CN115303873A

CN115303873A - Paying-off device and method used in wire and cable construction process

Info

Publication number: CN115303873A
Application number: CN202211018210.4A
Authority: CN
Inventors: 曹以松
Original assignee: Sol Group Co ltd
Current assignee: Sol Group Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-08
Anticipated expiration: 2042-08-24
Also published as: CN115303873B

Abstract

The invention relates to the technical field of electric power construction equipment, and discloses a paying-off device and a paying-off method for an electric wire and cable construction process, which solve the problems that a wire roller needs to be lifted by a plurality of people to be aligned to a hole, the physical strength is extremely high, personnel are easily injured, and the practical use is inconvenient; the wire roller is convenient to install, simple and convenient to operate, and the working strength of workers is reduced.

Description

Paying-off device and method used in wire and cable construction process

Technical Field

The invention belongs to the technical field of electric power construction equipment, and particularly relates to a paying-off device and method used in a wire and cable construction process.

Background

The power cable is used for transmitting and distributing electric energy, the power cable is often used for urban underground power grid, power station lead-out line, power supply inside industrial and mining enterprises and power transmission line under river-crossing seawater, the cable comprises one or several insulation package wires, the outside wraps tough outer layer with metal or rubber system again, no matter in indoor or outdoor electric power construction, all need carry out the unwrapping wire to electric wire or cable, so that the staff construction, during the electric wire and cable construction, need pay-off, it is very inconvenient when traditional vehicular pay-off rack changes the line roller, it is to need many people to lift the line roller to the hole, the physical strength expenditure is very big, cause personnel's injury easily, be not convenient for in-service use.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pay-off device and the pay-off method for the wire and cable construction process, and the problems that in the background technology, a wire roller needs to be lifted by a plurality of people to be aligned with a hole, the physical expenditure is extremely large, the personnel are easily injured, and the practical use is inconvenient are effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pay-off for in wire and cable work progress, the on-line screen storage device comprises a base, fixedly connected with backup pad on the base, the top of backup pad is equipped with the rotary disk, rotary disk and backup pad pass through the rotating part and connect, the rectangular hole has been seted up on the rotary disk, one side of rotary disk is equipped with two swing boards, the swing board runs through the rectangular hole, be equipped with in the rectangular hole with swing board matched with rotation unit, be equipped with on the rotary disk with swing board matched with elasticity press the unit, one side that two swing boards kept away from is equipped with splint respectively, spherical groove has been seted up on the splint, fixedly connected with swivel ball on the swing board, and the swivel ball is located spherical groove, one side fixedly connected with curb plate of splint, two movable rods of fixedly connected with on the curb plate, the outside cover of movable rod is equipped with the movable sleeve, the fixedly connected with slider on the movable sleeve, the spout has been seted up on the inner wall of rectangular hole, and the slider is located the spout, be equipped with the ejector pad between two swing boards, the cross section of ejector pad is the isosceles triangle structure, fixedly connected with the support frame on the rotary disk, support frame and ejector pad pass through hydraulic telescoping cylinder connection, be equipped with rotary driving mechanism with support frame in the backup pad, the base passes through the slip connection.

Preferably, the elastic pressing unit comprises a rotating block arranged on one side of the rotating disc, a fixed disc is arranged between the rotating block and the swinging plate, the fixed disc is connected with the swinging plate through a first rotating part, the rotating block is connected with the fixed disc through a telescopic rod, a compression spring is sleeved outside the telescopic rod, two ends of the compression spring are respectively fixedly connected with the rotating block and the fixed disc, and the rotating block and the rotating disc are connected through a second rotating part.

Preferably, the first rotating member includes a first connecting plate fixedly mounted on the fixed disk, two sides of the first connecting plate are respectively provided with a second connecting plate, the second connecting plate is fixedly connected with the swinging plate, and the second connecting plate is rotatably connected with the first connecting plate through a first rotating shaft.

Preferably, the second rotating part comprises third connecting plates symmetrically arranged on two sides of the rotating block, the third connecting plates are fixedly connected with the rotating disc, and the third connecting plates are rotatably connected with the rotating block through a second rotating shaft.

Preferably, the rotating unit comprises third rotating shafts symmetrically arranged on two sides of the swinging plate, the third rotating shafts are fixedly connected with the swinging plate, and the third rotating shafts are connected with the inner wall of the rectangular hole through first bearings.

Preferably, the rotating member comprises a fixing sleeve sleeved outside the rotating disc, the fixing sleeve is connected with the rotating disc through a second bearing, and the support plate is fixedly connected with the fixing sleeve.

Preferably, the rotary driving mechanism comprises a first chain wheel arranged on one side of the support frame, the first chain wheel is connected with the support frame through a connecting column, a motor is arranged on one side of a support plate, the motor is connected with the support plate through a mounting frame, a second chain wheel is fixedly connected with the output end of the motor, and the second chain wheel is connected with the first chain wheel through a chain.

Preferably, the sliding guide comprises a plurality of fixed blocks fixedly installed at the bottom of the movable seat, the bottom of each fixed block is fixedly connected with idler wheels, the idler wheels are in contact with the base, the two sides of the movable seat are respectively provided with a fixed frame, the fixed frames are fixedly connected with the base, guide grooves are formed in the fixed frames, the two sides of the movable seat are respectively fixedly connected with guide blocks, and the guide blocks are located in the guide grooves.

Preferably, flexible unit includes the rectangular ring of fixed mounting at the sliding seat top, is equipped with the supporting shoe in the rectangular ring, supporting shoe and push pedal fixed connection, and the top of sliding seat is equipped with the limiting plate, and the limiting plate runs through supporting shoe and rectangular ring.

The invention also provides a paying-off method used in the construction process of the electric wire and the electric cable, which comprises the paying-off device used in the construction process of the electric wire and the electric cable, and comprises the following steps:

the wire roller wound with the cable is placed on the push plate, and the movable seat is manually driven to slide relative to the base, so that the two clamping plates are inserted into the wire roller;

the hydraulic telescopic cylinder drives the push block to move, so that the push block moves away from the rotating disk, the compression spring is in a compression state, the compression spring drives the swing plates to rotate relative to the rotating disk, the inclination angles of the two swing plates are changed, and one ends, far away from the push block, of the two swing plates respectively drive the two clamping plates to move away;

when the clamping plates move, the side plates drive the movable rods and the movable sleeves to move, so that the sliding blocks slide in the sliding grooves, meanwhile, the clamping plates drive the side plates to move towards the rotating disc, the movable rods slide relative to the movable sleeves, and the inner walls of the wire rollers are supported through the two clamping plates, so that the wire rollers are fixed relative to the two clamping plates;

after the wire roller wound with the cable is fixedly installed, the telescopic unit drives the push plate to move downwards relative to the movable seat, the push plate does not support the wire roller wound with the cable any more, and the influence of the push plate on the rotation of the wire roller wound with the cable is avoided;

the supporting frame is driven to rotate through the rotary driving mechanism, and then the rotary disc drives the clamping plate to rotate, so that the wire roller rotates, and cables wound outside the wire roller are paid off.

Compared with the prior art, the invention has the beneficial effects that:

(1) The wire roller wound with the cable is placed on the push plate, the movable seat is manually driven to slide relative to the base, the two clamp plates are inserted into the wire roller, the push block is driven by the hydraulic telescopic cylinder to move, the push block is far away from the rotating disk to move, the compression spring is in a compression state, the compression spring drives the swinging plates to rotate relative to the rotating disk, the inclination angles of the two swinging plates are changed, one ends, far away from the push block, of the two swinging plates respectively drive the two clamp plates to move away, the side plates drive the movable rod and the movable sleeve to move, the sliding blocks slide in the sliding grooves, the clamp plates drive the side plates to move towards the rotating disk, the movable rod slides relative to the movable sleeve, the inner wall of the wire roller is supported by the two clamp plates, and the wire roller is fixed relative to the two clamp plates;

(2) Through the design of the telescopic unit, the distance between the push plate and the movable seat is adjusted, after the wire roller wound with the cable is fixedly installed, the push plate is driven by the telescopic unit to move downwards relative to the movable seat, the push plate does not support the wire roller wound with the cable any more, the influence of the push plate on the rotation of the wire roller wound with the cable is avoided, the support frame is driven to rotate through the rotary driving mechanism, and then the rotary disc drives the clamping plate to rotate, so that the wire roller rotates, the cable wound outside the wire roller is paid off, the installation of the wire roller is facilitated, the operation is simple and convenient, and the working strength of workers is reduced;

(3) The swinging plate is rotationally connected relative to the rotating disc through the design of the third rotating shaft and the first bearing, and the rotating disc is rotationally connected relative to the supporting plate through the design of the fixed sleeve and the second bearing;

(4) The second chain wheel is driven to rotate by the motor, and the first chain wheel is driven to rotate by the chain, so that the connecting column drives the supporting frame and the rotating disc to rotate, and the wire roller fixed on the clamping plate can rotate;

(5) The utility model discloses a cable roller, including the fixed block, the fixed block is fixed on the movable seat, the design of the relative base of drive movable seat of being convenient for removes, through the mount, the design of guide way and guide block, make the steady removal of movable seat horizontal direction, after the line roller fixed mounting that has the cable when the winding has on splint, the manual drive limiting plate removes, make the limiting plate break away from supporting shoe and rectangular ring, remove the fixed relation between rectangular ring and the supporting shoe, make push pedal and supporting shoe can relative rectangular ring move down, push pedal and supporting shoe move down because self gravity reason this moment, the push pedal no longer supports the line roller that the winding has the cable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic structural view of the stand according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present invention;

FIG. 4 is a schematic view of a rotary member according to the present invention;

FIG. 5 is a schematic view of the construction of the wobble plate and push block combination of the present invention;

FIG. 6 is a schematic structural diagram of an elastic pressing unit according to the present invention;

FIG. 7 is a schematic view of the splint of the present invention;

fig. 8 is a schematic view showing the structure of the slide guide of the present invention.

In the figure: 1. a base; 2. a support plate; 3. rotating the disc; 4. a rectangular hole; 5. a swing plate; 6. a splint; 7. a spherical groove; 8. rotating the ball; 9. a side plate; 10. a support frame; 11. a push block; 12. a hydraulic telescopic cylinder; 13. pushing the plate; 14. a movable seat; 15. a movable rod; 16. a movable sleeve; 17. a slider; 18. a chute; 19. rotating the block; 20. fixing the disc; 21. a telescopic rod; 22. a compression spring; 23. a first connecting plate; 24. a first rotating shaft; 25. a second connecting plate; 26. a third connecting plate; 27. a second rotating shaft; 28. a third rotating shaft; 29. a first bearing; 30. fixing a sleeve; 31. a second bearing; 32. a first sprocket; 33. connecting columns; 34. a motor; 35. a mounting frame; 36. a second sprocket; 37. a chain; 38. a fixed block; 39. a roller; 40. a fixed mount; 41. a guide groove; 42. a guide block; 43. a rectangular ring; 44. a support block; 45. and a limiting plate.

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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 8, the present invention comprises a base 1, a supporting plate 2 is fixedly connected to the base 1, a rotating disc 3 is disposed above the supporting plate 2, the rotating disc 3 and the supporting plate 2 are connected by a rotating member, a rectangular hole 4 is disposed on the rotating disc 3, two swinging plates 5 are disposed on one side of the rotating disc 3, the swinging plates 5 penetrate through the rectangular hole 4, a rotating unit matched with the swinging plates 5 is disposed in the rectangular hole 4, an elastic pressing unit matched with the swinging plates 5 is disposed on the rotating disc 3, clamping plates 6 are disposed on the sides of the two swinging plates 5 far away from each other, spherical grooves 7 are disposed on the clamping plates 6, rotating balls 8 are fixedly connected to the swinging plates 5, the rotating balls 8 are disposed in the spherical grooves 7, and a side plate 9 is fixedly connected to one side of the clamping plates 6, two movable rods 15 of fixedly connected with on the curb plate 9, the outside cover of movable rod 15 is equipped with movable sleeve 16, fixedly connected with slider 17 on the movable sleeve 16, spout 18 has been seted up on the inner wall of rectangular hole 4, and slider 17 is located spout 18, be equipped with ejector pad 11 between two swing plates 5, the cross section of ejector pad 11 is the isosceles triangle structure, fixedly connected with support frame 10 on the rotary disk 3, support frame 10 and ejector pad 11 pass through hydraulic stretching cylinder 12 and connect, be equipped with the rotary driving mechanism with support frame 10 matched with in the backup pad 2, base 1's top is equipped with push pedal 13, the below of push pedal 13 is equipped with sliding seat 14, push pedal 13 and sliding seat 14 pass through flexible unit connection, sliding seat 14 and base 1 pass through the slip guide and connect.

In a second embodiment, based on the first embodiment, as shown in fig. 5 and 6, the elastic pressing unit includes a rotating block 19 disposed on one side of the rotating disc 3, a fixed disc 20 is disposed between the rotating block 19 and the swinging plate 5, the fixed disc 20 and the swinging plate 5 are connected by a first rotating member, the rotating block 19 and the fixed disc 20 are connected by a telescopic rod 21, a compression spring 22 is sleeved outside the telescopic rod 21, two ends of the compression spring 22 are respectively fixedly connected with the rotating block 19 and the fixed disc 20, the rotating block 19 and the rotating disc 3 are connected by a second rotating member, the first rotating member includes a first connecting plate 23 fixedly mounted on the fixed disc 20, two sides of the first connecting plate 23 are respectively provided with a second connecting plate 25, the second connecting plate 25 and the swinging plate 5 are fixedly connected, the second connecting plate 25 and the first connecting plate 23 are rotatably connected by a first rotating shaft 24, the second rotating member includes third connecting plates 26 symmetrically disposed on two sides of the rotating block 19, the third connecting plates 26 and the rotating disc 3 are fixedly connected, and the third connecting plates 26 and the rotating block 19 are rotatably connected by a second rotating shaft 27;

through the design of the first rotating piece, make fixed disk 20 rotate relatively to swing board 5 and connect, through the design of the second rotating piece, make rotatory piece 19 rotate relatively to rotary disk 3 and connect, when two splint 6 peg graft in the line roller, hydraulic pressure telescoping cylinder 12 drive ejector pad 11 removes, make ejector pad 11 keep away from rotary disk 3 and remove, compression spring 22 is in compression state, and then compression spring 22 drive swing board 5 rotates relatively to rotary disk 3, the inclination of two swing boards 5 changes, two splint 6 of one end that two swing boards 5 kept away from ejector pad 11 drive respectively keep away from the removal, and then make curb plate 9 drive movable rod 15 and movable sleeve 16 remove, thereby make slider 17 slide in spout 18, splint 6 drive curb plate 9 move towards rotary disk 3 simultaneously, movable rod 15 slides relatively to movable sleeve 16, support the inner wall of line roller through two splint 6, and then make the line roller fix relatively to two splint 6.

Third embodiment, on the basis of the first embodiment, as shown in fig. 2, 4 and 6, the rotating unit includes third rotating shafts 28 symmetrically disposed on both sides of the swinging plate 5, the third rotating shafts 28 are fixedly connected with the swinging plate 5, the third rotating shafts 28 are connected with the inner wall of the rectangular hole 4 through first bearings 29, the rotating member includes fixing sleeves 30 sleeved outside the rotating disc 3, the fixing sleeves 30 are connected with the rotating disc 3 through second bearings 31, the support plate 2 is fixedly connected with the fixing sleeves 30, the swinging plate 5 is rotatably connected with the rotating disc 3 through the design of the third rotating shafts 28 and the first bearings 29, and the rotating disc 3 is rotatably connected with the support plate 2 through the design of the fixing sleeves 30 and the second bearings 31.

Fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the rotation driving mechanism includes a first sprocket 32 disposed on one side of the support frame 10, the first sprocket 32 is connected to the support frame 10 through a connecting column 33, a motor 34 is disposed on one side of the support plate 2, the motor 34 is connected to the support plate 2 through a mounting frame 35, a second sprocket 36 is fixedly connected to an output end of the motor 34, the second sprocket 36 is connected to the first sprocket 32 through a chain 37, the motor 34 drives the second sprocket 36 to rotate, and further the chain 37 drives the first sprocket 32 to rotate, so that the connecting column 33 drives the support frame 10 and the rotating disc 3 to rotate, and the wire roller fixed on the clamping plate 6 can be rotated.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 8, the sliding guide includes a plurality of fixing blocks 38 fixedly mounted at the bottom of the movable seat 14, rollers 39 are fixedly connected to the bottom of the fixing blocks 38, the rollers 39 contact with the base 1, two sides of the movable seat 14 are respectively provided with a fixing frame 40, the fixing frames 40 are fixedly connected to the base 1, guide grooves 41 are formed in the fixing frames 40, two sides of the movable seat 14 are respectively and fixedly connected with guide blocks 42, the guide blocks 42 are located in the guide grooves 41, the telescopic unit includes a rectangular ring 43 fixedly mounted at the top of the movable seat 14, a support block 44 is arranged in the rectangular ring 43, the support block 44 is fixedly connected to the push plate 13, a limit plate 45 is arranged above the movable seat 14, and the limit plate 45 penetrates through the support block 44 and the rectangular ring 43;

through the design of fixed block 38 and gyro wheel 39, be convenient for drive movable seat 14 removes relative base 1, through mount 40, the design of guide way 41 and guide block 42, make the steady removal of movable seat 14 horizontal direction, after the line roller fixed mounting that the winding has the cable has on splint 6, manual drive limiting plate 45 removes, make limiting plate 45 break away from supporting shoe 44 and rectangular ring 43, remove the fixed relation between rectangular ring 43 and supporting shoe 44, make push pedal 13 and supporting shoe 44 can move down relative rectangular ring 43, push pedal 13 and supporting shoe 44 move down because of self gravity reason this moment, push pedal 13 no longer supports the line roller that the winding has the cable.

The paying-off method for the electric wire and cable construction process comprises the paying-off device for the electric wire and cable construction process, and comprises the following steps:

the wire roller wound with the cable is placed on the push plate 13, and the movable seat 14 is manually driven to slide relative to the base 1, so that the two clamping plates 6 are inserted into the wire roller;

the hydraulic telescopic cylinder 12 drives the push block 11 to move, so that the push block 11 moves away from the rotating disk 3, the compression spring 22 is in a compression state, the compression spring 22 drives the swing plates 5 to rotate relative to the rotating disk 3, the inclination angles of the two swing plates 5 are changed, and one ends of the two swing plates 5, which are away from the push block 11, respectively drive the two clamping plates 6 to move away from each other;

when the clamping plates 6 move, the side plates 9 drive the movable rods 15 and the movable sleeves 16 to move, so that the sliding blocks 17 slide in the sliding grooves 18, meanwhile, the clamping plates 6 drive the side plates 9 to move towards the rotating disk 3, the movable rods 15 slide relative to the movable sleeves 16, the inner walls of the wire rollers are supported through the two clamping plates 6, and the wire rollers are fixed relative to the two clamping plates 6;

after the wire roller wound with the cable is fixedly installed, the telescopic unit drives the push plate 13 to move downwards relative to the movable seat 14, the push plate 13 does not support the wire roller wound with the cable any more, and the influence of the push plate 13 on the rotation of the wire roller wound with the cable is avoided;

the support frame 10 is driven to rotate through the rotary driving mechanism, and then the rotary disc 3 drives the clamping plate 6 to rotate, so that the wire roller rotates, and cables wound outside the wire roller are paid off.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pay-off for in wire and cable work progress, includes base (1), its characterized in that: the base (1) is fixedly connected with a supporting plate (2), a rotating disk (3) is arranged above the supporting plate (2), the rotating disk (3) is connected with the supporting plate (2) through a rotating part, a rectangular hole (4) is formed in the rotating disk (3), two swinging plates (5) are arranged on one side of the rotating disk (3), the rectangular hole (4) is penetrated through by the swinging plates (5), a rotating unit matched with the swinging plates (5) is arranged in the rectangular hole (4), an elastic pressing unit matched with the swinging plates (5) is arranged on the rotating disk (3), a clamping plate (6) is respectively arranged on one side far away from the two swinging plates (5), a spherical groove (7) is formed in the clamping plate (6), a rotating ball (8) is fixedly connected on the swinging plate (5), the rotating ball (8) is positioned in the spherical groove (7), a side plate (9) is fixedly connected on one side of the clamping plate (6), two movable rods (15) are fixedly connected on the side plate (9), a movable sleeve (16) is sleeved with a movable sleeve (16), a sliding block (17) is fixedly connected on the inner wall of the rectangular hole (4), and a sliding block (18) is arranged between the sliding groove (11), the cross section of ejector pad (11) is the isosceles triangle structure, fixedly connected with support frame (10) on rotary disk (3), support frame (10) and ejector pad (11) are connected through hydraulic telescoping cylinder (12), be equipped with on backup pad (2) with support frame (10) matched with rotary driving mechanism, the top of base (1) is equipped with push pedal (13), the below of push pedal (13) is equipped with movable seat (14), push pedal (13) and movable seat (14) are through flexible unit connection, movable seat (14) and base (1) are connected through the sliding guide ware.

2. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the elastic pressing unit comprises a rotating block (19) arranged on one side of the rotating disc (3), a fixed disc (20) is arranged between the rotating block (19) and the swinging plate (5), the fixed disc (20) is connected with the swinging plate (5) through a first rotating piece, the rotating block (19) is connected with the fixed disc (20) through an expansion link (21), a compression spring (22) is sleeved outside the expansion link (21), two ends of the compression spring (22) are respectively fixedly connected with the rotating block (19) and the fixed disc (20), and the rotating block (19) is connected with the rotating disc (3) through a second rotating piece.

3. The pay-off device for wire and cable construction process as claimed in claim 2, wherein: the first rotating part comprises a first connecting plate (23) fixedly mounted on the fixed disc (20), second connecting plates (25) are respectively arranged on two sides of the first connecting plate (23), the second connecting plates (25) are fixedly connected with the swinging plate (5), and the second connecting plates (25) are rotatably connected with the first connecting plate (23) through first rotating shafts (24).

4. The paying-off device for the wire and cable construction process as claimed in claim 2, wherein: the second rotating part comprises third connecting plates (26) symmetrically arranged on two sides of the rotating block (19), the third connecting plates (26) are fixedly connected with the rotating disc (3), and the third connecting plates (26) are rotatably connected with the rotating block (19) through second rotating shafts (27).

5. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the rotating unit comprises third rotating shafts (28) symmetrically arranged on two sides of the swinging plate (5), the third rotating shafts (28) are fixedly connected with the swinging plate (5), and the third rotating shafts (28) are connected with the inner wall of the rectangular hole (4) through first bearings (29).

6. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the rotating part comprises a fixing sleeve (30) sleeved outside the rotating disc (3), the fixing sleeve (30) is connected with the rotating disc (3) through a second bearing (31), and the support plate (2) is fixedly connected with the fixing sleeve (30).

7. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the rotary driving mechanism comprises a first chain wheel (32) arranged on one side of the support frame (10), the first chain wheel (32) is connected with the support frame (10) through a connecting column (33), a motor (34) is arranged on one side of the support plate (2), the motor (34) is connected with the support plate (2) through a mounting frame (35), a second chain wheel (36) is fixedly connected with the output end of the motor (34), and the second chain wheel (36) is connected with the first chain wheel (32) through a chain (37).

8. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the sliding guide device comprises a plurality of fixing blocks (38) fixedly installed at the bottom of the movable seat (14), the bottom of each fixing block (38) is fixedly connected with a roller (39), the rollers (39) are in contact with the base (1), fixing frames (40) are respectively arranged on two sides of the movable seat (14), the fixing frames (40) are fixedly connected with the base (1), guide grooves (41) are formed in the fixing frames (40), guide blocks (42) are fixedly connected to two sides of the movable seat (14) respectively, and the guide blocks (42) are located in the guide grooves (41).

9. The paying-off device for the wire and cable construction process as claimed in claim 1, wherein: the flexible unit includes rectangular ring (43) of fixed mounting at sliding seat (14) top, is equipped with supporting shoe (44) in rectangular ring (43), and supporting shoe (44) and push pedal (13) fixed connection, and the top of sliding seat (14) is equipped with limiting plate (45), and limiting plate (45) run through supporting shoe (44) and rectangular ring (43).

10. A wire laying method for use in a wire and cable construction process, comprising the wire laying device for use in a wire and cable construction process according to claim 2, wherein: the method comprises the following steps:

the wire roller wound with the cable is placed on the push plate (13), and the movable seat (14) is manually driven to slide relative to the base (1) so that the two clamping plates (6) are inserted into the wire roller;

the hydraulic telescopic cylinder (12) drives the push block (11) to move, so that the push block (11) moves away from the rotating disk (3), the compression spring (22) is in a compression state, the compression spring (22) drives the swing plates (5) to rotate relative to the rotating disk (3), the inclination angles of the two swing plates (5) are changed, and one ends, away from the push block (11), of the two swing plates (5) respectively drive the two clamping plates (6) to move away from each other;

when the clamping plates (6) move, the side plates (9) drive the movable rods (15) and the movable sleeves (16) to move, so that the sliding blocks (17) slide in the sliding grooves (18), meanwhile, the clamping plates (6) drive the side plates (9) to move towards the rotating disc (3), the movable rods (15) slide relative to the movable sleeves (16), the inner walls of the wire rollers are supported through the two clamping plates (6), and the wire rollers are fixed relative to the two clamping plates (6);

after the wire roller wound with the cable is fixedly installed, the telescopic unit drives the push plate (13) to move downwards relative to the movable seat (14), the push plate (13) does not support the wire roller wound with the cable any more, and the phenomenon that the push plate (13) influences the rotation of the wire roller wound with the cable is avoided;

the support frame (10) is driven to rotate through the rotary driving mechanism, and then the rotary disc (3) drives the clamping plate (6) to rotate, so that the wire roller rotates, and cables wound outside the wire roller are paid off.