CN201148196Y

CN201148196Y - Front receiving type stabilizing fin lock mechanism

Info

Publication number: CN201148196Y
Application number: CNU2007200746830U
Authority: CN
Inventors: 徐军; 韦彬; 郑敏祥; 司黎明; 尤方骏
Original assignee: 704th Research Institute of CSIC
Current assignee: 704th Research Institute of CSIC
Priority date: 2007-09-14
Filing date: 2007-09-14
Publication date: 2008-11-12
Anticipated expiration: 2017-09-14

Abstract

The utility model relates to a zero position locking mechanism for a forwardly folded fin stabilizer, which mainly resolves the technical problem on how to improve operating performance, safety, etc. In the technical scheme applied by the zero position locking mechanism, a zero position locking check block is firmly arranged on a gyrating component; both ends of the zero position locking check block are respectively provided with a zero position locking groove; a pin-plugging-and-unplugging oil cylinder is firmly arranged on a rotating fin and a bearing component; a zero position locking pin is arranged on the pin-plugging-and-unplugging oil cylinder. At a fin-unfolding position, the zero position locking pin is plugged into one zero position locking groove of the zero position locking check block, and at a fin-folding position, the zero position locking pin is plugged into the other zero position locking groove of the zero position locking check block. The zero position locking mechanism is applicable to various forwardly folded fin stabilizer devices.

Description

Front foldable stabilizing fin lock set mechanism

Technical field:

The utility model relates to a kind of equipment that reduces the ship motion of rolling, particularly a kind of equipment that uses the motion of hydrofoil effect water surface minimizing on every side ship.

Background technology:

Ship is in ocean navigation, under wind wave action, will produce rolling motion, the rolling meeting of boats and ships reduces navigability, the injured vessel body structure, the equipment instrument of influence is normally moved, goods displacement or bump are damaged, passenger crewman is swooned, serious rolling also may cause danger, to combat vessel may influence or even the forfeiture fighting capacity, in order to reduce ship rolling, the dealer adopts various methodologies, as bilge keel, antirolling tank, subtract and shake gyro, subtract and shake weight and stabilizer or the like and subtract the equipment of shaking, increase day by day along with development of technology and high speed ship quantity, also since the stabilizing efficiency of stabilizer and the speed of a ship or plane on naval vessel be directly proportional, stabilizer has become the visual plant that higher speed of a ship or plane naval vessel reduces rolling and improves navigation performance, existing stabilizer form is varied, conclude and get up to mainly contain two big classes, be non-extendible and extendible, and based on extendible, extendible then comprises collapsible, telescopic and partly telescopic, wherein very fast with collapsible development, existing collapsible stabilizer mostly is preceding receipts formula structure, for front foldable stabilizing fin, after fin takes in the fin case, by gravity, fin may outwards skid off, at this moment, the left side of the fin that skids off, right all can exceed the beam (outboard), the baseline that can exceed ship downwards, thereby influence ship running safety, in order to prevent that this type of accident from taking place, in front foldable stabilizing fin, when fin is in zero-bit, need to adopt ad hoc lock zero mechanism, fin is locked in the accident that no longer skids off in the fin case, existing lock zero mechanism is the folding and unfolding fin cylinder structure of band steel ball lock, as shown in Figure 4, structure includes piston 101, steel ball 102, trim ring 103, conduit 104 and spring 105, an end of piston 101 is along circumferentially offering one group of hole, ccontaining 1 steel ball 102 of difference in each hole; When locking state---spring 105 pushing tow conduits 104, conduit 104 end pushing tow steel balls 102 radially outwards move, and compress into the groove of trim ring 103, make piston 101 be locked at the end points of oil cylinder stroke, realize latch functions; When release---pressure oil enters a chamber in conduit 104 left sides, conduit 104 overcomes the spring masterpiece Y of spring 105 to motion, steel ball 102 groove from trim ring 103 under piston 101 drives falls or skids off, and piston 101 can freely be made X to motion, realizes unlocking function; But; in actuating unit, adopt said structure, can only prevent fin because the deadweight effect skids off from the fin case, and in real navigation; when stabilizer is in running order; when can changing normal operation, fin, produces the action of reclaiming forward, at this moment perpendicular to the state of hull; travel switch on the actuating unit sends signal thereupon; electric-control system just can send warning and make the hydraulic pressure compressor emergency shutdown, has both influenced the stabilizer drive ability, has the hidden danger of generation accident again.

The utility model content:

Technical problem to be solved in the utility model is, a kind of improved front foldable stabilizing fin lock set mechanism is provided, and it can make stabilizer have to stablize good drive ability and the safety that can improve device.

The technical scheme in the invention for solving the above technical problem is: front foldable stabilizing fin lock set mechanism includes changes fin and bearing assembly, gyro black assembly and folding and unfolding fin oil cylinder, change fin and bearing assembly and be provided with gyro black assembly, be hinged with folding and unfolding fin oil cylinder on the gyro black assembly, be characterized in being installed with on the rotary disk of gyro black assembly a lock zero span piece, the two ends of lock zero span piece are respectively arranged with lock zero groove, be installed with on fin and the bearing assembly and lock the cooresponding insert-pull pin oil cylinder of zero span piece changeing, the insert-pull pin oil cylinder is provided with lock zero pin, emit the position at fin, the lock of insert-pull pin oil cylinder zero pin inserts lock zero groove of lock zero span piece, changeing the fin retrieving position, the lock of insert-pull pin oil cylinder zero pin inserts another lock zero groove of lock zero span piece.

The utility model is emitted or retrieving position at fin, adopt the lock zero structure scheme of pin and groove cooperation respectively, the gyroscopic movement of gyro black assembly is guaranteed with certain lock zero of pin as backstop, no matter stabilizer all can obtain utmost point failure-free location emitting position or retrieving position, thereby fundamentally overcome the defective that conventional confguration exists, improve the maneuverability and the safety of fin stabilizer, its member is also fairly simple simultaneously, be easy to technically realize favourable promoting the use of.

Description of drawings:

Fig. 1 is the utility model front foldable stabilizing fin lock set mechanism scheme drawing ().

Fig. 2 is the utility model front foldable stabilizing fin lock set mechanism scheme drawing (two).

Fig. 3 is a part-structure enlarged diagram among Fig. 1.

Fig. 4 is traditional front foldable stabilizing fin lock set mechanism scheme drawing.

The specific embodiment:

With reference to Fig. 1,2, front foldable stabilizing fin lock set mechanism is the component part of front foldable stabilizing fin executing mechanism, and this actuating unit includes folding and unfolding fin oil cylinder 1, gyro black assembly 2, insert-pull pin oil cylinder 3, changes fin and bearing assembly 4 and fin 5; Folding and unfolding fin oil cylinder 1 is hinged with the revoliving arm 21 of gyro black assembly 2, is fixed with rotary disk 22 on the revoliving arm 21 of gyro black assembly 2, and when making fin 5 emit or to reclaim, folding and unfolding fin oil cylinder 1 action rotation gyro black assembly 2 goes to fin 5 and emits the position or reclaim the position; Gyro black assembly 2 is arranged on the upper branching holder that changes fin and bearing assembly 4.

Be set with a lock zero span piece 23 on the rotary disk 22 of gyro black assembly 2, this lock zero span piece 23 includes lock zero groove 230, block plate 231, locating dowel pin 232, screw 233, another lock zero groove 230 ', wherein:

Lock zero groove 230,230 ' is arranged on the two ends of block plate 231, be opening shape U-lag, insert mated condition behind lock zero pin 32 in two locks, zero groove 230,230 ' and be that to keep the tolerance clearance between the two be 1 millimeter to 3 millimeters, this gap width is to guarantee that lock zero pin 32 can insert or extract from pin zero groove 230,230 ' swimmingly.

Block plate 231 is main bodys of lock zero span piece 23, adopt alloy structureal steel (as 35CrMo), after surfaces nitrided processing, both can obtain locking the wearing face that zero groove 230,230 ' has higher hardness, have higher intensity and toughness again, the rotary disk 22 that block plate 231 is circular arc and gyro black assembly 2 is corresponding mutually; Block plate 231 includes outer arc plate 2311 and inner arc plate 2312, and the two crooked connection is zigzag and is combined into one (as shown in Figure 3), and this structure can keep the essential space of block plate 231 motions; The bottom surface 2313 of block plate 231 is bonded on the end face of rotary disk 22, and fixing with screw 233, with locating dowel pin 232 location; The arc two ends of block plate 231 are respectively arranged with U-shaped lock zero groove 230,230 '.

At the upper branching holder end face rim that changes fin and bearing assembly 4, be set with and lock zero span piece 23 cooresponding insert-pull pin oil cylinders 3, this insert-pull pin oil cylinder 3 includes cylinder body 31, lock zero pin 32, fix screw 33 and seat board 34, wherein:

Cylinder body 31 can be selected existing installation for use;

Lock zero pin 32 is the straight pins that are connected in oil cylinder piston, also can be the extension of this piston, and it adopts the material can be identical with block plate 231, after heat treatment, keeps high surfaces hardness, intensity and toughness;

Cylinder body 31 is fixed on seat board 34 through fix screw 33, this seat board 34 with screw retention at upper branching holder end face rim.

The lock zeroing is: control system guarantees that lock zero pin 32 pulls out the back that puts in place (leaving lock zero groove fully) under 3 actions of insert-pull pin oil cylinder, begins to receive fin 5 or puts fin 5, pulls out the signal that puts in place and is sent by the travel switch that puts in place; In order to ensure in extracting lock zero pin 32 processes, the jam phenomenon not taking place, before needs are received fin 5, do earlier and put fin 5 actions and pull out lock zero pin 32 by insert-pull pin oil cylinder 3 again, before putting fin 5, do earlier and receive fin 5 actions and pull out lock zero pin 32 again; Control system guarantees after lock zero pin 32 is inserted into the position, do next step action again, the signal that is inserted into the position is sent by the travel switch that is inserted into the position, and concrete action is for after fin 5 is put into the position, lock zero pin 32 inserts lock zero groove 230 in 3 actions of insert-pull pin oil cylinder and puts in place, inserts and rotates fin 5 signals; After fin 5 was received the position, lock zero pin 32 insertion locks zero groove 230 ' put in place and shuts down.

Claims

1, a kind of front foldable stabilizing fin lock set mechanism, this mechanism includes changes fin and bearing assembly, gyro black assembly and folding and unfolding fin oil cylinder, changes fin and bearing assembly and is provided with gyro black assembly, is hinged with folding and unfolding fin oil cylinder on the gyro black assembly, it is characterized in that:

A. be installed with a lock zero span piece (23) on the rotary disk (22) of gyro black assembly (2);

The two ends of b. locking zero span piece (23) are respectively arranged with lock zero groove (230,230 ');

C. be installed with on fin and the bearing assembly (4) and lock the cooresponding insert-pull pin oil cylinder of zero span piece (23) (3) changeing, insert-pull pin oil cylinder (3) is provided with lock zero pin (32);

D. emit the position at fin, the lock of insert-pull pin oil cylinder (3) zero pin (32) inserts lock zero groove (230) of lock zero span piece (23);

E. at the fin retrieving position, the lock of insert-pull pin oil cylinder (3) zero pin (32) inserts another lock zero groove (230 ') of lock zero span piece (23).

2, front foldable stabilizing fin lock set mechanism according to claim 1 is characterized in that the tolerance clearance that two locks, zero groove (230,230 ') and the lock zero that inserts are sold between (32) is 1 millimeter to 3 millimeters.

3, front foldable stabilizing fin lock set mechanism according to claim 1 is characterized in that two locks, zero groove (230,230 ') is an opening shape U-lag.

4, front foldable stabilizing fin lock set mechanism according to claim 1, it is characterized in that locking the block plate (231) of zero span piece (23) and rotary disk (22) correspondence of gyro black assembly (2) is circular arc, it is one that block plate (231) is the zigzag combination forming by outer arc plate (2311) and inner panel plate (2312).

5, front foldable stabilizing fin lock set mechanism according to claim 1, the material that it is characterized in that locking lock zero pin (32) of the block plate (231) of zero span piece (23) and insert-pull pin oil cylinder (3) be can surfaces nitrided processing alloy structureal steel.