Upper and lower rectangular pipe column connecting joint with internally-sleeved cross-shaped bolt and / or plug welding module

Abstract

The utility model relates to the technical field of modular structure steel pipe column connection, and provides an upper and lower rectangular pipe column connection node internally sleeved with a cross-shaped bolt and / or a plug welding module, which is used for connecting rectangular pipe columns of upper and lower adjacent elevator steel frame modules and comprises at least one cross-shaped inner sleeve piece, the self-locking one-way high-strength bolts, plug welding and the combination of the self-locking one-way high-strength bolts and plug welding are connected with the rectangular pipe column; the connecting plate is fixedly arranged at the end part of the cross-shaped inner sleeve piece, and the connecting plate is fixedly connected with the end surface of one rectangular tubular column; and the cross-shaped inner sleeve piece is inserted into the other rectangular pipe column. The upper and lower rectangular pipe column connecting joints of the inner sleeve cross-shaped bolt and / or plug welding module can be prefabricated and produced in a factory and then transported to a site, and are assembled in the modes of inner sleeve cross-shaped self-locking one-way high-strength bolts, inner sleeve cross-shaped plug welding, inner sleeve cross-shaped self-locking one-way high-strength bolts and plug welding and the like; field welding is reduced; and the construction quality of the steel structure is effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting steel pipe columns of module structures, and particularly relates to a connecting node for upper and lower rectangular pipe columns of an inner sleeve cross shape plus bolts and / or plug welding modules. Background Art

[0002] With the development of China's economy and the acceleration of the urbanization process, elevators in public construction projects such as industrial buildings, office buildings, schools, and hospitals are difficult to meet the current market demand. In original designs of projects such as old residential areas and pedestrian overpasses, the installation of elevators was not considered. To address these social needs, it is urgent to quickly build a batch of elevators that meet the daily travel and work of urban residents, and the quickly built steel structure module elevator structures have emerged as the times require.

[0003] Currently, the commonly installed elevators generally adopt a steel frame structure system: rectangular steel pipe columns (or circular columns) plus rectangular steel pipe beams or I-shaped steel beams, I-shaped steel columns plus I-shaped steel beams. The connection between beams and columns and the connection between columns are welded according to the site conditions. For conventional installed elevators, the on-site construction operation surface is too large, the construction speed is slow, and a large operation and construction site is required on-site, which has a greater impact on the normal life and work of surrounding residents. Summary of the Utility Model

[0004] In view of this, the utility model provides a connecting node for upper and lower rectangular pipe columns of an inner sleeve cross shape plus bolts and / or plug welding modules to solve the problems of the currently conventional installed elevators, such as too large on-site construction operation surface, slow construction speed, and the need for a large operation and construction site on-site, which has a greater impact on the normal life and work of surrounding residents.

[0005] The utility model provides a connecting node for upper and lower rectangular pipe columns of an inner sleeve cross shape plus bolts and / or plug welding modules, which is used to connect the rectangular pipe columns of two adjacent upper and lower elevator steel frame modules, and includes: at least one cross-shaped inner sleeve; a connecting plate fixedly arranged at the end of the cross-shaped inner sleeve, and the connecting plate is suitable for fixedly connecting with the end face of one of the rectangular pipe columns; the cross-shaped inner sleeve is suitable for being inserted into the other rectangular pipe column, and the connecting plate is fixed to the end face of the other rectangular pipe column.

[0006] In an optional implementation manner, two cross-shaped inner sleeves are provided, and the two cross-shaped inner sleeves are respectively fixedly connected to two side faces of the connecting plate and are suitable for being respectively inserted into two sections of the rectangular pipe columns.

[0007] In an optional implementation manner, the cross-shaped inner sleeve and the rectangular pipe column are tightly connected.

[0008] In an alternative embodiment, the connecting joint of the inner cross-shaped plus bolt and / or plug weld module for upper and lower rectangular pipe columns further includes a fastener, and the fastener is detachably connected between the cross-shaped inner kit and the rectangular pipe column.

[0009] In an alternative embodiment, the fastener is set as a self-locking one-way high-strength bolt.

[0010] In an alternative embodiment, plug weld holes are provided on the rectangular pipe column, and the cross-shaped inner kit and the rectangular pipe column are fixedly connected by plug welding.

[0011] In an alternative embodiment, the plug weld holes are opened vertically or horizontally.

[0012] In an alternative embodiment, the fasteners and the plug weld holes are arranged at intervals.

[0013] In an alternative embodiment, the height of the cross-shaped inner kit is greater than twice its width.

[0014] In an alternative embodiment, the connecting joint of the inner cross-shaped plus bolt and / or plug weld module for upper and lower rectangular pipe columns is used for connecting between two adjacent modular elevators above and below. Two sections of the rectangular pipe columns are respectively arranged in the two modular elevators.

[0015] Beneficial effects: By adopting modular elevators, different module units can be selected according to factors such as floors and construction equipment. The unit modules are processed in the factory and transported to the site for assembly, reducing the on-site construction area and the impact on the surrounding residents' work and daily life. It solves the trouble of on-site full-penetration welding connection of rectangular pipe columns, enabling the modular elevator to be quickly connected and installed on-site (connected at the inflection point of the floor, where there is basically only shear force and the bending moment is zero). According to the actual situation on-site, combinations such as inner cross-shaped plus self-locking one-way high-strength bolts, inner cross-shaped plus plug welding, and inner cross-shaped plus self-locking one-way high-strength bolts plus plug welding can be adopted, reducing on-site welding and effectively ensuring the construction quality of the steel structure. It solves the problem that in the later stage, if the building function changes or the elevator position changes, the module unit can be demolished and reinstalled at the position of the newly added elevator function of the building for reuse, reducing the project cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 Schematic diagram of the first embodiment of the connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module provided by the present utility model;

[0018] Figure 2 Schematic diagram of the second embodiment of the connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module provided by the present utility model;

[0019] Figure 3 Schematic diagram of the third embodiment of the connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module provided by the present utility model;

[0020] Figure 4 Cross-sectional view of the connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module provided by the present utility model.

[0021] Explanation of reference numerals:

[0022] 1, rectangular pipe column; 2, cross-shaped inner kit; 3, connecting plate; 4, fastener; 5, plug welding hole position; 6, fillet weld. Detailed implementation manners

[0023] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] The following combines Figures 1 - 4 , to describe the embodiments of the present utility model.

[0025] According to the embodiments of the present utility model, a connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module is provided, which is used to connect the rectangular pipe columns 1 of two adjacent upper and lower elevator steel frame modules. As Figure 1 , Figure 2 shown, the connection node between the upper and lower rectangular pipe columns with an inner cross-shaped plus bolt and / or plug welding module includes: at least one cross-shaped inner kit 2, a connecting plate 3 and a fastener 4. The connecting plate 3 is fixedly arranged at the end of the cross-shaped inner kit 2, and the connecting plate 3 is adapted to be fixedly connected to the end face of one of the rectangular pipe columns 1; the cross-shaped inner kit 2 is adapted to be inserted into and fixed in the other rectangular pipe column 1, and the connecting plate 3 is fixed to the end face of the other rectangular pipe column 1.

[0026] In this embodiment, a connection joint for an inner sleeve cross-shaped plus bolt and / or plug weld module for upper and lower rectangular pipe columns includes a cross-shaped inner sleeve 2, a connecting plate 3, and fasteners 4. In Figure 1 In the structure shown in a of Figure 1 , the top end of the cross-shaped inner sleeve 2 is fixed to the connecting plate 3 by full penetration welding. During on-site installation, the connecting plate 3 is fixed to the rectangular pipe column 1 in the upper modular elevator by full penetration welding, and the cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the lower modular elevator and fixed thereto.

[0027] For example Figure 1 In the structure shown in b of Figure 1 , the connecting plate 3 is fixed to the rectangular pipe column 1 in the upper modular elevator by full penetration welding, and the cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the lower modular elevator and fixed by a plurality of fasteners 4. In this embodiment, the fasteners 4 are self-locking one-way high-strength bolts, and the self-locking one-way high-strength bolts are distributed on the circumferential side of the rectangular pipe column 1.

[0028] By connecting the upper and lower rectangular pipe columns 1 of two adjacent upper and lower modular elevators with an inner sleeve cross-shaped inner sleeve 2 plus self-locking one-way high-strength bolts. At the floor inflection point of the upper and lower rectangular pipe columns 1 of the modular elevator (basically only axial force, shear force, and moment is zero), connecting with an inner sleeve cross-shaped inner sleeve 2 plus self-locking one-way high-strength bolts can reliably transfer axial force and shear force, reduce on-site welding processes such as full penetration welding and fillet welds, improve the construction quality of the entire structure, the module unit can be disassembled and reused, and the project cost can be reduced.

[0029] As another implementation method, for example Figure 1 In the structure shown in c of Figure 1 , the cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the lower modular elevator. Among them, plug weld holes 5 are provided on both the left and right sides of the rectangular pipe column 1, and both the left and right sides of the rectangular pipe column 1 are plug welded and fixed to the cross-shaped inner sleeve 2 through the plug weld holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to the front and rear sides of the rectangular pipe column 1, and are fixed to the front and rear sides of the cross-shaped inner sleeve 2 through the self-locking one-way high-strength bolts.

[0030] As another implementation method, for example Figure 1 In the structure shown in d of Figure 1 , the cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the lower modular elevator. Among them, plug weld holes 5 are provided on both the front and rear sides of the rectangular pipe column 1, and both the front and rear sides of the rectangular pipe column 1 are plug welded and fixed to the cross-shaped inner sleeve 2 through the plug weld holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to the left and right sides of the rectangular pipe column 1, and are fixed to the left and right sides of the cross-shaped inner sleeve 2 through the self-locking one-way high-strength bolts.

[0031] The upper and lower rectangular pipe columns 1 of the modular elevator are connected by a combination of an inner cross-shaped inner kit 2, self-locking one-way high-strength bolts, and plug welding. At the floor inflection point (basically only axial force, shear force, and zero bending moment), the upper and lower rectangular pipe columns 1 of the modular elevator are connected by a combination of an inner cross-shaped inner kit 2, self-locking one-way high-strength bolts, and plug welding, which can reliably transfer axial force, shear force, and bending moment, reduce on-site welding processes such as full penetration welding and fillet welding, and improve the construction quality of the entire structure.

[0032] As another implementation, for example Figure 1 In the structure shown in e, the cross-shaped inner kit 2 is inserted into the rectangular pipe column 1 of the modular elevator on the lower side. Among them, plug welding holes 5 are provided on the circumferential side of the rectangular pipe column 1, and the plug welding holes 5 are arranged vertically. The rectangular pipe column 1 is fixed by plug welding with the cross-shaped inner kit 2 through the plug welding holes 5 on the circumferential side.

[0033] As another implementation, for example Figure 1 In the structure shown in f, the cross-shaped inner kit 2 is inserted into the rectangular pipe column 1 of the modular elevator on the lower side. Among them, plug welding holes 5 are provided on the circumferential side of the rectangular pipe column 1, and the plug welding holes 5 are arranged horizontally. The rectangular pipe column 1 is fixed by plug welding with the cross-shaped inner kit 2 through the plug welding holes 5 on the circumferential side.

[0034] By connecting the upper and lower rectangular pipe columns 1 of the modular elevator with an inner cross-shaped inner kit 2 and plug welding, at the floor inflection point (basically only axial force, shear force, and zero bending moment), the upper and lower rectangular pipe columns 1 of the modular elevator are connected with an inner cross-shaped inner kit 2 and plug welding, which can reliably transfer axial force and shear force, reduce on-site welding processes such as full penetration welding, and improve the construction quality of the entire structure.

[0035] In this embodiment, the cross-shaped inner kit 2 is a cross-shaped structure, and its height is greater than twice its width.

[0036] In this embodiment, during on-site installation, a fillet weld 6 is provided between the rectangular pipe column 1 and the connecting plate 3, and the rectangular pipe column 1 and the connecting plate 3 are fixed by welding through the fillet weld 6.

[0037] A connecting joint of an inner sleeve cross shape plus bolts and / or plug welding for upper and lower rectangular pipe columns provided in this embodiment adopts a modular elevator. Different module units are selected according to the floor, construction equipment, etc. The unit modules are processed in the factory and transported to the site for assembly, reducing the on-site construction work surface and the impact on the surrounding residents' work and daily life. It solves the trouble of site full-penetration welding connection of the rectangular pipe column 1, enabling the modular elevator to be quickly connected and installed on site (connected at the inflection point of the floor, where there is basically only shear force and the bending moment is zero). According to the actual situation on site, the combination connection of inner sleeve cross shape plus self-locking one-way high-strength bolts, inner sleeve cross shape plus plug welding, inner sleeve cross shape plus self-locking one-way high-strength bolts plus plug welding, etc. can be adopted, reducing on-site welding and effectively ensuring the construction quality of the steel structure. It solves the problem that in the later stage, if the building function changes and the elevator position changes, the module unit can be removed and reinstalled at the position of the newly added elevator function of the building, and reused, reducing the project cost.

[0038] Embodiment 2

[0039] This embodiment provides a connecting joint of an inner sleeve cross shape plus bolts and / or plug welding for upper and lower rectangular pipe columns, which is used for connecting between two adjacent modular elevators up and down. The modular elevator includes a rectangular pipe column 1. A connecting joint of an inner sleeve cross shape plus bolts and / or plug welding for upper and lower rectangular pipe columns realizes the connection of two modular elevators by connecting the rectangular pipe columns 1 on the two modular elevators.

[0040] In this embodiment, as Figure 2 shown, the bottom end of the cross-shaped inner sleeve 2 is fixed to the connecting plate 3 by full-penetration welding.

[0041] As an implementation manner, as Figure 2 shown in b, the connecting plate 3 is fixed to the rectangular pipe column 1 in the lower modular elevator by full-penetration welding. The cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the upper modular elevator and fixed by a plurality of fasteners 4. In this embodiment, the fasteners 4 are self-locking one-way high-strength bolts, and the self-locking one-way high-strength bolts are distributed on the periphery of the rectangular pipe column 1.

[0042] As an implementation manner, as Figure 2 shown in c, the cross-shaped inner sleeve 2 is inserted into the rectangular pipe column 1 in the upper modular elevator. Among them, plug welding holes 5 are provided on both the left and right sides of the rectangular pipe column 1. The left and right sides of the rectangular pipe column 1 are plug welded and fixed to the cross-shaped inner sleeve 2 through the plug welding holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to the front and rear sides of the rectangular pipe column 1, and are fixed to the front and rear sides of the cross-shaped inner sleeve 2 through the self-locking one-way high-strength bolts.

[0043] As an implementation manner, as Figure 2As shown in Figure d, the cross-shaped inner kit 2 is inserted into the rectangular pipe column 1 of the modular elevator on the upper side. Among them, plug welding holes 5 are provided on both the front and rear sides of the rectangular pipe column 1, and the front and rear sides of the rectangular pipe column 1 are plug welded and fixed to the cross-shaped inner kit 2 through the plug welding holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to both the left and right sides of the rectangular pipe column 1, and are fixed to both the left and right sides of the cross-shaped inner kit 2 through the self-locking one-way high-strength bolts.

[0044] As an implementation method, for example Figure 2 As shown in Figure e, the cross-shaped inner kit 2 is inserted into the rectangular pipe column 1 of the modular elevator on the upper side. Among them, plug welding holes 5 are provided on the peripheral side of the rectangular pipe column 1, the plug welding holes 5 are arranged vertically, and the rectangular pipe column 1 is plug welded and fixed to the cross-shaped inner kit 2 through the plug welding holes 5 on the peripheral side.

[0045] As another implementation method, for example Figure 2 As shown in Figure f, the cross-shaped inner kit 2 is inserted into the rectangular pipe column 1 of the modular elevator on the upper side. Among them, plug welding holes 5 are provided on the peripheral side of the rectangular pipe column 1, the plug welding holes 5 are arranged horizontally, and the rectangular pipe column 1 is plug welded and fixed to the cross-shaped inner kit 2 through the plug welding holes 5 on the peripheral side.

[0046] In this embodiment, during on-site installation, fillet welds 6 are provided between the rectangular pipe column 1 and the connecting plate 3, and the rectangular pipe column 1 and the connecting plate 3 are welded and fixed through the fillet welds 6.

[0047] Embodiment 3

[0048] This embodiment provides a connection node for the upper and lower rectangular pipe columns of a cross-shaped inner sleeve plus bolts and / or plug welding module, which is used for connecting between two adjacent modular elevators above and below. The modular elevator includes a rectangular pipe column 1. A connection node for the upper and lower rectangular pipe columns of a cross-shaped inner sleeve plus bolts and / or plug welding module realizes the connection of two modular elevators by connecting the rectangular pipe columns 1 on the two modular elevators.

[0049] In this embodiment, as Figure 3 As shown in Figure a, the number of cross-shaped inner kits 2 is two, the connecting plate 3 is located between the two cross-shaped inner kits 2, and the ends of the two cross-shaped inner kits 2 and the connecting plate 3 are fixed by full penetration welding.

[0050] As an implementation method, as Figure 3 As shown in Figure b, the two cross-shaped inner kits 2 are respectively inserted into the rectangular pipe columns 1 of the upper and lower modular elevators and fixed by a plurality of fasteners 4. In this embodiment, the fasteners 4 are self-locking one-way high-strength bolts, and the self-locking one-way high-strength bolts are distributed on the peripheral side of the rectangular pipe column 1. The connecting plate 3 and the rectangular pipe column 1 are fixed by welding.

[0051] As an implementation manner, as shown in Figure 3 Figure c, two cruciform inner sleeves 2 are respectively inserted into the rectangular pipe columns 1 of the upper and lower modular elevators. Plug welding holes 5 are provided on both the left and right sides of the two rectangular pipe columns 1. The left and right sides of the rectangular pipe columns 1 are plug welded and fixed to the cruciform inner sleeves 2 through the plug welding holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to the front and rear sides of the rectangular pipe columns 1, and are fixed to the front and rear sides of the cruciform inner sleeves 2 through the self-locking one-way high-strength bolts.

[0052] As an implementation manner, as shown in Figure 3 Figure d, two cruciform inner sleeves 2 are respectively inserted into the rectangular pipe columns 1 of the upper and lower modular elevators. Plug welding holes 5 are provided on both the front and rear sides of the rectangular pipe columns 1. The front and rear sides of the rectangular pipe columns 1 are plug welded and fixed to the cruciform inner sleeves 2 through the plug welding holes 5. Fasteners 4 (self-locking one-way high-strength bolts) are connected to the left and right sides of the rectangular pipe columns 1, and are fixed to the left and right sides of the cruciform inner sleeves 2 through the self-locking one-way high-strength bolts.

[0053] As an implementation manner, for example Figure 3 In the structure shown in Figure e, two cruciform inner sleeves 2 are respectively inserted into the rectangular pipe columns 1 of the upper and lower modular elevators. Among them, plug welding holes 5 are provided on the circumferential side of the rectangular pipe column 1, and the plug welding holes 5 are arranged vertically. The rectangular pipe column 1 is plug welded and fixed to the cruciform inner sleeve 2 through the plug welding holes 5 on the circumferential side.

[0054] As another implementation manner, for example Figure 3 In the structure shown in Figure f, the cruciform inner sleeve 2 is inserted into the rectangular pipe column 1 of the upper modular elevator. Among them, plug welding holes 5 are provided on the circumferential side of the rectangular pipe column 1, and the plug welding holes 5 are arranged horizontally. The rectangular pipe column 1 is plug welded and fixed to the cruciform inner sleeve 2 through the plug welding holes 5 on the circumferential side.

[0055] In this embodiment, during on-site installation, fillet welds 6 are provided between the rectangular pipe column 1 and the connecting plate 3, and the rectangular pipe column 1 and the connecting plate 3 are welded and fixed through the fillet welds 6.

[0056] And Figure 4 In the structures shown in Figures a, b, c, d, e, and f, the cross-sectional positions of the connection nodes between the upper and lower rectangular pipe columns with the inner cruciform plus bolts and / or plug welding modules in the above several implementation manners are shown.

[0057] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A cross-shaped inner sleeve bolted and / or plug-welded upper and lower rectangular pipe column connection node for connecting the rectangular pipe columns (1) of two upper and lower adjacent elevator steel frame modules, characterized in that: include: At least one cross-shaped inner sleeve (2); A connecting plate (3) fixedly arranged at the end of the cross-shaped inner sleeve (2), the connecting plate (3) being suitable for being fixedly connected to the end face of one of the rectangular tube columns (1); The cross-shaped inner sleeve (2) is suitable for being inserted into and fixed in another one of the rectangular tube columns (1), and the connecting plate (3) is fixed to the end surface of another one of the rectangular tube columns (1).

2. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 1 is characterized in that: The cross-shaped inner sleeves (2) are provided in two pieces, and the two cross-shaped inner sleeves (2) are respectively fixedly connected to the two side surfaces of the connecting plate (3) and are suitable for being respectively inserted into the two sections of the rectangular pipe column (1).

3. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 1 or 2, characterized in that: The cross-shaped inner sleeve (2) is firmly connected to the rectangular tube column (1).

4. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 3 is characterized in that: It also comprises a fastener (4), wherein the fastener (4) is detachably connected between the cross-shaped inner sleeve (2) and the rectangular tube column (1).

5. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 4 is characterized in that: The fastener (4) is configured as a self-locking one-way high-strength bolt.

6. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 4 is characterized in that: The rectangular tube column (1) is provided with a plug welding hole (5), and the cross-shaped inner sleeve (2) and the rectangular tube column (1) are fastened and connected by plug welding.

7. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 6 is characterized in that: The plug welding hole (5) is opened vertically or horizontally.

8. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 6 is characterized in that: The fastener (4) and the plug welding hole (5) are arranged at intervals.

9. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to claim 1 is characterized in that: The height of the cross-shaped inner sleeve (2) is greater than twice its width.

10. The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection node according to any one of claims 1-2 and 4-9, characterized in that: The inner sleeve cross-shaped bolted and / or plug-welded module upper and lower rectangular pipe column connection nodes are used to connect two upper and lower adjacent modular elevators, and two sections of the rectangular pipe columns (1) are respectively provided in the two modular elevators.

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