CN207812264U - A kind of Near-source earthquake active type three-dimensional damping device - Google Patents
A kind of Near-source earthquake active type three-dimensional damping device Download PDFInfo
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- CN207812264U CN207812264U CN201721734874.5U CN201721734874U CN207812264U CN 207812264 U CN207812264 U CN 207812264U CN 201721734874 U CN201721734874 U CN 201721734874U CN 207812264 U CN207812264 U CN 207812264U
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Abstract
A kind of Near-source earthquake active type three-dimensional damping device, including tension sleeve and damping tenon bar, the bottom of tension sleeve is tension bottom surface, it is equipped with the tension through-hole passed through for damping tenon bar at the center of tension bottom surface, damping tenon bar by top construction section, the surrender section at middle part and the fixed section composition of lower part, the outer surface of construction section is not contacted with the hole wall of tension through-hole, and horizontal displacement gap is equipped between the hole wall of tension through-hole, the damping shock absorption block being arranged on tension bottom surface and revolute pair are arranged on construction section in the barrel chamber of tension sleeve, the outer surface of revolute pair is not contacted with the barrel of tension sleeve, and horizontal displacement gap is equipped between tension sleeve, by in damping tenon bar top design tensile structure and damping shock absorption parts, it realizes vertically simultaneously to have with level and subtracts shock insulation function.
Description
Technical field
The utility model is related to bridge and building structure fields, are related to a kind of Near-source earthquake active type three-dimensional damping dress
It sets.
Background technology
In recent years, with the development of Bridge Earthquake Resistance Design technology, continuous intensification of the mankind to the understanding of earthquake, all kinds of buildings
Including bridge, all to anti-seismic structure, more stringent requirements are proposed, and more and more bridges all use seismic isolation design side in design
Case.It is that installation subtracts shock insulation product in the junction of beam body and pier that bridge, which subtracts seismic isolation technology, by changing structural cycle and damping
To reduce the earthquake response of structure.And in some high intensity Zones to subtracting the requirement higher of shock insulation product, near field occurs
Subtract shock insulation product when shake in addition to meeting level two to other than subtracting isolation property, it is necessary to meet the requirement for vertically subtracting shock insulation.
Cushioning product common at present has lead core rubber support, high-damp rubber support, friction pendulum support, metal non-linear
The products such as energy dissipating support and damping tenon.Friction pendulum support generates horizontal displacement when an earthquake occurs, is produced by bearing internal friction
Raw energy consumption；Lead core rubber support, high-damp rubber support belong to viscoplasticity shock mount, pass through viscoplasticity when an earthquake occurs
Sticky shearing achieve the purpose that absorption and dissipation energy；Damping tenon is the yield strain for rationally utilizing material, is become by structure
Shape achievees the purpose that dissipation energy.The above-mentioned shock insulation product that subtracts belongs to level two to shock insulation product is subtracted, and cannot meet and vertically subtract
The requirement of shock insulation.
And some tensile devices, the anti-fall girder apparatus etc. applied on bridge, vertically have the function of tension, but it belongs to hard
Anti- formula structure does not have in vertical and horizontal direction and subtracts shock insulation function.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of Near-source earthquake active type three-dimensional damping device, lead to
It crosses in damping tenon bar top design tensile structure and damping shock absorption parts, realizes that vertical and level has simultaneously and subtract shock insulation work(
Energy.
To realize the above-mentioned technical purpose, used technical solution is：A kind of Near-source earthquake active type three-dimensional damping dress
It sets, including tension sleeve and damping tenon bar, the bottom of tension sleeve is tension bottom surface, is equipped at the center of tension bottom surface for subtracting
The tension through-hole that shake tenon bar passes through, damping tenon bar are made of the fixed section of the construction section on top, the surrender section at middle part and lower part, are pacified
Section is filled out of, tension through-hole penetrates tension sleeve barrel chamber, the outer surface of construction section is not contacted with the hole wall of tension through-hole, and with
It is equipped with horizontal displacement gap between the hole wall of tension through-hole, setting is arranged on the construction section in the barrel chamber of tension sleeve anti-
Damping shock absorption block and the revolute pair to undercut on face, damping shock absorption block is pressed on the top surface of revolute pair or the setting of damping shock absorption block
Between the upper surface and revolute pair of tension bottom surface, the outer surface of revolute pair is not contacted with the barrel of tension sleeve, and and tension
Horizontal displacement gap is equipped between sleeve, the revolute pair is by the first rotating member for being fixed on construction section and is set in
Construction section and the second rotating member composition that can be rotated together with tension sleeve, the lower surface of the first rotating member and the second rotating member
Upper surface be that can relatively rotate and the male and fomale(M＆F) for the setting that cooperates.
Further, the fixed section is fixedly connected with lower anchor plate, and fixed section is structure as a whole with lower anchor plate, or,
Fixed section, which is detachably fixed, to be arranged on lower anchor plate.
Further, the damping tenon bar is made of extraordinary mild steel, 200~250MPa of yield strength, and maximum is bent
Take plastic strain 1.5%~3%.
Further, the construction section is cylinder.
Further, the outer surface of the construction section offers external screw thread, and the center of the first rotating member is equipped with and construction section
The internal thread that matches of external screw thread, the central through hole of the second rotating member is not in contact with the outer surface of construction section.
Further, the lower external face of the construction section is smooth cylinder, and the center of the first rotating member is equipped with and installation
The through-hole that the outer diameter of section matches, the central through hole of the second rotating member are not in contact with the outer surface of construction section, in the first rotation
The top of part is equipped with the locking nut that the first rotating member is fixedly mounted on to construction section.
Further, the surface of the surrender section uses globoidal structure.
Further, the stack shell of the tension sleeve is structure as a whole with tension bottom surface.
Further, the stack shell of the tension sleeve is fixedly connected with tension underrun bolt.
Further, the damping shock absorption block is made of nonmetallic materials.
Further, the nonmetallic materials are rubber or polyurethane.
The utility model can reach following advantageous effect using above-mentioned technical proposal：
1）The present invention proposes a kind of Near-source earthquake active type three-dimensional damping device, the outer surface of the construction section of damping tenon bar
It is not contacted with the hole wall of tension through-hole, and is equipped with horizontal displacement gap between the hole wall of tension through-hole, under normal condition, beam body
By external temperature or load action, when beam body length changes, beam body drives tension sleeve logical by the tension of sleeve bottom
Hole construction section at the top of damping tenon bar generates slide displacement, reduces what beam body movement generated the firmly anti-effect of damping tenon bar
Deformation, extends the usage time of product；Tension sleeve, which drives, simultaneously rotates by-produced rotation, to ensure that beam body normal condition glides
Dynamic and rotation requirement；
2）It when Near-source earthquake occurs, is acted on by Vertical Seismic Load, tension sleeve drives damping shock absorption block, revolute pair to realize
Vertical damping and tensile function；It is influenced by horizontal seismic force, seismic force is passed horizontal seismic force by revolute pair by tension sleeve
Damping tenon bar is passed, yield deformation occurs for damping tenon bar, realizes horizontal direction damping energy consumption function during exercise.
By the utility model, it can realize vertical tension shock-absorbing function and meet the work(of horizontal bidirectional damping energy consumption
Can, solve the problems, such as that routine subtracts shock insulation product and do not have damping and tensile function vertically, while solving vertical tension dress at present
It sets or anti-fall girder apparatus does not have the problem of function of vertical and horizontal direction damping energy consumption, be that one kind being suitable for high intensity Zone
The three-dimensional seismic isolation device of Near-source earthquake.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiments of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiments of the present invention 2；
In figure：1, lower anchor plate, 2, damping tenon bar, 21, construction section, 22, surrender section, 23, fixed section, 3, tension sleeve,
31, tension bottom surface, 32, tension through-hole, 4, damping shock absorption block, 5, revolute pair, the 51, first rotating member, the 52, second rotating member, 6,
Washer, 7, locking nut, 8, upper embedded board, 9, upper anchor bolt.
Specific implementation mode
The utility model patent is illustrated with reference to the drawings and specific embodiments, still, the utility model patent is not
It is confined to the present embodiment.
As shown in Figure 1, 2, a kind of Near-source earthquake active type three-dimensional damping device, including tension sleeve 3 and damping tenon bar
2, the bottom of tension sleeve 3 is tension bottom surface 31, and being equipped with the tension passed through for damping tenon bar 2 at the center of tension bottom surface 31 leads to
Hole 32, damping tenon bar 2 are made of the fixed section 23 of the construction section 21 on top, the surrender section 22 at middle part and lower part, and construction section 21 is used
It is fixedly mounted in the top of damping tenon bar 2, there is surrender section yield deformation effect, fixed section 23 to be used for the lower part of damping tenon bar 2
It is fixedly mounted, construction section 21 is out of, tension through-hole 32 penetrates tension sleeve 3 barrel chamber, outer surface and the tension through-hole of construction section 21
32 hole wall does not contact, and horizontal displacement gap is equipped between the hole wall of tension through-hole 32, in the barrel chamber of tension sleeve 3
The damping shock absorption block 4 being arranged on tension bottom surface 31 and revolute pair 5 are arranged on construction section 21, revolute pair 5 is fixedly mounted on peace
It filling in section 21, damping shock absorption block 4 is pressed on the top surface of revolute pair 5, and revolute pair 5 is arranged on the upper surface of tension bottom surface 31,
The top of damping shock absorption block 4 is fixed by fixing piece, and damping shock absorption block 4 can just be pressed in revolute pair 5 or damping shock absorption
Block 4 is folded between the upper surface of tension bottom surface 31 and revolute pair 5, and lower surface and the tension bottom surface 31 of damping shock absorption block 4 connect
Touch, the outer surface of upper surface and 5 lower surface of revolute pair contact revolute pair 5 is not contacted with the barrel of tension sleeve 3, and with tension set
Horizontal displacement gap is equipped between cylinder 3, the revolute pair 5 is by the first rotating member 51 for being fixed on construction section 21 and set
The second rotating member 52 for being located at construction section 21 forms, and the upper surface of the lower surface of the first rotating member 51 and the second rotating member 52 is can
It relatively rotates and the male and fomale(M＆F) for the setting that cooperates.
The top of tension sleeve 3 is equipped with upper embedded board 8, is connect with the upper embedded board 8 of beam body bottom by upper anchor bolt 9.
Using casting or steel plate machine-shaping, preferably casting.The stack shell of tension sleeve 3 is integrated knot with tension bottom surface 31
Structure, that is, be integrally formed or the stack shell of tension sleeve 3 is bolted to connection with tension bottom surface 31, can be by dismantling tension bottom
Two parts are replaced in face.
Tension through-hole 32 can be circle, oblong, rectangular, and need to only ensure can be horizontal between the outer surface of construction section 21
The horizontal displacement gap of displacement, horizontal displacement include lateral displacement and length travel, and 32 size of tension through-hole is having beam body just
Normal displacement is determined, to meet the movable requirement of beam body normal displacement.
Revolute pair 5 is made of concave spherical surface and convex spherical two parts；The lower surface of first rotating member uses convex spherical, then and the
The upper surface of two rotating members uses concave spherical surface using the lower surface of concave spherical surface or the first rotating member, then the upper table of the second rotating member
Face uses convex spherical, and revolute pair 5 can be with the rotation axis bearing member of selection standard, or using machining mode self-control, energy is second turn real
Moving part is rotated with tension sleeve relative to the first rotating member.
Horizontal displacement gap between revolute pair 5 and tension sleeve 3 should meet revolute pair 5 relative to 3 inner wall of tension sleeve
Between displacement or vertically and horizontally moveable displacement with transversely movable displacement or longitudinal movement, 5 outer surface of revolute pair
Select round, rectangle, rectangular, round, preferably rectangle can be selected in the barrel chamber of tension sleeve 3, and there is certain guiding to pass
The size of force effect, horizontal displacement is related to the size of tension through-hole 32.
Fixed section 23 is fixedly connected with lower anchor plate 1, and fixed section 23 is structure as a whole with lower anchor plate 1, or, fixed section 23
It is detachably fixed and is arranged on lower anchor plate 1, fixed section 23 is equipped with the outer spiral shell to match with the threaded hole on lower anchor plate 1
Line, the split type connection between fixed section 23 and lower anchor plate 1 are not limited to be threadedly coupled, or other disassemblings
Seperated type of attachment has threaded hole, surrounding to be evenly distributed with four through-holes among lower anchor plate 1, and four through-holes pass through lower anchor bolt and pier
Pre-embedded steel slab connects.
Damping tenon bar 2 is made of extraordinary mild steel, and 200~250MPa of yield strength, maximum surrender plastic strain 1.5%~
3%。
Two kinds of forms that revolute pair 5 is fixedly mounted on construction section 21 are：
A, construction section is cylinder, and the lower external face of construction section 21 is smooth cylinder, and the center of the first rotating member 51 is set
There are the through-hole that the outer diameter with construction section 21 matches, the central through hole of the second rotating member 52 not to connect with the outer surface of construction section 21
It touches, the locking nut 7 that the first rotating member 51 is fixedly mounted on to construction section 21, locking screw is equipped in the top of the first rotating member 51
Mother 7 is pressed in 51 top of the first rotating member, by pushing fixed form, the first rotating member 51, second is turned part 52, damping subtracts
Shake block 4 is pressed in the upper surface of tension bottom surface 31, or by pushing fixed form, by damping shock absorption block 4, the first rotating member 51,
Second swivel part 52 is pressed in the upper surface of tension bottom surface 31 successively.
B, construction section is cylinder, and the outer surface of construction section 21 offers external screw thread, and the center of the first rotating member 51 is equipped with
The internal thread to match with the external screw thread of construction section 21, the first rotating member 51 are fixedly mounted on construction section 21 by helicitic texture
On, and vertical spacing is carried out to the second rotating member 52, using ball faced hexagonal nut form, replace fastening nut 7；And the of lower section
The central through hole of two rotating members 52 is not in contact with the outer surface of construction section 21, can be rotated with tension sleeve.
The surface for surrendering section 22 uses globoidal structure or plane of bending structure, meets cambered surface equation or compound more power curve sides
Journey meets corresponding yield deformation effect, and the damping to resist horizontal direction is consumed energy.
Damping shock absorption block 4 is made of the nonmetallic materials with damping such as polyurethane material, rubber, wherein it is preferred that poly-
Urethane material, to ensure the damping capacity of vertical snubber block.
4 shape of damping shock absorption block can be it is rectangular or circular, the selection of shape can according to the size of damping shock absorption block and
The barrel chamber of tension sleeve 3 determines that preferably rectangular, the gap between damping shock absorption block 4 and tension sleeve 3 should be greater than horizontal displacement
Gap；The centre of damping shock absorption block 4 is provided with circular hole or square hole, preferably circular hole, should ensure that the spacing between construction section 21,
It prevents from wearing.
Embodiment 1
As shown in Figure 1, a kind of Near-source earthquake with active type three-dimensional damping device by lower anchor plate 1, damping tenon bar 2, tension
The parts such as sleeve 3, damping shock absorption block 4, revolute pair 5, washer 6, locking nut 7, upper embedded board 8, upper anchor bolt 9 are constituted.Three-dimensional
When damping device assembles, lower anchor plate 1 is used with damping tenon bar 2 and is threadedly coupled；Tension sleeve 3, damping shock absorption block 4 and revolute pair
5 are directly coordinated by tension through-hole 32 and damping tenon bar 2, and 32 hole size of tension through-hole of wherein tension bottom surface is meeting beam body just
Normal displacement request；Coordinate fixed tension sleeve 3, damping shock absorption with 2 screw top of damping tenon bar using washer 6 and locking nut 7
Block 4 and revolute pair 5.When three-dimensional damping device is installed, lower anchor plate is connect with beam pier embedded board, and top passes through upper embedded board 8
And upper anchor bolt is connect with beam body bottom.
Beam body generates movement under normal circumstances, and the hole that beam body drives tension sleeve to make its bottom surrounds damping tenon bar top
Portion cylinder position moves, and meets the requirement of beam body normal displacement.When deflection deformation occurs for beam body, beam bottom drives tension set
Cylinder is by rotating auxiliary structure rotation so that revolute pair concave spherical surface rotates around convex spherical, realizes the normal rotation work(of beam body
Energy.
When an earthquake occurs, the relative motion of Liang Dun and above and below beam body generation and three directions of level.In vertical opposite fortune
When dynamic, with Liang Dun relative motion up and down occurs for beam body, and beam body drives tension sleeve to move up and down at this time, when damping shock absorption block position position
When below revolute pair, vertical force is transferred to by damping shock absorption block in revolute pair and locking nut by tension sleeve, when
When damping shock absorption block is located above revolute pair, vertical force is transferred to damping shock absorption block and lock by tension sleeve by revolute pair
On tight nut so that tension sleeve and damping tenon bar constitute tensile structure, while compressing polyurethane damping in power transmittance process
Snubber block realizes vertical tension and shock-absorbing function.In horizontal relative motions, beam body pushes tension sleeve horizontal movement, works as fortune
When dynamic displacement is more than the normal level displacement that tension through-hole is reserved, horizontal force is transferred at the top of damping tenon bar by tension sleeve, band
Yield deformation occurs for dynamic damping tenon bar, and damping energy consumption is realized during yield deformation occurs for damping tenon bar.
Embodiment 2
As shown in Fig. 2, a kind of Near-source earthquake with active type three-dimensional damping device by lower anchor plate 1, damping tenon bar 2, tension
The parts such as sleeve 3, damping shock absorption block 4, revolute pair 5, upper embedded board 8, upper anchor bolt 9 are constituted.When three-dimensional damping is assembled, lower anchoring
Plate 1 is used with damping tenon bar 2 and is threadedly coupled；Tension sleeve 3, damping shock absorption block 4 pass through 2 top circle of tension through-hole and damping tenon bar
Column position coordinates, and is then inserted in revolute pair concave spherical surface, revolute pair convex spherical is using ball-type nut either with female convex
Spherical surface is coordinated by convex spherical internal thread and 2 screw top of damping tenon bar, fixed tension sleeve, damping shock absorption block and revolute pair.
When three-dimensional damping device is installed, lower anchor plate is connect with beam pier embedded board, and top passes through upper embedded board 8 and upper anchor bolt and beam body
Bottom connects.
Beam body generates movement under normal circumstances, and beam body drives tension sleeve to make its bottom hole at the top of damping tenon bar
Cylinder position moves, and meets the requirement of beam body normal displacement.When deflection deformation occurs for beam body, beam bottom drives tension sleeve
By rotating auxiliary structure rotation so that revolute pair concave spherical surface rotates around convex spherical, realizes the normal rotation function of beam body.
When an earthquake occurs, the relative motion of Liang Dun and above and below beam body generation and three directions of level.In vertical opposite fortune
When dynamic, with Liang Dun relative motion up and down occurs for beam body, and beam body drives tension sleeve to move up and down at this time, and vertical force is passed through tension
Sleeve is transferred to by damping shock absorption block in revolute pair so that tension sleeve and damping tenon bar constitute tensile structure, while in power
Polyurethane damping shock absorption block is compressed in transmittance process, realizes vertical tension and shock-absorbing function.In horizontal relative motions, beam body pushes away
Dynamic tension sleeve horizontal movement, when moving displacement is more than the normal level displacement that tension through-hole is reserved, tension sleeve will be horizontal
Power is transferred at the top of damping tenon bar, drives damping tenon bar that yield deformation occurs, real during yield deformation occurs for damping tenon bar
Existing damping energy consumption.
The utility model can not only meet vertical tension and shock-absorbing function when Near-source earthquake occurs, moreover it is possible to meet level side
To damping energy consumption, be a kind of antidetonation product for being suitable for highlight lines Near-source earthquake and removing bridge.
Claims (11)
1. a kind of Near-source earthquake active type three-dimensional damping device, including tension sleeve（3）With damping tenon bar（2）, feature exists
In：Tension sleeve（3）Bottom be tension bottom surface（31）, in tension bottom surface（31）Center be equipped be used for damping tenon bar（2）It wears
The tension through-hole crossed（32）, damping tenon bar（2）By the construction section on top（21）, middle part surrender section（22）With the fixed section of lower part
（23）Composition, construction section（21）From tension through-hole（32）Penetrate tension sleeve（3）Barrel chamber in, construction section（21）Outer surface with
Tension through-hole（32）Hole wall do not contact, and with tension through-hole（32）Hole wall between be equipped with horizontal displacement gap, in tension set
Cylinder（3）Barrel chamber in construction section（21）On be arranged be arranged in tension bottom surface（31）On damping shock absorption block（4）And revolute pair
（5）, damping shock absorption block（4）It is pressed on revolute pair（5）Top surface on or damping shock absorption block（4）It is arranged in tension bottom surface（31）'s
Upper surface and revolute pair（5）Between, revolute pair（5）Outer surface and tension sleeve（3）Barrel do not contact, and with tension sleeve
（3）Between be equipped with horizontal displacement gap, the revolute pair（5）By being fixed at construction section（21）On the first rotating member
（51）Be set in construction section（21）It above and can be with tension sleeve（3）The second rotating member rotated together（52）Composition, first
Rotating member（51）Lower surface and the second rotating member（52）Upper surface be that can relatively rotate and the male and fomale(M＆F) for the setting that cooperates.
2. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The fixation
Section（23）With lower anchor plate（1）It is fixedly connected, fixed section（23）With lower anchor plate（1）It is structure as a whole, or, fixed section（23）It can
Dismounting is fixed at lower anchor plate（1）On.
3. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The damping
Tenon bar（2）It is made of extraordinary mild steel, yield strength is 200~250MPa, and maximum surrender plastic strain is 1.5%~3%.
4. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The installation
Section is cylinder.
5. a kind of Near-source earthquake active type three-dimensional damping device as claimed in claim 4, it is characterised in that：The installation
Section（21）Outer surface offer external screw thread, the first rotating member（51）Center be equipped with and construction section（21）External screw thread match
Internal thread, the second rotating member（52）Central through hole not with construction section（21）Outer surface be in contact.
6. a kind of Near-source earthquake active type three-dimensional damping device as claimed in claim 4, it is characterised in that：The installation
Section（21）Lower external face be smooth cylinder, the first rotating member（51）Center be equipped with and construction section（21）Outer diameter match
Through-hole, the second rotating member（52）Central through hole not with construction section（21）Outer surface be in contact, in the first rotating member（51）
Top be equipped with the first rotating member（51）It is fixedly mounted on construction section（21）Locking nut（7）.
7. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The surrender
Section（22）Surface use globoidal structure.
8. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The tension
Sleeve（3）Stack shell and tension bottom surface（31）It is structure as a whole.
9. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The tension
Sleeve（3）Stack shell and tension bottom surface（31）It is bolted to connection.
10. a kind of Near-source earthquake active type three-dimensional damping device as described in claim 1, it is characterised in that：The resistance
Buddhist nun's snubber block（4）It is made of nonmetallic materials.
11. a kind of Near-source earthquake active type three-dimensional damping device as claimed in claim 10, it is characterised in that：Described is non-
Metal material is rubber or polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734874.5U CN207812264U (en) | 2017-12-13 | 2017-12-13 | A kind of Near-source earthquake active type three-dimensional damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734874.5U CN207812264U (en) | 2017-12-13 | 2017-12-13 | A kind of Near-source earthquake active type three-dimensional damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207812264U true CN207812264U (en) | 2018-09-04 |
Family
ID=63332119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721734874.5U Active CN207812264U (en) | 2017-12-13 | 2017-12-13 | A kind of Near-source earthquake active type three-dimensional damping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974923A (en) * | 2017-12-13 | 2018-05-01 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake active type three-dimensional damping device |
-
2017
- 2017-12-13 CN CN201721734874.5U patent/CN207812264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974923A (en) * | 2017-12-13 | 2018-05-01 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake active type three-dimensional damping device |
| CN107974923B (en) * | 2017-12-13 | 2023-11-17 | 中铁二院昆明勘察设计研究院有限责任公司 | Movable three-way damping device for near-field earthquake |
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Address after: 650000 northwest corner of Chuncheng Road overpass, Guandu District, Kunming City, Yunnan Province Patentee after: KUNMING SURVEY DESIGN AND RESEARCH INSTITUTE Co.,Ltd. OF CREEC Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: 650000 northwest corner of Chuncheng Road overpass, Guandu District, Kunming City, Yunnan Province Patentee before: KUNMING SURVEY DESIGN AND RESEARCH INSTITUTE Co.,Ltd. OF CREEC Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |