Bolt loosening test device

A test device and bolt loosening technology, which is applied in the direction of measuring device, vibration test, mechanical component test, etc., can solve the problems of poor reliability and stability of bolt fasteners, low accuracy of test results, etc., and achieves convenient purchase and processing. Improve anti-loosening performance and stable performance

Active Publication Date: 2019-02-22
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem of poor reli

Method used

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically conn...

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Abstract

The invention relates to the technical field of fastener detection and particularly relates to a bolt loosening test device which comprises a testing machine and a driving control component. The testing machine comprises a moving plate, a fixed plate and a monitoring component, the moving plate and the fixed plate are arranged in parallel, a gap is between the moving plate and the fixed plate, a first simulation contact block passes through the moving plate, a second simulation contact block opposite to the first simulation contact block passes through the fixed plate, the first simulation contact block has a first through hole, and the second simulation contact block has a second through hole which correspondingly communicates with the first through hole. A tested bolt can pass through the first through hole and the second through hole in sequence to connect a tested nut. The monitoring component comprises a first monitoring component which is connected to the tested nut, and the driving control component is connected to the moving plate. According to the bolt loosening test device, the reliability of a bolt connection structure can be tested, and a test basis is further providedfor improving the loosening prevention performance of a bolt connection structure. The device has the advantages of convenient operation, low failure rate and stable performance.

Description

technical field [0001] The invention relates to the technical field of fastener detection, in particular to a bolt loosening test device. Background technique [0002] At present, fasteners are indispensable parts in industrial products, and play an important role in connecting the structure of parts and carrying and transmitting torque. With the continuous development and progress of industrial technology, the reliability requirements of industrial products are constantly improving, and higher performance requirements are also put forward for fastener products. [0003] At present, threaded fasteners are used in large quantities in industrial products. The reliability of the threaded connection structure directly affects the quality of the product. Therefore, it is necessary to study the failure mechanism, anti-loosening mechanism, selection design method, tightening torque control method, Carry out in-depth basic research work on small anti-loosening structures to improve...

Claims

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Application Information

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IPC IPC(8): G01M7/04G01M13/00
CPCG01M7/00G01M13/00
Inventor 郝岩研窦雪川杨志鹏周兴广张朋利于亮候京锋王家乐尹涛
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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