CN112963358A - Ship universal pump capable of controlling secondary impeller to run or not to run - Google Patents
Ship universal pump capable of controlling secondary impeller to run or not to run Download PDFInfo
- Publication number
- CN112963358A CN112963358A CN202110417113.1A CN202110417113A CN112963358A CN 112963358 A CN112963358 A CN 112963358A CN 202110417113 A CN202110417113 A CN 202110417113A CN 112963358 A CN112963358 A CN 112963358A
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- Prior art keywords
- secondary impeller
- movable bearing
- impeller
- rotating shaft
- bearing body
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- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 abstract 1
- 240000007643 Phytolacca americana Species 0.000 description 11
- 239000003921 oil Substances 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000013535 sea water Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
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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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/08—Multi-stage pumps the stages being situated concentrically
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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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
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
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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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明提供了一种可控制二级叶轮运转或不运转的船舶通用泵，包括电机、转轴、一级叶轮、二级叶轮、大托架筒体、电机安装在大托架筒体的上端，转轴上端与电机连接，一级叶轮安装在转轴的下端部，二级叶轮能够沿转轴的轴向方向在两个功能位置之间运动，其中，在第一功能位置上，二级叶轮与转轴脱离连接，二级叶轮不运转，在第二功能位置上，二级叶轮与转轴传动连接，二级叶轮运转，传动装置包括传动套、可动轴承体模组和驱动装置，二级叶轮安装在传动套上，驱动装置可驱动可动轴承体模组带动传动套做上下运动，从而带动二级叶轮做上下运动。因此，本发明可以根据应急需要的时候才通过传动装置的启动下，启动二级叶轮工作，从而可以大大的节约能源。The invention provides a general marine pump that can control the operation or non-operation of the secondary impeller, comprising a motor, a rotating shaft, a primary impeller, a secondary impeller, a large bracket cylinder, and the motor is installed on the upper end of the large bracket cylinder, The upper end of the rotating shaft is connected to the motor, the primary impeller is installed on the lower end of the rotating shaft, and the secondary impeller can move between two functional positions along the axial direction of the rotating shaft, wherein, in the first functional position, the secondary impeller is disengaged from the rotating shaft Connected, the secondary impeller does not run, in the second functional position, the secondary impeller is connected to the rotating shaft, the secondary impeller operates, the transmission device includes a transmission sleeve, a movable bearing body module and a driving device, and the secondary impeller is installed in the transmission The driving device can drive the movable bearing body module to drive the transmission sleeve to move up and down, thereby driving the secondary impeller to move up and down. Therefore, the present invention can start the secondary impeller to work under the activation of the transmission device only when emergency needs are needed, thereby greatly saving energy.
Description
Technical Field
The invention relates to the field of marine pumps, in particular to a marine universal pump capable of controlling a secondary impeller to run or not to run.
Background
The marine pump is a machine which is used for increasing the pressure or potential energy of liquid and liquid materials on a ship to enable the liquid and the liquid materials to flow. Pumps are generally necessary to deliver liquids to higher locations, distances, and pressures, and can also be used to generate high pressure liquids for hydraulic transmissions. The pump is driven by an electric motor or other prime mover. The marine pump is characterized in that: the pump is required not to generate cavitation due to the fluctuation of the suction liquid level when the ship swings and inclines; in order to reduce the occupied area of the pump and facilitate maintenance, a vertical structure is generally adopted; the through-flow component is made of bronze, brass or stainless steel and the like to reduce corrosion as much as possible.
The marine pump has very wide application in modern ships, and can be divided into the following parts according to different purposes:
(1) a pump for a marine power plant. The system comprises a fuel pump, a lubricating oil pump, a sea water pump, a fresh water pump, a hydraulic pump of a steering engine or other deck machinery, a feed pump of a boiler device, a cooling water pump of a refrigerating device, a sea water pump and a condensate pump of a sea water desalting device and the like.
(2) A marine general purpose pump. The system comprises a bilge pump, a ballast water pump, a fire pump, a daily fresh water pump, a daily sea water pump and a hot water circulating pump; and also can be used as a general pump for ballast, fire control and bilge water pumps.
(3) A special pump for special ships. Some vessels for special purposes are also provided with special pumps for their special operational requirements, such as cargo oil pumps for oil tankers, mud pumps for dredger ships, salvage pumps for salvage ships, waterjet propulsion pumps for waterjet propulsion ships, fishing pumps for non-net fishing ships, etc.
The ship general pump in the prior art is used as a double-impeller pump and comprises a first-stage impeller and a second-stage impeller, wherein the first-stage impeller is used for conveying ballast tank seawater and is a frequently-used pump, the second-stage impeller is used as an emergency fire pump and is an uncommon pump, when the first-stage impeller is used, the second-stage impeller is also in operation, and when the ship general pump in the prior art is used for 5 ten thousand tons of cargo ships, the ship general pump is used for hundreds of hours or even thousands of hours every time when the ship general pump enters a port; if the primary impeller and the secondary impeller work simultaneously once the ship enters the port, the consumed power is 74-90 KW, and about tens of thousands of degrees of electricity are consumed, so that expensive energy is consumed.
Disclosure of Invention
The invention aims to provide a ship universal pump capable of controlling the operation or non-operation of a secondary impeller, which saves energy.
In order to achieve the above purpose, the invention provides the following technical scheme:
a marine universal pump capable of controlling operation or non-operation of a secondary impeller, comprising a motor, a rotating shaft, a primary impeller, a secondary impeller and a large bracket cylinder, wherein the motor is mounted at an upper end of the large bracket cylinder, the upper end of the rotating shaft is connected with the motor, the primary impeller is mounted at a lower end of the rotating shaft, the secondary impeller is capable of moving between two function positions along an axial direction of the rotating shaft, the two function positions comprise a first function position and a second function position, wherein in the first function position, the secondary impeller is disconnected from the rotating shaft, the secondary impeller is not operated, in the second function position, the secondary impeller is in transmission connection with the rotating shaft, the secondary impeller is operated, the secondary impeller is maintained in the first function position or in the second function position by a transmission device, the transmission device comprises a transmission sleeve, The two-stage impeller is arranged on the transmission sleeve, the movable bearing body module is arranged on the transmission sleeve and is positioned above the two-stage impeller, and the driving device can drive the movable bearing body module to drive the transmission sleeve to move up and down so as to drive the two-stage impeller to move up and down.
Further, the lower part of the rotating shaft is in butt joint with the transmission sleeve through a spline structure.
Further, movable bearing body module includes movable bearing body, skeleton oil blanket, groove bearing, two thrust ball bearings, movable bearing assembly one, movable bearing assembly two and movable bearing assembly three, the outer lane of skeleton oil blanket and groove bearing is installed on movable bearing body, the inner circle suit of skeleton oil blanket and groove bearing is on the transmission cover, two thrust ball bearings install between movable bearing assembly one and movable bearing assembly two, movable bearing assembly three fixes movable bearing assembly one, movable bearing assembly two on movable bearing body through the bolt, movable bearing assembly two's inner circle can the suit on the transmission cover.
Furthermore, the driving device comprises a driving groove and a poking rod which are arranged on the movable bearing assembly I, the front end of the poking rod is located in the driving groove, a hinged point is arranged on the poking rod, the poking rod is installed on the large bracket barrel through the hinged point, the handheld end of the poking rod can drive the front end of the poking rod to drive the secondary impeller to move upwards, and the handheld end of the poking rod can drive the front end of the poking rod to drive the secondary impeller to move downwards.
Further, the lower part of the movable bearing body is contacted with the static ring of the transmission sleeve through a movable ring of the mechanical seal.
Furthermore, the periphery of the rotating shaft is provided with a mounting groove at the position of the movable bearing body, a rubber ring is arranged in the mounting groove, a clearance groove is arranged on the transmission sleeve corresponding to the rubber ring, when the secondary impeller is at the first functional position, the rubber ring can be positioned in the clearance groove, and when the secondary impeller is at the second functional position, the rubber ring can be positioned outside the clearance groove to play a sealing role.
Furthermore, a leakage liquid outward channel is arranged in the movable bearing body.
The invention has the beneficial effects that:
the two-stage impeller can move between two functional positions along the axial direction of the rotating shaft, wherein when the two-stage impeller is at the first functional position, the two-stage impeller is disconnected from the rotating shaft and does not rotate, and when the two-stage impeller is at the second functional position, the two-stage impeller is in transmission connection with the rotating shaft and operates, the two-stage impeller is kept at the first functional position or the second functional position through a transmission device, the transmission device comprises a transmission sleeve, a movable bearing body module and a driving device, the two-stage impeller is arranged on the transmission sleeve, the movable bearing body module is arranged on the transmission sleeve and is positioned above the two-stage impeller, and the driving device can drive the movable bearing body module to drive the transmission sleeve to move up and down, so that the two-stage impeller is driven to move up; therefore, the secondary impeller can be started to work under the starting of the transmission device according to emergency needs, when the emergency impeller is in a non-emergency state, the secondary impeller does not work, the power consumption of the primary impeller and the power consumption of the secondary impeller are 74-90 KW when the primary impeller and the secondary impeller work simultaneously, and only the power consumption of the primary impeller is 37-55 KW when the primary impeller works. Saving about 10-20 KW/h, taking a 5-ten thousand-ton cargo ship as an example; the marine ballast tank pump is used for about hundreds of hours or even about thousands of hours once each port is entered; the ship can save energy by tens of thousands of degrees of electricity once entering the port, thereby greatly saving energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a prior art marine universal pump of the present invention;
FIG. 2 is a cross-sectional view of the secondary impeller disconnected from the shaft in a first functional position in accordance with the present invention;
FIG. 3 is a cross-sectional view of the secondary impeller in driving connection with the shaft in a second functional position in accordance with the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a broken view of the movable bearing block assembly of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 2 at A;
fig. 7 is a partial enlarged view of fig. 2 at B.
The attached drawings indicate the following:
1. a motor; 2. a rotating shaft; 3. a first-stage impeller; 4. a secondary impeller; 5. a large bracket barrel; 6. a pump end coupling; 7. a motor end coupling; 8. an impeller nut; 9. a first functional position; 10. a second functional position; 11. a stationary ring; 12. a moving ring; 13. a spline structure; 14. a movable bearing body module; 15. a movable bearing body; 16. framework oil seal; 17. a groove bearing; 18. two thrust ball bearings; 19. a first movable bearing assembly; 20. a second movable bearing assembly; 21. a movable bearing assembly III; 22. a drive device; 23. a driving groove; 24. a poke rod; 243. a hinge point; 25. mechanical sealing; 26. mounting grooves; 27. a rubber ring; 28. An empty avoiding groove; 29. a suction inlet; 30. a primary impeller water discharge port; 31. a secondary impeller water discharge port; 32. A transmission sleeve;
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 shows a general pump for a ship in the prior art, which includes a motor 1, a rotating shaft 2, a first-stage impeller 3 and a second-stage impeller 4, wherein when the motor 1 rotates, the first-stage impeller 3 and the second-stage impeller 4 are simultaneously driven to rotate, thereby wasting energy.
As shown in fig. 2 to 4, the universal pump for ships, which can control the operation or non-operation of the secondary impeller 4 in the present embodiment, includes a motor 1, a rotating shaft 2, a primary impeller 3, a secondary impeller 4, and a large bracket cylinder 5; the motor 1 is arranged at the upper end of the large bracket barrel 5, the upper end of the rotating shaft 2 is connected with the motor 1 through the pump end coupling 6 and the motor end coupling 7, when in connection, the rotating shaft 2 is provided with a common A-shaped flat key and is arranged on the pump end coupling 6, the pump end coupling 6 is connected with the motor end coupling 7 through a coupling pin column component, the primary impeller 3 is arranged at the lower end part of the rotating shaft 2 through the common A-shaped flat key, the lower end of the primary impeller 3 is fixed through an impeller nut 8, the secondary impeller 4 can move between two function positions along the axial direction of the rotating shaft 2, wherein, on the first function position 9, the secondary impeller 4 is disconnected with the rotating shaft 2, the secondary impeller 4 does not rotate, on the second function position 10, the secondary impeller 4 is in transmission connection with the rotating shaft 2, the secondary impeller 4 operates, the secondary impeller 4 is kept on the first function position 9 or the second function position 10 through a, the transmission device comprises a transmission sleeve 32, a movable bearing body module 14 and a driving device 22, the secondary impeller 4 is arranged on the transmission sleeve, the movable bearing body module 14 is arranged on the transmission sleeve and is positioned above the secondary impeller 4, and the driving device 22 can drive the movable bearing body module 14 to drive the transmission sleeve to move up and down so as to drive the secondary impeller 4 to move up and down.
The lower part of the driving sleeve 32 in this embodiment is sealed with the rotating shaft 2 by the stationary ring 11 and the movable ring 12.
The distance that the second-stage impeller 4 can move up and down is 0-30 mm.
In this embodiment, the lower portion of the rotating shaft 2 is butted with the transmission sleeve through a spline structure 13. Thereby enabling the driving sleeve 32 to be smoothly separated from and connected to the rotation shaft 2.
In this embodiment, as shown in fig. 5, the movable bearing block module 14 includes a movable bearing block 15, a framework oil seal 16, a groove bearing 17, two thrust ball bearings 18, a first movable bearing assembly 19, a second movable bearing assembly 20, and a third movable bearing assembly 21, outer rings of the framework oil seal 16 and the groove bearing 17 are mounted on the movable bearing block 15, inner rings of the framework oil seal 16 and the groove bearing 17 are sleeved on the transmission sleeve, the two thrust ball bearings 18 are mounted between the first movable bearing assembly 19 and the second movable bearing assembly 20, the first movable bearing assembly 19 and the second movable bearing assembly 20 are fixed on the movable bearing block by the third movable bearing assembly 21 through bolts, and an inner ring of the second movable bearing assembly 20 can be sleeved on the transmission sleeve. The movable bearing block module 14 can drive the secondary impeller 4 to move and play a good role in sealing.
In this embodiment, as shown in fig. 6, the driving device 22 includes a driving recess 23 and a poke rod 24 disposed on the first movable bearing assembly, the front end of the poke rod 24 is located in the driving recess 23, the poke rod 24 is provided with a hinge point 243, the poke rod 24 is mounted on the large bracket barrel through the hinge point 243, the handheld end of the poke rod 24 can drive the front end of the poke rod 24 to drive the secondary impeller to move upwards, and the handheld end of the poke rod 24 can drive the front end of the poke rod 24 to drive the secondary impeller to move downwards.
In this embodiment, the lower portion of the movable bearing body 15 is in contact with the stationary ring of the drive sleeve through the rotating ring of the mechanical seal 25, thereby preventing leakage.
In this embodiment, as shown in fig. 7, a mounting groove 26 is provided at the position of the movable bearing body 15 on the periphery of the rotating shaft 2, a rubber ring 27 is provided in the mounting groove 26, a clearance groove 28 is provided on the transmission sleeve corresponding to the rubber ring 27, when the secondary impeller 4 is at the first functional position 9, the rubber ring 27 can be located in the clearance groove 28, when the secondary impeller 4 is at the second functional position 10, the rubber ring 27 can be located outside the clearance groove 28 to perform a sealing function, and the rubber ring 27 can be hidden in the clearance groove 28, so that the rubber ring 27 is not worn.
In this embodiment, the marine universal pump further includes a suction port 29, a primary impeller water discharge port 30, and a secondary impeller water discharge port 31.
In this embodiment, still include the bearing body module, this bearing body module sets up on movable bearing module for fixed to pivot 2, bearing body module includes bearing gland, upper bearing, bearing body, lower bearing and toper support, and the upper bearing suit is installed in the bearing body after on pivot 2, and the same suit of lower bearing is installed in the bearing body after on pivot 2, and the lower part at the bearing body is installed to the toper support.
In this embodiment, the movable bearing body is internally provided with the leakage liquid outward passage channel 33, the leakage liquid outward passage channel 33 is in a long-distance state, when the mechanical seal 25 arranged at the lower part of the movable bearing body 15 is damaged, the medium liquid passing through the secondary impeller 4 can enter the movable bearing body 15 from the damaged mechanical seal 25, and due to the leakage liquid outward passage channel 33, the medium liquid can flow out of the pump body from the leakage liquid outward passage channel, and when people see the leaked medium liquid, the ship general pump can be inspected and maintained, so that the warning effect of medium liquid leakage is achieved.
The working principle of the invention is as follows:
when the emergence emergency situation, stop motor 1 work earlier, then the handheld end of dialling the pole 24 can drive the front end of dialling the pole 24 upwards, thereby drive whole movable bearing body module 14 downstream, can drive second grade impeller 4 and transmission sleeve 32 downstream simultaneously when movable bearing body module 14 downstream, finally make the transmission sleeve realize the transmission butt joint with pivot 2, open motor 1 again, motor 1 drives the rotation of pivot 2, thereby pivot 2 drives the transmission sleeve and the rotation of second grade impeller 4, thereby realize the rotation of one-level impeller 3 and second grade impeller 4.
After the emergency happens, the motor 1 is stopped to work, then the handheld end of the downward poke rod 24 can drive the front end of the poke rod 24 to drive the whole movable bearing body module 14 to move upwards, the movable bearing body module 14 can drive the second-stage impeller 4 and the transmission sleeve to move upwards simultaneously when moving upwards, finally the transmission sleeve is separated from the rotating shaft 2, the motor 1 is started again, the motor 1 drives the rotating shaft 2 to rotate, and the rotating shaft 2 drives the first-stage impeller 3 to rotate.
The two-stage impeller 4 can move between two functional positions along the axial direction of the rotating shaft 2, wherein when the two-stage impeller 4 is at the first functional position 9, the two-stage impeller 4 is disconnected from the rotating shaft 2, the two-stage impeller 4 does not rotate, when the two-stage impeller 4 is at the second functional position 10, the two-stage impeller 4 is in transmission connection with the rotating shaft 2, the two-stage impeller 4 rotates, the two-stage impeller 4 is kept at the first functional position 9 or the second functional position 10 through a transmission device, the transmission device comprises a transmission sleeve, a movable bearing body module 14 and a driving device 22, the two-stage impeller 4 is arranged on the transmission sleeve, the movable bearing body module 14 is arranged on the transmission sleeve and is positioned above the two-stage impeller 4, and the driving device 22 can drive the movable bearing body module 14 to drive the transmission sleeve to move up and down, so; therefore, the secondary impeller 4 can be started to work under the starting of the transmission device according to emergency needs, when the emergency state is not reached, the secondary impeller 4 does not work, the power consumption of the primary impeller 3 and the power consumption of the secondary impeller 4 are 74-90 KW when the primary impeller 3 and the secondary impeller 4 work simultaneously, and only the power consumption of the primary impeller 3 is 37-45 KW when the primary impeller 3 works. Saving about 10-20 KW/h, taking a 5-ten thousand-ton cargo ship as an example; the marine ballast tank pump is used for about hundreds of hours or even about thousands of hours once each port is entered; the ship can save energy by about ten thousand degrees of electricity once entering the port, thereby greatly saving energy
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A universal pump for ships capable of controlling operation or non-operation of a secondary impeller, comprising a motor, a rotating shaft, a primary impeller, a secondary impeller and a large bracket cylinder, wherein the motor is installed at the upper end of the large bracket cylinder, the upper end of the rotating shaft is connected with the motor, the primary impeller is installed at the lower end of the rotating shaft, characterized in that: the secondary impeller is movable between two functional positions in the axial direction of the shaft, the two functional positions including a first functional position and a second functional position, wherein in the first functional position the secondary impeller is disconnected from the shaft and the secondary impeller is not operated, in the second functional position, the secondary impeller is in transmission connection with the rotating shaft and operates, the secondary impeller is held in the first or second functional position by a transmission, the transmission device comprises a transmission sleeve, a movable bearing body module and a driving device, the secondary impeller is arranged on the transmission sleeve, the movable bearing body module is arranged on the transmission sleeve, and the driving device is positioned above the secondary impeller and can drive the movable bearing body module to drive the transmission sleeve to move up and down, so that the secondary impeller is driven to move up and down.
2. The universal marine pump for controlling operation or non-operation of a secondary impeller as claimed in claim 1, wherein: the lower part of the rotating shaft is in butt joint with the transmission sleeve through a spline structure.
3. The universal marine pump for controlling operation or non-operation of a secondary impeller as claimed in claim 1, wherein: the movable bearing body module comprises a movable bearing body, a framework oil seal, a groove bearing, two thrust ball bearings, a movable bearing assembly I, a movable bearing assembly II and a movable bearing assembly III, wherein an outer ring of the framework oil seal and an outer ring of the groove bearing are installed on the movable bearing body, an inner ring of the framework oil seal and an inner ring of the groove bearing are sleeved on a transmission sleeve, the thrust ball bearings are installed between the movable bearing assembly I and the movable bearing assembly II, the movable bearing assembly III fixes the movable bearing assembly I and the movable bearing assembly II on the movable bearing body through bolts, and an inner ring of the movable bearing assembly II can be sleeved on the transmission sleeve.
4. A universal pump for ships that can control the operation or non-operation of the secondary impeller as set forth in claim 3, wherein: the driving device comprises a driving groove and a poking rod which are arranged on a movable bearing assembly I, the front end of the poking rod is positioned in the driving groove, a hinged point is arranged on the poking rod, the poking rod is installed on the large bracket barrel through the hinged point, the front end of the poking rod can be driven by the handheld end of the poking rod to drive the secondary impeller to move upwards, and the handheld end of the poking rod can drive the front end of the poking rod to drive the secondary impeller to move downwards.
5. A universal pump for ships that can control the operation or non-operation of the secondary impeller as set forth in claim 3, wherein: the lower part of the movable bearing body is contacted with the static ring of the transmission sleeve through the dynamic ring of the mechanical seal.
6. A universal pump for ships that can control the operation or non-operation of the secondary impeller as set forth in claim 3, wherein: the periphery of the rotating shaft is provided with a mounting groove at the position of the movable bearing body, a rubber ring is arranged in the mounting groove, a clearance groove is formed in the transmission sleeve corresponding to the rubber ring, when the secondary impeller is located at the first functional position, the rubber ring can be located in the clearance groove, and when the secondary impeller is located at the second functional position, the rubber ring can be located outside the clearance groove to play a sealing role.
7. A universal pump for ships that can control the operation or non-operation of the secondary impeller as set forth in claim 3, wherein: a leakage liquid outward channel is arranged in the movable bearing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417113.1A CN112963358A (en) | 2021-04-19 | 2021-04-19 | Ship universal pump capable of controlling secondary impeller to run or not to run |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417113.1A CN112963358A (en) | 2021-04-19 | 2021-04-19 | Ship universal pump capable of controlling secondary impeller to run or not to run |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112963358A true CN112963358A (en) | 2021-06-15 |
Family
ID=76280735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110417113.1A Pending CN112963358A (en) | 2021-04-19 | 2021-04-19 | Ship universal pump capable of controlling secondary impeller to run or not to run |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112963358A (en) |
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| CN203926031U (en) * | 2014-06-30 | 2014-11-05 | 广东顺达船舶工程有限公司 | Impeller serial formula energy-saving centrifugal pump |
| CN205154735U (en) * | 2015-12-02 | 2016-04-13 | 青岛拓昆工程机件有限公司 | Water pump with novel leaf wheel clearance adjusting device |
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| CN108302044A (en) * | 2018-04-03 | 2018-07-20 | 江苏江大流体技术有限公司 | A kind of energy-efficient marine pump |
| CN109958627A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of water pump and dual-purpose stove |
| CN214499430U (en) * | 2021-04-19 | 2021-10-26 | 大连吉尔天健泵业有限公司 | Ship universal pump capable of controlling secondary impeller to run or not to run |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203926031U (en) * | 2014-06-30 | 2014-11-05 | 广东顺达船舶工程有限公司 | Impeller serial formula energy-saving centrifugal pump |
| CN205154735U (en) * | 2015-12-02 | 2016-04-13 | 青岛拓昆工程机件有限公司 | Water pump with novel leaf wheel clearance adjusting device |
| CN107781166A (en) * | 2016-08-31 | 2018-03-09 | 罗强 | The multistage electric pump of one kind diving |
| CN109958627A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of water pump and dual-purpose stove |
| CN108302044A (en) * | 2018-04-03 | 2018-07-20 | 江苏江大流体技术有限公司 | A kind of energy-efficient marine pump |
| CN214499430U (en) * | 2021-04-19 | 2021-10-26 | 大连吉尔天健泵业有限公司 | Ship universal pump capable of controlling secondary impeller to run or not to run |
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Effective date of registration: 20221020 Address after: 116011 24-1-201, Minkai Lane, Xigang District, Dalian, Liaoning Applicant after: Xu Yaochen Address before: 267 Quanyong street, Shahekou District, Dalian, Liaoning 116000 Applicant before: Dalian Jili Tianjian Pump Co.,Ltd. |
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