CN210592390U - Permanent magnet motor contrarotating pod propeller - Google Patents
Permanent magnet motor contrarotating pod propeller Download PDFInfo
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- CN210592390U CN210592390U CN201920888373.5U CN201920888373U CN210592390U CN 210592390 U CN210592390 U CN 210592390U CN 201920888373 U CN201920888373 U CN 201920888373U CN 210592390 U CN210592390 U CN 210592390U
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Abstract
The utility model discloses a permanent-magnet machine contrarotating nacelle propeller, concretely relates to advancing device technical field, including the nacelle casing, nacelle casing bottom is equipped with impels the module, nacelle casing top is equipped with turns to the module, impel the module and include seal shell, seal shell one end is equipped with first screw, the seal shell other end is equipped with the second screw, the permanent-magnet machine of two symmetric distributions of the inside fixedly connected with of seal shell. The utility model discloses an arrange two permanent magnetism two-way motor on same axis, and revolve to on the contrary, screw wake vortex energy before the operation in-process rear side screw can the effective absorption turns into extra propulsive power, promotes energy-conserving effect greatly, and rotation mechanism can 360 arbitrary directions rotations, and the collection impels and steers the function and an organic whole, and operating performance is nimble reliable, convenient and fast, can regard as boats and ships owner, assist propulsion system and dynamic positioning system to use.
Description
Technical Field
The utility model relates to a advancing device technical field, more specifically say, the utility model relates to a permanent-magnet machine is to rotating nacelle propeller.
Background
At present, a propeller is an important part in ship power equipment, and a pod type propeller is widely applied to a diving operation supply ship, an oil drilling platform, a supply ship, a shuttle tanker, a roll-on ship, an ice breaker and part of military ships.
In practical application, the propeller is easy to break down due to insufficient driving force, inconvenient to use and realize steering inconveniently, and inconvenient to position and observe.
It is therefore desirable to develop a permanent magnet counter-rotating pod thruster that solves the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a permanent-magnet machine is to rotary nacelle propeller, through arranging two permanent-magnet two-way motor on same axis, and revolve to opposite, screw wake vortex energy before the back side screw can the effective absorption in the operation process, turn into extra propulsive power, promote energy-conserving effect greatly, rotation mechanism can 360 arbitrary directions rotatory, the collection impels and steers the function and an organic whole, the operating performance is nimble reliable, high convenience and quickness, can regard as boats and ships owner, assist propulsion system and dynamic positioning system to use, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet motor counter-rotating pod propeller comprises a pod shell, wherein a propulsion module is arranged at the bottom of the pod shell, a steering module is arranged at the top of the pod shell, the propulsion module comprises a sealed shell, two permanent magnet motors which are symmetrically distributed are fixedly connected inside the sealed shell, output shafts of the two permanent magnet motors are in transmission connection with corresponding propeller shafts, the two propeller shafts respectively drive corresponding first propellers and second propellers, and the first propellers and the second propellers are respectively arranged at two ends of the sealed shell; a thrust bearing assembly is arranged between the two permanent magnet motors, and the two propeller shafts are sleeved at two ends of the thrust bearing assembly;
the steering module comprises a steering mechanism and a slip ring, and the steering mechanism and the slip ring are arranged at the top of the pod shell.
In a preferred embodiment, a sealing assembly is arranged at the joint of the propeller shaft and the sealing shell, and the sealing assembly consists of a plurality of sealing rings which are uniformly sleeved outside the propeller shaft.
In a preferred embodiment, a radial bearing assembly is arranged on one side of the sealing assembly, the radial bearing assembly is composed of a plurality of bearings, the bearings are uniformly sleeved on the outer side of the propeller shaft, and the bearings are fixedly connected with the inner wall of the sealing shell.
In a preferred embodiment, the first propeller and the second propeller are each fixedly connected to two propeller shafts.
In a preferred embodiment, the thrust bearing assembly comprises a double-ended sleeve, the double-ended sleeve is matched with the two propeller shafts respectively, and a bearing is arranged at the joint of the double-ended sleeve and the propeller shafts.
In a preferred embodiment, the slip ring comprises a brush, an oil distributor and a shell, wherein the brush is used for providing a monitoring signal and electric energy required by the permanent magnet motor for the underwater module of the propeller; the oil distributor is used for providing lubricating oil and compressed air fluid.
In a preferred embodiment, the first propeller and the second propeller are coaxially distributed, the diameter of the first propeller is smaller than that of the second propeller, and the first propeller and the second propeller are oppositely arranged.
In a preferred embodiment, the sealing housing is provided in a shuttle shape, and the bottom of the slip ring is provided with a guiding through hole, and a power line and a conveying pipeline are arranged in the guiding through hole.
In a preferred embodiment, the steering mechanism comprises a variable frequency motor, a planetary gear box and a rotary supporting plate; the rotating support plate is fixedly connected to the top of the nacelle shell, a sliding ring and a variable frequency motor are fixed above the rotating support plate, the variable frequency motor is located on two sides of the sliding ring, and a planetary gear box is arranged between the variable frequency motor and the rotating support plate.
The utility model discloses a technological effect and advantage:
1. through arranging two permanent magnet motors on the same axis, the rotation directions are opposite, the rear propeller can effectively absorb wake vortex energy of the front propeller in the operation process and convert the wake vortex energy into extra propulsion power, the energy-saving effect is greatly improved, the slewing mechanism can rotate in any direction of 360 degrees, the functions of propulsion and steering are integrated, the operation performance is flexible, reliable, convenient and fast, and the front and rear propeller can be used as a main propulsion system and an auxiliary propulsion system of a ship and a dynamic positioning system.
2. Thrust produced when the propeller is propelled is born through the bearing assembly, the gravity produced by the propeller, unilateral magnetic pull produced in the running process of the permanent magnet motor and partial steering force produced in the steering process of the propeller are born through the radial bearing assembly, the sealing assembly prevents seawater from entering the underwater shell of the propeller, the sealing assembly plays a role in safety protection, propulsion and steering are integrated, the structure is simple, independent design and manufacturing can be realized, the universality is strong, and convenience is brought to maintenance and repair.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a top view of the present invention.
The reference signs are: the nacelle comprises a nacelle shell 1, a sealed shell 101, a permanent magnet motor 2, a thrust bearing assembly 3, a double-head ferrule 31, a propeller shaft 4, a first propeller 5, a second propeller 6, a sealed assembly 7, a radial bearing assembly 8, a steering mechanism 9, a variable frequency motor 91, a planetary gear box 92, a rotary supporting plate 93, a slip ring 10 and a slip ring shell 1001.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a permanent magnet motor counter-rotating pod propeller as shown in figures 1-4, including pod shell 1, pod shell 1 bottom is equipped with propulsion module, pod shell 1 top is equipped with the module that turns to, propulsion module includes seal housing 101, seal housing 101 one end is equipped with first screw 5, the seal housing 101 other end is equipped with second screw 6, two symmetrical distribution permanent magnet motors 2 are fixedly connected with in seal housing 101, be connected with thrust bearing subassembly 3 between two output shafts of permanent magnet motor 2, two another output shafts of permanent magnet motor 2 all transmission connection have propeller shaft 4;
the steering module comprises a steering mechanism 9 and a slip ring 10, the steering mechanism 9 comprises a variable frequency motor 91, a planetary gear box 92 and a rotary support plate 93, the rotary support plate 93 is fixedly connected to the top of the nacelle shell 1, the slip ring 10 and the variable frequency motor 91 are fixed above the rotary support plate 93, the variable frequency motor 91 is positioned on two sides of the slip ring 10, the planetary gear box 92 is arranged between the variable frequency motor 91 and the rotary support plate 93, and the slip ring 10 is arranged in a slip ring shell 1001;
the slip ring 10 comprises an electric brush, an oil distributor and a slip ring shell 1001, wherein the electric brush is used for providing monitoring signals and electric energy required by the permanent magnet motor for the underwater module of the propeller; the oil distributor is used for providing lubricating oil and compressed air fluid;
the first propeller 5 and the second propeller 6 are coaxially distributed, the diameter of the first propeller 5 is smaller than that of the second propeller 6, and the first propeller 5 and the second propeller 6 are reversely arranged;
the sealing shell 101 is in a shuttle shape, a guide through hole is formed in the bottom of the slip ring 10, and a power line and a conveying pipeline are arranged in the guide through hole;
the implementation mode is specifically as follows: the two permanent magnet motors 2 are arranged at two ends in the sealed shell 101, power is respectively transmitted to the propeller shafts 4 to respectively drive the first propeller 5 and the second propeller 6, the purpose of driving a ship is achieved, in the operation process, the first propeller 5 and the second propeller 6 simultaneously rotate reversely and can offset the counter torque of the opposite side, so that the propulsion main body is prevented from uncontrolled spin, the diameter of the first propeller 5 is smaller than that of the second propeller 6, the first propeller 5 absorbs the tail eddy current energy of the second propeller 6 to a certain extent in the operation process, the energy is saved, the two permanent magnet motors 2 respectively and directly drive the corresponding first propeller 5 and the second propeller 6, the middle power loss is reduced, the two propellers are opposite in direction in the navigation process, the rear propeller can effectively absorb the wake current vortex energy of the front propeller and convert the wake current energy into additional propulsion power, and the propeller power loss is reduced, the noise is reduced, the power can be dispersed by arranging two permanent magnet motors, the diameter of the motors is reduced, better hydrodynamic performance is obtained, the steering mechanism 9 works to enable the propeller to rotate in 360 degrees in any direction, the rotation function of the ship body is realized, the ship flexibly turns and moves by the thrust of the propeller, the high-efficiency performance of dynamic positioning and transverse movement of the ship is ensured, the stability of the ship body course is obviously improved, and the ship has very high market prospect and application value.
A sealing assembly 7 is arranged at the joint of the propeller shaft 4 and the sealing shell 101, the sealing assembly 7 is composed of a plurality of sealing rings, and the plurality of sealing rings are uniformly sleeved on the outer side of the propeller shaft 4;
a radial bearing assembly 8 is arranged on one side of the sealing assembly 7, the radial bearing assembly 8 consists of a plurality of bearings, the plurality of bearings are uniformly sleeved on the outer side of the propeller shaft 4, and the bearings are fixedly connected with the inner wall of the sealing shell 101;
the first propeller 5 and the second propeller are respectively fixedly connected with the two propeller shafts 4;
the thrust bearing assembly 3 comprises a double-end clamping sleeve 31, the double-end clamping sleeve 31 is respectively matched with the two propeller shafts 4, and a bearing is arranged at the joint of the double-end clamping sleeve 31 and the propeller shafts 4;
the implementation mode is specifically as follows: the bearing assembly 3 bears thrust generated when the propeller is propelled, the radial bearing assembly 8 bears gravity generated by the propeller, unilateral magnetic tension generated in the running process of the permanent magnet motor and partial steering force generated in the steering process of the propeller, and the sealing assembly 7 comprises a plurality of seals and is mainly used for preventing seawater from entering the underwater shell of the propeller, so that the sealing assembly plays a role of safety protection, and integrates propulsion and steering.
The utility model discloses the theory of operation:
referring to the attached drawings 1-4 of the specification, two permanent magnet motors 2 are arranged at two ends in a sealed shell 101, power is transmitted to a propeller shaft 4 to drive a first propeller 5 and a second propeller 6 respectively, the purpose of driving a ship is achieved, in the operation process, the first propeller 5 and the second propeller 6 rotate simultaneously to offset the opposite counter torque, so that a propulsion main body is prevented from uncontrolled spinning, the diameter of the first propeller 5 is smaller than that of the second propeller 6, the first propeller 5 absorbs the tail eddy current energy of the second propeller 6 to a certain extent in the operation process, energy is saved, the permanent magnet motors 2 directly drive the first propeller 5 and the second propeller 6, the middle power loss is reduced, the two propellers are opposite in rotation direction in the navigation process, the rear propeller can effectively absorb the wake flow vortex energy of the front propeller and convert the wake flow energy into additional propulsion power, two permanent magnet motors are configured to disperse power, and the steering mechanism 9 works to enable the propeller to rotate in any direction of 360 degrees;
referring to the attached drawings 1-4 of the specification, a bearing assembly 3 bears thrust generated by a propeller during propulsion, a radial bearing assembly 8 bears gravity generated by the propeller, unilateral magnetic tension generated in the running process of a permanent magnet motor and partial steering force generated in the steering process of the propeller, and a sealing assembly 7 comprises a plurality of seals and has the main functions of preventing seawater from entering the underwater shell of the propeller, playing a role of safety protection, integrating propulsion and steering, and being simple in structure, capable of being independently designed and manufactured, high in universality and convenient to maintain and repair.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A permanent magnet motor counter-rotating pod thruster comprising a pod housing (1), characterized in that: the nacelle structure comprises a nacelle shell (1), wherein a propulsion module is arranged at the bottom of the nacelle shell (1), a steering module is arranged at the top of the nacelle shell (1), the propulsion module comprises a sealed shell (101), two permanent magnet motors (2) which are symmetrically distributed are fixedly connected inside the sealed shell (101), output shafts of the two permanent magnet motors (2) are in transmission connection with corresponding propeller shafts (4), the two propeller shafts (4) respectively drive corresponding first propellers (5) and second propellers (6), and the first propellers (5) and the second propellers (6) are respectively arranged at two ends of the sealed shell (101); a thrust bearing assembly (3) is arranged between the two permanent magnet motors (2), and two propeller shafts (4) are sleeved at two ends of the thrust bearing assembly (3);
the steering module comprises a steering mechanism (9) and a sliding ring (10), and the steering mechanism (9) and the sliding ring (10) are arranged on the top of the pod shell (1).
2. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the propeller shaft (4) is provided with a sealing assembly (7) at the joint of the sealing shell (101), the sealing assembly (7) is composed of a plurality of sealing rings, and the sealing rings are uniformly sleeved on the outer side of the propeller shaft (4).
3. The permanent magnet motor counter-rotating pod thruster of claim 2, further comprising: one side of the sealing component (7) is provided with a radial bearing component (8), the radial bearing component (8) is composed of a plurality of bearings, the radial bearing component is uniformly sleeved on the outer side of the propeller shaft (4), and the bearings are fixedly connected with the inner wall of the sealing shell (101).
4. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the first propeller (5) and the second propeller are respectively and fixedly connected with the two propeller shafts (4).
5. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the thrust bearing assembly (3) comprises a double-end clamping sleeve (31), the double-end clamping sleeve (31) is respectively matched with the two propeller shafts (4), and a bearing is arranged at the joint of the double-end clamping sleeve (31) and the propeller shafts (4).
6. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the slip ring (10) comprises an electric brush, an oil distributor and a slip ring shell (1001), wherein the electric brush is used for providing monitoring signals and electric energy required by the permanent magnet motor for the underwater module of the propeller; the oil distributor is used for providing lubricating oil and compressed air fluid.
7. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the first propeller (5) and the second propeller (6) are coaxially distributed, the diameter of the first propeller (5) is smaller than that of the second propeller (6), and the first propeller (5) and the second propeller (6) are reversely arranged.
8. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the sealing shell (101) is in a shuttle shape, a guide through hole is formed in the bottom of the sliding ring (10), and a power line and a conveying pipeline are arranged in the guide through hole.
9. The permanent magnet motor counter-rotating pod propeller as recited in claim 1, further comprising: the steering mechanism (9) comprises a variable frequency motor (91), a planetary gear box (92) and a rotary supporting plate (93); the rotary supporting plate (93) is fixedly connected to the top of the nacelle shell (1), a sliding ring (10) and a variable frequency motor (91) are fixed above the rotary supporting plate (93), the variable frequency motor (91) is located on two sides of the sliding ring (10), and a planetary gear box (92) is arranged between the variable frequency motor (91) and the rotary supporting plate (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920888373.5U CN210592390U (en) | 2019-06-13 | 2019-06-13 | Permanent magnet motor contrarotating pod propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920888373.5U CN210592390U (en) | 2019-06-13 | 2019-06-13 | Permanent magnet motor contrarotating pod propeller |
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| CN210592390U true CN210592390U (en) | 2020-05-22 |
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| CN201920888373.5U Active CN210592390U (en) | 2019-06-13 | 2019-06-13 | Permanent magnet motor contrarotating pod propeller |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061361A (en) * | 2020-10-10 | 2020-12-11 | 宁波海伯集团有限公司 | Marine propeller |
| CN112722227A (en) * | 2021-02-04 | 2021-04-30 | 武汉波依迈科技有限公司 | Sealed electric jet pump propeller |
| CN112793757A (en) * | 2021-02-07 | 2021-05-14 | 武汉波依迈科技有限公司 | Pod propeller |
| CN112829909A (en) * | 2021-02-04 | 2021-05-25 | 武汉波依迈科技有限公司 | Sealed nacelle propeller |
| CN114313182A (en) * | 2022-01-05 | 2022-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Pod propulsion device with tetrahedral structure |
| CN114744741A (en) * | 2022-05-18 | 2022-07-12 | 中国船舶科学研究中心 | Channel energy recovery system of submersible with double motor modules and operation method |
| CN114802674A (en) * | 2022-04-20 | 2022-07-29 | 广东逸动科技有限公司 | Propulsion device |
| CN115009489A (en) * | 2022-05-22 | 2022-09-06 | 哈尔滨广瀚动力传动有限公司 | Electric contra-rotating propeller propulsion nacelle |
-
2019
- 2019-06-13 CN CN201920888373.5U patent/CN210592390U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061361A (en) * | 2020-10-10 | 2020-12-11 | 宁波海伯集团有限公司 | Marine propeller |
| CN112722227A (en) * | 2021-02-04 | 2021-04-30 | 武汉波依迈科技有限公司 | Sealed electric jet pump propeller |
| CN112829909A (en) * | 2021-02-04 | 2021-05-25 | 武汉波依迈科技有限公司 | Sealed nacelle propeller |
| CN112793757A (en) * | 2021-02-07 | 2021-05-14 | 武汉波依迈科技有限公司 | Pod propeller |
| CN114313182A (en) * | 2022-01-05 | 2022-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Pod propulsion device with tetrahedral structure |
| CN114313182B (en) * | 2022-01-05 | 2024-04-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Tetrahedral structure nacelle advancing device |
| CN114802674A (en) * | 2022-04-20 | 2022-07-29 | 广东逸动科技有限公司 | Propulsion device |
| CN114802674B (en) * | 2022-04-20 | 2023-09-05 | 广东逸动科技有限公司 | Propelling device |
| CN114744741A (en) * | 2022-05-18 | 2022-07-12 | 中国船舶科学研究中心 | Channel energy recovery system of submersible with double motor modules and operation method |
| CN115009489A (en) * | 2022-05-22 | 2022-09-06 | 哈尔滨广瀚动力传动有限公司 | Electric contra-rotating propeller propulsion nacelle |
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