CN106787427A - One kind exchange toothed gearing electric motor - Google Patents
One kind exchange toothed gearing electric motor Download PDFInfo
- Publication number
- CN106787427A CN106787427A CN201710014632.7A CN201710014632A CN106787427A CN 106787427 A CN106787427 A CN 106787427A CN 201710014632 A CN201710014632 A CN 201710014632A CN 106787427 A CN106787427 A CN 106787427A
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- Prior art keywords
- bearing
- face
- rotary shaft
- ring
- electric motor
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- 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.)
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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
- H02K7/116—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
- 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
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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 provides one kind exchange toothed gearing electric motor, belong to field of mechanical technique.It solves the problems, such as that existing toothed gearing electric motor is not easy to remove.This exchange toothed gearing electric motor, including alternating current generator and reductor, reductor includes housing, lid, rotary shaft, outer bearing carrier is provided with lid, bearing front shroud, bearing back shroud and spacing ring, the middle part of rotary shaft is supported in lid by inner bearing, the front end of rotary shaft is supported in outer bearing carrier by outer bearing, outer bearing is folded between bearing front shroud and bearing back shroud, bearing front shroud is connected on the front end face of outer bearing carrier, bearing back shroud is connected on the rear end face of outer bearing carrier, rotary shaft sequentially passes through bearing back shroud back to front, outer bearing and spacing ring, and bearing inner sleeve is provided between rotary shaft and outer bearing, spacing ring is connected on the front end face of bearing inner sleeve.This reducing motor is quick detachable, and bearing and bearing block will not be caused during dismounting damage, long service life.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of reducing motor, particularly a kind of exchange toothed gearing electric motor.
Background technology
Reducing motor refers to the conglomerate of reductor and electric motor.This conglomerate generally be alternatively referred to as gear motor or
Gear motor, generally by the reductor factory of specialty, after carrying out integrated assembling, with the complete supply of material of motor integral.It is Chinese special
Sharp Authorization Notice No.：CN106230185A discloses a kind of planet-gear speed reducing motor, including lid, rotary shaft, rotor, stator
And epicyclic transmission mechanism, it is characterised in that：The lid portion inside is provided with rotary shaft and the rotor being connected with rotary shaft, institute
The stator being provided with the outside of rotor installed in lid inwall is stated, the rotary shaft opposite side connects epicyclic transmission mechanism, the planet
Transmission mechanism is by the central gear with external tooth, the multiple planet pinions with external tooth, the gear ring with internal tooth and master
Planet carrier is constituted, and the rotary shaft is connected with central gear, and rotary shaft is provided with gear ring with central gear connection, described
Gear ring is fixed on central gear, and the central gear is meshed with planet pinion, and the planet pinion passes through planet
Wheel shaft is arranged on primary planet frame in revolvable mode, and the primary planet frame sets shifting chute, institute with planet wheel spindle junction
State planet pinion side and be provided with driven pulley, the driven pulley is connected by connecting rod with planet wheel spindle, the driven pulley side
It is connected with blade.Although the shifting chute and connected that the toothed gearing electric motor can be set by primary planet frame side
Balladeur train can change the position between planet pinion and central gear, and the two can be changed by the change of the two position
Between mesh degree so that change motor between velocity of rotation, be effectively accomplished the effect of deceleration.The reducing motor of the structure is also deposited
Below defect：1st, the rigidity of rotary shaft is not enough, and service life is shorter；2nd, in adjustment star gear and the position of central gear
When putting, connecting the rotary shaft of central gear needs to move axially, and dismounting inconvenience particularly needs strength to dismantle in maintenance
Bearing, also easily damages bearing block.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that one kind exchange toothed gearing electric motor,
Its technical problem to be solved is how to cause that this exchange toothed gearing electric motor is more quick detachable, while not interfering with bearing and axle
The service life of bearing.
The purpose of the present invention can be realized by following technical proposal：One kind exchange toothed gearing electric motor, including be fixedly connected with
Alternating current generator and reductor, the reductor includes lid, housing and is built in lid and is interspersed in the rotary shaft on lid,
And rotary shaft is fixedly connected with the motor shaft of alternating current generator, it is characterised in that the reductor is also outer on lid including being arranged on
Bearing block, bearing front shroud, bearing back shroud and spacing ring, the bearing front shroud, bearing back shroud and spacing ring are made as
Circular ring, the middle part of the rotary shaft is supported in lid by inner bearing, and the front end of rotary shaft is supported by outer bearing
In outer bearing carrier, the outer bearing is folded between bearing front shroud and bearing back shroud, and the bearing front shroud is connected to
On the front end face of outer bearing carrier, the bearing back shroud is connected on the rear end face of outer bearing carrier, and the rotary shaft is back to front
Sequentially pass through bearing back shroud, bearing inner sleeve is provided between outer bearing and spacing ring, and rotary shaft and outer bearing, it is described spacing
Ring is connected on the front end face of bearing inner sleeve.
Bearing back shroud, outer bearing carrier, bearing front shroud, spacing ring, bearing inner sleeve and outer bearing in the technical program
The component for forming a whole, when being dismantled to reducing motor, because outer bearing passes through bearing back shroud, bearing protecgulum
Plate, spacing ring, bearing inner sleeve are connected on outer bearing carrier, and are detachable knot between rotary shaft and outer bearing carrier and outer bearing
Structure, i.e. outer bearing will not be pulled down with rotary shaft, but be remained in outer bearing carrier, when being dismounted to reductor, can
To avoid, to being also carried out dismounting between rotary shaft and outer bearing carrier, not only dismantling and more facilitating, while outer bearing carrier can be avoided
With the abrasion of rotary shaft, the service life of outer bearing is improved, reduce maintenance cost.
In above-mentioned exchange toothed gearing electric motor, the rear end face of the bearing front shroud has the first raised backward ring
Shape boss, the rear end face of the first annular boss is resisted against on the outer ring of outer bearing, and the outer peripheral face of first annular boss is supported
Lean against on outer bearing carrier, the front end face of the bearing back shroud has the second raised forward annular boss, second annular
The front end face of boss is resisted against on the outer ring of outer bearing, and the outer peripheral face of the second annular boss is resisted against on outer bearing carrier.Outer shaft
The positioning held is more firm, is difficult to loosen.
In above-mentioned exchange toothed gearing electric motor, the front end of the rotary shaft is made as the diminishing necking section of bore,
And limited location tapered sleeve is set between rotary shaft and bearing inner sleeve, the spacing tapered sleeve is set in necking section.Rotary shaft and outer shaft
It is fixedly connected with by spacing tapered sleeve between holding, has both improve the precision of connection, the abjection of spacing tapered sleeve, convenient dismounting is easy to again.
In above-mentioned exchange toothed gearing electric motor, the front end face of the spacing tapered sleeve is fixed with a collar nut, described
Collar nut is spun on the rotating shaft, and alignment pin is interspersed with collar nut.Collar nut can be limited spacing tapered sleeve
Position, by adjusting the precession depth of collar nut and rotary shaft, can be adjusted to the position of spacing tapered sleeve, so as to ensure to turn
The cooperation tight ness rating of moving axis and outer bearing, alignment pin is used to carry out calibration positioning in dismounting.
In above-mentioned exchange toothed gearing electric motor, the alignment pin is through the school that spacing tapered sleeve is plugged in after collar nut
In quasi- hole, the external diameter of the aperture more than alignment pin of the calibration hole.It is non-fixing mechanism between alignment pin and spacing tapered sleeve, it is only
Play a part of calibration positioning in dismounting, in dismounting, alignment pin easily can be deviate from by calibration hole.
In above-mentioned exchange toothed gearing electric motor, the spacing ring is fixedly connected with by alignment pin with bearing inner sleeve.It is spacing
Ring and bearing inner sleeve are fixedly connected with and ensure that rotary shaft will not operationally deflect, and improve rotary shaft connection precision.
In above-mentioned exchange toothed gearing electric motor, axle sleeve is arranged with the rotary shaft, the rear end face of the axle sleeve is supported
Lean against on the front face of inner bearing inner ring, tapered positioning sleeve is set between the front end of axle sleeve and rotary shaft.The rear end of axle sleeve is supported
Lean against on the inner ring of inner bearing, the bore of the front end of axle sleeve gradually increases back to front, and axle sleeve is connected to by taper positioning sleeve
In rotary shaft, coordinate tight ness rating good, and be readily disassembled.
In above-mentioned exchange toothed gearing electric motor, tightening nut is connected with the rotary shaft, the tightening nut
Rear end face is resisted against on the front end face of taper positioning sleeve.Tightening nut taper positioning sleeve can be carried out it is spacing, by adjust revolve
Tight nut and the precession depth of rotary shaft, can be adjusted, to the position of taper positioning sleeve so as to be further ensured that rotary shaft
With the cooperation tight ness rating of axle sleeve.
In above-mentioned exchange toothed gearing electric motor, the bearing back shroud has the sealing for extending back, described close
Labyrinth ring is provided between envelope portion and lid, the rearward end of the labyrinth ring is resisted against on lid, and the sealing is set in fan
The outside of palace ring, and the second sealing ring is provided between sealing and labyrinth ring.Lead between bearing back shroud and reductor lid
Cross labyrinth ring and keep sealing, it is to avoid oil leak.
In above-mentioned exchange toothed gearing electric motor, the profit being connected is provided between the outer bearing carrier and housing cavity
Grease way.The lubricating oil of housing cavity can be lubricated to outer bearing carrier, reduce friction, increase the service life.
Compared with prior art, the present invention is when the rotary shaft and motor to reductor are dismounted, bearing back shroud, outer
The component that bearing block, bearing front shroud, spacing ring, bearing inner sleeve and outer bearing form a whole, can carry out integral demounting
Or assembling, in addition in dismounting, inner bearing will not together be removed with rotary shaft, and dismounting more facilitates, while in can improving
The service life of bearing and inner pedestal, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is enlarged drawing at A in Fig. 1.
In figure, 1, reductor；2nd, alternating current generator；3rd, lid；4th, lid；5th, rotary shaft；51st, necking section；6th, outer bearing carrier；
7th, bearing front shroud；71st, first annular boss；8th, bearing back shroud；81st, the second annular boss；82nd, sealing；9th, spacing ring；
91st, the 3rd convex annular edge；10th, inner bearing；11st, outer bearing；12nd, bearing inner sleeve；13rd, spacing tapered sleeve；131st, calibration hole；14th, ring
Shape nut；15th, alignment pin；16th, alignment pin；17th, axle sleeve；18th, taper positioning sleeve；19th, tightening nut；20th, labyrinth ring；21st,
One sealing ring；22nd, the second sealing ring；23rd, oil leab；24th, sun gear；25th, planetary gear；26th, connection lid.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Referring to Figures 1 and 2, the present embodiment is a kind of exchange planet-gear speed reducing motor, including by connecting lid 26 mutually admittedly
Alternating current generator 2 and reductor 1 even, reductor 1 includes the housing 3 and lid 4 that are interlocked and are tightly connected, is set in housing 3
There are sun gear 24, planetary gear 25 and rotary shaft 5, rotary shaft 5 is fixedly connected with the motor shaft of alternating current generator 2, and sun gear 24 is connected in
In rotary shaft 5, planetary gear 25 and sun gear 24 are connected.Reductor 3 also includes the outer bearing carrier 6, bearing being arranged on lid 4
Front shroud 7, bearing back shroud 8 and spacing ring 9, bearing front shroud 7, bearing back shroud 8 and spacing ring 9 are made as circular knot
Structure, the middle part of rotary shaft 5 is supported in lid 4 by inner bearing 10, and the front end of rotary shaft 5 is supported on outer shaft by outer bearing 11
In bearing 6, outer bearing 11 is folded between bearing front shroud 7 and bearing back shroud 8, and bearing front shroud 7 is connected to outer bearing carrier 6
Front end face on, bearing back shroud 8 is connected on the rear end face of outer bearing carrier 6, after rotary shaft 5 sequentially passes through bearing back to front
Bearing inner sleeve 12 is provided between cover plate 8, outer bearing 11 and spacing ring 9, and rotary shaft 5 and outer bearing 11, spacing ring 9 is connected in
It is fixedly connected with bearing inner sleeve 12 by alignment pin 16.
The rear end face of bearing front shroud 7 has first annular boss 71 raised backward, the rear end of first annular boss 71
Face is resisted against on the outer ring of outer bearing 11, and the outer peripheral face of first annular boss 71 is resisted against on outer bearing carrier 6, bearing back shroud
8 front end face has the second raised forward annular boss 81, and the front end face of the second annular boss 81 is resisted against outer bearing 11
On outer ring, and the outer peripheral face of the second annular boss 81 is resisted against on outer bearing carrier 6.Bearing front shroud 7 is set in the outer of spacing ring 9
Be provided with the first sealing ring 21 between portion, and the outer peripheral face and bearing front shroud 7 of spacing ring 9, the rear end face of spacing ring 9 have to
Raised 3rd convex annular is resisted against on the inner ring of outer bearing 11 along the rear end face of 91, the 3rd annular boss 91 afterwards.
The front end of rotary shaft 5 is made as the diminishing necking section of bore and is set between 51, and rotary shaft 5 and bearing inner sleeve 12
Limited location tapered sleeve 13, spacing tapered sleeve 13 is set in necking section 51, and the front end face of spacing tapered sleeve 13 is fixed with a collar nut 14,
Collar nut 14 is screwed in rotary shaft 5, and alignment pin 15 is interspersed with collar nut 14, and alignment pin 15 passes through collar nut 14
It is plugged in afterwards in the calibration hole 131 of spacing tapered sleeve 13, the external diameter of the aperture more than alignment pin 15 of calibration hole 131.
Bearing back shroud 8 has the sealing 82 for extending back, and labyrinth ring 20 is provided between sealing 82 and lid 4,
The rearward end of labyrinth ring 20 is resisted against on lid 4, and sealing 82 is set in the outside of labyrinth ring 20, and sealing 82 and labyrinth ring
The second sealing ring 22 is provided between 20.
Axle sleeve 17 is arranged with rotary shaft 5, the rear end face of axle sleeve 17 is resisted against on the front face of the inner ring of inner bearing 10, axle sleeve
Tapered positioning sleeve 18 is set between 17 front end and rotary shaft 5, tightening nut 19, tightening nut 19 are connected with rotary shaft 5
Rear end face be resisted against on the front end face of taper positioning sleeve 18.Tightening nut 19 taper positioning sleeve 18 can be carried out it is spacing, lead to
The precession depth of adjustment tightening nut 19 and rotary shaft 5 is crossed, the position of taper positioning sleeve 18 can be adjusted, so as to enter one
Step ensures the cooperation tight ness rating of rotary shaft 5 and axle sleeve 17.
The oil leab 23 being connected is provided between outer bearing carrier 6 and the inner chamber of housing 3.The lubricating oil of the inner chamber of housing 3 can
It is lubricated with to outer bearing carrier 6, reduces friction, is increased the service life.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of exchange toothed gearing electric motor, including the alternating current generator (2) and reductor (1) being fixedly connected with, reductor (1) bag
Include housing (3), lid (4) and be built in lid (3) and be interspersed in the rotary shaft (5) on lid (4), and rotary shaft (5) with
The motor shaft of alternating current generator (2) is fixedly connected with, it is characterised in that the reductor (1) also includes the outer shaft being arranged on lid (3)
Bearing (6), bearing front shroud (7), bearing back shroud (8) and spacing ring (9), the bearing front shroud (7), bearing back shroud
(8) and spacing ring (9) is made as circular ring, the middle part of the rotary shaft (5) is supported on lid (3) by inner bearing (10)
Interior, the front end of rotary shaft (5) is supported in outer bearing carrier (6) by outer bearing (11), and the outer bearing (11) is folded in bearing
Between front shroud (7) and bearing back shroud (8), the bearing front shroud (7) is connected on the front end face of outer bearing carrier (6), institute
State bearing back shroud (8) to be connected on the rear end face of outer bearing carrier (6), the rotary shaft (5) sequentially passes through bearing back to front
Bearing inner sleeve is provided between back shroud (8), outer bearing (11) and spacing ring (9), and rotary shaft (5) and outer bearing (11)
(12), the spacing ring (9) is connected on the front end face of bearing inner sleeve (12).
2. exchange toothed gearing electric motor according to claim 1, it is characterised in that the rear end of the bearing front shroud (7)
Face has first annular boss (71) raised backward, and the rear end face of the first annular boss (71) is resisted against outer bearing (11)
Outer ring on, and the outer peripheral face of first annular boss (71) is resisted against on outer bearing carrier (6), before the bearing back shroud (8)
End face has the second annular boss (81) raised forward, and the front end face of second annular boss (81) is resisted against outer bearing
(11) on outer ring, and the outer peripheral face of the second annular boss (81) is resisted against on outer bearing carrier (6).
3. exchange toothed gearing electric motor according to claim 2, it is characterised in that the bearing front shroud (7) is set in
The first sealing ring (21), institute are provided between the outside of spacing ring (9), and the outer peripheral face and bearing front shroud (7) of spacing ring (9)
Stating the rear end face of spacing ring (9) has raised 3rd convex annular edge (91), the rear end face of the 3rd annular boss (91) backward
It is resisted against on the inner ring of outer bearing (11).
4. exchange toothed gearing electric motor according to claim 3, it is characterised in that the front end of the rotary shaft (5) is made as
The diminishing necking section of bore sets limited location tapered sleeve (13) between (51), and rotary shaft (5) and bearing inner sleeve (12), described
Spacing tapered sleeve (13) is set in necking section (51).
5. exchange toothed gearing electric motor according to claim 4, it is characterised in that the front end face of the spacing tapered sleeve (13)
A collar nut (14) is fixed with, the collar nut (14) is screwed in rotary shaft (5), and is interspersed with collar nut (14)
Alignment pin (15).
6. exchange toothed gearing electric motor according to claim 5, it is characterised in that the alignment pin (15) is through annular spiral shell
It is plugged in after female (14) in the calibration hole (131) of spacing tapered sleeve (13), the aperture of the calibration hole (131) is more than alignment pin (15)
External diameter.
7. the exchange toothed gearing electric motor according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that the rotation
Axle sleeve (17) is arranged with axle (5), the rear end face of the axle sleeve (17) is resisted against on the front face of inner bearing (10) inner ring, axle sleeve
(17) tapered positioning sleeve (18) is set between front end and rotary shaft (5).
8. exchange toothed gearing electric motor according to claim 7, it is characterised in that be connected with the rotary shaft (5)
Tight nut (19), the rear end face of the tightening nut (19) is resisted against on the front end face of taper positioning sleeve (18).
9. the exchange toothed gearing electric motor according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that the bearing
Back shroud (8) is provided with labyrinth ring with the sealing (82) for extending back between the sealing (82) and lid (3)
(20), the rearward end of the labyrinth ring (20) is resisted against on lid (3), and the sealing (82) is set in the outer of labyrinth ring (20)
The second sealing ring (22) is provided between portion, and sealing (82) and labyrinth ring (20).
10. the exchange toothed gearing electric motor according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that the outer bearing
Seat is provided with the oil leab (23) being connected between (6) and housing (3) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014632.7A CN106787427A (en) | 2017-01-10 | 2017-01-10 | One kind exchange toothed gearing electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014632.7A CN106787427A (en) | 2017-01-10 | 2017-01-10 | One kind exchange toothed gearing electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787427A true CN106787427A (en) | 2017-05-31 |
Family
ID=58948606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014632.7A Pending CN106787427A (en) | 2017-01-10 | 2017-01-10 | One kind exchange toothed gearing electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787427A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693393A (en) * | 2020-05-08 | 2020-09-22 | 安徽紫荆花壁纸股份有限公司 | Wallpaper inspection bench |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1341825A (en) * | 1969-11-24 | 1973-12-25 | Newage Engineers Ltd | Motor-in-wheel units |
| GB1517112A (en) * | 1977-03-14 | 1978-07-12 | Newage Engineers Ltd | Hub drives |
| JPH09144854A (en) * | 1995-11-22 | 1997-06-03 | Hitachi Constr Mach Co Ltd | Reduction gear |
| JP2013181645A (en) * | 2012-03-05 | 2013-09-12 | Ntn Corp | Drive unit for electric vehicle |
| CN205331246U (en) * | 2016-01-07 | 2016-06-22 | 金建华 | Multi -wire saw's roller shaft connecting structure |
| CN206422653U (en) * | 2017-01-10 | 2017-08-18 | 浙江辰珂西传动机械有限公司 | One kind exchange toothed gearing electric motor |
-
2017
- 2017-01-10 CN CN201710014632.7A patent/CN106787427A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1341825A (en) * | 1969-11-24 | 1973-12-25 | Newage Engineers Ltd | Motor-in-wheel units |
| GB1517112A (en) * | 1977-03-14 | 1978-07-12 | Newage Engineers Ltd | Hub drives |
| JPH09144854A (en) * | 1995-11-22 | 1997-06-03 | Hitachi Constr Mach Co Ltd | Reduction gear |
| JP2013181645A (en) * | 2012-03-05 | 2013-09-12 | Ntn Corp | Drive unit for electric vehicle |
| CN205331246U (en) * | 2016-01-07 | 2016-06-22 | 金建华 | Multi -wire saw's roller shaft connecting structure |
| CN206422653U (en) * | 2017-01-10 | 2017-08-18 | 浙江辰珂西传动机械有限公司 | One kind exchange toothed gearing electric motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693393A (en) * | 2020-05-08 | 2020-09-22 | 安徽紫荆花壁纸股份有限公司 | Wallpaper inspection bench |
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