CN216689329U - Drilling platform based on marine steel batter pile support pile basis - Google Patents

Drilling platform based on marine steel batter pile support pile basis Download PDF

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Publication number
CN216689329U
CN216689329U CN202220138894.0U CN202220138894U CN216689329U CN 216689329 U CN216689329 U CN 216689329U CN 202220138894 U CN202220138894 U CN 202220138894U CN 216689329 U CN216689329 U CN 216689329U
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China
Prior art keywords
pile
steel pipe
distribution beam
steel
foundation
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CN202220138894.0U
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Chinese (zh)
Inventor
薛磊
梅云弟
骆锦成
李卫东
杨曦东
张力心
程世斌
盛玮佳
武文杰
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CCCC Second Harbor Engineering Co
CCCC SHEC Fourth Engineering Co Ltd
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CCCC Second Harbor Engineering Co
CCCC SHEC Fourth Engineering Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

Abstract

The utility model discloses a drilling platform based on an offshore steel inclined pile supporting pile foundation, which comprises a group of steel pipe piles, a main cross beam, a group of bailey frames, a distribution beam and a platform panel, wherein the steel pipe piles are arranged on the main cross beam; the group of steel pipe piles is used for supporting a platform foundation; corbel structures are welded on two sides of the steel pipe pile, and the main beam is arranged on the corbel structures; a group of bailey frames are fixed above the main cross beam in parallel; the distribution beam is fixed at the top of the bailey frames; the platform panel is fixed on the distribution beam. This drilling platform based on marine steel batter pile support pile basis structural design is reasonable, and drilling platform possesses the performance of resisting great horizontal force, satisfies the load requirement that water transportation engineering pile foundation adopted to dig the drilling soon, realizes that the sea water digs rig drilling operation construction soon under the complicated sea area environment of nearly bank section, has improved the construction efficiency greatly, the cost is reduced.

Description

Drilling platform based on marine steel batter pile support pile basis
Technical Field
The utility model relates to the technical field of building construction, in particular to a rotary drilling rig drilling platform based on an offshore steel inclined pile supporting pile foundation.
Background
The drill for the construction of the cast-in-situ bored pile in the water transportation engineering is usually a rotary drill or a percussion drill. The existing drilling platform usually adopts a beam-column combined structure, steel pipe piles or steel casing cylinders are used as supports, the steel pipe piles or the steel casing cylinders are connected into a whole through components such as inter-pile parallel connection, inter-pile diagonal braces and the like, and a main beam, a distribution beam and a panel are laid on the upper portion of the platform to form the platform.
The existing percussion drill drilling platform bears smaller load and lower cost, but the percussion drill is slow in hole forming speed and easy to deviate holes and drop hammers; the rotary drill has high drilling speed but needs a larger operation space, and a mud tank and a mud sedimentation tank need to be arranged on a drilling platform, so that the environmental pollution is great; the traditional drilling platform is not constructed in the complex sea area environment of the offshore segment with large horizontal force.
Drilling construction by adopting a rotary drilling rig for large quantity of overwater cast-in-place piles with tight construction period requirement; drilling of the rotary drilling rig requires that the overwater drilling platform can resist large horizontal force; the existing drilling platform structure has weak horizontal force resistance and can not meet the requirements.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide a drilling platform based on an offshore steel inclined pile supporting pile foundation so as to achieve the purpose of better resisting horizontal force.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
this drilling platform based on marine steel batter pile support pile basis includes:
the group of steel pipe piles is used for supporting a platform foundation;
the two sides of the steel pipe pile are welded with bracket structures, and the main cross beam is arranged on the bracket structures;
the bailey frames are fixed above the main cross beam in parallel;
the distribution beam is fixed at the top of the group of bailey frames;
and the platform panel is fixed on the distribution beam.
Further:
the distribution beam comprises a longitudinal distribution beam and a transverse distribution beam which are connected, the transverse distribution beam is fixed on the top of the bailey truss, the longitudinal distribution beam is fixed on the transverse distribution beam, and the platform panel is welded on the longitudinal distribution beam.
The platform panel is a patterned steel plate.
The steel pipe pile butt joint comprises a steel pipe pile and is characterized by further comprising a butt joint body and a joint, wherein a butt joint body is arranged between every two adjacent steel pipe piles, one end of the butt joint body is connected with one adjacent steel pipe pile, one end of the joint is connected with the other adjacent steel pipe pile, and the other end of the joint is connected with the other end of the butt joint body through a vertical end face.
And rib plates for fixing the bottom end of the bailey truss are welded on the main cross beam.
The bracket structure comprises a support bracket and a ring plate, the ring plate is connected with the outer edge of the steel pipe pile in a welding mode, the inner end of the support bracket is connected with the outer edge of the steel pipe column in a welding mode, the ring plate is located below the support bracket, and the lower portion of the support bracket is welded on the ring plate.
Compared with the prior art, the utility model has the following advantages:
this drilling platform based on marine steel batter pile support pile basis structural design is reasonable, and drilling platform possesses the performance of resisting great horizontal force, satisfies the load requirement that water transport engineering pile foundation adopted and dug the drilling soon, realizes that the sea water is dug rig drilling operation construction soon under the complicated sea area environment of offshore segment, has improved the construction efficiency greatly, the cost is reduced.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the connection between a parallel connection and a steel pipe pile.
FIG. 2 is a schematic view of a drilling platform according to the present invention.
Fig. 3 is a schematic view of a section a-a in fig. 2.
In the figure:
1-a bracket backing plate; 2-a clamping groove at the lower part of the bailey frame; 3-steel pipe railings; 4-a pattern steel plate; 5-longitudinal distribution beams; 6-transverse distribution beams; 7-bailey frames; 8-a main beam; 9-bracket; 10-parallel connection; 11-steel pipe piles; 12-a linker.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the drilling platform based on the offshore steel inclined pile supporting pile foundation comprises a group of steel pipe piles 11, a main cross beam 8, a group of bailey frames 7, a distribution beam and a platform panel; the group of steel pipe piles is used for supporting a platform foundation; corbel structures are welded on two sides of the steel pipe pile, and the main beam is arranged on the corbel structures; a group of bailey frames are fixed above the main cross beam in parallel; the distribution beam is fixed at the top of the bailey frames; the platform panel is fixed on the distribution beam.
The distribution beams comprise a longitudinal distribution beam 5 and a transverse distribution beam 6 which are connected, the transverse distribution beam is fixed on the top of the bailey truss, the longitudinal distribution beam is fixed on the transverse distribution beam, and the platform panel is welded on the longitudinal distribution beam; furthermore, the platform panel is a patterned steel plate 4, and the edge of the patterned steel plate is provided with a steel pipe railing 3.
Further, in order to improve the structural reliability, the utility model also comprises a parallel connection 10 and a joint 12, wherein a parallel connection is arranged between adjacent steel pipe piles, one end of the parallel connection is connected with one adjacent steel pipe pile, one end of the joint is connected with the other adjacent steel pipe pile, the other end of the joint is connected with the other end of the parallel connection through a vertical end face, and the joint is in transition connection, so that the connection operation is simple and convenient, and the construction is convenient.
Furthermore, the bracket structure comprises a support bracket and a ring plate, the ring plate is connected with the outer edge of the steel pipe pile in a welding mode, the inner end of the support bracket is connected with the outer edge of the steel pipe column in a welding mode, the ring plate is located below the support bracket, the lower portion of the support bracket is welded on the ring plate, and the structure is stable and reliable.
The ring plate is the arc, corresponds every support bracket and sets up a ring plate, and the ring plate multiplicable and steel-pipe pile's connection area improves bracket structural strength.
Sinking the steel pipe pile: the steel pipe pile is sunk by adopting a piling boat. The method comprises the following steps of roughly positioning a pile driving boat (lower positioning pile) → anchoring the pile driving boat → leaning a pile driving boat (lower positioning pile) → hanging a pile → driving a pile into a pile frame dragon mouth → guiding and accurate positioning of a positioning system → adjusting the pile driving boat → pressing a pile → retesting of the positioning system → pressing a hammer → hammering pile sinking → retesting of the positioning system → ending of pile sinking.
Parallel connection construction: and after the single-row steel pipe piles are driven in place, the parallel connection is started. The parallel connection adopts steel pipes, the steel pipe piles are connected with the parallel connection through joints in a welded connection mode, the joints are of an integral structure, and each parallel connection is provided with one joint at one end.
All the steel pipe parallel links are blanked according to the size that the total length of the parallel links between two steel pipes at the designed elevation is shortened by about 10cm, one end of each steel pipe parallel link is processed into a vertical section, the inner diameter of a joint is 1cm larger than the outer diameter of the steel pipe parallel links, and the length of each steel pipe parallel link is considered according to 70 cm.
Constructing a main beam: the main cross beam of the construction platform is formed by double-spliced steel bars, and the cross beam is placed on the steel pipe pile by welding brackets on two sides of the steel pipe pile. The double-spliced I-shaped steel is processed in the back field and is installed on the spot. Firstly, the axis and the position of a cross beam are released on the steel pipe pile, brackets and ring plates are welded on two sides of the steel pipe pile, the cross beam, the welding connecting plate and the rib plate are hoisted and installed, and a Bailey frame is installed.
Installing the transverse and longitudinal distribution beams and the panel: the longitudinal distribution beam and the transverse distribution beam are made of I-shaped steel. After the longitudinal beam is fixed, the panel is welded and installed by adopting a pattern steel plate. And hoisting the patterned steel plates one by adopting a crane ship and fixing by spot welding.
The drilling platform based on the offshore steel inclined pile supporting pile foundation is reasonable in structural design, has the performance of resisting larger horizontal force, meets the load requirement of drilling a hole by adopting a rotary drilling rig for a water transportation engineering pile foundation, realizes drilling operation construction of the rotary drilling rig for seawater in a near-shore section complex sea area environment, greatly improves the construction efficiency and reduces the cost.
By adopting the platform, the defect that the traditional drilling platform cannot resist large horizontal force is overcome, and the XR550D rotary drilling (the total operation weight is 180t) and the working load of a matched crawler crane (the total operation weight is 70t) can be borne.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (6)

1. The utility model provides a drilling platform based on marine steel batter pile support pile basis which characterized in that: the method comprises the following steps:
the group of steel pipe piles is used for supporting a platform foundation;
the two sides of the steel pipe pile are welded with bracket structures, and the main cross beam is arranged on the bracket structures;
the bailey frames are fixed above the main cross beam in parallel;
the distribution beam is fixed at the top of the group of bailey frames;
the platform panel is fixed on the distribution beam.
2. The drilling platform based on the foundation of the offshore steel inclined pile supporting pile in claim 1, is characterized in that: the distribution beam comprises a longitudinal distribution beam and a transverse distribution beam which are connected, the transverse distribution beam is fixed on the top of the bailey truss, the longitudinal distribution beam is fixed on the transverse distribution beam, and the platform panel is welded on the longitudinal distribution beam.
3. The drilling platform based on the foundation of the offshore steel inclined pile supporting pile in claim 1, is characterized in that: the platform panel is a patterned steel plate.
4. The drilling platform based on the foundation of the offshore steel inclined pile supporting pile in claim 1, is characterized in that: the steel pipe pile butt joint comprises a steel pipe pile and is characterized by further comprising a butt joint body and a joint, wherein a butt joint body is arranged between every two adjacent steel pipe piles, one end of the butt joint body is connected with one adjacent steel pipe pile, one end of the joint is connected with the other adjacent steel pipe pile, and the other end of the joint is connected with the other end of the butt joint body through a vertical end face.
5. The drilling platform based on the foundation of the offshore steel inclined pile supporting pile in claim 1, is characterized in that: and rib plates for fixing the bottom end of the bailey truss are welded on the main cross beam.
6. The drilling platform based on the foundation of the offshore steel inclined pile supporting pile in claim 1, is characterized in that: the bracket structure comprises a support bracket and a ring plate, the ring plate is connected with the outer edge of the steel pipe pile in a welding mode, the inner end of the support bracket is connected with the outer edge of the steel pipe column in a welding mode, the ring plate is located below the support bracket, and the lower portion of the support bracket is welded on the ring plate.
CN202220138894.0U 2022-01-19 2022-01-19 Drilling platform based on marine steel batter pile support pile basis Active CN216689329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220138894.0U CN216689329U (en) 2022-01-19 2022-01-19 Drilling platform based on marine steel batter pile support pile basis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220138894.0U CN216689329U (en) 2022-01-19 2022-01-19 Drilling platform based on marine steel batter pile support pile basis

Publications (1)

Publication Number Publication Date
CN216689329U true CN216689329U (en) 2022-06-07

Family

ID=81826324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220138894.0U Active CN216689329U (en) 2022-01-19 2022-01-19 Drilling platform based on marine steel batter pile support pile basis

Country Status (1)

Country Link
CN (1) CN216689329U (en)

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