Controllable-pitch propeller hub test device

Abstract

The present invention discloses a controllable-pitch propeller hub test device and belongs to the marine machinery field. The device comprises a connecting flange, a connecting oil pipe, a control oil cylinder and a plurality of flange plates; the plurality of flange plates are suitable for being mounted on a hub to be tested so as to be used for simulating blade pitch varying; the connecting flange is suitable for being mounted on an end surface of the hub to be tested and is provided with an oil transportation cavity with an oil transportation opening, wherein the oil transportation cavity is suitable for being communicated with the reverse oil cavity of a pitch varying oil cylinder; one end of the connecting oil pipe is suitable for being connected with and communicated with an oil transportation pipe in the hub to be tested; the control oil cylinder is mounted on the oil transportation cavity; the other end of the connecting oil pipe is connected with the piston of the control oil cylinder; one end of a piston rod is fixedly connected with the piston, and the other end of the piston rod extends out from the control oil cylinder; and a transportation oil channel communicated with the connecting oil pipe is arranged in the piston rod. With the controllable-pitch propeller hub test device of the invention adopted, simulation testing can be performed on an assembled integrated product, so that it can be ensure that the performance index of the product can meet design requirements and use requirements.

Description

technical field [0001] The invention relates to the field of marine machinery, in particular to a controllable pitch propeller hub test device. Background technique [0002] Adjustable pitch propeller, referred to as controllable pitch propeller, can adjust the pitch of the blades to change the speed of the ship, realize the forward and reverse of the ship, and can match different speeds, so that the ship can achieve better fuel efficiency and efficiency under various working conditions. operability. The controllable pitch propeller mainly includes the propeller blade and the propeller hub. The propeller blade is fixedly installed on the crank plate of the propeller hub. There is a variable pitch cylinder inside the propeller hub. When driving forward or reversing, the hydraulic oil enters the reverse oil of the variable pitch cylinder Cavity or positive oil chamber, pushes the variable pitch piston in the pitch variable cylinder to move, and then drives the crank plate and...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the test of the controllable pitch propeller hub is usually a separate test for each component to ensure the manufacturing accuracy of each component, but there is a lack of simulation tests for the integrated product after assembly, and the performance of the assembled product cannot be guaranteed The indicators meet the design requirements and use requirements

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