CN108952289A - Lamination frcition damper - Google Patents
Lamination frcition damper Download PDFInfo
- Publication number
- CN108952289A CN108952289A CN201811094010.0A CN201811094010A CN108952289A CN 108952289 A CN108952289 A CN 108952289A CN 201811094010 A CN201811094010 A CN 201811094010A CN 108952289 A CN108952289 A CN 108952289A
- Authority
- CN
- China
- Prior art keywords
- friction plate
- plate
- bolt
- multiple groups
- lamination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003475 lamination Methods 0.000 title claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a kind of lamination frcition dampers, belong to vibration control technology field.Including right baffle-plate, right shell body, the first friction plate, the second friction plate, cover board, the right baffle-plate, right shell body are lattice-shaped；The first friction plate is provided in right baffle-plate；The second friction plate is provided in right shell body.Relatively parallel staggeredly overlapping setting between the second friction plate of the first friction plate of multiple groups and multiple groups, and compacting is tightened by bolt；Inserted with bolt at least there are two in bolt hole, the quantity of bolt insertion according to damper damping force it needs to be determined that.The power output of damper needed for the damper can reach building energy-dissipating and shock-absorbing with normal pressure more smaller than conventional friction damper, protects the rubbing surface of frcition damper to adversely affect from excessive normal pressure bring.
Description
Technical field
The present invention relates to a kind of frcition damper, especially a kind of lamination frcition damper can be used for disappearing for building structure
Energy shockproof control, belongs to vibration control technology field.
Background technique
Frcition damper is a kind of frictional force that relative motion generates under compression environment using rubbing surface, makes extraneous input
Energy is converted to thermal energy to reach consumption and input the damper into the energy of building.Traditional frcition damper is by such as
High-strength bolt, Interference contact mode assign rubbing surface a certain size precompression, under seismic loading, between rubbing surface
Sliding friction is overcome to generate relative motion, so that energy consumption purpose is realized, such as PALL frcition damper, tube fraction damper, folder
Plate pivoting friction damper etc..However conventional friction damper is due to only one or two rubbing surfaces, to reach estimated power output
Need to be several times as much as the normal pressure of damping power output.It is to change that rubbing surface changes with time in high pre-stress effect lower surface frictional behaviour
The instant performance of friction-changing damper, the major issue for hindering frcition damper application.
Summary of the invention
The present invention reduces excessive normal pressure to frcition damper rubbing surface to solve the above-mentioned deficiency of the prior art
Damage, a kind of lamination frcition damper is proposed, by way of multiple friction plates in parallel, so that frcition damper is not to damage
The normal pressure of frcition damper rubbing surface is reduced under the premise of the power output of mistake damper.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of lamination frcition damper, including right baffle-plate, right shell body, the first friction plate, the second friction plate, cover board, it is described
Right baffle-plate, right shell body are lattice-shaped；The right baffle-plate includes starting stave, the first strap and the first connecting plate, more
Group the first strap disposed in parallel is arranged on the right side of starting stave, and the first connecting plate is vertically arranged in starting stave left side
Between；In parallel clamp is provided with multiple groups the first friction plate disposed in parallel between the first strap of multiple groups；First friction plate center
It is respectively arranged with one group of bolt hole along its length；The first strap outer surface positioned at outside upper and lower side is additionally provided with lid
Plate, the bolt hole setting on cover board are corresponding with the bolt hole setting on the first friction plate unanimously；Cover board left end passes through pin and the
One friction plate, the first strap are connected and fixed；The right shell body includes the second riser, the second strap and the second connection
Plate, multiple groups the second strap disposed in parallel are arranged on the left of the second riser, and the second connecting plate is vertically arranged in the second riser
Among right side；In parallel clamp is provided with multiple groups the second friction plate disposed in parallel between the second strap of multiple groups；Second friction plate
It is fixedly connected between right-hand end and the second strap by perforative pin；Second friction plate center is arranged along its length
There are the sliding groove of one with left end perforation；Relatively parallel staggeredly overlapping is set between the second friction plate of the first friction plate of multiple groups and multiple groups
It sets；Sliding groove is corresponding with the bolt hole on the first friction plate and cover board, and the bolt by being vertically arranged rubs multiple groups first
Wiping board and the second friction plate of multiple groups link together, and the first friction plate and the second friction plate are tightened by nut in bolt both ends
Compacting；Inserted with bolt at least there are two in the bolt hole, the quantity of bolt insertion needs true according to damper damping force
It is fixed.
Further, between corresponding second riser of the first friction plate and right side, the second friction plate corresponding with left side
Pre- displacement is provided between one riser.
Further, the pre- displacement is 10-50mm.
Further, the first connecting plate, be provided with connecting hole on the second connecting plate.
Further, the quantity of one group of bolt hole of first friction plate is 5-15.
Further, first friction plate is 4 groups, and second friction plate is 5 groups.
Further, the bolt is 304 stainless steel bolts of φ 3mm.
Further, one group of number of bolt hole of first friction plate is 11, the left number of the first friction plate the 3rd, 7,
Bolt is inserted in 11 bolts hole.
Compared with the existing technology, the present invention has the following technical effect that
It uses damper of the invention that can reach building energy dissipating with normal pressure more smaller than conventional friction damper to subtract
Damper power output, protects the rubbing surface of frcition damper to adversely affect from excessive normal pressure bring needed for shake.
Detailed description of the invention
Fig. 1 is a kind of lamination frcition damper overall schematic of the invention；
Fig. 2 is two isogonism axonometric drawings of the damper of Fig. 1 or more；
Fig. 3 is the second friction plate detail drawing of the invention；
Fig. 4 is the first friction plate detail drawing of the invention；
Fig. 5 is hysteresis loop obtained by Damper Test of the present invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-5, a kind of lamination frcition damper of the invention, including right baffle-plate 1, right shell body 2, the first friction plate
3, the second friction plate 4, cover board 5, the right baffle-plate 1, right shell body 2 are lattice-shaped；The right baffle-plate 1 include starting stave 11,
First strap 12 and the first connecting plate 13, the multiple groups setting of the first strap 12 disposed in parallel are right in starting stave 11
Side, it is intermediate that the first connecting plate 13 is vertically arranged in 11 left side of starting stave；In parallel clamp sets between the first strap of multiple groups 12
It is equipped with multiple groups the first friction plate 3 disposed in parallel；First friction plate, 3 center is respectively arranged with one group of bolt hole 9 along its length；
12 outer surface of the first strap positioned at outside upper and lower side is additionally provided with cover board 5, the setting of bolt hole 9 and first on cover board 5
The setting of bolt hole 9 on friction plate 3 is corresponding consistent；5 left end of cover board passes through pin and the first friction plate 3, the first strap 12
It is connected and fixed；The right shell body 2 includes the second riser 21, the second strap 22 and the second connecting plate 23, and multiple groups are set in parallel
In 21 left side of the second riser, the second connecting plate 23 is vertically arranged in 21 right side of the second riser for the second strap 22 setting set
Between；In parallel clamp is provided with multiple groups the second friction plate 4 disposed in parallel between the second strap of multiple groups 22；Second friction plate 4 is right
It is fixedly connected between side end and the second strap 22 by perforative pin；Second friction plate, 4 center is set along its length
It is equipped with the sliding groove 10 of one with left end perforation；It is relatively parallel between the first friction plate of multiple groups 3 and the second friction plate of multiple groups 4 to interlock
Overlapping setting；Sliding groove 10 is corresponding with the bolt hole 9 on the first friction plate 3 and cover board 5, and passing through the bolt being vertically arranged will
The first friction plate of multiple groups 3 and the second friction plate of multiple groups 4 link together, and bolt both ends pass through nut for 3 He of the first friction plate
Second friction plate 4 tightens compacting；Inserted with bolt at least there are two in the bolt hole 9, the quantity of bolt insertion is according to resistance
Buddhist nun's device damping force it needs to be determined that.Connecting hole is provided on first connecting plate 13, the second connecting plate 23, the first friction plate 3 is 4
Group, second friction plate 4 are 5 groups.
Fig. 5 is the experiment curve obtained of the present embodiment lamination frcition damper, and performance is stablized.Wherein, the first friction plate 3 with
It is provided with pre- displacement between corresponding second riser 21 in right side, between the second friction plate 4 starting stave 11 corresponding with left side, in advance
Displacement is 30mm.The quantity of one group of bolt hole of the first friction plate 3 is 11, and bolt is 304 stainless steel bolts of φ 3mm.The
Bolt is inserted in the 3rd, 7,11 bolt hole 9 of left number of one friction plate 3.The gained hysteresis under different bolt tightening torques
Curve is as shown in Figure 5.When the number of bolt and screw-down torque increase, the power output of damper will be increased with it.
Above-described embodiment, which is intended merely to become apparent from, illustrates that technical solution of the present invention made enumerates, not to of the invention
It limits, those skilled in the art are according to the common knowledge of this field to the accommodation of technical scheme also in this Shen
Please be within protection scope, in short, above-described embodiment is only to enumerate, the protection scope of the application is with scope
It is quasi-.
Claims (8)
1. a kind of lamination frcition damper, it is characterised in that: including right baffle-plate (1), right shell body (2), the first friction plate (3),
Two friction plates (4), cover board (5), the right baffle-plate (1), right shell body (2) are lattice-shaped；The right baffle-plate (1) includes first perpendicular
Plate (11), the first strap (12) and the first connecting plate (13), multiple groups the first strap (12) setting disposed in parallel
On the right side of starting stave (11), the first connecting plate (13) is vertically arranged in intermediate on the left of starting stave (11)；Multiple groups first are fixed
In parallel clamp is provided with multiple groups the first friction plate (3) disposed in parallel between clamping plate (12)；First friction plate (3) center is along length
Direction is respectively arranged with one group of bolt hole (9)；The first strap (12) outer surface positioned at outside upper and lower side is additionally provided with lid
Plate (5), bolt hole (9) setting on cover board (5) are corresponding with bolt hole (9) setting on the first friction plate (3) unanimously；Cover board
(5) left end is connected and fixed by pin with the first friction plate (3), the first strap (12)；The right shell body (2) includes second
Riser (21), the second strap (22) and the second connecting plate (23), multiple groups the second strap (22) disposed in parallel set
It sets on the left of the second riser (21), the second connecting plate (23) is vertically arranged in intermediate on the right side of the second riser (21)；Multiple groups second are solid
In parallel clamp is provided with multiple groups the second friction plate (4) disposed in parallel between clamp plate (22)；Second friction plate (4) right-hand end with
Second strap is fixedly connected between (22) by perforative pin；Second friction plate (4) center is provided with along its length
One sliding groove (10) penetrated through with left end；It is relatively parallel between the first friction plate of multiple groups (3) and the second friction plate of multiple groups (4) to hand over
Mistake overlapping setting；Sliding groove (10) is corresponding with bolt hole (9) on the first friction plate (3) and cover board (5), and by setting vertically
The bolt set links together the first friction plate of multiple groups (3) and the second friction plate of multiple groups (4), and bolt both ends will by nut
First friction plate (3) and the second friction plate (4) tighten compacting；Inserted with bolt, spiral shell at least there are two in the bolt hole (9)
Bolt insertion quantity according to damper damping force it needs to be determined that.
2. a kind of lamination frcition damper according to claim 1, it is characterised in that: the first friction plate (3) and right side are right
Pre- displacement is provided between the second riser (21) answered, between the second friction plate (4) starting stave (11) corresponding with left side.
3. a kind of lamination frcition damper according to claim 2, it is characterised in that: the pre- displacement is 10-50mm.
4. a kind of lamination frcition damper according to claim 1, it is characterised in that: the first connecting plate (13), second connect
Fishplate bar is provided with connecting hole on (23).
5. a kind of lamination frcition damper according to claim 1, it is characterised in that: the one of first friction plate (3)
The quantity of group bolt hole is 5-15.
6. a kind of lamination frcition damper according to claim 1, it is characterised in that: first friction plate (3) is 4
Group, second friction plate (4) are 5 groups.
7. a kind of lamination frcition damper according to claim 1, it is characterised in that: the bolt be φ 3mm 304 not
Become rusty steel bolt.
8. a kind of lamination frcition damper according to claim 1, it is characterised in that: the one of first friction plate (3)
Group bolt hole (9) quantity is 11, is inserted with bolt in the 3rd, 7,11 bolt hole (9) of left number of the first friction plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094010.0A CN108952289A (en) | 2018-09-19 | 2018-09-19 | Lamination frcition damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094010.0A CN108952289A (en) | 2018-09-19 | 2018-09-19 | Lamination frcition damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952289A true CN108952289A (en) | 2018-12-07 |
Family
ID=64471423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094010.0A Pending CN108952289A (en) | 2018-09-19 | 2018-09-19 | Lamination frcition damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952289A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485787A (en) * | 2019-08-08 | 2019-11-22 | 国核电力规划设计研究院有限公司 | Velocity profile frcition damper |
| CN111425040A (en) * | 2020-04-13 | 2020-07-17 | 东南大学 | Spring-added friction damper |
| CN112609854A (en) * | 2020-12-08 | 2021-04-06 | 海南大学 | Energy dissipation shock attenuation enhancement mode construction structures and friction damper |
| CN116950118A (en) * | 2023-09-21 | 2023-10-27 | 华侨大学 | Assembled double-column independent foundation structure and construction method thereof |
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| CN105155716A (en) * | 2015-09-11 | 2015-12-16 | 清华大学 | Double-sliding frictional energy dissipater |
| JP2016142329A (en) * | 2015-02-02 | 2016-08-08 | 大成建設株式会社 | Friction damper |
| CN205617594U (en) * | 2016-05-06 | 2016-10-05 | 云南震安减震科技股份有限公司 | Rubber type friction energy dissipation bumper shock absorber |
| CN205639451U (en) * | 2016-04-05 | 2016-10-12 | 同济大学 | Friction -variable energy dissipation device |
| CN206521986U (en) * | 2017-03-06 | 2017-09-26 | 南京丹枫机械科技有限公司 | A kind of structure frcition damper |
| CN206581672U (en) * | 2017-02-23 | 2017-10-24 | 南京丹枫机械科技有限公司 | A kind of friction damper |
| CN208858224U (en) * | 2018-09-19 | 2019-05-14 | 北京工业大学 | Lamination frcition damper |
-
2018
- 2018-09-19 CN CN201811094010.0A patent/CN108952289A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016142329A (en) * | 2015-02-02 | 2016-08-08 | 大成建設株式会社 | Friction damper |
| CN105155716A (en) * | 2015-09-11 | 2015-12-16 | 清华大学 | Double-sliding frictional energy dissipater |
| CN205639451U (en) * | 2016-04-05 | 2016-10-12 | 同济大学 | Friction -variable energy dissipation device |
| CN205617594U (en) * | 2016-05-06 | 2016-10-05 | 云南震安减震科技股份有限公司 | Rubber type friction energy dissipation bumper shock absorber |
| CN206581672U (en) * | 2017-02-23 | 2017-10-24 | 南京丹枫机械科技有限公司 | A kind of friction damper |
| CN206521986U (en) * | 2017-03-06 | 2017-09-26 | 南京丹枫机械科技有限公司 | A kind of structure frcition damper |
| CN208858224U (en) * | 2018-09-19 | 2019-05-14 | 北京工业大学 | Lamination frcition damper |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485787A (en) * | 2019-08-08 | 2019-11-22 | 国核电力规划设计研究院有限公司 | Velocity profile frcition damper |
| CN110485787B (en) * | 2019-08-08 | 2024-05-17 | 国核电力规划设计研究院有限公司 | Speed type friction damper |
| CN111425040A (en) * | 2020-04-13 | 2020-07-17 | 东南大学 | Spring-added friction damper |
| CN112609854A (en) * | 2020-12-08 | 2021-04-06 | 海南大学 | Energy dissipation shock attenuation enhancement mode construction structures and friction damper |
| CN112609854B (en) * | 2020-12-08 | 2022-02-22 | 海南大学 | Energy dissipation shock attenuation enhancement mode construction structures and friction damper |
| CN116950118A (en) * | 2023-09-21 | 2023-10-27 | 华侨大学 | Assembled double-column independent foundation structure and construction method thereof |
| CN116950118B (en) * | 2023-09-21 | 2023-12-05 | 华侨大学 | Assembled double-column independent foundation structure and construction method thereof |
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