Hydrostatic axial piston machine utilizing a bent-axis construction

An axial piston engine, hydrostatic technology, applied in the direction of reciprocating piston engine, variable displacement engine, liquid fuel engine, etc. Transmission device, etc.

Active Publication Date: 2015-02-11
LINDE HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the axial piston machine according to the generic oblique shaft structure, the driving device for driving the cylinder drum in the axial piston machine is provided on the drive shaft and the cylinder The drive joint between the drums forms a disadvantage in that no torque is allowed to be guided through the axial piston machine, since the drive joint is arranged between the axis of rotation of the cylindrical drum and the axis of rotation of the drive shaft intersection
In the known axial piston machines with an oblique shaft construction of the driving joint for driving the cylindrical drum, it is therefore not possible to provide a direct transmission of torque, whereby the application of the axial piston machine Is limited

Method used

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  • Hydrostatic axial piston machine utilizing a bent-axis construction
  • Hydrostatic axial piston machine utilizing a bent-axis construction

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Embodiment Construction

[0025] The hydrostatic axial piston machine 1 constructed as a bent axis machine according to the present invention is based on figure 1 There is a housing 2 which includes a housing tank 2a and a housing cover 2b. The drive shaft 4 provided with the drive flange 3 can surround the axis of rotation R by means of bearings 5a, 5b t It is rotatably supported in the housing 2. In the illustrated embodiment, the drive flange 3 is integrally formed on the drive shaft 4.

[0026] A cylindrical drum 7 is arranged in the housing 2 axially adjacent to the drive flange 3, and the cylindrical drum is provided with a plurality of piston grooves 8, and the piston grooves and the cylindrical body rotate Rotation axis R of cylinder 7 z Set in the same center. The piston 10 is longitudinally movably arranged in each piston groove 8.

[0027] The axis of rotation R of the drive shaft 4 t With the axis of rotation R of the cylindrical drum 7 z Intersect at intersection S.

[0028] in figure 1 The ax...

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Abstract

A hydrostatic axial piston machine with a bent-axis construction has a drive shaft with a drive flange rotatable around an axis of rotation. A cylinder drum has an axis of rotation. The cylinder drum has a plurality of piston bores located concentric to the axis of rotation of the cylinder drum and a longitudinally displaceable piston is located in each bore. A driving device drives the cylinder drum. The drive shaft is a hollow shaft. A torque bar runs through the hollow shaft from a drive flange side end of the axial piston machine to a cylinder drum side end of the axial piston machine to transmit torque from the drive flange side end of the axial piston machine to a cylinder drum side end of the axial piston machine.

Description

Technical field [0001] The invention relates to a hydrostatic axial piston machine with a slant shaft structure. The axial piston machine has a drive shaft that can rotate around a rotation axis, the drive shaft is provided with a drive flange, and can rotate around a rotation axis Cylinder drum. The cylindrical drum is provided with a plurality of piston grooves arranged concentrically with respect to the rotation axis of the cylindrical drum, and a piston is arranged longitudinally movably in the piston grooves. A slaving device is provided for slaving the cylindrical drum. Background technique [0002] In the axial piston machine that is not based on the generic inclined axis configuration, the longitudinally movable pistons in the cylindrical drum are respectively supported on the whipping disk by means of sliding seats. Due to the large inertial force of the piston and the sliding seat provided on the piston when the cylinder drum rotates in the operation of the axial pist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B1/24F04B53/00F03C1/24
CPCF04B1/20F03C1/0636F04B1/328
Inventor M·贝格曼
Owner LINDE HYDRAULICS
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