CN207255428U - New titanium tube welding protection cover - Google Patents

New titanium tube welding protection cover Download PDF

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Publication number
CN207255428U
CN207255428U CN201721363973.7U CN201721363973U CN207255428U CN 207255428 U CN207255428 U CN 207255428U CN 201721363973 U CN201721363973 U CN 201721363973U CN 207255428 U CN207255428 U CN 207255428U
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CN
China
Prior art keywords
cover body
shunting net
layer shunting
cover
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721363973.7U
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Chinese (zh)
Inventor
丁光柱
胡传华
李世会
刑增为
崔晓光
陈东旭
孙松涛
王许永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Electrical Construction Group Henan Engineering Co Ltd
Original Assignee
China Electrical Construction Group Henan Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by China Electrical Construction Group Henan Engineering Co Ltd filed Critical China Electrical Construction Group Henan Engineering Co Ltd
Priority to CN201721363973.7U priority Critical patent/CN207255428U/en
Application granted granted Critical
Publication of CN207255428U publication Critical patent/CN207255428U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of new titanium tube welding protection cover; including cover body, gas-guide tube, first layer shunting net, second layer shunting net, exhaust pipe and back cover; the cover body, first layer shunting net and second layer shunting net are arc-shaped structure, apart have certain distance between three;Circular welding position hole, the gas port of 10mm and the exhausting-gas hole of 6mm that diameter is respectively 20mm are provided with cover body, the gas port is located at the middle part of cover body upper end, and welding position hole and exhausting-gas hole are located at the end of cover body both sides respectively;Cover body and the back cover plug-in type is engaged, and is formed an airtight space inner cavity after coordinating assembling, is realized the welding protection in the range of a fixed-caliber.The utility model is simple in structure, is operated easy to weld, and a stable inertia gas chamber is formed in welding process and can effectively prevent air intrusion molten bath and weld seam high-temperature region, improves titanium tube quality of weld joint.

Description

New titanium tube welding protection cover
Technical field:
A kind of titanium tube welder is the utility model is related to, more particularly to a kind of new titanium tube welding protection cover, is belonged to Titanium tube welds technical field of auxiliary facilities.
Background technology:
Titanium or titanium alloy is very strong to the absorbability of hydrogen in welding, with the hydrogen declined in molten pool metal of bath temperature Often have little time precipitation and form hydrogen blistering.Quickly inhale hydrogen when titanium or titanium alloy is more than 300 DEG C, quick oxygen uptake at more than 450 DEG C, Nitrogen can be quickly inhaled at more than 600 DEG C.After these gases are invaded in molten bath, the plasticity and toughness of welding point can all occur substantially Change, particularly exist for a long time more than 882 DEG C, the serious coarsening of connector crystal grain, when cooling forms martensitic structure, makes Strength of joint, hardness, plasticity and toughness decline, and overheat tendency is serious, connector serious embrittlement.
Therefore, when carrying out titanium alloy welding, to molten bath, molten drop and high-temperature region, either front or reverse side all should be into The stringent air insulated of row, and suitably accelerate the cooling of weld dimensions.
Utility model content:
The technical problem to be solved by the utility model is to:Solve in the construction of titanium tube site welding existence conditions not Foot, there is provided a kind of new titanium tube welding protection cover, can weld titanium tube and effectively protect and cool down.
The utility model is achieved through the following technical solutions:
A kind of new titanium tube welding protection cover, including cover body, gas-guide tube, first layer shunting net, second layer shunting net, exhaust Pipe and back cover, the cover body, first layer shunting net and second layer shunting net are arc-shaped structure, are apart had between three certain Distance;Be provided with the cover body diameter be respectively the circular welding position hole of 20mm, 10mm gas port and 6mm exhaust Hole, the gas port are located at the middle part of cover body upper end, and welding position hole and exhausting-gas hole are located at the end of cover body both sides respectively;Institute State cover body and back cover plug-in type is engaged, both form a circular space.
2/3 circular arc that the cover body is made by 1.0mm thickness stainless steel plates, arc diameter 180mm.
The gas-guide tube is formed by a straight tube and two elbow pipe weldings, and straight tube is guide pipeline, crosses the air guide on cover body Hole and hose are connected with extraneous argon bottle;The circular hole of several a diameter of 2mm is offered on two bend pipe surfaces, it is adjacent Camber line distance between two circular holes is 5mm, and circular hole is uniformly distributed in bend pipe upper surface, bend pipe upper surface and the inner surface of the cover body At a distance of 5~10mm.
The first layer shunting net is arc, is made by 1.0mm Stainless Steel plates, under its upper surface and gas-guide tube bend pipe Surface is in contact, the circular hole of several a diameter of 4mm is offered on first layer shunting net, and the camber line distance of adjacent two circular hole is 3mm, is uniformly distributed on first layer shunting net, and the both ends of first layer shunting net are fixedly welded on the inner wall of the cover body.
The second layer shunting net is arc, is made by 1.2mm stainless steel plates, with first layer shunting net at a distance of 5mm, Offer the circular hole of a diameter of 2mm on second layer shunting net, the camber line distance of adjacent two circular hole is 2mm, is uniformly distributed in the On two layers of shunting net, the both ends of second layer shunting net are fixedly welded on the inner wall of the cover body.
Described exhaust pipe one end is through the cover body and first layer shunting net, away from second layer shunting net at a distance of 2mm, the other end By hose with being connected inside titanium tube.
1/3 circular arc that the back cover is made by 1.0mm thickness stainless steel plates, a diameter of 180mm, the back cover with it is described Cover body coordinates assembling to form a circular inner space.
Operating process of the utility model in practice is as follows:
(1) protective cover cover body is placed at titanium tube welding, back cover is engaged with cover body and contacts, and will be wrapped with masking foil at cooperation Wrap and cover tightly reality;
(2) the gap that titanium tube and protective cover two sides junction are formed is wrapped up with masking foil tight;
(3) exhaust pipe is blocked before welding, protective cover intracavitary is full of by argon gas by gas-guide tube, when welding temperature reaches Exhaust pipe is opened in one timing;
(4) a people carries out weld seam at welding hole welding in welding process, and a people follows the progress of welding, dragging welding Protective cover is rotated along titanium tube circumferencial direction;
(5) it is with masking foil that covering at the position of welding hole is tight after the completion of the welding of per pass weld seam, when weld seam is cooled to certain temperature Masking foil carries out down one of weld seam welding at Shi Xiekai weldings hole.
The utility model forms an airtight space inner cavity by the cooperation assembling of cover body and back cover, realizes in a fixed-caliber In the range of welding protection.
The utility model is simple in structure, is operated easy to weld, and a stable inertia gas chamber is formed in welding process to be had Effect prevents air intrusion molten bath and weld seam high-temperature region, improves titanium tube quality of weld joint.
Brief description of the drawings:
Fig. 1 is the new structure diagram of the utility model;
Fig. 2 is the structure diagram of gas-guide tube in Fig. 1;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is the structure diagram of first layer shunting net in Fig. 1;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the top view of Fig. 5;
Fig. 8 is the structure diagram of second layer shunting net in Fig. 1;
Fig. 9 is the side view of Fig. 8;
Figure 10 is the top view of Fig. 8;
Figure 11 is the structure diagram of back cover in Fig. 1;
Figure 12 is the side view of Figure 11;
Figure 13 is the top view of Figure 11;
Figure 14 is the dimensional structure diagram of the utility model.
Embodiment:
The utility model is made further explanation with specific embodiment below in conjunction with the accompanying drawings:
Referring to Fig. 1~Figure 14, a kind of new titanium tube welding protection cover, including cover body 1, gas-guide tube 2, first layer shunting net 3, Second layer shunting net 4, exhaust pipe 5 and back cover 6, the cover body 1, first layer shunting net 3 and second layer shunting net 4 are arc-shaped Structure, apart has certain distance between three;It is respectively the circular welding position hole of 20mm, 10mm that diameter is provided with cover body 1 Gas port and 6mm exhausting-gas hole, gas port is located at the middle part of cover body upper end, and welding position hole and exhausting-gas hole are located at cover body two respectively The end of side;Cover body 1 and 6 plug-in type of back cover are engaged, both form a circular space.
The cover body 1 is 2/3 circular arc being made by 1.0mm thickness stainless steel plates, arc diameter 180mm.
The gas-guide tube 2 is formed by a straight tube and two elbow pipe weldings, and straight tube is guide pipeline, by cover body 1 Gas port and hose are connected with extraneous argon bottle;The circular hole of several a diameter of 2mm is offered on two bend pipe surfaces, Camber line distance between adjacent two circular hole is 5mm, and circular hole is uniformly distributed in bend pipe upper surface, and bend pipe upper surface is interior with the cover body Surface is at a distance of 5~10mm.
The first layer shunting net 3 is arc, is made by 1.0mm Stainless Steel plates, its upper surface and gas-guide tube bend pipe Lower surface is in contact, and offers the circular hole of several a diameter of 4mm on first layer shunting net 3, the camber line of adjacent two circular hole away from From for 3mm, it is uniformly distributed on first layer shunting net 3, the both ends of first layer shunting net 3 are fixedly welded on the inner wall of cover body 1.
The second layer shunting net 4 is arc, is made by 1.2mm stainless steel plates, with first layer shunting net 3 apart 5mm, offers the circular hole of a diameter of 2mm, the camber line distance of adjacent two circular hole is 2mm, is uniformly distributed on second layer shunting net 4 In on second layer shunting net 4, the both ends of second layer shunting net 4 are fixedly welded on the inner wall of cover body 1.
Described 5 one end of exhaust pipe is through cover body 1 and first layer shunting net 3, away from second layer shunting net 4 at a distance of 2mm, the other end By hose with being connected inside titanium tube.
1/3 circular arc that the back cover 6 is made by 1.0mm thickness stainless steel plates, a diameter of 180mm, back cover 6 and cover body 1 Assembling is coordinated to form a circular inner space.
Operating process of the utility model in practice is as follows:
(1) protective cover cover body 1 is placed at titanium tube welding, back cover 6 is engaged with cover body 1 and contacts, with masking foil by cooperation Parcel covering is tight;
(2) the gap that titanium tube and protective cover two sides junction are formed is wrapped up with masking foil tight;
(3) exhaust pipe is blocked before welding, protective cover intracavitary is full of by argon gas by gas-guide tube, when welding temperature reaches Exhaust pipe is opened in one timing;
(4) a people carries out weld seam at welding hole welding in welding process, and a people follows the progress of welding, dragging welding Protective cover is rotated along titanium tube circumferencial direction;
(5) it is with masking foil that covering at the position of welding hole is tight after the completion of the welding of per pass weld seam, when weld seam is cooled to certain temperature Masking foil carries out down one of weld seam welding at Shi Xiekai weldings hole.
The utility model forms an airtight space inner cavity by the cooperation assembling of cover body 1 and back cover 6, realizes in a fixed tube Welding protection in the range of footpath.
The utility model is simple in structure, is operated easy to weld, and a stable inertia gas chamber is formed in welding process to be had Effect prevents air intrusion molten bath and weld seam high-temperature region, improves titanium tube quality of weld joint.

Claims (7)

  1. A kind of 1. new titanium tube welding protection cover, it is characterised in that:The new titanium tube welding protection cover includes cover body(1), lead Tracheae(2), first layer shunting net(3), second layer shunting net(4), exhaust pipe(5)And back cover(6), the cover body(1), first layer Shunting net(3)With second layer shunting net(4)It is arc-shaped structure, apart has certain distance between three;The cover body(1)On Circular welding position hole, the gas port of 10mm and the exhausting-gas hole of 6mm that diameter is respectively 20mm are provided with, the gas port is positioned at cover The middle part of body upper end, welding position hole and exhausting-gas hole are located at the end of cover body both sides respectively;The cover body(1)And back cover(6) Plug-in type is engaged, both form a circular space.
  2. 2. new titanium tube welding protection cover according to claim 1, it is characterised in that:The cover body(1)It is thick by 1.0mm 2/3 circular arc that stainless steel plate is made, arc diameter 180mm.
  3. 3. new titanium tube welding protection cover according to claim 1, it is characterised in that:The gas-guide tube(2)It is straight by one Pipe and two elbow pipe weldings form, and the straight tube is guide pipeline, passes through cover body(1)On gas port and hose and extraneous argon Gas cylinder is connected;Offer the circular hole of several a diameter of 2mm on two bend pipe surfaces, the camber line distance between adjacent two circular hole For 5mm, circular hole is uniformly distributed in bend pipe upper surface, bend pipe upper surface and the cover body(1)Inner surface at a distance of 5~10mm.
  4. 4. new titanium tube welding protection cover according to claim 1, it is characterised in that:The first layer shunting net(3)For Arc, is made by 1.0mm Stainless Steel plates, its upper surface is in contact with gas-guide tube bend pipe lower surface, in first layer shunting net (3)On offer the circular hole of several a diameter of 4mm, the camber line distance of adjacent two circular hole be 3mm, is uniformly distributed in first layer and divides Drift net(3)On, first layer shunting net(3)Both ends be fixedly welded on the cover body(1)Inner wall on.
  5. 5. new titanium tube welding protection cover according to claim 1, it is characterised in that:The second layer shunting net(4)For Arc, is made by 1.2mm stainless steel plates, with first layer shunting net(3)At a distance of 5mm, in second layer shunting net(4)On open up There is the circular hole of a diameter of 2mm, the camber line distance of adjacent two circular hole is 2mm, is uniformly distributed in second layer shunting net(4)On, second Layer shunting net(4)Both ends be fixedly welded on the cover body(1)Inner wall on.
  6. 6. new titanium tube welding protection cover according to claim 1, it is characterised in that:The exhaust pipe(5)One end passes through The cover body(1)With first layer shunting net(3), away from second layer shunting net(4)At a distance of 2mm, the other end passes through in hose and titanium tube Portion is connected.
  7. 7. new titanium tube welding protection cover according to claim 1, it is characterised in that:The back cover(6)By 1.0mm thickness not 1/3 circular arc that rust steel plate is made, a diameter of 180mm, the back cover(6)With the cover body(1)Assembling is coordinated to form a circle Shape inner space.
CN201721363973.7U 2017-10-23 2017-10-23 New titanium tube welding protection cover Expired - Fee Related CN207255428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721363973.7U CN207255428U (en) 2017-10-23 2017-10-23 New titanium tube welding protection cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721363973.7U CN207255428U (en) 2017-10-23 2017-10-23 New titanium tube welding protection cover

Publications (1)

Publication Number Publication Date
CN207255428U true CN207255428U (en) 2018-04-20

Family

ID=61918119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721363973.7U Expired - Fee Related CN207255428U (en) 2017-10-23 2017-10-23 New titanium tube welding protection cover

Country Status (1)

Country Link
CN (1) CN207255428U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112975052A (en) * 2021-03-04 2021-06-18 中国十九冶集团有限公司 Tube plate welding protection device and tube plate welding method
CN114248047A (en) * 2021-12-03 2022-03-29 渤海造船厂集团有限公司 Flexible continuous clean welding back gas protection device
CN114310133A (en) * 2022-02-23 2022-04-12 中船黄埔文冲船舶有限公司 Straight titanium pipe welding auxiliary device
CN114406541A (en) * 2022-02-11 2022-04-29 中船黄埔文冲船舶有限公司 Titanium pipe elbow welding safety cover device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112975052A (en) * 2021-03-04 2021-06-18 中国十九冶集团有限公司 Tube plate welding protection device and tube plate welding method
CN114248047A (en) * 2021-12-03 2022-03-29 渤海造船厂集团有限公司 Flexible continuous clean welding back gas protection device
CN114406541A (en) * 2022-02-11 2022-04-29 中船黄埔文冲船舶有限公司 Titanium pipe elbow welding safety cover device
CN114310133A (en) * 2022-02-23 2022-04-12 中船黄埔文冲船舶有限公司 Straight titanium pipe welding auxiliary device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180420