Assembling and disassembling tool for supporting insulator of enclosed bus

By combining the clamping and lifting mechanisms, the problems of easy sagging and non-vertical installation of the support insulators during disassembly and assembly were solved, thereby improving the stability and insulation strength of the support insulators and ensuring the vertical installation and protection of the busbar conductors.

CN223583612UActive Publication Date: 2025-11-21HUBEI QINGJIANG HYDROPOWER DEV +1
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Patent Information

Application Number
CN202520276473.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-11-21
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

In the existing process of dismantling and assembling support insulators for enclosed busbars, the support insulators are prone to falling, colliding with the busbar casing, and not being installed vertically, which leads to a reduction in the insulation strength of the insulators and a weakening of their supporting function.

Method used

A fixture for disassembling and assembling enclosed busbar support insulators was designed. The support insulators are held by arc-shaped clamping blocks of the clamping mechanism, and the position and height are adjusted by the lifting mechanism to ensure that the support insulators are installed perpendicular to the busbar conductors. Protective pads in the arc-shaped clamping grooves are used to prevent bumps and knocks.

Benefits of technology

It improves the stability and installation accuracy of the supporting insulators, avoids damage from impacts, ensures the vertical installation of the insulators and busbar conductors, and enhances the insulation strength and support effect of the insulators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an enclosed bus support insulator dismounting tool, which comprises a base, a lifting mechanism and a clamping mechanism, the lifting mechanism is slidably and adjustably mounted on the base, the clamping mechanism is mounted on the lifting mechanism, the clamping mechanism at least comprises two annularly and uniformly distributed clamping jaws, the end parts of the clamping jaws are fixedly connected with arc-shaped clamping blocks, and the arc-shaped clamping blocks are fixedly connected with the lifting mechanism. And arc-shaped clamping grooves are formed in the inner arc surfaces of the arc-shaped clamping blocks. The supporting insulator is clamped through the arc-shaped clamping blocks of the clamping jaws on the clamping mechanism, stability is good, the position and height of the supporting insulator can be adjusted when the supporting insulator is installed, the supporting insulator is not prone to colliding with a bus shell, and the supporting insulator and a bus conductor can be vertically installed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydropower plant maintenance operation tool, especially relates to a closed busbar support insulator dismounting tool. BACKGROUND

[0002] The existing closed busbar support insulator dismounting process is manually held, which has the following shortcomings: the support insulator is too heavy, and the manually held support insulator is prone to falling during dismounting, the support insulator is prone to colliding with the busbar shell, the porcelain bottle glaze of the support insulator is damaged, and the insulation strength of the insulator is reduced. In addition, the existing installation process cannot install the support insulator and the busbar conductor vertically, and the mushroom nails at the ends of the insulator are prone to misalignment with the busbar conductor, thereby reducing the support effect of the support insulator. SUMMARY

[0003] The utility model discloses a closed busbar support insulator dismounting tool, which clamps the support insulator through the arc-shaped clamping block of the clamping jaw on the clamping mechanism, has good stability, and the position and height of the support insulator during installation can be adjusted, the support insulator is not prone to colliding with the busbar shell, and the support insulator and the busbar conductor can be installed vertically.

[0004] To achieve the above object, the utility model provides a closed busbar support insulator dismounting tool, including base, lifting mechanism and clamping mechanism, the lifting mechanism can slideable adjustment install on the base, clamping mechanism installs on the lifting mechanism, the clamping mechanism at least includes two ring shape even distribution installs clamping jaw, and the clamping jaw end is fixedly connected with arc clamping block, and the inner circular arc surface of arc clamping block is provided with arc clamping groove.

[0005] The upper side of the base is provided with at least one sliding groove, and a sliding block is slidably installed in the sliding groove.

[0006] The lifting mechanism adopts a scissor jack structure or a scissor lift structure.

[0007] The clamping mechanism includes a fixed seat, a connecting rod, a clamping jaw, a movable seat and an adjusting mechanism. The fixed seat is fixedly installed on the top of the lifting mechanism. Two connecting rods are symmetrically hinged to the fixed seat. The ends of the two connecting rods away from the fixed seat are respectively hinged to the middle parts of the two clamping jaws. The ends of the two clamping jaws away from the arc clamping block are simultaneously hinged to the movable seat. One end of the adjusting mechanism is connected to the fixed seat, and the other end is connected to the movable seat. By adjusting the distance between the movable seat and the fixed seat, the spacing between the arc clamping blocks on the two clamping jaws is adjusted.

[0008] The adjusting mechanism is a pneumatic cylinder or an electric push rod.

[0009] The adjusting mechanism is a screw rod, which is movably arranged through the fixed seat and then threadedly connected with the movable seat, and the screw rod has a polygonal head at one end located in the fixed seat.

[0010] The arc-shaped clamping groove is provided with a protective pad.

[0011] Compared with the prior art, the utility model has the following technical effects:

[0012] 1、 the utility model discloses a arc -shaped clamping block of the clamping mechanism is used for clamping support insulator, and good stability is obtained, and the position and height of support insulator during installation can be adjusted, and support insulator is not easy to knock with bus shell, and can make support insulator and bus conductor vertically install.

[0013] 2、 the utility model discloses a arc -shaped clamping groove is provided with a protective pad, and when clamping, support insulator can be protected. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below.

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a three-dimensional structure schematic view of the clamping mechanism of the utility model.

[0017] Figure 3 It is a three-dimensional structure schematic view of the base of the utility model on installing the lifting mechanism.

[0018] Reference signs:

[0019] Base 10, sliding groove 11, sliding block 12;

[0020] Lifting mechanism 20;

[0021] Clamping mechanism 30, fixed seat 31, connecting rod 32, first pin shaft 321, second pin shaft 322, clamping jaw 33, arc-shaped clamping block 34, arc-shaped clamping groove 341, movable seat 35, adjusting mechanism 36, polygonal head 361. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, and the embodiments described below are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0023] Embodiment 1:

[0024] Referring toFigures 1-3 The utility model provides a closed bus support insulator dismounting frock, including base 10, lifting mechanism 20 and clamping mechanism 30, lifting mechanism 20 can be slidably adjusted and is installed on base 10, clamping mechanism 30 is installed on lifting mechanism 20, clamping mechanism 30 at least includes two annularly distributed clamping jaw 33, and the end fixedly connected with arc clamping block 34 of clamping jaw 33 is provided with arc clamping groove 341 of inner arc surface of arc clamping block 34. The arc clamping block 34 of clamping jaw 33 on clamping mechanism 30 is clamped to support insulator, and the stability is good, and the position and height of support insulator can be adjusted when installing, and support insulator is not easy to knock with bus shell, and can make support insulator and bus conductor be perpendicular installation.

[0025] When using, since the outer surface of the support insulator has a plurality of convex ring structures, the arc clamping groove 341 of the arc clamping block 34 is clamped on one of the convex ring structures, thereby preventing the support insulator from being turned over and keeping the support insulator in a horizontal state. When installing, the position of the lifting mechanism 20 on the base 10 is adjusted by moving, thereby translating the support insulator, and the height of the support insulator is adjusted by adjusting the lifting mechanism 20.

[0026] In the embodiment, the clamping mechanism 30 can adopt the clamping jaw device disclosed in CN221391115U. When using, the arc clamping block 34 is installed at the end of the vertical plate away from the transmission box.

[0027] In the embodiment, referring to Figure 3 The upper side of the base 10 is provided with at least one sliding groove 11 in a convex shape, and a sliding block 12 is slidably installed in the sliding groove 11, and the bottom of the lifting mechanism 20 is fixedly installed on the sliding block 12.

[0028] When using, the width and length of the base 10 can be selected according to actual needs, and the number of sliding grooves 11 can also be selected according to actual needs.

[0029] In addition to the above structure, the lifting mechanism 20 can also slide on the base 10 by using other structures, for example, a linear guide rail is installed on the base 10, a matching sliding block is installed on the linear guide rail, and the bottom of the lifting mechanism 20 is fixedly installed on the sliding block 12.

[0030] Specifically, the lifting mechanism 20 adopts a scissor jack structure or a scissor lifting structure. For example, a scissor jack structure disclosed in CN201473257U is adopted, or a scissor lifting structure in CN220375732U is adopted.

[0031] Further, a protective pad is installed in the arc-shaped clamping groove 341.

[0032] Embodiment 2:

[0033] In this embodiment, referring to Figure 2 The clamping mechanism 30 comprises a fixed seat 31, a connecting rod 32, a clamping jaw 33, a movable seat 35 and an adjusting mechanism 36, the fixed seat 31 is fixedly installed on the top of the lifting mechanism 20, two connecting rods 32 are symmetrically hinged on the fixed seat 31, the ends of the two connecting rods 32 away from the fixed seat 31 are respectively hinged in the middle of two clamping jaws 33, the ends of the two clamping jaws 33 away from the arc-shaped clamping block 34 are simultaneously hinged with the movable seat 35, one end of the adjusting mechanism 36 is connected with the fixed seat 31, and the other end is connected with the movable seat 35, the distance between the movable seat 35 and the fixed seat 31 is adjusted, so that the distance between the arc-shaped clamping blocks 34 on the two clamping jaws 33 is adjusted.

[0034] In this embodiment, one end of the connecting rod 32 is hinged with the fixed seat 31 through a first pin shaft 321, the other end of the connecting rod 32 is hinged with the clamping jaw 33 through a second pin shaft 322, and a recess is arranged on the clamping jaw 33 at the hinged position of the connecting rod 32, the connecting rod 32 is inserted into the recess, and the stability is enhanced. Of course, the two sides of the fixed seat 31 are also provided with notches, and the connecting rod 32 is hinged in the notches.

[0035] In one scheme, the adjusting mechanism 36 is a gas cylinder or an electric push rod.

[0036] In another scheme, the adjusting mechanism 36 is a screw rod, the screw rod is movably arranged through the fixed seat 31, and then is threadedly matched and screwed with the movable seat 35, and the screw rod has a polygonal head 361 at one end located in the fixed seat 31. In use, the screw rod is rotated by rotating the polygonal head 361, so that the movable seat 35 is moved.

[0037] In Figure 2 When the screw rod is rotated and the movable seat 35 moves to one side of the fixed seat 31, the connecting rod 32 swings to one side of the arc-shaped clamping block 34, the two arc-shaped clamping blocks 34 are close to each other, the distance is reduced, and the support insulator is clamped.

[0038] The use method or principle of the utility model:

[0039] In use, the initial state of the tooling is as shown in Figure 1As shown, the lifting mechanism 20 is moved to position the two clamping jaws 33 of the clamping mechanism 30 on both sides of the support insulator, and then the adjusting mechanism 36 is rotated to drive the movable seat 35 to move, when the movable seat 35 moves to one side of the fixed seat 31, the connecting rod 32 swings to one side of the arc-shaped clamping block 34, and the two arc-shaped clamping blocks 34 are close to each other, thereby clamping the support insulator.

[0040] Then, the lifting mechanism 20 is moved to adjust the installation position, the lifting mechanism 20 is adjusted to adjust the installation height, and the support insulator is installed.

Claims

1. A tooling for disassembling and assembling enclosed busbar support insulators, characterized in that: The device includes a base (10), a lifting mechanism (20), and a clamping mechanism (30). The lifting mechanism (20) is slidably and adjustablely mounted on the base (10). The clamping mechanism (30) is mounted on the lifting mechanism (20). The clamping mechanism (30) includes at least two annularly distributed clamping claws (33). The ends of the clamping claws (33) are fixedly connected to arc-shaped clamping blocks (34). The inner arc surface of the arc-shaped clamping blocks (34) is provided with arc-shaped clamping grooves (341).

2. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 1, characterized in that: The upper side of the base (10) is provided with at least one slide groove (11), and a slider (12) is slidably installed in the slide groove (11). The bottom of the lifting mechanism (20) is fixed on the slider (12).

3. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 1, characterized in that: The lifting mechanism (20) adopts a scissor jack structure or a scissor lift structure.

4. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 1, characterized in that: The clamping mechanism (30) includes a fixed seat (31), connecting rods (32), grippers (33), movable seat (35), and adjustment mechanism (36). The fixed seat (31) is fixedly installed on the top of the lifting mechanism (20). Two connecting rods (32) are symmetrically hinged on the fixed seat (31). The ends of the two connecting rods (32) away from the fixed seat (31) are respectively hinged to the middle of the two grippers (33). The ends of the two grippers (33) away from the arc-shaped clamping blocks (34) are simultaneously hinged to the movable seat (35). One end of the adjustment mechanism (36) is connected to the fixed seat (31), and the other end is connected to the movable seat (35). By adjusting the distance between the movable seat (35) and the fixed seat (31), the distance between the arc-shaped clamping blocks (34) on the grippers (33) on both sides is adjusted.

5. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 4, characterized in that: The adjustment mechanism (36) is a cylinder or an electric push rod.

6. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 4, characterized in that: The adjustment mechanism (36) is a screw. The screw passes through the fixed seat (31) and then is screwed into the movable seat (35) by thread. The screw has a polygonal head (361) at one end located in the fixed seat (31).

7. The assembly and disassembly fixture for the enclosed busbar support insulator according to claim 1, characterized in that: A protective pad is installed inside the arc-shaped clamping groove (341).

Citation Information

Patent Citations

  • Scissor jack

    CN201473257U

  • Intelligent logistics transportation grabbing mechanism

    CN220375732U

  • Clamping jaw device stable in clamping

    CN221391115U