CN108867915B - Bidirectional roller multistage damping support - Google Patents
Bidirectional roller multistage damping support Download PDFInfo
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- CN108867915B CN108867915B CN201810840203.XA CN201810840203A CN108867915B CN 108867915 B CN108867915 B CN 108867915B CN 201810840203 A CN201810840203 A CN 201810840203A CN 108867915 B CN108867915 B CN 108867915B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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Abstract
The invention relates to the technical field of damping supports, in particular to a bidirectional roller multi-stage damping support, which is used for solving the problems that a lead core damping support in the prior art is difficult to recover and deform when a lead core is thick, the internal damping distribution is uneven, and the damping function can not be continuously exerted in aftershock. The invention provides a bidirectional roller multistage damping support which comprises a first damping roller, a second damping roller, a lead core strut, a first connecting plate, a second connecting plate and a third connecting plate, wherein the lead core strut, the first damping roller and the second damping roller are respectively arranged in an installation space formed by the first connecting plate, the second connecting plate and the third connecting plate, when the lead core strut is in failure of support, the first damping roller and the second damping roller roll to support the first connecting plate and the second connecting plate, when in use, the lead core strut firstly absorbs energy generated by an earthquake to perform primary damping energy dissipation, and when in aftershock, the first damping roller and the second damping roller perform secondary damping energy dissipation.
Description
Technical Field
The invention relates to the technical field of damping supports, in particular to a bidirectional roller multistage damping support.
Background
Due to the fact that the earthquake is difficult to predict, when earthquake disasters occur, great economic losses and casualties are caused, and therefore the development of the shock absorption device is particularly important. Therefore, a shock absorption support is often used for shock absorption and shock absorption during construction.
In the prior art, the damping support which is most widely used by a single lead core laminated rubber steel plate represented by a lead core absorbs seismic energy by means of lead core deformation, and then the deformation is recovered by means of the action of shearing tension of rubber and the recrystallization process of the lead core, but the recovery deformation is difficult when the lead core is relatively thick, and the damping distribution inside the laminated rubber is uneven due to the single lead core, so that the application range of the damping support is influenced.
In addition, when an earthquake occurs, a series of aftershocks usually follow the earthquake after the main earthquake occurs, and the damping support in the prior art rarely considers the problem that the device is damaged after the main earthquake occurs and cannot play a damping role again in the aftershocks.
In summary, the single lead core damping support in the prior art has the problems that the recovery and deformation are difficult when the lead core is relatively thick, the internal damping distribution is uneven, and the damping effect cannot be continuously exerted in aftershocks.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a bidirectional roller multistage damping support to solve the problems that in the lead core damping support in the prior art, when a lead core is thick, the recovery and deformation are difficult, the internal damping distribution is uneven, and the damping effect cannot be continuously exerted in aftershock.
In order to solve the above problems, the present invention provides the following technical solutions:
a bidirectional roller multistage damping support comprises a first damping roller, a second damping roller, a lead core strut, a first connecting plate, a second connecting plate and a third connecting plate;
the first connecting plate, the second connecting plate and the third connecting plate are arranged at intervals from top to bottom,
a first mounting space is formed between the first connecting plate and the second connecting plate, and a second mounting space is formed between the second connecting plate and the third connecting plate;
a lead core strut and a first damping roller are arranged in the first mounting space and used for supporting the first connecting plate and the second connecting plate;
a lead core support column and a second damping roller are arranged in the second mounting space and used for supporting the second connecting plate and the third connecting plate;
when the lead core support fails to support, the first damping roller supports the first connecting plate in a rolling manner, and the second damping roller supports the second connecting plate in a rolling manner.
In a still further aspect of the present invention,
the first damping roller is horizontally arranged in the first installation space, and a gap is formed between the first damping roller and the first connecting plate;
the second damping roller is horizontally arranged in the second mounting space, and a gap is formed between the second damping roller and the second connecting plate;
and the first damping roller is perpendicular to the second damping roller.
In a still further aspect of the present invention,
the lead core support comprises a lead core and a composite laminated rubber steel plate sleeved outside the lead core,
the composite laminated rubber steel plate comprises a rubber layer and a steel plate layer, wherein the rubber layer and the steel plate layer are arranged in a staggered mode.
In a still further aspect of the present invention,
the lead support posts are arranged around a central array of the first or second mounting spaces.
In a still further aspect of the present invention,
a first groove is formed in the end face, facing the first mounting space, of the first connecting plate;
the first groove is used for installing and accommodating the upper part of the first damping roller.
In a still further aspect of the present invention,
the end face of the second connecting plate facing the first mounting space is provided with a second groove, and the end face of the second connecting plate facing the second mounting space is provided with a third groove;
the second groove is used for installing and accommodating the lower part of the first damping roller,
the third groove is used for installing and accommodating the upper part of the second damping roller.
In a still further aspect of the present invention,
a fourth groove is formed in the end, facing the second mounting space, of the third connecting plate;
the fourth groove is used for accommodating the lower part of the second damping roller.
In a still further aspect of the present invention,
the first groove, the second groove, the third groove and the fourth groove are all arc grooves.
In a still further aspect of the present invention,
the bidirectional roller multistage damping support also comprises an inner baffle,
the inner baffle is arranged in the first mounting space and the second mounting space and is positioned at the outer sides of the first damping roller and the second damping roller.
In a still further aspect of the present invention,
the bidirectional roller multistage damping support also comprises a rubber protective layer,
the rubber protective layer is sleeved outside the first installation space and the second installation space and used for sealing the first installation space and the second installation space.
By combining the technical scheme, the beneficial effects brought by the invention are analyzed as follows:
a bidirectional roller multistage damping support comprises a first damping roller, a second damping roller, a lead core strut, a first connecting plate, a second connecting plate and a third connecting plate;
the first connecting plate, the second connecting plate and the third connecting plate are arranged at intervals from top to bottom,
a first mounting space is formed between the first connecting plate and the second connecting plate, and a second mounting space is formed between the second connecting plate and the third connecting plate;
a lead core support column and a first damping roller are arranged in the first mounting space and used for supporting the first connecting plate and the second connecting plate;
a lead core support column and a second damping roller are arranged in the second mounting space and used for supporting the second connecting plate and the third connecting plate;
when the lead core support fails, the first damping roller rolls to support the first connecting plate, and the second damping roller rolls to support the second connecting plate.
In the using process, when an earthquake occurs, the lead core strut firstly absorbs energy impact generated by the earthquake to generate bending deformation, and primary damping energy consumption is carried out;
at the moment, the lead core support column is subjected to bending deformation due to damping energy consumption, and the supporting function of the first connecting plate and the second connecting plate is disabled.
Under the effect of the gravity of the building, the first connecting plate and the second connecting plate respectively move downwards to press the first damping roller and the second damping roller, when aftershock occurs, energy impact generated by the aftershock enables the first damping roller to roll in the first installation space, and/or the second damping roller to roll in the second installation space, and drives the first connecting plate, the second connecting plate and the third connecting plate to horizontally shift and slide, so that energy impact generated by the aftershock is absorbed, and secondary damping energy consumption is carried out.
Compared with the single lead core damping support in the prior art, the added first damping roller and the added second damping roller can be used for driving the first connecting plate, the second connecting plate and the third connecting plate to horizontally dislocate and slide during aftershock, so that energy impact generated by the aftershock is absorbed, and secondary damping and energy dissipation are performed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an overall structure of a bidirectional roller multistage damping support provided in an embodiment of the present invention;
FIG. 2 is a vertical cross-sectional view of a bi-directional roller multi-stage damping mount provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a single lead structure of a lead support according to an embodiment of the present invention;
fig. 4 is a schematic view of a multi-lead structure of a lead support according to an embodiment of the present invention.
Icon: 110-a first shock absorbing roller; 120-a second shock absorbing roller; 200-lead studs; 210-lead core; 220-composite laminated rubber steel plate; 221-a rubber layer; 222-steel plate layer; 300-a first connection plate; 310-a first groove; 400-a second connecting plate; 410-a second groove; 420-a third groove; 500-a third connecting plate; 510-a fourth groove; 600-inner baffle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Embodiment 1 is described in detail below with reference to the accompanying drawings:
example 1
A bidirectional roller multistage damping support comprises a first damping roller 110, a second damping roller 120, a lead core support 200, a first connecting plate 300, a second connecting plate 400 and a third connecting plate 500;
the first connecting plate 300, the second connecting plate 400 and the third connecting plate 500 are arranged at intervals from top to bottom,
a first mounting space is formed between the first connecting plate 300 and the second connecting plate 400, and a second mounting space is formed between the second connecting plate 400 and the third connecting plate 500;
a lead support 200 for supporting the first connection plate 300 and the second connection plate 400 and a first damping roller 110 are disposed in the first mounting space;
the second mounting space is internally provided with a lead support 200 for supporting the second connecting plate 400 and the third connecting plate 500 and a second damping roller 120;
in the event of a failure of the lead support 200, the first damper roller 110 rollingly supports the first connecting plate 300, and the second damper roller 120 rollingly supports the second connecting plate 400.
Fig. 1 is a schematic view of an overall structure of a bidirectional roller multistage damping support according to an embodiment of the present invention:
in the using process, when an earthquake occurs, the lead core strut 200 firstly absorbs energy impact generated by the earthquake to generate bending deformation, and primary damping energy consumption is carried out;
at this time, the lead core support 200 is deformed due to the bending caused by the energy consumption for damping, and the supporting function for the first connecting plate 300 and the second connecting plate 400 is disabled.
Under the action of gravity of a building, the first connecting plate 300 and the second connecting plate 400 respectively move downwards to press the first damping roller 110 and the second damping roller 120, when aftershock occurs, energy impact generated by the aftershock enables the first damping roller 110 to roll in the first installation space, and/or the second damping roller 120 rolls in the second installation space, and drives the first connecting plate 300, the second connecting plate 400 and the third connecting plate 500 to horizontally shift and slide, so that energy impact generated by the aftershock is absorbed, and secondary damping energy consumption is performed.
Compared with the single lead core damping support in the prior art, the added first damping roller 110 and the added second damping roller 120 can be used for driving the first connecting plate 300, the second connecting plate 400 and the third connecting plate 500 to horizontally dislocate and slide during aftershock, so that energy impact generated by the aftershock is absorbed, and secondary damping and energy dissipation are performed.
In an alternative to this embodiment, it is preferable that,
the first damping roller 110 is horizontally disposed in the first installation space with a gap from the first connection plate 300;
the second damping roller 120 is horizontally disposed in the second mounting space with a gap from the second connecting plate 400;
and the first and second shock-absorbing rollers 110 and 120 are perpendicular.
The design is that:
the first damping roller 110 can drive the first connecting plate 300 to move back and forth along the axial direction of the second damping roller 120 when supporting and rolling;
the second damping roller 120 can drive the second connecting plate 400 to move back and forth along the axial direction of the first damping roller 110 when supporting and rolling.
In an alternative to this embodiment, it is preferable that,
the lead support 200 includes a lead 210 and a composite laminated rubber steel plate 220 fitted over the lead 210,
the composite laminated rubber steel plate 220 includes a rubber layer 221 and a steel plate layer 222, and the rubber layer 221 and the steel plate layer 222 are alternately arranged.
The lead support 200 may be configured as a single lead structure with a composite laminated rubberized steel sheet 220 encasing a single lead structure of the lead 210.
Fig. 3 is a schematic view of a single lead structure of a lead support according to an embodiment of the present invention:
the multiple rubber layers 221 and the multiple steel plate layers 222 are arranged in a staggered mode to form the composite laminated rubber steel plate 220, when the lead core support column 200 absorbs energy impact generated by an earthquake to generate bending deformation, the composite laminated rubber steel plate 220 sleeved outside the lead core 210 generates shearing deformation, the rubber layers 221 of the composite laminated rubber steel plate 220 generate resetting shearing tension after the earthquake, the lead core 210 restores deformation through the dynamic recovery and recrystallization processes and the action of the resetting shearing tension of the rubber layers 221, and then the building restores to the original position.
The lead support column 200 of the single lead structure has the advantages of small size of the whole structure, convenience in installation and debugging, capability of adjusting the number and the distribution condition of the 200 lead support columns according to different bearing conditions, and high use flexibility.
But is not limited thereto,
the lead support 200 may also be configured as a multi-lead structure with a plurality of leads 210 nested in a composite laminated rubber steel sheet 220.
Fig. 4 is a schematic view of a multi-lead structure of a lead support according to an embodiment of the present invention:
the composite laminated rubber steel plate 220 is arranged in a ring shape, the lead cores 210 are uniformly arranged in the composite laminated rubber steel plate 220, the lead core support 200 with the multi-lead core structure is provided with more composite laminated rubber steel plates 220, the lead cores 210 are fully wrapped, and the rubber layer 221 of the composite laminated rubber steel plate 220 generates reset shearing tension after an earthquake, so that the recovery effect of the lead cores 210 is better.
In an alternative to this embodiment, it is preferable that,
the lead support posts 200 are arranged about a central array of the first or second mounting spaces.
The bidirectional roller multistage damping support provided by the invention is provided with the plurality of lead support columns 200, and the lead support columns 200 are arranged around the center of the installation space in an array manner, so that under the working condition of the same bearing load, the size of a single lead support column 200 can be reduced by the design, the bearing load of each lead support column 200 is equal, the size of each lead support column 200 is small, and the subsequent recovery is relatively easy.
In addition, the arrangement of the lead support posts 200 in a central array around the installation space also provides a more uniform distribution of rubber damping within the composite laminated rubber steel panel 220.
The problems that when a lead is thick, the single lead damping support in the prior art is difficult to recover and deform, and the internal damping distribution is not uniform are solved.
In an alternative to this embodiment, it is preferable that,
an end surface of the first connecting plate 300 facing the first mounting space is provided with a first groove 310, and the first groove 310 is used for mounting and accommodating an upper portion of the first shock-absorbing roller 110.
The first groove 310 may limit a rolling range of the first shock-absorbing roller 110 in the first mounting space, preventing the first shock-absorbing roller 110 from rolling out of the first mounting space.
In an alternative to this embodiment, it is preferable that,
a second connection plate 400 having a second groove 410 formed on an end surface facing the first mounting space and a third groove 420 formed on an end surface facing the second mounting space; the second recess 410 is adapted to receive a lower portion of the first shock-absorbing roller 110, and the third recess 420 is adapted to receive an upper portion of the second shock-absorbing roller 120.
The second groove 410 may also limit the rolling range of the first shock-absorbing roller 110 in the second installation space, preventing the first shock-absorbing roller 110 from rolling out of the first installation space; the third groove 420 may limit a rolling range of the second shock-absorbing roller 120 in the second mounting space, preventing the second shock-absorbing roller 120 from rolling out of the second mounting space.
In an alternative to this embodiment, it is preferable that,
the end of the third connecting plate 500 facing the second mounting space is provided with a fourth groove 510, and the fourth groove 510 is used to receive the upper portion of the second shock-absorbing roller 120.
The fourth groove 510 may also limit the rolling range of the second shock-absorbing roller 120 in the second installation space, preventing the second shock-absorbing roller 120 from rolling out of the second installation space.
In an alternative to this embodiment, it is preferable that,
the first groove 310, the second groove 410, the third groove 420 and the fourth groove 510 are all configured as arc grooves.
This is designed to allow the first shock absorbing roller 110 to be better supported in the first recess 310 and the second recess 410, and the second shock absorbing roller 120 to be better supported in the third recess 420 and the fourth recess 510, when the lead support 200 fails to support.
In addition, the circular arc groove can also allow the first damping roller 110 and the second damping roller 120 to be more quickly stabilized at the bottom of the circular arc groove under the pressing action of the gravity of the building or the supporting device.
In an alternative to this embodiment, it is preferable that,
the bi-directional roller multi-stage damping mount further comprises an inner baffle 600,
the inner barrier 600 is disposed in the first and second installation spaces and is located outside the first and second damping rollers 110 and 120.
As shown in fig. 1, a schematic view of an overall structure of a multistage damping mount with a bidirectional roller according to an embodiment of the present invention and fig. 2, a vertical cross-sectional view of the multistage damping mount with a bidirectional roller according to an embodiment of the present invention are shown:
the inner barrier 600 prevents the first and second shock-absorbing rollers 110 and 120 from being separated from the first or second installation space when being impacted by excessive seismic energy, thereby improving the reliability of the present invention.
In an alternative to this embodiment, it is preferable that,
the bidirectional roller multistage damping support also comprises a rubber protective layer,
the rubber protective layer is sleeved outside the first installation space and the second installation space and used for sealing the first installation space and the second installation space.
The rubber protective layer can specifically select common rubber sleeve, and the first installation space and the second installation space are sealed in the suit.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a multistage damping support of two-way roller bearing which characterized in that:
the lead core support comprises a first damping roller (110), a second damping roller (120), a lead core support column (200), a first connecting plate (300), a second connecting plate (400) and a third connecting plate (500);
the first connecting plate (300), the second connecting plate (400) and the third connecting plate (500) are arranged from top to bottom at intervals, a first mounting space is formed between the first connecting plate (300) and the second connecting plate (400), and a second mounting space is formed between the second connecting plate (400) and the third connecting plate (500);
a lead core support column (200) for supporting the first connecting plate and the second connecting plate and a first damping roller (110) are arranged in the first mounting space; a lead core support column (200) for supporting the second connecting plate and the third connecting plate and a second damping roller (120) are arranged in the second mounting space; when the lead support (200) fails to support, the first damping roller (110) supports the first connecting plate (300) in a rolling mode, and the second damping roller (120) supports the second connecting plate (400) in a rolling mode;
the first damping roller (110) is horizontally arranged in the first installation space, and a gap is reserved between the first damping roller and the first connecting plate; the second damping roller (120) is horizontally arranged in the second mounting space, and a gap is formed between the second damping roller and the second connecting plate; and the first shock-absorbing roller (110) and the second shock-absorbing roller (120) are perpendicular.
2. The bi-directional roller multi-stage damping mount of claim 1, wherein:
the lead core support column (200) comprises a lead core (210) and a composite laminated rubber steel plate (220) sleeved outside the lead core (210),
the composite laminated rubber steel plate (220) comprises a rubber layer (221) and a steel plate layer (222), and the rubber layer (221) and the steel plate layer (222) are arranged in a staggered mode.
3. The bi-directional roller multi-stage damping mount of claim 2, wherein:
the lead support posts (200) are arranged about a central array of the first or second mounting spaces.
4. The bi-directional roller multi-stage damping mount of claim 1, wherein:
the end face, facing the first mounting space, of the first connecting plate (300) is provided with a first groove (310);
the first groove (310) is used for installing and accommodating the upper part of the first damping roller (110).
5. The bi-directional roller multi-stage damping mount of claim 4, wherein:
the end surface of the second connecting plate (400) facing the first mounting space is provided with a second groove (410), and the end surface of the second connecting plate facing the second mounting space is provided with a third groove (420);
the second groove (410) is used for installing and accommodating the lower part of the first damping roller (110),
the third groove (420) is used for installing and accommodating the upper part of the second damping roller (120).
6. The bi-directional roller multi-stage damping mount of claim 5, wherein:
the end of the third connecting plate (500) facing the second mounting space is provided with a fourth groove (510);
the fourth groove (510) is for receiving a lower portion of the second shock-absorbing roller (120).
7. The bi-directional roller multi-stage damping mount of claim 6, wherein:
the first groove (310), the second groove (410), the third groove (420) and the fourth groove (510) are all arc grooves.
8. The bi-directional roller multi-stage damping mount of claim 1, wherein:
the bidirectional roller multistage damping support also comprises an inner baffle (600),
the inner baffle (600) is disposed in the first installation space and the second installation space and is located outside the first damping roller (110) and the second damping roller (120).
9. The bi-directional roller multi-stage damping mount of claim 1, wherein:
the bidirectional roller multistage damping support also comprises a rubber protective layer,
the rubber protective layer is sleeved outside the first installation space and the second installation space and used for sealing the first installation space and the second installation space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810840203.XA CN108867915B (en) | 2018-07-26 | 2018-07-26 | Bidirectional roller multistage damping support |
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| CN201810840203.XA CN108867915B (en) | 2018-07-26 | 2018-07-26 | Bidirectional roller multistage damping support |
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| CN108867915B true CN108867915B (en) | 2020-03-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109736467B (en) * | 2019-02-28 | 2020-07-17 | 长安大学 | Bidirectional damping hinge device and damping method |
| CN111576636A (en) * | 2020-06-02 | 2020-08-25 | 杭州曼京科技有限公司 | A isolation bearing device for green building engineering |
| CN112302186A (en) * | 2020-09-16 | 2021-02-02 | 北京工业大学 | Circular arc groove roller friction support for support column of underground subway station |
| CN112302187B (en) * | 2020-09-16 | 2022-09-30 | 北京工业大学 | Rolling friction support for underground subway station support column |
| CN112376976A (en) * | 2020-11-30 | 2021-02-19 | 薛人芳 | Shock insulation rubber column for high-rise building |
| CN112376975A (en) * | 2020-11-30 | 2021-02-19 | 薛人芳 | Shock insulation system of high-rise building based on rubber shock absorption |
| CN112900250B (en) * | 2021-01-18 | 2022-02-18 | 招商局重庆交通科研设计院有限公司 | Bridge shock insulation support and mounting method thereof |
| CN116537622B (en) * | 2023-05-26 | 2024-01-26 | 中铁四局集团有限公司 | Large-span space steel structure support |
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| US20050150179A1 (en) * | 2004-01-12 | 2005-07-14 | Valentin Shustov | Earthquake Protector |
| CN201372489Y (en) * | 2009-03-11 | 2009-12-30 | 华中科技大学 | Rubber bearing with lead core |
| CN203320721U (en) * | 2013-05-23 | 2013-12-04 | 中南大学 | Three-stage energy dissipation shock insulation support composed of steel board rubber, soft steel and lead |
| CN204570984U (en) * | 2015-04-13 | 2015-08-19 | 山东科技大学 | A kind of composite shock-absorbing device |
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