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Pneumatic power flexible bending joint based on arcuated pneumatic linear actuator

A technology of bending joints and pneumatic cylinders, applied in the field of bending joints, can solve problems such as unreasonable structure, poor flexibility, and difficulty in miniaturization, and achieve the effect of small size, flexible movement, and easy miniaturization

Inactive Publication Date: 2008-03-12
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the disadvantages of unreasonable structure, difficulty in miniaturization and poor flexibility of existing robot bending joints, the present invention provides a pneumatic flexible bending system based on arc-shaped pneumatic cylinders with simple and reasonable structure, easy miniaturization and good flexibility. joint

Method used

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  • Pneumatic power flexible bending joint based on arcuated pneumatic linear actuator
  • Pneumatic power flexible bending joint based on arcuated pneumatic linear actuator

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Referring to Figures 1 to 3, a pneumatic flexible bending joint based on an arc-shaped pneumatic cylinder consists of a front fixing part 1, a first cover 2, an arc-shaped pneumatic flexible cylinder 3, a front restraint arc 6, and a rear restraint arc 7 , the second cover 8, the rear fixing part 9 and the hinge 10, the left and right ends of the arc-shaped pneumatic flexible cylinder 3 are respectively sealed and connected with the first cover 2 and the second cover 8, and the arc-shaped pneumatic flexible cylinder is due to its Intrinsic arc, so that it can be guaranteed to extend or shrink along the arc during rotation; the second cover 8 has a through hole to communicate with the outside atmosphere, one end of the first cover 2 is closed, and the first cover is connected to the front The fixing part 1 is fixedly connected, the front fixing part is fixedly co...

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Abstract

A pneumatic flexible bending joint, which is based on an arc pneumatic cylinder, includes an arc- pneumatic flexible cylinder, a front mounting and a rear mounting. The arc flexible pneumatic cylinder comprises an arc rubber tube and a spring steel wire which spirally and densely winds on the inner wall of the rubber tube along the radial direction of the rubber tube. The density of the spring turn on the outside of the arc rubber tube is smaller than the density of the spring turn inside. The front and rear mountings are rotationally connected. The arc cylinder is installed between the front and the rear mountings. Two ends of the pneumatic flexible cylinder are equipped with a first sealing cover and a second sealing cover separately. The first sealing cover is fixedly connected with the front mounting and the second sealing cover, which is provided with a through-hole to communicate the external air, is fixedly connected with the rear mounting. The pneumatic flexible bending joint provided by the present invention has a simple and reasonable structure, an easy miniaturization and a good flexibility.

Description

(1) Technical field [0001] The invention is a bending joint, which belongs to the pneumatic flexible bending joint, and is suitable for designing and manufacturing flexible manipulators and other occasions. (2) Background technology [0002] In today's world, most of the driving parts of motor-driven robots and hydraulic-driven robots are reciprocating or rotating. When they are used to make the joints of robots, it is usually necessary to have a set of mechanical devices to convert reciprocating or rotating motion into other motion modes required. Robot joints designed in this way may have the advantages of high precision and high output power; but these designs are often bulky, complex and expensive, and their flexibility is far behind that of human joints. [0003] The application prospects of dexterous robots have been generally recognized by people, and because of the above shortcomings of contemporary robot drive components, the research on dexterous robot drive compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J17/00
Inventor 张立彬李尚会鲍官军杨庆华慎石磊吴佳艺周小燕
Owner ZHEJIANG UNIV OF TECH
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