CN219793657U - Large-tonnage segmental assembling bridge girder erection machine end hanger - Google Patents
Large-tonnage segmental assembling bridge girder erection machine end hanger Download PDFInfo
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- CN219793657U CN219793657U CN202320939173.4U CN202320939173U CN219793657U CN 219793657 U CN219793657 U CN 219793657U CN 202320939173 U CN202320939173 U CN 202320939173U CN 219793657 U CN219793657 U CN 219793657U
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- hanger
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- bridge girder
- erection machine
- girder erection
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000004080 punching Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a large-tonnage segmental assembling bridge girder erection machine end hanger which comprises a main beam and a lifting beam, wherein a transverse moving beam is connected onto the main beam in a sliding way, a transverse moving mechanism is arranged above the main beam and drives the transverse moving beam to transversely move on the main beam, a secondary lifting device is arranged between the lifting beam and the main beam and is connected with the secondary lifting device through a connecting rod, and a lifting mechanism is arranged between the secondary lifting device and the lifting beam and drives the lifting beam to longitudinally move.
Description
Technical Field
The utility model relates to the technical field of bridge girder erection machines, in particular to a large-tonnage segmental assembling bridge girder erection machine end hanger.
Background
Along with the development of urban rail transit, the urban rail transit is required to meet road construction in a limited space, and the urban rail transit has special height limiting working conditions, such as high-voltage lines and other facilities in cities, and the urban construction is required to meet the height limiting requirements, so that construction equipment can smoothly pass through the boundary, and the bridge crane can adapt to the special limit working conditions.
If the bridge girder erection machine is required to adapt to the special working condition of height limitation, the end hanging of the bridge girder erection machine needs to meet the height limitation requirement, so that the end hanging meeting the height limitation requirement is required.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a large-tonnage segmental assembling bridge girder erection machine end hanger.
The technical scheme adopted for achieving the purpose is as follows:
the utility model provides a bridge crane end is hung in large-tonnage festival section assembly, includes main beam and hoist crossbeam, its characterized in that, sliding connection has the sideslip roof beam on the main beam, the main beam top is equipped with sideslip mechanism, and sideslip mechanism drives sideslip roof beam lateral shifting on the main beam, be equipped with the second grade hoist between hoist crossbeam and the main beam, link to each other through the connecting rod between second grade hoist and the sideslip roof beam, be equipped with elevating system between second grade hoist and the hoist crossbeam, elevating system drives the hoist crossbeam and carries out longitudinal movement.
Further, the sideslip mechanism includes first hydraulic cylinder and sideslip groove, the sideslip groove is seted up in the both ends of main beam, the connecting rod passes from the sideslip groove, one side on the main beam is located to first hydraulic cylinder is fixed, and the output of first hydraulic cylinder links to each other with the one end of sideslip beam.
Further, the connecting rods are provided with four in total and are respectively arranged at four corners of the transverse moving beam, and the transverse moving grooves are provided with four in total and are matched with the positions of the connecting rods for setting.
Further, the second-level lifting appliance comprises a middle cross beam, wherein the middle cross beam is provided with two connecting rods which are arranged at one end of the transverse moving beam and are respectively arranged below two ends of the main cross beam, and each middle cross beam is fixed through the two connecting rods which are arranged at the other end of the transverse moving beam.
Further, the middle cross beam is of a single box beam structure.
Further, the lifting mechanisms are provided with four groups in total, and two groups of lifting mechanisms are oppositely arranged in each middle cross beam;
each group of lifting mechanism comprises a hydraulic punching jack and a first suspender, each middle beam is internally provided with a mounting groove matched with the hydraulic punching jack, the hydraulic punching jack is fixedly arranged in the mounting groove, the first suspender is arranged in the hydraulic punching jack, and one end of the first suspender is fixed on the suspender beam.
Further, the connecting rod and the first suspender are finish rolling deformed bar suspenders.
Further, a hoisting mechanism is arranged below the lifting appliance cross beam;
the lifting mechanism comprises four second suspenders, the four second suspenders are arranged on the lifting appliance cross beam in parallel, and the other ends of the second suspenders are fixedly connected with the whole hole beam.
Furthermore, the two groups of hoisting mechanisms are arranged in total, and the two groups of hoisting mechanisms are oppositely arranged on the hanger beam.
Further, the second suspender is made of 40CrNiMo.
The utility model has the beneficial effects that:
1. according to the utility model, the lifting mechanism is arranged in the secondary lifting appliance and connected with the lifting appliance cross beam, and the lifting mechanism is controlled to drive the lifting appliance cross beam to longitudinally move, so that the utility model can be suitable for special working conditions such as urban rail transit height limiting, for example, the height limiting working conditions of facilities such as high-voltage lines in cities.
2. By arranging the transverse moving mechanism in the device, the transverse moving beam can be driven to move along the main beam, so that the lower lifting appliance beam is driven to move transversely, and the transverse moving amount of the end hanger is increased, so that the whole Kong Liangla Liang Duiwei can be adjusted conveniently.
3. The power system in the device adopts hydraulic control, the bridge girder erection machine has the advantages of more construction part spans, frequent side span construction, larger self weight of the winch, less flexible side span construction than the end hanging hydraulic form of the utility model, only fine adjustment is needed for operations such as alignment of the whole hole drop beam, and the like, the self weight of the hydraulic cylinder is lighter, the counter force transferred to the supporting leg is small, and the influence of construction load on the concrete beam and the bridge pier is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present utility model;
FIG. 2 is a cross-sectional view of the apparatus of the present utility model at A-A in FIG. 1;
FIG. 3 is a cross-sectional view of the apparatus of the present utility model at B-B in FIG. 1;
FIG. 4 is a schematic view of a transverse beam structure of the device of the present utility model;
FIG. 5 is a schematic view of the main beam structure of the device of the present utility model;
FIG. 6 is a schematic view of the middle cross beam structure of the device of the present utility model;
fig. 7 is a schematic structural view of a spreader beam of the apparatus of the present utility model.
The lifting device comprises a main beam 1, a transverse beam 2, a middle beam 3, a lifting beam 4, a transverse mechanism 5, a hydraulic cylinder 501, a transverse groove 502, a lifting mechanism 6, a hydraulic through jack 601, a mounting groove 602, a first suspender 603, a lifting mechanism 7, a second suspender 701, a connecting rod 8 and a whole hole beam 9.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-7, this embodiment discloses a bridge crane end is assembled to large-tonnage festival section, including main beam 1, sliding connection has sideslip roof beam 2 on the main beam 1, link to each other through sideslip mechanism 5 between main beam 1 and the sideslip roof beam 2, sideslip mechanism 5 drives sideslip roof beam 2 and carries out horizontal removal along main beam 1 upper surface, link to each other through connecting rod 8 is fixed between sideslip roof beam 2 and the middle part crossbeam 3, and connecting rod 8 is equipped with four altogether, divide to locate sideslip roof beam 2 all around, middle part crossbeam 3 is equipped with two altogether, and locate the both sides of sideslip roof beam 2 below respectively, elevating system 6 locates in the middle part crossbeam 3, and link to each other between elevating system 6 and the hoist crossbeam, elevating system 6 can drive hoist crossbeam 4 and carry out the lifting movement in the vertical direction, the hoist crossbeam 4 is last to be fixed to be equipped with hoist mechanism 7, hoist crossbeam 4 carries out fixed the hanging of whole hole roof beam 9 through hoist mechanism 7, in this embodiment, connecting rod 8 is finish rolling bar jib.
As shown in fig. 1-5, the traversing mechanism 5 includes a first hydraulic cylinder 501 and a traversing groove 502, a hydraulic cylinder mounting bracket is disposed in the middle of one side of the main beam 1, one side of the first hydraulic cylinder 501 is mounted on the hydraulic cylinder mounting bracket, an output end of the first hydraulic cylinder 501 is connected with the middle of one end of the traversing beam 2, meanwhile, the first hydraulic cylinder 501 is horizontally disposed transversely, the first hydraulic cylinder 501 is controlled to drive the traversing beam 2 to transversely move on the main beam 1, the traversing groove 502 is opened on the main beam 1, and four connecting rods 8 respectively pass through the corresponding traversing grooves 502, so that the first hydraulic cylinder 501 can drive the middle beam to move while driving the traversing beam 2 to move, and then drive the spreader beam 4 to move.
As shown in fig. 1-6, the lifting mechanism 6 includes a hydraulic through jack 601 and a first boom 603, four groups of lifting mechanisms 6 are provided in total, two groups of lifting mechanisms 6 are provided in each middle beam 3, two mounting grooves 602 are provided in each middle beam 3, the two mounting grooves 602 are used for mounting the hydraulic through jack 601, the hydraulic through jack 601 is vertically and vertically arranged in the mounting grooves 602, one end of the first boom 603 is fixedly connected with one corner of the lifting beam 4, namely, the four first booms 603 are respectively and fixedly connected to four corners of the lifting beam 4, the first boom 603 is arranged in the hydraulic through jack 601, the hydraulic through jack 601 drives the first boom 603 to move up and down, so as to drive the lifting beam 4 to move longitudinally, and further drive the whole hole beam 9 to move up and down, so that in the transportation process, through holes are provided at positions of the main beam 1 and the transverse beam 2 at the positions of the first boom 603, the first boom 603 can sequentially pass through the main beam 1 and the transverse beam 2 after moving up to a certain height, and in this embodiment is a finish rolling screw thread of the first boom 603.
As shown in fig. 1-3, two groups of hoisting mechanisms 7 are provided, and are relatively fixed on the spreader beam 4, each group of hoisting mechanisms 7 includes four second suspenders 701, the four second suspenders 701 are parallel arranged on the spreader beam 4, and the other ends of the four second suspenders 701 are fixedly connected with the whole hole beam 9, in this embodiment, the second suspenders 701 are made of 40CrNiMo.
As shown in fig. 4-5, the transverse beam 2 is a double-box Liang Juxing structure, wherein the two ends and the middle part of the transverse beam 2 are also double-box Liang Juxing structures and are connected into a whole, the transverse beam 2 can slide above the main beam 1, so that the transverse beam is driven to move transversely under the main beam 1, the main beam 1 is also a double-box Liang Juxing structure, and the main beam 1 is mainly used for bearing the beam weight, so that the whole hole beam 9 is lowered.
As shown in fig. 6-7, the middle beam 3 is of a single box beam structure, serves as an intermediate medium between the upper beam and the lower beam, is a secondary lifting appliance in the device, and the arrangement of the middle beam 3 can effectively solve the problem of special working conditions of urban rail transit height limitation, the lifting appliance beam 4 is of a single box beam structure, and the lifting appliance beam 4 is used for lifting the whole hole beam 9.
When the end suspension is matched with a bridge girder erection machine for use, a single device is provided with two end suspensions, the end suspension mainly completes the falling of the whole hole girder 9, the bridge girder erection machine supports a cantilever by virtue of supporting legs, a crown block sequentially lifts girder segment blocks and is suspended below the end suspension, after one hole girder suspension is completed, the crown block is matched with the suspension for alignment, glue splicing and tensioning of girder segments, one hole Liang Xingcheng is integrated, the whole hole girder is lifted by the end suspension, the middle suspension is unloaded and is emptied, and then the whole Kong Liangla is put into a temporary support for positioning by the end suspension.
When the hole alignment of the whole hole beam 9 is carried out, the first hydraulic cylinder 501 is controlled to drive the transverse beam 2 to transversely move on the main beam 1, the transverse moving groove 502 is formed in the main beam 1, and the four connecting rods 8 respectively penetrate through the corresponding transverse moving grooves 502, so that the first hydraulic cylinder 501 can drive the middle beam 3 to move while driving the transverse moving beam 2 to move, and then the lifting tool beam 4 is driven to move.
When the end is hung and used for limiting the height, the hydraulic through jack 601 is controlled to drive the first suspender 603 to longitudinally move, so that the suspender beam 4 is driven to longitudinally move, the whole hole beam 9 is lifted, and the end is further suitable for special working conditions such as limiting the height in urban rail transit.
In the description of the present utility model, it should be understood that the terms "center," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a bridge crane end is hung in large-tonnage festival section assembly, includes main beam and hoist crossbeam, its characterized in that, sliding connection has the sideslip roof beam on the main beam, the main beam top is equipped with sideslip mechanism, and sideslip mechanism drives sideslip roof beam lateral shifting on the main beam, be equipped with the second grade hoist between hoist crossbeam and the main beam, link to each other through the connecting rod between second grade hoist and the sideslip roof beam, be equipped with elevating system between second grade hoist and the hoist crossbeam, elevating system drives the hoist crossbeam and carries out longitudinal movement.
2. The end hanger of the large-tonnage segmental assembling bridge girder erection machine according to claim 1, wherein the traversing mechanism comprises a hydraulic cylinder and traversing grooves, the traversing grooves are formed in two ends of a main beam, the connecting rods penetrate through the traversing grooves, the hydraulic cylinder is fixedly arranged on one side of the main beam, and the output end of the hydraulic cylinder is connected with one end of the traversing beam.
3. The end hanger for the large-tonnage segmental assembling bridge girder erection machine according to claim 2, wherein the connecting rods are provided with four in total and are respectively arranged at four corners of the transverse beam, and the transverse grooves are provided with four in total and are arranged in cooperation with the positions of the connecting rods.
4. A large tonnage segmental assembling bridge girder erection machine end hanger according to claim 3, wherein the secondary sling comprises a middle cross beam, the middle cross beam is provided with two parts and is arranged below two ends of the main cross beam, and each middle cross beam is fixed through two connecting rods arranged at one end of the transverse cross beam.
5. The end hanger for a large tonnage segmental assembling bridge girder erection machine according to claim 4, wherein the middle cross beam is of a single box girder structure.
6. The end hanger of a large tonnage segmental assembling bridge girder erection machine according to claim 4, wherein four groups of lifting mechanisms are provided, and two groups of lifting mechanisms are oppositely arranged in each middle cross beam;
each group of lifting mechanism comprises a hydraulic punching jack and a first suspender, each middle beam is internally provided with a mounting groove matched with the hydraulic punching jack, the hydraulic punching jack is fixedly arranged in the mounting groove, the first suspender is arranged in the hydraulic punching jack, and one end of the first suspender is fixed on the suspender beam.
7. The end hanger of a large tonnage segmental assembling bridge girder erection machine of claim 6, wherein the connecting rod and the first hanger rod are finish-rolled deformed bar hanger rods.
8. The end hanger of the large-tonnage segmental assembling bridge girder erection machine according to claim 1, wherein a hoisting mechanism is arranged below the hanger beam;
the lifting mechanism comprises four second suspenders, the four second suspenders are arranged on the lifting appliance cross beam in parallel, and the other ends of the second suspenders are fixedly connected with the whole hole beam.
9. The end hanger for a large tonnage segmental assembling bridge girder erection machine according to claim 8, wherein two groups of hoisting mechanisms are provided, and the two groups of hoisting mechanisms are oppositely arranged on a hanger beam.
10. The end hanger of a large tonnage segment make-up bridge girder erection machine of claim 9, wherein the second hanger rod is 40CrNiMo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939173.4U CN219793657U (en) | 2023-04-24 | 2023-04-24 | Large-tonnage segmental assembling bridge girder erection machine end hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939173.4U CN219793657U (en) | 2023-04-24 | 2023-04-24 | Large-tonnage segmental assembling bridge girder erection machine end hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793657U true CN219793657U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939173.4U Active CN219793657U (en) | 2023-04-24 | 2023-04-24 | Large-tonnage segmental assembling bridge girder erection machine end hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793657U (en) |
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2023
- 2023-04-24 CN CN202320939173.4U patent/CN219793657U/en active Active
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