CN202726284U - Four finned tube submerged-arc welding device - Google Patents

Abstract

The utility model discloses a four finned tube submerged-arc welding device used for machining the four finned tube. The four finned tube submerged-arc welding device comprises a main frame, wherein a submerged arc welding machine is arranged in the main frame. A plurality of conveying mechanisms which can simultaneously pull and locate a horizontal steel flat and a line-shaped double finned tube are respectively arranged on the front part and rear part of the submerged arc welding machine. The structure of the four finned tube submerged-arc welding device is: a driving locating wheel and a driven locating wheel are correspondingly up and down and arranged in the main frame, and the driving locating wheel is driven by a drive motor. The shape of the transverse section of the wheel face of the driving locating wheel and the driven locating wheel are: the middle of the transverse section is in an inner concave arc shape, and two sides of the transverse section are straight section. The driving locating wheel and the driven locating wheel are in a clamping shape up and down and pull and locate simultaneously with the horizontal steel flat and the line-shaped double finned tube so as to ensure the horizontal steel flat to be along straightness direction and close to the line-shaped double finned tube. The four finned tube submerged-arc welding device has the advantages of improving the straightness of the horizontal steel flat so that the rate of formation of weld during the welding of the horizontal steel flat and the line-shaped double finned tube can be improved.

Description

Four extended surface tube submerged arc welding apparatus

Technical field

The utility model relates to the extended surface tube process equipment, is specifically related to four extended surface tube submerged arc welding apparatus for processing four extended surface tubes.

Background technology

In Industrial Boiler, extended surface tube is the vitals of realizing that heat transmits; The two extended surface tubes of in-line are a kind of extended surface tubes commonly used in the Industrial Boiler, and it is longitudinally to weld two symmetrical vertical band steels and consist of at common heat exchange pipe external surface; At present for the heat exchange area that increases extended surface tube, the operating efficiency that improves boiler, all be to adopt the method that the two extended surface tubes of in-line are reprocessed, namely weld again two horizontal band steels that are symmetric at the two extended surface tube outer surfaces of in-line, these two horizontal band steels are crossing distribution at heat exchange pipe external surface with two vertical band steels, and this heat exchanger tube that is provided with the band steel that is crossing distribution at outer surface is called cross four extended surface tubes.The structure of four extended surface tube submerged arc welding apparatus of traditional mode of production cross four extended surface tubes comprises: mainframe is provided with submerged arc welding machine in the mainframe; When using four extended surface tube submerged arc welding apparatus to produce cross four extended surface tube, must by the workman the two extended surface tubes of in-line be helped first, make in the two extended surface tubes of in-line and be vertical placement along its vertical band steel that vertically arranges, simultaneously, two horizontal band steels that will be needed to weld with the two extended surface tubes of in-line by the workman are more all helped, and make it near the outer surface of the two extended surface tubes of in-line, and then the two extended surface tube synchronized push of two horizontal band steels and in-line are carried out welding operation to submerged arc welding machine, until the two extended surface tubes of horizontal band steel and in-line all weld complete; Above-mentioned this method of operating, on the one hand, can increase workman's workload, the production efficiency of reduction cross four extended surface tubes, on the other hand because horizontal band steel is in manufacturing process, all can the coiled dish-type conveniently to deposit and to transport, when needs usage level band steel, people only need an end of the horizontal band steel of coiled dish-type pulled out and get final product, the phenomenon that after still horizontal band steel was pulled out, horizontal band steel linearity was relatively poor, be prone to local buckling; When the two extended surface tubes of the horizontal band steel of this local buckling and in-line weld, the appearance of weld rate variance of the two extended surface tubes of horizontal band steel and in-line, cause the fastness of cross four extended surface tubes produced relatively poor, and then make and adopt the whole fastness of the fin panel casing that above-mentioned cross four extended surface tube manufacturings form poor.

The utility model content

Thereby the purpose of this utility model provides the four extended surface tube submerged arc welding apparatus that a kind of glacing flatness that can improve horizontal band steel in cross four extended surface tubes improves the appearance of weld rate of horizontal band steel in cross four extended surface tubes.

For achieving the above object, the utility model has adopted following technical scheme: described four extended surface tube submerged arc welding apparatus, comprise: mainframe, in mainframe, be provided with submerged arc welding machine, wherein: along the traffic direction of four extended surface tubes, in mainframe, be positioned at submerged arc welding machine before, the rear is respectively arranged with several can carry out the conveying mechanism that sync pulling is located to horizontal band steel and the two extended surface tubes of in-line, the structure of described conveying mechanism is: be installed in the mainframe and be up and down the in twos corresponding positive location wheel and driven locating wheel that arranges, described positive location wheel is driven by drive motors; The wheel face shape of cross section of described positive location wheel, driven locating wheel is: middlely be the circular arc shape of indent, and circular arc-shaped bottom portion is provided with the groove that holds band steel, both sides are flat segments; The wheel face of the circular arc shape on described positive location wheel, the driven locating wheel is up and down, and the clamping shape draws the location to the two extended surface tubes of in-line, the flat segments wheel face that is positioned at homonymy on described positive location wheel, the driven locating wheel also is up and down, and the clamping shape draws clamping to the horizontal band steel that is positioned at two extended surface tube one sides of in-line respectively, the horizontal band steel of guaranteeing both sides longitudinally is flat and near the two extended surface tubes of in-line, and welds to submerged arc welding machine with the two extended surface tube synchronous transport of in-line.

By the enforcement of technique scheme, thereby the utlity model has the advantage that the glacing flatness that can improve horizontal band steel in cross four extended surface tubes improves the appearance of weld rate when horizontal band steel is welded to each other with in-line pair extended surface tubes in cross four extended surface tubes.

Description of drawings

Fig. 1 is the structural representation of four extended surface tube submerged arc welding apparatus described in the utility model.

Fig. 2 is the structural representation of the A-A section shown in Fig. 1.

Fig. 3 is the positive location wheel shown in Fig. 2 and the structural representation of driven locating wheel.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Such as Fig. 1, Fig. 2, shown in Figure 3, described four extended surface tube submerged arc welding apparatus, comprise: mainframe 1, in mainframe 1, be provided with submerged arc welding machine 2, traffic direction along four extended surface tubes, in mainframe 1, be positioned at submerged arc welding machine 2 before, the rear is provided with several can be to horizontal band steel 8,81 and the two extended surface tubes 9 of in-line carry out the conveying mechanism of sync pulling location, in the present embodiment, the structure of described conveying mechanism is all identical, the below only is described as an example of the structure of one of them conveying mechanism example, the structure of described conveying mechanism is: be installed in the mainframe 1 and be up and down the in twos corresponding positive location wheel 3 and driven locating wheel 4 that arranges, described positive location wheel 3 is driven by drive motors 5; The wheel face shape of cross section of described positive location wheel 3 is: middlely be the circular arc shape 6 of indent, and circular arc-shaped bottom portion is provided with the groove 10 that holds band steel, both sides are flat segments 7,71; The wheel face shape of cross section of described driven locating wheel 4 is: middle be the circular arc shape 61 of indent, and circular arc-shaped bottom portion is provided with the groove 101 that holds band steel, both sides are flat segments 72,73; The clamping shape drew the location to the two extended surface tubes 9 of in-line about circular arc shape wheel face 61 was in circular arc shape wheel face 6 and the driven locating wheel 4 in the described positive location wheel 3, the two extended surface tubes 9 of in-line can not produced in course of conveying rock; Flat segments wheel face 7 in the described positive location wheel 3 is up and down with the flat segments wheel face 72 in the driven locating wheel 4, and the clamping shape draws clamping to the horizontal band steel 8 that is positioned at two extended surface tube 9 one sides of in-line, described horizontal band steel 8 is after the traction clamping, horizontal band steel 8 vertically will be flat and near the two extended surface tubes 9 of in-line along it, and weld to submerged arc welding machine 2 with two extended surface tube 9 synchronous transport of in-line; Flat segments wheel face 71 in the described positive location wheel 3 equally also is up and down with the flat segments wheel face 73 in the driven locating wheel 4, and the clamping shape draws clamping to the horizontal band steel 81 that is positioned at two extended surface tube 9 opposite sides of in-line, described horizontal band steel 81 is after the traction clamping, horizontal band steel 81 vertically will be flat and near the two extended surface tubes 9 of in-line along it, and weld to submerged arc welding machine 2 with two extended surface tube 9 synchronous transport of in-line.In the present embodiment, the place ahead that is positioned at submerged arc welding machine 2 in mainframe 1 is arranged at intervals with two conveying mechanisms altogether, horizontal like this band steel 8,81 is through after the two times of clamping, its linearity can be more stable, the horizontal band steel 8 that this linearity is high, 81 and two extended surface tubes 9 of in-line when welding, the shaping rate of weld seam is higher; Simultaneously, the rear that is positioned at submerged arc welding machine 2 in mainframe 1 is provided with a conveying mechanism, four extended surface tubes that weld formation better can be drawn like this and be delivered to required position of depositing.

Operation principle of the present utility model is as follows: with two horizontal band steels 8, be listed in the both sides of the two extended surface tubes 9 of in-line in 81 minutes, pass through manually with horizontal band steel 8 first, 81 guide in positive location wheel 3 and the driven locating wheel 4 with the two extended surface tubes 9 of in-line, at this moment, the shape that the wheel face 6 of the circular arc shape in the positive location wheel 3 and the wheel face 61 of the circular arc shape in the driven locating wheel 4 surround just in time can be carried out the clamping traction to the two extended surface tubes 9 of in-line, simultaneously, flat segments wheel face 7 in the positive location wheel 3 is corresponding up and down with the flat segments wheel face 72 in the driven locating wheel 4 horizontal band steel 8 is drawn clamping, flat segments wheel face 71 in the positive location wheel 3 is corresponding up and down with the flat segments wheel face 73 in the driven locating wheel 4 horizontal band steel 81 is drawn clamping, make horizontal band steel 8,81 longitudinally are rolled into flat and nestle up the two extended surface tubes 9 of in-line, and weld to submerged arc welding machine 2 with two extended surface tube 9 synchronous transport of in-line, weld complete after, cross four extended surface tubes that welding forms will be towed in positive location wheel 3 and the driven locating wheel 4 in another conveying mechanism that is arranged on submerged arc welding machine 2 rears, arrive required deposit position under the traction of the positive location wheel 3 of this position and driven locating wheel 4.By aforesaid operations, behind the horizontal band steel clamping position through positive location wheel and driven locating wheel, improved the glacing flatness of horizontal band steel, and then the appearance of weld rate when having improved horizontal band steel and being welded to each other with in-line pair extended surface tubes.

Claims (1)

1. four extended surface tube submerged arc welding apparatus, comprise: mainframe, in mainframe, be provided with submerged arc welding machine, it is characterized in that: along the traffic direction of four extended surface tubes, the forward and backward side who is positioned at submerged arc welding machine in mainframe is respectively arranged with several and can carries out the conveying mechanism that sync pulling is located to horizontal band steel and the two extended surface tubes of in-line, the structure of described conveying mechanism is: be installed in the mainframe and be up and down the in twos corresponding positive location wheel and driven locating wheel that arranges, described positive location wheel is driven by drive motors; The wheel face shape of cross section of described positive location wheel, driven locating wheel is: middlely be the circular arc shape of indent, and circular arc-shaped bottom portion is provided with the groove that holds band steel, both sides are flat segments; The wheel face of the circular arc shape on described positive location wheel, the driven locating wheel is up and down, and the clamping shape draws the location to the two extended surface tubes of in-line, the flat segments wheel face that is positioned at homonymy on described positive location wheel, the driven locating wheel also is up and down, and the clamping shape draws clamping to the horizontal band steel that is positioned at two extended surface tube one sides of in-line respectively, the horizontal band steel of guaranteeing both sides longitudinally is flat and near the two extended surface tubes of in-line, and welds to submerged arc welding machine with the two extended surface tube synchronous transport of in-line.

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