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Mobile lift, fixed lift, unloading platform, hydraulic loading bridge

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Definition and construction principle of mobile boarding bridge

Mobile hydraulic boarding bridgeMobile hydraulic boarding bridgeMobile hydraulic boarding bridge Drive into the interior of the carriage for bulk loading and unloading of cargo. Only a single person is required to achieve rapid loading and unloading of cargo. It enables enterprises to reduce a lot of labor, improve work efficiency, and obtain greater economic benefits.

The hydraulic oil is formed with a certain pressure by a vane pump, and enters the lower end of the hydraulic cylinder through an oil filter, an explosion-proof electromagnetic directional valve, a throttle valve, a hydraulic control check valve, and a balance valve, so that the piston of the hydraulic cylinder moves upward and lifts the weight. The oil return from the upper end of the cylinder is returned to the fuel tank through the explosion-proof electromagnetic directional valve, and its rated pressure is adjusted by the relief valve, and the pressure gauge reading value is observed through the pressure gauge.

The piston of the cylinder moves downwards (that is, the weight is lowered). The hydraulic oil enters the upper end of the hydraulic cylinder through an explosion-proof electromagnetic directional valve, and the return oil at the lower end of the hydraulic cylinder returns to the fuel tank through a balance valve, a hydraulic control check valve, a throttle valve, and an explosion-proof electromagnetic directional valve. In order to make the heavy object fall smoothly and the brake is safe and reliable, a balance valve is set on the oil return road to balance the circuit and maintain the pressure so that the descending speed is not changed by the heavy object. The flow is adjusted by the throttle valve to control the lifting speed. In order to make the brake safe and reliable and prevent accidents, a hydraulically controlled check valve, that is, a hydraulic lock is added to ensure that the hydraulic pipeline can be safely self-locked in the event of an unexpected burst in the hydraulic pipeline. An overload sound alarm is installed to distinguish overload or equipment failure.

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