CN203798713U - Testing device - Google Patents
Testing device Download PDFInfo
- Publication number
- CN203798713U CN203798713U CN201420179753.9U CN201420179753U CN203798713U CN 203798713 U CN203798713 U CN 203798713U CN 201420179753 U CN201420179753 U CN 201420179753U CN 203798713 U CN203798713 U CN 203798713U
- Authority
- CN
- China
- Prior art keywords
- rotor core
- mounting disc
- core
- magnetic shoe
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 13
- 230000005489 elastic deformation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a testing device for testing bonding firmness of a rotor core and a magnetic shoe. The testing device comprises a machine seat for fixing the rotor core and an installation disc arranged above the machine seat in a hanging mode. Testing parts are arranged on the installation disc, the testing parts and magnetic shoes are the same in number, testing ends stretch out of the lower end face of the installation disc, the testing parts are evenly arranged on the same circumference of the lower end face of the installation disc at intervals, the axis core direction of the circumference is coaxial with the rotor core, the installation disc moves in a reciprocating mode in the axial direction of the rotor core, the testing ends of the testing parts abut against/ are away from the end portion of the magnetic shoe of the rotor core in a matched mode, in the process that the installation disc moves in the axial direction of the rotor core, when the pressure of the testing ends of the testing parts and the pressure of the end portion of the magnetic shoe reach the preset value, the installation disc stops moving. By means of the testing device for testing bonding firmness of the rotor core and the magnetic shoe, the bonding firmness of the rotor core and the magnetic shoe can be tested at one time, and testing efficiency is improved greatly.
Description
Technical field
The utility model belongs to machine field, particularly a kind of test unit for detection of rotor core and magnetic tile bonding fastness.
Background technology
Magnetic shoe is widely used on the rotor in permanent magnet DC motor, on the iron core outer wall of general permanent-magnet DC electric motor rotor, by AB glue, be circumferentially evenly bonded with 8 magnetic shoes, utilize rotor that magnetic shoe is made can make that electric machine structure is simple, easy to maintenance, lightweight, volume is little, use is reliable, copper consumption is few, copper loss is low, energy consumption is little etc.After magnetic shoe and rotor core bonding, need to test magnetic shoe, so that magnetic shoe and rotor core bonding fastness reach designing requirement, to prevent that magnetic shoe and rotor core from coming off, in prior art, the test unit that magnetic shoe is detected, comprise a detection head, detection head comprises a power sensor, detection head is arranged on the piston rod of cylinder, when needs detect, the end that cylinder piston rod promotes detection head be resisted against magnetic shoe upper end, when the numerical value of power sensor feedback numerical value out and setting is identical, the piston rod of cylinder stops mobile, make the end of detection head rest on the end 3 to 5 seconds of magnetic shoe, by manual observation magnetic shoe, whether from the outer wall of rotor core, split away off, if do not come off, the bonding fastness of rotor core and magnetic shoe is qualified, otherwise, defective, detection head of the prior art, once can only detect the bonding fastness of a slice magnetic shoe and rotor core, if need rotary rotor when the bonding fastness of other magnetic shoes and rotor core is measured or rotate detection head, so that magnetic shoe end to be detected and detection head end against, this kind of detection mode efficiency is lower, and the serviceable life of the power sensor of detection head is short.
Utility model content
The purpose of this utility model is to provide a kind of test unit, can improve the efficiency that detects magnetic shoe and rotor core bonding fastness.
For realizing above object, the technical solution adopted in the utility model is: a kind of test unit, device comprises the support for fixed rotor iron core A, the mounting disc that suspended of the top of described support, in described mounting disc, be provided with test section, described test section conforms to the magnetic shoe B quantity of rotor core A and the lower surface of mounting disc is stretched out in test side, test section is coaxial with rotor core A along the same even circumferential interval layout of the lower surface of mounting disc and the shaft core direction of place circumference, described mounting disc moves back and forth along the axial direction of rotor core A, and the magnetic shoe B end of the test side of test section and rotor core A form against or away from coordinating.
Compared with prior art, the utlity model has following technique effect: rotor core A is arranged on support, utilization is arranged on quantity in mounting disc and conforms to test section with the quantity of magnetic shoe B while detecting the fastness of magnetic shoe B and rotor bonding, mounting disc is in the axially movable process of rotor core A, make the test side of test section and the magnetic shoe B end of rotor core A form against, when the pressure of the test side of test section and the end of magnetic shoe B reaches the value of setting, mounting disc stops mobile, when the test side of test section and the end of magnetic shoe B against time surpass set against the time time, magnetic shoe B does not come off from rotor core A, magnetic shoe B and rotor core A bonding fastness are up to standard, this kind of test unit, once can magnetic shoe B and rotor core A bonding fastness be detected complete, improved greatly the efficiency detecting.
Accompanying drawing explanation
Fig. 1 is the structure intention of the utility model when to be detected;
Structure intention when Fig. 2 is the utility model detection;
Fig. 3 and Fig. 4 are respectively I in Fig. 1 and Fig. 2 and the zoomed-in view of II;
Fig. 5 is the structural representation of straight-bar in the utility model;
Fig. 6 is the structural representation of test section in the utility model;
Fig. 7 is the mounting disc structural representation in the utility model;
Fig. 8 is the stand structure schematic diagram in the utility model.
Embodiment
Below in conjunction with Fig. 1 to Fig. 8, the utility model is described further:
A kind of test unit, device comprises the support 10 for fixed rotor iron core A, the mounting disc 20 that suspended of the top of described support 10, in described mounting disc 20, be provided with test section 30, described test section 30 conforms to the magnetic shoe B quantity of rotor core A and the lower surface of mounting disc 20 is stretched out in test side, test section 30 is coaxial with rotor core A along the same even circumferential interval layout of the lower surface of mounting disc 20 and the shaft core direction of place circumference, described mounting disc 20 moves back and forth along the axial direction of rotor core A, and the magnetic shoe B end of the test side of test section 30 and rotor core A form against or away from coordinating.
Shown in Fig. 1 and Fig. 2, rotor core A is arranged on support 10, utilization is arranged on quantity in mounting disc 20 and conforms to test section 30 with the quantity of magnetic shoe while detecting the fastness of magnetic shoe B and rotor core A bonding, mounting disc 20 is in the axially movable process of rotor core A, the test side of test section 30 and the magnetic shoe B end of rotor core A are formed against coordinating, when the pressure of the test side of test section 30 and the end of magnetic shoe B reaches the value of setting, mounting disc 20 stops mobile, when the test side of test section 30 and the end of magnetic shoe B against time surpass set against the time time, magnetic shoe A does not come off from rotor core A, magnetic shoe B and rotor core A bonding fastness are up to standard, this kind of test unit, once can magnetic shoe B and rotor core A bonding fastness be detected complete, improved greatly the efficiency detecting.
Further, the piston rod 41 of the upper end of described mounting disc 20 and cylinder 40 is connected, the cylinder body 42 of cylinder 40 is fixedly installed in frame 50, the vertical laying of piston rod 41 and the drive installation dish 20 of described cylinder 40 move back and forth in vertical direction, shown in Fig. 1 and Fig. 2, utilize the movement of cylinder 40 drive installation dishes 20, stable, reliable.
Further, in conjunction with Fig. 3, 4, shown in 7, described mounting disc 20 is cylindric, its end face is provided with for holding the stepped hole of test section 30, described stepped hole is along the axis direction setting of mounting disc 20, the macropore section of described stepped hole is positioned at the lower surface of test section 30, described stepped hole along the same even circumferential of mounting disc 20 lower surfaces spaced apart and with the same core of mounting disc 20, the lower surface center position of mounting disc 20 is also provided with heavy stand or hole 22, described heavy stand or hole 22 are axially offered along mounting disc 20, when the test side of test section 30 and the end of magnetic shoe B against time, the upper rotating shaft C axle head of rotor core A is positioned at the center position of mounting disc 20, heavy stand herein or hole 22 are for holding the upper rotating shaft C of rotor core A, so that forming, the upper rotating shaft C of mounting disc 20 and rotor core A effectively dodges space, that guarantees mounting disc 20 moves down completing of action, make the detection end of test section 30 and the end of magnetic shoe B against.
Further, in conjunction with Fig. 3, 4, 5, shown in 6, described test section 30 comprises the straight-bar 31 of vertical laying, described straight-bar 31 interpolation in stepped hole and the two formation be slidably matched, the end face at place, stepped hole aperture is stretched out at the two ends of straight-bar 31, in the shaft of straight-bar 31, hypomere position is provided with the collar 32, the described collar 32 with straight-bar 31 with core and be arranged in the macropore section of stepped hole, the external diameter of the collar 32 is less than the macropore sector hole footpath of stepped hole, aperture section aperture and upper rod end that the bar footpath of straight-bar 31 is less than stepped hole are provided with nut 34, on described straight-bar 31 shafts, be also arranged with spring 33, one end of described spring 33 is resisted against on the upper surface of the collar 32, the other end is resisted against the shoulder position, hole of stepped hole.
Because the elasticity coefficient of spring 33 is determined value k, the elastic force f=kl of spring 33, wherein l is the amount of elastic deformation of spring 33, the piston rod 41 of the upper end of mounting disc 20 and cylinder 40 is connected, moving down of cylinder 40 drive installation dishes 20, make the lower rod end of straight-bar 31 and the upper end of magnetic shoe B against, when applying to the end of magnetic shoe B the used time of doing of certain force, cylinder 40 drive installation dishes 20 continue to move down, thereby make the upper end of the collar 32 on straight-bar 31 apply the acting force to spring 33, thereby make spring 33 produce elastic deformation, when the amount of elastic deformation l of spring 33 reaches the length of setting, can think that the acting force that the lower rod end of straight-bar 31 applies magnetic shoe B is identical with the acting force of setting, the lower rod end of straight-bar 31 and the end of magnetic shoe B are when reaching setting-up time, magnetic shoe B does not come off from rotor core A, the bonding fastness that magnetic shoe B and rotor core A are described is up to standard, shown in Fig. 1 and Fig. 3, the nut 34 of the upper end of straight-bar 31 has played the position-limiting action to straight-bar 31, so that straight-bar 31 can remain in stepped hole, and the phenomenon that can not drop, the test section 30 at this place is different from the power of utilization sensor of the prior art completely and detects the big or small test section that the upper end of magnetic shoe B is applied to power, this kind of test section 30 is simple in structure, life-span is long, reliable and stable.
Finally, described support 10 is the cylindric of vertical layout, support 10 outer walls offer draw-in groove 11, described draw-in groove 10 is along the axis direction setting of support 10, the cross section profile of draw-in groove 11 is " U " shape, the arc surface profile of its bottom land conforms to the rotating shaft profile of rotor core A, the same core of axle core of the axle core at the arc surface place of the bottom land of draw-in groove 11 and test section 30 place circumference, the groove width of draw-in groove 11 conforms to the external diameter of the rotating shaft C of rotor core A, shown in Fig. 2 and Fig. 8, when the magnetic shoe B to rotor core A detects, vertical rotor core A is arranged in draw-in groove 11, the rotating shaft C holding of rotor core A is in draw-in groove 11, because the bottom land of draw-in groove 11 is the axle core at arc surface and arc surface place and the same core of axle core of test section 30 place circumference, thereby can be by rotor core A Primary Location, can also on the upper end of support 10, several locating convex blocks be set so that the upper end of magnetic shoe B is corresponding with straight-bar 31 bottoms of test section 30, be convenient to the measurement to the bonding fastness of magnetic shoe B and rotor core A, further improve the efficiency detecting.
Claims (5)
1. a test unit, it is characterized in that: device comprises for the support of fixed rotor iron core A (10), the mounting disc (20) that suspended of the top of described support (10), in described mounting disc (20), be provided with test section (30), described test section (30) conforms to the magnetic shoe B quantity of rotor core A and the lower surface of mounting disc (20) is stretched out in test side, test section (30) is coaxial with rotor core A along the same even circumferential interval layout of the lower surface of mounting disc (20) and the shaft core direction of place circumference, described mounting disc (20) moves back and forth along the axial direction of rotor core A, and the magnetic shoe B end of the test side of test section (30) and rotor core A form against or away from coordinating.
2. test unit according to claim 1, it is characterized in that: the piston rod (41) of the upper end of described mounting disc (20) and cylinder (40) is connected, it is upper that the cylinder body (42) of cylinder (40) is fixedly installed on frame (50), and the vertical laying of piston rod (41) and the drive installation dish (20) of described cylinder (40) move back and forth in vertical direction.
3. test unit according to claim 1, it is characterized in that: described mounting disc (20) is cylindric, its end face is provided with for holding the stepped hole of test section (30), described stepped hole is along the axis direction setting of mounting disc (20), the macropore section of described stepped hole is positioned at the lower surface of test section (30), described stepped hole along the same even circumferential of mounting disc (20) lower surface spaced apart and with the same core of mounting disc (20), the lower surface center position of mounting disc (20) is also provided with heavy stand or hole (22), described heavy stand or hole (22) are axially offered along mounting disc (20).
4. test unit according to claim 3, it is characterized in that: described test section (30) comprises the straight-bar (31) of vertical laying, described straight-bar (31) interpolation in stepped hole and the two formation be slidably matched, the end face at place, stepped hole aperture is stretched out at the two ends of straight-bar (31), in the shaft of straight-bar (31), hypomere position is provided with the collar (32), the described collar (32) and straight-bar (31) are with core and be arranged in the macropore section of stepped hole, the external diameter of the collar (32) is less than the macropore sector hole footpath of stepped hole, aperture section aperture and upper rod end that the bar footpath of straight-bar (31) is less than stepped hole are provided with nut (34), on described straight-bar (31) shaft, be also arranged with spring (33), one end of described spring (33) is resisted against on the upper surface of the collar (32), the other end is resisted against the shoulder position, hole of stepped hole.
5. test unit according to claim 1, it is characterized in that: described support (10) is the cylindric of vertical layout, support (10) outer wall offers draw-in groove (11), described draw-in groove (10) is along the axis direction setting of support (10), the cross section profile of draw-in groove (11) is " U " shape, the arc surface profile of its bottom land conforms to the rotating shaft C profile of rotor core A, the same core of axle core of the axle core at the arc surface place of the bottom land of draw-in groove (11) and test section (30) place circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179753.9U CN203798713U (en) | 2014-04-14 | 2014-04-14 | Testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179753.9U CN203798713U (en) | 2014-04-14 | 2014-04-14 | Testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798713U true CN203798713U (en) | 2014-08-27 |
Family
ID=51380918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179753.9U Expired - Fee Related CN203798713U (en) | 2014-04-14 | 2014-04-14 | Testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325723A (en) * | 2020-09-11 | 2021-02-05 | 苏州恩意精密机械有限公司 | Magnetic shoe detection device and detection method |
| CN115077768A (en) * | 2022-08-16 | 2022-09-20 | 深圳市恒拓高工业技术股份有限公司 | Motor magnetic shoe thrust testing device and testing method |
-
2014
- 2014-04-14 CN CN201420179753.9U patent/CN203798713U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325723A (en) * | 2020-09-11 | 2021-02-05 | 苏州恩意精密机械有限公司 | Magnetic shoe detection device and detection method |
| CN115077768A (en) * | 2022-08-16 | 2022-09-20 | 深圳市恒拓高工业技术股份有限公司 | Motor magnetic shoe thrust testing device and testing method |
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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: 20140827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |