Floating type warning sign device of submarine cable
Technical Field
The utility model relates to the technical field of marine warning devices, in particular to a floating warning sign device of a submarine cable.
Background
In recent years, the offshore wind power generation industry is rapidly developed, the offshore wind power also has problems in the rapid development process, and a plurality of accidents related to submarine cables occur in the construction and operation processes of the offshore wind power plant. Most of the damage of the submarine cable is represented by serious accidents such as damage or fracture of the submarine cable caused by the fact that the ship anchor hooks are connected with the submarine cable when a construction ship, a fishing ship or other commercial ships are anchored or the ship is anchored.
Some existing warning sign floating bodies are prone to being broken after being subjected to extreme weather, and the situation that anchor ropes are lost during maintenance and replacement of the floating bodies is prone to happen, so that maintenance work is time-consuming and labor-consuming.
Therefore, the problem that the anchor rope is easy to lose is solved, the pressure of maintenance work can be greatly reduced, and the method has very important significance.
Disclosure of utility model
The utility model aims at overcoming the defects of the prior art, and provides a floating type warning sign device for a submarine cable.
The utility model provides a floating type warning sign device of a submarine cable, which comprises a gravity anchor, a mooring rope, a floating body, a second retaining ring, an auxiliary floating plate and a picture layer, wherein the gravity anchor is buried below a mud surface, the floating body is connected with the gravity anchor through the mooring rope, the floating body floats on the sea surface, the second retaining ring is arranged on the lower end surface of the floating body, the middle section of the mooring rope penetrates through the second retaining ring, the auxiliary floating plate is connected with the end part of the mooring rope and used for positioning the mooring rope, and the picture layer is fixedly connected to the surface of the floating body and used for indicating the laying direction of the submarine cable. The accessory buoyancy plates are still able to indicate the position of the mooring lines even if the float body breaks.
Further, the gravity anchor further comprises a counterweight buried below the mud surface, and a first retaining ring fixedly connected to the upper end surface of the counterweight and connected with the mooring rope.
Further, the counterweight is of a shovel-shaped structure.
The mooring rope further comprises an anchor rope and a shackle, wherein the shackle is sleeved on the anchor rope, the anchor rope is connected with the first retaining ring and the second retaining ring through the shackle, and the shackle is used for quick disassembly or connection of the mooring rope.
Further, both ends of the anchor rope are tied on the attached floating plate, and the middle section of the anchor rope is connected with the first retaining ring and the second retaining ring in sequence through shackle. Both ends of the anchor rope are exposed on the auxiliary floating plate, so that the rope knot is prevented from being tied below the sea surface, the load of operation and maintenance personnel is reduced, and daily observation and maintenance are facilitated.
Further, a tether column is arranged in the middle of the auxiliary floating plate, and the end parts of the mooring ropes are connected with the auxiliary floating plate through the tether column.
Furthermore, the floating body is cuboid and made of polyvinyl chloride.
Furthermore, the auxiliary floating plate is made of EVA materials.
Further, the painting layer is a rigid member.
Further, the picture layer is bonded and fixed with the floating body.
The beneficial effects of the utility model are as follows:
1. through affiliated floating plate, can fix a position mooring rope fast under the broken circumstances of body so as to avoid losing, and then change the body.
2. The floating body is provided with a painting layer which marks the direction of the submarine cable and warns the ship to go and no ship to go.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a schematic structural view of an auxiliary floating plate according to an embodiment of the present utility model.
The gravity anchor comprises 1, a gravity anchor, 11, a counterweight 12, a first retaining ring, 2, a mooring rope, 21, an anchor rope, 22, a shackle, 3, a floating body, 31, a floating body, 32, a second retaining ring, 33, an auxiliary floating plate, 331, a tether column, 34, a picture layer, 4, a submarine cable, 5, a sea surface, 6 and a mud surface.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 1, a floating type warning sign device of a submarine cable comprises the following structures:
The gravity anchor 1, wherein the gravity anchor 1 is buried below the mud surface 6, the gravity anchor 1 further comprises a counterweight 11, the counterweight 11 is buried below the mud surface 6, the counterweight 11 is of a shovel-shaped structure, the shovel-shaped structure is favorable for burying the mud surface 6, the counterweight 11 is preferably made of concrete, the first retaining ring 12 is fixedly connected to the upper end surface of the counterweight 11, and the first retaining ring 12 is connected with the mooring rope 2.
The mooring rope 2 further comprises an anchor rope 21 and a shackle 22, wherein the shackle 22 is sleeved on the anchor rope 21, two ends of the anchor rope 21 are tied on an auxiliary floating plate 33, the middle section of the anchor rope 21 is sequentially connected with the first buckle ring 12 and the second buckle ring 32 through the shackle 22, and the shackle 22 is used for quick disassembly or connection of the mooring rope 2. Both ends of the anchor rope 21 are exposed on the sea surface 5, so that the situation that the anchor rope 21 is lost is avoided, and other components are connected in series through the middle section of the anchor rope 21, so that the structural strength is enhanced. The mooring rope 2 adopts a polyester and polyolefin double-fiber mixed rope, and has good seawater corrosion resistance.
The floating body 3 is connected with the gravity anchor 1 through the mooring rope 2, the floating body 3 further comprises a floating body 31, a second retaining ring 32, an auxiliary floating plate and a picture layer 34, wherein the floating body 31 floats on the sea surface 5, the second retaining ring 32 is arranged on the lower end surface of the floating body 31, the middle section of the mooring rope 2 passes through the second retaining ring 32, the auxiliary floating plate is connected with the end part of the mooring rope 2 and is used for positioning the mooring rope 2, the auxiliary floating plate is provided with a tether column 331 in the middle of the auxiliary floating plate 33, the end part of the mooring rope 2 is connected with the auxiliary floating plate 33 through the tether column 331, the picture layer 34 is made of EVA, and is preferably a rigid member, the picture layer 34 is favorable for keeping a stereoscopic effect under the condition that the floating body 3 is broken, and is used for indicating the laying direction of a submarine cable 4, and further, the auxiliary floating plate is used for preventing the submarine cable 4 from being tightly anchored or being broken to the outside of the ship due to the anchor 4, and the ship is prevented from being anchored to the outside due to the tether column 331, referring to fig. 2. The picture layer 34 is adhered and fixed to the floating body 31. The floating body 3 is a cuboid, and is made of polyvinyl chloride, the floating body 31 is provided with a closable cover, and the floating body 31 can be kept in a posture in a ballasting mode to avoid rolling. The auxiliary floating plate 33 ensures that the mooring line 2 remains floating in case of a rupture of the floating body 31 and quickly finds the mooring line 2, and then the floating body 31 is replaced.
The installation method comprises the following steps:
(1) The gravity anchor 1, the mooring rope 2 and the floating body 3 are well connected on the deck of the construction ship;
(2) Through satellite accurate positioning, two gravity anchors 1 are sunk to 1m on one side of the submarine cable 4 by using a crane of a construction ship, the distance between the two gravity anchors 1 is 1m, the connecting line direction of the two gravity anchors 1 is consistent with the trend of the submarine cable 4, and a mooring rope 2 is gradually lowered along with the gravity anchors 1 until the gravity anchors 1 are in place;
(3) The operator transfers the floating body 3 from the construction ship to the sea water to complete the arrangement of the warning markers of the submarine cable 4, and then places the next warning device at intervals of 200 meters;
The general stormy waves can not cause the floating body 31 to topple, before extreme weather such as typhoons, billows and the like comes, the operation and maintenance ship can be used for ballasting the floating body 31 in advance, so that the slapping of the high stormy waves to the floating body 31 under severe sea conditions is reduced, the safety of the floating body 31 and the mooring ropes 2 is ensured, and the floating body 31 can be unloaded after severe weather;
The foregoing embodiments are merely illustrative of the technical solutions of the present application, and not restrictive, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that modifications may still be made to the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.