What are the factors that affect the working efficiency of hydraulic lifting platforms?
When the hydraulic lifting platform oil flows through various hydraulic valves, there are inevitable pressure loss and flow loss, and the energy loss of this part accounts for a large proportion of the total energy loss. Let us summarize the factors that affect the working efficiency of hydraulic lifting platform for you.
1. Reasonable selection of hydraulic presses.
Adjusting the pressure of the pressure valve on the lifting platform is also an important aspect to reduce power loss.
The flow valve is selected according to the flow adjustment range in the system to ensure that its minimum stable flow can meet the requirements of use, and the pressure of the pressure valve can meet the normal operation of the hydraulic equipment.Under the circumstances, try to take the lower pressure.
2. Reasonable selection of hydraulic oil.
The hydraulic oil is formed by the vane pump to a certain pressure, and enters the lower end of the hydraulic cylinder through the oil filter, flameproof electromagnetic reversing valve, throttle valve, hydraulic control check valve and balance valve, so that the piston of the hydraulic cylinder moves upwards and lifts the weight. The oil returned from the upper end of the liquid cylinder is returned to the fuel tank through the explosion-proof electromagnetic reversing valve, and its rated pressure is adjusted through the overflow valve, and the reading value of the pressure gauge is observed through the pressure gauge.
When the hydraulic oil flows in the pipeline, it will show viscosity, and when the viscosity is too high, a large internal friction force will be generated, which will cause the oil to heat up and increase the resistance of the oil when it flows. When the viscosity is too low, it is easy to cause leakage, which will reduce the volumetric efficiency of the system. Therefore, the oil with suitable viscosity and good viscosity-temperature characteristics is generally selected.
How to choose hydraulic oil for the hydraulic lift platform?
3. When the oil flows in the pipeline, there is still pressure loss along the way and local pressure loss. Therefore, when designing the pipeline, try to shorten the pipeline and reduce the elbow.
4. Ensure the voltage stability of the working environment.
Voltage instability will burn out various electrical components in the operation box, and the lifting equipment cannot be controlled. Second, frequent voltage instability will directly burn the motor in the power unit. The consequences of motor burning are very serious. It will cause the pressure to drop instantly. If the lifting equipment is not equipped with safety equipment such as relief valve or explosion-proof valve, it will cause the lifting equipment to fall and cause an accident.
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