CN207472208U - Gap measurement device between stator and rotor - Google Patents

Gap measurement device between stator and rotor Download PDF

Info

Publication number
CN207472208U
CN207472208U CN201720781244.7U CN201720781244U CN207472208U CN 207472208 U CN207472208 U CN 207472208U CN 201720781244 U CN201720781244 U CN 201720781244U CN 207472208 U CN207472208 U CN 207472208U
Authority
CN
China
Prior art keywords
stator
rotor
motor
profile scanner
adjustment mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720781244.7U
Other languages
Chinese (zh)
Inventor
万正喜
罗伟雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Machinery International Engineering Design and Research Institute Co Ltd
Original Assignee
China Machinery International Engineering Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Machinery International Engineering Design and Research Institute Co Ltd filed Critical China Machinery International Engineering Design and Research Institute Co Ltd
Priority to CN201720781244.7U priority Critical patent/CN207472208U/en
Application granted granted Critical
Publication of CN207472208U publication Critical patent/CN207472208U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Abstract

The utility model discloses gap measurement devices between a kind of stator and rotor.Gap measurement device between the stator and rotor of the utility model, non-contact type detection is carried out for the air gap between the stator and rotor to motor, it includes image collecting device, the data analysis set-up being electrically connected with image collecting device, image collecting device is used to obtain the stereoeffect information between the stator in motor and rotor, and the stereoeffect information analysis that data analysis set-up is used to be obtained according to image collecting device goes out the air gap value between stator and rotor.The utility model obtains the stereoeffect information between stator and rotor using image collecting device, and go out the air gap value between stator and rotor to the stereoeffect information analysis of acquisition using data analysis set-up, Full-automatic non-contact detection can be achieved, motor will not be caused to damage, detection efficiency is high.

