Energy-saving propeller structure for ship

Abstract

The utility model relates to the technical field of ship propellers, and discloses an energy-saving propeller structure for a ship, which solves the problem that the existing ship propeller is easy to cause energy loss and cannot realize energy conservation, and comprises a support arm, and a shunting component is arranged at the bottom end of one side of the support arm; a rotating shaft is inserted into the bottom end of the side, away from the flow dividing assembly, of the supporting arm, a plurality of paddles are arranged at the end, away from the supporting arm, of the arc-shaped outer surface of the rotating shaft, and a vortex eliminating assembly is arranged at the end, away from the supporting arm, of the rotating shaft and composed of a first rectifying cone, a short shaft, a second rectifying cone and a plurality of vortex eliminating fins. The first rectifying cone is fixedly connected to the end, away from the supporting arm, of the rotating shaft, the short shaft is fixedly connected to the end, away from the rotating shaft, of the first rectifying cone, the second rectifying cone is connected to the end, away from the first rectifying cone, of the short shaft, and the vortex eliminating fins are connected to the end, close to the second rectifying cone, of the arc-shaped outer surface of the short shaft. By means of the propeller structure, energy loss can be reduced, and the energy-saving effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ship propeller technical field, concretely is a kind of energy-saving propeller structure for ship. BACKGROUND

[0002] Ship propeller is one of the most important mechanisms of ship as power device, the existing ship propeller forms vortex cavity when rotating, vortex cavity is high-speed rotating water flow, it is the performance of energy loss, meanwhile, vortex cavity can also cause cavitation phenomenon, affect the service life and use safety of ship propeller, in addition, the existing ship propeller is also subjected to greater water flow resistance in advancing process, energy loss is also caused, and use effect is not good, therefore, the present application proposes a kind of energy-saving propeller structure for ship. SUMMARY

[0003] For the above situation, to overcome the defects of the prior art, the utility model provides a kind of energy-saving propeller structure for ship, effectively solve the problem that the existing ship propeller is prone to energy loss and cannot realize energy saving.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of energy-saving propeller structure for ship, including support arm, the bottom of the one side of support arm is fixedly arranged with shunt component, the bottom of the side of support arm away from shunt component is inserted with rotating shaft, the arc outer surface of rotating shaft is fixedly arranged with several paddles at the end away from support arm, the end of rotating shaft away from support arm is fixedly arranged with vortex elimination component, vortex elimination component is composed of fairing cone one, short shaft, fairing cone two and several vortex elimination fins, fairing cone one is fixedly connected to the end of rotating shaft away from support arm, short shaft is fixedly connected to the end of fairing cone one away from rotating shaft, fairing cone two is fixedly connected to the end of short shaft away from fairing cone one, vortex elimination fin is fixedly connected to the end of short shaft arc outer surface near fairing cone two.

[0005] Preferably, the fairing cone one and the short shaft are fixedly provided with a plurality of reinforcing plates, and a plurality of through holes are formed in the reinforcing plates.

[0006] Preferably, the rotating shaft, the paddles, the fairing cone one, the short shaft, the fairing cone two, the vortex elimination fins and the reinforcing plates are of an integral structure.

[0007] Preferably, the paddles are fixedly provided with a plurality of guide convex ribs on the side away from the support arm, the guide convex ribs are of an arc structure, and the cross section of the guide convex ribs is of a triangular structure.

[0008] Preferably, the shunt component is composed of a mounting seat and a shunt cone, the mounting seat and the support arm are of a welded connection structure, the shunt cone is fixedly connected to one side of the mounting seat, and the mounting seat and the shunt cone are of an integral structure.

[0009] Preferably, the side of the flow distribution cone is provided with a plurality of water inlets, the side of the mounting seat is provided with a plurality of water outlets, the interiors of the mounting seat and the flow distribution cone are provided with a plurality of water discharge channels communicated with the water inlets and the water outlets, and the inner diameters of the water discharge channels from the water inlets to the water outlets are sequentially increased.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] (1), in the work, through setting up by rectifier cone body one, short shaft, rectifier cone body two and a plurality of vortex elimination fins constitute the vortex elimination subassembly, can reduce the generation of vortex cavitation, thereby can reduce the energy loss, reach the effect that saves the energy, can avoid the cavitation phenomenon simultaneously, improve the service life of the ship propeller;

[0012] (2), through setting up the flow guide convex rib, can play the steady flow effect, reduce the impact force received by the paddle, improve the stability and safety that the paddle uses, through setting up by the mounting seat and the flow distribution cone constitute the flow distribution subassembly, can reduce the water flow resistance, through setting up the water inlet, the water outlet and the water discharge channel, can make the water flow from the inside of the mounting seat and the flow distribution cone passes through, further reduce the motion resistance, and then play the effect that saves the energy. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0014] In the drawings:

[0015] Figure 1 It is the energy-saving propeller structure schematic view for ship of the utility model;

[0016] Figure 2 It is the paddle and the connecting structure schematic view of the shaft of the utility model;

[0017] Figure 3 It is the vortex elimination subassembly structure schematic view of the utility model;

[0018] Figure 4 It is the flow distribution subassembly structure schematic view of the utility model;

[0019] In the drawing: 1, support arm; 2, flow distribution subassembly; 3, shaft; 4, paddle; 5, vortex elimination subassembly; 6, rectifier cone body one; 7, short shaft; 8, rectifier cone body two; 9, vortex elimination fin; 10, reinforcing plate; 11, through hole; 12, flow guide convex rib; 13, mounting seat; 14, flow distribution cone; 15, water inlet; 16, water outlet; 17, water discharge channel. PREFERRED EMBODIMENT

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] By Figures 1 to 3 The utility model discloses an energy-saving propeller structure for ship, including support arm 1, the bottom of one side of support arm 1 is fixedly arranged with shunt component 2, the bottom of the side of support arm 1 away from shunt component 2 is inserted and is arranged with the shaft 3, the arc outer surface of shaft 3 is fixedly arranged with several paddles 4 away from support arm 1, the end of shaft 3 away from support arm 1 is fixedly arranged with vortex elimination component 5, vortex elimination component 5 is by rectifier cone one 6, short shaft 7, rectifier cone two 8 and several vortex elimination fins 9 constitute, rectifier cone one 6 is fixedly connected to the end of shaft 3 away from support arm 1, short shaft 7 is fixedly connected to the end of rectifier cone one 6 away from shaft 3, rectifier cone two 8 is fixedly connected to the end of short shaft 7 away from rectifier cone one 6, vortex elimination fin 9 is fixedly connected to the end of short shaft 7 arc outer surface near rectifier cone two 8,

[0022] When using, rectifier cone one 6, short shaft 7, rectifier cone two 8 and several vortex elimination fins 9 follow shaft 3 synchronous rotation, thereby can reduce the generation of vortex cavity, reduce energy loss, play the effect of energy saving, also avoid vortex cavity to cause cavitation phenomenon to ship propeller, improve the service life and working stability of ship propeller,

[0023] By Figures 1 to 3 Rectifier cone one 6 and short shaft 7 are fixedly provided with several reinforcing plates 10, the reinforcing plate 10 is provided with a plurality of through holes 11, the shaft 3 is integrally formed with the paddle 4, rectifier cone one 6, short shaft 7, rectifier cone two 8, vortex elimination fin 9 and reinforcing plate 10, the side of paddle 4 away from support arm 1 is fixedly provided with several guide ribs 12, the guide rib 12 is arc structure, the cross section of guide rib 12 is triangular structure.

[0024] The reinforcing plate 10 can reinforce the short shaft 7, and also has the effect of eliminating vortex cavity, the guide rib 12 can stabilize the water flow on the surface of the paddle 4, and has the effect of stabilizing the flow, improves the overall strength of the paddle 4, and further improves the working stability and service life of the paddle 4.

[0025] By Figure 1 And Figure 4The shunt assembly 2 is composed of a mounting base 13 and a shunt cone 14. The mounting base 13 is in a welded connection structure with the support arm 1. The shunt cone 14 is fixedly connected to one side of the mounting base 13. The mounting base 13 and the shunt cone 14 are in an integrated structure. The side of the shunt cone 14 is provided with a plurality of water inlets 15. The side of the mounting base 13 is provided with a plurality of water outlets 16. The inside of the mounting base 13 and the shunt cone 14 is provided with a plurality of water drainage channels 17 which are in communication with the water inlets 15 and the water outlets 16. The inner diameter of the water drainage channels 17 increases in sequence from the water inlets 15 to the water outlets 16.

[0026] The shunt cone 14 can reduce the resistance in the forward direction. When the ship is moving forward, the water flows into the water drainage channels 17 through the water inlets 15 and then flows out of the water outlets 16. Thus, the resistance in the forward direction can be further reduced, thereby achieving the effect of energy saving.

[0027] In work, the vortex elimination assembly composed of the first flow straightening cone, the short shaft, the second flow straightening cone and the plurality of vortex elimination fins can reduce the generation of vortex cavitation, thereby reducing energy loss, achieving the effect of energy saving, avoiding cavitation and improving the service life of the ship propeller. The flow guide convex ribs can stabilize the flow, reduce the impact force received by the paddle, improve the stability and safety of the paddle. The shunt assembly composed of the mounting base and the shunt cone can reduce the water flow resistance. The water inlets, the water outlets and the water drainage channels can make the water flow through the inside of the mounting base and the shunt cone, further reduce the motion resistance and achieve the effect of energy saving.

Claims

1. An energy-efficient propeller structure for a ship, comprising a support arm (1), characterized in that: The bottom end of one side of the support arm (1) is fixedly provided with a flow distribution assembly (2), the bottom end of the side of the support arm (1) away from the flow distribution assembly (2) is penetratingly provided with a rotating shaft (3), the arc-shaped outer surface of the one end of the rotating shaft (3) away from the support arm (1) is fixedly provided with a plurality of paddles (4), the one end of the rotating shaft (3) away from the support arm (1) is fixedly provided with a vortex elimination assembly (5), the vortex elimination assembly (5) is composed of a first flow straightening cone (6), a short shaft (7), a second flow straightening cone (8) and a plurality of vortex elimination fins (9), the first flow straightening cone (6) is fixedly connected to the one end of the rotating shaft (3) away from the support arm (1), the short shaft (7) is fixedly connected to the one end of the first flow straightening cone (6) away from the rotating shaft (3), the second flow straightening cone (8) is fixedly connected to the one end of the short shaft (7) away from the first flow straightening cone (6), and the vortex elimination fins (9) are fixedly connected to the one end of the arc-shaped outer surface of the short shaft (7) close to the second flow straightening cone (8).

2. An energy efficient propeller structure for a marine vessel as claimed in claim 1, wherein: A plurality of reinforcing plates (10) are fixedly arranged between the first flow straightening cone (6) and the short shaft (7), and a plurality of through holes (11) are formed in the reinforcing plates (10).

3. An energy efficient propeller arrangement for a marine vessel as claimed in claim 2, wherein: The rotating shaft (3), the paddle (4), the first flow straightening cone (6), the short shaft (7), the second flow straightening cone (8), the vortex elimination fin (9) and the reinforcing plate (10) are in an integral structure.

4. An energy efficient propeller structure for a marine vessel as claimed in claim 1, wherein: A plurality of guide convex ribs (12) are fixedly arranged on the side of the paddle (4) away from the support arm (1), the guide convex rib (12) is in an arc-shaped structure, and the cross section of the guide convex rib (12) is in a triangular structure.

5. An energy efficient propeller structure for a marine vessel as claimed in claim 1, wherein: The flow distribution assembly (2) is composed of a mounting seat (13) and a flow distribution cone (14), the mounting seat (13) and the support arm (1) are in a welded connection structure, the flow distribution cone (14) is fixedly connected to one side of the mounting seat (13), and the mounting seat (13) and the flow distribution cone (14) are in an integral structure.

6. An energy efficient propeller arrangement for a marine vessel as claimed in claim 5, wherein: A plurality of water inlets (15) are formed in the side edge of the flow distribution cone (14), a plurality of drainage outlets (16) are formed in the side edge of the mounting seat (13), a plurality of drainage channels (17) in communication with the water inlets (15) and the drainage outlets (16) are formed in the interiors of the mounting seat (13) and the flow distribution cone (14), and the inner diameters of the drainage channels (17) gradually increase from the water inlets (15) to the drainage outlets (16).

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