阅读说明：本技术 一种随车梯子固定架 (Vehicle-mounted ladder fixing frame ) 是由 朱士贵 刘宏生 赵海 厉艳丽 于 2019-11-14 设计创作，主要内容包括：本发明涉及专用汽车车载运输支架技术领域,公开了一种随车梯子固定架,包括底固定架总成,所述底固定架总成的两端横梁一测开设有孔,其中一个所述孔活动连接后驱动轴总成,另外一个所述孔内活动连接有前驱动轴,所述底固定架总成的两端横梁通过销轴活动连接有摆动臂B,所述底固定架总成的两端横梁通过后驱动轴总成和前驱动轴通过螺栓与摆动臂A固定连接。本发明效果：在沿弧形路径运动中,会受到夹紧挡柱的阻挡,摆动夹紧柱带动夹紧扣受阻挡铰接转动,相靠近前夹紧挂架靠拢,两加紧扣回合,夹紧长梯,随车携带、固定牢固、工作人员无需借助增高工具就可完成长梯固定的、操作方便。(The invention relates to the technical field of special vehicle-mounted transportation supports, and discloses a vehicle-mounted ladder fixing frame which comprises a bottom fixing frame assembly, wherein holes are formed in one side of cross beams at two ends of the bottom fixing frame assembly, one hole is movably connected with a rear driving shaft assembly, the other hole is movably connected with a front driving shaft, cross beams at two ends of the bottom fixing frame assembly are movably connected with a swing arm B through a pin shaft, and cross beams at two ends of the bottom fixing frame assembly are fixedly connected with the swing arm A through a rear driving shaft assembly and the front driving shaft through bolts. The invention has the following effects: in the motion along arc route, can receive the blocking that presss from both sides tight bumping post, swing clamp tight post drives to press from both sides tight knot and receive to block articulated rotation, and the tight stores pylon of clamp draws close before being close to mutually, and two steps up the knot round, press from both sides tight long ladder, and the vehicle-mounted carries, fixed firm, staff need not just can accomplish fixed, convenient operation of long ladder with the help of increasing the instrument.)

1. The utility model provides a vehicle-mounted ladder mount, includes end mount assembly (1), its characterized in that: round holes are formed in the cross beams at the two ends of the bottom fixing frame assembly (1), one of the round holes is movably connected with a rear driving shaft assembly (5), the other round hole is movably connected with a front driving shaft (7), the cross beams at the two ends of the bottom fixing frame assembly (1) are movably connected with a swing arm A (2) through a pin shaft (10), the cross beams at the two ends of the bottom fixing frame assembly (1) are fixedly connected with a swing arm A (3) through a rear driving shaft assembly (5) and the front driving shaft (7) through bolts (11), the swing arm A (2) and the swing arm B (3) are movably connected with a roll-over stand assembly (4) through a pin shaft (10), the rear driving shaft assembly (5) and the front driving shaft (7) are fixedly connected with a middle driving shaft (6) through bolts (11), and a hydraulic buffer damper (8) is movably connected to one side of the cross beam of the bottom fixing frame assembly (1) and the rear driving shaft assembly (5), a crank (9) is inserted into the rear driving shaft assembly (5).

2. An onboard ladder mount as claimed in claim 1, wherein: the bottom fixing frame assembly (1) comprises a cross beam (101), a circular hole is formed in one side of the cross beam (101), a shaft sleeve (102) is arranged inside the circular hole, and two bottom ends of the cross beam (101) are fixedly connected with a connecting piece (104) through inner hexagonal flat round head screws (109).

3. An onboard ladder mount as claimed in claim 2, wherein: the bottom of connecting piece (104) is through hexagonal flange face bolt (108) fixedly connected with longeron (103), flat button head screw (109) fixedly connected with of one side hexagon socket head of crossbeam (101) presss from both sides tight bumping post (105), there is leading wheel (106) on the top of pressing from both sides tight bumping post (105) through bolt (11) swing joint.

4. An onboard ladder mount as claimed in claim 1, wherein: the roll-over stand assembly (4) comprises a roll-over beam (401), the upper surface of the roll-over beam (401) is provided with a strip-shaped slotted hole, the top end of the turnover beam (401) is fixedly connected with a front clamping hanging frame (402) through a reinforcing semi-circular head square neck bolt (407), the front clamping hanging rack (402) can be movably adjusted in the direction of a long strip-shaped slotted hole formed in the upper surface of the turnover beam (401), the swing clamping column (403) and the torsion spring (404) are movably connected on one side shaft of the turnover beam (401) through an inner hexagonal round head screw (408), the torsion spring (404) is arranged in the swing clamping column (403), one end of the torsion spring (404) is clamped on the inner wall of the swing clamping column (403), the other end of the torsion spring (404) is fixed on the side wall of the turnover beam (401) through a slotted spherical cylindrical head shaft head screw (409), the torsion spring (404) can cause the swing clamping column (403) to swing outwards.

5. An onboard ladder mount as claimed in claim 4, wherein: the swing presss from both sides tight post (403) and has seted up rectangular shape slotted hole, the axle outside of pressing from both sides tight knot (405) one end has cup jointed cylindrical helical compression spring (406), press from both sides tight knot (405) and arrange swing through hexagonal flange face bolt (410) fixed connection and press from both sides tight post (403) inside, press from both sides tight knot (405) and can set up rectangular shape slotted hole orientation activity regulation in swing tight post (403), cylindrical helical compression spring (406) card is pressed from both sides between the tight post (403) inner wall of axle and swing of pressing from both sides tight knot (405) one end.

6. An onboard ladder mount as claimed in claim 1, wherein: the rear driving shaft assembly (5) comprises a rear driving shaft (501), and one end of the rear driving shaft (501) is movably connected with the crank movable joint (502) through a hexagonal flange face bearing face toothed bolt (504).

7. An onboard ladder mount as claimed in claim 6, wherein: an arc-shaped groove is formed in one side of the crank movable joint (502), a slotted headless shaft position screw (503) is inserted into the arc-shaped groove in an inserted mode, the slotted headless shaft position screw (503) is fixed to the rear driving shaft (501), and the crank movable joint (502) can swing within the range that the arc-shaped groove is formed in one side of the crank movable joint.

8. An onboard ladder mount as claimed in claim 4, wherein: one end of the inner hexagonal round-head screw (408) sequentially penetrates through the overturning beam (401), the swinging clamping column (403), the torsion spring (404) and the nut from right to left to be in threaded connection.

Technical Field

The invention relates to the technical field of special vehicle-mounted transportation supports, in particular to a vehicle-mounted ladder fixing frame.

Background

In the field of application of emergency repair and rescue of field equipment, parts or assemblies at higher positions are required to be maintained, replaced, rescued and the like by means of ladders, so that tools such as stools, ladders and the like are required to be equipped on special rescue automobiles. But the long ladder is than occupation space, and the space that generally can't carry or occupy after the loading is too big, carries fairly inconveniently to rescue the car height is higher, prior art is to trample tools such as stool with the long ladder through operating personnel and bind the long ladder and fix at the roof, trample tools such as stool again during the use and unbind the long ladder, and the operation is fairly complicated, and the manual work of long ladder is binded fixedly insecurely, influences the security of traveling of rescue car.

Therefore, it is necessary to design a convertible vehicle-mounted ladder fixing frame which is portable with a vehicle, firm in fixing, convenient to operate and capable of fixing a long ladder by workers without the help of other heightening tools.

Disclosure of Invention

The invention aims to provide a vehicle-mounted ladder fixing frame which has the effects of carrying along with a vehicle, firm fixing, capability of fixing a long ladder without other heightening tools by a worker and convenience in operation.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a vehicle-mounted ladder mount, includes end mount assembly, the round hole has been seted up to first survey of the both ends crossbeam of end mount assembly, one of them round hole swing joint back drive shaft assembly, another one swing joint front drive shaft in the round hole, end mount assembly both ends crossbeam has swing arm A through round pin axle swing joint, the both ends crossbeam of end mount assembly passes through back drive shaft assembly and front drive shaft and passes through bolt and swing arm A fixed connection, swing arm A, swing arm B have the roll-over stand assembly through round pin axle swing joint, back drive shaft assembly and front drive shaft pass through bolt and well drive shaft fixed connection, hydraulic cushion damper passes through bolt swing joint in the crossbeam and back drive shaft assembly one side of end mount assembly, the inside of back drive shaft assembly is pegged graft and is had the crank.

By adopting the technical scheme, when the long ladder is taken down from the roof, the crank is inserted into the rear driving shaft assembly, the long ladder can be taken down from the roof by a rescuer shaking the crank, the long ladder is carried along with the vehicle, the long ladder is firmly fixed, the worker can finish the fixation of the long ladder without other heightening tools, the operation is convenient, the resistance of the hydraulic buffer damper is changed along with the running speed, can obviously play a role of buffering the speed of the connected mechanism, is mainly used for playing a role of buffering, and has the biggest characteristic that the force of a spring changes along with the change of the movement speed, the resistance of the spring increases significantly during the relatively fast period of time when the point of action of the force guiding the gas spring moves, when the point of action moves slowly, resistance is almost not existed, and the hydraulic buffer damper is connected with the rear driving shaft assembly, so that the function of buffering the rear driving shaft assembly can be achieved.

The invention is further provided with: the bottom fixing frame assembly comprises a cross beam, a circular hole is formed in one side of the cross beam, a shaft sleeve is arranged inside the circular hole, and the two bottom ends of the cross beam are fixedly connected with the connecting piece through hexagon socket head flat round head screws.

Through adopting above-mentioned technical scheme, the setting of end mount can be so that fix this device at the top of rescue car through bolt and screw, and the setting of connecting piece can play the effect of being convenient for connect and fixing, and the axle sleeve can reduce the wearing and tearing of axle and seat, wears to the certain degree when axle sleeve or bush and changes, can practice thrift like this because of the cost of changing axle or seat to can play the effect that prolongs an axle life.

The invention is further provided with: the bottom of connecting piece is through hexagonal flange face bolt fixedly connected with longeron, the flat button head screw fixedly connected with of one side hexagon in the crossbeam presss from both sides tight bumping post, the top of pressing from both sides tight bumping post has the leading wheel through bolt swing joint.

Through adopting above-mentioned technical scheme, the swing span assembly can receive the blocking that presss from both sides tight bumping post in the motion along arc route, and swing presss from both sides tight post and drives to press from both sides tight knot and receive to block articulated rotation, and the tight stores pylon of clamp draws close before being close to mutually, and two steps up the knot round, press from both sides tight long ladder, and the leading wheel is convenient for lead swing and presss from both sides tight post rotation, improves swing and presss from both sides tight post pivoted smoothness nature.

The invention is further provided with: the roll-over stand assembly includes the upset roof beam, rectangular shape slotted hole has been seted up to upset roof beam upper surface, the top of upset roof beam presss from both sides tight stores pylon before strengthening half round head square neck bolt fixedly connected with, preceding presss from both sides tight stores pylon can be seted up rectangular shape slotted hole direction swing joint at the upset roof beam upper surface, swing clamp post, torsion spring pass through hexagon socket head cap screw swing joint on the one side axle of upset roof beam, torsion spring sets up inside swing clamp post, torsion spring one end card is on swing clamp post inner wall, and the other end is fixed in on the upset roof beam lateral wall through fluting sphere cylinder head spindle nose screw, torsion spring can make the swing clamp post outwards swing.

Through adopting above-mentioned technical scheme, hang the long ladder on preceding tight stores pylon of clamp, rotate the crank, preceding tight stores pylon upset of clamp, with the long ladder extend the arc route and send the roof, torsion spring can be when the long ladder of taking from the roof, the swing arm rotates, presss from both sides tight knot and can reset to open the state, is convenient for follow-up long ladder hang in the preceding tight stores pylon of clamp once more.

The invention is further provided with: the swing clamping column is provided with a long strip-shaped slotted hole, a cylindrical spiral compression spring is sleeved outside the shaft at one end of the clamping buckle, the clamping buckle is arranged inside the swing clamping column through hexagonal flange face bolt fixed connection, the clamping buckle can be movably adjusted in the direction of the long strip-shaped slotted hole in the swing clamping column, and the cylindrical spiral compression spring is clamped between the shaft at one end of the clamping buckle and the inner wall of the swing clamping column.

Through adopting above-mentioned technical scheme, the roll-over stand assembly can extend the arc motion to the roof from automobile body side with long ladder, and operating personnel need not contact other instruments that increase, and convenient operation receives the linkage effect that presss from both sides the stopping of tight bumping post in sending the arc route of roof to long ladder, presss from both sides tight knot and receives to block and presss from both sides tight long ladder, consequently has the linkage effect.

The invention is further provided with: the rear driving shaft assembly comprises a rear driving shaft, and one end of the rear driving shaft is movably connected with the crank through a hexagonal flange face bearing face toothed bolt.

Through adopting above-mentioned technical scheme, back drive shaft assembly plays the effect of maintaining this device stability and transmission in this device, and the hexagonal flange face bears the face and takes the tooth bolt to have locking effect not hard up, and joint strength is high.

The invention is further provided with: an arc-shaped groove is formed in one side of the crank movable joint, a slotted headless shaft position screw is inserted into the arc-shaped groove in an inserted mode and fixed to the rear driving shaft, and the crank movable joint can swing within the range of the arc-shaped groove formed in one side of the crank movable joint.

By adopting the technical scheme, the slotted headless shaft position screw plays a role in fixing and connecting the crank movable joint.

The invention is further provided with: one end of the inner hexagonal round-head screw sequentially penetrates through the overturning beam, the swinging clamping column, the torsion spring and the nut in a threaded connection mode from right to left.

Through adopting above-mentioned technical scheme, hexagon socket head cap screw plays and carries out the effect fixed with upset roof beam, swing clamp post, torsion spring, with the outside of hexagon socket head cap screw including nut threaded connection to can prevent that upset roof beam, swing clamp post, torsion spring from coming off from hexagon socket head cap screw outside.

The invention has the beneficial effects that:

(1) the turning frame assembly can move the long ladder to the roof along an arc shape from the side surface of the vehicle body when turning, an operator does not need to contact other heightening tools, the operation is convenient, the long ladder is conveyed to the arc-shaped path of the roof and is blocked by the clamping stop post to be in linkage action, the clamping buckle is blocked to clamp the long ladder, so the turning frame assembly has the linkage action, the swinging frame assembly is blocked by the clamping stop post when moving along the arc-shaped path, the swinging clamping post drives the clamping buckle to be blocked and hinged to rotate, the front clamping rack is closed, the two clamping buckles turn round to clamp the long ladder, the long ladder is carried along with the vehicle and is firmly fixed, and the operator can finish the fixation of the long ladder without other heightening tools and the operation is convenient.

(2) The torsion spring is arranged on the clamping stop column on the roll-over stand, so that when the long ladder is taken from the roof, the swing arm rotates, and the clamping buckle can be reset to an open state, thereby facilitating the subsequent long ladder to be hung on the front clamping hanging frame again.

(3) A cylindrical spiral compression spring is further arranged between the swing clamping column and the clamping buckle, the clamping buckle can be driven to clamp the long ladder, certain elastic buffer allowance exists, and the swing movement buffer during swinging and bumping in the driving process of the rescue vehicle is facilitated.

(4) The upper end of the clamping bumping post is also provided with the guide wheel, so that the swinging clamping post can be conveniently guided to rotate, and the rotating smoothness of the swinging clamping post is improved.

(5) The movable parts of the swing arm A and the swing arm B are connected by a pin shaft, and other parts are connected by bolts, so that the swing arm can rotate conveniently.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention in an unfolded state;

FIG. 2 is a schematic view of the present invention in a retracted state;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the overall exploded structure of the bottom mounting bracket of the present invention;

FIG. 5 is a schematic view of the overall decomposition structure of the roll-over stand of the present invention;

FIG. 6 is a schematic view of the overall rear drive axle assembly of the present invention;

FIG. 7 is a side view schematic illustration of the rear drive axle assembly of the present invention;

FIG. 8 is a schematic side view of the movable crank handle of the present invention;

FIG. 9 is a schematic view of the bottom bracket assembly of the present invention.

In the figure, 1, a bottom fixing frame assembly; 101. a cross beam; 102. a shaft sleeve; 103. a stringer; 104. a connecting member; 105. clamping the bumping post; 106. a guide wheel; 107. a damper fixing shaft; 108. hexagonal flange face bolts; 109. a hexagon socket flat round head screw; 2. a swing arm A; 3. a swing arm B; 4. a roll-over stand assembly; 401. turning over the beam; 402. a front clamping hanger; 403. Swinging the clamping post; 404. a torsion spring; 405. clamping and fastening; 406. a cylindrical helical compression spring; 407. reinforcing the semi-circular head square neck bolt; 408. a hexagon socket head cap screw; 409. slotted spherical cylindrical head spindle nose screws; 410. hexagonal flange face bolts; 5. a rear drive shaft assembly; 501. a rear drive shaft; 502. the crank is movably connected; 503. slotting headless axial screws; 504. the bearing surface of the hexagonal flange surface is provided with a toothed bolt; 6. a middle drive shaft; 7. a front drive shaft; 8. a hydraulic cushion damper; 9. A crank; 10. a pin shaft; 11. and (4) bolts.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1-9, a vehicle-mounted ladder fixing frame comprises a bottom fixing frame assembly 1, wherein the bottom fixing frame assembly 1 comprises a cross beam 101, a circular hole is formed in one side of the cross beam 101, a shaft sleeve 102 is arranged inside the circular hole, two bottom ends of the bottom cross beam 101 are fixedly connected with a connecting piece 104 through hexagon socket head flat round head screws 109, the bottom end of the connecting piece 104 is fixedly connected with a longitudinal beam 103 through a hexagon flange face bolt 108, one side of the cross beam 101 is fixedly connected with a clamping stop pillar 105 through the hexagon socket head flat round head screws 109, the top end of the clamping stop pillar 105 is movably connected with a guide wheel 106 through a bolt 11, round holes are formed in two end cross beams of the bottom fixing frame assembly 1, one round hole is movably connected with a rear driving shaft assembly 5, the other round hole is movably connected with a front driving shaft 7, two end cross beams of the bottom fixing frame assembly 1 are movably connected with a swing arm a2 through a pin shaft 10 The swing arm A3 is fixedly connected, the swing arm A2 and the swing arm B3 are movably connected with a roll-over stand assembly 4 through a pin shaft 10, the roll-over stand assembly 4 comprises a roll-over beam 401, the upper surface of the roll-over beam 401 is provided with a long strip-shaped slotted hole, the top end of the roll-over beam 401 is fixedly connected with a front clamping hanger 402 through a reinforcing half-round head square neck bolt 407, the front clamping hanger 402 can be movably adjusted in the direction of the long strip-shaped slotted hole on the upper surface of the roll-over beam 401, a swing clamping column 403 and a torsion spring 404 are movably connected on one side shaft of the roll-over beam 401 through an inner hexagonal round head bolt 408, the torsion spring 404 is arranged inside the swing clamping column 403, one end of the torsion spring 404 is clamped on the inner wall of the swing clamping column 403, the other end of the torsion spring is fixed on the side wall of the roll, a cylindrical helical compression spring 406 is sleeved outside a shaft at one end of a clamping buckle 405, the clamping buckle 405 is fixedly connected and arranged inside a swinging clamping column 403 through a hexagonal flange face bolt 410, the clamping buckle 405 can be movably adjusted in the direction of a long strip-shaped slotted hole formed in the swinging clamping column 403, the cylindrical helical compression spring 406 is clamped between the shaft at one end of the clamping buckle 405 and the inner wall of the swinging clamping column 403, one end of an inner hexagonal round-head screw 408 sequentially penetrates through a turning beam 401, the swinging clamping column 403 and a torsion spring 404 from right to left to be in threaded connection with a nut, a rear driving shaft assembly 5 and a front driving shaft 7 are fixedly connected with a middle driving shaft 6 through bolts 11, the rear driving shaft assembly 5 comprises a rear driving shaft 501, one end of the rear driving shaft 501 is movably connected with a crank movable joint 502 through a hexagonal flange face bearing face toothed bolt 504, an arc-shaped groove is formed in one side of the crank movable joint 502, a slotted headless screw 503, slotted headless axle position screw 503 is fixed on rear drive shaft 501, crank swing joint 502 can be swung in the scope of having the arc wall in one side, hydraulic cushion damper 8 passes through bolt 11 swing joint in the crossbeam of end mount assembly 1 and rear drive shaft assembly 5 one side, and the outside at rear drive shaft assembly 5 is cup jointed to one end of hydraulic cushion damper 8, and the inside of rear drive shaft assembly 5 is pegged graft and is had crank 9.

As shown in fig. 1 and fig. 2, the crank is rotated, the onboard ladder fixing frame is changed into the form of fig. 2 from fig. 1, the long ladder is hung on the front clamping hanging frame, the crank is rotated, the front clamping hanging frame is turned over, the long ladder is conveyed to the roof along an arc-shaped path, the swing frame assembly can be blocked by the clamping stop posts in the movement along the arc-shaped path, the swing clamping posts drive the clamping buckles to be blocked and hinged to rotate, the swing frame assembly is close to the front clamping hanging frame to be closed, and the two clamping buckles turn to clamp the long ladder.