A digging method of a portable variable-diameter surround digging machine
A portable, pit-digger technology, applied in planting methods, excavation/covering of trenches, agriculture, etc., can solve the problems of exposed and excavated tree pits that are not standardized, and low pit-digging efficiency, so as to improve planting quality and reduce Operation cost, effect of preventing earthwork from being scattered everywhere
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[0020] In order to make those skilled in the art better understand the technical scheme of the present invention, the present invention will be further described below in conjunction with embodiment:
[0021] A portable variable-diameter surrounding digging method for a digging machine, including a support frame 1, the two ends of the support frame 1 are respectively connected to working handles 2, and the middle part of the support frame 1 is equipped with a speed-changing and diameter-changing mechanism 3 The two sides of the bottom of the speed-changing and diameter-changing mechanism 3 are respectively connected with a power distribution mechanism 4 and a direction-changing conveying mechanism 5, and the speed-changing and diameter-changing mechanism 3 is connected with a diameter-changing gear rod 6, and the four corners of the support frame 1 are respectively movable. It is connected with a fixed pin 7 perpendicular to the support frame. The speed change mechanism 3 inclu...
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