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Comprehensive measuring device for shearing mechanical behaviors of metal disc-soil interface and application method

A technology of metal discs and measuring devices, applied in measuring devices, scientific instruments, instruments, etc., can solve the problems of difficult pressure control, simple pressurization equipment, low precision, etc., and achieve the effect of simple structure, clear concept and complete functions

Active Publication Date: 2019-06-07
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this invention uses weights to pressurize, the pressurizing equipment is simple, the precision is low and it is difficult to control the pressure. The invention cannot measure the abrasiveness of soil to metal

Method used

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  • Comprehensive measuring device for shearing mechanical behaviors of metal disc-soil interface and application method
  • Comprehensive measuring device for shearing mechanical behaviors of metal disc-soil interface and application method
  • Comprehensive measuring device for shearing mechanical behaviors of metal disc-soil interface and application method

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Embodiment Construction

[0056] The following describes in detail the comprehensive measurement device and method for the shear mechanical behavior of the metal disc-soil interface provided by the present invention in conjunction with the accompanying drawings.

[0057] see figure 1 , figure 2 with image 3 In the metal disc-soil interface shear mechanical behavior comprehensive measuring device provided by the present invention, a sample chamber 4 is arranged on the test bench 3, and a hydraulic pressure device for applying an axial load to the sample in the sample chamber is also installed on the test bench 3. Loading system, the hydraulic cylinder 2 is fixed on the beam of the load-bearing support 1, the top of the sample chamber is provided with a loading plate 10 that is adapted to it and has a drain and exhaust valve 11, the top of the loading plate 10 is connected to the piston rod of the hydraulic cylinder 2 Connected; also includes a shearing system, the shearing system includes a servo mo...

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Abstract

The invention discloses a comprehensive measuring device for shearing mechanical behaviors of a metal disc-soil interface and an application method. The device comprises a test bench, a hydraulic loading system and a shearing system, wherein the hydraulic loading system includes a bearing support and a hydraulic cylinder, the bearing support is fixed on the test bench, the hydraulic cylinder is fixed on a cross beam of the bearing support, the top of a sample chamber is provided with a loading plate which is matched with the sample chamber and provided with a drainage and exhaust valve, and the top end of the loading plate is connected with a piston rod of the hydraulic cylinder; the sample chamber is provided with a water adding pressure hole, a hole pressure gauge, a drainage hole and aheating device, and the water adding pressure hole is communicated with a gas-water exchanger; a shearing disc is provided with a temperature sensor, a rotating shaft of a servo motor is provided witha torque sensor and a speed sensor, the side wall of the sample chamber is provided with the hole pressure gauge, and the piston rod of the hydraulic cylinder and the loading plate are provided witha pressure sensor therebetween. The comprehensive measuring device realizes the measurement for the shearing mechanical behaviors between the metal interface and the soil under different oil pressure,different water head, different temperature and different shearing speed conditions.

Description

technical field [0001] The invention relates to a metal disc-soil interface shear mechanical behavior measurement device, in particular to the metal disc-soil interface shear mechanical behavior measurement of soil samples under high temperature and high water pressure. The invention also relates to the use method of the device for measuring the shear mechanical behavior of the metal disc-soil interface. Background technique [0002] The shear mechanical behavior between metal and soil is a relatively traditional problem, which is very common in production and life. In agricultural production, too much soil adheres to agricultural machinery, which greatly reduces the working efficiency of agricultural machinery and consumes a lot of energy. The increase will seriously affect the quality of farming and the life of machinery; once the soil is adhered to the working surface of industrial machinery such as excavators and bulldozers, the efficiency of digging and bulldozing will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/00G01N11/14
Inventor 王树英黄硕刘朋飞胡钦鑫胡海波阳军生乔世范张学民
Owner CENT SOUTH UNIV
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