WO2014086221A1 - Floating-type propeller with helical cavity and ship equipped with propeller - Google Patents

Abstract

Disclosed are a floating-type propeller (P) with a helical cavity and a ship equipped with the propeller, the propeller (P) comprising a helical cavity (4), wherein a shaft hole is provided on the central axis of the helical cavity (4); and a multi-linear helical blade (1) is provided on the outer peripheral face of the helical cavity (4), the interior of the helical blade (1) being provided with a helical blade cavity (2). The ship comprises a ship hull (12), a tail rudder (14), a power device (13) and a transmission mechanism (16), wherein the tail rudder (14) is mounted at the tail end of the ship hull (12), the power device (13) is mounted on the ship hull (12), two floating-type helical cavity propellers (P) which are parallel to each other and arranged one behind the other in an axial direction, are symmetrically mounted on two lower sides of the ship hull (12); main shafts (6) of the floating-type helical cavity propellers (P) are rotatably connected to the lower faces of the ship hull (12) by means of brackets (17); and one end of each main shaft (6) is in transmission connection with the power device (13) via the transmission mechanism (16). This propeller (P) has a simple structure and is sealed completely, both buoyancy and motive power can be generated simultaneously, the resistance force of water vehicles can be reduced greatly, and the travelling speed of the water vehicles is increased. Hence, energy and manual labour are saved.

Description

 Floating spiral cavity thruster and ship equipped with the same

Technical field

 The invention relates to a floating type spiral cavity propeller and a ship equipped with the propeller, which can be used for a surface vehicle or a small cruise ship. Background technique

 At present, the general surface vehicle has a large resistance on the water surface, and the driving has to overcome this resistance, affecting the driving speed and wasting power energy. Summary of the invention

 The object of the present invention is to: to overcome the above-mentioned deficiencies, to provide a floating type spiral cavity propeller and a ship equipped with the propeller, which overcomes the shortcomings of the resistance of the surface vehicle, thereby improving the traveling speed of the surface vehicle and saving power. energy.

 The technical solution of the present invention is: a floating type spiral cavity propeller, comprising: a spiral cavity, a conical apex at a front end of the spiral cavity; and an axial hole in the axial center of the spiral cavity, A key groove is disposed inside the shaft hole; a single-line or multi-line spiral blade is disposed on an outer circumferential surface of the spiral cavity, and a spiral blade cavity is disposed inside the spiral blade.

 The shaft holes are through holes or blind holes provided at both ends of the spiral cavity.

 The spiral cavity and the multi-line spiral blade are divided into a plurality of sections, and the strings are butted together on a main shaft, and the spiral end body of each section and the spiral blade cavity are provided with sealing end plates at both ends thereof, in the main shaft The outer peripheral surface is provided with a spline; the key groove on the inner side of the shaft hole is a spline groove engaged with the spline.

A plurality of circumferentially distributed radial spiral cavity reinforcing plates are disposed inside the spiral cavity. Provided inside the spiral blade cavity with a spiral blade connected between each side surface to reinforce a ship equipped with the floating spiral cavity propeller, including a hull, a rudder, and a power The device and the transmission mechanism are installed at the tail end of the hull, and the power device is mounted on the hull. The utility model is characterized in that: two floating sides are arranged symmetrically on the lower side of the hull, and the axial direction is arranged front and rear. a spiral cavity propeller, wherein a main shaft of the floating spiral cavity propeller or a short shaft connected to both ends of the shaft hole is rotatably connected to a lower end of the bracket, and an upper end of the bracket is connected to the lower side of the hull; one end of the main shaft The transmission mechanism is connected to the power unit via the transmission mechanism.

 Two of the brackets are respectively connected at both ends of the floating spiral cavity thruster.

 Two of the brackets are respectively connected to the middle of the floating spiral cavity pusher.

 Two said brackets are respectively connected to the front part of the floating spiral cavity propeller and the power device described later is an electric motor, an internal combustion engine or a pedal type human machine, and the transmission mechanism is a gear transmission mechanism or Chain drive mechanism.

 The invention has the advantages that: the invention has the advantages of simple structure, complete sealing, buoyancy generating power at the same time, greatly reducing the resistance of the surface vehicle and improving the running speed of the surface vehicle. Save energy and manpower. DRAWINGS

 Figure 1 is a schematic cross-sectional structural view showing a first embodiment of the floating type spiral cavity propeller of the present invention;

 Figure 2 is a schematic cross-sectional structural view showing a second embodiment of the floating type spiral cavity propeller of the present invention;

 Figure 3 is a schematic cross-sectional structural view showing a third embodiment of the floating type spiral cavity propeller of the present invention;

 Figure 4 is a schematic cross-sectional structural view showing a fourth embodiment of the floating type spiral cavity propeller of the present invention;

 Figure 5 is a front view of a section of Figure 3 or Figure 4 (excluding the front end section);

Figure 6 is a cross-sectional view taken along line AA of Figure 5; Figure 7 is a left side view of Figure 5;

 Figure 8 is a cross-sectional view taken along line B-B of Figure 7;

 Figure 9 - Figure 11 is a cross-sectional view of three different configurations of the spiral cavity propeller;

 Figure 12 is a general view of a first embodiment of a ship equipped with a floating type spiral cavity propeller of the present invention;

 Figure 13 is a general view of a second embodiment of a ship equipped with a floating type spiral cavity propeller of the present invention;

 Figure 14 is a right side view of Figure 12;

 Figure 15 is a schematic view showing the structure of a ship using the power unit of the pedal type human power machine of the present invention. detailed description

 Referring to FIG. 1 to FIG. 11, a floating type spiral cavity propeller P includes a spiral cavity 4, and a conical tip 21 is disposed at a front end of the spiral cavity 4; and an axial center of the spiral cavity 4 is disposed. a shaft hole having a key groove (such as a spline groove 8 or a key groove) on the inner side of the shaft hole; a single or multi-thread spiral blade 1 on the outer circumferential surface of the spiral cavity 4 (similar to a single thread and a multi-thread thread, a helix) Numeral 1-100), the inside of the spiral blade 1 is provided with a spiral blade cavity 2.

 The floating spiral cavity pusher P in Fig. 1 is a whole, and the shaft hole is a through hole 3 penetrating through the two ends of the entire floating spiral cavity pusher P.

 The floating type spiral cavity pusher P in Fig. 2 is also a whole, and the shaft hole is a blind hole 5 provided at both ends of the entire floating type spiral cavity pusher P.

 Referring to FIG. 3 to FIG. 11, the spiral cavity 4 and the multi-line spiral blade 1 (ie, the whole of the floating spiral cavity propeller P shown in FIG. 1) are divided into a plurality of sections, and are serially arranged on a spindle 6. Docked together, a sealed end plate 9 is disposed at both ends of each of the spiral cavity 4 and the spiral blade cavity 2, and a spline is disposed on an outer circumferential surface of the main shaft 6; a key groove inside the shaft hole is The spline fits the spline groove 8.

 The short shaft 7 can be connected to one or both ends of the spindle 6.

A plurality of circumferentially distributed radial spiral cavities may be disposed inside the spiral cavity 4 Strong board 10 (see Figure 10 and Figure 11).

 It is also possible to provide a spiral blade reinforcing plate 11 (see Fig. 11) connected between the respective sides inside the spiral blade cavity 2.

 Both sides of the spiral blade 1 are symmetrical inclined faces (see Fig. 6, Fig. 10 and Fig. 11), or both sides are asymmetrical, and the tip end of the spiral blade 1 is bent to one side (see Fig. 9).

 Referring to Figures 12-15, a ship equipped with the floating type spiral cavity propeller of the present invention includes a hull 12, a rudder 14, a power unit 13, and a transmission mechanism 16, and the rudder 14 is mounted at the rear end of the hull. The power unit 13 is mounted on the hull 12. Two floating parallel spiral cavity propellers P are arranged symmetrically on the lower sides of the hull 12, and the shafts 6 or the connecting shafts of the floating spiral cavity propellers P are connected symmetrically. The short shaft 7 at both ends of the shaft hole is rotatably connected to the lower end of the bracket 17 via a bearing 15, and the upper end of the bracket 17 is connected to the lower surface of the hull 12; the short shaft 7 of one end of the main shaft 6 passes through the transmission mechanism 16 The power unit 13 is drivingly connected.

 Two of the brackets 17 are respectively attached to the front and rear ends of the floating spiral cavity pusher P (see Fig. 12).

 Or two of the brackets 17 are respectively connected to both ends of the floating spiral cavity pusher P (see Fig. 13).

 Or two of the brackets 17 are respectively connected to the middle of the floating spiral cavity pusher P (see Fig. 15).

 The power unit 13 can be an electric motor, an internal combustion engine or a pedal-type manpower machine (such as a bicycle-like pedal 20, a crank, a wheel 22, and a transmission mechanism 16 for a chain and a flywheel). The transmission mechanism 16 is a gear transmission mechanism (such as two intermeshing bevel gears) or a chain transmission mechanism.

The pedal-type manpower machine is shown in Fig. 15, similar to a water bicycle, with a pedal 20, a crank, a wheel 22, a seat 18 and a handlebar 19, and the transmission mechanism 16 is a chain and a flywheel (same as a bicycle), in the flywheel The necessary gears or chain drive transmissions are added between the main shafts 6, as long as the main shaft 6 is rotated by the chain drive (belonging to the conventional technology). Use the handlebar 19 to control the rudder 14 through the pull wire and the pull rod (often Regulation technology).

 Mark 23 in the figure is the waterline of the ship.

 When the ship of the present invention is in operation, the power unit 13 drives the main shaft 7 to rotate by the transmission mechanism 16. The main shaft 7 drives the floating type spiral cavity propeller P to rotate, and the blade 1 of the floating type spiral cavity propeller P rotates in the water to generate forward. Or the backward force, pushing the hull 12 forward or backward, and using the tail rudder 14 to control the navigation direction of the ship.

Claims

claims 1. A floating spiral cavity propeller, characterized by: including a spiral cavity with a conical tip at the front end of the spiral cavity; an axis hole at the axis center of the spiral cavity, and an axis hole at the center of the spiral cavity. A keyway is provided on the inside; a single-line or multi-line spiral blade is provided on the outer peripheral surface of the spiral cavity, and a spiral blade cavity is provided inside the spiral blade. 2. The floating spiral cavity propeller according to claim 1, characterized in that: the shaft hole is a through hole or a blind hole provided at both ends of the spiral cavity. 3. The floating spiral cavity propeller according to claim 1, characterized in that: the spiral cavity and multi-line spiral blades are divided into multiple sections, which are connected in series on a main shaft, and each section is The two ends of the spiral cavity and the spiral blade cavity are provided with sealed end plates, and the outer peripheral surface of the main shaft is provided with splines; the keyway inside the shaft hole is a spline groove that cooperates with the splines. 4. The floating spiral cavity propeller according to claim 1, characterized in that: a plurality of radial spiral cavity reinforcement plates evenly distributed around the circumference are provided inside the spiral cavity. 5. The floating spiral cavity propeller according to claim 4, characterized in that: a spiral blade reinforcing plate connected between each side is provided inside the spiral blade cavity. 6. A ship equipped with the floating spiral cavity propeller, including a hull, a stern rudder, a power device and a transmission mechanism. The stern rudder is installed at the rear end of the hull, and the power device is installed on the hull. It is characterized by: Two floating spiral cavity propellers are symmetrically installed on both sides of the lower surface of the hull and are parallel to each other and arranged in the axial direction front and back. The main shaft of the floating spiral cavity propeller is connected to both sides of the shaft hole. The short shaft at the end is rotatably connected to the lower end of the bracket, and the upper end of the bracket is connected to the bottom of the hull; one end of the main shaft is drivingly connected to the power device through the transmission mechanism. 7. The ship according to claim 6, characterized in that: the two brackets are respectively connected to both ends of the floating spiral cavity propeller. 8. The ship according to claim 6, characterized in that: the two brackets are respectively connected to the middle part of the floating spiral cavity propeller. 9. The ship according to claim 6, characterized in that: the two brackets are respectively connected to The front and rear ends of the floating spiral cavity propeller. 10. The ship according to claim 6, characterized in that: the power device is an electric motor, an internal combustion engine or a pedal-operated human machine, and the transmission mechanism is a gear transmission mechanism or a chain transmission mechanism.