CN202227261U - Bridge pedestal capable of dissipating earthquake horizontal force action during earthquake - Google Patents
Bridge pedestal capable of dissipating earthquake horizontal force action during earthquake Download PDFInfo
- Publication number
- CN202227261U CN202227261U CN2011203593180U CN201120359318U CN202227261U CN 202227261 U CN202227261 U CN 202227261U CN 2011203593180 U CN2011203593180 U CN 2011203593180U CN 201120359318 U CN201120359318 U CN 201120359318U CN 202227261 U CN202227261 U CN 202227261U
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- bridge
- moving block
- movable bearing
- speed lock
- earthquake
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Abstract
The utility model relates to a bridge pedestal capable of dissipating earthquake horizontal force action during earthquake. The bridge pedestal comprises a movable bearing support, wherein an upper plate component of the movable bearing support is arranged on an upper rotating block, the upper rotating block is arranged on a lower rotating block which is matched with the upper rotating block, and the upper rotating block and the lower rotating block combine to form a spherical rotating pair; the lower rotating block is arranged on a bottom basin, and the bottom basin is arranged on a lower plate component; and the movable bearing support is formed by the upper plate component, the lower plate component, the upper rotating block and the lower rotating block. The bridge pedestal is characterized in that: an elastic-plastic damper and a speed lock combination body are arranged on the movable bearing support; and the elastic-plastic damper is connected with the movable bearing support by a connecting plate and is connected with a speed lock by an intermediate connecting plate to form a combined bridge bearing support of combining the elastic-plastic damper, the speed lock and the movable bearing support. The bridge pedestal can meet the normal work conditions of bridges and has an effect of protecting the bridges during the earthquake.
Description
Technical field
The utility model relates to a kind of bridge earthquake resistance modular construction, the bridge pad of dissipation earthquake horizontal force action when playing earthquake in particularly a kind of bridge construction.
Background technology
Highway, railway continuous girder bridge generally are anchor blocks of design at present, and all the other are movable pier; The corresponding bearing of bridge generally is designed to common aseismatic bearing, and this just causes brake force, longitudinally brisance etc. bears by anchor block; For the Longspan Bridge in high earthquake region, when doing the bridge earthquake resistance analysis, because movable pier can not disperse the earthquake horizontal force, anchor block but will be born all earthquake horizontal forces, makes that usually the bridge earthquake resistance analysis can't be through checking computations.The traditional design scheme not only scale of construction of anchor block is very big, and whole bridge discontinuity equalization; This design obviously also is uneconomic, designs according to this kind stress model, need add a cover bridge abutment moulding plate, and corresponding engineering cost also increases thereupon, and can't satisfy the bridge earthquake resistance requirement.Consider from the outward appearance aspect,, influence the whole landscape effect of bridge because anchor block and movable pier appearance and size are inconsistent.
Through domestic patent retrieval, do not find patent documentation report as yet relevant for the method for improving the bridge earthquake resistance performance and device.
The utility model content
The purpose of the utility model is to lack to existing bridge pad the deficiency of dissipation earthquake horizontal force: the bridge pad of the earthquake horizontal force that can dissipate when a kind of earthquake is provided.
The technical scheme of the utility model is:
The bridge pad of earthquake horizontal force action can dissipate during a kind of earthquake; Comprise freely movable bearing; The last board component of freely movable bearing is installed in above the moving block, and last moving block is installed on the following moving block that matches with it, and last moving block is combined the revolute pair that forms a sphere with following moving block; Following moving block is installed on the end basin, and end basin is installed in down on the board component; Be combined to form freely movable bearing by last board component, time board component, last moving block and following moving block; Elastoplasticity damper and speed lock assembly are installed on freely movable bearing; The elastoplasticity damper is connected with freely movable bearing through junction plate respectively, is connected with the speed lock through middle connecting plate, forms the combined bridge bearing of an elastoplasticity damper and speed lock and freely movable bearing combination.
The supplementary technology scheme of the utility model is following:
Preferably, the last board component of freely movable bearing is installed in the beam bottom, and following board component is installed on the bridge pier bearing pad pinner.
Preferably, the elastoplasticity damper is that 2, speed lock are 2.
Preferably, the speed lock is installed on the end basin.
Preferably, last moving block is combined the revolute pair that forms a sphere with following moving block and is sealed in basin inside, the end.
Preferably; The speed lock is made up of end cap, cylinder body, piston rod, sealing ring, silicone grease, and piston rod is installed in the cylinder body, and two ends are end cap; Be provided with sealing ring at end cap and piston rod contact portion and end cap and cylinder body coupling part, be perfused with silicone grease at inner chamber of cylinder block.
The beneficial effect of the utility model is: the utility model is installed between bridge and the bridge pier, make carrying that bearing has except itself, the also extra function that increases dissipation earthquake horizontal force is provided the functions such as corner.Dissipation earthquake horizontal force during the utility model earthquake, thus the bridge pier scale of construction reduced, unified the bridge pier size; This kind design not only makes the whole view coordinating and unifying, and can reduce difficulty of construction, accelerating construction progress preferably; Practice thrift construction cost, improve the bridge earthquake resistance security performance.
Description of drawings
Fig. 1 is the elevation of elastoplasticity damper and speed lock assembly bearing.
Fig. 2 is the vertical view of elastoplasticity damper and speed lock assembly bearing.
Fig. 3 is the lateral view of elastoplasticity damper and speed lock assembly bearing.
Fig. 4 is the elevation of speed lock.
Among the figure, 1 is that last board component, 2 is that junction plate one, 3 is that friction pair, 4 is that last moving block, 5 is that junction plate two, 6 is that speed lock, 7 is that moving block, 9 was that board component, 11 was that freely movable bearing, 12 is that piston rod, 13 is that sealing ring, 14 is that silicone grease, 15 is that cylinder body, 16 is an end cap under end basin, 10 was under elastoplasticity damper, 8 was.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 has provided a specific embodiment of the utility model; As shown in Figure 1; Can dissipate when the relating to a kind of earthquake bridge pad of earthquake horizontal force action of the utility model comprises freely movable bearing 11, and the last board component 1 of freely movable bearing 11 is installed in above the moving block 4; Last moving block 4 is installed on the following moving block 8 that matches with it, and last moving block 4 is combined the revolute pair that forms a sphere with following moving block 8; Following moving block 8 is installed in again on the end basin 9, and end basin 9 is installed in down again on the board component 10; By last board component 1, down board component 10, go up moving block 4 and following moving block 8 is combined to form freely movable bearing; Elastoplasticity damper 7 and speed lock 6 assemblys are installed on freely movable bearing; Elastoplasticity damper 7 is connected with freely movable bearing through junction plate 2 respectively, is connected with speed lock 6 through middle connecting plate 5, forms an elastoplasticity damper 7 and the combined bridge bearing of speed lock 6 with the freely movable bearing combination.
The supplementary technology scheme of the utility model is following:
Preferably, the last board component 1 of freely movable bearing is installed in the beam bottom, and following board component 10 is installed on the bridge pier bearing pad pinner.
Preferably, elastoplasticity damper 7 is 2, and the outer likeness in form of elastoplasticity damper 7 capital Es are processed by mild steel, has stable hysteretic characteristic, good low-Cycle Fatigue Characteristics, does not receive the advantages such as influence of environment temperature; Speed lock 6 is 2, and speed lock 6 piston rod when low speed can move freely, in the time of fast, and the piston rod locking.
Preferably, speed lock 6 is installed on the end basin.
Preferably, last moving block 4 is combined the revolute pair that forms a sphere with following moving block 8 and is sealed in end basin 9 inside.
Preferably; Speed lock 6 is made up of end cap 16, cylinder body 15, piston rod 12, sealing ring 13, silicone grease 14; And piston rod 12 is installed in the cylinder body 15; Two ends are end cap 16, are provided with sealing ring 13 at end cap 16 and piston rod 12 contact portions and end cap 16 with cylinder body 15 coupling parts, are perfused with silicone grease 14 at cylinder body 15 inner chambers.
Embodiment one
A kind of elastoplasticity damper and speed lock assembly bearing that is used to bear vertical force between bridge and the bridge pier that be installed in; Comprise freely movable bearing, elastoplasticity damper and speed lock three big parts compositions.Bearing is born vertical load, and bridge deadweight is delivered to bridge pier with various vertical loads such as vehicle-mounted through bearing, and bridge pier is delivered to pile foundation, ground again.Last board component 1 is installed in the beam bottom, and following board component 10 is installed on the bridge pier bearing pad pinner.Under the bridge nominal situation, the utility model act on the freely movable bearing unanimity, when bridge caused creep by reasons such as temperature, the utility model allowed bridge vertically slowly to move.When earthquake took place, the speed lock 6 in the utility model was had an effect, and speed lock 6 is carried out lock function fast, and after 6 lockings of speed lock, the intermediate arm of elastoplasticity damper 7 and 6 lockings of speed lock are linked to be an integral body; Under seismic force effects; Bridge drives goes up board component 1 fast moving; Last board component 1 is delivered to speed lock 6 to seismic forces again; Speed lock 6 is delivered to seismic forces the intermediate arm of elastoplasticity damper 7 at last, moves along with the intermediate arm of elastoplasticity damper 7 is constantly round, and elastoplasticity damper 7 absorbs and the dissipation seismic energies.Can dissipate in theory 60% seismic energy of elastoplasticity damper 7 has reduced earthquake widely to the destruction of bridge effect.
Concrete operating principle is following:
Under normal circumstances, when bridge caused creep by variations in temperature, the bridge drive was gone up board component 1 and is moved along the bridge, because the piston rod of speed lock 6 is installed on the board component 1, this moment, piston rod and last board component 1 moved along the bridge simultaneously; The cylinder body speed of related movement of the piston rod of speed lock 6 and speed lock 6 is slow this moment, and speed lock 6 is not carried out lock function, and under this operating mode, elastoplasticity damper 7 and junction plate 25 are in static relatively, and the elastoplasticity damper is not subjected to displacement.
Under earthquake conditions, when bridge caused fast moving by earthquake, the bridge drive was gone up board component 1 and is moved along the bridge, because the piston rod 12 of speed lock 6 is installed on the board component 1, this moment, piston rod 12 moved along the bridge with last board component 1 simultaneously; Because the piston rod 12 of speed lock 6 is very fast with cylinder body 15 speed of related movements of speed lock 6; Speed lock 6 is carried out lock function rapidly; When board component 1 suitable bridge is gone up in bridge continuation drive to fast moving; Last board component 1 drives elastoplasticity damper intermediate arm and moves through piston rod, the cylinder body 15 of speed lock 6, the junction plate 25 of speed lock 6, and the elastoplasticity damper gets into the power consumption stage.
Claims (6)
1. the bridge pad of earthquake horizontal force action can dissipate during an earthquake; Comprise freely movable bearing; The last board component of freely movable bearing is installed in above the moving block, and last moving block is installed on the following moving block that matches with it, and last moving block is combined the revolute pair that forms a sphere with following moving block; Following moving block is installed on the end basin, and end basin is installed in down on the board component; Be combined to form freely movable bearing by last board component, time board component, last moving block and following moving block; It is characterized in that, elastoplasticity damper and speed lock assembly are installed on freely movable bearing; The elastoplasticity damper is connected with freely movable bearing through junction plate respectively, is connected with the speed lock through middle connecting plate, forms the combined bridge bearing of an elastoplasticity damper and speed lock and freely movable bearing combination.
2. bridge pad as claimed in claim 1 is characterized in that, the last board component of freely movable bearing is installed in the beam bottom, and following board component is installed on the bridge pier bearing pad pinner.
3. bridge pad as claimed in claim 2 is characterized in that, the elastoplasticity damper is that 2, speed lock are 2.
4. bridge pad as claimed in claim 2 is characterized in that the speed lock is installed on the end basin.
5. bridge pad as claimed in claim 1 is characterized in that, last moving block is combined the revolute pair that forms a sphere with following moving block and is sealed in basin inside, the end.
6. bridge pad as claimed in claim 1; It is characterized in that; The speed lock is made up of end cap, cylinder body, piston rod, sealing ring, silicone grease, and piston rod is installed in the cylinder body, and two ends are end cap; Be provided with sealing ring at end cap and piston rod contact portion and end cap and cylinder body coupling part, be perfused with silicone grease at inner chamber of cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203593180U CN202227261U (en) | 2011-09-23 | 2011-09-23 | Bridge pedestal capable of dissipating earthquake horizontal force action during earthquake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203593180U CN202227261U (en) | 2011-09-23 | 2011-09-23 | Bridge pedestal capable of dissipating earthquake horizontal force action during earthquake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227261U true CN202227261U (en) | 2012-05-23 |
Family
ID=46077853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203593180U Expired - Lifetime CN202227261U (en) | 2011-09-23 | 2011-09-23 | Bridge pedestal capable of dissipating earthquake horizontal force action during earthquake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202227261U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409609A (en) * | 2011-09-23 | 2012-04-11 | 株洲时代新材料科技股份有限公司 | Method capable of dissipating effect of horizontal earthquake force during earthquake and bridge bearing |
| CN111236055A (en) * | 2020-03-03 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Anti-seismic movable spherical support of bridge |
| CN111254818A (en) * | 2020-01-21 | 2020-06-09 | 南阳理工学院 | Whole reinforcing apparatus of bridge with shock-absorbing support |
-
2011
- 2011-09-23 CN CN2011203593180U patent/CN202227261U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409609A (en) * | 2011-09-23 | 2012-04-11 | 株洲时代新材料科技股份有限公司 | Method capable of dissipating effect of horizontal earthquake force during earthquake and bridge bearing |
| CN111254818A (en) * | 2020-01-21 | 2020-06-09 | 南阳理工学院 | Whole reinforcing apparatus of bridge with shock-absorbing support |
| CN111236055A (en) * | 2020-03-03 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Anti-seismic movable spherical support of bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |