CN201033957Y - Vertical plucking-resistant friction pendulum support - Google Patents
Vertical plucking-resistant friction pendulum support Download PDFInfo
- Publication number
- CN201033957Y CN201033957Y CNU2007201492225U CN200720149222U CN201033957Y CN 201033957 Y CN201033957 Y CN 201033957Y CN U2007201492225 U CNU2007201492225 U CN U2007201492225U CN 200720149222 U CN200720149222 U CN 200720149222U CN 201033957 Y CN201033957 Y CN 201033957Y
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- baffle plate
- steel plate
- chute
- plate
- friction pendulum
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Abstract
The utility model relates to a vertical anti-lifting friction pendulum support, belonging to control field of earthquake isolation and damping in architecture structure, which mainly comprises a lower connecting steel plate (13) with a sliding chute (8) on the upper surface, a sliding block (7), a top cover plate (4) and an anti-lifting baffle (5). The top cover plate (4) comprises an upper connecting steel plate (9) and a lower stop block (10) which are fixedly connected with each other. The hemispherical protrusion on top of the sliding block (7) is matched with the hemispherical groove of the lower stop block (10). The sliding block (7) can slide along the bottom surface of the sliding chute with the drive of the lower stop block (10). Compared with the prior art, the utility model has the advantages of adding the anti-lifting baffle between the upper connecting steel plate (9) and the lower stop block (10), enabling the support to have strong anti-lifting ability in the vertical direction, ensuring the structural safety under the conditions of strong and multi-dimensional earthquakes and wind loads, and having simple structure, easy production and assembly and strong practicability.
Description
Technical field
The utility model relates to a kind of vertically pulling-resistant type friction pendulum support, belongs to building structure earthquake isolation control field.
Background technology
FPS (Friction Pendulum System) claim the friction pendulum system again, is a kind of effective dry friction sliding and shock isolation system, at first proposes in the Dr.Victor Zayas by the U.S. in 1985.The cardinal principle of FPS isolation energy dissipation is that works itself and ground are isolated, and utilizes the vibration period of the design cycle extending structure thing of slide plane, to reduce the power enlarge-effect of structural earthquake effect significantly; In addition, also can utilize the friction between FPS slide plane and the slide block to come a large amount of earthquake energy, realize reducing the purpose of seismic forces input.The method cost of FPS friction pendulum slip shock insulation is low, construction is simple, have very strong supporting capacity, except that the characteristics with general closed planar slip shock isolation system, also has good stable and reset function and resists to put down and turn round ability, and isolating affection is better.FPS can be used as cable stayed bridge column shock absorber and building structure bottom isolator, also can form combined control system so that towering structures such as TV transmission tower are applied further control with structural top TMD (Tuned Mass Damper).At present, the FPS friction pendulum especially in the U.S. and Japan, adopts the building of FPS friction-pendulum shock-insulation system to reach hundreds of seats having obtained application widely aspect building reinforce and the isolation bridge.The earthquake isolating equipment of striding truss roof structure and airport, Turkey Istanbul pyramid roof structure greatly of seattle, u.s.a Seahawks Football Stadium has all adopted friction-pendulum shock-insulation support, can both play good isolating affection.
Existing friction pendulum support structure mainly is made up of three parts: cover plate 1, middle part slide block 2 and bottom chute 3 as described in Figure 1.Slide plane on its cover plate 1 is the recessed ball shape surface that stainless steel material is made, the bottom surface of the middle part slide block 2 that contacts with slide plane is stained with composite friction material, friction material adopts polytetrafluoroethylene (PTFE) more, upper surface at middle part slide block 2 has a joint, and the end face that can guarantee slide block top connecting axle is in slide block maintenance level when spherical surface is slided.Friction pendulum support is arranged between agent structure and its supporting member usually, by the slip of the inner slide block of bearing isolate geological process and utilize slide block and sliding contact surface between the sliding friction power consumption, thereby realize the agent structure shock insulation.
Doctor Zhuan Peng of Beijing University of Technology has analyzed the isolation property of friction pendulum support at spatial mesh structure in its thesis for the doctorate " theory and the experimental study of space net shell structural bearings shock insulation ", studies show that this bearing has good isolating affection, can be applied in the spatial mesh structure.And existing friction-pendulum shock-insulation system is not vertically having the resistance to plucking ability, when the bearing tension, cover plate and slide block break away from easily, and the deadweight of spatial mesh structure roof structure is lighter relatively, under wind load or geological process, the part bearing lost efficacy friction pendulum support vertically may tension causing the top cover plate of friction pendulum support and slide block to break away from, and produced serious consequence.Therefore, friction pendulum support is applied in the space structures, the resistance to plucking of bearing is a problem anxious to be solved.
The utility model content
The purpose of this utility model is in order to overcome the vertical not shortcoming of resistance to plucking of existing friction pendulum support, to have proposed a kind of novel vertically pulling-resistant friction pendulum support of tool resistance to plucking ability.
To achieve these goals, the utility model has been taked following technical scheme.Mainly include down and connect steel plate 13, slide block 7, be provided with chute 8 at the upper surface that connects steel plate 13 down, it is characterized in that: also include top cover plate 4 and resistance to plucking baffle plate 5, top cover plate 4 includes and connects steel plate 9 and following block 10, the two is connected to one, the upper surface of slide block 7 is a hemispherical projections, matches with the hemispherical groove of the soffit of following block 10, and slide block 7 can slide along the bottom surface of chute 8 under the drive of block 10 down.Between last connection steel plate 9 and following block 10, be provided with resistance to plucking baffle plate 5, resistance to plucking baffle plate 5 includes the baffle plate 12 and the short column 11 of annular, short column 11 passes lower baffle plate 10, the one end is fixedlyed connected with the lower surface of baffle plate 12, the other end with under to be connected steel plate 13 fixedly connected, short column 11 leaves the gap in the horizontal direction with lower baffle plate 10.
Described lower baffle plate 10 is " ten " font.
Described short column 11 and lower baffle plate 10 gap in the horizontal direction are greater than the maximum sliding distance of slide block 7 in chute 8.
Medial surface at chute 8 posts bumper rubber 6.
The upper and lower surface of the bottom surface of chute 8, baffle plate 12, on connect the soffit of steel plate 9, down the upper surface of block 10 is the cambered surface with same radius; The summit of two cambered surfaces of the soffit of last connection steel plate 9, the upper surface of baffle plate 12 is in same perpendicular, and promptly all by in the perpendicular of bearing central point, and the vertical distance between two summits is 3～10mm.The cambered surface summit G of the cambered surface summit E of the soffit of baffle plate 12 and the upper surface of following block 10 is in same vertical cylinder, and the vertical distance between the last cambered surface of the vertical distance between the two and the lower camber side of last connection steel plate 9 and baffle plate 12 is identical.
The course of work of pulling-resistant type friction pendulum support is: in any level under severe earthquake action, be arranged on the top cover plate 4 and the chute 8 occurred level relative motions of the friction pendulum support between building superstructure and lower support member, upper cap strip movable slider slides in chute, thereby the horizontal rigidity that has reduced structure has prolonged the cycle of structure, has isolated upwards transmitting of seismic energy; In addition, because the rubbing action between slide block and bottom chute, the bearing seismic energy that in sliding process, also dissipated, thus realize damping.When slide block moves to the chute edge, because the protection of bumper rubber, avoided the damage of slide block to be beneficial to the smooth slip of slide block, protected the safety of bearing.In addition, vertical tension state may appear in the multi-component earthquake excitation undersetting, behind block under the technical program interpolation baffle plate and the cover plate, make the utility model in the multidirectional shock insulation of realization level, also have vertically pulling-resistant ability preferably, and can limit bearing at vertical windup-degree, guaranteed more reliably in the safety of shaking structure under the comprehensive function of multidimensional ground motion doughtily.
Compared with prior art, the utility model improves the structure of traditional friction pendulum support, added block under baffle plate and the cover plate, and bumper rubber, make bearing vertically have very strong resistance to plucking ability, strengthen the safety and the applicability of friction pendulum support, guaranteed to shake doughtily the safety of structure under multi-component earthquake excitation and the wind action.The utility model structure construction is simple, is convenient to make and install, and is practical.
Description of drawings
Fig. 1, traditional friction pendulum support illustraton of model;
Fig. 2 (a), the utility model vertically pulling-resistant friction pendulum support remove goes up connection steel plate vertical view;
Fig. 2 (b), the utility model vertically pulling-resistant friction pendulum support Fig. 2 (a) band connects the steel plate sectional drawing;
Fig. 3, the utility model vertically pulling-resistant friction pendulum support bottom chute vertical view;
Fig. 4, the utility model vertically pulling-resistant friction pendulum support bottom chute and slide block vertical view;
Fig. 5 (a), the utility model vertically pulling-resistant friction pendulum support shutter configuration figure;
Fig. 5 (b), the utility model vertically pulling-resistant friction pendulum support baffle plate profile;
Fig. 6 (a), the utility model vertically pulling-resistant friction pendulum support remove goes up connection steel plate vertical view;
Fig. 6 (b), the utility model vertically pulling-resistant friction pendulum support top cover plate constructional drawing;
Fig. 6 (c), the utility model vertically pulling-resistant friction pendulum support block vertical view;
Among the figure: 1, cover plate, 2, the middle part slide block, 3, the bottom chute, 4, the top cover plate, 5, the resistance to plucking baffle plate, 6, bumper rubber, 7, slide block, 8, chute, 9, on connect steel plate, 10, block down, 11, short column, 12, baffle plate, 13, connect steel plate down, 14, bolt hole.
The specific embodiment
Describe present embodiment in detail below in conjunction with Fig. 2～Fig. 6.
The technical scheme of present embodiment is seen Fig. 2, mainly includes following connection steel plate 13, bumper rubber 6, slide block 7, top cover plate 4 and resistance to plucking baffle plate 5 that upper surface is provided with chute 8.Top cover plate 4 includes and connects steel plate 9 and following block 10, and the two is connected to one, and the top of slide block 7 is hemispherical projections, matches with the hemispherical groove of following block 10, and slide block 7 can slide along the bottom surface of chute 8 under the drive of following block 10.Between last connection steel plate 9 and following block 10, be provided with resistance to plucking baffle plate 5, resistance to plucking baffle plate 5 includes the baffle plate 12 and the short column 11 of annular, short column 11 passes lower baffle plate 10, the one end is fixedlyed connected with the lower surface of baffle plate 12, the other end with under to be connected steel plate 13 fixedly connected, short column 11 leaves the gap in the horizontal direction with lower baffle plate 10.
The main structure and the feature division of each parts are as follows:
(1) structure of chute 8 such as Fig. 2, shown in Figure 3, the radius of chute disc are d, and the slide plane of chute is a cambered surface, and its cambered surface radius is R, and the cambered surface summit is in the center.The radius of slide block 7 is r, and the width of bumper rubber is a, and then the permission slide displacement of bearing is H=d-r-a.The planar dimension of chute depends on that bearing allows slide displacement and slide block radius, and chute thickness is determined by the supporting capacity of bearing.
(2) bumper rubber such as Fig. 2 (b) show, at the medial surface subsides one circle rubber or the plastic glue strip of chute 8, to prevent at larger earthquake effect sliding block 7 and chute 8 edges strong collision taking place, the integrality of protection slide block 7 can be slided slide block 7 smoothly in chute 8.
(3) position of slide block 7 is seen Fig. 2 and Fig. 4 respectively with structure, and slide block 7 size design guarantee that slide block 7 has enough intensity under the effect of pressure, and can slide smoothly mainly according to the bearing capacity of bearing, the sticking polytetrafluoroethylmaterial material slide plate of putting in slide block 7 bottoms.
(4) structure of resistance to plucking baffle plate as shown in Figure 5, the resistance to plucking baffle plate comprises baffle plate 12 and short column 11 two parts, baffle plate 12 by four short columns 11 with under to be connected steel plate 13 fixedly connected, short column 11 is a curved surfaces towards the side of chute 8, selects its section area according to the size of uplift resistance.Baffle plate 12 is the annular slab that is connected with short column 11, when top cover plate 4 and slide block 7 in chute 8 during common the slip, for make baffle plate 12 with on be connected steel plate 9, down block 10 remains fixing distance at vertical direction, the upper and lower surface of baffle plate 12 is all made cambered surface, and cambered surface radius is R.The last cambered surface of baffle plate 12 is to be the camber line BC on summit with an O, revolves the cambered surface that three-sixth turn forms around the central axis A-A of bearing; The lower camber side of baffle plate 12 is to be the camber line DE on summit with an E, and coiling is made central axis A-A and revolved the cambered surface that three-sixth turn forms, and it is constructed as Fig. 5 (a).
(5) structure of top cover plate 4 is shown in Fig. 6 (b), and top cover plate 4 is divided into and connects steel plate 9 and following block 10 two parts.Last connection steel plate 9 links to each other by bolt with superstructure, and bolt passes from its soffit, and bolt head does not expose soffit.The soffit of last connection steel plate 9 is a cambered surface, cambered surface radius is R, the cambered surface summit is at the position of form center point M that connects steel plate, cambered surface is that camber line LN revolves three-sixth turn around bearing central axis A-A and forms, because the soffit summit M of last connection steel plate 9 and the upper surface summit O of baffle plate 12 are all in the vertical plane of crossing bearing central axis A-A, two cambered surface summit M, O are in the distance that vertically has 5mm, so in the process of sliding, on connect the soffit of steel plate 9 and the upper surface of baffle plate 12 is remaining fixing distance.
The structure of the following block 10 of top cover plate 4 is shown in Fig. 6 (c), it is the critical component of resistance to plucking, the soffit cambered surface summit E of the cambered surface summit G of its upper surface and baffle plate 12 is in same vertical cylinder, and cambered surface is the summit with a G, and radius is that the camber line FH of R revolves three-sixth turn around axis A-A and forms.So design can guarantee slide block 7 in chute 8 when the edge slides, following block 10 raises on cambered surface and raises along with slide block 7, because the summit E of the lower camber side of the summit of cambered surface and baffle plate 12 is in same vertical cylinder on the following block 10, and leave the distance of 5mm between the two summit, so the last cambered surface of block 10 can remain fixing distance with the lower camber side of baffle plate.In the process that bearing slides, the top cover plate moves and the bottom chute is motionless, the cross section of following block 10 is similar to " ten " font, be to excise several covering of the fans by disc to form, the edge of following block 10 to the distance at short column 11 edges greater than H, promptly, descend block 10 when sliding, just can not collide like this with short column 11 greater than the maximum sliding distance of slide block 7 in chute 8.When bearing produced vertical pulling force, the upper cap slab integral moved up behind the 5mm, and the following block 10 of top cover plate fully contacts with baffle plate 12, had limited moving of top cover plate, had formed the ability of resistance to plucking.Because the top cover plate links to each other with superstructure, be difficult for changing, so when big vertical pulling force occurring, guarantee that baffle plate destroys the principle prior to block, baffle plate 12 damages is convenient to replacing.
Based on above technical scheme, in the present embodiment, distance under can reaching by baffle plate 12 and chute 8 between the block 10 is determined the vertical windup-degree of the maximum permission of bearing, the gap that 5mm is arranged between the last cambered surface summit of the lower camber side summit of annular baffle 12 and the following block 10 of cover plate, when vertical pulling force appears in bearing, only must overcome less displacement and just can bring into play the effect of bearing resistance to plucking, and the size of uplift resistance can determine that sunykatuib analysis shows that this method for designing can make bearing have enough resistance to plucking abilities by the size of baffle plate 12 and following block 10.The following steel plate 13 that is connected that connects steel plate 9 and bottom chute 8 of going up of top cover plate all has circular hole, utilizes bolt to be connected with building.
In the present embodiment, at first each component processing is finished, assemble then, key step can be summarized as:
(1) adopt existing processing and mounting technology to make, process the bottom chute earlier, the arc surface radius of chute is R, and cambered surface is a stainless steel material, guarantees that cambered surface is smooth, and the little short column of suitable dimension is connected four bights.
(2) slide block of having sized, the joint of slide block and top cover plate will adopt stainless steel material, is placed in the central authorities of chute, and bumper rubber is bonded at the edge of chute.
(3) the top cover plate of having sized is placed on the top cover plate on the slide block, at last the splicing of resistance to plucking baffle plate is welded on the short column.
Claims (5)
1. vertically pulling-resistant type friction pendulum support, mainly include down and connect steel plate (13), slide block (7), be provided with chute (8) at the upper surface that connects steel plate (13) down, it is characterized in that: also include top cover plate (4) and resistance to plucking baffle plate (5), top cover plate (4) includes and connects steel plate (9) and following block (10), and the two is connected to one; The top of slide block (7) is hemispherical projections, matches with the hemispherical groove of following block (10), and slide block (7) can slide along the bottom surface of chute (8) under the drive of following block (10); Between last connection steel plate (9) and following block (10), be provided with resistance to plucking baffle plate (5), resistance to plucking baffle plate (5) includes the baffle plate (12) and the short column (11) of annular, short column (11) passes lower baffle plate (10), the one end is fixedlyed connected with the lower surface of baffle plate (12), the other end with under to be connected steel plate (13) fixedly connected, short column (11) leaves the gap in the horizontal direction with lower baffle plate (10).
2. vertically pulling-resistant type friction pendulum support according to claim 1 is characterized in that: described lower baffle plate (10) is " ten " font.
3. according to claim 1 or the described vertically pulling-resistant type friction pendulum support of claim 2, it is characterized in that: described short column (11) and lower baffle plate (10) gap in the horizontal direction are greater than the maximum sliding distance of slide block (7) in chute (8).
4. vertically pulling-resistant type friction pendulum support according to claim 1 is characterized in that: the medial surface at chute (8) posts bumper rubber (6).
5. described vertically pulling-resistant type friction pendulum support according to claim 1 is characterized in that: the bottom surface of chute (8), on connect the upper and lower surface of soffit, baffle plate (12) of steel plate (9) and the upper surface of following block (10) is the cambered surface with same radius; The lower camber side summit M of last connection steel plate (9) and the last cambered surface O of baffle plate (12) and leave the distance of 3mm～10mm between the two cambered surface summits in same perpendicular; The lower camber side summit E of baffle plate (12) and the last cambered surface summit G of following block (10) are in same vertical cylinder, and the distance between the lower camber side summit M of the distance between two summits and last connection steel plate (9) and the last cambered surface summit O of baffle plate (12) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201492225U CN201033957Y (en) | 2007-05-21 | 2007-05-21 | Vertical plucking-resistant friction pendulum support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201492225U CN201033957Y (en) | 2007-05-21 | 2007-05-21 | Vertical plucking-resistant friction pendulum support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033957Y true CN201033957Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201492225U Expired - Lifetime CN201033957Y (en) | 2007-05-21 | 2007-05-21 | Vertical plucking-resistant friction pendulum support |
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| Country | Link |
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| CN (1) | CN201033957Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863098A (en) * | 2016-05-11 | 2016-08-17 | 东北林业大学 | Multistage frequency conversion friction pendulum and spring three-dimensional composite shock isolator |
| CN107574933A (en) * | 2017-09-29 | 2018-01-12 | 长安大学 | A kind of staircase structure Self-resetting rolling ball isolation bearing |
| US9926972B2 (en) | 2015-10-16 | 2018-03-27 | Roller Bearing Company Of America, Inc. | Spheroidial joint for column support in a tuned mass damper system |
-
2007
- 2007-05-21 CN CNU2007201492225U patent/CN201033957Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9926972B2 (en) | 2015-10-16 | 2018-03-27 | Roller Bearing Company Of America, Inc. | Spheroidial joint for column support in a tuned mass damper system |
| CN105863098A (en) * | 2016-05-11 | 2016-08-17 | 东北林业大学 | Multistage frequency conversion friction pendulum and spring three-dimensional composite shock isolator |
| CN107574933A (en) * | 2017-09-29 | 2018-01-12 | 长安大学 | A kind of staircase structure Self-resetting rolling ball isolation bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070521 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |