CN109972620B - Device for automatically cutting foundation pile lifting lugs on piling ship and cutting method of device - Google Patents
Device for automatically cutting foundation pile lifting lugs on piling ship and cutting method of device Download PDFInfo
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- CN109972620B CN109972620B CN201910188934.5A CN201910188934A CN109972620B CN 109972620 B CN109972620 B CN 109972620B CN 201910188934 A CN201910188934 A CN 201910188934A CN 109972620 B CN109972620 B CN 109972620B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001294 propane Substances 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/005—Machines, apparatus, or equipment specially adapted for cutting curved workpieces, e.g. tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
- B23K7/105—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a quick and efficient automatic foundation pile lifting lug cutting device on an offshore pile driving ship, which comprises a vertical guide rail arranged on a pile frame, wherein a sliding table is movably arranged on the guide rail, and a power device for driving the sliding table to move up and down is arranged on the pile frame or a ship body; the cutting platform is provided with a hydraulic pump station and a cutting module, wherein the cutting platform rotates around a vertical axis, and the hydraulic cylinder drives the cutting platform to rotate; be equipped with the stopper on the slip table, be equipped with on the stopper with cutting platform matched with travel switch, cutting module includes first sliding seat and the first actuating mechanism of drive first sliding seat, is equipped with the second sliding seat on the first sliding seat and drives the second actuating mechanism of second sliding seat, is equipped with laser sensor on the second sliding seat, still is equipped with automatic flame cutting machine on the second sliding seat, is equipped with the propane gas pitcher to automatic flame cutting machine air feed on the cutting platform. The invention also discloses a cutting method of the device.
Description
Technical Field
The invention relates to a device for automatically cutting foundation pile lifting lugs on a piling ship and a cutting method thereof.
Background
In the current society, with the development of the ocean, more and more working platforms for operation need to be built on the ocean, and piling work needs to be carried out by a piling ship before the platform is built. The piling ship is a ship for water piling operation, the ship body is of a steel box structure, the end part of the deck is provided with a piling frame, and the piling ship can pitch forwards and backwards to adapt to the requirement of piling inclined piles. Lifting lugs on the foundation pile need to be cut off before piling to reduce pile driving resistance.
Methods of cutting foundation pile lifting lugs are also known in the art. For example, a person is sent to the high altitude through a hanging cage to reach a designated working position, and the lifting lug of the foundation pile is cut; however, this method is not satisfactory because it is relatively dangerous and presents a certain threat to the safety of the staff; furthermore, the effect of cutting the lifting lug is also common because the cage is unstable during cutting.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the device for automatically cutting the foundation pile lifting lugs on the offshore piling ship is rapid and efficient.
In order to solve the technical problems, the invention adopts the following technical scheme: the device for automatically cutting the foundation pile lifting lug on the piling ship comprises a vertical guide rail arranged on a pile frame, wherein a sliding table is movably arranged on the guide rail, and a power device for driving the sliding table to move up and down is arranged on the pile frame or the ship body; a distance measuring platform is arranged below the lifting lug of the foundation pile on the pile frame, a screw rod mechanism which is horizontally arranged and perpendicular to the plane of the lifting lug is arranged on the distance measuring platform, a sliding block of the screw rod mechanism is provided with a first travel switch matched with the outer surface of the foundation pile, the first travel switch contacts the surface of the foundation pile below the lifting lug to trigger and send a signal to control the screw rod mechanism to stop moving, and the sliding block is provided with a first laser sensor for measuring the distance between the nearest lifting lugs; the first laser sensor and the power device are electrically connected with the central control device, a cutting platform rotating around a vertical axis and a hydraulic cylinder driving the cutting platform to rotate are arranged on the sliding table, and a hydraulic pump station and a cutting module which are connected with the hydraulic cylinder are arranged on the cutting platform; a limiting block is arranged on the sliding table, a second travel switch matched with the cutting platform is arranged on the limiting block, and the cutting platform can trigger the second travel switch after rotating to a position close to the foundation pile; the cutting module comprises a first sliding seat and a first driving mechanism, wherein the first sliding seat is arranged along the connecting line direction of the foundation pile and the pile frame, the first driving mechanism is used for driving the first sliding seat, a second sliding seat which slides along the direction perpendicular to the movement direction of the first sliding seat and a second driving mechanism are arranged on the first sliding seat, a second laser sensor is arranged on the second sliding seat, an automatic flame cutting machine with a cutting nozzle moving up and down is further arranged on the second sliding seat, a propane gas tank for supplying gas to the automatic flame cutting machine is arranged on the cutting platform, and the first driving mechanism is a first screw rod mechanism driven by a first motor; the second driving mechanism is a second screw mechanism driven by a second motor; the cutting platform is provided with a battery for supplying power to the first motor and the second motor.
The beneficial effect of this device is: the mechanism adopts the laser sensor and the three-degree-of-freedom adjusting mechanism, and signals obtained by the laser sensor are fed back to the adjusting mechanism, so that the positioning precision is improved, the function of automatically cutting foundation pile lifting lugs is realized, and the quality of each lifting lug notch is ensured; the cutting efficiency is improved, the consistency of products is improved, the labor force is liberated, and the production cost of enterprises is reduced; in addition, the mechanism adopts a hydraulic device, ensures that the cutting platform can reach a designated working position by using small force, can not generate great moment during working, and avoids the influence of deformation of the cutting platform on the positioning of the cutting nozzle of the automatic flame cutting machine.
Because the power device comprises the guide pulley arranged on the pile frame, the sliding table is provided with a cable, and the cable bypasses the guide pulley and is connected with the winch arranged on the hull of the piling ship.
The first driving mechanism is a first screw mechanism driven by a first motor; the second driving mechanism is a second screw rod mechanism driven by a second motor, so that the cutting nozzle of the automatic flame cutting machine moves more accurately, and the cutting precision is improved.
Another technical problem to be solved by the invention is: a method for cutting lifting lugs by the device is provided.
In order to solve the technical problems, the invention adopts the following technical scheme: the method for cutting the lifting lug by the device comprises the following steps:
step one: establishing a coordinate system; the X 'axis is established by the central line of the pile frame twisting point, the direction close to the cutting platform is the forward direction, the upward Z' axis is established by the upright post of the pile frame, the Y 'axis is taken as the intersection point O' of the X 'axis and the Z' axis, and the direction close to the pile body is the forward direction;
step two: positioning a cutting position; the distance measuring platform starts to act, the screw rod mechanism moves with the first travel switch and the first laser sensor, when the first travel switch contacts the outer surface of the foundation pile, the screw rod mechanism stops moving, and at the moment, the coordinate of the first laser sensor is P 0 ′(x 0 ,y 0 ,z 0 ) At the moment, the first laser sensor works, the vertical distance between the first laser sensor and the lower surface of the lifting lug on the left side of the foundation pile is measured to be L, and then signals are fed back to the control system; the cutting position P 'of the left lifting lug can be obtained' 1 (T/2+Δx′,L3-D/2-Δy′,z 0 +L+B+Deltaz ') cutting position P ' of the lifting lug on the right upper side of the foundation pile ' 2 (T/2+Δx′，L3+D/2+Δy′,z 0 +L+L1+Δz ') point, when cutting position P ' of lifting lug on right lower side of foundation pile ' 3 (T/2+Δx′,L3+D/2+Δy′,z 0 +l-l2+Δz '), the cutting stroke is b+2Δz'; l1 is the vertical distance from the lower surface of the lifting lug on the left side of the foundation pile to the upper surface of the lifting lug on the right upper side of the foundation pile, and L2 is the vertical distance from the lower surface of the lifting lug on the left side of the foundation pile to the upper surface of the lifting lug on the right lower side of the foundation pile; l3 is the distance from the origin O 'to the midpoint of the foundation pile, deltax' is the distance from the cutting torch to the right side surface of the lifting lug when the cutting torch is ignited, deltay 'is the distance from the cutting torch to the lug root when the cutting torch is ignited, deltaz' is the distance from the cutting torch to the upper surface of the lifting lug when the cutting torch begins to cut, D is the diameter of the foundation pile, B is the height of the lifting lug of the foundation pile, and T is the thickness of the lifting lug of the foundation pile;
step three: adjusting a cutting platform; the cutting platform is positioned at the initial position, and the position of the cutting torch relative to the origin O' is known at the moment; the winch pulls the sliding table through the mooring rope, the sliding table moves up and down along the guide rail with the cutting platform, and the cutting platform moves to a height corresponding to the cutting position of the first foundation pile lifting lug to be cut based on signals obtained by the ranging platform; the cutting platform rotates under the action of the workbench hydraulic cylinder, the hydraulic cylinder rotates to bring the cutting platform to touch the limiting block, the second travel switch is pressed into the limiting block, and at the moment, the hydraulic cylinder stops acting and maintains pressure;
step four: cutting; the cable pulls the sliding table, the first driving mechanism and the second driving mechanism to adjust the coordinates of the cutting torch together, so that the cutting torch accurately reaches the cutting position; the cutting machine automatically ignites to perform cutting operation, the cutting stroke is B+2Deltaz', the cutting machine stops working after the stroke is finished, after one foundation pile lifting lug is cut, a sliding table, a first driving mechanism and a second driving mechanism are pulled by a cable to drive a cutting nozzle to move to the position of the next foundation pile lifting lug to be cut, and then the required lifting lug is subjected to cutting operation;
step five: returning the cutting platform to the original position; after the foundation pile lifting lug is cut, the hydraulic cylinder reversely rotates, and then the winch pulls the sliding table through the mooring rope, and the sliding table moves back to the original position along the guide rail with the cutting platform.
The method has the beneficial effects that: the method can automatically complete cutting of the foundation pile lifting lug, is high in accuracy, and greatly improves cutting efficiency of the lifting lug.
Drawings
Fig. 1 is an overall elevation view of the present invention.
Fig. 2 is an overall plan view of the present invention.
Fig. 3 is a partially enlarged schematic view of fig. 2 at a.
Fig. 4 is a perspective view of the initial position of the workbench of the invention.
Fig. 5 is a top view of the start position of the table of the present invention.
Fig. 6 is a perspective view of the working position of the workbench of the invention.
Fig. 7 is a top view of the working position of the working table of the present invention.
Fig. 8 is a partially enlarged schematic view of fig. 4 at B.
Fig. 9 is a schematic diagram of a pile frame coordinate system.
Fig. 10 is a schematic view of the lug position in a coordinate system.
FIG. 11 is a schematic view of the position of the cutting tip in a coordinate system.
In fig. 1 to 11: 1. the ship body, 2, the winch, 3, the cable, 4, the pile frame hydraulic cylinder and 5, the pile frame; 6. pile gripper; 7. a foundation pile; 8. a cutting platform; 9. a sliding table; 10. the guide rail, 11. The range finding platform; 111-a first laser sensor; 112-a first travel switch; 113-screw mechanism, 12. Pile frame twisted point.
81-a hydraulic pump station; 82-propane gas tank; 83-cell; 84-a cutting module; 841-a first motor; 842-a second slide mount; 843-first slide seat; 844-a second laser sensor; 845-a second motor; 846-automatic flame cutter; 91-a hydraulic cylinder; 92-limiting blocks; 93-second travel switch.
Detailed Description
Specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-11, the device for automatically cutting lifting lugs of foundation piles 7 on a piling ship comprises a vertical guide rail 10 arranged on a pile frame 5, wherein a sliding table 9 is movably arranged on the guide rail 10, and a power device for driving the sliding table 9 to move up and down is arranged on a ship body; the power device comprises a guide pulley arranged on the pile frame 5, a cable 3 is arranged on the sliding table 9, and the cable 3 bypasses the guide pulley and is connected with a winch 2 arranged on the piling ship body 1. A ranging platform 11 is arranged below the lifting lug of the foundation pile 7 on the pile frame 5, a screw rod 113 which is horizontally arranged and perpendicular to the plane of the lifting lug is arranged on the ranging platform 11, a first travel switch 112 matched with the outer surface of the foundation pile 7 is arranged on a sliding block of the screw rod mechanism 113, the first travel switch 112 contacts the surface of the foundation pile 7 below the lifting lug to trigger and send a signal to control the screw rod mechanism 113 to stop moving, and a first laser sensor 111 for measuring the nearest lifting lug distance is arranged on the sliding block; the first laser sensor 111 and the power means are electrically connected to the central control means.
The sliding table 9 is provided with a cutting platform 8 rotating around a vertical axis and a hydraulic cylinder 91 driving the cutting platform 8 to rotate, and the cutting platform 8 is provided with a hydraulic pump station 81 connected with the hydraulic cylinder 91 and a cutting module 84; a limiting block 92 is arranged on the sliding table 9, a second travel switch 93 matched with the cutting platform 8 is arranged on the limiting block 92, and the cutting platform 8 can trigger the second travel switch 93 after rotating to a position close to the foundation pile 7;
the cutting module 84 includes a first sliding seat 843 provided along a connecting line direction of the foundation pile 7 and the pile frame 5, and a first driving mechanism driving the first sliding seat 843, the first driving mechanism being a first screw mechanism driven by a first motor 841. The first sliding seat 843 is provided with a second sliding seat 842 sliding along a direction perpendicular to the movement direction of the first sliding seat 843 and a second driving mechanism for driving the second sliding seat 842, and the second driving mechanism is a second screw mechanism driven by the second motor 845. The cutting table 8 is provided with a battery 83 for supplying power to the first motor 841 and the second motor 845. The second sliding seat 842 is provided with a second laser sensor 844, the second sliding seat 842 is also provided with an automatic flame cutting machine 846 with a cutting nozzle moving up and down, and the cutting platform 8 is provided with a propane gas tank 82 for supplying gas to the automatic flame cutting machine 846.
The method for cutting the lifting lug by the device comprises the following steps:
step one: establishing a coordinate system; the X 'axis is established by the central line of the pile frame twisting point 12, the direction close to the cutting platform 8 is the forward direction, the upward Z' axis is established by the upright post of the pile frame 5, the Y 'axis is the intersection point O' of the X 'axis and the Z' axis, and the direction close to the pile body is the forward direction;
step two: positioning a cutting position; the distance measuring platform 11 starts to operate, the screw rod mechanism 113 moves with the first travel switch 112 and the first laser sensor 111, and when the first travel switch 112 contacts the outer surface of the foundation pile 7, the screw rod mechanism 113 stops moving, and at the moment, the coordinate of the first laser sensor 111 is P 0 ′(x 0 ,y0,z 0 ) At this time, the first laser sensor 111 works, the vertical distance between the first laser sensor 111 and the lower surface of the left lifting lug of the foundation pile 7 is measured to be L, and then a signal is fed back to the control system; the cutting position P 'of the left lifting lug can be obtained' 1 (T/2+Δx′，L3-D/2-Δy′,z 0 +L+B+Deltaz '), cutting position P ' of lifting lug on upper right side of foundation pile 7 ' 2 (T/2+Δx′,L3+D/2+Δy′,z 0 +L+L1+Δz ') point, when cutting the cutting position P ' of the lifting lug on the right lower side of the foundation pile 7 ' 3 (T/2+Δx′,L3+D/2+Δy′,z 0 +l-l2+Δz '), the cutting stroke is b+2Δz';
l1 is the vertical distance from the lower surface of the left lifting lug of the foundation pile 7 to the upper surface of the right lifting lug of the foundation pile 7, and L2 is the vertical distance from the lower surface of the left lifting lug of the foundation pile 7 to the upper surface of the right lower lifting lug of the foundation pile 7; l3 is the distance from the origin O 'to the midpoint of the foundation pile 7, deltax' is the distance from the cutting torch to the right side surface of the lifting lug when the cutting torch is ignited, deltay 'is the distance from the cutting torch to the lug root when the cutting torch is ignited, deltaz' is the distance from the cutting torch to the upper surface of the lifting lug when the cutting torch begins to cut, D is the diameter of the foundation pile 7, B is the height of the lifting lug of the foundation pile 7, and T is the thickness of the lifting lug of the foundation pile 7;
step three: adjusting a cutting platform 8; the cutting deck 8 is in the initial position, since the position of the cutting torch relative to the origin O' is known at this time; the winch 2 pulls the sliding table 9 through the cable 3, the sliding table 9 moves up and down along the guide rail 10 with the cutting platform 8, and the cutting platform 8 moves to the height corresponding to the cutting position of the lifting lug of the first foundation pile 7 to be cut based on the signal obtained by the distance measuring platform 11; the cutting platform 8 rotates under the action of the workbench hydraulic cylinder 91, the hydraulic cylinder 91 touches the limiting block 92 when rotating with the cutting platform 8, the second travel switch 93 is pressed into the limiting block 92, and at the moment, the hydraulic cylinder 91 stops and keeps pressure;
step four: cutting; the cable 3 pulls the sliding table 9 and the first driving mechanism and the second driving mechanism to adjust the coordinates of the cutting torch together, so that the cutting torch can accurately reach the cutting position; the cutting machine automatically ignites to perform cutting operation, the cutting stroke is B+2Deltaz', the cutting machine stops working after the stroke is finished, after one lifting lug of the foundation pile 7 is cut, a sliding table 9, a first driving mechanism and a second driving mechanism are pulled by a cable 3 to drive a cutting nozzle to move to the position of the lifting lug of the next foundation pile 7 to be cut, and then the required lifting lug is subjected to cutting operation;
step five: the cutting platform 8 returns to the original position; when the lifting lug of the foundation pile 7 is cut, the hydraulic cylinder 91 rotates reversely, and then the winch 2 pulls the sliding table 9 through the cable 3, and the sliding table 9 moves back to the original position along the guide rail 10 with the cutting platform 8.
The lifting lugs on the foundation piles 7 may not be positioned against the flame cutter 846, but the range of the lifting lugs is constant, so that no deviation correcting device is required, and the cutting can still obtain high-quality cuts.
The above-described embodiments are merely illustrative of the principles and functions of the present invention, and some of the practical examples, not intended to limit the invention; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (2)
1. Device of automatic cutout foundation pile lug on pile carrier, its characterized in that: the pile frame or the ship body is provided with a power device for driving the sliding table to move up and down; a distance measuring platform is arranged below the lifting lug of the foundation pile on the pile frame, a screw rod mechanism which is horizontally arranged and perpendicular to the plane of the lifting lug is arranged on the distance measuring platform, a sliding block of the screw rod mechanism is provided with a first travel switch matched with the outer surface of the foundation pile, the first travel switch contacts the surface of the foundation pile below the lifting lug to trigger and send a signal to control the screw rod mechanism to stop moving, and the sliding block is provided with a first laser sensor for measuring the distance between the nearest lifting lugs; the first laser sensor and the power device are electrically connected with the central control device, a cutting platform rotating around a vertical axis and a hydraulic cylinder driving the cutting platform to rotate are arranged on the sliding table, and a hydraulic pump station and a cutting module which are connected with the hydraulic cylinder are arranged on the cutting platform; a limiting block is arranged on the sliding table, a second travel switch matched with the cutting platform is arranged on the limiting block, and the cutting platform can trigger the second travel switch after rotating to a position close to the foundation pile; the cutting module comprises a first sliding seat and a first driving mechanism, wherein the first sliding seat is arranged along the connecting line direction of the foundation pile and the pile frame, the first driving mechanism is used for driving the first sliding seat, a second sliding seat which slides along the direction perpendicular to the movement direction of the first sliding seat and a second driving mechanism are arranged on the first sliding seat, a second laser sensor is arranged on the second sliding seat, an automatic flame cutting machine with a cutting nozzle moving up and down is further arranged on the second sliding seat, a propane gas tank for supplying gas to the automatic flame cutting machine is arranged on the cutting platform, and the first driving mechanism is a first screw rod mechanism driven by a first motor; the second driving mechanism is a second screw mechanism driven by a second motor; the cutting platform is provided with a battery for supplying power to the first motor and the second motor.
2. The method of cutting a lifting lug with the apparatus of claim 1, comprising the steps of:
step one: establishing a coordinate system; the X 'axis is established by the central line of the pile frame twisting point, the direction close to the cutting platform is the forward direction, the upward Z' axis is established by the upright post of the pile frame, the Y 'axis is taken as the intersection point O' of the X 'axis and the Z' axis, and the direction close to the pile body is the forward direction;
step two: positioning a cutting position; the distance measuring platform starts to act, the screw rod mechanism moves with the first travel switch and the first laser sensor, when the first travel switch contacts the outer surface of the foundation pile, the screw rod mechanism stops moving, and at the moment, the coordinate of the first laser sensor is P 0 '(x 0 ,y0,z 0 ) At the moment, the first laser sensor works, the vertical distance between the first laser sensor and the lower surface of the lifting lug on the left side of the foundation pile is measured to be L, and then signals are fed back to the control system; the cutting position P 'of the left lifting lug can be obtained' 1 (T/2+△x′,L3-D/2-△y′,z 0 +L+B+ [ delta ] z '), cutting position P ' of lifting lug on right upper side of foundation pile ' 2 (T/2+△x′,L3+D/2+△y′,z 0 +L+L1+ [ delta ] z '), when cutting the cutting position P ' of the lifting lug on the right lower side of the foundation pile ' 3 (T/2+△x′,L3+D/2+△y′，z 0 +L-L2+ [ delta ] z '), the cutting stroke is B+2 [ delta ] z'; l1 is the vertical distance from the lower surface of the lifting lug on the left side of the foundation pile to the upper surface of the lifting lug on the right upper side of the foundation pile, and L2 is the vertical distance from the lower surface of the lifting lug on the left side of the foundation pile to the upper surface of the lifting lug on the right lower side of the foundation pile; l3 is the distance from the origin O 'to the midpoint of the foundation pile, deltax' is the distance from the cutting torch to the right side surface of the lifting lug when the cutting torch is ignited, deltay 'is the distance from the cutting torch to the root of the lifting lug when the cutting torch is ignited, deltaz' is the distance from the cutting torch to the upper surface of the lifting lug when the cutting torch begins to cut, D is the diameter of the foundation pile, B is the height of the lifting lug of the foundation pile, and T is the lifting lug of the foundation pileThe thickness of the ear;
step three: adjusting a cutting platform; the cutting platform is positioned at the initial position, and the position of the cutting torch relative to the origin O' is known at the moment; the winch pulls the sliding table through the mooring rope, the sliding table moves up and down along the guide rail with the cutting platform, and the cutting platform moves to a height corresponding to the cutting position of the first foundation pile lifting lug to be cut based on signals obtained by the ranging platform; the cutting platform rotates under the action of the workbench hydraulic cylinder, the hydraulic cylinder rotates to bring the cutting platform to touch the limiting block, the second travel switch is pressed into the limiting block, and at the moment, the hydraulic cylinder stops acting and maintains pressure;
step four: cutting; the cable pulls the sliding table, the first driving mechanism and the second driving mechanism to adjust the coordinates of the cutting torch together, so that the cutting torch accurately reaches the cutting position; the cutting machine automatically ignites to perform cutting operation, the cutting stroke is B+2 Deltaz', the cutting machine stops working after the stroke is finished, after one foundation pile lifting lug is cut, a sliding table, a first driving mechanism and a second driving mechanism are pulled by a cable to drive a cutting nozzle to move to the position of the next foundation pile lifting lug to be cut, and then the required lifting lug is subjected to cutting operation;
step five: returning the cutting platform to the original position; after the foundation pile lifting lug is cut, the hydraulic cylinder reversely rotates, and then the winch pulls the sliding table through the mooring rope, and the sliding table moves back to the original position along the guide rail with the cutting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188934.5A CN109972620B (en) | 2019-03-13 | 2019-03-13 | Device for automatically cutting foundation pile lifting lugs on piling ship and cutting method of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188934.5A CN109972620B (en) | 2019-03-13 | 2019-03-13 | Device for automatically cutting foundation pile lifting lugs on piling ship and cutting method of device |
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| Publication Number | Publication Date |
|---|---|
| CN109972620A CN109972620A (en) | 2019-07-05 |
| CN109972620B true CN109972620B (en) | 2023-12-26 |
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| CN111521153B (en) * | 2020-07-02 | 2022-09-13 | 上海雄程海洋工程股份有限公司 | Method for measuring pile parameters in pile sinking process |
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| CN109972620A (en) | 2019-07-05 |
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