CN102785183B - Method and device for positioning dual-hole diamond-shaped pin of hot extruded and extracted pipe nozzle of nuclear power main steam super pipeline - Google Patents
Method and device for positioning dual-hole diamond-shaped pin of hot extruded and extracted pipe nozzle of nuclear power main steam super pipeline Download PDFInfo
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- CN102785183B CN102785183B CN201210318017.2A CN201210318017A CN102785183B CN 102785183 B CN102785183 B CN 102785183B CN 201210318017 A CN201210318017 A CN 201210318017A CN 102785183 B CN102785183 B CN 102785183B
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Abstract
The invention discloses a method and a device for positioning a dual-hole diamond-shaped pin of a hot extruded and extracted pipe nozzle of a nuclear power main steam super pipeline. A main pipe of the nuclear power main steam super pipeline is provided with three pipe nozzle preformed holes which are the same in geometric dimension and have the same distance among the holes; an external cylindrical surface of the main pipe of the nuclear power main steam super pipeline and an internal round surface, namely the supporting surface of a lower mould are matched; and a diamond-shaped positioning pin and a cylindrical positioning pin are adopted to be respectively cooperatively connected with a dual-hole diamond-shaped pin positioning device which consists of the preformed holes of the main pipe of the nuclear power main steam super-pipeline and the lower mould. The positioning method is practicable and the positioning device is simple; and the positioning method and the positioning device are applicable to the hot extruded and extracted pipe nozzles of the nuclear power main steam super-pipeline and the hot extruded and extracted pipe nozzles of other pipelines.
Description
Technical field
The invention belongs to localization method and the positioner thereof of a kind of nuclear power main steam super pipeline hot extrude tube drawing mouth in pipeline manufacturing technology field.
Background technology
Along with the manufacturing development of pipeline, needed for the development of especially nuclear power industry, main steam super pipeline is expanded day by day, and also the corresponding manufacturing technology to nuclear power main steam super pipeline hot extrude tube drawing mouth is also more and more higher.In known technology, the ozzle of nuclear power main steam super pipeline develops into and manages upper direct hot drawing from mother by welding ozzle and make ozzle.Need to position in the ozzle of hot drawing nuclear power main steam super pipeline, but existing nuclear power main steam super pipeline hot extrude tube drawing mouth does not have localization method and positioner thereof accurately, the ozzle quality that institute's hot extrude pulls out is unstable, and is equipped with and uses loaded down with trivial details.
Summary of the invention
In order to overcome above-mentioned prior art defect, to the invention provides a kind of localization method simple and feasible, detent mechanism is simple and practical, the ozzle steady quality that institute's hot extrude pulls out, and the localization method of nuclear power main steam super pipeline hot extrude tube drawing mouth equipped and easy to use.
The adopted technical scheme that solves the problem is:
A kind of holes rhombus finger setting method of nuclear power main steam super pipeline hot extrude tube drawing mouth, it goes out three ozzle pre-manufactured holes and the physical dimension in hole is identical, pitch-row is identical in the piping-main scheme of nuclear power main steam super pipeline, first rule on female pipe of pipeline, bore bore hole, aperture error≤0.5 ㎜, pitch-row error≤1.5 ㎜, squeezing can with adjacent ozzle pre-manufactured hole as locating hole when pulling out each ozzle, and the pitch-row of ozzle pre-manufactured hole equals the pitch-row of female pipe ozzle; Bed die is shaped with the hole that two apertures equal ozzle external diameter, a hole is locating hole, and another hole is die hole, and holes pitch-row is identical with the pitch-row of female pipe top fitting, pitch-row error≤1.5mm, and holes is also datum hole; The female external cylindrical surface of pipe of nuclear power main steam super pipeline and the inner headed face of bed die and supporting surface match.
The holes rhombus finger setting method of above-mentioned nuclear power main steam super pipeline hot extrude tube drawing mouth, it adopts and comprises diamond positioning pin, cylindrical positioning pins, bed die, clamp, the holes rhombus pin positioning device for use of block, diamond positioning pin is the rhombus pin of rhombus by the conjuncted cross section in cylinder body one end, middle part, the alignment pin of the conjuncted straight pin of the other end, the middle part cylinder body of diamond positioning pin is connected in the locating hole of bed die, rhombus pin to coordinate in the pre-manufactured hole inserting and be connected on the female pipe of nuclear power main steam super pipeline and by clamp clamping and positioning, cylindrical positioning pins comes directly towards conjuncted cylinder pin rod by cylinder and forms, the cylinder top portion of cylindrical positioning pins be connected in bed die die hole and connect location by block, cylinder pin rod is inserted in the pre-manufactured hole that is connected on the female pipe of nuclear power main steam super pipeline.
A kind of holes rhombus pin positioning device for use of nuclear power main steam super pipeline hot extrude tube drawing mouth, it comprises diamond positioning pin, cylindrical positioning pins, bed die, clamp, block, diamond positioning pin is the rhombus pin of rhombus by the conjuncted cross section in cylinder body one end, middle part, the alignment pin of the conjuncted straight pin of the other end, the middle part cylinder body of diamond positioning pin is connected in the locating hole of bed die, rhombus pin to coordinate in the pre-manufactured hole inserting and be connected on the female pipe of nuclear power main steam super pipeline and by clamp clamping and positioning, cylindrical positioning pins comes directly towards conjuncted cylinder pin rod by cylinder and forms, the cylinder top portion of cylindrical positioning pins be connected in bed die die hole and connect location by block, cylinder pin rod is inserted in the pre-manufactured hole that is connected on the female pipe of nuclear power main steam super pipeline.
The holes rhombus pin positioning device for use of above-mentioned nuclear power main steam super pipeline hot extrude tube drawing mouth, the length 50--100 ㎜ longer than female thickness of pipe wall of the rhombus pin of described diamond positioning pin and the cylinder lever pin of straight pin, namely the rhombus pin of diamond positioning pin and the cylinder lever pin of straight pin expose 50--100 ㎜ after inserting and connecting female pipe pre-manufactured hole.
The holes rhombus pin positioning device for use of above-mentioned nuclear power main steam super pipeline hot extrude tube drawing mouth, the female pipe external cylindrical surface of nuclear power main steam super pipeline at the both ends of described bed die is equiped with hydraulic jack respectively, and the V shaped slab holder of hydraulic jack push rod being equipped with 120 ° of elevations angle connects nuclear power main steam super pipeline mother pipe.
The holes rhombus finger setting method of above-mentioned nuclear power main steam super pipeline hot extrude tube drawing mouth and positioner, described cylindrical positioning pins is first extracted when carrying out the heating of female pipe, after having heated, then is inserted by cylindrical positioning pins, after falling to putting in place by female pipe, cylindrical positioning pins is extracted, then carries out draw operation; When draw is to last ozzle surplus, small column (d2) portion after being touched the pillow by diamond positioning pin coordinates in Inserting Tube nozzle aperture.This is localization method each other.
After being extracted by diamond positioning pin again before draw ozzle, then carry out draw operation; When last ozzle of draw, after being touched the pillow by diamond positioning pin, make in straight pin Inserting Tube nozzle aperture, mediate cylindrical is inserted in bed die locating hole.
When the present invention carries out the positioning operation of nuclear power main steam super pipeline hot extrude tube drawing mouth, first adjust portal frame, the female pipe of nuclear power main steam super pipeline is horizontal; Two jack stands, keep synchronous when falling female pipe; Can heater be put into after the enough female pipe jack-up of length of diamond positioning pin two ends pin, make female pipe not depart from alignment pin; Location is coordinated by the rhombus pin of diamond positioning pin and the thin cylindrical bar of cylindrical positioning pins and female pipe pre-manufactured hole.During heating, cylindrical positioning pins is extracted, again cylindrical positioning pins is extracted before ozzle draw, just carry out the operation of hot extrude draw ozzle.When last ozzle of draw, diamond positioning pin is extracted, inserts again after touching the pillow, with straight pin part and the ozzle hole minor diameter fit location of diamond positioning pin, to guarantee the precision of ozzle position.
Because the present invention's design have employed technique scheme, efficiently solve the problem of existing nuclear power main steam super pipeline hot extrude tube drawing mouth without localization method and positioner.Show through test for several times, it has localization method simple and feasible, and positioner is simple and practical, the ozzle steady quality that institute's hot extrude pulls out, and beneficial effect such as grade equipped and easy to use, be applicable to nuclear power main steam super pipeline hot extrude draw ozzle, and other pipeline hot extrude draw ozzle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Accompanying drawing 1 is structure diagram of the present invention.
Fig. 2 is the enlarged drawing of diamond positioning pin in Fig. 1.
Fig. 3 is that the A-A of Fig. 2 diamond positioning pin is to profile.
Fig. 4 is that the C-C of Fig. 2 diamond positioning pin is to profile.
Fig. 5 be in Fig. 1 cylindrical positioning pins along the profile of B-B line.
Fig. 6 be in Fig. 1 diamond positioning pin touch the pillow after straight pin end coordinate and insert the sectional view of connecting leg nozzle aperture.
Fig. 7 is the left view of hydraulic jack in Fig. 1.
In accompanying drawing, each label is: 1, slide unit on hydraulic press; 2, connecting rod is pressed down; 3, female pipe; 4, bed die; 5, clamp; 6, diamond positioning pin; The middle part cylinder body of d1, diamond positioning pin; The straight pin of d2, diamond positioning pin; The rhombus pin of d3, diamond positioning pin; 7, block; 8, cylindrical positioning pins; 9, hydraulic jack; 10, V shaped slab.
Detailed description of the invention
As embodiment illustrated in fig. 4 in accompanying drawing 1-, the holes rhombus finger setting method of nuclear power main steam super pipeline hot extrude tube drawing mouth of the present invention, it on female pipe 3 of nuclear power main steam super pipeline, makes three ozzle pre-manufactured holes and the physical dimension in hole is identical, pitch-row is identical, first rule on female pipe 3 of pipeline, bore bore hole, aperture error≤0.5 ㎜, pitch-row error≤1.5 ㎜, squeezing can with adjacent ozzle pre-manufactured hole as locating hole when pulling out each ozzle, the pitch-row of ozzle pre-manufactured hole equals the pitch-row of female pipe ozzle, bed die is shaped with the hole that two apertures equal ozzle external diameter, a hole is locating hole, another hole is die hole, holes pitch-row is identical with the pitch-row of female pipe top fitting, pitch-row error≤1.5mm, holes is also datum hole, the female external cylindrical surface of pipe 3 of nuclear power main steam super pipeline and the inner headed face of bed die 4 and supporting surface match.
Realize both bores rhombus finger setting method, have employed and be provided with diamond positioning pin 6, cylindrical positioning pins 8, bed die 4, clamp 5, the holes rhombus pin positioning device for use that block 7 forms, diamond positioning pin 6 is the rhombus pin d3 of rhombus by the conjuncted cross section in cylinder body d1 one end, middle part, the alignment pin of the conjuncted straight pin d2 of the other end, the middle part cylinder body d1 of diamond positioning pin 6 is connected in the locating hole of bed die, rhombus pin d3 to coordinate in the pre-manufactured hole inserting and be connected on the female pipe of nuclear power main steam super pipeline and by clamp 5 clamping and positioning, cylindrical positioning pins 8 comes directly towards conjuncted cylinder pin rod by cylinder and forms, the cylinder top portion of cylindrical positioning pins 8 be connected in bed die 4 die hole and connect location by block 7, cylinder pin rod is inserted in the pre-manufactured hole that is connected on the female pipe of nuclear power main steam super pipeline.
See accompanying drawing 1, Fig. 6 embodiment, the rhombus pin d3 of the diamond positioning pin 6 of the present embodiment and the length of cylindrical positioning pins 8 cylinder lever pin 60 ㎜s longer than female thickness of pipe wall; Cylindrical positioning pins 8 is first extracted when carrying out the heating of female pipe, after having heated, then is inserted by cylindrical positioning pins, and after falling to putting in place by female pipe, cylindrical positioning pins is extracted, then carries out draw operation; When last ozzle of draw, make in straight pin d2 Inserting Tube nozzle aperture after being touched the pillow by diamond positioning pin 6, mediate cylindrical d1 inserts in bed die locating hole, and to guarantee the precision of ozzle position, this is localization method each other.
See accompanying drawing 1, Fig. 7 embodiment, the present invention is also equiped with hydraulic jack 9 respectively at female pipe 3 external cylindrical surface of the nuclear power main steam super pipeline at the both ends being positioned at bed die 4, and the V shaped slab 10 hydraulic jack 9 push rod being equipped with 120 ° of elevations angle holds in the palm and connects the female pipe 3 of nuclear power main steam super pipeline.
Claims (5)
1. the holes rhombus finger setting method of a nuclear power main steam super pipeline hot extrude tube drawing mouth, it is characterized in that, it goes out three ozzle pre-manufactured holes and the physical dimension in hole is identical in the piping-main scheme of nuclear power main steam super pipeline, pitch-row is identical, first rule on female pipe of pipeline, bore bore hole, aperture error≤0.5 ㎜, pitch-row error≤1.5 ㎜, squeezing can with adjacent ozzle pre-manufactured hole as locating hole when pulling out each ozzle, the pitch-row of ozzle pre-manufactured hole equals the pitch-row of female pipe ozzle, bed die is shaped with the hole that two apertures equal ozzle external diameter, a hole is locating hole, another hole is die hole, holes pitch-row is identical with the pitch-row of female pipe top fitting, pitch-row error≤1.5mm, holes is also datum hole, the female external cylindrical surface of pipe of nuclear power main steam super pipeline and the inner headed face of bed die and supporting surface match,
Described method adopts and comprises diamond positioning pin (6), cylindrical positioning pins (8), bed die (4), clamp (5), the holes rhombus pin positioning device for use that block (7) forms, described diamond positioning pin (6) is the rhombus pin (d3) of rhombus by the conjuncted cross section in middle part cylinder body (d1) one end, the alignment pin of the conjuncted straight pin of the other end (d2), the middle part cylinder body (d1) of diamond positioning pin (6) is connected in the locating hole of bed die, rhombus pin (d3) to coordinate in the pre-manufactured hole inserting and be connected on the female pipe of nuclear power main steam super pipeline and by clamp (5) clamping and positioning, cylindrical positioning pins (8) comes directly towards conjuncted cylinder pin rod by cylinder and forms, the cylinder top portion of cylindrical positioning pins (8) be connected in bed die (4) die hole and connect location by block (7), cylinder pin rod is inserted in the pre-manufactured hole that is connected on the female pipe of nuclear power main steam super pipeline,
The female pipe external cylindrical surface of nuclear power main steam super pipeline at the both ends of bed die (4) is equiped with hydraulic jack (9) respectively, and V shaped slab (10) holder of hydraulic jack (9) push rod being equipped with 120 ° of elevations angle connects nuclear power main steam super pipeline mother pipe;
Described localization method carries out as follows:
First adjust portal frame, the female pipe of nuclear power main steam super pipeline is horizontal; Two jack stands, keep synchronous when falling female pipe; Can heater be put into after the enough female pipe jack-up of length of diamond positioning pin two ends pin, make female pipe not depart from alignment pin; Location is coordinated by the rhombus pin of diamond positioning pin and the thin cylindrical bar of cylindrical positioning pins and female pipe pre-manufactured hole; During heating, cylindrical positioning pins is extracted, again cylindrical positioning pins is extracted before ozzle draw, just carry out the operation of hot extrude draw ozzle; When last ozzle of draw, diamond positioning pin is extracted, inserts again after touching the pillow, with straight pin part and the ozzle hole minor diameter fit location of diamond positioning pin, to guarantee the precision of ozzle position.
2. the holes rhombus pin positioning device for use of a nuclear power main steam super pipeline hot extrude tube drawing mouth as used in claim 1, it is characterized in that, it comprises diamond positioning pin (6), cylindrical positioning pins (8), bed die (4), clamp (5), block (7), diamond positioning pin (6) is the rhombus pin (d3) of rhombus by the conjuncted cross section in middle part cylinder body (d1) one end, the alignment pin of the conjuncted straight pin of the other end (d2), the middle part cylinder body (d1) of diamond positioning pin (6) is connected in the locating hole of bed die, rhombus pin (d3) to coordinate in the pre-manufactured hole inserting and be connected on the female pipe of nuclear power main steam super pipeline and by clamp (5) clamping and positioning, cylindrical positioning pins (8) comes directly towards conjuncted cylinder pin rod by cylinder and forms, the cylinder top portion of cylindrical positioning pins (8) be connected in bed die (4) die hole and connect location by block (7), cylinder pin rod is inserted in the pre-manufactured hole that is connected on the female pipe of nuclear power main steam super pipeline.
3. the holes rhombus pin positioning device for use of nuclear power main steam super pipeline hot extrude tube drawing mouth according to claim 2, it is characterized in that, the rhombus pin (d3) of diamond positioning pin (6) and the length of cylindrical positioning pins (8) cylinder lever pin 50--100 ㎜ longer than female thickness of pipe wall.
4. the holes rhombus pin positioning device for use of nuclear power main steam super pipeline hot extrude tube drawing mouth according to claim 3, it is characterized in that, the female pipe external cylindrical surface of nuclear power main steam super pipeline at the both ends of bed die (4) is equiped with hydraulic jack (9) respectively, and V shaped slab (10) holder of hydraulic jack (9) push rod being equipped with 120 ° of elevations angle connects nuclear power main steam super pipeline mother pipe.
5. the holes rhombus pin positioning device for use of nuclear power main steam super pipeline hot extrude tube drawing mouth according to claim 4, it is characterized in that, diamond positioning pin (6) makes in straight pin (d2) Inserting Tube nozzle aperture after touching the pillow when last ozzle of draw, and mediate cylindrical (d1) is inserted in bed die locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318017.2A CN102785183B (en) | 2012-08-31 | 2012-08-31 | Method and device for positioning dual-hole diamond-shaped pin of hot extruded and extracted pipe nozzle of nuclear power main steam super pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318017.2A CN102785183B (en) | 2012-08-31 | 2012-08-31 | Method and device for positioning dual-hole diamond-shaped pin of hot extruded and extracted pipe nozzle of nuclear power main steam super pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102785183A CN102785183A (en) | 2012-11-21 |
| CN102785183B true CN102785183B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210318017.2A Expired - Fee Related CN102785183B (en) | 2012-08-31 | 2012-08-31 | Method and device for positioning dual-hole diamond-shaped pin of hot extruded and extracted pipe nozzle of nuclear power main steam super pipeline |
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| CN (1) | CN102785183B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106144984B (en) * | 2016-08-13 | 2017-08-29 | 江苏标新工业有限公司 | One kind pulls out hole jack lifting moving fixed platform |
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| EP0005177A1 (en) * | 1978-05-01 | 1979-11-14 | Westinghouse Electric Corporation | Tube bundle removal method and apparatus |
| US4391118A (en) * | 1979-06-04 | 1983-07-05 | United States Steel Corporation | Mechanism for forming a hole through a forged workpiece |
| US4901578A (en) * | 1988-05-20 | 1990-02-20 | Westinghouse Electric Corp. | Probe carrier drive assembly |
| CN201385228Y (en) * | 2009-02-19 | 2010-01-20 | 北京北内设备工具有限公司 | Positioning pin positioning device with adjustable precision |
| CN101767172A (en) * | 2009-12-31 | 2010-07-07 | 武汉重工铸锻有限责任公司 | Hot extrusion molding method for pipe nozzle of main steam super pipeline |
| CN201610885U (en) * | 2010-03-02 | 2010-10-20 | 叶春煌 | Positioning pin mechanism |
| CN102161071A (en) * | 2011-01-19 | 2011-08-24 | 北京国电富通科技发展有限责任公司 | Plug used for shaping of branch pipe of super pipeline and process for shaping branch pipe of pipeline by using the same |
-
2012
- 2012-08-31 CN CN201210318017.2A patent/CN102785183B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005177A1 (en) * | 1978-05-01 | 1979-11-14 | Westinghouse Electric Corporation | Tube bundle removal method and apparatus |
| US4391118A (en) * | 1979-06-04 | 1983-07-05 | United States Steel Corporation | Mechanism for forming a hole through a forged workpiece |
| US4901578A (en) * | 1988-05-20 | 1990-02-20 | Westinghouse Electric Corp. | Probe carrier drive assembly |
| CN201385228Y (en) * | 2009-02-19 | 2010-01-20 | 北京北内设备工具有限公司 | Positioning pin positioning device with adjustable precision |
| CN101767172A (en) * | 2009-12-31 | 2010-07-07 | 武汉重工铸锻有限责任公司 | Hot extrusion molding method for pipe nozzle of main steam super pipeline |
| CN201610885U (en) * | 2010-03-02 | 2010-10-20 | 叶春煌 | Positioning pin mechanism |
| CN102161071A (en) * | 2011-01-19 | 2011-08-24 | 北京国电富通科技发展有限责任公司 | Plug used for shaping of branch pipe of super pipeline and process for shaping branch pipe of pipeline by using the same |
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| CN102785183A (en) | 2012-11-21 |
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