CN102628251A - Truss structure of composite bridge - Google Patents
Truss structure of composite bridge Download PDFInfo
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- CN102628251A CN102628251A CN2012100724767A CN201210072476A CN102628251A CN 102628251 A CN102628251 A CN 102628251A CN 2012100724767 A CN2012100724767 A CN 2012100724767A CN 201210072476 A CN201210072476 A CN 201210072476A CN 102628251 A CN102628251 A CN 102628251A
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Abstract
The invention provides a truss structure of a composite bridge. The truss structure comprises an upper chord and a lower chord, wherein each of the upper and lower chords comprises two channel steels facing each other; three mutually parallel vertical rods vertical to the upper and lower chords are arranged in the middle of the upper chord; four left inclined rods form a prismatic shape and form a prismatic shape together with four right inclined rods; the combined part of a left vertical rod and one left inclined rod is reinforced by a pair of left web plates; the combined parts of a middle vertical rod and the two left inclined rods are reinforced by a pair of middle web plates; the combined part of a right vertical rod and the last left inclined rod is reinforced by a pair of right web plates; male heads and female heads are arranged above and below the left and the right ends of the upper chord and the lower chord; two single-layer circular hole plates and a single-layer long circular hole plate are mounted on the left vertical rod and correspond to the left vertical rod; and two single-layer circular hole plates and a single-layer long circular hole plate are mounted on the right vertical rod. The truss structure of the composite bridge, provided by the invention, has the advantages of strong reliability, good performance and good stability; and the reliability problem of the composite bridge is solved.
Description
Technical field
The present invention relates to a kind of truss principal steel work, specifically relate to a kind of trussed construction of combined bridge.
Background technology
Combined bridge no matter on the national defence still in rescue and relief work and other urgent occasion, more and more bring into play its important function, its length is also more and more long, have several kilometers even tens kilometers.Here need solve two basic problems: the structure of load-bearing parts with and compound mode.Combined bridge not only bears static load also will bear dynamic loading, and the requirement of its stability and reliability is quite high.The load-bearing parts are not only wanted resistance to compression, tension, also counter-bending, antitorque commentaries on classics.
Summary of the invention
In order to address the above problem, the invention provides a kind of steel trussed construction with dependable performance, solved the integrity problem of combined bridge.
In order to achieve the above object, the present invention realizes through following technical scheme:
The present invention is a kind of trussed construction of combined bridge, comprises winding up and lower edge, winds up to be parallel to each other with lower edge; Wind up and form face-to-face by two channel-section steels with lower edge, wind up with lower edge in the middle of and perpendicular to wind up with lower edge three left montants that are parallel to each other, middle montant be set; Right montant is a symmetry with middle montant, said wind up and lower edge between be provided with first prismatic and second prismatic; Said first prismatic is made up of four left braces, and the right braces of four on second rhombus are formed, in the junction of left montant and a left brace wherein with a pair of left web reinforcement; Strengthens with a pair of median ventral plate in middle montant and two left brace junctions wherein, with a pair of right web reinforcement, wind up and the right ends of lower edge said in right montant and a remaining left brace junction; All be provided with cloudy head and positive head up and down; Two individual layer circular hole slabs and the oval orifice plate of individual layer are installed on left montant, corresponding with left montant, two individual layer circular hole slabs and the oval orifice plate of individual layer are installed on right montant.Four individual layer circular hole slabs (11) and the coaxial setting of two double-deck circular hole slabs (12).
Further improvement of the present invention is: the inboard is a symmetry with middle montant on lower edge; Once arrangement from left to right is equipped with four needling seat boards; Successively four stull lever pins of installation on four needling seat boards; Four individual layer circular hole slabs and two double-deck circular hole slabs are installed between two channel-section steels of lower edge, corresponding with lower edge, four individual layer circular hole slabs and two double-deck circular hole slabs are installed between two channel-section steels that wind up equally.
Further improvement of the present invention is: left montant; In montant, right montant is formed by an i iron, and two ends all be clipped in belong to wind up and the channel-section steel of lower edge between; Sun head is whole " Y " shape structure, positive head-clamp wind up and lower edge in channel-section steel and channel-section steel between; Cloudy head is made up of a pair of parts, and the groove face assembly welding of parts and place channel-section steel together.
Further improvement of the present invention is: the sun head all has circular hole with cloudy head, and the diameter deviation scope of circular hole is between 0.00 ~ 0.20.
Further improvement of the present invention is: the compound mode between the parts of this trussed construction all is with the electric welding welding, forms the stable whole structure.
Compared with prior art, the present invention is simple in structure, good reliability, and performance is good, and good stability has solved the integrity problem of combined bridge.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an A-A sectional drawing of the present invention.
Fig. 3 is the local enlarged front view of the cloudy head end of the present invention.
Fig. 4 is the local amplification plan view of the cloudy head end of the present invention.
Fig. 5 is the local enlarged left view of the cloudy head end of the present invention.
Fig. 6 is the local enlarged front view of the present invention's sun head end.
Fig. 7 is the local amplification plan view of the present invention's sun head end.
Fig. 8 is the local right view that amplifies of the present invention's sun head end.
The specific embodiment
In order to deepen to understanding of the present invention, will combine embodiment and accompanying drawing that the present invention is further described below, this embodiment only is used to explain the present invention, does not constitute the qualification to protection domain of the present invention.
Shown in Fig. 1-8, the present invention is a kind of trussed construction of combined bridge, comprise wind up 1 with lower edge 2; Said winding up 1 is parallel to each other with lower edge 2, and said winding up 1 formed by two channel-section steels with lower edge 2 face-to-face, said wind up 1 with lower edge 2 in the middle of and perpendicular to wind up 1 with the three left montants 3 that are parallel to each other that are provided with of lower edge 2; Middle montant 4; Right montant 5, middle montant 4 be symmetrical, said wind up 1 and lower edge 2 between be provided with first prismatic and second prismatic; Said first prismatic is made up of four left braces 9; Second rhombus is made up of four right braces 10, said left montant 3 and left brace 9 wherein and wherein the junction of a right brace 10 with a pair of left web 6 reinforcements; Montant 4 is strengthened with a pair of median ventral plate 7 with the right brace of two roots 10 junctions with two left braces 9 wherein in said, right montant 5 and a remaining left brace 9 be left right brace 10 junctions with a pair of right web 8 reinforcements.Said wind up 1 with the right ends of lower edge 2, all be provided with cloudy 17 up and down and sun 18, said sun 18 and said the moon 17 all has circular hole; The diameter deviation scope of circular hole is equipped with two individual layer circular hole slabs 13 and the oval orifice plate 14 of individual layer on left montant 3 between 0.00 ~ 0.20, corresponding with left montant 3; Two individual layer circular hole slabs 15 and the oval orifice plate 16 of individual layer are installed on right montant 5, and for horizontal connection, the inboard is a symmetry with montant 4 in said on said lower edge 2; Once arrangement from left to right is equipped with left needling seat board 19, middle left needling seat board 20, right-of-center in political views's needling seat board 21; Right needling seat board 22, successively installation left side stull lever pin 23 on said four needling seat boards, middle left stull lever pin 24; Right-of-center in political views's stull lever pin 25, right stull lever pin 26 is in order to assemble; Four individual layer circular hole slabs 11 and 12, four individual layer circular hole slabs 11 of two double-deck circular hole slabs and two double-deck circular hole slab 12 coaxial settings are installed between two channel-section steels of said lower edge 2, corresponding with lower edge 2; Between 1 two channel-section steels of winding up, four individual layer circular hole slabs and two double-deck circular hole slabs are installed equally, said left montant 3, said in montant 4; Said right montant 5 is formed by an i iron; And two ends all be clipped in the place wind up 1 and the channel-section steel of lower edge 2 between, said sun 18 is whole " Y " shape structures, sun 18 is clipped between channel-section steel 2-1 and the channel-section steel 2-2; Said the moon 17 is made up of with a cloudy 17-2 a cloudy 17-1, a cloudy 17-1 and channel-section steel 2-1 assembly welding together, the moon 17-2 and channel-section steel 2-2 assembly welding together, the compound mode between the parts of this trussed construction all is to weld with electric welding, forms firm overall structure.During assembling, as long as alignd with the moon hole of adjacent trussed construction and plug pin in the sun hole of trussed construction.
The present invention is simple in structure, good reliability, and performance is good, and good stability has solved the integrity problem of combined bridge.
Claims (6)
1. the trussed construction of a combined bridge; Comprise and winding up (1) and lower edge (2); Said winding up (1) and lower edge (2) are parallel to each other; It is characterized in that: said winding up (1) and lower edge (2) are formed by two channel-section steels face-to-face, in the middle of said winding up (1) and lower edge (2) and perpendicular to wind up (1) and lower edge (2), three left montants (3) that are parallel to each other, middle montant (4) are set; Right montant (5); With montant (4) in said is symmetry, between said winding up (1) and lower edge (2), is provided with first prismatic and second prismatic, and said first prismatic is by four left braces (9); Said second prismatic is made up of four right braces (10); Strengthen with a pair of left web (6) in said left montant (3) and a left brace (9) wherein and the junction of a right brace (10) wherein, montant in said (4) and two left braces (9) wherein and two right braces (10) junction wherein be with a pair of median ventral plate (7) reinforcement, at right montant (5) and be left a left brace (9) and a right brace (10) junction be left is strengthened with a pair of right web (8); In the right ends of said winding up (1) and lower edge (2), all be provided with cloudy head (17) and sun (18) respectively up and down; Two individual layer circular hole slabs (13) and an oval orifice plate of individual layer (14) are installed on left montant (3), corresponding with left montant (3), two individual layer circular hole slabs (15) and an oval orifice plate of individual layer (16) are installed on right montant (5).
2. according to the trussed construction of the said a kind of combined bridge of claim 1; It is characterized in that: the inboard is a symmetry with montant (4) in said on said lower edge (2), and being arranged in order from left to right is equipped with left needling seat board (19), middle left needling seat board (20); Right-of-center in political views's needling seat board (21); Right needling seat board (22) is installed left stull lever pin (23) respectively, middle left stull lever pin (24) successively on said four needling seat boards; Right-of-center in political views's stull lever pin (25); Right stull lever pin (26) is equipped with four individual layer circular hole slabs (11) and two double-deck circular hole slabs (12), four individual layer circular hole slabs (11) and the coaxial setting of two double-deck circular hole slabs (12) between two channel-section steels of said lower edge (2); Corresponding with lower edge (2), four individual layer circular hole slabs and two double-deck circular hole slabs are installed between two channel-section steels of (1) that wind up equally.
3. the trussed construction of a kind of combined bridge according to claim 1 and 2; It is characterized in that: said left montant (3), said middle montant (4), said right montant (5) is formed by an i iron; And two ends are clipped in all to wind up (1) in the place and the channel-section steel of lower edge (2) between; Said lower edge (2) is made up of channel-section steel (2-1) and channel-section steel (2-2), and said sun head (18) is whole " Y " shape structure, and sun head (18) is clipped between channel-section steel (2-1) and the channel-section steel (2-2); Said cloudy head (17) is made up of with cloudy head (17-2) cloudy head (17-1), cloudy head (17-1) and channel-section steel (2-1) assembly welding together, cloudy head (17-2) and channel-section steel 2-2 assembly welding are together.
4. according to the trussed construction of claim 1 or 2 said a kind of combined bridges, it is characterized in that: said sun head (18) all has circular hole with said cloudy head (17).
5. according to the trussed construction of the said a kind of combined bridge of claim 4, it is characterized in that: the diameter deviation scope of said circular hole is between 0.00 ~ 0.20.
6. according to the trussed construction of each described a kind of combined bridge of claim 1-5, it is characterized in that: the compound mode between the parts of this trussed construction all is to weld with electric welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100724767A CN102628251A (en) | 2012-03-20 | 2012-03-20 | Truss structure of composite bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100724767A CN102628251A (en) | 2012-03-20 | 2012-03-20 | Truss structure of composite bridge |
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| Publication Number | Publication Date |
|---|---|
| CN102628251A true CN102628251A (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100724767A Pending CN102628251A (en) | 2012-03-20 | 2012-03-20 | Truss structure of composite bridge |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343508A (en) * | 2013-07-04 | 2013-10-09 | 田仁兰 | Upper chord lengthened type assembly type main beam |
| CN104594176A (en) * | 2013-11-01 | 2015-05-06 | 湖北华舟重工应急装备股份有限公司 | Long-span assembly type road steel truss bridge |
| CN108265617A (en) * | 2017-12-26 | 2018-07-10 | 湖北华舟重工应急装备股份有限公司 | For connecting the attachment device of two kinds of different size assembly type steel bridge on highway truss pieces |
| CN108709795A (en) * | 2018-06-27 | 2018-10-26 | 武汉希萌科技有限公司 | A kind of longeron and testing stand for railroad bridge static test |
| CN109056497A (en) * | 2018-09-19 | 2018-12-21 | 江苏苏建路桥机械有限公司 | A kind of Soviet Union builds-novel combination type trusses |
-
2012
- 2012-03-20 CN CN2012100724767A patent/CN102628251A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343508A (en) * | 2013-07-04 | 2013-10-09 | 田仁兰 | Upper chord lengthened type assembly type main beam |
| CN104594176A (en) * | 2013-11-01 | 2015-05-06 | 湖北华舟重工应急装备股份有限公司 | Long-span assembly type road steel truss bridge |
| CN108265617A (en) * | 2017-12-26 | 2018-07-10 | 湖北华舟重工应急装备股份有限公司 | For connecting the attachment device of two kinds of different size assembly type steel bridge on highway truss pieces |
| CN108265617B (en) * | 2017-12-26 | 2019-12-10 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Connecting device for connecting two assembled highway steel bridge truss sheets with different specifications |
| CN108709795A (en) * | 2018-06-27 | 2018-10-26 | 武汉希萌科技有限公司 | A kind of longeron and testing stand for railroad bridge static test |
| CN109056497A (en) * | 2018-09-19 | 2018-12-21 | 江苏苏建路桥机械有限公司 | A kind of Soviet Union builds-novel combination type trusses |
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Application publication date: 20120808 |