CN107701491A - A kind of abrasion resistant type submerged pump - Google Patents
A kind of abrasion resistant type submerged pump Download PDFInfo
- Publication number
- CN107701491A CN107701491A CN201711226346.3A CN201711226346A CN107701491A CN 107701491 A CN107701491 A CN 107701491A CN 201711226346 A CN201711226346 A CN 201711226346A CN 107701491 A CN107701491 A CN 107701491A
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- CN
- China
- Prior art keywords
- bearing
- axle
- shaft coupling
- motor
- abrasion resistant
- 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.)
- Pending
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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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of abrasion resistant type submerged pump, including the pump housing, drain pipe, water pipe, motor, motor rack；The output shaft of described motor is connected with motor side shaft coupling, and motor side shaft coupling is connected with upper axle by driven end shaft coupling, and upper axle is connected with lower axle by elastic dowel pin shaft coupling, and lower shaft head is fixed with impeller by impeller nut；Described lower axle is provided with axle sleeve close to the cylindrical of impeller, is provided with mechanically-sealing apparatus in sleeve outer circle week；The described pump housing is connected with pump cover, and pump cover is provided with delivery port, and pump cover sets gradually to the right organic sealed cover, machine sealing chamber, and machine sealing chamber has been bolted sliding bearing group；Described lower axle is provided with angular contact ball bearing group close to the excircle of elastic dowel pin shaft coupling.Service life length of the present invention, impurity handling capacity is strong, using combined type intermediate tubular shaft structure, solves long shaft submerged pump unvanquishable vibrations problem for a long time；Using bearing alloy material, coefficient of friction is small, has good compliance.
Description
Technical field
The present invention relates to industrial pump, more particularly to a kind of abrasion resistant type submerged pump.
Background technology
Submerged pump is durable, easy to maintenance because having the characteristics that as a kind of approved product, in petrochemical industry, medicine and other fields
Extensive application.It is connected by motor by shaft joint with pump shaft, impeller rotation.Blade in impeller forces liquid to revolve
Turn, liquid is done work, make the increase of its energy, liquid under the influence of centrifugal force, is thrown away to impeller surrounding, passes through the volute of the pump housing
Speed can be converted into pressure energy by runner, and after the liquid in impeller is thrown away, the pressure in impeller is less than water inlet overpressure, newly
Liquid in the presence of pressure differential intake impeller, liquid just continuously flowed out out of pump.But due in installation and manufacture
Deviation, often result in the various failures of pump, it is especially the most prominent with vibration problem.The harmfulness pole that pump vibrates in operation
Greatly.Serious vibration is exceeded, not only causes noise big, it is important that is damaged part, causes damage of facilities or even cause device
Stop production, economic loss is larger.
The content of the invention
Present invention aim to address above-mentioned problem.
What the present invention was realized in：A kind of abrasion resistant type submerged pump, including the pump housing, drain pipe, water pipe, motor, motor rack,
The delivery port of the described pump housing is connected with one end of drain pipe, and the other end of drain pipe is connected with bisection method orchid, bottom through bottom plate
Plate has been bolted motor rack, and motor rack is fixed with motor, and the output shaft of motor is connected with motor side shaft coupling, motor side
Shaft coupling is connected with upper axle by driven end shaft coupling, and upper axle is connected with lower axle by elastic dowel pin shaft coupling, and lower shaft head leads to
Cross impeller nut and be fixed with impeller；It is characterized in that：Described lower axle is provided with axle sleeve, sleeve outer circle week close to the cylindrical of impeller
It is provided with mechanically-sealing apparatus；The described pump housing is connected with pump cover, and pump cover is provided with delivery port, and pump cover sets gradually to the right organic
Sealed cover, machine sealing chamber, machine sealing chamber have been bolted sliding bearing group；Described lower axle is close to the outer of elastic dowel pin shaft coupling
Circumference is provided with angular contact ball bearing group.
Further, described sliding bearing group includes sliding bearing, bearing box A, bearing gland A, and bearing box A left ends are consolidated
Surely there is bearing gland A, sliding bearing is provided with bearing box A.
Further, described angular contact ball bearing group includes angular contact ball bearing, round nut, bearing gland B, bearing box
B, bearing box B are fixed with bearing gland B, and bearing gland B right-hand members are provided with round nut, and bearing box B has two groups of angular contact ball bearings.
