CN209602945U - A kind of bridge girder anti-seismic bearing - Google Patents
A kind of bridge girder anti-seismic bearing Download PDFInfo
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- CN209602945U CN209602945U CN201920153237.1U CN201920153237U CN209602945U CN 209602945 U CN209602945 U CN 209602945U CN 201920153237 U CN201920153237 U CN 201920153237U CN 209602945 U CN209602945 U CN 209602945U
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- steel plate
- cavity
- upper steel
- buffering ball
- fixed
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000003139 buffering effect Effects 0.000 claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of bridge girder anti-seismic bearings, belong to bridge technology field, the aseismatic bearing includes upper steel plate and lower steel plate, lower steel plate is internally provided with cavity, and lower steel plate top center is provided with boss, and boss center offers perforation, cavity is penetrated through by perforation with extraneous, bottom is fixed with buffering ball and hydraulic bjuffer in cavity, and buffering ball is located at cavity bottom center, and hydraulic bjuffer is looped around buffering ball surrounding；Upper steel plate bottom centre is fixed with support portion, support portion includes connecting column and end, connecting column is threaded through in perforation and upper end is fixed on upper steel plate, lower end is connect with end, end is contained in cavity, head bottom part is provided with locating slot and horizontal part, locating slot is arc and is adapted with buffering outer surface of ball, horizontal position is in locating slot surrounding, horizontal position is right above hydraulic bjuffer, hydraulic bjuffer buttstrap is supported on horizontal part bottom, solves the problems, such as that existing highway bridge aseismatic bearing damping and isolation effect is not fine.
Description
Technical field
The utility model relates to bridge technology field, in particular to a kind of bridge girder anti-seismic bearing.
Background technique
Bridge pad is the important feature component for connecting bridge superstructure and substructure, be located at bridge and pinner it
Between, the load of bridge superstructure receiving and deformation (displacement and angle turn) can be reliably delivered to bridge substructure by it, be
The important load transfer device of bridge.Bridge pad is broadly divided into hold-down support and two kinds of movable bearing support.The common support of science of bridge building
Form includes asphalt felt or plate bearing, laminated rubber bearing, spherical bearing, bridle iron and special bearing etc..
The Chinese patent that Authorization Notice No. is CN201620350U, authorized announcement date is on November 03rd, 2010 discloses one
Kind bridge girder anti-seismic bearing, which includes upper steel plate, rubber slab, middle steel plate, support arm, lower plate.
It is in place of the deficiencies in the prior art, bridge girder anti-seismic bearing only relies on rubber slab and carrys out damping, although structure is simple, energy
Play the role of certain damper, but damping effect is not fine.
Utility model content
The purpose of the utility model is to provide a kind of bridge girder anti-seismic bearings, and which solve existing highway bridge aseismatic bearings to subtract shock insulation
Effect is not fine problem.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of bridge girder anti-seismic bearing, the lower steel plate including upper steel plate and positioned at the upper steel plate bottom, in the lower steel plate
Portion is provided with cavity, and the lower steel plate top center is provided with boss, and the boss center offers perforation, and the perforation is located at
Right above the cavity, the cavity is penetrated through by the perforation with extraneous, and bottom is fixed with buffering ball and liquid in the cavity
Compression buffer, the buffering ball are located at the cavity bottom center, the hydraulic bjuffer be provided with it is multiple, it is multiple described hydraulic
Buffer is looped around the buffering ball surrounding；
The upper steel plate bottom centre is fixed with support portion, and the support portion includes connecting column and end, the connecting column
It is threaded through in the perforation and upper end is fixed on the upper steel plate, lower end is connect with the end, and the end is contained in institute
State in cavity, the head bottom part is provided with locating slot and horizontal part, the locating slot be arc and with the buffering ball appearance
Face is adapted, and the locating slot contacts setting with the buffering outer surface of ball, and the horizontal position is in the locating slot surrounding, institute
Horizontal position is stated right above the hydraulic bjuffer, the hydraulic bjuffer buttstrap is supported on the horizontal part bottom.
Using the above structure, the setting of buffering ball and hydraulic bjuffer provides what upper steel plate and lower steel plate or more deformed
Space can absorb kinetic energy, reduce displacement, play the effect of damping vibrations.Buffering ball and hydraulic bjuffer play cooperation
Damping, support effect, there is preferable rebound damping, long service life has preferable stability and subtracts, shock insulation.
It advanced optimizes are as follows: the cavity inside is provided with rubber block, and the rubber block is fixed on the cavity sidewalls.
Using the above structure, the setting of rubber block provides the space of upper steel plate and the deformation of lower steel plate surrounding, reduces displacement
And inconsistent phenomenon.
It advanced optimizes are as follows: the cavity is oval ball shape, and the rubber block is provided with multiple, multiple rubber blocks
It is evenly arranged on the cavity top and the inner wall of four peripheral portions.
Using the above structure, the space of upper steel plate and lower steel plate or more and surrounding deformation is provided, improves and subtracts shock insulation effect
Fruit.
It advanced optimizes are as follows: the upper steel plate bottom is fixed with rubber slab, and the rubber slab is located at the upper steel plate and institute
It states between boss.
Using the above structure, it is directly contacted to prevent upper steel plate bottom with lower steel plate boss top surface, protection upper steel plate and lower steel
Plate with anti-wear, while can also play the role of bumper and absorbing shock.
It advanced optimizes are as follows: the buffering ball is made of rubber.
Using the above structure, long service life is hardly damaged.
In conclusion the utility model has the following beneficial effects: the setting of buffering ball, hydraulic bjuffer and rubber slab,
The space that upper steel plate and lower steel plate deform up and down is provided, kinetic energy can be absorbed, play the effect of damping vibrations.Rubber block
Setting, provide upper steel plate and lower steel plate surrounding deformation space, reduce displacement, play the effect of damping vibrations.Buffering ball,
Hydraulic bjuffer and rubber slab play the role of cooperating damping, support, have triple cushioning effects, and rebound damps, and use the longevity
Life length has preferable stability and subtracts, shock insulation.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of embodiment, is mainly used for embodying the structure of aseismatic bearing；
Fig. 2 is the schematic cross-sectional view of embodiment, is mainly used for embodying the structure of upper steel plate；
Fig. 3 is the schematic cross-sectional view of embodiment, is mainly used for embodying the structure of lower steel plate.
In figure, 1, upper steel plate；2, lower steel plate；3, boss；4, rubber slab；5, cavity；6, rubber block；7, support portion；71, even
Connect column；72, end；73, locating slot；74, horizontal part；8, hydraulic bjuffer；9, buffering ball；10, it perforates.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of bridge girder anti-seismic bearing, as shown in Figure 1, 2, 3, including upper steel plate 1 and positioned at 1 bottom of upper steel plate
Lower steel plate 2, upper steel plate 1 and lower steel plate 2 are circle.Lower steel plate 2 is internally provided with cavity 5, and 2 top center of lower steel plate is provided with
Boss 3 offers circular perforations 10 at 3 center of boss, and perforation 10 is located at right above cavity 5, cavity 5 by perforation 10 with it is extraneous
Perforation.Cavity 5 is oval ball shape, and 5 short axle of cavity, towards upper and lower two sides, 10 radiuses of perforating are less than 5 major radius of cavity.Cavity
Bottom is fixed with buffering ball 9 and hydraulic bjuffer 8 in 5, and buffering ball 9 is made of rubber and is located at 5 bottom centre of cavity, hydraulic
Buffer 8 is provided with multiple, and multiple hydraulic bjuffers 8 are looped around 9 surrounding of buffering ball.1 bottom of upper steel plate is fixed with rubber slab 4,
Rubber slab 4 is between upper steel plate 1 and boss 3.
Referring to Fig.1,2,3,1 bottom centre of upper steel plate is fixed with support portion 7, and support portion 7 includes connecting column 71 and end 72.
Connecting column 71 is threaded through in perforation 10 and upper end is fixed on upper steel plate 1, and lower end is connect with end 72, and 71 diameter of connecting column is less than
It perforates 10 diameters.End 72 is contained in cavity 5, and 72 top of end is in semi-oval and short axle direction and 5 short axle direction of cavity
Identical, 72 top major radius of end is greater than the radius of perforation 10, and 72 lower part of end is provided with locating slot 73 and horizontal part 74.Cavity
5 are internally provided with rubber block 6, and rubber block 6 is fixed on 5 side wall of cavity, and rubber block 6 is provided with multiple, and multiple rubber blocks 6 are evenly arranged on
On the inner wall of 5 top of cavity and four peripheral portions.Locating slot 73 is arc and to be adapted with 9 outer surface of buffering ball, locating slot 73 with
The setting of 9 appearance face contact of buffering ball, horizontal part 74 are located at 73 surrounding of locating slot, and horizontal part 74 is located at right above hydraulic bjuffer 8,
8 buttstrap of hydraulic bjuffer is supported on 74 bottom of horizontal part.
The setting of buffering ball 9, hydraulic bjuffer 8 and rubber slab 4 provides the sky that upper steel plate 1 and about 2 lower steel plate deform
Between, kinetic energy can be absorbed, play the effect of damping vibrations.The setting of rubber block 6 provides upper steel plate 1 and lower steel plate 2 four
The space of week deformation, reduces displacement.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (5)
1. a kind of bridge girder anti-seismic bearing, including upper steel plate (1) and positioned at the lower steel plate (2) of the upper steel plate (1) bottom, feature
Be: the lower steel plate (2) is internally provided with cavity (5), and lower steel plate (2) top center is provided with boss (3), the boss
(3) center offers perforation (10), and the perforation (10) is located at right above the cavity (5), and the cavity (5) is worn by described
Hole (10) and extraneous perforation, the interior bottom of the cavity (5) is fixed with buffering ball (9) and hydraulic bjuffer (8), the buffering ball
(9) it is located at the cavity (5) bottom centre, the hydraulic bjuffer (8) is provided with multiple, multiple hydraulic bjuffers (8)
It is looped around the buffering ball (9) surrounding；
Upper steel plate (1) bottom centre is fixed with support portion (7), and the support portion (7) includes connecting column (71) and end
(72), the connecting column (71) is threaded through in the perforation (10) and upper end is fixed on the upper steel plate (1), lower end with it is described
End (72) connection, the end (72) are contained in the cavity (5), and end (72) bottom is provided with locating slot (73)
With horizontal part (74), the locating slot (73) is arc and is adapted with the buffering ball (9) outer surface, the locating slot (73)
It is arranged with the buffering ball (9) appearance face contact, the horizontal part (74) is located at the locating slot (73) surrounding, the horizontal part
(74) it is located at right above the hydraulic bjuffer (8), hydraulic bjuffer (8) buttstrap is supported on the horizontal part (74) bottom
Portion.
2. a kind of bridge girder anti-seismic bearing according to claim 1, it is characterized in that: the cavity (5) is internally provided with rubber
Block (6), the rubber block (6) are fixed on the cavity (5) side wall.
3. a kind of bridge girder anti-seismic bearing according to claim 2, it is characterized in that: the cavity (5) is oval ball shape, institute
It states rubber block (6) and is provided with multiple, multiple rubber blocks (6) are evenly arranged on the inner wall of at the top of the cavity (5) and four peripheral portions
On.
4. a kind of bridge girder anti-seismic bearing according to claim 1, it is characterized in that: the upper steel plate (1) bottom is fixed with rubber
Offset plate (4), the rubber slab (4) is between the upper steel plate (1) and the boss (3).
5. a kind of bridge girder anti-seismic bearing according to claim 1, it is characterized in that: the buffering ball (9) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153237.1U CN209602945U (en) | 2019-01-29 | 2019-01-29 | A kind of bridge girder anti-seismic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153237.1U CN209602945U (en) | 2019-01-29 | 2019-01-29 | A kind of bridge girder anti-seismic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209602945U true CN209602945U (en) | 2019-11-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920153237.1U Expired - Fee Related CN209602945U (en) | 2019-01-29 | 2019-01-29 | A kind of bridge girder anti-seismic bearing |
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| CN (1) | CN209602945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277674A (en) * | 2022-01-14 | 2022-04-05 | 宁波市高等级公路建设管理中心 | Effectively shock-resistant bent cap mounting structure |
-
2019
- 2019-01-29 CN CN201920153237.1U patent/CN209602945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277674A (en) * | 2022-01-14 | 2022-04-05 | 宁波市高等级公路建设管理中心 | Effectively shock-resistant bent cap mounting structure |
| CN114277674B (en) * | 2022-01-14 | 2024-02-02 | 宁波市高等级公路建设管理中心 | Can effectively antidetonation bent cap mounting structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |