CN111854607A - Motor rotor disc runout detection device - Google Patents
Motor rotor disc runout detection device Download PDFInfo
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- CN111854607A CN111854607A CN202010795482.XA CN202010795482A CN111854607A CN 111854607 A CN111854607 A CN 111854607A CN 202010795482 A CN202010795482 A CN 202010795482A CN 111854607 A CN111854607 A CN 111854607A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention discloses a motor rotor circular runout detection device, which comprises a fixing module and a detection module, wherein the fixing module is used for clamping and driving a motor rotor to rotate around a central shaft; the detection module comprises a switching lever and a laser displacement sensor, wherein the switching lever is used for being in rigid contact with a circular surface of the motor rotor and converting the circular surface jumping into linear displacement, and the laser displacement sensor is used for detecting the linear displacement. Thereby above-mentioned electric motor rotor disc detection device beats and turns into linear displacement through the disc with electric motor rotor and realize detecting, has the characteristics that detection precision is high and detection efficiency is high, and then solves the too big serious operating efficiency and the life's of reducing the motor of circle run-out error problem.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous motor detection, in particular to a motor rotor circular runout detection device.
Background
The motor rotor is used as a precise part, and the operation efficiency and the service life of the motor are seriously reduced due to overlarge circle run-out error in the high-speed rotation process of the motor rotor.
Before the whole motor is assembled, the rotor of the permanent magnet synchronous motor is required to be subjected to overspeed testing, and after the overspeed testing is finished, the excircle of the magnetic steel sleeve, the excircle of the bearing end of the motor and the excircle of the extension end are subjected to circular face jumping detection to detect whether the motor rotor is loosened mechanically or deformed permanently in the assembling and overspeed testing processes, so that whether the circular face jumping error is within the design range is judged. The existing manual detection and detection device has the problems of low detection precision and low detection efficiency.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a motor rotor circular runout detection apparatus capable of improving detection accuracy and detection efficiency of circular runout detection.
Disclosure of Invention
The invention aims to provide a motor rotor circular runout detection device, which realizes detection by converting the circular runout of a motor rotor into linear displacement, has the characteristics of high detection precision and high detection efficiency, and further solves the problems of seriously reducing the operation efficiency and the service life of a motor due to overlarge circular runout error.
In order to achieve the purpose, the invention provides a motor rotor circular runout detection device, which comprises a fixing module and a detection module, wherein the fixing module is used for clamping and driving a motor rotor to rotate around a central shaft; the detection module comprises a switching lever and a laser displacement sensor, wherein the switching lever is used for being in rigid contact with a circular surface of the motor rotor and converting the circular surface jumping into linear displacement, and the laser displacement sensor is used for detecting the linear displacement.
Preferably, the fixed module comprises a main centre mechanism and a rotating centre mechanism which have adjustable intervals and can be used for driving the motor rotor to rotate around the central shaft.
Preferably, the main centre mechanism comprises a main centre bearing seat, the main centre bearing seat is provided with a first servo motor and a rotatable rotating centre, and the rotating centre is connected with the first servo motor through a coupler.
Preferably, the centre revolving mechanism comprises a centre revolving bearing seat, a centre revolving which is coaxial with the rotating centre and can rotate is arranged on the centre revolving bearing seat, and the bottom of the centre revolving mechanism is connected with the linear slide rail in a sliding mode through a second slide block module.
Preferably, the centre of circling round mechanism still includes the tight cylinder in top of locating linear slide rail one side, the tight cylinder in top links to each other with centre of circling round bearing frame in order to realize driving centre of circling round bearing frame motion.
Preferably, the rotary centre bearing seat is provided with a proximity switch, and one side of the jacking cylinder is provided with a first cable protection nylon tow chain which is used for a cable to penetrate through and can be curled so as to move along with the rotary centre bearing seat.
Preferably, the switching lever belongs to and beats and detects the frock, it is used for locating the electric motor rotor downside to beat and detects the frock, it still includes the frock support to beat to detect the frock, the frock support is equipped with the locating piece, the switching lever with the frock support rotates to be connected.
Preferably, the first end of the transfer lever is heavier than the second end, and the second end is provided with a contact which is used for being in rigid contact with the motor rotor and has lower material hardness than the motor rotor.
Preferably, the laser displacement sensor belongs to a miniature linear module, and the miniature linear module further comprises a driving component for driving the laser displacement sensor to move.
Preferably, the drive assembly includes U type support, U type support is equipped with ball and second servo motor, ball is used for promoting laser displacement sensor, second servo motor is used for driving ball, thereby U type support one side is equipped with and is used for that the cable wears to establish and can curl along with the nylon tow chain is protected to the second cable that laser displacement sensor moves together.
Compared with the prior art, the motor rotor circular runout detection device provided by the invention comprises a fixing module and a detection module, wherein the fixing module is used for clamping and driving a motor rotor to rotate around a central shaft, the detection module is used for detecting the circular runout of the motor rotor, the detection module comprises a switching lever and a laser displacement sensor, the switching lever is used for being in rigid contact with the circular runout of the motor rotor and converting the circular runout of the motor rotor into linear displacement, and the laser displacement sensor is used for detecting the linear displacement; this electric motor rotor disc detection device that beats is through fixed module in order to realize electric motor rotor's fixed and motion, the detection of the disc beating through detection module in order to realize electric motor rotor, in real-time testing process, turn into linear displacement through the switching lever in order to realize with electric motor rotor's disc beating, detect through laser displacement sensor in order to realize linear displacement, and then through detecting linear displacement and pushing back again and obtaining electric motor rotor's disc beating, compare in current artifical detection and detection device, have the characteristics that the detection precision is high and detection efficiency is high, and then solve the problem of the too big serious operating efficiency and the life that reduces the motor of circle beating error.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor rotor circular runout detection apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of the primary pointing mechanism of FIG. 1;
fig. 3 is a schematic structural view of the swivel center mechanism of fig. 1;
FIG. 4 is a schematic structural diagram of the micro linear module shown in FIG. 1;
fig. 5 is a schematic structural diagram of the bounce detection tool in fig. 1.
Wherein:
1-motor rotor, 2-main centre mechanism, 3-working platform, 4-rotating centre mechanism, 5-miniature linear module, 6-jump detection tool, 21-first servo motor, 22-coupler, 23-main centre bearing seat, 24-rotating centre, 25-first slide block module, 26-first L-shaped support, 41-centre cylinder, 42-linear slide rail, 43-rotating centre bearing seat, 44-rotating centre, 45-second slide block module, 46-adapter block, 47-second L-shaped support, 48-first cable protection nylon drag chain, 49-proximity switch, 51-laser displacement sensor, 52-sensor mounting rack, 53-cable fixing support, 54-second cable protection nylon drag chain, The robot comprises a 55-U-shaped support, a 56-ball screw, a 57-second servo motor, a 58-L-shaped mounting rack, a 61-positioning block, a 62-ruby contact, a 63-switching lever, a 64-lever rotating shaft and a 65-tool support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, in which fig. 1 is a schematic structural view of a circular runout detection device for a motor rotor according to an embodiment of the present invention, fig. 2 is a schematic structural view of a main center mechanism in fig. 1, fig. 3 is a schematic structural view of a revolving center mechanism in fig. 1, fig. 4 is a schematic structural view of a micro linear module in fig. 1, and fig. 5 is a schematic structural view of a runout detection tool in fig. 1.
In a first specific embodiment, the device for detecting circular runout of a motor rotor provided by the invention comprises a fixing module and a detecting module, wherein the fixing module is used for clamping and fixing the motor rotor 1 and realizing rotation around a central shaft under the driving of the fixing module, and the detecting module is used for detecting circular runout of the motor rotor 1 in the rotation process of the motor rotor 1. The detection module comprises a switching lever 63 and a laser displacement sensor 51, one end of the switching lever 63 is in rigid contact with the circular surface of the motor rotor 1, and the laser displacement sensor 51 is aligned with the switching lever 63; in the actual detection process, the circular surface of the rotating motor rotor 1 jumps, the switching lever 63 which is in rigid contact with the circular surface of the motor rotor 1 moves synchronously in real time, the circular surface of the motor rotor 1 jumps and is converted into linear displacement of the switching lever 63 through the switching lever 63, and then the linear displacement of the switching lever 63 is detected through the laser displacement sensor 51, so that the circular surface of the motor rotor 1 jumps.
In this embodiment, switching lever 63's conversion efficiency is high, the precision is high, and laser displacement sensor 51's detection efficiency is high, the precision is high, compares in current artifical detection and detection device, and this electric motor rotor disc runout detection device has the characteristics that the detection precision is high and detection efficiency is high, and then solves the too big serious operating efficiency and the life's that reduces the motor of circle runout error problem.
It should be noted that, in this embodiment, the core improvement point is the specific arrangement manner of the detection module, and as for the fixed module and other structures, reference may be made to the prior art, which is not described herein again.
In a specific embodiment, the fixing module comprises a main center mechanism 2 and a revolving center mechanism 4 which are respectively abutted against two ends of the motor rotor 1 to fix and drive the motor rotor 1 to rotate around a central shaft, and in order to meet the requirements of application conditions of motor rotors 1 of different specifications, the distance between the main center mechanism 2 and the revolving center mechanism 4 is adjustable.
In this embodiment, the fixing module and the detecting module are arranged on the working platform 3, the motor rotor 1 is clamped and fixed between the main centre mechanism 2 and the revolving centre mechanism 4 of the fixing module, and the working platform 3 can be provided with a track for the main centre mechanism 2 and/or the revolving centre mechanism 4 to slide, so that the technical effect of adjustable distance between the two is achieved.
Specifically, main top mechanism 2 includes main tight bearing frame 23 that pushes up, and main tight bearing frame 23 that pushes up is equipped with first servo motor 21 and rotatable centre of rotation 24, and centre of rotation 24 passes through shaft coupling 22 and links to each other with first servo motor 21, and the bottom of main tight bearing frame 23 that pushes up is optional is equipped with first slider module 25, and main tight bearing frame 23 that pushes up passes through first slider module 25 and linear slide rail 42 sliding connection.
Besides, the revolving center mechanism 4 comprises a revolving center bearing seat 43, the revolving center bearing seat 43 is provided with a revolving center 44 which is coaxial with the rotating center 24 and can rotate, the bottom of the revolving center mechanism 4 is optionally provided with a second sliding block module 45, and the revolving center mechanism 4 is in sliding connection with the linear sliding rail 42 through the second sliding block module 45.
Illustratively, the primary tip mechanism 2 in the stationary module remains stationary and the revolving tip mechanism 4 is slidable along a rail relative to the primary tip mechanism 2.
Specifically, the revolving centre mechanism 4 further comprises a jacking cylinder 41 arranged on one side of the linear slide rail 42, and the jacking cylinder 41 is connected with the revolving centre bearing seat 43 to drive the revolving centre bearing seat 43 to move.
More specifically, the main ejection mechanism 2 further includes a coupler 22 and a first L-shaped bracket 26, the main ejection bearing support 23 is mounted on a first slider module 25, the first slider module 25 has four sliders slidably connected to the linear slide rail 42, the four sliders are arranged on the left and right slide rails of the linear slide rail 42 in pairs, and the main ejection bearing support 23 and the first slider module 25 are fixed by screws; the lower end of the main jacking bearing block 23 and the first L-shaped bracket 26 are positioned and fastened by screws, and the first L-shaped bracket 26 is fixed on the working platform 3 by bolts; the rotating centre 24 is arranged on the main jacking bearing seat 23, the rotating centre 24 is coaxially connected with the first servo motor 21 through the coupler 22 and is fastened by adopting a screw hoop, and the first servo motor 21 is arranged on the first L-shaped support 26 through a screw.
In addition, in order to avoid that the magnetic attraction force of the rotor of the permanent magnet influences the positioning and the rotation of the motor rotor 1, the rotating center 24 and the rotating center 44 are made of paramagnetic materials.
For better technical effect and improvement of the movement precision of the revolving centre mechanism 4, the revolving centre bearing seat 43 is provided with a proximity switch 49, one side of the jacking cylinder 41 is provided with a first cable protection nylon tow chain 48 which is used for a cable to penetrate and can be curled so as to move along with the revolving centre bearing seat 43, and the first cable protection nylon tow chain 48 can not obstruct the movement of the cable when protecting the cable.
More specifically, the rotating center mechanism 4 further comprises a transfer block 46 and a second L-shaped bracket 47, the linear slide rail 42 is mounted on the working platform 3 through a screw, two ends of the jacking cylinder 41 are mounted on the second L-shaped bracket 47 in a nut clamping manner, and the second L-shaped bracket 47 is fixed on the working platform 3 through a screw; the rotating center bearing seat 43 is mounted on the linear slide rail 42 through a second slide block module 45 and connected by screws, and the second slide block module 45 comprises four slide blocks in sliding connection with the linear slide rail 42; the shaft extension tail end of the jacking cylinder 41 is fixed with the adapter block 46 by bolts, the adapter block 46 is connected with the rotary centre bearing seat 43 by bolts, and the jacking cylinder 41 can control the push rod to stretch under the drive of gas in the cylinder, so that the rotary centre bearing seat 43 is driven to move left and right; the revolving centre 44 is arranged on the mounting shaft of the revolving centre bearing seat 43 and is fastened by adopting a screw, and the revolving centre 44 is used as a driven following revolving centre 24 to drive the motor rotor 1 to rotate and move; the proximity switch 49 is fixed to the pivot bearing mount 43 with screws.
In addition, in order to ensure the sliding effect of the revolving tip bearing seat 43 on the linear slide rail 42, a U-shaped slide rail guide groove is adopted between the slide block and the linear slide rail 42, and lubricating grease is coated on the U-shaped slide rail guide groove.
In this embodiment, the motor rotor 1 is a permanent magnet synchronous motor rotor, and the motor rotor circular runout detection device is specifically a detection device for the circular runout of the permanent magnet synchronous motor rotor, and is suitable for detecting the circular runout of the permanent magnet rotor with a magnetic steel surface-mounted structure.
In a specific embodiment, the switching lever 63 belongs to a jump detection tool 6, the jump detection tool 6 is arranged on the lower side of the motor rotor 1, the jump detection tool 6 further comprises a tool support 65, a positioning block 61 is arranged on the tool support 65, and the switching lever 63 is rotatably connected with the tool support 65; the positioning block 61 is used for placing the motor rotor 1 to be detected, the number of the switching levers 63 is multiple, the switching levers correspond to different circular surfaces of the motor rotor 1 respectively, the switching levers 63 are in rigid contact with the circular surfaces of the motor rotor 1, the switching levers are made of non-metal materials with hardness lower than that of the motor rotor 1, the motor rotor 1 is prevented from being scratched in the rotating process, and in addition, jumping errors of the circular surfaces of the motor rotor 1 in the rotating process are converted into linear displacement detected by the laser displacement sensor 51 through the switching levers 63; the main centre mechanism 2 and the centre mechanism 4 that circles round are used for the tight and location in top of electric motor rotor 1 to rotate along with servo motor and drive the rotor at a slow speed rotatory in the test process, in addition, the centre of the tight mechanism in top is a little higher than electric motor rotor 1 central height, breaks away from between electric motor rotor 1 and the locating piece 61 after guaranteeing to push up tightly.
In this embodiment, the motor rotor 1 has at least four test surfaces of a rotation speed sensor mounting excircle, a bearing excircle, a magnetic steel sleeve excircle and a connecting shaft excircle.
In addition, the first end of the transfer lever 63 is heavier than the second end, and the second end is provided with a contact which is used for being in rigid contact with the motor rotor 1 and has lower material hardness than the motor rotor 1.
More specifically, the bounce detection tool 6 further comprises a lever rotating shaft 64 and a ruby contact 62 when the contact adopts ruby, the tool support 65 is fixed on the working platform 3 through screws, a groove is designed below the corresponding circular surface of the tool support 65 designed according to the appearance of the motor rotor 1, the switching lever 63 is installed in the groove and assembled with the lever rotating shaft 64 through a hole, and the switching lever 63 and the lever rotating shaft 64 can rotate and are coated with lubricating grease to reduce friction; the ruby contact 62 is installed at the switching end of the switching lever 63, the ruby contact 62 is in circular surface contact with the motor rotor 1, the hardness of the nonmetal ruby contact 62 is lower than that of the motor rotor 1, the motor rotor 1 cannot be scratched, the weight of the other end of the switching lever 63 is slightly larger than that of the switching end, the ruby contact 62 can be slightly contacted with the motor rotor 1 by means of the lever principle, and the positioning block 61 is fixed on the tool support 65 through screws.
In another specific embodiment, the laser displacement sensor 51 belongs to the micro linear module 5, the micro linear module 5 further comprises a driving component, the high-precision laser displacement sensor 51 is installed on the driving component of the micro linear module 5, and the micro linear module 5 drives the laser displacement sensor 51 to move.
Specifically, the driving assembly comprises a U-shaped bracket 55, the U-shaped bracket 55 is provided with a ball screw 56 and a second servo motor 57, the ball screw 56 is used for pushing the laser displacement sensor 51, the second servo motor 57 is used for driving the ball screw 56, one side of the U-shaped bracket 55 is provided with a second cable protection nylon drag chain 54 which is used for allowing a cable to penetrate through and can be curled to move along with the laser displacement sensor 51, and the second cable protection nylon drag chain 54 protects the cable and does not hinder the movement of the cable.
More specifically, the micro linear module 5 further comprises a sensor mounting frame 52, a cable fixing support 53 and an L-shaped mounting frame 58, the laser displacement sensor 51 is embedded in the sensor mounting frame 52 and is fastened by screws, the sensor mounting frame 52 is connected with a slide block at the shaft extension end of a ball screw 56 through screws, the ball screw 56 is integrally fixed on a U-shaped support 55, and the U-shaped support 55 is fixed below the panel of the working platform 3 through screws; the second servo motor 57 is fixed at the left end of the U-shaped bracket 55 by a screw and is in key connection with the ball screw 56, the second servo motor 57 drives the ball screw 56 to rotate to generate a pushing force to push the laser displacement sensor 51 to move left and right, and the laser displacement sensor is moved to a specified position according to a test requirement; the laser displacement sensor 51 is characterized in that signal transmission cables are laid on a cable fixing support 53 and a second cable protection nylon drag chain 54 and finally converged into a control unit; the cable fixing support 53 and the sensor mounting frame 52 are fixed on a slide block at the axial extending end of the ball screw 56 by screws and follow the laser displacement sensor 51; one end of the second cable protection nylon drag chain 54 is fixed on the cable fixing support 53 by adopting a screw, the other end of the second cable protection nylon drag chain is fixed at the left end of the L-shaped mounting rack 58 by adopting a screw, so that the protection of the cable in the follow-up process is realized, and the left end of the L-shaped mounting rack 58 is fixed on the working platform 3 by adopting a screw; the second servo motor 57 drives the ball screw 56 to translate, and after the jump detection is started, the miniature linear module 5 moves to the switching lever 63 at the designated position according to the position command to detect the jump.
In the embodiment, the invention comprises a mechanical structure part and a control structure part, wherein the mechanical structure part comprises a working platform 3, a main top mechanism 2, a revolving top mechanism 4, a micro linear module 5 and a bounce detection tool 6, the main top mechanism 2 and the revolving top mechanism 4 are fixed on the working platform 3 in a mechanical connection mode, the micro linear module 5 is installed below the table top of the platform 1 in a mechanical connection mode, an enough gap is reserved on the table top right below a motor rotor 1 so that a laser displacement sensor 51 on the micro linear module 5 can move back and forth and can detect, the bounce detection tool 6 is installed right in front of the working platform 3, and the inner hexagon is adopted for fastening installation for replacement operation, so that the invention is suitable for circular bounce tests of motor rotors 1 of various types. The control structure part adopts a control unit such as a controller which is connected with a motor and a sensor in the mechanical structure part, the control unit is an electrical control system consisting of hardware and software, all the action control and the test parameter monitoring of the mechanical device are completed by the control unit, the specific structural form of the control unit can refer to the prior art, and the detailed description is omitted.
In the process of detecting the circular runout of the motor rotor 1, after the rotating center 24 and the revolving center 44 tightly push the motor rotor 1 placed on the positioning block 61, the first servo motor 21 rotates at a low speed through the rotating center 24 to drive the motor rotor 1 to rotate, one end of the switching lever 63 is in rigid contact with each testing circular face of the motor rotor 1, so that the circular runout of the motor rotor 1 is converted into linear displacement of the switching lever 63, and finally, the circular runout error is detected in a mode that the linear displacement of the switching lever 63 is detected through the high-precision laser displacement sensor 51 which can freely translate on the miniature linear module 5.
In a specific process, before a test is started, the motor rotor 1 to be tested is manually placed on the positioning block 61 of the jump detection tool 6, the position of the motor rotor 1 is manually and properly adjusted, a central hole at one end is ensured to be matched with the rotating center 24, and a test button is pressed to start detecting the circular jump of the motor rotor 1; the control unit controls the jacking cylinder 41 to push the rotating center bearing seat 43 to move towards the motor rotor 1 until the rotating center 44 is matched with the center hole at the other end of the motor rotor 1, the rotating center 44 and the rotating center 24 jack the motor rotor 1 tightly, the proximity switch 49 judges and executes a subsequent command after the motor rotor 1 is jacked tightly, and the ruby contact 62 on the switching lever 63 is in contact with the corresponding circular surface of the motor rotor 1; the control unit controls the ball screw 56 to rotate, the laser displacement sensor 51 is moved to a test position of a designated circular surface, the control unit drives the first servo motor 21 to operate, the first servo motor 21 drives the rotating center 24, the revolving center 44 and the motor rotor 1 to rotate slowly, the laser displacement sensor 51 detects the jumping displacement of the switching lever 63, and the collected jumping displacement is transmitted to the control unit for storage and data analysis; after one circular runout detection is finished, the control unit controls the first servo motor 21 to stop, the ball screw 56 is controlled to move the laser displacement sensor 51 to the next circular to be tested, the control unit drives the first servo motor 21 to operate again, the operation is repeated until the circular runout detection is finished and the test result is recorded, the control unit controls the first servo motor 21 to stop, the ball screw 56 is controlled to rotate, the laser displacement sensor 51 is moved to the initial position, the rotating tip bearing seat 43 is controlled to return to the initial position, the motor rotor 1 is placed on the positioning block 61 again, and the circular runout detection of the motor is finished.
The invention realizes the operations of automatic jacking, rotation, sensor translation, rotor circular surface jumping signal acquisition and the like of the motor rotor 1 through the automatic platform, and ensures the installation precision, the test precision and the safety of the test process of the motor rotor 1; the circular runout detection of all the assembling end surfaces of the motor rotor 1 can be completed at one time, the detection process is simple and reliable, and the detection precision and efficiency of the circular runout detection are greatly improved.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The motor rotor circular runout detection device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The circular runout detection device of the motor rotor is characterized by comprising a fixing module and a detection module, wherein the fixing module is used for clamping and driving the motor rotor (1) to rotate around a central shaft; the detection module comprises a switching lever (63) which is used for being in rigid contact with a circular surface of the motor rotor (1) and converting circular surface jumping into linear displacement, and a laser displacement sensor (51) which is used for detecting the linear displacement.
2. The device for detecting the circular runout of the motor rotor as claimed in claim 1, wherein the fixing module comprises a main tip mechanism (2) and a rotating tip mechanism (4) which have adjustable intervals and can be used for driving the motor rotor (1) to rotate around a central shaft.
3. The device for detecting the circular runout of the rotor of the motor as claimed in claim 2, wherein the main centre mechanism (2) comprises a main jacking bearing seat (23), the main jacking bearing seat (23) is provided with a first servo motor (21) and a rotatable rotating centre (24), and the rotating centre (24) is connected with the first servo motor (21) through a coupling (22).
4. The motor rotor round surface runout detection device according to claim 3, wherein the revolving center mechanism (4) comprises a revolving center bearing seat (43), the revolving center bearing seat (43) is provided with a revolving center (44) which is coaxial with the rotating center (24) and can rotate, and the bottom of the revolving center mechanism (4) is slidably connected with the linear slide rail (42) through a second slide block module (45).
5. The motor rotor circular runout detection device according to claim 4, wherein the revolving center mechanism (4) further comprises a jacking cylinder (41) arranged on one side of the linear slide rail (42), and the jacking cylinder (41) is connected with the revolving center bearing seat (43) to drive the revolving center bearing seat (43) to move.
6. The device for detecting the circular runout of the rotor of the motor as claimed in claim 5, wherein the rotating center bearing seat (43) is provided with a proximity switch (49), and one side of the jacking cylinder (41) is provided with a first cable protection nylon drag chain (48) which is used for a cable to penetrate through and can be curled so as to move along with the rotating center bearing seat (43).
7. The device for detecting the circular runout of the motor rotor as claimed in any one of claims 1 to 6, wherein the adapting lever (63) belongs to a runout detecting tool (6), the runout detecting tool (6) is arranged at the lower side of the motor rotor (1), the runout detecting tool (6) further comprises a tool support (65), a positioning block (61) is arranged on the tool support (65), and the adapting lever (63) is rotatably connected with the tool support (65).
8. The device for detecting the circular runout of the motor rotor as claimed in claim 7, wherein the first end of the switching lever (63) is heavier than the second end, and the second end is provided with a contact head which is used for being in rigid contact with the motor rotor (1) and has lower material hardness than the motor rotor (1).
9. The device for detecting the circular runout of the rotor of the motor as claimed in any one of claims 1 to 6, wherein the laser displacement sensor (51) belongs to a micro linear module (5), and the micro linear module (5) further comprises a driving component for driving the laser displacement sensor (51) to move.
10. The device for detecting the circular runout of the rotor of the motor as claimed in claim 9, wherein the driving assembly comprises a U-shaped bracket (55), the U-shaped bracket (55) is provided with a ball screw (56) and a second servo motor (57), the ball screw (56) is used for pushing the laser displacement sensor (51), the second servo motor (57) is used for driving the ball screw (56), and a second cable protection nylon drag chain (54) which is used for a cable to pass through and can be curled to move along with the laser displacement sensor (51) is arranged on one side of the U-shaped bracket (55).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113988587A (en) * | 2021-10-26 | 2022-01-28 | 威海天润智能科技有限公司 | Crankshaft detection device and method and electronic equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152208A (en) * | 2010-12-30 | 2011-08-17 | 宁波大榭开发区综研化学有限公司 | Grinding device of pipes used for curved surface anti-buckling tests of adhesive tapes |
| CN102997820A (en) * | 2012-11-29 | 2013-03-27 | 苏州博德自动化科技有限公司 | Rotor support mechanism for motor rotor shaft jumping detector |
| CN202956069U (en) * | 2012-12-19 | 2013-05-29 | 南陵良力电动工具有限责任公司 | Detector for detecting axial jumping of motor rotor |
| CN205228417U (en) * | 2015-12-12 | 2016-05-11 | 深圳市中科誉明机器人有限公司 | A top device that is used for manipulator on -line automatic measure axle class excircle to beat |
| CN105690258A (en) * | 2016-03-08 | 2016-06-22 | 华侨大学 | In-situ measurement method and device for radial run-out of grinding wheel |
| CN106066161A (en) * | 2016-06-23 | 2016-11-02 | 苏州大学 | A kind of roller profile of tooth detector |
| CN106705791A (en) * | 2017-03-01 | 2017-05-24 | 福建永强力加动力设备有限公司 | Detection assembly for external circle run-out of generator rotor |
| CN207456415U (en) * | 2017-12-09 | 2018-06-05 | 无锡特恒科技有限公司 | The pulsation measurement component of axial workpiece |
| CN108225231A (en) * | 2018-01-02 | 2018-06-29 | 吉林圆方机械集团有限公司 | For detecting the detection device of the workpiece diameter of axle and jerk value |
| CN109269380A (en) * | 2018-11-30 | 2019-01-25 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing inner race axial circular jitter detection apparatus |
| CN110030961A (en) * | 2019-05-28 | 2019-07-19 | 青岛德盛机械制造有限公司 | A kind of crankshaft drift value detection device |
| CN111431363A (en) * | 2020-04-30 | 2020-07-17 | 江苏省亘虹机电有限公司 | Rotor dynamic balance measuring instrument capable of measuring circle run-out |
-
2020
- 2020-08-10 CN CN202010795482.XA patent/CN111854607A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152208A (en) * | 2010-12-30 | 2011-08-17 | 宁波大榭开发区综研化学有限公司 | Grinding device of pipes used for curved surface anti-buckling tests of adhesive tapes |
| CN102997820A (en) * | 2012-11-29 | 2013-03-27 | 苏州博德自动化科技有限公司 | Rotor support mechanism for motor rotor shaft jumping detector |
| CN202956069U (en) * | 2012-12-19 | 2013-05-29 | 南陵良力电动工具有限责任公司 | Detector for detecting axial jumping of motor rotor |
| CN205228417U (en) * | 2015-12-12 | 2016-05-11 | 深圳市中科誉明机器人有限公司 | A top device that is used for manipulator on -line automatic measure axle class excircle to beat |
| CN105690258A (en) * | 2016-03-08 | 2016-06-22 | 华侨大学 | In-situ measurement method and device for radial run-out of grinding wheel |
| CN106066161A (en) * | 2016-06-23 | 2016-11-02 | 苏州大学 | A kind of roller profile of tooth detector |
| CN106705791A (en) * | 2017-03-01 | 2017-05-24 | 福建永强力加动力设备有限公司 | Detection assembly for external circle run-out of generator rotor |
| CN207456415U (en) * | 2017-12-09 | 2018-06-05 | 无锡特恒科技有限公司 | The pulsation measurement component of axial workpiece |
| CN108225231A (en) * | 2018-01-02 | 2018-06-29 | 吉林圆方机械集团有限公司 | For detecting the detection device of the workpiece diameter of axle and jerk value |
| CN109269380A (en) * | 2018-11-30 | 2019-01-25 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing inner race axial circular jitter detection apparatus |
| CN110030961A (en) * | 2019-05-28 | 2019-07-19 | 青岛德盛机械制造有限公司 | A kind of crankshaft drift value detection device |
| CN111431363A (en) * | 2020-04-30 | 2020-07-17 | 江苏省亘虹机电有限公司 | Rotor dynamic balance measuring instrument capable of measuring circle run-out |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113988587A (en) * | 2021-10-26 | 2022-01-28 | 威海天润智能科技有限公司 | Crankshaft detection device and method and electronic equipment |
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Application publication date: 20201030 |