Profile lifting system for offshore buoy

Abstract

The present invention relates to the technical field of marine environmental monitoring, and discloses a profile lifting system for a marine buoy, which includes an instrument bar, a wire winding drum, a motor and a cable. One end of the cable is connected to the instrument bar, and the other end of the cable is connected to the wire winding drum. When it is necessary to place the monitoring instrument at a certain depth in the sea water, the motor drives the wire winding drum to rotate, releases the cable, and under the action of gravity, the instrument bar descends to the required position as the cable is released. When it is necessary to lift the monitoring instrument, the motor drives the wire winding drum to rotate in the reverse direction, winds up the cable, and lifts the instrument bar. By driving the rotation or reverse rotation of the wire winding drum by the motor, the monitoring instrument placed in the instrument bar can be extended to a certain depth in the sea water or lifted from the sea water, so that the monitoring instrument can monitor the marine environment at different depths, which is very convenient.

Description

Technical Field

[0001] This invention patent relates to the technical field of marine environment monitoring. Specifically, it relates to a profile lifting system for offshore buoys. Background Art

[0002] The ocean covers 71% of the Earth's surface area and contains rich mineral resources, medical resources, fishery resources, etc. At the same time, the ocean plays an extremely important role in the ecological balance of the entire Earth. In coastal and offshore waters, there are usually many large marine buoy bodies. Among these marine buoy bodies, a large number of valuable instruments and equipment are often carried to monitor water quality, hydrology, meteorology, etc. The marine environment is complex and changeable, and sometimes the wind and waves can be very large, which poses high requirements for offshore buoys and the instruments carried on them.

[0003] In the prior art, the instruments carried by offshore buoys are set on the floating body above the sea surface or fixed on the floating body below the sea surface, and cannot extend into the sea to monitor the marine environment at different depths. Summary of the Invention

[0004] The purpose of this invention is to provide a profile lifting system for offshore buoys, aiming to solve the problem in the prior art that the instruments cannot extend into the sea to monitor the marine environment at different depths.

[0005] This invention is implemented as follows. A profile lifting system for offshore buoys includes:

[0006] An instrument rack for placing monitoring instruments;

[0007] A wire reel;

[0008] A motor for driving the wire reel to rotate;

[0009] And a cable, one end of which is connected to the instrument rack and the other end is connected to the wire reel;

[0010] Wherein, when it is necessary to place the monitoring instrument at a certain depth in the sea water, the motor drives the wire reel to rotate, releases the cable, and under the action of gravity, the instrument rack descends to the required position as the cable is released;

[0011] When it is necessary to lift the monitoring instrument, the motor drives the wire reel to rotate in the reverse direction, retracts the cable, and lifts the instrument rack.

[0012] Furthermore, the profile lifting system further includes an external frame and a cable tensioning device. The cable tensioning device is arranged at the top of the external frame to keep the cable always in a taut state.

[0013] Further, the cable tensioning device includes an upper platform, a tension spring, a bottom plate and a pulley. The upper platform is fixedly connected to the top of the outer frame. The tension spring is arranged between the upper platform and the bottom plate. The pulley is arranged at the lower part of the bottom plate.

[0014] Further, the profile lifting system further includes a wire arranging device and a transmission member. The wire arranging device is used for arranging and gathering the cables. The wire arranging device is connected to the wire winding drum through the transmission member.

[0015] Further, the transmission member includes a first sprocket, a chain and a second sprocket. The first sprocket is connected to the wire winding drum. The second sprocket is connected to the wire arranging device. The chain connects the first sprocket and the second sprocket.

[0016] Further, the first sprocket and the second sprocket have the same module, and the number of teeth of the first sprocket is less than that of the second sprocket.

[0017] Further, the profile lifting system further includes a wire pressing device. The wire pressing device is hinged to the top of the outer frame and is used to prevent the cable from deflecting laterally.

