CN201566808U - Hydraulic control system of dinghy collecting and releasing device for ship use - Google Patents

Hydraulic control system of dinghy collecting and releasing device for ship use Download PDF

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Publication number
CN201566808U
CN201566808U CN2009201629903U CN200920162990U CN201566808U CN 201566808 U CN201566808 U CN 201566808U CN 2009201629903 U CN2009201629903 U CN 2009201629903U CN 200920162990 U CN200920162990 U CN 200920162990U CN 201566808 U CN201566808 U CN 201566808U
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China
Prior art keywords
valve
oil
communicated
control system
canoe
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Expired - Fee Related
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CN2009201629903U
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Chinese (zh)
Inventor
索成将
张健
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SHEYANG YUANYANG SHIPPING AUXILIARY MACHINE CO Ltd
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SHEYANG YUANYANG SHIPPING AUXILIARY MACHINE CO Ltd
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Priority to CN2009201629903U priority Critical patent/CN201566808U/en
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Abstract

The utility model relates to a hydraulic control system of a dinghy collecting and releasing device for ship use. When the dinghy is set on water surface and still in a hooked state, the hydraulic control system can control a steel cable with constant tension, at the moment the P port and the B port of a main-control electromagnetic valve are communicated; when the oil pressure in an oil circuit is within the normal range, the pressure oil flows to a one-way valve through the B port and is communicated with a hydraulic motor at last after flowing through the electromagnetic valve, and the hydraulic motor is also communicated with another electromagnetic valve, so that the control to the steel cable with constant tension is realized through controlling the hydraulic motor forwardly and reversely; and when the oil pressure in the oil circuit is over-high, the pressure oil flows through two unloading valves, so that the oil pressure in the system is guaranteed to be in the normal range through unloading. The control mode leads the steel cable always to be in a tension state, thereby reducing the rocking of the dinghy and ensuring safety, and at the same time preparing to lift the dinghy at any moment.

Description

The warship hydraulic control system of canoe draw off gear
Technical field
The utility model relates to a kind of marine mechanical device, particularly a kind of warship hydraulic control system of canoe draw off gear.
Background technology
In order to guarantee normally folding and unfolding of canoe under high sea condition, adopt canoe draw off gear in the world with motion compensator unit, by the quick canoe of articulated boom direct connection, freely ship is taken in or emits outboard.At quick rescue ship, in order to realize motion compensation, its canoe draw off gear must solve following technical barrier:
1, canoe is in the process with arm (translation of arm or revolution), because the six-freedom motion of lash ship makes canoe rock; In order to reduce this safety that guarantees staff and equipment of rocking, lifesaving canoe draw off gear must have and reduces or compensate the function that (elimination) canoe rocks.
2, canoe in the folding and unfolding process because the rocking to make between canoe and the cable wire and form pendulum effect of lash ship, will in cable wire, produce rapid tension fluctuation like this, reduce the normal service life of cable wire, sometimes even canoe can take place and lash ship is collided or the accident of cables break, so the canoe draw off gear must have the function that reduces the cable tension fluctuation.
3, put to water surface place at canoe, when still keeping the state of hook, canoe drifts with the tide in the ocean, sways (particularly heave) significantly and has brought great difficulty and danger coefficient for normal retractable operation; Must keep the slack-free state of cable wire constantly in order to reduce this danger, it is ready for the lifting of canoe at any time simultaneously to reduce rocking of canoe.
Summary of the invention
The purpose of this utility model is to provide the hydraulic control system of a kind of warship with the canoe draw off gear, makes cable wire in tension all the time, when reducing rocking of canoe and guaranteeing safety, be that the lifting of canoe is got ready at any time.
A purpose more of the present utility model is, finish receive the ship action after, by making hydraulic lock locking, on arm, avoid the contingency generation with fixing canoe.
Another purpose of the present utility model is, realizes the luffing control to arm; Reduce hang ship in the folding and unfolding process since external disturbance cause hang the ship vibration, the pulling force that reduces in the cable wire fluctuates, and plays the vibration reduction and cushioning effect; And make canoe reduce rocking tendency.Realize the pendulum that subtracts in the canoe folding and unfolding process.
For reaching above-mentioned purpose, the utility model warship hydraulic control system of canoe draw off gear mainly comprises:
One oil pump, it is by motor drives rotation and oil suction from fuel tank;
One master control electromagnetic valve, it is one and canoe is hoisted, descends or the two-position four-way valve of permanent Tension Control;
One HM Hydraulic Motor, its mechanical mouth is connected with the cable wire that is used for the folding and unfolding canoe; Wherein:
This oil pump is communicated in the P mouth and a reducing valve of this master control electromagnetic valve respectively through the 3rd check valve;
The B mouth of this master control electromagnetic valve is communicated in the 4th electromagnetic valve through first check valve, and the 4th electromagnetic valve is communicated in a side oil inlet of this HM Hydraulic Motor;
The first drain charge valve, one side is communicated in the oil outlet of first check valve, and opposite side is through the overflow oil tube oil sump tank; One side of the second drain charge valve is communicated in the oil inlet of first check valve, and the opposite side of this second drain charge valve is through the overflow oil tube oil sump tank.
The better one, the oil circuit that the A mouth of this master control electromagnetic valve is communicated with is connected with A1 oil circuit or B1 oil circuit respectively through the first valve body group; Described A1 oil circuit is communicated in second electromagnetic valve, and this second electromagnetic valve is through a balance cock and finally be communicated in the above-mentioned side oil inlet of this HM Hydraulic Motor; Described B1 oil circuit is communicated in the 3rd electromagnetic valve, and the 3rd electromagnetic valve is communicated in the opposite side oil inlet of this HM Hydraulic Motor.
The better one, this HM Hydraulic Motor also is communicated in a power-transfer clutch, and this power-transfer clutch is communicated in a pilot operated directional control valve through an one-way throttle valve, and is communicated with above-mentioned reducing valve; Be communicated with one group of compression indicator and pressure meter switch on the oil circuit between this pilot operated directional control valve and the reducing valve; This power-transfer clutch also links a limit switch.
The better one, a high-pressure ball valve is communicated in the both sides oil inlet of this HM Hydraulic Motor.
The better one, a side oil inlet of second shuttle valve is communicated in the oil circuit that is connected between second electromagnetic valve and the balance cock, and the opposite side oil inlet is communicated in the oil circuit that is connected between the 3rd electromagnetic valve and the HM Hydraulic Motor; One side oil inlet of the 3rd shuttle valve is connected with the oil outlet of this second shuttle valve, and the opposite side oil inlet of the 3rd shuttle valve then is connected with the oil inlet of first check valve.
The better one, this hydraulic efficiency pressure system also contains a manual pump, and this manual pump is connected with this fuel tank through a ball valve, and the oil outlet of this manual pump also is communicated in P mouth and this reducing valve of this master control electromagnetic valve respectively by second check valve.
The better one, this hydraulic control system also comprises a plurality of plugging pin oil cylinder and a plurality of near switch, this plugging pin oil cylinder is connected with the second valve body group.
The better one, this hydraulic control system also comprises an amplitude oil cylinder and a two-way balance cock, and this amplitude oil cylinder is connected with this bidirectional balanced valve, and this bidirectional balanced valve is connected with hand change over valve via hand change over valve again; A hydraulic fluid port of this hand change over valve is connected with the B3 mouth of the 3rd valve body group, and its another hydraulic fluid port then is connected with energy storage through an one-way throttle valve.
The better one, this hydraulic control system comprises that also a damping oil cylinder, two subtract pendulum oil cylinder and two flow regulating valve, and these two to subtract the pendulum oil cylinder vertical mutually, and these two subtract the pendulum oil cylinder and are communicated in this two flow regulating valve respectively.
The beneficial effects of the utility model are: making cable wire in tension all the time, when reducing rocking of canoe and guaranteeing safety, be that the lifting of canoe is got ready at any time; Finish receive the ship action after, by making hydraulic lock locking, on arm, avoid the contingency generation with fixing canoe; Can realize luffing control to arm; Reduce hang ship in the folding and unfolding process since external disturbance cause hang the ship vibration, the pulling force that reduces in the cable wire fluctuates, and plays the vibration reduction and cushioning effect; And make canoe reduce rocking tendency.Realize the pendulum that subtracts in the canoe folding and unfolding process.
Description of drawings
Fig. 1 is the scheme drawing of the utility model warship with the hydraulic control system of canoe draw off gear;
Fig. 2 is the again preferred embodiment of the utility model warship with the hydraulic control system of canoe draw off gear;
Fig. 3 is the another preferred embodiment of the utility model warship with the hydraulic control system of canoe draw off gear.
Description of reference numerals: 401-fuel tank; The 402-electrical motor; The 403-oil pump; The 404-manual pump; The 405-temperature booster; The 406-liquid level switch; 407a-first check valve; 407b-second check valve; The 408-temperature switch; The 409-temperature switch; The 410-liquidometer; The 411-air cap; The 412-return filter; The 413-ball valve; 414a-the 3rd check valve; 414b-the 4th check valve; The 415-check valve; 416-coupler and bell cover; The 417-energy storage; 418-energy storage safety valve; 419-first shuttle valve; 419a-second shuttle valve; 419b-the 3rd shuttle valve; The 420-Solenoid ball valve; The manual proportional reversing valve of 421-; The 422-one-way throttle valve; The 423-first drain charge valve; The 423a-second drain charge valve; 424-first electromagnetic valve; 424a-second electromagnetic valve; 424b-the 3rd electromagnetic valve; 424c-the 4th electromagnetic valve; The 425-balance cock; The 426-high-pressure ball valve; The 427-HM Hydraulic Motor; The 428-power-transfer clutch; The 429-one-way throttle valve; The 430-pilot operated directional control valve; The 431-reducing valve; The 432-plugging pin oil cylinder; The bidirectional balanced valve of 433-; The 434-sequence valve; The 435-amplitude oil cylinder; 436-support oil cylinder; The 437-limit switch; 438-is near switch; The 439-compression indicator; The 440-pressure meter switch; 441-master control electromagnetic valve; 442-damping oil cylinder; 443-subtracts the pendulum oil cylinder; The 444-flow regulating valve; 445-quick coupling; 446-subtracts the pendulum oil cylinder; The 447-hand change over valve; The 448-hand change over valve; The 449-overflow oil tube; The 1-first valve body group; The 2-second valve body group; 3-the 3rd valve body group; 4-the 4th valve body group.
The specific embodiment
As shown in Figure 1, the utility model warship hydraulic control system of canoe draw off gear, its oil circuit is connected to: an oil pump 403 is by an electrical motor 402 driven rotary and oil suction from a fuel tank 401, this oil pump 403 is communicated in the P mouth and a reducing valve 431 of master control electromagnetic valve 441 respectively through the 3rd check valve 414a; Manual pump 404 is connected with fuel tank 401 equally through a ball valve 413, and its oil outlet is by the second check valve 407b and be communicated in the P mouth of master control electromagnetic valve 441 and above-mentioned reducing valve 431 respectively; Be that oil pump 403 and manual pump 404 all can be used as engine installation for this hydraulic control system provides pressure oil, make this warship have electric/manual and play the ship mode with the canoe draw off gear.
This master control electromagnetic valve 441 is a two-position four-way valve, and it hoists, descends or permanent Tension Control canoe; The oil circuit that A mouth wherein is communicated with is connected it respectively through first valve body 1 with A1 oil circuit or B 1 oil circuit; B mouth wherein is communicated in the 4th electromagnetic valve 424c through the first check valve 407a, and the 4th electromagnetic valve 424c is communicated in a side oil inlet of HM Hydraulic Motor 427, and first electromagnetic valve 424 is communicated in the opposite side oil inlet of HM Hydraulic Motor 427.
Described A1 oil circuit is communicated in the second electromagnetic valve 424a, and this second electromagnetic valve 424a is through balance cock 425 and finally be communicated in the above-mentioned side oil inlet of HM Hydraulic Motor 427; Described B 1 oil circuit is communicated in the 3rd electromagnetic valve 424b, and the 3rd electromagnetic valve 424b is communicated in the opposite side oil inlet of HM Hydraulic Motor 427.
The first drain charge valve, 423 1 sides are communicated in the oil outlet of the first check valve 407a, and opposite side is through overflow oil tube 449 oil sump tanks 401; The side of the second drain charge valve 423a is communicated in the oil inlet of the first check valve 407a, and the opposite side of this second drain charge valve 423a is through overflow oil tube 449 oil sump tanks 401.
One high-pressure ball valve 426 is communicated in the both sides oil inlet of this HM Hydraulic Motor 427.
This HM Hydraulic Motor 427 also is communicated in a power-transfer clutch 428, and this power-transfer clutch 428 is communicated in pilot operated directional control valve 430 through an one-way throttle valve 429, and is communicated with above-mentioned reducing valve 431; Be communicated with one group of compression indicator 439 and pressure meter switch 440 on the oil circuit between this pilot operated directional control valve 430 and the reducing valve 431; This power-transfer clutch 428 also links a limit switch 437.
The mechanical mouth of this HM Hydraulic Motor 427 and the cable wire that is used for the folding and unfolding canoe (not shown) that is connected.
The side oil inlet of the second shuttle valve 419a is communicated in the oil circuit that is connected between the second electromagnetic valve 424a and the balance cock 425, and the opposite side oil inlet is communicated in the oil circuit that is connected between the 3rd electromagnetic valve 424b and the HM Hydraulic Motor 427; The oil outlet of this second shuttle valve 419a is connected with the side oil inlet of the 3rd shuttle valve 419b, and the opposite side oil inlet of the 3rd shuttle valve 419b then is connected with the oil inlet of the first check valve 407a.
When the P of master control electromagnetic valve 441 mouth is connected with the A mouth, this hydraulic control system realizes the folding and unfolding to canoe, pressure oil in the first valve body group of hydraulic control system has two flow paths at this moment, the one, when pressure oil by the flow through second electromagnetic valve 424a and when finally entering HM Hydraulic Motor 427 of the A1 oil circuit of the first valve body group 1, this HM Hydraulic Motor 427 is rotated in the forward to twine the cable wire (not shown), realizes hoisting of canoe; The 2nd, when pressure oil by flow through the 3rd electromagnetic valve 424b and when finally entering HM Hydraulic Motor 427 of the B1 oil circuit of the first valve body group 1, make these HM Hydraulic Motor 427 contrarotations to discharge the cable wire (not shown), realize the decline of canoe; In both of these case, no matter be from the second electromagnetic valve 424a or the pressure oil that flows out from 424b all can enter the second shuttle valve 419a and the 3rd shuttle valve 419b, thereby the pilot operated directional control valve 430 of flowing through is also opened power-transfer clutch 428, make HM Hydraulic Motor to turn round, and this power-transfer clutch 428 and a limit switch 437 are connected, this limit switch 437 has 3 the tunnel, thereby control clutch 428 has 3 kinds of oil-feed speed, and finally influences the speed of cable wire folding and unfolding canoe; And high-pressure ball valve 426 canoe hoist or the process that descends in can prevent hypertonia in its both sides oil circuit in the mode of drain charge, play the effect of protection HM Hydraulic Motor.
When canoe is put to water surface place and still keep the state of hook, this hydraulic control system can realize the permanent Tension Control to cable wire, make the P mouth of master control electromagnetic valve 441 be connected with the B mouth this moment, when oil pressure is in normal range in the oil circuit, pressure oil is by B mouth the flow through first check valve 407a, flow through the 4th electromagnetic valve 424c and finally being connected with HM Hydraulic Motor 427 again, this HM Hydraulic Motor 427 also is connected with first electromagnetic valve 424, by forward and reverse modulated pressure motor 427 to realize permanent Tension Control to cable wire; And when oil pressure is too high in the oil circuit, the pressure oil first drain charge valve 423 of then can flowing through, the mode by drain charge is in normal range with the oil pressure in the assurance system; This mode makes cable wire in tension all the time, when reducing rocking of canoe and promptly guaranteeing safety, is that the lifting of canoe is ready at any time.
As shown in Figure 2, be a preferred embodiment more of the present utility model, this hydraulic control system also can comprise a plurality of plugging pin oil cylinder 432 and a plurality of near switch 438, and this plugging pin oil cylinder 432 is connected with the second valve body group 2; Finish receive the ship action after, by to a plurality of plugging pin oil cylinder 432 that the second valve body group 2 is connected in the control of oil pressure, make hydraulic lock locking, on arm, avoid the contingency generation with fixing canoe; And canoe need be emitted outboard the time, then this plugging pin oil cylinder 432 is untied one by one to discharge canoe.
As shown in Figure 3, for another preferred embodiment of the present utility model, in luffing mechanism, amplitude oil cylinder 435 is connected with bidirectional balanced valve 433, and this bidirectional balanced valve 433 is connected with hand change over valve 448 via hand change over valve 447 again; A hydraulic fluid port of this hand change over valve 448 is connected with the B3 oil circuit of the 3rd valve body group 3, its another hydraulic fluid port then is connected with energy storage 417 through an one-way throttle valve 422, promptly the amplitude oil cylinder of this luffing mechanism can be respectively relies on the hydraulic pressure energy that system oil pressure or energy storage provide and carries out fore and aft motion, thereby realizes the luffing control to the arm (not shown).
The effect of shock absorption device by damping oil cylinder 442 reduce hang ship in the folding and unfolding process since external disturbance cause hang the ship vibration, reduce the pulling force fluctuation in the cable wire, play the vibration reduction and cushioning effect.
Anti roll device mainly by mutually vertically arranged two subtract pendulum oil cylinder 443,446 and subtract the flow regulating valve 444 that the pendulum oil cylinder is connected and is formed with these two respectively, be respectively applied for and reduce that canoe is horizontal, longitudinal oscillation.Horizontal anti-sway oil cylinder is installed in arm and the cable wire plane, vertically subtracts the pendulum oil cylinder and is installed in the perpendicular plane of arm and cable wire.During work, when canoe waves owing to lash ship rocks and the effect of stormy waves when waving, each damping oil cylinder flows by flow regulating valve 444 modulated pressure oil, makes canoe reduce rocking tendency.Realize the pendulum that subtracts in the canoe folding and unfolding process.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.

Claims (9)

1. a warship mainly comprises with the hydraulic control system of canoe draw off gear:
One oil pump, it is by motor drives rotation and oil suction from fuel tank;
One master control electromagnetic valve, it is one and canoe is hoisted, descends or the two-position four-way valve of permanent Tension Control;
One HM Hydraulic Motor, its mechanical mouth is connected with the cable wire that is used for the folding and unfolding canoe; It is characterized in that:
This oil pump is communicated in the P mouth and a reducing valve of this master control electromagnetic valve respectively through the 3rd check valve;
The B mouth of this master control electromagnetic valve is communicated in the 4th electromagnetic valve through first check valve, and the 4th electromagnetic valve is communicated in a side oil inlet of this HM Hydraulic Motor, and first electromagnetic valve is communicated in the opposite side oil inlet of this HM Hydraulic Motor;
The first drain charge valve, one side is communicated in the oil outlet of this first check valve, and opposite side is through the overflow oil tube oil sump tank; One side of the second drain charge valve is communicated in the oil inlet of first check valve, and the opposite side of this second drain charge valve is through the overflow oil tube oil sump tank.
2. warship as claimed in claim 1 is characterized in that with the hydraulic control system of canoe draw off gear the oil circuit that the A mouth of this master control electromagnetic valve is communicated with is connected with A1 oil circuit or B1 oil circuit respectively through the first valve body group; Described A1 oil circuit is communicated in second electromagnetic valve, and this second electromagnetic valve is through a balance cock and finally be communicated in the above-mentioned side oil inlet of this HM Hydraulic Motor; Described B1 oil circuit is communicated in the 3rd electromagnetic valve, and the 3rd electromagnetic valve is communicated in the opposite side oil inlet of this HM Hydraulic Motor.
3. warship as claimed in claim 2 is characterized in that with the hydraulic control system of canoe draw off gear this HM Hydraulic Motor also is communicated in a power-transfer clutch, and this power-transfer clutch is communicated in a pilot operated directional control valve through an one-way throttle valve, and is communicated with above-mentioned reducing valve; Be communicated with one group of compression indicator and pressure meter switch on the oil circuit between this pilot operated directional control valve and the reducing valve; This power-transfer clutch also links a limit switch.
4. warship as claimed in claim 3 is characterized in that with the hydraulic control system of canoe draw off gear a high-pressure ball valve is communicated in the both sides oil inlet of this HM Hydraulic Motor.
5. warship as claimed in claim 4 is characterized in that with the hydraulic control system of canoe draw off gear this hydraulic control system also comprises one second shuttle valve and one the 3rd shuttle valve; One side oil inlet of this second shuttle valve is communicated in the oil circuit that is connected between second electromagnetic valve and the balance cock, and the opposite side oil inlet is communicated in the oil circuit that is connected between the 3rd electromagnetic valve and the HM Hydraulic Motor; One side oil inlet of the 3rd shuttle valve is connected with the oil outlet of this second shuttle valve, and the opposite side oil inlet of the 3rd shuttle valve then is connected with the oil inlet of first check valve.
6. the warship as claimed in claim 5 hydraulic control system of canoe draw off gear, it is characterized in that, this hydraulic control system also contains a manual pump, this manual pump is connected with this fuel tank through a ball valve, and the oil outlet of this manual pump also is communicated in P mouth and this reducing valve of this master control electromagnetic valve respectively by second check valve.
7. it is characterized in that with the hydraulic control system of canoe draw off gear this hydraulic control system also comprises a plurality of plugging pin oil cylinder and a plurality of near switch as each described warship in the claim 1 to 6, this plugging pin oil cylinder is connected with the second valve body group.
8. use the hydraulic control system of canoe draw off gear as each described warship in the claim 1 to 6, it is characterized in that, this hydraulic control system also comprises an amplitude oil cylinder and a two-way balance cock, this amplitude oil cylinder is connected with this bidirectional balanced valve, and this bidirectional balanced valve is connected with hand change over valve via hand change over valve again; A hydraulic fluid port of this hand change over valve is connected with the B3 oil circuit of the 3rd valve body group, and its another hydraulic fluid port then is connected with energy storage through an one-way throttle valve.
9. use the hydraulic control system of canoe draw off gear as each described warship in the claim 1 to 6, it is characterized in that, this hydraulic control system comprises that also a damping oil cylinder, two subtract pendulum oil cylinder and two flow regulating valve, these two subtract the pendulum oil cylinder vertical mutually, these two subtract the pendulum oil cylinder be communicated in this two flow regulating valve respectively.
CN2009201629903U 2009-08-28 2009-08-28 Hydraulic control system of dinghy collecting and releasing device for ship use Expired - Fee Related CN201566808U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261056A (en) * 2011-05-06 2011-11-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN104015886A (en) * 2014-06-13 2014-09-03 天津汉海环保设备有限公司 Launching and recycling system for water surface unmanned aircraft
CN106564579A (en) * 2016-11-22 2017-04-19 中船华南船舶机械有限公司 Hydraulic retractable fin stabilization buffer device
CN110182610A (en) * 2019-04-29 2019-08-30 宝钢湛江钢铁有限公司 A kind of intelligence stacker-reclaimer intelligence pitching Hydraulic system and control method
CN110482337A (en) * 2019-08-27 2019-11-22 广船国际有限公司 A kind of ship distance line automatic takeup
CN114655870A (en) * 2022-03-30 2022-06-24 中国船舶重工集团公司第七0七研究所九江分部 Hydraulic control system for keeping constant tension of steel wire rope

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261056A (en) * 2011-05-06 2011-11-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN102261056B (en) * 2011-05-06 2013-01-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN104015886A (en) * 2014-06-13 2014-09-03 天津汉海环保设备有限公司 Launching and recycling system for water surface unmanned aircraft
CN104015886B (en) * 2014-06-13 2018-10-16 天津汉海环保设备有限公司 A kind of water surface unmanned vehicles drop puts recovery system
CN106564579A (en) * 2016-11-22 2017-04-19 中船华南船舶机械有限公司 Hydraulic retractable fin stabilization buffer device
CN106564579B (en) * 2016-11-22 2018-09-18 中船华南船舶机械有限公司 Hydraulic pressure folding and unfolding, which subtracts, shakes buffer unit
CN110182610A (en) * 2019-04-29 2019-08-30 宝钢湛江钢铁有限公司 A kind of intelligence stacker-reclaimer intelligence pitching Hydraulic system and control method
CN110182610B (en) * 2019-04-29 2021-07-13 宝钢湛江钢铁有限公司 Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method
CN110482337A (en) * 2019-08-27 2019-11-22 广船国际有限公司 A kind of ship distance line automatic takeup
CN114655870A (en) * 2022-03-30 2022-06-24 中国船舶重工集团公司第七0七研究所九江分部 Hydraulic control system for keeping constant tension of steel wire rope

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