Anti-loosening and anti-slipping electric stay wire fitting

Abstract

The invention relates to the technical field of stay wire fittings, in particular to an anti-loosening and anti-slipping electric power stay wire fitting, which comprises a connecting buckle and a U-shaped wire clamp, the connecting buckle is fixedly connected with the ground, the U-shaped wire clamp penetrates through the middle part of the connecting buckle, a stay wire box is fixedly mounted on the inner side of the U-shaped wire clamp, and the U-shaped wire clamp is fixedly connected with the connecting buckle. The top of the connecting buckle is located between the U-shaped wire clamp and the pull box. The rotary drum drives the pull rope to move, so that the cable is spirally wound on the outer side of the rotary drum and is pulled, the bending angle of the cable does not need to be adjusted to ensure that the cable is in close contact with the tongue plate, the installation steps are simplified, the cable is convenient to use by workers, the operation efficiency is improved, and the cable is stressed more uniformly by spirally winding the rotary drum through the cable; local abrasion is effectively avoided, the stability and safety of the cable pulling process are improved, the friction force between the cable and the rotary drum is increased, and therefore it is guaranteed that the cable cannot slip or fall off in the cable pulling process, and the safety and reliability of device operation are improved.

Description

Technical Field

[0001] This invention relates to the field of guy wire fittings, and more particularly to a type of guy wire fitting that prevents loosening and slippage. Background Technology

[0002] Guy wire fittings are metal components used in power engineering to fix, adjust, and connect guy wires on transmission towers or poles. When fixing guy wires between cables and ground anchors, adjustable UT-type clamps are usually used. However, UT-type clamps require repeated adjustment of the cable bending angle during installation to ensure that the tongue plate fully fits the cable surface, making the operation cumbersome and affecting on-site construction efficiency. In addition, UT-type clamps adjust the tension of the guy wires with bolts and rely on double nuts to lock and prevent loosening. However, under long-term guy wire conditions, the nuts may still loosen or even fall off due to wind vibration, temperature changes, and external pulling forces, causing the cable to slip or even fall off, posing a significant safety hazard. Furthermore, during long-term guy wire operation, if the tension of the cable still needs to be adjusted after the UT-type clamp is adjusted to its limit position, it must be disassembled and reinstalled, which is not only time-consuming and labor-intensive but also affects the construction progress. Therefore, adjustable UT-type clamps are difficult to meet the guy wire requirements. Summary of the Invention

[0003] The purpose of this invention is to solve the problems in the background art by proposing a power cable fitting that prevents loosening and slippage.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A power cable fastener designed to prevent loosening and slippage includes a connecting buckle and a U-shaped clamp. The connecting buckle is fixedly connected to the ground, and the U-shaped clamp passes through the middle of the connecting buckle. A cable box is fixedly installed on the inner side of the U-shaped clamp. The top of the connecting buckle is located between the U-shaped clamp and the cable box. Side covers one and two are fixedly installed on the side walls of the cable box, respectively. A cable assembly is movably installed inside the cable box. The cable assembly includes a rotating drum and a pull rope. The pull rope is spirally wound around the outside of the rotating drum. The rotating drum is rotatably installed inside the cable box. A support cylinder is integrally formed on the side wall of the first side cover, and the rotating drum is rotatably fitted onto the outside of the support cylinder. A locking assembly is movably installed between the first side cover and the second side cover. The locking assembly is located inside the rotating drum and is used to lock the rotating drum and adjust the cable tension.

[0005] Preferably, the side walls on both sides of the cable box are integrally formed with lock heads, the outer side of the U-shaped cable clamp is provided with a locking member, the locking member and the lock head are fixedly connected, and the top of the U-shaped cable clamp is integrally formed with a protrusion, and the lock head and the locking member both abut against the protrusion.

[0006] Preferably, the top of the pull box has two sliding holes, both ends of the pull rope are slidably installed inside the sliding holes, one end of the pull rope is fixedly connected to a connecting cylinder, and a nut is movably installed on the outside of the connecting cylinder, with the nut and the connecting cylinder having a threaded fit.

[0007] Preferably, a protective cover is movably installed on the side wall of the second side cover, the protective cover is located on the outside of the pull box, a first mark is opened on the side wall of the second side cover, and a second mark is opened on the side wall of the rotating drum, the first mark and the second mark correspond to each other.

[0008] Preferably, the locking assembly includes a lock cylinder, a plurality of friction blocks, and a plurality of slide bars. The outer peripheral wall of the lock cylinder has a plurality of evenly distributed slide grooves. The slide bars correspond one-to-one with the slide grooves and are slidably installed on the inner side of the slide grooves. The slide bars are slidably installed on the side wall of the lock cylinder. The plurality of friction blocks are evenly distributed in a circular shape on the outer peripheral wall of the support cylinder. The friction blocks and slide bars are arranged alternately.

[0009] Preferably, the support cylinder has an integrally formed inner toothed cylinder 1 inside, and the inner side of the rotating cylinder has an integrally formed inner toothed cylinder 2. The lock cylinder and several slide bars are slidably installed inside the inner toothed cylinder 1 and the inner toothed cylinder 2. A spring 2 is provided between the bottom of the slide bar and the slide groove 2. An inclined surface 3 is provided on the side wall of the slide bar near the side cover 2. A spring 1 is provided between the lock cylinder and the side cover 1.

[0010] Preferably, a connector is slidably installed on the inner side of the inner tooth cylinder II, the connector being located between the lock cylinder and the side cover II, and a hexagonal groove is provided on the side of the connector near the side cover II.

[0011] Preferably, the side wall of the support cylinder is provided with a plurality of evenly distributed sliding grooves, the friction block corresponds one-to-one with the sliding grooves and is slidably installed inside the sliding grooves, the bottom of the friction block is provided with a slope, and the side wall of the lock cylinder is provided with a plurality of evenly distributed slopes, the slopes and the slide bars are arranged alternately, and the slopes and the slopes abut against each other.

[0012] Compared with existing technologies, the beneficial effects of this invention are as follows: 1. The cable is moved by driving the drum to make the cable spirally wound around the outside of the drum and complete the cable pulling. There is no need to adjust the bending angle of the cable to ensure that the cable and the tongue plate are in close contact, which simplifies the installation steps, makes it easier for workers to use, and improves work efficiency.

[0013] 2. By spirally winding the cable around the drum, the cable is subjected to more even force, effectively avoiding localized wear, improving the stability and safety of the cable pulling process, and increasing the friction between the cable and the drum, thereby ensuring that the cable will not slip or fall off during the cable pulling process, and improving the safety and reliability of the device operation.

[0014] 3. By the contact of the two pairs of sliding strips on the inner toothed cylinder, the lock core does not lock the drum when the drum is winding the cable, ensuring that the drum can smoothly wind the cable without being interfered with by locking, thus improving operating efficiency. When the drum is pulling the cable, the lock core axially locks the drum, ensuring the stability and reliability of the pulling process and avoiding the problem of the cable coming loose due to the drum reversing, further improving the safety and reliability of the device operation.

[0015] 4. By locking the rotating drum in one direction with the lock core, when the cable length changes due to prolonged pulling, the operator can directly drive the rotating drum to rotate forward to adjust the tension on the cable without having to reset the cable pulling device. This reduces the number of steps for workers, improves adjustment efficiency, lowers maintenance costs, and enhances the overall smoothness of operations.

[0016] 5. By using the connector to press against the lock cylinder, the lock cylinder is released from locking the rotating drum, ensuring that the cable can be discharged without disassembling the device, further reducing the number of steps for workers and improving work efficiency.

[0017] 6. By locking the rotating drum with friction blocks, the cable release process is ensured to be smooth and controllable when disassembling the cable and reducing the tension on the cable. This avoids operational safety hazards caused by the drum rebounding and effectively prevents the cable from loosening due to the drum's free rotation caused by inertia, further improving the safety and stability of the cable pulling process. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a cross-sectional view of the overall structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A; Figure 4 This is a cross-sectional view of the internal structure of the pull-wire box in this invention; Figure 5 For the present invention Figure 4 Enlarged schematic diagram of the structure at point B; Figure 6 This is a cross-sectional view of the side cover in this invention; Figure 7 This is a schematic diagram of the pull-cord box in this invention; Figure 8 This is a disassembly diagram of side cover two in this invention; Figure 9 This is a schematic diagram of the locking component in this invention; Figure 10 This is a disassembly diagram of the lock cylinder and slide bar in this invention; Figure 11 This is a schematic diagram of the friction block in this invention; Figure 12 This is a cross-sectional view of the rotating cylinder in this invention.

[0019] In the diagram: 1. Pull-out box; 11. Connecting buckle; 12. U-shaped cable clamp; 121. Locking element; 122. Protrusion; 123. Lock head; 13. Sliding hole; 21. Side cover one; 211. Support cylinder; 212. Internal gear cylinder one; 213. Sliding groove one; 22. Side cover two; 221. Protective cover; 222. Marking line one; 31. Rotary cylinder; 311. Pull rope; 312. Lock cylinder; 313. Spring one; 314. Inclined surface one; 315. Sliding groove two; 316. Internal gear cylinder two; 317. Connecting cylinder; 318. Nut; 319. Marking line two; 32. Connector; 321. Friction block; 322. Inclined surface two; 323. Sliding strip; 324. Inclined surface three; 325. Spring two. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0022] Reference Figure 1 - Figure 12 As shown, an anti-loosening and slippage electrical cable fitting includes a connecting buckle 11 and a U-shaped clamp 12. The connecting buckle 11 is fixedly connected to the ground. The U-shaped clamp 12 passes through the middle of the connecting buckle 11. A cable box 1 is fixedly installed on the inner side of the U-shaped clamp 12. The top of the connecting buckle 11 is located between the U-shaped clamp 12 and the cable box 1. Side covers 21 and 22 are fixedly installed on the side walls of the cable box 1. A cable assembly is movably installed inside the cable box 1. The cable assembly includes a rotating drum 31 and a pull rope 311. The pull rope 311 is spirally wound around the outside of the rotating drum 31. The rotating drum 31 is rotatably installed inside the cable box 1. A support cylinder 211 is integrally formed on the side wall of the side cover 21. The rotating drum 31 is rotatably fitted onto the outside of the support cylinder 211. A locking assembly is movably installed between side cover 1 21 and side cover 22. The locking assembly is located inside the rotating drum 31 and is used to lock the rotating drum 31 and adjust the cable tension.

[0023] like Figure 1 , Figure 4 and Figure 7 As shown, lock heads 123 are integrally formed on both sides of the pull box 1, and locking members 121 are provided on the outer side of the U-shaped cable clamp 12. The locking members 121 and lock heads 123 are fixedly connected. A protrusion 122 is integrally formed on the top of the U-shaped cable clamp 12, and both the lock heads 123 and the locking members 121 abut against the protrusion 122.

[0024] In this process, after the worker passes the U-shaped wire clamp 12 through the connecting buckle 11, the pull box 1 is placed inside the U-shaped wire clamp 12. At this time, the two locking pieces 121 are respectively aligned with the two lock heads 123, and the locking pieces 121 and lock heads 123 are fixedly connected by screws, so that the U-shaped wire clamp 12 is located between the locking pieces 121 and the lock heads 123.

[0025] like Figure 1 , Figure 7 and Figure 12 As shown, the top of the pull box 1 has two sliding holes 13. Both ends of the pull rope 311 are slidably installed inside the sliding holes 13. One end of the pull rope 311 is fixedly connected to a connecting cylinder 317. A nut 318 is movably installed on the outside of the connecting cylinder 317. The nut 318 and the connecting cylinder 317 are threaded together.

[0026] During cable pulling, the cable is inserted into the connecting cylinder 317, and the nut 318 is rotated to secure the cable to the connecting cylinder 317. The worker then drives the rotating drum 31 forward, causing it to wind the cable-connected end of the pull rope 311 into the cable box 1 and expel the unconnected end of the pull rope 311 out of the box. After the pull rope 311 is completely out of the box, the end of the cable connected to the connecting cylinder 317 is located outside the box, and the cable is spirally wound around the outside of the rotating drum 31. The worker then rotates the nut 318 in the opposite direction to separate the cable from the connecting cylinder 317. The worker then retracts the pull rope 311 and the connecting cylinder 317, completing the cable pulling process. The pull rope 311 is moved by the rotating drum 31, so that the cable is spirally wound around the outside of the rotating drum 31 and the cable is pulled. There is no need to adjust the bending angle of the cable to ensure that the cable and the tongue plate are in close contact, which simplifies the installation steps, makes it easier for workers to use, and improves work efficiency. At the same time, the spiral winding of the cable around the rotating drum 31 makes the cable more evenly stressed, effectively avoiding local wear, improving the stability and safety of the cable pulling process (the cable pulling process is the process after the worker has installed the cable and the rotating drum 31 locks the cable, that is, the cable pulling process is the process of the cable pulling box 1 working), and increasing the friction between the cable and the rotating drum 31, thereby ensuring that the cable will not slip or fall off during the cable pulling process, improving the safety and reliability of the device operation.

[0027] like Figure 2 , Figure 9and Figure 10 As shown, the locking assembly includes a lock cylinder 312, several friction blocks 321, and several slide bars 323. The outer peripheral wall of the lock cylinder 312 has several evenly distributed slide grooves 315. The slide bars 323 correspond one-to-one with the slide grooves 315 and are slidably installed on the inner side of the slide grooves 315. The slide bars 323 are slidably installed on the side wall of the lock cylinder 312. Several friction blocks 321 are evenly distributed in a circular shape on the outer peripheral wall of the support cylinder 211. The friction blocks 321 and slide bars 323 are arranged alternately.

[0028] like Figure 5 , Figure 6 , Figure 10 and Figure 12 As shown, the inner toothed cylinder 212 is integrally formed inside the support cylinder 211, and the inner toothed cylinder 31 is integrally formed inside the rotating cylinder 31. The lock cylinder 312 and several slide bars 323 are slidably installed inside the inner toothed cylinder 212 and the inner toothed cylinder 316. A spring 325 is provided between the bottom of the slide bar 323 and the slide groove 315. An inclined surface 324 is provided on the side wall of the slide bar 323 near the side cover 22. A spring 313 is provided between the lock cylinder 312 and the side cover 21.

[0029] The inclined surface 324 is slidably inserted into the interior of the inner gear cylinder 316. The side walls of the slide bar 323 always slide inside the inner gear cylinder 212. The inner diameter of the inner gear cylinder 216 is larger than the inner diameter of the inner gear cylinder 212. During the process of the rotating drum 31 pulling the cable, the rotating drum 31 rotates clockwise outside the lock cylinder 312. The inner gear cylinder 212 axially locks the lock cylinder 312 through the side wall of the slide bar 323. When the inner gear cylinder 216 and the inclined surface 324 abut against each other, the slide bar 323 moves towards the slide groove 2. The internal contraction of 315 causes the inner gear cylinder 316 to slide past the slide bar 323. After the inner gear cylinder 316 slides past the slide bar 323, the slide bar 323 is reset by the spring 313. During the contraction of the slide bar 323, the side walls on both sides of the slide bar 323 always abut against the inner wall of the inner gear cylinder 212, so that the inner gear cylinder 212 always axially locks the lock cylinder 312. During the process of the rotating cylinder 31 pulling the cable, the cable will apply a pulling force to the rotating cylinder 31, causing the rotating cylinder 31 to reverse. At this time, the inner gear cylinder... The inner toothed cylinder 212 axially locks the lock cylinder 312, and the lock cylinder 312 axially locks the inner toothed cylinder 216, thus locking the rotating drum 31 with the cable. The inner toothed cylinder 216's contact with the slide bar 323 prevents the lock cylinder 312 from locking the rotating drum 31 when it is winding the cable, ensuring smooth cable winding without locking interference and improving operational efficiency. When the rotating drum 31 is pulling the cable, the lock cylinder 312... The drum 31 is axially locked to ensure the stability and reliability of the cable pulling process and to prevent the cable from loosening due to the reverse rotation of the drum 31. This further improves the safety and reliability of the device operation. At the same time, the one-way locking of the drum 31 by the lock core 312 allows the operator to directly drive the drum 31 to rotate forward to adjust the tension on the cable when the cable length changes due to long-term pulling. This eliminates the need to reset the cable pulling device, reduces the number of steps for workers, improves adjustment efficiency, reduces maintenance costs, and enhances the overall smoothness of the operation.

[0030] like Figure 1 , Figure 2 , Figure 8 and Figure 12 As shown, a connector 32 is slidably installed on the inner side of the inner gear cylinder 316. The connector 32 is located between the lock cylinder 312 and the side cover 22. A hexagonal groove is provided on the side of the connector 32 near the side cover 22. A protective cover 221 is movably installed on the side wall of the side cover 22. The protective cover 221 is located on the outside of the pull cable box 1. A marking line 222 is provided on the side wall of the side cover 22. A marking line 319 is provided on the side wall of the rotating cylinder 31. The marking line 222 and the marking line 319 correspond to each other.

[0031] After the cable and connecting cylinder 317 are fixedly connected, the worker pulls out the protective cover 221, separating the protective cover 221 from the side cover 22. The worker inserts an Allen wrench into the hexagonal groove on the side wall of the connector 32. At this time, the worker drives the connector 32 to rotate forward using the Allen wrench. The connector 32 drives the rotating cylinder 31 to rotate forward, causing the rotating cylinder 31 to wind up the cable. Marking lines 222 are several and evenly distributed in a circular shape on the side wall of the side cover 22. Marking lines 319 are also several and evenly distributed in a circular shape on the side wall of the rotating cylinder 31. When marking lines 222 and 319 correspond, the internal gear cylinder 212 and 316 correspond. This ensures that marking lines 222 and 319 correspond after each rotation by the worker, so as to ensure that the lock cylinder 312 and the slide bar 323 stably lock the rotating cylinder 31. When removing the cable pull cord, the worker takes out the recovered pull cord 311 and places the connecting cylinder 317, which is fixedly connected to one end of the pull cord 311, on the outside of the cable. The worker then rotates the nut 318 to re-secure the connection between the cable and the connecting cylinder 317. Next, the worker pulls out the protective cover 221, separating it from the side cover 22. The worker inserts an Allen wrench into the hexagonal groove on the side wall of the connector 32 and pushes the connector 32 towards the side cover 21. The lock cylinder 312 moves with the connector 32, causing the slide bar 323 to disengage from the inner toothed cylinder 1. Inside 212, the axial lock of the rotating drum 31 is released. At this time, the worker drives the connector 32 to reverse using an Allen wrench. The connector 32 drives the rotating drum 31 to reverse and discharges the wound cable from the inside of the cable box 1. At this time, the cable pulls the pull rope 311, causing the pull rope 311 to be wound in a spiral shape on the outside of the rotating drum 31 again. When the connector 317 moves out of the inside of the cable box 1, the cable release is completed. The contact between the connector 32 and the lock cylinder 312 causes the lock cylinder 312 to release the lock on the rotating drum 31, ensuring that the cable is discharged without disassembling the device, further reducing the worker's operation steps and improving work efficiency.

[0032] like Figure 3 , Figure 6 and Figures 9-11 As shown, the side wall of the support cylinder 211 is provided with several evenly distributed sliding grooves 213. The friction block 321 corresponds to the sliding groove 213 and is slidably installed inside the sliding groove 213. The bottom of the friction block 321 is provided with a slope 322. The side wall of the lock cylinder 312 is provided with several evenly distributed slopes 314. The slopes 314 and the slide bar 323 are arranged alternately, and the slopes 314 and the slopes 322 abut against each other.

[0033] During the movement of the lock cylinder 312 following the connector 32, the lock cylinder 312 drives the inclined surface 314 to move, causing the inclined surface 314 and the inclined surface 322 to come into contact. As the lock cylinder 312 moves closer to the side cover 21, it drives the friction block 321 to slide inward toward the inside of the rotating cylinder 31 through the inclined surfaces 314 and 322. When the lock cylinder 312 drives the slide bar 323 to disengage from the inside of the inner toothed cylinder 212, if the rotating cylinder 31 rapidly reverses due to the tension of the cable, the worker continues to push the connector 32, causing the friction block to move inward. When the friction block 321 abuts against the inner side of the rotating drum 31, the friction block 321 locks the rotating drum 31 (when the lock cylinder 312 is disengaged from the inner tooth cylinder 212, the friction block 321 does not contact the inner wall of the rotating drum 31). By locking the rotating drum 31 with the friction block 321, the cable release process is ensured to be smooth and controllable when disassembling the cable and reducing the tension on the cable, avoiding operational safety hazards caused by the rebound of the rotating drum 31. At the same time, it effectively prevents the cable from loosening due to the free rotation of the rotating drum 31 due to inertia, further improving the safety and stability of the cable pulling process.

[0034] The working principle and usage of this invention are explained in detail below: After the worker passes the U-shaped wire clamp 12 through the connecting buckle 11, the pull box 1 is placed inside the U-shaped wire clamp 12, and the locking member 121 and the lock head 123 are fixedly connected by screws, so that the U-shaped wire clamp 12 is located between the locking member 121 and the lock head 123. After the worker fixes the cable and the connecting cylinder 317, the worker pulls out the protective cover 221 and inserts an Allen wrench into the hexagonal groove on the side wall of the connector 32. At this time, the worker drives the connector 32 to rotate forward using the Allen wrench. The connector 32 drives the rotating cylinder 31 to rotate forward, so that the rotating cylinder 31 winds the pull rope 311 with the cable end connected to it into the pull box 1. The pull rope 311 is completely discharged from the pull box. After marking 1, corresponding to marking 222 and marking 319, one end of the cable connected to the connecting drum 317 is located outside the cable pull box 1. The cable is spirally wound around the outside of the rotating drum 31. The worker separates the cable from the connecting drum 317 and retrieves the pull rope 311 and the connecting drum 317. At this point, the cable pull is complete. The rotating drum 31 drives the pull rope 311 to move, causing the cable to spirally wound around the outside of the rotating drum 31 and completing the cable pull. There is no need to adjust the bending angle of the cable to ensure close contact between the cable and the tongue plate, simplifying the installation steps, making it easier for workers to use, and improving work efficiency. At the same time, the spiral winding of the cable around the rotating drum 31 makes the cable more evenly stressed, effectively avoiding local wear, improving the stability and safety of the cable pull process, and increasing the cable and rotating drum 311's strength. The friction between the two parts ensures that the cable will not slip or fall off during the pulling process, improving the safety and reliability of the device operation. During the cable pulling process, the rotating drum 31 rotates clockwise outside the lock core 312. The inner gear cylinder 212 axially locks the lock core 312 through the side wall of the slide bar 323. When the inner gear cylinder 316 and the inclined surface 324 abut against each other, the slide bar 323 retracts into the slide groove 315, causing the inner gear cylinder 316 to slide past the slide bar 323. After the inner gear cylinder 316 slides past the slide bar 323, the slide bar 323 is reset by the spring 313. During the retraction of the slide bar 323, the inner gear cylinder 212 always axially locks the lock core 312. During the cable pulling process of the rotating drum 31, the cable will rotate... When a pulling force is applied to the drum 31, causing the drum 31 to reverse, the inner toothed cylinder 316 abuts against the side of the slide bar 323 without the inclined surface 324, locking the drum 31 with the cable. The contact between the inner toothed cylinder 316 and the slide bar 323 ensures that the lock core 312 does not lock the drum 31 when it is winding the cable, allowing for smooth cable winding without interference from locking, thus improving operational efficiency. When the drum 31 is pulling the cable, the lock core 312 axially locks the drum 31, ensuring stability and reliability during the pulling process and preventing cable loosening due to the drum 31 reversing, further improving the safety and reliability of the device. Simultaneously, the unidirectional locking of the drum 31 by the lock core 312 prevents cable length changes due to prolonged pulling.Manual operation can directly drive the rotary drum 31 to adjust the tension on the cable, eliminating the need to reset the cable pulling device. This reduces worker steps, improves adjustment efficiency, lowers maintenance costs, and enhances overall operational smoothness. When releasing the cable pull, the worker removes the recovered pull rope 311 and reconnects the connecting cylinder 317 and the cable. Then, the worker pulls out the protective cover 221, separating it from the side cover 22. The worker inserts an Allen wrench into the hexagonal groove on the side wall of the connector 32 and pushes the connector 32 towards the side cover 21. The lock cylinder 312 moves with the connector 32, causing the slide bar 323 to disengage from the inner toothed cylinder 212, releasing the axial lock of the rotating cylinder 31. The worker then uses the Allen wrench to reverse the rotating cylinder 31, discharging the wound cable from the cable box 1. The cable pulls the pull rope 311, causing it to spiral around the outside of the rotating cylinder 31 again. Once the connecting cylinder 317 is removed from the cable box 1, the cable release is complete. The contact between the connector 32 and the lock cylinder 312 causes the lock cylinder 312 to disengage. The locking of cylinder 31 ensures that the cable can be discharged without disassembling the device, further reducing the number of steps for workers and improving work efficiency. As the lock cylinder 312 moves with the connector 32, the lock cylinder 312 drives the first inclined surface 314 to move, causing the first inclined surface 314 and the second inclined surface 322 to collide. When the lock cylinder 312 drives the slide bar 323 to disengage from the inside of the inner toothed cylinder 212, if the rotating cylinder 31 quickly reverses due to the tension of the cable, the worker continues to push the connector 32, causing the friction block 321 to collide with the inside of the rotating cylinder 31. At this time, the friction block 321 locks the rotating cylinder 31. By locking the rotating cylinder 31 with the friction block 321, the cable release process is ensured to be smooth and controllable when disassembling the cable and reducing the tension on the cable, avoiding operational safety hazards caused by the rebound of the rotating cylinder 31. At the same time, it effectively prevents the cable from loosening due to the free rotation of the rotating cylinder 31 due to inertia, further improving the safety and stability of the cable pulling process.

[0035] To further clarify, the aforementioned fixed connection should be interpreted broadly unless otherwise explicitly specified and limited. For example, it may be welding, gluing, or integral molding, or other conventional methods well known to those skilled in the art.

[0036] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A power stay wire fitting against loosening and falling, comprising a connecting buckle (11) and a U-shaped wire clamp (12), characterized in that: The connecting buckle (11) is fixedly connected with the ground, the U-shaped wire clamp (12) penetrates through the middle part of the connecting buckle (11), the inner side of the U-shaped wire clamp (12) is fixedly installed with the pull line box (1), the top of the connecting buckle (11) is located between the U-shaped wire clamp (12) and the pull line box (1), the side walls on the two sides of the pull line box (1) are fixedly installed with the side cover one (21) and the side cover two (22) respectively, the pull line assembly is movably installed in the pull line box (1), the pull line assembly comprises the rotating drum (31) and the pull rope (311), the pull rope (311) is spirally wound on the outer side of the rotating drum (31), the rotating drum (31) is rotatably installed in the pull line box (1), the side wall of the side cover one (21) is integrally formed with the supporting cylinder (211), and the rotating drum (31) is rotatably sleeved on the outer side of the supporting cylinder (211). The locking assembly is movably installed between the side cover one (21) and the side cover two (22), and the locking assembly is located on the inner side of the rotating drum (31). The locking assembly is used for locking the rotating drum (31) and adjusting the cable tension.

2. The anti-loose and anti-falling electric power stay fitting according to claim 1, characterized in that: The side walls of the pull line box (1) are integrally formed with the lock head (123), the outer side of the U-shaped wire clamp (12) is provided with the locking piece (121), the locking piece (121) and the lock head (123) are fixedly connected, and the top of the U-shaped wire clamp (12) is integrally formed with the protruding block (122). The lock head (123) and the locking piece (121) are in abutment with the protruding block (122).

3. The anti-loose and anti-falling electric power stay fitting according to claim 1, characterized in that: Two sliding holes (13) are formed in the top of the pull line box (1), the two ends of the pull rope (311) are slidably installed in the sliding holes (13), one end of the pull rope (311) is fixedly connected with the connecting cylinder (317), the outer side of the connecting cylinder (317) is movably installed with the nut (318), and the nut (318) and the connecting cylinder (317) are in threaded connection.

4. The anti-loose and anti-falling electric power stay fitting according to claim 1, characterized in that: The side wall of the side cover two (22) is movably installed with the protective cover (221), the protective cover (221) is located on the outer side of the pull line box (1), the side wall of the side cover two (22) is provided with the scale one (222), the side wall of the rotating drum (31) is provided with the scale two (319), and the scale one (222) and the scale two (319) correspond to each other.

5. The anti-loose and anti-falling electric power stay fitting according to claim 1, characterized in that: The locking assembly comprises the lock core (312), a plurality of friction blocks (321) and a plurality of slide bars (323), a plurality of slide grooves two (315) are formed in the outer circumferential wall of the lock core (312), the slide bars (323) and the slide grooves two (315) correspond to each other and are slidably installed on the inner side of the slide grooves two (315), the slide bars (323) are slidably installed on the side wall of the lock core (312), and a plurality of the friction blocks (321) are circumferentially and uniformly distributed on the outer circumferential wall of the supporting cylinder (211). The friction blocks (321) and the slide bars (323) are alternately arranged.

6. The anti-loose and anti-falling electric power stay fitting according to claim 5, characterized in that: The inner side of the support cylinder (211) is integrally formed with an inner tooth cylinder one (212), the inner side of the rotating cylinder (31) is integrally formed with an inner tooth cylinder two (316), the lock core (312) and the plurality of sliding strips (323) are slidably installed in the inner tooth cylinder one (212) and the inner tooth cylinder two (316), the bottom of the sliding strip (323) is provided with a spring two (325) between the sliding groove two (315), the side wall of the sliding strip (323) close to one end of the side cover two (22) is provided with an inclined surface three (324), and the lock core (312) is provided with a spring one (313) between the side cover one (21).

7. The anti-loose and anti-falling electric power stay fitting according to claim 6, characterized in that: The inner side of the inner tooth cylinder two (316) is slidably installed with a connecting head (32), the connecting head (32) is located between the lock core (312) and the side cover two (22), and the connecting head (32) is provided with a hexagonal groove on the side close to the side cover two (22).

8. The anti-loose and anti-falling electric power stay fitting according to claim 5, characterized in that: The side wall of the support cylinder (211) is provided with a plurality of evenly distributed sliding grooves one (213), the friction blocks (321) and the sliding grooves one (213) correspond one by one and are slidably installed in the inner side of the sliding grooves one (213), the bottom of the friction block (321) is provided with an inclined surface two (322), the side wall of the lock core (312) is provided with a plurality of evenly distributed inclined surfaces one (314), the inclined surfaces one (314) and the sliding strips (323) are staggered, and the inclined surfaces one (314) and the inclined surfaces two (322) are in abutment.

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