Test device of high-pressure water jet water jet propulsion device

Abstract

The invention belongs to the field of water jet propulsion test devices, and particularly discloses a test device of a high-pressure water jet water jet propulsion device; the test device comprises asupporting unit, a water inlet unit, a high-pressure cavity unit and a water outlet unit; the supporting unit comprises a support and a flat plate supporting assembly; the water inlet unit comprises awater inlet transition plate and a water inlet pipe, and the water inlet transition plate is connected with the water inlet pipe through a water inlet sleeve; the high-pressure cavity unit comprisesa high-pressure cavity shell and a high-pressure cavity front end cover and a rear end cover which are positioned at the two ends of the high-pressure cavity shell, a water inlet is formed in the high-pressure cavity front end cover, the high-pressure cavity shell is supported on the flat plate supporting assembly through a sliding assembly, and a tension and pressure sensor is arranged between the high-pressure cavity shell and the water inlet transition plate; the water outlet unit comprises a thrust chamber inner cavity, , a nozzle and a nozzle replacement part which are communicated with each other, wherein the nozzle replacement part is connected with a rubber elastic hose through the water outlet transition plate. The test device can test the performance of the water jet propulsion device in a laboratory ground environment, and has the advantages of being simple in structure, convenient to operate and the like.

Description

technical field [0001] The invention belongs to the field of water jet propulsion test devices, and more particularly relates to a test device of a high-pressure water jet water jet propulsion device. Background technique [0002] High-pressure water jet propulsion device is an important ship propulsion device, and a good test device is an important guarantee for research, design and improvement of high-pressure water jet propulsion device. [0003] At present, the thrust characteristics of the waterjet propulsion device are usually tested by dragging the propulsion device on the ship model in the ship tank, but this test needs to be carried out on the water surface or in the tank by using the ship model in a special ship tank. The test environment is complicated, the test process is complicated, the propulsion device equipped with it is poorly adjustable, the laboratory construction requirements are high, the difficulty is great, the laboratory resources are limited, and th...

AI Technical Summary

Problems solved by technology

[0003] At present, the thrust characteristics of the waterjet propulsion device are usually tested by dragging the propulsion device on the ship model in the ship tank, but this test needs to be carried out on the water surface or in the tank by using the ship model in a special ship tank

The test environment is complicated, the test process is complicated, the propulsion device equipped with it is poorly adjustable, the laboratory construction requirements are high, the difficulty is great, the laboratory resources are limited and the test cost is high, which is not conducive to the performance test and research of the high-pressure water jet propulsion device

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