CN218288098U

CN218288098U - Tail shaft anti-winding structure

Info

Publication number: CN218288098U
Application number: CN202222985960.0U
Authority: CN
Inventors: 张磊; 陈芸
Original assignee: Topstar Technology Nanjing Co ltd
Current assignee: Topstar Technology Nanjing Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-13
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a stern shaft antiwind structure relates to stern shaft technical field, has and cuts debris such as floater, fishing net, hawser that twine between paddle and the second blade, cuts efficient advantage, and its technical scheme main points are: including propeller hub and stern pedestal, fixed mounting has a plurality of paddle on the circumference outer wall of propeller hub, and the one end fixed mounting of propeller hub has the stern axle body, and the stern axle body wears to establish the stern pedestal and with the output shaft fixed connection of host computer, and fixed mounting has first carousel on the circumference outer wall of stern axle body, is equipped with first cutting assembly on the first carousel, rotates on the circumference outer wall of stern pedestal to be connected with the second carousel, is equipped with second cutting assembly on the second carousel, is equipped with the control of driving first cutting assembly and second cutting assembly antiport on the stern pedestal.

Description

Tail shaft anti-winding structure

Technical Field

The utility model relates to a stern axle technical field specifically is a stern axle anti-wind structure.

Background

The propulsion unit of boats and ships generally adopts the screw, the screw comprises propeller hub and a plurality of paddle that radially is fixed in the propeller hub, the screw is installed below the stern waterline, the screw is connected with the output shaft of host computer through the stern axle, the stern axle is connected with the hull through bearing, bearing frame and sealing device, the hull corresponds the screw junction and is equipped with boats and ships stern pipe or beauty frame, the stern axle drives the screw rotation and with the navigation of drive boats and ships, during the navigation, the region between screw propeller hub and boats and ships stern pipe or beauty frame is often twined by debris such as aquatic floater, fishing net, hawser, influence the normal work of screw, sometimes can also lead to damaging the screw, boats and ships lose power, cause major accident.

The existing processing methods generally comprise stopping the machine and stopping the navigation, sending divers to cut the entanglement by a knife under the sea, or dragging the entanglement to a shore or a port by other ships, and dragging the entanglement to remove the entanglement by grounding.

At present, a Chinese patent with the application number of CN201920555824.3 on the market discloses a marine anti-winding device, which comprises a propeller, a stern shaft bracket and a cutting device, wherein one end of the stern shaft penetrates through the stern shaft bracket to be connected with an output shaft of a main machine, the other end of the stern shaft is connected with the propeller, the propeller comprises a propeller hub and blades, the propeller hub is arranged on the stern shaft, the blades are radially fixed on the propeller hub, the cutting device comprises a first cutting assembly and a second cutting assembly, and the first cutting device comprises a shell, a cam, a sliding rod, a sliding plate, a first gear, a second gear, a third gear and a fourth gear.

This application is through accomplishing the regional cutting of branch respectively through first cutting subassembly, second cutting subassembly, improves antiwind function, strengthens cutting efficiency, and this application sets up another kind of stern axle antiwind structure to solve present stern axle and twine floater, fishing net, hawser between paddle and second paddle influence paddle pivoted problem when using.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency to the aforesaid exists, the utility model aims at providing a stern shaft antiwind structure has and cuts the debris such as floater, fishing net, hawser of winding between paddle and second blade, cuts the efficient advantage of cutting.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a stern axle anti-wind structure, including propeller hub and stern pedestal, fixed mounting has a plurality of paddle on the circumference outer wall of propeller hub, the one end fixed mounting of propeller hub has stern axle body, stern axle body wear to establish stern pedestal and with the output shaft fixed connection of host computer, fixed mounting has first carousel on the circumference outer wall of stern axle body, be equipped with first cutting assembly on the first carousel, it is connected with the second carousel to rotate on the circumference outer wall of stern pedestal, be equipped with second cutting assembly on the second carousel, be equipped with the first cutting assembly of drive and second cutting assembly antiport control on the stern pedestal.

Through adopting above-mentioned technical scheme, the screw is constituteed to propeller hub and paddle, and effect control first cutting subassembly and second cutting subassembly antiport through the control, and through the cooperation of the first cutting subassembly of rotation opposite direction and second cutting subassembly, to the winding debris such as floater between stern axle body and propeller hub, fishing net, hawser cut, reduce debris such as floater, fishing net, hawser and twine the possibility that influences the paddle pivoted on the stern axle body, and cut efficiently.

Preferentially, first cutting assembly includes a plurality of and first carousel fixed connection's first connecting rod, the central line direction of first connecting rod is parallel with the central line direction of stern shaft body, first carousel sets up with the stern shaft body is concentric, the one end fixed mounting that first carousel was kept away from to first connecting rod has first blade, a plurality of first connecting rod uses first carousel central point to be array arrangement as the centre of a circle.

Through above-mentioned technical scheme, the effect through a plurality of first blade is cut debris such as floater, fishing net, hawser.

Preferentially, the second cutting subassembly includes a plurality of and second carousel fixed connection's connecting plate, the second carousel sets up with the stern axle body is concentric, a plurality of the connecting plate uses the second carousel center to be array arrangement as the centre of a circle, fixed mounting has the second connecting rod on the connecting plate, the one end fixed mounting that the connecting plate was kept away from to the second connecting rod has the second blade, second blade and first blade staggered arrangement, the central line direction of second connecting rod is parallel with the central line direction of first connecting rod.

Through the technical scheme, the connecting plate fixedly connected with the second rotary table can be driven to rotate through the rotation of the second rotary table, the second connecting rod fixedly connected with the connecting plate can be driven to rotate through the rotation of the connecting plate, the second blades fixedly connected with the second connecting rod can be driven to rotate through the rotation of the second connecting rod, the second blades and the first blades are arranged in a staggered mode and are opposite in turning direction, and sundries such as floaters, fishing nets, cables and the like between the blades and the first blades are cut.

Preferably, the first connecting rod, the connecting plate and the second connecting rod are radially provided with third blades which play a cutting role on sundries such as floaters, fishing nets, mooring ropes and the like, and the third blades are arranged in a staggered mode.

Through above-mentioned technical scheme, the effect through the third blade is cut debris such as floater, fishing net, hawser winding on second connecting rod and first connecting rod, reduces the influence of debris such as floater, fishing net, hawser to first connecting rod and second connecting rod.

Preferentially, the control is established in the stern shaft bracket outside and with stern shaft bracket fixed connection's casing including the cover, the inside drive groove of having seted up of casing, the one end of stern shaft bracket extends to in the drive groove and with casing fixed connection, the second carousel rotates with the casing to be connected and the one end of second carousel extends to in the drive groove, the one end that the paddle was kept away from to the stern shaft body extends to in the drive groove and rotates with the casing to be connected, the part that the stern shaft body extended to the drive groove wears to establish the stern shaft bracket and rotates with the stern shaft bracket to be connected, first carousel rotates with the casing to be connected and extends to the drive groove in, first carousel extends to the inside part fixed mounting of drive groove and establishes the first gear in the stern shaft body outside, the both sides of first gear all are equipped with the second gear with first gear engagement, two the second gear all rotates with the shells inner wall to be connected, the relative position department of first gear is equipped with the third gear that is located between two second gears, the third gear extends to the part fixed connection of drive groove with the second carousel.

According to the technical scheme, the stern shaft body rotates under the action of the main machine, the rotation of the stern shaft body can drive the first rotary disc and the first gear which are fixedly connected with the stern shaft body to rotate, the first gear, the first rotary disc and the stern shaft body are concentrically connected, the stern shaft body penetrates through the first gear and is fixedly connected with the first gear, the first gear is meshed with the two second gears, the rotation of the first gear can drive the rotation of the two second gears, the second gear is meshed with the third gear, the rotation of the second gear can drive the third gear to rotate, the rotation directions of the first gear and the third gear are opposite, the rotation of the third gear can drive the second rotary disc which is fixedly connected with the third gear to rotate, and the rotation of the second rotary disc can drive the connecting plate which is fixedly connected with the second rotary disc to rotate.

Preferably, the circulation groove is inclined, and the stern shaft body, the first turntable, the first gear, the stern shaft bracket, the second turntable, and the third gear are all concentrically arranged.

Through above-mentioned technical scheme, all set up with one heart through stern shaft body, first carousel, first gear, stern pedestal, second carousel, third gear, improve the stability of connecting.

The beneficial effects of the utility model reside in that: the first cutting assembly and the second cutting assembly are controlled to rotate reversely through the control piece, sundries such as floaters, fishing nets and cables wound between the stern shaft body and the propeller hub are cut through the cooperation of the first cutting assembly and the second cutting assembly which are opposite in rotating direction, the possibility that the floaters, the fishing nets and the cables are wound on the stern shaft body to influence rotation of the propeller blades is reduced, and the cutting efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic overall left-side view of the present embodiment;

fig. 3 is a schematic sectional view of the housing according to the embodiment.

Description of the reference numerals:

in the figure: 1. a hub; 2. a paddle; 3. a stern shaft body; 4. a propeller shaft bracket; 5. a housing; 6. a drive slot; 7. a first turntable; 8. a first link; 9. a first blade; 10. a first gear; 11. a second gear; 12. a third gear; 13. a second turntable; 14. a connecting plate; 15. a second link; 16. a second blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An anti-winding structure of a stern shaft is disclosed, as shown in figures 1-3, and comprises a propeller hub 1 and a stern shaft bracket 4, wherein a plurality of blades 2 are fixedly installed on the outer circumferential wall of the propeller hub 1, a stern shaft body 3 is fixedly installed at one end of the propeller hub 1, the stern shaft body 3 penetrates through the stern shaft bracket 4 and is fixedly connected with an output shaft end of a host, a first rotary disc 7 is fixedly installed on the outer circumferential wall of the stern shaft body 3, a first cutting assembly is arranged on the first rotary disc 7, a second rotary disc 13 is rotatably connected to the outer circumferential wall of the stern shaft bracket 4, a second cutting assembly is arranged on the second rotary disc 13, a control part for driving the first cutting assembly and the second cutting assembly to reversely rotate is arranged on the stern shaft bracket 4, the propeller hub 1 and the blades 2 form a propeller, the first cutting assembly and the second cutting assembly are controlled to reversely rotate through the effect of the control part, through the cooperation of the first cutting assembly and the second cutting assembly which are opposite in rotation direction, floaters, fishing nets, floaters, the fishing nets, the blades, the fishing nets, the blades, the bodies, and the mooring ropes, and the possibility of the mooring rope, is high possibility of the cutting efficiency is affected.

As shown in fig. 2, the first cutting assembly comprises a plurality of first connecting rods 8 fixedly connected with first rotating discs 7, the center line direction of the first connecting rods 8 is parallel to the center line direction of the stern shaft body 3, the first rotating discs 7 are concentrically arranged with the stern shaft body 3, first blades 9 are fixedly mounted at one ends, far away from the first rotating discs 7, of the first connecting rods 8, the first connecting rods 8 are arranged in an array mode by taking the center points of the first rotating discs 7 as circle centers, and sundries such as floaters, fishing nets and cables are cut under the action of the first blades 9.

As shown in fig. 2, the second cutting assembly includes a plurality of connecting plates 14 fixedly connected to the second rotary table 13, the second rotary table 13 is concentrically arranged with the stern shaft body 3, the plurality of connecting plates 14 are arranged in an array form with the center of the second rotary table 13 as a circle center, a second connecting rod 15 is fixedly mounted on the connecting plate 14, a second blade 16 is fixedly mounted at one end of the second connecting rod 15 far from the connecting plate 14, the second blade 16 and the first blade 9 are arranged in a staggered manner, the direction of the center line of the second connecting rod 15 is parallel to the direction of the center line of the first connecting rod 8, the connecting plate 14 fixedly connected to the second rotary table 13 is driven to rotate by the rotation of the second rotary table 13, the second connecting rod 15 fixedly connected to the connecting plate 14 is driven to rotate by the rotation of the connecting plate 14, the second connecting rod 15 drives the second blade 16 fixedly connected to the second connecting rod 15 to rotate, the second blade 16 is arranged in a staggered manner with the first blade 9, and the rotation directions are opposite, and sundries such as floaters, fishing nets, and the fishing nets and the like between the paddle 2 and the first blade 9 are cut.

As shown in fig. 2, the first connecting rod 8, the connecting plate 14 and the second connecting rod 15 are radially provided with third blades which play a cutting role for the floaters, the fishing nets, the mooring ropes and other sundries, and the third blades are arranged in a staggered manner, so that the sundries such as the floaters, the fishing nets and the mooring ropes which are wound on the second connecting rod 15 and the first connecting rod 8 are cut through the action of the third blades, and the influence of the floaters, the fishing nets, the mooring ropes and other sundries on the first connecting rod 8 and the second connecting rod 15 is reduced.

Referring to fig. 3, the control member includes a casing 5 which is sleeved on the outer side of the stern shaft bracket 4 and fixedly connected with the stern shaft bracket 4, a driving groove 6 is formed in the casing 5, one end of the stern shaft bracket 4 extends into the driving groove 6 and is fixedly connected with the casing 5, a second rotary table 13 is rotatably connected with the casing 5 and one end of the second rotary table 13 extends into the driving groove 6, one end of the stern shaft body 3 away from the paddle 2 extends into the driving groove 6 and is rotatably connected with the casing 5, a part of the stern shaft body 3 extending into the driving groove 6 penetrates through the stern shaft bracket 4 and is rotatably connected with the stern shaft bracket 4, a first rotary table 7 is rotatably connected with the casing 5 and extends into the driving groove 6, a first gear 10 which is sleeved on the outer side of the stern shaft body 3 is fixedly installed on a part of the first rotary table 7 extending into the driving groove 6, second gears 11 which are meshed with the first gear 10 are respectively arranged on both sides of the first gear 10, and two second gears 11 are rotatably connected with the inner wall of the casing 5, the third gear 12 between the two second gears 11 is arranged at the position opposite to the first gear 10, the third gear 12 and the second rotary table 13 are fixedly connected to the part of the driving groove 6 extending to the stern shaft body 3, the stern shaft body 3 rotates under the action of the main machine, the rotation of the stern shaft body 3 can drive the first rotary table 7 and the first gear 10 which are fixedly connected with the stern shaft body 3 to rotate, the first gear 10, the first rotary table 7 and the stern shaft body 3 are concentrically connected, the stern shaft body 3 penetrates through the first gear 10 and is fixedly connected with the first gear 10, the first gear 10 is meshed with the two second gears 11, the rotation of the first gear 10 can drive the two second gears 11 to rotate, the second gear 11 is meshed with the third gear 12, the rotation of the second gear 11 can drive the third gear 12 to rotate, the rotation directions of the first gear 10 and the third gear 12 are opposite, the rotation of the third gear 12 will drive the second rotary disc 13 fixedly connected to the third gear 12 to rotate, and the rotation of the second rotary disc 13 will drive the connecting plate 14 fixedly connected to the second rotary disc 13 to rotate.

As shown in fig. 3, the stern shaft body 3, the first rotary table 7, the first gear 10, the stern shaft bracket 4, the second rotary table 13 and the third gear 12 are all concentrically arranged.

As shown in fig. 2 and fig. 3, the joint of the first rotating disc 7 and the housing 5 is sealed, the joint of the second rotating disc 13 and the housing 5 is sealed, so that the influence of water flow on the first gear 10, the second gear 11 and the third gear 12 inside the housing 5 is reduced, and the outer surface of the housing 5 is streamline, so that the water flow resistance is reduced.

When the device is used, a screw shaft body 3 fixedly connected with an output shaft of a main machine is driven to rotate under the action of the main machine, the rotation of the screw shaft body 3 drives a first rotary disc 7 and a first gear 10 fixedly connected with the screw shaft body 3 to rotate, the first gear 10 is meshed with two second gears 11, the rotation of the first gear 10 drives the two second gears 11 to rotate, the second gear 11 is meshed with a third gear 12, the rotation of the second gear 11 drives the third gear 12 to rotate, the rotation directions of the first gear 10 and the third gear 12 are opposite, the rotation of the third gear 12 drives a second rotary disc 13 fixedly connected with the third gear 12 to rotate, the rotation of the second rotary disc 13 drives a connecting plate 14 fixedly connected with the second rotary disc 13 to rotate, the rotation of the connecting plate 14 drives a second connecting rod 15 and a second blade 16 fixedly connected with the connecting plate 14 to rotate, the rotation of the first rotary disc 7 drives a first connecting rod 8 and a first blade 9 fixedly connected with the first rotary disc 7 to rotate, the second blade 16 and the first blade 9 rotate, the blade 2 and a fishing net and the floating rope 16 and the like are cut debris;

meanwhile, third blades for cutting sundries such as floaters, fishing nets, mooring ropes and the like are arranged on the second connecting rod 15 and the first connecting rod 8, and the influence of the sundries such as the floaters, the fishing nets, the mooring ropes and the like on the second connecting rod 15 and the first connecting rod 8 is reduced.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a stern axle anti-wind structure, includes propeller hub (1) and stern pedestal (4), its characterized in that, fixed mounting has a plurality of paddle (2) on the circumference outer wall of propeller hub (1), the one end fixed mounting of propeller hub (1) has stern shaft body (3), stern shaft body (3) wear to establish stern pedestal (4) and with the output shaft end fixed connection of host computer, fixed mounting has first carousel (7) on the circumference outer wall of stern shaft body (3), be equipped with first cutting assembly on first carousel (7), it is connected with second carousel (13) to rotate on the circumference outer wall of stern pedestal (4), be equipped with second cutting assembly on second carousel (13), be equipped with the control of driving first cutting assembly and second cutting assembly antiport on stern pedestal (4).

2. The anti-winding structure of the stern shaft as claimed in claim 1, wherein the first cutting assembly comprises a plurality of first connecting rods (8) fixedly connected with a first rotating disc (7), the center line direction of the first connecting rods (8) is parallel to the center line direction of the stern shaft body (3), the first rotating disc (7) and the stern shaft body (3) are concentrically arranged, a first blade (9) is fixedly installed at one end, far away from the first rotating disc (7), of each first connecting rod (8), and the first connecting rods (8) are arranged in an array mode by taking the center point of the first rotating disc (7) as the circle center.

3. The anti-winding structure of the screw shaft as claimed in claim 2, wherein the second cutting assembly comprises a plurality of connecting plates (14) fixedly connected with the second rotary table (13), the second rotary table (13) is concentrically arranged with the screw shaft body (3), the plurality of connecting plates (14) are arranged in an array form by taking the center of the second rotary table (13) as a circle center, the connecting plates (14) are fixedly provided with second connecting rods (15), one ends of the second connecting rods (15) far away from the connecting plates (14) are fixedly provided with second blades (16), the second blades (16) and the first blades (9) are arranged in a staggered manner, and the center line direction of the second connecting rods (15) is parallel to the center line direction of the first connecting rods (8).

4. The anti-winding structure for the screw shaft as claimed in claim 3, wherein the first connecting rod (8), the connecting plate (14) and the second connecting rod (15) are radially provided with third blades for cutting floaters, fishing nets, cables and other sundries, and the third blades are arranged in a staggered manner.

5. The anti-winding structure for the stern shaft as claimed in claim 1, wherein the control member comprises a casing (5) sleeved outside the stern shaft bracket (4) and fixedly connected with the stern shaft bracket (4), a driving groove (6) is formed inside the casing (5), one end of the stern shaft bracket (4) extends into the driving groove (6) and is fixedly connected with the casing (5), the second rotary table (13) is rotatably connected with the casing (5) and one end of the second rotary table (13) extends into the driving groove (6);

one end, far away from the paddle (2), of the stern shaft body (3) extends into the driving groove (6) and is connected with the casing (5) in a rotating mode, the part, extending to the driving groove (6), of the stern shaft body (3) penetrates through the stern shaft frame (4) and is connected with the stern shaft frame (4) in a rotating mode, and the first rotary disc (7) is connected with the casing (5) in a rotating mode and extends into the driving groove (6);

first carousel (7) extend to the inside part fixed mounting of drive groove (6) and establish first gear (10) in stern axle body (3) outside, the both sides of first gear (10) all are equipped with second gear (11) with first gear (10) meshing, two second gear (11) all rotate with casing (5) inner wall and are connected, the relative position department of first gear (10) is equipped with third gear (12) that are located between two second gear (11), third gear (12) and second carousel (13) extend to the part fixed connection of drive groove (6).

6. The anti-wind structure of the stern shaft as claimed in claim 5, wherein the stern shaft body (3), the first rotary disk (7), the first gear (10), the stern shaft bracket (4), the second rotary disk (13) and the third gear (12) are all concentrically arranged.