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Fluid-actuated rotary drive device

A rotary drive device, fluid technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of expensive structure, complicated rotary drive device, etc.

Inactive Publication Date: 2012-09-19
FESTO AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this results in a relatively complex and expensive construction of the rotary drive

Method used

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  • Fluid-actuated rotary drive device
  • Fluid-actuated rotary drive device
  • Fluid-actuated rotary drive device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] The following embodiments relate (so long as no other indication is made in individual cases) to all the exemplary embodiments depicted in the figures.

[0048] The drive device generally identified with reference numeral 1 is designed for actuation by means of fluid forces and can be driven by means of a fluid, preferably gaseous, pressure medium. Preferably compressed air is provided as the driving medium.

[0049] The rotary drive 1 has a stator body 2 , which is expediently equipped with at least one fastening interface 3 , by means of which the stator body 2 can be fastened to any supporting structure not further depicted. Such a carrier structure can be, for example, a movable arm of a handling robot.

[0050] Furthermore, the rotary drive 1 has an output body 5 , which is rotatable relative to the stator body 2 about the rotary axis of rotation 4 . The rotational movement of the driven body 5 , which is indicated by a double arrow in the figure, is referred to ...

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PUM

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Abstract

The invention refers to a fluid-actuated rotary drive device that has two corrugated membrane boxes (25,26) bending in a curve and static end cutting sections (32) and movable end cutting sections (33) relative to the static end cutting sections (32). The two movable end cutting sections (33) are connected through intermediate connection of hinge units (51, 52) through a connecting sheet (48); i.e. the two movable end cutting sections (33) are hinged at a movable arm (15) and torsionally connected to a rotatable driven body (51). The two corrugated membrane boxes (25,26) can be selectively activated to cause the movable arm (15) to do swing motion (17) and further to cause the rotatable driven body (51) to do rotary motion.

Description

technical field [0001] The invention relates to a fluid-actuated rotary drive with a stator body and a driven body rotatable relative to the stator body about an axis of rotation, and with a rotationally fixed connected driven body and rotatable around the driven body Axially oscillating drive arm with two corrugated bellows with arc-shaped longitudinal extensions arranged side by side with concave longitudinal sides facing each other, wherein they each have a fixed position on the stator body The stationary end section of the and relative thereto the displaceable end section kinematically coupled with a drive arm at a distance from the axis of rotation, wherein the two bellows bellows are at least partially acted upon by a controlled internal fluid The length is variable in order to apply an oscillating force to the drive arm by means of its movable end section. Background technique [0002] A rotary drive of this type known from document DE 10149395 A1 comprises two circu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/10
CPCF15B15/125F15B15/10F15B15/02F15B15/103
Inventor R·卡明斯基E·M·克努本
Owner FESTO AG & CO KG