CN115854184A - Carry on nuclear power plant marine life monitoring facilities's intelligent elevating gear - Google Patents
Carry on nuclear power plant marine life monitoring facilities's intelligent elevating gear Download PDFInfo
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- CN115854184A CN115854184A CN202211343079.9A CN202211343079A CN115854184A CN 115854184 A CN115854184 A CN 115854184A CN 202211343079 A CN202211343079 A CN 202211343079A CN 115854184 A CN115854184 A CN 115854184A
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The invention discloses an intelligent lifting device carrying marine organism monitoring equipment of a nuclear power plant, which comprises: the mounting platform is provided with a driving mechanism; the lifting rod comprises a fixed rod arranged on the mounting platform and a telescopic rod capable of stretching relative to the fixed rod, the driving mechanism drives the telescopic rod to stretch relative to the mounting platform, and a hanging basket is arranged at the tail end of the lifting rod; wherein, the lifting rod and/or the hanging basket and the part contacting with the seawater are provided with sacrificial anodes. Compared with the prior art, in the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the lifting rod and/or the hanging basket and the part contacting with seawater are/is provided with the sacrificial anode, so that the problem of long-term seawater corrosion of the underwater part of the intelligent lifting device can be solved without an external power supply, and the service life of the lifting rod and the hanging basket can be prolonged by lower manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to an intelligent lifting device for carrying marine organism monitoring equipment of a nuclear power plant.
Background
A large amount of cooling water is needed in the operation process of a nuclear power plant, so that a nuclear power base is generally constructed in a coastal area so as to conveniently adopt seawater as the cooling water of a unit. The operation of a nuclear power unit can be influenced by the change of the ecological environment of an offshore water area, marine organism clusters can be caused by the eutrophication of seawater and the rapid change of the marine environment, the water intake of a nuclear power plant is influenced by the blockage of a filter screen, the emergency shutdown or the power reduction operation of the nuclear power plant can be caused in severe cases, and huge economic loss is brought. In addition, the comprehensive management of the surrounding sea area environment may lag behind the development of nuclear power, and the safety of water taking from a cold source faces a great challenge, so that the safety of nuclear power is influenced.
The treatment process of the circulating water filtering system of the ordinary coastal nuclear power plant comprises the following steps: seawater enters a water taking channel through a water taking port, enters a combined pump room, is sequentially filtered by a coarse filter grid, a fine grid and a drum-shaped rotary filter screen, and then enters an important service water pump and a circulating water pump suction inlet. According to the actual operation condition of the nuclear power plant, the circulating water filtering system cannot effectively protect all disaster-causing substance types and disaster-causing substance levels, shutdown and shutdown events caused by disaster-causing substance invasion have occurred in a nuclear power base, and the safe and reliable operation and economic benefits of the nuclear power plant are seriously influenced.
At present, a part of nuclear power plants gradually begin to add a circulating water monitoring and pre-filtering system (CFS) in front of a circulating water filtering system, cover a water intake runner from a water intake to a front pool of a water intake pump room, pre-filter and protect all seawater used by a unit, and main protection objects are disaster-causing marine organisms and floaters which are generated and potentially generated in a plant site and an adjacent sea area. The front-end monitoring and early warning of the circulating water monitoring and pre-filtering system monitors the disaster-causing matter at the cold source water intake of the nuclear power plant and plays a certain early warning function, the key point of monitoring the disaster-causing matter is to enhance the detection of the characteristics of the invading matter, and a proper monitoring means is selected, wherein the monitoring means comprises a sonar, an in-situ imager, a camera, satellite remote sensing, a radar, a seawater physical and chemical characteristic sensor and the like. The monitoring equipment for marine organisms such as sonars, in-situ imagers, underwater cameras and the like and other cold source disaster-causing objects needs to be arranged at a plurality of underwater positions in front of and behind a water intake, a water intake runner, a net bag and a trash rack so as to achieve the function of monitoring and early warning.
The existing lifting device is wide in application range, when the device operates normally, the marine life monitoring equipment is controlled by the lifting device to stay at a certain fixed position below the water surface, the lifting device can automatically lift the marine life monitoring equipment to the required position to monitor when necessary, and the device returns to the fixed position after monitoring is completed. A small adapter box is arranged near the lifting device mounting platform and used for distributing non-underwater related equipment (such as a photoelectric converter/a power converter) of marine organism monitoring equipment such as a lifting device, an in-situ imager, an underwater camera and the like and simultaneously used for signal switching and power distribution. A comprehensive cable is arranged between the lifting device transfer box and the equipment hanging basket, power supply and signal cables of marine organism monitoring equipment such as an in-situ imager, an underwater camera and a light supplementing lamp can be integrated, a control cable of the intelligent lifting device is arranged, and the equipment hanging basket is fixed below a secondary expansion joint of the intelligent expansion support.
However, the lifting device in the related art has at least the following disadvantages:
1) The medium of nuclear power plant cold source monitoring position is the sea water, and the partial telescopic link of lifter and hanging flower basket are soaked under the sea water for a long time, take place the corrosion problem easily, influence elevating gear's life.
2) The telescopic rod on the lower portion of the lifting rod is immersed in seawater for a long time, marine organisms are easily attached to the surface of the underwater telescopic joint, and when the lifting device is used for lifting adjustment, the marine organisms attached to the telescopic rod can cause the telescopic joint to be jammed and damaged.
3) The marine life monitoring equipment such as sonar and video detection that elevating gear bore has its proprietary characteristic principle, if the position that monitoring equipment placed is improper, promptly elevating gear does not place the marine life monitoring equipment who bears at the appropriate position, and monitoring equipment will be unable accurate detection cold source calamity thing, can not reach the effect of monitoring the early warning. Among the elevating gear of correlation technique, because of the level gauge installation difficulty, the unable accurate measurement of sea water liquid level leads to the unable accurate positioning of elevating gear, can't place monitoring facilities a certain height under accurate sea water.
4) In the actual use process, the marine algae plankton floats on the sea level, part of the marine organisms such as fishes and shrimps pass through the sea under the water, and the marine organisms such as the cap and the screw pass through the sea bottom. Therefore, according to the characteristics of marine life outbreaks in different periods, the lifting device needs to monitor the whole section from the sea bottom to the sea level. In the related technology, the telescopic range of the telescopic joint of the lifting rod of the lifting device is small, and the monitoring of the full section from the sea level to the seabed cannot be realized.
5) After the lifting device is installed, the borne marine life monitoring equipment is fixed in an equipment hanging basket of the lifting device, and once the installation is completed, the monitoring angle and direction can not be adjusted. If the monitoring angle of finding monitoring facilities after the installation is accomplished in the use is selected improperly, can't reach monitoring effect, then need carry out dismouting again to monitoring facilities, waste time and energy.
6) Maintenance of the lifting gear equipment basket and the marine life monitoring equipment carried thereby is inconvenient, requiring maintenance personnel to approach the lifting gear equipment basket through the vessel and to clean and maintain the basket and the equipment in the basket by continually adjusting the angle and direction of the vessel. Because the ship can not be stably fixed, the ship can swing or rock along with waves on the sea level, and the maintenance difficulty is increased.
Disclosure of Invention
The invention aims to: at least one defect of the prior art is overcome, and an intelligent lifting device with an ideal service life and carrying a nuclear power plant marine organism monitoring device is provided.
In order to achieve the above object, the present invention provides an intelligent lifting device with marine life monitoring equipment for a nuclear power plant, comprising:
the mounting platform is provided with a driving mechanism; and
the lifting rod comprises a fixed rod arranged on the mounting platform and a telescopic rod capable of stretching relative to the fixed rod, the driving mechanism drives the telescopic rod to stretch relative to the mounting platform, and a hanging basket is arranged at the tail end of the lifting rod;
and the lifting rod and/or the hanging basket and the part contacting with the seawater are/is provided with a sacrificial anode.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, an automatic marine life removing device is arranged around the underwater part of the telescopic rod, and when the telescopic rod is automatically contracted, the automatic marine life removing device automatically removes marine lives attached to the telescopic rod.
According to one embodiment of the intelligent lifting device for the marine life monitoring equipment of the nuclear power plant, the underwater part of the telescopic rod is provided with two levels of square rod columns, four scraper devices are respectively arranged around the two levels of square rod columns, and the scraper devices automatically remove marine life attached to the telescopic rod when the telescopic rod is automatically contracted.
According to one embodiment of the intelligent lifting device for the marine organism monitoring equipment of the nuclear power plant, a gap of 3-5mm is reserved between the two-stage square rod column and the scraper device.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, a chain is arranged between the driving mechanism and the telescopic rod, a chain encoder is arranged on the chain, the length of the chain which is released or retracted is calculated through the chain encoder, and the distance between the hanging basket and the sea level is calculated according to the distance between the intelligent lifting device and the sea level.
According to one embodiment of the intelligent lifting device for carrying the nuclear power plant marine life monitoring equipment, the distance between the bottom of the hanging basket and the sea level is calculated according to the following formula:
H1＝H3+h1-h0-H2
wherein, H1 is sea level to hanging flower basket bottom distance, and H3 is elevating gear mounting platform to hanging flower basket bottom distance, and H1 is the actual length of chain, and H0 is the length of chain when the telescopic link is whole to retract, and H2 is the distance of elevating gear mounting platform to sea level, is measured by the director radar level gauge and is derived.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the telescopic rod is a four-stage telescopic rod.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, a hanging basket mechanical locking device is arranged at the joint of the intelligent lifting device and the hanging basket, the hanging basket is fixed when the hanging basket mechanical locking device is locked, and after the hanging basket mechanical locking device is opened, the hanging basket can rotate horizontally by +/-90 degrees.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the intelligent lifting device is provided with an overhaul platform at the position where the hanging basket stays after the lifting rod is retracted.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, one or more of a sonar, an in-situ imager and a video detection device are arranged in the hanging basket.
According to one embodiment of the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the sacrificial anode is aluminum, magnesium or zinc connected with the lifting rod and/or the hanging basket.
Compared with the prior art, in the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the lifting rod and/or the hanging basket and the part contacting with seawater are/is provided with the sacrificial anode, so that the problem of long-term seawater corrosion of the underwater part of the intelligent lifting device can be solved without an external power supply, and the service life of the lifting rod and the hanging basket can be prolonged by lower manufacturing cost.
Drawings
The intelligent lifting device provided with the marine life monitoring equipment of the nuclear power plant is described in detail below with reference to the accompanying drawings and the specific embodiments.
Fig. 1 is a schematic perspective view of an intelligent lifting device carrying a marine life monitoring device of a nuclear power plant.
Fig. 2 is a schematic structural diagram of an automatic marine organism removing device in the intelligent lifting device equipped with the marine organism monitoring equipment of the nuclear power plant.
Fig. 3 is a schematic diagram illustrating calculation of the distance from the sea level to the bottom of the equipment basket in the intelligent lifting device equipped with the marine life monitoring equipment of the nuclear power plant.
Wherein the content of the first and second substances,
10- -mounting a platform; 100- -drive mechanism; 102- -chain encoder; 104- -control box; 20- -a lifter bar; 200-a fixing bar; 202- -a telescoping rod; 204- -a scraper device; 30- -a basket; 300- -hanging basket mechanical locking device.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clearly apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the invention discloses an intelligent lifting device for carrying marine life monitoring equipment of a nuclear power plant, which comprises:
a mounting platform 10, wherein a driving mechanism 100 (such as a lifting electric mechanism) is arranged on the mounting platform 10; and
the lifting rod 20 comprises a fixed rod 200 arranged on the mounting platform 10 and a telescopic rod 202 capable of extending and contracting relative to the fixed rod 200, the driving mechanism 100 drives the telescopic rod 202 to extend and contract relative to the mounting platform 10, and the tail end of the lifting rod 20 is provided with a hanging basket 30;
wherein the lifting rod 20 and/or the basket 30 and the part contacting the seawater are provided with sacrificial anodes (not shown).
The cathode protection system is used as an anti-corrosion means, and the principle of the cathode protection system is that an external current is applied to the surface of a corroded metal structure to enable the protected structure to become a cathode, so that the electron migration caused by metal corrosion is inhibited, and the corrosion is avoided or weakened. The cathodic protection of the sacrificial anode is to connect a metal with more negative potential, such as aluminum, zinc or magnesium, to the protected metal, and to keep the metal in the same electrolyte, the electrons on the metal will be transferred to the protected metal, so that the whole protected metal is at the same more negative potential. The method is simple and easy to implement, does not need an external power supply, and rarely generates corrosion interference. The intelligent lifting device of the invention utilizes the principle of sacrificial anode protection to arrange the sacrificial anode on the lifting rod 20 and the hanging basket 30 which are contacted with seawater, thus realizing that the service life of the lifting rod 20 and the hanging basket 30 is prolonged with lower manufacturing cost.
The attached problem of marine life appears easily in intelligence elevating gear part under water, and if not clear up, when the automatic instruction was received at lifter 20 and is carried out the shrink to the marine life who adheres to on lifter 20, the gap of telescopic link 202 was just blocked easily to the marine life who adheres to on telescopic link 202, thereby leads to telescopic link 202 to block and lead to the fact elevating gear to damage. In the related art, the underwater attachments of the lifting device are generally removed by adopting a method of manually removing marine organisms or a method of killing the marine organisms by adding medicaments regularly: manual removal requires a ship to transport workers to the vicinity of the elevator, and the workers perform overwater work; the cost of the equipment and the medicine for regularly adding the medicine is higher, the effect is not good and can cause influence on the ecological environment. The adhesion of marine organisms cannot be artificially controlled, the adhesion of marine organisms can also occur immediately after artificial removal or dosing, and the frequency of artificial cleaning and dosing cannot be estimated. Before the lifter 202 contracts, should carry out marine organism clearance once in order to prevent that lifter 202 jam from damaging, so lead to the clearance frequency too high, manpower input and cost input increase by a wide margin.
Referring to fig. 2, the intelligent lifting device of the present invention is provided with a scraper type automatic marine organism removing device, and when the lifting rod 202 is automatically retracted, the scraper device 204 can automatically remove marine organisms attached to the lifting rod 202. The automatic marine organism removing device is arranged on a square pole of a two-stage telescopic rod 202 of the underwater part of the intelligent lifting device lifting rod 20. On the square telescopic rod 202 column, 4 scraper devices 204 are arranged around the telescopic rod 202, each side length is one, the tail end of each scraper device 204 is tightly attached to the telescopic rod 202, but a gap of about 3-5mm is left between the tail end of each scraper device 204 and the telescopic rod 202, so that the telescopic rod 202 cannot be scratched when the automatic removing device works. The two water-saving lower telescopic rods 202 are respectively provided with 4 scraper devices 204, and the total number of the scraper devices is 8.
When the telescopic rod 202 extends, the scraper devices 204 are fixed at the root of the telescopic rod 202, the scraper devices 204 close to the fixing rod 200 are not moved, the scraper devices 204 at the bottom move downwards along with the extension of the telescopic rod 202, and the attachments encircling the square telescopic rod 202 can be automatically removed by the two scraper devices 204. When the telescopic rod 202 is retracted, the scraper device 204 will also scrape off marine life attached to the square telescopic rod 202. Scraping attachments while the lifting rod 20 is telescopic, manual intervention is not needed, the attachments can be automatically scraped as long as the telescopic rod 202 acts, the efficiency is high, the timeliness is good, the environment is protected, the cost is low, manual intervention is not needed, and the incidence rate of the problems that the telescopic rod 202 is jammed and jammed due to attachment of marine organisms is successfully reduced.
The distance from the lifting device installation platform 10 to the sea level can be measured by installing a director radar level gauge, and since the position of the gondola 30 is not fixed, the measurement of the distance from the sea level to the gondola 30 is difficult to be realized by conventional measuring means such as installing an instrument. Only when the distance from the sea level to the hanging basket 30 is accurately measured and the hanging basket 30 is placed at a proper underwater height can normal work of equipment such as a sonar and an in-situ measuring instrument be guaranteed.
Referring to fig. 3, the present invention provides a simple and effective method for measuring seawater level for a lifting device, which has the following principle: a chain is arranged between the driving mechanism 100 and the telescopic rod 202, and when the driving mechanism 100 drives the telescopic rod 202 to stretch, the chain can be retracted according to the stretching distance of the telescopic rod 202. The chain encoder 102 is added at the chain, the chain encoder 102 is used for calculating the length of the chain which is released or retracted, and then the distance between the chain encoder 102 and the sea level is calculated, so that the distance from the sea level to the equipment hanging basket can be obtained.
With reference to fig. 3, assuming that the distance from the smart lifter installation platform 10 to the bottom of the gondola 30 is H, the distance from the smart lifter installation platform 10 to the sea level is H2, and the distance from the sea level to the bottom of the gondola 30 is H1, then H1= H-H2.
When the telescopic rod 202 is contracted to the shortest distance, the length of the chain is recorded as an initial length H0, the distance from the mounting platform 10 to the bottom of the hanging basket 30 is recorded as H3 (the specific length of H3 is specifically determined by an intelligent lifting device manufacturer and is a certain determined value, and the intelligent lifting device is determined when the intelligent lifting device leaves a factory), when the telescopic rod 202 is expanded to a certain distance, the length of the chain is calculated as H1 by the chain encoder 102, and the distance of the expansion of the telescopic rod 202 is H1-H0.
The distance calculation formula from the intelligent lifting device to the bottom of the hanging basket 30 is as follows: h = H3+ H1-H0, where H2 is measured by the director radar level gauge, the distance from sea level to the bottom of the equipment basket: h1= H-H2= H3+ H1-H0-H2, wherein H1: distance from sea level to bottom of basket 30; h3: the lifting device is used for mounting the flat belt 10 to the bottom of the hanging basket 30; h1, the actual length of the chain; h0: the length of the chain when the telescoping rod 202 is fully retracted; h2: the distance of the riser installation platform 10 to the sea level.
In the correlation technique, because intelligent elevating gear only has the two-stage telescopic link, and other all are the dead lever, the flexible scope of telescopic joint is less, can't accomplish the full section monitoring of sea level to the seabed, leads to there being the monitoring blind area. Referring to fig. 1, the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant is provided with the four-stage telescopic lifting rod 20, so that the telescopic range of the lifting rod 20 is further expanded, the depth of the lifting device penetrating into seawater is greatly prolonged, a hanging basket 30 can be kept at a position of 0.3 m on the seabed (preventing the hanging basket of the equipment from touching the bottom), and sonar, an in-situ imager, an underwater camera and the like arranged in the hanging basket 30 can realize full-section monitoring from the water surface to the water bottom, so that monitoring blind areas are reduced.
Referring to fig. 3, in order to solve the problems that once the marine life monitoring equipment in the basket 30 of the intelligent lifting device is installed, the angle of the monitoring equipment cannot be adjusted, and the equipment is difficult to clean, maintain and replace, a basket mechanical locking device 300 is disposed at the connection between the intelligent lifting device and the basket 30. Under the normal operating condition, use mechanical locking device 300 to lock hanging flower basket 30, hanging flower basket 30 just fixes in a certain position, and marine life monitoring facilities fixes monitoring in a certain angle. If in the operation process, the monitoring position of the monitoring equipment is found to have a monitoring blind area, or the angle can not monitor the actual density of marine organisms in the sea water, the mechanical locking device 300 can be opened, so that the hanging basket rotates horizontally by +/-90 degrees, and the optimal monitoring angle can be found. When the equipment needs to be cleaned, maintained and replaced, if the outlet of the equipment basket is not opposite to the maintenance platform, the mechanical locking device 300 can be opened to enable the basket 30 to horizontally rotate, so that the equipment can be cleaned, maintained and replaced conveniently.
In the correlation technique, the maintenance of intelligence elevating gear equipment hanging flower basket and marine life monitoring facilities that it bore is very inconvenient, needs maintenance personal to approach equipment hanging flower basket through the ship to through the angle and the direction of constantly adjusting the ship, can accomplish the maintenance and the cleanness of equipment in the hanging flower basket under the adverse conditions that the ship incessantly rocked. In order to solve the problem of difficult maintenance and cleaning, in the intelligent lifting device for carrying the marine organism monitoring equipment of the nuclear power plant, an overhaul platform (not shown) is arranged at the position where the hanging basket 30 stays after the lifting rod 20 of the lifting device is contracted, and maintainers directly enter the overhaul platform through a personnel channel to overhaul the equipment, so that the inconvenience of needing to sit on a boat to overhaul the equipment in the prior art is eliminated.
In combination with the above detailed description of the intelligent lifting device carrying the marine life monitoring equipment of the nuclear power plant, it can be seen that, compared with the prior art, the intelligent lifting device carrying the marine life monitoring equipment of the nuclear power plant has at least the following advantages:
1) The intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant utilizes the principle of sacrificial anode protection to arrange the sacrificial anode on the lifting rod 20 and the hanging basket 30 which are contacted with seawater, so that the service life of the lifting rod 20 and the hanging basket 30 can be prolonged with lower manufacturing cost.
2) In the intelligent lifting device for carrying the marine organism monitoring equipment in the nuclear power plant, 4 scraper devices 204 are arranged around the telescopic rod 202, the scraper devices 204 move downwards along with the extension of the telescopic rod 202, and the scraper devices 204 can automatically remove attachments around the square telescopic rod 202, so that the problem that marine organisms are attached to the telescopic joint can be effectively solved for a long time, and the probability of damage caused by jamming of the telescopic joint is greatly reduced.
3) The intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant solves the problems of high difficulty in seawater level measurement, inconvenience in installing a liquid level meter and inaccurate measured liquid level, and can accurately position the hanging basket 30 according to the obtained accurate seawater level, so that the marine life monitoring equipment is placed at an accurate height to achieve a better monitoring effect.
4) The intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant is provided with the mechanical locking device 300, so that the problem that the angle and the direction of the monitoring equipment cannot be adjusted unless the intelligent lifting device and the marine life monitoring equipment arranged in the hanging basket 30 are installed again once the intelligent lifting device and the marine life monitoring equipment are installed is solved, and convenience is provided for cleaning, maintenance and replacement of the equipment.
5) According to the intelligent lifting device for carrying the marine life monitoring equipment of the nuclear power plant, the maintenance platform is arranged at the position where the hanging basket 30 stays after the lifting rod 20 of the lifting device is contracted, so that the problem that the hanging basket 30 of the intelligent lifting device and the monitoring equipment carried by the hanging basket 30 are inconvenient to maintain is solved, and the maintenance cost is obviously reduced.
The present invention can be modified and adapted to the above-described embodiments according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (11)
1. The utility model provides a carry on intelligent elevating gear of marine life monitoring facilities of nuclear power plant which characterized in that includes:
the mounting platform is provided with a driving mechanism; and
the lifting rod comprises a fixed rod arranged on the mounting platform and a telescopic rod capable of stretching relative to the fixed rod, the driving mechanism drives the telescopic rod to stretch relative to the mounting platform, and a hanging basket is arranged at the tail end of the lifting rod;
and the lifting rod and/or the hanging basket and the part contacting with the seawater are/is provided with a sacrificial anode.
2. The intelligent lifting device according to claim 1, wherein an automatic marine organism removing device is arranged around the underwater part of the telescopic rod, and when the telescopic rod is automatically contracted, the automatic marine organism removing device automatically removes marine organisms attached to the telescopic rod.
3. The intelligent lifting device according to claim 2, wherein the underwater portion of the telescopic rod is provided with two levels of square rod columns, four scraper devices are respectively arranged around the two levels of square rod columns, and the scraper devices automatically remove marine organisms attached to the telescopic rod when the telescopic rod is automatically contracted.
4. The intelligent lifting device according to claim 3, wherein a gap of 3-5mm is left between the two-stage square pole column and the scraper device.
5. The intelligent lifting device according to claim 1, wherein a chain is arranged between the driving mechanism and the telescopic rod, a chain encoder is arranged on the chain, the chain encoder is used for calculating the length of the chain to be released or retracted, and the distance between the hanging basket and the sea level is calculated according to the distance between the intelligent lifting device and the sea level.
6. An intelligent lifting device as claimed in claim 5, wherein the distance between the bottom of the gondola and the sea level is calculated according to the following formula:
H1＝H3+h1-h0-H2
wherein, H1 is sea level to hanging flower basket bottom distance, and H3 is elevating gear mounting platform to hanging flower basket bottom distance, and H1 is the actual length of chain, and H0 is the length of chain when the telescopic link is whole to retract, and H2 is the distance of elevating gear mounting platform to sea level, is measured by the director radar level gauge and is derived.
7. The intelligent lifting device of claim 1, wherein the telescoping rod is a four-stage telescoping rod.
8. The intelligent lifting device as claimed in claim 1, wherein a basket mechanical locking device is arranged at a joint of the intelligent lifting device and the basket, when the basket mechanical locking device is locked, the basket is fixed, and after the basket mechanical locking device is opened, the basket can rotate horizontally by ± 90 °.
9. The intelligent lifting device as claimed in claim 1, wherein the intelligent lifting device is provided with a maintenance platform at the position where the hanging basket stays after the lifting rod is retracted.
10. An intelligent lifting device according to any one of claims 1 to 9, wherein the gondola contains one or more of a sonar, an in-situ imager, and a video detection device.
11. An intelligent lifting device as claimed in any one of claims 1 to 9, wherein the sacrificial anode is aluminium, magnesium or zinc connected to the lifting bar and/or the basket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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