CN221189059U

CN221189059U - Rudder propeller

Info

Publication number: CN221189059U
Application number: CN202323341714.2U
Authority: CN
Inventors: 林富华; 舒永东; 常晓雷; 冯华龙; 贾智磊; 朱泓; 常江; 柳德君; 皮志达
Original assignee: Nanjing High Accurate Marine Equipment Co Ltd
Current assignee: Nanjing High Accurate Marine Equipment Co Ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-06-21
Anticipated expiration: 2033-12-08

Abstract

The utility model belongs to the technical field of marine equipment, and discloses a rudder propeller, which comprises an upper gear box, a well box, an intermediate shaft, a lower gear box and a propeller, wherein the upper gear box is connected with the well box; the upper gear box is arranged on the well box, two ends of a first input shaft of the upper gear box are respectively connected with a reversible motor with a shaft and a diesel engine, the output end of the upper gear box is connected with the output end of the lower gear box through an intermediate vertical shaft, and the output end of the lower gear box is connected with a propeller; the diesel engine and the reversible motor are configured to drive the first input shaft together or independently, and the reversible motor is in a power generation state when the diesel engine drives the first input shaft independently. The rudder propeller can realize the input of two power sources of a diesel engine and a reversible motor with a shaft through one input shaft, and other parts are not required to be added, so that the rudder propeller has a compact structure and high space utilization rate; the independent driving or the mixed power of the diesel engine and the shaft belt reversible motor is realized, the integral propulsion effect of the rudder propeller is improved, and the energy conservation and the emission reduction are realized.

Description

Rudder propeller

Technical Field

The utility model relates to the technical field of marine equipment, in particular to a rudder propeller.

Background

During sailing of a ship, propulsion is usually performed by rudder propeller devices. The power source of the current rudder propeller adopts a diesel engine or a motor.

For the diesel engine propulsion system, because the slip clutch is arranged, the operation flexibility is higher, the smooth connection and discharge performance of the low-speed section is better, but the diesel engine has the defect of high pollution discharge, the port requiring low discharge can not meet the use requirement, and the long shaft system and the complicated mechanical transmission structure of the diesel engine lead the transmission efficiency of the propulsion system to be lower. Aiming at an electric propulsion system, the electric propulsion system has the advantages of simple structure, high transmission efficiency, high steering reaction speed, energy conservation, environmental protection and wide application; but the motor starting impact is larger, and the row combination performance is inferior to that of a diesel engine propulsion system.

Therefore, there is a need to design a rudder propeller to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide a rudder propeller which adopts the mixed power of a diesel engine and a reversible motor with a shaft belt, has a simple structure, does not need to increase more parts and has high space utilization rate.

To achieve the purpose, the utility model adopts the following technical scheme:

The rudder propeller comprises an upper gear box, a well box, an intermediate vertical shaft, a lower gear box and a propeller; the upper gear box is arranged on the well box, two ends of a first input shaft of the upper gear box are respectively connected with a shaft belt reversible motor and a diesel engine, an output end of the upper gear box is connected with an input end of the lower gear box through the middle vertical shaft, and an output end of the lower gear box is connected with the propeller; the diesel engine and the reversible electric motor are configured to drive the first input shaft either together or separately.

Optionally, a first high-elastic coupling is arranged between the reversible motor with shaft and the first input shaft.

Optionally, a clutch is disposed between the diesel engine and the first input shaft, and the clutch is used for cutting off or transmitting power output by the diesel engine.

Optionally, a second high-elastic coupling is arranged between the diesel engine and the clutch.

Optionally, a driving shaft is further disposed between the clutch and the first input shaft to connect the clutch and the first input shaft.

Alternatively, the clutch is a half slip clutch.

Optionally, the upper gearbox further comprises:

a first output shaft drivingly connected to the first input shaft, the first output shaft being connected to the intermediate shaft;

The first gear pair is arranged between the first input shaft and the first output shaft so as to make the first input shaft and the first output shaft connected in a transmission way.

Optionally, the lower gearbox includes:

A second input shaft connected to the intermediate shaft;

the second output shaft is connected with the second input shaft in a transmission way;

And the second gear pair is arranged between the second input shaft and the second output shaft so as to realize transmission connection between the second input shaft and the second output shaft.

Optionally, a flow guiding pipe is arranged at the periphery of the propeller, and the flow guiding pipe is used for guiding the propeller.

Optionally, the well box further comprises a steering mechanism, wherein the steering mechanism is arranged on the well box, an output end of the steering mechanism is connected to the lower gear box, and the steering mechanism is used for driving the lower gear box to rotate.

The utility model has the beneficial effects that:

The utility model provides a rudder propeller, which can realize the input of two power sources of a diesel engine and a reversible motor with a shaft through one input shaft, does not need to add other parts, and has compact structure and high space utilization rate. The rudder propeller can be driven independently by a diesel engine in a normal sailing or berthing assisting operation state of the ship, so that the rudder propeller can run stably at a micro speed, and the performance of the ship during the micro operation is improved; at this time, the reversible motor of the shaft belt is in a power generation state, so that the utilization rate of energy sources is improved. When the ship is free to voyage, the shaft belt reversible motor is used for driving the ship independently, at the moment, the diesel engine is stopped, and the shaft belt reversible motor drives the propeller to work, so that the ship has free voyage capacity which is larger than a certain voyage speed, and the rudder propeller is more energy-saving and emission-reducing. And when the motor is driven by a larger power, the motor can be driven by a diesel engine and a reversible motor of a shaft belt.

Drawings

Fig. 1 is a cross-sectional view of a rudder propeller provided in an embodiment of the present utility model.

In the figure:

10. an upper gear box; 11. a first input shaft; 12. a first output shaft; 13. a first gear pair; 131. a first spiral bevel gear; 132. a second spiral bevel gear;

20. a well box; 30. an intermediate vertical shaft;

40. A lower gear box; 41. a second input shaft; 42. a second output shaft; 43. a second gear pair; 431. a third spiral bevel gear; 432. a fourth spiral bevel gear;

51. a reversible motor is arranged on the shaft; 52. a first high-elastic coupling;

61. A diesel engine; 62. a clutch; 63. a second high-elastic coupling; 64. a drive shaft; 65. a connecting shaft;

71. A propeller; 72. a flow guiding pipe;

80. Steering mechanism.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a rudder propeller which adopts the mixed power of a diesel engine 61 and a shaft belt reversible motor 51, has a simple structure, does not need to increase more parts, and has high space utilization rate.

Referring to fig. 1, specifically, the rudder propeller comprises an upper gear box 10, a well box 20, an intermediate vertical shaft 30, a lower gear box 40 and a propeller 71; the upper gear box 10 is arranged on the well box 20, two ends of a first input shaft 11 of the upper gear box 10 are respectively connected with a reversible motor 51 with a shaft and a diesel engine 61, an output end of the upper gear box 10 is connected with an input end of a lower gear box 40 through an intermediate vertical shaft 30, and an output end of the lower gear box 40 is connected with a propeller 71; the diesel engine 61 and the belt reversible motor 51 are configured to drive the first input shaft 11 in rotation together or individually, and the belt reversible motor 51 is in a power generation state when the diesel engine 61 drives the first input shaft 11 individually.

The rudder propeller in the embodiment can realize the input of two power sources of the diesel engine 61 and the shaft belt reversible motor 51 through one input shaft, and has the advantages of compact structure and high space utilization rate without adding other parts. The rudder propeller can be independently driven by the diesel engine 61 in the normal sailing or berthing assisting operation state of the ship, so that the rudder propeller can stably run at a micro speed, and the performance of the ship in the micro operation is improved; at this time, the reversible motor 51 is in a power generation state, and the utilization ratio of energy is improved. When the ship is free to voyage, the shaft belt reversible motor 51 is used for driving independently, at the moment, the diesel engine 61 is stopped, and the shaft belt reversible motor 51 drives the propeller 71 to work, so that the ship has free voyage capability which is larger than a certain voyage speed, and the propeller is more energy-saving and emission-reducing. And when a larger power is required, the engine 61 and the reversible motor 51 can be driven together.

In this embodiment, a first high-elastic coupling 52 is provided between the reversible motor 51 and the first input shaft 11, which has a certain capacity of compensating for the offset of the two shafts, so as to eliminate or reduce the additional load caused by the relative offset of the two shafts connected, buffer and damp, improve the transmission performance and prolong the service life of the machine.

In operation, when the reversible motor 51 is used as a power source, the reversible motor 51 drives the first input shaft 11 to rotate, drives the lower gear box 40 to rotate, and further drives the propeller 71 to rotate, thereby realizing the driving function on the propeller 71. At this time, the diesel engine 61 is stopped.

Further, a clutch 62 is provided between the diesel engine 61 and the first input shaft 11, the clutch 62 is used for cutting off or transmitting power output by the diesel engine 61 to control the output power of the diesel engine 61, and at the same time, when the reversible motor 51 is used as a motor driving source for driving alone, the clutch 62 can cut off the connection between the diesel engine 61 and the first input shaft 11, so that the diesel engine 61 is stopped.

In operation, when the diesel engine 61 is used as a power source, the diesel engine 61 drives the first input shaft 11 to rotate, drives the lower gear box 40 to rotate, and further drives the propeller 71 to rotate, thereby realizing the driving function on the propeller 71. Meanwhile, the first input shaft 11 drives the shaft belt reversible motor 51 to rotate, so that the internal mechanical energy of the shaft belt reversible motor 51 is converted into electric energy, and the utilization rate of the output energy of the diesel engine 61 is improved.

Alternatively, the clutch 62 is a half slip clutch, so that the diesel engine 61 is more stable and has better operability when driving the first input shaft 11.

Optionally, a driving shaft 64 is further provided between the clutch 62 and the first input shaft 11 to connect the clutch 62 and the first input shaft 11.

Further, a second high-elastic coupling 63 is provided between the diesel engine 61 and the clutch 62, which has a certain capacity of compensating for the offset of the two shafts, so as to eliminate or reduce the additional load caused by the relative offset of the two shafts to be connected, buffer and damp, improve the transmission performance and prolong the service life of the machine.

Optionally, the second high-elastic coupling 63 and the clutch 62 are connected by a connecting shaft 65, so that both transmit motion.

With continued reference to fig. 1, in the present embodiment, the upper gearbox 10 further includes a first output shaft 12 and a first gear pair 13, where the first output shaft 12 is drivingly connected to the first input shaft 11; the first gear pair 13 is disposed between the first input shaft 11 and the first output shaft 12 so as to drivingly connect the first input shaft 11 and the first output shaft 12. In operation, the first input shaft 11 is driven by the diesel engine 61 and/or the reversible electric motor 51, and power is transmitted to the first output shaft 12 via the first gear pair 13, and then transmitted to the intermediate shaft 30 via the first output shaft 12, so as to achieve power transmission.

Further, the first gear pair 13 includes a first spiral bevel gear 131 and a second spiral bevel gear 132 that are meshed, the first spiral bevel gear 131 is disposed on the first input shaft 11, the second spiral bevel gear 132 is disposed on the first output shaft 12, and the first input shaft 11 and the first output shaft 12 can be connected by meshing the first spiral bevel gear 131 and the second spiral bevel gear 132.

In the present embodiment, the lower gearbox 40 comprises a second input shaft 41, a second output shaft 42 and a second gear pair 43, the second input shaft 41 being connected to the intermediate vertical shaft 30; the second output shaft 42 is drivingly connected to the second input shaft 41; the second gear pair 43 is provided between the second input shaft 41 and the second output shaft 42 to drivingly connect the second input shaft 41 and the second output shaft 42. In operation, when the power of the upper gear case 10 is transmitted to the second input shaft 41 of the lower gear case 40, the power is transmitted to the second output shaft 42 through the second gear pair 43, and the power is transmitted to the propeller 71 through the second output shaft 42, so that the propeller 71 rotates.

Further, the second gear pair 43 includes a third spiral bevel gear 431 and a fourth spiral bevel gear 432 that are meshed, the third spiral bevel gear 431 is disposed on the second input shaft 41, the fourth spiral bevel gear 432 is disposed on the second output shaft 42, and the third spiral bevel gear 431 and the fourth spiral bevel gear 432 are meshed for transmission, so that the transmission connection between the second input shaft 41 and the second output shaft 42 can be achieved.

In this embodiment, the outer periphery of the propeller 71 is provided with the flow guiding tube 72, the flow guiding tube 72 is used for guiding the propeller 71, the flow guiding tube 72 can change the direction of the discharge flow of the propeller 71, and the air-tightness improving device has the advantages of increasing the thrust and improving the air-tightness.

In this embodiment, the rudder propeller further includes a rudder steering mechanism 80, the rudder steering mechanism 80 is disposed on the well box 20, an output end of the rudder steering mechanism 80 is connected to the lower gear box 40, and the rudder steering mechanism 80 is used for driving the lower gear box 40 to rotate, so as to realize a function of 360 ° rotation of the rudder propeller, and achieve an effect of propelling in all directions.

The steering mechanism 80 includes a driving member, a gear, a rotary ring gear, and the like, so as to drive the lower gearbox 40 to rotate, which is common knowledge in the art, and is not specifically limited herein.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The rudder propeller is characterized by comprising an upper gearbox (10), a well box (20), an intermediate vertical shaft (30), a lower gearbox (40) and a propeller (71); the upper gear box (10) is arranged on the well box (20), two ends of a first input shaft (11) of the upper gear box (10) are respectively connected with a shaft belt reversible motor (51) and a diesel engine (61), an output end of the upper gear box (10) is connected with an input end of the lower gear box (40) through the middle vertical shaft (30), and an output end of the lower gear box (40) is connected with the propeller (71); the diesel engine (61) and the reversible electric motor (51) are configured to drive the first input shaft (11) in rotation either together or separately.

2. Rudder propeller according to claim 1, characterised in that a first high-elastic coupling (52) is arranged between the reversible motor (51) of the shaft and the first input shaft (11).

3. Rudder propeller according to claim 1, characterised in that a clutch (62) is arranged between the diesel engine (61) and the first input shaft (11), which clutch (62) is used for cutting off or transmitting the power output by the diesel engine (61).

4. A rudder propeller according to claim 3, characterised in that a second high-elastic coupling (63) is arranged between the diesel engine (61) and the clutch (62).

5. A rudder propeller according to claim 3, characterised in that a drive shaft (64) is further provided between the clutch (62) and the first input shaft (11) to connect the clutch (62) and the first input shaft (11).

6. A rudder propeller according to claim 3, characterized in that the clutch (62) is a half slip clutch.

7. Rudder propeller according to claim 1, characterized in that the upper gearbox (10) further comprises:

A first output shaft (12) drivingly connected to the first input shaft (11), and the first output shaft (12) is connected to the intermediate shaft (30);

The first gear pair (13) is arranged between the first input shaft (11) and the first output shaft (12) so as to enable the first input shaft (11) to be in transmission connection with the first output shaft (12).

8. Rudder propeller according to claim 1, characterised in that the lower gearbox (40) comprises:

A second input shaft (41) connected to the intermediate shaft (30);

A second output shaft (42) drivingly connected to the second input shaft (41);

And a second gear pair (43) arranged between the second input shaft (41) and the second output shaft (42) so as to make the second input shaft (41) and the second output shaft (42) in transmission connection.

9. Rudder propeller according to claim 1, characterized in that the outer circumference of the propeller (71) is provided with a flow guiding tube (72), which flow guiding tube (72) is used for guiding the propeller (71).

10. Rudder propeller according to any one of claims 1-9, further comprising a steering mechanism (80), said steering mechanism (80) being arranged to said well box (20), an output of said steering mechanism (80) being connected to said lower gearbox (40), said steering mechanism (80) being arranged to drive said lower gearbox (40) in rotation.