CN211102435U - Large-scale box girder welded platform - Google Patents
Large-scale box girder welded platform Download PDFInfo
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- CN211102435U CN211102435U CN201922245803.4U CN201922245803U CN211102435U CN 211102435 U CN211102435 U CN 211102435U CN 201922245803 U CN201922245803 U CN 201922245803U CN 211102435 U CN211102435 U CN 211102435U
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Abstract
The utility model provides a large box-shaped beam welding platform, which comprises a first I-steel and a second I-steel which are arranged in parallel, wherein a plurality of connecting plates are arranged between the first I-steel and the second I-steel, the first I-steel and the second I-steel are connected through the plurality of connecting plates, a positioning device is arranged above the connecting plates, and the large box-shaped beam is placed in the positioning device and fixed through bolts; evenly arrange a plurality of positioner on the basis of two I-steel, ensure to be in same horizontal plane between every positioner, the primary riser and the second riser perpendicular to diaphragm among every positioner, stability and connectivity when guaranteeing the welding, place large-scale box roof beam on this platform, straightness accuracy and parallelism between each plate when can guaranteeing the welding, locking is fixed firm, welding deformation is little, accomplish the frock location, press from both sides tightly, one step with the size dress weld in place, and the beam plane degree and the straightness accuracy that the dress has welded are all once accepted and are qualified, and is suitable for being generalized to use.
Description
Technical Field
The utility model belongs to the technical field of beam part welded technique and specifically relates to a large-scale box girder welded platform is related to.
Background
The large-scale beam parts are mainly applied to steel bridges, the length of the parts is long and basically more than 10 meters, and the requirements on flatness and straightness are extremely high. The existing welding of the parts mainly adopts a large welding platform and welds the parts by a method of an angle square, and has the defects of high equipment investment, difficulty in mastering the size control of a large box-shaped beam, unpredictable deformation, large correction workload after welding and high rework rate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a large-scale box girder welded platform, it is higher to have solved current welded platform equipment and drop into, is difficult to hold on the size control of large-scale box girder, and the deflection also can't be predicted, and it is big to weld the postcorrection work load, and the higher problem of rework rate.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the large box-shaped beam welding platform comprises a first I-shaped steel and a second I-shaped steel which are arranged in parallel, wherein a plurality of connecting plates are arranged between the first I-shaped steel and the second I-shaped steel, the first I-shaped steel and the second I-shaped steel are connected through the plurality of connecting plates, a positioning device is arranged above the connecting plates, and the large box-shaped beam is placed in the positioning device and fixed through bolts.
In the preferred scheme, the diaphragm among the positioner is established in the connecting plate top, and diaphragm top both sides are equipped with first riser and second riser.
In the preferred scheme, a first rib plate is arranged on one side of the first vertical plate and is connected with the first vertical plate and the transverse plate, a second rib plate is arranged on one side of the second vertical plate and is connected with the second vertical plate and the transverse plate.
In the preferred scheme, a plurality of bolts are arranged on the second vertical plate, penetrate through the second vertical plate, abut against one surface of the large box-shaped beam and are locked.
In a preferred scheme, the first vertical plate and the second vertical plate are perpendicular to the transverse plate.
In a preferable scheme, the positioning devices above the connecting plates are in the same horizontal plane.
The utility model provides a large box girder welding platform, the welding platform base adopts two I-steel to connect and reinforce through the connecting plate, the stability of the base is ensured, a plurality of positioning devices are evenly arranged on the basis of the two I-steel, the same horizontal plane is ensured to be positioned between each positioning device, a first vertical plate and a second vertical plate in each positioning device are vertical to a transverse plate, the first vertical plate and the transverse plate are the welding reference of the large box girder, bolts on the second vertical plate are used for locking a right side plate of the large box girder, the stability and the connectivity during welding are ensured, the large box girder is placed on the platform, the verticality and the parallelism between each plate during welding can be ensured, the locking and the fixing are firm, the welding deformation is small, the tooling positioning and the clamping are realized, the size device is welded in place in one step, and the beam flatness and the straightness after the welding are all checked and qualified once, is suitable for popularization and application.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a view of the overall structure of the present invention;
FIG. 2 is a structural view of the positioning device of the present invention;
FIG. 3 is a view of the mounting structure of the large box girder of the present invention;
FIG. 4 is an elevation view of the large box girder of the present invention;
in the figure: a first I-beam 1; a connecting plate 2; a second i-beam 3; a positioning device 4; a transverse plate 401; a first web 402; a first riser 403; a second riser 404; a second rib plate 405; a bolt 406; a left side plate 5; a top plate 6; an inner plate 7; a right side plate 8; a bottom plate 9.
Detailed Description
Example 1
As shown in fig. 1 to 4, a large box beam welding platform comprises a first i-beam 1 and a second i-beam 3 which are arranged in parallel, a plurality of connecting plates 2 are arranged between the first i-beam 1 and the second i-beam 3, the first i-beam 1 and the second i-beam 3 are connected through the plurality of connecting plates 2, a positioning device 4 is arranged above the connecting plates 2, the large box beam is placed in the positioning device 4 and fixed through bolts 406, and therefore, the platform base is structurally characterized in that the first i-beam 1 and the second i-beam 3 are connected through the plurality of connecting plates 2, the stability and the levelness of the base are guaranteed, the levelness of the large box beam placed on the base needs to be guaranteed between the plurality of positioning devices 4, and the large box beam welded by taking the positioning device 4 as a reference can have high verticality and levelness.
In the preferred scheme, the transverse plate 401 in the positioning device 4 is arranged above the connecting plate 2, and the first vertical plate 403 and the second vertical plate 404 are arranged on two sides above the transverse plate 401, so that the structure is realized, the distance between the first vertical plate 403 and the second vertical plate 404 is larger than the width of the large box girder, the positioning device 4 can be conveniently placed on the large box girder for welding, the distance between the first vertical plate 403 and the second vertical plate 404 can be adjusted when the large box girders with different widths are welded, and the large box girder can adapt to the large box girders with various widths.
In the preferred scheme, one side of the first vertical plate 403 is provided with a first rib plate 402, the first rib plate 402 is connected with the first vertical plate 403 and the transverse plate 401, one side of the second vertical plate 404 is provided with a second rib plate 405, and the second rib plate 405 is connected with the second vertical plate 404 and the transverse plate 401, so that the structure can prevent the verticality of the first vertical plate 403, the second vertical plate 404 and the transverse plate 401 from being damaged when a large box-shaped beam is welded, the first rib plate 402 and the second rib plate 405 are added to reinforce the positioning device 4, and the service life is greatly prolonged.
In a preferable scheme, a plurality of bolts 406 are arranged on the second vertical plate 404, the bolts 406 penetrate through the second vertical plate 404 and abut against one surface of the large box-shaped beam and are locked, and therefore when the bottom plate 9, the inner plate 7 and the left side plate 5 of the large box-shaped beam are welded, the right side plate 8 abuts against the bottom plate 9 and the inner plate 7 through the bolts 406, the overall size of the large box-shaped beam is controlled, abutting welding is firm, and deformation is small.
In a preferable scheme, the first vertical plate 403 and the second vertical plate 404 are perpendicular to the transverse plate 401, so that the first vertical plate 403 and the transverse plate 401 are perpendicular to be welding references of the bottom plate 9 and the left side plate 5 of the large box-shaped beam, and the second vertical plate 404 and the transverse plate 401 are perpendicular to be welding references that the right side plate 8 of the large box-shaped beam abuts against the bottom plate 9 and the inner plate 7, so that the overall welding size and perpendicularity of the large box-shaped beam are guaranteed.
In the preferred scheme, the positioning devices 4 above the connecting plates 2 are positioned on the same horizontal plane, so that the structure ensures the integral welding size and levelness of the large box-shaped beam.
Example 2
Further explained with reference to embodiment 1, as shown in fig. 1 to 4, when the box beam is assembled and welded, the bottom plate 9 abuts against the transverse plate 401 and is fixed by a clamp; the left side plate 5 is abutted against the first vertical plate 403 and is fixed by a clamp; welding the abutting position of the left side plate 5 and the bottom plate 9; two sides of the inner plates 7 are abutted against the left side plate 5 and the bottom plate 9 for welding; the right side plate 8 abuts against the inner plate 7 and the bottom plate 9, and the adjusting bolt 406 abuts against the right side plate 8 and is tightly pressed; welding the right side plate 8 on the inner plate 7 and the bottom plate 9; welding the top plate 6 against the right side plate 8, the left side plate 5 and the inner plate 7; and (4) loosening the bolts 406, and hoisting the large box-shaped beam subjected to the primary welding to a station of a submerged arc welding machine for external full-welding reinforcement.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. The utility model provides a large-scale box girder welded platform which characterized by: the large box girder is characterized by comprising a first I-shaped steel (1) and a second I-shaped steel (3) which are arranged in parallel, a plurality of connecting plates (2) are arranged between the first I-shaped steel (1) and the second I-shaped steel (3), the first I-shaped steel (1) and the second I-shaped steel (3) are connected through the plurality of connecting plates (2), a positioning device (4) is arranged above the connecting plates (2), and the large box girder is placed in the positioning device (4) and fixed through bolts (406).
2. The large box beam welding platform of claim 1, wherein: the transverse plate (401) in the positioning device (4) is arranged above the connecting plate (2), and a first vertical plate (403) and a second vertical plate (404) are arranged on two sides above the transverse plate (401).
3. The large box beam welding platform of claim 2, wherein: one side of the first vertical plate (403) is provided with a first rib plate (402), the first rib plate (402) is connected with the first vertical plate (403) and the transverse plate (401), one side of the second vertical plate (404) is provided with a second rib plate (405), and the second rib plate (405) is connected with the second vertical plate (404) and the transverse plate (401).
4. The large box beam welding platform of claim 2, wherein: and a plurality of bolts (406) are arranged on the second vertical plate (404), and the bolts (406) penetrate through the second vertical plate (404) to abut against one surface of the large box-shaped beam and are locked.
5. The large box beam welding platform of claim 2, wherein: the first riser (403) and the second riser (404) are perpendicular to the cross plate (401).
6. The large box beam welding platform of claim 1, wherein: the positioning devices (4) above the connecting plates (2) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245803.4U CN211102435U (en) | 2019-12-16 | 2019-12-16 | Large-scale box girder welded platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245803.4U CN211102435U (en) | 2019-12-16 | 2019-12-16 | Large-scale box girder welded platform |
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| Publication Number | Publication Date |
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| CN211102435U true CN211102435U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922245803.4U Active CN211102435U (en) | 2019-12-16 | 2019-12-16 | Large-scale box girder welded platform |
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| CN (1) | CN211102435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900081A (en) * | 2019-12-16 | 2020-03-24 | 宜昌江峡船用机械有限责任公司 | Large box beam welding platform and welding method |
| CN112453796A (en) * | 2020-10-13 | 2021-03-09 | 中船澄西船舶修造有限公司 | 40000 ton self-discharging ship watertight door guide rail welding tool |
-
2019
- 2019-12-16 CN CN201922245803.4U patent/CN211102435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900081A (en) * | 2019-12-16 | 2020-03-24 | 宜昌江峡船用机械有限责任公司 | Large box beam welding platform and welding method |
| CN112453796A (en) * | 2020-10-13 | 2021-03-09 | 中船澄西船舶修造有限公司 | 40000 ton self-discharging ship watertight door guide rail welding tool |
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