CN218027576U - A drilling platform for deep-water shallow overburden riverbed - Google Patents

Abstract

The utility model discloses a drilling platform for deep-water shallow overburden riverbeds, and relates to the technical field of drilling platforms. Fixedly connected, each of the pile foundations includes steel pipe piles and concrete anchor piles, the steel pipe piles of each of the pile foundations are inserted on the shallow overburden river bed, and the inside of the steel pipe piles of each of the pile foundations Concrete is poured to form corresponding concrete anchor piles, and the connecting beams are fixedly arranged at the tops of the plurality of steel pipe piles, and the connecting beams are used for setting roof panels. The steel pipe piles of each pile foundation of the utility model are inserted on the shallow overburden river bed. On the one hand, the steel pipe piles can guide the construction of corresponding concrete anchor piles; on the other hand, the steel pipe piles can be used as supports for The construction of the connecting beam on the upper part of the drilling platform, and the construction of the pile foundation and the construction of the connecting beam do not interfere with each other, which can improve the construction efficiency and save the construction period.

Description

A drilling platform for deep-water shallow overburden riverbed

technical field

The utility model relates to the technical field of drilling platforms, in particular to a drilling platform used for deep-water shallow overburden riverbeds.

Background technique

The construction method of "platform first, then cofferdam" is generally adopted for the foundation of bridges in deep water. The drilled platform is the most commonly used platform structure for the construction of bored piles. For shallow overburden river bed geology with deep water, strong wind, strong waves, and high flow velocity, the construction idea of the existing drilling platform is: to punch or blast near the pile foundation pile position, then lower the steel cage in the hole, pour Underwater concrete forms concrete anchor piles. After the concrete reaches the design strength, steel pipe piles are installed on the concrete anchor piles. The concrete anchor piles and steel pipe piles are used as the pile foundation of the drilling platform, and drilling is carried out on the steel pipe piles. Platform superstructure. The disadvantage of this scheme is that the construction of the pile foundation of the drilling platform needs to set up a temporary construction platform, and the construction of the upper structure of the drilling platform can only be carried out after the construction of the concrete anchor piles and steel pipe piles of the pile foundation is completed, so that the entire drilling platform The construction speed of the hole platform is slower and the cost is higher.

Utility model content

The embodiment of the utility model provides a drilling platform for deep-water shallow overburden riverbeds to solve the technical problems of relatively slow construction speed and high cost in the existing drilling platforms in the related art.

The embodiment of the utility model provides a drilling platform for deep-water shallow overburden riverbed, including:

A plurality of pile foundations fixedly connected with the shallow overburden riverbed, each of which includes steel pipe piles and concrete anchor piles, and the steel pipe piles of each of the pile foundations are inserted on the shallow overburden riverbed, each Concrete is poured into the steel pipe pile of the pile foundation to form a corresponding concrete anchor pile;

A connecting beam, the connecting beam is fixedly arranged at the tops of a plurality of steel pipe piles, and the connecting beam is used for setting a top panel.

In some embodiments, the connecting beam includes:

A plurality of crossbeams, a plurality of said crossbeams are spaced apart laterally, and each said crossbeam is fixed on a plurality of said steel pipe piles in the transverse direction;

A plurality of longitudinal beams, the plurality of longitudinal beams are longitudinally spaced, and each of the longitudinal beams is fixed on all the transverse beams.

In some embodiments, each of the beams includes two pieces of H-shaped steel connected as one, and the two pieces of H-shaped steel are connected to the corresponding steel pipe piles.

In some embodiments, the drilling platform also includes:

A support bracket corresponding to each of the steel pipe piles, each of the support brackets is arranged on the top of the corresponding steel pipe pile and connected with two pieces of H-shaped steel of the corresponding one of the cross beams.

In some embodiments, each said support bracket includes:

a hoop reinforcement plate, the hoop reinforcement plate is connected to the top of the corresponding steel pipe pile;

An annular cover top plate, the annular cover top plate is arranged on the top end of the annular reinforcement plate;

A first stiffening plate, the first stiffening plate is connected with the circumferential reinforcing plate and the annular cover top plate.

In some embodiments, each of the beams further includes a plurality of sheet-shaped steel trusses, and the plurality of sheet-shaped steel trusses are spaced between two pieces of the H-shaped steel and connected to the two pieces of the H-shaped steel;

Each of the beams is provided with a second stiffening plate close to the corresponding steel pipe pile, and the second stiffening plate is connected to the corresponding steel pipe pile.

In some embodiments, the drilling platform also includes:

A plurality of connecting rod systems, each of which is connected to two adjacent steel pipe piles.

In some embodiments, each connecting rod system includes:

an upper chord, the upper chord is connected to the corresponding two adjacent steel pipe piles;

a lower chord, the lower chord is located on the lower side of the upper chord and is connected to the corresponding two adjacent steel pipe piles;

A plurality of oblique rods, each of which is connected to the upper chord and the lower chord.

In some embodiments, each of the steel pipe piles is provided with a reinforcement cage, and the lower end of the reinforcement cage extends into the shallow overburden riverbed.

The beneficial effects brought by the technical solution provided by the utility model include:

The embodiment of the utility model provides a drilling platform for deep-water and shallow overburden riverbeds. The steel pipe piles of each pile foundation of the drilling platform are inserted on the shallow overburden riverbed. On the one hand, the steel pipe piles It can guide the corresponding concrete anchor pile construction. On the other hand, the steel pipe pile can be used as a support for the construction of the connecting beam on the upper part of the drilling platform, and the construction of the pile foundation and the construction of the connecting beam do not interfere with each other, which can improve the construction efficiency. Save construction period. In addition, the embodiment of the utility model does not need to build a temporary construction platform in advance for pile foundation construction, which can save material consumption and reduce engineering costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the schematic diagram of a kind of drilling platform that is used for deep-water shallow overburden river bed that the utility model embodiment provides;

Fig. 2 is the side view of Fig. 1 that the utility model embodiment provides;

Fig. 3 is the top view of Fig. 2 provided by the utility model embodiment;

Fig. 4 is a top view of the connection between the beam and the steel pipe pile provided by the embodiment of the utility model;

Fig. 5 is the side view of Fig. 4 provided by the utility model embodiment;

Fig. 6 is a schematic diagram of the connection between the support bracket and the steel pipe pile provided by the embodiment of the present invention;

Fig. 7 is the top view of Fig. 6 provided by the embodiment of the present utility model;

Fig. 8 is a schematic diagram of the connection between the connecting rod system and the steel pipe pile provided by the embodiment of the present invention;

Fig. 9 is the schematic diagram of the pile foundation that the utility model embodiment provides;

In the picture:

1. Pile foundation; 11. Steel pipe pile; 12. Concrete anchor pile; 13. Reinforcement cage;

2. Connecting beam; 21. Beam; 211. H-shaped steel; 212. Sheet steel truss; 213. Second stiffening plate; 22. Longitudinal beam;

3. Support corbel; 31. Ring reinforcement plate; 32. Ring top plate; 33. First stiffening plate; 331. First vertical stiffening plate; 332. Second vertical stiffening plate;

4. Connecting bar system; 41, upper chord; 42, lower chord; 43, inclined bar.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the utility model provides a drilling platform for deep-water shallow overburden riverbed, which can solve the technical problems of slow construction speed and high cost of the existing drilling platform.

Referring to Fig. 1 and Fig. 2, the embodiment of the utility model provides a drilling platform for deep-water shallow overburden riverbed, including: a plurality of pile foundations 1 and connecting beams 2 .

A plurality of said pile foundations 1 are fixedly connected with the shallow overburden riverbed, each of said pile foundations 1 includes steel pipe piles 11 and concrete anchor piles 12, and the steel pipe piles 11 of each said pile foundation 1 are inserted in shallow Concrete is poured into the steel pipe piles 11 of each pile foundation 1 to form corresponding concrete anchor piles 12 on the overlying river bed. Specifically, the steel pipe pile 11 of each pile foundation 1 is used as a pilot drill hole, and concrete is poured into the hole to form a corresponding concrete anchor pile 12, and the steel pipe pile 11 and concrete anchor pile 12 of each pile foundation 1 are closely covered The layers of river bed are consolidated into a whole, which can provide greater horizontal stiffness and vertical stiffness, and jointly bear the vertical force generated by the drilling platform when drilling holes and the horizontal force generated by waves, water flow and wind loads, reducing the impact on the drilling platform. It is difficult and safe to carry out drilling construction in complex sea areas with deep water, strong wind, strong waves and high flow velocity.

The connecting beam 2 is fixed on the top of a plurality of steel pipe piles 11, and the connecting beam 2 is used for setting a roof panel, which is convenient for construction personnel to carry out subsequent drilling construction.

In the drilling platform for deep-water shallow overburden riverbed in the embodiment of the utility model, the steel pipe piles of each pile foundation are inserted on the shallow overburden riverbed. On the one hand, the steel pipe piles can be corresponding concrete anchor piles The construction is guided; on the other hand, the steel pipe pile can be used as a support for the construction of the connecting beam on the upper part of the drilling platform, and the construction of the pile foundation and the construction of the connecting beam do not interfere with each other, which can improve the construction efficiency and save the construction period. In addition, the embodiment of the utility model does not need to build a temporary construction platform in advance for pile foundation construction, which can save material consumption and reduce engineering costs.

As an optional implementation, in an embodiment of the utility model, as shown in FIG. 3 , the connecting beam 2 includes: a plurality of cross beams 21 and a plurality of longitudinal beams 22 .

A plurality of crossbeams 21 are spaced horizontally, each of the crossbeams 21 is fixed on a plurality of steel pipe piles 11 in the transverse direction, and a plurality of longitudinal beams 22 are longitudinally spaced, and each of the longitudinal beams 22 is fixed on All the beams 21 on.

Further, as shown in FIG. 4 , each of the beams 21 includes two pieces of H-shaped steel 211 connected as one, and the two pieces of H-shaped steel 211 are connected with the corresponding steel pipe pile 11 . There is a certain distance between the two pieces of H-shaped steel to ensure the stability of the shaped steel and facilitate load bearing.

The longitudinal beam 22 is a structure that uniformly transmits the vertical load of the drilling platform to the beam 21 , and the longitudinal beam 22 can be a Bailey beam, and its direction is perpendicular to the direction of the beam 21 . During the drilling platform construction, after the crossbeam 21 is set up, lay the longitudinal beam 22 and the top panel near the steel pipe pile 11 as the construction platform for the concrete anchor pile 12, and then lay the concrete anchor pile 12 after the construction of the concrete anchor pile 12. The longitudinal beam 22 and the roof panel at the top of the steel pipe pile 11 finally complete the erection of the entire drilling platform.

As an optional implementation, in a utility model embodiment, as shown in Fig. 6 and Fig. 7, the drilling platform further includes: a support bracket 3 corresponding to each of the steel pipe piles 11, Each support bracket 3 is arranged on the top of the corresponding steel pipe pile 11 and connected with two pieces of H-shaped steel 211 of a corresponding one of the beams 21 .

Further, each of the supporting brackets 3 includes: a hoop reinforcing plate 31 , an annular top plate 32 and a first stiffening plate 33 . The circumferential reinforcement plate 31 is connected to the top of the corresponding steel pipe pile 11, the annular cover top plate 32 is arranged on the top end of the circumferential reinforcement plate 31, and the first stiffening plate 33 is connected to the circumferential reinforcement plate 31. The reinforcing plate 31 is connected with the annular cover top plate 32 .

Specifically, the support bracket 3 is a structure that evenly transmits the load borne by the beam 21 to the steel pipe pile 11, and the support bracket 3 is arranged on the top of the steel pipe pile 11 to facilitate the later construction of the concrete anchor pile of the pile foundation 1. 12 and the connecting beam 2 on the top of the drilling platform, the construction of the pile foundation 1 and the construction of the connecting beam 2 do not interfere with each other, which can improve the construction efficiency and save the construction period.

The installation steps of the supporting corbel 3 are as follows: firstly, weld the circumferential reinforcing plate 31 on the top of the steel pipe pile 11, the top of the circumferential reinforcing plate 31 is flush with the top of the steel pipe pile 11, and the bottom is flush with the steel pipe pile 11 with a ring For fillet weld connection, slot-shaped welding holes are provided in the middle of the ring reinforcement plate 31 to connect with the steel pipe pile 11, and the steel pipe pile 11 can be ground flat after welding, which can improve the pressure bearing and shear strength of the steel pipe pile 11; then the annular cover top plate 32 and the second A stiffening plate 33 is welded into a whole with double-sided fillet welds. The first stiffening plate 33 includes a first vertical stiffening plate 331 and a second vertical stiffening plate 332. The position of the first vertical stiffening plate 331 should be Corresponding to the position of the two H-shaped steel 211 webs up and down; finally, the overall structure welded by the annular cover top plate 32 and the first stiffening plate 33 is inserted into the top of the steel pipe pile 11, and the annular cover top plate 32 and the top of the steel pipe pile 11 are connected by a peripheral The first vertical stiffening plate 331 of the first stiffening plate 33 and the steel pipe pile 11 are connected by a groove butt weld.

As an optional implementation, in an embodiment of the utility model, as shown in Fig. 4 and Fig. 5, each of the beams 21 also includes a plurality of sheet-shaped steel trusses 212, and a plurality of the sheet-shaped steel trusses 212 are arranged at intervals. between two pieces of H-shaped steel 211 and connected with two pieces of said H-shaped steel 211 . Each of the beams 21 is provided with a second stiffening plate 213 close to the corresponding steel pipe pile 11, the steel pipe pile 11 corresponding to the second stiffening plate 213 is connected, and a plurality of sheet-shaped steel trusses 212 ensure two The stability of the connection of the H-shaped steel 211 and the second stiffening plate 213 ensure the reliability of the connection between the beam 21 and the steel pipe pile 11 .

As an optional implementation, in a utility model embodiment, as shown in FIG. 8, the drilling platform further includes: a plurality of connecting rod systems 4, each of the connecting rod systems 4 is connected to two adjacent The steel pipe pile 11 is connected, and the connecting rod system 4 can enhance the overall rigidity and stability of the drilling platform.

Further, each connecting rod system 4 includes: an upper chord 41 , a lower chord 42 and a plurality of diagonal rods 43 . The upper chord 41 is connected to the corresponding two adjacent steel pipe piles 11, the lower chord 42 is located on the lower side of the upper chord 41 and connected to the corresponding two adjacent steel pipe piles 11, each Each of the oblique rods 43 is connected with the upper chord 41 and the lower chord 42, and the upper chord 41, the lower chord 42 and the oblique rod 43 are all made of steel pipes. It can be welded into a whole in advance in the factory, and then hoisted on site, and welded with the above-mentioned steel pipe pile 11 into a whole, the structure is simple, and the construction is convenient.

As an optional implementation, as shown in Figure 9, in a utility model embodiment, each of the steel pipe piles 11 is provided with a reinforcement cage 13, and the lower end of the reinforcement cage 13 extends into the river bed of the shallow overburden layer to improve The strength of the concrete anchor pile 12 after molding.

The embodiment of the utility model provides a construction method for a drilling platform used in a deep-water shallow overburden riverbed, comprising the following steps:

A plurality of steel pipe piles 11 are inserted on the shallow overburden river bed.

Concrete is poured into each steel pipe pile 11 to form a corresponding concrete anchor pile 12, so that the steel pipe piles 11 and concrete anchor piles 12 of multiple pile foundations 1 are fixedly connected to the river bed of the shallow overburden layer.

A connecting beam 2 is arranged at the top of a plurality of steel pipe piles 11 , and a top panel is arranged on the connecting beam 2 .

In the construction method of the drilling platform for the deep-water shallow overburden riverbed in the embodiment of the utility model, it inserts the steel pipe piles of each pile foundation on the shallow overburden riverbed. On the one hand, the steel pipe piles can be corresponding On the other hand, the steel pipe pile can be used as a support for the construction of the connecting beam on the upper part of the drilling platform, and the construction of the pile foundation and the construction of the connecting beam do not interfere with each other, which can improve the construction efficiency and save the construction period . In addition, the embodiment of the utility model does not need to build a temporary construction platform in advance for pile foundation construction, which can save material consumption and reduce engineering costs.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the utility model and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

It should be noted that in this utility model, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or Any such actual relationship or order between such entities or operations is implied. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only specific implementation methods of the present utility model, so that those skilled in the art can understand or realize the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features of the present invention.

Claims (9)

1. A drilling platform for deep-water shallow overburden riverbed, characterized in that, comprising: A plurality of pile foundations (1) fixedly connected with the shallow overburden riverbed, each of the pile foundations (1) includes steel pipe piles (11) and concrete anchor piles (12), each of the pile foundations (1) The steel pipe piles (11) are inserted on the river bed of the shallow overburden layer, and the inner pouring concrete of the steel pipe piles (11) of each pile foundation (1) forms corresponding concrete anchor piles (12); A connecting beam (2), the connecting beam (2) is fixedly arranged on the top ends of a plurality of steel pipe piles (11), and the connecting beam (2) is used for setting a top panel. 2. the drilling platform for deep-water shallow overburden riverbed as claimed in claim 1, is characterized in that, described connecting beam (2) comprises: A plurality of crossbeams (21), the plurality of said crossbeams (21) are spaced apart laterally, and each said crossbeam (21) is fixed on a plurality of said steel pipe piles (11) in the transverse direction; A plurality of longitudinal beams (22), the plurality of longitudinal beams (22) are longitudinally spaced, and each of the longitudinal beams (22) is fixed on all the cross beams (21). 3. The drilling platform for deep-water shallow overburden riverbed as claimed in claim 2, characterized in that: Each of the crossbeams (21) includes two pieces of H-shaped steel (211) connected as a whole, and the two pieces of H-shaped steel (211) are connected with the corresponding steel pipe pile (11). 4. The drilling platform for deep-water shallow overburden riverbed as claimed in claim 3, further comprising: A support bracket (3) corresponding to each of the steel pipe piles (11), each of the support brackets (3) is arranged on the top of the corresponding steel pipe pile (11) and is connected to a corresponding one The two pieces of H-shaped steel (211) of the beam (21) are connected. 5. the drilling platform for deep-water shallow overburden riverbed as claimed in claim 4, is characterized in that, each described supporting corbel (3) all comprises: A hoop reinforcement plate (31), the hoop reinforcement plate (31) is connected to the top of the corresponding steel pipe pile (11); An annular cover top plate (32), the annular cover top plate (32) is arranged on the top end of the annular reinforcement plate (31); A first stiffening plate (33), the first stiffening plate (33) is connected with the annular reinforcement plate (31) and the annular cover top plate (32). 6. The drilling platform for deep-water shallow overburden riverbed as claimed in claim 3, characterized in that: Each of the beams (21) also includes a plurality of sheet-shaped steel trusses (212), and a plurality of sheet-shaped steel trusses (212) are spaced between two sheets of H-shaped steel (211) and connected to the two sheets of H-shaped steel (211). H-shaped steel (211) connection; Each of the beams (21) is provided with a second stiffening plate (213) near the corresponding steel pipe pile (11), and the steel pipe pile (11) corresponding to the second stiffening plate (213) is connected . 7. The drilling platform for deep-water shallow overburden riverbed as claimed in claim 1, further comprising: A plurality of connecting rod systems (4), each of the connecting rod systems (4) is connected to two adjacent steel pipe piles (11). 8. the drilling platform for deep water shallow overburden river bed as claimed in claim 7, is characterized in that, each described connecting bar system (4) all comprises: an upper chord (41), the upper chord (41) is connected to two corresponding adjacent steel pipe piles (11); a lower chord (42), the lower chord (42) is located on the lower side of the upper chord (41) and is connected to two corresponding adjacent steel pipe piles (11); A plurality of oblique rods (43), each of which is connected to the upper chord (41) and the lower chord (42). 9. The drilling platform for deep-water shallow overburden riverbed as claimed in claim 1, characterized in that: Each of the steel pipe piles (11) is provided with a reinforcement cage (13), and the lower end of the reinforcement cage (13) extends into the shallow overburden riverbed.

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