CN108240350A - A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP - Google Patents
A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP Download PDFInfo
- Publication number
- CN108240350A CN108240350A CN201711464827.8A CN201711464827A CN108240350A CN 108240350 A CN108240350 A CN 108240350A CN 201711464827 A CN201711464827 A CN 201711464827A CN 108240350 A CN108240350 A CN 108240350A
- Authority
- CN
- China
- Prior art keywords
- pump
- bearing
- bearings
- thrust collar
- parts
- 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.)
- Granted
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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
- F04D29/049—Roller 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage 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
- F04D29/06—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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
Abstract
The present invention provides a kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP, solve that the production cost that existing vertical pump is made because largely using guide bearing due to is high, safeguards the problems such as inconvenient.The parts of bearings includes the bearing body mounted on vertical pump upper end and the guide bearing of lower end；The thrust roller bearing and thrust collar coordinated with pump shaft is provided, in sequence from bottom to top, in bearing housing in an axial direction, thrust collar top is equipped with self-aligning roller bearing；Oil transportation hole, the roller centre of the setting theta alignment self-aligning roller bearing in oil transportation hole are offered in the middle part of thrust collar；The supercharging sleeve with bearing housing connection is equipped in the middle part of thrust roller bearing, thrust collar, between lower part and pump shaft；The direction screw thread opposite with pump shaft direction of rotation is equipped with positioned at oil transportation hole entrance top, close to the thrust collar inside of supercharging sleeve；It is immersed on the inside of the thrust collar in fuel tank and is equipped with the direction screw thread identical with pump shaft direction of rotation；The guide shaft pressure cap for axial restraint guide bearing is further included, its underpart, which is equipped with, rinses pipe fitting.
Description
Technical field
The invention belongs to liquid pump fields, and in particular to a kind of parts of bearings and the vertical multi-stage with the parts of bearings
Pump, suitable for pumped (conveying) medium rainwater, river for clear water or containing a small amount of silt etc..
Background technology
Parts of bearings plays a supportive role to pump rotor, to undertake various power during pump operation, the lubrication of bearing and makes
It is to influence the key factor of pump stable operation with condition.Guide bearing lubricant medium must be cleaning liquid, and in MODEL VERTICAL MULTISTAGE PUMP
A large amount of structures for using guide bearing are all that itself pumped (conveying) medium rinses lubrication by pump, hard if contain silt in medium
Bearing bush abrasion is caused in the gap that sand grain can enter water pilot bearing, influences the service life of guide bearing.Guide bearing once occurs
Failure, pump are also just unable to maintain that stable operation, it is necessary to stop maintenance or replace guide bearing, so guide bearing is in MODEL VERTICAL MULTISTAGE PUMP
It plays an important role.
At present in vertical multi-stage pump configuration, the axial force of pump is usually to be undertaken by thrust bearing, and the radial load pumped by
Guide bearing in pump end undertakes.The quantity of guide bearing is two in existing vertical single stage pump, the guide bearing of MODEL VERTICAL MULTISTAGE PUMP
Quantity is increased step by step, if intergrade or final stage guide bearing occur damaging or during failures, needed when replacing guide bearing by
Whole pump is dismantled and could be repaired, and maintenance workload is big.Since the lubricant medium of guide bearing must be cleaning medium, it is impossible to containing silt particle
Particulate matters are waited, so the use scope of existing MODEL VERTICAL MULTISTAGE PUMP is also restrained.Existing market top guide bearing price is higher,
It is a large amount of to be improved using the cost for also resulting in pump, weaken product competitiveness in the market.
Various corrective measures have been done to improve guide bearing service life by domestic many pump factories, mainly take filtering measure or
The method of extraneous high pressure water washing prevents silt particle from entering guide bearing gap abrasion bearing shell, though this method can improve guide bearing
Lubricating condition, but extraneous high pressure water is needed separately with booster pump, and be separately also required to regularly clean or replace filter core with filter, all deposit
High or the shortcomings that on-site maintenance is complicated in maintenance cost, in addition live pipeline complexity may also cause flushing line joint to leak
Water, situations such as dripping, influence execute-in-place environment.
Invention content
The present invention provides a kind of good vertical of at low cost, easy to maintain, adaptability to solve the deficiencies in the prior art
Bearing in pump component and the MODEL VERTICAL MULTISTAGE PUMP with the parts of bearings.
In order to achieve the above-mentioned object of the invention, technical solution of the invention is as follows：
A kind of vertical pump parts of bearings, is characterized in that the bearing body including being mounted on vertical pump upper end and lower end
Guide bearing；
The bearing body includes bearing housing and bearing cap, and the bearing housing is internally provided with fuel tank, the bearing cap
Positioned at the top of bearing housing；
The thrust roller bearing and thrust collar coordinated with pump shaft is provided, in sequence from bottom to top, in bearing housing in an axial direction, this is pushed away
Power head top is equipped with self-aligning roller bearing；
Oil transportation hole is offered in the middle part of the thrust collar, in the roller of the setting theta alignment self-aligning roller bearing in oil transportation hole
The heart, to achieve the purpose that lubricating oil be injected directly to roller centre；
Supercharging sleeve is equipped in the middle part of the thrust roller bearing, thrust collar, between lower part and pump shaft, under the supercharging sleeve
End and bearing housing connection；
In order to which extreme pressure lubricant is prevented to leak, positioned at oil transportation hole entrance top, set close to the thrust collar inside of supercharging sleeve
There is the first screw thread that direction is opposite with pump shaft direction of rotation；
In order to promote pressurizing and lubricating oil, it is immersed in identical with pump shaft direction of rotation equipped with direction on the inside of the thrust collar in fuel tank
The second screw thread；
The parts of bearings further includes the guide shaft pressure cap for axial restraint guide bearing；The lower part of the guide shaft pressure cap
Equipped with pipe fitting is rinsed, for external jet water spout.
Further, the first screw thread and the second screw thread are with being pressurized sleeve clearance fit.
Further, in order to cool down when overloaded to bearing body, the fuel tank periphery of the bearing housing is equipped with water-cooling jacket.
Further, persevering position lubricating cup is installed in the side of the bearing housing, for supplementing bearing body lubricating oil.
Further, in order to uniformly spray lubricating oil into self-aligning roller bearing, five are uniformly provided on the thrust collar
The oil transportation hole of a a diameter of 8mm.
The present invention also provides a kind of MODEL VERTICAL MULTISTAGE PUMPs, including pump case, pump shaft are equipped in the pump case, is pacified on pump shaft
Equipped with multiple impellers, pump suction chamber is located at the lower part of the pump case；It is characterized in that, further includes above-mentioned parts of bearings,
The guide bearing of the parts of bearings is located at the lower section of pump suction chamber, mounted on the lower end of pump shaft；The bearing body of the parts of bearings
It is set in the upper end of pump shaft.
To sum up, the technical solution adopted in the present invention is in the bottom of vertical pump, i.e. pump suction chamber underlying space is installed
One guide bearing, guide bearing are lubricated by pumping pumped (conveying) medium, when pump conveys the medium containing particulate matter, are directly used and are connected to outside
The mode of water rinses lubrication.A thrust roller bearing and a self-aligning roller bearing, thrust roller are designed in bearing body
Bearing is used for undertaking the bearing on pump rotor, and self-aligning roller bearing and guide bearing combine the radial load for undertaking pump rotor.Wherein,
Thrust roller bearing is mounted on tank bottoms, using thin oil lubricant mode；Self-aligning roller bearing is mounted on the top of thrust collar, adopts
Forced feed lubrication mode is sprayed with thin oil.Because being immersed in fuel tank (lubricating oil of suitable capacity in fuel tank is housed, is avoided because of lubricants capacity
It is too big and cause to leak) in thrust collar on the inside of be provided with hand of helix second screw thread identical with pump shaft direction of rotation,
When pumping normal operation, supercharging sleeve standing is motionless, and thrust collar is with pump shaft high speed rotation, at this point, high-speed rotating second screw thread meeting
To lubricating oil there are one upward power, lubricating oil is promoted to move upwards and passes through oil transportation hole spray outward；Similarly, positioned at described defeated
Oilhole entrance top is equipped with hand of helix first spiral shell opposite with pump shaft direction of rotation close to the thrust collar inside of supercharging sleeve
Line, when pumping normal operation, high-speed rotating first screw thread can there are one downward active forces to lubricating oil, prevent lubricating oil
It leaks, plays the role of sealing lubricating oil jointly with supercharging sleeve cooperation.
The beneficial effects of the invention are as follows：
1. reduce cost, easy to maintain, adaptable
Vertical pump uses such parts of bearings, reduces the quantity using guide bearing, especially in MODEL VERTICAL MULTISTAGE PUMP, effect
It is particularly evident, the structure of pump is simplified, reduces the manufacture cost of pump, improves product competitiveness；Guide bearing is located in the present invention
The lower end of pump shaft, is connected with pump suction chamber, and pump suction chamber is low-pressure area, can directly lead to when pump conveys the medium containing particle
It crosses external tap water to rinse to lubricate guide bearing, tap water pressure is higher than the hydraulic pressure in suction chamber, can prevent completely in medium
Grain enters guide bearing bush gap, also it is avoided that another lubricated for booster pump or using the guide bearing of filter filtration and washing water pair,
Flushing scheme is simplified, pump is made to adapt to different operating mode ambient conditions；Guide bearing is vulnerable part, and when replacement need to only open guide bearing
Gland can be replaced, easy to maintain without the whole pump that disintegrate.
It, can also be certainly 2. the self-aligning roller bearing used in the present invention can not only combine the radial load for undertaking pump with guide bearing
It is dynamic to adjust due to caused Concentricity tolerance after vertical pump rotor stress deformation.
3. the lubrication of self-aligning roller bearing promotes pressurizing and lubricating oil spurts self-lubricating mode using screw thread in the present invention, avoid
Traditional disc, which splashes, lubricates insufficient situation, and the effect using injection self-lubricating maximum is that lubricants capacity is big, and pressure is high, by
In the roller centre of the setting theta alignment self-aligning roller bearing in oil transportation hole, so can lubricating oil accurately be ejected into centre of sphere rolling
Road position makes bearing lubrication more abundant roller lubrication.
4. it is used in the present invention in oil transportation hole entrance top, close to the thrust collar inside setting direction and pump shaft of supercharging sleeve
The opposite screw thread in direction of rotation is sealed, extreme pressure lubricant to be prevented to leak.
Description of the drawings
Fig. 1 is the structure diagram of middle (center) bearing body of the present invention.
Fig. 2 is the structure diagram of the three-dimensional multistage pump of the present invention；
Reference numeral is as follows：
1- bearing bodies；101- bearing housings；102- bearing caps；103- fuel tanks；104- thrust roller bearings；105- thrusts
Head；106- self-aligning roller bearings；107- oil transportations hole；108- water-cooling jackets；109- perseverances position lubricating cup；The first screw threads of 110-；111-
Two screw threads；112- oil transportations hole entrance；113- is pressurized sleeve；114- reinforcing ribs；2- guide bearings；3- pump shafts；4- pump suction chambers；5- is pumped
Outlet；6- pump cases；7- guide shaft pressure caps；8- rinses pipe fitting；9- civil engineerings.
Specific embodiment
Make clear complete narration to present disclosure below in conjunction with the drawings and specific embodiments：
Only for convenience, in the following description, specific direction term has been used, has been with corresponding attached drawing
For reference, it can not be considered limitation of the present invention, when the definition direction of drawing changes, what these words represented
Direction should be construed to corresponding different directions.
As Figure 1-Figure 2, a kind of vertical pump parts of bearings, including bearing body 1 and guide bearing 2；Bearing body 1 is mounted on
The upper end of vertical pump pump shaft 3, bearing body 1 include bearing housing 101 and bearing cap 102, and bearing housing 101 is internally provided with fuel tank
103, bearing cap 102 is located at the upper end of bearing housing 101；It is set with and pumps successively from bottom to top in an axial direction in bearing housing 101
Thrust roller bearing 104, thrust collar 105 and the self-aligning roller bearing 106 that axis 3 coordinates；Wherein, thrust collar 105 includes thrust collar
In the middle part of top, thrust collar and thrust collar lower part；In order to make bearing body 1 compact-sized, self-aligning roller bearing 106 is sleeved on thrust collar
The outside on top, thrust roller bearing 104 are sleeved on the outside of thrust collar lower part, here, thrust collar 105 also plays bearing holder (housing, cover)
Effect；The oil transportation hole 107 of five a diameter of 8mm is uniformly provided in the middle part of thrust collar, the setting angle in oil transportation hole 107 is just right
The roller centre of quasi- self-aligning roller bearing 106；It is equipped in the middle part of thrust roller bearing 104, thrust collar, between lower part and pump shaft 3
It is pressurized sleeve 113；The lower end of the supercharging sleeve 113 and 101 connection of bearing housing, guide bearing 2 are located under pump suction chamber
Side, mounted on the lower end of pump shaft 3,2 lower section of guide bearing is equipped with the guide shaft pressure cap 7 that axial restraint is carried out to it；Guide shaft pressure-bearing
The lower part of lid 7 be equipped with rinse pipe fitting 8, can external jet water spout, directly lubricate guide bearing with tap water flushing.Oil transportation hole entrance
112 tops are equipped with hand of helix first screw thread 110 opposite with pump shaft direction of rotation close to the thrust collar inside of supercharging sleeve
To prevent extreme pressure lubricant from leaking；105 inside of thrust collar being immersed in fuel tank 103 is equipped with hand of helix and pump shaft rotation side
Pressurizing and lubricating oil is promoted to reach to the second identical screw thread 111, the effect to self-aligning roller bearing injection lubricating oil；Above-mentioned two
A screw thread is in supercharging sleeve clearance fit.In order to which bearing body 1 is given to cool down, 103 periphery of fuel tank of bearing housing 101 is equipped with water cooling
Chuck 108；In order to give bearing body 1 make-up oil, persevering position lubricating cup 109 is installed in the side of bearing housing 101.
Meanwhile the present invention also provides a kind of MODEL VERTICAL MULTISTAGE PUMPs, and including pump case 6, pump shaft 3 is equipped in pump case 6, pump
Multiple impellers are installed, pump suction chamber 4 is located at 6 lower part of pump case, and pump discharge 5 is located at the top of pump case 6, this is vertical on axis 3
Multistage pump further includes above-mentioned parts of bearings, and the guide bearing 2 of parts of bearings is located at the lower section of pump suction chamber, under pump shaft 3
End；The bearing body 1 of parts of bearings is set in the upper end of pump shaft 3.The MODEL VERTICAL MULTISTAGE PUMP is mounted in the civil engineering 9 with levels,
If guide bearing 2 damages, it is only necessary to open 2 gland of guide bearing in lower floor's civil engineering 9 and repair.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto.It is any
Those familiar with the art can readily occur in various equivalent modifications or replace in technical scope disclosed by the invention
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of vertical pump parts of bearings, it is characterised in that：Bearing body (1) and lower end including being mounted on vertical pump upper end
Guide bearing (2)；
The bearing body (1) includes bearing housing (101) and bearing cap (102), and the bearing housing (101) is internally provided with oil
Case (103), the bearing cap (102) is positioned at the top of bearing housing (101)；
It is provided, in sequence from bottom to top, with the thrust roller bearing (104) coordinated with pump shaft and thrust in an axial direction in bearing housing (101)
Head (105), which is equipped with self-aligning roller bearing (106)；
Oil transportation hole (107), the setting theta alignment aligning roller axis of oil transportation hole (107) are offered in the middle part of the thrust collar (105)
Hold the roller centre of (106)；
In the middle part of the thrust roller bearing (104), thrust collar (105), supercharging sleeve (113) is equipped between lower part and pump shaft,
The supercharging sleeve lower end and bearing housing (101) connection；
Above oil transportation hole entrance (112), direction and pump shaft rotation side are equipped with close to thrust collar (105) inside of supercharging sleeve
To opposite the first screw thread (110)；
It is immersed on the inside of the thrust collar (105) in fuel tank (103) and is equipped with direction second screw thread identical with pump shaft direction of rotation
(111)；
The parts of bearings further includes the guide shaft pressure cap (7) for axial restraint guide bearing (2)；Under guide shaft pressure cap (7)
Portion, which is equipped with, rinses pipe fitting (8), for external jet water spout.
2. vertical pump parts of bearings according to claim 1, it is characterised in that：First screw thread (110) and second
Screw thread (111) is with being pressurized sleeve clearance fit.
3. vertical pump parts of bearings according to claim 2, it is characterised in that：The fuel tank of the bearing housing (101)
(103) periphery is equipped with water-cooling jacket (108).
4. vertical pump parts of bearings according to claim 3, it is characterised in that：It is installed on the bearing housing (101)
Persevering position lubricating cup (109).
5. vertical pump parts of bearings according to claim 4, it is characterised in that：It is uniformly opened on the thrust collar (105)
If there are five the oil transportation holes (107) of a diameter of 8mm.
6. a kind of MODEL VERTICAL MULTISTAGE PUMP including pump case (6), is equipped with pump shaft (3), multiple leaves is equipped on pump shaft in the pump case
Wheel, pump suction chamber (4) is positioned at the lower part of pump case (6)；It is characterized in that：Further include any bearings of claim 1-5
Component, the guide bearing (2) of the parts of bearings is positioned at the lower section of pump suction chamber, mounted on the lower end of pump shaft；The parts of bearings
Bearing body (1) be set in the upper end of pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464827.8A CN108240350B (en) | 2017-12-28 | 2017-12-28 | Bearing component for vertical pump and vertical multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464827.8A CN108240350B (en) | 2017-12-28 | 2017-12-28 | Bearing component for vertical pump and vertical multi-stage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108240350A true CN108240350A (en) | 2018-07-03 |
| CN108240350B CN108240350B (en) | 2023-12-01 |
Family
ID=62701211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464827.8A Active CN108240350B (en) | 2017-12-28 | 2017-12-28 | Bearing component for vertical pump and vertical multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240350B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017310A (en) * | 2021-09-09 | 2022-02-08 | 广州市昕恒泵业制造有限公司 | Water pump oil circulation structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558491A (en) * | 1993-09-17 | 1996-09-24 | Andrews; Darrell G. | Unitized product seal for pumps |
| CN200946584Y (en) * | 2006-08-15 | 2007-09-12 | 上海凯泉泵业（集团）有限公司 | Bearing member device of vertical type axial and mixed-flow pump |
| CN104895826A (en) * | 2015-05-07 | 2015-09-09 | 安徽三联泵业股份有限公司 | Bearing part for vertical multi-stage pump |
| CN105179226A (en) * | 2015-10-13 | 2015-12-23 | 襄阳五二五泵业有限公司 | Vertical pump bearing oil lubrication structure |
| CN207935145U (en) * | 2017-12-28 | 2018-10-02 | 西安航天泵业有限公司 | A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP |
-
2017
- 2017-12-28 CN CN201711464827.8A patent/CN108240350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558491A (en) * | 1993-09-17 | 1996-09-24 | Andrews; Darrell G. | Unitized product seal for pumps |
| CN200946584Y (en) * | 2006-08-15 | 2007-09-12 | 上海凯泉泵业（集团）有限公司 | Bearing member device of vertical type axial and mixed-flow pump |
| CN104895826A (en) * | 2015-05-07 | 2015-09-09 | 安徽三联泵业股份有限公司 | Bearing part for vertical multi-stage pump |
| CN105179226A (en) * | 2015-10-13 | 2015-12-23 | 襄阳五二五泵业有限公司 | Vertical pump bearing oil lubrication structure |
| CN207935145U (en) * | 2017-12-28 | 2018-10-02 | 西安航天泵业有限公司 | A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017310A (en) * | 2021-09-09 | 2022-02-08 | 广州市昕恒泵业制造有限公司 | Water pump oil circulation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108240350B (en) | 2023-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108105144B (en) | Vertical long-axis molten salt pump | |
| CN205078456U (en) | Two shell sediment stuff pumps | |
| CN207935145U (en) | A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP | |
| CN108240350A (en) | A kind of vertical pump parts of bearings and MODEL VERTICAL MULTISTAGE PUMP | |
| CN105604952A (en) | Vertical centrifugal oil pump | |
| CN104895826A (en) | Bearing part for vertical multi-stage pump | |
| CN206468527U (en) | Plunger type high-pressure water filling pump lubricating oilses leak-proof device | |
| CN201351636Y (en) | High-temperature coal pulp pump | |
| CN201588877U (en) | Vertical-type dynamic-static pressure main shaft component | |
| CN203906364U (en) | Installed and welded bearing housing | |
| CN202065223U (en) | Bearing body for high-temperature, high-pressure and corrosion-resistant pump | |
| CN105927547A (en) | Oil/water return structure of exhaust end sliding bearing of high-pressure helical-lobe compressor | |
| CN208169189U (en) | A kind of vertical type pump bearing body proposes oily structure | |
| CN207621046U (en) | Long shaft submerged pump | |
| CN209586709U (en) | Vertical pipeline mounted pump | |
| CN105465585A (en) | Oil bath lubrication device | |
| CN204851658U (en) | Submersible sewage pump | |
| CN108869306A (en) | Horizontal double sucking pump is opened in double containment level | |
| CN210565153U (en) | Integral core-pulling full-pressure design double-shell high-pressure centrifugal pump | |
| CN208221168U (en) | A kind of vertical pump thrust bearing | |
| CN206246420U (en) | A kind of mining single-stage draining pump | |
| CN203604217U (en) | Novel submerged slurry pump | |
| CN206352555U (en) | Middle low speed high power diesel engine high-pressure oil pump | |
| RU78278U1 (en) | SCREW LABYRINTH-SCREW PUMP | |
| CN201581289U (en) | Large bearing type steel strander |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |