CN218712242U - Bridge girder erection machine suitable for erecting spliced wide bridge piece - Google Patents
Bridge girder erection machine suitable for erecting spliced wide bridge piece Download PDFInfo
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- CN218712242U CN218712242U CN202222892660.8U CN202222892660U CN218712242U CN 218712242 U CN218712242 U CN 218712242U CN 202222892660 U CN202222892660 U CN 202222892660U CN 218712242 U CN218712242 U CN 218712242U
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Abstract
The utility model discloses a bridge girder erection machine suitable for piece together wide bridge piece and erect, including girder, longitudinal movement device and hoisting accessory, be equipped with horizontal frame on the longitudinal movement device, be equipped with vertical braces and a plurality of balancing weight on the horizontal frame, set up the girder on the vertical braces, longitudinal movement device's length direction and girder length direction set up perpendicularly, and the girder extends to one side of longitudinal movement device, is equipped with the guide rail on the girder length direction along, and hoisting accessory sliding fit is on the guide rail. A bridge girder erection machine suitable for piece together wide bridge piece and erect utilizes longitudinal movement device transportation beam piece to assigned position, horizontal frame and vertical braces are as the connection basis of girder, the balancing weight prevents that bridge girder erection machine from toppling, utilizes the cooperation of hoisting accessory and girder to erect the beam piece of piecing together wide bridge, longitudinal movement device can carry the beam piece and remove along the emergent lane of former bridge, this bridge girder erection machine simple structure, convenient to use, respond well.
Description
Technical Field
The utility model relates to a piece together wide bridge technical field, especially a bridge girder erection machine suitable for piece together wide bridge piece and erect.
Background
The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. Bridge girder erection machines belong to the crane category, as their main function is to lift the beam piece up and then transport it into position and put it down. Bridge cranes are very different from cranes in general. The bridge construction machine runs on a highway or a railway track and is used for erecting a small span beam on the whole span. Because the bridging work efficiency is high, the erection is considered as a design principle in the standard design of the Chinese railway bridge. The machine body is huge and has higher requirements on construction sites. The specified heights of the two sides of the longitudinal running track of the bridge girder erection machine are required to be correspondingly level, and the stability is kept. The front, middle and rear supporting legs are required to be horizontal in transverse running tracks, the distance is strictly controlled, and the three tracks must be parallel.
The spliced wide bridge erecting machine is limited in operation site, the length of a new bridge cover beam is small, the new bridge cover beam cannot be used as a fulcrum of the bridge erecting machine, a river cannot be erected under a bridge, an old bridge is not interrupted in driving, only the width of an emergency lane can be used as a safe construction area, and therefore the traditional bridge erecting machine cannot complete erection of the spliced wide bridge plates.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the bridge girder erection machine is suitable for erection of the spliced wide bridge girder pieces.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a bridge girder erection machine suitable for piece together wide bridge piece and erect, includes girder, longitudinal movement device and hoisting accessory, be equipped with horizontal frame on the longitudinal movement device, be equipped with vertical braces and a plurality of balancing weight on the horizontal frame, set up on the vertical braces the girder, longitudinal movement device's length direction with girder length direction sets up perpendicularly, the girder extends to one side of longitudinal movement device is followed be equipped with the guide rail on the girder length direction, hoisting accessory sliding fit in on the guide rail.
Adopt a bridge girder erection machine suitable for piece together wide bridge piece and erect, utilize longitudinal movement device transportation beam piece is to the assigned position, horizontal frame with vertical support conduct the connection basis of girder, the balancing weight prevents that bridge girder erection machine from toppling, utilizes hoisting accessory with the beam piece of piecing together wide bridge is erect in the cooperation of girder, longitudinal movement device can carry the beam piece and remove along the emergent lane of former bridge, this bridge girder erection machine simple structure, convenient to use, respond well.
Preferably, a plurality of the main beams are arranged along the length direction of the longitudinal moving device at intervals, each main beam is provided with one lifting device, and the safety of lifting beam pieces is ensured through the lifting points of the plurality of lifting devices.
Further preferably, two main beams close to each other in distance are connected through a plurality of cross connections, and the cross connections increase the connection strength of the two main beams close to each other in distance.
Preferably, an inclined support is connected between the cantilever section of the main beam and the corresponding vertical support, and the bearing capacity and stability of the cantilever section of the main beam are improved through the inclined support.
Further preferably, the horizontal frame is welded to the vertical supports, the vertical supports are welded to the diagonal supports, and the vertical supports and the diagonal supports are respectively connected to the main beam through bolts.
Preferably, the two sides of the horizontal frame in the length direction are respectively connected with the vertical supports, and the counterweight blocks are arranged in the area between the vertical supports and the horizontal frame.
Preferably, the longitudinal moving device comprises a plurality of walking wheels arranged at intervals.
Preferably, the bridge girder erection machine suitable for splicing the wide bridge girder pieces further comprises a tractor, the tractor is detachably connected with the longitudinal moving device, and after the girder pieces are lifted by the lifting device, the tractor drives the longitudinal moving device to transport the girder pieces.
Preferably, this bridge erector suitable for piece together wide bridge piece erects still includes the counterweight car, at least one side in longitudinal movement device's the front and back both sides can dismantle and connect the counterweight car.
By adopting the structure, the dead weight of the bridge girder erection machine can be increased by connecting the counterweight cars, the stability of the lifting device for moving the girder erection beam along the main beam is ensured, and the bridge girder erection machine is prevented from overturning when the girder erection beam is moved.
Preferably, the beam pieces which are pre-installed in place are provided with embedded parts, after the longitudinal moving device is aligned with the beam pieces which are pre-installed in place, the longitudinal moving device is detachably connected with the embedded parts through steel wire ropes, and the embedded parts are arranged in the opposite directions of the cantilever sections of the main beams.
By adopting the structure, a certain anchoring force is provided by the embedded part and the steel wire rope, so that the stability of the bridge girder erection machine is improved, and the bridge girder erection machine is prevented from overturning when a beam is moved and erected.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the bridge girder erection machine suitable for erecting the split-width bridge girder pieces has the advantages that the longitudinal moving device is utilized to transport the girder pieces to a designated position, the horizontal frame and the vertical supports are used as connection bases of the main girder, the balancing weight prevents the bridge girder erection machine from overturning, the girder pieces of the split-width bridge are erected by utilizing the matching of the lifting device and the main girder, the longitudinal moving device can carry the girder pieces to move along an emergency lane of an original bridge, and the bridge girder erection machine is simple in structure, convenient to use and good in effect;
2. the utility model discloses a preferred bridge girder erection machine suitable for piece together wide bridge piece erects, the counterweight car can be dismantled to connect in at least one side in the front and back both sides of longitudinal movement device, can increase the dead weight of this bridge girder erection machine through the mode of connecting the counterweight car, ensures the hoisting accessory moves the stability of roof beam erection along the girder, prevents that bridge girder erection machine from toppling when moving the roof beam erection;
3. the utility model discloses preferred a bridge girder erection machine suitable for piece together wide bridge piece and erect is equipped with the built-in fitting on the beam piece that targets in place in advance, longitudinal movement device with the beam piece that targets in place in advance is counterpointed the back, longitudinal movement device passes through wire rope and can dismantle the connection the built-in fitting, the built-in fitting is located the opposite direction of girder cantilever section, through the built-in fitting with wire rope provides certain anchor power and increases this bridge girder erection machine's stability, prevents to move bridge girder erection machine when putting up the roof beam.
Drawings
FIG. 1 is a schematic front view of a bridge girder erection machine suitable for erecting a wide splicing bridge girder;
fig. 2 is a schematic top view of a bridge girder erection machine suitable for erecting a wide splicing bridge girder piece.
The labels in the figure are: 1-main beam, 2-vertical support, 3-longitudinal moving device, 4-counterweight block, 5-horizontal frame, 6-oblique support, 7-guide rail, 8-hoisting device, and 9-cross-linkage.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, a bridge girder erection machine suitable for splicing wide bridge piece erection, including tractor, girder 1, longitudinal movement device 3 and hoisting accessory 8.
The welding has horizontal frame 5 on vertical mobile device 3, vertical braces 2 have been welded respectively to 5 length direction's of horizontal frame both sides, vertical braces 2 with region between horizontal frame 5 sets up a plurality of balancing weights 4, vertical mobile device 3 includes the walking wheel that a plurality of intervals set up.
Set up on the vertical braces 2 girder 1, the length direction of longitudinal movement device 3 with girder 1 length direction sets up perpendicularly, girder 1 extends to one side of longitudinal movement device 3 forms the cantilever section, the cantilever section of girder 1 with correspond be connected with diagonal brace 6 between the vertical braces 2, through diagonal brace 6 promotes the bearing capacity and the stability of 1 cantilever section of girder, vertical brace 2 with 6 welded connection of diagonal brace, vertical brace 2 with diagonal brace 6 respectively with girder 1 passes through bolted connection.
The edge be equipped with guide rail 7 on the girder 1 length direction, hoisting accessory 8 sliding fit in on the guide rail 7, hoisting accessory 8 specifically can adopt electric block, follows longitudinal movement device 3's length direction interval is equipped with a plurality of girder 1, close two apart from connect through a plurality of cross-under 9 between the girder 1, cross-under 9 increases close two of distance the joint strength of girder 1, every girder 1 sets up one respectively hoisting accessory 8 guarantees the security of handling the beam piece through a plurality of hoisting accessory 8's hoisting point.
The tractor is detachably connected with the longitudinal moving device 3, and after the beam piece is lifted by the lifting device 8, the tractor drives the longitudinal moving device 3 to convey the beam piece.
When a precast beam piece of a first span is hoisted, the longitudinal moving device 3 is firstly transported to a designated position, a crane is used for installing the counterweight block 4 in the area between the vertical support 2 and the horizontal frame 5, after the counterweight block 4 is installed, the main beam 1 is connected with the vertical support 2 and the inclined support 6 by adopting high-strength bolts, after the installation, the longitudinal moving device 3 is connected with the tractor, and the tractor provides power for the longitudinal moving device 3.
The girder erection vehicle is completely installed, a girder transporting vehicle is adopted to feed girders, the girder transporting vehicle stops at a hoisting position, namely, a position below a cantilever section of the girder 1, the hoisting device 8 is adopted to connect girder pieces and hoist the girder pieces, and as shown in fig. 2, two hoisting points are respectively arranged at the ends of the girder pieces and respectively correspond to the four girders 1; vertically pulling the lifting device 8 to lift the hollow slab beam piece, checking equipment, starting a beam transporting vehicle after determining that the hollow slab beam piece is lifted, and moving the hollow slab beam piece out of the working range of the bridge girder erection machine; the hoisting device 8 is transversely pulled to drive the beam piece to move to a position close to the inclined support 6 along the guide rail 7, so that the stress of the main beam 1 is reduced, and the safety factor of the bridge girder erection machine in the longitudinal movement process is increased; starting the tractor, and slowly moving the longitudinal moving device 3 forwards to a beam falling position; fixing the longitudinal moving device 3, slowly pulling the lifting device 8 to a position above a beam piece installation position along the guide rail 7, pulling the lifting device 8 to slowly lower the beam piece, and pausing at a position 20cm away from the support; slowly and finely adjusting the position of the beam piece, after the position is determined, pulling the lifting device 8 again to slowly lower the beam piece, and installing the beam piece at the specified position; taking down the steel wire rope for hoisting the beam piece, welding the beam piece steel bar to fix the newly erected beam piece, and taking the newly erected beam piece as the hoisting operation position of the next beam; repeating the steps and continuously erecting the next beam.
This embodiment a bridge girder erection machine suitable for piece together wide bridge piece and erect, utilize 3 transport beam pieces of longitudinal movement device to assigned position, horizontal frame 5 with vertical braces 2 conduct girder 1's connection basis, balancing weight 4 prevents that bridge girder erection machine from toppling, utilizes hoisting accessory 8 with the beam piece that the wide bridge was pieced together is erect in the cooperation of girder 1, longitudinal movement device 3 can carry the beam piece and remove along the emergent lane of former bridge, this bridge girder erection machine simple structure, convenient to use, respond well.
Example 2
As shown in fig. 1 and 2, a bridge girder erection machine suitable for piece together wide bridge piece and erect, on embodiment 1's basis, still include the counterweight car, can dismantle in longitudinal movement device 3's the front and back both sides at least one side and connect the counterweight car.
The counterweight vehicle can be connected with the longitudinal moving device 3 through bolts, and a socket can be arranged on the longitudinal moving device 3, and a plug board is arranged on the counterweight vehicle for plug-in matching.
By adopting the structure, the dead weight of the bridge girder erection machine can be increased by connecting the counterweight cars, the stability of the lifting device 8 for moving the girder erection along the main girder 1 is ensured, and the bridge girder erection machine is prevented from overturning when the girder erection machine moves.
Example 3
As shown in fig. 1 and 2, a frame bridge crane suitable for piece together wide bridge piece and erect, on embodiment 1 or embodiment 2's basis, be equipped with the built-in fitting on the roof beam piece that targets in place of preinstallation, longitudinal movement device 3 with the back is counterpointed to the roof beam piece that targets in place of preinstallation, longitudinal movement device 3 can dismantle the connection through wire rope the built-in fitting, the built-in fitting is located the opposite direction of 1 cantilever section of girder.
By adopting the structure, a certain anchoring force is provided by the embedded part and the steel wire rope, so that the stability of the bridge girder erection machine is improved, and the bridge girder erection machine is prevented from overturning when a beam is moved and erected.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bridge girder erection machine suitable for piece together wide bridge piece and erect, a serial communication port, including girder (1), longitudinal movement device (3) and hoisting accessory (8), be equipped with horizontal frame (5) on longitudinal movement device (3), be equipped with vertical braces (2) and a plurality of balancing weight (4) on horizontal frame (5), set up on vertical braces (2) girder (1), the length direction of longitudinal movement device (3) with girder (1) length direction sets up perpendicularly, girder (1) extend to one side of longitudinal movement device (3), follow be equipped with guide rail (7) on girder (1) length direction, hoisting accessory (8) sliding fit in on guide rail (7).
2. The bridge girder erection machine suitable for splicing wide bridge girders into pieces according to claim 1, wherein a plurality of main girders (1) are arranged at intervals along the length direction of the longitudinal moving device (3), and each main girder (1) is provided with one lifting device (8).
3. The bridge girder erection machine suitable for erecting wide splicing bridge girders according to claim 2, wherein two main girders (1) with similar distances are connected through a plurality of cross ties (9).
4. The bridge girder erection machine suitable for splicing wide bridge girders into sheets according to claim 1, characterized in that an inclined support (6) is connected between the cantilever section of the main girder (1) and the corresponding vertical support (2).
5. The bridge girder erection machine suitable for wide-spliced bridge piece erection according to claim 4, wherein the horizontal frame (5) and the vertical supports (2) are welded, the vertical supports (2) and the diagonal supports (6) are welded, and the vertical supports (2) and the diagonal supports (6) are respectively connected with the main girder (1) through bolts.
6. The bridge girder erection machine suitable for splicing wide bridge girders into sheets according to claim 1, wherein the vertical supports (2) are respectively connected to two sides of the horizontal frame (5) in the length direction, and the counterweight (4) is arranged in the area between the vertical supports (2) and the horizontal frame (5).
7. A bridging machine suitable for wide bridge piece erection according to claim 1, wherein said longitudinal moving means (3) comprises a plurality of road wheels arranged at intervals.
8. A bridging machine suitable for wide bridge piece erection according to claim 1, further comprising a tractor detachably connected with said longitudinal moving device (3).
9. A bridge girder erection machine suitable for wide-width splicing bridge girder segments according to any one of claims 1 to 8, further comprising a counterweight vehicle, wherein at least one of the front and rear sides of the longitudinal moving device (3) is detachably connected with the counterweight vehicle.
10. The bridge girder erection machine suitable for erecting the wide splicing bridge girder segment according to any one of claims 1 to 8, wherein an embedded part is arranged on the girder segment which is pre-installed in place, after the longitudinal moving device (3) is aligned with the girder segment which is pre-installed in place, the longitudinal moving device (3) is detachably connected with the embedded part through a steel wire rope, and the embedded part is arranged in the opposite direction of the cantilever section of the girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222892660.8U CN218712242U (en) | 2022-10-31 | 2022-10-31 | Bridge girder erection machine suitable for erecting spliced wide bridge piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222892660.8U CN218712242U (en) | 2022-10-31 | 2022-10-31 | Bridge girder erection machine suitable for erecting spliced wide bridge piece |
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| Publication Number | Publication Date |
|---|---|
| CN218712242U true CN218712242U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222892660.8U Active CN218712242U (en) | 2022-10-31 | 2022-10-31 | Bridge girder erection machine suitable for erecting spliced wide bridge piece |
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| Country | Link |
|---|---|
| CN (1) | CN218712242U (en) |
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2022
- 2022-10-31 CN CN202222892660.8U patent/CN218712242U/en active Active
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