CN214090341U - A steel sleeve type square tube steel column and an I-shaped steel beam assembly node - Google Patents
A steel sleeve type square tube steel column and an I-shaped steel beam assembly node Download PDFInfo
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- CN214090341U CN214090341U CN202023143876.1U CN202023143876U CN214090341U CN 214090341 U CN214090341 U CN 214090341U CN 202023143876 U CN202023143876 U CN 202023143876U CN 214090341 U CN214090341 U CN 214090341U
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Abstract
本实用新型公开了一种钢套筒式方管钢柱与工字型钢梁装配节点及施工方法。本实用新型装配节点主要包括钢套筒，通过其四个侧面与工字型钢梁连接，通过其上下两面与方管钢柱连接；钢套筒四个侧面分别设有一个倒几字型钢端部连接件及其盖板，倒几字型钢端部连接件两上边耳板设有数个螺栓孔，其盖板也设有数个螺栓孔；钢套筒上下两面的四边上分别设有一个凸型楔形连接件、四角上分别设有螺栓孔，方管钢柱端部四边内也设有相应的预制楔形槽，方管钢柱端部四个角上也设有相应的螺栓孔。将钢套筒与方管钢柱通过凸型楔形连接件与预制楔形槽进行对准连接，将方管钢柱搭接在倒几字型钢端部连接件上，完成钢套筒与方管钢柱和方管钢柱的连接。
The utility model discloses an assembly node of a steel sleeve type square tube steel column and an I-shaped steel beam and a construction method. The assembling node of the utility model mainly comprises a steel sleeve, which is connected with the I-shaped steel beam through its four sides, and is connected with the square tube steel column through its upper and lower sides; the four sides of the steel sleeve are respectively provided with an inverted several-shaped steel end. There are several bolt holes on the two upper ear plates of the inverted steel end connector, and several bolt holes are also provided on the cover plate; the four sides of the upper and lower sides of the steel sleeve are respectively provided with a convex type The wedge-shaped connector and the four corners are respectively provided with bolt holes, the four sides of the end of the square tube steel column are also provided with corresponding prefabricated wedge-shaped grooves, and the four corners of the end of the square tube steel column are also provided with corresponding bolt holes. Align the steel sleeve and the square tube steel column with the prefabricated wedge-shaped groove through the convex wedge-shaped connector, and lap the square tube steel column on the end connector of the inverted-shaped steel to complete the steel sleeve and the square tube steel. The connection between the column and the square tube steel column.
Description
Technical Field
The utility model belongs to the technical field of building steel construction connected node, concretely relates to take steel sleeve formula side pipe steel column and I-shaped steel roof beam assembly node and construction method of wedge connecting piece.
Background
The assembled steel structure becomes a hot point direction for the development of the building industry due to the advantages of light dead weight, high strength, short construction period, reusable steel, less pollution and the like. The node is the key and difficult point of the design and construction of the assembled steel structure, and the design method and the splicing process directly determine the industrialization degree and the structural form of the structure. The square steel pipe column is a main vertical stress component often adopted by a steel structure, the I-shaped steel is also the most commonly used transverse stress component, and due to the difference of the section forms of the two components, the connection form of the square steel pipe column in the structure is mainly divided into: welding connection, bolting connection and arranging a bolt connection in the square steel pipe column. The assembled node connection site adopting the welding process has complex construction, poor universality and uneven quality, is difficult to manufacture a standardized product, easily causes structural fatigue damage at a welding crack and cannot meet the requirement of industrial development; the assembled connection of the bolts in the square steel pipe weakens the sectional area of the pressure-bearing member because the square steel pipe needs to be perforated, and the problems of stress concentration, local buckling and the like are easy to occur in the structural bearing process. The novel sleeve type square steel pipe column and H-shaped steel beam assembled node and the construction method thereof disclosed in the Chinese invention patent application with the patent application number of 201711223047.4 adopt an H-shaped sleeve and a supporting steel plate, and the H-shaped sleeve is connected with the square sleeve by welding; the H-shaped sleeve is complex to produce and manufacture, difficult to align during connection, small in welding area, supported by the supporting steel plate and limited in strength. And the problems that the structure of the connecting joint is complex, the requirement on construction precision is high, the overhead welding operation time of workers is long and the like in the prior art are solved.
Therefore, a square tube steel column and I-shaped steel beam assembly node which is high in rigidity, good in integrity, simple in connection and high in universality needs to be designed, the assembly type capacity of a steel structure is improved, and technical support is provided for the industrialization of the steel structure building adopting the components.
Disclosure of Invention
An object of the utility model is to the above-mentioned defect that exists among the prior art, provide a steel sleeve formula side pipe steel column and I-shaped steel beam assembled node rational in infrastructure, convenient construction, stable performance. The problem of the node need guarantee whole rigidity and guarantee the coordination between the swift construction of full assembled unified again can be solved to and the node receives the influence of factors such as prefabricated component roughness and angle, the steel construction still need carry out angle modulation, can only special design and manufacture, general type is poor, be difficult for realizing standardized problem, with the type of application and the commonality that increase the node.
The above object of the present invention is achieved by the following technical solutions: the steel sleeve type square tube steel column and I-shaped steel beam assembly node comprises a steel sleeve, wherein the main body of the steel sleeve is a square tube member, is connected with an I-shaped steel beam through four side surfaces of the square tube member, and is connected with a square tube steel column through the upper surface and the lower surface of the square tube steel column; the steel sleeve is characterized in that four side surfaces of the steel sleeve are respectively provided with an inverted U-shaped steel end connecting piece and a cover plate thereof, lug plates on two upper edges of the inverted U-shaped steel end connecting piece are provided with a plurality of bolt holes for screw mantle fiber, corresponding positions on two sides of the cover plate are also provided with the bolt holes, the I-shaped steel beam is placed in the inverted U-shaped steel end connecting piece, and the I-shaped steel beam is tightly pressed by screwing the cover plate and high-strength bolts in the bolt holes of the inverted U-shaped steel end connecting piece so as to complete the lap joint of the I-shaped steel beam and the steel sleeve; the square tube steel column connecting structure is characterized in that four sides of the upper surface and the lower surface of the steel sleeve are respectively provided with a convex wedge-shaped connecting piece, four corners of the steel sleeve are respectively provided with bolt holes for screw threads, corresponding positions in four sides of the end part of the square tube steel column are provided with prefabricated wedge-shaped grooves matched with the convex wedge-shaped connecting pieces, four corners of the end part of the square tube steel column are provided with bolt holes corresponding to the bolt holes in the four corners of the upper surface and the lower surface of the steel sleeve, the four corners of the square tube steel column on the upper part of the bolt holes are provided with slotted holes, the convex wedge-shaped connecting pieces on the steel sleeve are inserted into the prefabricated wedge-shaped grooves in the end part of the square tube steel column, the steel sleeve and the bolt holes on the square tube steel column are screwed through pressure-bearing type high-strength screws, and nuts are screwed on the upper parts of the pressure-bearing type high-strength screws through the slotted holes in the four corners of the square tube steel column to complete the connection of the steel sleeve and the square tube steel column.
Furthermore, a stiffening rib is arranged at the joint of the bottom of the inverted U-shaped steel end connecting piece and the side face of the steel sleeve main body.
Furthermore, two ends of the I-shaped steel beam are closed, a stiffening rib is arranged on the inner side of the section of the I-shaped steel beam close to the beam end, and the distance between the stiffening rib and the beam end is the transverse extension length of the inverted U-shaped steel end connecting piece in the steel sleeve; the transverse extension length of the inverted-U-shaped section steel end connecting piece is 2 times of the height of the I-shaped steel beam.
Specifically, the size of the section of the steel sleeve main body is the same as that of the section of the square tube steel column; the size of the inner side section of the inverted-U-shaped end part connecting piece is close to that of the cross section of the I-shaped steel beam.
Specifically, the thickness of the lug plates on the two upper sides of the inverted U-shaped steel end connecting piece is 20 mm.
Specifically, the surface of the cover plate connected with the I-shaped steel beam is a high-strength friction surface.
Compared with the prior art, the utility model, have following characteristics and beneficial effect:
(1) at first, compare with current full bolt node, steel sleeve and square tubular steel post and I-shaped steel beam assembled node's upper and lower connecting piece all couples together post and I-shaped beam through wedge connection and overlap joint mode earlier to guarantee steel sleeve central line and post and roof beam subassembly central line coincidence, avoid appearing initial eccentricity in the equipment process. The structure after the assembly is completed transmits the bending moment and the shearing force of the beam section to the inverted-V-shaped sleeve of the steel sleeve, and the design of the high-strength friction surface on the cover plate enables the node to have certain rotational rigidity under the destructive load, so that the semi-rigid stress of the structure is realized.
(2) Secondly, compare with the current assembled connected node who sets up the bolt in the steel pipe, the utility model discloses only at the vertical trompil of steel sleeve, and increased the inboard effective area of trompil, the bulk rigidity that can guarantee the post is not destroyed, avoids by the stress concentration that the bolt trompil arouses, performance problems such as local buckling.
(3) Then, compared with the assembly type connecting node of the all-welding process, the steel sleeve of the utility model is formed by integral casting, has no welding requirement in the structure assembling process, and avoids the fatigue damage of the connecting piece in the structure stress process caused by welding; the method has the characteristics of low construction difficulty, easier control of construction quality and quick assembly.
(4) Finally, because the utility model discloses well steel sleeve is the same with square tubular steel column cross-sectional dimension, and adopts square tubular steel column interior wedge connector to carry out vertical connection, has improved the aesthetic property of post-assembly structure, has reduced the requirement to component processing and construction precision, has improved connected node's commonality and efficiency of construction.
The utility model provides an among the prior art connected node structure complicated, construction accuracy requires higherly, the longer scheduling problem of workman high altitude welding operation time. The utility model discloses all components can all be prefabricated in the mill, and the field assembly is convenient, but wide application square tubular steel post and I-shaped steel beam's in the steel construction be connected.
Drawings
Fig. 1 is the utility model discloses steel sleeve formula side pipe steel column and I-shaped steel beam assembly node's connection structure schematic diagram.
Fig. 2 is a perspective view of the steel sleeve of fig. 1.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a bottom view of fig. 2.
Fig. 5 is a side view of fig. 2.
Fig. 6 is a schematic perspective view of the square tubular steel column of fig. 1.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a schematic perspective view of the i-shaped steel beam of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 8, the steel sleeve type square tube steel column and i-shaped steel beam assembly node of the present embodiment includes a steel sleeve 3, the main body of the steel sleeve 3 is a square tube member, and is connected to an i-shaped steel beam 2 through four front, rear, left, and right side surfaces thereof, and is connected to a square tube steel column 1 through an upper and lower surface thereof; the size of the main section of the steel sleeve 3 is the same as that of the section of the square tube steel column 1. It can be seen from the figure that four side surfaces of the steel sleeve 3 are respectively provided with an inverted U-shaped steel end connecting piece 9 and a cover plate 4 thereof, two upper side ear plates of the inverted U-shaped steel end connecting piece 9 are respectively provided with 3 bolt holes 8 for screw threading, corresponding positions on two sides of the cover plate 4 are also provided with bolt holes, the thickness of the two upper side ear plates of the inverted U-shaped steel end connecting piece 9 is 20mm, and the design of the bolt holes with the screw threading is beneficial to reducing the risk factor of high-altitude construction; the I-shaped steel beam 2 is placed in the inverted U-shaped steel end connecting piece 9, the size of the inner side section of the inverted U-shaped end connecting piece 9 is close to that of the I-shaped steel beam (for example, the width of the inner side section of the inverted U-shaped end connecting piece 9 is slightly larger than that of the I-shaped steel beam, the inverted U-shaped end connecting piece 9 and the I-shaped steel beam are in clearance fit, the height of the inner side section of the inverted U-shaped end connecting piece 9 is equal to that of the I-shaped steel beam), the I-shaped steel beam 2 is tightly pressed by the high-strength bolt 5 in the bolt hole 8 on the lug plate of the inverted U-shaped steel end connecting piece 9 through screwing the bolt hole 4 of the cover plate, so that the I-shaped steel beam 2 is in lap joint with the steel sleeve 3, reliable connection is formed, and the assembling process is convenient and fast to construct; the connecting surface of the cover plate and the I-shaped steel beam is a high-strength friction surface, the cover plate 4 extrudes the I-shaped steel beam 2 through the connection of the high-strength bolt 5 and the lug plate to form initial prestress, the friction force between the cover plate 4 and the I-shaped steel beam 2 is increased, semi-rigid connection is realized, the bending moment and the shearing force of the beam section of the I-shaped steel beam 2 are transmitted to the end plate of the inverted-U-shaped end connecting part 9, and reasonable stress of the structure is realized. Four sides of the upper surface and the lower surface of the steel sleeve 3 are respectively provided with a convex wedge-shaped connecting piece 10, four corners of the steel sleeve are respectively provided with bolt holes 8 for screw threads, corresponding positions in four sides of the end part of the square tube steel column 1 are provided with prefabricated wedge-shaped grooves 12 matched with the convex wedge-shaped connecting pieces, bolt holes are arranged at corresponding positions on four corners of the end part of the square tube steel column 1 and the bolt holes 8 in four corners of the upper surface and the lower surface of the steel sleeve 3, the four corners of the square tube steel column 1 at the upper part of the bolt holes are provided with slotted holes 13, the convex wedge-shaped connecting pieces 10 on the steel sleeve 3 are inserted into the prefabricated wedge-shaped grooves 12 at the end part of the square tube steel column 1, the convex wedge-shaped connecting pieces are screwed into the bolt holes on the steel sleeve 3 and the square tube steel column 1 through pressure-bearing type high-strength screws 6, and nuts 7 are screwed on the upper parts of the pressure-bearing type high-strength screws 6 through the slotted holes 13 at the four corners of the square tube steel column 1 to complete the connection of the steel sleeve 3 and the square tube steel column 1; the square tube steel column is vertically connected with the steel sleeve through a wedge-shaped connecting piece so as to ensure that the axis of the vertical component is on the same straight line and is connected through a pressure-bearing high-strength screw at the column foot so as to resist lateral stress and eccentric load. It can be seen from fig. 4 and 5 that the junction of the bottom of the inverted steel end connector 9 and the side of the steel casing 3 body is provided with stiffening ribs 11 to resist the shear forces transmitted by the beam sections. As can be seen from fig. 8, the two ends of the i-shaped steel beam 2 are closed, and the inner side of the section of the i-shaped steel beam 2 near the beam end is provided with a stiffening rib 14, and the distance from the beam end is the transverse extension length of the inverted U-shaped steel end connecting piece 9 in the steel sleeve 3; the transverse extension length of the inverted U-shaped section steel end connecting piece 9 is 2 times of the height of the I-shaped steel beam 2.
The construction method of the steel sleeve type square tube steel column and I-shaped steel beam assembly joint comprises the following steps:
(1) prefabricating a square tube steel column, an I-shaped steel beam, a steel sleeve and a cover plate according to design requirements in a factory; the steel sleeve is integrally cast by steel and comprises a convex wedge-shaped connecting piece, an inverted U-shaped steel end connecting piece, a bolt hole with a screw bolt mantle fiber and a stiffening rib; the bolt hole provided with the screw mantle fiber is formed by lathe processing, which effectively reduces the welding among components on each vertical surface of the steel sleeve and avoids the fatigue damage of the structure at the joint under the reciprocating load; a wedge-shaped groove and four right-angle bolt holes are prefabricated on the inner side of the end part of the square pipe steel column; the cover plate is made of a steel plate, and bolt holes are reserved in the cover plate; the two ends of the I-shaped steel beam are closed, stiffening ribs are prefabricated on the inner side of the section of the I-shaped steel beam close to the beam end, the distance between the stiffening ribs and the beam end is the transverse extension length of the inverted U-shaped steel end connecting piece in the steel sleeve, and the transverse extension length of the inverted U-shaped steel end connecting piece is 2 times of the height of the I-shaped steel beam.
(2) And (3) loading the pressure-bearing high-strength screw into the bolt hole provided with the screw mantle fiber on the steel sleeve.
(3) The steel sleeve and the square tube steel column are aligned and connected with the prefabricated wedge-shaped groove through the convex wedge-shaped connecting piece, the height of the pressure-bearing type high-strength screw rod is adjusted up and down, the pressure-bearing type high-strength screw rod penetrates through a bolt hole in the square tube steel column, a nut is screwed tightly, and the connection of the steel sleeve and the square tube steel column is completed.
(4) And overlapping the I-shaped steel beam on the inverted U-shaped steel end connecting piece.
(5) And placing the cover plate on the inverted U-shaped steel end connecting piece, enabling the friction surface of the cover plate to be in contact with the I-shaped steel beam and to be aligned to the bolt hole, and connecting the cover plate and the inverted U-shaped steel end connecting piece by using a high-strength bolt to complete the lap joint of the steel sleeve and the I-shaped steel beam.
The section bar does not need secondary processing on a construction site, the types of assembly components are few, welding operation is not needed in the construction process, the section bar can be directly installed, and construction is convenient and rapid.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143876.1U CN214090341U (en) | 2020-12-24 | 2020-12-24 | A steel sleeve type square tube steel column and an I-shaped steel beam assembly node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143876.1U CN214090341U (en) | 2020-12-24 | 2020-12-24 | A steel sleeve type square tube steel column and an I-shaped steel beam assembly node |
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| CN214090341U true CN214090341U (en) | 2021-08-31 |
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| CN202023143876.1U Expired - Fee Related CN214090341U (en) | 2020-12-24 | 2020-12-24 | A steel sleeve type square tube steel column and an I-shaped steel beam assembly node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523352A (en) * | 2020-12-24 | 2021-03-19 | 湖南科技大学 | Steel sleeve type square tube steel column and I-shaped steel beam assembly joint and construction method |
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- 2020-12-24 CN CN202023143876.1U patent/CN214090341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523352A (en) * | 2020-12-24 | 2021-03-19 | 湖南科技大学 | Steel sleeve type square tube steel column and I-shaped steel beam assembly joint and construction method |
| CN112523352B (en) * | 2020-12-24 | 2025-06-24 | 湖南科技大学 | A steel sleeve type square tube steel column and I-shaped steel beam assembly node and construction method |
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