CN208835979U - A kind of pulleys type eddy current type shaft coupling - Google Patents
A kind of pulleys type eddy current type shaft coupling Download PDFInfo
- Publication number
- CN208835979U CN208835979U CN201821437665.9U CN201821437665U CN208835979U CN 208835979 U CN208835979 U CN 208835979U CN 201821437665 U CN201821437665 U CN 201821437665U CN 208835979 U CN208835979 U CN 208835979U
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- China
- Prior art keywords
- cavity
- slide
- power output
- eddy current
- shaft coupling
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of pulleys type eddy current type shaft couplings, including power rotor, driven rotor and belt pulley, the side of power rotor is equipped with spindle mounting hole, its opposite side is equipped with cavity, the circumferential side wall of cavity is equipped with copper ring, driven rotor is arranged in cavity, and it is not contacted with cavity side walls, the driven rotor includes slide, permanent magnetic portion and power output seat, slide is spindle rotationally arranged in cavity, the lateral wall of the slide is equipped with permanent magnetic portion, permanent magnetic portion is equipped with permanent magnets corresponding with copper ring, power output seat is arranged on slide far from power rotor one end, belt pulley is mounted on power output seat, the utility model combines pulley transmission mechanism with permanent magnet clutch drive mechanism, solve the problems, such as that shaft coupling can not long distance transmission, real-time rotational speed regulation can be realized by permanent magnet clutch simultaneously, Empty load of motor starts when protection motor, starting when load overload.
Description
Technical field
The utility model relates to Magnetic drive technical field more particularly to a kind of pulleys type eddy current type shaft couplings.
Background technique
At present in production the pulley drive that uses have the function of structure simply, stable drive, absorbing can be buffered etc., in machine
Using very extensive in tool transmission.The general relative size of belt pulley is bigger, is mainly used for the occasion of Long Distant Transmit power, example
Such as small diesel engine power output, mining machinery, textile machine, lathe and forging bed, pulley drive can mitigate load impacting,
It runs smoothly, low noise, low vibration；Pulley drive for belt pulley manufacture and installation accuracy unlike engaged transmission it is stringent,
Two axis centers of pulley drive are larger away from adjustable range.
But pulley drive equally have the shortcomings that it is certain: Elastic Sliding and skidding can be generated, transmission efficiency is lower, cannot
Accurate transmission ratio is kept, when transmitting the equally big force of periphery, pressure ratio engaged transmission is big in overall size and axis, and belt pulley passes
The service life of dynamic belt is shorter, slightly worse to the absorbability of load variations, can not achieve overload protection and it is soft open protection, can not be real
When change output revolving speed, can not according to operating condition carry out revolving speed adjustment.
Utility model content
The purpose of this utility model is to provide a kind of pulleys type eddy current type shaft couplings, by pulley transmission mechanism and forever
Magnet coupler drive mechanism combines, solve the problems, such as shaft coupling can not long distance transmission, while can by permanent magnet clutch
Empty load of motor starts when protection motor, starting when realizing real-time rotational speed regulation, load overload.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of pulleys type eddy current type shaft coupling, packet
Power rotor, driven rotor and belt pulley are included, the side of the power rotor is equipped with spindle mounting hole, and opposite side is equipped with recessed
Chamber, the circumferential side wall of the cavity are equipped with copper ring, and the driven rotor setting connects in cavity, and not with cavity side walls
Touching, which includes slide, permanent magnetic portion and power output seat, and the slide is spindle rotationally arranged in cavity, the slide
Lateral wall be equipped with permanent magnetic portion, which is equipped with permanent magnets corresponding with copper ring, and power output seat setting exists
Far from power rotor one end on slide, the belt pulley is mounted on power output seat.
As further optimization, the spindle mounting hole extends in cavity and forms cylindrical side wall in cavity, institute
Slide is stated to be spindle rotationally arranged in cylindrical side wall by deep groove ball bearing.
As further optimization, it is equipped with the flank around its ontology far from power rotor side on the slide, it is described
Flank is equipped with multiple first locking holes, and the power output seat is equipped with first through hole corresponding with the first locking hole, institute
It states power output seat and is fixed on flank by sequentially passing through the first clamping screw of first through hole and the first locking hole.
As further optimization, the outside that the first locking hole is located on the flank is equipped with the second through-hole, the permanent magnetism
Portion is equipped with the second locking hole, the slide by sequentially pass through the second clamping screw of the second through-hole and the second locking hole with forever
Magnetic portion is connected.
As further optimization, the number of first locking hole is 6-8.
As further optimization, the power output seat is equipped with installation axle, and the installation axle and belt pulley keyway connect
It connects.
As further optimization, the permanent magnets are rare earth permanent magnet block.
As further optimization, the power output seat is equipped with speed regulation device, and the speed regulation device is by the second locking
Bolt and spring composition.
Compared with prior art, the utility model has below the utility model has the advantages that permanent magnet clutch is applied to belt pulley
Transmission system in, may be implemented to transmit at a distance；Relative to pulley drive, it can be achieved that exporting the adjusting of revolving speed and realizing
It carries protection and opens protection with soft.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model.
Fig. 2 is the axial sectional view of the utility model.
In figure, 1. power rotors；2. driven rotor；3. belt pulley；11. spindle mounting hole；12. cavity；13. copper ring；14.
Cylindrical side wall；20. installation axle；21. slide；22. permanent magnetic portion；23. power output seat；24. permanent magnets；25. deep groove ball bearing；
26. flank；27. the first clamping screw；28. the second clamping screw；221. second locking holes；231. first through hole；261. first
Locking hole；262. second through-holes.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 2, a kind of pulleys type eddy current type shaft coupling, including power rotor 1, driven rotor 2 and belt
Wheel 3, the side of power rotor 1 are equipped with spindle mounting hole 11, and opposite side is equipped with cavity 12, sets in the circumferential side wall of cavity 12
There is copper ring 13, the setting of driven rotor 2 contacts in cavity 12, and not with the side wall of cavity 12, which includes slide
21, permanent magnetic portion 22 and power output seat 23, slide 21 are spindle rotationally arranged in cavity 12, and the lateral wall of the slide 21 is equipped with
Permanent magnetic portion 22, the permanent magnetic portion 22 are equipped with permanent magnets 24 corresponding with copper ring 13, and permanent magnets 24 are rare earth permanent magnet block, and power is defeated
Seat 23 is arranged on slide 21 far from 1 one end of power rotor out, and belt pulley 3 is mounted on power output seat 23.
Spindle mounting hole 11 extends in cavity 12 and forms cylindrical side wall 14 in cavity 12, and slide 21 passes through deep-groove ball
Bearing 25 is spindle rotationally arranged in cylindrical side wall 14.
It is equipped with the flank 26 around its ontology far from 1 side of power rotor on slide 21, flank 26 is equipped with 6 first locks
Tieholen 261, power output seat 23 are equipped with first through hole 231 corresponding with the first locking hole 261, and power output seat 23 passes through
The first clamping screw 27 for sequentially passing through first through hole 231 and the first locking hole 261 is fixed on flank 26.
It is equipped with the second through-hole 262 positioned at the outside of the first locking hole 261 on flank 26, permanent magnetic portion 22 is equipped with leads to second
Corresponding second locking hole 221 in hole 262, slide 21 is by sequentially passing through the second of the second through-hole 262 and the second locking hole 221
Clamping screw 28 is connected with permanent magnetic portion 22.
It is no mechanical connection between power rotor 1 and driven rotor 2, power rotor 1 is connected on motor shaft, driven rotor 2
It is connected on bearing shaft, it is necessary first to which the axially and radially positioning completely of driven rotor 2, the radial positioning of driven rotor 2 is by pacifying
Deep groove ball bearing 25 on power rotor 1 completes axially position by bolt combination to complete, and passes secondly by permanent magnetism
Dynamic principle carries out torque transfer.
Power output seat 23 is equipped with installation axle 20, and installation axle 20 is connect with belt pulley 3 by keyway.
Power output seat 23 is equipped with speed regulation device, and speed regulation device is made of the second clamping screw 28 and spring, shares two
Group, the second through-hole 262 that the second clamping screw 28 passes through slide 21 are connect with the second locking hole 221 of permanent magnetic portion 22, the second lock
There is spring on tight bolt 28, between slide 21 and permanent magnetic portion 22, during transmitting torque, can be adjusted the speed by adjusting
Device changes the size of coupling area between permanent magnets 24 and copper ring 13, realizes the purpose for adjusting revolving speed.
Specific mode of speed regulation are as follows: the second clamping screw 28 is rotated by allen wrench, the second locking in permanent magnetic portion 22
There is screw thread in hole 221, when rotation can convert rotary motion to linear motion, drive permanent magnetic portion 22 and permanent magnets 24 along the second lock
Tieholen 221 moves axially, and permanent magnets 24 are axially moveable the changeable coupling area between copper ring 13, thus it is possible to vary output turns
Speed.
Working principle:
Power rotor 1 is connected on motor shaft, and motor drives power rotor 1 to rotate, and the meeting of copper ring 13 on power rotor 1 exists
The movement of cutting magnetic induction line is done in the permanent magnetic field that permanent magnets 24 generate, to generate induced current, induced current on copper ring 13
By the effect of Ampere force in magnetic field, make to generate active force between copper ring 13 and permanent magnets 24, this active force, that is, torque, forever
Magnetic portion 22 is connected with slide 21, and slide 21 is connected with power output seat 23, power output seat 23 and belt pulley 3
Keyway connection, can be by the torque transfer of power rotor 1 to belt pulley 3.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of pulleys type eddy current type shaft coupling, which is characterized in that including power rotor (1), driven rotor (2) and belt pulley
(3), the side of the power rotor (1) is equipped with spindle mounting hole (11), and opposite side is equipped with cavity (12), the cavity (12)
Circumferential side wall be equipped with copper ring (13), the driven rotor (2) setting is in cavity (12), and the not side with cavity (12)
Wall contact, which includes slide (21), permanent magnetic portion (22) and power output seat (23), and the slide (21) can turn
In the cavity (12), the lateral wall of the slide (21) is equipped with permanent magnetic portion (22) for dynamic setting, the permanent magnetic portion (22) be equipped with
The corresponding permanent magnets (24) of copper ring (13), the power output seat (23) are arranged on slide (21) far from power rotor (1)
One end, the belt pulley (3) are mounted on power output seat (23).
2. pulleys type eddy current type shaft coupling according to claim 1, which is characterized in that the spindle mounting hole (11) is prolonged
It extends in cavity (12) and forms cylindrical side wall (14) in cavity (12), the slide (21) can by deep groove ball bearing (25)
The setting of rotation is on cylindrical side wall (14).
3. pulleys type eddy current type shaft coupling according to claim 2, which is characterized in that far from main on the slide (21)
Turn (1) side is equipped with the flank (26) around its ontology, and the flank (26) is equipped with multiple first locking holes (261),
The power output seat (23) is equipped with first through hole (231) corresponding with the first locking hole (261), the power output seat
(23) flank is fixed on by sequentially passing through the first clamping screw (27) of first through hole (231) and the first locking hole (261)
(26) on.
4. pulleys type eddy current type shaft coupling according to claim 3, which is characterized in that be located on the flank (26)
The outside of first locking hole (261) is equipped with the second through-hole (262), and the permanent magnetic portion (22) is equipped with and the second through-hole (262) phase
Corresponding second locking hole (221), the slide (21) is by sequentially passing through the second through-hole (262) and the second locking hole (221)
The second clamping screw (28) be connected with permanent magnetic portion (22).
5. pulleys type eddy current type shaft coupling according to claim 4, which is characterized in that first locking hole (261)
Number be 6-8.
6. pulleys type eddy current type shaft coupling according to claim 2, which is characterized in that on the power output seat (23)
Equipped with installation axle (20), the installation axle (20) connect with belt pulley (3) keyway.
7. pulleys type eddy current type shaft coupling according to claim 2, which is characterized in that the permanent magnets (24) are rare earth
Permanent magnets.
8. pulleys type eddy current type shaft coupling according to claim 2, which is characterized in that on the power output seat (23)
Equipped with speed regulation device, the speed regulation device is made of the second clamping screw (28) and spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437665.9U CN208835979U (en) | 2018-09-04 | 2018-09-04 | A kind of pulleys type eddy current type shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437665.9U CN208835979U (en) | 2018-09-04 | 2018-09-04 | A kind of pulleys type eddy current type shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835979U true CN208835979U (en) | 2019-05-07 |
Family
ID=66311871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821437665.9U Expired - Fee Related CN208835979U (en) | 2018-09-04 | 2018-09-04 | A kind of pulleys type eddy current type shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659913A (en) * | 2021-10-19 | 2021-11-16 | 北京巴什卡科技有限公司 | Torque acquisition method for permanent magnet coupler |
-
2018
- 2018-09-04 CN CN201821437665.9U patent/CN208835979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659913A (en) * | 2021-10-19 | 2021-11-16 | 北京巴什卡科技有限公司 | Torque acquisition method for permanent magnet coupler |
| CN113659913B (en) * | 2021-10-19 | 2022-02-08 | 北京巴什卡科技有限公司 | Torque acquisition method for permanent magnet coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20190904 |