CN205221051U - Dull and stereotyped paddle of inner gearing impels ship - Google Patents

Abstract

The utility model provides a dull and stereotyped paddle of inner gearing impels ship, belongs to boats and ships technical field, including hull, engine, left propeller, right propeller and rudder. The power of engine passes through drive mechanism and transmits for left propeller and right propeller. The same left propeller of structure and right propeller symmetry in the left and right sides of hull. Right propeller is including fixing a position drive shaft, gear, taking dull and stereotyped paddle of serrated ring shape and shell. Fix a position drive shaft vertical layout in the right side of the left side of shell board, install on roof and bottom plate through the bearing respectively at both ends about it. That takes the dull and stereotyped paddle of serrated ring shape has round and gear engaged with tooth an interior week, takes the dull and stereotyped paddle suit of serrated ring shape in the drive shaft of location. Take the semicircular arc body's at the dull and stereotyped paddle both ends of serrated ring shape top to install the guide pulley. Under the roof of shell surface mounting semicircular guide rail. Power driven gear rotates, and under the restriction of guide rail and guide pulley, the semi -circular motion who takes the dull and stereotyped paddle of serrated ring shape to do the standard produces thrust, and efficiency is higher.

Description

A ship propelled by internal tooth meshing flat blades

technical field

The utility model relates to a ship propelled by flat paddles with internal teeth meshing, which belongs to the technical field of ships, and in particular relates to a ship propelled by flat paddles.

Background technique

Most propellers used in traditional ships are propellers. Although they are easy to drive, their efficiency is low. The manufacturing process of the blades is complicated, and wakes will be generated when they are used; After the leaf enters the water and before the water exits, the water resistance is relatively large and the thrust produced is very small, the energy loss is large, the efficiency is low, and the noise is large. Authorized notification number is the patent of CN100360378C, discloses a kind of bionic flat ship propeller, although efficiency is higher, structure is more complicated.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the traditional ship technology, and to invent a kind of high-efficiency internal tooth meshing plate blade propulsion ship.

A ship propelled by internal teeth meshing flat blades, including a hull, an engine, a left propeller, a right propeller and a rudder. The power of the engine is transmitted to the left propeller and the right propeller through the transmission mechanism. The rudder is installed at the stern of the ship and plays a role in controlling the direction of the ship. The left propeller and the right propeller have the same structure, and they are symmetrically installed on the left and right sides of the hull respectively. The specific structure of the right propeller is: the right propeller includes a positioning drive shaft, a gear, a toothed annular plate blade and a shell. The casing includes a left side board, a bottom board, a right side board and a top board, the left side board is vertically arranged, the right side board is parallel to the left side board, and the top board and the bottom board are arranged horizontally. The gear is mounted on the positioning drive shaft. The positioning drive shaft is vertically arranged on the right side of the left side plate of the casing, and the upper and lower ends of the positioning drive shaft are respectively mounted on the top plate and the bottom plate through bearings. The top end of the positioning drive shaft is connected with the engine through a transmission mechanism. The toothed annular flat paddle includes two parallel flat plates and semicircular arc bodies at both ends. The inner circumference of the toothed annular flat paddle has a ring of teeth that can mesh with the gear. The toothed annular flat paddle is installed in the shell And set on the positioning drive shaft. The maximum outer diameter of the gear is slightly smaller than the distance between the opposite tooth tips on two parallel flat plates of the toothed annular flat paddle. The left tooth of the gear meshes with the tooth of the toothed annular flat paddle on the left where the drive shaft is located. Guide wheels are installed on the top of the semicircular arc-shaped body at both ends of the toothed annular flat paddle. A guide rail is installed on the lower surface of the top plate of the shell, and the outer periphery of the guide rail is semicircular. The function of the guide rail is to limit the two guide wheels on the top of the toothed annular flat paddle to move only around the guide rail. Except for the area near the positioning drive shaft, the two guide wheels on the top of the toothed annular flat paddle at other positions Movement along the outer circumference of the guide rail. The gap between the positioning drive shaft and the left plate is just enough to ensure that the toothed annular plate paddle is on the left side of the positioning drive shaft and the outer surface of the left plate is attached to the right side of the left plate. The teeth of the paddle that are directly to the left of where the drive shaft is located are normally tightly meshed. The ratio of the height to the width of the toothed annular flat paddle, that is, the aspect ratio, is between 1 and 4.

In order to reduce the friction between the bottom of the toothed annular flat paddle and the upper surface of the bottom plate of the casing when the toothed annular flat paddle moves in the casing, the bottom of the toothed annular flat paddle is inlaid with anti-friction balls, or in the positioning A wear-resistant flat gasket is placed on the drive shaft, and the wear-resistant flat gasket is located on the upper surface of the bottom plate of the casing and is placed on the bottom of the toothed annular flat paddle; the density of the toothed annular flat paddle is slightly greater than the density of water. Its range is between 1050~1200kg/ ^m3 .

In order to reduce the friction between the outer surface of the toothed annular flat paddle and the right side of the left side plate of the casing, the right side of the left side plate is inlaid with anti-friction balls or needles.

In order to achieve high efficiency and energy saving, the width of the toothed annular flat paddle is slightly smaller than the distance between the right side of the left side plate and the left side of the right side plate; the height of the toothed annular flat paddle is slightly smaller than the lower surface of the guide rail The distance between the upper surface of the base plate.

In order to prevent sundries such as fish, aquatic plants and even silt from entering the casing, a filter screen is installed at the front end of the casing, or a filter screen is installed at the front end and the rear end.

A kind of internal tooth meshing plate paddle propelling ship of the present invention produces beneficial effect like this: drive the left propeller and the right propeller to work simultaneously by a group of engines. The right propeller works like this: At first, the toothed annular flat paddle is at the frontmost position in the longitudinal direction, that is, the teeth at the rear end of the toothed annular flat paddle are closely meshed with the gear, and the front end of the toothed annular flat paddle is at the front end, with The left side of the toothed ring plate paddle is close to the right side of the left side plate. The power to drive the propeller is input from the positioning drive shaft. Looking down at the propeller from top to bottom, the gear rotates clockwise to drive the toothed ring plate The paddle moves in a semi-circle inside the shell, that is, the toothed annular flat paddle rotates half a circle around the positioning drive shaft at the longitudinal front position and reaches the longitudinal final position, and then moves straight forward to the longitudinal front position, and then the toothed annular flat paddle Rotate half a circle clockwise around the positioning drive shaft again, and then move straight ahead to the longitudinal frontmost position, that is, get back to the initial position. Next, the above process is repeated periodically. In this way, the toothed annular flat paddle will continuously introduce the water in the front of the shell and then draw it to the rear to generate forward thrust. During the movement, the toothed ring-shaped flat paddle quickly opens between the front and left side panels and quickly closes between the back and left side panels, resulting in "jittery" and "sumo" movement effects similar to insects, Moreover, due to the limitation of the casing, the movement of the toothed annular flat plate blade in the casing also produces a mirror effect, which can generate a large thrust. Due to the limitation of the guide rail, the guide wheel can only move along the outer circumference of the guide rail, and the toothed annular flat paddle can make a very standard semi-circular motion. The propeller of the present invention includes, but is not limited to, the following advantages: small energy loss, high efficiency, and easy manufacture of blades, which does not produce obvious wakes like propeller propellers, and does not have serious water splashing like traditional paddle wheel propellers Phenomenon.

Description of drawings

Fig. 1 is a schematic top view of an internal tooth meshing flat blade propulsion ship of the present invention; Fig. 2 is a schematic left view of Fig. 1; Fig. 3 is a schematic rear view of an enlarged right propeller; Fig. 4 is a top view of Fig. 3 Schematic diagram; Figure 5 is a schematic diagram of the movement of the toothed annular flat blade of the right propeller in the housing; Figure 6 is a schematic diagram of the positional relationship between the guide rail and the guide wheel of the right propeller.

In the figure, A-hull, A1-bow, A2-stern; B-indicates the forward direction of the ship propelled by the internal tooth meshing flat blade; C-engine; D-left propeller; E-right propeller; F - Rudder. 1-positioning drive shaft; 2-gear; 3-toothed annular flat paddle, 31-indicates that the toothed annular flat paddle is in the longitudinal front position, 32-indicates that the toothed annular flat paddle is in the transverse position, 33-indicates belt The toothed annular flat paddle is in the longitudinal final position, 34-the rotation direction indication of the toothed annular flat paddle, the forward direction indication of 35-the toothed annular flat paddle, the teeth of 36-the toothed annular flat paddle; 4- Wear-resistant flat gasket; 5-guide rail; 6-shell, 61-left side board, 62-bottom board, 63-right side board, 64-top board; 7-filter screen; 9-guide wheel, 91-guide wheel along the guide rail Direction indication for circular motion, 92-direction for the guide wheel to move straight along the outer circumference of the guide rail, and 93-direction for the guide wheel to perform arc motion around the positioning drive shaft.

detailed description

The present invention is described now in conjunction with accompanying drawing: a kind of internal tooth meshing plate paddle propulsion ship, comprises hull A, engine C, left propeller D, right propeller E and rudder F. The power of the engine C is transmitted to the left propeller D and the right propeller E through the transmission mechanism. The rudder F is installed at the stern of the ship, and plays a role in controlling the sailing direction of the ship. The left propeller D and the right propeller E have the same structure, and they are symmetrically installed on the left and right sides of the hull A respectively. The concrete structure of right propeller E is: it comprises positioning drive shaft 1, gear 2, band tooth annular plate paddle 3 and shell 6. The casing 6 includes a left side plate 61, a bottom plate 62, a right side plate 63 and a top plate 64, the left side plate 61 is arranged vertically, the right side plate 63 is parallel to the left side plate 61, and the top plate 64 and the bottom plate 62 are arranged horizontally. A part of the right wall of the ship is directly used as the left side panel 61 of the casing 6 . The gear 2 is installed on the positioning drive shaft 1. The positioning drive shaft 1 is vertically arranged on the right side of the left side plate 61 of the casing 6, and the upper and lower ends of the positioning drive shaft 1 are respectively mounted on the top plate 64 and the bottom plate 62 through bearings, and the upper end of the positioning drive shaft 1 is exposed on the bottom of the casing 6. above. The top end of the positioning drive shaft 1 is connected with the engine C through a transmission mechanism. The toothed annular flat paddle 3 includes two parallel flat plates and semicircular arc bodies at both ends. The inner circumference of the toothed annular flat paddle 3 has a circle of teeth that can mesh with the gear 2. The toothed annular flat paddle 3 Installed in the housing 6 and sleeved on the positioning drive shaft 1. The aspect ratio of the toothed annular flat paddle 3 is 1.6:1, and the density of the toothed annular flat paddle 3 is 1050kg/m ³ . A friction-reducing wear-resistant flat gasket 4 is set on the positioning drive shaft 1, and the wear-resistant flat gasket 4 is located on the upper surface of the base plate 62 of the housing 6 and is placed on the bottom of the toothed annular flat paddle 3. The maximum outer diameter of the gear 2 is slightly smaller than the distance between the opposite tooth tips on two parallel flat plates of the toothed annular flat paddle 3 . The tooth on the left of the gear 2 meshes with the tooth on the left side of the positioning drive shaft 1 of the toothed annular flat paddle 3 . Guide wheel 9 is installed on the top of the semicircle-arc-shaped body at the two ends of toothed annular flat paddle blade 3. The guide rail 5 is installed on the lower surface of the top plate 64 of the housing 6, and the outer circumference of the guide rail 5 is semicircular. The function of the guide rail 5 is to limit the two guide wheels 9 on the top of the toothed annular flat paddle 3 to only move around the guide rail 5. Except for the area near the positioning drive shaft 1, the top of the toothed annular flat paddle 3 at other positions The two guide wheels 9 move along the outer circumference of the guide rail 5. The gap between the positioning drive shaft 1 and the left side plate 61 is just enough to ensure that the toothed annular flat paddle 3 is on the left side of the positioning drive shaft 1. The teeth are normally tightly meshed with the teeth on the left side of the positioning drive shaft 1 of the toothed annular flat paddle 3 . The front end of shell 6 is equipped with inclined filter screen 7.

The said internal gear meshing plate paddle propulsion ship works like this, the left propeller and the right propeller are simultaneously driven by a group of motors to work. The specific working principle of the right propeller is: at first, the toothed annular flat paddle 3 is at the longitudinal frontmost position, that is, the teeth at the rear end of the toothed annular flat paddle 3 are tightly meshed with the gear 2, and the front end of the toothed annular flat paddle 3 At the front end, the left side of the toothed annular flat paddle 3 is close to the right side of the left side plate 61, the power to drive the propeller is input from the top of the positioning drive shaft 1, and the propeller is viewed from top to bottom. The gear 2 rotates clockwise, driving the toothed annular flat paddle 3 to make a semi-circular motion in the housing 6, that is, the toothed annular flat paddle 3 rotates half a circle around the positioning drive shaft 1 at the longitudinal front position and reaches the longitudinal final position, and then straight Move forward to the most longitudinal position, and then the toothed annular flat paddle 3 rotates half a circle clockwise around the positioning drive shaft 1, and then advances straight to the most longitudinal position, that is, returns to the initial position. Next, the above process is repeated periodically. In this way, the toothed annular plate paddle 3 can continuously introduce the water in the front into the casing 6 and then draw it to the rear to generate forward thrust. During the movement, the toothed ring-shaped paddle 3 quickly opens between the front and the left side plate 61 and quickly closes between the back and the left side plate 61, resulting in "snap" and "sumo" similar to insects Movement effect, and due to the limitation of the casing 6, the movement of the toothed annular flat paddle 3 in the casing 6 also produces a mirror effect, which can produce a large thrust. Due to the limitation of the guide rail 5, the guide wheel 9 can only move along the outer circumference of the guide rail 5, and the toothed annular flat paddle 3 can move in a very standard semicircle. The operating principle of the left propeller is the same as that of the right propeller, and the operation of the left propeller and the right propeller is symmetrical, so that the internal teeth mesh with the flat blades to propel the ship to sail stably. Controlling the deflection angle of the rudder turns the boat.

If the power drives the positioning drive shaft 1 of the right propeller to rotate counterclockwise, the toothed annular flat paddle 3 will perform a semicircular motion counterclockwise. Similarly, the blade of the left propeller will perform a semicircular motion clockwise, and the left propeller and Both right propellers will generate backward thrust, causing the ship to retreat.

Claims (6)

1. internal tooth engages a dull and stereotyped blade boat, it is characterized in that: comprise hull (A), driving engine (C), left propelling unit (D), right propelling unit (E) and yaw rudder (F); The power of driving engine (C) passes to left propelling unit (D) and right propelling unit (E) by transmission device; Yaw rudder (F) is arranged on the afterbody of ship; Left propelling unit (D) is identical with right propelling unit (E) structure, and they are installed on the left and right sides of hull (A) symmetrically respectively; The concrete structure of right propelling unit (E) is: it comprises Locating driver axle (1), gear (2), band tooth ring plate blade (3) and shell (6); Shell (6) comprises left side board (61), base plate (62), right side board (63) and top board (64), and left side board (61) is longitudinally vertically arranged, right side board (63) is parallel with left side board (61), top board (64) and base plate (62) all horizontal arrangement; Gear (2) is arranged on Locating driver axle (1); Locating driver axle (1) is vertically arranged in the right side of the left side board (61) of shell (6), the two ends up and down of Locating driver axle (1) are arranged on top board (64) and base plate (62) respectively by bearing, and the top in shell (6) is exposed in the upper end of Locating driver axle (1); The top of Locating driver axle (1) is connected with driving engine (C) by transmission device; Band tooth ring plate blade (3) comprises the semi arch body at two pieces of parallel flat boards and two ends, the inner circumferential of band tooth ring plate blade (3) enclose the tooth that can be meshed with gear (2) with one, and it is interior and be sleeved on Locating driver axle (1) that band tooth ring plate blade (3) is arranged on shell (6); The tooth on the left side of gear (2) engages with the tooth being in the left side of Locating driver axle (1) of band tooth ring plate blade (3); Guide wheel (9) has been installed at the top of the semi arch body at band tooth ring plate blade (3) two ends; Top board (64) lower surface of shell (6) has installed guide rail (5), the periphery semicircular in shape of guide rail (5); The effect of guide rail (5) is that two guide wheels (9) at the top of check strap tooth ring plate blade (3) can only at the peripheral motor of guide rail (5), except Locating driver axle (1) near zone, two guide wheels (9) at the top of other band of position tooth ring plate blade (3) are along the peripheric movement of guide rail (5); Gap between Locating driver axle (1) and left side board (61) just guarantees that the tooth in right flank that the outside face being with tooth ring plate blade (3) to be in the left side of Locating driver axle (1) touch left side board (61) the positive left side of gear (2) simultaneously engages with being with the tooth tight normal being in the positive left side of Locating driver axle (1) of tooth ring plate blade (3).

2. a kind of internal tooth according to claim 1 engages dull and stereotyped blade boat, it is characterized in that: the ratio of the height to width ratio of band tooth ring plate blade (3) is between 1 ~ 4; The density range of band tooth ring plate blade (3) is at 1050 ~ 1200kg/m ³between

A kind of internal tooth according to claim 1 engages dull and stereotyped blade boat, it is characterized in that: the bottom of band tooth ring plate blade (3) studs with antifriction ball, or the upper cover wear-resisting flat shim (4) of Locating driver axle (1), the upper surface that wear-resisting flat shim (4) is positioned at the base plate (62) of shell (6) is padded on the bottom of band tooth ring plate blade (3).

3. a kind of internal tooth according to claim 1 engages dull and stereotyped blade boat, it is characterized in that: directly utilize a part for the right wall of ship as the left side board (61) of shell (6).

4. a kind of internal tooth according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade boat, it is characterized in that: the right flank of left side board (61) studs with antifriction ball or needle roller.

5. a kind of internal tooth according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade boat, it is characterized in that: the right flank that the width of band tooth ring plate blade (3) is less than left side board (61) to right side board (63) left surface between distance; The lower surface that the height of band tooth ring plate blade (3) is less than guide rail (5) to base plate (62) upper surface between distance.

6. a kind of internal tooth according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade boat, it is characterized in that: filter screen (7) has been installed in the front end of shell (6), or filter screen has all been installed in front-end and back-end.