Quantified and axial plunger pump

An axial plunger pump and plunger pump technology, used in pumps, multi-cylinder pumps, liquid variable capacity machinery, etc. Large volume and other problems, to achieve the effect of compact structure, light weight and small volume
CN104948409AActive Publication Date: 2015-09-30湖南力威液压设备股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
湖南力威液压设备股份有限公司
Publication Date
2015-09-30

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Abstract

The invention provides a quantified and axial plunger pump. The plunger pump is a radial flow distribution pump and comprises a transmission shaft, a cylinder, a flow distribution sleeve, a flow distribution shaft and an inclined disc, wherein the transmission shaft is driven by external force to rotate, the cylinder, the flow distribution sleeve and the flow distribution shaft are connected with the transmission shaft, and the inclined disc enables the plunger pump to output fluid in a quantified mode. The cylinder, the flow distribution sleeve, the flow distribution shaft and the transmission shaft are coaxially arranged. Compared with a traditional radial plunger pump, the plunger pump has the main advantages of being simple in structure, small in size and light in weight; compared with a traditional axial plunger pump, the plunger pump has the main advantages that the rotation speed of the pump can be substantially increased, working pressure can be substantially increased, the nominal flow rate can be multiplied, or at equal working pressure, the volume efficiency of the pump is remarkably improved, and noise can be lowered by more than10 db.
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Description

technical field

[0001] The invention relates to the field of plunger pumps, in particular to a quantitative axial plunger pump. Background technique

[0002] The plunger pump is a pump that relies on the reciprocating movement of the plunger in the cylinder to change the space volume of the sealed cavity to achieve oil suction or oil discharge. In the prior art, there are mainly two types of multi-piston piston pumps, one is an axial piston pump, and the other is a radial piston pump.

[0003] Among them, the radial plunger pump means that the plungers are radially arranged and installed in the rotor, and the rotor and the plungers are driven to rotate by the motor. The plunger is pressed against the inner wall of the stator by the centrifugal force and the oil supplied by the low-pressure high-flow gear pump. Its structure is as Figure 4 Shown, wherein, 01, plunger, 02, rotor, 03, bushing, 04, stator, 05, oil distribution shaft. When the rotor rotates clockwise to the l...

Claims

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