CN214134714U - Anti-deformation overturning welding equipment for special-shaped steel box girder bridge deck - Google Patents
Anti-deformation overturning welding equipment for special-shaped steel box girder bridge deck Download PDFInfo
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- CN214134714U CN214134714U CN202022943594.3U CN202022943594U CN214134714U CN 214134714 U CN214134714 U CN 214134714U CN 202022943594 U CN202022943594 U CN 202022943594U CN 214134714 U CN214134714 U CN 214134714U
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Abstract
A reverse deformation overturning welding device for a special-shaped steel box girder bridge deck comprises an overturning platform, wherein a plurality of longitudinal T-shaped grooves and transverse T-shaped grooves are arranged on the overturning platform in a grid shape; the anti-deformation plate comprises a convex panel, a flat plate and a connecting shaft; the convex panel is connected to the upper surface of the flat plate and is used for contacting the bridge deck; the connecting shaft is connected below the flat plate, is in sliding connection with the longitudinal T-shaped groove and is used for longitudinal translation and rotation adjustment of the anti-deformation plate; the pressing cylinder is used for pressing the bridge deck downwards; the overturning frame is used for overturning the overturning platform; a cross sliding kinematic pair is arranged on a beam frame of the portal frame, and a welding gun is connected to the moving end of the cross sliding kinematic pair. The expected reversible deformation of the arc-shaped bridge deck is realized by the overturning platform, and the welding deformation is reduced. The utility model discloses can realize the welding of dysmorphism decking, can also realize the welding of square decking to walk the position through many welder's numerical control, realized welding when I rib on the decking, reduced intensity of labour, improved welding efficiency.
Description
Technical Field
The utility model belongs to the technical field of the steel box girder manufacturing technique and specifically relates to a heterotypic steel box girder decking anti-deformation upset welding equipment is related to.
Background
In the manufacturing process of the steel box girder, a plurality of I ribs or U ribs are welded on the bridge deck slab, and the deformation of the welded bridge deck slab is large due to single-side welding, so that the bridge deck slab is put on a reverse deformation tool in advance for reverse deformation, and then welding is carried out to reduce the deformation. Most of the existing steel box girders are square and regular, so that all the anti-deformation plates on the existing anti-deformation tooling are arranged in parallel along the direction perpendicular to the welding direction.
However, for the ramp steel box girder, the bridge deck is an arc-shaped bridge deck, and correspondingly, the I-shaped rib is also an arc-shaped I-shaped rib. The welding deformation of arc decking is along radial distribution, and the biggest deformation area is located the midline of arc decking, and under this condition, the problem just has appeared in current anti-deformation frock: firstly, all the anti-deformation plates cannot be deflected and are arranged along the radial direction of the arc-shaped bridge deck; and the convex points of each anti-deformation plate are connected with each other, and the connecting line of the convex points is not on the center line of the arc-shaped bridge deck plate. The bridge deck plate thus welded is not expected or even adversely affected in all its places, and therefore the quality of the welding cannot be guaranteed.
In addition, the existing steel box girder is mostly welded by hand, and because the components are long and the ribbed slabs are many, the welding workload of workers is large, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the background art, the utility model discloses a deformed steel box girder decking anti-deformation upset welding equipment adopts following technical scheme:
the utility model provides a deformed steel box girder decking anti-deformation upset welding equipment, includes:
a plurality of longitudinal T-shaped grooves and transverse T-shaped grooves are arranged on the overturning platform in a grid shape;
the anti-deformation plate comprises a convex panel, a flat plate and a connecting shaft; the flat plate is placed on the overturning platform, and long connecting holes are formed in two ends of the flat plate; the convex panel is connected to the upper surface of the flat plate and is used for contacting the bridge deck; the connecting shaft is connected below the flat plate, is in sliding connection with the longitudinal T-shaped groove and is used for longitudinal translation and rotation adjustment of the anti-deformation plate;
the pressing cylinder is connected with the longitudinal T-shaped groove in a sliding mode and used for pressing the bridge deck downwards;
the roll-over stand comprises a hydraulic cylinder; the overturning frame is hinged with the overturning platform and is used for overturning the overturning platform;
a gantry moving in a transverse direction; a cross sliding kinematic pair is arranged on a beam frame of the portal frame, and a welding gun is connected to the moving end of the cross sliding kinematic pair.
The technical scheme is further improved, the overturning platform is of a three-layer welding structure, and the overturning platform is provided with a bottom plate layer, a profile layer and an upper plate layer consisting of a plurality of plates from bottom to top.
Further improve technical scheme, the upset platform is equipped with two horizontal T type grooves, installs a plurality of T type groove nuts in two horizontal T type grooves, and T type groove nut is used for fixing the anti-deformation board through bolt and rectangular connecting hole.
Further improve technical scheme, the upset platform is equipped with three horizontal T type grooves, and wherein, the cell type that is located horizontal T type groove in the middle is unanimous with the cell type in vertical T type groove, and the horizontal T type inslot that is located both sides installs a plurality of T type groove nuts, and T type groove nut is used for fixing the anti-deformation board through bolt and rectangular connecting hole.
According to the technical scheme, the number of the cross sliding motion pairs is further improved, and a welding gun is connected to the moving end of each cross sliding motion pair.
The technical scheme is further improved, and the portal frame and the cross sliding motion pair are driven by a numerical control system.
Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:
the utility model discloses a position is walked in many welder's numerical control, has realized welding when to I rib on the decking, reduces intensity of labour, has improved welding efficiency.
The utility model discloses a reverse deformation that the upset platform had realized that the arc decking is expected has reduced welding deformation volume.
The utility model discloses can realize the welding of dysmorphism decking such as ring road steel case roof beam, can also realize the welding of common square bridge panel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2-3 are schematic structural views of the turning platform.
Fig. 4 is a schematic structural view of a reverse deformation plate.
Fig. 5 is a schematic structural view of the present invention at the time of operation.
In the figure: 1. overturning the platform; 11. a longitudinal T-shaped groove; 12. a transverse T-shaped groove; 2. a reverse deformation plate; 21. a convex panel; 22. a flat plate; 23. a connecting shaft; 3. a compaction cylinder; 4. a roll-over stand; 5. a gantry; 6. a cross sliding kinematic pair; 7. a welding gun; 8. a bridge deck; 9. and an I rib.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The utility model provides a heterotypic steel box girder bridge panel anti-deformation upset welding equipment, includes upset platform 1, anti-deformation board 2, compresses tightly jar 3, roll-over stand 4 and portal frame 5, explains in detail below.
As shown in fig. 1, the gantry 5 can move along an X-direction rail provided on the ground. The beam frame of the portal frame 5 is provided with a cross sliding kinematic pair 6, wherein a Y-direction track of the cross sliding kinematic pair 6 is arranged on the beam frame, a Z-direction slide rail of the cross sliding kinematic pair 6 is connected with a welding gun 7, the portal frame 5 and the cross sliding kinematic pair 6 are driven by a numerical control system, and numerical control walking welding of the welding gun 7 can be realized. Because a plurality of I ribs 9 are welded on the bridge deck 8, in order to improve the working efficiency, three groups of cross sliding kinematic pairs 6 are arranged on the beam frame of the portal frame 5, and a welding gun 7 is connected on a Z-direction slide rail of each group of cross sliding kinematic pairs 6. Therefore, three welding guns 7 can weld three I ribs 9 at the same time, and the working efficiency is improved in multiples.
The roll-over stand 4 comprises a pair of hydraulic cylinders, the roll-over stand 4 is hinged with the roll-over platform 1, and the roll-over platform 1 is turned over through the pair of hydraulic cylinders. The overturning platform 1 has the function of adjusting the welding angle; secondly, the welding of the two sides of the I rib 9 is realized.
As shown in fig. 2-3, the turning platform 1 is a three-layer welded structure, which is a bottom plate layer, a profile layer and an upper plate layer from bottom to top. The bottom plate layer is a whole steel plate, the section layer is formed by welding transverse channel steel and longitudinal channel steel, and the upper plate layer is formed by a plurality of small plates. The upper plate layer and the profile layer are arranged in a staggered mode to form longitudinal T-shaped grooves 11 and transverse T-shaped grooves 12 which are arranged in a grid mode, the number of the longitudinal T-shaped grooves 11 can be adjusted correspondingly according to the length of the bridge deck 8, only three transverse T-shaped grooves 12 are arranged, the groove shape of the transverse T-shaped groove 12 in the middle is consistent with that of the longitudinal T-shaped groove 11, and a plurality of T-shaped groove nuts are arranged in the transverse T-shaped grooves 12 on the two sides.
As shown in fig. 4, the reverse deformation plate 2 includes a convex plate 21, a flat plate 22, and a connecting shaft 23. The flat plate 22 is placed on the turning platform 1, and the two ends of the flat plate 22 are provided with long connecting holes. A raised panel 21 is attached to the upper side of the plate 22 for contacting the bridge deck 8. The connecting shaft 23 is connected below the flat plate 22 and is in sliding connection with the longitudinal T-shaped groove 11 for longitudinal translational and rotational adjustment of the anti-deformation plate 2.
And two ends of each longitudinal T-shaped groove 11 are respectively provided with a pressing cylinder 3, and the pressing cylinders 3 are used for pressing the bridge deck 8 downwards. The bottom of the pressing cylinder 3 is provided with a T-shaped sliding block, and the T-shaped sliding block is in sliding connection with the longitudinal T-shaped groove 11, so that the pressing cylinder 3 can slide along the longitudinal T-shaped groove 11, and the pressing position is adjusted.
When welding the curved decking 8, the welding deformation of the curved decking 8 is distributed radially, with the point of maximum deformation being on the centreline of the curved decking 8. In order to reduce the deformation and achieve the desired reverse deformation, as shown in fig. 5, each reverse deformation plate 2 is adjusted according to the arc of the arc-shaped bridge deck 8: deflecting each anti-deformation plate 2 by a certain angle, enabling each anti-deformation plate 2 to be arranged along the radial direction of the arc-shaped bridge deck 8, and translating each anti-deformation plate 2 along the longitudinal T-shaped groove 11, so that the connection line of the salient points of each anti-deformation plate 2 is on the central line of the arc-shaped bridge deck 8; then, bolts penetrate through the long connecting holes of the anti-deformation plates 2 and are in threaded connection with T-shaped groove nuts in the transverse T-shaped grooves 12 on the two sides, and the anti-deformation plates 2 are fixed on the overturning platform 1; and finally, pressing the pressing cylinders 3 on the inner and outer arc edges of the arc-shaped bridge deck plate 8 to realize the anti-deformation prepressing of the arc-shaped bridge deck plate 8. The measures can realize the expected reversible deformation of the arc-shaped bridge deck plate 8 and reduce the welding deformation.
The utility model discloses can realize the welding of ramp steel box girder bridge panel 8, can also realize the welding of square bridge panel 8. The groove shape of the middle transverse T-shaped groove 12 is consistent with that of the longitudinal T-shaped groove 11, so that when the square and regular bridge panel 8 is welded, the anti-deformation plates 2 can transversely enter the middle transverse T-shaped groove 12, the salient points of the anti-deformation plates 2 are collinear, and the salient points are located on the central line of the square and regular bridge panel 8.
The part of the utility model not detailed is prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a deformed steel box girder decking anti-deformation upset welding equipment which characterized by: the method comprises the following steps:
a plurality of longitudinal T-shaped grooves and transverse T-shaped grooves are arranged on the overturning platform in a grid shape;
the anti-deformation plate comprises a convex panel, a flat plate and a connecting shaft; the flat plate is placed on the overturning platform, and long connecting holes are formed in two ends of the flat plate; the convex panel is connected to the upper surface of the flat plate and is used for contacting the bridge deck; the connecting shaft is connected below the flat plate, is in sliding connection with the longitudinal T-shaped groove and is used for longitudinal translation and rotation adjustment of the anti-deformation plate;
the pressing cylinder is connected with the longitudinal T-shaped groove in a sliding mode and used for pressing the bridge deck downwards;
the roll-over stand comprises a hydraulic cylinder; the overturning frame is hinged with the overturning platform and is used for overturning the overturning platform;
a gantry moving in a transverse direction; a cross sliding kinematic pair is arranged on a beam frame of the portal frame, and a welding gun is connected to the moving end of the cross sliding kinematic pair.
2. The special-shaped steel box girder bridge deck reversible deformation overturning welding equipment as claimed in claim 1, which is characterized in that: the overturning platform is of a three-layer welding structure and is composed of a bottom plate layer, a profile layer and an upper plate layer consisting of a plurality of plates from bottom to top.
3. The deformed steel box girder bridge deck reversible deformation overturning welding equipment as claimed in claim 1 or 2, which is characterized in that: the overturning platform is provided with two transverse T-shaped grooves, a plurality of T-shaped groove nuts are installed in the two transverse T-shaped grooves, and the T-shaped groove nuts are used for fixing the anti-deformation plate through bolts and strip connecting holes.
4. The deformed steel box girder bridge deck reversible deformation overturning welding equipment as claimed in claim 1 or 2, which is characterized in that: the overturning platform is provided with three transverse T-shaped grooves, wherein the groove shape of the transverse T-shaped groove in the middle is consistent with the groove shape of the longitudinal T-shaped groove, a plurality of T-shaped groove nuts are arranged in the transverse T-shaped grooves on two sides, and the T-shaped groove nuts are used for fixing the anti-deformation plate through bolts and strip connecting holes.
5. The special-shaped steel box girder bridge deck reversible deformation overturning welding equipment as claimed in claim 1, which is characterized in that: the cross sliding kinematic pairs are multiple, and a welding gun is connected to the moving end of each cross sliding kinematic pair.
6. The deformed steel box girder bridge deck reversible deformation overturning welding equipment as claimed in claim 1 or 5, which is characterized in that: the portal frame and the cross sliding kinematic pair are driven by a numerical control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943594.3U CN214134714U (en) | 2020-12-11 | 2020-12-11 | Anti-deformation overturning welding equipment for special-shaped steel box girder bridge deck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943594.3U CN214134714U (en) | 2020-12-11 | 2020-12-11 | Anti-deformation overturning welding equipment for special-shaped steel box girder bridge deck |
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| CN214134714U true CN214134714U (en) | 2021-09-07 |
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| CN202022943594.3U Active CN214134714U (en) | 2020-12-11 | 2020-12-11 | Anti-deformation overturning welding equipment for special-shaped steel box girder bridge deck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770636A (en) * | 2021-11-12 | 2021-12-10 | 山东三星机械制造有限公司 | Welding tool |
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- 2020-12-11 CN CN202022943594.3U patent/CN214134714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770636A (en) * | 2021-11-12 | 2021-12-10 | 山东三星机械制造有限公司 | Welding tool |
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