A method for measuring a stationary blade slot of a steam turbine cylinder

Abstract

The application discloses a steam turbine cylinder static blade slot measuring method and relates to the technical field of cylinder static blade measurement, and comprises the following steps: S1, setting measuring information on a measuring page of a remote control center, and sending a measuring instruction to a machine tool numerical control subsystem after setting the measuring information; S2, controlling a numerical control machine tool and a wireless probe to operate according to the measuring instruction, and measuring a steam turbine cylinder static blade slot workpiece in the numerical control machine tool, wherein the wireless probe feeds back workpiece size information measured by the wireless probe to the machine tool numerical control subsystem during the measuring; S3, uploading the workpiece size information, numerical control machine tool operation information and wireless probe operation information to the remote control center by the machine tool numerical control subsystem, and displaying the workpiece size information on a measuring page of the remote control center, and remotely monitoring the operation states of the wireless probe and the numerical control machine tool. The application can guide tool setting by using the wireless probe by operating on the remote control center.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cylinder static blade slot measurement, and more particularly to a turbine cylinder static blade slot measurement method. BACKGROUND

[0002] The static blade slot is an important component of the turbine, mainly used for installing the static blade of the cylinder. The static blade can convert high-speed airflow into high-pressure energy to push the turbine to rotate, thereby generating power. The static blade slot is usually made of steel plate and has a shape similar to a pipe, with a protrusion inside, which not only firmly fixes the static blade, but also keeps the air duct of the cylinder unobstructed to avoid airflow obstruction.

[0003] Since the machining quality and accuracy of the static blade slot are key factors affecting the performance and service life of the turbine, the turbine cylinder static blade slot must be measured during the manufacture of the cylinder static blade slot to ensure its accuracy and quality, so as to ensure the normal operation and high efficiency of the turbine.

[0004] In the prior art, the workpiece workbench is rotated during the vertical lathe machining of the turbine factory, and the lathe and the cutter are displaced in a small range to cut the turbine cylinder static blade slot workpiece. In order to ensure the accuracy of machining, workers need to manually set the tool multiple times. However, the workpiece size is large, the machining content is complex, there are problems such as steam, dust, insufficient light in the field cylinder, and workers need to repeatedly climb into the cylinder for measurement, which has safety hazards. SUMMARY

[0005] In order to overcome the defects in the prior art, the present application discloses a turbine cylinder static blade slot measurement method, and the purpose of the present application is to solve the safety hazards of manual measurement of the tool in the prior art. The machine tool numerical control subsystem is remotely controlled by the remote control center, and the wireless probe of the measurement subsystem is controlled by the machine tool numerical control subsystem to measure accurately. Workers can use the wireless probe to guide the tool setting at the remote control center, and realize the parametric measurement of different sizes of the turbine cylinder static blade slot (I-shaped slot).

[0006] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0007] A turbine cylinder static blade slot measurement method, the measurement method is completed by a measurement system, the measurement system includes a measurement subsystem, a machine tool numerical control subsystem, a wireless communication subsystem and a remote control center, the measurement subsystem includes a wireless probe and a wireless receiver, the wireless probe is detachably installed on the spindle of the turbine cylinder static blade slot machining numerical control machine tool, the wireless probe and the machine tool numerical control subsystem communicate through the wireless receiver, and the machine tool numerical control subsystem and the remote control center communicate through the wireless communication subsystem.

