CN205221060U - By small rail car driven one -half of a complete rotation blade marine propulsor - Google Patents

Abstract

The utility model provides a by small rail car driven one -half of a complete rotation blade marine propulsor, belongs to boats and ships technical field, including track, dolly, annular flat plate blade, traction lever, locating lever, shell and filter screen. The shell is enclosed by left side board, bottom plate, right side board and roof. The locating lever is vertical to be arranged and is close to left side board department in the middle part and the fixed mounting of the fore -and -aft direction of shell on the bottom plate of shell. Annular flat plate blade suit is on the locating lever, and the annular flat plate blade is perpendicular with the bottom plate of shell. The track is closed semi -circle, and track horizontal installation is below the roof, and orbital motion can be followed to the dolly under the drive of power. Install on the dolly upper end of traction lever, and the traction lever is vertical to be arranged, the hypomere of traction lever inserts in the annular flat plate blade. Dolly drive traction lever drives annular flat plate shape blade and do the half cycle motion in the shell, can produce " anxious opening " and " sumo " motion effect and the mirror effect of similar insect, produce very big thrust, and efficiency is higher.

Description

A semi-rotary blade ship propeller driven by rail trolley

technical field

The utility model relates to a semi-rotary blade ship propeller driven by a track trolley, which belongs to the technical field of ships, and in particular relates to a ship propeller.

Background technique

Most traditional ship propellers use 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 water enters and before the water exits, the water resistance is large and the thrust generated 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 above-mentioned deficiencies of traditional ship propulsion technology, and to invent a highly efficient semi-rotary blade ship propeller driven by rail cars.

The utility model relates to a semi-rotary blade ship propeller driven by a track trolley, which includes a track, a trolley, an annular flat plate blade, a draw bar, a positioning bar, a casing and a filter screen. The ring-shaped flat plate blade comprises the same curved body with the same thickness in the middle and thin ends at the two ends and two identical flat plates in the middle section. The aspect ratio of the annular flat blade is between 0.8 and 5, and the aspect ratio of the annular flat blade refers to the ratio of the height to the maximum width of the annular flat blade. The shell is surrounded by a left side board, a bottom board, a right side board and a top board, the left side board and the right side board are arranged vertically, and the bottom board and the top board are arranged horizontally. The positioning rod is located in the middle of the front and rear direction of the casing and is fixedly installed on the bottom plate of the casing near the left side plate. The positioning rod is arranged vertically, and the gap between the positioning rod and the left side plate is slightly larger than the outer diameter of the traction rod and the annular flat blade. The sum of the thicknesses of a flat plate. The gap between the two flat plates of the annular flat blade is slightly greater than the sum of the outer diameters of the positioning rod and the draw rod. The annular flat blade is set on the positioning rod and is located inside the casing, and the annular flat blade is perpendicular to the bottom plate of the casing. The height of the positioning rod is greater than two-thirds of the height of the annular flat blade, and the height of the draw bar is greater than three-fifths of the height of the annular flat blade. The track is a closed semicircle, and the track is installed horizontally under the top plate. The trolley is installed on the track, and the trolley can move along the track in a semicircle under the drive of power. The upper end of the drawbar is installed on the trolley, the drawbar is vertically arranged, and the lower section of the drawbar is inserted into the annular flat blade. In order to prevent sundries such as fish and aquatic plants from entering the housing, the filter screen is installed at the front end of the housing.

A kind of semi-rotary blade ship propeller driven by rail trolley of the present invention produces beneficial effect in this way: at first, the annular flat blade is in the foremost position, that is, the rear end inner wall of the annular flat blade is close to the positioning rod, and the front end of the annular flat blade is at At the front end, the left side of the annular flat blade is close to the right side of the left side plate of the shell, and the power-driven trolley starts to move. Looking down at the propeller of the present invention from top to bottom, the trolley drives the drawbar to move, because the drawbar is inserted into the annular flat plate Among the blades, limited by the track and the annular flat blade, the trolley drives the drawbar to make a semi-circular motion, and at the same time drives the annular flat blade to make a semi-circular motion in the casing, that is, after the annular flat blade rotates clockwise around the positioning rod for half a circle at the front position Arrive at the final position, then go straight to the front position, then the annular flat blade turns clockwise for half a circle around the positioning rod, and then goes straight to the front position, that is, it returns to the initial position. Next, the above process is repeated periodically. In this way, the annular flat plate blades will continuously introduce the water in the front into the casing and then push it to the rear to generate forward thrust. During the movement, the ring-shaped flat blades quickly open between the front and the left side panel of the shell and quickly close between the rear and the left side panel, producing the "jittery" and "sumo" movement effects similar to insects, and Due to the shackles of the shell, the movement of the annular flat blades in the shell also produces a mirror effect, which can generate a large thrust. 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.

In order to reduce the friction between the bottom of the annular flat blade and the upper surface of the bottom plate of the casing when the annular flat blade moves in the casing, the bottom of the annular flat blade is inlaid with anti-friction balls, or a wear-resistant flat gasket is placed on the positioning rod , The wear-resistant flat gasket is located on the upper surface of the bottom plate of the shell and is placed on the bottom of the annular flat blade; the density of the annular flat blade is between 1000~1600kg/m ³ .

In order to reduce the friction between the drawing rod and the positioning rod and the inner surface of the annular flat blade, the surroundings of the drawing rod and the positioning rod are inlaid with anti-friction balls or needles, or the surroundings of the drawing rod and the positioning rod are set with rollers or bearings.

In order to reduce the friction between the outer surface of the annular flat blade and the right side of the left side plate of the housing, 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 structure of the propeller is compact, so that the width of the annular flat blade is slightly smaller than the distance between the right side of the left side plate of the housing and the left side of the right side plate.

The trolley adopts an electric trolley, and the trolley and the track are connected by rolling wheels or teeth.

Description of drawings

Fig. 1 is a rear view schematic diagram of a semi-rotary blade ship propeller driven by a track trolley in the present invention; Fig. 2 is a top view schematic diagram of Fig. 1; Fig. 3 is a schematic diagram of the movement of the annular flat blade of the propeller of the present invention in the shell picture.

In the figure, 1-track; 2-trolley; 3-annular flat blade, 31-indicates that the annular flat blade is in the front position, 32-indicates that the annular flat blade is in a transverse position, 33-indicates that the annular flat blade is in the last position, 34-annular The direction of rotation of the flat blade; 35-the forward direction of the annular flat blade; 4-drawing rod; 5-positioning rod; Top plate; 7-sieve screen; 8-the advancing direction indication of propeller of the present invention.

detailed description

The present invention is described in conjunction with accompanying drawing now: a kind of semi-rotating blade ship propeller driven by track trolley, comprises track 1, trolley 2, annular plate blade 3, draw bar 4, positioning bar 5, shell 6 and filter screen 7. Annular flat plate blade 3 comprises the same arc-shaped body with the same thick middle and thin ends at both ends and two identical flat plates in the middle section. The aspect ratio of the annular flat blade 3 is 1.5; the density of the annular flat blade is 1100kg/m ³ . The shell 6 is surrounded by a left side plate 61, a bottom plate 62, a right side plate 63 and a top plate 64, the left side plate 61 and the right side plate 63 are arranged vertically, and the bottom plate 62 and the top plate 63 are arranged horizontally. Positioning rod 5 is in the middle part of the front and back direction of housing 6 and is fixedly installed on the bottom plate 62 of housing 6 near the left side plate 61, positioning rod 5 is vertically arranged, and the gap between positioning rod 5 and left side plate 61 is slightly larger than traction The sum of the outer diameter of the rod 4 and the thickness of a flat plate of the annular flat blade 3 . The gap between the two flat plates of the annular flat blade 3 is slightly greater than the sum of the outer diameters of the positioning rod 5 and the draw rod 4 . The annular flat blade 3 is sleeved on the positioning rod 4 and located inside the casing 6 , and the annular flat blade 3 is perpendicular to the bottom plate 62 of the casing 6 . The height of the positioning rod 4 is greater than two-thirds of the height of the annular flat blade 3 , and the height of the draw bar 4 is greater than three-fifths of the height of the annular flat blade 3 . The track 1 is a closed semicircle, and the track 1 is installed horizontally below the top plate 64. The dolly 2 is installed on the track 1, and the dolly 2 can move along the track 1 in a semicircle under the drive of power. The upper end of the drawbar 4 is installed on the dolly 2, the drawbar 4 is arranged vertically, and the lower section of the drawbar 4 is inserted in the annular flat plate blade 3. In order to prevent sundries such as fish and aquatic plants from entering the housing, the filter screen 7 is installed on the front end of the housing 6 .

The propeller of the present invention works like this: at first, the annular flat blade 3 is in the frontmost position, that is, the rear end inner wall of the annular flat blade 3 is close to the positioning rod 5, the front end of the annular flat blade 3 is at the front end, and the left side of the annular flat blade 3 The side is close to the right side of the left side plate 61 of the shell 6, and the power-driven trolley 2 starts to move. Looking down at the propeller of the present invention from top to bottom, the trolley 2 drives the drawbar 4 to move, because the drawbar 4 is inserted in the annular flat blade 3 Among them, limited by the track 1 and the annular flat blade 3, the trolley 2 drives the drawbar 4 to make a semi-circular motion, and at the same time drives the annular flat blade 3 to make a semi-circular motion in the casing 6, that is, the annular flat blade 3 is positioned around the front position Rod 5 rotates clockwise for half a circle and reaches the final position, then advances to the front position, and then the annular flat plate blade 3 rotates clockwise around the positioning rod 5 for half a circle, then advances to the front position, that is, returns to the initial position. Next, the above process is repeated periodically. In this way, the annular flat plate blade 3 will continuously introduce the water in the front into the casing 6 and then push it to the rear to generate forward thrust. During the movement, the annular flat blade 3 is quickly opened between the front and the left side plate 61 of the housing 6 and quickly closed between the back and the left side plate 61, resulting in "snap" and "sumo" similar to insects Movement effect, and due to the constraints of the casing 6, the movement of the annular flat plate blade 3 in the casing 6 also produces a mirror effect, which can produce a large thrust. 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.

Claims (5)

1. the half way around blade marine propeller driven by small rail car, is characterized in that: comprise track (1), dolly (2), ring plate blade (3), draw bar (4), radius stay (5), shell (6) and filter screen (7); Ring plate blade (3) comprises the thin arc body in the identical thick middle two ends at the two ends flat board identical with two pieces of stage casing; The ratio of the height to width ratio of ring plate blade (3) is between 0.8 ~ 5; Shell (6) is surrounded by left side board (61), base plate (62), right side board (63) and top board (64), and left side board (61) and right side board (63) are all longitudinally vertically arranged, base plate (62) and top board (64) horizontal arrangement; Radius stay (5) is in the middle part of the fore-and-aft direction of shell (6) and to be fixedly installed in the base plate (62) of shell upper near left side board (61) place, radius stay (5) is vertically arranged, the gap between radius stay (5) and left side board (61) is a bit larger tham the thickness sum of the external diameter of draw bar (4) and the one flat plate of ring plate blade (3); Gap between two pieces of flat boards of ring plate blade (3) is a bit larger tham radius stay (5) and both external diameter sums of draw bar (4); Ring plate blade (3) is sleeved on radius stay (5), and it is inner to be positioned at shell (6), and ring plate blade (3) is vertical with the base plate (62) of shell (6); The height of radius stay (5) is greater than 2/3rds of the height of ring plate blade (3), and the height of draw bar (4) is greater than 3/5ths of the height of ring plate blade (3); Track (1) is closed semicircle, and track (1) level is installed on below top board (64), and dolly (2) is arranged on track (1), and under the driving of power, dolly (2) can do half cycle motion along track (1); The upper end of draw bar (4) is arranged on dolly (2), and draw bar (4) is vertically arranged, the hypomere of draw bar (4) inserts in ring plate blade (3); Filter screen (7) is arranged on the front end of shell (6).

2. a kind of half way around blade marine propeller driven by small rail car according to claim 1, it is characterized in that: be the friction between the outside face of reduction ring plate blade (3) and the right flank of the left side board (61) of shell (6), the right flank of left side board (61) studs with antifriction ball or needle roller.

3. a kind of half way around blade marine propeller driven by small rail car according to claim 1, it is characterized in that: for reducing the friction between draw bar (4) and the inside face of radius stay (5) and ring plate blade (3), the surrounding of draw bar (4) and radius stay (5) all studs with antifriction ball or needle roller, or the surrounding of draw bar (4) and radius stay (5) is all set with cylinder or bearing.

4. a kind of half way around blade marine propeller driven by small rail car according to claim 1 or 2 or 3, it is characterized in that: for reduce ring plate blade (3) in the shell (6) during motion the bottom of ring plate blade (3) and the base plate (62) of shell (6) upper surface between friction, the bottom of ring plate blade (3) studs with antifriction ball, or the upper cover wear-resisting flat shim (51) of radius stay (5), the upper surface that wear-resisting flat shim (51) is positioned at the base plate (62) of shell (6) is padded on the bottom of ring plate blade (3); The density of ring plate blade (3) is at 1000 ~ 1600kg/m ³between.

5. a kind of half way around blade marine propeller driven by small rail car according to claim 1 or 2 or 3, is characterized in that: dolly (2) adopts motor-driven carrier, and dolly (2) and track (1) are connected by scroll wheel or tooth connects.