CN209867825U - Supporting device convenient for large-diameter steel pipe to rotate - Google Patents
Supporting device convenient for large-diameter steel pipe to rotate Download PDFInfo
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- CN209867825U CN209867825U CN201920566866.7U CN201920566866U CN209867825U CN 209867825 U CN209867825 U CN 209867825U CN 201920566866 U CN201920566866 U CN 201920566866U CN 209867825 U CN209867825 U CN 209867825U
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Abstract
The utility model provides a strutting arrangement convenient to major diameter steel pipe rotates, characterized by: the first large-diameter steel pipe is located on a first roller and a second roller in a first supporting device and a second supporting device, a third supporting device and a fourth supporting device; the first roller shaft and the second roller shaft are sleeved with bearings and are respectively arranged in the central holes of the first roller and the second roller; two ends of the first roller shaft and the second roller shaft are respectively arranged in grooves at the upper ends of the first U-shaped support and the second U-shaped support, and the lower end of the first U-shaped support and the lower end of the second U-shaped support are respectively welded on the upper planes at two ends of the steel plate; the upper ends of the first I-shaped steel, the second I-shaped steel and the third I-shaped steel are welded with the bottom surface of the steel plate at equal intervals respectively to form a first supporting device. The welding concentricity of the butt-jointed large-diameter steel pipes is high, and the quality is good; can use repeatedly, reduce lifting device's input, practice thrift the engineering time for the construction progress.
Description
Technical Field
The utility model relates to a steel pipe welding strutting arrangement, specifically speaking relate to a major diameter steel pipe rotates welding strutting arrangement.
Background
At present, large-diameter steel pipes are used as a load-bearing foundation structure in a large number of steel trestles and cast-in-place beam support construction technologies. Welding two steel pipes together is a problem often encountered in construction. The steel pipes for large-scale engineering are large in diameter and long in length, and sometimes the steel pipes need to be connected into a length of hundreds of meters in construction, so that the joints of the ends of each pair of steel pipes are required to be aligned as much as possible before welding, the center lines of the welded steel pipes are kept as consistent as possible, and the error is within an allowable range; and (3) spot welding a plurality of points on the excircle of the butt joint steel pipe joint for fixing, and then completely welding the joint. However, due to the characteristic of heavy weight, the large-diameter steel pipe is difficult to turn over when welded and connected on a construction site. The method that a crane is dragged is commonly used in a construction site to overturn the large-diameter steel pipe, so that additional hoisting equipment is required, the construction cost is increased, the construction site is crowded, and the construction speed is reduced. For this reason, it is necessary to design a steel pipe rotation welding auxiliary supporting device.
Disclosure of Invention
The utility model aims to provide a supporting device convenient for the rotation of a large-diameter steel pipe aiming at the defects of the turning welding of the existing large-diameter steel pipe, and the supporting device can ensure that the concentricity between the welded steel pipe and the steel pipe is kept; can remove and use repeatedly, can rely on the quick portable rotation major diameter steel pipe of manpower simultaneously, not only save construction site and lifting device, still make things convenient for field operation, improve the construction progress again, guaranteed safety in production.
The technical scheme adopted by the utility model for solving the technical problems is that the supporting device convenient for the rotation of the large-diameter steel pipe comprises the large-diameter steel pipe, I-shaped steel, a supporting steel plate, a U-shaped support, a roller and a roller shaft.
The supporting device convenient for the rotation of the large-diameter steel pipe is characterized in that a first large-diameter steel pipe is located on a first roller and a second roller of a first supporting device and a second supporting device; the second large-diameter steel pipe is located on a third roller and a fourth roller in the third supporting device and the fourth supporting device; the first roller shaft, the second roller shaft, the third roller shaft and the fourth roller shaft are respectively arranged in the central holes of the first roller and the second roller, and the third roller shaft and the fourth roller; two ends of a first roller shaft are respectively arranged in a groove at the upper end of a first U-shaped support, two ends of a second roller shaft are respectively arranged in a groove at the upper end of a second U-shaped support, and a third roller shaft is arranged in a groove at the upper end of a third U-shaped support; the lower end of the first U-shaped support and the lower end of the second U-shaped support are respectively welded on the upper planes of the two ends of the steel plate; the first I-shaped steel, the second I-shaped steel and the third I-shaped steel are welded with the bottom surface of the steel plate at equal intervals to form a first supporting device.
The supporting device is characterized in that: the second supporting device, the third supporting device and the fourth supporting device are the same as the first supporting device in structure.
The roller wheel is characterized in that: the roller wheels arranged in the second supporting device, the third supporting device and the fourth supporting device have the same structure as the first roller wheel and the second roller wheel arranged in the first supporting device.
The lengths of the first I-shaped steel, the second I-shaped steel and the third I-shaped steel welded at the lower end of the supporting steel plate are 80-85 cm (specification and model number is I25 a #).
The utility model has the advantages that: the first large-diameter steel pipe is located on the rollers in the supporting device and the second supporting device, and the second large-diameter steel pipe is located on the rollers in the third supporting device and the fourth supporting device; welding the pipe orifices of the first large-diameter steel pipe and the second large-diameter steel pipe together; the device has high concentricity and good quality for the large-diameter steel pipes welded together; can use repeatedly, reduce lifting device's input, practice thrift engineering time and construction site for the construction progress has guaranteed the engineering quality.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged left side view of fig. 1.
In the figure, 1 is a large-diameter steel pipe, 2 is a first roller, 2' is a second roller, 3 is a first U-shaped support, 3' is a second U-shaped support, 4 is a first roller shaft, 4' is a second roller shaft, 5 is a supporting steel plate, 6a is a first I-shaped steel, 6b is a second I-shaped steel, and 6c is a third I-shaped steel.
Detailed Description
In the embodiment of the present invention shown in fig. 1 and 2, a supporting device for facilitating the rotation of a large-diameter steel pipe,
the first large diameter steel pipe 1 is seated on the first and second rollers 2 and 2 'of the first and second supporting devices a and B, and the second large diameter steel pipe 1' is seated on the third and fourth rollers of the third and fourth supporting devices.
A first roller shaft 4 and a second roller shaft 4 'which are sleeved with bearings are respectively arranged in the central holes of the first roller 2 and the second roller 2'; two ends of a first roller shaft 4 are respectively arranged in a groove at the upper end of the first U-shaped support 3, and two ends of a second roller shaft 4 'are respectively arranged in a groove at the upper end of the second U-shaped support 3'; the lower ends of the first U-shaped support 3 and the second U-shaped support 3' are respectively welded on the upper planes of two ends of the steel plate 4; the upper ends of the first I-shaped steel 5a, the second I-shaped steel 5b and the third I-shaped steel 5c are welded with the bottom surface of the steel plate 4 at equal intervals respectively to form a first supporting device A.
The supporting device is characterized in that: the second support means B, the third support means M and the fourth support means N are structurally identical to the first support means a.
The roller wheel is characterized in that: the third roller and the fourth roller installed in the second supporting device B, the third supporting device M and the fourth supporting device N have the same structure as the first roller 2 and the second roller 2' installed in the first supporting device A.
The lengths of the first I-shaped steel 5a, the second I-shaped steel 5b and the third I-shaped steel welded at the lower end of the supporting steel plate are 80-85 cm (specification and model number is I25 a #).
Principle of welding
During welding, the first supporting device A, the second supporting device B, the third supporting device M and the fourth supporting device N are located on a base of the horizontal bottom surface of the same straight line; respectively installing a first large-diameter steel pipe 1 and a second large-diameter steel pipe 1' on a first supporting device A and a second supporting device B; the second large-diameter steel pipe 1' is respectively arranged on the third supporting device M and the fourth supporting device N; the pipe orifices of the first large-diameter steel pipe and the second large-diameter steel pipe are opposite to each other, and the centers of the first large-diameter steel pipe and the second large-diameter steel pipe are positioned on the same axis; and spot welding the upper part and the lower part and the front part and the back part of the butted pipe orifices to fix the two pipe orifices, and then welding and rotating the butted pipe orifices until the welding is finished. When a third large diameter steel pipe needs to be welded after the first large diameter steel pipe 1 and the second large diameter steel pipe 1 'are butt-welded, the operation and welding method thereof is the same as the operation and welding method of the first large diameter steel pipe 1 and the second large diameter steel pipe 1'.
Claims (3)
1. A supporting device convenient for a large-diameter steel pipe to rotate comprises a large-diameter steel pipe, I-shaped steel, a supporting steel plate, a U-shaped support, a roller and a roller shaft; the method is characterized in that: the first large-diameter steel pipe is located on a first roller and a second roller in a first supporting device and a second supporting device, a third supporting device and a fourth supporting device; the first roller shaft and the second roller shaft are sleeved with bearings and are respectively arranged in the central holes of the first roller and the second roller; two ends of a first roller shaft are respectively arranged in the grooves at the upper ends of the first U-shaped supports, and two ends of a second roller shaft are respectively arranged in the grooves at the upper ends of the second U-shaped supports; the lower end of the first U-shaped support and the lower end of the second U-shaped support are respectively welded on the upper planes of the two ends of the steel plate; the upper ends of the first I-shaped steel, the second I-shaped steel and the third I-shaped steel are welded with the bottom surface of the steel plate at equal intervals respectively to form a first supporting device.
2. The supporting device for the large-diameter steel pipe to rotate as claimed in claim 1, wherein: the second supporting device, the third supporting device and the fourth supporting device are the same as the first supporting device in structure.
3. The supporting device for the large-diameter steel pipe to rotate as claimed in claim 1, wherein: the roller wheels arranged in the second supporting device, the third supporting device and the fourth supporting device have the same structure as the first roller wheel and the second roller wheel arranged in the first supporting device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920566866.7U CN209867825U (en) | 2019-04-24 | 2019-04-24 | Supporting device convenient for large-diameter steel pipe to rotate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920566866.7U CN209867825U (en) | 2019-04-24 | 2019-04-24 | Supporting device convenient for large-diameter steel pipe to rotate |
Publications (1)
Publication Number | Publication Date |
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CN209867825U true CN209867825U (en) | 2019-12-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920566866.7U Active CN209867825U (en) | 2019-04-24 | 2019-04-24 | Supporting device convenient for large-diameter steel pipe to rotate |
Country Status (1)
Country | Link |
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CN (1) | CN209867825U (en) |
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2019
- 2019-04-24 CN CN201920566866.7U patent/CN209867825U/en active Active
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