CN212470418U - Welding device for pipes - Google Patents

Abstract

The application discloses welding set of tubular product includes: the welding device comprises a driving device, a base and a welding gun, wherein two shells are arranged on an output shaft of the driving device, two parallel triangular supports are arranged on the inner sides of the two shells, a first roller and a second roller are arranged on the inner sides of the two triangular supports, the first roller and the second roller are respectively positioned at two ends of the two triangular supports, rotating shafts of the first roller and the second roller are connected with the output shaft of the driving device through transmission shafts, two supporting rods and two first supporting plates are hinged to the base and are respectively connected with one side of the corresponding triangular support in a hinged mode, the two first supporting plates are respectively hinged to the other side of the corresponding triangular support, a cylinder to be welded is placed on the first roller and the second roller, and a welding head of the welding gun is positioned at one side. The utility model discloses can solve welding set's benchmark operation platform can not rotate among the submerged arc welding operation technique, can't be to the not welded problem of unidimensional drum tubular product.

Description

Welding device for pipes

Technical Field

The application relates to the field of mechanical equipment, in particular to a welding device for pipes.

Background

In the prior art, the operation flow of submerged arc welding of large cylindrical pipes is that a reference operation platform is laid by a steel plate on a construction site, a submerged-arc welding bracket for welding the cylindrical pipe is erected on the reference operation platform, an automatic welding operation platform is arranged on the submerged-arc welding bracket, an electric rotary tire is arranged on a reference operation platform below an automatic welding operation table, then a cylindrical pipe to be welded is horizontally placed on the electric rotary tire, the cylinder is driven to rotate when the electric rotary tire rotates, the rotary tire on the automatic welding operation table is fixedly arranged, the reference operating platform below the automatic welding operating platform is fixedly arranged, the reference operating platform cannot rotate and can not weld cylindrical pipes with different sizes, therefore, a welding device with a rotatable reference operation platform is needed, and can be used for butt welding of cylindrical pipes with different sizes.

SUMMERY OF THE UTILITY MODEL

The application provides a welding set of tubular product, has solved the benchmark operation platform of automatic weld operation panel below among the submerged arc welding operation technique and has set up fixedly, and this kind of welding set's benchmark operation platform can not rotate, can't carry out butt welding's problem to the drum tubular product of equidimension not.

In order to solve the above technical problem, the present application provides a welding set of tubular product, includes: the welding device comprises a driving device, a base and a welding gun, wherein two shells are arranged on an output shaft of the driving device, two parallel triangular supports are arranged on the inner sides of the two shells, a first roller and a second roller are arranged on the inner sides of the two triangular supports, the first roller and the second roller are respectively positioned at two ends of the two triangular brackets, the rotating shafts of the first roller and the second roller are connected with the output shaft of the driving device through transmission shafts, the base is hinged with two supporting rods and two first supporting plates, the two supporting rods are respectively hinged with one side of the corresponding triangular bracket, the two first supporting plates are respectively hinged with the other side of the corresponding triangular bracket, and the welding head of the welding gun is positioned at the side to be welded of the cylinder to be welded.

Preferably, a second supporting plate is further arranged between the two triangular supports.

Preferably, the second support plate is connected with the triangular support through a bolt.

Preferably, the shell is connected with the triangular bracket through bolts.

Preferably, the housing and the triangular bracket are integrally arranged.

Compared with the prior art, the application provides a welding device of tubular product, including drive arrangement, base and welder, be provided with two shells on drive arrangement's the output shaft, the inboard of two shells is provided with two parallel triangle-shaped supports, the inboard of two triangle-shaped supports is provided with gyro wheel one and gyro wheel two, gyro wheel one and gyro wheel two are located the both ends of two triangle-shaped supports respectively, the pivot of gyro wheel one and gyro wheel two all is connected with drive arrangement's output shaft through the transmission shaft, articulated two branches and two first backup pads of being provided with on the base, two branches are articulated with one side of the triangle-shaped support that corresponds respectively, two first backup pads are articulated with the opposite side of the triangle-shaped support that corresponds respectively, wherein, treat that the welding cylinder is placed on gyro wheel one and gyro wheel two, welder's bonding tool is located treats that the welding cylinder treats welding.

Therefore, when two cylinders to be welded need to be welded in a butt joint mode by the aid of the device, two welding devices need to be installed, and then the other corresponding welding device is placed on the opposite side of each welding device to form two opposite groups of welding devices. When more than two cylinders to be welded need to be butt-welded, more than two sets of welding devices need to be installed. And placing each cylinder to be welded on each group of welding devices, wherein the welding head of the welding gun is positioned at the side to be welded of the cylinder to be welded. Then according to the size of waiting to weld the drum, through adjusting two branch and two triangle-shaped support articulated positions, the articulated position of being connected of the opposite side of first backup pad and triangle-shaped support also can rotate, makes the triangle-shaped support begin to rotate, and then makes the triangle-shaped support adjust to can satisfy waiting to weld the position department of drum size, because three pin joint can connect and form the triangle-shaped structure, so can fix by oneself after putting in place triangle-shaped support rotation regulation. And finally, after the driving device is started, the first roller and the second roller on the welding device rotate at the same speed and in the same direction, the cylinders to be welded do circular motion on the welding device due to the action of friction force, and the welding gun welds joints of the cylinders to be welded. Therefore, the welding device can realize butt welding of the cylindrical pipes with different sizes.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic structural diagram of a welding device for pipes according to the present invention;

fig. 2 is a schematic view of a positional relationship between a cylinder to be welded and a welding gun in the welding device for pipe materials provided by the present invention;

fig. 3 is a schematic view of the connection relationship between the output shaft and the rotating shaft and the transmission shaft in the welding device for pipes provided by the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

The core of the application is to provide a pipe welding device, which can solve the problems that a reference operation platform below an automatic welding operation platform is fixedly arranged in a submerged arc welding operation technology, the reference operation platform of the welding device cannot rotate, and the butt welding of cylindrical pipes with different sizes cannot be carried out.

Fig. 1 is a welding device for a pipe provided by an embodiment of the present invention, and fig. 2 is a schematic diagram illustrating a positional relationship between a cylinder to be welded and a welding gun on the welding device for a pipe provided by the present invention; fig. 3 is a schematic view of a connection relationship between an output shaft and a rotating shaft, a transmission shaft in a welding device for pipes provided by the present invention, as shown in fig. 1 to 3. This welding set includes: the welding device comprises a driving device 1, a base 2 and a welding gun 13, wherein two shells 3 are arranged on an output shaft 9 of the driving device 1, two parallel triangular supports 4 are arranged on the inner sides of the two shells 3, a roller I5 and a roller II 6 are arranged on the inner sides of the two triangular supports 4, the roller I5 and the roller II 6 are respectively positioned at two ends of the two triangular supports 4, rotating shafts 7 of the roller I5 and the roller II 6 are respectively connected with the output shaft 9 of the driving device 1 through a transmission shaft 8, two support rods 10 and two first support plates 11 are hinged on the base 2, the two support rods 10 are respectively hinged with one side of the corresponding triangular support 4, the two first support plates 11 are respectively hinged with the other side of the corresponding triangular support 4, wherein, the cylinder 14 to be welded is placed on the first roller 5 and the second roller 6, and the welding head 15 of the welding gun 13 is positioned at the side to be welded of the cylinder 14 to be welded.

Specifically, two housings 3 are arranged on the output shaft 9 of the driving device 1, and two parallel triangular brackets 4 are arranged on the inner sides of the two housings 3. The housing 3 and the triangular bracket 4 are tightly connected together, and in order to make the connection between the housing 3 and the triangular bracket 4 firm, it is preferable that the housing 3 and the triangular bracket 4 are connected by bolts, and naturally, in order to make the connection between the housing 3 and the triangular bracket 4 more tight and firm, the housing 3 and the triangular bracket 4 can be integrally arranged. The housing 3 prevents the output shaft 9 and the transmission shaft 8 connected to the driving device 1 from being damaged by water, contaminants, external force, and other factors. The connection mode of the rotating shaft 7 and the transmission shaft 8 is a common connection mode in the prior art, and the connection mode of the rotating shaft 7 and the transmission shaft 8 in the welding device for pipes provided in this embodiment is not limited to the connection mode shown in fig. 3. Specifically, the first roller 5 and the second roller 6 are arranged on the inner sides of the two triangular supports 4, and the first roller 5 and the second roller 6 are hard structures, so that the first roller 5 and the second roller 6 have large bearing capacity and can support cylinders 14 to be welded with different weights. The first roller 5 and the second roller 6 are respectively positioned at two ends between the two triangular supports 4, and rotating shafts 7 of the first roller 5 and the second roller 6 are connected with an output shaft 9 of the driving device 1 through a transmission shaft 8. After the driving device 1 is started, the first roller 5 and the second roller 6 can make uniform circular motion under the driving of the rotating shaft 7. In order to make the first roller 5 and the second roller 6 more stable in circular motion, it is preferable that a second support plate 12 is further disposed between the two triangular brackets 4, and in order to make the connection between the second support plate 12 and the triangular brackets 4 more firm, it is preferable that the second support plate 12 and the triangular brackets 4 are connected by bolts. The bottom of the housing 3 and the second support plate 12 are both free from contact with the base 2.

Specifically, two supporting rods 10 and two first supporting plates 11 are hinged to the base 2, and the two supporting rods 10 are hinged to one side of the triangular support 4, where one side is far away from the triangular support 4, that is, the side of the triangular support 4 that needs to rotate. The bottom ends of the two supporting rods 10 are hinged with the base 2, and the other ends of the two supporting rods 10 are hinged with the triangular support 4. Still be provided with two first backup pads 11 on base 2, two first backup pads 11 and base 2 fixed connection, two first backup pads 11 are located the opposite side of triangle-shaped support 4 respectively, and the opposite side means the one side that is located triangle-shaped support 4 bottom, that is to say is located the bottom department of triangle-shaped support 4, and two first backup pads 11 are connected with the articulated of the triangle-shaped support 4 that corresponds respectively. When there are a plurality of cylinders 14 to be welded that need to be butt-welded, a plurality of sets of the same welding devices need to be placed. The cylinder 14 to be welded is placed on the welding device and, after the drive device 1 is started, welding is performed at the joint of the cylinder 14 to be welded by the welding head 15 of the welding gun 13. It should be noted that the structure of the welding gun 13 and the welding head 15 includes, but is not limited to, the structure shown in fig. 2.

In order to make the technical personnel understand the scheme better, the working process of the welding device is described in detail below, when two cylinders to be welded need to be butt-welded, two welding devices need to be installed, and then the other corresponding welding device is placed on the opposite side of each welding device to form two opposite groups of welding devices. One set of welding devices comprises two opposite welding devices, and when more than two cylinders to be welded need to be subjected to butt welding, more than two sets of welding devices need to be installed. And then, placing each cylinder to be welded on each group of welding devices, wherein the welding head of the welding gun is positioned at the side to be welded of the cylinder to be welded, and the side to be welded is the side of the joint of the cylinder to be welded. According to the size of the cylinder to be welded, the positions of the two supporting rods hinged to the two triangular supports are adjusted through rotation so as to drive the triangular supports to rotate correspondingly on the first supporting plate, and then the triangular supports are adjusted to the positions capable of meeting the size of the cylinder to be welded. And finally, starting the driving device again to enable the first roller and the second roller on the welding device to rotate at the same speed and in the same direction, so that the cylinders to be welded make circular motion on the welding device, and the welding gun welds the joints of the cylinders to be welded. Therefore, the welding device can realize butt welding of the cylindrical pipes with different sizes.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (5)

1. A welding device for pipes, characterized by comprising: the welding device comprises a driving device, a base and a welding gun, wherein two shells are arranged on an output shaft of the driving device, two parallel triangular supports are arranged on the inner sides of the two shells, a first roller and a second roller are arranged on the inner sides of the two triangular supports, the first roller and the second roller are respectively positioned at two ends of the two triangular brackets, the rotating shafts of the first roller and the second roller are connected with the output shaft of the driving device through transmission shafts, the base is hinged with two supporting rods and two first supporting plates, the two supporting rods are respectively hinged with one side of the corresponding triangular bracket, the two first supporting plates are respectively hinged with the other side of the corresponding triangular bracket, and the welding head of the welding gun is positioned at the side to be welded of the cylinder to be welded.

2. The welding device for the pipes according to claim 1, wherein a second supporting plate is further arranged between the two triangular brackets.

3. The welding device for pipes of claim 2, wherein the second support plate is connected with the triangular bracket by bolts.

4. The welding device for pipes of claim 1, wherein the housing and the triangular bracket are bolted.

5. The welding device for pipes of claim 1, wherein the housing is integrated with the triangular bracket.

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