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Scratch depth measuring device and method

A scratch depth and measuring device technology, applied in the field of measurement, can solve problems such as inaccurate scratch depth measurement and secondary scratches, and achieve the effect of avoiding secondary scratches and realizing accurate measurement

Active Publication Date: 2020-12-25
CRRC TANGSHAN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a scratch depth measuring device and method to solve the technical problem of inaccurate scratch depth measurement and even secondary scratches existing in the prior art

Method used

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  • Scratch depth measuring device and method

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Embodiment Construction

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention provides a scratch depth measuring device and method, and belongs to the technical field of measurement. The scratch depth measuring device comprises a mounting seat, a linear moving mechanism, a first displacement sensor, a second displacement sensor and a horizontal reference plate, wherein the mounting seat is used for being mounted on a to-be-measured piece and located on one side of a scratch; the linear moving mechanism is fixedly arranged on the mounting seat; the first displacement sensor is fixedly arranged on the linear moving mechanism and used for measuring the horizontal distance; the second displacement sensor is fixedly arranged on the linear moving mechanism and used for measuring the distance between the second displacement sensor and the surface of the to-be-measured piece; and the horizontal reference plate is located on one side of the first displacement sensor and used for measuring the horizontal distance by the first displacement sensor. According to the scratch depth measuring device, inaccurate measurement caused by the fact that the tip of a probe cannot go deep into the bottom of the scratch is avoided, meanwhile, no measuring tools such asthe probe make contact with the to-be-measured piece, accurate measurement of the scratch of the to-be-measured piece is achieved, and the to-be-measured piece can be prevented from being scratched secondarily.

Description

technical field [0001] The invention belongs to the technical field of measurement, and more specifically relates to a scratch depth measuring device and method. Background technique [0002] EMUs have developed rapidly in recent years. Compared with ordinary trains, they have the advantages of fast speed, low energy consumption, and good ride comfort. The technology related to EMUs is much more complicated than that of ordinary trains. Due to the long-term, multi-crossing, high-speed, and high-intensity operating conditions, the reliability of components is required to be high. The state of the surface of the key parts of the EMU directly affects the use. In order to ensure the safety and reliability of the parts during operation, all relevant technical standards are required for the state of scratches on the surface of the parts during the operation and maintenance of the EMU. However, the existing measurement methods cannot meet the measurement requirements or fail to me...

Claims

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Application Information

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IPC IPC(8): G01B21/18
CPCG01B21/18
Inventor 张子健张文彬安晓娜洪晓静王敏王雯朱怀庆
Owner CRRC TANGSHAN CO LTD
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