CFG pile cutting machine
阅读说明:本技术 一种cfg桩截桩机 (CFG pile cutting machine ) 是由 陈天宁 李斌 彭晓东 其他发明人请求不公开姓名 于 2020-08-25 设计创作,主要内容包括:本发明公开了一种CFG桩截桩机,涉及截桩技术领域,包括机架,机架包括底架,底架呈环形结构,其外周固定设置有多根与环形的平面垂直设置的连接板;连接板的顶部与顶架固定连接;顶架的中心设有定位及高度调节装置;连接板上可伸缩设置有抱紧调节装置;机架内可转动设置总体回转装置;总体回转装置上面可滑动设置有回转切割装置;总体回转装置上面设置有切割张紧机构;切割张紧机构与回转切割装置相抵接触。使用时回转切割装置对下部的CFG桩进行切割,总体回转装置带动回转切割装置进行缓慢转动,由于回转切割装置设置有多个,可以从不同角度同时对CFG桩进行切割,这样就可以大大提高工作效率。(The invention discloses a CFG pile cutting machine, which relates to the technical field of pile cutting and comprises a rack, wherein the rack comprises an underframe, the underframe is in an annular structure, and a plurality of connecting plates which are vertical to an annular plane are fixedly arranged on the periphery of the underframe; the top of the connecting plate is fixedly connected with the top frame; a positioning and height adjusting device is arranged in the center of the top frame; the connecting plate is telescopically provided with a holding adjusting device; the frame is rotatably provided with a general rotating device; a rotary cutting device is slidably arranged on the overall rotary device; a cutting tensioning mechanism is arranged on the overall rotating device; the cutting tensioning mechanism is contacted with the rotary cutting device in a propping mode. The CFG stake of gyration cutting device to the lower part cuts during the use, and the whole slewer drives gyration cutting device and slowly rotates, because gyration cutting device is provided with a plurality ofly, can follow different angles and cut the CFG stake simultaneously, just so can improve work efficiency greatly.)
1. A CFG pile cutting machine comprises a rack (1), and is characterized by further comprising a holding adjusting device (2), a general rotating device (3), a rotating cutting device (4) and a cutting tensioning mechanism (5);
the rack (1) comprises an underframe (10), a top frame (11) and a positioning and height adjusting device (12); the underframe (10) is of an annular structure, and a plurality of connecting plates (101) which are perpendicular to the annular plane are fixedly arranged on the periphery of the underframe; the top of the connecting plate (101) is fixedly connected with the top frame (11); a positioning and height adjusting device (12) is arranged at the center of the top frame (11);
the connecting plate (101) is provided with a holding adjusting device (2) in a telescopic manner;
the frame (1) is internally provided with a general rotating device (3) in a rotatable way;
a rotary cutting device (4) is slidably arranged on the overall rotary device (3);
a cutting tensioning mechanism (5) is arranged on the overall rotary device (3);
the cutting tensioning mechanism (5) is abutted against the rotary cutting device (4).
2. The CFG pile driver as claimed in claim 1, wherein:
the overall rotating device (3) comprises a rotating disc (30), a sliding shaft sleeve (31) and a rotating power mechanism (32);
the underframe (10) is of a step-shaped annular structure, and the inner diameter of the upper part of the underframe is larger than that of the lower part of the underframe;
the rotary disc (30) is rotatably arranged in the underframe (10), and the rotary power mechanism (32) is fixedly arranged on the periphery of the underframe (10);
the rotary disc (30) is of a disc-shaped structure, and the center of the rotary disc is provided with a rotary disc center hole (300); at least two sliding grooves (301) are radially formed in the rotary disc (30);
a pressure spring positioning hole (302) is formed in one side, close to the outer edge of the rotary disc (30), in the sliding groove (301), and a pressure spring (303) is fixedly arranged in the pressure spring positioning hole (302);
the sliding shaft sleeve (31) is arranged in the sliding groove (301) in a sliding manner;
the sliding shaft sleeve (31) is fixedly connected with the rotary cutting device (4);
an annular toothed belt (304) is fixedly arranged on the periphery of the rotary disc (30);
the rotary power mechanism (32) is provided with a rotary motor and a rotary gear (323), and the rotary gear is meshed with the annular toothed belt (304).
