CN207793860U - A kind of Multistage damping bearing - Google Patents
A kind of Multistage damping bearing Download PDFInfo
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- CN207793860U CN207793860U CN201820122418.3U CN201820122418U CN207793860U CN 207793860 U CN207793860 U CN 207793860U CN 201820122418 U CN201820122418 U CN 201820122418U CN 207793860 U CN207793860 U CN 207793860U
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- seat board
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- shear plate
- damping bearing
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Abstract
The utility model provides a kind of Multistage damping bearing, which includes：Upper base plate, lower seat board, the upper shear plate being fixed on upper base plate and the lower shear plate being fixed on shear plate；Wherein, distance S1 of the upper shear plate apart from lower seat board is more than distance S2 of the lower shear plate apart from lower seat board.Multistage damping bearing described in the utility model has the advantages that shock resistance is strong, durability is good and meets Bridge Design demand.
Description
Technical field
The utility model is related to bridge pad fields, and more particularly to a kind of Multistage damping bearing.
Background technology
In bridge and the design of other building structure, influence of the earthquake to engineering structure is often considered.Bearing is made
For bridge and the important component of other building structure, the load of the structure uppers such as bridge, building is not only passed into lower junction
Structure should also have and certain subtract function of shock insulation.
Currently, the domestic antishock device for bridge and other buildings mainly has lead-rubber aseismatic bearing, polyurethane bullet
Spring spherical bearing and big friction coefficient aseismatic bearing etc., equal Shortcomings place.Lead-rubber aseismatic bearing, due to durability
The poor, reasons such as bearing capacity is small, environmental pollution is serious, will gradually be eliminated；Polyurethane spring spherical bearing, due to durability
Difference, rear displacement in the wrong are small, and structure size is again big, is subject to certain restrictions in use；Big friction coefficient aseismatic bearing, due to being transmitted to down
The earthquake cross force of portion's structure is bigger, only relies on the friction pair earthquake energy of big friction coefficient, and cannot provide recovery
Power can only be used as a kind of anti-seismic construction, and practical anti seismic efficiency also can not meet the requirement of structure design.
Therefore, a kind of shock resistance is strong, durability is good and meets Bridge Design demand there is an urgent need for researching and developing by those skilled in the art
Shock mount.
Invention content
In order to solve at least partly above-mentioned technical problem, the utility model provides a kind of Multistage damping bearing comprising with
Lower content：It upper base plate, lower seat board, the upper shear plate being fixed on the upper base plate and cuts under being fixed on the upper shear plate
Power plate；Wherein, distance S1 of the upper shear plate apart from the lower seat board is more than the lower shear plate apart from the lower seat board
Distance S2.
In some embodiments, further include being fixed on the upper shear plate and described in the Multistage damping bearing
Middle shear plate between lower shear plate；The distance of the middle shear plate to the lower seat board is S3, S2 ＜ S3 ＜ S1.
In some embodiments, in the Multistage damping bearing, the middle shear plate be it is multiple, it is from bottom to up, more
The distance value of a middle shear plate to the lower seat board is incremented by successively.
In some embodiments, in the Multistage damping bearing, the upper shear plate by the first shear studs or
First axis pin is connected to the upper base plate；The lower shear plate is connected on described by the second shear studs or the second axis pin and is cut
On power plate.
In some embodiments, in the Multistage damping bearing, the middle shear plate by third shear studs or
Third axis pin is connected to middle shear plate disposed thereon or the upper shear plate.
In some embodiments, in the Multistage damping bearing, from top to bottom, first shear studs or first
Total shear strength of axis pin, total shear strength of the third shear studs or third axis pin, second shear studs or the second pin
Total shear strength of axis successively decreases successively.
In some embodiments, in the Multistage damping bearing, which further includes：It is arranged at the seat of honour
Middle seat board between plate and the lower seat board.
In some embodiments, in the Multistage damping bearing, the upper base plate has concave sphere or recessed cylinder
Lower face, the middle seat board have the upper surface in protrudent sphere or pillar face, the lower face of the upper base plate and the middle seat board
Upper surface matches to form friction pair.
In some embodiments, in the Multistage damping bearing, the lower face of the upper base plate is plane, in described
The upper surface of seat board is plane, and the upper surface of the lower face of the upper base plate and the middle seat board matches, and to form friction secondary.
In some embodiments, in the Multistage damping bearing, the lower seat board has concave sphere or recessed column type
Upper surface, the middle seat board have the lower face of protrudent sphere or convex column type, upper surface and the middle seat board of the lower seat board (3)
Lower face match that form friction secondary.
Advantageous effect：
Compared with prior art, in Multistage damping bearing described in the utility model, when earthquake motion occurs, earthquake motive force
It is transferred to lower shear plate by lower seat board, realizes that first subtracts shock insulation function by cutting the second shear studs or the second axis pin, from
And weaken effect of the seismic force to bridge pad；When the vibration force of earthquake is further transferred to upper shear plate, by cutting the
One shear studs or the first axis pin realize that second subtracts shock insulation function, further weaken effect of the seismic force to bridge pad.
Description of the drawings
Fig. 1 is the first structure schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model；
Fig. 2 is the second structural schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model；
Fig. 3 is the third structural schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model；
Fig. 4 is the 4th structural schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model；
Fig. 5 is the 5th structural schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model；
Fig. 6 is the 6th structural schematic diagram of the Multistage damping bearing described in the one of embodiment of the utility model.
Reference sign
1 represents upper base plate, and 2 represent upper shear plate, and 3 represent lower seat board, and 4 represent lower shear plate, and 5 represent the first shear studs
Or first axis pin, 6 represent the second shear studs or the second axis pin, 7 represent in seat board, 8 represent in shear plate, 9, which represent third, cuts
Power bolt or third axis pin.
Specific implementation mode
The various exemplary embodiment of the utility model is now described in detail, which is not considered as to this practicality
Novel limitation, and it is understood as some aspects to the utility model, the more detailed description of characteristic and embodiment.
It should be understood that the term described in the utility model is only to describe special embodiment, it is not intended to limit this
Utility model.In addition, for the numberical range in the utility model, it is thus understood that specifically disclose the upper and lower bound of the range
And each median between them.Median and any other statement value in any statement value or stated ranges or
Smaller range is also included in the utility model each of between median in the range.On these are small range of
Limit and lower limit can be included or excluded independently in range.
Unless otherwise stated, all technical and scientific terms used herein has field described in the utility model
The normally understood identical meanings of those having ordinary skill in the art.Although the utility model only describes preferred method and material,
It can also be used in the implementation or test of the utility model and similar or equivalent any method and material described herein.This explanation
All documents mentioned in book are incorporated by reference into, to disclosure and description and the relevant method of the document and/or material.
When conflicting with any document being incorporated to, it is subject to the content of this specification.
It, can be to the specific implementation of the utility model specification without departing substantially from the scope of the utility model or spirit
Mode does a variety of improvement and variation, this will be apparent to those skilled in the art.Present specification and embodiment
It is merely exemplary.
It is the term of opening, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
Any or all combinations about "and/or" used herein, including the things.
Below by way of specific implementation mode, and in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of Multistage damping bearing comprising：Upper base plate 1, is fixed lower seat board 3
Upper shear plate 2 on the upper base plate 1 and the lower shear plate 4 being fixed on the upper shear plate 2；Wherein, the upper shearing
Distance S1 of the plate 2 apart from the lower seat board 3 is more than distance S2 of the lower shear plate 4 apart from the lower seat board 3.
Upper shear plate 2 and the lower shear plate 4 described in the utility model are fixed on the lower face of the upper base plate 1,
The lower surface of the upper shear plate 2 and the lower shear plate 4 and the upper base plate 1 forms lower seat board 3 described at least accommodating portion
The groove of structure, the distance value S1 of the upper shear plate 2 and the side wall of the lower seat board 3.The lower seat board 3 is set in a groove,
When there is earthquake generation, the lower seat board 3 moves in a groove, and the lower seat board 3 is at first under close described of collision distance
Shear plate 4, impact force cut second shear studs or the second axis pin 6, realize that the first order subtracts shock insulation function.If under described
For seat board 3 because seismic force continuation is moved in a groove, the lower seat board 3 further hits against the upper shear plate 2, and impact force is by first
Shear studs or the first axis pin 5 are cut, and realize that the second level subtracts shock insulation function.
In said program, the upper shear plate 2 is connected to the upper base plate 1 by the first shear studs or the first axis pin 5；
The lower shear plate 4 is connected to by the second shear studs or the second axis pin 6 on the upper shear plate 2.Upper shear plate 2 passes through
One shear studs or the first axis pin 5 link together with upper base plate.In Multistage damping bearing described in the utility model, under described
Seat board 3 collides the upper shear plate 2, cuts the first shear studs or the first axis pin 5, and the upper shear plate 2 is from the upper base plate 1
On fall off, realize two level subtract shock insulation function.The second blind hole is offered on the upper shear plate 2, shear plate 4 passes through the second shearing spiral shell
Bolt or the second axis pin 6 link together with upper shear plate 2.In Multistage damping bearing described in the utility model, the lower seat board 3
The lower shear plate 4 is collided, cuts the second shear studs or the second axis pin 6, the lower shear plate 4 is from the upper shear plate 2
It falls off, realizes that level-one subtracts shock insulation function.
As shown in Fig. 2, the Multistage damping bearing described in the utility model one of which embodiment, shown in Fig. 1
Embodiment on the basis of, further include：The middle shear plate 8 being fixed between the upper shear plate 2 and the lower shear plate 4；
The distance of the middle shear plate 8 to the lower seat board 3 is S3, S2 ＜ S3 ＜ S1.During use, different shaking force,
Successively so that lower shear plate 4, middle shear plate 8 and upper shear plate 2 fall off, to realize Multistage damping.
In said program, the middle shear plate 8 is multiple, and from bottom to up, multiple middle shear plates 8 arrive the lower seat board
3 distance value is incremented by successively.According to different shock attenuation needs, multiple middle shear plates 8 can be set, for example, being sheared in setting 2
Plate 8 or 3 middle shear plates 8, multiple middle shear plates 8 constitute Multistage damping, improve the cushioning ability of shock mount.
In said program, the middle shear plate 8 by third shear studs or third axis pin 9 be connected to it is disposed thereon in
Shear plate or the upper shear plate 2.From top to bottom, total shear strength of first shear studs or the first axis pin 5, the third
Total shear strength of total shear strength of shear studs or third axis pin 9, second shear studs or the second axis pin 6 successively decreases successively.
Different total shear strengths, the ability for resisting vibrations is also different, realizes Multistage damping.
As shown in figure 3, the Multistage damping bearing described in the utility model one of which embodiment, shown in Fig. 1
Embodiment on the basis of, further include：The middle seat board 7 being arranged between the upper base plate 1 and the lower seat board 3, wherein described
Upper base plate 1 has the lower face of concave sphere or recessed column type, and the middle seat board 7 has the upper surface of protrudent sphere or convex column type, described
The lower face of upper base plate 1 and the upper surface of the middle seat board 7 match to form friction pair.In present embodiment, under having
The level-one of shear plate 4 subtracts function of shock insulation and the two level of upper shear plate 2 subtracts function of shock insulation, also utilize the upper base plate 1 and it is described in
The friction and movement of the curved surface acting surface of seat board 7, further cut down shaking force.For example, the acting surface of the upper base plate 1 is rust steel
The acting surface in plate acting surface or chromium plating acting surface or polishing action face, the middle seat board 7 is tetrafluoro slide plate acting surface, alternatively, institute
The acting surface for stating upper base plate 1 is tetrafluoro slide plate acting surface, and the acting surface of the middle seat board 7 is rust steel plate acting surface or chromium plating effect
Face or polishing action face.So that being formed between rust steel plate acting surface or chromium plating acting surface or polishing action face and tetrafluoro slide plate acting surface
The small sliding friction pair of friction coefficient carries out relative rotation motion of driving system convenient for the upper base plate 1 and the middle seat board 7.
In said program, the lower face of the upper base plate 1 and the upper surface another kind mode of action of the middle seat board 7 are：
There is the upper base plate 1 lower face of protrudent sphere, the middle seat board 7 to have the upper surface of concave sphere, the lower end of the upper base plate 1
Face and the upper surface of the middle seat board 7 match.
As shown in figure 4, the Multistage damping bearing described in the utility model one of which embodiment, shown in Fig. 1
Embodiment on the basis of, further include：The middle seat board 7 being arranged between the upper base plate 1 and the lower seat board 3, wherein described
Lower seat board 3 has the upper surface of concave sphere or recessed column type, and the middle seat board 7 has the lower face of protrudent sphere or convex column type, described
The upper surface of lower seat board 3 and the lower face of the middle seat board 7 match to form friction pair.In addition to the level-one with lower shear plate 4
The two level for subtracting function of shock insulation and upper shear plate 2 subtracts function of shock insulation, is also made using the curved surface of the lower seat board 3 and the middle seat board 7
With the friction and relative motion in face, shaking force is further cut down.For example, the acting surface of the lower seat board 3 is rust steel plate acting surface
Or chromium plating acting surface or polishing action face, the acting surface of the middle seat board 7 is tetrafluoro slide plate acting surface, alternatively, the lower seat board 3
Acting surface be tetrafluoro slide plate acting surface, the acting surface of the middle seat board 7 is rust steel plate acting surface or chromium plating acting surface or polishing
Acting surface.So that forming friction coefficient between rust steel plate acting surface or chromium plating acting surface or polishing action face and tetrafluoro slide plate acting surface
Small sliding friction pair carries out relative rotation motion of driving system convenient for the lower seat board 3 and the middle seat board 7.
In said program, the upper surface of the lower seat board 3 and the lower face another kind mode of action of the middle seat board 7 are：
There is the lower seat board 3 upper surface of protrudent sphere or convex column type, the middle seat board 7 to have the lower face of concave sphere or recessed column type,
The upper surface of the lower seat board 3 and the lower face of the middle seat board 7 match to form friction pair.
As shown in figure 5, the Multistage damping bearing described in the utility model one of which embodiment, shown in Fig. 1
Embodiment on the basis of, further include：The middle seat board 7 being arranged between the upper base plate 1 and the lower seat board 3, wherein described
Upper base plate 1 have concave sphere lower face, the middle seat board 7 have protrudent sphere upper surface, the lower face of the upper base plate 1 with
The upper surface of the middle seat board 7 matches, meanwhile, there is the lower seat board 3 upper surface of concave sphere, the middle seat board 7 to have
The lower face of protrudent sphere, the upper surface of the lower seat board 3 and the lower face of the middle seat board 7 match.In addition to lower shearing
The level-one of plate 4 subtracts function of shock insulation and the two level of upper shear plate 2 subtracts function of shock insulation, also utilizes the lower seat board 3 and the middle seat board 7
Curved surface acting surface and the effect of the curved surface of the upper base plate 1 and the middle seat board 7, hyperboloid cuts down shaking force simultaneously.For example,
The acting surface of the lower seat board 3 is rust steel plate acting surface or chromium plating acting surface or polishing action face, the acting surface of the middle seat board 7
For tetrafluoro slide plate acting surface, alternatively, the acting surface of the lower seat board 3 is tetrafluoro slide plate acting surface, the acting surface of the middle seat board 7
For rust steel plate acting surface or chromium plating acting surface or polishing action face, meanwhile, the acting surface of the upper base plate 1 is rust steel plate acting surface
Or chromium plating acting surface or polishing action face, the acting surface of the middle seat board 7 is tetrafluoro slide plate acting surface, alternatively, the upper base plate 1
Acting surface be tetrafluoro slide plate acting surface, the acting surface of the middle seat board 7 is rust steel plate acting surface or chromium plating acting surface or polishing
Acting surface.So that forming friction coefficient between rust steel plate acting surface or chromium plating acting surface or polishing action face and tetrafluoro slide plate acting surface
Small sliding friction pair carries out relative rotation motion of driving system and the lower seat board 3 and institute convenient for the upper base plate 1 and the middle seat board 7
It states middle seat board 7 and carries out relative rotation motion of driving system.
As shown in fig. 6, the Multistage damping bearing described in the utility model one of which embodiment, shown in Fig. 1
Embodiment on the basis of, further include：The middle seat board 7 being arranged between the upper base plate 1 and the lower seat board 3, wherein described
The lower face of upper base plate 1 is plane, and the upper surface of the middle seat board 7 is plane, the lower face of the upper base plate 1 and the middle seat
The upper surface of plate 7 matches to form friction pair.In addition to the level-one with lower shear plate 4 subtracts the two of function of shock insulation and upper shear plate 2
Grade subtracts function of shock insulation, also further cuts down shaking force using the acting surface of the upper base plate 1 and the middle seat board 7.
It, can be to the specific implementation of the utility model specification without departing substantially from the scope of the utility model or spirit
Mode does a variety of improvement and variation, this will be apparent to those skilled in the art.By the specification of the utility model
Obtained other embodiment is apparent obtain for technical personnel.Present specification and embodiment are only exemplary
's.
Claims (10)
1. a kind of Multistage damping bearing, which is characterized in that the shock mount includes：
Upper base plate (1), lower seat board (3), the upper shear plate (2) being fixed on the upper base plate (1) and it is fixed on the upper shearing
Lower shear plate (4) on plate (2)；
Wherein, distance S1 of the upper shear plate (2) apart from the lower seat board (3) is more than described in lower shear plate (4) distance
The distance S2 of lower seat board (3).
2. Multistage damping bearing according to claim 1, which is characterized in that further include being fixed on the upper shear plate (2)
Middle shear plate (8) between the lower shear plate (4)；The distance of the middle shear plate (8) to the lower seat board (3) is S3,
S2 ＜ S3 ＜ S1.
3. Multistage damping bearing according to claim 2, which is characterized in that the middle shear plate (8) be it is multiple, from down toward
On, the distance value of multiple middle shear plates (8) to the lower seat board (3) is incremented by successively.
4. Multistage damping bearing according to claim 3, which is characterized in that the upper shear plate (2) passes through the first shearing
Bolt or the first axis pin (5) are connected to the upper base plate (1)；The lower shear plate (4) is sold by the second shear studs or second
Axis (6) is connected on the upper shear plate (2).
5. Multistage damping bearing according to claim 4, which is characterized in that the middle shear plate (8) is sheared by third
Bolt or third axis pin (9) are connected to middle shear plate disposed thereon or the upper shear plate (2).
6. Multistage damping bearing according to claim 5, which is characterized in that from top to bottom, first shear studs or
Total shear strength of first axis pin (5), total shear strength of the third shear studs or third axis pin (9), the second shearing spiral shell
Total shear strength of bolt or the second axis pin (6) successively decreases successively.
7. Multistage damping bearing according to claim 1, which is characterized in that the shock mount further includes：It is arranged described
Middle seat board (7) between upper base plate (1) and the lower seat board (3).
8. Multistage damping bearing according to claim 7, which is characterized in that the upper base plate (1) has concave sphere or recessed
The lower face of cylinder, the middle seat board (7) have a upper surface in protrudent sphere or pillar face, the lower face of the upper base plate (1) with
The upper surface of the middle seat board (7) matches to form friction pair.
9. Multistage damping bearing according to claim 7, which is characterized in that the lower face of the upper base plate (1) is plane,
The upper surface of the middle seat board (7) is plane, the upper surface phase of the lower face of the upper base plate (1) and the middle seat board (7)
It is secondary with friction is formed.
10. Multistage damping bearing according to claim 7, which is characterized in that the lower seat board (3) has concave sphere or recessed
The upper surface of column type, the middle seat board (7) have a lower face of protrudent sphere or convex column type, the upper surface of the lower seat board (3) with
The lower face of the middle seat board (7) matches to form friction pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122418.3U CN207793860U (en) | 2018-01-25 | 2018-01-25 | A kind of Multistage damping bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122418.3U CN207793860U (en) | 2018-01-25 | 2018-01-25 | A kind of Multistage damping bearing |
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| Publication Number | Publication Date |
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| CN207793860U true CN207793860U (en) | 2018-08-31 |
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| CN201820122418.3U Active CN207793860U (en) | 2018-01-25 | 2018-01-25 | A kind of Multistage damping bearing |
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| CN (1) | CN207793860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237389A (en) * | 2020-01-15 | 2020-06-05 | 巨力索具股份有限公司 | Secondary shearing protection device |
-
2018
- 2018-01-25 CN CN201820122418.3U patent/CN207793860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237389A (en) * | 2020-01-15 | 2020-06-05 | 巨力索具股份有限公司 | Secondary shearing protection device |
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