Compression Testing Machine - Jinan Testing Equipment IE Corporation Yinfeng Group

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TE Forcespeed Corporation

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+ 86 531 86510531Ext.9

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sales@testingequipmentie.com

YAW-5000J/10000J/15000J/20000J Electro-hydraulic Servo Static Compression&Shearing Testing Machine

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Home/Products/Compression Testing Machine

Products

Class：Compression Testing Machine

GB/T16826-2008 《Electro hydraulic servo universal testing machine》

GB/T2611—2007 《General technical requirements for testing machine》

JJG139—1999 《Tension, compression and universal testing machine》

GB/T3722-92 《Hydraulic compression testing machine》

JJG157-2008 《Tension, compression and universal material testing machine verification requirements》

JT/T4—2004 《Plate type elastomeric pad bearings for highway bridges》

JT391-2009 《Pot bearings for highway bridges》

GB/T17955-2009 《Spherical bearings for bridges》

TB/T1893-2006 《Elastomeric bearings for railway bridges》

TB/T 2331-2013 《Pot bearings for railway bridges》

TB/T 3320-2013 《Spherical bearings for railway bridges》

GB 20688.1-2007 《Rubber bearings——Part 1：Seismic -protection isolators test methods》

JT/T822-2011 《Lead rubber bearing isolator for highway bridge》

JT/T842-2012 《High dampling seismic isolation rubber bearings for highway bridge》

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Applications：

3.1 This machine is used to test the mechanical properties of rubber bearings of highway Bridges.Available tests are as follows.

3.1.1 For GJZ

n Compressive elastic modulus test

n Ultimate compression strength test

n Shear modulus test

n Shear bonding performance test

n Shear aging test

n Friction coefficient test

n Permissible rotating angle test

3.1.2 For GPZ

n Vertical bearing capacity test of finished product support

n Friction coefficient test of finished product support

n Rotating test of finished product support

3.1.3 For GQZ

n Vertical bearing capacity test

n Ball rotation test

n Horizontal bearing capacity test

3.2 This machine can also carry out the tests of GJZ,GPZ and GQZ according to GB standards.

3.3 This machine can also do the lead core, high damping and building support vibration isolation vertical stiffness test.

Instructions：

l Structures：adopts lower - mounted plunger cylinder, four columns structure , high rigidity , small deformation.Test space can be adjusted steplessly, convenient for different heights of test requirements.

l Control System：meets the force and displacement control functions. Various control modes can be smoothly switched, real-time display force - displacement, force - time, displacement - time and other test curves. The computer control system controls the whole test process, the test force, the displacement has high precision sensor to measure accurately, and transmit to the computer. It can realize the functions of coordinating multi-stage hydraulic loading, continuous loading, multi-level test force maintenance, automatic protection, automatic collection and storage of data, drawing curve, automatic printing test report, etc.

l Compositions：Vertical system,Shearing system,rotating angle system,Hydraulic system,Control system,Electric system.

Technical Specifications：

Model		YAW-5000J	YAW-10000J	YAW-15000J	YAW-20000J
Vertical System	Max. load(kN)	5000	10000	15000	20000
	Load measuring range	50~5000	100~10000	150~15000	200~20000
	Load accuracy (%)	≤±1％
	Test loading speed (mm/min)	0~50
	Piston stroke(mm)	250	300	300	300
	Displacement measuring range	±0.5％F.S
	Deformation accuracy (%)	0.001	0.001	0.001	0.001
	Deformation measuring mode	Grating type digital displacement sensor
	Working space(mm)	0~600	0~1000	0~1500	0~1500
	Upper compression plate(mm）	700X800X150	1050X1050X200	1200X1200X200	1500X1500X200
	Lower compression plate(mm）	700X800X150	1050X1050X200	1200X1200X200	1500X1500X200
	Constant velocity test force (kN/s)	0.5~25	0.5~25	0.5~25	0.5~25
	Constant velocity Displacement(mm/min）	0.5~50	0.5~50	0.5~40	0.5~40
	Load measurement	Oil pressure sensor
	Control	Servo control
Shearing System	Max. load(kN)	1000	2000	3000	4000
	Load measuring range(kN)	10~1000	20~2000	30~3000	40~4000
	Load accuracy (%)	≤±1％	≤±1％	≤±1％	≤±1％
	Velocity of piston(mm/min)	0~60	0~60	0~60	0~60
	Piston stroke(mm)	200	200	200	300
	Working space(mm)	0~200	0~200	0~200	0~300
	Displacement measuring accuracy	±0.5％F.S	±0.5％F.S	±0.5％F.S	±0.5％F.S
	Deformation resolution(mm）	0.01	0.01	0.01	0.01
	Deformation measurement	Grating type digital displacement sensor
	Forward and withdraw	Motor drive
	Rise and fall	By hydraulic cylinder
	Load measurement	Load cell
	Control	Servo control
Intersection angle system	Load measuring range(kN)	300	600	900	1200
	Load accuracy (%)	3~300	6~00	9~900	12~1200
	Velocity of piston(mm/min)	≤±1％	≤±1％	≤±1％	≤±1％
	Piston stroke(mm)	0~60	0~60	0~60	0~60
	Load measuring range(kN)	150	150	200	300
	Adjusting space(mm）	0~150	0~150	0~200	0~300
	Displacement measuring accuracy	±0.5％F.S
	Deformation resolution(mm）	0.001
	Deformation measurement	Grating type digital displacement sensor
	Load measurement	Load cell
	Control	Servo control
Others	Dimension（mm）	5000X1300X2500	6500X1700X4000	7000X1900X5200	8500X2200X6000
	Weight（kg）	18000	39000	62000	85000
	Power	Three-phase five wire,15KW	Three-phase five wire,30KW	Three-phase five wire,40KW	Three-phase five wire,55KW
	Installation	Base Sunken

