CN218323178U - Multi-dimensional environment-friendly seismic mitigation and isolation bearing seat - Google Patents
Multi-dimensional environment-friendly seismic mitigation and isolation bearing seat Download PDFInfo
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- CN218323178U CN218323178U CN202222021247.4U CN202222021247U CN218323178U CN 218323178 U CN218323178 U CN 218323178U CN 202222021247 U CN202222021247 U CN 202222021247U CN 218323178 U CN218323178 U CN 218323178U
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Abstract
The utility model discloses a multi-dimensional environment-friendly subtracts shock insulation bearing, including bedplate and last bedplate down, first mounting hole has been seted up at the top of bedplate down, first spacing groove has been seted up at the top of bedplate down, the top of bedplate is provided with first spacing ring down, first spacing inslot is provided with the joint bulb, the second mounting hole has been seted up to the bottom of going up the bedplate. Through recess reinforcing elastic deformation ability, through first spacing ring and second spacing ring for the level and the torsional displacement of restriction shock attenuation unit, and then make this supporting base have certain from the reset capability, the shock attenuation unit adopts the engineering elastomer preparation that possesses self-lubricating property, is the joint sphere with joint bulb contact surface, provides lubrication when the shock attenuation unit receives load deformation, reduces stress concentration, slows down fatigue aging, because of too big friction results in the shock attenuation unit to tear the risk when reducing the deformation.
Description
Technical Field
The utility model relates to a supporting pedestal technical field especially relates to a multi-dimensional environment-friendly subtracts isolation bearing.
Background
The vibration isolation support is an important structural component for connecting upper structures and lower structures of bridges, buildings and large-scale equipment, and can reliably transmit the counter force and deformation (displacement and corner) of the vibration isolation support for connecting the upper structures of the bridges, the buildings and the large-scale equipment to the vibration isolation support for connecting the lower structures of the bridges, the buildings and the large-scale equipment, so that the actual stress condition of the structure conforms to the calculated theoretical diagram.
Although the traditional rubber type supporting seat has self-resetting capability, the damping is limited, and the traditional rubber type supporting seat has no advantage in the aspect of dissipating vibration energy;
the traditional sliding type bearing block has no self-resetting capability after once sliding;
the traditional vibration isolation support is mainly designed on horizontal vibration isolation, and the automatic resetting capability of the laminated steel plate rubber bearing support is weak; the sliding support base is not beneficial to the stability of the mechanism after vertical displacement is generated. The laminated steel plate rubber supporting seat has the common phenomenon that the thickness distribution of rubber layers is uneven, so that the local mechanical property is easily reduced greatly, the vertical pressure on the supporting seat is uneven, cavities and cracks are easily generated on the individual rubber layers, damage is formed, and the durability of the supporting seat is influenced. Because the vibration is multidimensional, the known three-dimensional or multidimensional vibration isolation devices in the prior patent are all connected in series by the supporting seats with relatively independent functions, so that the structure is complex, the size is increased, more materials are consumed, the cost is increased, and the supporting seat unit with single function is difficult to deal with other external forces.
The laminated rubber mount has a structure in which lead bars are provided inside in order to provide the mount with a certain lateral rigidity. Lead belongs to one of three heavy metal pollutants, is a heavy metal element seriously harming human health, and can cause lead pollution through direct contact.
The traditional vibration isolation supporting seat mainly adopts rubber as a damping elastomer, has more inherent defects such as large friction coefficient, lower wear resistance and lower bearing capacity, and needs to arrange sliding materials such as graphite, sand grains, talcum powder and the like with low friction coefficient in a vibration isolation layer. When the sliding material is worn out in use, the friction coefficient increases.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model provides a multi-dimensional environment-friendly subtracts isolation bearing is applied to the multi-dimensional vibration isolation environment-friendly bearing of bridge, building and main equipment, and its simple structure can be at level and vertical direction vibration isolation simultaneously to can the basic rotation of separation and inflection transmission, the external vibration energy of effective absorption
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a shock insulation bearing is subtracted to multidimension environment-friendly, includes bedplate and last bedplate down, first mounting hole has been seted up at the top of bedplate down, first spacing groove has been seted up at the top of bedplate down, the top of bedplate is provided with first spacing ring down, first spacing inslot is provided with the joint bulb, the second mounting hole has been seted up to the bottom of going up the bedplate, the bottom welded mounting of going up the bedplate has the second spacing ring, the bottom fixed mounting of going up the bedplate has shock attenuation unit, the embedded multilayer wave spring that installs of base of shock attenuation unit strengthens shock attenuation unit's support and reset ability, the surface of shock attenuation unit is seted up flutedly, the second spacing groove has been seted up to the bottom of shock attenuation unit.
Preferably, the number of the first mounting holes is eight, and the eight first mounting holes are arranged in an annular array, so that the supporting base is convenient to mount.
Preferably, the first limiting groove is in a step shape and is matched with the bottom of the joint ball head.
Preferably, the number of the second mounting holes is eight, and the eight second mounting holes are arranged in an annular array, so that the supporting base is convenient to mount.
Preferably, the second limiting ring and the first limiting ring are arranged correspondingly.
Preferably, the damping unit is made of a self-lubricating engineering elastomer.
Preferably, the groove is in the shape of a V-ring for limiting horizontal and torsional displacement of the support.
Preferably, the shock-absorbing unit is embedded in a multi-layer wave spring.
Preferably, the cross section of the second limiting groove is semicircular, and the second limiting groove is matched with the top of the joint ball head.
Preferably, the joint ball head is a hemisphere.
Compared with the prior art, the beneficial effects of the utility model are that: the multidimensional environment-friendly shock absorption and isolation bearing seat can reduce horizontal vibration and bear larger vertical load through a shock absorption unit and a multilayer wave spring inside the shock absorption unit, can bear the vertical load of the whole upper seat plate through the matching of the shock absorption unit and a joint ball head, is made of a self-lubricating engineering elastomer through the shock absorption unit, ensures that the displacement of the shock absorption unit is not large, ensures that the device has certain initial horizontal rigidity through the shock absorption unit and the joint ball head, can resist the load and brake the load, further improves the dissipation efficiency of the shock absorption unit, enhances the elastic deformation capacity through a groove, is used for limiting the horizontal displacement and the torsional displacement of the shock absorption unit through a first limiting ring and a second limiting ring, further ensures that the bearing base has certain self-resetting capacity, is prepared from the engineering elastomer with the self-lubricating performance, is a joint ball surface in contact with a working surface of the joint ball head, provides lubrication when the shock absorption unit is deformed by load, reduces stress concentration, slows down fatigue aging, and reduces the risk of tearing of the shock absorption unit due to overlarge friction during deformation. The multi-dimensional environment-friendly vibration reduction and isolation support can effectively deal with horizontal, vertical, torsional and flexural vibration, can prevent the transmission of rotation and flexure of the foundation, can protect the vibration isolation support from being damaged under large external acting force, and can realize multi-dimensional vibration isolation.
Drawings
FIG. 1 is a schematic structural view of an isometric view of the present invention;
FIG. 2 is a schematic structural view of a front sectional view of the present invention;
FIG. 3 is a schematic view of the lower seat plate of the present invention;
FIG. 4 is a schematic structural view of the joint ball of the present invention;
FIG. 5 is a schematic view of the structure of the damping unit of the present invention;
fig. 6 is a schematic structural view of the upper seat plate of the present invention.
In the figure: the damping device comprises a lower seat plate 1, a first mounting hole 2, a first limiting groove 3, a first limiting ring 4, a joint ball head 5, a damping unit 6, a multi-layer wave spring 8, a groove 9, a second limiting groove 10, an upper seat plate 11, a second mounting hole 12 and a second limiting ring 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1-6, the utility model provides a technical scheme, a multi-dimensional environment-friendly seismic mitigation and isolation bearing seat, which comprises a lower seat plate 1 and an upper seat plate 11, wherein the top of the lower seat plate 1 is provided with first mounting holes 2, the number of the first mounting holes 2 is eight, the eight first mounting holes 2 are arranged in an annular array, so as to be convenient for mounting the bearing base, the top of the lower seat plate 1 is provided with a first limiting groove 3, the top of the lower seat plate 1 is provided with a first limiting ring 4, the first limiting groove 3 is internally provided with a joint ball 5, the joint ball 5 is a hemisphere, the first limiting groove 3 is in a ladder shape and is matched with the bottom of the joint ball 5, the bottom of the upper seat plate 11 is provided with a second mounting hole 12, the number of the second mounting holes 12 is eight, and the eight second mounting holes 12 are arranged in an annular array, further, the supporting base is convenient to install, a second limiting ring 13 is installed at the bottom of the upper seat plate 11, the second limiting ring 13 is arranged corresponding to the first limiting ring 4, a damping unit 6 is fixedly installed at the bottom of the upper seat plate 11, the damping unit 6 is made of a self-lubricating engineering elastomer, a plurality of layers of wave springs 8 are arranged at the bottom of the damping unit 6, a groove 9 is formed in the surface of the damping unit 6, the damping unit 6 is embedded into the plurality of layers of wave springs 8, a second limiting groove 10 is formed in the bottom of the damping unit 6, the cross section of the second limiting groove 10 is semicircular, the second limiting groove 10 is matched with the top of the joint ball head 5, horizontal vibration can be reduced through the damping unit 6 and the plurality of layers of wave springs 8 in the damping unit, large vertical load can be borne, and the vertical load of the whole upper seat plate 11 is borne through the damping unit 6 and the joint ball head 5 in a matching manner, adopt self-lubricating engineering elastomer to make through shock attenuation unit 6, make the displacement of shock attenuation unit 6 not very big, make the device possess certain initial horizontal rigidity through shock attenuation unit 6 and joint bulb 5, can resist the effect of load and braking load, and then improve this shock attenuation unit vibration energy dissipation efficiency, strengthen elastic deformation ability through recess 9, through first spacing ring 4 and second spacing ring 13, a level and the torsional displacement for limiting shock attenuation unit 6, and then make this supporting pedestal have certain from the reset capability, shock attenuation unit 6 adopts the engineering elastomer preparation that possesses self-lubricating property, be the joint sphere with joint bulb 5 contact working face, provide lubrication when shock attenuation unit 6 receives load deformation, reduce stress concentration, slow down fatigue aging, reduce and lead to shock attenuation unit 6 to tear the risk because of too big friction when warping.
When in use: the staff installs bedplate 1 down at the top of pier through first mounting hole 2, install upper seat plate 11 in the bottom of bridge through second mounting hole 12, can reduce horizontal vibration and can bear great vertical load again through damping unit 6 and its inside multilayer wave spring 8, bear whole upper seat plate 11's vertical load through damping unit 6 and joint bulb 5 matching, can provide certain damping again, make bedplate 1 down and fixed bottom surface because the inertia force redistribution of vibration production, because damping unit 6 adopts self-lubricating engineering elastomer to make, make damping unit 6's displacement can not be very big, make the device possess certain initial horizontal rigidity through damping unit 6 and joint bulb 5, can resist the effect of load and braking load, strengthen elastic deformation ability through recess 9, when damping unit 6 receives compression and deformation, damping unit 6 receives the extrusion and produces elastic deformation to the groove position, prevent that damping unit 6 is outstanding to exceed the spacing edge of bedplate and bedplate down and is extrudeed and is destroyed, through first spacing ring 4 and second spacing ring 13, a level and torsional displacement for limiting damping unit 6.
In conclusion, the multi-dimensional environment-friendly shock absorption and isolation bearing seat can reduce horizontal vibration and bear larger vertical load through the shock absorption unit 6 and the multiple layers of wave springs 8 in the shock absorption unit 6, can bear the vertical load of the whole upper seat plate 11 through the matching of the shock absorption unit 6 and the joint ball head 5, is made of self-lubricating engineering elastomers through the shock absorption unit 6, enables the displacement of the shock absorption unit 6 not to be large, enables the device to have certain initial horizontal rigidity through the shock absorption unit 6 and the joint ball head 5, can resist the load and brake the load, further improves the vibration energy dissipation efficiency of the shock absorption unit, enhances the elastic deformation capacity through the groove 9, is used for limiting the horizontal and torsional displacement of the shock absorption unit 6 through the first limiting ring 4 and the second limiting ring 13, further enables the bearing seat to have certain self-resetting capacity, the shock absorption unit 6 is made of the engineering elastomers with the self-lubricating performance, the working face in contact with the joint ball head 5 is a spherical surface, lubrication is provided when the shock absorption unit 6 is deformed by the load, reduces stress concentration, slows down fatigue aging, reduces the risk of tearing of the shock absorption unit 6 caused by excessive friction during deformation, and solves the problem that the existing self-resetting efficiency of the shock absorption unit is poor.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a shock insulation bearing is subtracted to multidimension environment-friendly, includes bedplate (1) and last bedplate (11) down, its characterized in that, first mounting hole (2) have been seted up at the top of bedplate (1) down, first spacing groove (3) have been seted up at the top of bedplate (1) down, the top of bedplate (1) is provided with first spacing ring (4) down, be provided with joint bulb (5) in first spacing groove (3), second mounting hole (12) have been seted up to the bottom of going up bedplate (11), second spacing ring (13) have been installed in the bottom welding of going up bedplate (11), the bottom fixed mounting of going up bedplate (11) has shock attenuation unit (6), the bottom of shock attenuation unit (6) is embedded installs multilayer wave spring (8), recess (9) have been seted up on the surface of shock attenuation unit (6), second spacing groove (10) have been seted up to the bottom of shock attenuation unit (6).
2. The multi-dimensional environment-friendly seismic mitigation and absorption bearing seat according to claim 1, wherein the number of the first installation holes (2) is eight, and the eight first installation holes (2) are arranged in an annular array.
3. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the first limit groove (3) is step-shaped and is matched with the bottom of the joint ball head (5).
4. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the number of the second mounting holes (12) is eight, and the eight groups of second mounting holes (12) are arranged in an annular array.
5. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the second limiting ring (13) is arranged corresponding to the first limiting ring (4).
6. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the damping unit (6) is made of a self-lubricating engineering elastomer.
7. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the shock absorption unit (6) is embedded with a plurality of layers of wave springs (8).
8. The multi-dimensional environment-friendly seismic mitigation and isolation bearing according to claim 1, wherein the section of the second limiting groove (10) is semicircular, and the second limiting groove (10) is matched with the top of the joint ball head (5).
9. The multi-dimensional environment-friendly seismic mitigation and absorption bearing seat according to claim 1, wherein the joint ball head (5) is a hemisphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021247.4U CN218323178U (en) | 2022-08-02 | 2022-08-02 | Multi-dimensional environment-friendly seismic mitigation and isolation bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021247.4U CN218323178U (en) | 2022-08-02 | 2022-08-02 | Multi-dimensional environment-friendly seismic mitigation and isolation bearing seat |
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| CN218323178U true CN218323178U (en) | 2023-01-17 |
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| CN202222021247.4U Active CN218323178U (en) | 2022-08-02 | 2022-08-02 | Multi-dimensional environment-friendly seismic mitigation and isolation bearing seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480017A (en) * | 2023-05-30 | 2023-07-25 | 中国地震局工程力学研究所 | V-shaped overlapped ring support |
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2022
- 2022-08-02 CN CN202222021247.4U patent/CN218323178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116480017A (en) * | 2023-05-30 | 2023-07-25 | 中国地震局工程力学研究所 | V-shaped overlapped ring support |
| CN116480017B (en) * | 2023-05-30 | 2023-09-29 | 中国地震局工程力学研究所 | V-shaped overlapped ring support |
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