CN207801635U - A kind of late-model inline pump motor special - Google Patents
A kind of late-model inline pump motor special Download PDFInfo
- Publication number
- CN207801635U CN207801635U CN201721779579.1U CN201721779579U CN207801635U CN 207801635 U CN207801635 U CN 207801635U CN 201721779579 U CN201721779579 U CN 201721779579U CN 207801635 U CN207801635 U CN 207801635U
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- bearing
- bearing block
- oil sump
- shaft
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Abstract
A kind of late-model inline pump motor special, including engine base, internal fan, stator core periphery is in being installed with the more cooling tubes axially through setting on engine base, and cooling tube is connected to the outlet housing at shaft axle stretch end；Bearing arrangement is installed in bearing block and includes bearing shell and disc, axle bush sleeve is set in bearing block, bearing block is made of the bearing seat of honour and bearing base, internal fan is symmetrically fixedly arranged in the shaft between bearing arrangement and rotor, bearing base includes the partition board being fixedly arranged at left and right sides of bearing block ontology, bearing block cavity is divided into left oil sump, middle oil sump and right oil sump by partition board, left oil sump, right oil sump are connected to setting with middle oil sump, disc is set in bearing shell periphery and in the middle oil sump of bearing block cavity, and non-shaft stretching end is equipped with external fan and equipped with bent road fan guard.The late-model inline pump motor special improves bearing block structure, improves bearing self-lubricating effect, and add bent road fan guard, extends wind path propagation path, reduces noise.
Description
Technical field
The utility model belongs to oil line road pipeline electric motor for pump technical field, more particularly to a kind of late-model inline pump is special
Use motor.
Background technology
With the development of national economy, the protection of the energy, ecology and environment gradually causes the attention of international community, wherein
Noise problem more and more causes the extensive attention of people, noise level to have become an important finger for weighing motor mass height
Mark has become a key factor for examining its product to strive power unexpectedly.The pipeline pump motor special quilt substantially in oil line road face
Foreign countries' monopolization, although now the country can produce noise of motor it is bigger than normal it is undesirable, bearing bush temperature is higher to meet
User uses, in addition pipeline pumping unit（Production domesticization is the substantial equipment production domesticization project of National Energy Board's concern.Pipeline pump at present
Motor difficult point：Field work open air left unguarded generally is belonged to, pipeline pump motor is external Siemens or the ridges ABB at present
It is disconnected, and structure is no-spark type, according to newest standards, no-spark motor certificate expiration needs to increase purging air interchanger, uses
Family transformation maintenance etc. makes troubles.
Flame-proof type self-lubricating motor (hereinafter referred to as IC511 motors) can substitute the use of no-spark motor completely, only need to solve
Self-lubricating bearing bush temperature brings new opportunity for my development of company.However, bearing bush temperature control is problem, pipeline motor
Typically 2P self-lubricatings, and the realization of self-lubricating, it is necessary to form oil film, have spy to the viscosity etc. of oil film thickness, oil
Different requirement, therefore require rotor weight too big, oil film will be unable to be formed if rotor weight is overweight, and self-lubricating is also
It does not realize；And self-lubricating mode, bearing bush temperature are easy height, and simple is lubricated by the oil inside existing bearing block,
There is no the heat exchange of temperature difference, bearing shell heat dissipation effect poor, it is therefore desirable to improve cooling of the bearing self-lubricating mode to bearing shell.
Utility model content
The purpose of this utility model is the application for current pipeline pump motor, provides a kind of late-model inline pump Special electric
Machine improves bearing block structure, improves bearing self-lubricating effect, and add bent road fan guard, extends wind path propagation path, and reduction is made an uproar
Sound.
In order to solve the above technical problems, the technical solution adopted in the utility model is：The late-model inline pump motor special, packet
Engine base, internal fan, the stator in engine base and the rotor with stator gap cooperation installation are included, rotor, which is fixedly mounted on, to be turned
On axis, stator core periphery in being installed with the more cooling tubes axially through setting on engine base, and cooling tube be set to shaft
Outlet housing connection at axle stretch end；The front and back end of engine base is correspondingly provided with end cap respectively, and bearing dress is equipped between end cap and shaft
It sets, and outside is correspondingly provided with internal bearing cover and bearing cover respectively in bearing arrangement, bearing arrangement is installed in bearing block and wraps
Bearing shell and disc are included, axle bush sleeve is set in bearing block, and bearing block is made of the bearing seat of honour and bearing base, and internal fan is symmetrically solid
In shaft between bearing arrangement and rotor, the axle stretch end side for defining shaft is a left side, and the bearing base includes bearing block
Ontology, bearing block cavity and the partition board being fixedly arranged at left and right sides of bearing block ontology, and bearing block cavity is divided into a left side by partition board
Oil sump, middle oil sump and right oil sump, and left oil sump, right oil sump are connected to setting with middle oil sump, disc is set in bearing shell periphery simultaneously
In the middle oil sump of bearing block cavity.
Non-shaft stretching end is equipped with external fan and is equipped with bent road fan guard on the right side of external fan, and song road fan guard includes tight
The first wind scooper and be fixedly arranged on cylindrical circular second wind scooper on the right side of the first wind scooper in an axial direction that adjacent external fan is arranged, and
The center position of first wind scooper right side wall offers central ventilation mouth；It is equipped with air-flow in first wind scooper from central ventilation
The deflector of mouth position Directed cooling pipe；Arrangement offers multiple air inlets on the circumference shell of second wind scooper, and second leads
The left side wall of fan housing is arranged with the wind blocking cylinder protruded to the right in an axial direction at central ventilation mouth, on the right side wall of the second wind scooper in
It is additionally provided with the air guide ring protruded to the left in an axial direction on the inside of air inlet.
When external fan rotates, external cold wind is entered by the air inlet of bent road fan guard and in air guide ring, wind blocking cylinder
Qu Lufeng diameters are formed under blocking, cold wind conveys through central ventilation mouth and is sent to cooling under the action of deflector to the left later
Pipe, finally exports through outlet housing.
When internal fan rotates, internal gas flow is reached the axial ventilation road of rotor by internal fan, radially logical through stator after
Air duct be sent to by stator core the gap between cooling tube and to the left and right both sides conveying and transmission process in in cooling tube
Heat exchange occurs for cold wind, and the air-flow after heat exchange is back to internal fan under the blocking of engine base and end cap.
The rotor be cast-aluminum rotor, and in the shaft between internal fan and cast-aluminum rotor it is axially symmetric be equipped with balance ring simultaneously
Be equipped with balance ring in the upper and lower sides of shaft radial direction, and balance ring be equipped with can fixed balance weight wedge groove.
It is equipped with silencing means on the right side wall of second wind scooper.
What the outlet housing was fixedly connected by vertically arranged cylindrical shape cover body and smoothly transitting with cylindrical shape covering on top
Cover body air outlet is constituted, and cover body air outlet is arranged to the right, and silencing cotton is equipped on the wind path of outlet housing.
It is equipped with silencing cotton in the deflector, wind blocking cylinder and air guide ring.
The shaft shoulder is equipped at the cooperation of shaft and bearing arrangement, the shaft outer surface between the shaft shoulder is pedestal, pedestal surface
Roughness be Ra0.40 μm, the circular arc chamfering at pedestal and the shaft shoulder is R8.
The external fan is airfoil type external fan.
The lower part of the bearing block ontology is equipped with the drain oil communicated with bearing block cavity, and drain oil is equipped with sealing spiral shell
Bolt.
The venthole for oiling is offered at the top of the bearing seat of honour, and venthole is equipped with the ventilation for sealing
Nut.
The bearing body and partition board of the bearing base are integrally formed.
The utility model has the beneficial effects that：1）The late-model inline pump motor special improves bearing block structure and outlet housing,
Bent road fan guard is added, pipeline pump motor self-lubricating is solved the problems, such as, meets noise and the requirement of Wen Sheng；
2) improve bearing block structure, by bearing block cavity be divided into connection setting left oil sump and right oil sump, and with middle oil
Pond forms liquid level difference, and the oil in being driven when disc rotates in oil sump cools down bearing shell, under the left and right of liquid level difference, gets rid of oil
The dynamic oil mass of annulus increases, and more preferable to the cooling effect of bearing shell, self-lubricating effect gets a promotion；
3）Using cast-aluminum rotor, rotor weight mitigates, and reduces the load of bearing shell, reduces calorific value, and then lower bearing shell
Temperature；
4）The setting of bent road fan guard quotes external cold wind and carries out heat exchange with the hot wind in motor, reached cooling and made
With, while the path of wind path propagation is extended, and corresponding acoustical panel is set on wind path and installs quieter material, noise reduction additional
It improves；
5）The improvement of the roughness and pedestal on pedestal surface and circular arc chamfering at the shaft shoulder, reduces shaft shoulder root
Stress concentration improves lubricant effect；
6）The balance ring added between internal fan and stator core improves the balance of rotor operation, while in balance ring
Equipped with can fixed balance weight wedge groove, the run stability of rotor entirety improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of bearing arrangement；
Fig. 3 is the structural schematic diagram of rotor；
Fig. 4 is the structural schematic diagram of outlet housing；
Fig. 5 is the side view of outlet housing；
Fig. 6 is the structural schematic diagram of the shaft shoulder.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
The utility model provides a kind of late-model inline pump motor special, as shown in Figures 1 to 6.The late-model inline pump is special
With motor, including engine base 1, internal fan 5, the stator 11 in engine base 1 and the rotor with the installation of 11 clearance fit of stator
12, rotor 12 is fixedly mounted in shaft 13, and stator core periphery is in being installed with more axially through the cold of setting on engine base
But pipe 7, and cooling tube 7 is connected to the outlet housing 51 at shaft axle stretch end；It is correspondingly provided with end respectively in the front and back end of engine base 1
Lid is equipped with bearing arrangement 2 between end cap and shaft, and outside is correspondingly provided with internal bearing cover and bearing respectively in bearing arrangement 2
Outer cover, bearing arrangement are installed in bearing block and include bearing shell 21 and disc 22, and bearing shell 21 is sheathed in bearing block, disc
22 are set to 21 centre position of bearing shell, and bearing block is made of the bearing seat of honour 23 and bearing base 24, and internal fan 5 is symmetrically fixedly arranged on axis
In shaft between bearing apparatus and rotor, in the present embodiment, it is equipped with windshield between internal fan and engine base, defines the axle stretch end one of shaft
Side is a left side, and the bearing base 24 is including bearing block ontology 241, bearing block cavity and is fixedly arranged on bearing block ontology 241 or so
The partition board 242 of both sides, and bearing block cavity is divided into left oil sump 251, middle oil sump 252 and right oil sump 253 by partition board 242, and it is left
Oil sump 251, right oil sump 253 and middle oil sump 252 are connected to setting, and disc 22 is set in 21 intermediate position of bearing shell and is located at bearing
In the middle oil sump 252 of seat cavity.Lubricating oil be added after, liquid level submerge partition board lower port, bearing base left oil sump 251,
Liquid level difference, and left oil sump 251 and high-order consistent, the intermediate liquid level of 253 liquid level of right oil sump are formed between middle oil sump 252 and right oil sump 253
Relatively low, disc 22 is set in the intermediate position of bearing shell 21, when the spindle is rotated, drives disc 22 to rotate, by middle oil sump 252
In lubricating oil drive to being cooled down inside bearing shell 21, and lubricating oil forms oil film between bearing shell 21 and shaft, avoids bearing shell
Dry friction is formed between 21 and shaft, causes 21 temperature of bearing shell is excessively high to burn bearing shell；The consumption of lubricating oil, makes a left side in middle oil sump 252
The liquid level of lubricating oil and lubricating oil in middle oil sump 252 in right oil sump 253 generates difference, forms pressure difference and then leads to pressure
Difference, because the presence of pressure difference is easier that disc 22 is made to drive lubricating oil, i.e., the oil mass that disc 22 drives in the unit interval increases
Add, and then improves to the cooling effect of bearing shell 21.
The top at the bearing seat of honour 23 offers the venthole 6 for oiling, and venthole 6 is equipped for sealing
Ventilation nut 61；The lower part of bearing base 24 is equipped with the drain oil 62 that is communicated with bearing block cavity, and drain oil 62 be equipped with it is close
Seal bolt 63.When needing oiling, ventilation nut 61 is opened by the oiling into bearing block cavity of drain oil 62, and liquid level is soaked
Do not have the lower port of partition board；When lubricating oil is needed replacing using certain time, the sealing bolt 63 of bearing block body lower part is opened, it will
Waste oil in bearing block cavity oil sump is excluded through drain oil 62, after waste oil all excludes, is tightened sealing bolt 63, is opened ventilation
Nut 61, refills lubricating oil.
Non-shaft stretching end is equipped with external fan 3 and is equipped with bent road fan guard on the right side of external fan 3, described outer in the present embodiment
Fan 3 is airfoil type external fan.The song road fan guard includes the first wind scooper 41 being arranged close to external fan and in an axial direction
It is fixedly arranged on 41 cylindrical circular second wind scooper 42 in right side of the first wind scooper, and the center of 41 right side wall of the first wind scooper is opened
Equipped with central ventilation mouth；It is equipped in first wind scooper 41 by air-flow from the deflector of center vent position Directed cooling pipe 6
411；Arrangement offers multiple air inlets 421 on the circumference shell of second wind scooper 42, and the left side wall of the second wind scooper 42 in
The wind blocking cylinder 422 protruded to the right is arranged at central ventilation mouth in an axial direction, it is preferred that be all provided on the right side wall of the second wind scooper 42
Have a silencing means 423, be additionally provided on the inside of air inlet on the right side wall of the second wind scooper 42 protrude to the left in an axial direction for changing
Become the air guide ring 424 in wind path path.Preferably, in order to improve noise reduction, the deflector 411, wind blocking cylinder 422 and air guide ring
Silencing cotton is equipped in 424.
About airfoil type external fan, entitled application No. is 2017209308695《A kind of low noise airfoil type motor from
Heart fan》Utility model patent in made and having illustrated.
When external fan rotates, external cold wind from bent road fan guard air inlet enter and under the blocking of air guide ring to
Left side is transmitted, and is then sent to right part under the blocking of wind blocking cylinder, under the silencing means blocking through the second wind scooper right side wall
Change wind path propagation to convey to the left through central ventilation mouth, and cooling tube is sent under the action of deflector, finally through outlet housing
Export.When internal fan rotates, internal gas flow is reached the axial ventilation road of rotor by internal fan, through stator radial ducts after
In the gap that is sent to by stator core between cooling tube and both sides conveying to the left and right and transmission process with the cold wind in cooling tube
Heat exchange occurs, the air-flow after heat exchange is back to internal fan under the blocking of engine base and end cap.Bent road fan guard, external fan and interior
The setting of fan is so that the hot wind inside external cold wind and motor occurs heat exchange and carries out drop heat, while bent road fan guard is set
It sets so that wind path song road is propagated, and propagation path is extended, and is equipped with silencing cotton on wind path and is subject to noise reduction processing, noise reduction
It gets a promotion.
The rotor 12 is cast-aluminum rotor, and axially symmetric equipped with balance ring in the shaft between internal fan and cast-aluminum rotor
121 and be equipped with balance ring 121 in the upper and lower sides of shaft radial direction, and balance ring 121 be equipped with can fixed balance weight wedge groove
122.The application of cast-aluminum rotor makes rotor weight mitigate, and reduces the load of bearing shell, reduces calorific value, and then lower the temperature of bearing shell
Degree improves the balance of rotor operation, at the same be arranged in balance ring can fixed balance weight wedge groove 122 so that upper and lower sides
Weight-adjustable, the whole run stability of rotor 12 are improved.
The outlet housing 51 of 13 axle stretch end of shaft setting by vertically arranged cylindrical shape cover body 512 and with cylindrical shape cover body 512
The smoothly transit cover body air outlet 513 that is fixedly connected of top is constituted, and cover body air outlet 513 is arranged to the right, outlet housing 51
Silencing cotton is equipped on wind path.About the outlet air cover structure entitled application No. is 2017209379012《A kind of motor is with low
Outlet air fan housing after noise》Utility model patent in made and having illustrated.
It is equipped with the shaft shoulder 131 at shaft 13 and the cooperation of bearing arrangement, the shaft outer surface between the shaft shoulder 131 is pedestal 132,
The roughness on 132 surface of pedestal is Ra0.40 μm, and pedestal 132 is R8 with the circular arc chamfering at the shaft shoulder 131, reduces the shaft shoulder
The stress concentration of 131 roots improves lubricant effect, and preferably, lubricating oil viscosity selects IS0VG32.
In order to improve the rigidity of bearing block, the bearing body and partition board of the bearing base are using integrated molding, this implementation
Seat is poured using casting technique under example middle (center) bearing.
The words such as " first ", " second " have been used in this patent come if limiting parts, those skilled in the art should
Know：The use of " first ", " second " is intended merely to facilitate description the utility model and simplifies and describes, and above-mentioned word is not
Special meaning.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these changes and improvements are both fallen within the scope of claimed utility model.The requires of the utility model
Protection domain is defined by appended claims and equivalent.
In the description of the present invention, it should be understood that term "front", "rear", "left", "right", "center", etc. fingers
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is only the utility model and letter for ease of description
Change description, rather than indicate or imply signified device or element must have a particular orientation, for specific azimuth configuration and
Operation, thus should not be understood as the limitation that content is protected to the utility model.
Claims (10)
1. a kind of late-model inline pump motor special, including engine base, internal fan, the stator in engine base and and stator gap
Coordinate the rotor of installation, rotor is fixedly mounted in shaft, stator core periphery in be installed on engine base more axially through
The cooling tube of setting, and cooling tube is connected to the outlet housing at shaft axle stretch end；The front and back end of engine base is correspondingly provided with respectively
End cap is equipped with bearing arrangement between end cap and shaft, and outside is correspondingly provided with internal bearing cover and bearing respectively in bearing arrangement
Outer cover, bearing arrangement are installed in bearing block and include bearing shell and disc, and axle bush sleeve is set in bearing block, and bearing block is by bearing
The seat of honour and bearing base composition, internal fan are symmetrically fixedly arranged in the shaft between bearing arrangement and rotor, define the axle stretch end of shaft
Side is a left side, it is characterised in that：
The bearing base includes bearing block ontology, bearing block cavity and the partition board being fixedly arranged at left and right sides of bearing block ontology,
And bearing block cavity is divided into left oil sump, middle oil sump and right oil sump by partition board, and left oil sump, right oil sump are connected to middle oil sump and set
It sets, disc is set in bearing shell periphery and in the middle oil sump of bearing block cavity；
Non-shaft stretching end is equipped with external fan and is equipped with bent road fan guard on the right side of external fan, and song road fan guard includes close to outer
The first wind scooper and be fixedly arranged on cylindrical circular second wind scooper on the right side of the first wind scooper in an axial direction that fan is arranged, and first
The center position of wind scooper right side wall offers central ventilation mouth；It is equipped with air-flow in first wind scooper from center ventilation opening position
Set the deflector of Directed cooling pipe；Arrangement offers multiple air inlets, and the second wind scooper on the circumference shell of second wind scooper
Left side wall be arranged with the wind blocking cylinder protruded to the right in an axial direction at central ventilation mouth, in air inlet on the right side wall of the second wind scooper
It is additionally provided with the air guide ring protruded to the left in an axial direction on the inside of mouthful；
When external fan rotates, external cold wind is entered and by the air inlet of bent road fan guard in the blocking of air guide ring, wind blocking cylinder
Lower formation Qu Lufeng diameters, later cold wind conveyed to the left through central ventilation mouth and be sent to cooling tube under the action of deflector, most
It is exported eventually through outlet housing；
When internal fan rotates, internal gas flow is reached the axial ventilation road of rotor by internal fan, through stator radial ducts after
In the gap that is sent to by stator core between cooling tube and both sides conveying to the left and right and transmission process with the cold wind in cooling tube
Heat exchange occurs, the air-flow after heat exchange is back to internal fan under the blocking of engine base and end cap.
2. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：The rotor turns for cast aluminium
Son, and axially symmetric be equipped with and is equipped with balance ring in the upper and lower sides of shaft radial direction in the shaft between internal fan and cast-aluminum rotor
Balance ring, and balance ring be equipped with can fixed balance weight wedge groove.
3. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：The right side of second wind scooper
Silencing means is equipped on side wall.
4. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：The outlet housing is by vertically setting
The cylindrical shape cover body set and the cover body air outlet being fixedly connected that smoothly transits with cylindrical shape covering on top are constituted, and cover body air outlet
It is arranged to the right, silencing cotton is equipped on the wind path of outlet housing.
5. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：The deflector, wind blocking cylinder
With silencing cotton is equipped in air guide ring.
6. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：Shaft and bearing arrangement are matched
The shaft shoulder is equipped at conjunction, the shaft outer surface between the shaft shoulder is pedestal, and the roughness on pedestal surface is Ra0.40 μm, pedestal with
Circular arc chamfering at the shaft shoulder is R8.
7. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：The external fan is airfoil type
External fan.
8. a kind of late-model inline pump motor special according to claim 1, it is characterised in that：Under the bearing block ontology
Portion is equipped with the drain oil communicated with bearing block cavity, and drain oil is equipped with sealing bolt.
9. a kind of late-model inline pump motor special according to any one of claims 1 to 8, it is characterised in that：On the bearing
The top of seat offers the venthole for oiling, and venthole is equipped with the ventilation nut for sealing.
10. a kind of late-model inline pump motor special according to claim 9, it is characterised in that：The axis of the bearing base
It holds ontology and partition board is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779579.1U CN207801635U (en) | 2017-12-19 | 2017-12-19 | A kind of late-model inline pump motor special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779579.1U CN207801635U (en) | 2017-12-19 | 2017-12-19 | A kind of late-model inline pump motor special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801635U true CN207801635U (en) | 2018-08-31 |
Family
ID=63281380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721779579.1U Withdrawn - After Issue CN207801635U (en) | 2017-12-19 | 2017-12-19 | A kind of late-model inline pump motor special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
| CN111555550A (en) * | 2019-02-08 | 2020-08-18 | 东芝三菱电机产业系统株式会社 | Totally-enclosed outer fan type rotating electrical machine and outer fan cover |
-
2017
- 2017-12-19 CN CN201721779579.1U patent/CN207801635U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
| CN111555550A (en) * | 2019-02-08 | 2020-08-18 | 东芝三菱电机产业系统株式会社 | Totally-enclosed outer fan type rotating electrical machine and outer fan cover |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |