CN2095055U

CN2095055U - Automatic welder for internal, external longitudinal and ring seam

Info

Publication number: CN2095055U
Application number: CN 91218816
Authority: CN
Inventors: 张金利; 韩炳勋
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-07-27
Filing date: 1991-07-27
Publication date: 1992-02-05

Abstract

The utility model relates to an automatic welding machine for internal and external longitudinal seams, which is the improvement of the existing automatic welding machine. A wire feeding mechanism of the existing automatic welding machine is arranged on a transverse beam of a supporting frame in a horizontal feeding state. The wire feeding mechanism is connected with a welding nozzle extension jib which is provided with a 90 DEG elbow on one end, a horizontal guide wheel pair, a steering wheel pair and an aligning wheel. A welding nozzle is arranged at the point of the elbow of the extension jib so that the radial size of the welding nozzle is decreased. Thus the utility model can carry out automatic submerged arc welding which can not be carried out by the existing automatic welding machine to internal longitudinal circular seams, and the diameter of the automatic submerged arc welding is less than 600 millimetres.

Description

Automatic welder for internal, external longitudinal and ring seam

The utility model relates to a kind of automatic welding machine.

Existing automatic welding machine comprises that inside and outside vertical automatic welding of circumferential seams meets sb. at the airport, wire feeding mode is preceding pull-type vertical wire feed, wire feeder is loaded on the head place, and it is very big to cause weldering to chew the radial dimension at position, thus in can welding the longitudinal joint barrel diameter and can weld in the circumferential weld diameter all more than 600 millimeters.And for diameter at container below 600 millimeters and equipment, as petroleum pipeline, branch pipe tee connection, wiper, receiver, strict pressure vessel and the equipment of boiler barrel one class weld bond can't weld automatically owing to welder head can not stretch into inside, thereby can only adopt manual welding.Manual welding not only efficient is low, and the weld bond quality is difficult for guaranteeing.

The purpose of this utility model provides in a kind of the weldering the vertical inside and outside vertical automatic welding of circumferential seams of circumferential weld diameter below 600 millimeters and meets sb. at the airport.

The purpose of this utility model realizes in the following manner.

But hoistable platform by the self-travel type vertical lift that has the guide rail of walking, be positioned at the chassis that the walking guide rail being arranged on the hoistable platform, be fixed on support on the chassis, be loaded on wire reel on the support, control panel, wire feeder and axially, the wire feeder of radially guiding mechanism, weldering are chewed, solder flux magazine, weld tracker constitute automatic welding machine is horizontal wire feed state and is connected and fixed on rack beam, a wire feeder and a weldering are chewed extension arm and are connected weldering and chew 90 ° of extension arm one end bendings, and weldering is chewed and is loaded on extension arm and becomes folding and hold.Weldering chews to add has horizontal wire feed directive wheel right on the arm, the extension arm bending place has the wire feed deflecting roller right, section colonel through ship.Welding wire is entered by wire reel and send than mechanism, send than the horizontal wire feed of mechanism and through horizontal guide sheave the guiding welding wire is sent into deflecting roller to turning to, and welding wire turns to after weldering is sent in the alignment of alignment wheel welds in chewing.The solder flux magazine is fixed on weldering and chews extension arm bent over arms section and chew welding for medicine for weldering.

The inside and outside vertical automatic welding of circumferential seams that the utility model provides is met sb. at the airport to add between wire feeder and weldering are chewed and is put a weldering and chew extension arm and weldering is chewed protract, wire feeding mode changes the horizontal wire feed of back-pushed into by preceding pull-type vertical wire feed, thereby reduced the radial structure size that part is chewed in weldering greatly, make weldering chew the position can stretch into diameter below 600 millimeters cylindrical shell or equipment in carry out in longitudinal joint and in the automatic welding of circumferential weld.

Accompanying drawing is an example structure figure of the present utility model, but the utility model is not limited only to this a kind of structural shape, below in conjunction with attached detailed description the utility model.

As shown in the figure, the inside and outside vertical automatic welding of circumferential seams walking guide rail car (31) of having met sb. at the airport, guide rail car can ask welding machine to go up walking at guide rail (30).But the lifting platform of the vertical lift of welding machine (32) is fixed with framework (37) by helical pitch post (1) helical pitch that is fixed on the walking car in the lifting.The supporting extension arms roller (36) of fixing and support the support bed (33) of chassis guide rail (34) is fixed on the framework, and support bed can do radially to come and go displacement on roller.The direction of displacement of support bed is regulated and control by screw rod (29) with distance.Be fixed with support (5) on the chassis (35), the wire reel of welding machine (3), control panel (2) are loaded on the rack beam rear end, and wire feeder (6) is horizontal wire feed state is fixedly connected on rack beam by retaining mechanism (4) leading section.Wire feeder is chewed extension arm (12) with weldering and is connected, and 90 ° of extension arm one end bendings are chewed in weldering, and weldering is chewed (22) and is fixedly connected on and adds the longwell bending end.Weldering is chewed in the extension arm arm chamber has horizontal guide sheave to (7), the bending place has deflecting roller to pay (15), the bent over arms section has alignment wheel (16) welding wire to enter wire feeder by the horizontal wire feed of wire feeder silk pressing wheel by wire reel, through horizontal guide sheave guiding is entered deflecting roller to becoming vertical wire feed by horizontal wire feed.Welding wire after turning to is sent into weldering and is chewed welding after the alignment of alignment wheel.Solder flux magazine (14) is fixed on weldering and chews extension arm bent over arms section and chew welding for weldering and carry out Lincoln weld for medicine.

Longitudinal joint tracker and interior circumferential weld tracker in inside and outside vertical automatic welding of circumferential seams has been met sb. at the airport.Interior longitudinal joint tracker can be inhaled solid at the guide rail on the weldment (20) with can be fixedly connected on weldering and chew spy wheel (19) formation on the extension arm bent over arms section by having magnet (21).Interior circumferential weld tracker is chewed the spy wheel on the extension arm curved boom folding arm section and is constituted with the on-off switch of visiting the wheel carrier interlock by being fixed on weldering, and lifting motor electrically connects on on-off switch and the lifting platform, and the on-off switch closure can make lifting platform rise or decline.

In order to keep welding chew steady, so that welding, extension arm is chewed in weldering matrix sliding bearing frame (13), and roller (24) is arranged at bearing support concave groove bottom, and weldering is chewed extension arm and crouched interior by roller wheel bearing into sliding bearing frame groove.Sliding bearing frame stay bolt bar (10) end is connected with turning rolls (8), and turning rolls walking guide rail (9) is fixed on the lifting platform framework, and turning rolls can be done radially to come and go on guide rail to move.Roller (26) is equipped with in bearing support support bar (25) end, rolling wheel guide rails (27) is fixed on the lifting platform framework, the support bar roller can do radially to come and go displacement on guide rail, chew for the weldering that makes welding machine and to carry out fine position in the axial direction, welding machine has micromatic setting, it is chewed the adjustable plate (11) on the extension arm and constitutes with the adjusting screw(rod) (28) of adjustable plate threaded engagement by being fixed on weldering, and adjusting screw(rod) is loaded on the hoistable platform, and can chew extension arm with weldering and do radial displacement.In having, peeps by automatic welding machine the observation place, so that the position is chewed in observation welding situation and adjustment weldering at any time.In peep finder by the speculum (18) that is fixed on eyepiece (38) on the lifting platform, reflection fiducial mark projection image, be fixed on weldering and chew the being positioned at light source (17) that the top is chewed in weldering on the extension arm bent over arms section, with light source on the same axis and the fiducial mark (23) that is positioned at below it constitute.

Use inside and outside vertical, when vertical boxing connect in automatic welding of circumferential seams was met sb. at the airport and carried out, in the welding during longitudinal joint, longitudinal joint tracker in installing, circumferential weld tracker in the circumferential weld in the welding.Peep finder in the utilization and can observe the fiducial mark projection and whether drop on the commissure, depart from that axial micromatic setting of Shi Keyong or chassis guide rail support stand adjusting screw(rod) carry out axially and radially fine setting weldering is chewed align weld seam.

Claims

1, a kind of inside and outside vertical automatic welding of circumferential seams is met sb. at the airport, but it is by the hoistable platform of self-travel type vertical lift, be positioned at the chassis that the walking guide rail is arranged on the hoistable platform, be fixed on the support on the chassis, be loaded on the wire reel on the support, control panel, wire feeder, welding machine is axial, guiding mechanism radially, weldering is chewed, the solder flux magazine, weld tracker constitutes, it is characterized in that said wire feeder is horizontal wire feed state and is connected and fixed on rack beam, between chewing, wire feeder and weldering have weldering to chew extension arm, 90 ° of extension arm one end bendings are chewed in weldering, weldering is chewed to be fastened on to weld and is chewed the extension arm bending end, extension arm is chewed in weldering has horizontal wire feed directive wheel right, the extension arm bending place is chewed in weldering has the wire feed deflecting roller right, the alignment wheel is arranged on the long-armed bent over arms section, welding wire enters wire feeder by wire reel, by the horizontal wire feed of wire feeder, horizontal wire feed enters deflecting roller to turning to through horizontal guide sheave to guiding, welding wire turns to after send into weldering after the alignment of alignment wheel and chews welding, the solder flux magazine is fixed on weldering and chews on the extension arm curved boom section, for weldering is chewed welding for medicine.