CN211548169U

CN211548169U - Hoop friction damper capable of resetting nodes automatically

Info

Publication number: CN211548169U
Application number: CN201922337429.0U
Authority: CN
Inventors: 米晨阳; 张锡成
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 can be from restoring to throne node friction damper of hoop, including upper and lower tooth piece, outer tooth piece, area hoop tooth piece and hoop, be equipped with the interlock tooth at upper and lower tooth piece surface, it has the interlock tooth to correspond on outer tooth piece and the area hoop tooth piece internal surface, and area hoop tooth piece docks outer tooth piece for enclosing frame hoop board, and rethread bolt and nut screws up with hoop cover on outer tooth piece and area hoop tooth piece, with upper and lower tooth piece butt joint to and outer tooth piece and area hoop tooth piece interlock and superpose together. The utility model discloses the device is at the during operation, and upper and lower tooth piece atress converts the power of vertical direction into the power of horizontal direction through the interlock tooth, makes outer tooth piece and the outside motion of area hoop tooth piece, extrudees the hoop, and then extrudees belleville spring, makes belleville spring produce the restoring force, converts into vertical power through the interlock tooth. The friction surfaces are many, the energy consumption capability is strong, and the energy-saving device is particularly suitable for high-rise structures.

Description

Hoop friction damper capable of resetting nodes 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

The self-resetting structure system is the latest research direction in the field of buildings, the damage of a main body structure can be effectively reduced or avoided by arranging the self-resetting device in the building, the earthquake energy can be effectively dissipated, the earthquake effect is reduced, the most obvious effect is that the residual deformation of the structure can be obviously reduced, and the post-earthquake repair cost and the indirect economic loss thereof are greatly reduced.

In the self-resetting field of buildings, the self-resetting effect of the whole structure is usually achieved by arranging self-resetting friction dampers at nodes. At present, prestress steel bars or bolts are usually applied in a bolt tightening mode, holes are formed in the components, and the prestress steel bars or the bolts are arranged at the positions of the holes, so that the effective contact area of the self-resetting device is reduced, and the self-resetting effect and the energy consumption capability are influenced.

There is a need for a self-resetting friction damper that avoids the need for openings in the friction surfaces.

SUMMERY OF THE UTILITY MODEL

Recognizing the above difficulty of the conventional sliding friction device, the present invention aims to provide a novel friction joint, which makes the model tightly connected through the hoop, and connects the members as a whole, thereby effectively avoiding the contact surface loss caused by the opening of the contact surface. When the structure is vibrated, the whole body is reset to consume vibration energy. When the structure is stressed, each part of the stress transmission component is uniformly and jointly acted, and the structure is more efficient. 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 an embodiment of the present invention, the present invention provides a hoop capable of self-resetting

Position node friction damper, including upper and lower tooth piece, outer tooth piece, area hoop tooth piece and hoop, be equipped with the interlock tooth at upper and lower tooth piece surface, it has the interlock tooth to correspond on outer tooth piece and the area hoop tooth piece internal surface, and area hoop tooth piece docks outer tooth piece for enclosing frame shape hoop board, and the rethread bolt and nut is screwed up and is overlapped the hoop on outer tooth piece and area hoop tooth piece, will go up, lower tooth piece butt joint to with outer tooth piece and area hoop tooth piece interlock and fold together.

In the scheme, the upper fixing block and the lower fixing block are connected at the butt joint part in a clamping groove mode.

In the scheme, the band-shaped tooth block comprises a tooth block with meshing teeth on the inner surface, a hoop is arranged at the upper part of the tooth block, and the width of an inner frame of the hoop corresponds to that of the outer tooth block.

In the above scheme, the outer end faces of the upper tooth block and the lower tooth block are provided with bulges connected with the connecting device, and the connecting device is connected with a building.

In the scheme, the cross section of the meshing teeth is triangular or rectangular, and the tooth space of the meshing teeth on the outer tooth block and the belt hoop tooth block is correspondingly the same as the tooth space of the upper tooth block and the lower tooth block and has the same cross section shape.

In the scheme, the open end of the hoop is provided with a bolt through hole, the disc spring is padded between the nut and the open end of the hoop, the contact end of the disc spring and the end face of the hoop is a large-diameter opening, and adjacent disc springs are mutually buckled and butted.

The utility model has the advantages that:

the utility model can be used as a stress unit of building function; when the member is stressed unevenly or under small stress, the member acts as a whole, and the force applied to the member is diffused to each bearing part of the member, so that the member acts more efficiently. When the building is vibrated, the member is continuously stressed, the member plays a role as a whole to perform self-resetting, and further the energy of vibration is consumed; 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 tooth block; 2. a lower tooth block; 3. an outer tooth block; 4. a block with a hoop tooth; 5. a nut; 6. a disc spring; 7. a bolt; 8. and (4) a hoop.

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 can be from restoring to throne node friction damper of hoop mainly comprises last tooth piece 1, lower tooth piece 2, external tooth piece 3, area hoop tooth piece 4, nut 5, belleville spring 6, bolt 7 and hoop 8. Be equipped with the interlock tooth on

last tooth piece

1 and 2 surfaces of lower tooth piece, it has the interlock tooth to correspond on outer tooth piece 3 and the 4 internal surfaces of area hoop tooth piece, area hoop tooth piece 4 docks outer tooth piece 3 for enclosing frame shape hoop, 8 covers on outer tooth piece 3 and area hoop tooth piece 4 of rethread hoop, with upper and

lower tooth piece

1, 2 docks, and with outer tooth piece 3 and the interlock of area hoop tooth piece 4 and fold together, screw up 8 fixed connection with hoop through bolt 7 nut 6, for the whole restraint that provides of model.

As shown in fig. 1 and 2, the open end of the hoop 8 is provided with a through hole of a bolt 7, a disc spring 5 is padded between the open end of the nut 6 and the open end of the hoop 8 and fixed by the bolt 7, a plurality of disc springs 5 are padded on the outer end face of the hoop 8 respectively, the end faces of the disc springs and the end face of the hoop 8 are large-diameter openings, adjacent disc springs 5 are buckled and butted with each other, 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 between the meshing teeth on the outer tooth block 3 and the belt hoop tooth block 4 is the same as the tooth space between the upper tooth block 1 and the lower tooth block 2, 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 a collar 8 with bolts 7 to ensure that the mould does not move beyond the limits.

The upper tooth block 1 and the lower tooth block 2 are both made of channel steel, and devices are arranged on the upper side end face and the lower side end face of the upper tooth block 1 and the lower tooth block 2 and are connected with other components.

Fig. 3 shows a partial schematic view of a bolt and a hoop of the device, as shown in the figure, a bolt with a moderate length is symmetrically provided with four disc springs 6 and two nuts 5, the distance between the left disc spring 6 and the right disc spring 6 is the distance occupied by the hoop 8, the nuts 5 are arranged on the disc springs 6, so that the disc springs 6 cannot move upwards, when a component is stressed, the hoop 8 is extruded, the hoop 8 extrudes the disc springs 6 from the upper part, 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 hoop 8 and is placed in a buckled mode on two sides, when the component is stressed and the upper tooth block 1 moves upwards and the lower tooth block 2 moves downwards, the disc spring 6 is squeezed between the tooth blocks 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 blocks of the device, as shown in the figure, the upper and

lower tooth blocks

1 and 2 are aligned up and down, a slot type butt joint can be adopted, three outer tooth blocks 3 are butted into a frame shape through a belt hoop tooth block 4, the belt hoop tooth block 4 and the three outer tooth blocks 3 are placed outside the upper and lower tooth blocks, and the engaging teeth at the surfaces of the upper and

lower tooth blocks

1 and 2 are aligned. The upper side surface of the upper tooth block and the lower tooth block is connected with a device connected with a building. When the force is applied, the upper tooth block and the lower tooth block are mutually dislocated, and the outer tooth block 3 and the band tooth block 4 move outwards under the action of the meshing teeth to extrude the hoop 8 and further extrude the belleville spring 5. The band tooth block 4 is provided with a hoop, and the size of the hoop limits the maximum moving distance of the tooth block.

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 when the device is 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 the device is at the during operation, goes up tooth piece and lower tooth piece atress, takes place the reciprocal motion, converts the power of vertical direction into the power of horizontal direction through the interlock tooth, makes outer tooth piece and the outside motion of area hoop tooth piece, extrudes the hoop, and then extrudees belleville spring, makes belleville spring produce the restoring force, acts on the hoop, converts into vertical power 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

1. The utility model provides a can be from restoring to throne node friction damper of hoop which characterized in that, includes upper and lower tooth piece, outer tooth piece, area hoop tooth piece and hoop, is equipped with the interlock tooth at upper and lower tooth piece surface, and outer tooth piece and area hoop tooth piece internal surface are corresponding to have the interlock tooth, and area hoop tooth piece docks outer tooth piece for enclosing frame shape hoop board, and the rethread bolt and nut screws up with hoop cover on outer tooth piece and area hoop tooth piece, with upper and lower tooth piece butt joint to with outer tooth piece and area hoop tooth piece interlock and superpose together.

2. A hoop self-resettable node friction damper as claimed in claim 1, wherein the upper and lower anchor blocks are snap-fit together at their butt joints.

3. A hoop self-resettable node friction damper as claimed in claim 1, wherein the toothed blocks comprise a block having teeth on an inner surface thereof, and a hoop having an inner frame width corresponding to the outer block width and a top portion of the block.

4. A hoop self-resettable node friction damper as claimed in claim 1 wherein the outer end surfaces of the upper and lower tooth blocks are provided with protrusions for engaging with a connector means for attachment to a structure.

5. The hoop self-resettable node friction damper as claimed in claim 1, wherein the cross-section of the teeth is triangular or rectangular, and the teeth of the teeth on the outer blocks and the hoop blocks have the same pitch and cross-sectional shape as the teeth of the upper and lower blocks.

6. The hoop self-resettable node friction damper as claimed in claim 1, wherein the open end of the hoop has a bolt hole therethrough, the disc spring is disposed between the nut and the open end of the hoop, and the contact end of the disc spring and the end surface of the hoop has a large diameter, and adjacent disc springs are engaged and abutted with each other.