Novel insulating pull rod assembly

Through threaded connection and screw fixing, the problems of inconvenient length adjustment of the insulating rod assembly and disassembly of the fork block are solved, the convenient adjustment and disassembly of the insulating rod assembly are realized, and the installation efficiency is improved.

CN223450618UActive Publication Date: 2025-10-17SICHUAN SHUNAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202422953209.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-17
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing insulating pull rod assembly is not convenient for length adjustment, and the fork block body is welded to the right-handed pin rod structure, which is not convenient for disassembly and assembly.

Method used

By adopting the threaded connection and screw fixing method, the length adjustment of the insulating pull rod is achieved through the combined structure of the first and second connecting rods, the adjusting rod and the moving rod, and the convenient disassembly and assembly of the fork block body and the right-hand pin rod head is achieved through the screw connection.

Benefits of technology

The length of the insulating pull rod assembly can be easily adjusted, the installation and debugging efficiency is improved, and the replacement and disassembly of the fork block body are facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel insulating pull rod assembly, which relates to the technical field of insulating pull rods and comprises an insulating pull rod body and a shifting fork block body, a first connecting block is fixed at the top end of the insulating pull rod body, and the inside of the first connecting block is in threaded connection with the bottom end of a first connecting rod. A first adjusting rod is fixed to the upper surface of the first connecting rod, a left-handed pin rod head is fixed to the upper surface of the first moving rod, a second connecting block is fixed to the bottom end of the insulating pull rod body, the interior of the second connecting block is in threaded connection with the top end of a second connecting rod, and a second adjusting rod is fixed to the lower surface of the second connecting rod. A right-handed pin rod head is fixed to the lower surface of the second moving rod, and a shifting fork block pin shaft is fixed to the outer side face of the bottom end of the shifting fork block body. According to the novel insulating pull rod assembly, the length of the novel insulating pull rod assembly is convenient to adjust, the installation and debugging efficiency is improved, and the shifting fork block body is convenient to disassemble and assemble.
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Description

Technical Field

[0001] The utility model relates to the technical field of insulating pull rods, in particular to a novel insulating pull rod assembly. Background Art

[0002] The insulating pull rod assembly includes a left-hand pin rod, an insulating pull rod, a right-hand pin rod, a shift fork block, and a shift fork block pin shaft. The insulating pull rod is used when closing or opening a high-voltage disconnector, installing and removing a portable grounding wire, and performing measurements and tests.

[0003] For example, Chinese invention patent publication number CN217507143U discloses a circuit breaker and disconnector linkage device for a pole-mounted circuit breaker. The device features a simple structure, small size, a small number of components, high reliability, and a long service life. Through the connections between a main shaft assembly, an insulating pull rod assembly, an isolation transmission assembly, and a circuit breaker transmission assembly, the device achieves linkage between the circuit breaker and disconnector, maintains the required operating time interval for normal operation, and prevents the influence of the disconnector contact electrodynamics on the circuit breaker operation.

[0004] However, the existing new insulating pull rod assembly is not convenient for length adjustment, and the fork block body is welded to the right-hand pin rod structure, which is not convenient for disassembly and assembly. Therefore, we propose a new insulating pull rod assembly to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a new insulating pull rod assembly to solve the problem that the existing new insulating pull rod assembly proposed in the above background technology is inconvenient to adjust the length, and the fork block body is welded to the right-hand pin rod structure, which is inconvenient to disassemble and assemble.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a novel insulating pull rod assembly, comprising an insulating pull rod body and a fork block body:

[0007] A first connecting block is fixed to the top of the insulating pull rod body, and the bottom end of the first connecting rod is connected to the inner thread of the first connecting block. A first adjusting rod is fixed to the upper surface of the first connecting rod, and a first moving rod is provided inside the first adjusting rod. A left-handed pin rod head is fixed to the upper surface of the first moving rod;

[0008] A second connecting block is fixed to the bottom end of the insulating pull rod body, and the internal thread of the second connecting block is connected to the top end of the second connecting rod, a second adjusting rod is fixed to the lower surface of the second connecting rod, and a second moving rod is provided inside the second adjusting rod, and a right-handed pin rod head is fixed to the lower surface of the second moving rod;

[0009] A shift fork block pin is fixed to the outer side surface of the bottom end of the shift fork block body.

[0010] Preferably, the first moving rod and the first adjusting rod form a lifting structure, and screw holes are provided at equal intervals inside the first moving rod.

[0011] Preferably, the second moving rod and the second adjusting rod form a lifting structure, and screw holes are provided at equal intervals inside the second moving rod.

[0012] Preferably, the right-handed pin rod head is fixedly connected to the top end of the fork block body by a screw.

[0013] Preferably, the fork block pin shaft is symmetrically arranged with respect to the transverse center line of the fork block body.

[0014] Preferably, the first connecting rod, the first adjusting rod, the first moving rod and the left-handed pin rod head constitute a left-handed pin rod structure.

[0015] Preferably, the second connecting rod, the second adjusting rod, the second moving rod and the right-handed pin rod head constitute a right-handed pin rod structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the new insulating pull rod assembly is convenient for adjusting the length of the new insulating pull rod assembly, thereby improving the installation and debugging efficiency and facilitating the disassembly and assembly of the fork block body;

[0017] 1. Raise or lower the first movable rod inside the first adjusting rod, thereby adjusting the length of the left-handed pin structure composed of the first connecting rod, the first adjusting rod, the first movable rod, and the left-handed pin head;

[0018] The second movable rod is raised and lowered inside the second adjusting rod, thereby adjusting the length of the right-hand pin structure composed of the second connecting rod, the second adjusting rod, the second movable rod and the right-hand pin head, thereby adjusting the length of the new insulating pull rod assembly;

[0019] 2. The right-hand pin rod head is fixedly connected to the top of the fork block body by screws, which makes it easy to disassemble and assemble the right-hand pin rod head and the fork block body, thereby facilitating the replacement of the fork block body;

[0020] 3. Since the internal thread of the first connecting block is connected to the bottom end of the first connecting rod, and the internal thread of the second connecting block is connected to the top end of the second connecting rod, it is convenient to disassemble and assemble the left-hand pin rod structure and the right-hand pin rod structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the first axial side structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0023] Figure 3The utility model discloses a decomposition structure schematic drawing for the utility model;

[0024] Figure 4 The utility model discloses a second axle side structure schematic drawing for the utility model;

[0025] Figure 5 The utility model discloses a right-handed pin rod head and shift fork block body connecting structure schematic drawing.

[0026] In the drawing: 1, insulating pull rod body;2, first connecting block;3, first connecting rod;4, first adjusting rod;5, first moving rod;6, left-handed pin rod head;7, second connecting block;8, second connecting rod;9, second adjusting rod;10, second moving rod;11, right-handed pin rod head;12, shift fork block body;13, shift fork block pin shaft. Specific embodiments

[0027] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0028] Embodiment one: please refer to Figures 1-3 The existing novel insulating pull rod assembly is inconvenient to adjust the length, and in order to solve this technical problem, the embodiment discloses the following technical content;

[0029] A novel insulating pull rod assembly, the top end of the insulating pull rod body 1 is fixed with the first connecting block 2, and the bottom end of the first connecting rod 3 is screw connected in the inside of the first connecting block 2, the upper surface of the first connecting rod 3 is fixed with the first adjusting rod 4, and the inside of the first adjusting rod 4 is provided with the first moving rod 5, the upper surface of the first moving rod 5 is fixed with the left-handed pin rod head 6, and the first connecting rod 3, the first adjusting rod 4, the first moving rod 5 and the left-handed pin rod head 6 form a left-handed pin rod structure;

[0030] The bottom end of the insulating pull rod body 1 is fixed with the second connecting block 7, and the top end of the second connecting rod 8 is screw connected in the inside of the second connecting block 7, the lower surface of the second connecting rod 8 is fixed with the second adjusting rod 9, and the inside of the second adjusting rod 9 is provided with the second moving rod 10, the lower surface of the second moving rod 10 is fixed with the right-handed pin rod head 11, and the second connecting rod 8, the second adjusting rod 9, the second moving rod 10 and the right-handed pin rod head 11 form a right-handed pin rod structure;

[0031] When length adjustment is needed, the screw for connecting the first adjustment rod 4 and the first moving rod 5 is removed, then the first moving rod 5 is lifted in the interior of the first adjustment rod 4, after the extension length of the first moving rod 5 is adjusted, the first adjustment rod 4 and the first moving rod 5 are fixed again through the screw, then the screw for connecting the second adjustment rod 9 and the second moving rod 10 is removed, then the second moving rod 10 is lifted in the interior of the second adjustment rod 9, after the extension length of the second moving rod 10 is adjusted, the second adjustment rod 9 and the second moving rod 10 are fixed through the screw, so that the overall length of the novel insulating pull rod assembly is adjusted.

[0032] Embodiment two: the existing novel insulating pull rod assembly, the yoke block body 12 is welded with the right-handed pin rod structure, which is inconvenient to disassemble, in order to solve this technical problem, the embodiment discloses the following technical content, please refer to Figures 1-3 - Figure 5 ;

[0033] The yoke block body 12 is fixed with the yoke block pin shaft 13 on the bottom outer side, the yoke block pin shaft 13 is symmetrically arranged about the transverse center line of the yoke block body 12, and the right-handed pin rod head 11 is fixedly connected with the top end of the yoke block body 12 through a screw;

[0034] When the yoke block body 12 and the right-handed pin rod structure need to be disassembled, the screw for connecting the right-handed pin rod head 11 and the yoke block body 12 is removed, the right-handed pin rod head 11 and the yoke block body 12 are disassembled, and then the yoke block body 12 is replaced;

[0035] The above completes a series of operations of the novel insulating pull rod assembly, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A novel insulating pull rod assembly, comprising an insulating pull rod body (1) and a fork block body (12), characterized in that: A first connecting block (2) is fixed to the top of the insulating pull rod body (1), and the bottom end of the first connecting rod (3) is connected to the inner thread of the first connecting block (2), a first adjusting rod (4) is fixed to the upper surface of the first connecting rod (3), and a first moving rod (5) is provided inside the first adjusting rod (4), and a left-handed pin rod head (6) is fixed to the upper surface of the first moving rod (5); A second connecting block (7) is fixed to the bottom end of the insulating pull rod body (1), and the internal thread of the second connecting block (7) is connected to the top end of the second connecting rod (8), a second adjusting rod (9) is fixed to the lower surface of the second connecting rod (8), and a second moving rod (10) is provided inside the second adjusting rod (9), and a right-handed pin rod head (11) is fixed to the lower surface of the second moving rod (10); A shift fork block pin shaft (13) is fixed to the outer side surface of the bottom end of the shift fork block body (12).

2. The novel insulating pull rod assembly according to claim 1, characterized in that: The first moving rod (5) and the first adjusting rod (4) form a lifting structure, and screw holes are provided at equal intervals inside the first moving rod (5).

3. The novel insulating pull rod assembly according to claim 1, characterized in that: The second moving rod (10) and the second adjusting rod (9) form a lifting structure, and screw holes are provided at equal intervals inside the second moving rod (10).

4. The novel insulating pull rod assembly according to claim 1, characterized in that: The right-handed pin rod head (11) is fixedly connected to the top end of the fork block body (12) via a screw.

5. The novel insulating pull rod assembly according to claim 1, characterized in that: The fork block pin shaft (13) is symmetrically arranged with respect to the transverse center line of the fork block body (12).

6. The novel insulating pull rod assembly according to claim 1, characterized in that: The first connecting rod (3), the first adjusting rod (4), the first moving rod (5) and the left-handed pin rod head (6) constitute a left-handed pin rod structure.

7. The novel insulating pull rod assembly according to claim 1, characterized in that: The second connecting rod (8), the second adjusting rod (9), the second moving rod (10) and the right-handed pin rod head (11) constitute a right-handed pin rod structure.

Citation Information

Patent Citations

  • Circuit breaker and isolating switch linkage device for pole-mounted circuit breaker

    CN217507143U