CN219569189U - Modular steel structure corner bolted joint for box plate-pin connection - Google Patents
Modular steel structure corner bolted joint for box plate-pin connection Download PDFInfo
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- CN219569189U CN219569189U CN202320168937.4U CN202320168937U CN219569189U CN 219569189 U CN219569189 U CN 219569189U CN 202320168937 U CN202320168937 U CN 202320168937U CN 219569189 U CN219569189 U CN 219569189U
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Abstract
The utility model provides a modular steel structure corner bolt connection node for box plate-pin connection, which comprises the following components: intermediate plate-pin connectors, upper box connectors, lower box connectors, beam liner units, modular beam units; the middle plate-pin connecting piece comprises a center round bar, a bolt, a horizontal plate and two vertical plates; the upper box type connecting piece and the lower box type connecting piece are connected through the middle plate-pin connecting piece, the upper box type connecting piece and the lower box type connecting piece are symmetrical, and each lower box type connecting piece comprises: a square plate, an L-shaped folded plate, an arc bent plate, a hole-forming plate and a round steel pipe; the Liang Chentong unit includes two upper portions Liang Chentong and two lower portions Liang Chentong; the modular beam unit comprises two lower modular ceiling beams and two upper modular floor beams. The utility model can realize the factory fine manufacturing and the on-site full assembly installation and disassembly of the modularized steel structure node.
Description
Technical Field
The utility model belongs to the field of nodes of modular structures, and particularly relates to a box plate-pin connected modular steel structure corner bolt connection node.
Background
The modular structure is a novel assembled steel structure building which adopts integrated design, standardized production and assembled construction. The modularized structure has higher completion degree and integration degree, reliable construction quality, and can stably accelerate project progress and furthest improve production efficiency. The modularized building reduces the whole life cycle cost of the building by virtue of the advantages of off-site standardized production and short construction time. The modularized structure is a novel building structure type, has the obvious advantages of green low carbon, sustainable development, recycling, and the like, and is a novel mode of assembled building development. The modularized structure system is formed by connecting a plurality of mutually independent modularized units through modularized nodes, wherein the modularized connecting nodes are key points and cores of the modularized structure system.
At present, the research on modular steel structure connection nodes by students at home and abroad is not mature, and various defects exist in the current modular connection nodes, such as: 1) The modularized node connection design does not have the compatibility of various node connection modes; 2) The modularized node area needs to be welded and reinforced, and the assembly degree is not 100%; 3) The modular node design is not simple and direct enough to transfer force, and is difficult to adapt to the development requirement of a modular structure to a high-rise building.
Disclosure of Invention
The utility model aims to provide a box type plate-pin connected modularized steel structure corner bolt connection node and a construction method, which can realize field complete assembly operation and recycling. In order to achieve the above purpose, the utility model adopts the following technical scheme:
a modular steel structure corner bolting node of box plate-pin connection comprising:
the middle plate-pin connecting piece comprises a center round bar, a bolt, a horizontal plate and two vertical plates; the middle part of the horizontal plate is provided with a hole and is welded with the bolt in a matched manner, and one corner of the horizontal plate is welded with the central round bar; the upper surface and the lower surface of the horizontal plate are symmetrical with the upper surface and the lower surface of the central round bar;
the upper and lower parts of the two vertical plates are symmetrically provided with long round holes matched with the side surfaces of the module beams, the middle parts of the two vertical plates are grooved, inserted into the horizontal plates and contacted with the central round bar, the three vertical plates are welded to form a whole, and the outer side surfaces of the two vertical plates are respectively overlapped with the corresponding outer side surfaces of the horizontal plates;
the upper box type connecting piece and the lower box type connecting piece are vertically symmetrical and have the same structure, the lower box type connecting piece forms a hole site space for assembling the lower section of the middle plate-pin connecting piece, and the lower box type connecting piece comprises:
the square plate is perpendicular to the axis direction of the module column and is welded with the module column;
the outer side surfaces of the L-shaped folded plates are welded with a module beam respectively; the bottom surface of the L-shaped folded plate is welded with the square plate, and the outer side surface of the L-shaped folded plate is overlapped with the outer side surface of the square plate;
the arc bending plate is perpendicular to the axis direction of the module beam, the bottom surface of the arc bending plate is welded with the square plate, the vertical surface of the thickness direction of the arc bending plate is welded with the inner side surface of the L-shaped folded plate, and the outer side surface of the arc bending plate is overlapped with the outer side surface of the square plate;
the outer side surface of the hole plate is welded with the arc bending plate and the L-shaped folded plate; the outer surface of the hole plate is overlapped with the top surface of the arc bending plate;
the round steel pipe is perpendicular to the square plate, and the bottom surface of the round steel pipe is welded with the direction plate; the top surface of the round steel pipe is overlapped with the outer surface of the hole plate; the side surface of the round steel pipe is welded with the inner side surface of the hole plate; the round steel tube is used for being matched with a bolt of the middle plate-pin connecting piece;
liang Chentong unit comprises two upper parts Liang Chentong and two lower parts Liang Chentong, wherein the upper parts Liang Chentong and the lower parts Liang Chentong have the same structure, two side surfaces of the lower parts Liang Chentong are provided with concentric centering operation holes with the same size, and the lower parts Liang Chentong are welded with the outer side surfaces of the L-shaped folded plates; the outer surface of the lower part Liang Chentong is tightly contacted with the inner surface of the lower module ceiling beam;
the module beam unit comprises two upper module floor beams and two lower module ceiling beams, the upper module floor beams and the lower module ceiling beams have the same structure, the outer side surfaces of the lower module ceiling beams are provided with bolt holes, the inner side surfaces of the lower module ceiling beams are provided with operation holes, and the two holes are concentric and matched with the lower Liang Chentong operation holes and the vertical plate slotted holes; the lower module ceiling beam is welded with the outer side face of the L-shaped folded plate; the lower module ceiling beam inner surface is in contact with the lower Liang Chentong outer surface.
Preferably, after the intermediate plate-pin connector, the upper box connector and the lower box connector are installed, the intermediate plate-pin connector pins are respectively matched with the upper box connector and the lower box connector in a positioning way.
Preferably, after the intermediate plate-pin connector, the upper box connector and the lower box connector are installed, the upper surface of the intermediate plate-pin connector is in contact with the upper box connector hole plate, and the lower surface of the intermediate plate-pin connector is in contact with the lower box connector hole plate.
Preferably, after the middle plate-pin connector, the upper box connector and the lower box connector are installed, the inner surfaces of the vertical plates are overlapped with the outer surfaces of the cambered plates of the upper box connector and the lower box connector and the outer surfaces of the module beam units.
Preferably, the upper and lower box connectors are arranged symmetrically up and down.
Preferably, the Liang Chentong units are all made of square tubular members.
Preferably, the module beam unit, the upper module column and the lower module column are all made of square tubular members.
Preferably, the modular beam units have a strength rating of Q235, Q355, Q390 or Q420.
A construction method of a box plate-pin connection modularized steel structure corner bolt connection node comprises the following steps:
(1) Welding the upper and lower box connectors:
take the example of welding the following box connectors: firstly, respectively welding an arc bending plate and an L-shaped folded plate on a square plate, wherein the outer side surfaces of the arc bending plate and the L-shaped folded plate are overlapped; then welding the vertical surface of the arc bending plate in the thickness direction with the inner side surface of the L-shaped folded plate; then welding the outer side surface of the hole plate with the inner side surface of the L-shaped folded plate and the arc bent plate; finally, welding the side surface of the round steel pipe with the inner side surface of the hole plate, and welding the bottom surface of the round steel pipe with the square plate;
(2) Welding Liang Chentong unit:
the Liang Chentong unit includes a lower portion Liang Chentong and an upper portion Liang Chentong;
a lower portion Liang Chentong is welded to the outer side of the L-shaped flap in the lower box connector and an upper portion Liang Chentong is welded to the outer side of the L-shaped flap in the upper box connector;
(3) Welding a module beam unit:
the module beam unit comprises a lower module ceiling beam and an upper module floor beam;
a lower module ceiling beam is welded on the outer side surface of the L-shaped folded plate in the lower box type connecting piece, and an upper module floor beam is welded on the outer side surface of the L-shaped folded plate in the upper box type connecting piece; the inner surface of the module beam is contacted with the outer surface of Liang Chentong;
(4) Welding the lower module column and the upper module column:
welding an upper module column to the top surface of the square plate in the upper box-type connecting piece, and welding a lower module column to the bottom surface of the square plate in the lower box-type connecting piece;
(5) Welding the intermediate plate-pin connection:
a hole is formed in a bolt positioning hole in the middle of the horizontal plate, the hole is matched with a bolt for welding, and then an opening at one corner of the horizontal plate is welded with a central round bar; the middle parts of the last two vertical plates are grooved, a horizontal plate is inserted and contacted with the central round bar, and the last two vertical plates are welded to form a whole, wherein the outer side surfaces of the two vertical plates are respectively overlapped with the corresponding outer side surfaces of the horizontal plate;
(6) Mounting an intermediate plate-pin connection:
inserting the lower section of the bolt of the middle plate-pin connector into a steel pipe hole of the lower box-type connector, and connecting the oblong hole of the vertical plate of the middle plate-pin connector with the bolt hole on the outer side surface of the ceiling beam of the lower module through a lower bolt;
(7) Installing an upper box type connecting piece:
and placing the upper section of the bolt of the middle plate-pin connector into the steel pipe hole of the upper box-type connector, and connecting the oblong hole of the vertical plate of the middle plate-pin connector with the bolt hole on the outer side surface of the upper module floor beam through the upper bolt.
Compared with the prior art, the utility model has the advantages that:
(1) The connection node can realize the connection of 2 modularized units only by positioning through the bolts, and the integrity and the stress symmetry of the node domain are further ensured by the bolts and the vertical plates on the outer side surfaces of the module beams.
(2) The connection node realizes the complete assembly construction operation, and the upper box type connecting piece, the lower box type connecting piece and the middle plate-pin connecting piece are connected through bolt positioning and bolts without any additional welding. In addition, the connecting node does not occupy extra construction space, and the problem that many modularized structure connecting nodes have insufficient construction space is solved.
(3) The upper box type connecting piece, the lower box type connecting piece and the middle plate-pin connecting piece can be detached, so that the modularized node can be recycled.
(4) In addition, the modularized connecting node can bear internal force generated under various load working conditions, the connecting node is definite in stress, the force transmission is concise and clear, the middle plate-pin connecting piece ensures the bearing capacity of the node area, and simultaneously, the upper modularized unit and the lower modularized unit are tightly connected, and the connecting node has good overall performance; the modularized units and the connecting nodes are light and stable, and have high bearing capacity and good anti-seismic performance.
Drawings
FIG. 1 is a schematic diagram of a modular overall structure according to an embodiment of the present utility model;
FIG. 2 is a first orientation schematic view of a boxboard-pin connected modular steel structure corner bolting node;
FIG. 3 is a second schematic view of the second orientation of the boxboard-pin connected modular steel structure corner bolting node;
FIG. 4 is an exploded view of a modular steel structure corner bolting node of a box plate-pin connection;
FIG. 5 is a schematic view of the installation of the lower modular unit;
FIG. 6 is an exploded view of the cartridge connector;
FIG. 7 is a three-dimensional schematic view of an intermediate plate-pin connection;
fig. 8 is an exploded view of the intermediate plate-pin connection.
Wherein, 1-upper module post, 2-lower module post, 3-upper module floor beam, 4-lower module ceiling beam, 5-upper Liang Chentong, 6-lower Liang Chentong, 7-upper box connector, 8-lower box connector, 9-center round bar, 10-bolt, 11-horizontal plate, 12-vertical plate, 13-upper bolt, 14-lower bolt.
Description of the embodiments
The present utility model will be described in more detail below with reference to the drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art can modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
As shown in fig. 1 to 8, a modular steel structure corner bolting node for box plate-pin connection, comprising: intermediate plate-pin connectors, upper box connectors, lower box connectors, beam liner units, modular beam units.
As shown in fig. 7 to 8, the middle plate-pin connector comprises a central round bar 9, a bolt 10, a horizontal plate 11, two vertical plates 12, an upper bolt 13 and a lower bolt 14. Wherein, the module beam unit, the upper module column 1 and the lower module column 2 are all made of square tubular members.
The middle plate-pin connecting piece comprises a center round bar 9, a bolt 10, a horizontal plate 11 and two vertical plates 12, and chamfers at two ends of the bolt 10 are convenient for installation and matching; the middle part of the horizontal plate 11 is provided with a hole and is welded with the bolt 10 in a matched manner, and one corner of the horizontal plate 11 is welded with the central round bar 9; the upper and lower surfaces of the horizontal plate 11 are symmetrical with the upper and lower surfaces of the central round bar 9;
the two vertical plates 12 are symmetrically provided with long round holes at the upper part and the lower part and matched with the side surfaces of the module beams, the middle parts of the two vertical plates 12 are grooved, the horizontal plates 11 are inserted and contacted with the center round bar 9, the two vertical plates 12 are welded to form a whole, and the outer side surfaces of the two vertical plates 12 are respectively overlapped with the corresponding outer side surfaces of the horizontal plates 11.
The upper box type connecting piece and the lower box type connecting piece are connected in an up-down, left-right positioning mode through the middle plate-pin connecting piece, the structure is the same, and the lower box type connecting piece comprises two symmetrically arranged lower box type connecting pieces 8; the two lower box-like connectors 8 form a hole site space for the assembly of the lower section of the intermediate plate-pin connector,
as shown in fig. 5 to 6, the lower box connector 8 includes:
a square plate 8-5, perpendicular to the axis direction of the module column, wherein the square plate 8-5 is welded with the module column 2;
an L-shaped folded plate 8-2 perpendicular to the axial direction of the module beam 4, wherein the outer side surface of the L-shaped folded plate 8-2 is welded with the module beam 4 respectively; the bottom surface of the L-shaped folded plate 8-2 is welded with the square plate 8-5, and the outer side surface of the L-shaped folded plate 8-2 is overlapped with the outer side surface of the square plate 8-5;
the arc bending plate 8-1 is perpendicular to the axis direction of the module beam, the bottom surface of the arc bending plate 8-1 is welded with the square plate 8-5, the vertical surface of the arc bending plate 8-1 in the thickness direction is welded with the inner side surface of the L-shaped folded plate 8-2, and the outer side surface of the arc bending plate 8-1 is overlapped with the outer side surface of the square plate 8-5;
one hole-forming plate 8-3 is parallel to the square plate 8-2, and the outer side surface of the hole-forming plate 8-3 is welded with the arc bending plate 8-1 and the L-shaped folded plate 8-2; the outer surface of the hole plate 8-3 is overlapped with the top surface of the arc bending plate 8-1;
the round steel pipe 8-4 is perpendicular to the square plate 8-5, and the bottom surface of the round steel pipe 8-4 is welded with the direction plate 8-5; the top surface of the round steel pipe 8-4 coincides with the outer surface of the hole-forming plate 8-3, namely the round steel pipe 8-4 is communicated with the hole-forming plate 8-3; the side surface of the round steel pipe 8-4 is welded with the inner side surface of the hole plate 8-3; the round steel pipe 8-4 is used for being matched with a bolt 10 of the middle plate-pin connecting piece;
liang Chentong unit comprises two upper parts Liang Chentong and two lower parts Liang Chentong 6, wherein the upper parts Liang Chentong and the lower parts Liang Chentong are identical in structure, two side surfaces of the lower parts Liang Chentong and 356 are provided with concentric centering operation holes with the same size, and the lower parts Liang Chentong 6 are welded with the outer side surfaces of the L-shaped folded plates 8-2; the outer surface of the lower part Liang Chentong is tightly contacted with the inner surface of the lower module ceiling beam 4;
the module beam unit comprises two upper module floor beams 3 and two lower module ceiling beams 4, and the upper module floor beams 3 and the lower module ceiling beams 4 have the same structure. The outer side surface of the lower module ceiling beam 4 is provided with a bolt hole, the inner side surface is provided with an operation hole, the two holes are concentric and matched with the operation hole of the lower Liang Chentong and the oblong hole of the vertical plate 12; the lower module ceiling beam 4 is welded with the outer side surface of the L-shaped folded plate 8-2, and the lower module ceiling beam 4 is tightly contacted with the outer surface of the lower part Liang Chentong.
An upper modular unit is formed by an upper box type connecting piece 7, an upper module floor beam 3 and an upper module column 1; the lower box type connecting piece 8, the lower module ceiling beam 4 and the lower module column 2 form a lower modularized unit; all welded connections are performed in advance at the factory. The upper modular unit and the lower modular unit are steel members and are vertically symmetrical about the contact surface of the upper modular unit and the lower modular unit. The upper and lower modular units are in close contact; the integrity of the node area is ensured, and the structural stress performance requirement is met.
In this embodiment, the strength levels of the upper module floor beam 3 and the lower module ceiling beam 4 in the module beam unit are Q235, Q355, Q390 or Q420; the intensity level of the lower module column 2 of the upper module column 1 is Q235, Q355, Q390 or Q420; the strength grade of the upper and lower box connectors 7, 8 may be Q235, Q355, Q390 or Q420; the strength grade of the midplane-pin connection is Q235, Q355, Q390, or Q420.
The construction method of the box type plate-pin connected modularized steel structure corner bolt connection node comprises the following steps (1) - (7):
welding the upper and lower box connectors 7 and 8:
take the example of welding the lower box connector 8: firstly, respectively welding an arc bending plate 8-1 and an L-shaped folded plate 8-2 on a square plate 8-5, wherein the outer side surfaces of the arc bending plate 8-1 and the L-shaped folded plate 8-2 are overlapped; then welding the vertical surface of the arc bending plate 8-1 in the thickness direction with the inner side surface of the L-shaped folded plate 8-2; then welding the outer side surface of the hole plate 8-3 with the inner side surface of the L-shaped folded plate 8-2 and the arc bent plate 8-1; and finally, welding the side surface of the round steel pipe 8-4 with the inner side surface of the hole plate 8-3, and welding the bottom surface with the square plate 8-5.
(2) Welding Liang Chentong unit:
the Liang Chentong unit includes a lower portion Liang Chentong and an upper portion Liang Chentong 5;
a lower portion Liang Chentong is welded to the outer side of the L-shaped flaps 8-2 in the lower box connector 8 and an upper portion Liang Chentong is welded to the outer side of the L-shaped flaps in the upper box connector 7.
(3) Welding a module beam unit:
the module beam unit comprises a lower module ceiling beam 4 and an upper module floor beam 3;
a lower module ceiling beam 4 is welded on the outer side surface of the L-shaped folded plate 8-2 in the lower box type connecting piece 8, and an upper module floor beam 3 is welded on the outer side surface of the L-shaped folded plate in the upper box type connecting piece 7; the inner surface of the module beam is in close contact with the outer surface of Liang Chentong. I.e. the upper module floor beams 3 are in close contact with the outer surface of the upper Liang Chentong and the lower module ceiling beams 4 are in close contact with the outer surface of the outer Liang Chentong.
(4) Welding the lower module column and the upper module column:
welding an upper module column 1 to the top surface of the square plate in the upper box-type connector 7, and welding a lower module column 2 to the bottom surface of the square plate 8-5 in the lower box-type connector 8;
(5) Welding the intermediate plate-pin connection:
a hole is formed in the middle of the horizontal plate 11 at a bolt positioning hole, the hole is matched with the bolt 10 for welding, and then an opening at one corner of the horizontal plate 11 is welded with the central round bar 9; and the middle parts of the last two vertical plates 12 are grooved, the horizontal plates 11 are inserted and are contacted with the central round bar 9, and the last two vertical plates are welded to form a whole, wherein the outer side surfaces 12 of the two vertical plates are respectively overlapped with the corresponding outer side surfaces of the horizontal plates 11.
(6) Mounting an intermediate plate-pin connection:
inserting the lower section of the bolt 10 of the middle plate-pin connector into a steel pipe hole of the lower box connector 8, and connecting the oblong hole of the vertical plate 12 of the middle plate-pin connector with the bolt hole on the outer side surface of the ceiling beam 4 of the lower module through the lower bolt 14;
(7) Installing an upper box type connecting piece:
the upper section of the bolt 10 of the middle plate-pin connector is placed into a steel pipe hole of the upper box connector 7, and then the oblong hole of the vertical plate 12 of the middle plate-pin connector and the bolt hole on the outer side surface of the upper module floor beam 3 are connected through the upper bolt 13.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and the technical solution of the utility model is not departing from the scope of the utility model.
Claims (8)
1. A modular steel structure corner bolting node for cassette plate-pin connection comprising:
the middle plate-pin connecting piece comprises a center round bar, a bolt, a horizontal plate and two vertical plates; the middle part of the horizontal plate is provided with a hole and is welded with the bolt in a matched manner, and one corner of the horizontal plate is welded with the central round bar; the upper surface and the lower surface of the horizontal plate are symmetrical with the upper surface and the lower surface of the central round bar;
the upper and lower parts of the two vertical plates are symmetrically provided with long round holes matched with the side surfaces of the module beam units, the middle parts of the two vertical plates are grooved, inserted into the horizontal plates and contacted with the central round bar, the three vertical plates are welded to form a whole, and the outer side surfaces of the two vertical plates are respectively overlapped with the corresponding outer side surfaces of the horizontal plates;
the upper box type connecting piece and the lower box type connecting piece are vertically symmetrical and have the same structure, the lower box type connecting piece forms a hole site space for assembling the lower section of the middle plate-pin connecting piece, and the lower box type connecting piece comprises:
the square plate is perpendicular to the axis direction of the module column and is welded with the module column;
the outer side surfaces of the L-shaped folded plates are welded with a module beam respectively; the bottom surface of the L-shaped folded plate is welded with the square plate, and the outer side surface of the L-shaped folded plate is overlapped with the outer side surface of the square plate;
the arc bending plate is perpendicular to the axis direction of the module beam, the bottom surface of the arc bending plate is welded with the square plate, the vertical surface of the thickness direction of the arc bending plate is welded with the inner side surface of the L-shaped folded plate, and the outer side surface of the arc bending plate is overlapped with the outer side surface of the square plate;
the outer side surface of the hole plate is welded with the arc bending plate and the L-shaped folded plate; the outer surface of the hole plate is overlapped with the top surface of the arc bending plate;
the round steel pipe is perpendicular to the square plate, and the bottom surface of the round steel pipe is welded with the direction plate; the top surface of the round steel pipe is overlapped with the outer surface of the hole plate; the side surface of the round steel pipe is welded with the inner side surface of the hole plate; the round steel tube is used for being matched with a bolt of the middle plate-pin connecting piece;
liang Chentong unit comprises two upper parts Liang Chentong and two lower parts Liang Chentong, wherein the upper parts Liang Chentong and the lower parts Liang Chentong have the same structure, two side surfaces of the lower parts Liang Chentong are provided with concentric centering operation holes with the same size, and the lower parts Liang Chentong are welded with the outer side surfaces of the L-shaped folded plates; the outer surface of the lower part Liang Chentong is tightly contacted with the inner surface of the lower module ceiling beam;
the module beam unit comprises two upper module floor beams and two lower module ceiling beams, the upper module floor beams and the lower module ceiling beams have the same structure, the outer side surfaces of the lower module ceiling beams are provided with bolt holes, the inner side surfaces of the lower module ceiling beams are provided with operation holes, and the two holes are concentric and matched with the lower Liang Chentong operation holes and the vertical plate slotted holes; the lower module ceiling beam is welded with the outer side face of the L-shaped folded plate; the lower module ceiling beam inner surface is in contact with the lower Liang Chentong outer surface.
2. The modular steel structure corner bolted joint according to claim 1, wherein said intermediate plate-pin connector pins are respectively aligned with the upper and lower box connector steel pipes after the intermediate plate-pin connector, upper box connector and lower box connector are installed.
3. The modular steel structure corner bolted joint according to claim 1, wherein after the intermediate plate-pin connector, upper box connector and lower box connector are installed, the intermediate plate-pin connector upper surface is in contact with the upper box connector aperture plate and the intermediate plate-pin connector lower surface is in contact with the lower box connector aperture plate.
4. The modular steel structure corner bolted joint according to claim 1, wherein said vertical plate inner surface coincides with both the upper and lower box connector cambered plate outer surfaces and the modular beam unit outer surfaces after the intermediate plate-pin connector, upper box connector and lower box connector are installed.
5. The deck-pin connected modular steel structure corner bolted joint according to claim 1, wherein said upper and lower box connectors are symmetrically disposed up and down.
6. The deck-pin connected modular steel structure corner bolted joint according to claim 1, wherein said Liang Chentong units are each made of square tubular members.
7. The deck-pinned modular steel structure corner bolted joint according to claim 1, wherein said modular beam units, upper modular columns and lower modular columns are each fabricated from square tubular members.
8. The boxboard-pinned modular steel structure corner bolted joint of claim 1, wherein said modular beam units have a strength rating of Q235, Q355, Q390, or Q420.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320168937.4U CN219569189U (en) | 2023-02-09 | 2023-02-09 | Modular steel structure corner bolted joint for box plate-pin connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320168937.4U CN219569189U (en) | 2023-02-09 | 2023-02-09 | Modular steel structure corner bolted joint for box plate-pin connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219569189U true CN219569189U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320168937.4U Active CN219569189U (en) | 2023-02-09 | 2023-02-09 | Modular steel structure corner bolted joint for box plate-pin connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219569189U (en) |
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2023
- 2023-02-09 CN CN202320168937.4U patent/CN219569189U/en active Active
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