Ground hole digging device for large power cement pole
A cement rod and electric power technology, which is applied to supporting devices, drilling equipment and methods, construction, etc., can solve problems such as low efficiency, poor digging quality, and poor integrity of the inner surface of the hole, so as to achieve the adjustment effect, improve the Working range, effect of preventing permanent phenomenon
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[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0021] See figure 1 , An embodiment provided by the present invention includes an outer ring block 1, a plurality of bolt-mounted telescopic limit connection mechanisms 9 are installed at the bottom of the outer ring block 1, and each of the bolts is equipped with a telescopic limit connection mechanism 9 A main fixed base plate 10 is installed at the bottom of the outer ring block 1, an annular groove structure 2 is provided on the inner...
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