CN103924523B - A kind of single armed box beam bridge formation machine - Google Patents
A kind of single armed box beam bridge formation machine Download PDFInfo
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- CN103924523B CN103924523B CN201410165541.XA CN201410165541A CN103924523B CN 103924523 B CN103924523 B CN 103924523B CN 201410165541 A CN201410165541 A CN 201410165541A CN 103924523 B CN103924523 B CN 103924523B
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Abstract
The present invention relates to Bridge Erector technical field, disclose a kind of single armed box beam bridge formation machine, comprising: horn; Two hangings, hanging described in each is provided with driving mechanism and hanging walking mechanism, and described driving mechanism drives described horn to be vertically moved along it by described hanging walking mechanism, and described hanging can be locked on described horn; First supporting leg, the second supporting leg and the 3rd supporting leg, described 3rd supporting leg is positioned at the end of described horn, described second supporting leg is between described first supporting leg and described 3rd supporting leg, described first supporting leg and described second supporting leg are rotating to be respectively arranged in described hanging, and described hanging drives described first supporting leg and described second supporting leg to vertically move along described horn respectively; And two hanging beam overhead cranes, it is arranged at below described horn respectively movably; Wherein, hanging beam overhead crane described in each comprises hanging beam walking mechanism, and described hanging beam overhead crane is vertically moved along described horn by described hanging beam walking mechanism.
Description
Technical field
The present invention relates to Bridge Erector technical field, particularly relate to a kind of single armed box beam bridge formation machine, particularly a kind of single armed box beam bridge formation machine that automatically can pass through tunnel.
Background technology
Bridge Erector is exactly 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 mentioned by beam sheet, put down after being then transported to position, Bridge Erector is divided into erection road bridge, conventional railway bridge, and railway of passengers' private line bridge 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, feeding beam in tunnel cannot be completed, as the single armed box beam bridge formation machine that application number is 201020549604.9, wherein, because beam body needs by 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 erection 45 ° of skew bridges, No. 2 supporting legs need rotation 45 °, and then widen curved beam, when bridge tunnel distance is 4 meters, curved beam cannot complete out the first hole beam of tunnel erection after widening, and sets a roof beam in place highly because curved beam and tunnel obstacle make bridge machine rise to.
When whole Bridge Erector crosses tunnel, because the second supporting leg 2 can only rotate 45 °, so cannot single-track tunnel be passed through.
In view of the defect of above-mentioned prior art, needs provide can automatically by 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 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;
First hanging and the second hanging, described first hanging and described second hanging are equipped with driving mechanism and hanging walking mechanism, described driving mechanism drives described horn to be vertically moved along it by described hanging walking mechanism, and described first hanging and described second hanging can be locked on described horn;
First supporting leg, the second supporting leg and the 3rd supporting leg, described 3rd supporting leg is positioned at one end of described horn, described second supporting leg is between described first supporting leg and described 3rd supporting leg, described first supporting leg is rotating to be arranged in described second hanging, described second supporting leg is rotating to be arranged in described first hanging, described second hanging drives described first supporting leg to vertically move along described horn, and described first hanging drives described second supporting leg to vertically move along described horn; And
Two hanging beam overhead cranes, it is arranged at below described horn respectively movably; Wherein, hanging beam overhead crane described in each comprises hanging beam walking mechanism, and described hanging beam overhead crane is vertically moved along described horn by described hanging beam walking mechanism.
Wherein, described first supporting leg includes the crossbeam truss parallel with two with described second supporting leg, and described crossbeam is arranged between two parallel described truss.
Wherein, hang described in each and also comprise:
Bracing frame, support frame as described above is arranged on above described horn, 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 first supporting leg and described second supporting leg can move around described column respectively.
Wherein, described suspension bracket also comprises spherical bearing, and described brace summer contacts with described spherical bearing spherical pair, is provided with wearing plate bottom described brace summer.
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 3rd supporting leg is provided with rotary oil cylinder, and described rotary oil cylinder drives described 3rd supporting leg to rotate.
Wherein, described first supporting leg and described second supporting leg are equipped with and drive it to carry out traversing transverse-moving mechanism, 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 respectively with described first supporting leg and described horn hinged.
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 hanging beam dolly case beam of slinging in front and back moves forward to wait to set a roof beam in place and synchronously to fall beam across, two hanging beam dollies; Single armed box beam bridge formation machine provided by the invention can pass through tunnel, belong to single armed freely-supported type, build bridge in full width, mechanical traversing time the beam that can realize once falling put in place, have structure simple, lightweight, transport easy to assembly, that function admirable, automated procedures are high feature.
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; 5: the second hangings; 6: powered carriage; 7: the second hanging beam overhead cranes; 8: the first hanging beam overhead cranes; 9: the first hangings; 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: hang the first roller trolley; 53: hanging wheels; 54: hang 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.
Detailed description of the invention
In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.Term " interior ", " on ", the orientation of the instruction such as D score, "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration 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 for illustration of 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, first supporting leg 3, second supporting leg the 2, three supporting leg 1, second hanging 5 and the first hanging 9, two hanging beam overhead cranes; Have employed the first supporting leg 3, second supporting leg 2 and the 3rd supporting leg 1 three supporting legs in the present embodiment, also can arrange four or five supporting legs 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.Horn 4 is as main bearing carrier, and horn 4 adopts box-girder assembled structure, can be formed by more piece unit beam pin joint.Second hanging 5 and the first hanging 9 are equipped with driving mechanism and hanging walking mechanism, and driving mechanism drives horn 4 by hanging walking mechanism vertically moving along horn 4, and the long axis direction of horn 4 is longitudinally.And hanging can be locked on horn 4, 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.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, be arranged at below horn 4 all movably, wherein, each hanging beam overhead crane comprises hanging beam walking mechanism, and hanging beam overhead crane is vertically moved 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 longitudinal resistance to capsizing is strong, and stability is good; Be arranged on because the first supporting leg 3 is rotating in 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, the erection of center distance >=5m; Beam transportation vehicle is packed the transfer of Bridge Erector interval and was met tunnel, the requirement of speed per hour 250km/h and gauge thereof; Bridge Erector meets curved bridge, the erection of sweep >=2000m; Bridge Erector vertical shift and the vertical shift of hanging beam dolly adopt chain to force to drive, safe and reliable; Bridge Erector is by complete machine during tunnel without dismounting, and can directly pack by tunnel by Beam transportation vehicle after the height of each post being done corresponding adjustment by the hydraulic jack of each supporting leg, saving of work and time, brief construction period, increases work efficiency.Single armed box beam bridge formation machine provided by the invention is mainly used in the concrete beam sheet setting up highway bridge and railroad bridge, belong to single armed freely-supported type, build bridge in full width, mechanical traversing time the beam that can realize once falling put in place, have structure simple, lightweight, transport easy to assembly, that function admirable, automated procedures are high feature.
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 sets a roof beam in place at longitudinal gradient and become the function across adjusting girder vertical equity during operation, is again the driving pillar that Bridge Erector via hole vertically moves.When setting a roof beam in place, the second supporting leg 2 of Bridge Erector is supported on prefabricated case beam leading section.Second supporting leg 2 is portal-framed structure, comprise crossbeam 24 truss parallel with two 23, truss 23 controls to stretch by hydraulic jack, crossbeam 24 is arranged between two parallel truss 23, the bottom being provided with truss 23 in truss 23 is provided with bearing 26, be separately installed with bearing diagonal 21 between truss 23 and bearing 26, the effect supported can be strengthened.In the present embodiment the second supporting leg 2 crossbeam 24 on be also provided with transverse-moving mechanism 25, transverse-moving mechanism 25 is sideslip oil cylinder, horn 4 can be driven to carry out traversing, is laterally the left and right directions of horn 4 in Fig. 2, the each 0.5m in range left and right, is finely tuned by transverse-moving mechanism 25 pairs of Bridge Erector lateral attitudes.
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 sets a roof beam in place at longitudinal gradient and become the function across adjusting girder vertical equity during operation, is again the driving pillar that Bridge Erector via hole vertically moves.When setting a roof beam in place, the first supporting leg 3 of Bridge Erector is supported on front 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.First supporting leg 3 is also provided with and drives 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, horn 4 can be driven to carry out traversing, the each 0.5m in 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 the horn 4 and 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, first supporting leg 3 via hole.Hanging 5 comprises: bracing frame 51, column 56 and brace summer 57; Bracing frame 51 to be arranged on above horn 4 and to be 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, is provided with pin 55 bottom column 56, and the brace summer 57 of the second hanging 5 can be locked with horn 4 by pin 55, and the first hanging 9 is also locked by pin and horn 4.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 5 and the first hanging 9 also comprise spherical bearing 58, and brace summer 57 contacts with spherical bearing 58 spherical pair, and brace summer 57 contacts with spherical bearing 58 spherical pair can when driving horn 4 to move, make the second hanging 5 and first hang 9 stressed evenly.Be provided with wearing plate bottom brace summer 57, can prevent the first supporting leg 3 and the second supporting leg 2 when column 56 rotates, wearing and tearing are produced to brace summer 57.First supporting leg 3 is connected with horn 4 respectively by hanging 5 with the second supporting leg 2.Hanging walking mechanism is provided with multiple roller trolley.
In the present embodiment, hanging is provided with four rolling dolly, and the first hanging 9 and described second hanging 5 are respectively by roller trolley along the vertical shift of described horn 4, and roller trolley is arranged between the bracing frame 51 of hanging and horn 4.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 roll along the longitudinal direction 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 top is provided with top board, between the first roller trolley 54 is arranged at outside bracing frame 51 and top board, between the second roller trolley 52 is arranged at inside bracing frame 51 and top board.Be respectively equipped with two between above bracing frame 51 and horn 4 and hang the second roller trolley 54, be respectively equipped with two between below bracing frame 51 and horn 4 and hang the first roller trolley 52, the weight of the beam sheet 10 of the single armed box beam bridge formation machine suspension bracket provided 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, thus controls the speed of travel of hanging.First hanging 9 structure and second hang 5 structure consistent.Because crossbeam can rotate around column 56, obstacle is not had to stop, supporting leg can rotate 65 ° and lock with horn 4, Beam transportation vehicle Beam transportation vehicle can be packed the overall transition of Bridge Erector or be transported to another circuit and set up, make supporting leg by single-track tunnel, can have the advantages that structure is simple, easy to use and 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 be locked 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, vertical rod 71 through hanging beam shoulder pole 72, for beam sheet 10 is fixed on hanging beam shoulder pole 72, for clamped beam sheet 10.Adopt vertical rod 71 to fix large-tonnage beam sheet 10, vertical rod 71 can reach certain intensity, and what beam sheet 10 was fixed is more stable.Hanging beam overhead crane 7 traveling is vertically moved by sprocket wheel chain mode by 2 5.5KW running motor reducers, compared with the connected mode adopting 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 shift, and roller trolley is connected with horn 4.Base plate is provided with, between roller trolley 77 is arranged at inside driving main body and base plate bottom horn 4.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 roll along the longitudinal direction of horn 4.Roller trolley 77 is vertically moved by driven by motor sprocket wheel chain.Compared with the rack-and-pinion adopted 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, can not cause damage by pair roller dolly 77, hanging beam overhead crane normally can be walked, normally work when lifting by crane large-tonnage beam sheet 10.And have structure simple, transport feature that is easy to assembly, function admirable.In the present embodiment, hanging beam overhead crane 7 is provided with two roller trolleys, two roller trolleys 77 of driving a vehicle are respectively equipped with between hanging beam overhead crane 7 and horn 4, 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, pulley 75 is provided with in vehicle frame 74, 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 the overall weight that can alleviate hanging 5 and hanging beam overhead crane 7 in powered carriage 6.
As shown in Figure 9 and Figure 10, the 3rd supporting leg the 1, three supporting leg 1 in single armed box beam bridge formation machine provided by the invention be Bridge Erector set a roof beam in place and cantilever via hole time main supporting member.3rd supporting leg 1 is provided with rotary oil cylinder 31, and rotary oil cylinder 31 drives the 3rd supporting leg 1 to rotate, and rotary oil cylinder 31 can drive the 3rd supporting leg 1 to be rotated into the state parallel longitudinal with horn 4.Rotating the width that the 3rd supporting leg 1 can widen the 3rd supporting leg 1 just can make Beam transportation vehicle enter.Single armed box beam bridge formation machine provided by the invention also comprises and supports secondary bar 18, the two ends supporting secondary bar 18 respectively with the first supporting leg 3 and horn 4 hinged, support in the present embodiment secondary bar 18 respectively with the first supporting leg 3 and powered carriage 6 hinged.When Bridge Erector is in feeding beam state, the 3rd supporting leg 1 realizes the function of shrinking up and down by telescopic oil cylinder, realizes spin-up backward by rotary oil cylinder.When behind Bridge Erector place across lift heavy dolly lift tank beam time, rotate the 3rd supporting leg 1 utilize vertical lift oil cylinder to prop the 3rd supporting leg 1.Single armed box beam bridge formation machine provided by the invention need not widen the 3rd supporting leg 1, but the 3rd supporting leg 1 is rotated up into level carries out feeding beam, again the 3rd supporting leg 1 is rotated in vertical support, solves the problem of the 3rd supporting leg 1 in feeding beam process after waiting feeding beam to put in place.
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 the two ends of the 3rd top rail 15 respectively, and pillar is positioned at the below of the 3rd top rail 15.Column comprises guide pillar 12 and the 11, three oil cylinder 14 of keeping a foothold be arranged in guide pillar 12 can drive 11 telescopicallies of keeping a foothold to be arranged in guide pillar 12.3rd 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 corresponds to the first free bearing 16 and is provided with the second free bearing, and it is hinged that the first free bearing 16 and the second free bearing pass through pin.3rd top rail 15 is provided with stretching seat 17, and stretching seat 17 one end is 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 to rotate with the pin joint of 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 the secondary bar 18 of support and the 3rd lower transverse beam 13, support secondary bar 18 one end and prop up column articulated, the powered carriage 6 of the other end and horn 4 is hinged.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 prepares via hole; Pack up the 3rd supporting leg 1, drive the driving mechanism of the first hanging 9, second hanging 5, horn 4 moves right 32.7m, and two hanging beam dollies are opened simultaneously and do counterweight near the second supporting leg 2; Prop the 3rd supporting leg 1, pack up the second supporting leg 2 and the 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; The right-hand member opened by two hanging beam dollies to horn 4 does counterweight, packs up the 3rd supporting leg 1 and tilts backward, waits 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 the first supporting leg 3, two hanging beam dollies sling beam sheet 10 move right to wait to set a roof beam in place across, two hanging beam dollies synchronously fall beam, by place for beam sheet 10.
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, realize by Bridge Erector falling head self stride when the tunnel slightly shorter by length, pack Bridge Erector to realize by Beam transportation vehicle when long distance transfer or tune.When long distance transfer, first supporting leg 3 is packed up after exceeding beam face, second supporting leg 2 and the 3rd supporting leg 1 support, second supporting leg 2 is moved right after near the first supporting leg 3 and prop the second supporting leg 2, pack up the 3rd supporting leg 1 and pack up folding for standard knot, Beam transportation vehicle and transhipment bracket thereof are opened appropriate location to bridge ventral chamber, receive the 3rd supporting leg 1, second supporting leg 2 makes horn 4 fall within the transhipment bracket of Beam transportation vehicle, after having bundled Bridge Erector and Beam transportation vehicle, and the second supporting leg 2 is horizontally rotated 65 ° with horn 4 and lock, Beam transportation vehicle Beam transportation vehicle can be packed the overall 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 uses, 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 hanging beam dolly case beam of slinging move forward to wait to set a roof beam in place and synchronously to fall beam across, two hanging beam dollies, by place for beam sheet, pack up the 3rd supporting leg 1, drive the driving mechanism of the first hanging 9, second hanging 5, horn 4 moves right 32.7m, and two hanging beam dollies are opened simultaneously and do counterweight near the second supporting leg 2; Prop the 3rd supporting leg 1, pack up the second supporting leg 2 and the 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; The right-hand member opened by two hanging beam dollies to horn 4 does counterweight, packs up the 3rd supporting leg 1 and tilts backward, waiting 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 hanging beam dolly case beam of slinging in front and back moves forward to wait to set a roof beam in place and synchronously to fall beam across, two hanging beam dollies; Single armed box beam bridge formation machine provided by the invention can pass through tunnel, belong to single armed freely-supported type, build bridge in full width, mechanical traversing time the beam that can realize once falling put in place, have structure simple, lightweight, transport easy to assembly, that function admirable, automated procedures are high feature.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments 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);
First hanging (9) and the second hanging (5), described first hanging (9) and described second hanging (5) are equipped with driving mechanism and hanging walking mechanism, described driving mechanism drives described horn (4) to be vertically moved along it by described hanging walking mechanism, and described first hanging (9) and described second hanging (5) can be locked on described horn (4);
First supporting leg (3), second supporting leg (2) and the 3rd supporting leg (1), described 3rd supporting leg (1) is positioned at one end of described horn (4), described second supporting leg (2) is positioned between described first supporting leg (3) and described 3rd supporting leg (1), described first supporting leg (3) is rotating to be arranged in described second hanging (9), described second supporting leg (2) is rotating to be arranged in described first hanging (5), described second hanging (9) drives described first supporting leg (3) to vertically move along described horn (4), described first hanging (5) drives described second supporting leg (2) to vertically move along described horn (4), and
Two hanging beam overhead cranes (7), it is arranged at described horn (4) below respectively movably; Wherein, hanging beam overhead crane described in each (7) comprises hanging beam walking mechanism, and described hanging beam overhead crane (7) is vertically moved 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 first supporting leg (3) and described second supporting leg (2) include crossbeam (24) truss (23) parallel with two, 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 and also comprise described in each:
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 first supporting leg (3) and described 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), for clamped beam sheet (10).
6. single armed box beam bridge formation machine according to claim 1, is characterized in that: described 3rd supporting leg (1) is provided with rotary oil cylinder, and described rotary oil cylinder drives described 3rd supporting leg (1) to rotate.
7. single armed box beam bridge formation machine according to claim 2, is characterized in that: described first supporting leg (3) and described second supporting leg (2) are 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 first hangs (9), described 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, it 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 respectively with described 3rd supporting leg (1) and described horn (4) hinged.
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| CN113699902B (en) * | 2021-09-28 | 2023-04-07 | 中铁第五勘察设计院集团有限公司 | Beam changing equipment |
| 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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| KR20080107085A (en) * | 2007-06-05 | 2008-12-10 | 삼성물산 주식회사 | Construction method for girder in bridge and crane for pulling up girder, vehicle for carriage girder, girder used for the same |
| CN102102317B (en) * | 2009-12-22 | 2012-03-07 | 中铁科工集团有限公司 | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam |
| CN201648969U (en) * | 2009-12-22 | 2010-11-24 | 中铁科工集团有限公司 | Railway T-girder bridge girder erection machine suitable for laying and erecting seamless lines for passenger and freight shared lines |
| CN203373664U (en) * | 2013-07-01 | 2014-01-01 | 中铁科工集团有限公司 | Foldable rear supporting leg of tunnel-through bridge girder erection machine |
| CN103422441B (en) * | 2013-08-13 | 2015-10-28 | 中铁六局集团有限公司 | DJ180 Bridge Erector erection long-span highway box beam passing method |
| CN203878478U (en) * | 2014-04-23 | 2014-10-15 | 邯郸市北恒工程机械有限公司 | A bridge girder erection machine with a single arm box girder |
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