CN107627176B - Aviation turbine guide blade is polished and is dismantled mounting fixture - Google Patents
Aviation turbine guide blade is polished and is dismantled mounting fixture Download PDFInfo
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- CN107627176B CN107627176B CN201710901048.3A CN201710901048A CN107627176B CN 107627176 B CN107627176 B CN 107627176B CN 201710901048 A CN201710901048 A CN 201710901048A CN 107627176 B CN107627176 B CN 107627176B
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- turbine guide
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Abstract
The invention discloses a fixing clamp for polishing and disassembling an aviation turbine guide blade, which is characterized in that two blade fixing devices symmetrically arranged about the center of a clamping turntable are arranged at the upper end of the clamping turntable, the turbine guide blade to be maintained is conveniently and fixedly clamped by the fixing devices, the blade fixing devices adopt a positioning block, an adjusting support, an eyelet bolt, an eccentric wheel and a fixing splint, the structure is simple, the installation is rapid, the clamping turntable is fixedly arranged on a fixed chassis, the position distribution of welding spots of the turbine guide blade is uneven, the position is not required to be moved during the polishing process of workers, the rotation of a workpiece is directly realized by rotating the clamping turntable, the polishing angle adjustment is realized, the structure is simple, the use is convenient, the molded surface of the upper surface of the positioning block is matched with the molded surface of a turbine guide blade flange, the eccentric wheel is a fork-shaped eccentric wheel, the part can be quickly aligned and mounted, and the part can be effectively protected from being damaged in the dismounting process.
Description
Technical Field
The invention belongs to an aviation turbine repairing clamp, and particularly relates to a fixing clamp for polishing and disassembling an aviation turbine guide blade.
Background
The air turbine guide blade overhaul in-process need polish the solder joint, dismantle the air conditioning pipe, and there is not dedicated mounting fixture when present part is polished, it is fixed to use a plurality of fixing device to carry out the clamping usually, it is complicated to press from both sides tight and loosen the process operation, the part clamping height is too high, the adjustment position is difficult, and lead to the fact wearing and tearing easily to air turbine guide blade, clamping in-process workman clamping must use spanner and screwdriver when clamping and loosening the part, the operation process is troublesome, the part clamping height is too high, the arm does not support when handheld air gun is polished, very easy tired, in addition, because part solder joint position is inhomogeneous, it is very inconvenient to polish in-process angle of adjustment, there is not unified anchor clamps, cause part disappearance scheduling problem easily in.
Disclosure of Invention
The invention aims to provide a fixing clamp for polishing and disassembling an aviation turbine guide blade, which overcomes the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
A fixing clamp for polishing and disassembling an aviation turbine guide blade comprises a fixed base and a clamping turntable arranged at the upper end of the fixed base, wherein two blade fixing devices are arranged at the upper end of the clamping turntable and are arranged in a central symmetry mode with respect to the clamping turntable; the blade fixing device comprises a positioning block, an adjusting support, an eyelet bolt, an eccentric wheel and a fixed clamping plate, wherein the positioning block, a movable bolt and the adjusting support are fixed on a clamping turntable, the adjusting support is positioned between the movable bolt and the positioning block, the fixed clamping plate is L-shaped, a through hole is formed in the middle of the fixed clamping plate, the fixed clamping plate is sleeved on the adjusting support, one end of the fixed clamping plate is hinged to the upper end of the movable bolt, the other end of the fixed clamping plate is positioned at the upper end of the positioning block, the upper end of the adjusting support is hinged to the eccentric wheel.
Furthermore, the positioning block is fixed on the clamping turntable through an inner hexagon bolt.
Furthermore, the profile of the upper surface of the positioning block is matched with the profile of the flange plate of the guide blade of the turbine, and the eccentric wheel is a fork-shaped eccentric wheel.
Furthermore, the upper end of the fixed base is a groove, a plurality of universal balls are evenly arranged in the groove on the fixed base in the circumferential direction, and an arc-shaped groove face which is used for being in matched contact with the universal balls is arranged at the bottom of the clamping turntable.
