Shedding cam vibration measuring device

A technology of vibration measurement and cam, which is applied in the direction of measuring device, vibration test, machine/structural component test, etc. It can solve the problem that it is impossible to determine whether the fault source of the opening mechanism is the opening cam, it is difficult to find out the cause of the vibration, and it is impossible to accurately judge the opening Cam quality and other issues

Inactive Publication Date: 2007-03-21
WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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AI Technical Summary

Problems solved by technology

The radius accuracy of the shed cam is 0.005-0.02mm. At present, there is still a lack of means to measure the radius of the high-precision shed cam in the field of air-jet looms. Therefore, it is impossible to accurately judge whether the quality of the shed cam is qualified or not, and the size of the vibration generated by the shed cam. It can be...

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  • Shedding cam vibration measuring device
  • Shedding cam vibration measuring device
  • Shedding cam vibration measuring device

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Embodiment Construction

[0018] Referring to accompanying drawing 3-shown in accompanying drawing 4, a kind of vibration measurement device of opening cam, comprises installation platform 2, the opening cam 3 that is pivotally connected on described installation platform 2, is arranged on described installation platform 2 The servo motor 1, the output shaft of the servo motor 1 is connected with the opening cam 3 by key phase transmission, the installation platform 2 is provided with a slide groove 12, and a pin is slidably arranged in the slide groove 12 shaft 11, the pin shaft 11 is coaxially fixedly connected with the roller follower 4, the axis line of the roller follower 4 is parallel to the axis line of the rotating shaft of the opening cam 3, and the The sliding groove 12 is also provided with a spring 5, and the spring 5 provides a pressing force to the pin shaft 11, so that the outer peripheral surface of the roller follower 4 is pressed against the contour surface of the opening cam 3.

[00...

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Abstract

An oscillator measurement device of open cam including the assemble table, the pivot connected to the open cam in the assemble table, the servo electric machine in the assemble table which the output axis is connected to the open cam. The sliding groove in the assemble table is installed with the sliding pin roll which is fixed with the roller follower. The axes line is parallel with it of the open cam rotating shaft. The sliding groove is set with the spring which provides the press for the pin roll to make the outside of the roller follower compress with the open cam surface; the accelerometer is in the pin roll. The roller follower can change with the radial of the open cam to drive the pin roll slide in the groove, so the accelerometer can probe the acceleration change.

Description

technical field [0001] The invention relates to a device for measuring the vibration of an opening cam of an opening mechanism on an air-jet loom. Background technique [0002] In the prior art, the shedding mechanism is the mechanical structure with the worst working conditions on the air-jet loom. The primary modal frequency of the shedding system is lower than 10 Hz, while the operating frequency of the air-jet loom is about 750 rpm. The operation of the shedding mechanism The ratio of the frequency to the modal frequency of the system is about 0.5-0.8. The cam shedding mechanism of the air-jet loom is a high-speed cam follower mechanism, and the shedding cam is the motion source of the shedding mechanism. If the shedding cam is not well-made, vibration will be generated. The vibration of the shedding cam is transmitted to the heald frame, and the warp of the air-jet loom End breakage mainly occurs in the vicinity of the heald frame, and the heald...

Claims

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Application Information

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IPC IPC(8): G01M7/02D03D47/30
Inventor 周平祝章琛
Owner WUJIANG WANGONG ELECTROMECHANICAL EQUIP
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