CN114411800A - Steel pipe pile construction system and technology based on floating pile-stabilizing platform - Google Patents
Steel pipe pile construction system and technology based on floating pile-stabilizing platform Download PDFInfo
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- CN114411800A CN114411800A CN202210046946.6A CN202210046946A CN114411800A CN 114411800 A CN114411800 A CN 114411800A CN 202210046946 A CN202210046946 A CN 202210046946A CN 114411800 A CN114411800 A CN 114411800A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 160
- 239000010959 steel Substances 0.000 title claims abstract description 160
- 238000007667 floating Methods 0.000 title claims abstract description 148
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title description 2
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 23
- 238000005259 measurement Methods 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention discloses a steel pipe pile construction system and a steel pipe pile construction process based on a floating pile stabilizing platform, wherein the steel pipe pile construction system comprises the floating pile stabilizing platform, a floating crane ship, a split truss, a compensator and a steel pipe pile; an auxiliary crane is arranged in the middle of the upper surface of the floating pile stabilizing platform, and a main crane is arranged on one side of the upper surface of the floating crane ship; a plurality of compensators are symmetrically arranged on the left side and the right side of the head and the tail of the floating pile stabilizing platform at intervals, each compensator is horizontally arranged along the length direction of the U-shaped opening of the floating pile stabilizing platform at intervals, and the adjusting ends of the compensators are arranged towards the center direction of the corresponding U-shaped opening; the two split trusses are respectively arranged at corresponding U-shaped openings of the floating pile stabilizing platform and are respectively horizontally placed on the corresponding compensators; and through the cross matching of the double cranes of the main crane and the auxiliary crane, the split truss positioning, the steel pipe pile sinking and the split truss recovery operation are sequentially carried out. The invention forms a flow line operation mode and improves the construction efficiency.
Description
Technical Field
The invention relates to the field of offshore wind power, in particular to a steel pipe pile construction system and a steel pipe pile construction process based on a floating pile stabilizing platform.
Background
The existing fan foundation mostly uses a mode that a single floating crane ship is matched with a single pile stabilizing platform, but single engineering generally relates to the working procedures of pile stabilizing platform positioning, steel pipe pile turning, steel pipe pile pressing and hammering pile sinking, pile stabilizing platform recovery and the like, so that assembly line operation cannot be realized, and the working efficiency is low.
In addition, the steel pipe pile leveling generally adopts a mode of observing and commanding a hydraulic oil cylinder of a pile stabilizing platform to correct by using an artificial theodolite; the theodolite can only be erected on the pile stabilizing platform because the theodolite cannot be erected on the floating crane, but the pile stabilizing platform is influenced by vibration in the construction process, so that the erection of the theodolite is finished during the hammer opening period of the pile hammer, and the theodolite is erected for measurement after the hammer is stopped; and the correction data of the hydraulic oil cylinder are manually estimated, so that the accuracy is poor. Therefore, the above problems need to be solved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a steel pipe pile construction system and a steel pipe pile construction process based on a floating pile stabilizing platform, wherein the floating pile stabilizing platform is provided with a double-split truss, a flow line operation mode can be formed, the effective working hours for positioning and recovering the split truss in the foundation construction are reduced, the construction efficiency is improved, and the cost is saved.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention discloses a steel pipe pile construction system based on a floating pile-stabilizing platform, which has the innovation points that: the floating type pile stabilizing system comprises a floating type pile stabilizing platform, a floating type crane ship, a split truss, a compensator and a steel pipe pile; an auxiliary crane is arranged in the middle of the upper surface of the floating pile stabilizing platform, and a main crane is arranged on one side of the upper surface of the floating crane ship; a plurality of compensators are symmetrically arranged on the left side and the right side of the head and the tail of the floating pile stabilizing platform at intervals, each compensator is horizontally arranged along the length direction of the U-shaped opening of the floating pile stabilizing platform at intervals, and the adjusting ends of the compensators are arranged towards the center direction of the corresponding U-shaped opening; the two split trusses are respectively arranged at corresponding U-shaped openings of the floating pile stabilizing platform and are respectively horizontally placed on the corresponding compensators; and through the cross matching of the double cranes of the main crane and the auxiliary crane, the split truss positioning, the steel pipe pile sinking and the split truss recovery operation are sequentially carried out.
Preferably, each compensator comprises a compensator shell, a transverse 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 floating pile stabilizing platform, and a first rotating bracket and a second rotating bracket 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 U-shaped opening, the lower end of each first rotating support is vertically and fixedly connected with the corresponding position of the upper surface of the floating pile stabilizing platform, 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 U-shaped opening, the lower end of each second rotating support is vertically hinged with the corresponding position of the upper surface of the floating pile stabilizing platform, the upper end of each second rotating support is abutted and attached to the corresponding position of the lower surface of the corresponding 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 floating pile stabilizing platform, a transverse compensation cylinder is further coaxially sleeved in each compensator shell, and the movable end of each transverse compensation cylinder vertically extends towards the direction of the U-shaped opening to correspond 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; and electromagnets are horizontally attached to the upper surfaces of the supporting blocks, the split trusses are respectively horizontally placed on the corresponding electromagnets, and the transverse compensation cylinders are used for respectively carrying out transverse positioning adjustment on the corresponding split trusses.
Preferably, the device further comprises a longitudinal 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 floating pile stabilizing platform, and the movable end of each longitudinal compensation cylinder is vertically and upwards arranged and is tightly abutted and attached to the corresponding position of the lower surface of the corresponding compensator shell; and the longitudinal positioning adjustment is carried out on the corresponding split truss through the matched use of the longitudinal compensation air cylinder and the second rotating bracket.
Preferably, the device also comprises a plurality of verticality detection mechanisms; two perpendicularity detection mechanisms are further arranged on two sides of each split truss respectively at intervals of 90 degrees relative to the outer surface of the steel pipe pile, each perpendicularity detection mechanism is respectively carried at a corresponding U-shaped opening of the floating pile stabilizing platform and comprises a second positioning pile, a measurement platform, supporting legs, a lower bottom plate, an upper top plate, a rotary bearing, a fine adjustment nut, a rotary bearing, a rotary base, a measurement machine head, a first measurement hole and a second measurement hole; each split truss is positioned on the sea through four second positioning piles which are vertically arranged, and a measuring platform is fixedly sleeved on the upper position of each second positioning pile in a coaxial horizontal manner; the three support legs are vertically arranged on one side, close to the steel pipe pile, of the upper surface of the measuring platform in a triangular mode, and lower bottom plates are further horizontally and fixedly arranged at the upper ends of the three support legs; the upper top plate is horizontally arranged above the lower bottom plate at intervals in parallel, and is horizontally and rotatably connected with the lower bottom plate through a rotary bearing; a U-shaped rotating base is further arranged right above the upper top plate, the opening end of the rotating base is arranged upwards, and the bottom of the rotating base is connected with the upper surface of the upper top plate through a fine adjustment nut and horizontally rotates along with the upper top plate; a measuring machine head is also vertically arranged in the rotating base and is vertically and rotatably connected with the rotating base through a rotating bearing; and a first measuring hole and a second measuring hole are arranged on one side surface of the measuring machine head close to the steel pipe pile at left and right intervals, and the first measuring hole and the second measuring hole respectively rotate horizontally around the measuring machine head.
Preferably, the travel recorder is further included; and each split truss is also provided with a stroke recorder, and the steel pipe pile sinking is corrected for verticality by matching the stroke recorder with the corresponding verticality detection mechanism.
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 main crane on the floating crane ship 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 an auxiliary crane on the floating pile stabilizing platform through a third steel wire rope; the steel pipe pile is turned over by matching the main crane and the auxiliary crane, and the steel pipe pile is horizontally moved by the main crane.
The invention discloses a steel pipe pile construction process based on a floating pile-stabilizing platform, which is characterized by comprising the following steps of:
the method comprises the following steps: firstly, retracting the movable end of the longitudinal compensation cylinder to enable the second rotary bracket to support the compensator shell, then respectively placing the two split trusses on corresponding electromagnets at the head and the tail of the floating pile stabilizing platform, and then respectively entering the floating pile stabilizing platform and the floating crane ship;
step two: the floating pile stabilizing platform and the floating crane ship are respectively positioned after traveling to the construction station; then the movable end of the longitudinal compensation cylinder extends out to jack the compensator shell, then the second rotary support is turned over to be in a horizontal state, and the transverse and longitudinal positioning adjustment is respectively carried out on the corresponding split trusses through the matching of the transverse compensation cylinder and the longitudinal compensation cylinder, so that the horizontal positioning of the split trusses is ensured;
step three: then the auxiliary crane lifts the vibration hammer, and the split truss at the tail side of the floating pile-stabilizing platform is positioned through the four first positioning piles; then the auxiliary crane lifts and positions two perpendicularity detection mechanisms at the tail side of the floating pile-stabilizing platform through second positioning piles respectively;
step four: then, turning over the steel pipe pile by matching the main crane and the auxiliary crane; moving the steel pipe pile to a split truss at the tail side of the floating pile-stabilizing platform through a main crane, and positioning the steel pipe pile through the corresponding split truss; then the floating pile-stabilizing platform moves to enable the split truss at the stern side of the floating pile-stabilizing platform to exit from the U-shaped opening, and the floating pile-stabilizing platform is positioned again after going to the next construction position;
step five: then, a pile hammer is lifted by a main crane to press and sink the steel pipe pile; in the process, the verticality of the steel pipe pile sinking is corrected by matching the verticality detection mechanism with the stroke recorder;
step six: after the steel pipe pile at the tail side of the floating pile stabilizing platform is sunk, the floating crane ship recovers the corresponding split truss and moves to the stern of the floating pile stabilizing platform, and the split truss is placed on the corresponding electromagnet again; then, the ship is advanced to the bow of the floating pile-stabilizing platform for positioning again; then, the second to fifth steps are repeated to carry out pile sinking on the steel pipe pile at the bow side of the floating type pile stabilizing platform;
step seven: after the steel pipe pile at the bow side of the floating pile stabilizing platform is sunk, the main crane recovers the pile driving hammer, the auxiliary crane recovers the corresponding split truss, and the split truss at the bow side of the floating pile stabilizing platform is placed on the corresponding electromagnet again; and then the floating pile-stabilizing platform and the floating crane ship respectively leave the field.
