Wet-absorbing type vacuum assisted sucking disc
A vacuum-assisted, wet-absorbing technology, applied in the field of bionics, can solve the problems of loss of adsorption force, difficult to quickly peel off the wall surface of viscous adsorption robots, and inability to crawl, etc., to achieve the effect of convenient processing and assembly, simplified structure, and guaranteed reliability.
Inactive Publication Date: 2010-07-14
TONGJI UNIV
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Problems solved by technology
The wall-climbing robots with the above mechanisms have their own advantages and disadvantages: vacuum adsorption and viscous adsorption robots have large and relatively stable adsorption forces, but vacuum adsorption robots cannot adsorb to vertical walls in a vacuum environment, and viscous adsorption robots are difficult to quickly peel off the wall, and in After crawling for a long time, it will lose its adsorption force; mechanical interlocking adsorption robots can cope with rough walls, but cannot crawl on smooth walls; magnetic adsorption robots are relatively less dependent on the surface roughness of the adsorbed metal, but most of them can only crawl on specific surfaces. metal surface
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[0026] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0027] Such as figure 1 , figure 2 As shown, the wet-suction vacuum-assisted suction cup of the present invention includes a base 1, a foot pad fixing outer ring 2, a foot pad 3, a foot pad fixing inner ring 4, pipe joints, a vacuum pump, and a pressure pump. The outer ring 2 and the inner ring 4 are fixed by the foot pads, and the foot pads 3 are fixed on the base 1; the vacuum pump and the pressure pump are respectively connected through pipe joints.
[0028] Such as image 3 As shown, the base 1 mainly includes: a first through hole 5 for vacuuming, a second through hole 6 for liquid introduction, a first threaded hole 8 for connecting the foot pad to fix the outer ring 2, and a first threaded hole 8 for connecting The foot pad fixes the second threaded hole 9 of the inner ring 4 . The first through hole 5 is located in the center of th...
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The invention belongs to the field of bionics, and in particular relates to a wet-absorbing type vacuum assisted sucking disc, which comprises a substrate, a foot pad fixing outer ring, a foot pad fixing inner ring, the foot pad, a pipe joint, a vacuum pump and a pressure pump. The foot pad is fixed on the substrate through the foot pad fixing inner ring of the and the foot pad fixing outer ring respectively; the vacuum pump is connected to the substrate through the pipe joint; air at the hollow position of the middle part of the foot pad is pumped out, so that the negative pressure is formed to generate vacuum adsorbability; and the pressure pump is connected to the substrate through the pipe joint, and pumps liquid into a liquid storage tank of the foot pad, so that a layer of liquid film is formed on a contact surface through micropores to generate wet adsorbability. The wet-absorbing type vacuum assisted sucking disc has a simple structure, is convenient to machine and assemble, integrates wet-absorbing absorption and vacuum absorption, ensures the reliability of the adsorption, has a structure with controlled adsorbability and enhanced adsorbability, and is favorable for the movement of wall climbing robots.
Description
technical field [0001] The invention belongs to the field of bionics, and relates to a climbing mechanism of a bionic wet-suction wall-climbing robot, in particular to a wet-suction vacuum auxiliary suction cup. Background technique [0002] The wall-climbing robot is a special mobile robot and has broad application prospects. According to the adsorption mechanism, wall-climbing robots can be roughly divided into four categories: (1) vacuum (negative pressure) adsorption; (2) electromagnetic adsorption; (3) viscous adsorption; (4) mechanical interlocking adsorption. The wall-climbing robots with the above mechanisms have their own advantages and disadvantages: vacuum adsorption and viscous adsorption robots have large and relatively stable adsorption forces, but vacuum adsorption robots cannot adsorb to vertical walls in a vacuum environment, and viscous adsorption robots are difficult to quickly peel off the wall, and in After crawling for a long time, it will lose its ads...
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Inventor 何斌黎明和周艳敏陆汉雄
Owner TONGJI UNIV