CN203821250U - Hanging structure of one-armed box girder bridge erection machine - Google Patents
Hanging structure of one-armed box girder bridge erection machine Download PDFInfo
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- CN203821250U CN203821250U CN201420202445.3U CN201420202445U CN203821250U CN 203821250 U CN203821250 U CN 203821250U CN 201420202445 U CN201420202445 U CN 201420202445U CN 203821250 U CN203821250 U CN 203821250U
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Abstract
The utility model relates to the technical field of bridge erection machines, and discloses a hanging structure of a one-armed box girder bridge erection machine. The hanging structure comprises a support rack, support girders, vertical columns and spherical support bases, wherein the support rack is mounted above a machine arm; transverse girders are arranged at the tops of support legs; the support rack is positioned below the transverse girders; the support girder is positioned above the transverse girders; the vertical columns penetrate through the transverse girders and are connected with the support rack and the support girders; the transverse girders can rotate around the vertical columns; the tops of the support girders are connected with the spherical surface pairs of the spherical support bases. When the support girders of the hanging structure of the one-armed box girder bridge erection machine are connected are connected with the spherical surface pairs of the spherical support bases, the hanging structure can be uniformly stressed when a driving arm moves, the one-armed box girder bridge erection machine can work normally, the service life of the hanging structure is prolonged, and the hanging structure has the characteristics of being simple in structure, simple and convenient to use, and high in automation programming.
Description
Technical field
The utility model relates to Bridge Erector technical field, relates in particular to a kind of hanging structure of single armed box beam bridge formation machine, and concrete is a kind of hanging structure that can make to hang stressed uniform single armed box beam bridge formation machine.
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.
Existing hanging structure is in the time driving supporting leg to move or when horn moves, drive motors to hanging produce driving force time due to hanging unbalance stress, not only can affect the normal work of single armed box beam bridge formation machine, and can damage hanging structure under long-time use, affect the application life of single armed box beam bridge formation machine.
In view of the defect of above-mentioned prior art, need to provide the hanging structure that can make to hang stressed uniform single armed box beam bridge formation machine.
Utility model content
The technical problems to be solved in the utility model is existing hanging structure in the time driving supporting leg to move or when horn moves, and when driving force that drive motors produces hanging, due to hanging unbalance stress, not only can affect the problem of the normal work of single armed box beam bridge formation machine.
In order to solve the problems of the technologies described above, the utility model provides a kind of hanging structure of single armed box beam bridge formation machine, comprising: bracing frame, brace summer, column and spherical bearing; Support frame as described above is arranged on horn top, the top of supporting leg is provided with crossbeam, support frame as described above is positioned at the below of described crossbeam, described brace summer is positioned at the top of described crossbeam, described column connects support frame as described above and described brace summer through described crossbeam, described crossbeam can rotate around described column, and the top of described brace summer is connected with described spherical bearing spherical pair.
Wherein, also comprise driving mechanism and hanging structure walking mechanism, described driving mechanism drives horn to vertically move along it by described hanging structure walking mechanism, and described brace summer can be locked on described horn.
Wherein, described column bottom is provided with pin, and described brace summer can lock with horn by pin.
Wherein, described hanging structure walking mechanism is provided with multiple roller trolleys, and roller trolley is arranged between support frame as described above and horn.
Wherein, described roller trolley comprises vehicle frame and roller, and described roller is rollably arranged on described vehicle frame, and described vehicle frame is fixedly mounted on support frame as described above, and described roller can be along longitudinal rolling of described horn.
Wherein, described roller trolley comprises the first roller trolley and the second roller trolley, and the number of rollers of described the first roller trolley is greater than the number of rollers of described the second roller trolley.
Wherein, described horn top is provided with top board, and described the first roller trolley is arranged between support frame as described above and described top board outside, and described the second roller trolley is arranged between support frame as described above and described top board inner side.
Wherein, described driving mechanism is provided with reductor.
Wherein, between described brace summer bottom and described crossbeam, be provided with wearing plate.
Technique scheme tool of the present utility model has the following advantages: the hanging structure brace summer of the single armed box beam bridge formation machine that the utility model provides is connected with spherical bearing spherical pair can be in the time driving horn to move, make hanging structure stressed evenly, single armed box beam bridge formation machine is normally worked, and in the life-span that extends hanging structure, there is feature simple in structure, easy to use and that automated procedures are high.
Brief description of the drawings
Fig. 1 is the Facad structure schematic diagram of the utility model embodiment single armed box beam bridge formation machine;
Fig. 2 is the side structure schematic diagram of the utility model embodiment single armed box beam bridge formation machine;
Fig. 3 is the Facad structure schematic diagram of the second supporting leg of the utility model embodiment single armed box beam bridge formation machine;
Fig. 4 is the side structure schematic diagram of the second supporting leg of the utility model embodiment single armed box beam bridge formation machine;
Fig. 5 is the side structure schematic diagram of the hanging structure of the utility model embodiment single armed box beam bridge formation machine;
Fig. 6 is the Facad structure schematic diagram of the hanging structure of the utility model embodiment single armed box beam bridge formation machine;
Fig. 7 is the side structure schematic diagram of the hanging beam overhead crane of the utility model embodiment single armed box beam bridge formation machine;
Fig. 8 is the Facad structure schematic diagram of the hanging beam overhead crane of the utility model embodiment single armed box beam bridge formation machine;
Fig. 9 is the Facad structure schematic diagram of the 3rd supporting leg of the utility model embodiment single armed box beam bridge formation machine;
Figure 10 is the side structure schematic diagram of the 3rd supporting leg of the utility model embodiment 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 hanging structures; 6: powered carriage; 7: the second hanging beam overhead cranes; 8: the first hanging beam overhead cranes; 9: the first hanging structures; 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 structure the first roller trolley; 53: hanging structure wheels; 54: hanging structure 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: conductor rope; 77: driving roller trolley.
Detailed description of the invention
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.Term " interior ", " on ", orientation or the position relationship of the instruction such as D score, " left side ", " right side " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, single armed box beam bridge formation machine, comprising: horn 4, first supporting leg 3, the second supporting leg 2, the three supporting leg 1, the second hanging structures 5 and 9, two hanging beam overhead cranes of the first hanging structure; 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 structure, can be formed by more piece unit beam pin joint.On the second hanging structure 5 and the first hanging structure 9, be equipped with driving mechanism and hanging structure walking mechanism, driving mechanism drive horn 4 by hanging structure walking mechanism along the vertically moving of horn 4, the long axis direction of horn 4 is longitudinal.And hanging structure 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.The first supporting leg 3 is rotating to be arranged on the second hanging structure 5, the second supporting leg 2 is rotating to be arranged on the first hanging structure 9, the second hanging structure 5 drives the first supporting leg 3 to vertically move along horn 4, and the first hanging structure 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; Be arranged on the second hanging structure 5 because the first supporting leg 3 is rotating, the second supporting leg 2 is rotating to be arranged on the first hanging structure 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 post being done to corresponding adjustment by the hydraulic jack of each supporting leg, saving of work and time, and briefly construction period, increases work efficiency.Single armed box beam bridge formation machine is mainly used in setting up the concrete beam sheet of highway bridge and railroad bridge, belong to single armed freely-supported type, build bridge in full width, 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, the second supporting leg 2 is Bridge Erector main supporting members in the time setting a roof beam in place, simultaneously it also has Bridge Erector and adjusts in the time that longitudinal gradient is set a roof beam in place and become across operation 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 truss parallel with two 23, truss 23 can stretch by hydraulic jack control, 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, the each 0.5m in range left and right, finely tunes Bridge Erector lateral attitude by transverse-moving mechanism 25.
In single armed box beam bridge formation machine, the first supporting leg 3 is also the main supporting member of Bridge Erector in the time setting a roof beam in place, and simultaneously it also has Bridge Erector and adjust in the time that longitudinal gradient is set a roof beam in place and become across operation 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 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.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, 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 structure in the single armed box beam bridge formation machine that the utility model provides comprises the second hanging structure 5 and the first hanging structure 9, hanging structure 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 structure can realize that complete machine is traversing, vertical shift and the second supporting leg 2, the first supporting leg 3 via holes.Hanging structure 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 hanging structures 5 can lock with horn 4 by pin 55, and the first hanging structure 9 also locks 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.The second hanging structure 5 and the first hanging structure 9 also comprise spherical bearing 58, brace summer 57 is connected with spherical bearing 58 spherical pairs, brace summer 57 is connected with spherical bearing 58 spherical pairs and can, in the time driving horn 4 to move, makes the second hanging structure 5 and the first hanging structure 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 are in the time that column 56 rotates, and brace summer 57 is produced to wearing and tearing.The first supporting leg 3 is connected with horn 4 by hanging structure 5 respectively with the second supporting leg 2.Hanging structure walking mechanism is provided with multiple roller trolleys.
In the present embodiment, hanging structure is provided with four rolling dolly, the first hanging structure 9 and described the second hanging structure 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 structure.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 structures the second roller trolley 54, between bracing frame 51 and horn 4 belows, be respectively equipped with two hanging structures the first roller trolley 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 structure 5 is also provided with reductor 59, can slow down by pair roller dolly, thus the speed of travel of control hanging structure.The structure of the first hanging structure 9 is consistent with the structure of the second hanging structure 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 Bridge Erector entirety transition 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 in single armed box beam bridge formation machine is the Main Hoisting Machinery of Bridge Erector handling concrete box girder.Hanging beam overhead crane 7 comprises: hanging beam shoulder pole 72, hoist engine and vertical rod 71; 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, for clamped beam sheet 10.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, hanging beam overhead crane respectively by roller trolley along horn 4 vertical shifts, roller trolley is connected with horn 4, in the present embodiment, hanging beam overhead crane 7 is provided with two roller trolleys, between bracing frame 51 and horn 4 tops, be respectively equipped with two driving roller trolleys 77, between hanging beam overhead crane 7 and horn, be respectively equipped with two driving roller trolleys 77, 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 conductor rope 76 with driving wheels 73.
As shown in Figure 1, single armed box beam bridge formation machine also comprises powered carriage 6, and powered carriage 6 is located at the end of horn 4, and the 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 structure 5 or hanging beam overhead crane 7, be arranged on the interior overall weight that can alleviate hanging structure 5 and hanging beam overhead crane 7 of powered carriage 6.
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 is the main supporting member of Bridge Erector in the time 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 leg 1 to rotate, and rotary oil cylinder 31 can drive the 3rd supporting leg 1 to be rotated into and the state of 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 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 in the time of feeding beam state is realized the function of shrinking up and down by telescopic oil cylinder, realize spin-up backward by rotary oil cylinder.When 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 need not be widened the 3rd supporting leg 1, carries out feeding beam but the 3rd supporting leg 1 is rotated up into level, 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 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 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.
When single armed box beam bridge formation machine via hole, when 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 the first hanging structure 9, the second hanging structure 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 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, by place beam sheet 10.
When the transition of single armed box beam bridge formation machine 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 packs Bridge Erector by Beam transportation vehicle when tune and realizes.In the time that long distance shifts, the first supporting leg 3 is packed up and exceeded 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 pack up folding standard knot, 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, bundle after Bridge Erector and Beam transportation vehicle, and the second supporting leg 2 is horizontally rotated to 65 ° lock with horn 4, Beam transportation vehicle Beam transportation vehicle can be packed Bridge Erector entirety transition or be transported to another circuit and set up.
When single armed box beam bridge formation machine 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 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, by place beam sheet, pack up the 3rd supporting leg 1, drive the driving mechanism of the first hanging structure 9, the second hanging structure 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, single armed box beam bridge formation machine 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 can pass through tunnel, belongs to single armed freely-supported type, builds bridge, mechanically can realize the beam that once falls when traversing and put in place in full width, have simple in structure, lightweight, transport easy to assembly, function admirable, feature that automated procedures are high.
When the hanging structure of the single armed box beam bridge formation machine that the utility model provides uses, bracing frame is arranged on horn top and is positioned at the below of crossbeam, and brace summer is positioned at the top of crossbeam.Column connects bracing frame and brace summer through crossbeam, and the brace summer of the second hanging can lock with horn by pin, and the first hanging is also by pin and horn locking.The crossbeam of the second supporting leg can rotate around column, and the first supporting leg also can rotate around column.Brace summer is connected with spherical bearing spherical pair and can, in the time driving horn to move, makes brace summer stressed more even because spherical pair connects, and single armed box beam bridge formation machine is normally worked, and extend the life-span of hanging structure.
The hanging structure brace summer of the single armed box beam bridge formation machine that the utility model provides is connected with spherical bearing spherical pair can be in the time driving horn to move, make hanging structure stressed evenly, single armed box beam bridge formation machine is normally worked, and in the life-span that extends hanging structure, there is feature simple in structure, easy to use and that automated procedures are high.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model 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 amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (9)
1. a hanging structure for single armed box beam bridge formation machine, is characterized in that, comprising: bracing frame (51), brace summer (57), column (56) and spherical bearing (58); Support frame as described above (51) is arranged on horn (4) top, the top of supporting leg is provided with crossbeam (24), support frame as described above (51) is positioned at the below of described crossbeam (24), described brace summer (57) is positioned at the top of described crossbeam (24), described column (56) connects support frame as described above (51) and described brace summer (57) through described crossbeam (24), described supporting leg can rotate around described column (56), and the top of described brace summer (57) is connected with described spherical bearing (58) spherical pair.
2. the hanging structure of single armed box beam bridge formation machine according to claim 1, it is characterized in that: also comprise driving mechanism and hanging structure walking mechanism, described driving mechanism drives horn (4) to vertically move along it by described hanging structure walking mechanism, and described brace summer (57) can be locked on described horn (4).
3. the hanging structure of single armed box beam bridge formation machine according to claim 1, it is characterized in that, described column (56) bottom is provided with pin (55), and described brace summer (57) can lock with horn (4) by pin (55).
4. the hanging structure of single armed box beam bridge formation machine according to claim 2, is characterized in that: described hanging structure walking mechanism comprises multiple roller trolleys, and roller trolley is arranged between support frame as described above (51) and horn (4).
5. the hanging structure of single armed box beam bridge formation machine according to claim 4, it is characterized in that: described roller trolley comprises vehicle frame and roller, described roller is rollably arranged on described vehicle frame, it is upper that described vehicle frame is fixedly mounted on support frame as described above (51), and described roller can be along longitudinal rolling of described horn (4).
6. the hanging structure of single armed box beam bridge formation machine according to claim 4, it is characterized in that: described roller trolley comprises the first roller trolley (54) and the second roller trolley (52), and the number of rollers of described the first roller trolley (54) is greater than the number of rollers of described the second roller trolley (52).
7. the hanging structure of single armed box beam bridge formation machine according to claim 6, it is characterized in that: described horn (4) top is provided with top board, described the first roller trolley (54) is arranged between support frame as described above (51) and described top board outside, and described the second roller trolley (52) is arranged between support frame as described above (51) and described top board inner side.
8. the hanging structure of single armed box beam bridge formation machine according to claim 2, is characterized in that: described driving mechanism comprises reductor (59).
9. the hanging structure of single armed box beam bridge formation machine according to claim 1, is characterized in that: between described brace summer (57) bottom and described crossbeam (24), be provided with wearing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420202445.3U CN203821250U (en) | 2014-04-23 | 2014-04-23 | Hanging structure of one-armed box girder bridge erection machine |
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| CN201420202445.3U CN203821250U (en) | 2014-04-23 | 2014-04-23 | Hanging structure of one-armed box girder bridge erection machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299506A (en) * | 2014-10-21 | 2015-01-21 | 西安交通大学 | Wide lane-through type bridge erecting machine teaching aid for teaching |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299506A (en) * | 2014-10-21 | 2015-01-21 | 西安交通大学 | Wide lane-through type bridge erecting machine teaching aid for teaching |
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Granted publication date: 20140910 |