CN108945354B - Underwater and water surface auxiliary propeller - Google Patents

Abstract

The invention relates to an auxiliary propeller which comprises a main cabin, connecting wings, a vector propulsion mechanism, a wave energy propulsion mechanism and a buoyancy module, wherein the connecting wings are arranged on the main cabin; the connecting wings are respectively positioned at two sides of the main cabin and are respectively connected with a group of vector propulsion mechanisms at the outer sides, and the vector propulsion mechanisms are lower than the main cabin; the wave energy propulsion mechanism is located right below the main cabin, and the buoyancy module is located above the main cabin. The invention has the advantages that: the three-section type tilting device used by the invention can carry out 360-degree full-rotation propulsion, has simple and compact structure, enhances the controllability and adaptability of the auxiliary propeller in a complex environment, is convenient and flexible to operate, and improves the control capability of a diver; meanwhile, when the wave energy propulsion mechanism and the propeller advance in water, the wave energy propulsion mechanism can provide certain thrust and buoyancy, so that the effects of saving the electric quantity of a battery and increasing the endurance time are achieved; in addition, two states of underwater navigation and water surface navigation can be realized by installing the buoyancy module.

Description

An underwater and surface auxiliary propeller

technical field

The invention belongs to the technical field of auxiliary propellers, relates to an underwater and surface auxiliary propeller, and more particularly relates to a vector propulsion underwater and surface auxiliary propeller.

Background technique

The auxiliary thruster is actually a submersible, which is divided into two types: with umbilical cable and without umbilical cable. The invention belongs to a propulsion device without an umbilical cable. Auxiliary thrusters can pull divers to swim and realize underwater sightseeing, photography and other functions. At present, the propellers of the auxiliary propellers are mostly installed in a fixed manner, or a complex mechanism is used to realize the tilting. The tilting is driven by a motor, and the horsepower is small and cannot be effectively fixed at a certain angle position. Therefore, it is inconvenient and flexible to use.

The patent number is CN101513926B and the patent is named "Tilt-rotor vector propulsion device for underwater propeller". The disclosed underwater propeller has the disadvantage that the propeller cannot tilt in the left and right directions, and cannot solve the problem of turning; The patent number is CN106741791A and the patent is named "full-rotation underwater propeller". The disclosed underwater propeller has the disadvantage that it uses a motor to drive the tilt and cannot be effectively fixed at a certain angular position.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the problems and defects of the prior art, mainly aiming at the problem of optimizing the vector propulsion and the fixed position of the propulsion device at a certain tilt angle, so as to realize flexible and convenient azimuth propulsion and effectively realize the propulsion device in a certain tilt angle. Fixing an angular position provides an underwater and surface auxiliary propeller that is easy to use, flexible and reliable in performance.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is: an underwater and surface auxiliary propeller, the innovation of which is: comprising:

The main cabin, the casing of the main cabin is streamlined, and a camera is installed in front of the main cabin; two handles are installed above the main cabin, the handles are located in the middle and rear of the streamlined casing of the main cabin, and are symmetrically distributed, and the angle of the handles There is a certain angle with the direction of the incoming flow; a battery is also installed in the middle of the main cabin to supply power to the propeller;

The connecting wings are distributed in a streamlined shape, and the connecting wings are symmetrically arranged on both sides of the main cabin; the connecting wings and the horizontal direction of the main cabin are arranged at an angle α, so that the connecting wings on both sides are in an "inverted V shape". "distributed;

Vector propulsion mechanism, the vector propulsion mechanism is fixedly connected to the outer end of each connecting wing, and the vector propulsion mechanism is lower than the main cabin; a set of hydraulic circulation system is installed in the main cabin and the two sets of vector propulsion mechanisms, and the hydraulic circulation system includes A motor, a two-way hydraulic gear pump, a set of hydraulic locks and several soft oil pipes are arranged in the main cabin, and also includes a two-way hydraulic motor arranged in a vector propulsion mechanism; LED lights are arranged on the front side of the casing, a set of three-section vector tilting devices are arranged in the cylindrical casing, and a corrugated tube and a duct propeller are arranged in sequence on the rear side of the cylindrical casing;

The three-section vector tilting device is in the shape of a variable-section pipe as a whole, and is composed of three pipes. The first pipe is fixed on the inner front side of the cylindrical shell. The section is at an included angle β; a flange is provided at the connection of the pipe shell, which is fastened externally by a "C-ring", and the inner end of the second and third pipes are distributed with internal meshing gears. The meshing gear is integrally formed with the pipeline, and is driven by a two-way hydraulic motor respectively; the other end of the third section of the pipeline is connected with the ducted propeller, and a driving motor is distributed at the central axis of the ducted propeller; the corrugated tube is in the shape of a circular frustum Body shape, one end with a larger opening is sealed and connected to the rear side of the cylindrical shell, and one end with a smaller opening is sealed and connected to the drive motor at the central axis of the ducted propeller;

The wave energy propulsion mechanism is fixedly arranged directly below the main cabin; the wave energy propulsion mechanism is composed of a vertical connecting rod, a horizontal connecting rod, a front wing and a tail wing, and the vertical connecting rod is located in the main cabin. Just below the cabin, one end of the vertical connecting rod is connected with the main cabin, and the other end of the vertical connecting rod is connected with the front wing; the horizontal connecting rod is vertically arranged with the vertical connecting rod, and one end of the horizontal connecting rod is connected with the front wing, The other end of the horizontal connecting rod is connected with the rear wing;

The buoyancy module is in the shape of a cavity structure shell, and the buoyancy module is fixedly arranged directly above the main cabin.

Further, the ratio of the transverse width to the longitudinal length of the main cabin is 0.8 to 1.2, and the height of the main cabin is 1/4 to 1/3 of the transverse width.

Further, the included angle α is 25°˜35°.

Further, the length of the vector propulsion mechanism is consistent with the main cabin, and the diameter of the cylindrical shell of the vector propulsion mechanism is 1/2-2/3 of the height of the main cabin.

Further, the included angle β is 15°˜22.5°.

Further, the ducted propeller includes a propeller and a duct arranged on the outer periphery of the propeller.

Further, the cross-sections of the vertical connecting rod and the horizontal connecting rod are circular or oval, the length of the vertical connecting rod is 0.8 to 1 times the longitudinal length of the main cabin, and the length of the horizontal connecting rod is 0.8 to 1 times the length of the vertical connecting rod. 0.5 to 0.8 times.

Further, the front wing is bow-shaped, the wingspan is 2.5 to 3 times the lateral width of the main cabin, and the maximum longitudinal arching distance is 1/10 to 1/8 of the wingspan.

Further, the wingspan of the tail wing is 1/2 to 2/3 of the front wing, the tail wing is composed of two trapezoidal thin plates symmetrically distributed on the left and right, the wider side of the two thin plates is connected to the horizontal connecting rod, and the wider side is connected to the horizontal connecting rod. The side length is 1/2 to 2/3 of the maximum arching distance of the front wing arch.

Further, the lateral width of the buoyancy module is 1.2 to 1.5 times the lateral width of the main cabin, and the longitudinal length is 0.4 to 0.6 times the longitudinal length of the main cabin, and the overall shape fits the main cabin and the connecting wings, and the thickness of the main cabin is 0.4 to 0.6 times. 1/4～1/3.

The advantages of the present invention are:

(1) The underwater and surface auxiliary propeller of the present invention uses a three-section tilting device, which can perform 360° full-rotation propulsion, and has a simple and compact structure, which enhances the controllability and adaptability of the auxiliary propeller in complex environments. The operation is convenient and flexible, which improves the manipulating ability of the diver, and a set of hydraulic circulation system is used for the tilting drive of the three-section tilting device; at the same time, the wave energy propulsion mechanism can provide a certain thrust and Buoyancy can save battery power and increase battery life; in addition, two states of underwater navigation and surface navigation can be realized by installing buoyancy modules;

(2) The underwater and surface auxiliary propulsion of the present invention, wherein, the bidirectional hydraulic gear pump in the hydraulic circulation system can perform forward and reverse operation, which improves the steering flexibility of the propulsion device; at the same time, the bidirectional hydraulic motor, the structure Simple, small size and light weight, impact resistance and inertia are small, compared with the use of motor tilting, the two-way hydraulic motor is more convenient for starting, braking, speed regulation and reversing, and the torque is large, and the operation is stable; in addition, the hydraulic lock , When the tilting is stopped, it can prevent the backflow of oil, so that the propeller is fixed at a certain angle; avoid the insensitivity of steering caused by the inaccurate tilting angle of the propeller, increase the flexibility of operation and improve the safety of divers sex;

(3) In the underwater and surface auxiliary propeller of the present invention, the duct is arranged outside the propeller, which can improve the propulsion efficiency of the propeller.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an overall effect diagram of the present invention.

FIG. 2 is an overall structural diagram of the present invention.

FIG. 3 is a schematic diagram of the installation of the buoyancy module of the present invention.

FIG. 4 is a diagram of the wave energy propulsion mechanism of the present invention.

5 is a schematic structural diagram of the three-section tilting device of the present invention when it is tilted downward.

6 is a schematic diagram of the internal driving structure of the three-section tilting device of the present invention.

FIG. 7 is a schematic longitudinal cross-sectional view of the connection mode of the connection surface of the three-section tilting device of the present invention.

Fig. 8 is a schematic diagram of the hydraulic circulation system of the present invention.

FIG. 9 is a schematic diagram of the working principle of the hydraulic lock (part) of the hydraulic circulation system of the present invention.

Detailed ways

The following embodiments can make those skilled in the art understand the present invention more comprehensively, but do not limit the present invention to the scope of the described embodiments.

Example

As shown in FIG. 1 , the underwater and surface auxiliary propeller of this embodiment includes a main cabin 1, and connecting wings 3 are symmetrically arranged on both sides of the main cabin 1, and the connecting wings 3 and the horizontal direction of the main cabin 1 are arranged at an included angle α, The included angle α is 25° to 35°, so that the connecting wings on both sides are distributed in an "inverted V" shape, and the vector propulsion mechanism 2 is fixedly connected to the outer end of each connecting wing 3, and the vector propulsion mechanism 2 is lower than the main cabin. 1. Avoid or reduce the interference of the propeller wake on the divers; a wave energy propulsion mechanism 4 is fixed directly below the main cabin 1, and a buoyancy module 5 is fixed directly above the main cabin, and the buoyancy module 5 is in the shape of a cavity structure shell , the buoyancy module 5 is fixed with the main cabin 1 through the fixed module on the rear side. When the buoyancy module 5 is installed, the buoyancy of the auxiliary propeller increases, and the navigation on the water surface can be realized. The thickness of the main cabin 1 is 1/4~ 1/3; the transverse width of the buoyancy module 5 is 1.2 to 1.5 times the transverse width of the main cabin 1, and the longitudinal length is 0.4 to 0.6 times the longitudinal length of the main cabin 1.

As shown in Figure 2, the outer shell of the main cabin 1 is streamlined, which can effectively reduce the navigation resistance; the ratio of the transverse width to the longitudinal length of the main cabin is 0.8 to 1.2, and the height of the main cabin is 1/4 to 1/3 of the transverse width; Cameras 1-3 are installed in front of the main cabin 1, which can provide the camera function for divers; two handles 1-8 are installed above the main cabin. The angle of -8 forms a certain angle with the direction of the incoming flow, which is convenient for divers to grasp. The cross-sectional shape of the handle is: a, circle; b, ellipse; c, regular polygon. The handle surfaces are: a, smooth surface; b, granular bumps evenly distributed; c, striped surface; d, checkered surface.

Referring to Figures 2, 8 and 9, a battery 1-2 is installed in the main compartment 1 to provide electrical energy for the auxiliary thrusters, the battery 1-2 is located in the middle of the main compartment, and a motor is installed on the rear side of the battery 1-2 1-4 and the two-way hydraulic gear pump 1-5, the motor 1-4 provides power for the two-way hydraulic gear pump 1-5; at the same time, the two-way hydraulic gear pump 1-5 is connected with a hydraulic lock 1-6, and the hydraulic lock 1- 6. When the two-way hydraulic gear pump 1-5 stops rotating, the oil in the soft oil pipe 1-7 can be prevented from flowing back, and the vector propulsion mechanism 2 can be effectively and accurately turned. The motor 1-4, the bidirectional hydraulic gear pump 1-5 and the hydraulic lock 1-6 are the main compartment part of the hydraulic circulation system.

2, 5, 6 and 7, the vector propulsion mechanism 2 includes a cylindrical casing 2-2, a hemispherical LED lamp 2-1 is installed on the front side of the cylindrical casing 2-2, and the light provided by the hemispherical LED lamp 2-1 is provided The irradiation area is large, which can provide brighter light for underwater work and play, and the hemispherical design can reduce the resistance; a set of three-section vector tilting device 2-1 is arranged in the cylindrical shell 2-1 3. A corrugated tube 2-4 and a duct propeller 2-5 are arranged on the rear side of the cylindrical casing 2-2 in turn; the length of the vector propulsion mechanism 2 is consistent with that of the main cabin 1, and the cylindrical casing 2-2 of the vector propulsion mechanism 2 The diameter is 1/2 to 2/3 of the height of the main cabin 1 .

A three-section tilting device 2-3 is installed inside the vector propulsion mechanism 2. The three-section tilting device 2-3 includes a first section of pipeline 2-3-1, a second section of pipeline 2-3-2, and a third section of pipeline 2 -3-3, the first section of pipeline 2-3-1, the second section of pipeline 2-3-2, and the third section of pipeline 2-3-3 are connected in series along the axis of the three-section tilting device pipeline. The first section of pipe 2-3-1 is fixed inside the cylindrical shell 2-2 of the vector propulsion mechanism 2, the second section of pipe 2-3-2 and the third section of pipe 2-3-3 can be along the connecting surface 2-3 -7 rotates, the connecting surface 2-3-7 is circular, and forms an included angle β with the cross section of the pipeline, and the included angle β is 15°～22.5°; the three-section tilting device 2-3 passes through two The valve "C-ring" 2-3-8 is fastened, there is a gap between the two "C-rings" to allow the pipe to rotate, and the two "C-rings" 2-3-8 are fixed by bolts.

A two-way hydraulic motor 2-3-4 is installed on one end of the first section of the pipe 2-3-1 and the second section of the pipe 2-3-2 of the three-section tilting device 2-3, and the two-way hydraulic motor 2-3-4 is installed on the two-way hydraulic motor 2-3-4. There are driving gears 2-3-6; the second pipe 2-3-2 and the third pipe 2-3-3 are distributed with internal gears 2-3-5 at one end, and the second pipe 2-3-2 , The third section of the pipeline 2-3-3 is integrally formed with the installed internal gear 2-3-5; the third section of the pipeline 2-3-3 is fixedly connected with the duct propeller 2-5, and the two-way hydraulic motor 2-3 -4 The ducted propeller 2-5 is turned in different directions by driving the internal gear 2-3-5 to rotate; the ducted propeller 2-5 includes the propeller 2-5-1 and the duct 2 arranged on the outer periphery of the propeller 2-5-1 -5-2, which can improve the propeller propulsion efficiency; the ducted propeller 2-5 is driven and rotated by the driving motor 2-5-3, and the driving motor 2-5-3 is powered by the battery 1-2; the corrugated tube 2 -4 is in the shape of a circular cone-shaped shell, the larger opening end is sealed and connected to the rear side of the cylindrical shell 2-2, and the smaller opening end is sealed and connected to the drive motor 2-5-3 at the central axis of the ducted propeller, so that the vector propulsion mechanism 2 to form a closed space.

The material properties of the corrugated tubes 2-4 may be:

a, soft elastic material, such as polyethylene plastic, rubber plastic or rubber material;

b. Metal materials are mixed with soft materials, soft materials are used in flexible parts, and metal frames are used in anti-strength parts. Metal materials such as steel, aluminum alloy, carbon fiber materials, etc.

1, 3, and 4, the wave energy propulsion mechanism 4 includes a vertical connecting rod 4-1, a horizontal connecting rod 4-2, a front wing 4-3, and a tail wing 4-4; one end of the vertical connecting rod 4-1 is connected to the main The bottom of the cabin 1 is connected and fixed by bolts. The other end of the vertical connecting rod 4-1 is connected to the upper part of the front wing 4-3; Connection is fixed. The cross-sections of the vertical connecting rod 4-1 and the horizontal connecting rod 4-2 are circular or oval, the length of the vertical connecting rod 4-1 is 0.8 to 1 times the longitudinal length of the main cabin, and the length of the horizontal connecting rod 4-2 is It is 0.5 to 0.8 times the length of the vertical connecting rod. The front wing 4-3 is bow-shaped, the wingspan is 2.5 to 3 times the lateral width of the main cabin, and the maximum longitudinal arching distance is 1/10 to 1/8 of the wingspan; the rear wing 4-4 has the wingspan of the front wing 4-3 1/2～2/3 of the fins, the tail 4-4 is composed of two trapezoidal thin plates symmetrically distributed on the left and right sides, the wider side of the two thin plates is connected to the horizontal connecting rod, and the length of the wider side is the maximum arching distance of the front wing arch. 1/2 to 2/3 of .

The front wing 4-3 and the tail wing 4-4 are thin plates, both of which are bionic devices and have good hydrodynamic performance. The wave energy propulsion mechanism 4 can improve the comfort of the diver's manipulation, generate forward power, save the power of the propeller batteries 1-2, and increase the endurance of the auxiliary propeller. The materials used for the front wing 4-3 and the tail wing 4-4 have high strength and low rigidity, and have good elasticity, toughness and corrosion resistance. The optional materials are: a, rubber material; b, spring steel sheet covered with a layer of rubber film.

When the auxiliary propeller is navigating on the water surface, it is affected by waves and heaving motion, due to the arrival of the wave crest, the auxiliary propeller moves upward and drives the vertical connecting rod 4-1, so that the front wing 4-3 and the tail wing 4- The surface of 4 is bent downward by the action of the wave, and the water flow and the surface of the front wing 4-3 and the tail wing 4-4 form a certain angle of attack, so that the front wing 4-3 and the tail wing 4-4 are subject to the combined action of hydrodynamic lift and resistance. And the forward driving force is generated, and the same is true when the trough comes. During the pitching motion, assuming that the auxiliary propeller circles counterclockwise, the front wing 4-3 bends downward under the action of the wave, and after the surface of the front wing 4-3 forms a certain angle of attack with the water flow, the joint of hydrodynamic lift and resistance will occur. Under the action, a forward driving force is generated, and so is the tail 4-4. During the rolling motion, it is assumed that the auxiliary propeller is tilted clockwise, and the left wing is bent downward under the action of the wave, so that the water flow will form a certain angle of attack with the surface of the left wing, and the left wing will be forwarded by the combined action of hydrodynamic lift and resistance. the driving force of the right wing. Based on the above analysis, the auxiliary thruster can generate forward driving force regardless of heave, pitch and roll conditions.

The foregoing has shown and described the basic principles and main features of the present invention, as well as the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides an under water and surface of water auxiliary propulsor which characterized in that: the device comprises a main cabin, connecting wings, a vector propulsion mechanism, a wave energy propulsion mechanism and a buoyancy module;

the main cabin is provided with a streamline outer shell, and a camera is arranged in front of the main cabin; two handles are arranged above the main cabin, the handles are positioned at the middle rear part of the streamline shell of the main cabin and are symmetrically distributed, and the angle of each handle forms a certain included angle with the incoming flow direction; a battery is also arranged in the middle position in the interior of the main cabin and used for supplying power to the propeller;

the connecting wings are arranged at an included angle α with the horizontal direction of the main cabin, so that the connecting wings at the two sides are distributed in an inverted V shape;

the vector propulsion mechanism is fixedly connected to the outer end of each connecting wing and is lower than the main cabin; a set of hydraulic circulating system is arranged in the main cabin and the two sets of vector propulsion mechanisms, the hydraulic circulating system comprises a motor, a bidirectional hydraulic gear pump, a set of hydraulic lock and a plurality of soft oil pipes which are arranged in the main cabin, and the hydraulic circulating system also comprises a bidirectional hydraulic motor arranged in the vector propulsion mechanisms; the vector propulsion mechanism comprises a cylindrical shell, an LED lamp is arranged on the front side of the cylindrical shell, a three-section vector tilting device is arranged in the cylindrical shell, and a corrugated pipe and a ducted propeller are sequentially arranged on the rear side of the cylindrical shell;

the three-section type vector tilting device is integrally in a variable-section pipeline shape and consists of three sections of pipelines, wherein the first section of pipeline is fixed on the front side in the cylindrical shell, the connection surface between every two sections of pipelines is circular, and forms an included angle β with the cross section of the pipeline;

the wave energy propulsion mechanism is fixedly arranged right below the main cabin; the wave energy propulsion mechanism consists of a vertical connecting rod, a horizontal connecting rod, a front wing and a tail wing, the vertical connecting rod is positioned under the main cabin, one end of the vertical connecting rod is connected with the main cabin, and the other end of the vertical connecting rod is connected with the front wing; the horizontal connecting rod is perpendicular to the vertical connecting rod, one end of the horizontal connecting rod is connected with the front wing, and the other end of the horizontal connecting rod is connected with the rear wing;

the buoyancy module is in a cavity structure shell shape and is fixedly arranged right above the main cabin.

2. The underwater and surface assisted propulsion device of claim 1, further comprising: the ratio of the transverse width to the longitudinal length of the main cabin is 0.8-1.2, and the height of the main cabin is 1/4-1/3 of the transverse width.

3. The underwater and surface auxiliary thruster of claim 1, wherein the included angle α is 25-35 °.

4. The underwater and surface assisted propulsion device of claim 1, further comprising: the length of the vector propulsion mechanism is consistent with that of the main cabin, and the diameter of a cylindrical shell of the vector propulsion mechanism is 1/2-2/3 of the height of the main cabin.

5. The underwater and surface auxiliary thruster of claim 1, wherein the included angle β is 15-22.5 °.

6. The underwater and surface assisted propulsion device of claim 1, further comprising: the ducted propeller includes a propeller and a duct disposed at an outer periphery of the propeller.

7. The underwater and surface assisted propulsion device of claim 1, further comprising: the cross sections of the vertical connecting rod and the horizontal connecting rod are circular or oval, the length of the vertical connecting rod is 0.8-1 time of the longitudinal length of the main cabin, and the length of the horizontal connecting rod is 0.5-0.8 time of the length of the vertical connecting rod.

8. The underwater and surface auxiliary thruster of claim 1 or 7, wherein: the front wing is arched, the wingspan of the front wing is 2.5-3 times of the transverse width of the main cabin, and the longitudinal maximum arch distance is 1/10-1/8 of the wingspan.

9. The underwater and surface assisted propulsion device of claim 8, further comprising: the wing span of the tail wing is 1/2-2/3 of the front wing, the tail wing is formed by two trapezoidal thin plates which are distributed in a bilateral symmetry mode, the wider sides of the two thin plates are connected to the horizontal connecting rod, and the length of the wider side is 1/2-2/3 of the maximum arch distance of the arch shape of the front wing.

10. The underwater and surface auxiliary thruster of claim 1 or 7, wherein: the transverse width of the buoyancy module is 1.2-1.5 times of the transverse width of the main cabin, the longitudinal length of the buoyancy module is 0.4-0.6 times of the longitudinal length of the main cabin, the buoyancy module is attached to the main cabin and the connecting wings in the whole shape, and the buoyancy module is 1/4-1/3 of the main cabin in thickness.

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