10kv vacuum circuit breaker energy storage spring dismounting tool
By designing a tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker, and using a coupling, lead screw assembly, and laser ranging assembly, the tool enables safe and convenient disassembly and assembly of the energy storage spring. This solves the problems of high safety risks and high labor intensity in traditional methods, and improves work efficiency and equipment safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-06-23
AI Technical Summary
The traditional method of manually removing the energy storage spring of a 10KV vacuum circuit breaker has problems such as high safety risks, high labor intensity, easy damage to equipment, and low efficiency.
A tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker was designed. It adopts a coupling, a lead screw assembly, a bracket and a laser ranging assembly. Through lead screw transmission and bevel gear cooperation, combined with a drive motor and a reducer, the tool enables safe and convenient disassembly and assembly of the energy storage spring. The laser ranging assembly is equipped to monitor the displacement in real time.
It reduces operational intensity, improves disassembly and assembly efficiency, enhances safety, reduces the risk of damage to equipment, and improves the convenience and accuracy of operation.
Smart Images

Figure CN224400324U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of circuit breaker disassembly and assembly tools, specifically relating to a disassembly and assembly tool for the energy storage spring of a 10KV vacuum circuit breaker. Background Technology
[0002] The 10KV vacuum circuit breaker includes an operating mechanism. After long-term operation, components such as the opening and closing coils, opening and closing latches, secondary components, and energy storage motors often suffer damage, requiring disassembly and maintenance, including the disassembly and assembly of the energy storage spring.
[0003] Traditional manual removal of energy storage springs typically involves forcibly inserting metal objects between adjacent spiral layers of the spring to elongate it. This requires personnel to use tools such as wire to assist in stretching the spring. This method has drawbacks such as high safety risks, high labor intensity, easy damage to equipment, and low work efficiency. Therefore, there is an urgent need to provide a tool for removing and installing energy storage springs in 10KV vacuum circuit breakers to solve the above problems. Summary of the Invention
[0004] To address the aforementioned technical problems, this utility model provides a tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker, which addresses the drawbacks of using tools such as wire to extend the spring as described in the background art, including high safety risks, high labor intensity, easy damage to equipment, and low work efficiency.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows:
[0006] A tool for disassembling and assembling the energy storage spring of a 10kV vacuum circuit breaker, comprising:
[0007] A connector is located at one input end of the coupling;
[0008] A lead screw assembly, wherein both ends of the lead screw assembly are rotatably mounted on both ends of an outer frame, and a lead screw seat assembly is provided on the lead screw assembly; the lead screw assembly is driven to rotate by the output end of the coupling.
[0009] A mounting bracket is installed on the front side of the lead screw assembly.
[0010] As a further improvement to this utility model, a first bevel gear is installed at the output end of the coupling, and a second bevel gear is provided at the top of the lead screw assembly, wherein the first bevel gear meshes with the second bevel gear.
[0011] As a further improvement to this utility model, the front end of the socket is provided with two insert ears, and a slot is formed between the two insert ears.
[0012] As a further improvement to this utility model, the insert is fixedly installed on the limiting slide assembly, the limiting slide assembly is slidably installed on the limiting part, and the limiting part is vertically arranged on the front of the outer frame.
[0013] As a further improvement to this utility model, the outer frame and the limiting part are integrated, and a vertical through groove is opened in the limiting part, from which the lead screw seat assembly extends.
[0014] As a further improvement to this utility model, the limiting part forms a limiting groove with the front of the outer frame, and the limiting slide assembly is provided with slider parts on both sides that are adapted to the limiting groove.
[0015] As a further improvement to this utility model, it also includes a laser ranging component, the outer frame is installed on the front of the outer frame, a ranging monitoring plate adapted to the laser ranging component is provided on one side of the limiting slide assembly, and an operation screen is provided on the back of the outer frame.
[0016] As a further improvement to this utility model, it also includes a drive motor, the top end of which is fixedly connected to the output end of the coupling via a reducer.
[0017] The beneficial effects of the present utility model through the above technical solution are:
[0018] This utility model includes a coupling, a connector, a lead screw assembly, a lead screw seat assembly, and a bracket. It uses a lead screw drive to stretch the energy storage spring. It also features a first bevel gear and a second bevel gear for easy operation. The connector can be directly connected to a power tool, which can significantly reduce the intensity of operation and make it convenient and practical.
[0019] In addition, it is equipped with a laser rangefinder, a range monitoring board, and an operation screen. The operation screen can be used to zero the initial position of the range monitoring board. During the stretching of the spring, the displacement increment of the range monitoring board can be displayed on the operation screen in real time. The displacement increment is the extension and contraction of the energy storage spring, which is convenient for the operator to observe and can also be used as an auxiliary reference during operation.
[0020] This invention can also be directly used with a drive motor and a reducer. By controlling the rotation of the drive motor, the lifting and lowering of the mounting bracket can be achieved. The structure is stable, the operation is simple, and the workload is further reduced, thus improving efficiency. Attached Figure Description
[0021] Figure 1 This is a side view structural diagram of Example 1.
[0022] Figure 2 This is a partial three-dimensional structural schematic diagram of Example 1.
[0023] Figure 3 This is a three-dimensional structural diagram of the first bevel gear, the second bevel gear, and the lead screw assembly in Example 1.
[0024] Figure 4 This is a three-dimensional structural diagram of the insert in Example 1.
[0025] Figure 5 This is a front view structural diagram of Example 2.
[0026] In the diagram: 1. Outer frame; 2. Coupling; 3. Connector; 4. Lead screw assembly; 5. First bevel gear; 6. Second bevel gear; 7. Lead screw seat assembly; 8. Limiting slide assembly; 9. Insert bracket; 91. Insert ear; 92. Slot; 10. Laser rangefinder assembly; 11. Rangefinder monitoring board; 12. Drive motor; 13. Reducer; 14. Limiting part; 15. Operation panel. Detailed Implementation
[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0028] The present invention provides the following embodiments:
[0029] Example 1: See Figures 1-4 A tool for disassembling and assembling the energy storage spring of a 10kV vacuum circuit breaker includes: an outer frame 1, a coupling 2, a connector 3, a lead screw assembly 4, a lead screw seat assembly 7, and a plug 9. The connector 3 has a regular hexagonal cross-section and can be directly used with tools such as socket wrenches or electric wrenches, making operation simple. The plug 9 is inserted between adjacent coils of the spring to enhance safety protection. The lead screw structure drives the plug 9 on the lead screw seat assembly 7 to rise, which can stretch the spring, thereby facilitating the disassembly and assembly of the spring. The operation is simple and can greatly improve efficiency. The bottom of the tool can be placed on a table or the frame of the operating mechanism, which is less likely to cause damage to the circuit breaker or the operating mechanism.
[0030] Connector 3 is located at one end of the input end of coupling 2. Connector 3 is hexagonal, which makes it easy to connect to a wrench or power tool. The side of connector 3 is chamfered to prevent scratches.
[0031] The two ends of the lead screw assembly 4 are rotatably mounted on the two ends of the outer frame 1. The lead screw assembly 4 is provided with a lead screw seat assembly 7. There is a limit between the lead screw seat assembly 7 and the outer frame 1. When the lead screw assembly 4 is rotated, the lead screw seat assembly 7 can only move up and down. The lead screw assembly 4 is driven to rotate by the output end of the coupling 2. Specifically, the lead screw assembly 4 can be driven to rotate by turning the connector 3 with a power tool, thereby realizing the raising and lowering of the lead screw seat assembly 7.
[0032] The insert 9 is installed on the front of the lead screw assembly 7. The lifting lead screw assembly 7 drives the insert 9 to move together. During the process of the insert 9 rising, the energy storage spring is stretched.
[0033] In a preferred embodiment of this utility model, a first bevel gear 5 is installed at the output end of the coupling 2, and a second bevel gear 6 is provided at the top of the lead screw assembly 4. The first bevel gear 5 and the second bevel gear 6 mesh. Specifically, in combination with... Figure 1 as well as Figure 3 The coupling 2 and the connector 3 can be set on the side of the outer frame 1 through the transmission cooperation of the first bevel gear 5 and the second bevel gear 6, so as to avoid the inconvenience of operation caused by the lead screw assembly 4.
[0034] As another preferred embodiment of this utility model, the front end of the insert 9 is provided with two insert ears 91, and a slot 92 is formed between the two insert ears 91, which are combined with Figure 4 The insert 9 of the attached ear 91 and the slot 92 is U-shaped. The two ears 91 can be inserted into the adjacent rings of the spring, thereby improving safety.
