CN214489197U - Double-filament submerged-arc welding device for welding crane girder - Google Patents
Double-filament submerged-arc welding device for welding crane girder Download PDFInfo
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- CN214489197U CN214489197U CN202121863966.XU CN202121863966U CN214489197U CN 214489197 U CN214489197 U CN 214489197U CN 202121863966 U CN202121863966 U CN 202121863966U CN 214489197 U CN214489197 U CN 214489197U
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Abstract
A double-filament submerged-arc welding device for welding a crane girder comprises two welding wire discs, wire feeders, welding guns, a power supply and a welding flux hopper, wherein one welding wire extends out of the two welding wire discs respectively; the welding flux funnel is internally provided with welding flux, a discharge hole at the bottom of the welding flux funnel is provided with a discharging pipe, and a pipe orifice of the discharging pipe is correspondingly positioned between the welding wire and an outer welding seam of the base metal; and this device can improve the welding efficiency of hoist girder.
Description
Technical Field
The utility model belongs to the technical field of crane girder production technique and specifically relates to a be used for two filament submerged arc welding devices of crane girder welded.
Background
As is known, a main beam structure of a crane is a box-type beam box structure, four outer welding seams of the box-type beam box need to be welded in the production and manufacturing process of the box-type beam box, the traditional welding of the outer welding seams is a single-wire submerged arc welding mode, although the method can complete the welding work, the welding speed is low when the method is used for welding because the welding feet of the main beam of the crane are generally large, and meanwhile, a gas shield welding method is used for bottoming and protecting a welding piece before welding, so that the welding efficiency is influenced; therefore, in summary, there is a need in the current market for a device that can improve the efficiency of welding the main beam of the crane.
Disclosure of Invention
In order to overcome the not enough among the background art, the utility model discloses a be used for two filament submerged arc welding devices of hoist girder welded.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a double-filament submerged-arc welding device for welding a crane girder comprises two welding wire discs, wire feeders, welding guns, a power supply and a welding flux hopper, wherein one welding wire extends out of the two welding wire discs respectively; the welding flux funnel is internally provided with welding flux, a discharge hole at the bottom of the welding flux funnel is provided with a discharging pipe, and a pipe orifice of the discharging pipe is correspondingly positioned between the welding wire and an outer welding seam of the base metal;
preferably, the wire feeder comprises a shell, a retainer, auxiliary wheels and a driving wheel, wherein through holes for the welding wires to pass through are formed in the top surface and the bottom surface of the shell, the retainer is arranged in the center of the shell, the auxiliary wheels are arranged on the side surfaces, corresponding to the two welding wires, of the retainer, driving wheel groups are arranged on the two outer sides of the retainer, and one welding wire is clamped between the two driving wheel groups and the corresponding auxiliary wheels;
preferably, the driving wheel set is composed of two driving wheels, the two driving wheels are both driven by a driving motor, and the driving motor is correspondingly arranged in the shell;
preferably, the included angle between the welding wire and the horizontal plane is 45-60 degrees;
preferably, the distance between the two welding wires is 9-12 mm.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a double-filament submerged arc welding device for crane girder welding, which adopts a double-filament submerged arc welding mode, thereby having higher welding efficiency compared with a single-filament submerged arc welding mode; in addition, the two welding wires are arranged in parallel and along the direction of the outer welding seam, so that the welding seam formed by welding is fuller (namely the calculated thickness of the fillet weld is larger), and the forming quality of the welding seam is improved;
in addition, the welding wire can be kept straight when being conveyed through the wire feeder, and the welding wire can be driven to move to a welding seam, so that the wire feeding speed of the welding wire is increased, and the improvement of the welding efficiency is facilitated to a certain extent.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of welding of base materials;
fig. 3 is a schematic structural view of the wire feeder.
In the figure: 1. a wire reel; 2. welding wires; 3. a wire feeder; 301. a housing; 302. a holder; 303. an auxiliary wheel; 304. a driving wheel set; 4. a welding gun; 5. a power source; 6. a flux hopper; 7. welding flux; 8. a discharging pipe; 9. a base material.
Detailed Description
In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:
the double-filament submerged-arc welding device for welding the crane girder comprises two wire reels 1, a wire feeder 3, a welding gun 4, a power supply 5 and a flux funnel 6, wherein the two wire reels 1 are provided, and the two wire reels 1 respectively extend out of a welding wire 2, namely, the device adopts a double-filament submerged-arc welding mode, and when the double-filament submerged-arc welding adopts direct-current reverse welding, arcs of the front and the rear welding wires 2 are mutually attracted to form a welding molten pool, and the length of the formed molten pool is larger, so that a welding seam with good appearance can be formed at a higher welding speed, meanwhile, the direct-current reverse welding method can obtain larger fusion depth and can be used for welding thicker plates, in addition, the welding wire 2 of the mode generally adopts filaments, namely, the diameter phi of the welding wire 2 is 1.5-1.7mm, so that the density of the welding current is larger, and higher resistance heating is generated, therefore, the deposition speed of the double-filament parallel submerged-arc welding is higher, and based on the characteristics of the double-filament submerged-arc welding, the welding speed can be improved to achieve the effect of efficient welding while the quality of a welding seam is ensured; the two welding wires 2 are correspondingly arranged in parallel, and the two welding wires 2 are arranged in the direction of the outer welding seam, so that the welding seam formed by welding is fuller, namely the calculated thickness of the fillet weld is larger, and the forming quality of the welding seam is improved, particularly, the included angle between each welding wire 2 and the horizontal plane is 45-60 degrees, wherein the optimal angle is 50 degrees, the distance between the two welding wires 2 is 9-12mm according to needs, and the optimal distance is 10 mm; the two welding wires 2 sequentially penetrate through the wire feeder 3 and the welding gun 4 and are positioned above an outer welding seam of the base metal 9;
in addition, the wire feeder 3 comprises a shell 301, a retainer 302, an auxiliary wheel 303 and a driving wheel, wherein the top surface and the bottom surface of the shell 301 are respectively provided with a through hole for the welding wire 2 to pass through, and the welding wire 2 passes through the through holes corresponding to the upper part and the lower part, so that the welding wire 2 can be always kept in a linear conveying state in the conveying process; the shell 301 is made of metal, and the outer wall surface of the shell 301 is correspondingly electrically connected with the power supply 5, so that after the power supply 5 is electrified, current can be conducted to the welding wires 2 which are abutted against the wall of the through hole through the shell 301, the retainer 302 is arranged at the center in the shell 301, the retainer 302 is provided with auxiliary wheels 303 corresponding to the side surfaces of the two welding wires 2, the auxiliary wheels 303 have no capability of actively rotating but can rotate along with the welding wires 2 in the conveying process, so as to provide a certain supporting force for the welding wires 2, the auxiliary wheels 303 are provided in plurality, the auxiliary wheels 303 are arranged along the direction of the welding wires 2, so as to improve the supporting capability for the welding wires 2, the two outer sides of the retainer 302 are provided with driving wheel sets 304, the driving wheel sets 304 have the capability of actively rotating, so as to drive the welding wires 2 to move to the welding seams, so as to improve the wire feeding speed of the welding wires 2, a welding wire 2 is clamped between the two driving wheel sets 304 and the corresponding auxiliary wheels 303, the welding wire 2 is fed in a clamping mode of the welding wire 2, so that the linear state of the welding wire 2 in the conveying process is further ensured, the driving wheel set 304 is composed of two driving wheels according to needs, the two driving wheels are both driven by a driving motor, the driving motors are correspondingly arranged in the shell 301, the two driving wheels can further improve the wire feeding speed of the welding wire 2, the linear clamping capacity of the welding wire 2 is improved, and the welding wire 2 is prevented from being bent in the wire feeding process; the welding gun 4 and the base metal 9 are correspondingly connected with the positive electrode and the negative electrode of the power supply 5 respectively, the base metal 9 and the welding gun 4 are electrified through the power supply 5, an electric arc can be formed between the welding wire 2 and the base metal 9 in the working process, so that the tail end of the welding wire 2 and a welding flux 7 between the welding wire 2 and an outer welding seam of the base metal 9 are melted by utilizing the heat of the electric arc, and the welding operation of the welding seam is further completed; flux 7 is equipped with in the flux funnel 6, the bottom discharge mouth of flux funnel 6 is equipped with unloading pipe 8, the mouth of pipe correspondence of unloading pipe 8 is located between the outer welding seam of welding wire 2 and base metal 9, can play the effect of protecting 9 metals of base metal and metallurgical processing through flux 7, and this device is to remove the welding along the outer welding seam of base metal 9, wherein flux funnel 6 is located the place ahead of welding wire 2 on the welding direction, thereby guarantee in welding process, there is flux 7 as the intermediate between welding wire 2 and the base metal 9 all the time, improve the shaping quality of welding seam.
Implement a during a be used for hoist girder welded two filament submerged arc welding device, at first let solder flux 7 fall in the outer welding seam department of base metal 9 through solder flux funnel 6, then the power 5 supplies power for base metal 9 and welder 4 all get electric, and then make welding wire 2 get electric through welder 4's contact tube, thereby make to produce electric arc between 2 tail ends of welding wire and the base metal 9, and the temperature of this electric arc can melt welding wire 2 and solder flux 7, finally realize the weldment work to the outer welding seam of base metal 9.
The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (4)
1. A double-filament submerged arc welding device for welding a crane girder is characterized in that: the welding wire feeding device comprises two welding wire discs (1), a wire feeder (3), a welding gun (4), a power supply (5) and a welding flux funnel (6), wherein the two welding wire discs (1) respectively extend out of one welding wire (2), the two welding wires (2) are correspondingly arranged in parallel, the two welding wires (2) are arranged along the direction of an outer welding seam, and the two welding wires (2) are positioned above the outer welding seam of a base metal (9) after sequentially penetrating through the wire feeder (3) and the welding gun (4); the wire feeder (3) comprises a shell (301), a retainer (302), auxiliary wheels (303) and driving wheels, through holes for the welding wires (2) to pass through are formed in the top surface and the bottom surface of the shell (301), the retainer (302) is arranged in the center of the shell (301), the auxiliary wheels (303) are arranged on the side surfaces, corresponding to the two welding wires (2), of the retainer (302), driving wheel groups (304) are arranged on the two outer sides of the retainer (302), and one welding wire (2) is clamped between the two driving wheel groups (304) and the corresponding auxiliary wheels (303); the welding gun (4) and the base metal (9) are respectively and correspondingly connected with the positive electrode and the negative electrode of the power supply (5); flux (7) are equipped with in flux funnel (6), and the bottom discharge gate of flux funnel (6) is equipped with unloading pipe (8), and the mouth of pipe of unloading pipe (8) corresponds to be located between the outer welding seam of welding wire (2) and base metal (9).
2. The twin-wire submerged arc welding apparatus for welding a crane girder according to claim 1, wherein: the driving wheel set (304) is composed of two driving wheels, the two driving wheels are driven by a driving motor, and the driving motor is correspondingly arranged in the shell (301).
3. The twin-wire submerged arc welding apparatus for welding a crane girder according to claim 1, wherein: the included angle between the welding wire (2) and the horizontal plane is 45-60 degrees.
4. The twin-wire submerged arc welding apparatus for welding a crane girder according to claim 1, wherein: the distance between the two welding wires (2) is 9-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863966.XU CN214489197U (en) | 2021-08-11 | 2021-08-11 | Double-filament submerged-arc welding device for welding crane girder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121863966.XU CN214489197U (en) | 2021-08-11 | 2021-08-11 | Double-filament submerged-arc welding device for welding crane girder |
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| CN214489197U true CN214489197U (en) | 2021-10-26 |
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| CN202121863966.XU Active CN214489197U (en) | 2021-08-11 | 2021-08-11 | Double-filament submerged-arc welding device for welding crane girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383265A (en) * | 2022-09-01 | 2022-11-25 | 海波重型工程科技股份有限公司 | Double-wire double-buried arc welding equipment for T-shaped penetration fillet weld and using method thereof |
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2021
- 2021-08-11 CN CN202121863966.XU patent/CN214489197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383265A (en) * | 2022-09-01 | 2022-11-25 | 海波重型工程科技股份有限公司 | Double-wire double-buried arc welding equipment for T-shaped penetration fillet weld and using method thereof |
| CN115383265B (en) * | 2022-09-01 | 2024-02-06 | 海波重型工程科技股份有限公司 | Double-wire double-submerged arc welding equipment for T-shaped penetration fillet weld and use method thereof |
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