CN115045394B - Self-resetting reinforced concrete column-steel beam mixed node - Google Patents
Self-resetting reinforced concrete column-steel beam mixed node Download PDFInfo
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- CN115045394B CN115045394B CN202210906270.3A CN202210906270A CN115045394B CN 115045394 B CN115045394 B CN 115045394B CN 202210906270 A CN202210906270 A CN 202210906270A CN 115045394 B CN115045394 B CN 115045394B
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention belongs to the field of steel-concrete composite structures, and particularly relates to a self-resetting reinforced concrete column-steel beam mixed node, which comprises a steel beam and a concrete column, wherein the steel beam is connected with the concrete column through energy-consuming angle steel and prestressed tendons, and further comprises a second energy-consuming component, the second energy-consuming component comprises a sleeve obliquely arranged, two ends of the sleeve are respectively provided with a mounting cavity, one mounting cavity is internally provided with a detachable connection support rod, the support rod extends out of the mounting cavity and is rotatably connected with the concrete column, the other mounting cavity is internally provided with a slide bar, the slide bar is connected with the mounting cavity through an elastic mechanism, and the slide bar is connected with the steel beam.
Description
Technical Field
The invention belongs to the field of steel-concrete composite structures, and particularly relates to structural improvement of a self-resetting reinforced concrete column-steel beam mixed node.
Background
The steel and concrete combined structure is one of the most widely used structural forms in practical engineering, and the reinforced concrete column-steel beam combined frame structure replaces a steel column with a reinforced concrete column, so that the advantages of high bearing capacity, high rigidity, strong fire resistance, high steel structure strength and light weight of the concrete structure can be fully exerted.
In the prior art, the self-resetting steel structure system is generally connected by adopting the whole span prestressed tendons in a full length mode, so that the construction difficulty and the technical requirements of the prestressed tendons are increased, and the risk of structural collapse caused by damage of part of the prestressed tendons or anchorage devices is increased; the components such as beams and columns in the self-resetting reinforced concrete structure are connected by adopting prestress tendons or by adopting self-resetting devices, which can lead to the incapability of effectively guaranteeing the rigidity, bearing capacity, self-resetting capacity and other performances of the structural system under the action of an earthquake, and simultaneously increases the technical treatment and construction difficulty of the components such as beams and columns. In order to solve the problems, the reinforced concrete column-steel beam combined frame structure can ensure life and property safety under the action of an earthquake, the pre-determined function of the building structure after the earthquake is quickly recovered, and the influence of the earthquake on the normal use function of the building structure is reduced.
Therefore, it is necessary to invent a hybrid node which can be assembled, has small residual deformation after earthquake, strong stability and quick recovery of the preset function, and meets the earthquake-resistant performance requirement of the building structure at the present stage.
Disclosure of Invention
The invention aims to provide a self-resetting reinforced concrete column-steel beam mixed node, and in order to achieve the aim of the invention, the technical scheme adopted by the invention is as follows:
the self-resetting reinforced concrete column-steel beam mixed node comprises a steel beam and a concrete column, wherein the steel beam is connected with the concrete column through energy consumption angle steel and prestressed tendons, the self-resetting reinforced concrete column-steel beam mixed node further comprises a second energy consumption assembly, the second energy consumption assembly comprises a sleeve which is obliquely arranged, two ends of the sleeve are respectively provided with an installation cavity, one of the installation cavities is internally provided with a detachable connection supporting rod, the supporting rod extends out of the installation cavities and is rotatably connected with the concrete column, the other installation cavity is internally provided with a sliding rod, the sliding rod is connected with the installation cavities through an elastic mechanism and is used for extruding the sliding rod, and the sliding rod extends out of the installation cavities and is connected with the steel beam.
Further, the elastic mechanism comprises a spring sleeved on the sliding rod, the end part of the sliding rod is provided with a limiting part matched with the mounting cavity, one end of the spring is abutted against the limiting part, the other end of the spring is abutted against a cover plate, and the cover plate is detachably connected with an opening of the mounting cavity;
the device also comprises a disc spring, wherein the disc spring is arranged between the end face of the limiting part and the inner wall of the mounting cavity.
Further, the sleeve is connected with the supporting rod through threads, and an elastic piece is arranged between the end part of the sleeve and the installation cavity.
Further, the top and the bottom of girder steel all are provided with the second power consumption subassembly, and are the symmetry setting, the both sides of concrete column all are provided with the girder steel, and two all be provided with on the girder steel two the second power consumption subassembly.
Further, the device also comprises two connecting rods which are transversely arranged on the concrete column, are respectively positioned above and below the steel beam, are horizontally arranged, and are respectively rotatably connected with the two supporting rods on the second energy consumption components at two ends.
Further, one end of the supporting rod extending out of the installation cavity is connected with the connecting rod through a second hinging seat, and one end of the sliding rod extending out of the installation cavity is rotatably connected with the steel beam through a first hinging seat.
Further, the end part of the steel beam is provided with a connecting plate, the side surface of the concrete column is provided with a clamping groove matched with the connecting plate, the connecting plate is arranged in the clamping groove, and the connecting plate is connected with the steel beam through the energy-consumption angle steel.
The two connecting plates are arranged at two sides of the concrete column, and two ends of the two connecting plates are detachably connected through the transverse bars respectively;
further, the two connecting plates and the cross bars form a hollow structure together, the concrete column is arranged in the middle part of the connecting plates, and the side surface of the concrete column is provided with a groove matched with the cross bars.
Further, the opposite sides of the two connecting plates are fixedly connected with a plug rod and a pipe sleeve in a distributed mode, the pipe sleeve is sleeved on the plug rod, the concrete column is provided with a transverse perforation matched with the pipe sleeve, and the pipe sleeve is arranged in the transverse perforation;
further, a plurality of square holes are formed in the surface of the pipe sleeve and surround the peripheral surface of the pipe sleeve, and a tensioning mechanism is arranged in each square hole;
the tensioning mechanism comprises a pressing strip, one side of the pressing strip is abutted against the transverse perforation, the other side of the pressing strip is fixedly connected with a plurality of protrusions, the protrusions are arranged in blind holes on one side of the sliding strip, the blind holes are internally provided with second elastic pieces which are abutted against the protrusions, the other sides of the sliding strip extend out of the square holes and are arranged in sliding grooves on the surface of the inserting rod, the end part of the inserting rod is a wedge surface, the wedge surface surrounds the peripheral surface of the inserting rod, and the two ends of one side of the sliding strip, which is located in the sliding grooves, are respectively provided with a chamfer part matched with the wedge surface.
The invention has the following beneficial effects: when the middle earthquake or the large earthquake acts, the length direction and the bending direction of the steel beam are misplaced, the prestress rib is stretched, the sliding rod on the second energy consumption component slides in the installation cavity and compresses the elastic mechanism, then the prestress rib and the elastic mechanism recover to deform, so that the steel beam is pushed to reset in the axial direction, the energy consumption angle steel is pushed to recover to deform in the direction of bending the steel beam, and the steel beam returns to the horizontal plane.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic overall cross-sectional view;
FIG. 3 is a schematic cross-sectional view of a second energy consuming assembly;
FIG. 4 is a schematic view in the direction A-A of FIG. 3;
FIG. 5 is a schematic diagram of the connection relationship between the connection plates and the cross bars;
FIG. 6 is a schematic diagram of a card slot and groove;
FIG. 7 is a schematic illustration of the connection of the plunger and the sleeve;
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The self-resetting reinforced concrete column-steel beam mixed node comprises a steel beam 2 and a concrete column 1, wherein the steel beam 2 is connected with the concrete column 1 through energy consumption angle steel 5 and prestressed tendons 6, the self-resetting reinforced concrete column-steel beam mixed node further comprises a second energy consumption assembly 3, the second energy consumption assembly 3 comprises a sleeve 301 which is obliquely arranged, two ends of the sleeve 301 are respectively provided with an installation cavity, one of the installation cavities is internally provided with a detachable connection supporting rod 302, the supporting rod 302 extends out of the installation cavity to be rotatably connected with the concrete column 1, the other installation cavity is internally provided with a sliding rod 303, the sliding rod 303 is connected with the installation cavity through an elastic mechanism and used for extruding the sliding rod 303, and the sliding rod 303 extends out of the installation cavity and is connected with the steel beam 2.
As shown in fig. 1, girder steel 2 and concrete column 1 are connected through power consumption angle steel 5 and prestressing tendons 6 among the prior art, concrete column 1 vertical setting, girder steel 2 level sets up, girder steel 2 is the i-steel, all be provided with power consumption angle steel 5 on the flange plate of girder steel 2 top and bottom, power consumption angle steel 5 is "L" shape structure, concrete column 1 is connected to its one side, another side is provided with bar hole 501, locking screw 502 passes bar hole 501 and girder steel 2 and passes through nut connection girder steel 2, thereby support girder steel 2 and connect on concrete column 1 through power consumption angle steel 5, fixedly connected fixed plate 7 on the web of girder steel 2, prestressing tendons 6 pass concrete column 1 and fixedly connected fixed plate 7, prestressing tendons 6 are the tensioning state, prestressing tendons 6 play the effect of taut girder steel 2, make girder steel 2 support tight concrete column 1.
The second energy consumption component 3 is another energy consumption component except the energy consumption angle steel 5 and the prestress rib 6, the sleeve 301 is obliquely arranged and is positioned on the same vertical plane with the steel beam 2 and the concrete column 1, the sleeve 301, the slide bar 303 and the support bar 302 are arranged through the center, and under the action of an elastic mechanism, the second energy consumption component 3 can generate component forces in the vertical direction and the horizontal direction on the steel beam 2 through the obliquely arranged sleeve 301, so that the axial direction and the bending dislocation of the steel beam 2 are correspondingly treated, the rotation axis of the support bar 302 and the rotation axis of the slide bar 303 are parallel, and the rotation axis is perpendicular to the length direction of the steel beam 2, so that in the invention, the steel beam shearing force is jointly born by the energy consumption angle steel 5 and the second energy consumption component 3, and the steel beam bending moment and the axial force are jointly born by the prestress rib 6 and the second energy consumption component 3.
In the concrete implementation, when the middle or large earthquake is performed, the steel beam 2 is dislocated relative to the concrete column 1, a gap is formed between the steel beam 2 and the concrete column 1 in the length direction of the steel beam 2, namely in the axial direction, the locking screw 502 moves along the strip-shaped hole 501, the prestressed tendon 6 is stretched, the sliding rod 303 on the second energy consumption component 3 slides in the installation cavity and compresses the elastic mechanism, and then the prestressed tendon 6 and the elastic mechanism recover to deform, so that the steel beam 2 is pushed to reset in the axial direction; in the direction of bending the steel beam 2, namely in the direction of rotating the steel beam 2 around the energy consumption angle steel 5, the steel beam 2 and the horizontal surface form a certain angle difference, the energy consumption angle steel 5 is subjected to bending deformation, in the process of recovering deformation of the prestress rib 6 and the elastic mechanism, the energy consumption angle steel 5 is pushed to recover deformation, and the steel beam 2 returns to the horizontal surface.
As shown in fig. 3, further, the elastic mechanism includes a spring 304 sleeved on the sliding rod 303, a limit portion adapted to the installation cavity is provided at an end of the sliding rod 303, one end of the spring 304 abuts against the limit portion, the other end abuts against a cover plate 305, and the cover plate 305 is detachably connected with an opening of the installation cavity;
the device further comprises a disc spring 310, wherein the disc spring 310 is arranged between the end face of the limiting part and the inner wall of the mounting cavity.
The cover plate 305 can be connected to the opening end face of the installation cavity through means such as screws and threads, the diameter of the limiting part is larger than that of the sliding rod 303, the sliding rod 303 slidably penetrates through the cover plate 305, the disc spring 310 is suitable for a narrow space between the end face of the limiting part and the inner wall of the installation cavity, sliding of the sliding rod 303 in two directions can be adapted through the combined action of the disc spring 310 and the spring 304, and further bending of the steel beam 2 in the upward and downward directions is corresponding, when the disc spring 310 or the spring 304 is deformed in a recovery mode, the sliding rod 303 is pushed to move, and therefore reset thrust is provided in the axial direction and the bending direction of the steel beam 2.
Further, the sleeve 301 is connected with the supporting rod 302 through threads, and an elastic piece 308 is arranged between the end of the sleeve 301 and the installation cavity.
The elastic piece 308 can be a spring, a disc spring, a rubber block and other components, is in a compressed state, pushes the supporting rod 303 to move towards the direction far away from the sleeve 301, so that the function of tensioning the supporting rod 302 is achieved, pretightening force is provided for threads of the supporting rod, thread failure is avoided, the supporting rod 302 is connected with the sleeve 301 through threads, the function of adjusting the length of the second energy consumption assembly 3 can be achieved, the purpose of conveniently assembling the second energy consumption assembly 3 is achieved, the sleeve 301 can be rotated after the second energy consumption assembly 3 is installed and fixed, the sleeve 301 can be made to squeeze the disc spring 310, and accordingly the function of adjusting the tightness degree of the disc spring 310 can be achieved, and the purpose of pretightening the disc spring 310 is achieved.
As shown in fig. 2, further, the top and the bottom of the steel beam 2 are both provided with the second energy dissipation assemblies 3 and are symmetrically arranged, both sides of the concrete column 1 are both provided with the steel beam 2, and both the steel beams 2 are both provided with two second energy dissipation assemblies 3.
Specifically, the second power consumption subassembly 3 supplies to be provided with four, distributes respectively on the upper and lower flange plate of two girder steel 2, and the second power consumption subassembly 3 of upper and lower both sides are the symmetry setting to the second power consumption subassembly 3 of left and right sides is also the symmetry setting, and the second power consumption subassembly 3 that is located the below can provide the supporting role for girder steel 2, shares the partial shearing force on the power consumption angle steel 5, sets up the design of second power consumption subassembly 3 respectively on the upper and lower flange plate of girder steel 2, can also improve the performance of power consumption, reduces the deformation volume of power consumption angle steel 5.
Further, two connecting rods 309 crossing the concrete column 1 are respectively located above and below the steel beam 2, and horizontally arranged, and two ends of the connecting rods are respectively rotatably connected with the supporting rods 302 on the two second energy dissipation assemblies 3.
Further, one end of the support rod 302 extending out of the installation cavity is connected to the connecting rod 309 through the second hinge seat 307, and one end of the slide rod 303 extending out of the installation cavity is rotatably connected to the steel beam 2 through the first hinge seat 306.
The concrete column 1 is provided with two pre-buried holes corresponding to the connecting rod 309, the connecting rod 309 is arranged in the pre-buried holes, the pre-buried holes are extended from two ends of the connecting rod 309, the connecting rod 309 is connected with the hinging seats through means such as threads and nuts, the supporting rod 302 is hinged with the second hinging seats 307, the sliding rod 303 is hinged with the first hinging seats 306, two ends of the connecting rod 309 positioned above are respectively connected with two second hinging seats 307 on two second energy dissipation assemblies 3 positioned above the steel beam 2, and two end sides of the connecting rod 309 positioned below are connected with two first hinging seats 306 positioned below.
Further, a connecting plate 4 is arranged at the end part of the steel beam 2, a clamping groove 101 matched with the connecting plate 4 is formed in the side surface of the concrete column 1, the connecting plate 4 is arranged in the clamping groove 101, and the connecting plate 4 is connected with the steel beam 2 through the energy consumption angle steel 5;
the two connecting plates 4 are arranged and positioned on two sides of the concrete column 1, and two ends of the two connecting plates 4 are detachably connected through a transverse bar 8 respectively.
Further, the two connecting plates 4 and the cross bars 8 together form a hollow structure, the concrete column 1 is arranged in the middle part of the hollow structure, and the side surface of the concrete column 1 is provided with a groove 102 matched with the cross bars 8.
As shown in fig. 2, 5 and 6, the connecting plate 4 and the cross bar 8 together form a hollow 'back' structure, the concrete column 1 is wrapped, the cross bar 8 is clamped in the groove 102 by clamping the connecting plate 4 in the clamping groove 101, and the positions of the connecting plate 4 and the cross bar 8 are restrained in the vertical direction, so that the connecting plate is tightly connected with the concrete column 1 and has a stable structure.
In addition, all be provided with the power consumption angle steel 5 on the flange board of the upper and lower both sides of two girder steel 2, connect through screw rod 504 between the power consumption angle steel 5 of same altitude, screw rod 504 level sets up, and pass concrete column 1, the power consumption angle steel 5 of both sides is connected through means such as screw thread, nut, thereby realize the purpose that power consumption angle steel 5 connects on concrete column 1, connecting plate 4 has realized the effect of fixed power consumption angle steel 5, and in the vertical direction, improve the holding power, thereby the shearing force that receives of dispersion power consumption angle steel 5, make the structure of whole mixed node more stable.
As shown in fig. 4, two energy-dissipating angle steels 5 are disposed on the flange plate of the steel beam 2 and on two sides of the web, and the locking screws 502 on the two energy-dissipating angle steels 5 pass through a friction plate 503, and the friction plate 503 is abutted against the energy-dissipating angle steels 5, so that when the steel beam 2 axially displaces along the friction plate, friction is generated between the friction plate 503 and the energy-dissipating angle steels 5, thereby improving friction area, enhancing energy-dissipating performance of the energy-dissipating angle steels 5, and protecting the locking screws 502 from damage.
Further, two opposite sides of the connecting plates 4 are fixedly connected with a plug rod 402 and a pipe sleeve 401 in a distributed mode, the pipe sleeve 401 is sleeved on the plug rod 402, the concrete column 1 is provided with a transverse perforation matched with the pipe sleeve 401, and the pipe sleeve 401 is arranged in the transverse perforation.
As shown in fig. 2 and 5, the pipe sleeve 401 and the insert rod 402 are horizontally arranged, in the vertical direction, the function of supporting the connecting plate 4 is formed, the purpose of dispersing shearing force is achieved, the connecting plate 4 is prevented from damaging the concrete of the clamping groove 101, the positioning function is achieved, the connecting plates 4 and the steel beams 2 on two sides are consistent in height, the pipe sleeve 401 and the insert rod 402 can be arranged in a plurality according to the concrete size and the load of the steel beams 2 and the concrete column 1, and the pipe sleeve 401 and the insert rod 402 are distributed on two sides of the web plate of the steel beams 2 and do not affect the installation of the steel beams 2.
Further, a plurality of square holes are formed in the surface of the pipe sleeve 401 and around the peripheral surface of the pipe sleeve 401, and tensioning mechanisms are arranged in the square holes;
the tensioning mechanism comprises a pressing strip 403, one side of the pressing strip 403 is abutted against the transverse perforation, the other side of the pressing strip is fixedly connected with a plurality of protrusions 405, the protrusions 405 are arranged in blind holes on one side of a sliding strip 404, second elastic pieces abutted against the protrusions 405 are further arranged in the blind holes, square holes extend out of the other side of the sliding strip 404 and are arranged in sliding grooves 406 on the surface of an inserting rod 402, the end of the inserting rod 402 is a wedge-shaped surface, a circle of wedge-shaped surface is arranged around the periphery of the inserting rod 402, and chamfer portions matched with the wedge-shaped surface are respectively arranged at the two ends of one side of the sliding strip 404, which are located in the sliding grooves 406.
As shown in fig. 5 and 7, the square hole is in a rectangular structure, the square hole is distributed in an annular array around the circumferential surface of the pipe sleeve 401, the long length direction is distributed along the axial direction of the pipe sleeve 401, the pressing strip 403 is in a strip structure, the pressing strip 403 extends out of the square hole and is abutted with the transverse perforation, one side of the sliding strip 404 opposite to the pressing strip 403 is located in the square hole, the sliding strip 404, the pressing strip 403 and the square hole can be in interference fit so as to prevent falling, the protrusions 405 are distributed in a plurality of parts along the length direction of the long strip, the second elastic parts can be disc springs, springs and the like, the inserting rod 402 is in a cylinder structure, and the wedge surface of the inserting rod 402 forms a chamfer shape around the end part of the inserting rod, is matched with the chamfer part, and the purpose of pushing the sliding strip 404 to move is achieved.
Since the transverse perforation is prefabricated by a die or is perforated on site in the concrete implementation process, the concrete processing precision is far lower than that of the concrete processing, so that errors exist between the transverse perforation and the pipe sleeve 401 easily, the assembly is not facilitated, or the pipe sleeve 401 cannot form effective support, so that the inner diameter of the transverse perforation needs to be processed to be slightly larger than that of the pipe sleeve 401 in the transverse perforation forming process.
In specific implementation, the pipe sleeve 401 and the connecting plate 4 are assembled, the pipe sleeve 401 is inserted into the transverse perforation, then the inserting rod 402 is inserted, and when the inserting rod 402 is inserted, the wedge-shaped surface at the end of the inserting rod pushes the sliding strip 404 to move towards the direction away from the inserting rod 402, so that the inner wall of the transverse perforation is extruded, meanwhile, the second elastic piece is compressed, so that the tight fit between the pipe sleeve 401 and the transverse perforation can be ensured, and the tensioning mechanism and the inserting rod 402 play a role in tensioning.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present invention should fall within the protection scope of the present invention as defined in the claims without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a from reinforced concrete post-girder steel mixed node that resets, includes girder steel (2) and concrete post (1), girder steel (2) are through power consumption angle steel (5) and prestressing tendons (6) connect concrete post (1), its characterized in that: the concrete column (1) is rotatably connected with the mounting cavity through the connecting rod, a sliding rod (303) is arranged in the mounting cavity, the sliding rod (303) is connected with the mounting cavity through an elastic mechanism and used for extruding the sliding rod (303), and the sliding rod (303) extends out of the mounting cavity and is connected with the steel beam (2);
the steel beam (2) end is provided with connecting plate (4), two connecting plate (4) relative one side distributes fixed connection inserted bar (402) and pipe box (401), pipe box (401) cover is established on inserted bar (402), concrete column (1) be provided with the horizontal perforation of pipe box (401) adaptation, pipe box (401) set up in the horizontal perforation.
2. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 1, wherein: the elastic mechanism comprises a spring (304) sleeved on the sliding rod (303), a limiting part matched with the installation cavity is arranged at the end part of the sliding rod (303), one end of the spring (304) is abutted against the limiting part, the other end of the spring is abutted against the cover plate (305), and the cover plate (305) is detachably connected with the opening of the installation cavity;
the device further comprises a disc spring (310), wherein the disc spring (310) is arranged between the end face of the limiting part and the inner wall of the mounting cavity.
3. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 1, wherein: the sleeve (301) is connected with the supporting rod (302) through threads, and an elastic piece (308) is arranged between the end part of the sleeve (301) and the installation cavity.
4. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 1, wherein: the top and the bottom of girder steel (2) all are provided with second power consumption subassembly (3), and are the symmetry setting, both sides of concrete column (1) all are provided with girder steel (2), and two all be provided with on girder steel (2) two second power consumption subassembly (3).
5. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 4, wherein: the device also comprises two connecting rods (309) which are transversely arranged on the concrete column (1), are respectively positioned above and below the steel beam (2), are horizontally arranged, and are respectively rotatably connected with the two support rods (302) on the two second energy consumption components (3) at two ends.
6. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 5, wherein: one end of the supporting rod (302) extending out of the installation cavity is connected with the connecting rod (309) through a second hinging seat (307), and one end of the sliding rod (303) extending out of the installation cavity is rotatably connected with the steel beam (2) through a first hinging seat (306).
7. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 1, wherein: the end part of the steel beam (2) is provided with a connecting plate (4), the side surface of the concrete column (1) is provided with a clamping groove (101) which is matched with the connecting plate (4), the connecting plate (4) is arranged in the clamping groove (101), and the connecting plate (4) is connected with the steel beam (2) through the energy-consumption angle steel (5);
the two connecting plates (4) are arranged on two sides of the concrete column (1), and two ends of the two connecting plates (4) are detachably connected through the transverse bars (8) respectively.
8. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 7, wherein: the two connecting plates (4) and the cross bars (8) form a hollow structure together, the concrete column (1) is arranged in the middle part of the hollow structure, and grooves (102) matched with the cross bars (8) are formed in the side surfaces of the concrete column (1).
9. The self-righting reinforced concrete column-steel beam hybrid joint according to claim 1, wherein: the surface of the pipe sleeve (401) is provided with a plurality of square holes, the square holes are arranged around the peripheral surface of the pipe sleeve (401), and tensioning mechanisms are arranged in the square holes;
the tensioning mechanism comprises a pressing strip (403), one side of the pressing strip (403) is abutted against the transverse perforation, the other side of the pressing strip is fixedly connected with a plurality of protrusions (405), the protrusions (405) are arranged in blind holes on one side of a sliding strip (404), second elastic pieces abutted against the protrusions (405) are further arranged in the blind holes, the other side of the sliding strip (404) extends out of the square holes and is arranged in a sliding groove (406) on the surface of the inserting rod (402), the end part of the inserting rod (402) is a wedge-shaped surface, the periphery of the inserting rod (402) is provided with a circle, and the two ends of one side of the sliding strip (404) located in the sliding groove (406) are respectively provided with a chamfer part matched with the wedge-shaped surface.
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