Modified walking aid shoe for mining
An improved, mining technology, applied in roller skates, skateboards, skating, etc., can solve the problems of easy backing, unstable standing, easy to squat, etc., and achieve the effect of improving and perfecting functions.
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[0012] like figure 1 Shown, a kind of improved mining walker, eliminates the above-mentioned defect with this; move; remove the other pulleys 2 between the front and rear wheels 3 and 4; connect a center shaft 5 in the middle of the U-shaped groove of the chassis frame 1, and the shaft heads of the center shaft 5 and the front and rear pulleys 2 are on the same On the plane; the U-shaped groove of the central axis 5 and the chassis frame 1 is fixedly connected into one; a pin hole is drilled on the shaft head at the two ends of the central axis 5, and the pin hole is a through hole; The lower pulley 2 (if the pulley is not enough, add it separately), the pulley 2 is respectively fixed on the two ends of the central shaft 5, the installed pulley 2 can rotate flexibly on the central shaft 5, and is installed in the pin hole of the central shaft 5 The cotter pin 6, the cotter pin 6 positions the pulley 2 on the central axis 5; the improved pulley 2 is distributed in a diamond s...
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