CN113668701A - Assembly type circular steel pipe column node connecting device and assembly method - Google Patents

Assembly type circular steel pipe column node connecting device and assembly method Download PDF

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Publication number
CN113668701A
CN113668701A CN202110986941.7A CN202110986941A CN113668701A CN 113668701 A CN113668701 A CN 113668701A CN 202110986941 A CN202110986941 A CN 202110986941A CN 113668701 A CN113668701 A CN 113668701A
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CN
China
Prior art keywords
steel
pipe column
steel pipe
hollow cylindrical
steel plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110986941.7A
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Chinese (zh)
Inventor
马跃
邢广志
刘平
杨新峰
舒浙锋
仓杰卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Application filed by Jiangsu University of Science and Technology filed Critical Jiangsu University of Science and Technology
Priority to CN202110986941.7A priority Critical patent/CN113668701A/en
Publication of CN113668701A publication Critical patent/CN113668701A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2454Connections between open and closed section profiles

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses an assembly type round steel pipe column joint connecting device and an assembly method, wherein the assembly type round steel pipe column joint connecting device comprises a steel pipe column, a connecting piece and steel beams, a plurality of steel beams are arranged on the outer side of the steel pipe column in an annular array mode, the steel beams are connected with the steel pipe column through the connecting piece, a plurality of outer ribs are arranged on the lower portion of the steel pipe column in an annular array mode, the connecting piece is correspondingly arranged at the tops of the outer ribs and comprises a steel body, a plurality of clamping grooves are formed in the annular array on the steel body, steel plates are connected in the clamping grooves, and the steel plates are connected with the steel beams. The invention can solve the problem of poor welding between the existing circular steel pipe column and the section steel beam, and has small space occupancy rate; the rigidity and the bearing capacity of the node are improved to a great extent by overlapping and sleeving connecting pieces such as the annular thin steel plate and the like, and the node also has better integrity and stability; the device has more movability by utilizing a bolt perforation fixing mode, not only is the connection between materials strengthened, but also the device has the advantages of convenience in mounting and dismounting, large application range and the like.

Description

Assembly type circular steel pipe column node connecting device and assembly method
Technical Field
The invention relates to the technical field of structural engineering, in particular to an assembly type circular steel pipe column node connecting device and an assembly method.
Background
The assembled steel structure connecting node device meets the development requirement of building industrialization, is convenient to mount and dismount, has a wide application range and other advantages, is more and more favored by people, and meets the concept of green buildings.
At present, most of fabricated steel structure beam column nodes are connected between square cylinders and section steel beams, the number of the related round steel pipe columns is small, the effect of direct welding between the existing round steel pipe columns and the section steel beams is poor, and the mode of node connection is too simple, so that the structure does not have strong node rigidity and bearing capacity. In the traditional beam-column all-welded joint, on-site welding is needed, so that the construction speed and quality are greatly influenced, and meanwhile, the stress performance of the joint is also influenced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an assembly type round steel pipe column joint connecting device and an assembly method, and aims to solve the problem that existing round steel pipe columns and section steel beams are poor in welding.
The technical scheme is as follows: the steel pipe column comprises a steel pipe column, a connecting piece and steel beams, wherein a plurality of steel beams are arranged on the outer side of the steel pipe column in an annular array mode, the steel beams are connected with the steel pipe column through the connecting piece, a plurality of outer ribs are arranged on the lower portion of the steel pipe column in an annular array mode, the connecting piece is correspondingly arranged on the tops of the outer ribs, the connecting piece comprises a steel body, a plurality of clamping grooves are formed in the annular array on the steel body, steel plates are connected in the clamping grooves, and the steel plates are connected with the steel beams.
The steel body be the hollow cylinder steel body, the hollow cylinder steel body cover the circular steel-pipe column outside, hollow cylinder steel body top is connected with first annular sheet steel, and the bottom is connected with the second annular sheet steel.
And the second annular thin steel plate is arranged on the outer rib so as to be connected with the round steel pipe column.
The hollow cylindrical steel body is provided with positioning holes which correspond to the bolt connecting holes in the first annular thin steel plate and the second annular thin steel plate one by one, so that the first annular thin steel plate, the second annular thin steel plate and the hollow cylindrical steel body are connected into a whole.
And the first annular thin steel plate and the second annular thin steel plate are provided with bolt connecting holes.
The bolt connecting holes correspond to the positioning holes one by one, so that the annular thin steel plate, the second annular thin steel plate and the hollow cylindrical steel body are connected into a whole.
The steel beam is an H-shaped steel beam, a web plate of the H-shaped steel beam is provided with a plurality of connecting holes, and the connecting holes correspond to the bolt holes in the T-shaped steel plate one by one and are connected through bolts.
The steel plate is a T-shaped steel plate, a plurality of bolt holes are formed in the T-shaped steel plate, the bolt holes correspond to the connecting holes in the H-shaped steel beam one by one and are connected through bolts.
The steel pipe column is a round steel pipe column.
A construction method of an assembly type round steel pipe column joint connecting device comprises the following steps:
(1) sequentially sleeving a second annular thin steel plate and the hollow cylindrical steel body on the outer ribs on the surface of the round steel pipe column, and nesting the prefabricated T-shaped steel plate in the clamping groove of the hollow cylindrical steel body;
(2) sleeving the first annular steel sheet on the hollow cylindrical steel body, and reinforcing the two annular steel sheets and the hollow cylindrical steel body on the circular steel pipe column through the bolt connecting hole and the positioning hole;
(3) and corresponding the connecting holes on the web plate of the H-shaped steel beam to the connecting holes on the T-shaped steel plate and connecting and reinforcing the connecting holes through bolts.
Has the advantages that: the invention can solve the problem of poor welding between the existing circular steel pipe column and the section steel beam, and has small space occupancy rate; the rigidity and the bearing capacity of the node are improved to a great extent by overlapping and sleeving connecting pieces such as the annular thin steel plate and the like, and the node also has better integrity and stability; the device has more movability by utilizing a bolt perforation fixing mode, not only is the connection between materials strengthened, but also the device has the advantages of convenience in mounting and dismounting, large application range and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an H-beam of the present invention;
FIG. 3 is a schematic view of a circular steel pipe column according to the present invention;
FIG. 4 is a schematic view of the ring-shaped thin steel plate of the present invention;
FIG. 5 is a schematic view of a hollow cylindrical steel body of the present invention;
FIG. 6 is a schematic view of a T-shaped steel plate according to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in figure 1, the steel pipe column comprises a circular steel pipe column 1, connecting pieces and H-shaped steel beams 3, wherein four H-shaped steel beams 3 are annularly arrayed on the outer side of the circular steel pipe column 1, and the H-shaped steel beams 3 are connected with the circular steel pipe column 1 through the connecting pieces. As shown in fig. 3, the lower annular array of the circular steel pipe column 1 is provided with four triangular outer ribs 2, and the connecting pieces are correspondingly arranged on the tops of the outer ribs 2.
As shown in fig. 4 to 6, the connecting member includes a first annular thin steel plate 4, a second annular thin steel plate 5, a hollow cylindrical steel body 6 and a T-shaped steel plate 7, wherein the hollow cylindrical steel body 6 is sleeved outside the circular steel pipe column 1, the first annular thin steel plate 4 is installed on the top of the hollow cylindrical steel body 6, the second annular thin steel plate 5 is installed on the bottom of the hollow cylindrical steel body 6, four T-shaped clamping grooves 601 are formed in the hollow cylindrical steel body 6 in an annular array, and the T-shaped clamping grooves 601 penetrate through the whole hollow cylindrical steel body 6 along the axial direction of the hollow cylindrical steel body 6. Two positioning holes 8 are formed in the hollow cylindrical steel body 6 in the axial direction, two bolt connecting holes are correspondingly formed in the first annular thin steel plate 4 and the second annular thin steel plate 5 and correspond to the positioning holes 8, when the T-shaped steel plate connecting device is used, the T-shaped steel plate 7 is inserted into the T-shaped clamping groove 601 corresponding to the hollow cylindrical steel body 6, the first annular thin steel plate 4, the hollow cylindrical steel body 6 and the second annular thin steel plate 5 are sequentially connected into a whole through bolts, a connecting piece is formed, and the connecting piece is fixed on the outer rib 2.
As shown in fig. 2, the H-shaped steel beam 3 comprises a web plate, a plurality of bolt holes are formed in the web plate, as shown in fig. 6, a plurality of connecting holes are formed in the T-shaped steel plate 7, and when the H-shaped steel beam 3 is used, the bolt holes of the H-shaped steel beam 3 are connected with the connecting holes of the T-shaped steel plate 7 through bolts 9, so that the H-shaped steel beam 3 is connected with the circular steel pipe column 1.
The first annular thin steel plate 4 and the second annular thin steel plate 5 are equal in shape and size; the height of the web plate of the H-shaped steel beam 3 is equal to that of the T-shaped steel plate 7; the annular width of the first annular thin steel plate 4 and the second annular thin steel plate 5 is equal to the thickness of the hollow cylindrical steel body 6; the inner diameters of the circular rings of the first annular thin steel plate 4 and the second annular thin steel plate 5 are equal to the outer diameter of the circular steel pipe column 1; the inner diameter of the hollow cylindrical steel body 6 is equal to the outer diameter of the round steel pipe column 1 in size; the thickness of the flange of the T-shaped steel plate 7 is the same as the size of the T-shaped clamping groove 601 in the hollow cylindrical steel body 6. The bolt holes in the web plate of the H-shaped steel beam 3 correspond to the connecting holes in the T-shaped steel plate 7 in position and have the same hole diameter; the bolt connecting holes on the first annular thin steel plate 4 correspond to the positioning holes 8 on the hollow cylindrical steel body 6.
During installation, the second annular thin steel plate 5 and the hollow cylindrical steel body 6 are sequentially sleeved on the outer rib 2 welded on the surface of the round steel pipe column 1, the T-shaped steel plate 3 is embedded into the T-shaped clamping groove 601 of the hollow cylindrical steel body 6, the first annular thin steel plate 4 is arranged on the hollow cylindrical steel body 6, the first annular thin steel plate 4, the second annular thin steel plate 5 and the hollow cylindrical steel body 6 are reinforced on the round steel pipe column 1 through corresponding bolt connecting holes and positioning holes 8, and finally connecting holes in a web plate of the H-shaped steel beam 3 correspond to connecting holes in the T-shaped steel plate 7 and are reinforced through bolts. The invention solves the problem of poor welding between the existing circular steel pipe column and the section steel beam, and the rigidity and the bearing capacity of the node are obviously improved by overlapping and sleeving the connecting pieces such as the annular thin steel plate and the like, the space occupancy rate is small, and the invention also has good integrity and stability. Through the mode of bolt perforation fixed, make the device have more mobility and application scope advantage such as big.
The construction method comprises the following steps:
(1) sequentially sleeving a second annular thin steel plate and the hollow cylindrical steel body on the outer ribs on the surface of the round steel pipe column, and nesting the prefabricated T-shaped steel plate in the clamping groove of the hollow cylindrical steel body;
(2) sleeving the first annular steel sheet on the hollow cylindrical steel body, and reinforcing the two annular steel sheets and the hollow cylindrical steel body on the circular steel pipe column through the bolt connecting hole and the positioning hole;
(3) and connecting holes in the web plate of the H-shaped steel beam correspond to connecting holes in the T-shaped steel plate and are connected and reinforced through bolts, so that a firm whole is formed.

Claims (10)

1. The utility model provides a circular steel-pipe column node connecting device of assembled, its characterized in that, includes steel-pipe column, connecting piece and girder steel, the outside annular array of steel-pipe column has many girder steels, all is connected through the connecting piece between girder steel and the steel-pipe column, and the lower part annular array of steel-pipe column has a plurality of outer ribs (2), the connecting piece correspond and install at outer rib (2) top, the connecting piece include the steel body, the annular array has a plurality of draw-in grooves on the steel body, the draw-in groove in-connection has the steel sheet, steel sheet and girder steel be connected.
2. The assembled circular steel pipe column joint connecting device according to claim 1, wherein the steel body is a hollow cylindrical steel body (6), the hollow cylindrical steel body (6) is sleeved outside the steel pipe column, the top of the hollow cylindrical steel body (6) is connected with a first annular thin steel plate (4), and the bottom of the hollow cylindrical steel body is connected with a second annular thin steel plate (5).
3. The fabricated round steel pipe column joint connection device as claimed in claim 2, wherein the second ring-shaped thin steel plate (5) is mounted on the outer rib (2).
4. The assembled circular steel pipe column joint connecting device according to claim 2, wherein the hollow cylindrical steel body (6) is provided with positioning holes (8).
5. The assembled circular steel pipe column joint connecting device as claimed in claim 2, wherein the first annular thin steel plate (4) and the second annular thin steel plate (5) are provided with bolt connecting holes.
6. The assembled circular steel pipe column joint connecting device according to claim 5, wherein the bolt connecting holes correspond to the positioning holes (8) in a one-to-one manner.
7. The assembled circular steel pipe column joint connecting device according to claim 1, wherein the steel beam is an H-shaped steel beam (3), and a web of the H-shaped steel beam (3) is provided with a plurality of connecting holes.
8. The assembled circular steel pipe column joint connecting device according to claim 1, wherein the steel plate is a T-shaped steel plate (7), the T-shaped steel plate (7) is provided with a plurality of bolt holes, and the bolt holes correspond to the connecting holes in the H-shaped steel beam (3) in a one-to-one mode and are connected through bolts (9).
9. The assembled circular steel pipe column joint connection device according to claim 1, wherein the steel pipe column is a circular steel pipe column (1).
10. The construction method of the fabricated circular steel pipe column joint connection device according to any one of claims 1 to 9, characterized by comprising the following steps:
(1) sequentially sleeving a second annular thin steel plate and the hollow cylindrical steel body on the outer ribs on the surface of the round steel pipe column, and nesting the prefabricated T-shaped steel plate in the clamping groove of the hollow cylindrical steel body;
(2) sleeving the first annular steel sheet on the hollow cylindrical steel body, and reinforcing the two annular steel sheets and the hollow cylindrical steel body on the circular steel pipe column through the bolt connecting hole and the positioning hole;
(3) and corresponding the connecting holes on the web plate of the H-shaped steel beam to the connecting holes on the T-shaped steel plate and connecting and reinforcing the connecting holes through bolts.
CN202110986941.7A 2021-08-26 2021-08-26 Assembly type circular steel pipe column node connecting device and assembly method Pending CN113668701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110986941.7A CN113668701A (en) 2021-08-26 2021-08-26 Assembly type circular steel pipe column node connecting device and assembly method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110986941.7A CN113668701A (en) 2021-08-26 2021-08-26 Assembly type circular steel pipe column node connecting device and assembly method

Publications (1)

Publication Number Publication Date
CN113668701A true CN113668701A (en) 2021-11-19

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Application Number Title Priority Date Filing Date
CN202110986941.7A Pending CN113668701A (en) 2021-08-26 2021-08-26 Assembly type circular steel pipe column node connecting device and assembly method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075386A (en) * 2022-06-27 2022-09-20 江苏科技大学 Assembly type circular steel pipe column and H-shaped steel beam splicing node and construction method thereof

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202969589U (en) * 2012-12-14 2013-06-05 中国建筑股份有限公司 H-type steel beam and rectangular steel tube column variable-beam depth assembly type node
CN204876089U (en) * 2015-04-30 2015-12-16 河南杭萧钢构有限公司 Connection structure of steel -pipe column and steel I -beam
CN205530709U (en) * 2016-03-29 2016-08-31 中国建筑东北设计研究院有限公司 Profiled steel structure beam column node is strengthened to square socket
CN107338872A (en) * 2017-08-23 2017-11-10 青岛理工大学 Double-sleeve steel structure beam column joint and installation method
CN107761952A (en) * 2017-10-18 2018-03-06 北京工业大学 A kind of T-shaped cover plate folder web attachment means of assembling type steel structure quadrate steel pipe column bean column node
CN107859172A (en) * 2017-10-18 2018-03-30 北京工业大学 A kind of T-shaped cover plate folder edge of a wing attachment means of assembling type steel structure Special-Shaped Column bean column node
CN208472939U (en) * 2018-06-28 2019-02-05 西南科技大学 Novel fabricated steel tube concrete beam pole connecting node
CN109322391A (en) * 2018-10-26 2019-02-12 天津大学 It is a kind of avoid bottom dew angle lower rib on ring beam Column border node
CN109837986A (en) * 2019-02-26 2019-06-04 中国矿业大学 A kind of H profile steel of novel connection-round steel pipe bean column node
WO2019119686A1 (en) * 2017-12-21 2019-06-27 青岛理工大学 Assembled self-restoring circular composite concrete-filled steel tube joint
CN110230350A (en) * 2019-07-17 2019-09-13 天津大学 Tenon type hub type node and spatial mesh structure
CN110258806A (en) * 2019-07-17 2019-09-20 天津大学 The mortise and tenon type node and spatial mesh structure of socket joint connection space network
CN111075016A (en) * 2019-11-29 2020-04-28 东南大学 Plug-in type single-layer aluminum alloy latticed shell connecting node
CN213233796U (en) * 2020-07-07 2021-05-18 山东科技大学 Hoop type external reinforcing ring circular steel pipe column-H-shaped steel beam connecting node structure

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202969589U (en) * 2012-12-14 2013-06-05 中国建筑股份有限公司 H-type steel beam and rectangular steel tube column variable-beam depth assembly type node
CN204876089U (en) * 2015-04-30 2015-12-16 河南杭萧钢构有限公司 Connection structure of steel -pipe column and steel I -beam
CN205530709U (en) * 2016-03-29 2016-08-31 中国建筑东北设计研究院有限公司 Profiled steel structure beam column node is strengthened to square socket
CN107338872A (en) * 2017-08-23 2017-11-10 青岛理工大学 Double-sleeve steel structure beam column joint and installation method
CN107761952A (en) * 2017-10-18 2018-03-06 北京工业大学 A kind of T-shaped cover plate folder web attachment means of assembling type steel structure quadrate steel pipe column bean column node
CN107859172A (en) * 2017-10-18 2018-03-30 北京工业大学 A kind of T-shaped cover plate folder edge of a wing attachment means of assembling type steel structure Special-Shaped Column bean column node
WO2019119686A1 (en) * 2017-12-21 2019-06-27 青岛理工大学 Assembled self-restoring circular composite concrete-filled steel tube joint
CN208472939U (en) * 2018-06-28 2019-02-05 西南科技大学 Novel fabricated steel tube concrete beam pole connecting node
CN109322391A (en) * 2018-10-26 2019-02-12 天津大学 It is a kind of avoid bottom dew angle lower rib on ring beam Column border node
CN109837986A (en) * 2019-02-26 2019-06-04 中国矿业大学 A kind of H profile steel of novel connection-round steel pipe bean column node
CN110230350A (en) * 2019-07-17 2019-09-13 天津大学 Tenon type hub type node and spatial mesh structure
CN110258806A (en) * 2019-07-17 2019-09-20 天津大学 The mortise and tenon type node and spatial mesh structure of socket joint connection space network
CN111075016A (en) * 2019-11-29 2020-04-28 东南大学 Plug-in type single-layer aluminum alloy latticed shell connecting node
CN213233796U (en) * 2020-07-07 2021-05-18 山东科技大学 Hoop type external reinforcing ring circular steel pipe column-H-shaped steel beam connecting node structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075386A (en) * 2022-06-27 2022-09-20 江苏科技大学 Assembly type circular steel pipe column and H-shaped steel beam splicing node and construction method thereof
CN115075386B (en) * 2022-06-27 2023-12-19 江苏科技大学 Assembled round steel pipe column and H-shaped steel beam splicing joint and construction method thereof

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Application publication date: 20211119

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