CN215367275U - Expand and lead hole and implant compound cross-section hollow pile construction positioner - Google Patents
Expand and lead hole and implant compound cross-section hollow pile construction positioner Download PDFInfo
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- CN215367275U CN215367275U CN202120529711.3U CN202120529711U CN215367275U CN 215367275 U CN215367275 U CN 215367275U CN 202120529711 U CN202120529711 U CN 202120529711U CN 215367275 U CN215367275 U CN 215367275U
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Abstract
The utility model provides a construction positioning device for a composite-section hollow pile implanted with an expanded lead hole, which comprises an upper positioning hole, a middle limiting steel ring and a bottom positioning pile shoe, wherein the upper positioning hole and the middle limiting steel ring are welded into a unified whole through supporting and connecting steel bars; the middle limiting steel ring is a circular pipe opening, the bottom positioning pile shoe is in a customized cone shape, the limiting pulleys are uniformly arranged on the outer wall of the cylinder, and the upper positioning hole, the middle limiting steel ring and the bottom positioning pile shoe work in cooperation to ensure the pile position accuracy of the tubular pile. The utility model can realize accurate positioning of the precast tubular pile, reduce pile sinking resistance, ensure that the verticality meets the requirements, simultaneously enable the positioning construction of the tubular pile to be more convenient and efficient, simplify and easily manufacture the device, and save labor and time.
Description
Technical Field
The utility model relates to the technical field of pile foundation construction, in particular to a construction positioning device for implanting a composite-section hollow pile into an expanded lead hole.
Background
At the end of the 90 s in the 20 th century, prestressed pipe piles are widely applied to the field of foundation engineering such as foundation treatment, pile foundation construction and the like due to economic applicability; the pile implanting method is characterized in that pile sinking resistance of the pile tip of the tubular pile is reduced by a pre-hole forming mode; the pipe pile is matched with an implantation method for construction, so that the problems of difficult pile sinking caused by a direct hammering method or a static pressure method adopted by the rock-socketed pipe pile can be solved, the damage of the pile tip and the pile body accompanied by forced penetration and the adverse environmental rock-soil effect are brought, the bearing capacity of the pipe pile is fully exerted, and the advantages are obvious. However, in the process of the implantation type tubular pile construction, because the tubular pile is long and basically used in large scale, the implantation type tubular pile is difficult to position in a geological complex area with unfavorable hydrological conditions, the verticality is difficult to meet the requirements, a large amount of manpower and material resources are consumed for repeated adjustment, and the construction progress is retarded.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a construction positioning device for implanting a composite-section hollow pile into an expanded lead hole, which is simple in structure, accurate in positioning and easy to prepare and can be used for solving the problems in the background technology.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a expand and draw hole and implant compound cross-section hollow pile construction positioner, includes upper portion locating hole (1) and middle part spacing steel ring (2), middle part spacing steel ring (2) link to each other with upper portion locating hole (1) through supporting connection billet (4), and upper portion locating hole (1) has laid spacing steel sheet (5) all around, be the flute profile opening in the middle of spacing steel sheet (5), spacing steel sheet (5) end fixing has spacing pulley (8), is equipped with spacing bolt (6) and stop nut (7) in the flute profile opening, and spacing bolt (6) can remove in the flute profile opening and move in order to adjust spacing pulley (8) position.
The further technology of the utility model is as follows:
preferably, the positioning device further comprises a bottom positioning pile shoe (3), the bottom positioning pile shoe (3) is welded with the end of the hollow pile into a whole in advance, the lower end of the positioning pile shoe (3) is a conical pile tip (9), and a movable limiting pulley (8) is arranged on the outer wall of the positioning pile shoe (3).
Preferably, four groups of limiting pulleys (8) are uniformly distributed on the outer wall of the positioning pile shoe (3), and each group of the limiting pulleys (8) are vertically arranged at equal intervals.
Preferably, the support steel bars (4) are fixedly welded with the upper positioning holes (1) and the middle limiting steel ring (2), and the support connecting steel bars (4) are welded annularly at equal intervals.
Preferably, the outer edge of the positioning hole at the upper part of the limiting steel plate (5) is provided with a tubular bubble level gauge (10).
The utility model has the following effective effects: the construction positioning device for filling the mortar into the hollow pile with the composite section through the expanding lead hole can solve the problem that the pile position is difficult to accurately position in the existing pile implantation construction. After the hole is expanded and led by rotary digging, a positioning device is put down, the end part of the precast tubular pile is welded with a positioning pile shoe, the pile planting equipment suspends the pile and penetrates through the positioning device, and the pile position can be accurately determined and the verticality of the pile body can be ensured through an upper positioning hole, a tubular bubble level gauge, a limiting plate, a limiting bolt, a nut, a middle limiting steel ring, a bottom positioning pile shoe and a limiting pulley which is matched up and down. The device has the advantages of simple structure, convenient manufacture, capability of saving a large amount of manpower and material resources, efficiency improvement, capability of ensuring the construction continuity and worth of popularization and application.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention.
FIG. 3 is a view of the structure of a limiting pulley of the bottom positioning shoe;
FIG. 4 is a block diagram of a limiting pulley of the limiting plate A shown in FIG. 1;
in the figure, 1, upper positioning holes; 2. a middle limiting steel ring; 3. positioning a pile shoe at the bottom; 4. connecting steel bars; 5. a limiting plate; 6. a limit bolt; 7. a limit nut; 8. a limiting pulley; 9. a conical pile tip; 10. a tubular bubble level; 11. and (5) a steel hoop.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Expand compound cross-section hollow pile construction positioner that draws hole implantation as shown in attached 1, 2, 3, 4, constitute by the device body, positioner includes upper portion locating hole 1, middle part spacing steel ring 2 and bottom location pile shoe 3, middle part location steel sheet 2 is connected billet 4 and upper portion locating hole 1 through supporting, supports 4 rings of billet equidistant arrangement to with upper portion locating hole 1 and middle part spacing steel ring 2 between the fixed weld, bottom location pile shoe 3 welds into wholly with the hollow pipe pile tip in advance. Spacing steel sheet 5 has been laid all around to upper portion locating hole 1, as shown in fig. 3, its tip also is fixed with movable spacing pulley 8, and upper portion locating hole attachment strap outer fringe disposes tubular bubble level 10 simultaneously, be the cell type opening in the middle of the spacing steel sheet 5, its activity is controlled to corresponding spacing bolt 6 of accessible and nut 7, spacing bolt 6 can remove about in the cell type opening and be used for adjusting fixed tubular pile position, and two liang of supporting uses of spacing bolt 6 and nut 7.
As shown in the attached drawing 1, each connecting steel bar 4 is welded with the bottom end of the upper positioning hole 1, and is overlapped and welded with the middle limiting steel ring 2 through the steel hoop ring 11 to form a unified whole; as shown in the attached figure 2, the bottom positioning pile shoe 3 is in a conical cylinder shape, four groups of limiting pulleys 8 are uniformly distributed on the outer wall of the upper cylinder shape, each group of limiting pulleys 8 are vertically arranged at equal intervals, and the lower part is a conical pile tip 9; fixed welding has limiting plate 5 around upper portion locating hole 1, and its tip also is fixed with activity spacing pulley 8 to in 45 jiaos of symmetrical arrangement there is tubular bubble level 10, be furnished with corresponding spacing bolt 6 and nut 7 on every limiting plate 5, establish the flute profile opening in the middle of the limiting plate 5, the position of limiting plate 5 is adjusted to 6 accessible nuts 7 elasticity of spacing bolt, make spacing pulley 8 hug closely the precast tubular pile outer wall, upper and lower spacing pulley 8 cooperations and then realize the locate function.
During operation, the hole is expanded by rotary drilling and is pre-formed, the construction positioning device is dropped and placed in the drill hole before the prestressed pipe pile is implanted, the outer edge of the upper positioning hole 1 is lapped at the top end of the steel casing, the tubular bubble level 10 is observed at the same time, and the positioning device is adjusted until each bubble is centered; the end part of the tubular pile is welded with the positioning pile shoe 3 in advance for sealing treatment, the tubular pile is dropped through pile planting equipment to enable the tubular pile to sequentially pass through an upper positioning hole 1 and a middle limiting steel ring 2, the tubular pile can be limited by the middle limiting steel ring 2 to enable the tubular pile to be not deviated generally, a limiting pulley 8 of the positioning pile shoe 3 is attached to the inner wall of a steel casing to fall down, a limiting plate 5 can be moved forwards and backwards and leftwards through cooperation of a limiting bolt 6 and a nut 7, the aperture is limited roughly according to the verticality in the dropping process, the upper limiting pulley 8 is attached to the outer wall of the tubular pile, and accurate positioning is achieved by finely adjusting the limiting bolt 6 and the nut 7.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (5)
1. The utility model provides an expand and draw hole and implant compound cross-section hollow pile construction positioner, includes upper portion locating hole (1) and middle part spacing steel ring (2), its characterized in that: the middle limiting steel ring (2) is connected with the upper portion positioning hole (1) through a supporting connection steel bar (4), the upper portion positioning hole (1) is paved with limiting steel plates (5) all around, a groove-shaped opening is formed in the middle of each limiting steel plate (5), the end portion of each limiting steel plate (5) is fixed with a limiting pulley (8), a limiting bolt (6) and a limiting nut (7) are arranged in the groove-shaped opening, and the limiting bolt (6) can move left and right in the groove-shaped opening to adjust the position of the limiting pulley (8).
2. The construction positioning device for the composite-section hollow pile implanted with the expanded lead hole as claimed in claim 1, wherein: the positioning device further comprises a bottom positioning pile shoe (3), the bottom positioning pile shoe (3) is welded with the end part of the hollow pile into a whole in advance, the lower end of the positioning pile shoe (3) is a conical pile tip (9), and a movable limiting pulley (8) is arranged on the outer wall of the positioning pile shoe (3).
3. The construction positioning device for the composite-section hollow pile implanted with the expanded lead hole as claimed in claim 2, wherein: four groups of limiting pulleys (8) are uniformly distributed on the outer wall of the positioning pile shoe (3), and each group of pulleys (8) are vertically arranged at equal intervals.
4. The construction positioning device for the composite-section hollow pile implanted with the expanded lead hole as claimed in claim 1, wherein: the support steel bars (4) are fixedly welded with the upper positioning holes (1) and the middle limiting steel ring (2), and the support connection steel bars (4) are welded annularly at equal intervals.
5. The construction positioning device for the composite-section hollow pile implanted with the expanded lead hole as claimed in claim 1, wherein: and the outer edge of the positioning hole at the upper part of the limiting steel plate (5) is provided with a tubular bubble level gauge (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529711.3U CN215367275U (en) | 2021-03-11 | 2021-03-11 | Expand and lead hole and implant compound cross-section hollow pile construction positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529711.3U CN215367275U (en) | 2021-03-11 | 2021-03-11 | Expand and lead hole and implant compound cross-section hollow pile construction positioner |
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| CN215367275U true CN215367275U (en) | 2021-12-31 |
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| CN202120529711.3U Active CN215367275U (en) | 2021-03-11 | 2021-03-11 | Expand and lead hole and implant compound cross-section hollow pile construction positioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482151A (en) * | 2022-02-14 | 2022-05-13 | 安徽省交通规划设计研究总院股份有限公司 | Internal force testing device for outer ring of hole-expanding grouting implanted precast tubular pile and construction method |
| CN116462086A (en) * | 2023-04-18 | 2023-07-21 | 中交三航局第三工程有限公司 | Hoisting device and hoisting method for large-diameter tubular pile steel pile shoe |
-
2021
- 2021-03-11 CN CN202120529711.3U patent/CN215367275U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482151A (en) * | 2022-02-14 | 2022-05-13 | 安徽省交通规划设计研究总院股份有限公司 | Internal force testing device for outer ring of hole-expanding grouting implanted precast tubular pile and construction method |
| CN114482151B (en) * | 2022-02-14 | 2023-08-22 | 安徽省交通规划设计研究总院股份有限公司 | Device for testing internal force of outer ring of prefabricated pipe pile implanted by reaming grouting and construction method |
| CN116462086A (en) * | 2023-04-18 | 2023-07-21 | 中交三航局第三工程有限公司 | Hoisting device and hoisting method for large-diameter tubular pile steel pile shoe |
| CN116462086B (en) * | 2023-04-18 | 2024-04-23 | 中交三航局第三工程有限公司 | Hoisting device and hoisting method for large-diameter tubular pile steel pile shoe |
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