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The working principle of electric lifting platform

by:Powerston     2021-08-15
The working principle of the electric lifting cage platform The hydraulic oil of the vane pump in the lifting stage causes certain pressure, oil filter, explosion-proof electromagnetic directional valve, throttle valve, hydraulic control check valve, and balance valve to enter the low cylinder, and the piston of the hydraulic cylinder moves upward , the weight, and the flameproof electromagnetic reversing valve of the upper cylinder returns to the oil tank, and the rated pressure is adjusted through the overflow valve. Observe the pressure gauge reading. The piston of the hydraulic cylinder moves downward (weight). The oil cylinder explosion-proof electromagnetic directional valve of the electric lifting platform, the hydraulic cylinder return balance valve, the hydraulic control check valve, the throttle valve, and the explosion-proof electromagnetic directional valve return to the oil tank. Make weight loss calm, brake safe and reliable, set balance valve to return oil, balance circuit, continue to apply pressure, so that the falling speed is not affected by weight changes, throttle valve flow adjustment, and speed control. In order to make safe and reliable braking and prevent accidents, the electric lifting platform has increased the hydraulic pressure controlled by the check valve and the hydraulic lock to ensure the safe self-locking in the accident of the hydraulic pipeline rupture. Acoustic alarm installation overload distinguishes overload or equipment failure. The electrical control system controls the rotation of the motor through the explosion-proof button SB1 and the lifting platform SB6. The explosion-proof electromagnetic directional valve changes direction to maintain the load to increase or decrease, and adjust the time delay, which is planned by 'flags' to avoid frequent starting of the motor and affecting the service life . 100.
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