Pneumatic artificial muscles

A pneumatic artificial muscle and stomata technology, applied in the field of pneumatic artificial muscle, can solve the problems of difficult application in industrial environment, difficult standardized production, etc., and achieve the effects of compact structure, low price, and large output force/self-weight ratio

Inactive Publication Date: 2008-11-19
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its advantage is that its structure is simple, because its structure is too simple, it is difficult t...

Method used

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  • Pneumatic artificial muscles
  • Pneumatic artificial muscles
  • Pneumatic artificial muscles

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Embodiment Construction

[0022] Depend on figure 1 Shown, the present invention is mainly made up of outer layer braided mesh sleeve 1, inner layer expansion tube 2, sealing assembly 3 and sealing assembly 4 with ventilation hole, wherein: outer layer braided mesh casing 1 is made of inelastic fiber in the form of cross spiral Winding; the outer braided mesh 1 can expand or contract radially under the action of external force; the outer braided mesh 1 is set outside the inner layer expansion tube 2, the original length of the outer braided mesh is 210mm, and the inner layer expands The original length of the tube 2 is 150mm. When installing, the two ends of the outer braided mesh 1 and the inner expansion tube 2 are aligned, and one end is inserted into the sealing assembly 3, and the other end is inserted into the sealing assembly 4 with air holes. The sealing plug 32 and the air hole The annular protrusions 321, 421 on the sealing plug 42 are pressed on the inner wall taper surfaces 311, 411 of the ...

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Abstract

The invention belongs to the pneumatic technology field, and relates to pneumatic artificial muscle. The artificial muscle consists of an outer mesh grid, an inner expansion tube, a sealing component and a sealing component with air vents. The outer mesh grid is aligned with the inner expansion tube at two ends and sleeved on the inner expansion tube, with the original length thereof a little longer than that of the inner expansion tube; and one end of the outer mesh grid is inserted into the sealing component, and the other end thereof is inserted into the sealing component with air vents. The inner expansion tube of the pneumatic artificial muscle is inflated with air with a certain pressure, so that the inner expansion deforms to cause the outer mesh grid to expand in the radial direction, so as to enable the pneumatic artificial muscle to expand in the radial direction, contract in the axial direction and output certain tensile force. The pneumatic artificial muscle has the characteristics of compact structure, simple manufacture, low price, high flexibility, high ratio of output force to dead weight, effective energy conservation, automatic buffer, pollution resistance, etc., and can be widely applied to the fields of robots, auxiliary medical apparatus and instruments, aviation, defense industry, etc.

Description

technical field [0001] The invention relates to a pneumatic artificial muscle, in particular to a novel pneumatic artificial muscle controlled by compressed air, belonging to the technical field of pneumatics. Background technique [0002] The prosthetic products (bionic arms, bionic legs) currently designed for the disabled are either complex in structure and expensive, or similar in appearance to the human body but simple in function and impractical. One of the main reasons for this phenomenon is that most bionic arms and bionic legs use motors as drivers. The characteristics of heavy weight and relatively low output power of the motor limit its application in prosthetic products. Pneumatic artificial muscle is an actuator with characteristics similar to biological muscles, which helps to promote the development of prosthetic products in the direction of functional humanoid. [0003] With the advent of an aging society, nursing robots are undoubtedly a boon for society. ...

Claims

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Application Information

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IPC IPC(8): B25J13/00B25J9/08B25J15/00B25J18/00A61F2/50A61F2/68
Inventor 彭光正刘昊范伟余麟沙俊伟
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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