CN115071936A - Independently driven three-stage underwater propeller - Google Patents
Independently driven three-stage underwater propeller Download PDFInfo
- Publication number
- CN115071936A CN115071936A CN202110274141.2A CN202110274141A CN115071936A CN 115071936 A CN115071936 A CN 115071936A CN 202110274141 A CN202110274141 A CN 202110274141A CN 115071936 A CN115071936 A CN 115071936A
- Authority
- CN
- China
- Prior art keywords
- stator
- subassembly
- oil
- stage
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 79
- 238000004804 winding Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010735 electrical insulating oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
- B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
- B63H2005/106—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type with drive shafts of second or further propellers co-axially passing through hub of first propeller, e.g. counter-rotating tandem propellers with co-axial drive shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an underwater propeller, in particular to an independently driven three-level underwater propeller. Including the water conservancy diversion cap, leading stator, the one-level impels the subassembly, the second grade impels the subassembly, tertiary subassembly and the tail water conservancy diversion awl of impelling, wherein the one-level impels the subassembly, second grade impels subassembly and tertiary subassembly coaxial setting in proper order, and impel to connect through first connecting ring between subassembly and the second grade impel the subassembly, impel to connect through first connecting ring between subassembly and the tertiary subassembly to the second grade, the front end that the subassembly was impeld to the one-level is fixed to leading stator, the water conservancy diversion cap is installed on leading stator, the rear end at tertiary subassembly that impels is fixed to the tail water conservancy diversion awl. The invention has compact structure and convenient arrangement in the using process; the oil filling sealing mode and the heat dissipation structure design of the motor stator part can ensure that the motor stator part can work in an underwater environment stably and at high power for a long time.
Description
Technical Field
The invention relates to an underwater propeller, in particular to an independently driven three-stage underwater propeller.
Background
The underwater propeller is an important part with navigation capability, such as a submersible vehicle, an underwater robot and the like, and can meet the thrust requirements of different operation tools, such as the underwater robot and the like, at different navigation speeds.
However, as the underwater robot is applied more and more widely, the requirements on the propulsion efficiency, compactness and low noise characteristics of the propeller become more and more obvious. The underwater operation environment requires that the propeller has waterproof and pressure-resistant capabilities, and when the propeller is applied to an underwater robot, the structure of the propeller is required to be compact as much as possible, so that the arrangement of other equipment on the robot is facilitated. Because the energy carried on the underwater robot is limited, the efficiency of the propeller is required to be as high as possible, the requirements of the underwater robot on long-time navigation and operation are met, and meanwhile, the acoustic equipment carried on the underwater robot also has certain constraint on the self-noise generated by the propeller. Traditional propeller adopts the motor to pass through transmission shaft drive single-stage screw, and then produces thrust, and this kind of mode transmission efficiency is low, and occupation space is big, and in order to satisfy the thrust requirement, the rotational speed of screw is higher or the diameter is great, can produce stronger noise, influences underwater robot's acoustic equipment work, in order to satisfy underwater operation environment, must do the dynamic seal to motor output shaft and handle, and sealed position needs periodic maintenance.
Therefore, it is desirable to design a propeller that can operate in an underwater environment for a long period of time and that has a compact structure, high efficiency and low noise.
Disclosure of Invention
The invention aims to solve the problems and provides an independently driven three-stage underwater propeller which can work underwater for a long time and is independently driven by three rim motors.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an independent drive's tertiary underwater propulsor, including the water conservancy diversion cap, leading stator, the one-level impels the subassembly, the second grade impels the subassembly, tertiary impel subassembly and tail water conservancy diversion awl, wherein the one-level impels the subassembly, second grade impels subassembly and tertiary coaxial setting in proper order, and the one-level impels to connect through first connecting ring between subassembly and the second grade impels the subassembly, connect through first connecting ring between second grade impels subassembly and the tertiary subassembly of impelling, the front end at one-level impels the subassembly is fixed to leading stator, the water conservancy diversion cap is installed on leading stator, the rear end at tertiary subassembly of impelling is fixed to tail water conservancy diversion awl.
The first-stage propulsion assembly, the second-stage propulsion assembly and the third-stage propulsion assembly are the same in structure and respectively comprise a rim motor, a propeller, a guide vane and a shaft, wherein the propeller is connected to the front end of the shaft and can rotate along with the shaft; the rim motor is arranged on the outer side of the rim of the propeller and used for driving the propeller to rotate;
the stator rotationally sets up in epaxial, and the rim outside of stator is equipped with outside oil feed passageway and outside oil return passageway with rim motor intercommunication.
The rim motor comprises a stator casing, a stator front end cover, a watertight socket, a stator iron core, an inner isolation sleeve, a stator rear end cover, an oil plug, a rotor iron core and a stator sealing sleeve, wherein the rotor iron core is arranged on the outer side of a rim of the propeller; the stator core is arranged on the inner wall of the stator shell and corresponds to the rotor core, a plurality of oil through holes are distributed in the circumferential direction on the stator core, and each oil through hole is arranged in the axial direction; the stator front end cover and the stator rear end cover are respectively arranged at two ends of the stator casing, the stator sealing sleeve is arranged between the stator front end cover and the stator rear end cover, and the watertight socket is fixed at the front end of the stator casing.
An internal oil inlet cavity and an internal oil return cavity are arranged between the stator core and the stator rear end cover, one end of the internal oil inlet cavity is communicated with the external oil inlet channel, and the other end of the internal oil inlet cavity is communicated with the plurality of oil through holes in the stator core; the internal oil return cavity is communicated with the external oil return channel.
The stator core and the stator rear end cover are separated by an inner isolation sleeve to form the internal oil inlet cavity and the internal oil return cavity, and the internal oil inlet cavity is located on the outer side of the internal oil return cavity along the radial direction.
An outer isolation sleeve and an oil bag positioned on the outer side of the outer isolation sleeve are connected between the stator rear end cover and the wheel rim of the primary guide vane, and the oil bag is fixed through a primary oil bag compression ring arranged on the outer side; the space between the outer isolation sleeve and the oil bag forms the outer oil inlet channel; the inner space of the outer isolation sleeve forms the outer oil return channel.
And a plurality of oil plugs are arranged on the front end cover of the stator along the circumferential direction.
A heat dissipation impeller is arranged between the guide vane and the shaft, and the heat dissipation impeller is connected with the shaft and rotates together with the shaft; and the blades of the heat dissipation impeller correspond to the rear half through holes on the guide vanes.
The two ends of the guide vane are connected with a hub front end cover and a hub rear end cover; the front end cover of the wheel hub is embedded with an oil seal, and the rear end cover of the wheel hub is provided with a rear oil plug.
The first-stage propulsion assembly, the second-stage propulsion assembly and the third-stage propulsion assembly can independently operate according to a single-stage propeller, or two-stage or three-stage numbers are connected in series to form propellers with different stages.
The invention has the following advantages and beneficial effects:
1. the invention adopts the three-stage series connection propulsion assembly, and compared with a single-stage propeller, the speed is lower under the same thrust requirement, and the noise of the propeller in underwater operation can be greatly reduced.
2. According to the motor shell, the sealing structure is adopted, the outgoing line of the stator winding is led out through the water surface socket, the oil in the shell can resist external water pressure, the oil can circulate in the stator and the guide vane blade under the driving of the heat dissipation impeller, the insulation and cooling of the stator winding are guaranteed, and the application requirement of an underwater environment is met.
3. The rotor iron core of each stage of the propelling component is directly sleeved on each stage of the propeller, so that the transmission efficiency is high, and the structure is compact.
4. The invention adopts the high-precision angular contact ball bearing, has low noise and low bearing loss, and meets the requirement of long-term efficient and stable operation underwater.
Drawings
FIG. 1 is an isometric view of an independently driven three stage underwater propulsor of the present invention;
FIG. 2 is a cross-sectional view of an independently driven three stage underwater propulsor of the present invention;
FIG. 3 is a partial cross-sectional view of a portion of the primary propulsion assembly of the present invention;
FIG. 4 is a partial cross-sectional view of a stator housing section of the one-stage propulsion assembly of the present invention;
FIG. 5 is a partial cross-sectional view of a shaft portion of the primary propulsion assembly of the present invention;
FIG. 6 is an axial side view of a heat dissipating impeller of the primary propulsion assembly of the present invention;
fig. 7 is a schematic view of the oil circulation in the operation of the present invention.
Wherein: the structure comprises a guide cap 1, a front guide vane 2, a stator casing 3, a first connecting ring 4, a second stator casing 5, a second connecting ring 6, a third stator casing 7, a third oil pocket pressure ring 8, a first propeller 9, a first guide vane 10, a second propeller 11, a second guide vane 12, a third propeller 13, a third guide vane 14, a tail guide cone 15, a shaft 16, a stator front end cover 17, a watertight socket 18, a stator core 19, an inner spacer bush 20, a stator rear end cover 21, an oil plug 22, a rotor core 23, a stator gland 24, an outer spacer bush 25, an oil pocket 26, a first oil pocket pressure ring 27, a compression cover 28, a hub front end cover 29, an oil seal 30, a bearing 31, a heat dissipation impeller 32, a hub rear end cover 33 and an oil plug 34.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the independently driven three-stage underwater propeller provided by the present invention comprises a diversion cap 1, a front guide vane 2, a first-stage propulsion assembly, a second-stage propulsion assembly, a third-stage propulsion assembly and a tail diversion cone 15, wherein the first-stage propulsion assembly, the second-stage propulsion assembly and the third-stage propulsion assembly are coaxially arranged in sequence, the first-stage propulsion assembly and the second-stage propulsion assembly are connected through a first connecting ring 4, the second-stage propulsion assembly and the third-stage propulsion assembly are connected through a first connecting ring 6, the front guide vane 2 is fixed at the front end of the first-stage propulsion assembly, the diversion cap 1 is mounted on the front guide vane 2, and the tail diversion cone 15 is fixed at the rear end of the third-stage propulsion assembly.
As shown in fig. 4-5, the first stage propulsion assembly, the second stage propulsion assembly and the third stage propulsion assembly have the same structure, and each of the first stage propulsion assembly, the second stage propulsion assembly and the third stage propulsion assembly includes a rim motor, a propeller, a guide vane and a shaft 16, wherein the propeller is connected to the front end of the shaft 16 through a pressing cover 28 and can rotate along with the shaft 16; the rim motor is arranged on the outer side of the rim of the propeller and used for driving the propeller to rotate; the guide vanes are rotatably arranged on the shaft 16 through a bearing 31, and an external oil inlet channel and an external oil return channel which are communicated with a rim motor are arranged on the outer sides of the rims of the guide vanes.
As shown in fig. 5-6, in an embodiment of the present invention, a heat sink impeller 32 is disposed between the vanes and the shaft 16, the heat sink impeller 32 being connected to the shaft 16 and rotating with the shaft 16. Further, the heat dissipation impeller 32 is provided with a plurality of blades, and the blades of the heat dissipation impeller 32 correspond to the rear half through holes on the guide vanes. Both ends of the guide vane are connected with a hub front end cover 29 and a hub rear end cover 33; the front end cover 29 of the wheel hub is embedded with an oil seal 30, and the rear end cover 33 of the wheel hub is provided with a rear oil plug 34.
As shown in fig. 4, in the embodiment of the present invention, the rim motor includes a stator casing 3, a stator front end cover 17, a watertight socket 18, a stator core 19, an inner spacer 20, a stator rear end cover 21, an oil plug 22, a rotor core 23, and a stator gland 24, where the rotor core 23 is disposed outside a rim of a propeller; the stator core 19 is disposed on the inner wall of the stator housing 3 in an interference fit manner, and corresponds to the rotor core 23, and the stator core 19 has a plurality of oil holes along a circumferential direction, and each oil hole is disposed along an axial direction. The stator front end cover 17 and the stator rear end cover 21 are respectively arranged at two ends of the stator casing, the stator sealing sleeve 24 is arranged between the stator front end cover 17 and the stator rear end cover 21, the front end of the stator casing 3 is provided with a plurality of watertight sockets 18, and outgoing lines of a motor stator winding are led out outwards through the watertight sockets 18. An internal oil inlet cavity and an internal oil return cavity are arranged between the stator core 19 and the stator rear end cover 21, one end of the internal oil inlet cavity is communicated with the external oil inlet channel, the other end of the internal oil inlet cavity is communicated with a plurality of oil through holes in the stator core 19, and the internal oil return cavity is communicated with the external oil return channel.
