CN202547623U - Detector for axial play of motor - Google Patents
Detector for axial play of motor Download PDFInfo
- Publication number
- CN202547623U CN202547623U CN2012201750270U CN201220175027U CN202547623U CN 202547623 U CN202547623 U CN 202547623U CN 2012201750270 U CN2012201750270 U CN 2012201750270U CN 201220175027 U CN201220175027 U CN 201220175027U CN 202547623 U CN202547623 U CN 202547623U
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- motor
- push rod
- displacement transducer
- axial float
- base
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Abstract
The utility model relates to the technical field of motor production and detection, in particular to a detector for axial play of a motor. The detector comprises a bottom plate, a motor fixing device, a thrust device and a measuring device, wherein the measurement is realized by applying an axial force to a motor rotor. The detector has the advantages of rational structure, simple and compact mechanism, high detection efficiency, capability of accurately detecting the axial play of the motors of various structures, novel design and accurate measurement because of use of a displacement sensor, convenience and quickness in measurement and no damage to a motor spindle.
Description
Technical field
The utility model relates to motor production and detection technique field, particularly a kind of motor axial float detector.
Background technology
Permanent magnet motor is as the important member of motor family, developing over nearly more than 20 years rapidly, obtained extensively meeting the tendency in the every field of national economy.But in actual use; A lot of problems has also appearred in permanent magnet motor; The problem that wherein causes because of the motor axial float accounts for quite a few, the excessive or too small even running that tends to directly have influence on equipment of the axial float value of motor, generating noise; Particularly, influence comparatively serious using precision equipment or being equipped with under the situation of micromotor.And very important for the motor axial float value that adopts oiliness bearing, axial float is excessive, and the mechanical vibration meeting becomes big during the motor operation, and it is big that noise becomes, thereby also can produce the serviceable life that ill-effect reduces motor to its bearing; Axial float is too small, and electric current can increase during the motor operation, and the motor feels hot to burning thereby make.
Therefore in the motor production run, very important for the detection of motor axial float, must be full inspection, and detection efficiency be the bottleneck of whole production technology.And the pick-up unit that present motor manufacturer adopts must detect by clamp motor axle core, and not only troublesome poeration influences detection efficiency, also can crush the motor reel core, any surface finish of influence axle core; The comparatively complicated pick-up unit that passes through that also has detects, and its device manufacturing cost is high, and operation is also inconvenient.Size to the motor reel applied force when the motor axial float detects also is a very important parameters, and requirement is not all done by present most of motor production firm to this.
The utility model content
The purpose of the utility model is in order to solve the problems of the technologies described above, a kind of motor axial float detector to be provided, in the hope of realizing the axial float of motor being measured accurately.
The technical scheme that the utility model is taked is:
A kind of motor axial float detector; Comprise motor 7, motor fixing device 18 and measurement mechanism 19, it is characterized in that, said motor fixing device 18 fixing said motors 7; Said measurement mechanism 19 comprises displacement transducer 12 and output unit 21; The signal of said displacement transducer 12 is through 21 outputs of said output unit, and said displacement transducer 2 comprises elasticity measurement bar 12a, a coaxial front side that is arranged on said motor 7 of said elasticity measurement bar 12a and said motor 7; Rear side at said motor 7; Thrust device 20 is set; Said thrust device 20 comprises constant force spring 5 and push rod 4; The thrust that 5 pairs of said push rods 4 of said constant force spring produce to motor drive direction, said push rod 4 is coaxial with the axle of said motor 7, and the thrust that said constant force spring 5 produces is greater than the reseting elasticity of said elasticity measurement bar 12a.
Further; Said motor fixing device 18, said thrust device 20 and said measurement mechanism 19 are installed on the same base 1; The bottom surface of said motor fixing device 18, said thrust device 20 and said measurement mechanism 19 all is provided with groove; A long locating piece 6 is set on said base 1, and said motor fixing device 18, said thrust device 20 and said measurement mechanism 19 are installed on the said base 1 through said groove and long locating piece 6.
Further, the leading section 4a of said push rod 4 is a semisphere.
Further, said base 1 is provided with mounting hole 1a, and said motor fixing device 18, said thrust device 20 and said measurement mechanism 19 are fixed on the said base 1 through the trip bolt that passes said mounting hole 1a.
Further; Said motor fixing device 18 comprises V-arrangement locating piece 8; Side at said V-arrangement locating piece 8 is provided with quick binding clasp fixed block 9; Quick binding clasp 10 is installed on said quick binding clasp fixed block 9, and said quick binding clasp 10 has an extension arm 10a, through the adjusting parts on the said extension arm 10a motor in the V-shaped groove 87 is clamped.
Further, said motor fixing device 18 also comprises limited block 11, and said limited block 11 is arranged on the place ahead of said V-shaped groove 8, and the top of said limited block 11 has half slot, and the axle that said half slot is used for said motor 7 passes.
Further; Said measurement mechanism 19 also comprises displacement transducer fixed block 13 and support 15; Said displacement transducer 12 is fixed on the said displacement transducer fixed block 13; Said output unit 21 is fixed on the said base 1 through said support 15; Said output unit 21 comprises and shows control instrument 16, shows the fixing basket of control instrument 17, lead 14 that said demonstration control instrument 16 is fixed on the fixing basket 17 of said demonstration control instrument, and said lead 14 connects said displacement transducer 12 and said demonstration control instrument 16.
Further, said thrust device 20 also comprises supporting seat 2, and the front of said supporting seat 2 is provided with push rod trepanning 2c; Above said push rod trepanning 2c, have groove 2a, have breach 2b, on the said push rod 4 spring base 4b is set in the side of said groove 2a; Said push rod 4 is through within the said push rod trepanning 2c; Said constant force spring 5 is stuck between the front of said spring base 4b and said supporting seat 2, and the side that said push rod 4 is through at said push rod trepanning 2c is provided with handle 3, and handle 3 passes said groove 2a; When said handle 3 was positioned at said breach 2b position, said handle 3 can turn to said breach 2b internal fixation.
Further, the measuring accuracy of said displacement transducer 12 is 0.01mm.
Further, the thrust of said constant force spring 5 generations is the twice of the reseting elasticity of said elasticity measurement bar 12a.
The beneficial effect of the utility model is:
1, simple in structure, compact;
2, the V-type locating piece is fit to various motor is installed, and detects the axial float of the motor of various structures;
3, simple to operate, easy to use, detection efficiency is high;
4, high accuracy displacement sensor makes measurement more accurate.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is stereographic maps of the utility model.
Label in the accompanying drawing is respectively:
1. base; 1a. mounting hole;
2. supporting seat; 2a. groove;
2b. breach; 2c. push rod trepanning;
3. handle; 4. push rod;
4a. leading section; 4b. spring base;
5. constant force spring; 6. long locating piece;
7. motor; 8.V shape locating piece;
9. quick binding clasp fixed block; 9a. mounting hole;
10. quick binding clasp; 10a. extension arm;
11. limiting plate; 12. displacement transducer;
12a. elasticity measurement bar 13. displacement transducer fixed blocks;
14. lead; 15. support;
16. demonstration control instrument; 17. show the fixing basket of control instrument;
18. motor fixing device; 19. measurement mechanism;
20. thrust device; 21. output unit.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model motor axial float detector.
In order to let easy to understand of the present invention, some directivity terms have been used in this instructions.Need to prove, the directivity term of being mentioned in this instructions, for example " on ", D score, " left side ", " right side ", " preceding ", " back " etc.; Being the direction with reference to accompanying drawing, is reference with the XYZ coordinate in accompanying drawing system, Z axle positive dirction be made as " on "; Z axle negative direction is made as D score, and X axle positive dirction is made as " right side ", and X axle negative direction is made as " left side "; Y axle positive dirction is made as " preceding ", and Y axle negative direction is made as " back ".The directivity term that uses is in order to explanation and understands the present invention, but not in order to restriction protection scope of the present invention.
Referring to accompanying drawing 1, accompanying drawing 2, long locating piece 6 is set on rectangle base 1, long locating piece 6 is fixed on the centre position of base 1 through securing member; The length of long locating piece 6 is slightly less than the length of base 1, and the linearity of long locating piece 6 on Y direction reaches certain requirement, and motor fixing device 18 is arranged on the central authorities of base 1; Motor fixing device 18 comprises V-arrangement locating piece 8; V-arrangement locating piece 8 openends are arranged on the Y direction side, and the bottom surface of V-arrangement locating piece 8 is provided with groove, and the size of groove just in time can be enclosed within on the long locating piece 6; And can on long locating piece 6, move; The both sides of long locating piece 6 on base 1, Y direction have the mounting hole 1a of Y direction, and V-arrangement locating piece 8 is fixed on the base 1 through mounting hole 1a.In the right edge of V-arrangement locating piece 8, through the securing member screw quick binding clasp fixed block 9 is installed, binding clasp fixed block 9 is provided with the mounting hole 9a of Z-direction fast, makes quick binding clasp fixed block 9 scalable on short transverse.Binding clasp fixed block 9 is the font of falling L fast; Fixedly mount quick binding clasp 10 on the upper stage of binding clasp fixed block 9 fast; Binding clasp 10 comprises the regulating device on extension arm 10a and the extension arm 10a fast; Extension arm 10a reaches the top of V-arrangement locating piece 8, regulating device be positioned at V-arrangement locating piece 8 directly over.Binding clasp 10 selects for use Yin state, Ningbo City Gu Te to be prone to the general quick binding clasp of GTY-13005 type that instrument company limited produces fast.Motor 7 is installed in the V-arrangement locating piece 8; The front portion of motor 7 is positioned at the place ahead of V-arrangement locating piece 8, and the height of regulating device is higher than motor 7, in the place ahead of V-arrangement locating piece 8 limited block 11 is installed; Limited block 11 tops have semi-circular hole, and the head that is used for motor 7 stretches out and bottles up the body of motor 7.Binding clasp fixed block 9 and quick binding clasp 10 also can be arranged on V-arrangement locating piece 8 left sides fast.
Continuation is referring to accompanying drawing 1, accompanying drawing 2; Measurement mechanism 19 comprises displacement transducer 12 and output unit 21, is fixed on the displacement transducer fixed block 13 at displacement transducer 12, and displacement transducer fixed block 13 bottom surfaces are provided with groove; The size of groove just in time can be enclosed within on the long locating piece 6; And can on long locating piece 6, move, the both sides of long locating piece 6 have the mounting hole 1a of Y direction on base 1, and displacement transducer fixed block 13 is fixed on the base 1 through mounting hole 1a.Displacement transducer fixed block 13 upper surfaces are located at groove; Displacement transducer 12 is fixed in the groove; Displacement transducer 12 fixed positions can be adjusted front and back, and 7 the coaxial setting of front end output shaft when elasticity measurement bar 12a is with motor on the displacement transducer 12 is in the left front of base 1; Show the fixing basket 17 of control instrument through support 15 fixed installations; Show that control instrument 16 is installed in the fixing basket 17 of demonstration control instrument, form output unit 21, the height of output unit 21 is fit to the operator conveniently to be observed and operation.Displacement transducer 12 is connected with demonstration control instrument 16 through lead 14, and the signal that displacement transducer 12 is exported shows through demonstration control instrument 16.Displacement transducer 12 is optional washes one's hair the NS-WY02 displacement transducer that instrument and meter for automation company limited produces with the sky, Shanghai, and its measuring accuracy is 0.01mm.Show control instrument 16 optional NS-YB04D-A1 demonstration control instruments of washing one's hair the production of instrument and meter for automation company limited with the sky, Shanghai.
Continuation is referring to accompanying drawing 1, accompanying drawing 2; Thrust device 20 comprises supporting seat 2, push rod 4 and constant force spring 5; The bottom surface of supporting seat 2 is provided with groove, and the size of groove just in time can be enclosed within on the long locating piece 6, and can on long locating piece 6, move; The both sides of long locating piece 6 have the mounting hole 1a of Y direction on base 1, and supporting seat 2 is fixed on the base 1 through mounting hole 1a.Open push rod trepanning 2c in the front upper place of supporting seat 2, push rod trepanning 2c does not penetrate supporting seat 2 in the longitudinal direction, offers groove 2a at the upper surface of supporting seat 2; Groove 2a extends through push rod trepanning 2c, offers breach 2b on the right side of groove 2a, and push rod 4 is provided with spring base 4b; The rear end of push rod 4 is through in the push rod trepanning 2c; Push rod 4 can rotate in push rod trepanning 2c and slide, and constant force spring 5 is installed between supporting seat 2 and the spring base 4b, and the leading section of push rod 4 is made as semisphere; Be that point contacts with face when contacting with motor reel core end face, guarantee its measuring accuracy with the leading section of push rod 4; Push rod 4 and the coaxial setting of the rotating shaft of motor 7.Above the rear end of push rod 4 insertion push rod trepanning 2c, handle 3 is set, handle 3 passes from groove 2a, and driving handle 3 can make constant force spring 5 produce elastic deformations in the Y direction motion, and turning handle 3 can make handle 3 block in breach 2b.Breach 2b also can be located at the left side of supporting seat 2, gets same effect.
The course of work of the utility model is after equipment is installed, to connect the power supply of displacement transducer 12; The handle 3 of push rod 4 is locked onto among the breach 2b, i.e. initial position is being put into V-arrangement locating piece 8 by measured motor 7; The front end of motor 7 is placed on V-arrangement locating piece 8 fronts, and makes motor 7 front ends be close to limited block 11, limits its front and back position; The position of rotating shaft and elasticity measurement bar 12a of adjusting push rod 4, motor 7 is on same straight line, and at this moment, the rotating shaft of motor 7 is withstood displacement forward with elasticity measurement bar 12a;, the reseting elasticity of elasticity measurement bar 12a is compressed to a setting value, received an onesize thrust backward by the rotor of measured motor 7 like this; Make the rotating shaft of whole motor 7 rely on the rear end, use quick binding clasp 10 clamping motors 7 again.With the value zero clearing that shows control instrument 16; Pull among the groove 2a of handle 3 to the supporting seat 2 of controlling push rod, push rod 4 will be pushed away forward by the rotating shaft of motor 7 under the effect of constant force spring 5 thrusts at this moment again; Elasticity measurement bar 12a is subjected to displacement forward simultaneously, and shift value shows and showing on the control instrument 16.After measurement finishes, handle 3 is pulled to breach 2b, unclamped quick clamping 10, take out motor 7, can carry out the next one again and measure.
Below take an example measuring process is described, adopted the oiliness bearing structure by measured motor 7, and installed rubber washer additional, the quality of rotor is 0.6Kg.Detecting the permissible value scope is: under the situation of 6N (ox) axial force, and motor axial float allowed band 0.13～0.38mm.
Detecting operation is explained as follows:
1, before using this detecting instrument detection, earlier selected elastic force is the constant force spring 5 of 12N, and the reseting elasticity of the elasticity measurement bar 12a of displacement transducer is adjusted into 6N.
2, after detecting instrument is ready to, connect the power supply of displacement transducer 12, handle 3 is locked onto among the breach 2b; Put into V-arrangement locating piece 8 to motor 7; The rotating shaft of motor 7 is the elasticity measurement bar 12a displacement forward of displacement transducer 12, and the reseting elasticity of elasticity measurement bar 12a is compressed to 6N, and the rotor of motor 7 receives a thrust 6N backward equally like this; Make whole rotor rely on the rear end, clamp by measured motor 7 with quick binding clasp 10 again.
3, behind the clamping motor 7; To show the value zero clearing of control instrument 16 again; Pull handle 3 again to groove 2a, push rod 4 will be pushed to foremost by measured motor 7 rotors under the effect of constant force spring 5 thrust 12N at this moment; Elasticity measurement bar 12a is subjected to displacement forward simultaneously, and shift value shows and showing on the control instrument 16.Here the axial force of 5 pairs of push rods 4 of constant force spring is 2 times of elasticity measurement bar reseting elasticity.
4, after measurement finishes, handle 3 is pulled to initial position breach 2b, unclamped quick binding clasp 10, take out, can carry out the next one again and measure by measured motor 7.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. motor axial float detector; Comprise motor (7), motor fixing device (18) and measurement mechanism (19); It is characterized in that: said motor fixing device (18) is fixed said motor (7); Said measurement mechanism (19) comprises displacement transducer (12) and output unit (21); The signal of said displacement transducer (12) is through said output unit (21) output, and said displacement transducer (12) comprises elasticity measurement bar (12a), a coaxial front side that is arranged on said motor (7) of said elasticity measurement bar (12a) and said motor (7); Rear side in said motor (7); Thrust device (20) is set; Said thrust device (20) comprises constant force spring (5) and push rod (4); Said constant force spring (5) produces the thrust to motor drive direction to said push rod (4), and said push rod (4) is coaxial with the axle of said motor (7), and the thrust that said constant force spring (5) produces is greater than the reseting elasticity of said elasticity measurement bar (12a).
2. motor axial float detector according to claim 1; It is characterized in that: said motor fixing device (18), said thrust device (20) and said measurement mechanism (19) are installed on the same base (1); The bottom surface of said motor fixing device (18), said thrust device (20) and said measurement mechanism (19) all is provided with groove; A long locating piece (6) is set on said base (1), and said motor fixing device (18), said thrust device (20) and said measurement mechanism (19) are installed on the said base (1) through said groove and long locating piece (6).
3. motor axial float detector according to claim 1 is characterized in that: the leading section (4a) of said push rod (4) is a semisphere.
4. motor axial float detector according to claim 2; It is characterized in that: said base (1) is provided with mounting hole (1a), and said motor fixing device (18), said thrust device (20) and said measurement mechanism (19) are fixed on the said base (1) through the trip bolt that passes said mounting hole (1a).
5. motor axial float detector according to claim 1; It is characterized in that: said motor fixing device (18) comprises V-arrangement locating piece (8); Side at said V-arrangement locating piece (8) is provided with quick binding clasp fixed block (9); Go up installation quick binding clasp (10) at said quick binding clasp fixed block (9), said quick binding clasp (10) has an extension arm (10a), through the adjusting parts on the said extension arm (10a) motor (7) in the V-shaped groove (8) is clamped.
6. motor axial float detector according to claim 5; It is characterized in that: said motor fixing device (18) also comprises limited block (11); Said limited block (11) is arranged on the place ahead of said V-shaped groove (8); The top of said limited block (11) has half slot, and the axle that said half slot is used for said motor (7) passes.
7. motor axial float detector according to claim 1; It is characterized in that: said measurement mechanism (19) also comprises displacement transducer fixed block (13) and support (15); Said displacement transducer (12) is fixed on the said displacement transducer fixed block (13); Said output unit (21) is fixed on the said base (1) through said support (15); Said output unit (21) comprises demonstration control instrument (16), the fixing basket of demonstration control instrument (17), a lead (14), and said demonstration control instrument (16) is fixed on the said demonstration control instrument fixing basket (17), and said lead (14) connects said displacement transducer (12) and said demonstration control instrument (16).
8. motor axial float detector according to claim 1; It is characterized in that: said thrust device (20) also comprises supporting seat (2), and the front of said supporting seat (2) is provided with push rod trepanning (2c), has groove (2a) in said push rod trepanning (2c) top; Side at said groove (2a) has breach (2b); Spring base (4b) is set on the said push rod (4), and said push rod (4) is through within the said push rod trepanning (2c), and said constant force spring (5) is stuck between the front of said spring base (4b) and said supporting seat (2); The side that said push rod (4) is through at said push rod trepanning (2c) is provided with handle (3); Handle (3) passes said groove (2a), and when said handle (3) was positioned at said breach (2b) position, said handle (3) can turn to said breach (2b) internal fixation.
9. according to each described motor axial float detector in the claim 1 to 8, it is characterized in that: the measuring accuracy of said displacement transducer (12) is 0.01mm.
10. according to each described motor axial float detector in the claim 1 to 8, it is characterized in that: the thrust that said constant force spring (5) produces is the twice of the reseting elasticity of said elasticity measurement bar (12a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201750270U CN202547623U (en) | 2012-04-24 | 2012-04-24 | Detector for axial play of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201750270U CN202547623U (en) | 2012-04-24 | 2012-04-24 | Detector for axial play of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547623U true CN202547623U (en) | 2012-11-21 |
Family
ID=47168241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201750270U Expired - Fee Related CN202547623U (en) | 2012-04-24 | 2012-04-24 | Detector for axial play of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547623U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063179A (en) * | 2013-01-01 | 2013-04-24 | 中船重工电机科技股份有限公司 | Axial displacement testing device for principal axis of double-sliding bearing generator |
| CN103486992A (en) * | 2013-09-18 | 2014-01-01 | 宁波慈星股份有限公司 | Testing device for flat knitting machine shaking table complete set screw rod moving clearance |
| CN106403869A (en) * | 2016-10-14 | 2017-02-15 | 芜湖全程智能科技有限公司 | ABS solenoid valve piston pump and reservoir chamber piston test device displacement mechanism |
| CN114061515A (en) * | 2021-11-16 | 2022-02-18 | 重庆盟讯电子科技有限公司 | Automatic testing arrangement of motor axial float |
| CN116026275A (en) * | 2023-02-27 | 2023-04-28 | 鱼台感创精密机械有限公司 | Accurate detection device of axial float error of rotor |
-
2012
- 2012-04-24 CN CN2012201750270U patent/CN202547623U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063179A (en) * | 2013-01-01 | 2013-04-24 | 中船重工电机科技股份有限公司 | Axial displacement testing device for principal axis of double-sliding bearing generator |
| CN103486992A (en) * | 2013-09-18 | 2014-01-01 | 宁波慈星股份有限公司 | Testing device for flat knitting machine shaking table complete set screw rod moving clearance |
| CN106403869A (en) * | 2016-10-14 | 2017-02-15 | 芜湖全程智能科技有限公司 | ABS solenoid valve piston pump and reservoir chamber piston test device displacement mechanism |
| CN114061515A (en) * | 2021-11-16 | 2022-02-18 | 重庆盟讯电子科技有限公司 | Automatic testing arrangement of motor axial float |
| CN116026275A (en) * | 2023-02-27 | 2023-04-28 | 鱼台感创精密机械有限公司 | Accurate detection device of axial float error of rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |