Bionic micro pore diameter drilling and counterboring type underground tunneling device supporting and propulsion mechanism
A propulsion mechanism and drilling expansion technology are applied in the field of bionic micro-aperture drilling-expansion underground excavation device supporting propulsion mechanism, which can solve the problems of limited movement distance, complex structure of the propulsion mechanism, inability to realize non-excavation of small apertures, etc., and achieve stable action. Reliable, efficient propulsion, scientific and reasonable structural design
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[0029] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.
[0030] A bionic micro-aperture drilling expansion type underground excavation device supporting propulsion mechanism, such as figure 1 As shown, the support propulsion mechanism includes a tail casing 13, a DC gear motor 14, symmetrical support claws and a support claw drive unit. A DC deceleration motor is installed in the tail casing, and the DC deceleration motor drives the expansion and propulsion of the two support claws through the support claw drive unit. The supporting claw driving unit is installed in the tail supporting frame 15 .
[0031] Such as figure 2 , 4 , 5, the supporting claw drive unit includes a crown gear 21, a first spur gear 22, a second spur gear 37, a first double crank cam mechanism 35, and a second double cran...
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