A strain gauge lead wire outlet device

An outlet device and strain gauge technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of long operation time, many twisting turns, inability to remove the outlet components, etc., and achieve the effect of quick operation and simple operation.
CN108225892BActive Publication Date: 2020-06-09CHINA AIRPLANT STRENGTH RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA AIRPLANT STRENGTH RES INST
Publication Date
2020-06-09

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Abstract

The invention relates to a strain gauge lead wire outlet device which is used for leading out strain lines in strength tests of a structure with charge pressure load. The device is easy to operate andcan be rapidly operated by a single person without needing a tool, and the strain lines can be ensured not to be subjected to pressure loss; according to the led number of the strain lines, accurateconstant-speed step-by-step control of seal can be realized; the device has a self-locking function, and continuous seal is realized; and the device can serve as general equipment to be repeatedly used.
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Description

technical field

[0001] The invention relates to a strain gauge lead wire outlet device, which is used for leading out strain gauge wires in structural strength tests with pressurized loads. Background technique

[0002] In the structural strength test with compression load, the strain measurement wires drawn from the inside of the test piece are usually 50-core flat cables (width 64mm).

[0003] In the past, there are two ways to lead out strain gauge wires:

[0004] One is to tear apart the adjacent wires of the flat cable, bundle them through the outlet assembly, and then fill the outlet with sealant (such as AM-120A sealant). After the sealant is cured, the outlet is sealed.

[0005] This outlet assembly and its sealing method have three disadvantages: the first is that after the seal is solidified, the newly added strain measurement wires cannot be drawn out through the outlet, and another outlet needs to be opened; the second is that after the test is completed, it mus...

Claims

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