CN205875865U - Second order friction damper - Google Patents
Second order friction damper Download PDFInfo
- Publication number
- CN205875865U CN205875865U CN201620769692.0U CN201620769692U CN205875865U CN 205875865 U CN205875865 U CN 205875865U CN 201620769692 U CN201620769692 U CN 201620769692U CN 205875865 U CN205875865 U CN 205875865U
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- order
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- angle steel
- friction
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Abstract
The utility model relates to a second order friction damper, a second order friction damper include first -order friction unit and second order friction unit, and first -order friction unit and second order friction unit establish ties through the welding, first -order friction unit including lower connecting plate, down friction plate, first -order mainboard, go up friction plate, upper junction plate, through high strength bolt with upper junction plate, first -order mainboard, down the connecting plate connect, second grade friction unit includes angle steel A, angle steel B, friction plate, backing plate, second grade mainboard, through high strength bolt with angle steel A, angle steel B, second grade mainboard connection. The utility model discloses a second order friction damper ability automatic adjustment power consumption unit has good power consumption ability, has improved the attenuator utilization ratio greatly.
Description
Art
This utility model relates to a kind of building structure damping energy-dissipating device, particularly relates to a kind of by just regulating high-strength bolt
Pressure provides the second order frcition damper of friction.
Background technology
In earthquake, building destroys and collapses the main cause being to cause earthquake disaster.Traditional structure antidetonation is by increasing
The strong intensity of structure itself, rigidity and ductility resist earthquake damage.The most uneconomical being also unfavorable for of this method reaches expection
Effect, and energy-dissipating and shock-absorbing technology is antivibrator in parallel with structure itself, by antivibrator dissipation seismic energy, economical and effective,
It it is active and effective antidetonation strategy.
Current existing passive energy-consumption shock-absorption device has: viscosity, friction-type, and metal song takes several classes such as type, viscoelastic type.
Viscoelastic damper is the most aging, anti-fatigue performance is poor；Damper with viscosity easy to leak；Need after metal yield type macroseism to change.
Chinese patent notification number is that CN 204401817U discloses the passive variable friction dampers with two-stage friction power, but this resistance
Buddhist nun's device structure complexity.Conventional friction antivibrator rise sliding power single i.e. under macroseism produce sliding consume energy, under middle shake, little shake
Not playing a role, service efficiency is low.
Summary of the invention
For the deficiencies in the prior art, the utility model proposes a kind of second order frcition damper, a kind of second order frictional damping
Device includes that single order friction element and second order friction element, single order friction element and second order friction element are connected by welding.Single order
Friction element erection sequence from top to bottom is lower connecting plate, lower friction plate, single order mainboard, upper friction plate, upper junction plate, by height
Upper junction plate, single order mainboard, lower connecting plate are connected by strength bolt；In two grades of friction elements, angle steel A, angle steel B have groove part
Being respectively embedded into friction plate, non-recessing part, added with backing plate, accompanies two grades of mainboards two-by-two between friction plate.This antivibrator can basis
Earthquake intensity and the seismic response of engineering structure, be automatically adjusted power consumption cell operation state, have good energy dissipation capacity, structure
Simply, cheap.
This utility model solves the technical scheme that its technical problem used: single order high-strength bolt, upper junction plate, on rub
Wiping board, single order mainboard, lower friction plate, lower connecting plate, angle steel A, angle steel B, friction plate, second order mainboard, second order high-strength bolt and pad
Plate；Described single order high-strength bolt, described upper junction plate, described upper friction plate, described single order mainboard, described lower friction plate and described
Lower connecting plate constitute single order friction element, described single order mainboard is positioned in the middle of described upper junction plate, described lower connecting plate, described on
Friction plate, described lower friction plate epoxy resin are pasted on upper junction plate groove and lower connecting plate groove, described single order respectively
High-strength bolt, through coaxial upper junction plate bolt hole, single order mainboard spacing hole, lower connecting plate bolt hole, is executed by nut
Plus-pressure regulates the friction damping force of single order friction element；Described angle steel A, described angle steel B, described friction plate, described second order
Mainboard, described second order high-strength bolt and backing plate constitute second order friction element, and described second order mainboard is sandwiched in described angle steel A, described angle
Between steel B, described friction plate uses epoxy resin to be pasted in angle steel A groove and angle steel B groove, and described second order high-strength bolt is worn
Cross this side angle steel A bolt hole, angle steel B bolt hole and backing plate bolt hole to connect, apply pressure by nut and regulate second order
The friction damping force of friction element, described angle steel A, described angle steel B non-recessing side accompany described backing plate, the high-strength spiral shell of described second order
Bolt connects through this side angle steel A bolt hole, angle steel B bolt hole and backing plate bolt hole；By angle steel A, angle steel B and upper junction plate, under
Connecting plate welds, and reaches connect single order friction element and the purpose of second order friction element.
Useful implementation result of the present utility model is: second order frcition damper can be according to earthquake intensity and the ground of engineering structure
Ring the duty that should automatically adjust power consumption unit.There is good energy dissipation capacity, simple structure, cheap.
Accompanying drawing explanation
Fig. 1 is this utility model second order frcition damper schematic diagram.
Fig. 2 is cutting single order friction element schematic diagram in Fig. 1.
Fig. 3 is single order friction element schematic diagram in Fig. 1.
Fig. 4 is that Fig. 3 splits schematic diagram.
Fig. 5 is upper junction plate schematic diagram in Fig. 2.
Fig. 6 is single order mainboard schematic diagram in Fig. 2.
Fig. 7 is second order friction element schematic diagram in Fig. 1.
Fig. 8 is that Fig. 7 splits schematic diagram.
Fig. 9 is angle steel A schematic diagram in Fig. 7.
Figure 10 is angle steel B schematic diagram in Fig. 7.
Figure 11 is backing plate schematic diagram in Fig. 7.
Figure 12 is second order mainboard schematic diagram in Fig. 7.
Figure 13 is friction plate schematic diagram in Fig. 7.
Figure 14 is second order frcition damper and steel structure connection schematic diagram.
In figure: 1 single order high-strength bolt, 2 upper junction plates, friction plate on 3,4 single order mainboards, 5 times friction plates,
6 lower connecting plates, 7 angle steel A, 8 angle steel B, 9 friction plates, 10 second order mainboards, 11 second order high-strength bolts, 12 pads
Plate, 501 upper junction plate grooves, 502 upper junction plate bolts hole, 601 single order mainboard spacing holes, 901 angle steel A grooves,
902 angle steel A bolts hole, 1001 angle steel B grooves, 1002 angle steel B bolts hole, 1101 backing plate bolts hole, 1,201 2
Rank mainboard spacing hole, 1301 friction plate bolts hole, 13 girder steels, 14 upper support, 15 second order frcition dampers, 16
Steel column, 17 lower support.
Detailed description of the invention
Below in conjunction with technical scheme and accompanying drawing, the utility model is described in further detail in detail.
Under little shake and big shake effect, building structure is analyzed respectively, second order frictional damping is set according to analysis result
The size of device and parameter.
According to Fig. 1, Fig. 2, this second order frcition damper by single order high-strength bolt 1, upper junction plate 2, upper friction plate 3,
Single order mainboard 4, lower friction plate 5, lower connecting plate 6, angle steel A7, angle steel B8, friction plate 9, second order mainboard 10, second order high-strength bolt
11, backing plate 12 forms.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6.Single order friction element is by single order high-strength bolt 1, upper junction plate 2, upper friction plate
3, single order mainboard 4, lower friction plate 5, lower connecting plate 6 form.Single order mainboard 4 is positioned in the middle of upper junction plate 2, lower connecting plate 6, above rubs
Wiping board 3, lower friction plate 5 are pasted on upper junction plate groove 501 and lower connecting plate groove, the high-strength spiral shell of single order respectively with epoxy resin
Bolt 1 connects through coaxial upper junction plate bolt hole 502, single order mainboard spacing hole 601, lower connecting plate bolt hole and provides precompressed
Power.When external force has been more than sliding power, single order mainboard 4 goes up friction plate 3 relatively, lower friction plate 5 produces slip relatively, consumes energy.
As shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13.Second order friction element by angle steel A7, angle steel B8, rub
Wiping board 9, second order mainboard 10, second order high-strength bolt 12 form.Friction plate 9 is respectively embedded into angle steel A groove 901 and angle steel B groove
1001, and cement with epoxide-resin glue, accompanying second order mainboard 10 between friction plate 9, non-recessing part accompanies backing plate 12.Second order
High-strength bolt 11 is each passed through coaxial angle steel A bolt hole 902, angle steel B bolt hole 1001, friction plate 9 bolt hole 1301, second order
Mainboard spacing hole 1201.Angle steel A7, angle steel B8, friction plate 9, second order mainboard 10 are connected and provide precompression.The most high-strength spiral shell
Bolt 11, through angle steel A bolt hole 902, angle steel B bolt hole 1001, backing plate bolt hole 1101, connects, purpose make angle steel A7,
Angle steel B 8 collaborative work.
Single order friction element entirety is inserted into second order friction element non-recessing side 120mm, and by non-to angle steel A, angle steel B
Recessing side bottom welds connect single order friction element and second order friction with single order friction element upper junction plate 2, lower connecting plate 6
Unit.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, upper junction plate 2 constructs identical with lower connecting plate 6.Upper friction plate 3 with under
Friction plate 3 constructs identical.
As shown in Fig. 6, Figure 12, single order mainboard spacing hole 601, second order mainboard spacing hole 1201, equivalently-sized, total length 34mm
The a diameter of 14.5mm of two ends semi arch, its size determines spacing displacement size, and energy dissipation capacity is how many.Upper junction plate bolt hole
502, angle steel A bolt hole 902, angle steel B bolt hole 1002, backing plate bolt hole 1101, friction plate bolt hole 1301 is equivalently-sized, directly
Footpath is 14.5mm.
Upper friction plate 3, lower friction plate 5, friction plate 9 all use asbestos less friction plate, and thickness is 3mm.
As shown in Fig. 5, Fig. 9, Figure 10, upper junction plate 2 groove 501, lower connecting plate 6 groove, respectively one layer of asphalt mixtures modified by epoxy resin of brushing
Fat glue, upper friction plate 3 is embedded upper junction plate 2 groove 502, lower friction plate 5 embeds lower connecting plate 6 groove.In like manner, angle steel A
Groove 901, angle steel B groove 1001, all one layer of epoxide-resin glue of brushing, then friction plate 9 is embedded into angle steel A groove 901, angle steel
B groove 1001.
As shown in figure 11, single order mainboard 2 end and the upper support 14 of second order frcition damper are bolted, top
Support 14 and steel column 16 weld, and second order mainboard 10 end and the lower support 17 of second order frcition damper are bolted, under
Portion's support 17 and girder steel 13 weld.
Compared with conventional friction antivibrator, this antivibrator, by series connection single order, second order friction element, considerably increases damping
Device consumes energy.Conventional friction antivibrator can only consume energy under macroseism, often provides greater stiffness to recurrent medium and small shake, increases
Geological process, increases structural earthquake acceleration sometimes, brings discomfort.This antivibrator can pass through high-strength bolt precompression,
Regulate sliding power.Starting single order friction element under middle or small shake effect, during big shake, single order friction element and second order friction element are simultaneously
Work.
Above-mentioned single order and second order high-strength bolt pretightning force can be divided according to different damping needed for structural seismic when little shake and big shake
Do not determine.
The shock-dampening method using second order frcition damper comprises the steps:
The most first assemble single order friction element, single order high-strength bolt 1, upper junction plate 2, upper friction plate 3, single order mainboard 4, under rub
Wiping board 5 and lower connecting plate 6 constitute single order friction element, and single order mainboard 4 is positioned in the middle of upper junction plate 2, lower connecting plate 6, upper friction
Plate 3, lower friction plate 5 are pasted on upper junction plate groove 501 and lower connecting plate groove, single order high-strength bolt respectively with epoxy resin
1, through coaxial upper junction plate bolt hole 502, single order mainboard spacing hole 601, lower connecting plate bolt hole, is executed by nut
Plus-pressure regulates the friction damping force of single order friction element.
The most then second order friction element, angle steel A7, angle steel B8, friction plate 9, second order mainboard 10, second order high-strength bolt are assembled
11 and backing plate 12 constitute second order friction element, second order mainboard 10 is sandwiched between angle steel A7, angle steel B8, and friction plate 9 uses asphalt mixtures modified by epoxy resin
Fat is pasted in angle steel A groove 901 and angle steel B groove 1001, second order high-strength bolt 11 through coaxial angle steel A bolt hole 902,
Angle steel B bolt hole 1002, friction plate bolt hole 1301 and two grades of mainboard spacing holes 1201 connect, meanwhile, and angle steel A7, described angle steel
B8 non-recessing side accompanies described backing plate 12, and second order high-strength bolt 11 is through this side angle steel A bolt hole 902, angle steel B bolt hole
1002 and backing plate bolt hole 1101 connect, apply pressure by nut and regulate the friction damping force of second order friction element.
3. single order friction element and second order friction element are welded, reach connect single order friction element and second order friction element
Purpose.
4. single order mainboard 2 end and the upper support 14 of second order frcition damper are bolted, upper support 14
Welding with steel column 16, second order mainboard 10 end and the lower support 17 of second order frcition damper are bolted, lower support
17 and girder steel 13 weld.
5. regulation single order friction element single order high-strength bolt 1 pretightning force and second order friction element second order high-strength bolt 11 pretension
Power, the corresponding little shake load of single order high-strength bolt 1 pretightning force, second order high-strength bolt 11 pretightning force correspondence shakes greatly load.
6., when external force has rubbed sliding power less than single order, single order friction element is not actuated.
7. when external force more than or equal to single order rub sliding power and be less than second order rubbed cunning power time, one-level mainboard 4 is relative
Upper friction plate 3 and lower friction plate 5 move, and one-level mainboard 4 is under single order mainboard spacing hole 601 limits with single order high-strength bolt 1
Linearly move back and forth.Single order friction means starts, and consumes energy.
8., when external force has rubbed sliding power more than or equal to second order, two grades of mainboard 10 Relative friction plates 9 move, two grades of mainboards 10
Linearly moving back and forth under second order mainboard spacing hole 601 limits with second order high-strength bolt 11, single order and second order friction element are same
Time power consumption.
Claims (1)
1. a second order frcition damper, it is characterised in that including: single order high-strength bolt (1), upper junction plate (2), upper friction plate
(3), single order mainboard (4), lower friction plate (5), lower connecting plate (6), angle steel A (7), angle steel B (8), friction plate (9), second order mainboard
(10), second order high-strength bolt (11) and backing plate (12)；
Described single order high-strength bolt (1), described upper junction plate (2), described upper friction plate (3), described single order mainboard (4), described
Lower friction plate (5) and described lower connecting plate (6) constitute single order friction element, and described single order mainboard (4) is positioned at described upper junction plate
(2), in the middle of described lower connecting plate (6), described upper friction plate (3), described lower friction plate (5) epoxy resin are pasted on respectively
Connecting plate groove (501) and lower connecting plate groove, described single order high-strength bolt (1) is through coaxial upper junction plate bolt hole
(502), single order mainboard spacing hole (601), lower connecting plate bolt hole, applying pressure by nut, to regulate single order friction single
The friction damping force of unit；
Described angle steel A (7), described angle steel B (8), described friction plate (9), described second order mainboard (10), described second order high-strength bolt
(11) and backing plate (12) constitute second order friction element, described second order mainboard (10) is sandwiched in described angle steel A (7), described angle steel B (8)
Between, described friction plate (9) uses epoxy resin to be pasted in angle steel A groove (901) and angle steel B groove (1001), and described two
Rank high-strength bolt (11) is through coaxial angle steel A bolt hole (902), angle steel B bolt hole (1002), friction plate bolt hole (1301)
And two grades of mainboard spacing holes (1201) connect, meanwhile, described angle steel A (7), described angle steel B (8) non-recessing side accompany described pad
Plate (12), described second order high-strength bolt (11) is through this side angle steel A bolt hole (902), angle steel B bolt hole (1002) and backing plate spiral shell
Keyhole (1101) connects, and applies pressure by nut and regulates the friction damping force of second order friction element；
Angle steel A (7), angle steel B (8) are welded with upper junction plate (2), lower connecting plate (6), reaches single order friction element and two of connecting
The purpose of rank friction element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769692.0U CN205875865U (en) | 2016-07-19 | 2016-07-19 | Second order friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769692.0U CN205875865U (en) | 2016-07-19 | 2016-07-19 | Second order friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205875865U true CN205875865U (en) | 2017-01-11 |
Family
ID=57698358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620769692.0U Withdrawn - After Issue CN205875865U (en) | 2016-07-19 | 2016-07-19 | Second order friction damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205875865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013922A (en) * | 2016-07-19 | 2016-10-12 | 天津职业技术师范大学 | Double-phase friction damper and damping method thereof |
-
2016
- 2016-07-19 CN CN201620769692.0U patent/CN205875865U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013922A (en) * | 2016-07-19 | 2016-10-12 | 天津职业技术师范大学 | Double-phase friction damper and damping method thereof |
| CN106013922B (en) * | 2016-07-19 | 2018-01-19 | 天津职业技术师范大学 | A kind of second order frcition damper and shock-dampening method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180119 |