CN213295516U

CN213295516U - Cathode protection device for ship

Info

Publication number: CN213295516U
Application number: CN202022004367.4U
Authority: CN
Inventors: 王露锋
Original assignee: Ningbo Beilun Antuo Metal Products Co ltd
Current assignee: Ningbo Beilun Antuo Metal Products Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-28
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the technical field of the cathodic protection technique and specifically relates to a cathodic protection device for boats and ships is disclosed, including positive pole bed, positive pole seat and positive pole body, the positive pole bed is the open hollow frame structure in bottom, the outside terminal box that extends in positive pole bed top center, fixed connection in the positive pole bed the positive pole seat, fixed connection in the positive pole seat the positive pole body, positive pole seat top center vertically runs through and is provided with the conducting rod, the conducting rod top runs through positive pole bed top and extend to in the terminal box. The utility model provides a cathode protection device for ship improves the structure of the sealing component and the box cover, thereby tightening the sealing of the junction box to the external power line and the sealing between the side wall of the junction box and the box cover, and further improving the sealing effect; be equipped with adjusting part for the conducting rod lower extreme has certain flexible space, thereby makes this device surface and the boats and ships bottom surface of mounted position department suit.

Description

Cathode protection device for ship

Technical Field

The utility model relates to a cathodic protection technical field especially relates to a cathodic protection device for boats and ships.

Background

The ship body and the steel structure in the marine environment have serious electrochemical corrosion in a seawater medium, and certain corrosion protection measures need to be taken. The coating protection technology uses a coating to form a film on the surface of a protected member to play a role in corrosion protection, but certain corrosion influence still exists due to the influence of the integrity of the film-forming coating, such as coating defects, collision damage, aging, coating capillary pore penetration and the like, so that the safety of a ship body, a steel structure and the like is endangered, and the subsequent maintenance cost is influenced. Common safeguards are cathodic protection, which includes methods including sacrificial anode and Impressed Current Cathodic Protection (ICCP).

As in application No.: CN201821494803.7 patent, which discloses a sealing installation mechanism of a cathode protection system for a ship, an anode bed, which is a cavity frame structure with an open bottom, the outer side wall of the anode bed is fixed with a steel plate at the bottom of the ship, an anode seat is installed in the frame structure of the anode bed, the anode seat is a cavity frame structure with an open bottom, and an anode body is installed at the bottom of the anode seat; the junction box extends outwards and is arranged in the center of the top of the anode bed, and the opening end of the junction box is sealed by a flange plate; a through hole penetrates through the center of the flange plate, a threaded connector extends outwards from the upper end of the through hole, and a pressing nut is connected to the threaded connector in a threaded manner; and the conductive rod longitudinally sequentially penetrates through the anode bed and the center of the top of the anode seat, the top of the conductive rod extends into the junction box, and the bottom of the conductive rod extends into the cavity of the anode seat and is in conductive connection with the center of the top of the anode body. The utility model effectively solves the technical problem that the anode device has insufficient waterproof performance.

Based on the pairs as application number: the search of the CN201821494803.7 patent, which has solved the problem of waterproof performance, has the following disadvantages: firstly, the sealing structure of the junction box is simple, and the sealing effect is poor; secondly, when the cover plate is sealed, only a single-layer sealing method can be adopted for sealing, and the effect is poor.

To the above problem, the utility model provides a cathodic protection device for boats and ships.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the problem of providing a cathode protection device for ships, which improves the structures of a sealing component and a box cover, thereby tightening the sealing effect of a junction box on an external power line, tightening the sealing between the side wall of the junction box and the box cover, further improving the sealing effect and solving the problem of poor sealing effect; be equipped with adjusting part for the conducting rod lower extreme has certain flexible space, thereby makes this device surface and the boats and ships bottom surface of mounted position department suit.

The utility model discloses avoid the technical scheme that above-mentioned technical problem adopted to be: the utility model provides a cathodic protection device for boats and ships, includes positive pole bed, positive pole seat and positive pole body, the positive pole bed is the open hollow frame structure in bottom, the outside terminal box that extends in positive pole bed top center, positive pole bed internal fixation connects the positive pole seat, positive pole seat internal fixation connects the positive pole body, positive pole seat top center vertically runs through and is provided with the conducting rod, the conducting rod top runs through positive pole bed top and extend to in the terminal box, the conducting rod is vertically scalable, the conducting rod bottom is provided with adjusting part, adjusting part is located the positive pole body with between the positive pole seat.

A box cover is mounted at the upper end of the junction box, a through hole penetrates through the middle of the upper end of the box cover, a threaded connector extends outwards from the upper end of the through hole, a press nut is connected to the outer wall of the threaded connector in a threaded manner, a rubber ring is arranged between the upper end face of the threaded connector and the lower end face of the press nut, and the inner diameter of the rubber ring is smaller than that of the press nut; and a sealing component is arranged at the upper end of the pressing nut.

The sealing assembly comprises a fixing column fixed on the upper end surface of the pressing nut, an outer annular groove is formed in the side wall of the fixing column, an external thread is arranged on the outer annular groove, and an external nut is connected to the outer annular groove in a threaded mode; a first inner groove and a second inner groove are arranged in the fixed column, a fixed block is arranged in the first inner groove, the second inner groove extends to the outside of the outer ring groove, rubber rings are movably connected in the first inner groove and the second inner groove, one end of each rubber ring, which is positioned in the first inner groove, is connected with the fixed block, one end of each rubber ring, which is positioned in the second inner groove, is connected with a pull rope, and the pull rope penetrates through the second inner groove and is connected with the outer nut; and a rubber rope is sleeved outside the rubber ring.

Preferably, the conducting rod is a telescopic rod which can stretch along the length direction of the conducting rod, an adjusting component is arranged at the bottom of the conducting rod and is positioned between the anode body and the anode seat, and the bottom of the conducting rod extends into the cavity of the anode seat and is in conductive connection with the center of the top of the anode body.

Preferably, the adjusting assembly comprises a groove arranged on the lower end face of the anode seat, the groove is symmetrically arranged on two sides of the conducting rod, and a rubber pad is arranged outside the groove and close to the conducting rod.

Preferably, an inner rod is fixedly connected to the upper end face of the groove, an adjusting cylinder is connected to the outer side of the inner rod in a sliding mode, an adjusting spring is connected between the inner wall of the adjusting cylinder and the inner rod, and the lower end of the adjusting cylinder is connected with the anode body.

Preferably, the box cover comprises an inner ring and an outer ring, a sealing ring is fixed between the inner ring and the outer ring, the inner ring and the outer ring are clamped with the side wall of the junction box, the outer wall of the junction box and the outer ring are provided with screw holes communicated with each other, and the screw holes are connected with bolts in an internal thread mode.

Preferably, the upper end of the conductive rod is provided with a conductive connecting piece, the conductive connecting piece is positioned in the junction box, and an external power line penetrates through the rubber ring, the rubber ring and the through hole to be connected with the conductive connecting piece.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model provides a cathode protection device for ship, improves the structure of seal assembly and box cover, thus the seal of terminal box to external power line and the seal between the side wall of terminal box and box cover are tightened, further improving the sealing effect; be equipped with adjusting part for the conducting rod lower extreme has certain flexible space, thereby makes this device surface and the boats and ships bottom surface of mounted position department suit.

2. The utility model provides a cathode protection device for ship, wherein rubber ring, press-fit nut and screw thread interface cooperate, make the top of screw thread interface and press-fit nut lower end face extrude the rubber ring together, play the seal between screw thread interface and press-fit nut; in addition, the rubber ring, the through hole, the rubber rope and the external nut are matched, so that when the rubber rope is contracted, the rubber ring is driven to be contracted towards the middle, the external power line is hooped, and the sealing effect of the junction box on the external power line is enhanced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;

fig. 3 is a partially enlarged schematic view of the utility model at the position B in fig. 1;

fig. 4 is a partially enlarged schematic view of the point C in fig. 1 according to the present invention.

Wherein: the anode comprises an anode bed 1, an anode seat 2, an anode body 3, a junction box 4, a box cover 41, a through hole 42, a threaded interface 43, a press nut 44, a rubber ring 45, an inner ring 46, an outer ring 47, a sealing ring 48, a bolt 49, a conductive rod 5, a conductive connecting piece 50, an adjusting component 6, a groove 61, a rubber pad 62, an inner rod 63, an adjusting cylinder 64, an adjusting spring 65, a sealing component 7, a fixing column 71, an outer ring groove 72, an outer nut 73, a first inner groove 74, a second inner groove 75, a fixing block 76, a rubber ring 77, a pull rope 78 and a rubber rope 79.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-4, a cathode protection device for a ship comprises an anode bed 1, an anode seat 2 and an anode body 3, wherein the anode bed 1 is of a hollow frame structure with an open bottom, a junction box 4 extends outwards from the center of the top of the anode bed 1, the anode seat 2 is fixedly connected in the anode bed 1, the anode body 3 is fixedly connected in the anode seat 2, the upper surface of the top of the anode seat 2 is of a planar structure and is attached to the lower surface of the top of the anode bed 1, the outer side wall of the anode seat 2 is attached to the inner side wall of the anode bed 1, a sealing ring 48 is arranged between the outer side wall of the anode seat 2 and the inner side wall of the anode bed 1, a groove 61 is formed in the lower part of the inner side wall of the; the anode bed 1 is made of an insulating rigid material, for example, an insulating ceramic material, a plurality of installation cavities are usually formed in a steel plate at the bottom of the ship, and the whole anode device is fixed with the inner side wall of the installation cavity through the outer side wall of the anode bed 1.

Referring to fig. 2, the junction box 4 is a hollow cylindrical structure, a box cover 41 is installed at the upper end of the junction box 4, a through hole 42 penetrates through the middle of the upper end of the box cover 41, a threaded connector 43 extends outwards from the upper end of the through hole 42, the threaded connector 43 and the junction box 4 are integrally formed, the outer wall of the threaded connector 43 is in threaded connection with a press nut 44, a rubber ring 45 is arranged between the upper end face of the threaded connector 43 and the lower end face of the press nut 44, and the inner diameter of the rubber ring 45 is smaller than the inner diameter of the press nut 44 and smaller than; the upper end of the pressing nut 44 is provided with a sealing component 7.

The sealing assembly 7 comprises a fixing column 71 fixed on the upper end surface of the press nut 44, the side wall of the fixing column 71 is provided with an outer ring groove 72, the outer ring groove 72 is provided with an external thread, and the external nut 73 is connected with the outer ring groove 72 in a threaded manner; a first inner groove 74 and a second inner groove 75 are arranged in the fixed column 71, the first inner groove 74 is positioned at the lower end of the second inner groove 75, and the first inner groove 74 and the second inner groove 75 extend to the inner surface of the fixed column 71; a fixed block 76 is arranged in the first inner groove 74, the second inner groove 75 extends to the outside of the outer ring groove 72, a rubber ring 77 is movably connected in the first inner groove 74 and the second inner groove 75, one end of the rubber ring 77, which is positioned in the first inner groove 74, is connected with the fixed block 76, one end of the rubber ring 77, which is positioned in the second inner groove 75, is connected with a pull rope 78, and the pull rope 78 passes through the second inner groove 75 and is connected with the outer nut 73; the rubber band 77 is sleeved with a rubber rope 79, the rubber rope 79 is located between the first inner groove 74 and the second inner groove 75, and under the action of the rubber rope 79 and the pull rope 78, the pull rope 78 has a drawing effect on the rubber band 77.

The center of the top of the anode seat 2 longitudinally penetrates through a conductive rod 5, the top of the conductive rod 5 penetrates through the top of the anode bed 1 and extends into the junction box 4, the conductive rod 5 is longitudinally telescopic, the bottom of the conductive rod 5 is provided with an adjusting component 6, and the adjusting component 6 is positioned between the anode body 3 and the anode seat 2.

The upper end of the conducting rod 5 is provided with a conducting connecting piece 50, the conducting connecting piece 50 is positioned in the junction box 4, an external power line passes through the rubber ring 77, the rubber ring 45 and the through hole 42 to be connected with the conducting connecting piece 50, and the rubber ring 77, the rubber ring 45, the threaded interface 43 and the through hole 42 are coaxial.

During specific work, after the external power line penetrates through the rubber ring 77, the rubber ring 45 and the through hole 42, the press-fit nut 44 is screwed at the threaded interface 43, so that the rubber ring 45 is extruded by the top of the threaded interface 43 and the lower end face of the press-fit nut 44 together to seal the threaded interface 43 and the press-fit nut 44, then the outer nut 73 is rotated to a proper position, the drawing effect of the outer nut 73 on the rubber ring 77 is released, in the releasing process, the rubber ring 77 is driven to shrink towards the middle when the rubber rope 79 is shrunk, and the external power line is tightened, so that the sealing effect of the junction box 4 on the external power line is tightened.

Referring to fig. 3, the box cover 41 includes an inner ring 46 and an outer ring 47, the outer ring 47 and the box cover 41 are integrally formed, a sealing ring 48 is fixed between the inner ring 46 and the outer ring 47, the side wall of the junction box 4 is clamped between the inner ring 46 and the outer ring 47, screw holes communicated with each other are formed in the outer wall of the junction box 4 and the outer ring 47, and bolts 49 are connected to the screw holes in an inner thread manner.

When the box cover 41 is fixed on the outer wall of the wiring through the bolt 49 in specific work, the side wall of the junction box 4 is clamped between the inner ring 46 and the outer ring 47, the side wall of the junction box 4 extrudes the sealing ring 48, so that the sealing ring 48 is in contact with the upper end faces of the inner ring 46, the outer ring 47 and the side wall of the junction box 4, sealing between the side wall of the junction box 4 and the box cover 41 is tightened, the sealing effect is further improved, and the reliability and the service life of the device are improved.

The conducting rod 5 is a telescopic rod which can stretch along the length direction of the conducting rod, the bottom of the conducting rod 5 is provided with an adjusting component 6, the adjusting component 6 is positioned between the anode body 3 and the anode seat 2, and the bottom of the conducting rod 5 extends into the cavity of the anode seat 2 and is in conductive connection with the top center of the anode body 3.

Referring to fig. 4, the adjusting assembly 6 includes a groove 61 disposed on the lower end surface of the anode seat 2, the grooves 61 are symmetrically disposed on two sides of the conducting rod 5, and a rubber pad 62 is disposed inside the groove 61 and near the conducting rod 5.

An inner rod 63 is fixedly connected to the upper end face of the groove 61, an adjusting cylinder 64 is connected to the outer portion of the inner rod 63 in a sliding mode, an adjusting spring 65 is connected between the inner wall of the adjusting cylinder 64 and the inner rod 63, and the lower end of the adjusting cylinder 64 is connected with the anode body 3.

When the device is in specific work, when the whole stress of the device is applied, the conductive rod 5 and the insulator are pressed through the adjusting spring 65, so that the lower end of the conductive rod 5 is provided with a certain telescopic space, and the outer surface of the device is adapted to the outer surface of the bottom of the ship at the installation position.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cathodic protection device for boats and ships, includes positive pole bed (1), positive pole seat (2) and positive pole body (3), positive pole bed (1) is the open hollow frame structure in bottom, the outside extension in positive pole bed (1) top center has terminal box (4), positive pole bed (1) internal fixation connects positive pole seat (2), positive pole seat (2) internal fixation connects positive pole body (3), its characterized in that: a conductive rod (5) longitudinally penetrates through the center of the top of the anode seat (2), the top of the conductive rod (5) penetrates through the top of the anode bed (1) and extends into the junction box (4), the conductive rod (5) is longitudinally telescopic, an adjusting component (6) is arranged at the bottom of the conductive rod (5), and the adjusting component (6) is positioned between the anode body (3) and the anode seat (2);

a box cover (41) is installed at the upper end of the junction box (4), a through hole (42) penetrates through the middle of the upper end of the box cover (41), a threaded connector (43) extends outwards from the upper end of the through hole (42), a press nut (44) is connected to the outer wall of the threaded connector (43) in a threaded manner, a rubber ring (45) is arranged between the upper end face of the threaded connector (43) and the lower end face of the press nut (44), and the inner diameter of the rubber ring (45) is smaller than that of the press nut (44); the upper end of the pressing nut (44) is provided with a sealing component (7);

the sealing assembly (7) comprises a fixing column (71) fixed on the upper end face of the press nut (44), an outer ring groove (72) is formed in the side wall of the fixing column (71), an external thread is arranged on the outer ring groove (72), and the outer ring groove (72) is in threaded connection with an external nut (73); a first inner groove (74) and a second inner groove (75) are arranged in the fixing column (71), a fixing block (76) is arranged in the first inner groove (74), the second inner groove (75) extends to the outside of the outer ring groove (72), a rubber ring (77) is movably connected in the first inner groove (74) and the second inner groove (75), one end, positioned in the first inner groove (74), of the rubber ring (77) is connected with the fixing block (76), one end, positioned in the second inner groove (75), of the rubber ring (77) is connected with a pull rope (78), and the pull rope (78) penetrates through the second inner groove (75) and is connected with the outer nut (73); and a rubber rope (79) is sleeved outside the rubber ring (77).

2. The cathodic protection device for a marine vessel as set forth in claim 1, wherein: the conducting rod (5) is a telescopic rod which can stretch along the length direction of the conducting rod, and the bottom of the conducting rod (5) extends into the cavity of the anode seat (2) and is in conductive connection with the center of the top of the anode body (3).

3. The cathodic protection device for a marine vessel as set forth in claim 1, wherein: adjusting part (6) are including setting up recess (61) of terminal surface under anode seat (2), recess (61) symmetry sets up the both sides of conducting rod (5), be close to in recess (61) the external rubber pad (62) that is provided with of conducting rod (5).

4. A cathodic protection device for a marine vessel as defined in claim 3, wherein: interior pole (63) of recess (61) up end fixedly connected with, interior pole (63) outer sliding connection has an adjusting cylinder (64), adjusting cylinder (64) inner wall with be connected with between interior pole (63) adjusting spring (65), the lower extreme of adjusting cylinder (64) with the positive pole body (3) are connected.

5. The cathodic protection device for a marine vessel as set forth in claim 1, wherein: the box cover (41) comprises an inner ring (46) and an outer ring (47), a sealing ring (48) is fixed between the inner ring (46) and the outer ring (47), the inner ring (46) and the outer ring (47) are connected in a clamped mode the side wall of the junction box (4), the outer wall of the junction box (4) and the outer ring (47) are provided with screw holes communicated with each other, and the screw holes are connected with bolts (49) in an inner threaded mode.

6. The cathodic protection device for a marine vessel as set forth in claim 2, wherein: the upper end of the conducting rod (5) is provided with a conducting connecting piece (50), the conducting connecting piece (50) is positioned in the junction box (4), and an external power line penetrates through the rubber ring (77), the rubber ring (45) and the through hole (42) to be connected with the conducting connecting piece (50).