CN209873725U

CN209873725U - Opening and closing door device of underwater arresting net

Info

Publication number: CN209873725U
Application number: CN201920473246.9U
Authority: CN
Inventors: 李存扣
Original assignee: Taizhou Golden Ocean Shipping Equipment Co Ltd
Current assignee: Taizhou Golden Ocean Shipping Equipment Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-31
Anticipated expiration: 2029-04-09

Abstract

The utility model relates to an open-close door device of an underwater arresting net, which comprises a first buoyancy tank, a second buoyancy tank, a traction rope, a door body arresting net and a winch, wherein the first buoyancy tank and the second buoyancy tank are fixed by anchoring, and the door body arresting net is provided with a plurality of weight carriers; the first floating box and the second floating box are fixedly connected with an underwater blocking net, the door body blocking net is arranged between the first floating box and the second floating box, and two sides of the door body blocking net are respectively connected with adjacent underwater blocking nets; the winch is installed on the first buoyancy tank, a plurality of traction rings are fixedly connected to the top of the door body blocking net at intervals, one end of the traction rope is fixed to the second buoyancy tank, and the other end of the traction rope penetrates through the traction rings and then is wound on the winch. The utility model discloses can guarantee marine important target safety and can supply the marine target thing of boats and ships business turn over fast.

Description

Opening and closing door device of underwater arresting net

Technical Field

The utility model relates to an open and close door gear of arresting net under water belongs to the arresting technical field under water.

Background

With the development of offshore equipment in China and the increasing severity of offshore safety environment, the guard protection of important targets on the sea, such as large ships, offshore drilling platforms, docks, artificial reefs, special military-use sea areas and other civil and military facilities, is very important.

Because the position of the important target on the sea is relatively fixed, the important key position is many, and the regional scope is wide, at present more protects through the mode of protection network under the water (or supplementary protector on the water), and the protection network is installed on the body under water, and its lower extreme is equipped with counter weight chain in order to prevent boats and ships or frogman etc. from passing through, and the body is spacing through the location anchor.

In order to ensure protection targets such as ship entering and exiting ports, a plurality of opening and closing doors need to be reserved for the ship entering and exiting of the whole protection network system, but the problem to be solved urgently is that how to ensure the safety of the opening and closing doors and how to quickly open or close the opening and closing doors.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the opening and closing door device of the underwater arresting net can ensure the safety of important marine targets and can allow ships to rapidly enter and exit.

In order to solve the technical problem, the utility model provides a technical scheme is: the opening and closing door device of the underwater arresting net comprises a first floating box, a second floating box, a traction rope, a door body arresting net and a winch, wherein the first floating box and the second floating box are fixed through anchoring, and a plurality of weight loading blocks are arranged on the door body arresting net; the first floating box and the second floating box are fixedly connected with an underwater blocking net, the door body blocking net is arranged between the first floating box and the second floating box, and two sides of the door body blocking net are respectively connected with adjacent underwater blocking nets; the winch is installed on the first buoyancy tank, a plurality of traction rings are fixedly connected to the top of the door body blocking net at intervals, one end of the traction rope is fixed to the second buoyancy tank, and the other end of the traction rope penetrates through the traction rings and then is wound on the winch.

Preferably, the bottom of the door body arresting net is provided with a counterweight anchor chain. The vertical state of the underwater net can be guaranteed, the bottom of the net cannot be lifted by the aid of the submarine anchor, seamless protection is formed, a frogman can be effectively prevented from passing the net after lifting the bottom of the net, delay time can be prolonged, time is won for response, and protection capacity is greatly improved.

When the ship is used, the actual length of the door body blocking net is more than 1.5 times (generally, the optimal speed is about 2 times), the first floating box and the second floating box are fixed through anchoring, and when a ship approaches, the door body blocking net can rapidly descend to form a U-shaped opening after the traction rope is released through operating the winch, so that the ship can smoothly pass through the U-shaped opening. The haulage rope is tightened up through the hoist engine after the boats and ships pass through, and after the haulage rope was taut, the door body arresting barrier also can recover, maintains the protection state. The utility model is simple in operation is quick, uses reliably, can guarantee the quick business turn over of boats and ships to the safety of marine important target has been protected.

The utility model discloses in the both sides of door body arresting net link together with adjacent underwater arresting net respectively, nevertheless for improving the joint strength of door body arresting net, above-mentioned technical scheme's further improvement is: and two sides of the top of the door body blocking net are respectively connected with the first buoyancy tank and the second buoyancy tank.

In order to prolong the service life of the first buoyancy tank and the second buoyancy tank, preferably, the surfaces of the first buoyancy tank and the second buoyancy tank are provided with a sprayed polyurea layer. The sprayed polyurea layer has strong salt mist resistance and corrosion resistance, and the density of the material is very low.

The technology is further improved as follows: the outer sides of the first floating box and the second floating box are wrapped with rope mesh bags made of polyethylene materials. The rope net bag converts the linear force generated by the blocking net into the surface force borne by the floating body, so that the generation of concentrated force can be effectively prevented, and the service life of the buoyancy tank is greatly prolonged.

The above technology is further improved as follows: the door body arresting net is formed by weaving a complete mesh rope, and the door body arresting net and the adjacent underwater arresting net are connected together in a winding way through the mesh rope; the rope core of the mesh rope is a metal wire containing a waterproof insulating layer, and a high polymer composite fiber layer is twisted around the rope core. Therefore, the module electronic net can be formed by electrifying in the mesh rope, whether the power is off or not is monitored, if the power is off, the door body arresting net is cut off, or the door body arresting net and the adjacent underwater arresting net are cut off and separated, so that the invading frogman can be accurately positioned and identified, and the safety of important targets on the sea is ensured.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention in a closed state.

Fig. 2 is a schematic structural diagram of the first embodiment of the present invention when opened.

Fig. 3 is a schematic view of the connection between a door barrier net and an adjacent underwater barrier net according to the second embodiment of the present invention.

Reference numerals: the device comprises a counterweight anchor chain 1, a winch 2, a first buoyancy tank 3, a second buoyancy tank 4, a load block 5, a traction rope 6, an underwater arresting net 7, a door body arresting net 8 and a fluke 9. A mesh rope 10.

Detailed Description

Example one

The opening and closing door device of the underwater blocking net in the embodiment is shown in fig. 1 and 2 and comprises a first buoyancy tank 3, a second buoyancy tank 4, a traction rope 6, a door body blocking net 8 and a winch 2, wherein the first buoyancy tank 3 and the second buoyancy tank 4 are fixed through anchoring, and mooring is carried out in a three-anchor (anchor claw 9 and mooring rope) fixing mode as shown in fig. 2, so that the stability of opening and closing the door buoyancy tanks is ensured.

In order to improve the connection strength of the door body blocking net 8, two sides of the top of the door body blocking net 8 are respectively connected with the first buoyancy tank 3 and the second buoyancy tank 4. In order to improve the corrosion resistance, the surfaces of the first buoyancy tank and the second buoyancy tank are provided with a sprayed polyurea layer.

The door body arresting net 8 is provided with a plurality of weight loading blocks 5; the first buoyancy tank 3 and the second buoyancy tank 4 are fixedly connected with an underwater blocking net 8, the door body blocking net 8 is arranged between the first buoyancy tank 3 and the second buoyancy tank 4, and two sides of the door body blocking net are respectively and rapidly connected with the adjacent underwater blocking net 7 through 8-shaped buckles.

The winch 2 is installed on the first buoyancy tank 3, a plurality of traction rings (not shown in the figure) are fixedly connected to the top of the door body blocking net 8 at intervals, one end of the traction rope 6 is fixed on the second buoyancy tank 4, and the other end of the traction rope penetrates through the traction rings and then is wound on the winch 2. The length of the door body blocking net 8 is made to be L, the spacing distance between the first buoyancy tank 3 and the second buoyancy tank 4 is made to be W, and then L is larger than or equal to 1.5W, namely the actual length of the door body blocking net is more than 1.5 times of the over-navigation width, and is preferably about 2 times.

In this embodiment, the bottom of the door body arresting net 8 is provided with a counterweight anchor chain 1. The vertical state of the underwater net can be guaranteed, the bottom of the net cannot be lifted by the aid of the submarine anchor, seamless protection is formed, a frogman can be effectively prevented from passing the net after lifting the bottom of the net, delay time can be prolonged, time is won for response, and protection capacity is greatly improved. The embodiment can be further modified as follows: the outside parcel of first flotation tank 3, second flotation tank 4 has the rope pocket that the polyethylene material was made, and the face power that first, second flotation tank bore is converted into to the linear power that blocks the net production, effectively prevents the production of concentrated power, improves the life of first, second flotation tank greatly.

Example two

The embodiment is an improvement on the first embodiment, and the improvement is as follows: as shown in fig. 3, the door body arresting net 8 is woven by a complete mesh rope 10, and the door body arresting net 8 and the adjacent underwater arresting net 7 are connected together by winding a mesh rope; the rope core of the mesh rope is a metal wire containing a waterproof insulating layer, and a high polymer composite fiber layer is twisted around the rope core. Therefore, the module electronic net can be formed by electrifying in the mesh rope, whether the power is off or not is monitored, if the power is off, the door body arresting net is cut off, or the door body arresting net and the adjacent underwater arresting net are cut off and separated, so that the invading frogman can be accurately positioned and identified, and the safety of important targets on the sea is ensured. Of course, the door body arresting net and the adjacent underwater arresting net are still connected through connecting buckles such as 8-shaped buckles. The underwater arresting net can be an existing underwater arresting net or an underwater arresting net woven by a complete mesh rope 10, so that whether the underwater arresting net is invaded or not can be identified by monitoring the power-on state.

The utility model discloses be not limited to above-mentioned embodiment, the technical scheme of above-mentioned each embodiment can the cross combination form new technical scheme each other, and the technical scheme that the replacement formed is equallyd divide in addition adopted all to fall in the utility model discloses the protection within range who requires.

Claims

1. The utility model provides an open and close door gear of barrier net under water which characterized in that: the device comprises a first buoyancy tank, a second buoyancy tank, a traction rope, a door body arresting net and a winch, wherein the first buoyancy tank and the second buoyancy tank are fixed through anchoring, and a plurality of weight carrying blocks are arranged on the door body arresting net; the first floating box and the second floating box are fixedly connected with an underwater blocking net, the door body blocking net is arranged between the first floating box and the second floating box, and two sides of the door body blocking net are respectively connected with adjacent underwater blocking nets; the winch is installed on the first buoyancy tank, a plurality of traction rings are fixedly connected to the top of the door body blocking net at intervals, one end of the traction rope is fixed to the second buoyancy tank, and the other end of the traction rope penetrates through the traction rings and then is wound on the winch.

2. The opening and closing door device of an underwater barrier net according to claim 1, wherein: and two sides of the top of the door body blocking net are respectively connected with the first buoyancy tank and the second buoyancy tank.

3. The opening and closing door device of an underwater barrier net according to claim 1, wherein: and spraying polyurea layers are arranged on the surfaces of the first floating box and the second floating box.

4. The opening and closing door device of an underwater barrier net according to claim 1, wherein: the outer sides of the first floating box and the second floating box are wrapped with rope mesh bags made of polyethylene materials.

5. The opening and closing door device of an underwater barrier net according to claim 1, wherein: the door body arresting net is formed by weaving a complete mesh rope, and the door body arresting net and the adjacent underwater arresting net are connected together in a winding way through the mesh rope; the rope core of the mesh rope is a metal wire containing a waterproof insulating layer, and a high polymer composite fiber layer is twisted around the rope core.

6. The opening and closing door device of an underwater barrier net according to claim 1, wherein: and a counterweight anchor chain is arranged at the bottom of the door body arresting net.