CN208651198U - A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band - Google Patents
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band Download PDFInfo
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- CN208651198U CN208651198U CN201821095927.8U CN201821095927U CN208651198U CN 208651198 U CN208651198 U CN 208651198U CN 201821095927 U CN201821095927 U CN 201821095927U CN 208651198 U CN208651198 U CN 208651198U
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Abstract
The utility model discloses the high-efficiency mixed flows of a kind of band from cooling submersible motor to pump, it uses Drawing-Core structure, it include cylinder and core, cylinder includes the pump seat being made of long tube, the side of pump seat is connected with bend pipe, the bottom end of the pump seat is equipped with water-inlet horn mouth, the bottom end of water-inlet horn mouth is equipped with sucking mesh enclosure, core is located in cylinder, it and include rotor part, the bottom end of rotor part is equipped with diffuser by bearing, the bottom end of diffuser is equipped with runner envelope, the upper end of diffuser is equipped with the Taper Pipe being sleeved on rotor part, Taper Pipe upper end is equipped with inner protective tube engaged therewith, the upper end of pump seat is equipped with pump cover, motor component is installed on pump cover, the motor component is mounted in cooling cover.The structure design of the utility model is reasonable, convenient to install and maintain, carries out keeping motor application range more extensive from cooling to motor, and stability is good, and section components use segment design, reduces factory building height, reduces investment outlay.
Description
Technical field:
The utility model relates to pump field, a kind of high-efficiency mixed flow pump of certainly cooling submersible motor of band is related generally to.
Background technique:
Mixed-flow pump is to be mainly used in urban water supply, municipal sewage drainage system, and sewage treatment project, water drainage are irrigated etc.；
The advantages that, with big flow, middle and low lift, anti-cavitation performance is good for it, adapts to fluctuation of water table larger occasion.
But traditional submersible mixed-flow pump is generally using pit shaft suspention or the prefabricated pit shaft mounting means of mixed mud；Tradition
Dry type mixed-flow pump generally use biradical plinth mounting means；It requires to operate whole pump when the installation, maintenance of water pump, not side
Just.
In addition, traditional submersible mixed-flow is pumped using spatial guide blade, guide vane divergence loss is larger；It is suspended in midair using pit shaft
Or when mixed mud prefabricated pit shaft installation, water flow is discharged by motor, pit shaft threeway, and there are larger at motor and pit shaft threeway
Hydraulic loss, efficiency is generally significantly less than the efficiency of dry type mixed-flow pump.On the other hand, although the dry type mixed flow efficiency of pump is very high,
But its application is limited, and the occasion that motor may be submerged can not be applied to.
Utility model content:
The utility model aim is exactly in order to make up the defect of prior art, to provide a kind of height of certainly cooling submersible motor of band
Mixed-flow pump is imitated, it is convenient to install and maintain, motor is carried out to keep motor application range more extensive, stability is good, part from cooling
Component uses segment design, reduces factory building height, reduces investment outlay.
The utility model is achieved through the following technical solutions:
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band, uses Drawing-Core structure, it is characterised in that: include cylinder
Body and core, the cylinder include the pump seat being made of long tube, and the side of the pump seat is connected by inner connecting tube with deflector
There is bend pipe, the bottom end of the pump seat is equipped with water-inlet horn mouth, and the bottom end of the water-inlet horn mouth is equipped with sucking mesh enclosure, described
Core is located in cylinder, and includes rotor part, and the bottom end of the rotor part is equipped with diffuser by bearing, described to lead
The bottom end of leaf body is equipped with runner envelope, and the upper end of the diffuser is equipped with the Taper Pipe being sleeved on rotor part, the Taper Pipe
Upper end is equipped with inner protective tube engaged therewith, and the upper end of the pump seat is equipped with pump cover, is equipped with motor component on the pump cover,
The motor component is mounted in cooling cover.
The water-inlet horn mouth is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth passes through double end spiral shell
Column is fixed on long tube pedestal position, and the sucking mesh enclosure is fixed together by bolt and water-inlet horn mouth.
The long tube uses the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with and rotor
The pedestal of component coupling, the long tube outside are equipped with pedestal, are equipped with intermediate supports, the long tube top and electricity inside the long tube
Motor cabinet in machine component is connected.
The runner envelope is linked together by studs and diffuser, is passed through between rotor part and is coupled
Connection.
The diffuser uses straight guide vane, runner angle of flare very little, vane inlet runner and impeller outlet runner rank
It kisses and closes, vane inlet laying angle and impeller outlet laying angle match.
The Taper Pipe and inner protective tube connects together by welding, and the inner protective tube is using the form being segmented, no
With between section by being embedded in intermediate supports in long tube.
The rotor part includes impeller, axis, shaft coupling, impeller nut, key.The impeller uses semi-open type leaf
Wheel, the axis uses segmental machining, and is connected between different sections by shaft coupling；The shape and impeller of the impeller nut are intake
Flow channel shape is consistent.
The motor component includes motor connecting base, and the motor connecting base has been connected through a screw thread motor entering water pipe close
It is discharged pipe close with motor, motor outer pipe is installed on the motor connecting base, the motor connecting base lower end is equipped with motor
Lower machine sealed cover, machine sealed cover lower end is mounted on motor cabinet under the motor, and the motor cabinet is mounted on pump seat, under described
Machine sealed cover maximum outside diameter is less than the minimum outer diameter that a connecting portion is connected to motor in motor cabinet, and lower machine sealed cover is embedded in motor
Between attachment base and motor cabinet, the motor and rotor part transmit torque by shaft coupling, the rotor part axis it is upper
End is mounted in motor cabinet by parts of bearings, stuffing-box component.
The pump cover is equipped with trimmer valve, is equipped with rapid-release valve on the trimmer valve.
The utility model has the advantages that:
1, the high-efficiency mixed flow of Drawing-Core band from cooling submersible motor pumps, convenient to install and maintain.
2, submersible motor component has cooling cover, is equipped with dedicated coolant liquid in cooling cover.Pass through interior circulation impeller
Operating, motor is carried out from cooling, and lower machine envelope is cooled down by way of external cooling water, makes motor application model
It encloses more extensively.
3, the connection between motor cabinet, motor connecting base and lower machine sealed cover three is embedded using lower machine sealed cover
Machine envelope uses the form of end seal under form and motor, reduces motor axial length, increased stability.
4, horn mouth welding designs the vortex for alleviating water inlet water flow every whirlpool plate, improves unit fixed on water pump suction fluidised form, improves Pump Suction
Enter performance.
5, the straight guide vane that guide vane uses, angle of flare are very little, and divergence loss also very little is conducive to the raising of pump efficiency.
6, water pump runner is smooth, and water flow is without motor component, and through flowing out close to 90 degree of bend pipes, passages losses are very low.
7, most of water pump part is weldment, reduces die sinking expense, and use segment design, reduces factory building height, section
Investment-saving.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of motor component.
Specific embodiment:
Referring to attached drawing.
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band, uses Drawing-Core structure, includes cylinder and core, institute
Stating cylinder includes the pump seat 14 being made of long tube 4, and the side of the pump seat 14 is connected to by inner connecting tube 10 with deflector 11 curved
Pipe 9, the bottom end of the pump seat 14 are equipped with water-inlet horn mouth 2, and the bottom end of the water-inlet horn mouth 2 is equipped with sucking mesh enclosure 1, institute
It states core to be located in cylinder, and includes rotor part 8, the bottom end of the rotor part 8 is equipped with diffuser 6 by bearing 5,
The bottom end of the diffuser 6 is equipped with runner envelope 3, and the upper end of the diffuser 6 is equipped with the Taper Pipe being sleeved on rotor part 8
7,7 upper end of Taper Pipe is equipped with inner protective tube 13 engaged therewith, and the upper end of the pump seat 14 is equipped with pump cover 16, the pump cover
Motor component 23 is installed, the motor component 23 is mounted in cooling cover on 16.
The water-inlet horn mouth 2 is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth 2 passes through double end
Stud is fixed on 4 pedestal position of long tube, and the sucking mesh enclosure 1 is fixed together by bolt and water-inlet horn mouth 2；Suck mesh enclosure 1
It can effectively prevent big sundries to enter in pump by water-inlet horn mouth 2, have the function that antiwind；Water-inlet horn mouth 2 is adopted
It is formed with welding processing, reduces die cost；In addition, the setting of vortex shield keeps incoming flow more smooth.
The long tube 4 uses the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with and rotor
The pedestal that component 8 couples is equipped with pedestal outside the long tube 4, intermediate supports 12 is equipped with inside the long tube, and the long tube 4 pushes up
End is connected with the motor cabinet in motor component 23.
The runner envelope 3 is linked together by studs and diffuser 6, and front shroud of impeller is played the role of,
It is between rotor part 8 by being of coupled connections.
The diffuser 6 uses straight guide vane, runner angle of flare very little, vane inlet runner and impeller outlet runner rank
It kisses and closes, vane inlet laying angle and impeller outlet laying angle match.
The Taper Pipe and inner protective tube connects together by welding, and the inner protective tube is using the form being segmented, no
With between section by being embedded in intermediate supports in long tube.
The rotor part 8 includes impeller, axis, shaft coupling, impeller nut, key.The impeller uses semi-open type leaf
Wheel, the axis uses segmental machining, and is connected between different sections by shaft coupling；The shape and impeller of the impeller nut are intake
Flow channel shape is consistent.
The motor component 23 includes motor connecting base 23-7, and the motor connecting base 23-7 has been connected through a screw thread electricity
Machine water inlet pipe close 23-6 and motor are discharged pipe close 23-2, are equipped with motor outer pipe 23-4, institute on the motor connecting base 23-7
It states and circulation impeller 32-3 in motor is installed in motor outer pipe 23-4, the lower end the motor connecting base 23-7 is equipped under motor
Machine sealed cover 23-1, the lower end machine sealed cover 23-1 is mounted on motor cabinet 21 under the motor, and the motor cabinet 21 is mounted on pump
On seat 14, and it is fixed by foundation ring 15, machine sealed cover 23-1 maximum outside diameter is less than motor cabinet 21 under the motor and motor connects
The minimum outer diameter of joint chair 23-7 connecting portion, under motor machine sealed cover 23-1 be embedded in motor connecting base 23-7 and motor cabinet 21 it
Between and between the axis in rotor part by double mechanical seal 23-5, the motor and rotor part pass through shaft coupling 22
Torque is transmitted, the upper end of the rotor part axis is mounted in motor cabinet by parts of bearings 20, stuffing-box component 19.
The pump cover 16 is equipped with trimmer valve 17, is equipped with rapid-release valve 18 on the trimmer valve 17.
Claims (9)
1. a kind of band uses Drawing-Core structure, it is characterised in that: include cylinder from the high-efficiency mixed flow pump of cooling submersible motor
And core, the cylinder include the pump seat being made of long tube, the side of the pump seat is connected with by inner connecting tube and deflector
Bend pipe, the bottom end of the pump seat are equipped with water-inlet horn mouth, and the bottom end of the water-inlet horn mouth is equipped with sucking mesh enclosure, the core
Body is located in cylinder, and includes rotor part, and the bottom end of the rotor part is equipped with diffuser, the guide vane by bearing
The bottom end of body is equipped with runner envelope, and the upper end of the diffuser is equipped with the Taper Pipe being sleeved on rotor part, on the Taper Pipe
End is equipped with inner protective tube engaged therewith, and the upper end of the pump seat is equipped with pump cover, motor component, institute are equipped on the pump cover
Motor component is stated to be mounted in cooling cover.
2. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the water inlet loudspeaker
Mouth is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth is fixed on long tube pedestal position by studs,
The sucking mesh enclosure is fixed together by bolt and water-inlet horn mouth.
3. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the long tube is adopted
It with the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with the pedestal coupled with rotor part, the length
Tube outside is equipped with pedestal, is equipped with intermediate supports inside the long tube, the long tube top is connected with the motor cabinet in motor component.
4. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the runner envelope
It is to be linked together by studs and diffuser, by being of coupled connections between rotor part.
5. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the diffuser
Using straight guide vane, runner angle of flare very little, vane inlet runner and the linking of impeller outlet runner coincide, vane inlet laying angle
Match with impeller outlet laying angle.
6. band according to claim 1 is from the high-efficiency mixed flow pump of cooling submersible motor, it is characterised in that: the Taper Pipe and
Inner protective tube connects together by welding, the form of the inner protective tube use segmentation, by long tube between different sections
It is embedded in intermediate supports.
7. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the rotor portions
Part includes impeller, axis, shaft coupling, impeller nut, key；The impeller uses half-opened impeller, and the axis uses segmental machining,
And it is connected between different sections by shaft coupling；The shape of the impeller nut is consistent with impeller water inlet flow channel shape.
8. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: the motor section
Part includes motor connecting base, and the motor connecting base has been connected through a screw thread motor entering water pipe close and motor water outlet pipe close, described
Motor outer pipe is installed, the motor connecting base lower end is equipped with machine sealed cover under motor, the motor on motor connecting base
Lower machine sealed cover lower end is mounted on motor cabinet, and the motor cabinet is mounted on pump seat, and the lower machine sealed cover maximum outside diameter is small
Be connected to motor the minimum outer diameter of a connecting portion in motor cabinet, lower machine sealed cover be embedded in motor connecting base and motor cabinet it
Between, the motor and rotor part transmit torque by shaft coupling, the upper end of the rotor part axis by parts of bearings,
Stuffing-box component is mounted in motor cabinet.
9. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that: on the pump cover
Equipped with trimmer valve, rapid-release valve is installed on the trimmer valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095927.8U CN208651198U (en) | 2018-07-11 | 2018-07-11 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095927.8U CN208651198U (en) | 2018-07-11 | 2018-07-11 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651198U true CN208651198U (en) | 2019-03-26 |
Family
ID=65784418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821095927.8U Active CN208651198U (en) | 2018-07-11 | 2018-07-11 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799145A (en) * | 2018-07-11 | 2018-11-13 | 合肥凯泉电机电泵有限公司 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
| CN112065733A (en) * | 2020-09-15 | 2020-12-11 | 荏原机械淄博有限公司 | Rectifying structure for submersible pump |
-
2018
- 2018-07-11 CN CN201821095927.8U patent/CN208651198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799145A (en) * | 2018-07-11 | 2018-11-13 | 合肥凯泉电机电泵有限公司 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
| CN108799145B (en) * | 2018-07-11 | 2024-03-19 | 合肥凯泉电机电泵有限公司 | High-efficiency mixed flow pump with self-cooling submersible motor |
| CN112065733A (en) * | 2020-09-15 | 2020-12-11 | 荏原机械淄博有限公司 | Rectifying structure for submersible pump |
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