Vehicle component stiffness test loading device

Abstract

The invention provides a rigidity test loading device for a vehicle member. The rigidity test loading device comprises a device main body which is fixed on a fixing foundation through a connecting part; the device main body comprises a fixing element which is arranged on the connecting part and a screw rod which is connected onto the fixing element; under the constraining of the fixing element, the screw rod is driven to rotate by a power device controlled by a controller; the rigidity test loading device further comprises a working main body, a matching part which is fixedly connected onto the working main body and is engaged and connected with the screw rod to convert the rotation of the screw rod to linear movement of the working main body and a detection unit which is arranged on the device main body, is connected with the controller and is used for detecting linear motion parameters of the working main body. According to the rigidity test loading device for the vehicle member, provided by the invention, the screw rod is driven by the power device to rotate so as to drive the linear motion of the working main body, and pressure loading of the vehicle member is realized under the condition that the volume of the device main body is reduced; the loading precision is relatively high and the stability of the linear motion is also improved, so that the accuracy of a rigidity test of the vehicle member is improved.

Description

technical field [0001] The invention relates to the field of stiffness testing devices, in particular to a loading device for testing the stiffness of vehicle components. Background technique [0002] The stiffness test of vehicle components is of great significance to various performances and reliability of vehicles. At present, the devices used to test the stiffness of vehicle components are generally large in size, which is not convenient for stiffness testing of small parts, and most of them are purely mechanical or hydraulic devices, which cannot carry out accurate pressure loading on vehicle components, and the motion stability is also low. Poor, and it is not convenient to adjust the loading direction. Contents of the invention [0003] In view of this, the present invention aims to provide a loading device for testing the stiffness of vehicle components, so as to improve the loading accuracy and loading stability on the premise of reducing the size of the main bod...

AI Technical Summary

Problems solved by technology

At present, the devices used to test the stiffness of vehicle components are generally large in size, which is not convenient for stiffness testing of small parts, and most of them are pure mechanical or hydraulic devices, which cannot carry out accurate pressure loading on vehicle components, and the motion stability is also low. Poor, and it is not easy to adjust the loading direction

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