A crawler ground specific pressure simulation test device

Abstract

The invention discloses a caterpillar track ground pressure simulation test device, which belongs to the field of the ground pressure test. The caterpillar track ground pressure simulation test device comprises a bed frame, a tensile force loading device, bogie wheel loading devices and a caterpillar track, wherein the bed frame is a fixed saddle piece and is firmly connected with the ground, the lower surface of the bed frame is provided with the tensile force loading device and a plurality of independent bogie wheel loading devices in parallel, the tensile force loading device is connected with the caterpillar track, and the lower end of each bogie wheel loading device is contacted with the caterpillar track. The caterpillar track ground pressure simulation test device is a static test device for simulating the ground pressure distribution of a rubber caterpillar track or a steel caterpillar track in different structures and under different terrains through a caterpillar track tension device and the bogie wheel loading devices, the distribution rule of the caterpillar track ground pressure can be disclosed, and the design of a caterpillar track chassis structure can be instructed.

Description

technical field [0001] The invention relates to a crawler track grounding specific pressure simulation test device, in particular to a static test device for simulating the ground pressure distribution of rubber track or steel track track under different structures and different terrains by means of a track tensioning device and a load wheel loading device . Background technique [0002] Tracked vehicles are mainly divided into rubber tracked vehicles and steel tracked vehicles according to the material of the track. During the working process of tracked vehicles, the pressure per unit area of ​​the track acting on the ground is called "ground specific pressure". Ground specific pressure is a key design parameter in the design of tracked vehicles. Accurately obtaining the ground specific pressure of tracked vehicles is very important for predicting its passability on different grounds, the traction performance of vehicles and the analysis of driving mechanics of tracked vehi...

AI Technical Summary

Problems solved by technology

[0005] 1. Mainly carry out the whole vehicle test, the cost is high, the research and development cycle is long, and it cannot guide the structural design of the crawler chassis in the early stage;

[0006] 2. Due to the need to destroy the foundation, it is difficult to embed the pressure sensor. If a small number of pressure sensors are used, the test accuracy and accuracy of the grounding specific pressure are not high;

[0007] 3. The vehicle condition has a great influence on the measurement, for example, the attitude of the vehicle body affects the distribution of the bridge load;

[0008] 4. It is difficult to conduct analog tests

After installation, it is equivalent to testing only one track structure and one terrain, but it is still impossible to reveal the ground pressure distribution law through analog tests, and it is impossible to further complete the layout of the road wheel train, the optimization design tasks such as driving angle strength, etc.

Images