CN219633378U - Gas turbine blade tenon tooth grinding tool - Google Patents
Gas turbine blade tenon tooth grinding tool Download PDFInfo
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- CN219633378U CN219633378U CN202320618527.5U CN202320618527U CN219633378U CN 219633378 U CN219633378 U CN 219633378U CN 202320618527 U CN202320618527 U CN 202320618527U CN 219633378 U CN219633378 U CN 219633378U
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- clamping
- blade
- tenon tooth
- face
- turbine blade
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- 238000009434 installation Methods 0.000 claims description 30
- 238000003754 machining Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to the technical field of turbine blade clamping tools, in particular to a gas turbine blade tenon tooth grinding tool. The blade clamping device comprises a clamping seat, wherein the clamping seat is detachably connected to a mounting base through a connecting component, a plurality of blade clamping cavities are arranged in the clamping seat side by side, the upper end face of the clamping seat is detachably connected with a cover plate through a connecting piece, a tenon tooth part clamping mechanism and a blade crown part clamping mechanism are arranged in the blade clamping cavities, and the tenon tooth part clamping mechanism is located at the opening end of the blade clamping cavity. The utility model has compact and reasonable structure and convenient operation, can realize the up-and-down clamping of the interlocking surface of the tenon tooth part and the blade crown of the turbine blade, ensures the grinding stability of the tenon tooth of the turbine blade and ensures the machining quality of the tenon tooth machine of the blade; the locking force of the interlocking face of the tenon tooth part and the blade crown of the turbine blade can be adjusted, and the turbine blade is ensured to be firmly clamped.
Description
Technical Field
The utility model relates to the technical field of turbine blade clamping tools, in particular to a gas turbine blade tenon tooth grinding tool.
Background
The turbine blade of the gas turbine is an important part in an aeroengine, the end faces of the tenon tooth parts at two ends of the turbine blade are required to be ground in the machining process of the turbine blade, the positioning and clamping of the turbine blade are very important before the grinding, and the grinding quality of the tenon tooth parts of the turbine blade is directly affected.
In the prior art, in the machining process of the tenon tooth of the working blade of the gas turbine, if clamping is unreliable, machining deformation and vibration are easily caused by driving of machining equipment, so that machining quality is poor. Therefore, a gas turbine blade tenon tooth grinding tool is needed, clamping of turbine blades can be accurately and reliably achieved, and machining quality of blade tenon tooth machining is guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a gas turbine blade tenon tooth grinding tool, which can realize up-and-down clamping of a turbine blade tenon tooth part and a blade crown interlocking surface, ensure the stability of grinding processing of the turbine blade tenon tooth and ensure the processing quality of machining of the blade tenon tooth.
The technical scheme adopted by the utility model is as follows:
the utility model provides a gas turbine blade tenon tooth grinding frock, includes the clamping seat, the clamping seat is connected on the installation base through coupling assembling detachable, sets up a plurality of blade clamping chamber side by side in the clamping seat, and the clamping seat up end passes through the detachable connecting cover plate of connecting piece, sets up tenon tooth portion clamping mechanism and leaf crown portion clamping mechanism in the blade clamping chamber, and tenon tooth portion clamping mechanism is located the open end in blade clamping chamber; the tenon tooth part clamping mechanism comprises a tenon tooth upper clamping block and a tenon tooth lower clamping block which are arranged up and down correspondingly, wherein the tenon tooth upper clamping block is connected to the lower end face of the cover plate, the lower end face of the tenon tooth upper clamping block is tightly contacted with the upper side face of the tenon tooth part of the turbine blade, the tenon tooth lower clamping block is connected to the bottom end face of the blade clamping cavity, the upper end face of the tenon tooth lower clamping block is tightly contacted with the lower side face of the tenon tooth part of the turbine blade, and the tenon tooth upper clamping block and the tenon tooth lower clamping block are matched up and down to clamp the tenon tooth part of the turbine blade; the blade crown clamping mechanism comprises a blade crown upper clamping block and a blade crown lower clamping block which are arranged up and down correspondingly, the blade crown upper clamping block is detachably connected to the lower end face of the cover plate through a connecting piece, the lower end face of the blade crown upper clamping block is connected with the upper side face of the blade crown interlocking face of the turbine blade in an anastomotic manner, the blade crown lower clamping block is detachably connected to the bottom end face of the blade clamping cavity through a connecting piece, the upper end face of the blade crown lower clamping block is connected with the lower side face of the blade crown interlocking face of the turbine blade in an anastomotic manner, and the blade crown upper clamping block and the blade crown lower clamping block are matched with each other in an upper-lower manner to clamp the blade crown interlocking face of the turbine blade.
Further, the tenon tooth part clamping mechanism further comprises a positioning ball head, the positioning ball head is fixed on a positioning ball head seat, the positioning ball head seat is detachably connected to the bottom end face of the blade clamping cavity through a connecting piece, and the spherical surface of the positioning ball head is contacted with the tenon tooth part end face of the turbine blade.
Further, the tenon tooth clamping mechanism further comprises a positioning column, wherein the positioning column is fixed in a column body mounting groove of the positioning column seat, and the side face of the positioning column is contacted with the side face of the blade body of the turbine blade.
Further, the clamping blocks on the tenons are connected to the lower end face of the cover plate through the first adjusting assembly, the clamping blocks on the blade crowns are connected to the lower end of the cover plate through the second adjusting assembly, the first adjusting assembly can adjust the height positions of the clamping blocks on the tenons, and the second adjusting assembly can adjust the height positions of the clamping blocks on the blade crowns.
Further, first adjusting part includes adjusting bolt, the adjusting bolt middle part passes through threaded connection apron, clamping piece on the tenon tooth is connected to the adjusting bolt lower extreme, the adjusting bolt lower extreme left and right sides sets up the spacing groove that transversely link up, set up the anticreep round pin in the spacing groove, the clamping piece both sides wall on the tenon tooth is extended to the both ends of anticreep round pin, screw the high position that clamping piece on the tenon tooth can be adjusted to adjusting bolt, the anticreep round pin can block adjusting bolt and deviate from clamping piece on the tenon tooth, the adjusting bolt both sides set up the guide pin respectively, sliding connection apron about the guide pin upper end, clamping piece on the guide pin lower extreme fixed connection tenon tooth, second adjusting part is the same with first adjusting part structure.
Further, the connecting component comprises a bolt and a threaded sleeve, the threaded sleeve is fixed in the mounting base, the head of the bolt is exposed out of the clamping seat, and the rod part of the screw rod penetrates through the clamping seat and is connected with the threaded sleeve through threads.
Further, the pull ring is connected respectively to the installation base left and right sides, sets up first installation terminal surface and second installation terminal surface on the installation base, and first installation terminal surface sets up with the slope of horizontal plane, and the slope of second installation terminal surface sets up with the slope of vertical plane, and terminal surface contact under first installation terminal surface and the clamping seat, second installation terminal surface and clamping seat side contact, and first installation terminal surface and second installation terminal surface hookup location department set up the deformation groove.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, can realize the up-and-down clamping of the interlocking surface of the tenon tooth part and the blade crown of the turbine blade, ensures the grinding stability of the tenon tooth of the turbine blade and ensures the machining quality of the tenon tooth machine of the blade; the locking force of the interlocking face of the tenon tooth part and the blade crown of the turbine blade can be adjusted, and the turbine blade is ensured to be firmly clamped.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a perspective view of the utility model with the mounting base removed.
FIG. 3 is a schematic view of a turbine blade clamping of the present utility model.
FIG. 4 is a schematic view of a dovetail clamping of a turbine blade of the present utility model.
FIG. 5 is a schematic illustration of a tip shroud interlock surface clamping of a turbine blade of the present utility model.
Fig. 6 is a structural view of a connection assembly of the present utility model.
Fig. 7 is a structural view of the mounting base of the present utility model.
Fig. 8 is a semi-sectional view of a first adjustment assembly of the present utility model.
Wherein: 1. a mounting base; 2. a pull ring; 3. clamping base; 4. a cover plate; 5. a lower clamping block of the tenon tooth; 6. the tenon tooth is provided with a clamping block; 7. a bolt; 8. a screw sleeve; 9. a first mounting end face; 10. a second mounting end face; 11. a deformation groove; 12. positioning a ball seat; 13. positioning a ball head; 14. positioning a column base; 15. positioning columns; 16. clamping blocks on the leaf crowns; 17. a leaf cap lower clamping block; 18. an adjusting bolt; 19. a guide pin; 20. and (5) preventing pin release.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 and 2, a gas turbine blade tenon tooth grinding tool comprises a clamping seat 3, wherein the clamping seat 3 is detachably connected to a mounting base 1 through a connecting component, two blade clamping cavities are arranged side by side in the clamping seat 3, and the upper end face of the clamping seat 3 is detachably connected with a cover plate 4 through a connecting piece. The blade clamping cavity is internally provided with a tenon tooth part clamping mechanism and a blade crown part clamping mechanism, the tenon tooth part clamping mechanism can clamp tenon tooth parts of turbine blades, and the blade crown part clamping mechanism can clamp blade crown interlocking surfaces of the turbine blades, so that the turbine blades are firmly clamped in the blade clamping cavity. The tenon tooth clamping mechanism is located at the opening end of the blade clamping cavity, so that tenon tooth parts for clamping turbine blades can be exposed at the opening end of the blade clamping cavity, and the tenon tooth parts for clamping the turbine blades are convenient to grind.
As shown in fig. 3 and 4, the tenon tooth clamping mechanism comprises a tenon tooth upper clamping block 6 and a tenon tooth lower clamping block 5 which are arranged up and down correspondingly, wherein the tenon tooth upper clamping block 6 is connected to the lower end face of the cover plate 4, and the lower end face of the tenon tooth upper clamping block 6 is tightly pressed to be in contact with the upper side face of the tenon tooth part of the turbine blade. The lower clamping block 5 of the tenon is connected to the bottom end surface of the clamping cavity of the blade, the upper end surface of the lower clamping block 5 of the tenon is tightly contacted with the lower side surface of the tenon of the turbine blade, and the upper clamping block 6 of the tenon and the lower clamping block 5 of the tenon are matched up and down to clamp the tenon part of the turbine blade.
As shown in fig. 3 and 4, the tenon tooth clamping mechanism further comprises a positioning ball head 13, the positioning ball head 13 is fixed on the positioning ball head seat 12, the positioning ball head seat 12 is detachably connected to the bottom end surface of the blade clamping cavity through a connecting piece, the spherical surface of the positioning ball head 13 contacts with the tenon tooth end surface of the turbine blade, positioning of the tenon tooth end surface of the turbine blade is achieved, and stability of clamping of the turbine blade is improved.
As shown in fig. 3 and 4, the tenon tooth clamping mechanism further comprises a positioning column 15, the positioning column 15 is fixed in a column body mounting groove of the positioning column seat 14, the side surface of the positioning column 15 contacts the side surface of the blade body of the turbine blade, positioning of the side surface of the blade body of the turbine blade is achieved, and stability of clamping of the turbine blade is improved.
As shown in fig. 3 and 5, the shroud top clamping mechanism comprises a shroud top clamping block 16 and a shroud bottom clamping block 17 which are arranged up and down correspondingly, the shroud top clamping block 16 is detachably connected to the lower end face of the cover plate 4 through a connecting piece, and the lower end face of the shroud top clamping block 16 is in fit connection with the upper side face of the shroud interlocking face of the turbine blade. The lower shroud clamping block 17 is detachably connected to the bottom end face of the blade clamping cavity through a connecting piece, the upper end face of the lower shroud clamping block 17 is in fit connection with the lower side face of the shroud interlocking face of the turbine blade, and the upper shroud clamping block 16 and the lower shroud clamping block 17 are matched up and down to clamp the shroud interlocking face of the turbine blade.
As shown in fig. 2, the tenon tooth upper clamping block 6 is connected to the lower end face of the cover plate 4 through a first adjusting component, and the leaf crown upper clamping block 16 is connected to the lower end of the cover plate 4 through a second adjusting component. The first adjusting component can adjust the height position of the clamping block 6 on the tenon tooth, so as to adjust the clamping force of the clamping block 6 on the tenon tooth to the tenon tooth part. The second adjustment assembly is capable of adjusting the height position of the shroud-upper clamp block 16, thereby adjusting the amount of clamping force of the shroud-upper clamp block 16 against the shroud interlock surface.
As shown in fig. 2 and 8, the first adjusting component comprises an adjusting bolt 18, the middle part of the adjusting bolt 18 is connected with a cover plate 4 through threads, the lower end of the adjusting bolt 18 is connected with a clamping block 6 on a tenon tooth, the left side and the right side of the lower end of the adjusting bolt 18 are provided with transversely through limiting grooves, anti-falling pins 20 are arranged in the limiting grooves, two ends of each anti-falling pin 20 extend to two side walls of the clamping block 6 on the tenon tooth, the adjusting bolt 18 is screwed to adjust the height position of the clamping block 6 on the tenon tooth, and the anti-falling pins 20 can prevent the adjusting bolt 18 from falling out of the clamping block 6 on the tenon tooth. Guide pins 19 are respectively arranged on two sides of the adjusting bolt 18, the upper ends of the guide pins 19 are connected with the cover plate 4 in a vertical sliding mode, and the lower ends of the guide pins 19 are fixedly connected with the tenon tooth upper clamping blocks 6. The second adjusting component and the first adjusting component are identical in structure.
As shown in fig. 6, the connecting assembly comprises a bolt 7 and a threaded sleeve 8, the threaded sleeve 8 is fixed in the mounting base 1, the head of the bolt 7 is exposed out of the clamping seat 3, and the rod part of the bolt 7 passes through the clamping seat 3 and is connected with the threaded sleeve 8 through threads.
As shown in fig. 1 and 7, the left and right sides of the installation base 1 are respectively connected with a pull ring 2, and the whole installation base 1 can be pulled by the pull ring 2. The mounting base 1 is provided with a first mounting end face 9 and a second mounting end face 10, the first mounting end face 9 is obliquely arranged relative to a horizontal plane, and the second mounting end face 10 is obliquely arranged relative to a vertical plane. The first installation end face 9 is contacted with the lower end face of the clamping seat 3, and the second installation end face 10 is contacted with the side face of the clamping seat 3. The deformation groove 11 is formed in the connecting position of the first installation end face 9 and the second installation end face 10, and the deformation groove 11 enables a certain elastic deformation amount to exist in an included angle between the first installation end face 9 and the second installation end face 10, so that the clamping seat 3 can be stably installed on the installation base 1.
The working principle of the utility model is as follows: when the gas turbine blade tenon tooth machining process is carried out, the turbine blade to be machined is placed in the blade clamping cavity, the tenon tooth part clamping mechanism can clamp the tenon tooth part of the turbine blade, and the blade crown part clamping mechanism can clamp the blade crown interlocking surface of the turbine blade, so that the turbine blade is firmly clamped in the blade clamping cavity. The tenon tooth clamping mechanism is located at the opening end of the blade clamping cavity, so that tenon tooth parts for clamping turbine blades can be exposed at the opening end of the blade clamping cavity, and the tenon tooth parts for clamping the turbine blades are convenient to grind.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (7)
1. The utility model provides a gas turbine blade tenon tooth grinding frock, includes clamping seat (3), its characterized in that: the clamping seat (3) is detachably connected to the mounting base (1) through a connecting component, a plurality of blade clamping cavities are arranged in the clamping seat (3) side by side, the upper end face of the clamping seat (3) is detachably connected with the cover plate (4) through a connecting piece, a tenon tooth part clamping mechanism and a blade crown part clamping mechanism are arranged in the blade clamping cavities, and the tenon tooth part clamping mechanism is positioned at the opening end of the blade clamping cavity; the tenon tooth clamping mechanism comprises a tenon tooth upper clamping block (6) and a tenon tooth lower clamping block (5) which are arranged up and down correspondingly, wherein the tenon tooth upper clamping block (6) is connected to the lower end face of the cover plate (4), the lower end face of the tenon tooth upper clamping block (6) is tightly contacted with the upper side face of the tenon tooth part of the turbine blade, the tenon tooth lower clamping block (5) is connected to the bottom end face of the blade clamping cavity, the upper end face of the tenon tooth lower clamping block (5) is tightly contacted with the lower side face of the tenon tooth part of the turbine blade, and the tenon tooth upper clamping block (6) and the tenon tooth lower clamping block (5) are matched up and down to clamp the tenon tooth part of the turbine blade; the blade crown clamping mechanism comprises a blade crown upper clamping block (16) and a blade crown lower clamping block (17) which are arranged up and down correspondingly, the blade crown upper clamping block (16) is detachably connected to the lower end face of the cover plate (4) through a connecting piece, the lower end face of the blade crown upper clamping block (16) is connected with the upper side face of the blade crown interlocking face of the turbine blade in an anastomotic manner, the blade crown lower clamping block (17) is detachably connected to the bottom end face of the blade clamping cavity through a connecting piece, the upper end face of the blade crown lower clamping block (17) is connected with the lower side face of the blade crown interlocking face of the turbine blade in an anastomotic manner, and the blade crown upper clamping block (16) and the blade crown lower clamping block (17) are matched up and down to clamp the blade crown interlocking face of the turbine blade.
