Disconnecting switch moving contact assembly tool
By designing an assembly fixture for the moving contact of the disconnector switch, and utilizing a combination of a fixed bracket and a clamping beam, the problem of the difficulty in removing the contact finger spring of the SPV type disconnector switch was solved, enabling quick and effortless replacement of the spring and improving the safety and efficiency of the power grid.
Patent Information
- Application Number
- CN202520086730.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-14
AI Technical Summary
In the existing technology, the contact finger clamping spring of the SPV type disconnect switch is prone to corrosion and breakage under long-term operation and high load, resulting in insufficient clamping force of the knife edge, affecting the safety of the power grid, and the spring is difficult to remove manually.
Design a tooling for assembling the moving contact of a disconnector switch, including a fixed bracket, a clamping beam and a pusher. By rotating the handle, the push-pull lever is driven to compress the contact finger spring, so as to achieve quick and labor-saving disassembly and installation.
This enables quick and effortless replacement of the contact springs of SPV type disconnect switches, improving work efficiency and ensuring the safe operation of the power grid.
Smart Images

Figure CN223757409U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power equipment technical field especially relates to a disconnecting switch movable contact assembly tool. BACKGROUND
[0002] At present, SPV type disconnecting switches are widely used in large substations, and each phase of the SPV type disconnecting switch has 2 pairs of contact fingers, and each pair of contact fingers has 4 spring left and right compression, which is used to fix the contact finger and ensure that there is enough contact pressure between the static contact and the contact surface of the contact finger, and the performance of the contact finger compression spring in the disconnecting switch has an important influence on the contact between the static contact and the contact finger, and all are bus disconnectors, due to long running time, heavy load, long power-off cycle and other reasons, there is a common problem of contact finger compression spring rust, which is serious and even rusted and broken, causing insufficient clamping force of the blade edge, the blade edge heating, and seriously threatening the safe operation of the power grid.
[0003] In order to eliminate the above hidden danger, it is necessary to replace the contact finger compression spring of the disconnecting switch, but due to the large spring force, it is difficult to compress the spring by manpower to remove the contact finger shaft pin and the spring. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies in the background art, the utility model aims to provide a disconnecting switch movable contact assembly tool.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A disconnecting switch movable contact assembly tool, comprising
[0007] A fixed support, wherein the fixed support comprises oppositely arranged upper and lower supports, and at least two mutually parallel support rods are arranged between the upper and lower supports;
[0008] A compression cross beam movably arranged between the upper and lower supports, and a guide rod is arranged between the compression cross beam and the upper support; and
[0009] A pusher penetrating the upper support and connected with the compression cross beam, the pusher drives the compression cross beam to reciprocate in a direction perpendicular to the upper support.
[0010] Further, the pusher comprises a fixed base arranged on the upper support, the fixed base is slidingly connected with a push-pull compression rod, and one end of the push-pull compression rod close to the compression cross beam is connected with the compression cross beam.
[0011] Further, the pushing piece further comprises a pressing handle, both sides of the pressing handle are connected with support plates corresponding to both sides of the fixed base, the pressing handle comprises a pivot joint part and a handle part, one end of the pivot joint part away from the handle part is pivotally connected with the end of the push-pull compression rod, and one end of the pivot joint part close to the handle part is pivotally connected with the support plate.
[0012] Further, the pivot joint part comprises oppositely arranged connecting plates, a rotating space is formed between the two connecting plates, and the end of the push-pull compression rod is located in the rotating space and is pivotally connected with the connecting plates.
[0013] Further, one end of the two connecting plates close to the handle part is close to each other and connected with each other, and the handle part is arranged at the connection position of the two connecting plates.
[0014] Further, the push-pull compression rod comprises a sleeve and a fastener threadedly connected with the sleeve, and the fastener is arranged in the pressing cross beam and is threadedly connected in the sleeve.
[0015] Further, the upper support is provided with a sleeve ring, the guide rod is slidingly connected in the sleeve ring and connected with the pressing cross beam close to the end of the pressing cross beam.
[0016] Further, the pressing cross beam is provided with at least two pressing blocks corresponding to one side of the lower support.
[0017] Further, the bottom of the lower support is provided with a handle.
[0018] The utility model discloses a beneficial effect is:
[0019] 1. The disconnector moving contact assembly tool can replace the spring of the SPV type disconnector quickly and labor-savingly, and has simple structure, saves labor consumption and improves work efficiency.
[0020] 2. The disconnector moving contact assembly tool is provided with the pushing piece and the pressing cross beam, the handle part is rotated to drive the push-pull compression rod to drive the pressing cross beam to move to the side close to the lower support and compress the contact finger spring, the pressing cross beam compresses the contact finger spring to the corresponding position, and then the shaft pin can be removed or inserted, so that the contact finger spring can be quickly and labor-savingly disassembled or assembled.
[0021] 3. The disconnector moving contact assembly tool is provided with the pressing block, the compression part can be aligned, and the contact finger spring can be compressed. DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.
[0023] Figure 1 It is a schematic view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0024] Figure 2 It is a schematic view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0025] Figure 3 It is an exploded view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0026] Figure 4 It is a front view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0027] Figure 5 It is a front view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0028] Figure 6 It is a front view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0029] Figure 7 It is a scene use view of a dismounting tool for a movable contact of a disconnecting switch of the present application.
[0030] In the figure, 101 is an upper support, 102 is a lower support, 103 is a support rod, 1021 is a handle, 20 is a pressing beam, 30 is a guide rod, 401 is a fixed base, 402 is a push-pull pressing rod, 403 is a pressing handle, 404 is a support plate, 4031 is a connecting plate, 4032 is a handle part, 4021 is a sleeve, and 4022 is a fastener. DETAILED DESCRIPTION
[0031] The present application will be described in detail below. Figures 1-7 The present application will be described in detail below.
[0032] The utility model provides a kind of isolator moving contact assembly tool, including fixed support, wherein fixed support includes oppositely arranged upper support 101 and lower support 102, at least two mutually parallel support rods 103 are provided between upper support 101 and lower support 102;Compression beam 20 is movably arranged between upper support 101 and lower support 102, and guide rod is provided between compression beam 20 and upper support 101;And pusher, pass through upper support 101 and is connected with compression beam 20, pusher drives compression beam 20 reciprocating movement along the direction perpendicular to upper support 101.
[0033] Upper support 101 is fixedly provided with collar, and upper support 101 is sleeved on guide rod 30 by its collar, so that compression beam 20 can stably axially slide between upper support 101 and lower support 102, and a threaded hole is formed in the middle position of upper support 101, the pusher includes threaded rod and handle, the handle is composed of handle cylinder and three handle rods uniformly arranged on the outer wall of handle cylinder, the handle cylinder is fixedly installed on the upper end of threaded rod, the lower end of threaded rod passes through the threaded hole of upper support 101 and is movably connected with compression beam 20, the compression handle 403 can be rotated relative to the push-pull compression rod 402, and the compression handle 403 is pivotally connected with the support plate 404, and the compression handle 403 can drive the push-pull compression rod 402 to move up and down relative to the upper support 101 when rotating. Easy to use, improve the replacement efficiency of SPV type isolator 50 finger spring.
[0034] In the embodiment, the pusher includes a fixed base 401 provided on the upper support 101, the fixed base 401 is slidably connected with a push-pull compression rod 402, and one end of the push-pull compression rod 402 close to the compression beam 20 is connected with the compression beam 20. Further, the pusher further includes a compression handle 403, both sides of the compression handle 403 are connected with both sides of the fixed base 401 correspondingly through a support plate 404, the compression handle 403 includes a pivot portion and a handle portion 4032, one end of the pivot portion away from the handle portion 4032 is pivotally connected with the end portion of the push-pull compression rod 402, and one end of the pivot portion close to the handle portion 4032 is pivotally connected with the support plate 404.
[0035] In the embodiment, the pivot portion includes oppositely arranged connecting plates 4031, a rotating space is formed between the two connecting plates 4031, and the end portion of the push-pull compression rod 402 is located in the rotating space and is pivotally connected with the connecting plates 4031. Further, one end of the two connecting plates 4031 close to the handle portion 4032 is close to each other and is connected with each other, and the handle portion 4032 is arranged at the connection of the two connecting plates 4031. Further, the push-pull compression rod 402 includes a sleeve 4021 and a fastener 4022 threadedly matched with the sleeve 4021, and the fastener 4022 is threaded into the sleeve 4021 and is connected with the compression beam 20.
[0036] In the embodiment, the upper support 101 is provided with a sleeve ring, the guide rod is slidingly connected to the sleeve ring and connected to the pressing beam 20 at the end close to the pressing beam 20. Further, the pressing beam 20 is provided with at least two pressing blocks corresponding to one side of the lower support 102.
[0037] In the embodiment, the bottom of the lower support 102 is provided with a handle 1021, and the handle 1021 is designed to facilitate the gripping and fixing of the fixing support.
[0038] In the embodiment, the two ends of the pressing beam 20 are respectively provided with sleeve rings, and the pressing beam 20 is sleeved on the guide rod 30 through the sleeve rings, so that the pressing beam 20 smoothly slides on the guide rod 30.
[0039] In the embodiment, the pressing beam 20 is provided with two pressing blocks corresponding to one side of the lower support 102, which facilitates the alignment of the compression part.
[0040] The use method of the dismounting and mounting tool for the moving contact of the disconnecting switch is as follows:
[0041] In use, the contact fingers on one side of the moving contact of the disconnecting switch are placed between the pressing beam 20 and the lower support 102, the position is adjusted and fixed, the pushing and pulling pressure rod 402 is pushed to move the pressing beam 20 to the side close to the lower support 102 to compress the contact finger spring by rotating the pressing handle 403, the pressing beam 20 compresses the contact finger spring to the corresponding position, and then the shaft pin can be removed or threaded back, so as to achieve the purpose of quickly and labor-saving dismounting or mounting the contact finger spring.
[0042] The above embodiment is only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.
Claims
1. An isolating switch movable contact assembly tooling, characterized by, The utility model relates to a fixing support, wherein the fixing support comprises oppositely arranged upper and lower supports, at least two mutually parallel supporting rods are arranged between the upper and lower supports, a pressing cross beam is movably arranged between the upper and lower supports, a guide rod is arranged between the pressing cross beam and the upper support, and a pushing member is arranged in the upper support and connected with the pressing cross beam, wherein the pushing member drives the pressing cross beam to reciprocally move in a direction perpendicular to the upper support. The pushing member comprises a fixed base arranged in the upper support, a push-pull pressing rod is slidingly connected with the fixed base, and one end of the push-pull pressing rod close to the pressing cross beam is connected with the pressing cross beam. The pushing member further comprises a pressing handle, two support plates are correspondingly connected with two sides of the fixed base, the pressing handle comprises a pivot joint part and a handle part, one end of the pivot joint part away from the handle part is pivotally connected with the end of the push-pull pressing rod, and one end of the pivot joint part close to the handle part is pivotally connected with the support plate. The pivot joint part comprises two oppositely arranged connecting plates, a rotating space is formed between the two connecting plates, the end of the push-pull pressing rod is located in the rotating space and is pivotally connected with the connecting plates.
2. A disconnector moving contact assembly tooling as claimed in claim 1, characterized in that, One end of the two connecting plates close to the handle part is close to each other and connected with each other, and the handle part is arranged at the connection position of the two connecting plates.
3. A disconnector moving contact assembly tooling as claimed in claim 2, characterised in that, The push-pull pressing rod comprises a sleeve and a fastener threadedly connected with the sleeve, the fastener is arranged in the pressing cross beam and is threadedly connected in the sleeve.
4. A disconnector moving contact assembly tooling as claimed in claim 3, characterised in that, The upper support is provided with a sleeve ring, the guide rod is slidingly connected in the sleeve ring and is connected with the pressing cross beam at the end close to the pressing cross beam.
5. A disconnector moving contact assembly tooling as claimed in claim 4, characterised in that, At least two pressing blocks are arranged on one side of the pressing cross beam corresponding to the lower support.
6. An isolating switch moving contact assembly tooling fixture as claimed in claim 3 wherein, A handle is arranged at the bottom of the lower support.
7. An isolating switch moving contact assembly tooling fixture as defined in claim 2 wherein, 8. An isolating switch moving contact assembly tooling fixture as defined in claim 1 wherein, 9. An isolating switch moving contact assembly tooling fixture as defined in claim 1 wherein,