CN109595181B - Submersible electric pump with modular conductive cooling supporting structure - Google Patents
Submersible electric pump with modular conductive cooling supporting structure Download PDFInfo
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- CN109595181B CN109595181B CN201910040448.9A CN201910040448A CN109595181B CN 109595181 B CN109595181 B CN 109595181B CN 201910040448 A CN201910040448 A CN 201910040448A CN 109595181 B CN109595181 B CN 109595181B
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- component
- electric pump
- modular
- cooling oil
- pipe
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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
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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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
- F04D29/007—Details, component parts, or accessories 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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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
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a submersible electric pump with a modular conductive cooling support structure, which comprises a top cover part, a modular lifting pipe part, an electric pump part and a sleeve; the top cover component and the electric pump component are connected by adopting modular lifting pipe components, and the number of the modular lifting pipe components is more than or equal to 1; the sleeve is mounted on the exterior of the top cap component, the modular pull tube component, and the electric pump component. The electric pump component is arranged below the liquid level, the top cover component is arranged above the liquid level, and the number of the modularized lifting pipe components is adjustable according to the installation depth of the electric pump; the pump set circulating cooling oil interface and the cable junction box are arranged in the top cover component; the pump unit is provided with the hollow guide pipe, so that the pump unit can play a role in conducting electricity and is also a cooling oil channel, and the conduction of cooling oil and current is realized through a structure form of splicing the modular guide pipes. The invention has convenient installation and disassembly and small assembly and disassembly space, and can be applied to the engineering of submerged pumping medium needing fixed installation.
Description
Technical Field
The invention relates to a submersible electric pump, in particular to a submersible electric pump with a modular conductive cooling support structure, which has the advantages that the main components are modularly installed, the installation and the disassembly are convenient, the number of the modular lifting pipe components is adjustable, the components are installed and disassembled section by section, and the overhaul space is small.
Background
When pumping and conveying liquid in a low liquid level environment such as a pit, a well or a tank container, a common submerged pump or a submerged pump is generally adopted.
The common submerged pump is generally used in the normal-temperature clear water working condition and is not fixedly installed, when corrosive liquid is conveyed, the cable and nonmetal parts such as a cable outlet port and the like are contacted with the liquid for a long time, and the service life is greatly shortened; and when high power and high lift requirements or other fixed installation working conditions are required, the installation, coupling, maintenance and disassembly of the common submersible pump are extremely inconvenient. The motor of the submerged pump is above the water surface, although the problem of cable corrosion does not exist, the shaft shakes violently due to the adoption of the slender flexible shaft, and the bearing is continuously subjected to unilateral abrasion, so that the submerged pump is high in damage frequency and short in maintenance period, and the submerged pump is generally less used in the working condition that the length of a rod exceeds 10 meters.
Disclosure of Invention
In view of the above problems, the main object of the present invention is to provide a submersible pump with a modular conductive cooling support structure, which has the advantages of modular installation of main components, convenient installation and disassembly, adjustable number of modular dip tube components, sectional installation and disassembly of the components, and small maintenance space.
The invention solves the technical problems through the following technical scheme: a modular electrically conductive cooling support structure submersible electric pump comprising: a top cover component, a modular pull-up tube component, an electric pump component, a sleeve; the electric pump component is arranged below the liquid level, and the top cover component is arranged above the liquid level; the top cover component and the electric pump component are connected by adopting modular lifting pipe components, and the number of the modular lifting pipe components is more than or equal to 1; the sleeve is mounted on the exterior of the top cap component, the modular pull tube component, and the electric pump component.
The pump set circulating cooling oil interface and the cable junction box are arranged in the top cover component; the pump unit is provided with the hollow guide pipe, so that the pump unit can play a role in conducting electricity and is also a cooling oil channel, and the conduction of cooling oil and current is realized through a structure form of splicing the modular guide pipes. The submersible electric pump has the advantages of good rigidity of the rotating shaft, convenient installation and disassembly and small assembly and disassembly space, and can be applied to the engineering of pumping media under submerged liquid needing to be fixedly installed.
In a specific embodiment of the present invention, a cable connection box and a cooling oil box are mounted on the top cover member, the cooling oil box is provided with a first cooling oil channel and a second cooling oil channel, a first cooling oil interface and a second cooling oil interface, which are separated from each other, a first flange connection surface is disposed at the lowermost portion of the top cover member, and a first insertion hole in a plug-in manner is formed by a first hollow conductive tube, and the first hollow conductive tube is respectively connected with a terminal in the cable connection box.
In a specific embodiment of the invention, the modular pulling pipe component comprises a pulling pipe shell, a second hollow conductive pipe, an insulating sheath and a sheath support, wherein an inner cavity of the second hollow conductive pipe forms a third cooling oil channel, a fourth cooling oil channel is formed between the outer wall of the second hollow conductive pipe and the pulling pipe shell, and a second flange connecting surface and a third flange connecting surface are respectively arranged at two ends of the modular pulling pipe component, and a first plug and a second jack which are made of the second hollow conductive pipe and are in a plug-in mode are respectively arranged at two ends of the modular pulling pipe component.
In a specific implementation example of the invention, the electric pump component comprises a motor and a pump head, a motor cavity is isolated from a pump cavity, the motor is an oil-immersed motor, and a cooling oil cooling motor with circulating flow is used for cooling the motor; the uppermost part of the electric pump component is provided with a fourth flange connecting surface and a second plug which is made of a third hollow conductive pipe and is in a plug-in mode, and the third hollow conductive pipe is respectively connected with a stator lead of the motor; and a fifth cooling oil channel is formed in the inner cavity of the third hollow conductive pipe, and a sixth cooling oil channel is formed between the outer wall of the third hollow conductive pipe and the motor shell.
In a practical embodiment of the invention, a first pumping port and a second pumping port are arranged between the sleeve and the modular pull pipe component for conveying pumped fluid, the sleeve is provided with two layers of supports, the first support is used for fixing the sleeve on a building, and the second support is used for suspending and fixing a pump group.
The positive progress effects of the invention are as follows: the submersible electric pump with the modular conductive cooling supporting structure provided by the invention avoids the problems that a common submersible pump is difficult to fix and install, a cable is easy to corrode and age by a medium, and a long shaft of the submerged pump eccentrically shakes and rubs.
The electric pump component is arranged below the liquid level, the top cover component is arranged above the liquid level, the top cover component and the electric pump component are connected by adopting a plurality of modularized lifting pipes, and the number of the modularized lifting pipe components is adjustable according to the installation depth of the electric pump; the pump set circulating cooling oil interface and the cable junction box are arranged in the top cover component; the pump unit is provided with the hollow guide pipe, so that the pump unit can play a role in conducting electricity and is also a cooling oil channel, and the conduction of cooling oil and current is realized through a structure form of splicing the modular guide pipes.
The main components are installed in a modularized mode, the installation and the disassembly are convenient, the number of the modularized lifting pipe components is adjustable, the components are installed and disassembled section by section, and the overhauling space is small.
Drawings
Fig. 1 is the upper half of the structural schematic of the invention.
Fig. 2 is the lower half of the structural schematic of the invention.
Fig. 3 is a partially enlarged view of the upper half of the structural schematic of the invention.
Fig. 4 is a partially enlarged view of the lower half of the structural schematic of the invention.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a top half of an inventive structural schematic diagram, fig. 2 is a bottom half of the inventive structural schematic diagram, fig. 3 is an enlarged view of the top half of the inventive structural schematic diagram, fig. 4 is an enlarged view of the bottom half of the inventive structural schematic diagram, and as shown in fig. 1-4, the present invention provides a modular electrically conductive cooling support structure submersible electric pump comprising: top cap component 100, modular dip tube component 200, electric pump component 300, sleeve 400; the electric pump assembly 300 is installed below the liquid level, and the top cover assembly 100 is installed above the liquid level; the top cover component 100 and the electric pump component 300 are connected by adopting modular pulling pipe components 200, and the number of the modular pulling pipe components 200 is more than or equal to 1; sleeve 400 is mounted on the exterior of top cap component 100, modular dip tube component 200, and electric pump component 300.
The top cover part 100 is provided with a cable junction box and a cooling oil box, the cooling oil box is provided with a first cooling oil channel 110, a second cooling oil channel 111, a first cooling oil interface 112 and a second cooling oil interface 113 which are separated from each other, the lowest part of the top cover part is provided with a first flange connecting surface 130 and a first jack 120 which is made of a first hollow conductive tube 101 and is in a plug-in form, and the first hollow conductive tube 101 is respectively connected with a wiring terminal 121 in the cable junction box.
The modular lifting pipe component 200 comprises a lifting pipe shell, a second hollow conductive pipe 201, an insulating sheath and a sheath support, wherein a third cooling oil channel 210 is formed in the inner cavity of the second hollow conductive pipe 201, a fourth cooling oil channel 211 is formed between the outer wall of the second hollow conductive pipe 201 and the lifting pipe shell, a second flange connecting surface 230 and a third flange connecting surface 231 are respectively arranged at two ends of the modular lifting pipe component 200, and a first plug 221 and a second jack 220 which are made of the second hollow conductive pipe 201 and are in a plug-in mode are respectively arranged at two ends of the modular lifting pipe component.
The top cover part 100 and the modular lifting pipe part 200 at the top level are connected with the first hollow conductive pipe 101 and the second hollow conductive pipe 201 by adopting a mode that the first jack 120 is inserted into the first plug 221, and are matched with the second flange connecting surface 230 for supporting connection through the first flange connecting surface 130; the second hollow conductive tube 201 and the third hollow conductive tube 301 are connected between the lowest modular dip tube part 200 and the electric pump part 300 by the way of plugging the second jack 220 and the second plug 320, and are supported by the third flange connection surface 231 and the fourth flange connection surface 330 in a matching way.
The electric pump component 300 comprises a motor and a pump head, wherein a motor cavity is isolated from a pump cavity, the motor is an oil-immersed motor, and a cooling oil cooling motor which circularly flows is arranged; the uppermost part of the electric pump component 300 is provided with a fourth flanged connection surface 330 and a second plug 320 which is made of a third hollow conductive pipe 301 and is in a plug-in mode, and the third hollow conductive pipe 301 is respectively connected with a stator lead of the motor; the inner cavity of the third hollow conductive tube 301 forms a fifth cooling oil channel 310, and a sixth cooling oil channel 311 is formed between the outer wall of the third hollow conductive tube 301 and the motor casing.
Between sleeve 400 and modular dip tube unit 200 is a delivery channel 411 for pumping fluid, provided with a first pumping port 410 and a second pumping port 412, sleeve 200 being provided with two layers of support, a first support 401 for fixing the sleeve to the building and a second support 402 for suspending and fixing the pump group.
The following is a specific working process of the invention:
before the power is switched on, cooling oil is firstly introduced, enters the first cooling oil channel 110 through the first cooling oil interface 112, enters the fifth cooling oil channel 310 through the third cooling oil channel 210, exchanges heat with the motor, enters the fourth cooling oil channel 211 through the sixth cooling oil channel 311, and flows out through the second cooling oil channel 111 and the second cooling oil interface 113.
After the power is switched on, the current passes through the wiring terminal 121, the first hollow conductive tube 101, the second hollow conductive tube 201 and the third hollow conductive tube 301 and then is connected with the stator coil of the motor, the motor is started, and the pump starts to work.
The pumping medium is drawn in from the first pumping port 410, passes through the delivery passage 411, and is discharged from the second pumping port 412.
In the drawings presented herein, modular pull tube sections 200 are of one level.
The flange connecting surface is assisted with 0 type ring for sealing. The motor cavity and the pump cavity are separated by mechanical sealing.
The oil immersion type submersible electric pump with the modularized conductive, cooling and supporting integrated structure provided by the invention avoids the problems that a common submersible pump is difficult to fix and install, a cable is easy to corrode and age by a medium, and a long shaft of a submerged pump eccentrically shakes and rubs, and the rigidity of a rotating shaft of the electric pump is good; the main components are installed in a modularized mode, the installation and the disassembly are convenient, the number of the modularized lifting pipe components is adjustable, the components are installed and disassembled section by section, and the overhauling space is small. The device can be applied to the engineering of submerged pumping media needing fixed installation.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (4)
1. A modular, electrically conductive, cooled, support structure submersible electric pump, characterized by: the modular electrically conductive cooling support structure submersible electric pump comprises: a top cover component, a modular pull-up tube component, an electric pump component, a sleeve; the electric pump component is arranged below the liquid level, and the top cover component is arranged above the liquid level; the top cover component and the electric pump component are connected by adopting modular lifting pipe components, and the number of the modular lifting pipe components is more than or equal to 1; the sleeve is arranged outside the top cover component, the modular lifting pipe component and the electric pump component;
the cable junction box and the cooling oil box are mounted on the top cover part, the cooling oil box is provided with a first cooling oil channel and a second cooling oil channel which are separated from each other, a first cooling oil interface and a second cooling oil interface, a first flange connecting surface and a first jack in a plug-in mode made of a first hollow conductive tube are arranged at the lowest part of the top cover part, and the first hollow conductive tube is respectively connected with a wiring terminal in the cable junction box;
the first cooling oil passage (110) is communicated with the first hollow conductive pipe (101).
2. The modular electrically conductive cooling support structure submersible electric pump of claim 1, wherein: the modularized drawing pipe component comprises a drawing pipe shell, a second hollow conductive pipe, an insulating sheath and a sheath support, wherein a third cooling oil channel is formed in the inner cavity of the second hollow conductive pipe, a fourth cooling oil channel is formed between the outer wall of the second hollow conductive pipe and the drawing pipe shell, a second flange connecting surface and a third flange connecting surface are respectively arranged at two ends of the modularized drawing pipe component, and a first plug and a second jack which are made of the second hollow conductive pipe and are in a plug-in mode are arranged at two ends of the modularized drawing pipe component.
3. The modular electrically conductive cooling support structure submersible electric pump of claim 1, wherein: the electric pump component comprises a motor and a pump head, a motor cavity is isolated from a pump cavity, the motor is an oil-immersed motor, and a cooling oil cooling motor which circularly flows is arranged; the uppermost part of the electric pump component is provided with a fourth flange connecting surface and a second plug which is made of a third hollow conductive pipe and is in a plug-in mode, and the third hollow conductive pipe is respectively connected with a stator lead of the motor; and a fifth cooling oil channel is formed in the inner cavity of the third hollow conductive pipe, and a sixth cooling oil channel is formed between the outer wall of the third hollow conductive pipe and the motor shell.
4. The modular electrically conductive cooling support structure submersible electric pump of claim 1, wherein: a conveying channel for pumping fluid is arranged between the sleeve and the modular pulling pipe parts, a first pumping port and a second pumping port are arranged, the sleeve is provided with two layers of supports, the first support fixes the sleeve on a building, and the second support is used for suspending and fixing a pump group.
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CN201910040448.9A CN109595181B (en) | 2019-01-16 | 2019-01-16 | Submersible electric pump with modular conductive cooling supporting structure |
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CN201910040448.9A CN109595181B (en) | 2019-01-16 | 2019-01-16 | Submersible electric pump with modular conductive cooling supporting structure |
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CN109595181A CN109595181A (en) | 2019-04-09 |
CN109595181B true CN109595181B (en) | 2020-07-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114922811B (en) * | 2021-11-30 | 2024-05-14 | 上海凯泉泵业(集团)有限公司 | Submersible electric pump and installation method thereof |
CN115070640A (en) * | 2022-03-25 | 2022-09-20 | 上海凯泉泵业(集团)有限公司 | Special tool for mounting submersible pump |
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CN2861561Y (en) * | 2005-09-21 | 2007-01-24 | 天津加马机械厂 | Submersible oil pump |
CN201202659Y (en) * | 2008-05-30 | 2009-03-04 | 宁波巨神制泵实业有限公司 | Large-scale submersible electric pump |
CN201650779U (en) * | 2010-03-24 | 2010-11-24 | 天津加马机械厂 | Submersible pump for quickly transporting oil |
CN201771824U (en) * | 2010-09-07 | 2011-03-23 | 宁波巨神制泵实业有限公司 | Cable dry type outlet device of submersible pump |
JP2013217299A (en) * | 2012-04-10 | 2013-10-24 | Ebara Corp | Pump device having rectification cover, and rectification cover |
CN206111594U (en) * | 2016-09-08 | 2017-04-19 | 常州东申泵业有限公司 | Perpendicular mounting structure of dive axial -flow pump |
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2019
- 2019-01-16 CN CN201910040448.9A patent/CN109595181B/en active Active
Patent Citations (6)
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CN2861561Y (en) * | 2005-09-21 | 2007-01-24 | 天津加马机械厂 | Submersible oil pump |
CN201202659Y (en) * | 2008-05-30 | 2009-03-04 | 宁波巨神制泵实业有限公司 | Large-scale submersible electric pump |
CN201650779U (en) * | 2010-03-24 | 2010-11-24 | 天津加马机械厂 | Submersible pump for quickly transporting oil |
CN201771824U (en) * | 2010-09-07 | 2011-03-23 | 宁波巨神制泵实业有限公司 | Cable dry type outlet device of submersible pump |
JP2013217299A (en) * | 2012-04-10 | 2013-10-24 | Ebara Corp | Pump device having rectification cover, and rectification cover |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
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