CN114277675B - Anti-seismic prevention and control structure for steel bridge construction and application method thereof - Google Patents
Anti-seismic prevention and control structure for steel bridge construction and application method thereof Download PDFInfo
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- CN114277675B CN114277675B CN202210047569.8A CN202210047569A CN114277675B CN 114277675 B CN114277675 B CN 114277675B CN 202210047569 A CN202210047569 A CN 202210047569A CN 114277675 B CN114277675 B CN 114277675B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 5
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anti-seismic prevention and control structure for steel bridge construction, which comprises a base and a supporting seat, wherein a connecting seat is arranged between the base and the supporting seat, an accommodating groove is formed in the inner bottom surface of the connecting seat, a multi-angle damping mechanism is arranged in the accommodating groove, the multi-angle damping mechanism comprises a central plate, six sliding rods and six first supporting rods, the central plate is arranged in the center of the accommodating groove, six sliding grooves are uniformly formed in the side wall of the accommodating groove, the six sliding rods are respectively and slidably connected in the six sliding grooves, one end of each of the six supporting rods is respectively and uniformly hinged to the side wall of the central plate, the other end of each of the six supporting rods is respectively hinged to the outer ends of the six sliding rods, and springs are arranged in the six sliding grooves. According to the invention, the central plate horizontally moves in the accommodating groove, so that the six springs I are respectively stretched and compressed to offset the horizontal shock force, the multi-angle offset is realized, the shock absorption effect is better, and the reaction time is faster.
Description
Technical Field
The invention relates to the technical field of steel bridge construction, in particular to an anti-seismic control structure for steel bridge construction and a use method thereof.
Background
Steel bridges are bridges using steel as the main building material. The steel bridge has the characteristics of high strength and high rigidity, can reduce beam height and dead weight relative to a concrete bridge, has uniform texture and high elastic modulus due to isotropy of steel, enables the working condition of the bridge to be more consistent with the assumption of calculation and illustration, and is generally prefabricated by a factory, spliced on a construction site, short in construction period, convenient to process and free from seasonal influence.
At present, the existing anti-seismic control structure for steel bridge construction still has the defect that the anti-seismic direction of the existing anti-seismic control structure for steel bridge construction is limited, multi-angle anti-seismic cannot be realized, so that the anti-seismic effect is poor, and meanwhile, the existing anti-seismic mechanism is too complex and the construction cost is high.
Disclosure of Invention
The invention aims at: in order to solve the problems, an anti-seismic control structure for steel bridge construction and a use method thereof are provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a steel bridge is built with antidetonation prevention and control structure, includes base and supporting seat, be provided with the connecting seat between base and the supporting seat, the holding tank has been seted up to the inside bottom surface of connecting seat, be provided with multi-angle damper in the holding tank, multi-angle damper is including the center plate, six slide bars and six branch one, the center plate sets up in the holding tank center, six spouts have evenly been seted up to the holding tank lateral wall, six slide bars sliding connection respectively in six spouts are inside, six a branch end evenly articulates respectively in the lateral wall of center plate, six the other end of branch one articulates respectively in the outer end of six slide bars, six the inside spring one that is provided with of spout, the both ends of spring one are fixed connection respectively in the bottom surface of spout bottom surface and the bottom surface of slide bar.
Preferably, the conical groove is formed in the center of the upper surface of the connecting seat, the movable seat is connected in the conical groove in a sliding mode, the upper surface of the central plate is hinged with a connecting rod through a universal joint, and the upper end of the connecting rod is hinged to the center of the bottom surface of the movable seat through the universal joint.
Preferably, the center of the upper surface of the base is provided with a hollow groove, and the connecting seat is slidably connected inside the hollow groove.
Preferably, the buffer mechanism is arranged in the empty slot and comprises two fixing rods, a plurality of sliding blocks and a plurality of second supporting rods, the two fixing rods are respectively fixedly connected to the two longitudinal sides of the bottom surface of the empty slot, the sliding blocks are respectively and slidably sleeved on the two transverse sides of the two fixing rods, the two bottom ends of the supporting rods are respectively hinged to the upper surfaces of the sliding blocks, the two upper ends of the supporting rods are respectively hinged to the two longitudinal sides of the bottom surface of the connecting seat, the surfaces of the fixing rods are sleeved with springs II, and the two ends of each spring II are respectively and fixedly connected to the opposite surfaces of the two sliding blocks.
Preferably, the fixing columns are fixedly connected to two lateral sides of the bottom surface of the empty groove, the upper surface of each fixing column is provided with a groove, the inside of each groove is slidably connected with a connecting column, a spring III is arranged in each groove, and two ends of each spring III are respectively and fixedly connected to the bottom surface of each groove and the bottom surface of each connecting column.
Preferably, the fixed slot has been seted up at removal seat upper surface center, the inside fixedly connected with nylon board of fixed slot, nylon board upper surface slip is provided with the steel sheet, steel sheet fixed connection is in the bottom surface center of supporting seat.
Preferably, the movable seat is in the shape of a spherical cap.
Preferably, the nylon plate is made of polytetrafluoroethylene material.
The application method of the anti-seismic prevention and control structure for steel bridge construction comprises the following steps:
step one, fixedly connecting the base to the upper surface of a bridge pier, and fixedly connecting the supporting seat to the bottom surface of a bridge body;
step two, when the bridge body generates horizontal vibration, the multi-angle damping mechanism in the accommodating groove can counteract the horizontal vibration force;
and thirdly, when the bridge body generates vertical vibration, the buffer mechanism in the empty groove can buffer vertical impact force.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. in this application, when moving the seat and producing the slip in the conical tank inside, the center plate upper surface articulates through the universal joint has the connecting rod, the connecting rod upper end articulates in moving seat bottom surface center through the universal joint, so drive the center plate at the inside horizontal migration of holding tank, when center plate moves to the arbitrary direction of level, six branch one-to-one ends are evenly articulated in the lateral wall of center plate respectively, the other end of six branch one articulates in the outer end of six slide bars respectively, so the homonymy branch is driven the slide bar and is moved to the spout inside, the opposite side branch is first to drive the slide bar and is moved to the spout outside, the spring of homonymy begins the compression, the spring of opposite side begins to elongate, offset horizontal vibration power under the effect of spring one, make six spring one tensile respectively with the compression at the inside horizontal migration of holding tank through the center plate, thereby offset horizontal vibration power, the multi-angle offsets simultaneously, the shock attenuation effect is better, reaction time is faster.
2. In this application, when the bridge received vertical pressure, connecting seat sliding connection in the empty slot inside, the connecting seat slides to the empty slot inside, a plurality of sliders are sliding respectively cup jointed in two dead lever horizontal both sides, a plurality of second bottom of branch articulates respectively in the upper surface of a plurality of sliders, a plurality of second upper ends of branch articulate respectively in the vertical both sides in connecting seat bottom surface, when the connecting seat descends, the upper end of second branch descends thereupon, the lower extreme of second branch drives the slider and moves outside the dead lever surface, thereby the spring is two tensile buffering vertical pressure this moment, drive the spliced pole simultaneously when the connecting seat descends to the recess inside remove, thereby the spring is three compressed buffering pressure this moment, through spring one and spring two buffering vertical pressure, bridge life has been improved.
Drawings
Fig. 1 shows a schematic diagram of an overall structure of an anti-seismic and anti-control structure for steel bridge construction according to an embodiment of the invention;
fig. 2 shows a schematic diagram of an explosion structure of an anti-seismic and control structure for steel bridge construction according to an embodiment of the invention;
fig. 3 is a schematic diagram showing an internal structure of a connection seat according to an embodiment of the present invention;
FIG. 4 shows a schematic view of the internal structure of a base provided according to an embodiment of the present invention;
fig. 5 is a schematic diagram showing a connection structure of a connection seat and a movable seat according to an embodiment of the present invention.
Legend description:
1. a base; 101. a hollow groove; 2. a connecting seat; 201. a conical groove; 202. a receiving groove; 203. a chute; 3. a movable seat; 301. a fixing groove; 4. a nylon plate; 5. a steel plate; 6. a support base; 7. a center plate; 8. a slide bar; 9. a first supporting rod; 10. a first spring; 11. a fixed rod; 12. a slide block; 13. a second supporting rod; 14. a second spring; 15. fixing the column; 1501. a groove; 16. a connecting column; 17. a third spring; 18. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a steel bridge is built with antidetonation prevention and control structure, including base 1 and supporting seat 6, be provided with connecting seat 2 between base 1 and the supporting seat 6, the holding tank 202 has been seted up to the inside bottom surface of connecting seat 2, be provided with multi-angle damper in the holding tank 202, multi-angle damper is including the center plate 7, six slide bars 8 and six branch first 9, center plate 7 sets up in the holding tank 202 center, six spouts 203 have evenly been seted up to holding tank 202 lateral wall, six slide bars 8 sliding connection respectively in six spout 203 inside, six branch first 9 one end evenly articulate respectively in the lateral wall of center plate 7, the other end of six branch first 9 articulates respectively in the outer end of six slide bars 8, six spout 203 inside is provided with first spring 10, the both ends of first spring 10 are fixed connection respectively in spout 203 bottom surface and the bottom surface of slide bar 8.
Specifically, as shown in fig. 5, a conical groove 201 is formed in the center of the upper surface of the connecting seat 2, the movable seat 3 is slidably connected in the conical groove 201, a connecting rod 18 is hinged to the upper surface of the central plate 7 through a universal joint, and the upper end of the connecting rod 18 is hinged to the center of the bottom surface of the movable seat 3 through the universal joint.
When the movable seat 3 slides in the conical groove 201, the upper surface of the central plate 7 is hinged with a connecting rod 18 through a universal joint, the upper end of the connecting rod 18 is hinged with the center of the bottom surface of the movable seat 3 through the universal joint, so that the central plate 7 is driven to horizontally move in the accommodating groove 202, when the central plate 7 moves in any horizontal direction, one ends of the six first support rods 9 are respectively and uniformly hinged with the side walls of the central plate 7, the other ends of the six first support rods 9 are respectively hinged with the outer ends of the six sliding rods 8, so that the first support rods 9 on the same side drive the sliding rods 8 to move towards the inside of the sliding grooves 203, the first support rods 9 on the opposite side drive the sliding rods 8 to move towards the outside of the sliding grooves 203, the first springs 10 on the same side start to compress, the second springs 10 on the opposite side start to stretch, and the horizontal vibration force is counteracted under the action of the first springs 10.
Specifically, as shown in fig. 3, a hollow groove 101 is formed in the center of the upper surface of the base 1, and the connection seat 2 is slidably connected inside the hollow groove 101.
Specifically, as shown in fig. 3, a buffer mechanism is disposed in the hollow groove 101, the buffer mechanism includes two fixing rods 11, a plurality of sliding blocks 12 and a plurality of second supporting rods 13, the two fixing rods 11 are respectively fixedly connected to two longitudinal sides of the bottom surface of the hollow groove 101, the plurality of sliding blocks 12 are respectively and slidably sleeved on two transverse sides of the two fixing rods 11, bottom ends of the plurality of second supporting rods 13 are respectively hinged to upper surfaces of the plurality of sliding blocks 12, upper ends of the plurality of second supporting rods 13 are respectively hinged to two longitudinal sides of the bottom surface of the connecting seat 2, a second spring 14 is sleeved on the surface of the fixing rod 11, and two ends of the second spring 14 are respectively and fixedly connected to opposite surfaces of the two sliding blocks 12.
When the bridge body receives vertical pressure, the connecting seat 2 is in sliding connection with the inside of the empty groove 101, the connecting seat 2 slides towards the inside of the empty groove 101, the sliding blocks 12 are respectively sleeved on the two lateral sides of the two fixing rods 11 in a sliding manner, the bottom ends of the supporting rods II 13 are respectively hinged to the upper surfaces of the sliding blocks 12, the upper ends of the supporting rods II 13 are respectively hinged to the two longitudinal sides of the bottom surface of the connecting seat 2, when the connecting seat 2 descends, the upper ends of the supporting rods II 13 descend along with the connecting seat 2, the lower ends of the supporting rods II 13 drive the sliding blocks 12 to move outwards on the surfaces of the fixing rods 11, and at the moment, the springs II 14 stretch to buffer the vertical pressure.
Specifically, as shown in fig. 3, the two lateral sides of the bottom surface of the hollow groove 101 are fixedly connected with fixing columns 15, the upper surface of each fixing column 15 is provided with a groove 1501, the inside of each groove 1501 is slidably connected with a connecting column 16, a spring III 17 is arranged in each groove 1501, and two ends of each spring III 17 are respectively and fixedly connected with the bottom surface of each groove 1501 and the bottom surface of each connecting column 16.
When the connecting seat 2 descends, the connecting column 16 is driven to move towards the inside of the groove 1501, and the spring III 17 is compressed to buffer the pressure.
Specifically, as shown in fig. 2, a fixing groove 301 is formed in the center of the upper surface of the movable seat 3, a nylon plate 4 is fixedly connected inside the fixing groove 301, a steel plate 5 is slidably arranged on the upper surface of the nylon plate 4, and the steel plate 5 is fixedly connected to the center of the bottom surface of the supporting seat 6.
Specifically, as shown in fig. 3, the movable seat 3 is in the shape of a spherical cap.
Specifically, as shown in fig. 3, the nylon plate 4 is made of polytetrafluoroethylene material, so that the movement is smoother.
Specifically, as shown in fig. 3, a method for using the anti-seismic control structure for steel bridge construction comprises the following steps:
step one, fixedly connecting a base 1 to the upper surface of a bridge pier, and fixedly connecting a supporting seat 6 to the bottom surface of a bridge body;
step two, when the bridge body generates horizontal vibration, the multi-angle damping mechanism in the accommodating groove 202 can counteract the horizontal vibration force;
step three, when the bridge body generates vertical vibration, the buffer mechanism inside the empty slot 101 can buffer the vertical impact force.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a steel bridge is built with antidetonation prevention and control structure, includes base (1) and supporting seat (6), its characterized in that, be provided with connecting seat (2) between base (1) and supporting seat (6), holding tank (202) have been seted up to connecting seat (2) inside bottom surface, be provided with multi-angle damper in holding tank (202), multi-angle damper is including center board (7), six slide bar (8) and six branch (9), center board (7) set up in holding tank (202) center, six spout (203) have evenly been seted up to holding tank (202) lateral wall, six slide bar (8) sliding connection respectively in six spout (203) insides, six branch (9) one end respectively evenly articulate in the lateral wall of center board (7), six branch one (9) the other end respectively articulate in the outer end of six slide bar (8), six spout (203) inside is provided with spring one (10), the both ends of spring one (10) are respectively fixed connection in spout (203) bottom surface and slide bar (203),
the center of the upper surface of the connecting seat (2) is provided with a conical groove (201), the inside of the conical groove (201) is connected with the movable seat (3) in a sliding way, the upper surface of the central plate (7) is hinged with a connecting rod (18) through a universal joint, the upper end of the connecting rod (18) is hinged with the center of the bottom surface of the movable seat (3) through the universal joint,
the base (1) upper surface center has seted up empty slot (101), connecting seat (2) sliding connection is in empty slot (101) inside.
2. The anti-seismic prevention and control structure for steel bridge construction according to claim 1, wherein the hollow groove (101) is internally provided with a buffer mechanism, the buffer mechanism comprises two fixing rods (11), a plurality of sliding blocks (12) and a plurality of second supporting rods (13), the two fixing rods (11) are respectively fixedly connected to the two longitudinal sides of the bottom surface of the hollow groove (101), the sliding blocks (12) are respectively sleeved on the two transverse sides of the two fixing rods (11) in a sliding manner, the bottom ends of the second supporting rods (13) are respectively hinged to the upper surfaces of the sliding blocks (12), the upper ends of the second supporting rods (13) are respectively hinged to the two longitudinal sides of the bottom surface of the connecting seat (2), the surfaces of the fixing rods (11) are sleeved with second springs (14), and the two ends of each second spring (14) are respectively fixedly connected to the opposite surfaces of the two sliding blocks (12).
3. The anti-seismic prevention and control structure for steel bridge construction according to claim 2, wherein the fixing columns (15) are fixedly connected to two lateral sides of the bottom surface of the hollow groove (101), the grooves (1501) are formed in the upper surfaces of the fixing columns (15), the connecting columns (16) are slidably connected to the inside of the grooves (1501), the springs (17) are arranged inside the grooves (1501), and two ends of each spring (17) are fixedly connected to the bottom surface of the corresponding groove (1501) and the bottom surface of the corresponding connecting column (16).
4. The anti-seismic prevention and control structure for steel bridge construction according to claim 1, wherein a fixing groove (301) is formed in the center of the upper surface of the movable seat (3), a nylon plate (4) is fixedly connected inside the fixing groove (301), a steel plate (5) is slidably arranged on the upper surface of the nylon plate (4), and the steel plate (5) is fixedly connected to the center of the bottom surface of the supporting seat (6).
5. Earthquake-proof control structure for steel bridge construction according to claim 1, characterized in that the mobile seat (3) is in the form of a spherical cap.
6. The earthquake-proof and control structure for steel bridge construction according to claim 4, wherein the nylon plate (4) is made of polytetrafluoroethylene material.
7. The method for using the anti-seismic control structure for steel bridge construction according to claim 1, characterized in that said method for using comprises the following steps:
step one, fixedly connecting the base (1) to the upper surface of a bridge pier, and fixedly connecting the supporting seat (6) to the bottom surface of a bridge body;
step two, when the bridge body generates horizontal vibration, the multi-angle damping mechanism in the accommodating groove (202) can counteract the horizontal vibration force;
and thirdly, when the bridge body generates vertical vibration, the buffer mechanism in the empty groove (101) can buffer the vertical impact force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047569.8A CN114277675B (en) | 2022-01-17 | 2022-01-17 | Anti-seismic prevention and control structure for steel bridge construction and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047569.8A CN114277675B (en) | 2022-01-17 | 2022-01-17 | Anti-seismic prevention and control structure for steel bridge construction and application method thereof |
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| Publication Number | Publication Date |
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| CN114277675A CN114277675A (en) | 2022-04-05 |
| CN114277675B true CN114277675B (en) | 2024-04-09 |
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| CN202210047569.8A Active CN114277675B (en) | 2022-01-17 | 2022-01-17 | Anti-seismic prevention and control structure for steel bridge construction and application method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2672314A1 (en) * | 2009-07-15 | 2011-01-15 | Haisam Yakoub | Seismic controller for friction bearing isolated structures |
| CN203782881U (en) * | 2014-04-18 | 2014-08-20 | 北京建筑大学 | Shock insulation support |
| CN110965462A (en) * | 2019-11-25 | 2020-04-07 | 中南大学 | Shock absorption and isolation support with air damping pipe |
| CN214005388U (en) * | 2020-10-16 | 2021-08-20 | 房振华 | Road and bridge support of moving away to avoid possible earthquakes based on bridge security performance |
| CN214245340U (en) * | 2020-12-22 | 2021-09-21 | 薛春安 | Public road bridge roof beam support of moving away to avoid possible earthquakes based on bridge security performance |
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
| CN215330646U (en) * | 2021-06-08 | 2021-12-28 | 武春雷 | Shockproof structure for shockproof building structure |
| CN215441422U (en) * | 2021-08-14 | 2022-01-07 | 胡美 | Damping support for bridge design |
-
2022
- 2022-01-17 CN CN202210047569.8A patent/CN114277675B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2672314A1 (en) * | 2009-07-15 | 2011-01-15 | Haisam Yakoub | Seismic controller for friction bearing isolated structures |
| CN203782881U (en) * | 2014-04-18 | 2014-08-20 | 北京建筑大学 | Shock insulation support |
| CN110965462A (en) * | 2019-11-25 | 2020-04-07 | 中南大学 | Shock absorption and isolation support with air damping pipe |
| CN214005388U (en) * | 2020-10-16 | 2021-08-20 | 房振华 | Road and bridge support of moving away to avoid possible earthquakes based on bridge security performance |
| CN214245340U (en) * | 2020-12-22 | 2021-09-21 | 薛春安 | Public road bridge roof beam support of moving away to avoid possible earthquakes based on bridge security performance |
| CN215330646U (en) * | 2021-06-08 | 2021-12-28 | 武春雷 | Shockproof structure for shockproof building structure |
| CN215441422U (en) * | 2021-08-14 | 2022-01-07 | 胡美 | Damping support for bridge design |
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
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| CN114277675A (en) | 2022-04-05 |
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Effective date of registration: 20240313 Address after: No. 3, Huayi Road, Wangzhuang Industrial Park, Qufu City, Jining City, Shandong Province 273100 Applicant after: Qufu Huayi Heavy Industry Co.,Ltd. Country or region after: China Address before: No. 794, Huanghe Road, Shahekou District, Dalian City, Liaoning Province Applicant before: Dalian Jiaotong University Country or region before: China |
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