CN204282201U - Drag-line arc-shaped steel damping combined shock absorption ball steel support - Google Patents
Drag-line arc-shaped steel damping combined shock absorption ball steel support Download PDFInfo
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- CN204282201U CN204282201U CN201420565614.XU CN201420565614U CN204282201U CN 204282201 U CN204282201 U CN 204282201U CN 201420565614 U CN201420565614 U CN 201420565614U CN 204282201 U CN204282201 U CN 204282201U
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Abstract
The utility model relate to a kind of can effectively damping and increase shock mount---the drag-line arc-shaped steel damping combined shock absorption ball steel support of damping characteristic, comprise a few part composition such as upper and lower seat board, sphere polyfluortetraethylene plate, spherical crown, plane polyfluortetraethylene plate, arc-shaped steel lath, drag-line, securing cover plate and cover plate bolt, the layout of this novel damping bearing is as follows: set up arc-shaped steel lath in common inhaul cable damping support saddle both lateral sides, uses securing cover plate and is reliably connected with upper and lower seat board by arc-shaped steel lath by cover plate bolt.The utility model can make full use of arc-shaped steel lath under geological process, move back and forth the effect played and increase Damping work seismic energy, and play the effect of buffer limit, simultaneously drag-line can control relative displacement between the upper and lower seat board of bearing within a controlled scope, prevents beam.Drag-line and curved plate strip device and upper and lower seat board anchorage style reliability high, size is accurate, is easy to assembling and changes.
Description
Technical field
The utility model belongs to civil engineering, earthquake engineering technical field, is specifically related to a kind of drag-line arc-shaped steel damping combined shock absorption ball steel support.
Background technology
In recent decades, vibration absorption and isolation support subtracts the important measures of shock insulation as bridge, obtains increasing attention, and achieves great development.Pot rubber bearing, ball steel support, lead core rubber support, FPS(friction pendulum hammer body system), inhaul cable damping support saddle is progressively widely used, and becomes the main flow of domestic and abroad bridge bearing.In above several conventional seat, common pot rubber bearing and ball steel support are when meeting with earthquake or great vibratility is impacted, and the horizontal movement between upper and lower seat board can not get effective constraint, therefore produces excessive relative displacement, and easily fall beam harm; Lead core rubber support energy dissipation capacity is strong, the bearing second inner force that temperature, the deformation of creep such as to creep cause is less, but the cutting performance of bearing is comparatively large by the impact of vertical load, and along with the increase of lead for retractable pencil, bearing recovery capability weakens, and effectively can not subtract shock insulation in the earthquake motion with multiple spectra effect; FPS(friction pendulum hammer body system) strong, the friction energy-dissipating stable performance of automatic recovery ability, but the vertical displacement of beam-ends can be caused and produce second inner force in the process of friction energy-dissipating; Inhaul cable damping support saddle can operative constraint earthquake time upper and lower seat board horizontal movement, prevent beam, but due to ball steel support friction factor less, do not reach the object of effective dissipation seismic energy.
In view of all deficiencies that above-mentioned dissimilar bearing exists, we are on the basis of inhaul cable damping support saddle, devise a kind of drag-line arc-shaped steel damping combined shock absorption ball steel support.Inhaul cable damping support saddle belongs to the one of shock mount, it is reliable that it has the power transmission of ball steel support, rotate flexibly, supporting capacity is large and allow the features such as displacement is large, effectively can adapt to the particular/special requirement of Longspan Bridge to bearing, simultaneously drag-line set up can operative constraint earthquake time upper and lower seat board horizontal movement, prevent beam, can also by determining the relation designing displacement coordination power and displacement, do not bend at the bottom of protection pier destruction and shear failure, but because this bearing friction factor is less, do not reach the object of effective dissipation seismic energy, therefore need further improve inhaul cable damping support saddle.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing that effectively can increase damping, reduction slide displacement and limit beam, i.e. drag-line arc-shaped steel damping combined shock absorption ball steel support.
For reaching above object, the solution that the utility model adopts is: on the basis of inhaul cable damping support saddle, set up Cuvved Steel-strip energy absorber, to realize the dual purpose increasing damping and slow down impact.
Accordingly, the utility model proposes drag-line arc-shaped steel damping combined shock absorption ball steel support, comprise arc-shaped steel lath 5, securing cover plate 3, cover plate bolt 4, drag-line 10 and ball steel support, described ball steel support comprises the lower seat board 2 with a chamber 9, upper base plate 1 and the sphere polyfluortetraethylene plate 8 be stacked and placed on successively from bottom to top between a chamber 9 and upper base plate 1, spherical crown 6 and plane polyfluortetraethylene plate 7, it is characterized in that: arc-shaped steel lath 5 is by semi-circular segments, horizontal segment and end composition, the two ends of semi-circular segments are respectively horizontal segment, horizontal segment connecting end portion, a groove is respectively had above the vertical or horizontal both sides of lower seat board 2, accordingly, the vertical or horizontal down either side of upper base plate 1 respectively has a groove, the shape of described groove is consistent with the shape of arc-shaped steel lath 5 end shape and drag-line 10 end, arc-shaped steel lath 5 or drag-line 10 two ends embed in the groove that upper base plate 1 and lower seat board 2 have respectively, adopt securing cover plate 3 and by cover plate bolt 4, arc-shaped steel lath 5 and drag-line 10 be reliably connected with upper base plate 1 and lower seat board 2.
In the utility model, with drag-line 10 and arc-shaped steel lath 5 with the use of ball steel support be any one in bi-directional movable type, one-way movable type or fixed.
In the utility model, the arc-shaped steel lath 5 being arranged on ball steel support both sides uses single wider arc-shaped steel lath, and drag-line 10 adopts single or adopts many.
In the utility model, described drag-line is made up of steel strand, high strength wire rope or carbon fiber bundle.
In the utility model, described every root drag-line all forms according to the shape designed and size coiling.
In the utility model, the shape of described upper base plate, lower seat board is cuboid, respectively offers seat board fluting and a drag-line hole below longitudinal both sides of upper base plate, also offers seat board fluting and a drag-line hole above longitudinal both sides of lower seat board.
In the utility model, described arc-shaped steel lath is processed by band steel clod wash, makes be fixed in seat board fluting to facilitate according to the shape designed and size.
In the utility model, described arc-shaped steel lath every side number can need to arrange different radicals according to designing and calculating.
In the utility model, below the both lateral sides of described upper base plate, offer a seat board fluting, accordingly, also offer a seat board fluting above the both lateral sides of lower seat board, fluting shape and size and arc-shaped steel lath end anastomosis.
The advantage of the technical scheme that the utility model provides:
1) outside its own advantages remaining inhaul cable damping support saddle, there is reciprocating motion when earthquake occurs by the arc-shaped steel lath set up between upper and lower seat board and reach increase Damping work seismic energy, cushioning effect is played to earthquake horizontal impact power simultaneously, relative displacement between the upper and lower seat board of bearing can be limited again within a controlled scope, prevent beam.
2) arc-shaped steel lath makes final molding shape in advance according to design size, and is connected and fixed by securing cover plate between upper and lower seat board, can either ensure the precision of size like this, facilitates again the assembling of arc-shaped steel lath.
3) drag-line is made final molding shape in advance according to design size, be then directly nested with in the groove of seat board, above covering securing cover plate can complete assembling, can either ensure the precision of drag-line portion size, facilitates again the replacing of drag-line part.
4) compare the stopping means such as block, drag-line and arc-shaped steel lath constitutive relation clear, force path is clear and definite, determines to design displacement, the balance of realizable force and displacement by calculating, and does not bend and destroy and shear failure at the bottom of protection pier.
5) arc-shaped steel lath has price advantage, and can realize easy replacing in the holder, very easy to use.
In a word, the utility model is applicable on the building of urban viaduct, road bridge, railway bridge and various large-scale suspension frame structure and so on, plays cushioning effect.
Accompanying drawing explanation
Fig. 1 is the utility model vertical structure diagram.
Fig. 2 is the utility model transversary diagram.
Fig. 3 is the utility model plane structure diagram.
Fig. 4 is the utility model axonometric drawing.
Fig. 5 is that the different radicals of arc-shaped steel lath arrange plane structure diagram.
Number in the figure: 1 is upper base plate, 2 is lower seat board, and 3 is securing cover plate, and 4 is cover plate bolt, and 5 is arc-shaped steel lath, and 6 is spherical crown, and 7 is plane polyfluortetraethylene plate, and 8 is sphere polyfluortetraethylene plate, and 9 is seat chamber, and 10 is drag-line.
Detailed description of the invention
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example by reference to the accompanying drawings.But not all the restriction to the utility model scheme to the description of embodiment, any according to being only pro forma but not substantial equivalent transformation and all should being considered as the technical solution of the utility model category done by the utility model design.
Embodiment 1: ask for an interview Fig. 1, Fig. 2, Fig. 3 and Fig. 4, lower seat board 2 is fixed with the bridge pier of bridge in a state of use, lower seat board 2 has the seat chamber 9 of a concave spherical surface shape towards the central design of upper side, arranges sphere polyfluortetraethylene plate 8, spherical crown 6 and plane polyfluortetraethylene plate 7 successively from bottom to top in seat chamber 9; Upper base plate 1 and top beam body are fixed; The present embodiment does not arrange horizontal shear assembly, belongs to multidirectional freely movable bearing.
One of technical essential of the technical solution of the utility model is that bearing both lateral sides is provided with arc-shaped steel lath 5, it is anchored between upper base plate 1 and lower seat board 2 respectively, when an earthquake occurs, bearing longitudinal sliding motion, both sides arc-shaped steel lath 5 starts stressed, increase Damping work seismic energy, cushioning effect is played to earthquake horizontal impact power simultaneously.
Two of the technical essential of the technical solution of the utility model is the shape of arc-shaped steel lath 5 and the anchorage style with seat board.The shape of arc-shaped steel lath 5 asks for an interview Fig. 1, by semi-circular segments, horizontal segment and end segments three part form, when arc-shaped steel lath 5 moves back and forth, the outermost end of arc-shaped steel lath 5 remains semicircle shape; A groove is respectively opened above the both lateral sides of lower seat board 2, also a groove is respectively opened below the both lateral sides of upper base plate 1, fluting shape is consistent with arc-shaped steel lath 5 end shape, in the difference embedded seat board slot of arc-shaped steel lath 5 two ends, use securing cover plate 3 and by cover plate bolt 4, arc-shaped steel lath 5 be reliably connected with upper and lower seat board, this anchorage style reliability is high, and size is accurate, is easy to assembling and changes.
Three of the technical essential of the technical solution of the utility model is assembling modes of drag-line 10, drag-line 10 forms according to the shape designed and size coiling and reliable hoop is fixed, its upper and lower two ends are nested with respectively in the seat board fluting of upper base plate 1 and lower seat board 2, after being nested with, lay securing cover plate 3, and use cover plate bolt 4 to be reliably connected with upper base plate 1, lower seat board 2 by securing cover plate 3, be convenient to drag-line assembling and change.
One as the utility model embodiment converts, with drag-line 10 and arc-shaped steel lath 5 with the use of ball steel support can be bi-directional movable type, also can be one-way movable type and fixed.One-way movable type realizes by arranging unidirectional shearing resistance block, and fixed is by arranging two-way shearing resistance block or the realization of middle shear pin.
One as the utility model embodiment converts, and the arc-shaped steel lath 5 being arranged on ball steel support both sides can use single wider arc-shaped steel lath, also can need according to designing and calculating the arc-shaped steel lath using many arrangements, ask for an interview Fig. 5.
One as the utility model embodiment converts, and the setting direction of drag-line and arc-shaped steel lath can change according to real needs, drag-line can be arranged on longitudinal direction, and arc-shaped steel lath is arranged on transverse direction; Also arc-shaped steel lath can be arranged on longitudinal direction, drag-line is arranged on transverse direction; Also can drag-line and arc-shaped steel lath be arranged on vertical or horizontal simultaneously.
The above-mentioned description to embodiment is not all the restriction to the utility model scheme; therefore; protection domain of the present utility model is not only confined to above-described embodiment; any according to the utility model design done by be only pro forma but not substantial various amendment and improvement, all should be considered as dropping within protection domain of the present utility model.
Claims (3)
1. a drag-line arc-shaped steel damping combined shock absorption ball steel support, comprise arc-shaped steel lath (5), securing cover plate (3), cover plate bolt (4), drag-line (10) and ball steel support, described ball steel support comprises the lower seat board (2) with a chamber (9), upper base plate (1) and the sphere polyfluortetraethylene plate (8) be stacked and placed on successively from bottom to top between a chamber (9) and upper base plate (1), spherical crown (6) and plane polyfluortetraethylene plate (7), it is characterized in that: arc-shaped steel lath (5) is by semi-circular segments, horizontal segment and end composition, the two ends of semi-circular segments are respectively horizontal segment, horizontal segment connecting end portion, a groove is respectively had above the vertical or horizontal both sides of lower seat board (2), accordingly, the vertical or horizontal down either side of upper base plate (1) respectively has a groove, the shape of described groove is consistent with the shape of arc-shaped steel lath (5) end shape and drag-line (10) end, arc-shaped steel lath (5) or drag-line (10) two ends embed in the groove that upper base plate (1) and lower seat board (2) have respectively, adopt securing cover plate (3) and by cover plate bolt (4), arc-shaped steel lath (5) and drag-line (10) be reliably connected with upper base plate (1) and lower seat board (2).
2. drag-line arc-shaped steel damping combined shock absorption ball steel support according to claim 1, it is characterized in that with drag-line (10) and arc-shaped steel lath (5) with the use of ball steel support be any one in bi-directional movable type, one-way movable type or fixed.
3. drag-line arc-shaped steel damping combined shock absorption ball steel support according to claim 1, it is characterized in that the arc-shaped steel lath (5) being arranged on ball steel support both sides uses single arc-shaped steel lath, drag-line (10) adopts single or adopts many.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565614.XU CN204282201U (en) | 2014-09-29 | 2014-09-29 | Drag-line arc-shaped steel damping combined shock absorption ball steel support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565614.XU CN204282201U (en) | 2014-09-29 | 2014-09-29 | Drag-line arc-shaped steel damping combined shock absorption ball steel support |
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| CN204282201U true CN204282201U (en) | 2015-04-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087716A (en) * | 2016-06-15 | 2016-11-09 | 成都亚佳工程新技术开发有限公司 | A kind of shock mount with three-dimensional girder falling function |
| CN106320167A (en) * | 2016-10-31 | 2017-01-11 | 沈阳建筑大学 | Limiting device with energy absorption and buffer capability |
| CN110528383A (en) * | 2019-07-31 | 2019-12-03 | 同济大学 | Without additional vertical force buffer-type inhaul cable damping support saddle |
| CN112962433A (en) * | 2021-01-25 | 2021-06-15 | 沈义秀 | Anti-seismic noise-reducing support for bridge |
-
2014
- 2014-09-29 CN CN201420565614.XU patent/CN204282201U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087716A (en) * | 2016-06-15 | 2016-11-09 | 成都亚佳工程新技术开发有限公司 | A kind of shock mount with three-dimensional girder falling function |
| CN106320167A (en) * | 2016-10-31 | 2017-01-11 | 沈阳建筑大学 | Limiting device with energy absorption and buffer capability |
| CN110528383A (en) * | 2019-07-31 | 2019-12-03 | 同济大学 | Without additional vertical force buffer-type inhaul cable damping support saddle |
| CN110528383B (en) * | 2019-07-31 | 2024-03-08 | 同济大学 | Buffer type inhaul cable shock-absorbing support without additional vertical force |
| CN112962433A (en) * | 2021-01-25 | 2021-06-15 | 沈义秀 | Anti-seismic noise-reducing support for bridge |
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