Rail-type hydraulic lifting freight elevator A non-scissor-type hydraulic lifting freight elevator, the characteristics of lifting freight rail-type hydraulic lifting freight elevator using heavy chain transmission, oil wire rope for insurance, rail-type hydraulic lifting freight elevator using hydraulic explosion-proof oil pipe, equipped with anti-overloading Safety device, with multiple limit switch protection, door open and power failure protection device, leakage protection device, and multi-storey building interactive chain, so the safety factor of rail-type hydraulic lifting freight elevator is much higher than ordinary freight elevator; Very widely used vertical cargo transport equipment. It uses a motor to drive the oil pump and relies on the oil cylinder to drive the heavy chain to drive the hydraulic lifting freight elevator to level up and down. Because it uses hydraulic pressure as the lifting power, it has the characteristics of large load capacity and stable lifting, which is widely used in vertical transportation of goods between high-rise buildings. Rail-type hydraulic lifting freight elevators use oil cylinders and chains to drive, and there are fewer moving parts, so the maintenance workload is less than that of scissor-type hydraulic lifting freight elevators; rail-type hydraulic lifting freight elevators have a compact structure and use fewer bearings than scissors-type hydraulic elevators. The service life is much longer than the scissor-type hydraulic lifting freight elevator; the rail-type hydraulic lifting freight elevator uses hydraulic transmission, so the load capacity is relatively large; the transport height of the rail-type hydraulic lifting freight elevator is much higher than the scissor-type hydraulic lifting freight elevator, Ten meters, the stability is also better than the scissor-type hydraulic lifting freight elevator; the rail type hydraulic lifting freight elevator uses its own weight and cargo weight, so it is more economical to run than ordinary freight elevators; the hydraulic lifting freight elevator adopts PLC programmable controller, which can realize intelligent control Simultaneous display and simple line, low failure rate. Divided according to the structure of the lift: scissor lifts (fixed scissor lifts, mobile lifts), cylinder lifts, aluminum alloy (pillar) lifts, crank-arm lifts (folder-arm upgrades), oil cylinders Straight top lifting device, guide rail chain lift (elevator, freight elevator), steel cable type hydraulic lifting device. 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 return oil 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.