CN212506363U - Equipment suitable for rock-socketed construction of offshore wind power high-rise pile cap foundation - Google Patents
Equipment suitable for rock-socketed construction of offshore wind power high-rise pile cap foundation Download PDFInfo
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- CN212506363U CN212506363U CN202021150598.XU CN202021150598U CN212506363U CN 212506363 U CN212506363 U CN 212506363U CN 202021150598 U CN202021150598 U CN 202021150598U CN 212506363 U CN212506363 U CN 212506363U
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- wind power
- offshore wind
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- 238000010276 construction Methods 0.000 title claims abstract description 44
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 28
- 229910000831 Steel Inorganic materials 0.000 description 26
- 239000010959 steel Substances 0.000 description 26
- 230000002787 reinforcement Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A device suitable for the rock-socketed construction of a marine wind power high pile cap foundation comprises a hydraulic oil cylinder 1, a large frame 2, a hydraulic lifting mechanism 3 and a walking chassis 4; the hydraulic oil cylinder 1 is hinged and movably connected with the big frame 2 through a hinge point B, the hydraulic oil cylinder 1 is hinged and movably connected with the walking chassis 4 through a hinge point A, the big frame 2 is hinged and movably connected with the walking chassis 4 through a hinge point C, and the big frame 2 realizes the adjustment of the working angle of the big frame 2 through the hydraulic expansion of the hydraulic oil cylinder 1; the top of the big frame 2 is provided with a hydraulic lifting mechanism 3, and the hydraulic lifting mechanism 3 can realize self-hoisting of simple auxiliary facilities. The utility model discloses place the rig on the rock-socketed platform of supporting design, be applied to the batter pile and inlay the rock construction, have on the platform automatic walking counterpoint, angular adjustment, simply hang heavily, drilling accurate, dismantle fast, advantage such as easy operation, guarantee rock-socketed construction quality, improve construction progress management.
Description
Technical Field
The patent of the utility model relates to an offshore wind power construction field specifically says an equipment suitable for construction of rock-socketed basis of offshore wind power high pile cap.
Background
In recent years, as the offshore wind power high-pile bearing platform has low requirements on ship equipment, the raw materials of steel pipe piles are sufficient, and a plurality of manufacturers are provided, the offshore wind power high-pile bearing platform is widely used in offshore wind power projects; high pile cap basis is the batter pile basis, and the rock-socketed construction has all put forward higher requirement to drilling machine equipment, construction platform, and conventional rig exists that drilling angle is fixed, the removal rig needs the cooperation of on-board crane, rig control multiple problems such as complicated, leads to construction speed slow, and the fault rate is high, and construction cost increases.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problem, the utility model provides a be applicable to the equipment of offshore wind power high pile cap basis rock-socketed construction herein can solve conventional rig angle and fix, remove difficulty, operate complicated scheduling problem, promotes drilling efficiency, guarantees the construction progress.
The utility model provides a technical scheme that its technical problem adopted is:
a device suitable for the rock-socketed construction of a marine wind power high pile cap foundation comprises a hydraulic oil cylinder 1, a large frame 2, a hydraulic lifting mechanism 3 and a walking chassis 4; the hydraulic oil cylinder 1 is hinged and movably connected with the big frame 2 through a hinge point B, the hydraulic oil cylinder 1 is hinged and movably connected with the walking chassis 4 through a hinge point A, the big frame 2 is hinged and movably connected with the walking chassis 4 through a hinge point C, and the big frame 2 realizes the adjustment of the working angle of the big frame 2 through the hydraulic expansion of the hydraulic oil cylinder 1; the top of the big frame 2 is provided with a hydraulic lifting mechanism 3, and the hydraulic lifting mechanism 3 can realize self-hoisting of simple auxiliary facilities.
The utility model discloses still have following additional technical characterstic:
as the utility model discloses technical scheme further specifically optimizes: the top end of the big frame 2 is provided with a power head 5.
As the utility model discloses technical scheme further specifically optimizes: the drill bit 7 is connected to the power head 5 by a jointed drill rod, the drill bit 7 and jointed drill rod being matched to the drill hole diameter.
As the utility model discloses technical scheme further specifically optimizes: a centralizer 8 is additionally arranged at intervals of 10 meters on the connecting drill rod.
As the utility model discloses technical scheme further specifically optimizes: the top side of the large frame 2 is provided with a winch 6.
As the utility model discloses technical scheme further specifically optimizes: lifting support legs 41 are arranged at four corners of the walking chassis 4, and automatic alignment walking is realized through the lifting support legs 41.
As the utility model discloses technical scheme further specifically optimizes: the lifting force of the hydraulic lifting mechanism 3 meets the auxiliary hoisting requirement of high pile cap foundation inclined pile rock-socketed construction under the existing condition, and the lifting force of the hydraulic lifting mechanism 3 is not unique and can be adjusted and increased in time according to the follow-up requirement.
Compared with the prior art, the utility model, its advantage lies in:
the method has the advantages that: the utility model discloses place the rig on the rock-socketed platform of supporting design, be applied to the batter pile and inlay the rock construction, have on the platform automatic walking counterpoint, angular adjustment, simply hang heavily, drilling accurate, dismantle fast, advantage such as easy operation, guarantee rock-socketed construction quality, improve construction progress management.
The method has the advantages that: the utility model can automatically walk and align on the platform, and the angle adjustment is automatically adjusted by a set of hydraulic oil cylinder 1, and the adjustment range is between 8 and 12 degrees; the hydraulic lifting mechanism 3 of 3.5 tons is arranged, and some simple auxiliary facilities can be automatically lifted in the construction process;
the method has the advantages that: the utility model can automatically pressurize and drill, and can ensure the accuracy of drilling; the utility model has the advantages of full hydraulic stepless speed change, reduced impact damage of the drill rod and the drilling tool; the drill pressure of the utility model can be adjusted according to the working condition, thereby ensuring the inclination and aperture precision of the drilled hole; the utility model can fast disassemble and assemble the drill rod by the tiltable power head; the utility model has the advantages that the hanging type power head and the tiltable frame can quickly lift and put the drilling tool and the drill rod; the utility model discloses complete machine light in weight, size are little, convenient to operate and use.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the drilling machine for the rock-socketed construction of the offshore wind power high pile cap foundation of the utility model;
FIG. 2 is a schematic view of the power head 5 for the offshore wind power high pile cap foundation rock-socketed construction of the present invention;
FIG. 3 is a schematic view of the hoist 6 for the rock-socketed construction of the offshore wind power high pile cap foundation of the present invention;
FIG. 4 is the utility model discloses a drill bit 7 schematic diagram for construction of rock-socketed of offshore wind power high pile cap basis
Fig. 5 is another schematic view of the drill bit 7 for the offshore wind power high pile cap foundation socketed rock construction of the present invention;
fig. 6 is the utility model discloses a centralizer 8 schematic diagram that is used for marine wind power high pile cushion cap basis rock-socketed construction.
Description of reference numerals: a hydraulic oil cylinder 1; a large frame 2; a hydraulic lifting mechanism 3; a walking chassis 4; lifting legs 41; a power head 5; a hoist 6; a drill bit 7; a centralizer 8.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more completely understood, and the scope of the present disclosure may be fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure is not limited to the embodiments set forth herein.
A device suitable for the rock-socketed construction of a marine wind power high pile cap foundation comprises a hydraulic oil cylinder 1, a large frame 2, a hydraulic lifting mechanism 3 and a walking chassis 4; the hydraulic oil cylinder 1 is hinged and movably connected with the big frame 2 through a hinge point B, the hydraulic oil cylinder 1 is hinged and movably connected with the walking chassis 4 through a hinge point A, the big frame 2 is hinged and movably connected with the walking chassis 4 through a hinge point C, and the big frame 2 realizes the adjustment of the working angle of the big frame 2 through the hydraulic expansion of the hydraulic oil cylinder 1; the top of big frame 2 is provided with hydraulic pressure lifting mechanism 3, and hydraulic pressure lifting mechanism 3's lifting force is 3.5 tons, and hydraulic pressure lifting mechanism 3 can realize simple auxiliary facilities's hoist and mount by oneself.
The top end of the big frame 2 is provided with a power head 5. The drill bit 7 is connected to the power head 5 by a jointed drill rod, the drill bit 7 and jointed drill rod being matched to the drill hole diameter.
A centralizer 8 is additionally arranged at intervals of 10 meters on the connected drill rod, and in order to ensure that the drill bit 7 does not have eccentricity and inclination exceeding the standard and design requirements after drilling to the tip of the steel pipe pile, the centralizer 8 is additionally arranged at intervals of 10 meters on the drill rod in the steel pipe pile.
The top side of the large frame 2 is provided with a winch 6. The guide pipe adopts a guide pipe with the outer diameter of phi 325, the length of a bottom section of a single sleeve of the guide pipe is 4m, the length of a standard section is 2m, auxiliary guide pipes with the lengths of 0.5m and 1m are additionally arranged, and the number of the guide pipes is increased or decreased according to different pile lengths; a centralizer is arranged eight meters from the bottom of the conduit to ensure that the conduit is not clamped when being installed; the conduit is assembled to be straight and is hoisted, lengthened and lowered section by section through a hoist 6.
Lifting support legs (41) are arranged at four corners of the walking chassis (4), a walking disc (42) is arranged in the middle of the four lower parts of the walking chassis (4), and automatic alignment walking is realized through the alternative matching of the lifting support legs (41) and the walking disc (42).
A construction method of equipment suitable for rock-socketed construction of an offshore wind power high-rise pile cap foundation comprises the following steps:
step one, barge transportation: and after the pile sinking of the steel pipe pile is completed, treating the pile head of the steel pipe pile, and transporting the rock-socketed platform and the drilling machine equipment to a construction site through the barge.
Step two, hoisting the rock-socketed platform: and hoisting the rock-socketed platform to the steel pipe pile through a crane ship and reinforcing.
Step three, installing a drilling machine: and hoisting the drilling machine to the rock-socketed platform by a crane ship, and placing the drilling machine in the steel pipe pile.
Drilling construction: the drill bit 7 extends into the steel pipe pile for drilling construction, the drill rod is increased to reach the designed elevation depth, and slag removal in the pile is realized through the reverse circulation device.
Clearing holes and installing a reinforcement cage: and after the holes are formed, carrying out hole cleaning operation after the holes are qualified through supervision and inspection, hoisting the reinforcement cage after the holes are cleaned, and putting down the concrete guide pipe.
Step sixthly, concrete pouring: concrete pouring in the steel pipe pile is achieved through the stirring boat, and the guide pipe is detached after the pouring is completed.
Seventhly, dismantling the rock embedding platform: and after drilling and pouring concrete of all the steel pipe piles are completed in sequence, the rock-socketed platform is separated from the steel pipe piles.
The construction method of the equipment suitable for the rock-socketed construction of the offshore wind power high-rise pile cap foundation comprises the following steps:
step one, barge transportation: after the steel pipe pile sinking is finished, a pile head cutting temporary operation platform is erected by using the steel pipe pile, the elevation of the designed pile top is measured by using a GPS (global positioning system), a cutting line is drawn, and the pile head is cut off to the designed elevation, so that the pile top forms a horizontal plane, and the installation and the positioning of a rock-socketed platform are facilitated; after the embedded rock platform is welded at the wharf, the whole embedded rock platform is integrally hung on a square barge through a crane ship, and the embedded rock platform and drilling equipment are transported to a construction site through the square barge.
Step two, hoisting the rock-socketed platform: after the socketed platform is transported to a preset machine position through the barge, a crane ship is selected to hoist the socketed platform to the steel pipe pile during installation, the steel pipe pile and the socketed platform are firmly fixed by a connecting system, hoisting deviation is controlled during hoisting, and the balance stress of the steel pipe pile is guaranteed.
Step three, installing a drilling machine: after the rock-socketed platform is installed, a drilling machine is hoisted to the rock-socketed platform through a barge crane unit to be assembled, and a power head 5 is installed on the large frame 2 and moved to a pile position; when the drill rod is installed, firstly, the inclination of the drill rod is measured by an inclinometer in two directions, so that the inclination deviation of the drill rod is controlled within 1 percent; when the angle of the drilling machine is adjusted through the hydraulic oil cylinder 1, the levelness of a wedge-shaped cushion block of a base is checked through a leveling ruler, the wedge-shaped cushion block is filled and leveled through a steel plate, and the inclination of a turntable is rechecked through a theodolite; after the drilling machine is in place, the axial center of the drill rod, the center of the rotary table and the axial center of the pile are ensured to be on the same straight line.
Drilling construction: the drilling machine uses a drill bit 7 matched with the diameter of a drilled hole and a connecting type drill rod; connecting a drill bit 7 to the power head 5 through a drill rod, and additionally arranging a centralizer 8 at intervals of 10 meters on the drill rod in the steel pipe pile in order to ensure that the drill bit 7 does not have eccentricity and inclination exceeding the standard and design requirements after drilling to the pile tip of the steel pipe pile so as to ensure that the drill bit 7 does not droop after the drill bit 7 taps the pile tip of the pipe pile and ensure that the inclination of a drilled hole meets the requirements; the drill bit 7 is drilled to the design elevation position by increasing the drill rod length.
Clearing holes and installing a reinforcement cage: after the hole is formed to the designed depth, firstly detecting the depth, and cleaning the hole after the requirement is met; cleaning holes by adopting a pump suction reverse circulation process; namely, after the drilling machine stops working, the drilling machine is stopped for about two hours to allow suspended matters in the hole to precipitate at the bottom of the hole, and then the precipitates in the hole are cleared.
After the reinforcement cage is processed at a wharf, the reinforcement cage is manufactured in sections, specification and design requirements must be met, and spot welding must be performed between stirrups and main reinforcements to be firm, so that marine transportation and installation are facilitated; and (4) carrying out manufacture according to design requirements on the main reinforcement connection of the reinforcement cage, and then transporting the main reinforcement connection to the site by using a barge.
The installation of the steel reinforcement cage adopts the installation of a crawler crane of a square barge crane unit, a single-strand double-channel steel wire rope is used when the steel reinforcement cage is placed, after the steel reinforcement cage is installed, the steel wire rope fixed at the top end of a drilling machine is untied, and the winch 6 pulls the steel wire rope in the hole to the hole.
The guide pipe adopts a guide pipe with the outer diameter of phi 325, the length of a bottom section of a single sleeve of the guide pipe is 4m, the length of a standard section is 2m, auxiliary guide pipes with the lengths of 0.5m and 1m are additionally arranged, and the number of the guide pipes is increased or decreased according to different pile lengths; a centralizer is arranged eight meters from the bottom of the conduit to ensure that the conduit is not clamped when being installed; the conduit is assembled to be straight and is hoisted, lengthened and lowered section by section through a hoist 6.
Step sixthly, concrete pouring: concrete pouring is carried out by pumping the concrete into the steel pipe pile by using a stirring boat, and the guide pipe is detached by using a winch 6 in the pouring process, so that the burial depth can not exceed 6 meters; and after the concrete reaches the designed elevation, the residual guide pipe is dismantled through the winch 6 and is used for the next time after being cleaned.
Seventhly, dismantling the rock embedding platform: and removing the construction machines and the objects on the top surface of the rock-socketed platform to the barge, and hoisting the rock-socketed platform to the barge by the crane ship to be transported to the next machine position.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides an equipment suitable for construction of rock is inlayed to offshore wind power high pile cushion cap basis which characterized in that: comprises a hydraulic oil cylinder (1), a big frame (2), a hydraulic lifting mechanism (3) and a walking chassis (4); the hydraulic oil cylinder (1) is hinged and movably connected with the large frame (2) through a hinge point B, the hydraulic oil cylinder (1) is hinged and movably connected with the walking chassis (4) through a hinge point A, the large frame (2) is hinged and movably connected with the walking chassis (4) through a hinge point C, and the large frame (2) is used for adjusting the working angle of the large frame (2) through hydraulic expansion of the hydraulic oil cylinder (1); the top of the big frame (2) is provided with a hydraulic lifting mechanism (3), and the hydraulic lifting mechanism (3) can realize self-hoisting of simple auxiliary facilities.
2. The equipment suitable for offshore wind power high-rise pile cap foundation rock-socketed construction according to claim 1, characterized in that: the top end of the big frame (2) is provided with a power head (5).
3. The equipment suitable for offshore wind power high-rise pile cap foundation rock-socketed construction according to claim 1, characterized in that: and connecting the drill bit (7) to the power head (5) through a connecting drill rod, wherein the drill bit (7) and the connecting drill rod are matched with the diameter of the drilled hole.
4. The equipment suitable for offshore wind power high pile cap foundation socketed rock construction according to claim 3, characterized in that: a centralizer (8) is additionally arranged at intervals of 10 meters on the connecting drill rod.
5. The equipment suitable for offshore wind power high-rise pile cap foundation rock-socketed construction according to claim 1, characterized in that: the side surface of the top of the big frame (2) is provided with a windlass (6).
6. The equipment suitable for offshore wind power high-rise pile cap foundation rock-socketed construction according to claim 1, characterized in that: lifting support legs (41) are arranged at four corners of the walking chassis (4), a walking disc (42) is arranged in the middle of the four lower parts of the walking chassis (4), and automatic alignment walking is realized through the alternative matching of the lifting support legs (41) and the walking disc (42).
7. The equipment suitable for offshore wind power high-rise pile cap foundation rock-socketed construction according to claim 1, characterized in that: the lifting force of the hydraulic lifting mechanism (3) is not unique and can be adjusted and increased in time according to subsequent requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150598.XU CN212506363U (en) | 2020-06-19 | 2020-06-19 | Equipment suitable for rock-socketed construction of offshore wind power high-rise pile cap foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150598.XU CN212506363U (en) | 2020-06-19 | 2020-06-19 | Equipment suitable for rock-socketed construction of offshore wind power high-rise pile cap foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506363U true CN212506363U (en) | 2021-02-09 |
Family
ID=74389369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150598.XU Expired - Fee Related CN212506363U (en) | 2020-06-19 | 2020-06-19 | Equipment suitable for rock-socketed construction of offshore wind power high-rise pile cap foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506363U (en) |
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2020
- 2020-06-19 CN CN202021150598.XU patent/CN212506363U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |