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A Three-Axis Multi-Axis Synchronous Axial Loading System for Rock

An axial loading and rock technology, applied in the field of testing machines, can solve problems such as failure to realize synchronous test research on rock deformation and failure, restricting research on softening mechanism of soft rock, etc., and achieve the effects of short test period, shortened test period and low cost.

Active Publication Date: 2015-11-25
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the limitation of test conditions, the research on the softening mechanism of soft rock is seriously restricted.
[0003] The existing rock triaxial loading test device mainly includes axial load loading system, confining pressure loading system, servo control system and other parts. Its main deficiency is that a set of servo can only control one loading device and one pressure chamber. , it is impossible to control multiple pressure chambers by controlling the loading by a set of servos, therefore, it is impossible to realize the simultaneous experimental research on the whole process of rock deformation and failure

Method used

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  • A Three-Axis Multi-Axis Synchronous Axial Loading System for Rock

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing, technical scheme of the present invention is further described:

[0020] The control computer 1 controls the servo controller 2, and the servo controller 2 sends control commands to the servo motor 3. The servo motor 3 drives the main gear set 4, and the main gear set 4 is connected to the sub-gear set 5 through the clutch and the reducer 6. The sub-gears The groups 5 are also connected to the reducer 6 through clutches, and each gear group 5 is connected to the gear pump 7 to drive the gear pump 7. Since the speeds of the gear groups 5 are different, the speeds of the gear pumps 7 are also different, and the output The pressure is also different; the inlet of the gear pump 7 is connected to the oil source, the outlet is connected to the hydraulic cylinder 8, the hydraulic cylinder 8 is connected to the axial loading device of the triaxial pressure chamber 9, and the loading shaft is pushed to complete the application of th...

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Abstract

The invention relates to a triaxial multiplex and synchronous axial loading system for rock, which is composed of a servo motor, a servo controller, a speed reducer, a clutch, a gear group, a gear pump, a hydraulic cylinder and a control computer. The invention provides a loading system which is economic, efficient, and capable of performing multiplex and synchronous axial pressure application on a plurality of pressure chambers, and the loading system is very wide in application prospect.

Description

technical field [0001] The invention belongs to the field of testing machines in engineering machinery, and in particular relates to a rock three-axis multi-element synchronous axial loading system, which is suitable for synchronous axial loading and control of multiple sets of pressure chambers. technical background [0002] The development of large-scale scientific instruments and equipment is a frontier basic topic worthy of special attention in the field of engineering geology, and it is also an urgent need for major engineering disaster research. The basic experimental research that can most directly reflect the whole process of deformation and failure of rocks in an aqueous solution environment is rarely carried out and is in the exploratory stage, mainly reflected in the improvement of existing test methods and small-scale test equipment for brittle rocks on development. Due to the limitation of test conditions, the research on the softening mechanism of soft rock is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/02G01N3/10
Inventor 周翠英陆仪启刘镇
Owner SUN YAT SEN UNIV