SU1495495A1 - Variable axial-plunger hydraulic machine - Google Patents

Abstract

The invention relates to volumetric hydraulic machines and can be used in the structures of axial-piston hydraulic machines with a rotating rotary cylinder block. The purpose of the invention is to increase the efficiency by making guide rails in the distributor in the form of balancing plungers and a hinge in the form of a spring loaded shaft flange and center pin. The hydraulic machine comprises a shaft 2 located in the housing 1, a rotating rotary cylinder block 3 and a distributor with cavities in which balancing plungers 11 are located. The distributor under the action of forces caused by the action of the pressures of the working fluid on the bottoms of the bores of the cylinder block, turns forces acting on the bottoms of cavities, which create a compensating moment of forces, interfere. Balancing plungers 11 contribute to the movement of the cylinder block 3 with the valve to the zero position. 1 hp ff, 2 ill.

Description

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The invention relates to volumetric hydraulic machines, in particular to hydraulic machines with Vrash, Ayush, rotary cylinder block.

The purpose of the invention is to increase efficiency.

FIG. 1 shows a diagram of an adjustable axial-plunger hydraulic machine; in fig. 2 shows section A-A in FIG. one.

Adjustable axial-plunger hydraulic machine contains shaft 2 placed in housing 1, rotating rotary cylinder block 3 with pistons 4 pivotally connected by connecting rods 5 with hydrostatic support 6. Cylinder block 3 contacts with distributors 7.

The distributor 7 is made with sickle-shaped 8 pumping and draining windows, which are connected to the working fluid supply and discharging windows 9 and the cavity 10 balancing plungers 11 that support the cylinder block horizontally (as per the drawing) in its zero position. The distributor 7 is supported on the cylindrical surface 12 of the cover 13 and is connected to the piston 14 of the adjustment cylinder 15.

The balancing plungers 11 are each pivotally connected to their own shoe 16, which is mounted for movement in the guides 17.

The distributor 7 is connected to the cylinder block 3 by means of a spike 18. In the shaft 2 an axial boring is made in which the cup 19 is mounted. In the latter there is a sleeve 20, spring-loaded spring 21.

The sleeve 20 and the spike 18 are connected by a pull 22, hinged in the sleeve and the spike.

The axis of the cylindrical surface 12 is located in the plane of the centers of the connecting rods and passes through the center of the sealing rods, the piston of which is located in the bottom dead center.

Hydraulic machine works as follows.

The high pressure working fluid flows through the distributor 7 into the bores of the cylinder block 3, and the pistons 4 through the cranks 5 cause the shaft 2 to rotate. This is how the hydraulic machine works in the engine mode. The distributor 7 under the action of forces caused by the action of the forces of pressure of the working fluid on the bottoms of the bore of the cylinder block, tends to unfold. Its reversal is prevented by the forces acting on the bottoms of the cavities 10, which create a compensating moment of forces.

Balancing the plungers 11 contribute to the movement of the cylinder block 3 with the valve 7 to the zero position.

Claims (2)

1. Adjustable axial-plunger hydraulic fluid, which is set to 2Q housing on shaft, rotating rotary cylinder block with connecting rod, distributor with high and low pressure windows, mounted on the cylindrical surface of the cover with movement and connected with a pinch to the cylinder block and shaft, and the axis of the cylindrical surface of the plate is located in the plane of the centers of termination connecting rods and passes through the center of embedding the connecting rod, the piston of which is located at the bottom dead center, characterized in that, in order to increase the efficiency, boreholes are made in the distributor, each They are connected to the corresponding distributor window, and plungers are mounted in them, supported through the shoes on the housing. 2. Hydraulic machine according to claim 1, characterized in that an axial bore is made in the shaft from the side of the cylinder block with a spring-loaded sleeve disposed therein with a hinge hinged in the sleeve, the other end of which is hinged in the spike. thirty 35 -BUT Sh / sixteen Editor O. Golovach Order 4231/31 Proofreader E. Lonchakova Subscription Compiled by I. Ilyin Tehred I. I. Veres Circulation 522 NIIPI State Committee for Inventions and Discoveries under the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5 Production and publishing combine “Patent, Uzhgorod, ul. Gagarin, 101 . 2 Proofreader E. Lonchakova Subscription Covers m at the State Committee on Science and Technology of the USSR