CN112412818A - Convenient double-cooling electric pump - Google Patents
Convenient double-cooling electric pump Download PDFInfo
- Publication number
- CN112412818A CN112412818A CN202011169904.9A CN202011169904A CN112412818A CN 112412818 A CN112412818 A CN 112412818A CN 202011169904 A CN202011169904 A CN 202011169904A CN 112412818 A CN112412818 A CN 112412818A
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- CN
- China
- Prior art keywords
- pump
- oil chamber
- pump body
- base
- stator
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 235000013372 meat Nutrition 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000903 blocking effect Effects 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
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor 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
-
- 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
- F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a convenient double-cooling electric pump which comprises a sewage pump main body, wherein the sewage pump main body comprises a pump body, a base is connected below the pump body, a through hole is formed in the base, the through hole is communicated with the pump body, a shaft body and an oil chamber are arranged in the pump body, the shaft body penetrates through the oil chamber, a mechanical seal is arranged between the oil chamber and the shaft body, an impeller is further arranged in the pump body and is positioned between the oil chamber and the base, the oil chamber is provided with an oil chamber cover, and a layer of oil seal is arranged between the oil chamber cover and; the outer side of the shaft body is also provided with a stator and a rotor, and the stator and the rotor are positioned above the oil chamber; the pump body is provided with a cooling water tank which is fully distributed on the surface of the whole pump body and conducts high-pressure liquid in the pump body; the top of the pump body is provided with a handle. According to the invention, the cooling water tank is added on the sewage pump, so that high-pressure liquid in the pump body flows to the outer surface of the whole pump to play a cooling role when the sewage pump runs, the temperature of the motor is cooled more effectively at a low water level, the service life of the motor is longer, and the use of the pump is not influenced at the low water level.
Description
Technical Field
The invention relates to a sewage pump, in particular to a convenient double-cooling electric pump.
Background
The main power source of the traditional sewage pump is a three-phase asynchronous motor, and the three-phase asynchronous motor drives an impeller of a water pump to rotate at a high speed so as to convert mechanical energy into energy of liquid. High temperature is generated due to high-speed rotation of the motor at low water level, so that the bearing capacity of the motor is high, the coil is damaged, and the mechanical seal is high in temperature. And the dredge pump often has particulate matter that wears to the point where the mechanical seal is damaged. Under the low water level working condition of the traditional sewage pump, the heat energy generated by the running of the motor is high, so that the energy waste efficiency is low.
Disclosure of Invention
The invention provides a convenient double-cooling electric pump structure to solve at least one technical problem in the prior art.
The technical scheme of the invention is as follows: a convenient double-cooling electric pump comprises a sewage pump main body and is characterized in that the sewage pump main body comprises a pump body, a base is connected below the pump body, a through hole is formed in the base and is communicated with the pump body, a shaft body and an oil chamber are arranged in the pump body, the shaft body penetrates through the oil chamber, a mechanical seal is arranged between the oil chamber and the shaft body, an impeller is further arranged in the pump body and is positioned between the oil chamber and the base, the oil chamber is provided with an oil chamber cover, and a layer of oil seal is arranged between the oil chamber cover and the impeller;
a stator and a rotor are further arranged on the outer side of the shaft body, and the stator and the rotor are positioned above the oil chamber;
the pump body is provided with a cooling water tank, the cooling water tank is fully distributed on the surface of the whole pump body, and the cooling water tank conducts high-pressure liquid in the pump body;
the top of the pump body is provided with a handle.
According to the invention, the cooling water tank is added on the sewage pump, so that high-pressure liquid in the pump body flows to the outer surface of the whole pump to play a cooling role when the sewage pump runs, the temperature of the motor is cooled more effectively at a low water level, the service life of the motor is longer, and the use of the pump is not influenced at the low water level. On the basis of the traditional sewage pump, the water tank is additionally arranged on the shell, and the temperature of the motor is controlled by water cooling, so that the running temperature of the water pump is reduced, and the running life of the motor is prolonged. The invention adds an oil seal, and can effectively prevent particles in liquid from entering a mechanical seal in the running process. The lifting handle is added, so that manual conveying, transferring and carrying are facilitated.
Preferably, a recess with a downward opening is formed below the base, a cutting knife is installed in the recess, and the cutting knife is located below the through hole.
The invention can effectively shred large objects through the cutter and prevent the objects from blocking the sewage pump.
Further preferably, the width of the base gradually increases from top to bottom, the recess is a trapezoid, and the width of the recess gradually increases from top to bottom.
The invention can improve the stability of the placement of the sewage pump through the base which is gradually increased from top to bottom.
Preferably, a second bearing is arranged above the stator and the rotor, a first bearing is arranged below the stator and the rotor, the second bearing is mounted at the top of the shaft body, and the first bearing is mounted between the oil chamber and the stator and the rotor.
The invention can improve the integral working efficiency through the two bearings.
Further preferably, the outer wall of the pump body is provided with a power cord, and the power cord is located at one third of the height of the pump body.
Preventing the power supply line from being too high or too low.
Further preferably, still be equipped with the annular holding tank that the opening is decurrent in the pump body, the outer wall of second bearing with the inner wall contact of meat flesh and fish holding tank, the annular holding tank is located the handle below.
The invention adds the accommodating groove to facilitate limiting.
Preferably, the width of the upper end of the cooling water tank is gradually reduced from top to bottom.
The invention can better cool by optimizing the width of the cooling water tank.
Preferably, a vent hole is formed at a connection part of the oil chamber cover and the oil chamber.
Thereby enabling the release of excess pressure.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the cutting device comprises a cutting knife 1, a pump body 2, an impeller 3, an oil chamber cover 4, an oil chamber 5, a power line 6, a stator and a rotor 8, a handle 9, a base 10, an oil seal 11, a mechanical seal 12, a first bearing 13, a cooling water tank 14, a shaft body 15 and a second bearing 16.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a convenient dual-cooling electric pump comprises a sewage pump main body, wherein the sewage pump main body comprises a pump body 2, a base 10 is connected below the pump body, a through hole is formed in the base, the through hole is communicated with the pump body, a shaft body 15 and an oil chamber 5 are arranged in the pump body, the shaft body penetrates through the oil chamber, a mechanical seal 12 is arranged between the oil chamber and the shaft body, an impeller 3 is further arranged in the pump body, the impeller is positioned between the oil chamber and the base, the oil chamber is provided with an oil chamber cover 4, and a layer of oil seal 11 is arranged between the oil; the outer side of the shaft body is also provided with a stator and a rotor 8, and the stator and the rotor are positioned above the oil chamber; the pump body is provided with a cooling water tank 14 which is fully distributed on the surface of the whole pump body and conducts high-pressure liquid in the pump body; the top of the pump body is provided with a handle 9.
According to the invention, the cooling water tank is added on the sewage pump, so that high-pressure liquid in the pump body flows to the outer surface of the whole pump to play a cooling role when the sewage pump runs, the temperature of the motor is cooled more effectively at a low water level, the service life of the motor is longer, and the use of the pump is not influenced at the low water level. On the basis of the traditional sewage pump, the water tank is additionally arranged on the shell, and the temperature of the motor is controlled by water cooling, so that the running temperature of the water pump is reduced, and the running life of the motor is prolonged. The invention adds an oil seal, and can effectively prevent particles in liquid from entering a mechanical seal in the running process. The lifting handle is added, so that manual conveying, transferring and carrying are facilitated.
Further preferably, a recess with a downward opening is arranged below the base, a cutting knife 1 is arranged in the recess, and the cutting knife is positioned below the through hole. The invention can effectively shred large objects through the cutter and prevent the objects from blocking the sewage pump.
Further preferably, the width of base is from last to gradually increasing progressively down, and sunken be the trapezoidal body, and sunken width is from last to gradually increasing progressively down. The invention can improve the stability of the placement of the sewage pump through the base which is gradually increased from top to bottom.
More preferably, a second bearing 16 is provided above the stator and rotor, a first bearing 13 is provided below the stator and rotor, the second bearing is mounted on the top of the shaft body, and the first bearing is mounted between the oil chamber and the stator and rotor. The invention can improve the integral working efficiency through the two bearings.
Further preferably, the outer wall of the pump body is provided with a power cord 6, and the power cord is positioned at one third of the height of the pump body. Preventing the power supply line from being too high or too low.
Further preferably, still be equipped with the annular holding tank that the opening is decurrent in the pump body, the outer wall of second bearing and the inner wall contact of meat and fish meat holding tank, the annular holding tank is located the handle below. The invention adds the accommodating groove to facilitate limiting.
Further preferably, the width of the upper end of the cooling water tank is gradually decreased from top to bottom. The invention can better cool by optimizing the width of the cooling water tank.
Preferably, the connection between the oil chamber cover and the oil chamber is provided with an exhaust hole. Thereby enabling the release of excess pressure.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (7)
1. A convenient double-cooling electric pump comprises a sewage pump main body and is characterized in that the sewage pump main body comprises a pump body, a base is connected below the pump body, a through hole is formed in the base and is communicated with the pump body, a shaft body and an oil chamber are arranged in the pump body, the shaft body penetrates through the oil chamber, a mechanical seal is arranged between the oil chamber and the shaft body, an impeller is further arranged in the pump body and is positioned between the oil chamber and the base, the oil chamber is provided with an oil chamber cover, and a layer of oil seal is arranged between the oil chamber cover and the impeller;
a stator and a rotor are further arranged on the outer side of the shaft body, and the stator and the rotor are positioned above the oil chamber;
the pump body is provided with a cooling water tank, the cooling water tank is fully distributed on the surface of the whole pump body, and the cooling water tank conducts high-pressure liquid in the pump body;
the top of the pump body is provided with a handle.
2. A convenient dual cooling electric pump structure according to claim 1, wherein: a recess with a downward opening is arranged below the base, a cutting knife is arranged in the recess, and the cutting knife is positioned below the through hole.
3. A convenient dual cooling electric pump structure according to claim 1, wherein: the width of the base is gradually increased from top to bottom, the recess is a trapezoid body, and the width of the recess is gradually increased from top to bottom.
4. A convenient dual cooling electric pump structure according to claim 1, wherein: and a second bearing is arranged above the stator and the rotor, a first bearing is arranged below the stator and the rotor, the second bearing is arranged at the top of the shaft body, and the first bearing is arranged between the oil chamber and the stator and the rotor.
5. A convenient dual cooling electric pump structure according to claim 1, wherein: the outer wall of the pump body is provided with a power line, and the power line is located at one third of the height of the pump body.
6. A convenient dual cooling electric pump structure according to claim 4, wherein: still be equipped with the annular holding tank that the opening is decurrent in the pump body, the outer wall of second bearing with the inner wall contact of meat flesh and fish-meat holding tank, the annular holding tank is located the handle below.
7. A convenient dual cooling electric pump structure according to claim 1, wherein: the width of the upper end part of the cooling water tank is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169904.9A CN112412818A (en) | 2020-10-28 | 2020-10-28 | Convenient double-cooling electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169904.9A CN112412818A (en) | 2020-10-28 | 2020-10-28 | Convenient double-cooling electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112412818A true CN112412818A (en) | 2021-02-26 |
Family
ID=74841856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011169904.9A Pending CN112412818A (en) | 2020-10-28 | 2020-10-28 | Convenient double-cooling electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112412818A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201526469U (en) * | 2009-11-17 | 2010-07-14 | 上海奥力泵阀制造有限公司 | Novel wastewater and sewage diving electric pump |
| CN201696308U (en) * | 2010-06-17 | 2011-01-05 | 上海汇业机械科技有限公司 | Diving sewage pump with cutting tools |
| CN208749598U (en) * | 2018-09-19 | 2019-04-16 | 浙江大元泵业股份有限公司 | A kind of submersible pump with mechanical seal buck configuration |
| CN210686326U (en) * | 2019-06-12 | 2020-06-05 | 南京凯普德制泵有限公司 | Submersible sewage pump with cooling function |
| CN111828344A (en) * | 2020-08-06 | 2020-10-27 | 济宁安泰矿山设备制造有限公司 | Two-stage impeller submersible sewage pump |
-
2020
- 2020-10-28 CN CN202011169904.9A patent/CN112412818A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201526469U (en) * | 2009-11-17 | 2010-07-14 | 上海奥力泵阀制造有限公司 | Novel wastewater and sewage diving electric pump |
| CN201696308U (en) * | 2010-06-17 | 2011-01-05 | 上海汇业机械科技有限公司 | Diving sewage pump with cutting tools |
| CN208749598U (en) * | 2018-09-19 | 2019-04-16 | 浙江大元泵业股份有限公司 | A kind of submersible pump with mechanical seal buck configuration |
| CN210686326U (en) * | 2019-06-12 | 2020-06-05 | 南京凯普德制泵有限公司 | Submersible sewage pump with cooling function |
| CN111828344A (en) * | 2020-08-06 | 2020-10-27 | 济宁安泰矿山设备制造有限公司 | Two-stage impeller submersible sewage pump |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |