CN104929045A - Box girder transfer platform and girder feeding and fetching method - Google Patents
Box girder transfer platform and girder feeding and fetching method Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
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- 238000009415 formwork Methods 0.000 description 1
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Abstract
The invention discloses a box girder transfer platform and a girder feeding and fetching method, and relates to the technical field of bridge construction. The box girder transfer platform comprises a section of subgrade surface. A slope gully is formed in the middle of the subgrade surface and divided into two sections, the front section is provided with a slope, and the rear section is parallel with the subgrade surface. The rear section is slightly longer than a parked girder transfer cart, and the depth of the rear section of the slope gully is equal to the height of the girder transfer cart. A girder transfer cart subgrade surface butt-joint pedestal is arranged on one side of the rear section of the slope gully and paved with a track. A platform where a frame transfer all-in-one machine is stored is arranged at the position, corresponding to the track, of one side of the subgrade surface. Box girders are fed or fetched by means of the girder transfer cart, the frame transfer all-in-one machine and other devices, construction labor is small, and cost is low. The box girder transfer platform and the girder feeding and fetching method are used for field construction of girders and facilitate transportation of box girders.
Description
Technical field
The present invention relates to technical field of bridge construction, especially a kind of treat frame case beam transferring platform and feeding beam, get beam method.
Background technology
Along with the development that China's infrastructure is quick, sane, Chinese Railway has entered the great-leap-forward development stage.Because railway construction belongs to infrastructure construction, country drops into huge, and in work progress, be also faced with many problems, such as construction cost is high.In railway construction construction, first need the key issue solved to be as how lower construction cost, higher efficiency of construction, high-quality completes construction object, meets growing demand.
At present, in the work progress of railroad bridge, large concrete boxes beam becomes the vitals on overhead route as weight support, and due to the weight of this large concrete boxes beam large, very difficult when transporting and build overhead railway.At present, the scheme of architecture of case beam is varied, is divided into integral prefabricated erection, precast segment is assembled, incremental launching method, mobile formwork are cast-in-place, Hanging Basket cantilever pouring construction etc. according to the structure of case beam.On the whole, integral prefabricated erection is best in quality, most effective.
In addition, during in precast beam field to integration of transporting and building machine dress beam, feeding beam is realized owing to can not directly be sent into after integration of transporting and building machine by the case beam on lifting beam machine.So the bridge floor outside of precast beam field at the construction field (site) needs to arrange a special traversing platform usually, carry out the operation of dress beam by this traversing platform.In traversing process, require high, great in constructing amount to platform base, adopting said method is high to lifting beam machine dress beam cost, and construct loaded down with trivial details, efficiency of construction is low, and getting the beam time is 1.5 hours.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of case girder transferring platform and feeding beam, gets beam method, by utilizing the equipment such as Beam transportation vehicle and integration of transporting and building machine, realizing the feeding beam of case beam and getting beam operation, construction volume is little, cost is low, builds, facilitate the transport of case beam for beam place.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of case girder transferring platform, it is characterized in that comprising stretch basal plane, one section of slope ditch is provided with in the middle part of road bed, slope ditch is divided into two sections, and leading portion has the gradient, and back segment is parallel with road bed, the length of back segment is greater than the Beam transportation vehicle length of parking, and the back segment degree of depth of slope ditch is equal with Beam transportation vehicle height; Beam transportation vehicle gooseneck docking pedestal is provided with in the back segment side of slope ditch, the road bed in docking pedestal front lays track, docking pedestal being provided with the short rail docked between track with Beam transportation vehicle overriding beam dolly, being provided with the platform for depositing integration of transporting and building machine in road bed side, with track correspondence position.
Be further qualified above-mentioned case girder transferring platform structure, the cross-directional length of the leading portion of described slope ditch is at least 2.5 times of Beam transportation vehicle length, and its gradient is less than 1.7%, and the back segment of slope ditch is connected with leading portion minimum point.
Be further qualified above-mentioned case girder transferring platform structure, the direction of described docking pedestal is identical with direction of setting a roof beam in place, and the bearing requirements of docking pedestal meets gooseneck bearing requirements in integration of transporting and building machine.
Above-mentioned case girder transferring platform structure is further qualified, the length of described track is greater than case beam length and integration of transporting and building machine travelling wheel length sum, track laying absolute altitude should be consistent with road bed end face absolute altitude, and reservedly on the left of erection direction carry beam dolly cable channel on the back.
Be further qualified above-mentioned case girder transferring platform structure, the length of described platform is greater than integration of transporting and building captain degree, and reduce in road bed side at the tail end of platform, the end face of platform is concordant with road bed.
Utilize the feeding beam of case girder transferring platform, get beam method, it is characterized in that feeding beam method comprises step as follows:
Step one: Beam transportation vehicle, by before box girder transport to the operation platform set up, enters in the back segment of slope ditch, connects with docking pedestal;
Step 2: Beam transportation vehicle is close to gooseneck place driver's cabin left swing 90 °, and Beam transportation vehicle moves forward, and Beam transportation vehicle front end and short rail are overlapped, and the short rail of overlap joint is installed, ensure that Beam transportation vehicle overlaps short rail and orbital docking;
Step 3: the front and back above Beam transportation vehicle carry on the back beam dolly along Beam transportation vehicle end face track, overlap short rail and synchronously proceed on track, and trolley traveling position after reserved integration of transporting and building machine, wait for that beam got by all-in-one;
Getting beam method, to comprise step as follows:
Step one: integration of transporting and building machine is placed on platform, when hunchbacked beam dolly transport case beam stops to when getting beam position, integration of transporting and building machine is traversing on road bed by traversing mode, and runs to the top of track, stops at and gets beam position;
Step 2: integration of transporting and building machine is traversing get beam after, traversingly return platform;
Step 3: Beam transportation vehicle return by the hunchbacked beam dolly be positioned on track, returns Liang Chang by Beam transportation vehicle and transports beam;
Step 4: integration of transporting and building machine is taken 90 °, beam and to be turned to or the Eight characters turns to and forwards main track traveling to, completes and gets beam.
Utilize the feeding beam of case girder transferring platform, get beam method, can also first put integration of transporting and building machine, then feeding beam, comprises step as follows:
Step one: Beam transportation vehicle, by before box girder transport to the operation platform set up, enters in the back segment of slope ditch, connects with docking pedestal;
Step 2: Beam transportation vehicle is close to gooseneck place driver's cabin left swing 90 °, and Beam transportation vehicle moves forward, and Beam transportation vehicle front end and track are overlapped, and the short rail of overlap joint is installed, ensure that Beam transportation vehicle overlaps short rail and orbital docking;
Step 4: integration of transporting and building machine is placed on platform, when hunchbacked beam dolly transport case beam stops to when getting beam position, integration of transporting and building machine is traversing on road bed by traversing mode, and runs to the top of track, stops after reserved integration of transporting and building machine behind trolley traveling position simultaneously;
Step 5: the front and back above Beam transportation vehicle carry on the back beam dolly along Beam transportation vehicle end face track, overlap short rail and synchronously proceed on track, carry on the back below beam carriage walking to integration of transporting and building machine, prepare to get beam;
Step 6: integration of transporting and building machine is traversing get beam after, traversingly return platform;
Step 7: Beam transportation vehicle return by the hunchbacked beam dolly be positioned on track, returns Liang Chang by Beam transportation vehicle and transports beam;
Step 8: integration of transporting and building machine is taken 90 °, beam and to be turned to or the Eight characters turns to and forwards main track traveling to, completes and gets beam.
The beneficial effect adopting technique scheme to produce is: case girder transferring platform facility of the present invention is simple, convenient construction, and cost is low, can set up near setting a roof beam in place, and avoids long distance fortune beam, saves fortune beam cost and time; In addition, technical scheme of the present invention utilizes Beam transportation vehicle to realize fortune beam at the scene, and avoid the transport of integration of transporting and building captain distance, the weight and volume of Beam transportation vehicle own is less than integration of transporting and building machine, convenient by small-bore bridge openings such as CFST X-type arch.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 a is structural representation in the present invention;
Fig. 1 b is the top view of Fig. 1 a;
Fig. 2 a is the schematic diagram of Beam transportation vehicle and case beam in the present invention;
Fig. 2 b is the longitudinal cross-section schematic diagram of Fig. 2 a;
Fig. 3 ~ 5 are feeding beam operation schematic diagram, and wherein (a) is front view, and (b) is top view;
Fig. 6 ~ 11 are for getting beam operation schematic diagram, and wherein (a) is front view, and (b) is top view;
Wherein: 1, road bed, 2, Po Gou, 3, docking pedestal, 4, road bed end face, 5, track, 6, platform, 7, Beam transportation vehicle, 8, carry beam dolly on the back, 9, case beam, 10, driver's cabin.
Detailed description of the invention
1 is known with reference to the accompanying drawings, the present invention is specifically related to a kind of case girder transferring platform, comprising stretch basal plane 1, one section of slope ditch 2 is provided with in the middle part of road bed 1, slope ditch 2 is divided into two sections, leading portion has the gradient, back segment is parallel with road bed 1, the length of back segment is a bit larger tham Beam transportation vehicle 7 length of parking, and the back segment degree of depth of slope ditch 2 is highly equal with Beam transportation vehicle 7, the cross-directional length of the leading portion of slope ditch 2 is at least 2.5 times of Beam transportation vehicle 7 length, its gradient is greater than 1.7%, the back segment of slope ditch 2 is connected with leading portion minimum point, when conditions permit, the gradient is better less, be provided with Beam transportation vehicle 7 in the back segment side of slope ditch 2 close to gooseneck docking pedestal 3, the direction of docking pedestal 3 is identical with direction of setting a roof beam in place, and the bearing requirements of docking pedestal 3 meets gooseneck bearing requirements in integration of transporting and building machine, docking pedestal 3 is laid the short rail of docking, the length of track 5 is at least more than or equal to case beam 9 length and integration of transporting and building machine travelling wheel length sum, absolute altitude laid by track 5 should be consistent with road bed end face 4 absolute altitude, and reservedly on the left of erection direction carry beam dolly 8 cable channel on the back, be provided with the platform 6 for depositing integration of transporting and building machine in road bed 1 side, with track 5 correspondence position, the length of platform 6 is greater than 2 times of integration of transporting and building captain degree, and reduce in road bed 1 side at the tail end of platform 6, the end face of platform 6 is concordant with road bed 1.
Be 32.6m at span length, load-carrying is the case beam of 900 tons, requirement for case girder transferring land regions and place: road bed 1 needs to use 330m long, need to excavate 185m at positive line basal plane 1, the slope ditch 2 that wherein 140m is long, its gradient 2%, cutting depth 2750mm, 45m are long parks heavily loaded Beam transportation vehicle; Immediately need making 4.5 meters long Beam transportation vehicle gooseneck docking pedestal 3 along direction excavation road bed of setting a roof beam in place, the gooseneck bearing requirements of during docking 400 tons should be met; Need laying 65 meters of long tracks (using the steel plate of 40mm × 200mm) at gooseneck docking pedestal 3, track should meet the requirement of single wheel load 50 tons; When track 5 is laid, absolute altitude should be consistent with ground level, and reserve on the left of erection direction simultaneously and carry beam dolly cable channel on the back, the concrete size of preformed groove determines by the final Beam transportation vehicle parameter request adopted; Long 225m is built in the side of immediately excavating road bed, the platform of wide 14m, and platform should meet the bearing requirements of all-in-one tire 0.8MPa.
The equipment requirement adopted: carry beam dolly wheel load 48 tons on the back, Beam transportation vehicle tire grounding pressure 0.6Mpa, Beam transportation vehicle auxiliary leg support force 100 tons, integration of transporting and building machine heavy duty tire grounding pressure 0.8Mpa, integration of transporting and building machine the is traversing single support force of 3# supporting leg 550 tons when turning to, the single support force of rear chassis oil cylinder 200 tons.
Utilize above-mentioned case girder transferring platform, coordinate the equipment such as Beam transportation vehicle and integration of transporting and building machine, realize feeding beam, get beam operation, its concrete steps are as follows.
1, Beam transportation vehicle feeding beam step
Step one: Beam transportation vehicle, by before box girder transport to the operation platform set up, enters in the back segment of slope ditch 2, connects with docking pedestal 3, as shown in Figure 3;
Step 2: gooseneck place driver's cabin left swing 90 °, Beam transportation vehicle moves forward, and installation is carried beam dolly on the back and overlapped short rail, Beam transportation vehicle end face track is docked, as shown in Figure 4 with platform track;
Step 3: the front and back above Beam transportation vehicle 7 carry on the back beam dolly 8 along Beam transportation vehicle 7 end face track, overlap short rail and synchronously proceed on track 5, and trolley traveling position after reserved integration of transporting and building machine, wait for that beam got by all-in-one, as shown in Figure 5;
2, beam step got by integration of transporting and building machine:
Step one: integration of transporting and building machine is turned to by the Eight characters that integration of transporting and building machine carries or transverse-moving mechanism forwards on the platform of increase along 90 degree of directions, as shown in Figure 6;
Step 2: traversing 90 degree of integration of transporting and building machine walks to walk to get beam position, as shown in Figure 7;
Step 3: integration of transporting and building machine is traversing gets beam, as shown in Figure 8;
Step 4: integration of transporting and building machine traversing time newly-increased platform, as shown in Figure 9.
Step 5: Beam transportation vehicle return by hunchbacked beam dolly, as shown in Figure 10.
Step 6: Beam transportation vehicle returns Liang Chang and transports beam, integration of transporting and building machine is taken 90 °, beam and to be turned to or the Eight characters turns to and forwards main track traveling to, as shown in Figure 11.
On the basis of above-mentioned steps, can also change above-mentioned operation, first freight rate all-in-one is placed on track 5, then integration of transporting and building machine feeding beam is being given by fortune beam dolly 8, can first arrive dress beam at integration of transporting and building machine so on-the-spot, and Beam transportation vehicle is not then, the scheme of employing, the program can be saved and be got the beam time, increases work efficiency.
Claims (7)
1. a case girder transferring platform, it is characterized in that comprising stretch basal plane (1), road bed (1) middle part is provided with one section of slope ditch (2), slope ditch (2) is divided into two sections, leading portion has the gradient, back segment is parallel with road bed (1), and the length of back segment is greater than Beam transportation vehicle (7) length of parking, and the back segment degree of depth of slope ditch (2) is highly equal with Beam transportation vehicle (7); Beam transportation vehicle (7) gooseneck docking pedestal (3) is provided with in the back segment side of Po Gou (2), the road bed (1) in docking pedestal (3) front lays track (5), docking pedestal (3) being provided with the short rail docked between track (5) with Beam transportation vehicle (7) overriding beam dolly (8), being provided with the platform (6) for depositing integration of transporting and building machine in road bed (1) side, with track (5) correspondence position.
2. a kind of case girder transferring platform according to claim 1, it is characterized in that the cross-directional length of the leading portion of described slope ditch (2) is at least 2.5 times of Beam transportation vehicle (7) length, its gradient is less than 1.7%, and the back segment of slope ditch (2) is connected with leading portion minimum point.
3. a kind of case girder transferring platform according to claim 1, is characterized in that the direction of described docking pedestal (3) is identical with direction of setting a roof beam in place, and the bearing requirements of docking pedestal (3) meets gooseneck bearing requirements in integration of transporting and building machine.
4. a kind of case girder transferring platform according to claim 1, it is characterized in that the length of described track (5) is greater than case beam (9) length and integration of transporting and building machine travelling wheel length sum, track (5) lay absolute altitude should be consistent with road bed end face (4) absolute altitude, and erection direction on the left of reserve carry beam dolly (8) cable channel on the back.
5. a kind of case girder transferring platform according to claim 1, it is characterized in that the length of described platform (6) is greater than integration of transporting and building captain degree, reduce in road bed (1) side at the tail end of platform (6), the end face of platform (6) is concordant with road bed (1).
6. utilize the feeding beam of the case girder transferring platform described in claim 1, get beam method, it is characterized in that feeding beam method comprises step as follows:
Step one: Beam transportation vehicle (7) enters in the back segment of Po Gou (2) before case beam (9) is transported to the operation platform set up, connects with docking pedestal (3);
Step 2: Beam transportation vehicle (7) is close to gooseneck place driver's cabin (10) left swing 90 °, and Beam transportation vehicle (7) moves forward, and Beam transportation vehicle (7) front end and track (5) are overlapped, and the short rail of overlap joint is installed, ensure that Beam transportation vehicle (7) overlaps short rail and docks with track (5);
Step 3: the front and back of Beam transportation vehicle (7) top carry on the back beam dolly (8) along Beam transportation vehicle (7) end face track, overlap short rail and synchronously proceed on track (5), and trolley traveling position after reserved integration of transporting and building machine, wait for that beam got by all-in-one;
Getting beam method, to comprise step as follows:
Step one: integration of transporting and building machine is placed on platform (6), when hunchbacked beam dolly (8) transport case beam stops to when getting beam position, integration of transporting and building machine is traversing on road bed by traversing mode, and runs to the top of track (5), stops at and gets beam position;
Step 2: integration of transporting and building machine is traversing get beam after, traversingly return platform (6);
Step 3: Beam transportation vehicle (7) return by the hunchbacked beam dolly be positioned on track (5), returns Liang Chang by Beam transportation vehicle (7) and transports beam;
Step 4: integration of transporting and building machine is taken 90 °, beam and to be turned to or the Eight characters turns to and forwards main track traveling to, completes and gets beam.
7. utilize the feeding beam of the case girder transferring platform described in claim 1, get beam method, it is characterized in that comprising step as follows:
Step one: Beam transportation vehicle (7) enters in the back segment of Po Gou (2) before case beam (9) is transported to the operation platform set up, connects with docking pedestal (3);
Step 2: Beam transportation vehicle (7) is close to gooseneck place driver's cabin (9) left swing 90 °, and Beam transportation vehicle (7) moves forward, and Beam transportation vehicle (7) front end and track (5) are overlapped, and the short rail of overlap joint is installed, ensure that Beam transportation vehicle (7) overlaps short rail and docks with track (5);
Step 4: integration of transporting and building machine is placed on platform (6), when hunchbacked beam dolly (8) transport case beam stops to when getting beam position, integration of transporting and building machine is traversing on road bed by traversing mode, and runs to the top of track (5), stops after reserved integration of transporting and building machine behind trolley traveling position simultaneously;
Step 5: the front and back of Beam transportation vehicle (7) top carry on the back beam dolly (8) along Beam transportation vehicle (7) end face track, overlap short rail and synchronously proceed on track (5), carry beam dolly (8) on the back and run to below integration of transporting and building machine, prepare to get beam;
Step 6: integration of transporting and building machine is traversing get beam after, traversingly return platform (6);
Step 7: Beam transportation vehicle (7) return by the hunchbacked beam dolly be positioned on track (5), returns Liang Chang by Beam transportation vehicle (7) and transports beam;
Step 8: integration of transporting and building machine is taken 90 °, beam and to be turned to or the Eight characters turns to and forwards main track traveling to, completes and gets beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215639.6A CN104929045B (en) | 2015-04-30 | 2015-04-30 | Box girder transfer platform and girder feeding and fetching method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510215639.6A CN104929045B (en) | 2015-04-30 | 2015-04-30 | Box girder transfer platform and girder feeding and fetching method |
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| Publication Number | Publication Date |
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| CN104929045A true CN104929045A (en) | 2015-09-23 |
| CN104929045B CN104929045B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510215639.6A Expired - Fee Related CN104929045B (en) | 2015-04-30 | 2015-04-30 | Box girder transfer platform and girder feeding and fetching method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105735144A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Bridge arch segment right-angle turning method |
| CN105887687A (en) * | 2016-04-25 | 2016-08-24 | 中铁十七局集团第三工程有限公司 | Method for detaching main beam of lifting beam machine |
| CN109356031A (en) * | 2018-11-19 | 2019-02-19 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face, which is given another the right of way, transports Liangping platform and its method |
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| CN102785908A (en) * | 2012-09-03 | 2012-11-21 | 贵州路桥集团有限公司 | Automatic rotary type beam transport flat car |
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| US20080301889A1 (en) * | 2007-06-05 | 2008-12-11 | Samsung Corporation | Construction method for girder in bridge, crane for pulling up girder, vehicle for carring girder, and girder used for the same |
| CN201099835Y (en) * | 2007-08-31 | 2008-08-13 | 中铁三局集团有限公司 | Hydraulic automatic leveling transport trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105735144A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Bridge arch segment right-angle turning method |
| CN105887687A (en) * | 2016-04-25 | 2016-08-24 | 中铁十七局集团第三工程有限公司 | Method for detaching main beam of lifting beam machine |
| CN109356031A (en) * | 2018-11-19 | 2019-02-19 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face, which is given another the right of way, transports Liangping platform and its method |
| CN109356031B (en) * | 2018-11-19 | 2023-10-31 | 北京城建道桥建设集团有限公司 | Rail transit viaduct surface staggered vehicle beam transporting platform and method thereof |
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| CN104929045B (en) | 2017-01-18 |
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