Pre-twisted fitting for high-altitude wire

Abstract

The utility model discloses a pre-twisted fitting for a high-altitude wire, which belongs to the technical field of wire fittings and comprises a first lock hoop and a second lock hoop, a first swing plate is fixedly arranged on the outer side of the first lock hoop, a second swing plate is fixedly arranged on the outer side of the second lock hoop, a swing seat is movably mounted in a swing cavity, and a through telescopic cavity is formed in the swing seat. A telescopic arm is slidably mounted in the telescopic cavity, a transverse plate is fixedly arranged on the outer side of the telescopic arm, symmetrical tightening strips are fixedly arranged on the outer wall of the transverse plate, symmetrical sliding grooves are formed in the upper side and the lower side of the transverse plate, a locking frame for positioning a cable is slidably mounted in the sliding grooves, and sliding blocks matched with the sliding grooves are arranged on the inner wall of the locking frame. According to the utility model, the swing angle of the swing seat can be adjusted as required through the screw rod and the adjusting nut, and when a cable is blown by wind power, the telescopic arm can slide back and forth along the swing seat, so that the damage to equipment caused by overlarge stress is avoided, and the stability and the degree of freedom are improved through the design.

Description

Technical Field

[0001] This utility model relates to the field of conductor fittings technology, specifically a pre-stretched fitting for high-altitude conductors. Background Technology

[0002] Steel-cored aluminum stranded wire is characterized by its simple structure, convenient installation and maintenance, low line cost, large transmission capacity, suitability for laying across rivers and valleys in special geographical conditions, good conductivity, sufficient mechanical strength, high tensile strength, and the ability to increase tower spacing. Therefore, it is widely used in overhead transmission and distribution lines of various voltage levels. Pre-stretched fittings refer to fittings made by winding pre-formed spiral strips around conductors or ground wires to bear mechanical or electrical loads. Pre-stretched fittings have been successfully applied in many high-voltage lines abroad, mainly in all-dielectric self-supporting optical cables, fiber optic composite overhead ground wire cables, and ultra-high voltage transmission line projects.

[0003] Patent application CN209823353U discloses a pre-twisted jumper cable drain fitting, including two clamps connected by bolts. Nuts are threaded onto the bolts. Limit blocks are fixedly connected to the two clamps, and buffer components are provided on the limit blocks. Limit rods are fixedly connected to the buffer components, and connecting blocks are fixedly connected to the limit rods. A connecting plate is movably sleeved on the outer periphery of the limit rod. A pre-twisted compression strip is fixedly connected to the side of the connecting plate away from the limit block. A threaded rod is threadedly connected to the connecting plate, and a rotating shaft is fixedly connected to the end of the threaded rod away from the connecting plate. The other end of the rotating shaft extends into the interior of the connecting block and is rotatably connected to the connecting block. This pre-twisted jumper cable drain fitting has the effects of shock absorption, easy adjustment, and reduced damage.

[0004] However, the pre-twisted drainage fittings disclosed above have limited freedom of movement and cannot adaptively adjust the swing angle of the fittings according to actual needs. Furthermore, their stability is generally poor, and the tightening strip is prone to loosening after prolonged use. Utility Model Content

[0005] The purpose of this utility model is to provide a pre-stretched conductor fitting for high-altitude conductors, in order to solve the problems that existing pre-stretched conductor fittings have limited freedom of movement, cannot adaptively adjust the swing angle of the fitting according to actual needs, have limited stability, and the tightening strip is prone to loosening after long-term use.

[0006] To achieve the above objectives, the technical solution of this utility model is: a pre-stretched fitting for high-altitude conductors, comprising a locking clamp one and a locking clamp two that cooperate with each other. A swing plate one is fixedly installed on the outer side of the locking clamp one, and a swing plate two is fixedly installed on the outer side of the locking clamp two. A swing cavity is formed between the swing plate one and the swing plate two. A swing seat is movably installed in the swing cavity. A through telescopic cavity is opened inside the swing seat. A telescopic arm is slidably installed in the telescopic cavity. A horizontal plate is fixedly installed on the outer side of the telescopic arm. Symmetrical tightening strips are fixedly installed on the outer wall of the horizontal plate. Symmetrical sliding grooves are opened on the upper and lower sides of the horizontal plate. A locking frame for positioning the cable is slidably installed in the sliding groove. A slider that cooperates with the sliding groove is provided on the inner wall of the locking frame.

[0007] As a further improvement of this utility model, bolts are installed on both sides of the first and second locking clamps.

[0008] As a further improvement of this utility model, anti-slip rubber strips are provided on the inner walls of the first and second locking clamps.

[0009] As a further embodiment of this utility model: a screw is fixedly installed on the inner wall of the first swing plate, the screw passes through the second swing plate, an adjusting nut is threaded on the screw, and multiple handles are provided on the outer wall of the adjusting nut.

[0010] As a further embodiment of this utility model: a limiting boss is provided at the outlet of the telescopic cavity, a limiting plate that cooperates with it is fixedly provided at the bottom of the telescopic arm, symmetrical sliding grooves are provided on the inner walls of the upper and lower sides of the telescopic cavity, and sliding arms that cooperate with the sliding grooves are fixedly provided at the upper and lower ends of the limiting plate.

[0011] As a further improvement of this utility model: the inner side of the limiting plate is connected to multiple sets of first return springs, and the outer side of the limiting plate is connected to multiple sets of second return springs.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This utility model allows the device to be installed on a utility pole using locking clamps one and two. The design of the screw and adjusting nut allows for adjustment of the swing angle of the swing seat according to actual needs. The double locking design of the tightening strip and locking frame improves cable stability and prevents accidental detachment. When the cable is blown by wind, the telescopic arm can slide back and forth along the swing seat, thus preventing excessive stress from damaging the equipment. This design improves the stability and freedom of movement of this pre-stretched hardware for high-altitude conductors. Attached Figure Description

[0014] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of locking clamp one and locking clamp two in this utility model;

[0017] Figure 3 This is a cross-sectional view of the swing seat in this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the sliding arm in this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Locking clamp one; 2. Locking clamp two; 3. Swing plate one; 4. Swing plate two; 5. Swing cavity; 6. Bolt; 7. Anti-slip rubber strip; 8. Screw; 9. Adjusting nut; 10. Handle; 11. Swing seat; 12. Telescopic cavity; 13. Limiting boss; 14. Slide groove; 15. Telescopic arm; 16. Limiting plate; 17. Sliding arm; 18. First return spring; 19. Second return spring; 20. Horizontal plate; 21. Tightening strip; 22. Sliding groove; 23. Locking frame; 24. Slider. Detailed Implementation

[0021] The following will be combined with the appendix Figures 1 to 4 The technical solution of this utility model has been clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] This utility model provides an improved pre-stretched fitting for high-altitude conductors, such as... Figures 1-4 As shown, the device includes a locking clamp 1 and a locking clamp 2 that cooperate with each other. A swing plate 3 is fixedly installed on the outer side of the locking clamp 1, and a swing plate 4 is fixedly installed on the outer side of the locking clamp 2. A swing cavity 5 is formed between the swing plate 3 and the swing plate 4. A swing seat 11 is movably installed in the swing cavity 5. A through telescopic cavity 12 is opened inside the swing seat 11. A telescopic arm 15 is slidably installed in the telescopic cavity 12. A horizontal plate 20 is fixedly installed on the outer side of the telescopic arm 15. Symmetrical tightening strips 21 are fixedly installed on the outer wall of the horizontal plate 20. Symmetrical sliding grooves 22 are opened on the upper and lower sides of the horizontal plate 20. A locking frame 23 for positioning the cable is slidably installed in the sliding groove 22. A slider 24 that cooperates with the sliding groove 22 is provided on the inner wall of the locking frame 23.

[0023] This utility model allows the device to be installed on a utility pole using locking clamp 1 and locking clamp 2. The design of the screw 8 and adjusting nut 9 allows for adjustment of the swing angle of the swing seat 11 according to actual needs. The double locking design of the tightening bar 21 and locking frame 23 improves cable stability and prevents accidental detachment. When the cable is blown by wind, the telescopic arm 15 can slide back and forth along the swing seat 11, thus preventing excessive stress from damaging the device. This design improves the stability and freedom of movement of the pre-stretched hardware for high-altitude conductors.

[0024] See appendix Figure 1 - Appendix Figure 2 Bolts 6 are installed on both sides of the locking clamp 1 and locking clamp 2.

[0025] In this embodiment: In order to quickly install the equipment and install the locking clamp 1 and locking clamp 2 onto the pole, a bolt 6 structure is designed.

[0026] See appendix Figure 1 - Appendix Figure 2 Anti-slip rubber strips 7 are provided on the inner walls of locking clamp 1 and locking clamp 2.

[0027] In this embodiment: In order to improve the stability during clamping, an anti-slip rubber strip 7 is designed.

[0028] See appendix Figure 1 - Appendix Figure 2 A screw 8 is fixedly installed on the inner wall of the swing plate 3. The screw 8 passes through the swing plate 4. An adjusting nut 9 is threaded on the screw 8. Multiple handles 10 are provided on the outer wall of the adjusting nut 9.

[0029] In this embodiment: after the angle of the swing seat 11 is adjusted, it can be locked by adjusting the nut 9. In order to facilitate the rotation of the adjusting nut 9, multiple handles 10 are designed.

[0030] See appendix Figure 3 - Appendix Figure 4 A limiting boss 13 is provided at the outlet of the telescopic cavity 12, and a limiting plate 16 that cooperates with it is fixedly provided at the bottom of the telescopic arm 15. Symmetrical sliding grooves 14 are provided on the inner walls of the upper and lower sides of the telescopic cavity 12, and sliding arms 17 that cooperate with the sliding grooves 14 are fixedly provided at the upper and lower ends of the limiting plate 16.

[0031] In this embodiment: when the telescopic arm 15 reciprocates along the telescopic cavity 12, in order to further improve the stability during movement, a sliding groove 14 and a sliding arm 17 structure that cooperate with each other are designed.

[0032] See appendix Figure 3 - Appendix Figure 4Multiple sets of first return springs 18 are connected to the inner side of the limiting plate 16, and multiple sets of second return springs 19 are connected to the outer side of the limiting plate 16.

[0033] In this embodiment: the first return spring 18 is connected to the inner wall of the telescopic cavity 12, and the second return spring 19 is connected to the inner wall of the limiting boss 13. When the cable is vibrated, this design can greatly improve the shock absorption capacity of the telescopic arm 15.

[0034] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.

Claims

1. A pre-stretched fitting for high-altitude conductors, characterized in that: The device includes a locking clamp 1 (1) and a locking clamp 2 (2) that cooperate with each other. A swing plate 1 (3) is fixedly installed on the outside of the locking clamp 1 (1), and a swing plate 2 (4) is fixedly installed on the outside of the locking clamp 2 (2). A swing cavity (5) is formed between the swing plate 1 (3) and the swing plate 2 (4). A swing seat (11) is movably installed in the swing cavity (5). A through telescopic cavity (12) is opened inside the swing seat (11). A telescopic arm (15) is slidably installed in the telescopic cavity (12). A horizontal plate (20) is fixedly installed on the outside of the telescopic arm (15). A symmetrical tightening strip (21) is fixedly installed on the outer wall of the horizontal plate (20). A symmetrical sliding groove (22) is opened on the upper and lower sides of the horizontal plate (20). A locking frame (23) for positioning the cable is slidably installed in the sliding groove (22). A slider (24) that cooperates with the sliding groove (22) is provided on the inner wall of the locking frame (23).

2. The pre-stretched fitting for high-altitude conductors according to claim 1, characterized in that: Bolts (6) are installed on both sides of the first (1) and second (2) locking clamps.

3. The pre-stretched fitting for high-altitude conductors according to claim 1, characterized in that: Anti-slip rubber strips (7) are provided on the inner walls of the first locking clamp (1) and the second locking clamp (2).

4. A pre-stretched fitting for high-altitude conductors according to claim 1, characterized in that: A screw (8) is fixedly installed on the inner wall of the first swing plate (3). The screw (8) passes through the second swing plate (4). An adjusting nut (9) is threaded on the screw (8). Multiple handles (10) are provided on the outer wall of the adjusting nut (9).

5. A pre-stretched fitting for high-altitude conductors according to any one of claims 1-4, characterized in that: The telescopic cavity (12) is provided with a limiting boss (13) at the outlet. The bottom of the telescopic arm (15) is fixedly provided with a limiting plate (16) that cooperates with it. Symmetrical sliding grooves (14) are provided on the inner walls of the upper and lower sides of the telescopic cavity (12). The upper and lower ends of the limiting plate (16) are fixedly provided with sliding arms (17) that cooperate with the sliding grooves (14).

6. A pre-stretched fitting for high-altitude conductors according to claim 5, characterized in that: The inner side of the limiting plate (16) is connected to multiple sets of first return springs (18), and the outer side of the limiting plate (16) is connected to multiple sets of second return springs (19).

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