CN211740045U - Comprehensive measuring tool for large-belt crown-shaped line - Google Patents
Comprehensive measuring tool for large-belt crown-shaped line Download PDFInfo
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- CN211740045U CN211740045U CN202020713232.2U CN202020713232U CN211740045U CN 211740045 U CN211740045 U CN 211740045U CN 202020713232 U CN202020713232 U CN 202020713232U CN 211740045 U CN211740045 U CN 211740045U
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- ring positioning
- positioning plate
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Abstract
The utility model relates to a survey utensil is synthesized to big band crown-type line, including molded lines model, bottom plate and perpendicular to inner ring locating plate, the outer loop locating plate that the bottom plate set up, inner ring locating plate fixed connection in bottom plate one side, the adjustment tank has been seted up to the bottom plate, outer loop locating plate lower part sets up just can in the adjustment tank remove in the adjustment tank, the bottom plate back with the corresponding position of outer loop locating plate is equipped with outer loop locating plate locking device, the molded lines model includes steam course inner arc molded lines model and steam course back of the body arc molded lines model, and this survey utensil is synthesized to big band crown-type line has improved the commonality of survey utensil, has practiced thrift the cost and has improved the convenience of survey utensil management simultaneously, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a blade detection device technical field especially relates to a utensil is surveyed in synthesis of big band crown-type line.
Background
The square steel blade is a key part in a steam turbine, the working environment of the square steel blade is usually high temperature and high pressure, and the square steel blade needs to bear huge centrifugal force, vibration, steam exciting force, water drop erosion and other effects. Because the geometric shape, the machining precision and the like of the square steel blade steam passage can directly influence the working stability and the mechanical efficiency of the steam turbine, the precision detection of the square steel blade steam passage is a necessary means for ensuring the product percent of pass of the square steel blade.
Current square steel blade steam passage detection device, a pair detection device can only detect the blade of a model usually, and the commonality is relatively poor, need make detection device respectively to the blade of different models, and the cost is higher and comparatively loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect of prior art, provide a simple structure, commonality are strong, nimble convenient and the less big band crown-type line of cost is synthesized and is surveyed utensil.
The utility model discloses a realize through following technical scheme: the utility model provides a utensil is surveyed in synthesis of big band crown-type line, includes molded lines model, bottom plate and perpendicular to inner ring locating plate, the outer loop locating plate that the bottom plate set up, inner ring locating plate fixed connection in bottom plate one side.
In order to improve the universality and the use flexibility of the measuring tool, the bottom plate is provided with an adjusting groove, the lower part of the outer ring positioning plate is arranged in the adjusting groove and can move in the adjusting groove, an outer ring positioning plate locking device is arranged at the position, corresponding to the outer ring positioning plate, of the back surface of the bottom plate, the outer ring positioning plate locking device can limit the outer ring positioning plate to move in the adjusting groove, and the molded line sample plate is provided with a bayonet which can be clamped on the bottom plate.
In order to improve the detection precision, the molded line template comprises a steam passage inner arc molded line template and a steam passage back arc molded line template, the steam passage inner arc molded line template is provided with a curved surface matched with the steam passage inner arc molded line of the detected blade, and the steam passage back arc molded line template is provided with a curved surface matched with the steam passage back arc molded line of the detected blade.
In order to more surely place a molded line sample plate and improve the detection precision, the comprehensive measuring tool for the large crown molded line further comprises a middle support plate, the middle support plate is arranged between the inner ring positioning plate and the outer ring positioning plate, the lower part of the middle support plate is arranged in the adjusting groove and can move in the adjusting groove, a middle support plate locking device is arranged at the position, corresponding to the middle support plate, on the back surface of the bottom plate, and the middle support plate can be limited to move in the adjusting groove.
In order to place the blades to be detected more stably and accurately, the inner ring positioning plate and the outer ring positioning plate are both provided with blade limiting pins, and the blade limiting pins are matched with the shapes of two ends of the detected blades.
Preferably, the cross section of the adjusting groove is I-shaped, and adjusting grooves with other shapes can be designed according to actual conditions.
Preferably, the outer ring positioning plate locking device comprises a first locking bolt and a first limiting block, and the lower part of the outer ring positioning plate is connected with the first limiting block through the first locking bolt and can be screwed in or out of the first locking bolt along with screwing of the first locking bolt so as to lock or loosen the outer ring positioning plate.
Preferably, the middle support plate locking device comprises a second locking bolt and a second limiting block, and the lower portion of the middle support plate is connected with the second limiting block through the second locking bolt and can be screwed in or out along with the second locking bolt to lock or loosen the middle support plate.
The utility model has the advantages that: this survey utensil is synthesized to big band crown-type line can dismantle and adjustable outer loop locating plate and intermediate support board through the design, has improved this survey utensil's commonality for its steam passage that is applicable to the square steel blade of multiple specification detects, has improved the convenience of survey utensil management when having practiced thrift the cost, through design molded lines model, has improved the convenience and the precision that detect, has guaranteed the part quality, and this survey utensil is synthesized to big band crown-type line simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural view of the comprehensive survey tool for the large crown-shaped line of the present invention;
fig. 2 is a bottom view of the comprehensive survey tool for the large crown-shaped line of the present invention;
fig. 3 is a left side view of the comprehensive measuring tool for the large crown-shaped line of the present invention;
fig. 4 is a front view of the comprehensive measuring tool for the large crown-shaped line of the present invention;
FIG. 5 is a view A-A of FIG. 4;
FIG. 6 is a view B-B of FIG. 4;
fig. 7 is a top view of the comprehensive measuring tool for large crown profile and the bottom plate of the present invention;
fig. 8 is a cross-sectional view of the adjusting groove of the base plate and the comprehensive measuring tool for the large crown-shaped line of the present invention;
in the figure: 1. a molded line template; 11. a bayonet; 12. a steam passage inner arc molded line sample plate; 13. a steam passage back arc molded line sample plate; 2. a base plate; 21. an adjustment groove; 3. an inner ring positioning plate; 4. an outer ring positioning plate; 5. an outer ring positioning plate locking device; 51. a first locking bolt; 52. a first stopper; 6. a middle support plate; 7. a mid-support plate locking device; 71. a second locking bolt; 72. a second limiting block; 8. a blade limit pin; 9. a blade.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
The comprehensive survey tool for the large crown profile comprises a profile template 1, a bottom plate 2, an inner ring positioning plate 3, an outer ring positioning plate 4 and a middle supporting plate 6, wherein the inner ring positioning plate 3, the outer ring positioning plate 4 and the middle supporting plate 6 are perpendicular to the bottom plate 2, blade limiting pins 8 are arranged on the inner ring positioning plate 3 and the outer ring positioning plate 4 and used for clamping two ends of a blade to be detected and positioning the blade, and the blade limiting pins 8 are matched with the two ends of the blade to be detected in shape.
The inner ring positioning plate 3 is fixedly connected to one side of the bottom plate 2 and used for erecting and positioning one end of a blade to be detected, the bottom plate 2 is provided with an adjusting groove 21 used for adjusting the positions of the outer ring positioning plate 4 and the middle supporting plate 6, and the cross section of the adjusting groove 21 is in an I shape.
The outer ring positioning plate 4 is used for erecting and positioning the other end of the blade to be detected, the lower portion of the outer ring positioning plate 4 is arranged in the adjusting groove 21 and can move in the adjusting groove 21, an outer ring positioning plate locking device 5 is arranged at a position on the back of the bottom plate 2 corresponding to the outer ring positioning plate 4 and can limit the outer ring positioning plate 4 to move in the adjusting groove 21, as shown in fig. 6, the outer ring positioning plate locking device 5 comprises a first locking bolt 51 and a first limiting block 52, and the lower portion of the outer ring positioning plate 4 is connected with the first limiting block 52 through the first locking bolt 51 and can be screwed in or out of the first locking bolt 51 along with screwing in or unscrewing out of the outer ring positioning plate 4 to lock or loosen the.
The middle support plate 6 is disposed between the inner ring positioning plate 3 and the outer ring positioning plate 4 and used for supporting the molded line sample plate 1, the lower portion of the middle support plate 6 is disposed in the adjusting groove 21 and can move in the adjusting groove 21, a middle support plate locking device 7 is disposed at a position on the back of the bottom plate 2 corresponding to the middle support plate 6 and can limit the middle support plate 6 to move in the adjusting groove 21, as shown in fig. 5, the middle support plate locking device 7 includes a second locking bolt 71 and a second limiting block 72, and the lower portion of the middle support plate 6 is connected with the second limiting block 72 through the second locking bolt 71 and can be screwed into or out of the second locking bolt 71 to lock or loosen the middle support plate 6.
As shown in fig. 3, the profile template 1 is used for performing coincidence detection on inner and back arc profiles of a blade steam passage, and has a bayonet 11 that can be clamped on the bottom plate 2, the profile template 1 includes a steam passage inner arc profile template 12 and a steam passage back arc profile template 13, the steam passage inner arc profile template 12 has a curved surface that matches with the steam passage inner arc profile of a detected blade and is used for performing coincidence detection on the steam passage inner arc profile of the blade, and the steam passage back arc profile template 13 has a curved surface that matches with the steam passage back arc profile of the detected blade and is used for performing coincidence detection on the steam passage back arc profile of the blade.
When the comprehensive measuring tool for the large-belt crown-type line is used for detecting the steam passage part of the blade 9, the position of the outer ring positioning plate 4 is firstly adjusted according to the model size of the blade 9 to be detected, specifically, the outer ring positioning plate 4 is moved to a proper position, and the first locking bolt 51 is screwed to fix the outer ring positioning plate 4.
Then, the blade 9 to be detected is erected on the measuring tool, specifically, one end of the blade 9 is clamped into the blade limit pin 8 on the inner ring positioning plate 3, the other end of the blade 9 is clamped into the blade limit pin 8 on the outer ring positioning plate 4, the first locking bolt 51 can be loosened as required, the position of the outer ring positioning plate 4 is finely adjusted, and locking is performed again.
Finally, the molded line template 1 is placed on the bottom plate 2, the bayonet 11 is clamped at the edge of the bottom plate 2, the molded line template 1 is moved to be abutted against a part to be detected of the blade 9, molded lines are attached, the molded line template 1 is supported by the middle supporting plate 6, then detection is started, specifically, a steam passage inner arc molded line of the blade 9 is detected by using the steam passage inner arc molded line template 12, after a corresponding arc surface on the steam passage inner arc molded line template 12 is attached to a steam passage inner arc molded line of the blade 9 to be detected, the processing quality of a steam passage inner arc of the blade 9 is judged according to the light transmission degree, a steam passage back arc molded line of the blade 9 is detected by using the steam passage back arc molded line template 13, and after a corresponding arc surface on the steam passage back arc molded line template 13 is attached to a steam passage back arc molded line of the blade 9 to be detected, the processing quality of a steam passage.
When detecting blades of other types, the measuring tool does not need to be replaced, the outer ring positioning plate 4 and the middle supporting plate 6 only need to be adjusted according to the types of the blades, and then the detection is carried out according to the process.
Compared with the prior art, through the cooperation of adjustable outer loop locating plate 4, middle backup pad 6, adjustment tank 21 and outer loop locating plate locking device 5 and backup pad locking device 7, realized being applied to the blade of different specifications, model with same measuring tool and detected, improved and examined a commonality, practiced thrift the cost and improved the convenience of measuring tool management simultaneously, through design molded lines model 1, improved the convenience and the precision of detecting, guaranteed part quality.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides a survey utensil is synthesized to big band crown-type line which characterized in that: comprises a molded line sample plate (1), a bottom plate (2), and an inner ring positioning plate (3) and an outer ring positioning plate (4) which are perpendicular to the bottom plate (2), wherein the inner ring positioning plate (3) is fixedly connected to one side of the bottom plate (2), the bottom plate (2) is provided with an adjusting groove (21), the lower part of the outer ring positioning plate (4) is arranged in the adjusting groove (21) and can move in the adjusting groove (21), an outer ring positioning plate locking device (5) is arranged at the back of the bottom plate (2) corresponding to the outer ring positioning plate (4) and can limit the outer ring positioning plate (4) to move in the adjusting groove (21),
the molded line sample plate (1) is provided with a bayonet (11) and can be clamped on the bottom plate (2), the molded line sample plate (1) comprises a steam passage inner arc molded line sample plate (12) and a steam passage back arc molded line sample plate (13), the steam passage inner arc molded line sample plate (12) is provided with a curved surface matched with a steam passage inner arc molded line of a detected blade, and the steam passage back arc molded line sample plate (13) is provided with a curved surface matched with a steam passage back arc molded line of the detected blade.
2. The comprehensive survey tool of the main band crown-type line of claim 1, characterized in that: the inner ring positioning plate (3) and the outer ring positioning plate (4) are arranged between the middle supporting plate (6), the lower portion of the middle supporting plate (6) is arranged in the adjusting groove (21) and can move in the adjusting groove (21), a middle supporting plate locking device (7) is arranged at the position, corresponding to the middle supporting plate (6), of the back face of the bottom plate (2), and the middle supporting plate (6) can be limited to move in the adjusting groove (21).
3. The comprehensive survey tool of the main band crown-type line of claim 1, characterized in that: the inner ring positioning plate (3) and the outer ring positioning plate (4) are both provided with blade limiting pins (8), and the blade limiting pins (8) are matched with the shapes of two ends of the detected blades.
4. The comprehensive survey tool of the main band crown-type line of claim 1, characterized in that: the cross section of the adjusting groove (21) is I-shaped.
5. The comprehensive survey tool of the main band crown-type line of claim 1, characterized in that: the outer ring positioning plate locking device (5) comprises a first locking bolt (51) and a first limiting block (52), and the lower portion of the outer ring positioning plate (4) is connected with the first limiting block (52) through the first locking bolt (51) and can be screwed in or out of the first locking bolt (51) along with screwing or unscrewing so as to lock or loosen the outer ring positioning plate (4).
6. The comprehensive survey tool of the main band crown-type line of claim 2, characterized in that: the middle support plate locking device (7) comprises a second locking bolt (71) and a second limiting block (72), the lower portion of the middle support plate (6) is connected with the second limiting block (72) through the second locking bolt (71) and can be screwed in or out along with the second locking bolt (71) so as to lock or loosen the middle support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713232.2U CN211740045U (en) | 2020-04-30 | 2020-04-30 | Comprehensive measuring tool for large-belt crown-shaped line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713232.2U CN211740045U (en) | 2020-04-30 | 2020-04-30 | Comprehensive measuring tool for large-belt crown-shaped line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740045U true CN211740045U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020713232.2U Active CN211740045U (en) | 2020-04-30 | 2020-04-30 | Comprehensive measuring tool for large-belt crown-shaped line |
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| Country | Link |
|---|---|
| CN (1) | CN211740045U (en) |
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2020
- 2020-04-30 CN CN202020713232.2U patent/CN211740045U/en active Active
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