Hydraulic motor and speed reducer comprehensive test bed
A comprehensive test bench and hydraulic motor technology, applied in the field of hydraulic equipment testing, can solve the problems of proportional relief valve heating, energy waste, insufficient energy saving of the test bench, etc., and achieve the effect of avoiding energy waste.
Active Publication Date: 2017-10-13
SHANGHAI ELECTRICAL HYDRAULICS & PNEUMATICS
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Problems solved by technology
However, for such a test bench, as the test progresses, the proportional relief valve will heat up and cause the oil temperature to rise, that is, during the test process, most of the energy is converted into heat energy by the proportional relief valve, resulting in a waste of energy. Some test benches are not energy-saving enough and waste a lot of energy
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[0018] Such as figure 1 As shown, the hydraulic motor and reducer comprehensive test bench of the present invention includes the main oil pump 33, the tested hydraulic motor 69, the tested reducer 67.2, the loading reducer 67.1, the loading hydraulic motor 64, the power recovery motor 38, and the main oil Road, power recovery oil circuit, oil supply circuit.
[0019] Wherein, the main oil circuit is a closed cycle oil circuit, including the main oil pump 33 , the bridge circuit of the main oil circuit and the hydraulic motor 69 under test. The oil outlet of the main oil pump 33 is connected to the oil inlet of the tested hydraulic motor 69 through the main oil bridge circuit 33.1, and the oil outlet of the tested hydraulic motor 69 is connected to the oil inlet of the main oil pump 33 through the main oil bridge circuit. mouth.
[0020] The bridge circuit of the main oil circuit is composed of the first hydraulic control check valve 44.5, the second hydraulic control check v...
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The invention discloses a hydraulic motor and speed reducer comprehensive test bed. The hydraulic motor and speed reducer comprehensive test bed comprises a main oil pump, a tested hydraulic motor, a tested speed reducer, a loading speed reducer, a loading hydraulic motor, a power recovery motor, a main oil path, a power recovery oil path and an oil supplementing path. The power recovery oil path comprises the loading hydraulic motor, a power recovery bridge-type loop and a power recovery motor. An oil outlet of the loading hydraulic motor is connected to an oil inlet of the power recovery motor through the power recovery bridge-type loop. An oil outlet of the power recovery motor is connected to an oil inlet of the loading hydraulic motor through the power recovery bridge-type loop. According to the hydraulic motor and speed reducer comprehensive test bed, loads are simulated through the loading hydraulic motor, part of power is recovered through the power recovery oil path so as to drive the main oil pump, the performance and service lives of the hydraulic motor and the speed reducer are tested, energy waste is avoided, and the advantages of energy conservation and emission reduction are achieved.
Description
technical field [0001] The invention belongs to the technical field of hydraulic equipment testing, in particular to a comprehensive test bench for hydraulic motors and reducers. Background technique [0002] After the hydraulic motor and reducer are manufactured, it is necessary to test the service life under industrial control conditions such as specified pressure and speed. For this reason, a test bench is required to test the hydraulic motor and reducer. In the existing hydraulic motor and reducer comprehensive test bench, the load is simulated by using the proportional relief valve. However, for such a test bench, as the test progresses, the proportional relief valve will heat up and cause the oil temperature to rise, that is, during the test process, most of the energy is converted into heat energy by the proportional relief valve, resulting in a waste of energy. Some test benches are not energy-saving enough and waste a lot of energy. Contents of the invention [...
Claims
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Login to View More IPC IPC(8): F15B19/00G01M13/02
CPCF15B19/00G01M13/025Y02P70/10
Inventor 曾华范良俊
Owner SHANGHAI ELECTRICAL HYDRAULICS & PNEUMATICS