CN213086583U - General platform for on-site welding construction of steel box girder cantilever - Google Patents
General platform for on-site welding construction of steel box girder cantilever Download PDFInfo
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- CN213086583U CN213086583U CN202021387269.7U CN202021387269U CN213086583U CN 213086583 U CN213086583 U CN 213086583U CN 202021387269 U CN202021387269 U CN 202021387269U CN 213086583 U CN213086583 U CN 213086583U
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Abstract
The utility model provides a simple structure, safe and reliable and the convenient steel case roof beam cantilever spot welding construction universal platform of being under construction. The utility model provides a general platform of steel case roof beam cantilever field welding construction, includes running gear, standard festival, cantilever beam, upper and lower ladder cage and construction platform, wherein: the travelling mechanism can travel along the top plate of the steel box girder and comprises a frame body and travelling wheels arranged at the bottom of the frame body; the standard knot is arranged between the travelling mechanism and the cantilever beam, and a positioning supporting leg which is in contact with the cantilever of the steel box girder is arranged at the bottom of one end, close to the cantilever beam; the upper ladder cage and the lower ladder cage are arranged at one end of the cantilever beam, which is far away from the steel box beam, and comprise a connecting ladder cage and a standard ladder cage, the connecting ladder cage is connected with the cantilever beam, and the standard ladder cage is connected below the connecting ladder cage; the construction platform comprises a connecting platform and a standard platform, wherein the connecting platform is connected to one side, close to the steel box girder, of the upper ladder cage and the lower ladder cage, and the standard platform is connected to the side face of the connecting platform.
Description
Technical Field
The utility model relates to a steel case roof beam cantilever field welding construction universal platform belongs to steel case roof beam construction equipment technical field.
Background
The existing steel box girder cantilever field welding construction method has two types, one is to set up a scaffold for construction, the other is to rent hoisting equipment to construct on a bridge floor by utilizing a suspension cage of the hoisting equipment, the former method needs to occupy a large number of construction sites and has higher requirements on the ground, the latter needs to rent a large number of construction platform equipment, the construction cost is directly influenced, if a cantilever unit is welded on a box girder main body in a factory during processing, the trouble of cantilever field welding can be saved, but the ultra-wide and ultra-heavy processing components in the factory can be caused, and the transportation cost is directly increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned steel box girder cantilever welding problem that is provided with the cantilever, the utility model provides a simple structure, safe and reliable and the convenient steel box girder cantilever spot welding construction universal platform of being under construction.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a general platform of steel case roof beam cantilever field welding construction, includes running gear, standard festival, cantilever beam, upper and lower ladder cage and construction platform, wherein:
the travelling mechanism can travel along the top plate of the steel box girder and comprises a frame body and travelling wheels arranged at the bottom of the frame body;
the standard knot is arranged between the travelling mechanism and the cantilever beam, and a positioning supporting leg which is in contact with the cantilever of the steel box girder is arranged at the bottom of one end, close to the cantilever beam;
the upper ladder cage and the lower ladder cage are arranged at one end of the cantilever beam, which is far away from the steel box beam, and comprise a connecting ladder cage and a standard ladder cage, the connecting ladder cage is connected with the cantilever beam, and the standard ladder cage is connected below the connecting ladder cage;
the construction platform comprises a connecting platform and a standard platform, wherein the connecting platform is connected to one side, close to the steel box girder, of the upper ladder cage and the lower ladder cage, and the standard platform is connected to the side face of the connecting platform.
The optimized scheme of the general platform for the field welding construction of the steel box girder cantilever is that a frame body is formed by welding of steel and H steel, a balancing weight is further arranged on the frame body, and the balancing weight is made of cast iron and connected with a steel frame through bolts.
The optimal scheme of the steel box girder cantilever field welding construction general platform is that an upper ladder cage and a lower ladder cage comprise ladder cage frames, first pedal nets arranged at the bottom of the ladder cage frames and used for personnel and equipment storage platforms, oblique steel ladders arranged on the ladder cage frames and used for personnel upper and lower construction platforms, and first steel mesh nets arranged on the peripheries of the ladder cage frames and used for achieving safety protection effects on the whole upper and lower ladder cages.
The construction platform comprises a steel frame, a second steel mesh net arranged around the steel frame and a second pedal net arranged at the bottom of the steel frame, the steel frame is of an integral force bearing structure, and the steel frame and the H steel are welded into a whole.
According to the optimized scheme of the universal platform for the field welding construction of the steel box girder cantilever, the standard sections are in an I-shaped steel frame form and are connected through flanges.
According to the optimal scheme of the steel box girder cantilever on-site welding construction general platform, the adjusting supporting legs comprise an upper plate, a lower plate and an adjusting bolt and nut pair, the upper plate is arranged at the bottom of the standard section, the lower plate is arranged below the upper plate, and the upper plate and the lower plate are connected into a whole through the adjusting bolt and nut pair.
According to the optimal scheme of the universal platform for the field welding construction of the steel box girder cantilever, the walking mechanism, the standard section and the upper and lower ladder cages are connected through high-strength bolts.
The utility model has the advantages that: the cantilever welding device is applied to the field welding construction of the steel box girder cantilever provided with the cantilever beam, can adapt to the welding construction of the steel box girder cantilevers with different specifications, saves manpower and material resources for installing and dismantling a common bracket by utilizing a simple structural form, reduces the cost of an on-site crane, greatly improves the construction efficiency and reduces the construction cost. The universal platform has strong adaptability, can adapt to field welding of steel box girder cantilevers in different forms, can be used repeatedly, is feasible in technical performance, applicability and economical efficiency, and has good application and popularization values. The construction is not limited by the cross slope of the cantilever of the steel box girder, and the adjusting support legs arranged in the construction platform are adapted to different cross slopes at the top of the box girder.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of a cantilever welding platform of a steel box girder applied to an embodiment of the present invention;
fig. 2 is a side view of a traveling mechanism according to an embodiment of the present invention;
FIG. 3 is a side view of the elevator cage according to the embodiment of the present invention;
FIG. 4 is a side view of the construction platform according to the embodiment of the present invention;
wherein, 1-steel box girder; 2-travelling wheels; 3-a balancing weight; 4-a walking frame; 5-a flange; 6-standard section; 7-cantilever beam; 8-adjusting the support legs; 9-steel box girder cantilever; 10-connecting a ladder cage; 11-a standard ladder cage; 12-construction platform, 13-connection platform; 14-a first steel mesh net; 18-a second steel mesh net; 15-an inclined steel ladder; 16-a first tread web, 19-a second tread web; 17-construction of platform steel frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A general platform for field welding construction of steel box girder cantilevers comprises a traveling mechanism, a standard joint, a cantilever beam, an upper ladder cage and a lower ladder cage and a construction platform.
The travelling mechanism can travel along the top plate of the steel box girder 1 and comprises a frame body 4 and a travelling wheel 2 arranged at the bottom of the frame body 4; frame body 4 adopts the welding of frock steel and H steel to form, still is equipped with balancing weight 3 on the frame body 4, and balancing weight 3 adopts cast iron material and steel frame 4 to adopt bolted connection, and the counter weight calculates according to concrete operating mode and obtains.
The standard section 6 is arranged between the walking mechanism and the cantilever beam 7, the adjusting supporting leg 8 which is in contact with a steel box girder cantilever 9 is arranged at the bottom of one end, close to the cantilever beam 7, of the cantilever beam, the standard section 6 is in an I-shaped steel frame form, the standard section 6 is connected with the steel box girder cantilever through the flange 5, when the steel box girders with different structures are constructed, the length of the cantilever is different, the standard section is arranged to be used for adapting to different lengths of the cantilever, and the standard section is divided into two specifications of 50cm and 100 cm. The adjusting support leg 8 comprises an upper plate 81, a lower plate 83 and an adjusting bolt and nut pair 82, wherein the upper plate is arranged at the bottom of the standard knot 6, the lower plate is arranged below the upper plate, and the upper plate and the lower plate are connected into a whole through the adjusting bolt and nut pair.
The upper ladder cage and the lower ladder cage are arranged at one end, far away from the steel box girder 1, of the cantilever beam 7 and comprise a connecting ladder cage 10 and a standard ladder cage 11, the connecting ladder cage 10 is connected with the cantilever beam 7, and the standard ladder cage 11 is connected below the connecting ladder cage 10; going up and down the ladder cage includes ladder cage frame 20, set up the first step net 16 that is used for personnel and equipment storage platform in ladder cage frame 20 bottom and set up the oblique steel ladder 15 that is used for personnel to go up and down construction platform on ladder cage frame 20 and set up ladder cage frame 20 periphery and be used for playing the first steel mesh net 14 of safety protection effect to whole going up and down the ladder cage. In order to adapt to different cantilever sizes, the standard ladder cage 11 is divided into two types of 50cm and 100cm, different sections are selected according to the cantilever sizes to meet the requirements, and the whole structure is convenient to process, install and transport.
Construction platform, including connection platform 12 and standard platform 13, connection platform 12 connects the ladder cage one side that is close to the steel box girder from top to bottom, and standard platform 13 is connected in connection platform 12's side. The construction platform comprises a steel frame 17, a second steel mesh net 18 arranged around the steel frame 17 and a second pedal net 19 arranged at the bottom of the steel frame 17, wherein the steel frame is of an integral force bearing structure and is welded into a whole by adopting I-steel and H-steel. In order to adapt to different cantilever sizes, the standard platform 13 is divided into two models of 50cm and 100 cm.
Realize the walking through walking wheel 2 and steel box girder roof plate contact, utilize and adjust landing leg and steel box girder cantilever top tight, running gear, the standard festival, the ladder cage adopts high-strength bolted connection from top to bottom, it is all very convenient to install and dismantle, wherein the standard festival 6, standard ladder cage 11, standard platform 13 is adjusted in good time according to steel box girder cantilever length, be suitable for different cantilever length, it can adapt to different cross slope steel box girder cantilever construction to adjust landing leg 8, and play the effect of safe stay, walking wheel 2 can adopt from taking locking mechanism, can lock whole construction platform when steel box girder cantilever welds, make whole platform be in safe and stable state. The structure is divided into three parts during fabrication in a field, and is convenient to install and detach and transport on the field.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The steel box girder cantilever on-site welding construction universal platform is characterized by comprising a walking mechanism, a standard knot, a cantilever girder, an upper ladder cage, a lower ladder cage and a construction platform, wherein the walking mechanism, the standard knot, the cantilever girder, the upper ladder cage and the lower ladder cage are arranged on the construction platform
The walking mechanism can walk along the top plate of the steel box girder (1) and comprises a frame body (4) and a walking wheel (2) arranged at the bottom of the frame body (4);
the standard knot (6) is arranged between the walking mechanism and the cantilever beam (7), and an adjusting supporting leg (8) which is contacted with the steel box girder cantilever (9) is arranged at the bottom of one end, close to the cantilever beam (7);
the upper ladder cage and the lower ladder cage are arranged at one end, far away from the steel box girder (1), of the cantilever beam (7) and comprise a connecting ladder cage (10) and a standard ladder cage (11), the connecting ladder cage (10) is connected with the cantilever beam (7), and the standard ladder cage (11) is connected below the connecting ladder cage (10);
construction platform, including connection platform (12) and standard platform (13), connection platform (12) are connected and are being close to one side of steel box girder about the ladder cage, and the side at connection platform (12) is connected in standard platform (13).
2. The steel box girder cantilever field welding construction universal platform of claim 1, characterized in that: the frame body (4) is formed by welding I steel and H steel, the frame body (4) is further provided with a balancing weight (3), and the balancing weight (3) is made of cast iron and connected with the frame body (4) through bolts.
3. The steel box girder cantilever field welding construction universal platform of claim 1, characterized in that: go up and down the ladder cage and include ladder cage frame (20), set up the first step net (16) that is used for personnel and equipment storage platform in ladder cage frame (20) bottom and set up oblique steel ladder (15) that are used for personnel to construct the platform from top to bottom on ladder cage frame (20) and set up first steel mesh net (14) that ladder cage frame (20) periphery is used for playing the safety protection effect to whole upper and lower ladder cage.
4. The steel box girder cantilever field welding construction universal platform of claim 1, characterized in that: the construction platform comprises a steel frame (17), a second steel mesh net (18) arranged around the steel frame (17) and a second pedal net (19) arranged at the bottom of the steel frame (17), wherein the steel frame is of an integral force bearing structure and is welded into a whole by adopting I-steel and H-steel.
5. The steel box girder cantilever field welding construction universal platform of claim 1, characterized in that: the standard knots (6) are in an I-shaped steel frame form, and the standard knots (6) are connected through flanges (5).
6. The steel box girder cantilever field welding construction universal platform of claim 1, characterized in that: the adjusting supporting legs (8) comprise an upper plate, a lower plate and an adjusting bolt and nut pair, the upper plate is arranged at the bottom of the standard section (6), the lower plate is arranged below the upper plate, and the upper plate and the lower plate are connected into a whole through the adjusting bolt and nut pair.
7. The steel box girder cantilever field welding construction universal platform of any one of claims 1 to 6, characterized in that: the walking mechanism, the standard knot and the upper and lower ladder cages are connected by high-strength bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387269.7U CN213086583U (en) | 2020-07-15 | 2020-07-15 | General platform for on-site welding construction of steel box girder cantilever |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387269.7U CN213086583U (en) | 2020-07-15 | 2020-07-15 | General platform for on-site welding construction of steel box girder cantilever |
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| CN213086583U true CN213086583U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021387269.7U Active CN213086583U (en) | 2020-07-15 | 2020-07-15 | General platform for on-site welding construction of steel box girder cantilever |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931073A (en) * | 2021-11-02 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Asymmetric ultra-wide cable-stayed bridge steel box girder large cantilever flange construction method |
-
2020
- 2020-07-15 CN CN202021387269.7U patent/CN213086583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931073A (en) * | 2021-11-02 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Asymmetric ultra-wide cable-stayed bridge steel box girder large cantilever flange construction method |
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