CN102374250A - Composite tube adjustable friction damper - Google Patents
Composite tube adjustable friction damper Download PDFInfo
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- CN102374250A CN102374250A CN2011103203697A CN201110320369A CN102374250A CN 102374250 A CN102374250 A CN 102374250A CN 2011103203697 A CN2011103203697 A CN 2011103203697A CN 201110320369 A CN201110320369 A CN 201110320369A CN 102374250 A CN102374250 A CN 102374250A
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- Vibration Dampers (AREA)
Abstract
The invention provides a composite tube adjustable friction damper, relating to a vibration control device of an architectural structure. The damper comprises a round outer cylinder, a friction adjusting screw rod, a friction adjusting nut, a pull-push joint, a fixed plate, a fixed plate screw hole, a round inner cylinder, an end plate and a double-faced friction opening cylinder, wherein a multilayer double-faced friction opening cylinder is arranged between the round outer cylinder and the round inner cylinder; the inside of the round cylinder is provided with a friction plate, and the outside of the round inner cylinder is provided with a friction plate; both inside and outside of the double-faced friction opening cylinder are provided with the friction plates; and the friction adjusting screw rod penetrates out of the round outer cylinder from the round inner cylinder via the double-faced friction opening cylinder. The damper provided by the invention has the advantages of large adjustable range, high working stability, even and stable whole system stress, simple structure and economical and practical values; materials are saved and an energy dissipation system is stably and effectively ensured; and the damper can not only be used for a seismic design of new constructional engineering, but also for the strengthening and maintaining of established engineering.
Description
Technical field
The present invention relates to a kind of building structure vibrations control gear, particularly relate to a kind of for building compound tube adjustable friction damper of building structure vibrations control.
Background technique
Frcition damper is as a kind of energy-dissipating device, and because of its energy dissipation capacity is strong, load is big or small, frequency is little to its performance impact, and simple structure, draws materials easily, and is cheap, thereby has good application prospects.Particularly aspect nearly fault earthquake reaction of control structure and the structural seismic response on the middle and senior level unique advantage is being arranged.The mechanism that frcition damper carries out vibration control to structure is: produce slippage or distortion under the predetermined load of damper before the surrender of main structure member; Rely on friction or damping dissipation seismic energy; Simultaneously; Because extend natural vibration period after the malformation, reduced the earthquake input, thereby reach the purpose that reduces structural seismic response.The development of frcition damper starts from late 1970s, and for adapting to dissimilar building structure, Chinese scholars has been developed multiple frcition damper successively subsequently, and its frictional force size is easy to control, can confirm through regulating the pretightening force size easily.At present, the frcition damper of research and development mainly contains: common frcition damper, Pall frcition damper, Sumitomo frcition damper, fricting shearing hinge damper, slide type slotted hole bolt node damper, T core plate frcition damper, plan viscous friction damper, multi-stage friction damper and some friction composite energy dissipation devices.
If the power that frcition damper provides is excessive, just need to improve positive pressure, therefore can cause the parameters calculated error bigger, also cause the power consumption effect significantly to reduce easily, and also cause the inefficacy of device easily.Therefore need carry out further perfectly to frcition damper, mainly can improve the reliability of damper through improving the rubbing surface area.
Summary of the invention
The object of the present invention is to provide a kind of compound tube adjustable friction damper, mainly for the energy dissipation capacity that improves frcition damper and improve its reliability.Through increasing the rubbing surface area, significantly reduce the rubbing surface positive pressure, improve the adjustable extent of damper, increase the stability of its work, fully guarantee structural safety.
The technological scheme that this invention adopts is following:
A kind of compound tube adjustable friction damper; It comprises round urceolus, frictional force adjustment screw rod, frictional force adjustment nut, tension and compression connection, fixed plate, fixed plate screw, circle inner core, end plate and both surface friction opening cylinder; It is characterized in that: round urceolus and circle inner core are set; Multilayer both surface friction opening cylinder is set between the two; Every alternating floor both surface friction opening cylinder is pressed to be connected with a layback and is linked to each other, and all the other both surface friction opening cylinders are connected with the opposite side tension and compression and link to each other, and the tension and compression connection is connected with fixed plate.The circle urceolus arranges evenly in a side that with circle inner core perforate on barrel respectively, perforate opposite side perforate and its are about tube axis symmetry; Both surface friction opening cylinder is untight, and opens big elliptical aperture with the circle urceolus and the tube wall opening position relative position of circle inner core, transverse and tube parallel axes.Circle urceolus inboard is provided with friction plate, circle inner core arranged outside friction plate, and the inside and outside both sides of both surface friction opening cylinder all are provided with friction plate, and frictional force adjustment screw rod passes round urceolus from the circle inner core through both surface friction opening cylinder.One side of every layer of both surface friction opening cylinder all has 4 tension and compression to connect, and 4 tension and compression connect to be connected each other by two contact ribs respectively forms " ten " font, and one of them contact rib lengthening becomes fixed plate.
Advantage of the present invention is: the adjustable extent of damper is big, and working stability is high, and stressed even, stable, the saving material of whole system guarantee the power consumption system again firmly, effectively, and simple structure is economical and practical.The earthquake resistant design that both can be used for the new building engineering also can be used for the reinforcing maintenance of existing engineering.
Description of drawings
Fig. 1 is the compound tube of the present invention adjustable friction damper front elevational schematic.
Fig. 2 is the compound tube of the present invention adjustable friction damper schematic side view.
Fig. 3 is the A-A sectional drawing of Fig. 2.
Among the figure, 1 is the circle urceolus; 2 are frictional force adjustment screw rod; 3 are frictional force adjustment nut; 4 are the tension and compression connection; 5 is fixed plate; 6 is the fixed plate screw; 7 are the circle inner core; 8 is end plate; 9 is both surface friction opening cylinder.
Embodiment
Below in conjunction with technological scheme with reference to accompanying drawing the present invention is elaborated.
The compound tube adjustable friction damper that the present invention proposes such as Fig. 1 ~ shown in Figure 3.Whole device mainly is made up of circle urceolus 1, frictional force adjustment screw rod 2, frictional force adjustment nut 3, tension and compression connection 4, fixed plate 5, fixed plate screw 6, circle inner core 7, end plate 8 and both surface friction opening cylinder 9 etc.
Make circle urceolus 1 and circle inner core 2, and perforate on request, according to the both surface friction opening cylinder 9 of concrete sized different layers; One face down bonding of every alternating floor both surface friction opening cylinder connects 4 tension and compression and connects 4; Be welded on the end uniformly, remainder layer both surface friction opening cylinder 9 connects in opposite side welding tension and compression, makes the ring-type end plate and the perforate of end plate with the circle urceolus of circle inner core 1; Welded end plate 8 is welded fixed plate 6 after the group respectively.
Claims (4)
1. compound tube adjustable friction damper; It comprises round urceolus, frictional force adjustment screw rod, frictional force adjustment nut, tension and compression connection, fixed plate, fixed plate screw, circle inner core, end plate and both surface friction opening cylinder; It is characterized in that: round urceolus (1) and circle inner core (7) are set; Multilayer both surface friction opening cylinder (9) is set between the two; Every alternating floor both surface friction opening cylinder (9) is connected (4) with layback pressure and links to each other, and all the other both surface friction opening cylinders (9) are connected (4) and link to each other with the opposite side tension and compression, and tension and compression connect (4) and are connected with fixed plate (5).
2. compound tube adjustable friction damper according to claim 1 is characterized in that: circle urceolus (1) and the perforate on barrel respectively of circle inner core (7), perforate arrange evenly that in a side opposite side perforate and its are about tube axis symmetry; Both surface friction opening cylinder (9) is untight, and opens big elliptical aperture with the tube wall opening position relative position of circle urceolus (1) and circle inner core (7), transverse and tube parallel axes.
3. compound tube adjustable friction damper according to claim 1; It is characterized in that: circle urceolus (1) inboard is provided with friction plate; Circle inner core (7) arranged outside friction plate; The inside and outside both sides of both surface friction opening cylinder (9) all are provided with friction plate, and frictional force adjustment screw rod (2) passes round urceolus (1) from circle inner core (7) through both surface friction opening cylinder (9).
4. compound tube adjustable friction damper according to claim 1; It is characterized in that: a side of every layer of both surface friction opening cylinder (9) all has 4 tension and compression to connect (4); 4 tension and compression connections (4) are connected each other by two contact ribs respectively forms " ten " font, and one of them contact rib lengthening becomes fixed plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103203697A CN102374250A (en) | 2011-10-20 | 2011-10-20 | Composite tube adjustable friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103203697A CN102374250A (en) | 2011-10-20 | 2011-10-20 | Composite tube adjustable friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374250A true CN102374250A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103203697A Pending CN102374250A (en) | 2011-10-20 | 2011-10-20 | Composite tube adjustable friction damper |
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| CN (1) | CN102374250A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160233A (en) * | 1961-09-02 | 1964-12-08 | Rubber And Plastics Res Ass Of | Damping devices including shock absorbers |
| TW499535B (en) * | 2001-10-22 | 2002-08-21 | Lian-Yuan Lu | Semi-active frictional damper |
| TW509743B (en) * | 2001-09-25 | 2002-11-11 | Lian-Yuan Lu | High efficient friction damper |
| JP2005344761A (en) * | 2004-05-31 | 2005-12-15 | Oiles Ind Co Ltd | Friction damper |
| CN1995576A (en) * | 2002-02-21 | 2007-07-11 | 奥依列斯工业株式会社 | Damper and vibration controlling structure using the same |
| CN201053468Y (en) * | 2007-05-25 | 2008-04-30 | 黄秀云 | Modified shearing viscoelasticity damper |
| CN101484722A (en) * | 2006-06-30 | 2009-07-15 | 翁令司工业股份有限公司 | Friction damper |
-
2011
- 2011-10-20 CN CN2011103203697A patent/CN102374250A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160233A (en) * | 1961-09-02 | 1964-12-08 | Rubber And Plastics Res Ass Of | Damping devices including shock absorbers |
| TW509743B (en) * | 2001-09-25 | 2002-11-11 | Lian-Yuan Lu | High efficient friction damper |
| TW499535B (en) * | 2001-10-22 | 2002-08-21 | Lian-Yuan Lu | Semi-active frictional damper |
| CN1995576A (en) * | 2002-02-21 | 2007-07-11 | 奥依列斯工业株式会社 | Damper and vibration controlling structure using the same |
| JP2005344761A (en) * | 2004-05-31 | 2005-12-15 | Oiles Ind Co Ltd | Friction damper |
| CN101484722A (en) * | 2006-06-30 | 2009-07-15 | 翁令司工业股份有限公司 | Friction damper |
| CN201053468Y (en) * | 2007-05-25 | 2008-04-30 | 黄秀云 | Modified shearing viscoelasticity damper |
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Application publication date: 20120314 |