CN114184537A - Steel structure corrosion law testing device of offshore wind power pile foundation - Google Patents
Steel structure corrosion law testing device of offshore wind power pile foundation Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000005260 corrosion Methods 0.000 title claims abstract description 24
- 230000007797 corrosion Effects 0.000 title claims abstract description 24
- 238000007667 floating Methods 0.000 claims abstract description 91
- 230000001133 acceleration Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005188 flotation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 239000013535 sea water Substances 0.000 description 10
- 238000010248 power generation Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The invention provides a steel structure corrosion law testing device of an offshore wind power pile foundation, which comprises a tower pile foundation, wherein a lifting assembly and a supporting assembly are sequentially sleeved outside the tower pile foundation from top to bottom, and a testing assembly is arranged at the top end of the supporting assembly; the supporting assembly comprises a floating ring sleeved outside the tower cylinder pile foundation, a floating barrel which is inserted on the floating ring shell in a penetrating way and arranged around the axis of the tower cylinder pile foundation, and a buoyancy control mechanism fixed on the outer surface of the floating ring; the test assembly is including being fixed in the camera of flotation pontoon upper surface, and be fixed in the waterproof box of floating ring upper surface, the inside one end of waterproof box is fixed with acceleration sensor, the inside other end of waterproof box is fixed with distance sensor. The invention can create a good shooting environment for shooting of the camera, so that the camera can clearly and comprehensively shoot the outer surface of the tower pile foundation, and the detection effect is improved.
Description
Technical Field
The invention mainly relates to the technical field of offshore wind power generation equipment, in particular to a steel structure corrosion rule testing device for an offshore wind power pile foundation.
Background
At present, offshore power generation is a key area of renewable energy development in the world, and compared with onshore power generation, the environment of offshore power generation is more complex, so that corrosion is a prominent problem which must be considered in offshore power generation.
According to the on-line detection equipment for the corrosion of the splash zone of the offshore wind power single-pile foundation provided by the patent document with the application number of CN201711251148.2, the wind power single-pile detection equipment comprises a wind driven generator erected on the sea, a tower base extending out of the sea bottom, and a vertical cylindrical tower base sequentially penetrates through a sea mud zone, a full immersion zone, a tidal range zone and a splash zone of the sea from bottom to top until the sea mud zone enters and exits the atmospheric zone; the detection equipment comprises an annular platform sleeved on the periphery of a tower drum foundation in a splash zone, and the annular platform is installed on the tower drum foundation through a lifting device; be equipped with a plurality of water repellent's camera on the cyclic annular platform, the camera lens orientation of each camera is in the tower section of thick bamboo basis in splash zone to reciprocate the in-process at elevating gear drive cyclic annular platform and carry out image shooting to the outer wall that is in the tower section of thick bamboo basis in splash zone. Through the arrangement, the annular platform is driven by the lifting device to correspondingly lift and displace in the wave and tide area, so that the purpose that the camera arranged on the annular platform can comprehensively shoot the tower drum foundation of the wave and tide area and accurately acquire the corrosion detection information of the tower drum foundation of the wave and tide area is achieved.
The detection equipment can be used for comprehensively shooting the tower drum foundation of the tidal zone and accurately acquiring the corrosion detection information of the tower drum foundation of the tidal zone, but the detection equipment is difficult to detect the tower drum part under the water surface, so that the test effect is not ideal enough.
Disclosure of Invention
The invention mainly provides a steel structure corrosion rule testing device of an offshore wind power pile foundation, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the steel structure corrosion law testing device for the offshore wind power pile foundation comprises a tower pile foundation, wherein a lifting assembly and a supporting assembly are sequentially sleeved outside the tower pile foundation from top to bottom, and a testing assembly is arranged at the top end of the supporting assembly;
the supporting assembly comprises a floating ring sleeved outside the tower cylinder pile foundation, a floating barrel which is inserted on the floating ring shell in a penetrating way and arranged around the axis of the tower cylinder pile foundation, and a buoyancy control mechanism fixed on the outer surface of the floating ring;
the test assembly is including being fixed in the camera of flotation pontoon upper surface, and be fixed in the waterproof box of floating ring upper surface, the inside one end of waterproof box is fixed with acceleration sensor, the inside other end of waterproof box is fixed with distance sensor.
Furthermore, the lifting component is located including the cover the spacing ring of tower section of thick bamboo pile foundation surface, and be fixed in the hoist engine of spacing ring upper surface, the execution end of hoist engine with the floating ring is connected, provides the support for the hoist engine through the spacing ring, and the second wire rope of winding on to the reel through the hoist engine is received the rope action and is put the rope action to drive the floating ring and go up and down.
Furthermore, the lifting assembly further comprises a separating ring sleeved on the outer surface of the winding drum of the winch, a first steel wire rope wound on the outer surface of the winding drum of the winch and a second steel wire rope wound on the other end of the outer surface of the winding drum of the winch, wherein one end of the second steel wire rope penetrates through the floating ring to be connected with the connector, the connector is fixed on the upper surface of the floating ring, and the winding drum of the winch is separated so that the first steel wire rope and the second steel wire rope can not be wound mutually through blocking of the separating ring, and stability of rope winding and rope unwinding of the second steel wire rope and the first steel wire rope on the winding drum of the winch is improved.
Furthermore, a first through hole for the second steel wire rope to penetrate is formed in the shell of the limiting ring, a second through hole and a third through hole are formed in one side, close to the tower pile foundation, of the first through hole, the second through hole and the third through hole are formed in the shell of the limiting ring, the first through hole, the second through hole and the third through hole are arranged in a triangular array mode, the rope winding action and the rope unwinding action of the second steel wire rope are guided through the first through hole and the third through hole, and the rope winding action and the rope unwinding action of the first steel wire rope are guided through the second through hole.
Furthermore, the lifting assembly further comprises a first pulley block arranged at the top end of the second through hole and fixed on the upper surface of the limiting ring, and a second pulley block fixed on one side of the first pulley block, wherein the first pulley block is abutted with the first steel wire rope, the second pulley block is abutted with the second steel wire rope, and the first pulley block is used as an inflection point of the first steel wire rope to enable the first steel wire rope to be tensioned on a pulley of the first pulley block so as to prevent the first steel wire rope from directly rubbing with the second through hole.
Furthermore, the end of the first steel wire rope penetrating through the third through hole and the end of the second steel wire rope penetrating through the second through hole are both connected with a counterweight hammer, and the first steel wire rope and the second steel wire rope are kept in a plumb state through the counterweight hammer, so that impact generated when the floating ring collides with the tower pile foundation is absorbed through the first steel wire rope and the second steel wire rope.
Furthermore, a plurality of reinforcing beams are fixed on the lower surface of the limiting ring, openings for the first steel wire rope and the second steel wire rope to penetrate through are formed in the shell of each reinforcing beam, attachments on the first steel wire rope and the second steel wire rope are scraped through the openings, and erosion of the attachments on the first steel wire rope and the second steel wire rope is reduced.
Furthermore, the buoyancy control mechanism is including being fixed in the gasbag of superficial ring surface, be fixed in the pump of superficial ring one end upper surface, and be fixed in the aspiration pump of superficial ring other end upper surface, be connected through the hose between the end of giving vent to anger of pump and the income gas end of gasbag, be connected through the hose between the end of giving vent to anger of aspiration pump and the gasbag, take out the intra-annular air of superficial through the aspiration pump to reduce the buoyancy of superficial ring, make the superficial ring can sink into the sea water.
Furthermore, acceleration sensor and distance sensor all with data collection station electric connection, data collection station is connected with the server through the wire, collects the acceleration of floating ring through acceleration sensor, detects the distance between floating ring and the tower section of thick bamboo pile foundation through distance sensor.
Further, the supporting component is still including locating a plurality of displacement mechanisms of floating ring lower surface, it is a plurality of displacement mechanism encircles the setting of tower section of thick bamboo pile foundation, displacement mechanism is including being fixed in the motor of floating ring lower surface, and be fixed in a plurality of propeller blades of the surface of the output shaft of motor drive its output shaft through the motor on propeller blade rotate to the messenger promotes through rotatory propeller blade and floats the ring and carry out the displacement.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can create a good shooting environment for shooting of the camera, so that the camera can clearly and comprehensively shoot the outer surface of the tower pile foundation, and the detection effect is improved, and the method specifically comprises the following steps: collect the acceleration of floating ring through acceleration sensor, detect the distance between floating ring and the tower section of thick bamboo pile foundation through distance sensor, judge through the server whether the acceleration of floating ring and its and the distance between the tower section of thick bamboo pile foundation are in the threshold value, thereby it is less at the acceleration, also when the sea water fluctuation is comparatively gentle, control the camera that is connected with the communication end of server and carry out work, motor among the timely control displacement mechanism, so that the tower section of thick bamboo pile foundation is kept away from to the floating ring, make the distance that keeps the adaptation shooting between tower section of thick bamboo pile foundation and the floating ring, improve the effect of the picture of shooing.
Secondly, the invention can drive the camera to sink into water, thereby detecting different areas of the tower pile foundation so as to facilitate the research of the subsequent corrosion law, and specifically comprises the following steps: aerify for the gasbag of floating ring surface through the pump to improve the buoyancy of floating ring, when floating ring need sink to the sea water, take out the intra-annular air of floating ring through the aspiration pump, with the buoyancy that reduces floating ring, make floating ring can sink to the sea water, shoot the unrestrained district, tidal range district and the full immersion area of tower section of thick bamboo pile foundation respectively, with the environment transform when utilizing the tide rise and the tide fall, test the corruption law of tower section of thick bamboo pile foundation.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an isometric view of the present invention;
FIG. 5 is a schematic view of the displacement mechanism of the present invention;
FIG. 6 is an enlarged view of the structure of area A in FIG. 3;
FIG. 7 is an enlarged view of the structure of region B in FIG. 3;
FIG. 8 is a flow chart of the present invention.
In the figure: 10. a tower pile foundation; 20. a lifting assembly; 21. a limiting ring; 211. a first through hole; 212. a second through hole; 213. a third through hole; 214. a reinforcing beam; 215. an opening; 22. a winch; 23. a first wire rope; 24. a second wire rope; 25. a connector; 26. a first pulley block; 27. a second pulley block; 28. a counterweight hammer; 29. a spacer ring; 30. a support assembly; 31. a floating ring; 32. a float bowl; 33. a buoyancy control mechanism; 331. an air bag; 332. an inflator pump; 333. an air pump; 34. a displacement mechanism; 341. a motor; 342. a propeller blade; 40. testing the component; 41. a camera; 42. a waterproof box; 43. an acceleration sensor; 44. a distance sensor; 45. a data acquisition unit; 46. and (4) a server.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, referring to fig. 1-8, the device for testing the steel structure corrosion law of the offshore wind power pile foundation comprises a tower pile foundation 10, wherein a lifting assembly 20 and a supporting assembly 30 are sequentially sleeved outside the tower pile foundation 10 from top to bottom, and a testing assembly 40 is arranged at the top end of the supporting assembly 30;
the support assembly 30 comprises a floating ring 31 sleeved outside the tower pile foundation 10, a buoy 32 inserted into a shell of the floating ring 31 and arranged around the axis of the tower pile foundation 10, and a buoyancy control mechanism 33 fixed on the outer surface of the floating ring 31;
the test assembly 40 comprises a camera 41 fixed on the upper surface of the buoy 32 and a waterproof box 42 fixed on the upper surface of the floating ring 31, wherein an acceleration sensor 43 is fixed at one end of the inside of the waterproof box 42, and a distance sensor 44 is fixed at the other end of the inside of the waterproof box 42.
Specifically, please refer to fig. 3, 4 and 6 again, the lifting assembly 20 includes a limiting ring 21 sleeved on the outer surface of the tower pile foundation 10, a winch 22 fixed on the upper surface of the limiting ring 21, an execution end of the winch 22 is connected to the floating ring 31, the lifting assembly 20 further includes a separating ring 29 sleeved on the outer surface of the winding drum of the winch 22, a first steel wire rope 23 arranged on one side of the separating ring 29 and wound on the outer surface of the winding drum of the winch 22, and a second steel wire rope 24 wound on the other end of the outer surface of the winding drum of the winch 22, one end of the second steel wire rope 24 penetrates through the floating ring 31 to be connected to the connecting head 25, and the connecting head 25 is fixed on the upper surface of the floating ring 31;
it should be noted that, in this embodiment, the limiting ring 21 provides a support for the winch 22, and the winch 22 performs rope reeling and releasing actions on the second steel wire rope 24 wound on the winding drum to drive the floating ring 31 to lift;
further, the drum of the winding machine 22 is partitioned such that the first wire rope 23 and the second wire rope 24 can pass through the barrier of the partition ring 29 without being twisted with each other, thereby improving the stability of the winding and unwinding operations of the second wire rope 24 and the first wire rope 23 on the drum of the winding machine 22.
Specifically, please refer to fig. 3, 4 and 6 again, a first through hole 211 for inserting the second steel wire rope 24 is formed in the housing of the limiting ring 21, a second through hole 212 and a third through hole 213 are formed in one side of the first through hole 211 close to the tower pile foundation 10, the second through hole 212 and the third through hole 213 are both disposed on the housing of the limiting ring 21, the first through hole 211, the second through hole 212 and the third through hole 213 are arranged in a triangular array on the same side, the lifting assembly 20 further includes a first pulley block 26 disposed at the top end of the second through hole 212 and fixed on the upper surface of the limiting ring 21, and a second pulley block 27 fixed on one side of the first pulley block 26, the first pulley block 26 abuts against the first steel wire rope 23, the second pulley block 27 abuts against the second steel wire rope 24, one end of the first steel wire rope 23 penetrating through the third through hole 213 and one end of the second steel wire rope 24 penetrating through the second through hole 212 are both connected with a counterweight 28, a plurality of reinforcing beams 214 are fixed on the lower surface of the limiting ring 21, and openings 215 for the first steel wire rope 23 and the second steel wire rope 24 to penetrate through are formed in the shell of each reinforcing beam 214;
it should be noted that, in this embodiment, the limiting ring 21 is used for the second steel wire rope 24 to penetrate through the first through hole 211 and the third through hole 213, the limiting ring 21 is used for the first steel wire rope 23 to penetrate through the second through hole 212, so as to guide the rope winding action and the rope unwinding action of the second steel wire rope 24 through the first through hole 211 and the third through hole 213, and guide the rope winding action and the rope unwinding action of the first steel wire rope 23 through the second through hole 212;
further, the first pulley block 26 is used as an inflection point of the first steel wire rope 23, so that the first steel wire rope 23 is tensioned on the pulley of the first pulley block 26, and the first steel wire rope 23 is prevented from directly rubbing against the second through hole 212, thereby improving the stability of the first steel wire rope 23 in operation, and in the same way, the stability of the second steel wire rope 24 in operation is improved through the second pulley block 27;
further, the first steel wire rope 23 and the second steel wire rope 24 are kept in a plumb state by the counterweight 28, so that the impact generated when the floating ring 31 is collided to the tower pile foundation 10 is absorbed by the first steel wire rope 23 and the second steel wire rope 24;
furthermore, the reinforcing beam 214 provides support for the limiting ring 21, the first steel wire rope 23 and the second steel wire rope 24 are inserted through the opening 215 on the limiting ring 21, and the attachments on the first steel wire rope 23 and the second steel wire rope 24 are scraped off through the opening 215, so that the erosion of the attachments on the first steel wire rope 23 and the second steel wire rope 24 is reduced.
Specifically, please refer to fig. 3, 4 and 5 again, the floating force control mechanism 33 includes an air bag 331 fixed on the outer surface of the floating ring 31, an inflator 332 fixed on the upper surface of one end of the floating ring 31, and an air pump 333 fixed on the upper surface of the other end of the floating ring 31, the air outlet end of the inflator 332 is connected with the air inlet end of the air bag 331 through a hose, and the air inlet end of the air pump 333 is connected with the air outlet end of the air bag 331 through a hose;
in this embodiment, the airbag 331 is inflated by the inflator 332 to increase the buoyancy of the floating ring 31, and when the floating ring 31 needs to sink into the sea water, the air in the floating ring 31 is pumped out by the air pump 333 to reduce the buoyancy of the floating ring 31, so that the floating ring 31 can sink into the sea water.
Specifically, please refer to fig. 3, 7 and 8 again, the acceleration sensor 43 and the distance sensor 44 are both electrically connected to a data collector 45, the data collector 45 is connected to a server 46 through a wire, the support assembly 30 further includes a plurality of displacement mechanisms 34 disposed on the lower surface of the floating ring 31, the plurality of displacement mechanisms 34 are disposed around the tower pile foundation 10, the displacement mechanisms 34 include a motor 341 fixed on the lower surface of the floating ring 31, and a plurality of propeller blades 342 fixed on the outer surface of the output shaft of the motor 341;
it should be noted that, in this embodiment, the acceleration sensor 43 with the model number of LIS2DH12TR is used to collect the acceleration of the floating ring 31, and the data collector 45 connected to the acceleration sensor is used to collect and transmit the electrical signal with the acceleration information to the server 46, and the server 46 is used to determine whether the acceleration of the floating ring 31 is at the threshold value, so that when the acceleration is small, that is, the sea water fluctuation is relatively smooth, the camera 41 connected to the communication end of the server 46 is operated to work, and the effect of the shot picture is improved;
the distance between the floating ring 31 and the tower pile foundation 10 is detected through a distance sensor 44 with the model number AS5048A-HTSP, an electric signal with the distance information is collected and transmitted to a server 46 through a data acquisition unit 45 connected with the distance sensor, whether the acceleration of the floating ring 31 is in a threshold value is judged through the server 46, and therefore when the distance is small, the motor 341 in the displacement mechanism 34 is controlled in time to enable the floating ring 31 to be far away from the tower pile foundation 10, the tower pile foundation 10 is prevented from being collided with the floating ring 31, and the service lives of the tower pile foundation 10 and the floating ring 31 are prevented from being influenced;
further, when the floating ring 31 is closer to the tower pile foundation 10, the motor 341 drives the propeller blades 342 on the output shaft thereof to rotate, so that the floating ring 31 is pushed by the rotating propeller blades 342 to displace, and the motor 341 is provided with a plurality of blades and surrounds the tower pile foundation 10, so that the floating ring 31 can be moved to a suitable position.
The specific operation mode of the invention is as follows:
when the corrosion law of the tower pile foundation 10 is detected by using the law testing device, the winch 22 is used for winding and unwinding the second steel wire rope 24 wound on the winding drum to drive the floating ring 31 to lift until the floating ring 31 is contacted with the sea surface, the acceleration sensor 43 is used for collecting the acceleration of the floating ring 31, the electric signal with the acceleration information is collected and transmitted to the server 46 through the data collector 45 connected with the acceleration sensor, and the server 46 is used for judging whether the acceleration of the floating ring 31 is in a threshold value, so that when the acceleration is small, namely the seawater fluctuation is flat and slow, the camera 41 connected with the communication end of the server 46 is controlled to work, and the effect of the shot picture is improved;
detecting the distance between the floating ring 31 and the tower pile foundation 10 through a distance sensor 44 with model number AS5048A-HTSP, collecting and transmitting an electric signal with the distance information to a server 46 through a data acquisition unit 45 connected with the distance sensor, and judging whether the acceleration of the floating ring 31 is at a threshold value through the server 46, so that when the distance is small, a motor 341 in a displacement mechanism 34 is controlled in time to enable the floating ring 31 to be far away from the tower pile foundation 10, prevent the tower pile foundation 10 from colliding with the floating ring 31, influence the service life of the tower pile foundation 10 and the floating ring 31, and enable the distance between the tower pile foundation 10 and the floating ring 31 to be adaptive to shooting;
the air bag 331 on the outer surface of the floating ring 31 is inflated through the inflator pump 332, the buoyancy of the floating ring 31 is improved through the matching of the floating barrel 32, when the floating ring 31 needs to sink into seawater, air in the floating ring 31 is pumped out through the air pump 333, the buoyancy of the floating ring 31 is reduced, the floating ring 31 can sink into seawater, the splash zone, the tidal range zone and the full immersion zone of the tower pile foundation 10 are respectively photographed, the environment change during flood tide and ebb tide is utilized, and the corrosion rule of the tower pile foundation 10 is tested.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. The steel structure corrosion law testing device for the offshore wind power pile foundation comprises a tower pile foundation (10), and is characterized in that a lifting assembly (20) and a supporting assembly (30) are sequentially sleeved outside the tower pile foundation (10) from top to bottom, and a testing assembly (40) is arranged at the top end of the supporting assembly (30);
the supporting assembly (30) comprises a floating ring (31) sleeved outside the tower tube pile foundation (10), a floating barrel (32) which is inserted on a shell of the floating ring (31) in a penetrating manner and arranged around the axis of the tower tube pile foundation (10), and a buoyancy control mechanism (33) fixed on the outer surface of the floating ring (31);
the test assembly (40) comprises a camera (41) fixed on the upper surface of the buoy (32) and a waterproof box (42) fixed on the upper surface of the floating ring (31), wherein an acceleration sensor (43) is fixed at one end of the inside of the waterproof box (42), and a distance sensor (44) is fixed at the other end of the inside of the waterproof box (42).
2. The device for testing the steel structure corrosion rule of the offshore wind power pile foundation according to claim 1, wherein the lifting assembly (20) comprises a limiting ring (21) sleeved on the outer surface of the tower pile foundation (10) and a winch (22) fixed on the upper surface of the limiting ring (21), and an execution end of the winch (22) is connected with the floating ring (31).
3. The device for testing the corrosion rule of the steel structure of the offshore wind power pile foundation according to claim 2, wherein the lifting assembly (20) further comprises a separating ring (29) sleeved on the outer surface of the winding drum (22), a first steel wire rope (23) arranged on one side of the separating ring (29) and wound on the outer surface of the winding drum (22), and a second steel wire rope (24) wound on the other end of the outer surface of the winding drum (22), one end of the second steel wire rope (24) penetrates through a floating ring (31) to be connected with a connecting head (25), and the connecting head (25) is fixed on the upper surface of the floating ring (31).
4. The steel structure corrosion law testing device of offshore wind power pile foundation according to claim 3, characterized in that a first through hole (211) for inserting a second steel wire rope (24) is formed in a shell of the limiting ring (21), a second through hole (212) and a third through hole (213) are formed in one side, close to the tower pile foundation (10), of the first through hole (211), the second through hole (212) and the third through hole (213) are formed in the shell of the limiting ring (21), and the first through hole (211), the second through hole (212) and the third through hole (213) are arranged in a triangular array mode on the same side.
5. The device for testing the corrosion law of the steel structure of the offshore wind power pile foundation according to claim 4, wherein the lifting assembly (20) further comprises a first pulley block (26) which is arranged at the top end of the second through hole (212) and fixed on the upper surface of the limiting ring (21), and a second pulley block (27) which is fixed on one side of the first pulley block (26), the first pulley block (26) is abutted against the first steel wire rope (23), and the second pulley block (27) is abutted against the second steel wire rope (24).
6. The device for testing the corrosion law of the steel structure of the offshore wind power pile foundation according to claim 5, wherein one end of the first steel wire rope (23) penetrating through the third through hole (213) and one end of the second steel wire rope (24) penetrating through the second through hole (212) are both connected with a counterweight (28).
7. The device for testing the corrosion law of the steel structure of the offshore wind power pile foundation according to claim 6, wherein a plurality of reinforcing beams (214) are fixed on the lower surface of the limiting ring (21), and openings (215) for inserting the first steel wire ropes (23) and the second steel wire ropes (24) are formed in the shell of each reinforcing beam (214).
8. The steel structure corrosion law testing device of offshore wind power pile foundation according to claim 1, wherein the buoyancy control mechanism (33) comprises an air bag (331) fixed on the outer surface of the floating ring (31), an inflator pump (332) fixed on the upper surface of one end of the floating ring (31), and an air suction pump (333) fixed on the upper surface of the other end of the floating ring (31), the air outlet end of the inflator pump (332) is connected with the air inlet end of the air bag (331) through a hose, and the air inlet end of the air suction pump (333) is connected with the air outlet end of the air bag (331) through a hose.
9. The device for testing the steel structure corrosion law of the offshore wind power pile foundation according to claim 1, wherein the acceleration sensor (43) and the distance sensor (44) are both electrically connected with a data collector (45), and the data collector (45) is connected with a server (46) through a wire.
10. The steel structure corrosion law testing device of offshore wind power pile foundation according to claim 1, wherein the supporting assembly (30) further comprises a plurality of displacement mechanisms (34) arranged on the lower surface of the floating ring (31), the plurality of displacement mechanisms (34) are arranged around the tower pile foundation (10), and each displacement mechanism (34) comprises a motor (341) fixed on the lower surface of the floating ring (31) and a plurality of propeller blades (342) fixed on the outer surface of an output shaft of the motor (341).
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