CN110230254B - Steel truss bridge assembled node connection structure - Google Patents
Steel truss bridge assembled node connection structure Download PDFInfo
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- CN110230254B CN110230254B CN201910552328.7A CN201910552328A CN110230254B CN 110230254 B CN110230254 B CN 110230254B CN 201910552328 A CN201910552328 A CN 201910552328A CN 110230254 B CN110230254 B CN 110230254B
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- node
- frame
- sleeve
- roof beam
- connection structure
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
The invention belongs to the field of bridges, and particularly relates to an assembled node connection structure of a steel truss bridge. Including locating on the horizontal roof beam and be located the node connecting plate of horizontal roof beam both sides, by the node connecting plate with the open node groove in bottom that the horizontal roof beam cooperation formed, node inslot interpolation connects upright the roof beam and is located two sloping of founding the roof beam both sides, two respectively be equipped with one on the grafting end of sloping and cup joint half frame and two and cup joint half frame mouth, frame mouth along butt joint cooperation formation one and cup joint the frame, found the roof beam upper end be equipped with insert the cover in cup joint the outer pipe portion of cup jointing of frame. This application through the cooperation of above-mentioned each part found between roof beam and the sloping with horizontal roof beam pegs graft, found simultaneously again between roof beam and the sloping and carry out spacing system cooperation and cup joint, the ring is detained mutually, and the system is drawn mutually again between each part, reuses less bolt and locks, and the installation is convenient fast, and joint strength is high.
Description
Technical Field
The invention belongs to the field of bridges, and particularly relates to an assembled node connection structure of a steel truss bridge.
Background
Along with the continuous development of urban infrastructure construction, the construction scale of road bridges is continuously enlarged, and steel structure bridges have the advantages of short construction period, strong adaptability to various complex environments and the like, and are widely applied. The steel structure bridge mainly adopts various section steels to form a steel structure bridge main body through bolt connection or welding connection. The node form of each shaped steel at the junction has important influence on the stress state and the use safety of the steel structure bridge. For the node form adopting bolt connection, too many mounting holes of bolts at the nodes are easy to cause that the strength of the section steel is reduced due to too many mounting holes processed; to the node form that adopts welded connection, many welds meet at the node, cause stress concentration easily, can cause unfavorable effect to the stress state of node, can reduce the joint strength of node, influence steel structure bridge's life.
Disclosure of Invention
The invention aims to provide an assembled node connecting structure of a steel truss bridge.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a steel truss bridge assembled nodal connection structure, including locate on the horizontal roof beam and be located the node connecting plate of horizontal roof beam both sides, by the node connecting plate with the open node groove in bottom that the horizontal roof beam cooperation formed, node inslot interpolation is found the roof beam and is located two sloping that found the roof beam both sides, two respectively be equipped with one on the grafting end of sloping and cup joint half frame and two and cup joint half frame mouth, frame mouth along cup jointing the cooperation relatively and forming one and cup joint the frame, it is equipped with the plug bush in to found the roof beam upper end cup joint the portion of pipe outside the frame, the node connecting plate, cup joint half frame and cup joint and be equipped with on the portion of pipe and be used for wearing to establish and be connected the through-hole of the bolt of node connecting plate, cup joint half frame.
Preferably, the inserting end of the oblique beam is connected with a horizontal connecting plate, the sleeved half frame is arranged on the horizontal connecting plate, the width of the horizontal connecting plate is equal to the width of the groove of the node groove, the oblique beam comprises an outer beam panel, a front beam panel, a rear beam panel and an inner beam panel, and the horizontal connecting plate is at least connected with the end edge of the outer beam panel.
This application through the cooperation of above-mentioned each part found between roof beam and the sloping with horizontal roof beam pegs graft, found simultaneously again between roof beam and the sloping and carry out spacing system cooperation and cup joint, the ring is detained mutually, and the system is drawn mutually again between each part, reuses less bolt and locks, and the installation is convenient fast, and joint strength is high.
Preferably, an inner rib plate is connected between the outer side beam panel and the sleeved half frame, the inner rib plate is simultaneously connected with the horizontal connecting plate, and the sleeved pipe part is provided with a clamping groove corresponding to the inner rib plate. The horizontal connecting plate can be formed by directly extending and bending the outer side beam panel forwards, the strength is high, and the sleeved half frame can be fixed on the horizontal connecting plate in advance in a processing factory. The socket joint half frame can be a square frame with a square section or other shape frames, so long as the function of the application can be realized, the square frame is relatively more suitable, and the structure matching is relatively compact. The cooperation of the clamping groove and the inner rib plate enhances the connection strength of the end part of the oblique beam and ensures the higher-strength sleeve connection of the sleeve connection frame and the vertical beam.
Preferably, the transverse beam is provided with a protective component having a folding prevention surface which can abut against the outer surface of the outer side beam panel, and the height of the folding prevention surface along the gravity direction is larger than the distance between the inner side beam panel and the transverse beam.
Preferably, the protection component is a protection pipe fitting, and the distance between the end edge of the inner side beam panel and the sleeved half frame is equal to the thickness of the pipe wall of the sleeved pipe part.
The arrangement of the protective component with the specific height ensures that the end part of the inclined beam with the incomplete frame shape is not easy to break, both sides of the inclined beam are limited by abutting against, and the connection strength is improved.
Preferably, the distance from the sleeve half frame to the nearest node connecting plate is equal to the thickness of the pipe wall of the sleeve pipe part. The degree of fit among all parts is ensured, and the connecting strength is improved.
Preferably, an inner frame inner sleeve matched with the socket frame is arranged in the node groove. The inner sleeve of the inner frame can be used as an installation reference, the inclined beams can be installed quickly, and meanwhile, the connection strength between the beams can be enhanced.
Preferably, the sleeve pipe portion is an end portion of the upright beam and has the same shape and size as the main body of the upright beam. The sleeve pipe portion is actually the end portion of the vertical beam, so that extra pipes of different specifications do not need to be connected, and forms of the end portion of the vertical beam do not need to be made, so that the processing time is saved, and the strength of the connecting portion is improved.
Preferably, a connecting rib plate part with an inner side edge abutting against the outside of the sleeve pipe part is further integrally connected between the end edges of the front and rear beam panels and the outer beam panel.
Preferably, the height of the sleeved half frame is smaller than the distance between the inner side beam panel and the transverse beam. The height is set so as to facilitate the installation of the inner rib plate in the early stage.
In conclusion, the invention has the following beneficial effects:
1. this application through the cooperation of above-mentioned each part found between roof beam and the sloping with horizontal roof beam pegs graft, found simultaneously again between roof beam and the sloping and carry out spacing system cooperation and cup joint, the ring is detained mutually, and the system is drawn mutually again between each part, reuses less bolt and locks, and the installation is convenient fast, and joint strength is high. Compared with the existing steel structure bridge joint connection mode, welding operation is not needed when all the beams are installed, the influence of welding stress concentration at the joints on the connection strength is reduced, and the connection reliability of the steel structure bridge at the joint connection position is improved.
2. The invention has simple and ingenious structure, low cost and good application effect.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present application.
Fig. 2 is a schematic structural diagram of the present application.
Fig. 3 is a schematic view of the present application with an inner casing tube in the inner frame.
Fig. 4 is a partial structural schematic diagram of the present application.
Fig. 5 is a cross-sectional structural schematic view of the oblique beam.
Fig. 6 is a schematic view of the structure of the oblique beam.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The first embodiment is as follows:
the utility model provides a steel truss bridge assembled nodal connection structure, including locate on the horizontal roof beam 10 and be located the node connecting plate 1 of horizontal roof beam both sides, by the node connecting plate with the open node groove 2 in bottom that the horizontal roof beam cooperation formed, node inslot interpolation is found roof beam 3 and is located two sloping 4 of founding the roof beam both sides, two respectively be equipped with one on the grafting end of sloping and cup joint half frame 5 and two and cup joint half frame mouth, frame mouth along cup jointing the cooperation relatively and forming one and cup joint the frame, found the roof beam upper end be equipped with the plug bush in cup joint the pipe portion 31 outside the frame, be equipped with on the node connecting plate, cup joint half frame and cup joint the pipe portion and be used for wearing to establish and be used for connecting the through-hole of the bolt of node connecting plate, cup joint half frame and cup joint.
The spliced end of the oblique beam is connected with a horizontal connecting plate 41, the sleeved half frame is arranged on the horizontal connecting plate, the width of the horizontal connecting plate is equal to the width of the groove of the node groove, the oblique beam comprises an outer beam panel 42, a front beam panel 43, a rear beam panel 43 and an inner beam panel 44, and the horizontal connecting plate is at least connected with the end edge of the outer beam panel.
This application through the cooperation of above-mentioned each part found between roof beam and the sloping with horizontal roof beam pegs graft, found simultaneously again between roof beam and the sloping and carry out spacing system cooperation and cup joint, the ring is detained mutually, and the system is drawn mutually again between each part, reuses less bolt and locks, and the installation is convenient fast, and joint strength is high.
Example two:
different from the above embodiment, an inner rib plate 46 is connected between the outer side beam panel and the sleeve half frame, the inner rib plate is simultaneously connected with the horizontal connecting plate, and the sleeve pipe part is provided with a clamping groove 311 corresponding to the inner rib plate. The horizontal connecting plate can be formed by directly extending and bending the outer side beam panel forwards, the strength is high, and the sleeved half frame can be fixed on the horizontal connecting plate in advance in a processing factory. The socket joint half frame can be a square frame with a square section or other shape frames, so long as the function of the application can be realized, the square frame is relatively more suitable, and the structure matching is relatively compact. The cooperation of the clamping groove and the inner rib plate enhances the connection strength of the end part of the oblique beam and ensures the higher-strength sleeve connection of the sleeve connection frame and the vertical beam.
Example three:
different from the above embodiment, the transverse beam is provided with a protective component having a folding prevention surface 61 which can abut against the outer surface of the outer side beam panel, and the height of the folding prevention surface along the gravity direction is larger than the distance between the inner side beam panel and the transverse beam.
The protection part is a protection pipe fitting, and the distance between the end edge of the inner side beam panel and the sleeved half frame is equal to the thickness of the pipe wall of the sleeved pipe part. The arrangement of the protective component with the specific height ensures that the end part of the inclined beam with the incomplete frame shape is not easy to break, both sides of the inclined beam are limited by abutting against, and the connection strength is improved.
The distance from the sleeve half frame to the nearest node connecting plate is equal to the thickness of the pipe wall of the sleeve pipe part. The degree of fit among all parts is ensured, and the connecting strength is improved.
Example four:
different from the above embodiments, an inner frame inner sleeve 7 adapted to the socket frame is arranged in the node groove. The inner sleeve of the inner frame can be used as an installation reference, the inclined beams can be installed quickly, and meanwhile, the connection strength between the beams can be enhanced.
The sleeve pipe part is the pipe end part of the vertical beam and is the same as the main body of the vertical beam in shape and size. The sleeve pipe portion is actually the end portion of the vertical beam, so that extra pipes of different specifications do not need to be connected, and forms of the end portion of the vertical beam do not need to be made, so that the processing time is saved, and the strength of the connecting portion is improved.
Example five:
different from the above example, a connecting rib plate part 45 whose inner edge is abutted against the outside of the sleeve pipe part is further integrally connected between the end edges of the front and rear beam panels and the outer beam panel. The rib connecting plate part is integrally connected with the whole oblique beam, so that the strength of the oblique beam at the end part can be ensured.
The height of the sleeved half frame is smaller than the distance between the inner side beam panel and the transverse beam. The height is set so as to facilitate the installation of the inner rib plate in the early stage.
Claims (9)
1. The utility model provides a steel truss bridge assembled nodal connection structure which characterized in that: the connecting structure comprises node connecting plates (1) which are arranged on a transverse beam (10) and are positioned on two sides of the transverse beam, and a node groove (2) which is formed by the node connecting plates and the transverse beam in a matched mode and is open at the bottom, wherein an upright beam (3) is inserted in the node groove, two inclined beams (4) are positioned on two sides of the upright beam, a sleeve half frame (5) is arranged at each inserting end of the two inclined beams, a sleeve frame is formed by the frame openings and the frame openings of the two sleeve half frames in a matched mode in an abutting joint mode, a sleeve pipe part (31) which is inserted and sleeved outside the sleeve frame is arranged at the upper end of the upright beam, through holes for penetrating bolts for connecting the node connecting plates, the sleeve half frames and the sleeve pipe part are arranged on the node connecting plates, the sleeve half frames and the sleeve pipe part, a horizontal connecting plate (41) is connected at the inserting end of the inclined beam, the sleeve half frames are arranged on the horizontal connecting plate, and the, the oblique beam comprises an outer side beam panel (42), a front beam panel, a rear beam panel (43) and an inner side beam panel (44), and the horizontal connecting plate is at least connected to the end edge of the outer side beam panel.
2. The fabricated node connection structure of a steel truss bridge according to claim 1, wherein: an inner rib plate (46) is connected between the outer side beam panel and the sleeved half frame, the inner rib plate is simultaneously connected with the horizontal connecting plate, and the sleeved pipe part is provided with a clamping groove (311) corresponding to the inner rib plate.
3. The fabricated node connection structure of a steel truss bridge according to claim 2, wherein: the transverse beam is provided with a protective component with an anti-folding surface (61) which can be abutted against the outer surface of the outer side beam panel, and the height of the anti-folding surface along the gravity direction is larger than the distance from the inner side beam panel to the transverse beam.
4. The fabricated node connection structure of a steel truss bridge according to claim 3, wherein: the protection part is a protection pipe fitting, and the distance between the end edge of the inner side beam panel and the sleeved half frame is equal to the thickness of the pipe wall of the sleeved pipe part.
5. The fabricated node connection structure of a steel truss bridge according to claim 4, wherein: the distance from the sleeve half frame to the nearest node connecting plate is equal to the thickness of the pipe wall of the sleeve pipe part.
6. The fabricated node connection structure of a steel truss bridge according to any one of claims 1 to 5, wherein: an inner frame inner sleeve (7) matched with the socket frame is arranged in the node groove.
7. The fabricated node connection structure of a steel truss bridge according to claim 5, wherein: the sleeve pipe part is the pipe end part of the vertical beam and is the same as the main body of the vertical beam in shape and size.
8. The fabricated node connection structure of a steel truss bridge according to claim 5, wherein: the end edges of the front beam panel and the rear beam panel and the outer beam panel are also integrally connected with a connecting rib plate part (45) of which the inner side edge is abutted against the outside of the sleeve pipe part.
9. The fabricated node connection structure of a steel truss bridge according to claim 8, wherein: the height of the sleeved half frame is smaller than the distance between the inner side beam panel and the transverse beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552328.7A CN110230254B (en) | 2019-06-25 | 2019-06-25 | Steel truss bridge assembled node connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552328.7A CN110230254B (en) | 2019-06-25 | 2019-06-25 | Steel truss bridge assembled node connection structure |
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| Publication Number | Publication Date |
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| CN110230254A CN110230254A (en) | 2019-09-13 |
| CN110230254B true CN110230254B (en) | 2021-02-12 |
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| CN201910552328.7A Active CN110230254B (en) | 2019-06-25 | 2019-06-25 | Steel truss bridge assembled node connection structure |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2880919B2 (en) * | 1994-11-11 | 1999-04-12 | 株式会社アルテス | Metal fittings for steel members |
| DE4443198A1 (en) * | 1994-12-05 | 1996-06-20 | Peter Seitz | Plug-in connection for two or more rod shaped connecting elements for two or three dimensional rod structures |
| DK36895A (en) * | 1995-04-03 | 1996-10-25 | Fiberline Composites A S | Bracket series for assembly of I- or U-beams |
| FR2781535B1 (en) * | 1998-07-24 | 2000-08-25 | Potain Sa | ASSEMBLY DEVICE FOR METAL STRUCTURE MEMBERS |
| JP2004232440A (en) * | 2003-01-28 | 2004-08-19 | Kamio Tekko Kk | Steel structure connector |
| KR100920970B1 (en) * | 2009-04-01 | 2009-10-09 | 씨제이건설 주식회사 | A fastening joint for square lumber |
| RU2496951C1 (en) * | 2012-05-14 | 2013-10-27 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Nodal joint of spacial frame rods |
| CN107165289B (en) * | 2017-06-26 | 2019-02-19 | 北京交通大学 | Insert-type steel panel point for building bridge or building structure constructs |
| CN207296508U (en) * | 2017-10-26 | 2018-05-01 | 哈尔滨工业大学 | A kind of H-C type assembling type nodes applied to single-layer steel structure cooling tower |
| CN208039011U (en) * | 2018-03-06 | 2018-11-02 | 江苏三工钢桥股份有限公司 | A kind of steel structure bridge node connecting structure |
| CN209556147U (en) * | 2019-01-28 | 2019-10-29 | 西安科技大学 | A kind of steel pipe concrete truss node plate type node |
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Effective date of registration: 20210113 Address after: 316000 Room 601, 11 Baichuan Road, Lincheng street, Zhoushan Marine Science City, Dinghai District, Zhoushan City, Zhejiang Province (position a183) Applicant after: Zhejiang Zhongrui New Material Technology Co.,Ltd. Applicant after: HANGZHOU GUYIQIANG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Room 903, 9 / F, building 1, 1276 Dongliu Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Applicant before: HANGZHOU GUYIQIANG NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A prefabricated node connection structure for steel truss bridge beams Effective date of registration: 20230922 Granted publication date: 20210212 Pledgee: Bank of Jiangsu Limited by Share Ltd. Hangzhou branch Pledgor: HANGZHOU GUYIQIANG NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980058176 |