The role of the pump station on the electric lifting platform is like the heart of the human body. It is responsible for pumping the hydraulic oil in the elevator to every corner of the tubing. Recently, customers have reported that the pump station is overheated during the operation process, allowing the customer to turn a blind eye. This problem, Jinan Zhenyang Lift Machinery Co., Ltd. Tips can not be general, the reasons are as follows:
The pump station generates a certain amount of heat during operation, but overheating is a problem:
First, the motor failure has been a motor failure, we use a variety of motors, the interior is composed of iron core and winding coil. Windings have resistance, which causes losses when energized. The loss is proportional to the square of the resistance and current. This is what we often call copper loss.
2 If the current is not a standard DC or sine wave, it will also produce harmonic losses; the core has a hysteresis eddy current effect, in the alternating magnetic field will also produce losses, its size and material, current, frequency, voltage, which is called iron damage.
3 Both copper loss and iron loss are expressed in the form of heat, which affects the efficiency of the motor. The motor generally seeks positioning accuracy and torque output, the efficiency is relatively low, the current is generally large, and the harmonic components are high, the frequency of the current alternating changes with the rotation speed, so the elevator motor generally has a heating situation, and the situation is more serious than the general AC motor At this time, it should contact the manufacturer or professional maintenance personnel in time for maintenance.
Second, other failures 1 Tubing clogging, check whether the smooth flow of the tubing, poor hydraulic fluid circulation will bring a burden on the hydraulic system, so that the pump station heat.
2 The equipment is overloaded. Check whether the cargo exceeds the rated load, causing the pump station to overheat. Overloading will seriously affect the service life.
Summary: The overheating of the electric lifting platform pump station will affect the normal use. It is very necessary to do a good job of inspection. The pump station should also do maintenance work when it is used daily. This makes the electric lifting platform have a good 'heart' for long-term use. Go on.
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