CN210947953U - Seismic isolation and reduction system of fabricated building - Google Patents

Abstract

The utility model relates to a shock-absorbing and isolating system for a prefabricated building, comprising an assembly beam, an assembly column and a layer body, as well as a filling wall, beam-column joints, inter-column joints, and a blocking shock-absorbing structure. In the beam-column frame composed of the assembling beam and the assembling column; the beam-column node is arranged between the assembling beam and the assembling column; the inter-column node is arranged between the two assembling columns; the locking damping structure Set between the assembly column and the layer body. The utility model has the advantages of good energy consumption and anti-seismic effect, simple structure and convenient construction.

Description

A shock isolation system for prefabricated buildings

technical field

The utility model relates to the technical field of building structures, in particular to a shock-absorbing system for prefabricated buildings.

Background technique

Industrialized buildings are gradually replacing large-scale on-site buildings at home and abroad, adopting factory prefabrication and assembling in construction workshops, which is the development direction of the construction industry. At present, the main structural form of industrialized buildings is prefabricated concrete structure, that is, the main structural components are prefabricated in the factory, assembled on site, and part of the concrete is poured in place, so that the components are connected to form a whole structure.

my country is a country prone to earthquakes. It is located between the two most active seismic belts in the world, with the Pacific Rim seismic belt in the east and the Eurasian seismic belt in the south. The existing prefabricated buildings have poor seismic isolation capability. When an earthquake occurs, the seismic energy between the beams and columns cannot be consumed in time, and it is easy to cause damage or even damage to the overall structure of the building.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a shock-absorbing and isolating system of a prefabricated building, which has good energy-consumption and seismic-resistance effects, simple structure and convenient construction.

A shock isolation system for a prefabricated building, comprising an assembly beam, an assembly column and a layer body, as well as a filling wall, a beam-column node, a column-to-column node, and a locking damping structure, the filling wall is fixed on the assembly The beam-column joint is arranged between the assembling beam and the assembling column; the inter-column node is arranged between the two assembling columns; the locking damping structure is arranged on the assembling column between the layers.

Further, the infill wall includes a filler, a rubber frame, and a brick-shaped rubber, the size of the filler is matched with the size of the beam-column frame, and a plurality of brick-shaped rubbers are arranged in the filler. The shape and size of the opening are matched, the brick-shaped rubber is fixed in the opening, and the rubber frame is attached to the outer periphery of the filler.

Further, the filler is light brick, masonry or board.

Further, the beam-column node includes a beam end and a plurality of node ends, the node end includes a first embedded part and a first connecting part that are integrally formed, and the first embedded part is embedded in the assembly column. Inside, a U-shaped groove with an upward opening is formed on the first connecting part; the beam end includes a second embedded part and a second connecting part, and the second embedded part is embedded in the assembly beam , the second connecting part is provided with a screw rod corresponding to the U-shaped groove; the screw rod is inserted into the U-shaped groove from top to bottom and fixed by a nut to connect the assembly column and the assembly beam.

Further, the node between the columns includes a first steel pipe, a second steel pipe, positioning bolts, and connecting bolts; the assembly column located below is defined as a lower assembly column, and the assembly column located above is an upper assembly column; the first steel pipe The lower end of the first steel pipe is buried in the lower assembly column, the upper end of the first steel pipe is exposed on the upper end surface of the lower assembly column to form a first connection part, and the lower assembly column is vertically provided with a plurality of positioning bolts around the outer peripheral side of the first steel pipe; The upper end of the second steel pipe is buried in the upper assembly column, the lower end of the second steel pipe is exposed on the lower end surface of the upper assembly column to form a second connection portion, and the lower end of the second connection portion extends outward to form a horizontal support portion. There are positioning holes matched with the positioning bolts; the second connecting part can be sleeved on the outside of the first connecting part, the first connecting part and the second connecting part are provided with connecting holes at corresponding positions, and the connecting bolts pass through Connect the first steel pipe and the second steel pipe through the connecting hole.

Further, the outer peripheral surface of the part where the first steel pipe is embedded in the lower assembly column and the outer peripheral surface of the part where the second steel pipe is embedded in the upper assembly column are provided with a plurality of shear keys.

Further, the locking damping structure includes an upper steel plate fixed on the lower end surface of the assembly column, a lower steel plate fixed on the upper end surface of the layer body, shock absorbing rubber, and a plurality of locking pieces; the shock absorbing The rubber is arranged between the oppositely arranged upper steel plate and the lower steel plate; the plurality of latches are arranged on the outer peripheral sides of the upper steel plate and the lower steel plate, one end is used for connecting with the first layer body, and the other end is used for connecting with the second layer body connect.

Further, the locking member includes a first screw rod, a second screw rod, and a sleeve nut connecting the first screw rod and the second screw rod, and rotating the sleeve nut can make the first screw rod and the second screw rod extend or shorten.

Further, the first screw and the second screw are low-strength brittle screws.

The beneficial effects of the utility model are as follows: 1. The brick-shaped rubber and the rubber frame of the infill wall can deform during an earthquake, absorb seismic energy, and avoid extruding frame beams and frame columns, thereby protecting the building structure.

2. Beam-column joints are provided with node ends and beam ends, which are fixed by nuts. When subjected to external forces such as earthquakes, the nut, the first connecting part and the second connecting part rub against each other, which can dissipate energy and reduce damage to the building. damage.

3. The connection between the columns is convenient and the construction is simple, which can effectively improve the construction efficiency, and the structure is simple, the cost is low, and it is convenient for industrial production.

4. The blocking shock absorption structure is provided with shock absorbing rubber, which is supported by a number of locking pieces. Under normal circumstances, the shock absorbing rubber does not play a role, and the structure has sufficient rigidity, which does not affect the normal use of the building; when a strong earthquake occurs Due to the low-strength and brittle characteristics of the locking member, the locking member breaks first, and the shock-absorbing rubber quickly dissipates the seismic energy and avoids the collapse of the building.

Description of drawings

FIG. 1 is a schematic structural diagram of a shock-absorbing and isolating system of a prefabricated building of the present invention.

FIG. 2 is a schematic structural diagram of the filling wall in FIG. 1 .

FIG. 3 is a schematic structural diagram of the beam-column joint in FIG. 1 .

FIG. 4 is a schematic structural diagram of a node between columns in FIG. 1 .

FIG. 5 is a schematic structural diagram of the latching damping structure in FIG. 1 .

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, according to the description in this document, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments.

As shown in FIG. 1 , in a preferred embodiment, the seismic isolation system of the prefabricated building of the present invention mainly includes an assembly beam 1, an assembly column 2, a layer body 3, a filling wall 4, a beam-column joint 5, an inter-column Node 6 , and locking damping structure 7 . Among them, the filling wall 4 is fixed in the beam-column frame composed of the assembly beam 1 and the assembly column 2; the beam-column node 5 is arranged between the assembly beam 1 and the assembly column 2 for connecting the assembly beam 1 and the assembly column 2; the column The inter-node 6 is arranged between the two assembly columns 2 for connecting the upper and lower assembly columns 2; the locking damping structure 7 is arranged between the assembly column 2 and the layer body 3 for connecting the assembly column 2 and the layer body 3 .

As shown in FIG. 2 , the filling wall 4 includes a filler 41 , a rubber frame 42 , and a brick-shaped rubber 43 . The size of the filler 41 matches the size of the beam-column frame. The filler 41 is provided with a plurality of openings 44 that match the shape and size of the brick-shaped rubber 43. The brick-shaped rubber 43 is fixed in the opening 44, and the rubber frame 42 is fitted. at the outer periphery of the filler 41 . Wherein, the filler 41 can be one of light brick, masonry or board. The infill wall 4 has the function of energy absorption. When subjected to earthquake, the brick-shaped rubber 43 and the rubber frame 42 can deform, absorb the seismic energy, and avoid squeezing the assembly beam 1 and the assembly column 2, thereby protecting the building structure.

As shown in FIG. 3 , the beam-column node 5 includes a node end 51 and a beam end 52 . The node end 51 is made of steel, and includes a first embedded portion 53 and a first connecting portion 54 that are integrally formed. The first embedded part 53 is pre-embedded in the assembly column 2 , and a plurality of shear keys 55 are arranged on the first embedded part 53 , and the shear keys 55 can strengthen the connection between the first embedded part 53 and the assembly column 2 . bite force. The first connecting portion 54 protrudes from the end surface of the assembly column 2 facing the assembly beam 1 , and the first connecting portion 54 is provided with a U-shaped groove 56 with an upward opening.

The beam end 52 includes a second embedded portion 57 and a second connecting portion 58 . The second embedded portion 57 is pre-embedded in the assembly beam 1 , and a plurality of shear keys 55 are provided on the second embedded portion 57 , and the shear keys 55 can strengthen the connection between the second embedded portion 57 and the assembly beam 1 . bite force. The second connecting portion 58 protrudes from the end surface of the assembling beam 1 facing the assembling column 2 . The second connecting portion 58 is welded with a threaded rod 59 corresponding to the U-shaped groove 56 , and a nut for fixing is provided on the threaded rod 59 .

The beam-column node 5 is connected to the assembly beam 1 and the assembly column 2 through the node end 51 and the beam end 52. The node end 51 and the beam end 52 are fixed by a nut. When subjected to external forces such as earthquakes, the nut, the first connection part 53, the second The connection parts 57 rub against each other to dissipate energy and reduce damage to the house.

As shown in FIG. 4 , the inter-column node 6 includes a first steel pipe 61 , a second steel pipe 62 , positioning bolts 63 , and connecting bolts 64 . The first steel pipe 61 has a hollow tubular shape, the lower end of which is pre-embedded in the lower assembly column, and the upper end of the first steel pipe 61 extends vertically from the upper end surface of the lower assembly column to form a first connection portion 65 . A plurality of positioning bolts 63 are vertically embedded in the lower assembly column around the outer peripheral side of the first steel pipe 61 , and the ends of the plurality of positioning bolts 63 protrude from the upper end surface of the lower assembly column.

The second steel pipe 62 is in a hollow tubular shape, the upper end of which is pre-embedded in the upper assembly column, and the lower end of the second steel pipe 62 extends vertically from the lower end surface of the upper assembly column to form a second connection portion 66 . A supporting portion 67 is formed at the lower end of the second connecting portion 66 . The supporting portion 67 is annular and extends horizontally outward from the outer peripheral surface of the second connecting portion 66 . hole.

The outer diameter of the first connecting portion 65 matches the inner diameter of the second connecting portion 66 , so that the second connecting portion 66 can be sleeved on the outside of the first connecting portion 65 . The first connection portion 65 and the second connection portion 66 are provided with connection holes at corresponding positions, and the connection bolts 64 pass through the connection holes to connect the first steel pipe 61 and the second steel pipe 62 .

Referring to FIG. 5 , the locking damping structure 7 includes an upper steel plate 71 , a lower steel plate 72 , a shock-absorbing rubber 73 , and a plurality of locking members 74 . The upper steel plate 71 and the lower steel plate 72 are arranged opposite to each other, the upper steel plate 71 is fixed on the lower end surface of the assembly column 2 by bolts, the lower steel plate 72 is fixed on the upper end surface of the layer body 3 by bolts, and the damping rubber 73 is arranged on the upper steel plate 71 and the lower end surface of the layer body 3 . between the lower steel plates 72 .

The blocking member 74 is provided on the outer peripheral side of the upper steel plate 71 and the lower steel plate 72 , and the blocking member 74 includes a first screw 75 , a second screw 76 , and a sleeve nut 77 connecting the first screw 75 and the second screw 76 . Wherein, the first screw 75 is screwed with the assembly column 2, and the second screw 76 is screwed with the layer body 3, thereby forming a support. Two ends of the sleeve nut 77 are respectively a forward thread and a reverse thread, so that when the sleeve nut 77 is rotated, the first screw rod 75 and the second screw rod 76 can be extended or shortened at the same time. In this embodiment, the first screw 75 and the second screw 76 are preferably low-strength brittle screws.

The specific working principle of the blocking shock-absorbing structure 7 is as follows: the assembly column 2 and the layer body 3 are connected by the blocking member 74, and low-strength cement is poured outside the shock-absorbing structure. In the case of low-intensity earthquakes, typhoons and normal use, the shock-absorbing rubber 73 does not play a role, the structure has sufficient rigidity and does not affect the normal use of the building; when an earthquake with a large intensity occurs, due to the low strength and brittleness of the locking member 74, the locking member 74 breaks first, and the shock-absorbing rubber 73 makes the seismic energy It dissipates quickly, relieves joint stress, and increases joint toughness, thereby avoiding building collapse and casualties.

Although the description of the present invention is carried out in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Accordingly, all such alternatives, modifications and changes are intended to be included within the spirit and scope of the appended claims.

Claims (9)

1. a shock-absorbing system of a prefabricated building, comprising an assembly beam, an assembly column and a layer body, it is characterized in that, also comprises infill wall, beam-column joint, inter-column joint and blocking shock absorption structure, the infill wall Fixed in the beam-column frame composed of the assembling beam and the assembling column; the beam-column node is arranged between the assembling beam and the assembling column; the inter-column node is arranged between the two assembling columns; The seismic structure is arranged between the assembly column and the layer body. 2 . The seismic isolation system of a prefabricated building according to claim 1 , wherein the infill wall comprises filler, rubber frame, and brick-shaped rubber, and the size of the filler is the same as that of the beam-column frame. 3 . The filler is provided with a plurality of openings matching the shape and size of the brick-shaped rubber, the brick-shaped rubber is fixed in the opening, and the rubber frame is fitted on the filler the outer periphery. 3 . The seismic isolation system for prefabricated buildings according to claim 2 , wherein the filler is light brick, masonry or plate. 4 . 4 . The seismic isolation system of a prefabricated building according to claim 1 , wherein the beam-column node comprises a beam end and a plurality of node ends, and the node end comprises an integrally formed first embedded part and a plurality of node ends. 5 . The first connecting part, the first embedded part is embedded in the assembly column, and a U-shaped groove with an opening facing upward is formed on the first connecting part; the beam end includes a second embedded part and a first connecting part; Two connecting parts, the second pre-embedded part is pre-embedded in the assembly beam, and the second connecting part is provided with a screw corresponding to the U-shaped groove; the screw is inserted into the U-shaped groove from top to bottom and passes through the U-shaped groove. A nut is fixed to connect the assembly column and the assembly beam. 5 . The seismic isolation system of a prefabricated building according to claim 1 , wherein the node between the columns comprises a first steel pipe, a second steel pipe, a positioning bolt, and a connecting bolt; the assembly column located below is defined as: 6 . The lower assembly column, the upper assembly column is the upper assembly column; the lower end of the first steel pipe is buried in the lower assembly column, and the upper end of the first steel pipe is exposed on the upper end surface of the lower assembly column to form a first connection portion, and the lower assembly column A plurality of positioning bolts are vertically arranged around the outer peripheral side of the first steel pipe; the upper end of the second steel pipe is embedded in the upper assembly column, and the lower end of the second steel pipe is exposed on the lower end surface of the upper assembly column to form a second connection part, The lower end of the second connection part extends outward to form a horizontal support part, and the support part is provided with positioning holes matched with the positioning bolts; the second connection part can be sleeved on the outside of the first connection part, the first The connecting portion and the second connecting portion are provided with connecting holes at corresponding positions, and the connecting bolts pass through the connecting holes to connect the first steel pipe and the second steel pipe. 6 . The seismic isolation system of a prefabricated building according to claim 5 , wherein the first steel pipe is embedded in the outer peripheral surface of the lower assembly column and the second steel pipe is embedded in the outer periphery of the upper assembly column. 7 . There are multiple shear keys on each surface. 7 . The shock-absorbing system for prefabricated buildings according to claim 1 , wherein the locking shock-absorbing structure comprises an upper steel plate fixed on the lower end surface of the assembly column, and an upper steel plate fixed on the upper part of the layer body. 8 . The lower steel plate on the end face, the damping rubber, and a plurality of blocking pieces; the damping rubber is arranged between the oppositely arranged upper steel plate and the lower steel plate; the plurality of locking pieces are arranged on the outer peripheral sides of the upper and lower steel plates, One end is used for connecting with the first layer body, and the other end is used for connecting with the second layer body. 8 . The shock isolation system for prefabricated buildings according to claim 7 , wherein the locking member comprises a first screw rod, a second screw rod, and a sleeve nut connecting the first screw rod and the second screw rod. 9 . , rotating the sleeve nut can extend or shorten the first screw rod and the second screw rod. 9 . The shock-absorbing and isolating system for a fabricated building according to claim 8 , wherein the first screw and the second screw are low-strength brittle screws. 10 .

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