CN213196578U - Device for processing turbine moving blade assembly surface - Google Patents
Device for processing turbine moving blade assembly surface Download PDFInfo
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- CN213196578U CN213196578U CN202021982800.5U CN202021982800U CN213196578U CN 213196578 U CN213196578 U CN 213196578U CN 202021982800 U CN202021982800 U CN 202021982800U CN 213196578 U CN213196578 U CN 213196578U
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Abstract
The utility model provides a device of processing steam turbine moving blade mounting surface, the utility model relates to an anchor clamps, the utility model discloses a solve special steam turbine moving blade and add man-hour, hardly reach the geometric dimensions technique and the position degree of blade, lead to the processing difficulty, the processingquality and the problem that machining efficiency is low of blade, the utility model discloses an including base, blade root locating component and blade shroud locating component, blade root locating component sets up in one side of base upper surface, and blade shroud locating component sets up the opposite side at the base upper surface. Through the utility model discloses reprocessing after fixing a position the blade root and the blade shroud of steam turbine moving blade respectively, guaranteed the processingquality and the stability of the single blade assembly face of processing to can adjust the processing state of blade at any time, guarantee technical requirement, improve machining efficiency.
Description
Technical Field
The utility model relates to a positioner of steam turbine moving blade, concretely relates to device of processing steam turbine moving blade fitting surface.
Background
A turbine moving blade with a special shape needs to be consistent with the tooth-shaped molded line position and a certain angle of a blade root after the radial assembly surface of a blade crown is processed during processing, meets the technical requirement of reaching the geometric dimension, and ensures that the clearance of a single blade after being assembled and the total clearance of a whole circle meet the technical requirement. During machining, the geometric dimension technology and the position degree of the blade are difficult to achieve, so that the machining is difficult, and the machining quality and the machining efficiency of the blade are low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve special steam turbine moving blade and add man-hour, hardly reach the geometric dimensions technique and the position degree of blade, lead to processing difficulty, the problem that the processingquality and the machining efficiency of blade are low, and then provide a device of processing steam turbine moving blade fitting surface.
The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be:
the device for machining the assembling surface of the moving blade of the steam turbine comprises a base, a blade root positioning component and a blade shroud positioning component, wherein the blade root positioning component is arranged on one side of the upper surface of the base, and the blade shroud positioning component is arranged on the other side of the upper surface of the base.
The blade root positioning assembly comprises a blade root type line block, a steam inlet side positioning block, a blade root pressing block and a pressing bolt, the steam inlet side positioning block comprises a horizontal section, a vertical section and an inclined section, the vertical section and the horizontal section are sequentially connected into a whole from top to bottom, the lower surface of the horizontal section is fixedly connected with the upper surface of the base, the lower end of the pressing bolt penetrates through the inclined section and then is fixedly connected with the blade root pressing block, the blade root type line block is fixedly installed on the upper surface of the base, and the blade root pressing block and the blade root type line block are matched to clamp the upper surface and the lower surface of.
Furthermore, the upper surface of the blade root type line block is provided with an inclined surface, and the upper surface of the inclined surface is provided with saw-shaped teeth matched with the blade root.
Further, the upper surface of the left side of the horizontal section is provided with an inclined plane.
Furthermore, the tip shroud positioning assembly comprises a tip shroud positioning block, a first pressing plate, a second pressing plate, wherein the lower surface of the tip shroud positioning block is connected with the upper surface of the base; the blade crown is positioned between the upper end of the first pressure plate and the blade crown positioning block; the second pressing plate is horizontally arranged and located on the right side of the first pressing plate, one end of the second pressing plate is pressed at the process head of the blade shroud, and the other end of the second pressing plate is connected with the blade shroud positioning block through a pressing screw and an adjusting bolt.
Furthermore, the upper surface of the tip shroud positioning block is provided with a V-shaped groove matched with the tip shroud.
Further, the first pressing plate and the second pressing plate are both L-shaped pressing plates.
The utility model has the advantages that:
through the utility model discloses reprocessing after fixing a position the blade root and the blade shroud of steam turbine moving blade respectively, guaranteed the processingquality and the stability of the single blade assembly face of processing to can adjust the processing state of blade at any time, guarantee technical requirement, improve machining efficiency.
Drawings
FIG. 1 is a schematic view of the overall assembly of the present invention;
FIG. 2 is a schematic view of a blade root positioning assembly;
FIG. 3 is a schematic view of a tip shroud positioning assembly.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1, and the apparatus for processing a mounting surface of a moving blade of a steam turbine according to the present embodiment includes a base 1, a blade root positioning component and a shroud positioning component, the blade root positioning component is disposed on one side of an upper surface of the base 1, and the shroud positioning component is disposed on the other side of the upper surface of the base 1.
The second embodiment is as follows: the embodiment is described with reference to fig. 2, the blade root positioning assembly in the embodiment includes a blade root type line block 2, a steam inlet side positioning block 3, a blade root pressing block 4 and a pressing bolt 5, the steam inlet side positioning block 3 includes a horizontal section 3-1, a vertical section 3-2 and an inclined section 3-3, the vertical section 3-2 and the horizontal section 3-1 are sequentially connected into a whole from top to bottom, the lower surface of the horizontal section 3-1 is fixedly connected with the upper surface of the base 1, the lower end of the pressing bolt 5 passes through the inclined section 3-3 and then is fixedly connected with the blade root pressing block 4, the blade root type line block 2 is fixedly mounted on the upper surface of the base 1, and the blade root pressing block 4 and the blade root type line block 2 are matched to clamp the upper and lower.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: referring to fig. 2, the blade root module 2 of the present embodiment has an inclined surface 2-1 on the upper surface, and the inclined surface 2-1 has saw-shaped teeth on the upper surface for engaging with the blade root 6.
Other components are connected in the same manner as in the second embodiment.
The fourth concrete implementation mode: referring to fig. 2, the horizontal section 3-1 of the present embodiment is provided with a slope 3-1-1 on the upper surface of the left side. The inclined plane 3-1-1 is designed according to the angle of the tooth form of the blade root, and plays a positioning role.
Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 3, the tip shroud positioning assembly of the embodiment includes a tip shroud positioning block 7, a first pressing plate 8, a second pressing plate 9, a lower surface of the tip shroud positioning block 7 is connected with an upper surface of the base 1, an upper surface of the tip shroud positioning block 7 is in contact with a lower surface of the tip shroud 14, the first pressing plate 8 is vertically arranged and located on the right side of the tip shroud positioning block 7, and a lower end of the first pressing plate 8 is connected with the tip shroud positioning block 7 through a pressing bolt and an adjusting bolt; the blade shroud 10 is positioned between the upper end of the first pressure plate 8 and the blade shroud positioning block 7; the second pressing plate 9 is horizontally arranged and located on the right side of the first pressing plate 8, one end of the second pressing plate 9 is pressed at the process head of the blade shroud 10, and the other end of the second pressing plate 9 is connected with the blade shroud positioning block 7 through a pressing bolt and an adjusting bolt.
Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: referring to fig. 3, the present embodiment will be described, in which a V-shaped groove is formed on the upper surface of the tip shroud positioning block 7 to be fitted to the tip shroud 11.
Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: referring to fig. 3, the first presser plate 8 and the second presser plate 9 of the present embodiment are both L-shaped presser plates. The shape of the pressure plate can be better matched with the blade crown positioning block 7 to compress and position the blade crown 10. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The working principle is as follows:
the method comprises the steps of positioning a blade root 6 of a blade through a blade root type line block 2 and a steam inlet side positioning block 3, compressing the blade root 6 through a blade root compressing block 4, compressing and positioning a blade shroud 10 of the blade through a blade shroud positioning block 7, a first pressing plate 8 and a second pressing plate 9, wherein the position to be processed is the position of a V-shaped groove of the blade shroud 10 in the figure 3, before the blade is processed, whether the positioning and the compressing of the blade root 6 and the blade shroud 7 are accurate and reliable is checked, the positioning is carried out through the processed back radial surface type line of the blade root tooth form and the blade shroud, and the consistency of the measured position degree is ensured. And (3) machining by adopting a radial special angle face milling cutter, checking after machining and assembling to meet the requirements, wherein each blade needs to be adjusted and assembled to meet the technical requirements until the last blade in a whole circle is machined to completely meet the requirements.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a device of processing steam turbine moving blade mounting surface which characterized in that: the device for machining the assembling surface of the moving blade of the steam turbine comprises a base (1), a blade root positioning component and a blade shroud positioning component, wherein the blade root positioning component is arranged on one side of the upper surface of the base (1), and the blade shroud positioning component is arranged on the other side of the upper surface of the base (1).
2. The apparatus for machining a mounting surface for a moving blade of a steam turbine according to claim 1, wherein: the blade root positioning component comprises a blade root type line block (2), a steam inlet side positioning block (3), a blade root pressing block (4) and a pressing bolt (5),
the steam inlet side positioning block (3) comprises a horizontal section (3-1), a vertical section (3-2) and an inclined section (3-3), the vertical section (3-2) and the horizontal section (3-1) are sequentially connected into a whole from top to bottom, the lower surface of the horizontal section (3-1) is fixedly connected with the upper surface of the base (1), the lower end of a compression bolt (5) penetrates through the inclined section (3-3) and then is fixedly connected with the blade root compression block (4), the blade root molded line block (2) is fixedly installed on the upper surface of the base (1), and the blade root compression block (4) and the blade root molded line block (2) are matched to clamp the upper surface and the lower surface of the blade root (6).
3. The apparatus for machining a turbine moving blade mounting surface according to claim 2, wherein: the upper surface of the blade root type line block (2) is provided with an inclined surface (2-1), and the upper surface of the inclined surface (2-1) is provided with saw-shaped teeth matched with the blade root (6).
4. The apparatus for machining a turbine moving blade mounting surface according to claim 2, wherein: the upper surface of the left side of the horizontal section (3-1) is provided with an inclined plane (3-1-1).
5. The apparatus for machining a mounting surface for a moving blade of a steam turbine according to claim 1, wherein: the blade shroud positioning component comprises a blade shroud positioning block (7), a first pressing plate (8), a second pressing plate (9),
The lower surface of the tip shroud positioning block (7) is connected with the upper surface of the base (1), the upper surface of the tip shroud positioning block (7) is contacted with the lower surface of the tip shroud (10),
the first pressing plate (8) is vertically arranged and located on the right side of the blade crown positioning block (7), and the lower end of the first pressing plate (8) is connected with the blade crown positioning block (7) through a pressing bolt and an adjusting bolt; the blade shroud (10) is positioned between the upper end of the first pressing plate (8) and the blade shroud positioning block (7);
the second pressing plate (9) is horizontally arranged and located on the right side of the first pressing plate (8), one end of the second pressing plate (9) is pressed at the process head of the blade shroud (10), and the other end of the second pressing plate (9) is connected with the blade shroud positioning block (7) through a pressing bolt and an adjusting bolt.
6. The apparatus for machining a turbine moving blade mounting surface according to claim 5, wherein: the upper surface of the leaf crown positioning block (7) is provided with a V-shaped groove matched with the leaf crown (10).
7. The apparatus for machining a turbine moving blade mounting surface according to claim 5, wherein: the first pressing plate (8) and the second pressing plate (9) are both L-shaped pressing plates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021982800.5U CN213196578U (en) | 2020-09-11 | 2020-09-11 | Device for processing turbine moving blade assembly surface |
Applications Claiming Priority (1)
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CN202021982800.5U CN213196578U (en) | 2020-09-11 | 2020-09-11 | Device for processing turbine moving blade assembly surface |
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CN213196578U true CN213196578U (en) | 2021-05-14 |
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CN202021982800.5U Active CN213196578U (en) | 2020-09-11 | 2020-09-11 | Device for processing turbine moving blade assembly surface |
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- 2020-09-11 CN CN202021982800.5U patent/CN213196578U/en active Active
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