Tensioning clamp of power transmission tower

The design of the lifting mechanism and the moving mechanism solves the problem of the tensioning clamp being unable to adjust, realizes flexible adjustment of height and angle, improves the flexibility and stability of use, and is suitable for wire fixation in various environmental conditions.

CN223309555UActive Publication Date: 2025-09-05ZHEJIANG JINTA POWER CIRCUIT EQUIP
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Patent Information

Application Number
CN202422402330.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-09-05
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The tensioning clamps of existing transmission towers cannot be flexibly adjusted according to the position of the conductors, resulting in the inability to adjust the height and angle, which affects the flexibility of use.

Method used

The lifting mechanism, reset mechanism and moving mechanism are adopted, and the threaded rod and sliding column are used to cooperate to realize the flexible adjustment of the height and angle of the tensioning clamp. The design of the lifting plate, rotating disk and limit slot is combined with the fixed installation of the arc plate to realize the stable fixation of the wire.

Benefits of technology

The flexible adjustment of the height and angle of the tensioning clamp is realized, which improves the flexibility and convenience of use. The structure is simple and suitable for stability and safety in various environmental conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The tensioning clamp of the power transmission tower comprises an installation plate, a lifting plate is installed on the surface of the installation plate through a lifting mechanism, an annular groove is formed in the top of the lifting plate, an annular block is installed on the inner wall of the annular groove in a sliding mode, and a rotating disc is fixedly installed on the top of the annular block. And a limiting groove is formed in the surface of the annular block. A wire is placed on the inner wall of a second wire clamp, a second threaded rod is rotated to drive a first wire clamp to move, the first wire clamp and the second wire clamp are matched to fix the wire, a sliding column is pulled to drive a limiting column to move, the limiting column leaves the inner wall of a limiting groove, and limiting installation of a rotating disc can be loosened; the rotating disc can be manually rotated, the first wire clamp and the second wire clamp can be adjusted to reach proper angles, the sliding column is loosened, the spring is reset to drive the limiting column to be inserted into the inner wall of the limiting groove, the rotating disc can be limited, and the angles of the first wire clamp and the second wire clamp can be conveniently adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of tensioning clamps, in particular to a tensioning clamp for a power transmission tower. Background Art

[0002] The transmission tower is the support point of the overhead line. If one circuit is erected on the transmission tower, it is a single-circuit transmission tower. If two circuits are erected on the transmission tower, it is a double-circuit transmission tower. A single circuit refers to a circuit with one power supply for one load; a double circuit refers to a circuit with two power supplies for one load. The tensioning clamp of the transmission tower is mainly used to fix and tension the conductors or ground wires in the transmission line to ensure its stability and safety under various environmental conditions.

[0003] When using a tensioning clamp, the entire clamp is usually installed on one side of the tower by bolts, and then the conductor is fixed by the wire clamp. However, after the existing wire clamp is fixed to the tower by bolts, the height and angle of the wire clamp cannot be adjusted, resulting in an inability to adjust according to the specific position of the conductor. The flexibility is poor and is not conducive to the use of the wire clamp. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a tensioning clamp for a transmission tower, which solves the problems in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A tensioning clamp for a transmission tower comprises a mounting plate, a lifting plate is mounted on the surface of the mounting plate via a lifting mechanism, an annular groove is provided on the top of the lifting plate, an annular block is slidably mounted on the inner wall of the annular groove, a rotating disk is fixedly mounted on the top of the annular block, a limiting groove is provided on the surface of the annular block, a notch is provided inside the lifting plate, a limiting column is mounted on the inner wall of the notch via a reset mechanism, a supporting plate is fixedly mounted on the top of the rotating disk, a first wire clamp is mounted on the surface of the supporting plate via a moving mechanism, a second wire clamp is fixedly mounted on one side of the supporting plate, a mounting mechanism is provided on one side of the mounting plate, and the limiting grooves are provided in multiple groups and are arranged in a circular array.

[0007] Preferably, the lifting mechanism includes a first threaded rod rotatably mounted on the surface of the mounting plate, a first moving block is threadedly sleeved on the surface of the first threaded rod, and one side of the first moving block is fixedly mounted to one side of the lifting plate.

[0008] Preferably, the reset mechanism includes a sliding column slidably mounted on the inner wall of the slot, a movable plate is fixedly mounted on one end of the sliding column, a spring is fixedly mounted on the inner wall of the slot, one end of the spring is fixedly mounted on one side of the movable plate, one side of the movable plate is fixedly mounted on one end of the limiting column, and the surface of the limiting column matches the inner wall of the limiting slot.

[0009] Preferably, the moving mechanism includes a second threaded rod rotatably mounted on the surface of the support plate, a second moving block is threadedly sleeved on the surface of the second threaded rod, and one side of the second moving block is fixedly mounted to one side of the first wire clamp.

[0010] Preferably, the mounting mechanism comprises an arc-shaped plate fixedly mounted on one side of the mounting plate, and bolts are threadedly mounted on the surface of the arc-shaped plate.

[0011] Preferably, a first sliding groove is provided on one side of the mounting plate, and an inner wall of the first sliding groove is in contact with a surface of the first moving block.

[0012] Preferably, a second sliding groove is provided on one side of the support plate, and an inner wall of the second sliding groove is in contact with the surface of the second moving block.

[0013] The present invention has the advantages that, compared with the prior art, the present invention has the following advantages: the tensioning clamp of the transmission tower can be installed as a whole by fitting the curved plate to the surface of the tower and fixing the curved plate with bolts; the conductor is placed on the inner wall of the second clamp and the first clamp is driven to move by rotating the second threaded rod, so that the first clamp and the second clamp cooperate to fix the conductor; the sliding column is driven to move the limiting column so that the limiting column leaves the inner wall of the limiting groove, and the limiting installation of the rotating disk can be loosened; the rotating disk can be manually rotated to adjust the first clamp and the second clamp to a suitable angle; the sliding column is loosened, and the spring returns to drive the limiting column to insert into the inner wall of the limiting groove, so that the rotating disk can be limited, which is convenient for adjusting the angle of the first clamp and the second clamp; the first threaded rod is driven to lift and lower the first clamp and the second clamp, which is convenient for adjusting the height of the first clamp and the second clamp, thereby achieving the purpose of facilitating the adjustment of the angle and height of the first clamp and the second clamp, with high flexibility, simple structure and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the positive isometric drawing of the utility model;

[0015] Figure 2 It is a schematic structural diagram of a cross-sectional view of the present utility model;

[0016] Figure 3 It is a structural diagram of a partial diagram of the utility model;

[0017] Figure 4 This is an enlarged view of point A of the present utility model.

[0018] In the figure: 1. Mounting plate; 2. First threaded rod; 3. First moving block; 4. Lifting plate; 5. Annular groove; 6. Annular block; 7. Rotating disk; 8. Limiting groove; 9. Notch; 10. Sliding column; 11. Spring; 12. Moving plate; 13. Limiting column; 14. Support plate; 15. Second threaded rod; 16. Second moving block; 17. First wire clamp; 18. Second wire clamp; 19. Arc plate; 20. Bolt; 21. First slide groove; 22. Second slide groove. DETAILED DESCRIPTION

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

[0020] Example: Refer to Figure 1-4 The utility model provides a technical solution, a tensioning clamp of a transmission tower, comprising a mounting plate 1, a lifting plate 4 is installed on the surface of the mounting plate 1 through a lifting mechanism, the lifting mechanism comprises a first threaded rod 2 rotatably mounted on the surface of the mounting plate 1, a first moving block 3 is threadedly sleeved on the surface of the first threaded rod 2, one side of the first moving block 3 and one side of the lifting plate 4 are fixedly installed, which is convenient for driving the lifting plate 4 to move up and down, a first sliding groove 21 is opened on one side of the mounting plate 1, the inner wall of the first sliding groove 21 is in contact with the surface of the first moving block 3, the first moving block 3 is limited, so that the movement of the first moving block 3 is more stable, and an annular groove 5 is opened on the top of the lifting plate 4. An annular block 6 is slidably installed on the inner wall of the shaped groove 5, and a rotating disk 7 is fixedly installed on the top of the annular block 6. A limiting groove 8 is provided on the surface of the annular block 6, and a notch 9 is provided inside the lifting plate 4. A limiting column 13 is installed on the inner wall of the notch 9 through a reset mechanism. The reset mechanism includes a sliding column 10 slidably installed on the inner wall of the notch 9, and a moving plate 12 is fixedly installed on one end of the sliding column 10. A spring 11 is fixedly installed on the inner wall of the notch 9, and one end of the spring 11 is fixedly installed on one side of the moving plate 12. One side of the moving plate 12 and one end of the limiting column 13 are fixedly installed, which is convenient for driving the limiting column 13 to reset and move. The surface of the limiting column 13 matches the inner wall of the limiting groove 8.

[0021] The second threaded rod 15 is threadedly sleeved with a second moving block 16, and one side of the second moving block 16 is fixedly installed to facilitate the movement of the first wire clamp 17. A second sliding groove 22 is provided on one side of the support plate 14, and the inner wall of the second sliding groove 22 fits the surface of the second moving block 16 to limit the second moving block 16, so that the movement of the second moving block 16 is more stable. A second wire clamp 18 is fixedly installed on one side of the support plate 14, and a mounting mechanism is provided on one side of the mounting plate 1. The mounting mechanism includes an arc plate 19 fixedly installed on one side of the mounting plate 1, and a bolt 20 is threadedly installed on the surface of the arc plate 19. The number of limiting grooves 8 is multiple and arranged in a circular array. By fitting the arc plate 19 to the surface of the iron tower, the arc plate 19 is fixed by the bolt 20. The first clamp 17 and the second clamp 18 are fixed, and the first clamp 17 and the second clamp 18 are fixed. By placing the wire on the inner wall of the second clamp 18, the first clamp 17 and the second clamp 18 are moved by rotating the second threaded rod 15, so that the first clamp 17 and the second clamp 18 cooperate to fix the wire. By pulling the sliding post 10, the limiting post 13 is moved, so that the limiting post 13 leaves the inner wall of the limiting groove 8, the limiting installation of the rotating disk 7 can be released, and the rotating disk 7 can be manually rotated to adjust the first clamp 17 and the second clamp 18 to a suitable angle. The sliding post 10 is released, and the spring 11 is reset to drive the limiting post 13 to insert into the inner wall of the limiting groove 8, so that the rotating disk 7 can be limited. It is convenient to adjust the angle of the first clamp 17 and the second clamp 18. By rotating the first threaded rod 2, the first clamp 17 and the second clamp 18 are driven to rise and fall, which is convenient for adjusting the height of the first clamp 17 and the second clamp 18, thereby achieving the purpose of facilitating the adjustment of the angle and height of the first clamp 17 and the second clamp 18. It has high flexibility and a simple structure and is easy to use.

[0022] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0023] During use: When using the tensioning clamp of the transmission tower, the curved plate 19 is fitted to the surface of the tower and fixed with the bolts 20 to install the whole. After installation, the wire is placed on the inner wall of the second wire clamp 18, and the second movable block 16 is driven to move by rotating the second threaded rod 15. The second movable block 16 drives the first wire clamp 17 to move, so that the first wire clamp 17 and the second wire clamp 18 cooperate to fix the wire. The movable plate 12 is driven to move by pulling the sliding column 10, and the movable plate 12 drives the limiting column 13 to move, so that the limiting column 13 leaves the inner wall of the limiting groove 8, and the limiting installation of the rotating disk 7 can be loosened. The rotating disk 7 can be manually rotated to adjust the first wire clamp. 17 and the second wire clamp 18 reach a suitable angle. After the adjustment is completed, the sliding column 10 is released, the spring 11 is reset to drive the movable plate 12 to move, and the movable plate 12 drives the limiting column 13 to insert into the inner wall of the limiting groove 8, so that the rotating disk 7 can be limited, which is convenient for adjusting the angle of the first wire clamp 17 and the second wire clamp 18. By rotating the first threaded rod 2, the first moving block 3 is driven to rise and fall, and the first moving block 3 drives the lifting plate 4 to rise and fall, and the lifting plate 4 drives the first wire clamp 17 and the second wire clamp 18 to rise and fall, which is convenient for adjusting the height of the first wire clamp 17 and the second wire clamp 18, thereby achieving the purpose of facilitating the adjustment of the angle and height of the first wire clamp 17 and the second wire clamp 18. It has high flexibility, simple structure and is easy to use.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tensioning clamp for a transmission tower, comprising a mounting plate (1), characterized in that: The surface of the mounting plate (1) is provided with a lifting plate (4) through a lifting mechanism, the top of the lifting plate (4) is provided with an annular groove (5), the inner wall of the annular groove (5) is slidably provided with an annular block (6), the top of the annular block (6) is fixedly provided with a rotating disk (7), the surface of the annular block (6) is provided with a limiting groove (8), the interior of the lifting plate (4) is provided with a notch (9), the inner wall of the notch (9) is provided with a limiting column (13) through a reset mechanism, the top of the rotating disk (7) is fixedly provided with a supporting plate (14), the surface of the supporting plate (14) is provided with a first wire clamp (17) through a moving mechanism, and a second wire clamp (18) is fixedly provided on one side of the supporting plate (14), and a mounting mechanism is provided on one side of the mounting plate (1), and the number of the limiting grooves (8) is multiple and arranged in a circular array.

2. The tensioning clamp for a transmission tower according to claim 1, characterized in that: The lifting mechanism comprises a first threaded rod (2) rotatably mounted on the surface of a mounting plate (1); a first moving block (3) is threadedly sleeved on the surface of the first threaded rod (2); one side of the first moving block (3) and one side of the lifting plate (4) are fixedly mounted.

3. The tensioning clamp for a transmission tower according to claim 1, characterized in that: The reset mechanism comprises a sliding column (10) slidably mounted on the inner wall of the slot (9), a movable plate (12) being fixedly mounted on one end of the sliding column (10), a spring (11) being fixedly mounted on the inner wall of the slot (9), one end of the spring (11) being fixedly mounted on one side of the movable plate (12), one side of the movable plate (12) being fixedly mounted on one end of a limiting column (13), and a surface of the limiting column (13) being matched with the inner wall of the limiting slot (8).

4. The tensioning clamp for a transmission tower according to claim 1, characterized in that: The moving mechanism comprises a second threaded rod (15) rotatably mounted on the surface of the support plate (14); a second moving block (16) is threadedly sleeved on the surface of the second threaded rod (15); one side of the second moving block (16) and one side of the first wire clamp (17) are fixedly mounted.

5. The tensioning clamp for a transmission tower according to claim 1, characterized in that: The mounting mechanism comprises an arc-shaped plate (19) fixedly mounted on one side of the mounting plate (1), and a bolt (20) is threadedly mounted on the surface of the arc-shaped plate (19).

6. The tensioning clamp for a transmission tower according to claim 2, characterized in that: A first sliding groove (21) is provided on one side of the mounting plate (1), and the inner wall of the first sliding groove (21) is in contact with the surface of the first moving block (3).

7. The tensioning clamp for a transmission tower according to claim 4, characterized in that: A second sliding groove (22) is provided on one side of the support plate (14), and the inner wall of the second sliding groove (22) is in contact with the surface of the second moving block (16).