Hydrostatic Axial Piston Machine with Inclined Shaft Structure

An axial piston engine, hydrostatic technology, applied in reciprocating piston engine, variable displacement engine, liquid variable displacement machinery, etc., can solve the problems of axial piston engine failure, piston breakage, etc. Strength-enhancing effect

Inactive Publication Date: 2021-09-24
LINDE HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of relatively small piston cylindrical section diameters, this can lead to breakage of the piston and thus failure of the axial piston machine

Method used

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  • Hydrostatic Axial Piston Machine with Inclined Shaft Structure
  • Hydrostatic Axial Piston Machine with Inclined Shaft Structure
  • Hydrostatic Axial Piston Machine with Inclined Shaft Structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] exist figure 1 The hydrostatic axial piston machine of the oblique shaft structure mode of the prior art occurs with a longitudinal section illustration in the figure. An axial piston machine 1 designed as an inclined-axis machine has a housing 2 in which a drive shaft 4 provided with a drive flange 3 is mounted rotatably about an axis of rotation 6 by means of a bearing device 5 .

[0025] A cylinder 7 arranged axially adjacent to the drive flange 3 in the housing 2 is arranged rotatably about an axis of rotation 8 , provided with a plurality of pistons arranged concentrically with the axis of rotation 8 of the cylinder 7 Recesses 9 in which a piston 10 is arranged longitudinally displaceable in each case.

[0026] The axis of rotation 6 of the drive shaft 4 intersects the axis of rotation 8 of the cylinder 7 at a point of intersection SP.

[0027] The cylinder barrel 7 bears against the control body 12 provided with the control surface 11 via the end face 7a. A sli...

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PUM

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Abstract

The invention relates to a hydrostatic axial piston machine with an oblique shaft structure, which has a drive shaft arranged rotatably around the axis of rotation inside the housing, the drive shaft is provided with a drive flange, and has a drive shaft rotatably around the axis of rotation. A cylinder arranged in the housing of an axial piston machine, wherein the cylinder is provided with a plurality of piston recesses, in which respectively longitudinally displaceable pistons connected to the drive flange are arranged , wherein the piston is hingedly fixed on the drive flange, in order to fix the piston hingedly on the drive flange, a ball joint connection is provided respectively, and the ball joint connection is formed by the hollow spherical receiving shell in the end face of the drive flange and the piston The ball head on the top is formed, wherein the hollow spherical receiving shell is embodied in the end face of the drive flange so that it covers the ball head by more than 180 degrees, and a chamfer delimiting the hollow spherical receiving shell is formed on the end face of the drive flange. The chamfer limits the radially outward displacement of the hollow spherical receiving shell relative to the hollow spherical receiving shell.

Description

technical field [0001] The invention relates to a hydrostatic axial piston machine of oblique shaft construction, having a drive shaft arranged rotatably about an axis of rotation inside a housing, the drive shaft being provided with a drive flange and having a drive shaft rotatably about an axis of rotation. A cylinder barrel arranged inside the housing of the axial piston machine, wherein the cylinder barrel is provided with a plurality of piston notches, in which the pistons connected to the drive flange are respectively arranged in a longitudinally displaceable manner, wherein the pistons are articulated fixed on the drive flange and for the hinged fixing of the piston, a ball joint connection is respectively provided on the drive flange, and the ball joint connection is formed by a hollow spherical receiving shell in the end face of the drive flange and a ball head on the piston, wherein The hollow spherical receiving shell is embodied in the end face of the drive flange ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/14
CPCF04B1/126F04B1/2014F01B3/0038F01B3/007F03C1/0605F03C1/0636F04B1/20
Inventor M·贝格曼L·克里特蒂安
Owner LINDE HYDRAULICS
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