Power cable stranding device

Abstract

The present invention discloses a power cable twisting device, which relates to the technical field of twisting machines. The device drives gear B to move, and when gear B moves, gear C is driven to rotate. When gear C rotates, gear A on a force plate is driven to rotate through a connecting rod. When gear C rotates, the small shaft is driven to rotate. When the small shaft rotates, the elliptical ring is driven to move up and down. When the elliptical ring moves up and down, the plug rod is driven to move up and down. When the plug rod moves in the piston chamber, lubricating oil is moved from the oil barrel to the discharge box through the feed pipe. When gear C rotates, the small shaft is driven to rotate. When the gear is in continuous motion, due to lubrication, the gear surface will not be fatigued due to long-term friction and wear, resulting in gear failure, and the gear can be effectively protected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stranding machines, in particular to a power cable stranding device. BACKGROUND

[0002] The power cable stranding device is a device specially used for stranding some wires, aiming at mechanically stranding some wires that are difficult to be stranded by manpower and winding and stranding the conductor, insulating layer and sheath of the cable to form the final structure of the power cable.

[0003] The patent with the patent announcement number CN212675985U relates to a first stand, a second stand and a baffle, the front of the first stand and the front of the second stand are both fixedly provided with a fixed plate, the bottom end of the first stand and the bottom end of the second stand are both fixedly provided with a supporting block, the bottom end of the two supporting blocks is fixedly provided with a mounting mechanism, the side of the two supporting blocks is provided with a first clamping groove, the top of the side of the first stand and the top of the side of the second stand are both provided with a second clamping groove; the beneficial effects of the patent are that the stranding machine stranding frame device for power cable production is provided with first clamping blocks on the two sides of the bottom end of the baffle and second clamping blocks on the top of the two sides of the baffle, the two first clamping blocks and the two second clamping blocks are respectively connected with the two first clamping grooves and the two second clamping grooves through clamping connection, which can limit the top and the bottom of the two sides of the baffle, and is convenient for mounting and dismounting the baffle.

[0004] In the above patent, the first clamping blocks are arranged on the two sides of the bottom end of the baffle, the second clamping blocks are arranged on the top of the two sides of the baffle, the two first clamping blocks and the two second clamping blocks are respectively connected with the two first clamping grooves and the two second clamping grooves through clamping connection, which can limit the top and the bottom of the two sides of the baffle, and is convenient for mounting and dismounting the baffle, but there are still some problems, when the wire feeding gear at the front end of the motor rotates, a great force will be generated on the gear, when the gear is used for a long time without lubrication, the gear is prone to aging and gear tooth breakage, and when the aged gear continues to be used, it will affect the stranding and personal safety. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a power cable stranding device to solve the problems in the background art.

[0006] To achieve the above purpose, the present application is implemented through the following technical scheme: a power cable stranding device, comprising a rack, a rear cover is fixedly installed at the inner rear end of the rack, a motor is fixedly installed at the top of the rear cover, a force plate is fixedly installed at the inner right side of the rack, a limiting mechanism is arranged at the left side of the force plate, a lubricating mechanism is arranged at the left side of the force plate, a gear Q is rotatably installed at the right side of the force plate, and a compaction mechanism is arranged on the front of the inner part of the rack.

[0007] The lubricating mechanism comprises a gear A, a gear B, a connecting rod, a gear C, a small shaft, an oval ring, a plug rod, a material conveying pipe, a long plate, a push rod, a discharge box, a wiping plate, an oil drum and a piston chamber, the gear A is rotatably installed on the right side surface of the force plate, one end of the connecting rod is fixedly installed on the surface of the gear A, the gear C is fixedly installed on the other end of the connecting rod, the gear B is fixedly installed on the output end of the motor, the small shaft is fixedly installed on the side of the gear C away from the gear A, the discharge box is fixedly installed on the right top of the force plate, a small hole is formed in the bottom of the end of the discharge box close to the force plate, the oil drum is fixedly installed on the front of the rack, one end of the material conveying pipe is fixedly installed on the top of the oil drum, the piston chamber is fixedly installed on the end of the discharge box away from the force plate, the other end of the piston chamber is fixedly installed with the other end of the material conveying pipe, the other end of the piston chamber is slidably installed with one end of the plug rod, the oval ring is fixedly installed on the other end of the plug rod, the oval ring is slidably installed with the small shaft, one end of the long plate is fixedly installed on the bottom of the oval ring, one end of the push rod is rotatably installed on the other end of the long plate, the wiping plate is rotatably installed on the other end of the push rod, when the gear C rotates, the small shaft rotates, when the small shaft rotates, the oval ring moves up and down, when the oval ring moves up and down, the plug rod moves up and down in the piston chamber.

