CN202672022U - Large span modularized aluminium alloy foot bridge with single span of 30 meters -60 meters - Google Patents
Large span modularized aluminium alloy foot bridge with single span of 30 meters -60 meters Download PDFInfo
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- CN202672022U CN202672022U CN 201220282938 CN201220282938U CN202672022U CN 202672022 U CN202672022 U CN 202672022U CN 201220282938 CN201220282938 CN 201220282938 CN 201220282938 U CN201220282938 U CN 201220282938U CN 202672022 U CN202672022 U CN 202672022U
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Abstract
A large span modularized aluminium alloy foot bridge with a single span of 30 meters - 60 meters comprises main truss girders at two sides, and a transverse frame and floor plates between the main truss girders, wherein the floor plates are paved on the transverse frame, each main truss girder comprises a truss main beam, truss vertical rods and truss sway rods, the tops of each truss vertical rod and each truss sway rod are connected with the truss main beam, the length of the truss main beam is 30 meters - 60 meters, the height of the truss main beam is 250 millimeters - 550 millimeters, the transverse frame comprises a frame cross rod, a double-lower cross rod, frame vertical rods and frame sway rods, the upper ends of each frame vertical rod and each frame sway rod are connected with the frame cross rod, the lower ends of each frame vertical rod and each frame sway rod are connected with the double-lower cross rod, and two ends of the frame cross rod and the double-lower cross rod are connected with the main truss girders. The large span modularized aluminium alloy foot bridge with the single span of 30meters - 60 meters is reasonable in design, is simple and convenient to construct, adopts slide blocks, bolts and other standard components to connect each rod piece, achieves standardized production and modularized installation and detachment in a factory conveniently, shortens a construction period, and can lower the construction cost of a single bridge girder.
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 striden greatly directly Modularized aluminum alloy pedestrian bridge for the single span 30m～60m of " yi word pattern ", " I shape ", " U font ", " hollow " and " polygonal " pedestrian overcrossing.
Background technology
The bridge construction of China is take concrete and steel work as main.Concrete material is cheap, but structure bulky, structure is heavy, application life is short; Steel work is relatively light, but corrosion easily occurs steel, 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, and its high-strength light that has, corrosion-resistant, easy processing, easily regeneration, landscape effect be good, not carrying magnetic and the advantage such as nontoxic, makes it be suitable for building aluminium alloy bridge.Though the aluminium alloy bridge case history is arranged abroad, but it still adopts traditional form of structure, the main beam structure form is floor beam or simple and easy case beam, form is too dull, the section bar cross section of adopting is that special bridge is special-purpose, processing installation process relative complex, construction cost is higher, can not realize that factory normalization production and modularization are installed, dismounting.Above-mentioned limitation is greatly limited the popularization of aluminium alloy bridge.
Aluminium alloy bridge realizes that not yet the main cause of modularization production and processing 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 in order to run other miscellaneous function of phase for bridge; 2, process technology and manufacture craft are not mature enough, and the connection between the structural element is processed coarse, can not realize the modularization production and processing, and single bridge cost is higher; 3, existing aluminium alloy bridge structure design form is heavy, can not embody the slim and graceful and attractive in appearance advantage of aluminium alloy bridge.
The utility model content
The utility model provides a kind of single span 30m～60m of factory normalization production and modularization installation and removal that realizes to stride greatly footpath Modularized aluminum alloy pedestrian bridge.
For achieving the above object, the technical solution of the utility model is: a kind of single span 30m～60m strides greatly footpath Modularized aluminum alloy pedestrian bridge, comprises 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; Described 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 the vertical bar of truss and truss brace links to each other with truss girder, and the length of truss girder is 30m～60m, highly for 250mm～550mm; Described 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 the vertical bar of described truss and truss brace is clamped by two back-to-back truss girders respectively, and is fixedly connected with by the bolt in the outer slotted eye of truss girder.
The upper end of described 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 framework brace greater than the width of the vertical bar of truss; The lower end of frame vertical straight bar and framework brace is bolted on the two sheer poles that be arranged in parallel side by side, be provided with slide block in the lower slotted eye of truss girder, two sheer poles two ends link to each other with slide block with the bolt of truss girder by threaded engagement, and two sheer pole is connected with the vertical bar bolt of truss.
Described guidance tape is hollow-core construction, and the width of guidance tape is 100mm～450mm, highly is not less than 2mm for 40mm～150mm, wall thickness, and the end face of guidance tape and the edge of bottom surface are provided with cantilever, and adjacent guidance tape overlaps by 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 by gusset, and the width of gusset is not less than 50mm, thickness is not less than 3.5mm.
Be provided with plate in the water jacket hole slot abdomen of described 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; Described 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 the vertical bar of truss and truss brace links to each other with truss girder, and the length of truss girder is 30m～60m, highly for 250mm～550mm; Described 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, 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, installation is easy, adopt the 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, the bridge external surface connected smooth-going, 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 structural representation of the present 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 of connection sliding block among Fig. 2;
Figure 12 is the right view of Figure 11.
The specific embodiment
Such as 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 and truss brace 22 are corresponding one by one, the upper/lower terminal of the vertical bar 21 of truss and truss brace 22 is clamped by two truss girders that arrange back-to-back 1 respectively, and the bolts in the outer slotted eye by truss girder 1 11 are fixedly connected with, and realize removably connecting.The length of truss girder 1 is that 30m, height H 1 are 250mm, and web thickness is at least 6mm, and the outside width of lower slotted eye 12 is than the large at least 10mm of groove abdomen width, to satisfy the structure stress requirement.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 bolted on the two sheer poles 3 that be arranged in parallel side by side.
Such as Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 11 and shown in Figure 12, be welded with interior plate 91 at 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, realization removably connects, 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.Be provided with slide block 8 in the lower slotted eye 12 of truss girder 1, two sheer poles 3 two ends link to each other with slide block 8 with the bolt of truss girder 1 by threaded engagement, and two sheer pole 3 is connected with vertical bar 21 bolts of truss, realize removably connecting.The width of lower slotted eye 12 middle slot abdomens and the degree of depth are convenient to slide block 8 in lower slotted eye 12 interior movements greater than width and the thickness of slide block 8, and the large at least 4mm of A/F of groove abdomen Width notch is to guarantee that slide block 8 can not skid off lower slotted eye 12.The wall thickness of lower slotted eye 12 is at least 3mm, can stretch out slide block 8 in the groove abdomen outward guarantee to connect with bolt head.
Such as Fig. 3, Fig. 4 and shown in Figure 9, guidance tape 5 is 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 by cantilever 51 overlap joints, and the soffit of guidance tape 5 is fixedly connected with by the upper surface of gusset 7 with framework bar 6.Guidance tape 5 is reserved transverse expansion joint on framework bar 6 tops, guidance tape 5 is riveted by gusset 7 with framework bar 6, and the width of gusset 7 is that 50mm, thickness are 3.5mm.
In the present 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 the 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 determined 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 aluminium alloy plate with outer panel 92.
Number of assembling steps of the present utility model is as follows: 1) lead frame brace 42 and framework bar 6, at framework bar 6 and framework brace 42 ends welding interior plate 91; 2) be bolted truss girder 1, the vertical bar 21 of truss and truss brace 22; 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 lower slotted eye 12 of both sides truss girder 1, be bolted truss girder 1 and two sheer poles 3, be bolted the vertical bar 21 of truss and two sheer poles 3; 5) be bolted interior plate 91 and outer panel 92; 6) guidance tape 5 is riveted on the framework bar 6 by gusset 7; 7) the outer slotted eye 11 groove abdomen interpolations at truss girder 1 plug plate 10.
The utility model can be used for the bridge of pedestrian crossing, crossing bridge and pierhead trestle, applicable pedestrian overcrossing bridge type has " yi word pattern ", " I shape ", " U font ", " hollow " and " polygon ", 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 45m, height H 1 are 400mm; The width L2 of guidance tape 5 is that 275mm, height H 2 are 4mm for 95mm, wall thickness t; The width L3 of cantilever 51 is 15mm; The width of gusset 7 is that 60mm, thickness are 4mm.
Claims (5)
1. a single span 30m～60m strides greatly footpath Modularized aluminum alloy pedestrian bridge, it 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; Described 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 the vertical bar of truss and truss brace links to each other with truss girder, and the length of truss girder is 30m～60m, highly for 250mm～550mm; Described 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. single span 30m～60m as claimed in claim 1 strides greatly footpath Modularized aluminum alloy pedestrian bridge, it is characterized in that: the upper/lower terminal of the vertical bar of described truss and truss brace is clamped by two back-to-back truss girders respectively, and is fixedly connected with by the bolt in the outer slotted eye of truss girder.
3. single span 30m～60m as claimed in claim 1 or 2 strides greatly footpath Modularized aluminum alloy pedestrian bridge, it is characterized in that: the upper end of described 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 framework brace greater than the width of the vertical bar of truss; The lower end of frame vertical straight bar and framework brace is bolted on the two sheer poles that be arranged in parallel side by side, be provided with slide block in the lower slotted eye of truss girder, two sheer poles two ends link to each other with slide block with the bolt of truss girder by threaded engagement, and two sheer pole is connected with the vertical bar bolt of truss.
4. single span 30m～60m as claimed in claim 3 strides greatly footpath Modularized aluminum alloy pedestrian bridge, it is characterized in that: described guidance tape is hollow-core construction, the width of guidance tape is 100mm～450mm, highly is not less than 2mm for 40mm～150mm, wall thickness, the end face of guidance tape and the edge of bottom surface are provided with cantilever, adjacent guidance tape overlaps by 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 by gusset, and the width of gusset is not less than 50mm, thickness is not less than 3.5mm.
5. single span 30m～60m as claimed in claim 4 strides greatly footpath Modularized aluminum alloy pedestrian bridge, it is characterized in that: be provided with plate in the water jacket hole slot abdomen of described truss girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282938 CN202672022U (en) | 2012-06-15 | 2012-06-15 | Large span modularized aluminium alloy foot bridge with single span of 30 meters -60 meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282938 CN202672022U (en) | 2012-06-15 | 2012-06-15 | Large span modularized aluminium alloy foot bridge with single span of 30 meters -60 meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202672022U true CN202672022U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282938 Expired - Fee Related CN202672022U (en) | 2012-06-15 | 2012-06-15 | Large span modularized aluminium alloy foot bridge with single span of 30 meters -60 meters |
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Cited By (5)
| 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 |
| CN105040573A (en) * | 2015-07-01 | 2015-11-11 | 镇海建设集团有限公司 | Simple bridge |
| CN108193587A (en) * | 2017-12-30 | 2018-06-22 | 贵阳铝镁设计研究院有限公司 | A kind of device of aluminium alloy assembled trestle and preparation method thereof |
| CN109024226A (en) * | 2018-09-05 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Using the steel girder bridge joint structure and construction method of rivet interlacement |
| CN111236041A (en) * | 2018-11-28 | 2020-06-05 | 贵阳铝镁设计研究院有限公司 | Aluminum alloy structure pedestrian bridge ladder way canopy connection structure |
-
2012
- 2012-06-15 CN CN 201220282938 patent/CN202672022U/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN105040573A (en) * | 2015-07-01 | 2015-11-11 | 镇海建设集团有限公司 | Simple bridge |
| CN105040573B (en) * | 2015-07-01 | 2016-11-30 | 镇海建设集团有限公司 | A kind of Simple bridge |
| CN108193587A (en) * | 2017-12-30 | 2018-06-22 | 贵阳铝镁设计研究院有限公司 | A kind of device of aluminium alloy assembled trestle and preparation method thereof |
| CN108193587B (en) * | 2017-12-30 | 2023-10-03 | 贵阳铝镁设计研究院有限公司 | Device of aluminum alloy assembled trestle and manufacturing method thereof |
| CN109024226A (en) * | 2018-09-05 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Using the steel girder bridge joint structure and construction method of rivet interlacement |
| CN111236041A (en) * | 2018-11-28 | 2020-06-05 | 贵阳铝镁设计研究院有限公司 | Aluminum alloy structure pedestrian bridge ladder way canopy connection structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20170615 |