CN111457096A - Sealing combination device for rudder system of semi-submersible ship - Google Patents

Sealing combination device for rudder system of semi-submersible ship Download PDF

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Publication number
CN111457096A
CN111457096A CN202010335117.0A CN202010335117A CN111457096A CN 111457096 A CN111457096 A CN 111457096A CN 202010335117 A CN202010335117 A CN 202010335117A CN 111457096 A CN111457096 A CN 111457096A
Authority
CN
China
Prior art keywords
rudder
sealing
semi
rudder stock
deck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010335117.0A
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Chinese (zh)
Inventor
葛兴伟
巫振汉
梁娟
张明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Shipyard International Co Ltd
Original Assignee
Guangzhou Shipyard International Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Shipyard International Co Ltd filed Critical Guangzhou Shipyard International Co Ltd
Priority to CN202010335117.0A priority Critical patent/CN111457096A/en
Publication of CN111457096A publication Critical patent/CN111457096A/en
Pending legal-status Critical Current

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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
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • 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
    • B63H25/38—Rudders
    • 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
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/324—Arrangements for lubrication or cooling of the sealing itself
    • 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
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sealing Devices (AREA)

Abstract

The invention discloses a sealing combination device for a rudder system of a semi-submersible ship, and belongs to the technical field of ships. The sealing combination device for the rudder system of the semi-submersible ship comprises a rudder stock which is rotationally connected with a ship body, and the sealing combination device comprises a deck sealing element, a lower rudder bearing assembly, an upper sealing unit and a lower sealing unit, wherein the deck sealing element is sleeved on the rudder stock and is connected with a deck of the ship body, and the rudder stock is rotationally connected with the deck sealing element; the lower rudder bearing assembly is sleeved on the rudder stock and connected with the ship body; the upper sealing unit is arranged between the deck sealing member and the rudder stock, and the rudder stock is rotationally connected with the upper sealing unit; the lower sealing unit is arranged between the lower rudder bearing assembly and the rudder stock, and the rudder stock is rotatably connected with the lower sealing unit. The sealing combination device for the semi-submersible ship rudder system effectively improves the water tightness of the rudder system through double sealing protection of the upper sealing unit and the lower sealing unit.

Description

Sealing combination device for rudder system of semi-submersible ship
Technical Field
The invention relates to the technical field of ships, in particular to a sealing combination device for a rudder system of a semi-submersible ship.
Background
The semi-submerged ship is a special ship which can be used for large ship equipment transportation, such as an oil drilling platform, large ship transportation, salvage ship transportation and the like, is provided with a plurality of ballast tanks, and achieves floating and submerging of the ship by pressurizing ballast discharge. When the ship needs to be transported, the ballast tank is filled with water with a corresponding liquid level, the ship is wholly submerged, then the ship just below the ship running in the semi-submerged ship and at last the ship with the ballast tank in the row floats up, and meanwhile, the ship to be transported is also lifted and fixed together for transportation.
A steering engine room is arranged on the semi-submersible ship, a steering engine used for providing power is arranged in the steering engine room, and the steering engine drives a steering blade to rotate through a steering rod, so that the steering function is realized. The rudder cabin is an equipment cabin of the semi-submersible ship and is communicated with a plurality of cabins, once the rudder cabin is immersed, the steering engine fails, the ship cannot steer, the rudder cabin is immersed in a winch workshop, a winch cannot be moored, and if the rudder cabin is immersed in a main cabin, the ship loses power. Because the rudder system is in transmission, the rudder stock is in rotary connection with the ship body, a gap is formed between the rudder system and the ship body structure, and when the rudder cabin is submerged underwater along with the ship, the water pressure is high, and the risk of water immersion is high.
Disclosure of Invention
The invention aims to provide a sealing combination device for a rudder system of a semi-submersible ship, which improves the water tightness of the rudder system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sealing assembly for a semi-submersible vessel rudder system including a rudder stock in rotatable connection with a hull, the sealing assembly comprising:
the deck sealing element is sleeved on the rudder stock and connected with a deck of the ship body, and the rudder stock is rotationally connected with the deck sealing element;
the lower rudder bearing assembly is sleeved on the rudder stock and is connected with the ship body;
the upper sealing unit is arranged between the deck sealing member and the rudder stock, and the rudder stock is rotationally connected with the upper sealing unit;
and the lower sealing unit is arranged between the lower rudder bearing assembly and the rudder stock, and the rudder stock is rotatably connected with the lower sealing unit.
Optionally, the deck sealing member is provided with a through hole, the rudder stock is arranged in the through hole in a penetrating manner, and the upper sealing unit comprises a first sealing ring arranged between the through hole and the rudder stock.
Optionally, the first sealing ring is a rubber lip ring.
Optionally, the rudder stock is sleeved with an upper shaft sleeve, the upper shaft sleeve is arranged between the rudder stock and the through hole, the upper shaft sleeve is provided with an upper groove, and the first sealing ring is arranged in the upper groove.
Optionally, the upper shaft sleeve is provided with at least two upper grooves, and a first sealing ring is arranged in each upper groove.
Optionally, the deck sealing element is provided with an oil filling hole communicated with the through hole, and lubricant can be filled into the first sealing ring through the oil filling hole.
Optionally, the lower rudder bearing assembly comprises a lower rudder bearing connected to the hull and a bushing arranged on the lower rudder bearing, and the bushing is sleeved on the rudder stock;
and the lower sealing unit comprises a second sealing ring arranged between the bushing and the rudder stock.
Optionally, the rudder stock is sleeved with a lower shaft sleeve, the lower shaft sleeve is arranged between the rudder stock and the bushing, the lower shaft sleeve is provided with a lower groove, and the second sealing ring is arranged in the lower groove.
Optionally, the second sealing ring is an O-ring.
Optionally, the lower shaft sleeve is provided with at least two lower grooves, and the lower grooves are internally provided with second sealing rings.
The invention has the beneficial effects that:
the invention provides a sealing combination device for a rudder system of a semi-submersible ship, wherein a deck sealing element and a lower rudder bearing assembly are respectively connected with a deck and a ship body and are used for supporting a rudder stock; a lower sealing unit is arranged between the lower rudder bearing assembly and the rudder stock and is used for sealing between the ship body and the rudder stock; the deck sealing element is rotatably connected with the rudder stock and is used for sealing the rudder stock and the deck; an upper sealing unit is arranged between the deck sealing element and the rudder stock, so that the rudder stock and the deck are further sealed. When the rudder engine room is positioned above the draft of the structure, the deck sealing member can prevent water from soaking into the rudder engine room; when the semi-submersible ship normally runs, the ship body is under the action of water pressure, and the lower sealing unit can prevent water from entering the rudder cabin through the ship body; when the semi-submersible ship submerges and the water pressure is further increased, the lower sealing unit and the upper sealing unit are sealed in a double mode, water is further prevented from immersing into a rudder cabin, and the water tightness of the rudder system is improved.
Drawings
FIG. 1 is a schematic structural diagram of a sealing assembly for a semi-submersible rudder system according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
fig. 4 is an enlarged view at C of fig. 1.
In the figure:
100-a steering engine; 200-a tiller; 300-rudder nacelle platform; 400-rudder blade; 500-main deck; 600-a hull; 700-deck;
1-deck seal; 11-oil filler holes; 12-upper groove; 2-bolt; 3-upper shaft sleeve; 4-a first sealing ring; 5-lower rudder bearing assembly; 51-lower rudder bearing; 52-a liner; 6-lower shaft sleeve; 61-lower trench; 7-second sealing ring.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The semi-submersible ship is a special ship, can transport a plurality of large ships, can transport an aircraft carrier by an ultra-large semi-submersible ship, has very wide functions, and can embody the industrial level of a large shipbuilding country. Due to the working principle of the semi-submersible ship, the semi-submersible ship needs to be submerged, and the requirement on the water tightness of the semi-submersible ship is increased along with the increase of the submerged water pressure, particularly an equipment cabin.
As shown in fig. 1, a rudder cabin is arranged on the semi-submersible ship, a steering engine 100 for providing power is arranged in the rudder cabin, and the steering engine 100 drives a rudder blade 400 to rotate through a rudder stock 200, so as to realize a steering function. The semi-submersible ship is provided with a main deck 500 and a deck 700 on a hull 600, a rudder cabin platform 300 is provided on the deck 700, and a rudder cabin is provided under the main deck 500, and the rudder cabin sinks underwater as the ship body 600 is submerged. The rudder system, due to the driving relationship with the hull 600, has a higher risk of flooding the rudder nacelle when submerged.
To solve the above problems, the present embodiment provides a sealing assembly for a semi-submersible vessel rudder system, as shown in fig. 1 to 4, the rudder system including a rudder stock 200 rotatably connected to a hull 600, the sealing assembly including a deck seal 1, a lower rudder bearing assembly 5, an upper sealing unit and a lower sealing unit. Specifically, as shown in fig. 2, the lower rudder bearing assembly 5 is sleeved on the rudder stock 200 and connected with the hull 600; the lower sealing unit is arranged between the lower rudder carrier assembly 5 and the rudder stock 200, and the rudder stock 200 is rotatably connected with the lower sealing unit; as shown in fig. 4, the deck sealing member 1 is sleeved on the rudder stock 200 and connected with the deck 700 of the ship body 600, and the rudder stock 200 is rotatably connected with the deck sealing member 1; the upper sealing unit is arranged between the deck seal 1 and the rudder stock 200, the rudder stock 200 being provided with a rotary connection of the upper sealing unit. Optionally, the deck 700 and the deck seal 1 are connected by bolts 2 to facilitate disassembly and assembly.
The deck seal 1 and the lower rudder carrier assembly 5 are connected with the deck 700 and the hull 600, respectively, and serve to support the rudder stock 200; a lower sealing unit is provided between the lower rudder carrier assembly 5 and the rudder stock 200 for sealing between the hull 600 and the rudder stock 200; the deck sealing member 1 is rotatably connected with the rudder stock 200 and is used for sealing between the rudder stock 200 and the deck 700; an upper sealing unit is provided between the deck seal 1 and the tiller 200 to provide a further seal between the tiller 200 and the deck 700. When the rudder engine room is positioned above the draught of the structure, the deck sealing element 1 can prevent water from soaking into the rudder engine room; when the semi-submersible ship normally runs, the ship body 600 is under the action of water pressure, and the lower sealing unit can prevent water from entering the rudder engine room through the ship body 600; when the semi-submersible ship submerges and the water pressure is further increased, the lower sealing unit and the upper sealing unit are sealed in a double mode, water is further prevented from immersing into a rudder cabin, and the water tightness of the rudder system is improved.
Specifically, as shown in fig. 2 and 3, the lower rudder bearing assembly 5 includes a lower rudder bearing 51 connected to the hull 600 and a bushing 52 disposed on the lower rudder bearing 51, the bushing 52 is sleeved on the rudder stock 200; the bush 52 is a bearing, the rudder stock 200 is connected with the bearing in a rotating way, and the clearance between the rudder stock and the bush 52 is small; when the vessel is submerged, the lower rudder bearing assembly 5 and the hull are in first contact, and in order to prevent water from penetrating into the hull through the gap, the lower sealing unit comprises a second sealing ring 7 disposed between the bushing 52 and the rudder stock 200. Because the rudder stock is rotatably connected with the bush 52, abrasion can occur during long-time use, and optionally, the rudder stock 200 is sleeved with the lower shaft sleeve 6, the lower shaft sleeve 6 is arranged between the rudder stock 200 and the bush 52, the lower shaft sleeve 6 can protect the rudder stock, the abrasion of the rudder stock is avoided, and the service life is prolonged; because the O-shaped ring is applied to the dynamic seal, the dynamic friction resistance is small, the installation and the replacement are convenient, and the adaptability to the types, the temperature and the pressure of oil liquid is strong. In this embodiment, the second sealing ring 7 is an O-ring to satisfy the rotation connection between the rudder stock 200 and the O-ring, thereby realizing the transmission motion of the rudder stock 200.
In this embodiment, the gap between the lower shaft sleeve 6 and the bush 52 is X, which is generally about 1.5mm, and the second seal ring 7 is disposed in the gap between the lower shaft sleeve 6 and the bush 52; further optionally, a lower groove 61 is formed in the lower shaft sleeve 6, and the second sealing ring 7 is arranged in the lower groove 61, so that a sealing effect is achieved through extrusion deformation; for convenience of processing, optionally, the cross section of the lower groove 61 is rectangular; specifically, the O-ring is mounted in the rectangular lower groove 61. Optionally, at least two lower grooves 61 are formed in the lower shaft sleeve 6, and the second sealing rings 7 are arranged in the lower grooves 61, so that the waterproof reliability is improved. In this embodiment, during installation, the O-ring is first placed in the lower groove 61 of the lower shaft sleeve 6, and then the lower shaft sleeve 6 is placed in the bushing 52, and the O-ring is interposed between the shaft sleeve and the bushing 52, thereby forming a first sealing protection. The two O-shaped rings form an air cavity between the shaft sleeve and the bushing 52, so that water immersion is avoided, and the water tightness is improved. With reference to fig. 4, optionally, the deck sealing member 1 is provided with a through hole, the rudder stock 200 is inserted into the through hole, and when the rudder trunk of a general cargo ship is located above the structural draft, the problem of water immersion does not occur, so the deck sealing member 1 is arranged on the deck 700 of the rudder trunk; and the semi-submerged ship dives degree of depth twenty thirty meters or more, and water pressure is very big, and if only deck sealing member 1 sealed then have certain risk of soaking this moment, for improving water proofness, go up sealing unit and include first sealing washer 4, first sealing washer 4 sets up between through-hole and rudderstock 200.
The lip-shaped sealing ring is a sealing ring with a self-sealing function, a sealing effect is obtained by tightly attaching a lip to the surface of a sealing coupling piece and blocking a leakage channel, the working pressure of the lip-shaped sealing ring is the sum of pretightening force and fluid pressure, when the pressure of a sealing medium is increased, the lip is expanded to be more tightly attached to a sealing surface, and the sealing property is further enhanced; in addition, the lip edge has the oil scraping function, the sealing performance of the sealing ring is further enhanced, the lip sealing ring is mainly used in reciprocating sealing, and compared with extrusion sealing such as an O-shaped ring, the reciprocating sealing enables the comprehensive performance of the lip sealing ring to be better and the service life to be longer. Optionally, the first sealing ring 4 is a rubber lip-shaped ring, when the steering engine 100 drives the rudder stock 200 to rotate, the rudder stock 200 rotates in the rubber lip-shaped ring, so that a transmission effect is achieved, a water tightness requirement is met, and when a ship dives, a second sealing protection is achieved.
Optionally, the deck sealing member 1 is provided with an oil hole 11 communicated with the through hole, and lubricant can be injected into the first sealing ring 4 through the oil hole 11, so that the frictional resistance of the rudder stock rotating in the first sealing ring 4 is reduced, the rotation is smoother, and the damage to the first sealing ring 4 and the rudder stock is avoided.
Optionally, the upper shaft sleeve 3 is sleeved on the rudder stock 200, and the upper shaft sleeve 3 is arranged between the rudder stock 200 and the through hole, so that the rudder stock can be protected, the abrasion of the rudder stock can be avoided, and the service life can be prolonged; an upper groove 12 is formed in the upper shaft sleeve 3, and the first sealing ring 4 is arranged in the upper groove 12.
Optionally, the upper shaft sleeve 3 is provided with at least two upper grooves 12, and each upper groove 12 is provided with a first sealing ring 4, so that the watertight reliability is improved.
In this embodiment, when boats and ships dive, loop through down sealing unit and last sealing unit and seal, when O type circle became invalid, the rubber lip circle then played sealed effect, through setting up twice sealed form, can very effectually avoid the sea water to soak, avoids the consequence that the sealed inefficacy of individual layer brought. Through increasing dual sealing washer, only need during the implementation with axle sleeve processing ring type draw-in groove, add the sealing washer, simple structure, simple to operate, and with low costs, have fine practicality to the shipyard. Meanwhile, the double isolation is realized, the watertight effect is good, the reliability is high, the watertight requirement of the semi-submersible ship is effectively met, the safety of equipment, the ship body 600 and the personnel is protected, and higher benefit is obtained.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A sealing assembly for a semi-submersible rudder system including a rudder stock (200) in rotatable connection with a hull (600), characterised in that it comprises:
the deck sealing element (1) is sleeved on the rudder stock (200) and connected with a deck (700) of the ship body (600), and the rudder stock (200) is rotatably connected with the deck sealing element (1);
the lower rudder bearing assembly (5) is sleeved on the rudder stock (200) and is connected with the ship body (600);
the upper sealing unit is arranged between the deck sealing member (1) and the rudder stock (200), and the rudder stock (200) is rotatably connected with the upper sealing unit;
the lower sealing unit is arranged between the lower rudder bearing assembly (5) and the rudder stock (200), and the rudder stock (200) is rotatably connected with the lower sealing unit.
2. Sealing assembly for a rudder system of a semi-submersible vessel according to claim 1, characterised in that the deck seal (1) is provided with a through hole in which the rudder stock (200) is inserted, the upper sealing unit comprising a first sealing ring (4), the first sealing ring (4) being arranged between the through hole and the rudder stock (200).
3. Sealing assembly for a semi-submersible rudder system according to claim 2, characterised in that the first sealing ring (4) is a rubber lip ring.
4. The sealing combination device for the rudder system of the semi-submersible ship as claimed in claim 2, wherein the rudder stock (200) is sleeved with an upper shaft sleeve (3), the upper shaft sleeve (3) is arranged between the rudder stock (200) and the through hole, the upper shaft sleeve (3) is provided with an upper groove (12), and the first sealing ring (4) is arranged in the upper groove (12).
5. Sealing combination for a rudder system of a semi-submersible vessel according to claim 4, characterised in that the upper bushing (3) is provided with at least two upper grooves (12), each upper groove (12) being provided with a first sealing ring (4).
6. Sealing assembly for a rudder system of a semi-submersible vessel according to claim 2, characterised in that the deck seal (1) is provided with an oil injection hole (11) communicating with the through hole, through which oil injection hole (11) lubricant can be injected into the first sealing ring (4).
7. Sealing assembly for a semi-submersible rudder system according to claim 1, characterised in that,
the lower rudder bearing assembly (5) comprises a lower rudder bearing (51) connected to the ship body (600) and a bushing (52) arranged on the lower rudder bearing (51), and the bushing (52) is sleeved on the rudder stock (200);
the lower sealing unit comprises a second sealing ring (7) arranged between the bushing (52) and the rudder stock (200).
8. Sealing assembly for rudder system of a semi-submersible vessel according to claim 7, characterised in that the rudder stock (200) is sleeved with a lower bushing (6), the lower bushing (6) being arranged between the rudder stock (200) and the bushing (52), the lower bushing (6) being provided with a lower groove (61), the second sealing ring (7) being arranged in the lower groove (61).
9. Sealing assembly for a semi-submersible rudder system according to claim 8, characterised in that the second sealing ring (7) is an O-ring.
10. The sealing combination device for the rudder system of the semi-submersible ship according to claim 8, characterized in that the lower shaft sleeve (6) is provided with at least two lower grooves (61), and the lower grooves (61) are provided with second sealing rings (7).
CN202010335117.0A 2020-04-24 2020-04-24 Sealing combination device for rudder system of semi-submersible ship Pending CN111457096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010335117.0A CN111457096A (en) 2020-04-24 2020-04-24 Sealing combination device for rudder system of semi-submersible ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010335117.0A CN111457096A (en) 2020-04-24 2020-04-24 Sealing combination device for rudder system of semi-submersible ship

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Publication Number Publication Date
CN111457096A true CN111457096A (en) 2020-07-28

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003127989A (en) * 2001-10-23 2003-05-08 Japan Hamuwaaji Kk Steering gear installation method and rotary vane steering gear
CN202481294U (en) * 2012-01-19 2012-10-10 太阳鸟游艇股份有限公司 Novel rudder device for ship
CN103381882A (en) * 2012-05-04 2013-11-06 兴化市远洋机械有限公司 Rudder system assembly structure
CN106081042A (en) * 2016-08-19 2016-11-09 无锡市东舟船舶设备股份有限公司 Steering nozzle rudder with wing flap
CN106184688A (en) * 2016-08-19 2016-12-07 无锡市东舟船舶设备股份有限公司 The energy-saving flap-type rudder of fish tail
CN206243431U (en) * 2016-12-02 2017-06-13 长兴大河造船有限公司 A kind of shipping rudder system structure
CN208069993U (en) * 2018-03-29 2018-11-09 金海智造股份有限公司 A kind of band self-lubricating rudder stock cabin sealing device
CN208665519U (en) * 2018-05-22 2019-03-29 东台船用配件有限公司 Neck bearing with sealing structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003127989A (en) * 2001-10-23 2003-05-08 Japan Hamuwaaji Kk Steering gear installation method and rotary vane steering gear
CN202481294U (en) * 2012-01-19 2012-10-10 太阳鸟游艇股份有限公司 Novel rudder device for ship
CN103381882A (en) * 2012-05-04 2013-11-06 兴化市远洋机械有限公司 Rudder system assembly structure
CN106081042A (en) * 2016-08-19 2016-11-09 无锡市东舟船舶设备股份有限公司 Steering nozzle rudder with wing flap
CN106184688A (en) * 2016-08-19 2016-12-07 无锡市东舟船舶设备股份有限公司 The energy-saving flap-type rudder of fish tail
CN206243431U (en) * 2016-12-02 2017-06-13 长兴大河造船有限公司 A kind of shipping rudder system structure
CN208069993U (en) * 2018-03-29 2018-11-09 金海智造股份有限公司 A kind of band self-lubricating rudder stock cabin sealing device
CN208665519U (en) * 2018-05-22 2019-03-29 东台船用配件有限公司 Neck bearing with sealing structure

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