CNC pressurizing system for model test and control method thereof

Abstract

The invention relates to a CNC pressurizing system for a model test and a control method thereof. The CNC pressurizing system for the model test comprises a partial pressure control part, a pressurization performing part and a visible human-computer interaction interface part, wherein the partial pressure control part comprises a pressure detection unit, a central control unit and a control output unit; the pressurization performing part comprises various control valves and various pressurization jack; the visible human-computer interaction interface part comprises a loading software system and an industrial computer system; a digital pressurization control part inputs a pressurizing command via the visible human-computer interaction interface; the partial pressure control part processes and converts obtained pressure information to generate an electric signal and inputs the electric signal to the pressurization performing part so as to carry out load output; and meanwhile, a partial pressure control system dynamically monitors the output load and feeds the output load to a visible human-computer interaction interface system for real-time display, storage and adjustment. The CNC pressurizing system for the model test and the control method thereof can realize digitization, visualization and intelligence of model loading in underground engineering model tests in the fields of hydroelectric power, transportation, energy source, resources and defense construction.

Description

technical field [0001] The invention relates to a model test numerical control pressurization system and its control method, in particular to a digital, visualized and intelligent model loading system that can be used in underground engineering model tests in the fields of hydropower, transportation, energy, resources and national defense engineering A digital pressurization control system and a control method thereof. Background technique [0002] At present, in the underground engineering in the fields of hydropower, transportation, energy, resources and national defense engineering, with the increase of burial depth, the structure, mechanical properties and engineering response of the surrounding rock of the cavern appear under the condition of high ground stress. A series of new characteristic scientific phenomena such as zonal rupture, large deformation, and impact damage, for these characteristic scientific phenomena, on the one hand, it is necessary to rely on theoret...

AI Technical Summary

Problems solved by technology

Its loading system adopts manual control, which cannot carry out digital controlled pressure loading, nor can it provide human-computer interactive operation of system loading

[0004] (2) "Journal of Rock Mechanics and Engineering" No. 3, 2004 introduced a multi-functional simulation experiment device for geotechnical engineering. The device applies vertical and horizontal ground stress on opposite sides of the model respectively. The loading is manually controlled and cannot Carrying out digital controlled pressure loading also cannot provide man-machine interactive operation of system loading

Its loading is manually controlled, and it cannot carry out digital pressure-controlled loading, nor can it provide human-computer interactive operation of system loading.

[0006] (4) "Journal of Rock Mechanics and Engineering", No. 21, 2004, introduced a plane strain roadway model loading control system. The loading is mechanically controlled, and digital controlled pressure loading cannot be performed, nor can it provide human-computer interaction for system loading. operation

Its loading adopts mechanical control, and it cannot carry out digital controlled pressure loading, nor can it provide human-computer interactive operation of system loading

[0008] (6) "Journal of Civil Engineering" No. 12 in 2005, and the Chinese patent application number 200510045291.7 introduced a new type of rock and soil geomechanics model test system, its loading is controlled by hydraulic machinery, and digital controlled pressure loading cannot be performed. It also cannot provide human-computer interactive operation loaded by the system

The hydraulic control system is manually operated, and cannot perform digital controlled pressure loading, nor can it perform man-machine interactive operation of system loading.

[0010] (8) The Chinese patent application number 200910020538.8 discloses a three-dimensional gradient non-uniform loading structural model test device, which includes a table-shaped gradient non-uniform loading device and a loading reaction device. The uniform loading device is connected, and the table-shaped gradient loading module of the table-shaped gradient non-uniform loading device is close to the surface of the test model, which does not introduce the specific pressure control method

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