CN117068330A - Offshore photovoltaic piling ship with sliding pile driver and ship moving trolley and use method - Google Patents
Offshore photovoltaic piling ship with sliding pile driver and ship moving trolley and use method Download PDFInfo
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- CN117068330A CN117068330A CN202310833166.0A CN202310833166A CN117068330A CN 117068330 A CN117068330 A CN 117068330A CN 202310833166 A CN202310833166 A CN 202310833166A CN 117068330 A CN117068330 A CN 117068330A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000005284 excitation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- 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
-
- 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
- B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
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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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/08—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability by transfer of solid ballast
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of offshore photovoltaic piling ships, in particular to an offshore photovoltaic piling ship with a sliding pile driver and a ship moving trolley and a use method thereof. The invention comprises a piling ship floating body, and a bow positioning pile and a stern positioning pile which are respectively arranged in front of and behind the piling ship floating body, wherein the piling ship floating body is fixed on a shallow sea area photovoltaic field where a foundation pile to be driven is positioned through the bow positioning pile and the stern positioning pile; the pile driving device is characterized in that a slippage pile driver is arranged on a bow deck of the pile driving ship floating body, a finished foundation pile is formed after the slippage pile driver hammers a foundation pile to be driven, and a ship moving trolley, a longitudinal sliding rail assembly, a movable ballast and a movable sliding rail assembly are further arranged on the pile driving ship floating body. According to the ship technical scheme, the stable displacement and stable piling function is realized through the combination of the sliding pile driver and the ship moving trolley; the device has higher environmental condition adaptability, can resist environmental loads such as wind, waves, currents and the like to a certain extent, has small draft, can avoid bottoming due to the influence of tides in shallow water operation, and greatly improves the safety in the operation process.
Description
Technical Field
The invention relates to the technical field of offshore photovoltaic piling ships, in particular to an offshore photovoltaic piling ship with a sliding pile driver and a ship moving trolley and a use method thereof.
Background
The existing water photovoltaic piling ship consists of a water floating body, a piling machine and a positioning winch. For example, chinese publication No. CN114960740a, a pile foundation fixed support structure, an offshore floating photovoltaic power plant, and a method for installing an offshore floating photovoltaic power plant by means of foundation piles. However, the following problems still remain: (1) The current piling ship is used for large pile foundation construction of wind power, bridges and wharf engineering, the ship body is large in size and deep in draft, and the pile piling ship is not suitable for shallow sea operation; (2) the efficiency of the positioning mode is low: the existing positioning mode of the water piling ship is anchor positioning, the ship body movement cannot be effectively restrained, the anchor is anchored, the anchor throwing ship is required to cooperate, and the operation efficiency is low; and (3) the moving cost in the construction site is high: the moving mode of the currently used water piling ship is that the ship is pulled to move in a mode of being stranded into an anchor cable after being anchored; and (4) pile sinking precision of pile foundation is poor: the general pile driver of the current water pile driving ship can not flexibly adjust the position, and the control difficulty of the pile position centering precision is high; and (5) floating state adjustment: the adjustment of the ship state after the operation process of the current water piling ship is generally controlled by ballast water, and has high requirements on a ballast system and low speed of adjusting the ship state.
Disclosure of Invention
The invention aims to solve the technical problems that: the marine photovoltaic piling ship overcomes the defects of the prior art, and provides a marine photovoltaic piling ship with a sliding pile driver and a ship moving trolley and a use method thereof.
The technical scheme of the invention is as follows:
the marine photovoltaic piling ship comprises a piling ship floating body, and a bow positioning pile and a stern positioning pile which are respectively arranged in front of and behind the piling ship floating body, wherein the piling ship floating body is fixed on a shallow sea area photovoltaic field where a foundation pile to be driven is arranged through the bow positioning pile and the stern positioning pile; the pile driver that slides is installed to pile driver body's bow deck, and pile driver hammering is waited to play the foundation pile and is formed the foundation pile after, still is provided with on the pile driver body and moves ship platform truck, vertical slide rail assembly, removes ballast and removes the slide rail assembly, wherein:
the ship moving trolley is positioned at two sides of the stern of the floating body of the piling ship and is used for pushing the sliding pile driver to the pile to be driven at the next station and controlling the transverse sliding adjustment of the sliding pile driver;
the longitudinal sliding rail assembly is positioned below the ship moving trolley and used for controlling the longitudinal sliding adjustment of the sliding pile driver;
the movable ballast is positioned between the ship moving trolleys at the two sides of the stern and is used for acting relatively to the floating body of the piling ship and counteracting the inclined offset caused by different loads when the floating body of the piling ship lifts and sinks the pile, so that the floating body of the piling ship is always kept in a balanced state;
and the movable slide rail assembly is positioned below the movable ballast and used for controlling the transverse sliding adjustment of the movable ballast.
Preferably, the offshore photovoltaic piling ship comprises the following various states:
in the ship position positioning state, the bow positioning pile and the stern positioning pile are pricked into the seabed in the pile sinking process of the foundation pile to be driven, so as to maintain the stability of the floating body of the piling ship;
in the integral moving state, after a foundation pile is driven to form a finished foundation pile, the bow positioning pile is lifted to be higher than a mud surface, a ship moving trolley pushes a pile driving ship floating body to a next station by taking a stern positioning pile as a fulcrum through a hydraulic cylinder, and after the foundation pile is driven in place, the bow positioning pile sinks and is pricked into a seabed to keep a ship position; the stern positioning pile is lifted to be higher than the mud surface, the ship moving trolley pushes the stern positioning pile to the outer side through the hydraulic cylinder, the stern positioning pile sinks and pricks the seabed after the ship moving trolley is in place, and after the bow positioning pile and the stern positioning pile keep the floating body of the piling ship stable, the pile driving construction to be performed at the next station is started, and the pile driving and pile sinking are performed successively;
centering adjustment state, the sliding pile driver is used for longitudinally fine-tuning and aligning longitudinal coordinates by installing a longitudinal sliding rail assembly below; the ship position is moved along the transverse direction by the ship moving trolley, and the transverse coordinate is found in the transverse fine adjustment;
and in a dynamic balance state, the movable ballast slides transversely and longitudinally through the movable slide rail assembly, moves rapidly along with different driving working conditions of the sliding pile driver, and balances the floating state of the floating body of the pile driving ship.
Preferably, the maximum working flow rate of the floating body design of the piling ship is 1m/s, the maximum working wind speed is 10m/s, and the sense wave height is 1.5m/s; and the profile depth of the floating body of the piling ship is 2.5 meters, and the maximum draft is 0.9 meter, thereby meeting the construction requirements of pile foundations in shallow water.
Preferably, a plurality of piles to be driven are arranged in the shallow water sea area photovoltaic field according to a matrix, and the offshore photovoltaic pile driving ship is moved to the piles to be driven in an integral mode and then is hammered successively until all the piles to be driven in the shallow water sea area photovoltaic field become finished piles.
Preferably, the longitudinal rail assembly comprises a longitudinal rail, a longitudinal rack and pinion mechanism and a longitudinal drive motor, wherein:
the longitudinal sliding rail is erected on a deck of the floating body of the piling ship and is a gear rack mechanism;
the longitudinal gear rack mechanism is respectively meshed with racks of the sliding pile driver and the deck sliding rail and is used for driving the sliding pile driver to move relatively;
the longitudinal driving motor is fixed on the sliding pile driver and is used for driving the longitudinal gear rack mechanism to realize the relative movement among the longitudinal sliding rail assembly, the floating body of the pile driving ship and the sliding pile driver.
Preferably, the mobile slide rail assembly comprises a ballasting tray structure, a bidirectional rack and pinion mechanism, and a bidirectional drive motor, wherein:
the ballast tray structure is erected on a deck of a floating body of the piling ship, and the top of the ballast tray structure is provided with a bidirectional rack and pinion mechanism;
the bidirectional rack and pinion mechanism is meshed with the moving ballast and racks of the floating body deck sliding rail of the piling ship and is used for driving the moving ballast to move transversely and longitudinally;
the bidirectional driving motor is fixed on the ballast tray structure and is used for driving the bidirectional gear rack mechanism to realize the relative movement between the longitudinal slide rail assembly and the movable ballast.
Preferably, grooves are formed in two sides of the stern of the floating body of the piling ship, guide rails are arranged at the edges of the grooves, and sliding blocks are mounted on the guide rails; the device comprises a guide rail, a stern positioning pile, a ship moving trolley, a hydraulic cylinder, a driving device and a driving device, wherein the stern positioning pile and the ship moving trolley are arranged along the guide rail direction; the position of the stern positioning pile is unchanged, and the floating body of the piling ship moves relative to the stern positioning pile under the drive of the contracted ship moving trolley.
Preferably, the pile driving ship floating body is further provided with a compensation control system, the compensation control system is respectively connected with the longitudinal driving motor and the bidirectional driving motor through a frequency converter rectifying module, and the longitudinal driving motor and the bidirectional driving motor are controlled through electric control.
Preferably, the compensation control system has the following five compensation modes: manual compensation mode, active pressure compensation mode, active position compensation mode, passive pressure compensation mode, passive position compensation mode.
The technical scheme of the invention is as follows:
the application method of the offshore photovoltaic piling ship with the sliding pile driver and the ship moving trolley comprises the following steps:
s1, firstly, moving a floating body of a piling ship to a shallow water sea area photovoltaic field where piles to be driven are located, wherein a plurality of piles to be driven are arranged in the shallow water sea area photovoltaic field according to a matrix;
s2, before pile sinking, adjusting the distance between the sliding pile driver and the pile to be driven by a ship moving trolley, and after the sliding pile driver is positioned at the aligned position, inserting a bow positioning pile and a stern positioning pile into the seabed so as to maintain the stability of a floating body of a pile driving ship; the longitudinal position of the sliding pile driver is adjusted again through the longitudinal sliding rail assembly, and the transverse position of the sliding pile driver is adjusted through the ship moving trolley;
s3, when pile sinking, the sliding pile driver moves the ballast to counteract the inclined offset caused by different loads when the pile driving ship floating body lifts and piles are sunk through the moving slide rail assembly in the pile sinking process, so that the pile driving ship floating body is ensured to always maintain a balanced state;
s4, repeating the step S3 until the pile to be driven at the current position forms a finished foundation pile, and starting the next step;
s5, when the trolley is reset, in an integral moving state, after a foundation pile is driven, after a finished foundation pile is formed, the bow positioning pile is lifted to be higher than a mud surface, the ship moving trolley pushes the floating body of the piling ship to a next station by taking the stern positioning pile as a fulcrum through a hydraulic cylinder, and after the foundation pile is driven in place, the bow positioning pile sinks and is pricked into a seabed to keep a ship position;
and S6, when the ship is moved, the stern positioning pile is lifted to be higher than the mud surface, the ship moving trolley pushes the stern positioning pile to the outer side through the hydraulic cylinder, the stern positioning pile sinks and pricks the seabed after the ship is in place, and after the bow positioning pile and the stern positioning pile keep the floating body of the piling ship stable, the pile driving construction is started to perform pile driving to be performed at the next station, and pile driving is performed successively.
Compared with the prior art, the invention has the following beneficial effects:
(1) The construction safety is high: the device has higher environmental condition adaptability, can resist environmental loads such as wind, waves, currents and the like to a certain extent, has small draft, can avoid bottoming due to the influence of tides in shallow water operation, and greatly improves the safety in the operation process;
(2) And the piling efficiency is improved: the piling boat is pushed to move in the field by using the top of the moving slipway, so that the low-efficiency and high-cost operation modes of moving by using an anchor cable tensioning mode in the traditional construction process of anchoring the anchoring boat and the piling boat are avoided; the floating state of the ship is adjusted by using the movable ballast blocks, so that the efficiency is high, and compared with ballast water ballast and discharge capacity, the operation time is effectively saved;
(3) The construction cost is reduced: the anchor throwing boat is prevented from being always matched with a pile driving boat to throw anchors, the anchor throwing boat is not used for auxiliary positioning, in-situ moving and the like, and the use cost of auxiliary ships and equipment is reduced;
(4) The operation flexibility is high, and the precision is high: the ship body has small scale, and can flexibly operate in a field with dense pile foundation arrangement in a shallow water sea area; the sliding pile driver can transversely slide, so that the accuracy of the pile foundation construction position can be effectively controlled; the positioning piles are used for penetrating the seabed to effectively stabilize the ship body, free floating movement of the ship is prevented, and piling precision can be effectively guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a flow schematic of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a view showing a state of use of the ship-moving trolley.
Fig. 4 is a schematic structural view of the ship-moving trolley.
Fig. 5 is a cross-sectional view of the present invention.
Fig. 6 is a state of use diagram of the present invention.
In the figure: 1. piling ship floating body; 11. a groove; 12. a guide rail; 2. a bow positioning pile; 3. a stern positioning pile; 4. a slipping pile driver; 5. a ship moving trolley; 51. a hydraulic cylinder; 52. a hydraulic rod; 53. a slide block; 6. a longitudinal slide rail assembly; 7. moving the ballast; 8. moving the slide rail assembly; 9. finishing the foundation pile; 10. and (5) piling the foundation piles.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Example 1
As shown in fig. 1 to 6, the present embodiment provides an offshore photovoltaic piling ship with a slipping pile driver and a ship moving trolley, which comprises a piling ship floating body 1, and a bow spud 2 and a stern spud 3 respectively installed in front of and behind the piling ship floating body 1, wherein the piling ship floating body 1 is fixed on a shallow sea photovoltaic field where a foundation pile 10 to be driven is located through the bow spud 2 and the stern spud 3; the pile driver 4 is installed on the bow deck of pile driving ship body 1, and pile driving machine 4 hammers to form the finished foundation pile 9 after waiting to drive foundation pile 10, still is provided with on pile driving ship body 1 and moves ship platform truck 5, vertical slide rail assembly 6, removes ballast 7 and removes slide rail assembly 8, wherein:
the ship moving trolley 5 is positioned at two sides of the stern of the floating body 1 of the piling ship, is used for pushing the sliding pile driver 4 to the foundation pile 10 to be driven of the next station, and controls the transverse sliding adjustment of the sliding pile driver 4;
the longitudinal slide rail assembly 6 is positioned below the ship moving trolley 5 and is used for controlling the longitudinal sliding adjustment of the sliding pile driver 4;
the movable ballasts 7 are positioned between the ship moving trolleys 5 at the two sides of the stern and are used for acting relatively to the floating body 1 of the piling ship and counteracting the inclination deviation caused by different loads when the floating body 1 of the piling ship lifts and sinks the pile, so that the floating body 1 of the piling ship is ensured to keep a balanced state all the time;
and the movable slide rail assembly 8 is positioned below the movable ballast 7 and is used for controlling the transverse sliding adjustment of the movable ballast 7.
Preferably, the offshore photovoltaic piling ship comprises the following various states:
in the ship position positioning state, the bow positioning pile 2 and the stern positioning pile 3 are pricked into the seabed in the pile sinking process of the foundation pile 10 to be driven so as to maintain the stability of the floating body 1 of the piling ship;
after the foundation pile 10 is driven to form a finished foundation pile 9, the bow positioning pile 2 and the stern positioning pile 3 are lifted to be higher than a mud surface, the ship moving trolley 5 pushes the pile driving ship floating body 1 to a next station, the bow positioning pile 2 and the stern positioning pile 3 sink and prick into a seabed to keep a ship position after the pile driving is in place, and the foundation pile 10 to be driven at the next station is constructed, and pile driving and pile sinking are sequentially carried out;
in the centering adjustment state, the sliding pile driver 4 is installed with a longitudinal sliding rail assembly 6 below, and longitudinal coordinates are found in the longitudinal fine adjustment; the ship position is moved along the transverse direction by the ship moving trolley 5, and the transverse coordinate is found in the transverse fine adjustment;
in a dynamic balance state, the movable ballast 7 slides transversely and longitudinally through the movable slide rail assembly 8 and moves rapidly along with different driving working conditions of the sliding pile driver 4 so as to balance the floating state of the floating body 1 of the pile driving ship.
Preferably, the maximum working flow rate of the floating body 1 of the piling ship is 1m/s, the maximum working wind speed is 10m/s, and the sense wave height is 1.5m/s; and the profile depth of the pile driving ship floating body 1 is 2.5 meters, and the maximum draft is 0.9 meter, so that the pile foundation construction requirement of the shallow water sea area is met.
Preferably, a plurality of piles to be driven 10 are arranged in the shallow water sea area photovoltaic field according to a matrix, and the offshore photovoltaic pile driving ship is sequentially hammered after integrally moving to the piles to be driven 10 until all the piles to be driven 10 in the shallow water sea area photovoltaic field become finished piles 9.
Preferably, the longitudinal slide rail assembly 6 comprises a longitudinal slide rail, a longitudinal rack and pinion mechanism and a longitudinal driving motor, wherein:
the longitudinal sliding rail is erected on a deck of the floating body 1 of the piling ship and is a gear rack mechanism;
the longitudinal gear rack mechanism is respectively meshed with racks of the sliding pile driver 4 and the deck sliding rail and is used for driving the sliding pile driver 4 to move relatively;
the longitudinal driving motor is fixed on the sliding pile driver and is used for driving the longitudinal gear rack mechanism to realize the relative movement among the longitudinal sliding rail assembly 6, the pile driving ship floating body and the sliding pile driver 4.
Preferably, the moving slide assembly 8 comprises a ballasting tray structure, a bidirectional rack and pinion mechanism, and a bidirectional drive motor, wherein:
the ballast tray structure is erected on a deck of the floating body 1 of the piling ship, and the top of the ballast tray structure is provided with a bidirectional rack and pinion mechanism;
the bidirectional rack and pinion mechanism is meshed with the moving ballast 7 and racks of the deck sliding rail of the floating body 1 of the piling ship and is used for driving the moving ballast 7 to move transversely and longitudinally;
the bidirectional driving motor is fixed on the ballast tray structure and is used for driving the bidirectional rack and pinion mechanism to realize the relative movement between the longitudinal slide rail assembly 6 and the movable ballast 7.
Preferably, as shown in fig. 3 and 4, grooves 11 are formed on two sides of the stern of the floating body 1 of the piling ship, guide rails 12 are formed on the edges of the grooves 11, and sliding blocks 53 are mounted on the guide rails 12; the stern positioning pile 3 and the ship moving trolley 5 are arranged along the direction of the guide rail 12, wherein the stern positioning pile 3 is arranged on the sliding block 53, the hydraulic cylinder 51 of the ship moving trolley 5 is arranged on the floating body 1 of the piling ship, and the hydraulic rod 52 of the ship moving trolley 5 is connected with the stern positioning pile 3 through the sliding block 53; the position of the stern positioning pile 3 is unchanged, and the floating body 1 of the piling ship moves relative to the stern positioning pile 3 under the drive of the contracted ship moving trolley 5.
Preferably, the floating body 1 of the piling ship is further provided with a compensation control system, and the compensation control system is respectively connected with a longitudinal driving motor and a bidirectional driving motor through a frequency converter rectifying module, and the longitudinal driving motor and the bidirectional driving motor are controlled through electric control.
Preferably, the compensation control system has the following five compensation modes: manual compensation mode, active pressure compensation mode, active position compensation mode, passive pressure compensation mode, passive position compensation mode.
In the manual compensation mode, the position sensor and the pressure sensor are used for collecting relevant information of a compensation control system, and the handle is used for driving the longitudinal driving motor and the bidirectional driving motor to carry out reverse compensation, so that the relative constant between the sliding pile driver 4 and the movable ballast 7 is ensured.
An active pressure compensation mode comprising the following steps: utilizing historical data of a compensation control system to establish a prediction model, calculating an output longitudinal driving motor and a bidirectional driving motor according to the difference value between the pressure between the moving ballast 7 fed back in real time and the sliding pile driver 4 and the set target pressure respectively and the pressure change caused by external excitation at the next moment predicted by the prediction model, and utilizing a frequency converter rectification module to actively compensate;
an active position compensation mode comprising the following steps: and (3) establishing a prediction model by utilizing historical data of the compensation control system, calculating the relative position of the gear-rack mechanism and the elongation of the driving motor according to the relative position of the gear-rack mechanism and the deviation between the actual position of the driving motor and the set position which are fed back in real time and the actual position change of the gear-rack mechanism and the driving motor which are caused by the next time predicted by the prediction model, so as to adjust the position of the driving motor in the horizontal direction, and adjusting the driving motor to actively compensate by utilizing a frequency converter rectifying module.
A passive pressure compensation mode comprising the steps of: a prediction model is established by utilizing historical data of a compensation control system, and according to the difference value between the pressure between the real-time feedback mobile ballast 7 and the sliding pile driver 4 and the set target pressure, the torque and the thrust of the longitudinal driving motor and the bidirectional driving motor are calculated and output, so that the inverter rectifying module is utilized to drive the motor to carry out reverse pressure compensation, and the relative constancy between the sliding pile driver 4 and the mobile ballast 7 is ensured; or the gear rack mechanism is utilized to compensate the interaction force in the horizontal plane between the sliding pile driver 4 and the movable ballast 7;
a passive position compensation mode comprising the steps of: a prediction model is established by utilizing historical data of a compensation control system, and according to deviation between the position of a gear-rack mechanism, the position of a movable ballast 7 and the position of a sliding pile driver 4, which are fed back in real time, and a set position, the relative position of the gear-rack mechanism and the elongation of a driving motor are calculated, so that the driving motor is driven by a frequency converter rectifying module to perform position compensation, and the sliding pile driver 4 and the movable ballast 7 are ensured to be kept relatively constant; or simultaneously, the gear rack mechanism is utilized to compensate the relative position change in the horizontal plane between the sliding pile driver 4 and the movable ballast 7.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, the invention provides a use method of an offshore photovoltaic pile driving ship with a sliding pile driver and a ship moving trolley, which comprises the following steps:
s1, firstly, moving a floating body 1 of a piling ship to a shallow water sea area photovoltaic field where piles 10 to be driven are located, wherein a plurality of piles 10 to be driven are arranged in the shallow water sea area photovoltaic field according to a matrix;
s2, before pile sinking, adjusting the distance between the sliding pile driver 4 and the pile to be driven 10 through the ship moving trolley 5, and after the sliding pile driver is in an aligned position, penetrating the bow positioning pile 2 and the stern positioning pile 3 into the seabed so as to maintain the stability of the floating body 1 of the pile driving ship; the longitudinal position of the sliding pile driver 4 is adjusted again through the longitudinal sliding rail assembly 6, and the transverse position of the sliding pile driver 4 is adjusted through the ship moving trolley 5;
s3, during pile sinking, the sliding pile driver 4 counteracts inclination deviation caused by different loads when the pile driving ship floating body 1 lifts and piles are sunk through the sliding rail assembly 8 in the pile sinking process, so that the pile driving ship floating body 1 is ensured to always keep a balanced state;
s4, repeating the step S3 until the foundation pile to be driven 10 at the current position forms a finished foundation pile 9, and starting the next step;
s5, when the trolley is reset, in an integral moving state, after a foundation pile 10 is driven to form a finished foundation pile 9, the bow positioning pile 2 is lifted to be higher than a mud surface, the ship moving trolley 5 pushes the piling ship floating body 1 to a next station by taking the stern positioning pile 3 as a fulcrum through a hydraulic cylinder 51, and after the foundation pile 10 is driven in place, the bow positioning pile 2 sinks and pricks into a seabed to keep a ship position;
and S6, when the ship is moved, the stern positioning pile 3 is lifted to be higher than the mud surface, the ship moving trolley 5 pushes the stern positioning pile 3 to the outer side through the hydraulic cylinder 51, the stern positioning pile 3 is sunk and pricked into the seabed after being in place, and after the bow positioning pile 2 and the stern positioning pile 3 keep the floating body 1 of the piling ship stable, the construction of the foundation pile 10 to be driven of the next station is started, and the piling is carried out by successive hammering.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An offshore photovoltaic piling ship with a sliding pile driver and a ship moving trolley comprises a piling ship floating body (1), and a bow positioning pile (2) and a stern positioning pile (3) which are respectively arranged in front of and behind the piling ship floating body (1), wherein the piling ship floating body (1) is fixed on a shallow sea area photovoltaic field where a foundation pile (10) to be driven is located through the bow positioning pile (2) and the stern positioning pile (3); pile driver (4) is installed on the bow deck of pile driving ship body (1), forms complete foundation pile (9) after pile driver (4) hammering wait to play foundation pile (10), and its characterized in that still is provided with on pile driving ship body (1) and moves ship platform truck (5), vertical slide rail assembly (6), removes ballast (7) and removes slide rail assembly (8), wherein:
the ship moving trolley (5) is positioned at two sides of the stern of the floating body (1) of the piling ship, and is used for pushing the sliding pile driver (4) to the pile to be driven (10) of the next station and controlling the transverse sliding adjustment of the sliding pile driver (4);
the longitudinal sliding rail assembly (6) is positioned below the ship moving trolley (5) and is used for controlling the longitudinal sliding adjustment of the sliding pile driver (4);
the movable ballasts (7) are positioned between the ship moving trolleys (5) at the two sides of the stern and are used for acting relatively to the floating body (1) of the piling ship to offset inclination deviation caused by different loads when the floating body (1) of the piling ship lifts and sinks, so that the floating body (1) of the piling ship is always kept in a balanced state;
and the movable slide rail assembly (8) is positioned below the movable ballast (7) and is used for controlling the transverse sliding adjustment of the movable ballast (7).
2. Offshore photovoltaic piling vessel with a skidding pile driver and a ship moving trolley according to claim 1, wherein the offshore photovoltaic piling vessel comprises the following states:
in a ship position positioning state, the bow positioning pile (2) and the stern positioning pile (3) are pricked into the seabed in the pile sinking process of the pile to be driven (10) so as to maintain the stability of the floating body (1) of the piling ship;
in the integral moving state, after a foundation pile (10) is driven to form a finished foundation pile (9), a bow positioning pile (2) is lifted to be higher than a mud surface, a ship moving trolley (5) uses a stern positioning pile (3) as a fulcrum through a hydraulic cylinder (51), a pile driving ship floating body (1) is pushed to a next station, and after the foundation pile (10) is driven in place, the bow positioning pile (2) sinks and is pricked into a seabed to keep a ship position; the stern positioning pile (3) is lifted to be higher than the mud surface, the ship moving trolley (5) pushes the stern positioning pile (3) to the outer side through the hydraulic cylinder (51), the stern positioning pile (3) sinks and pricks into the seabed after being in place, and after the bow positioning pile (2) and the stern positioning pile (3) keep the floating body (1) of the piling ship stable, the construction of the foundation pile (10) to be driven of the next station is started, and piling and pile sinking are successively carried out;
in a centering adjustment state, the sliding pile driver (4) is used for longitudinally fine-adjusting and finding a longitudinal coordinate by installing a longitudinal sliding rail assembly (6) below; the ship position is moved along the transverse direction by a ship moving trolley (5), and the transverse coordinate is found by the transverse fine adjustment;
and in a dynamic balance state, the movable ballast (7) transversely and longitudinally slides through the movable slide rail assembly (8), and moves rapidly along with different piling working conditions of the sliding pile driver (4) so as to balance the floating state of the floating body (1) of the piling ship.
3. Offshore photovoltaic piling vessel with a slipping pile driver and a ship moving trolley according to claim 1, characterized in that the maximum working flow rate of the pile driving vessel floating body (1) design is 1m/s, the maximum working wind speed is 10m/s, the sense wave height is 1.5m/s; and the profile depth of the pile driving ship floating body (1) is 2.5 meters, and the maximum draft is 0.9 meter, thereby meeting the pile foundation construction requirements of shallow water sea areas.
4. Offshore photovoltaic piling ship with a sliding pile driver and a ship moving trolley according to claim 1, wherein a plurality of foundation piles (10) to be driven are arranged in a matrix in the shallow water sea area photovoltaic field, the whole offshore photovoltaic piling ship is gradually hammered after moving to the foundation piles (10) to be driven until all the foundation piles (10) to be driven in the shallow water sea area photovoltaic field become finished foundation piles (9).
5. Offshore photovoltaic piling vessel with a skidding pile driver and a ship moving trolley according to claim 1, characterized in that the longitudinal rail assembly (6) comprises a longitudinal rail, a longitudinal rack and pinion mechanism and a longitudinal drive motor, wherein:
the longitudinal sliding rail is erected on a deck of the floating body (1) of the piling ship and is a gear rack mechanism;
the longitudinal gear rack mechanism is respectively meshed with racks of the sliding pile driver (4) and a deck sliding rail of the floating body (1) of the pile driving ship and is used for driving the sliding pile driver (4) to move relatively;
the longitudinal driving motor is fixed on the sliding pile driver and is used for driving the longitudinal gear rack mechanism to realize the relative movement among the longitudinal sliding rail assembly (6), the pile driving ship floating body (1) and the sliding pile driver (4).
6. Offshore photovoltaic piling vessel with a skidding pile driver and a ship moving trolley according to claim 1, characterized in that the moving skid assembly (8) comprises a ballasting tray structure, a bi-directional rack and pinion mechanism and a bi-directional drive motor, wherein:
the ballast tray structure is erected on a deck of a floating body (1) of the piling ship, and the top of the ballast tray structure is provided with a bidirectional rack and pinion mechanism;
the bidirectional gear rack mechanism is meshed with the moving ballast (7) and racks of the deck sliding rail and is used for driving the moving ballast (7) to move transversely and longitudinally;
the bidirectional driving motor is fixed on the ballast tray structure and is used for driving the bidirectional gear rack mechanism to realize the relative movement between the longitudinal sliding rail assembly (6) and the movable ballast (7).
7. Offshore photovoltaic piling ship with a sliding pile driver and a ship moving trolley according to claim 1, characterized in that grooves (11) are arranged on two sides of the stern of the piling ship floating body (1), guide rails (12) are arranged on the edges of the grooves (11), and sliding blocks (53) are arranged on the guide rails (12); a stern positioning pile (3) and a ship moving trolley (5) are arranged along the direction of the guide rail (12), wherein the stern positioning pile (3) is arranged on a sliding block (53), a hydraulic cylinder (51) of the ship moving trolley (5) is arranged on a pile driving ship floating body (1), and a hydraulic rod (52) of the ship moving trolley (5) is connected with the stern positioning pile (3) through the sliding block (53); the position of the stern positioning pile (3) is unchanged, and the floating body (1) of the piling ship moves relative to the stern positioning pile (3) under the drive of the contracted ship moving trolley (5).
8. Offshore photovoltaic piling vessel with a slipping pile driver and a ship moving trolley according to claim 6 or 7, characterized in that the piling vessel floating body (1) is further provided with a compensation control system which is connected with a longitudinal driving motor and a bi-directional driving motor respectively through a frequency converter rectifying module, the longitudinal driving motor and the bi-directional driving motor being controlled by electric control.
9. Offshore photovoltaic piling vessel with a skidding pile driver and a ship moving trolley according to claim 8, wherein the compensation control system has the following five compensation modes: manual compensation mode, active pressure compensation mode, active position compensation mode, passive pressure compensation mode, passive position compensation mode.
10. A method of using an offshore photovoltaic piling vessel having a skidding pile driver and a ship moving trolley, employing an offshore photovoltaic piling vessel having a skidding pile driver and a ship moving trolley as claimed in any one of claims 1-9, comprising the steps of:
s1, firstly, moving a floating body (1) of a piling ship to a shallow water sea area photovoltaic field where piles (10) to be driven are located, wherein a plurality of piles (10) to be driven are arranged in the shallow water sea area photovoltaic field according to a matrix;
s2, before pile sinking, adjusting the distance between the sliding pile driver (4) and a pile to be driven (10) through a ship moving trolley (5), and after the sliding pile driver is in an aligned position, pricking a bow positioning pile (2) and a stern positioning pile (3) into the seabed to maintain the stability of a floating body (1) of a piling ship; the longitudinal position of the sliding pile driver (4) is adjusted again through the longitudinal sliding rail assembly (6), and the transverse position of the sliding pile driver (4) is adjusted by utilizing the ship moving trolley (5);
s3, during pile sinking, the sliding pile driver (4) counteracts inclination deviation caused by different loads when the pile driving ship floating body (1) is lifted and driven through the movable sliding rail assembly (8) in the pile sinking process, so that the pile driving ship floating body (1) is ensured to be always kept in a balanced state;
s4, repeating the step S3 until the foundation pile (10) to be driven at the current position forms a finished foundation pile (9), and starting the next step;
s5, in the ship moving process, in the whole moving state, after a foundation pile (10) is driven to form a finished foundation pile (9), the bow positioning pile (2) is lifted to be higher than the mud surface, the ship moving trolley (5) uses the stern positioning pile (3) as a fulcrum through a hydraulic cylinder (51), the piling ship floating body (1) is pushed to a next station, and after the foundation pile (10) is driven in place, the bow positioning pile (2) is sunk into the seabed to keep the ship position;
s6, when the trolley is reset, the stern positioning pile (3) is lifted to be higher than the mud surface, the ship moving trolley (5) pushes the stern positioning pile (3) to the outer side through the hydraulic cylinder (51), the stern positioning pile (3) sinks to prick the seabed after being in place, and after the bow positioning pile (2) and the stern positioning pile (3) keep the floating body (1) of the piling ship stable, the construction of the foundation pile (10) to be driven of the next station is started, and piling is carried out by hammering successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310833166.0A CN117068330A (en) | 2023-07-07 | 2023-07-07 | Offshore photovoltaic piling ship with sliding pile driver and ship moving trolley and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310833166.0A CN117068330A (en) | 2023-07-07 | 2023-07-07 | Offshore photovoltaic piling ship with sliding pile driver and ship moving trolley and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117068330A true CN117068330A (en) | 2023-11-17 |
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ID=88710404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310833166.0A Pending CN117068330A (en) | 2023-07-07 | 2023-07-07 | Offshore photovoltaic piling ship with sliding pile driver and ship moving trolley and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117068330A (en) |
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2023
- 2023-07-07 CN CN202310833166.0A patent/CN117068330A/en active Pending
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