CN106911221A - Integrated permanent-magnet dc motor - Google Patents
Integrated permanent-magnet dc motor Download PDFInfo
- Publication number
- CN106911221A CN106911221A CN201510973931.4A CN201510973931A CN106911221A CN 106911221 A CN106911221 A CN 106911221A CN 201510973931 A CN201510973931 A CN 201510973931A CN 106911221 A CN106911221 A CN 106911221A
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- China
- Prior art keywords
- hole
- ladder
- brake
- motor
- frictional disk
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Classifications
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- 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
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
Integrated permanent-magnet dc motor, including permanent magnet direct current motor and brake, brake includes the yoke body and frictional disk that cooperate, yoke body is dish, it is with two through holes of ladder in the middle of it, through hole least radius side has around the centrally disposed annular groove of the yoke body, and the width arc groove consistent with annular groove is provided with annular groove, and circular port is provided with arc groove；Yoke external surface is provided with two ring ladders from the least radius side of ladder hole to maximum radius side；Frictional disk is bowl, cylindrical structural is provided with the middle of its opening side, cylindrical structural be provided with along central shaft to tapped through hole, its basin bottom side connects friction plate, basin side is provided with the mounting hole for pointing to the friction disk center, cylindrical structural is provided with the pin-and-hole consistent with the mounting hole central shaft, and pin-and-hole runs through cylindrical structural two side.The integrated permanent-magnet dc motor quality for providing of the invention is good, lightweight, it is few to take up an area.
Description
Technical field
The present invention relates to electric motors, and in particular to integrated permanent-magnet dc motor.
Background technology
Permanent magnet direct current motor and brake are the execution units that automatically controls of special vehicle control system, and permanent magnet direct current motor is mainly used in driving mechanical mechanism rotation, back and forth movement.Use characteristic according to special vehicle control system, the continuity and reliability of the motion of each part are coordinated to complete by the mechanical connecting structure of motor, brake and correlation.At present, the permanent magnet direct current motor in special vehicle and brake independent design, are assembled by general assembly unit.Because permanent magnet direct current motor is coupled with brake by axle sleeve, axiality is low, is easily caused product operating failure even stuck.And this structure occupies many installing spaces of vehicle interior, it is impossible to meet the requirement of vehicle lightweight and miniaturization.
The content of the invention
To overcome the shortcomings of permanent magnet direct current motor in the prior art, the present invention provides the integrated permanent-magnet dc motor that a kind of quality is good, lightweight, occupation of land is few.Concrete scheme is as follows：
Integrated permanent-magnet dc motor, including permanent magnet direct current motor and brake, the brake include yoke body and frictional disk,
The yoke body is dish, it is with two through holes of ladder in the middle of it, the through hole least radius side has around the centrally disposed annular groove of the yoke body, and the width arc groove consistent with annular groove is provided with the annular groove, and circular port is provided with the arc groove；The yoke external surface is provided with two ring ladders from the least radius side of ladder hole to maximum radius side, respectively first annular ladder and the second ring ladder, the outer surface of ladder hole radius maximum side is also the second ladder, i.e. described second ladder both sides are the first ladder, and second ladder is provided with circumferential four uniform circular holes；
The frictional disk is bowl, cylindrical structural is provided with the middle of its opening side, the cylindrical structural be provided with along central shaft to tapped through hole, its basin bottom side connects friction plate, basin side is provided with the mounting hole for pointing to the friction disk center, the cylindrical structural is provided with the pin-and-hole consistent with the mounting hole central shaft, and the pin-and-hole runs through cylindrical structural two side；
The yoke body connects the stator of the permanent magnet direct current motor with maximum gauge ladder hole one end, the other end connects the tapped through hole of the frictional disk by the rotating shaft of the brake, and the frictional disk is provided with the armature of the side connection brake of friction plate.
According to a preferred embodiment of the present invention, the friction plate is annular, and it is bolted to the frictional disk.
According to a preferred embodiment of the present invention, the brake bearing of the motor bearings of the permanent magnet direct current motor and the brake is deep groove ball bearing.
According to a preferred embodiment of the present invention, the material of the armature is soft iron.
The technical scheme that the present invention is provided has the advantages that；
1st, cancel the end cap of permanent magnet direct current motor, substituted by the yoke body of brake, i.e., yoke body not only undertakes original function, also assume responsibility for axial restraint bearing, the effect of sealing protection of end cap, play double action；Cancel shaft coupling, undertaken by the frictional disk of brake, i.e., frictional disk not only plays installation fixed friction piece, also take on the effect of the rotating shaft of the output shaft and brake of connection permanent magnet direct current motor.Frictional disk is the structure of integral type by pin shaft joint with the rotating shaft of brake, the other end keeps mechanically connecting with the output shaft of permanent magnet direct current motor, undertake the function of shaft coupling, transmission power and torque, space cost has been saved in the design, the axiality of permanent magnet direct current motor and brake is improve, the more efficient reliability of torque, better quality is transmitted；
2nd, former permanent magnet direct current motor and brake connection respectively have 2 bearings, using the bearing in portion in yoke body as shared bearing, reduce 1 bearing, therefore integrated permanent-magnet dc motor can be undertaken the effect of support and transmission motion by 3 bearings, result is simplified, floor space is tailed off, can preferably meet the demand that special vehicle is increasingly minimized.
3rd, an end cap is eliminated, a bearing is reduced, by the separate result Integration Design of permanent magnet direct current motor and brake, volume is alleviated weight while diminishing, meet the light-weighted designer trends of special vehicle.
4th, the main parts size of integral permanent-magnet dc motor and brake in structure, so as to form an organic whole, the component structurals such as shaft coupling, end cap are simplified, simplify the type selecting work of system unit, system unit assembly work is simplified, efficiency of assembling is improve.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below with reference to accompanying drawings, the present invention is further detailed explanation.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, the accompanying drawing to be used needed for being described to embodiment below is briefly described, apparently, drawings discussed below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings, wherein：
Fig. 1 is the structural representation of integrated permanent-magnet dc motor；
Fig. 2 is the front view of the yoke body of integrated permanent-magnet dc motor in Fig. 1；
Fig. 3 is the left view of yoke body in Fig. 2；
Fig. 4 is the front view of the frictional disk of integrated permanent-magnet dc motor in Fig. 1；
Fig. 5 is the front view of the rotating shaft of integrated permanent-magnet dc motor in Fig. 1；
Fig. 6 is the schematic diagram of the rotating shaft mated condition in frictional disk and Fig. 5 in Fig. 4；
Fig. 7 is the circuit diagram of integrated permanent-magnet dc motor in Fig. 1；
In figure：
1st, permanent magnet direct current motor, 11, electric motor end cap, 12, stator, 13, rotor, 14, brush, 15, motor bearings；
2nd, brake, 21, rotating shaft, 22, yoke body, 23, frictional disk, 24, armature, 25, brake end cap, 26, brake bearing, 27, bearing pin.
Specific embodiment
With reference to accompanying drawing of the invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Fig. 1, integrated permanent-magnet dc motor, including permanent magnet direct current motor 1 and brake 2 are referred to, the brake 2 includes yoke body 22 and frictional disk 23.
Refer to Fig. 2 and Fig. 3, the yoke body 22 is dish, it is with two through holes of ladder in the middle of it, the through hole least radius side has around the centrally disposed annular groove of the yoke body 22, the width arc groove consistent with annular groove is provided with the annular groove, circular port is provided with the arc groove；The arc groove is the technology groove after processing, i.e., the processing groove that cutter leaves；The circular port is to take the through hole with processing is bored, and it is used in follow-up equipped operation；The outer surface of yoke body 22 is provided with two ring ladders from the least radius side of ladder hole to maximum radius side, respectively first annular ladder and the second ring ladder, the outer surface of ladder hole radius maximum side is also the second ladder, i.e. described second ladder both sides are the first ladder, and second ladder is provided with circumferential four uniform circular holes.
Refer to Fig. 4, the frictional disk 23 is bowl, cylindrical structural is provided with the middle of its opening side, the cylindrical structural be provided with along central shaft to tapped through hole, its basin bottom side connects friction plate, basin side is provided with the mounting hole for pointing to the center of frictional disk 23, and the cylindrical structural is provided with the pin-and-hole consistent with the mounting hole central shaft, and the pin-and-hole runs through cylindrical structural two side.
Refer to Fig. 1, Fig. 2 and Fig. 6, the yoke body 22 connects the stator 12 of the permanent magnet direct current motor 1 with maximum gauge ladder hole one end, the other end connects the tapped through hole of the frictional disk 23 by the rotating shaft 21 of the brake 2, and the frictional disk 23 is provided with the armature 24 of the side connection brake 2 of friction plate.
Fig. 1 is referred to, the integrated permanent-magnet dc motor includes permanent magnet direct current motor 1 and brake 2.The permanent magnet direct current motor 1 includes electric motor end cap 11, stator 12, rotor 13, brush 14 and motor bearings 15, and the brake 2 includes rotating shaft 21, yoke body 22, frictional disk 23, armature 24, brake end cap 25, brake bearing 26 and bearing pin 27.The connector between permanent magnet direct current motor and brake before improvement is shaft coupling, and shaft coupling one end is connected with the output shaft of permanent magnet direct current motor, and the other end is connected with the rotating shaft of brake.
In structure, the integrated permanent-magnet dc motor has carried out following improvement compared with independent permanent magnet direct current motor and brake connecting mode：
1st, Fig. 2 and Fig. 3 is referred to; cancel the electric motor end cap 11 of the one end of permanent magnet direct current motor 1; substituted by the yoke body 22 of brake; i.e. described yoke body 22 not only undertakes original function; motor bearings 15 described in the axial restraint of the electric motor end cap 11, the effect of sealing protection are also assume responsibility for, double action has been played；
2nd, Fig. 4~Fig. 6 is referred to, cancel shaft coupling, undertaken by the frictional disk 23 of the brake 2, i.e., described frictional disk 23 not only plays installation fixed friction piece, has also taken on the effect of the rotating shaft 21 of the output shaft and the brake 2 of the connection permanent magnet direct current motor 1.The frictional disk 23 and the rotating shaft 21 of the brake 2 are connected as one the structure of formula by the bearing pin 27, the other end keeps mechanically connecting with the output shaft of the permanent magnet direct current motor 1, undertake the function of shaft coupling, transmission power and torque, space cost has been saved in the design, the axiality of the permanent magnet direct current motor 1 and the brake 2 is improve, the more efficient reliability of torque is transmitted；
3rd, former permanent magnet direct current motor and brake connection respectively have 2 bearings, using the motor bearings 15 inside the yoke body 22 as shared bearing after improvement, reduce by 1 bearing, therefore the integrated permanent-magnet dc motor can be play a part of to undertake support and transmission motion by 3 bearings.
The integrated permanent-magnet dc motor is short time duty, the permanent magnet direct current motor 1 is acted from the brake 2 by different power supplies, power supply is first powered to the permanent magnet direct current motor 1, motor is with the dragging load rotation of a certain rotating speed, after a period of time, turn off the power supply of the permanent magnet direct current motor 1, due to effect of inertia, the permanent magnet direct current motor 1 is still in rotation, power supply is powered to the brake 2 simultaneously, the permanent magnet direct current motor 1 is quickly stalled, and turns off the power supply of brake 2.
Fig. 7 is referred to, the integrated permanent-magnet dc motor is the low-voltage electrical apparatus of 24V, and the permanent magnet direct current motor 1 is powered respectively with the brake 2, remains permanent magnet direct current motor with the respective function of the brake 2.It is assumed that the lead-out wire of the permanent magnet direct current motor 1 is " a " and " b ", the lead-out wire of the brake 2 is " c " and " d ", and its operation principle is：
Before energization, due to the effect of the frictional force of the brake 2, the permanent magnet direct current motor 1 is in on-position, first powered to " c " and " d " lead-out wire, electricity on the brake 2, braking is freed, powered to " a " and " b " lead-out wire again, electricity on the permanent magnet direct current motor 1, the permanent magnet direct current motor 1 is rotated with a certain speed band dynamic load, after 1 minute, it is first turned off " a " and " b " lead-out wire power supply, the permanent magnet direct current motor 1 is powered off, because permanent magnet direct current motor 1 described in effect of inertia continues to rotate, " c " and " d " lead-out wire power supply is turned off again, the brake 2 is powered off, because braking action motor instantaneously stops operating, complete a working cycles.
Preferably, the friction plate is annular, and it is bolted to the frictional disk 23.
Preferably, the motor bearings 15 of the permanent magnet direct current motor 1 and the brake bearing 26 of the brake 2 are deep groove ball bearing.
Preferably, the material of the armature 24 is soft iron.
The foregoing is only embodiments of the invention; not thereby scope of patent protection of the invention is limited; equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made; other related technical fields are directly or indirectly used in, are included within the scope of the present invention.
Claims (4)
1. integrated permanent-magnet dc motor, including permanent magnet direct current motor (1) and brake (2), institute
Stating brake (2) includes yoke body (22) and frictional disk (23), it is characterised in that
The yoke body (22) is dish, is with two through holes of ladder, the through hole most smaller part in the middle of it
Footpath side has around the centrally disposed annular groove of the yoke body (22), be provided with the annular groove width with
The consistent arc groove of annular groove, circular port is provided with the arc groove；Yoke body (22) outer surface
Two ring ladders are provided with from the least radius side of ladder hole to maximum radius side, it is respectively first annular
Ladder and the second ring ladder, the outer surface of ladder hole radius maximum side is also the second ladder, i.e., described the
Two ladder both sides are the first ladder, and second ladder is provided with circumferential four uniform circular holes；
The frictional disk (23) is bowl, and cylindrical structural, the cylinder are provided with the middle of its opening side
Structure be provided with along central shaft to tapped through hole, its basin bottom side connection friction plate, it is described that basin side is provided with sensing
The mounting hole at frictional disk (23) center, the cylindrical structural is provided with consistent with the mounting hole central shaft
Pin-and-hole, the pin-and-hole runs through cylindrical structural two side；
The yoke body (22) connects the permanent magnet direct current motor (1) with maximum gauge ladder hole one end
Stator (12), the other end connects the frictional disk (23) by the rotating shaft (21) of the brake (2)
The tapped through hole, the side that the frictional disk (23) is provided with friction plate connects the brake (2)
Armature (24).
2. integrated permanent-magnet dc motor according to claim 1, it is characterised in that the friction
Piece is annular, and it is bolted to the frictional disk (23).
3. integrated permanent-magnet dc motor according to claim 1, it is characterised in that the permanent magnetism
The motor bearings (15) of dc motor (1) and the brake bearing (26) of the brake (2) are
Deep groove ball bearing.
4. integrated permanent-magnet dc motor according to claim 1, it is characterised in that the armature
(24) material is soft iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973931.4A CN106911221A (en) | 2015-12-22 | 2015-12-22 | Integrated permanent-magnet dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973931.4A CN106911221A (en) | 2015-12-22 | 2015-12-22 | Integrated permanent-magnet dc motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106911221A true CN106911221A (en) | 2017-06-30 |
Family
ID=59200109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510973931.4A Pending CN106911221A (en) | 2015-12-22 | 2015-12-22 | Integrated permanent-magnet dc motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106911221A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2207657Y (en) * | 1993-10-30 | 1995-09-13 | 冶金工业部自动化研究院 | Protective brake when cut off of electricity |
| JP2002005205A (en) * | 2000-06-23 | 2002-01-09 | Shinko Electric Co Ltd | Spring-close type electomagnetic brake and motor having the brake built-in |
| CN2766442Y (en) * | 2005-01-26 | 2006-03-22 | 连云港市雄鹰电工电子研究所有限公司 | Electromagnetic brake motor |
| CN2768286Y (en) * | 2005-01-11 | 2006-03-29 | 浙江先锋机械厂 | Motor with automatic braking mechanism |
| CN101557142A (en) * | 2008-03-31 | 2009-10-14 | 山洋电气株式会社 | Motor with an electromagnetic brake |
| CN205336027U (en) * | 2015-12-22 | 2016-06-22 | 江麓机电集团有限公司 | Integration permanent magnetism dc motor |
-
2015
- 2015-12-22 CN CN201510973931.4A patent/CN106911221A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2207657Y (en) * | 1993-10-30 | 1995-09-13 | 冶金工业部自动化研究院 | Protective brake when cut off of electricity |
| JP2002005205A (en) * | 2000-06-23 | 2002-01-09 | Shinko Electric Co Ltd | Spring-close type electomagnetic brake and motor having the brake built-in |
| CN2768286Y (en) * | 2005-01-11 | 2006-03-29 | 浙江先锋机械厂 | Motor with automatic braking mechanism |
| CN2766442Y (en) * | 2005-01-26 | 2006-03-22 | 连云港市雄鹰电工电子研究所有限公司 | Electromagnetic brake motor |
| CN101557142A (en) * | 2008-03-31 | 2009-10-14 | 山洋电气株式会社 | Motor with an electromagnetic brake |
| CN205336027U (en) * | 2015-12-22 | 2016-06-22 | 江麓机电集团有限公司 | Integration permanent magnetism dc motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |