Wire stringing device for electric power engineering construction

Abstract

The invention discloses a stringing device for electric power engineering construction, and relates to the technical field of electric power engineering construction, the stringing device comprises a supporting plate, an L-shaped rod, a triangular plate, a push column and a sliding rod, the supporting plate is slidably mounted in a placement groove, the L-shaped rod is fixedly mounted at the bottom of the supporting plate, and a second sliding groove is formed in the inner wall of a rolling frame; the sliding rod is fixedly installed in the second sliding groove, the triangular plate is slidably installed on the opposite faces of the two rolling frames, the push column is fixedly installed on the face, away from the containing groove, of the triangular plate, the lower shaft is limited, random jumping of the lower shaft is avoided, and tedious steps and a large amount of time consumption in a traditional installation mode are reduced; operation is more standard and rapid, and material loss caused by too long installation time, improper operation and the like can be effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power engineering construction, and specifically relates to a wire stringing device for electric power engineering construction. Background Art

[0002] The wire stringing device for electric power engineering construction is a mechanical device for wire laying and retrieving, aiming to help people better manage cables.

[0003] The patent with the patent announcement number CN219576460U relates to a main body of a wire stringing device for electric power engineering construction. Four walking wheels are rotatably connected to the four corners of the bottom side wall surface of the main body of the wire stringing device for electric power engineering construction. A traction plate is fixedly connected to the front side wall surface of the main body of the wire stringing device for electric power engineering construction. A wire releasing bracket is fixedly connected to the front side position of the top side wall surface of the main body of the wire stringing device for electric power engineering construction. A wire reel roller is arranged inside the wire releasing bracket. A cable is wound around the wire reel roller. An activity groove is opened at the bottom side position of the left side wall surface of the support groove. A wire releasing mechanism is arranged inside the activity groove. The wire releasing mechanism includes an installation slider and a wire releasing wheel. Arc-shaped grooves are opened at the bottom side positions of the inner sides of the two support grooves. By setting the wire releasing mechanism, the automatic wire releasing function of the device for the cable is realized, the manual labor intensity is reduced, and at the same time, it is also convenient to install and disassemble the wire reel roller, improving the wire stringing efficiency of electric power engineering construction.

[0004] In the above patent, by setting the wire releasing mechanism, the automatic wire releasing function of the device for the cable is realized, the manual labor intensity is reduced, and at the same time, it is also convenient to install and disassemble the wire reel roller, improving the wire stringing efficiency of electric power engineering construction. However, there are still problems. When installing the wire reel roller, the installed wire reel roller cannot be effectively limited. When the wire reel roller is quickly wound and released, it is easy to shake, affecting the winding and releasing of the coil. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a wire stringing device for electric power engineering construction, which solves the problems put forward in the above background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions: A wire stringing device for electric power engineering construction includes a base. A rolling frame is slidably installed on the top of the base. Wheels are arranged at the bottom of the base. A square block is fixedly installed on the side of the rolling frame away from the middle position of the base. A first sliding groove is opened on the front surface of the square block. A support plate is slidably installed in the first sliding groove of the square block. A motor is fixedly installed on the top of the support plate. A placement groove is opened inside the rolling frame. A quick installation mechanism is arranged inside the placement groove; Among them, the quick installation mechanism includes a support plate, an L-shaped rod, a triangular plate, a push column and a sliding rod. The support plate is slidably installed inside the placement groove. The L-shaped rod is fixedly installed at the bottom of the support plate. A second sliding groove is formed in the inner wall of the roller frame, and the sliding rod is fixedly installed in the second sliding groove. The triangular plate is slidably installed on the opposite surfaces of the two roller frames. The push column is fixedly installed on the surface of the triangular plate away from the placement groove; Among them, it includes a limiting mechanism for the horizontal placement of the coil and a wire feeding mechanism for restricting wire feeding. When the support plate moves downward, it will drive the L-shaped rod to move downward. When the L-shaped rod moves, it will push the limiting block to move towards the axis. When the limiting block is moving, the sliding rod will release the limit on the limiting block.

[0007] According to the above technical solution, the quick installation mechanism also includes a limiting block, a sliding block and a fixing block. The limiting block is slidably installed in the second sliding groove. The sliding block is slidably installed on the top of the limiting block. The fixing block is fixedly installed inside the placement groove. When the limit of the limiting block is released, it will be pressed downward by the spring above the sliding block. When the sliding block is pressed by the spring, it will move downward to limit the axis below.

[0008] According to the above technical solution, a first spring is arranged between the support plate and the fixing block. The support plate is in contact with the triangular plate. The L-shaped rod is in contact with the limiting block. A second spring is arranged between the sliding block and the second sliding groove. When the limit of the sliding block is released, it will move downward due to the elastic force of the second spring. When the L-shaped rod moves, it will push the limiting block to move towards the axis.

[0009] According to the above technical solution, the limiting mechanism includes a long plate, a limiting plate, an elastic telescopic plate, a gear, a load-bearing block, a roller, a triangular block and an intermediate block. One end of the long plate is slidably installed inside the placement groove. The limiting plate is fixedly installed at the other end of the long plate. The fixed end of the elastic telescopic plate is fixedly installed on the surface of the roller frame close to the square block. The gear is fixedly installed at the output end of the motor. The gear is rotatably connected to the free end of the elastic telescopic plate. The load-bearing block is fixedly installed on the top of the square block. The roller is arranged inside the load-bearing block. The elastic telescopic plate is rotatably connected to the roller. A tooth groove is formed on the circumferential surface of the end of the roller away from the roller frame. The intermediate block is slidably installed on the circumferential surface of the roller. The triangular block is fixedly installed on the top of the intermediate block. When the support plate moves, it will drive the button box to move. When the button box moves but the cover plate is fixedly connected and cannot move, the limit of the cover plate on the button box will be released. When the roller moves towards the roller frame, it will contact the axis of the coil.

[0010] According to the above technical solution, the limiting mechanism further includes an arc plate, a rotating ring, a cover plate and a button box. The arc plate is fixedly installed at the bottom of the middle block. The rotating ring is rotatably installed on one side of the load-bearing block close to the roller frame. The button box is fixedly installed at the top of the support plate. The cover plate is fixedly installed on one side of the square block close to the support plate. Press the button box to start the motor. When the motor starts, it will drive the gear to rotate. When the gear rotates, it will drive the roller to rotate. When the roller rotates, it will drive the arc plate to rotate.

[0011] According to the above technical solution, the tooth grooves on the roller are engaged with the gear. The triangular block is in contact with the rotating ring. The support plate is in contact with the long plate. When the gear rotates, it will drive the roller to rotate. When the roller rotates, it will drive the arc plate to rotate.

[0012] According to the above technical solution, the wire pay-off mechanism includes a rotating column, a horizontal belt, a main shaft, a square column, an inclined belt, a reciprocating lead screw, a moving block, a bottom block, a square frame, an elastic telescopic fixing cover, a round head plate, a movable plate and a fixing plate. The rotating column is rotatably installed on one side of the roller frame close to the rotating ring. The horizontal belt is arranged on the circumferential surface of the rotating column. The square column is fixedly installed at the top of the base. The main shaft is rotatably installed at the top of the square column. The inclined belt is arranged on the circumferential surface of one end of the main shaft close to the roller frame. A long strip placing groove is opened at the top of the base. The reciprocating lead screw is rotatably installed inside the long strip placing groove. The moving block is threadedly connected to the circumferential surface of the reciprocating lead screw. The bottom block is fixedly installed at the bottom of the moving block. The fixed end of the elastic telescopic fixing cover is fixedly installed at the bottom of the base. The square frame is fixedly installed at the bottom of the elastic telescopic fixing cover. One end of the round head plate is fixedly installed at the top of the moving block. A through groove is opened at the other end of the round head plate. The movable plate is rotatably installed on the inner wall of the through groove. The fixing plate is slidably installed on the circumferential surface of the other end of the round head plate. When the elastic telescopic fixing cover moves downward, it will limit the wheel to prevent the wheel from moving randomly during work. At the same time, when the moving block moves, it will drive the round head plate to move.

[0013] According to the above technical solution, the rotating column is in contact with the rotating ring. The bottom block is in contact with the square frame. When the rotating ring rotates, it will drive the rotating column to rotate. When the bottom block moves, it will drive the square frame to move downward.

[0014] The present invention provides a wire stringing device for electric power engineering construction. It has the following beneficial effects: (1) In this invention, when the push column moves, it will push and clamp the coil towards the middle to prevent the coil from moving randomly and causing wear. When the slider is pressed by the spring, it will move downward to limit the shaft below to prevent the shaft below from jumping randomly, reducing the cumbersome steps and a large amount of time consumption in the traditional installation method, making the operation more standardized and rapid, and effectively reducing the material loss caused by reasons such as too long installation time and improper operation.

[0015] (2)In this invention, when the button box moves but the cover plate is fixedly connected and cannot move, the limit of the cover plate on the button box will be released to avoid accidental touch. After the arc-shaped plate clamps and fixes the shaft of the coil, it can ensure that the shaft of the coil is in a horizontal position, avoiding the influence of the coil tilt on subsequent wire pay-out and winding. At the same time, the staff can more intuitively judge whether the wire is paid out smoothly, whether there is entanglement or other abnormal conditions, so as to timely discover problems and take corresponding measures for treatment, which is beneficial to improving the safety and efficiency of construction.

[0016] (3)In this invention, when the elastic telescopic fixing cover moves downward, it will limit the wheels to avoid random movement of the wheels during operation and affecting subsequent work. Therefore, the coil cannot shrink towards the direction close to the roller frame, avoiding affecting the wire on the coil and avoiding the severe shaking of the reel of the wire pay-out frame when the wire retracts, which may cause damage to the bearing of the reel and affect the normal operation of the equipment. It can reduce the equipment maintenance cost and the risk of construction delay. Description of the Drawings

[0017] Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the roller frame and the support plate structure of the present invention; Figure 3 Schematic diagram of the L-shaped rod and the limit block structure of the present invention; Figure 4 Schematic diagram of the motor and the drum structure of the present invention; Figure 5 Schematic diagram of the swivel ring and the swivel column structure of the present invention; Figure 6 Schematic diagram of the elastic telescopic plate and the gear structure of the present invention; Figure 7 Schematic diagram of the base and the round head plate structure of the present invention; Figure 8 Schematic diagram of the base and the elastic telescopic fixing cover structure of the present invention; Figure 9 Schematic diagram of the square frame and the elastic telescopic fixing cover structure of the present invention.

[0018] In the figure: 1, base; 2, rolling frame; 3, wheel; 401, support plate; 402, L rod; 403, triangular plate; 404, push column; 405, slide bar; 406, limit block; 407, slide block; 408, fixed block; 501, long board; 502, limit plate; 503, elastic expansion plate; 504, gear; 505, load-bearing block; 506, roller; 507, triangular block; 508, middle block; 509, arc shaped plate; 510, swivel; 511, cover plate; 512, button box; 6, motor; 7, support plate; 801, rotating column; 802, horizontal belt; 803, main shaft; 804, square column; 805, inclined belt; 806, reciprocating screw rod; 807, moving block; 808, bottom block; 809, square frame; 810, elastic telescopic fixed cover; 811, round head plate; 812, movable plate; 813, fixed plate; 9, square block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1-9 One embodiment of the present invention is: a wire stringing device for electric power engineering construction, comprising a base 1, a roller frame 2 is slidably mounted on the top of the base 1, a wheel 3 is arranged at the bottom of the base 1, a block 9 is fixedly mounted on a side of the roller frame 2 away from the middle position of the base 1, a No. 1 slide groove is arranged on the front of the block 9, a support plate 7 is slidably mounted in the No. 1 slide groove of the block 9, a motor 6 is fixedly mounted on the top of the support plate 7, a placement groove is arranged inside the roller frame 2, and a quick installation mechanism is arranged inside the placement groove; Among them, the quick installation mechanism includes a support plate 401, an L rod 402, a triangular plate 403, a push column 404 and a slide bar 405. The support plate 401 is slidably installed inside the placement groove, the L rod 402 is fixedly installed at the bottom of the support plate 401, a No. 2 slide groove is opened on the inner wall of the roller rack 2, the slide bar 405 is fixedly installed in the No. 2 slide groove, the triangular plate 403 is slidably installed on the opposite surfaces of the two roller racks 2, and the push column 404 is fixedly installed on the side of the triangular plate 403 away from the placement groove to avoid random jumping of the lower axis, reduce the cumbersome steps and a lot of time consumption in the traditional installation method, make the operation more standardized and rapid, and can effectively reduce the material loss caused by long installation time, improper operation and the like.

[0021] The quick installation mechanism also includes a limit block 406, a slider 407, and a fixed block 408. The limit block 406 is slidably installed in the second chute. The slider 407 is slidably installed on the top of the limit block 406. The fixed block 408 is fixedly installed inside the placement groove. When the limit of the limit block 406 is released, it will be pressed downward by the spring above the slider 407. When the slider 407 is pressed by the spring, it will move downward to limit the shaft below.

[0022] A first spring is provided between the support plate 401 and the fixed block 408. The support plate 401 contacts the triangular plate 403. The L-shaped rod 402 contacts the limit block 406. A second spring is provided between the slider 407 and the second chute. When the limit of the slider 407 is released, it will move downward due to the elastic force of the second spring. When the L-shaped rod 402 moves, it will push the limit block 406 to move towards the shaft.

[0023] During the operation of this embodiment: The base 1 is pushed to the designated position by the wheels 3. When the base 1 stops at the designated position, a new coil is placed on the roller frame 2. When the shaft of the coil is placed on the roller frame 2, it will first contact the support plate 401 on the fixed block 408. When the shaft contacts the support plate 401, it will press the support plate 401 to move downward. When the support plate 401 moves downward, it will drive the L-shaped rod 402 to move downward. When the L-shaped rod 402 moves, it will push the limit block 406 to move towards the shaft. During the movement of the limit block 406, the slide rod 405 will release the limit on the limit block 406. When the limit of the limit block 406 is released, it will be pressed downward by the spring above the slider 407. When the slider 407 is pressed by the spring, it will move downward to limit the shaft below, preventing the shaft below from jumping randomly. At the same time, when the support plate 401 moves downward, it will also press the triangular plate 403 to move. When the triangular plate 403 moves, it will push the front push post 404 to move. When the push post 404 moves, it will push and clamp the coil towards the middle to prevent the coil from moving randomly and causing wear.

[0024] Please refer to Figures 1-9, on the basis of the above embodiments, in another embodiment of the present invention, it includes a limiting mechanism for the horizontal placement of the coil and a wire pay-off mechanism for restricting wire pay-off. The limiting mechanism includes a long plate 501, a limiting plate 502, an elastic telescopic plate 503, a gear 504, a load-bearing block 505, a roller 506, a triangular block 507 and an intermediate block 508. One end of the long plate 501 is slidably installed inside the placement groove, the limiting plate 502 is fixedly installed at the other end of the long plate 501, the fixed end of the elastic telescopic plate 503 is fixedly installed on the side of the rolling frame 2 close to the square block 9, the gear 504 is fixedly installed at the output end of the motor 6, and the gear 504 is rotatably connected to the free end of the elastic telescopic plate 503. The load-bearing block 505 is fixedly installed on the top of the square block 9, the roller 506 is arranged inside the load-bearing block 505, the elastic telescopic plate 503 is rotatably connected to the roller 506, a tooth groove is provided on the circumferential surface of one end of the roller 506 away from the rolling frame 2, the intermediate block 508 is slidably installed on the circumferential surface of the roller 506, and the triangular block 507 is fixedly installed on the top of the intermediate block 508, avoiding the influence of the inclined coil on the subsequent wire pay-off and winding. At the same time, the staff can more intuitively judge whether the wire is paid off smoothly, whether there is winding or other abnormal conditions, so as to discover problems in time and take corresponding measures for treatment, which is beneficial to improving the safety and efficiency of construction.

