CN206987089U - A kind of damper velocity displacement amplification device - Google Patents
A kind of damper velocity displacement amplification device Download PDFInfo
- Publication number
- CN206987089U CN206987089U CN201720479050.1U CN201720479050U CN206987089U CN 206987089 U CN206987089 U CN 206987089U CN 201720479050 U CN201720479050 U CN 201720479050U CN 206987089 U CN206987089 U CN 206987089U
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- displacement
- transmission ring
- damper
- drive link
- thrust bearing
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Abstract
It the utility model is related to a kind of damper velocity displacement amplification device, including closing guard shield, displacement drive link, displacement transmission ring, transfer gear train, centre rotational axis and take-off lever, displacement drive link lower end is connected with side wall or upper strata floor, and upper end is connected with displacement transmission ring by bearing;Displacement transmission ring receives speed/displacement of displacement drive link, and drives transfer gear train with toothing in inner side;Transfer gear train includes the larger linkage gear of the less travelling gear of radius engaged with displacement transmission ring and the radius of co-axial rotation, and the two is rotated around centre rotational axis;Centre rotational axis and closing guard shield are affixed, are not involved in being driven;The attached toothing in take-off lever one end engages with linkage gear, and one end connects different types of damper.The utility model can be effectively increased damper power consumption when displacement structure is smaller or slow, and can amplify speed/displacement of various azimuthal seismics and be adapted to various dampers, significantly improve anti seismic efficiency.
Description
Technical field
A kind of damper velocity displacement amplification device is the utility model is related to, is turned using speed/displacement in gear drive
Change relation to realize to multidirectional detrusion under earthquake state and the amplification of speed by transfer gear train, increase connection damper
Power consumption, belongs to civil structure(Including skyscraper, tall and slender structure and bridge structure etc.)Vibration control field.
Background technology
In recent years, the passive control technology such as base isolation, energy-dissipating and shock-absorbing and tuned mass damping control due to its concept is simple,
Clear mechanism, cost are relatively low, damping effect is notable and are at home and abroad used widely in civil engineering.Wherein, damper with
Its good economy performance, applicability are good, the advantages such as maintenance cost is low, receive the attention of vast civil engineering researcher.
However, current damper still suffers from weak point:Learnt by experiment, damper is in small travel condition bottombearing damper
Damping force do not reach the performance provided by damper theoretical formula, provided such as when being unable to reach the very little displacement under geological process
Very high damping ratio obtained by theoretical formula method, existing clearly has similar display spring rate deficiency of being connected with spring
Phenomenon, the mechanical behavior of pure viscosity can not be showed;Secondly, the multiplication factor of existing damper amplifying device is after mounting
It is difficult to adjust and suitability is not strong, flexibility deficiency, the displacement of damper may be made limited more than its limit or multiplication factor;This
Outside, existing damper can not tackle multi-direction comprehensive detrusion, and the velocity of displacement of unvested Zoom Side earthquake is put
It is big not sufficiently effective, more set amplifying devices need to be newly established in addition comprehensive speed/displacement equations just can be achieved so that system complex is pacified
Dress is difficult.Therefore, design a kind of multidirectional damper velocity displacement amplification device and use speed/displacement transmission ring, passed by gear
The transformational relation of dynamic centerline velocities/displacement, the radius ratio using travelling gear and linkage gear controllably amplify all directions
Detrusion, and by displacement/speed of the damper connection system output by amplification, a variety of dampers are adapted to, this is for reality
The shockproof control of engineering is significant.
Utility model content
In order to amplify less floor relative displacement and speed under geological process, and tackle the earthquake transmitted along random direction
Ripple so that damper can more fully play its vibration control effect, and the utility model proposes a kind of damper velocity position
Amplifying device is moved, speed and the relation of displacement when the device utilizes different radii gear coaxial rotating, amplifies damper and damping
Relative displacement and speed between device input rod member.The device is provided with displacement transmission ring, and the transmission ring is passed by a displacement
Lever receives the effect of vibration of building any direction, and is engaged with transfer gear train, to realize transfer gear train to not Tongfang
To displacement and the amplification of speed, the actual application value of existing damper is largely improved, adds its vibration damping consumption
The efficiency of energy.
To achieve these goals, the utility model takes following scheme:
The utility model proposes a kind of damper velocity displacement amplification device, fixed by closing guard shield 1, rotary shaft
Bar 2, central rotation bar 3, travelling gear 4, linkage gear 5, rotary shaft thrust bearing 6, displacement drive link 7, displacement transmission ring 8,
Transmission ring thrust bearing 9, transmission ring toothing 10 and damper connecting rod 11 form, it is characterised in that rotary shaft fix bar 2 is solid
The bottom surface of closing guard shield 1 is connected to, and closes and rotary shaft thrust bearing 6 is housed on guard shield 1, rotating shaft thrust bearing 6 connects
The centre rotational axis 3 connect, centre rotational axis 3 are enclosed in rotary shaft fix bar 2, and the upper and lower part of centre rotational axis 3 connects connection respectively
Moving gear 5 and travelling gear 4, displacement transmission ring 8 are enclosed on outside travelling gear 4, and transmission ring toothing 10 is located at displacement transmission ring 8
Inner side, travelling gear 4 and displacement transmission ring 8 are by transmission ring toothing 10 in inscribe point gearing;Displacement drive link 7 is installed in place
The normal direction of the place plane of transmission ring 8 is moved, transmission ring thrust bearing 9, transmission ring thrust bearing are provided with displacement drive link 7
9 are connected with displacement transmission ring 8, and damper connecting rod 11 engages with linkage gear 5.
In the utility model, displacement drive link 7 is affixed with building masonry wall or floor according to demand, and displacement transmission ring 8 can
Freely rotated around displacement drive link 7.
In the utility model, the radius of the linkage gear 5 should be greater than the radius of travelling gear 4.
When effect of vibration transmits along any direction, the relative storey displacement of building can drive position by displacement drive link
Move transmission ring and make plane motion along travelling gear outer rim, because displacement transmission ring and travelling gear are engaged in interior point of contact all the time, therefore
The plane motion of displacement transmission ring will trigger the rotation of transfer gear train, be closed using the radius size of linkage gear and travelling gear
System so that the displacement of the lines and linear velocity at linkage gear edge are exaggerated, and displacement and speed after amplification pass through damper again
Connecting rod is transmitted to damper, realizes the increase of energy consumption effect of damper, reaches more preferable effectiveness in vibration suppression.
Compared with prior art, it is as follows the advantages of the utility model:
1. utilizing transfer gear train, amplify less building relative displacement and speed under geological process, increase damper
Energy efficiency so that damper more fully play its vibration control effect.
2. the toothing on the inside of displacement transmission ring so that transmission ring does the plane motion of any direction under effect of vibration
When, the rotation of transfer gear train can be triggered, therefore amplifying device copes with the detrusion effect of any direction, to reality
Under geological process, vibration of the building along random direction has good amplification effect.
3. with well can suitability, the utility model proposes amplifying device can be according to the tool of different damping device
Body specification and actual installation direction, corresponding damper connecting rod is designed, to reach and a variety of displacements or velocity profile damper
Cooperate with the purpose of antidetonation.
4. there is good controllability, by the radius ratio for adjusting travelling gear and linkage gear, thus it is possible to vary device
Multiplication factor, be easy to according to actual conditions probe into different engineerings the experiment of specific radius ratio, it is real to determine to adapt to
The optimal radius ratio of border application.
Brief description of the drawings
Fig. 1 is the side view of the Bi-directional amplifier device of the utility model damper velocity displacement;
Fig. 2 is the top view of the Bi-directional amplifier device of the utility model damper velocity displacement.
Label in figure:1 is closing guard shield, and 2 be rotary shaft fix bar, swingle centered on 3, and 4 be travelling gear, 5
It is rotary shaft thrust bearing for linkage gear, 6,7 be displacement transmission ring, and 8 be transmission ring thrust bearing, and 9 be transmission ring toothing,
10 be damper connecting rod.
Embodiment
Describe specific embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Embodiment 1:As shown in figure 1, Fig. 2 is the implementation of the Bi-directional amplifier device of the utility model damper velocity displacement
Example, it mainly includes:Closing guard shield 1, the transfer gear train being installed in closing guard shield 1, transmit building displacement
Displacement drive link 7 and displacement transmission ring 8, and the damper connecting rod 11 being connected with existing damper.Rotary shaft fix bar 2
The bottom surface of closing guard shield 1 is fixed in, rotary shaft thrust bearing 6 is installed thereon, rotary shaft thrust bearing connection is hollow
And the centre rotational axis 3 that are enclosed in rotary shaft fix bar 2, the upper and lower parts of centre rotational axis 3 connect respectively linkage gear 5 with
And travelling gear 4, the radius of above-mentioned linkage gear 5 should be greater than the radius of travelling gear 4;It is cased with outside travelling gear 4 mutual therewith
Inscribe but displacement transmission ring 8 that radius is more or less the same, the inner side of displacement transmission ring 8 be provided with transmission ring toothing 10, travelling gear 4
With displacement transmission ring 8 by transmission ring toothing 10 in inscribe point gearing;In the normal orientation of the place plane of displacement transmission ring 8,
Piece lower end displacement drive link 7 affixed with building masonry wall or floor is installed, the upper end of displacement drive link 7 sets transmission ring
Thrust bearing 9 is connected with displacement transmission ring 8, and realizes freely the rotating around displacement drive link 7 of displacement transmission ring 8;Damper connects
Extension bar 11 engages with linkage gear 5, and extends to the outside of amplifying device, for connecting existing damper.
When effect of vibration transmits along any direction, the relative storey displacement of building can drive position by displacement drive link
Move transmission ring and make plane motion along travelling gear outer rim, because displacement transmission ring and travelling gear are engaged in interior point of contact all the time, therefore
The plane motion of displacement transmission ring will trigger the rotation of transfer gear train, be closed using the radius size of linkage gear and travelling gear
System so that the displacement of the lines and linear velocity at linkage gear edge are exaggerated, and displacement and speed after amplification pass through damper again
Connecting rod is transmitted to damper, realizes the increase of energy consumption effect of damper, reaches more preferable effectiveness in vibration suppression.
The radius ratio of the travelling gear 4 and linkage gear 5 is 1:5, the radius of travelling gear 4 is 50mm.
The internal diameter of the displacement transmission ring 8 is 52mm, a length of 100mm of bar of the displacement drive link 8.
Claims (3)
- A kind of 1. damper velocity displacement amplification device, by closing guard shield(1), rotary shaft fixing axle(2), centre rotational axis (3), travelling gear(4), linkage gear(5), rotary shaft thrust bearing(6), displacement drive link(7), displacement transmission ring(8), pass Rotating ring thrust bearing(9), transmission ring toothing(10)With damper connecting rod(11)Composition, it is characterised in that rotary shaft is fixed Axle(2)It is fixed in closing guard shield(1)Bottom surface, and close guard shield(1)It is upper that rotary shaft thrust bearing is housed(6), turn Axle thrust bearing(6)The centre rotational axis of connection(3), centre rotational axis(3)It is enclosed on rotary shaft fixing axle(2)On, central rotation Axle(3)Upper and lower part connect linkage gear respectively(5)And travelling gear(4), displacement transmission ring(8)It is enclosed on travelling gear(4) Outside, transmission ring toothing(10)It is located at displacement transmission ring(8)Inner side, travelling gear(4)With displacement transmission ring(8)Pass through transmission ring Toothing(10)In inscribe point gearing;Displacement drive link(7)Installed in displacement transmission ring(8)The normal direction of place plane, position Move drive link(7)On be provided with transmission ring thrust bearing(9), transmission ring thrust bearing(9)With displacement transmission ring(8)Connection, resistance Buddhist nun's device connecting rod(11)With linkage gear(5)Engagement.
- A kind of 2. damper velocity displacement amplification device according to claim 1, it is characterised in that:Displacement drive link(7) It is affixed with building masonry wall or floor according to demand, displacement transmission ring(8)Can be around displacement drive link(7)Freely rotate.
- A kind of 3. damper velocity displacement amplification device according to claim 1, it is characterised in that the linkage gear(5) Radius should be greater than travelling gear(4)Radius.
Priority Applications (1)
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CN201720479050.1U CN206987089U (en) | 2017-05-03 | 2017-05-03 | A kind of damper velocity displacement amplification device |
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CN201720479050.1U CN206987089U (en) | 2017-05-03 | 2017-05-03 | A kind of damper velocity displacement amplification device |
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CN201720479050.1U Expired - Fee Related CN206987089U (en) | 2017-05-03 | 2017-05-03 | A kind of damper velocity displacement amplification device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109057068A (en) * | 2018-09-07 | 2018-12-21 | 湖南大学 | A kind of displacement converter device, resolution of displacement device and for building the energy-consuming shock absorber for subtracting shock insulation |
CN115288018A (en) * | 2022-07-27 | 2022-11-04 | 兰州理工大学 | Inertial mass viscous damper with response amplification mechanism suitable for tunnel anchor |
-
2017
- 2017-05-03 CN CN201720479050.1U patent/CN206987089U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109057068A (en) * | 2018-09-07 | 2018-12-21 | 湖南大学 | A kind of displacement converter device, resolution of displacement device and for building the energy-consuming shock absorber for subtracting shock insulation |
CN115288018A (en) * | 2022-07-27 | 2022-11-04 | 兰州理工大学 | Inertial mass viscous damper with response amplification mechanism suitable for tunnel anchor |
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Date | Code | Title | Description |
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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: 20180209 Termination date: 20210503 |