CN209260949U - A kind of compound multistage re-centring damper - Google Patents
A kind of compound multistage re-centring damper Download PDFInfo
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- CN209260949U CN209260949U CN201821871204.2U CN201821871204U CN209260949U CN 209260949 U CN209260949 U CN 209260949U CN 201821871204 U CN201821871204 U CN 201821871204U CN 209260949 U CN209260949 U CN 209260949U
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- interlocking lever
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Abstract
The utility model relates to a kind of compound multistage re-centring dampers, belong to shock-resistant and energy-dissipating field.It mainly includes swing arm pincers, interlocking lever, hydraulic cylinder, lead core rubber support, SMA alloy silk, friction plate, limit plate, the compositions such as anti-column in the wrong, when building shakes, lead core rubber support is the first rank buffering energy-consumption structure, it is second-order energy-dissipation structure when rubbing between friction plate and swing arm pincers, it is third rank energy-dissipation structure when limit plate drives interlocking lever to promote hydraulic cylinder works, limit plate is oppressed swing arm pincers and is swung, and SMA alloy silk is wound on swing arm pincers, swing arm pincers and SMA alloy silk collectively form fourth order energy-dissipation structure, the utility model energy consumption effect is excellent, deformation is big, with good practicability.
Description
Technical field
The utility model belongs to shock-resistant and energy-dissipating field, more particularly to a kind of compound multistage re-centring damper.
Background technique
In recent years, the development of world economy brings advancing by leaps and bounds for construction industry, Super High, greatly across stadium it is contour, big,
Carefully, long flexible engineering structure is commonly used, and especially steel construction skyscraper is more and more built, these are built
It builds height to continue to increase, structural system type is increasing, and figure is increasingly diversified.But worldwide earthquake takes place frequently, Chinese river in Shangdong Province
River violent earthquake, Japanese violent earthquake, Haiti earthquake etc. all have brought tremendous economic losses and personal injury, and by global climate
Variation influences, and typhoon, hurricane quantity increased significantly, these influences of worldwide natural calamity to global Important Project are especially acute
Strong, Important Project often builds and does things creatively, and structural system is complicated, and structure is easier to occur multinomial irregular, ties due to reducing
Structure self weight is still the important indicator that structure design is pursued, and structure, which generates large area flexible layer, becomes many high-rise, Super Highs
One important feature of building.Therefore, wind resistance vibration, the damping of Super High Important Project are required to be faced with great challenge.
Add damper for Super High civil infrastructure and carry out wind resistance damping, because of the practicality, validity and economy, it has also become absolutely
The design of most of project planner is preferred, and different dampers has different Energy Dissipation Mechanisms, closes for civil infrastructure
Reason selection dashpot type, achievees the effect that wind resistance damping, is to have very important society and realistic meaning.
When being equipped with energy-consuming device in works, under the action of wind and small earthquake, these energy-consuming devices have enough
Initial stiffness, be in elastic stage, works still has enough lateral rigidities to meet requirement.When in appearance by force
When shake, with the increase of structure lateral deformation, energy-consuming device generates biggish damping, a large amount of seismic energies for consuming input structure
Amount avoids main structure from apparent inelastic state occur.And seismic response (displacement, speed, the acceleration of rapid attenuating structure
Degree and structural internal force), to protect main structure and component in macroseism from destroying, it is ensured that the safety of main structure.
It is a kind of passive control system using damper, is to be tied by increasing structural damping, dissipation vibrational energy to reduce
Structure response.Due to the features such as its device is simple, material economy, good damping result, has in practical structures control and widely answer
Use prospect.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of compound multistage re-centring damper, mainly
In order to develop, a kind of structure is simple, can quickly be installed, short construction period, maintenance convenient for safeguarding, energy consumption effect is excellent, becomes
The big compound multistage re-centring damper damper of shape.
The technical solution adopted in the utility model is as follows:
A kind of compound multistage re-centring damper, comprising: upper left swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right
Swing arm pincers, upper left interlocking lever, lower-left interlocking lever, bottom right interlocking lever, upper right interlocking lever, hydraulic cylinder one, hydraulic cylinder two, lead-rubber
Support, friction plate, limit plate, connecting rod, is prevented bending bar one, anti-bar two, fixed link, bearing one, bearing two, axis in the wrong SMA alloy silk
It holds three, prevent bending hole, friction hole；
The outer wall of upper left swing arm pincers, one end of lower-left interlocking lever are arranged in by bearing one for one end of the upper left interlocking lever
The inner wall of lower-left swing arm pincers is set by bearing one, and the other end of upper left interlocking lever passes through with the other end of lower-left interlocking lever
Bearing two is connect with one end of connecting rod；The other end of connecting rod is connect by bearing three with one end of hydraulic cylinder one, hydraulic cylinder
One other end and anti-bar one in the wrong weld；On the upper and lower ends of anti-bar one in the wrong are each passed through upper left swing arm pincers, lower-left swing arm clamps
Anti- hole in the wrong and the lead core rubber support that upper left swing arm pincers top, lower-left swing arm pincers lower part is arranged in, finally protrude into building structure
In part；
The outer wall of bottom right swing arm pincers is arranged in by bearing one for one end of bottom right interlocking lever, and one end of upper right interlocking lever passes through
The inner wall of upper right swing arm pincers is arranged in bearing one, and the other end of bottom right interlocking lever and the other end of upper right interlocking lever pass through bearing
Two connect with one end of connecting rod；The other end of connecting rod is connect by bearing three with one end of hydraulic cylinder two, hydraulic cylinder two
The other end and anti-bar two in the wrong weld；It is anti-in the wrong on the upper and lower ends of anti-bar two in the wrong are each passed through bottom right swing arm pincers, upper right swing arm clamps
Hole and the lead core rubber support that upper right swing arm pincers top, bottom right swing arm pincers lower part is arranged in, are finally protruded into building element；
Upper left swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right swing arm, which clamp, is welded with fixed link, and upper and lower two
SMA alloy silk is wound between fixed link, is wound between SMA alloy silk and fixed link using word winding method, and SMA alloy silk is wound
When apply prestressing force winding；The one end that upper left swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right swing arm clamp, which is equipped with, to rub
Hole is wiped, friction hole is used for across friction plate, and the hole inner wall that rubs does sandblasting with friction plate surface or dabbing is handled, friction
Plate is welded on limit plate, and limit plate is welded on building element.
Further, the upper left swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right swing arm pincers are several fonts of class, left
Upper swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right swing arm pincers arrange one in single damper, upper left interlocking lever, a left side
Lower interlocking lever, bottom right interlocking lever, upper right interlocking lever arrange one in single damper.
Further, the upper left swing arm pincers, lower-left swing arm pincers, bottom right swing arm pincers, upper right swing arm pincers and building element it
Between be provided with lead core rubber support, lead core rubber support is thin-walled fold hollow shell structure.
Further, the hydraulic cylinder one and hydraulic cylinder two are all made of horizontally disposed.
Further, the length of the anti-hole in the wrong is 1st/1/8th ~ ten of anti-one length of bar in the wrong, prevents hole in the wrong
Width be 1.2 ~ 1.5 times of anti-in the wrong one width of bar；The length of the friction hole is 1.5 ~ 2 times of friction plate length, friction
Aperture width and friction plate equivalent width.
Further, the spacing for the anti-hole lower edge in the wrong that one central point of hydraulic cylinder to upper left swing arm clamps is lead for retractable pencil
The spacing of 1.2 ~ 1.5 times of rubber support height, the anti-hole upper edge in the wrong that one central point of hydraulic cylinder to lower-left swing arm clamps is lead
1.2 ~ 1.5 times of core rubber support height；Between the anti-hole lower edge in the wrong that two central point of hydraulic cylinder to upper right swing arm clamps
Away from the anti-hole upper edge in the wrong clamped for 1.2 ~ 1.5 times for lead core rubber support height, two central point of hydraulic cylinder to bottom right swing arm
Spacing be 1.2 ~ 1.5 times of lead core rubber support height, spacing is friction board width between upper left swing arm pincers, upper right swing arm pincers
1.1 ~ 1.3 times, spacing be friction 1.1 ~ 1.3 times of board width between lower-left swing arm pincers, bottom right swing arm pincers.
Further, described to prevent that bending bar one, preventing that bar two in the wrong protrudes into the length of building element is lead core rubber support height
1.2 ~ 1.5 times.
Further, the friction plate surface is with protrusion friction ripple, and outer surface dabbing or does blasting treatment, uses
In increase coefficient of friction.
Further, the limit plate is welded on building element, and swing arm clamps limit plate bottom surface and the lead-rubber on top
Bottom surface of support saddle flushes, and the limit plate top surface of swing arm pincers lower part is flushed with lead core rubber support top surface.
Further, the limit plate height is friction plate height 3/4ths to half.
The utility model has the beneficial effects that the utility model structure is simple, can quickly be installed, short construction period,
Maintenance convenient for safeguarding, energy consumption effect is excellent, deformation is big, and with good practicability, product has convex compared to existing technologies
Substantive distinguishing features and marked improvement out can effectively reduce the damage shaken to building.
Detailed description of the invention
Fig. 1 is a kind of compound multistage re-centring damper structural schematic diagram of the utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the three-dimensional structure diagram of the utility model swing arm pincers and interlocking lever.
In figure: 1-1 is upper left swing arm pincers；1-2 is lower-left swing arm pincers；1-3 is bottom right swing arm pincers；1-4 is upper right swing arm pincers；
2-1 is upper left interlocking lever；2-2 is lower-left interlocking lever；2-3 is bottom right interlocking lever；2-4 is upper right interlocking lever；3-1 is hydraulic cylinder
One；3-2 is hydraulic cylinder two；4 be lead core rubber support；5 be SMA alloy silk；6 be friction plate；7 be limit plate；8 be connecting rod；
9-1 is anti-bar one in the wrong；9-2 is anti-bar two in the wrong；10 be fixed link；11-1 is bearing one；11-2 is bearing two；11-3 is bearing
Three；12 be anti-hole in the wrong；13 be friction hole.
Specific embodiment
In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments
It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model.
Embodiment: as shown in Figure 1-Figure 3, a kind of compound multistage re-centring damper of the utility model specifically includes that
Swing arm pincers, interlocking lever, one 3-1 of hydraulic cylinder, two 3-2 of hydraulic cylinder, lead core rubber support 4, SMA alloy silk 5, friction plate 6, limit plate
7, connecting rod 8, anti-in the wrong one 9-1 of bar, anti-two 9-2 of bar in the wrong, fixed link 10, one 11-1 of bearing, two 11-2 of bearing, three 11-3 of bearing,
Anti- hole 12 in the wrong and friction hole 13；
Swing arm pincers be several fonts of class, swing arm pincers according to be counterclockwise divided into upper left swing arm pincers 1-1, lower-left swing arm pincers 1-2,
Bottom right swing arm clamps 1-3, upper right swing arm clamps 1-4, and upper left swing arm clamps 1-1, lower-left swing arm pincers 1-2, bottom right swing arm pincers 1-3, upper right pendulum
Arm pincers 1-4, which is used, to be arranged symmetrically；Interlocking lever is according to being counterclockwise divided into upper left interlocking lever 2-1, lower-left interlocking lever 2-2, bottom right
Interlocking lever 2-3, upper right interlocking lever 2-4, upper left interlocking lever 2-1 and upper left swing arm pincers 1-1 outer wall flush, lower-left interlocking lever 2-2 with
Swing arm pincers 1-2 inner wall in lower-left flushes, and bottom right interlocking lever 2-3 is flushed with bottom right swing arm pincers 1-3 outer wall, upper right interlocking lever 2-4 and the right side
Upper swing arm pincers 1-4 inner wall flushes；Upper left swing arm clamp 1-1, lower-left swing arm pincers 1-2, bottom right swing arm pincers 1-3, upper right swing arm pincers 1-4 with
Upper left interlocking lever 2-1, lower-left interlocking lever 2-2, bottom right interlocking lever 2-3, connected using one 11-1 of bearing between upper right interlocking lever 2-4
It connects；The outer wall that bottom right swing arm clamps 1-3 is arranged in by one 11-1 of bearing for one end of bottom right interlocking lever 2-3, upper right interlocking lever 2-4's
The inner wall that upper right swing arm clamps 1-4, the other end and upper right interlocking lever of bottom right interlocking lever 2-3 are arranged in by one 11-1 of bearing for one end
The other end of 2-4 passes through two 11-2 of bearing and connect with one end of connecting rod 8；The other end of connecting rod 8 passes through three 11-3 of bearing
It is connect with one end of two 3-2 of hydraulic cylinder, the other end of two 3-2 of hydraulic cylinder and anti-two 9-2 of bar welding in the wrong；Anti- two 9-2's of bar in the wrong is upper
Lower both ends, which are each passed through on bottom right swing arm pincers 1-3, upper right swing arm pincers 1-4, prevents that hole 12 in the wrong and setting clamp 1- in upper right swing arm
The lead core rubber support 4 on 4 tops, the bottom right swing arm pincers lower part 1-3, is finally protruded into building element；One 3-1 of hydraulic cylinder, hydraulic cylinder
Two 3-2 are all made of horizontally disposed, and one bottom 3-1 of hydraulic cylinder is welded in anti-in the wrong one 9-1 of bar, and two bottom 3-2 of hydraulic cylinder is welded in anti-
Two 9-2 of bar is bent, upper left swing arm pincers 1-1, lower-left swing arm clamp 1-2, bottom right swing arm clamps 1-3, it is solid to be welded on upper right swing arm pincers 1-4
Fixed pole 10 winds SMA alloy silk 5 between upper and lower two fixed links 10, is wound between SMA alloy silk 5 and fixed link 10 using 8 words
Method winding, and apply prestressing force winding when the winding of SMA alloy silk 5, upper left swing arm clamps 1-1, lower-left swing arm clamps 1-2, bottom right swing arm
It clamps and four lead core rubber supports 4 is set between 1-3, upper right swing arm pincers 1-4 and building element, lead core rubber support 4 is thin-walled pleat
Wrinkle hollow shell structure；Limit plate 7 is welded in building element, and 7 bottom surface of limit plate is flushed with 4 bottom surface of lead core rubber support, friction
Plate 6 is welded in 7 bottom of limit plate.
Upper left swing arm pincers 1-1, lower-left swing arm pincers 1-2, bottom right swing arm pincers 1-3, upper right swing arm clamp and are preset with anti-bend on 1-4
Hole 12 and friction hole 13, the length of anti-hole 12 in the wrong are 1st/1/8th ~ ten of anti-9 length of bar in the wrong, prevent hole in the wrong
12 width is 1.2 ~ 1.5 times of anti-9 width of bar in the wrong；The length of friction hole 13 is 1.5 ~ 2 times of 6 length of friction plate, friction
13 width of hole and 6 equivalent width of friction plate.
Between upper left swing arm clamps between 1-1 and lower-left swing arm pincers 1-2 and bottom right swing arm pincers 1-3 and upper right swing arm pincers 1-4
Away from 1.2 ~ 1.5 times for 4 height of lead core rubber support, upper left swing arm clamps 1-1 and upper right swing arm pincers 1-4 and lower-left swing arm clamps 1-
Spacing between 2 and bottom right swing arm pincers 1-3 is 1.1 ~ 1.3 times of 6 width of friction plate.
Anti- bar 9 in the wrong passes through lead core rubber support 4 and anti-9 both ends of bar in the wrong are protruded into building element, protrudes into building element
Length is 1.2 ~ 1.5 times of 4 height of lead core rubber support.
Blasting treatment outer surface dabbing or is done with protrusion friction ripple in 6 surface of friction plate, increases coefficient of friction.
7 height of limit plate is 6 height of friction plate 3/4ths to half.
Claims (10)
1. a kind of compound multistage re-centring damper, comprising: upper left swing arm clamps (1-1), lower-left swing arm pincers (1-2), bottom right pendulum
Arm clamps (1-3), upper right swing arm pincers (1-4), upper left interlocking lever (2-1), lower-left interlocking lever (2-2), bottom right interlocking lever (2-3), the right side
Upper interlocking lever (2-4), hydraulic cylinder one (3-1), hydraulic cylinder two (3-2), lead core rubber support (4), SMA alloy silk (5), friction plate
(6), limit plate (7), connecting rod (8), anti-in the wrong bar one (9-1), anti-bar two (9-2) in the wrong, fixed link (10), bearing one (11-1),
Bearing two (11-2), bearing three (11-3), anti-hole (12) in the wrong, friction hole (13)；It is characterized by:
The outer wall in upper left swing arm pincers (1-1), lower-left are arranged by bearing one (11-1) for one end of the upper left interlocking lever (2-1)
The inner wall in lower-left swing arm pincers (1-2), upper left interlocking lever (2-1) are arranged by bearing one (11-1) for one end of interlocking lever (2-2)
The other end pass through bearing two (11-2) with the other end of lower-left interlocking lever (2-2) and connect with one end of connecting rod (8)；Connection
The other end of bar (8) is connect by bearing three (11-3) with one end of hydraulic cylinder one (3-1), the other end of hydraulic cylinder one (3-1)
It is welded with anti-bar one (9-1) in the wrong；The upper and lower ends of anti-bar one (9-1) in the wrong are each passed through upper left swing arm pincers (1-1), lower-left swing arm pincers
Anti- hole (12) in the wrong and setting on (1-2) clamp the lead for retractable pencil on the top (1-1), lower-left swing arm pincers lower part (1-2) in upper left swing arm
Rubber support (4), is finally protruded into building element；
The outer wall in bottom right swing arm pincers (1-3) is arranged by bearing one (11-1) for one end of bottom right interlocking lever (2-3), and upper right interlocks
One end of bar (2-4) by bearing one (11-1) be arranged upper right swing arm pincers (1-4) inner wall, bottom right interlocking lever (2-3) it is another
One end passes through bearing two (11-2) with the other end of upper right interlocking lever (2-4) and connect with one end of connecting rod (8)；Connecting rod
(8) the other end is connect by bearing three (11-3) with one end of hydraulic cylinder two (3-2), the other end of hydraulic cylinder two (3-2) and
Anti- bar two (9-2) welding in the wrong；The upper and lower ends of anti-bar two (9-2) in the wrong are each passed through bottom right swing arm pincers (1-3), upper right swing arm pincers
Anti- hole (12) in the wrong and setting on (1-4) clamp the lead for retractable pencil on the top (1-4), bottom right swing arm pincers lower part (1-3) in upper right swing arm
Rubber support (4), is finally protruded into building element；
Upper left swing arm pincers (1-1), lower-left swing arm pincers (1-2), bottom right swing arm pincers (1-3), upper right swing arm clamp to be welded on (1-4)
Fixed link (10) winds SMA alloy silk (5) between upper and lower two fixed links (10), SMA alloy silk (5) and fixed link (10) it
Between using 8 word winding methods wind, and SMA alloy silk (5) wind when apply prestressing force winding；Upper left swing arm clamps (1-1), lower-left pendulum
Arm pincers (1-2), bottom right swing arm clamp (1-3), the one end of upper right swing arm pincers (1-4) is equipped with friction hole (13), and rub hole
(13) for across friction plate (6), hole (13) inner wall that rubs does sandblasting with friction plate (6) surface or dabbing is handled, friction
Plate (6) is welded on limit plate (7), and limit plate (7) is welded on building element.
2. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the upper left swing arm pincers
(1-1), lower-left swing arm clamp (1-2), bottom right swing arm clamps (1-3), upper right swing arm pincers (1-4) are several fonts of class, and upper left swing arm clamps (1-
1), lower-left swing arm pincers (1-2), bottom right swing arm pincers (1-3), upper right swing arm pincers (1-4) arrange one in single damper, upper left
Interlocking lever (2-1), lower-left interlocking lever (2-2), bottom right interlocking lever (2-3), upper right interlocking lever (2-4) are arranged in single damper
One.
3. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the upper left swing arm pincers
Lead is provided between (1-1), lower-left swing arm pincers (1-2), bottom right swing arm pincers (1-3), upper right swing arm pincers (1-4) and building element
Core rubber support (4), lead core rubber support (4) are thin-walled fold hollow shell structure.
4. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the hydraulic cylinder one
(3-1) and hydraulic cylinder two (3-2) are all made of horizontally disposed.
5. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the anti-hole in the wrong
(12) length is 1st/1/8th ~ ten of anti-bar one (9-1) length in the wrong, prevents that the width of hole (12) in the wrong is anti-bar one in the wrong
1.2 ~ 1.5 times of (9-1) width；The length of friction hole (13) is 1.5 ~ 2 times of friction plate (6) length, and rub hole
(13) width and friction plate (6) equivalent width.
6. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the hydraulic cylinder one
The anti-spacing for bending hole (12) lower edge of (3-1) central point to upper left swing arm pincers (1-1) is lead core rubber support (4) height
1.2 ~ 1.5 times, the spacing of anti-in the wrong hole (12) top edge of (3-1) central point of hydraulic cylinder one to lower-left swing arm pincers (1-2) is
1.2 ~ 1.5 times of lead core rubber support (4) height；Two (3-2) central point of hydraulic cylinder to the anti-of upper right swing arm pincers (1-4) bends
The spacing of hole (12) lower edge is 1.2 ~ 1.5 times of lead core rubber support (4) height, and hydraulic cylinder two (3-2) central point is extremely
Bottom right swing arm clamps 1.2 ~ 1.5 times of the spacing of anti-hole (12) top edge in the wrong of (1-3) for lead core rubber support (4) height, a left side
Upper swing arm clamps 1.1 ~ 1.3 times that spacing between (1-1), upper right swing arm pincers (1-4) is friction plate (6) width, and lower-left swing arm clamps (1-
2), bottom right swing arm clamps 1.1 ~ 1.3 times that spacing between (1-3) is friction plate (6) width.
7. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the anti-bar one in the wrong
The length that (9-1), anti-bar two (9-2) in the wrong protrude into building element is 1.2 ~ 1.5 times of lead core rubber support (4) height.
8. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the friction plate (6)
Blasting treatment outer surface dabbing or is done with protrusion friction ripple in surface, for increasing coefficient of friction.
9. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the limit plate (7)
It is welded on building element, limit plate (7) bottom surface on swing arm pincers (1) top is flushed with lead core rubber support (4) bottom surface, swing arm pincers
(1) limit plate (7) top surface of lower part is flushed with lead core rubber support (4) top surface.
10. the compound multistage re-centring damper of one kind according to claim 1, it is characterised in that: the limit plate (7)
Height is friction plate (6) height 3/4ths to half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871204.2U CN209260949U (en) | 2018-11-14 | 2018-11-14 | A kind of compound multistage re-centring damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871204.2U CN209260949U (en) | 2018-11-14 | 2018-11-14 | A kind of compound multistage re-centring damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209260949U true CN209260949U (en) | 2019-08-16 |
Family
ID=67554876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821871204.2U Expired - Fee Related CN209260949U (en) | 2018-11-14 | 2018-11-14 | A kind of compound multistage re-centring damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN209260949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281418A (en) * | 2018-11-14 | 2019-01-29 | 辽宁工业大学 | A kind of compound multistage re-centring damper |
| CN111877587A (en) * | 2020-08-08 | 2020-11-03 | 河南盛鼎建设集团有限公司 | Small building safety device that moves away to avoid possible earthquakes |
-
2018
- 2018-11-14 CN CN201821871204.2U patent/CN209260949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281418A (en) * | 2018-11-14 | 2019-01-29 | 辽宁工业大学 | A kind of compound multistage re-centring damper |
| CN111877587A (en) * | 2020-08-08 | 2020-11-03 | 河南盛鼎建设集团有限公司 | Small building safety device that moves away to avoid possible earthquakes |
| CN111877587B (en) * | 2020-08-08 | 2021-07-16 | 河南盛鼎建设集团有限公司 | Small building safety device that moves away to avoid possible earthquakes |
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