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Pulley device, turning machine fitted with such a device and method of mounting such a device on a turning machine

A technology of rotary machinery and pulleys, applied in the direction of couplings with safety disconnection joints, hoisting devices, mechanical equipment, etc., can solve problems such as danger, achieve simplified component management, optimize compact structure, and reduce assembly costs Effect

Inactive Publication Date: 2014-06-04
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact in this case the pulley is detached from the drive shaft and can be detached from the housing, which is dangerous in the vicinity of a running motor

Method used

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  • Pulley device, turning machine fitted with such a device and method of mounting such a device on a turning machine
  • Pulley device, turning machine fitted with such a device and method of mounting such a device on a turning machine
  • Pulley device, turning machine fitted with such a device and method of mounting such a device on a turning machine

Examples

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Embodiment Construction

[0052] according to figure 1 and 2 , the pulley device 1 is mounted on a compressor comprising a non-rotating housing 2 and a drive shaft 3 having a rotational axis X3. The transmission shaft 3 includes a threaded portion 3 a that cooperates with a nut 4 . The housing 2 includes a hollow shaft 2 a coaxial with the transmission shaft 3 .

[0053] Then, in order to facilitate the spatial reference of the pulley device, an inner side Ci is defined corresponding to the main axis X3, and an outer side Ce opposite to the axis X3 passing through the pulley device 1 .

[0054] In addition, the adjectives “axial” and “radial” and the adverb “axially” are defined with respect to the central axis X3 of the pulley 1 . Thus, the axial segment or portion is parallel to the axis X3, while the radial segment or portion is perpendicular to and surrounds this axis. A surface is said to be axial when it extends parallel to the axis X3 and radial when it extends perpendicular to the axis. Fo...

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PUM

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Abstract

The invention concerns a pulley device (1) including a pulley (5), a torque transmission means (6) intended to be mounted between the pulley (5) and a transmission shaft (3) of a turning machine, and torque limitation means (16) intended to be mounted between the pulley (5) and the transmission shaft (3). The pulley device also includes at least one bearing (7) intended to be mounted on a non-rotating housing (2) of the turning machine and provided with an inner race (8) with a bore (8b), through which the inner race (8) is intended to be mounted on the housing (2), an outer race (9) and at least one row of rolling elements (10). According to the invention, the pulley device (1) provides axial retention means (17) arranged exclusively radially between the bore (8b) of the inner race (8) and the housing (2).

Description

technical field [0001] The invention relates to the field of devices for transmitting torque between a drive pulley arrangement and a shaft driven by the pulley. Torque transmissions of this type are used in particular in air-conditioning compressors, for example installed in motor vehicles. Background technique [0002] Typically, a drive pulley assembly includes a pulley connected to a drive belt, at least one bearing between the pulley and the non-rotating housing of the rotary machine, and a bearing for transmitting torque between the pulley and the rotating shaft of the rotary machine. part. [0003] In order to compensate for the adverse effects of acyclic (acyclism) or sudden deceleration of the motor, which are transmitted to the pulley through the drive belt, the prior art is known, for example, through JP-B-4015072, in the pulley and shaft A torque limiting component is added between them. [0004] Damping elements may also be provided between the pulley and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/36F16H55/30F16H55/14F16H57/028F16H7/20F16D9/06F16F15/12
CPCF16H35/10F16H2055/366F02B67/06F16H55/36F16C19/06F16C35/063F16C2361/63Y10T29/49455
Inventor N·伯鲁特C·查姆邦尼奥S·维奥尔特
Owner AB SKF