Joined: 20 Jul 2015
|Posted: Thu Aug 27, 2020 2:31 am Post subject: How to use the plug pump of a hydraulic pump
|Disassemble the lower bearing and select it for testing. If scratches or discoloration are found on the surface of the roller, replace it. When replacing the bearing, the English letter and type of the bearing should be kept. Most plunger pump bearings use large load capacity bearings. Purchase the original manufacturer and the original standard product. If you replace another brand, you should consult a person with experience in bearings. The purpose of table exchange is to maintain bearing and load capacity.
Hydraulic plug pump application and repair methods: This article focuses on the straight-axis swash plate plunger pump, and introduces the use and repair methods of hydraulic pump plug pumps. 1 Oil supply method of hydraulic pump
Straight shaft swash plate plunger pump is divided into two types: pressure supply type and self-priming type. Most of the pressure-supply hydraulic pumps use an air tank, and some hydraulic pumps have their own supplementary sub-pumps to supply pressure oil to the inlet of the hydraulic pump. The self-priming hydraulic pump is very talented in self-priming, and there is no external force to supply oil. The hydraulic oil tank with pneumatic oil supply can only operate the machine after the hydraulic tank reaches the applied air pressure every time the machine is started. For example, when the air pressure of the hydraulic oil tank is lacking, it will act as a machine, which will cause a pull-off scene of the sliding whip in the hydraulic pump, and cause abnormal wear of the return plate and pressure plate in the pump. Choose a plunger pump supplied by a charge pump. After use, the operator needs to check the plunger pump 1-2 times a day to check whether the hydraulic pump is working properly. If it is found that the speed of the hydraulic cylinder is slowing down or the car is stuffy, the charge pump should be broken to check whether the empty space of the internal gear pump is too large.
The component of the plunger pump is the bearing. Assuming that the bearing has clearance, the normal empty position of the three pairs of friction pairs of the hydraulic pump cannot be made. At the same time, it will also damage the thickness of the hydrostatic support oil film of each friction pair and reduce the service life of the plunger pump bearing. According to the information provided by the hydraulic pump manufacturer, the average service life of the bearing is 10,000h. The disassembled bearing cannot be inspected without checking the instrument. You can only choose to measure it. If the roller is found to be discolored or discolored, it will be replaced.
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