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[CN201821242334.X] Hydraulic machinery protection device
[CN201821242334.X] Title of a hydraulic mechanical protection device: Application number of a hydraulic mechanical protection device: CN201821242334.X Applicant: Shanghai Volkswagen Hydraulic System Co., Ltd. Application date: 2018-8-3 Patent type: Utility model The utility model provides A hydraulic mechanical protection device includes a housing, a sealing plate is fixedly installed inside the housing, and a hydraulic rod is fixedly connected to the top of the sealing plate, the surface of the housing is provided with ventilation holes, the left and right sides of the housing are fixedly installed with a base, and the top of the base is fixedly installed with a motor. In the hydraulic mechanical protection device, a vacuum pump is arranged in the refrigeration chamber to vacuum the inside, and then the refrigerant pump is turned on. Since the flow rate of the refrigerant pump is greater than the flow rate of the generator through the throttle expansion valve, after the refrigerant pump works for some time, the water level of the generator becomes higher, and the water in the pressurized inner centrifuge is displaced into the generator, and the low pressure condition in the generator is also displaced into the pressurized inner centrifuge, absorb the heat of the hydraulic rod for refrigeration and cooling, accelerate the heat dissipation, and reduce the influence of temperature on the viscosity of hydraulic oil.
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