Tool table for lightning arrester electrical test
By designing the frame and moving components of the tooling platform, and combining the corresponding settings of the insulating support platform and the aluminum conductive plate, the problem of poor contact in the electrical testing of surge arresters was solved, achieving efficient and safe test results and stable support.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-07
AI Technical Summary
In existing electrical testing of surge arresters, the large weight of the surge arrester causes stress damage to the holes in the perforated plate, resulting in poor contact, which affects the test results and leads to low inspection efficiency.
A fixture for electrical testing of surge arresters was designed, including a frame, a moving component and a support plate. It is equipped with an insulating support platform and an aluminum conductive plate. The insulating support grooves and conductive support grooves correspond one-to-one to ensure good electrical contact. It is also equipped with a transparent partition and a pin insulator to improve stability and safety.
It enables rapid and safe placement of surge arresters, improves the accuracy of test results and operational efficiency, and meets the stable support requirements of high-voltage contact surge arresters that are compatible with gapless and external series gap surge arresters.
Smart Images

Figure CN224095883U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical tooling technology, and in particular to a tooling table for electrical testing of surge arresters. Background Technology
[0002] For surge arresters, based on the verification of electrical performance requirements according to standards, each surge arrester undergoes an electrical test before leaving the factory. It is necessary to ensure that the electrical performance of each product is within the required range. The current method is to place the product on a perforated metal plate insulated by an insulating support for testing. However, the surge arrester itself is heavy, and the holes in the perforated plate are damaged by stress, resulting in poor contact and affecting the test results. This leads to a large number of products that need to be tested repeatedly, resulting in low inspection efficiency. Therefore, there is an urgent need for a fixture for electrical testing of surge arresters that can directly and quickly help workers place the products to be tested. Summary of the Invention
[0003] This utility model addresses the problems of existing technology by providing a tooling table for electrical testing of surge arresters. It can directly and quickly help workers place the test object, ensure good electrical contact, effectively improve work efficiency and the accuracy of test results, meet the requirements of good high-voltage contact, safe insulation, convenient operation, and compatibility with the stable support test of gapless and external series gap surge arresters.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] This utility model provides a tooling platform for electrical testing of surge arresters, which includes a frame, a movable component installed at the bottom of the frame, and a support plate installed on the upper surface of the frame. A testing mechanism is installed on the support plate. The testing mechanism includes an insulating support platform, an insulating bracket installed on one side of the upper surface of the insulating support platform, and an aluminum conductive plate installed on the other side of the upper surface of the insulating support platform. The aluminum conductive plate and the insulating bracket are directly opposite each other and spaced apart. The upper end of the insulating bracket has a plurality of insulating support grooves spaced apart along its length direction, and the upper end of the aluminum conductive plate has a plurality of conductive support grooves spaced apart along its length direction. The insulating support grooves and the conductive support grooves correspond one-to-one.
[0006] The test mechanism is provided in two parts, which are respectively arranged on both sides of the upper surface of the support plate. A transparent partition is provided between the two test mechanisms. The transparent partition is vertically arranged and its lower end is connected to the support plate.
[0007] The insulating bracket and the insulating support platform are integrally formed.
[0008] Among them, pin-type insulators are vertically installed at the lower corners of the insulating support platform, and the lower ends of the pin-type insulators are connected to the support plate.
[0009] The movable component includes four movable parts, which are respectively arranged at the four corners of the lower end face of the frame. Each movable part includes a movable bracket and a movable wheel rotatably disposed at the lower end of the movable bracket. The upper end of the movable bracket is detachably connected to the lower end of the frame.
[0010] The beneficial effects of this utility model are:
[0011] The tooling table of this utility model can directly and quickly help workers place the test items, with good electrical contact, effectively improving work efficiency and the accuracy of test results. It meets the requirements of good high-voltage contact, safe insulation, convenient operation, and is compatible with the stable support test of gapless and external series gap surge arresters. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of a fixture for electrical testing of a surge arrester according to this utility model. Figure 1 The reference numerals in the figures include:
[0013] 1. Frame; 2. Support plate; 3. Testing mechanism; 4. Insulating support platform; 5. Insulating bracket; 6. Aluminum conductive plate; 7. Insulating support groove; 8. Conductive support groove; 9. Transparent partition; 10. Pin insulator; 11. Movable bracket; 12. Casters. Detailed Implementation
[0014] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.
