CN103949679B - For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body - Google Patents
For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body Download PDFInfo
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- CN103949679B CN103949679B CN201410160671.4A CN201410160671A CN103949679B CN 103949679 B CN103949679 B CN 103949679B CN 201410160671 A CN201410160671 A CN 201410160671A CN 103949679 B CN103949679 B CN 103949679B
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- nut
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- hand thread
- thread section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
Abstract
For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body, it relates to a kind of thin walled cylinder body turnery processing bracing or strutting arrangement and extracting tool, process at horizontal lathe with the long thin walled cylinder body solved on existing turbine high-pressure control valve, sleeve is easily out of shape, the bad control of dimensional tolerance, cylindricity does not reach drawing requirement, causes the problem that percent defective is high.Bracing or strutting arrangement: left gasket sleeve is contained in the left end of interlude, left nut is threaded with left-hand thread section, and baffle ring is sleeved on the right-hand member of interlude, and right gasket sleeve is contained on right cylindrical section, and the first right nut is threaded with right-hand thread section.Extracting tool: long nut is arranged on the left end of long bolt, and long nut is threaded with long bolt, back-up ring and the second right nut are sleeved on the right-hand member of long bolt from the inside to the outside successively, and the second right nut is threaded with long bolt, casing pipe sleeve is contained on long bolt and long nut, and the right-hand member of sleeve pipe is connected with back-up ring.The present invention is used for the long thin walled cylinder body of processing vapor turbine control valve.
Description
Technical field
The present invention relates to a kind of thin walled cylinder body turnery processing bracing or strutting arrangement and extracting tool, be specifically related to a kind of bracing or strutting arrangement for processing thin-walled sleeve and dismantle the instrument of this thin walled cylinder body.
Background technology
The structure of turbine high-pressure control valve and middle pressure control valve is more complicated, and control valve component is various, comprises a lot of long thin walled cylinder body in component.The external diameter processing of existing long thin walled cylinder body is directly processed on horizontal lathe, because the tube wall of sleeve is very thin, some wall thickness only have 7 millimeter, add man-hour, first utilize the centre bore 10-1 of the processing thin-walled sleeve 10 of drilling machine and leave allowance, and needing on sleeve, to be positioned at Horizontal type lathe chuck end to be reserved with solid cut length, chuck jaw clamping cut length, after size thin walled cylinder body 10 endoporus, external diameter being machined to drawing requirement completes, then cut length is cut away.The sleeve of this method processing is easily out of shape, the bad control of dimensional tolerance, and cylindricity does not reach drawing requirement, causes percent defective high; Meanwhile, cutting action is added.
Summary of the invention
The present invention is that the long thin walled cylinder body solved on existing turbine high-pressure control valve is processed at horizontal lathe, sleeve is easily out of shape, the bad control of dimensional tolerance, cylindricity does not reach drawing requirement, cause percent defective high and increase the problem of cutting action, and then a kind of bracing or strutting arrangement for processing thin-walled sleeve is provided and dismantles the instrument of this thin walled cylinder body.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
Bracing or strutting arrangement for processing thin-walled sleeve of the present invention comprises multidiameter, left nut, left packing ring, baffle ring, right packing ring and the first right nut, described multidiameter is followed successively by left cylindrical section from left to right, left-hand thread section, interlude, right cylindrical section and right-hand thread section, the diameter of left-hand thread section is less than the diameter of interlude, the diameter of left cylindrical section is less than the diameter of left-hand thread section, the diameter of right cylindrical section and the diameter of right-hand thread section are all less than the diameter of interlude, the outer surface of left-hand thread section and right-hand thread section is equipped with screw thread, left gasket sleeve is contained in the left end of interlude, left nut is threaded with left-hand thread section, baffle ring is sleeved on the right-hand member of interlude, right gasket sleeve is contained on right cylindrical section, first right nut is threaded with right-hand thread section.
Instrument for dismantling thin walled cylinder body of the present invention comprises long bolt, long nut, sleeve pipe, back-up ring and the second right nut, long nut is arranged on the left end of long bolt, and long nut is threaded with long bolt, back-up ring and the second right nut are sleeved on the right-hand member of long bolt from the inside to the outside successively, and the second right nut is threaded with long bolt, casing pipe sleeve is contained on long bolt and long nut, and the right-hand member of sleeve pipe is connected with back-up ring.
The present invention has following beneficial effect:
One, before processing thin-walled sleeve, bracing or strutting arrangement for processing thin-walled sleeve of the present invention is arranged in thin walled cylinder body, and multidiameter and long thin walled cylinder body are interference fit, add man-hour thin walled cylinder body and become real chamber accordingly, make thin walled cylinder body add man-hour indeformable, dimensional tolerance easily controls, and cylindricity can reach drawing requirement, thus ensure that crudy, reduce percent defective.Utilize dismounting thin walled cylinder body tool ejector thin walled cylinder body convenient and swift, owing to being with sleeve pipe, thin walled cylinder body is ejected, therefore, the external diameter of thin walled cylinder body is not damaged.
Two, utilize the processing thin-walled sleeve of the present invention to eliminate cutting action, reduce manufacturing cost.
Three, the bracing or strutting arrangement of thin walled cylinder body and the instrument of dismounting thin walled cylinder body also have the advantages such as structure is simple, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the main sectional view of overall structure of the specific embodiment of the invention one;
Fig. 2 is the structural front view of multidiameter 1;
Fig. 3 is the main sectional view of overall structure of the specific embodiment of the invention one;
Fig. 4 is the using state figure be supported on by bracing or strutting arrangement of the present invention in thin walled cylinder body;
Fig. 5 is the using state figure of the tool ejector thin walled cylinder body utilizing dismounting thin walled cylinder body of the present invention.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 and Fig. 2 illustrate present embodiment, the bracing or strutting arrangement for processing thin-walled sleeve of present embodiment comprises multidiameter 1, left nut 2, left packing ring 3, baffle ring 4, right packing ring 5 and the first right nut 6, described multidiameter 1 is followed successively by left cylindrical section 1-1 from left to right, left-hand thread section 1-2, interlude 1-3, right cylindrical section 1-4 and right-hand thread section 1-5, the diameter of left-hand thread section 1-2 is less than the diameter of interlude 1-3, the diameter of left cylindrical section 1-1 is less than the diameter of left-hand thread section 1-2, the diameter of right cylindrical section 1-4 and the diameter of right-hand thread section 1-5 are all less than the diameter of interlude 1-3, the outer surface of left-hand thread section 1-2 and right-hand thread section 1-5 is equipped with screw thread, left packing ring 3 is sleeved on the left end of interlude 1-3, left nut 2 is threaded with left-hand thread section 1-2, baffle ring 4 is sleeved on the right-hand member of interlude 1-3, right packing ring 5 is sleeved on right cylindrical section 1-4, first right nut 6 is threaded with right-hand thread section 1-5.
Detailed description of the invention two: composition graphs 2 illustrates present embodiment, the diameter of the right-hand thread section 1-5 of present embodiment and the equal diameters of right cylindrical section 1-4.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 2 illustrates present embodiment, the end face of the right-hand thread section 1-5 of the multidiameter of present embodiment is provided with center hole 1-6.Other composition and annexation identical with detailed description of the invention one or two.
Detailed description of the invention four: composition graphs 3 illustrates present embodiment, present embodiment comprise long bolt 7, long nut 8, sleeve pipe 9, back-up ring 11 and the second right nut 12 for the instrument dismantling thin walled cylinder body, long nut 8 is arranged on the left end of long bolt 7, and long nut 8 is threaded with long bolt 7, back-up ring 11 and the second right nut 12 are sleeved on the right-hand member of long bolt 7 from the inside to the outside successively, and the second right nut 12 is threaded with long bolt 7, sleeve pipe 9 is sleeved on long bolt 7 and long nut 8, and the right-hand member of sleeve pipe 9 is connected with back-up ring 11.
Detailed description of the invention five: composition graphs 3 illustrates present embodiment, the end face that the back-up ring 11 of present embodiment is connected with sleeve pipe 9 is provided with draw-in groove 11-1 along edge, and the right-hand member of sleeve pipe 9 is arranged in draw-in groove 11-1.Such design avoids sleeve pipe 9 to depart from back-up ring 11 when pushing up long thin walled cylinder body 10.Other composition and annexation identical with detailed description of the invention four.
Utilize the application example of bracing or strutting arrangement of the present invention and the long thin walled cylinder body of extracting tool processing 600MW steam turbine control valve:
Step one, the centre bore 10-1 adding section chief's thin walled cylinder body 10 are of a size of
reach drawing requirement;
Step 2, by multidiameter 1 centering hole 10-1, interlude 1-3 and the centre bore 10-1 of multidiameter 1 have 0 ~ 0.05mm interference fit, left packing ring 3 and left nut 2 are arranged on the left end of multidiameter 1 from the inside to the outside successively, left nut 2 is threaded with left-hand thread section 1-2, baffle ring 4, right packing ring 5 and the first right nut 6 are arranged on the right-hand member of multidiameter 1 from the inside to the outside successively, see Fig. 4;
The left cylindrical section 1-1 of step 3, horizontal lathe head end chuck jaw clamping multidiameter, the top center hole 1-6 withstanding the right-hand thread section 1-5 end face of multidiameter of tailstock, the cylindrical of the long thin walled cylinder body 10 of turning reaches
drawing requirement;
After the cylindrical turning processing of step 4, long thin walled cylinder body 10, pull down workpiece from horizontal lathe, pull down left nut 2 and packing ring 3, pull down the first right nut 6, right packing ring 5 and baffle ring 4; See Fig. 5,
Step 5, long nut 8 to be threaded with right-hand thread section 1-5, again long bolt 7 is screwed in long nut 8, screw rod 7 and multidiameter 1 are linked together, sleeve pipe 9, back-up ring 11 and the second right nut 12 are sleeved on long bolt 7 from the inside to the outside successively, second right nut 12 is threaded with long bolt 7, sees Fig. 5, continues to screw the second right nut 12, by sleeve pipe 9, the left cylindrical section 1-1 of long thin walled cylinder body 10 from multidiameter 1 is ejected, namely complete processing and the dismounting of long thin walled cylinder body 10.
Claims (5)
1. the bracing or strutting arrangement for processing thin-walled sleeve, the described bracing or strutting arrangement for processing thin-walled sleeve comprises multidiameter (1), left nut (2), left packing ring (3), baffle ring (4), right packing ring (5) and the first right nut (6), described multidiameter (1) is followed successively by left cylindrical section (1-1) from left to right, left-hand thread section (1-2), interlude (1-3), right cylindrical section (1-4) and right-hand thread section (1-5), the diameter of left-hand thread section (1-2) is less than the diameter of interlude (1-3), the diameter of left cylindrical section (1-1) is less than the diameter of left-hand thread section (1-2), the diameter of right cylindrical section (1-4) and the diameter of right-hand thread section (1-5) are all less than the diameter of interlude (1-3), the outer surface of left-hand thread section (1-2) and right-hand thread section (1-5) is equipped with screw thread, left packing ring (3) is sleeved on the left end of interlude (1-3), left nut (2) is threaded with left-hand thread section (1-2), baffle ring (4) is sleeved on the right-hand member of interlude (1-3), right packing ring (5) is sleeved on right cylindrical section (1-4), first right nut (6) is threaded with right-hand thread section (1-5).
2. according to claim 1 for the bracing or strutting arrangement of processing thin-walled sleeve, it is characterized in that: the diameter of described right-hand thread section (1-5) and the equal diameters of right cylindrical section (1-4).
3. according to claim 1 or 2 for the bracing or strutting arrangement of processing thin-walled sleeve, it is characterized in that: the end face of the right-hand thread section (1-5) of described multidiameter is provided with center hole (1-6).
4. one kind for dismantling the instrument of thin walled cylinder body, it is characterized in that: the described instrument for dismantling thin walled cylinder body comprises long bolt (7), long nut (8), sleeve pipe (9), back-up ring (11) and the second right nut (12), long nut (8) is arranged on the left end of long bolt (7), and long nut (8) is threaded with long bolt (7), back-up ring (11) and the second right nut (12) are sleeved on the right-hand member of long bolt (7) from the inside to the outside successively, and the second right nut (12) is threaded with long bolt (7), sleeve pipe (9) is sleeved on long bolt (7) and long nut (8), the right-hand member of sleeve pipe (9) is connected with back-up ring (11).
5. according to claim 4 for dismantling the instrument of thin walled cylinder body, it is characterized in that: the end face that described back-up ring (11) is connected with sleeve pipe (9) is provided with draw-in groove (11-1) along edge, and the right-hand member of sleeve pipe (9) is arranged in draw-in groove (11-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160671.4A CN103949679B (en) | 2014-04-21 | 2014-04-21 | For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160671.4A CN103949679B (en) | 2014-04-21 | 2014-04-21 | For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103949679A CN103949679A (en) | 2014-07-30 |
| CN103949679B true CN103949679B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410160671.4A Active CN103949679B (en) | 2014-04-21 | 2014-04-21 | For processing thin-walled sleeve bracing or strutting arrangement and dismantle the instrument of this thin walled cylinder body |
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| CN (1) | CN103949679B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959844A (en) * | 2015-06-17 | 2015-10-07 | 苏州华冲精密机械有限公司 | Clamp device for machining long-cylinder thin-wall part |
| CN112548639A (en) * | 2021-01-20 | 2021-03-26 | 中核(天津)科技发展有限公司 | Clamping tool for axial slicing machining of thin-wall cylindrical part |
| CN114178557B (en) * | 2021-12-29 | 2023-08-15 | 湖北三江航天红阳机电有限公司 | Cylindrical skin processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742785B1 (en) * | 1999-07-09 | 2004-06-01 | Hainbuch Gmbh Spannende Technik | Clamping device, in particular for thin-walled hollow parts |
| CN201055954Y (en) * | 2007-07-24 | 2008-05-07 | 湘潭电机股份有限公司 | Sand tire central spindle mold for thin-wall long sleeve process |
| CN201143635Y (en) * | 2008-01-18 | 2008-11-05 | 上海东方泵业(集团)有限公司 | Sleeve barrel grinding jigs |
| CN201988972U (en) * | 2011-04-02 | 2011-09-28 | 苏州市职业大学 | Turning fixture of thin-wall sleeve |
| CN203804242U (en) * | 2014-04-21 | 2014-09-03 | 哈尔滨汽轮机厂有限责任公司 | Supporting device used for machining thin-wall sleeve and tool used for disassembling thin-wall sleeve |
-
2014
- 2014-04-21 CN CN201410160671.4A patent/CN103949679B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742785B1 (en) * | 1999-07-09 | 2004-06-01 | Hainbuch Gmbh Spannende Technik | Clamping device, in particular for thin-walled hollow parts |
| CN201055954Y (en) * | 2007-07-24 | 2008-05-07 | 湘潭电机股份有限公司 | Sand tire central spindle mold for thin-wall long sleeve process |
| CN201143635Y (en) * | 2008-01-18 | 2008-11-05 | 上海东方泵业(集团)有限公司 | Sleeve barrel grinding jigs |
| CN201988972U (en) * | 2011-04-02 | 2011-09-28 | 苏州市职业大学 | Turning fixture of thin-wall sleeve |
| CN203804242U (en) * | 2014-04-21 | 2014-09-03 | 哈尔滨汽轮机厂有限责任公司 | Supporting device used for machining thin-wall sleeve and tool used for disassembling thin-wall sleeve |
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| Publication number | Publication date |
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| CN103949679A (en) | 2014-07-30 |
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Effective date of registration: 20230220 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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