CN111332451B - Marine rudder shaft device - Google Patents
Marine rudder shaft device Download PDFInfo
- Publication number
- CN111332451B CN111332451B CN202010178311.2A CN202010178311A CN111332451B CN 111332451 B CN111332451 B CN 111332451B CN 202010178311 A CN202010178311 A CN 202010178311A CN 111332451 B CN111332451 B CN 111332451B
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- Prior art keywords
- rudder
- shaft
- rudder shaft
- lever
- connecting shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/18—Transmitting of movement of initiating means to steering engine
- B63H25/20—Transmitting of movement of initiating means to steering engine by mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a marine rudder shaft device, which comprises a rudder shaft outer tube, wherein one end of a rudder shaft penetrates into the rudder shaft outer tube, the bottom end of the rudder shaft is connected with a connecting shaft, the lower end of the connecting shaft penetrates out of a sealing bearing downwards, a piston block is sleeved on the outer wall of the connecting shaft in a fitting manner to form a sealing cavity with the middle of the sealing bearing so as to isolate and prevent corrosion of the rudder shaft, a passivating agent is filled in the sealing cavity and is used for passivating and preventing corrosion of the connecting shaft in the sealing cavity, the piston block can be pushed to slide upwards through an electric elastic telescopic rod so as to drive the bottom end of the connecting shaft to penetrate into the sealing bearing upwards, meanwhile, a lug can be pressed inwards through the sealing bearing so as to trigger an anti-winding device to be unfolded so as to cut a wound object, and meanwhile, the part of the bottom end of the connecting shaft, which is contacted with seawater, can be moved into a passivating agent to be passivated and prevented from corrosion in real time and controlled more comprehensively, and meanwhile, the controllable anti-winding function is realized.
Description
Technical Field
The invention relates to the technical field of ship accessories, in particular to a marine rudder shaft device.
Background
The rudder shaft is a transmission device which connects the rudder blade with a steering engine driving mechanism and transmits rudder torque, and is used as an important component of a turbine, in the long-term use process, as the rudder shaft is soaked in seawater for a long time, the surface of the rudder shaft is easy to form corrosive wear, thereby influencing the transmission performance and shortening the service cycle, the traditional rudder shaft corrosion resisting means is mainly to enhance the corrosion resisting performance by changing the material of the rudder shaft, but still can not provide long-term and reliable protection, on the other hand, as some floating sundries or aquatic animals and plants on water often can be wound around the rudder shaft or the rudder blade, thereby influencing the rotation characteristics of the rudder shaft and the rudder blade, thereby influencing the propulsion characteristic and stable navigation of a ship.
Disclosure of Invention
In view of the above, the present invention is directed to a marine rudder shaft device, so as to achieve the anti-twisting function and the better anti-corrosion protection function.
The invention discloses a rudder shaft device for a ship, which is arranged at the lower end of a ship body and comprises:
the rudder shaft outer pipe is fixed at the lower end of the ship body;
the sealing bearing is fixed at the bottom end of the outer tube of the rudder shaft;
one end of the rudder shaft penetrates into the rudder shaft outer tube, and the other end of the rudder shaft extends upwards out of the upper end of the rudder shaft outer tube;
the connecting shaft is connected to the bottom end of the rudder shaft so as to drive the connecting shaft to axially rotate through the rudder shaft, the lower end of the connecting shaft downwards penetrates through the sealing bearing and can axially rotate along the sealing bearing, and the diameter of the cross section of the connecting shaft is smaller than that of the cross section of the rudder shaft;
the outer side wall of the piston block is attached to the inner side wall of the outer tube of the rudder shaft so as to form a sealing cavity with the middle of the sealing bearing;
the passivating agent is filled in the sealing cavity and used for passivation and corrosion prevention;
the rudder blade is fixedly connected to the bottom end of the connecting shaft;
the convex block is arranged on the side wall at the bottom end of the connecting shaft, and the upper end face of the convex block is designed into an inclined plane inclining downwards;
the anti-winding device is embedded in the rudder blade and is mechanically connected with the lug;
the electric elastic telescopic rod is fixed in the sealing cavity and can push the piston block to slide upwards through the electric elastic telescopic rod so as to drive the bottom end of the connecting shaft to penetrate into the sealing bearing, so as to inwards press the convex block through the sealing bearing, so as to trigger the anti-winding device to be unfolded and cut a winding object.
Preferably, the anti-winding device comprises a shaft lever, a lever and a blade, wherein the shaft lever is horizontally arranged in the rudder blade and can rotate along the axial direction, the top end of the lever is fixedly connected with the bump, the upper end of the lever close to the bump is fixedly connected with the shaft lever, the blade is fixed on the side wall of one side of the lever facing outwards, and the top end of the lever can be pushed inwards by pressing the bump inwards so as to drive the shaft lever to rotate and drive the blade to expand outwards for cutting.
Preferably, the anti-winding device further comprises an elastic member, one end of the elastic member is fixed on the side wall of the inward side of the lever, and the other end of the elastic member is fixed on the rudder blade inwards, so that the lever and the blade can be driven to retract and reset inwards through the elastic member.
Preferably, the lug and the anti-winding device are both provided with two, the lug is symmetrically arranged on two sides of the bottom end of the connecting shaft, and the anti-winding device is arranged on two sides of the rudder blade relatively.
Preferably, the number of the electric elastic telescopic rods is two, and the two electric elastic telescopic rods are symmetrically arranged on two sides in the sealed cavity.
Preferably, still be provided with coupling mechanism, coupling mechanism is including the montant, bolt, nut, the montant is fixed in the connecting axle upper end, and can upwards run through into the rudder axle in, the montant extends to and is equipped with the recess on the lateral wall in the hull, is equipped with the through-hole on the rudder axle lateral wall relatively, the mutual screw-thread fit of bolt and nut, and the mutual screw-thread fit of bolt and through-hole inner wall to accessible bolt screw in through-hole, with the block in the recess, in order to dismantle fixed connection connecting axle and rudder axle.
Preferably, the inner wall of the groove is provided with a thread matched with the bolt, so that the bolt can be sequentially in threaded connection with the through hole and the groove to be clamped and fixed.
Preferably, the side wall of the outer pipe of the rudder shaft is provided with a liquid inlet valve for supplementing liquid into the sealing cavity.
Preferably, the outer pipe of the rudder shaft and the outer wall of the rudder blade are coated with anticorrosive coatings.
From the above, the marine rudder shaft device designed by the invention has the advantages that the rudder shaft outer tube is arranged, the sealing bearing is fixed at the bottom end of the rudder shaft outer tube, the rudder shaft is arranged, one end of the rudder shaft penetrates into the rudder shaft outer tube, the other end of the rudder shaft extends upwards out of the upper end of the rudder shaft outer tube and is used for being mechanically connected with the steering engine driving mechanism in the ship body so as to drive the rudder shaft to rotate, the bottom end of the rudder shaft is connected with the connecting shaft, the lower end of the connecting shaft downwards penetrates out of the sealing bearing, the rudder blade is fixedly connected with the connecting shaft, the outer wall of the connecting shaft is attached and sleeved with the piston block, the outer side wall of the piston block is attached to the inner side wall of the rudder shaft outer tube, so that a sealed cavity can be formed between the piston block and the sealing bearing, therefore, the rudder shaft can be driven to rotate by the rotation of the rudder shaft so as to drive the rudder blade to steer, and the rudder shaft and the ship body can be completely isolated by the sealed cavity so as to avoid seawater corrosion, therefore, the function of protecting and preventing the rudder shaft from being corroded without influencing the normal performance of transmitting the steering torque is realized, the sealing cavity is filled with the passivating agent, the passivating agent can be generally selected from inorganic strong oxidants such as chromate, nitrate, molybdate and the like to keep a complete oxidation film on the metal surface, therefore, the passivating agent can be used for passivating and preventing the corrosion of the connecting shaft in the sealing cavity, the electric elastic telescopic rod is fixed in the sealing cavity and can push the piston block to slide upwards through the electric elastic telescopic rod, the rudder shaft can be pushed through the piston block to drive the bottom end of the connecting shaft to penetrate into the sealing bearing upwards due to the fact that the diameter of the cross section of the connecting shaft is smaller than that of the cross section of the rudder shaft, meanwhile, the side wall of the bottom end of the connecting shaft is provided with the convex block, the upper end face of the convex block is designed to be an inclined downward inclined plane, and therefore, the convex block can be pressed inwards through the sealing bearing to trigger the anti-winding device to be unfolded, with the cutting winding thing, the part of connecting axle bottom and sea water contact also can mostly move into in the passivator simultaneously, receives the passivation reaction in order to be anticorrosive, from this, when with anticorrosive through isolation protection rudder axle, can carry out real-time controllable more comprehensive passivation anticorrosive to the connecting axle, thereby realize better relatively, more reliable anticorrosion protection's function, simultaneously through the antiwind device, realize controllable antiwind function, thereby in order to ensure the rotating characteristic of rudder axle and rudder blade, in order to do benefit to the propulsion characteristic and the stable navigation of boats and ships.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a coupling mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an anti-wind device according to an embodiment of the present invention.
In the figure: the rudder shaft comprises a rudder shaft outer tube 1, a hull 2, a sealing bearing 3, a rudder shaft 4, a through hole 41, a connecting shaft 5, a piston block 6, a sealing cavity 7, a passivating agent 8, a rudder blade 9, a bump 10, an anti-winding device 11, a shaft rod 111, a lever 112, a blade 113, an elastic piece 114, an electric elastic telescopic rod 12, a connecting mechanism 13, a vertical rod 131, a groove 1311, a bolt 132, a nut 133 and a liquid inlet valve 14.
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.
A marine rudder shaft device is disclosed, as shown in figures 1 to 3, and comprises a rudder shaft outer tube 1, the rudder shaft outer tube 1 is fixed at the lower end of a ship body 2, a sealing bearing 3 is fixed at the bottom end of the rudder shaft outer tube 1, a rudder shaft 4 is arranged, one end of the rudder shaft 4 penetrates into the rudder shaft outer tube 1, the other end extends upwards out of the upper end of the rudder shaft outer tube 1, the bottom end of the rudder shaft 4 is connected with a connecting shaft 5, so that the connecting shaft 5 can be driven by the rudder shaft 4 to axially rotate, the lower end of the connecting shaft 5 downwards penetrates out of the sealing bearing 3 and can axially rotate along the sealing bearing 3, the diameter of the cross section of the connecting shaft 5 is smaller than that of the rudder shaft 4, a piston block 6 is fitted and sleeved on the outer wall of the connecting shaft 5, the outer side wall of the piston block 6 is fitted on the inner side wall of the rudder shaft outer tube 1, so as to form a sealing cavity 7 with the middle of the sealing bearing 3, a passivating agent 8 is filled in the sealing cavity 7 for passivation, a rudder blade 9 is fixedly connected to the bottom end of the rudder shaft 5, be equipped with lug 10 on the lateral wall of connecting axle 5 bottom, the design of lug 10 up end is the downward inclined plane of slope, the embedded antiwind device 11 that is equipped with of rudder blade 9, antiwind device 11 and lug 10 mechanical connection, sealed intracavity 7 internal fixation has electronic elastic telescopic rod 12, can promote piston piece 6 upwards sliding through electronic elastic telescopic rod 12, in order to drive connecting axle 5 bottom and penetrate sealed bearing 3, in order to inwards press lug 10 through sealed bearing 3, in order to trigger the expansion of antiwind device 11, in order to cut the winding.
The invention sets an outer tube 1 of the rudder shaft, the bottom end of the outer tube 1 of the rudder shaft is fixed with a sealing bearing 3 and is provided with a rudder shaft 4, one end of the rudder shaft 4 penetrates into the outer tube 1 of the rudder shaft, the other end extends upwards out of the upper end of the outer tube 1 of the rudder shaft and is used for being mechanically connected with a steering engine driving mechanism in a ship body 2 so as to drive the rudder shaft 4 to rotate, the bottom end of the rudder shaft 4 is connected with a connecting shaft 5, the lower end of the connecting shaft 5 penetrates out of the sealing bearing 3 downwards, the connecting shaft 5 penetrates out of the bottom end of the sealing bearing 3 and is fixedly connected with a rudder blade 9, the outer wall of the connecting shaft 5 is fitted and sleeved with a piston block 6, the outer side wall of the piston block 6 is fitted and connected with the inner side wall of the outer tube 1 of the rudder shaft, so that a sealed cavity 7 can be formed between the piston block 6 and the sealing bearing 3, therefore, the connecting shaft 5 can be driven to rotate by the rotation of the rudder shaft 4 so as to drive the rudder blade 9 to turn, and the rudder shaft 4 can be completely isolated from the ship body 2 by the sealed cavity 7, in order to avoid corrosion caused by seawater contact and realize the function of protecting and preventing the rudder shaft 4 from corrosion without influencing the performance of normally transmitting rudder torque, the sealing cavity 7 is filled with the passivating agent 8, the passivating agent 8 can be generally selected from inorganic strong oxidants such as chromate, nitrate, molybdate and the like so as to ensure that the metal surface keeps a complete oxidation film, therefore, the passivating agent can be used for passivating and preventing the connecting shaft 5 in the sealing cavity 7 from corrosion, the sealing cavity 7 is internally fixed with the electric elastic telescopic rod 12, the piston block 6 can be pushed to slide upwards through the electric elastic telescopic rod 12, and the diameter of the cross section of the connecting shaft 5 is smaller than that of the cross section of the rudder shaft 4, so that the rudder shaft 4 can be pushed through the piston block 6 to drive the bottom end of the connecting shaft 5 to penetrate into the sealing bearing 3 upwards, meanwhile, the side wall of the bottom end of the connecting shaft 5 is provided with the convex block 10, and the upper end face of the convex block 10 is designed to be an inclined plane downwards, from this accessible sealed bearing 3 inwards presses lug 10, in order to trigger anti-wind device 11 and launch, in order to cut the winding, the part of 5 bottoms of connecting axle and sea water contact also can mostly move into in passivator 8 simultaneously, it is in order anticorrosive by the passivation reaction, from this, when protecting rudder axle 4 with anticorrosive through isolation, can carry out real-time controllable more comprehensive passivation anticorrosive to connecting axle 5, thereby realize better relatively, more reliable anticorrosive protection's function, simultaneously through anti-wind device 11, realize controllable anti-wind function, thereby in order to ensure the rotating characteristic of rudder axle 4 and rudder blade 9, in order to do benefit to the propulsion characteristic and the stable navigation of boats and ships.
In the embodiment of the present invention, the anti-wind device 11 includes a shaft 111, a lever 112, and a blade 113, the shaft 111 is horizontally disposed in the rudder blade 9 and can rotate along the axial direction, the top end of the lever 112 is fixedly connected with the protrusion 10, the upper end of the lever 112 near the protrusion 10 is fixedly connected with the shaft 111, and the blade 113 is fixed on the sidewall of the outward side of the lever 112, so that by pressing the protrusion 10 inward, the top end of the lever 112 can be pushed inward to drive the shaft 111 to rotate, and the blade 113 is driven to expand outward to cut the wound object.
In the embodiment of the present invention, the anti-wind device 11 further includes an elastic member 114, one end of the elastic member 114 is fixed on the inward side wall of the lever 112, and the other end is fixed inward on the rudder blade 9, so that the elastic member 114 can drive the lever 112 and the blade 113 to fold inward for resetting, thereby facilitating the efficiency of folding and resetting.
In the embodiment of the invention, two protrusions 10 and two anti-winding devices 11 are provided, the protrusions 10 are symmetrically provided at two sides of the bottom end of the connecting shaft 5, and the anti-winding devices 11 are oppositely provided at two sides of the rudder blade 9, so that the protrusions 10 at two sides can be pressed inwards through the sealed bearing 3 to trigger the anti-winding devices 11 at two sides to be unfolded simultaneously, thereby further improving the cutting effect.
In the embodiment of the present invention, two electric elastic telescopic rods 12 are symmetrically disposed on two sides of the sealed cavity 7, so as to facilitate the stability and efficiency of the electric elastic telescopic rods 12 lifting the piston block 6.
In the embodiment of the invention, the connecting mechanism 13 is further provided, the connecting mechanism 13 includes a vertical rod 131, a bolt 132 and a nut 133, the vertical rod 131 is fixed at the upper end of the connecting shaft 5 and can upwards penetrate into the rudder shaft 4, a groove 1311 is formed in the side wall of the vertical rod 131 extending into the hull 2, a through hole 41 is relatively formed in the side wall of the rudder shaft 4, the bolt 132 and the nut 133 are in threaded fit with each other, and the inner wall of the bolt 132 and the inner wall of the through hole 41 are in threaded fit with each other, so that the bolt 132 can be screwed into the through hole 41 to be clamped in the groove 1311 to detachably and fixedly connect the connecting shaft 5 and the rudder shaft 4, as the rudder shaft 4 can be isolated and protected by the sealed cavity 7, the bottom ends of the rudder blade 9 and the connecting shaft 5 still have the risk of corrosion damage, and the connecting mechanism 13 can fix and detach the connecting shaft 5 and the rudder shaft 4 in the hull 2 to facilitate maintenance and installation.
In the embodiment of the present invention, the inner wall of the groove 1311 is provided with a thread matching with the bolt 132, so that the bolt 132 can be sequentially screwed with the through hole 41 and the groove 1311 for fastening, thereby further improving the fastening firmness of the fastening.
In the embodiment of the invention, the side wall of the rudder shaft outer tube 1 is provided with a liquid inlet valve 14 for replenishing liquid into the sealing cavity 7 so as to facilitate replenishing and liquid replacement of the passivating agent 8.
In the embodiment of the invention, the outer tube 1 of the rudder shaft and the outer wall of the rudder blade 9 are coated with anticorrosive coatings so as to play a role in corrosion protection.
In the marine rudder shaft device disclosed by the invention, by arranging the rudder shaft outer tube 1, the bottom end of the rudder shaft outer tube 1 is fixed with the sealing bearing 3, one end of the rudder shaft 4 penetrates into the rudder shaft outer tube 1, the bottom end of the rudder shaft 4 is connected with the connecting shaft 5, the lower end of the connecting shaft 5 penetrates out of the sealing bearing 3 downwards, the outer wall of the connecting shaft 5 is fitted and sleeved with the piston block 6, so that a sealed cavity 7 can be formed between the piston block 6 and the sealing bearing 3, therefore, the rudder shaft 4 and the hull 2 can be completely isolated through the sealed cavity 7, so as to avoid the corrosion of seawater contact, thereby realizing the function of protecting the rudder shaft 4 against corrosion without influencing the normal transmission of the rudder torque, the piston block 6 can be pushed to slide upwards by controlling the electric elastic telescopic rod 12, so as to drive the bottom end of the connecting shaft 5 to penetrate into the sealing bearing 3 upwards, and simultaneously the lug 10 can be pressed inwards through the sealing bearing 3, triggering the anti-winding device 11 to expand to cut the wound object, and simultaneously moving the bottom end of the connecting shaft 5 into the passivating agent 8 in the sealed cavity 7 to perform real-time controllable and more comprehensive passivation and corrosion prevention on the connecting shaft 5, wherein the anti-winding device 11 comprises a shaft rod 111, a lever 112 and a blade 113, and by pressing the lug 10 inwards, the top end of the lever 112 can be pushed inwards to drive the shaft rod 111 to rotate so as to drive the blade 113 to expand outwards to cut the wound object, the anti-winding device 11 further comprises an elastic member 114, the lever 112 and the blade 113 can be driven by the elastic member 114 to fold inwards to reset so as to facilitate the efficiency of folding and resetting, two telescopic rods 10 and two anti-winding devices 11 are arranged to further improve the cutting effect, two telescopic rods 12 are arranged so as to facilitate the stability and efficiency of the piston block 6 lifted by the telescopic rod 12, and a connecting mechanism 13 is further arranged, the connecting mechanism 13 comprises a vertical rod 131, a bolt 132 and a nut 133, the bolt 132 is screwed into the through hole 41 to be clamped in the groove 1311, the connecting shaft 5 and the rudder shaft 4 are detachably and fixedly connected, maintenance and installation are facilitated, threads matched with the bolt 132 are arranged on the inner wall of the groove 1311, the bolt 132 can be sequentially in threaded connection with the through hole 41 and the groove 1311 and is fixed by clamping, a liquid inlet valve 14 is arranged on the side wall of the outer pipe 1 of the rudder shaft and used for supplementing liquid into the sealed cavity 7, and anticorrosive coatings are coated on the outer walls of the outer pipe 1 of the rudder shaft and the outer wall of the rudder blade 9 to play a role in anticorrosive protection.
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 technical features in the above embodiments or in different embodiments may be combined 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. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made without departing from the spirit or scope of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a hull lower extreme is located to marine rudder axle device, its characterized in that includes:
the rudder shaft outer pipe is fixed at the lower end of the ship body;
the sealing bearing is fixed at the bottom end of the outer tube of the rudder shaft;
one end of the rudder shaft penetrates into the rudder shaft outer tube, and the other end of the rudder shaft extends upwards out of the upper end of the rudder shaft outer tube;
the connecting shaft is connected to the bottom end of the rudder shaft so as to drive the connecting shaft to axially rotate through the rudder shaft, the lower end of the connecting shaft downwards penetrates through the sealing bearing and can axially rotate along the sealing bearing, and the diameter of the cross section of the connecting shaft is smaller than that of the cross section of the rudder shaft;
the outer side wall of the piston block is attached to the inner side wall of the rudder shaft outer tube so as to form a sealing cavity with the middle of the sealing bearing;
the passivating agent is filled in the sealing cavity and used for passivation and corrosion prevention;
the rudder blade is fixedly connected to the bottom end of the connecting shaft;
the convex block is arranged on the side wall at the bottom end of the connecting shaft, and the upper end face of the convex block is designed into an inclined plane inclining downwards;
the anti-winding device is embedded in the rudder blade and is mechanically connected with the lug;
the electric elastic telescopic rod is fixed in the sealing cavity, and can push the piston block to slide upwards so as to drive the bottom end of the connecting shaft to penetrate into the sealing bearing and press the lug inwards through the sealing bearing so as to trigger the anti-winding device to unfold and cut a wound object; the anti-winding device comprises a shaft lever, a lever and a blade, wherein the shaft lever is horizontally arranged in the rudder blade and can rotate along the axial direction, the top end of the lever is fixedly connected with the lug, the upper end of the lever, close to the lug, is fixedly connected with the shaft lever, the blade is fixed on the side wall of the outward side of the lever, and the top end of the lever can be pushed inwards by pressing the lug inwards to drive the shaft lever to rotate so as to drive the blade to be unfolded outwards for cutting; the anti-winding device also comprises an elastic part, one end of the elastic part is fixed on the side wall of the inward side of the lever, and the other end of the elastic part is inwards fixed on the rudder blade, so that the lever and the blade can be driven to be inwards folded and reset through the elastic part;
still including coupling mechanism, coupling mechanism is including montant, bolt, nut, the montant is fixed in the connecting axle upper end, and can upwards run through go into in the rudder axle, the montant extends to be equipped with the recess on the lateral wall in the hull, be equipped with the through-hole on the rudder axle lateral wall relatively, the bolt with the mutual screw-thread fit of nut, just the bolt with the mutual screw-thread fit of through-hole inner wall, with the accessible the bolt screw in the through-hole, with the block in the recess, in order to dismantle fixed connection the connecting axle with the rudder axle.
2. The rudder shaft device for ships according to claim 1, wherein two of the protrusions and the anti-winding devices are provided, the protrusions are symmetrically provided on both sides of the bottom end of the connecting shaft, and the anti-winding devices are oppositely provided on both sides of the rudder blade.
3. The marine rudder shaft device according to claim 1, wherein two of the electrically operated elastic telescopic rods are symmetrically arranged on two sides in the sealed cavity.
4. The marine rudder shaft device according to claim 1, wherein threads matched with the bolts are formed on the inner walls of the grooves, so that the bolts can be sequentially in threaded connection with the through holes and the grooves to be clamped and fixed.
5. The marine rudder shaft device according to claim 1, wherein a liquid inlet valve is arranged on a side wall of the outer pipe of the rudder shaft and used for supplying liquid into the sealing cavity.
6. Rudder shaft device for ships according to claim 1, characterised in that the outer rudder shaft tube and the outer rudder blade wall are coated with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178311.2A CN111332451B (en) | 2020-03-14 | 2020-03-14 | Marine rudder shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178311.2A CN111332451B (en) | 2020-03-14 | 2020-03-14 | Marine rudder shaft device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111332451A CN111332451A (en) | 2020-06-26 |
| CN111332451B true CN111332451B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010178311.2A Active CN111332451B (en) | 2020-03-14 | 2020-03-14 | Marine rudder shaft device |
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| CN114408140B (en) * | 2021-12-24 | 2023-06-20 | 宜昌测试技术研究所 | Fin rudder device suitable for underwater vehicle |
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| CN204279906U (en) * | 2014-10-14 | 2015-04-22 | 重庆帆洪船舶机械有限公司 | A kind of rudderpost peculiar to vessel |
| CN105818950B (en) * | 2016-03-30 | 2017-09-12 | 江苏省镇江船厂（集团）有限公司 | Oil platform support that the lifting of ship propeller is oriented to middle regulator and method of adjustment |
| CN106240782B (en) * | 2016-07-29 | 2018-10-30 | 扬帆集团股份有限公司 | A kind of scalable rudder blade |
| CN206664908U (en) * | 2017-03-21 | 2017-11-24 | 东台市海鹏船舶配件有限公司 | One kind is socketed telescopic rudder stock peculiar to vessel |
| CN208344491U (en) * | 2018-04-10 | 2019-01-08 | 滨州职业学院 | A kind of anti-piracy is gone on board device |
| CN209321214U (en) * | 2018-12-25 | 2019-08-30 | 泰兴市航海机械有限责任公司 | Quick treatment device is used in a kind of removing of hull propeller twister |
| CN109677578A (en) * | 2019-02-01 | 2019-04-26 | 天津海之星船艇科技有限公司 | A kind of unmanned boat Powerpush Unit partly latent |
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2020
- 2020-03-14 CN CN202010178311.2A patent/CN111332451B/en active Active
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