[0018] Further, the profile lifting system further includes an instrument railing fixing device. The instrument railing fixing device is arranged on the outer frame and is used to fix the instrument railing when the instrument railing is lifted up.

[0019] Further, the instrument railing includes an upper connecting member, a plurality of long rods and a bottom connecting member. The tops of the plurality of long rods are connected to the upper connecting member. The bottoms of the plurality of long rods are connected to the bottom connecting member. The cable is connected to the upper connecting member. The plurality of long rods are provided with connecting heads for fixing monitoring instruments.

[0020] Further, the outer sides of the plurality of long rods are provided with stoppers. The instrument railing fixing device is a hollow frustum shape with a wider bottom and a narrower top. When the instrument railing is lifted to the instrument railing fixing device, the stoppers abut against the inner side wall of the instrument railing fixing device.

[0021] Compared with the prior art, the profile lifting system for a marine buoy provided by the present invention drives the wire winding drum to rotate or rotate in the reverse direction through a motor, so that the monitoring instrument placed in the instrument railing can be extended into the sea water to a certain depth or lifted from the sea water, so that the monitoring instrument can monitor the marine environment at different depths, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1It is a three-dimensional schematic diagram of the sectional lifting system for a marine buoy provided by the present invention;

[0023] Figure 2 It is a three-dimensional schematic diagram of the cable tensioning device of the sectional lifting system for a marine buoy provided by the present invention;

[0024] Figure 3 It is a three-dimensional schematic diagram of the wire arranging device of the sectional lifting system for a marine buoy provided by the present invention;

[0025] Figure 4 It is a three-dimensional schematic diagram of the instrument bar of the sectional lifting system for a marine buoy provided by the present invention.

[0026] Description of reference numerals:

[0027] Instrument bar 100, upper connecting member 110, long rod 120, connecting head 121, stop block 122, bottom connecting member 130;

[0028] Wire winding drum 200;

[0029] Cable 300;

[0030] External frame 400;

[0031] Cable tensioning device 500, upper platform 510, tension spring 520, bottom plate 530, pulley 540;

[0032] Wire arranging device 600, pulley 610, wire arranging frame 620, reciprocating lead screw 630, limiting shaft 640, base 650;

[0033] Drive member 700, first sprocket 710, second sprocket 720, chain 730;

[0034] Instrument bar fixing device 800;

[0035] Wire pressing device 900. Detailed implementation manners

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The implementation of the present invention will be described in detail below with reference to specific embodiments.

[0038] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings. This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0039] As shown in Figures 1 - 4, a preferred embodiment provided by the present invention is presented.

[0040] A profile lifting system for a marine buoy, comprising:

[0041] An instrument rack 100 for placing monitoring instruments;

[0042] A wire reel 200, which is basically cylindrical, and the cylindrical surface around the cylinder has a groove with a certain depth for winding the wire;

[0043] A motor for driving the wire reel 200 to rotate; the motor is powered by a storage battery in the marine buoy, and the storage battery can be regularly charged, regularly replaced, or powered by a solar panel on the marine buoy, or powered by a wind turbine on the marine buoy; the rotation of the motor is controlled by a control circuit on the marine buoy;

[0044] And a cable 300, one end of the cable 300 is connected to the instrument rack 100, and the other end of the cable 300 is connected to the wire reel 200;

[0045] Wherein, when it is necessary to place the monitoring instrument at a certain depth in the sea water, the motor drives the wire reel 200 to rotate, releases the cable 300, and under the action of gravity, the instrument rack 100 descends to the required position as the cable 300 is released;

[0046] When it is necessary to lift the monitoring instrument, the motor drives the wire reel 200 to rotate in the reverse direction, retracts the cable 300, and lifts the instrument rack 100.

