CN110284444B - Safety anti-collision device on highway bridge - Google Patents
Safety anti-collision device on highway bridge Download PDFInfo
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- CN110284444B CN110284444B CN201910602013.9A CN201910602013A CN110284444B CN 110284444 B CN110284444 B CN 110284444B CN 201910602013 A CN201910602013 A CN 201910602013A CN 110284444 B CN110284444 B CN 110284444B
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- collision
- plate
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- 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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/141—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands for column or post protection
Abstract
The invention discloses a safety anti-collision device on a highway bridge, which relates to the field of highway bridge equipment and comprises an anti-collision plate, wherein the anti-collision plate is in a rectangular plate-shaped structure, mounting plates are fixedly welded at the upper end and the lower end of the anti-collision plate, the mounting plates are in the rectangular plate-shaped structure, anti-collision wheels are arranged between the upper mounting plate and the lower mounting plate, and the anti-collision wheels are movably sleeved on a support shaft. The anti-collision plates are arranged on two sides of the highway bridge, anti-collision protection is carried out through the anti-collision wheels arranged on the anti-collision plates, when a vehicle collides with the anti-collision wheels, the anti-collision wheels rotate, and the anti-collision device has a guiding and buffering effect and improves safety; the rubber sleeve is sleeved on the surface of the anti-collision wheel, so that the anti-collision wheel has a further buffer anti-collision effect, has higher protection performance on highway bridges and vehicles, and has strong practicability.
Description
Technical Field
The invention relates to the field of highway bridge equipment, in particular to a safety anti-collision device on a highway bridge.
Background
The highway bridges comprise bridges and highways on the water surface and highway bridges used as medium and high racks in cities, play a role in dredging traffic and avoiding traffic congestion, but are often higher in arrangement.
A road bridge installation is an installation intended for use on a road bridge, wherein the road bridge lacks a safety bump guard. In addition, in the prior patent documents such as CN102080632A, CN2886288Y, CN207672480U, CN106812091A, and CN207003319U, etc., although methods for guiding the vehicle to rotate during impact to buffer the vehicle are disclosed, the implementation structures of the methods are all realized by the rotation of a cylindrical rod-shaped anti-collision body on a fixed object or the movement rotation of a self-guiding structure, so that the clamping stagnation during the rotation process is easy to occur, and the rotation can be realized only by the movement guiding structure of the rotating structure itself and at least a plurality of continuous settings.
Therefore, it is necessary to provide a safety collision prevention device for a road bridge to solve the above problems.
Disclosure of Invention
The invention aims to provide a safety anti-collision device on a highway bridge, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a safe buffer stop on public road bridge roof beam, includes the anticollision board, the anticollision board is rectangle platelike structure, and the equal fixed welding in upper and lower both ends of anticollision board has the mounting panel, the mounting panel is rectangle platelike structure, is provided with the anticollision wheel between two sets of mounting panels from top to bottom, anticollision wheel movable sleeve is established on the back shaft, the back shaft is cylindrical structure activity and passes two sets of mounting panel settings from top to bottom, the end position that the back shaft passed the mounting panel is connected with back shaft stop nut through screw-thread fit, the outer lane department cover of anticollision wheel is equipped with the rubber sleeve.
Preferably, the mounting panel is kept away from the fixed welding of one side rear end of crashproof board and is had the connecting plate, the connecting plate is rectangle platelike structure, and the surface of connecting plate is provided with three groups and reserves the screw hole.
Preferably, the inner circle department of rubber sleeve is circular array form and is provided with the multiunit spacing groove, the outer lane department an organic whole of anticollision wheel is provided with the multiunit and is the spacing strip that circular array form distributes, when the rubber sleeve cover was established in anticollision wheel outer lane department, corresponding spacing strip matches the block in corresponding spacing groove.
Preferably, the cross section of the limiting groove is of a semicircular strip groove body structure, the length of the limiting groove is consistent with the height of the rubber sleeve, and the cross section of the limiting strip is of a semicircular strip structure.
Preferably, a rubber pad is fixedly arranged on the rear side surface of the anti-collision plate, a plurality of groups of anti-slip grooves are distributed on the upper and lower surfaces of the rear end of the rubber pad, the anti-slip grooves are of groove body structures with semicircular cross sections, and three corresponding through holes are formed in the rubber pad corresponding to the three groups of reserved threaded holes.
Preferably, the one side that the mounting panel is close to the crashproof wheel is provided with inlays the groove, it is the setting of arc cell body structure to inlay the groove, is that the equidistance distributes on every group mounting panel and inlays the groove in four groups.
Preferably, inlay the groove in the activity and be provided with the live-rollers, the live-rollers movable sleeve is established on the loose axle, the fixed welding in the surface of anticollision board in the rear end of loose axle, the front end of loose axle is connected with loose axle limit nut through screw-thread fit, loose axle limit nut activity laminating is on the front end surface of live-rollers, the front end surface of live-axles and the front end surface looks parallel and level of mounting panel, and upper and lower two sets of live-rollers are the movable laminating respectively on the upper and lower surface of anticollision wheel, are provided with a plurality of spring mounting holes on one of two lateral part surfaces that the vertical direction of anticollision board extends, are provided with the couple in this mounting hole, and another lateral part corresponds the mounting hole on the surface and is provided with a plurality of springs.
Preferably, the front end of the anti-collision wheel protrudes out of the front end surface of the mounting plate by ten centimeters, and the anti-collision wheel is made of a polytetrafluoroethylene member.
The invention has the technical effects and advantages that:
1. in order to prevent the upper part and the lower part of the anti-collision wheel from being blocked, the upper part and the lower part of the anti-collision wheel are respectively provided with a rotating roller for guiding the auxiliary anti-collision wheel to rotate, so that the normal and smooth rotation of the anti-collision wheel is ensured.
2. The anti-collision plates are arranged on two sides of the highway bridge, anti-collision protection is carried out through the anti-collision wheels arranged on the anti-collision plates, when a vehicle collides with the anti-collision wheels, the anti-collision wheels rotate, and the anti-collision device has a guiding and buffering effect and improves safety;
3. the rubber sleeve is sleeved on the surface of the anti-collision wheel, so that the anti-collision wheel has a further buffer anti-collision effect, has higher protection performance on highway bridges and vehicles, and has strong practicability;
4. according to the anti-collision device, multiple mounting modes are arranged, wherein the two bridge deck railings which face back are arranged in a group, so that the anti-collision structure can rotate inside the anti-collision structure without clamping stagnation, and meanwhile, the whole anti-collision device can not be clamped stagnation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the backside structure of the present invention.
Fig. 3 is a front view of the present invention.
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention.
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3 in accordance with the present invention.
In the figure: 1. an anti-collision plate; 2. an anti-collision wheel; 3. a rubber sleeve; 4. a limiting groove; 5. a limiting strip; 6. a support shaft; 7. a support shaft limit nut; 8. a connecting plate; 9. reserving a threaded hole; 10. mounting a plate; 11. a rubber pad; 12. an anti-slip groove; 13. a rotating roller; 14. a movable shaft limit nut; 15. a movable shaft; 16. and (5) embedding the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a safety anti-collision device on a highway bridge, which comprises an anti-collision plate 1 and is characterized in that: the anti-collision plate 1 is of a rectangular plate-shaped structure, mounting plates 10 are fixedly welded at the upper end and the lower end of the anti-collision plate 1, the mounting plates 10 are of a rectangular plate-shaped structure, a connecting plate 8 is fixedly welded at the rear end of one surface, away from the anti-collision plate 1, of the mounting plates 10, the connecting plate 8 is of a rectangular plate-shaped structure, and three groups of reserved threaded holes 9 are formed in the surface of the connecting plate 8; the anti-collision wheel 2 is arranged between the upper mounting plate 10 and the lower mounting plate 10, the anti-collision wheel 2 is movably sleeved on the supporting shaft 6, the supporting shaft 6 is movably arranged in a cylindrical structure and penetrates through the upper mounting plate 10 and the lower mounting plate 10, the end part of the supporting shaft 6 penetrating through the mounting plates 10 is connected with a supporting shaft limiting nut 7 through thread fit, the supporting shaft limiting nut 7 has the function of limiting the supporting shaft 6 not to fall off, the anti-collision wheel 2 can be normally mounted, and the outer ring of the anti-collision wheel 2 is sleeved with the rubber sleeve 3; the anti-collision wheel is characterized in that a rubber sleeve 3 is sleeved at the outer ring of the anti-collision wheel 2, a plurality of groups of limiting grooves 4 are arranged at the inner ring of the rubber sleeve 3 in a circular array manner, a plurality of groups of limiting strips 5 distributed in a circular array manner are integrally arranged at the outer ring of the anti-collision wheel 2, when the rubber sleeve 3 is sleeved at the outer ring of the anti-collision wheel 2, the corresponding limiting strips 5 are matched and clamped in the corresponding limiting grooves 4, the limiting grooves 4 are of a strip-shaped groove body structure with semicircular cross sections, the length of the limiting grooves 4 is consistent with the height of the rubber sleeve 3, the limiting strips 5 are of a strip-shaped structure with semicircular cross sections, a rubber pad 11 is fixedly arranged on the rear side surface of the anti-collision plate 1, a plurality of groups of anti-slip grooves 12 are distributed above and below the rear end surface of the rubber pad 11, three corresponding through holes are reserved on the rubber pad 11 corresponding to the three groups of threaded holes 9, and a plurality of spring mounting holes are arranged on one of two lateral surface of the anti-collision plate 1 extending in the vertical direction, a hook is arranged in the mounting hole, and a plurality of springs are arranged on the surface of the other side part corresponding to the mounting hole;
one surface of the mounting plate 10, which is close to the anti-collision wheel 2, is provided with an embedding groove 16, the embedding grooves 16 are arranged in an arc groove body structure, and four groups of embedding grooves 16 are distributed on each group of mounting plates 10 at equal intervals; inlay the activity in the groove 16 and be provided with live-rollers 13, live-rollers 13 movable sleeve is established on loose axle 15, the fixed welding in the surface of crashproof board 1 in rear end of loose axle 15, the front end of loose axle 15 is connected with loose axle limit nut 14 through screw-thread fit, the laminating of loose axle limit nut 14 activity is on the front end surface of live-rollers 13, the front end surface of loose axle 15 and the front end surface parallel and level of mounting panel 10, upper and lower two sets of live-rollers 13 respectively the activity laminating on the upper and lower surface of crashproof wheel 2.
Further, the anti-slip groove 12 is of a groove body structure with a semicircular section.
Further, the front end of the crash wheel 2 protrudes ten centimeters from the front end surface of the mounting plate 10, and the crash wheel 2 is made of a teflon member.
The fixed welding of mounting panel 10 one side rear end of keeping away from crashproof board 1 has connecting plate 8, and connecting plate 8 is rectangular platelike structure, and connecting plate 8's surface is provided with three groups and reserves screw hole 9, and connecting plate 8 passes three groups through the inflation screw and reserves screw hole 9 and install on public road bridge roof beam edge, simple to operate, and the structure is firm. Rubber sleeve 3 has the effect of shock attenuation buffering, and the rigid wearing and tearing that produce when avoiding striking crashproof wheel 2, the protectiveness is stronger, has increased the life of device. Spacing groove 4 and spacing 5 match the setting in addition for rubber sleeve 3 is convenient for install on crashproof wheel 2, and rubber sleeve 3 is convenient for change and maintain.
The fixed rubber pad 11 that is provided with of rear side surface of anticollision board 1, the rear end surface of rubber pad 11 distributes from top to bottom has multiunit antiskid groove 12, and antiskid groove 12 cross-section is semicircular cell body structure, and antiskid groove 12 has increased the antiskid nature of rubber pad 11, and when rubber pad 11 was extruded, antiskid groove 12 also had certain deformation supplementary effect, has increased the steadiness when anticollision board 1 was installed, and rubber pad 11 still has certain cushioning shock-absorbing effect.
The movable roller 13 is movably arranged in the embedding groove 16, the movable sleeve of the movable roller 13 is arranged on the movable shaft 15, the rear end of the movable shaft 15 is fixedly welded on the surface of the anti-collision plate 1, the front end of the movable shaft 15 is connected with a movable shaft limit nut 14 through thread fit, the movable shaft limit nut 14 plays a role in limiting the movable roller 13, the movable roller 13 is prevented from falling off, the movable shaft limit nut 14 is movably attached to the front end surface of the movable roller 13, the front end surface of the movable shaft 15 is flush with the front end surface of the mounting plate 10, it is guaranteed that a vehicle can only impact the rubber sleeve 3 on the surface of the anti-collision wheel 2, and the upper and lower groups of the movable rollers 13 are respectively movably attached to the upper and lower surfaces of the anti-collision wheel 2. The front end of the anti-collision wheel 2 protrudes out of the front end surface ten centimeters of the mounting plate 10, the anti-collision wheel 2 is made of a polytetrafluoroethylene member, the service life of the anti-collision wheel 2 is long, corresponding performances such as anti-abrasion performance, corrosion resistance, high temperature resistance and the like are improved, the material is light, the strength is high, and a good anti-collision effect is achieved.
The working principle of the invention is as follows: when using, install crashproof board 1 on the highway bridge inside wall through upper and lower connecting plate 8, crashproof wheel 2 is installed between upper and lower two sets of mounting panels 10 through back shaft 6, live-rollers 13 are installed on the loose axle 15 of inlaying in groove 16, when the vehicle takes place accident and strikes highway bridge side, can hit crashproof wheel 2 on, crashproof wheel 2 receives the impulsive force effect to rotate, lead to and cushion the vehicle, good guard action has been played, to avoid crashproof wheel 2 to extrude from top to bottom tight, be provided with the live-rollers 13 that can rotate on loose axle 15 from top to bottom at crashproof wheel 2, make crashproof wheel 2 can normally rotate, can not appear blocking the phenomenon.
In addition, when large-area laying is carried out, the springs on the side part of one of the two anti-collision plates 1 and the hooks in the mounting holes of the other anti-collision plate can be connected with each other, so that the two anti-collision plates are connected end to end, and have certain pre-tightening pressure after being mounted and debugged.
In order to further improve the anti-blocking capacity, can be when above-mentioned single anticollision board installation or mat formation according to the area, all can constitute a set of with two anticollision boards 1 back of the body installation back of the body, specifically do: wherein two anticollision boards 1's rubber pad 11 is pressed close to each other, and be an organic whole through the installation of the through-hole bolt on reserved screw hole 9 and the rubber pad 11, then with the back shaft stop nut 7 or the back shaft 6 on one of them anticollision board 1 hang on the guardrail of bridge through the rotatable metal rod that has the lantern ring, thereby still make whole buffer stop device also can not take place the jamming when realizing crashproof structure self inside rotation, should rotate the lantern ring of metal rod when the striking in addition and also make the whole slidable of buffer stop device and still restrict certain distance simultaneously at back shaft stop nut 7 or the rotation of back shaft 6, make whole earlier when striking slide through the crashproof wheel 2 guide on one of them anticollision board, then take place the inside crashproof wheel 2's of another anticollision board slip when the metal rod rotates the limit.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a safe buffer stop on public road bridge roof beam, includes crashproof board (1), its characterized in that: the anti-collision plate (1) is of a rectangular plate-shaped structure, mounting plates (10) are fixedly welded at the upper end and the lower end of the anti-collision plate (1), the mounting plates (10) are of a rectangular plate-shaped structure, a connecting plate (8) is fixedly welded at the rear end of one surface, close to the anti-collision plate (1), of the mounting plates (10), the connecting plate (8) is of a rectangular plate-shaped structure, and three groups of reserved threaded holes (9) are formed in the surface of the connecting plate (8); the anti-collision wheel (2) is arranged between an upper mounting plate and a lower mounting plate (10), the anti-collision wheel (2) is movably sleeved on a support shaft (6), the support shaft (6) is of a cylindrical structure and movably penetrates through the upper mounting plate and the lower mounting plate (10), the end part of the support shaft (6) penetrating through the mounting plates (10) is connected with a support shaft limiting nut (7) through thread fit, a rubber sleeve (3) is sleeved at the outer ring of the anti-collision wheel (2), a plurality of groups of limiting grooves (4) are arranged at the inner ring of the rubber sleeve (3) in a circular array shape, a plurality of groups of limiting strips (5) distributed in a circular array shape are integrally arranged at the outer ring of the anti-collision wheel (2), when the rubber sleeve (3) is sleeved at the outer ring of the anti-collision wheel (2), the corresponding limiting strips (5) are matched and clamped in the corresponding limiting grooves (4), and the limiting grooves (4) are of a strip groove body structure with semicircular cross sections, the length of the limiting groove (4) is consistent with the height of the rubber sleeve (3). The limiting strip (5) is of a strip-shaped structure with a semicircular section, a rubber pad (11) is fixedly arranged on the rear side surface of the anti-collision plate (1), and three corresponding through holes are formed in the rubber pad (11) corresponding to the three groups of reserved threaded holes (9); a plurality of groups of anti-skidding grooves (12) are distributed on the upper and lower surfaces of the rear end surface of the rubber pad (11), a plurality of spring mounting holes are formed in one of the two side surface extending in the vertical direction of the anti-collision plate (1), hooks are arranged in the mounting holes, and a plurality of springs are arranged on the other side surface corresponding to the mounting holes;
one surface of the mounting plate (10) close to the anti-collision wheel (2) is provided with an embedding groove (16), the embedding grooves (16) are arranged in an arc groove body structure, and four groups of embedding grooves (16) are distributed on each mounting plate (10) at equal intervals; the movable anti-collision wheel is characterized in that a rotating roller (13) is movably arranged in the embedding groove (16), the rotating roller (13) is movably sleeved on a movable shaft (15), the rear end of the movable shaft (15) is fixedly welded on the surface of the anti-collision plate (1), the front end of the movable shaft (15) is connected with a movable shaft limiting nut (14) through threaded fit, the movable shaft limiting nut (14) is movably attached to the front end surface of the rotating roller (13), the front end surface of the movable shaft (15) is flush with the front end surface of the mounting plate (10), and the upper and lower groups of rotating rollers (13) are movably attached to the upper and lower surfaces of the anti-collision wheel (2) respectively;
when large-area laying is carried out, the spring on the side part of one of the two anti-collision plates is mutually connected with the hook in the mounting hole on the other anti-collision plate, so that the two anti-collision plates are connected end to end, and have certain pre-tightening pressure after mounting and debugging;
when according to the area mating formation, constitute a set of with two crashproof boards back of the body installation mutually, wherein the rubber pad of two crashproof boards is pressed close to each other to be integrative through the through-hole bolt installation on reservation screw hole and the rubber pad, then with the back shaft stop nut on one of them crashproof board or back shaft through the rotatable metal pole articulate on the guardrail of bridge that has the lantern ring.
2. The safety anti-collision device on the road bridge according to claim 1, characterized in that: the anti-skid groove (12) is of a groove body structure with a semicircular section.
3. A safety bump guard on a road bridge as claimed in claim 1 or claim 2, wherein: the front end of the anti-collision wheel (2) protrudes out of the front end surface of the mounting plate (1) by ten centimeters, and the anti-collision wheel (2) is made of a polytetrafluoroethylene member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602013.9A CN110284444B (en) | 2019-07-05 | 2019-07-05 | Safety anti-collision device on highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602013.9A CN110284444B (en) | 2019-07-05 | 2019-07-05 | Safety anti-collision device on highway bridge |
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| CN110284444A CN110284444A (en) | 2019-09-27 |
| CN110284444B true CN110284444B (en) | 2021-08-24 |
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| CN201910602013.9A Active CN110284444B (en) | 2019-07-05 | 2019-07-05 | Safety anti-collision device on highway bridge |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113914165B (en) * | 2021-10-25 | 2022-10-14 | 西安邮电大学 | Highway side direction bearing structure |
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| DE20119366U1 (en) * | 2001-11-28 | 2002-04-25 | Schaffer Leonard | Safety device for vehicle tunnels |
| CN103057717A (en) * | 2013-01-17 | 2013-04-24 | 韦荣全 | Modular deck with power rods |
| CN206438450U (en) * | 2017-01-17 | 2017-08-25 | 河南省交科公路勘察设计有限公司 | A kind of highway bridge pier anticollision device, collision-prevention device |
| CN107841947A (en) * | 2017-12-19 | 2018-03-27 | 成都知睿科技有限公司 | A kind of highway bridge anticollision device, collision-prevention device |
| CN208857674U (en) * | 2018-09-29 | 2019-05-14 | 佛山科学技术学院 | A kind of bridge anti-collision device that can weaken bridge pier vibration acceleration |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100386376B1 (en) * | 2000-03-24 | 2003-06-02 | 주식회사 거도산업 | Shock absorption stand for a road |
| CN207314143U (en) * | 2017-10-23 | 2018-05-04 | 刘伟 | A kind of highway bridge rolling-type anticollision device |
| CN208121638U (en) * | 2018-04-09 | 2018-11-20 | 张宏亮 | A kind of highway bridge anticollision device, collision-prevention device |
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2019
- 2019-07-05 CN CN201910602013.9A patent/CN110284444B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20119366U1 (en) * | 2001-11-28 | 2002-04-25 | Schaffer Leonard | Safety device for vehicle tunnels |
| CN103057717A (en) * | 2013-01-17 | 2013-04-24 | 韦荣全 | Modular deck with power rods |
| CN206438450U (en) * | 2017-01-17 | 2017-08-25 | 河南省交科公路勘察设计有限公司 | A kind of highway bridge pier anticollision device, collision-prevention device |
| CN107841947A (en) * | 2017-12-19 | 2018-03-27 | 成都知睿科技有限公司 | A kind of highway bridge anticollision device, collision-prevention device |
| CN208857674U (en) * | 2018-09-29 | 2019-05-14 | 佛山科学技术学院 | A kind of bridge anti-collision device that can weaken bridge pier vibration acceleration |
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Effective date of registration: 20230720 Address after: Room a5463, floor 1-2, No. 6397, Hutai Road, Baoshan District, Shanghai 201900 Patentee after: Shanghai Kunji Technology Group Co.,Ltd. Address before: No. 208, Luotang East Road, Luotang street, Jiangyan District, Taizhou City, Jiangsu Province 225300 Patentee before: Jiangsu Jinding Construction Group Co.,Ltd. |
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