CN210032179U - Shock-absorbing energy-dissipating device for building column top or column bottom - Google Patents

Abstract

The utility model belongs to the technical field of shock absorption and energy dissipation, and discloses a shock absorption and energy dissipation device for the top or bottom of a building column. Each beam is perpendicular to the two uprights, one of the uprights is fixed with a second connection seat, and the second connection seat is fixed with a damper, the end of the damper away from the second connection seat and the center of the top of the crossbar The damper is located on the lower right side of the top beam, the bottom ends of the beam are symmetrically connected with two diagonal support rods, and the utility model is provided with a fan-shaped lead at the haunches of the beam and column. The viscoelastic damper connects the fan-shaped lead viscoelastic damper and the inclined support rod into a whole, and consumes energy through shearing or extrusion deformation of the lead core inside the fan-shaped lead viscoelastic damper and shear deformation of the viscoelastic material. Become the first seismic line of defense to protect the node area.

Description

A shock-absorbing and energy-dissipating device for the top or bottom of a building column

technical field

The utility model belongs to the technical field of shock absorption and energy dissipation, in particular to a shock absorption and energy dissipation device used for the top or bottom of a building column.

Background technique

The basic idea of "energy dissipation and isolation" is to separate the foundation and the upper structure of the building, to isolate the input of seismic energy to the building, and to realize the ground movement while the building is basically stationary during an earthquake, so as to ensure the safety of the building, and to reduce energy consumption and reduce energy consumption. Seismic technology is to design the support, shear wall and other components in the structure as energy-consuming components or install dampers at the nodes or connections of the structure. Under the action of wind load or small earthquake, the energy-consuming rods and dampers In an elastic state, when under the action of a strong earthquake, the energy-dissipating rod or damper first enters an inelastic state, the structure produces greater damping, dissipates a large amount of seismic energy, and prevents the main structure from entering an apparently inelastic state, thereby protecting the main structure. Severe damage in a strong earthquake.

However, the shock-absorbing and energy-dissipating devices at the top or bottom of the building column currently on the market only use dampers and support components to dissipate energy and absorb the beams and columns, but do not perform seismic reinforcement at the connection points of the beams and columns, so that the connection points It is easy to be damaged, and the traditional shock absorption and energy dissipation device at the top or bottom of the column cannot dissipate energy and shock at the connection point of the beam and column, and cannot ensure the stability of the connection point of the beam column.

Utility model content

The purpose of this utility model is to provide a shock-absorbing and energy-dissipating device for the top or bottom of a building column, so as to solve the problem that the connection points of beams and columns are not reinforced for earthquake resistance in the above-mentioned background technology, so that the connection points are easily damaged and damaged. It is also impossible to dissipate energy and earthquakes at the connection points of beams and columns, and it is impossible to ensure the stability of the connection points of beams and columns.

In order to achieve the above purpose, the utility model provides the following technical solutions: a shock absorption and energy dissipation device for the top or bottom of a building column, comprising a beam, two of the beams are connected between two vertical columns, and the two The beams are perpendicular to the two uprights, one of the uprights is fixed with a second connection seat, and the second connection seat is fixed with a damper, the end of the damper away from the second connection seat and the center position of the top of the crossbar The fixed first connecting seat is connected, and the damper is located on the lower right side of the uppermost beam. Two diagonal support rods are symmetrically connected at both ends of the bottom of the cross rod, and the two diagonal support rods are in a figure-eight structure. A fan-shaped lead viscoelastic damper is installed at the junction of the column and the beam, and the fan-shaped lead viscoelastic damper includes a composite elastic body, a first connecting plate and a second connecting plate, and the composite elastic body is located on the first connecting plate and the second connecting plate. Between the connecting plates, and the interior of the composite elastomer is embedded with three cylindrical lead cores, one end of the three cylindrical lead cores is fixed with a cover, the first connecting plate and the second connecting plate are respectively connected to the upright and the column through bolts. Cross beam fixed connection.

Preferably, there are two sector-shaped lead viscoelastic dampers in total, and the two sector-shaped lead viscoelastic dampers are symmetrical about the center line of the beam.

Preferably, the junction of the column and the beam is wrapped with a node reinforcement device, and there are four node reinforcement devices in total, the node reinforcement device is composed of several steel plates, and the node reinforcement device, the column and the beam are all connected by anchor bolts Fixed connection.

Preferably, the node strengthening device has a T-shaped structure, and the interior of the node strengthening device is hollow.

Preferably, the first connecting plate and the second connecting plate are both rectangular steel plates, and both the first connecting plate and the second connecting plate are provided with mounting holes.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) The utility model is provided with a fan-shaped lead viscoelastic damper at the haunches of the beam and column, which connects the fan-shaped lead viscoelastic damper and the inclined support rod into a whole, and generates shear or Extrusion deformation and viscoelastic material produce shear deformation to dissipate energy and become the first anti-seismic defense line to protect the joint area, so as to realize shock absorption and energy dissipation at the underarm joint of beam-column and ensure the stability of beam-column joint. .

(2) The utility model is provided with a node reinforcement device welded by a plurality of steel plates at the connection point of the beam and column, and the shape of the node reinforcement device matches the beam-column node, and the node reinforcement device is anchored to the beam through the anchor bolt. Therefore, the seismic reinforcement of the beam-column node is realized, so that the beam-column node is not easily damaged, and the firmness of the beam-column node is enhanced.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural schematic diagram of the node reinforcement device of the present invention;

3 is a schematic structural diagram of a sector-shaped lead viscoelastic damper of the present invention;

In the figure: 1- oblique support rod; 2-cross rod; 3-beam; 4-first connection seat; 5-damper; 6-node reinforcement device; 61-steel plate; 62-anchor bolt; 7-second connection 8-column; 9-sector lead viscoelastic damper; 91-composite elastomer; 92-first connecting plate; 93-second connecting plate; 94-cylindrical lead core; 95-cover.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1-FIG. 3, the present utility model provides a technical solution: a shock absorption and energy dissipation device for the top or bottom of a building column, including a beam 3, and the two beams 3 are connected to two vertical columns 8, and the two beams 3 are perpendicular to the two uprights 8, a second connection seat 7 is fixed on one of the uprights 8, and a damper 5 is fixed on the second connection seat 7, and the damper 5 is far from the second connection. One end of the seat 7 is connected to the first connecting seat 4 fixed at the top center position of the cross bar 2, and the damper 5 is located on the lower right side of the uppermost cross beam 3. The damper 5 is responsible for shock absorption and energy dissipation of the beam and column. Two diagonal support rods 1 are symmetrically connected at both ends of the bottom of the bottom of 2, and the two diagonal support rods 1 are in a figure-eight structure. The damper 9 includes a composite elastic body 91 , a first connecting plate 92 and a second connecting plate 93 , the composite elastic body 91 is located between the first connecting plate 92 and the second connecting plate 93 , and the interior of the composite elastic body 91 is embedded with three Columnar lead cores 94, one end of the three columnar lead cores 94 is fixed with a cover 95, the columnar lead cores 94 undergo shearing or extrusion deformation to achieve energy dissipation, the first connecting plate 92 and the second connecting plate 93 are respectively connected with the bolts through bolts. The column 8 and the beam 3 are fixedly connected.

Further, there are two sector-shaped lead viscoelastic dampers 9 in total, and the two sector-shaped lead viscoelastic dampers 9 are symmetrical with respect to the center line of the beam 3 .

Specifically, the junction of the column 8 and the beam 3 is wrapped with a node reinforcement device 6, and there are four node reinforcement devices 6 in total. The node reinforcement device 6 is composed of several steel plates 61, and the node reinforcement device 6, the column 8 and the beam 3 are fixedly connected by anchor bolts 62 .

It is worth noting that the node reinforcement device 6 has a T-shaped structure, the T-shaped structure is convenient for installing the node reinforcement device 6 at the node, and the interior of the node reinforcement device 6 is hollow.

Further, the first connecting plate 92 and the second connecting plate 93 are both rectangular steel plates, and both the first connecting plate 92 and the second connecting plate 93 are provided with mounting holes.

The working principle and use process of the utility model: when the utility model is in use, the node reinforcement device 6 is set at the node of the beam 3 and the column 8, and anchored with anchor bolts 62, and the beam-column node is connected to the beam-column node through the node reinforcement device 6. Reinforce, and then connect the two ends of the damper 5 to the first connection seat 4 and the second connection seat 7 respectively. When a large vibration occurs, the damper 5 enters the elastic-plastic state, generating a large damping force, and during the vibration The energy introduced into the structure is converted into the heat energy of the damping medium, which consumes a large amount of vibration energy introduced into the beam-column structure, so as to ensure the safe use of the beam-column structure in moderate and strong earthquakes, so as to realize the shock absorption and energy dissipation of the beam-column, and then The first connecting plate 92 and the second connecting plate 93 on the sector-shaped lead viscoelastic damper 9 are fixed on the upright column 8 and the beam 3 respectively by bolts, and the cylindrical lead core 94 inside the composite elastic body 91 produces shear or extrusion deformation It generates shear deformation with viscoelastic material to dissipate energy, realizes shock absorption and energy dissipation at beam-column joints, and enhances the seismic energy dissipation characteristics of the entire device.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a shock attenuation energy absorber for building capital or column bottom, includes crossbeam (3), two crossbeam (3) are all connected between two stands (8), and two crossbeam (3) are all perpendicular with two stands (8), one of them be fixed with second connecting seat (7) on stand (8), and are fixed with attenuator (5) on second connecting seat (7), the one end that second connecting seat (7) were kept away from in attenuator (5) is connected with first connecting seat (4) that horizontal pole (2) top central point put the department fixed, and attenuator (5) are located the below right side of the top crossbeam (3), the bottom both ends symmetric connection of horizontal pole (2) has two bearing diagonal pole (1), and two bearing diagonal pole (1) are splayed structure, its characterized in that: fan-shaped plumbous viscoelastic damper (9) is installed with handing-over department of crossbeam (3) in stand (8), and fan-shaped plumbous viscoelastic damper (9) include composite elastomer (91), first connecting plate (92) and second connecting plate (93), composite elastomer (91) are located between first connecting plate (92) and second connecting plate (93), and the inside embedding of composite elastomer (91) has three column lead core (94), and is three the one end of column lead core (94) all is fixed with closing cap (95), first connecting plate (92) and second connecting plate (93) pass through the bolt respectively with stand (8) and crossbeam (3) fixed connection.

2. A shock absorbing and energy dissipating device for the top or bottom of a building column as claimed in claim 1, wherein: the two fan-shaped lead viscoelastic dampers (9) are arranged, and the two fan-shaped lead viscoelastic dampers (9) are symmetrical about the central line of the cross beam (3).

3. A shock absorbing and energy dissipating device for the top or bottom of a building column as claimed in claim 1, wherein: the parcel of handing-over department of stand (8) and crossbeam (3) has node reinforcing apparatus (6), and node reinforcing apparatus (6) are provided with four altogether, node reinforcing apparatus (6) comprise a plurality of steel sheet (61), and node reinforcing apparatus (6) all pass through crab-bolt (62) fixed connection with stand (8) and crossbeam (3).

4. A shock absorbing and energy dissipating device for the top or bottom of a building column as claimed in claim 3, wherein: the node reinforcing device (6) is of a T-shaped structure, and the interior of the node reinforcing device (6) is hollow.

5. A shock absorbing and energy dissipating device for the top or bottom of a building column as claimed in claim 1, wherein: the first connecting plate (92) and the second connecting plate (93) are both rectangular steel plates, and mounting holes are formed in the first connecting plate (92) and the second connecting plate (93).

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