CN108019373A - Bearing automatic lubrication installation - Google Patents
Bearing automatic lubrication installation Download PDFInfo
- Publication number
- CN108019373A CN108019373A CN201711057692.3A CN201711057692A CN108019373A CN 108019373 A CN108019373 A CN 108019373A CN 201711057692 A CN201711057692 A CN 201711057692A CN 108019373 A CN108019373 A CN 108019373A
- Authority
- CN
- China
- Prior art keywords
- bearing
- oil
- shaft sleeve
- helicla flute
- lubricating oil
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/0462—Bearing cartridges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses bearing automatic lubrication installation, including bear box, the axle sleeve and rolling bearing that are arranged in bear box, axle sleeve includes Upper shaft sleeve and Lower shaft sleeve, and rolling bearing is provided with Upper shaft sleeve, gap is provided between Lower shaft sleeve and bear box, helicla flute is provided with the outer wall of Lower shaft sleeve；Oil supplying hole is provided with bear box, one end of oil supplying hole above Lower shaft sleeve outer wall with being in contact, the other end of oil supplying hole is arranged on the top of rolling bearing, and oil storage tank is provided with below bear box, and the gap between Lower shaft sleeve and bear box is communicated with the oil storage tank.Bearing automatic lubrication installation provided by the invention is provided with helicla flute on the outer wall of Lower shaft sleeve, done work by helicla flute rotation to lubricating oil, make axle sleeve that the lubricating oil in oil storage tank is transported in oil supplying hole by helicla flute when rotating, and then this device is stablized pumping lubricating oil under various operating modes to the top of rolling bearing.
Description
Technical field
The present invention relates to technical field of bearings, concretely relates to bearing automatic lubrication installation.
Background technology
Since the upper bearing of vertical pump supports the axial force and partially radially power of whole rotor part, work as vertical pump
Upper bearing when using rolling bearing, the lubrication of rolling bearing and cooling effect are to the operation stability and bearing that entirely pump
Service life play conclusive effect, wherein, the lift of lubricating oil, flow, pulsation are most important to rolling bearing.
At present, the rotor of large vertical water pumps can reach weight 2.5t or so, in order to meet vertical pump rolling bearing not
With under rotating speed it is reliable and stable operation, it is necessary to bearing lubrication oil system under various operating modes, ensure lubricating oil can oil stablize, arteries and veins
It is dynamic it is small, cooling effect is excellent.Vertical type pump bearing lubrication mainly has grease lubrication and thin oil lubricant at present, and grease lubrication needs periodically to carry out
Grease up, thin oil lubricant then need setting to get rid of oil jacket pumping or bearing is immersed in oil sump by oil film wedge pressure profit
It is sliding, but both lubricating systems are not satisfactory in slow-speed of revolution operating mode lower bearing lubricant effect.
Denomination of invention
In place of solving the shortcomings of the prior art, stablize the present invention provides one kind, reliable bearing moistens automatically
Sliding device.
In order to achieve the above object, the technical solution adopted in the present invention is：
Bearing automatic lubrication installation, including bear box, the axle sleeve and rolling bearing that are arranged in the bear box,
The axle sleeve includes Upper shaft sleeve and Lower shaft sleeve, and the rolling bearing, the Lower shaft sleeve are provided with the Upper shaft sleeve
Gap is provided between the bear box, helicla flute is provided with the outer wall of the Lower shaft sleeve；
Oil supplying hole is provided with the bear box, one end of the oil supplying hole above the Lower shaft sleeve outer wall with connecting
Touching, the other end of the oil supplying hole is arranged on the top of the rolling bearing, and oil storage tank is provided with below the bear box,
Gap between the Lower shaft sleeve and the bear box is communicated with the oil storage tank；
Wherein, the helicla flute is used to the lubricating oil in the oil storage tank is transported to the confession when the axle sleeve rotates
In oilhole.
Further, it is provided with cooling jacket between the inner wall of the outer wall of the Lower shaft sleeve and the bear box.
Further, the number of the oil supplying hole is even number.
Further, the helicla flute is rectangular spiral groove, and the helical angle of the rectangular spiral groove is between 15 ° to 35 °.
Further, the preparation method of the rectangular spiral groove, includes the following steps：
By the diameter of axle of bearing and the lubricants capacity of needs, to calculate the lubrication pressure of lubricating oil；
By the lubricants capacity and lubrication pressure of bearing, the quantity of oil supplying hole is determined, and it is the helical angle of helicla flute, spiral
Diameter, opposite thread groove, seal clearance, the parameter of number of starts and opposite thread groove width.
Further, the parameter determination method of the helicla flute, includes the following steps：
By the parameter of helicla flute, Reynolds number and critical Reynolds number of the lubricating oil in helicla flute are calculated, and pass through lubrication
The contrast of the numerical values recited of Reynolds number of the oil in helicla flute and critical Reynolds number, come judge lubricating oil thread segment fluid whether
Whether in laminar flow operating mode, and it is laminar flow to judge that lubricating oil flows in upper oil hole.
Further, the parameter determination method of the helicla flute, further includes following steps：
By the H-Max value of lubricating oil generation of the bearing in different rotary speed, calculation bearing and in upper oil hole
The gross head penalty values of generation go forward side by side line number value contrast, be lubricated to judge whether lubricating oil can rise to bearing top.
Further, pressure ring, the top of the pressure ring and the Upper shaft sleeve are provided with above the inner ring of the rolling bearing
It is connected；Bearing gland, the top of the bearing gland and the bear box are provided with above the outer ring of the rolling bearing
It is connected；The rolling bearing, the pressure ring and the bearing gland form cavity.
Further, dustproof cover is provided with above the pressure ring and the bearing gland, the dustproof cover makes the sky
Chamber forms confined space.
Further, the pressure ring is connected with the top of the Upper shaft sleeve by locking nut.
The present invention provides bearing automatic lubrication installation, by being provided with helicla flute on the outer wall of Lower shaft sleeve, passes through spiral shell
Lubricating oil is done work in spin slot rotation, makes axle sleeve that the lubricating oil in oil storage tank is transported in oil supplying hole by helicla flute when rotating,
And then this device is set to stablize pumping lubricating oil under various speed conditions to the top of rolling bearing；And through rolling bearing
The lubricating oil that flows through is reflowable in oil storage tank, forms oil circulation system, has the advantages that preferable technology, economic effect.
Brief description of the drawings
Fig. 1 is the structure diagram of the bearing automatic lubrication installation of exemplary embodiment of the present.
In figure, 1- oil storage tanks, 2- bear boxes, 3- rolling bearings, 4- axle sleeves, 5- dustproof covers, 6- locking nuts, 7- bearings
Gland, 8- pressure rings, 9- cooling jackets, 10- oil supplying holes.
Embodiment
To overcome deficiency of the prior art, the present invention provides bearing automatic lubrication installation.To make the purpose of the present invention, skill
Art scheme and advantage are clearer, below in conjunction with the attached drawing in the preferred embodiment of the present invention, in the embodiment of the present invention
Technical solution is further described in more detail.In the accompanying drawings, same or similar label represents same or similar from beginning to end
Element has the function of same or like element.Described embodiment is part of the embodiment of the present invention, rather than all
Embodiment.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, without being understood that
For limitation of the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiments obtained, belong to the scope of protection of the invention.Below in conjunction with the accompanying drawings to the reality of the present invention
Example is applied to be described in detail.
Embodiment 1
As shown in Figure 1, bearing automatic lubrication installation, including bear box 2, the axle sleeve 4 that is arranged in bear box and rolling
Dynamic bearing 3, axle sleeve 4 include Upper shaft sleeve and Lower shaft sleeve, rolling bearing 3 are provided with Upper shaft sleeve, between Lower shaft sleeve and bear box 2
Gap is provided with, helicla flute is provided with the outer wall of Lower shaft sleeve；It is provided with oil supplying hole 10 in bear box 2, the one of oil supplying hole 10
End above Lower shaft sleeve outer wall with being in contact, and the other end of oil supplying hole 10 is arranged on the top of rolling bearing 3, bear box 2
Lower section is provided with oil storage tank 1, and the gap between Lower shaft sleeve and bear box 2 is communicated with oil storage tank 1；Wherein, helicla flute is used for
Lubricating oil in oil storage tank 1 is transported in oil supplying hole 10 by axle sleeve 4 when rotating.Due to being provided with spiral shell on the outer wall of Lower shaft sleeve
Spin slot, does work lubricating oil by helicla flute rotation, by helicla flute that the lubricating oil in oil storage tank 1 is defeated when rotating axle sleeve 4
It is sent in oil supplying hole 10；It is and reflowable through the gap between Lower shaft sleeve and bear box 2 through the lubricating oil that rolling bearing 3 flows through
Into oil storage tank 1, oil circulation system is formed.
Wherein, it is provided with cooling jacket 9 between the inner wall of the outer wall of Lower shaft sleeve and bear box 2；Helicla flute is rectangle spiral shell
Spin slot, the helical angle of rectangular spiral groove is 15 °；The quantity of oil supplying hole 10 is even number.
Pressure ring 8 is provided with above the inner ring of rolling bearing 3, pressure ring 8 is connected with the top of Upper shaft sleeve；Rolling bearing 3
Bearing gland 7 is provided with above outer ring, bearing gland 7 is connected with the top of bear box 2；Rolling bearing 3, pressure ring 8 and axis
Pressure cap 7 forms cavity；The top of pressure ring 8 and bearing gland 7 is provided with dustproof cover 5, and dustproof cover 5 makes cavity form confined air
Between, pressure ring 8 is connected with the top of Upper shaft sleeve 401 by locking nut 6.
The preparation method of rectangular spiral groove, includes the following steps：
By the diameter of axle of bearing and the lubricants capacity of needs, to calculate the lubrication pressure of lubricating oil；
By the lubricants capacity and lubrication pressure of bearing, the quantity of oil supplying hole is determined, and it is the helical angle of helicla flute, spiral
Diameter, opposite thread groove, seal clearance, the parameter of number of starts and opposite thread groove width.
The parameter determination method of helicla flute, includes the following steps：
By the parameter of helicla flute, Reynolds number and critical Reynolds number of the lubricating oil in helicla flute are calculated, and pass through lubrication
The contrast of the numerical values recited of Reynolds number of the oil in helicla flute and critical Reynolds number, come judge lubricating oil thread segment fluid whether
Whether in laminar flow operating mode, and it is laminar flow to judge that lubricating oil flows in upper oil hole.
The parameter determination method of helicla flute, further includes following steps：
By the H-Max value of lubricating oil generation of the bearing in different rotary speed, calculation bearing and in upper oil hole
The gross head penalty values of generation go forward side by side line number value contrast, be lubricated to judge whether lubricating oil can rise to bearing top.
In the present embodiment, the quantity of oil supplying hole 10 is 4, a diameter of 8mm of oil supplying hole 10, length 280mm；Rectangle
The helical angle of helicla flute is 15 °, diameter of thread 228.3mm, opposite thread groove depth are 4mm, seal clearance 0.3mm, screw thread
Head number is 32, opposite thread groove width is 0.75mm, and the design of these parameters can make helicla flute when rotated, can be to lubricating oil
Acting, makes it rise to bearing top and is lubricated, and the specific derivation of equation and proof are as follows：
Lead S：S=π d tan α=192.2mm
Wherein：α is helical angle, and d is the diameter of thread；
Screw thread groove depth h:H=(ν -1) c=0.9mm；
Wherein：ν is opposite thread groove depth, and c is seal clearance；
Thread groove width a:
Wherein, u=0.75 is opposite thread groove width, and i is number of starts；
The screw thread facewidth:
Screw thread groove shape compares ω：
Gasket factor CΔP：
Immersion oil length/mmMPa of unit pressure difference-1
Wherein, μ is sealing fluid dynamic viscosity 0.0288pas-1
Seal screw thread immersion oil length l=80mm:
When the rotary speed of bearing is 990r/min, Δ p=0.141MPa；
So the H-Max that lubricating oil produces is h1=16m；
Due to Reynolds number Re：Obtain Re=110.94；
Critical Reynolds number Rec：
Because of Re＜ Rec, so thread segment fluid is in laminar flow operating mode.
Lubricating oil oils bore dia d1=8mm, length l1=280mm, quantity 4.
The gross head that the single upper oil hole of lubricating oil produces, which loses, is：
Average speed is V in oilhole:
Whereinl1=0.28m, R=0.004m；
Reynolds number is：
ν is kinematic viscosity, its numerical value is 32 × 10-6m2/s；
Re1＜ RecIt is laminar flow to prove that fluid flows in upper oil hole；
Flow：
hw=hf+hj=0.204m；
Due to h1＞ hw, so helicla flute is when rotated, can do work to lubricating oil, it is risen to bearing top and moistened
It is sliding.
Embodiment 2
With reference to embodiment 1, the different part of bearing automatic lubrication installation provided in this embodiment is, rectangular spiral groove
Helical angle be 25.94 °, diameter of thread 251.3mm, opposite thread groove depth are 3.57mm, seal clearance 0.35mm, screw thread
Head number is 64, opposite thread groove width is 0.75mm, and the design of these parameters can make helicla flute when rotated, can be to lubricating oil
Acting, makes it rise to bearing top and is lubricated, and the specific derivation of equation and proof are as follows：
Lead S：S=π dtan α=π × 251.3 × tan25.94 °=384mm；
Wherein：α is helical angle, and d is the diameter of thread；
Screw thread groove depth h:H=(ν -1) c=0.9mm；
Wherein：ν is opposite thread groove depth, and c is seal clearance；
Thread groove width a:
Wherein, u=0.75 is opposite thread groove width, and i is number of starts；
The screw thread facewidth:
Screw thread groove shape compares ω：
Gasket factor CΔP：
Immersion oil length/mmMPa of unit pressure difference-1:
Wherein, μ is sealing fluid dynamic viscosity 0.0288pas-1；
Seal screw thread immersion oil length l=120mm:
When the rotary speed of bearing is 990r/min, Δ p=0.1596MPa；
So the H-Max that lubricating oil produces is h1=18m.
Due to Reynolds number Re：Obtain Re=142.47；
Critical Reynolds number Rec：
Because of Re＜ Rec, so thread segment fluid is in laminar flow operating mode.
Lubricating oil oils bore dia d1=10mm, length l1=310mm, quantity 2.
The gross head that the single upper oil hole of lubricating oil produces, which loses, is：
Average speed is V in oilhole:
Whereinl1=0.31m, R=0.005m.
Reynolds number is：
Due to Re1＜ Rec, it was demonstrated that it is laminar flow that fluid flows in upper oil hole；
ν is kinematic viscosity, its numerical value is 32 × 10-6m2/s；
Flow：
hw=hf+hj=0.26m；
Due to h1＞ hw, so helicla flute is when rotated, can do work to lubricating oil, it is risen to bearing top and moistened
It is sliding.
Embodiment 3
With reference to embodiment 1, the different part of bearing automatic lubrication installation provided in this embodiment is, rectangular spiral groove
Helical angle be 35 °, diameter of thread 87.3mm, opposite thread groove depth are 4.2mm, seal clearance 0.25mm, number of starts
It is 0.75mm for 32, opposite thread groove width, the design of these parameters can make helicla flute when rotated, lubricating oil can be done
Work(, makes it rise to bearing top and is lubricated, and the specific derivation of equation and proof are as follows：.
Lead S：S=π dtan α=π × 87.3 × tan35 °=192mm；
Wherein：α is helical angle, and d is the diameter of thread；
Screw thread groove depth h:H=(ν -1) c=0.8mm；
Wherein：ν is opposite thread groove depth, and c is seal clearance；
Thread groove width a:
Wherein, u=0.75 is opposite thread groove width, and i is number of starts；
The screw thread facewidth:
Screw thread groove shape compares ω：
Gasket factor CΔP：
Immersion oil length/mmMPa of unit pressure difference-1:
Wherein, μ is sealing fluid dynamic viscosity, its numerical value is 0.0288pas-1；
Seal screw thread immersion oil length l/mm:
Wherein, l=100mm；
When the rotary speed of bearing is 990r/min, Δ p=0.0638MPa；
So the H-Max that lubricating oil produces is h1=7.23mm；
Due to Reynolds number Re：Obtain Re=35.35；
Critical Reynolds number Rec：
Because of Re＜ Rec, so thread segment fluid is in laminar flow operating mode.
Lubricating oil oils bore dia d1=6mm, length l1=250mm, quantity 2.
The gross head that the single upper oil hole of lubricating oil produces, which loses, is：
Average speed is V in oilhole:
Whereinl1=0.25m, R=0.003m；
Reynolds number is：Re1＜ RecIt is laminar flow to prove that fluid flows in upper oil hole；
ν is kinematic viscosity, its numerical value is 32 × 10-6m2/s；
Flow：
hw=hf+hj=0.221m；
Due to h1＞ hw, so helicla flute is when rotated, can do work to lubricating oil, it is risen to bearing top and moistened
It is sliding.
Again since under different rotating speeds operating mode, helicla flute boosting is changed, therefore lubricating oil is in helicla flute
Reynolds number also changes therewith, the value of helicla flute boosting and tachometer value change in direct ratio, therefore when rotating speed is less than 990r/
During min, Reynolds number is less than critical Reynolds number, i.e. R alwayse＜ Rec, so thread segment fluid is in laminar flow operating mode.And spiral
Groove when rotated, can do work lubricating oil, it is risen to bearing top and be lubricated.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, can be to the present invention
Technical solution technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, it should all cover
Among scope of the presently claimed invention.
Claims (10)
1. bearing automatic lubrication installation, it is characterised in that including bear box (2), the axle sleeve being arranged in the bear box
(4) and rolling bearing (3),
The axle sleeve (4) includes Upper shaft sleeve and Lower shaft sleeve, and the rolling bearing (3), the lower axle are provided with the Upper shaft sleeve
Gap is provided between set and the bear box (2), helicla flute is provided with the outer wall of the Lower shaft sleeve；
Oil supplying hole (10), one end and the Lower shaft sleeve outer wall of the oil supplying hole (10) are provided with the bear box (2)
Top is in contact, and the other end of the oil supplying hole (10) is arranged on the top of the rolling bearing (3), the bear box (2)
Lower section be provided with oil storage tank (1), the gap between the Lower shaft sleeve and the bear box (2) and the oil storage tank (1) phase
It is logical；
Wherein, the helicla flute is used to be transported to the lubricating oil in the oil storage tank (1) when the axle sleeve (4) rotates described
In oil supplying hole (10).
2. bearing automatic lubrication installation according to claim 1, it is characterised in that the outer wall of the Lower shaft sleeve and the axis
Hold and be provided with cooling jacket (9) between the inner wall of housing (2).
3. bearing automatic lubrication installation according to claim 1, it is characterised in that the number of the oil supplying hole (10) is even
Number.
4. bearing automatic lubrication installation according to claim 1, it is characterised in that the helicla flute is rectangular spiral groove,
The helical angle of the rectangular spiral groove is between 15 ° to 35 °.
5. bearing automatic lubrication installation according to claim 4, it is characterised in that the preparation side of the rectangular spiral groove
Method, includes the following steps：
By the diameter of axle of bearing and the lubricants capacity of needs, to calculate the lubrication pressure of lubricating oil；
By the lubricants capacity and lubrication pressure of bearing, the quantity of oil supplying hole is determined, and it is the helical angle of helicla flute, spiral straight
Footpath, opposite thread groove, seal clearance, the parameter of number of starts and opposite thread groove width.
6. bearing automatic lubrication installation according to claim 5, it is characterised in that the parameter side of determining of the helicla flute
Method, includes the following steps：
By the parameter of helicla flute, Reynolds number and critical Reynolds number of the lubricating oil in helicla flute are calculated, and exist by lubricating oil
The numerical values recited contrast of Reynolds number and critical Reynolds number in helicla flute, to judge whether lubricating oil is in the fluid of thread segment
Laminar flow operating mode, and whether judge that lubricating oil flows in upper oil hole is laminar flow.
7. bearing automatic lubrication installation according to claim 5, it is characterised in that the parameter side of determining of the helicla flute
Method, further includes following steps：
Produced by the H-Max value of lubricating oil generation of the bearing in different rotary speed, calculation bearing and in upper oil hole
Gross head penalty values go forward side by side line number value contrast, be lubricated to judge whether lubricating oil can rise to bearing top.
8. bearing automatic lubrication installation according to any one of claims 1 to 7, it is characterised in that the rolling bearing (3)
Inner ring above be provided with pressure ring (8), the pressure ring (8) is connected with the top of the Upper shaft sleeve；The rolling bearing (3)
Bearing gland (7) is provided with above outer ring, the bearing gland (7) is connected with the top of the bear box (2)；The rolling
Dynamic bearing (3), the pressure ring (8) and the bearing gland (7) form cavity.
9. bearing automatic lubrication installation according to claim 8, it is characterised in that the pressure ring (8) and the bearing pressure
Dustproof cover (5) is provided with above lid (7), the dustproof cover (5) makes the cavity form confined space.
10. bearing automatic lubrication installation according to claim 9, it is characterised in that the pressure ring (8) and the Upper shaft sleeve
Top be connected by locking nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057692.3A CN108019373B (en) | 2017-11-01 | 2017-11-01 | Automatic lubricating device for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057692.3A CN108019373B (en) | 2017-11-01 | 2017-11-01 | Automatic lubricating device for bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108019373A true CN108019373A (en) | 2018-05-11 |
| CN108019373B CN108019373B (en) | 2020-02-14 |
Family
ID=62079640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711057692.3A Active CN108019373B (en) | 2017-11-01 | 2017-11-01 | Automatic lubricating device for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019373B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611373A (en) * | 2018-12-18 | 2019-04-12 | 沈阳格瑞德泵业有限公司 | A kind of vertical pump thin oil self-lubricating bearing body |
| CN111441958A (en) * | 2019-01-17 | 2020-07-24 | 三花亚威科电器设备（芜湖）有限公司 | Pump and method of operating the same |
| CN113949197A (en) * | 2021-09-29 | 2022-01-18 | 江苏中工高端装备研究院有限公司 | Semi-direct-drive vertical mill motor |
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| US4191279A (en) * | 1977-12-30 | 1980-03-04 | Dana Corporation | Self lubricating one way coupling |
| CN201209582Y (en) * | 2008-05-14 | 2009-03-18 | 安徽三联泵业股份有限公司 | Grease and thin oil dual-purpose lubrication bearing component |
| CN101446299A (en) * | 2008-12-24 | 2009-06-03 | 山东双轮集团股份有限公司 | Automatic lubrication device of vertical type pump bearing |
| CN203430832U (en) * | 2013-07-22 | 2014-02-12 | 广州市白云泵业集团有限公司 | Thin oil self-lubricating type transmission shaft device of vertical axial pump |
| CN105443432A (en) * | 2015-12-08 | 2016-03-30 | 合肥工业大学 | Vertical pump with bearing self-lubricating function |
| CN106438725A (en) * | 2016-08-31 | 2017-02-22 | 合肥华升泵阀股份有限公司 | Self-sucking type bearing lubricating device |
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2017
- 2017-11-01 CN CN201711057692.3A patent/CN108019373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4191279A (en) * | 1977-12-30 | 1980-03-04 | Dana Corporation | Self lubricating one way coupling |
| CN201209582Y (en) * | 2008-05-14 | 2009-03-18 | 安徽三联泵业股份有限公司 | Grease and thin oil dual-purpose lubrication bearing component |
| CN101446299A (en) * | 2008-12-24 | 2009-06-03 | 山东双轮集团股份有限公司 | Automatic lubrication device of vertical type pump bearing |
| CN203430832U (en) * | 2013-07-22 | 2014-02-12 | 广州市白云泵业集团有限公司 | Thin oil self-lubricating type transmission shaft device of vertical axial pump |
| CN105443432A (en) * | 2015-12-08 | 2016-03-30 | 合肥工业大学 | Vertical pump with bearing self-lubricating function |
| CN106438725A (en) * | 2016-08-31 | 2017-02-22 | 合肥华升泵阀股份有限公司 | Self-sucking type bearing lubricating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611373A (en) * | 2018-12-18 | 2019-04-12 | 沈阳格瑞德泵业有限公司 | A kind of vertical pump thin oil self-lubricating bearing body |
| CN111441958A (en) * | 2019-01-17 | 2020-07-24 | 三花亚威科电器设备（芜湖）有限公司 | Pump and method of operating the same |
| CN113949197A (en) * | 2021-09-29 | 2022-01-18 | 江苏中工高端装备研究院有限公司 | Semi-direct-drive vertical mill motor |
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| Publication number | Publication date |
|---|---|
| CN108019373B (en) | 2020-02-14 |
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