Electro-hydraulic servo controlled high-pressure dynamic and static triaxial testing system for coarse-grained soil

Microcomputer controlled electro-hydraulic servo soil dynamic and static three-axis testing machine
1. Test conditions
Meet the general working requirements of the testing machine
, Power supply: AC,
2. Main uses
/> Microcomputer controlled electro-hydraulic servo dynamic and static triaxial testing machine for coarse-grained soil, mainly used for strength testing of axial pressure and lateral pressure of coarse-grained soil, rock, sand, magma, soil dynamics testing, and also used for determination Total, shear strength and effective shear strength parameters for coarse-grained soils and sandy soils.
3. Main technical indicators and requirements
Maximum load of axial vibration:
. Dynamic load of axial vibration:
. Static load of axial vibration:
.Static load accuracy: better than
. Load binning,, three gears
. Dynamic load indication fluctuation:
.. Average load fluctuation: better than
. . Load amplitude fluctuation: better than
, axial deformation and axial static deformation control
. Deformation accuracy: better than
. Deformation range:
. Strain measurement reach:< br/> Axial vibration exciter displacement:
3. Stroke:
3. Displacement measurement accuracy: better than 1.
, triaxial pressure chamber pressure:
, sample Size:
, test control system
. Test waveform: sine wave, triangle wave, square wave, trapezoidal wave, ramp wave, etc.
. Axial excitation frequency:
. Multi-channel Multi-parameter fully digital closed-loop control, automatically adjusting system values, using high-resolution feedback sampling and signal conditioning technology, all channels (
, 3
,
) perform synchronous feedback at a rate and data collection
. Multiple control methods such as force (stress), deformation (strain), and displacement can be selected.
, Pore pressure accuracy: better than
. The testing machine control system can automatically calibrate the accuracy of the testing machine and automatically adjust to zero.
The system will automatically save test conditions, parameter settings and test results
The system has overload, damage protection, and times setting functions
Computer full digital display
, 3
. The setting of sample parameters and test data processing, the test data can be saved in a variety of file formats, after the test is completed, the data can be imported into a variety of software such as experiment report.
4. Equipment Configuration
. One microcomputer-controlled electro-hydraulic servo soil dynamic three-axis testing machine host
. One high-precision force sensor
. Three high-precision pressure sensors
br/> .3 One high-precision displacement sensor
. One set of standard three-axis pressure chamber
. One set of electro-hydraulic servo exciter for axial load application
. Lateral application enclosure A set of piezoelectric hydraulic servo devices
. Two servo valves
, water and gas pipe joints, valves, switches
A set of fully digital multi-channel electro-hydraulic servo control system
, One set of microcomputer controlled electro-hydraulic servo soil dynamic three-axis test control software (CD)
, One set of /hydraulic source
.Flow/pressure:.
.High-precision filtration system oil filter filtration accuracy:
.3 adopts high-precision oil pump, with high efficiency and low noise.
.Using Taiwan hydraulic control valve
.Using imported cooler.
.The hydraulic source can realize ultra-high temperature protection system, oil pollution alarm system, and over-pressure protection system.
, a set of three-pressure (confining pressure, axial pressure, pore pressure) calibration system.
, a set of industrial computers
, a set of printers