CN205918634U - Single -stage vertical centrifugal pump oil lubrication device - Google Patents
Single -stage vertical centrifugal pump oil lubrication device Download PDFInfo
- Publication number
- CN205918634U CN205918634U CN201620962564.8U CN201620962564U CN205918634U CN 205918634 U CN205918634 U CN 205918634U CN 201620962564 U CN201620962564 U CN 201620962564U CN 205918634 U CN205918634 U CN 205918634U
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- oil
- bearing
- force feed
- ball cover
- bearing bracket
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Abstract
The utility model discloses a single -stage vertical centrifugal pump oil lubrication device mainly includes pump shaft, bearing bracket, lower ball cover, upper ball cover, separation sleeve, lower bearing, upper bearing, mechanical oil blanket and bearing isolator, its characterized in that is equipped with and presses the oil jacket and press oily blade, upper bearing in the bearing bracket is equipped with oil return cooling chamber with lower bearing within a definite time, upper bearing upper portion in the bearing bracket is equipped with the oil pocket, lower bearing lower part in the bearing bracket is equipped with the oil bath, bearing bracket lateral wall axial is equipped with leads the logical groove of oil, the lower ball cover center is equipped with the pressure oil pocket, a side end face axial is equipped with presses the oil export, press the oil jacket to fix on the pump shaft in the oil bath, press the oil jacket lower extreme to be equipped with and press oily blade, the oil bath, press the oil pocket, press the oil export, it leads to the groove to lead oil, it forms circulating lubrication cooling oil circuit to go up oil pocket and oil return cooling chamber, novel structure, compact structure, and reliable in performance, it is lubricated effectual, good cooling effect, and the device cost is low, maintain advantages such as convenient.
Description
Technical field
This utility model is related to fluid machinery technical field, specifically a kind of vertical single-stage centrifugal pump thin oil lubricant dress
Put.
Background technology
The lubrication of existing vertical single-stage centrifugal pump bearing generally adopts grease lubrication structure, and this structure is subject to rotating speed, temperature
The restriction of the operating modes such as degree, load, frequency of maintenance is very high, in order to reduce frequency of maintenance, extends the service life of bearing, using 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
Hold, keep off oil pipe, supporting oil jacket and bearing composition, supporting oil jacket relies on supporting rotation, using its centrifugal force along the supporting oil jacket conical surface,
Its thin oil is made to throw away, by the outage on top, the bearing instilling lubrication bottom, such thin oil can be continuously by the oil extraction on top
The bearing of hole instillation bottom, 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 composition, are provided with the thin oil that lower bearing rolling element is thrown away and collect and import
Upper bearing (metal) rolls internal Oil Guide set, and rotary packing ring is provided with the sealing of reverse acting spiral groove, bearing pressure with the inner face of oil sealing set cooperation
Cover and be provided with oil-recovery tank, inside bearing housing, have the oil-recovery tank making the oil that upper bearing spills return to bearing housing grease chamber, bearing
Lower box gathering room adopts big cavity configuration, when implementing, the rolling of thin oil 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 covers along Oil Guide and imports deep groove ball bearing
In, realize 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 because angular contact ball bearing is located at, oil storage is indoor, and the load of pump shaft is big；Two is no
Method is lubricated to the bearing support in the bearing housing at pump shaft two ends simultaneously simultaneously, and, because circulating path is short, heat exchange is imitated
Rate is low, therefore lubricating oil cannot be cooled down.
Cn2010206691123 discloses a kind of practicality of vertical high-temperature pump bearing thin oil self-contained lubrication cooling structure
New patent, is made up of the angular contact ball bearing that accumulator connection is socketed on axle sleeve, and accumulator is by gear oil jacket and bearing
Body, one of cold oil chamber cap composition can oil storage cavity, the lower end of axle sleeve is located in accumulator, axle sleeve internal taper hole and angular contact
Ball bearing connection accumulator forms loop, and when using, rotary shaft drives axle sleeve rotation, under the influence of centrifugal force, lubricating oil
Move to along along sleeve lining in the hole above angular contact ball bearing and flow out, lubricate angular contact ball bearing from top to bottom, then through supercool
Accumulator, and then the thin oil self-contained lubrication of the diagonal contact ball bearing of formation and cooling, its advantage is returned to after oil coil cooling
It is that cooling effect is notable, its substantive deficiency is: one is when pump shaft runs, because angular contact ball bearing is located at oil storage interior,
The load of pump shaft is big；Two is the bearing at pump shaft two ends can not to be lubricated simultaneously and cool down, can only be in the bearing housing at two ends
It is respectively provided with, lead to high cost.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of structure novelty, compact conformation, property
Energy reliability, high lubricating effect, good cooling results, equipment cost vertical single-stage centrifugal pump thin oil lubricating device low, easy to maintenance.
This utility model solves its technical problem and be the technical scheme is that
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,
Lower bearing and upper bearing (metal) are it is characterised in that be provided with force feed set and force feed blade, between the upper bearing (metal) in described bearing bracket stand and lower bearing
It is provided with oil return cooling chamber, the upper bearing (metal) top in bearing bracket stand is provided with upper oil cavitie, the lower bearing bottom in bearing bracket stand is provided with oil sump, institute
State bearing bracket stand side-wall shaft and be provided with pumping cavity to being provided with Oil Guide groove, described lower ball cover center, side end face axial is provided with force feed
Outlet, described force feed set is fixed on the pump shaft in oil sump through trip bolt, and described force feed set lower circumferential array is provided with force feed
Blade, described force feed blade is arranged on force feed intracavity, described oil sump, pumping cavity, force feed outlet, Oil Guide groove, upper oil cavitie and time
Oil cooling chamber forms circulation lubrication oil circuit, and when pump shaft runs, the force feed of pump shaft lower end is enclosed within rotation under the drive of pump shaft,
Drive force feed blade rotation, force feed blade does work to lubricating oil, oil pressure actuated liquid enters Oil Guide with pumping cavity, force feed outlet
In groove, and continue up flowing along Oil Guide groove, when liquid reaches the upper oil cavitie at top, the sealing due to upper ball cover is made
With liquid being made to continue up, now liquid reaches peak and flows downward under gravity, because liquid is passing through
During Oil Guide groove, so that the oil temperature in liquid is absorbed by bearing bracket stand and distribute a part of heat, therefore, in the hydrodynamic lubrication after cooling
After bearing, flowing through oil return cooling chamber, and a part of heat is distributed by oil return cooling chamber, and then make liquid with relatively low oil temperature
Lubrication lower bearing, is being continued downstream to oil sump by lower bearing, and is carrying out reciprocation cycle lubrication and cooling with this, in this circulation
During, pump shaft can make its lubricating oil touching have fixed peripheral speed in the rotation of bearing intracavity, and lubricating oil exists
The dual function of acceleration of gravity and peripheral speed is issued to the effect of shower type contact bearing ball, significantly reduces pump shaft
Load, reaches the low effect of dependable performance, high lubricating effect, good cooling results, equipment cost.
This utility model can be provided with cooling fan on the pump shaft of described upper ball cover upper end, is beneficial to by fan to entering
The liquid entering the intracavity that oils is cooled down, and reaches the effect significantly improving bearing cooling.
This utility model can be provided with separation sleeve in described lower ball cover lower end, and described separation sleeve is through o type sealing ring and lower axle
Hold cover seal to connect, oil leak can be prevented to reach, the effect to force feed set protection can be played again.
Upper ball cover described in the utility model is connected with shaft seal through mechanical oil seal, to reach dust-proof, waterproof and grease proofing
The effect of leakage.
This utility model also can be provided with permanent position lubricating cup in described oil sump side, and described perseverance position lubricating cup is connected with oil sump through oil pipe
Logical, it is beneficial to and lubricating oil is automatically replenished it is ensured that the normal level of oil sump by permanent position lubricating cup, reach effect easy to maintenance.
This utility model due to adopting said structure, have structure novelty, compact conformation, dependable performance, high lubricating effect,
Good cooling results, equipment cost be low, easy to maintenance the advantages of.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of force feed set and force feed blade in this utility model.
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
Oily 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
15th, fan guard 16, separation sleeve 17, mechanical oil seal 18, permanent position lubricating cup 19.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further illustrated:
As shown in drawings, a kind of vertical single-stage centrifugal pump thin oil lubricating device, main inclusion pump shaft 1, bearing bracket stand 2, lower axle
Hold lid 3, upper ball cover 4, lower bearing 5 and upper bearing (metal) 6 it is characterised in that being provided with force feed set 7 and force feed blade 8, described bearing bracket stand 2
It is provided with oil return cooling chamber 9, upper bearing (metal) 6 top in bearing bracket stand 2 is provided with upper oil cavitie 10, bearing between interior upper bearing (metal) 6 and lower bearing 5
Lower bearing 5 bottom in frame 2 is provided with oil sump 11, and described bearing bracket stand 2 side-wall shaft is to being provided with Oil Guide groove 12, described lower ball cover 3
Center is provided with pumping cavity 13, and side end face axial is provided with force feed outlet 14, and described force feed set 7 is fixed on oil sump 11 through trip bolt
On interior pump shaft 1, described force feed set 7 lower circumferential arrays are provided with force feed blade 8, and described force feed blade 8 is arranged on pumping cavity 13
Interior, described oil sump 11, pumping cavity 13, force feed outlet 14, Oil Guide groove 12, upper oil cavitie 10 and oil return cooling chamber 9 form circulation profit
Sliding cooling oil path, 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
Rotation, force feed blade 8 does work to lubricating oil, and oil pressure actuated liquid is with pumping cavity 13, force feed outlet 14 entrance Oil Guide groove 12
Interior, and continue up flowing along Oil Guide groove 12, when liquid reaches the upper oil cavitie 10 at top, due to the sealing of upper ball cover 4
Effect, will not make liquid continue up, and now liquid reaches peak and flows downward under gravity, because liquid is in warp
When crossing Oil Guide groove 12, oil temperature in liquid is made to pass through bearing bracket stand 2 and absorb to distribute a part of heat, therefore, liquid after cooling
After lubrication upper bearing (metal) 6, flowing through oil return cooling chamber 9, and a part of heat is distributed by oil return cooling chamber 9, so make liquid with
Relatively low oil temperature lubrication lower bearing 5, being continued downstream to oil sump 11 by lower bearing 5, and with this carry out reciprocation cycle lubrication and
Cooling, in this cyclic process, it is certain that rotation in upper oil cavitie 10 for the pump shaft 1 can make its lubricating oil touching have
Peripheral speed, lubricating oil is issued to the effect of shower type contact bearing ball in the dual function of acceleration of gravity and peripheral speed
Really, significantly reduce the load of pump shaft, reach the low effect of dependable performance, high lubricating effect, good cooling results, equipment cost.
This utility model 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 are cooled down, and then cool down upper oil cavitie 10 and cooling chamber 9, reach that to significantly improve bearing cold
But effect so as to be lubricated to bearing with lower temperature, and in order to protect to rotary part, in cooling fan 15
Outer setting fan guard 16, fan guard 16 is fixedly connected with bearing bracket stand 2.
This utility model can be provided with separation sleeve 17 in described lower ball cover 3 lower end, and described separation sleeve 17 is through labyrinth sealing
It is tightly connected with lower ball cover 3, oil leak can be prevented to reach, the effect to force feed set protection can be played again.
Upper ball cover 4 described in the utility model is tightly connected with pump shaft 1 through mechanical oil seal 18, due to cold in running
But fan 15 rotating speed is higher, can produce absorption affinity, and the lubricating oil in upper oil cavitie 10 can be made under the effect of absorption affinity along axle
Between gap to outward leakage, therefore adopt the preferable mechanical oil seal of sealing, to reach the effect of dust-proof, waterproof and grease proofing leakage.
This utility model also can be provided with permanent position lubricating cup 19 in described oil sump 11 side, and described perseverance position lubricating cup 19 is through oil pipe and oil
Pond is connected, and is beneficial to and is automatically replenished lubricating oil by permanent position lubricating cup it is ensured that the normal level of oil sump, and in oil addition
When, the oil level that the height of lubricating cup liquid level judges within bearing bracket stand can be reached by, convenient during oiling operate.
When pump shaft 1 runs, the force feed set 7 of pump shaft 1 lower end rotates under the drive of pump shaft 1 this utility model, carries dynamic pressure
Oily blade 8 rotates, and force feed blade 8 does work to lubricating oil, and oil pressure actuated liquid is with pumping cavity 13, force feed outlet 14 entrance Oil Guide
In groove 12, and continue up flowing along Oil Guide groove 12, because liquid is when through Oil Guide groove 12, make the oil temperature in liquid
Absorbed by bearing bracket stand 2 and distribute a part of heat, when liquid reaches the upper oil cavitie 10 at top, due to upper ball cover 4 and machinery
The sealing function of sealing 18, makes liquid reach upper oil cavitie 10 Room at top, and the sealing due to upper ball cover 4 and mechanical seal 18 is made
With making liquid will not continue to upwards, now liquid reaches peak and flows downward under gravity, through cooling fan 15
The lubricating oil of cooling can lubricate upper bearing (metal) 6 with relatively low temperature, and flows through the lubricating oil of upper bearing (metal) 6 through middle part simultaneously
A part of heat is distributed by oil return cooling chamber 9, and then makes liquid lubricate lower bearing 5 with relatively low oil temperature, continued by lower bearing 5
Continue downstream to oil sump 11, and reciprocation cycle lubrication and cooling are carried out again with this trip, in this cyclic process, pump shaft 1 exists
The rotation that upper oil cavitie, oil return cool down intracavity can make its lubricating oil touching have certain peripheral speed, and lubricating oil is in 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 the low effect of dependable performance, high lubricating effect, good cooling results, equipment cost.
This utility model due to adopting said structure, have structure novelty, compact conformation, dependable performance, high lubricating effect,
Good cooling results, equipment cost be low, easy to maintenance the advantages of.
Claims (5)
1. 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, every
From set, lower bearing, upper bearing (metal), mechanical oil seal and bearing isolator it is characterised in that being provided with force feed set and force feed blade, described axle
It is provided with oil return cooling chamber, the upper bearing (metal) top in bearing bracket stand is provided with upper oil cavitie, bearing bracket stand between the upper bearing (metal) in bolster and lower bearing
Interior lower bearing bottom is provided with oil sump, and described bearing bracket stand side-wall shaft is provided with pressure to being provided with Oil Guide groove, described lower ball cover center
Oil pocket, side end face axial is provided with force feed outlet, and described force feed set is fixed on the pump shaft in oil sump through trip bolt, described pressure
Oil jacket lower circumferential array is provided with force feed blade, and described force feed blade is arranged on force feed intracavity, described oil sump, pumping cavity, force feed
Outlet, Oil Guide groove, upper oil cavitie and oil return cooling chamber form circulation lubrication oil circuit.
2. a kind of vertical single-stage centrifugal pump thin oil lubricating device according to claim 1 is it is characterised in that described upper bearing (metal)
The pump shaft covering end is provided with cooling fan.
3. a kind of vertical single-stage centrifugal pump thin oil lubricating device according to claim 1 is 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 type sealing ring.
4. a kind of vertical single-stage centrifugal pump thin oil lubricating device according to claim 1 is it is characterised in that described upper bearing (metal)
Lid is connected with shaft seal through mechanical oil seal.
5. a kind of vertical single-stage centrifugal pump thin oil lubricating device according to claim 1 is it is characterised in that described oil sump one
Side is provided with permanent position lubricating cup, and described perseverance position lubricating cup is connected with oil sump through oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962564.8U CN205918634U (en) | 2016-08-29 | 2016-08-29 | Single -stage vertical centrifugal pump oil lubrication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962564.8U CN205918634U (en) | 2016-08-29 | 2016-08-29 | Single -stage vertical centrifugal pump oil lubrication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918634U true CN205918634U (en) | 2017-02-01 |
Family
ID=57868767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620962564.8U Expired - Fee Related CN205918634U (en) | 2016-08-29 | 2016-08-29 | Single -stage vertical centrifugal pump oil lubrication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194816A (en) * | 2016-08-29 | 2016-12-07 | 山东韬浦泵业有限公司 | Vertical single-stage centrifugal pump thin oil lubricating device |
| WO2021013782A1 (en) * | 2019-07-23 | 2021-01-28 | KSB SE & Co. KGaA | Pump assembly comprising a lubrication- and cooling system |
-
2016
- 2016-08-29 CN CN201620962564.8U patent/CN205918634U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194816A (en) * | 2016-08-29 | 2016-12-07 | 山东韬浦泵业有限公司 | Vertical single-stage centrifugal pump thin oil lubricating device |
| WO2021013782A1 (en) * | 2019-07-23 | 2021-01-28 | KSB SE & Co. KGaA | Pump assembly comprising a lubrication- and cooling system |
| CN114127424A (en) * | 2019-07-23 | 2022-03-01 | Ksb股份有限公司 | Pump device with lubricating and cooling system |
| US20220260085A1 (en) * | 2019-07-23 | 2022-08-18 | KSB SE & Co. KGaA | Pump Assembly Comprising a Lubrication- And Cooling System |
| US11898570B2 (en) * | 2019-07-23 | 2024-02-13 | KSB SE & Co. KGaA | Pump assembly comprising a lubrication—and cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20190829 |