CN202684287U - Automatic submerged arc overlay welding device for saddle-shaped large adapter inner circular seam strip electrode - Google Patents

Automatic submerged arc overlay welding device for saddle-shaped large adapter inner circular seam strip electrode Download PDF

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Publication number
CN202684287U
CN202684287U CN 201220360701 CN201220360701U CN202684287U CN 202684287 U CN202684287 U CN 202684287U CN 201220360701 CN201220360701 CN 201220360701 CN 201220360701 U CN201220360701 U CN 201220360701U CN 202684287 U CN202684287 U CN 202684287U
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China
Prior art keywords
square steel
slide rail
saddle
bracing frame
welding
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Expired - Lifetime
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CN 201220360701
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Chinese (zh)
Inventor
杨松
姚明慧
孙国辉
王莉
徐祥久
沈诗颂
李向国
韩君
王舒伟
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Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Abstract

The utility model relates to an automatic submerged arc overlay welding device for a saddle-shaped large adapter inner circular seam strip electrode. Square steel is assembled into a supporting frame in adapter and cylinder orthogonal equipment; telescopic supporting mechanisms are arranged at the two ends of the supporting frame; sliding rails are arranged on the supporting frame; and the sliding rails can slide along the length direction of the supporting frame and can be locked. A welding head and a welding walking system are introduced into the equipment and are arranged on a hanging arm of the supporting frame; and a welding power supply and a welding control system are connected outside the equipment, so that the automatic submerged arc overlay welding device for the saddle-shaped large adapter inner circular seam strip electrode is realized in the equipment. The device has a simple structure, and is convenient to operate and applicable to the overlay welding of a saddle-shaped inner circular seam; and the problems that the welding quality is not easily ensured and the production efficiency is low when manual welding rod electric arc welding is performed in a closed container are solved effectively.

Description

Circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle
Technical field
The utility model relates to build-up welding apparatus, is specifically related to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle.
Background technology
The AP1000 Core makeup tank is one of third generation pressurized-water reactor nuclear power plant nuclear island primary device, and its primary structure comprises cylindrical shell, end socket, entrance sleeve, discharge connection and manhole connecting pipe etc.Wherein, manhole connecting pipe passes through mutually with the cylindrical shell quadrature, and circumferential weld place is the shape of a saddle and built-up welding austenitic stainless steel in it.
For the built-up welding at circumferential weld place in this type of closed container shape of a saddle, the same industry all adopts the stick electrode arc welding both at home and abroad.Although the method has the advantages such as flexible operation, strong adaptability and accessibility are good, production efficiency is low, and the welding operation environment is abominable, is prone to the weld defect that causes owing to the manual operation factor.
Comparatively speaking, the characteristics such as band utmost point automatical hidden arc overlay welding has the deposition efficiency height, welding process is relatively stable and working condition is good are comparatively desirable welding methods.Utilize the relevant report that realizes circumferential weld built-up welding in the large adapter of the closed container shape of a saddle with utmost point automatical hidden arc overlay welding but not yet have at present.
The utility model content
In view of above-mentioned present situation, the inventor has carried out with keen determination research, found that, at adapter and cylindrical shell quadrature device interior square steel is assembled into bracing frame, at bracing frame slide rail is installed, and slide rail can slide along the bracing frame length direction, can lock.Welding head and welding running gear are introduced device interior and be installed on the bracing frame upper arm, at device external connecting welding power supply and welding control system, thereby circumferential weld band utmost point automatical hidden arc overlay welding in device interior has been realized the large adapter of the shape of a saddle, and then finish the utility model.
The purpose of this utility model is to provide following aspect:
(1) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of a kind of shape of a saddle, it is characterized in that, this device comprises two bracing frame square steel (1) that be arranged in parallel, square steel (6) is set between bracing frame square steel (1), square steel (6) is fastened on the bracing frame square steel (1) by connecting plate (7), at bracing frame square steel (1) slide rail (12) is set, by draw-in groove (11) two parallel slide rail square steel (8) are set at slide rail (12), at slide rail square steel (8) slide rail (10) is set, by draw-in groove (11) two parallel slide rail square steel (9) are set at slide rail (10)
In slide rail (10) and below, slide rail square steel (9) intersection bracing frame upper arm (13) is installed, in bracing frame upper arm (13) cross balladeur train (14) is installed, in the vertical part of cross balladeur train (14) welding head is installed,
At bracing frame square steel (1) two ends retractable supports mechanism is set, this mechanism comprises the screw thick stick (2) that is arranged at bracing frame square steel (1) two ends, screw thick stick (2) outer end links to each other with gripper shoe (4) by multi-directional ball (3), and gripper shoe (4) is fixed on the insulated electro plank (5).
(2) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1), it is characterized in that, slide rail (12) and slide rail (10) are I-steel, and its bottom side wing plate is individually fixed on bracing frame square steel (1) and the slide rail square steel (8) by bolt.
(3) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1), it is characterized in that, draw-in groove (11) one ends are provided with through hole, draw-in groove (11) is nested on the top side wing plate of slide rail (12) or slide rail (10), the side of draw-in groove (11) welding slide rail square steel (8) or slide rail square steel (9).
(4) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1) is characterized in that gripper shoe (4) is processed into the indent hemispherical with the center of the relative side of multi-directional ball (3).
(5) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1) is characterized in that the screw thick stick overcoat (21) of therein turn of screw thick stick (2) is bolted in bracing frame square steel (1) two ends.
(6) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1) is characterized in that, square steel (6) is bolted with connecting plate (7), and connecting plate (7) is bolted with bracing frame square steel (1).
(7) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1), it is characterized in that, at slide rail square steel (8) and slide rail square steel (9) retaining mechanism is set, slide rail square steel (8) and slide rail square steel (9) are lock onto respectively on slide rail (12) and the slide rail (10).
(8) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (7) is characterized in that, at slide rail square steel (8) and slide rail square steel (9) the afflux hub is installed, and by the afflux hub source of welding current electrode line is introduced.
(9) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1), it is characterized in that, the horizontal component along continuous straight runs of cross balladeur train (14) is provided with the different through hole in a plurality of positions, this through hole and bracing frame upper arm (13) bottom are bolted, the through hole that choice for use is different, the position of adjusting along continuous straight runs.
(10) circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle described in above-mentioned (1) is characterized in that insulated electro plank (5) is positioned on the product inwall to be welded.
Circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle that provides according to the utility model, be applicable to take over the built-up welding of circumferential weld in the shape of a saddle that passes through mutually with cylindrical shell, effectively solved the difficult assurance welding quality that produces when in closed container, adopting the welding of stick electrode arc welding, the problem that production efficiency is low.This apparatus structure is simple, and is easy to operate, not only guaranteed welding quality, also production efficiency improved 3~4 times.The utility model has adapter for nuclear power, petrochemical industry etc. and provides mutually girth welding in the tankage shape of a saddle of counting structure with cylindrical shell, has important application value.Also filled up simultaneously and adopted the blank that realizes circumferential weld built-up welding in the large adapter of the container shape of a saddle with utmost point automatical hidden arc overlay welding mode.
Description of drawings
Fig. 1 illustrates the structure scheme of installation according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Fig. 2 illustrates the structure scheme of installation according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Fig. 3 illustrates the square steel structural representation according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Fig. 4 illustrates the rail structure schematic diagram according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Fig. 5 illustrates the notch schematic diagram according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Fig. 6 illustrates the welding subregion schematic diagram according to circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle of the utility model preferred embodiment;
Description of reference numerals:
1-bracing frame square steel
2-screw thick stick
The 3-multi-directional ball
The 4-gripper shoe
5-insulated electro plank
6-bracing frame square steel
The 7-connecting plate
8-slide rail square steel
9-slide rail square steel
The 10-slide rail
The 11-draw-in groove
The 12-slide rail
13-bracing frame upper arm
14-cross balladeur train
21-screw thick stick overcoat
The specific embodiment
Below in conjunction with accompanying drawing, further specify the utility model with reference to the preferred exemplary specific embodiment.Characteristics of the present utility model and advantage will become more clear along with these explanations.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although accompanying drawing unless otherwise indicated, needn't be drawn in proportion in the various aspects of embodiment shown in the drawings.
In according to a preferred embodiment of the present utility model, such as Fig. 1-shown in Figure 4, provide circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of a kind of shape of a saddle.
At internal tank, two the bracing frame square steel (1) that be arranged in parallel arrange square steel (6) between bracing frame square steel (1), utilize bolt to be connected and fixed by square steel (6) and connecting plate (7) between the bracing frame square steel (1).
Be bolted at bracing frame square steel (1) slide rail (12) is set, at the nested draw-in groove of slide rail (12) (11), draw-in groove (11) can be slided along slide rail (12), welding arranges two parallel slide rail square steel (8) in draw-in groove (11) side, be bolted at slide rail square steel (8) slide rail (10) is set, at the upper nested draw-in groove (11) of slide rail (10), draw-in groove (11) can be slided along slide rail (10), and the welding of draw-in groove (11) side arranges two parallel slide rail square steel (9).Behind slide rail square steel (8) and the relative circumferential weld of slide rail square steel (9) center centering, be tightened by bolts.
The afflux hub is installed on the retaining mechanism of slide rail square steel (8) and slide rail square steel (9), by the afflux hub source of welding current electrode line is introduced, and bracing frame upper arm (13) is installed thereunder, cross balladeur train (14) is installed on the bracing frame upper arm, adjust the relative position of welding head main shaft and workpiece hole position, the vertical part installation welding head of cross balladeur train (14) by the mode of cross balladeur train fine setting.
In further preferred embodiment, the horizontal component along continuous straight runs of cross balladeur train (14) is provided with the different through hole in a plurality of positions, this through hole and bracing frame upper arm (13) bottom are bolted, the through hole that choice for use is different, the position of adjusting along continuous straight runs.
At bracing frame square steel (1) two ends retractable supports mechanism is set, this mechanism comprises the screw thick stick (2) that is arranged at bracing frame square steel (1) two ends, screw thick stick (2) outer end links to each other with gripper shoe (4) by multi-directional ball (3), gripper shoe (4) is processed into the indent hemispherical with the center of the relative side of multi-directional ball (3), and gripper shoe (4) schedules on the insulated electro plank (5) by bolt.The screw thick stick overcoat (21) of therein turn of screw thick stick (2) is bolted in bracing frame square steel (1) two ends.By rotary screw thick stick (2), can carry out telescopic adjustment.
In further preferred embodiment, insulated electro plank (5) is positioned on the workpiece inwall to be welded, prevents supporting construction damage equipment inner wall surface.During welding, at external container connecting welding power supply and welding control system, be implemented in the welding operation of interior of the container by external control.
In practice, preferably, the cross section length of side of bracing frame square steel (1) is 50~200mm, and length is 1000~6000mm, and uniform Φ 10mm~Φ 30mm through hole on the square steel is used for being connected and fixed with other workpiece;
The diameter of screw thick stick (2) is Φ 60mm~Φ 200mm, and length is 100~500mm;
The diameter of multi-directional ball (3) is 25mm~60mm;
The length of gripper shoe (4) is 60mm~200mm, and width is 60mm~200mm, and thickness is 60mm~200mm, and indent hemisphere is processed in gripper shoe and the multi-directional ball side center that joins, and bulb diameter is 27mm~62mm;
The thickness of insulated electro plank (5) is 5mm~20mm, and length is 100mm~500mm, and width is 100mm~500mm;
The length of side of square steel (6) is 50mm~200mm, and length is 1000mm~3000mm;
The length of connecting plate (7) is 50mm~200mm, and width is 50mm~200mm, and thickness is 20mm~25mm;
The length of side of slide rail square steel (8) is 50mm~200mm, and length is 1000mm~3000mm, the through hole of the upper uniform Φ 10mm of slide rail square steel (8)~Φ 30mm;
The length of side of slide rail square steel (9) is 50mm~200mm, and length is 500mm~5500mm, uniform 10mm on the square steel~Φ 30mm through hole;
Slide rail (12) can adopt 10#, 12#, 14#, 16#, 20#, 26#, 32# I-steel, and length is 500mm~5500mm, and slide rail bottom side wing plate is provided with Φ 10mm~Φ 30mm through hole;
Slide rail (10) can adopt 10#, 12#, 14#, 16#, 20#, 26#, 32# I-steel, and length is 500mm~2500mm, and slide rail bottom side wing plate is provided with Φ 10~Φ 30mm through hole;
The length of draw-in groove (11) is 200mm~300mm, and thickness is 10mm~50mm, and draw-in groove one end is provided with 10mm~Φ 30mm through hole.
Band utmost point automatical hidden arc overlay welding is only applicable to the downhand welding position, and larger saddle drop amount can't guarantee that the built-up welding zone is the downhand welding position everywhere.As shown in Figure 5, the welding track with shape of a saddle built-up welding zone is divided into four sections.Cooperate rotary container by turning rolls, guarantee when each section of built-up welding welding bead, can both to adjust in real time welding region and remain on downhand position in ° scope of level ± 15.
Circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle that provides according to the utility model preferred embodiment, simple in structure, easy to operate, realized circumferential weld band utmost point automatic submerged arc welding welding in the large adapter of the shape of a saddle, not only guaranteed welding quality, production efficiency also obviously improves.
More than by the preferred specific embodiment the utility model has been carried out exemplary explanation.What but need statement is; these specific embodiment only are to illustrative explanation of the present utility model; protection domain of the present utility model is not consisted of any restriction; in the situation that does not exceed the utility model spirit and protection domain; those skilled in the art can carry out various improvement, the of equal value replacement or modification to the utility model technology contents and embodiment thereof, and these all fall in the protection domain of the present utility model.

Claims (10)

1. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle, it is characterized in that, this device comprises two bracing frame square steel (1) that be arranged in parallel, square steel (6) is set between bracing frame square steel (1), square steel (6) is fastened on the bracing frame square steel (1) by connecting plate (7), at bracing frame square steel (1) slide rail (12) is set, by draw-in groove (11) two parallel slide rail square steel (8) are set at slide rail (12), at slide rail square steel (8) slide rail (10) is set, by draw-in groove (11) two parallel slide rail square steel (9) are set at slide rail (10)
In slide rail (10) and below, slide rail square steel (9) intersection bracing frame upper arm (13) is installed, in bracing frame upper arm (13) cross balladeur train (14) is installed, in the vertical part of cross balladeur train (14) welding head is installed,
At bracing frame square steel (1) two ends retractable supports mechanism is set, this mechanism comprises the screw thick stick (2) that is arranged at bracing frame square steel (1) two ends, screw thick stick (2) outer end links to each other with gripper shoe (4) by multi-directional ball (3), and gripper shoe (4) is fixed on the insulated electro plank (5).
2. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1, it is characterized in that, slide rail (12) and slide rail (10) are I-steel, and its bottom side wing plate is individually fixed on bracing frame square steel (1) and the slide rail square steel (8) by bolt.
3. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1, it is characterized in that, draw-in groove (11) one ends are provided with through hole, draw-in groove (11) is nested on the top side wing plate of slide rail (12) or slide rail (10), the side of draw-in groove (11) welding slide rail square steel (8) or slide rail square steel (9).
4. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1 is characterized in that gripper shoe (4) is processed into the indent hemispherical with the center of the relative side of multi-directional ball (3).
5. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1 is characterized in that the screw thick stick overcoat (21) of therein turn of screw thick stick (2) is bolted in bracing frame square steel (1) two ends.
6. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1 is characterized in that square steel (6) is bolted with connecting plate (7), and connecting plate (7) is bolted with bracing frame square steel (1).
7. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1, it is characterized in that, at slide rail square steel (8) and slide rail square steel (9) retaining mechanism is set, slide rail square steel (8) and slide rail square steel (9) are lock onto respectively on slide rail (12) and the slide rail (10).
8. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 7 is characterized in that, at slide rail square steel (8) and slide rail square steel (9) installation afflux hub, by the afflux hub source of welding current electrode line is introduced.
9. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1, it is characterized in that, the horizontal component along continuous straight runs of cross balladeur train (14) is provided with the different through hole in a plurality of positions, this through hole and bracing frame upper arm (13) bottom are bolted, the through hole that choice for use is different, the position of adjusting along continuous straight runs.
10. circumferential weld band utmost point automatical hidden arc overlay welding device in the large adapter of the shape of a saddle as described in claim 1 is characterized in that insulated electro plank (5) is positioned on the workpiece inwall to be welded.
CN 201220360701 2012-07-24 2012-07-24 Automatic submerged arc overlay welding device for saddle-shaped large adapter inner circular seam strip electrode Expired - Lifetime CN202684287U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220360701 CN202684287U (en) 2012-07-24 2012-07-24 Automatic submerged arc overlay welding device for saddle-shaped large adapter inner circular seam strip electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220360701 CN202684287U (en) 2012-07-24 2012-07-24 Automatic submerged arc overlay welding device for saddle-shaped large adapter inner circular seam strip electrode

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270972A (en) * 2016-09-18 2017-01-04 中国二十二冶集团有限公司 Fan-shaped steel plate splicing welding method
CN110524160A (en) * 2019-09-25 2019-12-03 哈尔滨科能熔敷科技有限公司 A kind of arc-shaped inner wall of high-pressure container deposition equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270972A (en) * 2016-09-18 2017-01-04 中国二十二冶集团有限公司 Fan-shaped steel plate splicing welding method
CN110524160A (en) * 2019-09-25 2019-12-03 哈尔滨科能熔敷科技有限公司 A kind of arc-shaped inner wall of high-pressure container deposition equipment

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