CN110518739A - A kind of motor transmission shaft and the magneto with it - Google Patents
A kind of motor transmission shaft and the magneto with it Download PDFInfo
- Publication number
- CN110518739A CN110518739A CN201910908231.5A CN201910908231A CN110518739A CN 110518739 A CN110518739 A CN 110518739A CN 201910908231 A CN201910908231 A CN 201910908231A CN 110518739 A CN110518739 A CN 110518739A
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- Prior art keywords
- central axis
- transmission shaft
- motor transmission
- axle sleeve
- ring gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000007789 sealing Methods 0.000 claims description 57
- 238000005096 rolling process Methods 0.000 claims description 32
- 230000008878 coupling Effects 0.000 abstract description 18
- 238000010168 coupling process Methods 0.000 abstract description 18
- 238000005859 coupling reaction Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000239290 Araneae Species 0.000 description 14
- 230000013011 mating Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 8
- 238000010008 shearing Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- H02K7/003—Couplings; Details of shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
This application discloses a kind of motor transmission shafts.The motor transmission shaft includes: ring gear, and the ring gear is provided with internal tooth；Central axis, one end of the central axis are provided with the external tooth with internal tooth cooperation, and the other end of the central axis is provided with axle sleeve；Part between the axle sleeve and the external tooth is the ontology of the central axis.Disclosed herein as well is a kind of magneto, the magneto includes above-mentioned motor transmission shaft.The beneficial effects of the present application are as follows: motor transmission shaft is integrated with the function of shaft coupling, the connection of motor output shaft and driven shaft no longer needs shaft coupling, and motor may be implemented to be directly connected to driven shaft.In addition, the ingenious inner space that motor is utilized of motor transmission shaft of the invention, which is largely built in inside motor, only axle sleeve part is stretched out, and saves the installation space of equipment.
Description
Technical field
This application involves technical field of motors, more particularly to a kind of motor transmission shaft and with its magneto.
Background technique
With the development of the social economy, industrially proposing increasingly higher demands to energy-saving consumption-reducing.Due to magneto
There is superior energy-saving consumption-reducing to act on, and can be realized large torque and directly drive, does not need to save equipment peace using speed reducer
Space is filled, therefore, magneto is gradually widely used.
Industrially when directly driving using magneto low speed, high speed shaft shaft coupling and speed reducer, but permanent magnetism are eliminated
The output shaft of motor appoints so shaft coupling is needed to connect at present in axis connection driven with low speed, the more parts of whole set equipment, then
More maintenace points, and shaft coupling belongs to wearing detail.In addition, transmission shaft (i.e. rotor axis of electric) in the prior art is generally band
There is the entity axis of step, which is fixedly connected with rotor field spider, and output shaft passes through shaft coupling and driven axis connection.Due to connection
The presence of axis device can also make the installation space demand of equipment larger, if used in below ground, bigger equipment is installed empty
Between more will lead to being significantly increased for use cost, such as underground mining operating condition, then need to exploit bigger tunnel, to guarantee equipment foot
Enough installation spaces, this will lead to construction cost and increased dramatically.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Apply for content
The application's is designed to provide a kind of motor transmission shaft and overcomes or at least mitigate with its magneto
At least one drawbacks described above of the prior art.
To achieve the above object, the application provides a kind of motor transmission shaft, and the motor transmission shaft includes:
Ring gear, the ring gear are provided with internal tooth；
Central axis, one end of the central axis are provided with the external tooth with internal tooth cooperation, the other end of the central axis
It is provided with axle sleeve；Part between the axle sleeve and the external tooth is the ontology of the central axis.
Optionally, be provided with rolling bearing or bearing shell between the ring gear and the central axis, the rolling bearing or
Bearing shell is used to support the central axis and ring gear.
Optionally, the axial ends of the ring gear is provided with sealing cover, and the central axis passes through one of sealing cover,
And the internal tooth of the ring gear and the external tooth mating part of central axis are located between two sealing covers.
Optionally, the axle sleeve of described central axis one end is any one in hydraulic controlled sleeve, hub splines or thick-walled sleeve.
Optionally, pressure sensor is provided on the hydraulic controlled sleeve, the pressure sensor is for detecting hydraulic controlled sleeve
Interior oil pressure.
Optionally, the external tooth of described central axis one end is removably fixedly connected with the center shaft body.
Optionally, the axle sleeve of described central axis one end is removably fixedly connected with the center shaft body.
Optionally, the central axis can be mobile in axis direction relative to the ring gear.
Optionally, the external tooth is barreled tooth flank.
Present invention also provides a kind of magneto, the magneto includes motor transmission shaft as described above.
The beneficial effects of the present invention are:
Motor transmission shaft of the invention is integrated with the function of shaft coupling, by using the motor transmission shaft, motor output shaft
Connection with driven shaft no longer needs shaft coupling, and motor may be implemented to be directly connected to driven shaft.In addition, motor of the invention
The ingenious inner space that motor is utilized of transmission shaft, which is largely built in inside motor, only shaft sleeve part
Divide and stretch out, saves the installation space of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the motor transmission shaft that one embodiment of the application provides.
Fig. 2 is the structural schematic diagram for the motor transmission shaft that the application another embodiment provides.
Fig. 3 is the structural schematic diagram for the motor transmission shaft that the application yet another embodiment provides.
Fig. 4 is the structural schematic diagram for the magneto that one embodiment of the application provides.
Fig. 5 is the structural schematic diagram for the magneto that the application another embodiment provides.
1- ring gear；2- central axis；3- sealing cover；4- sealing cover；5- rolling bearing；6- retaining ring；7- motor transmission shaft；8-
Armature spindle；9- rotor field spider；10- base；11- internal tooth；21- external tooth；22- axle sleeve；23- ontology；111- Supporting cover；112- is rolled
Bearing.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
Embodiment one:
Attached drawing 1 is a kind of structural schematic diagram of motor transmission shaft provided in this embodiment.
In the present embodiment, motor transmission shaft includes ring gear 1 and central axis 2.
Ring gear 1 is provided with involute internal tooth 11 in the axial direction of inner hole；It is understood that the shape of internal tooth 11 can be
Other shapes, such as rectangular teeth.
One end of central axis 2 is provided with the external tooth 21 cooperated with internal tooth 11, and external tooth 21 is barreled tooth flank, the advantage is that, drum
Shape tooth can provide biggish error compensation, require the axis accuracy of alignment of ring gear 1 and central axis 2 low；Central axis 2 it is another
One end is provided with axle sleeve 22, and axle sleeve 22 is hydraulic controlled sleeve, the advantage is that, hydraulic controlled sleeve is convenient to be connected with connected driven shaft
It connects, installing and dismounting is quick, time saving and energy saving；It is understood that the hydraulic controlled sleeve has a relatively thin internal layer and one thicker
Outer layer, form hydraulic cavities between the outer layer and the internal layer, when into hydraulic cavities inject high pressure oil when, due to outer layer compared with
Thickness, internal layer hydraulic sleeve is to contract, thus by the shaft locking of insertion；Centered on part between the hydraulic controlled sleeve and external tooth 21
The ontology 23 of axis 2.
It is understood that axle sleeve 22 may be arranged as other structures form.For example, in an alternative embodiment, axis
Set 22 is set as thick-walled sleeve, and the thick-walled sleeve can be the cartridge sleeve with external cylindrical surface, or with male cone (strobilus masculinus)
Thick-walled sleeve；When thick-walled sleeve is set as the cartridge sleeve with external cylindrical surface, internal unthreaded hole (being actually blind hole) is for inserting
Enter driven shaft, external cylindrical surface can be with installation locking disk by axle sleeve and driven shaft locking, and the locking plate can be mechanical lock
Disk, or fluid pressure type locking plate.When thick-walled sleeve is set as the thick-walled sleeve with outer conical surface, driven shaft insertion is internal
Unthreaded hole can install the wheel hub with taper hole matched with its taper in outer conical surface, be used for locking axle sleeve and driven shaft.It can be with
Understand, the inside unthreaded hole of the axle sleeve can be cylindrical hole, or conical bore, the cylindrical hole can be for comprising more
The stepped hole of a step.In another alternative embodiment, axle sleeve 22 may be arranged as the axle sleeve with internal spline, the interior flower
Key can be involute spline or rectangular spline.
In the present embodiment, external tooth 21 and axle sleeve 22 and ontology 23 are monolithic construction.It is understood that according to difference
Demand, in other embodiments, split type structure also can be set into three, and is fixedly connected.For example, alternative one
In embodiment, external tooth 21 is set as a fluted disc structure, and the fluted disc inner hole and 23 outer circle of ontology cooperate, and by shearing pin connection,
The advantage is that, when the size of external tooth 21 be not able to satisfy large torque transmitting when, in order not to increase central axis 2 ontology 23 it is straight
Diameter can only increase the size of fluted disc.In another embodiment, the axle sleeve 22 can also pass through removably and ontology 23
It is fixedly connected, external tooth 21 is such as connected or be similar to form of flanges by bolt, by shearing pin connection.
It is understood that the combining form when external tooth 21, axle sleeve 22,23 three of ontology is not limited to the example above.It can
To combine according to the actual situation, for example, external tooth 21 is structure as a whole with ontology 23, axle sleeve 22 removably with ontology 23
It is fixedly connected；Axle sleeve 22 is structure as a whole with ontology 23, and external tooth 21 is removably fixedly connected with ontology 23；External tooth 21,
Axle sleeve 22, ontology 23 are individual structure, and are fixedly connected by removably.
In the present embodiment, axle sleeve 22 is hydraulic controlled sleeve, is equipped with wireless pressure sensor on the hydraulic controlled sleeve, described
The oil pressure that wireless pressure sensor is used to detect in the hydraulic controlled sleeve can carry out early warning when there is pressure change, to prevent
Only equipment breaks down.
In the present embodiment, ring gear 1 is removably fixedly connected with rotor field spider.It is understood that internal tooth
Circle 1 can also be removably fixedly connected with armature spindle.
It is understood that the connection of ring gear 1 and rotor field spider or armature spindle is not limited to being directly connected to for the two,
It can be connected by middleware；For example, ring gear 1 is fixedly connected with part A, part A is fixed with rotor field spider or armature spindle again
Connection.
It is understood that central axis 2 can be mobile in axis direction relative to ring gear 1, missed with compensating the axial of equipment
Difference.In order to limit the amount of axial movement of central axis 2, position limiting structure can also be set in axial ends.Such as with the direction in attached drawing 1
For, it can be arranged at the both ends of internal tooth 11 and limit, to limit the axial internal clearance of external tooth 21.
By using the motor transmission shaft of the present embodiment, when connecting driven shaft, driven shaft is directly inserted into axle sleeve 22
It is interior, separately installed shaft coupling is not needed, the amount of parts of whole set equipment is reduced, does not need more to safeguard or replace shaft coupling.
Embodiment two:
Attached drawing 2 is a kind of structural schematic diagram of motor transmission shaft provided in this embodiment.
In the present embodiment, motor transmission shaft includes ring gear 1, central axis 2, sealing cover 3, sealing cover 4, rolling bearing 5
And retaining ring 6.
Ring gear 1 is provided with involute internal tooth 11 in the axial direction of inner hole；It is understood that the shape of internal tooth 11 can be
Other shapes, such as rectangular teeth.
One end of central axis 2 is provided with the external tooth 21 cooperated with internal tooth 11, and external tooth 21 is barreled tooth flank, the advantage is that, drum
Shape tooth can provide biggish error compensation, require the axis accuracy of alignment of ring gear 1 and central axis 2 low；Central axis 2 it is another
One end is provided with axle sleeve 22, and axle sleeve 22 is hydraulic controlled sleeve, the advantage is that, hydraulic controlled sleeve is convenient to be connected with connected driven shaft
It connects, installing and dismounting is quick, time saving and energy saving；It is understood that the hydraulic controlled sleeve has a relatively thin internal layer and one thicker
Outer layer, form hydraulic cavities between the outer layer and the internal layer, when into hydraulic cavities inject high pressure oil when, due to outer layer compared with
Thickness, internal layer hydraulic sleeve is to contract, thus by the shaft locking of insertion；Centered on part between the hydraulic controlled sleeve and external tooth 21
The ontology 23 of axis 2.
It is understood that axle sleeve 22 may be arranged as other structures form.For example, in an alternative embodiment, axis
Set 22 is set as thick-walled sleeve, and the thick-walled sleeve can be the cartridge sleeve with external cylindrical surface, or with male cone (strobilus masculinus)
Thick-walled sleeve；When thick-walled sleeve is set as the cartridge sleeve with external cylindrical surface, internal unthreaded hole (being actually blind hole) is for inserting
Enter driven shaft, external cylindrical surface can be with installation locking disk by axle sleeve and driven shaft locking, and the locking plate can be mechanical lock
Disk, or fluid pressure type locking plate.When thick-walled sleeve is set as the thick-walled sleeve with outer conical surface, driven shaft insertion is internal
Unthreaded hole can install the wheel hub with taper hole matched with its taper in outer conical surface, be used for locking axle sleeve and driven shaft.It can be with
Understand, the inside unthreaded hole of the axle sleeve can be cylindrical hole, or conical bore, the cylindrical hole can be for comprising more
The stepped hole of a step.In another alternative embodiment, axle sleeve 22 may be arranged as the axle sleeve with internal spline, the interior flower
Key can be involute spline or rectangular spline.
In the present embodiment, external tooth 21 and axle sleeve 22 and ontology 23 are monolithic construction.It is understood that according to difference
Demand, in other embodiments, split type structure also can be set into three, and is fixedly connected.For example, alternative one
In embodiment, external tooth 21 is set as a fluted disc structure, and the fluted disc inner hole and 23 outer circle of ontology cooperate, and by shearing pin connection,
The advantage is that, when the size of external tooth 21 be not able to satisfy large torque transmitting when, in order not to increase central axis 2 ontology 23 it is straight
Diameter can only increase the size of fluted disc.In another embodiment, the axle sleeve 22 can also pass through removably and ontology 23
It is fixedly connected, external tooth 21 is such as connected or be similar to form of flanges by bolt, by shearing pin connection.
It is understood that the combining form when external tooth 21, axle sleeve 22,23 three of ontology is not limited to the example above.It can
To combine according to the actual situation, for example, external tooth 21 is structure as a whole with ontology 23, axle sleeve 22 removably with ontology 23
It is fixedly connected；Axle sleeve 22 is structure as a whole with ontology 23, and external tooth 21 is removably fixedly connected with ontology 23；External tooth 21,
Axle sleeve 22, ontology 23 are individual structure, and are fixedly connected by removably.
In the present embodiment, axle sleeve 22 is hydraulic controlled sleeve, is equipped with wireless pressure sensor on the hydraulic controlled sleeve, described
The oil pressure that wireless pressure sensor is used to detect in the hydraulic controlled sleeve can carry out early warning when there is pressure change, to prevent
Only equipment breaks down.
In the present embodiment, ring gear 1 is removably fixedly connected with rotor field spider.It is understood that internal tooth
Circle 1 can also be removably fixedly connected with armature spindle.
It is understood that the connection of ring gear 1 and rotor field spider or armature spindle is not limited to being directly connected to for the two,
It can be connected by middleware；For example, ring gear 1 is fixedly connected with part A, part A is fixed with rotor field spider or armature spindle again
Connection.
The axial position of rolling bearing 5 between external tooth 21 and axle sleeve 22, be used to support the ontology 23 of central axis 2 with it is interior
Gear ring 1.In the present embodiment, rolling bearing 5 uses aligning antifriction bearing, and the outer ring of rolling bearing 5 is fixed, and rolls
The inner ring of bearing 5 is gap-matched with ontology 23.It the advantage is that, after installing rolling bearing 5, external tooth 21 is matched with internal tooth 11
It closes, the cooperation of rolling bearing 5 and ontology 23, matches chalaza and be equivalent to for two 2 fulcrums are provided to central axis 2, be conducive to axle sleeve
22 with the installation of driven shaft.
It is understood that when the size of central axis 2 is larger, in order to preferably support ontology 23 and positioning bearing, rolling
Fluid bearing sleeve or mechanical bearing adapter sleeve can be set between dynamic bearing 5 and ontology 23, the advantage is that, facilitate axis
The installation and removal held.
It is understood that the rolling bearing 5 can also use other structures.For example, in an alternative embodiment, adopting
Rolling bearing 5 is replaced with bearing shell, the bearing shell is fixed on ring gear axially.
Sealing cover 3 and sealing cover 4 are separately mounted to the axial sides of ring gear, in the present embodiment, sealing cover 3 be with
The ontology 23 of the lid of through-hole, central axis 2 passes through sealing cover 3, and sealing is provided between sealing cover 3 and the mating surface of ontology 23
Part, the sealing element can be O-ring or oil sealing, and the mating part and rolling bearing 5 of internal tooth 11 and external tooth 21 are in axis direction
Position be respectively positioned between sealing cover 3 and sealing cover 4.Sealing cover 4 is boring cover, as shown in Fig. 2；Sealing cover 3, sealing cover 4 with
Sealing ring is provided between the mating surface of ring gear, it is to be understood that the mating surface of sealing cover 3, sealing cover 4 and ring gear
It can be radial mating surface, or axially engage face, the sealing ring is O-ring in the present embodiment.It is sealing cover 3, interior
Sealing element between gear ring 1, sealing cover 4, ontology 23 and a mating surface forms a sealing space, is used to store in the sealing space
Lubricating oil or lubricating grease, for internal tooth and external tooth engage and bearing is lubricated.
It is understood that central axis 2 can be mobile in axis direction relative to ring gear 1, missed with compensating the axial of equipment
Difference.In order to limit the amount of axial movement of central axis 2, position limiting structure can also be set in axial ends.Such as with the direction in attached drawing 2
For, it can be arranged at the both ends of internal tooth 11 and limit, to limit the axial internal clearance of external tooth 21.
In the present embodiment, sealing cover 4 can be used as the confined planes that external tooth 21 moves right, and rolling bearing 5 can be used as
The confined planes that external tooth 21 moves downward.
By using the motor transmission shaft of the present embodiment, when connecting driven shaft, driven shaft is directly inserted into axle sleeve 22
It is interior, and by hydraulic locking, separately installed shaft coupling is not needed, the amount of parts of whole set equipment is reduced, does not need more to tie up
Shield or replacement shaft coupling.The problem of traditional shaft coupling installing and dismounting is required to heating is avoided, non-maintaining demand is realized.
Embodiment three:
Attached drawing 3 is a kind of structural schematic diagram of motor transmission shaft provided in this embodiment.
In the present embodiment, motor transmission shaft includes ring gear 1, central axis 2, sealing cover 3, sealing cover 4, rolling bearing 5
And retaining ring 6.
Ring gear 1 is provided with involute internal tooth 11 in the axial direction of inner hole；It is understood that the shape of internal tooth 11 can be
Other shapes, such as rectangular teeth.
One end of central axis 2 is provided with the external tooth 21 cooperated with internal tooth 11, and external tooth 21 is barreled tooth flank, the advantage is that, drum
Shape tooth can provide biggish error compensation, require the axis accuracy of alignment of ring gear 1 and central axis 2 low；Central axis 2 it is another
One end is provided with axle sleeve 22, and axle sleeve 22 is the thick-walled sleeve with external cylindrical surface, connected driven shaft insertion thick-walled sleeve
Inner hole, external cylindrical surface installation locking disk, by axle sleeve and driven shaft locking, to transmit torque, the locking plate can be mechanical
Locking plate, or fluid pressure type locking plate；Part between axle sleeve 22 and external tooth 21 is the ontology 23 of center axis 2.
It is understood that axle sleeve 22 may be arranged as other structures form.For example, in an alternative embodiment, axis
Set 22 is set as the thick-walled sleeve with outer conical surface, and driven shaft is inserted into internal unthreaded hole, can install in outer conical surface and bore with it
The wheel hub with taper hole matched is spent, locking axle sleeve and driven shaft are used for.It is understood that the inside unthreaded hole of the axle sleeve can
Think cylindrical hole, or conical bore, the cylindrical hole can be the stepped hole comprising multiple steps.In another alternative implementation
In example, axle sleeve 22 may be arranged as the thick-walled sleeve with internal spline, and the internal spline can be involute spline or rectangle
Spline.
In the present embodiment, external tooth 21 and axle sleeve 22 and ontology 23 are monolithic construction.It is understood that according to difference
Demand, in other embodiments, split type structure also can be set into three, and is fixedly connected.For example, alternative one
In embodiment, external tooth 21 is set as a fluted disc structure, and the fluted disc inner hole and 23 outer circle of ontology cooperate, and by shearing pin connection,
The advantage is that, when the size of external tooth 21 be not able to satisfy large torque transmitting when, in order not to increase central axis 2 ontology 23 it is straight
Diameter can only increase the size of fluted disc.In another embodiment, the axle sleeve 22 can also pass through removably and ontology 23
It is fixedly connected, external tooth 21 is such as connected or be similar to form of flanges by bolt, by shearing pin connection.
It is understood that the combining form when external tooth 21, axle sleeve 22,23 three of ontology is not limited to the example above.It can
To combine according to the actual situation, for example, external tooth 21 is structure as a whole with ontology 23, axle sleeve 22 removably with ontology 23
It is fixedly connected；Axle sleeve 22 is structure as a whole with ontology 23, and external tooth 21 is removably fixedly connected with ontology 23；External tooth 21,
Axle sleeve 22, ontology 23 are individual structure, and are fixedly connected by removably.
In the present embodiment, axle sleeve 22 is hydraulic controlled sleeve, is equipped with wireless pressure sensor on the hydraulic controlled sleeve, described
Wireless pressure sensor is used to detect the oil pressure counted in hydraulic controlled sleeve, when there is pressure change, can carry out early warning, to prevent
Only equipment breaks down.
In the present embodiment, ring gear 1 is removably fixedly connected with rotor field spider.It is understood that internal tooth
Circle 1 can also be removably fixedly connected with armature spindle.
It is understood that the connection of ring gear 1 and rotor field spider or armature spindle is not limited to being directly connected to for the two,
It can be connected by middleware；For example, ring gear 1 is fixedly connected with part A, part A is fixed with rotor field spider or armature spindle again
Connection.
The axial position of rolling bearing 5 between external tooth 21 and axle sleeve 22, be used to support the ontology 23 of central axis 2 with it is interior
Gear ring 1.In the present embodiment, rolling bearing 5 uses aligning antifriction bearing, and the outer ring of rolling bearing 5 is fixed, and rolls
The inner ring of bearing 5 is gap-matched with ontology 23.It the advantage is that, after installing rolling bearing 5, external tooth 21 is matched with internal tooth 11
It closes, the cooperation of rolling bearing 5 and ontology 23, matches chalaza and be equivalent to for two 2 fulcrums are provided to central axis 2, be conducive to axle sleeve
22 with the installation of driven shaft.
It is understood that when the size of central axis 2 is larger, in order to preferably support ontology 23 and positioning bearing, rolling
Fluid bearing sleeve or mechanical bearing adapter sleeve can be set between dynamic bearing 5 and ontology 23, the advantage is that, facilitate axis
The installation and removal held.
It is understood that the rolling bearing 5 can also use other structures.For example, in an alternative embodiment, adopting
Rolling bearing 5 is replaced with bearing shell, the bearing shell is fixed on ring gear axially.
Sealing cover 3 and sealing cover 4 are separately mounted to the axial sides of ring gear, in the present embodiment, sealing cover 3 be with
The ontology 23 of the lid of through-hole, central axis 2 passes through sealing cover 3, and sealing is provided between sealing cover 3 and the mating surface of ontology 23
Part, the sealing element can be O-ring or oil sealing, and the mating part and rolling bearing 5 of internal tooth 11 and external tooth 21 are in axis direction
Position be respectively positioned between sealing cover 3 and sealing cover 4.Sealing cover 4 is boring cover, as shown in Fig. 2；Sealing cover 3, sealing cover 4 with
Sealing ring is provided between the mating surface of ring gear, it is to be understood that the mating surface of sealing cover 3, sealing cover 4 and ring gear
It can be radial mating surface, or axially engage face, the sealing ring is O-ring in the present embodiment.It is sealing cover 3, interior
Sealing element between gear ring 1, sealing cover 4, ontology 23 and a mating surface forms a sealing space, is used to store in the sealing space
Lubricating oil or lubricating grease, for internal tooth and external tooth engage and bearing is lubricated.
It is understood that central axis 2 can move in the axial direction relative to ring gear 1, missed with compensating the axial of equipment
Difference.In order to limit the amount of axial movement of central axis 2, position limiting structure can also be set in axial ends.Such as with the direction in attached drawing 2
For, it can be arranged at the both ends of internal tooth 11 and limit, to limit the axial internal clearance of external tooth 21.
In the present embodiment, sealing cover 4 can be used as the confined planes that external tooth 21 moves right, and rolling bearing 5 can be used as
The confined planes that external tooth 21 moves downward.
By using the motor transmission shaft of the present embodiment, when connecting driven shaft, driven shaft is directly inserted into axle sleeve 22
It is interior, and locked by locking plate, separately installed shaft coupling is not needed, reduces the amount of parts of whole set equipment, does not need more
Maintenance or replacement shaft coupling.The problem of traditional shaft coupling installing and dismounting is required to heating is avoided, non-maintaining demand is realized,
Example IV:
The present invention also provides a kind of magnetoes with above-mentioned motor transmission shaft.It is the present embodiment such as attached drawing 4
A kind of schematic diagram of the magneto with above-mentioned motor transmission shaft.
In the present embodiment, motor transmission shaft 7 is fixedly connected with rotor field spider 9, and motor transmission shaft 7 is fixed by ring gear
It is supported in Supporting cover 111, Supporting cover 111 is fixedly connected with electric machine stand 10, is set between Supporting cover 111 and motor transmission shaft 7
It is equipped with rolling bearing 112, rolling bearing 112 is aligning antifriction bearing.Armature spindle 8 is fixedly connected with rotor field spider 9, can be used existing
There is the structure in motor, details are not described herein again.
It is understood that in the present embodiment, the Supporting cover 111 at left and right sides of attached drawing can not be identical.Motor drive
The Supporting cover 111 that axis 7 passes through can be the end cap of motor output shaft side, centering fixing structure is provided on the end cap, for electricity
Centering is carried out to motor transmission shaft 7 when machine is installed.
It is understood that the attached drawing of the present embodiment is only schematic diagram, the structure in figure can not be interpreted as to the technology
The limitation of scheme, motor transmission shaft can also select other structures to connect with motor body.
By using motor transmission shaft provided by the invention, magneto may be implemented and be driven as driving equipment
Equipment is directly connected to, and no longer needs to install shaft coupling.In addition, being built in magneto since motor transmission shaft 7 is most of
Inside, is only the part rotor axis being substituted in existing structure, occupancy be existing structure space, drive can be shortened in this way
The length of moving cell.When working under the conditions of underground mining such as magneto, in order to install driving unit, then do not need to open up compared with
Wide tunnel has greatly saved the cost of winning of resource.
Embodiment five:
The present invention also provides a kind of magnetoes with above-mentioned motor transmission shaft.It is the present embodiment such as attached drawing 5
A kind of schematic diagram of the magneto with above-mentioned motor transmission shaft.
In the present embodiment, one end of armature spindle 8 is provided with flange, and the flange of motor transmission shaft 7 and armature spindle 8 is with removable
The mode of unloading is fixedly connected, and motor transmission shaft 7 is fixedly supported in Supporting cover 111 by ring gear, Supporting cover 111 and electric machine stand
10 are fixedly connected, and rolling bearing 112 is provided between Supporting cover 111 and motor transmission shaft 7, and rolling bearing 112 is aligning rolling
Bearing.Armature spindle 8 is fixedly connected with rotor field spider 9, which can be used the structure in existing motor, and details are not described herein again.
It is understood that in the present embodiment, the Supporting cover 111 at left and right sides of attached drawing can not be identical.Motor drive
The Supporting cover 111 that axis 7 passes through can be the end cap of motor output shaft side, centering fixing structure is provided on the end cap, for electricity
Centering is carried out to motor transmission shaft 7 when machine is installed.
It is understood that the attached drawing of the present embodiment is only schematic diagram, the structure in figure can not be interpreted as to the technology
The limitation of scheme, motor transmission shaft can also select other structures to connect with motor body.
By using motor transmission shaft provided by the invention, magneto may be implemented and be driven as driving equipment
Equipment is directly connected to, and no longer needs to install shaft coupling.In addition, being built in magneto since motor transmission shaft 7 is most of
Inside, is only the part rotor axis being substituted in existing structure, occupancy be existing structure space, drive can be shortened in this way
The length of moving cell.When working under the conditions of underground mining such as magneto, in order to install driving unit, then do not need to open up compared with
Wide tunnel has greatly saved the cost of winning of resource.
Finally it is noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the application, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (10)
1. a kind of motor transmission shaft, which is characterized in that the motor transmission shaft includes:
Ring gear, the ring gear are provided with internal tooth；
Central axis, one end of the central axis are provided with the external tooth with internal tooth cooperation, the other end setting of the central axis
There is axle sleeve；Part between the axle sleeve and the external tooth is the ontology of the central axis.
2. motor transmission shaft as described in claim 1, which is characterized in that be provided between the ring gear and the central axis
Rolling bearing or bearing shell, the rolling bearing or bearing shell are used to support the central axis and ring gear.
3. motor transmission shaft as claimed in claim 1 or 2, which is characterized in that the axial ends of the ring gear is provided with close
Capping, the central axis pass through one of sealing cover, and the external tooth auxiliary section quartile of the internal tooth of the ring gear and central axis
Between two sealing covers.
4. motor transmission shaft as claimed in claim 3, which is characterized in that the axle sleeve of described central axis one end be hydraulic controlled sleeve,
Any one in hub splines or thick-walled sleeve.
5. motor transmission shaft as claimed in claim 4, which is characterized in that it is provided with pressure sensor on the hydraulic controlled sleeve,
The pressure sensor is used to detect the oil pressure in hydraulic controlled sleeve.
6. motor transmission shaft as described in claim 4 or 5, which is characterized in that the external tooth of described central axis one end and it is described in
Spindle body is removably fixedly connected.
7. motor transmission shaft as claimed in claim 6, which is characterized in that the axle sleeve and the central axis of described central axis one end
Ontology is removably fixedly connected.
8. motor transmission shaft as claimed in any one of claims 1 to 7, which is characterized in that the central axis is relatively described interior
Gear ring can be mobile in axis direction.
9. motor transmission shaft as claimed in claim 8, which is characterized in that the external tooth is barreled tooth flank.
10. a kind of magneto, which is characterized in that the magneto includes motor transmission shaft as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910908231.5A CN110518739A (en) | 2019-09-24 | 2019-09-24 | A kind of motor transmission shaft and the magneto with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910908231.5A CN110518739A (en) | 2019-09-24 | 2019-09-24 | A kind of motor transmission shaft and the magneto with it |
Publications (1)
| Publication Number | Publication Date |
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| CN110518739A true CN110518739A (en) | 2019-11-29 |
Family
ID=68633610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910908231.5A Pending CN110518739A (en) | 2019-09-24 | 2019-09-24 | A kind of motor transmission shaft and the magneto with it |
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| CN (1) | CN110518739A (en) |
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