CN103924523A - One-arm box girder bridge erecting machine - Google Patents
One-arm box girder bridge erecting machine Download PDFInfo
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- CN103924523A CN103924523A CN201410165541.XA CN201410165541A CN103924523A CN 103924523 A CN103924523 A CN 103924523A CN 201410165541 A CN201410165541 A CN 201410165541A CN 103924523 A CN103924523 A CN 103924523A
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Abstract
The invention relates to the technical field of bridge erecting machines, and discloses a one-arm box girder bridge erecting machine. The one-arm box girder bridge erecting machine comprises a machine arm, two hoists, a first supporting leg, a second supporting leg, a third supporting leg and two suspension girder traveling cranes. Each hoist is provided with a drive mechanism and a hoist walking mechanism, the drive mechanisms drive the machine arm to move in the longitudinal direction of the machine arm through the hoist walking mechanisms, and the hoists can be locked on the machine arm. The third supporting leg is located at the end of the machine arm, the second supporting leg is located between the first supporting leg and the third supporting leg, the first supporting left and the second supporting leg are rotatably arranged on the hoists respectively, and the hoists drive the first supporting leg and the second supporting leg respectively to move in the longitudinal direction of the machine arm. The two suspension girder traveling cranes are movably arranged below the machine arm respectively, each suspension girder traveling crane comprises a suspension girder walking mechanism, and the suspension girder traveling cranes move in the longitudinal direction of the machine arm through the suspension girder walking mechanisms.
Description
Technical field
The present invention relates to Bridge Erector technical field, relate in particular to a kind of single armed box beam bridge formation machine, concrete is a kind ofly can pass through the single armed box beam bridge formation machine in tunnel automatically.
Background technology
Bridge Erector is exactly that prefabricated beam sheet is placed into the equipment that prefabricated bridge pier gets on.Bridge Erector belongs to crane category, because its major function is that beam sheet is mentioned, puts down after being then transported to position, and Bridge Erector is divided into and sets up road bridge, conventional railway bridge, and railway of passengers' private line bridges etc. are several.
The existing Bridge Erector that can transport large-tonnage beam sheet mostly is twin beams Bridge Erector, single armed box beam bridge formation machine is when setting up railway bridge, cannot complete feeding beam in tunnel, as the application number single armed box beam bridge formation machine that is 201020549604.9, wherein, because beam body need to pass through No. 3 supporting legs, so empty size must be greater than the width of beam in No. 3 supporting legs, No. 3 supporting legs after widening cannot pass through tunnel.
And when setting up 45 ° of skew bridges, No. 2 supporting leg need to rotate 45 °, and then widens curved beam, when bridge tunnel distance is 4 meters, curved beam cannot complete out the first hole beam that tunnel sets up after widening, because curved beam and tunnel obstacle cannot rise to bridge machine, sets a roof beam in place highly.
When whole Bridge Erector is crossed tunnel, because the second supporting leg 2 can only rotate 45 °, so cannot pass through single-track tunnel.
In view of the defect of above-mentioned prior art, need to provide and can automatically pass through the single armed box beam bridge formation machine in tunnel.
Summary of the invention
The technical problem to be solved in the present invention is that existing single armed box beam bridge formation machine can not be by the problem of single-track tunnel.
In order to solve the problems of the technologies described above, the invention provides a kind of single armed box beam bridge formation machine, bag
Draw together: horn;
The first hanging and the second hanging, in described the first hanging and described the second hanging, be equipped with driving mechanism and hanging walking mechanism, described driving mechanism drives described horn to vertically move along it by described hanging walking mechanism, and described first hanging and described second hanging can be locked on described horn;
The first supporting leg, the second supporting leg and the 3rd supporting leg, described the 3rd supporting leg is positioned at one end of described horn, described the second supporting leg is between described the first supporting leg and described the 3rd supporting leg, described the first supporting leg is rotating to be arranged in described the second hanging, described the second supporting leg is rotating to be arranged in described the first hanging, described the second hanging drives described the first supporting leg to vertically move along described horn, and described the first hanging drives described the second supporting leg to vertically move along described horn; And
Two hanging beam overhead cranes, it is arranged at respectively described horn below movably; Wherein, described in each, hanging beam overhead crane comprises hanging beam walking mechanism, and described hanging beam overhead crane vertically moves along described horn by described hanging beam walking mechanism.
Wherein, described the first supporting leg includes crossbeam and two parallel truss with described the second supporting leg, and described crossbeam is arranged between two parallel described truss.
Wherein, described in each, hanging also comprises:
Bracing frame, support frame as described above is arranged on described horn top, and is positioned at the below of described crossbeam;
Brace summer, described brace summer is positioned at the top of described crossbeam; And
Column, connects support frame as described above and described brace summer, and described column is through described crossbeam, and described the first supporting leg and described the second supporting leg respectively can be moving around described column.
Wherein, described suspension bracket also comprises spherical bearing, and described brace summer contacts with described spherical bearing spherical pair, and described brace summer bottom is provided with wearing plate.
Wherein, described in each, hanging beam overhead crane also comprises:
Hanging beam shoulder pole, for hanging beam sheet;
Hoist engine, it is wound with cable wire, to control described hanging beam shoulder pole moving up and down along described horn; And
Vertical rod, is arranged on described hanging beam shoulder pole, for clamped beam sheet.
Wherein, described the 3rd supporting leg is provided with rotary oil cylinder, and described rotary oil cylinder drives described the 3rd supporting leg rotation.
Wherein, be equipped with and drive it to carry out traversing transverse-moving mechanism on described the first supporting leg and described the second supporting leg, described transverse-moving mechanism is positioned on described crossbeam.
Wherein, described hanging walking mechanism and described hanging beam walking mechanism are equipped with roller trolley, described first hanging, described second hanging and described hanging beam overhead crane respectively by described roller trolley along described horn vertical shift.
Wherein, also comprise powered carriage, described powered carriage is located at the end of described horn, and described driving mechanism is arranged in powered carriage.
Wherein, also comprise and support secondary bar, the two ends of the secondary bar of described support are hinged with described the first supporting leg and described horn respectively.
Technique scheme tool of the present invention has the following advantages: single armed box beam bridge formation machine provided by the invention enters Bridge Erector afterbody at Beam transportation vehicle feeding beam, props the first supporting leg, and the hanging beam dolly case beam of slinging in front and back moves forward to and waits to set a roof beam in place across, two hanging beam dollies beam that synchronously falls; Single armed box beam bridge formation machine provided by the invention can pass through tunnel, belong to single armed freely-supported type, in full width, build bridge, mechanically can realize the beam that once falls when traversing and put in place, have simple in structure, lightweight, transport easy to assembly, function admirable, feature that automated procedures are high.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 2 is the side structure schematic diagram of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 3 is the Facad structure schematic diagram of the second supporting leg of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 4 is the side structure schematic diagram of the second supporting leg of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 5 is the side structure schematic diagram of the hanging of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 6 is the Facad structure schematic diagram of the hanging of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 7 is the side structure schematic diagram of the hanging beam overhead crane of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 8 is the Facad structure schematic diagram of the hanging beam overhead crane of embodiment of the present invention single armed box beam bridge formation machine;
Fig. 9 is the Facad structure schematic diagram of the 3rd supporting leg of embodiment of the present invention single armed box beam bridge formation machine;
Figure 10 is the side structure schematic diagram of the 3rd supporting leg of embodiment of the present invention single armed box beam bridge formation machine.
In figure: 1: the three supporting leg; 2: the second supporting legs; 3: the first supporting legs; 4: horn; Hanging in 5: the second; 6: powered carriage; 7: the second hanging beam overhead cranes; 8: the first hanging beam overhead cranes; Hanging in 9: the first; 10: beam sheet; 11: leg; 12: guide pillar; 13: the three lower transverse beams; 14: the three oil cylinders; 15: the three top rails; 16: free bearing; 17: stretching seat; 18: support secondary bar; 21: bearing diagonal; 23: truss; 24, second cross beam; 25: transverse-moving mechanism; 26: bearing; 31: rotary oil cylinder; 51: bracing frame; 52: hanging the first roller trolley; 53: hanging wheels; 54: hanging the second roller trolley; 55: pin; 56: column; 57: brace summer; 58: spherical bearing; 59: reductor; 71: vertical rod; 72: hanging beam shoulder pole; 73: driving wheels; 74: vehicle frame; 75: pulley; 76: guide rope device; 77: driving roller trolley.
The specific embodiment
In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.Term " interior ", " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As depicted in figs. 1 and 2, single armed box beam bridge formation machine provided by the invention, comprising: horn 4,9, two hanging beam overhead cranes of first supporting leg 3, the second supporting leg 2, the three supporting leg 1, the second hanging the 5 and first hangings; In the present embodiment, adopted the first supporting leg 3, the second supporting leg 2 and 1 three supporting legs of the 3rd supporting leg, four or five supporting legs also can be set as required, the present embodiment adopts three supporting legs more to simplify compared with the via hole operation of four supporting legs, and the efficiency of bridge formation improves.The main bearing carrier of horn 4 conduct, horn 4 adopts box-girder assembled structures, can be formed by more piece unit beam pin joint.Second hanging the 5 and first hanging is equipped with driving mechanism and hanging walking mechanism on 9, driving mechanism drive horn 4 by hanging walking mechanism along the vertically moving of horn 4, the long axis direction of horn 4 is longitudinal.And hanging can be locked on horn 4, and the 3rd supporting leg 1 is positioned at one end of horn 4, and the second supporting leg 2 is between the first supporting leg 3 and the 3rd supporting leg 1.The first supporting leg 3 is rotating to be arranged in the second hanging 5, and the second supporting leg 2 is rotating to be arranged in the first hanging 9, and the second hanging 5 drives the first supporting leg 3 to vertically move along horn 4, and the first hanging 9 drives the second supporting leg 2 to vertically move along horn 4.Two hanging beam overhead cranes, comprise the first hanging beam overhead crane 8 and the second hanging beam overhead crane 7, are all arranged at movably horn 4 belows, and wherein, each hanging beam overhead crane comprises hanging beam walking mechanism, and hanging beam overhead crane vertically moves along horn 4 by hanging beam walking mechanism.
The single armed box beam bridge formation machine that the present embodiment provides has the following advantages: three supporting legs make operation simple via convenient, and longitudinally resistance to capsizing is strong, and stability is good; Because the first supporting leg 3 is rotating, be arranged in the second hanging 5, the second supporting leg 2 is rotating to be arranged in the first hanging 9, so Bridge Erector can meet bale handle in tunnel, access tunnel mouth is set a roof beam in place; Bridge Erector can meet single track bridge, two-wire twin beams line, and center distance >=5m sets up; Beam transportation vehicle is packed interval transfer of Bridge Erector and was met tunnel, the requirement of speed per hour 250km/h and gauge thereof; Bridge Erector meets curved bridge, and sweep >=2000m sets up; Bridge Erector vertical shift and the vertical shift of hanging beam dolly adopt chain to force to drive, safe and reliable; Bridge Erector complete machine when the tunnel, without dismounting, can directly be packed by tunnel by Beam transportation vehicle after the height of each number post being done to corresponding adjustment by the hydraulic jack of each supporting leg, saving of work and time, and brief construction period, increases work efficiency.Single armed box beam bridge formation machine provided by the invention is mainly used in setting up the concrete beam sheet of highway bridge and railroad bridge, belong to single armed freely-supported type, in full width, build bridge, mechanically can realize the beam that once falls when traversing and put in place, have simple in structure, lightweight, transport easy to assembly, function admirable, feature that automated procedures are high.
As shown in Figure 2, Figure 3 and Figure 4, in single armed box beam bridge formation machine provided by the invention, the second supporting leg 2 is Bridge Erector main supporting members when setting a roof beam in place, simultaneously it also has Bridge Erector and when longitudinal gradient is set a roof beam in place and become across operation, adjusts the function of girder vertical equity, is again the driving pillar that Bridge Erector via hole vertically moves.While setting a roof beam in place, the second supporting leg 2 of Bridge Erector is supported on prefabricated case beam leading section.The second supporting leg 2 is portal-framed structure, comprise crossbeam 24 and two parallel truss 23, truss 23 is controlled and can be stretched by hydraulic jack, crossbeam 24 is arranged between two parallel truss 23, the bottom that truss 23 is installed in truss 23 is provided with bearing 26, between truss 23 and bearing 26, be separately installed with bearing diagonal 21, can strengthen the effect of supporting.In the present embodiment, on the crossbeam 24 of the second supporting leg 2, be also provided with transverse-moving mechanism 25, transverse-moving mechanism 25 is sideslip oil cylinder, can drive horn 4 to carry out traversing, is laterally the left and right directions of horn 4 in Fig. 2, each 0.5m of range left and right, finely tunes by 25 pairs of Bridge Erector lateral attitudes of transverse-moving mechanism.
In single armed box beam bridge formation machine provided by the invention, the first supporting leg 3 is also the main supporting member of Bridge Erector when setting a roof beam in place, simultaneously it also has Bridge Erector and when longitudinal gradient is set a roof beam in place and become across operation, adjusts the function of girder vertical equity, is again the driving pillar that Bridge Erector via hole vertically moves.While setting a roof beam in place, the first supporting leg 3 of Bridge Erector is supported on the place ahead pier first half, and the first supporting leg 3 is portal-framed structure, and in the present embodiment, the first supporting leg 3 is also provided with extension, and other structures are consistent with the structure of the second supporting leg 2.On the first supporting leg 3, be also provided with and drive it to carry out traversing transverse-moving mechanism, transverse-moving mechanism is positioned on the crossbeam of the first supporting leg 3, and transverse-moving mechanism 25 is sideslip oil cylinder, can drive horn 4 to carry out traversing, each 0.5m of range left and right, also can finely tune the lateral attitude of Bridge Erector.
As shown in Figure 2, Figure 5 and Figure 6, hanging in single armed box beam bridge formation machine provided by the invention comprises the second hanging 5 and the first hanging 9, hanging is supporting horn 4 and the main bearing carrier of hanging beam load, the operating modes of setting a roof beam in place such as hanging can realize that complete machine is traversing, vertical shift and the second supporting leg 2, the first supporting leg 3 via holes.Hanging 5 comprises: bracing frame 51, column 56 and brace summer 57; Bracing frame 51 is arranged on horn 4 tops and is positioned at the below of crossbeam 24, and brace summer 57 is positioned at the top of crossbeam 24.Column 56 connects bracing frame 51 and brace summer 57 through crossbeam 24, and the brace summer 57 that column 56 bottoms are provided with pin 55, the second hangings 5 can lock with horn 4 by pin 55, and the first hanging 9 is also by pin and horn 4 lockings.The crossbeam 24 of the second supporting leg 2 can rotate around column 56, and the first supporting leg 3 also can rotate around column 56.Second hanging the 5 and first hanging 9 also comprises spherical bearing 58, and brace summer 57 contacts with spherical bearing 58 spherical pairs, and brace summer 57 contacts with spherical bearing 58 spherical pairs and can, when driving horn 4 to move, make the second hanging 5 and the first hanging 9 stressed more even.Brace summer 57 bottoms are provided with wearing plate, can prevent that the first supporting leg 3 and the second supporting leg 2 from, when column 56 rotation, producing wearing and tearing to brace summer 57.The first supporting leg 3 is connected with horn 4 by hanging 5 respectively with the second supporting leg 2.Hanging walking mechanism is provided with a plurality of roller trolleys.
In the present embodiment, hanging is provided with four rolling dolly, the first hanging 9 and described the second hanging 5 respectively by roller trolley along described horn 4 vertical shifts, roller trolley is arranged between the bracing frame 51 and horn 4 of hanging.Roller trolley comprises vehicle frame and roller, and roller is rollably arranged on vehicle frame, and vehicle frame is fixedly mounted on bracing frame 51, and roller can be along longitudinal rolling of described horn 4.Roller trolley comprises the first roller trolley 54 and the second roller trolley 52, is provided with two the first roller trolleys 54 and two the second roller trolleys 52 in the present embodiment.The number of rollers of the first roller trolley 54 is greater than the number of rollers of the second roller trolley 52, and in the present embodiment, the number of rollers of the first roller trolley 54 is 9, and the number of rollers of the second roller trolley 52 is 6.Horn 4 tops are provided with top board, and the first roller trolley 54 is arranged between bracing frame 51 and top board outside, and the second roller trolley 52 is arranged between bracing frame 51 and top board inner side.Between bracing frame 51 and horn 4 tops, be respectively equipped with two hanging the second roller trolleys 54, between bracing frame 51 and horn 4 belows, be respectively equipped with two hanging the first roller trolleys 52, the weight of the beam sheet 10 of the single armed box beam bridge formation machine suspension bracket providing due to the present embodiment is larger, roller trolley is larger than the strength of gear teeth, makes hanging beam process more stable.The driving mechanism of the second hanging 5 is also provided with reductor 59, can slow down by pair roller dolly, thereby controls the speed of travel of hanging.The structure of the first hanging 9 is consistent with the structure of the second hanging 5.Because crossbeam can rotate around column 56, do not have obstacle to stop, supporting leg can rotate 65 ° and lock with horn 4, Beam transportation vehicle Beam transportation vehicle can be packed the whole transition of Bridge Erector or be transported to another circuit and set up, make supporting leg can pass through single-track tunnel, there is feature simple in structure, easy to use and that automated procedures are high.
As shown in Figure 2 and Figure 7, the hanging beam overhead crane 7 of single armed box beam bridge formation machine provided by the invention is the Main Hoisting Machinery of Bridge Erector handling concrete box girder.Hanging beam overhead crane 7 comprises: driving main body, hanging beam shoulder pole 72, hoist engine and vertical rod 71; Driving main body can lock with horn 4 by pin, and driving main body drives hanging beam shoulder pole 72 to move up and down by conductor rope, and hanging beam shoulder pole 72 is for the weight of carrier bar sheet 10, and hoist engine is wound with cable wire, to control hanging beam shoulder pole 72 moving up and down along horn 4.Vertical rod 71 is arranged on hanging beam shoulder pole 72, and vertical rod 71 is through hanging beam shoulder pole 72, for beam sheet 10 is fixed on to hanging beam shoulder pole 72, for clamped beam sheet 10.Adopt fixedly large-tonnage beam sheet 10 of vertical rod 71, vertical rod 71 can reach certain intensity, and what make that beam sheet 10 fixes is more stable.Hanging beam overhead crane 7 travelings are vertically moved by sprocket wheel chain mode by 2 5.5KW running motor reducers, compared with the connected mode that adopts rack-and-pinion, more cost-saving.Hoist and adopt the dilatory mode that hoists of hoist engine.Hanging beam walking mechanism is provided with roller trolley 77, and roller trolley 77 is arranged between horn 4 and driving main body.Driving main body is by roller trolley 77 along horn 4 vertical shifts, and roller trolley is connected with horn 4.Horn 4 bottoms are provided with base plate, and roller trolley 77 is arranged between driving main body and base plate inner side.Roller trolley 77 comprises roller vehicle frame and roller, and roller is rollably arranged on roller vehicle frame, and roller vehicle frame is fixedly mounted in driving main body, and roller can be along longitudinal rolling of horn 4.Roller trolley 77 is vertically moved by driven by motor sprocket wheel chain.Compared with the rack-and-pinion adopting before, the cost of chain sprocket is lower, and model is more, and the space that can select is larger.Motor is connected with reductor 59, and roller trolley 77 is provided with 5-10 roller.The intensity of the strength ratio gear of roller trolley 77 is large, when lifting large-tonnage beam sheet 10, can not cause damage by pair roller dolly 77, and hanging beam overhead crane can normally be walked, and normally works.And have simple in structure, transport feature easy to assembly, function admirable.In the present embodiment, hanging beam overhead crane 7 is provided with two roller trolleys, between hanging beam overhead crane 7 and horn 4, be respectively equipped with two driving roller trolleys 77, driving main body can vertically moving along horn 4 by roller trolley 77, the driving main body of hanging beam overhead crane 7 is provided with vehicle frame 74, in vehicle frame 74, be provided with pulley 75, hanging beam shoulder pole 72 is provided with driving wheels 73, and pulley 75 is connected by the conductor rope in guide rope device 76 with driving wheels 73, and pulley 75 drives driving wheels 73 to move up and down by conductor rope.
As shown in Figure 1, single armed box beam bridge formation machine provided by the invention also comprises powered carriage 6, powered carriage 6 is located at the end of horn 4, single armed box beam bridge formation machine in the present embodiment is provided with two powered carriage, a powered carriage is arranged on one end of horn 4, and another powered carriage is arranged on the other end of horn 4.Driving mechanism is arranged in powered carriage 6, compared with between driving mechanism is arranged on hanging 5 or hanging beam overhead crane 7, be arranged on that powered carriage 6 is interior can alleviate hanging 5 and the overall weight of hanging beam overhead crane 7.
As shown in Figure 9 and Figure 10, the 3rd supporting leg 1, the three supporting leg 1 in single armed box beam bridge formation machine provided by the invention is the main supporting member of Bridge Erector when setting a roof beam in place with cantilever via hole.The 3rd supporting leg 1 is provided with rotary oil cylinder 31, and rotary oil cylinder 31 drives the 3rd supporting legs 1 rotation, and rotary oil cylinder 31 can drive the 3rd supporting leg 1 to be rotated into the state with horn 4 parallel longitudinals.Rotating the 3rd supporting leg 1 can widen the width of the 3rd supporting leg 1 and just can make Beam transportation vehicle enter.Single armed box beam bridge formation machine provided by the invention also comprises the secondary bar 18 of support, and the two ends of supporting secondary bar 18 are hinged with the first supporting leg 3 and horn 4 respectively, support secondary bar 18 hinged with the first supporting leg 3 and powered carriage 6 respectively in the present embodiment.Bridge Erector the 3rd supporting leg 1 when feeding beam state is realized the function of shrinking up and down by telescopic oil cylinder, by rotary oil cylinder, realize spin-up backward.Behind Bridge Erector place, during across lift heavy dolly lift tank beam, rotation the 3rd supporting leg 1 utilizes vertical lift oil cylinder to prop the 3rd supporting leg 1.Single armed box beam bridge formation machine provided by the invention need not be widened the 3rd supporting leg 1, but the 3rd supporting leg 1 is rotated up into level, carries out feeding beam, the 3rd supporting leg 1 is rotated in vertical support after waiting feeding beam to put in place again, solves the problem of the 3rd supporting leg 1 in feeding beam process.
The 3rd supporting leg 1 in single armed box beam bridge formation machine provided by the invention comprises: the 3rd top rail 15, rotary oil cylinder 31 and at least two pillars; Pillar is fixedly mounted on respectively the two ends of the 3rd top rail 15, and pillar is positioned at the below of the 3rd top rail 15.Column comprises guide pillar 12 and 11, the three oil cylinders 14 of keeping a foothold that are arranged in guide pillar 12 can drive 11 telescopicallies of keeping a foothold to be arranged in guide pillar 12.The 3rd top rail 15 is hinged with horn 4, and the top of the 3rd top rail 15 is provided with the first free bearing 16, and horn is provided with the second free bearing corresponding to the first free bearing 16, and the first free bearing 16 and the second free bearing are hinged by pin.The 3rd top rail 15 is provided with stretching seat 17, and stretching seat 17 one end are fixed on the 3rd top rail 15, and the other end is fixed on the piston rod of rotary oil cylinder 31, and rotary oil cylinder 31 is arranged on horn 4.Rotary oil cylinder 31 can drive pillar pin joint rotation with horn 4 around the 3rd top rail 15, and the 3rd oil cylinder 14 and rotary oil cylinder 15 are driven by motor.
The 3rd supporting leg 1 in single armed box beam bridge formation machine provided by the invention also comprises and supports secondary bar 18 and the 3rd lower transverse beam 13,, support secondary bar 18 one end with column articulated, the powered carriage 6 of the other end and horn 4 is hinged.The 3rd lower transverse beam 13 is provided with connection seat, and the 3rd oil cylinder 14 is installed by connection seat and the 3rd lower transverse beam 13.
During single armed box beam bridge formation machine via hole of the present invention, during the present embodiment single armed box beam bridge formation erecting 32m beam sheet, pack up hanging beam overhead crane and open to Bridge Erector left end, Bridge Erector is prepared via hole; Pack up the 3rd supporting leg 1, drive the driving mechanism of first hanging the 9, second hanging 5, horn 4 32.7m that moves right, two hanging beam dollies are opened simultaneously near the second supporting leg 2 and are done counterweight; Prop the 3rd supporting leg 1, pack up the second supporting leg 2 32.7m that moves right; The second supporting leg 2, packs up the first supporting leg 3 32.7m that moves right and puts in place; Two hanging beam dollies are opened to the right-hand member of horn 4 and done counterweight, pack up the 3rd supporting leg 1 perk backward, wait for feeding beam.
When single armed box beam bridge formation machine of the present invention is set a roof beam in place, Bridge Erector enters state to be set a roof beam in place, Beam transportation vehicle feeding beam, Beam transportation vehicle feeding beam enters the afterbody of Bridge Erector left end, prop 3, two hanging beam dollies of the first supporting leg sling beam sheet 10 move right to wait to set a roof beam in place across, two hanging beam dollies beam that synchronously falls, beam sheet 10 is in place.
When single armed box beam bridge formation machine of the present invention transition and excessively tunnel, Bridge Erector is packed transition and is crossed tunnel operating mode and is divided into two kinds of situations, when by the slightly shorter tunnel of length, can realize by Bridge Erector falling head self stride, long distance shifts or by Beam transportation vehicle, packs Bridge Erector during tune and realizes.When long distance shifts, the first supporting leg 3 is packed up over after beam face, the second supporting leg 2 and the 3rd supporting leg 1 support, the second supporting leg 2 is moved right and prop the second supporting leg 2 after near the first supporting leg 3, pack up the 3rd supporting leg 1 and standard knot is folded and packed up, Beam transportation vehicle and transhipment bracket thereof are opened to appropriate location in bridge ventral chamber, receive the 3rd supporting leg 1, the second supporting leg 2 falls within on the transhipment bracket of Beam transportation vehicle horn 4, bundled after Bridge Erector and Beam transportation vehicle, and the second supporting leg 2 is horizontally rotated to 65 ° and horn 4 lockings, Beam transportation vehicle Beam transportation vehicle can be packed the whole transition of Bridge Erector or be transported to another circuit and set up.
When single armed box beam bridge formation machine of the present invention is used, Bridge Erector enters state to be set a roof beam in place, Beam transportation vehicle feeding beam, and Beam transportation vehicle feeding beam enters Bridge Erector afterbody, prop the first supporting leg 3, before and after the hanging beam dolly case beam of slinging move forward to and wait to set a roof beam in place across, two hanging beam dollies beam that synchronously falls, beam sheet is in place, pack up the 3rd supporting leg 1, drive the driving mechanism of first hanging the 9, second hanging 5, horn 4 32.7m that moves right, two hanging beam dollies are opened simultaneously near the second supporting leg 2 and are done counterweight; Prop the 3rd supporting leg 1, pack up the second supporting leg 2 32.7m that moves right; The second supporting leg 2, packs up the first supporting leg 3 32.7m that moves right and puts in place; Two hanging beam dollies are opened to the right-hand member of horn 4 and done counterweight, pack up the 3rd supporting leg 1 perk backward, wait for feeding beam next time.
In sum, the present invention has the following advantages: single armed box beam bridge formation machine provided by the invention enters Bridge Erector afterbody at Beam transportation vehicle feeding beam, props the first supporting leg, and the hanging beam dolly case beam of slinging in front and back moves forward to and waits to set a roof beam in place across, two hanging beam dollies beam that synchronously falls; Single armed box beam bridge formation machine provided by the invention can pass through tunnel, belong to single armed freely-supported type, in full width, build bridge, mechanically can realize the beam that once falls when traversing and put in place, have simple in structure, lightweight, transport easy to assembly, function admirable, feature that automated procedures are high.
Above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a single armed box beam bridge formation machine, is characterized in that, comprising:
Horn (4);
The first hanging (9) and the second hanging (5), in described the first hanging (9) and described the second hanging (5), be equipped with driving mechanism and hanging walking mechanism, described driving mechanism drives described horn (4) to vertically move along it by described hanging walking mechanism, and described first hanging (9) and described second hanging (5) can be locked on described horn (4);
The first supporting leg (3), the second supporting leg (2) and the 3rd supporting leg (1), described the 3rd supporting leg (1) is positioned at one end of described horn (4), described the second supporting leg (2) is positioned between described the first supporting leg (3) and described the 3rd supporting leg (1), described the first supporting leg (3) is rotating to be arranged in described the second hanging (9), described the second supporting leg (2) is rotating to be arranged in described the first hanging (5), described the second hanging (9) drives described the first supporting leg (3) to vertically move along described horn (4), described the first hanging (5) drives described the second supporting leg (2) to vertically move along described horn (4), and
Two hanging beam overhead cranes (7), it is arranged at respectively described horn (4) below movably; Wherein, hanging beam overhead crane described in each (7) comprises hanging beam walking mechanism, and described hanging beam overhead crane (7) vertically moves along described horn (4) by described hanging beam walking mechanism.
2. single armed box beam bridge formation machine according to claim 1, it is characterized in that: described the first supporting leg (3) includes crossbeam (24) and two parallel truss (23) with described the second supporting leg (2), described crossbeam (24) is arranged between two parallel described truss (23).
3. single armed box beam bridge formation machine according to claim 2, is characterized in that, hangs described in each and also comprises:
Bracing frame (51), support frame as described above (51) is arranged on described horn (4) top, and is positioned at the below of described crossbeam (24);
Brace summer (57), described brace summer (57) is positioned at the top of described crossbeam (24); And
Column (56), connect support frame as described above (51) and described brace summer (57), described column (56) is through described crossbeam (24), and described the first supporting leg (3) and described the second supporting leg (2) can rotate around described column (56) respectively.
4. single armed box beam bridge formation machine according to claim 3, it is characterized in that: described hanging also comprises spherical bearing (58), described brace summer (57) contacts with described spherical bearing (58) spherical pair, and described brace summer (57) bottom is provided with wearing plate.
5. single armed box beam bridge formation machine according to claim 1, is characterized in that: described in each, hanging beam overhead crane also comprises:
Hanging beam shoulder pole (72), for hanging beam sheet (10);
Hoist engine, it is wound with cable wire, to control described hanging beam shoulder pole (72) moving up and down along described horn (4); And
Vertical rod (71), is arranged on described hanging beam shoulder pole (72) upper, for clamped beam sheet (10).
6. single armed box beam bridge formation machine according to claim 1, is characterized in that: described the 3rd supporting leg (1) is provided with rotary oil cylinder, and described rotary oil cylinder drives described the 3rd supporting leg (1) rotation.
7. single armed box beam bridge formation machine according to claim 1, is characterized in that: on described the first supporting leg (3) and described the second supporting leg (2), be equipped with and drive it to carry out traversing transverse-moving mechanism, described transverse-moving mechanism is positioned on described crossbeam.
8. single armed box beam bridge formation machine according to claim 1, it is characterized in that: described hanging walking mechanism and described hanging beam walking mechanism are equipped with roller trolley, described the first hanging (9), described the second hanging (5) and described hanging beam overhead crane respectively by described roller trolley along described horn (4) vertical shift.
9. single armed box beam bridge formation machine according to claim 1, is characterized in that: also comprise powered carriage (6), described powered carriage (6) is located at the end of described horn (4), and described driving mechanism is arranged in powered carriage (6).
10. single armed box beam bridge formation machine according to claim 1, is characterized in that: also comprise and support secondary bar, the two ends of the secondary bar of described support are hinged with described the first supporting leg (3) and described horn (4) respectively.
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| CN115198648A (en) * | 2022-07-19 | 2022-10-18 | 中铁四局集团有限公司 | Construction method for erecting multi-beam box girder by using single-boom bridge crane |
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| CN103924523B (en) | 2015-10-14 |
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