CN208955761U - Motor and gas turbine including the motor - Google Patents
Motor and gas turbine including the motor Download PDFInfo
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- CN208955761U CN208955761U CN201821506133.6U CN201821506133U CN208955761U CN 208955761 U CN208955761 U CN 208955761U CN 201821506133 U CN201821506133 U CN 201821506133U CN 208955761 U CN208955761 U CN 208955761U
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- 238000001816 cooling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
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- 230000001141 propulsive effect Effects 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
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Abstract
A kind of motor includes: stator, which includes stator core and the stator winding that is wrapped on stator core；Rotor, the rotor include magnet, and magnet is mounted on machine shaft, and can be rotated with machine shaft；And motor cabinet, stator is fixedly supported upon on the motor cabinet, and machine shaft is rotatably supported on motor cabinet by least one bearing.Wherein, rotor is located at the adjacent one end of machine shaft, and at least one bearing is arranged near the other end opposite with rotor of machine shaft, so that rotor is in cantilever design.The electric machine structure is simple and compact, and maintenance easy to repair.Also disclose a kind of gas turbine including the motor.
Description
Technical field
The utility model relates to a kind of motor, which can be used in various mechanized equipments, be used for example as gas turbine
Inspire motor.The utility model further relate to include the motor gas turbine.
Background technique
Motor is that one kind can convert electric energy to mechanical energy or equipment for converting mechanical energy into electric energy, wide now
The power source in various fields, as many machinery is applied generally.In the motive power machine device of such as gas turbine etc, lead to
Often have motor, power when initial starting up as it.
Fig. 1 shows the principle schematic diagram of the gas turbine with motor routine.Wherein, gas turbine 1 is main
Part include compressor 10, turbine 20 and combustion chamber 30, between the compression impellor of compressor 10 and the turbine wheel of turbine 20 by
Axis 40 is connected.In the process of running, compressor 10 is started by external power source first, thus compressor 10 is from surrounding
Air is sucked in atmosphere, and is compressed it.Compressed air is transported in combustion chamber 30.In this way, compressed air and penetrating
Combustion reaction occurs for the fuel in combustion chamber, generates high-temperature fuel gas.High-temperature fuel gas flows into turbine 20, and expansion work, pushes
Turbine wheel rotation, turbine wheel then pass through axis 40 and compression impellor are driven to rotate together.High-temperature fuel gas after burning is in band dynamic pressure
While mechanism of qi, there are also output mechanical work of the extra energy as gas turbine.The mechanical work can be used to generate electricity, as flight
Device or the propulsive force of ship etc..
As shown in fig. 1, a kind of conventional Starting mode of gas turbine 1 is started using motor 50.The motor
50 output shaft is connected via speed-changing gear box with compression impellor.When starting gas turbine, motor 50 passes through speed-changing gear box
It drives compression impellor initially to rotate, outside air is sucked in compressor 10, compressor 10 generates compressed air.Gas turbine
Motor 50 be typically required to be high-speed motor, with meet compressor 10 generate compressed air the needs of.
The high-speed motor for mechanized equipments such as gas turbines currently on the market is needed when running at high speed by lube system
System cool down to the bearing at motor both ends, be lubricated, and is sealed respectively at the both ends of motor stator.Such structure
So that high-speed motor disassembly is difficult, and it is not easy to repair, and its space occupied is also larger.
Therefore, it is necessary to a kind of improved electric machine structure, in the problem of being able to solve above-described prior art motor
At least one.
Utility model content
The utility model is to solve the problems of prior art described above and make.Specifically, this reality
It is to provide a kind of motor with improvement structure with novel purpose, can be used as the motor of the mechanized equipments such as gas turbine, it should
Motor has compact structure, can reduce space occupied by gas turbine.
Further, the motor of the utility model is easy to repair, and safety in operation is also high.
The motor of the utility model includes:
Stator, the stator include stator core and the stator winding that is wrapped on stator core；
Rotor, the rotor include magnet, and magnet is mounted on machine shaft, and can be rotated with machine shaft；And
Motor cabinet, stator are fixedly supported upon on the motor cabinet, and machine shaft can be rotated twelve Earthly Branches by least one bearing
It holds on motor cabinet；
Wherein, rotor is located at the adjacent one end of machine shaft, and at least one bearing is arranged in machine shaft and rotor
Near the opposite other end, so that rotor is in cantilever design.
The cantilever-designed of rotor makes the structure of motor simpler compact.Moreover, for the motor of such structure,
It maintains more convenient.Specifically, easily stator and/or rotor can be removed from the motor, thus to stator and/
Or other components of rotor and the motor repair maintenance.
Preferably, there are two bearings for setting on the other end of machine shaft, and it is provided between the two bearings
Spring, spring apply pretightning force to bearing.The pretightning force that spring provides can help to run the motor more smoothly.
For the motor of above structure, it is preferred that be formed with the first gap between the stator and the rotor, the first gap with
The external fluid of motor is connected to.In this way, the air of outside motor can flow into first gap, to the stator and rotor in the motor
Part is cooled down, and then thus improves the operation stability of motor.For example, in motor situation for gas turbines
In, a part being sucked into the air-flow in the compressor of gas turbine can flow into first gap.
Wherein, for the size in first gap within the scope of 0.4~0.6mm, preferably the size is about 0.5mm.This
The size setting of sample can guarantee the operational efficiency of motor, while the stator and rotor that can prevent motor again are in high-speed rotation
It interferes with each other.
Further, the second gap is formed between stator supporting part and rotator abutment point, wherein the second gap
It is connected to the first interstitial fluid.The air-flow for flowing through the first gap as a result, can also further flow through the second gap, and then flow through motor
Rest part, so as to integrally play cooling effect to motor.
Preferably, being provided with air source apparatus in the motor, the air of the outside of motor is under the action of the air source apparatus
Flow through the first gap and the second gap.In this way, the motor can introduce air into the first and second gaps, without specific by it
The limitation of application.
Wherein, which can be mounted in the fan on machine shaft.With motor operation, which can be followed
The rotation of machine shaft and rotate, so that in extraneous air sucking motor and the first gap and the second gap will be flowed through.
Preferably, the motor of the utility model can switch between electric motor mode and generator mode.
The utility model further relates to a kind of gas turbine, which includes compressor, turbine and combustion chamber, combustion chamber
Downstream positioned at compressor and the upstream positioned at turbine；Wherein, which further includes motor as described above, the electricity of motor
Machine shaft is connected with the main shaft of gas turbine, serves as the inspiration motor of gas turbine.
For motor using the above structure and the gas turbine with such motor, pass through the rotor to motor
Using cantilever design, convenient maintenance and inspection can be carried out to motor.By measuring and calculating and it was found that, compared with conventional motors,
The disassembly efficiency of the electric machine structure of the utility model can be improved 3 times or more.
Moreover, the motor of the utility model only needs one end to seal by using cantilever design, sealing cost is reduced；Together
When also facilitate to bearing add pretightning force, make motor operating it is more stable, improve electrical machinery life.Furthermore it is possible in the nothing of motor
One end of bearing introduces air-flow, carries out air cooling to motor, without cooling device is extraly arranged, to simplify motor
Structure, etc..
Detailed description of the invention
What Fig. 1 showed the prior art is the structure principle chart for starting the gas turbine of power with motor.
Fig. 2 shows the structural schematic diagram of the motor of the first embodiment of the utility model in the form of longitudinal sectional view.
Fig. 3 shows the longitudinal sectional view for being equipped with motor shown in Fig. 2 as the gas turbine for inspiring motor, the section view
Figure is intercepted along the line A-A in Fig. 4.
Fig. 4 shows gas turbine shown in Fig. 3 from the end-view in terms of the left end in its inlet end, i.e. Fig. 3.
Fig. 5 shows the structural schematic diagram of the motor of the second embodiment of the utility model in the form of longitudinal sectional view.
Specific embodiment
It is described in detail below in conjunction with Fig. 2~5 pair specific embodiment of the present utility model.It is to be appreciated that attached drawing
Shown in be only the utility model preferred embodiment, do not constitute the limitation to the scope of the utility model.Ability
The technical staff in domain can on the basis of embodiment shown in the drawings to the utility model carry out it is various it is obvious modification,
Modification, equivalence replacement, these all fall within the scope of the present invention.
In content below, by by taking application in the gas turbine as an example to the preferred structure of the motor of the utility model into
Row description.But, as described above, the motor of the utility model can also be applied in other types of mechanized equipment.
Fig. 2 shows the structural representation of the motor 200 of the first embodiment of the utility model in the form of longitudinal sectional view
Figure.The motor 200 has stator 211 and rotor 212.Stator 211 and the respective structure of rotor 212 are all conventional structures.That is,
Stator 211 include stator core (being preferably made of silicon steel sheet), coil is wound on stator core, with formed stator around
Group.Rotor 212 then includes at least one, preferably a plurality of magnet (such as permanent magnet), and rotor 212 is mounted on motor 200
Machine shaft 213 on.
Optionally, motor 200 includes electric machine controller 218, is run for controlling motor 200, such as by motivating stator
211 and make rotor 212 rotate.Certainly, motor 200 may be also connected directly to peripheral driver, pass through the movement of peripheral driver
And it starts or stops.
Motor 200 further includes motor cabinet 214, for fixing or supporting stator 211 and rotor 212.Specifically, such as Fig. 2
Shown, motor cabinet 214 includes stator supporting part 222 and rotor bearing part 223.Stator 211 is fixedly mounted on stator bearing
On part 222, the machine shaft 213 for being equipped with rotor 212 is then rotatably supported in rotor bearing part by bearing 220
On 223.
It is different from conventional motor in the prior art, in the motor 200 of the utility model, rotor 212, specifically
The adjacent one end of machine shaft 213 is arranged in each magnet of composition rotor 212, such as in 213 adjacent one end of machine shaft, and
Nearby at least one bearing 220 is arranged in the other end of machine shaft 213, and preferably as shown in Figure 2 two are spaced from
Bearing 220, machine shaft 213 is supported on the rotor bearing part 223 of motor cabinet 214 by the bearing 220.
Through this structure, rotor 212 is supported in cantilevered fashion, and facing to being fixedly supported upon stator supporting part
Divide the stator 211 on 222.The bearing of this cantilevered fashion of rotor 212 can be convenient for the maintenance of motor 200.It is specific next
It says, in maintenance, the stator 211 being fixed on stator supporting part 223 and/or rotor 212 need to only be removed, that is, expose electricity
The internal part of machine 200, and since the adjacent one end of the setting rotor 212 of machine shaft 213 is not provided with bearing, thus can hold
It changes places and maintenance is carried out to motor 200.
Further, as shown in Figure 2, since bearing 220 only is arranged in the adjacent one end of machine shaft 213,
Only sealing element 217 need to be set at this one end for being provided with bearing 220, simplify the structure of motor 200.Also, it only needs to be arranged
This one end of bearing 220 is contacted with lubricating oil, thus can avoid the contact of stator 211 and rotor 212 with lubricating oil as far as possible, is reduced
Harm of the lubricating oil to electrical-coil.
In addition preferably, there are the first gaps 215 between the rotor 212 and stator 211 of cantilevered fashion.First gap
215 are in fluid communication with the air inlet runner 113 of compressor 110, in this way, during motor 200 is run, it can be by the motor 200
External air sucks first gap 215, to play cooling effect to stator 211 and rotor 212.
Preferably, above-mentioned first gap 215 is dimensioned in the range of 0.4mm~0.6mm, preferably about
0.5mm.It both can guarantee the operational efficiency of motor to this setting of 215 size of the first gap, while 211 He of stator can also be prevented
Rotor 212 is interfered with each other in high-speed rotation.
Further, the second gap is also preferably provided between stator supporting part 222 and rotor bearing part 223
216, second gap 216 and the first gap 215 are in fluid communication, and are also connected to the external fluid of motor 200.In this way, electric
Air outside machine 200 can flow through the first gap 215 and the second gap 216, to play cooling effect to motor 200.For example,
When motor 200 is mounted on the device of gas turbine etc, using the air-flow led to inside gas turbine to entire motor
200 realize effective cooling.
Preferably, spring 221 can be set between the two bearings 220 there are two in the case where bearing 220 in setting,
The spring 221 applies pretightning force to bearing 220.In this way, the effect of the pretightning force by spring 221, in the process of running, bearing
220 can more smoothly operate.
Bearing 220 can be the bearing suitable for high-speed rotation, such as ceramic bearing, electric power bearing, hydrodynamic journal liquid polymers, liquid
Body hydrodynamic bearing, aerostatic bearing, aero dynamic bearing, sliding bearing etc..Bearing 220 can also be magnetic suspension bearing, by
This omits the lubricating system to bearing.
Fig. 3~4 show the gas turbine 100 of the motor 200 for the first embodiment for being mounted with the utility model.In combustion gas
In turbine 100, motor 200 serves as the inspiration motor of the gas turbine 100 first, for the startup stage in gas turbine 100,
Initial power is provided gas turbine 100, it is such as disclosed in detail below.Wherein, Fig. 3 shows the vertical of gas turbine 100
To cross-sectional view, specifically along the cross-sectional view of the line A-A interception in Fig. 4.Fig. 4 then shows the combustion gas of the first embodiment
The end-view that turbine 100 is seen from its inlet end (left end in Fig. 3).
As clearly illustrated in Fig. 3, gas turbine 100 mainly includes compressor 110, turbine 120 and combustion chamber 130.
Wherein, along the general air flow direction in gas turbine 100, combustion chamber 130 is located at the downstream of compressor 110 and in turbine 120
Upstream.
It include compression impellor 111 in compressor 110, which is mounted in first rotating shaft 112, first rotating shaft
112 rotation drives compression impellor 111 to rotate.In turn, by the rotation of compression impellor 111, by extraneous air through inlet air flow
Road 113 sucks in compressor 110, and the air sucked by 111 Duis of compression impellor compresses.The air of compression is supplied to combustion
It burns in room 130, to mix combining combustion with the fuel for spraying into combustion chamber 130.
It, can be by axis therein for the motor 200 with structure described above applied in gas turbine 100
That adjacent one end for holding the close compression impellor 111 that 220 concentrate on machine shaft 213, close to the lubricating oil of front housing 171
Near mist of oil chamber.In this way, can easily bearing 220 be cooled down and be lubricated, such as stator without influencing whether motor 200
211 and rotor 212 etc other parts.
In addition, a part in the air-flow being sucked into compressor 110 can flow through the first gap 215 and the second gap
216, to play cooling effect to stator 211 and rotor 212 and then to motor 200 is whole.
Combustion chamber 130 includes the combustion space crossed by burner inner liner 131, and multiple holes are provided on the burner inner liner 131 or are opened
Mouth (being not shown), the compressed air from compressor 110 enter the combustion of combustion chamber 130 through this some holes or opening
It burns in space.It is additionally provided at least one in combustion chamber 130, preferably multiple fuel nozzles 132, the fuel such as fuel oil can be via
The fuel nozzle 132 sprays into combustion chamber 130.After igniting, fired into the compressed air of combustion chamber 130 and fuel interreaction
It burns, generates high-temperature fuel gas.
Turbine 120 is located at the downstream of combustion chamber 130, and including turbine wheel 121, which is mounted on second
In shaft 122.Second shaft 122 is connected with first rotating shaft 112, or as shown in the picture, first rotating shaft 112 and second
Shaft 122 is integrally formed, to constitute the main shaft of gas turbine 100.
Burn in combustion chamber 130 high temperature of generation, high-pressure gas flows into turbine 120, and turbine wheel 121 is pushed to rotate,
And then turbine wheel 121 drives the rotation of the second shaft 122.Since the second shaft 122 is connected or at one with first rotating shaft 112
Body, therefore into the high temperature of turbine 120, high-pressure gas compression impellor can be also driven while pushing turbine wheel 121 to rotate
111 rotations, thus sustainably provide compressed air from compression impellor 111 to combustion chamber 130.
Motor 200 as inspiration motor is mounted in gas turbine 100.Specifically, the machine shaft of motor 200
213 are connected with the main shaft of gas turbine 100, such as shown in figure are connected with the first rotating shaft 112 of compressor 110.And
And as shown, one end for being provided with bearing of machine shaft 213 close to first rotating shaft 112.
When the winding of stator 211 is powered, produced by the magnet of the rotor 212 facing with the winding is powered by winding
Magnetic field effect, start pushing motor shaft 213 rotate, and then drive first rotating shaft 112 rotate, to start compressor
110 operations.
Gas turbine 100 further includes shell, to accommodate above-mentioned compressor 110, turbine 120, combustion chamber 130 and motor 200.
The shell includes front housing 171,171 supporting motor 200 of front housing.Specifically, as shown in figure 4, being provided on front housing 171
At least two supporting ribs 173, one end of the supporting rib 173 are connected on the inner peripheral surface of front housing 171, and the other end is then connected to electricity
In machine support 174, motor support 174 is connect with motor cabinet 214, and stator supporting part 222 is connect with motor cabinet 214, thus
Motor 200 is supported in the front housing 171.Also, motor 200 is preferably coaxially arranged with front housing 171.Herein, preceding
The components such as casing 171, supporting rib 173, motor cabinet 214, stator supporting part 222, which can be, to be manufactured respectively and fits together
Individual components are also possible to integrally formed component, alternatively, be also possible to it is wherein several be formed as one molding component, and
It is fitted together with other components being individually formed, these can be designed according to actual processing and installation requirements.
Two supporting ribs 173 shown in Fig. 4 are symmetrically arranged around the longitudinal axis of front housing 171.That is, as shown in Figure 4
Ground is spaced from 180 degree.The set-up mode of two supporting ribs 173 shown in Fig. 4 can obtain maximum air inlet for compressor 110
Area.
Certainly, in order to increase to motor 200 support stability, three or more also settable supporting ribs 173.These branch
Chengjin can be evenly spaced apart to arrange, can also arrange to interval variation as needed around the circumferential direction of motor 200.
As being clearly shown in Fig. 3, in the gas turbine 100 for the motor 200 for being mounted with the utility model, motor
200 machine shaft 213 is connected in the first rotating shaft 112 of compressor 110 by drive rod 230.
The drive rod 230 is configured to, when the torsion of the main shaft (i.e. the first and second shafts 112,122) of gas turbine 100
When square exceeds scheduled threshold value, which occurs fracture or plastic deformation etc., to fail.Wherein, threshold value tool
It is to be configured to torque corresponding to turbine turns strength of parts load for body.Specifically, when serving as starting motor
Motor 200 break down when locking, machine shaft 213 etc. can stop rotating, and then make the main shaft of gas turbine
It stops rotating.At this point, since the revolving speed of gas turbine main shaft is typically up to thousands of to tens of thousands of turns, if gas turbine main shaft is in short-term
The interior turn high speed from thousands of to tens of thousands of is reduced to 0 turn suddenly, and gas turbine component can receive seriously because of huge rotary inertia
Damage.Therefore, need to be when inspiring 200 locking of motor, turbine turns component still keeps rotating, and tapers off, without
It is damaged because rotary inertia is excessive.By be arranged drive rod 230, can when motor 200 breaks down locking, due to
The sharply raising of torque and make drive rod 230 that fracture or plastic deformation occur to failing, motor 200 and combustion gas can be disconnected in this way
Drive connection between turbine main shaft, to play the role of protecting gas turbine.
Certainly, other than the above single drive rod 230 as shown in the figure, other types of rod-shaped connection dress can also be used
It sets to connect machine shaft 213 and first rotating shaft 112, such as shaft coupling etc. can be connected between them.
In several ways drive rod 230 can be set to fail under scheduled torque threshold, for example, can incite somebody to action
The sectional dimension of drive rod 230 is set smaller than the sectional dimension of machine shaft 213 and/or first rotating shaft 112；In drive rod
Weak point (such as groove, hollow part) is set on 230, so that drive rod 230 can be thin at this when torque exceeds scheduled threshold value
It is broken or is plastically deformed first at weak portion；Alternatively, drive rod 230 can be by more compared with machine shaft 213 and first rotating shaft 112
Easy fracture or the material of plastic deformation are made；Etc..
Machine shaft 213 and first rotating shaft 112 are connected by using drive rod 230, compared to existing gear
The connection of case, the operational reliability and service life of gas turbine 100 can be improved greatly.Meanwhile when the fortune of gas turbine 100
Row occur it is abnormal and when leading to the too fast rising of load, drive rod 230 can be also broken before motor 200 is burned, and be played to electricity
The protective effect of machine 200, to also ensure the safety in operation of gas turbine 100.
In said structure, drive rod 230, first rotating shaft 112 and machine shaft 213 are come as component independent
Description.Certainly, these shaft members are also possible to integrally formed component.For example, drive rod 230 can be with first rotating shaft 112 1
It is body formed；Drive rod 230 can be integrally formed with machine shaft 213；Or drive rod 230, first rotating shaft 112 and machine shaft
213 are all integrally formed together.
Preferably, the motor 200 of the utility model can also switch between two kinds of operational modes.Specifically, when opening
When dynamic gas turbine 100, using electric drive motor 200, its rotor 212 is rotated, and then drives first rotating shaft 112 and peace
Compression impellor 111 in first rotating shaft 112 rotates, and motor 200 is run at this time with electric motor mode.In the utility model
The driving voltage of motor 200 is substantially in 12~24V.And when the turbine wheel of gas turbine 100 121 reaches rated speed, stop
Electric power only is supplied to motor 200, at this point, turbine wheel 121 passes rotational motion via the second shaft 122 and first rotating shaft 112
Compression impellor 111 is given, and then drives rotor 212 to rotate via drive rod 230, at this point, motor 200 is transported with generator mode
Row.The motor 200 of the utility model as generator generating voltage range between 14~30V.In addition to above-mentioned driving
Except voltage and the motor of generating voltage 200, can also select according to actual needs has other drive voltage ranges and power generation
The motor of voltage range is as motor 200.
Preferably, rechargeable storage battery can be connected on motor 200.When motor 200 is run with electric motor mode,
Battery is powered to motor 200, and when motor 200 is run with generator mode, the power generation of motor 200 is simultaneously charged to battery.
Gas turbine 100 may also include other auxiliary systems of common gas turbine, control system as shown in Figure 2
300, fuel system 400 and lubricating system 500 etc..Wherein, control system 300 passes through wired or wireless form and gas turbine
100 other parts (such as motor 200, fuel system 400, lubricating system 500 etc.) connection, to control the fortune of these parts
Row.Fuel system 400 is then passed through the fuel nozzle 132 of combustion chamber 130, to supply fuel oil, and lubricating system to combustion chamber 130
500 mention to the component of the bearing 220 of such as motor 200, the bearing etc of bearing first rotating shaft 112 and/or the second shaft 122
For lubricating oil.
<second embodiment>
Fig. 5 shows the structure of the motor 200 of the second embodiment of the utility model.Wherein, it is identical with the first embodiment
Or corresponding characteristic is indicated with same or similar appended drawing reference, and mainly description and the in disclosure below
The different feature of one embodiment, without being described in detail again to identical feature.Unless there are opposite description, in first embodiment
The feature of description is equally applicable to second embodiment.
As shown in figure 5, in the motor 200 of the second embodiment of the utility model, machine shaft 213 be provided with
Be provided with fan 240 on the opposite one end in one end of bearing 220, the magnet of rotor 212 be then located at fan 240 and bearing 220 it
Between.
Fan 240 is connected on machine shaft 213.In this way, machine shaft 213 rotates, fan when motor 200 is run
240 rotate therewith, so that air stream is blowed to motor 200, play cooling effect to motor.For example, by fan 240
The air-flow of blowout can flow through the first gap 215 between stator 211 and rotor 212 and/or stator supporting part 222 and rotor branch
The second gap 216 between bearing portion point 223.Motor 200 is effectively cooled down as a result,.
Some preferable embodiments of the utility model are had been described in detail above.On this basis, this field
Technical staff can obviously be modified, modification and the combination of the various features in different embodiments, these all exist
Within the scope of the utility model.
Claims (10)
1. a kind of motor, the motor include:
Stator, the stator include stator core and the stator winding that is wrapped on the stator core；
Rotor, the rotor include magnet, and the magnet is mounted on the machine shaft, and can be turned with the machine shaft
It is dynamic；And
Motor cabinet, the stator are fixedly supported upon on the motor cabinet, and the machine shaft can be turned by least one bearing
It is supported on the motor cabinet dynamicly；
It is characterized in that, the rotor is located at the adjacent one end of the machine shaft, and at least one described bearing is arranged in institute
It states near the other end opposite with the rotor of machine shaft, so that the rotor is in cantilever design.
2. motor as described in claim 1, which is characterized in that on the other end of the machine shaft there are two settings
The bearing, and spring is provided between the two described bearings, the spring applies pretightning force to the bearing.
3. motor as described in claim 1, which is characterized in that between being formed with first between the stator and the rotor
Gap, first gap are connected to the external fluid of the motor.
4. motor as claimed in claim 3, which is characterized in that range of the size in first gap in 0.4~0.6mm
It is interior.
5. motor as claimed in claim 4, which is characterized in that the size in first gap is 0.5mm.
6. motor as claimed in claim 3, which is characterized in that the motor cabinet includes stator supporting part and rotator abutment
Point, be formed with the second gap point between the stator supporting part and the rotator abutment, wherein second gap with
The first interstitial fluid connection, and be connected to the external fluid of the motor.
7. motor as claimed in claim 6, which is characterized in that the motor is additionally provided with air source apparatus, the motor it is outer
The air in portion flows through first gap and second gap under the action of air source apparatus.
8. motor as claimed in claim 7, which is characterized in that the air source apparatus is mounted in the wind on the machine shaft
Fan.
9. motor as described in claim 1, which is characterized in that the motor can electric motor mode and generator mode it
Between switch.
10. a kind of gas turbine, the gas turbine include:
Compressor, the compressor include compression impellor and first rotating shaft, and the compression impellor is mounted in the first rotating shaft,
And it can be rotated with the first rotating shaft；
Turbine, the turbine include turbine wheel and the second shaft, and the turbine wheel is mounted in second shaft, and energy
It is enough to be rotated with second shaft, wherein second shaft is fixedly connected with the first rotating shaft, or with described first turn
Axis is integrally formed, to constitute the main shaft of the gas turbine；
Combustion chamber, the combustion chamber are located at the downstream of the compressor and are located at the upstream of the turbine；
It is characterized in that, the gas turbine further includes the motor as described in any one of claim 1~9, the motor
The machine shaft be connected with the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506133.6U CN208955761U (en) | 2018-09-14 | 2018-09-14 | Motor and gas turbine including the motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506133.6U CN208955761U (en) | 2018-09-14 | 2018-09-14 | Motor and gas turbine including the motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955761U true CN208955761U (en) | 2019-06-07 |
Family
ID=66738036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821506133.6U Withdrawn - After Issue CN208955761U (en) | 2018-09-14 | 2018-09-14 | Motor and gas turbine including the motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208955761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964305A (en) * | 2018-09-14 | 2018-12-07 | 青岛云深动力科技有限公司 | Motor and gas turbine including the motor |
-
2018
- 2018-09-14 CN CN201821506133.6U patent/CN208955761U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964305A (en) * | 2018-09-14 | 2018-12-07 | 青岛云深动力科技有限公司 | Motor and gas turbine including the motor |
| CN108964305B (en) * | 2018-09-14 | 2023-12-05 | 潍坊云深机械科技有限公司 | Motor and gas turbine comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210622 Address after: 261500 No.1, hengsan Road, east of Kangcheng street and Jiaohe Avenue, Gaomi Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Xinyue Machinery Co.,Ltd. Address before: No.233, Jiaozhou West Road, zhongyun sub district office, Jiaozhou City, Qingdao City, Shandong Province 266300 Patentee before: QINGDAO YUNSHEN POWER TECHNOLOGY Co.,Ltd. |
|
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W119100 Conclusion of examination: The patent remains valid on the basis of claims 1-7 submitted by the patentee on June 4, 2020. Decision date of declaring invalidation: 20200706 Decision number of declaring invalidation: 45215 Denomination of utility model: Motor and gas turbine including the motor Granted publication date: 20190607 Patentee: Shandong Xinyue Machinery Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190607 Effective date of abandoning: 20231205 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190607 Effective date of abandoning: 20231205 |