Connecting device of steel structure and steel structure assembly

Abstract

The utility model relates to a steel structure connecting device and a steel structure assembly, and the connecting device comprises a shell which is used for being arranged at a to-be-connected part of a steel structure component and is integrally arranged with the steel structure component; the connecting piece is used for connecting the two shells so as to connect the two steel structural members; and the concrete is poured into the shell through the pouring hole and covers the part, extending into the shell, of the connecting piece. The shells are arranged on the to-be-connected parts of the steel structural members, the two ends of the connecting piece extend into the two shells correspondingly and are connected with the shells so that the two shells can be connected, and therefore the two steel structural members can be connected, concrete is poured into the shells through the pouring holes, the part, extending into the shells, of the connecting piece is covered, and the connecting piece can be connected with the steel structural members. And after the concrete is solidified, the connecting piece is fixed, so that the bearing capacity of the connecting piece is increased, a welding connecting mode is replaced, and the purpose of quickly and firmly connecting the steel structural members is achieved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of steel structure connection, and in particular, to a steel structure connection device and a steel structure assembly. Background Art

[0002] At present, welding is usually used to connect steel structure components in marine engineering. As the offshore platform structure becomes larger and more complex, the thickness of the steel plate and the requirements for welds are also increasing. Due to the large welding workload and the difficulty of node welding, and the uneven heat conduction between the components due to different welding temperatures during the welding process, uneven local deformation occurs and the extrusion between the components turns into overall deformation. Therefore, the risk of damage to steel structure components due to welding quality problems is also increasing. Utility Model Content

[0003] The purpose of the present disclosure is to provide a connection device and a steel structure assembly for a steel structure, which can solve the above-mentioned technical problems.

[0004] In order to achieve the above-mentioned purpose, the present disclosure provides a connection device for a steel structure, comprising: a shell, which is used to be arranged at a position to be connected of a steel structure member and is integrally arranged with the steel structure member; a connecting piece, which is used to connect two of the shells to connect the two steel structure members, and an end of the connecting piece extends into the shell and is connected to the shell; and concrete, wherein a pouring hole is provided on the shell, and the concrete is poured into the shell through the pouring hole and covers the part of the connecting piece extending into the shell.

[0005] Optionally, the steel structure member is a cylindrical structure, and the shell is provided with a partition plate on one side for connecting with the steel structure member to separate the concrete, and a flange on the other side for connecting with other shells.

[0006] Optionally, the connecting member is constructed as a screw rod, a threaded hole is provided on the flange, and two ends of the screw rod extend into the two shells through the threaded holes respectively and are fastened by a first nut.

[0007] Optionally, the connecting device also includes a tensile end plate and a second nut. The end of the screw is provided with a connecting end with a diameter smaller than the diameter of the screw. A clamping plate is formed between the connecting end and the screw. The tensile end plate is sleeved on the connecting end and abuts against the clamping plate. The tensile end plate is arranged perpendicular to the extension direction of the screw. The second nut is threadedly connected to the connecting end and is arranged on the outside of the tensile end plate to fasten the tensile end plate.

[0008] Optionally, a manhole is provided on the shell to allow personnel to enter the shell.

[0009] Optionally, the shell includes a first shell and a second shell, and the first shell is provided with a shear key protruding from the first shell on a side away from the steel structure member, and holes are opened at both opposite ends of the shear key to connect the first shell with the second shell, and the second shell is provided with a mounting hole for inserting the shear key on a side away from the steel structure member, and the diameter of the mounting hole is larger than the outer diameter of the shear key.

[0010] Optionally, one of the first shell or the second shell is provided with a first positioning sleeve along the circumferential direction at an edge of one side away from the steel structure member, and the other of the two is provided with a second positioning sleeve along the circumferential direction at an edge of one side away from the steel structure member, and the aperture of the first positioning sleeve is larger than the aperture of the second positioning sleeve so that the two can be plugged in.

[0011] Optionally, the tops of the first positioning sleeve and the second positioning sleeve are both provided with openings for pouring the concrete between the first shell and the second shell.

[0012] Optionally, the connecting device is used to connect marine engineering steel structure components.

[0013] The present disclosure also provides a steel structure assembly, comprising: a steel structure member; and the above-mentioned connecting device for the steel structure, wherein the connecting device is arranged on one end or both ends of the steel structure member.

[0014] Through the above technical scheme, in the connection device for steel structure provided by the present disclosure, the shell is arranged on the part of the steel structure member to be connected, and the two ends of the connecting piece extend into the two shells respectively and are connected to the shells to connect the two shells, thereby connecting the two steel structure members, pouring concrete into the shells through the pouring holes and covering the part where the connecting piece extends into the shells, and fixing the connecting piece after the concrete solidifies to increase the bearing capacity of the connecting piece, so as to replace the welding connection method and achieve the purpose of quickly and firmly connecting the steel structure members.

[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0017] Figure 1 is a top view of a steel structure assembly in the present disclosure;

[0018] Figure 2 is a schematic diagram of the structure of the steel structure assembly in the present disclosure;

[0019] Figure 3 is a cross-sectional view of a connection device for a steel structure in the present disclosure;

[0020] Figure 4 It is a schematic diagram of the installation of the connecting piece in the present disclosure.

[0021] Description of Reference Numerals

[0022] 1. Steel structure member; 2. Shell; 21. First shell; 211. First positioning sleeve; 212. Shear key; 22. Second shell; 221. Second positioning sleeve; 222. Mounting hole; 23. Partition; 24. Casting hole; 25. Manhole; 26. Flange; 27. Threaded hole; 3. Concrete; 4. Connector; 5. First nut; 6. Tensile end plate; 7. Second nut. DETAILED DESCRIPTION

[0023] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0024] In the present disclosure, unless otherwise stated, the directional words used, such as "top" and "bottom", generally refer to the top and bottom of the corresponding component in the direction of gravity when in use, and "inside" and "outside" refer to the inside and outside relative to the outline of the component or structure itself. In addition, it should be noted that the terms used, such as "first" and "second", etc., are used to distinguish one element from another element and do not have order and importance. In addition, in the description with reference to the drawings, the same mark in different drawings represents the same element.

[0025] The present disclosure provides a connection device for a steel structure, comprising: a shell 2, which is used to be arranged at a position to be connected of a steel structure member 1 and is integrally arranged with the steel structure member 1; a connector 4, which is used to connect two shells 2 to connect the two steel structure members 1, and the end of the connector 4 extends into the shell 2 and is connected to the shell 2; and concrete 3, the shell 2 is provided with a pouring hole 24, and the concrete 3 is poured into the shell 2 through the pouring hole 24 and covers the part of the connector 4 extending into the shell 2.

[0026] Through the above technical scheme, in the connection device for steel structure provided by the present invention, the shell 2 is arranged on the part of the steel structure member 1 to be connected, and the shell 2 and the steel structure member 1 are arranged integrally, which is convenient for processing on the one hand, without adding another connection process, and on the other hand, it is more secure than connection methods such as welding. The two ends of the connecting piece 4 extend into the two shells 2 respectively and are connected to the shells 2 to connect the two shells 2, thereby connecting the two steel structure members 1, pouring concrete 3 into the shell 2 through the pouring hole 24 and covering the part of the shell 2 extended by the connecting piece 4, and fixing the connecting piece 4 after the concrete 3 solidifies to increase the bearing capacity of the connecting piece 4, so as to replace the welding connection method and achieve the purpose of quickly and securely connecting the steel structure member 1.

[0027] As an optional implementation, Figure 1-4 As shown, the steel structure member 1 is a cylindrical structure, and a shell 2 is provided with a partition 23 on one side for connecting with the steel structure member 1 to separate the concrete 3, and a flange 26 is provided on the other side for connecting with other shells 2. The shell 2 is connected to the end of the cylindrical structure and is consistent with the outer diameter and shape of the cylindrical structure. The partition 23 separates the shell 2 from the cylindrical structure to prevent the concrete 3 from flowing into the steel structure member 1, and a flange 26 is provided on the other side of the shell 2 for connecting with other shells 2.

[0028] Alternatively, if Figure 2 and Figure 4 As shown, the connector 4 can be constructed as any suitable structure. For example, in the present disclosure, the connector 4 is constructed as a screw, and a threaded hole 27 is provided on the flange 26. The two ends of the screw extend into the two housings 2 through the threaded holes 27 and are fastened by the first nut 5. The screw is threadedly connected to the flange 26 and extends into the housing 2. The first nut 5 is arranged on the inner side of the flange 26. The first nuts 5 are provided at both ends of the screw to further fasten the screw to increase the tensile resistance of the screw. In other embodiments, the connector 4 can also be a bolt, and there is a certain distance between one end of the bolt with a screw head and the flange 26 so that the concrete 3 covers it, and the other end is connected to the first nut 5.

[0029] Alternatively, if Figure 4 As shown, the connecting device also includes a tensile end plate 6 and a second nut 7. The end of the screw is provided with a connecting end with a diameter smaller than the diameter of the screw, and a clamping platform is formed between the connecting end and the screw. The tensile end plate 6 is sleeved on the connecting end and contacts the clamping platform. The tensile end plate 6 is arranged perpendicular to the extension direction of the screw. The second nut 7 is threadedly connected to the connecting end and is arranged on the outside of the tensile end plate 6 to tighten the tensile end plate 6. The diameter of the tensile end plate 6 is larger than the diameter of the screw, which can increase the contact area with the concrete 3, thereby improving the bearing capacity of the screw.

[0030] Alternatively, if Figure 1-2As shown, a manhole 25 is provided on the shell 2 to allow personnel to enter the shell 2. The staff enters the shell 2 through the manhole 25 to operate the screw, the first nut 5, and the second nut 7. After aligning the two shells 2, the screw is placed into one of the shells 2 through the manhole 25. The staff enters the shell 2 through the manhole 25 and passes the screw through the threaded holes 27 on the two shells 2 in turn, and then installs the first nut 5, the tensile end plate 6 and the second nut 7. The staff also enters the other shell 2 to install the first nut 5, the tensile end plate 6 and the second nut 7.

[0031] As an optional implementation, Figure 1-2 As shown, the shell 2 includes a first shell 21 and a second shell 22. The first shell 21 is provided with a shear key 212 protruding from the first shell 21 on one side away from the steel structure member 1. The opposite ends of the shear key 212 are both opened to connect the first shell 21 with the second shell 22. The second shell 22 is provided with a mounting hole 222 for inserting the shear key 212 on one side away from the steel structure member 1. The aperture of the mounting hole 222 is larger than the outer diameter of the shear key 212. The first shell 21 or the second shell 22 can be provided at both ends of a steel structure member 1. The first shell 21 can also be provided at one end and the second shell 22 can be provided at the other end. Of course, the first shell 22 can also be provided at only one end. 1 or the second shell 22, as long as the two steel structure members 1 are connected when the first shell 21 is connected to the second shell 22, a shear key 212 is provided on one side of the first shell 21, and a mounting hole 222 is provided on one side of the second shell 22. When connected, the shear key 212 is inserted into the mounting hole 222, and then covered with concrete 3 to resist shear force and increase bearing capacity. Holes are opened at both ends of the shear key 212, so that the concrete 3 in the first shell 21 and the second shell 22 can be integrated with each other to improve connectivity; in addition, the aperture of the mounting hole 222 is larger than the outer diameter of the shear key 212, so that the shear key 212 can be easily inserted into the mounting hole 222 for easy installation.

[0032] Optionally, a first positioning sleeve 211 is provided along the circumferential direction on the edge of one side of the first shell 21 or the second shell 22 away from the steel structure member 1, and a second positioning sleeve 221 is provided along the circumferential direction on the edge of one side of the other away from the steel structure member 1, and the aperture of the first positioning sleeve 211 is larger than the aperture of the second positioning sleeve 221 so that the two can be plugged in, for example, the first positioning sleeve 211 is arranged on the first shell 21, and the second positioning sleeve 221 is arranged on the second shell 22, and the first positioning sleeve 211 and the second positioning sleeve 221 are plugged in, which is used for precise positioning between the two steel structure members 1, and at the same time, the connection parts are protected to improve the corrosion resistance of the connection parts. Of course, in other embodiments, the first positioning sleeve 211 with an aperture larger than the outer diameter of the shell 2 can also be provided on only one of the first shell 21 or the second shell 22, and then the other of the two can be directly inserted into the first positioning sleeve 211.

[0033] Optionally, the tops of the first positioning sleeve 211 and the second positioning sleeve 221 are both provided with openings for pouring concrete 3 between the first shell 21 and the second shell 22. Since the first positioning sleeve 211 and the second positioning sleeve 221 are provided, a gap is provided between the first shell 21 and the second shell 22. Openings are provided on the tops of the first positioning sleeve 211 and the second positioning sleeve 221, and concrete 3 is poured at the openings to increase the connectivity between the first shell 21 and the second shell 22. At the same time, the concrete 3 covers the connecting piece 4 to increase the durability and firmness of the connecting piece 4.

[0034] As an optional embodiment, the connecting device is used to connect marine engineering steel structure components. Marine engineering steel structures are becoming increasingly large-scale and complex, and the thickness of the steel plates and weld requirements of their components are also constantly increasing. The use of the connecting device disclosed in the present invention can replace the welding connection method to achieve the purpose of quickly and firmly connecting the steel structure components 1.

[0035] like Figure 1-2 As shown, the present disclosure also provides a steel structure assembly, including: a steel structure member 1; and the above-mentioned connecting device for steel structure, the connecting device is arranged on one end or both ends of the steel structure member 1, and the two steel structure members 1 can be quickly and firmly connected through the connecting device.

[0036] In actual use, the first shell 21 and the second shell 22 on the two steel structure members 1 are aligned and positioned through the first positioning sleeve 211 and the second positioning sleeve 221, and the screw is placed into the shell 2 through the manhole 25. The staff enters the shell 2 through the manhole 25, connects the screw with the flange 26 and installs the first nut 5, the tensile end plate 6 and the second nut 7. Then the staff withdraws and pours the concrete 3 through the pouring hole 24 and the openings at the top of the first positioning sleeve 211 and the second positioning sleeve 221, so that the interior of the first shell 21 and the second shell 22 and the space between the two are filled with concrete 3. The concrete 3 can be made of micro-expansion concrete and vibrated to be dense. After reaching the design strength, the connection operation of the steel structure member 1 is completed. Micro-expansion concrete refers to adding a certain expansion agent to ordinary concrete 3, so that the concrete 3 can expand to a certain extent during the hydration period by relying on the action of the expansion agent, thereby compensating for the shrinkage of the concrete 3, achieving the purpose of preventing and controlling cracks in the concrete 3 and improving the performance of the concrete 3.

[0037] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0038] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0039] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A connection device for a steel structure, characterized in that: include: A shell, which is used to be arranged at a position to be connected with the steel structure member and is arranged integrally with the steel structure member; A connecting piece, used to connect the two shells to connect the two steel structural members, an end of the connecting piece extending into the shell and connected to the shell; as well as Concrete, a pouring hole is provided on the shell, and the concrete is poured into the shell through the pouring hole and covers the part of the connecting piece extending into the shell.

2. The connecting device of the steel structure according to claim 1, characterized in that: The steel structure member is a cylindrical structure. The shell is provided with a partition plate on one side for connecting with the steel structure member to separate the concrete, and a flange on the other side for connecting with other shells.

3. The connecting device of the steel structure according to claim 2, characterized in that: The connecting member is constructed as a screw rod, and a threaded hole is provided on the flange. Two ends of the screw rod extend into the two housings through the threaded holes respectively and are fastened by a first nut.

4. The connecting device of the steel structure according to claim 3, characterized in that: The connecting device also includes a tensile end plate and a second nut. The end of the screw rod is provided with a connecting end with a diameter smaller than the diameter of the screw rod. A clamping plate is formed between the connecting end and the screw rod. The tensile end plate is sleeved on the connecting end and abuts against the clamping plate. The tensile end plate is arranged perpendicular to the extension direction of the screw rod. The second nut is threadedly connected to the connecting end and is arranged on the outside of the tensile end plate to fasten the tensile end plate.

5. The connecting device of the steel structure according to claim 3 or 4, characterized in that: The shell is provided with a manhole to allow personnel to enter the shell.

6. The connecting device of the steel structure according to claim 1, characterized in that: The shell includes a first shell and a second shell, and a shear key protruding from the first shell is provided on a side of the first shell away from the steel structure member, and holes are opened at opposite ends of the shear key to connect the first shell with the second shell, and a mounting hole for inserting the shear key is opened on a side of the second shell away from the steel structure member, and the hole diameter of the mounting hole is larger than the outer diameter of the shear key.

7. The connecting device of the steel structure according to claim 6, characterized in that: One of the first shell or the second shell is provided with a first positioning sleeve along the circumferential direction at a side edge away from the steel structure component, and the other of the two is provided with a second positioning sleeve along the circumferential direction at a side edge away from the steel structure component. The aperture of the first positioning sleeve is larger than the aperture of the second positioning sleeve so that the two can be plugged in.

8. The connecting device of the steel structure according to claim 7, characterized in that: The tops of the first positioning sleeve and the second positioning sleeve are both provided with openings for pouring the concrete between the first shell and the second shell.

9. The connecting device of steel structure according to claim 1, characterized in that: The connecting device is used for connecting marine engineering steel structure components.

10. A steel structure component, characterized in that: include: Steel structural components; as well as According to the connecting device of the steel structure according to any one of claims 1 to 9, the connecting device is arranged on one end or both ends of the steel structure member.

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