CN207053306U - The slewing limit part of motor activity rotor - Google Patents
The slewing limit part of motor activity rotor Download PDFInfo
- Publication number
- CN207053306U CN207053306U CN201720876010.0U CN201720876010U CN207053306U CN 207053306 U CN207053306 U CN 207053306U CN 201720876010 U CN201720876010 U CN 201720876010U CN 207053306 U CN207053306 U CN 207053306U
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- China
- Prior art keywords
- rotor
- compression spring
- end cap
- storage tank
- pin
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Abstract
The utility model discloses a kind of slewing limit part of motor activity rotor, including end cap and two pins, the end cap is fixed on motor shaft by centrally disposed axle positioning hole, and two storage tanks are arranged with end cap centered on axle positioning hole, the pin is passed through and is laterally inserted into rotor from storage tank one end；Compression spring is provided with storage tank, compression spring one end is stuck in storage tank one end, and the other end withstands pin.The utility model slewing limit part can ensure rotor stability of rotation, prevent the excessive influence using effect of rotational angle, when rotor rotates, it can be exerted a force by pin, compress compression spring, until stopping when the screen resilience and fixed magnetic field equal to active force caused by alternating expression pole piece of compression spring.When slewing limit component malfunction or damage when, at end cap can Quick overhaul, when going wrong only need change widget；When rotor goes wrong, remove end cap can rapid examination to problem.
Description
Technical field
A kind of limiting component is the utility model is related to, specifically a kind of slewing limit part of motor activity rotor, is belonged to
Field of motor manufacturing.
Background technology
Electric car is driven by motor, when the operation of empty wagons the rotating speed of (now load capacity is smaller) common electric machine compared with
Slowly, motor is in inefficient running status；When loading very big, the power output of motor can be heightened to increase motor therewith
Output torque, now because the extension for (now motor working efficiency is relatively low) time of overloading is easy to make motor seriously generate heat even
Damage, reduce the service life of motor.Such in order to solve the problems, such as, some adaptively adjust motor and are developed, its
By the size of the relative rotation regulation torque output of internal activity rotor, but such motor rotor construction is mostly relatively more multiple
Miscellaneous, rotor is not perfectly flat steady when rotating, and rotational angle is difficult to control, and then influences using effect；And once internal generation event
Barrier or damage, need to take apart completely during maintenance, and maintenance is pretty troublesome.
The content of the invention
In view of the above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of returning for motor activity rotor
Turn limiting component, it is simple in construction, rotor stability of rotation can be ensured, can effectively control rotational angle；And maintenance and dimension
Protect simple and quick, facilitate the replacing of rotor parts, operation and maintenance cost can be substantially reduced.
To achieve the above object, the technical solution adopted in the utility model is：A kind of slewing limit of motor activity rotor
Part, including end cap and two pins, the end cap are fixed on motor shaft by centrally disposed axle positioning hole, and on end cap
Two storage tanks are arranged with centered on axle positioning hole, the pin, which passes through from storage tank one end and is laterally inserted into rotation, to be turned
In son；Compression spring is provided with storage tank, compression spring one end is stuck in storage tank one end, and the other end withstands pin.
Further, positioning push pedal is provided between compression spring and pin, positioning push pedal is placed in stopper slot；The positioning
One side surface of push pedal is vertically provided with locating shaft, and compression spring is enclosed on locating shaft and withstands positioning push pedal, positions the another of push pedal
Side is towards pin.
Further, step is provided between stopper slot and storage tank, and the width of stopper slot is more than the width of storage tank.
Preferably, storage tank length direction with end cap gyratory directions it is consistent.
Preferably, pin and compression spring are provided with two groups, and end cap and rotor are symmetricly set on centered on motor shaft
Between.
The utility model is simple in construction, and slewing limit part can ensure rotor stability of rotation, prevent rotor
The excessive influence using effect of rotational angle, when rotor rotates, it can be exerted a force by pin, compress compression spring, until pressure
Stop when the screen resilience of contracting spring and fixed magnetic field equal to active force caused by alternating expression pole piece.When slewing limit part is sent out
When raw failure or damage, it is not necessary to disassemble rotor, at end cap can Quick overhaul, only need to change when going wrong small
Part；When rotor goes wrong, remove end cap can rapid examination to problem, it is not necessary to take rotor apart completely,
The quick-replaceable of internal part can be realized, it is achieved thereby that the Quick overhaul of rotor, reduces maintenance cost.
After in motor, rotating speed can be ensured in low-load, motor operation is improved vehicle in high efficiency range
Operational efficiency；When load increase when, because motor casing upper fixed line circle magnetic field power changes so that rotor can be with
In time rotate with respect to end cap, so as to quickly improve the output torque of motor, carried on the premise of not additional elevation power
High adjustment capability of the motor to load, it also avoid that the excessive situation of current of electric occurs, vehicular electric machine power output is more closed
Reason.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is installed on rotor；
Fig. 2 is Fig. 1 explosive view；
Fig. 3 is the schematic diagram that pin is fixed on movable rotor；
Fig. 4 is the use state figure that Fig. 1 rotor is installed in motor；
In figure, 1. electric machine casings, 2. leads, 10. rotors, 11. rotors, 110. rotary supporting bodies, 111. rotations
Turn support outer shroud, 111a. is raised, and 112. rotation support inner ring, 112a. grooves, 113. floating bearings, 114. bottom plates, 12. fix
Rotor, 13. end caps, 131. storage tanks, 132. stopper slots, 133. axle positioning holes, 20. motor shafts, 30. alternating expression pole pieces, 41.
Pin, 42. compression springs, 43. positioning push pedals, 44. locating shafts.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated, a kind of slewing limit part of motor activity rotor, including end cap 13 and two pins 41, the end
Lid 13 is fixed on motor shaft 20 by centrally disposed axle positioning hole 133, and right centered on axle positioning hole 133 on end cap 13
Title is provided with two storage tanks 131, and the pin 41 passes through from the one end of storage tank 131 and is laterally inserted into the rotation of rotor 11
In supporter 110；Compression spring 42 is provided with storage tank 131, the one end of compression spring 42 is stuck in the one end of storage tank 131, the other end
Withstand pin 41.
Further, positioning push pedal 43 is provided between compression spring 42 and pin 41, positioning push pedal 43 is placed in stopper slot 132
In；One side surface of the positioning push pedal 43 is vertically provided with locating shaft 44, and compression spring 42, which is enclosed on locating shaft 44 and withstood, determines
Position push pedal 43, the opposite side of push pedal 43 is positioned towards pin 41.Compression spring 42, which is enclosed on locating shaft 44, can avoid from accommodating
The favorite outer abjection of groove 131, positioning push pedal 43 increase the contact area between the one end of compression spring 42 and pin 41, ensure pin
41 can smoothly promote compression spring 42 from one end.
Preferably, step is provided between stopper slot 132 and storage tank 131, and the width of stopper slot 132 is more than storage tank
131 width.When rotary supporting body 110 rotates, promotes compression spring 42 to positioning push pedal by pin 41 and positioning push pedal 43
43 with step when being contacted, and positioning push pedal 43 can be limited by step and moved, so as to prevent rotary supporting body 110 from rotating excessively.
Preferably, in order to ensure that compression spring 42 can timely respond to, improve sensitivity level and effect that device automatically adjusts
Rate, the length direction of storage tank 131 are consistent with the gyratory directions of rotary supporting body 110.When rotary supporting body 110 rotates, pin 41
Directly vertical pressure can be applied to it from the one end of compression spring 42, it is quickly compressed, so as to adjust α angles in time,
Unnecessary component will not be wasted.
Preferably, pin 41 and compression spring 42 are provided with two groups, be symmetricly set on centered on motor shaft 20 end cap 13 with
Between rotary supporting body 110.Set two groups of centrosymmetric slewing limit parts make it that plant running is more reliable and more stable, extend
Service life, avoid the trouble that often maintenance is changed.
The utility model is installed to one of as follows using embodiment in motor：
Fixed rotor 12, rotor 11 and end cap 13 are in turn mounted on motor shaft 20, rotor 11 is by returning
Rotating shaft is held 113 and is set on motor shaft 20, and surface loop is around itself being circumferentially with alternating expression pole piece 30, the table of fixed rotor 12
Face ring includes around the alternating expression pole piece 30 consistent with the arrangement mode of rotor 11, alternating expression pole piece 30 itself is circumferentially with
The multiple multiple N poles magnetic shoes being circumferentially disposed on successively on rotor outer ring and S poles magnetic shoe.Rotor 11 turns towards fixed
The side of son 12 is provided with bottom plate 114, the alternating expression pole piece 30 on the surface of fixed rotor 12 and the alternating expression on the surface of rotor 11
Pole piece 30 circumferentially staggers an angle [alpha], and angle [alpha] is too whard to control greatly, too small not reach the purpose automatically adjusted therefore fixed
The angle [alpha] that the alternating expression pole piece 30 on the surface of rotor 12 circumferentially staggers with the alternating expression pole piece 30 on the surface of rotor 11
Span is proper at 13 ° -17 °.Each part is changed in order to facilitate safeguarding, the rotary supporting body 110 of rotor 11 is wrapped
Include rotation support outer shroud 111 and rotation support inner ring 112, rotation support outer shroud 111 and rotation support inner ring 112 by with motor
Axle 20 parallel strip groove 112a and raised 111a, which coordinate, to be fixed together.Rotor 11 and fixed rotor 12 can be formed
The rotor 10 of one entirety, is placed in electric machine casing 1, and the wound motor rotor 10 on the madial wall of electric machine casing 1
Fixed coil is set, the fixed coil of the inner side of electric machine casing 1 is powered to motor power supply by lead 2, caused by fixed coil
The alternating expression pole piece 30 in magnetic field and the surface of rotor 10 interacts, and makes the integral-rotation of rotor 10, rotor 10
Drive motor axle 20 rotates simultaneously.Due to the alternating expression pole piece 30 on the surface of fixed rotor 12 and interlocking for the surface of rotor 11
The circumferentially offset angular α of formula pole piece 30, the alternating expression pole piece 30 on the surface of fixed rotor 12 and the friendship on the surface of rotor 11
Wrong formula pole piece 30 can respectively with fixed coil caused by electromagnetic field interact,
At the same time due to the alternating expression pole piece 30 and the alternating expression magnetic on the surface of rotor 11 on the surface of fixed rotor 12
Pole piece 30 circumferentially staggers an angle [alpha], and caused magnetic field can cancel out each other a part respectively for fixed rotor 12 and rotor 11,
Reduce the overall magnetic field intensity of rotor 10, equivalent to the computational length La for shortening rotor magnet, and according to public affairs
The magnet computational length La formula of formula one：In formula：La is the computational length of rotor magnet；aδFor pole
Arc coefficient；A is electromagnetic load；BδFor air gap flux density；DaFor rotor diameter；For efficiency；P is number of pole-pairs, and n is rotating speed；kDTo be normal
Number,
In the case where other correlation computations coefficients are constant, n is inversely proportional with La, i.e., when the overall magnetic field of rotor 10 is strong
Degree reduces so that when the computational length La of rotor magnet shortens, and motor speed n increases, the increasing of improved efficiency motor speed
Add the corresponding power output for improving motor, make motor operation in high efficiency range.
When vehicle, which loads, to be increased, resistance can be applied on motor shaft 20 caused by load, in order to overcome resistance, motor
Power meeting automatic adjustment height, making to increase by the electric current of the inner side fixed coil of electric machine casing 1, fixed coil produces bigger magnetic field,
Until magnetic field can overcome the support force of compression spring 42 to make 11 turns of rotor with active force caused by alternating expression pole piece 30
It is dynamic, while drive pin 41 to compress compression spring 42 by positioning push pedal 43.Rotor 11 rotates necessarily relative to end cap 13
Angle after, the alternating expression pole piece 30 on the surface of fixed rotor 12 and the alternating expression pole piece 30 on the surface of rotor 11 is staggered
Angle diminish, the overall magnetic field intensity of rotor 10 is improved, so as to equivalent to the computational length for making rotor magnet
La is elongated, and according to formula one above, motor speed n can be reduced accordingly, now, because power output is constant, is operated according to motor
Formula two：Power output=rotating speed * torsion/9.55, motor torsion can synchronously get a promotion with output torque.
With load constantly increase, the degree that compression spring 42 is compressed constantly increases so that rotor 11 is with respect to end cap
The angle of 13 rotations constantly increases, and the overall magnetic field intensity of rotor 10 is more and more stronger, and La is increasing, and the output of motor turns
Square increases therewith, is α up to being rotated up to angle, now the alternating expression pole piece 30 and rotor 11 on the surface of fixed rotor 12
The angle that the alternating expression pole piece 30 on surface circumferentially staggers is 0 °, and both are consistent completely, reaches maximum output torque.
Claims (5)
1. a kind of slewing limit part of motor activity rotor, it is characterised in that including end cap (13) and two pins (41), institute
State end cap (13) to be fixed on motor shaft (20) by centrally disposed axle positioning hole (133), and positioned on end cap (13) with axle
It is arranged with two storage tanks (131) centered on hole (133), the pin (41) passes through from storage tank (131) one end and from side
In face insertion rotor (11)；Compression spring (42) is provided with storage tank (131), compression spring (42) one end is stuck in storage tank
(131) one end, the other end withstand pin (41).
2. the slewing limit part of motor activity rotor according to claim 1, it is characterised in that compression spring (42) and
Positioning push pedal (43) is provided between pin (41), positioning push pedal (43) is placed in stopper slot (132)；The positioning push pedal (43)
One side surface is vertically provided with locating shaft (44), and compression spring (42) is enclosed on locating shaft (44) and withstands positioning push pedal (43), fixed
The opposite side of position push pedal (43) is towards pin (41).
3. the slewing limit part of motor activity rotor according to claim 2, it is characterised in that stopper slot (132) with
Step is provided between storage tank (131), and the width of stopper slot (132) is more than the width of storage tank (131).
4. the slewing limit part of motor activity rotor according to claim 1, it is characterised in that storage tank (131) is long
Spend direction with end cap (13) gyratory directions it is consistent.
5. the slewing limit part of motor activity rotor according to claim 1, it is characterised in that pin (41) and compression
Spring (42) is provided with two groups, is symmetricly set on centered on motor shaft (20) between end cap (13) and rotor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876010.0U CN207053306U (en) | 2017-07-19 | 2017-07-19 | The slewing limit part of motor activity rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876010.0U CN207053306U (en) | 2017-07-19 | 2017-07-19 | The slewing limit part of motor activity rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053306U true CN207053306U (en) | 2018-02-27 |
Family
ID=61497351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876010.0U Active CN207053306U (en) | 2017-07-19 | 2017-07-19 | The slewing limit part of motor activity rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207053306U (en) |
-
2017
- 2017-07-19 CN CN201720876010.0U patent/CN207053306U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 221000 east of tunshidagou and west of tunqing Road, Xuzhou Industrial Park, Jiangsu Province Patentee after: Jiangsu Jinpeng Group Co.,Ltd. Address before: 221000 North Xuzhou Avenue, Xuzhou Industrial Park, Xuzhou City, Jiangsu Province Patentee before: JIANGSU JINPENG VEHICLE Co.,Ltd. |