CN106758792B - A kind of bridge pad - Google Patents
A kind of bridge pad Download PDFInfo
- Publication number
- CN106758792B CN106758792B CN201611219650.0A CN201611219650A CN106758792B CN 106758792 B CN106758792 B CN 106758792B CN 201611219650 A CN201611219650 A CN 201611219650A CN 106758792 B CN106758792 B CN 106758792B
- Authority
- CN
- China
- Prior art keywords
- liner plate
- plate
- spherical crown
- crown liner
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/043—Roller bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
Abstract
The present invention relates to a kind of bridge pads, belong to bridge construction technology field, including upper bracket plate and lower support plate, the upper bracket plate slidably connects intermediate liner plate, intermediate liner plate is located at the lower section of upper bracket plate, the intermediate liner plate is slidably connected by spherical crown liner plate and lower support plate, the top of the spherical crown liner plate is connect by the first fender pile with intermediate liner plate, the top of the spherical crown liner plate is located in the upper spherically mounted hole of intermediate liner plate lower part, and the lower part of the spherical crown liner plate is located in the lower peripheral surface mounting hole on lower support plate top.The present invention have bigger corner and turning power, the outer active force that bridge is born can be offset, can avoid the problem that due to bearing corner limit caused by directly by active force be transferred to bridge beam body in itself, cause beam body unrepairable damage the advantages of.
Description
Technical field
The present invention relates to a kind of bridge pads, belong to bridge construction technology field more particularly to a kind of bridge ball-type branch
Seat.
Background technology
Bridge needs the support section for using bearing as bridge span structure in structure design, bears for offsetting bridge
Applied external force, for example, both sides track vehicular traffic on bridge when driving to the pressure of bridge.By taking spherical bearing as an example, when
When having the vehicle to pass through bridge, spherical bearing meets bridge by the slip of plane stainless steel plate and plane polyfluortetraethylene plate
Horizontal displacement requirement meets the rotation of bridge, normal by the slip of curved surface polyfluortetraethylene plate and curved surface stainless steel plate
In the case of, bearing can meet the needs of actual condition.But when there is heavy-duty vehicle to concentrate on the side of bridge when driving, with
Vehicle is for the right travel of bridge, and the right side of bearing is vertical on the right side of bearing by the downward pressure of vehicle vertical at this time
Have the tendency that moving up under the action of power, on the left of bearing, but by the barrier effect of plane stainless steel plate, a left side for bearing
Side can not move up, and be that the spherical crown liner plate of bearing can not move on vertical so as to caused by, can only be carried out in lower section curved surface
Small-scale rotation also just says that the corner of bearing is restricted, and resulting negative consequence is, vehicle by short time
Interior, bearing has little time to offset the active force of vehicle, so as to which most of active force be made to be transferred directly to bridge beam body or even in side
Under the great operating mode of pressure of vehicle（For example there is during overloaded vehicle）, it may appear that bearing failure, liner plate it is stuck cannot rotate, can not
Vehicle is offset to the situation of bridge beam body active force, most vehicle active force is transferred to beam body in itself at last, and bridge is caused can not
The damage of reparation.In addition, China is the country of earthquake more than one, the anti-seismic performance of existing spherical bearing is difficult to meet resistance violent earthquake
Requirement.
Invention content
To solve above technical deficiency, the present invention provides a kind of bridge pads, have corner and the rotation of bigger
Ability can offset the outer active force that bridge is born, and can avoid directly transmitting active force caused by limiting due to bearing corner
To bridge beam body in itself, cause beam body unrepairable damage the problem of.
Technical scheme is as follows：A kind of bridge pad, including upper bracket plate and lower support plate, the upper bracket plate
Intermediate liner plate is slidably connected, intermediate liner plate is located at the lower section of upper bracket plate, and the intermediate liner plate passes through spherical crown liner plate and lower branch
Seat board is slidably connected, and the top of the spherical crown liner plate is connect by the first fender pile with intermediate liner plate, the spherical crown liner plate it is upper
Portion is located in the upper spherically mounted hole of intermediate liner plate lower part, and the lower part of the spherical crown liner plate is located at the lower peripheral surface on lower support plate top
In mounting hole.
Technical scheme of the present invention further includes：The upper surface of the lower support plate is equipped with locating ring, the spherical crown liner plate
Set on the part of lower peripheral surface mounting hole fluted, one end of the locating ring is located in the groove.
Technical scheme of the present invention further includes：The upper surface of horizontal plane and lower support plate where the center circle of the groove
Concordantly, the depth of the groove is more than or equal to 10mm, and the width of the groove is 30~50mm.
Technical scheme of the present invention further includes：The length that the locating ring is located at the groove is more than or equal to 10mm, positioning
The thickness of ring is 10~15mm.
Technical scheme of the present invention further includes：The spherical crown liner plate include upper spherical crown liner plate and lower spherical crown liner plate, it is described on
Spherical crown liner plate is located in upper spherically mounted hole, and lower spherical crown liner plate is located in lower peripheral surface mounting hole, and the lower spherical crown liner plate passes through
Two fender piles are connect with upper spherical crown liner plate.
Technical scheme of the present invention further includes：The faying face of the upper spherical crown liner plate and lower spherical crown liner plate uses sawtooth knot
Structure.
Technical scheme of the present invention further includes：The a height of 2mm of tooth of the broached-tooth design, the facewidth of the broached-tooth design are
4mm。
Technical scheme of the present invention further includes：Spherical surface polyfluortetraethylene plate, institute are provided in the upper spherically mounted hole
It states and lower peripheral surface polyfluortetraethylene plate is provided in lower peripheral surface mounting hole.
Technical scheme of the present invention further includes：The upper surface of the intermediate liner plate is provided with raceway, is installed in the raceway
There is spin.
Technical scheme of the present invention further includes：The depth of the raceway is 2mm, and the width of raceway is 2.5~8mm, described
The diameter of spin is 5~10mm.
The beneficial effects of the invention are as follows：By designing intermediate liner plate, slided using the upper surface and upper bracket plate of intermediate liner plate
Dynamic connection meets horizontal displacement requirement during bearing normal work, spherically mounted hole is set in the lower part of intermediate liner plate, under
The top setting lower peripheral surface mounting hole of support plate, installs a spherical crown liner plate, which can using upper and lower spherically mounted hole
Rotating requires when meeting bearing normal work, i.e. the first fender pile connects intermediate liner plate with spherical crown liner plate integral, passes through
The rotation of bearing is realized in slip of the lower part of spherical crown liner plate in the lower peripheral surface mounting hole of lower support plate, also, when bridge side
When stress is excessive, the first fender pile is cut under external force, at this point, spherical crown liner plate can be slided with intermediate liner plate, i.e.,
The rotation of full angle is carried out in the complete sphere that spherical crown liner plate can be formed in upper and lower spherically mounted hole, is provided with turning for bigger
Angle and turning power meet the requirement of bridge big corner, can utilize rotation of the spherical crown liner plate in upper and lower spherically mounted hole
The external force that bridge is born directly is offset, avoids that active force directly is transferred to bridge beam body sheet caused by limiting due to bearing corner
Body causes the problem of beam body unrepairable damage.
Description of the drawings
Fig. 1 is the schematic front view of the present invention.
Fig. 2 is the raceway schematic diagram of liner plate among the present invention.
1st, upper bracket plate, the 2, first fender pile, 3, spin, 4, upper spherical surface polyfluortetraethylene plate, 5, intermediate liner plate, 51, rolling
Road, 6, upper spherical crown liner plate, the 7, second fender pile, 8, locating ring, 9, rubber dust-proof ring, 10, lower spherical crown liner plate, 11, lower peripheral surface gathers
Tetrafluoroethene plate, 12, lower support plate.
Specific embodiment
Below in conjunction with attached drawing, by embodiment, the invention will be further described.
As depicted in figs. 1 and 2, bridge pad of the invention is designed mainly for following two aspects：It is design first
Spherical bearing with more big corner and turning power can offset the outer active force that bridge is born, to avoid due to bearing corner
Caused by limitation directly by active force be transferred to bridge beam body in itself, cause beam body unrepairable damage the problem of；Secondly it sets
Meter has more preferable cushioning ability, the spherical bearing that can resist violent earthquake, using two fender piles, can consume largely
Shake energy, makes energy transmission few as possible in itself, violent earthquake be avoided to cause to damage to beam body to beam body.
The bridge pad of the present invention, including upper bracket plate 1 and lower support plate 12, wherein, during upper bracket plate 1 slidably connects
Between liner plate 5, which is located at the lower section of upper bracket plate 1, specifically, the upper surface of intermediate liner plate 5 is provided with raceway
51, spin 3 is installed in the raceway 51, is slided using liner plate 5 among the scrolling realization of spin 3 is opposite with upper bracket plate 1, it is full
Horizontal displacement requirement when football-shape bearing works normally.
In the embodiment of the present invention, for the depth design of raceway 51 into 2mm, the width design of raceway 51 is 2.5~8mm, is rolled
The diameter design of ball 3 can meet the design requirement of most bridges into 5~10mm, applied widely.Specifically, spin 3 is straight
Diameter can select 5mm, 7mm, 10mm, and the value of 51 width of corresponding raceway can select 2.5mm, 4.5mm, 8mm, at this time comprehensive effect
Fruit is preferable.
Intermediate liner plate 5 is slidably connected by spherical crown liner plate and lower support plate 12, wherein, the top of spherical crown liner plate passes through first
Fender pile 2 is connect with intermediate liner plate 5, and the top of spherical crown liner plate is located in the upper spherically mounted hole of intermediate 5 lower part of liner plate, spherical crown lining
The lower part of plate is located in the lower peripheral surface mounting hole on 12 top of lower support plate.When spherical bearing works normally, intermediate liner plate 5 and ball
Hat liner plate is connected integral by the first fender pile 2, is installed by the lower peripheral surface of the lower part of spherical crown liner plate in lower support plate 12
The rotation of bearing is realized in slip in hole, meets the requirement of bridge corner under normal circumstances.Bridge side stress mistake is occurring
When big, the first fender pile 2 is cut under external force, at this point, spherical crown liner plate can be slided with intermediate liner plate 5, i.e. spherical crown
The rotation of full angle is carried out in the complete sphere that liner plate can be formed in upper and lower spherically mounted hole, be provided with bigger corner and
Turning power meets the requirement of bridge big corner, and rotation of the spherical crown liner plate in upper and lower spherically mounted hole can be utilized direct
Offset the external force born of bridge, avoid caused by being limited due to bearing corner directly by active force be transferred to bridge beam body in itself,
The problem of beam body unrepairable is caused to damage.
In the embodiment of the present invention, in order to increase the promptness that the first fender pile 2 responds under external force, it is fixed to devise
Position ring 8.Specifically, one end of the locating ring 8 is mounted on the upper surface of lower support plate 12, the other end of locating ring 8 stretches into
It is located in the groove formed on the part of lower peripheral surface mounting hole in spherical crown liner plate.When bridge side stress is excessive, locating ring 8 by
Extruding force acts on, and stress side supports the top of fluted roller, so as to play barrier effect to spherical crown liner plate and lower support plate 12,
So that no longer being slided between spherical crown liner plate and lower support plate 12, the first fender pile 2 is in the blocking of outer active force and locating ring 8
It is cut in time under effect, increases action response, and then neutralization effect of the spherical bearing to external force can be increased.
Specifically, the design structure of groove is：Horizontal plane and the upper surface of lower support plate 12 where the center circle of groove
Concordantly, the depth of groove is more than or equal to 10mm, and the width of groove is 30~50mm, recess width can take 30mm, 40mm,
50mm.The design structure of locating ring 8 is：The length that locating ring 8 is located at groove is more than or equal to 10mm, and the thickness of locating ring 8 is 10
~15mm, the thickness of locating ring 8 can take 10mm, 12mm, 15mm, can increase the positioning barrier effect of locating ring 8, improve whole
The external force neutralization effect of a spherical bearing.
In the embodiment of the present invention, in order to meet the resistance needs of violent earthquake, spherical crown liner plate is designed to split type
Structure, i.e. spherical crown liner plate are designed to the upper spherical crown liner plate 6 connected by the second fender pile 7 and lower spherical crown liner plate 10, wherein, upper ball
Hat liner plate 6 is located in upper spherically mounted hole, and lower spherical crown liner plate 10 is located in lower peripheral surface mounting hole.Violent earthquake etc. is not affected by bridge
During larger external force, upper spherical crown liner plate 6 is used as an entirety in lower spherical crown liner plate 10 under the connection function of the second fender pile 7
Between liner plate 5 slide；Special violent earthquake is occurring when other bridges are by larger external impacts, the significant horizontal power handle of bridge pier
Second fender pile 7 is cut, and part energy need to be consumed when cutting the second fender pile 7, and hereafter upper spherical crown liner plate 6 is served as a contrast with lower spherical crown
Opposite slide occurs for plate 10 can continue to consume energy again, play the function of damping, disclosure satisfy that the resistance design of violent earthquake will
It asks.
In order to enhance the damping effect of spherical bearing, the faying face of upper spherical crown liner plate 6 and lower spherical crown liner plate 10 is designed to
Using broached-tooth design, a large amount of seismic energy can be consumed to mill using laciniation.Specifically, the tooth height of broached-tooth design is set
2mm is calculated as, the Design of Tooth Width of Right Shaft of broached-tooth design is 4mm.
In order to extend the service life of spherical bearing and enhance the turning power of bearing, it is provided in upper spherically mounted hole
Upper spherical surface polyfluortetraethylene plate 4, is provided with lower peripheral surface polyfluortetraethylene plate 11 in lower peripheral surface mounting hole, during work, upper spherical crown
Liner plate 6 is slided by upper spherical surface polyfluortetraethylene plate 4 and intermediate liner plate 5, and lower spherical crown liner plate 10 passes through lower peripheral surface polytetrafluoroethylene (PTFE)
Plate 11 is slided with lower support plate 12.
During assembling, upper bracket plate 1 is contacted with intermediate liner plate 5 by spin 3, passes through the phase of both scrolling realizations of spin 3
To sliding, upper spherical surface polyfluortetraethylene plate 4 is equipped between intermediate liner plate 5 and upper spherical crown liner plate 6, the first fender pile 2 is a part of embedding
Enter intermediate liner plate 5, the upper spherical crown liner plate 6 of another part insertion, the embedded upper spherical crown liner plate 6 of 7 part of the second fender pile, another part
Embedded lower spherical crown liner plate 10, is contacted between upper spherical crown liner plate 6 and lower spherical crown liner plate 10 by broached-tooth design.In lower spherical crown liner plate 10
Equipped with groove, 8 overhanging portion of locating ring is inserted into groove, and lower spherical crown liner plate 10 is equipped with lower peripheral surface polytetrafluoroethyl-ne with lower support plate 12
Alkene plate 11 is equipped with rubber dust-proof ring 9 between lower support plate 12 and intermediate liner plate 5, is risen with offsetting the spherical crown liner plate of energy to rotation
To protective action, prolong the service life, increase the reliability that bearing uses.
The above is only presently preferred embodiments of the present invention, and limitation in any form is not done to the present invention, all at this
All any modification, equivalent and improvement etc. are done within the spirit and principle of invention, should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of bridge pad, including upper bracket plate（1）And lower support plate（12）, it is characterised in that：The upper bracket plate（1）It is sliding
It is dynamic to be connected with intermediate liner plate（5）, intermediate liner plate（5）Positioned at upper bracket plate（1）Lower section, the intermediate liner plate（5）Pass through spherical crown
Liner plate and lower support plate（12）It is slidably connected, the top of the spherical crown liner plate passes through the first fender pile（2）With intermediate liner plate（5）Even
It connects, the top of the spherical crown liner plate is located at intermediate liner plate（5）In the upper spherically mounted hole of lower part, the lower portion of the spherical crown liner plate
In lower support plate（12）In the lower peripheral surface mounting hole on top.
2. a kind of bridge pad as described in claim 1, it is characterised in that：The lower support plate（12）Upper surface be equipped with
Locating ring（8）, the spherical crown liner plate, which is located on the part of lower peripheral surface mounting hole, sets fluted, the locating ring（8）One end
In the groove.
3. a kind of bridge pad as claimed in claim 2, it is characterised in that：Horizontal plane where the center circle of the groove with
Lower support plate（12）Upper surface it is concordant, the depth of the groove is more than or equal to 10mm, and the width of the groove is 30~50mm.
4. a kind of bridge pad as claimed in claim 3, it is characterised in that：The locating ring（8）Positioned at the length of the groove
Degree is more than or equal to 10mm, locating ring（8）Thickness be 10~15mm.
5. a kind of bridge pad as described in Claims 1-4 is any, it is characterised in that：The spherical crown liner plate includes upper spherical crown
Liner plate（6）With lower spherical crown liner plate（10）, the upper spherical crown liner plate（6）In upper spherically mounted hole, lower spherical crown liner plate（10）Position
In in lower peripheral surface mounting hole, the lower spherical crown liner plate（10）Pass through the second fender pile（7）With upper spherical crown liner plate（6）Connection.
6. a kind of bridge pad as claimed in claim 5, it is characterised in that：The upper spherical crown liner plate（6）With lower spherical crown liner plate
（10）Faying face use broached-tooth design.
7. a kind of bridge pad as claimed in claim 6, it is characterised in that：The a height of 2mm of tooth of the broached-tooth design, the saw
The facewidth of toothing is 4mm.
8. a kind of bridge pad as claimed in claim 5, it is characterised in that：Spherical surface is provided in the upper spherically mounted hole
Polyfluortetraethylene plate（4）, lower peripheral surface polyfluortetraethylene plate is provided in the lower peripheral surface mounting hole（11）.
9. a kind of bridge pad as described in claim 1, it is characterised in that：The intermediate liner plate（5）Upper surface be provided with
Raceway（51）, the raceway（51）Spin is inside installed（3）.
10. a kind of bridge pad as claimed in claim 9, it is characterised in that：The raceway（51）Depth be 2mm, raceway
（51）Width for 2.5~8mm, the spin（3）Diameter be 5~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219650.0A CN106758792B (en) | 2016-12-26 | 2016-12-26 | A kind of bridge pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219650.0A CN106758792B (en) | 2016-12-26 | 2016-12-26 | A kind of bridge pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106758792A CN106758792A (en) | 2017-05-31 |
| CN106758792B true CN106758792B (en) | 2018-07-06 |
Family
ID=58926444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611219650.0A Expired - Fee Related CN106758792B (en) | 2016-12-26 | 2016-12-26 | A kind of bridge pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106758792B (en) |
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| CN107858918B (en) * | 2017-10-30 | 2024-01-19 | 青岛德固特轨道装备有限公司 | Quick-assembling and disassembling jaw type stress-free fixing ball support |
| CN108004915B (en) * | 2017-11-30 | 2023-08-11 | 中铁二院工程集团有限责任公司 | Novel friction pendulum support |
| CN107806011B (en) * | 2017-11-30 | 2023-08-22 | 中铁二院工程集团有限责任公司 | Small-deformation friction pendulum support |
| CN107841942B (en) * | 2017-11-30 | 2023-08-11 | 中铁二院工程集团有限责任公司 | Hyperboloid friction pendulum support |
| CN107794839B (en) * | 2017-11-30 | 2023-07-25 | 中铁二院工程集团有限责任公司 | Limiting device of shock-absorbing and isolating support |
| CN108301318B (en) * | 2018-01-11 | 2019-07-23 | 旗舰集团有限公司 | A kind of bridge |
| CN108589560B (en) * | 2018-04-04 | 2019-06-21 | 武汉二航路桥特种工程有限责任公司 | Bridge cast steel list roller support correction restorative procedure |
| CN108677698B (en) * | 2018-06-29 | 2024-03-26 | 浙江秦山橡胶工程股份有限公司 | Shock attenuation large-rotation-angle spherical steel support |
| CN112324000B (en) * | 2020-09-16 | 2022-10-21 | 中国铁路设计集团有限公司 | Shock absorption and energy dissipation method under earthquake action |
| CN114197297A (en) * | 2021-09-28 | 2022-03-18 | 中铁建湖高速公路有限公司 | Soft soil foundation bridge head bump elimination device |
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| CN105755953A (en) * | 2016-04-22 | 2016-07-13 | 中铁二院工程集团有限责任公司 | Triple-friction-pendulum support |
| CN206512593U (en) * | 2016-12-26 | 2017-09-22 | 济南大学 | A kind of bridge pad |
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2016
- 2016-12-26 CN CN201611219650.0A patent/CN106758792B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130500A (en) * | 1998-10-26 | 2000-05-12 | Okumura Corp | Vibration suppressing device |
| CN201635001U (en) * | 2010-02-11 | 2010-11-17 | 柳州东方工程橡胶制品有限公司 | One-way spherical support |
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| Publication number | Publication date |
|---|---|
| CN106758792A (en) | 2017-05-31 |
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Granted publication date: 20180706 Termination date: 20201226 |