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Hydrostatic piston machine and thrust ring for a brake device thereof

A technology for a piston mechanism and a braking device, which is applied to reciprocating piston engines, brake actuators, gear shifting mechanisms, etc., can solve problems such as undesired braking effects, and achieve the effects of simplifying manufacturing and reducing manufacturing costs.

Inactive Publication Date: 2013-01-16
HYDROMATIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This fluid tightness is required to prevent a pressure drop on the pressure face, which would lead to an undesired braking effect

Method used

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  • Hydrostatic piston machine and thrust ring for a brake device thereof
  • Hydrostatic piston machine and thrust ring for a brake device thereof
  • Hydrostatic piston machine and thrust ring for a brake device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Before discussing in detail the design configuration of the thrust ring according to the present invention, the hydrostatic piston mechanism according to the present invention will first be explained with respect to its important components. Figure 1 shows a hydrostatic piston mechanism 1 according to the invention. The hydrostatic piston mechanism 1 comprises a drum 3 which is rotatably mounted. The housing 2 is sealed off by a connecting plate 4 , wherein the connection for connecting the hydrostatic piston mechanism 1 to the hydraulic circuit is formed in the usual manner.

[0023] The first bearing 5 and the second bearing 6 in which the drive shaft 7 is installed are provided in the housing 2 and the connecting plate 4 . The drum 3 is non-rotatably connected to a drive shaft 7 . When the hydrostatic piston mechanism 1 is used as a pump, a plurality of cylindrical holes 9 are formed in the drum 3 in order to generate displacement. The cylindrical hole 9 extends i...

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PUM

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Abstract

The invention relates to a hydrostatic piston machine having a housing (2), a cylinder drum (3) which is mounted rotatably in the latter, a multiple disc brake (16) and a thrust ring (21) for this purpose. The cylinder drum (3) can be braked in the housing (2) by the multiple disc brake (16), the multiple disc brake (16) comprising at least one first brake disc (19) which is connected fixedly in terms of rotation to the cylinder drum (3) and at least one second brake disc (20) which is connected fixedly in terms of rotation to the housing (2). The brake discs (19, 20) can be pressed onto one another by the thrust ring (21), the thrust ring (21) being a plastic ring and having at least one region (35, 36) which is elastic in the radial direction and on which a sealing element is provided.

Description

technical field [0001] The invention relates to a thrust ring for a brake device of a hydrostatic piston mechanism, and to a hydrostatic piston mechanism. Background technique [0002] In hydrostatic mechanisms having a cylinder drum rotatably arranged in a housing, it is known to be able to brake the cylinder relative to the housing. For this purpose, a braking device in the form of a multi-disk brake is arranged between the drum and the housing. Multiple disc brakes are in most cases configured such that the brake discs are pressed against each other by means of compression springs. Therefore, for safety reasons, the drum may only rotate when the compressive force on the brake disc is reduced due to the pressure build-up. To transmit the compressive force, thrust rings are provided which are spring-loaded and can be brought into close contact by hydraulic forces in the opposite direction. [0003] Such a thrust ring and such a hydrostatic piston mechanism are known from...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03C1/06F16D65/14F16D65/22F16D65/28
CPCF03C1/0644F16D2125/06F05C2225/00F16D2121/12F03C1/0678F03C1/06F16D65/14
Inventor 莱纳·施托尔茨
Owner HYDROMATIK GMBH