Ground mechanical property testing device for underwater operation of tracked vehicle

A technology of underwater operation and ground mechanics, applied in the direction of testing material strength by applying stable shear force, testing material strength by applying stable tension/pressure, etc., to achieve easy observation and processing, reduce test cost, and control test parameters Effect

Active Publication Date: 2020-02-28
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a ground mechanical property testing device for underwater operation of crawler vehicles, which solves the problem that the slip rate of various sediments on the road surface is too large when the crawler vehicles operate underwater, and improves the passability and working efficiency of the crawler vehicles

Method used

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  • Ground mechanical property testing device for underwater operation of tracked vehicle
  • Ground mechanical property testing device for underwater operation of tracked vehicle
  • Ground mechanical property testing device for underwater operation of tracked vehicle

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Embodiment Construction

[0032] The device will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited thereto.

[0033] like Figure 1-4 As shown, the ground mechanical performance testing device of a crawler vehicle underwater operation of the present invention includes a test bench support, a transverse shear stress generating unit, a vertical subsidence pressure generating unit, a sediment simulation unit, and a crawler shoe motion simulation unit and test unit.

[0034] The transverse shear stress generating unit includes a motor A1, a support A3, a winding reel 2, a fixed pulley 4, a displacement regulator A5 and a tension line A8, and the motor A1 in this embodiment is preferably a permanent magnet brushless DC motor; Figure 7 As shown, the motor A1 is fixed on the support A3 by screws, and the support A3 and the support A16 are welded and fixed; the motor shaft of the motor A1 is provided with a winding reel ...

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Abstract

The invention discloses a ground mechanical property testing device for underwater operation of a tracked vehicle. The ground mechanical property testing device comprises an experiment bench support,a transverse shearing stress generating unit, a vertical subsidence pressure generating unit, a sediment simulating unit, a track shoe motion simulating unit and a testing unit. The experiment bench support, the sediment simulation unit and the track shoe motion simulation unit are used for simulating underwater operation conditions of the tracked vehicle, the transverse shear stress generation unit and the vertical subsidence pressure generation unit generate shear stress and subsidence pressure respectively, and the test unit determines ground mechanical properties between a track shoe and sediment. The structure parameters of the track shoe and the road condition of sediment can be changed under the experiment environment condition, and the passing performance of the tracked vehicle during underwater operation is improved.

Description

technical field [0001] The invention belongs to the field of crawler vehicle operation, and in particular relates to a ground mechanical property testing device for crawler vehicle underwater operation. Background technique [0002] With the continuous acceleration of urbanization and the impact of global climate change, Chinese cities, especially coastal cities, are facing the risk of waterlogging and internal flooding. According to the survey, in recent years, my country's urban rainwater waterlogging incidents have occurred frequently, and the frequency of waterlogging has shown a rising trend. Urban waterlogging will inevitably lead to problems such as rock or sediment siltation in inland rivers, narrowing and shallowing of river channels, etc., which will restrict the drainage function of inland rivers during flood seasons, not only threatening the safety of public life and property, but also seriously affecting the national or regional economy. River dredging is an im...

Claims

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Application Information

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IPC IPC(8): G01N3/24G01N3/12
CPCG01N3/24G01N3/12
Inventor 李勇何定畅司乔瑞吴浩苏鹏威张成孟祥鹏
Owner JIANGSU UNIV
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