CN110616811A - Bidirectional guide rail friction pendulum type shock insulation support with anti-pulling function - Google Patents
Bidirectional guide rail friction pendulum type shock insulation support with anti-pulling function Download PDFInfo
- Publication number
- CN110616811A CN110616811A CN201911009204.0A CN201911009204A CN110616811A CN 110616811 A CN110616811 A CN 110616811A CN 201911009204 A CN201911009204 A CN 201911009204A CN 110616811 A CN110616811 A CN 110616811A
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- China
- Prior art keywords
- guide rail
- plate
- sliding
- block
- support plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention relates to a bidirectional guide rail friction pendulum type shock insulation support with an anti-pulling function, which comprises an upper support plate component and a lower support plate component which are respectively connected with a building superstructure and a building substructure, wherein the upper support plate component and the lower support plate component are oppositely arranged, an upper guide rail block is fixed on the inner side of the upper support plate component, a lower guide rail block is fixed on the inner side of the lower support plate component, a sliding block is arranged between the upper guide rail block and the lower guide rail block, an upper sliding groove matched with the upper part of the sliding block is arranged on the upper guide rail block, a lower sliding groove matched with the lower part of the sliding block is arranged on the lower guide rail block, the upper sliding groove and the lower sliding groove are arranged along the opposite vertical direction, and the upper part and the lower part of. The bidirectional guide rail friction pendulum type shock insulation support with the anti-pulling function can limit the vertical displacement of the support, is reasonable in stress, simple in structure, safe and reliable, good in shock insulation effect and capable of being widely applied to building and bridge engineering.
Description
Technical Field
The invention relates to the technical field of building shock absorption, in particular to a bidirectional guide rail friction pendulum type shock insulation support with a drawing-resistant function.
Background
Since the 80 s of the 20 th century, the vibration isolation support of the friction pendulum type vibration isolation support has the advantages of small structure size, capability of controlling the vibration isolation period of the structure and the like, and is widely applied to house structures and bridge engineering.
The working principle of the friction pendulum type seismic mitigation and isolation support is simpler: the building superstructure is supported on a slidable curved surface and moves like a pendulum when the building superstructure and substructure are displaced relative to each other. Therefore, any horizontal motion will produce a vertical lift of gravity, and if friction is neglected, the motion equation of the system is similar to a pendulum motion with equal mass, and the pendulum length is the curvature radius of a curved surface. The shock insulation period of the friction pendulum type shock absorption and shock insulation support is determined by the curvature radius of the first sliding surface. The period of the seismic isolation structure is as follows:therefore, the swing period of the support can be changed by changing the curvature radius of the curved surface of the support, so that the period of the structure is prolonged, and the seismic energy absorbed by the structure can be rapidly reduced to achieve the purpose of shock insulation.
The earthquake energy is finally converted into heat energy through the friction of the support wear-resisting plate and the stainless steel plate, and then is consumed. The earthquake rear support has the automatic resetting capability under the action of the self gravity of the upper structure.
At present friction pendulum formula shock insulation support for building because the shock isolation device during operation swings along the undersetting board for superstructure needs to be raised, therefore the function is pulled out to friction pendulum support general nothing tensile, and the support can not restrict the displacement of building in vertical direction, can only the pressurized, is difficult to accomplish to pull and presses compromise, and this makes it need cooperate the tensile device of pulling out in practical application, and the tensile device of pulling out must with the vertical follow-up of friction pendulum formula shock insulation support.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a bidirectional guide rail friction pendulum type shock insulation support with a tensile drawing function, and solves the technical problems that the conventional friction pendulum type shock insulation support is difficult to realize both tension and compression and needs to be additionally matched with a tensile drawing device.
The invention is realized by the following technical scheme:
the utility model provides a two-way guide rail friction pendulum-type shock insulation support with function is pulled out to tensile, includes upper bracket board subassembly and the undersetting board subassembly that is connected with building superstructure, building undersetting structure respectively, upper bracket board subassembly and the relative setting of undersetting board subassembly, the inboard of upper bracket board subassembly is fixed with the upper guide rail piece, the inboard of undersetting board is fixed with the lower guide rail piece, be equipped with the sliding block between upper guide rail piece and the lower guide rail piece, be equipped with on the upper guide rail piece with sliding block upper portion matched with sliding tray, be equipped with on the lower guide rail piece with sliding block lower part matched with lower sliding tray, go up the sliding tray and set up along relative vertical direction with the lower sliding tray, the last lower part of sliding block respectively with last sliding tray, lower sliding tray sliding connection.
Further, the upper guide rail block comprises an upper guide rail plate and first side limit stops located on two sides of the two sides/lower surfaces of the upper guide rail plate, a first stainless steel plate is arranged on the lower surface of the upper guide rail plate, and the upper guide rail plate and the two first side limit stops form an upper sliding groove.
Furthermore, the first side limit stop block and the upper guide rail plate are integrally designed or are fixedly connected by adopting an inner hexagon bolt.
Further, the lower guide rail block comprises a lower guide rail plate and second side limit stops positioned on two sides of the upper surface of the lower guide rail plate, a second stainless steel plate is arranged on the upper surface of the lower guide rail plate, and the lower guide rail plate and the two second side limit stops form a lower sliding groove.
Furthermore, the second side limit stop block and the lower guide rail plate are integrally designed or are fixedly connected by adopting an inner hexagon bolt.
Furthermore, the sliding block comprises a sliding block body, an upper sliding plate and a lower sliding plate, wherein the upper sliding plate and the lower sliding plate are positioned on the upper side and the lower side of the sliding block body, wear-resistant plates are arranged on the upper surface of the upper sliding plate and the lower surface of the lower sliding plate, the wear-resistant plate on the upper surface of the upper sliding plate and a first stainless steel plate form a first sliding friction pair, and the wear-resistant plate on the lower surface of the lower sliding plate and a second stainless steel plate form a second sliding friction pair.
Furthermore, the upper support plate component comprises an upper support plate and an upper anchorage steel bar fixed on the upper support plate through an anchoring bolt, wherein two ends of the upper anchorage steel bar are respectively connected with the upper support plate and the upper structure of the building; the lower support plate assembly comprises a lower support plate and a lower anchorage steel bar fixed on the lower support plate through an anchoring bolt, and two ends of the lower anchorage steel bar are respectively connected with the lower support plate and a building substructure.
Compared with the prior art, the invention has the beneficial effects that:
the bidirectional guide rail friction pendulum type shock insulation support with the anti-pulling function provided by the invention has the anti-pulling function on the basis of keeping the function of the friction pendulum type shock insulation support, and is more suitable for the field of buildings.
The sliding block motion of the support is similar to pendulum motion with equal mass, and the pendulum length is the curvature radius of a curved surface. By changing the curvature radius of the curved surface of the support, the swing period of the structure can be changed, and the expected shock insulation period is achieved. So that the seismic energy absorbed by the structure can be rapidly reduced, and the seismic energy can be converted into heat energy through friction of the friction material and dissipated. The shock insulation period of the shock insulation support is determined by the curvature radius of the first sliding surface, and the period is as follows:the earthquake rear support has the automatic resetting capability under the action of the self gravity of the upper structure. When the support is stressed in the vertical direction and has a relative movement trend, the side limiting blocks of the upper and lower guide rail blocks can limit the support and the sliding block to move relatively, and the anti-pulling function of the support is realized.
The application provides a two-way guide rail friction pendulum formula isolation bearing with function is pulled out to tensile has overcome the limitation that traditional friction pendulum formula isolation bearing can not restrict the vertical displacement of support, and the atress is reasonable, simple structure, safe and reliable, isolation effect are better, can extensively apply to building and bridge engineering to improve security, stability and the economic nature etc. of engineering.
Drawings
Fig. 1 is an exploded schematic view of a bidirectional guide rail friction pendulum type seismic isolation bearing with a drawing-resistant function according to an embodiment of the present invention;
fig. 2 is a front view of a bidirectional guide rail friction pendulum type vibration isolation support with a tensile pulling function (after upper and lower anchor steel rods are removed) according to an embodiment of the present invention;
fig. 3 is a left side view of the bidirectional guide rail friction pendulum type seismic isolation bearing with the anti-pulling function according to the embodiment of the invention;
FIG. 4 is a first structural schematic view of the section A-A of the upper guide rail block in FIG. 2;
FIG. 5 is a second structural diagram of the section A-A of the upper guide rail block in FIG. 2;
FIG. 6 is a third structural view of the section A-A of the upper guide rail block in FIG. 2;
FIG. 7 is a schematic cross-sectional view of the lower guide block B-B of FIG. 3;
FIG. 8 is a schematic cross-sectional view of the lower guide block C-C of FIG. 7;
FIG. 9 is a partial cross-sectional view of a slider block according to an embodiment of the present invention.
In the figure:
1. an upper bracket plate assembly; 2. an upper guide rail block; 21. an upper guide rail plate; 22. a first side limit stop; 23. a first stainless steel plate; 24. an upper sliding groove; 3. a slider; 31. an upper sliding plate; 32. a lower sliding plate; 33. a wear plate; 34. a slider body; 4. a lower guide rail block; 41. a second stainless steel plate; 42. a second side limit stop; 43. a lower guide rail plate; 44. a lower sliding groove; 5. a lower seat plate assembly.
Detailed Description
The following examples are presented to illustrate certain embodiments of the invention in particular and should not be construed as limiting the scope of the invention. The present disclosure may be modified from materials, methods, and reaction conditions at the same time, and all such modifications are intended to be within the spirit and scope of the present invention.
As shown in fig. 1-9, a bidirectional guide rail friction pendulum type vibration isolation support with anti-pulling function comprises an upper support plate component 1 and a lower support plate component 5 which are respectively connected with a building upper structure and a building lower structure, the upper support plate component 1 and the lower support plate component 5 are oppositely arranged, an upper guide rail block 2 is fixed on the inner side of the upper support plate component 1, a lower guide rail block 4 is fixed on the inner side of the lower support plate, a sliding block 3 is arranged between the upper guide rail block 2 and the lower guide rail block 4, the upper guide rail block 2 is provided with an upper sliding groove 24 matched with the upper part of the sliding block 3, the lower guide rail block 4 is provided with a lower sliding groove 44 matched with the lower part of the sliding block 3, the upper sliding groove 24 and the lower sliding groove 44 are arranged along the relative vertical direction, and the upper and lower parts of the sliding block 3 are respectively connected with the upper sliding groove 24 and the lower sliding groove 44 in a sliding manner.
In this embodiment, the upper rail block 2 includes an upper rail plate 21 and first side limit stoppers 22 located on two sides of the lower surface/two sides of the upper rail plate 21, a first stainless steel plate 23 is disposed on the lower surface of the upper rail plate 21, and the upper rail plate 21 and the two first side limit stoppers 22 form an upper sliding groove 24. The first side limit stopper 22 and the upper guide rail plate 21 are integrally designed or fixedly connected by adopting an inner hexagon bolt.
In this embodiment, the lower rail block 4 includes a lower rail plate 43 and second side limit stoppers 42 located on two sides/two sides of the upper surface of the lower rail plate 43, the upper surface of the lower rail plate 43 is provided with a second stainless steel plate 41, and the lower rail plate 43 and the two second side limit stoppers 42 form a lower sliding groove 44. The second side limit stopper 42 and the lower guide rail plate 43 are integrally designed or fixedly connected by adopting an inner hexagonal bolt.
In this embodiment, the sliding block 3 includes a sliding block body 34, and an upper sliding plate 31 and a lower sliding plate 32 located on both upper and lower sides of the sliding block body 34, wear plates 33 are disposed on both the upper surface of the upper sliding plate 31 and the lower surface of the lower sliding plate 32, the wear plate 33 on the upper surface of the upper sliding plate 31 and the first stainless steel plate 23 form a first sliding friction pair, and the wear plate 33 on the lower surface of the lower sliding plate 32 and the second stainless steel plate 41 form a second sliding friction pair.
In this embodiment, the upper support plate assembly 1 includes an upper support plate and an upper anchorage steel bar fixed on the upper support plate by an anchoring bolt, and two ends of the upper anchorage steel bar are respectively connected with the upper support plate and the upper structure of the building; the lower support plate assembly 5 comprises a lower support plate and a lower anchorage steel bar fixed on the lower support plate through an anchoring bolt, and two ends of the lower anchorage steel bar are respectively connected with the lower support plate and a building substructure.
When earthquake or other factors cause horizontal displacement of the upper structure and the lower structure of the building in any direction, the displacement is decomposed into two mutually perpendicular sliding groove directions, namely total displacementThe displacement in the x direction is consistent with the direction of the lower sliding groove 44 on the lower guide rail block 4, the sliding block 3 moves along the lower sliding groove 44 of the lower guide rail block 4 like a pendulum, and the height of the upper sliding plate 31 of the sliding block 3 is changed, so that the upper guide rail block 2 and the upper structure of the building are lifted; the displacement in the y direction is consistent with the direction of the upper sliding groove 24 on the upper guide rail block 2, and the relative movement of the upper guide rail block 2 and the sliding block 3 causes the upper guide rail block 2 to be lifted, and the building superstructure is lifted along with the lifting.
The motion equation of the system is similar to pendulum motion with equal mass, and the length of the pendulum is the curvature radius of a curved surface. By changing the curvature radius of the curved surface of the support, the swing period of the support can be changed, and the expected shock insulation period is achieved. So that the seismic energy absorbed by the structure can be rapidly reduced, and the seismic energy can be converted into heat energy through friction of the friction material and dissipated. The shock insulation period of the shock insulation support is determined by the curvature radius of the first sliding surface, and the period is as follows:the earthquake rear support has the automatic resetting capability under the action of the self gravity of the upper structure.
When the relative motion trend of the upper structure and the lower structure of the building in the vertical direction is caused by earthquake or other factors, the upper sliding plate 31 of the sliding block 3 is blocked by the two first side limit stops 22 of the upper guide rail block 2, and the lower sliding plate 32 is blocked by the two second side limit stops 42 of the lower guide rail block 4, so that the upper part and the lower part of the support cannot move vertically, and the anti-pulling function is realized.
In conclusion, the bidirectional guide rail friction pendulum type shock insulation support with the anti-pulling function overcomes the defects of the existing friction pendulum type shock insulation support, has the functions of tensile resistance and pressure resistance, and breaks through the limitation of the support in practical application.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A bidirectional guide rail friction pendulum type shock insulation support with an anti-pulling function is characterized by comprising an upper support plate component (1) and a lower support plate component (5) which are respectively connected with a building superstructure and a building substructure, wherein the upper support plate component (1) and the lower support plate component (5) are arranged oppositely, an upper guide rail block (2) is fixed on the inner side of the upper support plate component (1), a lower guide rail block (4) is fixed on the inner side of the lower support plate component, a sliding block (3) is arranged between the upper guide rail block (2) and the lower guide rail block (4), an upper sliding groove (24) matched with the upper part of the sliding block (3) is arranged on the upper guide rail block (2), a lower sliding groove (44) matched with the lower part of the sliding block (3) is arranged on the lower guide rail block (4), and the upper sliding groove (24) and the lower sliding groove (44) are arranged along the relative vertical direction, the upper and lower parts of the sliding block (3) are respectively connected with the upper sliding groove (24) and the lower sliding groove (44) in a sliding manner.
2. The bidirectional guide rail friction pendulum type seismic isolation bearing with the drawing-resistant function according to claim 1, wherein the upper guide rail block (2) comprises an upper guide rail plate (21) and first side limit stops (22) positioned on two sides/two sides of the lower surface of the upper guide rail plate (21), a first stainless steel plate (23) is arranged on the lower surface of the upper guide rail plate (21), and the upper guide rail plate (21) and the two first side limit stops (22) form an upper sliding groove (24).
3. The bidirectional guide rail friction pendulum type seismic isolation bearing with the drawing-resistant function as claimed in claim 2, wherein the first side limit stopper (22) and the upper guide rail plate (21) are integrally designed or fixedly connected by hexagon socket head cap screw.
4. The bidirectional guide rail friction pendulum type seismic isolation bearing with the drawing-resistant function according to claim 1, wherein the lower guide rail block (4) comprises a lower guide rail plate (43) and second side limit stoppers (42) positioned at two sides/two sides of the upper surface of the lower guide rail plate (43), the upper surface of the lower guide rail plate (43) is provided with a second stainless steel plate (41), and the lower guide rail plate (43) and the two second side limit stoppers (42) form a lower sliding groove (44).
5. The bidirectional guide rail friction pendulum type seismic isolation bearing with the drawing-resistant function as claimed in claim 4, wherein the second side limit stop (42) and the lower guide rail plate (43) are integrally designed or fixedly connected by hexagon socket head cap screw.
6. The bidirectional guide rail friction pendulum-type vibration isolator with the anti-pulling function according to any one of claims 1-5, wherein the sliding block (3) comprises a sliding block body (34), and an upper sliding plate (31) and a lower sliding plate (32) which are positioned on the upper and lower sides of the sliding block body (34), wear plates (33) are arranged on the upper surface of the upper sliding plate (31) and the lower surface of the lower sliding plate (32), the wear plate (33) on the upper surface of the upper sliding plate (31) and the first stainless steel plate (23) form a first sliding friction pair, and the wear plate (33) on the lower surface of the lower sliding plate (32) and the second stainless steel plate (41) form a second sliding friction pair.
7. The bidirectional guide rail friction pendulum type seismic isolation bearing with the drawing-resistant function is characterized in that the upper bearing plate assembly (1) comprises an upper bearing plate and an upper anchorage steel bar fixed on the upper bearing plate through an anchorage bolt, wherein two ends of the upper anchorage steel bar are respectively connected with the upper bearing plate and a building superstructure; the lower support plate component (5) comprises a lower support plate and a lower anchorage steel bar fixed on the lower support plate through an anchorage bolt, and two ends of the lower anchorage steel bar are respectively connected with the lower support plate and a building substructure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009204.0A CN110616811A (en) | 2019-10-23 | 2019-10-23 | Bidirectional guide rail friction pendulum type shock insulation support with anti-pulling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009204.0A CN110616811A (en) | 2019-10-23 | 2019-10-23 | Bidirectional guide rail friction pendulum type shock insulation support with anti-pulling function |
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| Publication Number | Publication Date |
|---|---|
| CN110616811A true CN110616811A (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911009204.0A Pending CN110616811A (en) | 2019-10-23 | 2019-10-23 | Bidirectional guide rail friction pendulum type shock insulation support with anti-pulling function |
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| CN (1) | CN110616811A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206697A (en) * | 2020-03-11 | 2020-05-29 | 河北安厦新材料科技有限公司 | Friction pendulum shock insulation support with anti-pulling and zero-clearance rotation functions |
| CN112696079A (en) * | 2020-12-28 | 2021-04-23 | 金晓芳 | Friction pendulum support with horizontal rotation function for building |
| WO2021091887A1 (en) * | 2019-11-07 | 2021-05-14 | METAseismic, Inc. | Vibration absorbing metamaterial apparatus and associated methods |
| CN112982711A (en) * | 2021-03-04 | 2021-06-18 | 上海市建筑科学研究院有限公司 | Three-dimensional shock insulation/vibration isolation support |
| CN114411993A (en) * | 2021-12-22 | 2022-04-29 | 中国建材国际工程集团有限公司 | Three-dimensional friction pendulum shock insulation support with tensile function |
| CN114809345A (en) * | 2022-04-14 | 2022-07-29 | 重庆交通大学 | Shock insulation support for building engineering |
| CN114809313A (en) * | 2022-05-18 | 2022-07-29 | 丰泽智能装备股份有限公司 | Anti-drawing guide rail type friction pendulum support |
-
2019
- 2019-10-23 CN CN201911009204.0A patent/CN110616811A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021091887A1 (en) * | 2019-11-07 | 2021-05-14 | METAseismic, Inc. | Vibration absorbing metamaterial apparatus and associated methods |
| US11300176B2 (en) | 2019-11-07 | 2022-04-12 | METAseismic, Inc. | Vibration absorbing metamaterial apparatus and associated methods |
| CN111206697A (en) * | 2020-03-11 | 2020-05-29 | 河北安厦新材料科技有限公司 | Friction pendulum shock insulation support with anti-pulling and zero-clearance rotation functions |
| CN112696079A (en) * | 2020-12-28 | 2021-04-23 | 金晓芳 | Friction pendulum support with horizontal rotation function for building |
| CN112982711A (en) * | 2021-03-04 | 2021-06-18 | 上海市建筑科学研究院有限公司 | Three-dimensional shock insulation/vibration isolation support |
| CN114411993A (en) * | 2021-12-22 | 2022-04-29 | 中国建材国际工程集团有限公司 | Three-dimensional friction pendulum shock insulation support with tensile function |
| CN114809345A (en) * | 2022-04-14 | 2022-07-29 | 重庆交通大学 | Shock insulation support for building engineering |
| CN114809345B (en) * | 2022-04-14 | 2024-01-09 | 重庆交通大学 | Shock insulation support for building engineering |
| CN114809313A (en) * | 2022-05-18 | 2022-07-29 | 丰泽智能装备股份有限公司 | Anti-drawing guide rail type friction pendulum support |
| CN114809313B (en) * | 2022-05-18 | 2022-11-18 | 丰泽智能装备股份有限公司 | Anti-drawing guide rail type friction pendulum support |
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Effective date of registration: 20200629 Address after: 430070 No.9, 9 / F, building 1, IBO times, No.9, huanle Avenue, Hongshan District, Wuhan City, Hubei Province Applicant after: Wuhan qiaozhiheng Bridge Engineering Technology Co.,Ltd. Applicant after: SHANDONG LONGXIANG NEW MATERIALS TECHNOLOGY Co.,Ltd. Address before: 430000 No.9, floor 9, building 1, IBO era, main hall, No.9, happy avenue, Hongshan District, Wuhan City, Hubei Province Applicant before: Wuhan qiaozhiheng Bridge Engineering Technology Co.,Ltd. |
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