CN205221072U - Take dull and stereotyped paddle marine propulsion means of external tooth meshing of guide pulley - Google Patents

Abstract

The utility model provides a take dull and stereotyped paddle marine propulsion means of external tooth meshing of guide pulley, belongs to boats and ships technical field, includes the gear, takes the dull and stereotyped paddle of serrated ring shape, location axle, square pipe shape shell and filter screen. The gear is installed in the left side of square pipe shape shell, gear shaft vertical layout, and location axle is parallel with the gear shaft, and the location spool arranges in the right side of the left side of square pipe shape shell board, fixes a position under epaxial both ends and passes through the bearing and install respectively on roof and bottom plate. The outer paripheral zone of taking the dull and stereotyped paddle of serrated ring shape has round ability and gear engaged with tooth. Take the semicircular arc body's at the dull and stereotyped paddle both ends of serrated ring shape bottom and top all to install the guide pulley respectively. Last guide rail and lower guideway have been installed respectively to the roof lower surface of square pipe shape shell and the upper surface of bottom plate. Power driven gear rotates and takes the dull and stereotyped paddle of serrated ring shape to make semi -circular motion in the square pipe shape 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 ship propulsion device with external tooth meshing flat paddle with guide wheel

technical field

The utility model relates to a ship propulsion device with external tooth meshing flat blades with a guide wheel, which belongs to the technical field of ships, and in particular relates to a ship propulsion device.

Background technique

Most of the traditional ship propulsion devices use propellers. Although the drive is convenient, the efficiency is low. 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 propulsion device, although efficiency is higher, structure is more complicated.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of traditional ship propulsion technology, and to invent a high-efficiency ship propulsion device with external teeth meshing flat blades with guide wheels.

A ship propulsion device with external tooth meshing flat paddles with guide wheels, comprising gears, toothed annular flat paddles, positioning shafts, square tube shells and filter screens. The square tubular casing includes a left side plate, a bottom plate, a right side plate and a top plate, the left side plate is vertically arranged, the right side plate is parallel to the left side plate, and the top plate and the bottom plate are arranged horizontally. The gear is installed on the left side of the square tubular shell, the gear shaft is vertically arranged, the positioning shaft is parallel to the gear shaft, the positioning shaft is arranged on the right side of the left side plate of the square tubular shell, and the upper and lower ends of the positioning shaft are respectively installed on the On the top plate and the bottom plate, the positioning shaft can rotate flexibly. The toothed annular flat paddle includes two parallel flat plates in the middle section and semicircular arc bodies at both ends. The outer 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 on the In the square tube shell and fit on the positioning shaft. The outer diameter of the positioning shaft is slightly smaller than the distance between two parallel flat plates of the toothed annular flat paddle. There is a square hole in the middle part of the left side plate, and the gear meshes with the teeth of the toothed annular flat paddle at the square hole. The axis of the gear shaft and the axis of the positioning shaft are in the same horizontal vertical plane. Guide wheels are respectively installed on the bottom and the top of the semicircular arc-shaped body at both ends of the toothed annular flat paddle. An upper guide rail is installed on the lower surface of the top plate of the square tubular shell, and a lower guide rail is correspondingly installed on the upper surface of the bottom plate. The outer circumference dimensions and contours of the upper guide rail and the lower guide rail are the same, and both are semicircular. The function of the upper guide rail is to restrict the two guide wheels installed on the top of the toothed annular flat paddle to move only outside the contour of the upper guide rail. Except for the area near the positioning shaft, the two guide wheels on the top of the toothed annular flat paddle at other positions The first guide wheel rolls along the outer circumference of the upper guide rail; the function of the lower guide rail is to restrict the two guide wheels installed at the bottom of the toothed annular flat paddle to only move outside the contour of the lower guide rail, except for the area near the positioning shaft. The two guide wheels at the bottom of the toothed annular flat paddle roll along the outer circumference of the lower guide rail. The gap between the positioning shaft and the left side plate can ensure the flexible semi-circular movement of the toothed annular flat paddle in the square tube shell. A horizontal groove is formed on the right side of the left plate at the position of the teeth of the toothed annular flat paddle, and the teeth of the toothed annular flat paddle pass through the horizontal groove. In order to prevent sundries such as fish, aquatic plants and even silt from entering the square tube shell, a filter screen is installed in front of the square tube shell. The filter screen is obliquely placed in front of the square tube-shaped shell, which is conducive to the sliding of sundries from the right side of the square tube-shaped shell, and is not easy to be attached to the filter screen.

A kind of propulsion device of the present invention with external teeth meshing flat plate blades with guide wheels produces beneficial effects in this way: at first, the toothed annular flat blades are in the longitudinal frontmost position, that is, the rear end inner wall of the toothed annular flat blades is close to The rear edge of the positioning shaft, the front end of the toothed annular flat paddle is at the front end, the left side of the toothed annular flat paddle is close to the right side of the left side plate of the square tube shell, and the power for driving the propulsion device is from The gear shaft is input, looking down at the propulsion device from top to bottom, the gear rotates counterclockwise, driving the toothed annular flat paddle to make a semi-circular motion in the square tube-shaped shell, that is, the toothed annular flat paddle rotates around the positioning axis at the frontmost position in the longitudinal direction After the axis rotates half a circle, it reaches the final position in the longitudinal direction, and then moves straight forward to the front position in the longitudinal direction. Then, the toothed annular flat blade rotates clockwise for half a circle around the axis of the positioning shaft, and then moves forward in a straight line to the front position in the longitudinal direction, that is, it returns to the initial position. Location. Next, the above process is repeated periodically. In this way, the toothed ring-shaped plate paddle will continuously introduce the water in the front into the square tubular shell and then draw it to the rear to generate forward thrust. During the movement, the toothed ring-shaped flat paddles are quickly opened between the front and the left side of the square tube shell and quickly closed between the rear and the left side, creating insect-like "snap" and "relative" Flutter" movement effect, and due to the limitation of the square tube shell, the movement of the toothed annular flat plate blade in the square tube shell also produces a mirror effect, which can generate a large thrust. Due to the limitation of the upper guide rail, lower guide rail and guide wheel, the toothed annular flat paddle can make a very standard semi-circular motion. The propulsion device 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 propulsion devices, and does not have serious splashing like traditional paddle wheel propulsion devices Phenomenon.

In order to make the efficiency of the propulsion device higher, the ratio of the aspect ratio of the toothed annular flat blade 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 lower guide rail when the toothed annular flat paddle moves in the square tube shell, the bottom of the toothed annular flat paddle is inlaid with anti-friction balls; The density of the toothed annular flat paddle is slightly higher than that of water, and its range is between 1050~1200kg/m ³ .

In order to reduce the friction between the outer surface of the toothed annular flat paddle and the right side of the left side of the square tube shell, the right side of the left side is inlaid with anti-friction balls or rollers except for the horizontal groove. Needle.

In order to prevent sundries from entering the square tube shell, a filter screen is also arranged at the rear of the square tube shell.

In order to achieve high efficiency and energy saving, the structure of the propulsion device should be compactly designed. The left side of the right side plate has a horizontal groove at the height of the teeth of the toothed annular flat blade, and the two ends of the toothed annular flat blade The teeth pass in this slot. The width of the toothed annular flat paddle except for the teeth is slightly smaller than the distance between the right side of the left side plate of the square tubular shell and the left side of the right side plate; the height of the toothed annular flat paddle is slightly smaller than that of the upper The distance between the lower surface of the rail and the upper surface of the lower rail.

Description of drawings

Fig. 1 is the back view schematic diagram of a kind of external teeth meshing flat paddle ship propulsion device with guide wheel of the present invention; Fig. 2 is the top view schematic diagram of Fig. 1; A schematic diagram of the movement in the tubular housing; FIG. 4 is a schematic diagram of the positional relationship between the upper guide rail of the propulsion device of the present invention and the guide wheel installed on the top of the toothed annular paddle.

In the figure, 1-gear 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 a transverse position, 33- Indicates that the toothed annular flat blade is in the longitudinal final position, 34-the rotation direction indication of the toothed annular flat blade, 35-the forward direction indication of the toothed annular flat blade, 36-the teeth of the toothed annular flat blade; 4-positioning shaft; 51-upper guide rail, 52-lower guide rail; 6-square tubular shell, 61-left side plate, 62-bottom plate, 63-right side plate, 64-top plate; 7-filter screen; 8-book Invention of the forward direction indication of the propulsion device; 9-guide wheel, 91-direction of the guide wheel moving in a circular arc along the upper guide rail, 92-direction of the guide wheel moving forward along the outer circumference of the upper guide rail, 93-guidance wheel around the positioning axis Direction indication for arc motion.

detailed description

The present invention is now described in conjunction with the accompanying drawings: a ship propulsion device with external teeth meshing flat paddles with guide wheels, including gears 2, toothed annular flat paddles 3, positioning shafts 4, square tubular shells 6 and filter screens 7 . The square tubular shell 6 comprises 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 vertically 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 . The gear 2 is installed on the left side of the square tubular housing 6, the gear shaft 1 is vertically arranged, the positioning shaft 4 is parallel to the gear shaft 1, the positioning shaft 4 is arranged on the right side of the left side plate 61 of the square tubular housing 6, and the positioning shaft 4. The upper and lower ends are respectively installed on the top plate 64 and the bottom plate 62 through bearings, and the positioning shaft 4 can rotate flexibly. The toothed annular flat paddle 3 includes two parallel flat plates in the middle section and semicircular arc bodies at both ends. The outer 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 The leaf 3 is installed in the square tubular casing 3 and is sleeved on the positioning shaft 4 . The density of the toothed annular flat paddle 3 is 1100kg/m ³ , and the aspect ratio of the toothed annular flat paddle 3 is 1.8:1. The bottom of the toothed annular flat paddle 3 is inlaid with anti-friction balls. The outer diameter of the positioning shaft 4 is slightly smaller than the spacing between two parallel flat plates of the toothed annular flat paddle 3 . There is a square hole in the middle of the left side plate 61, and the gear 2 meshes with the teeth of the toothed annular flat paddle 3 at the square hole. The axis of the gear shaft 1 and the axis of the positioning shaft 4 are in the same transverse vertical plane. The bottom and the top of the semicircular arc-shaped body at the two ends of the toothed annular flat blade 3 are respectively equipped with guide wheels 9. Upper guide rail 51 is installed on the top plate 64 lower surface of square tubular shell 6, and lower guide rail 52 is installed correspondingly on the upper surface of base plate 62, and the peripheral dimension and profile of upper guide rail 51 and lower guide rail 52 are identical, all semicircle. The function of the upper guide rail 51 is to restrict the two guide wheels 9 mounted on the top of the toothed annular flat paddle 3 to move outside the outline of the upper guide rail 51. Except for the area near the positioning shaft 4, the toothed annular flat paddle at other positions The two guide wheels 9 on the top of the blade 3 roll along the outer circumference of the upper guide rail 51; External movement, except the area near the positioning shaft 4, the two guide wheels 9 at the bottom of the toothed annular flat paddle 3 in other positions roll along the periphery of the lower guide rail 52. The gap between the positioning shaft 4 and the left side plate 61 can ensure that the toothed annular plate paddle 3 can move flexibly in a semi-circle in the square tubular housing 6 . The right side of the left side plate 61 is positioned at the position of the teeth of the toothed annular flat blade 3 to have a horizontal groove, and the teeth of the toothed annular flat blade 3 pass through the horizontal groove. In order to prevent sundries such as fish, aquatic plants and even silt from entering in the square tubular housing 6, a filter screen 7 is installed in front of the square tubular housing 6. The filter screen 7 is obliquely placed in front of the square tube-shaped housing 6, which helps sundries to slide over from the right side of the square tube-shaped housing 6, and is not easy to be attached to the filter screen 7.

The propulsion device works like this: At first, the toothed annular flat paddle 3 is in the longitudinal most forward position, that is, the rear end inner wall of the toothed annular flat paddle 3 is close to the trailing edge of the positioning shaft 4, and the toothed annular flat paddle The front end of 3 is at the front end, and the left side of the toothed annular flat paddle 3 is close to the right side of the left side plate 61 of the square tubular shell 6, and the power for driving the propulsion device is input from the gear shaft 1, from top to bottom. Looking down at the propulsion device, the gear 2 rotates counterclockwise, driving the toothed annular flat paddle 3 to make a semi-circular motion in the square tubular shell 6, that is, the toothed annular flat paddle 3 rotates around the axis of the positioning shaft 4 at the most longitudinal position After half a circle, it reaches the final position in the longitudinal direction, and then moves straight forward to the front position in the longitudinal direction. Next, the toothed annular flat paddle 3 rotates clockwise around the axis of the positioning shaft 4 for half a circle, and then moves forward in a straight line to the front position in the longitudinal direction, that is, it returns to the beginning. Location. 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 square tubular shell 6 and then draw it to the rear to generate forward thrust. During the movement, the toothed annular flat paddle 3 is quickly opened between the front and the left side plate 61 of the square tubular housing 6 and quickly closed between the back and the left side plate 61, producing a "snap" similar to insects. " and " sumo " movement effects, and due to the limitation of the square tubular shell 6 , the movement of the toothed annular flat paddle 3 in the square tubular shell 6 also produces a mirror effect, which can produce a large thrust. Due to the limitation of the upper guide rail 51, the lower guide rail 52 and the guide wheel 9, the toothed annular flat paddle 3 can move in a very standard semicircle.

When the motion direction of the toothed annular flat paddle 3 is counterclockwise, the propulsion device of the present invention can make the ship retreat.

If the aspect ratio of the toothed annular plate blade 3 is increased, the propulsion efficiency will be higher.

Claims (8)

1. the external tooth with guide wheel engages a dull and stereotyped blade marine propulsion, it is characterized in that: comprise gear (2), band tooth ring plate blade (3), fix shaft (4), square-tube-shaped shell (6) and filter screen (7); Square-tube-shaped shell (6) comprises left side board (61), base plate (62), right side board (63) and top board (64), 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 the left side of square-tube-shaped shell (6), gear wheel shaft (1) is vertically arranged, fix shaft (4) is parallel with gear wheel shaft (1), fix shaft (4) is arranged in the right side of the left side board (61) of square-tube-shaped shell (6), and fix shaft (4) is arranged on top board (64) and base plate (62) by bearing in two ends up and down respectively; Band tooth ring plate blade (3) comprises the semi arch body at the parallel flat board of two pieces of stage casing and two ends, the tooth that can be meshed with gear (2) enclose with one in the outside of band tooth ring plate blade (3), and it is interior and be sleeved on fix shaft (4) that band tooth ring plate blade (3) is arranged on square-tube-shaped shell (3); The external diameter of fix shaft (4) is less than the spacing between the parallel flat board of two pieces of band tooth ring plate blade (3); The middle part of left side board (61) has square hole, and gear (2) engages with the tooth of band tooth ring plate blade (3) at this square hole place; The axis of gear wheel shaft (1) and the axis of fix shaft (4) are in same Horizontal vertical faces directly; Guide wheel (9) has been installed at bottom and the top of the semi arch body at band tooth ring plate blade (3) two ends all respectively; Top board (64) lower surface of square-tube-shaped shell (6) has installed upper rail (51), and the upper surface of base plate (62) has installed lower guideway (52) accordingly, and upper rail (51) is identical with profile with the peripheral dimension of lower guideway (52), all semicirculars in shape; Gap between fix shaft (4) and left side board (61) can guarantee that band tooth ring plate blade (3) makes half circular motion neatly in square-tube-shaped shell (6); The right flank of left side board (61) is positioned at is with the position of the tooth of tooth ring plate blade (3) to have a horizontal slot, and the tooth of band tooth ring plate blade (3) passes through in this horizontal slot; Filter screen (7) is installed on the front of square-tube-shaped shell (6).

2. a kind of external tooth with guide wheel according to claim 1 engages dull and stereotyped blade marine propulsion, it is characterized in that: the right flank of left side board (61) studs with antifriction ball or needle roller except the region of horizontal slot.

3. a kind of external tooth with guide wheel according to claim 1 engages dull and stereotyped blade marine propulsion, it is characterized in that: the bottom of band tooth ring plate blade (3) studs with antifriction ball.

4. a kind of external tooth with guide wheel according to claim 1 engages dull and stereotyped blade marine propulsion, it is characterized in that: the rear of square-tube-shaped shell (6) there are also installed filter screen (7).

5. a kind of external tooth with guide wheel according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade marine propulsion, it is characterized in that: the density range of band tooth ring plate blade (3) is at 1050 ~ 1200kg/m ³between.

6. a kind of external tooth with guide wheel according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade marine propulsion, it is characterized in that: the left surface of right side board (63) has the groove of a horizontal direction at the height and position of the tooth of band tooth ring plate blade (3); The right flank that band tooth ring plate blade (3) width except tooth is less than the left side board (61) of square-tube-shaped shell (6) 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 upper rail (51) to lower guideway (52) upper surface between distance.

7. a kind of external tooth with guide wheel according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade marine propulsion, it is characterized in that: the ratio of the height to width ratio of band tooth ring plate blade (3) is between 1 ~ 4.

8. a kind of external tooth with guide wheel according to claim 1 or 2 or 3 or 4 engages dull and stereotyped blade marine propulsion, it is characterized in that: the sense of motion of described band tooth ring plate blade (3) is cw or conter clockwise.