CN113700654A - Water pump device for separating conveying power of vacuumized water diversion and water pump - Google Patents

Water pump device for separating conveying power of vacuumized water diversion and water pump Download PDF

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Publication number
CN113700654A
CN113700654A CN202111170865.9A CN202111170865A CN113700654A CN 113700654 A CN113700654 A CN 113700654A CN 202111170865 A CN202111170865 A CN 202111170865A CN 113700654 A CN113700654 A CN 113700654A
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CN
China
Prior art keywords
water
water pump
shaft
pump
driving shaft
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Pending
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CN202111170865.9A
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Chinese (zh)
Inventor
陈建江
黄可均
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Zhejiang Longdun Fire Technology Co ltd
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Zhejiang Longdun Fire Technology Co ltd
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Priority to CN202111170865.9A priority Critical patent/CN113700654A/en
Publication of CN113700654A publication Critical patent/CN113700654A/en
Pending legal-status Critical Current

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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
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/528—Casings; Connections of working fluid for axial pumps 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/548—Specially 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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming 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 water pump device for separating vacuumized water diversion from water pump conveying power comprises a water pump, wherein the water pump is connected with a water diversion pipeline, a branch pipeline is arranged on the water diversion pipeline, the branch pipeline and the water diversion pipeline are internally provided with the same driving shaft, one end of the driving shaft is connected with a driven wheel, the driven wheel is connected with an electromagnetic clutch through a belt, the electromagnetic clutch is connected with a main shaft on the water pump, and the other end of the driving shaft is connected with a water pumping device arranged in the water diversion pipeline; one part of the main shaft is arranged in the water pump, the other part of the main shaft is arranged outside the water pump, and the main shaft outside the water pump is connected with an electromagnetic clutch. The invention adopts a branch pipe structure, a driving shaft is connected with a main shaft on a water pump through an electromagnetic clutch to provide power for a pumping device, water is pumped quickly with large flow and high lift, the pumped water enters the water pump through a water conduit to finish the vacuumizing work of the water pump, then the driving shaft is separated from the main shaft on the water pump through a clutch, the water pump starts the water pump conveying function of water flow, and the separation of vacuumizing and water pump conveying power is realized.

Description

Water pump device for separating conveying power of vacuumized water diversion and water pump
Technical Field
The invention relates to a water pump device, in particular to a water pump device for separating vacuumizing water diversion from water pump conveying power.
Background
Water pumps are important devices used frequently in production operations for transporting media such as water flows. In the field of fire-fighting water pumps, the water pump is required to have a high reaction speed and a high initial lift. The initial lift is the depth of the water pump. The existing fire pump generally starts the water pump to vacuumize after a water pipe is put into water, water flow enters the water pump to formally pump water under atmospheric pressure after the water pump is vacuumized, and the relative reaction time is slow. At present, a submersible pump is directly put into water to directly pump water and feed the water pump so as to reduce the process of pumping vacuum of the water pump. The driving force of the submersible pump is divided into two driving modes, one driving mode is that the submersible pump is driven to rotate by a flexible shaft under the driving of a main shaft of the water pump, the other driving mode is that a motor is directly put into water for driving, and the two driving modes, namely the flexible shaft mode, have extremely short service life and frequent failure rate due to the fact that the flexible shaft mode always rotates along with the main shaft of the water pump in the water pumping process. The other type of the water-saving type water-saving fire-fighting water pump directly puts a motor into water to drive, so that on one hand, the electric leakage risk exists, on the other hand, the motor power is limited due to the pipe diameter, the high initial lift performance of the fire-fighting requirement cannot be met, and the water-saving type water-saving fire-fighting water pump can only adapt to a water source with the depth of less than 5 meters.
Chinese patent No. 2011800327041 discloses a pumping device with a flexible shaft, which includes a pumping device for ensuring the transfer of fluids such as gas and liquid from one place to another; it has an outer flexible conduit forming a closed volume between the first suction zone (a) and the target zone (B), a flexible shaft transmitting the rotary power of the pumping means, the flexible shaft transmitting the rotary power to at least one impeller, and a plurality of centering members for ensuring that said flexible shaft is centered and/or positioned within the outer flexible conduit, which is a structure in which the flexible shaft needs to rotate simultaneously with the pumping means for a long period of time. How to realize water depth of more than 7 meters, the fire pump structure for rapidly pumping water is the object of research of the technicians in the field.
Disclosure of Invention
The invention provides the water pump device with the functions of vacuumizing water diversion and water pump conveying power separation, which has the advantages of low failure rate, high initial lift and short water pumping reaction time.
A water pump device for separating vacuumized water diversion from water pump conveying power comprises a water pump, wherein the water pump is connected with a water diversion pipeline, a branch pipeline is arranged on the water diversion pipeline, the branch pipeline and the water diversion pipeline are internally provided with the same driving shaft, a connector at one end of the driving shaft is connected with a driven wheel, the driven wheel is connected with an electromagnetic clutch through a belt, the electromagnetic clutch is connected with a main shaft on the water pump, and the other end of the driving shaft is connected with a water pumping device arranged in the water diversion pipeline; one part of the main shaft is arranged in the water pump, the other part of the main shaft is arranged outside the water pump, and the main shaft outside the water pump is connected with an electromagnetic clutch; the water conduit and the branch conduit form a relative closed space. This kind of pumping plant adopts to be equipped with the small transfer line on the leading water pipeline, the main pipeline that the leading water pipeline drenches as the water pump, the small transfer line is as the power pipeline of evacuation diversion, main shaft on the water pump draws water pump department with water through drive shaft drive pumping device, leading water pipeline and small transfer line are a relative enclosure space, can accomplish the evacuation function of water pump fast, the evacuation function of water pump is accomplished the back water pump and is shifted over to the function of drawing water automatically, the water pump closes the drive shaft stop rotation through electromagnetic clutch, pumping plant stops to draw water, with the reduction fault rate. The power of the pumping device is not underwater, so that the output power of the driving shaft can be adjusted through the output ratio of the driven wheel, the initial high-lift performance is realized, and the problem of insufficient pumping lift of a motor submersible pump is avoided.
The water diversion pipeline is characterized in that one end of the water diversion pipeline is connected with the water pump, the other end of the water diversion pipeline is connected with the water pumping device, the water pumping device at least comprises a propeller and a guide vane integrally cast with the tubular shell, the propeller is connected with the driving shaft through a pump shaft, and the propeller rotates to convey water flow upwards through the guide vane along the water diversion pipeline.
One part of the driving shaft is arranged in the water diversion pipeline, and the other part of the driving shaft is arranged in the branch pipeline, so that the driving shaft has an independent power source, the long-term co-rotation with the main shaft of the water pump is avoided, and the failure rate is reduced; the water conduit and the branch conduit are internally provided with a centering component for clamping the driving shaft; the centering component comprises two semicircular sheets, a semicircular flange surface is arranged on each semicircular sheet, an integrated and vertically arranged semicircular shaft sleeve is arranged in the middle of each flange surface, and a connecting hole is formed in the radial direction of each semicircular shaft sleeve; and the water through holes are formed in the horizontal plane of the flange surface. The middle part is simple in structure, convenient to connect, and capable of enabling the driving shaft to be arranged in the middle of the water diversion pipeline and the branch pipeline on the basis that water flow movement is not influenced, and power output of the propeller is achieved.
A bent pipe is arranged between the water pump and the water conduit; the length of the water conduit is more than 7 meters, so that the initial high-lift performance of the water pump device is achieved.
The diversion pipeline comprises a first pipe section connected with the branch pipeline, the pipe orifice of the first pipe section is connected with a second pipe section while clamping the driving shaft through the centering component, and the pipe orifice of the second pipe section is connected with the water pumping device through a flange plate. This sectional type leading water pipeline is favorable to carrying more to and the installation of drive shaft, well parts.
The water pumping device further comprises a tubular shell, wherein the inner wall of the tubular shell is matched with a propeller arranged up and down and a guide vane integrally cast with the tubular shell, the propeller is positioned at the bottom of the tubular shell, the middle of the propeller is connected with a pump shaft through a connecting pin, the pump shaft is connected with a limit nut outside the bottom of the propeller, and the top of the pump shaft is connected with a drive shaft through a screw rod. The guide vane and the propeller are sealed inside by the water pumping device through the tubular shell to form the unpowered submersible pump.
The guide vane is connected with the pump shaft through a mechanical sealing device, the mechanical sealing device comprises a first sealing shaft sleeve, a sealing cover plate and a second sealing shaft sleeve, the two sealing cover plates are positioned on the upper side and the lower side of the guide vane, and a bearing sleeved with the pump shaft is arranged between the sealing cover plate and the impeller; the sealing cover plate is connected with the guide vane through a fastening screw. The mechanical sealing device effectively avoids the pump shaft from being blocked due to environmental factors, and prolongs the service life of the mechanical seal.
The first sealing shaft sleeve is positioned between the sealing cover plate at the lower side of the impeller and the propeller; the second seal shaft sleeve is located on the seal cover plate on the upper side of the guide vane, the second seal shaft sleeve is radially provided with a positioning hole for connecting the positioning pin, the accuracy of the axial distance between the guide vane and the propeller is realized, and the lift of the pumping device is improved.
The water pump in be equipped with pressure sensor, pressure sensor control electromagnetic clutch switching avoids the technical fault that the drive shaft long-time rotation leads to.
The water pumping method of the water pump comprises the following steps:
the method comprises the following steps: putting the water pumping device into water, starting a main shaft by a water pump to drive a driving shaft to rotate, wherein the driving shaft adopts a flexible shaft, one part of the driving shaft is arranged in the water diversion pipeline, the other part of the driving shaft is arranged in a branch pipeline, the driving shaft drives a propeller to rotate, and the propeller drives water flow to be conveyed to the water pump through the water pumping device;
step two: after water flow is conveyed to the water pump, the pressure sensor senses pressure and then closes the electromagnetic clutch, so that the driving shaft stops rotating, and the water pump finishes vacuumizing;
step three: the water pump starts pumping water.
According to the water pumping method, the vacuumized water diversion is separated from the conveying power of the water pump, namely, the output power of the main shaft of the water pump is matched with the output power of the driving shaft to output larger power to the propeller, so that the vacuumizing performance of the water pump is shortened on the basis of realizing the large-flow and high-lift output of the water pumping device, and the power of the water pump can be separated from the power of the water pump to reduce the faults of the driving shaft and the water pumping device.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a front view of a water pump device for separating pumped water from power delivered by a water pump according to the present invention;
FIG. 2 is a schematic view of the water conduit structure of the present invention;
FIG. 3 is a schematic view of the structure of the water pumping device of the present invention;
FIG. 4 is a front view of the centering component of the present invention;
fig. 5 is a schematic top view of the centering component of the present invention.
Detailed description of the preferred embodiments
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-5, a water pump device for separating vacuum water diversion from water pump transmission power comprises a water pump 1, the water pump 1 is connected with a water diversion pipeline 3, a branch pipeline 9 is arranged on the water diversion pipeline 3, the same driving shaft 7 is arranged in the branch pipeline 9 and the water diversion pipeline 3, a connector 8 at one end of the driving shaft 7 is connected with a driven wheel 36, the driven wheel 36 is connected with an electromagnetic clutch 33 through a belt 35, the electromagnetic clutch 33 is connected with a main shaft 34 on the water pump, and the other end of the driving shaft 7 is connected with a water pumping device arranged in the water diversion pipeline. The main shaft 34 is partially inside the water pump and partially outside the water pump, and the electromagnetic clutch 33 is connected to the main shaft 34 outside the water pump. In order to realize the multi-power transmission of the main shaft 34, a sealing device is arranged between the main shaft 34 and the water pump to prevent water leakage.
Preferably, the penstock 3 and the branch ducts 9 form an opposite closed space. One end of the water conduit 3 is connected with the water pump 1, the other end is connected with a water pumping device, the water pumping device at least comprises a propeller 17 and a guide vane 22 integrally cast with the tubular shell, and the propeller 17 is connected with the driving shaft 7 through a pump shaft 15. The driving shaft 7 is partially arranged in the diversion conduit 3 and partially arranged in the branch conduit 9, so that the technical performance that the driving shaft 7 can stop rotating when the main shaft of the water pump rotates is realized. In order to improve the sealing performance, the outer end of the branch pipe 9 is connected with a sealing pipe 32, and the end part of the sealing pipe 32 is hermetically connected with the driving shaft 7 through a sealing element.
The diversion conduit 3 and the branch conduit 9 which are the preferred structures are internally provided with a centering component 10 for clamping the driving shaft 7; the centering component 10 comprises two semicircular sheets, a semicircular flange surface 25 is arranged on each semicircular sheet, an integral and vertically-arranged semicircular shaft sleeve 26 is arranged in the middle of each flange surface 25, the semicircular shaft sleeve 26 is radially provided with a connecting hole 11, and a water through hole 28 is arranged on the horizontal surface of each flange surface 25. The driving shaft 7 is clamped by the semicircular shaft sleeves 26 on the two semicircular plates, and the flange surface 25 is connected with the water conduit 3 or the branch conduit 9. The penstock 3 comprises a first pipe section 30 connected with a branch pipe 9, the orifice of the first pipe section 30 is connected with a second pipe section 4 while clamping a driving shaft 7 through a centering component 10, and the orifice of the second pipe section 4 is connected with a water pumping device through a flange 12.
As the water pumping device of initial high lift, be equipped with return bend 2 between water pump 1 and the leading water pipeline 3 and be convenient for connect leading water pipeline 3, leading water pipeline 3 length is greater than 7 meters, just ensures that the depth of water that the pumping device extracted is greater than 7 meters promptly, realizes the adaptability to the water of the water depth waters of water pump more than 7 meters.
In order to increase the lift of the water pumping device, the water pumping device further comprises a tubular shell 5, wherein the inner wall of the tubular shell 5 is matched with a propeller 17 arranged up and down and a guide vane 22 integrally cast with the tubular shell, the propeller 17 is positioned at the bottom of the tubular shell 5, the middle of the propeller 17 is connected with a pump shaft 15 through a connecting pin 20, the pump shaft 15 is connected with a limit nut 19 at the outer side of the bottom of the propeller 17, and the top of the pump shaft 15 is connected with a driving shaft 7 through a screw rod 31. The tubular housing 5 is matched with the propeller 17 and the guide vane 22, so that the water flow driving force obtained by the propeller 17 is efficiently output through the guide vane 22 to realize the high-lift performance of the water pumping device. In order to prevent the clogging of the impurities, the bottom of the tubular housing 5 is connected with the filter screen 6 by a connecting screw 18.
In order to further improve the technical performance of the water pumping device, the guide vane 22 is connected with the pump shaft 15 through a mechanical sealing device, the mechanical sealing device comprises a first sealing shaft sleeve 21, a sealing cover plate 23 and a second sealing shaft sleeve 24, the sealing cover plate 23 is two and is positioned at the upper side and the lower side of the guide vane 22, and a bearing 14 sleeved with the pump shaft 15 is arranged between the sealing cover plate 23 and the impeller 22; the sealing cover plate 23 is connected with the guide vane 22 through the fastening screw 16, so that when the pump shaft 15 rotates, water flow is prevented from entering the connection part of the guide vane 22 and the pump shaft 15 through a mechanical sealing device, the service life of the bearing 14 is prolonged, and the resistance of the pump shaft 15 under other factors is reduced.
Preferably, as a structure, the first sealing shaft sleeve 21 is located between the sealing cover plate 23 on the lower side of the guide vane 22 and the propeller 17, the second sealing shaft sleeve 24 is located on the sealing cover plate 23 on the upper side of the guide vane 22, the second sealing shaft sleeve 24 is radially provided with positioning holes for connecting the positioning pins 13, the guide vane 22 is accurately positioned in the axial direction through the first sealing shaft sleeve 21 and the second sealing shaft sleeve 24 so as to achieve the matching with the propeller 17, and a high lift is output.
A water pumping method of a water pump with the separation of vacuumized water diversion and water pump transmission power comprises the following steps:
the method comprises the following steps: putting the water pumping device into water, starting a main shaft by a water pump to drive a driving shaft to rotate, wherein the driving shaft adopts a flexible shaft, one part of the driving shaft is arranged in the water diversion pipeline, the other part of the driving shaft is arranged in a branch pipeline, the driving shaft drives a propeller to rotate, and the propeller drives water flow to be conveyed to the water pump through the water pumping device;
step two: after water flow is conveyed to the water pump, the pressure sensor senses pressure and then closes the electromagnetic clutch, so that the driving shaft stops rotating, and the water pump finishes vacuumizing;
step three: the water pump starts pumping water.
According to the water pumping method, the vacuumized water diversion is separated from the power transmitted by the water pump, namely, the main shaft is matched with the driving shaft to output larger power to the propeller, suction is generated in the water diversion pipeline and the branch pipeline, the performance of shortening the vacuumizing time of the water pump is achieved on the basis of realizing high-lift output of the water pumping device, and the driving shaft can be separated from the power of the water pump to reduce the faults of the driving shaft and the water pumping device.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a water pumping plant of power separation is carried with water pump to evacuation diversion, includes water pump (1), its characterized in that: the water pump (1) is connected with a water diversion pipeline (3), a branch pipeline (9) is arranged on the water diversion pipeline (3), the same driving shaft (7) is arranged in the branch pipeline (9) and the water diversion pipeline (3), a connector (8) at one end of the driving shaft (7) is connected with a driven wheel (36), the driven wheel (36) is connected with an electromagnetic clutch (33) through a belt (35), the electromagnetic clutch (33) is connected with a main shaft (34) on the water pump, and the other end of the driving shaft (7) is connected with a water pumping device arranged in the water diversion pipeline; one part of the main shaft (34) is arranged in the water pump, the other part of the main shaft is arranged outside the water pump, and the main shaft (34) outside the water pump is connected with an electromagnetic clutch (33); the water conduit (3) and the branch conduit (9) form a relative closed space.
2. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 1, characterized in that: water pump (1) is connected to leading water pipeline (3) one end, the water pumping device is connected to the other end, water pumping device includes a screw (17), stator (22) at least, screw (17) are through pump shaft (15) connection drive shaft (7).
3. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 1, characterized in that: one part of the driving shaft (7) is arranged in the water conduit (3), and the other part is arranged in the branch conduit (9); the water conduit (3) and the branch conduit (9) are internally provided with a centering component (10) for clamping the driving shaft (7); the centering component (10) comprises two semicircular sheets, a semicircular flange surface (25) is arranged on each semicircular sheet, an integrated semicircular shaft sleeve (26) is arranged in the middle of each flange surface (25) in a vertical mode, and a connecting hole (11) is formed in each semicircular shaft sleeve (26) in the radial direction; and a water through hole (28) is formed in the horizontal plane of the flange surface (25).
4. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 1, characterized in that: a bent pipe (2) is arranged between the water pump (1) and the water conduit (3); the length of the water conduit (3) is more than 7 meters.
5. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to claim 4, characterized in that: the water conduit (3) comprises a first pipe section (30) connected with the branch conduit (9), the pipe orifice of the first pipe section (30) is connected with a second pipe section (4) while clamping the driving shaft (7) through the centering component (10), and the pipe orifice of the second pipe section (4) is connected with a water pumping device through a flange plate (12).
6. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 2, characterized in that: the water pumping device further comprises a tubular shell (5), wherein the inner wall of the tubular shell (5) is matched with a propeller (17) arranged up and down and a guide vane (22) integrally cast with the tubular shell, the propeller (17) is located at the bottom of the tubular shell (5), the middle of the propeller (17) is connected with a pump shaft (15) through a connecting pin (20), the pump shaft (15) is connected with a limit nut (19) on the outer side of the bottom of the propeller (17), and the top of the pump shaft (15) is connected with a drive shaft (7) through a screw rod (31).
7. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 2, characterized in that: the guide vane (22) is connected with the pump shaft (15) through a mechanical sealing device, the mechanical sealing device comprises a first sealing shaft sleeve (21), a sealing cover plate (23) and a second sealing shaft sleeve (24), the sealing cover plate (23) is positioned on the upper side and the lower side of the guide vane (22), and a bearing (14) sleeved with the pump shaft (15) is arranged between the sealing cover plate (23) and the impeller (22); the sealing cover plate (23) is connected with the guide vane (22) through a fastening screw (16).
8. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 7, characterized in that: the first sealing shaft sleeve (21) is positioned between a sealing cover plate (23) on the lower side of the guide vane (22) and the propeller (17); the second sealing shaft sleeve (24) is positioned on the sealing cover plate (23) on the upper side of the impeller (22), and the second sealing shaft sleeve (24) is radially provided with a positioning hole connected with the positioning pin (13).
9. The water pump device for separating the vacuumized water diversion and the water pump transmission power according to the claim 1, characterized in that: a pressure sensor is arranged in the water pump and controls the opening and closing of the electromagnetic clutch (33).
10. A water pumping method of a water pump with the separation of vacuumized water diversion and water pump transmission power is characterized in that: the water pumping method of the water pump comprises the following steps:
the method comprises the following steps: putting the water pumping device into water, starting a main shaft (34) by a water pump to drive a driving shaft (7) to rotate, wherein the driving shaft (7) adopts a flexible shaft, one part of the driving shaft (7) is arranged in a water diversion pipeline (3), the other part of the driving shaft is arranged in a branch pipeline (9), the driving shaft (7) drives a propeller (17) to rotate, and the propeller (17) drives water flow to be conveyed to the water pump through the water pumping device;
step two: after water flow is conveyed to the water pump, the pressure sensor senses pressure and then closes the electromagnetic clutch (33), so that the driving shaft (7) stops rotating, and the water pump finishes vacuumizing;
step three: the water pump starts pumping water.
CN202111170865.9A 2021-10-08 2021-10-08 Water pump device for separating conveying power of vacuumized water diversion and water pump Pending CN113700654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111170865.9A CN113700654A (en) 2021-10-08 2021-10-08 Water pump device for separating conveying power of vacuumized water diversion and water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111170865.9A CN113700654A (en) 2021-10-08 2021-10-08 Water pump device for separating conveying power of vacuumized water diversion and water pump

Publications (1)

Publication Number Publication Date
CN113700654A true CN113700654A (en) 2021-11-26

Family

ID=78662490

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111170865.9A Pending CN113700654A (en) 2021-10-08 2021-10-08 Water pump device for separating conveying power of vacuumized water diversion and water pump

Country Status (1)

Country Link
CN (1) CN113700654A (en)

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