Technology Development and Services Hydraulic component test stand Hydraulic component comprehensive testing system Hydro-machanical transmission test stand Hydraulic equipment testing devices Hydraulic equipment testing devices VIV pipe laying simulation test devices Aircraft landing gear testing device |
Relies on industry, academia and research collaborative R&D environment government supported to build a common technology innovation platform for engineering equipment and transmission technology. It has multiple functions such as technology R&D, testing, achievement to engineering transformation, promotion and radiation of high-tech,key component R&D etc. We are committed to basic theoretical research and application technology research on product reliability technology, efficient construction technology, high-end equipment intelligent control technology etc; committed to providing specialized technology development, consulting, services and transfer to enterprises; committed to promoting enterprise technological innovation and extending towards high-end value chain.
Jingyan Company is a national standard formulation member, has been long engaged in researches on hydraulic components and system testing methods, evaluation standards, testing equipment etc. It had formulated 21 current national standards and been awarded the Outstanding Contribution Member for hydraulic and pneumatic industry standardization.
We have developed 20 types of products in 7 categories, including hydro-machanical transmission , hydraulic pumps, hydraulic motors, hydraulic valves, hydraulic cylinders, hydraulic fittings and hydraulic system testing equipment. We have also developed marine engineering testing and inspection equipment such as VIV pipe laying simulation test devices, pile hoist test devices, steel wire rope tensile testing machines etc.
Hydraulic component test stand
Jingyan Company had formulated 21 current national standards. Based on modular design concept, multifunctional, flexible and open experimental platform overall framework, functional modules, experimental process control and measurement system have been developed,They have open structure and functions of re-configurable experimental system and creating experimental methods, providing researchers with innovative experimental and R&D platform.
According to national and industry standards, we have developed a standard testing equipment for hydraulic pumps, hydraulic motors, hydraulic valves, hydraulic cylinders, and hydraulic fittings, consisting of 7 categories and 20 types of products.
At the same time, differentiated testing equipment can be developed, designed, and constructed according to the specific needs of users.
Hydraulic component comprehensive testing system
It consists of the functional modules such as noise laboratory, mechanical power drive module, hydraulic power module, hydraulic control module, linear motion control module, rotary motion control module, central control system etc. The functional modules can be combined according to performance testing requirements of hydraulic components and hydraulic systems, and testing process planning and control can be implemented by central control system through network or bus. Based on load spectrum test data of construction machinery, hydraulic system performance and reliability testing as well as evaluation can be done.
Main technical specifications：
Semi anechoic room: cut-off frequency 63 Hz, background noise ≤20 dB(A)
Mechanical input: power 315 kW，rotation speed～3000 r/min，torque 2000 Nm。
Hydraulic input：Maximum pressure 42 MPa，flow 0-600 L/min。
Mechanical output：Rotational torque 2000/50000 Nm，rotation speed 0—3000 r/min；Linear motion tension 2000 kN，Maximum stroke 3 m。
Hydro-machanical transmission test stand
Hydro-machanical transmission test stand includes performance test machine and factory test machine.
Hydro-machanical transmission performance test stand can conduct performance and life tests on hydraulic mechanical transmission device assembly. The test machine is designed in modules and can be quickly combined according to testing needs to conduct development, test and research on hydraulic transmission systems and key components of construction machinery, research on automatic transmission theory and control technology of construction machinery as well as physical simulation and matching research of construction machinery transmission systems.
Factory test machine for Hydro-machanical transmission devices can meet the cleaning and corresponding factory inspection and testing requirements of torque converters and gearbox assemblies in construction machinery.
Main technical specifications：
Input power 200、315 kW，Rotation speed range 500～2500 r/min，Torque 2000 Nm。
Output power 400 kW/750rpm，Rotation speed range 0～2500 r/min，Torque 20000 Nm。
Hydro-machanical factory test stand
Hydro-machanical performance test stand
Hydraulic equipment testing devices
Hydraulic equipment test device has 2 types: power loading test device and rescue equipment test device.
Power loading device was developed for loading test and evaluation of hydraulic power stations in marine engineering equipment. It consists of loading valve block, flow meter, cooler, seawater filter and acquisition control system, all of which are integrated into a container. By controlling the output parameters from power station, hydraulic system performance testing can be made. It provides scientific basis for daily performance testing of power station system.
Main technical specifications：
Flow:100～1200 L/min
Pressure:35 MPa
Rescue equipment test device consists of hydraulic power station and control console. It provides variable flow and pressure power source, controls the direction of fluid flow and achieves measurement of the parameters such as pressure, flow, temperature etc. It is used for indoor and outdoor rescue equipment commissioning, training etc.
Technical specifications of hydraulic power station：
Maximum system flow：120 L/min
Rated system working pressure：23 MPa
Power loading test device
Rescue equipment test device
Pile Hoist Testing Device
Pile hoist test device is used for simulating lifting test and performance test of built-in hydraulic pile hoist to ensure pile hoist product safe and reliable. It consists of loading component, load-bearing component, sample pile pipes, hydraulic and testing system. Hydraulic system drives loading cylinder to push load-bearing component and apply force on pile hoist. By changing loading component angles, horizontal and vertical loading tests can be achieved.
Main technical specifications of 96″ pile hoist test device:
Maximum horizontal tensile force：12000 kN
Maximum vertical tensile force：6000 kN
Maximum hoist specification：124 in
Main technical specifications of 36″ pile hoist test device:
Maximum horizontal tensile force：3000 kN
Maximum vertical tensile force：600 kN
Maximum hoist specification：36 in
36″pile hoist test devices
96″pile hoist test devices
VIV pipe laying simulation test devices
VIV pipe laying simulation test device has S-Lay laying dynamic simulation function, which can simulate dynamic loading of the S-Lay stinger roller on the VIV Strake, protective casing and other marine pipe protection devices, and can also test protection device slippage force. It consists of experimental device, hydraulic loading system, traction system, electronic control system etc.
Electrical control system adopts EtherCAT distributed system to collect various sensor data from power station and test bench. Through the communication with frequency converter and servo motor, the frequency converter motor and servo motor are controlled to complete test box reciprocating motion and hydraulic system loading.
This test device can meet the testing requirements of the steel pipe with a length of 9 meters and a diameter of φ114mm～φ1000mm. Steel pipes are tied with VIV Strake, protective casings and other protective devices with a thickness of ≤ 60mm.
Hydraulic loading system adopts the form of a four column press, with load ranging from 1 to 500kN and stroke of 900mm.
The traction system consists of two electric drive winches, with a rated traction force of 200kN and a constant speed of 0-6m/min.
Aircraft landing gear testing device
Aircraft landing gear testing device consists of wheel fatigue strength test stand and aircraft landing gear retraction reliability test stand.
Wheel fatigue strength test stand can achieve three wheel alternating loading, consisting of drive system, loading system and control system. Loading load, linear velocity, measure drum rotation speed, tire compression, cumulative test mileage and other parameters can be set.
Maximum diameter/width of test tire：≤1500/500 mm
Middle/side test tire loading load：≤200/120 kN
Wheel roll angle/yaw angle：≤-20°/-15°
Support movement speed：3.1-6.2 m/min
Aircraft landing gear retraction reliability test stand consists of body mechanism, lower positioning loading device, aerodynamic load simulation device, upper platform and drive device, local operation box and control system. It is responsible mainly for normal retraction and control of landing gear, simulating landing gear loading conditions during actual use, including aerodynamic loads, mass forces, inertial forces, locking resistance etc.
Maximum lifting force：30 KN
Front landing gear turning control angle：±180°
Turning torque：0～750 N.m
aerodynamic load：0～5000 N
Wheel fatigue strength test stand
Aircraft landing gear retraction reliability test stand
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