Hydraulic motor with integral output shaft
A hydraulic motor and output shaft technology, applied in the field of hydraulic motors, can solve the problems affecting the quality and performance of hydraulic motors, thermal deformation of thin-walled ball joints, etc., and achieve the effects of simple structure, less thermal deformation, and reduced impact.
Pending Publication Date: 2021-06-18
JIANGSU ZHENJI MACHINERY MFG
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Abstract
The invention discloses a hydraulic motor with an integral output shaft. The hydraulic motor comprises a shell, the integrated output shaft, a thrust plate, a retainer plate, a plunger, a cylinder body and an end cover, wherein the integrated output shaft is sequentially equipped with a front contact section, a spherical section, a middle contact section, a synchronous section and a rear contact section from front to back in the axial direction; the front contact section is rotatably connected to the front end of the shell through a front bearing; a special-shape spring is arranged on the spherical section in a sleeving manner, and the spherical section is elastically connected with the rear surface of the retainer plate through a special-shape spring; the middle contact section is a convex ring retaining shoulder and is resisted against the front end of the cylinder body; the synchronous section is arranged in the cylinder body and is connected with the cylinder body; the rear contact section penetrates through a flow distribution plate and is rotatably connected with the end cover through a rear bearing; and a floating piston ring is arranged at the front end of the end cover, and a corrugated spring is arranged between the floating piston ring and the end cover. According to the hydraulic motor with the integral output shaft disclosed by the invention, a ball joint structure of a ball joint type output shaft is eliminated, the influence of the coaxiality on the quality and the performance of products during processing of the products can be greatly reduced, the reliability is high, the structure is simple, the hydraulic motor is mounted and maintained more conveniently.
Application Domain
Reciprocating piston engines
Technology Topic
EngineeringCylinder block +6
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