CN116876494B - Emergency safety pile pulling system for self-elevating wind power installation ship - Google Patents
Emergency safety pile pulling system for self-elevating wind power installation ship Download PDFInfo
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- CN116876494B CN116876494B CN202311150539.0A CN202311150539A CN116876494B CN 116876494 B CN116876494 B CN 116876494B CN 202311150539 A CN202311150539 A CN 202311150539A CN 116876494 B CN116876494 B CN 116876494B
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- 238000009434 installation Methods 0.000 title claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000013535 sea water Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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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
- 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
- F15B13/027—Check valves
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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
- Y02E10/727—Offshore wind turbines
Abstract
The invention relates to the technical field of ocean engineering equipment, in particular to an emergency safety pile pulling system for a self-elevating wind power installation ship, which comprises a pile shoe, wherein three pile leg installation grooves are formed in the pile shoe, and a pile leg I, a pile leg II and a pile leg III are respectively connected with the pile leg installation grooves in a threaded manner, and the emergency safety pile pulling system further comprises: the transmission mechanism is respectively arranged in the first pile leg, the second pile leg and the third pile leg and is used for emergency separation between the first pile leg, the second pile leg, the third pile leg and the pile shoe; and the hydraulic loop system is used for driving the transmission mechanism to operate and dynamically balancing the pressure of hydraulic oil and the pressure of external seawater. According to the invention, the hydraulic motor and the transmission mechanism connected with the hydraulic motor are controlled by the pump and the valve in a combined way, so that the emergency separation of the pile leg and the pile shoe is realized, and the safety of the whole ship is ensured; meanwhile, the dynamic balance between the pressure of hydraulic oil and the pressure of external seawater can be realized, and the sealing reliability of hydraulic components in the system is improved.
Description
Technical Field
The invention relates to the technical field of ocean engineering equipment, in particular to an emergency safety pile pulling system for a self-elevating wind power installation ship.
Background
Wind power is an important green energy source, and more attention is paid in recent years. Since the ocean has abundant wind power resources, offshore wind power generation is increasingly becoming a popular direction of wind power generation. The self-elevating wind power installation ship has certain self-elevating capacity, and can be used for conveying the wind power generator to a target sea area, inserting pile legs and pile shoes into the seabed through a lifting mechanism, so as to realize the lifting of the ship body; after the ship body is separated from the sea surface to a designated height, the wind power installation ship hoisting equipment can carry out wind power hoisting operation; after the installation of the offshore wind turbine is completed, the pile legs and the pile shoes are recovered through the lifting mechanism, the ship body sinks to the sea surface, and the ship returns to a sailing state.
After the traditional self-elevating wind power installation vessel finishes the lifting task of the offshore wind power generator, the pile legs and the pile shoes are required to be retracted from the seabed through a lifting system. Because the seabed environment is complicated, seabed is full of silt, when wind-powered electricity generation installation ship extremely runs into huge resistance in the pile pulling process, lead to the pile shoe to be difficult to pull out easily, therefore can't guarantee the safety of whole wind-powered electricity generation installation ship, ordinary operating system also does not possess the self-adaptation function of water depth pressure simultaneously, leads to the interior hydraulic oil pressure of energy storage ware and external sea water pressure can't reach dynamic balance yet to can't guarantee the leakproofness of its inside components and parts yet. In view of the above, we propose an emergency safety pile pulling system for a self-elevating wind power installation vessel.
Disclosure of Invention
In order to make up for the defects, the invention provides an emergency safety pile pulling system for a self-elevating wind power installation ship.
The technical scheme of the invention is as follows:
the utility model provides a self-elevating wind-powered electricity generation installs marine emergent safe pile pulling system, includes the pile shoe, three spud leg mounting groove has been seted up on the pile shoe, three threaded connection has spud leg one, spud leg two and spud leg three respectively in the spud leg mounting groove, still includes:
the transmission mechanism is respectively arranged in the first pile leg, the second pile leg and the third pile leg and is used for emergency separation between the first pile leg, the second pile leg, the third pile leg and the pile shoe;
and the hydraulic loop system is communicated with the transmission mechanism and is used for driving the transmission mechanism to operate and dynamically balancing the pressure of hydraulic oil and the pressure of external seawater.
Further, the pile shoe body is a rectangular cylinder, triangular inclined planes with different inclinations are respectively arranged at two ends of the pile shoe body, and a plurality of return boss structures are respectively arranged at one side of the pile shoe, which is far away from the pile leg I, the pile leg II and the pile leg III.
Further, the structural composition of the second pile leg and the third pile leg is consistent with that of the first pile leg.
Further, the transmission mechanism includes:
the bearing end cover is of a second-order round platform structure, the bearing end cover is connected with a pile leg center column through a connecting bolt, the bearing end cover is connected with the smaller end of the pile leg center column, the pile leg center column main body is of a second-order hollow cylinder structure, and a shoulder is arranged at one end of the pile leg center column.
Further, one end of the pressure-bearing end cover, which is larger, is fixedly connected with a first heavy-duty thrust bearing, the other side of the first heavy-duty thrust bearing is fixedly connected with a screw rod, one side, away from the first heavy-duty thrust bearing, of the screw rod is fixedly connected with a second heavy-duty thrust bearing, and the other side of the second heavy-duty thrust bearing is connected with a shoulder of the pile leg center column.
Further, the lead screw main body is a hollow cylinder, the outer side of the cylinder is in threaded connection with the pile shoe, three annular bosses are arranged in the cylinder, the middle of the annular bosses is provided with a large gear ring through interference fit, and the two sides of the lead screw are provided with a needle bearing I and a needle bearing II through interference fit respectively.
Further, the heavy-duty thrust bearing I and the heavy-duty thrust bearing II are respectively arranged in bosses on two sides of the cylinder.
Further, the middle part of the pile leg center column is fixedly provided with a hydraulic motor mounting base, the main body of the hydraulic motor mounting base is of a cylindrical structure, one side of the hydraulic motor mounting base is provided with a multi-stage special-shaped groove, and the other side of the hydraulic motor mounting base is fixedly provided with four shafts.
Further, the four shafts are fixedly connected with a first intermediate idler, a second intermediate idler, a third intermediate idler and a fourth intermediate idler respectively.
Further, the first intermediate idle wheel, the second intermediate idle wheel, the third intermediate idle wheel and the fourth intermediate idle wheel are meshed with the large gear ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the hydraulic motor and the transmission mechanism connected with the hydraulic motor are controlled by the pump and the valve, and the emergency separation of the pile leg and the pile shoe is realized by separating the threaded fit between the bottom of the pile leg and the pile shoe, so that the safety of the whole ship is ensured.
2. The invention has the self-adaptive function of water depth pressure, and realizes the dynamic balance of the pressure of hydraulic oil in the accumulator and the pressure of external seawater by introducing the seawater into a chamber at one side of the accumulator in the system; the hydraulic oil in the accumulator is respectively led into the quantitative pump, the hydraulic motor, the motor and the brake by the accumulator, so that the dynamic compensation of the internal pressures of the quantitative pump, the hydraulic motor, the motor and the brake is realized, and the sealing reliability of hydraulic components in the system is improved.
Drawings
FIG. 1 is a hydraulic principle of an emergency safety pile pulling system according to the invention;
FIG. 2 is a logic control diagram of the emergency safety pile pulling system of the invention;
FIG. 3 is a schematic view of the pile shoe mechanical mechanism of the emergency safety pile pulling system of the present invention;
FIG. 4 is a schematic view of a mechanical mechanism of a leg of the emergency safety pile pulling system of the present invention;
FIG. 5 is a schematic view of two mechanical mechanisms of a pile leg of the emergency safety pile pulling system of the invention;
fig. 6 is a schematic diagram of three mechanical mechanisms of a pile leg of the emergency safety pile pulling system of the invention.
In the figure: 1. a first hydraulic motor; 2. a second hydraulic motor; 3. a hydraulic motor III; 4. a first brake; 5. a second brake; 6. a third brake; 7. a pulse signal generator I; 8. a pulse signal generator II; 9. a pulse signal generator III; 10. a stop valve I; 11. a second stop valve; 12. a stop valve III; 13. a stop valve IV; 14. a stop valve V; 15. a stop valve six; 16. a first hydraulic control one-way valve; 17. a second hydraulic control check valve; 18. a hydraulic control one-way valve III; 19. a hydraulic control one-way valve IV; 20. fifth, a hydraulic control one-way valve; 21. a hydraulic control one-way valve six; 22. a two-position three-way electromagnetic reversing valve I; 23. two-position three-way electromagnetic reversing valve II; 24. a two-position three-way electromagnetic reversing valve III; 25. a three-position four-way proportional reversing valve I; 26. a three-position four-way proportional reversing valve II; 27. three-position four-way proportional reversing valve three; 28. an accumulator; 29. a motor; 30. a fixed displacement pump; 31. a safety overflow valve; 32. an emergency pile pulling controller; 33. pile shoe; 34. pile leg I; 341. a pressure-bearing end cover; 342. heavy-duty thrust bearing I; 343. a screw rod; 344. a needle bearing I; 345. a pile leg center column; 346. a large gear ring; 347. an intermediate idler I; 348. a drive gear; 349. an intermediate idler II; 3410. an intermediate idler III; 3411. a middle idler wheel IV; 3412. a hydraulic motor mounting base; 3413. deep groove ball bearings; 3414. a needle roller bearing II; 3415. heavy-duty thrust bearings II, 35, spud legs II, 36 and spud leg III.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention is described in detail by the following embodiments:
an emergency safety pile pulling system for a self-elevating wind power installation ship, comprising:
the pile shoe 33 is provided with three pile leg mounting grooves, the pile leg mounting grooves are respectively and threadedly connected with a pile leg I34, a pile leg II 35 and a pile leg III 36, the pile shoe 33 is a rectangular cylinder, two ends of the pile shoe 33 are respectively provided with triangular inclined planes with different inclinations, one side of the pile shoe 33, which is far away from the pile leg I34, the pile leg II 35 and the pile leg III 36, is provided with a plurality of return boss structures, and the structural composition of the pile leg II 35 and the pile leg III 36 is consistent with that of the pile leg I34; the transmission mechanism is respectively arranged in the first pile leg 34, the second pile leg 35 and the third pile leg 36 and is used for emergency separation between the first pile leg 34, the second pile leg 35, the third pile leg 36 and the pile shoe 33; the transmission mechanism comprises: the bearing end cover 341, the bearing end cover 341 is of a second-order round platform structure, the bearing end cover 341 is connected with a pile leg center column 345 through a connecting bolt, the bearing end cover 341 is connected with a smaller end of the pile leg center column 345, the pile leg center column 345 is of a second-order hollow cylinder structure, one end of the pile leg center column 345 is provided with a shoulder, a heavy-duty thrust bearing one 342 is fixedly connected with a larger end of the bearing end cover 341, the other side of the heavy-duty thrust bearing one 342 is fixedly connected with a screw rod 343, one side of the screw rod 343, which is far away from the heavy-duty thrust bearing one 342, is fixedly connected with a heavy-duty thrust bearing two 3415, the other side of the heavy-duty thrust bearing two 3415 is connected with the shoulder of the pile leg center column 345, the screw rod 343 is a hollow cylinder, the outer side of the cylinder is in threaded connection with a pile shoe 33, and three annular bosses are arranged inside the cylinder, the middle annular boss is provided with a large gear ring 346 through interference fit, two sides of a screw rod 343 are provided with a first needle bearing 344 and a second needle bearing 3414 through interference fit respectively, a first heavy-duty thrust bearing 342 and a second heavy-duty thrust bearing 3415 are respectively arranged in bosses on two sides of a cylinder, a hydraulic motor mounting base 3412 is fixedly arranged in the middle of a pile leg center column 345, the main body of the hydraulic motor mounting base 3412 is of a cylindrical structure, one side of the hydraulic motor mounting base 3412 is provided with a multi-stage special-shaped groove, the other side of the hydraulic motor mounting base 3412 is fixedly provided with four shafts, the four shafts are respectively and fixedly connected with a first intermediate idler 347, a second intermediate idler 349, a third intermediate idler 3410 and a fourth intermediate idler 3411, and the first intermediate idler 347, the second intermediate idler 349, the third intermediate idler 3410 and the fourth intermediate idler 3411 are mutually meshed with the large gear ring 346.
In this embodiment, it should be noted that the hydraulic motor mounting base 3412 is connected to the hydraulic motor 1 through a bolt, and the output shaft of the hydraulic motor 1 is fixedly connected to the driving gear 348, and the driving gear 348 is meshed with the intermediate idle gear 347, the intermediate idle gear 349, the intermediate idle gear three 3410 and the intermediate idle gear four 3411, respectively.
In this embodiment, it should be further noted that the first intermediate idle pulley 347, the second intermediate idle pulley 349, the third intermediate idle pulley 3410 and the fourth intermediate idle pulley 3411 are each provided with a deep groove ball bearing 3413 by interference fit, and the inner ring of each deep groove ball bearing 3413 is mounted on the shaft by interference fit.
The hydraulic motor I1 is connected with a driving gear 348 arranged in the driving pile leg I34 through a spline, and the driving gear 348 drives the intermediate idle wheel I347, the intermediate idle wheel II 349, the intermediate idle wheel III 3410 and the intermediate idle wheel IV 3411 to rotate together through the meshing action of the driving gear 348 and the intermediate idle wheel I347, the intermediate idle wheel II 349, the intermediate idle wheel III 3410 and the intermediate idle wheel IV 3411, and the deep groove ball bearing 3413 connected with the intermediate idle wheel can effectively reduce transmission resistance and improve transmission efficiency; meanwhile, the intermediate idle wheel I347, the intermediate idle wheel II 349, the intermediate idle wheel III 3410 and the intermediate idle wheel IV 3411 are meshed with the large gear ring 346 to drive the large gear ring 346 to rotate, the large gear ring 346 is fixedly connected with an intermediate boss inside the screw rod 343, the large gear ring 346 can drive the screw rod 343 to rotate, so that the screw rod 343 can drive the outer rings of the needle bearing I344 and the needle bearing II 3414 to rotate, meanwhile, the rolling bodies of the needle bearing I344 and the needle bearing II 3414 move along a chute formed by the pile leg center column 345, one end of the screw rod 343, which is close to the pressure-bearing end cover 341, drives the heavy-duty thrust bearing I342 to rotate through contact, and one end of the screw rod 343, which is far away from the pressure-bearing end cover 341, drives the needle bearing II 3414 to rotate through contact, and therefore the rotation resistance of the screw rod can be effectively reduced, and the axial load born by the screw rod 343 can be effectively borne by the heavy-duty thrust bearing I342 and the heavy-duty thrust bearing II 3415, and smooth rotation of the screw rod 343 can be ensured; also, because the structural composition of the second pile leg 35 and the third pile leg 36 is identical to that of the first pile leg 34, the second hydraulic motor 2 and the third hydraulic motor 3 in the second pile leg 35 and the third pile leg 36 can drive the transmission mechanism in the second pile leg to operate, and the working principle process of the hydraulic motor is identical to that of the transmission mechanism in the first pile leg 34.
And the hydraulic loop system is communicated with the transmission mechanism and is used for driving the transmission mechanism to operate and dynamically balancing the pressure of hydraulic oil and the pressure of external seawater.
In this embodiment, it should be noted that the hydraulic circuit system includes: the accumulator 28, the 28A port of the accumulator 28 is respectively connected with the 29A port of the motor 29, the 30A port of the constant delivery pump 30, the 30C port of the constant delivery pump 30, the 31B port of the safety relief valve 31, the 4B port of the brake I4, the 1C port of the hydraulic motor I1, the 25T port of the three-position four-way proportional reversing valve I25, the 22T port of the two-position three-way electromagnetic reversing valve I22, the 5B port of the brake II 5, the 2C port of the hydraulic motor II 2, the 26T port of the three-position four-way proportional reversing valve II 26, the 23T port of the two-position three-way electromagnetic reversing valve II 23, the 6B port of the brake III 6, the 3C port of the hydraulic motor III 3, the 27T port of the three-position four-way proportional reversing valve III 27 and the 24T port of the two-position three-way electromagnetic reversing valve III 24; the port 30B of the constant delivery pump 30 is respectively connected with the port 31A of the safety overflow valve 31, the port 25P of the three-position four-way proportional reversing valve I25, the port 26P of the three-position four-way proportional reversing valve II 26, the port 27P of the three-position four-way proportional reversing valve III 27, the port 22P of the two-position three-way electromagnetic reversing valve I22, the port 23P of the two-position three-way electromagnetic reversing valve II 23 and the port 24P of the two-position three-way electromagnetic reversing valve III 24; the 22A port of the two-position three-way electromagnetic directional valve I22 is connected with the 4A port of the brake I4; the 25A port of the three-position four-way proportional reversing valve I25 is respectively connected with the 16A port of the hydraulic control one-way valve I16 and the 17C port of the hydraulic control one-way valve II 17; the 25B port of the three-position four-way proportional reversing valve I25 is respectively connected with the 16C port of the hydraulic control one-way valve I16 and the 17A port of the hydraulic control one-way valve II 17; the 16B port of the first hydraulic control check valve 16 is connected with the 10B port of the first stop valve 10; the 10A port of the stop valve I10 is connected with the 1A port of the hydraulic motor I1; the port 1B of the first hydraulic motor 1 is connected with the port 11A of the second stop valve 11; the 11B port of the second stop valve 11 is connected with the 17B port of the second hydraulic control check valve 17; the 23A port of the two-position three-way electromagnetic directional valve II 23 is connected with the 5A port of the brake II 5; the port 26A of the three-position four-way proportional reversing valve II 26 is respectively connected with the port 18A of the hydraulic control one-way valve III 18 and the port 19C of the hydraulic control one-way valve IV 19; the port 26B of the three-position four-way proportional reversing valve II 26 is respectively connected with the port 18C of the hydraulic control one-way valve III 18 and the port 19A of the hydraulic control one-way valve IV 19; the port 18B of the hydraulic control check valve III 18 is connected with the port 12B of the stop valve III 12; the port 12A of the stop valve III 12 is connected with the port 2A of the hydraulic motor II 2; the port 2B of the second hydraulic motor 2 is connected with the port 13A of the stop valve IV 13; the 13B port of the stop valve IV 13 is connected with the 19B port of the hydraulic control one-way valve IV 19; the 24A port of the two-position three-way electromagnetic directional valve III 24 is connected with the 6A port of the brake III 6; the 27A port of the three-position four-way proportional reversing valve III 27 is respectively connected with the 20A port of the hydraulic control one-way valve V20 and the 21C port of the hydraulic control one-way valve V21; the port 27B of the three-position four-way proportional reversing valve III 27 is respectively connected with the port 20C of the hydraulic control one-way valve V20 and the port 21A of the hydraulic control one-way valve V21; the 20B port of the hydraulic control check valve five 20 is connected with the 14B port of the stop valve five 14; the port 14A of the stop valve five 14 is connected with the port 3A of the hydraulic motor three 3; the port 3B of the hydraulic motor III 3 is connected with the port 15A of the stop valve VI 15; the 15B port of the stop valve six 15 is connected with the 21B port of the hydraulic control one-way valve six 21.
In this embodiment, it should be further described that, when each two-position three-way electromagnetic switch valve is in the left position, the port a and the port T are in the on state, and the port P is in the off state; when the device is in the right position, the port A and the port P are in a conducting state, and the port T is in a disconnecting state; in addition, when each three-position four-way electric proportional reversing valve is in the middle position, the port A, the port B and the port T are in a communication state, and the port P is in a disconnection state; when the device is at the left position, the port A is communicated with the port T, and the port B is communicated with the port P; when in the right position, the port A is communicated with the port P, and the port B is communicated with the port T; and the pulse signal generator I7 is used for measuring the rotation angle of the hydraulic motor I1; the pulse signal generator II 8 is used for measuring the rotation angle of the hydraulic motor II 2; the pulse signal generator three 9 is used to measure the rotation angle of the hydraulic motor three 3.
After the wind power installation ship completes the installation task of the offshore wind power generator, the pile shoe 33 needs to be retracted from the seabed through a lifting system, and the seabed is full of sludge due to complex seabed environment, so that the pile shoe 33 is difficult to be pulled out smoothly; at the moment, the wind power installation ship starts an emergency pile pulling system, and the emergency pile pulling controller 32 independently controls the first three-position four-way proportional reversing valve 25, the second three-position four-way proportional reversing valve 26 and the third three-position four-way proportional reversing valve 27 to realize the independent adjustment of the rotation speeds and the output torques of the first hydraulic motor 1, the second hydraulic motor 2 and the third hydraulic motor 3; when external seawater flows into a chamber on one side of the accumulator 28 through a port 28B of the accumulator 28, hydraulic oil in the chamber on the other side of the accumulator 28 flows out from a port 28A of the accumulator under the action of external seawater pressure, hydraulic oil flowing out from the port 28A flows into a cavity between a rotor of the motor 29 and a sealing shell through a port 29A of the motor 29, flows into the interior of the constant delivery pump 30 through a port 30C of the constant delivery pump 30, flows into a chamber on one side of the brake 4 through a port 4B of the brake 4, flows into a chamber on one side of the brake 5 through a port 5B of the brake 5, flows into a chamber on one side of the brake 6 through a port 6B of the brake 6, flows into a first 22 of the two-way electromagnetic reversing valve through a port 22P of the two-way electromagnetic reversing valve, flows into a second 23 of the two-way electromagnetic reversing valve through a port 23P of the two-way electromagnetic reversing valve 23, flows into a three 24 of the two-way electromagnetic reversing valve 24 through a port 24 of the two-way electromagnetic reversing valve 24, flows out of the hydraulic oil through a port 22A of the two-way electromagnetic valve after flowing out from the first 22, flows into a chamber on one side of the brake 4A of the two-way electromagnetic reversing valve 4 through the two-way electromagnetic reversing valve 24, flows into a chamber on the interior of the two-way electromagnetic valve 24A of the two-way electromagnetic valve 2A, flows out of the two-way electromagnetic valve 24A 2A, flows out of the hydraulic oil through the two-side of the two-way electromagnetic valve 24A, and the two-side valve 2A, flows into the two-side valve 2A valve 2-side valve 2A and the hydraulic oil, flows out of the hydraulic oil through the hydraulic oil, and the hydraulic oil, flows out of the valve 2 and the valve 2A valve and the valve; the pressure of the hydraulic oil flowing into the quantitative pump 30 is dynamically balanced with the pressure of the external seawater, so that the dynamic pressure compensation of the quantitative pump 30 is realized; the hydraulic oil flowing into the two chambers of the first brake 4 has the same pressure, the pressure of the hydraulic oil is dynamically balanced with the pressure of the external seawater, the dynamic pressure compensation of the first brake 4 is realized, and the braking action of the first brake 4 on the first hydraulic motor 1 is realized under the action of the restoring force of the restoring spring in the first brake 4; the hydraulic oil flowing into the two chambers of the second brake 5 has the same pressure, the pressure of the hydraulic oil is dynamically balanced with the pressure of the external seawater, the dynamic pressure compensation of the second brake 5 is realized, and the braking action of the second brake 5 on the second hydraulic motor 2 is realized under the action of the restoring force of the restoring spring in the second brake 5; the hydraulic oil flowing into the two chambers of the brake III 6 has the same pressure, the pressure of the hydraulic oil is dynamically balanced with the pressure of the external seawater, the dynamic pressure compensation of the brake III 6 is realized, and the braking action of the brake III 6 on the hydraulic motor III 3 is realized under the action of the restoring force of the restoring spring in the brake III 6; by introducing seawater into a cavity at one side of the accumulator 28, dynamic balance of the pressure of hydraulic oil in the accumulator 28 and the pressure of external seawater is realized, the accumulator 28 respectively introduces the hydraulic oil in the accumulator into the interiors of the constant displacement pump 30, the hydraulic motor I1, the hydraulic motor II 2, the hydraulic motor III 3, the motor 29, the brake I4, the brake II 5 and the brake III 6, dynamic compensation of the internal and external pressures of hydraulic components in the system is realized, the sealing pressure of the hydraulic components in the system is reduced, and the water depth pressure self-adaption of the emergency safe pile pulling system is realized.
When the pile shoe 33 is difficult to smoothly pull out, at the moment, the wind power installation ship starts an emergency pile pulling function, the three-position four-way proportional reversing valve I25, the three-position four-way proportional reversing valve II 26 and the three-position four-way proportional reversing valve III 27 are switched to the right position, the two-position three-way electromagnetic reversing valve I22, the two-position three-way electromagnetic reversing valve II 23 and the two-position three-way electromagnetic reversing valve III 24 are switched to the right position, the motor 29 is started, hydraulic oil in the accumulator 28 flows into the quantitative pump 30 through a 30A port of the quantitative pump 30, hydraulic oil flows out from a 30B port of the quantitative pump 30, hydraulic oil flowing out from a 30B port flows into the three-position four-way proportional reversing valve I25 through a 25P port of the three-position four-way proportional reversing valve I25, flows into the three-position four-way proportional reversing valve II 26 through a 26P port of the three-position four-way proportional reversing valve II 27, flows into the three-position four-way proportional reversing valve III 27 through a 27P port of the three-position four-way proportional reversing valve III 27, flows into the two-position three-way electromagnetic reversing valve I22 through a 22P port of the two-position three-way electromagnetic reversing valve II 23, flows out of the two-position three-way electromagnetic reversing valve II 31B through a three-way electromagnetic reversing valve II 31, and flows out of the three-way electromagnetic reversing valve II 31B through a three-way electromagnetic reversing valve II 31 through a three-way electromagnetic reversing valve II port of the three-way electromagnetic reversing valve II 31 when the three-way electromagnetic reversing valve II 31, and flows out of the three-position three-way valve 31B through a safety valve 31, and flows out of the three-way valve 31 through an overflow valve 31, and flows out of the three-position electromagnetic valve 31 through a safety valve 31; hydraulic oil flows out from a 22A port of the two-position three-way electromagnetic directional valve I22 after passing through the two-position three-way electromagnetic directional valve I22, the hydraulic oil flowing out from the 22A port flows into the brake I4 through a 4A port of the brake I4, the brake I4 is separated from the hydraulic motor I1, and the hydraulic motor I1 is in a free motion state; the hydraulic oil flows out from the 25A port of the three-position four-way proportional reversing valve I25, the hydraulic oil flowing out from the 25A port flows into the first hydraulic control one-way valve 16 through the 16A port of the first hydraulic control one-way valve 16, flows into the second hydraulic control one-way valve 17 through the 17C port of the second hydraulic control one-way valve 17, the hydraulic oil flowing out from the 16B port flows into the first stop valve 10 through the 10B port of the first stop valve 10, the hydraulic oil flows out from the 10A port of the stop valve I10, the hydraulic oil flowing out from the 10A port flows into the first hydraulic motor 1 through the 1A port of the first hydraulic motor 1, the hydraulic oil flowing out from the 1B port flows into the second stop valve 11 through the 11A port of the stop valve II 11, the hydraulic oil flowing out from the 11B port flows into the second hydraulic control one-way valve 17 through the 17B port of the second hydraulic control one-way valve 17, the hydraulic oil flowing out from the 17A port of the stop valve II, the hydraulic oil flowing out from the 17A port flows out from the three-position four-way valve 25A port of the three-way valve 25 through the three-way valve 25T 28, and the three-position four-way valve 25A port of the three-way valve 25 is arranged; hydraulic oil flows out from a 23A port of the two-position three-way electromagnetic directional valve II 23 after passing through the two-position three-way electromagnetic directional valve II, the hydraulic oil flowing out from the 23A port flows into a brake II 5 through a 5A port of the brake II 5, the brake II 5 is separated from the hydraulic motor II 2, and the hydraulic motor II 2 is in a free motion state; the hydraulic oil flows out from a 26A port of the three-position four-way proportional reversing valve II 26, the hydraulic oil flowing out from the 26A port flows into a hydraulically-controlled one-way valve III 18 through a 18A port of the hydraulically-controlled one-way valve III 18, flows into a hydraulically-controlled one-way valve IV 19 through a 19C port of the hydraulically-controlled one-way valve IV 19, flows out from a 18B port of the hydraulically-controlled one-way valve IV 18 through a 12B port of the stop valve III 12, flows out from a 12A port of the stop valve III 12, flows into a hydraulic motor II 2 through a 2A port of the hydraulic motor II 2, flows out from a 2B port of the hydraulic motor II through a 13A port of the stop valve IV 13, flows out from a 13B port of the stop valve IV 13B port of the hydraulically-controlled one-way valve IV 19, flows out from a 19A port of the stop valve IV 12 through the stop valve IV 12, flows out from a 2B port of the four-way valve IV 26A port of the four-way valve II, flows out from a 2B port of the four-way valve 28, flows out from a three-way valve 26A of the four-way valve II, and the four-way valve 26A through a 28, and the proportional accumulator; hydraulic oil flows out from a 24A port of the three-way electromagnetic directional valve 24 after passing through the three-way electromagnetic directional valve 24, the hydraulic oil flowing out from the 24A port flows into the brake 6 through a 6A port of the brake 6, the brake 6 is separated from the hydraulic motor 3, and the hydraulic motor 3 is in a free motion state; the hydraulic oil flows out from a 27A port of the three-position four-way proportional reversing valve III 27, the hydraulic oil flowing out from the 27A port flows into a hydraulically-controlled one-way valve V20 through a 20A port of the hydraulically-controlled one-way valve V20, flows into a hydraulically-controlled one-way valve V21 through a 21C port of the hydraulically-controlled one-way valve V21, flows out from a 20B port of the hydraulically-controlled one-way valve V20, flows into a stop valve V14 through a 14B port of the stop valve V14, flows out from a 14A port of the stop valve V14, flows into a hydraulic motor III 3 through a 3A port of the hydraulic motor III 3, flows out from a 3B port of the hydraulic motor V3, flows into a stop valve V15 through a 15A port of the stop valve V15, flows out from a 15B port of the hydraulically-controlled one-way valve V21, flows out from a 21A port of the three-way valve V27, flows out from a three-position four-way 27A port of the four-way valve 27A 28, flows out from a three-way valve 27T 28, and flows out from a three-position four-way proportional reversing valve 27A 27; the emergency pile pulling controller 32 respectively controls the first three-position four-way proportional reversing valve 25, the second three-position four-way proportional reversing valve 26 and the third three-position four-way proportional reversing valve 27, so that synchronous movement of the first hydraulic motor 1, the second hydraulic motor 2 and the third hydraulic motor 3 is realized, synchronous separation of the first pile leg 34, the second pile leg 35, the third pile leg 36 and the pile shoe 33 is further realized, and emergency pile pulling of the emergency safety pile pulling system is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a self-elevating wind-powered electricity generation installs marine emergent safe pile pulling system, includes pile shoe (33), three spud leg mounting groove has been seted up on pile shoe (33), three leg mounting groove is respectively threaded connection has spud leg one (34), spud leg two (35) and spud leg three (36), its characterized in that still includes:
the transmission mechanism is respectively arranged in the first pile leg (34), the second pile leg (35) and the third pile leg (36) and is used for emergency separation among the first pile leg (34), the second pile leg (35), the third pile leg (36) and the pile shoe (33);
the hydraulic circuit system, the hydraulic circuit system with drive mechanism intercommunication is used for the drive mechanism operation, and make the dynamic balance of hydraulic oil pressure and external sea water pressure, the hydraulic circuit system includes: the hydraulic control system comprises an energy accumulator (28), a port 28A of the energy accumulator (28), a port 29A of a motor (29), a port 30A of a constant displacement pump (30), a port 30C of a constant displacement pump (30), a port 31B of a safety overflow valve (31), a port 4B of a brake I (4), a port 1C of a hydraulic motor I (1), a port 25T of a three-position four-way proportional reversing valve I (25), a port 22T of a two-position three-way electromagnetic reversing valve I (22), a port 5B of a brake II (5), a port 2C of a hydraulic motor II (2), a port 26T of a three-position four-way proportional reversing valve II (26), a port 23T of a two-position three-way electromagnetic reversing valve II (23), a port 6B of a brake III (6), a port 3C of a three-position four-way proportional reversing valve III (27) and a port 24T of a two-position three-way electromagnetic reversing valve III (24) are connected; the port 30B of the dosing pump (30) is respectively connected with the port 31A of the safety overflow valve (31), the port 25P of the three-position four-way proportional reversing valve I (25), the port 26P of the three-position four-way proportional reversing valve II (26), the port 27P of the three-position four-way proportional reversing valve III (27), the port 22P of the two-position three-way electromagnetic reversing valve I (22), the port 23P of the two-position three-way electromagnetic reversing valve II (23) and the port 24P of the two-position three-way electromagnetic reversing valve III (24); the 22A port of the two-position three-way electromagnetic directional valve I (22) is connected with the 4A port of the brake I (4); the 25A port of the three-position four-way proportional reversing valve I (25) is respectively connected with the 16A port of the hydraulic control one-way valve I (16) and the 17C port of the hydraulic control one-way valve II (17); the 25B port of the three-position four-way proportional reversing valve I (25) is respectively connected with the 16C port of the hydraulic control one-way valve I (16) and the 17A port of the hydraulic control one-way valve II (17); the 16B port of the first hydraulic control check valve (16) is connected with the 10B port of the first stop valve (10); the 10A port of the stop valve I (10) is connected with the 1A port of the hydraulic motor I (1); the port 1B of the hydraulic motor I (1) is connected with the port 11A of the stop valve II (11); the 11B port of the second stop valve (11) is connected with the 17B port of the second hydraulic control check valve (17); the 23A port of the two-position three-way electromagnetic directional valve II (23) is connected with the 5A port of the brake II (5); the port 26A of the three-position four-way proportional reversing valve II (26) is respectively connected with the port 18A of the hydraulic control one-way valve III (18) and the port 19C of the hydraulic control one-way valve IV (19); the port 26B of the three-position four-way proportional reversing valve II (26) is respectively connected with the port 18C of the hydraulic control one-way valve III (18) and the port 19A of the hydraulic control one-way valve IV (19); the 18B port of the hydraulic control check valve III (18) is connected with the 12B port of the stop valve III (12); the port 12A of the stop valve III (12) is connected with the port 2A of the hydraulic motor II (2); the port 2B of the hydraulic motor II (2) is connected with the port 13A of the stop valve IV (13); the port 13B of the stop valve IV (13) is connected with the port 19B of the hydraulic control one-way valve IV (19); the 24A port of the two-position three-way electromagnetic directional valve III (24) is connected with the 6A port of the brake III (6); the port 27A of the three-position four-way proportional reversing valve III (27) is respectively connected with the port 20A of the hydraulic control one-way valve V (20) and the port 21C of the hydraulic control one-way valve V (21); the port 27B of the three-position four-way proportional reversing valve III (27) is respectively connected with the port 20C of the hydraulic control one-way valve V (20) and the port 21A of the hydraulic control one-way valve V (21); the 20B port of the hydraulic control check valve five (20) is connected with the 14B port of the stop valve five (14); the port 14A of the stop valve five (14) is connected with the port 3A of the hydraulic motor three (3); the 3B port of the hydraulic motor III (3) is connected with the 15A port of the stop valve VI (15); the 15B port of the stop valve six (15) is connected with the 21B port of the hydraulic control one-way valve six (21);
the transmission mechanism comprises:
the bearing end cover (341), the bearing end cover (341) is of a second-order round platform structure, the bearing end cover (341) is connected with a pile leg center column (345) through a connecting bolt, the bearing end cover (341) is connected with a smaller end of the pile leg center column (345), the pile leg center column (345) is of a second-order hollow cylinder structure, one end of the pile leg center column (345) is provided with a shoulder, a larger end of the bearing end cover (341) is fixedly connected with a heavy-duty thrust bearing I (342), the other side of the heavy-duty thrust bearing I (342) is fixedly connected with a screw rod (343), one side of the screw rod (343) away from the heavy-duty thrust bearing I (342) is fixedly connected with a heavy-duty thrust bearing II (3415), the other side of the heavy-duty thrust bearing II (3415) is connected with a shoulder of the pile leg center column (345), the screw rod (343) is of a hollow cylinder, the outer side of the cylinder is in threaded connection with a pile shoe (33), three annular bosses are arranged inside the cylinder, the middle annular bosses are mounted with large (interference fit), the two sides of the two-side bearing II (3415) are respectively mounted with a hydraulic motor (3415) through a bearing II (3415), the two-side bearing II (3415) is mounted on the middle of the two-side bearing (3412), the hydraulic motor mounting base (3412) is provided with a multistage special-shaped groove on one side, four shafts are fixedly arranged on the other side of the hydraulic motor mounting base (3412), and are fixedly connected with a first intermediate idler wheel (347), a second intermediate idler wheel (349), a third intermediate idler wheel (3410) and a fourth intermediate idler wheel (3411) respectively, and the first intermediate idler wheel (347), the second intermediate idler wheel (349), the third intermediate idler wheel (3410) and the fourth intermediate idler wheel (3411) are meshed with the large gear ring (346).
2. The emergency safety pile pulling system for a self-elevating wind power installation vessel according to claim 1, wherein: the pile shoe (33) is characterized in that the pile shoe (33) body is a rectangular cylinder, triangular inclined planes with different inclinations are respectively arranged at two ends of the pile shoe, and a plurality of return boss structures are arranged on one sides, away from the pile leg I (34), the pile leg II (35) and the pile leg III (36), of the pile shoe (33).
3. The emergency safety pile pulling system for a self-elevating wind power installation vessel according to claim 1, wherein: the structural composition of the second pile leg (35) and the third pile leg (36) is consistent with that of the first pile leg (34).
4. The emergency safety pile pulling system for a self-elevating wind power installation vessel according to claim 1, wherein: the heavy-load thrust bearing I (342) and the heavy-load thrust bearing II (3415) are respectively arranged in bosses on two sides of the cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311150539.0A CN116876494B (en) | 2023-09-07 | 2023-09-07 | Emergency safety pile pulling system for self-elevating wind power installation ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311150539.0A CN116876494B (en) | 2023-09-07 | 2023-09-07 | Emergency safety pile pulling system for self-elevating wind power installation ship |
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| CN116876494B true CN116876494B (en) | 2023-12-01 |
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| CN207846382U (en) * | 2017-11-03 | 2018-09-11 | 中船重工船舶设计研究中心有限公司 | A kind of detachable shoe of jack-up unit cylinder formula spud leg |
| CN116427400A (en) * | 2023-03-27 | 2023-07-14 | 巨杰科技发展集团股份有限公司 | Pile shoe of self-elevating wind power installation platform and construction method thereof |
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- 2023-09-07 CN CN202311150539.0A patent/CN116876494B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB961493A (en) * | 1962-09-03 | 1964-06-24 | Manitowoc Shipbuilding Inc | Improvements in or relating to vessels |
| CN102418333A (en) * | 2010-09-28 | 2012-04-18 | 中国石油化工集团公司 | Spiral lifting device for lifting self-lifting platform |
| CN102704453A (en) * | 2012-07-05 | 2012-10-03 | 南通中远船务工程有限公司 | Connecting method of spud leg and pile shoe of windmill mounting ship |
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| CN116876494A (en) | 2023-10-13 |
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