Offshore wind power deeply-buried submarine cable positioning device

Abstract

The utility model relates to the technical field of submarine cable positioning, in particular to an offshore wind power deep-buried submarine cable positioning device which comprises a positioning box. A connecting pressurizing structure connected with a ship is assembled at the top; a pressure bin is formed in the positioning box, a connecting hole penetrating through the outer portion of the positioning box is formed in the bottom of the pressure bin, and an electromagnetic valve is assembled on the inner side of the connecting hole. According to the submarine cable positioning device, seawater flows into the pressure bin to pressurize the internal gravity of the positioning box, so that the positioning box sinks into seawater, and the submarine cable can be accurately positioned conveniently. According to the rising mechanism, by opening an electromagnetic valve and starting a pressurizing air pump, external air is extracted and compressed into a pressure bin, seawater in the pressure bin is discharged, the weight in the positioning box is reduced, the positioning box can rise to the sea surface by means of buoyancy of the floating air bag, and meanwhile the flexibility and durability of the device are improved. Due to the design of the floating air bag, enough buoyancy is provided for the positioning box, the positioning box can easily ascend to the sea surface when needed, and maintenance and inspection are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a submarine cable positioning technical field, concretely relates to a kind of offshore wind power deep buried submarine cable positioning device. BACKGROUND

[0002] With the increasing scarcity of land resources, the demand of ecological environment, marine wind power as a kind of sustainable, clean energy gets rapid development, in the whole power transmission system of marine power generation, submarine cable is the blood of this system, its safety reliability is related to the normal grid connection of electric power. Submarine cable is usually laid horizontally in seabed, and buried protection, relatively safe, but when connecting to wind turbine, it needs to be introduced from seabed J type pipe to wind turbine platform, submarine cable needs to be transitioned from horizontal state to vertical state, and the lower end of J type pipe is connected to horizontal seabed mud surface, this section of submarine cable is exposed and suspended, since the inner diameter of J type pipe is 2 to 3 times of the outer diameter of submarine cable, under the action of ocean current, submarine cable will swing in J pipe continuously, and collide and rub at the lower end of J type pipe, long-term effect will cause submarine cable damage, affect the use of submarine cable, cause huge economic loss, at the same time, seawater and marine organisms will corrode the inner wall of J type pipe, reduce the service life of J type pipe. Chinese patent discloses a kind of submarine cable center positioning protection device (authorized announcement number CN207819406U), the patent technology. The patent technology solves the existing submarine cable center positioning protection device, including guide cone, connecting insert and fastening clamp;Guide cone, connecting insert and fastening clamp are composed of two symmetrical parts;Guide cone, connecting insert and fastening clamp are sequentially fixedly connected, a plurality of conical rings are arranged on the outer side of the rear end of guide cone;Submarine cable through hole for placing submarine cable is arranged in guide cone, connecting insert and fastening clamp;After the submarine cable passes through the submarine cable center positioning protection device and is fixed, due to the gap between the fastening clamp and the submarine cable, the port of the fastening clamp and the submarine cable are easily rubbed under the flow of seawater, so that the outer protective layer of the submarine cable is damaged.

[0003] However, in the prior art, it is not easy to adjust the sinking height of the submarine cable during sinking positioning, and the problem of clamping the submarine cable for sinking in the sea in the prior art needs to be solved.

[0004] Therefore, the skilled in the art provides a kind of offshore wind power deep buried submarine cable positioning device to solve the problems raised in the above background. SUMMARY

[0005] To solve the above technical problems, the utility model provides:

[0006] A kind of offshore wind power deep buried submarine cable positioning device, comprising:

[0007] Positioning box;Top is equipped with the connection booster structure connected to ship;

[0008] The positioning box is internally provided with a pressure chamber, and a connecting hole penetrating through the outside of the positioning box is formed at the bottom of the pressure chamber, and an electromagnetic valve is assembled inside the connecting hole;

[0009] The connecting pressurizing structure comprises a sealing disc fixedly arranged on the positioning box at the top of the pressure chamber.

[0010] The sealing disc is internally provided with a pressurizing air pump, and an exhaust pipe inside the pressure chamber is connected to the exhaust end of the pressurizing air pump.

[0011] Preferably, the outer wall of the positioning box is annularly fixedly provided with four fixed connecting plates, and a floating air bag is fixedly arranged at the end of the fixed connecting plate away from the positioning box.

[0012] Preferably, the positioning plate is fixedly assembled at both sides of the bottom of the positioning box, and a waterproof cylinder is fixedly arranged on the inner wall of the positioning plate.

[0013] Preferably, the output end of the waterproof cylinder is fixedly provided with a fixed plate, and a clamping plate is fixedly arranged outside the fixed plate.

[0014] Preferably, the clamping plate is annular, and a plurality of anti-skid strips clamping the submarine cable are fixedly arranged inside the annular clamping plate.

[0015] A plurality of lightening grooves are formed at the upper and lower ends of the clamping plate.

[0016] Preferably, the exhaust end of the pressurizing air pump is connected with a flexible exhaust pipe, and flexible connecting plates are assembled at both sides of the flexible exhaust pipe.

[0017] Preferably, a steel wire rope is assembled at the end of the flexible connecting plate away from the flexible exhaust pipe, and a fixing member is fixedly arranged at the bottom end of the steel wire rope on the surface of the sealing disc.

[0018] The technical effects and advantages of the utility model are as follows:

[0019] The submarine cable positioning device structure of the utility model is connected to the ship through the steel wire rope and the flexible exhaust pipe, realizes the connection and positioning function with the ship, the pressurizing air pump extracts the external air through the flexible exhaust pipe and compresses the air to provide power for the lifting of the positioning box, the waterproof cylinder and the clamping plate are used for clamping and positioning the submarine cable to ensure the stability and safety in the seawater.

[0020] The utility model discloses, sea water flows into the inside pressure storehouse, to the inside gravity pressurization of positioning box, make it sink to the sea water, facilitate the accurate positioning of submarine cable. The mechanism of ascending, through the opening solenoid valve and start booster air pump, the outside air is extracted and compressed into pressure storehouse, the sea water in the inside pressure storehouse is discharged, the weight in the inside positioning box is lightened, make it can ascend to the sea surface with the help of the buoyancy of floating air bag, improved the flexibility and durability of device. The design of floating air bag provides enough buoyancy for positioning box, makes it can easily ascend to the sea surface when needing, convenient maintenance and check. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the structural schematic diagram of offshore wind power deep buried submarine cable positioning device provided by the application;

[0022] Fig. 2 It is the structural schematic diagram of offshore wind power deep buried submarine cable positioning device provided by the application;

[0023] Fig. 3 It is the structural schematic diagram of pressure storehouse in the offshore wind power deep buried submarine cable positioning device provided by the application;

[0024] Fig. 4 It is the structural schematic diagram of waterproof cylinder in the offshore wind power deep buried submarine cable positioning device provided by the application;

[0025] Fig. 5 It is the structural schematic diagram of connecting booster structure in the offshore wind power deep buried submarine cable positioning device provided by the application.

[0026] In the drawing:

[0027] 1, positioning box;2, fixed connecting plate;3, floating air bag;

[0028] 4, connecting booster structure;401, sealing disc;402, booster air pump;403, exhaust pipe;404, flexible air extraction pipe;405, fixed part;406, steel wire rope;407, flexible connecting plate;

[0029] 5, pressure storehouse;6, solenoid valve;7, positioning plate;8, waterproof cylinder;9, fixed plate;10, clamping plate;11, antiskid strip;12, weight reduction groove. DETAILED DESCRIPTION

[0030] The utility model makes further detailed illustration below combining with the drawings and specific embodiment. The example of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and enable those skilled in the art to understand the utility model to design various embodiments with various modifications suitable for specific purposes.

[0031] Embodiment, please refer to Figs. 1-5 In the embodiment, a positioning device for offshore wind power deep buried submarine cable is provided, comprising: a positioning box 1; a connection booster structure 4 is assembled on the top of the positioning box 1 and connected to a ship; a pressure chamber 5 is formed in the positioning box 1, and a connecting hole is formed in the bottom of the pressure chamber 5 and arranged outside the positioning box 1, and an electromagnetic valve 6 is assembled in the inside of the connecting hole;

[0032] The connection booster structure 4 comprises a sealing disc 401 fixedly arranged on the positioning box 1 at the top of the pressure chamber 5; a booster air pump 402 is installed in the inside of the sealing disc 401, and an exhaust pipe 403 is connected to the inside of the pressure chamber 5 at the exhaust end of the booster air pump 402. Four fixed connection plates 2 are fixedly arranged on the outer wall of the positioning box 1 in a ring shape, and a floating air bag 3 is fixedly arranged at the end of the fixed connection plate 2 away from the positioning box 1.

[0033] A positioning plate 7 is fixedly assembled on both sides of the bottom of the positioning box 1, and a waterproof cylinder 8 is fixedly arranged on the inner wall of the positioning plate 7. A fixed plate 9 is fixedly arranged at the output end of the waterproof cylinder 8, and a clamping plate 10 is fixedly arranged on the outside of the fixed plate 9. The clamping plate 10 is formed in a ring shape, and a plurality of anti-skid strips 11 for clamping submarine cables are fixedly arranged in the ring-shaped inside of the clamping plate 10.

[0034] A plurality of weight-reducing grooves 12 are formed in the upper and lower ends of the clamping plate 10. A flexible air suction pipe 404 is connected to the air suction end of the booster air pump 402, and flexible connection plates 407 are assembled on both sides of the flexible air suction pipe 404. A steel wire rope 406 is assembled at the end of the flexible connection plate 407 away from the flexible air suction pipe 404, a fixed part 405 is fixedly arranged at the bottom end of the steel wire rope 406, and the fixed part 405 is fixedly installed on the surface of the sealing disc 401.

[0035] The working principle of the utility model in the above embodiment is as follows:

[0036] The positioning box 1 is connected to the ship through the steel wire rope 406 and the flexible air suction pipe 404 of the connection booster structure 4;

[0037] The submarine cable is placed between the clamping plates 10 during positioning and assembling, the clamping plates 10 are extended by the waterproof air cylinder 8 to clamp and position the submarine cable, after the positioning box 1 is placed in seawater, the electromagnetic valve 6 is opened, seawater flows into the pressure chamber 5 through the bottom of the positioning box 1, the gravity of the positioning box 1 is increased, the positioning box 1 can sink into seawater, and the submarine cable is conveniently positioned and placed;

[0038] When the positioning box 1 is lifted, the electromagnetic valve 6 is opened and the pressure air pump 402 is started, air outside is extracted by the flexible air extraction pipe 404 and compressed into the pressure chamber 5 through the pressure air pump 402, seawater in the pressure chamber 5 is discharged outside the positioning box 1 through the electromagnetic valve 6, the weight in the positioning box 1 is reduced, the positioning box 1 is lifted to the sea surface through the floating force of the floating air bag 3.

[0039] In the present application, unless otherwise clearly specified and limited, for example, it can be fixedly connected, or detachably connected, or integrated; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction between two elements; unless otherwise clearly limited, the above-mentioned terms can be understood according to the specific meaning in the present application by the ordinary skilled in the art.

[0040] Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially specified and limited, are implemented according to the conventional means in the art.

Claims

1. A positioning device for a deep-sea cable of an offshore wind farm, characterized in that Include: Positioning box (1); top equipped with the connection booster structure (4) connected to the ship; The positioning box (1) is internally provided with a pressure chamber (5), and the bottom of the pressure chamber (5) is provided with a connecting hole penetrating the outside of the positioning box (1), and the inside of the connecting hole is equipped with a solenoid valve (6); The connection booster structure (4) includes a sealing disc (401) sealingly and fixedly arranged on the positioning box (1) on the top of the pressure chamber (5); The sealing disc (401) is internally provided with a booster air pump (402), and the exhaust end of the booster air pump (402) is connected with an exhaust pipe (403) located inside the pressure chamber (5).

2. A positioning device for a deep-buried submarine cable of an offshore wind power plant according to claim 1, characterized in that The outer wall of the positioning box (1) is annularly and fixedly provided with four fixed connecting plates (2), and the end of the fixed connecting plate (2) away from the positioning box (1) is fixedly provided with a floating air bag (3).

3. The positioning device for a deep-buried submarine cable of an offshore wind power according to claim 1, characterized in that, The bottom of the positioning box (1) is fixedly provided with a positioning plate (7) on both sides, and the inner wall of the positioning plate (7) is fixedly provided with a waterproof cylinder (8).

4. A positioning device for a deep-buried submarine cable of an offshore wind power plant according to claim 3, characterized in that The output end of the waterproof cylinder (8) is fixedly provided with a fixed plate (9), and the outer side of the fixed plate (9) is fixedly provided with a clamping plate (10).

5. A positioning device for a deep burial submarine cable of an offshore wind power plant according to claim 4, characterized in that, The clamping plate (10) is annular, and the annular inner side of the clamping plate (10) is fixedly provided with a plurality of anti-skid strips (11) for clamping submarine cables.

6. The positioning device for a deep-buried submarine cable of an offshore wind power according to claim 1, characterized in that, The air suction end of the booster air pump (402) is connected with a flexible air suction pipe (404), and the two sides of the flexible air suction pipe (404) are equipped with flexible connecting plates (407).

7. A positioning device for a deep burial submarine cable of an offshore wind power plant according to claim 6, characterized in that, The end of the flexible connecting plate (407) away from the flexible air suction pipe (404) is equipped with a steel wire rope (406), and the bottom end of the steel wire rope (406) is fixedly provided with a fixing piece (405) fixedly installed on the surface of the sealing disc (401).

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