Plunger friction pair of high-pressure seawater axial plunger pump with bionic non-smooth surface

A non-smooth surface, axial piston pump technology, applied in the field of piston friction pair, can solve the problems of easy corrosion, wear, affecting the normal use and service life of the piston pump, failure and other problems, and achieves low cost, high cost performance, The effect of improving performance

Active Publication Date: 2014-06-18
赛腾机电科技(常州)有限公司
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Problems solved by technology

Because the plunger friction pair works in the seawater environment, coupled with high speed and heavy load, it is very easy to cor...

Method used

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  • Plunger friction pair of high-pressure seawater axial plunger pump with bionic non-smooth surface
  • Plunger friction pair of high-pressure seawater axial plunger pump with bionic non-smooth surface
  • Plunger friction pair of high-pressure seawater axial plunger pump with bionic non-smooth surface

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Embodiment Construction

[0025] exist figure 1 , image 3 and Figure 4 In the schematic diagram of the plunger friction pair of the high-pressure seawater axial plunger pump with the bionic non-smooth surface shown, the present invention includes the plunger friction pair composed of the cylinder body and the plunger, and the plunger friction surface of the friction pair is in operation. There are a number of through-hole units connected to the inner cavity of the plunger on the friction surface inside the cylinder, with a diameter of 1.2mm; the rest of the friction surface of the plunger is provided with a number of pit units with a depth of 0.6mm. The opening area on the plunger surface is 1.13mm 2 . The above-mentioned through-hole unit body and the pit unit body are distributed in a helical shape, and the helical pitch is 10 mm. The above-mentioned through-hole unit body and the pit unit body together form a bionic non-smooth surface morphology. There are many kinds of cross-sectional shapes...

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Abstract

The invention discloses a plunger friction pair of a high-pressure seawater axial plunger pump with a bionic non-smooth surface. The plunger friction pair is mainly characterized in that through hole unit bodies communicated with an inner cavity of a plunger are arranged on the friction surface positioned in a cylinder body in the operation process of the outer surface of a plunger of the friction pair; the other friction surfaces of the plunger are provided with pit unit bodies. Preferably, a bush with the bionic non-smooth surface is added between the plunger and the cylinder body, a groove type trench is arranged on the outer wall of the bush, and the through hole unit bodies are regularly arranged at the bottom part of the trench. The plunger friction pair disclosed by the invention has the advantages that the lubricating capability, the bearing characteristic and the friction and wear properties of the plunger friction pair can be reasonably improved by high cost performance.

Description

[0001] Field [0002] The invention relates to a high-pressure seawater axial plunger pump, in particular to a plunger friction pair. Background technique [0003] The high-pressure seawater axial piston pump is the core power component of seawater hydraulic transmission and reverse osmosis seawater desalination and other systems with seawater as the medium. The plunger friction pair is one of the key friction pairs in the high-pressure seawater axial plunger pump. The plunger friction pair has a cylinder body, and the cylinder body is provided with 6 plunger holes parallel to its axis. Each plunger A corresponding plunger is arranged in each hole, and a cavity with an open end is arranged in the column body of the plunger, and the cavity communicates with the passage in the ball head. Because the plunger friction pair works in the seawater environment, coupled with high speed and heavy load, it is very easy to corrode and wear, which leads to failure, which seriously affects...

Claims

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Application Information

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IPC IPC(8): F04B53/14F04B53/16F04B53/18
Inventor 高殿荣毋少峰赵建华王志强梁瑛娜
Owner 赛腾机电科技(常州)有限公司
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