CN209139531U - A kind of duplex high-pressure turbine stator blade cold sizing device - Google Patents
A kind of duplex high-pressure turbine stator blade cold sizing device Download PDFInfo
- Publication number
- CN209139531U CN209139531U CN201821592994.0U CN201821592994U CN209139531U CN 209139531 U CN209139531 U CN 209139531U CN 201821592994 U CN201821592994 U CN 201821592994U CN 209139531 U CN209139531 U CN 209139531U
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- blade
- profiling block
- exhaust
- block
- pressure turbine
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Abstract
The utility model relates to a kind of duplex high-pressure turbine stator blade cold sizing devices.Including pedestal, pressing plate, the exhaust of the first blade, when profiling block and the second blade are vented, profiling block, pressing plate lower surface left end are provided with link block, and link block is connected by a hinge with connector A；The limiting slot for fastening with tie down screw is provided on the right side of the pressing plate；The pedestal upper surface installs the first blade exhaust profiling block when profiling block and the second blade are vented；Device uses modularized design, and profiling block is connect by screw with pedestal, easy to disassemble and replacement.If profiling block damages during cold sizing, local replacing can be carried out, to extend the service life of whole device.Profiling block structure is designed referring to blade three-dimensional structure, it is ensured that the precision of complex profile blade school shape.
Description
Technical field
The utility model relates to aircraft engine maintenance technical field, especially a kind of duplex high-pressure turbine stator blade
Cold sizing device.
Background technique
High-pressure turbine stator blade component is the key components and parts of engine, and engine is used through a life cycle
Afterwards, warpage occurs for high-pressure turbine stator blade exhaust side, is not able to satisfy requirement, and high-pressure turbine stator blade is duplex
Structure, and blade is 3 D complex type face, needs the cold sizing device of design specialized, just can guarantee that duplex high-pressure turbine is oriented to
Molding surface size after device blade cold sizing meets requirement.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of duplex high-pressure turbine stator blade
Cold sizing device.
The purpose of this utility model is achieved through the following technical solutions: a kind of cold school of duplex high-pressure turbine stator blade
Shape dress is set.The profiling block when profiling block and the second blade are vented, the pedestal are vented including pedestal, pressing plate, the first blade
Connector A and connector B is respectively set in both ends above, and the connector B is connected by a hinge and has tie down screw, on tie down screw
Face is provided with locking nut；Pressing plate lower surface left end is provided with link block, and link block is connected by a hinge with connector A；
The limiting slot for fastening with tie down screw is provided on the right side of the pressing plate；The pedestal upper surface installs the exhaust of the first blade
The profiling block when profiling block and the second blade are vented；The first blade exhaust is when profiling block and the second blade are vented
Profiling block forms double structure.
Further, rectangular-shaped through-hole is provided at the pressing plate center.
Further, the first blade exhaust side profiling block bottom is separately provided for determining determining for installation site
Position hole and fixing screwed hole for firm installation.
Further, the second blade exhaust side profiling block bottom is separately provided for determining determining for installation site
Position hole and fixing screwed hole for firm installation.
Further, the pressing plate lower surface is additionally provided with holddown spring block.
Further, the first blade exhaust copper packing when profiling block top is additionally provided with the exhaust of the first blade
Piece.
Further, the second blade exhaust copper packing when profiling block top is additionally provided with the exhaust of the second blade
Piece.
The utility model has the advantage that
(1) profiling block structure is designed referring to blade three-dimensional structure, it is ensured that the precision of complex profile blade school shape.
(2) holddown spring block is adapted to the fine difference of different leaves in blade fixation procedure, solves in cold school
The problem of different leaves are tightly fastened during shape.
(3) profiling block will not cause to damage to blade during increasing copper backing on profiling block and ensure that in school shape.
(4) device uses modularized design, and profiling block is connect by screw with pedestal, easy to disassemble and replacement.In cold school
If the damage of profiling block, can carry out local replacing, to extend the service life of whole device during shape.
(5) profiling block ensure that the positioning accuracy of profiling block using symmetrical positioning finger setting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the first blade is vented side profiling block structure schematic diagram；
Fig. 3 is that the second blade is vented side profiling block structure schematic diagram；
In figure: 1- pedestal, 2- pressing plate, the first blade of 3- are vented side profiling block, and the second blade of 4- is vented side profiling block,
5- holddown spring block, 6- tie down screw, 7- locking nut, the first blade of 8- are vented side copper backing, the second blade of 9- row
Gas side copper backing, 10- connector A, 11- connector B, 12- link block.
Specific embodiment
The utility model is further described with reference to the accompanying drawing, but the protection scope of the utility model is not limited to
It is as described below.
As shown in Fig. 1 ~ 3, a kind of duplex high-pressure turbine stator blade cold sizing device, it includes pedestal 1, pressing plate 2,
Above connection is respectively set in both ends in one blade exhaust profiling block 4 when profiling block 3 and the second blade are vented, the pedestal 1
Part A10 and connector B11, the connector B11, which is connected by a hinge, tie down screw 6, and tie down screw 6 is provided with locking above
Nut 7；The 2 lower surface left end of pressing plate is provided with link block 12, and link block 12 is connected by a hinge with connector A10；It is described
The limiting slot 13 for fastening with tie down screw 6 is provided on the right side of pressing plate 2；First blade row is installed 1 upper surface of pedestal
Gas profiling block 4 when profiling block 3 and the second blade are vented；The first blade exhaust side profiling block 3 and the second blade
It is vented side profiling block 4 and forms double structure, and is identical as the radian of duplex blade.
Rectangular-shaped through-hole is provided at 2 center of pressing plate.
The first blade exhaust, 3 bottom of side profiling block is separately provided for determining the location hole and use of installation site
In the fixing screwed hole of firm installation.The second blade exhaust, 4 bottom of side profiling block is separately provided for determining installation
The location hole of position and fixing screwed hole for firm installation.First blade is vented side profiling block 3 and the second blade row
Gas side profiling block 4 is combined by positioning pin with location hole with pedestal 1 to be fixed on above pedestal 1, and passes through soket head cap screw
Firm installation is combined with fixing screwed hole.
2 lower surface of pressing plate is additionally provided with holddown spring block 5.The first blade exhaust, 3 top of side profiling block is also
It is provided with the first blade exhaust side copper backing 8.The second blade exhaust, 4 top of side profiling block is additionally provided with second
Blade is vented side copper backing 9.
The course of work of the utility model is as follows: locking nut 7 unscrewed first, and tie down screw 6 is removed from pressing plate 2,
Then pressing plate 2 is lifted, by the exhaust of the first blade when being placed on the exhaust of the first blade with copper backing 8 on profiling block 3, makes the
One blade exhaust profiling block 3 when being vented with copper backing 8 with the first blade is bonded, and the first blade is vented side copper packing
Piece 9 is placed on the first blade exhaust side profiling block 4, is vented the first blade exhaust side copper backing 9 and the first blade
Side profiling block 4 be bonded, the duplex high-pressure turbine stator blade for needing school shape is then put into pedestal 1, make blade exhaust side with
Copper backing fitting, the holddown spring block 5 on pressing plate 2 is bonded with high-pressure turbine stator blade listrium, tie down screw 6 is moved on to
On pressing plate 2, clamp nut 7 is screwed, guarantees that pressing plate 2 compresses blade.Finally blade exhaust side is carried out using hammer and copper rod
Cold sizing.
Locking nut 7 is unscrewed after school shape is complete, tie down screw 6 is removed from pressing plate 2, then lifts pressing plate 2, takes out leaf
Piece completes entire school shape process.
Claims (7)
1. a kind of duplex high-pressure turbine stator blade cold sizing device, it is characterised in that: including pedestal (1), pressing plate (2),
The exhaust of one blade profiling block (4), pedestal (1) when profiling block (3) and the second blade are vented set at both ends respectively above
Set connector A(10) and connector B(11), the connector B(11) being connected by a hinge has tie down screw (6), tie down screw
(6) locking nut (7) are provided with above；Pressing plate (2) the lower surface left end is provided with link block (12), link block (12) and company
Fitting A(10) it is connected by a hinge；The limiting slot (13) for fastening with tie down screw (6) is provided on the right side of the pressing plate (2)；
Pedestal (1) upper surface is installed by the first blade exhaust profiling block (4) when profiling block (3) and the second blade are vented；Institute
It states the first blade exhaust profiling block (4) when profiling block (3) and the second blade are vented and forms double structure.
2. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
Rectangular-shaped through-hole is provided at pressing plate (2) center.
3. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
First blade exhaust side profiling block (3) bottom is separately provided for determining the location hole of installation site and for firm installation
Fixing screwed hole.
4. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
Second blade exhaust side profiling block (4) bottom is separately provided for determining the location hole of installation site and for firm installation
Fixing screwed hole.
5. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
Pressing plate (2) lower surface is additionally provided with holddown spring block (5).
6. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
The exhaust of first blade is when profiling block (3) top is additionally provided with the exhaust of the first blade with copper backing (8).
7. a kind of duplex high-pressure turbine stator blade cold sizing device according to claim 1, it is characterised in that: described
The exhaust of second blade is when profiling block (4) top is additionally provided with the exhaust of the second blade with copper backing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592994.0U CN209139531U (en) | 2018-09-28 | 2018-09-28 | A kind of duplex high-pressure turbine stator blade cold sizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592994.0U CN209139531U (en) | 2018-09-28 | 2018-09-28 | A kind of duplex high-pressure turbine stator blade cold sizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209139531U true CN209139531U (en) | 2019-07-23 |
Family
ID=67268400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821592994.0U Active CN209139531U (en) | 2018-09-28 | 2018-09-28 | A kind of duplex high-pressure turbine stator blade cold sizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209139531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020611A (en) * | 2023-09-01 | 2023-11-10 | 昆山帕捷汽车零部件有限公司 | Pre-locking assembly machine for bolts and clamping rings on engine connecting rod |
-
2018
- 2018-09-28 CN CN201821592994.0U patent/CN209139531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020611A (en) * | 2023-09-01 | 2023-11-10 | 昆山帕捷汽车零部件有限公司 | Pre-locking assembly machine for bolts and clamping rings on engine connecting rod |
| CN117020611B (en) * | 2023-09-01 | 2024-03-19 | 昆山帕捷汽车零部件有限公司 | Pre-locking assembly machine for bolts and clamping rings on engine connecting rod |
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