CN205636509U - Light -duty special bridge crane of empty core plate - Google Patents
Light -duty special bridge crane of empty core plate Download PDFInfo
- Publication number
- CN205636509U CN205636509U CN201620441285.7U CN201620441285U CN205636509U CN 205636509 U CN205636509 U CN 205636509U CN 201620441285 U CN201620441285 U CN 201620441285U CN 205636509 U CN205636509 U CN 205636509U
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- boom
- web member
- associate
- cored slab
- special light
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Abstract
The utility model discloses a light -duty special bridge crane of empty core plate, including " A " type girder, preceding landing leg (9), well landing leg (12), in vice landing leg (13), back landing leg (16), jack -up overhead traveling crane (19), " A " type girder below has connected gradually preceding landing leg (9), well landing leg (12), in vice landing leg (13), back landing leg (16), be connected with between upper chord (1) and lower chord (10) of " A " type girder web member A (4) and web member B (6), last quarter crossbeam (11) are equipped with between lower chord (10), all be equipped with in upper chord (1) and lower chord (10) fore -and -aft prestressing steel (2), mobilizable jack -up overhead traveling crane (19) are equipped with at upper chord (1) top, jack -up overhead traveling crane (19) below is provided with hoist (22). The utility model discloses simple structure, simple operation, safety and stability, easy dismounting are fit for using widely of empty core plate bridging.
Description
Technical field
This utility model belongs to bridge construction device technique field, relates in particular to a kind of special light-duty Bridge Erector of cored slab.
Background technology
In the old roads reconstruction engineering that high-grade highway, municipal public engineering and carrying etc. is upgraded, often having big, the Bridge using 22m cored slab, because its span is little, beam body deadweight is light, and construction machinery is less demanding, and extensive by insider is favored.
In the area that landform is smooth, the installation of 22m cored slab is relatively easy, uses the crane of 2 25 tons can carry out the installation of cored slab at beam slab two ends.But in Freeway of Mountain Range, the installation of 22m cored slab is the most relatively difficult.On the one hand under spanning, hypsography is relatively big, or crosses over cheuch, river, or crosses over existing highway open to traffic etc., and under bridge, transport channel is obstructed；On the other hand, there is no appropriate lifting machine job platform, because the factor such as operating radius, angle causes the Lifting Capacity of conventional lifting machine to decline.At this time, it may be necessary to select large tonnage lifting machine, meanwhile, the construction of builder's road is had higher requirement by large-tonnage machinery turnover field, causes construction cost to be significantly increased.If beam slab quantity is more, double guide beam bridge erecting machine can be used to install, but not for the double guide beam bridge erecting machine of 22m cored slab on market, large-tonnage Bridge Erector can only be used.But, large-tonnage Bridge Erector is overall more heavy, dismounting inconvenience, transport more difficulty, not only wastes one's talent on a petty job, and cost is high.
Summary of the invention
The purpose of this utility model be to overcome disadvantages mentioned above and provide a kind of simple in construction, simple operation, safety and stability, the special light-duty Bridge Erector of cored slab of easy accessibility.
This utility model purpose and solve its technical problem underlying and realize by the following technical solutions:
The special light-duty Bridge Erector of cored slab of the present utility model, including " A " type girder, supporting leg in front leg strut, middle secondary supporting leg, rear support leg, hoisting overhead travelling crane, it is connected with front leg strut in turn below " A " type girder, middle supporting leg, middle secondary supporting leg, rear support leg, wherein: connect between top boom and the lower boom of " A " type girder and have web member A and web member B, equipped with lower edge crossbeam between lower boom, longitudinal deformed bar it is respectively arranged with in top boom and lower boom, top boom top is equipped with moveable hoisting overhead travelling crane, suspender it is provided with below hoisting overhead travelling crane, top boom and lower boom are anterior equipped with front horizontal-associate A, front horizontal-associate B, rear portion is respectively provided with rear horizontal-associate.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: top boom, lower boom, web member A, web member B, lower edge crossbeam, front horizontal-associate A, front horizontal-associate B all use seamless steel pipe.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: top boom, lower boom all use a tooth male contact, silk tooth famale connector to be connected spreading.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: the two ends of deformed bar use nut tensioning fixation.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: be respectively provided with connecting plate, web member A and web member B on top boom, lower boom and be contained on connecting plate by pin, and web member A and web member B is combined into right angled triangle.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: lower edge crossbeam uses pin to be connected with lower boom.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: top boom top is connected by longitudinal roller box limiting plate of two block weldings hoisting overhead travelling crane.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: front horizontal-associate A all uses pin to be connected with top boom, front horizontal-associate A with lower boom, front horizontal-associate B and web member A, front horizontal-associate B and web member B.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: be welded with the longitudinal direction walking track of level outside lower boom, middle supporting leg, middle secondary supporting leg are placed in longitudinally walking between track.
The special light-duty Bridge Erector of above-mentioned cored slab, wherein: lower boom is placed in semicircular lower boom limiting plate, and U-shaped U-bolts is connected fixing to lower boom and lower edge crossbeam.
This utility model compared with the existing technology has clear advantage and beneficial effect.From above technical scheme, in the special light-duty Bridge Erector of cored slab of the present utility model, it is respectively arranged with longitudinal deformed bar in top boom and lower boom, alleviates dead load, improve girder bearing capacity, reduce girder bending-down deformation；Top boom, lower boom all use a tooth male contact, silk tooth famale connector to be connected spreading, dismount more convenient；Being respectively provided with connecting plate, web member A and web member B on top boom, lower boom to be contained on connecting plate by pin, front horizontal-associate A all uses pin to be connected with top boom, lower boom, and front horizontal-associate B and web member A, web member B use pin to be connected, easy accessibility, and reliability is high；And web member A and web member B is combined into right angled triangle, good stability.In a word, this utility model simple in construction, simple operation, safety and stability, easy accessibility, it is suitable for promoting the use of of cored slab bridge formation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the right view of this Fig. 1；
Fig. 3 is the partial enlarged drawing of a in Fig. 2；
Fig. 4 is the partial enlarged drawing of b in Fig. 2；
Fig. 5 is the scheme of installation of longitudinally walking track.
Figure identifies:
1, top boom；2, deformed bar；3, pin；4, web member A；5, connecting plate；6, web member B；7, silk tooth famale connector；8, nut；9, front leg strut；10, lower boom；11, lower edge crossbeam；12, middle supporting leg；13, middle secondary supporting leg；14, U-shaped U-bolts；15, lower boom limiting plate；16, rear support leg；17, silk tooth male contact；18, rear horizontal-associate；19, hoisting overhead travelling crane；20, front horizontal-associate A；21, longitudinal roller box limiting plate；22, suspender；23, front horizontal-associate B；24, longitudinal walking track.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the special light-duty Bridge Erector detailed description of the invention of cored slab, structure, feature and the effect thereof that the utility model proposes foundation, after describing in detail such as.
See Fig. 1 to Fig. 3, the special light-duty Bridge Erector of cored slab of the present utility model, including " A " type girder, front leg strut 9, middle supporting leg 12, middle secondary supporting leg 13, rear support leg 16, hoisting overhead travelling crane 19, it is connected with front leg strut 9 in turn below " A " type girder, middle supporting leg 12, middle secondary supporting leg 13, rear support leg 16, wherein: connect between top boom 1 and the lower boom 10 of " A " type girder and have web member A4 and web member B6, equipped with lower edge crossbeam 11 between lower boom 10, longitudinal deformed bar 2 it is respectively arranged with in top boom 1 and lower boom 10, top boom 1 top is equipped with moveable hoisting overhead travelling crane 19, suspender 22 it is provided with below hoisting overhead travelling crane 19, top boom 1 and lower boom 10 front portion are equipped with front horizontal-associate A20, front horizontal-associate B23, rear portion is respectively provided with rear horizontal-associate 18.Top boom 1, lower boom 10, web member A4, web member B6, lower edge crossbeam 11, front horizontal-associate A20, front horizontal-associate B23 all use seamless steel pipe.Top boom 1, lower boom 10 all use silk tooth male contact 17, silk tooth famale connector 7 to be connected spreading.The two ends of deformed bar 2 use nut 8 tensioning fixation.It is respectively provided with connecting plate 5, web member A4 and web member B6 on top boom 1, lower boom 10 to be contained on connecting plate 5 by pin 3, and web member A4 and web member B6 is combined into right angled triangle.Lower edge crossbeam 11 uses pin 3 to be connected with lower boom 10.Top boom 1 top is connected by longitudinal roller box limiting plate 21 of two block weldings hoisting overhead travelling crane 19.Front horizontal-associate A20 all uses pin 3 to be connected with top boom 1, front horizontal-associate A20 with lower boom 10, front horizontal-associate B23 and web member A4, front horizontal-associate B23 and web member B6.Being welded with the longitudinal direction walking track 24 of level outside lower boom 10, middle supporting leg 12, middle secondary supporting leg 13 are placed in longitudinally walking between track 24.Lower boom 10 is placed in semicircular lower boom limiting plate 15, and U-shaped U-bolts 14 is connected fixing with lower edge crossbeam 11 for lower boom 10.
During use, top boom 1 and lower boom 10, web member A4, web member B6, the lower edge crossbeam 11 etc. of " A " type girder are connected with pin 3, it is assembled into a sections, then in top boom 1 and lower boom 10, load longitudinal prestressing reinforcing bar 2, the most piecemeal longitudinal prestressing reinforcing bar 2 after all assembly completes, is anchored by " A " type girder with fine-rolling screw nut 8.After monolithic girder assembly completes, assembled front leg strut 9, middle supporting leg 12, middle secondary supporting leg 13, rear support leg 16 again, and each supporting leg is taked interim fixation, then use crane by " A " type main cable and girder of monolithic to each supporting leg, in front leg strut 9, rear support leg 16 position, U-shaped U-bolts 14 is used to be connected fixing to the lower boom 10 of girder and supporting leg horizontal-associate, again another sheet girder is lifted to supporting leg top and fixes after assembly completes in the order described above, the front horizontal-associate A20 of girder, front horizontal-associate B23, rear horizontal-associate 18 are installed successively；On the ground by assembled complete for hoisting overhead travelling crane 19, crane is then used to be installed to top boom 1 by hoisting overhead travelling crane 19 by platform, by the correct para-position of longitudinal roller box limiting plate 21 of hoisting overhead travelling crane 19 and block.After bridge machine assembly completes, need to can carry out Installation of beam slab after detection, examination such as hang at the satisfied requirement.
Bridge Erector cross across time, first, adjust front leg strut 9, the oil cylinder of middle secondary supporting leg 13, jacking " A " type girder is to after suitable height, middle supporting leg 12 departs from ground, then in starting, the lengthwise rows walking system of supporting leg 12, moves forward on the beam slab of installation near front leg strut 9 by middle supporting leg 12, and then middle secondary supporting leg 13, front leg strut 9 oil cylinder oil return reduce girder height to middle supporting leg 12 stress.Then front leg strut 9, middle secondary supporting leg 13 jacking cylinder oil return, exit stress, and girder is supported by middle supporting leg 12, middle secondary supporting leg 13；Starting girder reach trailer system, girder moves forward until rear support leg 16 is close to middle secondary supporting leg 13；Then the oil cylinder of rear support leg 16 is adjusted, secondary supporting leg 13 stress during rear support leg 16 is replaced, in startup after secondary supporting leg 13 lengthwise rows walking system reach certain distance, adjust oil cylinder again and make middle supporting leg 12, middle secondary supporting leg 13, a piece of beam slab is transported as counterweight with fortune beam gun carriage, beam slab front end is hung on the hoisting overhead travelling crane 19 of front end, start girder reach system until front leg strut 9 moves forward on the bent cap of next pier.Use U-shaped U-bolts 14 to fix crossbeam and the girder lower boom 10 of front leg strut 9, rear support leg 16 the most again, and check the working order of each component of Bridge Erector.
This utility model simple in construction, simple operation, safety and stability, easy accessibility, be suitable for promoting the use of of cored slab bridge formation.
The above, it it is only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, any without departing from technical solutions of the utility model content, any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, all still falls within the range of technical solutions of the utility model.
Claims (10)
- null1. the special light-duty Bridge Erector of cored slab，Including " A " type girder、Front leg strut (9)、Middle supporting leg (12)、Middle secondary supporting leg (13)、Rear support leg (16)、Hoisting overhead travelling crane (19)，Front leg strut (9) it is connected with in turn below " A " type girder、Middle supporting leg (12)、Middle secondary supporting leg (13)、Rear support leg (16)，It is characterized in that: connecting between top boom (1) and the lower boom (10) of " A " type girder has web member A(4) and web member B(6)，Equipped with lower edge crossbeam (11) between lower boom (10),Longitudinal deformed bar (2) it is respectively arranged with in top boom (1) and lower boom (10)，Top boom (1) top is equipped with moveable hoisting overhead travelling crane (19)，Hoisting overhead travelling crane (19) lower section is provided with suspender (22)，Top boom (1) and lower boom (10) are anterior equipped with front horizontal-associate A(20)、Front horizontal-associate B(23)，Rear portion is respectively provided with rear horizontal-associate (18).
- 2. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: top boom (1), lower boom (10), web member A(4), web member B(6), lower edge crossbeam (11), front horizontal-associate A(20), front horizontal-associate B(23) all use seamless steel pipe.
- 3. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: top boom (1), lower boom (10) all use silk tooth male contact (17), silk tooth famale connector (7) to be connected spreading.
- 4. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: the two ends of deformed bar (2) use nut (8) tensioning fixation.
- 5. the special light-duty Bridge Erector of cored slab described in claim 1, it is characterized in that: on top boom (1), lower boom (10), be respectively provided with connecting plate (5), web member A(4) and web member B(6) be contained on connecting plate (5) by pin (3), and web member A(4) and web member B(6) it is combined into right angled triangle.
- 6. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: lower edge crossbeam (11) uses pin (3) to be connected with lower boom (10).
- 7. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: top boom (1) top is connected by longitudinal roller box limiting plate (21) of two block weldings hoisting overhead travelling crane (19).
- 8. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: front horizontal-associate A(20) with top boom (1), front horizontal-associate A(20) with lower boom (10), front horizontal-associate B(23) with web member A(4), front horizontal-associate B(23) with web member B(6) all use pin (3) to be connected.
- 9. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: lower boom (10) outside is welded with longitudinal direction walking track (24) of level, and middle supporting leg (12), middle secondary supporting leg (13) are placed in longitudinally walking between track (24).
- 10. the special light-duty Bridge Erector of cored slab as claimed in claim 1, it is characterised in that: lower boom (10) is placed in semicircular lower boom limiting plate (15), and U-shaped U-bolts (14) is connected fixing to lower boom (10) and lower edge crossbeam (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441285.7U CN205636509U (en) | 2016-05-16 | 2016-05-16 | Light -duty special bridge crane of empty core plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441285.7U CN205636509U (en) | 2016-05-16 | 2016-05-16 | Light -duty special bridge crane of empty core plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205636509U true CN205636509U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441285.7U Withdrawn - After Issue CN205636509U (en) | 2016-05-16 | 2016-05-16 | Light -duty special bridge crane of empty core plate |
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| CN (1) | CN205636509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780667A (en) * | 2016-05-16 | 2016-07-20 | 贵州路桥集团有限公司 | Special light type bridge girder erection machine for hollow slabs |
-
2016
- 2016-05-16 CN CN201620441285.7U patent/CN205636509U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780667A (en) * | 2016-05-16 | 2016-07-20 | 贵州路桥集团有限公司 | Special light type bridge girder erection machine for hollow slabs |
| CN105780667B (en) * | 2016-05-16 | 2017-08-25 | 贵州路桥集团有限公司 | The special light-duty Bridge Erector of cored slab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20170825 |