CN104942521A - Tool capable of reducing inner hole deformation after nuclear pipe welding - Google Patents
Tool capable of reducing inner hole deformation after nuclear pipe welding Download PDFInfo
- Publication number
- CN104942521A CN104942521A CN201510384777.7A CN201510384777A CN104942521A CN 104942521 A CN104942521 A CN 104942521A CN 201510384777 A CN201510384777 A CN 201510384777A CN 104942521 A CN104942521 A CN 104942521A
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- CN
- China
- Prior art keywords
- block
- support bar
- oil cylinder
- supporting tool
- ring
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- 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.)
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Classifications
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- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a tool capable of reducing inner hole deformation after nuclear pipe welding. Two supporting tool bodies arranged front and back are arranged at an inlet of a straight pipe in a 90-degree mode. Each supporting tool body is composed of an upper supporting block, an upper check ring, a supporting rod A, a steel pipe, an oil cylinder, a lower check ring, a supporting rod B and a lower supporting block, wherein the upper check ring is arranged at the top end of the steel pipe, the lower check ring is arranged at the bottom end of the steel pipe, the supporting rod A is arranged at the upper portion of the interior of the steel pipe, the upper end of the supporting rod A penetrates through the upper check ring to be connected with the upper supporting block, the oil cylinder and the supporting rod B are sequentially arranged at the lower end of the supporting rod A downwards, and the lower end of the supporting rod B penetrates through the lower check ring to be connected with the lower supporting block. By means of the tool, site operation is simple and convenient, disassembling is convenient, repeated use can be achieved, slippage of the supporting tool bodies can be prevented, the smoothness of an inner hole of a product can be prevented from being damaged, the production efficiency is improved, and the deformation of the inner hole of a large-diameter pipe welding connector is effectively reduced.
Description
Technical field
The invention belongs to welder field, particularly a kind of frock reducing Internal Hole Deformation after core pipeline welding.
Background technology
Primary Ioops main pipeline belongs to core one-level parts, primarily of parts compositions such as straight tube, elbow, inclined pipe, joints, wherein straight tube bevel welding inclined pipe wherein makes one of difficult point, and mainly because straight tube external diameter is large, wall thickness is large, weld seam is long and large, after welding, distortion seriously.
General heavy caliber straight tube is when bevel welding inclined pipe, jack can be used to support at endoporus, because the push rod on thousand tops is that carbon steel is made, and the contact area of push rod and product endoporus is little, so there will be the shortcoming such as fineness, generation iron preventing pollution, support zone skidding, operation inconvenience of destroy product endoporus.Being out of shape serious shortcoming except methods such as conventional prestrain method, weld preheating, hammering method, small area analysis layering weldering, control interlayer temperatures for solving, also needing design one at straight tube endoporus supporting tool to reduce welding deformation.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above.
The object of the present invention is achieved like this: a kind of frock reducing Internal Hole Deformation after core pipeline welding, comprise inclined pipe, supporting tool, the rear end lower of inclined pipe is provided with straight tube, it is characterized in that: the two pieces supporting tool arranged before and after described straight tube entrance is provided with, two pieces supporting tool is mutually 90 degree of layouts; Supporting tool is made up of upper back-up block, upper back-up ring, support bar A, steel pipe, oil cylinder, lower back-up ring, support bar B, lower support block, the top of steel pipe is provided with back-up ring, the bottom of steel pipe is provided with lower back-up ring, top in steel pipe is provided with support bar A, support bar A upper end is connected with upper back-up block through after upper back-up ring, the lower end of support bar A is disposed with oil cylinder, support bar B downwards, and support bar B lower end is connected with lower support block through after lower back-up ring.
Described upper back-up block, support bar A, oil cylinder, support bar B, lower support block are on same center line.
Described outer ring, steel pipe bottom is provided with U-type groove, and the opening size of U-type groove is greater than the joint dimension of oil cylinder.
Described upper back-up block is sector structure, and the arc radius of upper back-up block outer ring is less than the radius of straight tube.
Described lower support block is sector structure, and the arc radius of lower support block outer ring is less than the radius of straight tube.
Comprise following operating procedure:
1), by each for supporting tool parts installation;
2), by supporting tool slowly insert straight tube endoporus, be pushed into the place needing to support;
3), the oil connection of oil cylinder is connected with manual pump by oil pipe;
4), use manual pump pressurization to make the upper back-up block of oil cylinder jack-up, supporting tool is supported to place;
5), etc. straight tube welded with inclined pipe, after weld seam cools completely, power is let out in oil cylinder oil return, take out supporting tool.
Execute-in-place of the present invention is simple and convenient, demolition convenient, can repeatedly use, prevent supporting tool from skidding, the fineness of destroy product endoporus can be avoided, improve production efficiency, efficiently reduce the Internal Hole Deformation amount of large diameter pipeline welding point, apply and there is good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is supporting tool structural representation of the present invention.
In figure: 1. inclined pipe; 2. supporting tool; 3. straight tube; Back-up block on 201.; Back-up ring on 202.; 203. support bar A; 204. steel pipe; 205. oil cylinder; 206. times back-up rings; 207. support bar B; 208. lower support blocks.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described, but not as limitation of the present invention:
A kind of frock reducing Internal Hole Deformation after core pipeline welding, comprise inclined pipe 1, supporting tool 2, the rear end lower of inclined pipe 1 is provided with straight tube 3, the two pieces supporting tool 2 arranged before and after described straight tube 3 entrance is provided with, and two pieces supporting tool 2 is mutually 90 degree of layouts; Supporting tool 2 is made up of upper back-up block 201, upper back-up ring 202, support bar A203, steel pipe 204, oil cylinder 205, lower back-up ring 206, support bar B207, lower support block 208, the top of steel pipe 204 is provided with back-up ring 202, the bottom of steel pipe 204 is provided with lower back-up ring 206, top in steel pipe 204 is provided with support bar A203, support bar A203 upper end is connected with upper back-up block 201 through after upper back-up ring 202, the lower end of support bar A203 is disposed with oil cylinder 205, support bar B207 downwards, and support bar B207 lower end is connected with lower support block 208 through after lower back-up ring 206; Described upper back-up block 201, support bar A203, oil cylinder 205, support bar B207, lower support block 208 are on same center line; Described outer ring, steel pipe 204 bottom is provided with U-type groove, and the opening size of U-type groove is greater than the joint dimension of oil cylinder 205; Described upper back-up block 201 is sector structure, and the arc radius of upper back-up block 201 outer ring is less than the radius of straight tube 3; Described lower support block 208 is sector structure, and the arc radius of lower support block 208 outer ring is less than the radius of straight tube 3.
Comprise following operating procedure: 1), by each for supporting tool 2 parts installation; 2), by supporting tool 2 slowly insert straight tube 3 endoporus, be pushed into the place needing to support; 3), the oil connection of oil cylinder 205 is connected with manual pump by oil pipe; 4), use manual pump pressurization to make the upper back-up block 201 of oil cylinder 205 jack-up, supporting tool 2 is supported to place; 5), etc. straight tube 3 welded with inclined pipe 1, after weld seam cools completely, power is let out in oil cylinder 205 oil return, take out supporting tool 2.
During concrete enforcement, 1), each parts information model stainless steel, can not iron pollution be produced when contacting with product endoporus; 2) arc surfaced is processed in the side that, upper and lower back-up block contacts with straight tube 3 endoporus, cambered surface is less than normal a little in the cambered surface of product endoporus, the contact area of back-up block and straight tube 3 endoporus can be increased, prevent supporting tool from skidding, also can avoid the fineness of destroy product endoporus; 3), support bar A203, upper back-up ring 202, upper back-up block 201, support bar B207, lower back-up ring 206, lower support block 208 all adopt stainless steel SUS304 material, upper end and upper back-up ring 202, the upper back-up block 201 of support bar A203 adopt manual argon arc welding by whole for connecting portion circle firm welding again after adopting and being threaded, support bar B207 lower end and lower back-up ring 206, lower support block 208 adopt manual argon arc welding by whole for connecting portion circle firm welding again after adopting and being threaded, greatly can strengthen the intensity that each parts connect; 4), oil cylinder 205 adopts one-way cylinder; 5), effectively can reduce straight tube 3 Internal Hole Deformation after large diameter pipeline welding point, ensure that welding quality, obtain client's accreditation; 6), execute-in-place is simple, demolition is convenient, can repeatedly use, improve operating efficiency.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here exhaustive without the need to also giving all embodiments, and thus the apparent change of amplifying out or variation be still among protection scope of the present invention.
Claims (2)
1. one kind reduces the frock of Internal Hole Deformation after core pipeline welding, comprise inclined pipe (1), supporting tool (2), the rear end lower of inclined pipe (1) is provided with straight tube (3), it is characterized in that: the two pieces supporting tool (2) arranged before and after described straight tube (3) entrance is provided with, two pieces supporting tool (2) is mutually 90 degree of layouts, supporting tool (2) is by upper back-up block (201), upper back-up ring (202), support bar A(203), steel pipe (204), oil cylinder (205), lower back-up ring (206), support bar B(207), lower support block (208) forms, the top of steel pipe (204) is provided with back-up ring (202), the bottom of steel pipe (204) is provided with lower back-up ring (206), top in steel pipe (204) is provided with support bar A(203), support bar A(203) upper end is connected with upper back-up block (201) afterwards through upper back-up ring (202), support bar A(203) lower end be disposed with oil cylinder (205) downwards, support bar B(207), support bar B(207) lower end is connected with lower support block (208) afterwards through lower back-up ring (206), upper back-up block (201), support bar A(203), oil cylinder (205), support bar B(207), lower support block (208) is on same center line, described steel pipe (204) outer ring, bottom is provided with U-type groove, and the opening size of U-type groove is greater than the joint dimension of oil cylinder (205), described upper back-up block (201) is sector structure, and the arc radius of upper back-up block (201) outer ring is less than the radius of straight tube (3), described lower support block (208) is sector structure, and the arc radius of lower support block (208) outer ring is less than the radius of straight tube (3).
2. a kind of frock reducing Internal Hole Deformation after core pipeline welding according to claim 1, is characterized in that: comprise following operating procedure:
1), by each for supporting tool (2) parts installation;
2), by supporting tool (2) slowly insert straight tube (3) endoporus, be pushed into the place needing to support;
3), the oil connection of oil cylinder (205) is connected with manual pump by oil pipe;
4), use manual pump pressurization to make back-up block (201) on oil cylinder (205) jack-up, supporting tool (2) is supported to place;
5), etc. straight tube (3) welded with inclined pipe (1), after weld seam cools completely, power is let out in oil cylinder (205) oil return, take out supporting tool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384777.7A CN104942521B (en) | 2015-07-04 | 2015-07-04 | A kind of method that use frock reduces Internal Hole Deformation after core pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384777.7A CN104942521B (en) | 2015-07-04 | 2015-07-04 | A kind of method that use frock reduces Internal Hole Deformation after core pipeline welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104942521A true CN104942521A (en) | 2015-09-30 |
| CN104942521B CN104942521B (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384777.7A Active CN104942521B (en) | 2015-07-04 | 2015-07-04 | A kind of method that use frock reduces Internal Hole Deformation after core pipeline welding |
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| CN (1) | CN104942521B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625136A (en) * | 2014-12-22 | 2015-05-20 | 西安航天动力机械厂 | Sectioning adjustable inner stretcher |
| CN105522303A (en) * | 2016-01-10 | 2016-04-27 | 大连金州重型机器集团有限公司 | Drum liner fitting-up device and using method thereof |
| CN107175457A (en) * | 2017-06-23 | 2017-09-19 | 安徽普伦智能装备有限公司 | A kind of tank car end weld fixture apparatus |
| CN109175879A (en) * | 2018-10-25 | 2019-01-11 | 哈尔滨锅炉厂有限责任公司 | Adjustable circle-supporting device and hold round method |
| CN109882658A (en) * | 2019-04-12 | 2019-06-14 | 祝传淇 | A kind of adaptable circular tube support frame |
| US20240165728A1 (en) * | 2022-11-22 | 2024-05-23 | Fca Us Llc | Extruded weld joint backing insert |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268594A (en) * | 1987-04-28 | 1988-11-07 | Sanwa Tekki Corp | Bevel alignment device for large diameter piping |
| EP0624425A1 (en) * | 1993-05-12 | 1994-11-17 | Framatome | Internal equipment for electron beam butt welding of annular workpieces, and method of use |
| CN201997863U (en) * | 2010-12-09 | 2011-10-05 | 西安优耐特容器制造有限公司 | Welding protection tool of circumferential weld |
| CN202571707U (en) * | 2012-03-21 | 2012-12-05 | 无锡圣贝尔机电有限公司 | Anti-deformation device for cylinder welding |
| CN202763328U (en) * | 2012-07-07 | 2013-03-06 | 江苏标新久保田工业有限公司 | Welding deformation control device |
| CN103692141A (en) * | 2013-11-04 | 2014-04-02 | 国家电网公司 | Auxiliary supporting tool for butt welding of barrels |
| CN204135595U (en) * | 2014-08-29 | 2015-02-04 | 刘德华 | Adjustable pipeline welding bracing frame |
-
2015
- 2015-07-04 CN CN201510384777.7A patent/CN104942521B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268594A (en) * | 1987-04-28 | 1988-11-07 | Sanwa Tekki Corp | Bevel alignment device for large diameter piping |
| EP0624425A1 (en) * | 1993-05-12 | 1994-11-17 | Framatome | Internal equipment for electron beam butt welding of annular workpieces, and method of use |
| CN201997863U (en) * | 2010-12-09 | 2011-10-05 | 西安优耐特容器制造有限公司 | Welding protection tool of circumferential weld |
| CN202571707U (en) * | 2012-03-21 | 2012-12-05 | 无锡圣贝尔机电有限公司 | Anti-deformation device for cylinder welding |
| CN202763328U (en) * | 2012-07-07 | 2013-03-06 | 江苏标新久保田工业有限公司 | Welding deformation control device |
| CN103692141A (en) * | 2013-11-04 | 2014-04-02 | 国家电网公司 | Auxiliary supporting tool for butt welding of barrels |
| CN204135595U (en) * | 2014-08-29 | 2015-02-04 | 刘德华 | Adjustable pipeline welding bracing frame |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625136A (en) * | 2014-12-22 | 2015-05-20 | 西安航天动力机械厂 | Sectioning adjustable inner stretcher |
| CN104625136B (en) * | 2014-12-22 | 2017-07-04 | 西安航天动力机械厂 | A kind of adjustable inner support tool of split-type |
| CN105522303A (en) * | 2016-01-10 | 2016-04-27 | 大连金州重型机器集团有限公司 | Drum liner fitting-up device and using method thereof |
| CN107175457A (en) * | 2017-06-23 | 2017-09-19 | 安徽普伦智能装备有限公司 | A kind of tank car end weld fixture apparatus |
| CN109175879A (en) * | 2018-10-25 | 2019-01-11 | 哈尔滨锅炉厂有限责任公司 | Adjustable circle-supporting device and hold round method |
| CN109882658A (en) * | 2019-04-12 | 2019-06-14 | 祝传淇 | A kind of adaptable circular tube support frame |
| US20240165728A1 (en) * | 2022-11-22 | 2024-05-23 | Fca Us Llc | Extruded weld joint backing insert |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104942521B (en) | 2017-07-04 |
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Address after: The new town Taizhou city Jiangsu province Lishi 214500 South Street No. 186 Applicant after: JIANGSU BIAOXIN INDUSTRY CO., LTD. Address before: The new town Taizhou city Jiangsu province Lishi 214500 South Street No. 186 Applicant before: Jiangsu Biaoxin Kubota Industrial Co., Ltd. |
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