CN208380872U - A kind of multistage dredge pump - Google Patents
A kind of multistage dredge pump Download PDFInfo
- Publication number
- CN208380872U CN208380872U CN201820575045.5U CN201820575045U CN208380872U CN 208380872 U CN208380872 U CN 208380872U CN 201820575045 U CN201820575045 U CN 201820575045U CN 208380872 U CN208380872 U CN 208380872U
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- China
- Prior art keywords
- shaft
- shell
- impeller
- water cavity
- motor
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Abstract
The utility model provides a kind of multistage dredge pump, belongs to water pump technology.It, which solves the easy locking of existing blowdown pump impeller, leads to the technical problems such as motor damage.A kind of multistage dredge pump, including pedestal, the shell being installed on pedestal, it is arranged in the intracorporal spindle assemblies of shell and connecting shaft, spindle assemblies pass through motor driven, motor is installed on shell, closed first-class water cavity and closed second water cavity are successively arranged in shell from bottom to up, there is the water inlet end being connected with first-class water cavity on shell, there is the water outlet being connected with second water cavity on shell, first-class water cavity is connected by pipeline with second water cavity；The first impeller is installed in connecting shaft, the first impeller is located in first-class water cavity, and the second impeller is installed on spindle assemblies.The utility model has the advantages that prevent impeller locking and burn out motor.
Description
Technical field
The utility model belongs to water pump technology, especially a kind of multistage dredge pump.
Background technique
The use scope of dredge pump: 1. business unit's discharge of wastewater.2. municipal sewage plant's exhaust system.3. subway,
Basement, civil defense system pumping station.4. hospital, hotel, skyscraper sewage discharge.5. the sewage drainage station of residential quarter.6. city
Political and ideological work journey, the discharge of thin mud in construction site.7. the waterworks of waterworks.8. sewage of farm discharge and rural area farmland
It irrigates.9. exploring mine and water treatment facilities being mating.10. instead of carrying people's load, suction and conveying river silt on the shoulder.
Existing dredge pump is single impeller, during use, is easy the sundries in water being brought directly to shaft
Either on impeller, causes impeller locking perhaps and reduce the wheel speed situation to will cause motor and burn out or reduce the motor longevity
Life.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of multistage dredge pump, should
Utility model has the characteristics that prevent impeller locking and burn out motor.
The purpose of this utility model can be realized by the following technical scheme: a kind of multistage dredge pump, including pedestal, fixed
In the intracorporal spindle assemblies of shell and connecting shaft, spindle assemblies are installed in shell, setting on pedestal by motor driven, motor
On shell, which is characterized in that be successively arranged closed first-class water cavity and closed second in the shell from bottom to up
Water cavity has the water inlet end being connected with first-class water cavity on shell, has the water outlet being connected with second water cavity on shell
End, first-class water cavity are connected by pipeline with second water cavity；The first impeller, the first leaf have been installed in the connecting shaft
Wheel is located in first-class water cavity, the second impeller is installed on the spindle assemblies, the second impeller is located in second water cavity；Institute
The spindle assemblies stated include outer shaft and interior shaft, and outer shaft is rotatably arranged in interior shaft, and the outer shaft passes through shaft coupling
Device one is connected with the output shaft of motor；Described interior shaft one end is connected with the output shaft of motor, and the interior shaft other end passes through connection
Axis device two is connected with connecting shaft.
The working principle of the utility model is such that be stuck in the first impeller either in connecting shaft when sundries, causes the
One impeller stops operating, and by shaft joint two, the output shaft of motor drives interior shaft still to rotate, and outer shaft drives the second impeller
Normal operating, normal blowdown；When sundries is stuck in the second impeller either on outer shaft, the second impeller stop operating or
It is to reduce velocity of rotation, the rotation of interior shaft still drives the first impeller normal rotation, normal blowdown；When the first impeller
The output of the stuck situation with the second impeller, motor passes through shaft coupling one and the still normal operating of shaft coupling two.Pass through this
Kind mode, can prevent motor from burning up in the case where the first impeller or the second impeller locking.It can by the design of bilobed wheel
To greatly improve the dynamics of drawing water of the dredge pump, discharge capacity is improved.
The shaft coupling one and shaft coupling two are all made of fluid pressure type shaft coupling, the upper end of shaft coupling one and shaft coupling two with
It lower end can asynchronous rotation；The upper end of shaft coupling one is connected with motor output shaft, and lower end is connected with outer shaft；Shaft coupling two
Upper end is connected with the output shaft of motor, and lower end is connected with interior shaft.Fluid pressure type shaft coupling can be in the case where impeller be stuck, liquid
There are the process of a buffering in the top and bottom of pressure type shaft coupling, will not in unexpected rotation or when stopping suddenly, interior shaft or
Person is that outer shaft breaks.
Shock absorber is installed between the shell and motor.Motor can generate the resonance of high frequency, by keeping away in rotation
Shaking device reduces resonance.
The shell is installed on pedestal by welding.Welding has the characteristics that more secured.
The water inlet end is located at below pedestal, and the water outlet is located at second water cavity side.
The water outlet is equipped with check (non-return) valve from inside to outside.The setting of check (non-return) valve can effectively avoid sewage from returning
Stream.
The water outlet is equipped with the meter for measuring water flow.The setting of meter can measure sewage stream
Amount, if it is less than normal value, then first the second wheel speed of impeller reduces either locking.Laid-up.
The surface of shell is coated with anticorrosion material.Acid ion either alkali ion is contained in sewage midfield,
Dredge pump surface is eroded, the service life of dredge pump is influenced.
Compared with prior art, the utility model has the advantage that
1, the utility model can prevent motor from burning up in the case where the first impeller or the second impeller locking.Pass through double leaf
The design of wheel can greatly improve the dynamics of drawing water of the dredge pump, improve discharge capacity.
2, fluid pressure type shaft coupling can be in the case where impeller be stuck, and there are a buffering in the top and bottom of fluid pressure type shaft coupling
Process, will not be in unexpected rotation or when stopping suddenly, interior shaft either outer shaft breaks.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the schematic diagram of the spindle assemblies of the utility model.
In figure, 1, pedestal；2, shell；3, connecting shaft；4, motor；5, first-class water cavity；6, second water cavity；6a, pipeline；
7, water inlet end；8, water outlet；9, the first impeller；10, the second impeller；11, outer shaft；12, interior shaft；13, shaft coupling one；14,
Shaft coupling two；15, shock absorber.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, a kind of multistage dredge pump, including pedestal 1, the shell being installed on pedestal 12, is arranged in shell
Spindle assemblies and connecting shaft 3 in body 2, spindle assemblies are driven by motor 4, and motor 4 is installed on shell 2, in shell 2 under
It is supreme to be successively arranged closed first-class water cavity 5 and closed second water cavity 6, have on shell 2 and is connected with first-class water cavity 5
Logical water inlet end 7, has the water outlet 8 being connected with second water cavity 6 on shell 2, and first-class water cavity 5 passes through pipeline 6a and the
Second-rate water cavity 6 is connected；The distance between first-class water cavity 5 and second water cavity 6 are 20-25cm, and pipeline 6a is outside shell 2
Winding, the pump is using conventional mechanical seal；The first impeller 9 is installed in connecting shaft 3, the first impeller 9 is located at the first flowing water
The second impeller 10 is installed in chamber 5, on spindle assemblies, the second impeller 10 is located in second water cavity 6；Spindle assemblies include outer turn
Axis 11 and interior shaft 12, outer shaft 11 are rotatably arranged in interior shaft 12, and outer shaft 11 is defeated by shaft coupling 1 and motor 4
Shaft is connected；Described 12 one end of interior shaft is connected with the output shaft of motor 4, interior 12 other end of shaft by shaft coupling 2 14 with
Connecting shaft 3 is connected.The connection type of shaft coupling 1 and outer shaft 11 is to tether to connect, the connection of shaft coupling 2 14 and interior shaft 12
Mode is to tether to connect.
In this way, it can prevent motor 4 from burning up in the case where the first impeller 9 or the second 10 locking of impeller.
The dynamics of drawing water of the dredge pump can be greatly improved by the design of bilobed wheel, improve discharge capacity.
Shaft coupling 1 and shaft coupling 2 14 are all made of fluid pressure type shaft coupling, the upper end of shaft coupling 1 and shaft coupling 2 14
It can asynchronous rotation with lower end；The upper end of shaft coupling 1 is connected with 4 output shaft of motor, and lower end is connected with outer shaft 11；Connection
The upper end of axis device 2 14 is connected with the output shaft of motor 4, and lower end is connected with interior shaft 12.Fluid pressure type shaft coupling can be in impeller card
In the case where dead, there are the process of a buffering in the top and bottom of fluid pressure type shaft coupling, will not stop in unexpected rotation or suddenly
When only, interior 12 either outer shaft 11 of shaft breaks.
Shock absorber 15 is installed between shell 2 and motor 4.Motor 4 can generate the resonance of high frequency, by keeping away in rotation
Shaking device 15 reduces resonance.
Shell 2 is installed in by welding on pedestal 1.Welding has the characteristics that more secured.
Water inlet end 7 is located at 1 lower section of pedestal, and water outlet 8 is located at 6 side of second water cavity.
Water outlet 8 is equipped with check (non-return) valve from inside to outside.The setting of check (non-return) valve can effectively avoid sewage backflow.
Water outlet 8 is equipped with the meter for measuring water flow.The setting of meter can measure the discharge of sewage, such as
Fruit is less than normal value, then 10 revolving speed of the first 9 second impeller of impeller reduces either locking.Laid-up.
2 surface of shell is coated with anticorrosion material.Sewage midfield is eroded containing acid ion either alkali ion
Dredge pump surface influences the service life of dredge pump.
The working principle of the utility model is such that be stuck in the first impeller 9 either connecting shaft 3 when sundries, causes
First impeller 9 stops operating, and by shaft joint two, the output shaft of motor 4 drives interior shaft 12 still to rotate, and outer shaft 11 drives
The second normally operating of impeller 10, normal blowdown；When sundries is stuck on the second impeller 10 either outer shaft 11, the second leaf
Wheel 10, which stops operating, either reduces velocity of rotation, and the rotation of interior shaft 12 still drives 9 normal rotation of the first impeller,
Normal blowdown；When the output of the first impeller 9 and the stuck situation of the second impeller 10, motor 4 passes through shaft coupling 1 and shaft coupling
The still normal operating of device 2 14.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although pedestal 1, shell 2, connecting shaft 3, motor 4, first-class water cavity 5, second water cavity is used more herein
6, pipeline 6a, water inlet end 7, water outlet 8, the first impeller 9, the second impeller 10, outer shaft 11, interior shaft 12, shaft coupling 1, connection
The terms such as axis device 2 14, shock absorber 15, but it does not exclude the possibility of using other terms.The use of these items is only for
It is more convenient to describe and explain the essence of the utility model；It is practical with this for being construed as any additional limitation all
What novel spirit was disagreed.
Claims (8)
1. a kind of multistage dredge pump, including pedestal, the shell being installed on pedestal, is arranged in the intracorporal spindle assemblies of shell and connection
Axis, spindle assemblies are installed on shell by motor driven, motor, which is characterized in that in the shell from bottom to up successively
Equipped with closed first-class water cavity and closed second water cavity, there is the water inlet end being connected with first-class water cavity on shell,
There is the water outlet being connected with second water cavity, first-class water cavity is connected by pipeline with second water cavity on shell；Institute
The first impeller is installed in the connecting shaft stated, the first impeller is located in first-class water cavity, is installed on the spindle assemblies
Second impeller, the second impeller are located in second water cavity；The spindle assemblies include outer shaft and interior shaft, outer shaft rotation
It is arranged in interior shaft, the outer shaft is connected by shaft coupling one with the output shaft of motor；Described interior shaft one end with
The output shaft of motor is connected, and the interior shaft other end is connected by shaft coupling two with connecting shaft.
2. a kind of multistage dredge pump according to claim 1, which is characterized in that the shaft coupling one and shaft coupling two is equal
Using fluid pressure type shaft coupling, the top and bottom of shaft coupling one and shaft coupling two can asynchronous rotation；The upper end of shaft coupling one with
Motor output shaft is connected, and lower end is connected with outer shaft；The upper end of shaft coupling two is connected with the output shaft of motor, and lower end with it is interior
Shaft is connected.
3. a kind of multistage dredge pump according to claim 1, which is characterized in that be installed between the shell and motor
Shock absorber.
4. a kind of multistage dredge pump according to claim 1, which is characterized in that the shell is solid by welding
It is located on pedestal.
5. a kind of multistage dredge pump according to claim 1, which is characterized in that the water inlet end is located at below pedestal,
The water outlet is located at second water cavity side.
6. a kind of multistage dredge pump according to claim 1, which is characterized in that the water outlet is equipped with from inside to outside
Check (non-return) valve.
7. a kind of multistage dredge pump according to claim 1, which is characterized in that the water outlet is equipped with for measuring
The meter of water flow.
8. a kind of multistage dredge pump according to claim 1, which is characterized in that the surface of shell is coated with anticorrosion
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575045.5U CN208380872U (en) | 2018-04-20 | 2018-04-20 | A kind of multistage dredge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575045.5U CN208380872U (en) | 2018-04-20 | 2018-04-20 | A kind of multistage dredge pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380872U true CN208380872U (en) | 2019-01-15 |
Family
ID=64972392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575045.5U Expired - Fee Related CN208380872U (en) | 2018-04-20 | 2018-04-20 | A kind of multistage dredge pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380872U (en) |
-
2018
- 2018-04-20 CN CN201820575045.5U patent/CN208380872U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |