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Static and Dynamic Tester on Rail Fastening System
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Product Details
| Brand Name | TBT | Place of Origin | Jiangsu, China | |
| Model Number | TBTTLKJ-1 | Power | Hydraulic |
Product Description
Static and Dynamic Test on Rail Fastening System
Model:TBTTLKJ-1
I. Description:
Rail fastening system test bench is based on the technical requirements of high-speed railway fastening system and rail transit fastening system mechanical performance, and according to China Academy of Railway Sciences High-speed Railway Track Technology State Key Laboratory, China Railway Inspection and Certification Center’s successful application experience of national rail transit test institutions such as railway construction inspection stations, has optimized the combined design of microcomputer controlled electro-hydraulic servo loading technology and electro-hydraulic pulsating fatigue loading technology. It’s the latest research and development with high efficiency, high precision, high reliability, ultra-high performance. It’s also energy-saving, environmentally friendly railway fastener system performance test equipment.
This is system is mainly used in the laboratory for static stiffness, buckling pressure, longitudinal resistance and fatigue performance tests of high-speed railways, ordinary speed railways, and urban rail transit fastening assembly systems, static, dynamic stiffness, and fatigue of under-rail pads (elastic cushions) test, screw anchor test and other items.
II. Main Configuration:
The test bench mainly includes a hydraulic pressure and pulsation fatigue combined loading hydraulic station, a casting test platform, two sets of dynamic and static loading gantry frames, and a 250kN unidirectional pulsation fatigue loading actuator. 2 sets of 150kN tension and pressure bidirectional servo loading actuators, 1 set of pulsating fatigue load control system, 1 set of static load servo control system, 1 set of test force measurement and data acquisition system, 1 set of dynamic and static stiffness displacement measurement sensors and 1 set of tools ( Direct displacement measurement method of 4 points), assembly of one set of fatigue loading distribution beams, test aids and other necessary accessories for installation and testing.
III. Main Specification:
Electro-Hydraulic Pulsating Fatigue Loading System
Maximum test force of fatigue system | 250KN |
Test force accuracy | ± 1% |
Dynamic test force fluctuation | ≤ 2% Fs |
Maximum dynamic working amplitude-frequency | 60mm / 4Hz |
Maximum system working pressure | 20MPa |
Maximum displacement measuring range | 150mm |
Displacement measuring accuracy | Resolution better than 0.01mm Repeat accuracy of ± 0.01mm Display accuracy ± 1% |
working frequency range | Stepless continuously adjustable 2-8Hz |
Maximum pulsating displacement | Stepless continuously adjustable 800ml / c |
Main spindle speed control | Variable frequency stepless speed Stable speed accuracy of 0.1% Speed change rate of 0.1% Speed measuring accuracy of 1rpm |
Testing times measuring | Anti-interference electromagnetic technology 1time / rev; Maximum capacity 108 Preset shutdown, automatic storage if power cut |
Hydraulic station main motor power | 22kW |
Fatigue testing channels | 5channels (can perform single-point or multi-point simultaneous fatigue tests) |
250KN Actuator(details as following) | |
Latest design High response low damping unidirectional pulsating loading, self-lubricating gap sealed high-speed linear actuator, using high-strength alloy cylinder block, high wear-resistant low friction alloy cylinder liner, alloy cylinder high hardness piston rod, precision manufacturing process; High-precision linear displacement sensor; | |
Maximum static test force | 250KN with accuracy of 10%F.S |
Maximum dynamic test force | 250KN with indication fluctuation ≤2% FS |
Piston stroke | 120mm |
Maximum working vibration amplitude | 60mm (theoretical value) |
Maximum adjustment of actuator screw | 400mm |
Actuator pressure plate diameter | D120mm |
Piston rod stroke protection | Adjustable limit switch |
Test load deviation protection | Auto set in software system; Auto shutdown function when the protection threshold is triggered |
Lubrication failure alarm | Auto shutdown when lubrication system show error |
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- Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
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