[0025] The limiting mechanism further includes an arc plate 509, a rotating ring 510, a cover plate 511 and a button box 512. The arc plate 509 is fixedly installed at the bottom of the intermediate block 508, the rotating ring 510 is rotatably installed on the side of the load-bearing block 505 close to the rolling frame 2, the button box 512 is fixedly installed on the top of the support plate 7, and the cover plate 511 is fixedly installed on the side of the square block 9 close to the support plate 7. Press the button box 512 to start the motor 6. When the motor 6 starts, it will drive the gear 504 to rotate. When the gear 504 rotates, it will drive the roller 506 to rotate. When the roller 506 rotates, it will drive the arc plate 509 to rotate.

[0026] The tooth groove on the roller 506 meshes with the gear 504, the triangular block 507 contacts the rotating ring 510, and the support plate 401 contacts the long plate 501. When the gear 504 rotates, it will drive the roller 506 to rotate. When the roller 506 rotates, it will drive the arc plate 509 to rotate.

[0027] The wire pay-off mechanism includes a rotating column 801, a horizontal belt 802, a main shaft 803, a square column 804, an inclined belt 805, a reciprocating lead screw 806, a moving block 807, a bottom block 808, a square frame 809, an elastic telescopic fixing cover 810, a round head plate 811, a movable plate 812 and a fixing plate 813. The rotating column 801 is rotatably installed on one side of the rolling frame 2 close to the rotating ring 510. The horizontal belt 802 is arranged on the circumferential surface of the rotating column 801. The square column 804 is fixedly installed on the top of the base 1. The main shaft 803 is rotatably installed on the top of the square column 804. The inclined belt 805 is arranged on the circumferential surface of one end of the main shaft 803 close to the rolling frame 2. A long strip placing groove is formed on the top of the base 1. The reciprocating lead screw 806 is rotatably installed inside the long strip placing groove. The moving block 807 is threadedly connected to the circumferential surface of the reciprocating lead screw 806. The bottom block 808 is fixedly installed at the bottom of the moving block 807. The fixed end of the elastic telescopic fixing cover 810 is fixedly installed at the bottom of the base 1. The square frame 809 is fixedly installed at the bottom of the elastic telescopic fixing cover 810. One end of the round head plate 811 is fixedly installed at the top of the moving block 807. A through groove is formed at the other end of the round head plate 811. The movable plate 812 is rotatably installed on the inner wall of the through groove. The fixing plate 813 is slidably installed on the circumferential surface of the other end of the round head plate 811, which can prevent the reel of the wire pay-off frame from shaking violently when the cable retracts, thus avoiding damage to the bearing of the reel and affecting the normal operation of the equipment, and can reduce the equipment maintenance cost and the risk of construction delay.

[0028] The rotating column 801 contacts the rotating ring 510, and the bottom block 808 contacts the square frame 809. When the rotating ring 510 rotates, it will drive the rotating column 801 to rotate. When the bottom block 808 moves, it will drive the square frame 809 to move downward.

[0029] During the operation of this embodiment: When the pallet 401 moves, it drives the long board 501 to move. When the long board 501 moves, it drives the limit board 502 to move. When the limit board 502 moves, the limit on the elastic telescopic board 503 is released. When the limit on the elastic telescopic board 503 is released, it contracts towards the roller frame 2. When the elastic telescopic board 503 contracts, it drives the roller 506 on the load-bearing block 505, the gear 504, and the motor 6 to move. The movement of the motor 6 is not restricted because the support plate 7 below the motor 6 contracts towards the square block 9. When the support plate 7 moves, it drives the button box 512 to move. When the button box 512 moves, but the cover plate 511 is fixedly connected and cannot move, so the limit of the cover plate 511 on the button box 512 is released. When the roller 506 moves towards the roller frame 2, it contacts the shaft of the coil. At first, the coil pushes the triangular block 507 towards the roller 506. When the roller 506 continues to move towards the roller frame 2, the upper triangular block 507 contacts the rotating ring 510. When the triangular block 507 contacts the rotating ring 510, it drives the triangular block 507 to move downward. When the triangular block 507 moves downward, it drives the middle block 508 to move downward. When the middle block 508 moves downward, it drives the arc-shaped plate 509 to move towards the shaft of the coil, thereby fixing the shaft of the coil. Since the shaft of the coil is generally not smooth, the arc-shaped plate 509 only needs to clamp the shaft of the coil. After the arc-shaped plate 509 clamps and fixes the shaft of the coil, it can ensure that the shaft of the coil is in a horizontal position, avoiding the influence of the inclination of the coil on the subsequent wire feeding and winding. Press the button box 512 to start the motor 6. When the motor 6 starts, it drives the gear 504 to rotate. When the gear 504 rotates, it drives the roller 506 to rotate. When the roller 506 rotates, it drives the arc-shaped plate 509 to rotate. When the arc-shaped plate 509 rotates, it drives the coil to rotate.

[0030] When the swivel ring 510 rotates, it drives the rotating column 801 to rotate. When the rotating column 801 rotates, it drives the horizontal belt 802 to rotate. When the horizontal belt 802 rotates, it drives the main shaft 803 on the square column 804 to rotate. When the main shaft 803 rotates, it drives the inclined belt 805 to rotate. When the inclined belt 805 rotates, it drives the reciprocating lead screw 806 to rotate. When the reciprocating lead screw 806 rotates, it drives the moving block 807 to move reciprocally. When the moving block 807 moves, it drives the bottom block 808 to move. When the bottom block 808 moves, it drives the square frame 809 to move downward. When the square frame 809 moves downward, it drives the elastic telescopic fixing cover 810 to move downward. When the elastic telescopic fixing cover 810 moves downward, it limits the wheel 3 to prevent the wheel 3 from moving randomly during operation. At the same time, when the moving block 807 moves, it drives the round head plate 811 to move. When the round head plate 811 moves, it arranges the placement of the coil for unwinding and winding. When it is determined to unwind the wire, a fixing plate 813 close to the rolling frame 2 is inserted inward. When unwinding the wire, the wire can cause the movable plate 812 to swing outward. However, when the external wire is suddenly cut, the wire will contact the rubber sleeve on the movable plate 812, and the movable plate 812 will be limited by the fixing plate 813. Therefore, the coil cannot contract in the direction close to the rolling frame 2, avoiding affecting the wire on the coil.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An overhead line erection device for electric power engineering construction, comprising a base (1), characterized in that: A roller frame (2) is slidably mounted on the top of the base (1), wheels (3) are provided at the bottom of the base (1), a square block (9) is fixedly mounted on one side of the roller frame (2) away from the middle position of the base (1), a first chute is formed in the front surface of the square block (9), a support plate (7) is slidably mounted in the first chute of the square block (9), a motor (6) is fixedly mounted on the top of the support plate (7), a placement groove is formed inside the roller frame (2), and a quick installation mechanism is arranged inside the placement groove; Among them, the quick installation mechanism includes a support plate (401), an L-shaped rod (402), a triangular plate (403), a push post (404) and a slide rod (405), the support plate (401) is slidably mounted inside the placement groove, the L-shaped rod (402) is fixedly mounted on the bottom of the support plate (401), a second chute is formed in the inner wall of the roller frame (2), the slide rod (405) is fixedly mounted in the second chute, the triangular plate (403) is slidably mounted on the opposite surfaces of the two roller frames (2), and the push post (404) is fixedly mounted on the surface of the triangular plate (403) away from the placement groove; Among them, it includes a limiting mechanism for the horizontal placement of the coil and a wire feeding mechanism for restricting wire feeding.

2. The stringing device for electric power engineering construction according to claim 1, wherein: The quick installation mechanism also includes a limiting block (406), a slider (407) and a fixing block (408), the limiting block (406) is slidably mounted in the second chute, the slider (407) is slidably mounted on the top of the limiting block (406), and the fixing block (408) is fixedly mounted inside the placement groove.

3. The wire stringing device for electric power engineering construction according to claim 2, characterized in that: A first spring is arranged between the support plate (401) and the fixing block (408), the support plate (401) is in contact with the triangular plate (403), the L-shaped rod (402) is in contact with the limiting block (406), and a second spring is arranged between the slider (407) and the second chute.

4. The stringing device for electric power engineering construction according to claim 3, characterized in that: The limiting mechanism includes a long plate (501), a limiting plate (502), an elastic telescopic plate (503), a gear (504), a load-bearing block (505), a roller (506), a triangular block (507) and an intermediate block (508), one end of the long plate (501) is slidably mounted inside the placement groove, the limiting plate (502) is fixedly mounted at the other end of the long plate (501), the fixed end of the elastic telescopic plate (503) is fixedly mounted on the surface of the roller frame (2) close to the square block (9), the gear (504) is fixedly mounted on the output end of the motor (6), the gear (504) is rotatably connected to the free end of the elastic telescopic plate (503), the load-bearing block (505) is fixedly mounted on the top of the square block (9), the roller (506) is arranged inside the load-bearing block (505), the elastic telescopic plate (503) is rotatably connected to the roller (506), a tooth groove is formed on the circumferential surface of one end of the roller (506) away from the roller frame (2), the intermediate block (508) is slidably mounted on the circumferential surface of the roller (506), and the triangular block (507) is fixedly mounted on the top of the intermediate block (508).

5. The stringing device for electric power engineering construction according to claim 4, characterized in that: The limiting mechanism further includes an arc-shaped plate (509), a rotating ring (510), a cover plate (511), and a button box (512). The arc-shaped plate (509) is fixedly installed at the bottom of the middle block (508). The rotating ring (510) is rotatably installed on one side of the load-bearing block (505) close to the rolling frame (2). The button box (512) is fixedly installed on the top of the support plate (7). The cover plate (511) is fixedly installed on one side of the square block (9) close to the support plate (7).

6. The stringing device for electric power engineering construction according to claim 5, characterized in that: The tooth grooves on the drum (506) are engaged with the gear (504). The triangular block (507) is in contact with the rotating ring (510). The support plate (401) is in contact with the long plate (501).

7. An overhead line device for electric power engineering construction according to claim 6, characterized in that: The wire pay-off mechanism includes a rotating column (801), a horizontal belt (802), a main shaft (803), a square column (804), an inclined belt (805), a reciprocating lead screw (806), a moving block (807), a bottom block (808), a square frame (809), an elastic telescopic fixed cover (810), a round head plate (811), a movable plate (812), and a fixed plate (813). The rotating column (801) is rotatably installed on one side of the rolling frame (2) close to the rotating ring (510). The horizontal belt (802) is arranged on the circumferential surface of the rotating column (801). The square column (804) is fixedly installed on the top of the base (1). The main shaft (803) is rotatably installed on the top of the square column (804). The inclined belt (805) is arranged on the circumferential surface of one end of the main shaft (803) close to the rolling frame (2). A long strip placement groove is formed on the top of the base (1). The reciprocating lead screw (806) is rotatably installed inside the long strip placement groove. The moving block (807) is threadedly connected to the circumferential surface of the reciprocating lead screw (806). The bottom block (808) is fixedly installed at the bottom of the moving block (807). The fixed end of the elastic telescopic fixed cover (810) is fixedly installed at the bottom of the base (1). The square frame (809) is fixedly installed at the bottom of the elastic telescopic fixed cover (810). One end of the round head plate (811) is fixedly installed on the top of the moving block (807). A through groove is formed at the other end of the round head plate (811). The movable plate (812) is rotatably installed on the inner wall of the through groove. The fixed plate (813) is slidably installed on the circumferential surface of the other end of the round head plate (811).

8. The stringing device for electric power engineering construction according to claim 7, characterized in that: The rotating column (801) is in contact with the rotating ring (510). The bottom block (808) is in contact with the square frame (809).

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