CN208723678U - A kind of water lubrication electric machine structure - Google Patents
A kind of water lubrication electric machine structure Download PDFInfo
- Publication number
- CN208723678U CN208723678U CN201821546319.4U CN201821546319U CN208723678U CN 208723678 U CN208723678 U CN 208723678U CN 201821546319 U CN201821546319 U CN 201821546319U CN 208723678 U CN208723678 U CN 208723678U
- Authority
- CN
- China
- Prior art keywords
- output end
- water
- end bearing
- bearing
- disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of water lubrication electric machine structures, this structure uses water lubrication bush(ing) bearing in output end, non- output end uses water lubrication bush(ing) bearing and axial thrust sliding bearing, bearing bore uses the mechanical seal of water-spraying control, cooling water flow conduits built in motor housing, the cooling motor by the way of enterprising go up out.The axle journal of water lubrication transverse bearing is provided with through flow hole, the pressure difference of energy active balance bearing two sides, and balance portion axial load, non- output end is provided with water lubricating thrust bearing, thrust bearing two sides thrust face is equipped with gap, and thrust can be provided in motor shaft temperature distortion and is kept in rotor pair to greatest extent.The utility model can greatly improve the working efficiency and reliability of motor.
Description
Technical field
The utility model relates to mechanical transmissioning technology and technical field of motors, in particular to a kind of water lubrication electric machine structure.
Background technique
Motor, no matter motor or generator, axial load generally all very little in normal operation.However when motor is long
Between when operating, rotor heating amount is larger, and heat transfer to central axis can generate biggish thermal expansion deformation, the thermal expansion of central axis
So that rotor core and stator core generate axile displacement, under magnetic fields, rotor can generate opposite with dislocation direction
Axial force, the size direct proportionality of the axial force and axile displacement.Conventional motors generally use grease lubrication deep-groove ball axis
Hold, this bearing can also bear certain axial load while mainly undertaking radial load, while can to rotor into
Row axially position is the very ideal bearing selection of micro-machine.When motor speed is higher, power is bigger than normal, motor bearings hair
Heat is larger, and bearing needs enough coolings just to can guarantee reliability service, and grease lubrication can no longer meet requirement.
The big problem of bearing heating amount can effectively solve using water lubriucated bearing.Using water lubriucated bearing, not only to solve
The problem of radial carrying, it is necessary to can be realized the axially position of rotor, while undertake lesser axial direction that may be present
Load.Realize the axially position of rotor, it is necessary to fully consider that rotor generates under the driving of central axis thermal deformation
Displacement, and since the deviation during motor manufacturing exists, even if motor rotor core and stator core do not have axile displacement,
Rotor may still remain the axial load of very little, and direction is uncertain.In addition, using water as lubricant, water electrode has
It is intracavitary possibly into rotor, suitable axle envelope mechanism is selected, arranges reliable drainage measure, is all in need of consideration ask
Topic, and the cooling water channel of motor stator is also required to detailed organizing ability and guarantees reliable cooling.
Utility model content
It is axially fixed using rotor when water lubriucated bearing that the technical issues of the utility model solves is to provide a kind of solution
Position problem guarantees that it seals a kind of water lubrication electric machine structure of cooling performance simultaneously.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of water lubrication electric machine structure, including electricity
Machine stator, the rotor being set on the inside of motor stator and the motor shaft that rotation is driven by rotor, outside motor stator
It is provided with shell, motor shaft output side is provided with output end bearing block and output end bearing cover, the non-output end one of motor shaft
Side is provided with non-output end bearing block and non-output end bearing cover, further includes the dynamicthrust that the non-output end side of motor shaft is arranged in
Disk and static thrust disk, further include be mounted on motor shaft output stretching shaft mechanical seal and round nut and output end bearing shell and
It is mounted on axle journal, internal mechanical sealing and non-output end bearing shell, the non-output end bearing block and the output end at motor shaft both ends
Bearing block is provided with bearing feed water inlet and axle envelope feed water inlet, and non-output end bearing cover is provided with water return outlet, and output end bearing cover is set
It is equipped with axle envelope feed water inlet and water return outlet, the axle journal has axle journal through flow hole, and output end bearing shell and non-output end bearing shell have axis
Watt intake chamber, the dynamicthrust disk have dynamicthrust disk through flow hole.
Further, the shell is provided with cooling water outlet and inlet, the cooling water drainage mouth of a river and relief port, the shell tool
There are cooling water flow conduits, passes through the rib being circular layout in cooling water flow conduits and separate cooling water outlet and inlet, and make cooling water circumferentially
Direction rotation is turned around or discharge after a few.
Further have plenty of: the axle journal and bearing shell should be formed self-lubricating it is nonmetallic/hard metal opposite grinding pair；It is described dynamic
Thrust disc two sides and non-output end bearing shell, static thrust disk should be formed self-lubricating it is nonmetallic/hard metal opposite grinding pair.
Further, the axle journal through flow hole circumferencial direction is uniformly distributed, it can be straight hole, orifice restriction also can be set,
The axial load born for balancing axle journal.
Further, the bearing shell intake chamber can make one or multiple tracks, supply water for bearing, the dynamicthrust disk
Through flow hole circumferencial direction is uniformly distributed, supplies water for dynamicthrust disk two sides.
The beneficial effects of the utility model are: the utility model uses water lubrication bush(ing) bearing in output end, it is non-defeated
Use water lubrication bush(ing) bearing and axial thrust sliding bearing out, bearing bore use the mechanical seal of water-spraying control, electricity
Cooling water flow conduits built in machine shell, the cooling motor by the way of enterprising go up out.The axle journal of water lubrication transverse bearing is provided with logical
Discharge orifice, the pressure difference of energy active balance bearing two sides, and balance portion axial load, non-output end are provided with water lubrication thrust axis
It holds, thrust bearing two sides thrust face is equipped with gap, and thrust can be provided in motor shaft temperature distortion and keeps fixed turn to greatest extent
Sub- centering.The structure can effectively improve the working efficiency of motor, run motor reliably and with long-term in high revolving speed, heavy load occasion.
Detailed description of the invention
Fig. 1 is water lubrication electric machine structure schematic diagram.
In the figure, it is marked as non-output end bearing cover 1；Non- output end bearing block 2；Motor stator 3；Motor shaft 4；Shell 5；Electricity
Machine rotor 6；Export end bearing block 7；Export end bearing cover 8；Stretch out shaft mechanical seal 9；Round nut 10；Axle journal 11；Output end axis
Watts 12；Internal mechanical sealing 13；Non- output end bearing shell 14；Dynamicthrust disk 15；Static thrust disk 16；Bearing feed water inlet a；Axle envelope supplies water
Mouth b；Water return outlet c；Axle journal through flow hole d；Bearing shell intake chamber e；Dynamicthrust disk through flow hole f；Cooling water outlet and inlet g；Cooling water draining
Mouth h；Relief port i.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
A kind of water lubrication electric machine structure as shown in Figure 1, including motor stator 3 are set to the motor of 3 inside of motor stator
Rotor 6 and the motor shaft 4 that rotation is driven by rotor 6, are provided with shell 5, motor shaft output side outside motor stator
It is provided with output end bearing block 7 and output end bearing cover 8, the non-output end side of motor shaft is provided with non-2 He of output end bearing block
Non- output end bearing cover 1 further includes the dynamicthrust disk 15 and static thrust disk 16 that the non-output end side of motor shaft is arranged in, further includes
It is mounted on the stretching shaft mechanical seal 9 of 4 output end of motor shaft and round nut 10 and output end bearing shell 12 and is mounted on motor shaft 4
Axle journal 11, internal mechanical sealing 13 and the non-output end bearing shell 14 at both ends, the non-output end bearing block 2 and output end bearing block
7 are provided with bearing feed water inlet a and axle envelope feed water inlet b, and non-output end bearing cover 1 is provided with water return outlet c, and output end bearing cover 8 is set
It is equipped with axle envelope feed water inlet b and water return outlet c, the axle journal 11 has axle journal through flow hole d, output end bearing shell 12 and non-output end bearing shell
14 have bearing shell intake chamber e, and the dynamicthrust disk 15 has dynamicthrust disk through flow hole f.
Specifically are as follows: non-output end bearing cover 1 in the utility model, non-output end bearing block 2, motor stator 3, shell 5,
Exporting end bearing block 7, output end bearing cover 8, output end bearing shell 12, non-output end bearing shell 14, static thrust disk 16 is stationary parts,
Motor stator 3 is fixed in shell 5, and output end bearing shell 12 is fixed in output end bearing block 7, and non-output end bearing shell 14 is fixed on
In non-output end bearing block 2, static thrust disk 16 is fixed in non-output end bearing cover 1, non-output end bearing cover 1, non-output end
Bearing block 2, shell 5, output end bearing block 7, output end bearing cover 8 are inter-connected via a bolt joint.
Specifically are as follows: in the utility model, motor shaft 4, stretches out shaft mechanical seal 9, round nut 10, axle journal at rotor 6
11, internal mechanical sealing 13, dynamicthrust disk 15 are rotary part, these rotary parts are all fixed on the motor shaft (4), and by axis
The radial support of neck 11 is got up.
Due to having opened up bearing feed water inlet a, face output end axis in non-output end bearing block 2, output 7 bottom of end bearing block
Watts 12 with the bearing shell intake chamber e of non-output end bearing shell 14, supply water to bearing, intermediate bushing intake chamber e can make together or
Person's multiple tracks, as long as being wherein directed to bearing feed water inlet a together, in non-output end bearing block 2, output end bearing block 7, output end
Open up axle envelope feed water inlet b on bearing cap 8, it is close to high-speed rotating stretching shaft mechanical at face mechanical seal dynamic and static ring sealing
Envelope 9 and internal mechanical sealing 13 can carry out cooling down operation, open up on end bearing cover 8 time in non-output end bearing cover 1 and exporting
Mouth of a river c, which is that two side bearings and axle envelope supply water the water outlet after collecting, in order to guarantee the cooling profit of bearing and axle envelope
Sliding, water return outlet c is located at the highest point of bearing bore, axle journal through flow hole d, the axle journal through flow hole d circumference has been opened up on axle journal 11
Direction is uniformly distributed, can be straight hole, orifice restriction also can be set, the axial load born for balancing axle journal 11 passes through tune
The throttle orifice for saving two side shaft journals 11 can make rotor axis of electric to load zero, and open up dynamicthrust disk on dynamicthrust disk 15
Through flow hole f, the dynamicthrust disk through flow hole f circumferencial direction is uniformly distributed, supplies water for dynamicthrust disk two sides.
On the basis of the above, cooling water outlet and inlet g has been opened up on the shell 5, for the disengaging of cooling water, the two is located at
The top of shell 5, the shell 5 have cooling water flow conduits, pass through the rib being circular layout in cooling water flow conduits and separate cooling water
Intake-outlet g, and make cooling water along the circumferential direction revolve turn around or a few after be discharged, shell 5 opened up cooling water draining simultaneously
The water in cooling water channel is discharged in mouth h when for shutting down or overhaul for a long time, 5 bottom of shell has opened up two straight-through rotor chambers
Relief port i, for draining the water accumulated by shaft sealing leakage.
On the basis of the above, between the axle journal 11 and bearing shell 12 formed self-lubricating it is nonmetallic/hard metal opposite grinding pair, move
15 two sides of thrust disc and non-output end bearing shell 14, static thrust disk 16 should be formed self-lubricating it is nonmetallic/hard metal opposite grinding pair.It is dynamic
It should there are gaps, the size in the two gaps to set between 15 two sides of thrust disc and non-output end bearing shell 14, static thrust disk 16
It sets, axial mistake when rotor maximum heat deformation axile displacement and inactive rotor, stator stationary should be comprehensively considered
Position.
A kind of water lubrication electric machine structure described in the utility model, does not limit to motor types, while can also be applied to send out
Motor, the output end is torque input end at this time.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (5)
1. a kind of water lubrication electric machine structure, it is characterised in that: including motor stator (3), the electricity being set on the inside of motor stator (3)
Machine rotor (6) and the motor shaft (4) that rotation is driven by rotor (6), are provided with shell (5), motor shaft outside motor stator
Output end side is provided with output end bearing block (7) and output end bearing cover (8), and the non-output end side of motor shaft is provided with non-defeated
End bearing block (2) and non-output end bearing cover (1) out further include the dynamicthrust disk (15) that the non-output end side of motor shaft is arranged in
It further include the stretching shaft mechanical seal (9) and round nut (10) and defeated for being mounted on motor shaft (4) output end with static thrust disk (16)
Outlet bearing shell (12) and it is mounted on the axle journal (11) at motor shaft (4) both ends, internal mechanical sealing (13) and non-output end bearing shell
(14), the non-output end bearing block (2) and output end bearing block (7) are provided with bearing feed water inlet (a) and axle envelope feed water inlet
(b), non-output end bearing cover (1) is provided with water return outlet (c), and output end bearing cover (8) is provided with axle envelope feed water inlet (b) and return water
Mouth (c), the axle journal (11) have axle journal through flow hole (d), and output end bearing shell (12) and non-output end bearing shell (14) have bearing shell
Intake chamber (e), the dynamicthrust disk (15) have dynamicthrust disk through flow hole (f).
2. a kind of water lubrication electric machine structure as described in claim 1, it is characterised in that: the shell (5) is provided with cooling water
(g), the cooling water drainage mouth of a river (h) and relief port (i) are imported and exported, the shell (5) has cooling water flow conduits, leads in cooling water flow conduits
Cross the rib being circular layout and separate cooling water outlet and inlet (g), and make cooling water along the circumferential direction revolve turn around or a few after be discharged.
3. a kind of water lubrication electric machine structure as described in claim 1, it is characterised in that: the axle journal (11) and bearing shell (12) are answered
When formed self-lubricating it is nonmetallic/hard metal opposite grinding pair；Dynamicthrust disk (15) two sides and non-output end bearing shell (14), static push
Power disk (16) should be formed self-lubricating it is nonmetallic/hard metal opposite grinding pair.
4. a kind of water lubrication electric machine structure as described in claim 1, it is characterised in that: axle journal through flow hole (d) the circumference side
To being evenly distributed with, it can be straight hole, orifice restriction also can be set, the axial load born for balancing axle journal (11).
5. a kind of water lubrication electric machine structure as described in claim 1, it is characterised in that: the bearing shell intake chamber (e) can make
One or multiple tracks, supply water for bearing, and dynamicthrust disk through flow hole (f) circumferencial direction is uniformly distributed, are used for dynamicthrust disk two sides
It supplies water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546319.4U CN208723678U (en) | 2018-09-21 | 2018-09-21 | A kind of water lubrication electric machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546319.4U CN208723678U (en) | 2018-09-21 | 2018-09-21 | A kind of water lubrication electric machine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723678U true CN208723678U (en) | 2019-04-09 |
Family
ID=65982529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821546319.4U Active CN208723678U (en) | 2018-09-21 | 2018-09-21 | A kind of water lubrication electric machine structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923569A (en) * | 2018-09-21 | 2018-11-30 | 苏州艾柏特精密机械有限公司 | A kind of water lubrication electric machine structure |
-
2018
- 2018-09-21 CN CN201821546319.4U patent/CN208723678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923569A (en) * | 2018-09-21 | 2018-11-30 | 苏州艾柏特精密机械有限公司 | A kind of water lubrication electric machine structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108591476B (en) | A kind of dry gas sealing device suitable for overcritical working medium | |
| CN108923569A (en) | A kind of water lubrication electric machine structure | |
| CN102606485B (en) | Startup water feed pump for nuclear power station | |
| CN209308759U (en) | A kind of bearing arrangement of turbocharger | |
| CN105598477B (en) | A kind of high-speed, high precision electro spindle cooled down based on shaft core heat pipe | |
| EP3081769B1 (en) | Turbocharger bearing assembly | |
| EP3283743A1 (en) | Turbocharger bearing assembly | |
| WO2022127054A1 (en) | Micro gas turbine having axial force balancing structure | |
| CN110094236A (en) | A kind of helium turbine shaft architecture | |
| CN208723678U (en) | A kind of water lubrication electric machine structure | |
| CN104895827A (en) | Air compressor with ultrasonic bearings | |
| CN108941623B (en) | Composite throttling type static pressure air floatation electric spindle | |
| CN208089765U (en) | A kind of tilting bush sliding bearing | |
| CN207454330U (en) | A kind of shaftless wind turbine of gear-rack drive formula | |
| CN209145984U (en) | A kind of centrifugal ultrahigh speed air compressor machine coolant flow channel of fuel cell | |
| CN107228089A (en) | Sodium-cooled fast reactor sodium pump fluid hybrid type guide bearing | |
| CN111042923A (en) | Rotor system and micro gas turbine generator set | |
| CN210829412U (en) | Radial steam turbine main shaft end bearing structure | |
| CN107120352A (en) | A kind of electro spindle dynamic and hydrostatic bearing with the annular oil supply tank of square shape | |
| CN207960981U (en) | Centrifugal supercharger device | |
| CN207377891U (en) | A kind of end cap of servo oscillating formula hydraulic cylinder | |
| CN214403682U (en) | Novel steam turbine | |
| CN2300768Y (en) | Rotary sealing device | |
| CN110695862A (en) | Novel low temperature nitrogen gas pipeline emery wheel | |
| CN109236748A (en) | A kind of centrifugal ultrahigh speed air compressor machine coolant flow channel of fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |