CN206408513U - Bridge isolation mounting - Google Patents
Bridge isolation mounting Download PDFInfo
- Publication number
- CN206408513U CN206408513U CN201720075862.XU CN201720075862U CN206408513U CN 206408513 U CN206408513 U CN 206408513U CN 201720075862 U CN201720075862 U CN 201720075862U CN 206408513 U CN206408513 U CN 206408513U
- Authority
- CN
- China
- Prior art keywords
- bridge
- damping wheel
- damping
- planetary gears
- pedestal
- 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.)
- Withdrawn - After Issue
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of bridge isolation mounting, it is supported on multiple damping wheels on the pedestal jointly including pedestal, by shock-absorbing spring and damper, by multiple damping wheels supportings and rolls the rotary damper that the supporting plate coordinated, the rotation to the damping wheel carry out the planetary gears of speedup and apply damping action for the rotation to damping wheel with damping wheel, this makings can effectively blocks the transmission from bridge pier to bridge to vibrate in earthquake.
Description
Technical field
The utility model is related to bridge aseismic devices field, specifically a kind of bridge isolation mounting.
Background technology
Bridge erection is in rivers,lakes and seas, the building for making traffic etc. smoothly to pass through, referred to as bridge.Bridge it is general by
Superstructure, substructure and attached structure composition, superstructure refer mainly to bridge span structure and support system；Substructure bag
Include abutment, bridge pier and basis；Attached structure then refers to transition slab at bridge head, truncated cone banking, shore protection, training works etc..
Bridge refers to the building built for road across natural or cultural obstacle.Bridge is generally by five big portions
Part and five widgets composition, five big parts refer to that bridge bears the spanning superstructure of automobile or other vehicle transport loads with
Portion's structure, be bridge structure safe guarantee include bridge span structure (or bridge opening structure superstructures), bridge pad system,
Bridge pier, abutment, cushion cap, dig a well or pile foundation.Five widgets refer to part directly relevant with bridge service function, and the past is referred to as bridge
Surface construction includes deck paving, waterproof and water drainage system, railing, expansion joint, lighting.Large bridge accessory structure also has end of the bridge
Fort, access bridge etc. is set.
With the development and the raising of construction standard of transportation, bearing in bridge and Other Engineering not only
Play a supporting role, but also with vibration damping, resistance to plucking, release moment of flexure, the effect of resist displacement.At present, occur often in earthquake pre-
The situation that bridge plate processed falls from bridge pier beam, the reason for bridge plate falls from bridge pier beam is, when occurring earthquake,
Generate very big horizontal force and vertical force, make precast bridge plate occurred level displacement and upper and lower displacement, when displacement exceed it is pre-
Bridge plate processed shelving after width on bridge pier, bridge plate will fall, and now, not only bridge is damaged, Er Qieqiao
Serious accident occurs in the upper, pedestrian under bridge and vehicle.
Accordingly, it would be desirable to which a kind of can effectively block the bridge isolation mounting of the transmission vibration from bridge pier to bridge in earthquake.
Utility model content
In view of this, the purpose of this utility model is to overcome defect of the prior art can be in earthquake there is provided one kind
Effectively block the bridge isolation mounting of the transmission vibration from bridge pier to bridge.
Bridge isolation mounting of the present utility model, including pedestal, be supported on jointly by shock-absorbing spring and damper it is described
Damping wheel on pedestal, supported by the damping wheel and roll the supporting plate coordinated with damping wheel, the damping wheel is turned
The dynamic planetary gears for carrying out speedup and the rotary damper for applying damping action for the rotation to damping wheel, the row
The external toothing of star gear mechanism is connected in the damping wheel, and the planet carrier of planetary gears is by can be in the way of clutch and institute
State pedestal connection；The rotary damper includes the active friction disk being connected with the sun gear of planetary gears and with axle
Set and the driven friction disk that coordinates with the active friction disk and for will be described driven to circumferentially fixed mode is slided
Frictional disk presses to the spring I of the active friction disk；
Further, the housing of the planetary gears is fixed on the pedestal, and the planet carrier outer surface is provided with positioning
Groove, the inner walls, which are provided with blind hole, the blind hole, is provided with steel ball and the spring II for steel ball to be pressed to the locating slot；
Further, the outer ring of the planetary gears is connected to the damping wheel by universal drive festival；
Further, it is provided with circumferentially fixed to slide axially in piston cylinder, the piston cylinder on the pedestal in the horizontal direction
Mode be provided with piston, the driven friction disk is arranged at piston-top surface, the spring bullet peak at piston and piston cylinder bottom it
Between；
The beneficial effects of the utility model are：Bridge isolation mounting of the present utility model, pedestal can be fixed on bridge pier, branch
Fagging is used for supporting bridge, and supporting plate is supported by multiple damping wheels simultaneously, and damping wheel is perpendicular by damper and damping spring edge
Nogata is to supporting, so as to realize that the vehicle on buffering and damping action of the supporting plate in vertical direction, bridge causes bridge small size
During degree vibration, bridge will drive supporting plate to vibrate in the horizontal direction, and this rotates driving damping wheel, and damping wheel passes through planetary gear
The rotating speed amplification (now planet carrier is engaged with pedestal makes it keep fixing) of damping wheel is driven active friction disk to turn by mechanism
Dynamic, circumferentially fixed clutch plate is simultaneously final to bridge to hinder driving disc spacing pressing to rotate to being engaged with driving disc spacing pressing by spring I pushing tows
The horizontal vibration by a small margin of beam implements damping action, when occurring earthquake, and ground drives bridge pier to occur violent oscillatory motion, bridge with
The horizontal movement of bridge pier will drive damping wheel to rotate, and the now planet carrier of planetary gears and base-separation, planet carrier can be certainly
By rotating, therefore the rotation of damping wheel will only drive planet carrier idle running, and damping wheel will not be by any damping action, now, bridge
The vibration of pier will not be passed up to bridge, it is ensured that bridge will not be destroyed in earthquake.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of rotary damper of the present utility model；
Fig. 3 is the structural representation of planetary gears of the present utility model；
Fig. 4 is the partial enlarged drawing at A in Fig. 2；
The partial enlarged drawing that Fig. 5 goes out for B in Fig. 3.
Embodiment
Fig. 1 is structural representation of the present utility model；Fig. 2 is the structural representation of rotary damper of the present utility model；
Fig. 3 is the structural representation of planetary gears 6 of the present utility model, as illustrated, the damping device of bridge 5 of the present embodiment,
It is supported on damping wheel 3 on the pedestal 1 jointly including pedestal 1, by shock-absorbing spring and damper, by the damping wheel 3
Support and with damping wheel 3 roll coordinate supporting plate 2, to the damping wheel 3 rotation carry out speedup planetary gears 6 with
And applying the rotary damper of damping action for the rotation to damping wheel 3, the external toothing transmission of the planetary gears 6 connects
The damping wheel 3 is connected to, the planet carrier 12 of planetary gears 6 in the way of clutch with the pedestal 1 can be connected；The rotation
Damper includes the active friction disk 19 being connected with the sun gear 15 of planetary gears 6 and circumferentially fixed to slide axially
Mode set and with the active friction disk 19 coordinate driven friction disk 18 and for the driven friction disk 18 to be pressed
To the spring I of the active friction disk 19, pedestal 1 can be fixed on bridge pier 4, and supporting plate 2 is used for supporting bridge 5, and supporting plate 2
Supported simultaneously by multiple damping wheels 3, damping wheel 3 is vertically supported by damper 9 and damping spring 8, so as to realize branch
Fagging 2 is in the buffering and damping action of vertical direction, and when the vehicle on bridge 5 causes the bridge 5 to vibrate by a small margin, bridge 5 is by band
Dynamic supporting plate 2 is vibrated in the horizontal direction, and this rotates driving damping wheel 3, and damping wheel 3 is by planetary gears 6 by damping wheel 3
Rotating speed amplification (now planet carrier 12 engage with pedestal 1 makes its keep fixing), and drive active friction disk 19 to rotate, circumferentially admittedly
Fixed clutch plate is extremely engaged to hinder driving disc spacing pressing to rotate and finally hinder bridge 5 by spring I16 pushing tows with driving disc spacing pressing
Horizontal vibration by a small margin, when occurring earthquake, ground drives bridge pier 4 to occur violent oscillatory motion, and the level of bridge 5 and bridge pier 4 is transported
Dynamic that damping wheel 3 will be driven to rotate, now the planet carrier 12 of planetary gears 6 is separated with pedestal 1, and planet carrier 12 can freely turn
It is dynamic, therefore the rotation of damping wheel 3 only will drive planet carrier 12 to dally, damping wheel 3 will not be by any damping action, now, bridge
The vibration of pier 4 will not be passed up to bridge 5, it is ensured that bridge 5 will not be destroyed in earthquake.
In the present embodiment, the housing 10 of the planetary gears 6 is fixed on the pedestal 1, the appearance of planet carrier 12
Face is provided with locating slot, and locating slot is the deep-slotted chip breaker coordinated with steel ball 14, and the inwall of housing 10 is provided with blind hole, the blind hole and set
There are steel ball 14 and the spring II14 for steel ball 14 to be pressed to the locating slot, when bridge 5 occurs to vibrate by a small margin, steel ball 14
A part is pressed into locating slot by spring II14, and now pedestal 1, housing 10 and planet carrier 12 keep fixing, and damping wheel 3 will pass through
Sun gear 15 drives active friction disk 19 to rotate, and when occurring earthquake, high-speed rotation, steel ball 14 will be overcome spring by damping wheel 3
II14 pressure skids off the locating slot, and now planet carrier 12 will dally, damping wheel 3 will not by any damping action,
The horizontal vibration of bridge pier 4 is transmitted without normal direction bridge 5, it is to avoid bridge 5 is destroyed in vibration processes.
In the present embodiment, the outer ring 11 of the planetary gears 6 is connected to the damping wheel by universal driving device
3；The universal driving device includes power transmission shaft, and the power transmission shaft two ends connect planetary gear machine by a candan universal joint respectively
The outer ring 11 of structure 6 and damping wheel 3；Realize that damping wheel 3 will can still be moved during moving up and down using universal driving device
Power is transferred to planetary gears 6.
In the present embodiment, it is provided with the horizontal direction in piston cylinder, the piston cylinder with the circumference that slides axially on the pedestal 1
Fixed mode is provided with piston 17, and the cross section of piston 17 and piston cylinder can be ellipse, it is ensured that circumferentially fix therebetween,
The driven friction disk 18 is arranged at the top surface of piston 17, and the spring I16 bullets are peaked between piston 17 and piston cylinder bottom.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (4)
1. a kind of bridge isolation mounting, it is characterised in that：It is supported on jointly including pedestal, by shock-absorbing spring and damper described
Damping wheel on pedestal, supported by the damping wheel and roll the supporting plate coordinated with damping wheel, the damping wheel is turned
The dynamic planetary gears for carrying out speedup and the rotary damper for applying damping action for the rotation to damping wheel, the row
The external toothing of star gear mechanism is connected in the damping wheel, and the planet carrier of planetary gears is by can be in the way of clutch and institute
State pedestal connection；The rotary damper includes the active friction disk being connected with the sun gear of planetary gears and with axle
Set and the driven friction disk that coordinates with the active friction disk and for will be described driven to circumferentially fixed mode is slided
Frictional disk presses to the spring I of the active friction disk.
2. bridge isolation mounting according to claim 1, it is characterised in that：The housing of the planetary gears is fixed on
The pedestal, the planet carrier outer surface is provided with locating slot, and the inner walls are provided with blind hole, in the blind hole provided with steel ball and
Spring II for steel ball to be pressed to the locating slot.
3. bridge isolation mounting according to claim 2, it is characterised in that：The outer ring of the planetary gears passes through ten thousand
The damping wheel is connected to transmission device.
4. bridge isolation mounting according to claim 3, it is characterised in that：Piston is provided with the pedestal in the horizontal direction
In the circumferentially fixed mode that slides axially provided with piston in cylinder, the piston cylinder, the driven friction disk is arranged at piston-top surface,
The spring I is peaked between piston and piston cylinder bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075862.XU CN206408513U (en) | 2017-01-19 | 2017-01-19 | Bridge isolation mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075862.XU CN206408513U (en) | 2017-01-19 | 2017-01-19 | Bridge isolation mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206408513U true CN206408513U (en) | 2017-08-15 |
Family
ID=59557146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720075862.XU Withdrawn - After Issue CN206408513U (en) | 2017-01-19 | 2017-01-19 | Bridge isolation mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206408513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758795A (en) * | 2017-01-19 | 2017-05-31 | 重庆科技学院 | Shock-absorbing bridge support |
| CN110792030A (en) * | 2019-11-28 | 2020-02-14 | 福州大学 | Bridge shock absorber based on metal rubber and working method thereof |
-
2017
- 2017-01-19 CN CN201720075862.XU patent/CN206408513U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758795A (en) * | 2017-01-19 | 2017-05-31 | 重庆科技学院 | Shock-absorbing bridge support |
| CN106758795B (en) * | 2017-01-19 | 2019-03-22 | 重庆科技学院 | Shock-absorbing bridge support |
| CN110792030A (en) * | 2019-11-28 | 2020-02-14 | 福州大学 | Bridge shock absorber based on metal rubber and working method thereof |
| CN110792030B (en) * | 2019-11-28 | 2024-05-31 | 福州大学 | Bridge damper based on metal rubber and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170815 Effective date of abandoning: 20190322 |