CN212373625U - Underwater maintenance device for ship body - Google Patents

Abstract

The utility model discloses a hull is maintained device under water, including guard shield, intake pipe, outlet duct, air pump and absorption piece, the guard shield is one end open-ended tubular structure, intake pipe and outlet duct install the both sides of guard shield and with the inner chamber intercommunication of guard shield, the air pump is connected to the one end of intake pipe, absorb the sealed open end of fixing at the guard shield of piece, absorb the piece and include iron core, wire, power and absorption piece, the iron core is installed on the absorption piece, the wire winding is around the iron core, the power is connected at the both ends of wire. The utility model provides a hull is maintain device under water, the installation is dismantled conveniently, can guarantee to change the supplementary positive pole of hull and reference electrode and keep apart with water, the change of the supplementary positive pole of being convenient for and reference electrode.

Description

Underwater maintenance device for ship body

Technical Field

The utility model relates to a boats and ships maintenance technical field especially relates to a hull is maintenance device under water.

Background

When a ship sails on the sea, in order to slow down the corrosion of seawater to the ship body, the ship body is usually protected by combining a coating with an impressed current cathodic protection technology, because an auxiliary anode and a reference electrode which are adopted by the impressed current cathodic protection technology are positioned underwater, when the service lives of the auxiliary anode and the reference electrode expire or are damaged, the ship needs to enter a dock for replacement, so that the maintenance cost is increased, the efficiency of replacing the auxiliary anode and the reference electrode is low, if the auxiliary anode and the reference electrode cannot be replaced in time, the ship is corroded by seawater and is worn, and the potential safety hazard exists in the ship.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is:

when the auxiliary anode and the reference electrode are replaced by the ship, the ship needs to enter a dock, so that the maintenance cost is increased, and the efficiency of replacing the auxiliary anode and the reference electrode is slow.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hull is maintain device under water, includes guard shield, intake pipe, outlet duct, air pump and adsorbs the piece, the guard shield is one end open-ended tubular structure, the intake pipe with the outlet duct is installed the both sides of guard shield and with the inner chamber intercommunication of guard shield, the one end of intake pipe is connected the air pump, it fixes to adsorb that the piece is sealed the open end of guard shield, it includes iron core, wire, power and adsorbs the piece to adsorb the piece, the iron core is installed adsorb on the piece, the wire winding is around the iron core, the power is connected at the both ends of wire.

Further, the outer surface of guard shield is provided with the lug, the inside that the guard shield is close to the blind end is installed the level gauge, the level gauge runs through the lateral wall of guard shield extends to the outside of guard shield.

Further, an air inlet valve is mounted on the air inlet pipe.

Furthermore, an air outlet valve is mounted on the air outlet pipe.

Furthermore, the adsorption block is of a cylindrical structure with two open ends, a plurality of caulking grooves are formed in the side wall of the adsorption block along the length direction of the adsorption block, and the axial line of each caulking groove is parallel to the axial line of the adsorption block.

Furthermore, the number of the iron cores is consistent with that of the caulking grooves, the iron cores are in one-to-one correspondence, and the iron cores are embedded in the caulking grooves.

Further, the iron core and the caulking groove have eight.

Further, the material of iron core is silicon steel.

Further, the power supply is a direct current power supply.

The utility model has the advantages that:

the utility model provides a hull is maintained device under water, the open end of guard shield is installed and is adsorbed the piece, adsorbs to inlay on the piece and be equipped with the iron core, and all the winding has the wire around every iron core, and the power is connected at the both ends of wire, and the power circular telegram makes the iron core produce magnetism, can fix the guard shield on the hull, and magnetic force disappears after the outage, and the guard shield breaks away from the hull, and it is convenient to dismantle. The air inlet pipe and the air outlet pipe which are communicated with the inner cavity of the shield are installed on two sides of the shield, one end of the air inlet pipe is connected with the air pump, the air pump can ventilate the shield through the air inlet pipe, water in the shield is discharged through the air outlet pipe, the auxiliary anode and the reference electrode which are used for replacing the ship body can be guaranteed to be isolated from water, and the replacement of the auxiliary anode and the reference electrode is facilitated.

Drawings

Fig. 1 is a schematic structural view of the underwater hull maintenance device of the present invention;

FIG. 2 is a top plan view of the hull underwater maintenance device of FIG. 1;

FIG. 3 is a top view of the hull underwater maintenance device of FIG. 2 taken along line A-A;

FIG. 4 is a top view of the hull underwater maintenance device of FIG. 3 taken along line B-B;

fig. 5 is a schematic structural view of an adsorption member in the hull underwater maintenance device shown in fig. 1.

In the figure: 1. the device comprises a shield, 2, an air inlet pipe, 3, an air outlet pipe, 4, an air pump, 5, an adsorption part, 11, a lifting lug, 12, a liquid level meter, 21, an air inlet valve, 31, an air outlet valve, 51, an iron core, 52, a lead, 53, a power supply, 54, an adsorption block, 541 and a caulking groove.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1 to 5, the utility model provides a hull is maintained device under water for change the supplementary positive pole of hull bottom and reference motor or repair the hull and damage the position, the hull is maintained the device under water and is included guard shield 1, intake pipe 2, outlet duct 3, air pump 4 and absorption piece 5, and guard shield 1 is one end open-ended tubular structure, and intake pipe 2 and outlet duct 3 install in guard shield 1 both sides and with guard shield 1's inner chamber intercommunication, and air pump 4 is connected to intake pipe 2's one end, and absorption piece 5 is sealed to be fixed at guard shield 1's open end.

The outer surface of guard shield 1 is provided with lug 11, and the internally mounted that guard shield 1 is close to the closed end has level gauge 12, and level gauge 12 runs through the lateral wall of guard shield 1 and extends to the outside of guard shield 1.

An inlet valve 21 and an outlet valve 31 are respectively arranged on the inlet pipe 2 and the outlet pipe 3.

The adsorbing member 5 includes an iron core 51, a wire 52, a power supply 53 and an adsorbing block 54, the adsorbing block 54 is a cylindrical structure with two open ends, a plurality of caulking grooves 541 are formed in the side wall of the adsorbing block 54 along the length direction of the adsorbing block 54, the axial lead of the caulking grooves 541 and the axial lead of the adsorbing block 54 are arranged in parallel, the iron core 51 and the caulking grooves 541 are consistent in number and correspond to each other one by one, the iron core 51 is embedded in the caulking grooves 541, the wire 52 is wound around each iron core 51, the power supply 53 is connected at two ends of the wire 52, in the embodiment, the iron core 51 and the caulking grooves 541 have eight parts, the iron core 51 is made of silicon steel, and the power supply 53 is a direct-.

When the device is used, sealant is coated on the periphery of the adsorption piece 5 contacting with a ship body, a cable is buckled on the lifting lug 11, the shield 1 is lowered to the position close to the auxiliary anode and the reference electrode in water through the cable, the power supply 53 is turned on, direct current is introduced into the lead 52, the iron core 51 wound with the lead 52 generates magnetic force, the shield 1 is fixed on the surface of the ship body under the action of the magnetic force and the sealant, the air inlet valve 21 and the air outlet valve 31 are sequentially opened, the air pump 4 is turned on, air is injected into the shield 1, the water level in the shield 1 is observed through the liquid level meter 12, and the water in the shield, when the water in the shield 1 is not available, the air outlet valve 31, the air pump 10 and the air inlet valve 11 are closed in sequence, the air injection into the shield 6 is stopped, the auxiliary anode and the reference electrode on the ship body are replaced, the power supply 53 is closed, the conducting wire 52 is stopped being electrified, the iron core 51 is demagnetized, and the shield 1 is pulled out of the water through a cable. Similarly, when the bottom of the ship body is damaged, the damaged part of the ship body is repaired and maintained in the cabin after the protective cover 1 is covered at the damaged position.

The utility model provides a hull is maintenance device under water, the open end of guard shield 1 is installed and is adsorbed piece 54, adsorbs to inlay on the piece 54 and be equipped with iron core 51, and every iron core 51 all twines around has wire 52, and power 53 is connected at wire 52's both ends, and power 53 circular telegram makes iron core 51 produce magnetism, can fix guard shield 1 on the hull, and magnetic force disappears after the outage, and guard shield 1 breaks away from the hull, and it is convenient to dismantle. An air inlet pipe 2 and an air outlet pipe 3 which are communicated with the inner cavity of the shield 1 are arranged on two sides of the shield 1, one end of the air inlet pipe 2 is connected with an air pump 4, the air pump 4 can ventilate the shield 1 through the air inlet pipe 2, water in the shield 1 is discharged through the air outlet pipe 3, the auxiliary anode and the reference electrode which are used for replacing the ship body can be guaranteed to be isolated from water, and the auxiliary anode and the reference electrode can be replaced conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a hull is maintenance device under water, its characterized in that, includes guard shield, intake pipe, outlet duct, air pump and adsorbs the piece, the guard shield is one end open-ended tubular structure, the intake pipe with the outlet duct is installed the both sides of guard shield and with the inner chamber intercommunication of guard shield, the one end of intake pipe is connected the air pump, it fixes to adsorb a sealing the open end of guard shield, it includes iron core, wire, power and adsorbs the piece to adsorb the piece, the iron core is installed adsorb on the piece, the wire winding is around the iron core, the power is connected at the both ends of wire.

2. The underwater hull maintenance device of claim 1, wherein the shroud has a lifting lug on an outer surface thereof, and a liquid level gauge is mounted inside the shroud near the closed end and extends through a side wall of the shroud to an outside of the shroud.

3. A hull underwater maintenance device according to claim 1, characterised in that an air inlet valve is mounted on said air inlet pipe.

4. The underwater hull maintenance device of claim 1, wherein said outlet pipe is fitted with an outlet valve.

5. The underwater ship hull maintenance device according to claim 1, wherein the adsorption block is of a cylindrical structure with openings at two ends, a plurality of caulking grooves are formed in the side wall of the adsorption block along the length direction of the adsorption block, and the axial lines of the caulking grooves and the axial line of the adsorption block are arranged in parallel.

6. The underwater hull maintenance device of claim 5, wherein the number of the iron cores is consistent with that of the caulking grooves, the iron cores correspond to the caulking grooves one by one, and the iron cores are embedded in the caulking grooves.

7. A vessel hull underwater maintenance device according to claim 6, characterised in that said core and said rebates are of eight size.

8. The underwater hull maintenance device of claim 6, wherein the core is made of silicon steel.

9. A vessel hull underwater maintenance device according to claim 1, characterised in that said power source is a dc power source.

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