A portable variable-diameter surround digging machine
A portable, pit-digger technology, applied in planting methods, excavation/covering of trenches, agriculture, etc., can solve problems such as difficulty in adapting to the application scenarios of tree pits, the inability of the card cutter machine to stop hurting people, and the time-consuming and labor-intensive replacement of the auger. , to avoid the loss of control of the machine, strong safety, and fast excavation and covering.
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[0024] 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:
[0025] A portable variable-diameter surround digging machine, including a support frame 1, the two ends of the support frame 1 are respectively connected with working handles 2, and the middle part of the support frame 1 is equipped with a speed-changing and diameter-changing mechanism 3. Both sides of the bottom of the variable-diameter mechanism 3 are respectively connected with a power distribution mechanism 4 and a direction-changing conveying mechanism 5. The variable-speed and variable-diameter mechanism 3 is connected with a variable-diameter gear rod 6, and the four corners of the support frame 1 are respectively movably connected with The fixed pin 7 of the support frame; wherein:
[0026] The variable speed and variable diameter mechanism 3 includes a main frame 31, an...
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