CN115744675A - Large member hoisting equipment for offshore shallow water area and hoisting method thereof - Google Patents
Large member hoisting equipment for offshore shallow water area and hoisting method thereof Download PDFInfo
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- CN115744675A CN115744675A CN202211466412.5A CN202211466412A CN115744675A CN 115744675 A CN115744675 A CN 115744675A CN 202211466412 A CN202211466412 A CN 202211466412A CN 115744675 A CN115744675 A CN 115744675A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention discloses a large member hoisting device for an offshore shallow water area and a hoisting method thereof. The invention can smoothly transport large components with larger volume to a construction place on the sea by arranging the translation mechanism, the rail type hydraulic trolley, the sling component, the steel pipe pile, the receiving ship and the marine hoisting ship, can stably hoist the large components, thereby stably and quickly aligning and inserting the steel pipe pile into the steel pipe pile and improving the installation efficiency.
Description
Technical Field
The invention relates to the technical field of hoisting, in particular to a hoisting device and a hoisting method for a large member in an offshore shallow water area.
Background
The offshore booster station is used for collecting all current collecting circuits of the wind power plant, boosting and sending out the collected current, and is an electric energy collecting center and an emergency refuge place of the offshore wind power plant. Pile sinking construction is carried out by using a pile driving barge in advance, a jacket is constructed in a shallow sea water area to serve as a base, four steel pipe piles higher than the sea level are arranged at the top end of the jacket, the offshore booster station is provided with two large components including a main station upper block and an auxiliary station upper block, four steel pipe columns matched with the steel pipe piles are arranged at the bottom end of each large component, the steel pipe columns are inserted into the steel pipe piles and then welded or grouted, and the large components in the shallow sea water area are installed.
The large-scale component is lifted to the position right above the corresponding steel pipe pile through the marine hoisting ship, then the large-scale component is slowly put down until the steel pipe column at the bottom end of the large-scale component enters the steel pipe pile, the joint of the steel pipe column and the steel pipe pile is welded or grouted, and the large-scale component is installed. A crane vessel is also known as a floating crane vessel. The hoisting device is used for hoisting and hoisting operation on water, and is generally non-self-propelled and self-propelled. A crane is mounted on the crane ship. The crane of the crane can rotate, when the crane is used for hoisting extra heavy parts, the two cranes can be used for combined operation, and the hull can be refuted by using a non-self-propelled box deck.
However, in the use process of the existing large member hoisting equipment for offshore shallow water areas, large members with large volumes are difficult to transport, the stability during hoisting is poor, and a large amount of time and effort are needed to align the steel pipe columns and the steel pipe piles, so that the installation efficiency is low.
Disclosure of Invention
The invention aims to provide equipment and a method for hoisting a large-scale component in an offshore shallow water area, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the large member hoisting equipment for the offshore shallow water area comprises a large member, a steel pipe column at the bottom end of the large member, a steel pipe pile which is constructed on the sea, a receiving ship, a marine hoisting ship, a towing wheel and an anchor boat which are used for being bound and towed, and further comprises a translation mechanism, wherein a rail-type hydraulic trolley which is matched with the translation mechanism is arranged on the translation mechanism, a flat support shelf is movably connected onto the rail-type hydraulic trolley and used for supporting and placing the large member on the top end of the flat support shelf, a sling component used for hoisting the large member is hung on the marine hoisting ship, and four lifting lugs are arranged at the top end of the large member, so that four-point hoisting is facilitated.
Furthermore, the translation mechanism comprises a wharf rail arranged on a wharf, the wharf rail is in butt joint with a deck rail arranged on a deck of the receiving ship through a connecting rail arranged on a connecting beam to form a continuous pressure-bearing rail, the wharf rail, the connecting rail and the deck rail are double-row rails matched with the rail type hydraulic trolley, two lifting lugs are arranged on two sides of the top of the connecting beam, semicircular groove-shaped buckling grooves are formed in two ends of the bottom of the connecting beam, one end, close to the connecting beam, of the wharf rail is a first receiving end, one end, close to the connecting beam, of the deck rail is a second receiving end, and the outer walls of the first receiving end and the second receiving end are both provided with semicircular tubular buckling blocks matched with the buckling grooves.
Further, the hoist cable subassembly includes break out, balanced hanging beam, wire rope circle and soft suspender rope circle, marine hoist and mount ship's hanging beam bottom is passed through the wire rope circle with balanced hanging beam connects, balanced hanging beam bottom is passed through soft suspender rope circle with break out and connect, break out with lug one is connected, the break out is provided with four, wherein two the break out is located the front stall, and two in addition the break out is located the back row, and the one-front-back two of homonymy passes through between the wire rope circle balanced hanging beam connects.
Furthermore, a weighing module, a remote control monitoring system and a display are arranged on the rail type hydraulic trolley, the load is displayed on the display, and the rail type hydraulic trolley is remotely controlled to carry, weigh and translate in place.
Furthermore, the marine hoisting ship adopts a four-voyage driving number, and the marine hoisting ship and the receiving ship are non-self-propelled.
The hoisting method of the large member hoisting equipment in the offshore shallow water area comprises the following specific steps:
the method comprises the following steps: loading preparation, wherein a receiving ship is matched with a tugboat and an anchor boat to berth a wharf, the bow part of the receiving ship and a wharf rail are on the same straight line, a connecting beam is installed, the wharf rail and a deck rail are connected together through the connecting rail to form a continuous pressure-bearing rail, two rows of rail type hydraulic trolleys are positioned on rails on two sides of a translation mechanism at the wharf, a flat support shelf is positioned on the two rows of rail type hydraulic trolleys, a large member is positioned on the flat support shelf, the flat support shelf and the hydraulic trolleys support the large member, and the receiving ship is prepared to work for inspection before the trolleys are started;
step two: the large-scale component is horizontally moved into a barge and transfer ship, a rail-type hydraulic trolley is started, oil cylinders in the rail-type hydraulic trolley are sequentially lifted and abutted according to groups, a flat support shelf is synchronously lifted, the large-scale component is separated from a seat pier on the ground, the oil cylinders in the rail-type hydraulic trolley are lifted to a set height, then a fixed rail is adopted, the rail-type hydraulic trolley starts to move along a wharf rail, a connecting rail and a deck rail, stops running after reaching a receiving ship deck booster station stop position, the oil cylinders of the rail-type hydraulic trolley descend, the flat support shelf is stopped at a preset position, the large-scale component is seated, the large-scale component is bound and reinforced, the transportation is convenient, and the barge of the large-scale component is completed; the original path of the rail type hydraulic trolley returns to reset, the translation operation is finished, and a plurality of large-scale components can be translated into the barge transport ship by using the same method within the bearing range of the transport ship;
step three: preparing for transportation, wherein special inspection is carried out on main equipment in the large-scale component before transportation;
step four: carrying the receiving and transporting ship to a target position of a marine installation site, namely the position near a steel pipe pile, by using a tug and an anchor boat to be matched with a binding and dragging mode, wherein the marine hoisting ship is driven to a preset hoisting position and then is positioned, and the receiving and transporting ship drives a large component to enter the operation range of the marine hoisting ship and then is positioned;
step five: lifting on water, removing binding by using an electric saw, controlling a lifting hook assembly of the marine lifting ship to reach the position above the large-scale component, connecting a shackle with a lifting lug I, lifting the large-scale component to a preset height by the marine lifting ship, moving the receiving ship out of the operation range of the marine lifting ship, avoiding interference on lifting hook operation of the marine lifting ship, adjusting the position of the marine lifting ship by receiving a stranded anchor rope, and finally suspending the large-scale component above the steel pipe pile by the lifting hook assembly;
step six: the method comprises the steps of offshore installation, the offshore hoisting ship drives the hook assembly and the large component to descend, the cable rope on the offshore hoisting ship is adjusted and aligned, the steel pipe column at the bottom end of the large component is inserted into the steel pipe pile in an aligning mode, the large component is in place, the large component is hoisted by welding and grouting at the joint of the steel pipe column and the steel pipe pile, the offshore hoisting ship is loosened, workers remove the hook assembly, the offshore hoisting ship drives the offshore hoisting ship to return to the original target position to reset through adjustment of the winding anchor rope, and the subsequent large component is conveniently hoisted in the same mode.
Further, the specific steps of checking before the starting of the trolley in the step one are as follows: the trolley is routinely checked, positioning and arrangement are carried out according to a layout drawing of the rail type hydraulic trolley, whether large reinforcements of a flat support placing frame used are symmetrical to main oil cylinders of the rail type hydraulic trolley or not is checked, the deviation distance is within 9-11cm, corresponding accessories are connected, debugging is carried out, whether the heights of the upper part of the rail type hydraulic trolley and a moving object are on the same horizontal plane or not is confirmed, if the difference is too large, the trolley is repaired by using a wood plate cushion, the heights of all the oil cylinders are ensured to be on the same horizontal plane at the same time, and serious damage and top test to oil seals of the main oil cylinders are avoided.
Further, the special examination in the third step is specifically as follows: the foundation bolts of the large-scale component are reinforced or the small-size channel steel is used for welding and reinforcing the base of the large-scale component, the wired equipment is bundled by cables, all electric box switches return to zero, the electric box door is tightly closed, and the main equipment room door is blocked.
Furthermore, in the fourth step, the bow and the stern of the receiving and transporting ship are thrown into four steel wire anchor positions, and the steel wire anchor positions can be shifted in all directions through the winching anchor rope on the receiving and transporting ship.
Furthermore, the bow and the stern of the offshore hoisting ship are provided with six steel wire anchor positions, and the winching anchor rope on the offshore hoisting ship can be displaced in all directions.
Compared with the prior art, the invention has the following beneficial effects:
the invention enables a tug to carry the receiving ship to a target position of a sea installation site, namely near a steel pipe pile, the sea lifting ship drives into a preset lifting position and then stays, the receiving ship drives a large component to enter an operation range of the sea lifting ship and then stays, the large component with larger volume can be smoothly transported to a sea construction position, the large component can be stably lifted, the steel pipe column is stably and quickly aligned and inserted into the steel pipe pile, the installation efficiency is improved, the wharf rail, the connecting rail and the deck rail can be quickly butted together when needed by arranging the connecting beam, the buckling groove and the buckling block, the double-running rail matched with the rail type hydraulic trolley is formed, the large component is stably and quickly transported from the wharf to the receiving ship in a labor-saving manner, the connecting beam is taken down to avoid blocking other wharf ships to run after transportation is finished, and the stability of the large component during lifting is further improved by arranging the steel wire shackle, the balance lifting beam, the steel wire rope ring and the soft rope ring.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the marine hoist vessel of the present invention;
FIG. 2 is a schematic view of the structure of the vessel of the invention for hoisting large structures;
FIG. 3 is a schematic view of the front two shackles of the present invention;
FIG. 4 is a schematic view of the construction of two back rows of shackles according to the invention;
FIG. 5 is a schematic structural view of the equalizing hanging beam of the present invention;
FIG. 6 is a schematic structural view of the rail-mounted hydraulic trolley of the present invention;
FIG. 7 is a schematic view of the construction of a coupling beam according to the present invention;
FIG. 8 is a schematic view of the configuration of the receiving vessel of the present invention in a target position;
FIG. 9 is a schematic structural diagram of a first lifting lug in the present invention;
FIG. 10 is a schematic view of the structure of the tugboat and the anchor boat of the present invention in cooperation with towing and receiving a ship;
FIG. 11 is a schematic structural view of six wire anchors installed at the bow and stern of the ship according to the present invention;
FIG. 12 is a schematic structural diagram of six wire anchors arranged on the bow and stern of the offshore crane ship;
in the figure: 1. a large component; 2. an oil cylinder; 3. steel pipe piles; 4. a receiving and transporting ship; 5. a marine hoisting vessel; 6. a rail-mounted hydraulic trolley; 7. a flat-support shelf; 8. a dock rail; 9. a connecting beam; 10. connecting a track; 11. a deck rail; 12. buckling the groove; 13. a buckling block; 14. a balance hanging beam; 15. a wire rope loop; 16. a soft sling loop; 17. a tug; 18. anchoring the boat; 19. a first lifting lug; 20. a first loading end; 21. a second loading end; 22. a second lifting lug; 23. and (6) shackle dismounting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution: the hoisting equipment for the large-scale component in the offshore shallow water area comprises a large-scale component 1, a steel pipe column at the bottom end of the large-scale component, a steel pipe pile 3 which is constructed at the sea, a receiving ship 4, an offshore hoisting ship 5, a towing wheel 17 and an anchor boat 18 which are used for binding and dragging, and further comprises a translation mechanism, wherein a rail-type hydraulic trolley 6 which is matched with the translation mechanism is arranged on the translation mechanism, a flat support shelf 7 is movably connected on the rail-type hydraulic trolley 6, the flat support shelf 7 is used for supporting and placing the large-scale component 1 at the top end of the large-scale component, a sling component for hoisting the large-scale component 1 is hung on the offshore hoisting ship 5, four lifting lugs I19 are arranged at the top end of the large-scale component 1 to facilitate four-point hoisting, the translation mechanism comprises a wharf rail 8 arranged on a wharf, the wharf rail 8 is in butt joint with a deck rail 11 arranged on a deck of the receiving ship 4 through a connecting rail 10 arranged on a connecting beam 9 to form a continuous bearable track which can bear pressure, the wharf rail 8, the double-track 8 which is matched with the deck rail 11 arranged on the connecting beam 6, two lifting rails 12 which are arranged on the top end of the connecting beam 9, a buckling ring 12, a buckling ring is arranged at the top end of a buckling ring 12, a buckling ring 12 which is close to a buckling ring of a buckling ring 15, a buckling ring which is arranged on the connecting beam 9 and a buckling ring 12 which is arranged on the connecting beam 9, a buckling ring which is close to a buckling ring 12 which is arranged on the bottom end of a buckling ring which is close to a buckling ring 15, and a buckling ring 15 which is arranged on the connecting beam 9, a buckling ring which is arranged on the bottom end of a buckling ring 12 which is close to the connecting beam 9, and a buckling ring which is arranged on the connecting beam 9, a buckling ring which is arranged on the bottom end of a buckling ring 12 which is arranged on the connecting beam 9, a buckling ring which is arranged on the connecting beam 9, a semicircular connecting beam 9, a buckling ring which is arranged on the connecting beam 9, a buckling ring 12 which is arranged on the connecting beam 9, the bottom end of the balance lifting beam 14 is connected with the shackles 23 through the soft sling rope rings 16, the shackles 23 are connected with the lifting lugs I19, the shackles 23 are provided with four shackles, wherein two shackles 23 are positioned at the front row, the other two shackles 23 are positioned at the rear row, the steel wire rope rings 15 which are positioned at the same side in a front-back manner are connected through the balance lifting beam 14, a weighing module, a remote control monitoring system and a display are arranged on the rail type hydraulic trolley 6, the load is displayed on the display, the remote control is used for carrying, weighing and translating in place, the marine lifting ship 5 adopts a four-towering number, and the marine lifting ship 5 and the receiving ship 4 are non-self-propelled.
The hoisting method of the large member hoisting equipment in the offshore shallow water area comprises the following specific steps:
the method comprises the following steps: loading preparation, wherein a receiving ship 4 is matched with an anchor boat 18 and a tugboat 17 to berth a wharf, so that the bow of the receiving ship 4 and a wharf rail 8 are on the same straight line, a connecting beam 9 is installed, the wharf rail 8 and a deck rail 11 are connected together through a connecting rail 10 to form a continuous pressure-bearing rail, two rows of rail type hydraulic trolleys 6 are positioned on rails on two sides of a translation mechanism at the wharf, a flat support shelf 7 is positioned on the two rows of rail type hydraulic trolleys 6, a large member 1 is positioned on the flat support shelf 7, the flat support shelf 7 and the hydraulic trolleys support the large member 1, and the preparation work is carried out before the trolleys are started for inspection;
step two: the large component 1 is horizontally moved into a barge and carrier ship 4, a rail type hydraulic trolley 6 is started, oil cylinders 2 in the rail type hydraulic trolley 6 are sequentially lifted and abutted according to groups, a flat support shelf 7 is synchronously lifted, the large component 1 is separated from a seat pier on the ground, the oil cylinders 2 in the rail type hydraulic trolley 6 are lifted to a set height and then fixed, the rail type hydraulic trolley 6 starts to move along a wharf rail 8, a connecting rail 10 and a deck rail 11, stops after reaching a stop position of a deck booster station of the barge and carrier ship 4, the hydraulic trolley 2 of the rail type hydraulic trolley 6 is fixed, descends, the flat support shelf 7 is stopped at a preset position, the large component 1 is seated, the large component 1 is bound and reinforced, the transportation is convenient, and the horizontal moving device of the large component 1 is completed; the rail type hydraulic trolley 6 returns to reset in the original way, the translation operation is finished, and a plurality of large components 1 can be translated into the barge transport ship 4 by using the same method within the bearing range of the barge transport ship 4;
step three: carrying out transportation preparation, wherein special inspection is carried out on main equipment in the large-scale component 1 before transportation;
step four: carrying the receiving and transporting ship 4 to a target position of a marine installation site, namely the position near the steel pipe pile 3, by the cooperation of a tug 17 and an anchor boat 18, wherein the marine hoisting ship 5 is driven to a preset hoisting position and then is positioned, and the receiving and transporting ship 4 drives the large component 1 to enter the operation range of the marine hoisting ship 5 and then is positioned;
step five: lifting on water, removing binding by using an electric saw, controlling a lifting hook assembly of the marine lifting ship 5 to reach the position above the large component 1, connecting a shackle 23 with a first lifting lug 19, lifting the large component 1 to a preset height by the marine lifting ship 5, moving the receiving ship 4 out of the operation range of the marine lifting ship 5, avoiding interference in lifting hook operation of the marine lifting ship 5, adjusting the position of the marine lifting ship 5 by retracting a mooring anchor rope, and finally suspending the large component 1 above the steel pipe pile 3 by the lifting hook assembly;
step six: the method comprises the steps of offshore installation, wherein an offshore hoisting ship 5 drives a lifting hook assembly, a large component 1 descends, a cable rope on the offshore hoisting ship 5 is adjusted and aligned, a steel pipe column at the bottom end of the large component 1 is inserted into a steel pipe pile 3 in an aligning mode, the large component 1 is in place, the large component 1 is hoisted by welding and grouting at the joint of the steel pipe column and the steel pipe pile 3, the offshore hoisting ship 5 is loose in hook, a worker removes the lifting hook assembly, the offshore hoisting ship 5 resets at the initial target position by adjusting a winding anchor rope, and subsequent large components 1 can be hoisted similarly.
Particularly, the specific steps of checking before the trolley is started in the first step are as follows: the trolley is routinely checked, positioning and arrangement are carried out according to a layout drawing of the rail type hydraulic trolley 6, whether large reinforcements of a flat support placing frame 7 used for checking are symmetrical to main oil cylinders 2 of the rail type hydraulic trolley 6, the deviation distance is within 9-11cm, corresponding accessories are connected, debugging and confirming whether the heights of the upper part of the rail type hydraulic trolley 6 and a moving object are on the same horizontal plane, if the difference is too large, the trolley is repaired by using a wood plate cushion, the heights of all oil cylinders 2 during the same time are ensured to be on the same horizontal plane as much as possible, serious damage and top trial on oil seals of the main oil cylinders 2 are avoided, and special checking in the third step is specifically as follows: reinforcing foundation bolts of the large-scale component 1 or welding and reinforcing a base of the large-scale component 1 by using small-sized channel steel, binding cables of the wired equipment into bundles, returning all switch boxes to zero, closing switch boxes, locking a main equipment room gate, and in the fourth step, throwing four steel wire anchoring positions at the bow and the stern of the receiving and transporting ship 4, enabling the anchor bolts to be displaced in all directions through the winching anchor ropes on the receiving and transporting ship 4, arranging six steel wire anchoring positions at the stern bow of the marine hoisting ship 5, and enabling the anchor bolts to be displaced in all directions through the winching anchor ropes on the marine hoisting ship 5.
The working principle of the invention is as follows:
referring to the attached drawings 1-12 of the specification, the invention enables a tug 17 to tow and carry the receiving ship 4 to a target position of a marine installation site, namely the position near the steel pipe pile 3, the marine lifting ship 5 to stay after driving into a preset hoisting position, and the receiving ship 4 drives the large component 1 to enter an operation range of the marine lifting ship 5 to stay, so that the large component 1 with larger volume can be smoothly transported to a marine construction position, the large component 1 can be stably lifted, the steel pipe column can be stably and quickly aligned and inserted into the steel pipe pile 3, the installation efficiency is improved, the dock rail 8, the connecting rail 10 and the deck rail 11 can be quickly butted together through arranging the connecting beam 9, the buckling groove 12 and the buckling block 13 when needed, a double-running rail matched with the rail type hydraulic trolley 6 is formed, the large component 1 can be transported from the dock 4 in a labor-saving way, the dock rail 8, the connecting rail 10 and the deck rail 11 can be quickly butted together through arranging the connecting beam 9, the lifting rope ring and the lifting rope ring 16 after transportation, the ship is further lifted, and the stability is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Marine shallow water district large-scale component lifting device, including steel-pipe column, the marine construction of large-scale component (1) and its bottom finish steel-pipe pile (3), ship (4), marine hoist and mount ship (5) and be used for tying up tow tug (17) and anchor boat (18), its characterized in that: still include translation mechanism, be equipped with rail mounted hydraulic trolley (6) of looks adaptation in the translation mechanism, swing joint has flat support rest (7) on rail mounted hydraulic trolley (6), flat support rest (7) are used for supporting to place in its top large-scale component (1), hang on marine hoist and mount ship (5) and be equipped with the hoist cable subassembly that is used for lifting by crane large-scale component (1), large-scale component (1) top is provided with four lugs (19), is convenient for carry out four-point and lifts by crane.
2. The large member hoisting equipment for the offshore shallow water area according to claim 1, characterized in that: the translation mechanism comprises a wharf rail (8) arranged on a wharf, the wharf rail (8) is in butt joint with a deck rail (11) arranged on a deck of the transport ship (4) through a connecting rail (10) arranged on a connecting beam (9) to form a continuous pressure-bearing rail, the wharf rail (8), the connecting rail (10) and the deck rail (11) are double-row rails matched with the rail type hydraulic trolley (6), two lifting lugs (22) are arranged on two sides of the top of the connecting beam (9), semicircular groove-shaped buckling grooves (12) are formed in two ends of the bottom of the connecting beam (9), one end, close to the connecting beam (9), of the wharf rail (8) is a first buckling end (20), one end, close to the connecting beam (9), of the deck rail (11) is a second buckling end (21), and semicircular tubular buckling blocks (13) matched with the buckling grooves (12) are arranged on the outer walls of the first buckling end (20) and the second buckling grooves (21).
3. The offshore shallow water large-scale component hoisting equipment according to claim 1, characterized in that: the hoist cable subassembly includes shackle (23), balanced hanging beam (14), wire rope circle (15) and soft suspender rope circle (16), the hanging beam bottom of marine hoist and mount ship (5) passes through wire rope circle (15) with balanced hanging beam (14) are connected, balanced hanging beam (14) bottom is passed through soft suspender rope circle (16) with shackle (23) are connected, shackle (23) with lug (19) are connected, shackle (23) are provided with four, wherein two shackle (23) are located the front stall, two in addition shackle (23) are located the back row, two behind the one of homonymy pass through between wire rope circle (15) balanced hanging beam (14) are connected.
4. The offshore shallow water large-scale component hoisting equipment according to claim 3, characterized in that: the rail type hydraulic trolley (6) is provided with a weighing module, a remote control monitoring system and a display, the load is displayed on the display, and the rail type hydraulic trolley is remotely controlled to carry, weigh and translate in place.
5. The offshore shallow water large-scale component hoisting equipment according to claim 1, characterized in that: the marine hoisting ship (5) adopts a four-voyage driving number, and the marine hoisting ship (5) and the receiving ship (4) are non-self-propelled.
6. The hoisting method of the hoisting equipment for the large-scale member in the offshore shallow water region according to any one of claims 1 to 5, wherein the hoisting method comprises the following steps: the specific hoisting method comprises the following steps:
the method comprises the following steps: the method comprises the following steps that loading preparation is carried out, a receiving ship (4) is matched with an anchor boat (18) to berth a wharf through a tug (17), the bow of the receiving ship (4) and a wharf rail (8) are on the same straight line, a connecting beam (9) is installed, the wharf rail (8) and a deck rail (11) are connected together through a connecting rail (10) to form a continuous pressure-bearing rail, two rows of rail type hydraulic trolleys (6) are located on rails on two sides of a translation mechanism at the wharf, a flat support shelf (7) is located on the two rows of rail type hydraulic trolleys (6), a large member (1) is located on the flat support shelf (7), the flat support shelf (7) and the hydraulic trolleys support the large member (1), and the operation is prepared before the trolleys are started to carry out inspection;
step two: the large-scale component (1) is seated, the large-scale component (1) is bound and reinforced, the transportation is convenient, and the translation device of the large-scale component (1) is completed; the rail type hydraulic trolley (6) returns to reset in the original way, the translation operation is finished, and a plurality of large-scale components (1) can be translated into the barge transport ship (4) by using the same method within the bearing range of the transport ship (4);
step three: carrying out transportation preparation, wherein special inspection is carried out on main equipment in the large-scale component (1) before transportation;
step four: carrying the receiving and transporting ship (4) to a target position of a marine installation site, namely, near the steel pipe pile (3), by using a tug (17) and an anchor boat (18) to be matched with a binding and dragging mode, driving the marine hoisting ship (5) to a preset hoisting position and then stopping, and driving the large-scale component (1) by the receiving and transporting ship (4) to enter an operation range of the marine hoisting ship (5) and then stopping;
step five: lifting on water, removing binding by using an electric saw, controlling a lifting hook assembly of the marine lifting ship (5) to reach the upper part of the large component (1), connecting a shackle (23) with a first lifting lug (19), lifting the large component (1) to a preset height by the lifting hook of the marine lifting ship (5), moving the receiving ship (4) to be separated from the operation range of the marine lifting ship (5), avoiding interference in lifting hook operation of the marine lifting ship (5), adjusting the position of the marine lifting ship (5) by receiving a stranded anchor rope, and finally suspending the large component (1) above the steel pipe pile (3) by the lifting hook assembly;
step six: the method comprises the steps of offshore installation, the offshore hoisting ship (5) drives a hook assembly, the large component (1) descends, the cable rope on the offshore hoisting ship (5) is adjusted and aligned, the steel pipe column at the bottom end of the large component (1) is inserted into the steel pipe pile (3) in an aligning mode, the large component (1) is in place, the large component (1) is welded at the joint of the steel pipe column and the steel pipe pile (3) and is hoisted in a grouting mode, the offshore hoisting ship (5) is loosened in a hook mode, workers remove the hook assembly, the offshore hoisting ship (5) is adjusted through the retractable anchor rope to drive the offshore hoisting ship (5) to return to the original target position to reset, and the subsequent large component (1) can be hoisted in the same mode conveniently.
7. The hoisting method of the hoisting equipment for the large-scale member in the offshore shallow water region according to claim 6, characterized in that: the specific steps of checking before the trolley is started in the first step are as follows: the trolley is routinely checked, positioning and arrangement are carried out according to a layout drawing of the rail type hydraulic trolley (6), whether large reinforcements of a flat support placing frame (7) are symmetrical to main oil cylinders (2) of the rail type hydraulic trolley (6) or not is checked, the deviation distance is within 9-11cm, corresponding accessories are connected, debugging and confirming whether the heights of the upper part of the rail type hydraulic trolley (6) and a moving object are on the same horizontal plane or not, if the difference is too large, the trolley is repaired by using a wood plate cushion, the heights of all the oil cylinders (2) are ensured to be on the same horizontal plane at the same time, and serious damage and top test on oil seals of the main oil cylinders (2) are avoided.
8. The hoisting method of the hoisting equipment for the large-scale member in the offshore shallow water region according to claim 6, characterized in that: the special examination in the third step is specifically as follows: reinforcing foundation bolts of the large-scale component (1) or welding and reinforcing a base of the large-scale component (1) by using small-sized channel steel, binding cables of the wired equipment into bundles, returning all electric box switches to zero, tightly closing the electric box door and blocking a main equipment room door.
9. The hoisting method of the hoisting equipment for the large-scale member in the offshore shallow water region according to claim 6, characterized in that: in the fourth step, the bow and the stern of the receiving and transporting ship (4) are thrown into four steel wire anchor positions, and the four steel wire anchor positions can be displaced in all directions through the winching anchor ropes on the receiving and transporting ship (4).
10. The hoisting method of the large member hoisting equipment for the offshore shallow water region according to claim 6, characterized in that: the bow and stern of the marine hoisting ship (5) are provided with six steel wire anchoring positions, and the marine hoisting ship (5) can move in all directions by winding and twisting the anchor rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211466412.5A CN115744675A (en) | 2022-11-22 | 2022-11-22 | Large member hoisting equipment for offshore shallow water area and hoisting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211466412.5A CN115744675A (en) | 2022-11-22 | 2022-11-22 | Large member hoisting equipment for offshore shallow water area and hoisting method thereof |
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| CN115744675A true CN115744675A (en) | 2023-03-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117184359A (en) * | 2023-08-07 | 2023-12-08 | 中交第四航务工程局有限公司 | Hoisting method and hoisting equipment assembly for tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117184359A (en) * | 2023-08-07 | 2023-12-08 | 中交第四航务工程局有限公司 | Hoisting method and hoisting equipment assembly for tower |
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