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Industry News

Operation mode of electric hydraulic lifting platform

Source: Time:2019-05-20 14:51:07 views:

  & nbsp; Working principle: Hydraulic oil is composed of a blade pump to generate a certain pressure. It enters the lower end of the hydraulic cylinder through an oil filter, a explosion-proof electromagnetic directional valve, a throttle valve, a hydraulic control check valve, and a balance valve, causing the piston of the hydraulic cylinder to move upward and lift the heavy object. The return oil from the upper end of the hydraulic cylinder returns to the oil tank through the explosion-proof electromagnetic directional valve, and the additional pressure is adjusted through an overflow valve. The pressure gauge is used to investigate and read the value.



  & nbsp; The piston of the hydraulic cylinder moves downwards (i.e. the heavy object descends). The hydraulic oil enters the upper end of the hydraulic cylinder through the explosion-proof electromagnetic directional valve, and the return oil from the lower end of the hydraulic cylinder returns to the oil tank through the balance valve, hydraulic control check valve, throttle valve, and explosion-proof electromagnetic directional valve. In order to ensure smooth descent of heavy objects and safe and reliable braking, a balance valve is installed on the return oil circuit to balance the circuit and maintain pressure, so that the descent speed is not affected by heavy objects. The flow rate is regulated by a throttle valve to control the lifting speed.

  & nbsp; To ensure safe and reliable braking and prevent accidents, a hydraulic control check valve, also known as a hydraulic lock, is added to ensure safe self-locking in the event of an unexpected hydraulic pipeline rupture. An overload sound alarm has been installed to distinguish between overloading or equipment malfunctions.

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