CN216385540U - Gas turbine blade's calibration subassembly and system of processing - Google Patents

Gas turbine blade's calibration subassembly and system of processing Download PDF

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Publication number
CN216385540U
CN216385540U CN202122736769.8U CN202122736769U CN216385540U CN 216385540 U CN216385540 U CN 216385540U CN 202122736769 U CN202122736769 U CN 202122736769U CN 216385540 U CN216385540 U CN 216385540U
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blade
gas turbine
casing
measurement data
coordinate measurement
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CN202122736769.8U
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Chinese (zh)
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陈履晖
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Siemens Energy Inc
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Siemens Energy Inc
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Abstract

A calibration assembly for a gas turbine blade comprises a reference blade (10), a first measuring device (20), a second measuring device (30) and a data processing device (40). The reference blade is the same type as the blade to be machined and can be mounted on the gas turbine. The first measuring device is capable of measuring a reference blade and acquiring three-coordinate measurement data of the reference blade. The second measuring device is capable of measuring the distance of the old blade and the reference blade from the casing in the radial direction of the casing of the gas turbine. The data processing equipment can calculate the three-coordinate measurement data of the blade to be processed according to the three-coordinate measurement data of the reference blade and the difference value of the distances between the old blade and the reference blade and the shell in the radial direction of the shell. The calibration assembly can accelerate the time for acquiring the data of the blade to be processed, and the process is more labor-saving. The utility model also provides a processing system with the calibration assembly.

Description

Gas turbine blade's calibration subassembly and system of processing
Technical Field
The utility model relates to a calibration assembly, in particular to a calibration assembly for a gas turbine blade and a processing system with the calibration assembly.
Background
The distance of the blades of the gas turbine from the casing in the radial direction of the casing needs to be precisely controlled. Therefore, when replacing the turbine blades, it is necessary to grind the tips of the blades to adjust the blade-to-casing spacing. At present, when the turbine blade is replaced, an engineer of a manufacturer needs to grind the blade on site, the grinded blade is posted to the manufacturer to obtain three-coordinate measurement data, and the manufacturer processes the rest blades according to the three-coordinate measurement data, so that the whole process is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a calibration assembly of a gas turbine blade, which can accelerate the time for acquiring data of the blade to be processed and save labor in the process.
Another object of the present invention is to provide a gas turbine blade processing system, which can shorten the processing time of the gas turbine blade and save the process.
The utility model provides a calibration assembly of a gas turbine blade, which is used for obtaining three-coordinate measurement data of a blade to be machined through an old blade. The reference blade is the same type as the blade to be machined and can be mounted on the gas turbine. The first measuring device is capable of measuring a reference blade and acquiring three-coordinate measurement data of the reference blade. The second measuring device is capable of measuring the distance of the old blade and the reference blade from the casing in the radial direction of the casing of the gas turbine. The data processing equipment can calculate the three-coordinate measurement data of the blade to be processed according to the three-coordinate measurement data of the reference blade and the difference value of the distances between the old blade and the reference blade and the shell in the radial direction of the shell.
This gas turbine blade's calibration subassembly can acquire the three-dimensional measured data of benchmark blade through first measuring equipment, and the engineer can measure the interval of old blade and benchmark blade and casing on the radial direction of gas turbine's casing through benchmark blade and second measuring equipment. The data processing equipment can calculate the three-coordinate measurement data of the blade to be processed according to the three-coordinate measurement data of the reference blade and the difference value between the distances between the old blade and the reference blade and the shell in the radial direction of the shell. The calibration assembly of the gas turbine blade can shorten the processing time of the blade to be processed, and the process is more labor-saving.
In another exemplary embodiment of the calibration assembly, the first measuring device is a three-coordinate measuring machine.
In yet another exemplary embodiment of the calibration assembly, the second measuring device is a feeler gauge, which is portable.
In yet another exemplary embodiment of the calibration assembly, the reference blade is ground for replacement blades, which can reduce overall costs.
The utility model provides a processing system of a gas turbine blade, which comprises a blade processing device and the calibration assembly. The blade machining device is capable of machining the blade from the three-coordinate measurement data. The data processing equipment can calculate the three-coordinate measurement data of the blade to be processed according to the three-coordinate measurement data of the reference blade and the difference value of the distances between the old blade and the reference blade and the shell in the radial direction of the shell.
In another exemplary embodiment of the machining system, the blade machining apparatus is a computer numerical control machining apparatus.
In a further exemplary embodiment of the machining system, the data processing device is a control unit of a computer numerical control machining device.
Drawings
The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.
FIG. 1 is a schematic illustration of a schematic embodiment of a calibration assembly for a gas turbine blade.
Fig. 2 is a schematic view of a state of use of the first measuring device.
Fig. 3 is a schematic view of a use state of the second measuring device.
Fig. 4 is a schematic view of another use state of the second measuring device.
Description of the reference symbols
10 reference blade
20 first measuring device
30 second measuring device
40 data processing device
60 old blade
72 casing
T1, T2 spacing
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings refer to the same or similar structural or functional components.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
In this document, "first", "second", etc. do not mean their importance or order, etc., but merely mean that they are distinguished from each other so as to facilitate the description of the document.
FIG. 1 is a schematic illustration of a schematic embodiment of a calibration assembly for a gas turbine blade. Fig. 2 is a schematic view of a state of use of the first measuring device. Referring to fig. 1 and 2, a calibration assembly of a gas turbine blade for obtaining three-coordinate measurement data of a blade to be machined from an old blade 60 includes a reference blade 10, a first measuring device 20, a second measuring device 30, and a data processing device 40.
Referring to fig. 3, the reference blade 10 is of the same model as the blade to be machined and can be mounted on a gas turbine. In the exemplary embodiment, the reference blade 10 is ground for the blade that was replaced before. Since the blade is worn in use, it is necessary to grind the tip of the blade under replacement to be smooth for accurate measurement. Therefore, the replaced blades can be reused, and the overall cost is reduced.
Referring to fig. 2, the first measuring device 20 is a three-coordinate measuring machine capable of measuring the reference blade 10 and acquiring three-coordinate measurement data of the reference blade 10, but is not limited thereto, and measurement may be performed by other devices in other exemplary embodiments.
Fig. 3 and 4 are schematic views of the use state of the second measuring device. Referring to fig. 3 and 4, the second measuring apparatus 30 is a feeler gauge capable of measuring a distance T1 of the old blade 60 from the casing 72 in the radial direction of the casing 72 of the gas turbine and a distance T1 of the reference blade 10 from the casing 72 in the radial direction of the casing 72 of the gas turbine, and a difference between the distances of the old blade 60 and the reference blade 10 from the casing 72 in the radial direction of the casing 72 can be found by subtracting the distances T1 and T2. By way of example, and not limitation, measurements may be made by other devices in other exemplary embodiments.
Referring to fig. 1, the data processing device 40 is a microprocessor capable of signal-connecting the first measuring device 20 to acquire the three-coordinate measurement data of the reference blade 10 and also capable of acquiring the difference between the pitch of the old blade 60 and the pitch of the reference blade 10 in the radial direction of the casing 72 and the pitch of the casing 72 by inputting, and the data processing device 40 is capable of calculating based on the three-coordinate measurement data of the reference blade 10 and the difference between the pitch of the old blade 60 and the pitch of the reference blade 10 in the radial direction of the casing 72 and the casing 72, thereby obtaining the three-coordinate measurement data of the blade to be processed.
In use, the calibration assembly of the gas turbine blade is now manufactured by the manufacturer using the first measuring device 20 to obtain three-dimensional measurement data of the reference blade 10. The engineer carries the reference blade 10 and the second measuring device 30 to the location of the gas turbine, and then measures the distance between the old blade 60 and the reference blade 10 and the casing 72 in the radial direction of the casing 72 of the gas turbine. The engineer then transmits back to the manufacturer the distance between the old blade 60 and the reference blade 10 in the radial direction of the casing 72 of the gas turbine and the casing 72. The data processing device 40 at the factory can calculate the three-coordinate measurement data of the blade to be machined from the three-coordinate measurement data of the reference blade 10 and the difference between the distances between the old blade 60 and the reference blade 10 and the casing 72 in the radial direction of the casing 72. Borrow by the calibration subassembly that this application provided, avoided the engineer at the on-the-spot blade of grinding to send information data through to the producer and avoided mailing the blade that will grind for the producer. The time for acquiring the data of the blade to be processed is accelerated, and the process is more convenient and labor-saving.
The utility model provides a processing system of a gas turbine blade, which comprises a blade processing device and the calibration assembly. The blade processing equipment is computer numerical control processing equipment and can process the blade according to the three-coordinate measurement data. The data processing device 40 is capable of calculating the three-coordinate measurement data of the blade to be machined from the three-coordinate measurement data of the reference blade 10 and the difference between the distances of the old blade 60 and the reference blade 10 from the casing 72 in the radial direction of the casing 72. In the illustrative embodiment, the data processing device 40 is a control unit of a computer numerical control machining device.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications such as combinations, divisions or repetitions of features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.

