CN204753348U - Stride footpath steel suspension bridge greatly - Google Patents
Stride footpath steel suspension bridge greatly Download PDFInfo
- Publication number
- CN204753348U CN204753348U CN201520270671.XU CN201520270671U CN204753348U CN 204753348 U CN204753348 U CN 204753348U CN 201520270671 U CN201520270671 U CN 201520270671U CN 204753348 U CN204753348 U CN 204753348U
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- truss
- crossbeam
- chord
- suspension bridge
- chord member
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Abstract
The utility model discloses a stride footpath steel suspension bridge greatly has solved the little problem of assembled highway steel bridge leap ability among the prior art. Including truss and the crossbeam of connection between every section truss, the truss comprises isosceles triangle or isosceles right -angle triangle -shaped's truss unit combination, the package assembly of truss is double three -layer truss, double three -layer truss both ends are equipped with the montant, are equipped with the fixed beam between the adjacent montant, the fixed beam is H shaped steel, the section form of crossbeam is the I shape, be equipped with the decking on the crossbeam, the decking is U type orthotropic steel bridge deck board. The utility model discloses simple structure, reasonable in design, the atress is clear and definite, and the component is small in quantity, assembles fastly, possesses multilayer structure, and bearing capacity is high, has fine leap ability, the structure is nimble, can be applicable to the topography and the environment of various complicacies, just can rapid be open to traffic the crane span structure with simple machinery and manual work.
Description
Technical field
The utility model relates to steel bridge technical field, specifically, particularly relates to a kind of large-span steel suspension bridge.
Background technology
Mountable steel bridge is modal temporary bridge structure, it possesses the advantage that carrying is large, speed of application is fast, need during road rapid repair to add bridge pier in centre, time several months need be expended just can fix, the object of quick emergency repair cannot be reached, for some remote districts, communications and transportation is more inconvenient, and therefore mountable steel bridge is able to extensive use.Existing " 321 " type largest span only has 60 meters, and HD200 type largest span only has 76 meters, can not meet span and require large repairing, therefore need a kind of high-bearing, span ability large, assemble assembly type steel bridge on highway easily.
Summary of the invention
The utility model discloses a kind of large-span steel suspension bridge, solve the problem that in prior art, assembly type steel bridge on highway span ability is little, provide a kind of mountable steel bridge of double three layers of trussed construction, supporting capacity is large, can reach hundred meters across footpath.
The utility model is achieved through the following technical solutions:
A kind of large-span steel suspension bridge, comprises truss and is connected to the crossbeam 6 often saved between truss, and described truss is made up of the truss element combination of isosceles triangle or isosceles right triangle, and the package assembly of described truss is double three layers of truss.
Preferably, described double three layers of truss two ends are provided with montant 11, are provided with clamped beam 12 between adjacent montant 11, and described clamped beam 12 is H profile steel.
Preferably, the form of fracture of described crossbeam 6 is H profile steel, and described crossbeam 6 is provided with bridge deck 7.
Preferably, described bridge deck 7 are U-shaped Orthotropic Steel Bridge Deck.
Preferably, described truss element comprises truss brace 1 and chord member of truss 2, truss brace 1 is the isosceles limit of isosceles triangle, chord member of truss 2 is bases of isosceles triangle, the intersection point of two truss braces 1 is provided with top stator 3, truss brace 1 side is provided with crossbeam fixing hole 5, and chord member of truss 2 is provided with bolt hole 4.
Preferably, described double three layers of truss also comprise lower chord 8, middle chord member 9, lower chord 10, described lower chord 8, middle chord member 9 and lower chord 10 form by the chord member of truss 2 of truss element, and the outside of described lower chord 8, middle chord member 9, lower chord 10 is also provided with the angle steel 14 in order to strengthen.
Preferably, described crossbeam 6 is arranged on lower chord 10 or middle chord member 9.
Preferably, fixed mount 13 is fixed with between described upper chord 10.
Compared with prior art, the beneficial effects of the utility model are:
The utility model structure is simple, and reasonable in design, clearly stressed, the number of components is few, and assembling speed is fast, and possess sandwich construction, supporting capacity is high, has good span ability; Structure flexibly, can be applicable to landform and the environment of various complexity, with simple machinery with manually just can rapidly crane span structure be open to traffic.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of isosceles triangle truss element of the present utility model;
Fig. 3 is sectional view of the present utility model;
Fig. 4 is the structural representation of the utility model embodiment two.
In figure: 1, truss brace; 2, chord member of truss; 3, top stator; 4, bolt hole; 5, crossbeam fixing hole; 6, crossbeam; 7, bridge deck; 8, lower chord; 9, middle chord member; 10, lower chord; 11, montant; 12, clamped beam; 13, fixed mount; 14, angle steel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated:
A kind of large-span steel suspension bridge, comprise truss and be connected to the crossbeam 6 often saved between truss, described truss is made up of the truss element combination of isosceles triangle or isosceles right triangle, the package assembly of described truss is double three layers of truss, described double three layers of truss two ends are provided with montant 11, clamped beam 12 is provided with between adjacent montant 11, described clamped beam 12 is H profile steel, the form of fracture of described crossbeam 6 is I shape, described crossbeam 6 is provided with bridge deck 7, described bridge deck 7 are U-shaped Orthotropic Steel Bridge Deck, described truss element comprises truss brace 1 and chord member of truss 2, truss brace 1 is the isosceles limit of isosceles triangle, chord member of truss 2 is bases of isosceles triangle, the intersection point of two truss braces 1 is provided with top stator 3, truss brace 1 side is provided with crossbeam fixing hole 5, chord member of truss 2 is provided with bolt hole 4, described double three layers of truss also comprise lower chord 8, middle chord member 9, lower chord 10, described lower chord 8, middle chord member 9 and lower chord 10 form by the chord member of truss 2 of truss element, described lower chord 8, middle chord member 9, the outside of lower chord 10 is also provided with the angle steel 14 in order to strengthen, described crossbeam 6 is arranged on lower chord 10 or middle chord member 9, fixed mount 13 is fixed with between described upper chord 10.
As shown in Figure 2, Fig. 2 is the structural representation of isosceles triangle truss element of the present utility model, truss element comprises truss brace 1 and chord member of truss 2, truss brace 1 is the isosceles limit of isosceles triangle, chord member of truss 2 is bases of isosceles triangle, the intersection point of two truss braces 1 is provided with top stator 3, stator 3 is provided with multiple bolt hole, truss brace 1 side is provided with crossbeam fixing hole 5, chord member of truss 2 is provided with bolt hole 4, and truss element can be bolted to connection and then be assembled into truss framework each other.
Embodiment one
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of embodiment one of the present utility model, the truss of this bridge is the double three layers of truss be assembled into by truss element, that the top stator 3 of two isosceles triangle truss elements is coupled together relatively by bolt, the double-deck truss that composition truss assumes diamond in shape, the base of isosceles triangle and chord member of truss 2 constitute upper chord 10 and the middle chord member 9 of truss, bottom one deck of truss is combined by isosceles triangle truss element and right angle truss element, chord member of truss 2 constitutes lower chord 8, three layers of truss are so just assembled into, the two ends of truss are provided with montant 11, montant and truss element are bolted to connection, the clamped beam 12 of H profile steel is provided with in order to strengthen fixing between adjacent montant 1, lower chord 8, middle chord member 9, the outside of lower chord 10 is also provided with the angle steel 14 in order to strengthen.Truss lower floor often saves between truss element and is provided with crossbeam 6, crossbeam 6 is bolted to connection on the crossbeam fixing hole 5 of bottom truss element, crossbeam fixing hole 5 is arranged on the Nodes that truss brace 1 and chord member of truss 2 intersect, the form of fracture of crossbeam 6 is I shape, the surface of crossbeam 6 is provided with bridge deck 7, bridge deck 7 are U-shaped Orthotropic Steel Bridge Deck, U-shaped Orthotropic Steel Bridge Deck can the bearing capacity of reinforced panel, also add between pricncipal rafter 10 and be installed with fixed mount 13, the effect strengthening fixing truss can be played.
Embodiment two
As shown in Figure 4, Fig. 4 is the structural representation of the utility model embodiment two, the different permanent positions being crossbeam 6 of the second embodiment and the first embodiment, crossbeam 6 is fixed between truss second layer truss element and is namely arranged on middle chord member 9, and bridge deck 7 are laid on the surface of crossbeam 6.
The utility model structure is simple, and reasonable in design, clearly stressed, the number of components is few, and assembling speed is fast, and possess sandwich construction, supporting capacity is high, has good span ability; Structure flexibly, can be applicable to landform and the environment of various complexity, with simple machinery with manually just can rapidly crane span structure be open to traffic.
The utility model solves the problem that in prior art, assembly type steel bridge on highway span ability is little, tests and can reach at least hundred meters across footpath, can be used in the emergency first-aid repair to highway bridge such as rescue and relief work, simultaneously also can as civilian support, trestle etc.
In sum, be only preferred embodiment of the present utility model, not be used for limit the utility model implement scope, all equalizations of doing according to shape, structure, feature and the spirit described in the utility model right change and modify, and all should be included in right of the present utility model.
Claims (8)
1. a large-span steel suspension bridge, comprise truss and be connected to the crossbeam (6) often saved between truss, described truss is made up of the truss element combination of isosceles triangle or isosceles right triangle, it is characterized in that: the package assembly of described truss is double three layers of truss.
2. large-span steel suspension bridge according to claim 1, it is characterized in that: described double three layers of truss two ends are provided with montant (11), be provided with clamped beam (12) between adjacent montant (11), described clamped beam (12) is H profile steel.
3. large-span steel suspension bridge according to claim 1, is characterized in that: the form of fracture of described crossbeam (6) is I shape, and described crossbeam (6) is provided with bridge deck (7).
4. large-span steel suspension bridge according to claim 3, is characterized in that: described bridge deck (7) are U-shaped Orthotropic Steel Bridge Deck.
5. large-span steel suspension bridge according to claim 1, it is characterized in that: described truss element comprises truss brace (1) and chord member of truss (2), the isosceles limit that truss brace (1) is isosceles triangle, chord member of truss (2) is the base of isosceles triangle, the intersection point of two truss braces (1) is provided with top stator (3), truss brace (1) side is provided with crossbeam fixing hole (5), and chord member of truss (2) is provided with bolt hole (4).
6. large-span steel suspension bridge according to claim 1, it is characterized in that: described double three layers of truss also comprise lower chord (8), middle chord member (9), upper chord (10), described lower chord (8), middle chord member (9) and upper chord (10) form by the chord member of truss (2) of truss element, and the outside of described lower chord (8), middle chord member (9), upper chord (10) is also provided with the angle steel (14) in order to strengthen.
7. large-span steel suspension bridge according to claim 3, is characterized in that: described crossbeam (6) is arranged on lower chord (10) or middle chord member (9).
8. large-span steel suspension bridge according to claim 6, is characterized in that: be fixed with fixed mount (13) between described upper chord (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270671.XU CN204753348U (en) | 2015-04-29 | 2015-04-29 | Stride footpath steel suspension bridge greatly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270671.XU CN204753348U (en) | 2015-04-29 | 2015-04-29 | Stride footpath steel suspension bridge greatly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753348U true CN204753348U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520270671.XU Expired - Fee Related CN204753348U (en) | 2015-04-29 | 2015-04-29 | Stride footpath steel suspension bridge greatly |
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| Country | Link |
|---|---|
| CN (1) | CN204753348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818666A (en) * | 2015-04-29 | 2015-08-05 | 镇江长城重工科技有限公司 | Large-span steel temporary bridge |
| CN109653076A (en) * | 2018-12-24 | 2019-04-19 | 四川港航建设工程有限公司 | Combined type flood control is passed the flood period lock head shellfish Lei Gangqiao and construction method |
| CN111962374A (en) * | 2020-07-22 | 2020-11-20 | 华南理工大学 | Quickly-installed space truss long-span light steel walking bridge and construction method thereof |
-
2015
- 2015-04-29 CN CN201520270671.XU patent/CN204753348U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818666A (en) * | 2015-04-29 | 2015-08-05 | 镇江长城重工科技有限公司 | Large-span steel temporary bridge |
| CN109653076A (en) * | 2018-12-24 | 2019-04-19 | 四川港航建设工程有限公司 | Combined type flood control is passed the flood period lock head shellfish Lei Gangqiao and construction method |
| CN111962374A (en) * | 2020-07-22 | 2020-11-20 | 华南理工大学 | Quickly-installed space truss long-span light steel walking bridge and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |