CN111677773B - Inside transmission structure of screw - Google Patents
Inside transmission structure of screw Download PDFInfo
- Publication number
- CN111677773B CN111677773B CN202010563303.XA CN202010563303A CN111677773B CN 111677773 B CN111677773 B CN 111677773B CN 202010563303 A CN202010563303 A CN 202010563303A CN 111677773 B CN111677773 B CN 111677773B
- Authority
- CN
- China
- Prior art keywords
- spline
- transmission
- inner ring
- outer shell
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 76
- 229920006247 high-performance elastomer Polymers 0.000 claims abstract description 16
- 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
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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 an internal transmission structure of a propeller, which 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 octagon shape and is made of 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 ring hole is in the octagon shape, an outer ring is arranged outside the inner ring, the inner ring and the outer ring are fixedly connected through clamping bars, a propeller connecting ring skin is arranged outside the outer ring, propeller blades are uniformly arranged on the propeller connecting ring skin, and 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 is made of a copper alloy material. The invention is provided with the combined transmission structure, thereby solving the complex problem of installation and replacement and playing a role in protecting the gearbox.
Description
Technical Field
The invention relates to the technical field of propeller transmission, in particular to a propeller internal transmission structure.
Background
The propeller is a device for converting the rotation power of an engine into driving force by rotating propeller blades in air or water, and can be provided with two or more blades connected with a hub, the backward surface of each blade is a spiral surface or is similar to the spiral surface, and the propeller is divided into a plurality of types and is widely applied, such as a propeller of an airplane, a ship and the like; the propeller generally consists of a plurality of propeller blades and a central hub, the propeller blades are arranged on the hub as if a twisted slender wing, and an engine shaft is connected with the hub and drives the hub to rotate; the propeller typically has 2, 3 or 4 propeller blades, and the larger the number of propeller blades, the larger the absorbed power, and sometimes a sleeve shaft type propeller is adopted on a high-power turbine propeller plane, which is actually two reversely rotating propellers, so that reaction torque can be counteracted.
The transmission integrated or extrusion type propeller transmission structure is not beneficial to the replacement and maintenance of the propeller, and meanwhile, hidden danger of damaging the engine gearbox exists; when the marine engine drives the propeller to rotate at a high speed, the rotating speed can reach 5000-6000 RPM, and when the propeller touches foreign matters and hard objects suddenly stop, great resistance can be generated to the engine gearbox, and the internal gear structure of the gearbox is easy to deform and separate; for the screw propeller of the traditional extrusion type transmission mechanism, when the transmission part is required to be replaced due to expiration, the screw propeller needs to be replaced in a special maintenance store, the replacement cost is high, the operation is complex, and a series of auxiliary extrusion tooling equipment is required to be completed. Therefore, the invention simplifies the transmission structure of the propeller, and achieves the purposes of protecting the gearbox and being convenient to replace and maintain.
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 for solving the technical problems is as follows: the utility model provides a screw inside transmission structure, includes transmission structure body and inner ring, transmission structure body includes transmission spline and parcel shell body, the transmission spline inlays and is equipped with the outside at parcel shell body inside, parcel shell body is the octagon form and the parcel shell body is prepared by high performance rubber materials, the tip of parcel shell body is provided with the casing head, transmission structure body slidable gets into in the inner ring hole, the inner ring hole sets up in the inside of inner ring, still be provided with interior clamping pad on the inner wall of inner ring, interior clamping pad sets up as an organic whole structure with the inner ring, and the inner ring hole is the octagon form, the outside of inner ring is provided with the outer loop, and carry out fixed connection through the clamping strip between inner ring and the outer loop, the outside of outer loop is provided with even oar ring skin even being provided with screw blade, screw blade is provided with 3 ~ 5. 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, inner line teeth are arranged in the transmission spline connected with the spline head, the transmission spline is made of copper alloy materials, a wrapping outer shell made of high-performance rubber materials and the transmission spline made of copper alloy materials are bonded through a vulcanization process, and the spline front frame leg and the spline rear frame leg are cubes which are outwards extended by the transmission spline; when the screw rotates at a high speed to strike foreign matters, the generated resistance can be absorbed by the wrapping outer shell, the wrapping outer shell is worn away to protect the engine gearbox, after the wrapping outer shell loses the transmission function, the outwards extending square body in the transmission spline is contacted with the octagon structural surface of the inner ring after rotating for 15 degrees, and is blocked, the rotation is stopped, at the moment, the high-performance rubber material of the wrapping outer shell is partially damaged and loses function, and part of copper alloy material in the transmission spline replaces the function of the high-performance rubber material, and the screw blade is continuously driven to rotate.
The inner ring, the outer ring, the connecting propeller ring skin and the propeller blade are integrally cast to prepare the propeller internal transmission structure.
According to the internal transmission structure of the propeller, the transmission spline is connected with the inner ring in a sliding fit manner.
According to the propeller internal transmission structure, 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 screw propeller rotates at a high speed and collides with foreign matters, the generated resistance is absorbed by the wrapping outer shell, the wrapping outer shell is worn away to protect an engine gearbox, after the wrapping outer shell loses the transmission function, the outwards extending square body in the transmission spline is contacted with the octagon structural surface of the inner ring after rotating for 15 degrees and is blocked, the rotation is stopped, at the moment, the high-performance rubber material of the wrapping outer shell is partially damaged and loses function, but part of copper alloy material in the transmission spline replaces the function of the high-performance rubber material, and the screw propeller is continuously driven to rotate;
(2) The combined transmission structure solves the complex problem of installation and replacement, and plays a role in protecting the gearbox.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the external structure of a propeller drive in accordance with the present invention;
FIG. 2 is an exploded view of the propeller drive and the outer structure of the drive in accordance with the present invention;
FIG. 3 is an overall view of a drive spline in a propeller drive structure of the present invention;
FIG. 4 is a cross-sectional view of a drive spline in a propeller drive structure of the present invention;
Fig. 5 is a top view of a drive spline in a propeller drive structure of the present invention.
In the figure, 1, a propeller connecting annular skin, 2, a propeller blade, 3, an inner annular 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, an inner line tooth.
Detailed Description
The present invention will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present invention.
The utility model provides a propeller internal transmission structure, includes transmission structure body 8 and inner ring 4, transmission structure body 8 includes transmission spline 11 and parcel shell body 9, transmission spline 11 inlays and is adorned in parcel shell body 9 inside, parcel shell body 9 is eight prismatic and parcel shell body 9 is high-performance rubber materials preparation, the tip of parcel shell body 9 is provided with casing head 10, transmission structure body 8 slidable gets into in inner ring hole 3, inner ring hole 3 sets up in the inside of inner ring 4, still be provided with interior clamping pad 7 on the inner wall of inner ring 4, interior clamping pad 7 sets up as an organic whole structure with inner ring 4, and inner ring hole 3 is eight prismatic, the outside of inner ring 4 is provided with outer loop 6, and carry out fixed connection through clamping strip fender 5 between inner ring 4 and the outer loop 6, the outside of outer loop 6 is provided with even oar ring skin 1, even be provided with screw blade 2 outside even the oar ring skin, screw blade 2 is provided with 3; 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, inner-line teeth 16 are arranged in the transmission spline 11 connected with the spline head 13, the transmission spline 11 is prepared from a copper alloy material, the transmission spline 11 which is prepared from a high-performance rubber material and is wrapped by the outer shell 9 and is prepared from the copper alloy material is bonded through a vulcanization process, and the spline front frame leg 12 and the spline rear frame leg 15 are all cubes which are outwards extended from the transmission spline 11; when the propeller blade 2 rotates at a high speed to strike foreign matters, the generated resistance is absorbed by the wrapping outer shell 9, the wrapping outer shell 9 is worn away to protect an engine gearbox, after the wrapping outer shell 9 loses transmission function, 8 outwards extending cubes in the transmission spline 11 are contacted with the octagon structural surface of the inner ring 4 after rotating for 15 degrees and blocked, rotation is stopped, at the moment, the high-performance rubber material of the wrapping outer shell 9 is partially damaged and loses function, and part of copper alloy material in the transmission spline 11 replaces the function of the high-performance rubber material to continuously drive the propeller blade 2 to rotate.
Furthermore, the inner ring 4, the outer ring 6, the propeller connecting annular skin 1 and the propeller blades 2 are manufactured by integral casting.
Further, the transmission spline 11 is in sliding fit connection with the inner ring 4.
Further, 4 spline front frame legs 12 and 4 spline rear frame legs 15 are provided.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (2)
1. The utility model provides a screw inside 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 in the wrapping outer shell (9), the wrapping outer shell (9) is in an octagon shape and is prepared from a high-performance rubber material, 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 annular hole (3), the inner annular hole (3) is arranged in 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 annular hole (3) is in an octagon 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 clamping bars (5), a propeller connecting ring skin (1) is arranged outside the outer ring (6), and the propeller blades (2) are uniformly arranged on the propeller connecting skin (1); the novel high-performance rubber spline is characterized in that 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), inner thread teeth (16) are arranged in 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 body (9) made of a high-performance rubber material and the transmission spline (11) made of the copper alloy material are bonded through a vulcanization process, and the spline front frame leg (12) and the spline rear frame leg (15) are outwards extending cubes of the transmission spline (11); when the screw blade (2) rotates at a high speed to strike foreign matters, the generated resistance can be absorbed by the wrapping outer shell (9), the wrapping outer shell (9) is worn away to protect an engine gearbox, after the wrapping outer shell (9) loses transmission function, 8 outwards extending cubes in the transmission spline (11) are contacted with an octagon structural surface of the inner ring (4) after rotating for 15 degrees and blocked and stop rotating, at the moment, the high-performance rubber material of the wrapping outer shell (9) is partially damaged and loses function, part of copper alloy material in the transmission spline (11) replaces the function of the high-performance rubber material, the screw blade (2) is continuously driven to rotate, the inner ring (4) is integrally cast with the outer ring (6), the connecting blade annular skin (1) and the screw blade (2), and the transmission spline (11) is connected with the inner ring (4) in a sliding fit mode.
2. A propeller inner transmission structure according to claim 1, characterized in that the spline front and rear frame legs (12, 15) are each provided with 4.
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 CN111677773A (en) | 2020-09-18 |
| CN111677773B true 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 (8)
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE521180C2 (en) * | 2002-02-27 | 2003-10-07 | Volvo Penta Ab | Propeller system, propeller shaft and propeller intended to be mounted on said propeller shaft |
| US20090075535A1 (en) * | 2007-09-15 | 2009-03-19 | Chong-Liang Lin | Torsional Force Transmitting Apparatus |
-
2020
- 2020-06-19 CN CN202010563303.XA patent/CN111677773B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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 |
|---|---|
| CN111677773A (en) | 2020-09-18 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| 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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| GR01 | Patent grant | ||
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