Description

Gap measurement device between stator and rotor
Technical field
The utility model is related to electric machines test fields, particularly, are related to gap measurement device between a kind of stator and rotor.
Background technology
The structure that recent years, motor used for:Electric machine stand welds post-processing using steel plate, and engine base internal layer both sides are consolidated Fixed board is threaded hole, and the side and bottom surface of engine base are machined with the circular arc block identical with the electric machine iron core outer diameter for needing to match. The two sides of stator core are useful for the positioning plate being connect with engine base, have threaded hole on positioning plate.Stator core is from upper part of the frame Engine base directly is hung in, engine base side and bottom surface circular arc block just withstand the surface of the outer diameter of stator, and the positioning plate of iron core both sides is firm The good positioning plate with engine base is bolted.This electric machine stand does not need to cast, and stator core loading engine base, which uses, to be hung in, Environmental protection and energy saving, and it is easy to assembly quick.
It needs to ensure the concentricity of motor stator and rotor after such motor assembling, the air gap between stator and rotor need to expire Foot requirement.Gap between motor stator and rotor is uneven, and deviation is excessive, then electromagnetic efficiency reduces, and stator surrounding is to rotor Magnetic pull differ, rotor is caused to break mill in operation, the motor feels hot, noise is big, the vibration of expanded motor, is led under serious conditions Bearing wear is caused, motor damage influences stability and reliability that equipment is run.If it can be seen that between motor stator and rotor Air gap be unsatisfactory for requirement be easy to cause motor damage during motor use.Therefore, it is necessary to motor stator and rotor it Between air gap be detected.
Traditional detection method is feeler gauge detection method, needs to cover out in the outer of the both sides of motor using this detection method 3 holes, the hole of the end cap at both ends are corresponding and completely through if motor has dust cover, the corresponding position of dust cover also needs out Hole passes through in order to feeler gauge.It needs the feeler gauge with different sizes to detect using feeler gauge and detects.First by certain size Feeler gauge passes sequentially through outer cap bore and dust-proof cage apertures reaches in the gap between motor stator and rotor, and elasticity is inserted by feeler gauge To judge the gap between stator and rotor.Since there are 3 holes in the one end for having motor, both ends totally 6 holes need detection 6 times.It Motor stator is rotated a certain angle again afterwards and is detected again, generally requires detection 12 to 18 times even more repeatedly.
There are following deficiencies for traditional measuring method:Judged using contact and the feeling of operator, inefficiency, Repeated detection is needed, and the value detected is inaccurate.And feeler gauge is inserted between stator and rotor, may be damaged stator and be turned The insulated paint of son.It is inserted between stator and rotor for the ease of feeler gauge, the outer cover and dust cover of motor are respectively necessary for out three group (6 It is a) hole, it also needs to seal outer 6 holes covered of motor with cover board later.
Utility model content
The utility model provides gap measurement device between a kind of stator and rotor, to improve detection efficiency and quality.
The technical solution adopted in the utility model is as follows:
On the one hand, the utility model provides gap measurement device between a kind of stator and rotor, for the stator to motor Air gap between rotor carries out non-contact type detection, the number being electrically connected including image collecting device, with image collecting device According to analytical equipment, image collecting device is used to obtain the stereoeffect information between the stator in motor and rotor, data The stereoeffect information analysis that analytical equipment is used to be obtained according to image collecting device goes out the air gap between stator and rotor Value.
Further, data analysis set-up includes illustraton of model generation module and analysis computing module, illustraton of model generation module Stereoeffect information for being obtained according to image collecting device generates three of stereoeffect between stator and rotor Stereoscopic model is tieed up, analysis computing module calculates the air gap between stator and rotor in three-dimensional stereo model figure for analysis Value.
Further, image collecting device includes profile scanner and supporting mechanism, and profile scanner is used to scan stator Stereoeffect information between rotor, supporting mechanism are supported in the lower section of profile scanner, and make profile scanner Probe is to the stator ending cover hole of alignment motor.
Further, probe includes laser emitter and corresponding laser pickoff, and laser emitter is used for stator Ending cover hole emits laser signal, and laser signal passes sequentially through dust cover in stator ending cover hole, motor, stator core internal diameter and turns At sub- outer diameter, laser signal is reflected and is passed sequentially through at stator core internal diameter and rotor diameter, dust cover, stator ending cover hole into Enter laser pickoff, profile scanner is used to pass to data analysis after handling the laser signal that laser pickoff receives Device.
Optionally, profile scanner includes red laser optical system or blue laser optical system.
Optionally, supporting mechanism is included for clamping the clamping device of profile scanner, for adjustment profile scanner The adjustment mechanism of position and the mobile engine base mechanism for being used to support adjustment mechanism, adjustment mechanism are connected in engine base mechanism Side, clamping device are connected to above adjustment mechanism.
Optionally, adjustment mechanism include for adjust profile scanner horizontal position horizontal position adjustment mechanism and/ Or the height and position adjustment mechanism for adjusting the height and position of profile scanner.
Optionally, horizontal position adjustment mechanism is any one of idler wheel mobile mechanism and guide rail mobile mechanism.
Optionally, height and position adjustment mechanism is hydraulicefficiency elevation structure, air lifter, electric cylinders elevating mechanism and spiral Any one of elevating mechanism.
Another aspect according to the present utility model is additionally provided and a kind of is filled using gap measurement between above-mentioned stator and rotor The production line put, for being detected to the motor on production line, production line further includes gap measurement device between stator and rotor The data transmission device and control system being connect with data analysis set-up.Data transmission device is used to calculate data analysis set-up The air gap value deposit MES system obtained.Control system is used to judge whether motor closes according to the result of calculation of data analysis set-up Lattice, and motor is transported to by next assembly station according to judging result selection or is transported to maintenance station.
Gap measurement device between the stator and rotor of the utility model, using image collecting device obtain stator and rotor it Between stereoeffect information, and go out using data analysis set-up stator to the stereoeffect information analysis of acquisition with turning For air gap value between son, it can be achieved that Full-automatic non-contact detection, will not be caused to damage to motor, detection efficiency is high.Using this Without trepanning and filling in feeler gauge on motor when gap measurement device carries out gap measurement between the stator and rotor of utility model, Judge without operator with feeling, it can be achieved that automation and non-contact type detect so that detection process is simpler, and detected value is more Accurately.The data of detection can be stored in MES system, just by the production line using above-mentioned detection device of the utility model In preserving and tracing, while can easily judge whether motor is qualified according to the result of calculation of detection device, convenient for producing Unit subsequently rectifies and improves underproof motor.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Description of the drawings
The attached drawing for forming the part of the application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.In attached drawing In:
Fig. 1 is the schematic diagram of gap measurement device between the stator of the preferred embodiment in the utility model and rotor;
Fig. 2 is the structure diagram of the data analysis set-up of the preferred embodiment in the utility model;
Fig. 3 is the light path system schematic diagram of gap measurement device between the stator of the preferred embodiment in the utility model and rotor;
Fig. 4 is the image of the data analysis set-up of the preferred embodiment in the utility model;
Fig. 5 is the flow chart of the detection method that gap measurement device carries out between stator and rotor using the utility model;
Fig. 6 is the block schematic illustration of the production line of the preferred embodiment in the utility model.
Drawing reference numeral explanation:
1st, motor;11st, stator;12nd, rotor;13rd, stator ending cover hole;2nd, image collecting device;21st, profile scanner; 210th, probe;22nd, supporting mechanism;221st, clamping device;222nd, adjustment mechanism;223rd, engine base mechanism;3rd, data analysis set-up; 31st, illustraton of model generation module;32nd, computing module is analyzed;4th, data transmission device;5th, control system.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to Fig. 1, the preferred embodiment of the utility model provides gap measurement device between a kind of stator and rotor, is used for Air gap between the stator 11 of motor 1 and rotor 12 carries out non-contact type detection, and this detection device includes image collector The 2, data analysis set-up 3 being electrically connected with image collecting device 2 is put, image collecting device 2 is used to obtain the stator in motor 1 Stereoeffect information between 11 and rotor 12, data analysis set-up 3 are used for the space obtained according to image collecting device 2 Stereochemical structure information analysis goes out the air gap value between stator 11 and rotor 12.
Image collecting device 2 includes profile scanner 21 and supporting mechanism 22, and profile scanner 21 is used to scan stator 11 Stereoeffect information between rotor 12, supporting mechanism 22 are supported in the lower section of profile scanner 21, and sweep profile Retouch stator ending cover hole 13 of the probe 210 to alignment motor 1 of instrument 21.
With reference to Fig. 1 and Fig. 3, probe 210 includes laser emitter and corresponding laser pickoff.Optionally, profile is swept It retouches instrument 21 and includes red laser optical system or blue laser optical system.
Laser emitter is used to emit laser signal to stator ending cover hole 13, and laser signal passes sequentially through stator ending cover hole 13rd, at the dust cover (not shown) inside motor 1,11 iron core internal diameter of stator and 12 outer diameter of rotor, laser signal is by above-mentioned position It reflects and passes sequentially through at 11 iron core internal diameter of stator and 12 outer diameter of rotor, dust cover, stator ending cover hole 13 back into laser and connect Device is received, profile scanner 21 is used to pass to data analysis set-up after handling the laser signal that laser pickoff receives 3。
Optionally, supporting mechanism 22 includes clamping device 221, adjustment mechanism 222 and engine base mechanism 223, adjustment mechanism 222 223 top of engine base mechanism is connected to, clamping device 221 is connected to 222 top of adjustment mechanism.Clamping device 221 therein is used for Clamp profile scanner 21.Adjustment mechanism 222 is used for the position of adjustment profile scanner 21, including horizontal position adjustment mechanism And/or height and position adjustment mechanism, horizontal position adjustment mechanism can be one in idler wheel mobile mechanism and guide rail mobile mechanism Kind, height and position adjustment mechanism can be hydraulicefficiency elevation structure, air lifter, electric cylinders elevating mechanism and spiral lifting mechanism Any one of.In this preferred embodiment, engine base mechanism 223 is movable type, is used to support adjustment mechanism 222, and can be in water Square to movement, so as to which the horizontal position of profile scanner 21 can also be adjusted.Data analysis set-up 3 can also be positioned over engine base In mechanism 223.
With reference to Fig. 2 and Fig. 4, the data analysis set-up 3 of the utility model includes illustraton of model generation module 31 and analysis calculates Module 32.Illustraton of model generation module 31 be used for the stereoeffect information obtained according to profile scanner 21 generation stator 11 and The three-dimensional stereo model figure of stereoeffect between rotor 12.Analysis computing module 32 calculates 3 D stereo mould for analyzing The air gap value between stator 11 and rotor 12 in type figure.Specifically, data analysis set-up 3 is by analysis software and hardware group Into software can be formed by Programming with Pascal Language such as C++, VB or JAVA with the software for calculating analytic function.Hardware is by industrial computer Or the carrier of the software of industrial personal computer composition.
With reference to Fig. 5, the detection method that is carried out using gap measurement device between the stator and rotor of the utility model, including with Lower step:
Step S100 obtains the stereoeffect information between stator 11 and the rotor 12 in motor 1;
Step S200 goes out the air gap value between stator 11 and rotor 12 according to the stereoeffect information analysis of acquisition.
Specifically, in step S100, the sky between stator 11 and the rotor 12 in motor 1 is obtained through image collecting device 2 Between stereochemical structure information.In this preferred embodiment, image collecting device 2 includes profile scanner 21, and profile scanner 21 scans The stereoeffect information between stator 11 and rotor 12 in motor 1.In step S200, using data analysis set-up 3 The three-dimensional of stereoeffect between the stereoeffect information generation stator 11 and rotor 12 that are obtained according to profile scanner 21 Stereoscopic model, and analyze the air gap value calculated in three-dimensional stereo model figure between stator 11 and rotor 12.
Preferably, the probe 210 of profile scanner 21 includes laser emitter and corresponding laser pickoff.Step S100 includes the following steps:Laser emitter to stator ending cover hole 13 emit laser signal, as shown in Figure 3, laser signal according to At secondary dust cover by stator ending cover hole 13, motor 1,11 iron core internal diameter of stator and 12 outer diameter of rotor, on laser signal State that position is reflected and passed sequentially through at 11 iron core internal diameter of stator and 12 outer diameter of rotor, dust cover, stator ending cover hole 13 back into Laser pickoff, the laser signal that profile scanner 21 receives laser pickoff pass to data analysis set-up after handling 3.Illustraton of model generation module 31 (analysis software) in data analysis set-up 3 is according to the information generation three-dimensional stereo model received Figure just has three-dimensional stereo model figure such as Fig. 4 of 1 stator of motor, 11 iron core internal diameter and 12 outer diameter of rotor in software in this way.Lead to again It crosses analysis computing module 32 and the air gap value that can be obtained between stator 11 and rotor 12 is calculated to the analysis of three-dimensional stereo model figure.
In the analysis computing module 32 of data analysis set-up 3, can also design software come to three-dimensional stereo model figure into Row analysis obtains the center line of stator 11 and the center line of rotor 12, further according to the comparison of 12 center line of 11 center line of stator and rotor Analysis, to judge deviation post between stator 11 and rotor 12, so as to provide foundation to find out product quality problem.
Gap measurement device between the stator and rotor of the utility model obtains stator 11 with turning using image collecting device 2 Stereoeffect information between son 12, and the stereoeffect information analysis of acquisition is gone out using data analysis set-up 3 Air gap value between stator 11 and rotor 12 is examined especially with profile scanner 21 using contemporary optics system and means It surveys, it can be achieved that Full-automatic non-contact detection, will not cause to damage to motor 1, detection efficiency is high.The detection side of the utility model Method on motor 1 without trepanning and filling in feeler gauge, without operator with feeling to judge, detect can be achieved automation with it is contactless Formula, detection process is simpler, and detected value is more accurate.
Large and middle size motor 1 is usually nonstandard customized, and client need to first place an order, based on contract production line producer can just be made Make, the period generally at three months to half a year, if client's large and middle size motor 1 customized is using process to damage, needs to return Factory repair or again customized is returned, this uses the production of unit by seriously affecting.To solve the problems, such as this, the utility model also provides A kind of motor production line using gap measurement device between above-mentioned stator and rotor, to right in 1 production process of motor Air gap is detected and substandard product is rectified and improved and repairs between stator 11 and rotor 12.
With reference to Fig. 6, this production line includes gap measurement device between above-mentioned stator and rotor, for on production line Motor 1 is detected.Production line further includes the data transmission device 4 being connect with data analysis set-up 3 and control system 5.Data Transmitting device 4 is used for the air gap value that data analysis set-up 3 is calculated deposit MES system, and (manufacturing enterprise's production process performs System), so as to fulfill the storage to air gap value to reach tracing for product quality.Between data transmission device 4 and MES system Communication wire communication mode can be used or using wireless communication mode.Control system 5 is based on according to data analysis set-up 3 It calculates result and judges whether motor 1 is qualified, and motor 1 is transported to by next assembly station according to judging result selection or is transported to Overhaul station.Specifically, control system 5 controls the flow direction of motor 1 according to result of calculation, if result of calculation (air gap Value) it meets the requirements, this motor 1 is transported to the assembling of next assembly station progress the next step by control system 5;If it calculates As a result (air gap value) is undesirable, this motor 1 is transported to maintenance station and overhauled by control system 5.
The motor production line of the utility model, in 1 production process of motor between 1 stator 11 of motor and rotor 12 air gap into Row Full-automatic non-contact detects, if air gap value is unsatisfactory for requiring, can carry out rectification repair until meeting the requirements in production unit, The probability that motor 1 damages in use is reduced, to ensure the normal use using unit.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of gap measurement device between stator and rotor, for the gas between the stator (11) to motor (1) and rotor (12) Gap carries out non-contact type detection, which is characterized in that electrically connects including image collecting device (2), with described image harvester (2) The data analysis set-up (3) connect;Described image harvester (2) includes profile scanner (21) and supporting mechanism (22), described Profile scanner (21) is for scanning the stereoeffect information between stator (11) and rotor (12), the supporting mechanism (22) lower section of the profile scanner (21) is supported in, and the probe (210) of the profile scanner (21) is made to be directed at electricity The stator ending cover hole (13) of machine (1);The data analysis set-up (3) is for the sky that is obtained according to described image harvester (2) Between stereochemical structure information analysis go out air gap value between stator (11) and rotor (12).
2. gap measurement device between stator according to claim 1 and rotor, which is characterized in that the probe (210) Including laser emitter and corresponding laser pickoff, the laser emitter, which is used to emit to the stator ending cover hole (13), to swash Optical signal, the laser signal pass sequentially through the stator ending cover hole (13), the dust cover in motor (1), stator (11) iron core At internal diameter and rotor (12) outer diameter, the laser signal is reflected and passes sequentially through the stator (11) iron core internal diameter and rotor (12) at outer diameter, the dust cover, the stator ending cover hole (13) enter the laser pickoff, the profile scanner (21) Laser signal for being received to the laser pickoff passes to the data analysis set-up (3) after handling.
3. gap measurement device between stator according to claim 1 and rotor, which is characterized in that the profile scanner (21) including red laser optical system or blue laser optical system.
4. gap measurement device between stator according to claim 1 and rotor, which is characterized in that the supporting mechanism (22) Clamping device (221) including being used to clamp the profile scanner (21), the position for adjusting the profile scanner (21) The adjustment mechanism (222) put and the mobile engine base mechanism (223) for being used to support the adjustment mechanism (222), the adjustment Mechanism (222) is connected to above the engine base mechanism (223), and the clamping device (221) is connected to the adjustment mechanism (222) Top.
5. gap measurement device between stator according to claim 4 and rotor, which is characterized in that the adjustment mechanism (222) including being used for the horizontal position adjustment mechanism for the horizontal position for adjusting the profile scanner (21) and/or for adjusting The height and position adjustment mechanism of the height and position of the profile scanner (21).
6. gap measurement device between stator according to claim 5 and rotor, which is characterized in that the horizontal position adjustment Mechanism is any one of idler wheel mobile mechanism and guide rail mobile mechanism.
7. gap measurement device between stator according to claim 5 and rotor, which is characterized in that the height and position adjustment Mechanism is any one of hydraulicefficiency elevation structure, air lifter, electric cylinders elevating mechanism and spiral lifting mechanism.
CN201720781244.7U 2017-06-30 2017-06-30 Gap measurement device between stator and rotor Active CN207472208U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720781244.7U CN207472208U (en) 2017-06-30 2017-06-30 Gap measurement device between stator and rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720781244.7U CN207472208U (en) 2017-06-30 2017-06-30 Gap measurement device between stator and rotor

Publications (1)

Publication Number Publication Date
CN207472208U true CN207472208U (en) 2018-06-08

Family

ID=62255829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720781244.7U Active CN207472208U (en) 2017-06-30 2017-06-30 Gap measurement device between stator and rotor

Country Status (1)

Country Link
CN (1) CN207472208U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328368A (en) * 2017-06-30 2017-11-07 中机国际工程设计研究院有限责任公司 Gap measurement device and method, the production line using this device between stator and rotor
CN110623762A (en) * 2019-10-09 2019-12-31 河南拉瓦医疗技术有限公司 Implant abutment detection platform and in-place condition detection method
CN111307073A (en) * 2020-03-16 2020-06-19 湖南米艾西测控技术有限公司 Device for measuring coaxiality deviation of rotary transformer stator and rotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328368A (en) * 2017-06-30 2017-11-07 中机国际工程设计研究院有限责任公司 Gap measurement device and method, the production line using this device between stator and rotor
CN110623762A (en) * 2019-10-09 2019-12-31 河南拉瓦医疗技术有限公司 Implant abutment detection platform and in-place condition detection method
CN111307073A (en) * 2020-03-16 2020-06-19 湖南米艾西测控技术有限公司 Device for measuring coaxiality deviation of rotary transformer stator and rotor

Similar Documents

Publication Publication Date Title
CN107328368A (en) Gap measurement device and method, the production line using this device between stator and rotor
CN207472208U (en) Gap measurement device between stator and rotor
CN100510614C (en) Large-scale forging laser radar on-line tri-dimensional measuring device and method
CN102768026B (en) The equipment of the full-scale quick detection of a kind of blade
CN110007643A (en) One kind being used for switch manufacture process automation online detection instrument and method
CN111174721A (en) Hoisting mechanical structure deformation detection method based on three-dimensional laser scanning
CN106849533B (en) A kind of motor stator core outer closed assembly method and device thereof automatically
CN102589492B (en) A kind of large-scale curved flexible detection device
CN108686982A (en) A kind of detection device and detection method of wheel hub blank outer margin deformation amount
CN208555093U (en) A kind of detection device of wheel hub blank outer margin deformation amount
CN108489394A (en) A kind of large-scale sheet metal works almost T-stable automatic detection device and method
CN110260790A (en) A kind of detection device and its detection method of the punching angle steel based on 3D vision
CN202757588U (en) Disc type multi-station high precision detecting apparatus based on multi-CCD and line laser
CN111023992A (en) Line structured light-based section curve characteristic detection method and application thereof
CN208042989U (en) A kind of large-scale sheet metal works almost T-stable automatic detection device
CN213543477U (en) Power battery pole piece coating uniformity online metering test system
CN205642311U (en) Generator stator iron core straightness on -line monitoring device that hangs down
CN115564769A (en) Method for detecting motor rotor doubling defect by using deep learning
CN102829744A (en) Method for measuring circular arc end tooth
CN203163693U (en) Workpiece specification automatic detection machine
CN116399216A (en) Workpiece surface thickness measuring method
CN105698711A (en) Device and method of online monitoring verticality of generator stator core
CN214224020U (en) Pipe core straightness detection device
CN210981217U (en) Coaxiality automatic detection and correction device
CN112284251A (en) Method for precisely measuring installation of stator positioning rib of hydroelectric generating set

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant