CN113202184B - Beam-column assembled node suitable for reinforced concrete structure - Google Patents

Beam-column assembled node suitable for reinforced concrete structure Download PDF

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Publication number
CN113202184B
CN113202184B CN202110554364.4A CN202110554364A CN113202184B CN 113202184 B CN113202184 B CN 113202184B CN 202110554364 A CN202110554364 A CN 202110554364A CN 113202184 B CN113202184 B CN 113202184B
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locking
column
concrete
plate
locking ring
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CN113202184A (en
Inventor
朱从香
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Shaanxi Xifu Lvjian Prefabricated Construction Co.,Ltd.
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Yangzhou Polytechnic Institute
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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
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings

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

Abstract

The invention discloses a beam-column assembled node suitable for a reinforced concrete structure, and relates to the technical field of civil engineering. The invention comprises a concrete column and a concrete beam; a fixing plate is embedded in the concrete column; the fixed plate is connected with a catheter; a locking sleeve is sleeved in the conduit; the locking sleeve is provided with a conical necking end; a locking ring and a compression spring are arranged in the locking sleeve; the locking ring is in a horn shape; the side wall of the locking ring is provided with a plurality of mounting holes, and locking blocks are arranged in the mounting holes; the compression spring is used for pushing the locking ring, and the locking block is pushed towards the inside of the locking ring by utilizing the inner wall of the necking end of the locking sleeve; the end part of the concrete beam is pre-embedded with a locking column; the locking post is provided with an annular groove. According to the invention, the locking blocks on the locking rings are matched with the annular grooves of the locking columns, so that the concrete beam is quickly positioned, the locking sleeves are locked and pulled by the nuts, the effect of quick assembly is realized, and the problems of poor positioning precision and low assembly efficiency of the existing reinforced concrete beam column are solved.

Description

Beam-column assembled node suitable for reinforced concrete structure
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a beam-column fabricated node suitable for a reinforced concrete structure.
Background
The prefabricated concrete structure is formed by connecting prefabricated concrete members or parts through reinforcing steel bars, connecting pieces or prestress application, and has the advantages of less limitation of weather conditions, short construction period, high construction speed, labor saving and the like compared with the traditional cast-in-place structure.
The frame beams and columns of the prefabricated building are no longer connected by cast-in-place concrete, but are combined together by means of additional connecting devices. A common connection method is to use unbonded prestressed tendons to assemble prefabricated reinforced concrete frame beams and columns.
However, in the existing assembly process, the number of connecting parts is large, the installation process is complicated, and the positioning accuracy between beams and columns is poor in the installation process, so that the overall assembly efficiency is low.
Disclosure of Invention
The invention aims to provide a beam-column assembled node suitable for a reinforced concrete structure, which is characterized in that a locking block on a locking ring is matched with an annular groove of a locking column to realize quick positioning of a concrete beam, a locking sleeve is locked and pulled by a nut to realize a quick assembly effect, and the problems of poor positioning precision and low assembly efficiency of the existing reinforced concrete beam column are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a beam-column fabricated node suitable for a reinforced concrete structure, which comprises a concrete column and a concrete beam; a fixing plate is embedded in one side of the concrete column; one side of the fixed plate is fixedly connected with a supporting groove plate, and the other side of the fixed plate is fixedly connected with a plurality of fixed pipes; the fixing plate is provided with inserting holes corresponding to the fixing pipes one by one; one end of the fixed pipe is fixedly connected with a guide pipe; the fixed pipe and the guide pipe are both positioned in the concrete column, and the end face of the guide pipe is flush with the outer wall of the concrete column; a locking sleeve is sleeved in the guide pipe;
the locking sleeve is provided with a necking end with a tapered structure, and the other end of the locking sleeve is fixedly connected with a connecting plate; a stud is fixedly connected to the side face of the connecting plate, extends out of the guide pipe and is matched with a nut; a locking ring and a compression spring are arranged in the locking sleeve; the locking ring is of a horn-shaped structure and is matched with the inner wall of the necking end of the locking sleeve; the side wall of the locking ring is provided with a plurality of mounting holes, and locking blocks are arranged in the mounting holes; the compression spring is used for pushing the locking ring towards the necking end of the locking sleeve, and the locking block is pushed towards the inside of the locking ring by utilizing the inner wall of the necking end of the locking sleeve;
the end part of the concrete beam is in clearance fit with the support groove plate, and a locking column is embedded in the end part of the concrete beam; an annular groove is formed in the end part of the locking column; the locking column is inserted into the locking ring through the insertion hole, and the locking block is matched with the annular groove.
Furthermore, two side walls of the supporting groove plate are connected with horizontally arranged limiting strips; and the end part of the concrete beam is provided with a limiting groove matched with the limiting strip.
Furthermore, the cross section of the limiting strip is arc-shaped.
Furthermore, a transition surface is arranged between the two inner side walls and the bottom wall of the support groove plate, and the transition surface is an inclined surface or a curved surface; and a tangent plane matched with the transition surface is arranged at the end part of the concrete beam.
Further, the outer diameter of the guide tube is larger than that of the fixed tube.
Furthermore, a base plate is inserted into the studs; the backing plate is located between the nut and the concrete column.
Furthermore, a high damping plate is arranged on one side face, attached to the concrete column, of the base plate.
The invention has the following beneficial effects:
according to the invention, the fixing plate is embedded in the concrete column, the guide pipe connected with the fixing plate is sleeved with the locking sleeve, the locking ring matched with the tapered necking is arranged in the locking sleeve, the locking block on the locking ring is matched with the annular groove on the locking column at the end part of the concrete beam to realize locking, and the locking column is tensioned through the locking sleeve and the locking ring by matching the stud connected at the end part of the locking sleeve with the nut, so that the concrete column and the concrete beam are quickly assembled, and the assembly efficiency is effectively improved.
Meanwhile, the concrete beam is supported by the supporting groove plate, and the locking column is inserted through the inserting hole in the fixing plate, so that the positioning precision in the assembling process is effectively improved.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a beam-column fabricated node suitable for a reinforced concrete structure according to the present invention;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a top view of the structure of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is an enlarged view of the structure of the part B in FIG. 4;
FIG. 6 is an exploded view of the structure of the fixing plate, the locking sleeve and the locking ring;
FIG. 7 is a schematic view of a concrete beam construction;
in the drawings, the components represented by the respective reference numerals are listed below:
1-concrete column, 11-concrete beam, 12-locking column, 2-fixing plate, 3-locking sleeve, 4-locking ring, 5-backing plate, 101-annular groove, 102-limiting groove, 103-tangent plane, 201-supporting groove plate, 202-fixing pipe, 203-guide pipe, 204-plug hole, 205-limiting strip, 206-transition surface, 301-connecting plate, 302-stud, 303-nut, 304-compression spring, 401-mounting hole, 402-locking block and 501-high damping plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, the present invention relates to a beam-column fabricated node for a reinforced concrete structure, which includes a concrete column 1 and a concrete beam 11. The fixed plate 2 is pre-buried in 1 one side of concrete column, and the fixed plate 2 side flushes with the surface of concrete column 1, and welds or screwed connection has support frid 201, and the volume opposite side welding of fixed plate 2 has four fixed pipes 202. The cross section of the support groove plate 201 is of a U-shaped structure.
As shown in fig. 4 to 6, the fixing plate 2 is provided with inserting holes 204 corresponding to the fixing tubes 202 one by one, and the inner diameter of the inserting holes 204 is equal to or smaller than the inner diameter of the fixing tubes 202.
The guide pipe 203 is welded at one end of the fixed pipe 202, wherein the fixed pipe 202 and the guide pipe 203 are both positioned inside the concrete column 1, and the end surface of the guide pipe 203 is flush with the outer wall of the concrete column 1. Meanwhile, the outer diameter of the guide pipe 203 is larger than that of the fixing pipe 202, which is beneficial to improving the stability of the fixing plate 2 after being stressed, so that the fixing plate 2, the fixing pipe 202 and the guide pipe 203 can be better embedded in the concrete column 1.
The pipe 203 is internally sleeved with a locking sleeve 3, the locking sleeve 3 is provided with a tapered end, the other end of the locking sleeve 3 is fixedly connected with a connecting plate 301, and the connecting plate 301 can be connected with the locking sleeve 3 through welding or is connected and fixed with the inner wall of the locking sleeve 3 through threads. A stud 302 is welded on the side of the connecting plate 301, and the stud 302 extends out of the conduit 203 and is matched with a nut 303.
A locking ring 4 and a compression spring 304 are arranged in the locking sleeve 3; the locking ring 4 is in a horn-shaped structure and is matched with the inner wall of the necking end of the locking sleeve 3; three to five mounting holes 401 are seted up to locking ring 4 lateral wall, and install the latch segment 402 that is equipped with in the mounting hole 401, and latch segment 402 is spheroid or column structure.
One end of the compression spring 304 abuts against the connecting plate 301, the other end of the compression spring abuts against the end face of the locking ring 4, and the end face of the locking ring 4 can be provided with an inward turn-over surface, so that the locking ring 4 can be in better contact with the compression spring 304. The compression spring 304 is used for pushing the locking ring 4 towards the reduced end of the locking sleeve 3, and the locking block 402 is pushed towards the inside of the locking ring 4 by the inner wall of the reduced end of the locking sleeve 3.
As shown in fig. 7, the end of the concrete beam 11 is in clearance fit with the support channel plate 201, and the locking column 12 is embedded in the end of the concrete beam 11; the end of the locking column 12 is provided with an annular groove 101; the locking column 12 is inserted into the locking ring 4 through the inserting hole 204, the locking block 402 is matched with the annular groove 101, the locking column 12 is locked by matching the locking block 402 on the locking ring 4 with the annular groove 101, the nut 303 is abutted to the surface of the concrete column 1 by screwing the nut 303, the locking sleeve 3 is pulled through the stud 302, the locking column 12 is pulled through the locking ring 4 and the locking block 402, and the concrete column 1 is tightly attached to the concrete beam 11 to achieve rapid assembly.
Example two
As shown in fig. 6, on the basis of the first embodiment, horizontally disposed limiting strips 205 are welded to both side walls of the supporting channel plate 201, and the cross-sectional shape of the limiting strips 205 is an arc. The end of the concrete beam 11 is provided with a limit groove 102 matched with the limit strip 205. Through spacing 205 and spacing groove 102 cooperation, further improvement to the positioning accuracy when assembling concrete beam 11 to and limiting displacement, be favorable to improving the stability after concrete beam 11 assembles.
Meanwhile, a transition surface 206 is arranged between the two inner side walls and the bottom wall of the supporting groove plate 201, the transition surface 206 is an inclined surface or a curved surface, and a tangent plane 103 matched with the transition surface 206 is arranged at the end part of the concrete beam 11. Through setting up transition face 206 and tangent plane 103 cooperation, can improve the homogeneity of the atress when supporting frid 201 supports concrete beam 11, avoid appearing stress concentration's the condition emergence.
Moreover, a backing plate 5 is inserted into the four studs 302; the spacer 5 is located between the nut 303 and the concrete column 1. The base plate 5 is provided with the through holes which are one-to-one corresponding to the studs 302, the studs 302 penetrate through the base plate 5, and when the base plate is assembled and locked, the nuts 303 are screwed to be in surface contact with the base plate 5, so that the pressure of the nuts 303 on the surface of the concrete column 1 can be effectively reduced, the stability of integral stress is improved, and the convenience of screwing when the nuts 303 are locked is improved.
In order to improve the anti-seismic and buffering effects, a high damping plate 501 is arranged on one side face, attached to the concrete column 1, of the cushion plate 5, when vibration occurs, relative movement is easy to generate between the concrete column 1 and the concrete beam 11, and at the moment, the tensile force generated by the concrete beam 11 can be effectively buffered through the high damping plate 501, so that the anti-seismic effect is achieved.
The specific implementation principle of the invention is as follows: as shown in fig. 5, the end of the concrete beam 11 is supported in the support groove plate 201 at the time of assembly, thereby facilitating the assembly. At this time, the concrete beam 11 is axially moved, and the locking column 12 is inserted into the guide pipe 3 through the insertion hole 204 and the fixing pipe 202 in sequence.
And then the locking sleeve 3 is inserted from the other end of the conduit 3 through the stud 302, after the locking sleeve 3 is inserted, the locking column 12 abuts against the locking block 402 on the locking ring 4, the locking sleeve 3 is continuously pushed, at the moment, the locking ring 4 cannot move, the distance between the side wall of the locking ring 4 and the inner wall of the necking end of the locking sleeve 3 is increased, so that the locking block 402 moves towards the outer side of the locking ring 4, and when the locking block 402 moves to the extent that the locking column 12 cannot be blocked, the locking ring 4 is pushed beyond the right side under the action of the compression spring 304 and is sleeved at the end part of the locking column 12.
At this time, the distance between the side wall of the locking ring 4 and the inner wall of the necking end of the locking sleeve 3 is reduced, and the locking block 402 moves towards the inner side of the locking ring 4, so as to be clamped into the annular groove 101 at the end part of the locking column 12, and the locking of the locking column 12 is realized.
Finally, the nut 303 is screwed, so that the stud 302 pulls the locking sleeve 3, and the locking block 402 on the locking ring 4 plays a role of pulling the locking column 12, so that the end surface of the concrete beam 11 is tightly attached to the surface of the concrete column 1, the integral assembly is realized, and the convenience of the integral assembly is effectively improved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A beam-column fabricated node suitable for a reinforced concrete structure comprises a concrete column (1) and a concrete beam (11); the method is characterized in that: a fixing plate (2) is embedded in one side of the concrete column (1); one side of the fixed plate (2) is fixedly connected with a supporting groove plate (201), and the other side of the fixed plate is fixedly connected with a plurality of fixed pipes (202); the fixing plate (2) is provided with inserting holes (204) which correspond to the fixing pipes (202) one by one;
one end of the fixed pipe (202) is fixedly connected with a guide pipe (203); the fixed pipe (202) and the guide pipe (203) are both positioned in the concrete column (1), and the end surface of the guide pipe (203) is flush with the outer wall of the concrete column (1); a locking sleeve (3) is sleeved in the guide pipe (203);
the locking sleeve (3) is provided with a necking end with a tapered structure, and the other end of the locking sleeve (3) is fixedly connected with a connecting plate (301); a stud (302) is fixedly connected to the side face of the connecting plate (301), the stud (302) extends out of the guide pipe (203), and a nut (303) is matched with the stud;
a locking ring (4) and a compression spring (304) are arranged in the locking sleeve (3); the locking ring (4) is of a horn-shaped structure and is matched with the inner wall of the necking end of the locking sleeve (3); a plurality of mounting holes (401) are formed in the side wall of the locking ring (4), and locking blocks (402) are arranged in the mounting holes (401);
the compression spring (304) is used for pushing the locking ring (4) towards the necking end of the locking sleeve (3), and the inner wall of the necking end of the locking sleeve (3) is used for pushing the locking block (402) towards the inside of the locking ring (4);
the end part of the concrete beam (11) is in clearance fit with the supporting channel plate (201), and a locking column (12) is embedded in the end part of the concrete beam (11); an annular groove (101) is formed in the end of the locking column (12); the locking column (12) is inserted into the locking ring (4) through the insertion hole (204), and the locking block (402) is matched with the annular groove (101).
2. The beam-column fabricated node suitable for a reinforced concrete structure according to claim 1, wherein two side walls of the supporting channel plate (201) are connected with horizontally arranged limiting strips (205); and the end part of the concrete beam (11) is provided with a limiting groove (102) matched with the limiting strip (205).
3. The beam-column fabricated node suitable for a reinforced concrete structure as recited in claim 2, wherein the cross-sectional shape of the spacing bar (205) is a circular arc.
4. The beam-column fabricated node suitable for a reinforced concrete structure as claimed in claim 1, 2 or 3, wherein a transition surface (206) is provided between the two inner side walls and the bottom wall of the support channel plate (201), and the transition surface (206) is an inclined surface or a curved surface; and a tangent plane (103) matched with the transition surface (206) is arranged at the end part of the concrete beam (11).
5. The beam-column fabricated node suitable for a reinforced concrete structure according to claim 1, wherein the guide pipe (203) has an outer diameter greater than that of the stationary pipe (202).
6. A beam-column fabricated node suitable for reinforced concrete structures according to claim 1 or 2 or 3 or 5, characterized in that a backing plate (5) is inserted through a plurality of said studs (302); the backing plate (5) is located between the nut (303) and the concrete column (1).
7. The beam-column fabricated node suitable for a reinforced concrete structure as claimed in claim 6, wherein a high damping plate (501) is arranged on one side surface of the base plate (5) attached to the concrete column (1).
CN202110554364.4A 2021-05-20 2021-05-20 Beam-column assembled node suitable for reinforced concrete structure Active CN113202184B (en)

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Publication number Priority date Publication date Assignee Title
CN110185139B (en) * 2019-05-27 2024-05-17 广西建筑材料科学研究设计院有限公司 Full section connection box device of precast concrete beam column of spacing auto-lock, unblock and reinforcing bar connection
CN110185140B (en) * 2019-05-27 2024-05-14 广西建筑材料科学研究设计院有限公司 Full section connection box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection
CN114016639A (en) * 2021-09-24 2022-02-08 清华大学建筑设计研究院有限公司 Assembly type combined wall adopting vertical strip plates and connecting method thereof
CN113818561B (en) * 2021-10-04 2022-11-01 湖南壹栋建筑科技有限公司 Prefabricated beam connected node for assembly type structure
CN113982103B (en) * 2021-11-05 2022-12-09 上海结奕建筑咨询事务所 Steel-concrete combined building frame

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