CN203486114U - Precession speed adjustment device of anti-rolling gyro - Google Patents
Precession speed adjustment device of anti-rolling gyro Download PDFInfo
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- CN203486114U CN203486114U CN201320559618.2U CN201320559618U CN203486114U CN 203486114 U CN203486114 U CN 203486114U CN 201320559618 U CN201320559618 U CN 201320559618U CN 203486114 U CN203486114 U CN 203486114U
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Abstract
The utility model discloses a precession speed adjustment device of an anti-rolling gyro. The precession speed adjustment device of the anti-rolling gyro is used to control precession velocity of a rotor frame of the anti-rolling gyro, wherein the rotor frame processes around a precession shaft, and the precession speed adjustment device comprises at least a hydraulic cylinder and an electric hydraulic flow control valve. Because a ship constantly swings along with waves, a piston component in the hydraulic oil cylinder constantly stretches. Because of rectifying action of a rectifying circuit which consists of four check valves, hydraulic oil always goes in from an inlet of the electric hydraulic flow control valve and goes out from an outlet of the electric hydraulic flow control valve, and the precession speed adjustment device of the anti-rolling gyro achieves precession speed adjustment by controlling flow rate of the electric hydraulic flow control valve. The precession speed adjustment device of the anti-rolling gyro has the beneficial effects that the precession speed adjustment device of the anti-rolling gyro achieves control of the flow rate, further controls precession speed and is large in effect anti-rolling range. The precession speed adjustment device of the anti-rolling gyro controls the flow rate in real time through a control instruction device, and enables the anti-rolling gyro to be automatically adjusted to precession speed with the best anti-rolling effect in different sea conditions of the anti-rolling gyro.
Description
Technical field
The utility model belongs to ship stabilizer technical field, is specifically related to a kind of precession speed regulation device of shaking gyro that subtracts.
Background technology
Subtract and shake gyro and belong to ship stabilizer, can effectively alleviate ship rolling.Ships and light boats can wave under the effect of wave, wherein maximum with rolling harm.Ship stabilizer has stabilizer, antirolling tank, subtracts and shake gyro etc., cuts both ways.Wherein, subtracting the major advantage of shaking gyro is the restriction that stabilizing efficiency is not subject to the ships and light boats speed of a ship or plane, and small volume, is convenient to install, and for example, can be attached to (and other antirolling apparatus is difficult to install additional) on the ships and light boats of being on active service.Subtract and shake gyro and mainly by parts such as rotor and actuating device thereof, rotor frame, rotor frame precession control setup, installing base frame, formed.Wherein, under the effect of ships and light boats at wave, produce while waving, rotor is arranged in rotor frame, around an axis of rotation rotation; Rotor with rotor frame around an axis procession precession.Subtract and shake the moment of reaction producing when applied moment that gyro produces ships and light boats derives from rotor frame precession, only have when this moment and wave action moment are about and just can subtract and shake when anti-phase, approximately effect increasing is shaken during homophase.Out-of-control the subtracting of the precession velocity of rotor frame shaken gyro and be called pure passive subtracting and shake gyro, be similar to pure passive antirolling tank, although can subtract and shake within the scope of design conditions, while exceeding design conditions scope, likely can increase and shake.Therefore, need to install precession control setup additional, the precession velocity of rotor frame is controlled.Current existing technology is mainly to use damper to realize the precession of rotor frame is controlled to (be speed governing, also cry brake).Damper is connected with axis procession, and shock damping action can make precession amplitude reduce, and plays and subtracts the effect of shaking.But, damper to subtract the scope of shaking less, and the shock damping action of damper is nonadjustable subtracting in shaking gyro working process.
Utility model content
In order to overcome the defect existing in prior art, the utility model provides a kind of precession speed regulation device of shaking gyro that subtracts, and concrete technical scheme is as follows:
Subtract a precession speed regulation device of shaking gyro, for controlling subtracting the precession velocity of the rotor frame that shakes gyro, rotor frame is around an axis procession precession, and this precession speed regulation device comprises the first hydraulic ram and electric liquid-flow controlling valve;
The inside of the first hydraulic ram is provided with piston component, and piston component comprises interconnective piston and piston rod; Piston is the first cylinder chamber and the second cylinder chamber by the interior separation of the first hydraulic ram, and wherein, the side that piston connects piston rod is the second cylinder chamber, and the opposite side of piston is the first cylinder chamber; The first hydraulic ram is provided with the first oil inlet and outlet and the second oil inlet and outlet, and wherein, the first oil inlet and outlet is communicated with the first cylinder chamber and oil cylinder outside, and the second oil inlet and outlet is communicated with the second cylinder chamber and oil cylinder outside; Piston rod is connected with a connecting rod, and connecting rod is connected with the axis procession of rotor frame;
Electricity liquid-flow controlling valve includes an inlet and an outlet, and the first oil inlet and outlet unilaterally connected is to the entrance of electric liquid-flow controlling valve, and the outlet unilaterally connected of electric liquid-flow controlling valve is to the second oil inlet and outlet; The second oil inlet and outlet unilaterally connected is to the entrance of electric liquid-flow controlling valve, and the outlet unilaterally connected of electric liquid-flow controlling valve is to the first oil inlet and outlet;
Between the entrance of the first oil inlet and outlet, electric liquid-flow controlling valve and the outlet of electric liquid-flow controlling valve, form a commutating circuit; Between the entrance of the second oil inlet and outlet, electric liquid-flow controlling valve and the outlet of electric liquid-flow controlling valve, form another commutating circuit.
As prioritization scheme, this precession speed regulation device also comprises the control command device being connected with electric liquid-flow controlling valve, and control command device is for controlling the flow of electric liquid-flow controlling valve.
As prioritization scheme, control command device is for regulating the flow/differential pressure characteristics of electric liquid-flow controlling valve.
As prioritization scheme, this precession speed regulation device also comprises second hydraulic ram identical with the first hydraulic ram structure; The piston rod of the second hydraulic ram is connected with connecting rod, and the first oil inlet and outlet unilaterally connected of the second hydraulic ram is to the entrance of electric liquid-flow controlling valve, and the outlet unilaterally connected of electric liquid-flow controlling valve is to the first oil inlet and outlet of the second hydraulic ram; The second oil inlet and outlet of the first hydraulic ram is communicated with the second oil inlet and outlet of the second hydraulic ram.
As prioritization scheme, this precession speed regulation device also comprises the first check valve, the second check valve, the 3rd check valve and the 4th check valve that structure is identical, and the first check valve, the second check valve, the 3rd check valve and the 4th check valve are equipped with entrance and exit;
The first oil inlet and outlet of the first hydraulic ram is communicated with the entrance of the first check valve and the outlet of the second check valve respectively; The first oil inlet and outlet of the second hydraulic ram is communicated with the entrance of the 3rd check valve and the outlet of the 4th check valve respectively; The entrance of electricity liquid-flow controlling valve is communicated with the outlet of the first check valve and the outlet of the 3rd check valve respectively, and the outlet of electric liquid-flow controlling valve is communicated with the entrance of the second check valve and the entrance of the 4th check valve respectively;
The first check valve, electric liquid-flow controlling valve and the 4th check valve form a commutating circuit; The 3rd check valve, electric liquid-flow controlling valve and the second check valve form another commutating circuit.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model arranges two commutating circuits of many unidirectional pipelines formations and plays valve action, make the hydraulic oil of the flexible drive of hydraulic ram always by the entrance of electric liquid-flow controlling valve, flow into, export and flow out, thereby realize the control to flow, and then control precession velocity, and it is larger effectively to subtract the scope of shaking;
(2) the utility model adopts electric liquid-flow controlling valve, by control command device, flow is controlled in real time, in subtracting the working process that shakes gyro, can adjust in real time precession velocity, make to subtract and shake gyro and under different sea situations, be automatically adjusted into the precession velocity with best stabilizing efficiency.
Accompanying drawing explanation
The structural representation of Fig. 1 the utility model embodiment 1;
The structural representation of Fig. 2 the utility model embodiment 2.
In upper figure, sequence number is: 11-the first hydraulic ram, 12-the second hydraulic ram, 2-connecting rod, 31-the first check valve, 32-the second check valve, 33-the 3rd check valve, 34-the 4th check valve, 4-electricity liquid-flow controlling valve, 5-control command device, 6-axis procession.
The specific embodiment
Below in conjunction with accompanying drawing, in the mode of embodiment, describe the utility model in detail.
Embodiment 1:
As shown in Figure 1, a kind of precession speed regulation device of shaking gyro that subtracts, for controlling subtracting the precession velocity of the rotor frame that shakes gyro, rotor frame is around axis procession 6 precession, and this precession speed regulation device comprises the first hydraulic ram 11 and electric liquid-flow controlling valve 4.
The inside of the first hydraulic ram 11 is provided with piston component, and piston component comprises interconnective piston and piston rod; Piston is the first cylinder chamber and the second cylinder chamber by the interior separation of the first hydraulic ram 11, and wherein, the side that piston connects piston rod is the second cylinder chamber, and the opposite side of piston is the first cylinder chamber; The first hydraulic ram 11 is provided with the first oil inlet and outlet and the second oil inlet and outlet, and wherein, the first oil inlet and outlet is communicated with the first cylinder chamber and oil cylinder outside, and the second oil inlet and outlet is communicated with the second cylinder chamber and oil cylinder outside; Piston rod is connected with a connecting rod 2, and connecting rod 2 is connected with the axis procession 6 of rotor frame.
Electricity liquid-flow controlling valve 4 includes an inlet and an outlet, and the first oil inlet and outlet unilaterally connected is to the entrance of electric liquid-flow controlling valve 4, and the outlet unilaterally connected of electric liquid-flow controlling valve 4 is to the first oil inlet and outlet; The second oil inlet and outlet unilaterally connected is to the entrance of electric liquid-flow controlling valve 4, and the outlet unilaterally connected of electric liquid-flow controlling valve 4 is to the second oil inlet and outlet.
Between the outlet of the entrance of the first oil inlet and outlet, electric liquid-flow controlling valve 4, electric liquid-flow controlling valve 4 and the second oil inlet and outlet, form a commutating circuit; Between the outlet of the entrance of the second oil inlet and outlet, electric liquid-flow controlling valve 4, electric liquid-flow controlling valve 4 and the first oil inlet and outlet, form another commutating circuit.
Two commutating circuits of the present utility model are realized by unilaterally connected pipeline, can adopt check valve or solenoid directional control valve to realize, and the present embodiment adopts four check valves to realize, but is not limited to this.
In the present embodiment, this precession speed regulation device also comprises the first check valve 31, the second check valve 32, the 3rd check valve 33 and the 4th check valve 34 that structure is identical, sees Fig. 1.The first check valve 31, the second check valve 32, the 3rd check valve 33 and the 4th check valve 34 are equipped with entrance and exit.
The first oil inlet and outlet of the first hydraulic ram 11 is communicated with the entrance of the first check valve 31 and the outlet of the second check valve 32 respectively; The second oil inlet and outlet of the first hydraulic ram 11 is communicated with the entrance of the 3rd check valve 33 and the outlet of the 4th check valve 34 respectively; The entrance of electricity liquid-flow controlling valve 4 is communicated with the outlet of the first check valve 31 and the outlet of the 3rd check valve 33 respectively, and the outlet of electric liquid-flow controlling valve 4 is communicated with the entrance of the second check valve 32 and the entrance of the 4th check valve 34 respectively; The first check valve 31, electric liquid-flow controlling valve 4 and the 4th check valve 34 form a commutating circuit; The 3rd check valve 33, electric liquid-flow controlling valve 4 and the second check valve 32 form a commutating circuit.
The present embodiment adopts a control command device 5 being connected with electric liquid-flow controlling valve 4, by the flow of 5 pairs of electric liquid-flow controlling valves 4 of this control command device, controls.Control command device 5 is for regulating the flow/differential pressure characteristics of electric liquid-flow controlling valve 4.
Principle of work of the present utility model is as follows:
When boats and ships wave, subtract shake gyro rotor frame around axis procession 6 precession, axis procession 6 drives the piston component in the first hydraulic rams 11 flexible by connecting rod 2.
When piston component shrinks, the first cylinder chamber is shunk, and makes hydraulic oil by the first oil inlet and outlet, via the first check valve 31, enter the entrance of electric liquid-flow controlling valve 4.Through the hydraulic oil of electric liquid-flow controlling valve 4, enter the 4th check valve 34, via the hydraulic oil of the 4th check valve 34, by the second oil inlet and outlet, enter the second cylinder chamber, the second cylinder chamber expansion.In this process, because the outlet oil pressure of the second check valve 32 and the 3rd check valve 33 is greater than entrance oil pressure, the second check valve 32 and the 3rd check valve 33 are closed.
When piston component stretches out, the second cylinder chamber is shunk, and makes hydraulic oil by the second oil inlet and outlet, via the 3rd check valve 33, enter the entrance of electric liquid-flow controlling valve 4.Through the hydraulic oil of electric liquid-flow controlling valve 4, enter the second check valve 32, via the hydraulic oil of the second check valve 32, by the first oil inlet and outlet, enter the first cylinder chamber, the first cylinder chamber expansion.In this process, because the outlet oil pressure of the first check valve 31 and the 4th check valve 34 is greater than entrance oil pressure, the first check valve 31 and the 4th check valve 34 are closed.
Because boats and ships constantly wave with wave, make axis procession 6 drive the first hydraulic ram 11 constantly flexible by connecting rod 2, said process moves in circles.Due to the valve action of two commutating circuits that form, hydraulic oil always enters, exports outflow from the entrance of electric liquid-flow controlling valve 4.By the flow of electric liquid-flow controlling valve 4 is regulated, get final product the kinematic velocity of control plunger assembly, and then control precession velocity.
The principle of this flow control is: use formula
be explained, wherein,
rate of volume flow,
coefficient of flow,
the payload space of restriction,
pressure reduction before and after restriction,
it is hydraulic oil mass density.Flow-controlling gate comprises two kinds, is a kind ofly uniform-pressure-drop valve or is governor valve, and be to set up by adjusting in advance the pre compressed magnitude of spring
value; Another kind is shut off valve, direct presetting choke area
.By pressure reduction
as abscissa by flow
the curve drawing as ordinate (feature) is the flow/differential pressure characteristics of electric liquid-flow controlling valve 4.Electricity liquid-flow controlling valve 4 not only can be set up by adjusting in advance the pre compressed magnitude of spring
value, but also can change by current signal
value.Control command device 5 in the present embodiment is for controlling this current signal, by the flow/differential pressure characteristics of electric liquid-flow controlling valve 4 is regulated, realizes controlling by the hydraulic fluid flow rate of electric liquid-flow controlling valve 4.Wherein, the corresponding valve port of each current signal, different current signals provides a different flow/differential pressure curve.
Control command device 5 real-time analysises, calculate the characteristic parameter of the current sea situation of living in of ships and light boats, send the choke area that control command regulates electric liquid-flow controlling valve 4, the flow of electric liquid-flow controlling valve 4 and current sea situation are matched.Wherein, control command device 5 also can be described as control housing, comprise ship attitude measurement instrument and CPU, utilize the rolling situation (comprising cycle, amplitude etc.) of ship attitude measurement instrument monitoring boats and ships, CPU calculates sea situation feature (for example having adopted unrestrained high) according to the rolling situation monitoring, according to the rational valve port area of sea situation feature selecting, sending controling instruction is controlled the flow of electric liquid-flow controlling valve 4.The fixed poor decompression of electricity liquid-flow controlling valve 4 can make hydraulic fluid flow rate in hydraulic tubing not with load variations, always remain expectation value, thereby restriction makes the first hydraulic ram 11 flexible according to the speed of expectation, precession is played to speed governing effect, guarantee to subtract and shake gyro and under complicated sea situation, always there is good stabilizing efficiency.
Embodiment 2:
The utility model needs at least one hydraulic ram, can only adopt a hydraulic ram as in Example 1, also can increase as required other hydraulic rams, and embodiment 2 is the specific embodiment that adopts two hydraulic rams.
As shown in Figure 2, the present embodiment is with the difference of embodiment 1: precession speed regulation device also comprises second hydraulic ram 12 identical with the first hydraulic ram 11 structures.The piston rod of the second hydraulic ram 12 is connected with connecting rod 2, and the first oil inlet and outlet of the second hydraulic ram 12 is communicated with the entrance of the 3rd check valve 33 and the outlet of the 4th check valve 34 respectively; The second oil inlet and outlet of the first hydraulic ram 11 is communicated with the second oil inlet and outlet of the second hydraulic ram 12.The present embodiment adopts the advantage of two oil cylinders to be, it is axisymmetric that the shock damping action of two oil cylinders adds to the diametral load on the bearing of axis procession, is conducive to improve bearing service life.The other technologies scheme of the present embodiment is all identical with embodiment 1, and principle of work is also basic identical, does not repeat them here.
Disclosed is above only several specific embodiments of the application, but the not limited thereto the changes that any person skilled in the art can think of of the application all should drop in the application's protection domain.
Claims (5)
1. one kind subtracts the precession speed regulation device of shaking gyro, for controlling subtracting the precession velocity of the rotor frame that shakes gyro, described rotor frame, around an axis procession precession, is characterized in that, this precession speed regulation device comprises the first hydraulic ram (11) and electric liquid-flow controlling valve (4);
The inside of described the first hydraulic ram (11) is provided with piston component, and described piston component comprises interconnective piston and piston rod; Described piston is the first cylinder chamber and the second cylinder chamber by the interior separation of described the first hydraulic ram (11), and wherein, the side that described piston connects described piston rod is the second cylinder chamber, and the opposite side of described piston is the first cylinder chamber; Described the first hydraulic ram (11) is provided with the first oil inlet and outlet and the second oil inlet and outlet, and wherein, described the first oil inlet and outlet is communicated with described the first cylinder chamber and oil cylinder outside, and described the second oil inlet and outlet is communicated with described the second cylinder chamber and oil cylinder outside; Described piston rod is connected with a connecting rod (2), and described connecting rod (2) is connected with the axis procession of described rotor frame;
Described electric liquid-flow controlling valve (4) includes an inlet and an outlet, and described the first oil inlet and outlet unilaterally connected is to the entrance of described electric liquid-flow controlling valve (4), and the outlet unilaterally connected of described electric liquid-flow controlling valve (4) is to described the second oil inlet and outlet; Described the second oil inlet and outlet unilaterally connected is to the entrance of described electric liquid-flow controlling valve (4), and the outlet unilaterally connected of described electric liquid-flow controlling valve (4) is to described the first oil inlet and outlet;
Between the outlet of the entrance of described the first oil inlet and outlet, described electric liquid-flow controlling valve (4), described electric liquid-flow controlling valve (4) and described the second oil inlet and outlet, form a commutating circuit; Between the outlet of the entrance of described the second oil inlet and outlet, described electric liquid-flow controlling valve (4), described electric liquid-flow controlling valve (4) and described the first oil inlet and outlet, form another commutating circuit.
2. a kind of precession speed regulation device of shaking gyro that subtracts according to claim 1, it is characterized in that, also comprise the control command device (5) being connected with described electric liquid-flow controlling valve (4), described control command device (5) is for controlling the flow of described electric liquid-flow controlling valve (4).
3. a kind of precession speed regulation device of shaking gyro that subtracts according to claim 2, is characterized in that, described control command device (5) is for regulating the flow/differential pressure characteristics of described electric liquid-flow controlling valve (4).
4. according to a kind of precession speed regulation device of shaking gyro that subtracts described in claim 1 or 2 or 3, it is characterized in that, also comprise second hydraulic ram (12) identical with described the first hydraulic ram (11) structure; The piston rod of described the second hydraulic ram (12) is connected with described connecting rod (2), the first oil inlet and outlet unilaterally connected of described the second hydraulic ram (12) is to the entrance of described electric liquid-flow controlling valve (4), and the outlet unilaterally connected of described electric liquid-flow controlling valve (4) is to the first oil inlet and outlet of described the second hydraulic ram (12); The second oil inlet and outlet of described the first hydraulic ram (11) is communicated with the second oil inlet and outlet of described the second hydraulic ram (12).
5. a kind of precession speed regulation device of shaking gyro that subtracts according to claim 4, it is characterized in that, also comprise the first check valve (31), the second check valve (32), the 3rd check valve (33) and the 4th check valve (34) that structure is identical, described the first check valve (31), described the second check valve (32), described the 3rd check valve (33) and described the 4th check valve (34) are equipped with entrance and exit;
The first oil inlet and outlet of described the first hydraulic ram (11) is communicated with the entrance of described the first check valve (31) and the outlet of described the second check valve (32) respectively; The first oil inlet and outlet of described the second hydraulic ram (12) is communicated with the entrance of described the 3rd check valve (33) and the outlet of described the 4th check valve (34) respectively; The entrance of described electric liquid-flow controlling valve (4) is communicated with the outlet of described the first check valve (31) and the outlet of described the 3rd check valve (33) respectively, and the outlet of described electric liquid-flow controlling valve (4) is communicated with the entrance of described the second check valve (32) and the entrance of described the 4th check valve (34) respectively;
Described the first check valve (31), electric liquid-flow controlling valve (4) and the 4th check valve (34) form a commutating circuit; Described the 3rd check valve (33), electric liquid-flow controlling valve (4) and the second check valve (32) form another commutating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559618.2U CN203486114U (en) | 2013-09-10 | 2013-09-10 | Precession speed adjustment device of anti-rolling gyro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559618.2U CN203486114U (en) | 2013-09-10 | 2013-09-10 | Precession speed adjustment device of anti-rolling gyro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203486114U true CN203486114U (en) | 2014-03-19 |
Family
ID=50256960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320559618.2U Expired - Fee Related CN203486114U (en) | 2013-09-10 | 2013-09-10 | Precession speed adjustment device of anti-rolling gyro |
Country Status (1)
| Country | Link |
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| CN (1) | CN203486114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907362A (en) * | 2017-04-14 | 2017-06-30 | 中国船舶重工集团公司第七0四研究所 | Subtracting based on magnetic flow liquid shakes gyroscopic procession control system |
| CN110332161A (en) * | 2019-07-17 | 2019-10-15 | 上海衡拓船舶设备有限公司 | Stabilizer two-stage pressure-regulating and the servo hydraulic system of load oil circuit switching |
-
2013
- 2013-09-10 CN CN201320559618.2U patent/CN203486114U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907362A (en) * | 2017-04-14 | 2017-06-30 | 中国船舶重工集团公司第七0四研究所 | Subtracting based on magnetic flow liquid shakes gyroscopic procession control system |
| CN106907362B (en) * | 2017-04-14 | 2018-08-21 | 中国船舶重工集团公司第七0四研究所 | Subtracting based on magnetorheological fluid shakes gyroscopic procession control system |
| CN110332161A (en) * | 2019-07-17 | 2019-10-15 | 上海衡拓船舶设备有限公司 | Stabilizer two-stage pressure-regulating and the servo hydraulic system of load oil circuit switching |
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Granted publication date: 20140319 Termination date: 20160910 |