CN104924090A - Backing ring manufacturing process - Google Patents
Backing ring manufacturing process Download PDFInfo
- Publication number
- CN104924090A CN104924090A CN201510390541.4A CN201510390541A CN104924090A CN 104924090 A CN104924090 A CN 104924090A CN 201510390541 A CN201510390541 A CN 201510390541A CN 104924090 A CN104924090 A CN 104924090A
- Authority
- CN
- China
- Prior art keywords
- welding
- drive shaft
- backing ring
- shaft side
- tapping
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a backing ring manufacturing process. A backing ring comprises a drive shaft side, a non-drive shaft side, a steel outlet side and a feeding side, wherein the steel outlet side and the feeding side are of sector-shaped box structures, a steel plate is subjected to arc forming and welding to ensure roundness and flatness, and backing ring manufacture can be completed by machining butt joint grooves. Lug shafts and connecting lug plates are needed to be welded on the drive shaft side and the non-drive shaft side, meanwhile butt joint grooves, the lug shafts and the connecting lug plates of the drive shaft side and the non-drive shaft side are machined to ensure dimensional tolerance of the three portions, and what's more important is that completely machined four petals are assembled and welded together and welding contraction and deformation are controlled to ensure coaxiality of the two lug shafts and dimensional tolerance of the connecting lug plates so as to ensure that a backing ring body meets the drawing requirements and the backing ring assembled with a converter meets the drawing requirements. The backing ring manufacturing process has the advantages that manufacturing difficulty can be reduced, and design requirements can be met.
Description
Technical field
The invention belongs to the manufacturing technology field of steelmaking equipment, particularly relate to a kind of manufacturing process of backing ring.
Background technology
Backing ring is important carrying and the drive disk assembly of converter, it is at work except bearing whole static load such as furnace shell, furnace lining, molten steel and deadweight, also to bear the dynamic load because frequent starting, braking produce and the impact load caused by operating process, and to cause backing ring in radial, circumference and the thermic load that axially there is thermograde and produce from the radiation effects such as body of heater, ladle, therefore, people, except its strength and stiffness of care, also study its manufacturing process and improve.
Summary of the invention
The present invention provides a kind of manufacturing process of backing ring for solving in known technology the technical problem that exists, and this technique can reduce manufacture difficulty, and meets design requirement.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
A kind of manufacturing process of backing ring, backing ring comprises drive shaft side, nonpowered axle side, tapping side, feed side, tapping side and feed side are fan-shaped body structure, drive shaft side and nonpowered axle side have fan-shaped top, fan-shaped bottom, arc length are greater than top with bottom and radius and drive shaft side top and bottom interior along identical interior plate, it is protuberance in axle side that interior plate gives prominence to drive shaft side, the top of nonpowered axle side and the region of bottom
It is characterized in that: manufacturing process comprises the step manufacturing tapping side and feed side, manufacture the step of drive shaft side and nonpowered axle survey, by the step of tapping side, nonpowered axle side, drive shaft side, feed side combination,
The step manufacturing tapping side and feed side comprises successively:
Steel plate arc, welding ensures circularity, flatness, machining process butting grooves;
The step manufacturing drive shaft side and nonpowered axle side comprises successively:
Welding gudgeon, connect otic placode, simultaneously the butting grooves of machined drive shaft side, nonpowered axle side, gudgeon and connection otic placode,
The step of tapping side, nonpowered axle side, drive shaft side, feed side combination is comprised successively:
First preset mutually level parallels, calibrates levelling, and by backing ring pintongs horizontal positioned on it, a jack below the gudgeon that drive shaft side and nonpowered axle are surveyed, ensure the balance that drive shaft side, nonpowered axle are surveyed, and the height both regulating is to ensure axiality; Then the whole backing ring of setting-out on platform, determines that center line is drawn a design punching, checks and correct appearance and size in the margin of tolerance, check simultaneously and correct pintongs interface, requiring unfitness of butt joint≤3mm, requiring gap 3 ± 0.2mm; Be subsequently the axiality of detection two gudgeon, by special equipment, regulate jack height, meet detection formula
wherein, α
xfor the deviation angle of the theoretical centerline of gudgeon and the horizontal direction of actual center line, α
yfor the deviation angle of the theoretical centerline of gudgeon and the vertical direction of actual center line; Finally, welding sequence is carried out:
Welding sequence comprises the following steps successively:
S1, welds prepares:
S1., for ensureing that the axiality change of two gudgeons in welding process is in the margin of tolerance, prepare four pieces of dial gauges, be respectively used to the numerical value change of monitoring gudgeon horizontal direction, vertical direction, adjust welding parameter, welding sequence, welding position at any time according to dial gauge numerical value change;
S1.2, weld preheating, prepare multi-disc ceramic heat pad, carry out preheating, preheat temperature >=150 DEG C to welding heat affected zone.
S2, welding are implemented:
S2.1, backing welding: 1. weld D1-D8 arc-shaped welding seam, the parameter welding such as position such as 4 people simultaneously segmentation, D1-D8 arc-shaped welding seam is the weld seam be connected in protuberance in axle side and feed side and the bottom of exit side and the arcuate inner edge at top; 2. weld E1-E4,4 people divide 8 sections, every segment length 200mm, wait the parameter change welding such as position, and E1-E4 is the weld seam be connected by the arc of the inner side of protuberance in axle side and feed side and exit side; 3. weld A1-A8, the parameters such as position such as 4 people simultaneously segmentation are symmetrically welded up and down, the weld seam that A1-A8 is drive shaft side, the top of the top of nonpowered axle side and bottom and feed side side and exit side and bottom are connected; Monitor dial gauge numerical value change in backing welding process, and suitably adjust, wherein A5-A8 is the weld seam of the bottom being positioned at feed side and exit side, when welding A5-A8, backing ring is overturn 180 °.
S2.2, filling welding: 1. weld A5-A8; 2. shrouding is welded, welding C1-C8 arc-shaped welding seam, C1-C8 is the weld seam of the outer arcuate plate junction of shrouding and feed side and side of tapping, the parameter welding such as position such as 4 people segmentation simultaneously, welding B1-B8, be shrouding and feed side and the weld seam of the arc junction, inner side of side of tapping, 4 people divide 8 sections, every segment length 200mm, waits the parameter change welding such as position; 3. workpiece turning 180 °, welding A1-A4; Monitor dial gauge numerical value change in welding process, and adjust.
S3, postwelding carry out detecting a flaw, local destressing annealing.
The advantage that the present invention has and good effect are:
After present invention employs above technical scheme, while reduction machined difficulty, add welding difficulty, by with the axiality of welding guarantee two gudgeon, monnolithic case size, drawing requirement can be met well, high efficiency, complete the manufacturing of backing ring in high quality.This welding procedure can be widely used overall shipper requirements backing ring processing and manufacturing in, solve difficult processing, problem that cost is high.
Accompanying drawing explanation
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 views;
Fig. 3 is the structural representation of non-drive side;
Fig. 4 is the structural representation of tapping side.
Wherein: 1, drive shaft side; 2, nonpowered axle side; 3, feed side; 4, tapping side; 5, shrouding.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 4,
A kind of manufacturing process of backing ring, backing ring comprises drive shaft side 1, nonpowered axle side 2, tapping side 4, feed side 3, tapping side and feed side are fan-shaped body structure, drive shaft side and nonpowered axle side have fan-shaped top, fan-shaped bottom, arc length are greater than top with bottom and radius and drive shaft side top and bottom interior along identical interior plate, it is protuberance in axle side that interior plate gives prominence to drive shaft side, the top of nonpowered axle side and the region of bottom
The manufacturing process of above-mentioned backing ring comprises the step manufacturing tapping side and feed side, manufactures the step of drive shaft side and nonpowered axle survey, by the step of tapping side, nonpowered axle side, drive shaft side, feed side combination,
The step manufacturing tapping side and feed side comprises successively:
Steel plate arc, welding ensures circularity, flatness, machining process butting grooves;
The step manufacturing drive shaft side and nonpowered axle side comprises successively:
Welding gudgeon, connect otic placode, simultaneously the butting grooves of machined drive shaft side, nonpowered axle side, gudgeon and connection otic placode,
The step of tapping side, nonpowered axle side, drive shaft side, feed side combination is comprised successively:
First preset mutually level parallels, calibrates levelling, and by backing ring pintongs horizontal positioned on it, a jack below the gudgeon that drive shaft side and nonpowered axle are surveyed, ensure the balance that drive shaft side, nonpowered axle are surveyed, and the height both regulating is to ensure axiality; Then the whole backing ring of setting-out on platform, determines that center line is drawn a design punching, checks and correct appearance and size in the margin of tolerance, check simultaneously and correct pintongs interface, requiring unfitness of butt joint≤3mm, requiring gap 3 ± 0.2mm; Be subsequently the axiality of detection two gudgeon, by special equipment, regulate jack height, meet detection formula
wherein, α
xfor the deviation angle of the theoretical centerline of gudgeon and the horizontal direction of actual center line, α
yfor the deviation angle of the theoretical centerline of gudgeon and the vertical direction of actual center line; Finally, welding sequence is carried out:
Welding sequence comprises the following steps successively:
S1, welds prepares:
S1., for ensureing that the axiality change of two gudgeons in welding process is in the margin of tolerance, prepare four pieces of dial gauges, be respectively used to the numerical value change of monitoring gudgeon horizontal direction, vertical direction, adjust welding parameter, welding sequence, welding position at any time according to dial gauge numerical value change;
S1.2, weld preheating, prepare multi-disc ceramic heat pad, carry out preheating to welding heat affected zone, preheat temperature >=150 DEG C, its effect is: slow down postwelding cooling velocity, be beneficial to the effusion of diffusible hydrogen in weld metal, avoids producing hydrogen induced cracking; Reduce the degree of hardening of weld seam and the zone of influence simultaneously, improve the crack resistance of welding point.
S2, welding are implemented:
S2.1, backing welding: 1. weld D1-D8 arc-shaped welding seam, the parameter welding such as position such as 4 people simultaneously segmentation, D1-D8 arc-shaped welding seam is the weld seam be connected in protuberance in axle side and feed side and the bottom of exit side and the arcuate inner edge at top; 2. weld E1-E4,4 people divide 8 sections, every segment length 200mm, wait the parameter change welding such as position, and E1-E4 is the weld seam be connected by the arc of the inner side of protuberance in axle side and feed side side and exit side; 3. weld A1-A8, the parameters such as position such as 4 people simultaneously segmentation are symmetrically welded up and down, the weld seam that A1-A8 is drive shaft side, the top of the top of nonpowered axle side and bottom and feed side side and exit side and bottom are connected; Monitor dial gauge numerical value change in backing welding process, and suitably adjust, wherein A5-A8 is the weld seam of the bottom being positioned at feed side and exit side, for avoiding overhead welding, when welding A5-A8, backing ring is overturn 180 °.
S2.2, filling welding: 1. weld A5-A8; 2. shrouding is welded, welding C1-C8 arc-shaped welding seam, C1-C8 is the weld seam of the outer arcuate plate junction of shrouding and feed side and side of tapping, the parameter welding such as position such as 4 people segmentation simultaneously, welding B1-B8, be shrouding and feed side and the weld seam of the arc junction, inner side of side of tapping, 4 people divide 8 sections, every segment length 200mm, waits the parameter change welding such as position; 3. workpiece turning 180 °, welding A1-A4; Monitor dial gauge numerical value change in welding process, and adjust.
S3, postwelding carry out detecting a flaw, local destressing annealing.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (1)
1. the manufacturing process of a backing ring, described backing ring comprises drive shaft side, nonpowered axle side, tapping side, feed side, tapping side and feed side are fan-shaped body structure, drive shaft side and nonpowered axle side have fan-shaped top, fan-shaped bottom, arc length are greater than top with bottom and radius and drive shaft side top and bottom interior along identical interior plate, it is protuberance in axle side that interior plate gives prominence to drive shaft side, the top of nonpowered axle side and the region of bottom
It is characterized in that: manufacturing process comprises the step manufacturing tapping side and feed side, manufacture the step of drive shaft side and nonpowered axle survey, by the step of tapping side, nonpowered axle side, drive shaft side, feed side combination,
The described step manufacturing tapping side and feed side comprises successively:
Steel plate arc, welding ensures circularity, flatness, machining process butting grooves;
The step of described manufacture drive shaft side and nonpowered axle side comprises successively:
Welding gudgeon, connect otic placode, simultaneously the butting grooves of machined drive shaft side, nonpowered axle side, gudgeon and connection otic placode,
The described step by tapping side, nonpowered axle side, drive shaft side, feed side combination comprises successively:
First preset mutually level parallels, calibrates levelling, and by backing ring pintongs horizontal positioned on it, a jack below the gudgeon that drive shaft side and nonpowered axle are surveyed, ensure the balance that drive shaft side, nonpowered axle are surveyed, and the height both regulating is to ensure axiality; Then the whole backing ring of setting-out on platform, determines that center line is drawn a design punching, checks and correct appearance and size in the margin of tolerance, check simultaneously and correct pintongs interface, requiring unfitness of butt joint≤3mm, requiring gap 3 ± 0.2mm; Be subsequently the axiality of detection two gudgeon, by special equipment, regulate jack height, meet detection formula
wherein, α
xfor the deviation angle of the theoretical centerline of gudgeon and the horizontal direction of actual center line, α
yfor the deviation angle of the theoretical centerline of gudgeon and the vertical direction of actual center line;
Finally, carry out welding sequence, welding sequence comprises the following steps successively:
S1, welds prepares:
S1., for ensureing that the axiality change of two gudgeons in welding process is in the margin of tolerance, prepare four pieces of dial gauges, be respectively used to the numerical value change of monitoring gudgeon horizontal direction, vertical direction, adjust welding parameter, welding sequence, welding position at any time according to dial gauge numerical value change;
S1.2, weld preheating, prepare multi-disc ceramic heat pad, carry out preheating, in advance to welding heat affected zone
Hot temperature degree >=150 DEG C;
S2, welding are implemented:
S2.1, backing welding: 1. weld D1-D8 arc-shaped welding seam, the parameter welding such as position such as 4 people simultaneously segmentation, D1-D8 arc-shaped welding seam is the weld seam be connected in protuberance in axle side and feed side and the bottom of exit side and the arcuate inner edge at top; 2. weld E1-E4,4 people divide 8 sections, every segment length 200mm, wait the parameter change welding such as position, and E1-E4 is the weld seam be connected by the arc of the inner side of protuberance in axle side and feed side side and exit side; 3. weld A1-A8, the parameters such as position such as 4 people simultaneously segmentation are symmetrically welded up and down, the weld seam that A1-A8 is drive shaft side, the top of the top of nonpowered axle side and bottom and feed side and exit side and bottom are connected; Monitor dial gauge numerical value change in backing welding process, and adjust welding parameter, wherein A5-A8 is the weld seam of the bottom being positioned at feed side and exit side, welds after backing ring being overturn 180 ° when welding A5-A8 again;
S2.2, filling welding: 1. weld A5-A8; 2. shrouding is welded, welding C1-C8 arc-shaped welding seam, C1-C8 is the weld seam of the outer arcuate plate junction of shrouding and feed side and side of tapping, the parameter welding such as position such as 4 people segmentation simultaneously, welding B1-B8, be shrouding and feed side and the weld seam of the arc junction, inner side of side of tapping, 4 people divide 8 sections, every segment length 200mm, waits the parameter change welding such as position; 3. workpiece turning 180 °, welding A1-A4; Monitor dial gauge numerical value change in welding process, and adjust;
S3, postwelding carry out detecting a flaw, local destressing annealing.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390541.4A CN104924090B (en) | 2015-07-06 | 2015-07-06 | The manufacturing process of backing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104924090A true CN104924090A (en) | 2015-09-23 |
| CN104924090B CN104924090B (en) | 2018-01-12 |
Family
ID=54111682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390541.4A Active CN104924090B (en) | 2015-07-06 | 2015-07-06 | The manufacturing process of backing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104924090B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213655A (en) * | 2018-01-12 | 2018-06-29 | 贵州永红航空机械有限责任公司 | Argon arc welding welding deformation controlling method at air collector ozzle |
| CN116900537A (en) * | 2023-09-13 | 2023-10-20 | 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 |
|---|
| 刘多鹏: "300t转炉托圈组焊工艺方案", 《安徽冶金科技职业学院学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213655A (en) * | 2018-01-12 | 2018-06-29 | 贵州永红航空机械有限责任公司 | Argon arc welding welding deformation controlling method at air collector ozzle |
| 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 |
| CN116900537A (en) * | 2023-09-13 | 2023-10-20 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104924090B (en) | 2018-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102806427B (en) | Method for manufacturing trunnion ring of large-size converter | |
| CN101941646B (en) | Rotary bearing flange of portal jib crane | |
| JP5650358B1 (en) | Plate bending hollow roll manufacturing method, plate bending hollow roll and steel plate manufacturing process apparatus | |
| CN102423825A (en) | On-site splicing process of large-sized vacuum flange | |
| CN111715986B (en) | Manufacturing method of large-diameter thick-wall flange cylinder | |
| CN104924090A (en) | Backing ring manufacturing process | |
| CN102632370B (en) | Manufacturing process of inner cover of total hydrogen cover-type furnace | |
| CN103818540A (en) | Processing method of eccentric full-revolving steering oar device base | |
| CN201809060U (en) | Slewing bearing flange of gantry crane | |
| CN206661926U (en) | A kind of composite (back-up) roll for rolling wave type ripple composite plate | |
| CN104227187B (en) | Large-scale versatile spindle flange welding method | |
| CN203091942U (en) | Welding set for large gear | |
| CN111015132B (en) | Method for machining radial gate by using large-scale numerical control gantry boring and milling machine | |
| CN102528218A (en) | Method for preventing deformation of large-size thin-wall annular casting during welding process | |
| CN104439915B (en) | A kind of Bridge Rotation Construction Technique Rotary ball hinge processing method | |
| CN215668085U (en) | Modularized vertical lower suspension device | |
| CN102744501B (en) | Method for nufacturing asphalt mixing equipment | |
| CN106698977A (en) | Method for manufacturing angle ring equipment of dual-hearth lime kiln | |
| CN112676677A (en) | Preparation method of straddle type monorail vehicle framework bottom plate pre-assembly | |
| CN105643212A (en) | Machining method for integrated heavy load reducer boxes for rolling mill | |
| CN111336349B (en) | Base for supporting seawater lift pump and processing method thereof | |
| CN110497062B (en) | Welding process of eccentric gear | |
| CN208771543U (en) | A kind of vertical roller grinder mill structure | |
| CN201677149U (en) | Special tool for manufacturing transversal support of tooth rack in cooling table area | |
| CN104533691A (en) | Large length-width ratio hollow-out type fixing guide vane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |