Tension fittings for overhead power transmission and transformation lines

Abstract

The utility model provides a tension fitting for overhead power transmission and transformation lines, and relates to the technical field of tension fittings, including a tension clamp body, the outer side of the tension clamp body is sleeved with an aluminum tube, one end of the aluminum tube is provided with a mounting block 1, the side of the mounting block 1 is provided with a mounting seat, the side of the mounting seat is symmetrically provided with a rotating shaft, the outer side of the rotating shaft is provided with a fixing ring, the side of a single fixing ring is provided with a docking block, the outer side of the docking block is provided with a docking groove, the docking block and the docking groove are clamped together, and the side of the mounting block 1 is provided with a mounting block 2. The utility model is provided with a mounting seat on the side of the mounting block 1, and the fixing ring clamps and fixes the mounting block 1 and the mounting block 2 by rotating the rotating shaft, and the side of the fixing ring is provided with a docking block, which is clamped inside the docking groove, thereby ensuring the fast connection of the fixing ring, and the operation is convenient without the use of tools, which facilitates the connection of the drainage clamp with the aluminum tube.

Description

Technical Field

[0001] The utility model relates to the technical field of tension-resistant hardware, in particular to tension-resistant hardware for overhead power transmission and transformation lines. Background Art

[0002] In power engineering, it is necessary to use tension fittings to connect the tower pole with the transmission line to ensure the safety and stability of the line transmission. The tension fittings used in overhead transmission and transformation lines, that is, the tension fittings connected to the tension string of the insulator of the overhead transmission and transformation line, include a tension clamp body and a drain clamp, wherein a terminal board is led out from the middle of the tension clamp body, one end of the drain clamp is connected to the terminal board, and then the bolts passing from the side of the terminal board to the side wall of the drain clamp are tightened, thereby realizing the fixed connection between the tension clamp body and the drain clamp.

[0003] Existing tension fittings usually use bolts to fix the tension clamp body and the drainage clamp. When operating at high altitude, tools are needed to fix the bolts. The operation is complicated and it is dangerous to use tools at high altitude. At the same time, the tension clamp body and the drainage clamp have poor stability when connected only by bolts. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that when operating at high altitude, tools need to be used to fix bolts, the operation is relatively complicated and it is dangerous to use tools at high altitude, and at the same time, the stability of the tension clamp body and the drainage clamp connected only by bolts is poor, and a tension fitting for overhead power transmission and transformation lines is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tension fitting for an overhead power transmission and transformation line, comprising a tension clamp body, an aluminum tube is sleeved on the outer side of the tension clamp body, a mounting block 1 is arranged at one end of the aluminum tube, a mounting seat is arranged on the side of the mounting block 1, a rotating shaft is symmetrically arranged on the side of the mounting seat, a fixing ring is arranged on the outer side of the rotating shaft, a docking block is arranged on the side of a single fixing ring, a docking groove is arranged on the outer side of the docking block, the docking block and the docking groove are clamped together, a mounting block 2 is arranged on the side of the mounting block 1, the fixing ring is arranged on the outer sides of the mounting block 1 and the mounting block 2, and a drainage clamp is arranged at one end of the mounting block 2.

[0006] Preferably, through holes are provided on both sides of the docking block, a spring is arranged inside the through hole, one end of the spring is connected to a push rod, and limiting grooves are provided on both sides of the docking groove, and one end of the push rod passes through the limiting groove.

[0007] Preferably, a plurality of rubber pads are arranged at one end of the fixing ring, a limiting block is arranged at one end of the fixing ring, a plurality of slots are opened inside the limiting block, and the rubber pads are engaged with the slots.

[0008] Preferably, a pull ring is provided on the side of the limit block, and a cover plate is provided on the top of the limit block.

[0009] Preferably, one end of the cover plate is connected to a snap fastener, and one end of the snap fastener is connected to a pull ring.

[0010] Preferably, the side surfaces of the first mounting block are symmetrically provided with slide grooves, and the two sides of the second mounting block are provided with moving blocks, and the outer sides of the moving blocks are movably provided on the inner sides of the slide grooves.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, a mounting seat is provided on the side of the mounting block 1, and the rotating shaft is rotated so that the fixing ring clamps and fixes the mounting block 1 and the mounting block 2. A docking block is provided on the side of the fixing ring, and the docking block is clamped in the inside of the docking groove, thereby ensuring the fast connection of the fixing ring. The operation is convenient and no tools are required, which facilitates the connection of the drainage wire clamp with the aluminum tube, shortens the installation time, reduces the waste of labor cost and time cost, and thus improves the installation efficiency.

[0013] 2. In the utility model, a through hole is opened inside the docking block, and the elasticity of the spring is utilized so that the push rod passes through the limit groove, which is beneficial to the fast splicing and limiting of the fixing ring. The limit block is arranged at one end of the fixing ring, and a plurality of rubber pads are arranged on the side of the fixing ring. The rubber pads are connected to the slot, which is beneficial to increase the friction area, thereby effectively improving the stability of the two fixing rings after connection. The fastener is arranged at one end of the cover plate, and one end of the fastener is connected to the pull ring, thereby ensuring the stable limiting of the fixing ring by the limit block, ensuring the stability of the connection between the aluminum tube and the drainage wire clamp, improving the stability and reliability of the tension hardware, and thereby ensuring the normal use of the tension hardware. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a tension fitting for overhead power transmission and transformation lines;

[0015] Figure 2 This is another perspective structural schematic diagram of the tension fittings for overhead power transmission and transformation lines proposed by the utility model;

[0016] Figure 3 The utility model provides a schematic diagram of the installation assembly structure of the tension fittings for overhead power transmission and transformation lines;

[0017] Figure 4 The utility model provides a partial structural schematic diagram of a tension fitting for an overhead power transmission and transformation line.

[0018] Legend: 1. Strain clamp body; 2. Aluminum tube; 3. Drainage clamp; 4. Mounting seat; 5. Rotating shaft; 6. Fixing ring; 7. Rubber pad; 8. Docking block; 9. Spring; 10. Push rod; 11. Docking groove; 12. Limit block; 13. Cover plate; 14. Fastener; 15. Pull ring; 16. Slot; 17. Slide groove; 18. Moving block; 19. Mounting block one; 20. Mounting block two. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Example 1

[0022] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a tension fitting for an overhead power transmission and transformation line, comprising a tension clamp body 1, an aluminum tube 2 is sleeved on the outer side of the tension clamp body 1, a mounting block 19 is arranged at one end of the aluminum tube 2, a mounting seat 4 is arranged on the side of the mounting block 19, a rotating shaft 5 is symmetrically arranged on the side of the mounting seat 4, a fixing ring 6 is arranged on the outer side of the rotating shaft 5, a docking block 8 is arranged on the side of a single fixing ring 6, a docking groove 11 is arranged on the outer side of the docking block 8, the docking block 8 is clamped with the docking groove 11, a mounting block 20 is arranged on the side of the mounting block 19, the fixing ring 6 is arranged on the outer sides of the mounting block 19 and the mounting block 20, a drainage clamp 3 is arranged at one end of the mounting block 20, a sliding groove 17 is symmetrically arranged on the side of the mounting block 19, and a moving block 18 is arranged on both sides of the mounting block 20, and the outer side of the moving block 18 is movably arranged on the inner side of the sliding groove 17.

[0023] In this embodiment, by sliding the movable block 18, the movable block 18 slides on the inner side of the slide groove 17, which is conducive to connecting the drainage wire clamp 3 with the aluminum tube 2. A mounting seat 4 is provided on the side of the mounting block 19. By rotating the rotating shaft 5, the fixing ring 6 clamps and fixes the mounting block 19 and the mounting block 2 20. A docking block 8 is provided on the side of the fixing ring 6. The docking block 8 is clamped in the inside of the docking groove 11, thereby ensuring a quick connection between the fixing rings 6. The operation is convenient and does not require the use of tools. It is convenient to connect the drainage wire clamp 3 with the aluminum tube 2, shortens the installation time, reduces the waste of labor cost and time cost, and thus improves the installation efficiency.

[0024] Example 2

[0025] like Figure 1-Figure 4 As shown, through holes are provided on both sides of the docking block 8, and springs 9 are arranged inside the through holes. One end of the spring 9 is connected to a push rod 10. Limiting grooves are provided on both sides of the docking groove 11, and one end of the push rod 10 passes through the limiting grooves. A plurality of rubber pads 7 are provided at one end of the fixing ring 6, and a limiting block 12 is provided at one end of the fixing ring 6. A plurality of card grooves 16 are provided inside the limiting block 12, and the rubber pads 7 are card-engaged with the card grooves 16. A pull ring 15 is provided on the side of the limiting block 12, and a cover plate 13 is provided on the top of the limiting block 12. One end of the cover plate 13 is connected to a snap member 14, and one end of the snap member 14 is connected to the pull ring 15.

[0026] In this embodiment, a through hole is opened inside the docking block 8, and the elasticity of the spring 9 is utilized to allow the push rod 10 to pass through the limiting groove, which is beneficial to the rapid splicing and limiting of the fixing ring 6. The limiting block 12 is arranged at one end of the fixing ring 6, and a plurality of rubber pads 7 are arranged on the side of the fixing ring 6. The rubber pad 7 is connected to the card groove 16, which is beneficial to increase the friction area, thereby effectively improving the stability of the two fixing rings 6 after connection. The fastener 14 is arranged at one end of the cover plate 13, and one end of the fastener 14 is connected to the pull ring 15, thereby ensuring that the limiting block 12 limits the fixing ring 6 stably, ensuring the stability of the connection between the aluminum tube 2 and the drainage wire clamp 3, improving the stability and reliability of the tension hardware, and thereby ensuring the normal use of the tension hardware.

[0027] The working principle of this embodiment is as follows: when in use, the aluminum tube 2 is first sleeved on the outside of the tension clamp body 1, and then the aluminum tube 2 is hydraulically mounted on the outside of the tension clamp body 1. A mounting block 19 is provided at one end of the aluminum tube 2, and a sliding moving block 18 is slid so that the moving block 18 slides on the inner side of the slide groove 17, thereby facilitating the connection of the drainage clamp 3 with the aluminum tube 2. A mounting seat 4 is provided on the side of the mounting block 19, and by rotating the rotating shaft 5, the fixing ring 6 is engaged with the mounting block 19 and the mounting block 20. The fixing ring 6 is clamped and fixed, and a docking block 8 is arranged on the side thereof. The docking block 8 is clamped in the inside of the docking groove 11. A through hole is opened in the inside of the docking block 8. The elasticity of the spring 9 is utilized so that the push rod 10 passes through the limiting groove, which is beneficial to the fast splicing and limiting of the fixing ring 6. The fastener 14 is arranged at one end of the cover plate 13, and one end of the fastener 14 is connected to the pull ring 15, thereby ensuring the stable limiting of the fixing ring 6 by the limiting block 12, and ensuring the stability of the connection between the aluminum tube 2 and the drainage wire clamp 3.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A tension fitting for an overhead power transmission and transformation line, comprising a tension clamp body (1), characterized in that: The outer side of the tension clamp body (1) is sleeved with an aluminum tube (2), one end of the aluminum tube (2) is provided with a mounting block (19), the side of the mounting block (19) is provided with a mounting seat (4), the side of the mounting seat (4) is symmetrically provided with a rotating shaft (5), the outer side of the rotating shaft (5) is provided with a fixing ring (6), the side of a single fixing ring (6) is provided with a docking block (8), the outer side of the docking block (8) is provided with a docking groove (11), the docking block (8) and the docking groove (11) are clamped together, the side of the mounting block (19) is provided with a mounting block (20), the fixing ring (6) is provided on the outer side of the mounting block (19) and the mounting block (20), and one end of the mounting block (20) is provided with a drainage clamp (3).

2. The tension fitting for overhead power transmission and transformation lines according to claim 1, characterized in that: Through holes are provided on both sides of the docking block (8), a spring (9) is arranged inside the through hole, one end of the spring (9) is connected to a push rod (10), and limiting grooves are provided on both sides of the docking groove (11), and one end of the push rod (10) passes through the limiting groove.

3. The tension fitting for overhead power transmission and transformation lines according to claim 1, characterized in that: A plurality of rubber pads (7) are arranged at one end of the fixing ring (6), a limiting block (12) is arranged at one end of the fixing ring (6), a plurality of slots (16) are arranged inside the limiting block (12), and the rubber pads (7) are engaged with the slots (16).

4. The tension fitting for overhead power transmission and transformation lines according to claim 3 is characterized in that: A pull ring (15) is provided on the side of the limit block (12), and a cover plate (13) is provided on the top of the limit block (12).

5. The tension fitting for overhead power transmission and transformation lines according to claim 4, characterized in that: One end of the cover plate (13) is connected to a buckle piece (14), and one end of the buckle piece (14) is connected to a pull ring (15).

6. The tension fitting for overhead power transmission and transformation lines according to claim 1, characterized in that: The side surface of the first installation block (19) is symmetrically provided with a slide groove (17), and the two sides of the second installation block (20) are provided with a moving block (18), and the outer side of the moving block (18) is movably arranged on the inner side of the slide groove (17).

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