Scissor type radial dilating device for intestinal tract miniature robot
A technology of micro-robots and expansion devices, applied in the field of medical robots, can solve problems such as difficult shrinkage, difficult assembly, complex tooth chain structure, etc., and achieve the effects of increasing stability, reducing excessively long gear transmission chains, and reducing gear assembly difficulties
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[0018] like figure 1 As shown, this embodiment includes: a scissors type radial expansion mechanism 1, a coaxial reverse rotation drive mechanism 2 and a drive deceleration device 3, wherein: the drive deceleration device 3 transmits power to the The scissor-type radial expansion mechanism 1 drives the scissor-type radial expansion mechanism 1 to expand and contract.
[0019] like figure 2 As shown, the scissor-type radial expansion mechanism 1 includes: scissor-type telescopic mechanism 4, 5 and 6, three-jaw butterfly disc group 7, axial top floor baffle plate 8, central support column 9 and axial The bottom baffle 10, wherein: the three-claw butterfly disc group 7 is rotated and arranged between the axial top baffle 8 and the axial bottom baffle 10 through the central support column 9, and the scissor type telescopic mechanisms 4, 5 and 6 are all Distributed on the outer periphery of the axial top baffle plate 8 and the axial bottom baffle plate 10 , the two input ends of...
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