Further, described upper axle is provided with sliding bearing group close to the cylindrical of elastic dowel pin shaft coupling, and upper axle is close
The cylindrical of driven end shaft coupling is provided with angular contact ball bearing group.
Further, described machine sealing chamber is connected with water pipe.
Further, sealing ring is provided between described bearing box A and lower axle, is set between bearing gland A and lower axle
There is sealing ring.
Further, sealing ring is provided between described bearing box B and lower axle, is set between bearing gland B and lower axle
There is sealing ring.
Service life length of the present invention, impurity handling capacity is strong, using combined type intermediate tubular shaft structure, solves under long-shaft liquid
Pump unvanquishable vibrations problem for a long time；Using bearing alloy material, coefficient of friction is small, has good compliance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：1st, the pump housing, 2, impeller nut, 3, drain pipe, 4, pump cover, 5, machine sealing chamber, 6, sliding bearing group, 601, sliding axle
Hold, 602, bearing box A, 603, bearing gland A, 7, water pipe, 8, angular contact ball bearing group, 801, angular contact ball bearing, 802, circle
Nut, 803, bearing gland B, 804, bearing box B, 9, bottom plate, 10, bisection method it is blue, 11, driven end shaft coupling, 12, motor, 13,
Motor side shaft coupling, 14, motor rack, 15, upper axle, 16, elastic dowel pin shaft coupling, 17, lower axle, 18, machine sealed cover, 19, machinery
Sealing device, 20, axle sleeve, 21, impeller.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Referring to the drawings, a kind of abrasion resistant type submerged pump, including the pump housing 1, drain pipe 3, water pipe 7, motor 12, motor rack 14, it is described
The delivery port of the pump housing 1 is connected with one end of drain pipe 3, and the other end of drain pipe 3 is connected with bisection method orchid 10, bottom through bottom plate 9
Plate 9 has been bolted motor rack 14, and motor rack 14 is fixed with motor 12, and the output shaft of motor 12 is connected with motor side shaft coupling
Device 13, motor side shaft coupling 13 are connected with upper axle 15 by driven end shaft coupling 11, and upper axle 15 passes through elastic dowel pin shaft coupling 16
Lower axle 17 is connected with, the head of lower axle 17 is fixed with impeller 21 by impeller nut 2；It is characterized in that：Described lower axle 17 is close
The cylindrical of impeller 21 is provided with axle sleeve 20, and the excircle of axle sleeve 20 is provided with mechanically-sealing apparatus 19；The described pump housing 1 is connected with pump
Lid 4, pump cover 4 are provided with delivery port 401, and pump cover 4 sets gradually to the right organic sealed cover 18, machine sealing chamber 5, and machine sealing chamber 5 passes through spiral shell
Bolt is fixed with sliding bearing group 6；Described lower axle 25 is provided with angular contact ball axle close to the excircle of elastic dowel pin shaft coupling 16
Hold group 8；Described sliding bearing group 6 includes sliding bearing 601, bearing box A, bearing gland A, and bearing box A left ends are fixed with axle
Sliding bearing 601 is provided with pressure cap A, bearing box A；Described angular contact ball bearing group 8 include angular contact ball bearing 801,
Round nut 802, bearing gland B, bearing box B, bearing box B are fixed with bearing gland B, and bearing gland B right-hand members are provided with round nut
802, bearing box B have two groups of angular contact ball bearings 801；Described upper axle 15 is provided with close to the cylindrical of elastic dowel pin shaft coupling 16
Sliding bearing group 6, upper axle 15 are provided with angular contact ball bearing group 8 close to the cylindrical of driven end shaft coupling 11；Described machine sealing chamber 5
It is connected with water pipe 7；Sealing ring is provided between described bearing box A and lower axle, is provided between bearing gland A and lower axle 17 close
Seal；Sealing ring is provided between described bearing box B and lower axle 17, sealing ring is provided between bearing gland B and lower axle 17.
Axial force and radial load (including caused water pressure, impeller and the rotor in pump operating of the submerged pump of the present invention
Weight etc.), born by guide bearing in institute's dress angular contact ball bearing in bearing box and sliding bearing body.To ensure pump safety
Run well.Bearing lubricates it with butter, and guide bearing is by the hydrodynamic lubrication that is conveyed.Therefore, liquid level necessarily be greater than leaf during work
Take turns center line.
Present invention optimizes shaft design, the bearing pointdisposal of axle is added, diameters of axle ratio also has increase, makes the critical of axle originally
Rotating speed is far above working speed, it is ensured that pump can operate steadily under very harsh operating mode；The material of guide bearing is improved, is used
Bearing metal, coefficient of friction is small, has good compliance；Using combined type intermediate tubular shaft structure, vibrations are small, substantially prolongs
The service life of guide bearing.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention, the available prior art of each part being not known in the present embodiment is realized.
Claims (7)
1. a kind of abrasion resistant type submerged pump, including the pump housing（1）, drain pipe（3）, water pipe（7）, motor（12）, motor rack（14）, it is described
The pump housing（1）Delivery port be connected with drain pipe（3）One end, drain pipe（3）The other end pass through bottom plate（9）It is connected with point half
Flange（10）, bottom plate（9）It has been bolted motor rack（14）, described motor rack（14）It is fixed with motor（12）；It is special
Sign is：Motor（12）Output shaft be connected with motor side shaft coupling（13）, motor side shaft coupling（13）Pass through driven end shaft coupling
Device（11）It is connected with axle（15）, upper axle（15）Pass through elastic dowel pin shaft coupling（16）It is connected with lower axle（17）, lower axle（17）Head
Portion passes through impeller nut（2）It is fixed with impeller（21）；Described lower axle（17）Close to impeller（21）Cylindrical be provided with axle sleeve
（20）, axle sleeve（20）Excircle is provided with mechanically-sealing apparatus（19）；The described pump housing（1）It is connected with pump cover（4）, pump cover（4）
It is provided with delivery port（401）, pump cover（4）Organic sealed cover is set gradually to the right（18）, machine sealing chamber（5）, machine sealing chamber（5）Pass through spiral shell
Bolt is fixed with sliding bearing group（6）；Described lower axle（25）Close to elastic dowel pin shaft coupling（16）Excircle be provided with corner connection
Touch ball bearing group（8）.
A kind of 2. abrasion resistant type submerged pump according to claim 1, it is characterised in that：Described sliding bearing group（6）Including
Sliding bearing（601）, bearing box A（602）, bearing gland A（603）, bearing box A（602）Left end is fixed with bearing gland A
（603）, bearing box A（602）Inside it is provided with sliding bearing（601）.
A kind of 3. abrasion resistant type submerged pump according to claim 1, it is characterised in that：Described angular contact ball bearing group（8）
Including angular contact ball bearing（801）, round nut（802）, bearing gland B（803）, bearing box B（804）, bearing box B（804）Gu
Surely there is bearing gland B（803）, bearing gland B（803）Right-hand member is provided with round nut（802）, bearing box B（804）There are two groups of corner connections
Touch ball bearing（801）.
A kind of 4. abrasion resistant type submerged pump according to claim 1, it is characterised in that：Described upper axle（15）Close to elastic
Sell shaft coupling（16）Cylindrical be provided with sliding bearing group（6）, upper axle（15）Close to driven end shaft coupling（11）Cylindrical setting
There is angular contact ball bearing group（8）.
A kind of 5. abrasion resistant type submerged pump according to claim 1, it is characterised in that：Described machine sealing chamber（5）It is connected with water
Pipe（7）.
A kind of 6. abrasion resistant type submerged pump according to claim 2, it is characterised in that：Described bearing box A（602）With lower axle
（17）Between be provided with sealing ring, bearing gland A（603）With lower axle（17）Between be provided with sealing ring.
A kind of 7. abrasion resistant type submerged pump according to claim 3, it is characterised in that：Described bearing box B（804）With lower axle
（17）Between be provided with sealing ring, bearing gland B（803）With lower axle（17）Between be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226346.3A CN107701491A (en) | 2017-11-29 | 2017-11-29 | A kind of abrasion resistant type submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226346.3A CN107701491A (en) | 2017-11-29 | 2017-11-29 | A kind of abrasion resistant type submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107701491A true CN107701491A (en) | 2018-02-16 |
Family
ID=61185615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711226346.3A Pending CN107701491A (en) | 2017-11-29 | 2017-11-29 | A kind of abrasion resistant type submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701491A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228350A (en) * | 2020-10-27 | 2021-01-15 | 江苏亚兴泵阀科技有限公司 | Vertical long-shaft wear-resistant slurry pump |
-
2017
- 2017-11-29 CN CN201711226346.3A patent/CN107701491A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228350A (en) * | 2020-10-27 | 2021-01-15 | 江苏亚兴泵阀科技有限公司 | Vertical long-shaft wear-resistant slurry pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180216 |