CN110329483A - The closed type hydraulic system of full-rotating rudder paddle - Google Patents
The closed type hydraulic system of full-rotating rudder paddle Download PDFInfo
- Publication number
- CN110329483A CN110329483A CN201910472877.3A CN201910472877A CN110329483A CN 110329483 A CN110329483 A CN 110329483A CN 201910472877 A CN201910472877 A CN 201910472877A CN 110329483 A CN110329483 A CN 110329483A
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- valve
- mouthfuls
- oil
- closed type
- module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/26—Steering engines
- B63H25/28—Steering engines of fluid type
- B63H25/30—Steering engines of fluid type hydraulic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of closed type hydraulic systems of full-rotating rudder paddle, belong to full-rotating rudder paddle technical field.Including motor M, hydraulic power module, anti-reverse module；Motor M includes A1 mouthfuls and B1 mouthfuls；Hydraulic power module includes A2 mouthfuls and B2 mouthfuls；Anti-reverse module includes the first hydraulic control direction valve, the second hydraulic control direction valve, the first check valve and second one-way valve, the oil inlet of first hydraulic control direction valve is connected to A1 mouthfuls, the oil outlet of first hydraulic control direction valve is connected to A2 mouthfuls, the oil inlet of first check valve is connected to A2 mouthfuls, and the oil outlet of the first check valve is connected to A1 mouthfuls；The oil inlet of second hydraulic control direction valve is connected to B1 mouthfuls, and the oil outlet of the second hydraulic control direction valve is connected to B2 mouthfuls, and the oil inlet of second one-way valve is connected to B2 mouthfuls, and the oil outlet of second one-way valve is connected to B1 mouthfuls.Closed type hydraulic system provided by the invention, it is ensured that the swing mechanism pivot angle of full-rotating rudder paddle is stablized, while can guarantee the working efficiency of hydraulic system.
Description
Technical field
The present invention relates to full-rotating rudder paddle technical field, in particular to a kind of closed type hydraulic system of full-rotating rudder paddle.
Background technique
Full-rotating rudder screw can provide the thrust of comprehensive vector, be the important of dynamic positioning Engineering ship or platform
Equipment.But under the action of ocean wave and ocean current, the swing mechanism of full-rotating rudder paddle can be pushed, to not can guarantee back
The pivot angle of rotation mechanism is stablized.Therefore, it will usually which balanced valve is set in hydraulic system, to guarantee swing mechanism not by external force shadow
It rings.
But balanced valve can consume a large amount of power when hydraulic system works, and reduce the working efficiency of hydraulic system.
Summary of the invention
The embodiment of the invention provides a kind of closed type hydraulic systems of full-rotating rudder paddle, it is ensured that full-rotating rudder paddle returns
Rotation mechanism pivot angle is stablized, while can guarantee the working efficiency of hydraulic system.The technical solution is as follows:
The present invention provides a kind of closed type hydraulic system of full-rotating rudder paddle, the closed type hydraulic system includes motor M, liquid
Press power module, anti-reverse module；
The hydraulic motor M includes A1 mouthfuls and B1 mouthfuls；The hydraulic power module includes A2 mouthfuls and B2 mouthfuls；
The anti-reverse module includes the first hydraulic control direction valve V3-1, the second hydraulic control direction valve V3-2, the first check valve V3-
3 and second one-way valve V3-4,
The oil inlet of the first hydraulic control direction valve V3-1 is connected to A1 mouthfuls, and the first hydraulic control direction valve V3-1's is fuel-displaced
Mouth is connected to A2 mouthfuls, and the oil inlet of the first check valve V3-3 is connected to A2 mouthfuls, the oil outlet of the first check valve V3-3
It is connected to A1 mouthfuls；
The oil inlet of the second hydraulic control direction valve V3-2 is connected to B1 mouthfuls, and the second hydraulic control direction valve V3-2's is fuel-displaced
Mouth is connected to B2 mouthfuls, and the oil inlet of the second one-way valve V3-4 is connected to B2 mouthfuls, the oil outlet of the second one-way valve V3-4
It is connected to B1 mouthfuls.
Further, the hydraulic power module includes diesel engine and close circuit variable pump, the belt of the diesel engine
Close circuit variable pump described in wheel drive exports hydraulic oil from A2 mouthfuls or B2 mouthfuls.
Further, the close circuit variable pump includes main pump P2.1 and slippage pump P2.2, the slippage pump P2.2 use
In to the main pump P2.1 repairing.
Further, the closed type hydraulic system further includes filtering module, and the filtering module includes filter F 4-1, list
To valve C4-1, check valve C4-2 and shut-off valve K2；
The oil inlet of the shut-off valve K2 is connected to the Fe of hydraulic power module mouth, and the first of the shut-off valve K2 goes out
Hydraulic fluid port is connected to the oil inlet of the filter F 4-1, and the oil outlet of the filter F 4-1 and the oil inlet of check valve C4-1 connect
Logical, the oil outlet of the check valve C4-1 is connected to the Fa of hydraulic power module mouth；
The oil inlet of the check valve C4-2 is connected to the first oil outlet of the shut-off valve K2, the check valve C4-2's
Oil outlet is connected to the Fa of hydraulic power module mouth.
Further, the filtering module further includes filter F 4-2, check valve C4-3 and check valve C4-4；
The second oil outlet of the shut-off valve K2 is connected to the filter F 4-2, the oil outlet of the filter F 4-2 with
The oil inlet of check valve C4-3 is connected to, and the oil outlet of the check valve C4-3 is connected to the Fa of hydraulic power module mouth；
The oil inlet of the check valve C4-4 is connected to the second oil outlet of the shut-off valve K2, the check valve C4-4's
Oil outlet is connected to the Fa of hydraulic power module mouth.
Further, the filter F 4-1 and filter F 4-2 is paper filter core filter or glass fibre filter core
Filter.
Further, the closed type hydraulic system further includes refrigerating module, and the refrigerating module setting is described hydraulic dynamic
Between the T mouth and repairing fuel tank of power module, the hydraulic oil of T mouthfuls of outflows flows into repairing fuel tank after the refrigerating module is cooling,
The S mouth of the hydraulic power module is connect with the repairing fuel tank, and the slippage pump P2.2 is by S mouthfuls out of described repairing fuel tank
Suck cooling oil.
Further, the refrigerating module includes condenser.
Further, the closed type hydraulic system further includes going here and there oily module, and the oily module of the string includes shut-off valve K1, described
One end of shut-off valve K1 is connected to A1 mouthfuls, and the other end of the shut-off valve K1 is connected to B1 mouthfuls.
Further, the first hydraulic control direction valve V3-1 and the second hydraulic control direction valve V3-2 is bi-bit bi-pass
Valve.
Technical solution provided in an embodiment of the present invention has the benefit that
By the way that anti-reverse module is arranged, when hydraulic power module work, anti-reverse module is in pump condition mode: hydraulic
The hydraulic oil of power plant module output enters anti-reverse module by A2 mouthfuls, and hydraulic oil passes through V3-3 and A1 mouthfuls of the first check valve entrance
Motor M, and flowed out from the B1 of motor M mouth, the second hydraulic control direction valve V3-2 is opened under the action of hydraulic oil, at this time motor M
Oil return opening be it is smooth, motor M can work under the driving of high pressure oil.When the pressure oil of hydraulic power module passes through oil inlet
B2 enters anti-reverse module, and pressure oil enters motor M by V3-4 and B2 mouthfuls of second one-way valve, and flows out from the A2 of motor M mouth,
The first hydraulic control direction valve V3-1 is opened under the action of pressure oil, and the oil return opening of motor M is smooth at this time, and motor M can be
It works under the driving of high pressure oil.Under pump condition mode, the power of anti-reverse module loss is very small, it is ensured that hydraulic system
Working efficiency.When hydraulic power module stops working, ocean wave and ocean current push motor M rotation, and motor M temporarily plays pump
Effect, anti-reverse module is in motor M regime mode at this time: when the pressure oil that motor M is generated is from A1 mouthful into counnter attack revolving die
When block, oil liquid can not can not be rotated by the first hydraulic control direction valve V3-1 and the first check valve V3-3, motor M.When motor M is generated
Pressure oil from B1 mouthfuls enter anti-reverse module when, oil liquid can not pass through the second hydraulic control direction valve V3-2 and second one-way valve V3-
4, motor M can not be rotated.Therefore under the constraint of anti-reverse module, motor M can not be rotated, so as to keep full-rotating rudder
Paddle device pivot angle is constant.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of schematic diagram of the closed type hydraulic system of full-rotating rudder paddle provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of schematic diagram of the closed type hydraulic system of full-rotating rudder paddle provided in an embodiment of the present invention, such as Fig. 1 institute
Show, which includes motor M, hydraulic power module 200, anti-reverse module 300.
Hydraulic motor M includes A1 mouthfuls and B1 mouthfuls, and hydraulic power module 200 includes A2 mouthfuls and B2 mouthfuls.
Anti-reverse module 300 includes the first hydraulic control direction valve V3-1, the second hydraulic control direction valve V3-2, the first check valve V3-3
With second one-way valve V3-4.
The oil inlet of first hydraulic control direction valve V3-1 is connected to A1 mouthfuls, the oil outlet of the first hydraulic control direction valve V3-1 with A2 mouthfuls
Connection, the oil inlet of the first check valve V3-3 are connected to A2 mouthfuls, and the oil outlet of the first check valve V3-3 is connected to A1 mouthfuls.
The oil inlet of second hydraulic control direction valve V3-2 is connected to B1 mouthfuls, the oil outlet of the second hydraulic control direction valve V3-2 with B2 mouthfuls
Connection, the oil inlet of second one-way valve V3-4 are connected to B2 mouthfuls, and the oil outlet of second one-way valve V3-4 is connected to B1 mouthfuls.
The embodiment of the present invention is by being arranged anti-reverse module, and when hydraulic power module work, anti-reverse module is in pump
Regime mode: the hydraulic oil of hydraulic power module output enters anti-reverse module by A2 mouthfuls, and hydraulic oil passes through the first check valve
V3-3 and A1 mouthfuls enters motor M, and flows out from the B1 of motor M mouth, and the second hydraulic control direction valve V3-2 is beaten under the action of hydraulic oil
It opens, the oil return opening of motor M is smooth at this time, and motor M can work under the driving of high pressure oil.When the pressure of hydraulic power module
Power oil enters anti-reverse module by oil inlet B2, pressure oil by V3-4 and B2 mouthful of second one-way valve into motor M, and from horse
A2 mouth up to M flows out, and the first hydraulic control direction valve V3-1 is opened under the action of pressure oil, and the oil return opening of motor M is unimpeded at this time
, motor M can work under the driving of high pressure oil.Under pump condition mode, the power of anti-reverse module loss is very small, can
To guarantee the working efficiency of hydraulic system.
When hydraulic power module stops working, ocean wave and ocean current push motor M rotation, and motor M temporarily plays pump
Effect, anti-reverse module is in motor M regime mode at this time: when the pressure oil that motor M is generated enters anti-reverse module from A1 mouthfuls
When, oil liquid can not can not be rotated by the first hydraulic control direction valve V3-1 and the first check valve V3-3, motor M.It is generated as motor M
Pressure oil from B1 mouthfuls enter anti-reverse module when, oil liquid can not by the second hydraulic control direction valve V3-2 and second one-way valve V3-4,
Motor M can not be rotated.Therefore under the constraint of anti-reverse module, motor M can not be rotated, so as to keep full-rotating rudder paddle
Device pivot angle is constant.
In the present embodiment, the first hydraulic control direction valve V3-1 and the second hydraulic control direction valve V3-2 is two position two-way valve.
Further, hydraulic power module 200 includes diesel engine 210 and close circuit variable pump, the belt pulley of diesel engine
Close circuit variable pump is driven, hydraulic oil is exported from A2 mouthfuls or B2 mouthfuls.
Further, close circuit variable pump includes main pump P2.1 and slippage pump P2.2, and slippage pump P2.2 is used for main pump
P2.1 repairing.
Optionally, close circuit variable pump further includes three-position four-way valve V2-1, valve V2-2, overflow valve V2-3, overflow valve V2-
4, check valve V2-5, check valve V2-6, overflow valve V2-7, overflow valve V2-8 and shuttle valve V2-9.This is existing structure, and the present invention exists
This is no longer described in detail.
Further, closed type hydraulic system further includes filtering module 400, and filtering module 400 includes filter F 4-1, unidirectional
Valve C4-1, check valve C4-2 and shut-off valve K2.
The oil inlet of shut-off valve K2 is connected to the Fe of hydraulic power module 200 mouth, the first oil outlet and mistake of shut-off valve K2
The oil inlet of filter F4-1 is connected to, and the oil outlet of filter F 4-1 is connected to the oil inlet of check valve C4-1, check valve C4-1's
Oil outlet is connected to the Fa of hydraulic power module 200 mouth.
The oil inlet of check valve C4-2 is connected to the first oil outlet of shut-off valve K2, the oil outlet of check valve C4-2 with it is hydraulic
The Fa mouth of power plant module 200 is connected to.
The various impurity in hydraulic system can be filtered by the way that filtering module 400 is arranged.
Further, filtering module 400 further includes filter F 4-2, check valve C4-3 and check valve C4-4.
The second oil outlet of shut-off valve K2 is connected to filter F 4-2, and the oil outlet of filter F 4-2 is with check valve C4-3's
Oil inlet connection, the oil outlet of check valve C4-3 are connected to the Fa of hydraulic power module 200 mouth.
The oil inlet of check valve C4-4 is connected to the second oil outlet of shut-off valve K2, the oil outlet of check valve C4-4 with it is hydraulic
The Fa mouth of power plant module 200 is connected to.
By the way that filtering module 400 is arranged to include that the structures of two filters can when one of filter damage is
By switching shut-off valve K2, the hydraulic oil in hydraulic system to be switched in another filter, thus convenient to hydraulic pressure system
System carries out maintenance.
Optionally, filter F 4-1 and filter F 4-2 is paper filter core filter or glass fibre candle filter.
Further, closed type hydraulic system further includes refrigerating module 500, and refrigerating module 500 is arranged in hydraulic power module
For unloading port T mouthfuls of 200 between repairing fuel tank, the hydraulic oil of T mouthfuls of outflows flows into repairing fuel tank after refrigerating module 500 is cooling
Interior, the S mouth of hydraulic power module 200 is connect with repairing fuel tank, and slippage pump P2.2 is sucked out of repairing fuel tank 200 cold by S mouthfuls
Oily., can be cooling by the hydraulic oil in hydraulic system by the way that refrigerating module 500 is arranged, prevent the hydraulic oil in hydraulic system
Temperature is excessively high, and then may insure the normal work of hydraulic system.
Further, refrigerating module 500 includes condenser 510.
Optionally, refrigerating module 500 further includes check valve V5, and check valve V5 is connected in parallel on 510 two sides of condenser, and check valve
Unloading port T mouthfuls of the oil inlet of V5 and hydraulic power module 200 is connected to.
Further, closed type hydraulic system further includes going here and there oily module 100, and oily module 100 of going here and there includes shut-off valve K1, shut-off valve
One end of K1 is connected to A1 mouthfuls, and the other end of shut-off valve K1 is connected to B1 mouthfuls.When opening shut-off valve K1, hydraulic power module
200 A2 mouth is connected to B2 mouthfuls, be can be convenient and is cleaned to the pipeline of hydraulic system, is met the cleannes of hydraulic system and is wanted
It asks, meanwhile, as shut-off valve K1, motor M can also be made to be in freewheel operating condition, rotate motor M under external force.
As shown in Figure 1, the oily setting of module 100 is gone here and there before anti-reverse module 300, due to unidirectional in anti-reverse module 300
There are certain spring forces in valve can prevent the oil liquid in hydraulic system management from leaking when overhauling motor M.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of closed type hydraulic system of full-rotating rudder paddle, which is characterized in that the closed type hydraulic system includes motor M, hydraulic
Power plant module (200), anti-reverse module (300)；
The motor M includes A1 mouthfuls and B1 mouthfuls；The hydraulic power module (200) includes A2 mouthfuls and B2 mouthfuls；
The anti-reverse module (300) includes the first hydraulic control direction valve V3-1, the second hydraulic control direction valve V3-2, the first check valve
V3-3 and second one-way valve V3-4,
The oil inlet of the first hydraulic control direction valve V3-1 is connected to A1 mouthfuls, the oil outlet of the first hydraulic control direction valve V3-1 with
A2 mouthfuls of connections, the oil inlet of the first check valve V3-3 are connected to A2 mouthfuls, the oil outlet and A1 of the first check valve V3-3
Mouth connection；
The oil inlet of the second hydraulic control direction valve V3-2 is connected to B1 mouthfuls, the oil outlet of the second hydraulic control direction valve V3-2 with
B2 mouthfuls of connections, the oil inlet of the second one-way valve V3-4 are connected to B2 mouthfuls, the oil outlet and B1 of the second one-way valve V3-4
Mouth connection.
2. closed type hydraulic system according to claim 1, which is characterized in that the hydraulic power module (200) includes bavin
Oil machine and close circuit variable pump, close circuit variable pump described in the belt wheel drive of the diesel engine, by hydraulic oil from A2 mouthfuls
Or B2 mouthfuls of outputs.
3. closed type hydraulic system according to claim 2, which is characterized in that the close circuit variable pump includes main pump
P2.1 and slippage pump P2.2, the slippage pump P2.2 are used for the main pump P2.1 repairing.
4. closed type hydraulic system according to claim 3, which is characterized in that the closed type hydraulic system further includes filter module
Block (400), the filtering module (400) include filter F 4-1, check valve C4-1, check valve C4-2 and shut-off valve K2；
The oil inlet of the shut-off valve K2 is connected to the Fe mouth of the hydraulic power module (200), and the first of the shut-off valve K2
Oil outlet is connected to the oil inlet of the filter F 4-1, the oil outlet of the filter F 4-1 and the oil inlet of check valve C4-1
Connection, the oil outlet of the check valve C4-1 are connected to the Fa mouth of the hydraulic power module (200)；
The oil inlet of the check valve C4-2 is connected to the first oil outlet of the shut-off valve K2, and the check valve C4-2's is fuel-displaced
Mouth is connected to the Fa mouth of the hydraulic power module (200).
5. closed type hydraulic system according to claim 4, which is characterized in that the filtering module (400) further includes filtering
Device F4-2, check valve C4-3 and check valve C4-4；
The second oil outlet of the shut-off valve K2 is connected to the filter F 4-2, the oil outlet of the filter F 4-2 and unidirectional
The oil inlet of valve C4-3 is connected to, and the oil outlet of the check valve C4-3 is connected to the Fa mouth of the hydraulic power module (200)；
The oil inlet of the check valve C4-4 is connected to the second oil outlet of the shut-off valve K2, and the check valve C4-4's is fuel-displaced
Mouth is connected to the Fa mouth of the hydraulic power module (200).
6. closed type hydraulic system according to claim 4, which is characterized in that the filter F 4-1 and the filter
F4-2 is paper filter core filter or glass fibre candle filter.
7. closed type hydraulic system according to claim 3, which is characterized in that the closed type hydraulic system further includes cooling mould
Block (500), the refrigerating module (500) are arranged between the T mouth and repairing fuel tank of the hydraulic power module (200), T mouthfuls of streams
Hydraulic oil out flows into repairing fuel tank after the refrigerating module (500) are cooling, the S mouth of the hydraulic power module (200)
It is connect with the repairing fuel tank, the slippage pump P2.2 sucks cooling oil out of described repairing fuel tank by S mouthfuls.
8. closed type hydraulic system according to claim 7, which is characterized in that the refrigerating module (500) includes condenser.
9. closed type hydraulic system according to claim 1, which is characterized in that the closed type hydraulic system further includes going here and there oily mould
Block (100), the oily module (100) of the string includes shut-off valve K1, and one end of the shut-off valve K1 is connected to A1 mouthfuls, the shut-off valve
The other end of K1 is connected to B1 mouthfuls.
10. closed type hydraulic system according to claim 1, which is characterized in that the first hydraulic control direction valve V3-1 and institute
Stating the second hydraulic control direction valve V3-2 is two position two-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472877.3A CN110329483B (en) | 2019-05-31 | 2019-05-31 | Closed hydraulic system of full-rotating rudder propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472877.3A CN110329483B (en) | 2019-05-31 | 2019-05-31 | Closed hydraulic system of full-rotating rudder propeller |
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| Publication Number | Publication Date |
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| CN110329483A true CN110329483A (en) | 2019-10-15 |
| CN110329483B CN110329483B (en) | 2020-10-09 |
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ID=68140564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156411A (en) * | 2015-10-21 | 2015-12-16 | 中船重工重庆智能装备工程设计有限公司 | Novel hydraulic servo system of full-rotating rudder propeller |
| CN205101322U (en) * | 2015-10-21 | 2016-03-23 | 中船重工重庆智能装备工程设计有限公司 | Novel rudder oar hydraulic pressure servo turns around entirely |
| CN106005342A (en) * | 2016-06-29 | 2016-10-12 | 四川是钢实业有限公司 | Full-pod hydraulic pusher sightseeing boat |
| CN205906937U (en) * | 2016-07-19 | 2017-01-25 | 成都源云机械有限公司 | Single track loop wheel machine car hydraulic drive system |
| CN107628217A (en) * | 2016-07-19 | 2018-01-26 | 成都源云机械有限公司 | Gondola turns round fluid power system |
| JP2018100029A (en) * | 2016-12-21 | 2018-06-28 | 株式会社 神崎高級工機製作所 | Deceleration reversal device |
| CN109114048A (en) * | 2017-06-26 | 2019-01-01 | 刘素华 | Hydraulic induction conversion automatically controls advance and retreat method and automatic entrance-exit control system is converted in hydraulic induction |
| CN109236770A (en) * | 2018-09-28 | 2019-01-18 | 四川耐特阀门有限公司 | A kind of gondola revolution fluid power system |
| CN109812456A (en) * | 2017-11-20 | 2019-05-28 | 成都多明科技有限公司 | Gondola turns round fluid power system |
-
2019
- 2019-05-31 CN CN201910472877.3A patent/CN110329483B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156411A (en) * | 2015-10-21 | 2015-12-16 | 中船重工重庆智能装备工程设计有限公司 | Novel hydraulic servo system of full-rotating rudder propeller |
| CN205101322U (en) * | 2015-10-21 | 2016-03-23 | 中船重工重庆智能装备工程设计有限公司 | Novel rudder oar hydraulic pressure servo turns around entirely |
| CN106005342A (en) * | 2016-06-29 | 2016-10-12 | 四川是钢实业有限公司 | Full-pod hydraulic pusher sightseeing boat |
| CN205906937U (en) * | 2016-07-19 | 2017-01-25 | 成都源云机械有限公司 | Single track loop wheel machine car hydraulic drive system |
| CN107628217A (en) * | 2016-07-19 | 2018-01-26 | 成都源云机械有限公司 | Gondola turns round fluid power system |
| JP2018100029A (en) * | 2016-12-21 | 2018-06-28 | 株式会社 神崎高級工機製作所 | Deceleration reversal device |
| CN109114048A (en) * | 2017-06-26 | 2019-01-01 | 刘素华 | Hydraulic induction conversion automatically controls advance and retreat method and automatic entrance-exit control system is converted in hydraulic induction |
| CN109812456A (en) * | 2017-11-20 | 2019-05-28 | 成都多明科技有限公司 | Gondola turns round fluid power system |
| CN109236770A (en) * | 2018-09-28 | 2019-01-18 | 四川耐特阀门有限公司 | A kind of gondola revolution fluid power system |
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| Publication number | Publication date |
|---|---|
| CN110329483B (en) | 2020-10-09 |
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