CN117779750A - Underwater anchor pile running system - Google Patents
Underwater anchor pile running system Download PDFInfo
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- CN117779750A CN117779750A CN202311797731.9A CN202311797731A CN117779750A CN 117779750 A CN117779750 A CN 117779750A CN 202311797731 A CN202311797731 A CN 202311797731A CN 117779750 A CN117779750 A CN 117779750A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 12
- 239000013535 sea water Substances 0.000 claims description 26
- 210000002445 nipple Anatomy 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000010276 construction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000009933 burial Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides an underwater anchor pile sinking system, which belongs to the technical field of underwater anchor pile sinking, and comprises a supporting device, a detecting device, a guiding device, a piling device, a heave compensation device, a driving device and a damping device, wherein the supporting device is a piling ship, and the piling ship is stagnated on the sea surface corresponding to the operation position; the detection device and the guide device are connected to the piling ship through a connecting device; the pile driving device and the heave compensation device are arranged between the pile driving ship and the guide device, the pile driving device is used for driving the pile deep under water, and the heave compensation device is a heave compensator; the invention provides an underwater anchor pile running system, which can solve the problems that the existing underwater pile driving mode can disturb soil, the bearing capacity is low and the occupied time of a drilling machine is long.
Description
Technical Field
The invention belongs to the technical field of underwater anchor pile running, and particularly relates to an underwater anchor pile running system.
Background
In the development process of offshore oil and gas resources, anchor pile running and surface casing running are sometimes required. The underwater anchor pile is sunk into the seabed or the river bed, and the stability of the pile foundation is ensured by utilizing the friction force between the anchor pile and the seabed or the river bed. Before construction, the anchor pile needs to be designed, including parameters such as the type, specification, length, burial depth and the like of the anchor pile. The design of the anchor pile needs to consider factors such as geological conditions, hydrologic conditions, load conditions and the like so as to ensure that the anchor pile can meet engineering requirements. A series of construction equipment including anchor piles, cranes, tugs, measuring instruments, etc. are required to be used under the underwater anchor piles. These devices need to be subjected to rigorous inspection and debugging to ensure their proper operation. Sinking the anchor piles into the sea or river bed is a key step in the sinking of underwater anchor piles. Pile sinking is required to be carried out according to design requirements, and comprises parameters such as pile sinking speed, depth, direction and the like. The stability of the anchor pile needs to be closely concerned in the pile sinking process so as to ensure the construction safety. Connecting the anchor piles to the foundation is another important step under the underwater anchor piles. The connection needs to be in a proper connection mode, including welding, flange connection, threaded connection and the like. In the connection process, the firmness and reliability of the connection are required to be ensured. After the underwater anchor pile is embedded, quality detection is required, wherein the quality detection comprises parameters such as settlement of the anchor pile, settlement rate, connection strength of the anchor pile and a foundation and the like. The quality detection needs to adopt professional measuring instruments and detection methods to ensure the quality and stability of the anchor pile.
The existing underwater piling mode can disturb soil, has low bearing capacity and long occupied time of a drilling machine.
Disclosure of Invention
In view of the above, the invention provides an underwater anchor pile running system which can solve the problems that the existing underwater pile driving mode can disturb soil, the bearing capacity is low and the occupied time of a drilling machine is long.
The invention is realized in the following way:
the invention provides an underwater anchor pile running system, which comprises a supporting device, a detecting device, a guiding device, a piling device, a heave compensation device, a driving device and a damping device, wherein the supporting device is a piling ship, and the piling ship is stagnated on the sea surface corresponding to the operation position and is used for providing support for the running of the whole underwater anchor pile; the detection device and the guide device are connected to the pile driving boat through a connecting device, the detection device is used for detecting the underwater environment corresponding to the pile driving boat, and the guide device is used for providing a direction for the underwater anchor pile in the process of lowering; the pile driving device and the heave compensation device are arranged between the pile driving ship and the guide device, the pile driving device is used for driving the pile under deep water, and the heave compensation device is a heave compensator and is used for reducing the influence of sea waves on the pile driving device; the driving device is arranged on the pile driving ship and is a hydraulic cylinder and is used for driving the detection device, the guide device, the pile driving device and the heave compensation device to go deep into the water for pile driving; the damping device is arranged at the top of the piling device and is used for relieving vibration generated during operation of the piling device.
The underwater anchor pile running system provided by the invention has the following technical effects: the underwater anchor pile lowering system can work in the piling ship without using a drilling platform, is applicable when the wellhead distance is smaller, and has good economical efficiency; meanwhile, the underwater anchor pile launching system has smaller influence on the soil layer, so that the bearing capacity of the soil body on the launching component is increased, and the stability is enhanced; the underwater anchor pile running system can adapt to the soft characteristic of soil body and has good applicability; the underwater anchor pile running system can reduce the operation time, does not occupy the operation time of a drilling platform, and can solve the problems that the existing underwater pile driving mode can disturb soil, the bearing capacity is low and the occupied time of a drilling machine is long.
On the basis of the technical scheme, the underwater anchor pile running system can be further improved as follows:
the pile driving device comprises a pile cylinder, a pile driving hammer and an anvil seat, wherein the pile cylinder is of a square structure, the pile driving hammer and the anvil seat are arranged in the pile cylinder, and the anvil seat is fixed at the middle lower part of the pile cylinder and is used for transmitting the pile driving force generated by the pile driving hammer to the bottom of the pile cylinder; the pile hammer moves up and down in the pile cylinder and is used for applying pile driving force to the anvil seat;
the bottom of the iron anvil is provided with an injection nipple, an injection nipple conical port and a shoulder, the injection nipple is fixed at the bottom of the iron anvil and is used for piling the submarine injection fluid, the opening of the injection nipple is provided with the injection nipple conical port, and the injection nipple conical port is used for limiting the path and the size of the fluid emitted by the injection nipple; the shoulder is disposed between the iron anvil and a sidewall of the stake barrel.
The beneficial effects of adopting above-mentioned improvement scheme are: through setting up pile cylinder pile hammer and anvil, less to the influence of soil layer for the soil body is to the bearing capacity increase of going into the part, and stability obtains the reinforcing.
Further, an opening is formed in the bottom of the pile cylinder, and the opening is used for guiding out rock debris generated during operation of the pile driving device;
the top of the pile hammer is fixedly connected with a drill string, and the drill string is used for driving the pile hammer to move up and down to pile.
Further, the detection device is an underwater robot, and the underwater robot is connected with the piling ship through a first connecting mechanism; the underwater robot comprises an image acquisition unit, a sensing unit, a positioning unit and a power unit,
the image acquisition unit is an underwater camera and is used for acquiring underwater image data of the underwater robot;
the sensing unit comprises a flow rate meter and a temperature sensor, wherein the flow rate meter is used for monitoring the flow rate of seawater under the water where the underwater robot is located, and the temperature sensor is used for monitoring the temperature under the water where the underwater robot is located;
the positioning unit is a GPS (global positioning system) positioner and is used for positioning the position of the underwater robot;
the power unit is a propeller, and the propeller is used for driving the underwater robot to move underwater.
The beneficial effects of adopting above-mentioned improvement scheme are: by arranging the underwater robot, the underwater environment is monitored in real time, and the construction safety is ensured.
Further, the underwater robot comprises a sealed shell, a transparent acrylic plate is arranged at one side of the sealed shell, the underwater camera is fixed in the sealed shell, and a camera of the underwater camera is aligned to the transparent acrylic plate; the flowmeter and the temperature sensor are fixed on the surface of the sealing shell, the GPS positioner is fixed inside the sealing shell, and the propeller is fixed on one side of the sealing shell far away from the transparent acrylic plate.
Further, the damping device is a damper, and the damper is sleeved on the drill string and is used for reducing vibration generated when the drill string moves up and down.
Further, the guiding device is a guiding base plate, the guiding base plate comprises a base plate main body, a guiding unit and a driving unit, and the guiding unit and the driving unit are both arranged in the base plate main body; connecting lugs are arranged at the periphery of the guide base plate, and the piling ship is fixed with the connecting lugs through cables; the base plate main body comprises a shell, a cavity and a water suction pump, wherein the shell is in a symmetrical disc shape, a through hole is formed in the center position of the inside of the shell and used for fixing the pile cylinder, the cavity is formed between the side wall of the shell and the center position, and the cavity is used for storing seawater; the four sides of the cavity are provided with 4 water suction pumps which are symmetrically fixed at the edge positions of the cavity, and the space between the adjacent cavities is 90 degrees; the shell is provided with through holes at symmetrical positions of the water suction pump, the through holes correspond to the water suction pump, the water suction pump is used for adsorbing surrounding seawater into the cavity, and the weight of the guide base plate is adjusted;
the inner diameter of the through hole is matched with the outer diameter of the pile cylinder.
Further, the guiding unit comprises a GPS (global positioning system) positioner, and the GPS positioner is fixed in the shell and is used for positioning the guiding base plate in real time;
the driving units are 8 draining pumps, the 8 draining pumps are respectively fixed at the side wall positions of the shell, the 8 draining pumps are positioned on an arc, and 45 degrees are spaced between the adjacent draining pumps; the drainage pump is communicated with the cavity and seawater outside the shell and is used for draining the seawater in the cavity;
the shell is made of light materials and is used for floating on the water surface to perform preliminary positioning.
Further, the first connecting mechanism comprises a cable and a steering wheel, the steering wheel is fixed at the edge position of the piling ship, one end of the cable is wound on a first winch, the first winch is fixed on the piling ship, and the other end of the cable is fixedly connected with the underwater robot.
Further, the pile hammer is connected with the pile driving ship through a second connecting mechanism, the second connecting mechanism comprises a lifting rope, a pulley and a second winch, the second winch is fixed on the pile driving ship, the pulley is fixed at the edge position of the pile driving ship, one end of the lifting rope is wound on the second winch, and the other end of the lifting rope is fixedly connected with the pile hammer and used for driving the pile driving hammer to move up and down.
Compared with the prior art, the underwater anchor pile running system provided by the invention has the beneficial effects that: the underwater anchor pile lowering system can work in the piling ship without using a drilling platform, is applicable when the wellhead distance is smaller, and has good economical efficiency; meanwhile, the underwater anchor pile launching system has smaller influence on the soil layer, so that the bearing capacity of the soil body on the launching component is increased, and the stability is enhanced; the underwater anchor pile running system can adapt to the soft characteristic of soil body and has good applicability; the underwater anchor pile running system can reduce the operation time, does not occupy the operation time of a drilling platform, and can solve the problems that the existing underwater pile driving mode can disturb soil, the bearing capacity is low and the occupied time of a drilling machine is long.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an underwater anchor pile running system;
FIG. 2 is a schematic view of the construction of a pile driving device;
FIG. 3 is a schematic view of the construction of a pile hammer;
FIG. 4 is a schematic view of the structure of a guide base;
in the drawings, the list of components represented by the various numbers is as follows:
1. piling ship; 11. a hoisting rope; 12. a cable; 13. a pulley; 14. a second winch; 19. an iron anvil block; 2. an underwater robot; 20. jetting short sections; 21. injecting a short section conical port; 24. a shoulder; 27. a drill string; 28. a damper; 3. a guide base plate; 31. a housing; 32. a cavity; 33. a water suction pump; 34. a draining pump; 6. a pile cylinder; 7. piling hammer; 8. heave compensator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
1-4, in the drawings, the underwater anchor pile running system comprises a supporting device, a detecting device, a guiding device, a piling device, a heave compensation device, a driving device and a damping device, wherein the supporting device is a piling ship 1, and the piling ship 1 is stagnated on the sea surface corresponding to the operation position and is used for providing support for the whole underwater anchor pile running; the detection device and the guide device are connected to the piling ship 1 through the connecting device, the detection device is used for detecting the corresponding underwater environment of the piling ship 1, and the guide device is used for providing a direction for the underwater anchor pile in-going process; the pile driving device and the heave compensation device are arranged between the pile driving ship 1 and the guiding device, the pile driving device is used for driving piles under deep water, and the heave compensation device is a heave compensator 8 and is used for reducing the influence of sea waves on the pile driving device; the driving device is arranged on the piling ship 1, is a hydraulic cylinder and is used for driving the detection device, the guide device, the piling device and the heave compensation device to go deep into water for piling; the damping device is arranged at the top of the piling device and is used for damping vibration generated during operation of the piling device.
In the above technical solution, the pile driving device includes a pile cylinder 6, a pile hammer 7 and an anvil 19, where the pile cylinder 6 is in a square structure, the pile hammer 7 and the anvil 19 are both disposed inside the pile cylinder 6, and the anvil 19 is fixed at a middle lower portion of the pile cylinder 6 and used for transmitting pile driving force generated by the pile hammer 7 to a bottom of the pile cylinder 6; the piling hammer 7 moves up and down in the pile cylinder 6 for applying piling force to the anvil 19;
the bottom of the iron anvil 19 is provided with an injection nipple 20, an injection nipple conical port 21 and a shoulder 24, the injection nipple 20 is fixed at the bottom of the iron anvil 19 and is used for piling the submarine injection fluid, the opening of the injection nipple 20 is provided with the injection nipple conical port 21, and the injection nipple conical port 21 is used for limiting the path and the size of the fluid emitted by the injection nipple 20; a shoulder 24 is provided between the iron anvil 19 and the side wall of the pile drum 6.
Further, in the above technical solution, the bottom of the pile cylinder 6 is provided with an opening, and the opening is used for guiding out rock debris generated during the operation of the pile driving device;
the top of the pile hammer 7 is fixedly connected with a drill string 27, and the drill string 27 is used for driving the pile hammer 7 to move up and down to pile.
When the pile driving ship is used, the pile driving ship 1 is positioned on the sea, and the sinking position of the underwater anchor pile is determined; after the positioning is finished, the underwater robot 2 is placed under the water, and the periphery of the underwater environment is monitored through the underwater robot 2; after determining that the underwater environment where the piling ship 1 is positioned meets the operation requirement, the guiding base plate 3 is lowered into the sea water and fixed after reaching the designated piling position; placing the pile cylinder 6 at the center of the guide basal disc 3 through self gravity, lifting the pile hammer 7 by the pile driving boat 1, placing the pile hammer into the sea bottom, combining the pile hammer with the top of the pile cylinder 6, and starting the heave compensator 8 to perform pile driving operation; when the pile hammer 7 enters the pile cylinder 6, the pile hammer is driven to move up and down by a hydraulic cylinder, and pressure is continuously applied to the anvil 19 to pile; the jet nipple 20 performs hydraulic jet in the piling process of the piling hammer 7, and rock scraps are returned through the holes; after piling is completed in place, lifting up the piling hammer 7, recovering the guiding base plate 3, and completing construction.
Further, in the above technical solution, the detection device is an underwater robot 2, and the underwater robot 2 is connected with the piling ship 1 through a first connection mechanism; the underwater robot 2 comprises an image acquisition unit, a sensing unit, a positioning unit and a power unit,
the image acquisition unit is an underwater camera, and the underwater camera is used for acquiring underwater image data of the underwater robot 2;
the sensing unit comprises a flow rate meter and a temperature sensor, wherein the flow rate meter is used for monitoring the flow rate of seawater under the water where the underwater robot 2 is positioned, and the temperature sensor is used for monitoring the temperature under the water where the underwater robot 2 is positioned;
the positioning unit is a GPS (global positioning system) positioner which is used for positioning the position of the underwater robot 2;
the power unit is a propeller, and the propeller is used for driving the underwater robot 2 to move underwater.
When the pile driving ship is used, the pile driving ship 1 is positioned on the sea, and the sinking position of the underwater anchor pile is determined; after the positioning is finished, the underwater robot 2 is placed under the water, the underwater environment positioned by the piling ship 1 is collected through an underwater camera, the flow velocity and the temperature of the underwater water positioned by the piling ship 1 are monitored respectively through a flow velocity meter and a temperature sensor, meanwhile, the underwater robot 2 is driven by a propeller to monitor the surrounding of the underwater environment, and the specific position of the underwater robot 2 is determined through a GPS (global positioning system) positioner; after determining that the underwater environment where the piling ship 1 is positioned meets the operation requirement, the guiding base plate 3 is lowered into the sea water and fixed after reaching the designated piling position; placing the pile cylinder 6 at the center of the guide basal disc 3 through self gravity, lifting the pile hammer 7 by the pile driving boat 1, placing the pile hammer into the sea bottom, combining the pile hammer with the top of the pile cylinder 6, and starting the heave compensator 8 to perform pile driving operation; when the pile hammer 7 enters the pile cylinder 6, the pile hammer is driven to move up and down by a hydraulic cylinder, and pressure is continuously applied to the anvil 19 to pile; the jet nipple 20 performs hydraulic jet in the piling process of the piling hammer 7, and rock scraps are returned through the holes; after piling is completed in place, lifting up the piling hammer 7, recovering the guiding base plate 3, and completing construction.
Further, in the above technical scheme, the underwater robot 2 includes a sealed housing, a transparent acrylic plate is disposed at a side position of the sealed housing, the underwater camera is fixed in the sealed housing, and a camera of the underwater camera is aligned with the transparent acrylic plate; the flowmeter and the temperature sensor are fixed on the surface of the sealing shell, the GPS locator is fixed inside the sealing shell, and the propeller is fixed on one side of the sealing shell far away from the transparent acrylic plate.
Further, in the above technical solution, the damping device is a damper 28, and the damper 28 is sleeved on the drill string 27, so as to reduce vibration generated when the drill string 27 moves up and down.
Further, in the above technical solution, the guiding device is the guiding base plate 3, the guiding base plate 3 includes a base plate main body, a guiding unit, and a driving unit, both of which are disposed in the base plate main body; connecting lugs are arranged at the periphery of the guide base plate 3, and the piling ship 1 is fixed with the connecting lugs through cables; the base plate main body comprises a shell 31, a cavity 32 and a water suction pump 33, wherein the shell 31 is in a symmetrical disc shape, a through hole is formed in the center position of the inside of the shell 31 and used for fixing the pile cylinder 6, the cavity 32 is formed between the side wall of the shell 31 and the center position, and the cavity 32 is used for storing seawater; the four sides of the cavity 32 are provided with 4 water suction pumps 33, the water suction pumps 33 are symmetrically fixed at the edge positions of the cavity 32, and the space between the adjacent cavities 32 is 90 degrees; the shell 31 is provided with through holes at symmetrical positions of the water suction pump 33, the through holes correspond to the water suction pump 33, the water suction pump 33 is used for adsorbing surrounding seawater into the cavity 32, and the weight of the guide base plate 3 is adjusted;
the inner diameter of the through hole is matched with the outer diameter of the pile cylinder 6.
Further, in the above technical solution, the guiding unit includes a GPS positioner, which is fixed inside the housing 31 and is used for positioning the guiding base 3 in real time;
the driving units are 8 draining pumps 34, the 8 draining pumps 34 are respectively fixed on the side wall of the shell 31, the 8 draining pumps 34 are arranged on an arc, and the interval between the adjacent draining pumps 34 is 45 degrees; the drain pump 34 communicates the cavity 32 with the seawater outside the housing 31 for draining the seawater in the cavity 32;
the housing 31 is made of a lightweight material for preliminary positioning floating on the water surface.
When the pile driving ship is used, the pile driving ship 1 is positioned on the sea, and the sinking position of the underwater anchor pile is determined; after the positioning is finished, the underwater robot 2 is placed under the water, the underwater environment positioned by the piling ship 1 is collected through an underwater camera, the flow velocity and the temperature of the underwater water positioned by the piling ship 1 are monitored respectively through a flow velocity meter and a temperature sensor, meanwhile, the underwater robot 2 is driven by a propeller to monitor the surrounding of the underwater environment, and the specific position of the underwater robot 2 is determined through a GPS (global positioning system) positioner; after determining that the underwater environment where the piling ship 1 is positioned meets the operation requirement, lowering the guide base plate 3 into the sea water, and after performing foundation positioning on the sea surface, the guide base plate 3 absorbs the sea water inwards through the water suction pump 33, so that the weight is increased, and the guide base plate 3 is continuously lowered to the sea bottom; positioning the guide base plate 3 through a GPS (global positioning system) positioner in the guide base plate 3, continuously spraying the seawater in the cavity 32 through 8 drainage pumps 34 in different directions, and adjusting the position and the direction of the guide base plate 3 to ensure that the guide base plate 3 reaches a designated piling position and then is fixed; placing the pile cylinder 6 at the center of the guide basal disc 3 through self gravity, lifting the pile hammer 7 by the pile driving boat 1, placing the pile hammer into the sea bottom, combining the pile hammer with the top of the pile cylinder 6, and starting the heave compensator 8 to perform pile driving operation; when the pile hammer 7 enters the pile cylinder 6, the pile hammer is driven to move up and down by a hydraulic cylinder, and pressure is continuously applied to the anvil 19 to pile; the jet nipple 20 performs hydraulic jet in the piling process of the piling hammer 7, and rock scraps are returned through the holes; after piling is completed in place, lifting up the piling hammer 7, recovering the guiding base plate 3, and completing construction.
Further, in the above technical scheme, the first connection mechanism includes a cable 12 and a steering wheel, the steering wheel is fixed at the edge position of the piling ship 1, one end of the cable 12 is wound on the first winch, the first winch is fixed on the piling ship 1, and the other end of the cable 12 is fixedly connected with the underwater robot 2.
Further, in the above technical scheme, the pile hammer 7 is connected with the pile driving ship 1 through the second connection mechanism, the second connection mechanism comprises a lifting rope 11, a pulley 13 and a second winch 14, the second winch 14 is fixed on the pile driving ship 1, the pulley 13 is fixed at the edge position of the pile driving ship 1, one end of the lifting rope 11 is wound around the second winch 14, and the other end of the lifting rope is fixedly connected with the pile driving hammer 7 and is used for driving the pile driving hammer 7 to move up and down.
When the pile driving ship is used, the pile driving ship 1 is positioned on the sea, and the sinking position of the underwater anchor pile is determined; after the positioning is finished, the underwater robot 2 is lowered into the water through the cable 12, the underwater environment positioned by the piling ship 1 is collected through the underwater camera, the flow velocity meter and the temperature sensor respectively monitor the water flow velocity and the temperature of the water positioned by the piling ship 1, meanwhile, the propeller drives the underwater robot 2 to monitor the surrounding of the underwater environment, and the GPS positioner determines the specific position of the underwater robot 2; after determining that the underwater environment where the piling ship 1 is positioned meets the operation requirement, lowering the guide base plate 3 into the sea water, and after performing foundation positioning on the sea surface, the guide base plate 3 absorbs the sea water inwards through the water suction pump 33, so that the weight is increased, and the guide base plate 3 is continuously lowered to the sea bottom; positioning the guide base plate 3 through a GPS (global positioning system) positioner in the guide base plate 3, continuously spraying the seawater in the cavity 32 through 8 drainage pumps 34 in different directions, and adjusting the position and the direction of the guide base plate 3 to ensure that the guide base plate 3 reaches a designated piling position and then is fixed; placing the pile cylinder 6 at the center of the guide base plate 3 through self gravity, lifting the pile hammer 7 by the pile driving ship 1 through the lifting rope 11, placing the pile hammer into the sea floor, combining with the top of the pile cylinder 6, and starting the heave compensator 8 to perform pile driving operation; when the pile hammer 7 enters the pile cylinder 6, the pile hammer is driven to move up and down by a hydraulic cylinder, and pressure is continuously applied to the anvil 19 to pile; the jet nipple 20 performs hydraulic jet in the piling process of the piling hammer 7, and rock scraps are returned through the holes; after piling is completed in place, lifting up the piling hammer 7, recovering the guiding base plate 3, and completing construction.
Specifically, the principle of the invention is as follows: when the pile driving ship is used, the pile driving ship 1 is positioned on the sea, and the sinking position of the underwater anchor pile is determined; after the positioning is finished, the underwater robot 2 is lowered into the water through a cable 12, the underwater environment positioned by the piling ship 1 is collected through the underwater camera, a flowmeter and a temperature sensor monitor the water flow rate and the temperature of the water positioned by the piling ship 1 respectively, meanwhile, a propeller drives the underwater robot 2 to monitor the periphery of the underwater environment, and a GPS (global positioning system) positioner determines the specific position of the underwater robot 2; after determining that the underwater environment where the piling ship 1 is positioned meets the operation requirement, lowering the guide base plate 3 into sea water, and after performing foundation positioning on the sea surface, the guide base plate 3 absorbs the sea water inwards through the water suction pump 33, so that the weight is increased, and the guide base plate 3 is continuously lowered to the sea bottom; positioning the guide base plate 3 through a GPS (global positioning system) positioner in the guide base plate 3, continuously spraying the seawater in the cavity 32 through 8 drainage pumps 34 in different directions, and adjusting the position and the direction of the guide base plate 3 so that the guide base plate 3 reaches a designated piling position and is fixed; placing the pile cylinder 6 at the center of the guide base plate 3 through self gravity, lifting the pile hammer 7 by the pile driving ship 1 through the lifting rope 11, placing the pile hammer into the sea floor, combining the pile cylinder 6 with the top, and starting the heave compensator 8 to perform pile driving operation; when the pile hammer 7 enters the pile cylinder 6, the pile hammer is driven to move up and down by the hydraulic cylinder, and pressure is continuously applied to the anvil 19 to pile; the jet pup joint 20 performs hydraulic jet in the piling process of the piling hammer 7, and rock scraps are returned through holes; after piling is completed in place, lifting up the piling hammer 7, recovering the guide base plate 3, and completing construction.
Claims (10)
1. The underwater anchor pile running system is characterized by comprising a supporting device, a detecting device, a guiding device, a piling device, a heave compensation device, a driving device and a damping device, wherein the supporting device is a piling ship (1), and the piling ship (1) is stopped on the sea surface corresponding to the operation position and is used for providing support for the whole underwater anchor pile running; the detection device and the guide device are connected to the piling ship (1) through a connecting device, the detection device is used for detecting the underwater environment corresponding to the piling ship (1), and the guide device is used for providing a direction for the underwater anchor pile in the process of being placed in the underwater anchor pile; the pile driving device and the heave compensation device are arranged between the pile driving ship (1) and the guiding device, the pile driving device is used for driving the pile under the water, and the heave compensation device is a heave compensator (8) and is used for reducing the influence of sea waves on the pile driving device; the driving device is arranged on the piling ship (1), is a hydraulic cylinder and is used for driving the detection device, the guide device, the piling device and the heave compensation device to go deep into water for piling; the damping device is arranged at the top of the piling device and is used for relieving vibration generated during operation of the piling device.
2. An underwater anchor pile running system as claimed in claim 1, wherein the pile driving device comprises a pile cylinder (6), a pile driving hammer (7) and an anvil (19), the pile cylinder (6) is of a square structure, the pile driving hammer (7) and the anvil (19) are arranged inside the pile cylinder (6), and the anvil (19) is fixed at the middle lower part of the pile cylinder (6) and used for transmitting the pile driving force generated by the pile driving hammer (7) to the bottom of the pile cylinder (6); the piling hammer (7) moves up and down in the pile cylinder (6) and is used for applying piling force to the anvil seat (19);
the bottom of the anvil seat (19) is provided with an injection nipple (20), an injection nipple conical port (21) and a shoulder (24), the injection nipple (20) is fixed at the bottom of the anvil seat (19) and is used for piling the submarine injection fluid, the opening of the injection nipple (20) is provided with the injection nipple conical port (21), and the injection nipple conical port (21) is used for limiting the path and the size of the fluid emitted by the injection nipple (20); the shoulder (24) is arranged between the anvil (19) and the side wall of the pile cylinder (6).
3. An underwater anchor pile running system as claimed in claim 2, characterised in that the bottom of the pile drum (6) is provided with an aperture for the removal of cuttings produced during operation of the piling device;
the top of the pile hammer (7) is fixedly connected with a drill string (27), and the drill string (27) is used for driving the pile hammer (7) to move up and down to pile.
4. A submerged anchor pile running system according to claim 3, characterized in that the detection means is a submerged robot (2), the submerged robot (2) being connected to the piling vessel (1) by a first connection means; the underwater robot (2) comprises an image acquisition unit, a sensing unit, a positioning unit and a power unit,
the image acquisition unit is an underwater camera and is used for acquiring underwater image data of the underwater robot (2);
the sensing unit comprises a flow rate meter and a temperature sensor, wherein the flow rate meter is used for monitoring the flow rate of seawater under the water where the underwater robot (2) is located, and the temperature sensor is used for monitoring the temperature under the water where the underwater robot (2) is located;
the positioning unit is a GPS (global positioning system) positioner and is used for positioning the position of the underwater robot (2);
the power unit is a propeller, and the propeller is used for driving the underwater robot (2) to move underwater.
5. The underwater anchor pile running system according to claim 4, wherein the underwater robot (2) comprises a sealed shell, a transparent acrylic plate is arranged at one side position of the sealed shell, the underwater camera is fixed in the sealed shell, and a camera of the underwater camera is aligned with the transparent acrylic plate; the flowmeter and the temperature sensor are fixed on the surface of the sealing shell, the GPS positioner is fixed inside the sealing shell, and the propeller is fixed on one side of the sealing shell far away from the transparent acrylic plate.
6. An underwater anchor pile running system as claimed in claim 5, wherein the damping means is a damper (28), the damper (28) being arranged around the drill string (27) for damping vibrations generated when the drill string (27) is moved up and down.
7. An underwater anchor pile running system as claimed in claim 6, wherein the guiding means is a guiding base plate (3), the guiding base plate (3) comprising a base plate body and guiding units, a driving unit, the guiding units and the driving unit being both arranged in the base plate body; connecting lugs are arranged at the periphery of the guide base plate (3), and the piling ship (1) is fixed with the connecting lugs through cables; the base plate main body comprises a shell (31), a cavity (32) and a water suction pump (33), wherein the shell (31) is in a symmetrical disc shape, a through hole is formed in the center position of the inside of the shell (31) and used for fixing the pile cylinder (6), the cavity (32) is formed between the side wall of the shell (31) and the center position, and the cavity (32) is used for storing seawater; the four sides of the cavity (32) are provided with 4 water suction pumps (33), the water suction pumps (33) are symmetrically fixed at the edge positions of the cavity (32), and the adjacent cavities (32) are spaced by 90 degrees; the shell (31) is provided with through holes at symmetrical positions of the water suction pump (33), the through holes correspond to the water suction pump (33), the water suction pump (33) is used for adsorbing surrounding seawater into the cavity (32) and adjusting the weight of the guide base plate (3);
the inner diameter of the through hole is matched with the outer diameter of the pile cylinder (6).
8. An underwater anchor pile running system as claimed in claim 7, wherein the guiding unit comprises a GPS locator fixed inside the housing (31) for locating the guiding base plate (3) in real time;
the driving units are 8 draining pumps (34), the 8 draining pumps (34) are respectively fixed at the side wall positions of the shell (31), the 8 draining pumps (34) are positioned on an arc, and the interval between every two adjacent draining pumps (34) is 45 degrees; the drainage pump (34) is communicated with the cavity (32) and the seawater outside the shell (31) and is used for draining the seawater in the cavity (32);
the shell (31) is made of light materials and is used for floating on the water surface to perform preliminary positioning.
9. An underwater anchor pile running system as claimed in claim 8, wherein the first connection means comprises a cable (12) and a steering wheel, the steering wheel being fixed at the edge of the piling vessel (1), one end of the cable (12) being wound around a first winch, the first winch being fixed to the piling vessel (1), the other end of the cable (12) being fixedly connected to the underwater robot (2).
10. An underwater anchor pile running system as claimed in claim 9, wherein the pile driving hammer (7) is connected with the pile driving vessel (1) by a second connection mechanism, the second connection mechanism comprises a lifting rope (11), a pulley (13) and a second winch (14), the second winch (14) is fixed on the pile driving vessel (1), the pulley (13) is fixed at the edge position of the pile driving vessel (1), one end of the lifting rope (11) is wound around the second winch (14), and the other end is fixedly connected with the pile driving hammer (7) and is used for driving the pile driving hammer (7) to move up and down.
Priority Applications (1)
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CN202311797731.9A CN117779750A (en) | 2023-12-26 | 2023-12-26 | Underwater anchor pile running system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311797731.9A CN117779750A (en) | 2023-12-26 | 2023-12-26 | Underwater anchor pile running system |
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CN117779750A true CN117779750A (en) | 2024-03-29 |
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CN202311797731.9A Pending CN117779750A (en) | 2023-12-26 | 2023-12-26 | Underwater anchor pile running system |
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CN (1) | CN117779750A (en) |
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2023
- 2023-12-26 CN CN202311797731.9A patent/CN117779750A/en active Pending
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