Liftable high trestle chassis and bridge are every whole across vertical shift mounting process across shaping
Technical field
The present invention relates to field of bridge construction, particularly relate to a kind of liftable high trestle chassis and bridge every whole across vertical shift mounting process across shaping.
Background technology
At present, the conventional construction technique of large-span steel superposed beam utilizes crane gear road occupying to construct, each section of loose mail is assembled to (bridge pier and temporary support) on permanent fulcrum and interim fulcrum one by one, carry out the welding of steel composite beam, weld seam detection, application again, last concreting bridge deck, unload, remove temporary support, reopen road, resume traffic.
Mainly there is following shortcoming in steel composite beam construction technology of the prior art:
1) carry out the construction of the assembled of steel composite beam and concrete slab at busy traffic intersection, need arrange temporary support and use multi-section crane gear, construction period needs partial closure's road, and road pavement traffic impact is very large;
2) welding of steel composite beam, weld seam detection, application are aerial work, and the traffic safety for road surface, below exists certain hidden danger;
3) close a road to traffic long construction period in local, large to traffic impact.
Summary of the invention
The object of this invention is to provide a kind of liftable high trestle chassis and bridge every whole across vertical shift mounting process across shaping, to realize the construction technology of carrying out steel composite beam rapid construction on existing road, minimize on the impact of traffic simultaneously.
For achieving the above object, the invention provides a kind of liftable high trestle chassis, for steel composite beam every across assembling, described liftable high trestle chassis comprises load transportation module, load-sharing girder, hydraulic jacking system, vertical supporting system and stable support system, described load-sharing girder is arranged in described load transportation module, described hydraulic jacking system is arranged on described load-sharing girder, described vertical supporting Operation system setting is on described hydraulic jacking system, described load transportation module can move in the horizontal direction, described hydraulic jacking system vertically moves for driving described vertical supporting system, 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 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 described hydraulic jacking system, described steel pipe canned paragraph by described stable support Operation system setting on active section of described steel pipe, active section of described steel pipe comprises some steel pipe sections and some anchor ears, described some steel pipe sections are connected 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 in described load transportation module, and described hydraulic jack and described anchor ear form and combine to promote or 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, and shown hanging oil cylinder is arranged at the bottom of described load transportation module.
The present invention also comprises a kind of bridge of above-mentioned liftable high trestle chassis that uses every whole across vertical shift mounting process across shaping, and described processing step comprises:
Step one: large lifting equipment is parked in need assemble steel composite beam position adjacent bridge floor by;
Step 2: one section of steel composite beam rises and winches to adjacent bridge face by control large lifting equipment;
Step 3: Mobile steel superposed beam on bridge floor, the control large lifting equipment that makes room lifts another section of steel composite beam;
Step 4: repeat step 3 until the whole rigging out of the steel composite beam of required assembling, form a steel composite beam section;
Step 5: a described frame liftable high trestle chassis is moved to adjacent bridge pier place;
Step 6: one end of the mobile steel composite beam section assembled moves on this liftable high trestle chassis;
Step 7: after driving liftable high trestle chassis to drive steel composite beam section to move a segment distance, another liftable high trestle chassis adopts the mode identical with a upper frame liftable high trestle chassis to carry out in place;
Step 8: repeat step 7 until the steel composite beam of required assembling all moves on all liftable high trestle chassis, make all liftable high trestle chassis pressures even;
Step 9: control all liftable high trestle chassis and move to assigned address, and decline, unload steel composite beam section, finally steel composite beam section and adjacent bridge floor and bridge pier are spliced, welded together, complete the installation of this section of steel composite beam section.
Compared with prior art, the present invention has following beneficial effect:
The invention provides a kind of bridge every whole across vertical shift mounting process across shaping, this packaging technology uses liftable high trestle chassis provided by the invention to be used as transport and the load bearing equipment of steel composite beam section, adopt large lifting equipment to be parked in bridge end and lift steel composite beam segmentation successively to adjacent bridge floor, the whole across assembled welding of steel composite beam is completed by portable moulding bed, and on built bridge floor, carry out the construction of concrete bridge deck and other operations, complete steel composite beam whole across after assembling, use multi-section above-mentioned liftable high trestle chassis that whole steel composite beam section is moved to assembling place needed for bridge floor, and splice with adjacent bridge floor and assemble, and then complete 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 dissipation of steel composite beam and evenly, road pavement compliance is good;
2) liftable high trestle chassis can traversingly keep straight on, road condition under flexibility and reliability, the various environment of adaptation;
3) on built bridge floor, carry out the construction of the assembled of steel composite beam and concrete slab, road pavement traffic impact reduces 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, very little to traffic impact.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
The front view of the liftable high trestle chassis that Fig. 1 provides for the embodiment of the present invention;
The left view of the liftable high trestle chassis that Fig. 2 provides for the embodiment of the present invention;
The top view of the liftable high trestle chassis that Fig. 3 provides for the embodiment of the present invention;
The bridge that Fig. 4 provides for the embodiment of the present invention is every whole across the schematic flow sheet of vertical shift mounting process step one with step 2 across being shaped;
The bridge that Fig. 5 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 3 of shaping;
The bridge that Fig. 6 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 4 of shaping;
The bridge that Fig. 7 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 5 and step 6 that is shaped;
The bridge that Fig. 8 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 7 and step 8 that is shaped;
The bridge that Fig. 9 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 9 of shaping.
In Fig. 1 to Fig. 9,
1: load transportation module; 2: load-sharing girder; 3: hydraulic jacking system; 31: anchor ear; 32: hydraulic jack; 4: vertical supporting system; 41: active section of steel pipe; 42: steel pipe canned paragraph; 5: stable support system; 6: ball hinged support; 7: flexible cable; 8: steel composite beam.
Detailed description of the invention
The liftable high trestle chassis proposed the present invention below in conjunction with the drawings and specific embodiments and bridge are every being described in further detail across vertical shift mounting process across shaping is whole.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 the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Core concept of the present invention is, there is provided a kind of liftable high trestle chassis and bridge every whole across vertical shift mounting process across shaping, described liftable high trestle chassis comprises load transportation module, load-sharing girder, hydraulic jacking system, vertical supporting system and stable support system, described load-sharing girder is arranged in described load transportation module, described hydraulic jacking system is arranged on described load-sharing girder, described vertical supporting Operation system setting is on described hydraulic jacking system, described load transportation module can move in the horizontal direction, described hydraulic jacking system vertically moves for driving described vertical supporting system, described stable support system is for increasing the structural stability of described vertical supporting system, bridge provided by the invention is every wholely using above-mentioned liftable high trestle chassis as the transport of steel composite beam section and load bearing equipment across vertical shift mounting process across being shaped, adopt large lifting equipment to be parked in bridge end and lift steel composite beam segmentation successively to adjacent bridge floor, the whole across assembled welding of steel composite beam is completed by portable moulding bed, and on built bridge floor, carry out the construction of concrete bridge deck and other operations, complete steel composite beam whole across after assembling, use multi-section above-mentioned liftable high trestle chassis that whole steel composite beam section is moved to assembling place needed for bridge floor, and splice with adjacent bridge floor and assemble, and then complete 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 present invention; The left view of the liftable high trestle chassis that Fig. 2 provides for the embodiment of the present invention; The top view of the liftable high trestle chassis that Fig. 3 provides for the embodiment of the present invention; The bridge that Fig. 4 provides for the embodiment of the present invention is every whole across the schematic flow sheet of vertical shift mounting process step one with step 2 across being shaped; The bridge that Fig. 5 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 3 of shaping; The bridge that Fig. 6 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 4 of shaping; The bridge that Fig. 7 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 5 and step 6 that is shaped; The bridge that Fig. 8 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 7 and step 8 that is shaped; The bridge that Fig. 9 provides for the embodiment of the present invention is every across the whole schematic flow sheet across vertical shift mounting process step 9 of shaping.
Please emphasis referring to figs. 1 to Fig. 3, as shown in Figure 1 to Figure 3, the embodiment of the present invention provides a kind of liftable high trestle chassis, for steel composite beam 8 every across 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 in described load transportation module 1, described hydraulic jacking system 3 is arranged on described load-sharing girder 2, described vertical supporting system 4 is arranged on described hydraulic jacking system 3, described load transportation module 1 can be driven by artificial or motor and be moved in the horizontal direction, described hydraulic jacking system 3 vertically moves for driving described vertical supporting system 4, described stable support system 5 adopts center rest structural strengthening above-mentioned vertical supporting 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 described vertical supporting system 4, and described ball hinged support 6 contacts with steel composite beam 8, avoids the additional internal force that liftable high trestle chassis produces steel composite beam 8 when mobile.
Further, described vertical supporting system 4 comprises 609 steel pipes active section 41 and 609 steel pipe canned paragraphs 42, described 609 steel pipes are arranged at for active section 41 on described hydraulic jacking system 3, described 609 steel pipe canned paragraphs 42 are arranged on described 609 steel pipes active section 41 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 are connected by described some anchor ears 31, and form described steel pipe active section 41.
Further, described hydraulic jacking system 3 comprises hydraulic jack 32, described hydraulic jack 32 is arranged in described load transportation module 1, when needing to carry out decline work to the steel composite beam 8 in vertical supporting system 4, first the piston of hydraulic jack 32 is arranged between two anchor ears 31, remove the anchor ear 31 under hydraulic jack 32, described hydraulic jack 32 is extended, vertical support system 4 described in jack-up, the steel pipe sections that the one section of steel pipe losing annexation under taking-up hydraulic jack 32 is active section 41, then piston retraction, carry out decline work, with anchor ear 31, upper and lower two steel pipe sections are fixedly connected with again, circulation above-mentioned steps, vertical support system 4 can be completed to decline work, when needing to promote the steel composite beam 8 in vertical supporting system 4, first the piston of hydraulic jack 32 is arranged between two anchor ears 31, remove the anchor ear 31 under hydraulic jack 32, described hydraulic jack 32 is extended, vertical support system 4 described in jack-up, then add the steel pipe sections of requirement in above-mentioned hydraulic jack for 32 times, then with anchor ear 31, these steel pipe sections are fixedly connected with, the lifting work of vertical support system 4 can be completed.
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 strengthening the fixed effect of 609 steel pipe canned paragraphs 42 of above-mentioned ball hinged support 6 and vertical supporting system 4 top.
Further, described liftable high trestle chassis also comprises hanging oil cylinder, and shown hanging oil cylinder is arranged at the bottom of described load transportation module 1, and this liftable high trestle chassis can be made to adapt to the situation of existing road injustice.
Please emphasis with reference to figure 4 to Fig. 9, as shown in Fig. 4 to Fig. 9, the embodiment of the present invention also provide a kind of use the bridge of above-mentioned liftable high trestle chassis every across shaping whole across vertical shift mounting process, described processing step comprises:
Step one: large lifting equipment is parked in need assemble steel composite beam position adjacent bridge floor by;
Step 2: control large lifting equipment and one section of steel composite beam 8 is winched to adjacent bridge face;
Step 3: Mobile steel superposed beam 8 on bridge floor, the control large lifting equipment that makes room lifts another section of steel composite beam 8;
Step 4: repeat step 3 until steel composite beam 8 all rigging outs of required assembling, form a steel composite beam section;
Step 5: a described frame liftable high trestle chassis is moved to adjacent bridge pier place;
Step 6: one end of the mobile steel composite beam section assembled moves on this liftable high trestle chassis;
Step 7: after driving liftable high trestle chassis to drive steel composite beam section to move a segment distance, another liftable high trestle chassis adopts the mode identical with a upper frame liftable high trestle chassis to carry out in place;
Step 8: repeat step 7 until this steel composite beam section all moves on all liftable high trestle chassis, make all liftable high trestle chassis pressures even;
Step 9: control all liftable high trestle chassis and move to assigned address, and decline, unload steel composite beam section, finally steel composite beam section and adjacent bridge floor and bridge pier are spliced, welded together, complete the installation of this section of steel composite beam section.
The bridge of the use liftable high trestle chassis that the embodiment of the present invention provides is every being across the whole advantage across vertical shift mounting process of shaping:
1) this liftable high trestle chassis uses hydraulic jack 32, there is high-bearing capacity, and adopt the mode of multi-point support, make steel composite beam 8 pressure dissipation and evenly, the design of this liftable high trestle trolley structure enables the mating shapes of its recess and bridge pier shown in Fig. 3, and then 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, the road condition that can adapt under different road surface and various environment;
3) on built bridge floor, carry out the construction of the assembled of steel composite beam 8 and concrete slab, road pavement traffic impact reduces 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, very little to traffic impact.
Obviously, those skilled in the art can carry out various change and distortion to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.