CN210369413U - Assembled high-energy-consumption friction damper - Google Patents
Assembled high-energy-consumption friction damper Download PDFInfo
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- CN210369413U CN210369413U CN201921207274.2U CN201921207274U CN210369413U CN 210369413 U CN210369413 U CN 210369413U CN 201921207274 U CN201921207274 U CN 201921207274U CN 210369413 U CN210369413 U CN 210369413U
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Abstract
The utility model provides an assembled high energy consumption friction damper, including first outer steel sheet, steel sheet in the first, steel sheet in the second and the second, the riser of steel sheet supports respectively in first interior steel sheet and the second supports and holds on the horizontal plate of other side, be fixed with the spring fixing base on the riser of steel sheet in first interior steel sheet and the second, be fixed with energy consumption reset spring between the spring fixing base, be fixed with antifriction layer on the riser bottom face of steel sheet in first interior steel sheet riser bottom face and the second, steel sheet is through antifriction layer and the horizontal plate face contact of other side in first interior steel sheet and the second respectively, steel sheet is connected in first outer steel sheet and the second through rivet and first interior steel sheet and second respectively. The damper is simple in structure, convenient to assemble quickly and applied to the existing building structure to achieve the purpose of shock absorption and energy consumption, the outer steel plates of the damper are horizontally arranged to achieve the purpose of being arranged between the building structure layers, namely between the upper cross beam and the lower cross beam, and then the damper serves as an interlayer auxiliary column and achieves the purpose of shock absorption and energy consumption.
Description
Technical Field
The utility model relates to a building shock attenuation power consumption component field, concretely relates to assembled high power consumption friction damper.
Background
The damper is an energy consumption and noise reduction device widely applied to the fields of machinery, control and the like at present, although the damper is also researched in the aspect of building shock absorption, the damper is rarely applied to actual engineering, and the main reasons are that the damper is poor in stability, cannot be well fused with a structure, is short in service life and is difficult to apply due to the defects of a processing technology.
The friction area of the traditional friction damper is small, the friction interface is irregular in treatment, and friction materials are unstable, so that the energy consumption effect of the friction damper cannot achieve the expected effect. Although the traditional damper solves the problem of damping energy consumption, the key technology of automatic reset cannot be solved, and the traditional damper becomes a weak link of the structure.
In order to solve the above problems, utility model No. 201621080402.8 discloses a high energy consumption friction type damper which increases the friction area to increase the energy consumption performance of the damper, but has the following problems; 1. the left steel plate and the right steel plate of the damper are vertically arranged and cannot be arranged between the cross beams on the upper side and the lower side to serve as auxiliary columns between the cross beams to achieve the purposes of shock absorption and energy consumption; 2. the damper is complex in structure and inconvenient to mount and fast assemble in the existing structure so as to achieve the purposes of damping and energy consumption; 3. the damper has a large longitudinal calculation length, and the left steel plate and the right steel plate are easy to be instable and damaged by shearing when bearing horizontal load, so that the friction energy consumption function of the transverse steel plate between the left steel plate and the right steel plate is ineffective.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, the assembled high-energy-consumption friction damper is designed, the damper is simple in structure, is convenient to rapidly assemble and can be applied to the existing building structure to achieve the aim of damping and energy consumption, the damper utilizes the structure of the L-shaped inner steel plate to change the arrangement form of the outer steel plate so as to achieve the aim of being arranged between the layers of the building structure, namely between the upper cross beam and the lower cross beam, and further serve as an interlayer auxiliary column and achieve the aim of damping and energy consumption, and meanwhile, the damper also has the reset function after the acting force disappears, and the aim of repeated use is achieved; the outer steel plate and the inner steel plate of the damper are connected through the rivet, the calculated length of the outer steel plate is reduced after the rivet is connected, and the friction damping failure of the damper caused by instability damage of the outer steel plate is prevented.
In order to solve the technical problem, the above technical effect is achieved, the utility model discloses a following technical scheme realizes:
an assembled high-energy-consumption friction damper is characterized by comprising a first outer steel plate, a first inner steel plate, a second outer steel plate and a second inner steel plate, wherein the first inner steel plate and the second inner steel plate are L-shaped, a vertical plate of the first inner steel plate is abutted against a horizontal plate of the second inner steel plate, a vertical plate of the second inner steel plate is abutted against the horizontal plate of the first inner steel plate, the first inner steel plate and the second inner steel plate form a square structure, spring fixing seats are fixed on the vertical plates of the first inner steel plate and the second inner steel plate, energy-consumption return springs are fixed between the spring fixing seats, friction-resistant layers are fixed on the bottom end surfaces of the vertical plates of the first inner steel plate and the second inner steel plate, the first inner steel plate and the second inner steel plate are respectively contacted with the horizontal plate surface of the opposite side through the friction-resistant layers, the first outer steel plate and the second outer steel plate are respectively arranged on the outer sides of the first inner steel plate and the second inner steel plate, the first outer steel plate and the second outer steel plate are connected with the first inner steel plate and the second inner steel plate through rivets respectively.
Preferably, the friction-resistant layer is rubber damping.
The utility model has the advantages that: 1. the damper is simple in structure, convenient to assemble quickly and applied to the existing building structure to achieve the purpose of damping and energy consumption, and changes the arrangement form of the outer steel plates by utilizing the structure of the L-shaped inner steel plates so as to achieve the purpose of being arranged between the building structure layers, namely between the upper cross beam and the lower cross beam, and further serving as an interlayer auxiliary column and achieving the purpose of damping and energy consumption; 2. the damper also has a reset function after the acting force disappears, so that the aim of repeated use is fulfilled; 3. the outer steel plate and the inner steel plate of the damper are connected through the rivet, the calculated length of the outer steel plate is reduced after the rivet is connected, and the friction damping failure of the damper caused by instability damage of the outer steel plate is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of an assembled high energy dissipation friction damper;
fig. 2 is a schematic sectional view of the assembled high energy consumption friction damper.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a first outer steel plate, 2-a first inner steel plate, 3-a second outer steel plate, 4-a second inner steel plate, 5-a friction-resistant layer, 6-a spring fixing seat, 7-an energy-dissipation reset spring and 8-a rivet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, an assembled high-energy-consumption friction damper comprises a first outer steel plate 1, a first inner steel plate 2, a second outer steel plate 3 and a second inner steel plate 4, wherein the first inner steel plate 2 and the second inner steel plate 4 are both in an L shape, a vertical plate of the first inner steel plate 2 is supported on a horizontal plate of the second inner steel plate 4, a vertical plate of the second inner steel plate 4 is supported on the horizontal plate of the first inner steel plate 2, the first inner steel plate 2 and the second inner steel plate 4 form a square-shaped structure, spring fixing seats 6 are fixed on the vertical plates of the first inner steel plate 2 and the second inner steel plate 4, an energy-consumption return spring 7 is fixed between the spring fixing seats 6, a bottom end face of the vertical plate of the first inner steel plate 2 and a bottom end face of the vertical plate of the second inner steel plate 4 are fixed with a friction-resistant layer 5, and the friction-resistant layer 5 is rubber damping; the first interior steel sheet 2 and the second interior steel sheet 4 respectively through resistant friction layer and the horizontal plate face contact of other side, the outer steel sheet 3 of first outer steel sheet 1 and second sets up respectively in the outside of steel sheet 4 in first interior steel sheet 2 and the second, the outer steel sheet of first outer steel sheet 1 and second is connected through rivet 8 and first interior steel sheet 2 and second interior steel sheet 4 respectively.
The working principle of the device is as follows: respectively fixing a first outer steel plate 1 and a third outer steel plate 3 on the bottom surface of an upper cross beam and the top surface of a lower cross beam in a bolt connection mode, namely forming a plurality of bolt holes in the first outer steel plate 1 and the third outer steel plate 3, and fixing the first outer steel plate 1 and the third outer steel plate 3 on the upper cross beam and the lower cross beam of the existing structure by using expansion bolts; before fixing the first outer steel plate 1 and the second outer steel plate 3, fixing the first inner steel plate 2 and the second inner steel plate 4 on the first outer steel plate 1 and the second outer steel plate 3 respectively by using rivets; when fixed first outer steel sheet 1 and the outer steel sheet 3 of second, pay attention to keep first outer steel sheet 1 and the outer steel sheet 3 of second to align from top to bottom, guarantee preceding, back alignment between first interior steel sheet 2 and the second interior steel sheet 4, prevent the loss of friction surface, after the riser of steel sheet 4 supports and holds in the horizontal plate of other side in first interior steel sheet 2 and the second, be fixed in respectively on the spring fixing base 6 on first interior steel sheet 2 and the second interior steel sheet 4 with the both ends of power consumption reset spring 7.
When the acting force of earthquake force is applied, relative displacement occurs between an upper beam and a lower beam of a building structure, when the upper beam drives a first outer steel plate 1 to move towards the left side or a second outer steel plate 2 to move towards the right side, a first inner steel plate moves towards the left side, a friction layer 5 at the bottom of a vertical plate of the first inner steel plate 2 and a second inner steel plate 4 generate friction, heat generated by the friction consumes a part of earthquake energy, an energy consumption reset spring 7 extends out and deforms, the energy consumption reset spring 7 absorbs the earthquake energy through deformation, and after the earthquake acting force disappears, the first inner steel plate 2 and the second inner steel plate 4 reset through the energy consumption reset spring 7 to absorb the next earthquake acting force; when the first outer steel plate 1 is displaced to the right or the second outer steel plate 3 is displaced to the left, the frictional damping between the first inner steel plate 2 and the second inner steel plate 4 consumes a part of the seismic energy by the heat generated by the friction, and the dissipative return spring 7 between the first inner steel plate 2 and the second inner steel plate 4 is compressed and deformed, the dissipative return spring 7 absorbs the seismic energy by deformation, and after the seismic acting force disappears, the first inner steel plate 2 and the second inner steel plate 4 are returned to be ready for the next use. Because the first outer steel plate 1 is connected with the first inner steel plate 2, the second outer steel plate 3 is connected with the second inner steel plate 4 through rivets, the horizontal calculation length of the first outer steel plate 1 and the second outer steel plate 2 is reduced, and the conclusion that the pressure bearing capacity of the first outer steel plate 1 and the second outer steel plate 2 is increased is obtained according to the calculation formula of the stability of the pressure lever, so that the calculation length of the outer steel plates is reduced after the rivets are connected, and the friction damping failure of the damper caused by the instability and damage of the outer steel plates is prevented.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. An assembled high-energy-consumption friction damper is characterized by comprising a first outer steel plate (1), a first inner steel plate (2), a second outer steel plate (3) and a second inner steel plate (4), wherein the first inner steel plate (2) and the second inner steel plate (4) are L-shaped, a vertical plate of the first inner steel plate (2) is abutted against a horizontal plate of the second inner steel plate (4), a vertical plate of the second inner steel plate (4) is abutted against the horizontal plate of the first inner steel plate (2), the first inner steel plate (2) and the second inner steel plate (4) form a square structure, spring fixing seats (6) are fixed on the vertical plates of the first inner steel plate (2) and the second inner steel plate (4), an energy-consumption reset spring (7) is fixed between the spring fixing seats (6), a friction-resistant layer (5) is fixed on the bottom end surface of the vertical plate of the first inner steel plate (2) and the bottom end surface of the vertical plate of the second inner steel plate (4), the first inner steel plate (2) and the second inner steel plate (4) are in surface contact with the horizontal plate of the other side through the friction-resistant layer respectively, the first outer steel plate (1) and the second outer steel plate (3) are arranged on the outer sides of the first inner steel plate (2) and the second inner steel plate (4) respectively, and the first outer steel plate (1) and the second outer steel plate are connected with the first inner steel plate (2) and the second inner steel plate (4) through rivets respectively.
2. An assembled high energy consumption friction damper according to claim 1, characterized in that said friction resistant layer (5) is rubber damping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207274.2U CN210369413U (en) | 2019-07-29 | 2019-07-29 | Assembled high-energy-consumption friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207274.2U CN210369413U (en) | 2019-07-29 | 2019-07-29 | Assembled high-energy-consumption friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369413U true CN210369413U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921207274.2U Expired - Fee Related CN210369413U (en) | 2019-07-29 | 2019-07-29 | Assembled high-energy-consumption friction damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369413U (en) |
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2019
- 2019-07-29 CN CN201921207274.2U patent/CN210369413U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210729 |