CN218990160U - Static pressure guiding hole integrated tubular pile sinking equipment - Google Patents

Abstract

The utility model discloses static pressure hole guiding integrated pipe pile sinking equipment, which comprises a base, wherein a hole guiding system and a static pressure system are arranged on the base; the hole guiding system comprises a vertical supporting mechanism and a drill rod mechanism arranged on the vertical supporting mechanism, the drill rod mechanism comprises a power head and a spiral drill rod, the power head is arranged on the vertical supporting mechanism and can move up and down along the vertical supporting mechanism, and the spiral drill rod is connected to the lower end of the power head; the static pressure system comprises a crane and pile sinking equipment, wherein the crane is arranged on the base and positioned on the opposite side of the vertical supporting mechanism, the pile sinking equipment is positioned in the center of the base, and the pile sinking equipment is a holding-pressing type static pile pressing machine. According to the utility model, the hole guiding process is completed through the power head and the spiral drill rod connected to the lower end of the power head, the pile sinking process of the hollow precast tubular pile is completed through pile sinking equipment, the integrated cooperation operation of pile extension, hole guiding and pile sinking of the hollow precast tubular pile is realized, the pile sinking quality is effectively ensured, and the construction efficiency is greatly improved.

Description

Static pressure guiding hole integrated tubular pile sinking equipment

Technical Field

The utility model relates to the field of high-speed railway bridge assembly construction, in particular to a static pressure and hole guiding integrated tubular pile sinking device.

Background

In bridge construction engineering, based on the influence of various factors such as geographic conditions, cost control and construction efficiency, more and more bridge structures adopt an assembly type construction mode, and the construction technology gradually develops to industrialization, assembly and standardization. The construction technology of the assembled bridge is rapidly developed, most bridge construction procedures are completed in factories, the influence on the construction site environment can be reduced to the greatest extent, and the construction progress is obviously accelerated.

However, as the number of workers in construction labor is continuously reduced, the shortage problem of high quality construction operators is more and more prominent, and the development of assembly construction is more and more required to be quickened so as to meet the current construction requirements.

And (3) bridge construction is carried out in an assembly mode, each part of the assembly bridge pier is produced in a prefabrication mode, and the assembly is carried out on site in an assembly construction mode. The assembled pier comprises a prefabricated pier cap, prefabricated pier columns, a cast-in-situ bearing platform and prefabricated pipe piles which are assembled and connected from top to bottom. The prefabricated pipe pile has the main functions of increasing the bearing capacity of a foundation and ensuring that a bridge does not generate a main structural object of post-construction settlement, so that the construction quality of the pipe pile is one of important factors for ensuring the safety and stability of the bridge. The problems of thick geological sand layer and difficult pile sinking exist in the aspect of the construction of the precast tubular pile, so that pile sinking equipment of the precast tubular pile needs to be developed to ensure the construction efficiency and the construction quality of the precast tubular pile.

Disclosure of Invention

The utility model provides static pressure hole guiding integrated pipe pile sinking equipment, which solves the problems that in the prior art, under the geological condition of a sand layer thickness, the traditional precast pipe pile sinking is difficult, the pile sinking noise is large and the like.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a static pressure pilot hole integrated pipe pile sinking device comprises a base, wherein a pilot hole system and a static pressure system are arranged on the base; the hole guiding system comprises a vertical supporting mechanism and a drill rod mechanism arranged on the vertical supporting mechanism, the drill rod mechanism comprises a power head and a spiral drill rod, the power head is arranged on the vertical supporting mechanism and can move up and down along the vertical supporting mechanism, and the spiral drill rod is connected to the lower end of the power head;

the static pressure system comprises a crane and pile sinking equipment, wherein the crane is arranged on the base and positioned at the opposite side of the vertical supporting mechanism, the pile sinking equipment is positioned at the center of the base, and the pile sinking equipment is a holding-pressing type static pile pressing machine.

Further, the vertical supporting mechanism comprises a truss and a mast, the truss is connected with the base, the mast is fixed on the inner side of the truss, and a moving track for the power head to move up and down is arranged on the inner side of the mast.

Further, the base includes the base basis and sets up the quadruped frame on the base basis, sets up the cell type track on the base basis, and the mobilizable setting of quadruped frame is in the cell type track.

Further, a perforated seat is arranged at the lower section of the inner side of the mast, and the lower end of the spiral drill rod penetrates through the perforated seat.

Further, the upper end of the mast extends out of the upper end face of the truss.

Furthermore, the lower end of the spiral drill rod is provided with a conical surface drill bit.

Further, the base foundation comprises two counterweight longitudinal beams which are arranged in parallel, the section of each counterweight longitudinal beam is trapezoidal, and a groove type track is formed in the upper end of each counterweight longitudinal beam.

Further, the quadruped frame comprises a frame body and four frame legs arranged at four corners of the lower end of the frame body, a foot plate is arranged at the bottom end of each frame leg, and the foot plate is arranged in a groove-shaped track of the counterweight longitudinal beam.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides static pressure hole guiding integrated pipe pile sinking equipment, which completes the hole guiding process through a power head and a spiral drill rod connected to the lower end of the power head, completes the pile sinking process of a hollow precast pipe pile through the pile sinking equipment, realizes the integrated cooperation operation of pile splicing, hole guiding and pile sinking of the hollow precast pipe pile, effectively ensures the pile sinking quality in the process, greatly improves the construction efficiency, reduces noise pollution, and reduces the emission of pollutants such as sludge.

It is, of course, not necessary for all of the above advantages to be achieved simultaneously in the practice of the various aspects of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other embodiments of the drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a state diagram of a foot plate disposed within a weight stringer;

in the figure, a 1-base, a 2-truss, a 3-mast, a 4-power head, a 5-spiral drill rod, a 6-crane, a 7-pile sinking device and an 8-perforating seat are arranged.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Aiming at the problems in the background technology, the applicant provides a green, efficient and noiseless static pressure hole guiding integrated pipe pile sinking device, and the static pressure pile sinking of the hollow precast pipe pile and the downward hole guiding in the hollow precast pipe pile are sequentially and circularly operated through the cooperative work of a hole guiding system and a static pressure system, so that the pile sinking operation efficiency is greatly improved.

Examples:

referring to fig. 1, a static pressure hole guiding integrated pipe pile sinking device comprises a base 1, wherein the base 1 is a pressure-bearing member of the device and is used for bearing a counterweight and a working load of a system at the upper part of the base 1, the base 1 comprises a base foundation and a four-foot frame arranged on the base foundation, the base foundation comprises two counterweight longitudinal beams which are arranged in parallel, the section of each counterweight longitudinal beam is trapezoidal and has larger weight, and a groove-shaped track is formed at the upper end of each counterweight longitudinal beam; the four-foot rack comprises a rack body and four rack legs arranged at four corners of the lower end of the rack body, foot plates are arranged at the bottom ends of the rack legs, the four-foot rack is arranged in a groove track of the counterweight longitudinal beam through the foot plates, see fig. 3, and fig. 3 is a state diagram of the foot plates arranged in the counterweight longitudinal beam.

Referring to fig. 2, a hole guiding system and a static pressure system are arranged on a frame body of a base 1; the hole guiding system comprises a vertical supporting mechanism and a drill rod mechanism arranged on the vertical supporting mechanism, the vertical supporting mechanism comprises a truss 2 and a mast 3, the truss 2 is fixedly connected with a frame body, the truss 2 is a main stress structure of the hole guiding system, the mast 3 is fixed on the inner side of the truss 2, the upper end of the mast 3 extends out of the upper end face of the truss 2, and a movement track for the power head 4 to move up and down is arranged on the inner side of the mast 3.

The drill rod mechanism comprises a power head 4 and a spiral drill rod 5, wherein the power head 4 is arranged on a moving track on the inner side of the mast 3, the spiral drill rod 5 is connected to the lower end of the power head 4, a conical surface drill bit is arranged at the lower end of the spiral drill rod 5, a perforation seat 8 is arranged at the lower section on the inner side of the mast 3, and the lower end of the spiral drill rod 5 penetrates through the perforation seat 8 to play a role in positioning; the power head 4 can move up and down along a moving track on the inner side of the mast 3 through a track system, the power head 4 can drive the spiral drill rod 5 to rotate, and the power head 4 provides downward drilling rotary power and downward drilling power for the spiral drill rod 5; meanwhile, the power head 4 provides lifting force for the auger stem 5 during soil taking.

The static pressure system comprises a crane 6 and pile sinking equipment 7, wherein the crane 6 is arranged on the frame body of the base 1 and is particularly positioned at the opposite side of the truss 2, the crane 6 is a hoisting member of the hollow precast tubular pile, and the hollow precast tubular pile can be hoisted to the corresponding hole site of the pile sinking equipment 7; the pile sinking equipment 7 is positioned in the center of the base and is a holding-pressing type static pile press, the hollow precast tubular pile is clamped in a hoop mode, downward power is provided after the hollow precast tubular pile is clamped, and the hollow precast tubular pile is enabled to displace downwards to finish pile sinking.

The working procedure of this embodiment is described as follows:

when in field implementation, the hollow precast tubular pile is hoisted to the hole position of pile sinking equipment 7 through a crane 6, the perpendicularity of the hollow precast tubular pile is adjusted, and the pile sinking equipment 7 clamps the hollow precast tubular pile and performs static pressure pile sinking of the first section of hollow precast tubular pile. After the sinking of the first section of hollow precast tubular pile is completed, the second section of hollow precast tubular pile is hung in the field and connected with the first section of hollow precast tubular pile, then a hole is downwards led from the inside of the first section of hollow precast tubular pile and the second section of hollow precast tubular pile through a spiral drill rod 5, and pile sinking equipment 7 continues to downwards sink piles after the hole is led.

The specific operation steps are as follows:

step S1, running the static pressure hole guiding integrated pipe pile sinking equipment to a pile sinking station, and adjusting the alignment hole position through the four-foot frame.

And S2, hoisting the first section of hollow precast tubular pile to a pile sinking device 7 by a crane 6, and adjusting the verticality of the first section of hollow precast tubular pile.

And S3, clamping the first section of hollow precast tubular pile by using annular hoop type equipment in pile sinking equipment 7, and sinking the first section of hollow precast tubular pile downwards, so that the intermittent operation is avoided as much as possible during pile sinking.

And S4, after the sinking of the first section of hollow precast tubular pile is completed, hoisting the second section of hollow precast tubular pile to the pile sinking equipment 7 and connecting the second section of hollow precast tubular pile with the first section of hollow precast tubular pile, wherein the connecting modes are welding pile splicing and slurry anchor pile splicing.

And S5, after pile extension is completed, adjusting the position of the spiral drill rod 5 to enable the spiral drill rod to downwards guide holes from the hole site centers of the first section of hollow precast tubular pile and the second section of hollow precast tubular pile to take out soil.

And S6, taking out the spiral drill rod 5 after the hole guiding is completed, and continuously performing pile sinking operation of the second section of pipe pile by pile sinking equipment 7, so that the intermittent stop is avoided as much as possible during pile sinking.

And S7, repeating pile extension, hole guiding and pile sinking processes until all the pipe piles are sunk.

The foregoing is illustrative of the present utility model, but the present utility model is not limited to the above-mentioned embodiments, and can be applied to similar products, and any person skilled in the art will be able to make variations or modifications within the scope of the present utility model.

Claims (8)

1. The static pressure hole guiding integrated pipe pile sinking equipment is characterized by comprising a base, wherein a hole guiding system and a static pressure system are arranged on the base; the hole guiding system comprises a vertical supporting mechanism and a drill rod mechanism arranged on the vertical supporting mechanism, the drill rod mechanism comprises a power head and a spiral drill rod, the power head is arranged on the vertical supporting mechanism and can move up and down along the vertical supporting mechanism, and the spiral drill rod is connected to the lower end of the power head;

the static pressure system comprises a crane and pile sinking equipment, wherein the crane is arranged on the base and positioned at the opposite side of the vertical supporting mechanism, the pile sinking equipment is positioned at the center of the base, and the pile sinking equipment is a holding-pressing type static pile pressing machine.

2. The static pressure guiding hole integrated pipe pile sinking equipment according to claim 1, wherein the vertical supporting mechanism comprises a truss and a mast, the truss is connected with the base, the mast is fixed on the inner side of the truss, and a moving track for the power head to move up and down is arranged on the inner side of the mast.

3. The static pressure guiding hole integrated pipe pile sinking equipment according to claim 2, wherein the base comprises a base foundation and a four-foot frame arranged on the base foundation, the base foundation is provided with a groove-shaped track, and the four-foot frame is movably arranged in the groove-shaped track.

4. A static pressure pilot hole integrated pipe pile sinking device according to claim 3, wherein a perforated seat is provided at the inner lower section of the mast, and the lower end of the auger stem passes through the perforated seat.

5. The static pressure pilot hole integrated pipe pile driving apparatus according to claim 4, wherein the upper end of the mast extends out of the upper end face of the truss.

6. The static pressure guiding hole integrated pipe pile sinking equipment according to claim 5, wherein a conical surface drill bit is arranged at the lower end of the spiral drill rod.

7. The static pressure hole guiding integrated pipe pile sinking equipment according to claim 6, wherein the base foundation comprises two counterweight longitudinal beams which are arranged in parallel, the section of each counterweight longitudinal beam is trapezoid, and a groove type track is formed at the upper end of each counterweight longitudinal beam.

8. The static pressure hole guiding integrated pipe pile sinking equipment according to claim 7, wherein the four-foot rack comprises a rack body and four rack legs arranged at four corners of the lower end of the rack body, foot plates are arranged at the bottom ends of the rack legs, and the foot plates are arranged in groove-shaped tracks of the counterweight longitudinal beams.

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