CN207212696U - DDR direct-drive high-speeds motor drives centrifugal compressor - Google Patents
DDR direct-drive high-speeds motor drives centrifugal compressor Download PDFInfo
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- CN207212696U CN207212696U CN201721274911.9U CN201721274911U CN207212696U CN 207212696 U CN207212696 U CN 207212696U CN 201721274911 U CN201721274911 U CN 201721274911U CN 207212696 U CN207212696 U CN 207212696U
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- centrifugal compressor
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Abstract
The utility model discloses a kind of DDR direct-drive high-speeds motor to drive centrifugal compressor, is related to air compressor technical field.The DDR direct-drive high-speeds motor drives centrifugal compressor, including centrifugal air compressor and DDR motors, centrifugal air compressor includes base, compression Pneumatic component and oil cooling system, compression Pneumatic component includes helical blade and spiral channels, compression Pneumatic component is connected by transition transmission case with DDR motors, transition transmission case includes housing and the transition axis through housing, transition axis one end connects helical blade, the other end is connected with the output shaft of DDR motors by Buffer Unit, axial elongation or shortening of the Buffer Unit along output shaft when DDR motors work.This programme reduces DDR motor direct-drives air compressor by Buffer Unit need not coordinate decelerator, gear drive etc. to be driven, and reduce the loss of mechanical energy, and output torque is big, and rotating speed is high, makes the performance of air compressor machine more preferable.
Description
Technical field
Air compressor is the utility model is related to, centrifugal compressor is driven more particularly to a kind of DDR direct-drive high-speeds motor
Machine.
Background technology
Centrifugal compressor is one kind of air compressor, including compression Pneumatic component and oil cooling system.Compression is pneumatic
Part includes helical blade and spiral channels.Rotated by helical blade and draw air into spiral channels, spiral channels are section
The spirality channel tapered into, air move in spiral channels to the direction that section diminishes, and volume tapers into, pressure by
Gradual change is big.
But the helical blade rotating speed in centrifugal compressor is bigger, air compression level is higher.Traditional motor connection
When passing through gear drive, substantial amounts of mechanical energy has been lost, it is necessary to coordinate the transmission mechanisms such as decelerator simultaneously in centrifugal compressor,
So as to limit the rotating speed of centrifugal compressor internal helical blades.
It is existing that centrifugal compressor is driven using DDR high-speed electric expreess locomotives, DDR high-speed electric expreess locomotives because the torque of output is big,
It can be directly connected to load, it is not necessary to which the transmission mechanism such as decelerator is attached, and reduces the loss of kinetic energy, can be centrifugal
Helical blade in compressor provides bigger rotating speed.
But due to DDR high-speed electric expreess locomotives, output end has vibrations generation, directly the rotating shaft phase with helical blade when in use
Even, helical blade can be driven to shake.
Utility model content
The utility model is directed to above-mentioned technical problem, the shortcomings that overcoming prior art, there is provided a kind of DDR direct-drive high-speeds motor
Centrifugal compressor is driven, the influence that output shaft shakes when reducing DDR motor direct-drive air compressors by Buffer Unit.
In order to solve the above technical problems, the utility model provides a kind of DDR direct-drive high-speeds motor driving centrifugal compressor
Machine, including centrifugal air compressor and DDR motors, centrifugal air compressor include base, compression Pneumatic component and oil cooling
But system, compression Pneumatic component include helical blade and spiral channels, and compression Pneumatic component passes through transition transmission case and DDR motors
It is connected, transition transmission case includes housing and the transition axis through housing, transition axis one end connection helical blade, the other end and DDR
The output shaft of motor is connected by Buffer Unit, axial elongation or shortening of the Buffer Unit along output shaft when DDR motors work.
Technique effect：This programme transition axis is connected with the output shaft of DDR motors by driving member, and driving member can be vertically
The play in transmission jack.When DDR motors shake in the course of the work, cause output shaft vertically play when, driving member
Relatively with transmission jack in axial float, and coordinate the elastic deformation of spring, play cushioning effect, reduce what transition axis was subject to
Vibrations.So as to reduce the vibrations that helical blade is subject to.
The technical scheme that the utility model further limits is：
Further, Buffer Unit includes driving member and spring, and driving member is non-revolved body, transition axis and output shaft end
Provided with the transmission jack being axially inserted into for driving member, both ends of the spring contradicts transition axis and output shaft respectively.
Preceding described DDR direct-drive high-speeds motor driving centrifugal compressor, is inserted positioned at transition axis and the transmission on output shaft
The total length in hole is more than the length of driving member, and per side, the length of transmission jack is less than the length of driving member.
Preceding described DDR direct-drive high-speeds motor driving centrifugal compressor, the direction that transmission jack inserts along driving member is cut
Area tapers into.
Preceding described DDR direct-drive high-speeds motor drives centrifugal compressor, and block edge, transition transmission case are protruded on output shaft
One end face block edge of housing towards output shaft protrude baffle ring, spring is in compressive state and both ends contradict block edge and baffle ring
End face.
Preceding described DDR direct-drive high-speeds motor driving centrifugal compressor, baffle ring, transition axis are stretched out in the buffering end of transition axis
Buffer gap is left between baffle ring.
Preceding described DDR direct-drive high-speeds motor driving centrifugal compressor, interior be provided with of housing provide transition axis revolution branch
The revolving support component of support.
Preceding described DDR direct-drive high-speeds motor drives centrifugal compressor, and it is axially fixed that at least two are protruded on transition axis
Plane, axial locating surface and housing or revolving support component or helical blade offset to prevent transition axis play vertically.
Preceding described DDR direct-drive high-speeds motor driving centrifugal compressor, driving member at least one end is provided with spline.
The beneficial effects of the utility model are：
（1）Spring coordinates driving member being driven jack interior edge axial float in the utility model, plays cushioning effect, reduces
The vibrations of helical blade；
（2）The buffering end of transition axis is stretched out by baffle ring in the utility model, and buffering is left between transition axis and baffle ring
Gap, when the vibrations along output shaft radial direction occur in the course of the work for DDR motors, the buffering end of transition axis by and housing
Sheared at support, help driving member to share shearing, prevent driving member to be broken；
（3）The utility model transmits torque, and transition axis and helical blade and output shaft integrally connected by transition axis,
Kinetic energy loss is small, and output speed loss is small.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is left view of the utility model using Fig. 1 as main perspective；
Fig. 3 is Section A-A figure in Fig. 1；
Fig. 4 is enlarged drawing at I in Fig. 3；
Fig. 5 is the schematic diagram of drive member structure；
Fig. 6 is the schematic diagram of another drive member structure；
Wherein：1st, Pneumatic component is compressed；11st, helical blade；12nd, spiral channels；13rd, shell；14th, air intake；2nd, mistake
Cross transmission case；21st, housing；211st, baffle ring；212nd, buffer gap；22nd, transition axis；221st, fastening end；222nd, end is buffered；223rd, axle
To locating surface；224th, it is driven jack；23rd, revolving support component；24th, spring；25th, driving member；251st, spline；3rd, DDR motors；
31st, output shaft；32nd, block edge；4th, oil cooling system；5th, base.
Embodiment
A kind of DDR direct-drive high-speeds motor driving centrifugal compressor that the present embodiment provides, structure is as shown in figures 1 to 6.
Wherein identical parts are presented with like reference characters.It should be noted that the word used below in description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
The DDR direct-drive high-speeds motor drives centrifugal compressor, including centrifugal air compressor and DDR motors, centrifugation
Formula air compressor includes base, compression Pneumatic component and oil cooling system, and compression Pneumatic component includes helical blade and volute
Passage, compression Pneumatic component are connected by transition transmission case with DDR motors, and transition transmission case includes housing and through housing
Transition axis, transition axis one end connection helical blade, the other end is connected with the output shaft of DDR motors by Buffer Unit, when DDR electricity
Axial elongation or shortening of the Buffer Unit along output shaft when machine works.
Transition axis is connected with the output shaft of DDR motors by driving member, and driving member can alter in transmission jack vertically
It is dynamic.When DDR motors shake in the course of the work, cause output shaft vertically play when, driving member is relative with being driven jack
In axial float, and coordinate the elastic deformation of spring, play cushioning effect, reduce the vibrations that transition axis is subject to.So as to reduce
The vibrations that helical blade is subject to.
Wherein, Buffer Unit includes driving member and spring, and driving member is non-revolved body, and transition axis is provided with output shaft end
The transmission jack being axially inserted into for driving member, both ends of the spring contradict transition axis and output shaft respectively.Positioned at transition axis and output
The total length of transmission jack on axle is more than the length of driving member, and per side, the length of transmission jack is less than the length of driving member.
The direction sectional area that transmission jack inserts along driving member tapers into.Block edge, transition transmission are protruded on output shaft
One end face block edge of the housing of case towards output shaft protrudes baffle ring, and spring is in compressive state and both ends contradict block edge and gear
The end face of ring.Baffle ring is stretched out at the buffering end of transition axis, and buffer gap is left between transition axis and baffle ring.
The revolving support component that revolving support is provided transition axis is provided with housing.At least two axles are protruded on transition axis
To locating surface, axial locating surface and housing or revolving support component or helical blade offset to prevent transition axis play vertically.
Driving member at least one end is provided with spline.
Spring coordinates driving member being driven jack interior edge axial float in the utility model, plays cushioning effect, reduces spiral shell
The vibrations of vane piece.The buffering end of transition axis is stretched out by baffle ring, and buffer gap is left between transition axis and baffle ring, works as DDR
When vibrations along output shaft radial direction occur in the course of the work for motor, the buffering end of transition axis by with cut at housing support
Power, help driving member to share shearing, prevent driving member to be broken.And transition axis and helical blade and output shaft integrally connected, are moved
Energy loss is small, and output speed loss is small.
In addition to the implementation, the utility model can also have other embodiment；It is all to use equivalent substitution or equivalent change
The technical scheme to be formed is changed, all falls within the protection domain of the requires of the utility model.
Claims (9)
1. a kind of DDR direct-drive high-speeds motor drives centrifugal compressor, including centrifugal air compressor and DDR motors（3）,
The centrifugal air compressor includes base（5）, compression Pneumatic component（1）And oil cooling system（4）, the compression pneumatic department
Part（1）Including helical blade（11）And spiral channels（12）, it is characterised in that：The compression Pneumatic component（1）Passed by transition
Dynamic case（2）With the DDR motors（3）It is connected, the transition transmission case（2）Including housing（21）And through the housing（21）
Transition axis（22）, the transition axis（22）One end connects the helical blade（11）, the other end and the DDR motors（3）'s
Output shaft（31）It is connected by Buffer Unit, when the DDR motors（3）The Buffer Unit is along the output shaft during work（31）
Axial elongation or shortening.
2. DDR direct-drive high-speeds motor according to claim 1 drives centrifugal compressor, it is characterised in that：The buffering
Component includes driving member（25）And spring（24）, the driving member（25）For non-revolved body, the transition axis（22）With it is described defeated
Shaft（31）End, which is provided with, supplies the driving member（25）The transmission jack being axially inserted into（224）, the spring（24）Both ends point
The transition axis is not contradicted（22）With the output shaft（31）.
3. DDR direct-drive high-speeds motor according to claim 2 drives centrifugal compressor, it is characterised in that：Positioned at described
Transition axis（22）With the output shaft（31）On the transmission jack（224）Total length be more than the driving member（25）Length
Degree, jack is driven described in per side（224）Length be less than the driving member（25）Length.
4. DDR direct-drive high-speeds motor according to claim 3 drives centrifugal compressor, it is characterised in that：The transmission
Jack（224）Along the driving member（25）The direction sectional area of insertion tapers into.
5. DDR direct-drive high-speeds motor according to claim 4 drives centrifugal compressor, it is characterised in that：The output
Axle（31）On protrude block edge（32）, the transition transmission case（2）Housing（21）Towards the output shaft（31）One rectify
To the block edge（32）Protrude baffle ring（211）, the spring（24）The block edge is contradicted in compressive state and both ends（32）
With the baffle ring（211）End face.
6. DDR direct-drive high-speeds motor according to claim 5 drives centrifugal compressor, it is characterised in that：The transition
Axle（22）Buffering end（222）Stretch out the baffle ring（211）, the transition axis（22）With the baffle ring（211）Between leave it is slow
Rush gap（212）.
7. DDR direct-drive high-speeds motor according to claim 6 drives centrifugal compressor, it is characterised in that：The housing
（21）It is interior to be provided with to the transition axis（22）The revolving support component of revolving support is provided（23）.
8. DDR direct-drive high-speeds motor according to claim 7 drives centrifugal compressor, it is characterised in that：The transition
Axle（22）On protrude at least two axial locating surfaces（223）, the axial locating surface（223）With the housing（21）It is or described
Revolving support component（23）Or the helical blade（11）Offset to prevent the transition axis（22）Play vertically.
9. the DDR direct-drive high-speeds motor driving centrifugal compressor according to claim 3 or 8, it is characterised in that：The biography
Moving part（25）At least one end is provided with spline（251）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274911.9U CN207212696U (en) | 2017-09-30 | 2017-09-30 | DDR direct-drive high-speeds motor drives centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274911.9U CN207212696U (en) | 2017-09-30 | 2017-09-30 | DDR direct-drive high-speeds motor drives centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212696U true CN207212696U (en) | 2018-04-10 |
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ID=61820254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274911.9U Active CN207212696U (en) | 2017-09-30 | 2017-09-30 | DDR direct-drive high-speeds motor drives centrifugal compressor |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588016A (en) * | 2017-09-30 | 2018-01-16 | 南京创贝高速传动机械有限公司 | A kind of DDR direct-drive high-speeds motor drives centrifugal compressor |
-
2017
- 2017-09-30 CN CN201721274911.9U patent/CN207212696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588016A (en) * | 2017-09-30 | 2018-01-16 | 南京创贝高速传动机械有限公司 | A kind of DDR direct-drive high-speeds motor drives centrifugal compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190610 Address after: 211113 Lantian Road, Lukou Street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Xinhang Turbine Machinery Co., Ltd. Address before: 211100 South of Lantian Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee before: Nanjing Chuan Bei high-speed drive Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right |