CN206768583U - Bridge damping supporting seat - Google Patents
Bridge damping supporting seat Download PDFInfo
- Publication number
- CN206768583U CN206768583U CN201720664890.5U CN201720664890U CN206768583U CN 206768583 U CN206768583 U CN 206768583U CN 201720664890 U CN201720664890 U CN 201720664890U CN 206768583 U CN206768583 U CN 206768583U
- Authority
- CN
- China
- Prior art keywords
- damping
- bridge
- seat assembly
- cavity
- sleeve
- 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
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Abstract
The utility model discloses a kind of bridge damping supporting seat, including for the upper seat assembly being connected with bridge beam body and being connected to bridge pier and horizontal movement to upper seat assembly forms the lower seat assembly of damping, upper seat assembly, which slidably supports, to be arranged on lower seat assembly;At least two vibration absorber for the vibration damping of load up and down to bridge beam body that upper seat assembly includes upper pedestal and is arranged on upper pedestal, pedestal corresponds to each vibration absorber and set formed with installation cavity, and each vibration absorber includes torsion damping mechanism and the movement conversion mechanism for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of bridge beam body;It can realize different antivibration effects under different stress conditions, substantially increase durability and ductility, can effectively avoid external force from being damaged to caused by bridge.
Description
Technical field
Bridge vibrationproof field is the utility model is related to, more particularly to a kind of bridge damping supporting seat.
Background technology
With the development of transportation and the raising of construction standard, bearing in bridge and Other Engineering not only
Play a supporting role, but also there is vibration damping, resistance to plucking, release moment of flexure, 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 be, when larger shake occurs
When dynamic, very big horizontal force and vertical force are generated, makes the displacement of precast bridge occurred level and upper and lower displacement, when displacement exceedes
Precast bridge plate on bridge pier shelve width after, bridge plate will fall, and now, not only bridge is damaged, and
Serious accident occurs in pedestrian and vehicle on bridge, under bridge.
Utility model content
In view of this, the utility model provides a kind of bridge damping supporting seat, and it can be realized not under different stress conditions
Same antivibration effect, substantially increases durability and ductility, can effectively avoid external force from being damaged to caused by bridge.
Bridge damping supporting seat of the present utility model, including for the upper seat assembly being connected with bridge beam body and it is connected to bridge
Beam bridge pier and horizontal movement to upper seat assembly form the lower seat assembly of damping, and upper seat assembly slidably supports setting
In on lower seat assembly;
What upper seat assembly included upper pedestal and was arranged on upper pedestal at least two is used for the load up and down of bridge beam body
The vibration absorber of vibration damping, pedestal corresponds to each vibration absorber and set includes torsion damping formed with installation cavity, each vibration absorber
Mechanism and the motion for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of bridge beam body are changed
Mechanism, torsion damping mechanism include being arranged in a manner of it can relatively rotate and seal axle sleeve in installation cavity and from upper pedestal to
The first spacer and the second spacer that extension is formed in installation cavity, the outside of axle sleeve is respectively formed and is close to the first spacer and the second spacer
Set and installation cavity is divided into the first damping cavity and the second damping cavity, resistance is filled with the first damping cavity and the second damping cavity
Buddhist nun's liquid;
The first arc rotor block and the second arc rotor block, the first arc rotor position have radially been symmetrically formed on axle sleeve
In in the first damping cavity and being divided into the first working chamber and the second working chamber, and the first arc rotor block and the first damping cavity
Cavity wall between formed with connection the first working chamber and the second working chamber the first damp channel, the second arc rotor block be located at second
Damping cavity is interior and is divided into the 3rd working chamber and the 4th working chamber, and the cavity wall of the second arc rotor block and the second damping cavity
Between formed with connection the 3rd working chamber and the 4th working chamber the second damp channel.
Further, movement conversion mechanism includes screw rod and interior be placed in axle sleeve forms a fixed connection and coordinated with screw flight
Thread bush.
Further, lower seat assembly includes substrate and is integrally formed at least one sleeve being arranged on substrate, each sleeve
Inside it is provided with that its internal cavities is divided into two-part piston and is connected with piston and stretches out sleeve and connects with upper pedestal bottom
The piston rod connect, formed with annular damper passage between the circumference and sleeve lining of piston, each sleeve is interior to be filled with damping fluid.
Further, the top of each sleeve is each formed with slideway, and the bottom of upper pedestal corresponds to each chute and is provided with slip
The slide rail of cooperation.
Further, piston rod is the U-shaped structure that forms of horizontal body portion by both sides vertical portion and connection vertical portion, its horizontal body portion
Set through sleeve, the upper end of both sides vertical portion is fixedly connected with the bottom of upper pedestal.
The beneficial effects of the utility model:Bridge damping supporting seat of the present utility model, because vibration damping fills in upper seat assembly
The presence put, when bridge beam body the vibration of above-below direction occurs under load effect, movement conversion mechanism is by bridge beam body
Move up and down, and then the up and down motion for driving torsion damping mechanism to be operated to bridge beam body damps, so as to effectively anti-
Hit the vibration of bridge beam body in the vertical direction appearance;When the displacement of horizontal direction occurs in bridge beam body, seat assembly is now gone up
The damping structure of an entirety is formed with lower seat assembly, beam body drives upper seat assembly to move in the horizontal direction, and this seat at present
Assembly can be to upper seat assembly horizontal movement formed damping, so as to resist the displacement in beam body horizontal direction;The utility model knot
Structure is simple, using reliable, has preferable integration and globality, by single vibration damping holder it is i.e. horizontal to bridge beam body and
The displacement of vertical direction forms damping, so as to effectively avoid external force from being damaged to caused by bridge.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model structure diagram;
Fig. 2 be in Fig. 1 A-A to structural representation.
Embodiment
Fig. 1 is the utility model structure diagram, and Fig. 2 is that A-A is to structural representation in Fig. 1, as shown in the figure:The present embodiment
Bridge damping supporting seat, including for the upper seat assembly being connected with bridge beam body and be connected to bridge pier and to upper seat assembly
Horizontal movement formed damping lower seat assembly, upper seat assembly, which slidably supports, to be arranged on lower seat assembly;
What upper seat assembly included upper pedestal 1 and was arranged on upper pedestal 1 at least two is used for upper download to bridge beam body
The vibration absorber of lotus vibration damping, pedestal corresponds to each vibration absorber and set to be subtracted formed with installation cavity, each vibration absorber including torsion
Mechanism of shaking and the motion for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of bridge beam body turn
Converting mechanism, torsion damping mechanism include the axle sleeve 2 being arranged in a manner of it can relatively rotate and seal in installation cavity and by the seats of honour
Body 1 extends the first spacer 3 and the second spacer 4 of formation, the outside of axle sleeve 2 and the first spacer 3 and the second spacer 4 into installation cavity
It is respectively formed and is close to set and installation cavity is divided into the first damping cavity and the second damping cavity, in the first damping cavity and the second damping cavity
It is filled with damping fluid;As illustrated, upper pedestal 1 is square structure, four vibration absorbers are set altogether on upper pedestal 1;
The first arc rotor block 5 and the second arc rotor block 6, the first arc rotor have radially been symmetrically formed on axle sleeve 2
Body 5 is located in the first damping cavity and is divided into the first working chamber 7 and the second working chamber 8, and the first arc rotor block 5 and the
The first damp channel 9 formed with the first working chamber 7 of connection and the second working chamber 8, the second arc turn between the cavity wall of one damping cavity
Daughter 6 is located in the second damping cavity and is divided into the 3rd working chamber 10 and the 4th working chamber 11, and the second arc rotor block 6
Formed with the second damp channel 12 for connecting the 3rd working chamber 10 and the 4th working chamber 11 between the cavity wall of the second damping cavity;Axle sleeve
Rotational support is formed on the outside of 2 axial both ends with upper pedestal 1 in corresponding installation cavity by bearing 22 to coordinate, and axle sleeve 2
Outside and the axial both ends of installation cavity, which are formed, to be sealed, and position forms damping cavity in the middle.
In the present embodiment, movement conversion mechanism include screw rod 13 and it is interior be placed in axle sleeve 2 form a fixed connection and and screw rod
The thread bush 14 that 13 screw threads coordinate;The upper end of screw rod 13 is provided with connecting plate or anchor plate 23 for being connected with bridge, screw rod
13 coordinate with the screw thread of thread bush 14, when being moved up and down by bridge beam body, thread bush 14 can be driven to rotate, thread bush and axle
Set is fixedly and coaxially connected, and so as to drive axle sleeve 2 and arc rotor block to rotate, realizes torsion damping.
In the present embodiment, lower seat assembly includes substrate 15 and is integrally formed at least one sleeve being arranged on substrate 15
16, it is provided with each sleeve 16 and its internal cavities is divided into two-part piston 17 and is connected with piston 17 and stretches out set
The piston rod 18 that cylinder 16 is connected with the bottom of upper pedestal 1, formed with annular damper passage between the circumference and the inwall of sleeve 16 of piston 17
19, each sleeve 16 is interior to be filled with damping fluid;Wherein, substrate 15 is fixedly connected with the bridge pier of bridge, and sleeve 16 is on substrate 15
Can be to be set up in parallel multiple, each sleeve 16 and internal piston 17 and piston rod 18 form one and horizontal to upper seat assembly transported
Dynamic damper, and under high speed load effect, the damper that multiple sleeves 16 are formed can collective effect, there is preferably effect
Fruit;Each sleeve 16 is provided at both ends with end cap 20, and is tightly connected, and the end cap seal of piston rod 18 and sleeve 16 coordinates.
In the present embodiment, the top of each sleeve 16 is each formed with slideway, and the bottom of upper pedestal 1 corresponds to each chute and set
There is the slide rail 21 being slidably matched;Chute is T-slot, dovetail groove or dovetail groove, and slide rail shape is adapted with chute.
In the present embodiment, piston rod 18 is the U-shaped structure being made up of the horizontal body portion of both sides vertical portion and connection vertical portion, its
Horizontal body portion is set through sleeve 16, and the bottom of the upper end of both sides vertical portion with upper pedestal 1 is fixedly connected;Piston rod 18 can be logical
Bolt connection is crossed, or is connected by being welded in upper pedestal 1.
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 (5)
- A kind of 1. bridge damping supporting seat, it is characterised in that:Including for the upper seat assembly being connected with bridge beam body and being connected to Bridge pier and horizontal movement to upper seat assembly form the lower seat assembly of damping, and the upper seat assembly slidably props up Support is arranged on the lower seat assembly;What the upper seat assembly included upper pedestal and was arranged on upper pedestal at least two is used for the load up and down of bridge beam body The vibration absorber of vibration damping, the pedestal correspond to each vibration absorber and set formed with installation cavity, each vibration absorber Including torsion damping mechanism and for the up-down vibration of bridge beam body to be converted into rotary motion and drives torsion damping mechanism work The movement conversion mechanism of work, the torsion damping mechanism include being arranged in installation cavity in a manner of it can relatively rotate and seal Axle sleeve and extend the first spacer and the second spacer formed, the outside of the axle sleeve and described first into installation cavity from upper pedestal Spacer and the second spacer, which are respectively formed, to be close to set and the installation cavity is divided into the first damping cavity and the second damping cavity, and described the Damping fluid is filled with one damping cavity and second damping cavity;The first arc rotor block and the second arc rotor block, the first arc rotor position have radially been symmetrically formed on the axle sleeve In in the first damping cavity and being divided into the first working chamber and the second working chamber, and the first arc rotor block and the first damping cavity Cavity wall between the first damp channel formed with the first working chamber of connection and the second working chamber, the second arc rotor block is located at In second damping cavity and it is divided into the 3rd working chamber and the 4th working chamber, and the second arc rotor block and the second damping cavity The second damp channel formed with the 3rd working chamber of connection and the 4th working chamber between cavity wall.
- 2. bridge damping supporting seat according to claim 1, it is characterised in that:The movement conversion mechanism include screw rod and Inside it is placed on the thread bush for forming a fixed connection in axle sleeve and coordinating with screw flight.
- 3. bridge damping supporting seat according to claim 2, it is characterised in that:The lower seat assembly includes substrate and one Shaping is arranged at least one sleeve on substrate, is provided with each sleeve its internal cavities being divided into two-part work Fill in and the piston rod that sleeve is connected with upper pedestal bottom, shape between the circumference and sleeve lining of the piston are connected and stretched out with piston Into there is annular damper passage, damping fluid is filled with each sleeve.
- 4. bridge damping supporting seat according to claim 3, it is characterised in that:The top of each sleeve is each formed with Slideway, the bottom of the upper pedestal correspond to each chute and are provided with the slide rail being slidably matched.
- 5. bridge damping supporting seat according to claim 4, it is characterised in that:The piston rod be by both sides vertical portion and Connect the U-shaped structure of the horizontal body portion composition of vertical portion, its horizontal body portion through sleeve setting, the upper end of both sides vertical portion with The bottom of the upper pedestal is fixedly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720664890.5U CN206768583U (en) | 2017-06-08 | 2017-06-08 | Bridge damping supporting seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720664890.5U CN206768583U (en) | 2017-06-08 | 2017-06-08 | Bridge damping supporting seat |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206768583U true CN206768583U (en) | 2017-12-19 |
Family
ID=60636209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720664890.5U Expired - Fee Related CN206768583U (en) | 2017-06-08 | 2017-06-08 | Bridge damping supporting seat |
Country Status (1)
Country | Link |
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CN (1) | CN206768583U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107151978A (en) * | 2017-06-08 | 2017-09-12 | 重庆工商职业学院 | Bridge vibration damping holder |
CN108611969A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN109797653A (en) * | 2019-02-26 | 2019-05-24 | 杨新增 | A kind of bridge bridge floor vibration and noise reducing laying apparatus |
CN110966343B (en) * | 2019-11-26 | 2021-03-23 | 重庆工商职业学院 | Vibration isolation device for mounting building equipment |
-
2017
- 2017-06-08 CN CN201720664890.5U patent/CN206768583U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107151978A (en) * | 2017-06-08 | 2017-09-12 | 重庆工商职业学院 | Bridge vibration damping holder |
CN107151978B (en) * | 2017-06-08 | 2023-04-28 | 重庆工商职业学院 | Bridge vibration reduction support |
CN108611969A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN108611969B (en) * | 2018-06-07 | 2019-10-15 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN109797653A (en) * | 2019-02-26 | 2019-05-24 | 杨新增 | A kind of bridge bridge floor vibration and noise reducing laying apparatus |
CN109797653B (en) * | 2019-02-26 | 2020-11-20 | 杨新增 | Bridge deck vibration damping and noise reduction laying device for bridge |
CN110966343B (en) * | 2019-11-26 | 2021-03-23 | 重庆工商职业学院 | Vibration isolation device for mounting building equipment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20200608 |
|
CF01 | Termination of patent right due to non-payment of annual fee |