CN205131605U - Double -oar side pipe marine propulsion means - Google Patents
Double -oar side pipe marine propulsion means Download PDFInfo
- Publication number
- CN205131605U CN205131605U CN201520852873.5U CN201520852873U CN205131605U CN 205131605 U CN205131605 U CN 205131605U CN 201520852873 U CN201520852873 U CN 201520852873U CN 205131605 U CN205131605 U CN 205131605U
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- Prior art keywords
- square
- tube
- main shaft
- propeller
- shaped shell
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a double -oar side pipe marine propulsion means, relates to a marine propulsor, including left main shaft, left propeller, youzhu axle, right spiral oar and square pipe shape shell. Left side main shaft passes through the bearing and installs on the left board of square pipe shape shell. The left side outside of square pipe shape shell is just arranged in to the left end slant left front of left side main shaft, and the right -hand member links to each other with left propeller in the inside of square pipe shape shell. Left propeller and right spiral oar bilateral symmetry. Left propeller's rotation plane is less than 150 with the contained angle of rotation plane at the rear of right spiral oar. Left propeller's rotation plane is all perpendicular with the roof of square pipe shape shell and bottom plate. The square pipe shape shell is compact with left propeller and the cooperation of right spiral oar. Power transmits respectively to left propeller and right spiral oar through left main shaft and youzhu axle, the rotation in the opposite direction of left propeller and right spiral oar. Compare with traditional marine propulsor, when the flow is the same the utility model discloses propeller efficiency is high, and the resistance is little.
Description
Technical field
A kind of two oar square tube ship propelling device, relates to a kind of marine propulsion, particularly relates to a kind of square tube ship propelling device.
Background technology
Traditional band cylinder propeller is columnar, and the plane of rotation of its blade is substantially vertical with the opening direction of shell, and sectional area is comparatively large, and resistance is comparatively large, and especially during high speed, resistance is larger, and owing to adopting single screw propeller, ratchet knob square is large, poor stability.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of resistance less and button square two oar square tube ship propelling devices of cancelling out each other.
The technical solution of the utility model is: a kind of two oar square tube ship propelling device, comprises left main shaft, left handed propeller, right main shaft, right-hand screw oar and square-tube-shaped shell.Square-tube-shaped shell is surrounded by left plate, top board, right panel and base plate.Left main shaft is arranged on the left plate of square-tube-shaped shell by bearing.The oblique left front of left end of left main shaft and be placed in the left-external side of square-tube-shaped shell, the right-hand member of left main shaft and left handed propeller are connected in the inside of square-tube-shaped shell.Right main shaft is arranged on the right panel of square-tube-shaped shell by bearing.The oblique right front of right-hand member of right main shaft and be placed in the right outside side of square-tube-shaped shell, the right-hand member of right main shaft and right-hand screw oar are connected in the inside of square-tube-shaped shell.Drive the power of left handed propeller to enter from the left end shaft of left main shaft, drive the power of right-hand screw oar to enter from the right-hand member axle of right main shaft.Left handed propeller and right-hand screw paddle structure and measure-alike.Left handed propeller and the symmetrical installation of right-hand screw oar.The rotational plane of left handed propeller and the rotational plane angle in the wings of right-hand screw oar are less than 150 °, and the opening of this angle backward.The angle of the rotational plane of left handed propeller and the left plate of square-tube-shaped shell is less than 75 °, and the opening of this angle forward.The rotational plane of left handed propeller is all vertical with base plate with the top board of square-tube-shaped shell.The section of left handed propeller and right-hand screw oar is all aerofoil profile.Square-tube-shaped shell and left handed propeller and right-hand screw oar coordinate compactly, and the minimum clearance between left handed propeller and square-tube-shaped shell is less than 8mm.Left handed propeller and right-hand screw oar are near installing but can not touching.Power is passed to left handed propeller and right-hand screw oar respectively by left main shaft and right main shaft, under the driving of power, left handed propeller and right-hand screw oar can rotate neatly in square-tube-shaped shell, the direction of rotation of left handed propeller and right-hand screw oar, torque of cancelling out each other.
The utility model a kind of pair of oar square tube ship propelling device is work like this: the left main shaft of power driven drives left handed propeller to rotate, the right main shaft of power driven drives right-hand screw oar to rotate, and then extrudes in the water inspiration square-tube-shaped shell in front from the rear of square-tube-shaped shell in the combined action of left handed propeller, right-hand screw oar and square-tube-shaped shell.
The advantage of the utility model a kind of pair of oar square tube ship propelling device is: compared with traditional propeller vessel ship propeller, when flow is identical, the basal area of the utility model propelling unit is much smaller, efficiency is higher than traditional propeller, and during high speed, resistance is less.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model a kind of pair of oar square tube ship propelling device, and Fig. 2 is the birds-eye view of Fig. 1.In figure: 1 is left main shaft, 2 is left handed propeller, the path of motion at the tip of 21 expression left handed propellers, and 3 is right main shaft, and 4 is right-hand screw oar, the path of motion at the tip of 41 expression right-hand screw oars, and 5 is square-tube-shaped shell, and 6 represent streamlines; In Fig. 1, upper left hollow arrow represents the working direction of the utility model propelling unit.
Detailed description of the invention
Be illustrated the utility model below in conjunction with accompanying drawing: with reference to accompanying drawing, a kind of two oar square tube ship propelling device, comprises left main shaft 1, left handed propeller 2, right main shaft 3, right-hand screw oar 4 and square-tube-shaped shell 5.Square-tube-shaped shell 5 is surrounded by left plate, top board, right panel and base plate.Left main shaft 1 is arranged on the left plate of square-tube-shaped shell 5 by bearing.The oblique left front of left end of left main shaft 1 and be placed in the left-external side of square-tube-shaped shell 5, the right-hand member of left main shaft 1 and left handed propeller 2 are connected in the inside of square-tube-shaped shell 5.Right main shaft 3 is arranged on the right panel of square-tube-shaped shell 5 by bearing.The oblique right front of right-hand member of right main shaft 3 and be placed in the right outside side of square-tube-shaped shell 5, the right-hand member of right main shaft 3 and right-hand screw oar 4 are connected in the inside of square-tube-shaped shell 5.Drive the power of left handed propeller 2 to enter from the left end shaft of left main shaft 1, drive the power of right-hand screw oar 4 to enter from the right-hand member axle of right main shaft 3.Left handed propeller 2 and right-hand screw oar 4 structure and measure-alike.Left handed propeller 2 and the symmetrical installation of right-hand screw oar 4.The rotational plane of left handed propeller 2 and the rotational plane of right-hand screw oar 4 angle are in the wings 60 °, and the opening of this angle backward.The angle of the rotational plane of left handed propeller 2 and the left plate of square-tube-shaped shell 5 is 30 °, and the opening of this angle forward.The rotational plane of left handed propeller 2 is all vertical with base plate with the top board of square-tube-shaped shell 5.The section of left handed propeller 2 and right-hand screw oar 4 is all aerofoil profile.Square-tube-shaped shell 5 coordinates compact with left handed propeller 2 and right-hand screw oar 4, and the minimum clearance between left handed propeller 2 and square-tube-shaped shell 5 is 3mm.Left handed propeller 2 and right-hand screw oar 4 are near installing but can not touching.Power is passed to left handed propeller 2 and right-hand screw oar 4 respectively by left main shaft 1 and right main shaft 3, under the driving of power, left handed propeller 2 and right-hand screw oar 4 can rotate neatly in square-tube-shaped shell 5, the direction of rotation of left handed propeller 2 and right-hand screw oar 4, torque of cancelling out each other.
Described propelling unit is work like this: the left main shaft 1 of power driven drives left handed propeller 2 to rotate, the right main shaft 3 of power driven drives right-hand screw oar 4 to rotate, and then extrudes in the water inspiration square-tube-shaped shell 5 in front from the rear of square-tube-shaped shell 5 in the combined action of left handed propeller 2, right-hand screw oar 4 and square-tube-shaped shell 5.This propelling unit resistance is little, and efficiency is high.
Claims (4)
1. a two oar square tube ship propelling device, is characterized in that: comprise left main shaft (1), left handed propeller (2), right main shaft (3), right-hand screw oar (4) and square-tube-shaped shell (5); Square-tube-shaped shell (5) is surrounded by left plate, top board, right panel and base plate; Left main shaft (1) is arranged on the left plate of square-tube-shaped shell (5) by bearing; The oblique left front of left end of left main shaft (1) and be placed in the left-external side of square-tube-shaped shell (5), the right-hand member of left main shaft (1) and left handed propeller (2) are connected in the inside of square-tube-shaped shell (5); Right main shaft (3) is arranged on by bearing on the right panel of square-tube-shaped shell (5); The oblique right front of right-hand member of right main shaft (3) and be placed in the right outside side of square-tube-shaped shell (5), the right-hand member of right main shaft (3) and right-hand screw oar (4) are connected in the inside of square-tube-shaped shell (5); Drive the power of left handed propeller (2) to enter from the left end shaft of left main shaft (1), drive the power of right-hand screw oar (4) to enter from the right-hand member axle of right main shaft (3); Left handed propeller (2) and right-hand screw oar (4) structure and measure-alike; Left handed propeller (2) and right-hand screw oar (4) symmetrical installation; The opening angle backward (β) of the rotational plane of left handed propeller (2) and the rotational plane of right-hand screw oar (4) is less than 150 °; The opening angle forward (α) of the rotational plane of left handed propeller (2) and the left plate of square-tube-shaped shell (5) is less than 75 °; The rotational plane of left handed propeller (2) is all vertical with base plate with the top board of square-tube-shaped shell (5); Minimum clearance between left handed propeller (2) and square-tube-shaped shell (5) is less than 8mm; Left handed propeller (2) and right-hand screw oar (4) are near installing but can not touching; Under the driving of power, left handed propeller (2) and right-hand screw oar (4) can rotate neatly in square-tube-shaped shell (5), the direction of rotation of left handed propeller (2) and right-hand screw oar (4).
2. the two oar square tube ship propelling device of one according to claim 1, it is characterized in that, the section of left handed propeller (2) and right-hand screw oar (4) is all aerofoil profile.
3. the two oar square tube ship propelling device of one according to claim 1 and 2, it is characterized in that, the rotational plane of left handed propeller (2) and the rotational plane angle in the wings (β) of right-hand screw oar (4) are 60 °.
4. the two oar square tube ship propelling device of one according to claim 1 and 2, it is characterized in that, the minimum clearance between left handed propeller (2) and square-tube-shaped shell (5) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852873.5U CN205131605U (en) | 2015-10-30 | 2015-10-30 | Double -oar side pipe marine propulsion means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852873.5U CN205131605U (en) | 2015-10-30 | 2015-10-30 | Double -oar side pipe marine propulsion means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205131605U true CN205131605U (en) | 2016-04-06 |
Family
ID=55617422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520852873.5U Expired - Fee Related CN205131605U (en) | 2015-10-30 | 2015-10-30 | Double -oar side pipe marine propulsion means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205131605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173045A (en) * | 2015-10-30 | 2015-12-23 | 佛山市神风航空科技有限公司 | Double-oar square-tube marine propulsor device |
-
2015
- 2015-10-30 CN CN201520852873.5U patent/CN205131605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173045A (en) * | 2015-10-30 | 2015-12-23 | 佛山市神风航空科技有限公司 | Double-oar square-tube marine propulsor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20191030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |