Plastic-lined steel pipe concrete composite member for ocean engineering

Abstract

The utility model discloses a plastic-lined steel pipe concrete combined member for ocean engineering, which comprises a basic steel plate and a structural steel column, a steel ring I and a steel ring II which are coaxially arranged up and down are arranged at the bottom end of the structural steel column, and a plurality of first support rods for supporting are arranged between the steel ring I and the steel ring II; a plurality of second supporting rods used for supporting are arranged between the second steel ring and the bottom of the structural steel column, a butt joint groove is formed in the upper surface of the foundation steel plate, and a combined connecting piece used for being matched with the first steel ring and the second steel ring to form fixed connection is arranged in the butt joint groove. Due to the design of the foundation steel plate, the structural steel column and the combined connecting piece, firm connection between the steel pipe and the foundation steel plate can be achieved, and the first steel ring, the second steel ring, the first supporting rod, the second supporting rod and the combined connecting piece jointly form a stable supporting structure. Therefore, the structural steel column can be stably fixed in the butt joint groove in the foundation steel plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ocean engineering more particularly, relate to a plastic lined steel pipe concrete combined component for ocean engineering. BACKGROUND

[0002] The steel pipe combined component is combined by the base steel plate or the steel pipe through welding, flange connection and the like, is used in various structures in the ocean engineering, such as platform, guide pipe frame, pipeline and the like, and the steel pipe combined component can be composed of the steel pipe or base steel plate of different specifications, material and shape, is spliced and welded according to design requirement, forms the shape and size required.

[0003] The ocean engineering structure needs to bear seawater pressure, scour and wave impact and the like, needs to bear huge tensile, compressive, bending moment and the like load, these loads can be transmitted to the flange connection part of the steel pipe combined component, under the long-term cyclic load of the ocean environment, fatigue failure is easy to occur, and fatigue failure usually shows sudden fracture, which seriously threatens the safety of the ocean engineering structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a plastic lined steel pipe concrete combined component for ocean engineering, to solve the long-term cyclic load of the ocean environment, fatigue failure is easy to occur, and the safety of the ocean engineering structure is easy to form the serious threat of the insufficient place, and convenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides a technical scheme as follows:

[0006] The utility model discloses a plastic lined steel pipe concrete combined component for ocean engineering, to solve the long-term cyclic load of the ocean environment, fatigue failure is easy to occur, and the safety of the ocean engineering structure is easy to form the serious threat of the insufficient place, and convenient to use.

[0007] Preferably, the butt joint groove is provided with a reserved slot on one side, and the reserved slot and the butt joint groove are communicated.

[0008] Preferably, the combined connecting piece comprises a steel ring three, two elastic connecting rods and a connecting hook arranged at the top end of the elastic connecting rod, the steel ring three is installed on the inner bottom surface of the butt joint groove, and the two elastic connecting rods are symmetrically arranged on the steel ring three.

[0009] Preferably, the outer diameter of the third steel ring is adapted to the inner diameter of the first steel ring, so that the first steel ring can be fitted on the third steel ring.

[0010] Preferably, the natural opening size between the two connecting hooks is smaller than the inner diameter of the second steel ring, so that the two connecting hooks can be tightly clamped on the second steel ring to form a stable connection.

[0011] Preferably, the width of the reserved slot is smaller than the inner diameter of the butt joint slot, and the reserved slot is used to fill concrete into the butt joint slot to form a fixed connection between the foundation steel plate and the structural steel column.

[0012] Preferably, the inner size of the butt joint slot is matched with the outer size of the structural steel column, and the combined height of the first steel ring, the second steel ring, the first support rod and the second support rod is lower than the depth of the butt joint slot.

[0013] The technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0014] The plastic-lined steel pipe concrete combined component for ocean engineering realizes the firm connection between the steel pipe and the foundation steel plate through the design of the foundation steel plate, the structural steel column and the combined connecting piece, and the first steel ring, the second steel ring, the first support rod, the second support rod, the third steel ring, the elastic connecting rod and the connecting hook in the combined connecting piece jointly form a stable support structure, so that the structural steel column can be stably fixed in the butt joint slot on the foundation steel plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structural diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the structural steel column of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the combined connecting piece of the utility model;

[0018] Figure 4 It is the structural schematic diagram of the combined connecting piece and the structural steel column assembly of the utility model.

[0019] In the drawing: 1, foundation steel plate; 11, butt joint slot; 12, reserved slot; 13, combined connecting piece; 131, third steel ring; 132, elastic connecting rod; 133, connecting hook; 2, structural steel column; 21, first steel ring; 22, second steel ring; 23, first support rod; 24, second support rod. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0021] In order to further understand the content of the present application, the present application will be described in detail in combination with the drawings.

[0022] In combination Figure 1 The present application is a plastic-lined steel pipe concrete composite component for ocean engineering, which comprises a base steel plate 1 and three structural steel columns 2 arranged in combination, the bottom end of the structural steel column 2 is provided with a steel ring 1 21 and a steel ring 2 22, the steel ring 2 22 is located at the upper end of the steel ring 1 21, the inner diameter of the steel ring 2 22 is smaller than that of the steel ring 1 21, a plurality of first supporting rods 23 for supporting are arranged between the steel ring 1 21 and the steel ring 2 22, a plurality of second supporting rods 24 for supporting are arranged between the steel ring 2 22 and the bottom of the structural steel column 2, the upper surface of the base steel plate 1 is provided with a butt joint groove 1 1, and the butt joint groove 1 1 is provided with a combined connecting piece 1 3 for cooperating with the steel ring 1 21 and the steel ring 2 22 to form a fixed connection.

[0023] The present application will be further described in combination with the embodiments.

[0024] In combination Figures 2-4 A reserved slot 1 2 is formed on one side of the butt joint groove 1 1, the reserved slot 1 2 and the butt joint groove 1 1 are in communication, the combined connecting piece 1 3 comprises a steel ring 3 131, two elastic connecting rods 1 32 and a connecting hook 1 33 arranged at the top end of the elastic connecting rod 1 32, the steel ring 3 131 is installed on the inner bottom surface of the butt joint groove 1 1, the two elastic connecting rods 1 32 are symmetrically arranged on the steel ring 3 131, the outer diameter size of the steel ring 3 131 is matched with the inner diameter size of the steel ring 1 21, so that the steel ring 1 21 can be fitted on the steel ring 3 131, and the natural opening size between the two connecting hooks 1 33 is smaller than the inner diameter size of the steel ring 2 22, so that each connecting hook 1 33 can be tightly clamped on the steel ring 2 22 to form a stable connection.

[0025] In addition, the width of the reserved slot 1 2 is smaller than the inner diameter of the butt joint groove 1 1, the reserved slot 1 2 is used to fill concrete into the butt joint groove 1 1 to reinforce the fixed connection between the base steel plate 1 and the structural steel column 2; the inner size of the butt joint groove 1 1 is matched with the outer size of the structural steel column 2, and the combined height of the steel ring 1 21, the steel ring 2 22, the first supporting rod 2 3 and the second supporting rod 2 4 is lower than the depth of the butt joint groove 1 1.

[0026] In this embodiment, when the base steel plate 1 and the structural steel column 2 are assembled with each other, the bottom end of the structural steel column 2 extends to the inside of the butt joint groove 11, the combined connecting piece 13 is aligned with the inner side of the steel ring one 21, and the structural steel column 2 is pressed downward, the elastic connecting rod 132 has a certain in-out oblique swing range on the steel ring three 131, and then the arc of the surface of the connecting hook 133 (preferably, in order to improve the installation convenience, the two connecting hooks 133 can also be inclined outward and downward) is used, when the steel ring two 22 presses the two connecting hooks 133, the two connecting hooks 133 are inwards and the two connecting hooks 133 are inwards, so that the combined connecting piece 13 smoothly passes through the steel ring one 21 and the steel ring two 22, the connecting hook 133 is staggered with the first supporting rod 23 and the second supporting rod 24, the steel ring one 21 is adaptively fitted on the outer side of the steel ring three 131, the steel ring three 131 is fixed on the inner bottom surface of the butt joint groove 11, and the steel ring one 21 and the steel ring three 131 are synchronously abutted with the inner bottom surface of the butt joint groove 11. At this time, by using the elasticity of the elastic connecting rod 132 itself, the two connecting hooks 133 are popped out to both sides, and then the steel ring two 22 and the connecting hook 133 present a kind of lock state, the rod body of the structural steel column 2 extends into the inside of the butt joint groove 11, and then the concrete is injected into the reserved slot 12, and the solid-liquid mixture is mixed between the combined connecting piece 13 and the assembled structure of the steel ring one 21, the steel ring two 22, the supporting rod 23 and the second supporting rod 24, until the opening of the reserved slot 12 is filled, and then the assembly is completed when the concrete is in a fixed state. Steel pipe and concrete are two materials with excellent mechanical properties, and the steel pipe is combined together by concrete, which can fully play the advantages of the two materials, form a structure with high strength and high stability, and the use of concrete can significantly enhance the corrosion resistance of the structure and improve the service life of the structure. In the marine environment, the concrete as a protective layer can effectively block the erosion of seawater and the attachment of marine organisms.

[0027] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic-lined steel pipe concrete composite component for ocean engineering, comprising a base steel plate (1) and a structural steel column (2) arranged at the upper end of the base steel plate (1), characterized in that: The bottom end of the structural steel column (2) is provided with a steel ring one (21) and a steel ring two (22) coaxially arranged, the steel ring two (22) is located at the upper end of the steel ring one (21), and the inner diameter of the steel ring two (22) is smaller than that of the steel ring one (21), a plurality of first supporting rods (23) for supporting are arranged between the steel ring one (21) and the steel ring two (22), a plurality of second supporting rods (24) for supporting are arranged between the steel ring two (22) and the bottom of the structural steel column (2), the upper surface of the foundation steel plate (1) is provided with a butt joint groove (11), and the inside of the butt joint groove (11) is provided with a combined connecting piece (13) for cooperating with the steel ring one (21) and the steel ring two (22) to form a fixed connection.

2. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 1, characterized in that: A reserved slot (12) is formed on one side of the butt joint groove (11), and the reserved slot (12) and the butt joint groove (11) are communicated.

3. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 1, characterized in that: The combined connecting piece (13) comprises a steel ring three (131), two elastic connecting rods (132) and a connecting hook (133) arranged at the top of the elastic connecting rod (132), the steel ring three (131) is installed on the inner bottom surface of the butt joint groove (11), and the two elastic connecting rods (132) are symmetrically arranged on the steel ring three (131).

4. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 3, characterized in that: The outer diameter of the steel ring three (131) is matched with the inner diameter of the steel ring one (21), so that the steel ring one (21) can be fitted on the steel ring three (131).

5. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 3, characterized in that: The natural opening size between the two connecting hooks (133) is smaller than the inner diameter of the steel ring two (22), so that each connecting hook (133) can be tightly clamped on the steel ring two (22) to form a stable connection.

6. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 2, characterized in that: The width of the reserved slot (12) is smaller than the inner diameter of the butt joint groove (11), and the reserved slot (12) is used to fill concrete into the butt joint groove (11) to reinforce the fixed connection between the foundation steel plate (1) and the structural steel column (2).

7. A plastic lined steel pipe concrete composite member for offshore engineering according to claim 1, characterized in that: The inner size of the butt joint groove (11) is matched with the outer size of the structural steel column (2), and the combined height of the steel ring one (21), the steel ring two (22), the first supporting rod (23) and the second supporting rod (24) is lower than the depth of the butt joint groove (11).

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