Integrated machine capable of drilling holes, rotating and expanding disk and cleaning holes

Abstract

The invention discloses an integrated machine capable of drilling holes, rotating and expanding a disk and cleaning the holes, which comprises an inner pipe, a middle pipe and an outer pipe, wherein a drill bit is mounted at the lower end of the middle pipe; a pair of inner pipe fixing pin slotted holes and a pair of outer pipe fixing pin revolving slotted holes are corresponding formed on the front side wall and the rear side wall of the inner pipe; a pair of strip-shaped rotating and expanding stroke slotted holes are correspondingly formed at the front part and the rear part on the side wall of the middle pipe, and a rotating and expanding function conversion slotted hole is formed on the right side or the left side at the upper end of each rotating and expanding stroke slotted hole; apair of outer pipe fixing pin slotted holes are corresponding formed at the front part and the rear part on the side wall of the middle part of the outer pipe; an inner pipe fixing pin is mounted between the inner pipe and the middle pipe; outer pipe fixing pins are mounted between the inner pipe, the middle pipe and the outer pipe; an upper rotating and expanding arm seat is mounted on the outerwall of the outer pipe, an upper rotating and expanding arm is mounted on the upper rotating and expanding arm seat; a lower rotating and expanding arm seat is mounted on the outer wall of the lower part of the middle pipe, which is positioned outside the outer pipe, a lower rotating and expanding arm is mounted on the lower rotating and expanding arm seat, and the lower rotating and expanding arm is hinged with the upper rotating and expanding arm; and an inner cavity is formed in a drill bit rod of the drill bit, and the inner cavity of the drill bit rod is communicated with the inner cavity of the inner pipe.

Description

technical field [0001] The invention relates to a construction equipment for bored pile foundations, in particular to an integrated machine for drilling, rotary expansion and hole cleaning. Background technique [0002] At present, cast-in-situ piles with extruded and expanded branch plates are mostly used, and a variety of mechanical equipment and construction methods have been developed and applied, but they all have disadvantages such as complex procedures, the need for various mechanical interweaving and cooperation, and low construction efficiency to varying degrees. For example, the Chinese patent with the patent number ZL 98102841.1 discloses a fully intelligent multifunctional hydraulic extrusion device, which is composed of a hydraulic cylinder, an extrusion mechanism, a piston, etc. type. However, the device has multiple extrusions and expansions, and the forming is incomplete. Due to the rebound of the soil, the diameter of the disk needs to be calculated and co...

AI Technical Summary

Problems solved by technology

However, the construction method of this rotary excavation extrusion drilling rig has no economic benefits at all according to the current pile foundation construction quota standard; since the power head is arranged on the fuselage of this rotary excavation extrusion expansion drilling rig, the rotary torque must be transmitted through the drill pipe, so that the mechanical The structure is complicated, the cost is high, and because the hydraulic oil pipe setting problem of the rotary expansion part has not been solved and the rotary expansion mechanism cannot withstand the rotary torque required for the rotary excavation of the rotary bucket, it is difficult to put this machine into normal engineering construction

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