Anti-falling overhead line fitting string

By installing climbing foot nails and other fall-off devices on the PT adjustment board of the overhead line metal string, the problem of maintenance personnel being prone to falling when walking at high altitude is solved, and the effect of improving the safety of high altitude maintenance is achieved.

CN222620633UActive Publication Date: 2025-03-14CHENGDU ELECTRIC POWER FITTINGS WORKS
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Patent Information

Application Number
CN202420671541.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-03-14
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

The surface of the PT adjustment plate in the overhead line metal string is smooth and has a long length, which causes power maintenance personnel to easily fall accidents when walking and repairing at high altitudes, posing personal safety hazards.

Method used

A fall-proof overhead line metal string is designed. By installing climbing foot nails, upper fixing cover plate, lower fixing cover plate, upper fastener and lower fastener on the PT adjustment plate of the metal string body, multiple footing points and starting points are formed, which improves climbing safety.

Benefits of technology

The maintenance personnel's foothold and starting points have been added, which significantly improves the safety of high-altitude maintenance and reduces the occurrence of fall accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of power equipment, in particular to an anti-falling overhead line fitting string. The purpose of the utility model is to provide an anti-falling overhead line hardware string aiming at the problems in the prior art, the anti-falling overhead line hardware string comprises an anti-falling device, a hardware string body and a plurality of PT adjusting plates, the PT adjusting plates are provided with through holes, and the anti-falling device comprises climbing foot nails, an upper fixing cover plate, a lower fixing cover plate, an upper fastener and a lower fastener; the upper fixing cover plate and the lower fixing cover plate are located on the upper side and the lower side of the PT adjusting plate respectively, the upper ends of the climbing foot nails penetrate through the lower fixing cover plate, the through holes and the upper fixing cover plate and extend out of the upper fixing cover plate, and the upper fastening pieces and the lower fastening pieces are installed on the climbing foot nails and fix the upper fixing cover plate and the lower fixing cover plate to the upper side and the lower side of the PT adjusting plate. According to the utility model, a foothold and a starting point of a maintainer are added on the hardware string, so that the maintainer can climb and pass through the hardware string conveniently, and the safety of high-altitude maintenance is improved.
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Description

Technical Field

[0001] The utility model relates to an overhead line hardware string for preventing falling, belonging to the technical field of electric power equipment. Background Art

[0002] Overhead line towers are very high, with hardware strings often tens of meters above the ground. The PT adjustment plates in the hardware strings are smooth and long, so power maintenance personnel are prone to falling from heights when walking on them for maintenance, posing a huge risk to personal safety. Utility Model Content

[0003] The utility model aims to provide an overhead line hardware string for preventing falling in view of the problems existing in the prior art.

[0004] The utility model provides a technical solution to solve the above technical problems: an anti-fall overhead line hardware string, comprising an anti-fall device, a hardware string body and a plurality of PT adjustment plates installed on the hardware string body, the PT adjustment plate having a through hole, the anti-fall device comprising a climbing foot spike, an upper fixed cover plate, a lower fixed cover plate, an upper fastener and a lower fastener; the upper fixed cover plate and the lower fixed cover plate are respectively located at the upper and lower sides of the PT adjustment plate, the upper end of the climbing foot spike passes through the lower fixed cover plate, the through hole, the upper fixed cover plate and extends to the outside of the upper fixed cover plate, the upper fastener and the lower fastener are both installed on the climbing foot spike and fix the upper and lower fixed cover plates to the upper and lower sides of the PT adjustment plate.

[0005] A further technical solution is that the lower end of the climbing foot spike is a curved end.

[0006] A further technical solution is that the bending angle of the bent end is 135°.

[0007] A further technical solution is that both the upper fixed cover plate and the lower fixed cover plate are provided with protruding steps.

[0008] A further technical solution is that the diameter of the through hole is smaller than the diameter of the cover plate and is greater than or equal to the diameter of the protruding step.

[0009] A further technical solution is that the upper end of the climbing foot spike has an external thread, and the upper fastener and the lower fastener are both fastening nuts.

[0010] A further technical solution is that both the upper fixed cover plate and the lower fixed cover plate are provided with a central hole.

[0011] The utility model has the following beneficial effects: the utility model increases the footholds and starting points for maintenance personnel on the hardware string, making it convenient for maintenance personnel to climb and pass through, thereby improving the safety of high-altitude maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the combination of multiple PT adjustment plates;

[0014] Figure 3 This is a schematic diagram of the structure of the climbing foot spikes;

[0015] Figure 4 is the front view of the cover;

[0016] Figure 5 A top view of the cover.

[0017] As shown in the figure: 1- hardware string body; 2- PT adjustment plate; 3- climbing foot nails; 4- upper fixed cover plate; 5- lower fixed cover plate; 6- upper fastener; 7- lower fastener; 8- protruding step cover. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] like Figure 1-Figure 5As shown, the utility model provides an anti-falling overhead line hardware string, comprising an anti-falling device, a hardware string body 1, and a plurality of PT adjustment plates 2 installed on the hardware string body 1, wherein one PT adjustment plate 2 forms a single plate, two PT adjustment plates 2 are arranged up and down to form a double plate, and three PT adjustment plates 2 are overlapped to form a triple plate;

[0023] The PT adjusting plate 2 is provided with a through hole, and the anti-fall device includes a climbing foot spike 3, an upper fixed cover plate 4, a lower fixed cover plate 5, an upper fastener 6 and a lower fastener 7; the upper fixed cover plate 4 and the lower fixed cover plate 5 are respectively located on the upper and lower sides of the PT adjusting plate 2, the upper end of the climbing foot spike 3 passes through the lower fixed cover plate 5, the through hole, the upper fixed cover plate 4 and extends to the outside of the upper fixed cover plate 4, the upper fastener 6 and the lower fastener 7 are both installed on the climbing foot spike 3 and fix the upper and lower fixed cover plates 4 and 5 on the upper and lower sides of the PT adjusting plate 2.

[0024] In this embodiment, if Figure 3 As shown, in order to facilitate footing or starting, a preferred implementation is that the lower end of the climbing foot spike 3 is a curved end, and the bending angle of the curved end is 135°.

[0025] In this embodiment, if Figure 4 As shown, in order to better fix the climbing foot spikes 3, a preferred embodiment is that both the upper fixed cover plate 4 and the lower fixed cover plate 5 are provided with a protruding step 8, and the diameter of the through hole is smaller than the diameter of the cover plate and greater than or equal to the diameter of the protruding step 8.

[0026] In this embodiment, the upper end of the climbing foot spike 3 has an external thread, the upper fastener 6 and the lower fastener 7 are both fastening nuts, and the upper fixed cover plate 4 and the lower fixed cover plate 5 are both provided with a central hole.

[0027] The above description does not impose any formal limitation on the present invention. Although the present invention has been disclosed through the above embodiments, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the contents of the technical solution of the present invention, such as the spiral in the present invention, which can be a secondary single-start spiral, a secondary double-start spiral or a multi-start spiral, still falls within the scope of the technical solution of the present invention.

Claims

1. An overhead line hardware string for preventing falling, characterized in that: The invention comprises a fall prevention device, a hardware string body (1) and a plurality of PT adjustment plates (2) mounted on the hardware string body (1); the PT adjustment plate (2) has a through hole; the fall prevention device comprises a climbing foot spike (3), an upper fixed cover plate (4), a lower fixed cover plate (5), an upper fastener (6) and a lower fastener (7); the upper fixed cover plate (4) and the lower fixed cover plate (5) are respectively located on the upper and lower sides of the PT adjustment plate (2); the upper end of the climbing foot spike (3) passes through the lower fixed cover plate (5), the through hole and the upper fixed cover plate (4) and extends to the outside of the upper fixed cover plate (4); the upper fastener (6) and the lower fastener (7) are both mounted on the climbing foot spike (3) and fix the upper fixed cover plate (4) and the lower fixed cover plate (5) on the upper and lower sides of the PT adjustment plate (2).

2. The anti-fall overhead line hardware string according to claim 1, characterized in that: The lower end of the climbing foot spike (3) is a curved end.

3. The anti-fall overhead line hardware string according to claim 2, characterized in that: The bending angle of the bent end is 135°.

4. The anti-fall overhead line hardware string according to claim 1, characterized in that: The upper fixed cover plate (4) and the lower fixed cover plate (5) are both provided with protruding steps (8).

5. The anti-fall overhead line hardware string according to claim 4, characterized in that: The diameter of the through hole is smaller than the diameter of the cover plate and is greater than or equal to the diameter of the protruding step (8).

6. The anti-fall overhead line hardware string according to claim 1, characterized in that: The upper end of the climbing foot spike (3) has an external thread, and the upper fastener (6) and the lower fastener (7) are both fastening nuts.

7. The anti-fall overhead line hardware string according to claim 1, characterized in that: The upper fixed cover plate (4) and the lower fixed cover plate (5) are both provided with a central hole.