Up-and-down connection joint of outer sleeve circular pipe and bolt and / or plug welding circular steel pipe column

Abstract

The utility model relates to the technical field of buildings, in particular to an up-and-down connecting node of an outer sleeve circular pipe and a bolt and / or a plug welding circular steel pipe column, which is used for connecting adjacent components in an elevator steel structure module unit. The elevator steel structure module unit comprises an upper module column and a lower module column which are connected through a plate. The circular pipe is sleeved on the upper module column and / or the lower module column; the circular pipes are connected with the upper module columns and / or the lower module columns through bolts and / or plug welding spots. Different elevator steel structure module units are selected according to the conditions of floors, construction equipment and the like and are machined in a factory and transported to a site to be assembled, and the site construction working face and the influence on office and daily life of surrounding residents are reduced; the elevator steel structure module unit can be rapidly installed on site, according to site conditions, combined connection of the outer sleeve circular pipe and the self-locking type one-way high-strength bolt, combined connection of the outer sleeve circular pipe and the plug welding, combined connection of the outer sleeve circular pipe and the self-locking type one-way high-strength bolt and the plug welding and the like can be selected, site welding is reduced, and construction quality is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of building technology, and particularly relates to an upper and lower connection node of a circular steel pipe column with an outer circular pipe, bolts and / or plug welding. Background Art

[0002] With the rapid development of China's economy and the acceleration of the urbanization process, the original elevators in public construction projects such as industrial buildings, office buildings, schools and hospitals are difficult to meet the current market demand; in addition, due to historical legacy problems in projects such as old residential areas and pedestrian overpasses, the installation of elevators was not considered in the original design. To solve the above social needs, a batch of elevators that can be installed and meet the daily travel and work of urban residents are required; therefore, a steel structure modular elevator that can be installed appears in the existing technology. Common steel structure modular elevators generally adopt a steel frame structure system, and the steel frame structure system can adopt the following forms: a combination form of rectangular steel pipe columns or circular steel pipe columns and rectangular steel pipe beams or I-shaped steel beams, a combination form of I-shaped steel columns and I-shaped steel beams, a beam-column connection form, and a column-column connection form, etc. The steel frame structure system generally adopts welded connections according to the on-site situation, with a large on-site construction operation area, slow construction speed, and a large construction site required on-site, seriously affecting the life and work of surrounding residents. Content of the Utility Model

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects that the steel frame structure system of the existing installed elevator adopts welded connections according to the on-site situation, with a large on-site construction operation area, slow construction speed, and a large construction site required on-site, seriously affecting the life and work of surrounding residents.

[0004] To overcome the above defects, the utility model provides an upper and lower connection node of a circular steel pipe column with an outer circular pipe, bolts and / or plug welding, including:

[0005] An upper module column;

[0006] A lower module column, located below the upper module column, and the top end of the lower module column is welded to the bottom end of the upper module column through a plate;

[0007] A circular pipe, sleeved on the upper module column and / or the lower module column; and the circular pipe is welded to the plate; the circular pipe is connected to the upper module column and / or the lower module column through bolts and / or plug welding points.

[0008] Optionally, both the upper module column and the lower module column are circular pipes.

[0009] Optionally, the bolts are self-locking bolts.

[0010] Optionally, the specification of the self-locking bolts is not less than M16.

[0011] Optionally, the outer peripheries at both ends of the circular tube are welded to the outer peripheries of the upper module column and / or the lower module column.

[0012] Optionally, the welding form between the outer peripheries at both ends of the circular tube and the upper module column and / or the lower module column is circumferential welding or intermittent welding.

[0013] Optionally, the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns are adapted to be detachably connected to the position of the inflection point of the floor.

[0014] Optionally, multiple upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns are connected to form an elevator steel structure module unit, and the number and respective sizes of the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns are determined according to the storey height of the floor.

[0015] Optionally, a connection point connected to the position of the inflection point of the floor is provided at the top end of the elevator steel structure module unit.

[0016] Optionally, the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns are adapted to be prefabricated and processed in the factory in advance.

[0017] The above technical solution of the present utility model has the following advantages compared with the prior art:

[0018] 1. The upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns provided by the present utility model include: an upper module column; a lower module column located below the upper module column, and the top end of the lower module column is welded and connected to the bottom end of the upper module column through a plate member; a circular tube sleeved on the upper module column and / or the lower module column; and the circular tube is welded to the plate member; the circular tube is connected to the upper module column and / or the lower module column through bolts and / or plug-weld points. By adopting the above technical solution, the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns can be quickly connected and installed, which can not only meet the requirements of rapid construction and convenient construction, but also reduce the on-site construction site, save the construction operation surface, reduce the welding processes such as on-site full-penetration welding and fillet welding, effectively ensure the construction quality of the steel structure; and can reduce the impact on the lives and work of surrounding residents, and is convenient for transportation. In the later stage, if the building function changes, the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns can be removed and reinstalled.

[0019] 2. The upper and lower connection nodes of the outer circular tube of the present utility model with bolts and / or plug-welded circular steel pipe columns are suitable for detachable connection at the inflection point position of the floor; by adopting the above technical solution in this application, it is convenient to remove during the later change of floor functions, and then reinstall the new ones, and recycle repeatedly, reducing the project cost; in addition, when connecting at the inflection point of the floor, there is basically only shear force at the inflection point and the bending moment is zero, which can reliably transmit axial force and shear force, enhancing the safety and reliability of the connection.

[0020] 3. The present utility model connects multiple upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns to form an elevator steel structure module unit, and determines the quantity and respective dimensions of the upper and lower connection nodes of the outer circular tube with bolts and / or plug-welded circular steel pipe columns according to the floor height; by adopting the above technical solution in this application, the elevator steel structure module unit can be quickly connected and installed, which can not only meet the requirements of rapid construction and convenient construction, but also reduce the on-site construction site, reduce welding processes such as on-site full-penetration welding and fillet welding, and reduce the impact on the lives and work of surrounding residents. In addition, when the floor function changes later, it is convenient to remove the elevator steel structure module unit and then reinstall the newly added elevator steel structure module unit, recycle repeatedly, and reduce the project cost.

[0021] 4. The upper and lower connection nodes of the outer circular tube of the present utility model with bolts and / or plug-welded circular steel pipe columns are suitable for prefabrication and processing in the factory in advance; by adopting the above technical solution in this application, prefabrication and processing are carried out in the factory in advance, reducing the on-site construction operation area and the impact on the work and daily life of surrounding residents. Description of the Drawings

[0022] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of the lower outer circular tube provided in Embodiment 1 of the present utility model;

[0024] Figure 2 It is Figure 1 the sectional structural diagram of;

[0025] Figure 3 It is a schematic structural diagram of the upper and lower connection nodes of the lower outer circular tube and the circular steel pipe column with bolts provided in Embodiment 1 of the present utility model;

[0026] Figure 4 It is Figure 3 the sectional structural diagram of;

[0027] Figure 5 Schematic diagram of the upper and lower connection node structure of the lower outer circular tube, bolt and plug-welded circular steel pipe column provided in the second embodiment of the present utility model Figure 1 ;

[0028] Figure 6 Schematic diagram of the upper and lower connection node structure of the lower outer circular tube, bolt and plug-welded circular steel pipe column provided in the second embodiment of the present utility model Figure 2 ;

[0029] Figure 7 is Figure 5 the cross-sectional structure schematic diagram of;

[0030] Figure 8 Schematic diagram of the upper and lower connection node structure of the lower outer circular tube and plug-welded circular steel pipe column provided in the third embodiment of the present utility model;

[0031] Figure 9 is Figure 8 the cross-sectional structure schematic diagram of;

[0032] Figure 10 Schematic diagram of the upper and lower connection node structure of the lower outer circular tube and plug-welded circular steel pipe column provided in the fourth embodiment of the present utility model;

[0033] Figure 11 is Figure 10 the cross-sectional structure schematic diagram of;

[0034] Figure 12 Schematic diagram of the structure of the upper outer circular tube provided in the fifth embodiment of the present utility model;

[0035] Figure 13 is Figure 12 the cross-sectional structure schematic diagram of;

[0036] Figure 14 Schematic diagram of the upper and lower connection node structure of the upper outer circular tube and bolted circular steel pipe column provided in the fifth embodiment of the present utility model;

[0037] Figure 15 is Figure 14 the cross-sectional structure schematic diagram of;

[0038] Figure 16 Schematic diagram of the upper and lower connection node structure of the upper outer circular tube, bolt and plug-welded circular steel pipe column provided in the sixth embodiment of the present utility model Figure 1 ;

[0039] Figure 17 Schematic diagram of the upper and lower connection node structure of the upper outer circular tube, bolt and plug-welded circular steel pipe column provided in the sixth embodiment of the present utility model Figure 2;

[0040] Figure 18 is Figure 16 a schematic cross-sectional structure diagram of;

[0041] Figure 19 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with a circular outer sleeve pipe and plug welding provided in the seventh embodiment of the present utility model;

[0042] Figure 20 is Figure 19 a schematic cross-sectional structure diagram of;

[0043] Figure 21 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with a circular outer sleeve pipe and plug welding provided in the eighth embodiment of the present utility model;

[0044] Figure 22 is Figure 21 a schematic cross-sectional structure diagram of;

[0045] Figure 23 a schematic diagram of the structure with circular outer sleeve pipes both above and below provided in the ninth embodiment of the present utility model;

[0046] Figure 24 is Figure 23 a schematic cross-sectional structure diagram of;

[0047] Figure 25 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with circular outer sleeve pipes both above and below and bolts provided in the ninth embodiment of the present utility model;

[0048] Figure 26 is Figure 25 a schematic cross-sectional structure diagram of;

[0049] Figure 27 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with circular outer sleeve pipes both above and below, bolts and plug welding provided in the tenth embodiment of the present utility model Figure 1 ;

[0050] Figure 28 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with circular outer sleeve pipes both above and below, bolts and plug welding provided in the tenth embodiment of the present utility model Figure 2 ;

[0051] Figure 29 is Figure 27 a schematic cross-sectional structure diagram of;

[0052] Figure 30 a schematic diagram of the upper and lower connection node structure of the circular steel pipe column with circular outer sleeve pipes both above and below and plug welding provided in the eleventh embodiment of the present utility model;

[0053] Figure 31 is Figure 30 a schematic cross-sectional structure diagram of;

[0054] Figure 32 a schematic diagram of the upper and lower connection node structure of a circular steel pipe column with circular pipes sleeved on both the upper and lower parts and plug welding provided in the twelfth embodiment of the present invention;

[0055] Figure 33 is Figure 32 a schematic cross-sectional structure diagram of.

[0056] Explanation of reference numerals:

[0057] 1. Upper module column; 2. Lower module column; 3. Circular pipe; 4. Self-locking bolt; 5. Plug welding point; 6. Surrounding welding structure; 7. Plate member. Specific embodiments

[0058] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0059] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0060] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0061] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0062] Embodiment 1

[0063] As Figures 1 to 4 shown in a specific embodiment of the structure of the upper and lower connection node between the jacket circular tube and the bolted circular steel tube column, including: upper module column 1, lower module column 2, and circular tube 3.

[0064] As Figures 1 to 4 shown, the lower module column 2 is located below the upper module column 1, and the top end of the lower module column 2 is welded to the bottom end of the upper module column 1 by a plate member 7, and full penetration welding can be used. The circular tube 3 is sleeved on the lower module column 2; and the circular tube 3 is welded to the plate member 7, and full penetration welding can be used; the circular tube 3 is connected to the lower module column 2 by bolts; a plurality of bolts surround the circular tube 3 and connect the lower module column 2. Specifically, both the upper module column 1 and the lower module column 2 are circular tubes, and more specifically, the circular tubes are circular steel tube columns. The bolts are self-locking bolts 4, and more specifically, the bolts are self-locking one-way high-strength bolts. The specification of the self-locking bolts 4 is not less than M16. Further, the outer periphery of both ends of the circular tube 3 is welded to the outer periphery of the lower module column 2. The welding form of the outer periphery of both ends of the circular tube 3 and the lower module column 2 is fillet welding or intermittent welding. According to the project requirements, the fillet welding structure 6 is as Figure 3 shown.

[0065] Further, the upper and lower connection node between the jacket circular tube and the bolted circular steel tube column is adapted to be detachably connected at the inflection point position of the floor, and specifically, column section connection can be adopted. At the inflection point position of the floor, there are basically only shear force and axial force, and the bending moment is zero.

[0066] The upper and lower connection node between the jacket circular tube and the bolted circular steel tube column is adapted to be prefabricated and processed in the factory in advance. Connect a plurality of upper and lower connection nodes between the jacket circular tube and the bolted circular steel tube column to form an elevator steel structure module unit, and determine the number and respective dimensions of the upper and lower connection nodes between the jacket circular tube and the bolted circular steel tube column according to the floor height. The elevator steel structure module unit is also adapted to be prefabricated and processed in the factory in advance. According to the project requirements, supports can be added to the elevator steel structure module unit. A connection point for connecting to the inflection point position of the floor is provided at the top end of the elevator steel structure module unit.

[0067] Embodiment 2

[0068] As Figures 5 to 7 shown in a specific embodiment of the upper and lower connection node between the jacket circular tube and the bolted and plug-welded circular steel tube column, the circular tube 3 is connected to the lower module column 2 by bolts and plug weld points 5. The plug weld points 5 are arranged in a strip shape in the vertical direction, and a plurality of plug weld points 5 surround the circular tube 3 and connect the lower module column 2. Other technical solutions are the same as those in Embodiment 1.

[0069] Embodiment 3

[0070] As Figures 8 to 9 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the plug-welded circular steel pipe column, the circular tube 3 is only connected to the lower module column 2 through the plug weld points 5. Other technical solutions are the same as those in Embodiment 2.

[0071] Embodiment 4

[0072] As Figures 10 to 11 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the plug-welded circular steel pipe column, the plug weld points 5 are arranged in a strip shape along the horizontal circumference. Other technical solutions are the same as those in Embodiment 3.

[0073] Embodiment 5

[0074] As Figures 12 to 15 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the bolted circular steel pipe column, the circular tube 3 is sleeved on the upper module column 1; the circular tube 3 is connected to the upper module column 1 by bolts. The outer circumferences at both ends of the circular tube 3 are welded to the outer circumference of the upper module column 1. The welding form of the outer circumferences at both ends of the circular tube 3 and the upper module column 1 is fillet welding or intermittent welding. Other technical solutions are the same as those in Embodiment 1.

[0075] Embodiment 6

[0076] As Figures 16 to 18 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the bolted and plug-welded circular steel pipe column, the circular tube 3 is connected to the upper module column 1 by bolts and plug weld points 5. The plug weld points 5 are arranged in a strip shape along the vertical direction. Other technical solutions are the same as those in Embodiment 5.

[0077] Embodiment 7

[0078] As Figures 19 to 20 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the plug-welded circular steel pipe column, the circular tube 3 is only connected to the upper module column 1 through the plug weld points 5. Other technical solutions are the same as those in Embodiment 6.

[0079] Embodiment 8

[0080] As Figures 21 to 22 shown in a specific implementation of the upper and lower connection node of the outer jacket circular tube and the plug-welded circular steel pipe column, the plug weld points 5 are arranged in a strip shape along the horizontal circumference. Other technical solutions are the same as those in Embodiment 7.

[0081] Embodiment 9

[0082] As Figures 23 to 26A specific implementation of the upper and lower connection nodes of the outer jacket circular tube and the bolted circular steel pipe column is shown. There are two circular tubes 3, which are respectively sleeved on the upper module column 1 and the lower module column 2. The circular tubes 3 are connected to both the upper module column 1 and the lower module column 2 by bolts. The outer circumferences at both ends of the circular tubes 3 are welded to the outer circumferences of the upper module column 1 and the lower module column 2. The welding form of the outer circumferences at both ends of the circular tubes 3 and the upper module column 1 and the lower module column 2 is fillet welding or intermittent welding. Other technical solutions are the same as those in Embodiment 1.

[0083] Embodiment 10

[0084] As Figures 27 to 29 A specific implementation of the upper and lower connection nodes of the outer jacket circular tube, bolt and plug weld circular steel pipe column is shown. The circular tubes 3 are connected to both the upper module column 1 and the lower module column 2 by bolts and plug weld points 5. The plug weld points 5 are arranged in a strip shape in the vertical direction. Other technical solutions are the same as those in Embodiment 9.

[0085] Embodiment 11

[0086] As Figures 30 to 31 A specific implementation of the upper and lower connection nodes of the outer jacket circular tube and the plug weld circular steel pipe column is shown. The circular tubes 3 are only connected to both the upper module column 1 and the lower module column 2 by plug weld points 5. Other technical solutions are the same as those in Embodiment 10.

[0087] Embodiment 12

[0088] As Figures 32 to 33 A specific implementation of the upper and lower connection nodes of the outer jacket circular tube and the plug weld circular steel pipe column is shown. The plug weld points 5 are arranged in a strip shape in the horizontal circumferential direction. Other technical solutions are the same as those in Embodiment 11.

[0089] Obviously, the above embodiments are only examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A node for connecting an outer sleeve circular tube with bolts and / or plug welded circular steel pipe columns, characterized in that: include: Upper module column (1); A lower module column (2) is located below the upper module column (1), and the top end of the lower module column (2) is welded to the bottom end of the upper module column (1) via a plate (7); A circular tube (3) is sleeved on the upper module column (1) and / or the lower module column (2); and the circular tube (3) is welded to the plate (7); the circular tube (3) is connected to the upper module column (1) and / or the lower module column (2) via bolts and / or plug welding points (5).

2. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 1 are characterized in that: The upper module column (1) and the lower module column (2) are both round tubes.

3. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 1 are characterized in that: The bolt is a self-locking bolt (4).

4. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 3 are characterized in that: The specification of the self-locking bolt (4) is not less than M16.

5. The upper and lower connection node of the outer sleeve circular tube and the bolt and / or plug-welded circular steel pipe column according to any one of claims 1 to 4, characterized in that: The outer peripheries of both ends of the circular tube (3) are welded to the outer peripheries of the upper module column (1) and / or the lower module column (2).

6. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 5 are characterized in that: The welding form of the outer periphery of the two ends of the circular tube (3) and the upper module column (1) and / or the lower module column (2) is circumferential welding or intermittent welding.

7. The upper and lower connection node of the outer sleeve circular tube and the bolt and / or plug-welded circular steel pipe column according to any one of claims 1 to 4, characterized in that: The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns are suitable for detachable connection with the inflection point position of the floor.

8. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 7 are characterized in that: Connect multiple outer circular tubes and bolts and / or plug-welded circular steel pipe columns upper and lower connection nodes to form an elevator steel structure module unit. Determine the number and respective sizes of the outer circular tubes and bolts and / or plug-welded circular steel pipe columns upper and lower connection nodes according to the floor height.

9. The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns according to claim 8 are characterized in that: A connection point connected to the inflection point of the floor is provided at the top of the elevator steel structure module unit.

10. The upper and lower connection node of the outer sleeve circular tube and the bolt and / or plug-welded circular steel pipe column according to any one of claims 1 to 4, characterized in that: The upper and lower connection nodes of the outer sleeve circular tube and the bolts and / or plug-welded circular steel pipe columns are suitable for prefabrication in the factory.

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