Axial compensation mechanism for improving volume efficiency of sea water pump and sea water pump

Abstract

The invention provides an axial compensation mechanism for improving the volume efficiency of a sea water pump and the sea water pump, and overcomes the defects that the sea water pump of an existing underwater self-launching device is prone to leakage due to an axial gap, the volume efficiency is influenced and the working performance is reduced. The axial compensation mechanism for improving the volume efficiency of the sea water pump is located between a pump cover of the sea water pump and a gear pair composed of a driving gear and a driven gear and comprises a floating side plate, a leather cup and a triangular sealing gasket; the floating side plate is 8-shaped, is arranged close to the gear pair, is provided with two mounting holes, and is arranged on a transmission shaft and a rotating shaft through sliding bearings; the leather cup is fixed between the pump body and the pump cover; an annular boss is arranged on the outer side of each mounting hole of the floating side plate; annular boss insertion holes are formed in the leather cup; a compensation cavity is formed between the floating side plate and the leather cup; the compensation cavity communicates with a high-pressure area of the sea water pump; and the triangular sealing gasket separates a low-pressure area of the sea water pump from the compensation cavity.

Description

technical field [0001] The invention belongs to the technical field of liquid pumps, and in particular relates to an axial compensation mechanism for improving the volumetric efficiency of seawater pumps and a seawater pump. Background technique [0002] The light underwater self-launching device has the characteristics of diversification of attack targets. It can attack surface vehicles with a draft below 10m, and can also attack underwater vehicles with a diving depth of 600m. It should have stable working performance in a relatively large attack depth range (10m ~ 600m), be able to directly sense seawater depth, and the performance parameters of seawater pump components that use seawater outside the device as the working medium do not change with the change of navigation depth. Maintain a high volumetric efficiency within a large navigation depth range. [0003] The seawater pump is the core component of the seawater supply system of the thermodynamic underwater self-lau...

AI Technical Summary

Problems solved by technology

[0005]The purpose of the present invention is to solve the problem that the seawater pump of the existing underwater self-launching device is prone to leakage due to the gap in the axial direction, which affects the volumetric efficiency and reduces the working performance. place, and provide an axial compensation mechanism for improving the volumetric efficiency of seawater pumps and seawater pumps

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