CN111268084B

CN111268084B - Marine rudder shaft protection device

Info

Publication number: CN111268084B
Application number: CN202010191808.8A
Authority: CN
Inventors: 王苗苗; 蔡龙赐; 张飞达
Original assignee: Guoyang Xinlong Ship Accessories Co ltd
Current assignee: Guoyang Xinlong Ship Accessories Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-10-26
Anticipated expiration: 2040-03-18
Also published as: CN111268084A

Abstract

The invention discloses a marine rudder shaft protection device which comprises a rudder shaft, wherein one end of the rudder shaft is connected with a rudder blade, the other end of the rudder shaft is connected with a ship body, the side edge of the rudder shaft is provided with at least one cleaning assembly, the cleaning assembly comprises a connecting block, an opening is formed in the connecting block, a movable door is arranged in the opening in a sliding mode, the movable door is annular, a cavity is formed in the connecting block, a second motor is fixedly arranged in the cavity, the output end of the second motor is connected with a rotating shaft, a second cutting knife is hinged to the outer side of the rotating shaft at equal intervals, the second cutting knife is located in the center of the opening, and a drainage assembly communicated with the cavity is arranged at the lower end of the connecting block. The invention is convenient for reducing the winding of objects such as aquatic plants and the like on the rudder shaft.

Description

Marine rudder shaft protection device

Technical Field

The invention relates to the technical field of rudder shaft protection, in particular to a rudder shaft protection device for a ship.

Background

The rudder shaft is a transmission device which replaces a rudder post, is provided with a fixed shaft for sleeving a rudder blade on the fixed shaft to rotate, connects the rudder blade with a steering engine driving mechanism and transmits steering torque.

The existing rudder shaft is single in structure and function, when a ship sails away from a wharf, a reef or in an ice region, the rudder collides with the wharf, ice blocks and the reef with high possibility, and the impact force of the collision moment of the rudder blade is very large, so that the rudder blade can bear the impact action of huge wave force, and the force acting on the rudder blade can cause fatal damage to the rudder shaft; in addition, in the process of ship driving, objects such as aquatic weeds and the like can be wound on the rudder shaft, so that the driving of the ship is affected.

Disclosure of Invention

In view of the above, the present invention is directed to a rudder shaft shielding device for ships, which is designed to solve all or one of the problems of the related art.

The marine rudder shaft protection device comprises a rudder shaft, wherein one end of the rudder shaft is connected with a rudder blade, the other end of the rudder shaft is connected with a ship body, the side edge of the rudder shaft is provided with at least one cleaning assembly, the cleaning assembly comprises a connecting block, an opening is formed in the connecting block, a movable door is arranged in a sliding mode in the opening, the movable door is annular, a cavity is formed in the connecting block, a second motor is fixedly arranged in the cavity, the output end of the second motor is connected with a rotating shaft, second cutting knives are hinged to the outer side of the rotating shaft at equal intervals and located in the center of the opening, a drainage assembly communicated with the cavity is arranged at the lower end of the connecting block, and the drainage assembly is used for discharging solution in the cavity.

Optionally, the floating gate with cavity inside wall sliding connection, the electronic flexible push rod of fixedly connected with second on the cavity inside wall, the flexible end of the electronic flexible push rod of second with floating gate fixed connection, set up many spouts that are parallel to each other on the cavity inside wall, sliding connection in the spout with floating gate fixed connection's slider.

Optionally, a first limit strip fixedly connected with the rotating shaft is arranged on the left side of each second cutting knife, and a second limit strip fixedly connected with the rotating shaft is arranged on the right side of each second cutting knife.

Optionally, the drainage assembly comprises a drainage pipe communicated with the cavity, a baffle is hinged to the upper portion of the interior of the drainage pipe, a limiting block fixedly connected with the inner side wall of the drainage pipe is arranged above the baffle, the middle of the lower end face of the baffle is connected with the inner side wall of the drainage pipe through an elastic spring, an impeller is arranged below the baffle, and an electromagnetic switch valve connected with the drainage pipe is arranged below the impeller.

Optionally, a supporting groove is formed in the opposite side surfaces of the rudder blade and the hull, the supporting groove is circular, a first electric telescopic push rod is connected to the opposite side surfaces of the connecting block and the rudder blade, and a supporting clamping block matched with the supporting groove is connected to the telescopic end of the first electric telescopic push rod.

Optionally, a third motor is fixedly connected in the connecting block, an output end of the third motor runs through the connecting block and the first electric telescopic push rod is fixedly connected, a sleeve block is arranged on the first electric telescopic push rod, two first cutting knives are hinged to the sleeve block, and each first cutting knife is connected with the sleeve block through a hinge shaft.

Optionally, a first motor is arranged in the sleeve block, an output end of the first motor is connected with a first gear, a first rack and a second rack are respectively meshed and connected to the upper portion and the lower portion of the first gear, rack ports are respectively formed in the upper end face and the lower end face of the second rack, a second gear is respectively meshed and connected to the upper ends of the first rack and the second rack, and each second gear is respectively sleeved on two hinge shafts.

From the above, the beneficial effects of the invention are:

1. the invention is provided with the second cutting knife, if the object such as aquatic plants and the like is possibly wound at the rudder shaft during the running process of the ship, the movable door is opened in a sliding way, then the second motor is started, and the rotating shaft is driven to rotate by the starting of the second motor, so that the second cutting knife is convenient for cleaning the object such as aquatic plants and the like at the outer side of the rudder shaft, and simultaneously, the object such as aquatic plants and the like can be prevented from being possibly wound at the rudder shaft, after the object is cleaned, the movable door is closed, and the drainage assembly starts to work and is convenient for cleaning the sundries in the cavity.

2. The invention is provided with the drainage component, which is convenient for cleaning the solution in the cavity, the impeller rotates to discharge the solution out of the cavity, and the baffle is convenient for preventing backflow and preventing the solution outside the cavity from flowing into the drainage pipe.

3. The support groove, the first electric telescopic push rod and the support clamping block are arranged, so that torsion generated by the rudder shaft can be effectively reduced, when a ship sails away from a wharf, a reef or in an ice region, the rudder collides with the wharf, ice blocks and the reef at a higher probability, instantaneous collision force of collision of rudder blades is reduced, the impact effect of huge wave force borne by the rudder blades is reduced, the first electric telescopic push rod is started to extend so that the support clamping block can be clamped in the support groove conveniently, a support effect can be achieved, force acting on the rudder blades is weakened, and damage to the rudder shaft is reduced.

4. The invention is provided with the third motor and the first cutting knife, so that the winding of objects such as aquatic weeds and the like on the rudder shaft can be further reduced, the third motor is started to drive the first electric telescopic push rod conveniently, and the first cutting knife is arranged on the first electric telescopic push rod and is convenient for further cleaning the objects such as aquatic weeds and the like on the outer side of the rudder shaft.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a rudder shaft protecting device for a ship according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a water discharge pipe of an embodiment of the rudder shaft protecting device for a ship of the present invention;

fig. 4 is a schematic structural diagram of a nest block of an embodiment of the rudder shaft protecting device for the ship of the present invention.

In the figure: the rudder blade 1, the rudder shaft 2, the hull 3, the first cutting knife 4, the hinge shaft 5, the support groove 6, the support fixture block 7, the first electric telescopic push rod 8, the first motor 9, the first gear 10, the second gear 11, the first rack 12, the second rack 13, the connection block 14, the cavity 15, the movable door 16, the second electric telescopic push rod 17, the drain pipe 18, the impeller 19, the baffle 20, the stopper 21, the elastic spring 22, the second motor 23, the rotation shaft 24, the second cutting knife 25 and the third motor 26.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.

The utility model provides a marine rudder axle protector, includes rudder axle 2, rudder axle 2 one end is connected with rudder blade 1, the rudder axle 2 other end is connected with hull 3, rudder axle 2 side is provided with at least one clearance subassembly, the clearance subassembly includes connecting block 14, the opening has been seted up on the connecting block 14, it is provided with floating gate 16 to open mouthful slip, floating gate 16 is ring shape, cavity 15 has been seted up in the connecting block 14, the fixed second motor 23 that is provided with in cavity 15, the output of second motor 23 is connected with axis of rotation 24, the equidistant articulated second sword 25 that cuts in the axis of rotation 24 outside, second sword 25 is located opening the positive central point department, the connecting block 14 lower extreme be provided with the drainage subassembly of cavity 15 intercommunication, drainage subassembly is used for discharging the solution in the cavity 15, the ship is at the in-process of traveling, if it is possible that objects such as aquatic weeds can be wound at the rudder shaft, the movable door 16 is opened in a sliding mode, then the second motor 23 is started, the second motor 23 is started to drive the rotating shaft 24 to rotate, the second cutting knife 25 is enabled to facilitate cleaning of the objects such as aquatic weeds on the outer side of the rudder shaft 2, meanwhile, the objects such as the aquatic weeds can be prevented from being wound at the rudder shaft, after cleaning is completed, the movable door 16 is closed, and the drainage assembly starts to work to facilitate cleaning of sundries in the cavity 15.

In order to facilitate the sliding opening of the movable door 16, the second cutting knife 25 is convenient for cleaning up objects such as aquatic weeds outside the rudder shaft 2, is convenient for protecting the rudder shaft 2, can effectively prevent the damage caused by the torsion increase of the rudder shaft 2 to the rudder shaft 2, the movable door 16 is in sliding connection with the inner side wall of the cavity 15, the electric telescopic push rod 17 of the second is fixedly connected to the inner side wall of the cavity 15, the telescopic end of the electric telescopic push rod 17 of the second is in fixed connection with the movable door 16, a plurality of parallel sliding grooves are formed in the inner side wall of the cavity 15, the sliding grooves are in sliding connection with sliding blocks of the movable door 16, and the movable door 16 is convenient to drive to move to the inner side of the cavity 15 due to the contraction of the electric telescopic push rod 17 of the second.

In order to prevent the influence of the plurality of second cutting knives 25 on each other and improve the cleaning of the plurality of second cutting knives 25 on objects such as aquatic plants, the left side of each second cutting knife 25 is provided with a first limiting strip fixedly connected with the rotating shaft 24, and the right side of each second cutting knife 25 is provided with a second limiting strip fixedly connected with the rotating shaft 24.

In order to facilitate the cleaning of the solution in the cavity 15, the drainage assembly comprises a drainage pipe 18 communicated with the cavity 15, a baffle 20 is hinged to the inner upper portion of the drainage pipe 18, a limiting block 21 fixedly connected with the inner side wall of the drainage pipe 18 is arranged above the baffle 20, the middle of the lower end face of the baffle 20 is connected with the inner side wall of the drainage pipe 18 through an elastic spring 22, an impeller 19 is arranged below the baffle 20, an electromagnetic switch valve connected with the drainage pipe 18 is arranged below the impeller 19, a driving part is connected to the end portion of the impeller 19, the driving part is a micro motor, the impeller 19 rotates to facilitate the solution to be discharged out of the cavity 15, and the baffle 20 is arranged to facilitate the backflow prevention and the solution outside the cavity to flow into the drainage pipe.

For the convenience of can effectively reduce rudder axle 2 and produce torsion, when the ship is from leaning on pier, reef or navigating in the ice bank, the rudder has great possibility to collide with pier, ice-cube, reef, and the rudder blade collision impact is very big in the twinkling of an eye for the rudder blade can bear the impact of huge wave power, rudder blade 1 with 3 sides in opposite directions of hull have seted up holding tank 6, holding tank 6 is ring shape, connecting block 14 with rudder blade 1 is connected with first electric telescopic push rod 8 to the side, the flexible end of first electric telescopic push rod 8 be connected with the support fixture block 7 that the cooperation of holding tank 6 set up, first electric telescopic push rod 8 start-up extension be convenient for with support fixture block 7 joint to holding tank 6 in, can play the effect of support, should act on the power on the rudder blade and weaken, reduced the damage to the rudder axle.

For the convenience of further reducing the winding of objects such as aquatic weeds in the rudder shaft, fixedly connected with third motor 26 in the connecting block 14, the output of third motor 26 runs through connecting block 14 with 8 fixed connection of first electric telescopic rod, be provided with the pocket on the first electric telescopic rod 8, it has two first cutters 4, every to articulate on the pocket first cutter 4 pass through articulated shaft 5 with the pocket is connected, supports fixture block 7 and is arc, is convenient for support fixture block 7 and can rotate in supporting groove 6, and third motor 26 starts, is convenient for drive first electric telescopic rod 8, and be provided with first cutter 4 on the first electric telescopic rod 8, first cutter 4 is convenient for further to the clearance of objects such as aquatic weeds in the 2 outsides of rudder shaft.

In order to further reduce the winding of objects such as aquatic weeds and the like around the rudder shaft, a first motor 9 is arranged in the sleeve block, the output end of the first motor 9 is connected with a first gear 10, the upper part and the lower part of the first gear 10 are respectively connected with a first rack 12 and a second rack 13 in a meshing manner, the first rack 12 and the second rack 13 are arranged in parallel, the first rack 12 and the second rack 13 are both obliquely arranged with the axis of the first electric telescopic push rod 8, the upper end surface and the lower end surface of the second rack 13 are both provided with rack openings, the upper ends of the first rack 12 and the second rack 13 are both connected with a second gear 11 in a meshing manner, each second gear 11 is respectively sleeved on two hinge shafts 5, the first motor 9 rotates to facilitate driving the first gear 10 to rotate, so that the first rack 12 and the second rack 13 move in opposite directions or in reverse directions, be convenient for drive first rotation of tailorring sword 4, be convenient for further reduce objects such as aquatic pasture and water again and twine at the rudder axle for the clearance is high efficiency fast.

In the process that the ship was traveling, if it is possible for objects such as pasture and water to twine rudder shaft department to find, the floating gate 16 slides and opens, then start second motor 23, the start-up of second motor 23 drives axis of rotation 24 and rotates for the second is tailor sword 25 and is convenient for the clearance to objects such as pasture and water in the rudder shaft 2 outside, also can prevent objects such as pasture and water to twine rudder shaft department simultaneously, clear up the back, floating gate 16 closes, drainage component begins work and is convenient for the clearance to the debris of cavity 15.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

Where specific details are set forth in order to describe example embodiments of the invention, it will be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a marine rudder axle protector, its characterized in that includes rudder axle (2), rudder axle (2) one end is connected with rudder blade (1), rudder axle (2) other end is connected with hull (3), rudder axle (2) side is provided with at least one clearance subassembly, the clearance subassembly includes connecting block (14), seted up on connecting block (14) and beaten the opening, it is provided with floating gate (16) to open the opening slip, floating gate (16) are ring shape, seted up cavity (15) in connecting block (14), cavity (15) internal fixation is provided with second motor (23), the output of second motor (23) is connected with axis of rotation (24), equidistant the articulating in axis of rotation (24) outside has second to tailor sword (25), second is tailed sword (25) and is located beat opening centre position department, the lower end of the connecting block (14) is provided with a drainage component communicated with the cavity (15), and the drainage component is used for discharging the solution in the cavity (15);

the movable door (16) with cavity (15) inside wall sliding connection, fixedly connected with second electric telescopic push rod (17) on cavity (15) inside wall, the flexible end of second electric telescopic push rod (17) with movable door (16) fixed connection, set up many parallel to each other's spout on cavity (15) inside wall, sliding connection in the spout with movable door (16) fixed connection's slider, rudder blade (1) with supporting groove (6) have been seted up to hull (3) side in opposite directions, supporting groove (6) are ring shape, connecting block (14) with rudder blade (1) side in opposite directions is connected with first electric telescopic push rod (8), the flexible end of first electric telescopic push rod (8) be connected with supporting fixture block (7) that supporting groove (6) cooperation set up.

2. Rudder shaft guard for ships according to claim 1, characterised in that the left side of each second cutting blade (25) is provided with a first stop strip fixedly connected to the rotation shaft (24), and the right side of each second cutting blade (25) is provided with a second stop strip fixedly connected to the rotation shaft (24).

3. The marine rudder shaft protecting device according to claim 1, wherein the drainage assembly comprises a drainage pipe (18) communicated with the cavity (15), a baffle (20) is hinged to the inner upper portion of the drainage pipe (18), a limiting block (21) fixedly connected with the inner side wall of the drainage pipe (18) is arranged above the baffle (20), the middle of the lower end face of the baffle (20) is connected with the inner side wall of the drainage pipe (18) through an elastic spring (22), an impeller (19) is arranged below the baffle (20), and an electromagnetic switch valve connected with the drainage pipe (18) is arranged below the impeller (19).

4. The marine rudder shaft protecting device according to claim 1, wherein a third motor (26) is fixedly connected in the connecting block (14), an output end of the third motor (26) penetrates through the connecting block (14) and is fixedly connected with the first electric telescopic push rod (8), a sleeve block is arranged on the first electric telescopic push rod (8), two first cutting knives (4) are hinged on the sleeve block, and each first cutting knife (4) is connected with the sleeve block through a hinge shaft (5).

5. The marine rudder shaft protecting device according to claim 4, wherein a first motor (9) is arranged in the sleeve block, the output end of the first motor (9) is connected with a first gear (10), a first rack (12) and a second rack (13) are respectively connected above and below the first gear (10) in a meshed manner, rack openings are respectively formed in the upper end face and the lower end face of the second rack (13), a second gear (11) is respectively connected to the upper ends of the first rack (12) and the second rack (13) in a meshed manner, and each second gear (11) is respectively sleeved on the two hinge shafts (5).