[0008] According to the above technical scheme, the gear B is engaged with the gear C, a hole is formed in the top of the piston chamber, the gear B moves to drive the gear C to rotate, and the hole above the piston chamber flows the lubricating oil into the discharge box.

[0009] According to the above technical scheme, the other end of the material conveying pipe away from the piston chamber is at the bottom of the oil drum, and the bottom of the wiping plate is provided with a soft sponge, so that the lubricating oil can be sucked upward without being affected by air when the material conveying pipe is at the bottom.

[0010] According to the technical scheme, the compacting mechanism comprises a round rod, an A elliptical ring, a small straight rod, a gear D, a rack, a plate, a triangular plate, an L ladder plate, a position plate, a clamping plate and a sliding block, the plate is fixedly installed on the left side of the long plate, one end of the round rod is fixedly installed on one side of the plate close to the rack, the A elliptical ring is fixedly installed on the other end of the round rod, the small straight rod is slidingly installed in the inside of the A elliptical ring, the gear D is rotatably installed on the front surface of the inner wall of the rack, the small straight rod is fixedly installed on one side of the gear D close to the long plate, the rack is slidingly installed in the No.1 sliding slot of the inner wall of the rack, the middle part of the rack is provided with an opening, the triangular plate is fixedly installed on one end of the rack away from the long plate, the position plate is fixedly installed in the middle of the inside of the rack, the sliding slots are formed in the two sides of the position plate, the L ladder plate is slidingly installed in the sliding slot of the position plate, the clamping plate is fixedly installed on the top of the L ladder plate, and the sliding block is fixedly installed in the inside of the clamping plate, when the round rod moves, the A elliptical ring moves, when the A elliptical ring moves, the small straight rod moves, when the small straight rod moves, the gear D rotates, and when the gear D rotates, the rack moves.

[0011] According to the technical scheme, the triangular plate is in contact with the L ladder plate, the gear D is in mesh with the rack, and the sliding block above the L ladder plate is pushed to the middle through the movement of the L ladder plate.

[0012] According to the technical scheme, the width of the A elliptical ring is the same as the diameter of the gear D, and the two sliding blocks are not in contact, and the wire is secondarily extruded when passing between the two sliding blocks.

[0013] According to the above technical scheme, the limiting mechanism comprises a huge gear, a gear E, a rod-shaped column, a rotating ring, a connecting column, an I-shaped column, a U-shaped plate, a pressing block, a stop block, an L thin rod, a telescopic rod and a telescopic plugboard, the huge gear is rotatably installed on the left side of the force plate, the gear E is slidably installed in the sliding groove of the force plate, one end of the connecting column is fixedly installed on the front face of the gear E, the rod-shaped column is rotatably installed on the circumferential face of the connecting column, the rotating ring is fixedly installed on the circumferential face of the connecting column, the rotating ring is provided with a second sliding groove, the second sliding groove penetrates the rotating ring near one end of the connecting column, the U-shaped plate is fixedly installed on the other end of the connecting column, the inner wall of the U-shaped plate is provided with a third sliding groove and a fifth sliding groove, the I-shaped column is rotatably installed in the interior of the U-shaped plate, the circular plate at both ends of the I-shaped column is provided with a fourth sliding groove, the fourth sliding groove penetrates the circular plate at the middle position, the pressing block is slidably installed in the fourth sliding groove of the I-shaped column, the stop block is fixedly installed on the exterior of the I-shaped column, the L thin rod is slidably installed in the third sliding groove of the inner wall of the U-shaped plate, the telescopic rod is slidably installed in the fifth sliding groove of the inner wall of the U-shaped plate, one end of the telescopic rod is fixedly installed on the end of the L thin rod near the rotating ring, one end of the telescopic plugboard is slidably installed in the sliding groove penetration end of the inner wall of the U-shaped plate, the other end of the telescopic plugboard is slidably installed in the second sliding groove of the rotating ring, when the huge gear rotates, the gear E rotates, when the gear E rotates, the connecting column rotates, when the connecting column rotates, the rotating ring and the rod-shaped column rotate.

[0014] According to the above technical scheme, a first spring is arranged between the stop block and the pressing block, the huge gear is engaged with the gear E, and the pressing block is pressed against the stop block to limit the whole.

[0015] According to the above technical scheme, the rotating ring is attached to the rod-shaped column, a second spring is arranged in the telescopic rod, and a third spring is arranged in the telescopic plugboard, the spring pulls the telescopic rod to prevent the telescopic rod from failing to reset.

[0016] The application provides a power cable stranding device.

[0017] (1) When the gear B moves, the gear C rotates, the gear A on the force plate rotates through the connecting rod, the small shaft rotates when the gear C rotates, and the gear surface is not fatigued due to long-time friction and abrasion because of lubrication, so that the gear is effectively protected.

[0018] (2) When the plate moves, the circular rod moves, the A elliptical ring moves, the small straight rod moves, the material that has been stranded is compacted again, the stranded material is prevented from being compressed loosely, the load-bearing capacity of the structure is prevented from being reduced, the expected mechanical load is prevented from being unable to be borne, and the failure risk is reduced.

[0019] (3) the law, when the U-shaped plate will turn will bring the I column rotation, when the I column rotation will bring the block and block movement, when the U-shaped plate will turn will bring L thin rod movement, when L thin rod movement will bring telescopic rod movement, avoid when need to carry out the coil of twisted wire has been about to be wound up, will last line throw out, cause damage to the surrounding machine and staff, at the same time can prevent the front has been wound up line is loose. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the application;

[0021] Figure 2 It is the specific structure schematic diagram of the application;

[0022] Figure 3 It is the lubricating mechanism structure schematic diagram of the application;

[0023] Figure 4 It is the application Figure 3 It is the A part structure enlarged schematic diagram of the application;

[0024] Figure 5 It is the compaction mechanism structure schematic diagram of the application;

[0025] Figure 6 It is the restriction mechanism structure schematic diagram of the application;

[0026] Figure 7 It is the rod-shaped column and U-shaped plate structure schematic diagram of the application.

[0027] In the drawing: 1, rack;2, motor;301, gear A;302, gear B;303, connecting rod;304, gear C;305, small shaft;306, oval ring;307, plug rod;308, feed pipe;309, long plate;310, push rod;311, discharge box;312, wiping plate;313, oil drum;314, piston chamber;401, round rod;402, A ellipse ring;403, small straight rod;404, gear D;405, rack;406, plus plate;407, triangular plate;408, L ladder plate;409, position plate;410, clamping plate;411, sliding block;501, huge gear;502, gear E;503, rod-shaped column;504, rotating ring;505, connecting column;506, I column;507, U-shaped plate;508, pressing block;509, block;510, L thin rod;511, telescopic rod;512, telescopic plugboard;6, force plate;7, rear cover;8, gear Q. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0029] Please refer to Figures 1-7 The utility cable stranding device comprises a rack 1, a rear cover 7 fixedly installed at the inner rear end of the rack 1, a motor 2 fixedly installed at the top of the rear cover 7, a force plate 6 fixedly installed at the inner right side of the rack 1, a limiting mechanism arranged at the left side of the force plate 6, a lubricating mechanism arranged at the left side of the force plate 6, a gear Q8 rotationally installed at the right side of the force plate 6, and a compaction mechanism arranged at the front face of the rack 1.