[0008] The measurement method comprises the following steps:

[0009] S1, setting measurement information in a measurement page of a remote control center, and sending a measurement instruction to a machine tool numerical control subsystem after setting the measurement information;

[0010] Preferably, the S1 step comprises the following steps:

[0011] S11, entering a measurement page of the remote control center, and selecting a new task;

[0012] S12, inputting I-beam related data in the new task page;

[0013] Preferably, the S12 step comprises the following steps:

[0014] S121, inputting, in the new task page, a grade of the I-beam, design values of each size, an upper tolerance and a lower tolerance in sequence, wherein the size and the tolerance can be inputted in positive and negative values, several pages are inputted if several grades need to be measured, and all the values need to be inputted;

[0015] In the above step, the grade refers to how many different sizes of the cylinder, and generally there are 22 grades. The purpose of setting the grade is to control the steam flow in different sizes, so that the loss of steam conversion into kinetic energy is smaller. The purpose of inputting the design values of each size and the upper and lower tolerances is to compare with the measured values, and to determine whether the machining is problematic after comparison.

[0016] S122, uploading the inputted data after the inputting is completed;

[0017] In the above step, the design values are clicked to be uploaded after the inputting is completed.

[0018] S123, inputting a unit number and a material number after the inputted data is uploaded;

[0019] In the above step, the unit number refers to a unit of a power plant, and the material number is a unique number of a material. The purpose of inputting the unit number and the material number is to output a test report.

[0020] S13, if a size needs to be modified after the inputting of the I-beam related data is completed, a size modification button is clicked to enter a size modification page, and the size that needs to be modified is modified;

[0021] S14, the input is confirmed again to be correct, the page operation is completed after the input is correct, and an operator goes to a numerical control machine tool for subsequent measurement operation.

[0022] S2, the machine tool numerical control subsystem controls the numerical control machine tool and the wireless probe to run according to the measurement instruction, and measures the steam turbine cylinder static blade slot workpiece in the numerical control machine tool, and the wireless probe feeds back the workpiece size information measured to the machine tool numerical control subsystem during the measurement;

[0023] Preferably, the measurement subsystem further comprises a probe repeated clamping module fixedly arranged on the main shaft of the numerical control machine tool, and the wireless probe is detachably arranged on the probe repeated clamping module through a magnetic base; the measurement subsystem further comprises a packaging box arranged outside the numerical control machine tool and used for placing the wireless probe detached.

[0024] In the S2 step, the wireless probe is used to measure the workpiece in the numerical control machine tool, and the wireless probe is placed in the packaging box during the machining of the numerical control machine tool; and the wireless probe is quickly clamped in the probe repeated clamping module during the detection.

[0025] Preferably, in the S2 step, the customized calibration program is executed first, and then the customized workpiece measurement program is executed during the measurement by using the wireless probe.

[0026] Preferably, the measurement subsystem further comprises a reference calibration block and a calibration block fixing base, the reference calibration block is arranged on the calibration block fixing base, and the calibration block fixing base is arranged on the bed casting of the numerical control machine tool.

[0027] In the S2 step, the customized calibration program is that the wireless probe is in contact with the upper and lower standard surfaces in the reference calibration block, the current Z-axis and X-axis errors are measured, and are transmitted to the machine tool numerical control subsystem variable.

[0028] In the above step, the purpose of the customized calibration program is to obtain the physically measured machine tool coordinate zero point.

[0029] The principle of calibration is that the machine tool has a reference calibration block for zero point measurement, the actual coordinates of the current probe are obtained through contact measurement with the calibration block, and the actual measurement is performed from the directions of three axes.

[0030] Preferably, in the S2 step, the customized workpiece measurement program comprises the following steps:

[0031] A, the wireless probe and the calibration block origin are in contact, and the correlation between the calibration block and the lathe coordinate system is established;

[0032] In the above step, the purpose of establishing the correlation between the calibration block and the lathe coordinate system is to measure in one coordinate system.

[0033] B, the tool head of the numerical control machine tool contacts the origin of the calibration block to complete the first tool setting, the tool head to the origin of the wireless probe contact data in step A is used to obtain the tool head to the wireless probe ball center distance information and transmit it to the numerical control subsystem of the machine tool, and the numerical control subsystem of the machine tool transmits it to the remote control center;

[0034] In the above steps, the tool head contacts the origin (upper surface, inner wall) of the calibration block to complete the first tool setting. After completion, the tool head to the probe ball center distance (distance in Z axis and distance in X axis) can be obtained.

[0035] In the above steps, the purpose of obtaining the tool head to the wireless probe ball center distance is to obtain the coordinate of the frontmost contact point of the measuring needle.

[0036] In the above steps, the principle of obtaining the tool head to the wireless probe ball center distance by using the first tool setting is that the tool head can contact the workpiece, but the wireless probe ball collides with the calibration block. Therefore, by subtracting the coordinates when the tool head contacts the origin of the calibration block from the coordinates when the wireless probe ball contacts the origin of the calibration block, the tool head to the wireless probe ball center distance can be obtained, which is the same distance in x axis and z axis.

[0037] C, the wireless probe is lowered to the processing position and contacts the workpiece wall to measure the workpiece size information and transmit it to the numerical control subsystem of the machine tool, and the numerical control subsystem of the machine tool transmits it to the remote control center;

[0038] D, the remote control center sets the machine tool processing compensation value according to the measured workpiece size information and the tool head to the wireless probe ball center distance information,

[0039] sets the tool head running program according to the machine tool processing compensation value, and transmits the tool head running program to the numerical control subsystem of the machine tool, and the numerical control subsystem of the machine tool guides the tool head to travel to the processing position for accurate tool setting.

[0040] Preferably, after the tool setting in step D, the wireless probe is disassembled and saved in the packaging box, and the workpiece processing program can be performed.

[0041] S3, the numerical control subsystem of the machine tool uploads the workpiece size information, numerical control machine tool running information and wireless probe running information to the remote control center, and the remote control center displays the workpiece size information on the measurement page, and remotely monitors the running state of the wireless probe and the numerical control machine tool.

[0042] Preferably, the wireless receiver is connected to the numerical control subsystem of the machine tool through a cable.

[0043] Preferably, the wireless communication subsystem comprises an industrial gateway and a 5G terminal, the machine tool numerical control subsystem is electrically connected with the industrial gateway, the industrial gateway is electrically connected with the 5G terminal, and the 5G terminal is wirelessly connected with the remote control center.

[0044] Preferably, the remote control center is connected with an alarm module.

[0045] Preferably, the remote control center:

[0046] Different sizes of the I-shaped groove are realized parameterized measurement, and the size measurement of various requirements can be realized by modifying the specified parameter values.

[0047] The machining zero point is set, and the detection value is automatically updated to the machine tool arbitrary machining coordinate system according to the rules;

[0048] The measurement program is automatically called to detect the size of the part, the detection of the key size at any reasonable position in the machining process is realized, and whether the machining program, the coordinate system and the tool parameter adjustment or the program pause are automatically performed is automatically judged according to the detection value;

[0049] Whether the workpiece size is out of tolerance is judged according to the preset tolerance value; when the size is out of tolerance, the program is paused, the machine tool stops detecting, and preset alarm information is displayed on the operation interface to prompt the out-of-tolerance feature position and type;

[0050] The text format measurement data report is established and uploaded to the computer or stored in the machine tool;

[0051] The probe calibration scheme and use instruction are provided, and when the probe is repeatedly clamped or replaced, calibration can be realized quickly.

[0052] The beneficial effects of the present application are:

[0053] The steam turbine cylinder static blade slot measurement method provided by the present application measures the workpiece size information on the numerical control machine tool through the wireless probe, sends the measured workpiece size information to the machine tool numerical control subsystem through the wireless receiver, sends the workpiece size information to the remote control center through the wireless communication subsystem, receives the workpiece size information and sends the control instruction to the machine tool numerical control subsystem through the wireless communication subsystem, controls the operation of the numerical control machine tool and the measurement subsystem, automatically measures and aligns the tool through the wireless probe, and avoids the safety hazards existing in manual measurement.

[0054] The steam turbine cylinder static blade slot measuring method provided by the application connects the measuring operation with the information system, realizes remote control of tool setting operation, adopts the mode of connecting the industrial cloud through 5G network, ensures real-time, wide range and high efficiency of transmission, greatly improves the accuracy of measurement, ensures the accuracy of tool setting, uses precise wireless probes, has great advantages compared with the instability of manual operation, reduces the workload of workers, and greatly improves the safety protection of workers.

[0055] The steam turbine cylinder static blade slot measuring method provided by the application remotely measures workpiece size information, connects the wireless probe with the staff in the control room (remote control center) through network transmission, realizes unmanned measurement of the measurement site, automatically measures and warns, ensures the safety and accuracy of tool setting operation, makes the measurement operation more convenient, greatly reduces the error and workload compared with manual measurement and calculation, automatically collects data, synchronously saves the measurement data and tool setting operation, and ensures the accuracy and timeliness of the data. BRIEF DESCRIPTION OF DRAWINGS

[0056] Figure 1 The system diagram of the application Figure 1 ;

[0057] Figure 2 The system diagram of the application Figure 2 ;

[0058] Figure 3 The calibration diagram of the application

[0059] Figure 4 The contact diagram of the application

[0060] Figure 5 The tool setting diagram of the application

[0061] Figure 6 The task page of the application

[0062] Figure 7 The modification parameter of the application

[0063] Figure 8 The print page of the application

[0064] Figure 9 The wireless probe use diagram of the measurement system of the application

[0065] REFERENCE NUMERALS:

[0066] 1, measurement subsystem; 11, wireless measuring head; 12, wireless receiver; 13, measuring head repeated clamping module; 14, reference calibration block; 15, calibration block fixed base; 2, machine tool numerical control subsystem; 3, wireless communication subsystem; 31, industrial gateway; 32, 5G terminal; 4, remote control center. DETAILED DESCRIPTION

[0067] The concept, specific structure and technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present application.

[0068] Embodiment 1

[0069] A steam turbine cylinder static blade slot measurement method, as shown in Figure 1 and 2 , the measurement method is completed by a measurement system, the measurement system includes a measurement subsystem 1, a machine tool numerical control subsystem 2, a wireless communication subsystem 3 and a remote control center 4, the measurement subsystem includes a wireless measuring head 11 and a wireless receiver 12, the wireless measuring head 11 is detachably installed on the spindle of the numerical control machine tool for processing the steam turbine cylinder static blade slot, the wireless measuring head 11 and the machine tool numerical control subsystem 2 communicate through the wireless receiver 12, and the machine tool numerical control subsystem 2 and the remote control center 4 communicate through the wireless communication subsystem 3.

[0070] In this embodiment, the wireless measuring head 11 sends the measured workpiece size information to the machine tool numerical control subsystem 2 through the wireless receiver 12, the machine tool numerical control subsystem 2 sends the workpiece size information to the remote control center 4 through the wireless communication subsystem 3, the remote control center 4 receives the workpiece size information and sends control instructions to the machine tool numerical control subsystem 2 through the wireless communication subsystem 3 to control the operation of the numerical control machine tool and the measurement subsystem 1.

[0071] In this embodiment, the measurement subsystem 1 is used to measure the size information of the workpiece on the numerical control machine tool, specifically, the wireless measuring head 11 is an execution member for performing measurement, and the wireless receiver 12 is used for wireless communication between the wireless measuring head 11 and the machine tool numerical control subsystem 2. The machine tool numerical control subsystem 2 is used to control the operation of the numerical control machine tool and the measurement subsystem 1. The wireless communication subsystem 3 is used for wireless communication between the machine tool numerical control subsystem 2 and the remote control center 4. The remote control center 4 is used to remotely control the operation of the measurement subsystem 1 and the machine tool numerical control subsystem 2, and the remote control center 4 is connected with an alarm module for alarm.

[0072] In this embodiment, the wireless measuring head 11 is selected as the basic component. The selected wireless measuring head 11 is suitable for medium and large machine tools, the transmission frequency is 2.4GHz, the maximum transmission distance is 18 meters, it has excellent anti-interference performance and super-long battery life, and can be applied to Siemens system and supports secondary development application.

[0073] In the embodiment, the remote control center 4 issues the measurement design value to the machine tool numerical control subsystem 2, and the machine tool numerical control subsystem 2 uploads the measurement value to the remote control center 4 in real time after completing the measurement according to the preset program, and presets the alarm information on the operation interface to prompt the out-of-tolerance characteristic position and type.

[0074] In the embodiment, the measured workpiece is specifically a steam turbine cylinder vane slot, and the function of the steam turbine cylinder vane slot is to install the vane of the cylinder.

[0075] The measurement method of the embodiment includes the following steps:

[0076] S1, setting measurement information on the measurement page of the remote control center, and sending a measurement instruction to the machine tool numerical control subsystem after setting the measurement information;

[0077] S2, controlling the numerical control machine tool and the wireless probe to operate according to the measurement instruction, and measuring the steam turbine cylinder vane slot workpiece in the numerical control machine tool, and feeding back the measured workpiece size information to the machine tool numerical control subsystem by the wireless probe during the measurement;

[0078] S3, uploading the workpiece size information, the numerical control machine tool operation information and the wireless probe operation information to the remote control center, and displaying the workpiece size information on the measurement page of the remote control center, and remotely monitoring the operation states of the wireless probe and the numerical control machine tool.

[0079] Embodiment 2

[0080] The embodiment is further described on the basis of the embodiment 1, and the S1 step includes the following steps:

[0081] S11, entering the measurement page of the remote control center and selecting a new task;

[0082] S12, inputting the I-shaped slot related data in the new task page, such as shown in the following table: Figure 6

[0083] The S12 step includes the following steps:

[0084] S121, inputting the I-shaped slot grade, the design value of each size, the upper tolerance and the lower tolerance in the new task page in sequence, wherein the size and the tolerance can be inputted as positive and negative values, the number of levels to be measured this time is inputted in several pages, and all the values need to be inputted;

[0085] S122, uploading the inputted data after the inputting is completed;

[0086] In the above steps, the design value is clicked to be uploaded after the inputting is completed.

[0087] ​S123, after completing the input data upload, input the station number and material number.

[0088] S13, after completing the input of the I-beam related data, if the size needs to be modified, click the size modification button to enter the size modification page, and modify the size that needs to be modified, as shown in Figure 7

[0089] S14, confirm again whether the input is correct, and after the input is correct, the page operation is completed, and the operator goes to the numerical control machine tool for subsequent measurement operation.

[0090] Embodiment 3

[0091] This embodiment is further described on the basis of embodiment 2, the measuring sub-system further comprises a probe repeated clamping module 13, the probe repeated clamping module 13 is fixedly arranged on the spindle of the numerical control machine tool, and the wireless probe 11 is detachably installed on the probe repeated clamping module 13 through a magnetic base; the measuring sub-system further comprises a packaging box located outside the numerical control machine tool and used for placing the detached wireless probe.

[0092] In this embodiment, the probe repeated clamping module 13 is used for installing the wireless probe 11. The probe repeated clamping module 13 is fixed on the right side of the spindle of the machine tool and is not detached, the wireless probe 11 is connected with the probe repeated clamping module 13 through a magnetic base, and can be conveniently detached after use. The probe repeated clamping module 13 can be a conventional probe clamping seat in the prior art, which is provided with a clamping hole, and the wireless probe 11 is clamped in the clamping hole and magnetically connected with the clamping seat.

[0093] In the S2 step, the wireless probe is used to measure the workpiece in the numerical control machine tool, and the wireless probe is taken off and placed in the packaging box during machining of the numerical control machine tool; the wireless probe is quickly clamped in the probe repeated clamping module during detection.

[0094] In the S2 step, when the wireless probe is used for measurement, a customized calibration program is first executed, and then a customized workpiece measurement program is executed.

[0095] The measuring sub-system further comprises a reference calibration block 14 and a calibration block fixing base 15, the reference calibration block 14 is installed on the calibration block fixing base 15, and the calibration block fixing base 15 is installed on the bed casting of the numerical control machine tool;

[0096] In this embodiment, the reference calibration block 14 is used for measuring the data of the reference calibration block by the probe, and the data is used as a verification standard for workpiece error, and the calibration block fixing base 15 is used for installing the reference calibration block 14. The bed body of the machine tool is cast, mainly playing a role of fixing parts or guiding.

[0097] As Figure 3 ​As shown, the reference calibration block 14 includes a center and upper and lower reference surfaces, the center having no actual function; the upper and lower reference surfaces serve as positioning references.

[0098] In the S2 step, the customized calibration program is to contact the wireless probe with the upper and lower standard surfaces in the reference calibration block, measure the current Z-axis and X-axis errors, and transmit them to the machine tool numerical control subsystem variables.

[0099] In the S2 step, the customized workpiece measurement program includes the following steps:

[0100] A. Contact the wireless probe with the calibration block origin to establish the correlation between the calibration block and the lathe coordinate system;

[0101] B. Contact the tool head of the numerical control machine tool with the calibration block origin to complete a tool setting, use the tool setting data and the origin contact data of the wireless probe in step A to obtain the tool head to wireless probe ball center distance information and transmit it to the machine tool numerical control subsystem, which then transmits it to the remote control center;

[0102] C. Lower the wireless probe to the machining position and contact it with the workpiece wall to measure the workpiece size information and transmit it to the machine tool numerical control subsystem, which then transmits it to the remote control center, as shown in Figure 4 and 5 .

[0103] D. The remote control center sets the machine tool machining compensation value according to the measured workpiece size information and the tool head to wireless probe ball center distance information,

[0104] sets the tool head running program according to the machine tool machining compensation value, and transmits the tool head running program to the machine tool numerical control subsystem, which guides the tool head to travel to the machining position for precise tool setting according to the tool head running program.

[0105] After the tool setting in step D, the wireless probe is disassembled and saved using the packaging box, and the workpiece machining program can be performed.

[0106] Example 4

[0107] This embodiment is further described on the basis of Example 3, and the wireless receiver 12 is connected to the machine tool numerical control subsystem 2 through a cable. The wireless communication subsystem 3 includes an industrial gateway 31 and a 5G terminal 32, the machine tool numerical control subsystem 2 is electrically connected to the industrial gateway 31, the industrial gateway 31 is electrically connected to the 5G terminal 32, and the 5G terminal 32 is wirelessly connected to the remote control center 4.

[0108] In this embodiment, the 5G terminal 32 is a 5G CPE. The industrial gateway is responsible for obtaining the working state of the wireless probe 11, the related measurement values, and the error values from the machine tool numerical control subsystem 2. The 5G CPE is responsible for transmitting the related data obtained by the industrial gateway to the remote control center through a secure data transmission channel, so as to realize centralized data presentation and remote monitoring of the working state of the probe.

[0109] In this embodiment, the wireless probe 11 is selected from the RWR95.20 model of Hexagon Company; the wireless receiver 12 is selected from the RWR95.20 model of Hexagon Company; the machine tool numerical control subsystem 2 is selected from the 840D model of Siemens Company; the industrial gateway 31 is selected from the industrial gateway of Dongfang Research Institute Company; the 5G terminal 32 is selected from the CP model of Huawei Company; and the remote control center 4 is selected from the control center of Dongfang Steam Turbine Company.

[0110] In this embodiment, for the remote control center, after all the pages are measured, the measurement data are uploaded to the measurement interface together, and the "print page" is clicked to print. In addition to the part number and the material number, other contents can be manually input, and after completion, the page can be printed vertically, as shown in Figure 8 .

[0111] For the remote control center, it has a customized software system with the following functions:

[0112] 1) The software system includes a customized system software package, which can realize parameterized measurement of different sizes of the I-shaped groove, that is, by modifying the specified parameter values, the size measurement of various special sizes can be realized

[0113] 2) The zero point can be automatically set, and the detection value can be automatically updated to the arbitrary machining coordinate system of the machine tool according to the rules

[0114] 3) The automatic calling of the measurement program to detect the size of the part can be realized, and the detection of the key size at any reasonable position in the machining process can also be realized, and whether to automatically adjust the machining program, the coordinate system, and the tool parameters or to pause the program can be automatically judged according to the detection value.

[0115] 4) Whether the workpiece size is out of tolerance can be judged according to the preset tolerance value; when the size is out of tolerance, the program is paused, the machine tool stops detecting, and preset alarm information is displayed on the operation interface to prompt the out-of-tolerance feature position and type.

[0116] 5) A text format measurement data report can be established, which can be uploaded to the computer or stored in the machine tool

[0117] 6) The probe calibration scheme and usage instructions are provided, and when the probe is repeatedly clamped or replaced, the calibration can be quickly realized.

[0118] The remote control center is responsible for unified management of the running state of the lathe, and can timely call the lathe machining state. In the scheme, the remote monitoring of the running state of the wireless probe is mainly responsible.

[0119] As shown in Figure 9 The wireless probe usage diagram of the measuring system is shown.

[0120] The above describes the embodiments of the present application, but the present application is not limited to the above-mentioned embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A method of measuring a stationary vane slot of a steam turbine cylinder, characterized by, The measurement method is completed by a measurement system, the measurement system comprises a measurement subsystem, a machine tool numerical control subsystem, a wireless communication subsystem and a remote control center, the measurement subsystem comprises a wireless probe and a wireless receiver, the wireless probe is detachably installed on a spindle of a numerical control machine tool for processing a steam turbine cylinder vane slot, the wireless probe and the machine tool numerical control subsystem communicate through the wireless receiver, and the machine tool numerical control subsystem and the remote control center communicate through the wireless communication subsystem; The measurement method comprises the following steps: S1, setting measurement information on a measurement page of the remote control center, and sending a measurement instruction to the machine tool numerical control subsystem after setting the measurement information; S2, controlling the numerical control machine tool and the wireless probe to operate according to the measurement instruction, and measuring a steam turbine cylinder vane slot workpiece in the numerical control machine tool, wherein the wireless probe feeds back workpiece size information measured by the wireless probe to the machine tool numerical control subsystem during the measurement; S3, uploading the workpiece size information, numerical control machine tool operation information and wireless probe operation information to the remote control center, and displaying the workpiece size information on a measurement page of the remote control center, and remotely monitoring the operation states of the wireless probe and the numerical control machine tool; In the S2 step, a customized calibration program is executed to obtain a physically measured machine tool coordinate zero point, and then a customized workpiece measurement program is executed during the measurement by the wireless probe; The measurement subsystem further comprises a reference calibration block and a calibration block fixing base, the reference calibration block is installed on the calibration block fixing base, and the calibration block fixing base is installed on a bed casting of the numerical control machine tool; In the S2 step, the customized calibration program is that the wireless probe is in contact with upper and lower standard surfaces in the reference calibration block, the current Z-axis and X-axis errors are measured, and the current Z-axis and X-axis errors are transmitted to machine tool numerical control subsystem variables; In the S2 step, the customized workpiece measurement program comprises the following steps: A, the wireless probe and the calibration block origin are in contact, and the correlation between the calibration block and the lathe coordinate system is established; B, the tool head of the numerical control machine tool is in contact with the calibration block origin to complete a tool setting, the tool head to wireless probe ball center distance information is obtained by using the tool setting data and the origin contact data of the wireless probe in the A step, and the tool head to wireless probe ball center distance information is transmitted to the machine tool numerical control subsystem, and then transmitted to the remote control center by the machine tool numerical control subsystem; C, the wireless probe is lowered to a processing position and in contact with a workpiece wall, workpiece size information is measured and transmitted to the machine tool numerical control subsystem, and then transmitted to the remote control center by the machine tool numerical control subsystem; D, the remote control center sets a machine tool processing compensation value according to the measured workpiece size information and the tool head to wireless probe ball center distance information, sets a tool head operation program according to the machine tool processing compensation value, and transmits the tool head operation program to the machine tool numerical control subsystem, and the machine tool numerical control subsystem guides the tool head to travel to a processing position for accurate tool setting according to the tool head operation program.

2. The method of claim 1, wherein the step of measuring the turbine bucket slot comprises: The S1 step comprises the following steps: S11, entering a measurement page of the remote control center, and selecting a new task; S12, inputting work slot related data in a new task page; S13, after the I-beam related data input task is completed, if the size needs to be modified, click the size modification button to enter the size modification page to modify the size that needs to be modified; S14, confirm again whether the input is correct, after the input is correct, the page operation is completed, and the operator goes to the numerical control machine tool for subsequent measurement operation.

3. The method of claim 2, wherein the step of measuring the turbine bucket slot comprises the step of: The S12 step includes the following steps: ​ S121, in the newly created task page, input the I-beam grade, the design value of each size, the upper tolerance and the lower tolerance in sequence, wherein the size and the tolerance can be positive and negative values, this time several levels need to be measured, input in several pages, and all numerical values need to be input; S122, after the input is completed, upload the input data; S123, after the input data uploading is completed, input the station number and the material number.

4. The method of claim 1, wherein the step of measuring the turbine bucket slot comprises the step of: The measuring subsystem further includes a probe repeated clamping module, the probe repeated clamping module is fixedly arranged on the spindle of the numerical control machine tool, and the wireless probe is detachably arranged on the probe repeated clamping module through a magnetic base; the measuring subsystem further includes a packaging box located outside the numerical control machine tool and used for placing the detached wireless probe; ​ In the S2 step, the wireless probe is used to measure the workpiece in the numerical control machine tool, and the wireless probe is taken off and placed in the packaging box during machining of the numerical control machine tool; the wireless probe is quickly clamped in the probe repeated clamping module during detection.

5. The method of claim 1, wherein, After the D step, the wireless probe is detached and saved by using the packaging box, so that the workpiece machining program can be performed.

6. The method of claim 1, wherein, The wireless receiver is connected with the machine tool numerical control subsystem through a cable; the wireless communication subsystem includes an industrial gateway and a 5G terminal, the machine tool numerical control subsystem is electrically connected with the industrial gateway, the industrial gateway is electrically connected with the 5G terminal, the 5G terminal is wirelessly connected with the remote control center, and the remote control center is connected with an alarm module.

7. The method of claim 1, wherein the step of measuring the turbine bucket slot comprises the step of: The remote control center: ​ Different sizes of the I-beam are measured by parameters, and different size measurements are realized by modifying specified parameter values; A machining zero point is set, and detection values are automatically updated to an arbitrary machining coordinate system of the machine tool according to rules; A measurement program is automatically called to detect the size of the part, and the detection of the key size is connected at an arbitrary reasonable position in the machining process, and whether the machining program, the coordinate system and the tool parameter adjustment or the program pause are automatically performed is automatically judged according to the detection value; Whether the workpiece size is out of tolerance is judged according to a preset tolerance value; when the size is out of tolerance, the program is paused, the machine tool stops detecting, and preset alarm information is displayed on the operation interface to prompt the out-of-tolerance feature position and type; A text format measurement data report is established and uploaded to a computer or stored in the machine tool; A probe calibration scheme and use instruction are provided, and calibration is quickly realized when the probe is repeatedly clamped or replaced.

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