Preferably, in the fifth step, the concrete process of performing perpendicularity correction on the steel pipe pile sinking includes:
a) firstly, measuring the distance L from a measuring head to a steel pipe pile through a first measuring hole of the measuring head according to the laser ranging principle;
b) then the measuring machine head rotates up and down, the edge of the steel pipe pile is vertically swept, and the up-down rotation angle theta of the measuring machine head is obtained1And the distance L between the first measuring hole and the first measuring point of the steel pipe pile2And the distance L between the first measuring hole and the second measuring point of the steel pipe pile1(ii) a Calculating the distance L between the first measuring point and the second measuring point of the steel tapping pipe pile through a formula3；
c) Then the first measuring hole and the second measuring hole rotate left and right, the first measuring point and the second measuring point of the steel pipe pile are measured, and the angle theta of the left-right rotation between the first measuring hole and the second measuring hole is obtained2(ii) a Then the transverse distance L of the inclination of the first measuring point of the steel pipe pile is obtained through calculation4；
d) The inclination angle theta of the steel pipe pile relative to the vertical state is calculated through a formulax= arctan(L4/L3)；
e) Measuring the lowering distance L of the steel pipe pile by a stroke recorder0And calculating by a formula to obtain the compensation distance of X = L0*sinθx。
Preferably, in the step b), the angle θ of the rotation of the head is measured1The distance L between the first measuring hole and the first measuring point of the steel pipe pile is shorter and the distance L between the measuring machine head and the steel pipe pile is longer2And the distance L between the first measuring hole and the second measuring point of the steel pipe pile1Are all similar to the distance L from the measuring machine head to the steel pipe pile, and further the distance L between the first measuring point and the second measuring point of the steel pipe pile is obtained3=L*tanθ1。
Preferably, in the step c), the first measuring point of the steel pipe pile is inclined by a transverse distance L4= L*tanθ2。
The invention has the beneficial effects that:
(1) the floating pile stabilizing platform is provided with the double-split truss, so that a flow line operation mode can be formed, the effective working time for positioning and recovering the split truss in the foundation construction is reduced, the construction efficiency is improved, and the cost is saved;
(2) according to the invention, the whole process monitoring during the piling of the steel pipe pile is realized by arranging the independent verticality detection mechanism, the automatic correction of the steel pipe pile is realized by matching the verticality detection mechanism with the stroke recorder, and the verticality control precision in the piling process of the steel pipe pile is greatly improved.
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 floating pile-stabilizing platform of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of the split truss of the present invention.
Fig. 4 is a front view of the split truss of the present invention.
Fig. 5 is a schematic structural diagram of the compensator of the present invention.
Fig. 6 is a schematic view of positioning of the floating pile-stabilizing platform and the floating crane vessel according to the present invention.
Fig. 7 is a schematic positioning diagram of the split truss and the verticality detection mechanism of the invention.
FIG. 8 is a schematic view of hoisting a steel pipe pile according to the present invention.
Fig. 9 is a schematic view of turning over the steel pipe pile in fig. 8.
Fig. 10 is a schematic view of the main crane in fig. 9 lifting the steel pipe pile.
Fig. 11 is a schematic view of the auxiliary crane in fig. 9 for lifting the steel pipe pile.
FIG. 12 is a schematic self-sinking diagram of the steel pipe pile according to the present invention.
Fig. 13 is a top view of fig. 12.
FIG. 14 is a schematic view of hammer-driving pile-sinking of a steel pipe pile according to the present invention.
Fig. 15 is a schematic view of the floating pile-stabilized platform of the present invention in a position to go to the next machine position.
Fig. 16 is a schematic structural view of the verticality detecting mechanism in fig. 1.
FIG. 17 is a schematic view of the measuring head of the present invention measuring the distance between the measuring head and the steel pipe pile.
FIG. 18 shows the L of the present invention when the measuring head is rotated up and down3Schematic diagram of the calculation of (1).
FIG. 19 shows the first measuring hole and the second measuring hole of the present invention rotated left and right at L4Schematic diagram of the calculation of (1).
FIG. 20 shows the inventionxSchematic diagram of the calculation of (1).
FIG. 21 is a schematic view showing the measurement of the steel pipe pile lowering distance according to the present invention.
1-floating pile stabilizing platform; 2-split truss; 3-auxiliary crane; 4-first positioning pile; 5-a verticality detection mechanism; 6-a main crane; 7-steel pipe piles; 8-a vibratory hammer; 9-a transport ship; 10-a compensator; 11-a hanging beam; 12-a first wire rope; 13-a second wire rope; 14-upper lifting lug; 15-tail slipping C-shaped clamp; 16-a third wire rope; 17-a pile hammer; 18-a floating crane vessel; 19-a trip recorder; 101-compensator housing; 102-a lateral compensation cylinder; 103-upper slide rail; 104-lower slide rail; 105-an electromagnet; 106-a support block; 107-longitudinal compensation cylinder; 108-a first rotating gantry; 109-a second rotating support; 501-a second spud; 502-a measurement platform; 503-legs; 504-a slew bearing; 505-fine adjustment nut; 506-a rotational bearing; 507-rotating the base; 508-measuring the handpiece; 509 — first measurement well; 510-second measurement well.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
The invention discloses a steel pipe pile construction system based on a floating pile stabilizing platform, which comprises a floating pile stabilizing platform 1, a floating crane ship 18, a split truss 2, a compensator 10 and a steel pipe pile 7; the concrete structure is as shown in fig. 1-21, an auxiliary crane 3 is arranged in the middle of the upper surface of a floating pile-stabilizing platform 1, and a main crane 6 is arranged on one side of the upper surface of a floating crane ship 18; a plurality of compensators 10 are symmetrically arranged at intervals on the port and the starboard at the head and the tail of the floating pile stabilizing platform 1, each compensator 10 is horizontally arranged at intervals along the length direction of the U-shaped opening of the floating pile stabilizing platform 1, and the adjusting ends of the compensators are arranged towards the center direction of the corresponding U-shaped opening; the two split trusses 2 are respectively arranged at corresponding U-shaped openings of the floating pile stabilizing platform 1 and are respectively horizontally placed on the corresponding compensators 10; the invention carries out the operations of positioning the split truss 2, sinking the steel pipe pile 7 and recovering the split truss 2 in sequence through the cross matching of the double cranes of the main crane 6 and the auxiliary crane 3.
Each compensator 10 comprises a compensator shell 101, a transverse compensation cylinder 102, a longitudinal compensation cylinder 107, an upper sliding rail 103, a lower sliding rail 104, an electromagnet 105, a supporting block 106, a first rotating bracket 108 and a second rotating bracket 109; as shown in fig. 2 and 5, each compensator housing 101 is horizontally arranged along the port and starboard direction of the floating pile-stabilizing platform 1, and a first rotating bracket 108 and a second rotating bracket 109 are vertically arranged at intervals at two ends of the lower surface of the compensator housing; each first rotating bracket 108 is arranged on one side far away from the U-shaped opening, the lower end of each first rotating bracket 108 is vertically and fixedly connected with the corresponding position of the upper surface of the floating pile stabilizing platform 1, and the upper end of each first rotating bracket 108 is vertically hinged with the corresponding position of the lower surface of the corresponding compensator casing 101; each second rotating bracket 109 is arranged on one side close to the U-shaped opening, the lower end of each second rotating bracket 109 is vertically hinged with the corresponding position of the upper surface of the floating pile stabilizing platform 1, the upper end of each second rotating bracket 109 is abutted against the corresponding position of the lower surface of the corresponding compensator casing 101, and the corresponding compensator casing 101 is horizontally supported; the rotation direction of each compensator 10 shell and the rotation direction of each second rotating bracket 109 vertically rotate along the port and starboard direction of the floating pile stabilizing platform 1;
as shown in fig. 2 and 5, a transverse compensation cylinder 102 is coaxially sleeved in each compensator housing 101, and a movable end of each transverse compensation cylinder 102 vertically extends out of the corresponding compensator housing 101 towards the direction of the U-shaped opening and is coaxially and fixedly connected with the corresponding support block 106; an upper slide rail 103 and a lower slide rail 104 are respectively attached to the upper side and the lower side of the movable end of each transverse compensation cylinder 102 horizontally along the length direction of the movable end, the movable end of each transverse compensation cylinder 102 is respectively connected with the corresponding compensator shell 101 in a horizontal sliding mode through the upper slide rail 103 and the lower slide rail 104, and the corresponding support block 106 is respectively reinforced stably in the vertical direction; an electromagnet 105 is further horizontally attached to the upper surface of each supporting block 106, each split truss 2 is horizontally placed on the corresponding electromagnet 105, and the corresponding split truss 2 is transversely positioned and adjusted through the transverse compensation air cylinder 102.
As shown in fig. 2 and 5, a longitudinal compensation cylinder 107 is further vertically arranged on one side of the lower surface of each compensator casing 101, which is close to the second rotating bracket 109, each longitudinal compensation cylinder 107 is respectively and closely arranged with the corresponding second rotating bracket 109, a fixed end of each longitudinal compensation cylinder 107 is respectively and vertically and fixedly connected with the corresponding position of the upper surface of the floating pile stabilizing platform 1, and a movable end of each longitudinal compensation cylinder 107 is respectively and vertically arranged upwards and is respectively and closely attached to the corresponding position of the lower surface of the corresponding compensator casing 101; the invention carries out longitudinal positioning adjustment on the corresponding split truss 2 through the matched use of the longitudinal compensation air cylinder 107 and the second rotating bracket 109. When the floating pile stabilizing platform 1 is in a traveling state, the movable end of the longitudinal compensation cylinder 107 retracts, so that the second rotating bracket 109 supports the compensator housing 101, and the longitudinal compensation cylinder 107 is prevented from being damaged by the bumping of the floating pile stabilizing platform 1 in the traveling process; when the split truss 2 needs to be positioned, the movable end of the longitudinal compensation cylinder 107 extends out, the compensator shell 101 is jacked up, then the second rotating bracket 109 is turned over to be in a horizontal state, and the split truss 2 can be positioned and adjusted transversely and longitudinally through the matching of the transverse compensation cylinder 102 and the longitudinal compensation cylinder 107, so that the horizontal positioning of the split truss 2 is ensured. In the invention, because the split truss 2 is heavy in weight and large in friction force, the stability of the split truss 2 placed on the floating pile stabilizing platform 1 can be ensured by the electromagnet 105.
Two perpendicularity detection mechanisms 5 are further arranged on two sides of each split truss 2 at intervals of 90 degrees relative to the outer surface of the steel pipe pile 7, as shown in fig. 1-21, each perpendicularity detection mechanism 5 is respectively carried at a corresponding U-shaped opening of the floating pile stabilizing platform 1 and comprises a second positioning pile 501, a measurement platform 502, a supporting leg 503, a lower bottom plate, an upper top plate, a slewing bearing 504, a fine adjustment nut 505, a slewing bearing 506, a slewing base 507, a measurement machine head 508, a first measurement hole 509 and a second measurement hole 510; as shown in fig. 16, each split truss 2 is positioned on the sea by four second positioning piles 501 vertically arranged, and a measuring platform 502 is further coaxially and horizontally sleeved and fixed at a position above each second positioning pile 501; the three support legs 503 are vertically arranged on the upper surface of the measuring platform 502 close to one side of the steel pipe pile 7 in a triangular shape, and the upper ends of the three support legs 503 are further horizontally and fixedly provided with lower bottom plates; the upper top plate is horizontally arranged above the lower bottom plate at intervals in parallel, and the upper top plate is horizontally and rotatably connected with the lower bottom plate through a rotary bearing 504;
as shown in fig. 16, a U-shaped rotary base 507 is further provided directly above the upper top plate, an open end of the rotary base 507 is disposed upward, and a bottom of the rotary base 507 is connected to an upper surface of the upper top plate through a fine adjustment nut 505 and horizontally rotates with the upper top plate; a measuring machine head 508 is vertically arranged in the rotating base 507, and the measuring machine head 508 is vertically and rotatably connected with the rotating base 507 through a rotating bearing 506; a first measuring hole 509 and a second measuring hole 510 are further arranged on one side face, close to the steel pipe pile 7, of the measuring head 508 at left and right intervals, and the first measuring hole 509 and the second measuring hole 510 horizontally rotate around the measuring head 508 respectively.
As shown in fig. 21, a stroke recorder 19 is further provided on each split truss 2, and the perpendicularity of the steel pipe pile 7 is corrected by using the stroke recorder 19 and the corresponding perpendicularity detection mechanism 5 in a matching manner.
As shown in fig. 9 to 11, the main crane 6 on the floating crane ship 18 is connected to the upper end of the horizontally arranged lifting beam 11 through a first steel wire rope 12, and the lower end of the lifting beam 11 is connected to the upper lifting lug 14 of the horizontally arranged corresponding steel pipe pile 7 through a second steel wire rope 13; the sliding tail C-shaped clamp 15 is clamped at the upper port of one side, far away from the upper lifting lug 14, of the corresponding steel pipe pile 7 and is connected with the auxiliary crane 3 on the floating pile stabilizing platform 1 through a third steel wire rope 16; according to the invention, the steel pipe pile 7 is turned over by matching the main crane 6 and the auxiliary crane 3, then the tail sliding C-shaped clamp 15 is dismounted by the auxiliary crane 3, and the steel pipe pile 7 can be horizontally moved by the main crane 6.
The invention relates to a steel pipe pile construction process based on a floating pile-stabilizing platform, which comprises the following steps of:
the method comprises the following steps: firstly, retracting the movable end of a longitudinal compensation cylinder 107 to enable a second rotary bracket 109 to support a compensator shell 101, then respectively placing two split trusses 2 on corresponding electromagnets 105 at the head and tail sides of a floating pile stabilizing platform 1, and then respectively entering the floating pile stabilizing platform 1 and a floating crane ship 18;
in the above steps, it is necessary to ensure that the compensator housing 101 is supported by the second rotating bracket 109 during the traveling of the floating pile stabilizing platform 1, so as to avoid the damage to the longitudinal compensation cylinder 107 caused by the pitching of the floating pile stabilizing platform 1 during the traveling.
Step two: the floating pile stabilizing platform 1 and the floating crane ship 18 are respectively positioned after advancing to the construction position; then the movable end of the longitudinal compensation cylinder 107 extends out to jack up the compensator casing 101, then the second rotary bracket 109 is turned over to be in a horizontal state, and the transverse and longitudinal positioning adjustment is respectively carried out on the corresponding split trusses 2 through the matching of the transverse compensation cylinder 102 and the longitudinal compensation cylinder 107, so that the horizontal positioning of the split trusses 2 is ensured.
Step three: then the auxiliary crane 3 lifts the vibration hammer 8, and the split truss 2 at the stern side of the floating pile-stabilizing platform 1 is positioned through the four first positioning piles 4; then the auxiliary crane 3 lifts and then positions the two perpendicularity detection mechanisms 5 at the stern side of the floating pile-stabilizing platform 1 through the second positioning piles 501 respectively.
Step four: then the steel pipe pile 7 is conveyed to one side, close to the main crane 6 and the auxiliary crane 3, of the floating type pile stabilizing platform 1 through a transport ship 9, and the steel pipe pile 7 is turned over through the matching use of the main crane 6 and the auxiliary crane 3; then the steel pipe pile 7 is moved to the split truss 2 at the stern side of the floating type stable pile platform 1 through the main crane 6, and the steel pipe pile 7 is positioned through the corresponding split truss 2; and then the floating pile-stabilizing platform 1 moves to enable the split truss 2 at the stern side to exit from the U-shaped opening, and the split truss is positioned again after going to the next construction position.
Step five: then, a main crane 6 lifts a pile hammer 17 to press and sink the steel pipe pile 7; in the process, the verticality of the steel pipe pile 7 is corrected by matching the verticality detection mechanism 5 with the stroke recorder 19;
in the above steps, the concrete procedure of perpendicularity correction of the steel pipe pile 7 pile sinking is as follows:
a) firstly, measuring the distance L from the measuring head 508 to the steel pipe pile 7 through a first measuring hole 509 of the measuring head 508 according to the laser ranging principle;
b) then the measuring machine head 508 rotates up and down to vertically scan the edge of the steel pipe pile 7, and the vertical rotation angle theta of the measuring machine head 508 is obtained1And the distance L between the first measuring hole 509 and the first measuring point of the steel pipe pile 72And the distance L between the first measuring hole 509 and the second measuring point of the steel pipe pile 71(ii) a Calculating the distance L between the first measuring point and the second measuring point of the steel tapping tubular pile 7 by a formula3；
Wherein, the angle of rotation theta of the measuring head 508 from top to bottom1If the distance L from the measuring head 508 to the steel pipe pile 7 is small and the distance L from the first measuring hole 509 to the first measuring point of the steel pipe pile 7 is long, the distance L between the first measuring hole 509 and the first measuring point of the steel pipe pile 7 is short2And the distance L between the first measuring hole 509 and the second measuring point of the steel pipe pile 71Is similar to the distance L from the measuring machine head 508 to the steel pipe pile 7, and further obtains the distance L between the first measuring point and the second measuring point of the steel pipe pile 73=L*tanθ1；
c) Then the first measuring hole 509 and the second measuring hole 510 rotate left and right to measure the first measuring point and the second measuring point of the steel pipe pile 7, and an angle theta of left and right rotation between the first measuring hole 509 and the second measuring hole 510 is obtained2(ii) a Then the transverse distance L of the inclination of the first measuring point of the steel pipe pile 7 is obtained through calculation4= L*tanθ2；
d) The inclination angle theta of the steel tapping pipe pile 7 relative to the vertical state is calculated by a formulax= arctan(L4/L3)；
e) The lowering distance L of the steel pipe pile 7 is measured by a stroke recorder 190And calculating by a formula to obtain the compensation distance of X = L0*sinθx。
Step six: after the steel pipe pile 7 at the stern side of the floating pile stabilizing platform 1 is sunk, the floating crane ship 18 recovers the corresponding split truss 2 and moves to the stern of the floating pile stabilizing platform 1, and the split truss 2 is placed on the corresponding electromagnet 105 again; then, the ship is advanced to the bow of the floating pile stabilizing platform 1 for positioning again; and then, the second to fifth steps are repeated to carry out pile sinking on the steel pipe pile 7 at the bow side of the floating type pile stabilizing platform 1.
Step seven: after the steel pipe pile 7 at the bow side of the floating pile stabilizing platform 1 is sunk, the main crane 6 recovers the pile hammer 17, the auxiliary crane 3 recovers the corresponding split truss 2, and the split truss 2 at the bow side of the floating pile stabilizing platform 1 is placed on the corresponding electromagnet 105 again; then the floating pile-stabilizing platform 1 and the floating crane ship 18 are respectively out of the field.
The invention has the beneficial effects that:
(1) the floating pile-stabilizing platform 1 is provided with the double-split truss 2, so that a flow line operation mode can be formed, the effective working time for positioning and recovering the split truss 2 in the foundation construction is reduced, the construction efficiency is improved, and the cost is saved;
(2) according to the invention, the independent verticality detection mechanism 5 is arranged, so that the whole process monitoring during the piling of the steel pipe pile 7 is realized, the verticality detection mechanism 5 is matched with the stroke recorder 19, the automatic correction of the steel pipe pile 7 is realized, and the verticality control precision in the pile sinking process of the steel pipe pile 7 is greatly improved.
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 (10)
1. The utility model provides a steel-pipe pile construction system based on steady stake platform of floating which characterized in that: the floating type pile stabilizing system comprises a floating type pile stabilizing platform, a floating type crane ship, a split truss, a compensator and a steel pipe pile; an auxiliary crane is arranged in the middle of the upper surface of the floating pile stabilizing platform, and a main crane is arranged on one side of the upper surface of the floating crane ship; a plurality of compensators are symmetrically arranged on the left side and the right side of the head and the tail of the floating pile stabilizing platform at intervals, each compensator is horizontally arranged along the length direction of the U-shaped opening of the floating pile stabilizing platform at intervals, and the adjusting ends of the compensators are arranged towards the center direction of the corresponding U-shaped opening; the two split trusses are respectively arranged at corresponding U-shaped openings of the floating pile stabilizing platform and are respectively horizontally placed on the corresponding compensators; and through the cross matching of the double cranes of the main crane and the auxiliary crane, the split truss positioning, the steel pipe pile sinking and the split truss recovery operation are sequentially carried out.
2. The steel pipe pile construction system based on the floating pile-stabilizing platform as claimed in claim 1, wherein: each compensator comprises a compensator shell, a transverse 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 floating pile stabilizing platform, and a first rotating bracket and a second rotating bracket 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 U-shaped opening, the lower end of each first rotating support is vertically and fixedly connected with the corresponding position of the upper surface of the floating pile stabilizing platform, 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 U-shaped opening, the lower end of each second rotating support is vertically hinged with the corresponding position of the upper surface of the floating pile stabilizing platform, the upper end of each second rotating support is abutted and attached to the corresponding position of the lower surface of the corresponding 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 floating pile stabilizing platform, a transverse compensation cylinder is further coaxially sleeved in each compensator shell, and the movable end of each transverse compensation cylinder vertically extends towards the direction of the U-shaped opening to correspond 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; and electromagnets are horizontally attached to the upper surfaces of the supporting blocks, the split trusses are respectively horizontally placed on the corresponding electromagnets, and the transverse compensation cylinders are used for respectively carrying out transverse positioning adjustment on the corresponding split trusses.
3. The steel pipe pile construction system based on the floating pile-stabilizing platform as claimed in claim 2, wherein: the device also comprises a longitudinal 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 floating pile stabilizing platform, and the movable end of each longitudinal compensation cylinder is vertically and upwards arranged and is tightly abutted and attached to the corresponding position of the lower surface of the corresponding compensator shell; and the longitudinal positioning adjustment is carried out on the corresponding split truss through the matched use of the longitudinal compensation air cylinder and the second rotating bracket.
4. The steel pipe pile construction system based on the floating pile-stabilizing platform as claimed in claim 1, wherein: the device also comprises a plurality of verticality detection mechanisms; two perpendicularity detection mechanisms are further arranged on two sides of each split truss respectively at intervals of 90 degrees relative to the outer surface of the steel pipe pile, each perpendicularity detection mechanism is respectively carried at a corresponding U-shaped opening of the floating pile stabilizing platform and comprises a second positioning pile, a measurement platform, supporting legs, a lower bottom plate, an upper top plate, a rotary bearing, a fine adjustment nut, a rotary bearing, a rotary base, a measurement machine head, a first measurement hole and a second measurement hole; each split truss is positioned on the sea through four second positioning piles which are vertically arranged, and a measuring platform is fixedly sleeved on the upper position of each second positioning pile in a coaxial horizontal manner; the three support legs are vertically arranged on one side, close to the steel pipe pile, of the upper surface of the measuring platform in a triangular mode, and lower bottom plates are further horizontally and fixedly arranged at the upper ends of the three support legs; the upper top plate is horizontally arranged above the lower bottom plate at intervals in parallel, and is horizontally and rotatably connected with the lower bottom plate through a rotary bearing; a U-shaped rotating base is further arranged right above the upper top plate, the opening end of the rotating base is arranged upwards, and the bottom of the rotating base is connected with the upper surface of the upper top plate through a fine adjustment nut and horizontally rotates along with the upper top plate; a measuring machine head is also vertically arranged in the rotating base and is vertically and rotatably connected with the rotating base through a rotating bearing; and a first measuring hole and a second measuring hole are arranged on one side surface of the measuring machine head close to the steel pipe pile at left and right intervals, and the first measuring hole and the second measuring hole respectively rotate horizontally around the measuring machine head.
5. The steel pipe pile construction system based on the floating pile-stabilizing platform as claimed in claim 4, wherein: the travel recorder is also included; and each split truss is also provided with a stroke recorder, and the steel pipe pile sinking is corrected for verticality by matching the stroke recorder with the corresponding verticality detection mechanism.
6. The steel pipe pile construction system based on the floating pile-stabilizing platform as claimed in claim 1, wherein: 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 main crane on the floating crane ship 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 an auxiliary crane on the floating pile stabilizing platform through a third steel wire rope; the steel pipe pile is turned over by matching the main crane and the auxiliary crane, and the steel pipe pile is horizontally moved by the main crane.
7. The steel pipe pile construction process based on the floating pile-stabilizing platform as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
the method comprises the following steps: firstly, retracting the movable end of the longitudinal compensation cylinder to enable the second rotary bracket to support the compensator shell, then respectively placing the two split trusses on corresponding electromagnets at the head and the tail of the floating pile stabilizing platform, and then respectively entering the floating pile stabilizing platform and the floating crane ship;
step two: the floating pile stabilizing platform and the floating crane ship are respectively positioned after traveling to the construction station; then the movable end of the longitudinal compensation cylinder extends out to jack the compensator shell, then the second rotary support is turned over to be in a horizontal state, and the transverse and longitudinal positioning adjustment is respectively carried out on the corresponding split trusses through the matching of the transverse compensation cylinder and the longitudinal compensation cylinder, so that the horizontal positioning of the split trusses is ensured;
step three: then the auxiliary crane lifts the vibration hammer, and the split truss at the tail side of the floating pile-stabilizing platform is positioned through the four first positioning piles; then the auxiliary crane lifts and positions two perpendicularity detection mechanisms at the tail side of the floating pile-stabilizing platform through second positioning piles respectively;
step four: then, turning over the steel pipe pile by matching the main crane and the auxiliary crane; moving the steel pipe pile to a split truss at the tail side of the floating pile-stabilizing platform through a main crane, and positioning the steel pipe pile through the corresponding split truss; then the floating pile-stabilizing platform moves to enable the split truss at the stern side of the floating pile-stabilizing platform to exit from the U-shaped opening, and the floating pile-stabilizing platform is positioned again after going to the next construction position;
step five: then, a pile hammer is lifted by a main crane to press and sink the steel pipe pile; in the process, the verticality of the steel pipe pile sinking is corrected by matching the verticality detection mechanism with the stroke recorder;
step six: after the steel pipe pile at the tail side of the floating pile stabilizing platform is sunk, the floating crane ship recovers the corresponding split truss and moves to the stern of the floating pile stabilizing platform, and the split truss is placed on the corresponding electromagnet again; then, the ship is advanced to the bow of the floating pile-stabilizing platform for positioning again; then, the second to fifth steps are repeated to carry out pile sinking on the steel pipe pile at the bow side of the floating type pile stabilizing platform;
step seven: after the steel pipe pile at the bow side of the floating pile stabilizing platform is sunk, the main crane recovers the pile driving hammer, the auxiliary crane recovers the corresponding split truss, and the split truss at the bow side of the floating pile stabilizing platform is placed on the corresponding electromagnet again; and then the floating pile-stabilizing platform and the floating crane ship respectively leave the field.
8. The steel pipe pile construction process based on the floating pile-stabilizing platform as claimed in claim 7, wherein: in the fifth step, the concrete process of perpendicularity correction of the steel pipe pile sinking is as follows:
a) firstly, measuring the distance L from a measuring head to a steel pipe pile through a first measuring hole of the measuring head according to the laser ranging principle;
b) then the measuring machine head rotates up and down, the edge of the steel pipe pile is vertically swept, and the up-down rotation angle theta of the measuring machine head is obtained1And the distance L between the first measuring hole and the first measuring point of the steel pipe pile2And the distance L between the first measuring hole and the second measuring point of the steel pipe pile1(ii) a Calculating the distance L between the first measuring point and the second measuring point of the steel tapping pipe pile through a formula3；
c) Then the first measuring hole and the second measuring hole rotate left and right, the first measuring point and the second measuring point of the steel pipe pile are measured, and the angle theta of the left-right rotation between the first measuring hole and the second measuring hole is obtained2(ii) a Then the transverse distance L of the inclination of the first measuring point of the steel pipe pile is obtained through calculation4；
d) The inclination angle theta of the steel pipe pile relative to the vertical state is calculated through a formulax= arctan(L4/L3)；
e) Measuring the downward distance of the steel pipe pile by a stroke recorderIs far from L0And calculating by a formula to obtain the compensation distance of X = L0*sinθx。
9. The steel pipe pile construction process based on the floating pile-stabilizing platform as claimed in claim 8, wherein: in the step b), the upper and lower rotation angles theta of the handpiece are measured1The distance L between the first measuring hole and the first measuring point of the steel pipe pile is shorter and the distance L between the measuring machine head and the steel pipe pile is longer2And the distance L between the first measuring hole and the second measuring point of the steel pipe pile1Are all similar to the distance L from the measuring machine head to the steel pipe pile, and further the distance L between the first measuring point and the second measuring point of the steel pipe pile is obtained3=L*tanθ1。
10. The steel pipe pile construction process based on the floating pile-stabilizing platform as claimed in claim 8, wherein: in the step c), the transverse distance L of the first measuring point inclination of the steel pipe pile4= L*tanθ2。
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