SU1418482A1 - Piston-type pump - Google Patents

Abstract

The invention allows to simplify the design of the pump. Inside the housing 1, the master 2 and the driven 3 shafts are connected, connected by a splined coupling 4. The reciprocating mechanism is designed as a two-sided one installed with the possibility of rotation in the axles of the housing 1: an inclined washer (ha) 5. W 5 . The piston 6 is mounted on the shaft 3 and forms with the housing 1 two chambers 7 and 8. A roller mounted on the shaft 3, mounted as a stand 9, has spring-loaded hemispherical elements 11, which interact with the inner surface of plates 5, mounted on the axes. The rotation of Ø 5 is carried out by the adjusting screw 12, which interacts with the gear crown 13 Ø 5. 3 sludge.

Description

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; This invention relates to a hydrostatic engineering, namely to piston pumps with adjustable displacement,

i The purpose of the invention is to simplify the design of the pump.

1 shows a piston nacoc, longitudinal section; figure 2 - section aa in figure 1; on fig.Z - section bb in figure 1.

; The pump includes a housing 1, inside the iifOToporo a driving 2 and a driven 3 shafts are installed, which are interconnected by a splined coupling 4. A reciprocating mechanism. made in the form installed with the possibility of rotation in the pins of the housing 1 bilateral inclined washer 5, performed in the form of fastened to each other plates. The piston 6 is mounted on the driven shaft 3 and forms with the body 1 two chambers 7 and 8.

On the driven shaft 3 is fixed roller in the form of a rack 9, on the axle 10. which is mounted spring-loaded hemispherical elements

1, interacting with the inner

on the top of the plates of the inclined axis 5. Rotate the inclined washer 5 о; there is an adjustment screw 12 fixed in the root, input | into engagement with the iestentin end 13. In case J are

Outlet 14 and inlet 15 windows.

I

The piston pump works as follows.

with

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five

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five

When the drive shaft 2 rotates, the driven shaft 3 connected to it by the spline coupling 4, the elements 11 move along the inner surface of the inclined washer 5, while the piston 6 performs reciprocating and rotational movements.

. During rotation and simultaneous reciprocating movement of the piston 6, the outward 14 and inlet 15 windows open. On one side of the piston 6, a suction cycle occurs, and on the other, pressure is applied. The feed is controlled by turning the adjusting screw 12. When the inclined washer passes through the neutral position, the pump reverses.

Claims (1)

Invention Formula A piston pump comprising a housing, a drive shaft with splines, a feed change mechanism made in the form of an inclined washer with a gear ring, cooperating with an adjusting screw, a piston kinematically connected with an inclined washer, characterized in that it is equipped with driven shaft mounted on the splines of the drive shaft and connected to the piston, a roller with two spring-loaded hemispherical elements mounted on the driven shaft and interacting in an inclined washer, performed in the form of yx plates fastened together. eleven FIG.