Stacked column type two-dimensional multi-plunger monoblock pump

Abstract

The stacked column type two-dimensional multi-plunger monoblock pump comprises a shell, the left end and the right end of the shell are connected with a front end cover and a rear end cover respectively, the front end cover, the shell and the rear end cover jointly define a main hydraulic cavity, and a main pump body is arranged in the main hydraulic cavity; the main pump body comprises a left guide rail group, a flow distribution cylinder body group, a conical roller, a right guide rail group, a plunger, a central shaft and a pump shell; while rotating along with the flow distribution cylinder body, the plunger does reciprocating translational motion relative to the lining under the constraint of the conical roller, the left guide rail group and the right guide rail group; the rectangular hole in the flow distribution cylinder body is communicated with the left inclined long through hole and the right inclined long through hole in the pump shell, the cavity with the volume gradually increased absorbs oil, and the cavity with the volume gradually reduced discharges oil. Inertia force generated during reciprocating motion of structural parts such as the inner and outer shafts and the inner and outer plungers is counteracted in the mode that the conical rollers are matched with the balance guide rails, and mechanical vibration generated when the pump body works is reduced.

Description

technical field [0001] The invention relates to a hydraulic plunger pump, in particular to a column-stacked two-dimensional multi-piston unit pump. Background technique [0002] As an energy power component in a hydraulic system, a hydraulic pump plays a decisive role in system performance and work efficiency. With the rapid development of my country's industrial technology, hydraulic pumps have been widely used in important fields such as aerospace and marine vessels. However, due to the limitations of friction pairs and size, it is difficult for traditional plunger pumps to achieve the goals of high efficiency, high pressure, light weight, and low vibration. [0003] The internal structure of the traditional plunger pump is complicated, and there are many relatively moving parts. It has high requirements for materials and processing accuracy, is sensitive to oil pollution, and has high processing and maintenance costs and requirements. The price is expensive; The shafts ...

AI Technical Summary

Problems solved by technology

However, two-dimensional (2D) piston pumps still have shortcomings in terms of high speed, running stability and heavy loads.

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