CN-224227223-U - Suspension type auxiliary anode device suitable for steel structure

CN224227223UCN 224227223 UCN224227223 UCN 224227223UCN-224227223-U

Abstract

The utility model discloses a suspended auxiliary anode device suitable for the inside of a steel structure, which belongs to the technical field of corrosion protection of metal facilities and comprises an anode main body, a cable, a conductive structure, a counterweight structure, a first sealing structure and a second sealing structure, wherein the anode main body is a hollow shell, the cable, the conductive structure, the counterweight structure and the first sealing structure are all arranged in the hollow shell, and the anode main body and the cable are electrically connected through the conductive structure. The first sealing structure which is fixed on the cable in a crimping way is arranged at the two ends of the cavity of the anode main body and the cable, and the second sealing structure is arranged at the two ends of the outside of the anode main body in a crimping way. The double-seal structure realizes reliable electric connection and high-efficiency watertight sealing, ensures sealing stability and current transmission reliability in an underwater high-pressure environment, improves structural durability, is suitable for scenes such as ocean engineering, storage tanks and the like, and the counterweight structure counteracts buoyancy in water, ensures vertical suspension posture, ensures uniform distribution of cathode protection current and improves the protection effect on a protected steel structure.

Inventors

FENG JIAQUAN
YANG BO
LIU LEI
XU WEIWEI
HAN YANQING
ZHU DONGXU
WANG CHAO
REN XIAOJUN
LI XIAODONG
ZHANG RENLONG
QIN TIENAN

Assignees

大连科迈尔海洋科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260403

Claims (8)

1. A suspended auxiliary anode device suitable for the inside of a steel structure, which is characterized by comprising an anode main body (1), a cable (2), a conductive structure (3), a counterweight structure (4), a first sealing structure (5) and a second sealing structure (6); The anode main body (1) is of a hollow shell structure, the cable (2), the conductive structure (3), the counterweight structure (4) and the first sealing structure (5) are all arranged in the anode main body (1), and the anode main body (1) and the cable (2) are electrically connected through the conductive structure (3) arranged in the anode main body (1); The first sealing structures (5) are fixed at two ends of a cavity between the anode main body (1) and the cable (2), the first sealing structures (5) are fixedly connected to the outside of the cable (2) in a pressure welding mode, and the first sealing structures (5) and the conductive structures (3) are matched to form composite sealing at two ends of the inside of the anode main body (1); The second sealing structures (6) are crimped at the two ends of the outside of the anode main body (1) and are used for sealing the end parts of the outside of the anode main body (1).
2. The suspended auxiliary anode device suitable for the inside of a steel structure according to claim 1, wherein the conductive structure (3) is positioned at two ends in a cavity between the anode main body (1) and the cable (2), the conductive structure (3) is pressed on the outer side of the cable (2), and the conductive structure (3) is a copper block.
3. The suspended auxiliary anode device suitable for the inside of a steel structure according to claim 2, wherein the first sealing structure (5) is a rubber sealing plug, the rubber sealing plugs are arranged at two ends of the inside of the anode main body (1) in a crimping manner, and the two rubber sealing plugs are respectively and tightly attached to two sides of the conductive structure (3).
4. A suspended auxiliary anode device suitable for use inside a steel structure according to claim 1, characterized in that the second sealing structure (6) comprises a protective sleeve (61) and a heat shrink tube (62); The protection sleeve (61) is sleeved and fixed at two ends of the anode main body (1), the protection sleeve (61) covers the position, corresponding to the first sealing structure (5), of the outer side of the anode main body (1), and the heat shrinkage tube (62) is coated at the joint of the protection sleeve (61) and the cable (2) and the joint of the protection sleeve (61) and the anode main body (1).
5. Suspended auxiliary anode device suitable for the inside of steel structures according to claim 1, characterized in that the counterweight structure (4) is placed in the cavity between the anode body (1) and the cable (2) and between two of the first sealing structures (5); The counterweight structure (4) is spiral, and the spiral counterweight structure (4) is wound on the cable (2).
6. Suspended auxiliary anode device suitable for use inside a steel structure according to claim 1, characterized in that the anode body (1) is externally coated with a metal coating.
7. Suspended auxiliary anode device suitable for use inside a steel structure according to claim 1, characterized in that the counterweight structure (4) is of metallic material.
8. A suspended auxiliary anode device suitable for use in a steel structure according to claim 3, characterised in that the rubber sealing plugs are cold-pressed at both ends of the inside of the anode body (1); The conductive structure (3) is arranged on the outer side of the cable (2) in a cold pressing mode.

Description

Suspension type auxiliary anode device suitable for steel structure Technical Field The utility model relates to the technical field of corrosion protection of metal facilities, in particular to a suspension type auxiliary anode device suitable for the inside of a steel structure. Background The suspended auxiliary anode device is key electrochemical protection equipment for corrosion prevention in a protected steel structure in the fields of ocean engineering, petrochemical storage tanks, sewage treatment plants and the like, and mainly comprises an anode main body, a conductive structure, a sealing structure, a counterweight structure, a cable and other parts, and can be arranged in an underwater immersed area or a closed space in the protected steel structure in a suspended mode. The cathode protection current is continuously released through the anode main body, cathode polarization treatment is carried out on the protected structure, the corrosion reaction of the protected steel structure is inhibited, the corrosion rate is delayed, and the service life of the protected structure is prolonged. Compared with the traditional corrosion prevention modes such as brushing a corrosion prevention coating, a fixed anode and the like, the device has the advantages of strong adaptability, wide protection range and flexible construction, is particularly suitable for complex working conditions such as the inner closed space of a protected steel structure, the underwater deep area and the like, which have large construction difficulty and poor protection effect in the conventional corrosion prevention mode, and can effectively solve the corrosion prevention problem of the area. However, the existing suspension type auxiliary anode devices on the market still have a plurality of defects, and it is difficult to meet the high standard requirements of practical engineering application. In addition, the traditional suspension type anode has the problem of unstable posture, is easy to incline and shift, causes uneven distribution of cathodic protection current and even causes protection failure. Disclosure of utility model The present utility model provides a suspended auxiliary anode device suitable for use inside a steel structure to overcome the above-mentioned problems. In order to achieve the above object, the technical scheme of the present utility model is as follows: A suspended auxiliary anode device suitable for the inside of a steel structure comprises an anode main body, a cable, a conductive structure, a counterweight structure, a first sealing structure and a second sealing structure; The anode main body is of a hollow shell structure, the cable, the conductive structure, the counterweight structure and the first sealing structure are all arranged in the anode main body, and the anode main body and the cable are electrically connected through the conductive structure arranged in the anode main body; The first sealing structures are fixed at two ends of a cavity between the anode main body and the cable and are fixedly pressed and connected to the outside of the cable, and the first sealing structures and the conductive structures are matched to form composite sealing at two ends of the inside of the anode main body; the second sealing structures are crimped at the two ends of the outer part of the anode main body and are used for sealing the outer end part of the anode main body. Further, the conductive structures are positioned at two ends in the cavity between the anode main body and the cable and are in pressure connection with the outer side of the cable, and the conductive structures are copper blocks. Further, the first sealing structure is a rubber sealing plug, the rubber sealing plug is installed at two ends of the inside of the anode main body in a crimping mode, and the two rubber sealing plugs are respectively and tightly attached to two sides of the conductive structure. Further, the second sealing structure comprises a protective sleeve and a heat shrinkage tube; The protective sleeve is sleeved and fixed at two ends of the anode main body, the protective sleeve covers the outer side of the anode main body at a position corresponding to the first sealing structure, and the heat shrinkage pipe is coated at the joint of the protective sleeve and the cable and the joint of the protective sleeve and the anode main body. Further, the counterweight structure is disposed within a cavity between the anode body and the cable, and is disposed between the two first sealing structures; the counterweight structure is spiral, and the counterweight structure is wound on the cable. Further, the anode body is externally coated with a metal plating layer. Further, the counterweight structure is made of metal materials. Further, the rubber sealing plugs are arranged at two ends of the inside of the anode main body in a cold pressing mode; the conductive structure is arranged on the outer side of the cable in a co