CN211690868U - Bidirectional hoop friction damper capable of resetting node automatically - Google Patents

Abstract

The utility model discloses a two-way hoop can be from restoring to throne node friction damper, including upper and lower fixed block and left and right outer hoop board, at upper and lower fixed block surface be equipped with the interlock tooth, have in left and right outer hoop inboard with upper and lower fixed block on corresponding interlock tooth, crisscross a pair of left outer hoop board and last fixed block, a pair of right outer hoop board and the lower fixed block of running through about respectively through the bolt, have belleville spring's nut through the pad to connect, will upper and lower fixed block dock from top to bottom to its periphery and a pair of left and right outer hoop board interlock and superpose together. The structure resets the dislocated 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.

Description

Bidirectional hoop friction damper capable of resetting node automatically

Technical Field

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

Background

After the building structure encounters strong earthquake action, large residual deformation can be generated, and correction and repair are needed after the earthquake, so that great manpower and financial waste is caused. Reducing the seismic response of the structure under the action of an earthquake and enabling the structure to generate self-resetting are main means for solving the residual deformation of the structure.

In the field of self-resetting of buildings, the use of components for self-resetting of structures is currently the most popular way. The self-resetting member is complex in stress due to extremely complex stress in a building structure, and the traditional self-resetting member is provided with self-resetting force by a prestressed inhaul cable, so that when the member is subjected to complex stress, the member is usually damaged due to instability of the member, the self-resetting member cannot take effect, and the self-resetting of a building is influenced.

In order to deal with the problem that the self-resetting member is damaged under complex stress, the traditional mode often adopts a plurality of self-resetting members to deal with different stresses, which causes great waste.

There is a need for a robust self-resetting member that can handle complex forces.

SUMMERY OF THE UTILITY MODEL

Recognizing the above difficulties of conventional sliding friction devices, it is an object of the present invention to provide a novel stable multidirectional friction joint, wherein the component of the bidirectional hooped friction joint can act under tension or compression, and provides a member for dissipating energy through friction for the structure, and the structure can continuously dissipate energy when being vibrated, and can stably provide guarantee for subsequent use under the bidirectional hooped environment. The structure is still kept stable under the action of tensile force and pressure, and plays an important role. 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 two-way hoop can be from reset node friction damper, including upper and lower fixed block and left and right outer hoop board, at upper and lower fixed block surface be equipped with the interlock tooth, have in left and right outer hoop inboard with upper and lower corresponding interlock tooth on the fixed block, crisscross a pair of left outer hoop board and last fixed block, a pair of right outer hoop board and lower fixed block of running through about the bolt respectively, have belleville spring's nut through the pad to connect, will be upper and lower fixed block dock from top to bottom to its periphery and a pair of left and right outer hoop board interlock and superpose together.

In the above solution, the cross section of the engaging tooth may be triangular or rectangular.

In the above scheme, the upper and lower fixing blocks are respectively provided with a groove and a protrusion at the butt joint, and are connected by a clamping groove.

In the scheme, the plurality of disc springs are respectively padded between the nut and the pair of left outer hoop plates and the pair of right outer hoop plates, and the adjacent disc springs are mutually buckled and butted.

In the scheme, the tooth space of the meshing teeth on the left and right outer hoop plates is correspondingly the same as the tooth space on the upper and lower fixing blocks, and the cross section shapes are the same.

In the above scheme, the bolt through holes formed in the upper and lower fixing blocks are oblong holes in the height direction, and the bolt through holes formed in the pair of left and right outer hoop plates are circular holes concentric with the bolt.

In the scheme, the bolts penetrate through the left outer hoop plates and the upper fixing block and the right outer hoop plates and the lower fixing block in a vertically staggered mode to form cross distribution.

The utility model has the advantages that:

the utility model can be installed in the structure as a structural component unit, and provides rigidity as a part of the structure when the structure is not affected by disasters; when the vibration comes, the energy can be consumed as a tension or pressure-bearing member, and after the vibration is finished, the self-resetting is provided for the structure; the structure is stable, and the structure can still play a role under the action of tension and pressure without changing; 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 partial structural view of a component;

fig. 4 is a schematic view of a partial occlusal tooth structure of a member.

The reference numerals in the drawings denote: 1. an upper fixed block; 2. a lower fixed block; 3. a left outer band plate; 4. a right outer band plate; 5. a nut; 6. a disc spring; 7. and (4) bolts.

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 two-way hoop can be from restoring to throne node friction damper mainly by last fixed block 1, lower fixed block 2, the outer hoop board 3 in a left side, the outer hoop board 4 in the right side, nut 5, belleville spring 6 and bolt 7 constitute. The outer surfaces of the upper fixing block 1 and the lower fixing block 2 are provided with meshing teeth, a pair of left outer hoop plates 3 and a pair of right outer hoop plates 4 which are symmetrically distributed are fixed along the peripheries of the upper fixing block 1 and the lower fixing block 2, the inner sides of the left outer hoop plates 3 and the right outer hoop plates 4 are provided with corresponding meshing teeth on the upper fixing block 1 and the lower fixing block 2, a pair of left outer hoop plates 3 and the upper fixing block 1, a pair of right outer hoop plates 4 and the lower fixing block 2 are respectively penetrated through the left outer hoop plates 3 and the upper fixing block 1, the right outer hoop plates 4 and the lower fixing block 2 in a vertically staggered mode through bolts 7, a disc spring 6 is padded between a pair of nuts 5, the upper fixing block 1 and the lower fixing block 2 are in vertically butted through screwing of the nuts 5, the upper fixing block 3 and the right outer hoop plates 3 and the left outer hoop.

As shown in fig. 1 and 2, the cross-section of the engaging teeth may be triangular or rectangular. The upper fixing block 1 and the lower fixing block 2 are respectively provided with a groove and a bulge at the butt joint position, so that the clamping groove type connection is facilitated.

A plurality of disc springs 6 are respectively padded between the nuts 5, and adjacent disc springs are mutually buckled and butted.

The tooth spacing of the meshing teeth on the left outer hoop plate 3 and the right outer hoop plate 4 is the same as the tooth spacing on the upper fixing block 1 and the lower fixing block 2, and the cross section shape is the same. The nut 5 is placed on the belleville springs 5 and the nut 5 is secured to the mold with bolts 7 to ensure that the mold does not move beyond limits.

The upper fixing block 1 and the lower fixing block 2 are both made of channel steel, bolt through holes formed in the upper fixing block 1 and the lower fixing block 2 are long round holes in the height direction, and screw holes for penetrating bolts are larger than the outer diameter of the bolts, so that the upper fixing block 1 and the lower fixing block 2 have moving spaces. The bolt through holes formed in the left outer hoop plate 3 and the right outer hoop plate 4 are concentric round holes with bolts, and devices are arranged on the upper side end face and the lower side end face of the upper fixing block 1 and the lower fixing block 2 and connected with other components.

Fig. 3 shows a partial schematic view of a bolt of the device, as shown in the figure, sixteen disc springs 6 and four nuts 5 are symmetrically arranged on a bolt with a moderate length, the distance between the left disc spring 6 and the right disc spring 6 is the distance occupied by the fixed block, the nuts 5 are arranged on the disc springs 6, so that the disc springs 6 cannot move upwards, and when a component is stressed, the disc springs 6 are extruded from the upper part, so that the disc springs 6 generate downward restoring force, and the component is enabled to be self-restored. The disc spring 6 is placed between the nut 5 and the fixed block and is buckled on two sides, when the component is stressed to move upwards on the upper fixed block 1 and move downwards on the lower fixed block 2, the disc spring 6 is squeezed between the tooth block and the nut 5, and the disc spring 6 deforms, so that restoring force is provided, and the component is enabled to be self-restored. The vertical distance of the four disc springs 6 which can be extruded and changed is smaller than the movable distance of the meshing teeth.

Fig. 4 shows a partial schematic view of the engaging teeth at the tooth block of the device, as shown in the figure, the upper and lower fixing blocks 1 and 2 are aligned, the pair of left and right outer hoop plates 3 and 4 are placed outside the upper and lower fixing blocks, and the engaging teeth are aligned. The upper and lower fixed blocks are connected with the building through devices. When the stress is applied, the upper fixing block and the lower fixing block are mutually dislocated, the left outer hoop plate 3 and the right outer hoop plate 4 move outwards under the action of the meshing teeth to extrude the belleville spring 5, and the holes in the fixing block 2 under the upper fixing block 1 are larger than the holes in the left outer hoop plate 3 and the right outer hoop plate 4, so that the upper fixing block and the lower fixing block can be mutually dislocated when the stress is applied.

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, go up tooth piece and tooth piece atress down, take place the motion each other, through the interlock tooth with the power conversion of vertical direction for the power of horizontal direction, make outer tooth piece and outer tooth piece outward motion down, extrude belleville spring, make belleville spring produce the restoring force, act on outer tooth piece about on, convert vertical power into through the interlock tooth.

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 (7)

1. A friction damper with a bidirectional hoop and capable of automatically resetting a node is characterized by comprising an upper fixing block, a lower fixing block, a left outer hoop plate and a right outer hoop plate, wherein the outer surfaces of the upper fixing block and the lower fixing block are provided with meshing teeth, the inner sides of the left outer hoop plate and the right outer hoop plate are provided with corresponding meshing teeth on the upper fixing block and the lower fixing block, a pair of left outer hoop plate and the upper fixing block, a pair of right outer hoop plate and the lower fixing block are respectively penetrated through the left outer hoop plate and the upper fixing block and the right outer hoop plate in a vertically staggered mode through bolts, the upper fixing block and the lower fixing block are connected through nuts with belleville springs in a cushioning mode.

2. The self-resettable node friction damper of a two-way hoop of claim 1, wherein the cross-section of the meshing teeth may be triangular or rectangular.

3. The self-resettable node friction damper of a two-way hoop of claim 1, wherein the upper and lower anchor blocks are snap-fit together at their butt joints.

4. The self-resettable node friction damper of a two-way clamp of claim 1, wherein the plurality of disc springs are respectively interposed between the nut and the pair of left and right outer clamp plates, and adjacent disc springs are snap-fit to each other.

5. The self-resettable node friction damper of a two-way hoop of claim 1, wherein the teeth spacing of the engaging teeth of the left and right outer hoop plates and the teeth spacing of the upper and lower fixing blocks are the same and have the same cross-sectional shape.

6. The self-resettable node friction damper of a two-way hoop of claim 1, wherein the bolt through holes formed in the upper and lower fixing blocks are oblong holes along the height direction, and the bolt through holes formed in the pair of left and right outer hoop plates are concentric circular holes with the bolt.

7. The self-resettable node friction damper of a two-way hoop of claim 1, wherein the bolts are staggered up and down through the left and upper straps and the right and lower straps to form a cross-shaped distribution.

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