[0030] The lubricating mechanism comprises a gear A301, a gear B302, a connecting rod 303, a gear C304, a small shaft 305, an oval ring 306, a plug rod 307, a conveying pipe 308, a long plate 309, a push rod 310, a discharging box 311, a wiping plate 312, an oil tank 313, and a piston chamber 314. The gear A301 is rotationally installed at the right side surface of the force plate 6. One end of the connecting rod 303 is fixedly installed at the surface of the gear A301. The gear C304 is fixedly installed at the other end of the connecting rod 303. The gear B302 is fixedly installed at the output end of the motor 2. The small shaft 305 is fixedly installed at the side of the gear C304 away from the gear A301. The discharging box 311 is fixedly installed at the right top of the force plate 6. A small hole is formed at the bottom of the end of the discharging box 311 close to the force plate 6. The oil tank 313 is fixedly installed at the front face of the rack 1. One end of the conveying pipe 308 is fixedly installed at the top of the oil tank 313. The piston chamber 314 is fixedly installed at the end of the discharging box 311 away from the force plate 6. The other end of the piston chamber 314 is fixedly installed with the other end of the conveying pipe 308. The other end of the piston chamber 314 is slidingly installed with one end of the plug rod 307. The oval ring 306 is fixedly installed at the other end of the plug rod 307. The oval ring 306 is slidingly installed with the small shaft 305. One end of the long plate 309 is fixedly installed at the bottom of the oval ring 306. One end of the push rod 310 is rotationally installed at the other end of the long plate 309. The wiping plate 312 is rotationally installed at the other end of the push rod 310. When the gears are continuously moved, the gears will not be fatigued due to long-time friction and abrasion and will not be failed because of lubrication, so that the gears can be effectively protected.

[0031] The gear B302 is engaged with the gear C304. A hole is formed at the top of the piston chamber 314. The gear B302 will drive the gear C304 to rotate when the gear B302 is moved. The hole at the top of the piston chamber 314 will flow the lubricating oil into the discharging box 311.

[0032] The end of the material conveying pipe 308 away from the piston bin is at the bottom of the oil tank 313, and a soft sponge is installed at the bottom of the wiping plate 312 to avoid the influence of air on the upward suction of lubricating oil when the material conveying pipe 308 is at the bottom.

[0033] The compaction mechanism comprises a round rod 401, an A elliptical ring 402, a small straight rod 403, a gear D 404, a rack 405, an added plate 406, a triangular plate 407, an L ladder plate 408, a position plate 409, a clamping plate 410, and a sliding block 411. The added plate 406 is fixedly installed on the left side of the long plate 309, one end of the round rod 401 is fixedly installed on one side of the added plate 406 close to the rack 1, the A elliptical ring 402 is fixedly installed on the other end of the round rod 401, the small straight rod 403 is slidingly installed in the inside of the A elliptical ring 402, the gear D 404 is rotatably installed on the front face of the inner wall of the rack 1, the small straight rod 403 is fixedly installed on one side of the gear D 404 close to the long plate 309, the rack 405 is slidingly installed in the No. 1 sliding slot of the inner wall of the rack 1, the middle part of the rack 405 is provided with an air gap, the triangular plate 407 is fixedly installed on the end of the rack 405 away from the long plate 309, the position plate 409 is fixedly installed in the middle of the inside of the rack 1, the position plate 409 is provided with sliding slots on both sides, the L ladder plate 408 is slidingly installed in the sliding slot of the position plate 409, the clamping plate 410 is fixedly installed on the top of the L ladder plate 408, and the sliding block 411 is fixedly installed in the inside of the clamping plate 410. The already twisted material is compacted again to avoid the compression of the twisted material being not tight, resulting in the decrease of the load-bearing capacity of the structure and the inability to withstand the expected mechanical load, thereby reducing the risk of failure.

[0034] The triangular plate 407 is in contact with the L ladder plate 408, the gear D 404 is in mesh with the rack 405, and the movement of the L ladder plate 408 will push the sliding block 411 above to the middle.

[0035] The width of the A elliptical ring 402 is the same as the diameter of the gear D 404, and the two sliding blocks 411 are not in contact, and the wire is subjected to secondary extrusion when passing between the two sliding blocks 411.

[0036] The limiting mechanism comprises a huge gear 501, a gear E 502, a rod-shaped column 503, a rotating ring 504, a connecting column 505, an I-shaped column 506, a U-shaped plate 507, a pressing block 508, a blocking block 509, an L-shaped thin rod 510, an extension rod 511 and an extension plug plate 512, the huge gear 501 is rotatably installed on the left side of the force plate 6, the gear E 502 is slidably installed in the sliding groove of the force plate 6, one end of the connecting column 505 is fixedly installed on the front face of the gear E 502, the rod-shaped column 503 is rotatably installed on the circumferential face of the connecting column 505, the rotating ring 504 is fixedly installed on the circumferential face of the connecting column 505, a second sliding groove is formed in the rotating ring 504, the second sliding groove penetrates through the rotating ring 504 near one end of the connecting column 505, the U-shaped plate 507 is fixedly installed on the other end of the connecting column 505, a third sliding groove and a fifth sliding groove are formed in the inner wall of the U-shaped plate 507, the I-shaped column 506 is rotatably installed in the U-shaped plate 507, a fourth sliding groove is formed in the circular plate at both ends of the I-shaped column 506, the fourth sliding groove penetrates through the circular plate at the middle position, the pressing block 508 is slidably installed in the fourth sliding groove of the I-shaped column 506, the blocking block 509 is fixedly installed on the outside of the I-shaped column 506, the L-shaped thin rod 510 is slidably installed in the third sliding groove of the inner wall of the U-shaped plate 507, the extension rod 511 is slidably installed in the fifth sliding groove of the inner wall of the U-shaped plate 507, one end of the extension rod 511 is fixedly installed on the end of the L-shaped thin rod 510 close to the rotating ring 504, one end of the extension plug plate 512 is slidably installed in the sliding groove penetrating end of the inner wall of the U-shaped plate 507, the other end of the extension plug plate 512 is slidably installed in the second sliding groove of the rotating ring 504, so as to avoid that when the coil of the twisted wire needs to be wound, the last wire is thrown out to damage the surrounding machines and workers, and the wound wire in front can also be prevented from being loosened.

[0037] A first spring is arranged between the blocking block 509 and the pressing block 508, the huge gear 501 is engaged with the gear E 502, and the pressing block 508 is pressed to limit the whole when the blocking block 509 is pressed.

[0038] The rotating ring 504 is attached to the rod-shaped column 503, a second spring is arranged in the extension rod 511, and a third spring is arranged in the extension plug plate 512, the spring pulls the extension rod 511 to prevent it from being unable to reset.

[0039] When working: put the frame 1 accurately, put the coil into the I column 506 in the limiting mechanism, start the motor 2 above the back cover 7, when the motor 2 starts, gear B 302 will move, when gear B 302 moves, gear C 304 will rotate, when gear C 304 rotates, gear A 301 on the force plate 6 will rotate through the connecting rod 303, when gear C 304 rotates, the small shaft 305 will rotate, when the small shaft 305 rotates, the oval ring 306 will move up and down, when the oval ring 306 moves up and down, the plug rod 307 will move up and down, when the plug rod 307 moves in the piston bin 314, the lubricating oil will move from the oil drum 313 to the discharge box 311 through the feed pipe 308, when the oval ring 306 moves, the long plate 309 will move, when the long plate 309 moves, the push rod 310 below will move, when the push rod 310 moves, the lower wiping plate 312 will move, and the excess lubricating oil below will be wiped off.

[0040] When the long plate 309 moves, the plus plate 406 will move, when the plus plate 406 moves, the round rod 401 will move, when the round rod 401 moves, the A elliptical ring 402 will move, when the A elliptical ring 402 moves, the small straight rod 403 will move, when the small straight rod 403 moves, the gear D 404 will rotate, when the gear D 404 rotates, the rack 405 will move, when the rack 405 moves, the triangular plate 407 will move, when the triangular plate 407 moves, the L ladder plate 408 will be extruded, when the L ladder plate 408 moves, the clamping plate 410 above the position plate 409 will be extruded, when the clamping plate 410 moves, the sliding block 411 will move, and the twisted wire will be compacted.

[0041] When gear A 301 rotates, gear Q8 will rotate, when gear Q8 rotates, the huge gear 501 will rotate, when the huge gear 501 rotates, the gear E 502 will rotate, when the gear E 502 rotates, the connecting column 505 will rotate, when the connecting column 505 rotates, the rotating ring 504 and the bar column 503 will rotate, when the rotating ring 504 moves, the telescopic plug plate 512 will move, when the connecting column 505 rotates, the U-shaped plate 507 will rotate, when the U-shaped plate 507 rotates, the I column 506 will rotate, when the I column 506 rotates, the pressing block 508 and the stop block 509 will move, when the U-shaped plate 507 rotates, the L thin rod 510 will move, when the L thin rod 510 moves, the telescopic rod 511 will move.

[0042] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A power cable twisting device, comprising a frame (1), characterized in that: A rear cover (7) is fixedly mounted on the rear end of the frame (1), a motor (2) is fixedly mounted on the top of the rear cover (7), a force plate (6) is fixedly mounted on the right side of the frame (1), a limiting mechanism is provided on the left side of the force plate (6), a lubrication mechanism is provided on the left side of the force plate (6), a gear Q (8) is rotatably mounted on the right side of the force plate (6), and a compacting mechanism is provided on the front side of the frame (1); The lubricating mechanism comprises a gear A (301), a gear B (302), a connecting rod (303), a gear C (304), a small shaft (305), an elliptical ring (306), a plug rod (307), a feeding pipe (308), a long plate (309), a push rod (310), a discharge box (311), a wiper plate (312), an oil barrel (313) and a piston chamber (314), wherein the gear A (301) is rotatably mounted on the right side surface of the force plate (6), one end of the connecting rod (303) is fixedly mounted on the surface of the gear A (301), the gear C (304) is fixedly mounted on the other end of the connecting rod (303), the gear B (302) is fixedly mounted on the output end of the motor (2), the small shaft (305) is fixedly mounted on the side of the gear C (304) away from the gear A (301), the discharge box (311) is fixedly mounted on the top right side of the force plate (6), and the discharge A small hole is provided at the bottom of one end of the box (311) close to the force plate (6); the oil barrel (313) is fixedly mounted on the front of the frame (1); one end of the feed pipe (308) is fixedly mounted on the top of the oil barrel (313); the piston chamber (314) is fixedly mounted on the end of the discharge box (311) away from the force plate (6); the top of the piston chamber (314) is fixedly mounted on the other end of the feed pipe (308); the other end of the piston chamber (314) is slidably mounted on one end of the plug rod (307); the elliptical ring (306) is fixedly mounted on the other end of the plug rod (307); the elliptical ring (306) is slidably mounted on the small shaft (305); one end of the long plate (309) is fixedly mounted on the bottom of the elliptical ring (306); one end of the push rod (310) is rotatably mounted on the other end of the long plate (309); and the wiper plate (312) is rotatably mounted on the other end of the push rod (310).

2. A power cable twisting device according to claim 1, characterized in that: The gear B (302) is meshed with the gear C (304), and a hole is formed on the top of the piston chamber (314).

3. The power cable twisting device according to claim 2, characterized in that: The end of the feeding pipe (308) away from the piston chamber is at the bottom of the oil barrel (313), and a soft sponge is installed at the bottom of the wiping plate (312).

4. The power cable twisting device according to claim 3, characterized in that: The compacting mechanism comprises a round rod (401), an elliptical ring A (402), a small straight rod (403), a gear D (404), a rack (405), an adding plate (406), a triangular plate (407), an L ladder plate (408), a position plate (409), a clamping plate (410) and a sliding block (411), wherein the adding plate (406) is fixedly mounted on the left side of the long plate (309), one end of the round rod (401) is fixedly mounted on a side of the adding plate (406) close to the frame (1), the elliptical ring A (402) is fixedly mounted on the other end of the round rod (401), the small straight rod (403) is slidably mounted inside the elliptical ring A (402), and the gear D (404) is rotatably mounted on the inner wall of the frame (1). The small straight rod (403) is fixedly mounted on a side of the gear D (404) close to the long plate (309), the rack (405) is slidably mounted in the No. 1 slide groove on the inner wall of the frame (1), the middle of the rack (405) is provided with an opening, the triangular plate (407) is fixedly mounted on the end of the rack (405) away from the long plate (309), the position plate (409) is fixedly mounted in the middle of the frame (1), slide grooves are provided on both sides of the position plate (409), the L ladder plate (408) is slidably mounted in the slide groove of the position plate (409), the clamping plate (410) is fixedly mounted on the top of the L ladder plate (408), and the sliding block (411) is fixedly mounted inside the clamping plate (410).

5. The power cable twisting device according to claim 4, characterized in that: The triangular plate (407) contacts the L ladder plate (408), and the gear D (404) meshes with the rack (405).

6. The power cable twisting device according to claim 5, characterized in that: The width of the A elliptical ring (402) is the same as the diameter of the gear D (404), and the two sliding blocks (411) do not contact each other.

7. The power cable twisting device according to claim 6, characterized in that: The limiting mechanism comprises a giant gear (501), a gear E (502), a rod-shaped column (503), a rotating ring (504), a connecting column (505), an I-shaped column (506), a U-shaped plate (507), a pressure block (508), a stopper (509), an L-shaped thin rod (510), a telescopic rod (511) and a telescopic plug plate (512), wherein the giant gear (501) is rotatably mounted on the left side of the force plate (6), and the gear E (502) is slidably mounted on the force plate (6). In the slide groove, one end of the connecting column (505) is fixedly mounted on the front face of the gear E (502), the rod-shaped column (503) is rotatably mounted on the circumferential surface of the connecting column (505), the rotating ring (504) is fixedly mounted on the circumferential surface of the connecting column (505), a No. 2 slide groove is provided on the rotating ring (504), and one end of the No. 2 slide groove close to the connecting column (505) passes through the rotating ring (504), and the U-shaped plate (507) is fixedly mounted on the connecting column (505). ), the inner wall of the U-shaped plate (507) is provided with a No. 3 slide groove and a No. 5 slide groove, the I-beam (506) is rotatably mounted inside the U-shaped plate (507), the circular plates at both ends of the I-beam (506) are provided with a No. 4 slide groove, the middle position of the No. 4 slide groove passes through the circular plate, the pressing block (508) is slidably mounted in the No. 4 slide groove of the I-beam (506), the stop block (509) is fixedly mounted on the outside of the I-beam (506), and the L thin rod (510) is slidably mounted on the No. 4 slide groove of the I-beam (506). The telescopic rod (511) is slidably mounted in the No. 3 slide groove on the inner wall of the U-shaped plate (507), and the telescopic rod (511) is slidably mounted in the No. 5 slide groove on the inner wall of the U-shaped plate (507). One end of the telescopic rod (511) is fixed to one end of the L thin rod (510) close to the rotating ring (504). One end of the telescopic plug plate (512) is slidably mounted on the through end of the slide groove on the inner wall of the U-shaped plate (507), and the other end of the telescopic plug plate (512) is slidably mounted in the No. 2 slide groove of the rotating ring (504).

8. The power cable twisting device according to claim 7, characterized in that: A spring No. 1 is provided between the stopper (509) and the pressure block (508), and the giant gear (501) is meshed with gear E (502).

9. The power cable twisting device according to claim 8, characterized in that: The rotating ring (504) is fitted with the rod-shaped column (503), a No. 2 spring is provided inside the telescopic rod (511), and a No. 3 spring is provided inside the telescopic plug plate (512).

Images