Shiftable hydrostatic compact drive unit

A driving device and vehicle driving device technology, which is applied in the directions of transmission, gear transmission, transmission control, etc., can solve the problem that the working capacity of the multi-disc clutch cannot be fully utilized, and is conducive to maintenance, saving installation space, and facilitating The effect of assembly or disassembly

Active Publication Date: 2007-06-06
罗曼&斯托尔特福特有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Only limited forces can be transmitted in a compact installation space based on the predetermined bearin

Method used

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  • Shiftable hydrostatic compact drive unit

Examples

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Embodiment Construction

[0018] The shiftable hydraulic compact drive is surrounded by a housing 1 . The housing 1 accommodates a planetary gear stage 2 , a first multi-plate clutch 3 which can be engaged or disengaged, and a second multi-plate clutch 4 which can be engaged or disengaged. A hub shell 1 a is mounted on the shell 1 via a tapered roller bearing 6 . The hub shell 1a serves as the power output side for carrying automobile wheels. The first multiplate clutch 3 which can be engaged and disengaged connects the ring gear 11 of the planetary gear stage 2 to the housing 1 in a rotationally fixed manner. The sun gear 8 of the planetary stage 2 is non-rotatably connected to the ring gear 11 of the second planetary stage 2 via the second multidisk clutch 4 which can be engaged and disengaged. The sun gear 8 of the planetary stage 2 is driven by a hydraulic motor 7 . Instead, a planet carrier 18 of planetary stage 2 serves as an output and for this purpose it is connected to a downstream sun gear...

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Abstract

The invention relates to a shiftable hydrostatic compact drive unit, in particular for drive and winch systems, said compact drive unit comprising at least one planetary stage (2) where a first shiftable multiple-plate clutch connects a ring gear (11) to a case (1) in a rotationally fixed manner and where a second shiftable multiple-plate clutch (4) connects the sun wheel of the planetary stage (2) to the ring gear (11) in a rotationally fixed manner. The sun wheel (8) of the planetary stage (2) is driven by a hydraulic motor (7) and a planetary rod (18) of the planetary stage (2) serves as output element. The invention is characterized in that a plate carrier (12) houses the inner plates of the first multiple-plate clutch (3), the outer plates of the second multiple-plate clutch (4) and a spring accumulator (20) for closing the second multiple-plate clutch. The axial force exerted by the spring accumulator (20) is supported, on one side, on said plate carrier (12), when the second multiple-plate clutch is closed, and is supported, on the other side, on an intermediate ring (15) in an axially mobile manner. The set of plates (16) is supported on the plate carrier (12) so as to prevent friction and associated heat build-up at the contact point (21) in the intermediate ring (15).

Description

technical field [0001] The invention relates to a shiftable hydraulic compact drive, especially for vehicle drives and winch drives, comprising at least one planetary stage in which a first switchable A multi-disk clutch connects a ring gear to a housing in a rotationally fixed manner, a second multi-disc clutch which can be engaged and disengaged rotationally connects the planetary stage sun gear to said ring gear, wherein , the sun gear of the planetary stage is driven by a hydraulic motor, and a planet spider of the planetary stage is provided as the drive output. Background technique [0002] Preferred areas of application for such a compact drive are hydraulically driven vehicles or winches. At least one planetary gear stage for reducing the drive speed is used in such a compact drive. The planetary gear stage can be assembled in the compact drive in a particularly space-saving manner. In addition, shifting is usually ensured by two multi-disk clutches, wherein the f...

Claims

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Application Information

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IPC IPC(8): F16H3/54F16H63/30
CPCF16H63/3026F16H1/46F16H3/54F16H2063/3036F16H63/30
Inventor 安德烈亚斯·迈泽霍斯特·达姆
Owner 罗曼&斯托尔特福特有限责任公司
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