Features：
6.1Vertical system
Using lower-mounted plunger cylinder and four columns structure, the test space is adjustable, meets test requirements of different heights .The machine has high rigidity, small deformation and accurate measurement data.
The base and beam adopt the whole casting structure, and the material is zg310-570. The structure is reasonable, the workpiece has a large rigidity and beautiful appearance, which guarantees the safety and reliability of the whole part.
Columns adopt 45 # high quality steel, nuts use high grade of nodular cast iron, satisfy the intensity and improve the use reliability of columns and nuts.Columns and nuts were machined by high precision machine tool. Heat treatments, such as Aging, tempering, fixing and other heat treatment to ensure the precision of the workpiece.
The cylinder adopts the plunger structure, which is driven by oil pressure when rising, and falls by itself.
The cylinder adopts the advanced compound sealing technology, and has the gap oil film and the ster-seal two-stage seal. After the two-stage seal, the gap return oil is installed and the oil tank is returned.This kind of sealing method guarantees the reliability of cylinder seal, improves the precision and stability of measuring force, and increases the service life of cylinder and piston.
The crosshead goes up and down by the screws and nuts.Crosshead lifting driving system consists of the following institutions: cycloidal reducer drive the biaxial output positive and negative to the drive sprocket, chain, chain drive screw pair drive, realize stepless adjustment of test space.Four columns, two left - handed, two right - handed, features to eliminate the impact of crosshead’s lifting to the starting torque of the columns;
A working table is installed between the feeding off (the lower pressure plate) and the main cylinder piston, which increases the force strength of the lower pressure plate.The steering column is installed on the worktable to avoid the rotation of the piston in the test process, so that the test force value is more accurate.
The vertical force value is measured by ion beam sputtering film pressure sensor.The sensor is small in size and high in precision, and can withstand high temperature, high pressure and high resistance to overload.

6.2 Transverse shear system
The shear system is composed of shear cylinder, front and rear crosshead, side pull rod, shear middle pulling tray, upper and lower friction plate, top block, connection pin, shear car and so on.Servo cylinder with double function test force, supported by shear car, floating cylinder to adjust the level of the transverse shear. Electric car walking device equipped with electromagnetic clutch, adjust the anteroposterior position of shearing device.The horizontal position of the loading device is adjusted by shear car to ensure the accuracy of shear force value and improve the detection accuracy.
n The transverse main system consists of double acting servo cylinder, connecting pull rod, friction plate, shear car, floating cylinder and guide rail, etc.
n The shear car consists of roller, servo floating cylinder, guide column, walking motor and clutch device.
n The forward and backward electric actuation of shearing car need not be pushed manually, and it is equipped with electromagnetic clutch.The clutch is charged when walking, and the clutch is released when the shear test begins.Test car will follow the movement of the rubber bearing shear deformation, the need to keep the car moving resistance to a minimum,that means the mobile without the restriction of the traveling motor, make the shear test results more accuracy.
n The horizontal position of shear loading device is adjusted by the floating cylinder of shearing car, to ensure that the axis of load cell is overlap to the symmetric axis of shear middle pulling tray, make sure that the horizontal axial force of the sample is accurate.
n The shearing cylinder is a single rod double acting servo cylinder. It uses imported glyd ring, Sitefeng seal and dustproof ring, with features of good sealing, long service life and high safety factor.
n The shear force value is directly measured by a high precision load cell, which can withstand a large overload load and has a long service life.
n The shear deformation of rubber bearings is measured by two grating displacement sensors, and the sensor push rod is in contact with the middle pulling tray, which is distributed at both ends of the pulling tray, and the shear deformation of the rubber bearing is measured accurately.
n It is equipped with two stainless steel plates, flatness and smooth finish is good, which completely meet the requirements of friction coefficient test.
6.3The rotating angle system
The rotating Angle system is applied with double acting servo cylinder and is fixed on the base of the vertical frame.
n Double acting servo cylinder, rotating angle plate, spherical rod and support base constitute the main system.
n The rotating angle cylinder is a single rod double acting servo cylinder. It uses imported glyd ring, Sitefeng seal and dustproof ring, with features of good sealing, long service life and high safety factor.
n The torque value is directly measured by a high-precision load cell, which can withstand a large overload load and has a long service life.
n The angle deformation of rubber bearings is measured by four grating displacement sensors.
n The load cell and the piston rod are connected by the ball head and the ball seat form a ball hinge joint. (ball hinge joint can be aligned freely to ensure the accuracy of angle vertical force)
n According to the sizes of different samples, the length of the spherical rod can be replaced to meet the test requirements of different thickness.
6.4 Hydraulic system
The hydraulic oil in the oil tank drives the high pressure oil pump into the oil circuit through the motor, flow through the one-way valve, the high pressure filter, the servo valve, and then enters the cylinder.High precision load cell installed on the cylinder and piston, it will change force signal into electrical signal and then transfer to the computer.The signal will display as force value after processing.At the same time, according to the signal of sensor and computer control program,computer will sent a control signal to the servo valve, to control the opening sizes and directions, so as to control the flow which enter the cylinder.Realizing constant speed test force (stress), constant displacement, the test force (stress) keeping, displacement keeping and other servo control.
Load adaptive inlet throttling speed control system, the opening of the valve can be controlled automatically according to the magnitude of force, , reduce the heat and energy losses, reduce the power of motor.
In order to reduce heat and save energy, servo cylinder adopts servo valve and differential vacuum valve to control flow, direction and test force respectively.This control not only greatly reduces the energy consumption, reduces the heating, reduces the pressure of the cooling system, but also improves the safety and reliability of the whole hydraulic system.
6.5 Electric system
The High voltage system consists of two parts: the low voltage starter cabinet and the operation console, which reduces the impact of the system startup on the power grid voltage;The operation console adopts the desktop structure, which is arranged in the test operation area, with the built-in remote low-voltage start control device, and the specially designed operation panel makes all kinds of test operation clear.This console sets computer, monitor, keyboard, mouse, printer in one body, simple and easy to use.
6.6 Acquisition system
6.6.1 Vertical system
l Load acquisition：High precision ion beam sputtering film pressure sensor.
l Displacement acquisition of piston：Cable type photoelectric encoder
l Deformation acquisition：
A.Board type compressive：Four grating displacement sensors
B.Basin bearing capacity：Eight grating displacement sensors
6.6.2 Shearing system
l Load acquisition：High precision load cell
l Displacement acquisition of piston：Cable type photoelectric encoder
l Deformation acquisition：Two grating displacement sensors
6.6.3 Intersection angle system
l Load acquisition：High precision load cell
l Displacement acquisition of piston：Cable type photoelectric encoder
l Deformation acquisition：Four grating displacement sensors
6.7 Software Control System
6.7.1 Features：
l PCI bus digital measurement and control circuit, integrated reliable.
l Automatic overload protection, record history logs for future reference.
l Real-time display test curve, automatically adapt to measure the amplitude.
l Adopt dual cards technology，realize vertical,shearing, angle measurement and control at the same time.
l The experimental data are analyzed and printed out automatically.
l Built in a large scale CPLD programmable components, high speed operation, real-time signal processing.
l Adaptive PID control algorithm, the force and displacement are closed loop control

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Load adaptive inlet throttling speed control system, the opening of the valve can be controlled automatically according to the magnitude of force, , reduce the heat and energy losses, reduce the power of motor.