CN204778533U - Magneto installs electric block inside - Google Patents

Magneto installs electric block inside Download PDF

Info

Publication number
CN204778533U
CN204778533U CN201520183611.4U CN201520183611U CN204778533U CN 204778533 U CN204778533 U CN 204778533U CN 201520183611 U CN201520183611 U CN 201520183611U CN 204778533 U CN204778533 U CN 204778533U
Authority
CN
China
Prior art keywords
main shaft
magneto
machine main
end cap
electric machine
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.)
Active
Application number
CN201520183611.4U
Other languages
Chinese (zh)
Inventor
彭祖军
喻林
喻晓号
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.)
JIANGXI GONG BU MACHINERY Co Ltd
Original Assignee
JIANGXI GONG BU MACHINERY 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 JIANGXI GONG BU MACHINERY Co Ltd filed Critical JIANGXI GONG BU MACHINERY Co Ltd
Priority to CN201520183611.4U priority Critical patent/CN204778533U/en
Application granted granted Critical
Publication of CN204778533U publication Critical patent/CN204778533U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a magneto installs electric block inside, including reel, motor and reduction gear, the reel supporting is in the both ends of motor casing, the motor is located pass through in the reel the reduction gear with drum transmission connects, the motor is toper rotor direct current permanent magnetism brake motor, and the rotational speed is 200rmin -900rmin, and the adoption tapering unshakable in one's determination of motor is 6 -14's toper, and motor spindle supports in left and right motor end cover through left and right main shaft bearing play, is equipped with the spring thrust device between rotor core and the left motor end cover, and the motor braking ware is a friction formula stopper, and braking moment is 50Nm -2000Nm. The utility model discloses small, light in weight, material consumption is few, the noise is low, system dynamic stability and security are good.

