CN207793853U - A kind of anti-seismic damping bridge support - Google Patents
A kind of anti-seismic damping bridge support Download PDFInfo
- Publication number
- CN207793853U CN207793853U CN201721769153.8U CN201721769153U CN207793853U CN 207793853 U CN207793853 U CN 207793853U CN 201721769153 U CN201721769153 U CN 201721769153U CN 207793853 U CN207793853 U CN 207793853U
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- China
- Prior art keywords
- plate
- hole
- core
- ball liner
- liner plate
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Abstract
The utility model discloses a kind of anti-seismic damping bridge supports, including upper bracket plate, lower support plate and the mutually matched core being arranged between and ball liner plate, it is provided with plane slide plate between the upper bracket plate and core, it is provided with spherical slide plate between the core and ball liner plate, the ball liner plate is by lateral Displacement Interal fixation on the undersetting, stepped hole is set on the lateral Displacement steel plate, the through-hole one for being wherein located at upside is matched with the side of the core, through-hole two positioned at downside is matched with the side of the ball liner plate, cascaded surface between the through-hole one and through-hole two is matched with the upper surface of the ball liner plate；Anti-fall girder apparatus is equipped between the upper bracket plate, lower support plate, the anti-fall girder apparatus includes two pull rods of sliding sleeve and limit sliding in the cavity of the sliding sleeve, one of them described pull rod is hinged with the upper bracket plate, another described pull rod is hinged with the lower support plate.
Description
Technical field
The utility model is related to technical field of bridge, it particularly relates to a kind of anti-seismic damping bridge support.
Background technology
Earthquake is one of the natural calamity to take place frequently, for a long time, mankind's " helpless " in face of this natural calamity.Ground
It is the strenuous vibration of building that shake, which causes the immediate cause of Loss of Life and property, destroys and collapses.Since twentieth century, people
Class has carried out continuous exploration to the structure control technique of the antidetonation of building, energy dissipating, damping, successively utility model and creates
Product and technology for structure protection against and mitigation of earthquake disasters.
Currently, the domestic bearing being used to support on large span grid structure and bridge used in construction projects has damping
Bearing, lead core rubber support and vibration absorption and isolation support etc..
Shock mount is made of upper base plate, lower seat board, polyfluortetraethylene plate, intermediate plate, elastic element etc..With bearing to press
Power and the effect for realizing displacement and damping.But the function of shock insulation, shock-damping energy-dissipating are not limited by elastic element, are only applicable to
The area city of medium and small earthquake intensity.
Although lead core rubber support can play the role of subtracting shock insulation, limited by its structure, big displacement cannot be met
Needs and big horizontal force requirement.Have again is exactly that lead core rubber support its outer layer rubber is chronically exposed to outside and is easy to old
Change, reduces its service life.
Although vibration absorption and isolation support uses hyperbolic spherical structure, when earthquake can subtract isolation energy dissipation, but bearing normal displacement
Since bi-curved swing can cause girder construction to generate vertical displacement when with earthquake displacement regardless of, earthquake, it is unfavorable for beam body
Work.Normal displacement causes to balance face with earthquake displacement after being superimposed oversized, causes waste of material.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of anti-seismic damping bridge supports, can
Not only can antidetonation but also can damping, may also function as the function of girder falling.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
A kind of anti-seismic damping bridge support, including upper bracket plate, lower support plate and the mutual cooperation being arranged between
Core and ball liner plate, plane slide plate is provided between the upper bracket plate and core, is arranged between the core and ball liner plate
There are spherical slide plate, the ball liner plate on the undersetting, to be set on the lateral Displacement steel plate by lateral Displacement Interal fixation
Stepped hole is set, wherein the through-hole one positioned at upside is matched with the side of the core, is located at the through-hole two of downside and the ball
The side of liner plate matches, and the cascaded surface between the through-hole one and through-hole two is matched with the upper surface of the ball liner plate；Institute
It states and is equipped with anti-fall girder apparatus between upper bracket plate, lower support plate, the anti-fall girder apparatus includes sliding sleeve and limit sliding described
Two pull rods in the cavity of sliding sleeve, one of them described pull rod is hinged with the upper bracket plate, another described pull rod and institute
It is hinged to state lower support plate.
Further, the free end of the pull rod is equipped with and limits mobile piston, the sliding sleeve in the sliding sleeve cavity
Be provided at both ends with the pull rod, piston cooperation baffle.
Further, buffering fin is equipped in the cavity of the sliding sleeve, the buffering fin is arranged in the baffle and institute
It states between piston.
Further, the groove for placing the plane slide plate is provided in the core.
Further, the lateral Displacement steel plate is projection shape, and the inner surface of the through-hole one limits the core
Left and right directions moves, and the height of the through-hole one is less than the height of the core.
Further, the inner surface of the through-hole two limits the left and right directions movement of the ball liner plate, the through-hole two
Height is equal to the height of the ball liner plate.
Further, by being fixedly connected between shearing bolt and the lower support plate between the lateral Displacement steel plate.
The beneficial effects of the utility model：When small size earthquake occurs, by between upper bracket plate and core, core and ball serve as a contrast
The sliding friction energy dissipating pair formed between plate plays a role, and can effectively convert seismic energy to thermal energy, realizes turning for energy
It changes, plays the role of shock-damping energy-dissipating；When support movement is to when maximum shock insulation displacement, lateral Displacement steel plate prevents core from continuing to slide
Play anti-fall beam effect；When there is rarely occurred earthquake generation, the displacement of sliding friction energy dissipating pair will exceed design value, at this time girder falling
Device plays a role, and prevents the further displacement of bearing, avoids beam from falling off from substructure bearing, falls the danger of beam.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of anti-seismic damping bridge support according to the utility model embodiment.
Fig. 2 is a kind of structural schematic diagram of lateral Displacement steel plate according to the utility model embodiment.
Fig. 3 is a kind of structural schematic diagram of anti-fall girder apparatus according to the utility model embodiment.
In figure：
1, upper bracket plate；2, lower support plate；3, core；4, ball liner plate；5, plane slide plate；6, spherical slide plate；7, lateral limit
Position steel plate；8, through-hole one；9, through-hole two；10, cascaded surface；11, anti-fall girder apparatus；12, sliding sleeve；13, pull rod；14, piston；15、
Baffle；16, fin is buffered；17, groove；18, shearing bolt.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, a kind of anti-seismic damping bridge support according to the utility model embodiment, including upper bracket plate
1, lower support plate 2 and the mutually matched core 3 and ball liner plate 4 that are arranged between, the upper bracket plate 1 and core 3 it
Between be provided with plane slide plate 5, spherical slide plate 6 is provided between the core 3 and ball liner plate 4.
The ball liner plate 4 is fixed on by lateral Displacement steel plate 7 on the undersetting, is set on the lateral Displacement steel plate 7
Stepped hole is set, as shown in Fig. 2, the through-hole 1 for being wherein located at upside is matched with the side of the core 3, is located at the logical of downside
Hole 29 is matched with the side of the ball liner plate 4, the cascaded surface 10 between the through-hole 1 and through-hole 29 and the ball liner plate
4 upper surface matches；Anti-fall girder apparatus 11 is equipped between the upper bracket plate 1, lower support plate 2, the anti-fall girder apparatus 11 wraps
Include two pull rods 13 in the cavity of the sliding sleeve 12 of sliding sleeve 12 and limit sliding, one of them described pull rod 13 with it is described
Upper bracket plate 1 is hinged, another described pull rod 13 is hinged with the lower support plate 2.
As shown in figure 3, the free end of the pull rod 13 is equipped with limits mobile piston 14, institute in 12 cavity of the sliding sleeve
State the baffle 15 of sliding sleeve 12 being provided at both ends with the pull rod 13, piston cooperation.Buffering is equipped in the cavity of the sliding sleeve 12
Fin 16, the buffering fin 16 are arranged between the baffle and the piston.It is provided in the core 3 and places described put down
The groove 17 of face slide plate 5.
The lateral Displacement steel plate 7 is projection shape, and the inner surface of the through-hole 1 limits the right and left of the core 3
To movement, the height of the through-hole 1 is less than the height of the core 3.The inner surface of the through-hole 29 limits the ball liner plate
4 left and right directions movement, the height of the through-hole 29 are equal to the height of the ball liner plate 4.Between the lateral Displacement steel plate 7
By being fixedly connected between shearing bolt 18 and the lower support plate 2.
The structure of the utility model, when small size earthquake occurs, by between upper bracket plate and core, core and ball liner plate it
Between the sliding friction energy dissipating pair that forms play a role, can effectively convert seismic energy to thermal energy, realize the conversion of energy, rise
To the effect of shock-damping energy-dissipating；When support movement is to when maximum shock insulation displacement, the core that lateral Displacement steel plate prevents continues sliding and plays
Anti-fall beam effect；When there is rarely occurred earthquake generation, the displacement of sliding friction energy dissipating pair will exceed design value, at this time anti-fall girder apparatus
It plays a role, prevents the further displacement of bearing, avoid beam from falling off from substructure bearing, fall the danger of beam.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of anti-seismic damping bridge support, including upper bracket plate (1), lower support plate (2) and it is arranged between mutual
The core (3) and ball liner plate (4) of cooperation, which is characterized in that plane cunning is provided between the upper bracket plate (1) and core (3)
Plate (5), is provided with spherical slide plate (6) between the core (3) and ball liner plate (4), the ball liner plate (4) passes through lateral Displacement steel
Plate (7) is fixed on the undersetting, and stepped hole is arranged on the lateral Displacement steel plate (7), wherein the through-hole one positioned at upside
(8) it being matched with the side of the core (3), the through-hole two (9) for being located at downside is matched with the side of the ball liner plate (4),
Cascaded surface (10) between the through-hole one (8) and through-hole two (9) is matched with the upper surface of the ball liner plate (4)；On described
Between support plate (1), lower support plate (2) be equipped with anti-fall girder apparatus (11), the anti-fall girder apparatus (11) include sliding sleeve (12) and
Two pull rods (13) of the limit sliding in the cavity of the sliding sleeve (12), one of them described pull rod (13) and the upper bracket
Plate (1) is hinged, another described pull rod (13) is hinged with the lower support plate (2).
2. anti-seismic damping bridge support according to claim 1, which is characterized in that the free end of the pull rod (13) is equipped with
Mobile piston (14) is limited in the sliding sleeve (12) cavity, the sliding sleeve (12) is provided at both ends with and the pull rod
(13), the baffle (15) of piston cooperation.
3. anti-seismic damping bridge support according to claim 2, which is characterized in that be equipped in the cavity of the sliding sleeve (12)
Fin (16) is buffered, the buffering fin (16) is arranged between the baffle and the piston.
4. anti-seismic damping bridge support according to claim 1, which is characterized in that be provided with placement on the core (3)
The groove (17) of the plane slide plate (5).
5. anti-seismic damping bridge support according to claim 1, which is characterized in that the lateral Displacement steel plate (7) is convex
The inner surface of platform shape, the through-hole one (8) limits the left and right directions movement of the core (3), the height of the through-hole one (8)
Less than the height of the core (3).
6. anti-seismic damping bridge support according to claim 5, which is characterized in that the inner surface of the through-hole two (9) limits
The left and right directions movement of the ball liner plate (4) is made, the height of the through-hole two (9) is equal to the height of the ball liner plate (4).
7. anti-seismic damping bridge support according to claim 1, which is characterized in that between the lateral Displacement steel plate (7)
By being fixedly connected between shearing bolt (18) and the lower support plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769153.8U CN207793853U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-seismic damping bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769153.8U CN207793853U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-seismic damping bridge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207793853U true CN207793853U (en) | 2018-08-31 |
Family
ID=63284570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769153.8U Expired - Fee Related CN207793853U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-seismic damping bridge support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207793853U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067191A (en) * | 2019-05-28 | 2019-07-30 | 北京交通大学 | A kind of bridge pad |
| CN110205946A (en) * | 2019-07-03 | 2019-09-06 | 中南建设集团有限公司 | A kind of Rotary ball hinge steel skeleton for Bridge Rotation Construction Technique |
| CN112555104A (en) * | 2020-12-01 | 2021-03-26 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
| CN112962436A (en) * | 2021-02-04 | 2021-06-15 | 南昌航空大学 | Continuous beam side span support |
| CN114108443A (en) * | 2021-11-24 | 2022-03-01 | 中铁第四勘察设计院集团有限公司 | Bridge bearing and bridge structure |
| CN112555104B (en) * | 2020-12-01 | 2024-04-16 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
-
2017
- 2017-12-18 CN CN201721769153.8U patent/CN207793853U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067191A (en) * | 2019-05-28 | 2019-07-30 | 北京交通大学 | A kind of bridge pad |
| CN110205946A (en) * | 2019-07-03 | 2019-09-06 | 中南建设集团有限公司 | A kind of Rotary ball hinge steel skeleton for Bridge Rotation Construction Technique |
| CN110205946B (en) * | 2019-07-03 | 2021-02-23 | 中南建设集团有限公司 | Swivel spherical hinge steel skeleton for bridge swivel construction |
| CN112555104A (en) * | 2020-12-01 | 2021-03-26 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
| CN112555104B (en) * | 2020-12-01 | 2024-04-16 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
| CN112962436A (en) * | 2021-02-04 | 2021-06-15 | 南昌航空大学 | Continuous beam side span support |
| CN114108443A (en) * | 2021-11-24 | 2022-03-01 | 中铁第四勘察设计院集团有限公司 | Bridge bearing and bridge structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |