CN210653582U - Double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by swing oil cylinder - Google Patents
Double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by swing oil cylinder Download PDFInfo
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- CN210653582U CN210653582U CN201921149923.8U CN201921149923U CN210653582U CN 210653582 U CN210653582 U CN 210653582U CN 201921149923 U CN201921149923 U CN 201921149923U CN 210653582 U CN210653582 U CN 210653582U
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Abstract
The utility model relates to a swing oil cylinder driven double-spline type full-speed fin stabilizer actuating mechanism, which comprises a fin rotating valve group, a swing oil cylinder, a fin shaft, an upper supporting seat, a lower supporting seat and fins, wherein the fin rotating valve group is arranged on a mounting plate of the upper supporting seat, and an oil pipe at the output end of the fin rotating valve group is connected with an oil inlet and an oil outlet of the swing oil cylinder; the swing oil cylinder is connected with the fin shaft through an involute spline; the fin is fixedly connected to the rear end of the fin shaft, the swing oil cylinder rotor rotates to drive the fin shaft and the fin to rotate through the involute spline, and large-angle positive and negative values of the fin are converted; the front end of the fin shaft is provided with a front involute spline and a rear involute spline, the front involute spline is connected with a swing oil cylinder, and the rear involute spline is connected with a side plate. The utility model discloses a big-angle positive and negative value of fin is realized to the swing hydro-cylinder and is changed, adopts two involute spline fin axle hookups swing hydro-cylinder and curb plate, realizes the zero-bit locking of spacing and fin of transmission moment of torsion transmission, machinery, connects upper and lower bearing frame and fin seat with flat key, solves and receives the problem of cutting.
Description
Technical Field
The utility model relates to a non-extendible stabilizer fin for reducing the ship rolling motion, especially one kind can realize full navigational speed.
Background
The prior fin stabilizer device can provide various stabilizer configuration schemes for various ships, the technology is relatively mature, and the ships have good stabilizer requirements at medium/high navigational speeds, but the requirements of the ships on the stabilization at low navigational speeds and even at zero navigational speeds are increasingly urgent in recent years, so that a comprehensive stabilizer system combining a stabilizer tank and a fin stabilizer is developed domestically, namely, the stabilizer tank is used for stabilization at zero navigational speed, and the stabilizer tank and the fin stabilizer are used for combined stabilization at the medium/high navigational speeds. However, two sets of independent devices need to be designed, installed and maintained, the space occupied in the cabin is large, the weight is heavy, the displacement of the whole ship is increased, the navigation resistance is increased, the navigation speed and the energy consumption are influenced, and the economy is poor. In order to meet market demands and save cabin space, particularly for long, narrow and thin ship types, a non-retractable fin stabilizer capable of realizing full navigational speed needs to be used.
The traditional non-retractable fin stabilizer needs two linear oil cylinders to realize the positive and negative value transformation of the fin angle, the rotation angle is small, the number of connecting pipelines is large, the requirement on arrangement space is large, relative deflection exists during operation, and certain potential safety hazards exist during personnel work.
After the swing oil cylinder is adopted, the change of positive and negative values of the large angle of the fin can be realized only by one oil cylinder, the size of the oil cylinder is small, only two pipelines are needed to be connected with an inlet and an outlet of the oil cylinder, the external action is avoided, the overall occupied space is small, the safety is high, and the appearance quality is good.
Disclosure of Invention
The defects of the traditional non-retractable fin stabilizer actuating mechanism are overcome, and more ship types and working condition requirements are met. The utility model provides a swing oil cylinder driven double spline formula is full at a slow speed stabilizer actuating mechanism, make the swing oil cylinder rotate through changeing the fin valves, the hydro-cylinder drives the positive negative angle rotation of fin with fin axle involute spline coupling. The method is characterized in that: the positive and negative corners are large, the structure is simple and compact, the space occupied by the mechanism is reduced, the executing mechanism and the fin base are connected by bolts and flat keys, the installation workload of a shipyard is reduced, and the cost is saved. The anti-rolling function under the full navigational speed working condition can be realized.
The utility model provides a technical scheme that its technical problem adopted is:
a double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by a swing oil cylinder comprises a fin rotating valve group, the swing oil cylinder, a fin shaft, an upper supporting seat, a lower supporting seat and fins, wherein the fin rotating valve group is arranged on an installation plate of the upper supporting seat, and an oil pipe at the output end of the fin rotating valve group is connected with an oil inlet and an oil outlet of the swing oil cylinder; the swing oil cylinder is connected with the fin shaft through an involute spline; the fin fixed connection is on fin axle rear end, by swing hydro-cylinder rotor rotates and drives fin axle and fin rotation through the involute spline, realizes the positive and negative value of wide-angle of fin and changes.
Furthermore, the front end of the fin shaft is provided with a front involute spline and a rear involute spline, the front involute spline is connected with the swing oil cylinder, the rear involute spline is connected with the side plate, the side plate and the fin shaft rotate together, and mechanical limit of the actuating mechanism can be realized through the side plate.
Furthermore, the fin shaft is installed in the lower supporting seat through a tapered roller bearing, the lower supporting seat is fixedly connected with the fin seat, the swing moment generated by the fin is transmitted to the fin seat, and the fin seat and the ship body are welded into a whole.
Furthermore, a fin angle feedback device is installed at the front end of the swing oil cylinder, a pointer of the fin angle feedback device is installed at the front end of a rotor of the swing oil cylinder and rotates together with the rotor of the swing oil cylinder, a pointer dial scale mark of the fin angle feedback device is fixed at the front end of a cylinder body of the swing oil cylinder, and the rotating angle of the fin is fed back to the pointer dial scale mark through the pointer.
Further, the fin is connected with the axial cone end of the fin through a flat key.
Furthermore, a locking mechanism is arranged on the upper supporting seat, and zero position locking of the fin can be realized.
Furthermore, the upper supporting seat and the lower supporting seat are both circular and are connected with the fin seat through bolts and flat keys, so that the problem of shearing can be solved.
Furthermore, a fin shaft sealing device is arranged at the rear end of the supporting seat and consists of three Y-shaped sealing rings, a shaft sleeve is arranged at the outer end of the fin shaft, and O-shaped sealing rings are arranged inside and outside the shaft sleeve, so that bearing lubricating grease can be prevented from leaking and seawater can be prevented from entering the bearing.
The utility model has the advantages that: the large-angle positive and negative value transformation of the fin is realized by adopting the swing oil cylinder, the double-involute spline fin shaft is connected with the swing oil cylinder and the side plate, the transmission torque transmission, the mechanical limit and the zero position locking of the fin are realized, and the upper and lower supporting seats and the fin seat are connected by using a flat key, so that the problem of shearing is solved.
Drawings
FIG. 1 is a schematic view of a non-retractable full-speed fin stabilizer actuator;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of a fin axis structure of a double involute spline;
FIG. 4 is a schematic structural diagram of a side plate with involute splines.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the double-spline full-speed fin stabilizer actuator driven by the swing cylinder comprises a fin valve group 1, a swing cylinder 2, a fin shaft 3, a side plate 4, a locking mechanism 5, an upper support seat 6, a lower support seat 7, a bearing 8, a fin seat 9, a fin shaft sealing device 10, a flat key a11, a fin 12, a flat key B13 and a feedback device 14. The fin-rotating valve group 1 is arranged on the mounting plate of the upper supporting seat 6, and an output end oil pipe is connected with an oil inlet and an oil outlet of the swing oil cylinder 2. The swing oil cylinder 2 is connected with the fin shaft 3 through an involute spline. The involute spline and the rotor of the swing oil cylinder 2 are integrated, and the rotor of the swing oil cylinder 2 rotates to drive the fin shaft 3 to rotate through the involute spline, so that the large-angle positive and negative value transformation of the fin 12 is realized. The front end of the fin shaft 3 is provided with a first involute spline 3-1 and a second involute spline 3-2, the first involute spline 3-1 is connected with a swing oil cylinder 2, the second involute spline 3-2 is connected with a side plate 4, and the side plate 4 and the fin shaft 3 rotate together. A fin shaft 3 with double involute splines is adopted to connect a swing oil cylinder 3 and a side plate 4, so that transmission torque transmission and mechanical limiting are realized. The fin shaft 3 is provided with two tapered roller bearings 8 which are arranged in the lower bearing seat 7 and transmit the shaking moment generated by the fin 12 to the fin seat 9, and the fin seat 9 and the ship body are welded into a whole. The fin 12 is attached to the tapered end of the fin shaft 3 by a flat key a 11. The upper and lower bearing seats 6, 7 are connected with the fin seat 9 by a flat key B13, so as to solve the problem of shearing.
The fin angle feedback device 14 is arranged at the upper end of the swing oil cylinder 2, and the pointer rotates along with the rotor of the swing oil cylinder 2. The rotating angle of the fin 12 is fed back on the scale marks of the pointer dial through the pointer.
The upper bearing seat 6 and the lower bearing seat 7 are both circular and are connected with the fin seat 9 through bolts and flat keys B13, so that the problem of shearing can be solved. Compared with the original reamed hole bolt, the method has the advantages that the threaded hole does not need to be reamed on site during shipment, and the workload of shipment is reduced. In order to prevent bearing lubricating grease from leaking and seawater from entering the bearing, the tail end of the lower supporting seat 7 is provided with a fin shaft sealing device 10, the fin shaft sealing device 10 consists of three Y-shaped sealing rings, the outer end of the fin shaft 3 is provided with a shaft sleeve, and O-shaped sealing rings are arranged inside and outside the shaft sleeve to prevent seawater from entering and corroding equipment.
And a locking mechanism is arranged on the upper supporting seat 6. An oil cylinder and a return spring are arranged in the locking mechanism 5, hydraulic oil enters the oil cylinder to compress the spring, the plug pin rises to unlock, when the valve stops supplying oil, the spring returns, and the plug pin falls into the side plate to lock the fin at the zero position. The upper supporting seat and the lower supporting seat are circular, are connected with the fin seat through the bolt and the flat key, and compared with an original hinged hole bolt, a shipyard does not need to hinge a threaded hole on site, and after the equipment is installed, the flat key is knocked into the key groove, so that the equipment shipment workload is greatly reduced.
The non-retractable full-speed fin stabilizer actuating mechanism of the embodiment is greatly improved in practicability, safety, reliability and attractiveness compared with conventional fin stabilizers, is particularly suitable for ships with full-speed working condition use requirements and small installation space, is simple in structure and convenient to ship and can be popularized on various ships on a large scale.
Claims (8)
1. The utility model provides a swing cylinder driven double-spline formula is full navigational speed stabilizer actuating mechanism, includes commentaries on classics fin valves, swing cylinder, fin axle, curb plate, upper bracket, lower bracket, fin, its characterized in that: the fin rotating valve group is arranged on the mounting plate of the upper supporting seat, and an oil pipe at the output end of the fin rotating valve group is connected with an oil inlet and an oil outlet of the swing oil cylinder; the swing oil cylinder is connected with the fin shaft through an involute spline; the fin is fixed on fin axle rear end, by swing hydro-cylinder rotor rotates and passes through involute spline and drive fin axle and fin rotation, realizes the wide-angle positive and negative value of fin and changes.
2. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the fin shaft is provided with a front involute spline and a rear involute spline at the front end, the front involute spline is connected with the swing oil cylinder, and the rear involute spline is connected with the side plate, so that the side plate and the fin shaft rotate together, and the mechanical limit of the actuating mechanism can be realized through the side plate.
3. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the fin shaft is arranged in the lower supporting seat through a tapered roller bearing, the lower supporting seat is fixedly connected with the fin seat, the swinging moment generated by the fin is transmitted to the fin seat, and the fin seat and the ship body are welded into a whole.
4. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the fin angle feedback device is arranged at the front end of the swing oil cylinder, a pointer of the fin angle feedback device is arranged at the front end of a rotor of the swing oil cylinder and rotates together with the rotor of the swing oil cylinder, a pointer disc scale mark of the fin angle feedback device is fixed at the front end of a cylinder body of the swing oil cylinder, and the rotating angle of the fin is fed back to the pointer disc scale mark through the pointer.
5. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the fin is connected with the axial cone end of the fin through a flat key.
6. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: and a locking mechanism is arranged on the upper supporting seat, so that the zero position locking of the fin can be realized.
7. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the upper supporting seat and the lower supporting seat are both circular and are connected with the fin seat through bolts and flat keys, so that the problem of shearing can be solved.
8. The oscillating cylinder driven double spline full navigational speed fin stabilizer actuator according to claim 1, wherein: the rear end of the supporting seat is provided with a fin shaft sealing device which consists of three Y-shaped sealing rings, the outer end of the fin shaft is provided with a shaft sleeve, and O-shaped sealing rings are arranged inside and outside the shaft sleeve, so that bearing lubricating grease can be prevented from leaking and seawater can be prevented from entering the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149923.8U CN210653582U (en) | 2019-07-22 | 2019-07-22 | Double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by swing oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149923.8U CN210653582U (en) | 2019-07-22 | 2019-07-22 | Double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by swing oil cylinder |
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| Publication Number | Publication Date |
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| CN210653582U true CN210653582U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921149923.8U Active CN210653582U (en) | 2019-07-22 | 2019-07-22 | Double-spline type full-navigational-speed fin stabilizer actuating mechanism driven by swing oil cylinder |
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| CN (1) | CN210653582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291426A (en) * | 2021-06-28 | 2021-08-24 | 上海衡拓船舶设备有限公司 | Push-pull type full-navigational-speed fin stabilizer based on gear transmission |
-
2019
- 2019-07-22 CN CN201921149923.8U patent/CN210653582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291426A (en) * | 2021-06-28 | 2021-08-24 | 上海衡拓船舶设备有限公司 | Push-pull type full-navigational-speed fin stabilizer based on gear transmission |
| CN113291426B (en) * | 2021-06-28 | 2024-05-28 | 上海衡拓船舶设备有限公司 | Push-pull type full navigational speed stabilizer based on gear transmission |
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