DE2326977A1 - Verfahren und einrichtung zum vorspannen hochbelasteter dehnschrauben und deren gestaltung - Google Patents
Verfahren und einrichtung zum vorspannen hochbelasteter dehnschrauben und deren gestaltungInfo
- Publication number
- DE2326977A1 DE2326977A1 DE19732326977 DE2326977A DE2326977A1 DE 2326977 A1 DE2326977 A1 DE 2326977A1 DE 19732326977 DE19732326977 DE 19732326977 DE 2326977 A DE2326977 A DE 2326977A DE 2326977 A1 DE2326977 A1 DE 2326977A1
- Authority
- DE
- Germany
- Prior art keywords
- expansion
- contact surface
- expansion screw
- screw
- shaft
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000013461 design Methods 0.000 title description 6
- 238000009413 insulation Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 8
- 230000036316 preload Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 240000002129 Malva sylvestris Species 0.000 claims 1
- 235000006770 Malva sylvestris Nutrition 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 235000013351 cheese Nutrition 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 14
- 238000013459 approach Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003763 resistance to breakage Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/067—Bolt tensioners
- B23P19/068—Bolt tensioners by using heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/04—Screwed connections specially modified in view of tensile load; Break-bolts for maintaining a tensile load
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16653772A DD99642A1 (US20020128544A1-20020912-P00008.png) | 1972-10-30 | 1972-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2326977A1 true DE2326977A1 (de) | 1974-05-02 |
Family
ID=5488710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732326977 Pending DE2326977A1 (de) | 1972-10-30 | 1973-05-26 | Verfahren und einrichtung zum vorspannen hochbelasteter dehnschrauben und deren gestaltung |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348674B1 (en) * | 2000-08-25 | 2002-02-19 | Larry R. Russell | Method and apparatus for pretensioning remotely installed clamps and flanges |
-
1972
- 1972-10-30 DD DD16653772A patent/DD99642A1/xx unknown
-
1973
- 1973-05-26 DE DE19732326977 patent/DE2326977A1/de active Pending
- 1973-10-29 FR FR7338423A patent/FR2205083A5/fr not_active Expired
- 1973-10-30 NL NL7314891A patent/NL7314891A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7314891A (US20020128544A1-20020912-P00008.png) | 1974-05-02 |
| FR2205083A5 (US20020128544A1-20020912-P00008.png) | 1974-05-24 |
| DD99642A1 (US20020128544A1-20020912-P00008.png) | 1973-08-20 |
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