Deep-sea pressure-resistant electric propeller

Abstract

The invention relates to the technical field of ocean engineering, and particularly discloses a deep-sea pressure-resistant electric thruster which comprises a thruster body, and the inner wall of the thruster body is rotationally connected with a rotating shaft; through the arrangement of the propeller body, the rotating shaft, the oil bag, the oil guide hole and the oil seal, when the propeller is used, silicon-based heat conduction oil is stored in the oil bag, the rotating shaft and related parts are continuously lubricated through the oil guide hole, the rotating smoothness and the durability of the parts are ensured, the internal pressure is balanced, seawater is prevented from permeating due to the pressure difference, and the service life of the propeller is prolonged. The oil seal prevents leakage of the silicon-based heat conduction oil and infiltration of seawater, the stability of the internal environment of the propeller is guaranteed, the mode of the pressure balancing oil bag is adopted, the inner cavity of the motor is filled with the silicon-based heat conduction oil, and the external pressure oil bag can be adjusted along with the change of water pressure, so that the pressure of the inner cavity of the motor and the external water pressure are kept balanced, and the sealing performance is improved; and water cannot enter the motor inner cavity through the sealing element of the rotating shaft, so that the insulating property of the motor is protected.

Description

Technical Field

[0001] The invention belongs to the technical field of marine engineering, and in particular relates to a deep-sea pressure-resistant electric thruster. Background Art

[0002] With the increasing number of marine activities, underwater rescue missions have become increasingly important and complex, and the field of deep-sea engineering technology has therefore ushered in new challenges and opportunities. In deep-sea rescue scenarios, the efficient and stable operation of underwater vehicles is crucial to the successful execution of tasks such as personnel search and rescue and equipment recovery. As a key component of underwater vehicles, electric thrusters play a vital role in deep-sea rescue operations.

[0003] Traditional electric thrusters face many technical difficulties when used in deep sea, especially in terms of sealing and durability under high pressure environment. The water pressure in deep sea environment is huge, which places extremely high demands on the sealing performance of the thruster. Once the seal fails, seawater seeps into the thruster, which will not only cause short circuit and corrosion of electrical components, but also may cause mechanical failure, seriously affecting the service life and safety of the thruster. In addition, the complex water flow and seabed topography in deep sea environment also pose a severe test to the durability and stability of the thruster. Traditional thruster design often cannot take into account sealing, durability and stability, resulting in frequent failures in deep sea operations, affecting the smooth progress of the mission, so staff need to improve it. Summary of the invention

[0004] The object of the present invention is to provide a deep-sea pressure-resistant electric thruster to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A deep-sea pressure-resistant electric thruster, comprising:

[0007] Thruster body;

[0008] The inner wall of the propeller body is rotatably connected with a rotating shaft, an inner wall of the propeller body close to one end of the rotating shaft is provided with an oil bag, one end of the rotating shaft is provided with an oil guide hole, and one end of the oil guide hole is connected with the oil bag through and through;

[0009] The tail end of the propeller body is rotatably connected to a propeller, and the surface of the rotating shaft is fixedly connected to the inner wall of the propeller, one side of the inner wall of the propeller body is fixedly connected to an oil seal, and the inner wall of the oil seal is sleeved on the surface of the rotating shaft, and the inner wall of the propeller body is fixedly connected to a first bearing on the side close to the oil seal, and the inner wall of the first bearing is sleeved on the surface of the rotating shaft.

[0010] Preferably, an oil baffle is fixedly connected to the top of the thruster body, and a bakelite board is fixedly connected to the inner wall of the oil baffle.

[0011] Preferably, a second bearing is fixedly connected to a side of the inner wall of the propeller body close to the oil bag, and the inner wall of the second bearing is sleeved on the surface of the rotating shaft.

[0012] Preferably, a rotor is rotatably connected to the surface of the rotating shaft, and a stator is rotatably connected to the surface of the rotor.

[0013] Preferably, a plurality of groups of air holes are provided at the front end of the thruster body, and a pressure-stabilizing guide ridge is fixedly connected to the bottom of the thruster body.

[0014] Preferably, a wire is fixedly connected to the top of the oil blocker.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) Through the arrangement of the propeller body, the rotating shaft, the oil bag, the oil guide hole, the propeller, the oil seal and the first bearing, when in use, the propeller is driven by rotation to generate thrust, thereby propelling the underwater vehicle forward. The silicone-based heat transfer oil is stored in the oil bag, and the rotating shaft and related components are continuously lubricated through the oil guide hole to ensure the smoothness of rotation and the durability of the components. At the same time, it also helps to balance the internal pressure and prevent seawater from penetrating due to pressure difference. The oil seal is tightly sleeved on the surface of the rotating shaft to prevent the leakage of the silicone-based heat transfer oil and the penetration of seawater, thereby ensuring the stability of the internal environment of the propeller. The pressure balance oil bag is adopted, and the inner cavity of the motor is filled with silicone-based heat transfer oil. The external pressure oil bag can be adjusted with the change of water pressure, so that the pressure in the inner cavity of the motor is balanced with the external water pressure, thereby improving the sealing performance, ensuring that water cannot enter the inner cavity of the motor through the seal of the rotating shaft, thereby protecting the insulation performance of the motor, so that it can operate normally in a deep-sea environment, thereby not only making the deep-sea pressure-resistant electric thruster have a strong propulsion capability, but also enabling it to operate stably in a deep-sea high-pressure environment.

[0017] (2) Through the setting of the oil blocker, bakelite, second bearing, rotor, stator, air hole and pressure-stabilizing guide ridge, when in use, the oil blocker prevents the leakage of oil and ensures the stable circulation of oil inside the thruster. The bakelite enhances its sealing performance and further prevents the leakage of oil. The rotor rotates in the magnetic field generated by the stator and converts electrical energy into mechanical energy through the principle of electromagnetic induction, thereby driving the rotation of the shaft and propeller to provide continuous power output for the thruster. The pressure-stabilizing guide ridge serves as a stabilizing device for the thruster. Its design helps to reduce the swing and vibration of the thruster during deep-sea operations, improve its stability and reliability, thereby improving the performance and stability of the deep-sea pressure-resistant electric thruster and enabling it to better adapt to the complex and changeable operating environment of the deep sea. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 One of the three-dimensional diagrams of the present invention;

[0019] Figure 2 This is the second stereogram of the present invention;

[0020] Figure 3 This is the third stereogram of the present invention;

[0021] Figure 4 is a cross-sectional view of the present invention;

[0022] In the figure: 1. propeller body; 2. rotating shaft; 3. oil bag; 4. oil guide hole; 5. propeller; 6. oil seal; 7. first bearing; 8. oil blocker; 9. bakelite; 10. second bearing; 11. rotor; 12. stator; 13. air hole; 14. voltage-stabilizing guide ridge; 15. wire. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] See also Figures 1 to 4 As shown, a deep-sea pressure-resistant electric thruster comprises:

[0026] Propeller body 1;

[0027] The inner wall of the propeller body 1 is rotatably connected with a rotating shaft 2, an oil bag 3 is provided at one end of the inner wall of the propeller body 1 close to the rotating shaft 2, an oil guide hole 4 is provided at one end of the rotating shaft 2, and one end of the oil guide hole 4 is connected to the oil bag 3 through the oil guide hole 4;

[0028] The tail end of the propeller body 1 is rotatably connected to the propeller 5, and the surface of the rotating shaft 2 is fixedly connected to the inner wall of the propeller 5, an oil seal 6 is fixedly connected to one side of the inner wall of the propeller body 1, and the inner wall of the oil seal 6 is sleeved on the surface of the rotating shaft 2, and a first bearing 7 is fixedly connected to the side of the inner wall of the propeller body 1 close to the oil seal 6, and the inner wall of the first bearing 7 is sleeved on the surface of the rotating shaft 2.

[0029] When in use, the propeller body 1 provides necessary support and protection for the entire device. The rotating shaft 2 is the core of power transmission. Its surface is fixedly connected to the inner wall of the propeller 5. The propeller 5 is driven by rotation to generate thrust, thereby pushing the underwater vehicle forward. In order to cope with the high-pressure challenge of the deep-sea environment, the silicone-based thermal oil is stored in the oil bag 3, and the rotating shaft 2 and related components are continuously lubricated through the oil guide hole 4 to ensure the smoothness of rotation and the durability of the components. At the same time, it also helps to balance the internal pressure and prevent seawater from penetrating due to pressure difference. The oil seal 6 is the key to the sealing system. It is tightly fitted on the surface of the rotating shaft 2 to effectively prevent the silicone from penetrating. The leakage of silicone-based heat transfer oil and the infiltration of seawater ensure the stability of the internal environment of the thruster. In addition, in view of the difficulty in sealing the motor shaft, a pressure-balanced oil bag is specially adopted. The inner cavity of the motor is filled with silicone-based heat transfer oil, and the external pressure oil bag can be adjusted with the change of water pressure to keep the pressure in the inner cavity of the motor balanced with the external water pressure, thereby improving the sealing performance and ensuring that water cannot enter the inner cavity of the motor through the seal of the rotating shaft, thereby protecting the insulation performance of the motor and enabling it to operate normally in a deep-sea environment. The first bearing 7 further enhances the stability and reliability of the rotation of the shaft 2, reduces friction and wear, and extends the service life of the thruster.

[0030] Embodiment 2:

[0031] See also Figures 1 to 4 As shown, the top of the propeller body 1 is fixedly connected to an oil blocker 8, the inner wall of the oil blocker 8 is fixedly connected to a bakelite board 9, the inner wall of the propeller body 1 is fixedly connected to a second bearing 10 on the side close to the oil bag 3, and the inner wall of the second bearing 10 is sleeved on the surface of the rotating shaft 2, the surface of the rotating shaft 2 is rotatably connected to a rotor 11, the surface of the rotor 11 is rotatably connected to a stator 12, a plurality of groups of air holes 13 are provided at the front end of the propeller body 1, a pressure-stabilizing guide ridge 14 is fixedly connected to the bottom of the propeller body 1, and a wire 15 is fixedly connected to the top of the oil blocker 8.

[0032] When in use, the oil blocker 8 prevents oil leakage and ensures the stable circulation of oil inside the propeller, thereby maintaining the normal operation of the propeller. The bakelite board 9 serves as the inner lining of the oil blocker 8 to enhance its sealing performance and further prevent oil leakage. The second bearing 10 provides additional support for the shaft 2, making the shaft 2 more stable when rotating at high speed, reducing noise and wear caused by vibration, and working together with other bearings to ensure the smooth operation of the entire propeller transmission system. The rotor 11 and the stator 12 constitute the motor part of the propeller, which is the core of generating power. The rotor 11 rotates in the magnetic field generated by the stator 12 and converts electrical energy into electric energy through the principle of electromagnetic induction. The air holes 13 are arranged so that the propeller can maintain the balance of internal and external pressures in the deep-sea high-pressure environment to prevent structural damage caused by pressure difference. These air holes allow the gas inside the propeller to exchange with the outside world, so as to maintain the stability of the internal environment. The pressure-stabilizing guide ridge 14 serves as a stabilizing device for the propeller. Its design helps to reduce the swing and vibration of the propeller during deep-sea operation and improve its stability and reliability. At the same time, it guides the movement direction of the propeller to a certain extent, so that the underwater vehicle can navigate according to the predetermined trajectory.

[0033] Embodiment three:

[0034] See also Figures 1 to 4 As shown, in an urgent underwater rescue mission, a deep-sea submersible was quickly deployed to search and rescue survivors of a submarine that had crashed in the deep sea. The key to this mission is whether the submersible can operate efficiently and stably in the extreme deep-sea environment and accurately reach the scene of the accident.

[0035] The deep-sea pressure-resistant electric thruster played a vital role in this rescue mission. The thruster adopts an advanced pressure-balanced oil bag design, which enables it to maintain excellent sealing performance in the high-pressure environment of the deep sea. This feature ensures the stability of the internal environment of the thruster and effectively prevents seawater from infiltrating due to pressure differences, thereby protecting electrical components from corrosion and short-circuit risks.

[0036] In addition, the deep-sea pressure-resistant electric thruster also has excellent durability and stability. In the complex deep-sea environment, the thruster can continuously provide stable power support for the submersible, ensuring that it can smoothly traverse the complex seabed terrain and possible water flow obstacles. This enables the submersible to accurately arrive at the scene of the accident and provide strong support for search and rescue work.

[0037] During the rescue process, the performance of the deep-sea pressure-resistant electric thruster was fully verified. It not only met the submersible's efficient operation needs in the deep-sea environment, but also ensured the smooth progress of the search and rescue work. Through advanced oil bladder design and lubrication system, the thruster successfully solved the sealing and durability problems in the deep-sea environment, laying a solid foundation for the successful completion of the submarine rescue mission.

[0038] Working principle: When in use, the propeller body 1 provides necessary support and protection for the entire device. The rotating shaft 2 is the core of power transmission. Its surface is fixedly connected to the inner wall of the propeller 5. The propeller 5 is driven by rotation to generate thrust, thereby pushing the underwater vehicle forward. The silicone-based thermal oil is stored in the oil bag 3, and the rotating shaft 2 and related components are continuously lubricated through the oil guide hole 4 to ensure the smoothness of rotation and the durability of the components. At the same time, it also helps to balance the internal pressure and prevent seawater from penetrating due to pressure difference. The oil seal 6 is the key to the sealing system. It is tightly sleeved on the surface of the rotating shaft 2, effectively preventing the leakage of silicone-based thermal oil and the infiltration of seawater, ensuring the stability of the internal environment of the propeller. In addition, in view of the difficulty in sealing the rotating shaft of the motor, a pressure-balanced oil bag is specially adopted. The inner cavity of the motor is filled with silicone-based thermal oil. The external pressure oil bag can be adjusted with the change of water pressure, so that the pressure in the inner cavity of the motor is balanced with the external water pressure, improving the sealing performance, ensuring that water cannot enter the inner cavity of the motor through the seal of the rotating shaft, thereby protecting the insulation performance of the motor and enabling it to work normally in a deep-sea environment. The propeller 12 is normally operated, and the oil blocker 8 prevents the leakage of oil, ensuring the stable circulation of oil inside the propeller, thereby maintaining the normal operation of the propeller. The bakelite board 9 serves as the inner lining of the oil blocker 8 to enhance its sealing performance and further prevent the leakage of oil. The rotor 11 and the stator 12 constitute the motor part of the propeller, which is the core of generating power. The rotor 11 rotates in the magnetic field generated by the stator 12, and converts electrical energy into mechanical energy through the principle of electromagnetic induction, thereby driving the rotation of the shaft 2 and the propeller 5, providing continuous power output for the propeller. The setting of the air holes 13 enables the propeller to maintain the balance of internal and external pressures in the deep-sea high-pressure environment to prevent structural damage caused by pressure difference. These air holes allow the liquid inside the propeller to exchange with the outside world, thereby maintaining the stability of the internal environment. The pressure-stabilizing guide ridge 14 serves as a stabilizing device for the propeller. Its design helps to reduce the swing and vibration of the propeller during deep-sea operations, improve its stability and reliability, and at the same time, guide the movement direction of the propeller to a certain extent, so that the underwater vehicle can navigate according to the predetermined trajectory.

[0039] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0044] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A deep-sea pressure-resistant electric thruster, characterized in that: include: A propeller body (1); The inner wall of the propeller body (1) is rotatably connected to a rotating shaft (2); an oil bag (3) is provided at one end of the inner wall of the propeller body (1) close to the rotating shaft (2); an oil guide hole (4) is provided at one end of the rotating shaft (2); and one end of the oil guide hole (4) is connected to the oil bag (3); The tail end of the propeller body (1) is rotatably connected to a propeller (5), and the surface of the rotating shaft (2) is fixedly connected to the inner wall of the propeller (5); an oil seal (6) is fixedly connected to one side of the inner wall of the propeller body (1), and the inner wall of the oil seal (6) is sleeved on the surface of the rotating shaft (2); a first bearing (7) is fixedly connected to the side of the inner wall of the propeller body (1) close to the oil seal (6), and the inner wall of the first bearing (7) is sleeved on the surface of the rotating shaft (2).

2. A deep-sea pressure-resistant electric thruster according to claim 1, characterized in that: The top of the thruster body (1) is fixedly connected to an oil blocker (8), and the inner wall of the oil blocker (8) is fixedly connected to a bakelite board (9).

3. A deep-sea pressure-resistant electric thruster according to claim 1, characterized in that: A second bearing (10) is fixedly connected to a side of the inner wall of the propeller body (1) close to the oil bag (3), and the inner wall of the second bearing (10) is sleeved on the surface of the rotating shaft (2).

4. The deep-sea pressure-resistant electric thruster according to claim 1, characterized in that: The surface of the rotating shaft (2) is rotatably connected to a rotor (11), and the surface of the rotor (11) is rotatably connected to a stator (12).

5. The deep-sea pressure-resistant electric thruster according to claim 1, characterized in that: The front end of the propeller body (1) is provided with a plurality of groups of air holes (13), and the bottom of the propeller body (1) is fixedly connected with a pressure-stabilizing guide ridge (14).

6. A deep-sea pressure-resistant electric thruster according to claim 2, characterized in that: A wire (15) is fixedly connected to the top of the oil blocker (8).

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