CN114890232A

CN114890232A - Cable draw gear for electric power construction

Info

Publication number: CN114890232A
Application number: CN202210699583.6A
Authority: CN
Inventors: 张友山
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-08-12

Abstract

The invention discloses a cable traction device for electric power construction, and belongs to the technical field of electric power construction. The utility model provides a cable draw gear for electric power construction, includes the removal base, still includes: the support plate is symmetrically and fixedly connected to the movable base; the first motor is fixedly connected to the outer side of any one of the support plates; the bidirectional screw rod is rotatably connected between the two support plates, and one end, close to the first motor, of the bidirectional screw rod is fixedly connected with the output end of the first motor; the device can be suitable for the traction and laying work of cables with different heights, the applicability of the device is effectively improved, the cables can be tightly attached to the traction wheel, the stability of the cables in traction is guaranteed, the device can also be used for traction of cables with different thicknesses, and therefore the device can meet the actual work requirements and is suitable for popularization and use.

Description

Cable draw gear for electric power construction

Technical Field

The invention relates to the technical field of electric power construction, in particular to a cable traction device for electric power construction.

Background

The cable is usually a cable similar to a rope formed by twisting several or several groups of wires, each group of wires are mutually insulated and usually twisted around a center, a highly-insulated covering layer is wrapped outside the whole cable, the cable has the characteristics of internal electrification and external insulation, the power cable is used for transmitting and distributing electric energy, and the power cable is usually used for urban underground power grids, power station outgoing lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater.

However, when the cable is pulled by the existing cable traction device for electric power construction, the stability of the cable is poor, and the cable is easy to slide between a traction part and the cable, so that the cable is low in traction and transmission efficiency, inconvenient to pull cables of different specifications, and low in applicability.

Disclosure of Invention

The present invention is directed to a cable traction apparatus for electric power construction, which solves the above problems of the related art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a cable draw gear for electric power construction, includes the removal base, still includes: the support plate is symmetrically and fixedly connected to the movable base; the first motor is fixedly connected to the outer side of any one of the support plates; the bidirectional screw rod is rotatably connected between the two support plates, and one end, close to the first motor, of the bidirectional screw rod is fixedly connected with the output end of the first motor; the sliding blocks are symmetrically connected to the moving base in a sliding mode and are in threaded connection with the bidirectional screw rod; the traction frame is provided with a wire inlet hole and a wire outlet hole on two sides and is arranged above the support plate, and the lower end of the traction frame is rotatably connected with the sliding block through an adjusting rod; the first frame is fixedly connected to the lower end of the interior of the traction frame; the plurality of traction wheels are rotationally connected to the first frame at equal intervals; the driving mechanism is used for driving the traction wheel to rotate and is arranged on the first frame; the second frame is arranged above the traction frame close to the first frame through a pneumatic telescopic assembly; the plurality of pinch rollers are rotationally connected to the second frame at equal intervals; and the air supply mechanism is arranged at the lower end of the movable base close to the bidirectional screw rod and is connected with the two sides of the bidirectional screw rod.

In order to facilitate the driving of the plurality of traction wheels to rotate simultaneously, preferably, the driving mechanism comprises a second motor and a chain wheel, the second motor is fixedly connected to the first frame, a central rotating shaft of the traction wheel close to the second motor extends out of the first frame and is fixedly connected with the output end of the second motor, the end, away from the second motor, of the traction wheel extends out of the first frame, the chain wheel is fixedly connected to the end, away from the second motor, of the traction wheel, and the chain wheels are connected through a chain.

In order to facilitate air supply into the pneumatic telescopic assembly, preferably, the air supply mechanism comprises a first gear, a second gear, an eccentric wheel, a rotating shaft, a first air cylinder and a first piston rod with a piston, the first gear is fixedly connected at the position of the two-way lead screw close to the support plate, a groove is arranged at the position of the movable base close to the first gear, the rotating shaft is rotatably connected in the groove, the second gear is fixedly connected at the position of the rotating shaft close to the first gear and meshed with the first gear, the eccentric wheel is fixedly connected at one side of the rotating shaft far away from the second gear, a circle of annular T-shaped groove is arranged on the outer wall of the eccentric wheel, a T-shaped rod is slidably connected in the annular T-shaped groove, the first air cylinder is fixedly connected at the lower end of the movable base close to the eccentric wheel, the first piston rod is slidably connected in the first air cylinder, and the upper end of the first piston rod is fixedly connected with the T-shaped rod, the air inlet and outlet of the first cylinder are internally provided with one-way valves, and the air outlet of the first cylinder is connected with the air inlet end of the pneumatic telescopic assembly through an air pipe.

In order to facilitate the adjustment of the height of the second traction frame, the pneumatic telescopic assembly further comprises a second cylinder, a second piston rod with a piston and a tension spring, the second cylinder is symmetrically and fixedly connected to the upper end of the inside of the second traction frame, the second piston rod is slidably connected to the inside of the second cylinder, the lower end of the second piston rod is fixedly connected with the second frame, the tension spring is arranged in the second cylinder, two ends of the tension spring are respectively connected with the upper end of the inside of the second cylinder and the second piston rod, an air inlet of the second cylinder is connected with an air outlet of the air pipe, and an electromagnetic valve is installed in the air outlet of the second cylinder.

In order to limit the device conveniently, preferably, a supporting plate extends from one end, far away from the first motor, of the bidirectional screw rod, a first bevel gear is fixedly connected with the supporting plate, a position, close to the first bevel gear, of the movable base is rotatably connected with a first sleeve, a second bevel gear meshed with the first bevel gear is fixedly connected to the first sleeve, a lifting rod is connected to the first sleeve through threads, a transverse plate is fixedly connected to the lower end of the lifting rod, limiting rods are slidably connected to two sides of the transverse plate, the upper ends of the limiting rods are fixedly connected with the movable base, second sleeves are fixedly connected to the upper ends of two sides of the transverse plate, the limiting rods are slidably connected to the second sleeve, and limiting cones are uniformly and fixedly connected to the lower end of the transverse plate.

In order to facilitate further limiting of the device and improvement of the applicability of the device, furthermore, two sides of the transverse plate are symmetrically and rotatably connected with a rotating rod, the lower end of the rotating rod is rotatably connected with a friction block, the lower end of the transverse plate is close to a vertical plate fixedly connected with the position of the rotating rod, and a telescopic spring is fixedly connected between the rotating rod and the vertical plate.

In order to protect the cable, preferably, the lower end of the outer side of the traction frame, which is close to the wire inlet hole and the wire outlet hole, is rotatably connected with a protection wheel.

In order to prevent that the cable from removing, furtherly, the upper end fixedly connected with branch that the traction frame both sides are close to the protection wheel, vertical sliding connection has the carriage release lever on the branch, carriage release lever lower extreme fixedly connected with stopper, the carriage release lever has cup jointed the tensioning spring, the both ends of tensioning spring respectively with branch, stopper fixed connection, through being connected rope fixed connection between carriage release lever upper end and the second frame.

In order to protect the connecting rope, furthermore, the supporting rod and the traction frame are rotatably connected with a bearing wheel, and the connecting rope is wound on the bearing wheel.

In order to improve the friction force between the traction wheel and the cable, preferably, anti-slip pads are fixedly connected to the surfaces of the traction wheel and the compression wheel.

Compared with the prior art, the invention provides a cable traction device for electric power construction, which has the following beneficial effects:

1. according to the cable traction device for electric power construction, the height of the traction frame can be flexibly adjusted through the arrangement of the first motor, the two-way screw rod, the sliding block and the adjusting rod, so that the device is suitable for cable traction and laying work at different heights, and the applicability of the device is effectively improved;

2. according to the cable traction device for electric power construction, through the arrangement of the air supply mechanism, the pneumatic telescopic assembly, the second frame and the pressing wheel, the cable and the traction wheel can be tightly attached, the friction force between the cable and the traction wheel is improved, the stability of the cable in traction is ensured, the device can also be used for traction of cables with different thicknesses, and the applicability of the device is further improved;

3. this kind of cable draw gear for electric power construction, through the setting of first sleeve pipe, lifter, diaphragm, second sleeve pipe, gag lever post, spacing awl, rotates when two-way lead screw, when driving the traction frame rebound, alright drive spacing awl downstream this moment, then spacing awl just can inject in soil to alright carry on spacing fixed to the device, the effectual stability that has improved the device.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can be suitable for cable traction and laying work at different heights, the applicability of the device is effectively improved, the cable and the traction wheel can be tightly attached, the stability of the cable in traction is ensured, the device can also be used for traction of cables with different thicknesses, and therefore the device can meet actual working requirements and is suitable for popularization and use.

Drawings

Fig. 1 is a formal diagram of a cable traction device for power construction according to the present invention;

fig. 2 is a schematic structural diagram of a cable traction device for electric power construction according to the present invention;

fig. 3 is a schematic structural view of a first frame, a second motor, a traction wheel and a sprocket in the cable traction device for electric power construction according to the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 2 of a cable traction device for electric power construction according to the present invention;

fig. 5 is a schematic structural view of a portion B in fig. 2 of a cable traction device for electric power construction according to the present invention;

fig. 6 is a schematic structural view of a portion C in fig. 2 of a cable traction device for electric power construction according to the present invention;

fig. 7 is a schematic structural diagram of a support rod, a limiting block, a tension spring and a connecting rope in the cable traction device for electric power construction provided by the invention.

In the figure: 1. moving the base; 101. a groove; 2. a support plate; 3. a traction frame; 4. a first motor; 5. a bidirectional screw rod; 6. a slider; 7. adjusting a rod; 8. a first frame; 9. a traction wheel; 10. a second motor; 11. a sprocket; 12. a non-slip mat; 13. a second frame; 14. a pinch roller; 15. a first gear; 16. a rotating shaft; 17. a second gear; 18. an eccentric wheel; 19. a T-shaped rod; 20. a first cylinder; 21. a first piston rod; 22. an air tube; 23. a second cylinder; 24. a second piston rod; 25. a tension spring; 26. an electromagnetic valve; 27. a guard wheel; 28. a strut; 29. tensioning the spring; 30. a limiting block; 31. connecting ropes; 32. a receiving wheel; 33. a first sleeve; 34. a lifting rod; 35. a transverse plate; 36. a limiting cone; 37. a second sleeve; 38. a limiting rod; 39. rotating the rod; 40. a friction block; 41. a telescoping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 to 7, a cable traction device for electric power construction includes a mobile base 1, and further includes: the support plate 2 is symmetrically and fixedly connected to the movable base 1; the first motor 4 is fixedly connected to the outer side of any one support plate 2; the bidirectional screw rod 5 is rotatably connected between the two support plates 2, and one end, close to the first motor 4, of the bidirectional screw rod is fixedly connected with the output end of the first motor 4; the sliding blocks 6 are symmetrically connected to the movable base 1 in a sliding mode and are in threaded connection with the bidirectional screw rod 5; the traction frame 3 is provided with a wire inlet hole and a wire outlet hole on two sides and is arranged above the support plate 2, and the lower end of the traction frame is rotatably connected with the sliding block 6 through an adjusting rod 7; a first frame 8 fixedly connected to the inner lower end of the traction frame 3; a plurality of traction wheels 9 which are rotationally connected to the first frame 8 at equal intervals; the driving mechanism is used for driving the traction wheel 9 to rotate and is arranged on the first frame 8; the second frame 13 is arranged above the traction frame 3 close to the first frame 8 through a pneumatic telescopic assembly; a plurality of pinch rollers 14 which are rotatably connected to the second frame 13 at equal intervals; the air supply mechanism is arranged at the lower end of the movable base 1 close to the bidirectional screw rod 5 and is connected with two sides of the bidirectional screw rod 5;

the driving mechanism comprises a second motor 10 and a chain wheel 11, the second motor 10 is fixedly connected to the first frame 8, a central rotating shaft of a traction wheel 9 close to the second motor 10 extends out of the first frame 8 and is fixedly connected with the output end of the second motor 10, one ends of the plurality of traction wheels 9 far away from the second motor 10 extend out of the first frame 8, the chain wheel 11 is fixedly connected to one end of the traction wheel 9 far away from the second motor 10, and the plurality of chain wheels 11 are connected through a chain;

the air supply mechanism comprises a first gear 15, a second gear 17, an eccentric wheel 18, a rotating shaft 16, a first air cylinder 20 and a first piston rod 21 with a piston, the first gear 15 is fixedly connected at the position of the two-way screw rod 5 close to the support plate 2, a groove 101 is arranged at the position of the moving base 1 close to the first gear 15, the rotating shaft 16 is rotatably connected in the groove 101, the second gear 17 is fixedly connected at the position of the rotating shaft 16 close to the first gear 15 and is meshed with the first gear 15, the eccentric wheel 18 is fixedly connected at one side of the rotating shaft 16 far away from the second gear 17, a circle of annular T-shaped groove is arranged on the outer wall of the eccentric wheel 18, a T-shaped rod 19 is slidably connected in the annular T-shaped groove, the first air cylinder 20 is fixedly connected at the lower end of the moving base 1 close to the eccentric wheel 18, the first piston rod 21 is slidably connected in the first air cylinder 20, and the upper end of the first piston rod 21 is fixedly connected with the T-shaped rod 19, the air inlet and outlet of the first cylinder 20 are provided with one-way valves, and the air outlet of the first cylinder 20 is connected with the air inlet end of the pneumatic telescopic assembly through an air pipe 22;

pneumatic flexible subassembly includes second cylinder 23, the second piston rod 24 that has the piston, tension spring 25, the inside upper end of second cylinder 23 symmetry fixed connection at

traction frame

3, 24 sliding connection of second piston rod are in second cylinder 23, the lower extreme and the second frame 13 fixed connection of second piston rod 24, tension spring 25 sets up in second cylinder 23, and both ends respectively with the inside upper end of

second cylinder

23, 24 fixed connection of second piston rod, the air inlet of second cylinder 23 is connected with trachea 22's gas outlet, install solenoid valve 26 in the gas outlet of second cylinder 23.

When in use, a worker firstly moves the device to a position appointed by work, wherein, one side of the moving base 1 close to the wire inlet hole of the traction frame 3 is provided with a placing seat, then the worker can place the cable winding wheel on the mounting seat, so that the cable winding wheel can rotate, one side of one end of the cable passes through the wire inlet hole and the wire outlet hole of the traction frame 3, and the cable is positioned on the traction wheel 9, then the first motor 4 can be started, the first motor 4 can drive the bidirectional screw rod 5 to rotate, the bidirectional screw rod 5 can drive the sliding block 6 to mutually approach or separate through the screw thread, then the sliding block 6 can drive the traction frame 3 to carry out vertical height adjustment through the adjusting rod 7, thereby the device can meet the convenience of laying the cable at different heights of the worker, when the cable is not required to be laid at a high position, the cable is dragged to the high position, time and labor are saved, when the bidirectional screw rod 5 rotates, the first gear 15 can be driven to rotate, the first gear 15 drives the second gear 17 to rotate, the second gear 17 drives the rotating shaft 16 to rotate, wherein the diameter of the first gear 15 is three times of that of the second gear 17, so that one rotation of the first gear 15 drives the second gear 17 to rotate for three times, the rotating shaft 16 drives the eccentric wheel 18 to rotate for multiple turns, then the eccentric wheel 18 drives the first piston rod 21 through the T-shaped rod 19 to drive the first cylinder 20 to reciprocate up and down, so that gas is conveyed into the second cylinder 23 through the gas pipe 22, then the second piston rod 24 is pushed by the gas to overcome the tension of the tension spring 25 to move downwards, then the second piston rod 24 drives the second frame 13 to move downwards, and then the pressing wheel 14 moves downwards, with the inseparable contact of cable, thereby alright make cable and 9 inseparable facies subsides of traction wheel, accomplish fixed back to the cable, alright start second motor 10 this moment, second motor 10 just can drive traction wheel 9 and rotate, because sprocket 11 on a plurality of traction wheels 9 passes through the chain and connects, consequently a plurality of traction wheels 9 just can rotate simultaneously, thereby alright pull with the stable transport forward of cable, through air feed mechanism, pneumatic flexible subassembly, pinch roller 14's setting, can make cable inseparable laminate with traction wheel 9 mutually, thereby improve the frictional force between cable and the traction wheel 9, prevent relative slip from appearing between cable and the traction wheel 9, the effectual stability of the device when pulling the cable of having guaranteed, be suitable for and use widely.

Example 2:

referring to fig. 1 to 7, a cable traction apparatus for electric power construction, which is substantially the same as embodiment 1, further includes: one end of the bidirectional screw rod 5, which is far away from the first motor 4, extends out of the support plate 2 and is fixedly connected with a first bevel gear, the position of the movable base 1, which is close to the first bevel gear, is rotatably connected with a first sleeve 33, a second bevel gear meshed with the first bevel gear is fixedly connected on the first sleeve 33, a lifting rod 34 is connected in the first sleeve 33 through threads, the lower end of the lifting rod 34 is fixedly connected with a transverse plate 35, two sides of the transverse plate 35 are slidably connected with limit rods 38, the upper end of each limit rod 38 is fixedly connected with the movable base 1, the upper ends of two sides of the transverse plate 35 are fixedly connected with second sleeves 37, the limit rods 38 are slidably connected in the second sleeves 37, the lower end of the transverse plate 35 is uniformly and fixedly connected with limit cones 36, when the bidirectional screw rod 5 rotates, the first bevel gear is driven to rotate, the first bevel gear drives the first sleeve 33 to rotate through the second bevel gear, the first sleeve 33 drives the lifting rod 34 to move downwards through threads under the matching of the limiting rod 38 and the second sleeve 37, then the lifting rod 34 drives the transverse plate 35 to move downwards, the transverse plate 35 drives the limiting cone 36 to move downwards, and therefore the limiting cone 36 is inserted into soil downwards, the device is limited and fixed, and the stability of the device is effectively improved;

the two sides of the transverse plate 35 are symmetrically and rotatably connected with rotating rods 39, the lower end of each rotating rod 39 is rotatably connected with a friction block 40, the lower end of the transverse plate 35, close to the corresponding rotating rod 39, is fixedly connected with a vertical plate, an expansion spring 41 is fixedly connected between the rotating rods 39 and the vertical plate, when the limiting cone 36 moves downwards, the friction block 40 firstly contacts with the ground, along with the continuous downward movement of the limiting cone 36, the rotating rods 39 can overcome the elastic force of the expansion spring 41 and rotate towards the two sides, then the expansion spring 41 can also provide a pulling force for the rotating rods 39, so that the friction blocks 40 are tightly contacted with the ground, the stabilizing effect on the device is further improved, when the ground is hard, and the limiting cone 36 is inserted into the ground, the limiting and stabilizing effect can be achieved on the device through the arrangement of the rotating rods 39, the friction blocks 40 and the expansion springs 41, and the applicability of the device is effectively improved;

the lower end of the outer side of the traction frame 3, which is close to the wire inlet hole and the wire outlet hole, is rotatably connected with the protective wheel 27, the protective wheel 27 can play a role in protecting the cable, and the cable is prevented from being damaged due to friction with the wire inlet hole and the wire outlet hole when the cable is dragged, so that the protective effect on the cable is effectively improved;

the upper ends of two sides of the traction frame 3 close to the protection wheel 27 are fixedly connected with supporting rods 28, the supporting rods 28 are vertically and slidably connected with moving rods, the lower ends of the moving rods are fixedly connected with limiting blocks 30, tensioning springs 29 are sleeved on the moving rods, two ends of each tensioning spring 29 are respectively fixedly connected with the supporting rods 28 and the limiting blocks 30, the upper ends of the moving rods are fixedly connected with the second frame 13 through connecting ropes 31, when the height of the traction frame 3 is adjusted, the limiting blocks 30 can be tightly attached to cables under the action of the tensioning springs 29, so that the cables are prevented from moving backwards when the traction frame 3 moves upwards, the stability of the cables is effectively improved, when the pressing wheel 14 moves downwards, the second frame 13 can pull the limiting blocks 30 to move upwards through the connecting ropes 31, then the limiting blocks 30 can overcome the tension of the tensioning springs 29 to be separated from the cables, and then the cables can not be limited any more, further, in order to prevent the traction frame 3 from moving upwards, the pressing wheel 14 moves downwards to enable the limiting block 30 to be separated from the cable through the connecting rope 31, a gas storage box can be arranged at the lower end of the movable base 1, so that gas generated by the first air cylinder 20 is conveyed into the gas storage box for storage, and after the traction frame moves in place, the gas storage box supplies gas into the second air cylinder 23, so that the second frame 13 can drive the limiting block 30 to be separated from the cable;

the supporting rod 28 and the traction frame 3 are both rotatably connected with a bearing wheel 32, the connecting rope 31 is wound on the bearing wheel 32, the connecting rope 31 can be protected by the bearing wheel 32, friction between the connecting rope 31 and the traction frame 3 is prevented, the connecting rope 31 is broken, and the service life of the connecting rope 31 is effectively prolonged;

the equal fixedly connected with slipmat 12 in surface of traction wheel 9, pinch roller 14, through the setting of slipmat 12, can improve the frictional force between traction wheel 9, pinch roller 14 and the cable to prevent that traction wheel 9 from skidding, stability when effectual improvement traction cable.

According to the invention, through the arrangement of the first motor 4, the bidirectional screw rod 5, the sliding block 6 and the adjusting rod 7, the height of the traction frame 3 can be flexibly adjusted, so that the device is suitable for cable traction and laying work at different heights, the applicability of the device is effectively improved, through the arrangement of the air supply mechanism, the pneumatic telescopic component, the second frame 13 and the pressing wheel 14, the cable can be tightly attached to the traction wheel 9, the friction force between the cable and the traction wheel 9 is improved, the stability of the cable in traction is ensured, the device can also be used for traction cables with different thicknesses, and the applicability of the device is further improved, so that the device can meet the actual working requirements, and is suitable for popularization and use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a cable draw gear for electric power construction, is including removing base (1), its characterized in that still includes:

the support plate (2) is symmetrically and fixedly connected to the movable base (1);

the first motor (4) is fixedly connected to the outer side of any one of the support plates (2);

the bidirectional screw rod (5) is rotatably connected between the two support plates (2), and one end, close to the first motor (4), of the bidirectional screw rod is fixedly connected with the output end of the first motor (4);

the sliding blocks (6) are symmetrically connected to the moving base (1) in a sliding mode and are in threaded connection with the bidirectional screw rod (5);

the traction frame (3) is provided with a wire inlet hole and a wire outlet hole at two sides and is arranged above the support plate (2), and the lower end of the traction frame is rotatably connected with the sliding block (6) through an adjusting rod (7);

the first frame (8) is fixedly connected to the lower end of the interior of the traction frame (3);

a plurality of traction wheels (9) which are rotationally connected to the first frame (8) at equal intervals;

the driving mechanism is used for driving the traction wheel (9) to rotate and is arranged on the first frame (8);

the second frame (13) is arranged above the traction frame (3) close to the first frame (8) through a pneumatic telescopic assembly;

a plurality of pinch rollers (14) which are rotatably connected to the second frame (13) at equal intervals;

and the air supply mechanism is arranged at the lower end, close to the bidirectional screw rod (5), of the movable base (1) and connected with the two sides of the bidirectional screw rod (5).

2. The cable traction device for power construction as claimed in claim 1, wherein the driving mechanism comprises a second motor (10) and a sprocket (11), the second motor (10) is fixedly connected to the first frame (8), a central rotating shaft of a traction wheel (9) close to the second motor (10) extends out of the first frame (8) and is fixedly connected to an output end of the second motor (10), one ends of the traction wheels (9) far away from the second motor (10) extend out of the first frame (8), the sprocket (11) is fixedly connected to one end of the traction wheel (9) far away from the second motor (10), and the sprockets (11) are connected through a chain.

3. The cable traction device for electric power construction as claimed in claim 1, wherein the gas supply mechanism comprises a first gear (15), a second gear (17), an eccentric wheel (18), a rotating shaft (16), a first cylinder (20), and a first piston rod (21) with a piston, the first gear (15) is fixedly connected to the position of the bidirectional screw rod (5) close to the support plate (2), a groove (101) is formed in the position of the moving base (1) close to the first gear (15), the rotating shaft (16) is rotatably connected in the groove (101), the second gear (17) is fixedly connected to the position of the rotating shaft (16) close to the first gear (15) and is meshed with the first gear (15), the eccentric wheel (18) is fixedly connected to the side of the rotating shaft (16) far away from the second gear (17), a ring-shaped T-shaped groove is formed in the outer wall of the eccentric wheel (18), annular T type inslot sliding connection has T type pole (19), first cylinder (20) fixed connection is at the lower extreme that removes base (1) and is close to eccentric wheel (18), first piston rod (21) sliding connection is in first cylinder (20), first piston rod (21) upper end and T type pole (19) fixed connection, all be equipped with the check valve in the business turn over gas port of first cylinder (20), the gas outlet of first cylinder (20) passes through trachea (22) with the inlet end of pneumatic flexible subassembly and is connected.

4. The cable pulling device for electric power construction as set forth in claim 3, the pneumatic telescopic component comprises a second cylinder (23), a second piston rod (24) with a piston and a tension spring (25), the second air cylinders (23) are symmetrically and fixedly connected with the upper end of the interior of the traction frame (3), the second piston rod (24) is connected in the second cylinder (23) in a sliding way, the lower end of the second piston rod (24) is fixedly connected with the second frame (13), the tension spring (25) is arranged in the second cylinder (23), and both ends are respectively fixedly connected with the inner upper end of the second cylinder (23) and a second piston rod (24), the air inlet of the second air cylinder (23) is connected with the air outlet of the air pipe (22), and an electromagnetic valve (26) is installed in an air outlet of the second air cylinder (23).

5. The cable traction device for electric power construction as claimed in claim 1, wherein one end of the bidirectional screw rod (5) far away from the first motor (4) extends out of the support plate (2) and is fixedly connected with a first bevel gear, the mobile base (1) is rotatably connected with a first sleeve (33) near the first bevel gear, a second bevel gear meshed with the first bevel gear is fixedly connected to the first sleeve (33), a lifting rod (34) is connected to the inside of the first sleeve (33) through a thread, a transverse plate (35) is fixedly connected to the lower end of the lifting rod (34), limiting rods (38) are slidably connected to both sides of the transverse plate (35), the upper ends of the limiting rods (38) are fixedly connected to the mobile base (1), second sleeves (37) are fixedly connected to the upper ends of both sides of the transverse plate (35), and the limiting rods (38) are slidably connected to the inside of the second sleeves (37), the lower end of the transverse plate (35) is uniformly and fixedly connected with a limiting cone (36).

6. The cable traction device for electric power construction according to claim 5, wherein the lateral symmetry of the transverse plate (35) is rotationally connected with a rotating rod (39), the lower end of the rotating rod (39) is rotationally connected with a friction block (40), the lower end of the transverse plate (35) is close to a vertical plate of the rotating rod (39), and a telescopic spring (41) is fixedly connected between the rotating rod (39) and the vertical plate.

7. The cable traction device for electric power construction as claimed in claim 1, wherein the traction frame (3) is rotatably connected with a protection wheel (27) near the outer lower ends of the wire inlet hole and the wire outlet hole.

8. The cable traction device for power construction as claimed in claim 7, wherein two sides of the traction frame (3) are fixedly connected with a support rod (28) near the upper end of the protection wheel (27), a movable rod is vertically and slidably connected to the support rod (28), a limit block (30) is fixedly connected to the lower end of the movable rod, the movable rod is sleeved with a tension spring (29), two ends of the tension spring (29) are fixedly connected with the support rod (28) and the limit block (30), respectively, and the upper end of the movable rod is fixedly connected with the second frame (13) through a connection rope (31).

9. The cable traction device for electric power construction as claimed in claim 8, wherein a receiving wheel (32) is rotatably connected to each of the support rod (28) and the traction frame (3), and the connecting rope (31) is wound on the receiving wheel (32).

10. The cable traction device for electric power construction as claimed in claim 1, wherein the traction wheels (9) and the compression wheels (14) are fixedly connected with anti-skid pads (12) on the surfaces.