Product Categories
Contact Us
Ningbo Power Hydraulic Motor Co.,Ltd
Tel: 86-574-87193975
Fax: 86-574-23671688
Mobile: 86-18157449077
E-mail: shawn@motorpowers.com
Add:No.588 Danshuihong Road, Cixi City, Ningbo, China
News

Hydraulic Pump Is A Hydraulic System Of Power Components

Hydraulic pump is a hydraulic system of power components, is driven by the engine or motor, sucked from the hydraulic tank, the composition of the oil repellent, sent to the implementation of an element of the device. Hydraulic pump according to the structure can be divided into gear pump, piston pump, vane pump and screw pump. The following describes the types of hydraulic pumps and hydraulic pump work.

Hydraulic pump is a kind of energy conversion device that converts the rotating mechanical energy of the motor into hydraulic energy and outputs it. Hydraulic pumps rely on the sealed volume of change to end the work of the reason, it is also commonly known as volumetric hydraulic pump, a, the plunger in the spring 4 under the constant pressure on the eccentric 1. The prime mover drives the eccentric wheel 1 to rotate to make the plunger 2 reciprocate, so that the size of the sealed volume a occurs cyclically. When a small from the small to become part of the vacuum, so that the oil tank in the atmospheric pressure impregnation, the suction tube top open the check valve 6 into the oil chamber a and achieve oil absorption; the other hand, when a from large to small, a cavity Full of oil will open the check valve 5 into the system to achieve pressure. In this way, the hydraulic pump converts the mechanical energy output by the prime mover into liquid pressure energy, and the prime mover drives the eccentric wheel to continue to rotate. The hydraulic pump continuously sucks and presses oil.

Hydraulic pump is a hydraulic system of power components, is driven by the engine or motor, sucked from the hydraulic tank, forming a pressure oil discharge, sent to the implementation of a component. Hydraulic pump according to the structure will be divided into gear pump, piston pump, vane pump and screw pump.

Wheel pump is a simple structure of the pump hydraulic pump, its anti-fouling ability, the cheapest price. However, the general lower volumetric efficiency gear pump, bearing a larger imbalance, the pressure is not high. Another major disadvantage of gear pumps is the large flow pulsation and high levels of noise during operation, especially when operating at high pressures.

Gear pump is mainly used for low pressure or noise level is not strict restrictions on the occasion. General mechanical lubrication pump and non-self-priming pump auxiliary pump gear pump are used.

Advantages: simple structure, reliable, easy maintenance, low price, strong self-absorption.

Disadvantages: easy to produce vibration and noise, leakage, low volumetric efficiency, radial hydraulic pressure imbalance, the flow is not adjustable. Working pressure: generally used for low pressure.

Vane pump is mainly used in medium pressure, medium speed, high precision hydraulic system. Widely used in machine tool hydraulic system; in construction machinery, due to unclear working environment, less application. Advantages: uniform oil delivery, small pressure pulsation, high volumetric efficiency Disadvantages: complex structure, difficult to process, the leaves are easily stuck by dirty work pressure: medium pressure