Description

The in-built electric block of magneto
Technical field
The utility model relates to the in-built electric block of a kind of magneto.
Background technology
Existing electric block all adopts AC excited motor, and this electrical motor is arranged on outside reel, drives reel work by the reductor of large transfer ratio, and need to arrange special drg, when electrical motor works, drg is in the state of opening a sluice gate, when electrical motor does not work, drg, by system stop, avoids reel to rotate, prevent lifted weight from dropping under gravity, this electric block complex structure, volume is large, weight is large, high material consumption, and noise is high, and insensitivity is not good.
Utility model content
The purpose of this utility model is to provide the electric block that a kind of volume is little, lightweight, material consumption is few, noise is low, insensitivity is good.
The technical solution of the utility model is: the in-built electric block of a kind of magneto, comprise reel, electrical motor and retarder, a left side for described reel, right two ends are installed with a left side respectively, right reel bracket, a described left side, right reel bracket is respectively by a left side, right reel bearing is supported on the motor case of described electrical motor, described electrical motor is positioned at described reel and coaxial with described reel, described electrical motor is in transmission connection by described retarder and described reel, described electrical motor is cone rotor DC permanent magnet brake motor, described cone rotor DC permanent magnet brake motor also comprises electric machine main shaft, stator core, rotor core and electromotor brake, a left side for described motor case, right two ends are respectively equipped with left electric motor end cap and right electric motor end cap, described electric machine main shaft is by left, right main shaft bearing play is supported on a described left side, right electric motor end cap, described rotor core is positioned at described stator core, be fixedly mounted on described electric machine main shaft, the lateral surface of described rotor core and the medial surface of described stator core are all in cone-shaped, spring thrust device is provided with between the left end of described rotor core and described left electric motor end cap, the left end of described electric machine main shaft extends to outside described left electric motor end cap, described electromotor brake is frictin braek, comprise the dynamic brake component and customization moving part that complement one another, described dynamic brake component is fixedly mounted on the electric machine main shaft that is positioned at outside described left electric motor end cap, described customization moving part is fixedly connected with described left electric motor end cap, the rotating speed of electrical motor is preferably 200r/min-900r/min.
Principle of work of the present utility model and beneficial effect are: owing to have employed the actuating device of DC permanent magnet motor as reel, speed-regulating range width, volume is little, and exert oneself large, noise is low, and it is convenient to control, because the volume of DC permanent magnet motor is little, can be arranged in reel, greatly less thus small product size, reduces space hold, is conducive to in-site installation and operation, because DC permanent magnet motor used has braking function, therefore without the need to arranging drg separately, when electrical motor no power works, rotor core pushes away to the right by the spring thrust device in electrical motor, and then moved right by the dynamic brake component of electric machine main shaft drive motor drg, until be pressed on the customization moving part that is positioned on the right side of dynamic brake component, rely on dynamic, friction drag stop electric machine main shaft between customization moving part also makes it keep motionless, when after electrical motor energising work, fixed, electromagnetic force between rotor has an axial component left, rotor core pushes away left by the thrust that this axial component overcomes spring thrust device, and then drive dynamic brake component to move to left by electric machine main shaft, depart from the contact between customization moving part, electromotor brake is made to be in the state of opening a sluice gate, do not affect the normal work of electrical motor, owing to becoming the braking to primary mover by under prior art to the braking of power element, not only brake more reliable, also reduce waste of power unnecessary between primary mover to power element and mechanical wear, owing to relying on the application force of spring/spring assembly promptly can realize braking when not working, retro-speed is fast, good reliability, even if also effectively can realize braking under the particular cases such as accident power-off, which thereby enhances safety, due to the speed-regulating range width of direct current permanent magnet motor, and allow to run under lower rotating speed, effectively can reduce the speed governing requirement to retarder thus, simplify the structure of retarder, reduce the volume and weight of retarder, and then reduce small product size and material cost further, rotating speed due to this electrical motor can be 200r/min-900r/min, the requirement of electric block to rotating speed can be adapted to better, and driver is significantly simplified, and then simplify the overall structure of lifting mechanism further, reduce the weight of lifting mechanism, volume and energy consumption.The utility model mainly can be used for various suitable weight-lifting equipment and similar applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the winding configuration figure under the fractional-slot of the cone rotor DC permanent magnet brake motor that relates to of the utility model in 36 groove 8 poles coordinates.
Detailed description of the invention
See Fig. 1 and Fig. 2, the in-built electric block of magneto disclosed in the utility model comprises reel 510, electrical motor and retarder 410, a left side for described reel, right two ends are installed with a left side respectively, right reel bracket 514, 513, a described left side, right reel bracket is respectively by a left side, right reel bearing is supported on the motor case 210 of described electrical motor, described electrical motor is positioned at described reel and coaxial with described reel (axis of electric machine main shaft is overlapping with the rotation axis of reel), described electrical motor is in transmission connection by described retarder and described reel, to drive spool turns, described electrical motor is cone rotor DC permanent magnet brake motor and is provided with described motor case, described cone rotor DC permanent magnet brake motor also comprises electric machine main shaft 110, stator core 220, rotor core 122 and electromotor brake, a left side for described motor case, right two ends are respectively equipped with left electric motor end cap 212 and right electric motor end cap 211, described electric machine main shaft is by left, right main shaft bearing axle 114, 112 are supported on a described left side to travelling, right electric motor end cap, described rotor core is positioned at described stator core, be fixedly mounted on described electric machine main shaft, the lateral surface of described rotor core and the medial surface of described stator core are all in cone-shaped, spring thrust device is provided with between the left end of described rotor core and described left electric motor end cap, the left end of described electric machine main shaft extends to outside described left electric motor end cap, described electromotor brake is frictin braek, comprise the dynamic brake component 310 and customization moving part 320 that complement one another, described dynamic brake component is fixedly mounted on the electric machine main shaft that is positioned at outside described left electric motor end cap, described customization moving part is fixedly connected with described left electric motor end cap, the outside of described electromotor brake can be provided with electromotor brake cover 231.Because electrical motor have employed cone rotor, fixed after energising, electromagnetic force between rotor has an axial component left, rotor core pushes away left by the thrust that this axial component overcomes spring thrust device, brake component is separated from each other with customization moving part, drg is opened a sluice gate, rotor is able to normal rotation, and be with movable reel to rotate, fixed after power-off, electromagnetic force between rotor disappears, rotor core pushes away to the right by spring thrust device, the friction face of brake component is made to contact with each other with the friction face of customization moving part and have certain brake-pressure, rely on moving between dynamic brake component and customization moving part, static friction force is by motor stop, and then by reel stop.
Preferably, grooving 512 is arranged on the lateral surface of described reel, to be adapted to Wound steel rope.
Preferably, the rotating speed (spindle speed) of this electrical motor is 200r/min-900r/min, to adapt to the rate request of electric block.
Preferably, described spring thrust device is the disc spring combination be made up of some disc springs 330, with when ensureing enough braking forces, reducing the space hold of spring thrust device, being adapted to be arranged on motor internal.
Preferably, each disc spring in described disc spring combination successively phase ground connection is set on the electric machine main shaft between described rotor core left end and described left electric motor end cap, to simplify the mounting structure of spring thrust device, under the state that described dynamic brake component and customization moving part contact with each other, described disc spring combination should be in compressive state, under ensureing braking mode, provide enough braking forces.By regulating size and the part spacing of corresponding, the such as dynamic axial installation site of brake component on electric machine main shaft, under making the braking mode of mutually pressing at dynamic brake component and customization moving part, described disc spring combination still has certain amount of compression, there is provided enough braking forces to electromotor brake, relevant design can according to existing techniques in realizing.
Alternatively, the left and right two ends of described disc spring combination can directly contact with described left electric motor end cap and described rotor core respectively, also can by middleware respectively with described left electric motor end cap and described rotor core indirect contact, or one end is directly contact, and the other end is indirect contact.
For being adapted to the usage condition of crane hoisting mechanism or electric block etc. better, lock torque is preferably 50N/m-2000N/m, stopping distance (stopping distance of disc spring combination) is preferably 2 millimeters, the stopping distance of described disc spring combination for become complete braking mode from motor normal working process described in the distance that moves axially of disc spring combination presumption rotor core and electric machine main shaft, move axially distance namely from dynamic brake component described in the process that motor normal working becomes complete braking mode.
Preferably, described electromotor brake is conical friction drg, described dynamic brake component is cone-shaped (side view of frustum) with mutually corresponding friction face on customization moving part, to adapt with the mode of operation of electrical motor, under certain volume, obtains better braking effect.
Preferably, described dynamic brake component and/or described customization moving part are provided with friction lining 311, and the friction face of described friction lining forms the friction face of corresponding dynamic brake component and/or customization moving part.When after friction disc wear, the replacing of friction lining can be carried out, to reduce maintenance cost, correspondingly, dynamic, to customize moving part main body and friction lining material can be selected according to prior art, improve service life that is dynamic, customization moving part main body.
Preferably, described left and right main shaft bearing is cylindrical slid bearing, to adapt to travelling support needs better, allow the bearing arrangement that moves axially by adopting and/or allow the bearing mounting means moved axially to enable electric machine main shaft carry out the displacement of suitable degree in the axial direction, to allow the change in location realizing described electric machine main shaft under described rotor core and dynamic brake component are in braking and work two states.
Preferably, the right side of described left main shaft bearing is also provided with thrust baring 113, to carry rotor axial force left, limit rotor maximum moving distance left, the outer ring that described thrust baring is bearing in described left main shaft bearing does not contact with the inner ring of described left main shaft bearing, thus define the scope that moves to left of described electric machine main shaft and do not hinder electric machine main shaft moving axially in limited range, and, the limit that moves to right of dynamic brake component limits by customization moving part, when dynamic brake component with determine after shoe pressure contacts, described dynamic brake component can not move right, thus define scope that electric machine main shaft moves to right and do not hinder electric machine main shaft moving axially in limited range.
Described stator core is provided with stator slot and is embedded with coil.
For reducing electrical motor volume and weight further, improve electromagnetic performance, noise-decreasing, raising is exerted oneself, and ensures the axial component of electromagnetic force and then ensures enough braking forces, ensures motor reliability of operation,
Preferably, the stator slot of described stator core and coil structure adopt the fractional-slot of 36 groove 8 poles to coordinate.
Preferably, coil adopts the distribution form that large small coil replaces.
Preferably, the pitch of described large coil is 4, and the pitch of small coil is 3, and the number of turn of large coil is 2 times (shown in Figure 2) of the small coil number of turn.
Preferably, described rotor core is provided with surface-mount type permanent magnet 123.
Preferably, the pole embrace of (containing end value) between 0.75-0.95 is adopted.
Preferably, the magnetizing direction of described permanent magnet is perpendicular to its conical surface.
Preferably, described permanent magnet angle is diametrically a constant value.
Preferably, the circumferential edge of described permanent magnet is overlapping with the bus on taper surperficial relevant position unshakable in one's determination.
Preferably, the tapering of described rotor core is 6-14 °, according to the experiment of applicant, under the combination of the above-mentioned each optimization technique means relating to stator and rotor electromagnetic performance, under the application scenarios such as crane hoisting mechanism, only can obtain the electromagnetic force axial component being enough to meet brake request when realizing electrical motor and effectively running under the rotor core tapering of 6-14 °.
Preferably, described permanent magnet adopts magnetic property to be not less than the Nd-Fe-B rare earth permanent magnetic material of SH, UH, EH trade mark.
Preferably, the mounting means of described left and right reel bracket on described motor case is: described left electric motor end cap is provided with the reel linkage section extended out left, described left reel bearing is arranged on the reel linkage section of described left electric motor end cap, described right electric motor end cap is provided with the reel linkage section extended out to the right, described right reel bearing is arranged on the reel linkage section of described right electric motor end cap, and the left and right two ends of described electric machine main shaft are each passed through the spindle through-hole on the reel linkage section of described left and right electric motor end cap.
Preferably, the outside of described reel is covered with cucurbit shell 610, the bottom of described cucurbit shell is provided with the open region of passing for steel rope etc., to ensure the work not hindering steel rope etc., the left wall of described cucurbit shell is fixedly mounted on described left electric motor end cap, (position relationship is in the axial direction referred to) between described left reel bracket and described dynamic brake component, the left wall of described cucurbit shell to be enclosed within described electric machine main shaft and and leave gap between described electric machine main shaft, to avoid the obstruction of rotating electric machine main shaft, connection mode described in the Zuo Biyu of described cucurbit shell between left electric motor end cap can be provided with the lock collar 612 of rotarying connection with described left electric motor end cap on the left of it, be fastened on the left side of described left electric motor end cap by described lock collar, described customization moving part is fixedly mounted on the left surface of the left wall of described cucurbit shell.
Preferably, the arrester cover of described electromotor brake is positioned at the right side of described cucurbit shell and is fixedly connected with described cucurbit shell.
Preferably, the right-hand member of described electric machine main shaft extends out from described right electric motor end cap and connects the input shaft 411 of described retarder, the output shaft 413 of described retarder is hollow output shaft and is enclosed within the outside of the input shaft of described retarder, connected by axial spline housing 431 between the input shaft of described electric machine main shaft and described retarder, the input shaft of described electric machine main shaft and described retarder is respectively from a left side for described spline housing, right two ends insert described spline housing and with described spline housing spline joint, electric machine main shaft is made to be able to drive the input shaft of retarder rotate and allow electric machine main shaft to have certain movement in the axial direction relative to spline housing by spline housing thus, described spline housing is positioned at the right side of described right electric motor end cap and is fixedly connected with described right electric motor end cap, the output shaft of described retarder is provided with the external gear for exporting, described right reel bracket be provided with on the output shaft of described retarder for internally toothed annulus 421 that the external gear exported is meshed.Such as, the fluted disc 422 of a band inner circle can be fixedly mounted on the right side of described right reel bracket, described internally toothed annulus is fixedly installed in the inner circle of described fluted disc.
Preferably, the right wall of described cucurbit shell is provided with reducer output shaft mounting hole, the output shaft of described retarder is arranged on described reducer output shaft mounting hole by reducer output shaft bearing, and the internally toothed annulus on described right reel bracket, described right reel bracket and the output shaft of described retarder be all positioned at described cucurbit shell for the external gear exported.
Preferably, described retarder can be positioned at the same side with output shaft and the retarder of any suitable such as the identical epicyclic reduction gear of rotation axis or cycloidal reducer for its input shaft.
Preferably, described electric machine main shaft is also connected with coder 710.
Preferably, described coder is arranged on the left side of the left wall of described cucurbit shell, and its connecting element is fixedly connected with the left wall of described cucurbit shell, and revolving part is coaxial with described electric machine main shaft and be fixedly connected with described electric machine main shaft.
Preferably, the space that the left wall that described coder is positioned at described customization moving part and described cucurbit shell surrounds.
Be in transmission connection alleged by the utility model the connection mode referring to and can realize transmission.
Left and right directions alleged by the utility model is the axis of electric machine main shaft, alleged left and right only for stating the relative position relation of associated part, does not form restriction reality being used to orientation.
Disclosed in the utility model each preferably and alternatives means, unless otherwise indicated and optimization technique means be outside the further restriction of another technological means, all can combination in any, form some different technical schemes.

Claims (23)

1. the in-built electric block of magneto, comprise reel, electrical motor and retarder, a left side for described reel, right two ends are installed with a left side respectively, right reel bracket, a described left side, right reel bracket is respectively by a left side, right reel bearing is supported on the motor case of described electrical motor, described electrical motor is positioned at described reel and coaxial with described reel, described electrical motor is in transmission connection by described retarder and described reel, described electrical motor is cone rotor DC permanent magnet brake motor, described cone rotor DC permanent magnet brake motor also comprises electric machine main shaft, stator core, rotor core and electromotor brake, a left side for described motor case, right two ends are respectively equipped with left electric motor end cap and right electric motor end cap, described electric machine main shaft is by left, right main shaft bearing play is supported on a described left side, right electric motor end cap, described rotor core is positioned at described stator core, be fixedly mounted on described electric machine main shaft, the lateral surface of described rotor core and the medial surface of described stator core are all in cone-shaped, spring thrust device is provided with between the left end of described rotor core and described left electric motor end cap, the left end of described electric machine main shaft extends to outside described left electric motor end cap, described electromotor brake is frictin braek, comprise the dynamic brake component and customization moving part that complement one another, described dynamic brake component is fixedly mounted on the electric machine main shaft that is positioned at outside described left electric motor end cap, described customization moving part is fixedly connected with described left electric motor end cap.
2. the in-built electric block of magneto as claimed in claim 1, is characterized in that the rotating speed of electrical motor is 200r/min-900r/min.
3. the in-built electric block of magneto as claimed in claim 1, it is characterized in that described spring thrust device is the disc spring combination be made up of some disc springs, each disc spring in described disc spring combination successively phase ground connection is set on the electric machine main shaft between described rotor core left end and described left electric motor end cap, under the state that described dynamic brake component and customization moving part contact with each other, described disc spring combination is in compressive state.
4. the in-built electric block of magneto as claimed in claim 2, it is characterized in that lock torque is 50N/m-2000N/m, stopping distance is 2 millimeters.
5. the in-built electric block of magneto as claimed in claim 3, is characterized in that described electromotor brake is conical friction drg, and described dynamic brake component is cone-shaped with mutually corresponding friction face on customization moving part.
6. the in-built electric block of magneto as claimed in claim 5, is characterized in that described dynamic brake component and/or described customization moving part are provided with friction lining, and the friction face of described friction lining forms the friction face of corresponding dynamic brake component and/or customization moving part.
7. the in-built electric block of magneto as described in claim 1,2,3,4,5 or 6, is characterized in that described left and right main shaft bearing is cylindrical slid bearing.
8. the in-built electric block of magneto as claimed in claim 7, it is characterized in that, the right side of described left main shaft bearing is also provided with thrust baring, and the outer ring that described thrust baring is bearing in described left main shaft bearing does not contact with the inner ring of described left main shaft bearing.
9. the in-built electric block of magneto as described in claim 1,2,3,4,5 or 6, it is characterized in that described stator core is provided with stator slot and is embedded with coil, the stator slot of described stator core and coil structure adopt the fractional-slot of 36 groove 8 poles to coordinate, the distribution form that coil adopts large small coil to replace, wherein the pitch of large coil is 4, the pitch of small coil is 3, and the number of turn of large coil is 2 times of the small coil number of turn.
10. the in-built electric block of magneto as claimed in claim 9, it is characterized in that described rotor core is provided with surface-mount type permanent magnet, pole embrace is between 0.75-0.95, the magnetizing direction of described permanent magnet is perpendicular to its conical surface, the tapering of described rotor core is 6-14 °, and the circumferential edge of described permanent magnet is overlapping with the bus on taper surperficial relevant position unshakable in one's determination.
The in-built electric block of 11. magneto as claimed in claim 10, is characterized in that described permanent magnet magnetic performance is not less than the Nd-Fe-B rare earth permanent magnetic material of SH, UH, EH trade mark.
The in-built electric block of 12. magneto as claimed in claim 10, it is characterized in that the outside of described reel is covered with cucurbit shell, the left wall of described cucurbit shell is fixedly mounted on described left electric motor end cap, between described left reel bracket and described dynamic brake component, the left wall of described cucurbit shell to be enclosed within described electric machine main shaft and and leave gap between described electric machine main shaft, described customization moving part is fixedly mounted on the left surface of the left wall of described cucurbit shell.
The in-built electric block of 13. magneto as claimed in claim 12, it is characterized in that the right-hand member of described electric machine main shaft extends out from described right electric motor end cap, the output shaft of described retarder is hollow output shaft and is enclosed within the outside of the input shaft of described retarder, connected by axial spline housing between the input shaft of described electric machine main shaft and described retarder, the input shaft of described electric machine main shaft and described retarder is respectively from a left side for described spline housing, right two ends insert described spline housing and with described spline housing spline joint, described spline housing is positioned at the right side of described right electric motor end cap and is fixedly connected with described right electric motor end cap, the output shaft of described retarder is provided with the external gear for exporting, described right reel bracket is provided with and the internally toothed annulus that the output shaft of described retarder is meshed for the external gear exported.
The in-built electric block of 14. magneto as claimed in claim 7, it is characterized in that described stator core is provided with stator slot and is embedded with coil, the stator slot of described stator core and coil structure adopt the fractional-slot of 36 groove 8 poles to coordinate, the distribution form that coil adopts large small coil to replace, wherein the pitch of large coil is 4, the pitch of small coil is 3, and the number of turn of large coil is 2 times of the small coil number of turn.
The in-built electric block of 15. magneto as claimed in claim 14, it is characterized in that described rotor core is provided with surface-mount type permanent magnet, pole embrace is between 0.75-0.95, the magnetizing direction of described permanent magnet is perpendicular to its conical surface, the tapering of described rotor core is 6-14 °, and the circumferential edge of described permanent magnet is overlapping with the bus on taper surperficial relevant position unshakable in one's determination.
The in-built electric block of 16. magneto as claimed in claim 15, is characterized in that described permanent magnet magnetic performance is not less than the Nd-Fe-B rare earth permanent magnetic material of SH, UH, EH trade mark.
The in-built electric block of 17. magneto as claimed in claim 16, it is characterized in that the outside of described reel is covered with cucurbit shell, the left wall of described cucurbit shell is fixedly mounted on described left electric motor end cap, between described left reel bracket and described dynamic brake component, the left wall of described cucurbit shell to be enclosed within described electric machine main shaft and and leave gap between described electric machine main shaft, described customization moving part is fixedly mounted on the left surface of the left wall of described cucurbit shell.
The in-built electric block of 18. magneto as claimed in claim 17, it is characterized in that the right-hand member of described electric machine main shaft extends out from described right electric motor end cap, the output shaft of described retarder is hollow output shaft and is enclosed within the outside of the input shaft of described retarder, connected by axial spline housing between the input shaft of described electric machine main shaft and described retarder, the input shaft of described electric machine main shaft and described retarder is respectively from a left side for described spline housing, right two ends insert described spline housing and with described spline housing spline joint, described spline housing is positioned at the right side of described right electric motor end cap and is fixedly connected with described right electric motor end cap, the output shaft of described retarder is provided with the external gear for exporting, described right reel bracket is provided with and the internally toothed annulus that the output shaft of described retarder is meshed for the external gear exported.
The in-built electric block of 19. magneto as claimed in claim 8, it is characterized in that described stator core is provided with stator slot and is embedded with coil, the stator slot of described stator core and coil structure adopt the fractional-slot of 36 groove 8 poles to coordinate, the distribution form that coil adopts large small coil to replace, wherein the pitch of large coil is 4, the pitch of small coil is 3, and the number of turn of large coil is 2 times of the small coil number of turn.
The in-built electric block of 20. magneto as claimed in claim 19, it is characterized in that described rotor core is provided with surface-mount type permanent magnet, pole embrace is between 0.75-0.95, the magnetizing direction of described permanent magnet is perpendicular to its conical surface, the tapering of described rotor core is 6-14 °, and the circumferential edge of described permanent magnet is overlapping with the bus on taper surperficial relevant position unshakable in one's determination.
The in-built electric block of 21. magneto as claimed in claim 20, is characterized in that described permanent magnet magnetic performance is not less than the Nd-Fe-B rare earth permanent magnetic material of SH, UH, EH trade mark.
The in-built electric block of 22. magneto as claimed in claim 21, it is characterized in that the outside of described reel is covered with cucurbit shell, the left wall of described cucurbit shell is fixedly mounted on described left electric motor end cap, between described left reel bracket and described dynamic brake component, the left wall of described cucurbit shell to be enclosed within described electric machine main shaft and and leave gap between described electric machine main shaft, described customization moving part is fixedly mounted on the left surface of the left wall of described cucurbit shell.
The in-built electric block of 23. magneto as claimed in claim 22, it is characterized in that the right-hand member of described electric machine main shaft extends out from described right electric motor end cap, the output shaft of described retarder is hollow output shaft and is enclosed within the outside of the input shaft of described retarder, connected by axial spline housing between the input shaft of described electric machine main shaft and described retarder, the input shaft of described electric machine main shaft and described retarder is respectively from a left side for described spline housing, right two ends insert described spline housing and with described spline housing spline joint, described spline housing is positioned at the right side of described right electric motor end cap and is fixedly connected with described right electric motor end cap, the output shaft of described retarder is provided with the external gear for exporting, described right reel bracket is provided with and the internally toothed annulus that the output shaft of described retarder is meshed for the external gear exported.
CN201520183611.4U 2015-03-30 2015-03-30 Magneto installs electric block inside Active CN204778533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520183611.4U CN204778533U (en) 2015-03-30 2015-03-30 Magneto installs electric block inside

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520183611.4U CN204778533U (en) 2015-03-30 2015-03-30 Magneto installs electric block inside

Publications (1)

Publication Number Publication Date
CN204778533U true CN204778533U (en) 2015-11-18

Family

ID=54518625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520183611.4U Active CN204778533U (en) 2015-03-30 2015-03-30 Magneto installs electric block inside

Country Status (1)

Country Link
CN (1) CN204778533U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104817026A (en) * 2015-03-30 2015-08-05 江西工埠机械有限责任公司 Permanent magnetic in-built electric block
CN117175889A (en) * 2023-11-03 2023-12-05 东北大学 Permanent-magnet retarder capable of automatically adjusting braking torque through air cooling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104817026A (en) * 2015-03-30 2015-08-05 江西工埠机械有限责任公司 Permanent magnetic in-built electric block
CN117175889A (en) * 2023-11-03 2023-12-05 东北大学 Permanent-magnet retarder capable of automatically adjusting braking torque through air cooling
CN117175889B (en) * 2023-11-03 2024-01-23 东北大学 Permanent-magnet retarder capable of automatically adjusting braking torque through air cooling

Similar Documents

Publication Publication Date Title
CN104836372B (en) Cone rotor AC permanent magnet brake motor
CN201220897Y (en) Permanent magnetism synchronous gearless reel type raising apparatus for hoisting machine
CN204778533U (en) Magneto installs electric block inside
CN204794548U (en) Toper rotor direct current permanent magnetism brake motor
CN102367142A (en) Inner rotor switch reluctance traction driving device
CN102206914A (en) Transmission device of washing machine
CN104817026B (en) The built-in electric block of magneto
CN204264856U (en) A kind of electric motor built-in motorized pulleys of band brake function
CN201049870Y (en) Braking drum safety device
CN102064657A (en) Permanent-magnet variable-speed hub motor with complementing excitation rotor
CN204778532U (en) Synchronous machine of liter that has directly driven of a gear permanent magnetism
CN204150992U (en) Permanent magnetism winch
CN104803310B (en) One gear permanent-magnet synchronous direct drive lifting machine
CN203486813U (en) Winch device directly driven by low-speed permanent magnet synchronous motor
CN203827115U (en) Rotary eddy current braking motor of building tower crane
CN103112795B (en) Self-locking outer rim drg
KR20180014621A (en) Actuator
CN202785148U (en) Brake device for elevators
CN202148430U (en) Washer transmission device
CN205636212U (en) Novel washing machine transmission device
CN203740949U (en) Elevator traction machine with winding-embedded stator
CN210927324U (en) Traction motor for coal mining machine convenient to brake is changed
CN2922110Y (en) Primary rotation shaft armature structure with superstrong abrasive resistance performance
CN213865165U (en) Hoist with motor in drum
CN202864777U (en) Multi-gear tower crane lifting mechanism

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant