CN110834708A - Improve screw of rudder effect - Google Patents
Improve screw of rudder effect Download PDFInfo
- Publication number
- CN110834708A CN110834708A CN201911203128.7A CN201911203128A CN110834708A CN 110834708 A CN110834708 A CN 110834708A CN 201911203128 A CN201911203128 A CN 201911203128A CN 110834708 A CN110834708 A CN 110834708A
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- propeller
- shaft
- hydraulic
- piston connecting
- gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other means for improving propeller efficiency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H7/00—Propulsion directly actuated on air
- B63H7/02—Propulsion directly actuated on air using propellers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Actuator (AREA)
Abstract
The invention belongs to the technical field of ship engineering, and particularly relates to a propeller capable of improving steering effect, which comprises a propeller shaft, wherein two ends of the propeller shaft are connected with a propeller hub through a shaft disc, a plurality of groups of hydraulic mechanism groups are arranged on the propeller shaft, each group of hydraulic mechanism group comprises two hydraulic mechanisms, each hydraulic mechanism is provided with an internal gear hydraulic pump, each gear hydraulic pump is connected with a power supply system through a motor, a hydraulic oil way is arranged in each gear hydraulic pump, each hydraulic oil way is connected with one end of a piston connecting rod, and the other end of the piston connecting rod is connected with the propeller hub and is positioned on the left side and the right side of the. The invention can effectively improve the rudder effect of the ship in the sailing process, has the advantages of exquisite control mode design, high control precision and high energy utilization rate in the operation process, and is particularly suitable for medium and large ships. Compared with the prior art, the structure is simple, convenient and flexible, the layout is compact, and the shipping cost can be effectively reduced. The system is novel in structural design, easy to realize and suitable for popularization and use.
Description
Technical Field
The invention belongs to the technical field of ship engineering, and particularly relates to a propeller capable of improving the steering effect.
Background
The marine propeller is a device for converting the rotating power of an engine into a propelling force by rotating blades in the air or water, and can be a marine propeller which has two or more blades connected with a hub, wherein the backward surface of each blade is a helicoid or a surface similar to the helicoid. Under the premise that the internal combustion engine is still used as the main power device of the ship at present, the propeller is almost immovable to shake. However, since the last half of the century, with the continuous development of material science and hydromechanics, various new marine propellers have been successively introduced, which, although not as efficient as propellers in terms of propulsion efficiency, have posed challenges to conventional propeller propellers. Meanwhile, with the continuous improvement of informatization and automation degree of port transportation, higher requirements are also put forward on the maneuverability of ships. Under the background, various propeller thrusters which seek high-efficiency improvement are produced, such as adjustable pitch propellers CPP which can be traced back to the second thirty years of the last century, contra-rotating propellers CRP which are equipped with a real ship in 2004, high-skew propellers HSP which are developed according to special requirements, and the like, but the steering efficiency can be really improved a little, wherein the power configuration of a plurality of propellers effectively prevents cavitation and improves the turning performance of the ship, but the energy consumption is higher and the power system is complex; although the pod propeller has good maneuverability, the main engine is arranged outside the hull, so that the safety is not strong, the transmission power is not high, and the pod propeller cannot be applied to large ships at present.
Disclosure of Invention
1. The technical problem to be solved is as follows:
the existing propeller cannot economically and effectively improve the rudder effect, and has the disadvantages of high energy consumption and complex power system; some ships have good maneuverability, but the main engine is arranged outside the ship body, so that the safety is not strong, the transmission power is not high, and the ships cannot be applied to large ships.
2. The technical scheme is as follows:
in order to solve the problems, the invention provides a propeller with improved steering efficiency, which comprises a propeller shaft 1-1, the two ends of the propeller shaft 1-1 are connected with the propeller hubs 1-7 through shaft discs 1-6, the paddle shaft 1-1 is provided with a plurality of groups of hydraulic mechanism groups, each group of hydraulic mechanism group comprises two hydraulic mechanisms 1-3, each hydraulic mechanism 1-2 is provided with an internal gear hydraulic pump 1-3, each gear hydraulic pump 1-3 is connected with a power supply system through a motor, each gear hydraulic pump 1-3 is internally provided with a hydraulic oil path 1-4, each hydraulic oil path 1-4 is connected with one end of a piston connecting rod 1-5, the other end of the piston connecting rod 1-5 is connected with the propeller hub 1-7 and is positioned on the left side and the right side of the propeller hub 1-7.
The propeller also comprises a first shaft disc 1-2 and a second shaft disc 1-6 which are positioned at two ends of the propeller shaft 1-1, wherein the first shaft disc 1-2 is connected with the main machine, and the second shaft disc 1-6 is connected with the propeller hub 1-7.
The first shaft disc is in non-fastening connection with the paddle shaft 1-1, the second shaft disc 1-6 and the piston connecting rod 1-5.
The propeller shaft 1-1, the piston connecting rod 1-5 and the propeller hub 1-7 are all constrained by a spherical groove 2-1 spherical hinge.
The rotation directions of the gear hydraulic pumps 1-3 on the two sides are opposite, and the rotation of the gear hydraulic pumps 1-3 drives the piston connecting rods 1-5 corresponding to the gear hydraulic pumps 1-3 to do linear motion and circularly reciprocate along with the rotation of the propeller.
The paddle shaft 1-1 is fixedly connected with the hydraulic oil way 1-4 and rotates synchronously when in operation.
The power supply system comprises an outer stator 3-1, an inner stator 3-3 and a rotor 3-2, wherein the inner stator 3-3 and the outer stator 3-1 are both permanent magnets, the outer stator 3-1 is arranged between a first shaft disc 1-2 and a second shaft disc 1-6 along the edges of the shaft discs, the inner stator 3-3 and the rotor 3-2 are respectively arranged on the surfaces of the paddle shaft 1-1 and a hydraulic oil circuit 1-4, when the paddle shaft 1-1 drives the hydraulic mechanism to rotate, the rotor 1-2 rotates between the inner stator 3-3 and the outer stator 3-1 to generate power, and the obtained power is directly supplied to the gear hydraulic pump 1-3 through the rotor 3-2.
3. Has the advantages that:
the invention can effectively improve the rudder effect of the ship in the sailing process, has the advantages of exquisite control mode design, high control precision and high energy utilization rate in the operation process, and is particularly suitable for medium and large ships. Compared with the prior art, the structure is simple, convenient and flexible, the layout is compact, and the shipping cost can be effectively reduced. The system is novel in structural design, easy to realize and suitable for popularization and use.
Drawings
Fig. 1 is a schematic partial longitudinal section of a propeller structure.
FIG. 2 is a schematic cross-sectional view of the caudal end of the device taken along line B-B.
Fig. 3 is a schematic sectional view of a near-head end section a-a.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in figure 1, the propeller capable of improving the steering efficiency comprises a propeller shaft 1-1, wherein two ends of the propeller shaft 1-1 are connected with a propeller hub 1-7 through a shaft disc 1-6, a plurality of groups of hydraulic mechanism groups are arranged on the propeller shaft 1-1, each group of hydraulic mechanism group comprises two hydraulic mechanisms 1-3, each group of two hydraulic mechanisms is distributed on the left side and the right side of a ship, each hydraulic mechanism 1-2 is provided with an internally engaged gear hydraulic pump 1-3, each gear hydraulic pump 1-3 is connected with a power supply system through a motor, each gear hydraulic pump 1-3 is internally provided with a hydraulic oil path 1-4, each hydraulic oil path 1-4 is connected with one end of a piston connecting rod 1-5, the other end of the piston connecting rod 1-5 is connected with the propeller hub 1-7, and are located on the left and right sides of the hub 1-7.
When the ship turns left, the gear hydraulic pumps in the hydraulic mechanisms 1-3 on the right side of each group rotate clockwise, the piston connecting rods 1-5 connected with the gear hydraulic pumps are pushed outwards, the medium-pressure gear pumps in the hydraulic mechanisms 1-3 on the left side of each group rotate anticlockwise, and the piston connections 1-5 connected with the gear hydraulic pumps are pushed inwards. The thrust surface of the propeller is changed, and the steering effect is improved.
When the ship turns to the right, the gear hydraulic pumps in the hydraulic mechanisms 1-3 on the left side of each group rotate clockwise, the piston connecting rods 1-5 connected with the gear hydraulic pumps are pushed outwards, the medium-pressure gear pumps in the hydraulic mechanisms 1-3 on the right side of each group rotate anticlockwise, and the piston connections 1-5 connected with the gear hydraulic pumps are pushed inwards. The thrust surface of the propeller is changed, and the steering effect is improved.
The propeller has the capability of changing the wake flow, and if the propeller is matched with a traditional rudder for use, the capability of changing the wake flow is better than that of the traditional rudder, the turning radius of the propeller is longer than that of the traditional rudder, the time required for realizing 180-degree turning is shorter, and the rudder angle required for achieving the same turning effect is smaller.
As shown in fig. 2, the propeller shaft 1-1, the piston connecting rod 1-5 and the propeller hub 1-7 are all constrained by a spherical groove ball hinge. Wherein the spherical groove of the piston connecting rod is a spherical groove 2-1, and the spherical groove of the paddle shaft is a spherical groove 2-2.
The propeller also comprises a first shaft disc 1-2 and a second shaft disc 1-6 which are positioned at two ends of the propeller shaft 1-1, wherein the first shaft disc 1-2 is connected with the main machine, and the second shaft disc 1-6 is connected with the propeller hub 1-7. The obtained shaft disc 1-2 and the second shaft disc 1-6 are both connected with the hull structure in a fastening way, and are connected with the propeller shaft 1-1 and the piston connecting rod 1-5 in a non-fastening way, and the functions of the obtained shaft disc and the second shaft disc are used for separating a sealing and supporting structure.
As shown in fig. 3, the power supply system includes an outer stator 3-1, an inner stator 3-3, and a rotor 3-2, where the inner stator 3-3 and the outer stator 3-1 are both permanent magnets, the outer stator 3-1 is disposed between a first shaft disc 1-2 and a second shaft disc 1-6 along the edge of the shaft discs, the inner stator 3-3 and the rotor 3-2 are respectively disposed on the surfaces of the paddle shaft 1-1 and the hydraulic oil path 1-4, when the paddle shaft 1-1 drives the hydraulic mechanism to rotate, the rotor 1-2 rotates between the inner stator 3-3 and the outer stator 3-1 to generate power, and the obtained power is directly supplied to the gear hydraulic pump 1-3 by the rotor 3-2. The energy required for operation of the device can be self-sufficient without external charging.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A propeller for improving steering efficiency comprises a propeller shaft (1-1), wherein two ends of the propeller shaft (1-1) are connected with a propeller hub (1-7) through a shaft disc (1-6), and the propeller is characterized in that: the propeller shaft (1-1) is provided with a plurality of groups of hydraulic mechanism groups, each group of hydraulic mechanism group comprises two hydraulic mechanisms (1-3), each hydraulic mechanism (1-2) is provided with an internal gear hydraulic pump (1-3), each gear hydraulic pump (1-3) is connected with a power supply system through a motor, a hydraulic oil path (1-4) is arranged in each gear hydraulic pump (1-3), each hydraulic oil path (1-4) is connected with one end of a piston connecting rod (1-5), and the other end of the piston connecting rod (1-5) is connected with a propeller hub (1-7) and is positioned on the left side and the right side of the propeller hub (1-7).
2. The propeller for improving rudder efficiency of claim 1, wherein: the propeller also comprises a first shaft disc (1-2) and a second shaft disc (1-6) which are positioned at two ends of the propeller shaft (1-1), wherein the first shaft disc (1-2) is connected with the main machine, and the second shaft disc (1-6) is connected with the propeller hub (1-7).
3. The propeller for improving rudder efficiency of claim 2, wherein: the first shaft disc is in non-fastening connection with the paddle shaft (1-1), the second shaft disc (1-6) and the piston connecting rod (1-5).
4. The propeller for improving rudder efficiency of claim 1, wherein: the propeller shaft (1-1), the piston connecting rod (1-5) and the propeller hub (1-7) are all constrained by spherical groove ball hinges.
5. The propeller for improving rudder efficiency of claim 1, wherein: the rotation directions of the gear hydraulic pumps (1-3) on the two sides are opposite, and the rotation of the gear hydraulic pumps (1-3) drives piston connecting rods (1-5) corresponding to the gear hydraulic pumps (1-3) to do linear motion and to circularly reciprocate along with the rotation of the propeller.
6. The propeller for improving rudder efficiency of claim 1, wherein: the paddle shaft (1-1) is fixedly connected with the hydraulic oil way (1-4) and rotates synchronously during operation.
7. The propeller for improving rudder efficiency of claim 2, wherein: the power supply system comprises an outer stator (3-1), an inner stator (3-3) and a rotor (3-2), the inner stator (3-3) and the outer stator (3-1) are both permanent magnets, the outer stator (3-1) is arranged between the first shaft disc (1-2) and the second shaft disc (1-6) along the edge of the shaft discs, the inner stator (3-3) and the rotor (3-2) are respectively arranged on the surfaces of the paddle shaft (1-1) and the hydraulic oil circuit (1-4), when the paddle shaft (1-1) drives the hydraulic mechanism to rotate, the rotor (1-2) rotates between the inner stator (3-3) and the outer stator (3-1) to generate electricity, and the obtained electric energy is directly supplied to the gear hydraulic pump (1-3) through the rotor (3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203128.7A CN110834708B (en) | 2019-11-29 | 2019-11-29 | Improve screw of rudder effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203128.7A CN110834708B (en) | 2019-11-29 | 2019-11-29 | Improve screw of rudder effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110834708A true CN110834708A (en) | 2020-02-25 |
| CN110834708B CN110834708B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203128.7A Active CN110834708B (en) | 2019-11-29 | 2019-11-29 | Improve screw of rudder effect |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237593A (en) * | 1994-03-02 | 1995-09-12 | Kawasaki Heavy Ind Ltd | Marine steering machine |
| EP1847455A1 (en) * | 2006-04-20 | 2007-10-24 | Rolls-Royce Marine AS | A propulsion and steering unit for a waterborne vessel |
| CN103754344A (en) * | 2014-01-13 | 2014-04-30 | 天津大学 | Novel underwater vehicle parallel vectored thruster and attitude determination method therefor |
| CN106275341A (en) * | 2016-08-05 | 2017-01-04 | 杭州霆舟无人科技有限公司 | Universal propeller |
| CN108408011A (en) * | 2018-03-28 | 2018-08-17 | 江苏海事职业技术学院 | The adjustable pitch propeller of steerage can be improved |
| CN109353474A (en) * | 2018-08-31 | 2019-02-19 | 杭州电子科技大学 | A kind of vector propeller and cableless underwater robot |
| CN109383727A (en) * | 2017-08-11 | 2019-02-26 | 中国科学院沈阳自动化研究所 | A kind of nearly vector expression underwater robot propeller |
-
2019
- 2019-11-29 CN CN201911203128.7A patent/CN110834708B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237593A (en) * | 1994-03-02 | 1995-09-12 | Kawasaki Heavy Ind Ltd | Marine steering machine |
| EP1847455A1 (en) * | 2006-04-20 | 2007-10-24 | Rolls-Royce Marine AS | A propulsion and steering unit for a waterborne vessel |
| CN103754344A (en) * | 2014-01-13 | 2014-04-30 | 天津大学 | Novel underwater vehicle parallel vectored thruster and attitude determination method therefor |
| CN106275341A (en) * | 2016-08-05 | 2017-01-04 | 杭州霆舟无人科技有限公司 | Universal propeller |
| CN109383727A (en) * | 2017-08-11 | 2019-02-26 | 中国科学院沈阳自动化研究所 | A kind of nearly vector expression underwater robot propeller |
| CN108408011A (en) * | 2018-03-28 | 2018-08-17 | 江苏海事职业技术学院 | The adjustable pitch propeller of steerage can be improved |
| CN109353474A (en) * | 2018-08-31 | 2019-02-19 | 杭州电子科技大学 | A kind of vector propeller and cableless underwater robot |
Non-Patent Citations (1)
| Title |
|---|
| 文跃兵: "一种新型的液压驱动矢量推进装置的运动学分析", 《装备制造技术》 * |
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| CN110834708B (en) | 2021-07-30 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220221 Address after: 215000 88 Binjiang Avenue, taicanggang economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu Yangzi Mitsui Shipbuilding Co.,Ltd. Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY Patentee before: Institute of marine equipment, Jiangsu University of science and technology |
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