CN109591974B - Retracting and stopping mechanism of rear retracting fin stabilizer device - Google Patents
Retracting and stopping mechanism of rear retracting fin stabilizer device Download PDFInfo
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- CN109591974B CN109591974B CN201910001983.3A CN201910001983A CN109591974B CN 109591974 B CN109591974 B CN 109591974B CN 201910001983 A CN201910001983 A CN 201910001983A CN 109591974 B CN109591974 B CN 109591974B
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- oil cylinder
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- stop
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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
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
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Abstract
The invention relates to a retracting and stopping mechanism of a rear retracting fin stabilizer device, which is characterized in that the retracting and releasing mechanism is at least provided with a retracting and releasing oil cylinder, the retracting and releasing oil cylinder is hinged on an oil cylinder mounting seat through a rotating shaft, the front end of a piston rod of the retracting and releasing oil cylinder is connected with a cantilever mechanism of a return turntable through an oil cylinder earring and a rotating pin, and the retracting and releasing oil cylinder drives a rotary disc to rotate so that the rotary disc rotates to a fin releasing position or a fin retracting position; the stopping mechanism is at least provided with a stopping plate, the stopping plate is hinged in a stopping mechanism base through a stopping plate rotating pin, the upper end of the rear part of the stopping plate is hinged with a piston rod of a stopping oil cylinder through a stopping oil cylinder rotating pin, the stopping oil cylinder is connected to the stopping mechanism base through a stopping oil cylinder hinged support, and the stopping oil cylinder drives the stopping plate to turn over and is used for stopping the rotation of the rotary disc or the action of the retracting oil cylinder. The invention has compact and simple structure, and reduces the weight by 35 percent compared with the prior retraction stop mechanism; the retracting angle of the device can be changed by designing different retracting oil cylinder strokes.
Description
Technical Field
The invention relates to equipment for reducing rolling motion of a boat, in particular to a rear-folding fin stabilizer device.
Background
The fin stabilizer has become the important equipment that the naval vessel of higher navigational speed reduced and swayd and improved navigation performance, and current fin stabilizer form is various, conclude and mainly have two main types, non-extendible and extendible, and with extendible as leading, extendible then includes foldable, telescopic and semi-telescopic, wherein with foldable development faster, the foldable fin stabilizer was mostly the front-collecting structure before, but because the back-collecting structure has can reduce navigation resistance, the fin is efficient, the fin can be laid in better position of naval vessel hull streamline in order to improve the stabilization effect, maintenance cost is low, fin case size advantage such as little.
Rear-folding fin stabilizer devices have been developed in recent years. For the rear-folding fin stabilizer, after the fin is folded into the fin box, the fin may slide out under the action of gravity, at the moment, the left and right directions of the sliding-out fin exceed the width (outboard) of the ship and downwards exceed the baseline of the ship, so that the driving safety of the ship is affected, in order to prevent the accidents, in the rear-folding fin stabilizer, when the fin is in a zero position, a special stop mechanism is required to be adopted, and the fin is locked in the fin box and does not slide out; when the fin stabilizer device is in a working state, the water flow generates a resisting moment rotating towards the stern for the actuating mechanism, so that the fins have a tendency of being recovered in the fin box, a specially-arranged stop mechanism is required to be adopted, and the fins are ensured to be in a discharge state all the time.
The existing retracting and releasing stop mechanism of the rear retracting fin stabilizer device mainly comprises a locking mechanism 1, a revolving body 2, a guide sleeve 3, a sliding sleeve 4, a retracting and releasing connecting rod 5, a thrust rod 6, a retracting and releasing oil cylinder 7 and a thrust block 8), and a crank sliding block mechanism is formed as shown in figure 1.
When the fins need to be collected, oil is fed into a rod cavity of the collecting and releasing oil cylinder 7, the piston rod moves towards the bow of the ship, the sliding sleeve 4 is pushed to linearly move along the guide sleeve 3 through the thrust rods 6 on the two sides of the piston rod, and the components such as the revolving body 2 and the like are driven to rotate towards the stern through the traction of the collecting and releasing connecting rod 5, so that the fins are collected into the fin box. The locking mechanism 1 is used for locking the retraction mechanism, so that the fin is always in a retraction state by overcoming the sliding force. The fin discharging process is opposite, the rodless cavity of the retracting oil cylinder is filled with oil, so that the piston rod moves towards the stern direction to drive the revolving body and the crosshead to rotate towards the bow direction, and the fins are discharged out of the fin box. At present, a retraction mechanism and a locking mechanism of a rear retraction type fin stabilizer device adopt a nonstandard design, and have the defects of complex structure, high part machining precision, difficult assembly, long manufacturing period and poor economy, so that the rear retraction type fin stabilizer device is not suitable for being popularized to low-cost equipment for use. In order to research and develop the requirements of meeting the requirements of fast-paced manufacturing cycle and low-cost retraction and stop of the ship fin stabilizer device in the current domestic market, a retraction and stop mechanism with simple structure and low cost is urgently needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a retracting and stopping mechanism of a rear retracting fin stabilizer device, which fully utilizes the structural characteristics of parts in design, such as an earring of a retracting oil cylinder plays a role of driving a rotary disc in the retracting and releasing process, and simultaneously stops by utilizing the step of the earring when the device is retracted in place; the length of the cantilever of the rotary disc is lengthened, the pressure born by a stop plate of the stop mechanism is reduced, and the reliability of the product is improved, wherein the retraction cylinder and the stop mechanism cylinder adopt standard engineering cylinders, the manufacturing period is short, the self-caused cost is low, the universality is strong, and the adjustment of the retraction angle and the locking/unlocking angle is easily realized by designing the strokes of the retraction cylinder and the stop mechanism cylinder.
In order to achieve the purpose, the technical scheme of the invention is as follows: a retraction and stop mechanism of a rear retraction type fin stabilizer device is provided with a retraction mechanism and a stop mechanism for stopping the retraction mechanism, wherein the retraction mechanism is at least provided with a retraction oil cylinder, the retraction oil cylinder is hinged on an oil cylinder mounting seat through a rotating shaft and can horizontally swing in the oil cylinder mounting seat through the rotating shaft, the front end of a piston rod of the retraction oil cylinder is connected with a cantilever mechanism of a return turntable through an oil cylinder lug ring and a rotating pin, and the retraction oil cylinder drives a rotary disc to rotate so that the rotary disc rotates to a fin retraction position or a fin release position; the stopping mechanism is at least provided with a stopping plate, the stopping plate is hinged in a stopping mechanism base through a stopping plate rotating pin, the upper end of the rear part of the stopping plate is hinged with a piston rod of a stopping oil cylinder through a stopping oil cylinder rotating pin, the stopping oil cylinder is connected to the stopping mechanism base through a stopping oil cylinder hinged support, and the stopping oil cylinder drives the stopping plate to turn over and is used for stopping the rotation of the rotary disc or the action of the retracting oil cylinder.
Furthermore, the oil cylinder is hinged to the oil cylinder mounting seat through a rotating shaft and a bearing, an adjusting ring is arranged between the bearing and the end face of the rotating shaft, and a cover plate and a lubricating oil cup are arranged on the bearing.
Furthermore, an adjusting block I is arranged between the cantilever mechanism of the rotary disk and a stop plate in the stop mechanism, and the rotary disk is adjusted to be placed in place by the adjusting block I.
Furthermore, an adjusting block II is arranged between the stop plate and the rear end of the oil cylinder lug ring, and the angle of the rotary disc which is retracted in place is adjusted through the adjusting block II.
Furthermore, the stop mechanism mainly comprises a stop oil cylinder, a stop oil cylinder hinged support, a stop plate rotating pin, a stop oil cylinder rotating pin, a third adjusting block, a stop plate, a stop mechanism base and a lubricating oil cup.
Furthermore, an adjusting block III is arranged between the lower end face of the stop plate and the stop mechanism base, and the stop plate can reach an upper locking position or an unlocking position through the thickness of the adjusting block III and the stroke of the stop oil cylinder.
When the piston rod of the retraction cylinder contracts to drive the rotary disc to rotate to the fin releasing position, the stop plate in the stop mechanism props against the cantilever mechanism of the rotary disc, so that the resistance moment of the water flow on the execution mechanism to rotate towards the stern is prevented, and the fin drives the rotary disc to have the tendency of being recovered in the fin box.
When a piston rod of the retracting oil cylinder extends out to drive the rotary disc to rotate to a fin retracting position, a stop plate in the stop mechanism props against an oil cylinder lug ring of the retracting oil cylinder to prevent the fins from sliding out outwards under the action of gravity, so that the fins drive the rotary disc to tend to be retracted in the fin box.
The invention has the beneficial effects that:
compared with the existing retraction stop mechanism, the retraction stop mechanism of the invention comprises:
1. structurally:
a) the structure is compact and simple, and compared with the existing retraction stop mechanism, the weight is reduced by 35 percent;
b) the main parts adopt standard products, and compared with the existing retraction stop mechanism, the purchase cost is reduced by 50%.
2. Functionally:
a) the retracting angle of the device can be changed by designing different retracting oil cylinder strokes;
b) when the device is put in place, a fixed rotary disc cantilever mechanism is adopted, so that the resistance torque generated by water flow on the device and rotating towards the stern is overcome;
c) when the fin is folded in place, the ear ring of the fixed folding and unfolding oil cylinder is adopted, so that the fin is prevented from sliding outwards under the action of gravity.
Drawings
FIG. 1 is a schematic view of a retraction stop mechanism of a prior art rear-retraction fin stabilizer device;
FIG. 2 is a schematic view of a retracting mechanism of the rear retracting fin stabilizer device according to the present invention;
FIG. 3 is a schematic view of the stop mechanism of the rear fin stabilizer apparatus of the present invention against the retracting mechanism;
FIG. 4 is a schematic view of an earring of the retracting cylinder supported by the stop mechanism of the rear retracting fin stabilizer device according to the present invention;
FIG. 5 is a schematic view of the stop mechanism of the rear retractable fin stabilizer apparatus of the present invention;
fig. 6 is a cross-sectional view of a stop mechanism of the rear fin stabilizer device of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 2 to 6, the retracting and stopping mechanism of the rear retracting fin stabilizer device of the present invention is mounted on the upper plate 30 of the fin box and is composed of a retracting mechanism and a stopping mechanism 19. The stopper mechanism 19 is installed in front of the turn plate 17 of the retracting mechanism.
As shown in fig. 2, the retraction mechanism mainly comprises a retraction cylinder 9, a cylinder mounting base 10, a bearing 11, a lubricating oil cup 12, a cover plate 13, an adjusting ring 14, a cylinder lug ring 15, a first rotating pin 16, a rotary disc 17 and the like, and the retraction angle is determined by the stroke of the retraction cylinder 9. The oil cylinder 9 is hinged on the oil cylinder mounting seat 10 through a rotating shaft and a bearing 11, the oil cylinder can horizontally swing in the oil cylinder mounting seat 10 through the rotating shaft, an adjusting ring 14 is arranged between the bearing 11 and the end face of the rotating shaft, a cover plate 13 and a lubricating oil cup 12 are arranged on the bearing 11, an oil cylinder lug ring 15 is arranged at the front end of a piston rod of the oil cylinder 9, and the oil cylinder lug ring 15 is connected with a rotary disc 17 through a rotating pin 16.
As shown in figure 3, the piston rod of the retraction cylinder 9 contracts to drive the rotary disk 17 to rotate, when the rotary disk 17 rotates to the fin releasing position A, a stop plate in the stop mechanism 19 abuts against a cantilever mechanism of the rotary disk 17, so that the stop plate prevents the water flow from generating a resisting moment on the actuating mechanism to rotate towards the stern, the fin drives the rotary disk 17 to tend to be recovered in a fin box, an adjusting block 18 is arranged between the cantilever mechanism of the rotary disk 17 and the stop plate in the stop mechanism 19, and the rotary disk 17 is adjusted to be released in place through the adjusting block 18.
As shown in fig. 4, the piston rod of the retracting cylinder 9 extends out to drive the rotary disc 17 to rotate, and when the rotary disc 17 rotates to the fin retracting position B, the stop plate in the stop mechanism 19 abuts against the cylinder lug 15 of the retracting cylinder 9 to prevent the fin from sliding out under the action of gravity. The fin drives the rotary disc 17 to tend to be retracted in the fin box, a second adjusting block 20 is arranged between a stop plate in the stop mechanism 19 and the rear end of the oil cylinder lug 15, and the angle of the rotary disc 17 retracted in place is adjusted through the second adjusting block 20.
As shown in fig. 5 and 6, the stop mechanism 19 mainly comprises a stop cylinder 21, a stop cylinder hinge base 22, a stop plate rotating pin 23, a stop cylinder rotating pin 24, an adjusting block three 25, a stop plate 26, a stop mechanism base 27 and a lubricating oil cup 28. The stop plate 26 is hinged in the stop mechanism base 27 through the stop plate rotating pin 23, the upper end of the rear part of the stop plate 26 is hinged with the piston rod of the stop cylinder 21 through the stop cylinder rotating pin 24, and the stop cylinder 21 is connected on the stop mechanism base 27 through the stop cylinder hinged support 22.
When the piston rod of the stop cylinder 21 extends and contracts, the stop plate 26 is driven to move around the stop plate rotating pin 23 through the stop cylinder rotating pin 24, an adjusting block III 25 is arranged between the lower end face of the stop plate 26 and the stop mechanism base 27, and the stop plate 26 reaches the locking position C/the unlocking position D through the thickness of the adjusting block III 25 and the stroke of the stop cylinder 21. The primary motion location is lubricated using a grease cup 28.
Claims (4)
1. A retraction and stop mechanism of a rear retraction fin stabilizer device is provided with a retraction mechanism and a stop mechanism for stopping the retraction mechanism, and is characterized in that: the retraction mechanism is at least provided with a retraction oil cylinder, the retraction oil cylinder is hinged to an oil cylinder mounting seat through a rotating shaft and can horizontally swing in the oil cylinder mounting seat through the rotating shaft, the front end of a piston rod of the retraction oil cylinder is connected with a cantilever mechanism of the return disc through an oil cylinder lug ring and a rotating pin, and the retraction oil cylinder drives the rotary disc to rotate so that the rotary disc rotates to a fin releasing position or a fin retracting position; the stopping mechanism is at least provided with a stopping plate, the stopping plate is hinged in a stopping mechanism base through a stopping plate rotating pin, the upper end of the rear part of the stopping plate is hinged with a piston rod of a stopping oil cylinder through a stopping oil cylinder rotating pin, the stopping oil cylinder is connected to the stopping mechanism base through a stopping oil cylinder hinged support, and the stopping oil cylinder drives the stopping plate to turn over and is used for stopping the rotation of the rotary disc or the action of the retracting oil cylinder; an adjusting block I is arranged between the cantilever mechanism of the rotary disk and a stop plate in the stop mechanism, and the in-place angle of the rotary disk is adjusted through the adjusting block I; an adjusting block II is arranged between the stop plate and the rear end of the oil cylinder lug ring, and the angle of the rotary disc which is retracted in place is adjusted through the adjusting block II; the stop mechanism consists of a stop oil cylinder, a stop oil cylinder hinged support, a stop plate rotating pin, a stop oil cylinder rotating pin, a third adjusting block, a stop plate, a stop mechanism base and a lubricating oil cup; and a third adjusting block is arranged between the lower end face of the stop plate and the stop mechanism base, and the stop plate can reach an upper locking position or an unlocking position through the thickness of the third adjusting block and the stroke of the stop oil cylinder.
2. The retracting, extending and stopping mechanism of a rear-retracting fin stabilizer device according to claim 1, characterized in that: the oil cylinder is hinged to the oil cylinder mounting seat through a rotating shaft and a bearing, an adjusting ring is arranged between the bearing and the end face of the rotating shaft, and a cover plate and a lubricating oil cup are arranged on the bearing.
3. The retracting, extending and stopping mechanism of a rear-retracting fin stabilizer device according to claim 1, characterized in that: when the piston rod of the retraction cylinder contracts to drive the rotary disc to rotate to the fin releasing position, the stop plate in the stop mechanism props against the cantilever mechanism of the rotary disc, so that the resistance moment of the water flow on the execution mechanism to rotate towards the stern is prevented, and the fin drives the rotary disc to have the tendency of being recovered in the fin box.
4. The retracting, extending and stopping mechanism of a rear-retracting fin stabilizer device according to claim 1, characterized in that: when a piston rod of the retracting oil cylinder extends out to drive the rotary disc to rotate to a fin retracting position, a stop plate in the stop mechanism props against an oil cylinder lug ring of the retracting oil cylinder to prevent the fins from sliding out outwards under the action of gravity, so that the fins drive the rotary disc to tend to be retracted in the fin box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001983.3A CN109591974B (en) | 2019-01-02 | 2019-01-02 | Retracting and stopping mechanism of rear retracting fin stabilizer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001983.3A CN109591974B (en) | 2019-01-02 | 2019-01-02 | Retracting and stopping mechanism of rear retracting fin stabilizer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109591974A CN109591974A (en) | 2019-04-09 |
| CN109591974B true CN109591974B (en) | 2020-10-20 |
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ID=65965690
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001983.3A Active CN109591974B (en) | 2019-01-02 | 2019-01-02 | Retracting and stopping mechanism of rear retracting fin stabilizer device |
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| CN (1) | CN109591974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641642A (en) * | 2019-10-31 | 2020-01-03 | 无锡市东舟船舶设备股份有限公司 | Retractable fin stabilizer structure for ship |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1512956A (en) * | 1974-08-20 | 1978-06-01 | Sperry Rand Ltd | Ship stabilising systems |
| JPS632791A (en) * | 1986-06-23 | 1988-01-07 | Takashi Ueno | Hull with side keel |
| CN201033629Y (en) * | 2007-05-18 | 2008-03-12 | 中国船舶重工集团公司第七○四研究所 | Back-drawing type anti-rolling fin device releasing and withdrawing device |
| CN101386339B (en) * | 2007-09-14 | 2011-10-05 | 中国船舶重工集团公司第七○四研究所 | Front foldable stabilizing fin lock set mechanism |
| CN106741704B (en) * | 2015-11-25 | 2021-02-09 | 中国舰船研究设计中心 | Variable-chord anti-rolling fin for warships |
| CN109018239A (en) * | 2018-07-02 | 2018-12-18 | 武汉科技大学 | Deployable and collapsible hydraulic oscillating cylinder directly drives fin stabilizer |
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2019
- 2019-01-02 CN CN201910001983.3A patent/CN109591974B/en active Active
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