CN107869481A - A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts - Google Patents
A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts Download PDFInfo
- Publication number
- CN107869481A CN107869481A CN201610860554.8A CN201610860554A CN107869481A CN 107869481 A CN107869481 A CN 107869481A CN 201610860554 A CN201610860554 A CN 201610860554A CN 107869481 A CN107869481 A CN 107869481A
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- Prior art keywords
- bearing
- bearing housing
- self
- pump
- photo
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- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
Abstract
The present invention relates to a kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts, including：Bearing housing；Pump shaft：The rotor part for connecting pump is passed through and is used for from bearing housing center；Bearing：Including the fixed bearing axle sleeve being set on pump shaft, and the journal bearing and thrust bearing that bearing axle is put axially are sequentially arranged at along pump shaft, described journal bearing is also fixed on the top of bearing housing, and described thrust bearing is also fixed on bearing housing bottom；Self-lubricating loop：Including the lubricant reservoir inside bearing housing, and it is arranged on the radial direction through hole of axially extending bore and top radially vertically in bearing axle sleeve, described lubricant reservoir, axially extending bore and radial direction through hole is sequentially connected and forms circulation loop, and the interface channel between described radial direction through hole and lubricant reservoir also passes through the bearing.Compared with prior art, bearing housing design structure of the invention have air cooling, self-lubricating, bearing load ability is strong, it is safe and reliable the advantages that.
Description
Technical field
The present invention relates to a kind of self-lubricating bearing case, more particularly, to a kind of self-lubricating bearing of photo-thermal power station pump for liquid salts
Case.
Background technology
Circulation of the pump for liquid salts in photo-thermal power station field between cold conditions salt and hot salt plays the effect of key.Due to conveying
The temperature of medium is high, except high outer to the requirement using material, also to face the axial load of pump greatly, medium temperature can set to driving
Standby conduction, scene can not arrange the situation of recirculated cooling water etc..Therefore the bearing housing structure design to pump has to from many aspects
To consider, conduction of the medium temperature to bearing housing or motor how is reduced, how the selection of bearing and the axial force of pump hold
How to be solved by the lubricating system of the, type of cooling of lubricating oil and bearing, so needing to design a kind of new bearing housing, come
Ensure the security reliability of pump, improve service life, increase economic efficiency.
As Chinese patent ZL201220455207.4 discloses a kind of rotary sealing appts of thin oil self-lubricating bearing case.Cup
Main shaft is fixed on rolling bearing by shape rotary body by screw thread, and rolling bearing is arranged in bearing housing；Bearing housing side cover set
In on main shaft, on bearing housing, there is sealing tooth on bearing housing side cover, the sealing tooth number of teeth is 2~5, close using filler
Envelope is sealed, and oil leak hole is provided with bearing housing side cover, bearing housing side cover top is provided with bleed screw.The patent is moistened certainly
Plain besring case does not just account for the problems such as axial force bears to cool down with lubricating oil.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of photo-thermal power station fused salt
The self-lubricating bearing case of pump.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts, including：
Bearing housing；
Pump shaft：Passed through from bearing housing center and be used to connect other rotational parts；
Bearing assembly：Bearing is axially sequentially arranged at including the fixed bearing axle sleeve being set on pump shaft, and along pump shaft
Journal bearing and thrust bearing on axle sleeve, described journal bearing is fixed by the top of bearing axle sleeve and bearing housing, described
Thrust bearing fixed by bearing axle sleeve and bearing housing bottom；
Self-lubricating loop：Including the lubricant reservoir inside bearing housing, and the edge being arranged in bearing axle sleeve
The radial direction through hole of the axially extending bore and top of axial direction radially, described lubricant reservoir, axially extending bore and radial direction through hole connect successively
Connect and form circulation loop, the interface channel between described radial direction through hole and lubricant reservoir also passes through the bearing.Radial axle
Hold and thrust bearing is all put installed in bearing axle, pump rotor does not have load in radial directions, therefore employs journal bearing and exist
Position in the radial direction, and larger axial force is produced during pump operation by the way that thrust bearing (such as sphere of load duty can be born
Roller bearing) bear.Bearing axle sleeve is circumferentially in the uniform axially extending bore of axial design, and on top, radial direction is opened radially logical
Hole, and connected with axially extending bore, when bearing axle sleeve rotates with axle, the lubricating oil in casing can be flowed up by axially extending bore,
Then pass through radial direction through hole again, thrown away from radial direction, lubricate the journal bearing at top etc., lubricant reservoir is then flowed into, from inside
Realize the greasing of self-loopa.
Further, the cooling fan rotated with pump shaft is additionally provided with the top for the pump shaft for passing bearing housing.Cool down wind
Fan rotates with pump shaft, increases the wind speed and air quantity of cooling bearing casing, improves air cooling effect.
Further, the air conducting cover for covering bearing housing surface and cooling fan is additionally provided with bearing housing,
The cooling air channel connected up and down is formed between the air conducting cover and bearing housing surface；During work, cooling fan turns with pump shaft
It is dynamic, and cooling wind from top to bottom is formed, take away the heat of bearing housing.
More further, described air conducting cover is fixedly mounted on bearing housing by screw thread adapter.
Further, it is additionally provided with spring between thrust bearing and bearing housing bottom.During installed thrust bearing, it can compress
Spring will provide certain upward thrust, be advantageous to the dismounting of thrust bearing.
Further, described bearing housing includes the lower part box of upper opening, and for sealing the case of lower part box
Body end lid, radiating rib plate is equipped with described lower part box and housing plate.Cooperation between lower part box and housing plate
Part can use O-ring to seal, and radiating rib plate, while increasing heat radiation area, also improve the intensity of bearing housing.
Further, the tapped through hole for connecting lubricant reservoir is provided with the top of described housing plate, in lower part box
On be additionally provided with liquid level gauge for observing lubricant reservoir internal liquid level height.Tapped through hole can be used for filling lubricating oil and connection
Aerial respiration filter is installed.The lubricating oil stored in bearing housing can from liquid level gauge liquid level change, so as to and
When supplement oil mass.
Further, described pump shaft is in the disc for being also equipped with rotating with axle below bearing housing.If have
A small amount of lubricating oil is spilt from bearing housing bottom, and the disc installed in bearing housing bottom can throw away oil to circumferencial direction, keep away
Exempt to flow downwardly at the axle envelope of bottom.
Further, the antinose-dive leg of spring bearing casing, described bearing housing are additionally provided with the bottom of bearing housing
Designed with the junction of antinose-dive leg using boss face.The bottom of bearing housing and the junction of antinose-dive leg, using boss
Face, the direct contact surface product of two parts is reduced, reduces conduction of the heat to bearing housing.
Further, described journal bearing is ball bearing, and described thrust bearing is spheric roller bearing.
Compared with prior art, the present invention provides a kind of air to convey the submerged pump of the submerged pump of high-temperature medium or heavy duty
Cooling, self-lubricating, and bearing housing design structure that bearing load ability is strong, the service life of pump is improved, be the length of pump
Phase safe operation provides reliable guarantee, safe.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure, 1- pump shafts, 2- bearing housings, 21- lower part box, 22- housing plates, 3- bearing axle sleeves, 4- journal bearings,
5- thrust bearings, 6- springs, 7- lubricant reservoirs, 8- axially extending bores, 9- radial direction through hole, 10- cooling fans, 11- air conducting covers,
12- screw thread adapters, 13- discs, 14- liquid level gauges, 15- antinose-dive legs, 16- tapped through holes.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts, its structure as shown in figure 1, including：Bearing housing 2：Bearing
Casing 2 includes the lower part box 21 of upper opening, and for sealing the housing plate 22 of lower part box 21, lower part box 21 and case
Radiating rib plate is equipped with body end lid 22.O-ring can be used close in place of cooperation between lower part box 21 and housing plate 22
Envelope, and radiating rib plate, while increasing heat radiation area, also improve the intensity of bearing housing.The top of housing plate 22 is provided with
The tapped through hole 16 of lubricant reservoir 7 is connected, is additionally provided with lower part box 21 for observing the internal liquid level height of lubricant reservoir 7
Liquid level gauge 14.Tapped through hole 16 can be used for filling lubricating oil and connection installation aerial respiration filter.Store in bearing housing 2
Lubricating oil can from liquid level gauge 14 liquid level change, to supplement oil mass in time.
Pump shaft 1：Passed through from the center of bearing housing 2 and be used to connect pump rotor.
Bearing assembly：Axially axle is sequentially arranged at including the fixed bearing axle sleeve 3 being set on pump shaft 1, and along pump shaft 1
The journal bearing 4 and thrust bearing 5 on axle sleeve 3 are held, journal bearing 4 is ball bearing, and thrust bearing 5 is spheric roller bearing.Footpath
The top of bearing housing 2 (i.e. housing plate 22) is also fixed on to bearing 4, thrust bearing 5 is also fixed on bearing housing 2 (under i.e.
Portion's casing 21) bottom, it is additionally provided with spring 6 between thrust bearing 5 and the bottom of bearing housing 2；Self-lubricating loop：Including installed in
Lubricant reservoir 7 inside bearing housing 2, and the axially extending bore 8 vertically being arranged in bearing axle sleeve 3 and top are radially
Radial direction through hole 9, lubricant reservoir 7, axially extending bore 8 and radial direction through hole 9 be sequentially connected and form circulation loop, radial direction through hole 9 with
Interface channel between lubricant reservoir 7 also passes through the bearing.It is additionally provided with the top for the pump shaft 1 for passing bearing housing 2 with pump
The cooling fan 10 that axle 1 rotates.On bearing housing 2 also by screw thread adapter 12 be provided with cover the surface of bearing housing 2 with it is cold
But the air conducting cover 11 of fan 10, the cooling wind connected up and down is formed between the air conducting cover 11 and the surface of bearing housing 2
Road；During work, cooling fan 10 rotates with pump shaft 1, and forms cooling wind from top to bottom, takes away the heat of bearing housing 2.
Pump shaft 1 is in the disc 13 for being also equipped with rotating with axle positioned at the lower section of bearing housing 2.If have a small amount of lubricating oil from
Bearing housing bottom is spilt, and the disc 13 installed in the bottom of bearing housing 2 can throw away oil to circumferencial direction, avoid flowing downwardly into
At the axle envelope of bottom.
Be additionally provided with the antinose-dive leg 15 of spring bearing casing 2 in the bottom of bearing housing 2, bearing housing 2 with casing branch
Designed using boss face the junction of frame 15.The bottom of bearing housing 2 and the junction of antinose-dive leg 15, using boss face, subtract
The direct contact surface product of few two parts, reduces conduction of the heat to bearing housing 2.
In the structure of bearing housing, journal bearing 4 and thrust bearing 5 are arranged on bearing axle sleeve 3, then direct-axis loads bearing housing
In body 2, the keyway of bearing axle sleeve 3 imports along the key on axle.Round nut is screwed into, adjustment lifts the distance of rotor to setting position, and
Finely tune the position of centring screw bolt connecting hole.Then cooling fan 10, round nut, bearing axle sleeve 3 are bolted, form and turn
Dynamic component is with axle synchronous axial system.
The lubricating oil of bearing housing 2 can be filled by perforate at the top of housing plate, during pump work, the lubricating oil in casing
Under centrifugal action caused by being rotated in bearing axle sleeve 3, through hole 8 flows bottom-up vertically, is flowed to top radial direction through hole 9
Go out, after the journal bearing 4 on lubrication bearing housing 2 top, flow into lubricant reservoir, realize oneself bearing housing 2 inside of lubricating oil
Circulate greasing.
Air conducting cover 11 is fixed by bolts on housing plate 22, cooling fan 10 promotes by screw thread adapter 12
Air flows from top to bottom under the limitation of kuppe, and air fully contacts with the surface (radiating rib plate etc.) of bearing housing 2,
At utmost band bearing housing heat, so as to cutting oil.
Embodiment 2
A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts, its structure as shown in figure 1, including：Bearing housing 2：Bearing
Casing 2 includes the lower part box 21 of upper opening, and for sealing the housing plate 22 of lower part box 21, lower part box 21 and case
Radiating rib plate is equipped with body end lid 22.O-ring can be used close in place of cooperation between lower part box 21 and housing plate 22
Envelope, and radiating rib plate, while increasing heat radiation area, also improve the intensity of bearing housing.The top of housing plate 22 is provided with
The tapped through hole 16 of lubricant reservoir 7 is connected, is additionally provided with lower part box 21 for observing the internal liquid level height of lubricant reservoir 7
Liquid level gauge 14.Tapped through hole 16 can be used for filling lubricating oil and connection installation aerial respiration filter.Store in bearing housing 2
Lubricating oil can from liquid level gauge 14 liquid level change, to supplement oil mass in time.
Pump shaft 1：Passed through from the center of bearing housing 2 and be used to connect pump rotor.
Bearing：Axially bearing axle is sequentially arranged at including the fixed bearing axle sleeve 3 being set on pump shaft 1, and along pump shaft 1
Journal bearing 4 and thrust bearing 5 on set 3, journal bearing 4 is ball bearing, and thrust bearing 5 is spheric roller bearing.Radial axle
4 tops for also withstanding bearing housing 2 are held, thrust bearing 5 also props up the bottom of bearing housing 2, in thrust bearing 5 and bearing housing 2
Spring 6 is additionally provided between bottom.
Self-lubricating loop：Including the lubricant reservoir 7 inside bearing housing 2, and it is arranged in bearing axle sleeve 3
The radial direction through hole 9 of axially extending bore 8 and top vertically radially, lubricant reservoir 7, axially extending bore 8 and radial direction through hole 9 connect successively
Connect and form circulation loop, the interface channel between radial direction through hole 9 and lubricant reservoir 7 also passes through the bearing.
Embodiment 3
Compared with Example 2, the overwhelming majority all, except passing the upper of the pump shaft 1 of bearing housing 2 in the present embodiment
Portion is additionally provided with the cooling fan 10 rotated with pump shaft 1.Also it is provided with bearing housing 2 by screw thread adapter 12 and covers bearing housing
The surface of body 2 and the air conducting cover 11 of cooling fan 10, formed between the air conducting cover 11 and the surface of bearing housing 2 and connect up and down
Logical cooling air channel；During work, cooling fan 10 rotates with pump shaft 1, and forms cooling wind from top to bottom, takes away bearing housing
2 heat.
Embodiment 4
Compared with Example 2, the overwhelming majority all, except in the present embodiment pump shaft 1 positioned at the lower section of bearing housing 2
It is also equipped with the disc 13 rotated with axle.If there is a small amount of lubricating oil to be spilt from bearing housing bottom, installed in the bottom of bearing housing 2
Disc 13 oil can be thrown away to circumferencial direction, avoid flowing downwardly at the axle envelope of bottom.
Embodiment 5
Compared with Example 2, the overwhelming majority all, except being additionally provided with branch in the bottom of bearing housing 2 in the present embodiment
The antinose-dive leg 15 of bearing housing 2 is supportted, bearing housing 2 is being designed with the junction of antinose-dive leg 15 using boss face.Bearing housing
The bottom of body 2 and the junction of antinose-dive leg 15, using boss face, the direct contact surface product of two parts is reduced, reduces heat
Conduction to bearing housing 2.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (10)
- A kind of 1. self-lubricating bearing case of photo-thermal power station pump for liquid salts, it is characterised in that including：Bearing housing (2)；Pump shaft (1)：Passed through from bearing housing (2) center；Bearing assembly：Axially it is sequentially arranged at including the fixed bearing axle sleeve (3) being set on pump shaft (1), and along pump shaft (1) Journal bearing (4) and thrust bearing (5) on bearing axle sleeve (3), described journal bearing (4) are also fixed on bearing housing (2) Top, described thrust bearing (5), which is also fixedly mounted, is bearing housing (2) bottom；Self-lubricating loop：Including the lubricant reservoir (7) installed in bearing housing (2) inside, and it is arranged in bearing axle sleeve (3) Axially extending bore (8) and top vertically radial direction through hole (9) radially, described lubricant reservoir (7), axially extending bore (8) It is sequentially connected with radial direction through hole (9) and forms circulation loop, the connection between described radial direction through hole (9) and lubricant reservoir (7) Passage also passes through the journal bearing (4).
- 2. the self-lubricating bearing case of a kind of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that passing axle The top for holding the pump shaft (1) of casing (2) is additionally provided with the cooling fan (10) rotated with pump shaft (1).
- 3. the self-lubricating bearing case of a kind of photo-thermal power station pump for liquid salts according to claim 2, it is characterised in that in bearing housing It is additionally provided with body (2) and surrounds bearing housing (2) outer surface and the air conducting cover (11) of cooling fan (10), the air conducting cover (11) cooling air channel connected up and down is formed between bearing housing (2) surface；During work, cooling fan (10) is with pump shaft (1) Rotate, and form cooling wind from top to bottom, take away the heat of bearing housing (2).
- A kind of 4. self-lubricating bearing case of photo-thermal power station pump for liquid salts according to claim 3, it is characterised in that described sky Gas kuppe (11) is fixedly mounted on bearing housing (2) by screw thread adapter (12).
- 5. the self-lubricating bearing case of a kind of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that in thrust axis Hold and be additionally provided with spring (6) between (5) and bearing housing (2) bottom.
- A kind of 6. self-lubricating bearing case of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that described axle Holding casing (2) includes the lower part box (21) of upper opening, and for sealing the housing plate (22) of lower part box (21), it is described Lower part box (21) and housing plate (22) outer surface on be equipped with radiating rib plate.
- A kind of 7. self-lubricating bearing case of photo-thermal power station pump for liquid salts according to claim 6, it is characterised in that described case The tapped through hole (16) for connecting lubricant reservoir (7) is provided with the top of body end lid (22), is additionally provided with and is used on lower part box (21) Observe the liquid level gauge (14) of lubricant reservoir (7) internal liquid level height.
- A kind of 8. self-lubricating bearing case of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that described pump Axle (1) is in the disc (13) for being also equipped with rotating with axle below bearing housing (2).
- 9. the self-lubricating bearing case of a kind of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that in bearing housing The bottom of body (2) is additionally provided with the antinose-dive leg (15) of spring bearing casing (2), described bearing housing (2) with antinose-dive leg (15) designed using boss face junction.
- 10. the self-lubricating bearing case of a kind of photo-thermal power station pump for liquid salts according to claim 1, it is characterised in that described Journal bearing (4) is ball bearing, and described thrust bearing (5) is spheric roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860554.8A CN107869481A (en) | 2016-09-28 | 2016-09-28 | A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860554.8A CN107869481A (en) | 2016-09-28 | 2016-09-28 | A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts |
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| Publication Number | Publication Date |
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| CN107869481A true CN107869481A (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610860554.8A Pending CN107869481A (en) | 2016-09-28 | 2016-09-28 | A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443172A (en) * | 2018-04-16 | 2018-08-24 | 江苏大学 | High-temperature melting salt pump shafting adjustable structure under a kind of long-shaft liquid |
| CN109114005A (en) * | 2018-10-30 | 2019-01-01 | 江苏双达泵业股份有限公司 | A kind of high temperature submerged pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
| CN112012933A (en) * | 2019-05-29 | 2020-12-01 | 广东美的白色家电技术创新中心有限公司 | Heat collection pump and household appliance |
| US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972428A (en) * | 1995-09-04 | 1997-03-18 | Hitachi Ltd | Shaft sealing device for vertical-shaft pump |
| CN201162709Y (en) * | 2008-03-05 | 2008-12-10 | 长沙天鹅工业泵股份有限公司 | Self-lubricating thrust bearing apparatus of vertical pump |
| 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 |
| CN201661521U (en) * | 2010-04-22 | 2010-12-01 | 何光国 | Novel air-cooled high temperature fused salt pump |
| CN203130620U (en) * | 2013-03-04 | 2013-08-14 | 上海凯泉泵业（集团）有限公司 | Air cooling bearing structure |
| CN206617357U (en) * | 2017-01-25 | 2017-11-07 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of vertical submerged pump |
-
2016
- 2016-09-28 CN CN201610860554.8A patent/CN107869481A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972428A (en) * | 1995-09-04 | 1997-03-18 | Hitachi Ltd | Shaft sealing device for vertical-shaft pump |
| CN201162709Y (en) * | 2008-03-05 | 2008-12-10 | 长沙天鹅工业泵股份有限公司 | Self-lubricating thrust bearing apparatus of vertical pump |
| 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 |
| CN201661521U (en) * | 2010-04-22 | 2010-12-01 | 何光国 | Novel air-cooled high temperature fused salt pump |
| CN203130620U (en) * | 2013-03-04 | 2013-08-14 | 上海凯泉泵业（集团）有限公司 | Air cooling bearing structure |
| CN206617357U (en) * | 2017-01-25 | 2017-11-07 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of vertical submerged pump |
Non-Patent Citations (2)
| Title |
|---|
| 化学工业部人事教育司，化学工业部教育培训中心: "《机械传动与零件》", 31 January 1997, 化学工业出版社 * |
| 车建明，谢庆森: "《设计•结构》", 31 August 2009, 北京理工大学出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443172A (en) * | 2018-04-16 | 2018-08-24 | 江苏大学 | High-temperature melting salt pump shafting adjustable structure under a kind of long-shaft liquid |
| CN109114005A (en) * | 2018-10-30 | 2019-01-01 | 江苏双达泵业股份有限公司 | A kind of high temperature submerged pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
| CN109114005B (en) * | 2018-10-30 | 2024-02-13 | 江苏双达泵业股份有限公司 | High-temperature submerged pump |
| CN112012933A (en) * | 2019-05-29 | 2020-12-01 | 广东美的白色家电技术创新中心有限公司 | Heat collection pump and household appliance |
| CN112012933B (en) * | 2019-05-29 | 2021-08-24 | 广东美的白色家电技术创新中心有限公司 | Heat collection pump and household appliance |
| US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
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