NEW DESIGN OF HIGH-TORQUE HYDRAULIC MOTOR AND ITS CHARACTERISTICS
Keywords:
high-torque hydraulic motor; housing; rotor; blade; torque; frame; operat-ing pressure; radius; rotor length.Abstract
The paper considers a simplified design of a hydraulic motor consisting of a minimum number of parts: a housing, a rotor and blades, where the rotor has a working cavity in the form of a half-segment. Calculations of forces and torques acting on the elements of a high-torque motor are given, and graphs of the dependences of torque on the radius, pressure and length of the rotor are obtained. A comparative analysis of technical characteristics determining the power parameters and dimensions with existing typical hydraulic motors is carried out. Based on the results obtained, it is possible to start developing a design scheme for a hydraulic motor, depending on geometric or technological parameters. This method of designing a hydraulic motor is applicable to a working volume of 100 mm3 at a pressure of up to 25 MPa, while creating a torque at the eastern end of the shaft up to 1500 Nm.
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