The solution to the insufficient flow of the hydraulic pump station of the rail-type lifting cargo lifting platform, the machine will tell you. (1) Insufficient intake. The reason is that the flow resistance on the oil suction pipeline of the rail-type lifting cargo lifting platform is too large or the oil supplement is insufficient. Such as the steering of a pump. The liquid level in the oil tank is too low, the oil temperature is too high, the oil inlet pipe is leaking, and the oil filter is blocked. (2) The leakage is too large. The reason is that the gap is too large and the sealing is not good. If the oil distribution pan is scratched by metal fragments, iron filings, etc., oil leakage on the end face will increase greatly. The sealing surface of the one-way valve in the variable mechanism is not well matched, and the bearing surface of the pump body and the oil distribution plate has blisters or cracks. This can check the foreign matter mixed in the hydraulic oil in the pump body, without judging the damaged part of the pump. The troubleshooting should be based on different reasons. Such as re-grind the sealing surface of the one-way valve, grind the oil distribution plate and the end surface of the cylinder, and replace the parts with blisters or cracks. When the plunger and the plunger hole are severely worn or damaged, the cylinder hole should be re-plated with copper, ground and other processing repairs. If the piston of the variable mechanism is severely worn, the piston can be replaced to ensure that the gap between the piston and the piston hole is 0.02 mm. When there is no close contact between the oil distribution plate of the hydraulic lifting cage
platform and the pump body, which causes a large amount of leakage, the hydraulic pump should be disassembled and reassembled. If the oil viscosity is too low, the leakage of each part will increase, and the hydraulic oil must be replaced. (3) The actual inclination angle of the swash plate is too small, so that the pump displacement is small, which requires the control lever to increase the inclination angle of the swash plate. (4) The pressure plate is damaged. When the plunger pump is working in the self-priming state, the pressure plate is damaged, the pump cannot self-prime, and there is no flow output. The pressure plate should be replaced. Chinese rail type lifting cargo lifting cage platform manufacturer, committed to mobile lifting cage platform, self-propelled aerial work platform, fixed lifting platform, rail type lifting cargo lifting platform, aluminum alloy lifting platform, cylinder lifting platform, folding arm lifting platform , Vehicle-mounted lifting platform, disabled lifting platform, lifting stage, lifting platform and other ten series of hydraulic lifting platform products, all the company's products meet the relevant national and industry technical standards, customer satisfaction has always been our eternal pursuit.
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