[0035] As another preferred embodiment of this utility model, the insert 9 is fixedly installed on the limiting slide assembly 8, the limiting slide assembly 8 is slidably installed on the limiting part 14, the limiting part 14 is vertically arranged on the front of the outer frame 1, and the limiting slide assembly 8 and the limiting part 14 form a limiting sliding structure to ensure that the lead screw seat assembly 7 can only move up and down.
[0036] As another preferred embodiment of this utility model, the outer frame 1 and the limiting part 14 are integrated into one piece, which is an integrated structure that does not require assembly. The limiting part 14 has a vertical through groove, the lead screw seat assembly 7 extends out of the through groove, the threaded end of the lead screw seat assembly 7 is located in the outer frame 1, and the end connected to the limiting slide assembly 8 extends out of the through groove.
[0037] As another preferred embodiment of this utility model, the limiting part 14 and the front of the outer frame 1 form a limiting groove. The two sides of the limiting slide assembly 8 are provided with sliders that are adapted to the limiting groove. The inner wall of the limiting slide assembly 8 is in contact with the front of the limiting part 14. The sliders on both sides are stuck in the limiting groove, and slide smoothly up and down, but do not move forward, backward, left and right.
[0038] It also includes a laser ranging component 10. The outer frame 1 is installed on the front of the outer frame 1. A ranging monitoring plate 11 adapted to the laser ranging component 10 is provided on one side of the limiting slide assembly 8. An operation screen 15 is provided on the back of the outer frame 1. When the light emitted by the laser ranging component 10 comes into contact with the ranging monitoring plate 11, the distance can be displayed on the operation screen 15. The laser ranging component 10 can be turned on immediately after the insert 9 is inserted. The distance at this time can be regarded as the initial distance. By operating the operation screen 15, this distance can be zeroed. Then, as the ranging monitoring plate 11 rises and follows the lead screw assembly 7, the rising variable is displayed in real time through the operation screen 15. It is convenient for the operator to observe and can also be used as a reference. It is of great significance in the batch assembly process.
[0039] Example 2: See Figure 5 Unlike Embodiment 1, this embodiment uses a drive motor 12 to drive the lead screw assembly 4 to rotate without the need for a wrench or power tool. The drive motor 12 is installed on the side of the outer frame 1, and the output shaft of the drive motor 12 is fixedly connected to the output end of the coupling 2 through a reducer 13, which can further improve efficiency.
[0040] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker, characterized in that, include: Connector (3), the connector (3) is located at one end of the input end of the coupling (2); The lead screw assembly (4) is rotatably mounted at both ends of the outer frame (1). The lead screw assembly (4) is provided with a lead screw seat assembly (7). The lead screw assembly (4) is driven to rotate by the output end of the coupling (2). Insert bracket (9) is mounted on the front of the lead screw assembly (7).
2. The tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 1, characterized in that, The output end of the coupling (2) is equipped with a first bevel gear (5), and the top end of the lead screw assembly (4) is provided with a second bevel gear (6), and the first bevel gear (5) meshes with the second bevel gear (6).
3. The tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 2, characterized in that, The front end of the socket (9) is provided with two earpieces (91), and a slot (92) is formed between the two earpieces (91).
4. The tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 3, characterized in that, The insert (9) is fixedly installed on the limiting slide assembly (8), the limiting slide assembly (8) is slidably installed on the limiting part (14), and the limiting part (14) is vertically arranged on the front of the outer frame (1).
5. A tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 4, characterized in that, The outer frame (1) and the limiting part (14) are integral. The limiting part (14) has a vertical through groove, and the lead screw seat assembly (7) extends out from the through groove.
6. The tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 5, characterized in that, The limiting part (14) forms a limiting groove with the front of the outer frame (1), and the limiting slide assembly (8) has sliders on both sides that are adapted to the limiting groove.
7. A tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 6, characterized in that, It also includes a laser ranging component (10), the outer frame (1) is installed on the front of the outer frame (1), a ranging monitoring plate (11) adapted to the laser ranging component (10) is provided on one side of the limiting slide assembly (8), and an operation screen (15) is provided on the back of the outer frame (1).
8. A tool for disassembling and assembling the energy storage spring of a 10KV vacuum circuit breaker according to claim 7, characterized in that, It also includes a drive motor (12), the top of which is fixedly connected to the output end of the coupling (2) via a reducer (13).