CN204433002U - A kind of single-shot flat paddle leaf canoe - Google Patents

Abstract

A kind of single-shot flat paddle leaf canoe, belongs to technical field of ships, comprises hull, aft rudders, left propelling unit, right propelling unit, control system and power system.Power system comprises a driving engine and reduction gear apparatus.The left propelling unit left and right sides that be respectively arranged on hull identical with right propeller structure, parameter and principle of work.Right propelling unit comprises guide housing, main shaft, pivoted arm, center half gear and two rotating vane devices.Center half gear is fixed on below hull armour plate.Main shaft is vertically arranged, lower end and pivoted arm are connected.Each rotating vane device comprises nearly heart gear, heart gear far away and blade.The transmitting ratio of heart gear far away and nearly heart gears meshing is 1: 1.The transmitting ratio that nearly heart gear engages with center half gear is 1: 1.Blade remains in laterally vertically state and strikes backward, and keeps and reset before pivoted arm Vertical dimension.Do not have obvious tail during the work of this canoe, efficiency is high.To travel activity as marine communication means and physical culture.

Description

A single-engine flat paddle boat

technical field

A single-engine flat paddle boat belongs to the technical field of ships, and in particular relates to a flat paddle boat.

Background technique

Traditional ship propulsion devices mostly use propellers, although the drive is convenient, but the efficiency is low, the manufacturing process of the blades is complicated, and wakes will be generated when used; A half-turn mechanism flat-panel ship propulsion device with high efficiency, but only one position of the blade is perpendicular to the forward direction when paddling backwards, and the other positions are not at 90° to the forward direction. The generated component force is not helpful to the forward movement, and part of the energy is lost, so the efficiency is not too high.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned deficiency of traditional small boat, invent a kind of more efficient single-engine flat paddle boat.

The utility model relates to a single-engine flat paddle boat, which comprises a hull, a tail rudder, a left propeller, a right propeller, a control system and a power system. The hull is made of wood, fiberglass or carbon fiber composite. The tail rudder is controlled by the steering system to make the boat go straight or turn. The power system includes an engine and a reduction transmission device, the power of the engine is transmitted to the left propeller and the right propeller through the reduction transmission device, and the left propeller and the right propeller are driven to rotate at the same speed in opposite directions to generate thrust. The structure, parameters and working principle of the left propeller and the right propeller are the same, and they are symmetrically installed in the left gap and the right gap under the deck on the left and right sides of the hull respectively, and the engine and the reduction transmission device are installed on the deck in the middle and rear of the hull .

The specific structure of the right propeller is: it includes a guide cover, a main shaft, a rotating arm, a central half-toothed gear, and two rotating shafts of the same structure that are distributed on both sides of the central half-toothed gear and meshed with the central half-toothed gear and installed on the rotating arm. leaf device. The central half-tooth gear is a toothed gear with only half a circle. It is fixedly installed under the deck above the right gap and protrudes to the right. The toothed half circle of the central half-tooth gear faces right, the toothless half circle faces left, and the toothless half circle faces left. The edge radius of the half circle is smaller than the tooth valley radius of the toothed half circle, so as to avoid the toothless half circle of the central half tooth gear when the teeth of the near-center gear of the rotary vane device pass by. The main shaft is arranged vertically. The middle section of the main shaft is connected to the center hole of the central half-tooth gear through a bearing. The main shaft can rotate flexibly in the center hole of the central half-tooth gear. The center of the arm, the upper end of the main shaft is connected with the transmission device of the power system, and the power is input from the upper end of the main shaft. Each rotating blade device includes a near-center gear, a telecentric gear and paddles. The blades are rigid rectangular flat blades. The middle part of the two left and right bus bars of the blade is equipped with a friction-reducing roller that can flexibly roll for reducing the sliding friction of the left and right ends of the blade against the inner wall of the guide cover. The lower section of the rotating shaft of the telecentric gear is installed on the distal end of the rotating arm through a bearing, and the lower end of the rotating shaft of the telecentric gear is fixedly connected with the paddle at the center of the upper end of the paddle. The blades are vertically arranged and perpendicular to the telecentric gear. The near-heart gear is positioned between the central half-tooth gear and the telecentric gear, and the rotating shaft of the near-heart gear is installed in the middle between the center and the tip of the rotating arm through a bearing. The telecentric gear on the same rotating blade device meshes with the near-central gear, and its transmission ratio is 1:1. When the two near-center gears are on the right side of the main shaft, they all mesh with the central half-tooth gear, and their meshing transmission ratio is 1:1. The guide cover is in the shape of a semicircle, and is fixedly installed on the hull on the left side. The inner wall of the guide cover is a smooth arc-shaped surface with the axis of the main shaft as the center line. The radius of the arc is just right so that when the blade is running on the left side of the main shaft, the anti-friction rollers at the left and right ends of the blade can cling to the guide cover at the same time The inner wall rolls to ensure that the blade remains perpendicular to the boom as it travels from rearmost to forwardmost on the left side of the main shaft. When assembling the right propeller, make sure that the right blade is in the horizontal vertical position when the boom is in the horizontal horizontal position. Because on the right side of the main shaft, the transmission ratio of the telecentric gear and the central half-tooth gear is 1:1, and the central half-tooth gear is fixed, any position of the blade on the right side of the main shaft will remain in a horizontal and vertical state. On the left side of the main shaft, the central half-toothed gear has no teeth, and the blade is kept perpendicular to the rotating arm by the constraint of the guide cover.

The working principle of this single-engine flat paddle boat is: start the engine, drive the left propeller and the right propeller to rotate, and look down on the boat from top to bottom. Driven by the power, the main shaft of the right propeller is Clockwise rotation drives the rotating arm of the right propeller to rotate clockwise. On the right side of the longitudinal vertical plane of the main shaft of the right propeller, the paddle of the right propeller rotates counterclockwise under the drive of the telecentric gear of the right propeller and strokes backwards in a horizontal and vertical state; The left side of the longitudinal vertical plane of the main shaft of the propeller is restricted by the guide cover of the right propeller, and the blade of the right propeller remains vertically reset forward with the rotating arm of the right propeller. In the same way, driven by the power, the main shaft of the left propeller rotates counterclockwise, which drives the rotating arm of the left propeller to rotate counterclockwise. On the left side of the longitudinal vertical plane of the main shaft of the left propeller, the paddle of the left propeller rotates clockwise under the drive of the telecentric gear of the left propeller and strokes backwards while maintaining a horizontal and vertical state; The right side of the longitudinal vertical plane of the main shaft of the propeller is restricted by the guide cover of the left propeller, and the blade of the left propeller remains vertically reset forward with the rotating arm of the left propeller. Manipulating the deflection of the aft rudder turns the boat.

The advantages of the present invention are: a single-engine flat paddle boat of the invention does not produce obvious wakes like the propeller propeller when it works, has no large splashes, and the blade is easy to manufacture; Mechanism propulsion device has high efficiency. One engine is used as power, the structure is simple, and the manufacturing cost is low.

It is very convenient for the small boat to be used as a means of water transportation and for sports and recreational activities.

Description of drawings

Fig. 1 is a schematic top view of a single-engine flat paddle boat of the present invention; Fig. 2 is an enlarged schematic view of the right propeller in Fig. 1; Fig. 3 is a schematic rear view of the right propeller of Fig. 2; Fig. 4 is a schematic view of the right propeller of Fig. 2 An enlarged schematic view of the central half-toothed gear in .

In the figure, 1-hull, 11-bow, 12-stern, 13-left gap, 14-right gap; 2-tail rudder; 3-left propeller; 4-right propeller, 41-guiding cover, 42 -Main shaft, 43-rotary arm, 44-central half-tooth gear, 441-tooth half circle, 442-toothless half circle, 443-central hole of central half-tooth gear, 45-rotary vane device, 451-near heart gear, 452 -telecentric gear, 453-blade, 454-anti-friction roller; 5-power system.

Detailed ways

Now in conjunction with accompanying drawing 1～4 the present invention is described in detail.

A single-engine flat paddle boat includes a hull 1, a tail rudder 2, a left propeller 3, a right propeller 4, a control system and a power system 5. The hull 1 is made of wood, fiberglass or carbon fiber composite material. The tail rudder 2 is manipulated by the control system to make the boat go straight or turn. The power system 5 includes an engine and a reduction transmission device, the power of the engine is transmitted to the left propeller and the right propeller through the reduction transmission device, and the left propeller and the right propeller are driven to rotate at the same speed in opposite directions to generate thrust. The engine uses an electric motor powered by a lithium battery. The left propeller 3 and the right propeller 4 have the same structure, parameters and working principle, and are respectively installed symmetrically in the left gap 13 and the right gap 14 under the deck on the left and right sides of the hull 1, and the engine and the reduction transmission device are installed in the hull 1. On the middle rear deck.

The concrete structure of right propeller 4 is: it comprises guide cover 41, main shaft 42, rotating arm 43, central half-toothed gear 44 and is distributed in central half-toothed gear 44 both sides and central half-toothed gear 44 meshes and is installed on rotating arm 43 Two rotating vane devices 45 of the same structure on the top. Central half-toothed gear 44 is a toothed gear that has only half circle, and it is fixedly installed on the hull 1 above the right gap 14 below the deck protruding to the right. 442 towards the left, the edge radius of the toothless semicircle 442 is less than the tooth valley radius of the toothed semicircle 441, so as to avoid the toothless semicircle 442 of the central semitooth gear 44 when the teeth of the near-center gear 451 of the rotating vane device 45 pass by. The main shaft 42 is vertically arranged, and the middle section of the main shaft 42 is connected to the central hole of the central half-tooth gear 44 by bearings and the central half-tooth gear 44, and the main shaft 42 can flexibly rotate in the central hole 443 of the central half-tooth gear 44; The lower end is fixedly connected to the center of the rotating arm 43 with the rotating arm 43 , the upper end of the main shaft 42 is connected with the transmission device of the power system 5 , and the power is input from the upper end of the main shaft 42 . Each blade device 45 includes a near-center gear 451 , a telecentric gear 452 and paddles 453 . The paddle 453 is a rigid rectangular flat blade made of carbon fiber material. The left and right sides of the two busbars of the paddle 453 are equipped with anti-friction rollers 454 that can flexibly roll in order to reduce the left and right ends of the paddle 453 against the sliding friction of the inner wall of the guide cover 41 . The lower section of the rotating shaft of the telecentric gear 452 is installed on the distal end of the rotating arm 43 by a bearing, and the lower end of the rotating shaft of the telecentric gear 452 and the paddle 453 are fixedly connected at the center of the upper end of the paddle 453 . The blades 453 are vertically arranged and perpendicular to the telecentric gear 452 . The near heart gear 451 is located between the central half tooth gear 44 and the telecentric gear 452, and the rotating shaft of the near heart gear 451 is installed in the middle between the center and the tip of the rotating arm 43 through a bearing. The telecentric gear 452 on the same rotating vane device 45 meshes with the proximal gear 451, and its transmission ratio is 1:1. When the two near-heart gears 451 are on the right side of the main shaft 42, they all mesh with the central half-tooth gear 44, and their meshing transmission ratio is 1:1. The guide cover 41 is in the shape of a semicircle, and is fixedly installed on the hull 1 on the left. The inner wall of the guide cover 41 is a smooth arc-shaped surface with the axis of the main shaft 42 as the centerline. It can roll close to the inner wall of the guide cover 41 at the same time, ensuring that the paddle 453 is always perpendicular to the rotating arm 43 when the left side of the main shaft 42 runs from the rearmost position to the foremost position. When assembling the right propeller 4, ensure that the paddle 453 on the right side is in the horizontal vertical position when the pivoting arm 43 is in the horizontal horizontal position. Because on the right side of the main shaft 42, the transmission ratio of the telecentric gear 452 and the central half-toothed gear 44 is 1:1, and the central half-toothed gear 44 is fixed, any position of the paddle 453 on the right side of the main shaft 42 will remain in the landscape vertical state. The central half-toothed gear 44 on the left side of the main shaft 42 has no teeth, and is restricted by the guide cover 41 , the paddle 453 will remain perpendicular to the rotating arm 43 .

The working principle of this single-engine flat rowing paddle boat is: start the engine, drive the left propeller 3 and the right propeller 4 to rotate, look down at the boat from top to bottom, under the drive of power, the right propeller 4 The main shaft 42 rotates clockwise, drives the rotating arm 43 of right propeller 4 to rotate clockwise. On the right side of the longitudinal vertical plane of the main shaft 42 of the right propeller 4, the paddle 453 of the right propeller 4 is driven by the telecentric gear 452 of the right propeller 4 and rotates counterclockwise to maintain a horizontal vertical state and stroke backwards. Water; on the left side of the longitudinal vertical plane of the main shaft 42 of the right propeller 4, subject to the constraint of the guide cover 41 of the right propeller 4, the blade 453 of the right propeller 4 remains with the rotating arm 43 of the right propeller 4 Return vertically forward. In the same way, driven by the power, the main shaft of the left propeller 3 rotates counterclockwise, which drives the pivoting arm of the left propeller 3 to rotate counterclockwise. On the left side of the longitudinal vertical plane of the main shaft of the left propeller 3, the blade of the left propeller 3 is driven by the telecentric gear of the left propeller 3 and rotates clockwise to maintain a horizontal and vertical state and strokes backwards; Pass the right side of the longitudinal vertical plane of the main shaft of left propeller 3, be subjected to the constraint of the guide cover of left propeller 3, the blade of left propeller 3 keeps and the rotating arm of left propeller 3 vertically resets forward. Manipulating the deflection of the tail rudder 2 turns the boat.

