CN211548171U

CN211548171U - Hybrid self-resetting node friction damper

Info

Publication number: CN211548171U
Application number: CN201922337679.4U
Authority: CN
Inventors: 米晨阳; 张锡成; 胡成明; 韩乙楠
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-22
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a hybrid can be from reset node friction damper, including upper and lower crossbeam and left and right crossbeam, left and right crossbeam level is placed, and it has the rubber body to fill up between it, is equipped with the interlock tooth respectively on left and right crossbeam upper and lower surface, and upper and lower crossbeam internal surface corresponds and is equipped with the interlock tooth, runs through each crossbeam through the bolt, with left and right crossbeam interlock and superpose together to connect through the nut behind the saucer-shaped spring. The utility model discloses a structure provides the component of the comprehensive power consumption who gives first place to through the friction, satisfies the rigidity and the power consumption demand of structure, dissipates the external force that the structure received and provides certain rigidity for the structure through the form of running friction. The rigidity is provided when the structure does not vibrate, and energy consumption is provided for the structure when the structure vibrates.

Description

Hybrid self-resetting node friction damper

Technical Field

The utility model belongs to building reinforcement repair field such as antidetonation, modern timber structure, steel construction, ancient building timber structure is applicable to the building and the structure that adopt semi-rigid node and pin joint, and in particular to hybrid can be from restoring to throne node friction damper.

Background

In modern buildings and structures, nodes are extremely important, strong and weak columns are the consensus of the building industry, but under the strong action of earthquake, the buildings are still easy to damage, most of the nodes are damaged and dislocated, and beam columns still keep a whole, so that the dislocation repair of the buildings after the earthquake is a great expense.

The self-resetting technology of the building is a popular method for solving the dislocation of the building at present, a self-resetting device is installed at a node of the building, and the self-resetting is carried out when the node is dislocated. The common technique for providing automatic repositioning is to use post-tensioned tendons, which has one major drawback: approximately 30% (and in some cases even more) of the prestress loss may occur during the useful life of the structure, which may reduce the efficiency of the 20% system. To reduce the overall force loss, the rebar needs to be re-stressed.

Therefore, a new device is designed to reduce the prestress loss.

SUMMERY OF THE UTILITY MODEL

Recognizing the above difficulty of the conventional sliding friction device, an object of the present invention is to provide a novel friction joint, wherein the components form a radial arrangement mode of self-centering behavior, thereby realizing a vibration damping and overall compact device, providing a comprehensive energy-consuming member mainly through friction for the structure, satisfying the rigidity and energy-consuming requirements of the structure, and providing a guarantee for subsequent use. A device that dissipates external forces to which the structure is subjected and provides a degree of rigidity to the structure by way of rotational friction. The rigidity is provided when the structure does not vibrate, and energy consumption is provided for the structure when the structure vibrates.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

according to the utility model provides an embodiment, the utility model provides a hybrid can be from restoring to throne node friction damper, including upper and lower crossbeam and left and right crossbeam, left and right crossbeam level is placed, and it has the rubber body to fill up between it, is equipped with the interlock tooth respectively on left and right crossbeam upper and lower surface, and upper and lower crossbeam internal surface corresponds and is equipped with the interlock tooth, runs through each crossbeam through the bolt, with left and right crossbeam interlock and fold together to connect through the nut behind the saucer-shaped spring.

To above-mentioned technical scheme, the utility model discloses still further preferred scheme.

Preferably, the upper and lower beams and the left and right beams through which the bolts penetrate are provided with screw holes.

Preferably, the tooth space between the meshing teeth on the left and right cross beams is larger than the tooth space between the meshing teeth on the upper and lower cross beams.

Preferably, the cross section of the meshing tooth is triangular or rectangular.

Preferably, the outer side end faces of the left and right cross members are provided with small holes for connecting with other members.

Preferably, the plurality of disc springs are respectively padded on the upper end surface and the lower end surface of the upper cross beam and the lower cross beam, contact ends of the disc springs and the end surfaces of the upper cross beam and the lower cross beam are large-diameter openings, and adjacent disc springs are mutually buckled and butted.

The utility model has the advantages that:

the utility model can be installed in the structure as a partition unit of the building function, has the capability of dissipating the vibration energy introduced by earthquake action and wind load, protecting the main bearing components, and resetting the staggered structure after earthquake or other disasters; the energy dissipation and shock absorption device can be used as an energy dissipation and shock absorption device to be installed in an existing structure, so that the shock resistance of the existing structure is improved; the friction surfaces are many, the energy consumption capability is strong, and the energy-saving device is particularly suitable for high-rise structures.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is an exploded view of the components in their entirety;

FIG. 2 is a schematic view of the components after installation;

FIG. 3 is a side view of FIG. 2

FIG. 4 is a partial structural view of a component;

fig. 5 is a schematic view of a partial occlusal tooth structure of a member.

The reference numerals in the drawings denote: 1. a lower cross beam; 2. an upper cross beam; 3. a left cross beam; 4. a right cross member; 5. a disc spring; 6. a nut; 7. a bolt; 8. a rubber body.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.

Fig. 1 is an overall exploded view of the components of the device, and as shown in fig. 1, the relative position relationship of the components can be clearly understood. Fig. 2 shows a schematic view of the device after installation, i.e. as shown in fig. 2. The utility model discloses a hybrid can be from restoring to throne node friction damper mainly comprises bottom end rail 1, entablature 2, left side crossbeam 3, right side crossbeam 4, belleville spring 5, nut 6, bolt 7 and the rubber body 8. Wherein, left crossbeam 3 and right crossbeam 4 level are placed, have cushioned the rubber body 8 between it, are equipped with the interlock tooth on left crossbeam 3 and right crossbeam 4 upper and lower surface, and it has the interlock tooth to correspond on upper crossbeam 2 and the 1 internal surface of bottom end rail, run through upper crossbeam 2, bottom end rail 1, left crossbeam 3 and right crossbeam 4 through bolt 7, with left and

right crossbeam

3, 4 interlock and the pile together, screw up with nut 6, fixed connection, for the whole restraint that provides of model.

As shown in fig. 3 and 4, disc springs 5 are padded between nuts 6 and the upper cross beam 2 and the lower cross beam 1 and fixed by bolts, a plurality of disc springs 5 are padded on the upper end surface and the lower end surface of the upper cross beam 2 and the lower cross beam 1 respectively, contact ends with the end surfaces of the upper cross beam 2 and the lower cross beam 1 are large-diameter openings, adjacent disc springs 5 are mutually buckled and butted, restoring force is provided for a model through the disc springs 5, and self-resetting is ensured; the vertical force is converted into the transverse force through the meshing teeth, the cross sections of the meshing teeth can be triangular or rectangular, and the cross section of the meshing teeth is triangular in the embodiment. The tooth space of the meshing teeth on the left and

right cross beams

3 and 4 is the same as the tooth space of the upper and

lower cross beams

2 and 1 correspondingly, and the cross section shape is the same. A nut 6 is placed over the belleville springs 5 and the nut 6 is secured to the mold with bolts 7 to ensure that the mold does not move beyond limits.

Left side crossbeam 3 and right crossbeam 4 all adopt the channel-section steel preparation to form for the screw of through bolt 7 is greater than the bolt external diameter, makes left side crossbeam 3 have the removal space, and it has the osculum to be connected with other parts to open at the outside terminal surface of left side crossbeam 3 and right crossbeam 4.

The rubber body 8 is arranged between the left cross beam 3 and the right cross beam 4 and provides restoring force when the left cross beam 3 and the right cross beam 4 are stressed to move mutually.

Fig. 3 is a side view of the device after installation, and as shown in fig. 3, a small opening is formed in the right side face of the left cross beam 3 and is connected with the whole building, so that the components are stressed and play a role.

Fig. 4 shows a partial schematic view of a bolt of the device, as shown in the figure, eight disc springs 5 and two nuts 6 are symmetrically arranged on a bolt with a moderate length, the distance between the upper disc spring 5 and the lower disc spring 5 is the distance occupied by the cross beam, the nuts 6 are arranged on the disc springs 5, so that the disc springs 5 cannot move upwards, and when a component is stressed, the disc springs 5 are extruded from the upper part, so that the disc springs 5 generate downward restoring force, and the component is enabled to be self-restored. The disc spring 5 is placed between the nut 6 and the cross beam and is placed in a buckled mode on two sides, when the component is stressed, the upper cross beam 2 moves upwards, the lower cross beam 1 moves downwards, the disc spring 5 is squeezed between the cross beam and the nut 6, and the disc spring 5 deforms, so that restoring force is provided, and the component is enabled to be self-restored. The vertical distance of the four disc springs 5 which can be extruded and changed is smaller than the movable distance of the meshing teeth.

Fig. 5 shows a partial schematic view of the engagement teeth at the cross beam of the device, as shown, the left and right cross beams are aligned, the upper cross beam 2 is placed on the left and right cross beams, the engagement teeth are aligned, and the lower cross beam is symmetrical to the upper cross beam. The outer side surfaces of the left and right cross beams are provided with small holes which are connected with a building. When the force is applied, the left and right cross beams are mutually dislocated, under the action of the meshing teeth, the upper cross beam 2 moves upwards, the lower cross beam 1 moves downwards, and the disc spring 5 is extruded. The holes on the left cross beam 4 and the right cross beam 3 are larger than the holes on the upper cross beam and the lower cross beam, so that the left cross beam and the right cross beam can be mutually dislocated when being stressed. A rubber body 8 is placed between the left cross beam 4 and the right cross beam 3, and when the left cross beam and the right cross beam are pressed inwards, the rubber body 8 also provides restoring force to enable the components to be self-reset.

The middle of the disc spring 5 is provided with a hollow hole for the bolt 7 to pass through, and the diameter of the hollow hole is the same as that of the bolt.

The utility model discloses during out-of-work, can regard as the building function to cut apart the system and use, can be applied to new building, also can be used to the reinforcement and the transformation of existing building. The utility model discloses at the during operation, left crossbeam and right crossbeam atress take place the interactive mode, convert the power of horizontal direction into the power of vertical direction through the interlock tooth, make bottom end rail downstream, the entablature upwards moves, extrudees belleville spring, makes belleville spring produce the restoring force, acts on above the bottom end rail, converts into the horizontal force through the interlock tooth. The rubber body also generates restoring force when the left and right cross beams are extruded, so that the model has self-resetting capability.

It should be noted that the above mentioned embodiments are only preferred embodiments of the present component, but the protection scope of the present component is not limited thereto, and any modification, decoration, change or replacement which can be easily conceived by those skilled in the art within the technical scope of the present component without departing from the principle of the present component shall be covered by the protection scope of the present component. All the components not specified in the present embodiment can be realized by means of the prior art.

Claims

1. The utility model provides a hybrid can be from restoring to throne node friction damper which characterized in that, includes upper and lower crossbeam and left and right crossbeam, and left and right crossbeam level is placed, has filled up the rubber body between it, is equipped with the interlock tooth respectively on left and right crossbeam upper and lower surface, and upper and lower crossbeam internal surface corresponds and is equipped with the interlock tooth, runs through each crossbeam through the bolt, with left and right crossbeam interlock and superpose together to through the nut behind the saucer-shaped spring.

2. The hybrid self-resettable node friction damper of claim 1, wherein the upper and lower cross members and the left and right cross members through which the bolts extend are provided with threaded holes.

3. The hybrid self-resettable node friction damper of claim 1, wherein the cross-section of the meshing teeth is triangular or rectangular.

4. The hybrid self-resettable node friction damper of claim 3, wherein the teeth on the left and right cross members have the same pitch and cross-sectional shape as the teeth on the upper and lower cross members.

5. The hybrid self-resettable node friction damper as recited in claim 1, wherein the outboard ends of the left and right cross members are provided with apertures for connection to other components.

6. The hybrid self-resettable node friction damper as claimed in claim 1, wherein a plurality of disc springs are respectively mounted on the upper and lower end surfaces of the upper and lower cross members, and the ends thereof contacting the end surfaces of the upper and lower cross members are large diameter openings, and adjacent disc springs are engaged and abutted with each other.