Specifically, an internal oil inlet cavity and an internal oil return cavity are formed between the stator core 19 and the stator rear end cover 21 through the separation of the inner isolation sleeve 20, and the internal oil inlet cavity is located outside the internal oil return cavity along the radial direction. An outer isolation sleeve 25 and an oil bag 26 positioned outside the outer isolation sleeve 25 are connected between the rear end cover 21 of the stator and the wheel rim of the first-stage guide vane 10, and the oil bag 26 is fixed through a first-stage oil bag compression ring 27 arranged outside; the space between the outer spacer sleeve 25 and the oil pocket 26 forms an outer oil inlet passage; the inner space of the outer distance sleeve 25 forms an outer oil return channel. The stator front end cover 17 is provided with a plurality of oil plugs 22 along the circumferential direction.
Further, the oil pocket pressure rings on the first-stage oil pocket pressure ring 27 and the second-stage propulsion assembly and the third-stage oil pocket pressure ring 8 are all hollow structures, a plurality of through holes are formed in the blades of the first-stage guide vane 10, the second-stage guide vane 12 and the third-stage guide vane 14, and two groups of through holes are formed in the stator rear end cover 21 at different radius positions along the circumferential direction.
Specifically, the connecting positions of the stator casing 3, the stator front end cover 17, the stator sealing sleeve 24, the stator rear end cover 21 and the oil plug 22 are all sealed by sealing rings to ensure watertight performance, two groups of through holes are formed in the stator rear end cover 21 at different radius positions along the circumferential direction, and the inner isolation sleeve 20 is installed on the stator rear end cover 21 to isolate the two groups of through holes in the stator rear end cover 21. The oil bag compression ring 27 is fixed on the first-stage guide vane 10, the oil bag 26 is tightly pressed on the stator rear end cover 21 to ensure water tightness, and the outer isolation sleeve 25 isolates two groups of through holes on the stator rear end cover 21 and the first-stage guide vane 10.
Specifically, be equipped with one-level screw 9 and one-level stator 10 in the one-level propulsion subassembly, be equipped with second grade screw 11 and second grade stator 12 in the second grade propulsion subassembly, be equipped with tertiary screw 13 and tertiary stator 14 in the tertiary propulsion subassembly, tail water conservancy diversion awl 15 is installed in the rear end of tertiary stator 14, screw and stator at all levels are independent design, the appearance diverse, one-level screw 9 is supported by the one-level axle, the screw of other levels is supported by respective axle, there are a plurality of through-holes in the blade inside of stator at all levels, and two sets of around dividing into.
As shown in fig. 5, three sets of bearings 31 are installed in the hub of the first-stage guide vane 10, the bearings 31 are installed face to face in high-precision angle contact ball bearings, the shaft 16 in the middle passes through the bearing 21, the end part of the shaft 16 is matched with the first-stage propeller 9 through a conical surface and is fixedly pressed through the pressing cover 28, the front end and the rear end of the hub of the first-stage guide vane 10 are provided with a front end cover 29 and a rear end cover 33, the front end cover 29 is provided with an oil seal 30, and the rear end cover 33 is provided with a rear oil plug 34. The hub front end cover 29, the hub rear end cover 33 and the hub connection position of the first-stage guide vane 10 are watertight through seal rings, and the oil seal 30 and the shaft 16 are in dynamic seal.
Further, the structures of the secondary propulsion assembly and the tertiary propulsion assembly are completely the same as those of the primary propulsion assembly. After the propeller is assembled, the stator is filled with low-viscosity electrical insulating oil, the oil is filled in the through holes in the guide vane blades and the positions of the hub bearing chambers, and no gas is in the stator.
As shown in fig. 7, taking a first-stage propulsion assembly as an example, when the propeller runs at full power, the rotor core 23 drives the first-stage propeller 9 to rotate at high speed, the first-stage propeller 9 drives the heat dissipation impeller 32 to rotate through the shaft 16, the heat dissipation impeller 32 drives the internal oil to enter the external oil inlet channel between the oil bag 26 and the external isolation sleeve 25 through the through hole of the rear half part of the blade of the first-stage guide vane 10, the internal oil enters the stator casing 3 through the through hole of the rear end cover 21 of the stator, and enters the space near the watertight socket 18 through the through hole of the stator core 19, the stator core 19 is provided with a tooth slot and a winding gap, the oil returns to the position of the heat dissipation impeller through the tooth slot and the winding gap, the through hole inside the rear end cover 21 of the stator, and the through hole of the front half part of the blade of the first-stage guide vane 10, and the heat generated by the stator winding of the motor is dissipated to the external environment through the blade of the first-stage guide vane 10.
The invention provides an underwater propeller which can work in an underwater environment and has the characteristics of compact structure, high efficiency, low noise and the like. The propeller adopts three-stage series propulsion assemblies, each stage of propulsion assembly is driven by a rim motor, and a rim motor rotor directly drives each stage of propeller, so that the structure is compact, the transmission efficiency is high, the rotating speed of the propellers in the three-stage series propulsion assemblies is low under the same thrust requirement, each stage of propeller can be independently designed and optimized according to the operation working condition, the propulsion efficiency can be further improved, and the noise can be reduced; the stator part of the motor adopts a sealing and oil-charging mode, can protect a stator winding and resist external pressure in deep water, the guide vane blade is provided with a through hole, and the shaft drives the heat dissipation impeller to circulate oil liquid, so that the heat dissipation requirement of the propeller during high-power operation is met. The first stage propulsion assembly, the second stage propulsion assembly and the third stage propulsion assembly may operate independently as a single stage propeller or may have two or three stages connected in series to form propellers of different stages.
The invention adopts three rim motors to respectively drive each stage of propellers, the motor rotor is directly sleeved on the propellers, the transmission efficiency is high, the structure is compact, each stage of propellers is independently designed, the arrangement is convenient, the rotating speed is low under the same thrust, the noise is low, each stage of motor stator and the bearing part are processed by sealing and oil filling, the heat dissipation impeller on the shaft can circulate oil, and the propeller can work in an underwater environment with high power for a long time.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an independent driven tertiary underwater propulsor, a serial communication port, including water conservancy diversion cap (1), leading stator (2), the one-level impels the subassembly, the second grade impels the subassembly, tertiary impels subassembly and tail water conservancy diversion awl (15), wherein the one-level impels the subassembly, second grade impels subassembly and tertiary coaxial setting in proper order, and the one-level impels to connect through first go-between (4) between subassembly and the second grade impels the subassembly, connect through first connecting ring (6) between second grade impels subassembly and the tertiary subassembly, leading stator (2) are fixed at the front end that the subassembly was impeld to the one-level, water conservancy diversion cap (1) is installed on leading stator (2), tail water conservancy diversion awl (15) are fixed at the rear end that the tertiary impels the subassembly.
2. An independently driven three stage underwater vehicle as claimed in claim 1 wherein the primary, secondary and tertiary propulsion assemblies are of the same construction and each comprise a rim motor, a propeller, vanes and a shaft (16), wherein the propeller is connected to the forward end of the shaft (16) and is rotatable with the shaft (16); the rim motor is arranged on the outer side of the rim of the propeller and used for driving the propeller to rotate;
the guide vane is rotationally arranged on the shaft (16), and an external oil inlet channel and an external oil return channel which are communicated with the rim motor are arranged on the outer side of the rim of the guide vane.
3. The independently driven three-stage underwater propulsor according to claim 2, wherein the rim motor comprises a stator casing (3), a stator front end cover (17), a watertight socket (18), a stator core (19), an inner spacer sleeve (20), a stator rear end cover (21), an oil plug (22), a rotor core (23) and a stator gland (24), wherein the rotor core (23) is arranged outside the rim of the propeller; the stator core (19) is arranged on the inner wall of the stator shell (3) and corresponds to the rotor core (23), a plurality of oil through holes are distributed on the stator core (19) along the circumferential direction, and each oil through hole is arranged along the axial direction; the stator front end cover (17) and the stator rear end cover (21) are respectively arranged at two ends of the stator casing, the stator sealing sleeve (24) is arranged between the stator front end cover (17) and the stator rear end cover (21), and the watertight socket (18) is fixed at the front end of the stator casing (3).
4. The independently driven three-stage underwater propulsor according to claim 3, wherein an internal oil inlet chamber and an internal oil return chamber are provided between the stator core (19) and the stator rear end cover (21), one end of the internal oil inlet chamber is communicated with the external oil inlet passage, and the other end is communicated with the plurality of oil through holes on the stator core (19); the internal oil return cavity is communicated with the external oil return channel.
5. The independently driven three-stage underwater vehicle according to claim 4, wherein said stator core (19) and said stator rear end cover (21) are separated by an inner spacer sleeve (20) to form said internal oil intake chamber and said internal oil return chamber, and said internal oil intake chamber is located outside said internal oil return chamber in the radial direction.
6. The independently driven three-stage underwater propulsor according to claim 4, wherein an outer isolation sleeve (25) and an oil pocket (26) located outside the outer isolation sleeve (25) are connected between the stator rear end cover (21) and the rim of the first-stage guide vane (10), and the oil pocket (26) is fixed by a first-stage oil pocket compression ring (27) arranged outside; the space between the outer isolation sleeve (25) and the oil bag (26) forms the outer oil inlet channel; the inner space of the outer isolation sleeve (25) forms the outer oil return channel.
7. An independently driven three-stage underwater propeller as claimed in claim 3, characterized in that said stator front cover (17) is provided with a plurality of oil dams (22) along the circumferential direction.
8. An independently driven three-stage underwater propeller according to claim 2, characterised in that a heat dissipating impeller (32) is provided between the guide vanes and the shaft (16), the heat dissipating impeller (32) being connected to the shaft (16) and rotating with the shaft (16); and the blades of the heat dissipation impeller (32) correspond to the rear half through holes on the guide vanes.
9. The independently driven three-stage underwater propeller as claimed in claim 2, characterized in that a hub front end cap (29) and a hub rear end cap (33) are connected to both ends of the guide vanes; an oil seal (30) is embedded on the front end cover (29) of the hub, and a rear oil plug (34) is arranged on the rear end cover (33) of the hub.
10. An independently driven three stage underwater vehicle as claimed in any one of claims 1 to 9 wherein the primary, secondary and tertiary propulsion assemblies are independently operable as single stage propellers or are connected in series with two or three stages to form propellers of different stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274141.2A CN115071936B (en) | 2021-03-15 | 2021-03-15 | Independently-driven three-stage underwater propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274141.2A CN115071936B (en) | 2021-03-15 | 2021-03-15 | Independently-driven three-stage underwater propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115071936A true CN115071936A (en) | 2022-09-20 |
| CN115071936B CN115071936B (en) | 2024-02-06 |
Family
ID=83241112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110274141.2A Active CN115071936B (en) | 2021-03-15 | 2021-03-15 | Independently-driven three-stage underwater propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115071936B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495158A (en) * | 2023-04-28 | 2023-07-28 | 威海白云船舶制造有限公司 | Ducted shaftless water jet propeller |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05319378A (en) * | 1992-05-01 | 1993-12-03 | Westinghouse Electric Corp <We> | Underwater propulsion device |
| US5289068A (en) * | 1990-08-23 | 1994-02-22 | Westinghouse Electric Corp. | Two-stage submersible propulsor unit for water vehicles |
| JPH06263092A (en) * | 1993-03-11 | 1994-09-20 | Ishikawajima Harima Heavy Ind Co Ltd | Electric driving device for contra-rotating propeller |
| JPH10257752A (en) * | 1997-03-11 | 1998-09-25 | Railway Technical Res Inst | Superconducting propeller rotation driver and superconducting power generator |
| US20080089786A1 (en) * | 2006-10-17 | 2008-04-17 | Sinreich Mark G | Counter-Rotating Integrated Propeller Assembly |
| KR20130125675A (en) * | 2012-05-09 | 2013-11-19 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship having the same |
| CN105041719A (en) * | 2015-06-26 | 2015-11-11 | 武汉大学 | Guide vane type opening ring of double-suction centrifugal pump |
| CN105346696A (en) * | 2015-11-19 | 2016-02-24 | 浙江大学 | Integrated thruster for contra-rotating propellers |
| CN107226189A (en) * | 2017-05-24 | 2017-10-03 | 武汉理工大学 | A kind of electromagnetism peculiar to vessel is to turning to have hub wheel rim hydraulic propeller |
| CN207526694U (en) * | 2017-12-11 | 2018-06-22 | 江苏长江水泵有限公司 | Self-balanced multiple-stage centrifugal pump is opened in heat radiating type level |
| CN108347136A (en) * | 2018-05-03 | 2018-07-31 | 包头天工电机有限公司 | Oil cooling wheel hub permanent magnet synchronous motor |
| CN212172505U (en) * | 2020-04-27 | 2020-12-18 | 广州海工船舶设备有限公司 | Contrarotating electric propeller supported by gas resistance reduction |
-
2021
- 2021-03-15 CN CN202110274141.2A patent/CN115071936B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5289068A (en) * | 1990-08-23 | 1994-02-22 | Westinghouse Electric Corp. | Two-stage submersible propulsor unit for water vehicles |
| JPH05319378A (en) * | 1992-05-01 | 1993-12-03 | Westinghouse Electric Corp <We> | Underwater propulsion device |
| JPH06263092A (en) * | 1993-03-11 | 1994-09-20 | Ishikawajima Harima Heavy Ind Co Ltd | Electric driving device for contra-rotating propeller |
| JPH10257752A (en) * | 1997-03-11 | 1998-09-25 | Railway Technical Res Inst | Superconducting propeller rotation driver and superconducting power generator |
| US20080089786A1 (en) * | 2006-10-17 | 2008-04-17 | Sinreich Mark G | Counter-Rotating Integrated Propeller Assembly |
| KR20130125675A (en) * | 2012-05-09 | 2013-11-19 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship having the same |
| CN105041719A (en) * | 2015-06-26 | 2015-11-11 | 武汉大学 | Guide vane type opening ring of double-suction centrifugal pump |
| CN105346696A (en) * | 2015-11-19 | 2016-02-24 | 浙江大学 | Integrated thruster for contra-rotating propellers |
| CN107226189A (en) * | 2017-05-24 | 2017-10-03 | 武汉理工大学 | A kind of electromagnetism peculiar to vessel is to turning to have hub wheel rim hydraulic propeller |
| CN207526694U (en) * | 2017-12-11 | 2018-06-22 | 江苏长江水泵有限公司 | Self-balanced multiple-stage centrifugal pump is opened in heat radiating type level |
| CN108347136A (en) * | 2018-05-03 | 2018-07-31 | 包头天工电机有限公司 | Oil cooling wheel hub permanent magnet synchronous motor |
| CN212172505U (en) * | 2020-04-27 | 2020-12-18 | 广州海工船舶设备有限公司 | Contrarotating electric propeller supported by gas resistance reduction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495158A (en) * | 2023-04-28 | 2023-07-28 | 威海白云船舶制造有限公司 | Ducted shaftless water jet propeller |
| CN116495158B (en) * | 2023-04-28 | 2023-11-17 | 威海白云船舶制造有限公司 | Ducted shaftless water jet propeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115071936B (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203482005U (en) | Duct moment rotor integrated spiral electric water spray propeller | |
| CN114056529B (en) | Rim driving propeller with dummy shaft structure | |
| CN112406434B (en) | Electric water-air dual-purpose propeller | |
| CN115071936B (en) | Independently-driven three-stage underwater propeller | |
| CN110697011B (en) | Machine-oar-body integrated propulsion unit | |
| CN210660229U (en) | High-speed expander of inflation electricity generation integral type | |
| CN111846174B (en) | Low-loss underwater rim propulsion device | |
| CN212637877U (en) | Axial flux motor driven annular electric propeller supported by shafting | |
| CN114633862B (en) | Three-stage underwater propeller driven by single motor | |
| CN111641308A (en) | Annular electric propeller driven by axial magnetic motor | |
| CN201747626U (en) | Composite water pump | |
| CN114633861B (en) | Rim underwater propeller | |
| CN216241329U (en) | Multistage centrifugal pump | |
| CN108974302B (en) | Water jet propulsion device | |
| CN114526243B (en) | Hub-driven fluid machine | |
| CN112829911A (en) | Counter-rotating rim propeller and underwater traveling tool adopting same | |
| CN211701818U (en) | Magnetic coupling motor of integrated paddle | |
| CN209805569U (en) | Unidirectional rotation permanent magnet high-speed motor and bidirectional air bearing thereof | |
| CN111980947A (en) | Impeller and vortex type air pump | |
| CN220054114U (en) | Double-deck screw propeller | |
| CN214776482U (en) | Water-jet propeller | |
| CN212435560U (en) | Annular electric propeller driven by axial magnetic motor | |
| CN110340727A (en) | A kind of electro spindle cooling jacket | |
| CN215109549U (en) | Supercharging device used in air compressor system of fuel cell | |
| CN220010062U (en) | Propeller driven by shaftless radial flux motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |