CN203654508U - Semicircular back-to-back type bending moment damper - Google Patents
Semicircular back-to-back type bending moment damper Download PDFInfo
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- CN203654508U CN203654508U CN201320749534.5U CN201320749534U CN203654508U CN 203654508 U CN203654508 U CN 203654508U CN 201320749534 U CN201320749534 U CN 201320749534U CN 203654508 U CN203654508 U CN 203654508U
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Abstract
The utility model relates to a building damper, in particular to a semicircular back-to-back type bending moment damper. Two semicircular soft steel rotary pieces (1) are placed in a back-to-back mode, the two sides of the two semicircular soft steel rotary pieces (1) are fixedly clamped by friction systems through center rotary axis bolts (5) and guide rail bolts (6), each friction system is composed of a double-circular friction lead guide rail (2) and a rectangular fixing friction lead disc (3), a center rotary axis bolt hole (7) is formed in the symmetrical axis of each semicircular soft steel rotary piece (1), the two sides of the semicircular soft steel rotary pieces (1) are respectively provided with one double-circular friction lead guide rail (2), each double-circular friction lead guide rail (2) is formed by two circular parts same in size in an intersected mode, and the circle centers of the circular parts are the circle centers of the two center rotary axis bolt holes (7) in the two semicircular soft steel rotary pieces (1). The friction energy dissipation semicircular back-to-back type bending moment damper used for building structure vibration control has the advantages of being simple in structure, explicit in force transmission, high in response speed, high in stability, adjustable in friction energy dissipation capacity and convenient to install.
Description
Technical field
The utility model relates to a kind of building damper, particularly relates to a kind of semi-circular opposite type moment of flexure damper.
Background technology
The mechanism that can produce sliding friction that frcition damper is made up of under certain pretightning force metallic combination member and friction plate, utilizes sliding friction acting dissipation energy.Under the pre-constant load of damper before the surrender of primary structure member, produce slippage or distortion, rely on friction or Damping work seismic energy.Meanwhile, because lengthen natural vibration period after malformation, reduce earthquake input, thereby reached the object that reduces structural seismic response.Such damper has typical coulomb of characteristic, and under course under cyclic loading, energy dissipation capacity is strong, stable work in work, and degradation phenomena is not obvious, and load, frequency and load mode are also less to its performance impact.
Metal damper is that while utilizing earthquake, metal material surrender enters plasticity, produces hysteresis distortion dissipation energy, thereby reaches the object of damping.Be characterized in thering is stable hysteretic characteristic, good anti-low cycle fatigue property and be not subject to impact of environment temperature etc.Metal current damper mainly comprises three classes: mild steel yielding damper, lead extrusion damper and memory alloy damper.Mild steel has performance after good surrender, and under little shake effect, steel plate is elastic deformation; Under severe earthquake action, steel plate is elastic-plastic deformation, for structure provides certain adhering to rigidity and adhere to damping, can effectively reduce the earthquake response of framework.Mild steel yielding damper take full advantage of after mild steel enters the plastic stage, there is good hysteretic characteristic, good low cycle fatigue property, long-term reliability and be not subject to the features such as environment, temperature affect, be a kind of up-and-coming energy consumer.Lead damper is that a kind of energy-dissipating property is superior, simple structure, energy-consumption shock-absorption device easy to make.Lead has low rigidity, makes it have higher flexibility and ductility; In deformation process, can absorb a large amount of energy, and have good distortion follow-up control, in plumbous physical property, the combination of high density, low rigidity and high damping can become noise elimination and damping, shockproof excellent materials.Research and develop at present polytype lead damper, mainly contained: lead extrusion damper, lead shear damper, plumbous node damping device, cylindrical lead damper, special-shaped lead damper etc.
Summary of the invention
The purpose of this utility model is to provide a kind of semi-circular opposite type moment of flexure damper, this damper is the semi-circular mild steel tumbler back to placement that is kept certain distance by two of outside friction member inner clips, in the time that the rich center rotating axle bolt of semi-circular mild steel tumbler rotates, with outside friction member Crossed Circle rub plumbous guide rail and rectangle fixed friction lead pan generation frictional movement, consumed energy, have that simple structure, power transmission are clear and definite, introspection rapidly, feature that stability is strong.
The purpose of this utility model is achieved through the following technical solutions:
Semi-circular opposite type moment of flexure damper, damper is by semi-circular mild steel tumbler, the Crossed Circle plumbous guide rail that rubs, rectangle fixed friction lead pan, hollow out guiding arc, center rotating axle bolt, guide rail bolt, center rotating shaft bolt hole, guide rail bolt hole, end fixed bolt hole, lead pan turning cylinder bolt hole, double-circul type friction lead pan, circular friction lead pan member composition, two semi-circular mild steel tumblers are back to placement, its both sides are respectively fixed to clamp by center rotating axle bolt and guide rail bolt by the Crossed Circle friction system that plumbous guide rail and rectangle fixed friction lead pan form that rubs, two semi-circular mild steel tumblers are 2(1-cos θ back to placing the two spacing) (r-a), wherein r is the outer rim radius of semi-circular mild steel tumbler, a is the half of ring width, θ is maximum rotation angle, on each semi-circular mild steel tumbler axis of symmetry, have center rotating shaft bolt hole, this hole, in Ban Kuan center, is provided with 2 guide rail bolts hole and 4 end fixed bolt holes on each semi-circular mild steel tumbler, semi-circular mild steel tumbler both sides are respectively provided with a Crossed Circle plumbous guide rail that rubs, this guide rail is to be intersected and formed by two measure-alike annulars, two annular home positions overlap with two center rotating shaft bolt hole centers of circle on two semi-circular mild steel tumblers, be that the center of circle is at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler, a is the half of ring width, θ is maximum rotation angle, the Crossed Circle plumbous guide rail that rubs is provided with 4 hollow outs guiding arcs, and two hollow outs guiding arcs on every side ring are all take the center of circle of this side ring as the center of circle, the corresponding central angles of four hollow outs guiding arc are 2 θ, and θ is maximum rotation angle, and four guide rail bolts are positioned at the center of four hollow outs guiding arcs when original state, semi-circular mild steel tumbler both sides are also respectively provided with a rectangle fixed friction lead pan, and this rectangle fixed friction lead pan is in the rub inner side of plumbous guide rail of Crossed Circle, on this rectangle fixed friction lead pan, there are two lead pan turning cylinder bolts hole, its position overlaps with two center rotating shaft bolts hole on two semi-circular mild steel tumblers, the two bolt hole centers of circle are at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler, a is the half of ring width, θ is maximum rotation angle.
Described semi-circular opposite type moment of flexure damper, rub plumbous guide rail and rectangle fixed friction lead pan of described damper rubbing device Crossed Circle is made up of double-circul type friction lead pan.
Described semi-circular opposite type moment of flexure damper, described double-circul type friction lead pan is that two the same disks of size join and form, the desirable 2 r(1-cos θ of every side radius of a circle)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler; A is the half of ring width; θ is maximum rotation angle, and two round distances are in the heart also 2 r(1-cos θ)+2acos θ, respectively have a lead pan turning cylinder bolt hole at two circle centre positions, the lead pan turning cylinder bolt hole on this double-circul type friction lead pan overlaps with the center rotating shaft bolt hole on two semi-circular mild steel tumblers.
Described semi-circular opposite type moment of flexure damper, on described double-circul type friction lead pan, there are four hollow out guiding arcs, the center of circle that two hollow outs guiding arcs on every side circle are all justified take this side is as the center of circle, four corresponding central angles of hollow out guiding arc are 2 θ, θ is maximum rotation angle, and four guide rail bolts are positioned at the center of four hollow outs guiding arcs when original state.
Described semi-circular opposite type moment of flexure damper, rub plumbous guide rail and rectangle fixed friction lead pan of described Crossed Circle is made up of circle friction lead pan.
Described semi-circular opposite type moment of flexure damper, has two lead pan turning cylinder bolts hole and four hollow out guiding arcs on described circular friction lead pan.
Advantage of the present utility model and effect are:
The utility model damper is the semi-circular mild steel tumbler back to placement that is kept certain distance by two of outside friction member inner clips, in the time that the rich center rotating axle bolt of semi-circular mild steel tumbler rotates, with outside friction member Crossed Circle rub plumbous guide rail and rectangle fixed friction lead pan generation frictional movement, consumed energy.The bolt pretightening that its energy dissipation capability can rub on plumbous guide rail and rectangle fixed friction lead pan by change Crossed Circle regulates.Its rotation amplitude peak also can be set by two semi-circular mild steel tumbler spacing and hollow out guiding arc arc length simultaneously.This damper structure is simple, power transmission clear and definite, introspection is rapid, stability is strong, friction energy-dissipating ability is adjustable, be convenient to installation.
Accompanying drawing explanation
Fig. 1 is this invention original state schematic diagram;
Fig. 2 is this invention ultimate deformation view;
Fig. 3 is Fig. 1 side elevation schematic diagram;
Fig. 4 is semi-circular mild steel tumbler schematic diagram;
Fig. 5 is the Crossed Circle plumbous guide rail schematic diagram that rubs;
Fig. 6 is rectangle fixed friction lead pan schematic diagram;
Fig. 7 is form two schematic diagrames of this invention;
Fig. 8 is double-circul type friction lead pan schematic diagram;
Fig. 9 is form three schematic diagrames of this invention;
Figure 10 is circular friction lead pan schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is described in further detail.
Parts in figure: 1 semi-circular mild steel tumbler; The 2 Crossed Circles plumbous guide rail that rubs; 3 rectangle fixed friction lead pans; 4 hollow out guiding arcs; 5 center rotating axle bolts; 6 guide rail bolts; 7 center rotating shaft bolts hole; 8 guide rail bolts hole; 9 end fixed bolt holes; 10 lead pan turning cylinder bolts hole; 11 double-circul type friction lead pans; 12 circular friction lead pans.
The utility model is made up of following part: semi-circular mild steel tumbler 1, Crossed Circle rub plumbous guide rail 2, rectangle fixed friction lead pan 3, hollow out guiding arc 4, center rotating axle bolt 5, guide rail bolt 6, double-circul type friction lead pan 11, circular friction lead pan 12.Two semi-circular mild steel tumblers 1 are back to placement, and its both sides are respectively fixed to clamp by center rotating axle bolt 5 and guide rail bolt 6 by the Crossed Circle friction system that plumbous guide rail 2 and rectangle fixed friction lead pan 3 form that rubs.Wherein rub plumbous guide rail 2 and rectangle fixed friction lead pan 3 of rubbing device Crossed Circle also can be replaced by rub lead pan 11 or circular friction lead pan 12 of double-circul type, is the second form and the third form of this invention.Two semi-circular mild steel tumblers 1 are back to placement, and a fixed gap is left in centre, and two semi-circular mild steel tumblers 1 will keep certain distance, and this distance is 2(1-cos θ) (r-a), wherein r is the outer rim radius of semi-circular mild steel tumbler 1; A is the half of ring width; θ is maximum rotation angle.On each semi-circular mild steel tumbler 1 axis of symmetry, have center rotating shaft bolt hole 7, this hole is in Ban Kuan center.Plate rotates as the center of circle take center rotating shaft bolt hole 7 separately respectively, in addition on each semi-circular mild steel tumbler 1, be also provided with 8 and 4 end fixed bolt holes 9 of 2 guide rail bolts hole, be respectively used to intert bolt apply bolt pretightening increase friction and fixing damper on building structure.Respectively there is a Crossed Circle plumbous guide rail 2 that rubs semi-circular mild steel tumbler 1 both sides, this guide rail is to be intersected and formed by two measure-alike annulars, two annular home positions overlap with two center rotating shaft bolt hole 7 centers of circle on two semi-circular mild steel tumblers 1, be that the center of circle is at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler 1; A is the half of ring width; θ is maximum rotation angle.The Crossed Circle plumbous guide rail 2 that rubs has 4 hollow outs guiding arcs 4, and two hollow outs guiding arcs 4 on every side ring are all take the center of circle of this side ring as the center of circle.Four corresponding central angles of hollow out guiding arc 4 are 2 θ, and θ is maximum rotation angle.And when original state, four guide rail bolts 6 are positioned at the center of four hollow outs guiding arcs 4.Apply pretightning force by four guide rail bolts 6 on plumbous guide rail 2 that Crossed Circle is rubbed, semi-circular mild steel tumbler 1 and Crossed Circle are rubbed and between plumbous guide rail 2, have contact.In the time that the rich center rotating axle bolt 5 of semi-circular mild steel