Hydraulic system of rotary excavating squeezing and expanding drilling machine for forming branch pile hole
A technology of hydraulic system and supporting disk pile, which is applied in the direction of drilling automatic control system, clockwork mechanism, mechanical equipment, etc., can solve the problem of low control accuracy of rotary expansion oil cylinder, and achieve the effect of high-precision control
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[0030] Next, the technical solutions in the embodiments of the present invention will be described in conjunction with the drawings in the embodiment of the present invention, and it is clearly, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art will belong to the scope of the present invention in the scope of the present invention without making creative labor premises.
[0031] The present invention is achieved by the following technical solution: a rotary excavation of the pile-shaped pile-forming rig hydraulic system including the upper car hydraulic system and the lower car hydraulic system, wherein the lower car hydraulic system includes walking hydraulic system. And the crawler exhibition is looped, while the upper car hydraulic system contains a rotation, main volume, auxiliary volume, power head, squeezing,...
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