CN112572714A - Semi-active compensation clamp holder for operation and maintenance ship - Google Patents
Semi-active compensation clamp holder for operation and maintenance ship Download PDFInfo
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- CN112572714A CN112572714A CN202011601677.2A CN202011601677A CN112572714A CN 112572714 A CN112572714 A CN 112572714A CN 202011601677 A CN202011601677 A CN 202011601677A CN 112572714 A CN112572714 A CN 112572714A
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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
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/10—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a semi-active compensation clamp holder for an operation and maintenance ship, which comprises a clamping roller assembly, a clamping driving assembly, an installation base, a variable amplitude compensation driving assembly and a connection base, wherein the clamping roller assembly is arranged on the installation base; the clamping driving assembly and the clamping roller assembly are connected with the mounting base; the clamping driving assembly is connected with the clamping roller assembly, and drives the clamping roller assembly to be connected with an anti-collision column of the fan; one end of the variable amplitude compensation driving assembly is connected with the mounting base, and the other end of the variable amplitude compensation driving assembly is connected with the connecting base; the connecting base is connected with the operation and maintenance ship; the variable amplitude compensation driving assembly is used for compensating the motion of the operation and maintenance ship in multiple degrees of freedom; the application aims at providing a semi-active compensation clamp which can be stably connected and is used for an operation and maintenance ship.
Description
Technical Field
The invention relates to the technical field of offshore wind power, in particular to a semi-active compensation clamp holder for an operation and maintenance ship.
Background
Offshore wind power construction in China is started, and an offshore wind power system is initially established. The wind motor is used as a core component of the offshore wind power system, and plays a vital role in the normal operation of the offshore wind power system. In order to guarantee the normal production operation of an offshore wind power system, when a wind turbine fails, a fan needs to be maintained in time.
At present, after an operation and maintenance person is transported to a position near a fan foundation by an operation and maintenance ship, the operation and maintenance person directly approaches the fan foundation by means of the operation and maintenance ship to find a climbing ladder on the opportunity climbing fan foundation to climb the fan foundation.
Disclosure of Invention
The invention aims to provide a semi-active compensation clamp which can be stably connected and is used for an operation and maintenance ship.
In order to achieve the purpose, the invention adopts the following technical scheme: a semi-active compensation clamper for an operation and maintenance ship comprises a clamping roller assembly, a clamping driving assembly, an installation base, a variable amplitude compensation driving assembly and a connecting base; the clamping driving assembly and the clamping roller assembly are connected with the mounting base; the clamping driving assembly is connected with the clamping roller assembly, and drives the clamping roller assembly to be connected with an anti-collision column of the fan; one end of the variable amplitude compensation driving assembly is connected with the mounting base, and the other end of the variable amplitude compensation driving assembly is connected with the connecting base; the connecting base is connected with the operation and maintenance ship; the variable amplitude compensation driving assembly is used for compensating the motion of the operation and maintenance ship in multiple degrees of freedom.
Preferably, the amplitude-variable compensation driving assembly comprises a plurality of hooke joints and a plurality of compensation oil cylinders, the hooke joints are arranged in plurality, one end of each compensation oil cylinder is connected with the mounting base through the corresponding hooke joint, and the other end of each compensation oil cylinder is connected with the connecting base through the corresponding hooke joint.
Preferably, the hooke joints are provided with at least four first hooke joints and at least four second hooke joints, and the number of the compensation oil cylinders is at least four; the four first hook joints are arranged on the side wall of the mounting base; the four second hook joints are arranged on the side wall of the connecting base; and the four compensation oil cylinders are connected between the corresponding first hook joint and the corresponding second hook joint.
Preferably, a distance between two first hooke joints in the vertical direction is greater than a distance between two second hooke joints in the vertical direction.
Preferably, the clamping roller assembly comprises two clamping units, and the two clamping units are symmetrically arranged on the side wall of the mounting base; the clamping unit comprises a connecting lug plate, a forward abutting roller set and a reverse abutting roller set; the two connecting lug plates are arranged on the side wall of the mounting base at intervals in the vertical direction, the forward jacking roller set is arranged between the two connecting lug plates, the forward jacking roller set is hinged with the reverse jacking roller set, and the clamping driving assembly is connected between the reverse jacking roller set and the connecting lug plates; the clamping driving assembly drives the forward jacking roller group and the reverse jacking roller group to clamp the anti-collision column of the fan.
Preferably, the forward abutting roller set comprises a forward mounting seat, a forward connecting seat, a forward hinging lug and a forward roller; the two forward connecting seats are arranged on the side wall of the forward mounting seat, the two forward connecting seats are respectively hinged with the corresponding connecting lug plates, the number of the forward rollers is multiple, the forward rollers are arranged at intervals along the length direction of the forward mounting seat, and the forward hinging lugs are hinged with the reverse jacking roller set; the lateral wall of forward running roller is big radian curved surface of indent formula.
Preferably, the reverse abutting roller set comprises a reverse mounting seat, a reverse connecting seat, a reverse hinging lug and a reverse roller; the reverse connecting seats are arranged on the side wall of the reverse mounting seat, the two reverse connecting seats are respectively hinged with the corresponding connecting lug plates, a plurality of reverse rollers are arranged, the plurality of reverse rollers are arranged at intervals along the length direction of the reverse mounting seat, and the reverse hinging lugs are hinged with the reverse jacking roller set; the lateral wall of reverse running roller is indent formula curved surface, the lateral wall of reverse running roller and the crashproof post laminating of fan.
Preferably, the device also comprises a compensation control unit, wherein the compensation control unit is used for driving the compensation oil cylinder to stretch and retract; the compensation control unit comprises a two-position two-way normally-closed reversing valve, a high-frequency response proportional valve, a first active compensation oil supply module, a safety valve, a passive compensation oil supplementing module, a gas cylinder group and a gas-liquid energy accumulator; the outer cavity of each compensation oil cylinder is communicated with the port B of the high-frequency response proportional valve, and the inner cavity of each compensation oil cylinder is communicated with the port A of the high-frequency response proportional valve; the P port of the high-frequency response proportional valve is communicated with the first active compensation oil supply module; the port A of the two-position two-way normally-closed reversing valve is communicated with the outer cavity of each compensation oil cylinder, and the port P of the two-position two-way normally-closed reversing valve is communicated with the inner cavity of each compensation oil cylinder; and the passive compensation cavity of each compensation oil cylinder is communicated with the outlet end of the safety valve, the inlet end of the safety valve is communicated with the passive compensation oil supplementing module, the inlet end of the safety valve is communicated with the liquid end of the gas-liquid energy accumulator, and the gas end of the gas-liquid energy accumulator is communicated with the gas cylinder group.
Preferably, the high-frequency response proportional valve further comprises a second active compensation oil supply module, and the T port of the high-frequency response proportional valve is communicated with the second active compensation oil supply module.
Preferably, the gas cylinder group further comprises a passive compensation gas supplementing module, a first pipeline, a second pipeline and a silencer, wherein the gas inlet end of the gas cylinder group is communicated with one end of the first pipeline and one end of the second pipeline respectively, the other end of the first pipeline and the other end of the second pipeline are communicated with the gas outlet end of the passive compensation gas supplementing module, and the first pipeline and the second pipeline are provided with the silencers.
This application adopts above-mentioned structure, is connected with the bumping post of fan through centre gripping drive assembly drive centre gripping running roller assembly, plays the effect of stable connection, simultaneously, through becoming width of cloth compensation drive assembly between mounting base and the connection base, compensates rocking of fortune dimension ship, makes the state that keeps relatively stable between fortune dimension ship and the fan, makes things convenient for fortune dimension personnel to scramble, makes landing work become simply and safety.
After the structure of this application and the contact of fan bumping post, when fortune dimension ship takes place acutely to rock, can compensate wave motion through the structure of this application, fortune dimension personnel accessible bow adjustable pavement landing fan of department erects the ladder operation, have characteristics such as compensation performance is good, the security is high, stability is good.
Drawings
The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged partial schematic view at A of FIG. 3;
fig. 5 is a schematic diagram of the compensation control unit connection of the present invention.
Wherein: the clamping roller assembly comprises a clamping roller assembly 1, a clamping unit 11 and a connecting lug plate 111;
the forward abutting roller set 112, the forward mounting seat 1121, the forward connecting seat 1122, the forward hinge lug 1123 and the forward roller 1124;
the reverse abutting roller set 113, the reverse mounting seat 1131, the reverse connecting seat 1132, the reverse hinging lug 1133 and the reverse roller 1134;
the device comprises a clamping driving assembly 2, a mounting base 3, a variable amplitude compensation driving assembly 4, a Hooke joint 41, a first Hooke joint 411, a second Hooke joint 412, a compensation oil cylinder 42 and a connecting base 5;
the device comprises a compensation control unit 6, a two-position two-way normally-closed reversing valve 61, a high-frequency response proportional valve 62, a first active compensation oil supply module 63, a safety valve 64, a passive compensation oil supplementing module 65, a gas cylinder group 66, a gas-liquid energy accumulator 67, a passive compensation air supplementing module 68, a first pipeline 69, a second pipeline 610 and a silencer 611.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the semi-active compensation clamp for the operation and maintenance ship of the present embodiment includes a clamping roller assembly 1, a clamping driving assembly 2, an installation base 3, a variable amplitude compensation driving assembly 4, and a connection base 5.
The clamping driving assembly 2 and the clamping roller assembly 1 are connected with the mounting base 3.
The clamping driving assembly 2 is connected with the clamping roller assembly 1, and the clamping driving assembly 2 drives the clamping roller assembly 1 to be connected with an anti-collision column of the fan.
One end of the variable amplitude compensation driving assembly 4 is connected with the mounting base 3, and the other end of the variable amplitude compensation driving assembly 4 is connected with the connecting base 5; the connecting base 5 is connected with the operation and maintenance ship.
The amplitude variation compensation driving assembly 4 is used for compensating the motion of the operation and maintenance ship in multiple degrees of freedom.
Adopt this kind of structure, be connected with the bumping post of fan through centre gripping drive assembly 2 drive centre gripping running roller assembly 1, play the effect of stable connection, simultaneously, through becoming width of cloth compensation drive assembly 4 between mounting base 3 and the connection base 5, compensate rocking of fortune dimension ship, make and keep the relatively stable state between fortune dimension ship and the fan, make things convenient for fortune dimension personnel to scramble, make the work of logging become simple and safety.
After the structure of this application and the contact of fan bumping post, when fortune dimension ship takes place acutely to rock, can compensate wave motion through the structure of this application, fortune dimension personnel accessible bow adjustable pavement landing fan of department erects the ladder operation, have characteristics such as compensation performance is good, the security is high, stability is good.
In the present application, the connection base 5 is provided with transverse and longitudinal bulkheads and is connected to the hull by welding or other fixing means. Because the clapboard is in the shape of a reinforcing rib, the ship body connecting base 5 can play a better supporting role.
Specifically, the variable amplitude compensation driving assembly 4 comprises a plurality of hooke joints 41 and a plurality of compensation oil cylinders 42, the plurality of compensation oil cylinders 42 are provided, the plurality of hooke joints 41 are provided, one end of each compensation oil cylinder 42 is connected with the mounting base 3 through the corresponding hooke joint 41, and the other end of each compensation oil cylinder 42 is connected with the connecting base 5 through the corresponding hooke joint 41.
Preferably, the hooke joint 41 is provided with at least four first hooke joints 411 and at least four second hooke joints 412, and the compensation cylinder 42 is provided with at least four compensation cylinders; the four first hooke joints 411 are arranged on the side wall of the mounting base 3; four second hooke joints 412 are arranged on the side wall of the connection base 5; the four compensation cylinders 42 are connected between the corresponding first hooke joint 411 and the corresponding second hooke joint 412.
Preferably, a distance between two first hooke joints 411 in the vertical direction is greater than a distance between two second hooke joints 412 in the vertical direction.
By adopting the structure, the amplitude variation compensation oil cylinder assembly consists of four compensation oil cylinders 42, every two compensation oil cylinders 42 are divided into one group, the two compensation oil cylinders 42 are positioned on the same horizontal plane, the front ends of the compensation oil cylinders 42 are connected to the mounting base 3 through a Hooke hinge, the rear ends of the compensation oil cylinders are connected to the connecting base 5 through a Hooke hinge, the two groups of compensation oil cylinders 42 are symmetrically arranged on the mounting base 3, the extending lengths and the angles of the four compensation oil cylinders 42 are adjusted through an active and/or passive compensation mode, and the four-freedom-degree motion surge, rolling, pitching and yawing of the fortune and maintenance ship are compensated, so that the motion stability is improved, and the compensation performance is good.
In this embodiment, the two second hooke joints 412 in the same vertical direction are close to each other, so that the movement amount of the connection base 5 can be reduced conveniently in the movement compensation process, and the compensation process is more stable.
In this application, the pneumatic cylinder of centre gripping drive assembly 2 and the piston rod of compensation hydro-cylinder 42 all adopt ceramic coating, are favorable to preventing that the piston rod from taking place to corrode, improve executive component's life, and the front and back end of compensation hydro-cylinder 42 passes through the crashproof post and the fortune dimension ship of hooke's hinge connection fan, can satisfy compensation hydro-cylinder 42 multi freedom motion through hooke's hinge structure.
In this embodiment, the clamping roller assembly 1 includes two clamping units 11, and two clamping units 11 are symmetrically disposed on the side wall of the mounting base 3.
The clamping unit 11 comprises a connecting lug plate 111, a forward leaning roller set 112 and a reverse leaning roller set 113.
Connect otic placode 111 to be provided with two, two connect otic placode 111 to set up along vertical direction interval the lateral wall of mounting base 3, the forward top is leaned on roller set 112 to set up two connect between the otic placode 111, the forward top lean on roller set 112 with reverse top is leaned on roller set 113 articulated, centre gripping drive assembly 2 is connected reverse top lean on roller set 113 with connect between the otic placode 111.
The clamping driving assembly 2 drives the forward propping roller set 112 and the reverse propping roller set 113 to clamp the anti-collision columns of the fan.
By adopting the structure, when the clamping driving assembly 2 extends or contracts, the reverse jacking roller set 113 and the forward jacking roller set 112 are driven to tighten, the forward jacking roller set 112 and the reverse jacking roller set 113 are matched with the anti-collision column of the clamping fan, and therefore a good and stable connecting effect is achieved.
Preferably, the forward leaning roller set 112 includes a forward mounting seat 1121, a forward connecting seat 1122, a forward hinge lug 1123 and a forward roller 1124.
The number of the forward connecting seats 1122 is two, the two forward connecting seats 1122 are arranged on the side wall of the forward mounting seat 1121, the two forward connecting seats 1122 are respectively hinged to the corresponding connecting lug plates 111, the plurality of forward rollers 1124 are arranged at intervals along the length direction of the forward mounting seat 1121, and the forward hinging lugs 1123 are hinged to the reverse abutting roller set 113; the side wall of the forward roller 1124 is a concave large-radian curved surface.
The lateral wall of forward running roller 1124 is the structure of big radian curved surface of indent formula, and the anticollision post of adaptable different diameters under the effect of centre gripping hydro-cylinder, through the clamping-force of adjusting reverse centre gripping running roller, can firmly pin the anticollision post, avoids simultaneously taking place to interfere with anticollision post transverse connection steel pipe.
In this application, forward connecting seat 1122 is convex otic placode, can optimize the hull and in the stress concentration phenomenon that the collision of centre gripping in-process holder and anticollision post produced, improve the holistic reliability of equipment.
Meanwhile, the reverse abutting roller set 113 comprises a reverse mounting seat 1131, a reverse connecting seat 1132, a reverse hinging lug 1133 and a reverse roller 1134.
The number of the reverse connecting seats 1132 is two, the two reverse connecting seats 1132 are arranged on the side wall of the reverse mounting seat 1131, the two reverse connecting seats 1132 are respectively hinged to the corresponding connecting lug plates 111, the number of the reverse rollers 1134 is multiple, the multiple reverse rollers 1134 are arranged at intervals along the length direction of the reverse mounting seat 1131, and the reverse hinging lugs 1133 are hinged to the reverse abutting roller set 113; the lateral wall of the reverse roller 1134 is a concave curved surface, and the lateral wall of the reverse roller 1134 is attached to the anti-collision column of the fan.
The reverse clamping roller wheel is of a concave structure with the same diameter as the anti-collision column. In this application, reverse connection seat 1132 is convex otic placode, can optimize the hull and in the stress concentration phenomenon that the collision of centre gripping in-process holder and bumping post produced, improve the holistic reliability of equipment.
In this embodiment, the clamping driving assembly 2 is a clamping driving hydraulic cylinder. Set up four centre gripping drive pneumatic cylinders, the front and back end of centre gripping drive pneumatic cylinder is connected with the other connecting seat of centre gripping running roller assembly through the bolt, and the power is changeed to the convenience, also helps optimizing the stress concentration phenomenon when rotating. Through the mode of passive compensation, compensate the required clamping force of resisting the bumping post at any time.
Specifically, the device further comprises a compensation control unit 6, and the compensation control unit 6 is used for driving the telescopic work of the compensation oil cylinder 42.
The compensation control unit 6 comprises a two-position two-way normally-closed reversing valve 61, a high-frequency response proportional valve 62, a first active compensation oil supply module 63, a safety valve 64, a passive compensation oil supply module 65, a gas cylinder group 66 and a gas-liquid energy accumulator 67.
The outer cavity of each compensation oil cylinder 42 is communicated with the port B of the high frequency response proportional valve 62, and the inner cavity of each compensation oil cylinder 42 is communicated with the port A of the high frequency response proportional valve 62; the port P of the high frequency response proportional valve 62 is in communication with the first active compensated oil supply module 63.
The port A of the two-position two-way normally-closed reversing valve 61 is communicated with the outer cavity of each compensation oil cylinder 42, and the port P of the two-position two-way normally-closed reversing valve 61 is communicated with the inner cavity of each compensation oil cylinder 42.
The passive compensation cavity of each compensation oil cylinder 42 is communicated with the outlet end of the safety valve 64, the inlet end of the safety valve 64 is communicated with the passive compensation oil supplementing module 65, the inlet end of the safety valve 64 is communicated with the liquid end of the gas-liquid accumulator 67, and the gas end of the gas-liquid accumulator 67 is communicated with the gas cylinder group 66.
Adopt this kind of structure, rock the displacement through compensation control unit 6 to the hull and compensate, this application is through adopting first initiative compensation oil feed module 63 and the cooperation of passive compensation oil supply module 65, the flexible volume of the telescopic link of control compensation cylinder 42 to the completion is to the compensation of hull displacement.
In the process of forward movement of the ship body, the load of the clamp is increased, high-pressure gas is compressed, the telescopic rod of the compensation oil cylinder 42 is actively retracted to achieve the compensation purpose, the displacement difference of the clamp before and after fluctuation is kept within an allowable range, and in the process of backward movement of the ship body, the compressed high-pressure gas expands to drive the telescopic rod of the compensation oil cylinder 42 to extend out to achieve the compensation purpose.
The active compensation system controls the work of the telescopic rod of the compensation oil cylinder 42 through the compensation signal, and the hydraulic oil controls the compensation oil cylinder 42 to move through the high-frequency response proportional valve 62, so that the compensation system with fast response and high precision is formed.
The active compensation adopts a control mode that the high-frequency response proportional valve 62 is matched with the first active compensation oil supply module 63, and is matched with the passive compensation for combined use, so that the output power of the hydraulic system is matched with the load driven by the hydraulic system, and the aim of saving energy is fulfilled while the compensation requirement is met.
Preferably, the high-frequency response oil supply system further comprises a second active compensation oil supply module, and the T port of the high-frequency response proportional valve 62 is communicated with the second active compensation oil supply module.
In this embodiment, a second active compensation oil supply module is further provided, and is used when the first active compensation oil supply module 63 is in power overhaul or fails. When the oil leakage occurs in the passive compensation system, the oil is supplemented to the passive compensation oil supplementing module 65.
Further, the air cylinder group comprises a passive compensation air supply module 68, a first pipeline 69, a second pipeline 610 and a silencer 611, wherein an air inlet end of the air cylinder group 66 is respectively communicated with one end of the first pipeline 69 and one end of the second pipeline 610, the other end of the first pipeline 69 and the other end of the second pipeline 610 are communicated with an air outlet end of the passive compensation air supply module 68, and the first pipeline 69 and the second pipeline 610 are both provided with the silencer 611.
The compensation control unit 6 of the present application has the following working modes:
a. semi-active compensation state
And starting the active compensation oil supply system, and opening the high-frequency response proportional valve 62, wherein the system is in a semi-active compensation state.
Most of the load generated by the clamp drives the compensation oil cylinder 42 to work through the cooperation of high-pressure gas of the gas cylinder group 66 and the gas-liquid accumulator 67; the power liquid in the active compensation system drives the piston and the piston rod of the compensation oil cylinder 42 to act, and under the combined action of active compensation and passive compensation, the displacement of the operation and maintenance ship is well compensated, so that the effects of obtaining a good compensation effect and reducing energy consumption are achieved.
When the ship moves forwards, the high-frequency response proportional valve 62 acts through signals of the sensor, so that power liquid enters the outer cavity of the compensation oil cylinder 42, the driving piston rod is contracted, and the forward movement displacement of the ship is compensated.
When the ship body moves backwards, the high-frequency response proportional valve 62 acts in the opposite direction, so that power fluid enters the inner cavity of the compensation oil cylinder 42, the driving piston rod extends, and the backward movement displacement of the ship body is compensated.
b. Passive compensation state
And closing the first active compensation oil supply module 63 and the high-frequency response proportional valve 62, and enabling the two-position two-way normally-closed reversing valve 61 to act to be in an opening state, so that the inner cavity of the compensation oil cylinder 42 is connected with the outer cavity, and then switching the system to be in a passive compensation state. The active compensation cylinder follows under the motion of the passive compensation cylinder.
c. Air source pressure regulating system
The gas cylinder group 66 uses a plurality of working gas cylinders, determines the number of the working gas cylinders to be opened according to the severity of sea conditions, and opens the standby working gas cylinders when the working gas cylinders cannot meet the requirements of site operation.
The method for realizing the working pressure regulation comprises the following steps:
and (4) boosting, namely opening a corresponding gate valve of the pressure regulating system to enable the standby gas cylinder to start to inject high-pressure gas into the working gas cylinder, and closing the gate valve when the pressure reaches a target value.
And (5) reducing pressure, namely opening a corresponding gate valve of the pressure regulating system to discharge the gas in the working gas cylinder through a silencer.
And (4) air supplement, namely adjusting a gate valve of the pressure regulating system, starting a high-pressure air compressor, and injecting high-pressure gas into the spare gas cylinder or the working gas cylinder.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A semi-active compensation clamper for an operation and maintenance ship is characterized by comprising a clamping roller assembly, a clamping driving assembly, a mounting base, a variable amplitude compensation driving assembly and a connecting base;
the clamping driving assembly and the clamping roller assembly are connected with the mounting base;
the clamping driving assembly is connected with the clamping roller assembly, and drives the clamping roller assembly to be connected with an anti-collision column of the fan;
one end of the variable amplitude compensation driving assembly is connected with the mounting base, and the other end of the variable amplitude compensation driving assembly is connected with the connecting base; the connecting base is connected with the operation and maintenance ship;
the variable amplitude compensation driving assembly is used for compensating the motion of the operation and maintenance ship in multiple degrees of freedom.
2. The semi-active compensation clamp holder for the operation and maintenance ship as claimed in claim 1, wherein the amplitude compensation driving assembly comprises a plurality of hooke joints and a plurality of compensation cylinders, one end of each compensation cylinder is connected with the mounting base through the corresponding hooke joint, and the other end of each compensation cylinder is connected with the connecting base through the corresponding hooke joint.
3. The semi-active compensation clamp holder for the operation and maintenance ship according to claim 2, wherein the hooke joints are provided with at least four first hooke joints and at least four second hooke joints, and the compensation oil cylinders are provided with at least four compensation oil cylinders; the four first hook joints are arranged on the side wall of the mounting base; the four second hook joints are arranged on the side wall of the connecting base; and the four compensation oil cylinders are connected between the corresponding first hook joint and the corresponding second hook joint.
4. A semi-active compensating clamp for an operation and maintenance vessel according to claim 3, characterized in that the distance between two first hooke joints in the vertical direction is larger than the distance between two second hooke joints in the vertical direction.
5. The semi-active compensating clamp for the maintenance and operation ship of claim 1, wherein the clamping roller assembly comprises two clamping units, and the two clamping units are symmetrically arranged on the side wall of the mounting base;
the clamping unit comprises a connecting lug plate, a forward abutting roller set and a reverse abutting roller set;
the two connecting lug plates are arranged on the side wall of the mounting base at intervals in the vertical direction, the forward jacking roller set is arranged between the two connecting lug plates, the forward jacking roller set is hinged with the reverse jacking roller set, and the clamping driving assembly is connected between the reverse jacking roller set and the connecting lug plates;
the clamping driving assembly drives the forward jacking roller group and the reverse jacking roller group to clamp the anti-collision column of the fan.
6. The semi-active compensating clamp holder for the maintenance and operation ship of claim 5, wherein the forward leaning roller set comprises a forward mounting seat, a forward connecting seat, a forward hinging lug and a forward roller;
the two forward connecting seats are arranged on the side wall of the forward mounting seat, the two forward connecting seats are respectively hinged with the corresponding connecting lug plates, the number of the forward rollers is multiple, the forward rollers are arranged at intervals along the length direction of the forward mounting seat, and the forward hinging lugs are hinged with the reverse jacking roller set; the lateral wall of forward running roller is big radian curved surface of indent formula.
7. The semi-active compensating clamp holder for the maintenance ship according to claim 5, wherein the reverse jacking roller set comprises a reverse mounting seat, a reverse connecting seat, a reverse hinging lug and a reverse roller;
the reverse connecting seats are arranged on the side wall of the reverse mounting seat, the two reverse connecting seats are respectively hinged with the corresponding connecting lug plates, a plurality of reverse rollers are arranged, the plurality of reverse rollers are arranged at intervals along the length direction of the reverse mounting seat, and the reverse hinging lugs are hinged with the reverse jacking roller set; the lateral wall of reverse running roller is indent formula curved surface, the lateral wall of reverse running roller and the crashproof post laminating of fan.
8. The semi-active compensation clamp for the operation and maintenance ship according to claim 3, further comprising a compensation control unit, wherein the compensation control unit is used for driving the telescopic operation of the compensation oil cylinder;
the compensation control unit comprises a two-position two-way normally-closed reversing valve, a high-frequency response proportional valve, a first active compensation oil supply module, a safety valve, a passive compensation oil supplementing module, a gas cylinder group and a gas-liquid energy accumulator;
the outer cavity of each compensation oil cylinder is communicated with the port B of the high-frequency response proportional valve, and the inner cavity of each compensation oil cylinder is communicated with the port A of the high-frequency response proportional valve; the P port of the high-frequency response proportional valve is communicated with the first active compensation oil supply module;
the port A of the two-position two-way normally-closed reversing valve is communicated with the outer cavity of each compensation oil cylinder, and the port P of the two-position two-way normally-closed reversing valve is communicated with the inner cavity of each compensation oil cylinder;
and the passive compensation cavity of each compensation oil cylinder is communicated with the outlet end of the safety valve, the inlet end of the safety valve is communicated with the passive compensation oil supplementing module, the inlet end of the safety valve is communicated with the liquid end of the gas-liquid energy accumulator, and the gas end of the gas-liquid energy accumulator is communicated with the gas cylinder group.
9. The semi-active compensation clamp for an operation and maintenance vessel according to claim 8, further comprising a second active compensation oil supply module, wherein the T port of the high frequency response proportional valve is in communication with the second active compensation oil supply module.
10. The semi-active compensation clamp holder for the operation and maintenance ship according to claim 8, further comprising a passive compensation air supply module, a first pipeline, a second pipeline and a silencer, wherein an air inlet end of the air bottle group is communicated with one end of the first pipeline and one end of the second pipeline respectively, the other end of the first pipeline and the other end of the second pipeline are communicated with an air outlet end of the passive compensation air supply module, and the first pipeline and the second pipeline are provided with silencers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011601677.2A CN112572714A (en) | 2020-12-29 | 2020-12-29 | Semi-active compensation clamp holder for operation and maintenance ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011601677.2A CN112572714A (en) | 2020-12-29 | 2020-12-29 | Semi-active compensation clamp holder for operation and maintenance ship |
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| CN112572714A true CN112572714A (en) | 2021-03-30 |
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| CN202011601677.2A Pending CN112572714A (en) | 2020-12-29 | 2020-12-29 | Semi-active compensation clamp holder for operation and maintenance ship |
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Application publication date: 20210330 |