CN206428578U - A kind of roller bearing metal damper with oil buffer - Google Patents
A kind of roller bearing metal damper with oil buffer Download PDFInfo
- Publication number
- CN206428578U CN206428578U CN201621417836.2U CN201621417836U CN206428578U CN 206428578 U CN206428578 U CN 206428578U CN 201621417836 U CN201621417836 U CN 201621417836U CN 206428578 U CN206428578 U CN 206428578U
- Authority
- CN
- China
- Prior art keywords
- roller bearing
- oil buffer
- metallic plate
- oil
- damper
- 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
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to bridge structure cushion technique field, and in particular to a kind of roller bearing metal damper with oil buffer.The damper includes metal board support, roller bearing and the oil buffer being fixed in bridge structure.With setting multiple grooves in the neighbouring upper and lower surface of metallic plate respectively and setting a roller bearing respectively in roller bearing, roll and be connected with the upper and lower surface of metallic plate；Oil buffer one end is fixedly connected in metal support, and band impact head one end is towards metal board support.The utility model makes full use of the good plastic deformation ability of metal material, frictional damping to realize power consumption and the outstanding energy-dissipating and shock-absorbing ability of oil buffer, the anti-seismic performance of bridge structure can be effectively improved, with wide market application foreground.
Description
Technical field
The utility model belongs to bridge structure cushion technique field, and in particular to one kind is installed in bridge structure engineering,
A kind of roller bearing metal damper with oil buffer for earthquake energy.
Background technology
With the high speed development of economic technology, increasing longspan structure and bridge appear in people life it
In, and the frame structure being made up of steel member, combined member or reinforced concrete member is often used in Longspan Bridge
Structure type.To make the ability that bridge structure has stronger resistance earthquake or wind load etc. external force destruction, it is often necessary to
Dissipative member is set up in bridge structure.To ensure the security of Bridges During Earthquake structure, prevent bridge from collapsing, now generally exist
Structural attachments set rubber vibration insulating pad, and are equipped between pillar and bridge plate dissipative member, and common dissipative member has
Viscous fluid damper, MR damper, metal damper etc..Wherein, because metal damper have preferable durability and
Economy, extensively using popularization in engineering practice.
At present, the buckling-restrained energy-dissipation form of general mostly steel or the combined member of metal damper, is mainly used in holding
By pulling force or pressure.For damper, whether the damper of overriding concern design has good energy dissipation capacity.Good
Power consumption under the premise of, realize the damping effect of bigger deformability and smaller post-yield stiffness to damper.
An urgent demand one kind in market can realize moderate finite deformation amount and the less novel metal damper of post-yield stiffness.By
In the small and limited designability of the tension and compression yield deformation of steel, when bridge structure needs to realize moderate finite deformation amount, generally damp
The size of device can be very big, is often difficult to, transports and installs, significantly limit the popularization and application of metal damper.Separately
Outside, most metals damper occurs to still suffer from rigidity after larger flexing after flexing in power consumption metallic elements, this this to bridge
The Aseismic Design of girder construction is very unfavorable.
The content of the invention
The purpose of this utility model is that the defect for overcoming existing metal energy-dissipation damper, there is provided one kind power consumption is good, becomes
A kind of roller bearing metal damper with oil buffer that shape amount is big and post-yield stiffness is small.
The technical solution adopted in the utility model is：A kind of roller bearing metal damper with oil buffer includes being fixed on
Metal board support, roller bearing and oil buffer in bridge structure.In roller bearing with the neighbouring upper surface of metallic plate and
Multiple grooves are set respectively on lower surface and a roller bearing is set respectively, rolls and is connected with the upper and lower surface of metallic plate；Oil pressure delays
Rush device and be fixedly connected on metal support bottom both sides, impact head one end is towards metal board support.
The roller bearing is equally spaced in the both sides up and down of every piece of metallic plate along the length direction of metallic plate, every piece of metallic plate
The roller bearing vertical position of both sides staggers up and down.
The roller bearing and the face of cylinder groove where it, both do smooth treatment between contact surface, to ensure roller bearing in resistance
Free rotation is carried out when Buddhist nun's device works, the rolling friction between roller bearing and metallic plate is realized.It is perpendicular between the roller bearing of adjacent two row
It is adjusted to distance by the bolt on roller bearing, realizes the extruding to plate thickness direction in various degree, that is, realize
The different degrees of damping value of damper.
The oil buffer is fixed between roller bearing and metal board support, equidistant by welding or bolt connection
Roller bearing bottom two ends are fixed on, one end with collision head is not attached in metal support towards metal support, also may not be used
On contacting metal bearing.
The oil buffer is by collision head, piston rod, hydraulic oil, piston, oilhole, accumulator, non-return valve, reset bullet
One closed system of spring composition.
When the metal board support is to head application impact is collided, oil buffer starts to produce drag, in impact stroke
At the end of, piston rod can be pushed back original position by oil buffer.
The metal board support is mounted directly, and specific installation method is depending on project situation and convenient construction.Metallic plate branch
The bindiny mechanism being connected with bridge structure is set respectively on seat and roller bearing, and the bindiny mechanism is through hole, screwed hole or band
There is the otic placode of mounting hole.
Compared with prior art, a kind of roller bearing metal energy-dissipation damper with oil buffer of the utility model has as follows
Advantage.
（1）Energy consumption is big.Metallic plate is moved between roller bearing, the achievable same deflection of this damper, consumes energy
Amount is larger.This design, which consumes energy the permission deformation of damper in limited scantling, to be maximized, and increases the work of damper
Make threshold value, realize bridge structure shock resistance outstanding under large deformation.
（2）Strong applicability.The damper member just realizes the collaborative work of many materials without special processing.Oleo cushion
Device is in mechanical field also extensive utilization, and species is various, and certain model specification can be used directly.
（3）It can automatically reset.Oil buffer is received after impulsive contact force extruding, as stroke speed and rammer weight become
Change, with self-control pressure functional, consistently form soft buffering effect, consume substantial amounts of energy, complete check valve actuation
Make, contained spring can be such that piston rod resets rapidly.
Experimental study, the utility model makes full use of the good plastic deformation ability of metal material, frictional damping to realize consumption
The anti-seismic performance of bridge structure can be effectively improved, with wide city with the outstanding energy-dissipating and shock-absorbing ability of oil buffer
Field application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the roller bearing metal damper with oil buffer.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the A-A profiles of the roller bearing metal damper with oil buffer shown in Fig. 1.
Fig. 4 is the B-B profiles of the roller bearing metal damper with oil buffer shown in Fig. 1.
Fig. 5 is the structural representation of oil buffer shown in Fig. 1.
Fig. 6 is scheme of installation of the roller bearing metal damper in bridge structure with oil buffer.
Fig. 7 is the C-C profiles in bridge structure of the roller bearing metal damper with oil buffer shown in Fig. 6.
Label in figure：1- metallic plates；2- roller bearings；3- roller bearings；3a- roller bearings top；3b- roller bearings bottom；
4- metal board supports；5- bolts；6- bolt holes；7- oil buffers；8- collides head；9- piston rods；10- oilholes；11- internal pressures
Cylinder；12- back-moving springs；13- non-return valves；14- accumulators；15- hydraulic oil；The 16- body of a bridgies；17- body of a bridge bearings；18- pistons；19-
Bridge pier.
Embodiment
The utility model provides a kind of roller bearing metal damper with oil buffer, below in conjunction with the accompanying drawings and specific real
Mode is applied to be described further the utility model.
Embodiment one.
A kind of roller bearing metal damper with oil buffer of the utility model as shown in Figure 1 and Figure 2, including metallic plate 1
With roller bearing 2, and roller bearing 3 and metal board support 4.
The two ends of metallic plate 1 are fixedly connected by the bolt hole 6 on metal board support 4 with bridge structure.Roller bearing 2 is steel
It is made and makees surface smooth treatment, is positioned in the face of cylinder groove in roller bearing 3.3 points of roller bearing is two portions up and down
Point（3a and 3b）, roller bearing 2 and metallic plate 1 between being compressed by the effect of bolt 5.Roller bearing 2 in metallic plate 1 up and down two
Length direction of the side along metallic plate 1 is equally spaced, and the vertical position of roller bearing 2 of every piece of metallic plate both sides about 1 staggers.Phase
Vertical distance between the roller bearing 2 of adjacent two rows is adjusted by the bolt 5 on roller bearing 3, is realized thick to metallic plate 1
Spend the extruding of direction in various degree.Roller bearing 2 is positioned in the face of cylinder groove of roller bearing 3, and both contact surfaces do smooth place
Reason, to ensure that roller bearing 2 can be rotated freely when damper works, realizes the rolling friction between roller bearing 2 and metallic plate 1.
I.e. when bridge structure is producing horizontal distortion in the presence of horizontal loading, the roller bearing being connected respectively with structure top and the bottom
3 and the occurred level of metal board support 4 to relative motion, relative fortune occurs for the roller bearing 2 and metallic plate 1 for driving respectively thereon
Dynamic, roller bearing 2 is freely rotated in the face of cylinder groove of roller bearing 3, and metallic plate 1 is rolled between roller bearing 2, and with portion
Bending and friction energy-dissipating.
As Fig. 4, Fig. 5 oil buffer 7 is equally spaced in roller bearing bottom（3b）Both sides, when roller bearing 3 to one
When side is moved, the impact that impact head 5 is applied by metal board support 4, piston rod 9 is moved inside, forces hydraulic oil 15 by oil
Hole 10 is flowed into accumulator 14, thus produces resistance.Via the size of oilhole 10 for designing and testing and arrangement, entirely hitting
During hitting, the pressure in interior cylinder pressure 11 remains certain, so just produces the cushion effect of a fixed size, that is, institute
The linear deceleration of meaning.Through thus linear moderating process, oil buffer 7 can be by motion stable working and undisturbedly with minimum strength
Movement parts are stopped.At the end of impact stroke, non-return valve 13 is started to open at, and back-moving spring 12 has pushed back piston rod 9
Beginning position, to treat lower Secondary Shocks.In the process, the oil buffer 7 of the opposite side of roller bearing 3 is moved with roller bearing 3, but
Do not stress.
In this example this roller bearing metal damper with oil buffer and bridge structure are realized using even bolt 6
Connection, and the connection between metallic plate 1 and metal board support 4.In actual applications, also can using other connecting structure or
Welding procedure, can realize same effect.
A kind of roller bearing metal damper with oil buffer of the utility model, is not used as power consumption member merely with metallic plate 1
Part, the frictional resistance between local buckling and metallic plate 1 and roller bearing 2 by metallic plate 1 realizes that damping is consumed energy, also abundant
Using the outstanding energy dissipation capacity of oil buffer 7, so as to reach the extraneous input energy of decay, make bridge structure from damage
Purpose.
Embodiment two.
Based on the technical principle described in embodiment one, as shown in fig. 6, can be used for the energy-dissipating and shock-absorbing of bridge structure, it will fill
Put as between the body of a bridge 16 and bridge pier 19, it is used in parallel with body of a bridge bearing 17.Using on metal board support 4 and roller bearing 3
The utility model is connected by bolt hole with the body of a bridge 16 and bridge pier 19 respectively.It should be noted that during connection, the length direction of metallic plate 1
It should be consistent with the width of the body of a bridge 16, that is, the breadth width of metallic plate 1 is kept with the length direction of the body of a bridge 16
Unanimously, that is, metallic plate 1 breadth width it is consistent with the length direction of the body of a bridge 16, it is specific as shown in Figure 7.
As shown in fig. 7, in this example by metal board support 4 of the present utility model and roller bearing 3 directly with the body of a bridge 16 and bridge
Pier 19 is connected, when the body of a bridge 16 and bridge pier 19 are deformed by shearing force, respectively with the top of 16 bridge pier of the body of a bridge 19 and under
The metal board support 4 and roller bearing 3 of portion's concrete mutually be can occurred level to relative motion.Correspondingly, metallic plate 1
Realize and roll between roller bearing 2, constantly by the plastic deformation of metallic plate 1 and rubbing action consumption level vibrational energy, so that
The extraneous input energy of decay is reached, makes bridge structure from the purpose of damage；Oil buffer 7 is hit by metal board support 4
Power is hit, inside produces resistance, consumes substantial amounts of energy, and play the effect slowly resetted.
Claims (6)
1. a kind of roller bearing metal damper with oil buffer, including the metal board support being fixed in bridge structure（4）, rolling
Shaft stool（3）And oil buffer（7）, it is characterised in that roller bearing（3）Interior and metallic plate（1）Neighbouring upper surface is with
Multiple grooves are set respectively on surface and a roller bearing is set respectively（2）, with metallic plate（1）Upper and lower surface roll connection；Oil
Compression buffer（7）It is fixed on roller bearing（3）Bottom both sides, collide head and point to metal board support（4）.
2. a kind of roller bearing metal damper with oil buffer according to claim 1, it is characterised in that the rolling
Axle（2）Metallic plate（1）Both sides up and down be equally spaced along the length direction of metallic plate, the roller bearing of both sides above and below every piece of metallic plate
Vertical position staggers.
3. a kind of roller bearing metal damper with oil buffer according to claim 1, it is characterised in that the rolling
Axle（2）With the face of cylinder groove where it, both do smooth treatment between contact surface, to ensure roller bearing（2）In damper work
Shi Jinhang is freely rotated, and realizes roller bearing（2）With metallic plate（1）Between rolling friction.
4. a kind of roller bearing metal damper with oil buffer according to claim 1, it is characterised in that oil pressure delays
Rush device（7）Roller bearing is equidistantly fixed on by welding or bolt connection（3）Bottom both sides.
5. a kind of roller bearing metal damper with oil buffer according to claim 1, it is characterised in that oil pressure delays
Rush device（7）It is by collision head（8）, piston rod（9）, hydraulic oil（15）, piston（18）, oilhole（10）, accumulator（11）, non-return valve
（13）, back-moving spring（12）One closed system of composition.
6. a kind of roller bearing metal damper with oil buffer according to claim 1, it is characterised in that work as metal
Board support（4）Give collision head（8）When applying impact, oil buffer（7）Start to produce drag, at the end of impact stroke,
Oil buffer（7）Can be by piston rod（9）Push back original position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417836.2U CN206428578U (en) | 2016-12-22 | 2016-12-22 | A kind of roller bearing metal damper with oil buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417836.2U CN206428578U (en) | 2016-12-22 | 2016-12-22 | A kind of roller bearing metal damper with oil buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206428578U true CN206428578U (en) | 2017-08-22 |
Family
ID=59588066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621417836.2U Expired - Fee Related CN206428578U (en) | 2016-12-22 | 2016-12-22 | A kind of roller bearing metal damper with oil buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206428578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681122A (en) * | 2020-12-22 | 2021-04-20 | 刘亚楠 | Shock absorption and isolation support for bridge |
-
2016
- 2016-12-22 CN CN201621417836.2U patent/CN206428578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681122A (en) * | 2020-12-22 | 2021-04-20 | 刘亚楠 | Shock absorption and isolation support for bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201952934U (en) | Friction damper filled with aluminum plate friction material | |
| CN102720124B (en) | Fluid viscous damper with working switch | |
| CN201826255U (en) | Crawler type metal energy dissipation damper | |
| CN201730373U (en) | Damping system for pull ropes at top part of building structure | |
| CN211973073U (en) | Cable-stayed bridge auxiliary pier system free of earthquake damage design | |
| US20220381310A1 (en) | Wave-shaped steel plate energy dissipation damper, and processing method and mounting method thereof | |
| CN102877568A (en) | Double-inner-core buckling-preventive support structure | |
| CN105332442A (en) | Particle damper with nonlinear rigidity | |
| CN105804261A (en) | Suspended type novel material damper | |
| CN106812226A (en) | A kind of anti-buckling support composite buffer of viscoplasticity | |
| CN111691566A (en) | Dual energy consumption type damper | |
| CN114197751A (en) | Damping energy-consuming type outrigger truss high-rise structure system | |
| CN101748685B (en) | Slippage cylindrical soft steel damping device and application thereof on bridge girder | |
| CN206428578U (en) | A kind of roller bearing metal damper with oil buffer | |
| CN103556748A (en) | Method and device for improving shock resistance of building or bridge | |
| CN203487662U (en) | Rotary type output force enlarging device of viscous damper | |
| CN202850254U (en) | Rolling shaft metal damper | |
| CN204040236U (en) | A kind of Novel U-shaped steel plate energy consuming mechanism | |
| CN106894331A (en) | A kind of spacing bearing of the power consumption for carrying Viscous fluid damper | |
| CN105113655A (en) | Prestressed visco-elasticity damping wall | |
| CN201865215U (en) | Wall type soft steel bending energy dissipation damper | |
| CN102864852A (en) | Metal damper with rolling shafts | |
| CN202831286U (en) | Dual-core buckling-proof supporting structure | |
| CN203238538U (en) | Flat spring plate type rubber expansion joint | |
| CN204940577U (en) | Prestressing force viscoelasticity damping wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20181222 |