CN218578001U - Underwater rudder-free water jet propulsion device composed of four submerged motors and propellers - Google Patents
Underwater rudder-free water jet propulsion device composed of four submerged motors and propellers Download PDFInfo
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- CN218578001U CN218578001U CN202221778575.2U CN202221778575U CN218578001U CN 218578001 U CN218578001 U CN 218578001U CN 202221778575 U CN202221778575 U CN 202221778575U CN 218578001 U CN218578001 U CN 218578001U
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Abstract
The utility model provides an underwater rudderless water jet propulsion unit that four motors of soaking and screw constitute, belongs to underwater vehicle propulsion system technical field, characterized by: the device comprises a watertight isolation cover, a buoyancy conformal sealing ring, a motor installation body, a streamline water guide shell, a vector water spraying fairing, a propeller and a driving motor. The connection relation is as follows: the watertight isolation cover is connected with the motor installation body, the driving motor is installed in the motor installation fixing body, and the streamline-shaped water guide shell is sleeved on the central column of the motor installation body and the tail part of the driving motor; the vector water spraying fairing is sleeved on the streamline water guiding shell and is fastened with the streamline water guiding shell and the motor mounting and fixing body together by using a fixing screw; the propeller is arranged at the tail end of the driving motor, and two ends of the watertight transition cable are respectively connected with an input plug of the driving motor and a through hole penetrating through the watertight isolation cover to be connected with the watertight cable. The aircraft has the advantages of simple structure and high propulsion efficiency, and realizes the technical characteristics of high efficiency, high speed, high stability and high maneuverability of the aircraft.
Description
Technical Field
The utility model belongs to the technical field of underwater vehicle propulsion system, concretely relates to rudderless water jet propulsion unit under water that four soaked motor and screw constitute.
Background
There are many kinds of underwater vehicle power propulsion systems, and most of them are in the form of dry motor driving single propeller + rudder or double propellers + rudder, or single waterproof motor + propeller propulsion device assembly is arranged at different positions, and cooperates with rudder to drive stable operation of the vehicle, but the above propulsion mode has many disadvantages: the dry motor is difficult in heat dissipation, the problem of shafting sealing is difficult to solve, the dry motor is not suitable for long-time operation at high rotating speed, the propeller and rudder propulsion devices are complex to control, when the sailing speed is low, the rudder has poor posture adjusting capability, low propulsion efficiency and high energy consumption, foreign matters are easy to wind, and the technical performances of high sailing speed, high stability and high maneuverability are difficult to achieve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a four motors that soak and rudderless water jet propulsion unit under water that four screw constitutes respectively can effectively overcome the shortcoming that prior art exists.
The utility model discloses a realize like this: as shown in fig. 1 and 2, the method is characterized in that: including watertight isolated lid 1, the conformal sealing washer of buoyancy 2, the motor installation body 4, streamlined water guide casing 5, vector water spray fairing 8, screw 10, driving motor spindle nose 12 and driving motor 13, its relation of connection is: the watertight isolation cover 1 is connected with the motor installation body 4 through N first connecting screws 3, N is a positive integer, the heads of four driving motors 13 are installed in the motor installation body 4, and the streamline water guide shell 5 is sleeved on a central column 4.1 of the motor installation body 4 and is sleeved on the tail parts of the four driving motors 13; the vector water spraying fairing 8 is sleeved on the outer surface of the streamline water guiding shell 5 and is fixedly connected with the streamline water guiding shell through N second connecting bolts 7; the water spray fairing 8, the streamline water guide shell 5 and the motor installation body 4 are fastened together by a fixing screw 9; the four propellers 10 are respectively connected to the tail ends of four driving motors 13 through driving motor shaft heads 12 and fastened through nuts 11; four watertight cables 18 respectively penetrate through the through holes on the watertight isolation cover 1 to be connected with the watertight transition cable 15; the other ends of the four watertight transition cables 15 are respectively connected with input plugs 14 at the upper ends of the four driving motors 13.
The structural form of the vector water spraying fairing 8 refers to a patent which is already applied by the company and is named as a novel fairing of a rudderless underwater unmanned underwater vehicle propelled by four propellers, and the patent numbers are as follows: ZL 2018 2 1101529.2, this new fairing of structure my factory has accomplished the batch production, and is respond well in use.
The utility model discloses an advantage and positive effect are: the four-oar aircraft has the advantages of simple structure, no rudder on four propellers, high propulsion efficiency and accurate attitude control, realizes the technical characteristics of high efficiency, high speed, high stability and high maneuverability of the aircraft, and effectively solves the problems in the prior art.
Description of the drawings:
FIG. 1 is a schematic view of the assembly of the present invention.
(a) Front view (b) of the assembly drawing is a left side view of the assembly drawing
FIG. 2 isbase:Sub>A sectional view taken along line A-A in FIG. 1 (b).
Fig. 3 is a schematic view of the motor mounting body 4.
Fig. 4 is a schematic view of the watertight sealing cover 1.
FIG. 5 is a schematic view of the vector water jet fairing 8.
Fig. 6 is a schematic view of a streamlined water guiding shell.
(c) The front view of the streamlined water shell (d) isbase:Sub>A cross-sectional view A-A in the drawing (c)
In the figure: 1-a watertight isolation cover, 1.1-an annular groove, 1.2-a cable through hole, 2-a buoyancy conformal sealing ring, 3-a first connecting bolt, 4-a motor installation body, 4.1-a central column, 4.2-a motor placing hole, 4.3-a flange disc surface, 4.4-a boss, 5-a streamline water guide shell, 5.1-a driving motor front end placing hole, 5.2-a central column placing hole, 5.3-a fixing screw through hole, 6-a connecting screw, 7-a second connecting bolt, 8-a vector water spray fairing, 9-a fixing screw, 10-a propeller, 11-a nut, 12-a driving motor shaft head, 13-a driving motor, 14-a driving motor input plug, 15-a watertight transition cable, 16-a fastening screw, 17-a sealing nut, and 18-a watertight cable.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, the utility model discloses after the overall structure installation is accomplished, dock with the navigation ware before the commissioning, with inside cable junction, through the connecting bolt fastening, then start four driving motor operation, drive four screw rotations to promote the navigation ware and advance. The water tightness is good in the practical operation process, water flow is smooth, the water flow cools the driving motor, the motor efficiency is improved, the water flow passes through the water spraying fairing from the streamline water guiding shell to form vector water columns to be sprayed out, forward or turning propelling power is provided for an aircraft, and the rapid and efficient posture adjustment is realized.
Claims (1)
1. The underwater rudderless water spraying propulsion device is characterized by comprising a watertight isolation cover (1), a buoyancy conformal sealing ring (2), a motor installation body (4), a streamline water guiding shell (5), a vector water spraying fairing (8), a propeller (10), a driving motor shaft head (12) and a driving motor (13), wherein the connection relation is as follows: the watertight isolation cover (1) is connected with the motor installation body (4) through N first connecting bolts (3), N is a positive integer, the heads of four driving motors (13) are installed in the motor installation body (4), the streamline water guide shell (5) is sleeved on a central column (4.1) of the motor installation body (4), and meanwhile, the streamline water guide shell is also sleeved on the tail parts of the four driving motors (13); the vector water spraying fairing (8) is sleeved on the outer surface of the streamline water guiding shell (5) and is fixedly connected with the streamline water guiding shell through N second connecting bolts (7); the water spraying fairing (8), the streamline water guiding shell (5) and the motor installation body (4) are fastened together by a fixing screw (9); the four propellers (10) are respectively connected to the tail ends of the four driving motors (13) through corresponding driving motor shaft heads (12) and are fastened through nuts (11); the four watertight cables (18) respectively penetrate through the through holes on the watertight isolating cover (1) to be connected with the watertight transition cable (15); the other ends of the four watertight transition cables (15) are respectively connected with input plugs (14) at the upper ends of the four driving motors (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778575.2U CN218578001U (en) | 2022-07-11 | 2022-07-11 | Underwater rudder-free water jet propulsion device composed of four submerged motors and propellers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778575.2U CN218578001U (en) | 2022-07-11 | 2022-07-11 | Underwater rudder-free water jet propulsion device composed of four submerged motors and propellers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218578001U true CN218578001U (en) | 2023-03-07 |
Family
ID=85360801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221778575.2U Active CN218578001U (en) | 2022-07-11 | 2022-07-11 | Underwater rudder-free water jet propulsion device composed of four submerged motors and propellers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218578001U (en) |
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2022
- 2022-07-11 CN CN202221778575.2U patent/CN218578001U/en active Active
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