A multi-functional high-power automatic hydraulic transmission complete machine test device
A hydraulic transmission and high-power technology, which is applied in the field of multifunctional high-power transmission machine test equipment, can solve the problems of incomplete function, low test accuracy, no road model, etc., and achieve the goal of reducing test cost and improving test accuracy and scope Effect
Active Publication Date: 2020-04-24
贵州凯星液力传动机械有限公司
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Problems solved by technology
[0003] In order to solve the technical problems existing in the existing test benches, the present invention aims to provide a multifunctional high-power automatic hydraulic transmission complete machine test device, which overcomes the incomplete functions, high energy consumption, and testing problems of the traditional high-power transmission complete machine test benches Problems such as low accuracy and no road model function
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[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the claimed scope of protection is not limited to the above.
[0024] The present invention is aimed at various performance tests of different types of hydraulic transmissions with an input power of 200-450kW, and the types of hydraulic transmissions that can be tested include coaxial type, non-coaxial type, rear loading and front and rear simultaneous loading models, and the test bench The frequency conversion AC motor is used to simulate the actual working conditions, the drive motor simulates the power input of the engine, and the loading motor simulates the size of the load and simulates the load of electric inertia.
[0025] like Figure 4~6 Shown, each component of the present invention is described as follows:
[0026] Driving and front loading power head: mainly composed of driving motor, front loading motor, first ...
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The invention discloses a multifunctional large-power automatic fluid power whole machine testing apparatus for speed changer. A frequency variable AC motor simulates various operation conditions of a speed changer a frequency variable driving motor simulates the power input of a diesel oil engine, and a power loading absorption variable frequency motor simulates output end load. Through different connection means, static and dynamic test of the performance of a whole machine of coaxial type, and non-coaxial type and large power fluid power speed changers different front and rear output types can be realized, and the system has anti-dragging function. A vector control frequency converter drives an input and output motors to realize accurate control of the rotating speed, the rotating speed difference, the torque and the torque difference of the input and output motors. One input motor and two loading motors employ a shared DC bus enclosed driving system, and a residual electric quantity feedback unit is provided, so that the superfluous electric energy generated by the loading motors is fed back by an electricity feedback unit to a workshop power grid, and the feedback electric energy has no influence on the power grid of a workshop.
Description
technical field [0001] The invention relates to the technical field of hydraulic transmission testing systems, in particular to a multifunctional high-power transmission complete machine testing device. Background technique [0002] The existing high-power hydraulic transmission test system can test the coaxial after-loading, and can test the non-coaxial after-loading test with the adapter tooling, but the coaxial and non-coaxial after-loading cannot be tested on one test bench , front and rear loading, and static and dynamic tests of the overall performance of the multi-output hydraulic transmission, and the loading form is hydraulic dynamometer loading, which consumes a lot of energy and cannot simulate actual working conditions to simulate electrical inertia loading. The test accuracy is low and the test content Incomplete. Contents of the invention [0003] In order to solve the technical problems existing in the existing test benches, the present invention aims to pr...
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IPC IPC(8): G01M13/026
CPCG01M13/021
Inventor 汪植林李进洪廖安强钟强杨旭东
Owner 贵州凯星液力传动机械有限公司