JPS57151004A - Fall-off stopper of moving blade - Google Patents
Fall-off stopper of moving bladeInfo
- Publication number
- JPS57151004A JPS57151004A JP3532281A JP3532281A JPS57151004A JP S57151004 A JPS57151004 A JP S57151004A JP 3532281 A JP3532281 A JP 3532281A JP 3532281 A JP3532281 A JP 3532281A JP S57151004 A JPS57151004 A JP S57151004A
- Authority
- JP
- Japan
- Prior art keywords
- pin
- ring
- moving blade
- stopper
- fall
- 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.)
- Granted
Links
Classifications
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE:To improve reliability of a fall-off stopper, by extending pins through a wheel rib, forming hollowed parts in dovetail bottom faces for moving blades, fitting an end part of the pin to said hollowed part, equipping a ring spring to a ring-shaped groove of the wheel rib and preventing the pin from falling off. CONSTITUTION:Pin holes 6, extending through a wheel rib part 1b from dovetail grooves 1a in a wheel 1, are formed. A ring-shaped groove 7 is formed to the wheel rib part 1b in an internal peripheral side of the pin hole 6. A hollowed part 8 is formed in the bottom face of a dovetail part 3a in a moving blade 3. A pin 9 is inserted into the pin hole 6, and its one end part is fitted to the hollowed part 8, then a ring spring 10 is mounted to the ring-shaped groove 7 to prevent the pin 9 from falling off. In this way, high reliability in a fall-off stopper of the moving blade can be obtained, while a damping effect of the moving blade is not worsened for vibration, further replacement of the blade can be easily performed at each sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3532281A JPS57151004A (en) | 1981-03-13 | 1981-03-13 | Fall-off stopper of moving blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3532281A JPS57151004A (en) | 1981-03-13 | 1981-03-13 | Fall-off stopper of moving blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57151004A true JPS57151004A (en) | 1982-09-18 |
| JPS6254961B2 JPS6254961B2 (en) | 1987-11-17 |
Family
ID=12438571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3532281A Granted JPS57151004A (en) | 1981-03-13 | 1981-03-13 | Fall-off stopper of moving blade |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57151004A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343489C (en) * | 2002-12-11 | 2007-10-17 | 通用电气公司 | Method and device for assembling turbine engine |
| CN102022140A (en) * | 2010-12-28 | 2011-04-20 | 成都发动机（集团）有限公司 | Mode for mounting independently detachable blades of turbine rotor |
-
1981
- 1981-03-13 JP JP3532281A patent/JPS57151004A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343489C (en) * | 2002-12-11 | 2007-10-17 | 通用电气公司 | Method and device for assembling turbine engine |
| CN102022140A (en) * | 2010-12-28 | 2011-04-20 | 成都发动机（集团）有限公司 | Mode for mounting independently detachable blades of turbine rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6254961B2 (en) | 1987-11-17 |
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