tumbler 1 rotates, guide rail bolt 6 also does the rotation of equal angular, mobile friction energy-dissipating along hollow out guiding arc 4 take center rotating axle bolt 5 as the center of circle.Bolt pretightening can regulate according to actual conditions simultaneously.Also respectively there is a rectangle fixed friction lead pan 3 semi-circular mild steel tumbler 1 both sides, and this rectangle fixed friction lead pan 3 is in the rub inner side of plumbous guide rail 2 of Crossed Circle, on this rectangle fixed friction lead pan 3, there are two lead pan turning cylinder bolts hole 10, its position overlaps with two center rotating shaft bolts hole 7 on two semi-circular mild steel tumblers 1, the two bolt hole centers of circle are at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler 1; A is the half of ring width; θ is maximum rotation angle.This rectangle fixed friction lead pan 3 retrains the relative displacement of two semi-circular mild steel tumblers 1 by center rotating axle bolt 5, by center rotating shaft bolt 5 being applied to the bolt pretightening needing, make semi-circular mild steel tumbler 1 and rectangle fixed friction lead pan 3 friction occur and consumed energy simultaneously.The second form of this invention is to replace Crossed Circle rub plumbous guide rail 2 and rectangle fixed friction lead pan 3 with double-circul type friction lead pan 11.The third form is to replace Crossed Circle rub plumbous guide rail 2 and rectangle fixed friction lead pan 3 with circular friction lead pan 12.Double-circul type friction lead pan 11 is that two the same disks of size join and form, the desirable 2 r(1-cos θ of every side radius of a circle)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler 1; A is the half of ring width; θ is maximum rotation angle.And two round distances are in the heart also 2 r(1-cos θ)+2acos θ, respectively have a lead pan turning cylinder bolt hole 10 at two circle centre positions, the lead pan turning cylinder bolt hole 10 on this double-circul type friction lead pan 11 overlaps with the center rotating shaft bolt hole 7 on two semi-circular mild steel tumblers 1.On double-circul type friction lead pan 11, have four hollow outs guiding arcs 4, two hollow outs guiding arcs 4 on every side circle are all take the round center of circle of this side as the center of circle simultaneously.Four corresponding central angles of hollow out guiding arc 4 are 2 θ, and θ is maximum rotation angle.And when original state, four guide rail bolts 6 are positioned at the center of four hollow outs guiding arcs 4.Circular friction lead pan 12, has two lead pan turning cylinder bolts hole 10 and four hollow out guiding arcs 4 on it.It is identical with hollow out guiding arc 4 with the lead pan turning cylinder bolt hole 10 of double-circul type friction lead pan 11.The utility model is determined each scantling according to actual requirement of engineering, after the manufacturing, by semi-circular mild steel tumbler 1, Crossed Circle rub plumbous guide rail 2, rectangle fixed friction lead pan 3, double-circul type friction lead pan 11, the 12 surface finish polishings of circular friction lead pan.Two semi-circular mild steel tumblers 1 are back to placement, its both sides are respectively with a rectangle fixed friction lead pan 3 or lead pan turning cylinder bolt hole 10, or double-circul type friction lead pan 11, by the lead pan turning cylinder bolt hole 10 center rotating shaft bolt hole 7 that aligns, fixing with two center rotating axle bolts 5, be placed on semi-circular mild steel tumbler 1 both sides guide rail bolt 6 through hollow out guiding arc 4 and guide rail bolt hole 8 at plumbous guide rail 2 that two Crossed Circles are rubbed.Make each parts relative position in initial position as shown in the figure, and then center rotating shaft bolt 5, guide rail bolt 6 are applied to required pretightning force.Finally by end fixed bolt hole 9, damper is fixed on architectural, install complete.
Claims (6)
1. semi-circular opposite type moment of flexure damper, damper is by semi-circular mild steel tumbler (1), the Crossed Circle plumbous guide rail (2) that rubs, rectangle fixed friction lead pan (3), hollow out guiding arc (4), center rotating axle bolt (5), guide rail bolt (6), center rotating shaft bolt hole (7), guide rail bolt hole (8), end fixed bolt hole (9), lead pan turning cylinder bolt hole (10), double-circul type friction lead pan (11), circular friction lead pan (12) member composition, it is characterized in that, two semi-circular mild steel tumblers (1) are back to placement, its both sides are respectively fixed to clamp by center rotating axle bolt (5) and guide rail bolt (6) by the Crossed Circle friction system that plumbous guide rail (2) and a rectangle fixed friction lead pan (3) form that rubs, two semi-circular mild steel tumblers (1) are 2(1-cos θ back to placing the two spacing) (r-a), wherein r is the outer rim radius of semi-circular mild steel tumbler (1), a is the half of ring width, θ is maximum rotation angle, on each semi-circular mild steel tumbler (1) axis of symmetry, have center rotating shaft bolt hole (7), this hole, in Ban Kuan center, is provided with 2 guide rail bolts hole (8) and 4 end fixed bolt holes (9) on each semi-circular mild steel tumbler (1), semi-circular mild steel tumbler (1) both sides are respectively provided with a Crossed Circle plumbous guide rail (2) that rubs, this guide rail is to be intersected and formed by two measure-alike annulars, two annular home positions overlap with two upper two the center rotating shaft bolts hole of semi-circular mild steel tumbler (1) (7) centers of circle, be that the center of circle is at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler (1), a is the half of ring width, θ is maximum rotation angle, the Crossed Circle plumbous guide rail (2) that rubs is provided with 4 hollow outs guiding arcs (4), and two the hollow outs guiding arcs (4) on every side ring are all take the center of circle of this side ring as the center of circle, the corresponding central angles of four hollow outs guiding arc (4) are 2 θ, and θ is maximum rotation angle, and four guide rail bolts (6) are positioned at the center of four hollow outs guiding arcs (4) when original state, semi-circular mild steel tumbler (1) both sides are also respectively provided with a rectangle fixed friction lead pan (3), and this rectangle fixed friction lead pan (3) is in the rub inner side of plumbous guide rail (2) of Crossed Circle, on this rectangle fixed friction lead pan (3), there are two lead pan turning cylinder bolts hole (10), its position overlaps with two upper two the center rotating shaft bolts hole of semi-circular mild steel tumbler (1) (7), the two bolt hole centers of circle are at a distance of 2 r(1-cos θ)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler (1), a is the half of ring width, θ is maximum rotation angle.
2. semi-circular opposite type moment of flexure damper according to claim 1, is characterized in that, rub plumbous guide rail (2) and rectangle fixed friction lead pan (3) of described damper rubbing device Crossed Circle is made up of double-circul type friction lead pan (11).
3. semi-circular opposite type moment of flexure damper according to claim 2, it is characterized in that, described double-circul type friction lead pan (11) is that two the same disks of size join and form, the desirable 2 r(1-cos θ of every side radius of a circle)+2acos θ, wherein r is the outer rim radius of semi-circular mild steel tumbler (1); A is the half of ring width; θ is maximum rotation angle, and two round distances are in the heart also 2 r(1-cos θ)+2acos θ, respectively have a lead pan turning cylinder bolt hole (10) at two circle centre positions, the lead pan turning cylinder bolt hole (10) on this double-circul type friction lead pan (11) overlaps with the center rotating shaft bolt hole (7) on two semi-circular mild steel tumblers (1).
4. semi-circular opposite type moment of flexure damper according to claim 3, it is characterized in that, on described double-circul type friction lead pan (11), there are four hollow out guiding arcs (4), the center of circle that two hollow outs guiding arcs (4) on every side circle are all justified take this side is as the center of circle, four corresponding central angles of hollow out guiding arc (4) are 2 θ, θ is maximum rotation angle, and four guide rail bolts (6) are positioned at the center of four hollow outs guiding arcs (4) when original state.
5. semi-circular opposite type moment of flexure damper according to claim 1, is characterized in that, rub plumbous guide rail (2) and rectangle fixed friction lead pan (3) of described Crossed Circle is made up of circle friction lead pan (12).
6. semi-circular opposite type moment of flexure damper according to claim 5, is characterized in that, has two lead pan turning cylinder bolts hole (10) and four hollow out guiding arcs (4) on described circular friction lead pan (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749534.5U CN203654508U (en) | 2013-11-25 | 2013-11-25 | Semicircular back-to-back type bending moment damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320749534.5U CN203654508U (en) | 2013-11-25 | 2013-11-25 | Semicircular back-to-back type bending moment damper |
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| Publication Number | Publication Date |
|---|---|
| CN203654508U true CN203654508U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320749534.5U Withdrawn - After Issue CN203654508U (en) | 2013-11-25 | 2013-11-25 | Semicircular back-to-back type bending moment damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603441A (en) * | 2013-11-25 | 2014-02-26 | 辽宁工业大学 | Semicircular back-to-back bending moment damper |
-
2013
- 2013-11-25 CN CN201320749534.5U patent/CN203654508U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603441A (en) * | 2013-11-25 | 2014-02-26 | 辽宁工业大学 | Semicircular back-to-back bending moment damper |
| CN103603441B (en) * | 2013-11-25 | 2016-03-16 | 辽宁工业大学 | Semicircular back-to-back moment of flexure damper |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20160316 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |