CN106194816A - Vertical single-stage centrifugal pump thin oil lubricating device - Google Patents
Vertical single-stage centrifugal pump thin oil lubricating device Download PDFInfo
- Publication number
- CN106194816A CN106194816A CN201610742918.2A CN201610742918A CN106194816A CN 106194816 A CN106194816 A CN 106194816A CN 201610742918 A CN201610742918 A CN 201610742918A CN 106194816 A CN106194816 A CN 106194816A
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- Prior art keywords
- oil
- bearing
- force feed
- bracket stand
- ball cover
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
nullThe invention discloses a kind of vertical single-stage centrifugal pump thin oil lubricating device，Mainly include pump shaft、Bearing bracket stand、Lower ball cover、Upper ball cover、Separation sleeve、Lower bearing、Upper bearing (metal)、Mechanical oil seal and bearing isolator，It is characterized in that being provided with force feed set and force feed blade，It is provided with oil return cooling chamber between upper bearing (metal) in bearing bracket stand and lower bearing，Upper bearing (metal) top in bearing bracket stand is provided with upper oil cavitie，Lower bearing bottom in bearing bracket stand is provided with oil sump，Bearing bracket stand sidewall is axially arranged with Oil Guide groove，Lower ball cover center is provided with pumping cavity，Side end face axial is provided with force feed outlet，Force feed set is fixed on the pump shaft in oil sump，Force feed set lower end is provided with force feed blade，Oil sump、Pumping cavity、Force feed exports、Oil Guide groove、Upper oil cavitie and oil return cooling chamber form circulation lubrication oil circuit，There is novel structure、Compact conformation、Dependable performance、High lubricating effect、Good cooling results、Equipment cost is low、The advantage such as easy to maintenance.
Description
Technical field
The present invention relates to fluid machinery technical field, specifically a kind of vertical single-stage centrifugal pump thin oil lubricating device.
Background technology
The lubrication of existing vertical single-stage centrifugal pump bearing generally uses grease lubrication structure, and this structure is by rotating speed, temperature
The restriction of the operating modes such as degree, load, frequency of maintenance is the highest, in order to reduce frequency of maintenance, extends the service life of bearing, utilizes thin oil
Lubrication system replaces grease lubrication structure.
Through retrieval, CN97221433X discloses a kind of supporting parts oil lubrication structure for vertical pump, and it is mainly by a kind of axle
Holding, keep off oil pipe, supporting oil jacket and bearing composition, supporting oil jacket relies on supporting to rotate, utilize its centrifugal force along the supporting oil jacket conical surface,
Making its thin oil be thrown away the bearing instilling lubrication bottom by the outage on top, such thin oil can be continuously by the oil extraction on top
The bearing of instillation bottom, hole, so that bearing is in good lubricating status, the substantive deficiency of this structure is: due to bearing
Body produces heat during running up, and this heat of high temperature has had a strong impact on the service life of bearing body to bearing body.
CN2008200321534 discloses a kind of bearing rare oil lubrication apparatus for bearing box of vertical pump, and it is by bearing housing
Body, rotary packing ring, Oil Guide set, angular contact ball bearing form, and are provided with the thin oil that lower bearing rolling element is thrown away and collect and import
Oil Guide set in upper bearing (metal) rolling element, the inner face that rotary packing ring coordinates with oil sealing set is provided with reverse acting spiral groove and seals, bearing pressure
Cover and be provided with oil-recovery tank, have the oil making upper bearing spill inside bearing housing and return to the oil-recovery tank of bearing housing grease chamber, bearing
Lower box gathering room uses big cavity configuration, and when implementing, thin oil is the rolling of submergence 1/2 angular contact bearing in bearing housing
Body, produces pump action by angular contact ball bearing rolling element, forms fluid motion, and fluid imports deep groove ball bearing along Oil Guide set
In, it is achieved splash lubrication, then import in the gathering room in bearing housing by the oil-recovery tank on bearing gland, the reality of this structure
Matter deficiency is: one is when pump shaft runs, and owing to angular contact ball bearing is located in accumulator, the load of pump shaft is big；Two is nothing
Block bearing in the bearing housing at pump shaft two ends is lubricated by method simultaneously simultaneously, and, owing to circulating path is short, heat exchange is imitated
Rate is low, therefore cannot cool down lubricating oil.
CN2010206691123 discloses the practicality of a kind of vertical high-temperature pump bearing thin oil self-contained lubrication cooling structure
New patent, accumulator connection the angular contact ball bearing being socketed on axle sleeve forms, and accumulator is by gear oil jacket and bearing
One of body, cold oil chamber cap composition can the cavity of oil storage, the lower end of axle sleeve is positioned in accumulator, axle sleeve internal taper hole and angular contact
Ball bearing connection accumulator forms loop, and in use, rotary shaft drives axle sleeve to rotate, under the influence of centrifugal force, and lubricating oil
Move to the hole above angular contact ball bearing is flowed out along sleeve lining, Lubrication Angle contact ball bearing from top to bottom, then through supercool
Return to accumulator after oil coil cooling, and then form thin oil self-contained lubrication and cooling, its advantage of diagonal angle contact ball bearing
Being that cooling effect is notable, its substantive deficiency is: one is when pump shaft runs, owing to angular contact ball bearing is located in accumulator,
The load of pump shaft is big；Two is the bearing at pump shaft two ends can not to be lubricated and be cooled down simultaneously, can only be in the bearing housing at two ends
It is respectively provided with, causes cost high.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, it is provided that a kind of novel structure, compact conformation, performance can
Lean on, vertical single-stage centrifugal pump thin oil lubricating device that high lubricating effect, good cooling results, equipment cost are low, easy to maintenance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of vertical single-stage centrifugal pump thin oil lubricating device, mainly includes pump shaft, bearing bracket stand, lower ball cover, upper ball cover, lower axle
Hold and upper bearing (metal), it is characterised in that be provided with between force feed set and force feed blade, upper bearing (metal) in described bearing bracket stand and lower bearing and be provided with
Oil return cooling chamber, the upper bearing (metal) top in bearing bracket stand is provided with upper oil cavitie, and the lower bearing bottom in bearing bracket stand is provided with oil sump, described axle
Bolster sidewall is axially arranged with Oil Guide groove, and described lower ball cover center is provided with pumping cavity, and side end face axial is provided with force feed outlet,
On described force feed set pump shaft in trip bolt is fixed on oil sump, described force feed set lower circumferential array is provided with force feed blade,
Described force feed blade is arranged in pumping cavity, the outlet of described oil sump, pumping cavity, force feed, Oil Guide groove, upper oil cavitie and oil return cooling
Chamber forms circulation lubrication oil circuit, and when pump shaft runs, the force feed of pump shaft lower end is enclosed within rotation, band dynamic pressure under the drive of pump shaft
Oil blade rotates, and lubricating oil is done work by force feed blade, and oil pressure actuated liquid enters Oil Guide groove along with pumping cavity, force feed outlet
In, and continue up flowing along Oil Guide groove, when liquid arrives the upper oil cavitie at top, due to the sealing function of upper ball cover,
Liquid will not be made to continue up, and now liquid arrives peak and flows downward under gravity, owing to liquid is through leading
During oil groove, make the oil temperature in liquid be absorbed by bearing bracket stand and distribute a part of heat, therefore, the hydrodynamic lubrication upper shaft after cooling
After holding, flowing through oil return cooling chamber, and distributing a part of heat by oil return cooling chamber, and then making liquid with relatively low oil temperature profit
Slide bearing, continued downstream to oil sump by lower bearing, and carrying out reciprocation cycle lubrication and cooling with this, be circulated throughout at this
Cheng Zhong, pump shaft rotation in bearing bore can make its lubricating oil touched have the most fixed peripheral speed, and lubricating oil is at weight
The dual function of power acceleration and peripheral speed is issued to the effect of shower type contact bearing ball, significantly reduces the negative of pump shaft
Carry, reach dependable performance, high lubricating effect, good cooling results, effect that equipment cost is low.
The present invention can be provided with cooling fan on the pump shaft of described upper ball cover upper end, is beneficial to by fan in entrance
Liquid in oil pocket cools down, and reaches to significantly improve the effect of bearing cooling.
The present invention can be provided with separation sleeve in described lower ball cover lower end, and described separation sleeve is through O RunddichtringO and lower ball cover
It is tightly connected, to reach to prevent oil leak, the effect to force feed set protection can be played again.
Upper ball cover of the present invention is connected with shaft seal through mechanical oil seal, to reach dust-proof, waterproof and grease proofing leakage
Effect.
The present invention also can be provided with permanent position lubricating cup in described oil sump side, and described permanent position lubricating cup is connected with oil sump through oil pipe,
It is beneficial to be automatically replenished lubricating oil by permanent position lubricating cup, it is ensured that the normal level of oil sump, reaches effect easy to maintenance.
Due to the fact that employing said structure, there is novel structure, compact conformation, dependable performance, high lubricating effect, cooling
Effective, equipment cost is low, the advantage such as easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is force feed set and the structural representation of force feed blade in the present invention.
Fig. 3 is the upward view of Fig. 2.
Reference: pump shaft 1, bearing bracket stand 2, lower ball cover 3, upper ball cover 4, lower bearing 5, upper bearing (metal) 6, force feed set 7, pressure
Oil blade 8, oil return cooling chamber 9, upper oil cavitie 10, oil sump 11, Oil Guide groove 12, pumping cavity 13, force feed outlet 14, cooling fan
15, fan guard 16, separation sleeve 17, mechanical oil seal 18, permanent position lubricating cup 19.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings:
As shown in drawings, a kind of vertical single-stage centrifugal pump thin oil lubricating device, mainly include pump shaft 1, bearing bracket stand 2, lower ball cover
3, upper ball cover 4, lower bearing 5 and upper bearing (metal) 6, it is characterised in that be provided with force feed set 7 and force feed blade 8, in described bearing bracket stand 2
Being provided with oil return cooling chamber 9 between upper bearing (metal) 6 and lower bearing 5, upper bearing (metal) 6 top in bearing bracket stand 2 is provided with upper oil cavitie 10, bearing bracket stand 2
Interior lower bearing 5 bottom is provided with oil sump 11, and described bearing bracket stand 2 sidewall is axially arranged with Oil Guide groove 12, described lower ball cover 3 center
Being provided with pumping cavity 13, side end face axial is provided with force feed outlet 14, and described force feed set 7 is in trip bolt is fixed on oil sump 11
On pump shaft 1, described force feed is overlapped 7 lower circumferential arrays and is provided with force feed blade 8, and described force feed blade 8 is arranged in pumping cavity 13, institute
State oil sump 11, pumping cavity 13, force feed outlet 14, Oil Guide groove 12, upper oil cavitie 10 and oil return cooling chamber 9 and form circulation lubrication
Oil circuit, when pump shaft 1 runs, the force feed set 7 of pump shaft 1 lower end rotates under the drive of pump shaft 1, drives force feed blade 8 to rotate, pressure
Lubricating oil is done work by oil blade 8, and oil pressure actuated liquid enters in Oil Guide groove 12 along with pumping cavity 13, force feed outlet 14, and edge
Oil Guide groove 12 continues up flowing, when liquid arrives the upper oil cavitie 10 at top, due to the sealing function of upper ball cover 4, no
Liquid can be made to continue up, and now liquid arrives peak and flows downward under gravity, owing to liquid is through Oil Guide
During groove 12, make the oil temperature in liquid be absorbed by bearing bracket stand 2 and distribute a part of heat, therefore, in the hydrodynamic lubrication after cooling
After bearing 6, flowing through oil return cooling chamber 9, and distributing a part of heat by oil return cooling chamber 9, and then making liquid with relatively low
Oil temperature lubrication lower bearing 5, is being continued downstream to oil sump 11 by lower bearing 5, and is carrying out reciprocation cycle lubrication and cooling with this,
In this cyclic process, the pump shaft 1 rotation in upper oil cavitie 10 can make its lubricating oil touched have certain circumference speed
Degree, lubricating oil is issued to the effect of shower type contact bearing ball at the dual function of acceleration of gravity and peripheral speed, significantly
Reduce the load of pump shaft, reach dependable performance, high lubricating effect, good cooling results, effect that equipment cost is low.
The present invention can be provided with cooling fan 15 on the pump shaft of described upper ball cover 4 upper end, is beneficial to by cooling fan
15, upper ball cover 4, bearing bracket stand 2 cool down, and then cool down upper oil cavitie 10 and cooling chamber 9, reach to significantly improve bearing cooling
Effect so that it is bearing is lubricated with lower temperature, and in order to rotary part is protected, at cooling fan 15 peripheral hardware
Putting fan guard 16, fan guard 16 is fixing with bearing bracket stand 2 to be connected.
The present invention can be provided with separation sleeve 17 in described lower ball cover 3 lower end, described separation sleeve 17 through labyrinth sealing with under
Bearing cap 3 is tightly connected, and to reach to prevent oil leak, can play again the effect to force feed set protection.
Upper ball cover 4 of the present invention is tightly connected with pump shaft 1 through mechanical oil seal 18, due to the cooling wind in running
Fan 15 rotating speeds higher, absorption affinity can be produced, the lubricating oil in upper oil cavitie 10 can be made to stitch along between centers under the effect of absorption affinity
Gap, to outward leakage, therefore uses the preferable mechanical oil seal of sealing, to reach the effect of dust-proof, waterproof and grease proofing leakage.
The present invention also can be provided with permanent position lubricating cup 19 in described oil sump 11 side, and described permanent position lubricating cup 19 is through oil pipe and oil sump phase
Connection, is beneficial to be automatically replenished lubricating oil by permanent position lubricating cup, it is ensured that the normal level of oil sump, and when oil addition, can
Judge the oil level within bearing bracket stand being reached by the height of lubricating cup liquid level, convenient operation during oiling.
The present invention is when pump shaft 1 runs, and the force feed set 7 of pump shaft 1 lower end rotates under the drive of pump shaft 1, drives force feed leaf
Sheet 8 rotates, and lubricating oil is done work by force feed blade 8, and oil pressure actuated liquid is along with pumping cavity 13, force feed outlet 14 entrance Oil Guide groove
In 12, and continue up flowing along Oil Guide groove 12, owing to liquid is when through Oil Guide groove 12, make the oil temperature in liquid pass through
Bearing bracket stand 2 absorbs and distributes a part of heat, when liquid arrives the upper oil cavitie 10 at top, due to upper ball cover 4 and mechanical seal
The sealing function of 18, makes liquid arrive upper oil cavitie 10 Room at top, due to the sealing function of upper ball cover 4 with mechanical seal 18,
Making liquid will not continue to upwards, now liquid arrives peak and flows downward under gravity, cold through supercooling fan 15
But lubricating oil can with relatively low temperature lubrication upper bearing (metal) 6, and flow through the lubricating oil of upper bearing (metal) 6 through middle part and lead to
Cross oil return cooling chamber 9 and distribute a part of heat, and then make liquid with relatively low oil temperature lubrication lower bearing 5, continued by lower bearing 5
Downstream to oil sump 11, and again carrying out reciprocation cycle lubrication and cooling with this trip, in this cyclic process, pump shaft 1 is upper
Rotation in oil pocket, oil return cooling chamber can make its lubricating oil touched have certain peripheral speed, and lubricating oil is at gravity
The dual function of acceleration and peripheral speed is issued to the effect of shower type contact bearing ball, significantly reduces the negative of pump shaft
Carry, reach dependable performance, high lubricating effect, good cooling results, effect that equipment cost is low.
Due to the fact that employing said structure, there is novel structure, compact conformation, dependable performance, high lubricating effect, cooling
Effective, equipment cost is low, the advantage such as easy to maintenance.
Claims (5)
1. a vertical single-stage centrifugal pump thin oil lubricating device, mainly include pump shaft, bearing bracket stand, lower ball cover, upper ball cover, every
From set, lower bearing, upper bearing (metal), mechanical oil seal and bearing isolator, it is characterised in that be provided with force feed set and force feed blade, described axle
Being provided with oil return cooling chamber between upper bearing (metal) in bolster and lower bearing, the upper bearing (metal) top in bearing bracket stand is provided with upper oil cavitie, bearing bracket stand
Interior lower bearing bottom is provided with oil sump, and described bearing bracket stand sidewall is axially arranged with Oil Guide groove, and described lower ball cover center is provided with pressure
Oil pocket, side end face axial is provided with force feed outlet, on described force feed set pump shaft in trip bolt is fixed on oil sump, described pressure
Oil jacket lower circumferential array is provided with force feed blade, and described force feed blade is arranged in pumping cavity, described oil sump, pumping cavity, force feed
Outlet, Oil Guide groove, upper oil cavitie and oil return cooling chamber form circulation lubrication oil circuit.
A kind of vertical single-stage centrifugal pump thin oil lubricating device the most according to claim 1, it is characterised in that described upper bearing (metal)
The pump shaft covering end is provided with cooling fan.
A kind of vertical single-stage centrifugal pump thin oil lubricating device the most according to claim 1, it is characterised in that described lower bearing
Lid lower end is provided with separation sleeve, and described separation sleeve is tightly connected with lower ball cover through O RunddichtringO.
A kind of vertical single-stage centrifugal pump thin oil lubricating device the most according to claim 1, it is characterised in that described upper bearing (metal)
Lid is connected with shaft seal through mechanical oil seal.
A kind of vertical single-stage centrifugal pump thin oil lubricating device the most according to claim 1, it is characterised in that described oil sump one
Side is provided with permanent position lubricating cup, and described permanent position lubricating cup is connected with oil sump through oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742918.2A CN106194816A (en) | 2016-08-29 | 2016-08-29 | Vertical single-stage centrifugal pump thin oil lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742918.2A CN106194816A (en) | 2016-08-29 | 2016-08-29 | Vertical single-stage centrifugal pump thin oil lubricating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194816A true CN106194816A (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610742918.2A Pending CN106194816A (en) | 2016-08-29 | 2016-08-29 | Vertical single-stage centrifugal pump thin oil lubricating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337926A (en) * | 2016-11-10 | 2017-01-18 | 中国船舶重工集团公司第七0三研究所 | Lubricating Mechanism for Vertical Worm Gear and Worm Turning Machine |
| CN106949098A (en) * | 2017-05-02 | 2017-07-14 | 沈阳方大泵业有限公司 | Vertical pipeline mounted pump |
| CN107269571A (en) * | 2017-08-04 | 2017-10-20 | 重庆水泵厂有限责任公司 | A kind of bearing in pump case lubricating-oil self-circulating system |
| CN108691812A (en) * | 2017-04-05 | 2018-10-23 | 胜达因有限责任公司 | Self contained bearing housing cooling system |
| 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 |
| CN111022754A (en) * | 2019-12-25 | 2020-04-17 | 中航工业南京伺服控制系统有限公司 | High-pressure-resistant oil return cooling upper cover structure of electro-hydraulic servo valve |
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| US2349131A (en) * | 1943-04-20 | 1944-05-16 | Ingersoll Rand Co | Oiling device |
| US4700808A (en) * | 1986-07-17 | 1987-10-20 | Haentjens Walter D | Shaft mounted bearing lubricating device |
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| CN203926108U (en) * | 2014-07-03 | 2014-11-05 | 襄阳五二五泵业有限公司 | A kind of vertical type pump bearing oil lubrication structure |
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| CN205918634U (en) * | 2016-08-29 | 2017-02-01 | 山东韬浦泵业有限公司 | Single -stage vertical centrifugal pump oil lubrication device |
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2016
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| US2349131A (en) * | 1943-04-20 | 1944-05-16 | Ingersoll Rand Co | Oiling device |
| US4700808A (en) * | 1986-07-17 | 1987-10-20 | Haentjens Walter D | Shaft mounted bearing lubricating device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337926A (en) * | 2016-11-10 | 2017-01-18 | 中国船舶重工集团公司第七0三研究所 | Lubricating Mechanism for Vertical Worm Gear and Worm Turning Machine |
| CN108691812A (en) * | 2017-04-05 | 2018-10-23 | 胜达因有限责任公司 | Self contained bearing housing cooling system |
| CN106949098A (en) * | 2017-05-02 | 2017-07-14 | 沈阳方大泵业有限公司 | Vertical pipeline mounted pump |
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| CN107269571A (en) * | 2017-08-04 | 2017-10-20 | 重庆水泵厂有限责任公司 | A kind of bearing in pump case lubricating-oil self-circulating system |
| CN107269571B (en) * | 2017-08-04 | 2023-04-07 | 重庆水泵厂有限责任公司 | Self-circulation system for lubricating oil of bearing box for pump |
| 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 |
| CN111022754A (en) * | 2019-12-25 | 2020-04-17 | 中航工业南京伺服控制系统有限公司 | High-pressure-resistant oil return cooling upper cover structure of electro-hydraulic servo valve |
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Application publication date: 20161207 |