CN111677773A - Internal transmission structure of propeller - Google Patents
Internal transmission structure of propeller Download PDFInfo
- Publication number
- CN111677773A CN111677773A CN202010563303.XA CN202010563303A CN111677773A CN 111677773 A CN111677773 A CN 111677773A CN 202010563303 A CN202010563303 A CN 202010563303A CN 111677773 A CN111677773 A CN 111677773A
- Authority
- CN
- China
- Prior art keywords
- spline
- transmission
- inner ring
- propeller
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 229920006247 high-performance elastomer Polymers 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 230000037237 body shape Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 3
- 230000001771 impaired effect Effects 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/841—Open covers, e.g. guards for agricultural p.t.o. shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a propeller internal transmission structure, which comprises a transmission structure body and an inner ring, wherein the transmission structure body comprises a transmission spline and a wrapping shell body, the transmission spline is embedded in the wrapping shell body, the wrapping shell is in an octagonal body shape and is made of high-performance rubber material, a shell head is arranged at the end part of the wrapping shell body, the transmission structure body can slide into an inner ring hole, the inner ring hole is arranged in the inner ring, an inner clamping pad is also arranged on the inner wall of the inner ring, the inner ring hole is in an octagonal shape, the outer ring is arranged outside the inner ring, the inner ring and the outer ring are fixedly connected through a clamping strip baffle, a propeller connecting ring skin is arranged outside the outer ring, propeller blades are uniformly arranged on the propeller connecting ring skin, the transmission spline is provided with a spline front frame leg, a spline rear frame leg, a spline head and a spline inner cavity, and the transmission spline is made of copper alloy materials. The invention is provided with a combined transmission structure, thereby not only solving the complex problem of installation and replacement, but also playing a role in protecting the gearbox.
Description
Technical Field
The invention relates to the technical field of propeller transmission, in particular to an internal transmission structure of a propeller.
Background
The propeller is a device which rotates in air or water by a propeller blade and converts the rotating power of an engine into driving force, two or more blades can be connected with a hub, the backward surface of each blade is a helicoid or a marine propeller similar to the helicoid, the propeller is divided into a plurality of propellers, and the propeller has wide application, such as propellers of aircrafts and ships; the propeller generally consists of a plurality of propeller blades mounted as if a twisted elongated wing, and a central hub to which the engine shaft is connected and which rotates; propellers generally have 2, 3 or 4 propeller blades, the greater the number of propeller blades generally, the greater the power absorbed, and sometimes in high-power turboprop aircraft, a quill-type propeller is also used, which is actually two counter-rotating propellers that can counteract the reaction torque.
The traditional integrated or extrusion type propeller transmission structure is not beneficial to replacing and maintaining the propeller, and meanwhile, the hidden danger of damaging an engine gearbox exists; when the marine engine drives the propeller to rotate at a high speed, the rotating speed can reach 5000-6000 RPM, when the propeller touches foreign matters and hard matters stop suddenly, great resistance is generated on a gearbox of the engine, and a gear structure in the gearbox is easy to deform and break away; to traditional extrusion formula drive mechanism's screw, when need changing drive disk assembly in due time, need go to special maintenance shop and change, the replacement cost is high, and the operation is complicated, needs a series of supplementary extrusion frock equipment to accomplish. Therefore, the transmission structure of the propeller is simplified, and the purposes of protecting the gearbox and being convenient to replace and maintain are achieved.
Disclosure of Invention
In order to overcome the defects in the prior art, the transmission structure of the propeller is simplified, the gearbox is protected, and the purpose of convenient replacement and maintenance is achieved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a propeller internal transmission structure comprises a transmission structure body and an inner ring, wherein the transmission structure body comprises a transmission spline and a wrapping outer shell, the transmission spline is embedded in the wrapping outer shell, the wrapping outer shell is in an octagonal body shape and is prepared from a high-performance rubber material, a shell head is arranged at the end part of the wrapping outer shell, the transmission structure body can slide into an inner ring hole, the inner ring hole is arranged in the inner ring, an inner clamping pad is further arranged on the inner wall of the inner ring, the inner clamping pad and the inner ring are arranged in an integrated structure, the inner ring hole is in an octagonal body shape, an outer ring is arranged outside the inner ring, the inner ring and the outer ring are fixedly connected through a clamping strip baffle, a propeller connecting ring skin is arranged outside the outer ring, and propeller blades are uniformly arranged outside the propeller connecting ring skin, 3-5 propeller blades are arranged; the transmission spline is provided with a spline front frame leg, a spline rear frame leg, a spline head and a spline inner cavity, the spline head is arranged at the right end of the transmission spline, an inner thread tooth is arranged inside the transmission spline connected with the spline head, the transmission spline is made of a copper alloy material, a wrapping outer shell made of a high-performance rubber material is bonded with the transmission spline made of the copper alloy material through a vulcanization process, and the spline front frame leg and the spline rear frame leg are square bodies with the transmission spline extending outwards; when the propeller rotates at a high speed and impacts foreign matters, the generated resistance can be absorbed by the wrapping outer shell, the wrapping outer shell is worn to protect the engine gearbox, after the wrapping outer shell loses the transmission function, the outwards extending square bodies in the transmission spline are in contact with the octagonal body structure surface of the inner ring after rotating for 15 degrees, the square bodies are blocked and stop rotating, at the moment, the high-performance rubber material of the wrapping outer shell is partially damaged and loses the function, and the part of the copper alloy material in the transmission spline replaces the high-performance rubber material to continuously drive the propeller blades to rotate.
In the internal transmission structure of the propeller, the inner ring, the outer ring, the propeller-connecting ring skin and the propeller blades are integrally cast and prepared.
In the internal transmission structure of the propeller, the transmission spline is connected with the inner ring in a sliding fit manner.
In the internal transmission structure of the propeller, the number of the spline front frame legs and the number of the spline rear frame legs are 4.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) when the propeller rotates at a high speed and impacts foreign matters, the generated resistance can be absorbed by the wrapping outer shell, the wrapping outer shell is worn to protect the engine gearbox, after the wrapping outer shell loses the transmission function, the outwards extending square bodies in the transmission spline are in contact with the octagonal body structure surface of the inner ring after rotating for 15 DEG, are blocked and stop rotating, and at the moment, the high-performance rubber material wrapping the outer shell is partially damaged and loses the function, but part of the copper alloy material in the transmission spline replaces the high-performance rubber material to continuously drive the propeller to rotate;
(2) the combined transmission structure not only solves the complex problem of installation and replacement, but also plays a role in protecting the gearbox.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the external structure of a propeller drive structure according to the present invention;
FIG. 2 is an exploded view of the propeller drive structure and the external structure of the drive structure of the present invention;
FIG. 3 is an overall view of the drive splines in the propeller drive configuration of the present invention;
FIG. 4 is a cross-sectional view of the drive spline of the propeller drive of the present invention;
fig. 5 is a top view of the drive spline of the propeller drive of the present invention.
In the figure, 1, a propeller connecting ring skin, 2, a propeller blade, 3, an inner ring hole, 4, an inner ring, 5, a clamping strip baffle, 6, an outer ring, 7, an inner clamping pad, 8, a transmission structure body, 9, a wrapping outer shell, 10, a shell head, 11, a transmission spline, 12, a spline front frame leg, 13, a spline head, 14, a spline inner cavity, 15, a spline rear frame leg and 16, inner thread teeth are arranged.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A propeller internal transmission structure comprises a transmission structure body 8 and an inner ring 4, wherein the transmission structure body 8 comprises a transmission spline 11 and a wrapping outer shell 9, the transmission spline 11 is embedded inside the wrapping outer shell 9, the wrapping outer shell 9 is in an octagonal body shape, the wrapping outer shell 9 is made of high-performance rubber materials, a shell head 10 is arranged at the end part of the wrapping outer shell 9, the transmission structure body 8 can slide into an inner ring hole 3, the inner ring hole 3 is arranged inside the inner ring 4, an inner clamping pad 7 is further arranged on the inner wall of the inner ring 4, the inner clamping pad 7 and the inner ring 4 are arranged in an integrated structure, the inner ring hole 3 is in an octagonal body shape, an outer ring 6 is arranged outside the inner ring 4, the inner ring 4 and the outer ring 6 are fixedly connected through a clamping strip baffle 5, a propeller connecting skin 1 is arranged outside the outer ring 6, the outer part of the paddle connecting ring leather is uniformly provided with 3 propeller blades 2; the transmission spline 11 is provided with a spline front frame leg 12, a spline rear frame leg 15, a spline head 13 and a spline inner cavity 14, the spline head 13 is arranged at the right end of the transmission spline 11, an inner thread tooth 16 is arranged inside the transmission spline 11 connected with the spline head 13, the transmission spline 11 is made of a copper alloy material, a wrapping outer shell 9 made of a high-performance rubber material is bonded with the transmission spline 11 made of the copper alloy material through a vulcanization process, and the spline front frame leg 12 and the spline rear frame leg 15 are square bodies with the transmission spline 11 extending outwards; when the propeller blade 2 is rotated at a high speed and collides with foreign matters, the generated resistance can be absorbed by the wrapping outer shell 9, the wrapping outer shell 9 is worn out to protect an engine gearbox, after the wrapping outer shell 9 loses the transmission function, 8 outwards extending cubes in the transmission spline 11 are in contact with the octagonal body structure surface of the inner ring 4 after rotating for 15 degrees and are blocked and stop rotating, at the moment, the high-performance rubber material wrapping the outer shell 9 is partially damaged and loses the function, and part of the copper alloy material in the transmission spline 11 replaces the high-performance rubber material to continuously drive the propeller blade 2 to rotate.
Furthermore, the inner ring 4, the outer ring 6, the connecting propeller ring skin 1 and the propeller blades 2 are manufactured by integral casting.
Further, the transmission spline 11 is connected with the inner ring 4 in a sliding fit manner.
Further, 4 spline front frame legs 12 and 4 spline rear frame legs 15 are arranged.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (4)
1. The utility model provides a propeller internal transmission structure, includes transmission structure body (8) and inner ring (4), its characterized in that: the transmission structure body (8) comprises a transmission spline (11) and a wrapping outer shell (9), the transmission spline (11) is embedded inside the wrapping outer shell (9), the wrapping outer shell (9) is in an octagonal body shape, the wrapping outer shell (9) is made of high-performance rubber materials, a shell head (10) is arranged at the end part of the wrapping outer shell (9), the transmission structure body (8) can slide into an inner ring hole (3), the inner ring hole (3) is arranged inside an inner ring (4), an inner clamping pad (7) is further arranged on the inner wall of the inner ring (4), the inner clamping pad (7) and the inner ring (4) are arranged in an integrated structure, the inner ring hole (3) is in an octagonal body shape, an outer ring (6) is arranged outside the inner ring (4), and the inner ring (4) and the outer ring (6) are fixedly connected through a clamping strip baffle (5), the outer part of the outer ring (6) is provided with a propeller-connecting ring skin (1), the propeller-connecting ring skin (1) is uniformly provided with 3-5 propeller blades (2); the transmission spline (11) is provided with a spline front frame leg (12), a spline rear frame leg (15), a spline head (13) and a spline inner cavity (14), the spline head (13) is arranged at the right end of the transmission spline (11), an inner threaded tooth (16) is arranged inside the transmission spline (11) connected with the spline head (13), the transmission spline (11) is made of a copper alloy material, a wrapping outer shell (9) made of a high-performance rubber material is bonded with the transmission spline (11) made of the copper alloy material through a vulcanization process, and the spline front frame leg (12) and the spline rear frame leg (15) are square bodies with the transmission spline (11) extending outwards; when propeller blade (2) is rotatory when striking the foreign matter at high speed, produced resistance can be absorbed by parcel shell body (9), parcel shell body (9) are worn out in order to protect the engine transmission case, after parcel shell body (9) lost the transmission effect, 8 square bodies that outwards extend in transmission spline (11) rotate 15 back and eight arris body structural plane contact with inner ring (4) to be blocked, stall, the high performance rubber material of parcel shell body (9) has partly impaired and lost the effect this moment, and the effect of partial copper alloy material substitution high performance rubber material in transmission spline (11), continue to drive propeller blade (2) and rotate.
2. The propeller internal transmission structure of claim 1, wherein the inner ring (4), the outer ring (6), the propeller-connecting ring skin (1) and the propeller blades (2) are integrally cast.
3. A propeller internal transmission structure according to claim 1, wherein the transmission spline (11) and the inner ring (4) are connected in a sliding fit manner.
4. A propeller internal transmission arrangement according to claim 1, characterised in that there are 4 of said splined forward frame legs (12) and splined aft frame legs (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563303.XA CN111677773B (en) | 2020-06-19 | 2020-06-19 | Inside transmission structure of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563303.XA CN111677773B (en) | 2020-06-19 | 2020-06-19 | Inside transmission structure of screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111677773A true CN111677773A (en) | 2020-09-18 |
| CN111677773B CN111677773B (en) | 2024-04-19 |
Family
ID=72455857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010563303.XA Active CN111677773B (en) | 2020-06-19 | 2020-06-19 | Inside transmission structure of screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677773B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383042B1 (en) * | 2000-04-11 | 2002-05-07 | Bombardier Motor Corporation Of America | Axial twist propeller hub |
| US20030161730A1 (en) * | 2002-02-27 | 2003-08-28 | Ab Volvo Penta | Method and apparatus for adapting a propeller and shaft system |
| JP2007016838A (en) * | 2005-07-06 | 2007-01-25 | Nabtesco Corp | Silk hat type harmonic drive |
| TWM310175U (en) * | 2006-10-23 | 2007-04-21 | Solas Science & Engineering Co | Boat propeller |
| CN201202801Y (en) * | 2008-05-16 | 2009-03-04 | 辽宁利达集团汽车节能有限公司 | Automobile speed variator energy-saving apparatus |
| US20090075535A1 (en) * | 2007-09-15 | 2009-03-19 | Chong-Liang Lin | Torsional Force Transmitting Apparatus |
| JP2011094737A (en) * | 2009-10-30 | 2011-05-12 | Gkn Driveline Japan Ltd | Shaft connecting structure to power transmission device |
| CN107696810A (en) * | 2017-11-01 | 2018-02-16 | 新疆沙漠虎特种车辆科技有限公司 | A kind of screw propeller for amphibious vehicle |
| CN207433779U (en) * | 2017-11-07 | 2018-06-01 | 青岛亿兆源船舶配件有限公司 | A kind of yacht propeller |
| CN212272854U (en) * | 2020-06-19 | 2021-01-01 | 得利升(青岛)智能制造有限公司 | Internal transmission structure of propeller |
-
2020
- 2020-06-19 CN CN202010563303.XA patent/CN111677773B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383042B1 (en) * | 2000-04-11 | 2002-05-07 | Bombardier Motor Corporation Of America | Axial twist propeller hub |
| US20030161730A1 (en) * | 2002-02-27 | 2003-08-28 | Ab Volvo Penta | Method and apparatus for adapting a propeller and shaft system |
| JP2007016838A (en) * | 2005-07-06 | 2007-01-25 | Nabtesco Corp | Silk hat type harmonic drive |
| TWM310175U (en) * | 2006-10-23 | 2007-04-21 | Solas Science & Engineering Co | Boat propeller |
| US20090075535A1 (en) * | 2007-09-15 | 2009-03-19 | Chong-Liang Lin | Torsional Force Transmitting Apparatus |
| CN201202801Y (en) * | 2008-05-16 | 2009-03-04 | 辽宁利达集团汽车节能有限公司 | Automobile speed variator energy-saving apparatus |
| JP2011094737A (en) * | 2009-10-30 | 2011-05-12 | Gkn Driveline Japan Ltd | Shaft connecting structure to power transmission device |
| CN107696810A (en) * | 2017-11-01 | 2018-02-16 | 新疆沙漠虎特种车辆科技有限公司 | A kind of screw propeller for amphibious vehicle |
| CN207433779U (en) * | 2017-11-07 | 2018-06-01 | 青岛亿兆源船舶配件有限公司 | A kind of yacht propeller |
| CN212272854U (en) * | 2020-06-19 | 2021-01-01 | 得利升(青岛)智能制造有限公司 | Internal transmission structure of propeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111677773B (en) | 2024-04-19 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Kezun Inventor after: Fu Zhidong Inventor after: Wang Jiaquan Inventor after: Liu Yuewen Inventor before: Fu Zhidong Inventor before: Wang Jiaquan Inventor before: Liu Yuewen |
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