CN220580077U

CN220580077U - Super large super deep engineering stake upper end mud discharging structure

Info

Publication number: CN220580077U
Application number: CN202322117106.7U
Authority: CN
Inventors: 黄沃; 黎红中; 蔡险峰
Original assignee: Guangzhou Wangtat Project Management & Consultancy Co ltd
Current assignee: Guangzhou Wangtat Project Management & Consultancy Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-03-12
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a mud discharging structure at the upper end of an oversized ultra-deep engineering pile, which comprises a steel pile casing and an operation platform, wherein a dredging hole is formed in the steel pile casing and is communicated with a mud discharging channel, the operation platform is arranged above the steel pile casing, and a high-pressure spray head is arranged on the operation platform and is obliquely downwards arranged towards the inside of the steel pile casing. An operation platform is additionally arranged on the steel pile casing, a high-pressure spray head is fixedly arranged on the operation platform, the high-pressure spray head is connected with a booster pump and can spray a large amount of high-pressure water, a part of high-pressure spray head is preset with a certain angle and is aligned with a catheter position, the outer edge of a flushing catheter is attached to mud, the other part of high-pressure spray head faces into a pile, quantitative water is discharged to carry out deep circulation dilution on mud in the pile, a dredging hole is correspondingly formed in the steel pile casing, and the flushed and diluted mud flows out of the dredging hole. The concrete poured into the pile is prevented from being mixed with the upper slurry agglomeration at the shallow layer part into a whole, so that the quality of the engineering pile is not up to the standard, and the construction acceptance and the actual use are affected.

Description

Super large super deep engineering stake upper end mud discharging structure

Technical Field

The utility model relates to the technical field of a sludge discharge structure at the upper end of an oversized ultra-deep engineering pile, in particular to a sludge discharge structure at the upper end of the oversized ultra-deep engineering pile.

Background

In recent years, due to rapid development of high-rise and heavy-duty buildings, a plurality of countries have developed self-cast-in-place piles into variable-section large-diameter cast-in-place piles combined with engineering examples, selection of pile foundations of the high-rise buildings is discussed from two aspects of technical feasibility and economic feasibility, along with development of economic and scientific technologies, more and more high-rise buildings and super-high-rise buildings appear in cities, the requirements on bearing capacity of foundations are higher and higher, and the pile diameters of traditional cast-in-place piles are continuously increased to meet the requirements on bearing capacity; the bored pile has mature construction process, high bearing capacity and wide application range, and is widely applied to structural engineering foundations of super high-rise roads, railway bridges and the like. The high-grade highway large, medium and small bridges and the interchange bridge basically adopt bored piles. However, because the bored pile is a hidden project, more construction units are concerned about the construction quality of the project. However, practice shows that 5% -20% of cast-in-situ bored piles still have quality problems of different degrees.

The larger the diameter and depth of the engineering pile, the larger the construction difficulty, when the ultra-large diameter and ultra-deep engineering pile is poured to a shallow layer part (about 10 meters away from the pile top), the concrete mortar is mixed with slurry in the pile to form thick cement blocks due to overlong pouring time, and when the guide pipe is pulled up after pouring to relative elevation, part of the blocks are integrated with the guide pipe, and the position of the poured part in the pile is disturbed in the repeated pulling and checking blanking process, so that the pile forming quality of the engineering pile is affected.

Disclosure of Invention

Therefore, in order to solve the problems, the utility model aims to provide a mud discharging structure at the upper end of an ultra-large ultra-deep engineering pile,

including steel pile casing and operation platform, be equipped with on the steel pile casing and dredge the through-hole, dredge through-hole and row mud passageway intercommunication, steel pile casing top is equipped with operation platform, install high-pressure nozzle on the operation platform, high-pressure nozzle slope is downwards and set up in the steel pile casing towards.

Preferably, the number of the high-pressure spray heads is six, and two high-pressure spray heads are arranged on the operation platform at intervals.

Preferably, one set of two high-pressure spray heads in the middle of the three sets of high-pressure spray heads is a flushing spray head, and two sets of four high-pressure spray heads on two sides are dilution spray heads.

Preferably, the inclination angle of the flushing nozzle is 40-45 degrees, and the inclination angle of the dilution nozzle is 45-60 degrees.

Preferably, the mud discharging channel comprises a chute which is obliquely arranged downwards, and an output port of the chute is communicated with a sedimentation tank.

Preferably, the dredging hole is rectangular, the input port of the chute is matched with the dredging hole, a movable steel inserting plate is arranged above the dredging hole, and the steel inserting plate moves downwards to seal the dredging hole.

The beneficial effects of the utility model are as follows:

an operation platform is additionally arranged on the steel pile casing, a high-pressure spray head is fixedly arranged on the operation platform, the high-pressure spray head is connected with a booster pump and can spray a large amount of high-pressure water, a part of high-pressure spray head is preset with a certain angle and is aligned with a catheter position, the outer edge of a flushing catheter is attached to mud, the other part of high-pressure spray head faces into a pile, quantitative water is discharged to carry out deep circulation dilution on mud in the pile, a dredging hole is correspondingly formed in the steel pile casing, and the flushed and diluted mud flows out of the dredging hole. The concrete poured into the pile is prevented from being mixed with the upper slurry agglomeration at the shallow layer part into a whole, so that the quality of the engineering pile is not up to the standard, and the construction acceptance and the actual use are affected.

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 drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of a steel casing;

FIG. 3 is a schematic view of a structure of a via hole

FIG. 4 is a schematic diagram of the structure of an operating platform;

FIG. 5 is a schematic side view of the operator's platform;

reference numerals illustrate: 1. a steel pile casing; 11. an overflow hole; 2. an operating platform; 3. a high pressure nozzle; 31. flushing the spray head; 32. diluting the spray head; 4. a dredging hole; 5. a chute; 6. a sedimentation tank; 7. a steel plugboard; 8. and (5) engineering piles.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples:

fig. 1-5 show a mud discharging structure at the upper end of an ultra-large ultra-deep engineering pile, which is provided by the utility model, and comprises a steel pile casing 1 and an operation platform 2, wherein the steel pile casing 1 is erected at the upper end of an 8 hole of the engineering pile, the operation platform 2 is erected above the 8 hole of the engineering pile, a plurality of high-pressure spray heads 3 are arranged on the operation platform 2, the high-pressure spray heads 3 are all inclined downwards and face the upper end of the 8 hole of the engineering pile, the high-pressure spray heads 3 are communicated with a booster pump, the booster pump conveys water to the high-pressure spray heads 3, the high-pressure spray heads 3 spray water towards the inside of the 8 hole of the engineering pile, the steel pile casing 1 is provided with overflow holes 11, dredging holes 4 are additionally arranged for discharging mud, the dredging holes 4 are communicated with a mud discharging channel, and the mud in the engineering pile 8 is discharged from the dredging holes 4 after being mixed with water.

In this embodiment, the number of the high-pressure spray heads 3 is six, two high-pressure spray heads are arranged on the operation platform 2 at intervals, the high-pressure spray heads 3 in the middle are the flushing spray heads 31 for flushing and scattering the outer edges of the guide pipes and the caking slurry deposited in the holes of the engineering piles 8, and the other two high-pressure spray heads 3 on the two sides are the dilution spray heads 32 for injecting clear water into the holes of the engineering piles 8, diluting the slurry, reducing viscosity and facilitating smooth discharge of the slurry out of the engineering piles 8.

The inclination angle of the shower head 31 is 40 ° to 45 °, in this embodiment 45 °. The angle of inclination of the dilution shower head 32 is 45 ° to 60 °, in this embodiment 60 °

The mud discharging channel comprises a chute 5 which is obliquely downwards arranged, an output port of the chute 5 is communicated with a sedimentation tank 6, mud is discharged from the dredging hole 4 after high-pressure water flushing, flows into the chute 5, and flows into the sedimentation tank 6 along the chute 5.

The dredging holes 4 are rectangular, the rectangular length is larger, more words can be led in, the input port of the chute 5 is rectangular in the same way as the dredging opening, the chute 5 is convenient for circulating slurry, the whole section is also rectangular, a movable steel plugboard 7 is arranged above the dredging holes 4, the steel plugboard 7 can move up and down, and the steel plugboard can move downwards to seal the dredging holes 4.

Working principle:

when the engineering pile 8 is poured to the position 10m away from the shallow part, the high-pressure spray head 3 is started to align to the inside of the hole of the engineering pile 8, part of the high-pressure spray head 3 washes the periphery of the guide pipe, mud agglomerations attached to the outer edge of the guide pipe are scattered and float on the surface to gather and agglomerate to form cake-shaped mud hard blocks, the high-pressure spray head 3 of the other part discharges a large amount of water for diluting mud, the mud is mixed with water in the pile to form mud water with lower viscosity, and the mud water is reserved from the dredging hole 4 and flows into the sedimentation tank 6 along the chute 5.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The utility model provides a super large super deep engineering stake upper end mud discharging structure, its characterized in that, including steel pile casing (1) and operation platform (2), be equipped with on the steel pile casing (1) and dredge hole (4), dredge hole (4) and mud discharging passageway intercommunication, steel pile casing (1) top is equipped with operation platform (2), install high-pressure shower nozzle (3) on operation platform (2), high-pressure shower nozzle (3) slope is decurrent and towards setting up in the steel pile casing (1).

2. The mud discharging structure at the upper end of the ultra-large ultra-deep engineering pile according to claim 1, wherein six high-pressure spray heads (3) are arranged on the operation platform (2) at intervals.

3. The mud discharging structure at the upper end of the ultra-large ultra-deep engineering pile according to claim 2, wherein a group of two high-pressure spray heads (3) centered in the three groups of high-pressure spray heads (3) are flushing spray heads (31), and two groups of four high-pressure spray heads (3) at two sides are dilution spray heads (32).

4. A sludge discharge structure at the upper end of an ultra-large ultra-deep engineering pile according to claim 3, wherein the inclination angle of the flushing nozzle (31) is 40-45 degrees, and the inclination angle of the dilution nozzle (32) is 45-60 degrees.

5. The sludge discharging structure at the upper end of the ultra-large ultra-deep engineering pile according to claim 1, wherein the sludge discharging channel comprises a chute (5) which is obliquely arranged downwards, and an output port of the chute (5) is communicated with a sedimentation tank (6).

6. The mud discharging structure at the upper end of the ultra-large ultra-deep engineering pile according to claim 5, wherein the dredging hole (4) is rectangular, an input port of the chute (5) is matched with the dredging hole, a movable steel inserting plate (7) is arranged above the dredging hole (4), and the steel inserting plate (7) moves downwards to seal the dredging hole (4).