Sacrificial anode potential testing device

Abstract

The utility model discloses a sacrificial anode potential testing device which comprises a sacrificial anode block, a steel core is fixedly arranged at one end of the sacrificial anode block, and a first sleeve is arranged on the outer side of the steel core. One end of the second sleeve is provided with a hole for the cable to pass through, the other end of the second sleeve is an open end and is sleeved outside the first sleeve in a threaded manner, and the joint of the cable and the steel core is covered and protected by the second sleeve; a sealing assembly is arranged at the position, corresponding to the cable penetrating position, of the second sleeve, and the sealing assembly seals a gap between the second sleeve and the cable. According to the utility model, the connection part of the cable and the steel core is covered and protected through the second sleeve; water and other corrosive substances can be effectively prevented from invading, so that the corrosion risk of the steel core is reduced, and the service life of the steel core is prolonged; moreover, the influence of environmental factors on the connection part is reduced, the stability of electrical contact is improved, the normal conduction of current is ensured, and the stability of the working environment of the testing device is maintained, thereby improving the accuracy and reliability of data.

Description

Technical Field

[0001] The utility model belongs to the technical field of potential testing, in particular to a sacrificial anode potential testing device. Background Art

[0002] The sacrificial anode materials suitable for soil are mainly magnesium, and those in seawater are zinc and aluminum. In order to keep the current output as stable as possible and reduce the anode grounding resistance, the sacrificial anode in the soil should be surrounded by a chemical packing material, which is mainly composed of 75% calcium sulfate, 20% bentonite and 5% sodium sulfate.

[0003] When using the sacrificial anode method for potential measurement, the sacrificial anode and the pipeline to be tested are connected by a cable. One end of the cable is welded to the steel core of the sacrificial anode, and the other end is welded to the steel wire of the pipeline to be tested. The connection between the steel core and the cable is prone to accumulate moisture and other corrosive substances, thereby accelerating the corrosion of the steel core and reducing the effectiveness of the sacrificial anode. Utility Model Content

[0004] The present invention aims to solve the problems in the prior art and proposes the following technical solutions:

[0005] The utility model provides a sacrificial anode potential testing device, comprising:

[0006] A sacrificial anode block, wherein a steel core is fixedly provided at one end of the sacrificial anode block, and a sleeve 1 is provided outside the steel core;

[0007] Sleeve 2, one end of which is provided with a hole for the cable to pass through, and the other end of which is an open end and is threadedly sleeved on the outside of sleeve 1, and the connection between the cable and the steel core is protected by sleeve 2;

[0008] A sealing component is provided on the second sleeve at a position corresponding to the cable passing through, and the sealing component seals the gap between the second sleeve and the cable.

[0009] As a preferred embodiment of the above technical solution, the sealing assembly includes a sleeve 1 arranged in the hole of the sleeve 2, a sealing sleeve 1 is arranged on the inner side of the sleeve 1, and the sealing sleeve 1 is wrapped around the outside of the cable.

[0010] As a preferred embodiment of the above technical solution, the sealing assembly also includes a sleeve 2, which is threadedly sleeved on the outside of the sleeve 1, and a sealing sleeve 2 is provided at the end of the sleeve 2 away from the steel core, and the sealing sleeve 2 is wrapped around a section of the outside of the cable that is different from the sealing sleeve 1.

[0011] As a preferred embodiment of the above technical solution, a sealing ring is further provided on the outside of the open end of the second sleeve. After the second sleeve is installed on the outside of the first sleeve, the sealing ring abuts against the sacrificial anode block.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides protection for the connection between the cable and the steel core by providing two pairs of sleeves; it can effectively prevent the intrusion of moisture and other corrosive substances, thereby reducing the corrosion risk of the steel core and extending its service life; and it reduces the impact of environmental factors on the connection, improves the stability of electrical contact, ensures normal conduction of current, maintains a stable working environment of the test device, and thus improves the accuracy and reliability of data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a schematic front view of a test device in an embodiment;

[0015] Figure 2 Shown is a schematic cross-sectional view of a test device in an embodiment;

[0016] Figure 3 Shown is Figure 2 A schematic diagram of the structure enlargement at point A;

[0017] Figure numerals: 1, cable; 10, sacrificial anode block; 11, steel core; 21, sleeve 1; 22, sleeve 2; 30, sealing assembly; 31, sleeve 1; 32, sealing sleeve 1; 33, sleeve 2; 34, sealing sleeve 2; 41, sealing ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0019] Example

[0020] like Figure 1 、 Figure 2 、 Figure 3 As shown, Figure 1 Shown is a schematic front view of a test device in an embodiment; Figure 2 Shown is a schematic cross-sectional view of a test device in an embodiment; Figure 3 Shown is Figure 2 A schematic diagram of the structure enlargement at point A;

[0021] The device includes:

[0022] A sacrificial anode block 10, one end of which is fixedly provided with a steel core 11, and a sleeve 21 is provided on the outside of the steel core 11;

[0023] The second sleeve 22 has a hole at one end for the cable 1 to pass through, and the other end of the second sleeve 22 is an open end and is threadedly sleeved on the outside of the first sleeve 21. The connection between the cable 1 and the steel core 11 is protected by the second sleeve 22;

[0024] A sealing assembly 30 is provided on the second sleeve 22 at a position corresponding to the position through which the cable 1 passes. The sealing assembly 30 seals the gap between the second sleeve 22 and the cable 1 .

[0025] Specifically, the sleeve 1 21 serves to install the sleeve 2 22. The outer wall of the sleeve 1 21 is provided with a threaded segment 1, and the inner wall of the open end of the sleeve 2 22 is provided with a threaded segment 2 that matches the threaded segment 1. The two threads are in engagement.

[0026] After passing one end of the cable 1 through the hole of the second sleeve 22, it is welded to the steel core 11. After welding, the second sleeve 22 is screwed onto the outside of the first sleeve 21 to achieve fixed installation of the second sleeve 22. The second sleeve 22 covers and protects the connection between the cable 1 and the steel core 11; it can effectively prevent the intrusion of moisture and other corrosive substances, thereby reducing the corrosion risk of the steel core 11 and extending its service life; and reduces the impact of environmental factors on the connection, improves the stability of electrical contact, ensures normal current conduction, and maintains a stable working environment of the test device, thereby improving the accuracy and reliability of the data.

[0027] The sealing assembly 30 seals the gap between the second sleeve 22 and the cable 1 to improve the sealing performance.

[0028] Furthermore, a sealing ring 41 is provided outside the open end of the second sleeve 22 . After the second sleeve 22 is installed outside the first sleeve 21 , the sealing ring 41 abuts against the sacrificial anode block 10 .

[0029] The sealing ring 41 contacts the end of the sacrificial anode block 10 to seal the gap between the second sleeve 22 and the sacrificial anode block 10 , thereby further improving the sealing effect.

[0030] like Figure 3 As shown, Figure 3 Shown is Figure 2 A schematic diagram of the structure enlargement at point A;

[0031] The sealing assembly 30 includes a sleeve 31 disposed in the hole of the sleeve 2 22 , and a sealing sleeve 32 disposed inside the sleeve 31 ; the sealing sleeve 32 is wrapped around the outside of the cable 1 ;

[0032] By arranging the sleeve 1 31 and the sealing sleeve 1 32 in the hole of the second sleeve 22, after the cable 1 passes through the second sleeve 22, the sealing sleeve 1 32 is wrapped around the outside of the corresponding hole position on the cable 1 to increase the sealing between the cable 1 and the hole of the second sleeve 22;

[0033] The sealing assembly 30 also includes a second sleeve 33, which is threadedly sleeved on the outside of the first sleeve 31. A second sealing sleeve 34 is provided at the end of the second sleeve 33 away from the steel core 11. The second sealing sleeve 34 is wrapped around a section of the outside of the cable 1 that is different from the first sealing sleeve 32.

[0034] The second sleeve 33 and the second sealing sleeve 34 play a further sealing role. The second sleeve 33 is threadedly matched with the first sleeve 31. When it is screwed on the outside of the first sleeve 31, it can generate a certain extrusion force on the first sleeve 31, so that the sealing sleeve 32 and the cable 1 fit better. The second sealing sleeve 34 is wrapped around a section of the outside of the cable 1 that is different from the sealing sleeve 32, and cooperates with the sealing sleeve 32 to ensure the sealing performance of this part.

[0035] Working principle: When using this device, one end of the cable 1 is passed through the hole of the sleeve 22 and then welded to the steel core 11. After welding is completed, the sleeve 22 is screwed onto the outside of the sleeve 1 21 to achieve fixed installation of the sleeve 22. The sleeve 22 covers and protects the connection between the cable 1 and the steel core 11, and the sealing component 30 seals the gap between the sleeve 22 and the cable 1 to further ensure the sealing performance of the sleeve 22.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. Sacrificial anode potential test device, characterized in that, include: A sacrificial anode block (10), wherein a steel core (11) is fixedly provided at one end of the sacrificial anode block (10), and a sleeve (21) is provided outside the steel core (11); A second sleeve (22), one end of which is provided with a hole for the cable (1) to pass through, and the other end of which is an open end and is threadedly sleeved on the outside of the first sleeve (21), and the connection between the cable (1) and the steel core (11) is protected by the second sleeve (22); A sealing component (30) is provided on the second sleeve (22) at a position corresponding to the position through which the cable (1) passes, and the sealing component (30) seals the gap between the second sleeve (22) and the cable (1).

2. The sacrificial anode potential testing device according to claim 1, characterized in that: The sealing assembly (30) includes a sleeve one (31) arranged in the hole of the sleeve two (22), a sealing sleeve one (32) is arranged on the inner side of the sleeve one (31), and the sealing sleeve one (32) is wrapped around the outside of the cable (1).

3. The sacrificial anode potential testing device according to claim 2, characterized in that: The sealing assembly (30) further comprises a second sleeve (33), wherein the second sleeve (33) is threadedly sleeved on the outside of the first sleeve (31), and a second sealing sleeve (34) is provided at one end of the second sleeve (33) away from the steel core (11), and the second sealing sleeve (34) is wrapped around a section of the outside of the cable (1) that is different from the first sealing sleeve (32).

4. The sacrificial anode potential testing device according to claim 1, characterized in that: A sealing ring (41) is further provided on the outside of the open end of the second sleeve (22). After the second sleeve (22) is installed on the outside of the first sleeve (21), the sealing ring (41) abuts against the sacrificial anode block (10).

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