1. YAW-J5000 computer-controlled electro-hydraulic servo compression shear test machine manufacturing and test standards:
1. Manufacturing standards
1) GB/T16826-2008 "Electro-hydraulic Servo Universal Testing Machine"
2) GB/T2611—2007 "General Technical Requirements for Testing Machines"
3) JJG139—1999 "Tensile force, pressure and universal testing machine"
4) GB/T3722-92 "Hydraulic Pressure Testing Machine"
5) JJG157-2008 "Verification Requirements for Tension, Compression and Universal Material Testing Machines"
2. Test standard
1) JT/T4—2004 "Highway Bridge Plate Rubber Bearing"
2) JT391-2009 "Highway Bridge Basin Bearing"
3) GB/T17955-2009 "Bridge Ball Bearing"
4) TB/T1893-2006 "Railway Bridge Plate Rubber Bearing"
5) TB/T2331-2013 "Railway Bridge Basin Bearing"
6) TB/T3320-2013 "Railway Bridge Ball Bearing"
7) GB20688.1-2007 "Rubber bearings Part 1: Test methods for seismic isolation bearings"
8) GB20688.4-2007 "Rubber Bearing Part 4: Ordinary Rubber Bearing"
9) JT/T822-2011 "Lead core vibration isolation rubber bearings for highway bridges"
10) JT/T842-2012 "High-damping vibration isolation rubber bearings for highway bridges"
2. The scope of application of YAW-J5000 microcomputer controlled electro-hydraulic servo compression shear testing machine
1. This machine is used to test the mechanical properties of the finished product of highway bridge rubber bearings. Can be done separately:
Plate bearing
1) Compressive elastic modulus test
2) Ultimate compressive strength test
3) Shear modulus test
4) Shear bonding performance test
5) Shear aging test
6) Friction coefficient test
7) Allowable rotation angle test
Basin support
1) Vertical bearing capacity test of finished support
2) Test of friction coefficient of finished bearing
3) Rotation test of finished product support
Spherical steel bearing
1) Vertical bearing capacity test
2) Bearing friction factor test
3) Measurement of the rotational torque of the support
4) Horizontal bearing capacity test
2. This product can also carry out all the tests specified in the national standards for railway bridge slab, basin and spherical bearings;
3. This product can also carry out the vertical stiffness test of lead core, high damping, and seismic isolation of building supports.
3. Main technical parameters of YAW-J5000 microcomputer controlled electro-hydraulic servo compression shear testing machine
1. Vertical loading part
1) Maximum test force: 5000kN;
2) Test force measurement range: 2%-100%FS (100-5000kN);
3) Test force measurement accuracy: ±1% of the indicated value of test force;
4) The maximum displacement speed of the oil cylinder without load: 0-50mm/min;
5) Maximum stroke of the oil cylinder: 200mm;
6) Displacement measurement accuracy: ±1.0%Fs;
7) Deformation measurement division value (mm): 0.001 (vertical deformation), 0.001 (radial deformation);
8) Deformation measurement: Four grating digital displacement sensors measure the vertical deformation of the sample;
Four grating digital displacement sensors measure the radial deformation of the sample;
Deformation measurement range: 0～30mm (vertical deformation), 0～10mm (radial deformation);
9) Test adjustment space: 0～1000mm;
10) Maximum test space: 1000mm;
11) Upper pressure plate size: 710mm×800mm×150mm;
12) Trolley pressure plate size: 710mm×800mm×150mm;
13) The lifting speed of the beam: 200mm/min;
14) Constant velocity test force control range: 0.5kN/s～25kN/s (control accuracy 1%);
15) Constant velocity displacement control range: 0.5 mm /min～50 mm /min;
16) Data processing: computer servo control system and data (test force, displacement) graphic acquisition and processing, etc.;
17) Force measurement method: use high-precision ion beam sputtering thin film pressure sensor to measure force;
18) Using low-damping combined sealing element, the test force remains stable and reliable;
19) Control mode: hydraulic loading, electro-hydraulic servo closed loop control, screen display.
2. Transverse cut part
1) Maximum test force: 1000kN;
2) Test force measurement range: 2%-100%FS (20kN-1000kN);
3) Test force accuracy: ≤±1%;
4) Adopt single rod double acting piston cylinder, piston stroke 200mm;
5) Propelling speed of working piston: 0～60mm/min;
6) Deformation measurement range: 0～150mm;
7) Displacement measurement range: 0～200mm;
8) Deformation measurement accuracy: ±0.5%FS;
9) Displacement measurement accuracy: ±1.0%Fs;
10) Deformation measurement division value: 0.01mm;
11) Displacement and deformation measurement: two grating digital displacement sensors measure the shear deformation of the sample;
12) Force measuring method: high-precision load cell measuring force;
13) Advance and retreat of horizontal shearing device: motor drive;
14) Lifting of horizontal shearing device: adjustment of floating hydraulic cylinder;
15) Load holding function: high-precision imported servo valve load holding, multi-level control of transverse shear force;
16) Imported combined sealing elements are used, and the test force remains stable and reliable.
17) Control mode: hydraulic loading, electro-hydraulic servo closed-loop control, high-precision load sensor measurement, screen display.
3. Corner part
1) Maximum turning angle ejection force: 300kN;
2) Test force measurement range: 2%～100%FS (6kN～300kN);
3) Test force accuracy: ≤±1%;
4) Force measuring method: high-precision load cell measuring force;
5) Deformation measurement: Four grating digital displacement sensors measure the overturning deformation of the sample;
6) Deformation measurement range: 0～30mm;
7) Deformation measurement scale value: 0.001mm;
8) Deformation measurement accuracy: ±0.5%FS;
9) Maximum stroke of working piston: 150mm;
10) Moving speed of working piston: 0～60mm;
11) Displacement measurement range: 0～150mm;
12) Displacement measurement accuracy: better than ±1.0% Fs;
13) Load holding function: high-precision imported servo valve load holding, multi-level control of cornering force;
14) Using imported combined sealing elements, the test force remains stable and reliable.
15) Control mode: hydraulic loading, electro-hydraulic servo closed-loop control, high-precision load sensor measurement, screen display.
