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Load sensor of multi-ring structure

A load sensor and multi-ring structure technology, which is applied in the direction of instruments, measuring devices, and force measurement, can solve the problems of high spoke sensor height, unusable load sensor, and large structural size, and achieve light weight, convenient installation, and structural The effect of high stiffness

Pending Publication Date: 2018-06-15
BEIJING BOYUAN TIANHENG TECH CO LTD +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The common disadvantage of the above three traditional load sensors is that the size of the structure is large, and the height of the cylindrical sensor and the cylindrical sensor is generally more than 1.5 times its diameter. Although the height of the spoke sensor is higher than the height of the first two sensors It has been reduced, but it is still relatively large. For some places where the height is strictly limited, the spoke sensor is too high to be used, and its diameter becomes larger
[0005] It can be seen that the above three traditional load sensors cannot be used in many cases.

Method used

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Embodiment Construction

[0043] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0044] see figure 1 , figure 2 with image 3 , the multi-ring structure load sensor of Embodiment 1 of the present invention has two metal pressure-bearing rings 1 , eight spokes 2 and eight resistance strain gauges 3 .

[0045] Wherein, the metal pressure bearing ring 1 includes a first pressure bearing ring and a second pressure bearing ring.

[0046] The first pressure bearing ring is in the shape of a ring as a whole, and has a first inner peripheral surface, a first outer peripheral surface, a first upper annular surface and a first lower annular surface, and there is a gap between the first upper annular surface and the first lower annular surface. The predetermined distance h, that is, the height of the first pressure bearing ring, the first upper ri...

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Abstract

The invention relates to a load sensor of a multi-ring structure. The load sensor comprises two or more bearing rings, the bearing rings are sleeved from inside to outside successively, the adjacent bearing rings are connected via multiple spokes, and when the bearing rings bear a load, the spokes play a connection role rather than bearing the load, the bearing surfaces of the bearing rings are positioned in the same plane, and multiple resistance foil gauges are arranged in the circumferences of the bearing rings. The load sensor of the multi-ring structure has the following advantages that the size is reduced obviously, the thickness is reduced obviously to 1 / 10 of a traditional cylindrical sensor, the sensor of the invention can be applied to many fields not suitable for the traditionalload sensor as in the condition that the load is very high and the sensor needs to be extremely short; and the sensor is high in structural rigidity and stability, low in weight and convenient to process and install.

Description

technical field [0001] The invention relates to a load sensor, in particular to a multi-ring structure load sensor. Background technique [0002] Traditional load sensors mainly include cylindrical sensors, cylindrical sensors and spoke sensors. [0003] Among them, the cylindrical sensor and the cylindrical sensor are respectively provided with cylindrical and cylindrical elastic bodies, and the load acting on them is reversely calculated by testing the elastic compression deformation of the cylindrical and cylindrical elastic bodies; the spoke sensor is in A plurality of elastic shear spokes are arranged between the inner and outer rings, strain gauges are arranged on the elastic shear spokes, and the load acting on the sensor is tested by testing the shear deformation of the elastic shear spokes. [0004] The common disadvantage of the above three traditional load sensors is that the size of the structure is large, and the height of the cylindrical sensor and the cylindr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/22
CPCG01L1/2237
Inventor 黄煜
Owner BEIJING BOYUAN TIANHENG TECH CO LTD
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