CN102912737A - Liftable high-bracket trolley and adjacent-span forming and whole-span longitudinal moving mounting process for bridge - Google Patents
Liftable high-bracket trolley and adjacent-span forming and whole-span longitudinal moving mounting process for bridge Download PDFInfo
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- CN102912737A CN102912737A CN2012104657013A CN201210465701A CN102912737A CN 102912737 A CN102912737 A CN 102912737A CN 2012104657013 A CN2012104657013 A CN 2012104657013A CN 201210465701 A CN201210465701 A CN 201210465701A CN 102912737 A CN102912737 A CN 102912737A
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Abstract
The invention provides a liftable high-bracket trolley and an adjacent-span forming and whole-span longitudinal moving mounting process for a bridge. The liftable high-bracket trolley comprises a load transportation module, a partial load beam, a hydraulic jack system, a vertical support system and a stable support system, wherein the partial load beam is arranged on the load transportation module, the hydraulic jack system is arranged on the partial load beam, and the vertical support system is arranged on the hydraulic jack system. The mounting process includes that large hoisting equipment is adopted to halt at a bridge end to hoist steel superposed beam subsections sequentially to an adjacent bridge deck, a moving type jig frame is used for completing whole-span assembly and welding of the steel superposed beam, construction of concrete bridge deck and other processes is performed on the established bridge deck, the whole steel superposed beam section is moved to an assembling position on the bridge deck so as to be spliced and assembled with the adjacent bridge deck through a plurality of liftable high-bracket trolleys after the whole-span assembly of the steel superposed beam, and then the assembly of the whole steel superposed beam section is completed.
Description
Technical field
The present invention relates to field of bridge construction, relate in particular to a kind of liftable high trestle chassis and bridge every striding the whole vertical shift mounting process of striding that is shaped.
Background technology
At present, the conventional construction technique of large-span steel superposed beam is to utilize crane gear road occupying construction, with the one by one assembly unit (bridge pier and temporary supporting) to permanent fulcrum and the interim fulcrum of each section loose mail, carry out again welding, weld seam detection, the application of steel composite beam, last concreting bridge deck, unload, remove temporary supporting, reopen road, resume traffic.
Mainly there is following shortcoming in steel composite beam construction technology of the prior art:
1) carry out the assembly unit of steel composite beam and the construction of concrete slab at busy traffic intersection, temporary supporting need to be set and use the multi-section crane gear, construction period needs partial closure's road, and the road pavement traffic impact is very large;
2) welding of steel composite beam, weld seam detection, application are aerial work, have certain hidden danger for the traffic safety on road surface, below;
3) local road closure long construction period is large to traffic impact.
Summary of the invention
The purpose of this invention is to provide a kind of liftable high trestle chassis and bridge every striding the whole vertical shift mounting process of striding that is shaped, with the construction technology that realizes carrying out the steel composite beam rapid construction at existing road, will minimize the impact of traffic simultaneously.
For achieving the above object, the invention provides a kind of liftable high trestle chassis, be used for steel composite beam every striding assembling, described liftable high trestle chassis comprises the load transportation module, load-sharing girder, hydraulic jacking system, vertical supporting system and stable support system, described load-sharing girder is arranged on the described load transportation module, described hydraulic jacking system is arranged on the described load-sharing girder, described vertical supporting system is arranged on the described hydraulic jacking system, described load transportation module can move by along continuous straight runs, described hydraulic jacking system is used for driving described vertical supporting system along vertical mobile, and described stable support system is for increasing the structural stability of described vertical supporting system.
Further, described liftable high trestle chassis also comprises ball hinged support, and described ball hinged support is arranged in the described vertical supporting system.
Further, described vertical supporting system comprises active section of steel pipe and steel pipe canned paragraph, active section of described steel pipe is arranged on the described hydraulic jacking system, described steel pipe canned paragraph is arranged on active section of the described steel pipe by described stable support system, active section of described steel pipe comprises some steel pipe sections and some anchor ears, described some steel pipe sections connect by described some anchor ears, and form active section of described steel pipe.
Further, described hydraulic jacking system comprises hydraulic jack, and described hydraulic jack is arranged on the described load transportation module, and described hydraulic jack and described anchor ear form combination to promote or to fall described vertical supporting system.
Further, liftable high trestle chassis also comprises flexible cable, and the two ends of described flexible cable are connected with described stable support system and described ball hinged support respectively.
Further, described liftable high trestle chassis also comprises hanging oil cylinder, shown in hanging oil cylinder be arranged at the bottom of described load transportation module.
The present invention also comprises a kind of bridge that uses above-mentioned liftable high trestle chassis every striding the whole vertical shift mounting process of striding that is shaped, and described processing step comprises:
Step 1: large lifting equipment is parked in by the adjacent bridge floor that needs assembling steel composite beam position;
Step 2: the control large lifting equipment works the adjacent bridge face that winches to one section steel composite beam;
Step 3: Mobile steel superposed beam on bridge floor, the control large lifting equipment that makes room lifts another section steel composite beam;
Step 4: repeating step three is until the whole rigging outs of the steel composite beam of required assembling form a steel composite beam section;
Step 5: a described liftable high trestle chassis is moved to adjacent bridge pier place;
Step 6: an end of the mobile steel composite beam section that assembles moves on this liftable high trestle chassis;
Step 7: after driving liftable high trestle chassis drive steel composite beam section moved a segment distance, another liftable high trestle chassis adopted the mode identical with a upper liftable high trestle chassis to carry out in place;
Step 8: repeating step seven makes all liftable high trestle chassis pressures even until the steel composite beam of required assembling all moves on all liftable high trestle chassis;
Step 9: control all liftable high trestle chassis and move to assigned address, and descend, unload the steel composite beam section, at last steel composite beam section and adjacent bridge floor and bridge pier are spliced, weld together, finish the installation of this section steel composite beam section.
Compared with prior art, the present invention has following beneficial effect:
The invention provides a kind of bridge every striding the whole vertical shift mounting process of striding that is shaped, this packaging technology uses liftable high trestle chassis provided by the invention to be used as transportation and the load bearing equipment of steel composite beam section, adopt large lifting equipment to be parked in the bridge end and lift successively the steel composite beam segmentation to adjacent bridge floor, wholely stride the assembly unit welding by what portable moulding bed was finished steel composite beam, and on built bridge floor, carry out the construction of concrete bridge deck and other operations, after finishing that steel composite beam is whole and striding assembling, use the above-mentioned liftable high trestle of multi-section chassis that whole steel composite beam section is moved to required assembling place of bridge floor, and with adjacent bridge floor splicing assembling, and then finish the assembling of whole steel composite beam section.
Advantage of the present invention is:
1) liftable high trestle chassis full hydraulic drive, multi-point support, the pressure of steel composite beam disperses and evenly, road pavement compliance is good;
2) liftable high trestle chassis can traversingly keep straight on, the road condition under the flexibility and reliability, the various environment of adaptation;
3) carry out the assembly unit of steel composite beam and the construction of concrete slab at built bridge floor, the road pavement traffic impact is reduced to bottom line;
4) efficiency of construction is high, the time is short, can select less the carrying on construction work at night of wagon flow, and is very little to traffic impact.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
The front view of the liftable high trestle chassis that Fig. 1 provides for the embodiment of the invention;
The left view of the liftable high trestle chassis that Fig. 2 provides for the embodiment of the invention;
The top view of the liftable high trestle chassis that Fig. 3 provides for the embodiment of the invention;
The bridge that Fig. 4 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 1 and step 2 that is shaped;
The bridge that Fig. 5 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 3 that is shaped;
The bridge that Fig. 6 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 4 that is shaped;
The bridge that Fig. 7 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 5 and step 6 that is shaped;
The bridge that Fig. 8 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 7 and step 8 that is shaped;
The bridge that Fig. 9 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 9 that is shaped.
In Fig. 1 to Fig. 9,
1: the load transportation module; 2: load-sharing girder; 3: hydraulic jacking system; 31: anchor ear; 32: hydraulic jack; 4: the vertical supporting system; 41: active section of steel pipe; 42: the steel pipe canned paragraph; 5: the stable support system; 6: ball hinged support; 7: flexible cable; 8: steel composite beam.
The specific embodiment
Below in conjunction with the drawings and specific embodiments liftable high trestle chassis and the bridge that the present invention proposes is described in further detail every striding the whole vertical shift mounting process of striding that is shaped.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-accurately ratio, only in order to convenient, the purpose of the aid illustration embodiment of the invention lucidly.
Core concept of the present invention is, provide a kind of liftable high trestle chassis and bridge every striding the whole vertical shift mounting process of striding that is shaped, described liftable high trestle chassis comprises the load transportation module, load-sharing girder, hydraulic jacking system, vertical supporting system and stable support system, described load-sharing girder is arranged on the described load transportation module, described hydraulic jacking system is arranged on the described load-sharing girder, described vertical supporting system is arranged on the described hydraulic jacking system, described load transportation module can move by along continuous straight runs, described hydraulic jacking system is used for driving described vertical supporting system along vertical mobile, described stable support system is for increasing the structural stability of described vertical supporting system, bridge provided by the invention uses above-mentioned liftable high trestle chassis as transportation and the load bearing equipment of steel composite beam section every striding the whole vertical shift mounting process of striding that is shaped, adopt large lifting equipment to be parked in the bridge end and lift successively the steel composite beam segmentation to adjacent bridge floor, wholely stride the assembly unit welding by what portable moulding bed was finished steel composite beam, and on built bridge floor, carry out the construction of concrete bridge deck and other operations, after finishing that steel composite beam is whole and striding assembling, use the above-mentioned liftable high trestle of multi-section chassis that whole steel composite beam section is moved to required assembling place of bridge floor, and with adjacent bridge floor splicing assembling, and then finish the assembling of whole steel composite beam section.
Please refer to Fig. 1 to Fig. 9, the front view of the liftable high trestle chassis that Fig. 1 provides for the embodiment of the invention; The left view of the liftable high trestle chassis that Fig. 2 provides for the embodiment of the invention; The top view of the liftable high trestle chassis that Fig. 3 provides for the embodiment of the invention; The bridge that Fig. 4 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 1 and step 2 that is shaped; The bridge that Fig. 5 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 3 that is shaped; The bridge that Fig. 6 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 4 that is shaped; The bridge that Fig. 7 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 5 and step 6 that is shaped; The bridge that Fig. 8 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 7 and step 8 that is shaped; The bridge that Fig. 9 provides for the embodiment of the invention is every striding the whole schematic flow sheet of striding vertical shift mounting process step 9 that is shaped.
Please emphasis referring to figs. 1 to Fig. 3, as shown in Figure 1 to Figure 3, the embodiment of the invention provides a kind of liftable high trestle chassis, be used for steel composite beam 8 every striding assembling, described liftable high trestle chassis comprises load transportation module 1, load-sharing girder 2, hydraulic jacking system 3, vertical supporting system 4 and stable support system 5, described load-sharing girder 2 is arranged on the described load transportation module 1, described hydraulic jacking system 3 is arranged on the described load-sharing girder 2, described vertical supporting system 4 is arranged on the described hydraulic jacking system 3, described load transportation module 1 can move by artificial or motor-driven and along continuous straight runs, described hydraulic jacking system 3 is used for driving described vertical supporting system 4 along vertical mobile, and described stable support system 5 adopts the above-mentioned vertical supporting of center rest structural strengthenings system 4 to increase the structural stability of described vertical supporting system 4.
Further, described liftable high trestle chassis also comprises ball hinged support 6, described ball hinged support 6 is arranged in the described vertical supporting system 4, and described ball hinged support 6 contacts with steel composite beam 8, the additional internal force of having avoided liftable high trestle chassis when mobile steel composite beam 8 to be produced.
Further, described vertical supporting system 4 comprises active section 41 of 609 steel pipe and 609 steel pipe canned paragraphs 42, described 609 steel pipes are arranged at for active section 41 on the described hydraulic jacking system 3, described 609 steel pipe canned paragraphs 42 are arranged on active section 41 of described 609 steel pipe by described stable support system 5, described 609 steel pipes comprise some steel pipe sections and some anchor ears 31 for active section 41, described some steel pipe sections connect by described some anchor ears 31, and form active section 41 of described steel pipe.
Further, described hydraulic jacking system 3 comprises hydraulic jack 32, described hydraulic jack 32 is arranged on the described load transportation module 1, in the time need to descending work to the steel composite beam 8 in the vertical supporting system 4, piston with hydraulic jack 32 is arranged between two anchor ears 31 first, remove the anchor ear 31 under the hydraulic jack 32, described hydraulic jack 32 elongations, the described vertical support system 4 of jack-up, the steel pipe sections that the one section steel pipe that loses annexation under the taking-up hydraulic jack 32 is active section 41, follow piston retraction, carry out decline work, two steel pipe sections are fixedly connected with about inciting somebody to action with anchor ear 31 again, and the circulation above-mentioned steps can be finished vertical support system 4 decline work; In the time need to promoting the steel composite beam 8 in the vertical supporting system 4, piston with hydraulic jack 32 is arranged between two anchor ears 31 first, remove the anchor ear 31 under the hydraulic jack 32, described hydraulic jack 32 elongations, the described vertical support system 4 of jack-up, then add the steel pipe sections of requirement in above-mentioned hydraulic jack for 32 times, with anchor ear 31 these steel pipe sections are fixedly connected with again, can finish the lifting work of vertical support system 4.
Further, described liftable high trestle chassis also comprises flexible cable 7, the two ends of described flexible cable 7 are connected with described stable support system 5 and described ball hinged support 6 respectively, and described flexible cable 7 is for the fixed effect of the 609 steel pipe canned paragraphs 42 of strengthening above-mentioned ball hinged support 6 and vertical supporting system 4 tops.
Further, described liftable high trestle chassis also comprises hanging oil cylinder, shown in hanging oil cylinder be arranged at the bottom of described load transportation module 1, can make this liftable high trestle chassis adapt to the situation of existing road injustice.
Please emphasis with reference to figure 4 to Fig. 9, to shown in Figure 9, the embodiment of the invention also provides a kind of bridge that uses above-mentioned liftable high trestle chassis every striding the whole vertical shift mounting process of striding that is shaped such as Fig. 4, described processing step comprises:
Step 1: large lifting equipment is parked in by the adjacent bridge floor that needs assembling steel composite beam position;
Step 2: the control large lifting equipment winches to the adjacent bridge face with 8 of one section steel composite beams;
Step 3: Mobile steel superposed beam 8 on bridge floor, the control large lifting equipment that makes room lifts another section steel composite beam 8;
Step 4: repeating step three is until steel composite beam 8 whole rigging outs of required assembling form a steel composite beam section;
Step 5: a described liftable high trestle chassis is moved to adjacent bridge pier place;
Step 6: an end of the mobile steel composite beam section that assembles moves on this liftable high trestle chassis;
Step 7: after driving liftable high trestle chassis drive steel composite beam section moved a segment distance, another liftable high trestle chassis adopted the mode identical with a upper liftable high trestle chassis to carry out in place;
Step 8: repeating step seven makes all liftable high trestle chassis pressures even until this steel composite beam section all moves on all liftable high trestle chassis;
Step 9: control all liftable high trestle chassis and move to assigned address, and descend, unload the steel composite beam section, at last steel composite beam section and adjacent bridge floor and bridge pier are spliced, weld together, finish the installation of this section steel composite beam section.
The bridge of the use liftable high trestle chassis that the embodiment of the invention provides is every striding the whole advantage of striding the vertical shift mounting process that is shaped:
1) this liftable high trestle chassis uses hydraulic jack 32, has high-bearing capacity, and the mode of employing multi-point support, the pressure of steel composite beam 8 is disperseed and evenly, the design of this liftable high trestle trolley structure makes it can be complementary with the shape of bridge pier at recess shown in Figure 3, and then the steel composite beam section is in place;
2) this liftable high trestle chassis possesses good locomotivity, and it can traversingly be kept straight on, flexibility and reliability, can adapt to the road condition under different road surfaces and the various environment;
3) carry out the assembly unit of steel composite beam 8 and the construction of concrete slab at built bridge floor, the road pavement traffic impact is reduced to bottom line;
4) efficiency of construction is high, the time is short, can select less the carrying on construction work at night of wagon flow, and is very little to traffic impact.
Obviously, those skilled in the art can carry out various changes and distortion to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (7)
1. liftable high trestle chassis, be used for steel composite beam every striding assembling, it is characterized in that, comprise the load transportation module, load-sharing girder, hydraulic jacking system, vertical supporting system and stable support system, described load-sharing girder is arranged on the described load transportation module, described hydraulic jacking system is arranged on the described load-sharing girder, described vertical supporting system is arranged on the described hydraulic jacking system, described load transportation module can move by along continuous straight runs, described hydraulic jacking system is used for driving described vertical supporting system along vertical mobile, and described stable support system is for increasing the structural stability of described vertical supporting system.
2. described liftable high trestle chassis according to claim 1 is characterized in that, also comprises ball hinged support, and described ball hinged support is arranged in the described vertical supporting system.
3. described liftable high trestle chassis according to claim 1, it is characterized in that, described vertical supporting system comprises active section of steel pipe and steel pipe canned paragraph, active section of described steel pipe is arranged on the described hydraulic jacking system, described steel pipe canned paragraph is arranged on active section of the described steel pipe by described stable support system, active section of described steel pipe comprises some steel pipe sections and some anchor ears, and described some steel pipe sections connect by described some anchor ears, and form active section of described steel pipe.
4. described liftable high trestle chassis according to claim 3, it is characterized in that, described hydraulic jacking system comprises hydraulic jack, and described hydraulic jack is arranged on the described load transportation module, and described hydraulic jack and described anchor ear form combination to promote or to fall described vertical supporting system.
5. described liftable high trestle chassis according to claim 2 is characterized in that, also comprise flexible cable, the two ends of described flexible cable are connected with described stable support system and described ball hinged support respectively.
6. described liftable high trestle chassis according to claim 1 is characterized in that, also comprises hanging oil cylinder, shown in hanging oil cylinder be arranged at the bottom of described load transportation module.
7. a use, is characterized in that every striding the whole vertical shift mounting process of striding that is shaped such as the bridge of claim 1 to 6 liftable high trestle chassis as described in each, comprising:
Step 1: large lifting equipment is parked in by the adjacent bridge floor that needs assembling steel composite beam position;
Step 2: the control large lifting equipment works the adjacent bridge face that winches to one section steel composite beam;
Step 3: Mobile steel superposed beam on bridge floor, the control large lifting equipment that makes room lifts another section steel composite beam;
Step 4: repeating step three is until the whole rigging outs of the steel composite beam of required assembling form a steel composite beam section;
Step 5: a described liftable high trestle chassis is moved to adjacent bridge pier place;
Step 6: an end of the mobile steel composite beam section that assembles moves on this liftable high trestle chassis;
Step 7: after driving liftable high trestle chassis drive steel composite beam section moved a segment distance, another liftable high trestle chassis adopted the mode identical with a upper liftable high trestle chassis to carry out in place;
Step 8: repeating step seven makes all liftable high trestle chassis pressures even until the steel composite beam of required assembling all moves on all liftable high trestle chassis;
Step 9: control all liftable high trestle chassis and move to assigned address, and descend, unload the steel composite beam section, at last steel composite beam section and adjacent bridge floor and bridge pier are spliced, weld together, finish the installation of this section steel composite beam section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465701.3A CN102912737B (en) | 2012-11-16 | 2012-11-16 | Liftable high-bracket trolley and adjacent-span forming and whole-span longitudinal moving mounting process for bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465701.3A CN102912737B (en) | 2012-11-16 | 2012-11-16 | Liftable high-bracket trolley and adjacent-span forming and whole-span longitudinal moving mounting process for bridge |
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| Publication Number | Publication Date |
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| CN102912737A true CN102912737A (en) | 2013-02-06 |
| CN102912737B CN102912737B (en) | 2015-02-04 |
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| CN103410100A (en) * | 2013-08-29 | 2013-11-27 | 上海市机械施工集团有限公司 | Method for constructing urban crossroad pedestrian overpass and transport and erection all-in-one machines |
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| CN103470058A (en) * | 2013-09-06 | 2013-12-25 | 上海市机械施工集团有限公司 | Installation method of upper chord and lower chord of steel truss and temporary support |
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| CN103410100A (en) * | 2013-08-29 | 2013-11-27 | 上海市机械施工集团有限公司 | Method for constructing urban crossroad pedestrian overpass and transport and erection all-in-one machines |
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Address after: 200072 Luochuan Middle Road, Shanghai, No. 701, No. Applicant after: Shanghai Mechanized Construction Group Co., Ltd. Applicant after: Suzhou Dafang Special Vehicle Co., Ltd. Address before: 200072 Luochuan Middle Road, Shanghai, No. 701, No. Applicant before: Shanghai Mechanized Construction Co., Ltd. Applicant before: Suzhou Dafang Special Vehicle Co., Ltd. |
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