CN211817005U - Pouring type steel module connecting node structure - Google Patents

Pouring type steel module connecting node structure Download PDF

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Publication number
CN211817005U
CN211817005U CN201922012635.4U CN201922012635U CN211817005U CN 211817005 U CN211817005 U CN 211817005U CN 201922012635 U CN201922012635 U CN 201922012635U CN 211817005 U CN211817005 U CN 211817005U
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China
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pipe column
steel
steel pipe
connecting rod
bottom plate
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CN201922012635.4U
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Chinese (zh)
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李浩然
褚丝绪
姜坤
王鑫
解莎莎
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MCC Tiangong Group Corp Ltd
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MCC Tiangong Group Corp Ltd
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Abstract

The utility model provides a pouring type steel module connected node structure, including lower steel-pipe column, the upper end is provided with the bottom plate in the steel-pipe column down, the bottom plate will steel-pipe column upper end separates into an upper end opening lower extreme confined tubular structure down, the butt joint of steel-pipe column upper end is equipped with the steel-pipe column down, down the steel-pipe column in bottom plate upper portion space and go up the inner space intussuseption of steel-pipe column lower part and be filled with grouting material, grouting material's liquid level is higher than go up steel-pipe column bottom 200mm-500mm, the vertical fixation sets up the connecting rod on the bottom plate, the connecting rod upper end stretches into go up steel-pipe column inner space, through local grouting material cooperation bar planting filling connection, avoided the front stage construction to cause the technical defect of influence to the back stage construction, realize the rigid connection between the steel module, the construction is simple.

Description

Pouring type steel module connecting node structure
Technical Field
The utility model belongs to the technical field of steel construction modularization building structure, especially, relate to a fill formula steel module connected node structure.
Background
The modular building is an assembly type building form with the highest integration level, and can be produced and industrialized. The design assumption for modular building nodes, basically defined as hinged nodes, can dramatically increase the height of medium and high-rise modular building steel-beam-containing beams, but there is no node form capable of supporting rigid connection at present. In the construction process, the modules containing four corner fittings are assembled, concrete rigid connection of the steel pipe columns arranged like a Chinese character jing is realized, the last node has no operation space, the operation difficulty is increased, the connection strength cannot be guaranteed, and the anti-seismic risk of the structure is increased.
Therefore, the utility model provides a formula steel module rigid connection node is filled to part through inside bar planting, and the grouting material that excels in is filled to part, realizes the rigid connection between the steel module. And when the node is constructed, the upper grouting mode can be adopted, and the defect-free connection 1111 of each node can be realized
SUMMERY OF THE UTILITY MODEL
The utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model provides a pour into formula steel module connected node structure has easy operation, realizes the characteristics of the rigid connection between the steel module.
In order to solve the technical problem, the utility model provides a fill formula steel module connected node structure, including lower steel-pipe column, the upper end is provided with the bottom plate in the steel-pipe column down, the bottom plate will steel-pipe column upper end separates into an upper end opening lower extreme confined tubular structure down, the butt joint of steel-pipe column upper end is equipped with the steel-pipe column down, steel-pipe column infrabasal plate upper portion space down and the inner space intussuseption of going up the steel-pipe column lower part is filled with grout material, grout material's liquid level is higher than go up steel-pipe column bottom 200mm-500mm, the vertical fixation sets up the connecting rod on the bottom plate, the connecting rod upper end stretches into go up steel-pipe column inner space.
Preferably, the upper steel pipe column and the lower steel pipe column are 4, and the 4 upper steel pipe columns and the 4 lower steel pipe columns are arranged in a shape like a Chinese character 'jing'.
Preferably, a base plate is arranged between the upper steel pipe column and the lower steel pipe column, the peripheral size of the base plate is not less than 4, the peripheral size of the whole lower steel pipe column is not less than 4, a through hole is formed in the position, corresponding to the connecting rod, of the base plate, and the connecting rod penetrates through the through hole.
Preferably, the through holes are fixedly provided with sleeves, two ends of each sleeve respectively extend into the inner spaces of the lower steel pipe column and the upper steel pipe column, and the connecting rods penetrate through the sleeves.
Preferably, the upper middle position and the lower middle position of the base plate are transversely and longitudinally provided with cross-shaped bulges, the width of each bulge is equal to the distance between two adjacent lower steel pipe columns, and the bulges are used for fixing and limiting the upper steel pipe column and the lower steel pipe column.
Preferably, gaskets are arranged at the upper end of the upper steel pipe column and the lower end of the lower steel pipe column, and the sizes of the gaskets and the port face of the lower steel pipe column are consistent.
Preferably, the lateral surface of the lower end of the upper steel pipe column is provided with a slurry overflow hole, and the height of the slurry overflow hole is higher than that of the upper end of the connecting rod.
Preferably, a nut is fixedly arranged on the bottom plate corresponding to the connecting rod, an external thread matched with the nut is arranged at the lower end of the connecting rod, and the lower end of the connecting rod is in threaded connection with the bottom plate through the nut.
The utility model discloses a have a bit and beneficial effect:
the operation is simple, no operation dead angle exists, and the quality is controllable;
secondly, the internal embedded steel bars are matched with grouting material, so that the node rigidity is high;
and thirdly, adopting upper grouting to realize the flawless connection of each node.
Drawings
Fig. 1 is an exploded view of a connection node structure of a pouring type steel module according to an embodiment of the present invention;
fig. 2 is a construction schematic diagram of a pouring type steel module connection node structure according to an embodiment of the present invention;
fig. 3 is a partially exploded view of a pouring steel module connecting joint structure according to an embodiment of the present invention;
fig. 4 is a schematic view of the connection relationship among the bottom plate, the connecting rod, the sleeve and the base plate of the pouring type steel module connection node structure according to the embodiment of the present invention;
fig. 5 is a top view of a backing plate and a gasket of a poured steel module connection node structure according to an embodiment of the present invention;
in the figure:
1. lower steel pipe column 2, bottom plate 3 and upper steel pipe column
4. Connecting rod 5, backing plate 6 and through hole
7. Sleeve 8, boss 9, gasket
10. Grout overflow hole 11 and nut
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
For example, fig. 1 is a structural exploded view of a pouring type steel module connecting node structure according to an embodiment of the present invention; fig. 2 is a construction schematic diagram of a pouring type steel module connection node structure according to an embodiment of the present invention; fig. 3 is a partially exploded view of a pouring steel module connecting joint structure according to an embodiment of the present invention; fig. 4 is a schematic view of a connection relationship between a bottom plate, a connecting rod and a sleeve of a poured steel module connection node structure according to an embodiment of the present invention; fig. 5 is a top view of backing plate and gasket of pouring type steel module connected node structure of the utility model discloses. Specifically, as shown in fig. 1 to 5, the utility model provides a pouring type steel module connected node structure, including lower steel-pipe column 1, the upper end is provided with bottom plate 2 in the lower steel-pipe column 1, and bottom plate 2 separates into an upper end opening lower extreme confined tubular structure with lower steel-pipe column 1 upper end down, and lower 1 upper end butt joint of steel-pipe column is equipped with steel-pipe column 3, and the inner space intussuseption of 1 interior bottom plate 2 upper portion space of lower steel-pipe column and last steel-pipe column 3 lower part is filled with grout material, grout material's liquid level exceeds 3 bottom 200mm-500mm of steel-pipe column, and the vertical fixation sets up connecting rod 4 on the bottom plate 2, and connecting rod 4 upper end stretches into 3 inner. The bottom plate 2 is a high-strength material, and preferably, the bottom plate 2 is a steel plate and is welded to the inside of the upper end of the lower steel pipe column 1 by a welding process. The grouting material is high-strength grouting material, high-strength materials are used as aggregates, cement is used as a bonding agent, substances with high flow state, micro expansion, segregation prevention and the like are used as auxiliary materials, a certain amount of water is added in a construction site, the grouting material can be used after being uniformly stirred, a high-strength structure is formed by combining the implanted connecting rod 4, and the rigid connection of the lower steel pipe column 1 and the upper steel pipe column 3 is completed. Wherein, 4 high strength material of connecting rod, preferred be the reinforcing bar, further preferred be the screw-thread steel, connecting rod 4 can weld on bottom plate 2. In the operation process, the top that highly surpasses connecting rod 4 of grout material prevents to take place the intensity that the corrosion influences later stage structure with the air contact.
Preferably, the upper steel pipe column 3 and the lower steel pipe column 1 are 4, and the 4 upper steel pipe columns 3 and the 4 lower steel pipe columns 1 are arranged in a cross shape. For the traditional construction process, the steel pipe columns are generally connected and fixed in a welding mode, but for the steel pipe columns arranged in a crisscross shape, the steel pipe columns which are welded firstly can affect the welding operation of the steel pipe columns which need to be welded later, the operation space of the subsequent welding operation is smaller and smaller, the operation difficulty is higher, and the controllability of the welding quality is reduced.
Preferably, a backing plate 5 is arranged between the upper steel pipe column 3 and the lower steel pipe column 1, the peripheral size of the backing plate 5 is not less than the whole peripheral size of the lower steel pipe column 1, a through hole 6 is formed in the position, corresponding to the connecting rod 4, of the backing plate 5, and the connecting rod 4 penetrates through the through hole 6. The backing plate 5 is made of a high-strength material, preferably a steel plate, and further, the upper steel pipe column 3, the lower steel pipe column 1 and the backing plate 5 can be welded together to enhance the overall rigidity and stability.
Preferably, a sleeve 7 is fixedly arranged on the through hole 6, two ends of the sleeve 7 respectively extend into the inner spaces of the lower steel pipe column 1 and the upper steel pipe column 3, and the connecting rod 4 penetrates through the sleeve 7. It should be noted that the sleeve 7 may be made of a high-strength polymer material and connected to the backing plate 5 by hot melting or using an adhesive, or the sleeve 7 is made of a metal material and fixedly connected to the backing plate 5 by a welding process, such as a steel sleeve.
The preferable scheme is that the upper middle position and the lower middle position of the base plate 5 are transversely and longitudinally provided with cross-shaped protrusions 8, the width of each protrusion 8 is equal to the distance between two adjacent lower steel pipe columns 1, the protrusions 8 are used for fixing and limiting the upper steel pipe columns 3 and the lower steel pipe columns 1, and meanwhile, 4 steel pipe columns can be combined into a whole, so that the overall stability of the structure is improved.
Preferably, gaskets 9 are arranged at the upper end of the upper steel pipe column 3 and the lower end of the lower steel pipe column 1, and the sizes of the gaskets 9 and the port surface of the lower steel pipe column 1 are consistent. Preferably, the gasket 9 is made of rubber.
Preferably, the lateral surface of the lower end of the upper steel pipe column 3 is provided with a slurry overflow hole 10, and the height of the slurry overflow hole 10 is higher than that of the upper end of the connecting rod 4. And pouring the grouting material from the top of the upper steel pipe column 3, and after the height of the top surface of the grouting material rises to the height of the grout overflow hole 10, overflowing the grouting material from the grout overflow hole 10, and stopping pouring.
The preferable scheme is that a nut 11 is fixedly arranged on the bottom plate 2 corresponding to the connecting rod 4, an external thread matched with the nut 11 is arranged at the lower end of the connecting rod 4, and the lower end of the connecting rod 4 is in threaded connection with the bottom plate 2 through the nut 11. Preferably, connecting rod 4 is the reinforcing bar, and the lower extreme is provided with the external screw thread, can weld a plurality of nuts 11 on bottom plate 2 in advance, and the position of a plurality of nuts 11 and the 6 positions one-to-one in the through-hole on the backing plate 2 only need bar connecting rod 4 to screw in nut 11 can accomplish the operation during the construction operation.
The utility model discloses a construction method of a pouring type steel module connecting node structure, which comprises the following steps,
s1, fixedly arranging a bottom plate on the inner side of the lower steel pipe column, fixedly arranging a connecting rod on the bottom plate, vertically aligning the upper steel pipe column with the lower steel pipe column and then butting the upper steel pipe column and the lower steel pipe column;
s2, pouring grouting material from the top of the upper steel pipe column to the inside until the liquid level of the grouting material is 200-500 mm higher than the bottom end of the upper steel pipe column;
and S3, curing the grouting material.
Preferably, in step S1, gaskets are placed at the upper end of the lower steel pipe column and the lower end of the upper steel pipe column, a pad plate with a through hole is secured between the upper gasket and the lower gasket, a sleeve is fixed to the through hole, and the connecting rod passes through the sleeve;
and step S2, a hole is formed in the position, 200mm-500mm away from the lower end, of the side surface of the upper steel pipe column, and grouting is poured until the grouting overflows from the grout overflow hole and then pouring is stopped.
Preferably, the bottom plate 2 is a steel plate, the periphery of the bottom plate 2 is welded on the inner side of the lower steel pipe column 1 by adopting a welding process, the connecting rod 4 is made of deformed steel, the connecting rod 4 is welded on the bottom plate 4 or a nut 11 is welded on the bottom plate corresponding to the lower end of the connecting rod 4, and the lower end of the connecting rod 4 is sleeved with an external thread by a threading machine and is used for being connected with the nut 11.
Through above-mentioned technical scheme, changed the connected mode of steel tubular column, changed into local grout material cooperation bar planting filling connection by the direct welding, avoided the preceding stage construction to cause the technical defect of influence to the back stage construction, realize the rigid connection between the steel module, the construction is simple, and the quality is controllable.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (8)

1. The utility model provides a perfusion type steel module connected node structure, its characterized in that includes lower steel-pipe column, the upper end is provided with the bottom plate in the lower steel-pipe column, the bottom plate will lower steel-pipe column upper end separates into a upper end opening lower extreme confined tubular structure, lower steel-pipe column upper end butt joint is equipped with the steel-pipe column, the interior space intussuseption of bottom plate upper portion space and last steel-pipe column lower part is filled with grout material down, grout material's liquid level is higher than go up steel-pipe column bottom 200mm-500mm, the vertical fixation sets up the connecting rod on the bottom plate, the connecting rod upper end stretches into go up steel-pipe column interior space.
2. The poured steel module connection node structure according to claim 1, wherein the upper steel pipe column and the lower steel pipe column are 4, and the 4 upper steel pipe columns and the 4 lower steel pipe columns are arranged in a cross shape.
3. The poured steel module connection node structure according to claim 2, wherein a base plate is arranged between the upper steel pipe column and the lower steel pipe column, the peripheral dimension of the base plate is not less than 4 of the overall peripheral dimension of the lower steel pipe column, a through hole is arranged on the base plate corresponding to the connecting rod, and the connecting rod passes through the through hole.
4. The poured steel module connection node structure according to claim 3, wherein a sleeve is fixedly arranged on each through hole, two ends of each sleeve respectively extend into the inner space of the lower steel pipe column and the inner space of the upper steel pipe column, and the connecting rod penetrates through the sleeves.
5. The poured steel module connection node structure according to claim 4, wherein cross-shaped protrusions are arranged at the upper and lower middle positions of the base plate in the transverse and longitudinal directions, the width of each protrusion is equal to the distance between two adjacent lower steel pipe columns, and the protrusions are used for fixing and limiting the upper steel pipe column and the lower steel pipe columns.
6. The poured steel module connection node structure according to claim 5, wherein gaskets are arranged at the upper end of the upper steel pipe column and the lower end of the lower steel pipe column, and the sizes of the gaskets and the size of the port face of the lower steel pipe column are consistent.
7. The poured steel module connecting joint structure according to claim 6, wherein the side surface of the lower end of the upper steel pipe column is provided with a grout overflow hole, and the height of the grout overflow hole is higher than the height of the upper end of the connecting rod.
8. The poured steel module connecting joint structure according to claim 7, wherein a nut is fixedly arranged on the bottom plate corresponding to the connecting rod, an external thread matched with the nut is arranged at the lower end of the connecting rod, and the lower end of the connecting rod is in threaded connection with the bottom plate through the nut.
CN201922012635.4U 2019-11-20 2019-11-20 Pouring type steel module connecting node structure Active CN211817005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922012635.4U CN211817005U (en) 2019-11-20 2019-11-20 Pouring type steel module connecting node structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922012635.4U CN211817005U (en) 2019-11-20 2019-11-20 Pouring type steel module connecting node structure

Publications (1)

Publication Number Publication Date
CN211817005U true CN211817005U (en) 2020-10-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984398A (en) * 2019-11-20 2020-04-10 中冶天工集团有限公司 Pouring type steel module connecting joint structure and construction method
CN113216390A (en) * 2021-04-25 2021-08-06 哈尔滨工业大学(深圳) Modular steel structure connecting joint adopting inner sleeve grouting connection and mounting method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984398A (en) * 2019-11-20 2020-04-10 中冶天工集团有限公司 Pouring type steel module connecting joint structure and construction method
CN113216390A (en) * 2021-04-25 2021-08-06 哈尔滨工业大学(深圳) Modular steel structure connecting joint adopting inner sleeve grouting connection and mounting method
CN113216390B (en) * 2021-04-25 2023-08-11 哈尔滨工业大学(深圳) Modularized steel structure connecting node adopting inner sleeve grouting connection and mounting method

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