Maintenance of Hydraulic Piston Pump Parts: The Key to Revitalizing Equipment

In the world of engineering machinery, the hydraulic piston pump is a crucial component. It is akin to the "heart" of the equipment, providing power for various actions. To ensure the efficient operation of the equipment, it is vital to understand the usage and maintenance methods of hydraulic piston pump parts.

The impact of oil supply types on hydraulic piston pump parts

First, let's focus on the form of oil supply. Axial piston pumps are divided into two types: pressure oil supply and self-priming. For pressure oil supply hydraulic pumps, an air pressure oil tank is a common configuration, while some hydraulic pumps are equipped with a make-up pump to provide oil pressure at the inlet. Self-priming hydraulic pumps rely on their strong self-priming ability without the need for external oil supply.

During use, for hydraulic oil tanks that rely on air pressure to supply oil, the machine must be started and the hydraulic oil tank must reach the operating pressure before operating the machinery. Operating with insufficient air pressure may cause the sliding whip in the hydraulic pump to disengage, leading to abnormal wear of the return plate and pressure plate inside the pump. For piston pumps that use a make-up pump for oil supply, operators should check the pump 1-2 times daily to ensure the hydraulic pump's operating sound is normal. If the speed of the hydraulic cylinder decreases or the machine stalls, the make-up pump should be disassembled and inspected for scratches on the impeller edges or excessive internal gear pump clearance.

For self-priming piston pumps, the oil level in the hydraulic oil tank should not be lower than the minimum oil mark to maintain adequate hydraulic oil. Additionally, the cleanliness of the hydraulic oil directly affects the lifespan of hydraulic piston pump parts.

The importance of bearings in hydraulic piston pump parts

Next, let's focus on a key component of hydraulic pumps: bearings. The average lifespan of bearings is 10,000 hours. Once this value is exceeded, they need to be replaced. When disassembling bearings without professional testing equipment, visual inspection can be used. If scratches or discoloration are found on the roller surface, the bearing must be replaced promptly. When replacing bearings, note the English letters and model of the original bearing and try to purchase products from the original manufacturer and specifications. If replacing with other brands, consult experienced personnel for a compatibility chart to ensure the bearing's precision grade and load capacity.

Inspection and repair of friction pairs in hydraulic piston pump parts

The repair of the piston rod and cylinder hole, slipper and swashplate, and distribution plate and cylinder distribution surface requires professional techniques and methods. During the repair process, strictly follow the standards to ensure that the repaired hydraulic piston pump parts can restore their original performance and precision.

In summary, the use and maintenance of hydraulic piston pumps in engineering machinery are key to ensuring the equipment operates normally. Correct use and maintenance can extend the lifespan of hydraulic piston pump parts and improve equipment reliability and work efficiency. Additionally, during maintenance, it is important to choose professional repair personnel and high-quality parts to ensure repair quality and equipment safety. The maintenance and upkeep of hydraulic piston pump parts are not only related to the lifespan of individual components but also directly impact the operating state and efficiency of the entire equipment.