CN202610698U - Medium and small span modularization aluminum pedestrian bridge within single span of 30 m - Google Patents
Medium and small span modularization aluminum pedestrian bridge within single span of 30 m Download PDFInfo
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- CN202610698U CN202610698U CN 201220282929 CN201220282929U CN202610698U CN 202610698 U CN202610698 U CN 202610698U CN 201220282929 CN201220282929 CN 201220282929 CN 201220282929 U CN201220282929 U CN 201220282929U CN 202610698 U CN202610698 U CN 202610698U
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Abstract
The utility model relates to a medium and small span modularization aluminum pedestrian bridge within a single span of 30 m, which comprises main truss beams on two sides of the aluminum pedestrian bridge, a transverse frame between the main truss beams and road plates, wherein the road plates are laid on the transverse frame; the main truss beams comprise truss main beams, truss vertical rods and truss inclined rods, and the end parts of the truss vertical rods and the truss inclined rods are connected with the truss main beams; the length of each truss main beam is 5 m-30 m, and the height thereof is 150 mm-350 mm; the transverse frame comprises frame transverse rods, double lower transverse rods, frame vertical rods and frame inclined rods; the upper ends of the frame vertical rods and the frame inclined rods are connected with the frame transverse rods; the lower ends of the frame vertical rods and the frame inclined rods are connected with the double lower transverse rods; and two ends of the frame transverse rods and the double lower transverse rods are connected with the main truss beams. The medium and small span modularization aluminum pedestrian bridge is reasonable in structure and simple and convenient to construct, facilitates the popularization and application, and adopts sliding blocks, bolts and other standard pieces to connect all rod pieces, so that the standardized production of factories and the mounting and dismounting of the modularization can be realized conveniently; the working periods are shortened, and the construction cost of a single bridge beam is reduced.
Description
Technical field
The utility model belongs to the bridge structure technical field, and particularly a kind of bridge type that is applicable to is the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in the single span 30m of " yi word pattern ", " I shape ", " U font ", " hollow " and " polygonal " pedestrian overcrossing.
Background technology
The bridge construction of China is main with concrete and steel work.Concrete material is cheap, but structure bulky, structure is heavy, application life is short; Steel work is lighter relatively, but corrosion takes place steel easily, and steel surface need be done special protection, and needs long-term maintenance, and the later maintenance expense is very high, and the maintenance cost of a lot of engineerings is considerably beyond first construction cost, and use cost is high.
At present; Widely popularize environmental protection concept in the world wide; Aluminum alloy materials belongs to a kind of environment-friendly constructional materials, its high-strength light that has, corrosion-resistant, be prone to processing, be prone to regeneration, landscape effect is good, not carrying magnetic and advantage such as nontoxic, makes it be suitable for building the aluminium alloys bridge.Though aluminium alloys bridge case history is arranged abroad; But it still adopts traditional form of structure, and the main beam structure form is floor beam or simple and easy case beam, and form is too dull; The section bar cross section of being adopted is that special bridge is special-purpose; Installation and processing process relative complex, construction cost is higher, can not realize that factory normalization production and modularization are installed, dismounting.Above-mentioned limitation makes the popularization of aluminium alloys bridge receive great restriction.
Still the be unrealized main cause of modularization production and processing of aluminium alloys bridge is: 1, existing aluminium alloy extrusions cross section is too simple, can not give full play to the advantage that aluminium alloy extrusions is easy to extrusion modling, facilitates so that run other miscellaneous function of phase for bridge; 2, process technology and manufacture craft are not mature enough, and the connection processing between the structural element is coarse, can not realize the modularization production and processing, and single bridge cost is higher; 3, existing aluminum alloy bridge girder construction design form is heavy, can not embody the slim and graceful and advantage attractive in appearance of aluminium alloys bridge.
The utility model content
The utility model provides the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in a kind of single span 30m that realizes factory normalization production and modularization installation and removal.
For realizing above-mentioned purpose, the technical scheme of the utility model is: the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in a kind of single span 30m, comprise transverse frame and guidance tape between the main truss of both sides is set a roof beam in place, main truss is set a roof beam in place, and guidance tape is laid on the transverse frame; Said main truss is set a roof beam in place and is comprised truss girder, the vertical bar of truss and truss brace, and the end of vertical bar of truss and truss brace links to each other with the truss girder, and the length of truss girder is 5m～30m, highly for 150mm～350mm; Said transverse frame comprises framework bar, two sheer pole, frame vertical straight bar and framework brace; The upper end of frame vertical straight bar and framework brace links to each other with framework bar; The lower end of frame vertical straight bar and framework brace links to each other with two sheer poles, and framework bar is set a roof beam in place with main truss with the two ends of two sheer poles and linked to each other.
The upper/lower terminal of vertical bar of said truss and truss brace is clamped by two back-to-back truss girders respectively, and connects through the bolt in the outer slotted eye of truss girder.
The upper end of said frame vertical straight bar and framework brace is welded on the framework bar; Framework bar and framework brace end are welded with interior plate; Weld outer panel on the vertical bar of truss; Interior plate is connected with the outer panel bolt, and the height of interior plate and outer panel is not less than the height sum, width of framework bar and the framework brace width greater than the vertical bar of truss; The lower end of frame vertical straight bar and framework brace is connected on the two sheer poles that laterally arrange side by side through bolt; Be provided with slide block in the following slotted eye of truss girder; Two sheer poles two ends link to each other with slide block with the bolt of truss girder through threaded engagement, and two sheer pole is connected with the vertical bar bolt of truss.
Said guidance tape is a hollow-core construction, and the width of guidance tape is 100mm～300mm, highly is not less than 2mm for 40mm～100mm, wall thickness, and the end face of guidance tape and the edge of bottom surface are provided with cantilever, and adjacent guidance tape overlaps through cantilever, and the width of cantilever is not less than 10mm; The soffit of guidance tape is fixedly connected with the upper surface of framework bar through gusset, and the width of gusset is not less than 50mm, thickness is not less than 3mm.
Be provided with plate in the water jacket hole slot abdomen of said truss girder.
Compared with prior art, the utility model has the advantages that:
1, the utility model comprises transverse frame and the guidance tape between the main truss of both sides is set a roof beam in place, main truss is set a roof beam in place, and guidance tape is laid on the transverse frame; Said main truss is set a roof beam in place and is comprised truss girder, the vertical bar of truss and truss brace, and the end of vertical bar of truss and truss brace links to each other with the truss girder, and the length of truss girder is 5m～30m, highly for 150mm～350mm; Said transverse frame comprises framework bar, two sheer pole, frame vertical straight bar and framework brace, and the upper end of frame vertical straight bar and framework brace links to each other with framework bar, and the lower end of frame vertical straight bar and framework brace links to each other with two sheer poles; Framework bar is set a roof beam in place with main truss with the two ends of two sheer poles and is linked to each other; It is simple in structure, and installation is easy, adopts standard connectors such as slide block and bolt to be connected each rod member; Be convenient to realize that factory normalization production and modularization are installed and dismounting; Effective reduction of erection time, reduce the total cost of single bridge, be beneficial to and apply.
2, be provided with plate in the water jacket hole slot abdomen of truss girder, it is smooth-going that the bridge external surface is connected, good looking appearance.
3, in the utility model, the Cross section Design of each parts section bar can be given full play to the advantage that aluminium alloy extrusions is easy to extrusion modling, and other miscellaneous function of runing the phase for bridge facilitates.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A profile among Fig. 1;
Fig. 3 is the B-B profile among Fig. 2;
Fig. 4 is the C-C profile among Fig. 3;
Fig. 5 is the structural representation at N1 place among Fig. 1;
Fig. 6 is the right view of Fig. 5;
Fig. 7 is the structural representation at N2 place among Fig. 2;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the sectional view of guidance tape among Fig. 1;
Figure 10 is the sectional view of Fig. 1 middle girder;
Figure 11 is the structural representation that connects slide block among Fig. 2;
Figure 12 is the right view of Figure 11.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 10; Main truss is set a roof beam in place and is comprised truss girder 1, the vertical bar 21 of truss and truss brace 22; The vertical bar 21 of the truss that the both sides main truss is set a roof beam in place is corresponding one by one with truss brace 22; The upper/lower terminal of vertical bar 21 of truss and truss brace 22 is clamped by two truss girders that are provided with back-to-back 1 respectively, and connects through the bolt in the outer slotted eye 11 of truss girder 1, realizes removably connecting.The length of truss girder 1 is that 5m, height H 1 are 150mm, and web thickness is at least 6mm, and the outside width of following slotted eye 12 is than the big at least 10mm of groove abdomen width, to satisfy the structure stress requirement.The aperture widths and the perforate degree of depth in the outer slotted eye 11 groove abdomens all are at least 3mm, so that plate 10 is installed.For good looking appearance, in the groove abdomen of the outer slotted eye 11 of truss girder 1, be provided with plate 10.
As depicted in figs. 1 and 2; Transverse frame comprises framework bar 6, two sheer pole 3, frame vertical straight bar 41 and framework brace 42; The upper end of frame vertical straight bar 41 and framework brace 42 is welded on the framework bar 6, and the lower end of frame vertical straight bar 41 and framework brace 42 is connected on the two sheer poles 3 that laterally arrange side by side through bolt.
Like Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 11 and shown in Figure 12; Be welded with interior plate 91 in framework bar 6 and framework brace 42 ends; Be welded with outer panel 92 on the vertical bar 21 of truss; Interior plate 91 is connected with outer panel 92 bolts, realizes removably connecting, and wherein the height of interior plate 91 and outer panel 92 is greater than the height sum of framework bar 6 and framework brace 42, the width width greater than the vertical bar 21 of truss.In the following slotted eye 12 of truss girder 1, be provided with slide block 8, two sheer poles 3 two ends link to each other with slide block 8 with the bolt of truss girder 1 through threaded engagement, and two sheer pole 3 is connected with vertical bar 21 bolts of truss, realize removably connecting.The width of groove abdomen and the degree of depth are convenient to slide block 8 and are being moved in the slotted eye 12 down greater than the width and the thickness of slide block 8 in the following slotted eye 12, and groove abdomen width is than the big at least 4mm of A/F of notch, to guarantee that slide block 8 can not skid off down slotted eye 12.The wall thickness of following slotted eye 12 is at least 3mm, can stretch out the slide block 8 in the groove abdomen to guarantee to connect outward with bolt head.
Like Fig. 3, Fig. 4 and shown in Figure 9, guidance tape 5 is a hollow-core construction, and the width L2 of guidance tape 5 is that 100mm, height H 2 are 2mm for 40mm, wall thickness t.The end face of guidance tape 5 and the edge of bottom surface are provided with cantilever 51, and the width L3 of cantilever 51 is 10mm, and to satisfy the requirement of fixing rivet or bolt, adjacent guidance tape 5 is through cantilever 51 overlap joints, and the soffit of guidance tape 5 is fixedly connected with the upper surface of framework bar 6 through gusset 7.Guidance tape 5 is reserved transverse expansion joint on framework bar 6 tops, guidance tape 5 is riveted through gusset 7 with framework bar 6, and the width of gusset 7 is that 50mm, thickness are 3mm.
In this embodiment, the upper chord of truss girder 1 can be used as accommodation rail, is guaranteeing under the prerequisite of structural strength effectively economical with materials consumption; Framework bar 6, two sheer pole 3, frame vertical straight bar 41 and framework brace 42 and the guidance tape 5 of vertical bar 21 of truss girder 1, the truss that main truss is set a roof beam in place and truss brace 22, transverse frame are the section bar that aluminium alloys is made, and the width of section bar and wall thickness are confirmed according to the structural-load-carrying capacity designing requirement; Gusset 7 is the dihedral aluminium; Slide block 8 adopts aluminium alloys or stainless steel material to make; Interior plate 91 is an aluminium alloy plate with outer panel 92.
The number of assembling steps of the utility model is following: 1) lead frame brace 42 and framework bar 6, at framework bar 6 and framework brace 42 ends welding interior plate 91; 2) connect truss girder 1, the vertical bar 21 of truss and truss brace 22 through bolt; 3) employing is welded on welding outer panel 92 on the vertical bar 21 of truss; 4) slide block 8 is packed in the groove abdomen of following slotted eye 12 of both sides truss girder 1, connect truss girder 1 and two sheer poles 3, connect the vertical bar 21 of truss and two sheer poles 3 through bolt through bolt; 5) connect interior plate 91 and outer panel 92 through bolt; 6) guidance tape 5 is riveted on the framework bar 6 through gusset 7; 7) plug-in mounting plate 10 in the outer slotted eye 11 groove abdomens of truss girder 1.
The utility model can be used for building the bridge that vestibule, People's Bank of China are crossed street, cross a river bridge and pierhead trestle; The pedestrian overcrossing bridge type that is suitable for has " yi word pattern ", " I shape ", " U font ", " hollow " and " polygon " etc.; It adopts slide block 8 to be connected each rod member with standard connectors such as bolts; Realize modularization assembling and dismounting, effective reduction of erection time, reduce the total cost of single bridge.
Embodiment 2, are with the difference of embodiment 1: the length of truss girder 1 is that 15m, height H 1 are 250mm; The width L2 of guidance tape 5 is that 200mm, height H 2 are 3mm for 70mm, wall thickness t; The width L3 of cantilever 51 is 12mm; The width of gusset 7 is that 60mm, thickness are 4mm.
Claims (5)
1. the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in the single span 30m is characterized in that: transverse frame and guidance tape between the main truss that comprises both sides is set a roof beam in place, main truss is set a roof beam in place, and guidance tape is laid on the transverse frame; Said main truss is set a roof beam in place and is comprised truss girder, the vertical bar of truss and truss brace, and the end of vertical bar of truss and truss brace links to each other with the truss girder, and the length of truss girder is 5m～30m, highly for 150mm～350mm; Said transverse frame comprises framework bar, two sheer pole, frame vertical straight bar and framework brace; The upper end of frame vertical straight bar and framework brace links to each other with framework bar; The lower end of frame vertical straight bar and framework brace links to each other with two sheer poles, and framework bar is set a roof beam in place with main truss with the two ends of two sheer poles and linked to each other.
2. the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in the single span 30m as claimed in claim 1; It is characterized in that: the upper/lower terminal of vertical bar of said truss and truss brace is clamped by two back-to-back truss girders respectively, and connects through the bolt in the outer slotted eye of truss girder.
3. the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in according to claim 1 or claim 2 the single span 30m; It is characterized in that: the upper end of said frame vertical straight bar and framework brace is welded on the framework bar; Framework bar and framework brace end are welded with interior plate; Weld outer panel on the vertical bar of truss, interior plate is connected with the outer panel bolt, and the height of interior plate and outer panel is not less than the height sum, width of framework bar and the framework brace width greater than the vertical bar of truss; The lower end of frame vertical straight bar and framework brace is connected on the two sheer poles that laterally arrange side by side through bolt; Be provided with slide block in the following slotted eye of truss girder; Two sheer poles two ends link to each other with slide block with the bolt of truss girder through threaded engagement, and two sheer pole is connected with the vertical bar bolt of truss.
4. the medium and small footpath modularization aluminium alloys pedestrian bridge of striding in the single span 30m as claimed in claim 3; It is characterized in that: said guidance tape is a hollow-core construction; The width of guidance tape is 100mm～300mm, highly is not less than 2mm for 40mm～100mm, wall thickness; The end face of guidance tape and the edge of bottom surface are provided with cantilever, and adjacent guidance tape is through the cantilever overlap joint, and the width of cantilever is not less than 10mm; The soffit of guidance tape is fixedly connected with the upper surface of framework bar through gusset, and the width of gusset is not less than 50mm, thickness is not less than 3mm.
5. the medium and small footpath modularization aluminium alloys pedestrian bridge of striding is characterized in that: be provided with plate in the water jacket hole slot abdomen of said truss girder in the single span 30m as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282929 CN202610698U (en) | 2012-06-15 | 2012-06-15 | Medium and small span modularization aluminum pedestrian bridge within single span of 30 m |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282929 CN202610698U (en) | 2012-06-15 | 2012-06-15 | Medium and small span modularization aluminum pedestrian bridge within single span of 30 m |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202610698U true CN202610698U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282929 Expired - Fee Related CN202610698U (en) | 2012-06-15 | 2012-06-15 | Medium and small span modularization aluminum pedestrian bridge within single span of 30 m |
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| CN (1) | CN202610698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452037A (en) * | 2013-08-23 | 2013-12-18 | 龙口丛林中德车体系统工程有限公司 | Overpass support frame splint connecting device |
| CN106677061A (en) * | 2016-12-15 | 2017-05-17 | 中国矿业大学 | Fabricated aluminum alloy-concrete composite bridge deck |
-
2012
- 2012-06-15 CN CN 201220282929 patent/CN202610698U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452037A (en) * | 2013-08-23 | 2013-12-18 | 龙口丛林中德车体系统工程有限公司 | Overpass support frame splint connecting device |
| CN106677061A (en) * | 2016-12-15 | 2017-05-17 | 中国矿业大学 | Fabricated aluminum alloy-concrete composite bridge deck |
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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: 20121219 Termination date: 20170615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |