A three-component force sensor for measuring the load at the joint of automobile suspension bushing

A technology for automobile suspension and joints, which is used in measuring devices, force/torque/work measuring instruments, instruments, etc., can solve the problem of difficulty in measuring the load force at the joints of suspension bushings, etc., to ensure performance and improve stress level. , the effect of improving the overall stiffness and natural frequency

Inactive Publication Date: 2021-09-28
SOUTH CHINA UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the load force at the joint of the automobile suspension bushing is not easy to measure, and to provide a three-component force sensor with a compact radial structure and easy installation and measurement

Method used

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  • A three-component force sensor for measuring the load at the joint of automobile suspension bushing
  • A three-component force sensor for measuring the load at the joint of automobile suspension bushing
  • A three-component force sensor for measuring the load at the joint of automobile suspension bushing

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Embodiment Construction

[0030] For the convenience of those skilled in the art to understand, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] The invention discloses a three-component force sensor for measuring the load at the joint of the automobile suspension bushing, such as Figure 1 to Figure 3 As shown, it includes a tubular connector 1, an annular connector 3 and four Y-shaped elastic elements 2; the tubular connector 1 is fixed at the center of the annular connector 3 through the Y-shaped elastic element 2; the four Y-shaped elastic elements 2 are elastic elements with the same structure, and are arranged symmetrically at intervals of 90° along the circumferential direction; the Y-shaped elastic element 2 includes an internal fixed end 23, a strain beam 24, a Y-shaped connecting beam 22 and an external fixed end 21; the internal fixed The end 23 is located at the top of the two bifurcated parts of the Y-sh...

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Abstract

The invention discloses a three-component force sensor for measuring the load at the joint of the automobile suspension bushing. It includes a tubular connector, an annular connector and four Y-shaped elastic elements. The four Y-shaped elastic elements are elastic elements with the same structure, and are arranged symmetrically at intervals of 90° along the circumferential direction. The Y-shaped elastic element includes an internal fixed end, a strain beam, a Y-shaped connecting beam, and an external fixed end. Strain gauges are fixed on the strain beam. The tubular connecting piece includes an internal connection hole, an internal groove, and top wire holes on both sides. The annular connecting piece includes an external groove connected with the Y-shaped elastic element and a threaded hole connected with the test piece. The invention has the advantages of improving the level of local measurement stress while ensuring the connection rigidity, and at the same time eliminating the collection error caused by the misalignment of the load.

Description

technical field [0001] The invention relates to a three-component force sensor for measuring the load at the joint of the automobile suspension bushing, in particular to measuring the static load force at the joint of the automobile suspension bushing of the control arm or the auxiliary frame of the automobile. Background technique [0002] In order to reduce the transmission of vibration at each connection point of the automobile suspension system and the sub-frame, the vibration isolation is usually carried out by connecting the automobile suspension bushing. The joints of automobile suspension bushings are small in size and irregular in shape, which makes it difficult to measure the load force at the joints. The load force of the hinge point is an important basis for the design and analysis of auto parts. Accurately obtaining the load data can ensure the quality of the part design. At present, the load at the hinge point of the automobile suspension is usually obtained t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/1627
CPCG01L5/161
Inventor 伍凯上官文斌王惜慧潘孝勇
Owner SOUTH CHINA UNIV OF TECH
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