CN220427867U

CN220427867U - Heavy gas turbine guide vane edge plate grinding tool

Info

Publication number: CN220427867U
Application number: CN202321763656.XU
Authority: CN
Inventors: 陈晓旦; 林荣强; 程星宇; 冯泽林; 钱原吉; 靳浩天
Original assignee: Jiangsu Yuanqing Power Technology Co ltd
Current assignee: Jiangsu Yuanqing Power Technology Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-02-02
Anticipated expiration: 2033-07-06

Abstract

The utility model relates to the technical field of guide vane grinding of a gas turbine, in particular to a guide vane flange plate grinding tool of a heavy-duty gas turbine. The blade body back pressing block is fixed on the bottom plate, a pressing block fixing seat is fixed on the bottom plate, a blade body front pressing block is arranged at the front end of the pressing block fixing seat, an adjusting bolt is connected to the middle of the blade body front pressing block, and one end of the adjusting bolt penetrates through the blade body front pressing block and is connected with the pressing block fixing seat through threads; the bottom plate is fixedly provided with a main mounting seat, a first chute and a second chute are respectively arranged on the left side and the right side of the main mounting seat, the first chute is connected with a first positioning adjusting rod in a sliding mode, and the second chute is connected with a second positioning adjusting rod in a sliding mode. The clamping device can firmly clamp the vane blade body and the side surface part of the flange plate of the heavy gas turbine, ensures that the grinding processing of the flange plate is normally carried out, and improves the grinding processing precision and the processing efficiency.

Description

Heavy gas turbine guide vane edge plate grinding tool

Technical Field

The utility model relates to the technical field of guide vane grinding of a gas turbine, in particular to a guide vane flange plate grinding tool of a heavy-duty gas turbine.

Background

In the prior art, the edge plate of the guide vane of the heavy-duty gas turbine adopts manual grinding, and the manual grinding has the characteristics of low cost, no occupation of machining resources, obvious defects, low machining precision, uneven removal of a manual grinding plane and easy local out-of-tolerance. And when mechanical grinding is adopted, reliable clamping of the guide vane of the heavy-duty gas turbine is required to be ensured, and because the guide vane structure of the gas turbine is complex, a grinding tool capable of clamping the two side edge plates of the guide vane of the heavy-duty gas turbine is required, and normal grinding of the guide vane edge plates of the heavy-duty gas turbine is ensured.

Disclosure of Invention

The utility model provides a shortcoming among the above-mentioned prior art to production, provides a heavy gas turbine stator guide vane flange grinding frock, can stabilize the clamping to heavy gas turbine stator blade body and flange side position, guarantees that flange abrasive machining normally goes on, has improved abrasive machining precision and machining efficiency.

The technical scheme adopted by the utility model is as follows:

the guide vane edge plate grinding tool of the heavy-duty gas turbine comprises a bottom plate, wherein a blade body back pressure block is fixed on the bottom plate, a pressure block fixing seat is fixed on the bottom plate, a blade body front pressure block is arranged at the front end of the pressure block fixing seat, an adjusting bolt is connected to the middle part of the blade body front pressure block, and one end of the adjusting bolt penetrates through the blade body front pressure block and is connected with the pressure block fixing seat through threads; the bottom plate is fixedly provided with a main mounting seat, the left side and the right side of the main mounting seat are respectively provided with a first chute and a second chute, the first chute is in sliding connection with a first positioning adjusting rod, the second chute is in sliding connection with a second positioning adjusting rod, the front end of the first positioning adjusting rod is provided with a first positioning arc block, the first positioning arc block can transversely extend into the guide cavity of the guide vane and tightly contact with the side wall of the guide cavity, the second positioning arc block is arranged at the front end of the second positioning adjusting rod and can transversely extend into the guide cavity of the guide vane and tightly contact with the side wall of the guide cavity; the guide vane clamping device is characterized in that a first edge plate clamping assembly and a second edge plate clamping assembly are arranged on the bottom plate and are respectively located at the left side and the right side of the pressing block fixing seat, and the first edge plate clamping assembly and the second edge plate clamping assembly can respectively clamp guide vane two side edge plates of clamping.

Further, the left side and the right side of the upper part of the front end face of the blade body back face pressing block are respectively provided with a second positioning pin and a first positioning pin, the front ends of the second positioning pin and the first positioning pin are provided with arc end faces, and the arc end faces of the second positioning pin and the first positioning pin can be in pressing contact with the blade body back face of the guide blade.

Further, the rear end face of the upper part of the front briquetting of the blade body is provided with an arc-shaped front compacting end face of the blade body, the front compacting end face of the blade body can be anastomosed to contact the front face of the blade body of the guide vane, the lower part of the front briquetting of the blade body is slidably connected in the sliding groove of the briquetting fixing seat, the sliding groove of the briquetting fixing seat can guide the movement of the lower part of the front briquetting of the blade body, the left side and the right side of the upper end face of the briquetting fixing seat are provided with positioning blocks, the positioning blocks are provided with arc-shaped positioning end faces, and the positioning end faces can contact the side face of the blade body of the guide vane.

Further, the first spout side sets up first limiting plate, and first limiting plate can block that first location is adjusted the pole and is followed first spout side roll-off, and first limiting plate upper end passes through bolt detachable and connects on main mount pad, and first limiting plate lower extreme passes through the pivot pin and connects first limiting plate mounting panel, and first limiting plate mounting panel passes through bolt detachable and connects main mount pad.

Further, the rear end of the first positioning adjusting rod is provided with a first adjusting screw seat, the first adjusting screw seat is detachably connected to the main mounting seat through a connecting piece, a clamping groove is formed in the first adjusting screw seat, a first adjusting screw is arranged in the clamping groove, the head of the first adjusting screw is located at the rear end of the clamping groove and cannot pass through the clamping groove, and the front end of the first adjusting screw passes through the clamping groove and is connected with the first positioning adjusting rod through threads.

Further, the second spout side sets up the second limiting plate, and the second limiting plate can stop second location regulation pole and follow second spout side roll-off, and second limiting plate upper end passes through bolt detachable and connects on main mount pad, and second limiting plate mounting panel is passed through to the second limiting plate lower extreme, and second limiting plate mounting panel passes through bolt detachable and connects main mount pad.

Further, the second positioning adjusting rod rear end sets up the second adjusting screw seat, and the second adjusting screw seat passes through connecting piece detachable connection on main mount pad, sets up the draw-in groove on the second adjusting screw seat, sets up second adjusting screw in the draw-in groove, and second adjusting screw head is located the draw-in groove rear end and can't pass through the draw-in groove, passes through threaded connection second positioning adjusting rod behind the draw-in groove at the second adjusting screw front end.

Further, four fixed sleeves are arranged on the back of the main mounting seat, an adjustable pressure rod is connected to the four fixed sleeves through threads respectively, one end of the adjustable pressure rod penetrates through the main mounting seat and then stretches out and can be in compression contact with the side face of the blade edge plate of the clamping, the upper end of the main mounting seat is detachably connected with one end of an upper pressing plate through a connecting piece, the other end of the upper pressing plate stretches out of the main mounting seat, a second compression pin is arranged on the side face of the upper pressing plate, a first compression pin is arranged on the lower end face of the upper pressing plate, the second compression pin can be in contact with the inner side face of the blade edge plate of the clamping, and the first compression pin can be in contact with the back face of the blade edge plate of the clamping.

Further, the first flange plate clamping assembly comprises a first base fixed on the bottom plate, the first base is rotationally connected with a first upper clamping plate and one end of a first lower clamping plate through a first rotating shaft, the other ends of the first upper clamping plate and the first lower clamping plate extend out of the first base and can be matched with the blade flange plate clamped by clamping, a first clamping plate adjusting bolt is arranged at the upper end of the middle of the first upper clamping plate, the lower end of the first clamping plate adjusting bolt penetrates through the middle of the first upper clamping plate and then is connected with the middle of the first lower clamping plate through threads, one side of the first base is detachably connected with a first side cover plate through a bolt, the first side cover plate wraps the right of the first upper clamping plate and the right of the first lower clamping plate to form protection, the inner side end face of the first side cover plate is respectively connected with a first upper limiting pin and a first lower limiting pin, a first limiting groove is formed in the side face of the first upper limiting pin, the front end of the first upper limiting pin extends into the first limiting groove, a second limiting groove is formed in the side face of the first lower clamping plate, and the front end of the first lower limiting pin extends into the second limiting groove.

Further, the second flange plate clamping assembly comprises a second base fixed on the bottom plate, the second base is rotationally connected with one end of a second upper clamping plate and one end of a second lower clamping plate through a second rotating shaft, the other ends of the second upper clamping plate and the second lower clamping plate extend out of the second base and can be matched with the blade flange plate clamped by clamping, a second clamping plate adjusting bolt is arranged at the upper end of the middle part of the second upper clamping plate, the lower end of the second clamping plate adjusting bolt penetrates through the middle part of the second lower clamping plate and then is connected with the middle part of the second lower clamping plate through threads, one side of the second base is detachably connected with a second side cover plate through bolts, the second side cover plate wraps the right part of the second upper clamping plate and the right part of the second lower clamping plate to form protection, the inner side end face of the second side cover plate is respectively connected with a second upper limiting pin and a second lower limiting pin, a third limiting groove is formed in the side face of the second upper clamping plate, the front end of the second upper limiting pin extends into the third limiting groove, a fourth limiting groove is formed in the side face of the second lower clamping plate, and the front end of the second lower limiting pin extends into the fourth limiting groove.

The beneficial effects of the utility model are as follows:

the guide vane blade body and the side surface part of the flange plate of the heavy gas turbine can be firmly clamped, so that the normal grinding of the flange plate is ensured, and the grinding precision and the grinding efficiency are improved; four adjustable compression bars on the main mounting seat can be in compression contact with the side surface of the blade edge plate of the clamping, so that the stability of the clamping of the guide blade is improved; the positions of the first positioning adjusting rod and the second positioning adjusting rod can be adjusted, so that the compression degree of the diversion cavity is adjusted.

Drawings

Fig. 1 is a front perspective view of the present utility model.

Fig. 2 is a rear perspective view of the present utility model.

FIG. 3 is a perspective view of a blade back face briquetting of the present utility model.

Fig. 4 is a perspective view of a blade body front press block of the present utility model.

Fig. 5 is a first perspective view of the main mount of the present utility model.

Fig. 6 is a second perspective view of the main mount of the present utility model.

FIG. 7 is a perspective view of a first platform clamping assembly of the present utility model.

FIG. 8 is a block diagram of the interior of the first platform clamping assembly of the present utility model.

FIG. 9 is a perspective view of a second platform clamping assembly according to the present utility model.

FIG. 10 is a schematic view of the interior of the second platform clamping assembly of the present utility model.

FIG. 11 is a schematic view of a vane clip of the present utility model.

Wherein: 1. a bottom plate; 2. a main mounting base; 3. pressing the back of the blade body into blocks; 4. pressing the front face of the blade body; 5. a first positioning pin; 6. a second positioning pin; 7. a briquetting fixing seat; 8. a positioning block; 9. an adjusting bolt; 10. the front face of the blade body is tightly pressed against the end face; 11. a first positioning adjustment lever; 12. a second positioning adjusting rod; 13. a first positioning arc block; 14. a second positioning arc block; 15. a first limiting plate; 16. a first limiting plate mounting plate; 17. a first adjusting screw; 18. a first adjusting screw seat; 19. a second limiting plate; 20. the second limiting plate mounting plate; 21. a second adjusting screw; 22. a second adjusting screw seat; 23. an upper press plate; 24. a first hold-down pin; 25. a second hold-down pin; 26. a fixed sleeve; 27. an adjustable compression bar; 28. a first base; 29. a first side cover plate; 30. a first upper clamping plate; 31. a first lower clamping plate; 32. a first rotating shaft; 33. a first clamp plate adjusting bolt; 34. a first upper limit pin; 35. a first lower limit pin; 36. a second base; 37. a second side cover plate; 38. a second rotating shaft; 39. a second upper clamping plate; 40. a second lower clamping plate; 41. a second clamp plate adjusting bolt; 42. a second upper limit pin; 43. a second lower limit pin; A. guide vanes.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings.

As shown in FIG. 1, the guide vane edge plate grinding tool of the heavy-duty gas turbine comprises a bottom plate 1, wherein a blade body back pressing block 3 is fixed on the bottom plate 1. As shown in fig. 3, the left and right sides of the upper part of the front end face of the blade body back face pressing block 3 are respectively provided with a second positioning pin 6 and a first positioning pin 5, the front ends of the second positioning pin 6 and the first positioning pin 5 are provided with arc end faces, and the arc end faces of the second positioning pin 6 and the first positioning pin 5 can be pressed to be in contact with the blade body back face of the guide blade.

As shown in fig. 1, a press block fixing seat 7 is fixed on the bottom plate 1, the front end of the press block fixing seat 7 is provided with a blade body front press block 4, the middle part of the blade body front press block 4 is connected with an adjusting bolt 9, one end of the adjusting bolt 9 penetrates through the blade body front press block 4 and is connected with the press block fixing seat 7 through threads, the position of the blade body front press block 4 can be adjusted through screwing the adjusting bolt 9, and therefore the degree of the compression of the blade body front press block 4 on the front surface of the guide blade body is adjusted.

As shown in fig. 4, the upper rear end surface of the blade front face pressing block 4 has a circular arc-shaped blade front face pressing end surface 10, and the blade front face pressing end surface 10 can be in fit contact with the blade front face of the guide blade, so that the blade front face pressing of the guide blade is realized. The lower part of the blade body front pressing block 4 is slidably connected in a chute of the pressing block fixing seat 7, and the chute of the pressing block fixing seat 7 can form a guide for the movement of the lower part of the blade body front pressing block 4. The left side and the right side of the upper end surface of the pressing block fixing seat 7 are provided with positioning blocks 8, each positioning block 8 is provided with a circular arc-shaped positioning end surface, and the positioning end surfaces can be in contact with the side surface of the blade body of the guide blade.

As shown in fig. 1 and 2, a main mounting seat 2 is fixed on a bottom plate 1, a first chute and a second chute are respectively arranged at the left side and the right side of the main mounting seat 2, the first chute is in sliding connection with a first positioning adjusting rod 11, and the second chute is in sliding connection with a second positioning adjusting rod 12. As shown in fig. 5, the front end of the first positioning adjusting rod 11 is provided with a first positioning arc block 13, and the first positioning arc block 13 can transversely extend into the guide vane guide cavity and tightly contact with the side wall of the guide cavity. The front end of the second positioning adjusting rod 12 is provided with a second positioning arc block 14, and the second positioning arc block 14 can transversely extend into the guide cavity of the guide vane and tightly contact with the side wall of the guide cavity.

As shown in fig. 6, the first chute side surface is provided with a first limiting plate 15, and the first limiting plate 15 can block the first positioning adjusting rod 11 from sliding out from the first chute side surface. The upper end of the first limiting plate 15 is detachably connected to the main mounting seat 2 through bolts, the lower end of the first limiting plate 15 is connected with the first limiting plate mounting plate 16 through a rotating pin, and the first limiting plate mounting plate 16 is detachably connected with the main mounting seat 2 through bolts.

As shown in fig. 6, the rear end of the first positioning adjusting rod 11 is provided with a first adjusting screw seat 18, the first adjusting screw seat 18 is detachably connected to the main mounting seat 2 through a connecting piece, a clamping groove is formed in the first adjusting screw seat 18, a first adjusting screw 17 is arranged in the clamping groove, the head of the first adjusting screw 17 is located at the rear end of the clamping groove and cannot pass through the clamping groove, the front end of the first adjusting screw 17 passes through the clamping groove and then is connected with the first positioning adjusting rod 11 through threads, and the front and rear positions of the first positioning adjusting rod 11 can be adjusted through the first adjusting screw 17.

As shown in fig. 5, a second limiting plate 19 is disposed on the side surface of the second chute, and the second limiting plate 19 can block the second positioning adjusting rod 12 from sliding out from the side surface of the second chute. The upper end of the second limiting plate 19 is detachably connected to the main mounting seat 2 through bolts, the lower end of the second limiting plate 19 is connected with the second limiting plate mounting plate 20 through a rotating pin, and the second limiting plate mounting plate 20 is detachably connected with the main mounting seat 2 through bolts.

As shown in fig. 5, the rear end of the second positioning adjusting rod 12 is provided with a second adjusting screw seat 22, the second adjusting screw seat 22 is detachably connected to the main mounting seat 2 through a connecting piece, a clamping groove is formed in the second adjusting screw seat 22, a second adjusting screw 21 is arranged in the clamping groove, the head of the second adjusting screw 21 is positioned at the rear end of the clamping groove and cannot pass through the clamping groove, the front end of the second adjusting screw 21 passes through the clamping groove and then is connected with the second positioning adjusting rod 12 through threads, and the front and rear positions of the second positioning adjusting rod 12 can be adjusted through the second adjusting screw 21.

As shown in fig. 5, the upper end of the main installation seat 2 is detachably connected with one end of the upper pressing plate 23 through a connecting piece, the other end of the upper pressing plate 23 extends out of the main installation seat 2, a second pressing pin 25 is arranged on the side surface of the upper pressing plate 23, a first pressing pin 24 is arranged on the lower end surface of the upper pressing plate 23, the second pressing pin 25 can contact the inner side surface of the blade edge plate of the clamping, and the first pressing pin 24 can contact the back surface of the blade of the clamping.

As shown in fig. 5 and 6, four fixing sleeves 26 are arranged on the back of the main mounting seat 2, and each of the four fixing sleeves 26 is connected with an adjustable pressure rod 27 through threads, and one end of each adjustable pressure rod 27 penetrates through the main mounting seat 2 and then extends out to be capable of being in pressing contact with the side face of the blade edge plate of the clamping.

As shown in fig. 1 and 2, a first edge plate clamping assembly and a second edge plate clamping assembly are arranged on the bottom plate 1, and are respectively located at the left side and the right side of the press block fixing seat 7, and the first edge plate clamping assembly and the second edge plate clamping assembly can respectively clamp guide vane two side edge plates clamped.

As shown in fig. 7 and 8, the first flange plate clamping assembly includes a first base 28 fixed on the base plate 1, one end of a first upper clamping plate 30 and one end of a first lower clamping plate 31 are rotatably connected to the first base 28 through a first rotating shaft 32, and the other ends of the first upper clamping plate 30 and the first lower clamping plate 31 extend out of the first base 28 and can be matched with a clamped blade flange plate. The upper end of the middle part of the first upper clamping plate 30 is provided with a first clamping plate adjusting bolt 33, and the lower end of the first clamping plate adjusting bolt 33 passes through the first upper clamping plate 30 and is connected with the middle part of the first lower clamping plate 31 through threads.

As shown in fig. 7, one side of the first base 28 is detachably connected with a first side cover 29 through bolts, and the first side cover 29 wraps the right parts of the first upper clamping plate 30 and the first lower clamping plate 31 to form protection. The inner side end surface of the first side cover plate 29 is respectively connected with a first upper limit pin 34 and a first lower limit pin 35, a first limit groove is formed in the side surface of the first upper clamping plate 30, the front end of the first upper limit pin 34 stretches into the first limit groove, and the position of the first upper clamping plate 30 is limited. The side of the first lower clamping plate 31 is provided with a second limiting groove, and the front end of the first lower limiting pin 35 stretches into the second limiting groove to limit the position of the first lower clamping plate 31.

As shown in fig. 9 and 10, the second flange plate clamping assembly includes a second base 36 fixed on the base plate 1, one end of a second upper clamping plate 39 and one end of a second lower clamping plate 40 are rotatably connected to the second base 36 through a second rotating shaft 38, and the other ends of the second upper clamping plate 39 and the second lower clamping plate 40 extend out of the second base 36 and can be matched to clamp the clamped blade flange plate. The upper end of the middle part of the second upper clamping plate 39 is provided with a second clamping plate adjusting bolt 41, and the lower end of the second clamping plate adjusting bolt 41 passes through the middle part of the second lower clamping plate 40 after passing through the second upper clamping plate 39.

As shown in fig. 9, one side of the second base 36 is detachably connected with a second side cover 37 through bolts, and the second side cover 37 wraps the right parts of the second upper clamping plate 39 and the second lower clamping plate 40 to form protection. The inner side end surface of the second side cover plate 37 is respectively connected with a second upper limit pin 42 and a second lower limit pin 43, a third limit groove is arranged on the side surface of the second upper clamping plate 39, and the front end of the second upper limit pin 42 extends into the third limit groove to limit the position of the second upper clamping plate 39. The side of the second lower clamping plate 40 is provided with a fourth limit groove, and the front end of the second lower limit pin 43 extends into the fourth limit groove to limit the position of the second lower clamping plate 40.

The working principle of the utility model is as follows: as shown in fig. 11, when the guide vane a is clamped, the guide vane a is placed between the vane body back face pressing block 3 and the vane body front face pressing block 4, and is pressed on the vane body back face and the vane body front face of the guide vane a by the vane body back face pressing block 3 and the vane body front face pressing block 4 in a sub-package mode. The first positioning adjusting rod 11 and the second positioning adjusting rod 12 on the main mounting seat 2 are adjusted, so that the first positioning arc block 13 and the second positioning arc block 14 can transversely extend into the guide cavity of the guide vane A and tightly contact the side wall of the guide cavity. Simultaneously, compress tightly top board 23 at stator A back, the second hold-down pin 25 on top board 23 can contact the blade body flange inboard surface of clamping, and first hold-down pin 24 can contact the blade body back of clamping. One end of four adjustable compression bars 27 on the main mounting seat 2 can be pressed to contact with the side surface of the blade edge plate of the clamping. And then, the first flange plate clamping assembly and the second flange plate clamping assembly are adjusted to respectively clamp the flange plates at the left side and the right side of the guide vane A, so that the guide vane A is finally clamped, the normal grinding of the flange plates is ensured, and the grinding precision and the machining efficiency are improved.

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

1. The utility model provides a heavy gas turbine stator flange grinding frock, includes bottom plate (1), its characterized in that: the blade body back pressing block (3) is fixed on the bottom plate (1), the pressing block fixing seat (7) is fixed on the bottom plate (1), the front end of the pressing block fixing seat (7) is provided with a blade body front pressing block (4), the middle part of the blade body front pressing block (4) is connected with an adjusting bolt (9), and one end of the adjusting bolt (9) penetrates through the blade body front pressing block (4) and is connected with the pressing block fixing seat (7) through threads; the guide vane guide device is characterized in that a main mounting seat (2) is fixed on the bottom plate (1), a first chute and a second chute are respectively arranged on the left side and the right side of the main mounting seat (2), a first positioning adjusting rod (11) is connected in the first chute in a sliding mode, a second positioning adjusting rod (12) is connected in the second chute in a sliding mode, a first positioning arc block (13) is arranged at the front end of the first positioning adjusting rod (11), the first positioning arc block (13) can transversely extend into a guide cavity of the guide vane and tightly press the side wall of the guide cavity, a second positioning arc block (14) is arranged at the front end of the second positioning adjusting rod (12), and the second positioning arc block (14) can transversely extend into the guide cavity of the guide vane and tightly press the side wall of the guide cavity; the guide vane clamping device is characterized in that a first edge plate clamping assembly and a second edge plate clamping assembly are arranged on the bottom plate (1), the first edge plate clamping assembly and the second edge plate clamping assembly are respectively located at the left side and the right side of the pressing block fixing seat (7), and the first edge plate clamping assembly and the second edge plate clamping assembly can respectively clamp guide vane two side edge plates of clamping.

2. The heavy duty gas turbine vane flange grinding tool of claim 1, wherein: the left side and the right side of the upper part of the front end face of the blade body back face pressing block (3) are respectively provided with a second locating pin (6) and a first locating pin (5), the front ends of the second locating pin (6) and the first locating pin (5) are provided with arc end faces, and the arc end faces of the second locating pin (6) and the first locating pin (5) can be in compression contact with the blade body back face of the guide blade.

3. The heavy duty gas turbine vane flange grinding tool of claim 2, wherein: the front end face of the upper part of the blade body is provided with a circular arc-shaped blade body front pressing end face (10), the blade body front pressing end face (10) can be anastomosed to contact the front surface of the blade body of the guide blade, the lower part of the blade body front pressing block (4) is slidably connected in a chute of a pressing block fixing seat (7), the chute of the pressing block fixing seat (7) can guide the movement of the lower part of the blade body front pressing block (4), positioning blocks (8) are arranged on the left side and the right side of the upper end face of the pressing block fixing seat (7), the positioning blocks (8) are provided with circular arc-shaped positioning end faces, and the positioning end faces can contact the side face of the blade body of the guide blade.

4. The heavy duty gas turbine vane flange grinding tool of claim 3, wherein: the side of the first sliding groove is provided with a first limiting plate (15), the first limiting plate (15) can block the first positioning adjusting rod (11) from sliding out of the side of the first sliding groove, the upper end of the first limiting plate (15) is detachably connected to the main mounting seat (2) through bolts, the lower end of the first limiting plate (15) is connected with the first limiting plate mounting plate (16) through a rotating pin, and the first limiting plate mounting plate (16) is detachably connected with the main mounting seat (2) through bolts.

5. The heavy duty gas turbine vane flange grinding tool of claim 4, wherein: the rear end of the first positioning adjusting rod (11) is provided with a first adjusting screw seat (18), the first adjusting screw seat (18) is detachably connected to the main mounting seat (2) through a connecting piece, a clamping groove is formed in the first adjusting screw seat (18), a first adjusting screw (17) is arranged in the clamping groove, the head of the first adjusting screw (17) is located at the rear end of the clamping groove and cannot pass through the clamping groove, and the front end of the first adjusting screw (17) passes through the clamping groove and then is connected with the first positioning adjusting rod (11) through threads.

6. The heavy duty gas turbine vane flange grinding tool of claim 5, wherein: the second chute side sets up second limiting plate (19), and second limiting plate (19) can block second location regulation pole (12) and follow second chute side roll-off, and second limiting plate (19) upper end passes through bolt detachable and connects on main mount pad (2), and second limiting plate (19) lower extreme passes through the pivot pin and connects second limiting plate mounting panel (20), and second limiting plate mounting panel (20) pass through bolt detachable and connect main mount pad (2).

7. The heavy duty gas turbine vane rim plate grinding tool of claim 6, wherein: the rear end of the second positioning adjusting rod (12) is provided with a second adjusting screw seat (22), the second adjusting screw seat (22) is detachably connected to the main mounting seat (2) through a connecting piece, a clamping groove is formed in the second adjusting screw seat (22), a second adjusting screw (21) is arranged in the clamping groove, the head of the second adjusting screw (21) is located at the rear end of the clamping groove and cannot pass through the clamping groove, and the front end of the second adjusting screw (21) passes through the clamping groove and then is connected with the second positioning adjusting rod (12) through threads.

8. The heavy duty gas turbine vane rim plate grinding tool of claim 7, wherein: four fixed sleeves (26) are arranged on the back of the main installation seat (2), an adjustable pressing rod (27) is connected to the four fixed sleeves (26) through threads respectively, one end of the adjustable pressing rod (27) penetrates through the main installation seat (2) and then stretches out and can be in compression contact with the side face of the blade edge plate of the clamping, the upper end of the main installation seat (2) is connected with one end of an upper pressing plate (23) through a connecting piece in a detachable mode, the other end of the upper pressing plate (23) stretches out of the main installation seat (2), a second pressing pin (25) is arranged on the side face of the upper pressing plate (23), a first pressing pin (24) is arranged on the lower end face of the upper pressing plate (23), the second pressing pin (25) can be in contact with the inner side face of the blade edge plate of the clamping, and the first pressing pin (24) can be in contact with the back face of the blade edge plate of the clamping.

9. The heavy duty gas turbine vane rim plate grinding tool of claim 8, wherein: the first flange plate clamping assembly comprises a first base (28) fixed on a bottom plate (1), a first upper clamping plate (30) and one end of a first lower clamping plate (31) are connected on the first base (28) through a first rotating shaft (32) in a rotating mode, the first upper clamping plate (30) and the other end of the first lower clamping plate (31) extend out of the first base (28) and can be matched with a clamped blade flange plate, a first clamping plate adjusting bolt (33) is arranged at the upper middle end of the first upper clamping plate (30), the lower end of the first clamping plate adjusting bolt (33) penetrates through the first upper clamping plate (30) and then is connected with the middle of the first lower clamping plate (31) through threads, one side of the first base (28) is connected with a first side cover plate (29) through a bolt in a detachable mode, the first side cover plate (29) wraps the right portion of the first upper clamping plate (30) and the first lower clamping plate (31) to form protection, the inner side face of the first side cover plate (29) is connected with a first upper limiting pin (34) and a first lower limiting pin (35) respectively, a first upper limiting groove is formed in the side face of the first upper clamping plate (30), the lower end of the first upper clamping plate passes through threads to be connected with the first lower limiting pin (31), the middle of the first lower limiting pin (34) is arranged in the first lower limiting groove, and the first limiting pin (35) stretches into the first limiting groove.

10. The heavy duty gas turbine vane rim plate grinding tool of claim 9, wherein: the second flange plate clamping assembly comprises a second base (36) fixed on the bottom plate (1), a second upper clamping plate (39) and one end of a second lower clamping plate (40) are rotatably connected to the second base (36) through a second rotating shaft (38), the other ends of the second upper clamping plate (39) and the second lower clamping plate (40) extend out of the second base (36) and can be matched with a clamped blade flange plate, a second clamping plate adjusting bolt (41) is arranged at the upper end of the middle of the second upper clamping plate (39), the lower end of the second clamping plate adjusting bolt (41) penetrates through the middle of the second upper clamping plate (39) and then is connected with the middle of the second lower clamping plate (40) through threads, one side of the second base (36) is detachably connected with a second side cover plate (37), the right parts of the second upper clamping plate (39) and the second lower clamping plate (40) are wrapped in a protecting mode, the inner side faces of the second side cover plate (37) are respectively connected with a second upper limiting pin (42) and a second lower limiting pin (43), a third limiting pin (42) is arranged on the side face of the second upper clamping plate (39), and the second side face extends into the fourth limiting pin (40) and extends into the fourth limiting groove.