CN104924090B - The manufacturing process of backing ring - Google Patents
The manufacturing process of backing ring Download PDFInfo
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- CN104924090B CN104924090B CN201510390541.4A CN201510390541A CN104924090B CN 104924090 B CN104924090 B CN 104924090B CN 201510390541 A CN201510390541 A CN 201510390541A CN 104924090 B CN104924090 B CN 104924090B
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- welding
- drive shaft
- tapping
- backing ring
- feed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of manufacturing process of backing ring, backing ring includes four parts：Drive shaft side, nonpowered axle side, tapping side, feed side, tapping side and feed side are fan-shaped body structure, and steel plate arc, welding ensure circularity, flatness, and machining process butting grooves can complete its manufacture；And drive shaft side and nonpowered axle side need to weld gudgeon, connection otic placode, machine drive shaft side, the butting grooves of nonpowered axle side, gudgeon and connection otic placode simultaneously, ensure the dimensional tolerance of three, above all pintongs completion of processing assembly welding is to together, control welding is shunk, deformation, ensures the axiality of two gudgeons, ensures the dimensional tolerance of connection otic placode, it just can guarantee that backing ring body meets drawing requirement, just can guarantee that backing ring is assembled together with converter and meet drawing requirement.Advantage is：The present invention can reduce manufacture difficulty, and meet design requirement.
Description
Technical field
The invention belongs to the manufacturing technology field of steelmaking equipment, more particularly to a kind of manufacturing process of backing ring.
Background technology
Backing ring is important carrying and the transmission parts of converter, and it removes bear furnace shell, furnace lining, molten steel and deadweight etc. at work
Outside whole static loads, still suffer from because dynamic load caused by frequent starting, braking and the impact caused by operating process are born
Lotus, and cause backing ring thermograde to be present in radial direction, circumference and axial direction from radiation effects such as body of heater, ladles and produce
Thermic load, therefore, people are also studied and improved to its manufacturing process in addition to its strength and stiffness is concerned about.
The content of the invention
The present invention provides a kind of manufacturing process of backing ring to solve technical problem present in known technology, and the technique can
To reduce manufacture difficulty, and meet design requirement.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of manufacturing process of backing ring, backing ring include drive shaft side, nonpowered axle side, tapping side, feed side, tapping side and
Feed side is fan-shaped body structure, and there is fan-shaped top, fan-shaped bottom, arc length to be more than top for drive shaft side and nonpowered axle side
Portion and bottom and radius and the interior edge identical interior plate at the top and bottom of drive shaft side, interior plate protrusion drive shaft side, non-drive
The region of the top and bottom of moving axis side is protuberance in axle side,
It is characterized in that：Manufacturing process includes manufacture tapping side and the step of feed side, manufactures drive shaft side and non-driven
The step of axle side, the step of tapping side, nonpowered axle side, drive shaft side, feed side are combined,
The step of manufacture tapping side and feed side, includes successively：
Steel plate arc, welding ensure circularity, flatness, machining process butting grooves；
The step of manufacture drive shaft side and nonpowered axle side, includes successively：
Gudgeon, connection otic placode are welded, while machines drive shaft side, the butting grooves of nonpowered axle side, gudgeon and connection
Otic placode,
The step of tapping side, nonpowered axle side, drive shaft side, feed side combination, is included successively：
Mutually level parallels preset first, calibration is levelling, and backing ring pintongs is horizontal positioned thereon, drive shaft side and non-
Branch jack below the gudgeon of drive shaft side, ensure drive shaft side, the balance of nonpowered axle side, and adjust both height to protect
Demonstrate,prove axiality；Then the whole backing ring of setting-out on platform, determine that center line is drawn a design punching, is checked and is corrected appearance and size to tolerance model
In enclosing, while check and correct pintongs interface, it is desirable to unfitness of butt joint≤3mm, it is desirable to 3 ± 0.2mm of gap；Followed by detecting two ears
The axiality of axle, by special equipment, very heavy heights of roofs is adjusted, meets detection formulaWherein, αxFor ear
The deviation angle of the theoretical centerline of axle and the horizontal direction of actual center line, αyFor the theoretical centerline and practical center of gudgeon
The deviation angle of the vertical direction of line；Finally, welding sequence is carried out：
Welding sequence comprises the following steps successively：
S1, welding preparation：
S1. it is, that the axiality for ensureing two gudgeons in welding process changes in the margin of tolerance, four pieces of dial gauges of preparation,
It is respectively used to monitor gudgeon horizontal direction, the numerical value change of vertical direction, according to the dial gauge numerical value change ginseng of adjustment welding at any time
Number, welding sequence, welding position；
S1.2, weld preheating, prepare multi-disc ceramic heat pad, welding heat affected zone is preheated, preheating temperature >=150
℃。
S2, welding are implemented：
S2.1, backing welding：1. D1-D8 arc-shaped welding seams are welded, the parameter welding such as positions such as 4 people are segmented simultaneously, D1-D8 arcs
Shape weld seam is the weld seam for being connected protuberance in axle side with the arcuate inner edge of the bottom and top of feed side and exit side；2. weld
E1-E4 is met, 4 people divide 8 sections, per segment length 200mm, wait the parameter changes such as position to weld, and E1-E4 is by protuberance in axle side and charging
The weld seam that side connects with the arc of the inner side of exit side；3. A1-A8 is welded, it is right the parameter such as positions such as 4 people are segmented simultaneously above and below
Claim welding, A1-A8 is drive shaft side, the top and bottom of nonpowered axle side are connected with the top and bottom of feed side and exit side
Weld seam；Dial gauge numerical value change is monitored during backing welding, and is suitably adjusted, wherein A5-A8 is to be located at feed side and discharging
The weld seam of the bottom of side, backing ring is overturn 180 ° when A5-A8 is welded.
S2.2, filling welding：1. weld A5-A8；2. weld shrouding, weld C1-C8 arc-shaped welding seams, C1-C8 be shrouding with
The weld seam of the outer arcuate plate junction of feed side and tapping side, the 4 people parameter welding such as position such as segmentation simultaneously, welds B1-B8,
For shrouding and feed side and the weld seam of the inner side arc junction for side of tapping, 4 people divide 8 sections, per segment length 200mm, wait position etc.
Parameter change welds；3. 180 ° of workpiece turning, weld A1-A4；Dial gauge numerical value change is monitored in welding process, and is adjusted.
S3, postwelding are detected a flaw, local destressing is annealed.
The present invention has the advantages and positive effects of：
After above technical scheme, while machining difficulty is reduced, welding difficulty is added, is passed through
Ensure axiality, the monnolithic case size of two gudgeons with welding, can meet drawing requirement well, high efficiency, in high quality
Complete the manufacturing of backing ring.This welding procedure can be widely used to the processing and manufacturing for the backing ring for having overall shipper requirements
In, solve the problems, such as that difficult processing, cost are high.
Brief description of the drawings
Fig. 1 is the structural representation of the backing ring manufactured by the present invention；
Fig. 2 is the structural representation of the backing ring from another angle；
Fig. 3 is the structural representation of non-drive side；
Fig. 4 is the structural representation of tapping side.
Wherein：1st, drive shaft side；2nd, nonpowered axle side；3rd, feed side；4th, tapping side；5th, shrouding.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Fig. 1 to Fig. 4 is referred to,
A kind of manufacturing process of backing ring, backing ring include drive shaft side 1, nonpowered axle side 2, tapping side 4, feed side 3, tapping
Side and feed side are fan-shaped body structure, and drive shaft side and nonpowered axle side have fan-shaped top, fan-shaped bottom, arc length big
Interior edge identical interior plate at the top and bottom of top and bottom and radius and drive shaft side, interior plate protrusion drive shaft side,
The region of the top and bottom of nonpowered axle side is protuberance in axle side,
The manufacturing process of above-mentioned backing ring includes manufacture tapping side and the step of feed side, manufactures drive shaft side and non-driven
The step of axle side, the step of tapping side, nonpowered axle side, drive shaft side, feed side are combined,
The step of manufacture tapping side and feed side, includes successively：
Steel plate arc, welding ensure circularity, flatness, machining process butting grooves；
The step of manufacture drive shaft side and nonpowered axle side, includes successively：
Gudgeon, connection otic placode are welded, while machines drive shaft side, the butting grooves of nonpowered axle side, gudgeon and connection
Otic placode,
The step of tapping side, nonpowered axle side, drive shaft side, feed side combination, is included successively：
Mutually level parallels preset first, calibrate levelling, backing ring pintongs is horizontal positioned thereon, drive shaft side and non-drive
Branch jack below the gudgeon of moving axis side, ensure drive shaft side, the balance of nonpowered axle side, and adjust both height to ensure
Axiality；Then the whole backing ring of setting-out on platform, determine that center line is drawn a design punching, is checked and is corrected appearance and size to the margin of tolerance
It is interior, while check and correct pintongs interface, it is desirable to unfitness of butt joint≤3mm, it is desirable to 3 ± 0.2mm of gap；Followed by detecting two gudgeons
Axiality, by special equipment, adjust very heavy heights of roofs, meet detection formulaWherein, αxFor gudgeon
Theoretical centerline and actual center line horizontal direction deviation angle, αyFor the theoretical centerline and actual center line of gudgeon
Vertical direction deviation angle；Finally, welding sequence is carried out：
Welding sequence comprises the following steps successively：
S1, welding preparation：
S1. it is, that the axiality for ensureing two gudgeons in welding process changes in the margin of tolerance, four pieces of dial gauges of preparation,
It is respectively used to monitor gudgeon horizontal direction, the numerical value change of vertical direction, according to the dial gauge numerical value change ginseng of adjustment welding at any time
Number, welding sequence, welding position；
S1.2, weld preheating, prepare multi-disc ceramic heat pad, welding heat affected zone is preheated, preheating temperature >=150
DEG C, its effect is：Slow down postwelding cooling velocity, beneficial to the effusion of diffusible hydrogen in weld metal, avoid producing hydrogen induced cracking；Simultaneously
The degree of hardening of weld seam and the zone of influence is reduced, improves the crack resistance of welding point.
S2, welding are implemented：
S2.1, backing welding：1. D1-D8 arc-shaped welding seams are welded, the parameter welding such as positions such as 4 people are segmented simultaneously, D1-D8 arcs
Shape weld seam is the weld seam for being connected protuberance in axle side with the arcuate inner edge of the bottom and top of feed side and exit side；2. weld
E1-E4 is met, 4 people divide 8 sections, per segment length 200mm, wait the parameter changes such as position to weld, and E1-E4 is by protuberance in axle side and charging
The weld seam that side connects with the arc of the inner side of exit side；3. A1-A8 is welded, it is right the parameter such as positions such as 4 people are segmented simultaneously above and below
Claim welding, A1-A8 is drive shaft side, the top and bottom of nonpowered axle side are connected with the top and bottom of feed side and exit side
Weld seam；Dial gauge numerical value change is monitored during backing welding, and is suitably adjusted, wherein A5-A8 is to be located at feed side and discharging
The weld seam of the bottom of side, to avoid welding in the overhead position, backing ring is overturn 180 ° when A5-A8 is welded.
S2.2, filling welding：1. weld A5-A8；2. weld shrouding, weld C1-C8 arc-shaped welding seams, C1-C8 be shrouding with
The weld seam of the outer arcuate plate junction of feed side and tapping side, the 4 people parameter welding such as position such as segmentation simultaneously, welds B1-B8,
For shrouding and feed side and the weld seam of the inner side arc junction for side of tapping, 4 people divide 8 sections, per segment length 200mm, wait position etc.
Parameter change welds；3. 180 ° of workpiece turning, weld A1-A4；Dial gauge numerical value change is monitored in welding process, and is adjusted.
S3, postwelding are detected a flaw, local destressing is annealed.
Although the preferred embodiments of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in upper
The embodiment stated, above-mentioned embodiment is only schematical, be not it is restricted, this area it is common
Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under the enlightenment of the present invention
By make it is many in the form of, these are belonged within protection scope of the present invention.
Claims (1)
1. a kind of manufacturing process of backing ring, the backing ring includes drive shaft side, nonpowered axle side, tapping side, feed side, side of tapping
It is fan-shaped body structure with feed side, there is fan-shaped top, fan-shaped bottom, arc length to be more than for drive shaft side and nonpowered axle side
Top and bottom and radius and the interior edge identical interior plate at the top and bottom of drive shaft side, interior plate protrude drive shaft side, non-
The region of the top and bottom of drive shaft side is protuberance in axle side,
It is characterized in that：Manufacturing process includes the step of manufacture tapping side and feed side, manufactures drive shaft side and nonpowered axle side
The step of, the step of tapping side, nonpowered axle side, drive shaft side, feed side are combined,
The step of manufacture tapping side and feed side, includes successively：
Steel plate arc, welding ensure circularity, flatness, machining process butting grooves；
The step of manufacture drive shaft side and nonpowered axle side, includes successively：
Gudgeon, connection otic placode are welded, while machines drive shaft side, the butting grooves of nonpowered axle side, gudgeon and connection otic placode,
Described the step of combining tapping side, nonpowered axle side, drive shaft side, feed side, includes successively：
Mutually level parallels preset first, calibrate levelling, backing ring pintongs is horizontal positioned thereon, drive shaft side and nonpowered axle
Branch jack below the gudgeon of side, ensure drive shaft side, the balance of nonpowered axle side, and it is coaxial to ensure to adjust both height
Degree；Then the whole backing ring of setting-out on platform, determine that center line is drawn a design punching, is checked and is corrected in appearance and size to the margin of tolerance,
Check simultaneously and correct pintongs interface, it is desirable to unfitness of butt joint≤3mm, it is desirable to 3 ± 0.2mm of gap；Followed by two gudgeons of detection
Axiality, by special equipment, very heavy heights of roofs is adjusted, meets detection formulaWherein, αxFor gudgeon
The deviation angle of the horizontal direction of theoretical centerline and actual center line, αyTheoretical centerline and actual center line for gudgeon
The deviation angle of vertical direction；
Finally, welding sequence is carried out, welding sequence comprises the following steps successively：
S1, welding preparation：
S1. it is, that the axiality for ensureing two gudgeons in welding process changes in the margin of tolerance, four pieces of dial gauges of preparation, respectively
For monitoring gudgeon horizontal direction, the numerical value change of vertical direction, welding parameter, weldering are adjusted according to dial gauge numerical value change at any time
Connect order, welding position；
S1.2, weld preheating, prepare multi-disc ceramic heat pad, welding heat affected zone is preheated, preheating temperature >=150 DEG C；
S2, welding are implemented：
S2.1, backing welding：1. D1-D8 arc-shaped welding seams are welded, the parameter welding such as positions such as 4 people are segmented simultaneously, the weldering of D1-D8 arcs
Stitch the weld seam for protuberance in axle side is connected with the arcuate inner edge of the bottom and top of feed side and exit side；2. weld
E1-E4,4 people divide 8 sections, per segment length 200mm, wait the parameter changes such as position to weld, and E1-E4 is by protuberance and feed side in axle side
The weld seam connected with the arc of the inner side of exit side；3. welding A1-A8, the parameter such as positions such as 4 people are segmented simultaneously is symmetrical above and below
Welding, A1-A8 is drive shaft side, the top and bottom of nonpowered axle side are connected with the top and bottom of feed side and exit side
Weld seam；Dial gauge numerical value change is monitored during backing welding, and adjusts welding parameter, wherein A5-A8 is positioned at feed side and gone out
Expect the weld seam of the bottom of side, welded again after backing ring is overturn into 180 ° when A5-A8 is welded；
S2.2, filling welding：1. weld A5-A8；2. welding shrouding, C1-C8 arc-shaped welding seams are welded, C1-C8 is shrouding and charging
The weld seam of the outer arcuate plate junction of side and tapping side, the 4 people parameter welding such as position such as segmentation simultaneously, welds B1-B8, for envelope
Plate divides 8 sections with feed side and the weld seam of the inner side arc junction for side of tapping, 4 people, per segment length 200mm, waits the parameters such as position
Bounce welding；3. 180 ° of workpiece turning, weld A1-A4；Dial gauge numerical value change is monitored in welding process, and is adjusted；
S3, postwelding are detected a flaw, local destressing is annealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390541.4A CN104924090B (en) | 2015-07-06 | 2015-07-06 | The manufacturing process of backing ring |
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|---|---|---|---|
| CN201510390541.4A CN104924090B (en) | 2015-07-06 | 2015-07-06 | The manufacturing process of backing ring |
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| CN104924090A CN104924090A (en) | 2015-09-23 |
| CN104924090B true CN104924090B (en) | 2018-01-12 |
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| CN108213655B (en) * | 2018-01-12 | 2020-05-05 | 贵州永红航空机械有限责任公司 | Argon arc welding deformation control method at air collector pipe nozzle |
| CN116900537B (en) * | 2023-09-13 | 2024-03-19 | 哈尔滨电机厂有限责任公司 | Method for manufacturing small-opening water pump turbine runner split-fan cast-weld |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108448A (en) * | 2006-07-18 | 2008-01-23 | 中信重型机械公司 | Technique for ensuring axiality of mammoth converter support ring trunnion |
| WO2011069395A1 (en) * | 2009-12-11 | 2011-06-16 | 中冶赛迪工程技术股份有限公司 | Device having four-point connecting rod mechanism for joining converter shell and trunnion ring |
| CN102806427A (en) * | 2012-08-20 | 2012-12-05 | 莱芜钢铁集团有限公司 | Method for manufacturing trunnion ring of large-size converter |
| CN104526132A (en) * | 2014-11-28 | 2015-04-22 | 沈阳大学 | Method for preventing trunnion welding from producing delayed cracks |
-
2015
- 2015-07-06 CN CN201510390541.4A patent/CN104924090B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108448A (en) * | 2006-07-18 | 2008-01-23 | 中信重型机械公司 | Technique for ensuring axiality of mammoth converter support ring trunnion |
| WO2011069395A1 (en) * | 2009-12-11 | 2011-06-16 | 中冶赛迪工程技术股份有限公司 | Device having four-point connecting rod mechanism for joining converter shell and trunnion ring |
| CN102806427A (en) * | 2012-08-20 | 2012-12-05 | 莱芜钢铁集团有限公司 | Method for manufacturing trunnion ring of large-size converter |
| CN104526132A (en) * | 2014-11-28 | 2015-04-22 | 沈阳大学 | Method for preventing trunnion welding from producing delayed cracks |
Non-Patent Citations (1)
| Title |
|---|
| 300t转炉托圈组焊工艺方案;刘多鹏;《安徽冶金科技职业学院学报》;20120131;第13-16页 * |
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| CN104924090A (en) | 2015-09-23 |
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