3. The CFG pile cutter of claim 2, wherein:
the rotary cutting device (4) comprises a cutting motor (40) and a saw blade (41);
the sliding shaft sleeve (31) comprises a shaft sleeve sliding part (310), a top end sliding part (311) and a bottom end blocking part (312); the cross section of the shaft sleeve sliding part (310) is of an oblong structure, and the shaft sleeve sliding part (310) can slide in the sliding groove (301) along the length direction of the sliding groove (301) but cannot rotate;
a bottom blocking part (312) is fixedly arranged at the bottom of the shaft sleeve sliding part (310), and the outer diameter of the bottom blocking part (312) is larger than the groove width of the sliding groove (301);
the top of the shaft sleeve sliding part (310) is fixedly provided with the top end sliding part (311), the top end sliding part (311) is of a cylindrical structure, and the outer diameter of the top end sliding part (311) is also larger than the groove width of the sliding groove (301);
the axis of the sliding shaft sleeve (31) is provided with a cutting motor shaft hole (313);
a rotating shaft of the cutting motor (40) penetrates through the shaft hole (313) of the cutting motor, protrudes out of the bottom end blocking part (312) and is fixedly connected with the saw blade (41);
the top end sliding part (311) is fixedly connected with the cutting motor (40).
4. The CFG pile cutting machine according to claim 3, characterized in that:
the cutting tensioning mechanism (5) comprises a tensioning rotary ring (50), a convex block (51) and a tensioning rotary power mechanism (52); the tensioning swivel (50) is of an annular structure; the upper half part of the periphery of the tensioning swivel (50) is fixedly provided with the lug (51), and the lug (51) is of an arc structure and is arranged symmetrically to the axis of the tensioning swivel (50); a plurality of rotating ring teeth (500) which are arranged at equal intervals are further arranged on the periphery of the tensioning rotating ring (50);
the tensioning rotary power mechanism (52) is provided with a tensioning rotary ring driving motor (521) and a tensioning rotary ring driving gear (522); the tensioning and rotating power mechanism (52) is fixedly arranged on the rotary disc (30); the tensioning swivel (50) is rotatably arranged in the central hole (300) of the rotary disc;
the tensioning swivel drive gear (522) is intermeshed with the plurality of mutually equally spaced swivel teeth (500).
5. The CFG pile driver as claimed in claim 1, wherein:
the top frame (11) is of a three-blade structure, the center of the top frame is provided with a height adjusting threaded hole (110), and the top frame (11) is also fixedly provided with a hanging ring (13);
the positioning and height adjusting device (12) comprises a height adjusting handle (120), a height adjusting thread part (121) and a top plate (122);
the height adjusting handle (120) is of a T-shaped structure, and the bottom of the height adjusting handle is fixedly connected with one end of the height adjusting threaded part (121); the other end of the height adjusting thread part (121) is rotatably connected with the top plate (122);
the height adjusting thread part (121) is rotatably arranged in the height adjusting thread hole (110) in a penetrating mode.
6. The CFG pile driver as claimed in claim 1, wherein:
a plurality of holding adjusting support plates (14) are fixedly arranged below the top frame (11), and holding adjusting threaded holes (140) are formed in the holding adjusting support plates (14);
the clasping adjusting device (2) comprises a clasping adjusting handle (20), a clasping adjusting thread part (21) and a clasping adjusting arc plate (22);
the clasping adjusting handle (20) is of a T-shaped structure, the bottom of the clasping adjusting handle (20) is fixedly connected with one end of the clasping adjusting thread part (21), and the other end of the clasping adjusting thread part (21) is rotatably connected with the clasping adjusting arc plate (22);
the clasping adjusting arc plate (22) is of an arc structure;
the clasping adjusting thread part (21) can be rotatably arranged in the clasping adjusting thread hole (140) in a penetrating way.
