Concrete steel pipe connecting structure

Abstract

The utility model discloses a concrete steel pipe connecting structure which comprises a round pipe, a round cover plate, a reinforcing steel bar and a steel plate. The round cover plate is located above the round pipe, the round cover plate is fixedly connected with the round pipe, and the round cover plate blocks an upper end opening of the round pipe. The lower ends of the steel bars are fixedly connected to the upper end face of the round cover plate, and the steel bars are distributed in the circumferential direction of the round cover plate and define a pouring area. The lower end of the steel plate is fixedly connected to the upper end face of the round cover plate. When the circular pipe needs to be connected with the concrete column, concrete is poured into the pouring area, the steel plates can improve the shear bearing capacity of the contact face of the concrete and the circular pipe, the steel bars can improve the bearing capacity of the concrete and enhance the shock resistance, and cracking and aging of the concrete are delayed. By means of the concrete steel pipe connecting structure, stable connection of the circular pipe and the concrete column can be guaranteed, and the connecting structure is high in stability and long in service life.

Description

Technical Field

[0001] This utility model relates to the field of steel structure technology, and in particular to a concrete-steel pipe connection structure. Background Technology

[0002] In daily production, some steel pipes need to be connected to concrete columns. Usually, steel bars need to be installed on the steel pipes before concrete is poured. Once the concrete has solidified, it forms a concrete column. The current connection method between steel pipes and concrete columns is complex and the connection is unstable. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in related technologies. To this end, this utility model proposes a concrete-steel pipe connection structure.

[0004] This utility model embodiment provides a concrete-steel pipe connection structure, the concrete-steel pipe connection structure comprising:

[0005] Round tube;

[0006] A circular cover plate is located above the circular tube and is fixedly connected to the circular tube, thereby sealing the upper end of the circular tube.

[0007] The lower end of the reinforcing bars is fixedly connected to the upper end face of the circular cover plate, and a plurality of the reinforcing bars are distributed along the circumference of the circular cover plate, forming a casting area.

[0008] A steel plate, the lower end of which is fixedly connected to the upper surface of the circular cover plate, is located within the casting area.

[0009] The concrete-steel pipe connection structure according to this utility model embodiment has at least the following technical effects: When a circular pipe needs to be connected to a concrete column, concrete is poured into the pouring area. The steel plate can improve the shear bearing capacity of the contact surface between the concrete and the circular pipe, and the reinforcing steel can improve the bearing capacity and seismic resistance of the concrete, delaying the cracking and aging of the concrete. Using this concrete-steel pipe connection structure can ensure the stability of the connection between the circular pipe and the concrete column. This connection structure has strong stability and a long service life.

[0010] According to some embodiments of this utility model, the cross-section of the steel plate is cross-shaped.

[0011] According to some embodiments of the present invention, the circular cover plate is provided with grouting holes, and the circular cover plate is connected by a plurality of shear studs.

[0012] According to some embodiments of the present invention, a plurality of the grouting holes are distributed circumferentially along the circular cover plate.

[0013] According to some embodiments of this utility model, viewed from top to bottom, the steel plate is radially distributed from the center outwards, and the steel plate divides the casting area into multiple small areas, with each of the multiple grouting holes corresponding to one of the multiple small areas.

[0014] According to some embodiments of the present invention, the circular cover plate is fixed to the circular tube by welding.

[0015] According to some embodiments of the present invention, the upper end face of the circular cover plate is provided with a plurality of sleeves, the plurality of sleeves are distributed along the circumference of the circular cover plate, the plurality of sleeves correspond one-to-one with the plurality of reinforcing bars, and the lower end of the reinforcing bar is inserted into the sleeve and fixedly connected to the sleeve.

[0016] According to some embodiments of this utility model, the reinforcing bar is threadedly connected to the sleeve.

[0017] According to some embodiments of the present invention, the circular cover plate is coaxially arranged with the circular tube, and the thickness of the circular cover plate is greater than or equal to the wall thickness of the circular tube.

[0018] According to some embodiments of this utility model, the wall thickness of the steel plate is greater than or equal to the wall thickness of the circular tube.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a structural schematic diagram of a concrete-steel pipe connection structure according to some embodiments of this utility model;

[0022] Figure 2 This is a cross-sectional view of a concrete-steel pipe connection structure according to some embodiments of this utility model;

[0023] Figure 3 This is a partial structural schematic diagram of a concrete-steel pipe connection structure according to some embodiments of this utility model.

[0024] Icon labels:

[0025] 100 round pipe, 110 round cover plate, 120 steel bar, 130 steel plate, 140 grouting hole, 150 pouring area, 151 small area, 160 sleeve, 170 shear stud. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0031] According to some embodiments of this utility model, refer to Figures 1 to 3 The concrete-steel pipe connection structure includes a circular pipe 100, a circular cover plate 110, reinforcing bars 120, and a steel plate 130. The circular cover plate 110 is located above the circular pipe 100, coaxially arranged with it. Both the circular cover plate 110 and the circular pipe 100 have their axes pointing vertically. The circular cover plate 110 is fixedly connected to the circular pipe 100, sealing the upper end of the circular pipe 100. The reinforcing bars 120 are arranged vertically, with their lower ends fixedly connected to the upper surface of the circular cover plate 110. Multiple reinforcing bars 120 are distributed circumferentially around the circular cover plate 110, forming a pouring area 150. The lower end of the steel plate 130 is fixedly connected to the upper surface of the circular cover plate 110, and the steel plate 130 is located within the pouring area 150.

[0032] Understandably, when the circular pipe 100 needs to be connected to a concrete column, concrete is poured into the pouring area 150. The circular cover plate 110 can prevent most of the concrete from falling into the inner cavity of the circular pipe 100, the steel plate 130 can improve the shear bearing capacity of the contact surface between the concrete and the circular pipe 100, and the reinforcing steel bar 120 can improve the load-bearing capacity of the concrete and enhance its seismic resistance, while delaying the cracking and aging of the concrete. After the concrete is fixed, a concrete column is formed. Using this concrete-steel pipe connection structure can ensure the stability of the connection between the circular pipe 100 and the concrete column, and ensure a long service life.

[0033] According to some embodiments of this utility model, refer to Figure 1 The cross-section of the steel plate 130 is cross-shaped, and the steel plate 130 is located inside the shaped concrete, thereby improving the shear bearing capacity of the contact surface between the concrete and the circular pipe 100.

[0034] According to some embodiments of this utility model, refer to Figure 1 and Figure 3 The circular cover plate 110 is provided with grouting holes 140, and the circular cover plate 110 is connected by multiple shear studs 170. The shear studs 170 can improve the shear bearing capacity of the contact surface between the concrete and the circular pipe 100, allowing the concrete to be poured from top to bottom into the pouring area 150, and simultaneously poured from bottom to top into the pouring area 150 through the grouting holes 140, facilitating the compaction of the concrete. Preferably, the multiple grouting holes 140 are distributed circumferentially along the circular cover plate 110, improving pouring efficiency and facilitating uniform concrete distribution.

[0035] According to some embodiments of this utility model, viewed from top to bottom, the steel plate 130 is radially distributed from the center outwards, dividing the pouring area 150 into multiple small areas 151. Multiple grouting holes 140 correspond one-to-one with each of the multiple small areas 151. The steel plate 130 can be shaped like a cross or a star when viewed from top to bottom, improving the shear bearing capacity of the concrete. This division into multiple small areas 151, with each grouting hole 140 corresponding to a specific small area 151, improves pouring efficiency and facilitates uniform concrete distribution.

[0036] Preferably, the round cover plate 110 is fixed to the round tube 100 by welding, which provides strong welding stability; it may also be fixed by bolts.

[0037] According to some embodiments of this utility model, refer to Figures 1 to 3The upper surface of the circular cover plate 110 is provided with multiple sleeves 160. The lower ends of the sleeves 160 are welded to the upper surface of the circular cover plate 110. The multiple sleeves 160 are distributed circumferentially along the circular cover plate 110. Each sleeve 160 corresponds to a multiple reinforcing bar 120. The lower end of the reinforcing bar 120 is inserted into the sleeve 160 and fixedly connected to the sleeve 160. Preferably, the inner cavity of the sleeve 160 is provided with internal threads, and the outer wall of the reinforcing bar 120 is provided with external threads. The reinforcing bar 120 is threadedly connected to the sleeve 160, so that the reinforcing bar 120 can be quickly fixedly installed on the circular cover plate 110, improving work efficiency.

[0038] According to some embodiments of this utility model, the thickness of the circular cover plate 110 is greater than or equal to the wall thickness of the circular pipe 100. The wall thickness of the steel plate 130 is greater than or equal to the wall thickness of the circular pipe 100, thereby improving the connection stability between the concrete and the circular pipe 100.

[0039] In this specification, the reference to the term "some embodiments" means that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0040] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A concrete-steel pipe connection structure, characterized in that, include: Circular tube (100); A circular cover plate (110) is located above the circular tube (100). The circular cover plate (110) is fixedly connected to the circular tube (100) and the circular cover plate (110) blocks the upper port of the circular tube (100). The lower end of the reinforcing bar (120) is fixedly connected to the upper end face of the circular cover plate (110), and a plurality of the reinforcing bars (120) are distributed circumferentially along the circular cover plate (110) to form a casting area (150). A steel plate (130) is fixedly connected at its lower end to the upper end face of the circular cover plate (110), and the steel plate (130) is located within the casting area (150).

2. The concrete-steel pipe connection structure according to claim 1, characterized in that, The steel plate (130) has a cross-shaped cross section.

3. The concrete-steel pipe connection structure according to claim 1, characterized in that, The circular cover plate (110) is provided with grouting holes (140), and the circular cover plate (110) is connected with a plurality of shear studs (170).

4. The concrete-steel pipe connection structure according to claim 3, characterized in that, The plurality of grouting holes (140) are distributed circumferentially along the circular cover plate (110).

5. The concrete-steel pipe connection structure according to claim 4, characterized in that, Viewed from top to bottom, the steel plate (130) is radially distributed from the center outwards. The steel plate (130) divides the pouring area (150) into multiple small areas (151), and the multiple grouting holes (140) correspond one-to-one with the multiple small areas (151).

6. The concrete-steel pipe connection structure according to claim 1, characterized in that, The circular cover plate (110) is fixed to the circular tube (100) by welding.

7. The concrete-steel pipe connection structure according to claim 1, characterized in that, The upper surface of the circular cover plate (110) is provided with a plurality of sleeves (160), which are distributed around the circumference of the circular cover plate (110). The plurality of sleeves (160) correspond one-to-one with the plurality of steel bars (120). The lower end of the steel bar (120) is inserted into the sleeve (160) and fixedly connected to the sleeve (160).

8. The concrete-steel pipe connection structure according to claim 7, characterized in that, The reinforcing bar (120) is threadedly connected to the sleeve (160).

9. The concrete-steel pipe connection structure according to claim 1, characterized in that, The circular cover plate (110) is coaxially arranged with the circular tube (100), and the thickness of the circular cover plate (110) is greater than or equal to the wall thickness of the circular tube (100).

10. The concrete-steel pipe connection structure according to claim 1, characterized in that, The wall thickness of the steel plate (130) is greater than or equal to the wall thickness of the circular tube (100).

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