CN107819380A - A kind of detection method of automobile generator rotor axle and its keyway symmetry - Google Patents

A kind of detection method of automobile generator rotor axle and its keyway symmetry Download PDF

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Publication number
CN107819380A
CN107819380A CN201711293034.4A CN201711293034A CN107819380A CN 107819380 A CN107819380 A CN 107819380A CN 201711293034 A CN201711293034 A CN 201711293034A CN 107819380 A CN107819380 A CN 107819380A
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China
Prior art keywords
keyway
symmetry
axle
generator rotor
axial centerline
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CN201711293034.4A
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CN107819380B (en
Inventor
孙晓帮
薛少科
常明
孙赫均
罗扬
张佳伟
苏春阳
静冰蔚
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Liaoning University of Technology
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Liaoning University of Technology
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F16C3/023—Shafts; Axles made of several parts, e.g. by welding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses a kind of automobile generator rotor axle, including：Small axle, it is cylinder, is arranged on one end of generator rotor shaft, and the outer surface of the cylinder is provided with short straight burr vertically；Clutch shaft bearing section, it is cylinder, and one end of clutch shaft bearing section is close to the small axle；The shaft shoulder, it is arranged on the one end of clutch shaft bearing section away from small axle, and the shaft shoulder is cylinder；The shaft shoulder is the largest outside diameter part of generator rotor shaft；Nut end, it is arranged on the one end of generator rotor shaft away from the small axle, and nut end end is provided with the interior hexagonal hole coaxial with generator rotor shaft；Wherein, the small axle, clutch shaft bearing section, the shaft shoulder and nut end are coaxial integrated structure, the clutch shaft bearing section is provided with symmetrical key with the shaft shoulder both sides, and the angle that symmetric points of the symmetrical key on the same face of cylinder are in circle center line connecting is 180 degree.Automobile generator rotor axle provided by the invention, overcome the defects of existing automobile generator rotor axle assembling is difficult.

Description

A kind of detection method of automobile generator rotor axle and its keyway symmetry
Technical field
The invention belongs to automobile generator rotor axle technical field, more particularly to a kind of automobile generator rotor axle and its key The detection method of groove symmetry.
Background technology
Armature spindle is the parts part such as the important component in generator, its upper mounting jaw pole, collector ring, bearing, and is passed Torque delivery.Traditional armature spindle is influenceed by structure, the assembling inconvenience with rotor, and can produce stress concentration after a long time use Phenomenon, it is deformed or even cracked, service life is low.Especially after the nut end installation clamp nut of generator rotor shaft It is not easy to remove, and cabling is inconvenient, assembling is difficult.Therefore it is very must to design a kind of automobile generator rotor axle for being easy to assemble Want.
The sub- rotor assembly that generates electricity is high-speed rotary part, and rotating excitation field is produced while moment of torsion is born.Generator amature The keyway processing of axle, it is one of core process of armature spindle processing.If armature spindle symmetry can not meet design requirement, not only The dynamic balancing of generator amature general name is influenceed, and directly affects rotor assembly assembling.Therefore, the inspection of rotor axle keyway symmetry Survey the important step as generator amature shaft detection.Therefore when processing the part, conjunction should be taken according to production scale type The detection method of reason is controlled to symmetry.
Enterprise generally all uses universal measurement method, i.e., application detection vee-block coordinates dial gauge, dial framework, passes through measurement base Quasi- conversion (endoporus is converted to cylindrical).Part is measured on 180 ° of positions are differed, part keyway is judged according to dial gauge difference of reading Symmetry error；This method has versatile but complex operation, and measurement efficiency is low.
Therefore, a kind of whether qualified side of the higher and can quick detection generator amature axle keyway symmetry of accuracy is invented Method is very necessary.
The content of the invention
The defects of it is an object of the invention to overcome existing automobile generator rotor axle assembling difficult, there is provided Yi Zhongyi In the automobile generator rotor axle of assembling.
Another object of the present invention is to overcome that existing automobile generator rotor axle keyway symmetry detection error is big, efficiency A kind of the defects of low, there is provided the whether qualified side of higher and can quick detection generator amature axle keyway symmetry of accuracy Method.
Technical scheme provided by the invention is：
A kind of automobile generator rotor axle, including：
Small axle, it is cylinder, is arranged on one end of generator rotor shaft, and the outer surface of the cylinder is provided with vertically Short straight burr；
Clutch shaft bearing section, it is cylinder, and one end of clutch shaft bearing section is close to the small axle；
The shaft shoulder, it is arranged on the one end of clutch shaft bearing section away from the small axle, and the shaft shoulder is cylinder；The shaft shoulder is The largest outside diameter part of generator rotor shaft；
Nut end, it is arranged on the one end of generator rotor shaft away from the small axle, and the nut end end is provided with and hair The coaxial interior hexagonal hole of rotor axis of electric；
Wherein, the small axle, clutch shaft bearing section, the shaft shoulder and nut end are coaxial integrated structure, the clutch shaft bearing Section is provided with symmetrical key vertically with the shaft shoulder both sides, and symmetric points of the symmetrical key on the same face of cylinder connect with the center of circle The angle that line is in is 180 degree.
Preferably, the generator rotor shaft also includes pawl pole end, and it is cylinder, and pawl pole end is co-axially located at described The one end of the shaft shoulder away from clutch shaft bearing section, pawl pole end outer surface are provided with long straight burr vertically.
Preferably, the keyway includes the flat segments being opened in clutch shaft bearing section and the cambered surface being opened in the shaft shoulder Section, and the flat segments are to seamlessly transit with the side plate bending junction.
Preferably, the side plate bending extends to the pawl pole section.
Preferably, the short straight burr of the small axle outer surface is the short straight burr of triangular tooth, and its profile angle is 70 °~85 °.
Preferably, the long straight burr of the pawl pole section outer surface is the long straight burr of triangular tooth, its profile angle is 75 °~ 90°。
A kind of detection method of automobile generator rotor axle keyway symmetry, comprises the following steps：
Using keyway detection means, generator amature axle keyway symmetry row is detected using fuzzy control method：Respectively The keyways of keyway detection means both sides is examined to the relative distance of muscle axial centerline keyway axial centerline corresponding thereto, Yi Jijian Groove symmetry is converted to the quantification gradation in fuzzy domain；
By the keyways of the detection means both sides examine muscle axial centerline corresponding thereto keyway axial centerline it is relative away from From input fuzzy control model, the relative distance of side is divided into 5 grades, and the relative distance of opposite side is divided into 5 Grade；
Fuzzy control model output is symmetry, and the symmetry is divided into 5 grades.
Preferably, the domain of the side relative distance is { 0,4 }, and the domain domain of the opposite side relative distance is { 0,4 }, the domain of the symmetry is { 0,1 }, and the threshold value is 0.51.
Preferably, the side relative distance is divided into 5 grades, and fuzzy set is { N, NM, M, ML, L }；Opposite side is relative Distance is divided into 5 grades, and fuzzy set is { L, LM, M, MH, H }；The symmetry is divided into 5 grades, fuzzy set for S, SM, M, MB, B }；Membership function selects trapezoidal membership function.
Preferably, the rule is controlled to be in the fuzzy control model：
If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " N ", separately Side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " L ", then keyway symmetry It is good for " B ", i.e. keyway symmetry；
If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " L ", separately Side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " H ", then keyway symmetry For " S ", i.e., keyway symmetry is bad；
If symmetry is " S or SM ", the generator amature axle keyway symmetry are bad；If symmetry for " B or MB ", the generator amature axle keyway symmetry are good；If symmetry is " M ", i.e.,：The symmetry is symmetry threshold value, such a feelings Condition, if keyway process varies slightly, it is good with the switching of bad both of these case that symmetry will necessarily be formed.
The beneficial effects of the invention are as follows：Automobile generator rotor axle provided by the invention, provided with cabling keyway, is easy to current collection Ring installs cabling；Interior hexagonal hole is provided with nut end, reaction torque is provided using inner hexagon spanner, is easy to the dismounting of clamp nut.
The detection method of automobile generator rotor axle keyway symmetry provided by the invention, can accurately and fast be detected Whether generator amature axle keyway symmetry is qualified, overcomes existing automobile generator rotor axle keyway symmetry detection error Greatly, the defects of efficiency is low.
Brief description of the drawings
Fig. 1 is automobile generator rotor axle general structure schematic diagram of the present invention.
Fig. 2 is the top partial view diagram of automobile generator rotor axle of the present invention.
Fig. 3 is the nut end-view of automobile generator rotor axle of the present invention.
Fig. 4 is keyway detection means of the present invention and automobile generator rotor axle cooperation schematic diagram.
Fig. 5 is keyway detection means diagrammatic cross-section of the present invention.
Fig. 6 is LD of the present invention1(LD2) membership function figure.
Fig. 7 is DC membership functions figure of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
As Figure 1-3, the invention provides a kind of automobile generator rotor axle.The automobile generator rotor axle is real Mandrel, it includes small axle 110, clutch shaft bearing section 120, the shaft shoulder 130, pawl pole section 140, second bearing successively from one end to the other end Section 150 and nut end 160, and small axle 110, clutch shaft bearing section 120, the shaft shoulder 130, pawl pole section 140, second bearing section 150 and spiral shell Female end 160 is coaxial clyinder, and the end of nut end 160 is provided with the interior hexagonal hole 161 coaxial with the generator rotor shaft, spiral shell The outside of female end 160 installation clamp nut.The outer surface of small axle 110 is provided with the short straight burr of triangular tooth vertically；The short straight burr Profile angle is 70 °~85 °；The small end of axle 110 is provided with internal thread hole 111.On the generator rotor shaft, outside the shaft shoulder 130 Footpath is maximum, and axially position effect has been installed to the generator rotor shaft pawl pole.The clutch shaft bearing section 120 with the shaft shoulder 130 junctions are provided with escape 121, to facilitate cutter to exit.
The clutch shaft bearing section 120 is provided with symmetrical key 180, the symmetrical key vertically with the both sides of the shaft shoulder 130 The angle that symmetric points on the same face of cylinder are in circle center line connecting is 180 degree.The keyway 180 includes being opened in first axle Hold the flat segments 181 in section 120 and the side plate bending 182 being opened in the shaft shoulder, and the flat segments 181 and the side plate bending 182 To seamlessly transit, the cambered surface 182 extends to the pawl pole section 140 for junction.Pawl pole section 140 is used to install pawl pole, pawl pole section 140 outer surfaces are provided with the long straight burr of triangular tooth vertically, and the profile angle of the long straight burr is 75 °~90 °, and pawl pole section 140 passes through Heat treatment makes it possess cutting power, when pawl pole is assembled with the shaft part, by long straight burr to pawl with certain intensity, hardness The scraping action of pole endoporus and interference fit, pawl pole is set to bear high torque on the circumferencial direction of armature spindle.
Two collector rings are mounted side by side in the small outside of axle 110 in the axial direction, and small axle 110 is by being heat-treated with necessarily strong Degree, hardness, when collector ring assembles with small axle 110, by scraping action of the short straight burr to collector ring endoporus and interference fit, make collection Electric ring can bear certain moment of torsion on the circumferencial direction of armature spindle；Two collector rings, two end line phases with winding in pawl pole respectively Even, generator rotor shaft both sides keyway 180 is two end line cabling channels, and the setting of keyway 180 makes cabling regular, and is advantageous to protect Current collection loop wire.Clutch shaft bearing section 120, bearing is installed；Bearing and belt pulley are installed on second bearing end 150.In generator amature Axle nut end 160 sets interior hexagonal hole 161, can facilitate the installation of clamp nut.Using between inner hexagon spanner and interior hexagonal hole 161 Gap coordinates, and makes more to facilitate during installing/dismounting nut.
As illustrated in figures 4-5, keyway detection means of the present invention includes：Small axle positioning tube 210, it is cylinder, described The small axle accommodating chamber 211 of cylinder is coaxially provided with inside cylinder, the small axle accommodating chamber has both ends open, and the small axle is determined The position small gap of axle 110 of cylinder 210 and generator rotor shaft coordinates, make the small axle 110 of generator rotor shaft can extend into or exit it is described Small axle accommodating chamber 211；Shaft shoulder locating ring 220, it is circular cylinder, the shaft shoulder locating ring 220 and generator rotor shaft The outer wall gap of the shaft shoulder 130 coordinates.
Keyway examines muscle 230, and its one end is fixedly connected on the end face of the small axle positioning tube 210, and the other end, which is fixed, to be connected It is connected on the inwall of the shaft shoulder locating ring 220；Two keyways examine muscle 230 and the small diameter parallel of axle positioning tube 210, and press and be somebody's turn to do Axis radial direction 180 degree is arranged symmetrically.It is vertical bar shape that the keyway, which examines the connecting portion of muscle 230 and the small axle positioning tube 210, Lateral surface is partial cylindrical surface, and medial surface is plane, and both sides are plane.The diameter parallel of the vertical bar and small axle positioning tube 210, It is in circular arc strip that keyway, which examines muscle 230 and shoulder axle locating ring internal connection, is seamlessly transitted between vertical bar and the circular arc bar. Keyway examines muscle 230 to coordinate with the gap of generator amature shaft key groove 180.
The detection method of automobile generator rotor axle keyway symmetry provided by the invention, comprises the following steps：
Using keyway detection means, generator amature axle keyway symmetry row is detected using fuzzy control method：Small axle The 110 small axle positioning chambers 211 of insertion, control the axis of small axle positioning chamber 211 to be overlapped with the axis of small axle 110, muscle is examined in side The distance of the keyway side of one side corresponding theretoWherein, d1For width of keyway, d1Examined for keyway The width of muscle.Small axle positioning tube 210 connects keyway and examines the end face 212 of muscle 230 to be resisted against the clutch shaft bearing of generator rotor shaft On the end face 121 of section 120.Using laser spotter, difference collecting and detecting device both sides keyway examines muscle axial centerline and its phase The relative distance of corresponding shaft with key way to the midline.
The keyways of the detection means both sides is examined to the phase of muscle axial centerline keyway axial centerline corresponding thereto respectively Adjust the distance, and keyway symmetry is converted to the quantification gradation in fuzzy domain；The keyway of the detection means both sides is examined Muscle axial centerline corresponding thereto keyway axial centerline relative distance input fuzzy control model, the relative distance of side It is divided into 5 grades, the relative distance of opposite side is divided into 5 grades；Fuzzy control model output is symmetry, will be described right Title degree is divided into 5 grades.
Fuzzy control model examines the relative of muscle axial centerline keyway axial centerline corresponding thereto with both sides keyway respectively Distance (LD1) and (LD2) it is input variable, with symmetry (DC) for output variable；If symmetry reaches given threshold, judge It is qualified for symmetry；Threshold value is 0.51 in the present embodiment.
Input variable LD1With LD2Domain is { 0,1.8,2.15,2.5,2.85,3.2,4 }, and output variable DC domains are {0,0.2,0.35,0.5,0.65,0.8,1}；Input variable LD1Fuzzy language collection be：N (small), NM (smaller), M (in Deng), ML (larger), L (big), input variable LD2Fuzzy language collection be：L (small), LM (smaller), M (medium), MH (larger), H (big), output variable DC fuzzy language collection is：S (poor), SM (poor), M (medium), MB (preferable), B (good)；LD1With LD2 Quantizing factor be respectively αld1=1.0, αld2=1.0.LD1With LD2Membership function using trapezoidal membership function (such as Fig. 6 institutes Show)；DC membership function also uses trapezoidal membership function (as shown in Figure 7).
As shown in table 1, the fuzzy control rule of keyway symmetry detection fuzzy logic control model is given, i.e.,：Use mould Paste language describes controller input variable (LD1With LD2) relation between output variable (DC).
The fuzzy control rule of table 1
If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " N (small) ", opposite side keyway examine the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " L (small) ", then Keyway symmetry is " B (good) ", i.e., keyway symmetry is good.
If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " L (big) ", opposite side keyway examine the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " H (big) ", then Keyway symmetry is " S (poor) ", i.e., keyway symmetry is bad.
If symmetry is " S (poor) or smaller SM (poor) ", generator amature axle keyway symmetry is bad (does not conform to for this Lattice)；If symmetry is " B (good) or MB (preferable) ", the generator amature axle keyway symmetry is good (qualified)；If symmetry For " M (medium) ", i.e.,：The symmetry is symmetry threshold value, and such a situation is inevitable if keyway process varies slightly It is good with the switching of bad both of these case that symmetry can be formed.
In summary, automobile generator rotor axle provided by the invention, provided with cabling keyway, it is easy to collector ring cabling to pacify Dress；Interior hexagonal hole is provided with nut end, is easy to the dismounting of clamp nut.
The detection method of automobile generator rotor axle keyway symmetry provided by the invention, can accurately and fast be detected Whether generator amature axle keyway symmetry is qualified, overcomes existing automobile generator rotor axle keyway symmetry detection error Greatly, the defects of efficiency is low.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited In specific details and shown here as the legend with description.

Claims (10)

  1. A kind of 1. automobile generator rotor axle, it is characterised in that including：
    Small axle, it is cylinder, is arranged on one end of generator rotor shaft, the outer surface of the cylinder is vertically provided with short straight Line；
    Clutch shaft bearing section, it is cylinder, and one end of clutch shaft bearing section is close to the small axle；
    The shaft shoulder, it is arranged on the one end of clutch shaft bearing section away from the small axle, and the shaft shoulder is cylinder；The shaft shoulder is generating The largest outside diameter part of machine rotor axle；
    Nut end, it is arranged on the one end of generator rotor shaft away from the small axle, and the nut end end is provided with and generator The coaxial interior hexagonal hole of armature spindle；
    Wherein, the small axle, clutch shaft bearing section, the shaft shoulder and nut end are coaxial integrated structure, the clutch shaft bearing section with The shaft shoulder both sides are provided with symmetrical key, symmetric points of the symmetrical key on the same face of cylinder and circle center line connecting institute vertically The angle for being in is 180 degree.
  2. 2. automobile generator rotor axle according to claim 1, it is characterised in that also including pawl pole end, it is cylinder, Pawl pole end is co-axially located at the one end of the shaft shoulder away from clutch shaft bearing section, and pawl pole end outer surface is provided with long straight vertically Line.
  3. 3. automobile generator rotor axle according to claim 2, it is characterised in that the keyway includes being opened in first axle The flat segments in section and the side plate bending being opened in the shaft shoulder are held, and the flat segments are smoothed with the side plate bending junction Cross.
  4. 4. automobile generator rotor axle according to claim 3, it is characterised in that the side plate bending extends to the pawl pole Section.
  5. 5. automobile generator rotor axle according to claim 1, it is characterised in that the short straight burr of the small axle outer surface is The short straight burr of triangular tooth, its profile angle are 70 °~85 °.
  6. 6. automobile generator rotor axle according to claim 3, it is characterised in that the long straight burr of the pawl pole section outer surface For the long straight burr of triangular tooth, its profile angle is 75 °~90 °.
  7. 7. a kind of detection method of automobile generator rotor axle keyway symmetry, it is characterised in that comprise the following steps：
    Using keyway detection means, generator amature axle keyway symmetry is detected using fuzzy control method：Respectively will The keyways of keyway detection means both sides examines the relative distance of muscle axial centerline keyway axial centerline corresponding thereto, and keyway Symmetry is converted to the quantification gradation in fuzzy domain；
    Relative distance that the keyways of the detection means both sides examines muscle axial centerline keyway axial centerline corresponding thereto is defeated Enter fuzzy control model, the relative distance of side is divided into 5 grades, and the relative distance of opposite side is divided into 5 grades；
    Fuzzy control model output is symmetry, and the symmetry is divided into 5 grades.
  8. 8. the detection method of automobile generator rotor axle keyway symmetry according to claim 7, it is characterised in that described The domain of side relative distance is { 0,4 }, and the domain domain of the opposite side relative distance is { 0,4 }, the opinion of the symmetry Domain is { 0,1 }, threshold value 0.51.
  9. 9. the detection method of automobile generator rotor axle keyway symmetry according to claim 8, it is characterised in that described Side relative distance is divided into 5 grades, and fuzzy set is { N, NM, M, ML, L }；Opposite side relative distance is divided into 5 grades, obscures Collect for { L, LM, M, MH, H }；The symmetry is divided into 5 grades, and fuzzy set is { S, SM, M, MB, B }；Membership function is selected Trapezoidal membership function.
  10. 10. the detection method of automobile generator rotor axle keyway symmetry according to claim 9, it is characterised in that institute The rule that controls for stating fuzzy control model is：
    If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " N ", opposite side Keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " L ", then keyway symmetry is " B ", I.e. keyway symmetry is good；
    If side keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto1For " L ", opposite side Keyway examines the relative distance LD of muscle axial centerline keyway axial centerline corresponding thereto2For " H ", then keyway symmetry is " S ", I.e. keyway symmetry is bad；
    If symmetry is " S or SM ", the generator amature axle keyway symmetry are bad；If symmetry is " B or MB ", should Generator amature axle keyway symmetry is good；If symmetry is " M ", i.e.,：The symmetry is symmetry threshold value, such a situation, such as Fruit keyway process varies slightly, then it is good with the switching of bad both of these case will necessarily to form symmetry.
CN201711293034.4A 2017-12-08 2017-12-08 Automobile generator rotor shaft and detection method for key slot symmetry degree thereof Active CN107819380B (en)

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Application Number Priority Date Filing Date Title
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CN107819380B CN107819380B (en) 2023-12-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357647A (en) * 2018-09-29 2019-02-19 观为监测技术无锡股份有限公司 A kind of wind power equipment positioning monitoring system and method
WO2022057623A1 (en) * 2020-09-21 2022-03-24 台州市东部数控设备有限公司 Measurement device for dimensions of vehicle generator rotor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246705A (en) * 2016-07-26 2016-12-21 广州市锐美汽车零部件有限公司 A kind of electric motor of automobile rotating shaft and processing method thereof
CN107366676A (en) * 2017-08-21 2017-11-21 苏州威富达精密机械制造有限公司 A kind of slender type armature spindle
CN207518423U (en) * 2017-12-08 2018-06-19 锦州万友机械部件有限公司 A kind of automobile generator rotor axis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246705A (en) * 2016-07-26 2016-12-21 广州市锐美汽车零部件有限公司 A kind of electric motor of automobile rotating shaft and processing method thereof
CN107366676A (en) * 2017-08-21 2017-11-21 苏州威富达精密机械制造有限公司 A kind of slender type armature spindle
CN207518423U (en) * 2017-12-08 2018-06-19 锦州万友机械部件有限公司 A kind of automobile generator rotor axis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357647A (en) * 2018-09-29 2019-02-19 观为监测技术无锡股份有限公司 A kind of wind power equipment positioning monitoring system and method
CN109357647B (en) * 2018-09-29 2024-05-24 观为监测技术无锡股份有限公司 Wind power equipment positioning monitoring system and method
WO2022057623A1 (en) * 2020-09-21 2022-03-24 台州市东部数控设备有限公司 Measurement device for dimensions of vehicle generator rotor

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