CN101024938A - Assembling type bridge-errecting machine - Google Patents
Assembling type bridge-errecting machine Download PDFInfo
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- CN101024938A CN101024938A CN 200710061584 CN200710061584A CN101024938A CN 101024938 A CN101024938 A CN 101024938A CN 200710061584 CN200710061584 CN 200710061584 CN 200710061584 A CN200710061584 A CN 200710061584A CN 101024938 A CN101024938 A CN 101024938A
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- machine
- errecting
- girder
- nose girder
- car
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Abstract
The invention relates to a bridging machine, especially a split bridging machine, comprising: two pairs of parallel guide beams, front leg, middle vehicle, rear vehicle, and lift shop traveler, where the guide beams are supported on the rear vehicle, middle vehicle and front leg, and each pair of guide beams comprise two parallel girders and horizontal and vertical links connected with the two girders, and it is characterized in that: it is of a two-span structure, the contact surface between guide beam and middle vehicle is arc-shaped, and the girder is spliced of type 87 military beams. And it has features of good whole machine stability, simple structure, operating convenience, and compact working procedure; splicing convenience, and flexible structure change, short production cycle, and high utilization ratio; and more reasonable force bearing structure.
Description
Technical field
The present invention relates to a kind of bridge formation machine, particularly a kind of assembling type bridge-errecting machine.
Background technology
Along with high-speed railway, Freeway Development, the problem of setting up of large-tonnage prefabricated case beam is outstanding further, therefore, various types of Large Box beam bridge formation machines have appearred abroad, as walking bridge formation machine, integration of transporting and building machine, following nose girder bridge formation machine, single beam girder erecting machine and two nose girder formula bridge formation machines etc.These dissimilar bridge formation machines respectively have pluses and minuses, and the characteristic of certain type of bridge formation machine adapts with concrete engineering-environment and operating condition often.Most stability are not fine, and bridge formation speed is slow, complex procedures.
Summary of the invention
The present invention is not fine in order to solve prior art bridge formation machine stability, and bridge formation speed is slow, and the problem of complex procedures provides a kind of assembling type bridge-errecting machine.
The present invention adopts following technical scheme to realize: assembling type bridge-errecting machine, comprise two secondary parallel nose girder, front leg strut, middle car, back car, lifting overhead traveling cranes, and nose girder is supported on back car, middle car and the front leg strut.Every secondary nose girder comprises that two parallel girder and the flat, vertical of connection girder join.The bridge formation machine is two straddle type structures, realizes large-tonnage bridge formation machine cantilever via hole, and stability, impact resistance are better.Span length's degree is 29～30m behind the bridge formation machine, generally is no more than 29.50m.
Girder forms with eight or seven formula military beam assembly groups, and the center to center distance D of two parallel girders is 1.6m.Flat, vertically join center to center distance design in view of the above.Changed the center to center distance 1.98m of existing girder, made bridge formation machine compact conformation, space compactness.
The contact surface of middle car crossbeam and nose girder is an arc.Make nose girder do minute movement or rotation with respect to middle car crossbeam, can not produce negative stress, force structure is more reasonable.The arc contact surface radius is 840 ± 20mm.
Assembling type bridge-errecting machine of the present invention can be realized 900 tons of rated load weights, adapts to 32 meters, 24 meters, 20 meters of spans.Table 1 is a basic mechanical design feature table of the present invention.
Table 1
| Project | Design performance index | Remarks |
| Rated load weight | 900 tons | |
| Adapt to span | 32 meters, 24 meters, 20 meters | |
| Bridge formation machine gross weight | 504 tons | |
| Outer profile size | 67.5×18.2×12.2m | Length * wide * height |
| Inner clear span | 14.1m | |
| The smallest curve radius of setting a roof beam in place | 3000m | |
| Allow the maximum operation longitudinal gradient | 20‰ | |
| The hanging beam rising or falling speed | 0.5m/min | |
| Maximum adjustable height | 7m | |
| The maximum traveling speed of main frame | 10m/min when 3m/min cuts to during via hole | Infinitely variable speeds |
| The purlin car weight carries maximum traveling speed | 3m/min | Infinitely variable speeds |
| The unloaded maximum traveling speed of purlin car | 10m/min | Infinitely variable speeds |
| The traversing speed of trolley | 0.4m/min | |
| Maximal input | 148kW | |
| Synthetic job speed | Every |
In the haul distance 10km |
| Allow the operation maximum wind power | 6 grades | |
| Non-operation wind-force | 11 grades | |
| Environment temperature | -20℃～50℃ |
The present invention has following beneficial effect with respect to prior art:
1, the present invention adopts two straddle type structures, and complete machine stability is good, and is simple in structure, easy and simple to handle, and operation is simple and direct; Can conveniently become and stride and the first and last hole is striden and set up; Can adapt to bridge longitudinal gradient and curve sets a roof beam in place.This has not only improved operating speed, particularly importantly, because operation sequence is simple, provides important condition for guaranteeing job safety.
2, nose girder agent structure girder of the present invention partly adopts existing equipment eight or seven sections road emergency steel girder assembly units, and this equipment can be taked the lease mode, therefore can reduce cost.Particularly after the completion of high-speed railway engineering, this machine can decompose immediately, and equipment facility can move and use it for anything else, the waste that no equipment laydown caused.And adopt the existing equipment of railway " eight or seven sections road emergency steel girder " to do girder, front face area is little, piece together prescription just, structural change is flexible, with short production cycle, equipment utilization rate height.
3, the arc contact surface of middle car crossbeam and nose girder makes nose girder do minute movement or rotation with respect to middle car crossbeam, can not produce subsidiary stress, and force structure is more reasonable.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the nose girder structural front view
Fig. 3 is the plan structure schematic diagram of girder
Fig. 4 is the structural representation of looking up of girder
Fig. 5 is the I-I sectional drawing of Fig. 2
Fig. 6 is the II-II sectional view of Fig. 2
Fig. 7 is middle car assembling schematic diagram
Fig. 8 is middle bassinet structure schematic diagram
Fig. 9 is the A place enlarged drawing of Fig. 8
Figure 10 is the D-D sectional view of Fig. 9
Among the figure: 1-nose girder, 1.1-girder, the flat connection of 1.2-, the vertical connection of 1.3-, 2-front leg strut, car among the 3-, car crossbeam among the 3.1-, car behind the 4-, 5-lifting overhead traveling crane, the center to center distance of D-two parallel girders, span length's degree behind the L-bridge formation machine, the arc contact surface radius of car crossbeam and nose girder among the R-
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present invention is described further, embodiment is used for illustrating of the present invention, rather than it is imposed any restrictions.
Assembling type bridge-errecting machine comprises two secondary parallel nose girder 1, front leg strut 2, middle car 3, back car 4, lifting overhead traveling cranes 5, and nose girder 1 is supported on back car 2, middle car 3 and the front leg strut 2, and the bridge formation machine is two straddle type structures.Span length's degree is 29～30m behind the bridge formation machine, generally between 29.05 to 29.50m.
Flat 1.2, vertical connection 1.3 that nose girder 1 comprises two parallel girders 1.1 and connects two girders 1.1.Girder 1.1 is made of eight or seven formula military beam assembly groups.The center to center distance D of two parallel girders 1.1 is 1.6m.Whole truss adopts bolt to connect, and the rod member that requires to guarantee same model can exchange, and every kind of rod member is all done template, and all hole groups utilize drill jig boring.
Middle car crossbeam 3.1 is an arc with the contact surface of nose girder 1.The arc contact surface radius is 840 ± 20mm.
Claims (4)
1, a kind of assembling type bridge-errecting machine, comprise two secondary parallel nose girder (1), front leg strut (2), middle car (3), back car (4), lifting overhead traveling cranes (5), nose girder (1) is supported on back car (4), middle car (3) and the front leg strut (2), every secondary nose girder (1) comprises two parallel girders (1.1) and connects flat (1.2) of two girders (1.1), vertical connection (1.3), it is characterized in that the bridge formation machine is two straddle type structures, nose girder (1) is an arc with the contact surface of middle car crossbeam (3.1), and girder (1.1) is made of eight or seven formula military beam assembly groups.
2, assembling type bridge-errecting machine according to claim 1 is characterized in that span length's degree L is 29～30m behind the bridge formation machine.
3, assembling type bridge-errecting machine according to claim 1 and 2, the center to center distance D that it is characterized in that two parallel girders (1.1) is 1.6m.
4, assembling type bridge-errecting machine according to claim 1 and 2, car crossbeam (3.1) is an arc with the contact surface of nose girder (1) in it is characterized in that, radius R is 840 ± 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710061584 CN101024938A (en) | 2007-03-09 | 2007-03-09 | Assembling type bridge-errecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710061584 CN101024938A (en) | 2007-03-09 | 2007-03-09 | Assembling type bridge-errecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101024938A true CN101024938A (en) | 2007-08-29 |
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ID=38743556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710061584 Pending CN101024938A (en) | 2007-03-09 | 2007-03-09 | Assembling type bridge-errecting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101024938A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219755B (en) * | 2007-12-14 | 2010-06-02 | 中铁大桥局股份有限公司 | Crane with heavy frame beam |
| CN101914898A (en) * | 2010-09-06 | 2010-12-15 | 中铁大桥局集团有限公司 | Guide beam for jacking construction of three truss steel beams |
| CN101956369B (en) * | 2009-07-20 | 2011-11-30 | 苏州大方特种车股份有限公司 | Guide beam type bridge erector |
| CN109183618A (en) * | 2017-06-30 | 2019-01-11 | 中交第二航务工程局有限公司 | A kind of Bridge Erector for prefabricated assembled bridge rapid construction |
-
2007
- 2007-03-09 CN CN 200710061584 patent/CN101024938A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219755B (en) * | 2007-12-14 | 2010-06-02 | 中铁大桥局股份有限公司 | Crane with heavy frame beam |
| CN101956369B (en) * | 2009-07-20 | 2011-11-30 | 苏州大方特种车股份有限公司 | Guide beam type bridge erector |
| CN101914898A (en) * | 2010-09-06 | 2010-12-15 | 中铁大桥局集团有限公司 | Guide beam for jacking construction of three truss steel beams |
| CN109183618A (en) * | 2017-06-30 | 2019-01-11 | 中交第二航务工程局有限公司 | A kind of Bridge Erector for prefabricated assembled bridge rapid construction |
| CN109183618B (en) * | 2017-06-30 | 2023-12-19 | 中交第二航务工程局有限公司 | Bridge girder erection machine for rapid construction of prefabricated bridge |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |