A compact centering adjustable vibration isolation coupling

Abstract

The invention proposes a compact centering adjustable vibration-isolation coupling, which includes a right connecting spline shaft and a left connecting spline shaft; steel balls and steel balls are installed in the combined processing through holes between the left and right connecting spline shafts. The joint with the left and right connecting spline shafts is a point contact to transmit torque, thereby realizing the function of micro-adjustment of the left and right connecting spline shafts on the axis, and reducing the difficulty of assembling the power device shaft and the test bench. When the steel ball is in point contact with the left and right connecting spline shafts to transmit torque, a segmented vibration isolation combination pad is installed between the steel ball and the left and right connecting spline shafts to isolate the vibration transmission between the left and right connecting spline shafts. The invention can be used for the transmission connection between the main shaft and the test bench during the ground test of various types of underwater vehicle power devices to meet the requirement of isolating external vibrations; it can also be used for the connection between the underwater vehicle power device and the propeller shaft to isolate the vibration from the propeller The transmission can improve the stealth of the underwater vehicle; it can also be used for the power transmission connection between other transmission shafts.

Description

technical field [0001] The invention relates to the technical field of couplings, in particular to a compact centering adjustable vibration-isolation coupling, which can meet the needs of ground cold and hot vehicle tests and vibration source separation tests for underwater vehicle power devices to isolate external vibrations. It is used for the transmission connection between the main shaft and the test bench during the ground test of the power plant of heavy-duty and light-duty underwater vehicles; it can also be used for the connection between the power plant of heavy-duty and light-duty underwater vehicles and the shaft of the propeller; it can also be used for Power transmission connection between other drive shafts. Background technique [0002] The vibration of the underwater vehicle power system is affected by many factors such as multi-source strong coupling, load frequency band, load form, and load size. It is impossible to accurately describe its vibration charact...

AI Technical Summary

Problems solved by technology

[0005] 1) Since the existing coupling does not have the adjustment function, when the power unit is installed on the test bench, it is difficult to install the power unit under strict coaxiality requirements;

[0006] 2) The couplings currently used are generally rigid shafts with internal splines at both ends, which cannot effectively isolate the vibration of the test bench from the power device, and cannot effectively perform vibration and noise tests on the power device and analysis of the contribution of vibration sources

Images