CN202116982U - Synergy deformation railing system for flexible girder of bridge - Google Patents
Synergy deformation railing system for flexible girder of bridge Download PDFInfo
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- CN202116982U CN202116982U CN2011202097183U CN201120209718U CN202116982U CN 202116982 U CN202116982 U CN 202116982U CN 2011202097183 U CN2011202097183 U CN 2011202097183U CN 201120209718 U CN201120209718 U CN 201120209718U CN 202116982 U CN202116982 U CN 202116982U
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- railing
- longeron
- bridge
- main beam
- sliding sleeve
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Abstract
The utility model discloses a synergy deformation railing system for a flexible girder of a bridge, which comprises guardrail structures respectively distributed on the left side and the right side of a girder of the bridge. Each guardrail structure comprises a plurality of railing stand columns distributed on the girder of the bridge along the bridge direction, a plurality of railing vertical bars distributed between two adjacent railing stand columns, railing upper longitudinal beams and railing lower longitudinal beams, wherein railing upper longitudinal beams and railing lower longitudinal beams are fixed between two adjacent railing stand columns. Railing vertical bars are arranged between railing upper longitudinal beams and railing lower longitudinal beams. Bottoms of railing stand columns can be connected with the girder of the bridge through deformable connection devices capable of synchronically deforming with the girder of the bridge. Tops of railing stand columns are provided with sliding sleeves for installing railing upper longitudinal beams and arranged in coaxial mode with railing upper longitudinal beams, one ends of sliding sleeves are fixed ends, and the other ends of sliding sleeves are free ends. The synergy deformation railing system for the flexible girder of the bridge is simple in structure, reasonable in design, convenient to construct, lower in investment cost, good in using effect and capable of synchronically deforming with the girder of the bridge and resolving the problem that when the flexible girder deforms seriously, railings are prone to be damaged.
Description
Technical field
The utility model relates to a kind of Bridge guardrail, especially relates to the flexible girder cooperative transformation of a kind of bridge railing system.
Background technology
For girder is the suspension bridge (being flexible girder suspension bridge) of flexible beam, and when girder teetertottered in the effect bottom of vehicular load, the member on girder top and the destructiveness of itself were quite serious.Existing nowadays the guardrail of being installed on the flexible girder all adopts mostly is can not be with the main beam deformation corresponding fixed railing that compliance is out of shape that carries out, and is between each assembly in the guardrail to be rigidly connected.Thereby in the actual use; When girder teetertotters and girder when producing moderate finite deformation; The guardrail that is fixedly mounted on top, the girder left and right sides can not carry out the compliance distortion with girder, thereby very easily damages, and has a strong impact on the application life and the security performance of flexible bridge.
The utility model content
The utility model technical problem to be solved is to above-mentioned deficiency of the prior art; The flexible girder cooperative transformation of a kind of bridge railing system is provided; It is simple in structure, reasonable in design, easy construction and input cost is low, result of use is good; Can be out of shape the impaired problem of railing when efficiently solving flexible girder generation moderate finite deformation with bridge main beam synchronously.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: the flexible girder cooperative transformation of a kind of bridge railing system; It is characterized in that: comprise that two structures are all identical with size and be laid in the guard bar structure of the bridge main beam left and right sides respectively, two said guard bar structures comprise the left side guard bar structure and the right side guard bar structure that is laid in said bridge main beam right side that is laid in said bridge main beam left side; Two said guard bar structures include along bridge to be laid in a plurality of railing posts on the said bridge main beam, along bridge before and after being laid in a plurality of railing montants between adjacent two railing posts and be separately fixed at before and after longeron under longeron and the railing on the railing between adjacent two railing posts; A plurality of said railing montants are installed on the railing under the longeron and railing between the longeron; The upper and lower end parts of said railing montant is installed in respectively on the railing under the longeron and railing on the longeron; And on the railing under longeron and the railing longeron all be parallel laying with said bridge main beam, between said railing post bottom and the said bridge main beam through being fastenedly connected with the deformable linkage that said bridge main beam carries out deform in same pace; The right ends portion of longeron is fixedly mounted on respectively on adjacent two railing posts in front and back under the said railing; The sliding sleeve that installed the connection end of longeron on adjacent two railings before and after the railing post top was equipped with and supplies; Longeron is coaxial laying on sliding sleeve and the railing; The link portion of longeron is sleeved on respectively in the rear and front end of sliding sleeve on adjacent two railings in front and back; One end of said sliding sleeve is that fixed end and its other end are free end; Be fixedly connected between the connection end that is sleeved on longeron on the railing in the said fixed end and the sliding sleeve, and the connection end movable set that is sleeved on longeron on the railing in the said free end is in sliding sleeve and can in sliding sleeve, move forward and backward.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system, it is characterized in that: longeron is coaxial laying on adjacent two the said railings in front and back, is provided with the shrinkage joint that the connection end that supplies longeron on the railing moves forward and backward in the free end of said sliding sleeve.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system is characterized in that: be fixedly connected with welding manner between the connection end that is sleeved on longeron on the railing in the said fixed end and the inwall of sliding sleeve.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system; It is characterized in that: said deformable linkage comprises sleeper, connecting bolt one and connecting bolt two; Said sleeper is laid in the junction between railing post bottom and the said bridge main beam; And be fixedly connected through connecting bolt one between sleeper and the railing post, be fixedly connected through connecting bolt two between said sleeper and the said bridge main beam.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system, it is characterized in that: a plurality of said railing posts and a plurality of railing montant all are even laying, are fixed on that longeron is coaxial laying under adjacent two railings in front and back on the railing post.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system; It is characterized in that: said bridge main beam is made up of a plurality of longerons that are parallel laying; Be fastenedly connected through a plurality of crossbeams between a plurality of said longerons, a plurality of said crossbeams are even laying, and said crossbeam is vertical laying with said bridge main beam; And the spacing between adjacent two railing posts with front and back of the spacing between adjacent former and later two crossbeams is identical, and each railing post all is positioned at directly over the crossbeam.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system; It is characterized in that: two longerons that are positioned at the left and right sides in a plurality of said longerons are respectively left side longeron and right edge longeron; Railing post in the guard bar structure of said left side is fixed on the left side longeron, and the railing post in the guard bar structure of right side is fixed on the right edge longeron.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system is characterized in that: on said sliding sleeve, railing montant, the railing under longeron and the railing longeron be the circular steel rod member, said longeron is a channel-section steel, said crossbeam is an i iron.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system is characterized in that: all be fixedly connected with welding manner between longeron and the railing post between the longeron and under the railing under longeron and the railing between said railing post and the sliding sleeve, on railing montant and the railing; Said connecting bolt one is for being level to the leveling screw of laying, and connecting bolt two is for being vertically to the vertical bolt of laying.
The flexible girder cooperative transformation of above-mentioned a kind of bridge railing system; It is characterized in that: said sleeper is laid in railing post one side; And the opposite side of railing post bottom is provided with bracing means; Said bracing means comprises triangle stiffener one, horizontal steel plate and vertical steel plate, and said vertical metal mat is contained between the sidewall and triangle stiffener one of railing post, and said horizontal metal mat is contained between triangle stiffener one and the said bridge main beam.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and input cost is low.
2, easy, the convenient and short construction period of installation laying of construction sequence; Architecture advances to existing Bridge guardrail is less, whole railing system mainly by be fixed on a plurality of longerons (a plurality of longerons are formed bridge main beam) on the bridge crossbeam, along bridge to a plurality of railing posts that are laid in the bridge main beam left and right sides, be laid in before and after between adjacent two railing posts the railing montant and be laid on the railing between adjacent two railing post upper and lower sides longeron under the longeron and railing respectively.During actual installation, longeron is strengthened steel plate through one and is fixed on the bridge crossbeam, and railing post is fixed on the longeron through sleeper and matching used curb connecting bolt (specifically comprising connecting bolt one and connecting bolt two); The welding of longeron and railing post is fixed under the railing, and at the railing post top longeron sliding sleeve on the confession railing is set, and an end of sliding sleeve is the free sliding end, and the other end is a fixed end, in the free end of sliding sleeve the shrinkage joint is set simultaneously; Between the railing montant, reduce the setting of contact as far as possible.
3, result of use is good and practical value is high, and have the following advantages: the first, railing post is fixedly connected with bridge main beam, and longeron is fixed on railing post under the railing simultaneously, thereby plays the effect of stablizing whole railing structure; The second, connect through sliding sleeve between the longeron on the railing; And an end of sliding sleeve is a free end; And the other end is a fixed end, and when bridge main beam deformed and cause railing malformation, longeron can be out of shape in the shrinkage joint scope in sliding sleeve on the railing; Thereby can effectively protect the safety of whole railing structure, effectively avoid the railing structural failure; Three, railing post is fixed on the bridge main beam through sleeper and connecting bolt, and sleeper the time plays the effect of buffering in distortion, can effectively reduce the influence of bridge deformation to whole railing mechanism like this; Four, a plurality of railing montants are even laying, and the minimizing of the contact between the railing montant, make railing montant ability independent deformation, thereby when bridge main beam generation moderate finite deformation, can effectively avoid the deformation effect between the railing montant.To sum up; In the actual use, when bridge main beam teetertottered and produce moderate finite deformation, the utility model can be worked in coordination with bridge main beam and is out of shape together; Promptly the distortion situation with bridge main beam adapts to distortion, thereby has effectively avoided the situation of railing structural damage.
4, applied widely, can effectively promote be suitable for to all girders be on the bridge of flexible beam.
In sum; The utility model is simple in structure, reasonable in design, easy construction and input cost is low, result of use is good; Can carry out the compliance distortion synchronously with bridge main beam; Efficiently solve the railing impaired problem of flexible girder when the moderate finite deformation that effect such as vehicular load takes place down, can solve have now flexible girder guardrail existence can not carry out that cooperative transformation, railing are impaired seriously with girder, multiple practical problems such as application life of having a strong impact on bridge and security performance.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the annexation sketch map between longeron and the sliding sleeve on former and later two railings of the utility model.
Fig. 3 is the annexation sketch map between the utility model railing post bottom and the bridge main beam.
Description of reference numerals:
The 1-railing post; 2-railing montant; Longeron on the 3-railing;
Longeron under the 4-railing; The 5-sliding sleeve; The 6-1-sleeper;
6-2-connecting bolt one; 6-3-connecting bolt two; The 7-crossbeam;
8-1-left side longeron; The 9-suspension rod; The 10-shrinkage joint;
The 11-weld seam; 12-1-triangle stiffener one; The horizontal steel plate of 12-2-;
The vertical steel plate of 12-3-.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; The utility model comprises that two structures are all identical with size and is laid in the guard bar structure of the bridge main beam left and right sides respectively that two said guard bar structures comprise the left side guard bar structure and the right side guard bar structure that is laid in said bridge main beam right side that is laid in said bridge main beam left side.Two said guard bar structures include along bridge to be laid in a plurality of railing posts 1 on the said bridge main beam, along bridge before and after being laid in a plurality of railing montants 2 between adjacent two railing posts 1 and be separately fixed at before and after longeron 4 under longeron 3 and the railing on the railing between adjacent two railing posts 1; A plurality of said railing montants 2 are installed on the railing under the longeron 3 and railing between the longeron 4; The upper and lower end parts of said railing montant 2 is installed in respectively on the railing under longeron 3 and the railing on the longeron 4; And on the railing under longeron 3 and the railing longeron 4 all be parallel laying with said bridge main beam, between said railing post 1 bottom and the said bridge main beam through being fastenedly connected with the deformable linkage that said bridge main beam carries out deform in same pace.The right ends portion of longeron 4 is fixedly mounted on respectively on adjacent two railing posts 1 in front and back under the said railing; The sliding sleeve 5 that installed the connection end of longeron 3 on adjacent two railings before and after railing post 1 top was equipped with and supplies; Longeron 3 is coaxial laying on sliding sleeve 5 and the railing; The link portion of longeron 3 is sleeved on respectively in the rear and front end of sliding sleeve 5 on adjacent two railings in front and back; One end of said sliding sleeve 5 is that fixed end and its other end are free end; Is fixedly connected between the connection end that is sleeved on longeron 3 on the railing in the said fixed end and the sliding sleeve 5, and the connection end movable set that is sleeved on longeron 3 on the interior railing of said free end also can move forward and backward in sliding sleeve 5 in sliding sleeve 5.The actual laying when installing, a plurality of railing posts 1 in the guard bar structure of said left side all are laid in said bridge main beam left side, and a plurality of railing posts 1 in the guard bar structure of said right side all are laid in said bridge main beam right side.
In the present embodiment, longeron 3 is coaxial laying on adjacent two railings in front and back, is provided with the shrinkage joint 10 that the connection end that supplies longeron 3 on the railing moves forward and backward in the free end of said sliding sleeve 5.
Simultaneously, be fixedly connected with welding manner between the connection end that is sleeved on longeron 3 on the railing in the said fixed end and the inwall of sliding sleeve 5, and between the inwall of longeron on the railing 3 and sliding sleeve 5 formation weld seam 11.In the present embodiment, be positioned on the railing of front side longeron 3 coaxial movable sets on adjacent two the said railings in front and back in the longeron 3, and be positioned at the fixed end that longeron 3 on the railing of rear side is fixedly mounted on sliding sleeve 5 at the free end of sliding sleeve 5.
In the present embodiment; Said deformable linkage comprises sleeper 6-1, connecting bolt one 6-2 and connecting bolt two 6-3; Said sleeper 6-1 is laid in the junction between railing post 1 bottom and the said bridge main beam; And be fixedly connected through connecting bolt one 6-2 between sleeper 6-1 and the railing post 1, be fixedly connected through connecting bolt two 6-3 between said sleeper 6-1 and the said bridge main beam.
During actual installation; Said sleeper 6-1 is laid in railing post 1 one sides; And the opposite side of railing post 1 bottom is provided with bracing means; Said bracing means comprises triangle stiffener one 12-1, horizontal steel plate 12-2 and vertical steel plate 12-3, and said vertical steel plate 12-3 pad is contained between the sidewall and triangle stiffener one 12-1 of railing post 1, and said horizontal steel plate 12-2 pad is contained between triangle stiffener one 12-1 and the said bridge main beam.
The actual laying when installing, a plurality of said railing posts 1 all are even laying with a plurality of railing montants 2, are fixed on that longeron 4 is coaxial laying under adjacent two railings in front and back on the railing post 1.In the present embodiment; Said bridge main beam is made up of a plurality of longerons that are parallel laying; Be fastenedly connected through a plurality of crossbeams 7 between a plurality of said longerons, a plurality of said crossbeams 7 are even laying, and said crossbeam 7 is vertical laying with said bridge main beam; And the spacing between adjacent two railing posts 1 with front and back of the spacing between adjacent former and later two crossbeams 7 is identical, and each railing post 1 all is positioned at directly over the crossbeam 7.
In the present embodiment, the residing bridge of the utility model is a suspension bridge, and this suspension bridge is flexible steel suspension bridge, and on crossbeam 7, is laid with the suspension rod 9 that whole bridge is lifted, and a plurality of said longerons all are laid in crossbeam 7 tops.
In the present embodiment; Two longerons that are positioned at the left and right sides in a plurality of said longerons are respectively left side longeron 8-1 and right edge longeron; Railing post 1 in the guard bar structure of said left side is fixed on the left side longeron 8-1, and the railing post in the guard bar structure of right side 1 is fixed on the said right edge longeron.
During actual installation, on said sliding sleeve 5, railing montant 2, the railing under longeron 3 and the railing longeron 4 be the circular steel rod member, said longeron is a channel-section steel, said crossbeam 7 is an i iron.In the present embodiment, all be fixedly connected between longeron 4 and the railing post 1 between the longeron 4 and under the railing under longeron 3 and the railing between said railing post 1 and the sliding sleeve 5, on railing montant 2 and the railing with welding manner.Said connecting bolt one 6-2 is level to the leveling screw of laying, and connecting bolt two 6-3 are vertically to the vertical bolt of laying.
On the said railing under longeron 3 and the railing diameter of longeron 4 be 65mm ± 10mm, the diameter of said railing montant 2 is 25mm ± 5mm.In the present embodiment, on the said railing under longeron 3 and the railing diameter of longeron 4 be 65mm, the diameter of said railing montant 2 is 25mm.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (10)
1. the flexible girder cooperative transformation of bridge railing system; It is characterized in that: comprise that two structures are all identical with size and be laid in the guard bar structure of the bridge main beam left and right sides respectively, two said guard bar structures comprise the left side guard bar structure and the right side guard bar structure that is laid in said bridge main beam right side that is laid in said bridge main beam left side; Two said guard bar structures include along bridge to be laid in a plurality of railing posts (1) on the said bridge main beam, along bridge before and after being laid in a plurality of railing montants (2) between adjacent two railing posts (1) and be separately fixed at before and after longeron (4) under longeron (3) and the railing on the railing between adjacent two railing posts (1); A plurality of said railing montants (2) are installed under longeron on the railing (3) and the railing between the longeron (4); The upper and lower end parts of said railing montant (2) is installed in respectively under longeron on the railing (3) and the railing on the longeron (4); And longeron (4) all is parallel laying with said bridge main beam under longeron on the railing (3) and the railing, between said railing post (1) bottom and the said bridge main beam through being fastenedly connected with the deformable linkage that said bridge main beam carries out deform in same pace; The right ends portion of longeron under the said railing (4) is fixedly mounted on respectively on adjacent two railing posts in front and back (1); The sliding sleeve (5) that installed the connection end of longeron (3) on adjacent two railings before and after railing post (1) top was equipped with and supplies; Longeron (3) is coaxial laying on sliding sleeve (5) and the railing; The link portion of longeron (3) is sleeved on respectively in the rear and front end of sliding sleeve (5) on adjacent two railings in front and back; One end of said sliding sleeve (5) is that fixed end and its other end are free end; Is fixedly connected between the connection end that is sleeved on longeron (3) on the railing in the said fixed end and the sliding sleeve (5), and the connection end movable set that is sleeved on longeron (3) on the interior railing of said free end also can move forward and backward in sliding sleeve (5) in sliding sleeve (5).
2. according to the flexible girder cooperative transformation of the described a kind of bridge of claim 1 railing system; It is characterized in that: longeron (3) is coaxial laying on adjacent two the said railings in front and back, is provided with the shrinkage joint (10) that the connection end that supplies longeron (3) on the railing moves forward and backward in the free end of said sliding sleeve (5).
3. according to claim 1 or the flexible girder cooperative transformation of 2 described a kind of bridges railing systems, it is characterized in that: be fixedly connected with welding manner between the connection end that is sleeved on longeron (3) on the railing in the said fixed end and the inwall of sliding sleeve (5).
4. according to claim 1 or the flexible girder cooperative transformation of 2 described a kind of bridges railing system; It is characterized in that: said deformable linkage comprises sleeper (6-1), connecting bolt one (6-2) and connecting bolt two (6-3); Said sleeper (6-1) is laid in the junction between railing post (1) bottom and the said bridge main beam; And be fixedly connected through connecting bolt one (6-2) between sleeper (6-1) and the railing post (1), be fixedly connected through connecting bolt two (6-3) between said sleeper (6-1) and the said bridge main beam.
5. according to claim 1 or the flexible girder cooperative transformation of 2 described a kind of bridges railing system; It is characterized in that: a plurality of said railing posts (1) and a plurality of railing montant (2) all are even laying, are fixed on that longeron (4) is coaxial laying under adjacent two railings in front and back on the railing post (1).
6. according to claim 1 or the flexible girder cooperative transformation of 2 described a kind of bridges railing system; It is characterized in that: said bridge main beam is made up of a plurality of longerons that are parallel laying; Be fastenedly connected through a plurality of crossbeams (7) between a plurality of said longerons; A plurality of said crossbeams (7) are even laying; Said crossbeam (7) is vertical laying with said bridge main beam, and the spacing between adjacent two railing posts with front and back of the spacing between adjacent former and later two crossbeams (7) (1) is identical, and each railing post (1) all is positioned at directly over the crossbeam (7).
7. according to the flexible girder cooperative transformation of the described a kind of bridge of claim 6 railing system; It is characterized in that: two longerons that are positioned at the left and right sides in a plurality of said longerons are respectively left side longeron (8-1) and right edge longeron; Railing post (1) in the guard bar structure of said left side is fixed on the left side longeron (8-1), and the railing post in the guard bar structure of right side (1) is fixed on the said right edge longeron.
8. according to the flexible girder cooperative transformation of the described a kind of bridge of claim 6 railing system; It is characterized in that: on said sliding sleeve (5), railing montant (2), the railing under longeron (3) and the railing longeron (4) be the circular steel rod member; Said longeron is a channel-section steel, and said crossbeam (7) is an i iron.
9. according to claim 1 or the flexible girder cooperative transformation of 2 described a kind of bridges railing systems, it is characterized in that: all be fixedly connected between longeron (4) and the railing post (1) between the longeron (4) and under the railing under longeron (3) and the railing between said railing post (1) and the sliding sleeve (5), on railing montant (2) and the railing with welding manner; Said connecting bolt one (6-2) is for being level to the leveling screw of laying, and connecting bolt two (6-3) is for being vertically to the vertical bolt of laying.
10. according to the flexible girder cooperative transformation of the described a kind of bridge of claim 4 railing system; It is characterized in that: said sleeper (6-1) is laid in railing post (1) one side; And the opposite side of railing post (1) bottom is provided with bracing means; Said bracing means comprises triangle stiffener one (12-1), horizontal steel plate (12-2) and vertical steel plate (12-3); Said vertical steel plate (12-3) pad is contained between the sidewall and triangle stiffener one (12-1) of railing post (1), and said horizontal steel plate (12-2) pad is contained between triangle stiffener one (12-1) and the said bridge main beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202097183U CN202116982U (en) | 2011-06-21 | 2011-06-21 | Synergy deformation railing system for flexible girder of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202097183U CN202116982U (en) | 2011-06-21 | 2011-06-21 | Synergy deformation railing system for flexible girder of bridge |
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| CN202116982U true CN202116982U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202097183U Expired - Lifetime CN202116982U (en) | 2011-06-21 | 2011-06-21 | Synergy deformation railing system for flexible girder of bridge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061258A (en) * | 2013-01-30 | 2013-04-24 | 上海市政工程设计研究总院（集团）有限公司 | Rigid multiway displacement anticollision guardrail |
| CN106906966A (en) * | 2017-04-10 | 2017-06-30 | 广州大学 | A kind of banister flexible connecting device |
| CN108221663A (en) * | 2018-03-23 | 2018-06-29 | 中铁二院工程集团有限责任公司 | A kind of railway bridge bus loading zone guard rail |
| CN109322242A (en) * | 2018-12-11 | 2019-02-12 | 辰信重工（江苏）有限公司 | A kind of large-scale steel structure Bridge Joints bindiny mechanism convenient for being stably connected with |
-
2011
- 2011-06-21 CN CN2011202097183U patent/CN202116982U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061258A (en) * | 2013-01-30 | 2013-04-24 | 上海市政工程设计研究总院（集团）有限公司 | Rigid multiway displacement anticollision guardrail |
| CN106906966A (en) * | 2017-04-10 | 2017-06-30 | 广州大学 | A kind of banister flexible connecting device |
| CN108221663A (en) * | 2018-03-23 | 2018-06-29 | 中铁二院工程集团有限责任公司 | A kind of railway bridge bus loading zone guard rail |
| CN109322242A (en) * | 2018-12-11 | 2019-02-12 | 辰信重工（江苏）有限公司 | A kind of large-scale steel structure Bridge Joints bindiny mechanism convenient for being stably connected with |
| CN109322242B (en) * | 2018-12-11 | 2023-11-21 | 辰信重工（江苏）有限公司 | Large-scale steel structure bridge node coupling mechanism convenient to stable connection |
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| CX01 | Expiry of patent term |
Granted publication date: 20120118 |