CN215365987U

CN215365987U - Marine fixed auxiliary anode device

Info

Publication number: CN215365987U
Application number: CN202121688519.5U
Authority: CN
Inventors: 宋世德; 袁洪涛; 吴雨; 黄一
Original assignee: Dalian University of Technology
Current assignee: Dalian University of Technology
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-31
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a fixed auxiliary anode device for a ship, which comprises: anode rod, positive pole insulating seat, electrically conductive anchorage bar, wiring cabin. The anode rod is welded with the upper end of the conductive fastening rod, the welding part of the upper end of the conductive fastening rod and the anode rod is packaged in an anode insulation seat, the lower end of the conductive fastening rod is provided with threads, the lower end of the conductive fastening rod penetrates through the bottom of the anode insulation seat, the lower end of the conductive fastening rod penetrates through the outer plate of the ship body to enter a wiring cabin, an auxiliary anode is fixed by a fastening nut in the wiring cabin, a sealing ring in a groove in the bottom of the anode insulation seat is pressed and deformed to realize the watertight mounting part, the wiring cabin is sealed by a flange cover, the side wall of the wiring cabin is provided with a lead protection tube, and the lead protection tube is communicated with the wiring cabin; the anode cable passes through the lead protective tube to enter the wiring cabin and is fixed at the lower end of the conductive fastening rod through a bolt. The utility model has simple structure; the design of the multiple sealing materials ensures that the whole device has good sealing performance and strong corrosion resistance; has the advantages of long service life and convenient installation.

Description

Marine fixed auxiliary anode device

Technical Field

The utility model relates to the field of impressed current cathodic protection, in particular to a fixed auxiliary anode device for a ship.

Background

Ships that have been long sailing in harsh marine corrosive environments often require cathodic protection to prevent corrosive damage. Among them, cathodic protection is divided into cathodic protection of impressed current and cathodic protection of sacrificial anode. The impressed current cathodic protection is more and more widely applied to corrosion control of marine vessels due to the advantages of large generated current, long service life, quick installation, low installation cost, no potential marine biological pollution hidden danger and the like.

The existing auxiliary anode device for carrying out cathode protection has complex structure and poor sealing performance, and when the auxiliary anode on a marine ship works, ClO can be generated around the auxiliary anode^-Etc., which may further exacerbate corrosion of the auxiliary anode body, leading to failure of the auxiliary anode.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixed auxiliary anode for a ship, which has the advantages of simple structure, good sealing performance, corrosion resistance and convenient installation, and specifically comprises the following components:

a stationary auxiliary anode assembly for a ship, comprising: the anode wire connecting device comprises a plurality of anode rods, a plurality of conductive fastening rods, an anode insulating seat and two wire connecting cabins;

an auxiliary anode device mounting groove is formed in the outer side wall of the hull outer plate, and a mounting hole is formed in the bottom of the auxiliary anode device mounting groove;

the anode insulating seat is arranged in the auxiliary anode device mounting groove;

the anode rod and the conductive fastening rod are fixed on the anode insulating seat, two ends of the anode rod are respectively and vertically fixed on the top of the conductive fastening rod, and the joint of the anode rod and the top of the conductive fastening rod is packaged in the anode insulating seat; the bottom of the conductive fastening rod penetrates through the bottom of the anode insulating base, penetrates through the mounting hole and then is fixed through a nut;

the inner side of the hull outer plate is also provided with a wiring cabin, and the bottom of the conductive fastening rod is arranged in the wiring cabin;

an anode cable communicated with the outside is arranged in the wiring cabin, and one end of the anode cable is connected with the conductive fastening rod;

a first sealing element is arranged between the side wall of the anode insulating seat and the side wall of the auxiliary anode device mounting groove, a second sealing element is arranged between the bottom of the anode insulating seat and the bottom surface of the auxiliary anode device mounting groove, and a third sealing element is arranged between the conductive fastening rod and the hull outer plate.

Furthermore, the anode insulating base comprises an insulating base body and supporting parts arranged at two ends of the insulating base body, one end of the conductive fastening rod is arranged in the supporting parts, and two ends of the anode rod are respectively arranged in the supporting parts at two ends.

Further, first sealing member includes first base member and second base member, second base member one end with first base member is connected perpendicularly, be provided with first arch on the first base member, the other end tip of second base member is provided with the second arch, be provided with on the insulating seat lateral wall of positive pole with the first protruding first recess that corresponds, be provided with on the insulating seat bottom surface of positive pole with the protruding second recess that corresponds of second.

Furthermore, the second sealing element is an O-shaped sealing ring, a third groove corresponding to the O-shaped sealing ring is arranged at the bottom of the anode insulating base, and the third groove is coaxial with the mounting hole.

Furthermore, the third sealing element is a T-shaped insulating sealing ring, a fourth groove corresponding to the T-shaped insulating sealing ring is arranged at the bottom of the anode insulating base, and the fourth groove is coaxial with the mounting hole.

Furthermore, the bottom of the wiring cabin is fixedly connected with the hull outer plate, and the top of the wiring cabin is fixedly connected with the flange cover.

Furthermore, a wire protection pipe is arranged on the side wall of the wiring cabin, a waterproof connector capable of being opened and closed is arranged in the wire protection pipe, and the anode cable is connected with the conductive fastening rod through the wire protection pipe.

Further, a sealing gasket is arranged between the nut and the hull outer plate.

Furthermore, the end part of one end, arranged at the wiring cabin, of the conductive fastening rod is provided with a threaded hole, and the threaded hole is coaxial with the conductive fastening rod.

Has the advantages that: according to the fixed auxiliary anode device for the ship, the two wiring cabins are designed, the conductive fastening rod is electrified, the generated current is large, the corrosion resistance is good, the installation is quick, the auxiliary anode is embedded and installed in the auxiliary anode device installation groove, the auxiliary anode can be protected from collision damage, the auxiliary anode on the ship is prevented from influencing the flow line of the ship body, and meanwhile, due to the arrangement of the plurality of sealing materials, the water tightness and the insulativity of the whole structure are very reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the external appearance of a stationary auxiliary anode apparatus according to the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1 of the stationary auxiliary anode assembly of the present invention;

FIG. 3 is an enlarged sectional view of the stationary auxiliary anode assembly of the present invention;

FIG. 4 is a view of the stationary auxiliary anode assembly of the present invention taken along line B of FIG. 1;

FIG. 5 is a cross-sectional view A-A of the stationary auxiliary anode assembly of the present invention after installation.

In the figure, 1, an anode rod; 2. an anode insulating base; 3. a conductive fastening rod; 41. a first groove; 42. a second groove; 5. a third groove; 6. a fourth groove; 7. a threaded hole; 8. a wiring cabin; 9. a hull outer plate; 10. a flange cover; 11. a gasket; 12. a nut; 13. a third seal member; 14. a lead protecting tube; 15. a first seal member; 151. a first protrusion; 152. a second protrusion; 16. an auxiliary anode device mounting groove; 17. a second seal.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention discloses a stationary auxiliary anode apparatus for a ship, comprising: 2 anode rods 1, 4 conductive fastening rods 3, an anode insulating seat 2 and a wiring cabin 8;

an auxiliary anode device mounting groove 16 is formed in the outer side wall of the hull outer plate 9, and a mounting hole is formed in the bottom of the auxiliary anode device mounting groove 16; when the auxiliary anode is installed, the anode insulating seat 2 is arranged in the auxiliary anode device installation groove 16, and the side wall of the anode insulating seat 2 is tightly attached to the side wall of the auxiliary anode device installation groove 16 after the first sealing element 15 is additionally arranged on the side wall;

the anode rod 1 and the conductive fastening rod 3 are fixed on the anode insulating base 2, and two ends of the anode rod 1 are respectively welded and fixed with the top of the conductive fastening rod 3, so that the anode rod 1 and the conductive fastening rod 3 are kept perpendicular to each other; and the welding part of the anode rod 1 and the top of the conductive fastening rod 3 is encapsulated inside the anode insulating seat 2; the bottom of the conductive fastening rod 3 penetrates through the bottom of the anode insulating base 2, and the conductive fastening rod 3 penetrates through the mounting hole and then is fixed with the ship outer plate 9 through a nut 12; as shown in figures 1 and 2.

The anode insulating seat 2 comprises an insulating seat body 22 and supporting parts 21 arranged at two ends of the insulating seat body 22, one end of the conductive fastening rod 3 is arranged in the supporting parts 21, and two ends of the anode rod 1 are respectively arranged in the supporting parts 21 at two ends. The anode insulating base 2 is made of FRP (fiber reinforced Plastic) materials or rubber materials, so that the high strength and the corrosion resistance of the anode insulating base 2 can be ensured.

Preferably, the anode rod 1 has a cylindrical structure, and can be tubular or rod-shaped; the base material of the anode rod 1 is any one of titanium, platinum or niobium, and the surface coating thereof is any one of an MMO coating or a platinum coating.

The inner side of the hull outer plate 9 is also provided with a wiring cabin 8, and the bottom of the conductive fastening rod 3 is arranged in the wiring cabin 8; an anode cable communicated with the outside is arranged in the wiring cabin 8, and one end of the anode cable is connected with the conductive fastening rod 3; the bottom of the wiring cabin 8 is fixedly connected with the hull outer plate 9, and the top of the wiring cabin 8 is fixedly connected with the flange cover 10. The side wall of the wiring cabin 8 is provided with a lead protection tube 14, a waterproof connector capable of being opened and closed is arranged in the lead protection tube 14, and after the anode cable penetrates through the lead protection tube 14, the waterproof connector is closed and screwed down to ensure the sealing performance of the wiring cabin 8. The anode cable is connected with the conductive fastening rod 3 through the lead wire protective tube 14.

Preferably, the bottom end face of the conductive fastening rod 3 is provided with a threaded hole 7 coaxial with the conductive fastening rod 3 to fixedly connect to the anode cable of the conductive fastening rod 3; the bottom side wall of the conductive fastening rod 3 is provided with an external thread which is in threaded connection with a nut 12 so as to fix the anode insulating base 2; a gasket 11 is arranged between the nut 12 and the hull plate 9 to realize insulation and sealing between the nut 12 and the hull plate 9.

When the auxiliary anode is installed, a first sealing element 15 is arranged between the side wall of the anode insulating base 2 and the side wall of the auxiliary anode device installation groove 16, a second sealing element 17 is arranged between the bottom of the anode insulating base 2 and the bottom surface of the auxiliary anode device installation groove 16, and a third sealing element 13 is arranged between the conductive fastening rod 3 and the hull outer plate 9, as shown in fig. 5.

As shown in fig. 3 and 4, the first sealing member 15 includes a first base 153 and a second base, one end of the second base 154 is perpendicularly connected to the first base 153, a first protrusion 151 is disposed on the first base 153, a second protrusion 152 is disposed at an end of the other end of the second base 154, a first groove 41 corresponding to the first protrusion 151 is disposed on a side wall of the anode insulating base 2, and a second groove 42 corresponding to the second protrusion 152 is disposed on a bottom surface of the anode insulating base 2, so as to achieve insulation and sealing between the anode insulating base 2 and the hull outer plate 9.

The second sealing element 17 is an O-shaped sealing ring, a third groove 5 corresponding to the O-shaped sealing ring is arranged at the bottom of the anode insulating base 2, and the third groove 5 is coaxial with the mounting hole, so as to realize the sealing between the anode insulating base 2 and the hull outer plate 9;

the third sealing element 13 is a T-shaped insulating sealing ring, a fourth groove 6 corresponding to the T-shaped insulating sealing ring is arranged at the bottom of the anode insulating seat 2, and the fourth groove 6 is coaxial with the mounting hole so as to realize insulation and sealing between the conductive fastening rod 3 and the hull outer plate 9.

Preferably, after the anode insulating seat 2, the conductive fastening rod 3 and the hull plate 9 are filled with the plurality of sealing materials, the sealing materials at a plurality of positions are deformed by the pressure between the anode insulating seat 2 and the hull plate 9, so that the auxiliary anode can be sealed in multiple water-tightness at the installation position.

Preferably, two wiring compartments 8 are provided on both sides of one anode rod 1, and the conductive fastening rod 3 in the wiring compartment 8 on one side or both sides is connected with a cable as required in actual use. The double-cabin wiring can achieve the performance of high power supply reliability, low loop resistance and uniform anode current release.

Specifically, in this embodiment, after the conductive fastening rod and the anode are welded, the welded whole is placed in a mold, so as to integrally form the anode insulating base by casting. During the installation with the whole embedding of positive pole insulating seat set up in the mounting groove on the hull planking, electrically conductive anchorage bar passes the through-hole of predetermineeing on the hull planking and gos deep into the wiring cabin simultaneously, carries out fastening connection with positive pole insulating seat and hull planking with the nut, installs a plurality of sealing materials at the junction between positive pole insulating seat, electrically conductive anchorage bar and the hull planking simultaneously, guarantees holistic insulating nature and water proofness through multiple sealing. The positive pole cable gets into the wiring cabin inside back through the wire pillar that sets up on the wiring cabin, closes the water joint in the wire pillar to realize the airtight of wiring cabin, the positive pole cable is fixed through the screw hole that sets up on electrically conductive anchorage bar simultaneously, in order to realize the circular telegram to the positive pole.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A stationary auxiliary anode device for a ship, comprising: a plurality of anode rods (1), a plurality of conductive fastening rods (3), an anode insulating seat (2) and two wiring cabins (8);

an auxiliary anode device mounting groove (16) is formed in the outer side wall of the hull outer plate (9), and a mounting hole is formed in the bottom of the auxiliary anode device mounting groove (16);

the anode insulating seat (2) is arranged in the auxiliary anode device mounting groove (16);

the anode rod (1) and the conductive fastening rod (3) are fixed on the anode insulating seat (2), two ends of the anode rod (1) are respectively fixed on the top of the conductive fastening rod (3), and the joint of the anode rod (1) and the top of the conductive fastening rod (3) is packaged inside the anode insulating seat (2); the bottom of the conductive fastening rod (3) penetrates through the bottom of the anode insulating base (2), penetrates through the mounting hole and then is fixedly connected with the ship outer plate (9) through a nut (12);

a wiring cabin (8) is further arranged on the inner side of the hull outer plate (9), and the bottom of the conductive fastening rod (3) is arranged in the wiring cabin (8);

an anode cable communicated with the outside is arranged in the wiring cabin (8), and one end of the anode cable is connected with the conductive fastening rod (3);

be equipped with first sealing member (15) between the lateral wall of the insulating seat of positive pole (2) and the lateral wall of auxiliary anode device mounting groove (16), the bottom of the insulating seat of positive pole (2) with be equipped with second sealing member (17) between the bottom surface of auxiliary anode device mounting groove (16), electrically conductive anchorage bar (3) with be equipped with third sealing member (13) between hull planking (9).

2. A stationary auxiliary anode assembly for ships according to claim 1, wherein the anode insulator base (2) comprises an insulator base body (22) and support portions (21) disposed at both ends of the insulator base body (22), and one end of the conductive fastening rod (3) is disposed in the support portion (21) and is fixedly connected to one end of the anode rod (1).

3. The marine fixed auxiliary anode device according to claim 1, wherein the first sealing member (15) comprises a first base body (153) and a second base body, one end of the second base body (154) is perpendicularly connected with the first base body (153), a first protrusion (151) is arranged on the first base body (153), a second protrusion (152) is arranged at the other end of the second base body (154), a first groove (41) corresponding to the first protrusion (151) is arranged on the side wall of the anode insulating base (2), and a second groove (42) corresponding to the second protrusion (152) is arranged on the bottom surface of the anode insulating base (2).

4. A stationary auxiliary anode device for ships according to claim 1, characterized in that the second sealing member (17) is an O-ring, and the bottom of the anode insulating base (2) is provided with a third groove (5) corresponding to the O-ring, and the third groove (5) is coaxial with the mounting hole.

5. A stationary auxiliary anode device for a ship according to claim 1, wherein the third sealing member (13) is a T-shaped insulating sealing ring, the bottom of the anode insulating base (2) is provided with a fourth groove (6) corresponding to the T-shaped insulating sealing ring, and the fourth groove (6) is coaxial with the mounting hole.

6. A stationary auxiliary anode device for ships according to claim 1, wherein the bottom of the wiring compartment (8) is fixedly connected with the hull plate (9), and the top of the wiring compartment (8) is fixedly connected with the flange cover (10).

7. A stationary auxiliary anode device for a ship according to claim 1, wherein a wire protective tube (14) is provided on the side wall of the wire connection cabin (8), a waterproof joint capable of being opened and closed is provided in the wire protective tube (14), and the anode cable is connected with the conductive fastening rod (3) through the wire protective tube (14).

8. A stationary auxiliary anode arrangement for ships according to claim 1, characterized in that a sealing gasket (11) is arranged between the nut (12) and the hull plate (9).

9. A stationary auxiliary anode arrangement for ships according to claim 1, characterized in that the end of the electrically conductive fastening rod (3) placed at the end of the wire connection compartment (8) is provided with a threaded hole (7) which is coaxial with the electrically conductive fastening rod (3).