CN213709507U - Pile foundation long casing subsection quick-release device - Google Patents
Pile foundation long casing subsection quick-release device Download PDFInfo
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- CN213709507U CN213709507U CN202022417961.6U CN202022417961U CN213709507U CN 213709507 U CN213709507 U CN 213709507U CN 202022417961 U CN202022417961 U CN 202022417961U CN 213709507 U CN213709507 U CN 213709507U
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Abstract
The utility model discloses a pile foundation length protects a merogenesis quick detach device, protect a section of thick bamboo including the top layer steel, trapezoidal draw-in groove, a bottom steel protects a section of thick bamboo, cystosepiment and inboard steel sheet, the top layer steel protects a section of thick bamboo and buries underground in pile foundation top, the welding of bottom has trapezoidal draw-in groove, protect a U-shaped notch of common constitution with the top layer steel, be used for blocking the bottom steel and protect a section of thick bamboo, the annular has been seted up on the trapezoidal draw-in groove, be used for installing top layer steel and protect a section of thick bamboo and a bottom steel and protect a section of thick bamboo, the bottom steel protects a section of thick bamboo and buries underground in pile top laitance and permanent pile foundation scope, adopt the merogenesis to follow up the construction, the inboard welding of the bottom steel of the top section of thick bamboo has inboard steel sheet, inboard steel sheet is buried underground. The utility model discloses can realize that permanent steel protects a section of thick bamboo upper portion and protects a quick dismantlement, recycle, and demolish work simple and convenient, can effectively improve the efficiency of construction, save the time limit for a project, practice thrift steel and cost of labor.
Description
Technical Field
The utility model belongs to the technical field of the bored concrete pile construction, concretely relates to pile foundation length protects a merogenesis quick detach device.
Background
When the bored pile is constructed, for the convenience of positioning of a drilling machine, pile holes are prevented from collapsing, a permanent steel pile casing is often buried in the upper portion of a pile foundation or a full pile casing follow-up construction is adopted, after pile foundation concrete is poured and initially set, before a bearing platform is constructed, a manual cutting mode is generally adopted, a part of the steel pile casing at the head of a vertically-cut pile is firstly cut, the part of the steel pile casing is horizontally and circularly cut, the steel pile casing is cut into two semi-circles and is dismantled, the laitance at the top of the pile foundation is circularly cut after the steel pile casing is dismantled, the cut-off semicircular steel pile casing is difficult to recycle, and material waste is caused. Meanwhile, the steel casing has high strength, the vertical cutting operation is time-consuming and low in construction efficiency, and inconvenience is brought to production. Therefore, to the above problem, a pile foundation long casing subsection quick-release device is provided, which has the characteristics of quick release, repeated use, environmental protection and the like.
Disclosure of Invention
In order to overcome among the prior art steel in the bored concrete pile construction and protect a section of thick bamboo and be difficult to reuse, the low grade technical problem of efficiency of construction, the utility model provides a pile foundation length protects a festival quick detach device can realize permanent steel and protects a quick dismantlement of section of thick bamboo, recycle on an upper portion, has solved above-mentioned technical problem.
The utility model realizes the purpose through the following technical proposal, a subsection quick-release device for a long pile foundation casing, which comprises a top layer steel casing, a trapezoidal clamping groove, a bottom layer steel casing, a foam board and an inner steel sheet, wherein the top layer steel casing is embedded above a pile foundation, the bottom is welded with the trapezoidal clamping groove, the top steel casing and the bottom steel casing form a U-shaped notch together for clamping the bottom steel casing, a ring groove is arranged on the trapezoidal clamping groove for installing the top steel casing and the bottom steel casing, the bottom steel casing is embedded in the range of the pile top laitance and the permanent pile foundation, the upper end of the bottom steel protective cylinder is embedded in the trapezoidal clamping groove, the bottom steel protective cylinder is constructed in a segmented follow-up mode, an inner steel sheet is welded on the inner side of the bottom steel protective cylinder at the uppermost end, the inner steel sheet is embedded in the range of pile top laitance to separate the bottom steel protective cylinder from the pile top laitance, and the foam plate is filled between the inner steel sheet and the bottom steel protective cylinder.
Foretell pile foundation length protects a merogenesis quick detach device, the internal diameter size that a top layer steel protects a section of thick bamboo and a bottom steel and protects a section of thick bamboo is unanimous with the internal diameter size of annular on the trapezoidal draw-in groove, and external diameter size is unanimous with the external diameter size of annular on the trapezoidal draw-in groove.
The contact position of the foam plate, the inner side steel sheet and the bottom layer steel casing is coated with butter.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect:
1. the utility model relates to a pile foundation long pile casing subsection quick detach device, simple structure can realize permanent steel pile casing upper portion pile casing quick detach, repeated cyclic utilization, when resources are saved, can reduce the engineering construction cost;
2. the utility model discloses when concrete construction, a top layer steel protects a section of thick bamboo and a bottom steel protects a section of thick bamboo and demolishs the operation simple, can avoid pile head part steel to protect a vertical cutting construction, and the efficiency of construction is high, but greatly reduced engineering time.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of a segmental fast dismounting device for a long pile foundation casing of the present invention;
FIG. 2 is a schematic cross-sectional view taken along section A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of section B-B of FIG. 1;
in the figure: 1-top steel casing, 2-trapezoidal clamping groove, 3-bottom steel casing, 4-foam plate and 5-inner steel sheet.
Detailed Description
As shown in figure 1, the integral structure schematic diagram of the subsection quick-release device for the long pile foundation pile casing comprises a top steel casing 1, a trapezoidal clamping groove 2, a bottom steel casing 3, a foam plate 4 and an inner steel sheet 5, wherein the top steel casing 1 is buried above a pile foundation, the bottom of the top steel casing 1 is welded with the trapezoidal clamping groove 2 and forms a U-shaped notch together with the top steel casing 1 for clamping the bottom steel casing 3, the trapezoidal clamping groove 2 is provided with a circular groove for installing the top steel casing 1 and the bottom steel casing 3, the bottom steel casing 3 is buried in the range of pile top laitance and permanent pile foundation, the upper end of the bottom steel casing 3 is nested in the trapezoidal clamping groove 2, the bottom steel casing 3 is constructed in a subsection follow-up manner, the inner steel sheet 5 is welded on the inner side of the topmost section of the bottom steel casing 3, the inner steel sheet 5 is buried in the range of pile top laitance, the bottom steel casing 3 is separated from the pile top laitance, the foam plate 4 is filled between the inner steel casing, grease is coated on the contact positions of the foam plate 4, the inner steel sheet 5 and the bottom steel casing 3, and as shown in fig. 2, the cross-sectional schematic view of the bottom steel casing 3 and the inner steel sheet 5 is shown.
As shown in fig. 3, which is a schematic cross-sectional structural diagram of the top steel casing 1 and the trapezoid clamping groove 2, the inner diameter of the top steel casing 1 and the bottom steel casing 3 is the same as the inner diameter of the ring groove on the trapezoid clamping groove 2, and the outer diameter is the same as the outer diameter of the ring groove on the trapezoid clamping groove 3.
The utility model discloses when concrete construction, mainly accomplish the construction of a steel casing and demolish the operation through following construction steps:
the method comprises the following steps: installing an inner steel sheet 5, a topmost section of bottom steel casing 3 and a foam board 4 into a whole set of bottom steel casing device in a processing yard, wherein the inner steel sheet 5 and the bottom steel casing 3 are connected in a welding manner, butter is uniformly coated among the foam board 4, the inner steel sheet 5 and the bottom steel casing 3, the trapezoidal clamping groove 2 and the top steel casing 1 are welded into a whole, and the top steel casing device and the bottom steel casing device are transported to a construction site by using a transport machine;
step two: when a pile driver is used for drilling, a bottom layer steel pile casing 3 and a top layer steel pile casing 1 are arranged in a driving mode by adopting a follow-up construction method, wherein the top end of the bottom layer steel pile casing 3 is higher than the top surface of the laitance, the top end of the bottom layer steel pile casing 3 is wrapped and clamped by a U-shaped notch of the top layer steel pile casing 1 device to form a whole with the bottom layer steel pile casing 3, the top layer steel pile casing 1 does not need to be pulled upwards in the inserting and driving process, and the top layer steel pile casing 1 is ensured to be tightly connected with the bottom layer steel pile casing 3;
step three: after pile foundation concrete is poured, pulling out the top layer channel steel pile casing with the clamp, and moving to other pile foundations for recycling;
step four: before the construction of the bearing platform, the bottom layer steel casing 3 is circularly cut along the horizontal plane where the cutting line is located, then the steel casing above the cutting line is taken out, and the steel casing is moved to other pile foundations for recycling;
step five: sequentially taking out the foam plate 4 and the inner steel sheet 5, and transferring to a processing plant for recycling;
step six: and (5) circularly cutting to remove the floating slurry on the pile top.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (3)
1. A subsection quick-release device for a long pile foundation pile casing is characterized by comprising a top layer steel pile casing (1), a trapezoidal clamping groove (2), a bottom layer steel pile casing (3), a foam board (4) and an inner side steel sheet (5), wherein the top layer steel pile casing (1) is buried above a pile foundation in an underground mode, the bottom of the top layer steel pile casing is welded with the trapezoidal clamping groove (2) to form a U-shaped notch together with the top layer steel pile casing (1) for clamping the bottom layer steel pile casing (3), the trapezoidal clamping groove (2) is provided with an annular groove for installing the top layer steel pile casing (1) and the bottom layer steel pile casing (3), the bottom layer steel pile casing (3) is buried in pile top laitance and a permanent pile foundation range in an underground mode, the upper end of the bottom layer steel pile casing (3) is nested in the trapezoidal clamping groove (2), the bottom layer steel casing (3) is constructed in a subsection follow-up mode, the inner side steel sheet (5) is welded on the inner side of the uppermost bottom layer, and the bottom layer steel pile casing (3) is isolated from the pile top laitance, and the foam plate (4) is filled between the inner side steel sheet (5) and the bottom layer steel pile casing (3).
2. The pile foundation long casing subsection quick-release device according to claim 1, wherein the inner diameter of the top layer steel casing (1) and the bottom layer steel casing (3) is the same as the inner diameter of the ring groove on the trapezoidal clamping groove (2), and the outer diameter is the same as the outer diameter of the ring groove on the trapezoidal clamping groove (2).
3. The device for quickly disassembling the joint of the long pile casing of the pile foundation according to claim 1, wherein the contact positions of the foam plate (4) with the inner steel sheet (5) and the bottom steel casing (3) are coated with butter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417961.6U CN213709507U (en) | 2020-10-27 | 2020-10-27 | Pile foundation long casing subsection quick-release device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417961.6U CN213709507U (en) | 2020-10-27 | 2020-10-27 | Pile foundation long casing subsection quick-release device |
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| CN213709507U true CN213709507U (en) | 2021-07-16 |
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| CN202022417961.6U Active CN213709507U (en) | 2020-10-27 | 2020-10-27 | Pile foundation long casing subsection quick-release device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142458A (en) * | 2022-07-27 | 2022-10-04 | 广州市市政工程设计研究总院有限公司 | Pile foundation capable of controlling horizontal deformation and construction method |
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2020
- 2020-10-27 CN CN202022417961.6U patent/CN213709507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142458A (en) * | 2022-07-27 | 2022-10-04 | 广州市市政工程设计研究总院有限公司 | Pile foundation capable of controlling horizontal deformation and construction method |
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