Furthermore, clamping carousel side circumference is equipped with the draw-in groove, unable adjustment base lateral wall fixed mounting has a plurality of fixed dogs, and fixed dog is L type dog, and in the L type horizontal limit card of fixed dog was gone into the draw-in groove of clamping carousel side, the L type vertical limit of fixed dog passed through fastening screw to be fixed on unable adjustment base.
Furthermore, a turntable locking device is fixedly mounted on the side wall of the fixed base.
Furthermore, the turntable locking device comprises a support block fixed on the side wall of the fixed base through a bolt, a transverse thread through hole is formed in the support block, a compression screw is arranged in the thread through hole in the support block, and a star-shaped handle is fixed at the outer end of the compression screw.
furthermore, two lifting ring screws which are arranged in a centrosymmetric manner are arranged on the clamping turntable.
Furthermore, the positioning block and the fixed clamping plate are both made of MC nylon materials.
Compared with the prior art, the invention has the following beneficial technical effects:
The fixing clamp for grinding and disassembling the aviation turbine guide blade is simple in structure and convenient to install, the clamping rotary disk is fixedly installed on the fixed base plate, and the grinding angle adjustment is realized by directly rotating the clamping rotary disk without moving the position due to uneven distribution of welding spots of the turbine guide blade.
furthermore, the profile of the upper surface of the positioning block is matched with the profile of the flange plate of the guide blade of the turbine, the eccentric wheel is a fork-shaped eccentric wheel, and the positioning block and the fixing clamp plate are both made of MC nylon materials, so that the part can be quickly aligned and installed, and the part can be effectively protected from being damaged in the dismounting process.
Furthermore, two lifting ring screws which are arranged in a centrosymmetric mode are arranged on the clamping rotary table, and lubrication and maintenance of the clamping rotary table are facilitated.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a top view of fig. 1.
Wherein, 1, fixing the base; 2. clamping the turntable; 3. positioning blocks; 4. adjusting and supporting; 5. an eye bolt; 6. an eccentric wheel; 7. fixing the clamping plate; 8. a spring; 9. a ball transfer unit; 10. fixing a stop block; 11. a turntable locking device; 12. supporting a block; 13. a compression screw; 14. a star-shaped handle; 15. an eye screw.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
As shown in fig. 1 to 3, the fixing clamp for polishing and disassembling the guide blade of the aviation turbine comprises a fixed base 1 and a clamping turntable 2 arranged at the upper end of the fixed base 1, wherein two blade fixing devices are arranged at the upper end of the clamping turntable 2, and the two blade fixing devices are arranged in a central symmetry manner about the clamping turntable; the blade fixing device comprises a positioning block 3, an adjusting support 4, an eyelet bolt 5, an eccentric wheel 6 and a fixed splint 7, the positioning block 3 is fixed on a clamping turntable 2 through an inner hexagon bolt, a movable bolt 5 and the adjusting support 4 are both fixed on the clamping turntable 2, the adjusting support 4 is positioned between the movable bolt 5 and the positioning block 3, the fixed splint 7 is L-shaped, a through hole is arranged in the middle of the fixed splint 7 and is sleeved on the adjusting support 4, one end of the fixed splint 7 is hinged with the upper end of the movable bolt 5, the other end is positioned at the upper end of the positioning block 3, the upper end of the adjusting support 4 is hinged with the eccentric wheel 6, a spring 8 is sleeved on the adjusting support 4, the upper end of the spring 8 is contacted with the lower bottom surface of the fixed splint 7, the eccentric wheel 6 is a fork-shaped eccentric wheel, the upper surface profile of the positioning block 3 is matched with the profile of the flange, clamping 2 bottoms of carousel are equipped with the arc groove face that is used for contacting with universal ball cooperation, clamping carousel side circumference is equipped with the draw-in groove, unable adjustment base 1 lateral wall fixed mounting has a plurality of fixed dog 10, fixed dog 10 is L type dog, the L type horizontal limit card of fixed dog 10 is gone into in the draw-in groove of clamping carousel side, the L type vertical limit of fixed dog 10 passes through fastening screw to be fixed on unable adjustment base 1, it has carousel locking device 11 still to fix on the unable adjustment base 1 lateral wall, carousel locking device 11 includes a piece 12 of fixing on unable adjustment base 1 lateral wall through the bolt, be equipped with horizontal screw thread through-hole on a piece 12, be equipped with housing screw 13 in the screw through-hole on a piece 12, housing screw 13 outer end is fixed with star handle 14. Two lifting ring screws 15 which are arranged in a centrosymmetric manner are arranged on the clamping turntable 2. The positioning block and the fixed splint are both made of MC nylon materials.
In the use, place the turbine guide blade reason board type of waiting to maintain on locating piece 3 on clamping carousel 2, then make solid splint 7 downstream through rotating eccentric wheel 6, with turbine guide blade reason board compaction on locating piece 3, in order to guarantee that turbine guide blade reason board is fixed, then through carousel locking device 11 with clamping carousel 2 locking on unable adjustment base 1, in order to the maintenance personal maintenance of polishing, install clamping carousel 2 through universal ball 9 and unable adjustment base 1, be convenient for clamping carousel 2 rotates arbitrary position, the in-process workman of polishing can be according to the needs of polishing of different solder joints, carry out rotation adjustment fast. The profile of the upper surface of the positioning block 3 is matched with the profile of the edge plate of the turbine guide blade, so that the part can be quickly aligned and installed and can be effectively protected from being damaged in the dismounting process.
Claims (7)
1. The fixing clamp for polishing and disassembling the guide blade of the aviation turbine is characterized by comprising a fixed base (1) and a clamping turntable (2) arranged at the upper end of the fixed base (1), wherein two blade fixing devices are arranged at the upper end of the clamping turntable (2), and are arranged in a central symmetry manner about the clamping turntable; the blade fixing device comprises a positioning block (3), an adjusting support (4), an eyelet bolt (5), an eccentric wheel (6) and a fixing splint (7), the positioning block (3), a movable bolt (5) and the adjusting support (4) are all fixed on a clamping turntable (2), the adjusting support (4) is positioned between the movable bolt (5) and the positioning block (3), a through hole is arranged in the middle of the fixing splint (7) and is sleeved on the adjusting support (4), one end of the fixing splint (7) is hinged with the upper end of the movable bolt (5), the other end of the fixing splint is positioned at the upper end of the positioning block (3), the eccentric wheel (6) is hinged with the upper end of the adjusting support (4), a spring (8) is sleeved on the adjusting support (4), the upper end of the spring (8) is contacted with the lower bottom surface of the fixing splint (7), the fixing splint (7) is L-shaped, the molded surface, the eccentric wheel (6) is a fork-shaped eccentric wheel, the upper end of the fixed base (1) is provided with a groove, a plurality of universal balls (9) are uniformly arranged in the groove on the fixed base in the circumferential direction, and the bottom of the clamping turntable (2) is provided with an arc groove surface which is in fit contact with the universal balls.
2. the grinding, dismounting and fixing clamp for the aviation turbine guide blade as claimed in claim 1, wherein the positioning block (3) is fixed on the clamping turntable (2) through a hexagon socket head cap screw.
3. The aviation turbine guide blade grinding and dismounting fixture as claimed in claim 1, wherein a clamping groove is circumferentially formed in the side surface of the clamping turntable, a plurality of fixed stop dogs (10) are fixedly mounted on the side wall of the fixing base (1), the fixed stop dogs (10) are L-shaped stop dogs, L-shaped transverse edges of the fixed stop dogs (10) are clamped into the clamping groove in the side surface of the clamping turntable, and L-shaped vertical edges of the fixed stop dogs (10) are fixed on the fixing base (1) through fastening screws.
4. The aviation turbine guide blade grinding, dismounting and fixing clamp as claimed in claim 1, wherein a turntable locking device (11) is further fixedly mounted on the side wall of the clamping turntable (2).
5. The grinding and dismounting fixture for the aviation turbine guide blade is characterized in that the turntable locking device (11) comprises a support block (12) fixed on the side wall of the fixing base (1) through a bolt, a transverse threaded through hole is formed in the support block (12), a compression screw (13) is arranged in the threaded through hole in the support block (12), and a star-shaped handle (14) is fixed at the outer end of the compression screw (13).
6. The aviation turbine guide blade grinding, dismounting and fixing clamp as claimed in claim 1, wherein two centrally symmetrically arranged eye screws (15) are arranged on the fixing base.
7. The grinding, dismounting and fixing clamp for the aviation turbine guide blade as claimed in claim 1, wherein the locating block (3) and the fixing clamping plate (7) are both made of MC nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901048.3A CN107627176B (en) | 2017-09-28 | 2017-09-28 | Aviation turbine guide blade is polished and is dismantled mounting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901048.3A CN107627176B (en) | 2017-09-28 | 2017-09-28 | Aviation turbine guide blade is polished and is dismantled mounting fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107627176A CN107627176A (en) | 2018-01-26 |
| CN107627176B true CN107627176B (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710901048.3A Active CN107627176B (en) | 2017-09-28 | 2017-09-28 | Aviation turbine guide blade is polished and is dismantled mounting fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107627176B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635208B (en) * | 2021-10-18 | 2021-12-10 | 南通创智新材料科技有限公司 | Blade polishing device for wind power generation |
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|---|---|---|---|---|
| US6068541A (en) * | 1997-12-22 | 2000-05-30 | United Technologies Corporation | Method for using a fixture enabling more accurate machining of a part |
| CN101244531A (en) * | 2008-03-26 | 2008-08-20 | 吉林大学 | Two-sided synchronous high-efficiency milling and casting machine tool for impeller vane |
| CN201907047U (en) * | 2010-11-01 | 2011-07-27 | 株洲南方燃气轮机成套制造安装有限公司 | Clamp for turbine blade and grinding machine comprising same |
| CN202607465U (en) * | 2011-11-10 | 2012-12-19 | 中国南方航空工业(集团)有限公司 | Engine blade positioning clamp |
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN203371079U (en) * | 2013-07-12 | 2014-01-01 | 广西职业技术学院 | Oil pump dual-oil-hole rotary drilling fixture |
| CN104289936A (en) * | 2014-09-19 | 2015-01-21 | 安徽驰纬电气有限公司 | Positioning tool adjustable in clamping force |
| CN104742221A (en) * | 2015-03-19 | 2015-07-01 | 河南理工大学 | Automatic and continuous tile blank stamping device |
| CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
-
2017
- 2017-09-28 CN CN201710901048.3A patent/CN107627176B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6068541A (en) * | 1997-12-22 | 2000-05-30 | United Technologies Corporation | Method for using a fixture enabling more accurate machining of a part |
| CN101244531A (en) * | 2008-03-26 | 2008-08-20 | 吉林大学 | Two-sided synchronous high-efficiency milling and casting machine tool for impeller vane |
| CN201907047U (en) * | 2010-11-01 | 2011-07-27 | 株洲南方燃气轮机成套制造安装有限公司 | Clamp for turbine blade and grinding machine comprising same |
| CN202607465U (en) * | 2011-11-10 | 2012-12-19 | 中国南方航空工业(集团)有限公司 | Engine blade positioning clamp |
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN203371079U (en) * | 2013-07-12 | 2014-01-01 | 广西职业技术学院 | Oil pump dual-oil-hole rotary drilling fixture |
| CN104289936A (en) * | 2014-09-19 | 2015-01-21 | 安徽驰纬电气有限公司 | Positioning tool adjustable in clamping force |
| CN104742221A (en) * | 2015-03-19 | 2015-07-01 | 河南理工大学 | Automatic and continuous tile blank stamping device |
| CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
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| Publication number | Publication date |
|---|---|
| CN107627176A (en) | 2018-01-26 |
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