CN113957892B - Pile sinking construction equipment and technology for semi-submersible crane ship - Google Patents
Pile sinking construction equipment and technology for semi-submersible crane ship Download PDFInfo
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- CN113957892B CN113957892B CN202111417242.7A CN202111417242A CN113957892B CN 113957892 B CN113957892 B CN 113957892B CN 202111417242 A CN202111417242 A CN 202111417242A CN 113957892 B CN113957892 B CN 113957892B
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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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
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
- E02D7/16—Scaffolds or supports for drivers
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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
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Abstract
The invention discloses a pile sinking construction system and a pile sinking construction process for a semi-submersible crane ship, wherein the pile sinking construction system comprises a pile stabilizing platform, a pile stabilizing platform base, a compensator and a steel pipe pile; pile stabilizing platform bases are symmetrically and vertically arranged on the port and the starboard of one side surface of the semi-submersible crane ship close to the first crane at intervals, each pile stabilizing platform base is of a right-angled triangular truss structure, and a truss opening is formed between the two pile stabilizing platform bases; a plurality of compensators are sequentially horizontally arranged on one side, close to the truss opening, of the upper surface of each pile stabilizing platform base along the length direction of the pile stabilizing platform base at intervals, the adjusting end of each compensator is arranged towards the truss opening, and the pile stabilizing platform is horizontally arranged on the compensator; the steel pipe pile is placed on a deck of the semi-submersible crane ship in a suspended mode through the support, and the double cranes of the first crane and the second crane are in cross fit to sequentially conduct pile stabilizing platform positioning, steel pipe pile sinking and pile stabilizing platform recovery operation. The invention realizes the cross operation of the double cranes, and the work efficiency is doubled.
Description
Technical Field
The invention relates to the field of offshore wind power, in particular to pile sinking construction equipment and technology for a semi-submersible crane ship.
Background
The existing semi-submersible crane ship cannot carry a truss type pile stabilizing platform, and a transport ship needs to be additionally put into the crane ship to carry the pile stabilizing platform, so that the junction point of the operation surface is complex, and the work efficiency is low; in addition, the existing semi-submersible crane ship does not have the transportation and cargo transfer capacity of a plurality of steel pipe piles, and continuous operation cannot be realized. Therefore, the above problems need to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing pile sinking construction equipment and process for a semi-submersible crane ship.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention discloses pile sinking construction equipment for a semi-submersible crane ship, which has the innovation points that: the pile stabilizing system comprises a pile stabilizing platform, a pile stabilizing platform base, a compensator and a steel pipe pile; a first crane and a second crane are symmetrically arranged on the left and right sides of the upper surface of the semi-submersible crane ship, pile stabilizing platform bases are symmetrically and vertically arranged on one side surface of the semi-submersible crane ship close to the first crane at intervals on the left and right sides, each pile stabilizing platform base is of a right-angled triangular truss structure, and a truss opening is formed between the two pile stabilizing platform bases; a plurality of compensators are sequentially horizontally arranged on one side, close to the truss opening, of the upper surface of each pile stabilizing platform base along the length direction of the pile stabilizing platform base at intervals, the adjusting end of each compensator is arranged towards the truss opening, and the pile stabilizing platform is horizontally arranged on the compensator; the steel pipe pile is suspended on a deck of the semi-submersible crane ship through a support, and the pile stabilizing platform positioning, the steel pipe pile sinking and the pile stabilizing platform recovery operation are sequentially carried out through the cross matching of double cranes of the first crane and the second crane;
each compensator comprises a compensator shell, a transverse compensation cylinder, a longitudinal compensation cylinder, an upper sliding rail, a lower sliding rail, an electromagnet, a supporting block, a first rotating bracket and a second rotating bracket; each compensator shell is horizontally arranged along the port and starboard direction of the semi-submersible crane ship, and a first rotating support and a second rotating support are vertically arranged at intervals at two ends of the lower surface of each compensator shell; each first rotating support is arranged on one side far away from the truss opening, the lower end of each first rotating support is vertically and fixedly connected with the corresponding position of the upper surface of the pile stabilizing platform base, and the upper end of each first rotating support is vertically hinged with the corresponding position of the lower surface of the compensator shell; each second rotating support is arranged on one side close to the truss opening, the lower end of each second rotating support is vertically hinged to the corresponding position of the upper surface of the pile stabilizing platform base, the upper end of each second rotating support is abutted against and attached to the corresponding position of the lower surface of the compensator shell, and the corresponding compensator shell is horizontally supported; the rotation direction of each compensator shell and the rotation direction of each second rotating bracket vertically rotate along the port and starboard direction of the semi-submersible crane ship; a transverse compensation cylinder is coaxially sleeved in each compensator shell, and the movable end of each transverse compensation cylinder vertically extends out of the corresponding compensator shell towards the direction of the truss opening and is coaxially and fixedly connected with the corresponding supporting block; an upper slide rail and a lower slide rail are horizontally attached to the upper side and the lower side of the movable end of each transverse compensation cylinder along the length direction of the movable end, the movable end of each transverse compensation cylinder is horizontally and slidably connected with the corresponding compensator shell through the upper slide rail and the lower slide rail respectively, and the corresponding support block is vertically and stably reinforced; an electromagnet is horizontally attached to the upper surface of each supporting block, the pile stabilizing platform is horizontally placed on all the electromagnets, and the transverse positioning adjustment is carried out on the pile stabilizing platform through a transverse compensation cylinder;
a longitudinal compensation cylinder is vertically arranged on one side, close to the second rotating support, of the lower surface of each compensator shell, each longitudinal compensation cylinder is arranged close to the corresponding second rotating support, the fixed end of each longitudinal compensation cylinder is vertically and fixedly connected with the corresponding position of the upper surface of the pile stabilizing platform base, and the movable end of each longitudinal compensation cylinder is vertically and upwards arranged and is tightly abutted to the corresponding position of the lower surface of the corresponding compensator shell; and the pile stabilizing platform is longitudinally positioned and adjusted by matching the longitudinal compensation cylinder with the second rotating bracket.
Preferably, a square area surrounded by four positioning piles of the pile stabilizing platform is within the coverage range of the truss opening, and the pile stabilizing platform base is ensured not to interfere with the positioning of the pile stabilizing platform.
Preferably, the steel pipe piles are horizontally arranged in parallel at intervals in sequence, and each steel pipe pile is horizontally obliquely suspended on a deck of the semi-submersible crane ship through a support; the upper lifting lug of each steel pipe pile is arranged close to the first crane, and the included angle between the upper lifting lug and the port and starboard direction of the semi-submersible crane ship is 30 degrees.
Preferably, the steel pipe pile transport device comprises an upper top plate, a lower bottom plate, a first oil cylinder, a second oil cylinder, a first support rod, a second support rod, a steel pipe pile base and rollers; the upper top plate and the lower bottom plate are horizontally arranged in parallel at an interval from top to bottom, and a first support rod and a second support rod are respectively arranged at four right angles between the upper top plate and the lower bottom plate; each first supporting rod and each second supporting rod are of rectangular structures, and each adjacent first supporting rod and each adjacent second supporting rod are hinged in an X shape by taking a fulcrum as an axis; the upper edge of each first support rod and the upper edge of each second support rod are arranged on the same horizontal plane, and the lower edge of each first support rod and the lower edge of each second support rod are arranged on the same horizontal plane; first oil cylinders are symmetrically embedded at four right angles inside the upper top plate, and the arrangement direction of each first oil cylinder is consistent with the rotation direction of the corresponding first support rod and the second support rod; second oil cylinders are symmetrically embedded at four right angles inside the lower bottom plate, and the arrangement direction of each second oil cylinder is consistent with the rotation direction of the corresponding first support rod and the second support rod; the upper end of each first support rod is vertically hinged with the movable end of the corresponding first oil cylinder, and the lower end of each first support rod is vertically hinged with the movable end of the corresponding second oil cylinder; the upper end of each second support rod is vertically hinged with the fixed end corresponding to the first oil cylinder, and the lower end of each second support rod is vertically hinged with the fixed end corresponding to the second oil cylinder; the upper top plate and the lower bottom plate do not interfere with the vertical rotation of each first support rod and each second support rod respectively, and the upper top plate is driven by the first oil cylinder and the second oil cylinder to perform lifting adjustment through the mutual rotation of the first support rods and the second support rods; the lower surface of the lower bottom plate is sequentially provided with a plurality of idler wheels at intervals along the advancing direction, the upper surface of the upper top plate is also provided with steel pipe pile bases in a bilateral symmetry mode, the lower end of each steel pipe pile bottom plate is vertically hinged with the upper top plate, an arc-shaped groove matched with the steel pipe pile is embedded in the middle of the upper end of each steel pipe pile bottom plate, and the steel pipe pile is supported through the arc-shaped groove.
Preferably, when the steel pipe pile base rotates to the horizontal state and the upper top plate is at the lowest height, the height of the steel pipe pile conveyor is smaller than the distance between the steel pipe pile and the deck of the semi-submersible crane ship.
Preferably, the system further comprises an inclinometer attitude sensor and a travel recorder; an inclinometer attitude sensor is arranged at a flange above a hammer cap of the pile driving hammer, a stroke recorder is further arranged at a tap on the upper surface of the pile stabilizing platform, and the steel pipe pile sinking is subjected to perpendicularity correction through cooperation of the inclinometer attitude sensor and the stroke recorder.
Preferably, the device also comprises a first steel wire rope, a hanging beam, a second steel wire rope, a tail sliding C-shaped clamp and a third steel wire rope; the first crane is connected with the upper end of the horizontally arranged lifting beam through a first steel wire rope, and the lower end of the lifting beam is connected with the horizontally arranged upper lifting lug corresponding to the steel pipe pile through a second steel wire rope; the sliding tail C-shaped clamp is clamped at an upper port corresponding to one side, far away from the upper lifting lug, of the steel pipe pile and is connected with the first crane through a third steel wire rope; under the drive of a first crane, the steel pipe pile horizontally moves through the matching use of the upper lifting lug and the tail sliding C-shaped clamp.
The invention discloses a pile sinking construction process of a semi-submersible crane ship, which is characterized by comprising the following steps of:
the method comprises the following steps: firstly, horizontally suspending a steel pipe pile through a support and obliquely placing the steel pipe pile on a deck of a semi-submersible crane ship, then retracting the movable end of a longitudinal compensation cylinder, enabling a second rotary support to support a compensator shell, placing a pile stabilizing platform on an electromagnet, and then entering the semi-submersible crane ship;
step two: after the semi-submersible crane ship moves to a construction position, positioning, extending out the movable end of the longitudinal compensation cylinder, jacking the compensator shell, turning over the second rotary support to a horizontal state, and performing transverse and longitudinal positioning adjustment on the pile stabilizing platform through the cooperation of the transverse compensation cylinder and the longitudinal compensation cylinder to ensure the horizontal positioning of the pile stabilizing platform;
step three: then a second crane lifts the vibration hammer to sequentially drive four positioning piles of the pile stabilizing platform, after the pile stabilizing platform is positioned, the semi-submersible crane ship moves to enable the pile stabilizing platform to withdraw from the truss opening, and then the semi-submersible crane ship is positioned again;
step four: then the steel pipe pile transporter moves to the position below the steel pipe pile, the steel pipe pile base is rotated to the vertical state, the steel pipe pile is supported in the arc-shaped groove of the steel pipe pile, then the upper top plate ascends under the driving of the first oil cylinder and the second oil cylinder through the mutual rotation of the first support rod and the second support rod, the steel pipe pile is jacked up and separated from a support of the steel pipe pile, and the steel pipe pile is moved to the position of a lifting hook of a first crane through the steel pipe pile transporter for hoisting;
step five: then, sequentially hoisting the steel pipe piles by a first crane, and horizontally moving the steel pipe piles to the sea level by matching the upper lifting lugs with the sliding tail C-shaped clamp; then the C-shaped fixture of the tail chute is dismounted through a winch or an anchor boat, one end of the steel pipe pile, far away from the upper lifting lug, is directly contacted with the sea level, and then the steel pipe pile is turned over through a single-hook crane;
step six: then the first crane moves the steel pipe pile to a U-shaped opening of the pile stabilizing platform, and positioning is carried out through a hydraulic oil cylinder on the pile stabilizing platform; meanwhile, the second crane lifts the pile hammer to press and sink the pile; in the process, the verticality correction is carried out on the steel pipe pile sinking through the matching use of an inclinometer attitude sensor and a stroke recorder;
step seven: after the steel pipe pile is sunk, the second crane recovers the pile driving hammer, and meanwhile, the first crane recovers the pile stabilizing platform and places the pile stabilizing platform on the electromagnet again; and then the semi-submersible crane ship leaves the field.
The invention has the beneficial effects that:
(1) the special pile stabilizing platform and the pile stabilizing platform base are arranged and matched with a single-hook turnover steel pipe pile process, so that the cross operation of double cranes is realized, and the work efficiency is doubled compared with that of the traditional semi-submersible crane ship;
(2) the semi-submersible crane ship has the transportation capacity of a plurality of steel pipe piles by arranging the steel pipe pile transporters, so that a deck of the semi-submersible crane ship has the steel pipe pile allocation performance;
(3) according to the invention, the compensator is arranged, so that the positioning effect of the pile stabilizing platform is improved, and the construction quality is greatly improved;
(4) the invention ensures the pile sinking construction quality of the steel pipe pile by matching the attitude sensor of the inclinometer and the travel recorder.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the pile sinking construction equipment of the semi-submersible crane ship.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural diagram of the compensator in fig. 1.
Fig. 4 is a schematic view of the positioning of the pile-stabilizing platform of the present invention.
Fig. 5 is a schematic view of the exit truss opening of the pile stabilizing platform.
Fig. 6 is a schematic view of pile sinking of the steel pipe pile according to the present invention.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a schematic view of the first crane in fig. 6 lifting the steel pipe pile.
Fig. 9 is a side view of fig. 8.
Fig. 10 is a schematic view of the first crane in fig. 6 turning over the steel pipe pile.
Fig. 11 is a schematic diagram of the piling hammer of fig. 6.
Fig. 12 is a schematic view of pile stabilization platform recovery according to the present invention.
Fig. 13 is a top view of fig. 12.
Fig. 14 is a schematic structural view of the steel pipe pile conveyer in fig. 1.
Fig. 15 is a side view of fig. 14.
Wherein, 1-a semi-submersible crane ship; 2-pile stabilizing platform; 3-pile stabilizing platform base; 4-positioning the pile; 5-a first crane; 6-a second crane; 7-a compensator; 8-a vibratory hammer; 9-a pile hammer; 10-steel pipe pile; 11-a first steel cord; 12-a hanging beam; 13-a second wire rope; 14-upper lifting lug; 15-tail slipping C-shaped clamp; 16-a third wire rope; 17-an inclinometer attitude sensor; 18-a trip recorder; 19-upper top plate; 20-a lower bottom plate; 21-a first oil cylinder; 22-a second cylinder; 23-a first brace bar; 24-a second brace bar; 25-a steel pipe pile base; 26-a roller; 71-compensator housing; 72-lateral compensation cylinder; 73-upper slide rail; 74-lower slide rail; 75-an electromagnet; 76-a support block; 77-longitudinal compensation cylinder; 78-a first rotating support; 79-second rotating support.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
The invention relates to pile sinking construction equipment of a semi-submersible crane ship, which comprises a pile stabilizing platform 2, a pile stabilizing platform base 3, a compensator 7 and a steel pipe pile 10, wherein the pile stabilizing platform base is fixedly connected with the pile stabilizing platform base; the concrete structure is as shown in fig. 1 and fig. 2, a first crane 5 and a second crane 6 are symmetrically arranged on the port and the starboard on one side of the upper surface of a semi-submersible crane ship 1, pile stabilizing platform bases 3 are symmetrically and vertically arranged on one side surface of the semi-submersible crane ship 1 close to the first crane 5 on the port and the starboard at intervals, each pile stabilizing platform base 3 is of a right-angled triangular truss structure, and a truss opening is formed between the two pile stabilizing platform bases 3; the upper surface of each pile stabilizing platform base 3 is close to truss mouth one side and still is equipped with several compensator 7 along its length direction level in proper order at interval, and the regulation end of each compensator 7 all sets up towards truss mouth direction, and pile stabilizing platform 2 level is placed on compensator 7. The square area enclosed by the four positioning piles 4 of the pile stabilizing platform 2 is within the coverage range of the truss opening, and the pile stabilizing platform base 3 is ensured not to interfere with the positioning of the pile stabilizing platform 2.
Each compensator 7 comprises a compensator shell 71, a transverse compensation cylinder 72, an upper sliding rail 73, a lower sliding rail 74, an electromagnet 75, a supporting block 76, a first rotating bracket 78 and a second rotating bracket 79; as shown in fig. 2 and 3, each compensator casing 71 is horizontally arranged along the port and starboard direction of the semi-submersible crane ship 1, and a first rotating bracket 78 and a second rotating bracket 79 are vertically arranged at intervals at both ends of the lower surface; each first rotating bracket 78 is arranged on one side far away from the truss opening, the lower end of each first rotating bracket 78 is vertically and fixedly connected with the corresponding position of the upper surface of the corresponding pile stabilizing platform base 3, and the upper end of each first rotating bracket 78 is vertically hinged with the corresponding position of the lower surface of the corresponding compensator shell 71; each second rotating bracket 79 is arranged on one side close to the truss opening, the lower end of each second rotating bracket 79 is vertically hinged with the corresponding position of the upper surface of the corresponding pile stabilizing platform base 3, the upper end of each second rotating bracket 79 is tightly abutted with the corresponding position of the lower surface of the corresponding compensator shell 71, and the corresponding compensator shell 71 is horizontally supported; wherein, the rotation direction of each compensator 7 shell and the rotation direction of each second rotating bracket 79 both vertically rotate along the port and starboard directions of the semi-submersible crane ship 1;
as shown in fig. 2 and 3, a transverse compensation cylinder 72 is coaxially sleeved in each compensator housing 71, and the movable end of each transverse compensation cylinder 72 vertically extends out of the corresponding compensator housing 71 towards the direction of the truss opening and is coaxially and fixedly connected with the corresponding support block 76; an upper slide rail 73 and a lower slide rail 74 are respectively and horizontally attached to the upper side and the lower side of the movable end of each transverse compensation cylinder 72 along the length direction of the movable end, the movable end of each transverse compensation cylinder 72 is respectively and horizontally slidably connected with the corresponding compensator shell 71 through the upper slide rail 73 and the lower slide rail 74, and the corresponding support block 76 is respectively and stably reinforced in the vertical direction; an electromagnet 75 is horizontally attached to the upper surface of each supporting block 76, the pile stabilizing platform 2 is horizontally placed on all the electromagnets 75, and the transverse compensation air cylinder 72 is used for carrying out transverse positioning adjustment on the pile stabilizing platform 2;
as shown in fig. 2 and 3, a longitudinal compensation cylinder 77 is vertically disposed on one side of the lower surface of each compensator casing 71, which is close to the second rotating bracket 79, each longitudinal compensation cylinder 77 is respectively and closely disposed to the corresponding second rotating bracket 79, a fixed end of each longitudinal compensation cylinder is respectively and vertically and fixedly connected to the corresponding position of the upper surface of the corresponding pile stabilizing platform base 3, and a movable end of each longitudinal compensation cylinder 77 is respectively and vertically disposed upward and closely attached to the corresponding position of the lower surface of the corresponding compensator casing 71; the invention carries out longitudinal positioning adjustment on the pile stabilizing platform 2 by matching the longitudinal compensation cylinder 77 with the second rotating bracket 79. When the semi-submersible crane ship 1 is in a traveling state, the movable end of the longitudinal compensation cylinder 77 retracts, so that the second rotating bracket 79 supports the compensator casing 71, and the longitudinal compensation cylinder 77 is prevented from being damaged by bumping of the semi-submersible crane ship 1 in the traveling process; when the pile stabilizing platform 2 needs to be positioned, the movable end of the longitudinal compensation cylinder 77 extends out, the compensator shell 71 is jacked up, then the second rotating bracket 79 is turned over to be in a horizontal state, and the pile stabilizing platform 2 can be positioned and adjusted transversely and longitudinally through the cooperation of the transverse compensation cylinder 72 and the longitudinal compensation cylinder 77, so that the horizontal positioning of the pile stabilizing platform 2 is ensured. In the invention, because the pile stabilizing platform 2 is heavy in weight and large in friction force, the stability of the pile stabilizing platform 2 placed on the pile stabilizing platform base 3 can be ensured by the electromagnet 75.
According to the invention, a plurality of steel pipe piles 10 are sequentially arranged horizontally and parallelly at intervals, and each steel pipe pile 10 is horizontally and obliquely suspended on a deck of a semi-submersible crane ship 1 through a bracket; as shown in fig. 1 and 2, an upper lifting lug 14 of each steel pipe pile 10 is arranged close to the first crane 5, and the included angle between the upper lifting lug 14 and the port-starboard direction of the semi-submersible crane ship 1 is 30 degrees; therefore, the positioning of the pile stabilizing platform 2, the pile sinking of the steel pipe pile 10 and the recovery operation of the pile stabilizing platform 2 are sequentially carried out through the cross matching of the double cranes of the first crane 5 and the second crane 6; the steel pipe pile transporter comprises an upper top plate 19, a lower bottom plate 20, a first oil cylinder 21, a second oil cylinder 22, a first support rod 23, a second support rod 24, a steel pipe pile base 25 and a roller 26; as shown in fig. 14 and 15, the upper top plate 19 and the lower bottom plate 20 are horizontally arranged in parallel at an interval from top to bottom, and a first stay bar 23 and a second stay bar 24 are further respectively arranged at four right angles between the upper top plate and the lower bottom plate; each first stay bar 23 and each second stay bar 24 are rectangular structures, and each adjacent first stay bar 23 and each adjacent second stay bar 24 are hinged in an X shape by taking a fulcrum as an axis; the upper edge of each first support rod 23 and the upper edge of each second support rod 24 are arranged on the same horizontal plane, and the lower edge of each first support rod 23 and the lower edge of each second support rod 24 are arranged on the same horizontal plane; first oil cylinders 21 are symmetrically embedded at four right angles in the upper top plate 19, and the arrangement direction of each first oil cylinder 21 is consistent with the rotation direction of the corresponding first support rod 23 and the second support rod 24; second oil cylinders 22 are symmetrically embedded at four right angles inside the lower bottom plate 20, and the arrangement direction of each second oil cylinder 22 is consistent with the rotation direction of the corresponding first brace 23 and the corresponding second brace 24; according to the invention, the steel pipe pile 10 is obliquely suspended on the deck of the semi-submersible crane ship 1, so that the first crane 5 can conveniently lift.
As shown in fig. 14 and 15, the upper end of each first stay 23 is vertically hinged to the movable end of the corresponding first cylinder 21, and the lower end thereof is vertically hinged to the movable end of the corresponding second cylinder 22; the upper end of each second support rod 24 is vertically hinged with the fixed end of the corresponding first oil cylinder 21, and the lower end of each second support rod is vertically hinged with the fixed end of the corresponding second oil cylinder 22; wherein the upper top plate 19 and the lower bottom plate 20 do not interfere with the vertical rotation of each first stay bar 23 and each second stay bar 24; the invention is driven by a first oil cylinder 21 and a second oil cylinder 22, and an upper top plate 19 is lifted and lowered through the mutual rotation of a first support rod 23 and a second support rod 24;
as shown in fig. 14 and 15, a plurality of rollers 26 are further sequentially arranged on the lower surface of the lower bottom plate 20 at intervals along the advancing direction, steel pipe pile bases 25 are further symmetrically arranged on the upper surface of the upper top plate 19 in a bilateral and vertical manner, the lower end of the bottom plate of each steel pipe pile 10 is vertically hinged to the upper top plate 19, an arc-shaped groove matched with the steel pipe pile 10 is further embedded in the middle position of the upper end of the bottom plate, and the steel pipe pile 10 is supported through the arc-shaped groove; wherein, when the steel pipe pile base 25 rotates to the horizontal state, and the upper top plate 19 is at the lowest height, the height of the steel pipe pile transporter is less than the distance between the steel pipe pile 10 and the deck of the semi-submersible crane ship 1, so that the steel pipe pile transporter can move to the position below the steel pipe pile 10, then the steel pipe pile base 25 rotates to the vertical state, and supports the steel pipe pile 10 in the arc-shaped groove, then under the driving of the first oil cylinder 21 and the second oil cylinder 22, the upper top plate 19 ascends through the mutual rotation of the first support rod 23 and the second support rod 24, and the steel pipe pile 10 is jacked and separated from the support, so that the steel pipe pile 10 can be lifted by moving to the first crane 5 through the steel pipe pile transporter. According to the invention, the steel pipe pile transporter is arranged, so that the semi-submersible crane ship 1 has the transportation capacity of a plurality of steel pipe piles 10, and the deck of the semi-submersible crane ship 1 has the steel pipe pile 10 allocation performance; in addition, a conventional steel pipe pile 10 carrier may be used to assist the construction work.
As shown in fig. 11, an inclinometer attitude sensor 17 is arranged at a flange above a hammer cap of the pile driving hammer 9, a stroke recorder 18 is further arranged at a tap on the upper surface of the pile stabilizing platform 2, and the steel pipe pile 10 is subjected to verticality correction through the cooperation of the inclinometer attitude sensor 17 and the stroke recorder 18. Before the device is used, the inclinometer attitude sensor 17 needs to be calibrated to zero, four-point relative height difference is transmitted back in real time in the piling process of the steel pipe pile 10, the height difference value is transmitted to the hydraulic module control unit of the pile stabilizing platform 2, and automatic righting can be carried out through the hydraulic oil cylinder of the pile stabilizing platform 2. Generally, when the verticality of the steel pipe pile 10 exceeds 2 per mill, the verticality needs to be corrected.
According to the invention, a first crane 5 is connected with the upper end of a horizontally arranged lifting beam 12 through a first steel wire rope 11, and the lower end of the lifting beam 12 is connected with an upper lifting lug 14 of a horizontally arranged corresponding steel pipe pile 10 through a second steel wire rope 13; as shown in fig. 8-10, the tail-slipping C-shaped clamp 15 is clamped at the upper port corresponding to the side of the steel pipe pile 10 far away from the upper lifting lug 14, and is connected with the first crane 5 through a third steel wire rope 16; the invention is driven by a first crane 5, and a steel pipe pile 10 horizontally moves through the matching use of an upper lifting lug 14 and a tail sliding C-shaped clamp 15; when the steel pipe pile 10 needs to be turned over, the sliding tail C-shaped clamp 15 is dismounted through a winch or an anchor boat, so that one end, far away from the upper lifting lug 14, of the steel pipe pile 10 is directly contacted with the sea level, and then the steel pipe pile 10 can be turned over through the first crane 5.
The invention discloses a pile sinking construction process of a semi-submersible crane ship, which comprises the following steps as shown in figures 1-15:
the method comprises the following steps: firstly, horizontally suspending and obliquely placing a steel pipe pile 10 on a deck of a semi-submersible crane ship 1 through a support, then retracting the movable end of a longitudinal compensation cylinder 77, enabling a second rotary support 79 to support a compensator shell 71, placing a pile stabilizing platform 2 on an electromagnet 75, and then entering the semi-submersible crane ship 1;
in the above steps, it is ensured that the compensator housing 71 is supported by the second rotating bracket 79 during the traveling of the semi-submersible crane vessel 1, so as to prevent the longitudinal compensation cylinder 77 from being damaged by the pitching of the semi-submersible crane vessel 1 during the traveling.
Step two: after the semi-submersible crane ship 1 advances to a construction station and is positioned, the movable end of the longitudinal compensation cylinder 77 extends out, the compensator shell 71 is jacked up, then the second rotary support 79 is turned over to be in a horizontal state, and the transverse and longitudinal positioning adjustment is carried out on the pile stabilizing platform 2 through the matching of the transverse compensation cylinder 72 and the longitudinal compensation cylinder 77, so that the horizontal positioning of the pile stabilizing platform 2 is ensured.
Step three: then a second crane 6 lifts a vibration hammer 8 to sequentially drive the four positioning piles 4 of the pile stabilizing platform 2, after the pile stabilizing platform 2 is positioned, the semi-submersible crane ship 1 moves to enable the pile stabilizing platform 2 to withdraw from the truss opening, and then the semi-submersible crane ship 1 is positioned again.
Step four: then the steel pipe pile transporter moves to the position below the steel pipe pile 10, the steel pipe pile base 25 is rotated to be in a vertical state, the steel pipe pile 10 is supported in the arc-shaped groove of the steel pipe pile, then the upper top plate 19 rises under the driving of the first oil cylinder 21 and the second oil cylinder 22 through the mutual rotation of the first support rod 23 and the second support rod 24, the steel pipe pile 10 is jacked up and separated from the support of the steel pipe pile, and the steel pipe pile 10 is moved to the position of a lifting hook of the first crane 5 through the steel pipe pile transporter for hoisting;
in the above steps, the steel pipe pile transport device may be moved to a position below the corresponding steel pipe pile 10 only when the steel pipe pile base 25 is rotated to a horizontal state and the upper top plate 19 is at the lowest height.
Step five: then the first crane 5 sequentially lifts the steel pipe piles 10, and the steel pipe piles 10 are horizontally moved to the sea level through the matching use of the upper lifting lugs 14 and the tail sliding C-shaped clamp 15; then, the slide-tail C-shaped clamp 15 is dismounted through a winch or an anchor boat, one end of the steel pipe pile 10, far away from the upper lifting lug 14, is directly contacted with the sea level, and then the steel pipe pile 10 is turned over through a single hook through a first crane 5;
in the process of turning over the steel pipe pile 10, the stable pile platform 2 and the semi-submersible crane ship 1 are required to be ensured not to influence the turning over.
Step six: then, the first crane 5 moves the steel pipe pile 10 to a U-shaped opening of the pile stabilizing platform 2, and positioning is carried out through a hydraulic oil cylinder on the pile stabilizing platform 2; meanwhile, the second crane 6 lifts the pile hammer 9 to press and sink the pile; in the process, the verticality correction is carried out on the steel pipe pile 10 pile sinking through the matching use of the inclinometer attitude sensor 17 and the stroke recorder 18;
in the pile sinking process of the steel pipe pile 10, when the verticality of the steel pipe pile 10 exceeds 2 per mill, the verticality correction is required; before the device is used, the inclinometer attitude sensor 17 needs to be calibrated to zero, four-point relative height difference is transmitted back in real time in the piling process of the steel pipe pile 10, the height difference value is transmitted to the hydraulic module control unit of the pile stabilizing platform 2, and automatic righting can be carried out through the hydraulic oil cylinder of the pile stabilizing platform 2.
In the above steps, the specific flow of the perpendicularity correction process and the calculation method of the steel pipe pile 10 is as follows:
a) the inclinometer attitude sensor 17 finishes the correction of the initial position, records the initial test postures of four corresponding points of the hydraulic oil cylinders of the pile stabilizing platform 2, and the initial vertical coordinates of the four points are divided into Z coordinates1、Z2、Z3、Z4；
b) A stroke recorder arranged at the tap of the pile stabilizing platform records the lower layer quantity L of the steel pipe pile;
c) setting the diameter of an upper flange of the steel pipe pile as d;
d) after the steel pipe pile inclines, the following formula is used for calculating: gradient 1= (Z)1-Z3) D, gradient 2= (Z)2-Z4）/d；
e) The hydraulic oil cylinder props against the wall of the steel pipe pile to keep the stress condition unchanged, the correction value is 1= L and the inclination is 1, the correction value is 2= L and the inclination is 2, and the correction value 1 corresponds to Z1、Z3A hydraulic oil cylinder is arranged below the point; corrected value 2 corresponds to Z2、Z4Lower hydraulic cylinder, wherein, Z1、Z2、Z3、Z4Corresponding to the cylinders 1, 2, 3, 4. The positive and negative values of the verticality determine the extension and contraction of the hydraulic oil cylinder, the thrust of the hydraulic oil cylinder at the correcting point is increased, the stress of the rest hydraulic oil cylinders is kept unchanged, and the rest hydraulic oil cylinders are only propped against the steel pipe pile 10 through extension and contraction.
Step seven: after the steel pipe pile 10 is sunk, the second crane 6 recovers the pile driving hammer 9, meanwhile, the first crane 5 recovers the pile stabilizing platform 2, and the pile stabilizing platform 2 is placed on the electromagnet 75 again; the semi-submersible vessel 1 then departs from the field.
The invention has the beneficial effects that:
(1) the special pile stabilizing platform 2 and the pile stabilizing platform base 3 are arranged and matched with the process of turning over the steel pipe pile 10 by a single hook, so that the cross operation of double cranes is realized, and the work efficiency is doubled compared with that of the traditional semi-submersible crane ship 1;
(2) according to the invention, the steel pipe pile transporter is arranged, so that the semi-submersible crane ship 1 has the transportation capacity of a plurality of steel pipe piles 10, and the deck of the semi-submersible crane ship 1 has the steel pipe pile 10 allocation performance;
(3) according to the invention, the compensator 7 is arranged, so that the positioning effect of the pile stabilizing platform 2 is improved, and the construction quality is greatly improved;
(4) the invention ensures the pile sinking construction quality of the steel pipe pile 10 by matching the inclinometer attitude sensor 17 and the stroke recorder 18.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (8)
1. The utility model provides a semi-submerged crane ship pile sinking construction equipment which characterized in that: the pile stabilizing system comprises a pile stabilizing platform, a pile stabilizing platform base, a compensator and a steel pipe pile; a first crane and a second crane are symmetrically arranged on the left and right sides of the upper surface of the semi-submersible crane ship, pile stabilizing platform bases are symmetrically and vertically arranged on one side surface of the semi-submersible crane ship close to the first crane on the left and right sides at intervals, each pile stabilizing platform base is of a right-angled triangular truss structure, and a truss opening is formed between the two pile stabilizing platform bases; a plurality of compensators are sequentially horizontally arranged on one side, close to the truss opening, of the upper surface of each pile stabilizing platform base along the length direction of the pile stabilizing platform base at intervals, the adjusting end of each compensator is arranged towards the truss opening, and the pile stabilizing platform is horizontally arranged on the compensator; the steel pipe pile is suspended on a deck of the semi-submersible crane ship through a support, and the pile stabilizing platform positioning, the steel pipe pile sinking and the pile stabilizing platform recovery operation are sequentially carried out through the cross matching of double cranes of the first crane and the second crane;
each compensator comprises a compensator shell, a transverse compensation cylinder, a longitudinal compensation cylinder, an upper sliding rail, a lower sliding rail, an electromagnet, a supporting block, a first rotating bracket and a second rotating bracket; each compensator shell is horizontally arranged along the port and starboard direction of the semi-submersible crane ship, and a first rotating support and a second rotating support are vertically arranged at intervals at two ends of the lower surface of each compensator shell; each first rotating support is arranged on one side far away from the truss opening, the lower end of each first rotating support is vertically and fixedly connected with the corresponding position of the upper surface of the pile stabilizing platform base, and the upper end of each first rotating support is vertically hinged with the corresponding position of the lower surface of the compensator shell; each second rotating support is arranged on one side close to the truss opening, the lower end of each second rotating support is vertically hinged with the corresponding position of the upper surface of the pile stabilizing platform base, the upper end of each second rotating support is abutted against and attached to the corresponding position of the lower surface of the compensator shell, and the corresponding compensator shell is horizontally supported; the rotation direction of each compensator shell and the rotation direction of each second rotating bracket are both vertically rotated along the port and starboard directions of the semi-submersible crane ship; a transverse compensation cylinder is sleeved in each compensator shell coaxially, and the movable end of each transverse compensation cylinder vertically extends out towards the direction of the truss opening and corresponds to the compensator shell and is fixedly connected with the corresponding supporting block coaxially; an upper slide rail and a lower slide rail are horizontally attached to the upper side and the lower side of the movable end of each transverse compensation cylinder along the length direction of the movable end, the movable end of each transverse compensation cylinder is horizontally and slidably connected with the corresponding compensator shell through the upper slide rail and the lower slide rail respectively, and the corresponding support block is vertically and stably reinforced; an electromagnet is horizontally attached to the upper surface of each supporting block, the pile stabilizing platform is horizontally placed on all the electromagnets, and the transverse positioning adjustment is carried out on the pile stabilizing platform through a transverse compensation cylinder;
a longitudinal compensation cylinder is vertically arranged on one side, close to the second rotating support, of the lower surface of each compensator shell, each longitudinal compensation cylinder is arranged close to the corresponding second rotating support, the fixed end of each longitudinal compensation cylinder is vertically and fixedly connected with the corresponding position of the upper surface of the pile stabilizing platform base, and the movable end of each longitudinal compensation cylinder is vertically and upwards arranged and is tightly abutted to the corresponding position of the lower surface of the corresponding compensator shell; and the pile stabilizing platform is longitudinally positioned and adjusted by matching the longitudinal compensation cylinder with the second rotating bracket.
2. The semi-submersible crane ship pile sinking construction equipment as claimed in claim 1, wherein: the square area enclosed by the four positioning piles of the pile stabilizing platform is within the coverage range of the truss opening, and the pile stabilizing platform base is ensured not to interfere with the positioning of the pile stabilizing platform.
3. The semi-submersible crane ship pile sinking construction equipment as claimed in claim 1, wherein: the steel pipe piles are sequentially horizontally arranged in parallel at intervals, and each steel pipe pile is horizontally obliquely suspended on a deck of the semi-submersible crane ship through a support; the upper lifting lug of each steel pipe pile is arranged close to the first crane, and the included angle between the upper lifting lug and the port and starboard direction of the semi-submersible crane ship is 30 degrees.
4. The semi-submersible crane vessel pile sinking construction equipment as claimed in claim 3, wherein: the steel pipe pile conveyer comprises an upper top plate, a lower bottom plate, a first oil cylinder, a second oil cylinder, a first support rod, a second support rod, a steel pipe pile base and rollers; the upper top plate and the lower bottom plate are horizontally arranged in parallel at an interval from top to bottom, and a first support rod and a second support rod are respectively arranged at four right angles between the upper top plate and the lower bottom plate; each first supporting rod and each second supporting rod are of rectangular structures, and each adjacent first supporting rod and each adjacent second supporting rod are hinged in an X shape by taking a fulcrum as an axis; the upper edge of each first support rod and the upper edge of each second support rod are arranged on the same horizontal plane, and the lower edge of each first support rod and the lower edge of each second support rod are arranged on the same horizontal plane; first oil cylinders are symmetrically embedded at four right angles inside the upper top plate, and the arrangement direction of each first oil cylinder is consistent with the rotation direction of the corresponding first support rod and the second support rod; second oil cylinders are symmetrically embedded at four right angles inside the lower bottom plate, and the arrangement direction of each second oil cylinder is consistent with the rotation direction of the corresponding first support rod and the second support rod; the upper end of each first support rod is vertically hinged with the movable end of the corresponding first oil cylinder, and the lower end of each first support rod is vertically hinged with the movable end of the corresponding second oil cylinder; the upper end of each second support rod is vertically hinged with the fixed end corresponding to the first oil cylinder, and the lower end of each second support rod is vertically hinged with the fixed end corresponding to the second oil cylinder; the upper top plate and the lower bottom plate do not interfere with the vertical rotation of each first support rod and each second support rod respectively, and the upper top plate is driven by the first oil cylinder and the second oil cylinder to perform lifting adjustment through the mutual rotation of the first support rods and the second support rods; the lower surface of the lower bottom plate is sequentially provided with a plurality of idler wheels at intervals along the advancing direction, the upper surface of the upper top plate is also provided with steel pipe pile bases in a bilateral symmetry mode, the lower end of each steel pipe pile bottom plate is vertically hinged with the upper top plate, an arc-shaped groove matched with the steel pipe pile is embedded in the middle of the upper end of each steel pipe pile bottom plate, and the steel pipe pile is supported through the arc-shaped groove.
5. The semi-submersible crane ship pile sinking construction equipment as claimed in claim 4, wherein: when the steel pipe pile base rotates to the horizontal state and the upper top plate is at the lowest height, the height of the steel pipe pile conveyor is smaller than the distance between the steel pipe pile and the deck of the semi-submersible lifting ship.
6. The semi-submersible crane ship pile sinking construction equipment as claimed in claim 4, wherein: the device also comprises an inclinometer attitude sensor and a travel recorder; an inclinometer attitude sensor is arranged at a flange above a hammer cap of the pile hammer, a stroke recorder is further arranged at a tap on the upper surface of the pile stabilizing platform, and the steel pipe pile sinking is corrected in a perpendicularity mode through the cooperation of the inclinometer attitude sensor and the stroke recorder.
7. The semi-submersible crane ship pile sinking construction equipment as claimed in claim 6, wherein: the steel wire rope hoisting device further comprises a first steel wire rope, a hoisting beam, a second steel wire rope, a tail sliding C-shaped clamp and a third steel wire rope; the first crane is connected with the upper end of the horizontally arranged lifting beam through a first steel wire rope, and the lower end of the lifting beam is connected with the horizontally arranged upper lifting lug corresponding to the steel pipe pile through a second steel wire rope; the sliding tail C-shaped clamp is clamped at an upper port corresponding to one side, far away from the upper lifting lug, of the steel pipe pile and is connected with the first crane through a third steel wire rope; under the drive of a first crane, the steel pipe pile horizontally moves through the matching use of the upper lifting lug and the tail sliding C-shaped clamp.
8. The construction process of the semi-submersible crane ship pile sinking construction equipment according to the claim 7, characterized by comprising the following steps:
the method comprises the following steps: firstly, horizontally suspending a steel pipe pile through a support and obliquely placing the steel pipe pile on a deck of a semi-submersible crane ship, then retracting the movable end of a longitudinal compensation cylinder, enabling a second rotary support to support a compensator shell, placing a pile stabilizing platform on an electromagnet, and then entering the semi-submersible crane ship;
step two: after the semi-submersible crane ship moves to a construction position, positioning, extending out the movable end of the longitudinal compensation cylinder, jacking the compensator shell, turning over the second rotary support to a horizontal state, and performing transverse and longitudinal positioning adjustment on the pile stabilizing platform through the cooperation of the transverse compensation cylinder and the longitudinal compensation cylinder to ensure the horizontal positioning of the pile stabilizing platform;
step three: then a second crane lifts the vibration hammer to sequentially drive four positioning piles of the pile stabilizing platform, after the pile stabilizing platform is positioned, the semi-submersible crane ship moves to enable the pile stabilizing platform to withdraw from the truss opening, and then the semi-submersible crane ship is positioned again;
step four: then the steel pipe pile transporter moves to the position below the steel pipe pile, the steel pipe pile base is rotated to be in a vertical state, the steel pipe pile is supported in the arc-shaped groove of the steel pipe pile, the upper top plate rises under the driving of the first oil cylinder and the second oil cylinder through the mutual rotation of the first support rod and the second support rod, the steel pipe pile is jacked and separated from the support of the steel pipe pile, and the steel pipe pile is moved to the position of a lifting hook of a first crane through the steel pipe pile transporter for hoisting;
step five: then, sequentially hoisting the steel pipe piles by a first crane, and horizontally moving the steel pipe piles to the sea level by matching the upper lifting lugs with the sliding tail C-shaped clamp; then the C-shaped fixture of the tail chute is dismounted through a winch or an anchor boat, one end of the steel pipe pile, far away from the upper lifting lug, is directly contacted with the sea level, and then the steel pipe pile is turned over through a single-hook crane;
step six: then the first crane moves the steel pipe pile to a U-shaped opening of the pile stabilizing platform, and positioning is carried out through a hydraulic oil cylinder on the pile stabilizing platform; meanwhile, the second crane lifts the pile hammer to press and sink the pile; in the process, the verticality correction is carried out on the steel pipe pile sinking through the matching use of an inclinometer attitude sensor and a stroke recorder;
step seven: after the steel pipe pile is sunk, the second crane recovers the pile driving hammer, and meanwhile, the first crane recovers the pile stabilizing platform and places the pile stabilizing platform on the electromagnet again; and then the semi-submersible crane ship leaves the field.
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| CN114718067B (en) * | 2022-05-20 | 2023-06-09 | 长江重庆航道工程局 | Solid heavy hammer hoisting method |
| CN115142427B (en) * | 2022-09-06 | 2022-11-29 | 中天科技集团海洋工程有限公司 | Stone-throwing anti-scouring construction process for offshore wind power foundation |
| CN116065582B (en) * | 2023-03-07 | 2023-06-09 | 中天科技集团海洋工程有限公司 | Piling method for steel pipe pile |
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| JPS5555725A (en) * | 1978-10-16 | 1980-04-23 | Mitsui Eng & Shipbuild Co Ltd | Pile driving boat |
| CN102425167B (en) * | 2011-11-25 | 2013-10-30 | 天津港航工程有限公司 | Pile sinking method for driving large-diameter steel pipe pile in intertidal zone |
| CN109208596A (en) * | 2018-11-06 | 2019-01-15 | 江苏龙源振华海洋工程有限公司 | One word of one kind turns over technique |
| CN109371965A (en) * | 2018-11-13 | 2019-02-22 | 南通市海洋水建工程有限公司 | A kind of precise positioning pile sinking stable platform stake and its installation method |
| CN209779627U (en) * | 2018-12-31 | 2019-12-13 | 中交三公局第三工程有限公司 | Steel-pipe pile construction positioner |
| CN110424394A (en) * | 2019-06-19 | 2019-11-08 | 中广核如东海上风力发电有限公司 | A kind of mobile surely stake platform and its construction technology |
| CN110453709A (en) * | 2019-06-24 | 2019-11-15 | 中交第三航务工程局有限公司 | A kind of offshore wind farm large-diameter pile process for sinking |
| CN212670570U (en) * | 2020-06-16 | 2021-03-09 | 上海博强重工集团有限公司 | Pile stabilizing platform for offshore pile driving construction |
| CN213229069U (en) * | 2020-08-12 | 2021-05-18 | 中交第三航务工程局有限公司江苏分公司 | Mother ship for carrying mobile modularized pile stabilizing platform |
| CN213948709U (en) * | 2020-10-23 | 2021-08-13 | 中广核研究院有限公司 | Magnetic attraction type boarding platform |
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