[0047] The profile lifting system for a marine buoy drives the wire reel 200 to rotate or rotate in the reverse direction through the motor, so that the monitoring instrument placed in the instrument rack 100 can be extended to a certain depth in the sea water or lifted from the sea water, so that the monitoring instrument can monitor the marine environment at different depths, which is very convenient.

[0048] The profile lifting system further includes an external frame 400 and a cable tensioning device 500. The cable tensioning device 500 is disposed at the top of the external frame 400 and is used to keep the cable 300 always in a taut state.

[0049] The cable tensioning device 500 includes an upper platform 510, a tension spring 520, a bottom plate 530, and a pulley 540. The upper platform 510 is fixedly connected to the top of the external frame 400. The tension spring 520 is disposed between the upper platform 510 and the bottom plate 530. The pulley 540 is disposed below the bottom plate 530. There may be 4 tension springs 520. The length of each tension spring 520 is 60 mm, and the outer diameter is 20 mm. The 4 tension springs 520 are arranged on two sides, with 2 on each side. One end of the cable 300 is connected to the instrument bar 100. The cable 300 passes through the pulley 540 on the cable tensioning device 500, enabling the instrument bar 100 to move up and down relative to the cable device.

[0050] During the swaying of the offshore buoy, when the cable 300 changes from a taut state to a slack state, the tension spring 520 automatically tightens, causing the cable 300 to change from a slack state to a taut state, so that the cable 300 is not easily jammed during retraction. When the instrument bar 100 is impacted by waves and pulled downward, the tension spring 520 is stretched longer, causing the cable 300 to automatically release a part. The cable tensioning device 500 has an automatic adjustment function, so that the cable 300 is not easily damaged.

[0051] A tension sensor may be provided on the upper platform 510 of the cable tensioning device 500 to cooperate with the use of the tension spring 520.

[0052] The tension sensor is based on the following principle: When an elastic body undergoes elastic deformation under the action of an external force, the resistance strain gauges pasted on its surface also undergo deformation accordingly. After the resistance strain gauges are deformed, their resistance values will change. Then, through a corresponding measurement circuit, this resistance change is converted into an electrical signal, thus completing the process of converting the external force into an electrical signal.

[0053] The deformation of the tension spring 520 can be monitored through the tension sensor, and thus the condition of the instrument bar 100 suspended below the cable tensioning device 500 can be monitored. For example, if the cable 300 breaks, the cable tensioning device 500 is equivalent to being unloaded and without load. When the suspended instrument bar 100 is in a static state, the tension of the cable 300 on the instrument bar 100 is equivalent to its own gravity, and the buoyancy force on the instrument bar 100 is relatively small and can be ignored; the force on the tension spring 520 is equivalent to twice the tension of the cable 300. When the cable is released and the instrument bar accelerates downward, the force on the tension spring 520 is less than twice the tension of the cable 300. When the cable is retracted and the instrument bar accelerates upward, the force on the tension spring 520 is greater than twice the tension of the cable 300.

[0054] The marine buoy will sway with the waves at sea, and the heave during the swaying of the buoy will affect the tension state of the cable 300. The loose cable 300 is prone to jamming and other situations when being retracted. Therefore, the tension spring 520 or the tension spring 520 in cooperation with the tension sensor is adopted to reduce the influence of the buoy heave force on the cable 300 and keep the cable 300 always in a tense state.

[0055] The profile lifting system further includes a cable arranging device 600 and a transmission member 700. The cable arranging device 600 is used for arranging and retracting the cable 300. The cable arranging device 600 is connected to the winding drum 200 through the transmission member 700. Through the connection of the transmission member 700, as the winding drum 200 rotates, it drives the cable arranging device 600 to move, so that the cable 300 will not be messy when being retracted or relaxed, and the cable 300 is in a proper position in the winding drum 200.

[0056] The transmission member 700 of the profile lifting system includes a first sprocket 710, a chain 730 and a second sprocket 720. The first sprocket 710 is connected to the winding drum 200. For example, the rotating shaft of the first sprocket 710 and the rotating shaft of the winding drum 200 are the same rotating shaft. When the motor drives the winding drum 200 to rotate, the first sprocket 710 rotates synchronously; or the rotating shaft of the winding drum 200 and the rotating shaft of the first sprocket 710 are connected by meshing transmission through a pair of gears or a gear box. The second sprocket 720 is connected to the cable arranging device 600. For example, the second sprocket 720 is fixedly connected to one end of the reciprocating lead screw 630 of the cable arranging device 600, or the rotating shaft of the first sprocket 710 and the reciprocating lead screw 630 are connected by meshing transmission through a pair of gears or a gear box. The first sprocket 710 and the second sprocket 720 are connected by the chain 730 for transmission. When the motor drives the winding drum 200 to rotate, the first sprocket 710 rotates synchronously, and drives the second sprocket 720 to rotate through the chain 730, so as to make the cable arranging device 600 move and facilitate the arranging and retracting of the cable 300.

[0057] To facilitate the transmission of the chain 730, the module of the first sprocket 710 is the same as that of the second sprocket 720. When the number of teeth of the first sprocket 710 is the same as that of the second sprocket 720, their angular velocities of rotation are also the same. When the number of teeth of the first sprocket 710 is less than that of the second sprocket 720, the outer diameter of the first sprocket 710 is less than that of the second sprocket 720. Since the chain 730 travels the same length on the first sprocket 710 and the second sprocket 720, the angular velocity of the first sprocket 710 is greater than that of the second sprocket 720. That is to say, the sprocket of the wire arranging device 600 needs to rotate a little slower, so that the wire 300 is arranged more tightly on the winding drum 200 due to the movement of the wire arranging device 600.

[0058] The wire arranging device 600 includes a pulley 610, a wire arranging frame 620, a reciprocating lead screw 630, a limiting shaft 640 and a base 650. The base 650 is fixedly connected to the external frame 400. The pulley 610 is arranged on the wire arranging frame 620. The reciprocating lead screw 630 is connected to the base 650 through a bearing. Both ends of the limiting shaft 640 are fixedly connected to the base 650, or both ends of the limiting shaft 640 can also be fixedly connected to the external frame 400; the reciprocating lead screw 630 and the limiting shaft 640 are arranged in parallel. The wire arranging frame 620 is sleeved on the reciprocating lead screw 630 and the limiting shaft 640. The wire arranging frame 620 has through holes that cooperate with the limiting shaft 640, and the wire arranging frame 620 has threaded holes that cooperate with the reciprocating lead screw 630. The wire arranging frame 620 is threadedly connected to the reciprocating lead screw 630. One end of the reciprocating lead screw 630 is connected to the second sprocket 720. The reciprocating lead screw 630 is of a reciprocating thread type, and the thread profiles in both spiral directions are rectangular or trapezoidal. When the motor drives the winding drum 200 to rotate, the first sprocket 710 rotates accordingly, and drives the second sprocket 720 to rotate together through the chain 730, thereby driving the reciprocating lead screw 630 to rotate; when the reciprocating lead screw 630 rotates, due to the limiting effect of the limiting shaft 640, the wire arranging frame 620 that cooperates with the reciprocating lead screw 630 makes a reciprocating motion on the reciprocating lead screw 630, so as to realize the uniform reciprocating winding of the wire 300 on the winding drum 200 and arrange the wires reasonably.

[0059] The profile lifting system further includes a wire pressing device 900. The wire pressing device 900 is hinged to the top of the external frame 400. A spring is arranged at the hinged part of the wire pressing device 900. This spring is used to press the wire pressing device 900 towards the groove of the winding drum 200. The wire 300 is pressed by the wire pressing device 900 towards the winding drum 200 to prevent the wire 300 from shifting laterally. Apply longitudinal constraints to the wire 300 to prevent abnormal wire 300 gathering caused by excessive longitudinal freedom resulting in lateral deviation of the wire 300.

[0060] The part of the wire presser 900 in contact with the cable 300 can be a smooth shaft with the same width as the groove of the wire winding drum 200, or a sleeve can be sleeved on the smooth shaft of the wire presser 900. The sleeve can rotate freely on the smooth shaft. In this way, when the sleeve on the wire presser 900 presses the cable 300, as the cable 300 is retracted, the sleeve rotates on the smooth shaft, and the sliding friction becomes rolling friction. In this way, the friction force between the cable 300 and the wire presser 900 becomes smaller, preventing the wire presser 900 from wearing the cable 300 and achieving a good anti-wear effect.

[0061] The cable 300 of the profile lifting system can be a steel cable with a rubber outer layer, which has good strength, is not easy to deform, is not easy to break, and at the same time avoids the erosion of seawater. Preferably, the cable 300 includes an electric cable. One end of the cable 300 is electrically connected to the monitoring instrument in the instrument column 100. Starting from this end of the instrument column 100, the cable 300 sequentially passes through the pulley 540 of the cable tensioning device 500, the pulley 610 of the wire arranging device 600, the wire presser 900, the surface wire hole in the groove of the wire winding drum 200, and the inside of the wire winding drum 200. The cable 300 is electrically connected to the conductive slip ring inside the wire winding drum 200, and the conductive slip ring is electrically connected to the acquisition device.

[0062] The inside of the wire winding drum 200 is a closed cavity, which has good waterproof function and is suitable for the electrical connection of relevant instruments in the marine environment. The conductive slip ring can be arranged inside the wire winding drum 200. The motor driving the wire winding drum 200 to rotate can be arranged inside the wire winding drum 200, or can also be arranged outside the wire winding drum 200, and waterproof measures are taken.

[0063] The motor can be arranged inside the wire winding drum 200 and drive the wire winding drum 200 to rotate by meshing with the rotating shaft of the wire winding drum 200 through the transmission gear. The inside of the wire winding drum 200 can be conveniently made into a cavity with good waterproof performance, and the components related to electrical connection can be arranged inside the wire winding drum 200. The motor can be controlled by a control circuit and can be controlled to rotate by remote control; or the marine buoy can send and receive radio signals, and remotely operate the relevant monitoring instruments through the radio signals. For example, the monitoring instrument can be lowered to a certain depth in the seawater for monitoring; the relevant data measured by the monitoring instrument can be remotely transmitted to the user, and the user can obtain the relevant monitoring data in real time and obtain the first-hand data.

[0064] A conductive slip ring is an electronic component that connects a special device to a rotating body to transmit energy and signals. It consists of a rotating part and a stationary part. The rotating part uses the rotating structure of the device and operates with it, which is called the rotor; the stationary part is connected to the fixed structure of the device and is called the stator. The cable 300 rotates with the winding drum 200, and at the same time, the cable 300 is also electrically connected to the conductive slip ring. Due to the formation of the channel between the stator and the rotor, there must be contact between them, and their contact is the functional part of the entire conductive slip ring, which is the carrier of various performances. Therefore, a stable and reliable rotating connection system is formed (requiring the selection of materials, reasonable design, and precise production of parts). By rotating at both ends of the slip ring, the required signals can be transmitted. The working principle of the conductive slip ring is to maintain electrical contact between two circuits on two structures with relative motion, and a certain type of sliding contact can be used to connect the circuits.

[0065] A scale can be set on the outer surface of the cable 300 to facilitate knowing in real time and clearly how deep the monitoring instrument has been lowered below the sea surface. If you want to monitor the environment at a certain depth below the sea surface, just lower the cable 300 by the corresponding number of meters, which is relatively simple.

[0066] The motor that drives the winding drum 200 to rotate can be a stepper motor. By controlling the rotation of the stepper motor, the lowering distance of the monitoring instrument can be accurately controlled. For example, the transmission ratio can be pre-designed, and it can be designed that when the stepper motor rotates one circle, the corresponding monitoring instrument descends by a certain amount. In this way, the instrument can be intelligently controlled to be lowered to a certain depth below the sea surface. Intelligent control can also be carried out by searching a table. Through on-site verification, how many turns the stepper motor rotates when the monitoring instrument descends one meter is corresponding to establish a search table. In this case, if you want the instrument to descend by a certain number of meters, just use software to search the table to find out how many turns the corresponding stepper motor needs to rotate, and control the stepper motor to rotate according to the number of turns listed in the search table, then the intelligent control of the instrument to descend to a position below the sea surface can be realized. Through the transmission and reception of radio signals, the depth of the monitoring instrument carried by the offshore buoy below the sea surface can be remotely controlled.

[0067] The profile lifting system also includes an instrument rail fixing device 800. The instrument rail fixing device 800 is arranged on the outer frame 400 and is used to fix the instrument rail 100 when the instrument rail 100 is lifted up.

[0068] The instrument rail 100 includes an upper connecting member 110, multiple long rods 120, and a bottom connecting member 130. The tops of the multiple long rods 120 are connected to the upper connecting member 110, and the bottoms of the multiple long rods 120 are connected to the bottom connecting member 130. One end of the cable 300 is connected to the upper connecting member 110. Each long rod 120 has multiple connectors 121, and the multiple connectors 121 are arranged vertically on the long rod 120. In this way, multiple monitoring instruments can be fixed with the connectors 121 on the long rod 120.

[0069] The top end of the long rod 120 and the upper connecting member 110 can be rotatably connected. For example, a plurality of rotating shafts are arranged around the upper connecting member 110, and through holes cooperating with the rotating shafts are arranged at the top end of the long rod 120. The bottom end of the long rod 120 and the bottom connecting member 130 can be detachably connected. When the bottom end of the long rod 120 is disengaged from the bottom connecting member 130, the long rod 120 can be rotated and opened, and the monitoring instrument can be arranged in the instrument fence 100 surrounded by a plurality of long rods 120. The long rods 120 of the instrument fence 100 not only play a role in fixing the monitoring instrument, but also play a role in protecting the monitoring instrument, preventing the monitoring instrument from being damaged by large fish or being hit by external objects.

[0070] There are stoppers 122 on the outer side of the long rods 120 of the instrument fence 100, and the instrument fence fixing device 800 is a hollow frustum shape that is wider at the bottom and narrower at the top; a small section of notch can be left on the frustum side wall of the instrument fence fixing device 800, so that the instrument fence fixing device 800 has a certain degree of adjustability and can be expanded a little to accommodate a slightly larger instrument fence.

[0071] When the instrument fence 100 is lifted to the instrument fence fixing device 800, the stopper 122 abuts against the inner side wall of the instrument fence fixing device 800, preventing the instrument fence 100 from being continuously lifted and hitting the cable tensioning device 500 and the external frame 400. At the same time, since the stopper 122 abuts against the inner side wall of the instrument fence fixing device 800, it also prevents the instrument fence 100 from swinging greatly when suspended by the cable 300 and hitting other components on the marine buoy.

[0072] Rigid flanges can be provided on the inner side wall of the instrument fence fixing device 800, and the stoppers 122 of the instrument fence 100 can be set as elastic clamping blocks. Usually, the stoppers of the instrument fence 100 are in an extended state. When the instrument fence 100 is lifted to a certain height such that the stoppers of the instrument fence 100 contact the flanges on the inner side wall of the instrument fence fixing device 800, the stoppers 122 contract after being pressed, and can be extended again after passing through the flanges, which can form a support for the instrument fence 100 and fix the instrument fence 100. When the instrument fence 100 wants to leave the flange and descend into the sea water, the instrument fence 100 can be lifted a certain distance first to trigger the switch for retracting the stoppers 122, so that the instrument fence can smoothly descend to a certain depth in the sea water.

[0073] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sectional lifting system for a marine buoy, characterized in that, the sectional lifting system comprises: an instrument bar for placing monitoring instruments; a wire reel; a motor for driving the wire reel to rotate; and a cable, one end of the cable is connected to the instrument bar, and the other end of the cable is connected to the wire reel; wherein, when it is necessary to place the monitoring instrument at a certain depth in the sea water, the motor drives the wire reel to rotate, pays out the cable, and under the action of gravity, the instrument bar descends to the required position as the cable is paid out; when it is necessary to lift the monitoring instrument, the motor drives the wire reel to rotate in the reverse direction, winds up the cable, and lifts the instrument bar; the sectional lifting system further comprises an external frame and a cable tensioning device, the cable tensioning device is arranged at the top of the external frame for keeping the cable always in a taut state; the cable tensioning device comprises an upper platform, a tension spring, a bottom plate and a pulley, the upper platform is fixedly connected to the top of the external frame, the tension spring is arranged between the upper platform and the bottom plate, and the pulley is arranged at the lower part of the bottom plate; the sectional lifting system further comprises a wire arranging device and a transmission member, the wire arranging device is used for arranging and winding up the cable, and the wire arranging device is connected to the wire reel through the transmission member; the wire arranging device comprises a first pulley, a wire arranging frame, a reciprocating lead screw, a limiting shaft and a base, the base is fixedly connected to the external frame, the first pulley is arranged on the wire arranging frame, the reciprocating lead screw is connected to the base through a bearing, both ends of the limiting shaft are fixedly connected to the base, or both ends of the limiting shaft are fixedly connected to the external frame; the reciprocating lead screw and the limiting shaft are arranged in parallel; the wire arranging frame is sleeved on the reciprocating lead screw and the limiting shaft, the wire arranging frame has through holes matched with the limiting shaft, the wire arranging frame has threaded holes matched with the reciprocating lead screw, and the wire arranging frame is threadedly connected to the reciprocating lead screw; the sectional lifting system further comprises an instrument bar fixing device arranged on the external frame for fixing the instrument bar when the instrument bar is lifted up; the instrument bar comprises an upper connecting member, a plurality of long rods and a bottom connecting member, the tops of the plurality of long rods are connected to the upper connecting member, the bottoms of the plurality of long rods are connected to the bottom connecting member, the cable is connected to the upper connecting member, and the plurality of long rods are provided with connecting heads for fixing monitoring instruments; the outer sides of the plurality of long rods are provided with stoppers, and the instrument bar fixing device is a hollow frustum shape with a wider bottom and a narrower top; when the instrument bar is lifted to the instrument bar fixing device, the stoppers abut against the inner side wall of the instrument bar fixing device; a rigid flange is arranged on the inner side wall of the instrument bar fixing device, and the stopper of the instrument bar is an elastic clamping block; when the instrument bar is lifted to a certain height such that the stopper of the instrument bar contacts the flange on the inner side wall of the instrument bar fixing device, the stopper contracts after being pressed, and after passing through the flange, the stopper expands again to form a support for the instrument bar and fix the instrument bar.

2. The profile lifting system for a marine buoy as claimed in claim 1, wherein, the transmission member includes a first sprocket, a chain and a second sprocket, the first sprocket is connected to the wire winding drum, the second sprocket is connected to the wire arranging device, and the chain connects the first sprocket and the second sprocket.

3. The profile lifting system for a marine buoy as claimed in claim 2, wherein, the first sprocket and the second sprocket have the same module, and the number of teeth of the first sprocket is less than that of the second sprocket.

4. The profile lifting system for a marine buoy as claimed in claim 3, wherein, the profile lifting system further includes a wire presser, the wire presser is hinged to the top of the outer frame, and the wire presser is used to prevent the cable from lateral deviation.

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