Claims (7)

1. Calibration assembly for gas turbine blades for obtaining three-coordinate measurement data of the blade to be machined from an old blade, characterized in that it comprises:
a reference blade (10) of the same type as the blade to be machined and able to be mounted on a gas turbine;
-a first measuring device (20) able to measure said reference blade (10) and to acquire three-coordinate measurement data of said reference blade (10);
a second measuring device (30) which is capable of measuring the distance between the used blade and the reference blade (10) in the radial direction of the casing of the gas turbine and the casing; and
a data processing device (40) capable of calculating the three-coordinate measurement data of the blade to be machined from the three-coordinate measurement data of the reference blade (10) and the difference between the distances between the old blade and the reference blade (10) in the radial direction of the casing and the casing.
2. A calibration assembly for a gas turbine blade according to claim 1, characterized in that said first measuring device (20) is a three-coordinate measuring machine.
3. A calibration assembly for a gas turbine blade according to claim 1, characterized in that said second measuring device (30) is a feeler.
4. The gas turbine blade calibration assembly of claim 1, wherein the reference blade (10) is ground for replacement blades.
5. A system for processing a gas turbine blade, comprising:
a blade machining device capable of machining a blade based on the three-coordinate measurement data; and
a calibration assembly according to any one of claims 1 to 4, the data processing device (40) being capable of calculating the three-coordinate measurement data of the blade to be machined from the three-coordinate measurement data of the reference blade (10) and the difference between the pitch of the old blade and the reference blade (10) in the radial direction of the casing and the pitch of the casing.
6. The gas turbine blade machining system of claim 5, wherein the blade machining apparatus is a computer numerically controlled machining apparatus.
7. The gas turbine blade machining system of claim 6, wherein the data processing device (40) is a control unit of a computer numerical control machining device.
CN202122736769.8U 2021-11-10 2021-11-10 Gas turbine blade's calibration subassembly and system of processing Active CN216385540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122736769.8U CN216385540U (en) 2021-11-10 2021-11-10 Gas turbine blade's calibration subassembly and system of processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122736769.8U CN216385540U (en) 2021-11-10 2021-11-10 Gas turbine blade's calibration subassembly and system of processing

Publications (1)

Publication Number Publication Date
CN216385540U true CN216385540U (en) 2022-04-26

Family

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CN202122736769.8U Active CN216385540U (en) 2021-11-10 2021-11-10 Gas turbine blade's calibration subassembly and system of processing

Country Status (1)

Country Link
CN (1) CN216385540U (en)

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