CN205008727U - Gas shielded arc welding water -cooling jacket - Google Patents

Gas shielded arc welding water -cooling jacket Download PDF

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Publication number
CN205008727U
CN205008727U CN201520664314.1U CN201520664314U CN205008727U CN 205008727 U CN205008727 U CN 205008727U CN 201520664314 U CN201520664314 U CN 201520664314U CN 205008727 U CN205008727 U CN 205008727U
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CN
China
Prior art keywords
arc welding
inner sleeve
water
gas shielded
shielded arc
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Expired - Fee Related
Application number
CN201520664314.1U
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Chinese (zh)
Inventor
罗文虎
王道根
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Sichuan Yulong Steel Pipe Co Ltd
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Sichuan Yulong Steel Pipe Co Ltd
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Priority to CN201520664314.1U priority Critical patent/CN205008727U/en
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Publication of CN205008727U publication Critical patent/CN205008727U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a welding equipment technical field especially relates to a gas shielded arc welding water -cooling jacket. The utility model discloses a gas shielded arc welding water -cooling jacket's endotheca suit is outside welder head in advance, and the rear end of endotheca is connected with welder head in advance, the outside of cover including the sealed suit of overcoat to form the water cavity between overcoat and endotheca, the inner wall of endotheca enlarges certain angle setting after by forward. The water cavity that this gas shielded arc welding water -cooling jacket formed between through endotheca and overcoat welds the cooling to the head of welder in advance of suit within the endotheca, and pass through the expansion setting of the inner wall of endotheca, form the horn mouth, thereby it splashes the sediment and sticks the inner wall of endotheca very fast all over and drop in a large number to avoid mixing gas shielded arc welding's metal, the boss is set up to outer wall through at the endotheca, with the outer wall thickness that increases the endotheca, thereby prevent that the welding seam from leaking, satisfy the mixed gas shielded arc welding's of JCOE steel pipe prewelding normal clear.

Description

A kind of gas shielded arc welding water(-cooling) jacket
Technical field
The utility model relates to technical field of welding equipment, particularly relates to a kind of gas shielded arc welding water(-cooling) jacket.
Background technology
In pipeline construction, long oil and gas pipeline is just towards heavy caliber, high pressure conveying and submarine pipeline wall thickening future development, and increasing pipeline requirements adopts longitudinal submerged arc welded pipe.
Straight-seam double-sided submerged-arc welding steel pipe can be divided into high-frequency straight seam steel pipe and submerged-arc welding steel pipes with straight by production technology, and submerged-arc welding steel pipes with straight is divided into again UOE, RBE, JCOE steel pipe etc. by its different molding mode.Wherein, JCOE is one of molding mode of straight-seam double-sided submerged-arc welding steel pipe.The surfaces externally and internally of JCOE steel pipe should be smooth, do not allow folding, crack, layering, joint welding, current interruption, to burn and local defect that other degree of depth exceed wall thickness lower deviation exists.
Prewelding is the welding procedure part of longitudinal submerged arc welded pipe, and one-tenth groove part carries out " shallow weld " along total length by it, is one of special procedure during longitudinal submerged arc welded pipe is produced.Modern pre-welding technology have employed continuous print, gas shielded arc welding mode at a high speed and seam laser and follows the tracks of, and weldering speed is high, and welding bead is shaping straight attractive in appearance.
Be that the pipe embryo after shaping for the pre-bending of preceding working procedure is carried out joint close in the prewelding work of current JCOE steel pipe, adopt the welding of mixed gas arc welding technique back cover simultaneously, to ensure normally carrying out of Lincoln weld subsequently.But the gas shield coolant jacket of former prewelding system has two large problems: 1, coolant jacket internal diameter only has 30mm, coolant jacket inwall is same diameter to coolant jacket lower port, the splatter slag of mixed gas arc welding sticks coolant jacket inwall very soon all over and bulk drops, and causes mixed gas arc welding normally to carry out; 2, coolant jacket is without seal welding groove amount, and just seal thinly by lead-tin soldering method, when mixed gas arc welding temperature raises, coolant jacket just leaks, and causes mixed gas arc welding normally to carry out.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model solves in the gas shield coolant jacket of former prewelding system, and the splatter slag of mixed gas arc welding sticks coolant jacket inwall very soon all over and bulk drops, and water problem is leaked in coolant jacket commissure.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of gas shielded arc welding water(-cooling) jacket, comprises jacket and inner sleeve, and described inner sleeve is set in outside pre-arc welding gun head, and the rear end of described inner sleeve is connected with described pre-arc welding gun head; Described overcoat sealing shroud is contained in the outside of described inner sleeve, and forms water cavity between described jacket and inner sleeve, and the inwall of described inner sleeve expands certain angle setting before backward.
Wherein, the outer wall of described inner sleeve rear end is provided with a boss, and one end of described boss and described overcoat is tightly connected, and the other end of described overcoat is connected with the forward end seal of described inner sleeve.
Wherein, the inwall of described inner sleeve is more than or equal to 10 ° by the backward front angle expanded, and is less than 45 °.
Wherein, the rear end of described inner sleeve is also provided with for the buckle with described pre-arc welding gun head clamping.
Wherein, on the outer wall being arranged at the rear end of described inner sleeve that described buckle is relative.
Wherein, described outer putting also is communicated with respectively for being introduced by cooling water and drawing water inlet pipe and the outlet pipe of described water cavity.
Wherein, described outer putting is respectively equipped with inlet opening and apopore, and described inlet opening is positioned at the rear end of described apopore, and described water inlet pipe is communicated with described overcoat with apopore respectively by described inlet opening with outlet pipe.
Wherein, described overcoat is connected by welded seal with inner sleeve.
Wherein, the weld of described overcoat and inner sleeve is equipped with chamfering.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the inner sleeve of gas shielded arc welding water(-cooling) jacket of the present utility model is set in outside pre-arc welding gun head, and the rear end of inner sleeve is connected with pre-arc welding gun head; Overcoat sealing shroud is contained in the outside of inner sleeve, and forms water cavity between jacket and inner sleeve, and the inwall of inner sleeve expands certain angle setting before backward.Cooling when this gas shielded arc welding water(-cooling) jacket is welded the pre-arc welding gun head be sleeved within inner sleeve by the water cavity formed between inner sleeve and overcoat; and arranged by the expansion of the inwall of inner sleeve; form horn mouth; thus avoid the splatter slag of mixed gas arc welding stick the inwall of inner sleeve very soon all over and drop in a large number; boss is set up by the outer wall in inner sleeve; to increase the outer wall thickness of inner sleeve, thus prevent weld seam from leaking, meet normally carrying out of JCOE steel pipe prewelding mixed gas arc welding.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gas shielded arc welding water(-cooling) jacket of the utility model embodiment;
Fig. 2 is the A place partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the inner sleeve of the utility model embodiment;
Fig. 4 is that the B of Fig. 3 is to structural representation;
Fig. 5 is the echelon sectional view of the overcoat of the utility model embodiment;
Fig. 6 is that the C of Fig. 5 is to structural representation.
Wherein, 1, overcoat; 11, chamfering; 2, inner sleeve; 21, boss; 22, buckle; 3, water inlet pipe; 4, outlet pipe; 5, inlet opening; 6, apopore.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figure 1, the inner sleeve 2 of the gas shielded arc welding water(-cooling) jacket described in the present embodiment is set in outside pre-arc welding gun head, and the rear end of inner sleeve 2 is connected with pre-arc welding gun head, when this gas shielded arc welding water(-cooling) jacket is sleeved on outside pre-arc welding gun head, be oriented front end with the rifle head relative to pre-arc welding gun head, otherwise be rear end, overcoat 1 sealing shroud of this gas shielded arc welding water(-cooling) jacket is contained in the outside of inner sleeve 2, and water cavity is formed between overcoat 1 and inner sleeve 2, the inwall of inner sleeve 2 expands certain angle setting before backward, cooling when being welded by the rifle head part of water cavity to the pre-arc welding gun head be sleeved within inner sleeve 2 formed between inner sleeve 2 and overcoat 1, and because the inwall of inner sleeve 2 is by backward front expansion setting, the inwall of inner sleeve 2 is made to form horn mouth before backward, thus avoid the splatter slag of mixed gas arc welding stick the inwall of inner sleeve 2 very soon all over and drop in a large number, to meet normally carrying out of JCOE steel pipe prewelding mixed gas arc welding.
In order to the weld seam of the junction preventing inner sleeve 2 and overcoat 1 leaks, a boss 21 is provided with at the outer wall of the rear end of inner sleeve 2, boss 21 is tightly connected with one end of overcoat 1, the other end of overcoat 1 is connected with the forward end seal of inner sleeve 2, by setting up boss 21 at the outer wall of inner sleeve 2, to increase the outer wall thickness of inner sleeve 2, make the connection between inner sleeve 2 and overcoat 1 more reliable, and ensure the structural design advantages of simple of water cavity.
As shown in Figure 2, in order to the horn mouth making the inwall of inner sleeve 2 be formed can be good at carrying out cooling processing to pre-arc welding gun head, and effectively preventing splatter slag from sticking the inwall of inner sleeve all over further, the inwall of preferred inner sleeve 2 is more than or equal to 10 ° by the backward front angle expanded, and is less than 45 °.
As shown in Figure 3, Figure 4; in order to ensure that this gas shielded arc welding water(-cooling) jacket is connected with the reliable of pre-arc welding gun head; also be provided with in the rear end of inner sleeve 2 for the buckle 22 with pre-arc welding gun head clamping; in the present embodiment; what buckle 22 was relative is arranged on the outer wall of the rear end of inner sleeve 2, can be connected in the inner card cage of the junction of pre-arc welding gun head.
It should be noted that; in the present embodiment, inner sleeve 2 and the connected mode of pre-arc welding gun head are except adopting the mode of buckle 22 clamping; other connected modes can also be adopted; as being threaded; inner sleeve 2 and pre-arc welding gun head compact siro spinning technology is made, to ensure that this gas shielded arc welding water(-cooling) jacket can be sleeved on the rifle head of pre-arc welding gun head outward reliably as long as meet.
As shown in Figure 5, Figure 6; in order to ensure the water-cooled effect of this gas shielded arc welding water(-cooling) jacket; overcoat 1 is also communicated with respectively for cooling water being led in/out by the water inlet pipe 3 of the water cavity formed between overcoat 1 and inner sleeve 2 and outlet pipe 4; cooling water enters in water cavity by water inlet pipe 3; carry out cooling down when welding to pre-arc welding gun head, the water that temperature rises flows out from water cavity via outlet pipe 4.
In order to ensure that cooling water can be back to back water cavity, be respectively equipped with inlet opening 5 and apopore 6 on the coat, inlet opening 5 is positioned at the rear end of apopore 6, water inlet pipe 3 is communicated with overcoat 1 with apopore 6 respectively by inlet opening 5 with outlet pipe 4, when using pre-arc welding gun head to weld, cooling water can enter in water cavity by water inlet pipe 3 through inlet opening 5 by Action of Gravity Field continuously, and temperature is flowed into outlet pipe 4 in water cavity by apopore 6 after rising.
In order to ensure that overcoat 1 is reliable with the sealing of inner sleeve 2, prevent from leaking, in the present embodiment, overcoat 1 is connected by welded seal with inner sleeve 2, and in order to the weld seam welded firmly attractive in appearance, be equipped with chamfering 11 at the weld of overcoat 1 and inner sleeve 2.
In sum, the inner sleeve 2 of the gas shielded arc welding water(-cooling) jacket of the present embodiment is set in outside pre-arc welding gun head, and the rear end of inner sleeve 2 is connected with pre-arc welding gun head; Overcoat 1 sealing shroud is contained in the outside of inner sleeve 2, and forms water cavity between overcoat 1 and inner sleeve 2, and the inwall of inner sleeve 2 expands certain angle setting before backward.Cooling when this gas shielded arc welding water(-cooling) jacket is welded the pre-arc welding gun head be sleeved within inner sleeve 2 by the water cavity formed between inner sleeve 2 and overcoat 1; and arranged by the expansion of the inwall of inner sleeve 2; form horn mouth; thus avoid the splatter slag of mixed gas arc welding stick the inwall of inner sleeve 2 very soon all over and drop in a large number; by setting up boss at the outer wall of inner sleeve 2; to increase the outer wall thickness of inner sleeve 2; thus prevent weld seam from leaking, meet normally carrying out of JCOE steel pipe prewelding mixed gas arc welding.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.

Claims (9)

1. a gas shielded arc welding water(-cooling) jacket, it is characterized in that, comprise overcoat (1) and inner sleeve (2), described inner sleeve (2) is set in outside pre-arc welding gun head, and the rear end of described inner sleeve (2) is connected with described pre-arc welding gun head; Described overcoat (1) sealing shroud is contained in the outside of described inner sleeve (2), and water cavity is formed between described overcoat (1) and inner sleeve (2), the inwall of described inner sleeve (2) expands certain angle setting before backward.
2. gas shielded arc welding water(-cooling) jacket according to claim 1; it is characterized in that; the outer wall of described inner sleeve (2) rear end is provided with a boss (21); described boss (21) is tightly connected with one end of described overcoat (1), and the other end of described overcoat (1) is connected with the forward end seal of described inner sleeve (2).
3. gas shielded arc welding water(-cooling) jacket according to claim 1, is characterized in that, the inwall of described inner sleeve (2) is more than or equal to 10 ° by the backward front angle expanded, and is less than 45 °.
4. gas shielded arc welding water(-cooling) jacket according to claim 1, is characterized in that, the rear end of described inner sleeve (2) is also provided with for the buckle (22) with described pre-arc welding gun head clamping.
5. gas shielded arc welding water(-cooling) jacket according to claim 4, is characterized in that, what described buckle (22) was relative is arranged on the outer wall of the rear end of described inner sleeve (2).
6. gas shielded arc welding water(-cooling) jacket according to claim 1, is characterized in that, described overcoat (1) is also communicated with respectively for being introduced by cooling water and drawing water inlet pipe (3) and the outlet pipe (4) of described water cavity.
7. gas shielded arc welding water(-cooling) jacket according to claim 6; it is characterized in that; described overcoat (1) is respectively equipped with inlet opening (5) and apopore (6); described inlet opening (5) is positioned at the rear end of described apopore (6), and described water inlet pipe (3) is communicated with described overcoat (1) with apopore (6) respectively by described inlet opening (5) with outlet pipe (4).
8. the gas shielded arc welding water(-cooling) jacket according to any one of claim 1-7, is characterized in that, described overcoat (1) is connected by welded seal with inner sleeve (2).
9. gas shielded arc welding water(-cooling) jacket according to claim 8, is characterized in that, described overcoat (1) is equipped with chamfering (11) with the weld of inner sleeve (2).
CN201520664314.1U 2015-08-28 2015-08-28 Gas shielded arc welding water -cooling jacket Expired - Fee Related CN205008727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520664314.1U CN205008727U (en) 2015-08-28 2015-08-28 Gas shielded arc welding water -cooling jacket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520664314.1U CN205008727U (en) 2015-08-28 2015-08-28 Gas shielded arc welding water -cooling jacket

Publications (1)

Publication Number Publication Date
CN205008727U true CN205008727U (en) 2016-02-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486655A (en) * 2017-08-21 2017-12-19 杭州同创顶立机械有限公司 A kind of jointed shaft post annealing area control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486655A (en) * 2017-08-21 2017-12-19 杭州同创顶立机械有限公司 A kind of jointed shaft post annealing area control device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160203

Termination date: 20180828