2. A gas turbine blade tenon tooth grinding tool as defined in claim 1, wherein: the tenon tooth part clamping mechanism further comprises a positioning ball head (13), the positioning ball head (13) is fixed on the positioning ball head seat (12), the positioning ball head seat (12) is detachably connected to the bottom end face of the blade clamping cavity through a connecting piece, and the spherical surface of the positioning ball head (13) is in contact with the tenon tooth part end face of the turbine blade.
3. A gas turbine blade tenon tooth grinding tool as defined in claim 2, wherein: the tenon tooth clamping mechanism further comprises a positioning column (15), the positioning column (15) is fixed in a column body mounting groove of the positioning column seat (14), and the side face of the positioning column (15) is contacted with the side face of the blade body of the turbine blade.
4. A gas turbine blade tenon tooth grinding tool as defined in claim 3, wherein: the upper clamping blocks (6) of the tenon teeth are connected to the lower end face of the cover plate (4) through a first adjusting assembly, the upper clamping blocks (16) of the leaf crowns are connected to the lower end of the cover plate (4) through a second adjusting assembly, the first adjusting assembly can adjust the height positions of the upper clamping blocks (6) of the tenon teeth, and the second adjusting assembly can adjust the height positions of the upper clamping blocks (16) of the leaf crowns.
5. A gas turbine blade tenon tooth grinding tool as defined in claim 4, wherein: the first adjusting component comprises an adjusting bolt (18), the middle part of the adjusting bolt (18) is connected with a cover plate (4) through threads, the lower end of the adjusting bolt (18) is connected with a clamping block (6) on a tenon tooth, transverse through limiting grooves are formed in the left side and the right side of the lower end of the adjusting bolt (18), anti-falling pins (20) are arranged in the limiting grooves, the two ends of each anti-falling pin (20) extend to the two side walls of the clamping block (6) on the tenon tooth, the adjusting bolt (18) can be screwed to adjust the height position of the clamping block (6) on the tenon tooth, the anti-falling pins (20) can block the adjusting bolt (18) from falling out of the clamping block (6) on the tenon tooth, guide pins (19) are respectively arranged on two sides of the adjusting bolt (18), the upper end of each guide pin (19) is connected with the cover plate (4) in a sliding mode, the lower end of each guide pin (19) is connected with the clamping block (6) on the tenon tooth, and the second adjusting component is identical to the first adjusting component in structure.
6. A gas turbine blade tenon tooth grinding tool as defined in claim 1, wherein: the connecting assembly comprises a bolt (7) and a threaded sleeve (8), the threaded sleeve (8) is fixed in the mounting base (1), the head of the bolt (7) is exposed out of the clamping base (3), and the rod part of the bolt (7) penetrates through the clamping base (3) and then is connected with the threaded sleeve (8) through threads.
7. A gas turbine blade tenon tooth grinding tool as defined in claim 1, wherein: the utility model discloses a mounting base, including installation base (1), pull ring (2) are connected respectively to the left and right sides, set up first installation terminal surface (9) and second installation terminal surface (10) on installation base (1), first installation terminal surface (9) set up with the slope of horizontal plane, second installation terminal surface (10) set up with the slope of vertical plane relatively, terminal surface contact under first installation terminal surface (9) and clamping seat (3), second installation terminal surface (10) and clamping seat (3) side contact, first installation terminal surface (9) and second installation terminal surface (10) hookup location department set up deformation groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320618527.5U CN219633378U (en) | 2023-03-27 | 2023-03-27 | Gas turbine blade tenon tooth grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320618527.5U CN219633378U (en) | 2023-03-27 | 2023-03-27 | Gas turbine blade tenon tooth grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219633378U true CN219633378U (en) | 2023-09-05 |
Family
ID=87813903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320618527.5U Active CN219633378U (en) | 2023-03-27 | 2023-03-27 | Gas turbine blade tenon tooth grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219633378U (en) |
-
2023
- 2023-03-27 CN CN202320618527.5U patent/CN219633378U/en active Active
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