阅读说明：本技术 移动破碎台车 (Movable crushing trolley ) 是由 张书来 李开路 张德龙 徐科 李连华 于 2021-07-23 设计创作，主要内容包括：移动破碎台车包括有前车架总成和后车架总成,前车架总成和后车架总成之间通过前后车架铰接机构相连接,其中前车架总成包括前车架底盘,前车架底盘的两侧均设有第一轮胎,第一轮胎的轮毂上安装有第一液压马达,在前车架底盘上安装有驾驶室,驾驶室前侧的前车架底盘上安装机座.本发明的积极效果在于：本发明避免了不必要的步骤,提高了螺栓预紧操作的效率,相比于传统的双支撑板及通轴连接方式,在车架高度相同的情况下具有更大的摆动幅度,无需额外提高车架的高度位置,且活动半轴的连接方式更加便于进行拆卸维修或更换操作。(The movable crushing trolley comprises a front frame assembly and a rear frame assembly, wherein the front frame assembly is connected with the rear frame assembly through a front frame hinge mechanism and a rear frame hinge mechanism, the front frame assembly comprises a front frame chassis, first tires are arranged on two sides of the front frame chassis, a first hydraulic motor is mounted on a hub of each first tire, a cab is mounted on the front frame chassis, and a base is mounted on the front frame chassis on the front side of the cab. The invention avoids unnecessary steps, improves the efficiency of bolt pre-tightening operation, has larger swing amplitude under the condition of the same frame height compared with the traditional double-supporting plate and through shaft connection mode, does not need to additionally improve the height position of the frame, and is more convenient for the disassembly, maintenance or replacement operation of the connection mode of the movable half shaft.)

1. A mobile crushing trolley is characterized in that: the front frame assembly is connected with the rear frame assembly through a front frame hinging mechanism and a rear frame assembly, wherein the front frame assembly comprises a front frame chassis (101), both sides of the front frame chassis (101) are respectively provided with a first tire (102), a wheel hub of the first tire (102) is provided with a first hydraulic motor (103), a cab (104) is arranged on the front frame chassis (101), a base (105) is arranged on the front frame chassis (101) at the front side of the cab (104), the base (105) is provided with a crusher arm (106) in a matching way, a first front frame plate (301) and a second front frame plate (302) are arranged at the rear side of the front frame chassis (101), the rear frame assembly comprises a rear frame chassis (201), a second tire (202) is arranged at the bottom of the rear frame chassis (201) through a swinging frame assembly, and a rear frame plate (303) is arranged at the front end of the rear frame chassis (201), the front and rear frame hinging mechanism comprises a first front frame plate (301), a second front frame plate (302) and a rear frame plate (303) which are arranged side by side, the rear frame plate (303) is positioned between the first front frame plate (301) and the second front frame plate (302), a hinging shaft (304) is arranged between the first front frame plate (301), the second front frame plate (302) and the rear frame plate (303), the upper end of the hinging shaft (304) penetrates out of the first front frame plate (301) and is connected with a top plate (305), the top plate (305) is fixedly arranged on the first front frame plate (301), a hinging sleeve (306) is fixedly arranged on the rear frame plate (303), a double-joint-angle bearing (307) is arranged in the hinging sleeve (306) in a matching manner, the double-joint-angle bearing (307) is sleeved on the periphery of the hinging shaft (304), and a positioning convex edge (308) matched with the double-joint-angle bearing (307) is arranged on the hinging shaft (304), the upper side and the lower side of the hinged sleeve (306) are respectively provided with a clamping plate (309), the two ends of the clamping plate (309) are respectively provided with a first through hole (310) which is vertically arranged, the two ends of the hinged sleeve (306) are respectively provided with a second through hole (311) which is communicated with the first through hole (310), connecting columns (312) are arranged in the first through holes (310) and the second through holes (311), the connecting columns (312) are respectively provided with a screw hole (313) at the two ends of the first through holes (310), the clamping plate (309) is internally provided with a gradually-reducing hole (314) which is horizontally arranged, the gradually-reducing hole (314) is communicated with the first through holes (310), fastening bolts (315) which are matched with the screw holes (313) are arranged in the gradually-reducing holes (314), inclined planes (316) which are matched with the gradually-reducing holes (314) are arranged at the heads of the fastening bolts (315), and the clamping plates (309) at the two sides can be tightly pressed against the hinged sleeve (306) when the fastening bolts (315) rotate to enter the screw holes (313), the lower end of the hinge shaft (304) penetrates through the second front frame plate (302) and is connected with a bottom plate (317), a ring sleeve (318) is installed on the periphery of the hinge shaft (304) between the bottom plate (317) and the double-joint angle bearing (307), two first transverse plates (402) which are arranged side by side are installed at the bottom of the rear frame chassis (201), a swing frame assembly is installed between the two first transverse plates (402), the swing frame assembly comprises two second transverse plates (403) which are arranged side by side, the second transverse plates (403) are arranged in parallel with the first transverse plates (402), vertical plates (404) which are vertically arranged are connected to two ends of each second transverse plate (403), a second tire (202) is installed on each vertical plate (404) through a second hydraulic motor (405), a rolling bearing (407) is installed in each second transverse plate (403), and bearing pressing plates (408) are arranged on the second transverse plates (403) at two ends of each rolling bearing (407), bearing pressure plate (408) is fixedly installed on second transverse plate (403) through first bolt (423), movable half shaft (409) is installed in rolling bearing (407) and bearing pressure plate (408) in a matched manner, half shaft seat (410) is arranged at one end of movable half shaft (409) close to first transverse plate (402), half shaft seat (410) is fixedly installed on first transverse plate (402) through second bolt (411), swing frame assembly can rotate relative to movable half shaft (409), double knuckle angle bearing (307) comprises two groups of inner rings (319) which are sleeved on hinge shaft (304) side by side, cushion blocks (320) are arranged between the two groups of inner rings (319), outer rings (321) are installed in a matched manner on the peripheries of each group of inner rings (319), annular grooves (322) are formed between the outer rings (321), oil filling holes (323) are formed in rear frame plate (303) and hinge sleeve (306), and the oil filling holes (323) are communicated with the annular grooves (322), corresponding to the positions of the second tires (202) on two sides of the swing frame assembly, vertically arranged guard plates (417) are arranged on a chassis (201) of the rear frame, a vertical shaft (418) is arranged on each guard plate (417), a roller (419) is sleeved on each vertical shaft (418), and when the swing frame assembly rotates, the second tires (202) can rotate to be close to the roller (419).

2. A mobile crushing trolley according to claim 1, characterized in that: inclined supporting devices are respectively installed at two side positions of a front frame chassis (101) and a rear frame chassis (201), each inclined supporting device comprises a connecting plate (110) arranged on the frame chassis, a first through groove (111) and a second through groove (112) which are vertically arranged are formed in each connecting plate (110), each first through groove (111) is located at the upper side position of each second through groove (112), a first chute (113) communicated with each other is formed in the upper end of each first through groove (111), a second chute (114) communicated with each other is formed in the upper end of each second through groove (112), each first chute (113) is longer than each second chute (114), guide rods (115) are installed in the through grooves and the chutes in a matched mode, one end of each guide rod (115) penetrates out of each connecting plate (110) and is provided with a limiting block (116), an outer barrel (117) is fixedly installed at the other end of each guide rod (115), and a supporting leg inner barrel (118) is installed in the supporting leg outer barrel (117) in a matched mode, install flexible hydro-cylinder (119) between supporting leg urceolus (117) and supporting leg inner tube (118), the cylinder body of flexible hydro-cylinder (119) links to each other with supporting leg urceolus (117), and the piston rod of flexible hydro-cylinder (119) links to each other with supporting leg inner tube (118), can drive supporting leg inner tube (118) and stretch out supporting leg urceolus (117) downwards when the piston rod of flexible hydro-cylinder (119) stretches out, supporting baseplate (121) are installed through articulated shaft (120) in the bottom of supporting leg inner tube (118), and wherein articulated shaft (120) and the pivot looks parallel arrangement of tire, and location nail (125) are installed to the bottom of supporting baseplate (121) front end.

3. A mobile crushing trolley according to claim 2, characterized in that: corresponding to the position of stopper (116), install reset spring (122) on connecting plate (110), inside telescopic link (123) that is equipped with of reset spring (122), reset spring (122) have the trend that promotes stopper (116) and fall to penetrating the groove bottom all the time.

4. A mobile crushing trolley according to claim 1, characterized in that: a limiting convex edge (422) is arranged on one movable half shaft (409), the diameter of the limiting convex edge (422) is larger than that of an inner ring of a rolling bearing (407), a half shaft limiting sleeve (412) is arranged at the end part of the movable half shaft (409) far away from the limiting convex edge (422), the diameter of the half shaft limiting sleeve (412) is larger than that of the inner ring of the rolling bearing (407), the rolling bearing (407) is located between the limiting convex edge (422) and the half shaft limiting sleeve (412), and the half shaft limiting sleeve (412) is fixedly installed at the end part of the movable half shaft (409) through a third bolt (413).

5. A mobile crushing trolley according to claim 1, characterized in that: the vertical shaft (418) and the roller (419) are arranged in the installation groove (420), the lower end of the vertical shaft (418) is hinged to the protection plate (417), the upper end of the vertical shaft (418) is connected with the protection plate (417) through a tension spring (421), and the tension spring (421) always enables the vertical shaft (418) and the roller (419) to be in a vertical state.

6. A mobile crushing trolley according to claim 1, characterized in that: the cab (104) is mounted on the front frame chassis (101) through a lifting and reclining device, the lifting and reclining device comprises a fixed plate (502) arranged on the front frame chassis (101), the upper end of the fixed plate (502) is hinged with a guide upright (503), a guide sleeve (504) is mounted on the guide upright (503) in a matching manner, a lifting oil cylinder (505) is mounted between the guide sleeve (504) and the guide upright (503), a piston rod of the lifting oil cylinder (505) can stretch and stretch to drive the guide sleeve (504) to vertically lift on the guide upright (503), a hinged seat (506) is arranged at the bottom of the guide upright (503), a rotating oil cylinder (507) is mounted between the hinged seat (506) and the lower end of the fixed plate (502), the piston rod of the rotating oil cylinder (507) can stretch to drive the guide upright (503) to rotate on the fixed plate (502), a bottom plate (508) is connected between the bottoms of the guide sleeves (504) on two sides, install driver's cabin (104) on bottom plate (508), driver's cabin (104) bottom is equipped with T type slider (510), set up on bottom plate (508) with T type slider (510) matched with T type spout (511), still install rack (512) on bottom plate (508), install third hydraulic motor (513) in driver's cabin (104), install on the output shaft of third hydraulic motor (513) and drive gear (514) with rack (512) looks meshing, third hydraulic motor (513) start-up can drive driver's cabin (104) lateral shifting on bottom plate (508), limit switch (524) are all installed to the both sides of bottom plate (508), and driver's cabin (104) are located between two limit switch (524), and limit switch (524) are connected with third hydraulic motor (513) through control scheme.

7. A mobile crushing trolley according to claim 1, characterized in that: the crusher comprises a front frame chassis (101), a rear frame chassis (106), a plurality of first connecting rings (724), a plurality of second connecting rings (726) matched with the first connecting rings (724), a plurality of elastic ropes (727) connected between the first connecting rings (724) and the second connecting rings (726), a bracket (728) is further arranged on the ring sleeve (723), a threaded hole (729) is formed in the top end of the bracket (728), an adjusting screw (730) is installed in the threaded hole (729) in a matched manner, and a sleeve (731) is connected to the bottom end of the adjusting screw (730), install elasticity gasbag (732) in sleeve (731), elasticity gasbag (732) are located zoom camera (725) upper portion, first fixed focus camera (721), second fixed focus camera (722) and zoom camera (725) all insert the display screen in driver's cabin (104) through the wire on, still install on rear frame chassis (201) a line ball section of thick bamboo (736), twine on line ball section of thick bamboo (736) and have control cable (737), control cable (737) lets in driver's cabin (104), install wire-wound motor (738) in the pivot of line ball section of thick bamboo (736).

8. A mobile crushing trolley according to claim 7, characterized in that: the control cable (737) is internally provided with a power line (739), a video line (740), a signal transmission line (741) and a signal output line (742).

Technical Field

The invention relates to the technical field of trolleys, in particular to a movable crushing trolley.

Background

The movable crushing trolley is mine equipment for tunnel and underground engineering construction, can be assembled with construction arms of different types to finish different construction purposes, and can adjust the position of the whole machine according to the construction progress. The existing crushing trolley consists of a front frame and a rear frame which are hinged with each other, a power device is generally installed on the front frame, the front frame pulls the rear frame to realize the movement of the whole crushing trolley, fastening bolts which are generally arranged at the hinged parts of the front frame and the rear frame are mostly vertically arranged, part of the fastening bolts can be shielded by the front frame and the rear frame after the installation is finished, if the hinged parts are twisted partially in the pulling and moving process, the fastening bolts are loosened due to shaking, the fastening bolts shielded by the front frame and the rear frame are required to be screwed, the hinged parts of the front frame and the rear frame can only be firstly disassembled, and then the fastening bolts are screwed, so that the operation is very complicated, and trouble is brought to the overhauling of the hinged parts of the front frame and the rear frame. In addition the frame bottom of being connected of rocking frame on the current platform truck generally sets up two backup pads, adopts a logical axle articulated between two backup pads and the rocking frame, but the rocking frame amplitude of oscillation of this kind of mode is limited, and the high position that will increase the frame usually increases the amplitude of oscillation of rocking frame, and the connected mode that adopts a logical axle still is not convenient for dismantle in addition, and the maintenance of giving later stage rocking frame is changed and has been brought the trouble.

Disclosure of Invention

The invention aims to provide a movable crushing trolley, wherein fastening bolts on a front frame hinging mechanism and a rear frame hinging mechanism are horizontally arranged and cannot be shielded by the front frame and the rear frame, the fastening bolts can be screwed without disassembling the hinging mechanisms, two ends of a swinging frame mechanism are hinged with a single-layer first transverse plate on the frame through half shafts, the swinging amplitude is larger, the disassembly is convenient, and the problems in the prior art are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a movable crushing trolley, which comprises a front frame assembly and a rear frame assembly, wherein the front frame assembly and the rear frame assembly are connected through a front frame hinge mechanism and a rear frame hinge mechanism, the front frame assembly comprises a front frame chassis, first tires are arranged on two sides of the front frame chassis, a first hydraulic motor is arranged on a wheel hub of each first tire, a cab is arranged on the front frame chassis, a base is arranged on the front frame chassis on the front side of the cab, a crusher arm is arranged on the base in a matched mode, a first front frame plate and a second front frame plate are arranged on the rear side of the front frame chassis, the rear frame assembly comprises a rear frame chassis, a second tire is arranged at the bottom of the rear frame chassis through a swing frame assembly, a rear frame plate is arranged at the front end of the rear frame chassis, the front frame hinge mechanism comprises a first front frame plate, a second front frame plate and a rear frame plate which are arranged side by side, the rear frame plate is positioned between the first front frame plate and the second front frame plate, a hinge shaft is arranged between the first front frame plate, the second front frame plate and the rear frame plate, the upper end of the hinge shaft penetrates out of the first front frame plate and is connected with a top plate, the top plate is fixedly arranged on the first front frame plate, a hinge sleeve is fixedly arranged on the rear frame plate, a double-joint-angle bearing is arranged in the hinge sleeve in a matched manner, the double-joint-angle bearing is sleeved on the periphery of the hinge shaft, a positioning convex edge matched with the double-joint-angle bearing is arranged on the hinge shaft, clamping plates are arranged on the upper side and the lower side of the hinge sleeve, first through holes which are vertically arranged are arranged at the positions of the two ends of each clamping plate, second through holes communicated with the first through holes are arranged at the two ends of each hinge sleeve, connecting columns are arranged in the first through holes and the second through holes, and screw holes are arranged at the positions of the two ends of each connecting column, which are positioned in the first through holes, the clamp plate is internally provided with a horizontally arranged tapered hole which is communicated with the first through hole, a fastening bolt matched with the screw hole is arranged in the tapered hole, the head part of the fastening bolt is provided with an inclined plane matched with the tapered hole, the fastening bolt can tightly press the hinge sleeve by the clamp plates on two sides when rotating to enter the screw hole, the lower end of the hinge shaft penetrates through the second front frame plate and is connected with a bottom plate, the periphery of the hinge shaft between the bottom plate and the double-joint angle bearing is provided with a ring sleeve, the bottom of the rear frame chassis is provided with two first transverse plates which are arranged side by side, a swing frame assembly is arranged between the two first transverse plates, the swing frame assembly comprises two second transverse plates which are arranged side by side, the second transverse plates are arranged in parallel with the first transverse plates, two ends of the second transverse plates are both connected with vertical plates, and each vertical plate is provided with a second tire through a second hydraulic motor, all install antifriction bearing in every second diaphragm, all be equipped with the bearing clamp plate on the second diaphragm at antifriction bearing both ends, the bearing clamp plate is through first bolt fixed mounting on the second diaphragm, antifriction bearing and bearing clamp plate fit in install movable semi-axis, and the one end that the activity semi-axis is close to first diaphragm is equipped with the semi-axis seat, the semi-axis seat passes through second bolt fixed mounting on first diaphragm, and the rocking arm assembly can rotate by relative activity semi-axis. The double-knuckle angle bearing comprises two groups of inner rings which are sleeved on the hinge shaft side by side, cushion blocks are arranged between the two groups of inner rings, the periphery of each group of inner rings is provided with an outer ring in a matched mode, a ring groove is formed between the outer rings, oil filling holes are formed in a rear frame plate and the hinge sleeve, and the oil filling holes are communicated with the ring groove. The rear frame chassis is provided with vertically arranged guard plates corresponding to the positions of second tires on two sides of the swing frame assembly, each guard plate is provided with a vertical shaft, each vertical shaft is sleeved with a roller, and when the swing frame assembly rotates, the second tires can rotate to be close to the rollers. The inclined support device comprises a connecting plate arranged on the frame chassis, a first through groove and a second through groove which are vertically arranged are arranged on the connecting plate, the first through groove is positioned at the upper side position of the second through groove, the upper end of the first through groove is provided with a first chute which is communicated, the upper end of the second through groove is provided with a second chute which is communicated, the first chute is longer than the second chute, guide rods are arranged in the through groove and the chute in a matching way, one end of each guide rod penetrates out of the connecting plate and is provided with a limiting block, the other end of each guide rod is fixedly provided with a support leg outer cylinder, a support leg inner cylinder is arranged in the support leg outer cylinder in a matching way, a telescopic oil cylinder is arranged between the support leg outer cylinder and the support leg inner cylinder, the cylinder body of the telescopic oil cylinder is connected with the support leg outer cylinder, and the piston rod of the telescopic oil cylinder is connected with the support leg inner cylinder, when the piston rod of the telescopic oil cylinder extends out, the piston rod can drive the inner supporting leg cylinder to extend out of the outer supporting leg cylinder, a supporting bottom plate is installed at the bottom of the inner supporting leg cylinder through an articulated shaft, the articulated shaft is arranged in parallel with a rotating shaft of a tire, and a positioning nail is installed at the bottom of the front end of the supporting bottom plate. Corresponding to the position of stopper, install reset spring on the connecting plate, the inside telescopic link that is equipped with of reset spring, reset spring has the trend that promotes the stopper all the time and fall to penetrating the groove bottom. A limit convex edge is arranged on one movable half shaft, the diameter of the limit convex edge is larger than that of the inner ring of the rolling bearing, a half shaft limiting sleeve is arranged at the end part of the movable half shaft far away from the limit convex edge, the diameter of the half shaft limiting sleeve is larger than that of the inner ring of the rolling bearing, the rolling bearing is positioned between the limit convex edge and the half shaft limiting sleeve, and the half shaft limiting sleeve is fixedly installed at the end part of the movable half shaft through a third bolt. The vertical shaft and the roller are located in the mounting groove, the lower end of the vertical shaft is hinged to the protective plate, the upper end of the vertical shaft is connected with the protective plate through a tension spring, and the tension spring always tends to enable the vertical shaft and the roller to be in a vertical state. The cab is installed on a front frame chassis through a lifting and reclining device, the lifting and reclining device comprises a fixed plate arranged on the front frame chassis, a guide vertical rod is hinged to the upper end of the fixed plate, a guide sleeve is installed on the guide vertical rod in a matched mode, a lifting oil cylinder is installed between the guide sleeve and the guide vertical rod, a piston rod of the lifting oil cylinder can stretch and drive the guide sleeve to vertically lift on the guide vertical rod, a hinged seat is arranged at the bottom of the guide vertical rod, a rotating oil cylinder is installed between the hinged seat and the lower end of the fixed plate, the piston rod of the rotating oil cylinder can stretch and drive the guide vertical rod to rotate on the fixed plate, a bottom plate is connected between the bottoms of the guide sleeves on two sides, the cab is installed on the bottom plate, a T-shaped sliding block is arranged at the bottom of the cab, a T-shaped sliding groove matched with the T-shaped sliding block is formed in the bottom plate, a rack is also installed on the bottom plate, and a third hydraulic motor is installed in the cab, the output shaft of the third hydraulic motor is provided with a driving gear meshed with the rack, the third hydraulic motor can be started to drive the cab to move transversely on the bottom plate, the two sides of the bottom plate are provided with limit switches, the cab is positioned between the two limit switches, and the limit switches are connected with the third hydraulic motor through a control circuit. The two sides of the front frame chassis are also provided with first fixed-focus cameras, the two sides and the rear end of the rear frame chassis are provided with second fixed-focus cameras, the crusher arm is provided with a zoom camera assembly, the zoom camera assembly comprises a ring sleeve fixed on the crusher arm, the inner peripheral wall of the ring sleeve is provided with a plurality of first connecting rings, the periphery of the zoom camera is provided with a second connecting ring matched with the first connecting ring, an elastic rope is connected between the first connecting ring and the second connecting ring, the ring sleeve is also provided with a support, the top end of the support is provided with a threaded hole, the threaded hole is matched with an adjusting screw rod, the bottom end of the adjusting screw rod is connected with a sleeve, an elastic air bag is arranged in the sleeve, the elastic air bag is positioned at the upper part of the zoom camera, and the first fixed-focus camera, the second fixed-focus camera and the zoom camera are all connected to a display screen in a cab through wires, and a wire rolling cylinder is also arranged on the chassis of the rear frame, a control cable is wound on the wire rolling cylinder and is led into the cab, and a winding motor is arranged on a rotating shaft of the wire rolling cylinder. The control cable comprises a power line, a video line, a signal human line and a signal output line.

The invention has the positive effects that: according to the movable crushing trolley, in the front and rear frame hinging mechanism arranged on the movable crushing trolley, the upper end and the lower end of a hinging sleeve between the front frame and the rear frame are provided with the clamping plates, the horizontally arranged fastening bolts are installed in the clamping plates, the hinging sleeve is internally provided with the connecting columns, the two ends of each connecting column are provided with the screw holes matched with the fastening bolts, the clamping plates on the two sides can tightly press the hinging sleeve when the fastening bolts rotate to enter the screw holes, the horizontally arranged fastening bolts cannot be shielded by the front and rear frames, when the fastening bolts are loosened in the traction movement process, the fastening bolts can be screwed without disassembling the hinging mechanism, unnecessary steps are avoided, the efficiency of bolt pre-tightening operation is improved, the normal use of the front and rear frame hinging mechanism is ensured, and the service life of the hinging mechanism can be effectively prolonged. In the rocker mechanism that sets up on it, install movable semi-axis on the first diaphragm, install in the second diaphragm of rocker mechanism with activity semi-axis matched with antifriction bearing to this realizes being connected of rocker mechanism and frame, compares in traditional double bracing board and logical axle connected mode, has bigger amplitude of oscillation under the same circumstances of frame height, need not additionally to improve the high position of frame, and the connected mode of activity semi-axis is convenient for more dismantle the maintenance or change the operation.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic three-dimensional view of the front frame assembly;

FIG. 4 is a front view of the front frame assembly;

FIG. 5 is a schematic three-dimensional structure of the rear frame assembly;

FIG. 6 is a front view of the rear frame assembly;

FIG. 7 is a schematic structural view of the front and rear frame hinge mechanisms;

FIG. 8 is an enlarged partial view of I of FIG. 7;

FIG. 9 is a sectional view taken along line A-A of FIG. 7;

FIG. 10 is a schematic three-dimensional view of the rocking beam mechanism on the rear frame chassis;

FIG. 11 is a schematic structural view of the rear frame chassis;

FIG. 12 is a schematic structural view of a rocking beam assembly;

FIG. 13 is a cross-sectional view of the connection between the rocker assembly and the rear frame pan;

FIG. 14 is an enlarged partial view of II of FIG. 13;

FIG. 15 is a schematic view of a roll on the cover sheet;

FIG. 16 is a schematic view of the construction of the tilting support means;

FIG. 17 is an enlarged view of the cross-sectional view taken along line B-B in FIG. 16;

FIG. 18 is a right side view of FIG. 16;

FIG. 19 is a left side view of FIG. 16;

FIG. 20 is a schematic view showing a state in which the tilting support means of FIG. 18 is tiltably supported;

FIG. 21 is a schematic three-dimensional view of a cab on a front frame assembly having lift functionality;

fig. 22 is a front view of a cab having a lift function;

FIG. 23 is an enlarged view in section taken along line C-C of FIG. 22;

FIG. 24 is a schematic view of the cab in a raised position;

FIG. 25 is an enlarged partial view of III of FIG. 22;

FIG. 26 is a schematic view of a zoom camera assembly;

FIG. 27 is a sectional view taken along line D-D of FIG. 26;

fig. 28 is a cross-sectional view of the control cable.

Detailed Description

The movable crushing trolley disclosed by the invention comprises a front frame assembly and a rear frame assembly which are connected through a front frame hinge mechanism and a rear frame hinge mechanism as shown in figures 1 and 2. As shown in fig. 3 and 4, the front frame assembly includes a front frame chassis 101, first tires 102 are disposed on both sides of the front frame chassis 101, a first hydraulic motor 103 is mounted on a hub of the first tire 102, and the first hydraulic motor 103 is activated to drive the first tire 102 to rotate so as to realize movement of the front frame assembly. A cab 104 is installed on the front frame chassis 101, a base 105 is installed on the front frame chassis 101 on the front side of the cab 104, a crusher arm 106 is installed on the base 105 in a matched mode, the crusher arm 106 can achieve the function of crushing stone walls in a roadway, and other different types of working arms can be installed on the base 105 to achieve different operation purposes. A first front frame plate 301 and a second front frame plate 302 are arranged on the rear side of the front frame chassis 101, so that the hinged connection of a rear frame or other matched carriage bodies can be realized.

The front end of the front frame chassis 101 is hinged with a push shovel 108, a driving oil cylinder 109 is further arranged between the push shovel 108 and the front frame chassis 101, a cylinder body of the driving oil cylinder 109 is hinged to the front frame chassis 101, a piston rod of the driving oil cylinder 109 is hinged to the push shovel 108, and the driving oil cylinder 109 can control the rotation angle of the push shovel 108 so as to achieve the function of stacking and cleaning falling stones on the front side of the vehicle body.

As shown in fig. 5 and 6, the rear frame assembly includes a rear frame chassis 201, a second tire 202 is mounted on the bottom of the rear frame chassis 201 through the swing frame assembly, a rear frame plate 303 is disposed at the front end of the rear frame chassis 201, and the rear frame plate 303 is hinged to the first front frame plate 301 and the second front frame plate 302. An engine 203 is installed on the rear frame chassis 201, an oil tank 204 is installed on the rear frame chassis 201 on the front side of the second tire 202, fuel is contained in the oil tank 204, the engine 203 provides power for the whole machine, and the second tire 202 rotates to realize the movement of the rear frame assembly. In order to effectively dissipate heat of the engine 203, a radiator 205 is mounted on the rear frame chassis 201 behind the second tire 202, and a water tank 206 is mounted on the rear end of the rear frame chassis 201.

As shown in fig. 7, 8 and 9, the front and rear frame hinge mechanism includes a first front frame plate 301, a second front frame plate 302 and a rear frame plate 303 arranged side by side, the rear frame plate 303 is located between the first front frame plate 301 and the second front frame plate 302, and a hinge shaft 304 is installed between the first front frame plate 301, the second front frame plate 302 and the rear frame plate 303 to realize the hinge connection of the front and rear frames.

The upper end of the hinge shaft 304 penetrates through the first front frame plate 301 and is connected with a top plate 305, the top plate 305 is fixedly installed on the first front frame plate 301, a hinge sleeve 306 is fixedly installed on the rear frame plate 303, a double-joint-angle bearing 307 is installed in the hinge sleeve 306 in a matched mode, the double-joint-angle bearing 307 is sleeved on the periphery of the hinge shaft 304, a positioning convex edge 308 matched with the double-joint-angle bearing 307 is arranged on the hinge shaft 304, and therefore the positioning installation of the double-joint-angle bearing 307 on the hinge shaft 304 is achieved.

The upper side and the lower side of the hinge sleeve 306 are both provided with clamping plates 309, the two ends of the clamping plate 309 are both provided with vertically arranged first through holes 310, the two ends of the hinge sleeve 306 are both provided with second through holes 311 communicated with the first through holes 310, the second through holes 311 are vertically arranged, connecting columns 312 are installed in the first through holes 310 and the second through holes 311, the connecting columns 312 are both provided with screw holes 313 at the two ends of the first through holes 310, the clamping plates 309 are internally provided with horizontally arranged tapered holes 314, the tapered holes 314 are communicated with the first through holes 310, fastening bolts 315 matched with the screw holes 313 are installed in the tapered holes 314, the heads of the fastening bolts 315 are provided with inclined planes 316 matched with the tapered holes 314, when the fastening bolts 315 rotate to enter the screw holes 313, the inclined planes 316 extrude the tapered holes 314, the clamping plates 309 at the two sides can compress the hinge sleeve 306 while the fastening bolts 315 connect the two ends of the connecting columns 312, thereby achieving the positioning and installation of the double knuckle bearing 307 on the hinge shaft 304. Due to the horizontal arrangement of the fastening bolts 315, if the hinged structure deflects to cause bolt looseness in the moving process of the crushing trolley, the front and rear frames cannot shield the fastening bolts 315, and the fastening bolts 315 can be screwed down without disassembling the hinged structure.

The lower end of the hinge shaft 304 penetrates through the second front frame plate 302 and is connected with a bottom plate 317, a ring sleeve 318 is arranged on the periphery of the hinge shaft 304 between the bottom plate 317 and the double knuckle bearing 307, so that the hinge sleeve 306 and clamping plates 309 on the upper side and the lower side of the hinge sleeve are positioned between the first front frame plate 301 and the second front frame plate 302, and the rear frame plate 303 can rotate relative to the first front frame plate 301 and the second front frame plate 302.

As shown in fig. 10 and 11, two first cross plates 402 are installed at the bottom of the rear frame chassis 201 side by side, and a rocking frame assembly is installed between the two first cross plates 402. As shown in fig. 12 and 13, the rocking frame assembly includes two second horizontal plates 403 arranged side by side, the second horizontal plates 403 are arranged in parallel with the first horizontal plate 402, two ends of the second horizontal plates 403 are connected with vertical plates 404 arranged vertically, and a second tire 202 is mounted on each vertical plate 404 through a second hydraulic motor 405.

A rolling bearing 407 is mounted in each second transverse plate 403, bearing pressing plates 408 are disposed on the second transverse plates 403 at two ends of the rolling bearing 407, the bearing pressing plates 408 are fixedly mounted on the second transverse plates 403 through first bolts 423, and the rolling bearing 407 is fixed in the second transverse plates 403 through the bearing pressing plates 408 at two sides. A movable half shaft 409 is arranged in the rolling bearing 407 and the bearing pressing plate 408 in a matched manner, a half shaft seat 410 is arranged at one end of the movable half shaft 409 close to the first transverse plate 402, the half shaft seat 410 is fixedly arranged on the first transverse plate 402 through a second bolt 411, the second transverse plate 403 can rotate relative to the movable half shaft 409, namely the swing frame assembly can rotate relative to the movable half shaft 409, the first transverse plate 402 or the rear frame chassis 201, and therefore the second tire 202 can swing and follow up the undulation of the road surface.

Further, in order to offset the horizontal reaction force during the operation of the crushing trolley, inclined supporting devices are respectively installed at two side positions of the front frame chassis 101 and the rear frame chassis 201, as shown in fig. 16, each inclined supporting device comprises a connecting plate 110 arranged on the frame chassis, as shown in fig. 17, a first through groove 111 and a second through groove 112 which are vertically arranged are formed in the connecting plate 110, the first through groove 111 is located at the upper side position of the second through groove 112, a first chute 113 which is communicated with each other is formed in the upper end of the first through groove 111, a second chute 114 which is communicated with each other is formed in the upper end of the second through groove 112, and the first chute 113 is longer than the second chute 114. The guide rod 115 is installed in the through groove and the chute in a matched mode, the guide rod 115 can move into the chute through the through groove, one end of the guide rod 115 penetrates through the connecting plate 110 and is provided with a limiting block 116, and the other end of the guide rod 115 is fixedly provided with a supporting leg outer cylinder 117. As shown in fig. 18, a support leg inner cylinder 118 is fittingly installed in the support leg outer cylinder 117, a telescopic cylinder 119 is installed between the support leg outer cylinder 117 and the support leg inner cylinder 118, a cylinder body of the telescopic cylinder 119 is connected to the support leg outer cylinder 117, a piston rod of the telescopic cylinder 119 is connected to the support leg inner cylinder 118, and when the piston rod of the telescopic cylinder 119 extends, the support leg inner cylinder 118 is driven to extend downward out of the support leg outer cylinder 117. The bottom of the support leg inner cylinder 118 is provided with a support bottom plate 121 through an articulated shaft 120, wherein the articulated shaft 120 is arranged in parallel with the rotating shaft of the tire, and the bottom of the front end of the support bottom plate 121 is provided with a positioning nail 125.

When the inclined supporting device does not play a supporting role, the supporting leg outer cylinder 117 and the guide rod 115 thereon are respectively positioned at the bottom positions of the first through groove 111 and the second through groove 112 under the action of gravity, when the support is required, the piston rod of the telescopic oil cylinder 119 extends out, firstly, the supporting leg inner cylinder 118 is lowered until the supporting bottom plate 121 is contacted with the ground, the positioning nail 125 realizes the relative positioning between the supporting bottom plate 121 and the ground, then, the piston rod of the telescopic oil cylinder 119 continues to extend out, the supporting leg inner cylinder 118 keeps stationary, the supporting leg outer cylinder 117 moves upwards until the guide rod 115 enters the chute from the through groove, and if the piston rod of the telescopic oil cylinder 119 continues to extend out, the inclined supporting device can realize the synchronous inclined rotation of the supporting leg inner cylinder 118 and the supporting leg outer cylinder 117 by taking the hinge shaft 120 as a circle center until the guide rod 115 moves to the end of the chute, and the inner cylinder 118 and the supporting leg outer cylinder 117 stop rotating, the inclined support shown in fig. 20 is formed, and the support base plate 121 is always kept from changing in angle and position during the above-described rotation. Wherein the first inclined groove 113 is longer than the second inclined groove 114, that is, the guide rod 115 moves in the first inclined groove 113 for a longer distance than in the second inclined groove 114, so as to realize the rotation around the hinge shaft 120. The supporting bottom plate 121 does not move relative to the ground, so that the crushed stones on the ground can be prevented from being turned in the operation process of the crushing trolley, the bonding strength between the inclined supporting device and the crushed stone ground is ensured, and effective support is provided.

Further, in order to ensure that the inclined supporting device in the state shown in fig. 20 can be smoothly reset when the supporting state is released, as shown in fig. 19, a return spring 122 is installed on the connecting plate 110 corresponding to the position of the limiting block 116, an expansion link 123 is arranged inside the return spring 122, and the return spring 122 always tends to push the limiting block 116 to fall to the bottom of the through groove.

Further, in order to reduce the friction between the outer cylinder 117 and the inner cylinder 118 when the outer cylinder 117 and the inner cylinder 118 move relative to each other and prolong the service life of the outer cylinder and the inner cylinder, a sliding wear plate 124 is installed between the outer cylinder 117 and the inner cylinder 118, wherein the sliding wear plate 124 can be used as a wearing part for maintenance or replacement.

Further, in order to facilitate the user to enter the cab 104, step steps 126 are installed on the front frame chassis 101 on both sides of the bottom of the cab 104. In order to prevent impurities such as mud from being splashed on the front frame chassis 101 and the components on the front frame chassis 101, the front frame chassis 101 on the upper side of the first tire 102 is provided with mud guards 127, and the mud guards 127 are positioned on two sides of the base 105.

Further, the double knuckle angle bearing 307 comprises two groups of inner rings 319 which are sleeved on the hinge shaft 304 side by side, a cushion block 320 is arranged between the two groups of inner rings 319, an outer ring 321 is arranged on the periphery of each group of inner rings 319 in a matched manner, an annular groove 322 is formed between the outer rings 321, oil injection holes 323 are formed in the rear frame plate 303 and the hinge sleeve 306, and the oil injection holes 323 are communicated with the annular groove 322. Compare in the oiling passageway of traditional offering on articulated shaft 304, the articulated shaft 304 of above-mentioned structure is solid axle, and intensity is higher, is difficult for disconnected axle.

Further, in order to prevent impurities such as dust from entering the dual knuckle bearing 307 and affecting the normal operation thereof, a dust seal 324 is installed between the clamp plate 309 and the hinge shaft 304.

Further, a first transition sleeve 325 is installed between the hinge shaft 304 and the first front frame plate 301, a second transition sleeve 326 is installed between the double knuckle bearing 307 and the hinge sleeve 306, and a third transition sleeve 327 is installed between the ring sleeve 318 and the second front frame plate 302. The transition sleeve is made of replaceable quenching and tempering materials, when the front rear frame and the hinged shaft 304 are abraded, the front frame and the rear frame do not need to be detached and then welded, only the transition sleeve at the corresponding position needs to be replaced, the transition sleeve is used as a quick-wear part, replacement operation is simple and convenient, and the service lives of the front frame and the hinged shaft 304 can be effectively prolonged.

Further, in order to prevent the movable half shafts 409 from moving transversely relative to the rolling bearing 407 in the direction shown in fig. 13, the movable half shafts 409 on two sides are ensured to be positioned on the rolling bearing 407 in the second transverse plate 403, as shown in fig. 14, one of the movable half shafts 409 is provided with a limiting convex edge 422, the diameter of the limiting convex edge 422 is larger than that of the inner ring of the rolling bearing 407, a half shaft limiting sleeve 412 is arranged at the end of the movable half shaft 409 far away from the limiting convex edge 422, the diameter of the half shaft limiting sleeve 412 is larger than that of the inner ring of the rolling bearing 407, the rolling bearing 407 is positioned between the limiting convex edge 422 and the half shaft limiting sleeve 412, and the half shaft limiting sleeve 412 is fixedly mounted at the end of the movable half shaft 409 through a third bolt 413. Due to the arrangement of the limiting convex edge 422 and the half-shaft limiting sleeve 412, the movable half shaft 409 cannot move transversely relative to the rolling bearing 407, and the whole swing frame mechanism is positioned between the two movable half shafts 409, so that the swing frame mechanism can be effectively prevented from moving back and forth in the walking process of the crushing trolley.

Furthermore, in order to prevent impurities such as dust from entering the rolling bearing 407, a sealing ring 414 is installed between the bearing pressure plate 408 and the movable half shaft 409, and the sealing ring 414 is located at two ends of the rolling bearing 407. Further, in order to facilitate the matching, installation and fixation between the half shaft seat 410 and the first horizontal plate 402, a positioning block 415 is disposed on the half shaft seat 410, and a positioning groove 416 matched with the positioning block 415 is disposed on the first horizontal plate 402.

Corresponding to the positions of the second tires 202 on two sides of the swing frame assembly, vertically arranged protective plates 417 are arranged on the rear frame chassis 201, the second tires 202 are likely to incline to contact and rub the protective plates 417 in the swing process of the swing frame mechanism, in order to avoid the situation, as shown in fig. 15, a vertical shaft 418 is arranged on each protective plate 417, a roller 419 is sleeved on the vertical shaft 418, when the swing frame assembly rotates, the second tires 202 can rotate to be close to the roller 419, and the roller 419 can rotate along with the second tires 202 to avoid the contact and rubbing of the second tires 202 and the protective plates 417.

Furthermore, in order to prevent the roller 419 from being squeezed due to the overlarge swing amplitude of the second tire 202, the protective plate 417 is provided with an installation groove 420, the vertical shaft 418 and the roller 419 are positioned in the installation groove 420, the lower end of the vertical shaft 418 is hinged to the protective plate 417, the upper end of the vertical shaft 418 is connected with the protective plate 417 through a tension spring 421, and the tension spring 421 always tends to enable the vertical shaft 418 and the roller 419 to be in a vertical state.

When the second tire 202 rotates and inclines along with the swing frame mechanism, the second tire 202 is preferentially contacted with the roller 419, when the rotation amplitude of the second tire 202 is increased, the vertical shaft 418 overcomes the elastic force of the tension spring 421 to generate a certain angle of deflection, so that the roller 419 moves along with the rotation amplitude of the second tire 202, the roller 419 is always positioned outside the guard plate 417 in the process so as to avoid friction between the second tire 202 and the guard plate 417, after the second tire 202 is restored to the horizontal state position, the vertical shaft 418 and the roller 419 can be restored to the vertical state under the action of the tension force of the tension spring 421, so that the friction between the second tire 202 and the rear frame chassis 201 is avoided, and the service life of the second tire 202 is prolonged. The arrangement of the rotatable vertical shaft 418 and the tension spring 421 can also effectively reduce the swing amplitude and swing frequency of the second tire 202 and the swing frame mechanism under inertia, that is, after the second tire 202 rotates to be close to the vertical shaft 418 and the tension spring 421 is stretched, the tension spring 421 can drive the vertical shaft 418 to apply a reverse rotation force to the swing frame when the tension spring 421 recovers, the second tires 202 on the two sides of the swing frame can repeatedly receive the reaction force applied by the tension spring 421 until the swing frame recovers to the horizontal position, and the swing of the swing frame mechanism and the rear frame chassis 201 under the inertia effect can be effectively reduced.

Further, as shown in fig. 21 and 22, the cab 104 is mounted on the front frame chassis 101 through a lifting and reclining device, the lifting and reclining device includes a fixed plate 502 disposed on the front frame chassis 101, a guide upright 503 is hinged to an upper end of the fixed plate 502, a guide sleeve 504 is mounted on the guide upright 503 in a matching manner, a lifting cylinder 505 is mounted between the guide sleeve 504 and the guide upright 503, and a piston rod of the lifting cylinder 505 can drive the guide sleeve 504 to vertically lift on the guide upright 503.

The bottom of the guide upright 503 is provided with a hinged seat 506, a rotary oil cylinder 507 is installed between the hinged seat 506 and the lower end of the fixed plate 502, and the piston rod of the rotary oil cylinder 507 can stretch and retract to drive the guide upright 503 to rotate on the fixed plate 502. A bottom plate 508 is connected between the bottoms of the two side guide sleeves 504, and the cab 104 is mounted on the bottom plate 508, wherein the width of the bottom plate 508 may be slightly smaller than that of the whole crushing trolley.

As shown in fig. 23, a T-shaped slider 510 is disposed at the bottom of the cab 104, a T-shaped chute 511 matching with the T-shaped slider 510 is disposed on the bottom plate 508, a rack 512 is further mounted on the bottom plate 508, a third hydraulic motor 513 is mounted in the cab 104, a driving gear 514 engaged with the rack 512 is mounted on an output shaft of the third hydraulic motor 513, and the third hydraulic motor 513 can be activated to drive the cab 104 to move laterally on the bottom plate 508. In order to prevent the cab 104 from moving on the bottom plate 508 excessively, limit switches 524 are mounted on both sides of the bottom plate 508, the cab 104 is located between the two limit switches 524, the limit switches 524 are connected with the third hydraulic motor 513 through control lines, and once the cab 104 is detected by the limit switches 524, an electric signal is generated to the third hydraulic motor 513 to stop rotating, so that the cab 104 is prevented from moving on the bottom plate 508 excessively.

When the working arm obstructs the view of the cab 104, the piston rod of the lift cylinder 505 extends out to drive the guide sleeve 504, the bottom plate 508 and the cab 104 thereon to lift in height, and the piston rod of the rotary cylinder 507 extends out to drive the guide upright rod 503, the guide sleeve 504, the bottom plate 508 and the cab 104 thereon to rotate clockwise in the direction shown in fig. 22 and tilt back, so as to change into the state shown in fig. 24, wherein the cab 104 can also move transversely under the control of the third hydraulic motor 513 to adjust the position of the cab 104 as required, thereby avoiding the condition that the working arm obstructs the view of the cab 104.

Further, in order to realize the hinged installation between the guiding upright 503 and the fixed plate 502, the upper end of the fixed plate 502 is provided with a first rotating shaft 515, the guiding upright 503 is provided with a rotating seat 516 matched with the first rotating shaft 515, the guide sleeve 504 is provided with an oil cylinder seat 517, and a lifting oil cylinder 505 is hinged between the rotating seat 516 and the oil cylinder seat 517. The guiding upright 503 can rotate around the first rotating shaft 515 as a center relative to the fixed plate 502, and the piston rod of the lifting cylinder 505 between the rotating base 516 and the cylinder base 517 can extend and contract to synchronously drive the guiding sleeve 504 to vertically move on the guiding upright 503.

The guide vertical rod 503 can rotate relative to the fixed plate 502 by taking the first rotating shaft 515 as a center, the piston rod of the lifting oil cylinder 505 between the rotating seat 516 and the oil cylinder seat 517 can synchronously drive the guide sleeve 504 to vertically move on the guide vertical rod 503, as shown in fig. 25, the hinge seat 506 is provided with the cushion block 518, the cushion block 518 is provided with the cushion pad 519, the cushion pad 519 and the cushion block 518 are both positioned at the lower side of the bottom plate 508, the cushion pad 519 is arranged to effectively avoid the hard contact between the bottom plate 508 and the hinge seat 506, and the service life of the bottom plate 508 and the hinge seat 506 is prolonged to a certain extent.

Further, in order to prevent that driver's cabin 104 from excessively bending backward unbalanced, the cylinder body that rotates hydro-cylinder 507 articulates on fixed plate 502 through second pivot 520, and second pivot 520 periphery cover is equipped with backward bending limiting plate 521, install limit bolt 522 on articulated seat 506, set up the rectangular groove 523 with limit bolt 522 matched with on the backward bending limiting plate 521, when rotating hydro-cylinder 507 piston rod and stretching out to drive articulated seat 506 and rotate, the one end that second pivot 520 was kept away from to the long groove 523 that limit bolt 522 on the articulated seat 506 removed stops rotating promptly, prevents the excessive backward bending rotation of driver's cabin 104.

The two sides of the front frame chassis 101 are also provided with a first fixed-focus camera 721, the two sides and the rear end of the rear frame chassis 201 are provided with a second fixed-focus camera 722, the crusher arm 106 is provided with a zoom camera assembly, the first fixed-focus camera 721, the second fixed-focus camera 722 and the zoom camera 725 are all connected to the display screen in the cab 104 through wires to form an image system of the whole machine, the images shot by the cameras are integrated on the display screen through the existing imaging software, the whole view is wide, and 360-degree dead angles are avoided.

The zoom camera assembly is arranged on the movable crusher arm 106, can zoom according to different positions of the crusher arm 106 to realize accurate image capture of a stone wall on the front side of the whole crusher, converts high-frequency vibration of the crusher arm 106 into low-frequency vibration of the zoom camera assembly, does not damage a zoom motor due to the low-frequency vibration, and is not influenced by vibration of the crusher arm 106, as shown in fig. 26 and 27, the zoom camera assembly comprises a ring sleeve 723 fixed on the crusher arm 106, a plurality of first connecting rings 724 are arranged on the inner peripheral wall of the ring sleeve 723, a second connecting ring 726 matched with the first connecting rings 724 is arranged on the periphery of the zoom camera 725, an elastic rope 727 is connected between the first connecting ring 724 and the second connecting ring 726, and the zoom camera 725 is connected with the ring sleeve 723 through the elastic ropes 727 around the zoom camera. The vibration of the breaker arm 106 is transmitted to the zoom camera 725 through the elastic rope 727, so that the vibration amplitude of the zoom camera 725 is reduced, and the function of protecting the zoom camera 725 is achieved.

The ring sleeve 723 is further provided with a support 728, the top end of the support 728 is provided with a threaded hole 729, an adjusting screw 730 is installed in the threaded hole 729 in a matched mode, the bottom end of the adjusting screw 730 is connected with a sleeve 731, an elastic air bag 732 is installed in the sleeve 731, and the elastic air bag 732 is located on the upper portion of the zoom camera 725. The elastic air bag 732 can be used as a flexible limit for the zoom camera 725 to buffer vibration, and the adjusting screw 730 can be rotated as required to adjust the position of the elastic air bag 732, so as to change the elastic force of the elastic rope 727 in a connection state, thereby ensuring the stability of the zoom camera 725 and facilitating the acquisition of images by a more accurate system.

For realizing remote control, still install a roll line section of thick bamboo 736 on rear frame chassis 201, it has control cable 737 to roll the winding on a line section of thick bamboo 736, control cable 737 lets in driver's cabin 104, install wire wound motor 738 in the pivot of a roll line section of thick bamboo 736, wire wound motor 738 starts the receiving and releasing that can adjust control cable 737, the controlgear who is connected with control cable 737 in the outside mountable in tunnel, operating personnel operates controlgear in the tunnel outside, realize the remote control to broken platform truck in the tunnel, receiving and releasing of control cable 737 then can be adjusted according to the real-time position of broken platform truck, with the normal UNICOM of assurance controlgear and broken platform truck.

Further, as shown in fig. 28, the control cable 737 includes a power line 739, a video line 740, a signal input line 741 and a signal output line 742, wherein the power line 739 is connected to the traveling device and each electric device, the signal input line 741 and the signal output line 742 are connected to each electric device, and the video line 740 is connected to each camera to implement the remote control function.

The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.