CN111244830A

CN111244830A - Cable traction machine

Info

Publication number: CN111244830A
Application number: CN202010183759.3A
Authority: CN
Inventors: 代吉林; 陈鹏; 庞春军; 陈立新; 黄小军
Original assignee: China Energy Engineering Group Northwest Power Construction Engineering Co ltd
Current assignee: China Energy Engineering Group Northwest Power Construction Engineering Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-06-05
Anticipated expiration: 2040-03-16
Also published as: CN111244830B

Abstract

The invention relates to a cable tractor which comprises a cable tractor main body and a movable frame, wherein the movable frame comprises a frame body arranged below the cable tractor main body, two installation shafts are arranged below the frame body in parallel, rollers are coaxially and rotatably arranged at two ends of the installation shafts, a control box is fixedly arranged at the top of the movable frame, the cable tractor main body is fixed at the top of the control box, a hand-push frame is arranged at one side of the control box, brake assemblies are arranged at two sides of the edge of each roller, a brake driving assembly for driving the brake assemblies to work is arranged in the control box, an auxiliary fixing assembly is vertically arranged below the control box, and an auxiliary fixing driving assembly for driving the auxiliary fixing assembly to work is arranged in. According to the cable tractor, the moving frame is arranged to facilitate the overall movement of equipment, and the dual control of the brake assembly and the auxiliary fixing assembly effectively prevents the overall displacement of the cable tractor in the cable construction process, ensures the normal operation of the traction work, and improves the working efficiency of the cable tractor.

Description

Cable traction machine

Technical Field

The invention relates to the technical field of cable laying devices, in particular to a cable tractor.

Background

In recent years, with the increasing pace of urban modern construction, people have an increasing demand for electric power, and the number of cables laid every year, namely the number of cables and the number of kilometers, is increasing year by year. The cable tractor is a novel wire and cable construction machine developed on the basis of a multifunctional take-up and pay-off machine, consists of a traction machine head and a winch shaft, is used for traction during cable laying, can also be used for traction of cables and overhead lines, has the characteristics of small volume, flexible and convenient use and the like, and is more suitable for cable construction in narrow road sections, particularly cities.

The traditional Chinese invention with the publication number of CN109217183A discloses a cable tractor for electric power engineering, which comprises a base, moving devices, a first bearing, a rotating shaft, a support, a first top plate, a traction wheel, a first screw rod, a movable plate, a first handle, a turntable, a vertical rod, a cross rod and a locking rod, wherein the lower surface of the base is provided with four moving devices which are arranged in a matrix manner, the left side of the upper surface of the base is movably connected with a rotating shaft through the first bearing, the top end of the rotating shaft is fixedly connected with a support, the movable plate is connected in the support in a sliding manner, the traction wheel is connected on the movable plate in a sliding manner, the top end of the support is fixedly connected with a first top plate, the first top plate is connected with a first screw rod, the top end of the first screw rod is fixedly connected with a first handle, and the tail end of the first, the rotary table is fixedly connected to the middle end of the outer surface of the rotating shaft, a cross rod is arranged above the rotary table and fixedly connected to a vertical rod, the vertical rod is fixed to the base, and a locking rod is arranged in the cross rod and is in contact with the rotary table. The cable traction machine of this design simple structure is reasonable, low in production cost, simple to operate, makes the cable through setting up the leading wheel for the cable has the direction function when pulling, thereby makes to pull more smoothly, improves cable traction efficiency through setting up the drive wheel, improves working effect.

The above prior art solutions have the following drawbacks: the existing cable tractor can be conveniently moved at the bottom of the existing cable tractor when in use, but the whole cable tractor is easy to displace in the cable construction process, so that the normal running of the traction work is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, one of the purposes of the invention is to provide a cable tractor, the whole equipment can be conveniently moved by arranging a movable frame, the whole cable tractor is effectively prevented from being displaced in the cable construction process by double control of a brake assembly and an auxiliary fixing assembly, the normal operation of the traction work is ensured, and the working efficiency of the cable tractor is improved.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a cable tractor, includes the cable tractor main part, the cable tractor main part is placed on moving the frame, moving the frame including setting up the support body in cable tractor main part below, support body below parallel mounting of each other has two installation axles, install the coaxial rotation in axle both ends and install the gyro wheel, moving frame top fixed mounting has the control box, the cable tractor main part is fixed the control box top, control box minor face one side is provided with the hand push frame, gyro wheel edge both sides are provided with brake assembly, be provided with the brake drive subassembly of drive brake assembly work in the control box, the vertical fixed subassembly that is provided with of control box below, be provided with the supplementary fixed drive subassembly of the supplementary fixed subassembly work of drive in the control box.

By adopting the technical scheme, a user pushes the hand push frame to move the movable frame and the cable tractor main body above the movable frame to a construction site, the brake driving assembly controls the brake assembly to work to hold the roller tightly, and the displacement of the cable tractor caused by the rolling of the roller in the cable construction process is prevented; then, the auxiliary fixing driving assembly controls the auxiliary fixing assembly to work for secondary reinforcement, so that the cable tractor is prevented from being stressed and sliding integrally in the working process; to sum up, the cable traction machine of this design is when making things convenient for the bulk movement, through brake subassembly and supplementary fixed subassembly dual control, prevents effectively that cable traction machine from taking place the displacement in cable construction process is whole, guarantees the normal clear of pulling work, improves cable traction machine's work efficiency.

The present invention in a preferred example may be further configured to: brake subassembly is the fixed plate of U-shaped including setting up at the gyro wheel edge, the gyro wheel edge is located in the U-shaped opening of fixed plate, a parallel section protrusion of fixed plate is equipped with the control flume, the opening orientation of control flume the gyro wheel, be equipped with the piston post in the control flume, the piston post is close to gyro wheel one side is equipped with movable brake block, another parallel section of fixed plate with movable brake block correspondence is equipped with fixed brake block, the gyro wheel is when normally working, fixed brake block with the gyro wheel is just contactless, the gyro wheel with contactless between the movable brake block, just the gyro wheel with distance between the movable brake block is less than the length of piston post, the control flume is kept away from movable brake block one end is provided with the connecting pipe.

By adopting the technical scheme, after a user moves the cable tractor to a construction site, the brake driving assembly is controlled to introduce brake oil into the connecting pipe, the pressure in the control groove is increased to push the piston column to drive the movable brake pad at the end part of the piston column to move towards the direction of the roller, and the roller is tightly clamped between the movable brake pad and the fixed brake pad, so that the cable tractor is prevented from displacing due to the rolling of the roller in the cable construction process, and the cable tractor is simple in structure and convenient to use; when a user needs to move the cable traction machine again, the brake driving assembly is controlled to pump brake oil in the control groove out through the connecting pipe, so that the pressure in the control groove is reduced, the piston column is sucked to move in the direction away from the roller, the movable brake pad and the fixed brake pad loosen the roller, and the cable traction machine is convenient to move.

The present invention in a preferred example may be further configured to: the brake driving assembly comprises a brake pump arranged in the control box, the brake pump comprises an oil storage pipe, an oil delivery hose is arranged between one end of the oil storage pipe and the connecting pipe, a piston push head is arranged in the oil storage pipe, a push rod is arranged at one end of the piston push head, the end part of the push rod penetrates out of one end of the oil storage pipe, which is not provided with the oil delivery hose, brake oil is filled between the piston push head and the oil delivery hose in the oil storage pipe, a sliding groove is arranged at the bottom in the control box and perpendicular to the installation shaft, a sliding block is arranged on the sliding groove in a sliding manner and connected with the push rod, a hand push rod is arranged at the other end of the sliding block and parallel to the sliding groove, the hand push rod penetrates out of the side wall of the control box, which is provided with a hand push frame, the hand push rod is parallel, the control box lateral wall is provided with an accommodating groove for accommodating the baffle, the control box lateral wall is positioned near the accommodating groove and is rotatably connected with a fixing strip, and the rotating surface of the fixing strip is parallel to the accommodating groove.

By adopting the technical scheme, when a user uses the brake driving assembly, the hand push rod is pushed to enable the sliding block at the end part of the hand push rod to move along the sliding groove in the direction away from the hand push frame, the push rod and the piston push head are driven to move in the direction away from the hand push frame, then the brake oil in the oil storage pipe is pushed into the control groove to control the movable brake pad and the fixed brake pad to hold the roller tightly, and after the baffle is pushed into the accommodating groove, the fixing strip is rotated to fix the baffle, so that the roller is always in a braking state; the fixing strip is rotated and the push rod is pulled out to enable the push rod and the piston push head to move towards the direction close to the hand-push frame, the brake oil in the control groove is pumped back to the oil storage pipe, and then the movable brake pad and the fixed brake pad loosen the roller to facilitate the cable tractor to move again.

The present invention in a preferred example may be further configured to: and a return spring is fixedly arranged between the sliding block and the side wall of the control box, and the return spring is sleeved outside the hand push rod.

Through adopting above-mentioned technical scheme, after rotating the fixed strip and making the fixed strip leave baffle surface, make the handspike pop out under reset spring's effect, convenience of customers uses.

The present invention in a preferred example may be further configured to: the auxiliary fixed driving component comprises a rotating shaft which is rotatably arranged in the control box in parallel with the installation shaft, a driving bevel gear is coaxially arranged at two ends of the rotating shaft, a rotating rod is rotatably arranged in the control box and is perpendicular to the rotating shaft, a driven bevel gear meshed with the driving bevel gear is arranged at one end of the rotating rod, which is close to the rotating shaft, a worm rod is coaxially and fixedly sleeved on the rotating shaft, a screw rod is vertically and rotatably arranged in the control box, a turbine matched with the worm rod is coaxially arranged on the screw rod, a sliding block is coaxially sleeved on the screw rod and is positioned below the turbine, a sleeve rod is sleeved outside the screw rod and is positioned below the sliding block, a supporting claw is coaxially arranged at the end part of the sleeve rod, which is far away from the sliding block, the end part of the sleeve rod penetrates out of the bottom wall of the control box through, the sliding block is arranged through the guide rod, one end of the rotating shaft penetrates out of the control box, a hand wheel is arranged on the control box, and the sleeve rod and the supporting claw form the auxiliary fixing component.

Through adopting above-mentioned technical scheme, the user accomplishes cable tractor's brake operation back, rotates the pivot through the hand wheel, drives the dwang through initiative bevel gear and rather than the driven bevel gear of meshing and rotates, drives the screw rod through scroll bar and rather than the turbine of meshing and rotates, and the screw rod rotates and drives the sliding block and move along the guide arm direction, drives loop bar and the downward motion of the support claw of bottom to carry out the auxiliary stay through loop bar and support claw and fix cable tractor, avoid cable tractor whole emergence displacement in the cable construction process.

The present invention in a preferred example may be further configured to: the supporting claw comprises three supporting legs which are obliquely arranged, one end of each supporting leg is fixedly arranged at the bottom end of the sleeve rod, and the angle between each supporting leg and the extension line of the sleeve rod ranges from 45 degrees to 60 degrees.

By adopting the technical scheme, the three supporting legs form a triangular pyramid support, and the gravity center of the supporting legs is reduced by 45-60 degrees from the extension lines of the supporting legs and the sleeve rod, so that the support of the supporting claw is more stable.

The present invention in a preferred example may be further configured to: and the other end of the supporting leg is sleeved with a rubber anti-slip sleeve.

Through adopting above-mentioned technical scheme, rubber antiskid cover plays protection and skid-proof effect, prevents that the landing leg from receiving external force to take place to slide, makes the support of supporting the claw more stable.

The present invention in a preferred example may be further configured to: the bottom wall of the control box and the sliding block are fixedly connected with a buffer spring, and the buffer spring is sleeved outside the guide rod.

Through adopting above-mentioned technical scheme, buffer spring plays the cushioning effect, avoids the direct striking of sliding block to control bottom of the case wall and causes equipment damage, improves the life of device.

In summary, the invention includes at least one of the following beneficial technical effects:

1. a user pushes the hand push frame to move the movable frame and the cable tractor main body above the movable frame to a construction site, the brake driving assembly controls the brake assembly to work to hold the roller tightly, and the displacement of the cable tractor caused by the rolling of the roller in the cable construction process is prevented; then, the auxiliary fixing driving assembly controls the auxiliary fixing assembly to work for secondary reinforcement, so that the cable tractor is prevented from being stressed and sliding integrally in the working process; to sum up, the cable traction machine of this design is when making things convenient for the bulk movement, through brake subassembly and supplementary fixed subassembly dual control, prevents effectively that cable traction machine from taking place the displacement in cable construction process is whole, guarantees the normal clear of pulling work, improves cable traction machine's work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is a schematic view of the brake assembly and a portion of the brake actuating assembly of the present invention;

FIG. 5 is a schematic structural diagram of an auxiliary fixing assembly and an auxiliary fixing driving assembly according to the present invention;

fig. 6 is a partial sectional view of the auxiliary fixing assembly and the auxiliary fixing driving assembly according to the present invention.

In the figure, 1, a cable tractor body; 2. moving the frame; 21. a frame body; 22. installing a shaft; 23. a roller; 3. a control box; 4. a hand-push frame; 5. a brake assembly; 51. a fixing plate; 52. a control slot; 53. a piston post; 54. a movable brake pad; 55. fixing the brake pad; 56. a connecting pipe; 6. a brake actuation assembly; 61. a brake pump; 611. an oil storage tube; 612. a piston pusher; 613. a push rod; 62. an oil delivery hose; 63. a chute; 64. a slider; 65. a handspike; 66. a baffle plate; 67. accommodating grooves; 68. a fixing strip; 69. a return spring; 7. an auxiliary fixing component; 8. an auxiliary stationary drive assembly; 81. a rotating shaft; 82. a drive bevel gear; 83. rotating the rod; 84. a driven bevel gear; 85. a scroll bar; 86. a screw; 87. a turbine; 88. a slider; 89. a loop bar; 810. a through hole; 811. a guide bar; 812. a support claw; 8121. a support leg; 8122. a rubber anti-slip sleeve; 813. a hand wheel; 814. a buffer spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the cable tractor disclosed by the invention comprises a cable tractor main body 1, the cable tractor main body 1 is placed on a moving vehicle frame 2, the moving vehicle frame 2 comprises a frame body 21 arranged below the cable tractor main body 1, two mounting shafts 22 are arranged below the frame body 21 in parallel, rollers 23 are coaxially and rotatably arranged at two ends of the mounting shafts 22, a control box 3 is fixedly arranged at the top of the moving vehicle frame 2, the cable tractor main body 1 is fixed at the top of the control box 3, a hand push frame 4 is arranged at one side of the short side of the control box 3, brake assemblies 5 are arranged at two sides of the edge of each roller 23, brake components 5 (two are arranged in the figure) are arranged near at least one roller 23, a brake driving component 6 for driving the brake components 5 to work is arranged in the control box 3, an auxiliary fixing component 7 is vertically arranged below the control box 3, and an auxiliary fixing driving component 8 for driving the auxiliary fixing component 7 to work is arranged in the control box 3. A user pushes the hand push frame 4 to move the movable frame 2 and the cable tractor main body 1 above the movable frame to a construction site, the brake driving assembly 6 controls the brake assembly 5 to work to hold the roller 23 tightly, and the displacement of the cable tractor caused by the rolling of the roller 23 in the cable construction process is prevented; then, the auxiliary fixing driving assembly 8 controls the auxiliary fixing assembly 7 to work for secondary reinforcement, so that the cable tractor is prevented from being stressed and sliding integrally in the working process; the cable traction machine of this design is when making things convenient for the bulk movement, through brake subassembly 5 and supplementary fixed subassembly 7 dual control, prevents effectively that cable traction machine from taking place the displacement in cable work progress wholly, guarantees the normal clear of pulling work, improves cable traction machine's work efficiency.

As shown in fig. 2 and 4, the brake assembly 5 includes a fixing plate 51 disposed at the edge of the roller 23 and having a U-shape, the edge of the roller 23 is located in a U-shaped opening of the fixing plate 51, a parallel section of the fixing plate 51 is convexly provided with a control groove 52, an opening of the control groove 52 faces the roller 23, a piston post 53 is disposed in the control groove 52, one side of the piston post 53 close to the roller 23 is provided with a movable brake pad 54, another parallel section of the fixing plate 51 is provided with a fixed brake pad 55 corresponding to the movable brake pad 54, when the roller 23 normally works, the fixed brake pad 55 is not in contact with the roller 23, the roller 23 is not in contact with the movable brake pad 54, the distance between the roller 23 and the movable brake pad 54 is smaller than the length of the piston post 53, and one end of the control groove 52 away from; the brake driving assembly 6 comprises a brake pump 61 arranged in the control box 3, the brake pump 61 comprises an oil storage pipe 611, an oil delivery hose 62 is arranged between one end of the oil storage pipe 611 and the connecting pipe 56, a piston push head 612 is arranged in the oil storage pipe 611, a push rod 613 is arranged at one end of the piston push head 612, the end portion of the push rod 613 penetrates out of one end of the oil storage pipe 611 where the oil delivery hose 62 is not arranged, brake oil is filled between the piston push head 612 and the oil delivery hose 62 in the oil storage pipe 611, a sliding groove 63 is vertically arranged at the bottom of the control box 3 and the mounting shaft 22, a sliding block 64 is arranged on the sliding groove 63 in a sliding manner, the sliding block 64 is connected with the push rod 613, a hand push rod 65 is arranged at the other end of the sliding block 64 and parallel. As shown in fig. 2 and 3, the handspike 65 is parallel to the push rod 613, the baffle 66 is arranged at one end of the handspike 65 penetrating out of the control box 3, the sidewall of the control box 3 is provided with an accommodating groove 67 for accommodating the baffle 66, the sidewall of the control box 3 is located near the accommodating groove 67 and is rotatably connected with a fixing strip 68, the rotating surface of the fixing strip 68 is parallel to the accommodating groove 67, a return spring 69 is fixedly arranged between the slider 64 and the sidewall of the control box 3, and the return spring 69 is sleeved outside the handspike 65. When a user moves the cable tractor to a construction site, the hand push rod 65 is pushed to enable the sliding block 64 at the end part to move along the sliding groove 63 in a direction away from the hand push frame 4, the push rod 613 and the piston push head 612 are driven to move in a direction away from the hand push frame 4, brake oil in the oil storage pipe 611 is pushed into the control groove 52, pressure in the control groove 52 is increased to push the piston column 53 to drive the movable brake pad 54 at the end part to move in the direction of the roller 23, the roller 23 is tightly clamped between the movable brake pad 54 and the fixed brake pad 55, the cable tractor is prevented from being displaced due to rolling of the roller 23 in the cable construction process, and when the baffle 66 is pushed into the accommodating groove 67, the fixing strip 68 is rotated to fix the baffle 66, so that the roller 23 is in a braking state all the time; when a user needs to move the cable traction machine again, after the fixing strip 68 is rotated to enable the fixing strip 68 to be separated from the surface of the baffle 66, the hand push rod 65 is ejected out under the action of the return spring 69, the brake oil in the control groove 52 is pumped back to the oil storage pipe 611, and then the movable brake pad 54 and the fixed brake pad 55 release the roller 23 to facilitate the cable traction machine to move again.

As shown in fig. 5 and 6, the auxiliary fixing driving assembly 8 includes a rotating shaft 81 rotatably disposed in the control box 3 in parallel with the mounting shaft 22, a driving bevel gear 82 is coaxially disposed at two ends of the rotating shaft 81, a rotating rod 83 is rotatably disposed in the control box 3 perpendicularly to the rotating shaft 81, a driven bevel gear 84 engaged with the driving bevel gear 82 is disposed at one end of the rotating rod 83 close to the rotating shaft 81, a worm 85 is coaxially and fixedly sleeved on the rotating shaft 81, a screw 86 is vertically and rotatably disposed in the control box 3, a worm gear 87 matched with the worm 85 is coaxially disposed on the screw 86, a sliding block 88 is coaxially sleeved on the screw 86 and below the worm gear 87, a sleeve rod 89 is sleeved below the sliding block 88, a supporting claw 812 is coaxially disposed at an end of the sleeve rod 89 far from the sliding block 88, an end of the sleeve rod 89 penetrates through a through hole 810 of the bottom wall of the control box 3, a guide, the sliding block 88 passes through the guide rod 811, one end of the rotating shaft 81 passes through the control box 3 and is provided with a hand wheel 813, and the loop bar 89 and the supporting claw 812 form the auxiliary fixing component 7. After a user finishes the braking operation of the cable tractor, the rotating shaft 81 is rotated through the hand wheel 813, the rotating rod 83 is driven to rotate through the driving bevel gear 82 and the driven bevel gear 84 meshed with the driving bevel gear, the screw rod 86 is driven to rotate through the worm rod 85 and the worm wheel 87 meshed with the worm rod 85, the screw rod 86 rotates to drive the sliding block 88 to move along the direction of the guide rod 811, the sleeve rod 89 and the supporting claw 812 at the bottom end of the sleeve rod are driven to move downwards, the cable tractor is supported and fixed in an auxiliary mode through the sleeve rod 89 and the supporting claw 812, and the cable tractor is prevented from moving integrally in the cable construction process. In order to avoid the direct impact of the sliding block 88 on the bottom wall of the control box 3 to cause damage to the equipment and prolong the service life of the device, a buffer spring 814 is fixedly connected between the bottom wall of the control box 3 and the sliding block 88, and the buffer spring 814 is sleeved outside the guide rod 811.

As shown in fig. 5, the supporting claw 812 includes three supporting legs 8121 arranged obliquely, one end of each supporting leg 8121 is fixedly arranged at the bottom end of the sleeve rod 89, the angle between the supporting leg 8121 and the extension line of the sleeve rod 89 is 45 degrees to 60 degrees, and a rubber anti-slip sleeve 8122 is sleeved at the other end of each supporting leg 8121; the three supporting legs 8121 form a triangular pyramid support, and the gravity center of the supporting legs 8121 is reduced by the angle of 45-60 degrees between the extension lines of the sleeve rods 89, so that the support of the supporting claws 812 is more stable.

The implementation principle of the embodiment is as follows: when the cable tractor is used, a user pushes the hand push frame 4 to move the movable frame 2 and the cable tractor main body 1 above the movable frame to a construction site, the brake driving assembly 6 controls the brake assembly 5 to work to tightly hold the roller 23, and the displacement of the cable tractor caused by the rolling of the roller 23 in the cable construction process is prevented; and then the auxiliary fixing driving assembly 8 controls the auxiliary fixing assembly 7 to work for secondary reinforcement, so that the whole stress sliding of the cable tractor in the working process is prevented.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A cable tractor, includes cable tractor main part (1), its characterized in that: the cable tractor is characterized in that the cable tractor main body (1) is placed on the moving frame (2), the moving frame (2) comprises a frame body (21) arranged below the cable tractor main body (1), two installation shafts (22) are arranged below the frame body (21) in parallel, rollers (23) are installed at two ends of the installation shafts (22) in a coaxial rotating mode, a control box (3) is fixedly installed at the top of the moving frame (2), the cable tractor main body (1) is fixed to the top of the control box (3), a hand push frame (4) is arranged on one side of a short side of the control box (3), brake assemblies (5) are arranged on two sides of the edge of each roller (23), a brake driving assembly (6) for driving each brake assembly (5) to work is arranged in the control box (3), an auxiliary fixing assembly (7) is vertically arranged below the control box (3), and an auxiliary fixing driving assembly (8) for driving the auxiliary fixing assembly (7) to work is arranged in the control box (3).

2. The cable pulling machine according to claim 1, wherein: the brake component (5) comprises a fixing plate (51) which is arranged on the edge of the roller (23) and is U-shaped, the edge of the roller (23) is located in a U-shaped opening of the fixing plate (51), a parallel section of the fixing plate (51) protrudes to be provided with a control groove (52), the opening of the control groove (52) faces the roller (23), a piston column (53) is arranged in the control groove (52), the piston column (53) is close to one side of the roller (23) and is provided with a movable brake pad (54), the other parallel section of the fixing plate (51) and the movable brake pad (54) are correspondingly provided with a fixed brake pad (55), when the roller (23) normally works, the fixed brake pad (55) is just not contacted with the roller (23), the roller (23) is not contacted with the movable brake pad (54), and the distance between the roller (23) and the movable brake pad (54) is smaller than the length of the piston column (53), and one end of the control groove (52) far away from the movable brake block (54) is provided with a connecting pipe (56).

3. The cable pulling machine according to claim 2, wherein: brake drive assembly (6) is including setting up brake pump (61) in control box (3), brake pump (61) includes oil storage pipe (611), oil storage pipe (611) one end with be provided with oil hose (62) between connecting pipe (56), be provided with piston pushing head (612) in oil storage pipe (611), piston pushing head (612) one end is provided with push rod (613), push rod (613) tip is worn out from the one end that oil hose (62) were not set up in oil storage pipe (611), lie in oil storage pipe (611) piston pushing head (612) with be equipped with brake oil between oil hose (62), bottom in control box (3) with installation axle (22) is provided with spout (63) perpendicularly, the slip is equipped with slider (64) on spout (63), slider (64) with push rod (613) are connected, slider (64) other end with spout (63) parallel arrangement has handspike (65), handspike (65) are worn out from the lateral wall that control box (3) were provided with hand push frame (4), handspike (65) with push rod (613) are parallel, handspike (65) are worn out the one end of control box (3) is provided with baffle (66), control box (3) lateral wall has been seted up and has been held holding tank (67) of baffle (66), control box (3) lateral wall is located near holding tank (67) are rotated and are connected with fixed strip (68), the rolling plane of fixed strip (68) with holding tank (67) are parallel.

4. The cable pulling machine according to claim 3, wherein: the sliding block (64) and the side wall of the control box (3) are fixedly provided with a return spring (69), and the return spring (69) is sleeved outside the hand push rod (65).

5. The cable pulling machine according to claim 1, wherein: the auxiliary fixing driving assembly (8) comprises a rotating shaft (81) which is arranged in the control box (3) in a parallel rotating mode with the mounting shaft (22), driving bevel gears (82) are coaxially arranged at two ends of the rotating shaft (81), a rotating rod (83) is arranged in the control box (3) and vertically rotates with the rotating shaft (81), one end, close to the rotating shaft (81), of the rotating rod (83) is provided with a driven bevel gear (84) meshed with the driving bevel gear (82), a worm rod (85) is coaxially and fixedly sleeved on the rotating shaft (81), a screw rod (86) is vertically and rotatably arranged in the control box (3), a turbine (87) matched with the worm rod (85) is coaxially arranged on the screw rod (86), a sliding block (88) is coaxially sleeved below the turbine (87) on the screw rod (86), and a sleeve rod (89) is sleeved outside the screw rod (86) below the sliding block (88), keep away from loop bar (89) the coaxial support claw (812) that is provided with of tip of sliding block (88), loop bar (89) tip is worn out through-hole (810) control box (3) diapire, control box (3) roof with fixed guide arm (811) that is provided with between control box (3) diapire, sliding block (88) are worn to establish guide arm (811), pivot (81) one end is worn out control box (3) are provided with hand wheel (813), loop bar (89) and support claw (812) and constitute supplementary fixed subassembly (7).

6. The cable pulling machine according to claim 5, wherein: the supporting claw (812) comprises three supporting legs (8121) which are obliquely arranged, one ends of the supporting legs (8121) are fixedly arranged at the bottom end of the loop bar (89), and an angle between the supporting legs (8121) and an extension line of the loop bar (89) ranges from 45 degrees to 60 degrees.

7. The cable pulling machine according to claim 6, wherein: the other end of the supporting leg (8121) is sleeved with a rubber anti-slip sleeve (8122).

8. The cable pulling machine according to claim 5, wherein: the bottom wall of the control box (3) and the sliding block (88) are fixedly connected with buffer springs (814), and the buffer springs (814) are sleeved outside the guide rod (811).