CN116044843B - Floating type hydraulic control system for boarding bridge - Google Patents
Floating type hydraulic control system for boarding bridge Download PDFInfo
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- CN116044843B CN116044843B CN202310049718.9A CN202310049718A CN116044843B CN 116044843 B CN116044843 B CN 116044843B CN 202310049718 A CN202310049718 A CN 202310049718A CN 116044843 B CN116044843 B CN 116044843B
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- 239000003921 oil Substances 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a floating hydraulic control system of a boarding bridge, which is respectively connected with a hydraulic executing mechanism and an oil tank through a hydraulic loop and comprises a primary floating state and a secondary floating state; when the boarding bridge floating type hydraulic control system is in a primary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop; when the boarding bridge floating type hydraulic control system is in a secondary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop and a second loop. By adopting the technical scheme, large-scale large-displacement compensation and real-time response can be well realized under different sea conditions.
Description
Technical Field
The invention relates to the technical field of offshore wind power operation and maintenance, in particular to a floating hydraulic control system of a boarding bridge.
Background
With the large-scale development of offshore wind power in China, the operation and maintenance work of an offshore wind power plant is increasingly heavy. Due to the fact that the offshore environment is complex, the risk of offshore wind power operation and maintenance operation is high under the influence of factors such as waves and wind at high sea conditions, the operation window period is shortened, the availability of an offshore wind power plant is reduced, and the offshore wind power operation and maintenance access becomes an important factor for restricting quality improvement and efficiency improvement of the offshore wind power plant. At present, a small-sized operation and maintenance ship is used for operation and maintenance of the offshore wind turbine in China, the operation and maintenance ship leans against a wind turbine foundation, the ship leans against a leaning column by self power, and operation and maintenance staff climbs the wind turbine foundation from the bow to a platform in a leaning gap period. The working mode extremely depends on sea conditions, once the sea conditions of great wind waves are met, the operation and maintenance ship cannot be stably berthed, so that operation and maintenance personnel cannot timely log on the fan to carry out maintenance and maintenance work, and the utilization rate of the fan is reduced. In addition, the stormy waves lead to the ship body to roll, pitch, heave and other movements, when personnel climb onto the fan tower from the ship, when the operation and maintenance ship can not stably lean against the fan foundation, the ship body and the leaning ship post generate larger relative movements, and the operation and maintenance personnel directly climb the fan ladder from the ship head to face serious safety risks. The prior art discloses some corridor bridge devices, transfer system, carries on and uses on the fortune dimension ship for supply personnel to pass, but the hydraulic control system of corridor bridge device of prior art can't solve real-time response, big displacement compensation's problem to lead to hydraulic system response speed slow, the short problem of equipment life makes the attendance rate of corridor bridge lower.
Disclosure of Invention
In order to solve the problems, the floating hydraulic control system for the boarding bridge can well realize large-scale displacement compensation and real-time response, is convenient and simple to operate, greatly improves the efficiency of transferring offshore personnel and materials, and becomes a safe life channel for offshore transfer, thereby improving the attendance rate for offshore engineering and reducing direct economic loss.
The technical scheme adopted by the invention is as follows: the floating hydraulic control system of the boarding bridge is respectively connected with a hydraulic executing mechanism and an oil tank through a hydraulic loop and comprises a primary floating state and a secondary floating state;
when the boarding bridge floating type hydraulic control system is in a primary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop;
when the boarding bridge floating type hydraulic control system is in a secondary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop and a second loop.
Further, the method comprises the steps of,
the floating hydraulic control system of the boarding bridge comprises a secondary floating valve, and the secondary floating valve controls the floating hydraulic control system of the boarding bridge to be in a primary floating state or a secondary floating state.
Further, the method comprises the steps of,
the first loop comprises a floating balance valve, when the boarding bridge floating hydraulic control system is in a primary floating state, the secondary floating valve opens a corresponding floating balance valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic actuating mechanism corresponding to the secondary floating valve is communicated with an oil tank through the floating balance valve.
Further, the method comprises the steps of,
the second loop comprises a controllable oil supplementing valve, when the boarding bridge floating type hydraulic control system is in a second-level floating state, the second-level floating valve opens a corresponding floating balance valve and the controllable oil supplementing valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic executing mechanism corresponding to the second-level floating valve is communicated with an oil tank through the floating balance valve and the controllable oil supplementing valve.
Further, the method comprises the steps of,
the boarding bridge floating type hydraulic control system also comprises a proportional multi-way valve;
the proportional multi-way valve is connected with a plurality of floating balance valves through a hydraulic loop;
the floating balance valves are connected with the two-stage floating valves in a one-to-one correspondence manner through the hydraulic circuit;
the two-stage floating valves are connected with the hydraulic actuating mechanisms in a one-to-one correspondence manner through the hydraulic circuits;
the two-stage floating valves are connected with the controllable oil supplementing valves in a one-to-one correspondence manner through the hydraulic circuit.
Further, the method comprises the steps of,
the floating hydraulic control system of the boarding bridge further comprises a clamping balance valve, and the proportional multi-way valve is connected with the clamping balance valve through a hydraulic loop.
Further, the method comprises the steps of,
the secondary floating valve comprises a primary floating control electromagnetic valve and a secondary floating control electromagnetic valve;
the primary floating control electromagnetic valve is used for opening a corresponding floating balance valve;
the secondary floating control solenoid valve is used for opening the corresponding controllable oil supplementing valve.
Further, the method comprises the steps of,
the flow of the controllable oil supplementing valve is larger than that of the floating balance valve.
Further, the method comprises the steps of,
the hydraulic actuating mechanism comprises a pitching, telescoping and gyrating action hydraulic actuating mechanism arranged on the boarding bridge.
Further, the method comprises the steps of,
the floating balance valve includes:
the hydraulic control system comprises a first one-way balance valve, a second one-way balance valve, a first hydraulic shuttle valve, a second hydraulic shuttle valve, a first pressure source interface, a second pressure source interface, a first load interface, a second load interface and a control oil interface;
the first pressure source interface is connected with a forward interface of the first one-way balance valve; the reverse interface of the first one-way balance valve is connected with the first load interface; the second pressure source interface is connected with the forward interface of the second one-way balance valve; the reverse interface of the second one-way balance valve is connected with the second load interface;
a first oil inlet of the first hydraulic shuttle valve is connected with the first pressure source interface, a second oil inlet of the first hydraulic shuttle valve is connected with the control oil interface, and an oil outlet of the first hydraulic shuttle valve is connected with a pilot control port of the second unidirectional balance valve; the first oil inlet of the second hydraulic shuttle valve is connected with the second pressure source interface, the second oil inlet of the second hydraulic shuttle valve is connected with the control oil interface, and the oil outlet of the second hydraulic shuttle valve is connected with the pilot control port of the first one-way balance valve.
The beneficial effects of the invention are as follows:
according to the floating hydraulic control system for the boarding bridge, the primary floating state and the secondary floating state are arranged, the primary floating state is suitable for the commuting requirement of low sea conditions, the hydraulic oil in the executive component in the secondary floating state has larger flow quantity, the floating hydraulic control system can be suitable for more complex sea conditions, large-scale displacement compensation and real-time response can be well realized under different sea conditions, boarding efficiency under high sea conditions is effectively improved, window time of transfer operation is increased, and operation and maintenance access rate is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a floating hydraulic control system for a boarding bridge of the present invention;
FIG. 2 is a block diagram of a two-stage float valve of the present invention;
fig. 3 is a structural view of the floating balance valve of the present invention.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
First, the term "and/or" appearing herein is merely an association relationship describing associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The following describes in detail the main implementation principles of the technical solution of the embodiments of the present application, the specific implementation manner and the corresponding beneficial effects.
Example 1
The invention relates to an offshore boarding corridor bridge aimed at by a floating hydraulic control system, wherein a hydraulic actuating mechanism comprises a slewing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism, a hydraulic mechanism and an operating structure; one end of the pitching mechanism is movably connected to the rotary structure; the telescopic mechanism is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder, a secondary telescopic ladder and a tertiary telescopic ladder which are connected through telescopic cylinders; the clamping mechanism is arranged at the tail end of the telescopic mechanism; the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively. By adopting the offshore boarding bridge, the actions of the slewing mechanism, the pitching mechanism, the telescopic structure, the clamping mechanism, the hydraulic mechanism and the operating structure are realized, the forward motion, the rolling motion, the pitching motion and the heave motion of the operation and maintenance ship can be passively compensated under various complex sea conditions, the boarding efficiency is effectively improved, the window time of transfer operation is increased, and the operation and maintenance accessibility is improved on the premise of ensuring the safe transfer of offshore wind power maintenance personnel and materials.
The passive boarding bridge is usually placed at the stern of the working vessel, fastened to the deck or to a specific foundation by bolts. The boarding bridge generally comprises a mechanical structure part, a hydraulic control part and an electric control part, wherein the clamping oil cylinder of the clamping device is controlled by the handle of the operating platform to be tightly held against a ship column, the clamping oil cylinder is locked after the tightly held position is adjusted, and the system enters a passive compensation mode through electric control, namely the passive corridor bridge freely follows compensation parameters such as displacement, speed, force and the like of the ship motion to move, so that the top end of the compensated corridor bridge is in a static state relative to an earth coordinate system or the motion amplitude is greatly reduced under the excitation of the ship.
Referring to fig. 1, in order to cooperate with the above-mentioned actions of the boarding bridge at sea to realize passive compensation under different sea conditions, the embodiment of the present application provides a floating hydraulic control system for the boarding bridge, where the floating hydraulic control system for the boarding bridge is connected with a hydraulic actuator and an oil tank respectively through a hydraulic circuit, and the floating hydraulic control system for the boarding bridge includes a primary floating state and a secondary floating state; when the boarding bridge floating type hydraulic control system is in a primary floating state under a low sea condition, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop; when the boarding bridge floating type hydraulic control system is in a secondary floating state under high sea conditions, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop and a second loop.
The first-level floating state and the second-level floating state in this embodiment correspond to the situations of the low sea condition and the high sea condition, respectively, and the high sea condition is relatively speaking, the amplitude and the frequency of the wind wave are both larger than those of the low sea condition, and the values of the low sea condition and the high sea condition are specifically defined, and the invention is not defined.
As a preferred embodiment, the floating hydraulic control system for a bridge of a boarding bridge of the present embodiment includes a secondary floating valve that controls the floating hydraulic control system for a bridge of a boarding bridge to be in a primary floating state or a secondary floating state. The first loop comprises a floating balance valve, when the boarding bridge floating hydraulic control system is in a primary floating state, the secondary floating valve opens a corresponding floating balance valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic actuating mechanism corresponding to the secondary floating valve is communicated with an oil tank through the floating balance valve. The second loop comprises a controllable oil supplementing valve, when the boarding bridge floating type hydraulic control system is in a second-level floating state, the second-level floating valve opens a corresponding floating balance valve and the controllable oil supplementing valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic executing mechanism corresponding to the second-level floating valve is communicated with an oil tank through the floating balance valve and the controllable oil supplementing valve.
Referring to fig. 2, the secondary float valve includes a primary float control solenoid valve and a secondary float control solenoid valve; the primary floating control electromagnetic valve is used for opening a corresponding floating balance valve and is specifically executed through P1; the secondary floating control solenoid valve is used for opening a corresponding controllable oil supplementing valve, and is specifically executed through P2.
Referring to fig. 1, since the boarding bridge is provided with a plurality of hydraulic actuating mechanisms including a swing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism and the like, the floating hydraulic control system of the boarding bridge further comprises a proportional multi-way valve so as to realize the respective control of the plurality of hydraulic actuating mechanisms. Specifically, the proportional multi-way valve is connected with a plurality of floating balance valves through a hydraulic circuit; the floating balance valves are connected with the two-stage floating valves in a one-to-one correspondence manner through the hydraulic circuit; the two-stage floating valves are connected with the hydraulic actuating mechanisms in a one-to-one correspondence manner through the hydraulic circuits; the two-stage floating valves are connected with the controllable oil supplementing valves in a one-to-one correspondence manner through the hydraulic circuit. The floating hydraulic control system of the boarding bridge further comprises a clamping balance valve, the proportional multi-way valve is connected with the clamping balance valve through a hydraulic circuit, the clamping balance valve is not controlled by a second-stage floating valve, and the clamping state is still kept when the boarding bridge is in a floating state so as to realize the clasping with a leaning ship column and ensure the stable connection of the boarding bridge.
Preferably, the flow rate of the controllable oil supplementing valve is greater than that of the floating balance valve, so that when the hydraulic control system is in a secondary floating state, the hydraulic oil in the hydraulic actuating mechanism has larger flow rate and higher speed, and is suitable for sea conditions with larger waves and shorter period.
The hydraulic actuating mechanism of the embodiment comprises a pitching, telescoping and slewing action hydraulic actuating mechanism arranged on the boarding bridge, in particular a pitching, telescoping and slewing oil cylinder, wherein the oil cylinder comprises a high-pressure cavity and a low-pressure cavity. The pitching, telescoping, swiveling and clamping actions are controlled through the operation of the electric handle of the operation table, so that the equipment is ready to enter a working mode, and after the ship is held close to the ship column, the auxiliary mode is completed. When the auxiliary mode is completed, the clamping device is already held against the ship column, the handle operation is stopped, the floating switching button is switched, the primary floating control electromagnetic valve is opened, namely all floating balance valves (namely, the hydraulic actuating mechanisms 1, 2 and 3, pitching, telescoping and swinging) corresponding to the clamping cylinders are opened, the passive gallery bridge enters a ship following state (at the moment, the clamping cylinders, namely, the hydraulic actuating mechanism 4, are always held against the ship column), and the state is suitable for compensating motion of general sea waves under low sea conditions, namely, primary floating; when special sea waves are encountered, the secondary floating electromagnetic valve is immediately opened, so that all floating balance valves and controllable oil supplementing valves corresponding to the clamping cylinders are opened, the floating balance valves and the controllable oil supplementing valves work together in the state at the moment, the hydraulic oil in the hydraulic actuating mechanism is larger in flow rate and higher in speed, and the hydraulic actuating mechanisms 1, 2 and 3 are enabled to follow the ship motion faster, so that the compensation motion of high wind and high waves is met, namely secondary floating.
The floating balance valve is additionally installed at the working port of the hydraulic actuator to play a role in buffering and balancing load, and referring to fig. 3, the structure of the floating balance valve in the above embodiment specifically includes: a first one-way balancing valve 1, a second one-way balancing valve 2, a first hydraulic shuttle valve 3, a second hydraulic shuttle valve 4, a first pressure source interface 5, a second pressure source interface 6, a first load interface 9, a second load interface 10 and a control oil interface 13. The first pressure source interface 5 is connected with the forward interface of the first one-way balance valve 1; the reverse interface of the first one-way balance valve 1 is connected with the first load interface 9; the second pressure source interface 6 is connected with the forward interface of the second one-way balance valve 2; the reverse interface of the second one-way balance valve 2 is connected with the second load interface 10; a first oil inlet of the first hydraulic shuttle valve 3 is connected with the first pressure source interface 5, a second oil inlet of the first hydraulic shuttle valve 3 is connected with the control oil interface 13, and an oil outlet of the first hydraulic shuttle valve 3 is connected with a pilot control port 12 of the second unidirectional balance valve 2; the first oil inlet of the second hydraulic shuttle valve 4 is connected with the second pressure source interface 6, the second oil inlet of the second hydraulic shuttle valve 4 is connected with the control oil interface 13, and the oil outlet of the second hydraulic shuttle valve 4 is connected with the pilot control port 11 of the first unidirectional balance valve 1. In practical use, a one-way lock valve is further installed on the control oil port 13 to improve the closing characteristic thereof, and simultaneously avoid the influence of hydraulic oil on the control oil path.
It should be pointed out that the control and implementation of the technical scheme of the patent belong to the scope of the prior art.
According to the floating hydraulic control system for the boarding bridge disclosed by the embodiment of the invention, the primary floating state and the secondary floating state are arranged, the primary floating state is suitable for the commuting requirement of low sea conditions, the flow of hydraulic oil in the executive component in the secondary floating state is larger, the floating hydraulic control system can be suitable for more complex sea conditions, large-scale displacement compensation and real-time response can be well realized, the boarding efficiency under high sea conditions is effectively improved, the window time of transfer operation is increased, and the operation and maintenance access rate is improved. During operation, one end of the corridor bridge is fixed on the deck of the ship, the other end of the corridor bridge is connected to the leaning ship column, a safety channel for personnel to pass is built, and the corridor bridge selects different working modes according to sea conditions to dynamically compensate the motions of rolling, pitching, heaving and the like of the ship body. When the passing of personnel is finished, the corridor bridge is loosened to be connected with the leaning ship post, and the corridor bridge is retracted to the berthing position on the ship, so that the operation is convenient and simple, on the premise of ensuring the safe transfer of offshore wind power maintenance and repair personnel and materials, the boarding efficiency is effectively improved, the window time of transfer operation is increased, the operation and maintenance access rate is improved, and the corridor bridge has important value for the development and operation of offshore wind power in China.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a boarding bridge floating type hydraulic control system, the boarding bridge floating type hydraulic control system is connected with hydraulic actuating mechanism and oil tank respectively through hydraulic circuit, its characterized in that, boarding bridge floating type hydraulic control system includes one-level floating state and second-level floating state;
when the boarding bridge floating type hydraulic control system is in a primary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop;
when the boarding bridge floating type hydraulic control system is in a secondary floating state, hydraulic oil in a high-pressure cavity and a low-pressure cavity of the hydraulic actuating mechanism is communicated with the oil tank through a first loop and a second loop at the same time;
the boarding bridge floating type hydraulic control system comprises a secondary floating valve, and the secondary floating valve controls the boarding bridge floating type hydraulic control system to be in a primary floating state or a secondary floating state;
the first loop comprises a floating balance valve, when the boarding bridge floating hydraulic control system is in a primary floating state, the secondary floating valve opens a corresponding floating balance valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic actuating mechanism corresponding to the secondary floating valve is communicated with an oil tank through the floating balance valve;
the second loop comprises a controllable oil supplementing valve, when the boarding bridge floating type hydraulic control system is in a second-level floating state, the second-level floating valve opens a corresponding floating balance valve and the controllable oil supplementing valve, and hydraulic oil in a high-pressure cavity and a low-pressure cavity of a hydraulic executing mechanism corresponding to the second-level floating valve is communicated with an oil tank through the floating balance valve and the controllable oil supplementing valve.
2. A boarding bridge floating hydraulic control system according to claim 1 wherein:
the boarding bridge floating type hydraulic control system also comprises a proportional multi-way valve;
the proportional multi-way valve is connected with a plurality of floating balance valves through a hydraulic loop;
the floating balance valves are connected with the two-stage floating valves in a one-to-one correspondence manner through the hydraulic circuit;
the two-stage floating valves are connected with the hydraulic actuating mechanisms in a one-to-one correspondence manner through the hydraulic circuits;
the two-stage floating valves are connected with the controllable oil supplementing valves in a one-to-one correspondence manner through the hydraulic circuit.
3. A boarding bridge floating hydraulic control system according to claim 2 wherein:
the floating hydraulic control system of the boarding bridge further comprises a clamping balance valve, and the proportional multi-way valve is connected with the clamping balance valve through a hydraulic loop.
4. A boarding bridge floating hydraulic control system according to claim 1 wherein:
the secondary floating valve comprises a primary floating control electromagnetic valve and a secondary floating control electromagnetic valve;
the primary floating control electromagnetic valve is used for opening a corresponding floating balance valve;
the secondary floating control solenoid valve is used for opening the corresponding controllable oil supplementing valve.
5. A boarding bridge floating hydraulic control system according to claim 1 wherein:
the flow of the controllable oil supplementing valve is larger than that of the floating balance valve.
6. A boarding bridge floating hydraulic control system according to claim 1 wherein:
the hydraulic actuating mechanism comprises a pitching, telescoping and gyrating action hydraulic actuating mechanism arranged on the boarding bridge.
7. The boarding bridge floating hydraulic control system of claim 1, wherein the floating balance valve comprises:
the hydraulic control system comprises a first one-way balance valve, a second one-way balance valve, a first hydraulic shuttle valve, a second hydraulic shuttle valve, a first pressure source interface, a second pressure source interface, a first load interface, a second load interface and a control oil interface;
the first pressure source interface is connected with a forward interface of the first one-way balance valve; the reverse interface of the first one-way balance valve is connected with the first load interface; the second pressure source interface is connected with the forward interface of the second one-way balance valve; the reverse interface of the second one-way balance valve is connected with the second load interface;
a first oil inlet of the first hydraulic shuttle valve is connected with the first pressure source interface, a second oil inlet of the first hydraulic shuttle valve is connected with the control oil interface, and an oil outlet of the first hydraulic shuttle valve is connected with a pilot control port of the second unidirectional balance valve; the first oil inlet of the second hydraulic shuttle valve is connected with the second pressure source interface, the second oil inlet of the second hydraulic shuttle valve is connected with the control oil interface, and the oil outlet of the second hydraulic shuttle valve is connected with the pilot control port of the first one-way balance valve.
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| CN202310049718.9A CN116044843B (en) | 2023-02-01 | 2023-02-01 | Floating type hydraulic control system for boarding bridge |
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| CN202310049718.9A CN116044843B (en) | 2023-02-01 | 2023-02-01 | Floating type hydraulic control system for boarding bridge |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
| EP3059199A1 (en) * | 2015-02-20 | 2016-08-24 | Baggermaatschappij Boskalis B.V. | Vessel with heave compensation system |
| CN108412822A (en) * | 2017-11-30 | 2018-08-17 | 中船华南船舶机械有限公司 | A kind of position compensation extension type is gone on board trestle Hydraulic slewing system and working method |
| CN109737110A (en) * | 2018-11-05 | 2019-05-10 | 中船华南船舶机械有限公司 | A kind of small-sized fore-and-aft gangway based on hydraulic system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3301062B1 (en) * | 2016-10-03 | 2021-11-03 | National Oilwell Varco Norway AS | System arranged on a marine vessel or platform, such as for providing heave compensation and hoisting |
| CN109372819A (en) * | 2018-12-26 | 2019-02-22 | 北京三智造科技有限公司 | Rotary drilling rig hydraulic system and rotary drilling rig |
-
2023
- 2023-02-01 CN CN202310049718.9A patent/CN116044843B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
| EP3059199A1 (en) * | 2015-02-20 | 2016-08-24 | Baggermaatschappij Boskalis B.V. | Vessel with heave compensation system |
| CN108412822A (en) * | 2017-11-30 | 2018-08-17 | 中船华南船舶机械有限公司 | A kind of position compensation extension type is gone on board trestle Hydraulic slewing system and working method |
| CN109737110A (en) * | 2018-11-05 | 2019-05-10 | 中船华南船舶机械有限公司 | A kind of small-sized fore-and-aft gangway based on hydraulic system |
Non-Patent Citations (1)
| Title |
|---|
| 一种用于登乘栈桥的主动波浪补偿方法;苏长青;郑文彬;曾悠兵;丁德甫;;船舶与海洋工程(第04期);全文 * |
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