CN211646814U

CN211646814U - One-way hoop friction damper capable of resetting node automatically

Info

Publication number: CN211646814U
Application number: CN201922337586.1U
Authority: CN
Inventors: 米晨阳; 张锡成; 韩乙楠; 胡成明
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: 2020-10-09
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses an one-way hoop can be from reset node friction damper, including upper and lower tooth piece and left and right tooth piece, be equipped with the interlock tooth at upper and lower tooth piece surface, correspond on the right tooth piece of a pair of frame plate structure and the left tooth piece internal surface and have the interlock tooth, run through the middle part and the tip of a pair of left and right tooth piece and upper and lower tooth piece respectively through the bolt, have belleville spring's nut to connect through the pad, with left and right tooth piece looks lock and upper and lower tooth piece butt joint interlock from top to bottom and superpose together. Through the friction energy-consuming component, the rigidity and energy-consuming requirements of the structure are met, and the follow-up use is guaranteed. 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.

Description

One-way hoop friction damper capable of resetting node automatically

Technical Field

The utility model belongs to building reinforcement repair field such as antidetonation, modern timber structure, steel construction and 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

Most of nodes in modern wood structures, steel structures and ancient building wood structures are connected in a semi-rigid or hinged mode, when strong earthquake action is encountered, the whole structure can generate unrecoverable permanent residual deformation due to the fact that the nodes are small in rigidity, energy consumption capacity and self-resetting capacity are poor, and the self-resetting energy consumption damper capable of being arranged at the nodes is urgently needed to be provided.

The self-resetting technology of the building industry in China is greatly developed, but the traditional self-resetting component can only bear tension or pressure simply, cannot bear the tension and the pressure simultaneously, and is difficult to deal with the complex stress condition of the structure in service; meanwhile, most of the conventional self-resetting members use a cable to provide prestress, so that the installation process of the self-resetting damper is very complicated.

In the face of members needing tensile force and pressure at the same time, the construction field usually adopts a method of installing a plurality of members to face different stresses, and only the installation time can be increased for a complicated installation process.

There is therefore a need for a self-resetting device that can simultaneously handle tensile and compressive forces and is simple to install.

SUMMERY OF THE UTILITY MODEL

Recognizing the above difficulty of the conventional sliding friction device, the utility model aims to provide a novel friction joint of one-way hoop, this structure is spatial structure, also can bear pressure when undertaking the pulling force. The structure is a multi-face structure, energy is continuously consumed during vibration, and self-resetting is realized after the earthquake is finished. 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 an one-way hoop can be from reset node friction damper, including upper and lower tooth piece and left and right tooth piece, be equipped with the interlock tooth respectively at left and right tooth piece internal surface, upper and lower tooth piece surface correspondence is equipped with the interlock tooth, runs through each tooth piece through the bolt, with upper and lower tooth piece interlock and superpose 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 bolt is provided with screw holes on the upper and lower tooth blocks and the left and right tooth blocks through which the bolt passes.

Preferably, the tooth space between the meshing teeth on the left and right tooth blocks is smaller than the tooth space between the upper and lower tooth blocks.

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

Preferably, the upper and lower side end surfaces of the upper and lower blocks are provided with means for connecting to another member.

Preferably, the plurality of disc springs are respectively padded on the end faces of the left, right, upper and lower tooth blocks, contact ends of the disc springs with the end faces of the left, right, upper and lower tooth blocks 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 used as a force-taking device with building function and installed in the structure, and can bear not only the pulling force but also the pressure as a three-dimensional structure, and the deformation after the force is applied causes the component to be self-reset; the energy is continuously consumed by friction in earthquake vibration, the structure has more friction surfaces and strong energy consumption capability, and 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. 1;

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. an upper tooth block; 2. a lower tooth block; 3. a right tooth block; 4. a left tooth block; 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 can be from restoring to throne node friction damper of one-way hoop mainly comprises last tooth piece 1, lower tooth piece 2, right tooth piece 3, left tooth piece 4, nut 5, belleville spring 6 and bolt 7. Be equipped with the interlock tooth on

last tooth piece

1 and 2 surfaces of lower tooth piece, have the interlock tooth on right tooth piece 3 and the 4 internal surfaces of left tooth piece correspondingly, pass through last tooth piece 1, lower tooth piece 2, right tooth piece 3 and left tooth piece 4 through bolt 7, with upper and

lower tooth piece

1, 2 interlocks and superpose together, screw up with nut 6, fixed connection provides the restraint for the model is whole.

As shown in fig. 1 and 2, disc springs 5 are padded between a nut 6 and a right tooth block 3 and a left tooth block 4 and fixed by bolts, a plurality of disc springs 5 are padded on inner end faces of the upper tooth block 1 and the lower tooth block 2 respectively, and on outer end faces of the left tooth block 4 and the right tooth block 3, and contact ends with end faces of the upper tooth block 1, the lower tooth block 2, the left tooth block 4 and the right tooth block 3 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-restoration 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 tooth blocks

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

lower tooth blocks

1 and 2 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.

Go up the pick 1 and the pick 2 all adopts the channel-section steel preparation to form down for the screw of through bolt 7 is greater than the bolt external diameter, makes and goes up pick 1 and pick 2 down and has the space of removing, has the device to be connected with other parts at the upper and lower side end face of last pick 1 and pick 2 down.

Figure 3 shows the side view of the device after installation, as shown in figure 3, a small block is arranged in the middle of the upper surface of the upper tooth block 1 and is connected with the whole building to stress and work the member.

Fig. 4 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 tooth blocks, 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 tooth block and is placed in a buckled mode on two sides, when the component is stressed and moves upwards on the upper tooth block 1 and downwards on the lower tooth 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. 5 shows a partial schematic view of the occlusion teeth at the tooth blocks of the device, as shown in the figure, the upper tooth block and the lower tooth block are aligned, the left tooth block 4 is placed outside the upper tooth block and the lower tooth block, the occlusion teeth are aligned, and the left tooth block 4 is symmetrical to the right tooth block 3. The upper and lower tooth blocks are connected with the building through devices. When the force is applied, the upper and lower tooth blocks are mutually dislocated, under the action of the meshing teeth, the right tooth block 3 moves rightwards, and the left tooth block 4 moves leftwards, so that the disk spring 5 is extruded. The holes on the lower tooth block 2 of the upper tooth block 1 are larger than the holes on the left and right tooth blocks, so that the upper and lower tooth blocks can be staggered with each other when stressed.

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 the tooth piece and the tooth piece atress down, take place the interactive movement, through the interlock tooth with the power conversion of vertical direction for the power of horizontal direction, make left tooth piece move left, right tooth piece moves right, extrudees belleville spring, makes belleville spring produce the restoring force, acts on about on the tooth piece, converts 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

1. The utility model provides a can be from restoring to throne node friction damper of one-way hoop which characterized in that, includes upper and lower tooth piece and left and right tooth piece, is equipped with the interlock tooth at upper and lower tooth piece surface, and it has the interlock tooth to correspond on the right tooth piece of a pair of frame plate structure and the left tooth piece internal surface, runs through the middle part and the tip of a pair of left and right tooth piece and upper and lower tooth piece respectively through the bolt, connects through the nut that has belleville spring, and it is in the same place to dock interlock and fold up from top to bottom with upper and lower tooth piece with left and right tooth piece looks lock.

2. The friction damper with a self-resettable node of a one-way hoop of claim 1, wherein the left and right teeth of the frame-shaped plate structure are symmetrically distributed, and the width of the outer end surface of the friction damper is corresponding to the side length of the upper and lower teeth, and the width of the side edge of the friction damper is 1/2 of the side length of the upper and lower teeth.

3. The self-resettable node friction damper of a unidirectional ferrule of claim 1, wherein the cross-section of the snap-in teeth is triangular or rectangular.

4. The self-resettable node friction damper of a unidirectional ferrule of claim 3, wherein the teeth on the pair of left and right tooth blocks have the same pitch and cross-sectional shape as the teeth on the upper and lower tooth blocks.

5. The self-resettable node friction damper of a unidirectional hoop of claim 1, wherein the screw hole for the bolt to pass through the middle of the upper and lower tooth blocks is an oblong hole along the height direction, and the screw hole for the bolt to pass through is larger than the outer diameter of the bolt.

6. The friction damper with a self-resettable node of a one-way hoop of claim 1, wherein the bolt hole penetrating the ends of the upper and lower tooth blocks is a semicircular hole, and the shape of the butted upper and lower holes is consistent with the oblong holes of the upper and lower tooth blocks.

7. A self-resettable node friction damper of a unidirectional clamp as claimed in claim 5 or claim 6, wherein the bolts passing through the abutment of the upper and lower blocks are two side by side.

8. The friction damper of a one-way hoop capable of self-resetting a node as claimed in claim 1, wherein the bolt through holes formed in the pair of left and right tooth blocks are circular holes concentric with the bolt.

9. The self-resettable node friction damper of a unidirectional ferrule of claim 1, wherein a plurality of disc springs are respectively disposed between the nut and the pair of left and right tooth blocks, and adjacent disc springs are engaged and abutted with each other.

10. The self-resettable node friction damper of a unidirectional ferrule of claim 1, wherein the upper end surface of the upper tooth block has a connector for connection to another component integrally attached to the structure.