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Multi-bolt looseness testing machine transverse load stepless amplitude modulation device

A lateral load, stepless amplitude modulation technology, used in measuring devices, testing of mechanical components, testing of machine/structural components, etc., to ensure accuracy

Active Publication Date: 2018-11-13
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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At present, there is no relevant patent on the multi-bolt loosening test machine

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  • Multi-bolt looseness testing machine transverse load stepless amplitude modulation device

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0023] Such as figure 1 Shown:

[0024] A multi-bolt loosening testing machine capable of stepless amplitude modulation is composed of four parts, namely, the stepless amplitude modulation part of lateral load, the transfer part of lateral load, the transfer part of torque load and the transfer part of axial load;

[0025] The transverse load stepless amplitude modulation part includes a second square shaft bushing 8, a square shaft bearing 9, a transverse load guide rail moving plate 10, a transverse load guide rail fixed base plate 11, a screw nut 12, a ball screw 13, a servo motor coupling Shaft device 14, servo motor 15 and T-shaped slide block 16; The second square shaft bushing 8 is connected with the square shaft bearing 9, and the square shaft bearing 9 is installed in the T-shaped slide block 16 t...

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Abstract

The invention belongs to the technical field of mechanical testing equipment and provides a multi-bolt looseness testing machine transverse load stepless amplitude modulation device which is composedof four parts, wherein the four parts are a transverse load stepless amplitude modulation part, a transverse load transmission part, a torque load transmission part and an axial load transmission part. The multi-bolt looseness testing machine transverse load stepless amplitude modulation device disclosed by the invention can provide stepless amplitude modulation continuous transverse load for a flange plate bolt set and further can ensure transverse load accuracy through a feedback control system.

Description

technical field [0001] The invention belongs to the technical field of mechanical testing equipment, and relates to a stepless amplitude modulation device for lateral loads of a multi-bolt loosening testing machine. Background technique [0002] Bolt loosening is one of the main failure modes of bolted connection structures. The bolt loosening test machine can be used to study the loosening of bolts under different working conditions. The bolt loosening test machine currently in use can be divided into a single bolt loosening test machine and a multi-bolt loosening testing machine. Single bolt loosening testing machines mainly include Junker loosening testing machine, NAS loosening testing machine and electro-hydraulic servo vibration testing machine. None of the above three single bolt loosening testing machines can test the loosening condition of the bolt group. , and the load that can be applied is relatively simple, which makes it difficult to simulate the real working ...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 孙清超林清源张豹穆晓凯杨斌
Owner DALIAN UNIV OF TECH