CN208917680U - A kind of inside and outside lateral confinement pot rubber bearing - Google Patents
A kind of inside and outside lateral confinement pot rubber bearing Download PDFInfo
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- CN208917680U CN208917680U CN201821477541.3U CN201821477541U CN208917680U CN 208917680 U CN208917680 U CN 208917680U CN 201821477541 U CN201821477541 U CN 201821477541U CN 208917680 U CN208917680 U CN 208917680U
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Abstract
A kind of inside and outside lateral confinement pot rubber bearing, including compound upper base plate, antifriction liner plate, compound intermediate plate, reinforce rubber layer and compound bottom basin, compound upper base plate, compound intermediate plate and compound bottom basin are combined by one layer or more FRP sheet material wrapping layer and steel upper base plate, steel intermediate plate and steel bottom basin bonding, the additional circumferential winding bonding FRP constraint band of the tub wall surrounding lateral surface of compound bottom basin, reinforces rubber layer and is formed by more than one FRP cylindricality grid and rubber layer complete cure.The utility model effectively constrains the lateral expansion of inner rubber using FRP cylindricality grid, improve support bearing capacity and internally-damped energy dissipation capacity；Using characteristics such as the intrinsic endurance of FRP sheet material, corrosion-resistant, creep resistants, a protection is provided in pot rubber bearing periphery；The additional circumferential winding bonding FRP constraint band of the tub wall surrounding lateral surface of compound bottom basin, FRP constraint band are capable of the deformation of more efficient constraint steel basin.
Description
Technical field
The utility model relates to a kind of bridge pads, and in particular to a kind of inside and outside lateral confinement pot rubber bearing belongs to
Technical field of bridge.
Background technique
Important component of the bridge pad as connection bridge top and the bottom structure should have under bridge load effect and vertically hold
Pressure, rotational deformation, shear-deformable or sliding ability, still, in past many engineerings, because of the structure type letter of support
The reasons such as list, low cost, importance is often designed personnel and researcher ignores.
With the fast development of bridge construction, Urban Bridge, highway bridge, railroad bridge China start to use basin in large quantities
Formula rubber support, the excellent properties in terms of bearing capacity, sliding capability and corner have all obtained researcher's approval, still, due to
Domestic bridge overload, earthquake disaster take place frequently in recent years, and bridge pad is the part that failure is easiest in bridge structure, basin type rubber
Support damage form mainly has rubber in steel basin to be extruded；Steel basin cracking；Bias is excessive to cause top board inclination angle excessive；Upper pressure
Plate, steel basin and steel basin bottom plate are rusted due to abutment infiltration；It slides excessive etc., causes superstructure integrally to generate after support damage
Excessive displacement, or even rollover are collapsed, and therefore, bearing capacity, the endurance quality of support cause more and more attention.
Currently, pot rubber bearing lacks effective durability safeguard procedures, and conventional measure is protected by outer painting, difficult
Exempt to corrode in use process.The rubber layer of pot rubber bearing relies solely on steel basin and provides hoop constraint, inside rubber layer
Lack operative constraint, transversely deforming is big under load action, so that the wall thickness of steel basin is very big, and still excessive frequent occurrence in use
Transversely deforming causes the case where steel basin tension rupture failure.
Summary of the invention
The purpose of the utility model is to provide a kind of inside and outside lateral confinement pot rubber bearing, adding in pot rubber bearing
Strong rubber layer is vulcanized by FRP cylindricality grid and rubber layer, and FRP cylindricality grid constrains the lateral expansion of inner rubber, compared with
Traditional rubber layer, greatly improves the bearing capacity and rigidity of pot rubber bearing, and the vertical rigidity for reinforcing rubber layer mentions
Height, and have and preferably make recovery capability certainly；Compound upper base plate, compound intermediate plate and compound bottom basin are by one layer or more FRP piece
Material wrapping layer and steel upper base plate, steel intermediate plate and steel bottom basin bonding are combined, and utilize FRP material lightweight, high-strength and corrosion-resistant
Etc. characteristics prevent the corrosion of steel as the protection of pot rubber bearing；The tub wall surrounding lateral surface of compound bottom basin is additionally circumferential
Winding bonding FRP constraint band, FRP constraint band are capable of the deformation of more efficient constraint steel basin, steel basin are prevented to be lacked due to quality
It falls into and inner rubber expands caused cracking.
The technical solution of the utility model are as follows: a kind of inside and outside lateral confinement pot rubber bearing is followed successively by multiple from top to bottom
It closes seat board, antifriction liner plate, compound intermediate plate, reinforce rubber layer and compound bottom basin, which is characterized in that is compound upper base plate, compound
Intermediate plate and compound bottom basin are compound by one layer or more FRP sheet material wrapping layer and steel upper base plate, steel intermediate plate and steel bottom basin bonding
It forms, the outer surface of package steel upper base plate, steel intermediate plate and steel bottom basin, the basin of compound bottom basin is completely covered in FRP sheet material wrapping layer
The additional circumferential winding bonding FRP constraint band of wall surrounding lateral surface, reinforces rubber layer by more than one FRP cylindricality grid and rubber
Layer vulcanization formed it is whole, two-by-two between FRP cylindricality grid by several lacings along radial interconnection, FRP cylindricality grid is complete
It being wrapped within rubber layer entirely, outer edge of the outermost layer FRP cylindricality grid surrounding outer edge apart from rubber layer is not less than 5mm,
The axis direction of FRP cylindricality grid is vertical consistent with reinforcement rubber layer, reinforces the basin that rubber layer is embedded at compound bottom basin completely
Intracavitary portion, the downwardly convex annular protrusion of circumferential one week of the setting in downside of compound intermediate plate, annular protrusion is embedded in compound
In bottom basin pelvic cavity, it is covered in the upper surface for reinforcing rubber layer, and be equipped with sealing at the position that annular protrusion and compound bottom basin cooperate
Circle, antifriction liner plate are set between compound upper base plate and compound intermediate plate.
The material of the FRP sheet material wrapping layer, FRP cylindricality grid and FRP constraint band is that carbon fiber, basalt are fine
One of dimension, glass fibre and assorted fibre are a variety of.
The FRP sheet material wrapping layer is wrapped in steel upper base plate, steel intermediate plate and steel bottom basin by epoxy resin glue
Outer surface.
The FRP cylindricality grid is made of two or more circumferential direction FRP items and several longitudinal direction FRP item bondings, height
Less than the height of rubber layer.
The antifriction liner plate is preferably polyfluortetraethylene plate.
In the utility model structure, do not change pot rubber bearing material therefor in the market, uses FRP cylindricality grid and rubber
The reinforcement rubber layer that glue-line is sulfided into replaces traditional General Purpose Rubber layer, and vibration is consumed by the elasticity of rubber, Hysteresis Behavior
Can, FRP cylindricality grid also assures the continuity of rubber layer constraining while the transversely deforming of inner rubber, increase
The globality of rubber layer greatly improves the bearing capacity of whole pot rubber bearing, improves the rigidity of rubber layer and whole
The recovery capability of body；Compound upper base plate, compound intermediate plate and the compound bottom basin of pot rubber bearing are by one layer or more FRP sheet material
Wrapping layer and steel upper base plate, steel intermediate plate and steel bottom basin bonding are combined, using the intrinsic endurance of FRP sheet material, it is corrosion-resistant,
The characteristics such as creep resistant provide a protection in pot rubber bearing periphery, extend the service life of pot rubber bearing；It is multiple
The additional circumferential winding bonding FRP constraint band of tub wall surrounding lateral surface of bottom basin is closed, FRP constraint band more efficient can constrain
The deformation of steel basin prevents steel basin due to cracking caused by mass defect and inner rubber expansion.
The utility model advantage is significant, has the advantages that
(1) reinforce rubber layer and inner rubber is constrained by FRP cylindricality grid, it is whole that lacing is linked as FRP cylindricality grid
Body works together, can effectively constrain the transversely deforming of inner rubber, so that rubber layer is had stronger recovery capability, mentions
High internal damping, improves damping energy dissipation ability, the energy that more effective consumption vibration generates.
(2) when FRP cylindricality grid and rubber layer vulcanize integral, the presence of mesh makes the laterally consecutive area of rubber layer
Significantly increase, considerably increase the globality between rubber layer, improves the overall work of rubber layer Yu FRP cylindricality grid
Energy.
(3) outer surface for being wrapped in steel upper base plate, steel intermediate plate and steel bottom basin is completely covered using FRP sheet material wrapping layer,
Form compound upper base plate, compound intermediate plate and compound bottom basin, the lightweight of FRP sheet material wrapping layer, high-strength, high temperature resistant, corrosion-resistant etc.
Characteristic provides effective protection for pot rubber bearing, it is therefore prevented that the corrosion of steel plate, extend pot rubber bearing uses the longevity
Life.
(4) the additional circumferential winding bonding FRP constraint band of the tub wall surrounding lateral surface of compound bottom basin, FRP constraint band energy
The deformation of enough more efficient constraint steel basins, prevents steel basin due to cracking caused by mass defect and inner rubber expansion, improves
Bearing capacity.
Detailed description of the invention:
Fig. 1 is the direction across bridge semi-section and half elevation schematic diagram of a kind of inside and outside lateral confinement pot rubber bearing；
Fig. 2 is a kind of structural upright decomposition diagram of inside and outside lateral confinement pot rubber bearing；
Fig. 3 is a kind of structural decomposition diagram of the reinforcement rubber layer of inside and outside lateral confinement pot rubber bearing；
Fig. 4 is a kind of plane section schematic diagram of the reinforcement rubber layer of inside and outside lateral confinement pot rubber bearing；
Fig. 5 is a kind of cross-sectional view of the reinforcement rubber layer of inside and outside lateral confinement pot rubber bearing；
Fig. 6 is a kind of FRP cylindricality grid schematic perspective view of inside and outside lateral confinement pot rubber bearing；
Fig. 7 is a kind of compound upper base plate structural decomposition diagram of inside and outside lateral confinement pot rubber bearing；
Fig. 8 is a kind of compound intermediate plate structural decomposition diagram of inside and outside lateral confinement pot rubber bearing；
Fig. 9 is a kind of compound bottom basin structural decomposition diagram of inside and outside lateral confinement pot rubber bearing；
In the accompanying drawings, 1 is compound upper base plate；11 be steel upper base plate；12 be antifriction liner plate；2 be compound intermediate plate；21 be steel
Intermediate plate；201 be annular protrusion；3 be reinforcement rubber layer；31 be FRP cylindricality grid；32 be rubber layer；33 be lacing；311 are
Circumferential FRP item；312 be longitudinal direction FRP item；4 be compound bottom basin；41 be steel bottom basin；42 be tub wall；43 be FRP constraint band；5 are
FRP sheet material wrapping layer；6 be sealing ring.
Specific embodiment:
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.The utility model provides a kind of inside and outside lateral confinement pot rubber bearing, from top to bottom
It is followed successively by compound upper base plate 1, antifriction liner plate 12, compound intermediate plate 2, reinforces rubber layer 3 and compound bottom basin 4, which is characterized in that is multiple
Close seat board 1, compound intermediate plate 2 and compound bottom basin 4 by one layer or more FRP sheet material wrapping layer 5 and steel upper base plate 11, steel among
Plate 21 and the bonding of steel bottom basin 41 are combined, and package steel upper base plate 11,21 and of steel intermediate plate is completely covered in FRP sheet material wrapping layer 5
The outer surface of steel bottom basin 41, the additional circumferential winding bonding FRP constraint band 43 of the 42 surrounding lateral surface of tub wall of compound bottom basin 4, adds
Strong rubber layer 3 forms entirety by more than one FRP cylindricality grid 31 and the vulcanization of rubber layer 32, two-by-two between FRP cylindricality grid 31
By several lacings 33 along radial interconnection, FRP cylindricality grid 31 is wrapped in completely within rubber layer 32, outermost layer
Outer edge of the 31 surrounding outer edge of FRP cylindricality grid apart from rubber layer 32 is not less than 5mm, the axis direction of FRP cylindricality grid 31
Unanimously reinforce rubber layer 3 with the vertical of rubber layer 3 is reinforced and be embedded inside the pelvic cavity of compound bottom basin 4 completely, compound intermediate plate 2
Circumferential one week of the setting in downside downwardly convex annular protrusion 201, annular protrusion 201 is embedded in compound 4 pelvic cavity of bottom basin
It is interior, it is covered in the upper surface for reinforcing rubber layer 3, and be equipped with sealing ring at the position that annular protrusion 201 and compound bottom basin 4 cooperate
6, antifriction liner plate 12 is set between compound upper base plate 1 and compound intermediate plate 2.
The material of the FRP sheet material wrapping layer 5, FRP cylindricality grid 31 and FRP constraint band 43 is carbon fiber, the Black Warrior
One of rock fiber, glass fibre and assorted fibre are a variety of.
The FRP sheet material wrapping layer 5 is wrapped in steel upper base plate 11, steel intermediate plate 21 and steel by epoxy resin glue
The outer surface of bottom basin 41.
The FRP cylindricality grid 31 is by two or more circumferential direction FRP items 311 and several bonding systems of longitudinal direction FRP item 312
At height is less than the height of rubber layer 32.
The antifriction liner plate 12 is preferably polyfluortetraethylene plate.
Embodiment:
As shown in the picture, a kind of inside and outside lateral confinement pot rubber bearing, one layer or more FRP sheet material wrapping layer 5 is passed through
Impregnation wraps up respectively to be bonded in steel upper base plate 11, steel intermediate plate 21 and steel bottom basin 41, and compound upper base plate 1, compound centre are formed
Plate 2 and compound bottom basin 4, FRP cylindricality grid 31 by lacing 33 connect it is integral and integral with 32 complete cure of rubber layer,
It is formed and reinforces rubber layer 3, rubber layer 3 will be reinforced and be placed in compound bottom basin 4, the height for reinforcing rubber layer 3 is less than compound bottom basin 4
Housing depth, the annular protrusion 201 of compound intermediate plate 2 are embedded in compound bottom basin 4, are located at and reinforce 3 top of rubber layer, and in convex annular
The position setting sealing ring 6 of 201 and the cooperation of compound bottom basin 4 is played, then antifriction liner plate 12 is embedded in the top of compound intermediate plate 2,
Axis is consistent with the center line of compound intermediate plate 2, finally covers compound upper base plate 1, forms a kind of inside and outside lateral confinement benzvalene form rubber
Glue support.
Claims (5)
1. a kind of inside and outside lateral confinement pot rubber bearing, be followed successively by from top to bottom compound upper base plate (1), antifriction liner plate (12),
Compound intermediate plate (2) reinforces rubber layer (3) and compound bottom basin (4), which is characterized in that compound upper base plate (1), compound intermediate plate
(2) and compound bottom basin (4) is by one layer or more FRP sheet material wrapping layer (5) and steel upper base plate (11), steel intermediate plate (21) and steel bottom
Basin (41) bonding is combined, and package steel upper base plate (11), steel intermediate plate (21) and steel is completely covered in FRP sheet material wrapping layer (5)
The outer surface of bottom basin (41), the additional circumferential winding bonding FRP constraint band of tub wall (42) surrounding lateral surface of compound bottom basin (4)
(43), reinforce rubber layer (3) and entirety is formed by more than one FRP cylindricality grid (31) and rubber layer (32) vulcanization, two-by-two FRP column
By several lacings (33) along radial interconnection between shape grid (31), FRP cylindricality grid (31) is wrapped in rubber completely
Within glue-line (32), outer edge of outermost layer FRP cylindricality grid (31) the surrounding outer edge apart from rubber layer (32) is not less than 5mm,
The axis direction of FRP cylindricality grid (31) is vertical consistent with reinforcement rubber layer (3), reinforces rubber layer (3) completely embedded at again
Inside the pelvic cavity for closing bottom basin (4), the downwardly convex annular protrusion of circumferential one week of the setting in downside of compound intermediate plate (2)
(201), annular protrusion (201) is embedded in compound bottom basin (4) pelvic cavity, is covered in the upper surface for reinforcing rubber layer (3), and in ring
The position of shape protrusion (201) and compound bottom basin (4) cooperation is equipped with sealing ring (6), and antifriction liner plate (12) is set to compound upper base plate
(1) between compound intermediate plate (2).
2. a kind of inside and outside lateral confinement pot rubber bearing as described in claim 1, it is characterised in that the FRP sheet material packet
The material of covering layer (5), FRP cylindricality grid (31) and FRP constraint band (43) be carbon fiber, basalt fibre, glass fibre and
One of assorted fibre is a variety of.
3. a kind of inside and outside lateral confinement pot rubber bearing as described in claim 1, it is characterised in that the FRP sheet material packet
Covering layer (5) is wrapped in the outer surface of steel upper base plate (11), steel intermediate plate (21) and steel bottom basin (41) by epoxy resin glue.
4. a kind of inside and outside lateral confinement pot rubber bearing as described in claim 1, it is characterised in that the FRP cylindricality net
Lattice (31) are made of two or more circumferential direction FRP items (311) and several longitudinal direction FRP item (312) bondings, and height is less than rubber layer
(32) height.
5. a kind of inside and outside lateral confinement pot rubber bearing as described in claim 1, it is characterised in that the antifriction liner plate
It (12) is preferably polyfluortetraethylene plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477541.3U CN208917680U (en) | 2018-09-04 | 2018-09-04 | A kind of inside and outside lateral confinement pot rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477541.3U CN208917680U (en) | 2018-09-04 | 2018-09-04 | A kind of inside and outside lateral confinement pot rubber bearing |
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| Publication Number | Publication Date |
|---|---|
| CN208917680U true CN208917680U (en) | 2019-05-31 |
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ID=66705024
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821477541.3U Active CN208917680U (en) | 2018-09-04 | 2018-09-04 | A kind of inside and outside lateral confinement pot rubber bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
-
2018
- 2018-09-04 CN CN201821477541.3U patent/CN208917680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhenjiang Heng An Civil Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000057 Denomination of utility model: Internal and external transverse constraint basin-type rubber support Granted publication date: 20190531 License type: Common License Record date: 20190912 Assignee: Hefei Shuang Dao run Highway Engineering Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000058 Denomination of utility model: Internal and external transverse constraint basin-type rubber support Granted publication date: 20190531 License type: Common License Record date: 20190912 Assignee: Limited by Share Ltd Beijing nine road detection technology Assignor: Nanjing Forestry University Contract record no.: X2019320000056 Denomination of utility model: Internal and external transverse constraint basin-type rubber support Granted publication date: 20190531 License type: Common License Record date: 20190912 |
|
| EE01 | Entry into force of recordation of patent licensing contract |