CN204703056U - A kind of friction pendulum subtracts Isolated Bridges bearing - Google Patents
A kind of friction pendulum subtracts Isolated Bridges bearing Download PDFInfo
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- CN204703056U CN204703056U CN201520123312.1U CN201520123312U CN204703056U CN 204703056 U CN204703056 U CN 204703056U CN 201520123312 U CN201520123312 U CN 201520123312U CN 204703056 U CN204703056 U CN 204703056U
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- lower support
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Abstract
The utility model belongs to bridge technology field, be specifically related to a kind of friction pendulum and subtract Isolated Bridges bearing, for solve existing high-damp rubber support easily aging, application life is short, installation is difficult, poor seismic behavior and the existing friction pendulum aseismatic bearing middle steel plate when normal displacement can rotate, the problem of beam body lifting.The utility model comprises dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.
Description
Technical field
The utility model belongs to bridge technology field, is specifically related to a kind of friction pendulum and subtracts Isolated Bridges bearing.
Background technology
Along with the frequent generation of earthquake in recent years, to bridge, build relevant antidetonation product and be developed rapidly, at present, the aseismatic bearing that domestic bridge adopts mainly contains high-damp rubber support, shear-pin shock isolating pedestal and friction pendulum aseismatic bearing.
Such as application number is that the utility model patent of 200820153869.X discloses a kind of bridge girder anti-seismic bearing, comprise lower slider board component, end basin, upper anchor ingot board component, lower slider board component comprises lower slider plate and is arranged on many little anchorage rod irons on this lower slider plate; End basin is arranged on the top of lower slider board component, can relatively slide in the horizontal direction by lower slider board component; Upper anchor plate assembly is arranged on the top of end basin, can slide in the horizontal direction with this end basin together relative lower slider board component, and upper anchor plate assembly comprises anchor plate and is arranged on many upper anchorage rod irons on this on anchor plate; And comprise motion locking device, motion locking device has cylinder body and can the piston rod of opposing cylinder horizontal movement, wherein cylinder body can with practice at the bottom of basin integral and be full of resisting medium in cylinder body, the two ends of piston rod are fixed on lower slider board component, the piston head of piston rod is positioned at cylinder body, and the fine clearance had between piston head and the inwall of cylinder body for resisting medium flowing, the direction of piston rod opposing cylinder horizontal movement is consistent relative to the direction of lower slider board component horizontal movement with end basin.
Application number be 201220277537.9 utility model patent disclose a kind of bridge pad, comprise the first thimble assembly and the second thimble assembly, this first thimble assembly has the first steel pipe and is supported on the first plug steel plate on bridge pier or bearing pad stone, this the first steel pipe lower end is fixed on the first plug steel plate, upper end is then formed with opening, also be filled with adjustment sand body in this first steel pipe, this first steel pipe sidewall bottom is also formed with leak and the valve body for controlling leak opening and closing; This second thimble assembly has the second steel pipe and the second plug steel plate for supporting T type beam, and this second steel pipe upper end is fixed on the second plug steel plate, has also filled up concrete in this second steel pipe; The opening that the lower end of this second steel pipe penetrates the first steel pipe is supported on adjustment sand body.
Application number be 201320229751.1 utility model patent disclose a kind of anticorrosion benzvalene form bridge pad, comprise upper bracket plate, block rubber, piston and lower support plate, block rubber is arranged on upper bracket intralamellar part and contacts with piston upper surface; Piston is positioned at above lower support plate, its side and upper bracket plate contact internal walls, and the position contacted with each other with piston bottom the outer of block rubber is provided with hermetically-sealed construction; Hermetically-sealed construction comprises sealing copper ring and sealing rubber ring, and sealing copper ring is positioned at bottom the outer of block rubber, and sealing rubber ring is installed on top, piston outer and is positioned at below sealing copper ring.
Application number be 201320359584.2 utility model patent disclose a kind of shock-absorbing bridge support, its structure comprises the upper bracket plate that can be fixedly connected with beam body, the upper face that can be fixedly connected with bridge pier is the lower support plate of spherical, and being provided with upper face between upper and lower support plate is rectangular-shaped, that lower face is dome shape middle slip block and two spherical rotation block; The border of upper bracket plate is provided with back-up ring; The interior side direction of upper bracket plate back-up ring is provided with corrosion resistant plate; The upper face border of lower support plate is provided with spacing ring.
The utility model patent of application number 201320536400.5 discloses a kind of bridge pad, comprise bearing upper steel plate, bearing lower steel plate and neoprene bearing, neoprene bearing is arranged between bearing upper steel plate and bearing lower steel plate, neoprene bearing lower end is provided with turning set, neoprene bearing can rotate in turning set, be slidably connected between turning set and bearing lower steel plate, outside neoprene bearing, be arranged with dust-proof coaming plate, outside neoprene bearing, between bearing upper steel plate and bearing lower steel plate, be provided with connecting rod; Connecting rod is connected sphere with being provided with between bearing upper steel plate and bearing lower steel plate, connects outside sphere and is provided with rubber pad.
Application number be 201320610278.1 utility model patent disclose a kind of bridge pad, comprise upper base plate, lower seat board, the arris place of upper base plate, lower seat board exposed face is rounding, and the radius of rounding is greater than 2.5mm, and described upper base plate, lower seat board are provided with enamel anticorrosive coat.
Application number be 201320856470.9 utility model patent disclose a kind of bridge girder anti-seismic bearing, there is bridge board, bridge pier, pedestal, tray, the rectangle tray be structure as a whole with bridge board that two ends, bridge board bottom surface are provided with a pair symmetry, there is dovetail groove, wear-resistant material layer, trapezoid block, slide block, chute, wear-resistant material layer II, damping spring, wherein the lower surface of bridge board is provided with inverted dovetail groove, and dovetail groove matches with trapezoid block inverted on bridge pier and settles; End face near bridge pier on tray is provided with the rectangular shaped slider be arranged symmetrically with for a pair, and rectangular shaped slider coordinates with the rectangle chute on bridge pier settles; Wear-resistant material layer I is provided with between dovetail groove and trapezoid block; Wear-resistant material layer II is provided with between slide block and chute; Damping spring is provided with between slide block and chute.
High-damp rubber support, shear-pin shock isolating pedestal and friction pendulum aseismatic bearing is mainly divided into above as the existing highway bridge aseismatic bearing told about, but high-damp rubber support can utilize when support displacement the damping characteristic of rubber to provide earthquake resistance, reduce and absorb seismic load.The shortcomings such as but the bearing capacity of high-damp rubber support is less, rubber is easily aging, and earthquake displacement is little and inflammable.Existing shear-pin shock isolating pedestal, can only Earthquake occurrence control when reaching susceptor design seismic load when earthquake, and shear-pin unlocks isolation seismic load, just can reach the object of protection.Existing friction pendulum aseismatic bearing is when normal displacement, and the steel plate in the middle of hyperboloid can rotate, beam knows from experience lifting.
Utility model content
The utility model be in order to solve existing high-damp rubber support easily aging, application life is short, installation is difficult, middle steel plate can rotate, beam body is the problem of lifting when normal displacement for poor seismic behavior and existing friction pendulum aseismatic bearing, and provide a kind of friction pendulum to subtract Isolated Bridges bearing, have, long service life, feature easy for installation, simultaneously when normal displacement, beam body can not the feature of lifting.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of friction pendulum subtracts Isolated Bridges bearing, it is characterized in that, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.
The lower surface of described upper bracket plate is provided with spherical crown plate, and the upper surface of described spherical crown plate and the lower surface of upper bracket plate form flat frictional pair; The below of described spherical crown plate is provided with the lower support plate be arranged on bridge pier, and the upper surface of described lower support plate offers bent prone curved indentations, and the lower surface of described spherical crown plate and the curved indentations of lower support plate are mutually adaptive and form lower peripheral surface friction pair; Described upper bracket plate is placed in the top of bridge pier through spherical crown plate and lower support plate.
The lower surface of described upper bracket plate is provided with circular middle steel plate, the upper surface of described circular middle steel plate and the lower surface of upper bracket plate form flat frictional pair, the below of described circular middle steel plate is provided with rubber mat plate, and the below of described rubber mat plate is provided with the lower support plate be arranged on bridge pier; Described upper bracket plate is placed in the top of bridge pier through circular middle steel plate, rubber mat plate and lower support plate.
The two ends of described upper bracket plate are provided with the guide ledges arranged downwards, and described lower support plate is between the guide ledges at upper bracket plate two ends, and the lower surface of described guide ledges is positioned at the below of lower support plate upper surface.
Described positive stop strip is connected to the lower surface of dimple through bolt.
Described positive stop strip is connected to the lower surface of dimple through multiple bolt.
Compared with prior art, the utility model has following beneficial effect:
Friction pendulum of the present utility model subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved indentations, and the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.When bridge normal operation, upper bracket plate is limited in the curved indentations of dimple by positive stop strip, completely the same with general spherical shape bearing function; When earthquake, when the horizontal seismic force that bridge bears is greater than the shearing force of bolt, bolt clippers end, positive stop strip comes off, and upper bracket plate slides in the curved indentations of dimple, and beam body and pier are left, and makes most of seismic energy cannot be delivered to beam body from pier; Utilize the vibration period of the curved indentations extending structure of dimple simultaneously, reduce the seismic response of structure, the slip of upper bracket plate in curved indentations, produce friction earthquake energy, protection beam body and pier; After earthquake, dimple and upper bracket plate have auto-reset function, thus improve the shock resistance of bridge.Meanwhile, the utility model has feature that is easy for installation, long service life, and when normal operation, beam body can not lifting, improves practicality of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing general spherical shape bearing;
Fig. 2 is the structural representation of the utility model one embodiment;
Fig. 3 is the structural representation of another embodiment of the utility model;
Mark in figure: 1, dimple, 2, upper bracket plate, 3, upper sphere friction pair, 4, flat frictional pair, 5, spherical crown plate, 6, lower peripheral surface friction pair, 7, lower support plate, 8, positive stop strip, 9, bolt, 10, circular middle steel plate, 11, rubber mat plate, 12, guide ledges, 13, bridge pier.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.
Composition graphs 1, for existing general spherical shape bearing, because upper bracket plate is to the rigid limit of lower support plate, the energy that during earthquake, bridge pier is subject to can be directly passed to upper bracket plate, and energy can be directly passed to beam body by upper bracket plate, thus cause the problem of anti seismic efficiency difference.
Composition graphs 2 and Fig. 3, friction pendulum of the present utility model subtracts Isolated Bridges bearing, comprise dimple 1, the lower surface of described dimple 1 offers curved surface curved indentations upwards, the below of described dimple 1 is provided with the upper bracket plate 2 mutually adaptive with the curved indentations of dimple 1, and the described upper surface of upper bracket plate 2 and the lower surface of dimple form sphere friction pair 3; Described upper bracket plate 2 is placed in the top of bridge pier 13, and the below of described dimple 1 is connected with the positive stop strip 8 for limiting upper bracket plate 2 position.When bridge normal operation, upper bracket plate 2 is limited in the curved indentations of dimple 1 by positive stop strip 8, completely the same with general spherical shape bearing function; When earthquake, when the horizontal seismic force that bridge bears is greater than the shearing force of bolt, bolt clippers end positive stop strip 8 comes off, and upper bracket plate 1 slides in the curved indentations of dimple, and beam body and pier are left, and makes most of seismic energy cannot be delivered to beam body from pier; Utilize the vibration period of the curved indentations extending structure of dimple simultaneously, reduce the seismic response of structure, the slip of upper bracket plate in curved indentations, produce friction earthquake energy, protection beam body and pier; After earthquake, dimple and upper bracket plate have auto-reset function, thus improve the shock resistance of bridge.Meanwhile, the utility model has feature that is easy for installation, long service life, and when normal operation, beam body can not lifting, improves practicality of the present utility model.
Composition graphs 2, as a kind of embodiment of the utility model, the lower surface of described upper bracket plate 2 is provided with spherical crown plate 5, and the upper surface of described spherical crown plate 5 and the lower surface of upper bracket plate 2 form flat frictional pair 4; The below of described spherical crown plate 5 is provided with the lower support plate 7 be arranged on bridge pier 13, the upper surface of described lower support plate 7 offers bent prone curved indentations, and the lower surface of described spherical crown plate 5 and the curved indentations of lower support plate 7 are mutually adaptive and form lower peripheral surface friction pair 6; Described upper bracket plate 2 is placed in the top of bridge pier 13 through spherical crown plate 5 and lower support plate 7.The present embodiment can either carry out the consumption of seismic energy by upper sphere friction pair, also carried out the consumption of seismic energy by flat frictional pair and lower peripheral surface friction pair simultaneously, improves the shock resistance of beam body further.
Composition graphs 3, the lower surface of upper bracket plate 2 is provided with circular middle steel plate 10, the upper surface of described circular middle steel plate 10 and the lower surface of upper bracket plate 2 form flat frictional pair 4, the below of described circular middle steel plate 10 is provided with rubber mat plate 11, and the below of described rubber mat plate 11 is provided with the lower support plate 7 be arranged on bridge pier 13; Described upper bracket plate 2 is placed in the top of bridge pier 13 through circular middle steel plate 10, rubber mat plate 11 and lower support plate 7.Improve damping effect by rubber mat plate 11, improve anti-shear ability by flat frictional pair 4 simultaneously, improve anti seismic efficiency.As the preferred mode of one, rubber mat plate 11 is set in lower support plate, and the lower surface of circular middle steel plate 10 is positioned at lower support plate, improves beam body resistance to overturning.
As a kind of preferred mode of the utility model, the two ends of upper bracket plate 2 are provided with arrange convex stupefied 12 downwards, and described lower support plate 7, between convex stupefied 12 of upper bracket plate 2 two ends, makes lower support plate 7 slide along convex stupefied 12, realizes the normal displacement of bearing.
Positive stop strip 8 of the present utility model is connected to the lower surface of dimple 1 through bolt 9, preferably positive stop strip 8 is connected to the lower surface of dimple 1 through multiple bolt 9.
Embodiment one
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.
Embodiment two
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.The lower surface of described upper bracket plate is provided with spherical crown plate, and the upper surface of described spherical crown plate and the lower surface of upper bracket plate form flat frictional pair; The below of described spherical crown plate is provided with the lower support plate be arranged on bridge pier, and the upper surface of described lower support plate offers bent prone curved indentations, and the lower surface of described spherical crown plate and the curved indentations of lower support plate are mutually adaptive and form lower peripheral surface friction pair; Described upper bracket plate is placed in the top of bridge pier through spherical crown plate and lower support plate.
Embodiment three
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position; The lower surface of described upper bracket plate is provided with circular middle steel plate, the upper surface of described circular middle steel plate and the lower surface of upper bracket plate form flat frictional pair, the below of described circular middle steel plate is provided with rubber mat plate, and the below of described rubber mat plate is provided with the lower support plate be arranged on bridge pier; Described upper bracket plate is placed in the top of bridge pier through circular middle steel plate, rubber mat plate and lower support plate.
Embodiment four
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.The lower surface of described upper bracket plate is provided with spherical crown plate, and the upper surface of described spherical crown plate and the lower surface of upper bracket plate form flat frictional pair; The below of described spherical crown plate is provided with the lower support plate be arranged on bridge pier, and the upper surface of described lower support plate offers bent prone curved indentations, and the lower surface of described spherical crown plate and the curved indentations of lower support plate are mutually adaptive and form lower peripheral surface friction pair; Described upper bracket plate is placed in the top of bridge pier through spherical crown plate and lower support plate; The two ends of described upper bracket plate are provided with arrange convex stupefied downwards, described lower support plate upper bracket plate two ends convex stupefied between, described convex stupefied lower surface is positioned at the below of lower support plate upper surface.
Embodiment five
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position; The lower surface of described upper bracket plate is provided with circular middle steel plate, the upper surface of described circular middle steel plate and the lower surface of upper bracket plate form flat frictional pair, the below of described circular middle steel plate is provided with rubber mat plate, and the below of described rubber mat plate is provided with the lower support plate be arranged on bridge pier; Described upper bracket plate is placed in the top of bridge pier through circular middle steel plate, rubber mat plate and lower support plate.The two ends of described upper bracket plate are provided with arrange convex stupefied downwards, described lower support plate upper bracket plate two ends convex stupefied between, described convex stupefied lower surface is positioned at the below of lower support plate upper surface.
Embodiment six
The friction pendulum of the present embodiment subtracts Isolated Bridges bearing, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position through multiple bolt; The lower surface of described upper bracket plate is provided with circular middle steel plate, the upper surface of described circular middle steel plate and the lower surface of upper bracket plate form flat frictional pair, the below of described circular middle steel plate is provided with rubber mat plate, and the below of described rubber mat plate is provided with the lower support plate be arranged on bridge pier; Described upper bracket plate is placed in the top of bridge pier through circular middle steel plate, rubber mat plate and lower support plate.The two ends of described upper bracket plate are provided with arrange convex stupefied downwards, described lower support plate upper bracket plate two ends convex stupefied between, described convex stupefied lower surface is positioned at the below of lower support plate upper surface.
Claims (6)
1. a friction pendulum subtracts Isolated Bridges bearing, it is characterized in that, comprise dimple, the lower surface of described dimple offers curved surface curved indentations upwards, the below of described dimple is provided with the upper bracket plate mutually adaptive with the curved indentations of dimple, and the described upper surface of upper bracket plate and the lower surface of dimple form sphere friction pair; Described upper bracket plate is placed in the top of bridge pier, and the below of described dimple is connected with the positive stop strip for limiting upper bracket Board position.
2. friction pendulum according to claim 1 subtracts Isolated Bridges bearing, it is characterized in that, the lower surface of described upper bracket plate is provided with spherical crown plate, and the upper surface of described spherical crown plate and the lower surface of upper bracket plate form flat frictional pair; The below of described spherical crown plate is provided with the lower support plate be arranged on bridge pier, and the upper surface of described lower support plate offers bent prone curved indentations, and the lower surface of described spherical crown plate and the curved indentations of lower support plate are mutually adaptive and form lower peripheral surface friction pair; Described upper bracket plate is placed in the top of bridge pier through spherical crown plate and lower support plate.
3. friction pendulum according to claim 1 subtracts Isolated Bridges bearing, it is characterized in that, the lower surface of described upper bracket plate is provided with circular middle steel plate, the upper surface of described circular middle steel plate and the lower surface of upper bracket plate form flat frictional pair, the below of described circular middle steel plate is provided with rubber mat plate, and the below of described rubber mat plate is provided with the lower support plate be arranged on bridge pier; Described upper bracket plate is placed in the top of bridge pier through circular middle steel plate, rubber mat plate and lower support plate.
4. the friction pendulum according to Claims 2 or 3 subtracts Isolated Bridges bearing, it is characterized in that, the two ends of described upper bracket plate are provided with arrange convex stupefied downwards, described lower support plate upper bracket plate two ends convex stupefied between, described convex stupefied lower surface is positioned at the below of lower support plate upper surface.
5. friction pendulum according to claim 4 subtracts Isolated Bridges bearing, it is characterized in that, described positive stop strip is connected to the lower surface of dimple through bolt.
6. friction pendulum according to claim 5 subtracts Isolated Bridges bearing, it is characterized in that, described positive stop strip is connected to the lower surface of dimple through multiple bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123312.1U CN204703056U (en) | 2015-03-03 | 2015-03-03 | A kind of friction pendulum subtracts Isolated Bridges bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123312.1U CN204703056U (en) | 2015-03-03 | 2015-03-03 | A kind of friction pendulum subtracts Isolated Bridges bearing |
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| CN204703056U true CN204703056U (en) | 2015-10-14 |
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| CN201520123312.1U Active CN204703056U (en) | 2015-03-03 | 2015-03-03 | A kind of friction pendulum subtracts Isolated Bridges bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672125A (en) * | 2016-03-24 | 2016-06-15 | 济南大学 | Anti-seismic fixed spherical support |
| CN109235249A (en) * | 2018-11-14 | 2019-01-18 | 中铁二院工程集团有限责任公司 | A kind of spherical steel support with dissipative member |
-
2015
- 2015-03-03 CN CN201520123312.1U patent/CN204703056U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672125A (en) * | 2016-03-24 | 2016-06-15 | 济南大学 | Anti-seismic fixed spherical support |
| CN109235249A (en) * | 2018-11-14 | 2019-01-18 | 中铁二院工程集团有限责任公司 | A kind of spherical steel support with dissipative member |
| CN109235249B (en) * | 2018-11-14 | 2024-03-08 | 中铁二院工程集团有限责任公司 | Spherical steel support with energy dissipation members |
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Effective date of registration: 20160301 Address after: 611430, No. 10, No. 669, Xing Yuan Road, A District, Xinjin County Industrial Park, Sichuan, Chengdu Patentee after: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. Patentee after: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee after: Li Xiong Address before: 611430 Xinjin province Chengdu City Industrial Park A District, West hope road, No. 356 Patentee before: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee before: Li Xiong |
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Address after: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee after: Jitong Intelligent Equipment Co.,Ltd. Patentee after: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee after: Li Xiong Address before: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee before: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. Patentee before: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee before: Li Xiong |
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Effective date of registration: 20231114 Address after: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee after: Jitong Intelligent Equipment Co.,Ltd. Address before: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee before: Jitong Intelligent Equipment Co.,Ltd. Patentee before: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee before: Li Xiong |
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