CN215482345U - Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame - Google Patents

Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame Download PDF

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Publication number
CN215482345U
CN215482345U CN202121098031.7U CN202121098031U CN215482345U CN 215482345 U CN215482345 U CN 215482345U CN 202121098031 U CN202121098031 U CN 202121098031U CN 215482345 U CN215482345 U CN 215482345U
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steel
leveling
box girder
magnetic code
channel
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CN202121098031.7U
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王勇
曹振生
张超
秦新利
向浩辉
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PowerChina Roadbridge Group Co Ltd
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PowerChina Roadbridge Group Co Ltd
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Abstract

The utility model discloses a magnetic code-free assembly frame for integrally assembling a longitudinal seam of a steel box girder, which comprises two bridge deck plates, wherein the top end edges of the two bridge deck plates are connected through a leveling steel plate, the top end of one leveling steel plate is symmetrically connected with a threaded lead screw through threads, the inner side of the threaded lead screw is slidably connected with a screwing lever, one end part of the screwing lever is fixedly connected with a channel steel, and lifting lugs are symmetrically and fixedly welded at the top end of the channel steel. Improve the product quality, and save the manpower and the material investment again.

Description

Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame
Technical Field
The utility model relates to the technical field of steel structure bridge engineering, in particular to a longitudinal seam magnetic code-free assembly frame for integrally assembling a steel box girder.
Background
At present, steel structure bridge construction is developed at a high speed, steel box girder assembly is an inevitable link in a steel box girder manufacturing process, the steel box girder assembly is that plate units (including a top plate, a bottom plate, a web plate, a partition plate and the like) are assembled and welded into an integral section, and in the assembly process, a bridge deck is generally welded into a whole by a plurality of single plate unit groups.
However, in the existing bridge general assembly process, the leveling of the longitudinal butt weld of the top plate is still performed by adopting a combination mode of two modes of a rigid code plate and a flexible code plate, the leveling is performed through the flexible code plate and the wedge block, the temporary fixing is performed through the welding mode of the rigid code plate and the top plate, the wedge block needs to be hammered in the leveling process to perform impact leveling, scratches are easily caused on the surface of the steel plate in the impact process, the rigid code plate is fixed through welding with the top plate, the code plate needs to be subjected to flame cutting and dismantled after the longitudinal seam welding of the steel plate is completed, the surface of the steel plate is easily damaged in the dismantling process, meanwhile, the grinding time and material consumption of the cutting part is reduced, the overall appearance quality is influenced, the code plate is generally a temporary consumable material, and the code plate is treated as a waste material after the whole bridge is completely arranged in most cases.
SUMMERY OF THE UTILITY MODEL
The utility model provides a magnetic code-assembly-free assembly frame for integrally assembling longitudinal seams of steel box girders, which can effectively solve the problems that in the prior bridge assembly process proposed in the background art, the leveling of longitudinal butt welding seams of a top plate is carried out by adopting a rigid code plate and flexible code plate combination mode, the leveling is carried out by a flexible code plate and a wedge block, the temporary fixation is carried out by welding a rigid code plate and the top plate, the wedge block needs to be hammered for impact leveling in the leveling process, the surface of a steel plate is easy to scratch in the impact process, the rigid code plate is fixed by welding with the top plate, the code plate flame cutting and dismantling are needed after the welding of the longitudinal seams of the steel plate is finished, the surface of the steel plate is easy to damage in the dismantling process, the time and material consumption for grinding the cutting part are simultaneously consumed, the integral appearance quality is influenced, the code plate is generally made of temporary consumable materials, and the bridge frame is arranged in the whole seat in most cases, the waste material is treated as waste material, and the problem of material waste is caused.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a whole longitudinal joint magnetism of assembling of steel box girder does not have code assembling frame, includes two decking, two decking top limit portion is connected through the leveling steel sheet, one leveling steel sheet top has the screw thread lead screw through screw thread symmetric connection, the lever is twisted to inboard sliding connection of screw thread lead screw, a portion fixedly connected with channel-section steel of twisting lever, the fixed welding in channel-section steel top symmetry has the lug, decking top limit portion equidistance is connected with the electro-magnet through ferromagnetism.
Preferably, channel-section steel and screw lead screw quantity are two, the electro-magnet top passes through the ferromagnetism with the channel-section steel and is connected, the electro-magnet input is connected with external power source's output electric connection.
Preferably, the middle of the bottom end of each leveling steel plate is provided with a groove, and the electromagnet is positioned between the two leveling steel plates.
Preferably, the bottom end edge of the channel steel is in contact with the top end edge of the leveling steel plate, and a through hole is formed in the threaded lead screw corresponding to the outer side of the screwing lever.
Preferably, the cross section of the screwing lever is quadrilateral, and the size of the longitudinal section of the electromagnet is half of that of the leveling steel plate.
Preferably, the number of the lifting lugs is four, and the top end of the electromagnet and the top end of the leveling steel plate are located at the same horizontal height.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:
1. fix with the decking through the electro-magnet in baffle position, the primary location is whole to be adjusted conveniently, need not adopt the welding form, use manpower sparingly, improve work efficiency, avoid follow-up sign indicating number board to demolish and the coping, improve product quality, practice thrift the input of manpower and material once more, and connect into rigidity wholly through positioner and fixing device, all adopt non-welding location with the roof, avoid follow-up flame cutting sign indicating number board to demolish and the coping, improve product quality, practice thrift the input of manpower and material once more.
2. Through screw lead screw leveling, avoid through flexible sign indicating number board and wedge piece leveling in-process, need hammer the wedge piece and strike the leveling to strike the in-process and cause the mar to the steel sheet surface easily, improve product appearance quality, adopt the principle of lead screw and lever, more convenient construction, labour saving and time saving.
3. In addition, after the welding of the welding seam is finished, the electromagnet is turned off, so that the connection between the equipment and the bridge deck can be removed instantly, and the production efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the channel steel of the present invention;
FIG. 3 is a schematic view of the mounting structure of the electromagnet of the present invention;
reference numbers in the figures: 1. a bridge deck; 2. leveling a steel plate; 3. a threaded lead screw; 4. screwing a lever; 5. channel steel; 6. lifting lugs; 7. an electromagnet.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the utility model provides a technical scheme of a longitudinal seam magnetic code-free assembly frame for integrally assembling a steel box girder, which comprises two bridge deck boards 1, wherein the top end parts of the two bridge deck boards 1 are connected through leveling steel plates 2, the middle parts of the bottom ends of the leveling steel plates 2 are provided with grooves, the top ends of one leveling steel plate 2 are symmetrically connected with threaded lead screws 3 through threads, the inner sides of the threaded lead screws 3 are slidably connected with screwing levers 4, through holes are formed in the threaded lead screws 3 corresponding to the outer side positions of the screwing levers 4, the cross sections of the screwing levers 4 are quadrilateral, and one end parts of the screwing levers 4 are fixedly connected with channel steel 5, so that a worker can fix the positions of the channel steel 5 conveniently, and the worker can detach the channel steel 5 conveniently at the later stage.
5 bottom limit portions of channel-section steel and the contact of 2 top limit portions of leveling steel sheet, 5 and 3 quantity of screw lead screw of channel-section steel are two, 5 top symmetrical fixed welding of channel-section steel has lug 6, 6 quantity of lug is four, 1 top limit portion equidistance of decking is connected with electro-magnet 7 through ferromagnetism, 7 vertical cross-sectional dimension of electro-magnet is 2 vertical cross-sectional dimension half of leveling steel sheet, 7 tops of electro-magnet are connected through ferromagnetism with channel-section steel 5, electro-magnet 7 is located position department between two leveling steel sheet 2, 7 tops of electro-magnet are in same level with 2 tops of leveling steel sheet, the output electric connection of 7 inputs of electro-magnet and external power source, the staff of being convenient for prescribes a limit to the position of channel-section steel 5, thereby avoid channel-section steel 5 to take place the phenomenon of skew in the installation.
The working principle and the using process of the utility model are as follows: in the actual use process, a worker firstly hoists the whole equipment to two sides of a welding seam position of a bridge deck slab 1 by using a lifting lug 6, the whole equipment is longitudinally positioned with an electromagnet 7 according to the position of a partition plate, the transverse position is positioned according to the center of a leveling steel plate 2, after the transverse and longitudinal positioning is finished, the electromagnet 7 is opened and fixed, then, the plate edge which is upwarped on a steel box girder is screwed from one end of a top plate of the steel box girder by using a threaded lead screw 3 and the leveling steel plate 2, the position of the threaded lead screw 3 can be fixed, a screwing lever 4 penetrates through a hole formed in the upper end of the threaded lead screw 3 and screws the threaded lead screw 3, the adjustment is stopped after the flatness of the butt joint edge at the same position reaches a standard required tolerance, the next leveling steel plate 2 is continuously adjusted, and then the position of the leveling steel plate 2 can be adjusted.
And then, sequentially adjusting all the leveling steel plates 2, welding the longitudinal seam after the flatness of the integral butt weld is adjusted, turning off the electromagnet 7 after the welding of the longitudinal seam of the steel box girder is completed, and hoisting the steel box girder total assembled roof plate longitudinal weld leveling magnet assembly-free device to the next section by using hoisting equipment for use.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (6)

1. The utility model provides a steel case roof beam is whole assembles no code assembling frame of longitudinal joint magnetism, includes two decking (1), its characterized in that: two decking (1) top limit portion passes through leveling steel sheet (2) to be connected, one leveling steel sheet (2) top has screw thread lead screw (3) through screw thread symmetric connection, screw thread lead screw (3) inboard sliding connection has to execute twists lever (4), execute and twist a lever (4) a tip fixedly connected with channel-section steel (5), channel-section steel (5) top symmetry fixed welding has lug (6), decking (1) top limit portion equidistance is connected with electro-magnet (7) through the ferromagnetism.
2. The magnetic code-free assembly frame for the integral assembling longitudinal seam of the steel box girder as claimed in claim 1, wherein the number of the channel steel (5) and the number of the threaded lead screws (3) are two, the top end of the electromagnet (7) is connected with the channel steel (5) through ferromagnetism, and the input end of the electromagnet (7) is electrically connected with the output end of an external power supply.
3. The magnetic code-free assembly frame for the integral assembling longitudinal joint of the steel box girder as recited in claim 1, wherein a groove is formed in the middle of the bottom end of each leveling steel plate (2), and the electromagnet (7) is located between the two leveling steel plates (2).
4. The magnetic code-free assembly frame for the integral assembly longitudinal seam of the steel box girder as claimed in claim 1, wherein the bottom edge of the channel steel (5) is in contact with the top edge of the leveling steel plate (2), and a through hole is formed in the threaded lead screw (3) corresponding to the outer side of the screwing lever (4).
5. The magnetic code-free assembly frame for the integral assembly longitudinal joint of the steel box girder as claimed in claim 1, wherein the cross section of the screwing lever (4) is quadrilateral, and the size of the longitudinal section of the electromagnet (7) is one half of that of the leveling steel plate (2).
6. The magnetic code-free assembly frame for the integral assembly longitudinal joint of the steel box girder as claimed in claim 1, wherein the number of the lifting lugs (6) is four, and the top end of the electromagnet (7) and the top end of the leveling steel plate (2) are at the same horizontal height.
CN202121098031.7U 2021-05-21 2021-05-21 Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame Active CN215482345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121098031.7U CN215482345U (en) 2021-05-21 2021-05-21 Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121098031.7U CN215482345U (en) 2021-05-21 2021-05-21 Steel box girder integral assembling longitudinal seam magnetic code-free assembling frame

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CN215482345U true CN215482345U (en) 2022-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115351476A (en) * 2022-07-26 2022-11-18 山东省公路桥梁建设集团有限公司 Automatic welding robot for splicing steel box girders and using method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115351476A (en) * 2022-07-26 2022-11-18 山东省公路桥梁建设集团有限公司 Automatic welding robot for splicing steel box girders and using method

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