CN210216415U - Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area - Google Patents

Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area Download PDF

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Publication number
CN210216415U
CN210216415U CN201920894995.9U CN201920894995U CN210216415U CN 210216415 U CN210216415 U CN 210216415U CN 201920894995 U CN201920894995 U CN 201920894995U CN 210216415 U CN210216415 U CN 210216415U
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China
Prior art keywords
steel
bridge
steel casing
drilling platform
transverse
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Expired - Fee Related
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CN201920894995.9U
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Chinese (zh)
Inventor
Kaicong Zhang
张开聪
Zhengyou Mei
梅征友
Haiyong Yan
焉海勇
Xin Xu
徐鑫
Huiyi Tian
田会义
Wenbin Wu
吴文斌
Fu Li
李福�
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China Railway No 8 Engineering Group Co Ltd
First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd
Original Assignee
China Railway No 8 Engineering Group Co Ltd
First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd
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Priority to CN201920894995.9U priority Critical patent/CN210216415U/en
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Publication of CN210216415U publication Critical patent/CN210216415U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a positioning device for a bridge pile foundation steel casing in a deepwater torrent area, which comprises a plurality of steel pipe piles arranged in a matrix manner and a drilling platform fixedly connected to the upper ends of the plurality of steel pipe piles, wherein the drilling platform is formed by connecting a platform bottom plate, a distribution beam, a Bailey beam and a platform panel from bottom to top in sequence; a plurality of layers of connection systems are arranged among the steel pipe piles arranged in a matrix, each connection system comprises a forward-bridge connection system and a transverse-bridge connection system, the forward-bridge connection systems and the transverse-bridge connection systems have the same structure and are respectively a support structure formed by connecting two horizontal steel sections and a plurality of inclined supports, and the forward-bridge connection systems and the transverse-bridge connection systems and the steel pipe piles are fixedly connected through welding; and a plurality of square through holes are formed in the drilling platform. The utility model discloses its not only rigidity and stability are high, can ensure moreover that the steel protects the precision that a section of thick bamboo was transferred, reduce construction cost.

Description

Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area
Technical Field
The utility model relates to a bridge foundation engineering, concretely relates to positioner who protects a section of thick bamboo at regional bridge pile foundation steel of deep water torrent.
Background
With the continuous promotion of traffic construction in China, the construction of bridges serving as important nodes on traffic trunks becomes increasingly important, and particularly, a plurality of bridges serve as control nodes in the construction of overseas projects of five longitudinal seven transverse roads, eight longitudinal eight transverse roads and one road in high-speed rails. The bridge is the best mode for solving the transportation across rivers and canyons.
The natural environment of the river-crossing and sea-crossing bridge is complex and greatly changed, so that the design and construction of the underwater pile foundation of the bridge are more difficult and more factors need to be considered than the construction of the pile foundation on land, and the steel pile casing is buried as the initial step of the pile foundation construction, so that the smooth proceeding of the subsequent pile foundation engineering is directly influenced. Whether the plane position is accurate after the steel casing sinks, whether the verticality reaches the standard directly influences the quality and the progress of the whole pile foundation engineering. Therefore, the research on the positioning device and method of the steel casing has very important engineering practical significance.
CN202830931U discloses a "steel protects a section of thick bamboo positioner", has solved the current need adopt large-scale equipment when carrying out steel and protect a section of thick bamboo location on the river that the velocity of water is fast, has the inaccurate, construction speed of location, cost scheduling problem such as higher. The steel casing positioning device comprises a construction platform erected on a river surface and a positioning frame positioned on the construction platform; positioning holes are formed in the construction platform and the positioning frame, a fixed pulley is welded at the bottom of the steel casing penetrating through the positioning holes of the construction platform and the positioning frame and entering water, a steel wire rope is wound on the fixed pulley, one end of the steel wire rope penetrates through the fixed pulley and is fixed at the top of the steel casing, and the other end of the steel wire rope is connected with traction equipment located at the upstream of a river. The position of the steel casing is adjusted by utilizing upstream traction equipment and a fixed pulley traction steel wire rope fixed on the steel casing, so that the traction is convenient and large-scale equipment is not needed; the positioning is accurate, and the plane position of the steel casing is ensured.
CN102926387A discloses "steel sheet pile cofferdam encloses purlin installation guider under water", including vertical nose girder, set up the horizontal support in the upper end of vertical nose girder top inboard, set up the horizontal support of lower extreme at vertical nose girder bottom inboard, set up the elevation location bracket in the vertical nose girder bottom outside, the inboard of the horizontal support of lower extreme is equipped with the nose girder lower extreme and supports the arc. It adopts the individual layer to enclose the whole preparation of purlin in the back, relies on the bored concrete pile steel to protect a section of thick bamboo and sets up vertical nose girder, guarantees the interval that each layer encloses the purlin through enclosing vertical bracing piece between the purlin, encloses the purlin by lower supreme successive layer integral erection steel sheet pile. The technical problems that in the prior art, before steel sheet piles are inserted and driven, installation and construction of underwater purlins are invisible, positioning is difficult, and spacing control of the plurality of layers of purlins is difficult are solved. The beneficial effects of high installation speed and high positioning precision of the purlin are obtained.
Needless to say, the technical solutions disclosed in the above patent documents are all beneficial attempts made in the technical field to solve the problems of inaccurate positioning, slow construction speed and high cost in bridge foundation construction.
Disclosure of Invention
The utility model aims at providing a positioner at regional bridge pile foundation steel of deep water torrent protects a section of thick bamboo, it is not only rigidity and stability high, can ensure moreover that the steel protects the precision that a section of thick bamboo transferred, can also make full use of construction platform's steel-pipe pile and steel-pipe pile between the connection system, reduce construction cost.
A positioner at regional bridge stake basis steel of deep water torrent protects a section of thick bamboo, be many including many steel-pipe pile, the fixed connection that are the matrix arrangement drilling platform of steel-pipe pile upper end, drilling platform is from supreme being connected by platform bottom plate, distribution roof beam, bailey roof beam and platform panel in proper order down and is constituted characterized by: a plurality of layers of connection systems are arranged among the steel pipe piles arranged in a matrix, each connection system comprises a forward-bridge connection system and a transverse-bridge connection system, the forward-bridge connection systems and the transverse-bridge connection systems have the same structure and are respectively a support structure formed by connecting two horizontal steel sections and a plurality of inclined supports, and the forward-bridge connection systems and the transverse-bridge connection systems and the steel pipe piles are fixedly connected through welding; and a plurality of square through holes are formed in the drilling platform.
Furthermore, a plurality of pairs of steel casing guide frames are arranged on at least two layers of the connecting systems, the steel casing guide frames are square frames, and the transverse bridge-direction edges of the steel casing guide frames are steel pipes and are welded on the forward bridge-direction connecting systems; the bridge-following direction edge of the steel casing guide frame is provided with an I-shaped steel, and a web plate of the I-shaped steel is vertically welded and fixed with the steel pipe; the center line of the square-frame-shaped steel casing guide frame coincides with the center line of the square through hole in the drilling platform.
The positioning device for the bridge pile foundation steel casing in the deepwater and rapid stream area further comprises a crawler crane arranged on the drilling platform.
Furthermore, a plurality of triangular stiffening steel plates are arranged at the connecting part of the upper end of the steel pipe pile and the bottom plate of the drilling platform.
Furthermore, the side length of the inner frame of the steel casing guide frame is equal to the diameter of the steel casing to be positioned.
The beneficial effects of the utility model reside in that:
(1) the steel casing guide frame is welded on the steel pipe pile connection system of the drilling platform, so that the construction is simple, the drilling platform is fully utilized, and the construction cost is saved;
(2) because the rigidity and the stability of the steel casing positioning guide frame are high, the position deviation of the plane after the steel casing is placed down is less than 5 cm, and the verticality deviation is less than 1%, the placing precision of the steel casing is ensured;
(3) the process of positioning and installing the steel casing in sections is adopted, so that large-scale equipment is not needed, and the positioning and the installation of the bridge pile foundation steel casing in the deepwater torrent area can be completed only by adopting a conventional crawler crane.
Drawings
Fig. 1 is a schematic structural diagram of a positioning device of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of the positioning method of the present invention;
fig. 4 is a sectional view taken along line B-B of fig. 3.
In the figure: the steel pipe pile comprises 1-a steel pipe pile, 2-a platform bottom plate, 3-a distribution beam, 4-a Bailey beam, 5-a platform panel, 6-a forward bridge connecting system, 7-a transverse bridge connecting system, 8-a steel casing guide frame, 9-a steel pipe, 10-I-shaped steel, 11-a triangular stiffening steel plate, 12-a steel casing, 13-a crawler crane, 14-a cross support and 15-a steel corbel.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 and 2, the positioning device for the bridge pile foundation steel casing in the deepwater and rapid stream area comprises a plurality of steel pipe piles 1 arranged in a matrix manner and a drilling platform fixedly connected to the upper ends of the plurality of steel pipe piles; drilling platform is from supreme being connected by platform bottom plate 2, distribution beam 3, bailey roof beam 4 and platform panel 5 in proper order down and is constituted characterized by:
a plurality of layers of connecting systems are arranged among the steel pipe piles 1 arranged in a matrix, each connecting system comprises a forward-bridge (longitudinal) connecting system 6 and a transverse-bridge (transverse) connecting system 7, the forward-bridge connecting systems and the transverse-bridge connecting systems have the same structure and are respectively a support structure formed by connecting two horizontal steel bars and a plurality of inclined struts, and the forward-bridge connecting systems 6 and the transverse-bridge connecting systems 7 are fixedly connected with the steel pipe piles 1 through welding; and a plurality of square through holes are formed in the drilling platform.
At least two layers of the connecting systems are provided with a plurality of pairs of steel casing guide frames 8, the steel casing guide frames 8 are square frames, and the transverse bridge-direction edges of the steel casing guide frames are steel pipes 9 and are welded on the forward bridge-direction connecting systems 6; the bridge-following direction edge of the steel casing guide frame is provided with an I-shaped steel 10, and a web plate of the I-shaped steel 10 is vertically welded and fixed with the steel pipe 9; the central line of the square frame-shaped steel casing guide frame 8 coincides with the central line of the square through hole on the drilling platform.
The positioning device for the bridge pile foundation steel casing in the deepwater and rapid stream area further comprises a crawler crane 13 arranged on the drilling platform.
And a plurality of triangular stiffening steel plates 11 are arranged at the connecting part of the upper end of the steel pipe pile 1 and the drilling platform bottom plate 2.
The side length of the inner frame of the steel casing guide frame is equal to the diameter of the steel casing 12 to be positioned.
Referring to fig. 3 and 4, the utility model discloses a location method of bridge stake basis steel casing in deep water torrent area, characterized by: the method comprises the following steps:
firstly, building a drilling platform;
firstly, inserting and driving a plurality of steel pipe piles 1 into a riverbed by using a vibration hammer, and arranging the plurality of steel pipe piles 1 in a matrix manner to be used as a vertical support of a drilling platform; cutting off redundant parts of the steel pipe piles 1 according to the pile top elevation; then, connecting a platform bottom plate 2 to the top end of each steel pipe pile 1, and welding four triangular stiffening steel plates 9 at equal intervals at the connecting part of the upper end of each steel pipe pile 1 and the lower surface of the platform bottom plate 2; finally, a distribution beam 3, a Bailey beam 4 and a platform panel 5 are sequentially arranged on the platform bottom plate 2 from bottom to top and are welded and fixed by a U-shaped fixture to prevent the Bailey beam from laterally shifting, so that a drilling platform is formed, and a plurality of square through holes for the steel casing 12 to pass through are reserved on the drilling platform;
secondly, setting a connecting system; arranging a plurality of layers of connecting systems among the steel pipe piles 1 arranged in a matrix, wherein each connecting system comprises a forward-bridge (longitudinal) connecting system 6 and a transverse-bridge (transverse) connecting system 7, the forward-bridge connecting system and the transverse-bridge connecting system have the same structure and are respectively a support structure formed by connecting two horizontal steel bars and a plurality of inclined struts, and the forward-bridge connecting system 6 and the transverse-bridge connecting system 7 are fixedly connected with the steel pipe piles 1 through welding;
thirdly, mounting a steel casing guide frame;
at least two layers of connecting systems are provided with steel casing guide frames which correspond up and down; the steel casing guide frame is in a square frame shape, the center line of the steel casing guide frame is superposed with the center line of the square through hole on the drilling platform, and the side length of the inner frame of the steel casing guide frame is equal to the diameter of the steel casing 11 to be positioned; the transverse bridge-direction edge of the steel casing guide frame is a steel pipe 9 and is welded on the forward bridge-direction connecting system 6; the bridge-following direction edge of the steel casing guide frame is provided with an I-shaped steel 10, and a web plate of the I-shaped steel 10 is vertically welded and fixed with the steel pipe 9;
fourthly, lowering the positioning steel casing;
firstly, conveying a crawler crane 13 onto a drilling platform, meanwhile, dividing the steel casing 12 into a plurality of sections according to the length and the weight of the steel casing 12 and the lifting capacity of the crawler crane 13, and welding a cross support 14 made of section steel at the upper part in each section of the steel casing 12; then, the crawler crane 13 is started to hoist the first section of the steel casing 12, and the first section of the steel casing is lowered and positioned through the steel casing guide frame; after the lower part of the first section of the steel casing 12 is in place, a section steel corbel 15 is welded on the outer side of the upper part of the first section of the steel casing 12, and the first section of the steel casing 12 is temporarily supported on a drilling platform; then, hoisting a second section of the steel casing 12 to the first section of the steel casing 11 by adopting a crawler crane 13 for lengthening; finally, the steel casing 12 is lowered to the surface of the river bed, and the steel casing 12 is positioned by a vibration hammer.
The utility model has simple construction, high rigidity and stability of the guide frame, and can not only ensure the lowering precision of the protection cylinder; and the coupling system between the steel pipe piles of the construction platform can be fully utilized, so that the construction cost is reduced.

Claims (5)

1. The utility model provides a positioner at regional bridge stake basis steel casing of deep water torrent, includes many steel-pipe piles (1), the fixed connection that are the matrix arrangement many drilling platform on the steel-pipe pile, drilling platform from supreme down is connected by platform bottom plate (2), distribution beam (3), bailey roof beam (4) and platform panel (5) in proper order and is constituted characterized by: a plurality of layers of connection systems are arranged among the steel pipe piles (1) which are arranged in a matrix mode, each connection system comprises a forward-bridge connection system (6) and a transverse-bridge connection system (7), the forward-bridge connection systems and the transverse-bridge connection systems are the same in structure and are all support structures connected by two horizontal section steels and a plurality of inclined supports, and the forward-bridge connection systems (6) and the transverse-bridge connection systems (7) are fixedly connected with the steel pipe piles (1) through welding; and a plurality of square through holes are formed in the drilling platform.
2. The positioning device for the steel casing of the bridge pile foundation in the deep water and rapid stream area as claimed in claim 1, which is characterized in that:
at least two layers of the connecting systems are provided with a plurality of pairs of steel casing guide frames (8), the steel casing guide frames (8) are square frames, and the transverse bridge-direction edges of the steel casing guide frames are steel pipes (9) and are welded on the forward bridge-direction connecting systems (6); the bridge-following direction edge of the steel casing guide frame is provided with an I-shaped steel (10), and a web plate of the I-shaped steel (10) is vertically welded and fixed with the steel pipe (9); the center line of the square frame-shaped steel casing guide frame (8) coincides with the center line of the square through hole in the drilling platform.
3. The positioning device for the steel casing of the bridge pile foundation in the deep water and rapid stream area as claimed in claim 1 or 2, which is characterized in that: the drilling platform is characterized by further comprising a crawler crane (13) arranged on the drilling platform.
4. The positioning device for the steel casing of the bridge pile foundation in the deep water and rapid stream area as claimed in claim 2, which is characterized in that: and a plurality of triangular stiffening steel plates (11) are arranged at the connecting part of the upper end of the steel pipe pile (1) and the drilling platform bottom plate (2).
5. The positioning device for the steel casing of the bridge pile foundation in the deep water and rapid stream area as claimed in claim 2, which is characterized in that: the side length of the inner frame of the steel casing guide frame is equal to the diameter of the steel casing (12) to be positioned.
CN201920894995.9U 2019-06-14 2019-06-14 Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area Expired - Fee Related CN210216415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920894995.9U CN210216415U (en) 2019-06-14 2019-06-14 Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920894995.9U CN210216415U (en) 2019-06-14 2019-06-14 Positioning device for bridge pile foundation steel casing in deepwater and rapid stream area

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110344412A (en) * 2019-06-14 2019-10-18 中铁八局集团有限公司 A kind of positioning device and method in deep water torrent region Bored Pile of Bridge steel pile casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110344412A (en) * 2019-06-14 2019-10-18 中铁八局集团有限公司 A kind of positioning device and method in deep water torrent region Bored Pile of Bridge steel pile casting
CN110344412B (en) * 2019-06-14 2024-04-23 中铁八局集团有限公司 Positioning device and method for bridge pile foundation steel casing in deep water rapid flow area

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Granted publication date: 20200331