CN114221460A - Clutch type motor rotor structure - Google Patents

Clutch type motor rotor structure Download PDF

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Publication number
CN114221460A
CN114221460A CN202111584154.6A CN202111584154A CN114221460A CN 114221460 A CN114221460 A CN 114221460A CN 202111584154 A CN202111584154 A CN 202111584154A CN 114221460 A CN114221460 A CN 114221460A
Authority
CN
China
Prior art keywords
face gear
clutch
rotor
tooth
face
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.)
Pending
Application number
CN202111584154.6A
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Chinese (zh)
Inventor
郝广政
刘启龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Tiansheng Permanent Magnet Motor Co ltd
Original Assignee
Dalian Tiansheng Permanent Magnet Motor Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Tiansheng Permanent Magnet Motor Co ltd filed Critical Dalian Tiansheng Permanent Magnet Motor Co ltd
Priority to CN202111584154.6A priority Critical patent/CN114221460A/en
Publication of CN114221460A publication Critical patent/CN114221460A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a clutch type motor rotor structure, and belongs to the technical field of permanent magnet synchronous motors. The invention discloses a clutch type motor rotor structure, which comprises a rotor, a main shaft and a torque output clutch device arranged between the rotor and the main shaft in a clutch state, wherein the torque output clutch device comprises a rotor support end face gear, an internal tooth end face gear, an end face gear clutch bearing and an electromagnetic clutch slider, the internal tooth end face gear, the end face gear clutch bearing and the electromagnetic clutch slider are integrally arranged, the rotor support end face gear is in clutch fit with the internal tooth end face gear, the internal tooth end face gear and the main shaft are coaxially meshed and arranged together, the rotor support end face gear and the rotor are arranged together, and a first rotor support bearing and a second rotor support bearing which are used for supporting the rotor to idle are further arranged between the main shaft and the rotor. Compared with the prior art, the invention has the characteristics of simple structure, reliable performance, high stability and the like.

Description

Clutch type motor rotor structure
Technical Field
The invention belongs to the technical field of permanent magnet synchronous motors, and particularly relates to a clutch type motor rotor structure for a permanent magnet synchronous motor.
Background
In the permanent magnet synchronous motor equipment in the prior art, the common permanent magnet synchronous motor equipment has two structures, one is an inner rotor structure with a coil inside an outer permanent magnet, and the other is an outer rotor structure with a coil outside an inner permanent magnet; however, the permanent magnet synchronous motor with any structure has the common characteristic that compared with an asynchronous motor with the same specification and volume, the torque is large, and the required braking or non-return torque is large along with the large torque; however, in the current braking and backstopping field, the brake or backstop with large torque has larger volume, large occupied space and more expensive price along with the increase of the torque, and the structure also has changes, for example, a hydraulic brake needs to be matched with a hydraulic station with certain capacity, so that the purchasing cost is high, the occupied space is large, regular maintenance is needed, the fault point of the whole set of equipment is increased, and the maintenance cost of the whole set of equipment is improved.
Disclosure of Invention
The invention provides a separable motor rotor structure for effectively solving the technical problems.
The invention discloses a clutch type motor rotor structure, which comprises a rotor and a main shaft and is characterized by further comprising a torque output clutch device arranged between the rotor and the main shaft in a clutch state, wherein the torque output clutch device comprises a rotor support end face gear, an internal tooth end face gear, an end face gear clutch bearing and an electromagnetic clutch slider, the internal tooth end face gear, the end face gear clutch bearing and the electromagnetic clutch slider are integrally arranged, the rotor support end face gear is in clutch fit with the internal tooth end face gear, the internal tooth end face gear and the main shaft are coaxially meshed together, and the rotor support end face gear and the rotor are arranged together.
According to above separation and reunion formula motor rotor structure, it is preferred, be provided with on the spider face gear with internal tooth face gear matched with support end face tooth, be provided with on the internal tooth face gear with spider face gear matched with internal tooth end face tooth, support end face tooth with internal tooth end face tooth mutually supports the realization spider face gear with the separation and reunion between each other of internal tooth face gear.
According to above separation and reunion formula motor rotor structure, preferably, be provided with on the main shaft with internal tooth face gear matched with main shaft external gear, be provided with on the internal tooth face gear with main shaft matched with face gear internal gear, main shaft external gear with face gear internal gear intermeshing.
According to above separation and reunion formula motor rotor structure, preferably, electromagnetic clutch slider face gear clutch bearing with the internal tooth face gear coaxial setting, internal tooth face gear with face gear clutch bearing suit is connected, face gear clutch bearing with electromagnetic clutch slider suit is connected.
According to the clutch type motor rotor structure, preferably, the internal tooth face gear is connected with the inner ring of the face gear clutch bearing in a sleeved mode.
According to the above clutch motor rotor structure, preferably, the outer ring of the face gear clutch bearing is connected to the electromagnetic clutch slider in a fitted manner.
According to the above clutch motor rotor structure, preferably, a closing spring is provided between the electromagnetic clutch slider and the housing.
According to the above clutch type motor rotor structure, it is preferable that the number of the closing springs is 8.
According to the clutch type motor rotor structure, preferably, the end face gear of the rotor bracket is coaxially arranged with the rotor through a fastener.
According to the above clutch motor rotor structure, preferably, a first rotor support bearing and a second rotor support bearing for supporting the rotor to idle are further provided between the main shaft and the rotor.
Compared with the prior art, the invention has the characteristics of simple structure, reliable performance, high stability and the like. The torque output clutch device in the clutch type permanent magnet synchronous motor enables the rotor and the main shaft to be in a separable structure form, the rotor and the main shaft can relatively rotate together or rotate together, and the rotor and the main shaft can realize clutch switching between the motor main shaft and the motor rotor at any time through the torque output clutch device. When the permanent magnet synchronous motor needs to output the torque of the main shaft, the torque output clutch device is closed, and when the permanent magnet synchronous motor needs to be decelerated and braked or stopped, the torque output clutch device is separated; after the clutch device is separated, a transmission power source can be cut off, the permanent magnet synchronous motor enters an idle running state, and the main shaft of the motor is in a non-rotating free state, so that a better brake non-return state is provided for a brake or a non-return device, and meanwhile, the adopted or selected brake non-return equipment can be reduced in specification properly.
Drawings
FIG. 1A is a schematic diagram of a separated state structure of a permanent magnet synchronous motor with a separable motor rotor structure according to the present invention;
FIG. 1B is a schematic structural diagram of a closed state of a permanent magnet synchronous motor with a separable motor rotor structure according to the present invention;
FIG. 2A is a schematic diagram of the overall explosion structure of the PMSM of the present invention;
FIG. 2B is an exploded view of the rotor structure of the separable motor of the present invention;
FIG. 3A is an exploded view of the rotor structure of the separable motor of the present invention;
FIG. 3B is a schematic structural diagram of a spindle with external spindle gear according to the present invention;
FIG. 3C is a schematic structural view of an internally toothed face gear of the present invention;
FIG. 3D is a schematic structural view of a face gear of the spider of the present invention;
FIG. 4A is a first schematic diagram of a separated state structure of the rotor structure of the separable motor of the present invention;
FIG. 4B is a schematic diagram of a separated state structure of the rotor structure of the separable motor of the present invention;
FIG. 4C is a first schematic structural diagram of a separable motor rotor structure in a closed state according to the present invention;
fig. 4D is a structural schematic diagram of a separable motor rotor structure in a closed state according to the second embodiment of the present invention.
Detailed Description
FIG. 1A is a schematic diagram of a separated state structure of a permanent magnet synchronous motor with a separable motor rotor structure according to the present invention; FIG. 1B is a schematic structural diagram of a permanent magnet synchronous motor with a separable motor rotor structure in a closed state according to the present invention; the clutch type permanent magnet synchronous motor comprises a stator 4, a rotor 3, a main shaft 2 and a casing 5, wherein the rotor 3 is arranged on the main shaft 2, the stator 4 is arranged on the casing 5, the rotor 3 is arranged on the main shaft 2, the stator 4 is fixedly arranged in the casing 5, and the rotor 3 performs rotary motion relative to the stator 4; the clutch device comprises a main shaft 2, a torque output clutch device 1, a rotor support end face gear 101, an internal tooth end face gear 102, an end face gear clutch bearing 103 and an electromagnetic clutch slider 104, wherein the torque output clutch device 1 is connected with the main shaft 2 in a clutch state, the torque output clutch device 1 is arranged between the main shaft 2 and the rotor 3 in the clutch state, the torque output clutch device 1 can realize the separation state and the closing state between the main shaft 2 and the rotor 3, a first rotor support bearing 301 and a second rotor support bearing 302 are arranged between the main shaft 2 and the rotor 3, and the torque output clutch device 1 comprises the rotor support end face gear 101, the internal tooth end face gear 102, the end face gear clutch bearing 103 and the electromagnetic clutch slider 104.
Whether the rotor bracket face gear 101 and the internal tooth face gear 102 are in meshing transmission fit or not determines whether the rotor 3 outputs torque outwards or not; if the rotor bracket face gear 101 and the internal tooth face gear 102 are matched together, the rotor 3 can transmit torque to the main shaft 2, and the rotor 3 rotates together with the main shaft 2 to output torque outwards; if the rotor support face gear 101 is not matched with the internal tooth face gear 102, the rotor 3 only idles and cannot transmit torque to the main shaft 2, at this time, the rotor 3 with two ends arranged on the first rotor support bearing 301 and the second rotor support bearing 302 and the rotor support face gear 101 coaxially connected with the rotor 3 can only synchronously idle and move around the main shaft 2, the main shaft 2 cannot obtain any torque from the rotor 3, and the rotor 3 cannot output any torque to the outside under the working condition.
The internal tooth face gear 102 and the face gear clutch bearing 103 are connected together, the electromagnetic clutch slider 104 and the face gear clutch bearing 103 are connected together, the internal tooth face gear 102, the face gear clutch bearing 103 and the electromagnetic clutch slider 104 form a whole, and the internal tooth face gear 102, the face gear clutch bearing 103 and the electromagnetic clutch slider 104 move left and right along the axial direction of the spindle 2 integrally, so that meshing transmission matching between the rotor support face gear 101 and the internal tooth face gear 102 is realized. After the electromagnetic clutch slider 104 is electrified, the electromagnetic force acts on the electromagnetic clutch slider 104 to overcome the elastic force of a spring, or the electromagnetic clutch slider 104 is not influenced by the electromagnetic force and only influenced by the spring force, so that the internal tooth face gear 102 and the face gear clutch bearing 103 are driven to reciprocate left and right along the main shaft 2; as shown in fig. 1A, when the electromagnetic clutch slider 104 is acted by electromagnetic force and overcomes the spring force, and the electromagnetic clutch slider 104 drives the internal-tooth face gear 102 and the face gear clutch bearing 103 to move leftward along the main shaft 2, the rotor support face gear 101 and the internal-tooth face gear 102 are disengaged from each other; as shown in fig. 1B, the electromagnetic clutch slider 104 is not acted by electromagnetic force but acted by spring force, the electromagnetic clutch slider 104 drives the internal-tooth face gear 102 and the face gear clutch bearing 103 to be integrally located on the right side of the spindle 2, the rotor frame face gear 101 and the internal-tooth face gear 102 are engaged and contacted together, the face gear clutch bearing 103 is arranged behind the electromagnetic clutch slider 104, and a bearing retainer ring for holes is arranged in the electromagnetic clutch slider 104 for limiting and fixing the face gear clutch bearing 103.
No matter whether the rotor 3 outputs torque outwards or not, the end face gear 1022 on the internal-tooth end face gear 102 and the main shaft external gear 201 on the main shaft 2 are meshed and matched all the time, meanwhile, the internal-tooth end face gear 102 moves transversely left and right along the axial direction of the main shaft 2 under the driving action of the electromagnetic force of the electromagnetic clutch slider 104 and the spring resistance action of the closing spring 105 overcome by the driving action of the electromagnetic force of the internal-tooth end face gear 102, the internal-tooth end face gear 1022 on the internal-tooth end face gear 102 is meshed with the main shaft external gear 201 on the main shaft 2 all the time, the tooth surface of the main shaft external gear 201 is longer than that of the internal-tooth end face gear 1022, the internal-tooth end face gear 1022 can slide left and right relative to the main shaft external gear 201, and meanwhile, the internal-tooth end face gear 102 can slide left and right relative to the main shaft 2 to enable the rotor support end face gear 101 and the internal-tooth end face gear 102 to be meshed and meshed with each other. If the internal-tooth face gear 102 moves to be meshed and matched with the rotor bracket face gear 101 under the action of the electromagnetic clutch slider 104 to obtain output torque, the internal-tooth face gear 102 can simultaneously drive the main shaft 2 to synchronously rotate to output torque to the outside; if the electromagnetic clutch slider 104 does not act on the internal-tooth face gear 102 to realize that the internal-tooth face gear 102 is meshed with the rotor support face gear 101, the internal-tooth face gear 102 cannot obtain output torque at the moment, the internal-tooth face gear 102 and the main shaft 2 are kept static synchronously, and the main shaft 2 cannot output the output torque of the rotor 3 to the outside under the working condition. As shown in the figure, when the internal-tooth face gear 102 slides to the left side of the main shaft 2, the rotor support face gear 101 and the internal-tooth face gear 102 are separated from contact, the rotor 3 and the internal-tooth face gear 102 only idle and the rotor 3 cannot transmit torque to the main shaft 2, the rotor 3 and the internal-tooth face gear 102 arranged on the first rotor support bearing 301 and the second rotor support bearing 302 idle around the main shaft 2, and the main shaft 2 cannot output any torque outwards at this time; when the internal-tooth face gear 102 slides to the right position relative to the main shaft 2 as shown in the figure, the rotor support face gear 101 and the internal-tooth face gear 102 are contacted together, the rotor 3 transmits the torque to the main shaft 2 through the rotor support face gear 101 and the internal-tooth face gear 102 which are only matched together, and the rotor 3 and the main shaft 2 rotate together to transmit the torque to the outside.
The rotor bracket end face gear 101 is provided with bracket end face teeth 1011 matched with the internal tooth end face gear 102, and the internal tooth end face teeth 1021 matched with the rotor bracket end face gear 101 are arranged on the internal tooth end face gear 102; the rotor spider face gear 101 is provided with spider face teeth 1011 which are matched with the inner teeth face teeth 1021 on the inner teeth face gear 102, and the inner teeth face gear 102 is provided with inner teeth face teeth 1021 which are matched with the spider face teeth 1011 on the rotor spider face gear 101. When the internal gear 1022 on the internal-tooth face gear 102 can slide left and right along the external spindle gear 201 on the spindle 2, the end face teeth 1011 and the internal-tooth end face teeth 1021 on the bracket are matched with each other; when the face gear internal gear 1022 on the internally toothed face gear 102 can slide to the left along the main shaft external gear 201 on the main shaft 2 as shown in fig. 1A, the bracket face teeth 1011 and the internally toothed face teeth 1021 are disengaged from contact; when the internal face gear 1022 on the internal-tooth face gear 102 can slide to the right along the external spindle gear 201 on the spindle 2 as shown in fig. 1B, the bracket face teeth 1011 and the internal-tooth face teeth 1021 realize meshing contact fit, and the rotor bracket face gear 101 and the internal-tooth face gear 102 effectively cooperate with each other to realize the separation state and the closing state between the spindle 2 and the rotor 3, so that the permanent magnet synchronous motor has a clutch function.
The housing 5 comprises a housing body 501, a first housing end cover 502 and a second housing end cover 503; the first casing end cover 502 and the second casing end cover 503 are respectively arranged at two ends of the casing body 501, the first casing end cover 502 can be arranged at one end of the casing body 501 through a fastening bolt, and the second casing end cover 503 can be arranged at the other end of the casing body 501 through a fastening bolt; the first housing end cover 502 and the second housing end cover 503 are respectively provided with a first end cover bearing 303 and a second end cover bearing 304, the first housing end cover 502, the second housing end cover 503, the first end cover bearing 303, the second end cover bearing 304 are coaxially arranged with the spindle 2, and the first housing end cover 502 and the second housing end cover 503 are respectively provided with a first end cover bearing 303 and a second end cover bearing 304 for supporting the spindle 2. A sliding component limiting chamber 5021 for accommodating the electromagnetic clutch slider 104 is arranged on the first machine shell end cover 502, and the electromagnetic clutch slider 104 drives the internal tooth face gear 102 and the face gear clutch bearing 103 to integrally slide left and right in the sliding component limiting chamber 5021; be provided with the closed spring 105 of 8 equipartitions among the spacing chamber 5021 of slider, according to actual motor model difference, the closed spring 105 quantity of equipartition among the spacing chamber 5021 of slider can suitably be adjusted.
Fig. 2A is a schematic diagram of the overall explosion structure of the permanent magnet synchronous motor of the present invention; FIG. 2B is an exploded view of the rotor structure of the separable motor of the present invention; FIG. 3A is an exploded view of the rotor structure of the separable motor of the present invention; FIG. 3B is a schematic structural diagram of a spindle with external spindle gear according to the present invention; a first rotor support bearing 301 and a second rotor support bearing 302 on the main shaft 2 are used for arranging two ends of the rotor 3, and the rotor 3 can rotate in an idle rotation mode through a common rotation axis of the main shaft 2, the first rotor support bearing 301 and the second rotor support bearing 302; the first end cap bearing 303 and the second end cap bearing 304 on the main shaft 2 are used for arranging the main shaft 2 on the housing 5, and the main shaft 2 and the rotor 3 can rotate together with a common revolution axis of the main shaft 2, the first end cap bearing 303 and the second end cap bearing 304 to output torque outwards.
FIG. 3C is a schematic structural view of the internally toothed face gear of the present invention; FIG. 3D is a schematic structural view of a face gear of the rotor spider of the present invention; the rotor bracket end face gear 101 is provided with bracket end face teeth 1011 matched with the internal tooth end face gear 102, and the internal tooth end face teeth 1021 matched with the rotor bracket end face gear 101 are arranged on the internal tooth end face gear 102; the rotor bracket end face gear 101 is provided with bracket end face teeth 1011 matched with the inner tooth end face teeth 1021, the inner tooth end face teeth 1021 matched with the bracket end face teeth 1011 arranged on the inner tooth end face gear 102 are effectively matched with each other to realize a separation state and a closing state between the main shaft 2 and the rotor 3, so that the permanent magnet synchronous motor has an automatic clutch function. The face gear internal gear 1022 on the internally toothed face gear 102 can slide left and right along the main shaft external gear 201 on the main shaft 2, so that the bracket face teeth 1011 and the internally toothed face teeth 1021 perform a mutual cooperation.
The rotor bracket end face gear 101 is provided with bracket end face teeth 1011 matched with the inner tooth end face teeth 1021, the inner tooth end face teeth 1021 matched with the bracket end face teeth 1011 arranged on the inner tooth end face gear 102 are effectively matched with each other to realize a separation state and a closing state between the main shaft 2 and the rotor 3, so that the permanent magnet synchronous motor has a clutch function. The face gear internal gear 1022 on the internally toothed face gear 102 can slide left and right along the main shaft external gear 201 on the main shaft 2, so that the holder face teeth 1011 and the internally toothed face teeth 1021 are engaged with or not engaged with each other.
FIG. 4A is a first schematic diagram illustrating a separated state of a rotor structure of a separable motor according to the present invention; FIG. 4B is a schematic diagram of a detachable rotor structure of the detachable motor according to the present invention; as shown in fig. 4A and 4B, the internal face gear 1022 on the internal-tooth face gear 102 may slide to the left along the external spindle gear 201 on the spindle 2, at this time, the electromagnetic clutch slider 104 obtains external power, the electromagnetic force released by the electromagnetic clutch slider 104 overcomes the elastic force of the closing spring 105, so that the electromagnetic clutch slider 104, the face gear clutch bearing 103 and the internal-tooth face gear 102 integrally slide to the left along the axial direction of the spindle 2, the closing spring 105 is in a compressed state at this time, so that the bracket end face teeth 1011 and the internal-tooth end face teeth 1021 are disengaged, and the bracket end face teeth 1011 and the internal-tooth end face teeth 1021 are disengaged, so that the spindle 2 and the rotor 3 are in a disengaged state.
The electromagnetic clutch slider 104 is matched with the outer gear ring of the face gear clutch bearing 103, and the electromagnetic clutch slider 104 and the outer gear ring of the face gear clutch bearing 103 do not rotate circumferentially relative to the main shaft 2 as a whole; when the internal tooth end face teeth 1021 are matched with the internal gear ring of the end face gear clutch bearing 103, and the support end face teeth 1011 are not in contact fit with the internal tooth end face teeth 1021, the internal tooth end face teeth 1021 and the internal gear ring of the end face gear clutch bearing 103 are integrally in torque output without rotating with the main shaft 2, and the internal tooth end face teeth 1021, the internal gear ring of the end face gear clutch bearing 103 and the main shaft 2 are synchronously kept static.
FIG. 4C is a schematic view of the separable rotor structure of the motor according to the first embodiment of the present invention; FIG. 4D is a schematic structural diagram of the separable motor rotor structure in a closed state according to the present invention; the bracket end face teeth 1011 matched with the inner tooth end face teeth 1021 arranged on the rotor bracket end face gear 101 and the inner tooth end face teeth 1021 matched with the bracket end face teeth 1011 arranged on the inner tooth end face gear 102 are effectively matched with each other to realize a clutch function, and the torque output clutch device 1 can realize a separation state and a closing state between the main shaft 2 and the rotor 3. The internal gear 1022 on the internal-tooth face gear 102 can slide left and right along the external spindle gear 201 on the spindle 2, so that the bracket face teeth 1011 and the internal-tooth face teeth 1021 are matched with each other, and the bracket face teeth 1011 and the internal-tooth face teeth 1021 are effectively meshed together in fig. 4C and 4D, so that the spindle 2 and the rotor 3 are in a closed state.
As shown in fig. 4C and 4D, the internal face gear 1022 on the internal-tooth face gear 102 can slide to the right along the external spindle gear 201 on the spindle 2, and the electromagnetic clutch slider 104 can overcome the elastic force of the 8 closing springs 105 without electromagnetic force to make the internal-tooth face gear 102 and the rotor frame face gear 101 closely engaged, and the closing springs 105 are in an extended state at this time, so that the frame face teeth 1011 and the internal-tooth face teeth 1021 are in contact fit.
The electromagnetic clutch slider 104 is matched with the outer gear ring of the face gear clutch bearing 103, and the electromagnetic clutch slider 104 and the outer gear ring of the face gear clutch bearing 103 do not rotate circumferentially relative to the main shaft 2 as a whole; the internal tooth end face teeth 1021 are matched with the inner gear ring of the end face gear clutch bearing 103, when the support end face teeth 1011 and the internal tooth end face teeth 1021 are in contact matching, the internal tooth end face teeth 1021 and the inner gear ring of the end face gear clutch bearing 103 can rotate integrally together with the main shaft 2 to output torque to the outside, and the internal tooth end face teeth 1021, the inner gear ring of the end face gear clutch bearing 103 and the main shaft 2 rotate synchronously.

Claims (10)

1. A clutch type motor rotor structure comprises a rotor (3) and a main shaft (2), characterized in that the device also comprises a torque output clutch device (1) which is arranged between the rotor (3) and the main shaft (2) in a clutch state, the torque output clutch device (1) comprises a rotor bracket face gear (101), an internal tooth face gear (102), a face gear clutch bearing (103) and an electromagnetic clutch slider (104), the internal-tooth face gear (102), the face gear clutch bearing (103), and the electromagnetic clutch slider (104) are integrally provided, the rotor bracket face gear (101) is in clutch fit with the internal tooth face gear (102), the internal-tooth face gear (102) and the main shaft (2) are coaxially meshed together, the rotor support face gear (101) is arranged together with the rotor (3).
2. The clutch type motor rotor structure according to claim 1, characterized in that a bracket end face tooth (1011) matched with the inner-tooth end face gear (102) is arranged on the rotor bracket end face gear (101), an inner-tooth end face tooth (1021) matched with the rotor bracket end face gear (101) is arranged on the inner-tooth end face gear (102), and the bracket end face tooth (1011) and the inner-tooth end face tooth (1021) are matched with each other to realize the clutch between the rotor bracket end face gear (101) and the inner-tooth end face gear (102).
3. The clutch type motor rotor structure according to claim 1, characterized in that the main shaft (2) is provided with an external main shaft gear (201) which is matched with the internal-tooth face gear (102), the internal-tooth face gear (102) is provided with an internal face gear (1022) which is matched with the main shaft (2), and the external main shaft gear (201) and the internal face gear (1022) are meshed with each other.
4. Clutch motor rotor structure according to claim 1, wherein the electromagnetic clutch slide (104), the face gear clutch bearing (103) and the internally toothed face gear (102) are coaxially arranged, the internally toothed face gear (102) being in a nested connection with the face gear clutch bearing (103), the face gear clutch bearing (103) being in a nested connection with the electromagnetic clutch slide (104).
5. Clutch motor rotor construction according to claim 4, characterised in that the internally toothed face gear (102) is telescopically connected with the inner ring of the face gear clutch bearing (103).
6. Clutch motor rotor arrangement according to claim 4, wherein the outer ring of the face gear clutch bearing (103) is telescopically connected to the electromagnetic clutch slide (104).
7. Clutch motor rotor structure according to claim 1, wherein a closing spring (105) is arranged between the electromagnetic clutch slide (104) and the casing (5).
8. Clutch motor rotor structure according to claim 7, wherein the number of closing springs (105) is 8.
9. A clutch motor rotor structure according to claim 1, characterized in that said rotor holder face gear (101) is arranged coaxially with said rotor (3) by means of fasteners.
10. Clutch motor rotor structure according to claim 1, wherein a first rotor support bearing (301) and a second rotor support bearing (302) for supporting the rotor (3) in idle rotation are further provided between the main shaft (2) and the rotor (3).
CN202111584154.6A 2021-12-23 2021-12-23 Clutch type motor rotor structure Pending CN114221460A (en)

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CN202111584154.6A CN114221460A (en) 2021-12-23 2021-12-23 Clutch type motor rotor structure

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