CN111139736A - A series sliding type multi-directional displacement bridge expansion device and comb plate and method - Google Patents
A series sliding type multi-directional displacement bridge expansion device and comb plate and method Download PDFInfo
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- CN111139736A CN111139736A CN202010179493.5A CN202010179493A CN111139736A CN 111139736 A CN111139736 A CN 111139736A CN 202010179493 A CN202010179493 A CN 202010179493A CN 111139736 A CN111139736 A CN 111139736A
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- comb
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- tooth plate
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 24
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 36
- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000013461 design Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 18
- 239000000872 buffer Substances 0.000 claims description 14
- 238000004873 anchoring Methods 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 210000001520 comb Anatomy 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明涉及交通设施领域，尤其涉及一种串联滑移式多向变位桥梁伸缩装置和梳齿板以及方法。左侧梳齿板右边缘下方固定连接限位槽（10），右侧梳齿板左边缘下方固定设置限位块（11），两个相邻的梳齿板的限位块装入限位槽内，所有相邻活动梳齿板嵌套串联，最终整个伸缩装置嵌接成一个整体。将相邻的梳齿板结构相互铰性串联，出现梳齿板松动的时候，由梳齿板之间的铰链结构将松动的梳齿板暂时拉住，不至于瞬间脱落出现安全事故。此梳齿板结构设计的多向变位结构与梳齿板整体成型，之间不存在焊接结构。梳齿板表面增加防滑钉，起到防滑或者振荡提醒的作用。采用柔性阻尼螺栓不会出现瞬间脱落及损坏的情况。
The invention relates to the field of traffic facilities, in particular to a series-sliding multi-directional displacement bridge telescopic device, a comb-tooth plate, and a method. A limit slot (10) is fixedly connected under the right edge of the left comb plate, a limit block (11) is fixed under the left edge of the right comb plate, and the limit blocks of two adjacent comb plates are installed in the limit In the slot, all adjacent movable comb-tooth plates are nested in series, and finally the entire telescopic device is embedded into a whole. The adjacent comb-tooth plate structures are connected in series with hinges. When the comb-tooth plate is loose, the loose comb-tooth plate is temporarily pulled by the hinge structure between the comb-tooth plates, so as not to fall off instantly and cause a safety accident. The multi-directional displacement structure of the comb-tooth plate structure design is integrally formed with the comb-tooth plate, and there is no welding structure between them. Anti-skid studs are added on the surface of the comb plate to play the role of anti-skid or vibration reminder. The use of flexible damping bolts will not cause instant fall off and damage.
Description
Technical Field
The invention relates to the field of traffic facilities, in particular to a series sliding type multidirectional shifting bridge expansion device, a comb plate and a method.
Background
Technical scheme of prior art I
A product represented by a patent number 201821897603.6 (the inventor and the company have a plurality of similar patent structures), wherein the comb plate structure rotates through a transversely arranged rotating shaft;
a similar product, patent No. 201110125568.2, provides a rotating tee;
the first prior art has the following defects:
1. the comb plate bridge expansion device designed at present mainly adopts a unit type or a module type, the end section of a bridge structure is of an integral structure, the functions of the unit type or the module type are independent when the bridge expansion device is used, each piece is not mutually connected, and the unit comb plate can directly fall off after being damaged.
2. The designed multidirectional displacement structures (the rotating shaft, the ball seat and the like) are all welding forming structures after forming of independent structures, and the condition of weld joint cracking is easy to occur in the using process.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a series sliding type multidirectional displacement bridge expansion device and a method with better effect, and particularly aims to achieve a plurality of substantial technical effects of a specific implementation part.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel fishback contains the broach on the fishback, its characterized in that, left side fishback right margin below fixed connection spacing groove (10), and right side fishback left margin below is fixed to be set up stopper (11), and the stopper of two adjacent fishbacks is packed into the spacing groove, and all adjacent activity fishbacks are nested to be established ties, and finally whole telescoping device is scarf jointed into a whole.
The invention further adopts the technical scheme that the left side and the right side of the comb plate can be pressed tightly.
The invention further adopts the technical scheme that the edges of two sides of the comb plate are subjected to inclined surface treatment, and the side edges of two adjacent comb plates can be matched.
The invention further adopts the technical scheme that the comb plate is a movable comb plate.
The utility model provides a multidirectional bridge telescoping device that shifts of sliding of establishing ties, a serial communication port, multidirectional bridge telescoping device that shifts contain the fishback, contain the broach on the fishback, side fishback right limb below fixed connection spacing groove 10, the fixed stopper 11 that sets up in right side fishback left limb below, the spacing inslot is packed into to the stopper of two adjacent fishbacks, all adjacent activity fishbacks are nested to be established ties, finally whole telescoping device scarf joint becomes a whole.
The invention further adopts the technical scheme that the comb tooth plate comprises a position-changing rotating body 5, wherein the position-changing rotating body 5, a bearing plate 6 and a movable comb tooth plate 8 are of an integrated manufacturing structure, and the bearing plate 6 is arranged below the movable comb tooth plate 8 and protrudes out of the edge of the movable comb tooth plate; the edge of the position-changing rotating body 5 is of an arc structure.
The invention has the further technical scheme that the pressing plate 1 is designed and arranged for crossing the adjacent movable comb plates 8; the bottom of the pressing plate 1 is provided with a buffer rubber pad 3; the pressing plate 1 is arranged between the two displacement rotating bodies 5, and the part of the pressing plate 1 close to the displacement rotating bodies 5 is provided with an arc-shaped groove which is matched with an arc-shaped structure; the edge of the pressure plate 1 presses the edge of the pressure bearing plate 6 protruding out of the movable comb plate 8.
The invention further adopts the technical scheme that a movable comb plate 8 and a fixed comb plate 9 are fixed on the beam bodies through high-strength damping sleeve bolts 2 and are in cross butt joint, and a water stop belt 13 for drainage is arranged between the beam bodies at the two ends; the high-strength damping sleeve bolt 2 structure comprises a sleeve 30 inserted into bolt holes of the pressure plate 1 and the movable comb plate 8; the high-strength damping sleeve bolt 2 structure also comprises a bolt 31 fixed on the beam body part; the high-strength damping sleeve bolt 2 structure further comprises a viscous buffer 32 disposed between the sleeve 30 and the bolt 31.
The invention further adopts the technical scheme that a row of oscillation marking devices are arranged on the surface of the movable comb plate 8, and the oscillation marking devices are formed by inserting oscillation rivets 7 into corresponding holes on the surface of the movable comb plate and are fixedly connected.
A series sliding type multidirectional shifting bridge expansion method is characterized in that the device is used, and the method comprises the following steps that the expansion devices are connected in series in a nested mode, all toothed plates and all components are restrained and fixed mutually, and when one toothed plate is about to be displaced and damaged, the adjacent toothed plates provide counter force to fix the toothed plate in the original position; a certain limited block sliding space is reserved in the limiting groove, so that the requirement of transverse displacement of the telescopic device can be met; the fixing mode of the whole telescopic device is as follows: nesting and restricting the comb tooth plates, anchoring the high-strength damping sleeve bolts 2 and embedding the pressing plate 1;
when the bridge and the telescopic device are relatively changed, the displacement rotating body moves in an area formed by the bridge and the pressing plate and generates relative displacement with the beam body, so that the design displacement requirement is met;
a high-strength damping sleeve bolt is installed, so that the anchoring performance of the telescopic device is improved; the viscous buffer material has a buffer adjustment function, and the overall displacement adjustment capacity of the telescopic device is improved.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: with the mutual hinge nature series connection of adjacent fishback structure, when fishback is not hard up, will not hard up fishback temporarily hold by the hinge structure between the fishback, be unlikely to drop the incident that appears in the twinkling of an eye.
The multidirectional shift structure of this fishback structural design and fishback integrated into one piece do not have welded structure between, the flexible life of more favorable assurance bridge.
The anti-skid nails are added on the surface of the comb plate, so that the anti-skid or vibration reminding effect is similar to that of a vibration marking line.
The bolt adopted by the bridge expansion device with the comb plate structure at present is a rigid friction bolt, and a flexible damping bolt is adopted in the expansion device, so that the situation of instantaneous falling and damage can not occur when the bolt is used.
Drawings
To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the tandem nesting of the invention;
FIG. 2 is a schematic view taken along line A-A of FIG. 1;
FIG. 3 is a first schematic structural diagram of the present invention;
FIG. 4 is a second schematic structural view of the present invention;
FIG. 5 is a schematic structural view of a high-strength damping sleeve bolt; wherein: 1. pressing a plate; 2. a high-strength damping sleeve bolt; 3. a buffer rubber plate; 4. weather-resistant sealing colloid; 5. a deflection rotating body; 6. a pressure bearing plate; 7. vibrating the rivet; 8. a movable comb plate; 9. fixing the comb plate; 10. a limiting groove; 11. a limiting block; 12. a concrete beam body; 13. a water stop; 30. a sleeve; 31. a bolt; 32. a viscous buffer.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.
The first embodiment is as follows: with reference to all of the accompanying drawings; the utility model provides a novel fishback contains the broach on the fishback, its characterized in that, left side fishback right margin below fixed connection spacing groove 10, and the fixed stopper 11 that sets up in right side fishback left margin below, the spacing inslot of packing into of the stopper of two adjacent fishbacks, all adjacent activity fishback nested series connection, and finally whole telescoping device scarf joint becomes a whole. The technical scheme of the invention has the following substantial technical effects and the realization process: the comb plate is a device that can be sold separately for individual use.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
Example two: as a further development or in a parallel or optionally independent solution, the comb plate can be pressed on both its left and right sides. The edges of two sides of the comb plate are processed by inclined planes, and the side sides of two adjacent comb plates can be matched. The technical scheme of the invention has the following substantial technical effects and the realization process: with the mutual hinge nature series connection of adjacent fishback structure, when fishback is not hard up, will not hard up fishback temporarily hold by the hinge structure between the fishback, be unlikely to drop the incident that appears in the twinkling of an eye.
Example three: as a further improvement, or a parallel scheme or an optional independent scheme, the comb plate is a movable comb plate.
Example four: as further can improve the scheme or the independent scheme that can select side by side, a bridge telescoping device that slides in series connection multidirectional shifting, its characterized in that, the bridge telescoping device that multidirectional shifts contain the fishback, contain the broach on the fishback, side fishback right limb below fixed connection spacing groove 10, right side fishback left limb below is fixed and is set up stopper 11, the stopper of two adjacent fishbacks is packed into the spacing groove, all adjacent movable fishbacks are nested to be established ties, finally whole telescoping device scarf joint becomes a whole. The technical scheme of the invention has the following substantial technical effects and the realization process: a series sliding type multidirectional shifting bridge expansion method is characterized in that the device is used, and the method comprises the following steps that the expansion devices are connected in series in a nested mode, all toothed plates and all components are restrained and fixed mutually, and when one toothed plate is about to be displaced and damaged, the adjacent toothed plates provide counter force to fix the toothed plate in the original position; a certain limited block sliding space is reserved in the limiting groove, so that the requirement of transverse displacement of the telescopic device can be met; the fixing mode of the whole telescopic device is as follows: nesting and restricting the comb tooth plates, anchoring the high-strength damping sleeve bolts 2 and embedding the pressing plate 1;
when the bridge and the telescopic device are relatively changed, the displacement rotating body moves in an area formed by the bridge and the pressing plate and generates relative displacement with the beam body, so that the design displacement requirement is met;
a high-strength damping sleeve bolt is installed, so that the anchoring performance of the telescopic device is improved; the viscous buffer material has a buffer adjustment function, and the overall displacement adjustment capacity of the telescopic device is improved.
Example five: as a further improved scheme or a parallel scheme or an optional independent scheme, the device further comprises a shifting rotor 5, wherein the shifting rotor 5, a pressure bearing plate 6 and a movable comb plate 8 are of an integrated manufacturing structure, and the pressure bearing plate 6 is arranged below the movable comb plate 8 and protrudes out of the edge of the movable comb plate; the edge of the position-changing rotating body 5 is of an arc structure. The technical scheme of the invention has the following substantial technical effects and the realization process: it is convenient to be matched integrally. Of course, it is also possible to fix it later, as a parallel or preferred option: as shown in fig. 3, the groove gap formed by the pressing plate 1, the shifting rotator 5, the pressure bearing plate 6 and the movable comb plate 8 is filled with weather-proof sealing colloid 4.
Example six: as a further development or a juxtaposition or alternatively an independent solution, the press plate 1 is designed to be arranged across the adjacent movable comb plates 8; the bottom of the pressing plate 1 is provided with a buffer rubber pad 3; the pressing plate 1 is arranged between the two displacement rotating bodies 5, and the part of the pressing plate 1 close to the displacement rotating bodies 5 is provided with an arc-shaped groove which is matched with an arc-shaped structure; the edge of the pressure plate 1 presses the edge of the pressure bearing plate 6 protruding out of the movable comb plate 8. The technical scheme of the invention has the following substantial technical effects and the realization process: the mode of pressing and fixing is adopted here.
Example seven: as a further improved scheme or a parallel scheme or a selectable independent scheme, the movable comb plate 8 and the fixed comb plate 9 are fixed on the beam bodies through high-strength damping sleeve bolts 2 and are in cross butt joint, and a water stop belt 13 for drainage is arranged between the beam bodies at the two ends; the high-strength damping sleeve bolt 2 structure comprises a sleeve 30 inserted into bolt holes of the pressure plate 1 and the movable comb plate 8; the high-strength damping sleeve bolt 2 structure also comprises a bolt 31 fixed on the beam body part; the high-strength damping sleeve bolt 2 structure further comprises a viscous buffer 32 disposed between the sleeve 30 and the bolt 31. The technical scheme of the invention has the following substantial technical effects and the realization process: the viscous cushion 32 can be made of neoprene, weather-resistant sealant, etc.
Example eight: as a further development, either in parallel or alternatively independently, the face of the mobile comb 8 is provided with rows of oscillating striping devices, which are configured to insert oscillating rivets 7 in corresponding holes in the face of the mobile comb and to fix them.
The installation method comprises the following steps:
a novel installation method is characterized in that a high-strength damping sleeve bolt is fixedly installed on a beam body embedded part in a reserved groove of a bridge before a telescopic device is installed. The first module movable comb plate is installed and positioned, then the rest movable comb plate limiting blocks are connected into the front movable comb plate limiting groove along the tooth direction, the whole movable comb plate is installed in a secondary mode, and finally the pressing plate assembly and the fixed comb plate assembly are installed in place.
And inserting the oscillation rivet 7 into a corresponding hole on the plate surface of the movable comb plate and fixedly connecting the oscillation rivet 7 in a connecting mode such as welding and the like.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a novel broach plate structure. Some details are not shown in the figures.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179493.5A CN111139736B (en) | 2020-03-16 | 2020-03-16 | A serial sliding multi-directional displacement bridge telescopic device and comb plate and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179493.5A CN111139736B (en) | 2020-03-16 | 2020-03-16 | A serial sliding multi-directional displacement bridge telescopic device and comb plate and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111139736A true CN111139736A (en) | 2020-05-12 |
| CN111139736B CN111139736B (en) | 2024-11-19 |
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| CN202010179493.5A Active CN111139736B (en) | 2020-03-16 | 2020-03-16 | A serial sliding multi-directional displacement bridge telescopic device and comb plate and method |
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| CN (1) | CN111139736B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201137038Y (en) * | 2007-12-28 | 2008-10-22 | 吴国庆 | Multidirectional location-changing bridge telescoping device |
| CN201704619U (en) * | 2010-05-10 | 2011-01-12 | 吴国庆 | Multidirectional displacement bridge expansion device |
| CN104099862A (en) * | 2014-07-22 | 2014-10-15 | 衡水鑫盛达新材料科技有限公司 | Elastic multi-displacement comb tooth bridge expanding and contracting device |
| CN205295928U (en) * | 2016-01-11 | 2016-06-08 | 衡水宝力工程橡胶有限公司 | Comb tooth extending device capable of changing positions in multiple directions |
| CN207828771U (en) * | 2018-01-02 | 2018-09-07 | 范瑶 | Novel fishback Expansion Units for Highway Bridges |
| CN108532455A (en) * | 2018-06-05 | 2018-09-14 | 吴昊 | A kind of connection structure of highway bridge fishback telescopic device |
| CN109024261A (en) * | 2018-09-12 | 2018-12-18 | 天津桥通科技发展有限公司 | Fishback lateral deflection device |
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
| CN110195408A (en) * | 2019-07-09 | 2019-09-03 | 汪小鹏 | Bridge expanssion joint dust guard and its dust-proof damping device |
| CN211973087U (en) * | 2020-03-16 | 2020-11-20 | 江苏朗玺工程科技有限公司 | Series sliding type multidirectional displacement bridge expansion device and comb plate |
-
2020
- 2020-03-16 CN CN202010179493.5A patent/CN111139736B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201137038Y (en) * | 2007-12-28 | 2008-10-22 | 吴国庆 | Multidirectional location-changing bridge telescoping device |
| CN201704619U (en) * | 2010-05-10 | 2011-01-12 | 吴国庆 | Multidirectional displacement bridge expansion device |
| CN104099862A (en) * | 2014-07-22 | 2014-10-15 | 衡水鑫盛达新材料科技有限公司 | Elastic multi-displacement comb tooth bridge expanding and contracting device |
| CN205295928U (en) * | 2016-01-11 | 2016-06-08 | 衡水宝力工程橡胶有限公司 | Comb tooth extending device capable of changing positions in multiple directions |
| CN207828771U (en) * | 2018-01-02 | 2018-09-07 | 范瑶 | Novel fishback Expansion Units for Highway Bridges |
| CN108532455A (en) * | 2018-06-05 | 2018-09-14 | 吴昊 | A kind of connection structure of highway bridge fishback telescopic device |
| CN109024261A (en) * | 2018-09-12 | 2018-12-18 | 天津桥通科技发展有限公司 | Fishback lateral deflection device |
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
| CN110195408A (en) * | 2019-07-09 | 2019-09-03 | 汪小鹏 | Bridge expanssion joint dust guard and its dust-proof damping device |
| CN211973087U (en) * | 2020-03-16 | 2020-11-20 | 江苏朗玺工程科技有限公司 | Series sliding type multidirectional displacement bridge expansion device and comb plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111139736B (en) | 2024-11-19 |
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Effective date of registration: 20220121 Address after: 710000 room 404, floor 4, unit 3, building 7, building 2, Zhangba Liulu Road, Yanta District, Xi'an City, Shaanxi Province Applicant after: Wang Yaling Address before: 213000 Huashan Road, Xinbei District, Changzhou, Jiangsu Province, No. 18 Applicant before: Jiangsu Langxi Engineering Technology Co.,Ltd. |
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