CN116905655B - Sleeve type flange connection modularized steel structure system and building thereof - Google Patents

Sleeve type flange connection modularized steel structure system and building thereof Download PDF

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Publication number
CN116905655B
CN116905655B CN202311163391.4A CN202311163391A CN116905655B CN 116905655 B CN116905655 B CN 116905655B CN 202311163391 A CN202311163391 A CN 202311163391A CN 116905655 B CN116905655 B CN 116905655B
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China
Prior art keywords
plate
flange
hemisphere
splicing unit
shaped
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CN202311163391.4A
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Chinese (zh)
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CN116905655A (en
Inventor
李杨龙
张艳霞
武丙龙
王旭东
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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Priority to CN202311163391.4A priority Critical patent/CN116905655B/en
Priority to CN202311728681.9A priority patent/CN117721911A/en
Publication of CN116905655A publication Critical patent/CN116905655A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2406—Connection nodes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2421—Socket type connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2457—Beam to beam connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/246—Post to post connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2463—Connections to foundations

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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 provides a sleeve type flange connection modularized steel structure system and a building thereof, relating to the technical field of steel structures, wherein the modularized steel structure system comprises a splicing unit, a sleeve and a connecting flange; the splicing unit comprises a cross beam and an upright post; the upper end and the lower end of the upright post are respectively provided with an inserting groove and a connecting flange; when the upper splicing unit and the lower splicing unit are connected, the upright post of the upper splicing unit is in butt joint with the upright post of the lower splicing unit, and the upper part and the lower part of the sleeve are respectively inserted into the splicing grooves at the end parts of the two upright posts in butt joint. The invention can splice a plurality of splicing units according to the need, and has various and flexible forms; when the upper splicing unit and the lower splicing unit are needed, the two ends of the sleeve are respectively inserted into the splicing grooves of the upper splicing unit and the lower splicing unit, and then the connecting flange is fixedly connected by the bolts, so that the modularization and the high standardization of the steel structure system are realized, the assembly work is simple and efficient, and the purposes of improving the construction progress and reducing the cost are achieved.

Description

Sleeve type flange connection modularized steel structure system and building thereof
Technical Field
The invention relates to the technical field of steel structures, in particular to a sleeve type flange connection modularized steel structure system and a building thereof.
Background
Currently, steel structures are structures composed of steel materials, which are one of the main types of building structures. The steel structure mainly comprises steel cross beams, steel upright posts, steel trusses and other components made of profile steel, steel plates and the like, and rust removal and prevention processes such as silanization, pure manganese phosphating, washing, drying, galvanization and the like are adopted, so that the steel structure can be used in outdoor environments.
The traditional steel structure residential building adopts a large amount of welding during construction, the construction speed is slow, the environmental pollution is serious, the quality of welding seams is not easy to control, and the safety performance of the building is seriously affected.
Disclosure of Invention
The invention aims to provide a sleeve type flange connection modularized steel structure system and a building thereof, which are used for solving at least one technical problem in the prior art.
In order to solve the technical problems, the invention provides a sleeve type flange connection modularized steel structure system, which comprises: the splicing unit, the sleeve and the connecting flange;
the splicing unit comprises a cross beam and an upright post;
the upright posts are vertically arranged; the four upright posts are arranged in a rectangular shape; two ends of the cross beam are respectively connected with two adjacent stand columns, so that a frame type splicing unit is formed;
the upper end and the lower end of the upright post are respectively provided with a splicing groove and a connecting flange;
when the upper splicing unit and the lower splicing unit are connected, the upright post of the upper splicing unit is in butt joint with the upright post of the lower splicing unit, and a connecting node is formed after the upright posts are fixedly connected through a connecting flange and a bolt;
the upper part and the lower part of the sleeve are respectively inserted into the inserting grooves at the end parts of the two vertical columns which are in butt joint, and are used for shearing resistance when the steel structure receives horizontal acting force.
During construction, two ends of the sleeve are respectively inserted into the splicing grooves of the two upright posts used for butt joint on the upper splicing unit and the lower splicing unit, and then the connecting flanges on the two upright posts are fixedly connected by bolts, so that modularization and high standardization of a modularized steel structure system are realized, the assembly work is simple and efficient, and the purposes of improving the construction progress and reducing the cost are achieved.
Further, a limiting structure for limiting the insertion depth of the sleeve is arranged in the inserting groove.
Further, the limiting structure is an annular boss arranged in the inserting groove.
Further, the upright post is a pipe body (such as a round pipe or a rectangular pipe); the limiting structure comprises threaded holes formed in the pipe wall of the pipe body and close to two ends of the upright post, and screws matched with the threaded holes; after the screw is screwed into the threaded hole, the top end of the screw extends into the inserting groove, and the end face of the sleeve abuts against the screw.
Further, in the height direction of the upright post, a plurality of threaded holes are distributed at intervals, and a screw is selectively screwed into one of the threaded holes for adapting to the sleeves with different lengths.
Further, the frame structure comprises a plurality of layers of frame structures, and each layer of frame structure comprises one or a plurality of splicing units; the cross section of the upright post is rectangular. More preferably, the cross-sectional shape of the post is square.
Further, the connecting flange is a (rectangular or circular ring) annular flange which is continuously distributed around the circumference of the upright post.
The same layer of frame structure only comprises one upright post at a single connecting node, and the annular flange is suitable for connecting the upper upright post and the lower upright post.
Further, the connecting flange is a U-shaped flange which is continuously distributed around three adjacent sides of the upright post.
When the same layer of frame structure comprises 2 upright posts which are arranged side by side and adjacently at a single connecting node, U-shaped flanges are arranged on the 2 upright posts, and the two U-shaped flanges can be spliced into a rectangle.
Further, the connecting flange is an L-shaped flange which is continuously distributed around two adjacent sides of the upright post.
When the same layer of frame structure comprises 2-4 upright posts which are arranged side by side and adjacently at a single connecting node, the L-shaped flange can be suitable for connecting the upper upright post and the lower upright post of the connecting node.
In a word, can be according to the difference of concatenation form of concatenation unit, can select the flange of different forms, and then accomplish the connection of two sets of concatenation units about, avoid the flange of same layer to interfere each other.
Further, the cross beam is fixedly connected with the upright post through an I-shaped conversion piece; the I-shaped conversion piece comprises an upper wing plate, a lower wing plate and a middle web plate; the two ends of the upper wing plate, the lower wing plate and the middle web plate are respectively and fixedly connected with the cross beam and the upright post.
Further, one side or two sides of the I-shaped conversion piece are provided with conversion end plates, and the I-shaped conversion piece is fixedly connected with the cross beam and/or the upright post through the conversion end plates.
Further, the device also comprises a hoisting piece for hoisting the splicing unit; the hoisting piece is detachably and fixedly connected with the splicing unit.
Further, the lifting piece comprises a lifting flange and a lifting ring, the lifting flange is detachably and fixedly connected with a connecting flange on the splicing unit, and the lifting ring is fixedly connected with the lifting flange.
Through the technical scheme of the improvement, when the splicing unit is hoisted by using the hoisting piece, the hoisting flange is connected with the connecting flange of the splicing unit, then the hoisting flange is fixed with the connecting flange by using the bolt, finally the lifting ring is hung with the lifting hook, after the splicing unit is hoisted to the expected position, the lifting hook is separated from the lifting ring, and then the hoisting flange is separated from the connecting flange by rotating the bolt, so that the next splicing unit is hoisted.
Further, the connecting base plate is also included, and the whole connecting base plate is in a continuous closed ring shape; the connecting base plate is arranged at the connecting joint and between the upper group of connecting flanges and the lower group of connecting flanges; and after the splicing units on the upper layer and the lower layer are fixedly connected by utilizing a plurality of bolts to pass through the connecting flange and the connecting holes on the connecting backing plate, all the bolts on the connecting nodes are sequentially connected in series by the connecting backing plate.
The arrangement of the connecting backing plate can connect and fix a plurality of splicing units on the same layer at the connecting node, so that the integrity and the shearing resistance of the whole steel structure are improved.
Further, in the height, the bottom-most splicing unit is connected with the foundation through an energy consumption structure;
the energy consumption structure comprises: an upper connecting pipe, an energy consumption cylinder and a lower connecting pipe;
the upper end of the upper connecting pipe is fixedly connected with the lower end of the upright post of the bottommost splicing unit in a fixed flange, welding and other modes;
the energy consumption section of thick bamboo includes: an upper connecting piece, a lower connecting piece and an energy consumption plate;
the upper connecting piece is used for being connected with the lower end of the upper connecting pipe;
the lower connecting piece is used for being connected with the upper end of the lower connecting pipe;
the lower end of the lower connecting pipe is fixedly connected with the foundation;
and two ends of the energy dissipation plate are respectively connected with the upper connecting piece and the lower connecting piece, and when the upper connecting pipe and the lower connecting pipe are subjected to relative displacement, the energy dissipation plate is subjected to plastic deformation to consume energy.
Preferably, the foundation is a bearing platform, a frame column or a ground beam; the lower connecting pipe is a steel pipe section vertically arranged on the bearing platform, the frame column or the ground beam; or, the lower connecting pipe is a steel pipe pile.
Further, the energy consumption plate comprises an upper connecting part, a middle energy consumption part and a lower connecting part which are integrally made of energy consumption soft steel;
the upper connecting part is used for being connected with the upper connecting piece, and the lower connecting part is used for being connected with the lower connecting piece;
the middle energy consumption part comprises a plurality of energy consumption soft steel strips which are distributed at intervals, and two ends of the energy consumption soft steel strips are fixedly connected with the upper connection part and the lower connection part respectively.
A second aspect of the present application discloses a building employing the above-described telescopic flanged modular steel structure system.
By adopting the technical scheme, the invention has the following beneficial effects:
according to the sleeve type flange connection modularized steel structure system and the building thereof, a plurality of splicing units are spliced according to requirements, so that the sleeve type flange connection modularized steel structure system is various and flexible in form; when the upper splicing unit and the lower splicing unit are needed, the two ends of the sleeve are respectively inserted into the splicing grooves of the upper splicing unit and the lower splicing unit, and then the connecting flange is fixedly connected by the bolts, so that the modularization and the high standardization of the steel structure system are realized, the assembly work is simple and efficient, and the purposes of improving the construction progress and reducing the cost are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a telescopic flanged modular steel structure system provided in example 1;
FIG. 2 is an exploded view of one of the connection nodes of FIG. 1;
FIG. 3 is a schematic view of a splice unit of FIG. 1;
FIG. 4 is a perspective block diagram of another connection node;
FIG. 5 is a perspective view of the annular flange of FIG. 4;
FIG. 6 is a perspective block diagram of a third connection node;
FIG. 7 is a perspective view of the U-flange of FIG. 6;
FIG. 8 is a perspective view of the rectangular pad of FIG. 6;
FIG. 9 is a perspective block diagram of a fourth connecting node;
FIG. 10 is a perspective view of the L-flange of FIG. 9;
FIG. 11 is a perspective view of the L-shaped shim plate of FIG. 9;
fig. 12 is a schematic structural view of the hanging member in embodiment 1;
fig. 13 is a schematic structural diagram of the energy dissipation structure provided in embodiment 2;
FIG. 14 is a schematic view of the energy dissipating plate shown in FIG. 12;
FIG. 15 is a schematic view of the lower and upper connectors of FIG. 12;
fig. 16 is an assembly schematic diagram of the reset structure in embodiment 2;
fig. 17 is a schematic structural view of a recoverable column base structure in embodiment 3;
fig. 18 is a schematic structural view of the upper and lower connectors in embodiment 4;
fig. 19 is a schematic structural view of the upper and lower connection members in embodiment 5.
Reference numerals:
1-splicing units; 1 a-a column; 1 b-a cross beam; 1 c-a plug-in groove; 2-a sleeve; 3-connecting flanges; 3 a-an annular flange; 3 b-U-shaped flange; 3c-L flange; 4-connecting a backing plate; 4 a-rectangular backing plate; 4 b-L-shaped backing plate; a 5-transition piece; 5 a-a conversion end plate; 6, hoisting the piece; 6 a-hoisting the flange; 6 b-hanging rings; 10-an upper connecting pipe; 20-a lower connecting pipe; 600-energy consumption cylinder; 610-upper connector; 611-upper web; 612-upper wing plate; 620-lower connector; 621-lower web; 622-lower wing plate; 630-energy consumption plate; 631-upper connection; 632-middle energy consumption part; 633-lower connection; 640-reset structure; 641-anchoring a top plate; 642-screw; 643-a return spring; 644-anchoring the base plate; 651-arc-shaped lath; 652-groove limiter; 670-steel ball; 671-upper hemisphere; 672-lower hemisphere; 673-steel pins; 674-thrust disc spring.
Detailed Description
The invention is further illustrated with reference to specific embodiments.
Example 1
As shown in fig. 1-3, the sleeve-type flange connection modular steel structure system provided in this embodiment includes: the splicing unit 1, the sleeve 2 and the connecting flange 3;
the splicing unit 1 comprises a cross beam 1b and a stand column 1a; the upright post 1a is vertically arranged; the four upright posts 1a are arranged in a rectangular shape; two ends of the cross beam 1b are respectively connected with two adjacent upright posts 1a, so that a frame-type splicing unit 1 is formed.
The upper end and the lower end of the upright post 1a are respectively provided with a splicing groove 1c and a connecting flange 3; when the upper and lower adjacent splicing units 1 are connected, the upright 1a of the upper splicing unit 1 is in butt joint with the upright 1a of the lower splicing unit 1, and a connecting node is formed after the upper and lower adjacent splicing units are fixedly connected through a connecting flange 3 and bolts (not shown). The upper and lower parts of the sleeve 2 are respectively inserted into the inserting grooves 1c at the end parts of the two vertical columns 1a which are in butt joint, and are used for shearing resistance when the steel structure receives horizontal acting force.
During construction, two ends of the sleeve 2 are respectively inserted into the inserting grooves 1c of the two upright posts 1a which are used for butt joint on the upper splicing unit 1 and the lower splicing unit 1, and then the connecting flanges 3 on the two upright posts 1a are fixedly connected by bolts, so that modularization and high standardization of a modularized steel structure system are realized, the assembly work is simple and efficient, and the purposes of improving the construction progress and reducing the cost are achieved.
Wherein, a limit structure for limiting the insertion depth of the sleeve 2 is preferably arranged in the inserting groove 1 c. The limit structure may be an annular boss disposed in the insertion groove 1 c. Alternatively, the upright 1a is a tube (such as a circular tube or a rectangular tube); the limiting structure comprises threaded holes formed in the pipe wall of the pipe body and close to the two ends of the upright post 1a, and screws matched with the threaded holes; after the screw is screwed into the threaded hole, the top end of the screw extends into the inserting groove 1c, and the end face of the sleeve 2 abuts against the screw.
More preferably, a plurality of said threaded holes are spaced apart in the height direction of said upright 1a, and a screw is selectively screwed into one of said threaded holes for adapting to said sleeves 2 of different lengths.
Preferably, the embodiment further comprises a connecting base plate 4, and the connecting base plate 4 is in a continuous closed ring shape as a whole; the connecting base plate 4 is arranged at the connecting joint and between the upper group of connecting flanges 3 and the lower group of connecting flanges; and after the splicing units 1 on the upper layer and the lower layer are fixedly connected by utilizing a plurality of bolts to pass through the connecting holes on the connecting flange 3 and the connecting backing plate 4, all bolts on the connecting nodes are sequentially connected in series by the connecting backing plate 4. The connecting backing plate 4 can be made of metal materials with high connection strength such as steel, and the connecting backing plate 4 can be arranged to connect and fix the connecting node with a plurality of splicing units 1 on the same layer, so that the integrity and the shearing resistance of the whole steel structure are improved.
The modularized steel structure system comprises a plurality of layers of frame structures, wherein each layer of frame structure comprises one or a plurality of splicing units 1 which are arranged side by side; the cross-sectional shape of the pillar 1a is preferably rectangular. More preferably, the column 1a has a square cross-sectional shape.
The connecting flange 3 can be of various forms according to the connection requirements. As shown in fig. 4 and 5, the connection flange 3 may be a (rectangular or circular ring) annular flange 3a continuously arranged circumferentially around the upright 1 a. The same layer of frame structure only comprises one upright 1a at a single connecting node, and the annular flange 3a is suitable for connecting the upper upright 1a and the lower upright 1 a.
Referring to fig. 2, 6 and 7, the connection flange 3 may be a U-shaped flange 3b continuously disposed around three adjacent sides of the pillar 1 a. When the same layer of frame structure comprises 2 upright posts 1a which are arranged side by side and adjacently at a single connecting node, the U-shaped flanges 3b are arranged on the 2 upright posts 1a, and the two U-shaped flanges 3b can be spliced into a rectangle. As shown in fig. 8, the connecting pad 4 at the connecting node and between the upper and lower sets of U-shaped flanges 3b is a rectangular pad 4a.
Referring to fig. 9 and 10, the connection flange 3 may be an L-shaped flange 3c continuously disposed around two adjacent sides of the pillar 1 a. When the same layer of frame structure comprises 3 upright posts 1a which are arranged side by side and adjacently at a single connecting node, the L-shaped flange 3c can be suitable for connecting the upper upright post 1a and the lower upright post 1a in the connecting node. Referring to fig. 11, the connection pad 4 at the connection node and between the upper and lower sets of L-shaped flanges 3c is an L-shaped pad 4b.
In a word, the connection of the upper and lower splicing units 1 can be completed by selecting the connecting flanges 3 with different forms according to the different splicing forms of the splicing units 1 as required, so that the connecting flanges 3 on the same layer are prevented from interfering with each other.
And preferably, the cross beam 1b can be fixedly connected with the upright 1a through an I-shaped conversion piece 5; the I-shaped conversion piece 5 comprises an upper wing plate, a lower wing plate and a middle web plate; the two ends of the upper wing plate, the lower wing plate and the middle web plate are respectively fixedly connected with the cross beam 1b and the upright post 1 a. As shown in fig. 12, optionally, one or both sides of the i-shaped conversion member 5 are provided with conversion end plates 5a, and the i-shaped conversion member 5 is fixedly connected with the cross beam 1b and/or the upright 1a through the conversion end plates 5 a.
Referring to fig. 12, the present embodiment further includes a lifting member 6 for lifting the splicing unit 1; the hoisting piece 6 is detachably and fixedly connected with the splicing unit 1. The hoisting piece 6 comprises a hoisting flange 6a and a hoisting ring 6b, wherein the hoisting flange 6a is detachably and fixedly connected with the connecting flange 3 on the splicing unit 1, and the hoisting ring 6b is fixedly connected with the hoisting flange 6 a.
Through the technical scheme of the improvement, when the splicing unit 1 is hoisted by using the hoisting piece 6, the hoisting flange is moved to be connected with the connecting flange 3 of the splicing unit 1, then the hoisting flange 6a is preliminarily fixed with the flange by using bolts, finally the hanging ring 6b is hung with the hanging hook, after the splicing unit 1 is hoisted to an expected position, the hanging hook is separated from the hanging ring 6b, and then the hoisting flange 6a is separated from the connecting flange 3 by rotating the bolts, so that the next splicing unit 1 is hoisted. Alternatively, the hoisting member 6 may also include only a hoisting ring 6b, and both ends of the hoisting ring 6b pass through the through hole in the connecting flange 3 and are screwed with the nut.
The invention can splice a plurality of splicing units 1 according to the need, and has various and flexible forms; when the upper splicing and the lower splicing are needed, the two ends of the sleeve 2 are respectively inserted into the splicing grooves 1c of the upper splicing unit 1 and the lower splicing unit 1, and then the connecting flange 3 is fixed by bolts, so that the modularization and the high standardization of a steel structure system are realized, the assembly work is simple and efficient, and the purposes of improving the construction progress and reducing the cost are achieved.
Example 2
This embodiment is substantially the same as embodiment 1 except that:
as shown in fig. 13, the lowermost splice unit 1 is connected to the foundation in height by an energy consuming structure; the energy consumption structure comprises: an upper connection pipe 10, an energy consumption cylinder 600 and a lower connection pipe 20; in this embodiment, the foundation is a ground beam structure, and the lower connecting pipe 20 is vertically disposed at the junction of two ground beams. The upper end of the upper connecting pipe 10 is fixedly connected with the lower end of the upright post 1a of the bottommost splicing unit 1 in a fixed flange, welding and other modes.
Referring to fig. 14 and 15, the energy consumption cartridge 600 includes: an upper connector 610, a lower connector 620, and an energy consuming plate 630; the upper connector 610 is for connection with the upper connection pipe 10; the lower connection member 620 is for connection with the lower connection pipe 20; the energy dissipation plate 630 is connected to the upper connector 610 and the lower connector 620 at both ends thereof, respectively, and when the upper connector 10 and the lower connector 20 are relatively displaced, the energy dissipation plate 630 is elastically deformed or plastically deformed to dissipate energy.
The energy dissipating plate 630 includes an upper connection part 631, an intermediate energy dissipating part 632, and a lower connection part 633 which are integrally made of energy dissipating mild steel; the upper connection part 631 is for connection with the upper connection member 610, and the lower connection part 633 is for connection with the lower connection member 620; the middle energy dissipation portion 632 comprises a plurality of energy dissipation soft steel plates which are distributed at intervals, and two ends of the energy dissipation soft steel plates are fixedly connected with the upper connection portion 631 and the lower connection portion 633 respectively.
The upper connecting piece 610 is cross-shaped or m-shaped and comprises an upper web 611 which is distributed in a cross shape or m-shaped, and an upper wing plate 612 is vertically arranged at the end part of the upper web 611; the upper connection portion 631 of the energy consumption plate 630 is fixedly connected with the upper wing plate 612; the lower connecting piece 620 is cross-shaped or m-shaped, and comprises a lower web plate 621 which is distributed in a cross shape or m-shaped, and a lower wing plate 622 is vertically arranged at the end part of the lower web plate 621; the lower connection portion 633 of the energy dissipating plate 630 is fixedly connected to the lower wing plate 622.
Referring to fig. 16, the present embodiment further includes a reset structure 640, and the reset structure 640 includes: an anchor top plate 641 fixedly disposed on the upper connector 610, an anchor bottom plate 644 fixedly disposed on the lower connector 620, and a return spring 643.
In this embodiment, the energy consumption cylinder 600 is a rectangular cylinder, and the reset structures 640 are symmetrically arranged in the front-back direction and the left-right direction of the energy consumption cylinder 600; and when the energy consumption cartridge 600 is circular or regular polygonal, the reset structure 640 is uniformly distributed in the circumferential direction of the energy consumption cartridge 600.
The return spring 643 is compressed to form a preload force against the anchor top plate 641 and anchor bottom plate 644 at both ends and tends to straighten the upper connector 610 and upper connector tube 10 during operation or after installation in place. That is, when the upper and lower connection pipes 10 and 20 are relatively displaced, the upper connection member 610 and the upper connection pipe 10 are forced to be restored by the pre-tightening force of the restoring spring 643 in the restoring structure 640.
When the upper connection pipe 10 is deflected or swayed by the external force, the energy dissipation plate 630 in the energy dissipation cylinder 600 is deformed and dissipates energy along with plastic deformation, so as to eliminate the damage of the external force to the upper connection pipe 10. Meanwhile, the reset spring 643 straightens and resets the upper connecting pipe 10 and the splicing unit 1 above through the pretightening force of the reset spring, so that the damage of a building in natural disasters such as earthquakes and the like is avoided, the cost for recovering the use function of the building is reduced, and the function restorability of the closed section steel column foot is improved. Preferably, the reset structure 640 is disposed outside of the energy consuming plate 630.
The return spring 643 is fixed by a screw 642 and a nut; the anchoring top plate 641 and the anchoring bottom plate 644 are respectively provided with a via hole; screw 642 is inserted into the two through holes, and return spring 643 is sleeved on screw 642; the two ends of the screw 642 are connected and fixed with the anchoring top plate 641 and the anchoring bottom plate 644 by nuts.
By tightening the nuts at the ends of the screw 642, the spacing between the anchor top plate 641 and the anchor bottom plate 644 can be adjusted, as well as the amount of preload of the return spring 643.
Alternatively, the anchor top plate 641 is fixedly provided on the upper connection member 610 or the upper connection pipe 10; the anchor floor 644 is fixedly provided to the lower connector 620 or the lower connection pipe 20.
In this embodiment, the upper wing plate 612 may be fixedly connected to the upper connection pipe 10 by bolts, rivets or welding; the lower wing plate 622 may be fixedly coupled to the lower connection pipe 20 by bolts, rivets or welding.
The embodiment realizes the function restorability of the closed section steel column, does not occupy the use space of the building, does not influence the use function of the building, and realizes the efficient assembly construction of the building; in the aspect of stress, the function recovery and the energy dissipation can be realized, and the good performance of the small-vibration rigid column foot can be realized.
Example 3
This embodiment is substantially the same as embodiment 2 except that:
referring to fig. 17, the present embodiment further includes an arc-shaped lath 651 made of energy-consuming soft steel, wherein connection holes are formed at both ends of the arc-shaped lath 651, and the connection holes at both ends of the arc-shaped lath 651 are fastened and fixed by nuts after being respectively sleeved at both ends of the screw 642, so that both ends of the arc-shaped lath 651 are fixedly connected with the anchoring top plate 641 and the anchoring bottom plate 644. One or more arcuate strips 651 may optionally be provided on the outside of one or more return springs 643 to reinforce the partially or fully spent energy consuming plate 630 that the return springs 643 face.
When part or all of the middle energy dissipation portions 632 in the energy dissipation plate 630 fail and cannot be subjected to normal plastic deformation for dissipation, the arc-shaped lath 651 can be additionally arranged on the outer side of the failed middle energy dissipation portion 632, the arc-shaped lath 651 is connected to two ends of the screw 642 facing the failed middle energy dissipation portion 632 through connecting holes, and when the upper connecting pipe 10 and the splicing unit 1 displace relative to the lower connecting pipe 20, the arc-shaped lath 651 deforms accordingly and plays a role of dissipation.
More preferably, the embodiment further comprises a groove-shaped limiter 652, the groove-shaped limiter 652 is a U-shaped channel steel, connecting holes are formed in two ends of the U-shaped channel steel, the anchoring top plate 641 and the anchoring bottom plate 644 are inserted into the U-shaped groove of the groove-shaped limiter 652, and the connecting holes in two ends of the groove-shaped limiter 652 are sleeved on two ends of the screw 642.
The groove stopper 652 limits the maximum displacement between the upper connection pipe 10 and the lower connection pipe 20 using the groove width of the U-shaped groove. The deformation of the column base is prevented from being excessively large to damage the structure, only partial rigidity is provided for the joint in small earthquake, the structure is limited to be deformed up and down in medium earthquake, the structural rigidity, comfort level and the like are prevented from being excessively influenced, the deformation of the joint can be limited in large earthquake, and the main structure can be protected after the deformation is large.
Example 4
This embodiment is substantially the same as embodiments 2-3, except that:
referring to fig. 18, the embodiment further includes a steel ball 670, and a lower circular arc groove is formed in the top center of the lower web 621; an upper arc groove is formed in the bottom center of the upper web 611; the upper and lower circular arc grooves are arranged vertically opposite and at intervals, so that a spherical space is formed, and the steel ball 670 is rotatably embedded in the spherical space. The upper part of the steel ball 670 is inserted into the upper circular arc groove, the lower part of the steel ball 670 is inserted into the lower circular arc groove, and the steel ball 670 is respectively abutted against the lower web 621 and the upper web 611 up and down, so as to realize the transmission of supporting force from the lower connecting piece 620 to the upper connecting piece 610. The steel ball 670 is rotatably arranged, when the upper connecting pipe 10 shakes during an earthquake, a hinge structure is formed between the steel ball 670 and the lower circular arc groove and between the steel ball 670 and the upper circular arc groove, and then the upper connecting pipe 10 is allowed to swing freely, so that the energy consumption plate 630 starts working to consume energy; after the shaking is finished, the upper connecting pipe 10 can be quickly reset under the action of the pretightening force of the reset spring 643. Whether in the process of energy consumption or resetting, the steel ball 670 plays a main bearing role, so that the load of the energy consumption plate 630 is greatly reduced, meanwhile, the reset spring 643 is prevented from being excessively extruded to fail, the normal energy consumption and resetting effects of the two are ensured, and the service lives of the energy consumption plate 630 and the reset spring 643 are greatly prolonged.
Example 5
This embodiment is substantially the same as embodiment 4 except that:
referring to fig. 19, the present embodiment includes: an upper hemisphere 671, a lower hemisphere 672, a steel pin 673 and a thrust disc spring 674; the upper hemisphere 671 and the lower hemisphere 672 are opposite from top to bottom and are arranged at intervals; an upper shaft hole is formed in the center of the bottom surface of the upper hemisphere 671, and a lower shaft hole is formed in the center of the top surface of the lower hemisphere 672; the upper part of the steel pin 673 can be inserted in the upper shaft hole in a relatively sliding manner, and the lower part of the steel pin 673 can be inserted in the lower shaft hole in a relatively sliding manner; the upper hemisphere 671 and the lower hemisphere 672 are relatively close and far away by a steel pin 673; the thrust disc spring 674 is sleeved on the steel pin 673 and disposed between the upper hemisphere 671 and the lower hemisphere 672.
The center of the top of the lower web 621 is provided with a lower circular arc groove; an upper arc groove is formed in the bottom center of the upper web 611; the upper arc groove and the lower arc groove are arranged vertically opposite and at intervals, the upper hemisphere 671 is inserted into the upper arc groove, and the lower hemisphere 672 is inserted into the lower arc groove; in assembly or operation, the thrust disc spring 674 is compressed and the upper and lower hemispheres 671, 672 bear against the upper and lower webs 611, 621, respectively, under the spring force of the thrust disc spring 674 for effecting the transfer of support force from the lower connector 620 to the upper connector 610.
In embodiment 4, during long-term use or large-scale earthquake, the column foot structure is greatly deformed, so that the upper connecting pipe 10 and the upper connecting piece 610 are displaced or deflected in a large dimension, and the upper web 611 is temporarily or long-term separated from the steel ball 670, so that the load applied to the energy dissipation plate 630 and the return spring 643 is suddenly increased, and the energy dissipation plate 630 and the return spring 643 cannot work normally or are damaged.
While the upper hemisphere 671 and the lower hemisphere 672 in the present embodiment are always abutted against the upper web plate 611 and the lower web plate 621 under the action of the spring force of the thrust disc spring 674, even if the column foot structure is greatly deformed, the upper connecting pipe 10 and the upper connecting piece 610 are displaced or deflected in a larger size, and the upper hemisphere 671 and the lower hemisphere 672 are always abutted against the lower web plate 621 and the upper web plate 611 under the action of the spring force of the thrust disc spring 674, so that the normal transmission of the supporting force from the lower connecting piece 620 to the upper connecting piece 610 is smoothly realized. The sudden increase of the load applied to the energy consumption plate 630 and the return spring 643, which causes the energy consumption plate 630 and the return spring 643 to not work normally, and even to be destroyed, is avoided.
Wherein, to prevent the upper hemisphere 671 and the lower hemisphere 672 from tilting, one of the upper hemisphere 671 and the lower hemisphere 672 may be fixedly connected to the upper web 611 or the lower web 621 by welding.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (9)

1. A telescopic flanged modular steel structure system, comprising: the splicing unit, the sleeve and the connecting flange;
the splicing unit comprises a cross beam and an upright post;
the upright posts are vertically arranged; the four upright posts are arranged in a rectangular shape; two ends of the cross beam are respectively connected with two adjacent stand columns, so that a frame type splicing unit is formed;
the upper end and the lower end of the upright post are respectively provided with a splicing groove and a connecting flange;
when the upper adjacent splicing units and the lower adjacent splicing units are connected, the upright post of the upper splicing unit is in butt joint with the upright post of the lower splicing unit, and a connecting node is formed after the upright posts are fixedly connected through a connecting flange and a bolt;
the upper part and the lower part of the sleeve are respectively inserted into the inserting grooves at the end parts of the two upright posts which are in butt joint up and down and are used for resisting shearing when the steel structure receives horizontal acting force;
the lowest splicing unit is connected with the foundation in height through an energy consumption structure;
the energy consumption structure comprises: an upper connecting pipe, an energy consumption cylinder and a lower connecting pipe;
the upper end of the upper connecting pipe is fixedly connected with the lower end of the upright post of the bottommost splicing unit;
the energy consumption section of thick bamboo includes: an upper connecting piece, a lower connecting piece and an energy consumption plate;
the upper connecting piece is used for being connected with the lower end of the upper connecting pipe;
the lower connecting piece is used for being connected with the upper end of the lower connecting pipe;
the lower end of the lower connecting pipe is fixedly connected with the foundation;
the two ends of the energy dissipation plate are respectively connected with the upper connecting piece and the lower connecting piece, and when the upper connecting piece and the lower connecting piece are relatively displaced, the energy dissipation plate is subjected to plastic deformation to consume energy;
the energy consumption plate comprises an upper connecting part, a middle energy consumption part and a lower connecting part which are integrally made of energy consumption soft steel;
the upper connecting piece is cross-shaped or m-shaped and comprises an upper web plate which is distributed in a cross-shaped or m-shaped manner, and an upper wing plate is vertically arranged at the end part of the upper web plate; the upper connecting part of the energy consumption plate is fixedly connected with the upper wing plate; the lower connecting piece is cross-shaped or m-shaped and comprises a lower web plate which is distributed in a cross-shaped or m-shaped manner, and the end part of the lower web plate is vertically provided with a lower wing plate; the lower connecting part of the energy consumption plate is fixedly connected with the lower wing plate;
further comprises: the device comprises an upper hemisphere, a lower hemisphere, a steel pin and a thrust disc spring;
the upper hemisphere and the lower hemisphere are opposite from top to bottom and are distributed at intervals; the center of the bottom surface of the upper hemisphere is provided with an upper shaft hole, and the center of the top surface of the lower hemisphere is provided with a lower shaft hole;
the upper part of the steel pin can be inserted in the upper shaft hole in a relatively sliding manner, and the lower part of the steel pin can be inserted in the lower shaft hole in a relatively sliding manner; the upper hemisphere and the lower hemisphere can be relatively close to and far away from each other through the steel pin; the thrust disc spring is sleeved on the steel pin and is arranged between the upper hemisphere and the lower hemisphere;
the center of the top of the lower web plate is provided with a lower circular arc groove; an upper arc groove is formed in the center of the bottom of the upper web plate; the upper arc groove and the lower arc groove are arranged vertically opposite and at intervals, the upper hemisphere is inserted into the upper arc groove, and the lower hemisphere is inserted into the lower arc groove; when the thrust disc spring is assembled in place or works, the thrust disc spring is compressed, and the upper hemisphere and the lower hemisphere respectively lean against the upper web plate and the lower web plate under the action of the spring force of the thrust disc spring.
2. The telescopic flanged modular steel structure system according to claim 1, wherein a limit structure for limiting the insertion depth of the sleeve is provided in the insertion groove.
3. The telescopic flanged modular steel structure system according to claim 2, wherein the limit structure is an annular boss disposed in the socket.
4. The telescopic flanged modular steel structure system according to claim 2, wherein the upright is a pipe; the limiting structure comprises threaded holes formed in the pipe wall of the pipe body and close to two ends of the upright post, and screws matched with the threaded holes; after the screw is screwed into the threaded hole, the top end of the screw extends into the inserting groove, and the end face of the sleeve abuts against the screw.
5. The telescopic flanged modular steel structure system according to claim 4, wherein a plurality of said threaded holes are spaced apart in the height direction of the column, and a screw is selectively threaded into one of the threaded holes for adapting to different lengths of the sleeve.
6. The telescopic flanged modular steel structure system according to claim 1, wherein the connection flange is an annular flange continuously arranged circumferentially around the upright;
or the connecting flange is a U-shaped flange which is continuously distributed around three adjacent sides of the upright post;
or, the connecting flange is an L-shaped flange which is continuously distributed around two adjacent edges of the upright post.
7. The telescopic flanged modular steel structure system according to claim 1, wherein the cross beam is fixedly connected to the upright by an i-shaped conversion member; the I-shaped conversion piece comprises an upper wing plate, a lower wing plate and a middle web plate; the two ends of the upper wing plate, the lower wing plate and the middle web plate are respectively and fixedly connected with the cross beam and the upright post.
8. The telescopic flanged modular steel structure system according to claim 1, further comprising a connection pad, the connection pad being in the form of a continuous closed loop as a whole; the connecting base plate is arranged at the connecting joint and between the upper group of connecting flanges and the lower group of connecting flanges; and after the splicing units on the upper layer and the lower layer are fixedly connected by utilizing a plurality of bolts to pass through the connecting flange and the connecting holes on the connecting backing plate, all the bolts on the connecting nodes are sequentially connected in series by the connecting backing plate.
9. A building employing the telescopic flanged modular steel structure system of any one of claims 1-8.
CN202311163391.4A 2023-09-11 2023-09-11 Sleeve type flange connection modularized steel structure system and building thereof Active CN116905655B (en)

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