7. The CFG pile cutter of claim 2, wherein:
the rotary power mechanism (32) comprises a shell (320), a shaft support (321), a rotary shaft (322), a rotary gear (323), a pinion (324), a worm (325) and a rotary motor;
the shell (320) is of a cavity arc-shaped structure, a semicircular groove is formed in the center of the shell, the rotary motor is fixedly arranged in the shell (320), and a rotating shaft of the rotary motor extends into the semicircular groove; a rotating shaft of the rotary motor is fixedly connected with the worm (325);
two shaft supports (321) are arranged in the semicircular groove, shaft holes are formed in the shaft supports (321), and the rotating shaft (322) can rotatably penetrate through the shaft holes;
the pinion (324) is fixedly sleeved at the upper end of the rotating shaft (322), and the pinion (324) is meshed with the worm (325);
the lower end of the rotating shaft (322) is fixedly sleeved with the rotating gear (323), and the rotating gear (323) is meshed with the annular toothed belt (304).
8. The CFG pile cutting machine according to claim 4, characterized in that:
the tensioning rotary power mechanism (52) comprises a tensioning motor bracket (520), a tensioning rotary ring driving motor (521) and a tensioning rotary ring driving gear (522); the tensioning motor bracket (520) is of a Z-shaped structure, the tensioning swivel driving motor (521) is fixedly arranged on the tensioning motor bracket, and the tensioning swivel driving gear (522) is fixedly arranged on a rotating shaft of the tensioning swivel driving motor (521);
the tensioning swivel drive motor (521) is a direct current gear motor.
9. The CFG pile cutting machine according to claim 3, characterized in that:
the number of the rotary cutting devices (4) is three, and the saw blades (41) are of a disc-shaped structure.
10. The CFG pile cutting machine according to claim 4, characterized in that:
the cutting motor (40) is a brushless motor.
Technical Field
The invention relates to the technical field of pile cutting, in particular to a CFG pile cutting machine.
Background
The pile cutting machine is one kind of engineering machine suitable for fast cutting pile head in pile foundation engineering. The pile head cutting device is suitable for cutting pile heads of various pile foundation forms. The pile breaking machine is generally called a pile breaker (pile breaker) in the world, and is named as a pile cutter in order to meet the habit of China. The CFG pile is an abbreviation of English Cement Fly-ash Grave, and means a Cement Fly ash gravel pile, which is a variable-strength pile made of gravel, stone chips, soil sand and Fly ash mixed with Cement and mixed with water, and the CFG pile is manufactured by various pile-forming machines, wherein the upper end part of the CFG pile needs to be cut, and the currently adopted cutting method is a pile cutter. The existing pile cutting machine is roughly divided into two types, one type is hydraulic type, pressure is provided for a plurality of oil cylinders of the pile cutting machine through a power source, the oil cylinders directly drive drill rods, and meanwhile, a pile body is extruded, so that a pile head is cut off. The pile cutting machine has large impact vibration and is not suitable for being used on CFG piles. Another is a mode using a saw blade for cutting, such as the publication (bulletin): CN202969384U discloses a pile cutter, including wheel, frame, 380V three-phase power cord and switch, the frame comprises the triangle cone form by stand, sloping, longeron and crossbeam, and stand department is equipped with the motor, and the bearing cover body is fixed connection on the longeron of awl end department, is equipped with the transmission shaft in the bearing cover body. The output shaft of the motor is connected with the transmission shaft in the bearing sleeve body through a transmission belt, and the output end of the transmission shaft is fixedly connected with a concrete saw blade. The middle part of the oblique beam is provided with a water tank with a water outlet pipe, and the water outlet of the water outlet pipe is positioned on the upper surface of the concrete saw blade. The pile cutter has simple structure, small vibration and low efficiency, and needs manual control at any time.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme:
a CFG pile cutting machine comprises a rack, a holding adjusting device, a total rotating device, a rotating cutting device and a cutting tensioning mechanism, wherein the holding adjusting device is arranged on the rack;
the rack comprises a bottom frame, a top frame and a positioning and height adjusting device; the underframe is of an annular structure, and a plurality of connecting plates which are perpendicular to the annular plane are fixedly arranged on the periphery of the underframe; the top of the connecting plate is fixedly connected with the top frame; a positioning and height adjusting device is arranged at the center of the top frame;
the connecting plate is provided with a holding adjusting device in a telescopic manner;
the frame is internally provided with a general rotating device in a rotatable way;
a rotary cutting device is slidably arranged on the overall rotary device;
a cutting tensioning mechanism is arranged on the overall rotating device;
the cutting tensioning mechanism is in contact with the rotary cutting device in a propping mode.
During the use, will cut straining device and rotate an angle and ejecting gyration cutting device, wear the upper end of cover to the CFG form with whole CFG pile cutter again through the frame to adjust the height through location and high adjusting device, then the adjustment is held tightly adjusting device and is held tightly, and then an angle of reversal cutting straining device is retracted gyration cutting device and is contacted with the CFG stake, then starts. The during operation, gyration cutting device cuts the CFG stake of lower part, and total slewer drives gyration cutting device and slowly rotates, because gyration cutting device is provided with a plurality ofly, can follow different angles and cut the CFG stake simultaneously, just so can improve work efficiency greatly, in addition, owing to adopted the fixed and total slewer's of frame mode, the cutting process also need not artifical the participation, has alleviateed operating personnel's work burden.
Preferably, the overall rotating device comprises a rotating disc, a sliding shaft sleeve and a rotating power mechanism;
the underframe is of a step-shaped annular structure, and the inner diameter of the upper part of the underframe is larger than that of the lower part of the underframe;
the rotary disc is rotatably arranged in the underframe, and the rotary power mechanism is fixedly arranged on the periphery of the underframe;
the rotary disc is of a disc-shaped structure, and the center of the rotary disc is provided with a central hole of the rotary disc; the rotary disc is also provided with at least two sliding chutes in the radial direction;
a pressure spring positioning hole is formed in one side, close to the outer edge of the rotary disc, in the sliding groove, and a pressure spring is fixedly arranged in the pressure spring positioning hole;
the sliding shaft sleeve is slidably arranged in the sliding groove;
the sliding shaft sleeve is fixedly connected with the rotary cutting device;
an annular toothed belt is fixedly arranged on the periphery of the rotary disc;
the rotary power mechanism is provided with a rotary motor and a rotary gear, and the rotary gear is meshed with the annular toothed belt.
The chassis is of a step-shaped annular structure, the inner diameter of the upper part of the chassis is larger than that of the lower part of the chassis, and the structure can prevent the rotary disc from falling and cannot rotate due to overlarge friction area; the periphery of the underframe is fixedly provided with the rotary power mechanism, the whole rotary disc can be driven to rotate by using smaller torque, and the size is small.
Preferably, the rotary cutting device comprises a cutting motor and a saw blade;
the sliding shaft sleeve comprises a shaft sleeve sliding part, a top end sliding part and a bottom end blocking part; the cross section of the shaft sleeve sliding part is of an oblong structure, and the shaft sleeve sliding part can slide in the sliding groove along the length direction of the sliding groove but cannot rotate;
the bottom of the sliding part of the shaft sleeve is fixedly provided with a bottom blocking part, and the outer diameter of the bottom blocking part is larger than the groove width of the sliding groove;
the top of the shaft sleeve sliding part is fixedly provided with the top end sliding part, and the top end sliding part is of a cylindrical structure, and the outer diameter of the top end sliding part is also larger than the groove width of the sliding groove;
the axis of the sliding shaft sleeve is provided with a cutting motor shaft hole;
a rotating shaft of the cutting motor penetrates through a shaft hole of the cutting motor, protrudes out of the bottom end blocking part and is fixedly connected with the saw blade;
the top end sliding part is fixedly connected with the cutting motor.
The rotary cutting device is fixedly connected with the sliding shaft sleeve, and the rotary cutting device and the sliding shaft sleeve can slide along the length direction of the sliding groove. In addition, because the cutting motors are independent, the operation of the whole structure cannot be influenced due to the fact that one of the cutting motors is in failure, and device failure caused by overlarge current in distributed centralized control can be caused.
Preferably, the cutting tensioning mechanism comprises a tensioning rotary ring, a convex block and a tensioning rotary power mechanism; the tensioning swivel is of an annular structure; the upper half part of the periphery of the tensioning swivel is fixedly provided with the lug which is in an arc structure and is arranged symmetrically to the axis of the tensioning swivel; the periphery of the tensioning swivel is also provided with a plurality of swivel teeth which are arranged at equal intervals;
the tensioning rotary power mechanism is provided with a tensioning rotary ring driving motor and a tensioning rotary ring driving gear; the tensioning and rotating power mechanism is fixedly arranged on the rotary disc; the tensioning rotary ring is rotatably arranged in the central hole of the rotary disc;
the tensioning swivel drive gear is meshed with the plurality of swivel teeth which are arranged at equal intervals.
The cutting tensioning mechanism is like a cam structure, but the center of the cutting tensioning mechanism is hollow, so that the cutting tensioning mechanism can conveniently penetrate through a CFG pile, the tensioning function can be well realized, and the size is small.
Preferably, the top frame is of a three-blade structure, the center of the top frame is provided with a height adjusting threaded hole, and the top frame is also fixedly provided with a hanging ring;
the positioning and height adjusting device comprises a height adjusting handle, a height adjusting thread part and a top plate;
the height adjusting handle is of a T-shaped structure, and the bottom of the height adjusting handle is fixedly connected with one end of the height adjusting threaded part; the other end of the height adjusting threaded part is rotatably connected with the top plate;
the height adjusting thread part is rotatably arranged in the height adjusting thread hole in a penetrating mode.
Preferably, a plurality of holding adjusting support plates are fixedly arranged below the top frame, and holding adjusting threaded holes are formed in the holding adjusting support plates;
the clasping adjusting device comprises a clasping adjusting handle, a clasping adjusting thread part and a clasping adjusting arc plate;
the clamping adjusting handle is of a T-shaped structure, the bottom of the clamping adjusting handle is fixedly connected with one end of the clamping adjusting threaded part, and the other end of the clamping adjusting threaded part is rotatably connected with the clamping adjusting arc plate;
the holding adjusting arc plate is of an arc-shaped structure;
the clasping adjusting thread portion is rotatably arranged in the clasping adjusting thread hole in a penetrating mode.
Preferably, the rotary power mechanism comprises a shell, a shaft support, a rotary shaft, a rotary gear, a pinion, a worm and a rotary motor;
the shell is of a cavity arc structure, a semicircular groove is formed in the center of the shell, the rotary motor is fixedly arranged in the shell, and a rotating shaft of the rotary motor extends into the semicircular groove; a rotating shaft of the rotary motor is fixedly connected with the worm;
two shaft supports are arranged in the semicircular groove, shaft holes are formed in the shaft supports, and the rotating shaft can rotatably penetrate through the shaft holes;
the pinion is fixedly sleeved at the upper end of the rotating shaft and meshed with the worm;
the lower end of the rotating shaft is fixedly sleeved with the rotating gear, and the rotating gear is meshed with the annular toothed belt.
Preferably, the tensioning rotary power mechanism comprises a tensioning motor bracket, a tensioning swivel driving motor and a tensioning swivel driving gear; the tensioning motor bracket is of a Z-shaped structure, the tensioning swivel driving motor is fixedly arranged on the tensioning motor bracket, and the tensioning swivel driving gear is fixedly arranged on a rotating shaft of the tensioning swivel driving motor;
the tensioning swivel driving motor is a direct current speed reduction motor.
Preferably, the rotary cutting device is provided with three, and the saw blades are of a disc-shaped structure.
Preferably, the cutting motor is a brushless motor.
When the CFG pile cutting machine is used, the cutting tensioning mechanism is rotated by an angle to eject the rotary cutting device out, the whole CFG pile cutting machine is sleeved on the upper end of the CFG shape through the rack, the height is adjusted through the positioning and height adjusting device, then the holding adjusting device is adjusted to hold tightly, then the cutting tensioning mechanism is reversely rotated by an angle to retract the rotary cutting device to be in contact with the CFG pile, and then the CFG pile cutting machine is started. The during operation, gyration cutting device cuts the CFG stake of lower part, and total slewer drives gyration cutting device and slowly rotates, because gyration cutting device is provided with a plurality ofly, can follow different angles and cut the CFG stake simultaneously, just so can improve work efficiency greatly, in addition, owing to adopted the fixed and total slewer's of frame mode, the cutting process also need not artifical the participation, has alleviateed operating personnel's work burden. The device has the advantages of reasonable design, ingenious structure, convenient operation, good stability, high efficiency and convenient assembly and maintenance.
