Hydraulic cy pump

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3 year

Product details

Hydraulic Piston Pump: Specific Content

I. Definition and Working Principle

A hydraulic piston pump is a pump that uses the reciprocating motion of a piston to transport liquid. Its working principle is as follows: During the reciprocating motion of the piston, when the piston moves outward, the outlet check valve closes under its own weight and pressure difference, while the inlet check valve opens under the pressure difference to draw liquid into the pump chamber. When the piston is pressed inward, the pressure in the pump chamber rises, causing the inlet check valve to close and the outlet check valve to open, thereby pressing the liquid towards the outlet pipe.

II. Structure and Composition

A hydraulic piston pump typically consists of a pump cylinder, piston, inlet and outlet valves (or check valves), inlet and outlet pipes, connecting rod, and transmission device. These components work together to achieve the suction, compression, and discharge of liquid.

III. Types and Classification

Hydraulic piston pumps can be classified according to different criteria. For example, based on the number of pistons, they can be divided into single-cylinder piston pumps and multi-cylinder piston pumps. According to the motion mode of the piston, they can be classified as reciprocating piston pumps and rotary piston pumps (although rotary piston pumps are more commonly known as plunger pumps). Additionally, there are variable displacement piston pumps and fixed displacement piston pumps.

IV. Applications and Characteristics

Hydraulic piston pumps have a wide range of applications in various fields such as industry, agriculture, and transportation. Their main characteristics include:

1. They can generate high pressure, suitable for occasions requiring high-pressure liquid transportation.

2. The flow rate is adjustable by changing the stroke of the piston, rotational speed, or adjusting the opening of the valves.

3. The structure is relatively simple, easy to manufacture and maintain.

4. However, the reciprocating motion of the piston can produce significant vibration and noise, and the efficiency is relatively low. Therefore, they may not be suitable for occasions with high requirements for noise and efficiency.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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3 year

Main Product: hydraulic motor, gear box , hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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