Mechanical load test device
The double-channel steel structure support design solves the problem of mechanical load adaptability of isolation and grounding switches of different voltage levels in short-time withstand current and peak withstand current tests, providing a high-strength, portable test device suitable for isolation and grounding switches of various voltage levels.
Patent Information
- Application Number
- CN202520301733.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing technologies are insufficient to meet the requirements of rated terminal static mechanical load for isolation and grounding switches of different voltage levels and types in short-time withstand current and peak withstand current tests, and traditional devices occupy a large area and are inconvenient to move.
The support structure features a double-channel steel frame, including a first support rod, a lifting rod, and a transverse rod. The frame is adjustable in height and spacing, equipped with diagonal supports, and can adapt to the testing requirements of different voltage levels. It is also expandable.
It realizes a high-strength, easy-to-move and store test device, which is suitable for isolation and grounding switches with voltage levels of 126kV and below, and has scalability and wide applicability.
Smart Images
Figure CN223857335U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of isolation and grounding switch test, specifically to a mechanical load testing device. BACKGROUND
[0002] When the short-time withstand current and peak withstand current test of the isolation and grounding switch is carried out, the test device of the terminal static mechanical load is used.
[0003] GB1985-2014 requires that the rated terminal static mechanical load should be applied when the short-time withstand current and peak withstand current test of the isolation and grounding switch is carried out. In actual test, due to different voltage grades and types of different products, the shape size of the tested switch is quite different, and different support brackets are needed for different tests. In order to adapt to the test needs of different products, the applicant designs and manufactures a test device that meets the test requirements. The device meets the requirements of different voltage grades and different types of isolation and grounding switches for applying rated terminal static mechanical load during short-time withstand current and peak withstand current test, and also has the characteristics of small occupation, easy to move, high strength and strong adaptability. SUMMARY
[0004] The utility model discloses a mechanical load testing device, which meets the requirements of different voltage grades and different types of isolation and grounding switches for applying rated terminal static mechanical load during short-time withstand current and peak withstand current test. The utility model also has expandability, and can be directly used for testing for isolation and grounding switches of 126kV and below, and can be realized by expanding components for higher voltage grade products, so that the application range is wider.
[0005] To achieve the above object, the utility model provides the following technical scheme: a mechanical load testing device is composed of two groups of double-groove steel structure supports, the double-groove steel structure support includes a first support rod and a lifting rod, the first support rod is provided with an adjusting hole, the lifting rod is arranged on the first support rod by the adjusting hole, the lifting rod can be freely adjusted to different heights, the bottom of the first support rod is provided with a base cross bar, the top of the lifting rod is provided with a transverse rod, a second support rod is arranged below the transverse rod, and the lifting rod, the transverse rod and the second support rod form an F shape.
[0006] The first support rod is vertically arranged at the midpoint of the base cross bar, and an inclined support is arranged between the first support rod and the base cross bar.
[0007] The two groups of double-groove steel structure supports are oppositely arranged.
[0008] The support rod of the utility model adopts a double-groove steel structure, which greatly enhances the support strength and prevents deformation and bending during the test.
[0009] The oblique support between the first support rod and the base crossbar can stabilize the support, the two side lifting rods can freely adjust the interval, and the inside of the support can freely adjust the height to adapt to the test needs of the isolation and grounding switch of different voltage grades and structures.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] (1), the utility model discloses the high strength of the strength, can adjust simultaneously, can directly be applicable to 126kV and below each voltage grade isolation and grounding switch for short time withstand current and peak withstand current test for the need of the rated terminal static mechanical load of exertion;
[0012] (2), the utility model discloses small, telescopic, occupies less land, convenient transportation and storage, and adjustment is convenient, and the adjustment and use of on-site test are convenient;
[0013] (3), the utility model discloses the expansibility, for 126kV and below isolation and grounding switch can be directly used for testing, for higher voltage grade product can be realized through extension component, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the mechanical load test device of the utility model.
[0015] Figure 2 It is the state schematic diagram when the utility model sets up isolation and grounding switch. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, 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 making creative labor belong to the protection scope of the utility model.
[0017] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0018] As Figure 1As shown, a mechanical load testing device is provided. The mechanical load testing device consists of two sets of double-channel steel structure supports. Each double-channel steel structure support includes a first support rod 1 and a lifting rod 2. The first support rod 1 is provided with an adjustment hole. The lifting rod 2 is mounted on the first support rod 1 through the adjustment hole. The lifting rod 2 can be freely adjusted to different heights. A base crossbar 4 is provided at the bottom of the first support rod 1. A transverse bar 6 is provided at the top of the lifting rod 2. A second support rod 3 is provided below the transverse bar 6. The lifting rod 2, the transverse bar 6, and the second support rod 3 form an F-shape.
[0019] The first support rod 1 is vertically positioned at the midpoint of the base crossbar 4, and an oblique support 5 is provided between the first support rod 1 and the base crossbar 4.
[0020] like Figure 2 As shown, the two sets of double-channel steel structure supports are arranged facing each other, and the isolation and grounding switches are installed between the two sets of double-channel steel structure supports.
[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A mechanical load testing device, characterized by: The mechanical load test device is composed of two groups of double-groove steel structure supports, the double-groove steel structure support comprises a first support rod (1) and a lifting rod (2), the first support rod (1) is provided with an adjusting hole, the lifting rod (2) is arranged on the first support rod (1) by means of the adjusting hole, the lifting rod (2) can be freely adjusted to different heights, the bottom of the first support rod (1) is provided with a base horizontal rod (4), the top of the lifting rod (2) is provided with a horizontal rod (6), the horizontal rod (6) is provided below the second support rod (3), and the lifting rod (2), the horizontal rod (6) and the second support rod (3) form an F shape.
2. A mechanical load testing device according to claim 1, wherein: The first support rod (1) is vertically arranged at the midpoint of the base horizontal rod (4), and an inclined support (5) is arranged between the first support rod (1) and the base horizontal rod (4).
3. The mechanical load testing device of claim 1, wherein: The two groups of double-groove steel structure supports are oppositely arranged.