Drawings
FIG. 1 is a perspective view of the overall structure of the embodiment of the present invention;
FIG. 2 is a front view of the overall structure of the embodiment provided by the present invention;
FIG. 3 is a left side view of the overall structure of the embodiment provided by the present invention;
FIG. 4 is a top view of the overall structure of the embodiment provided by the present invention;
FIG. 5 is a bottom view of the general structure of the embodiment provided by the present invention;
FIG. 6 is an exploded view of an embodiment of the present invention;
fig. 7 is a schematic perspective view of a sliding sleeve according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a rotary power mechanism according to an embodiment of the present invention;
fig. 9 is a schematic perspective view of an embodiment of a tensioning rotary power mechanism according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 9 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
As shown in fig. 1 to 6, a CFG pile cutter comprises a frame 1, a holding adjusting device 2, a
The frame 1 comprises an underframe 10, a
Specifically, the
The positioning and height adjusting device 12 includes a height adjusting handle 120, a height adjusting screw portion 121, and a
The lower surfaces of the 3 top frames 11 are respectively and fixedly provided with a holding adjusting support plate 14, and holding adjusting threaded holes 140 are formed in the holding adjusting support plate 14. The holding adjusting device 2 comprises a holding adjusting handle 20, a holding adjusting thread part 21 and a holding adjusting arc plate 22. Hold tightly and adjust handle 20 and be T shape structure, hold tightly the bottom of adjusting handle 20 and hold tightly one end fixed connection of adjusting screw portion 21, hold tightly the other end of adjusting screw portion 21 and hold tightly and adjust arc plate 22 and rotate and be connected. The holding and adjusting arc plate 22 is of an arc structure. The clasping adjusting thread part 21 is rotatably arranged in the clasping adjusting thread hole 140 in a penetrating way.
The overall
As shown in fig. 8, the
The rotary cutting device 4 includes a cutting motor 40 and a
The cutting tensioning mechanism 5 comprises a tensioning rotary ring 50, a convex block 51 and a tensioning
As shown in fig. 9, the tension
In addition, the rotary cutting device 4 is provided with three, and the
When in use, the method is operated according to the following steps:
1. Leveling the pile head: the top of the CFG pile to be cut is flattened so that the top forms a relatively smooth surface, which may be ground or filled with cement.
2. Opening the saw blade: the tensioning
3. Hoisting and positioning: and moving the whole CFG pile cutting machine to the position above the CFG pile by using a crane, a forklift, a movable support or a manual work. Specifically, the pile cutter is lifted by passing a rope through the eye 13 and moving the pile cutter over the CFG pile and into alignment with the central hole of the tension swivel 50, and then slowly lowered. The top of the pile head abuts against the
4. Starting cutting: the control box is utilized to start the rotary cutting device 4 to rotate, the tensioning
5. And (3) disassembling the machine to finish: after the pile cutter is cut to the deepest position, the pile cutter automatically sends a completion signal and controls the box to control the tensioning
6. Pile head cutting and processing: since the rotary cutter 4 cannot completely cut the pile body and finally a small part remains, the final pile head needs to be knocked off and disposed of manually.
When the CFG pile cutting machine is used, the cutting tensioning mechanism 5 is rotated by an angle to eject the rotary cutting device 4 out, the whole CFG pile cutting machine is sleeved on the upper end of a CFG shape through the rack 1, the height is adjusted through the positioning and height adjusting device 12, the holding adjusting device 2 is adjusted to hold tightly, then the cutting tensioning mechanism 5 is reversely rotated by an angle to retract the rotary cutting device 4 to be in contact with a CFG pile, and then the CFG pile cutting machine is started. During operation, gyration cutting device 4 cuts the CFG stake of lower part, and
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