Claims (5)

1. A single-engine flat paddle boat, including a hull (1), aft rudder (2), a left propeller (3), a right propeller (4), a control system and a power system (5), its characteristics That is: the power system (5) includes an engine and a reduction transmission device, the power of the engine is transmitted to the left propeller and the right propeller through the reduction transmission device; the structures, parameters and parameters of the left propeller (3) and the right propeller (4) The working principle is the same, and they are symmetrically installed in the left gap (13) and the right gap (14) under the deck on the left and right sides of the hull (1); The concrete structure of right propeller (4) is: it comprises guide cover (41), main shaft (42), pivoting arm (43), center half-tooth gear (44) and is distributed in center half-tooth gear (44) both sides and The central half-tooth gear (44) meshes and is installed on two rotating vane devices (45) of the same structure on the rotating arm (43); Below the deck that the hull (1) on the right gap (14) stretches out to the right, the band toothed half cycle (441) of the center half tooth gear (44) is towards the right, the toothless half cycle (442) is towards the left, and the toothless half cycle ( The edge radius of 442) is smaller than the tooth valley radius of the toothed half cycle (441); the main shaft (42) is vertically arranged, and the middle section of the main shaft (42) is connected to the central half tooth gear (44) through a bearing and the central half tooth gear (44) In the center hole of the center, the main shaft (42) can rotate flexibly in the center hole (443) of the central half-tooth gear (44); the lower end of the main shaft (42) is fixedly connected to the center of the rotating arm (43) , the upper end of the main shaft (42) is connected with the transmission device of the power system (5), and the power is input from the upper end of the main shaft (42); each rotating vane device (45) includes a proximal gear (451), a telecentric gear (452) and the blade (453); the blade (453) is a rigid rectangular flat blade; the lower section of the shaft of the telecentric gear (452) is installed on the end of the rotating arm (43) through a bearing, and the lower end of the shaft of the telecentric gear (452) is connected to the paddle The blade (453) is fixedly connected to the center of the upper end of the paddle (453); the paddle (453) is arranged vertically and is perpendicular to the telecentric gear (452); ) and the telecentric gear (452), the shaft of the proximal gear (451) is installed in the middle between the center and the tip of the rotary arm (43) through a bearing; the telecentric gear ( 452) meshes with the near-center gear (451), and its transmission ratio is 1:1; when the two near-center gears (451) are on the right side of the main shaft (42), they mesh with the central half-tooth gear (44), and their meshing transmission The ratio is 1:1; the guide cover (41) is in the shape of a semicircle, and is fixedly installed on the hull (1) on the left; the inner wall of the guide cover (41) is a smooth arc with the axis of the main shaft (42) as the center line The radius of the arc is just enough to make the left and right ends of the blade (453) cling to the inner wall of the guide cover (41) at the same time when the blade (453) runs on the left side of the main shaft (42), ensuring that the blade (453) ) is always kept perpendicular to the rotating arm (43) when the left side of the main shaft (42) runs from the rearmost position to the foremost position; when the rotating arm (43) is in a horizontal horizontal position, the right blade (453) is horizontally vertical Location. 2. A single-engine flat rowing paddle boat according to claim 1, characterized in that: the hull (1) is made of wood, fiberglass or carbon fiber composite materials. 3. A single-engine flat rowing paddle boat according to claim 1, characterized in that: the engine adopts an electric motor powered by a lithium battery. 4. A single-engine flat rowing paddle boat according to claim 1, characterized in that: all the paddles are made of carbon fiber materials. 5. A single-engine flat rowing paddle boat according to claim 1, characterized in that: the middle part of the left and right sides of the two busbars of the paddle (453) is installed to reduce the close contact between the left and right ends of the paddle (453). The anti-friction roller (454) that can flexibly roll due to the sliding friction on the inner wall of the guide cover (41); 453) The anti-friction rollers (454) at the left and right ends can roll tightly against the inner wall of the guide cover (41) simultaneously.