CN219703901U - Special correcting unit of steel case roof beam welding deformation - Google Patents
Special correcting unit of steel case roof beam welding deformation Download PDFInfo
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- CN219703901U CN219703901U CN202321067975.7U CN202321067975U CN219703901U CN 219703901 U CN219703901 U CN 219703901U CN 202321067975 U CN202321067975 U CN 202321067975U CN 219703901 U CN219703901 U CN 219703901U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 238000012937 correction Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a special correction device for welding deformation of a steel box girder, which comprises a weight box, wherein one side of the weight box is provided with two limiting plates, each limiting plate is rotationally connected with an adjusting nut, the inner thread of the adjusting nut is connected with a lifting screw, and the bottom of the lifting screw is provided with a supporting roller; the other side of the weight box is provided with a mounting plate, the inner side of the mounting plate is rotationally connected with two main rollers and two correction rollers, the main rollers are positioned above the correction rollers, and the main rollers and the correction rollers are arranged in a dislocation manner; the outer side of the mounting plate is provided with a speed change gear box, the speed change gear box is provided with a variable frequency motor, the main roller is fixedly connected with a traveling gear, the traveling gear is in transmission connection with the speed change gear box, and the supporting roller, the main roller and the correction roller are arranged in parallel; the utility model is used for solving the problems that the welding shrinkage deformation of the steel box girder in the prior art cannot be corrected simply, rapidly, accurately and efficiently through equipment.
Description
Technical Field
The utility model relates to the technical field of steel box girder maintenance and correction equipment, in particular to a special correction device for welding deformation of a steel box girder.
Background
The steel box girder bridge is widely applied to municipal administration, high speed, river crossing and canyon crossing, has the advantages of short processing period, convenient installation, environmental protection, energy saving, material utilization rate improvement and the like, but the lifting capacity of a lifting appliance and the transportation capacity of a road need to be considered during manufacturing, so that the whole steel box girder needs to be manufactured in sections so as to be convenient for lifting and transportation. However, the interfaces between the segmented back beams and the beams are more, the shrinkage allowance control of the steel box beams and the stress deformation generated after welding exist, and particularly the deformation generated by the full penetration welding of the web plate, the top plate and the bottom plate of the steel box beams at the longitudinal splicing position directly influences the flatness of the bottom plate of the bridge surface and the field installation butt joint precision. The welding deformation at this position of steel case roof beam can not be like H shaped steel with the rectifier, can only adopt flame heating + hammering mode just can reach the correction effect, and the flame can influence steel structure iron phase, causes the destruction of steel structure internal force, and manual hammering operation receives experience and the influence of proficiency, hardly reaches the requirement and the precision of design moreover.
Disclosure of Invention
The utility model aims to provide a special correction device for welding deformation of a steel box girder, which is used for solving the problem that welding shrinkage deformation of the steel box girder in the prior art cannot be corrected simply, quickly, accurately and efficiently through equipment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the special correction device for welding deformation of the steel box girder comprises a weight box, wherein two limiting plates are arranged on one side of the weight box, an adjusting nut is rotationally connected to each limiting plate, a lifting screw is connected to the adjusting nut in a threaded manner, and a supporting roller is arranged at the bottom of the lifting screw; the other side of the weight box is provided with a mounting plate, the inner side of the mounting plate is rotationally connected with two main rollers and two correction rollers, the main rollers are positioned above the correction rollers, and the main rollers and the correction rollers are arranged in a dislocation manner; the gear box is installed in the outside of mounting panel, installs inverter motor on the gear box, fixedly connected with walking gear on the main gyro wheel, and walking gear is connected with gear box transmission, and backing roll, main gyro wheel and correction gyro wheel parallel arrangement.
Optionally, the bottom fixedly connected with deflector of mounting panel inboard rotates on the deflector and is connected with the location guide roller that the level set up.
Optionally, an adjusting hole is formed in the guide plate, an adjusting shaft is arranged in the adjusting hole, a limiting piece is fixedly connected to the middle of the adjusting shaft, a locking nut is arranged at the top of the adjusting shaft, the limiting piece and the locking nut are respectively clamped at the bottom and the top of the guide plate, and the positioning guide roller is rotatably connected to the bottom of the adjusting shaft.
Optionally, a lifting lug is fixedly connected to the top of the weight box.
Optionally, the weight box weighs three tons.
The special correction device for welding deformation of the steel box girder has the following advantages:
(1) The equipment is lifted to the top of the steel box girder, the main roller is positioned at the top of the intersection position of the top plate and the web plate, the supporting roller is pressed at the top of the top plate, the correction roller is pressed at the bottom of the edge of the top plate, the main roller is equivalent to the fulcrum of the lever, when the adjusting nut is adjusted to enable the weight box to descend, the correction roller can jack up the edge of the top plate upwards, the more the weight box is adjusted downwards, the greater the correction force of the correction roller is, and the quick and accurate correction operation can be realized through the reciprocating movement of the equipment.
(2) The positioning guide roller can limit the moving direction of the equipment and prevent the equipment from deviating; the horizontal position of the equipment can be adjusted according to the width of the edge of the top plate, so that the main roller can be positioned at the top of the intersection position of the top plate and the web plate, and the function of stable support is achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a schematic illustration of the connection of the adjustment shaft to the guide plate.
Fig. 4 is a schematic representation of the deformation of a steel box girder.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, wherein the directions in fig. 1 are used as references, and the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings, for convenience of description and simplification of the description, only, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
As shown in figures 1-4, the special correction device for welding deformation of the steel box girder comprises a weight box 1, wherein the weight box 1 is a solid steel block with the length of 80cm, the width of 80cm and the height of 60cm, the weight is about 3 tons, the correction effect of the weight box 1 with the weight is better in actual use, and the lifting lug 2 is arranged at the top of the weight box 1, so that the whole lifting of equipment is facilitated. The left side of the weight box 1 is provided with two limiting plates 3, an adjusting nut 4 is rotationally connected to each limiting plate 3, a lifting screw 5 is connected to the adjusting nut 4 in a threaded mode, a supporting roller 6 is mounted at the bottom of the lifting screw 5, and the supporting roller 6 rolls along the length direction of a steel box girder 19. The right side of the weight box 1 is provided with a mounting plate 7, the left side of the mounting plate 7 is rotationally connected with two main rollers 8 and two correction rollers 9, the main rollers 8 are positioned at the upper left side of the correction rollers 9, and the main rollers 8 and the correction rollers 9 are arranged in a staggered mode in the left-right direction. The gear box 10 is installed on the right side of mounting panel 7, installs inverter motor 11 on the gear box 10, fixedly connected with walking gear 12 on the main gyro wheel 8, and walking gear 12 is connected with the output transmission of gear box 10, and inverter motor 11 drives two main gyro wheels 8 synchronous rotation to drive whole device and remove. The supporting roller 6, the main roller 8 and the correcting roller 9 are arranged in parallel. The bottom of mounting panel 7 left side still fixedly connected with deflector 13, vertical regulation hole 14 of having seted up on the deflector 13 is provided with guiding axle 15 in the regulation hole 14, and the middle part fixedly connected with spacing piece 17 of guiding axle 15, the top of guiding axle 15 is provided with lock nut 18, and spacing piece 17 and lock nut 18 press from both sides respectively in the bottom and the top of deflector 13, and the rotation of guiding axle 15 bottom is connected with location guide roller 16. The position of the adjustment shaft 15 is fixed when the lock nut 18 is tightened, and the position of the adjustment shaft 15 is changed in the adjustment hole 14 when the lock nut 18 is loosened, thereby adjusting the position of the positioning guide roller 16.
The correction working principle of the utility model is as follows: the equipment is lifted to be put in place on the top plate 20 of the steel box girder 19, then the position of the positioning guide roller 16 is adjusted, the whole equipment is finely tuned leftwards or rightwards, the main roller 8 is positioned at the top of the intersection position of the top plate 20 and the web 21, so that the main roller 8 can play a stable supporting role, the equipment can be simplified into a lever, the main roller 8 is a fulcrum, the pressure of the weight box 1 to the supporting roller 6 is used as power, and the upward jacking force of the correction roller 9 to the edge of the top plate 20 is used as resistance. The lifting screw 5 is used for adjusting the downward pressure degree of the weight box 1, when the leveling force of the correction sheet steel is small, the adjusting nut 4 is adjusted to enable the weight box 1 to descend by a small height, small pressure is applied to the supporting roller 6, and the correction roller 9 applies proper jacking force to the edge of the top plate 20 of the steel box girder 19; when the leveling force of the correction steel plate thickness is large, the adjusting nut 4 is adjusted to enable the weight box 1 to descend by a large height, and large pressure is applied to the supporting roller 6, so that the correction roller 9 applies proper jacking force to the edge of the top plate 20 of the steel box girder 19. It should be noted that the correction is not required to be performed once and not required to be adjusted in place, and the variable frequency motor 11 is used to control the equipment to perform multiple reciprocating corrections, so as to meet the requirement of flatness of the top plate 20. The correction operation is simple and quick, the installation leveling precision is improved when the welding is carried out on site, convenience is brought to welding, the concentration of welding stress is reduced, and the welding seam penetration one-time qualification rate is improved.
The embodiments described above are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Claims (5)
1. A special correction device of steel case roof beam welding deformation, its characterized in that: the device comprises a weight box, wherein one side of the weight box is provided with two limiting plates, each limiting plate is rotationally connected with an adjusting nut, the adjusting nut is internally and in threaded connection with a lifting screw, and the bottom of the lifting screw is provided with a supporting roller; the other side of the weight box is provided with a mounting plate, the inner side of the mounting plate is rotationally connected with two main rollers and two correction rollers, the main rollers are positioned above the correction rollers, and the main rollers and the correction rollers are arranged in a dislocation manner; the gear box is installed in the outside of mounting panel, installs inverter motor on the gear box, fixedly connected with walking gear on the main gyro wheel, and walking gear is connected with gear box transmission, and backing roll, main gyro wheel and correction gyro wheel parallel arrangement.
2. The special correction device for welding deformation of steel box girders according to claim 1, characterized in that: the bottom of the inner side of the mounting plate is fixedly connected with a guide plate, and the guide plate is rotationally connected with a positioning guide roller which is horizontally arranged.
3. The special correction device for welding deformation of steel box girders according to claim 2, characterized in that: an adjusting hole is formed in the guide plate, an adjusting shaft is arranged in the adjusting hole, a limiting piece is fixedly connected to the middle of the adjusting shaft, a lock nut is arranged at the top of the adjusting shaft, the limiting piece and the lock nut are respectively clamped at the bottom and the top of the guide plate, and the positioning guide roller is rotatably connected to the bottom of the adjusting shaft.
4. The special correction device for welding deformation of steel box girders according to claim 1, characterized in that: the top of the weight box is fixedly connected with a lifting lug.
5. The special correction device for welding deformation of steel box girders according to claim 1, characterized in that: the weight of the weight box is three tons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067975.7U CN219703901U (en) | 2023-05-06 | 2023-05-06 | Special correcting unit of steel case roof beam welding deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067975.7U CN219703901U (en) | 2023-05-06 | 2023-05-06 | Special correcting unit of steel case roof beam welding deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219703901U true CN219703901U (en) | 2023-09-19 |
Family
ID=87978115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321067975.7U Active CN219703901U (en) | 2023-05-06 | 2023-05-06 | Special correcting unit of steel case roof beam welding deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219703901U (en) |
-
2023
- 2023-05-06 CN CN202321067975.7U patent/CN219703901U/en active Active
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