CN110216416A - Bearing device conical pipe circumferential weld groove manufacturing method - Google Patents
Bearing device conical pipe circumferential weld groove manufacturing method Download PDFInfo
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- CN110216416A CN110216416A CN201910284087.2A CN201910284087A CN110216416A CN 110216416 A CN110216416 A CN 110216416A CN 201910284087 A CN201910284087 A CN 201910284087A CN 110216416 A CN110216416 A CN 110216416A
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- conical pipe
- bearing device
- weld groove
- welding
- circumferential weld
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of bearing device conical pipe circumferential weld groove manufacturing methods.Solve the problems, such as that fielding welding circumferential weld groove after previous bearing device conical pipe pressure test, manufacturing method are single outmoded.Retest of materials → machine add conical pipe inside and outside circle and big small end welding groove, osculum end stay hydraulic pressure surplus → scribing line, assembling and welding process materials → welding equipment conical pipe and the parts such as Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover → non-destructive testing → bulk heat treatmet → pressure test → cut off conical pipe hydraulic cover → draw groove line → using the machining tapered plumber of pipe end slope-mouth process girth weld groove and a transition → cut grinding process materials → non-destructive testing →.Circumferential weld groove quality and production efficiency, the economic benefit of processing are improved significantly.
Description
Technical field
The present invention relates to a kind of bearing device conical pipe circumferential weld groove manufacturing methods, are related to the weldering of bearing device conical pipe building site
Connect circumferential weld groove design and fabrication technology field.
Background technique
For a long time, bearing device heavy caliber conical pipe or cone, reduced pipe (abbreviation conical pipe) outer diameter 250~1000
Mm, 10~125 mm of wall thickness, due to conical by its shape, the fielding welding circumferential weld groove after pressure test is in the past in addition to taper
Outside the good groove of pipe single-piece work and use disposable scalene cone sealing heavy wall hydraulic pressure inner cover, higher cost, gas cutting is also used
Reconditioning groove is processed using the large scale equipments such as numerical control borer, edge lathe, and groove forming quality is poor, labor intensity is high or production
Low efficiency, manufacturing expense are high.Lead to bearing device manufacturing enterprise conical pipe fielding welding circumferential weld groove design and fabrication technology list
One, outmoded, backward, economic benefit is poor.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art, and then provide a kind of bearing device taper
Pipe ring stitches groove manufacturing method, optimization and improvement conical pipe fielding welding circumferential weld groove manufacturing method, improves bearing device design
With manufacturing technology level, production efficiency, product quality, economic benefit.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of bearing device conical pipe circumferential weld groove manufacturing method,
Material reinspection is carried out first, and machine adds conical pipe inside and outside circle and big small end welding groove, osculum end to stay pressure resistance after reinspection is qualified
Test surplus；
First scribing line and assembling and welding process materials, then welding equipment conical pipe and Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover；
It is welded, does non-destructive testing, then carry out bulk heat treatmet, then carry out pressure test；
After the completion of pressure test, cuts off conical pipe hydraulic cover and draw groove line, machining tapered using pipe end slope-mouth process
Plumber ground girth weld groove and transition；
It is carried out non-destructive testing after cutting grinding process materials.
The beneficial effects of the present invention are: efficiently solving a kind of previous bearing device conical pipe circumferential weld groove manufacturing method
It is single, outmoded, production efficiency is low, ropy problem.By technological innovation, make bearing device conical pipe fielding welding circumferential weld slope
Mouth and manufacturing method, quality, efficiency, economic benefit are optimized and are improved.
Detailed description of the invention
Fig. 1 is bearing device conical pipe circumferential weld divided edge structure schematic diagram.
Fig. 2 a is technique materials bearing device conical pipe circumferential weld groove manufacturing method left view when being cushion block.
Fig. 2 b is technique materials bearing device conical pipe circumferential weld groove manufacturing method main view when being cushion block.
Fig. 3 a is technique materials bearing device conical pipe circumferential weld groove manufacturing method left view when being annulus weldment.
Fig. 3 b is technique materials bearing device conical pipe circumferential weld groove manufacturing method main view when being annulus weldment.
Fig. 4 is bearing device conical pipe circumferential weld divided edge structure schematic diagram.
Fig. 5 is bearing device conical pipe circumferential weld groove manufacturing method schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail: the present embodiment is being with technical solution of the present invention
Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
A kind of bearing device conical pipe circumferential weld groove manufacturing method involved in the present embodiment,
Material reinspection is carried out first, and machine adds conical pipe inside and outside circle and big small end welding groove, osculum end to stay pressure resistance after reinspection is qualified
Test surplus；
First scribing line and assembling and welding process materials, then welding equipment conical pipe and Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover；
It is welded, does non-destructive testing, then carry out bulk heat treatmet, then carry out pressure test；
After the completion of pressure test, cuts off conical pipe hydraulic cover and draw groove line, move convenient and fast pipe end slope-mouth in use and add
Work machining tapered plumber ground girth weld groove and transition；
It is carried out non-destructive testing after cutting grinding process materials.
Specifically, conical pipe 1 is bearing device main pressurized element, both ends allow separately or concurrently with turnup structure；
Fielding welding circumferential weld groove 2 is machined after product pressure test using pipe end slope-mouth process；Pressure test surplus 3 is used for product
Conical pipe and hydraulic cover weld when pressure test；It is docked with bearing device case weld end 4 with bearing device or corner joint
Welding；Technique materials are cushion block or annulus weldment 6；As shown in Fig. 2 a, Fig. 2 b, 3 cushion blocks are evenly arranged, 40~60 mm of thickness,
Inner surface is parallel with conical pipe axis 8 and equidistant after welding equipment；As shown in Figure 3a, 3b, annulus weldment 6 is to roll steel plate or steel pipe
Material clout, 8~30 mm of thickness, can 3~4 sections of spot welding splicing, in favor of being removed with rear reconditioning, annulus weldment 6 is in product entirety
Welding before heat treatment, after product pressure test is qualified by the installation of three-jaw pipe end slope-mouth process machine inner bearing type, grip to add
Work circumferential weld groove is removed annulus weldment 6 after retaining wall on slope is qualified and is polished；Weld seam 7 is few by groove circumferential direction is located proximate in figure
Amount welding, in favor of removing annulus weldment 6 with rear reconditioning.
Embodiment 1, as shown in figure 4, the conical pipe specification φ w1100/ φ 750, wall thickness of certain bearing device and barrel soldering
48 mm, 11 ° of cone angle, length L, 30 mm of fielding welding circumferential weld groove thickness, 30 mm of pressure test hydraulic pressure surplus.
The technical process: retest of materials → machine adds conical pipe inside and outside circle and big small end welding groove, osculum end to stay water
Discard amount → welding equipment conical pipe and the parts → non-destructive testing → bulk heat treatmet such as Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover →
Pressure test → cut off conical pipe hydraulic cover → drawing groove line → cuts mill or processes building site weldering on large-scale borer or side vehicle
Connect circumferential weld groove and transition → groove non-destructive testing.It is second-rate or machine adds groove manufacturing expense big to cut mill groove.
According to the technique and scheme of the present invention, as shown in figure 5, in taper pipe internal surface appropriate location 3 temporary backings of welding equipment,
Thickness selects 50 mm, numerical control oxygen-acetylene cutting.
The conical pipe technical process of innovation: retest of materials → machine add conical pipe inside and outside circle and big small end welding groove,
Stay hydraulic pressure surplus → scribing line, assembling and welding process materials → welding equipment conical pipe and Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover in osculum end
Equal parts → non-destructive testing → bulk heat treatmet → pressure test → cuts off conical pipe hydraulic cover → drawing groove line → and uses pipe end
Retaining wall on slope machining conical pipe fielding welding circumferential weld groove and transition → cut grinding process materials → non-destructive testing →.The ring of processing
Seam groove quality and production efficiency, economic benefit are improved significantly.
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention
Different implementations under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all cover of the invention
Within protection scope.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (8)
1. a kind of bearing device conical pipe circumferential weld groove manufacturing method, its step are as follows:
Material reinspection is carried out first, and machine adds conical pipe inside and outside circle and big small end welding groove, osculum end to stay pressure resistance after reinspection is qualified
Test surplus；
First scribing line and assembling and welding process materials, then welding equipment conical pipe and Circumferential Welds In Cylinders, adapter tube and attachment, hydraulic cover；
It is welded, does non-destructive testing, then carry out bulk heat treatmet, then carry out pressure test；
After the completion of pressure test, cuts off conical pipe hydraulic cover and draw groove line, machining tapered using pipe end slope-mouth process
Plumber ground girth weld groove and transition；
It is carried out non-destructive testing after cutting grinding process materials.
2. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: the taper
Pipe bearing device main pressurized element both ends can have turnup structure.
3. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: the pressure resistance
It tests surplus and is used for conical pipe and hydraulic cover welding when product pressure test.
4. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: the building site
Girth weld groove 2 is machined after product pressure test using pipe end slope-mouth process.
5. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: with bearing device
Case weld end is docked with bearing device or corner joint welding.
6. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: technique materials are
Cushion block or annulus weldment.
7. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: technique materials exist
Welding before product bulk heat treatmet, after product pressure test is qualified by the installation of three-jaw pipe end slope-mouth process machine inner bearing type, clamping
It is fixed to process circumferential weld groove, remove technique materials after retaining wall on slope is qualified and polish.
8. bearing device conical pipe circumferential weld groove manufacturing method according to claim 1, it is characterised in that: position while welding leans on
Nearly fielding welding circumferential weld groove circumferential direction welding, in favor of removing technique materials with rear reconditioning.
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| CN201910284087.2A CN110216416A (en) | 2019-04-10 | 2019-04-10 | Bearing device conical pipe circumferential weld groove manufacturing method |
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| CN201910284087.2A CN110216416A (en) | 2019-04-10 | 2019-04-10 | Bearing device conical pipe circumferential weld groove manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523713A (en) * | 2021-05-28 | 2021-10-22 | 常州旷达威德机械有限公司 | Method for processing eccentric cone |
| CN116944681A (en) * | 2023-09-19 | 2023-10-27 | 迪森(常州)能源装备有限公司 | Automatic pressure-resistant welding device and method for circumferential seams of pressure containers |
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| GB2002320B (en) * | 1977-07-08 | 1982-07-21 | Schultz R | Collapsible dispensing tube |
| DE2461420C2 (en) * | 1974-12-24 | 1984-06-07 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Process for the production of water-cooled contact jaws for melting furnaces |
| CN101214511A (en) * | 2007-12-29 | 2008-07-09 | 番禺珠江钢管有限公司 | Large straight-line joint submerged arc welding tube fast production process |
| CN102407425A (en) * | 2010-09-26 | 2012-04-11 | 上海月月潮钢管制造有限公司 | Manufacturing method of marine steel ventilation steel pipe |
| CN204867661U (en) * | 2015-08-02 | 2015-12-16 | 冯培永 | Steel pipe groove preparation device |
| CN106694611A (en) * | 2016-12-22 | 2017-05-24 | 东方电气集团东方汽轮机有限公司 | Method for rolling cone-shaped tube through steel plate |
| CN108581383A (en) * | 2018-04-28 | 2018-09-28 | 哈尔滨锅炉厂有限责任公司 | A kind of bearing device conical head and its manufacturing method |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2461420C2 (en) * | 1974-12-24 | 1984-06-07 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Process for the production of water-cooled contact jaws for melting furnaces |
| GB2002320B (en) * | 1977-07-08 | 1982-07-21 | Schultz R | Collapsible dispensing tube |
| CN101214511A (en) * | 2007-12-29 | 2008-07-09 | 番禺珠江钢管有限公司 | Large straight-line joint submerged arc welding tube fast production process |
| CN102407425A (en) * | 2010-09-26 | 2012-04-11 | 上海月月潮钢管制造有限公司 | Manufacturing method of marine steel ventilation steel pipe |
| CN204867661U (en) * | 2015-08-02 | 2015-12-16 | 冯培永 | Steel pipe groove preparation device |
| CN106694611A (en) * | 2016-12-22 | 2017-05-24 | 东方电气集团东方汽轮机有限公司 | Method for rolling cone-shaped tube through steel plate |
| CN108581383A (en) * | 2018-04-28 | 2018-09-28 | 哈尔滨锅炉厂有限责任公司 | A kind of bearing device conical head and its manufacturing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523713A (en) * | 2021-05-28 | 2021-10-22 | 常州旷达威德机械有限公司 | Method for processing eccentric cone |
| CN116944681A (en) * | 2023-09-19 | 2023-10-27 | 迪森(常州)能源装备有限公司 | Automatic pressure-resistant welding device and method for circumferential seams of pressure containers |
| CN116944681B (en) * | 2023-09-19 | 2023-11-21 | 迪森(常州)能源装备有限公司 | Automatic pressure-resistant welding device and method for circumferential seams of pressure containers |
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Application publication date: 20190910 |
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