CN219757190U - Adjustable total length measuring tool for casting stationary blade of large turbine - Google Patents
Adjustable total length measuring tool for casting stationary blade of large turbine Download PDFInfo
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- CN219757190U CN219757190U CN202320430216.6U CN202320430216U CN219757190U CN 219757190 U CN219757190 U CN 219757190U CN 202320430216 U CN202320430216 U CN 202320430216U CN 219757190 U CN219757190 U CN 219757190U
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- blade
- blade root
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- positioning pin
- tip shroud
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- 238000005266 casting Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a large-sized turbine casting stationary blade adjustable total length measuring tool which comprises a blade root positioning pin, an angle positioning block, a blade crown positioning pin and a sliding detection assembly, wherein the blade root positioning pin is used for fixing a blade root on a bottom plate, the angle positioning block is used for positioning the width direction of a blade to be measured, the blade crown positioning pin is used for fixing the blade crown on the bottom plate, the sliding detection assembly can be slidably abutted against the curved surface of the blade crown to detect the curvature of the blade crown.
Description
Technical Field
The utility model belongs to the technical field of turbine stator blade measuring equipment, and particularly relates to a total length adjustable measuring tool for a large turbine casting stator blade.
Background
In the practical application of turbine products such as aviation, power generation and the like, the partition plates in the turbine are generally stationary blades, the total lengths of the stationary blades of different types are different, the circular arc angles of the large end and the small end are also different, the universality of a measuring device for detecting the total length of the stationary blades is poor, which is commonly used at present, one measuring tool is generally only used for measuring the stationary blades with the same circular arc angle and different lengths, when the shape of the stationary blades is changed, particularly when the circular arc angles of the circular arc surfaces on two sides of the stationary blades are changed, the accurate measurement of the total length of the stationary blades cannot be realized by using the conventional measuring tool, so that the problem of inaccurate measurement value is caused, if the measurement of the total length of the stationary blades with different circular arc surfaces is realized, another piece of equipment matched with the shape of the stationary blades is required to be redesigned, the whole reprocessing mode of the other piece of equipment consumes a large amount of resources such as manpower and materials, the manufacturing cycle is long, and the measurement efficiency of the large and medium-sized stationary blades with different shapes is seriously influenced.
Disclosure of Invention
The utility model aims to provide an adjustable total length measuring tool for a casting stator blade of a large turbine, which solves the problems that a conventional measuring device for detecting the total length of the stator blade in the prior art has poor universality, and the mode of redesigning and manufacturing another piece of equipment matched with the shape of the stator blade according to the shape of the stator blade has the defects of high resource consumption, high input cost and long manufacturing period.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a large-scale steam turbine casting stator blade adjustable total length survey utensil, its includes the bottom plate, be provided with blade root fixed part, angular positioning portion and slip detection portion on the bottom plate, blade root fixed part sets up in blade root department, blade root fixed part is configured to fix the blade root on the bottom plate, angular positioning portion is configured to the width direction location of blade, slip detection portion sets up in the blade crown department, slip detection portion includes blade crown locating component and slip detection component, blade crown locating component is configured to fix the blade crown on the bottom plate, slip detection component can slidingly lean on the curved surface department of blade crown to detect the camber of blade crown department.
Further, the tip shroud positioning assembly includes a tip shroud contour block slidably disposed on the base plate along a first direction by an adjustable screw, one side of the tip shroud contour block configured to mate with an arcuate surface of a tip shroud, and a tip shroud positioning pin secured to the tip shroud contour block, the tip shroud positioning pin configured to secure the tip shroud.
Further, the sliding detection assembly comprises a positioning support, an arc positioning pin and a total length template, wherein the total length template is detachably fixed on the positioning support through an adjusting bolt, the arc positioning pin penetrates through the positioning support, the bottom end of the arc positioning pin extends out, and the extending end of the arc positioning pin abuts against the cambered surface.
Further, the blade root fixing part comprises a blade root locating pin and a blade root equal-height block, the blade root locating pin is fixed on the bottom plate, the top end of the blade root locating pin extends out, the extending end of the blade root locating pin abuts against the blade root to fix the blade root on the bottom plate, and the blade root equal-height block is detachably mounted on the bottom plate.
Further, the angle positioning part comprises an angle positioning block and an angle adjusting screw, and the angle positioning block is adjustably arranged on the bottom plate along a second direction through the angle adjusting screw.
Further, the first direction is a length direction of the blade to be tested, and the second direction is a width direction of the blade to be tested.
Compared with the prior art, the adjustable total length measuring tool for the casting stator blade of the large turbine is provided with the blade root locating pin, the angle locating block, the blade crown locating pin and the sliding detection assembly, the blade to be measured is fixed on the bottom plate by adjusting the positions of the blade crown locating pin, the angle locating block and the blade crown locating pin on the bottom plate, and the camber of the blade crown is detected by adjusting the sliding detection assembly, so that the adjustable total length measuring tool for the casting stator blade of the large turbine is simple in structure, greatly improves the utilization rate of the bottom plate, and is simple and convenient in locating mode and good in universality.
Drawings
FIG. 1 is a schematic front view of a tool for measuring the adjustable total length of a casting stator blade of a large turbine according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a large turbine casting vane adjustable total length gauge according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a large turbine casting vane adjustable total length gauge according to an embodiment of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, in the present embodiment, a total length measuring tool for casting stator blades of a large turbine includes a base plate 1, a blade root fixing portion 2, an angle positioning portion 3, and a sliding detection portion, the blade root fixing portion 2 is disposed at a blade root, the blade root fixing portion 2 is configured to fix the blade root on the base plate 1, the angle positioning portion 3 is configured to position a width direction of a blade 9 to be measured, the sliding detection portion is disposed at a blade crown, the sliding detection portion includes a blade crown positioning assembly 4 and a sliding detection assembly 5, the blade crown positioning assembly 4 is configured to fix the blade crown on the base plate 1, and the sliding detection assembly 5 slidably abuts against a curved surface of the blade crown to detect a curved surface degree of the blade crown.
The shroud positioning assembly 4 comprises a shroud contour block 40 and a shroud contour positioning pin 41, wherein the shroud contour block 40 is slidably arranged on the base plate 1 along a first direction by the adjustable screw 7, the first direction is the length direction of the blade 9 to be tested, one side of the shroud contour block 40 is arranged to be matched with the cambered surface 6 of the shroud, the shroud contour positioning pin 41 is fixed on the shroud contour block 40, and the shroud contour positioning pin 41 is configured to fix the shroud.
The sliding detection assembly 5 comprises a positioning bracket 50, an arc positioning pin 51 and a total length template 52, wherein the total length template 52 is detachably fixed on the positioning bracket 50 through an adjusting bolt 8, the arc positioning pin 51 is arranged on the positioning bracket 50 in a penetrating mode, the bottom end of the arc positioning pin 51 extends out, and the extending end of the arc positioning pin 51 abuts against the cambered surface 6.
The blade root fixing part 2 comprises a blade root locating pin 20 and a blade root equal-height block 21, the blade root locating pin 20 is fixed on the bottom plate, the top end of the blade root locating pin 20 extends out, the extending end of the blade root locating pin 20 abuts against the blade root to fix the blade root on the bottom plate 1, and the blade root equal-height block 21 is detachably arranged on the bottom plate 1.
The angle positioning part 3 comprises an angle positioning block 30 and an angle adjusting screw 31, wherein the angle positioning block 30 is adjustably arranged on the bottom plate 1 along a second direction by the angle adjusting screw 31, and the second direction is the width direction of the blade 9 to be measured.
Obviously, through adjusting the position of blade crown locating pin 41, angle locating piece 30 and blade crown locating pin 41 on bottom plate 1 to be measured the blade is fixed on bottom plate 1, the rethread adjusts slip detection component 5, in order to detect the camber of blade crown department, not only simple structure, improve the utilization ratio of bottom plate 1 greatly, the locate mode is simple and convenient moreover, and the commonality is good.
When the adjustable total length measuring tool for casting stationary blades of the large turbine is clamped, the blade root of the blade 9 to be measured is positioned through the blade root positioning pin 20, the blade 9 to be measured is fixed in the width direction through the angle adjusting screw 31, the position of the blade crown equal-height block 40 on the bottom plate 1 is adjusted through the adjustable screw 7, the blade crown of the blade 9 to be measured is fixed through the matching of the blade crown positioning pin 41, and finally the positioning bracket 50 is adjusted to enable the arc positioning pin 51 to slide along the cambered surface 6 of the blade crown equal-height block 40 so as to detect the camber of the blade crown.
The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a large-scale steam turbine casting stator blade adjustable total length measuring tool, its includes the bottom plate, its characterized in that is provided with blade root fixed part, angle location portion and slip detection portion on the bottom plate, blade root fixed part sets up in blade root department, blade root fixed part is configured to fix the blade root on the bottom plate, angle location portion is configured to the width direction location of the blade that awaits measuring, slip detection portion sets up in the tip cap department, slip detection portion includes tip cap locating component and slip detection component, tip cap locating component is configured to fix the tip cap on the bottom plate, slip detection component can slidingly support the curved surface department of tip cap in order to detect the camber of tip cap department.
2. The tool of claim 1, wherein the tip shroud positioning assembly comprises a tip shroud contour block and a tip shroud positioning pin, the tip shroud contour block being slidably disposed on the base plate along a first direction by an adjustable screw, one side of the tip shroud contour block being configured to mate with an arcuate surface of a tip shroud, the tip shroud positioning pin being secured to the tip shroud contour block, the tip shroud positioning pin being configured to secure a tip shroud.
3. The tool according to claim 2, wherein the sliding detection assembly comprises a positioning bracket, an arc positioning pin and an overall length template, the overall length template is detachably fixed on the positioning bracket through an adjusting bolt, the arc positioning pin is arranged on the positioning bracket in a penetrating manner, the bottom end of the arc positioning pin extends out, and the extending end of the arc positioning pin abuts against the cambered surface.
4. The tool of claim 1, wherein the blade root fixing portion comprises a blade root locating pin and a blade root equal-height block, the blade root locating pin is fixed on the base plate, the top end of the blade root locating pin extends out, the extending end of the blade root locating pin abuts against the blade root to fix the blade root on the base plate, and the blade root equal-height block is detachably mounted on the base plate.
5. The tool of claim 2, wherein the angular positioning portion includes an angular positioning block and an angular adjustment screw, the angular positioning block being adjustably disposed on the base plate along a second direction by the angular adjustment screw.
6. The tool of claim 5, wherein the first direction is a length direction of a blade to be measured and the second direction is a width direction of the blade to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320430216.6U CN219757190U (en) | 2023-03-07 | 2023-03-07 | Adjustable total length measuring tool for casting stationary blade of large turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320430216.6U CN219757190U (en) | 2023-03-07 | 2023-03-07 | Adjustable total length measuring tool for casting stationary blade of large turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757190U true CN219757190U (en) | 2023-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320430216.6U Active CN219757190U (en) | 2023-03-07 | 2023-03-07 | Adjustable total length measuring tool for casting stationary blade of large turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757190U (en) |
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2023
- 2023-03-07 CN CN202320430216.6U patent/CN219757190U/en active Active
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