Short circuit device for strain insulator string

By designing a tension-resistant insulator string shorting device including a conductor and a fixed mechanism on the tower, the problems of instability and difficulty in long distance observation of the existing device are solved, and higher stability and operational convenience are achieved.

CN222785689UActive Publication Date: 2025-04-22STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED
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Patent Information

Application Number
CN202420245840.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-31
Publication Date
2025-04-22
Estimated Expiration
2034-01-31

AI Technical Summary

Technical Problem

The existing tension-resistant insulator string shorting device is unstable, making it difficult to observe the shorting situation from a distance, and is inconvenient to assemble.

Method used

A short-circuiting device including a wire and two clamping mechanisms is designed, and the conductor is provided with a tower fixing mechanism, and a warning member is provided on the tower fixing mechanism. The fixing mechanism on the tower is fixed to the wire through the sleeve, the hanging joint and the fixing part, so the warning member is easy to observe from a distance.

Benefits of technology

The wire is fixed by the fixing mechanism on the tower to prevent violent shaking caused by wind blowing, improving the stability of the device; the warning element is convenient for long-distance observation, improving the safety and convenience of operation.

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Abstract

The utility model discloses a short circuit device used for a strain insulator string, comprising a lead and two clamping mechanisms respectively connected with two ends of the lead, the lead is sleeved with an on-tower fixing mechanism, and the on-tower fixing mechanism is provided with a warning member. The short circuit device for the strain insulator string prevents violent shaking caused by wind blowing, improves stability, and is convenient for long-distance observation.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric power construction tools and apparatuses, in particular to a short-circuiting device for a tension insulator string. Background Art

[0002] At present, newly built towers generally use tension insulator string short-circuiting devices to short-circuit the induced electricity of tension insulator strings, such as a method for short-circuiting and short-circuiting status monitoring of tension insulator strings with application number 202310675513.1, which discloses a tension insulator string short-circuiting device comprising: a colored flexible strip conductor, the width of the colored flexible strip conductor is 5-10cm, and its color is different from that of the insulator string; a clamp connected to both ends of the colored flexible strip conductor, the clamp is a cross-shaped hinged structure, one side of the hinged part is a clamping part, and the other side is a handle, a ratchet and an unlocking trigger are provided on the inner side of the handle, the ratchet is fixedly connected to one side of the handle, and the unlocking trigger is rotatably connected to the other side of the handle, and an electromagnetic unlocking component is fixedly connected to the side of the handle close to the unlocking trigger; a GPS positioning component installed on the clamp handle; an identity recognition component installed on the clamp handle.

[0003] The existing short-circuiting device for tension insulator strings has the following shortcomings: first, it is unstable. The colored flexible strip conductor is long and easy to shake under the action of wind; second, it is unclear. In practice, it is found that due to the high height of the iron tower, it is difficult to see whether the colored flexible strip conductor is short-circuited or whether it is removed after the work is completed, which brings certain difficulties to safety control; third, it is inconvenient to assemble. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a short-circuiting device for a tension insulator string which can prevent severe shaking caused by wind, improve stability and facilitate long-distance observation.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A short-circuiting device for a tension insulator string comprises a conductor and two clamping mechanisms respectively connected to two ends of the conductor. A tower fixing mechanism is sleeved on the conductor, and a warning piece is provided on the tower fixing mechanism.

[0007] As a further improvement of the above technical solution:

[0008] The tower fixing mechanism comprises a sleeve, a hanging part arranged on one side of the sleeve and a fixing part arranged on the other side of the sleeve. The sleeve is sleeved on the wire, and the warning member is arranged on the sleeve.

[0009] The hanging portion is arc-shaped.

[0010] The fixing part is provided with a hook.

[0011] The warning piece is a warning sheet with a reflective strip.

[0012] The clamping mechanism includes a clamping seat, a clamping block and a screwing piece. The clamping seat is provided with a U-shaped opening. The screwing piece is passed through a side wall of the U-shaped opening and is threadedly connected to the clamping seat. The clamping block is provided at one end of the screwing piece extending to the U-shaped opening.

[0013] The screwing member includes a screw rod and a rotating handle. The screw rod is inserted into a side wall of the U-shaped opening and is threadedly connected to the clamp seat. The clamp block is arranged at one end of the screw rod extending to the U-shaped opening, and the rotating handle is arranged at the other end of the screw rod.

[0014] Both ends of the wire are provided with connecting components, and the connecting components are correspondingly connected to the clamping mechanism.

[0015] The connection assembly comprises a connection block and a connection sleeve. The connection block is connected to the clamping mechanism via a connection bolt. The end of the wire is sleeved and fixed in the connection sleeve. The connection sleeve is arranged on the connection block.

[0016] A locking screw is arranged on the side wall of the connecting sleeve, and the locking screw is pressed tightly against the wire.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] The utility model is used for the short-circuit device of the tension insulator string. When in use, the clamping mechanisms at both ends of the conductor are respectively clamped on the two opposite tension insulator string hardware to form a short circuit; and the tower fixing mechanism is fixed on the fixed tower where the tension insulator string is located. On the one hand, the middle part of the conductor can be fixed on the fixed tower where the tension insulator string is located through the tower fixing mechanism to prevent violent shaking under the action of wind, thereby improving stability; on the other hand, a warning piece is provided on the tower fixing mechanism, which is convenient for the operator on the ground to observe from a distance, thereby facilitating the observation of the short circuit situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic structural diagram of a short-circuit device for a tension insulator string.

[0020] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at A.

[0021] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at B.

[0022] The symbols in the figure represent:

[0023] 1. Wire; 2. Clamping mechanism; 21. Clamp seat; 211. U-shaped mouth; 22. Clamp block; 23. Screw piece; 231. Screw rod; 232. Rotating handle; 3. Fixing mechanism on tower; 31. Sleeve body; 32. Lifting part; 33. Fixing part; 34. Hook; 4. Warning piece; 41. Reflective strip; 5. Connecting assembly; 51. Connecting block; 52. Connecting sleeve; 6. Connecting bolt; 7. Locking screw; 8. Fixing bolt. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like 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 or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Figures 1 to 3 An embodiment of the short-circuiting device for a tension insulator string of the utility model is shown. The short-circuiting device for a tension insulator string of this embodiment comprises a conductor 1 and two clamping mechanisms 2 respectively connected to the two ends of the conductor 1. A tower fixing mechanism 3 is sleeved on the conductor 1, and a warning member 4 is provided on the tower fixing mechanism 3.

[0029] When in use, the clamping mechanisms 2 at both ends of the conductor 1 are clamped on the two opposite tension insulator string hardware to form a short circuit; and the tower fixing mechanism 3 is fixed on the fixed tower where the tension insulator string is located. On the one hand, the middle part of the conductor 1 can be fixed on the fixed tower where the tension insulator string is located through the tower fixing mechanism 3 to prevent violent shaking under the action of wind, thereby improving stability; on the other hand, the tower fixing mechanism 3 is provided with a warning piece 4, which is convenient for operators on the ground to observe from a distance, thereby facilitating the observation of the short circuit.

[0030] Furthermore, in this embodiment, if Figure 2 As shown, the tower fixing mechanism 3 includes a sleeve 31, a hanging part 32 arranged on one side of the sleeve 31, and a fixing part 33 arranged on the other side of the sleeve 31. The sleeve 31 is sleeved on the conductor 1, and the warning member 4 is arranged on the sleeve 31. When short-circuiting, the fixing part 33 is fixed on the fixing tower where the tension insulator string is located, and the sleeve 31 is used to strengthen the stabilization of the conductor 1 to reduce shaking. The sleeve 31 is sleeved with the conductor 1 for easy assembly and disassembly. Through the hanging part 32, it is convenient to lift the short-circuit device of the tension insulator string.

[0031] Furthermore, in this embodiment, the hanging portion 32 is arc-shaped, which has a simple structure and is easy to process.

[0032] Furthermore, in this embodiment, a hook 34 is provided on the fixing portion 33. When the short-circuiting device of the tension insulator string is hoisted, the hook 34 can be used to hook a part of the conductor 1, thereby improving the stability of the hoisting process.

[0033] Furthermore, in this embodiment, the warning member 4 is a warning sheet with a reflective strip 41. The structure is simple and the manufacturing is convenient. Preferably, the warning sheet is fixed to the sleeve body 31 by a fixing bolt 8, which is convenient for removal and replacement.

[0034] Furthermore, in this embodiment, if Figure 3 As shown, the clamping mechanism 2 includes a clamping seat 21, a clamping block 22 and a screwing piece 23. The clamping seat 21 is provided with a U-shaped opening 211. The screwing piece 23 is inserted into a side wall of the U-shaped opening 211 and is threadedly connected to the clamping seat 21. The clamping block 22 is provided at one end of the screwing piece 23 extending to the U-shaped opening 211. The clamping seat 21 is a conductive seat, and the screwing piece 23 is an insulating piece. When in use, the clamping mechanisms 2 at both ends of the conductor 1 are respectively clamped on two opposite tension insulator string hardware fittings. Specifically, the U-shaped opening 211 is sleeved on the tension insulator string hardware fitting, and the screwing piece 23 is in a tightened state, so that the tension insulator string hardware fitting is clamped between the clamping block 22 and the other side of the U-shaped opening 211 relative to the clamping block 22. The structure is simple and easy to operate.

[0035] Furthermore, in the present embodiment, the screw member 23 includes a screw rod 231 and a rotating handle 232, the screw rod 231 is passed through the side wall of one side of the U-shaped opening 211 and is threadedly connected to the clamp seat 21, the clamp block 22 is arranged at one end of the screw rod 231 extending to the U-shaped opening 211, and the rotating handle 232 is arranged at the other end of the screw rod 231. The rotating handle 232 is an insulating handle. By rotating the rotating handle 232, the clamping and releasing of the hardware of the tension insulator string can be achieved, and the structure is simple and the operation is convenient. Preferably, the clamp block 22 is rotationally connected to the screw rod 231. More preferably, the size of the clamp block 22 is adapted to the size of the construction hole on the hardware of the tension insulator string. When clamping, the clamp block 22 is inserted into the construction hole on the hardware of the tension insulator string, thereby improving the stability of the clamping.

[0036] Further, in this embodiment, both ends of the wire 1 are provided with connection components 5, and the connection components 5 are correspondingly connected to the clamping mechanism 2. Specifically, the connection components 5 and the clamping mechanism 2 are detachably connected, which facilitates the assembly and disassembly of the wire 1 and the clamping mechanism 2.

[0037] Furthermore, in this embodiment, the connection assembly 5 includes a connection block 51 and a connection sleeve 52, the connection block 51 is connected to the clamping mechanism 2 by a connection bolt 6, the end of the wire 1 is fixed in the connection sleeve 52, and the connection sleeve 52 is arranged on the connection block 51. The connection block 51 is connected to the clamping mechanism 2 by the connection bolt 6, and the structure is simple and easy to disassemble and assemble.

[0038] Furthermore, in this embodiment, if Figure 3 As shown, a locking screw 7 is provided on the side wall of the connecting sleeve 52, and the locking screw 7 is pressed against the wire 1. The end of the wire 1 is inserted into the connecting sleeve 52 and is fixed by the locking screw 7, which is convenient for disassembly and assembly. Preferably, the wire 1 includes a copper wire and an insulating sleeve wrapped around the copper wire. The end of the copper wire is inserted into the connecting sleeve 52 and is fixed by the locking screw 7.

[0039] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, 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 content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A short-circuiting device for a tension insulator string, comprising a conductor (1) and two clamping mechanisms (2) respectively connected to two ends of the conductor (1), characterized in that: The conductor (1) is sleeved with a tower fixing mechanism (3), and the tower fixing mechanism (3) is provided with a warning member (4). The tower fixing mechanism (3) comprises a sleeve (31), a hanging portion (32) provided on one side of the sleeve (31), and a fixing portion (33) provided on the other side of the sleeve (31). The sleeve (31) is sleeved on the conductor (1), and the warning member (4) is provided on the sleeve (31). The clamping mechanism (2) comprises a clamping seat (21), a clamping block (22), and a screwing member (23). The clamping seat (21) is provided with a U-shaped opening (211), and the screwing member (23) is penetrated on a side wall of one side of the U-shaped opening (211) and is threadedly connected to the clamping seat (21), and the clamping block (22) is provided at one end of the screwing member (23) extending to the U-shaped opening (211).

2. The short-circuiting device for a tension insulator string according to claim 1, characterized in that: The hanging portion (32) is arc-shaped.

3. The short-circuiting device for a tension insulator string according to claim 2, characterized in that: The fixing portion (33) is provided with a hook (34).

4. The short-circuiting device for a tension insulator string according to claim 1, characterized in that: The warning piece (4) is a warning sheet with a reflective strip (41).

5. The short-circuiting device for a tension insulator string according to claim 1, characterized in that: The screwing member (23) comprises a screw rod (231) and a rotating handle (232); the screw rod (231) is inserted through a side wall of the U-shaped opening (211) and is threadedly connected to the clamping seat (21); the clamping block (22) is arranged at one end of the screw rod (231) extending to the U-shaped opening (211); and the rotating handle (232) is arranged at the other end of the screw rod (231).

6. The short-circuiting device for a tension insulator string according to any one of claims 1 to 5, characterized in that: Both ends of the wire (1) are provided with connection components (5), and the connection components (5) are correspondingly connected to the clamping mechanism (2).

7. The short-circuiting device for a tension insulator string according to claim 6, characterized in that: The connection assembly (5) comprises a connection block (51) and a connection sleeve (52); the connection block (51) is connected to the clamping mechanism (2) via a connection bolt (6); an end of the wire (1) is sleeved and fixed in the connection sleeve (52); and the connection sleeve (52) is arranged on the connection block (51).

8. The short-circuiting device for a tension insulator string according to claim 7, characterized in that: A locking screw (7) is provided on the side wall of the connecting sleeve (52), and the locking screw (7) is pressed against the wire (1).

Citation Information

Patent Citations

  • Short circuit of strain insulator string and short circuit state monitoring method

    CN116632719A