[0015] A fixture for electrical testing of surge arresters, such as Figure 1As shown, it includes a frame 1, a movable component installed at the bottom of the frame 1, and a support plate 2 installed on the upper surface of the frame 1. A test mechanism 3 is installed on the support plate 2. The test mechanism 3 includes an insulating support platform 4, an insulating bracket 5 installed on one side of the upper surface of the insulating support platform 4, and an aluminum conductive plate 6 installed on the other side of the upper surface of the insulating support platform 4. The aluminum conductive plate 6 and the insulating bracket 5 are directly opposite each other and spaced apart. A space for accommodating objects is formed between the aluminum conductive plate 6 and the insulating bracket 5. The upper end of the insulating bracket 5 is provided with a plurality of insulating support grooves 7 spaced apart along its length direction. The upper end of the aluminum conductive plate 6 is provided with a plurality of conductive support grooves 8 spaced apart along its length direction. The insulating support grooves 7 and the conductive support grooves 8 correspond one-to-one. In actual use, the operator will ground the frame 1 in this embodiment of the application. Specifically, the test object (surge arrester) is placed on the insulating support 5 and the aluminum conductive plate 6. One electrode of the surge arrester is supported on the conductive support groove 8 on the aluminum conductive plate 6, and the other electrode of the surge arrester is supported on the insulating support groove 7 of the insulating support 5. The negative output of the electrical testing equipment is connected to the conductive screw on the side of the aluminum conductive plate 6 through an insulated wire (the conductive screw is connected to the aluminum conductive plate 6; of course, the negative output of the electrical testing equipment can also be directly connected to the side of the aluminum conductive plate 6 through an insulated wire). The high-voltage positive output of the electrical testing equipment is connected to the other electrode of the surge arrester through an insulated wire, thus realizing the electrical testing of the surge arrester. The tooling table of this embodiment can directly and quickly help workers complete the placement of the test object (surge arrester), with good electrical contact, effectively improving work efficiency and the accuracy of test results. It meets the requirements of good high-voltage contact, safe insulation, convenient operation, and compatibility with the stable support test of gapless and external series gap surge arresters.
[0016] Preferably, both the insulating support groove 7 and the conductive support groove 8 are V-shaped.
[0017] In this embodiment, two testing mechanisms 3 are provided, respectively arranged on both sides of the upper surface of the support plate 2. A transparent partition 9 is provided between the two testing mechanisms 3. The transparent partition 9 is vertically arranged, and its lower end is connected to the support plate 2. Specifically, with the above arrangement, the number of simultaneous tests can be increased, which is beneficial to improving inspection efficiency and further increasing productivity.
[0018] In this embodiment, the insulating bracket 5 and the insulating support platform 4 are integrally formed. Specifically, with the above configuration, the structural strength between the insulating bracket 5 and the insulating support platform 4 is improved, further enhancing the support stability and reliability.
[0019] In this embodiment, pin-type insulators 10 are vertically installed at the lower corners of the insulating support platform 4, and the lower ends of the pin-type insulators 10 are connected to the support plate 2. Specifically, with this arrangement, the support plate 2 can be made of steel plate to improve structural strength. At the same time, the structure of the pin-type insulators 10 ensures the reliability of the insulating support platform 4 and its insulation performance.
[0020] In this embodiment, the movable assembly includes four movable parts, which are respectively arranged at the four corners of the lower end face of the frame 1. Each movable part includes a movable bracket 11 and movable wheels 12 rotatably disposed at the lower end of the movable bracket 11. The upper end of the movable bracket 11 is detachably connected to the lower end of the frame 1. Specifically, this arrangement facilitates the movement and transfer of this embodiment, making it convenient to use. Furthermore, the movable bracket 11 can be detachably connected to the frame 1 with screws, facilitating maintenance and replacement.
[0021] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.
Claims
1. A fixture for electrical testing of surge arresters, characterized in that: The device includes a frame, a movable component mounted at the bottom of the frame, and a support plate mounted on the upper surface of the frame. A testing mechanism is mounted on the support plate. The testing mechanism includes an insulating support platform, an insulating bracket mounted on one side of the upper surface of the insulating support platform, and an aluminum conductive plate mounted on the other side of the upper surface of the insulating support platform. The aluminum conductive plate and the insulating bracket are directly opposite each other and spaced apart. The upper end of the insulating bracket has multiple insulating support grooves spaced apart along its length, and the upper end of the aluminum conductive plate has multiple conductive support grooves spaced apart along its length. The insulating support grooves and the conductive support grooves correspond one-to-one.
2. The fixture for electrical testing of surge arresters according to claim 1, characterized in that: The test mechanism is provided in two parts, which are respectively arranged on both sides of the upper surface of the support plate. A transparent partition is provided between the two test mechanisms. The transparent partition is vertically arranged and its lower end is connected to the support plate.
3. The fixture for electrical testing of surge arresters according to claim 1, characterized in that: The insulating bracket and the insulating support platform are integrally formed.
4. The fixture for electrical testing of surge arresters according to claim 1, characterized in that: Pin-type insulators are vertically installed at the lower corners of the insulating support platform, and the lower ends of the pin-type insulators are connected to the support plate.
5. The fixture for electrical testing of surge arresters according to claim 1, characterized in that: The movable assembly includes four movable parts, which are respectively arranged at the four corners of the lower end face of the frame. Each movable part includes a movable bracket and a movable wheel rotatably disposed at the lower end of the movable bracket. The upper end of the movable bracket is detachably connected to the lower end of the frame.