CN201249319Y

CN201249319Y - Immobile pipe circular seam welding machine

Info

Publication number: CN201249319Y
Application number: CNU2008200148066U
Authority: CN
Inventors: 曹新武; 高光宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-13
Filing date: 2008-08-13
Publication date: 2009-06-03
Anticipated expiration: 2018-08-13

Abstract

The utility model provides an immobile pipe circular seam welding machine, which relates to an improved immobile pipe circular seam welding machine. The utility model aims to provide a timesaving and labor-saving immobile pipe circular seam welding machine capable of ensuring welding quality. The immobile pipe circular seam welding machine comprises a welding torch holder and a turning gear for the welding torch holder. The structural essence of the utility model is as follows: the turning gear comprises a support mechanism with support rings and an annular solder net with slide fasteners fixed between two pipes; the gear of an electric motor on a support ring engages the gear of inner rings; the inner rings are fixed on the support ring through a side bearing and a radial bearing. The welding torch holder is arranged on a carrier bar welding torch seat between the inner rings; a guide roller and a open chain plow are arranged on the front end of the welding torch holder; a leveling press roll and a ridge-combination plowshare are arranged on a support on the back end of the welding torch holder and a shaft respectively.

Description

A kind of circular seam welding machine for fixed pipes

Technical field:

The utility model relates to the improvement of large-size pipe Welding machine of circumferential weld.

Background technology:

At home and abroad obtained at present using widely by pipeline oil transportation, gas transmission etc.; But a large amount of welding jobs between the pipeline are still by the artificial welding that falls behind and bear, and therefore, welding is not only wasted time and energy, and welding quality is difficult to guarantee.

The utility model content:

The utility model is exactly at the problems referred to above, provides a kind of and saves time, laborsaving, the circular seam welding machine for fixed pipes that can guarantee welding quality.

For achieving the above object, the utility model adopts following technical scheme, the utility model comprises the whirligig of gun rack, gun rack, and its structural feature is that whirligig comprises supporting mechanism with support ring, can be fixed in the annular welding agent net with slide fastener between two pipelines; The gear of the motor on the support ring is meshed with the gear of interior ring, and interior ring is fixed on the support ring by side bearing, journal bearing; Carrier bar welding gun seat between the interior ring is provided with gun rack, and gun rack comprises the welding gun that is fixed on the gun rack, and the front end of gun rack is respectively arranged with the leveling pressure roller, closes the ridge ploughshare for being provided with guide wheel, open chain plough on the back end support of gun rack and the axle.

The beneficial effects of the utility model:

1, time saving and energy saving, increase work efficiency:

When using the utility model,, just can just remove a large amount of people's work from the work of carrying out the girth welding between two pipelines under the control of machinery as long as once adjust the whirligig between two pipelines and the position of welding gun; Especially adopt the limit to open slide fastener, side weld connects the advanced configuration of carrying out work synchronously, therefore, and time saving and energy saving, high efficiency;

2, quality is good:

The utility model is at first adjusted the interior ring relative position of support ring, processed relatively two pipelines when construction; Again interior ring is fixed on the support ring ring stable and accurate motion in support ring in making by side bearing, journal bearing; Especially adopt the limit to open the advanced technologies that slide fastener, side weld connect, make welding agent outwards trickling when construction, guaranteed welding quality.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is interior ring and the support ring structure combining schematic diagram of Fig. 1;

Fig. 4 is the structural representation of spacer pin of the present utility model;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is a ring and spacer pin corresponding structure schematic diagram in two and half;

Fig. 7 is the gun rack structural representation;

Fig. 8 is the vertical view of Fig. 7;

Fig. 9 is a correlation structural representation between slide fastener of the present utility model and the open chain plough;

Figure 10 is the structural representation that the utility model closes the ridge ploughshare;

Figure 11 is the right view of Figure 10;

Figure 12 is the same slide fastener of gun rack of the present utility model, annular welding agent net correlation structural representation;

Figure 13 is the left view of the supporting mechanism of Fig. 1.

The specific embodiment:

The utility model comprises the whirligig 11 of gun rack 10, gun rack 10, and whirligig 11 comprises supporting mechanism 20 with support ring 7, can be fixed in the annular welding agent net 12 with slide fastener 48 between two pipelines 19; The gear 2 of the motor 1 on the support ring 7 is meshed with the gear 3 of interior ring 6, and interior ring 6 is fixed on the support ring 7 by side bearing 4, journal bearing 5; Carrier bar 18 welding gun seats 15 between the interior ring 6 are provided with gun rack 10, gun rack 10 comprises the welding gun 14 that is fixed on the gun rack 10, the front end of gun rack 10 is respectively arranged with leveling pressure roller 46, closes ridge ploughshare 42 for being provided with guide wheel 39, open chain plough 40 on the back end support 43 of gun rack 10 and the axle 41.

In ring 6 side bearing 4 be fixed in (see figure 3) on the side of support ring 7 with bolt 29, nut 28.

In ring 6 journal bearing 5 contact with the pads 30 in support ring 7 screws 32, pad 30 is with being spring 31 (see figure 3)s between the bolt 34 on the nut 33.

For simplifying technology and easy for installation, support ring 7, interior ring 6 are made of two and half support rings, 7, two and half interior rings 6 respectively.

Stablize, guarantee running accuracy for what make ring 6 combinations in two and half; The junction that can encircle in two and half between 6 is provided with locating hole 38, positioning boss 37; Corresponding to locating hole 38, positioning boss 37 spacer pin 27 (seeing Fig. 4,5,6) with alignment pin 36, locating slot 35 is set.

Closing between ridge ploughshare 42 and the support 43 of gun rack 10 is provided with spring 45; So that closing ridge ploughshare 42 is attached on the welding agent net 12 firmly; Be respectively arranged with location ball 47 on the gun rack 10 of welding gun 14 both sides; So that welding gun 14 in the location, also can rotate and swing (seeing Fig. 7,8) along three directions around location ball 47.

For making things convenient for the fixing of welding agent net 12, can be provided with in the outer end of welding agent net 12 and carry 49 (seeing Figure 12) secretly.

Also can be provided with silk supplying machine 16, defectoscope 9 on the gun rack 10 of carrier bar 18, can improve the efficient of welding job.Silk supplying machine 16, defectoscope 9 all can be purchased (see figure 2) from market.

Wire feed dish 22 by silk supplying machine 16 provides welding rod; Welding gun 14 be fixed in angulator 23 connecting rod 24 the axle 25 on; Welding gun 14 can be around the angle (see figure 2) of angulator 23 conversion welding guns 14.

The gear 26 of gun rack 10 is meshed with the longitudinal rack on the carrier bar 18 17, and gear 26 links to each other with handle 8, by the lengthwise position of handle 8 adjustable welding guns 14; Gun rack 10 is by motor 21 control radial positions (seeing Fig. 1,2).

Screw rod 53 tops of supporting mechanism 20 are for adjusting handle 54, and the axle 51 of screw rod 53 bottoms is provided with V shape iron 50; The both sides of supporting mechanism 20 are provided with the locating hole 52 (seeing Figure 13) that can be fixed in processed pipeline 19.

The utility model also can adopt automatic control, can increase work efficiency greatly.

The utility model can be implemented different types of welding manner, as, submerged-arc welding, gas shielded arc welding, argon arc welding etc.

Below in conjunction with a description of drawings use of the present utility model:

At first, after pipeline 19 positions of two desires processing are determined, again ring 6 in two and half is fixed in the one (see figure 1), places on two processed pipeline 19 outer buses, and fix with spacer pin 27; Then, interior ring 6 is fixed on the support ring 7 by journal bearing 5, side bearing 4 (sees Fig. 1,3), set up support ring 7 with the axial location between the processed pipeline 19 by supporting mechanism 20; Between two processed pipelines 19, configure annular welding agent 13 and annular welding agent net 12; Welding job by the operating angle that angulator 23 is set up welding gun 14 at any time, just can be carried out in the position of having set up gun rack 10 by handle 8, motor 21 again; Ring 6 rotates promptly, and welding gun 14 carries out welding job around circular weld.

Claims

1, a kind of circular seam welding machine for fixed pipes, the whirligig (11) that comprises gun rack (10), gun rack (10), it is characterized in that whirligig (11) comprise have support ring (7) supporting mechanism (20), can be fixed in the annular welding agent net (12) between two pipelines (19) with slide fastener (48); The gear (2) of the motor (1) on the support ring (7) is meshed with the gear (3) of interior ring (6), and interior ring (6) is fixed on the support ring (7) by side bearing (4), journal bearing (5); Carrier bar (18) welding gun seat (15) between the interior ring (6) is provided with gun rack (10), gun rack (10) comprises the welding gun (14) that is fixed on the gun rack (10), the front end of gun rack (10) is respectively arranged with leveling pressure roller (46), closes ridge ploughshare (42) for being provided with guide wheel (39), open chain plough (40) on the back end support (43) of gun rack (10) and the axle (41).

2, a kind of circular seam welding machine for fixed pipes according to claim 1 is characterized in that the side bearing (4) of interior ring (6) is fixed on the side of support ring (7) with bolt (29), nut (28).

3, a kind of circular seam welding machine for fixed pipes according to claim 1, the interior pad (30) of the same support ring of journal bearing (5) (7) screw (32) that it is characterized in that interior ring (6) contacts, and it is spring (31) that pad (30) same nut (33) is gone up between the bolt (34).

4, a kind of circular seam welding machine for fixed pipes according to claim 1 is characterized in that support ring (7), interior ring (6) are made of ring (6) in two and half support rings (7), two and half respectively.

5, a kind of circular seam welding machine for fixed pipes according to claim 4 is characterized in that the junction between the ring (6) is provided with locating hole (38), positioning boss (37) in two and half; The spacer pin (27) that has alignment pin (36), locating slot (35) corresponding to locating hole (38), positioning boss (37) setting.

6, a kind of circular seam welding machine for fixed pipes according to claim 1 is characterized in that closing between ridge ploughshare (42) and the support (43) of gun rack (10) is provided with spring (45); Be respectively arranged with location ball (47) on the gun rack (10) of welding gun (14) both sides.

7, a kind of circular seam welding machine for fixed pipes according to claim 1 is characterized in that the gun rack (10) of carrier bar (18) is provided with silk supplying machine (16), defectoscope (9).

8, a kind of circular seam welding machine for fixed pipes according to claim 7 is characterized in that providing welding rod by the wire feed dish (22) of silk supplying machine (16); Welding gun (14) is fixed on the axle (25) of connecting rod (24) of angulator (23); Welding gun (14) can be around the angle of angulator (23) conversion welding gun (14).

9, a kind of circular seam welding machine for fixed pipes according to claim 1 is characterized in that the longitudinal rack (17) on the same carrier bar of gear (26) (18) of gun rack (10) is meshed, and the same handle of gear (26) (8) links to each other.

10, a kind of circular seam welding machine for fixed pipes according to claim 1, screw rod (53) top that it is characterized in that supporting mechanism (20) is for adjusting handle (54), and the axle (51) of screw rod (53) bottom is provided with V shape iron (50); The both sides of supporting mechanism (20) are provided with the locating hole (52) that can be fixed in processed pipeline (19).