CN210916261U - Sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater - Google Patents
Sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater Download PDFInfo
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- CN210916261U CN210916261U CN201921978153.8U CN201921978153U CN210916261U CN 210916261 U CN210916261 U CN 210916261U CN 201921978153 U CN201921978153 U CN 201921978153U CN 210916261 U CN210916261 U CN 210916261U
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- hoop
- cable
- sacrificial anode
- rainwater
- cable body
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Abstract
The utility model discloses a sacrificial anode protection cable corrosion prevention device utilizing rainwater to conduct electricity, which comprises a cable body and a hoop structure, wherein the hoop structure is sleeved outside the cable body and comprises a hoop A and a hoop B, one side of the hoop A and the hoop B is provided with a rotating shaft, so that the hoop can freely rotate around the hoop, and the other side of the hoop A and the hoop B is tightly attached to the cable body through bolts and nuts; and a plurality of sacrificial anodes which are uniformly distributed are arranged between the inner side wall of the hoop structure and the cable body, and a plurality of rain grooves are formed between the sacrificial anodes and the cable body. The utility model discloses utilize the rainwater to act as the electrolyte, make the cable that sacrificial anode and sheath were destroyed to form the galvanic cell structure, when taking place electrochemical corrosion, the more active zinc alloy of chemical property receives the corruption for the cable obtains the protection.
Description
Technical Field
The utility model relates to a cable structure bridge corrodes the protection field, specifically is an utilize electrically conductive sacrificial anode protection cable anti-corrosion device of rainwater.
Background
Suspension bridges, cable-stayed bridges, suspender arch bridges and the like are large-span bridge structures which are applied more at present. The cable system of a bridge is the main bearing structure of a suspension bridge, a cable-stayed bridge and a suspender arch bridge, and can be also called as a 'safe life line' of the bridge. The cable structure is extremely susceptible to corrosion due to long-term exposure to weather, moisture and polluted air, and to constant and live loads in the natural environment across rivers, lakes and seas. Once the cable system is damaged by corrosion, the consequences are not obvious. In order to ensure the safety of bridge and cable structures, the cables must be protected from corrosion. And the corrosion of the cable comprises chemical corrosion and electrochemical corrosion, wherein the electrochemical corrosion is the corrosion type with higher corrosion speed and highest destructiveness. At present, the most common electrochemical corrosion prevention methods comprise an impressed current protection method and a sacrificial anode protection method, wherein the sacrificial anode protection method is advocated because of the characteristics of simplicity, easiness in implementation, no need of an impressed power supply and little generation of corrosion interference. Accordingly, those skilled in the art have provided an anticorrosion device for a sacrificial anode protection cable using rainwater for electric conduction to solve the above-mentioned problems of the background art.
Disclosure of Invention
An object of the utility model is to provide an utilize electrically conductive sacrificial anode protection cable anti-corrosion device of rainwater to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a sacrificial anode protection cable anticorrosion device utilizing rainwater to conduct electricity comprises a cable body and a hoop structure, wherein the hoop structure is sleeved on the outer side of the cable body and comprises a hoop A and a hoop B, a rotating shaft is arranged on one side of the hoop A and one side of the hoop B to enable the hoop to rotate freely around the hoop, and the hoop A and the hoop B are tightly attached to the cable body through bolts and nuts on the other side of the hoop A and the hoop B;
a plurality of sacrificial anodes which are uniformly distributed are arranged between the inner side wall of the hoop structure and the cable body, and a plurality of rain grooves are formed between the sacrificial anodes and the cable body;
the cable body includes insulating sheath and cable steel strand wires, and the outside parcel insulating sheath of cable steel strand wires, and it has the filling layer to fill between cable steel strand wires and the insulating sheath.
As a further proposal of the utility model, the cuff A and the cuff B are made of PTFE (polytetrafluoroethylene) materials, and have the advantages of insulation and corrosion resistance.
As the utility model discloses scheme further still, cuff A's right side is equipped with two stationary blade A, and cuff B's right side corresponds stationary blade A and is equipped with stationary blade B, and stationary blade A and stationary blade B pass through the bolt and the nut is fixed.
As the utility model discloses scheme further again, cuff A's left side is equipped with two fixture block A, is equipped with the draw-in groove in the fixture block A, and cuff B's right side corresponds fixture block A and is equipped with fixture block B, and fixture block B is located the draw-in groove, and fixture block A and fixture block B are connected through the pivot.
As a further proposal of the utility model, the sacrificial anode is made of zinc alloy.
As a further aspect of the present invention, the filling layer may specifically be a PP tape.
As the utility model discloses scheme further again, insulating sheath includes outer insulating layer and internal insulation layer, and the inside wall of outer insulating layer is equipped with the layer that absorbs water, and the layer that absorbs water can adopt the sponge, absorbs water and is equipped with many metal strips between layer and the internal insulation layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the rainwater to act as the electrolyte, make the cable that sacrificial anode and sheath were destroyed to form the galvanic cell structure, when taking place electrochemical corrosion, the more active zinc alloy of chemical property receives the corruption for the cable obtains the protection.
Drawings
Fig. 1 is a schematic structural view of a sacrificial anode protection cable corrosion prevention device using rainwater for conduction.
Fig. 2 is a bottom view of a sacrificial anode protection cable corrosion prevention device using rainwater conduction.
Fig. 3 is a schematic structural view of a ferrule a in a sacrificial anode protection cable corrosion prevention device using rainwater for conduction.
Fig. 4 is a schematic view showing a ferrule B of the sacrificial anode protection cable corrosion prevention device using rainwater for conduction.
Fig. 5 is a sectional view of an insulating sheath in a sacrificial anode protection cable corrosion prevention device using rainwater for conduction.
In the figure: 1. a cable body; 2. an insulating sheath; 21. an outer insulating layer; 22. an inner insulating layer; 23. a water-absorbing layer; 24. a metal strip; 3. a damaged part of the sheath; 4. rain water; 5. a cuff A; 51. a fixing sheet A; 52. a clamping block A; 6. a ferrule B; 61. a fixing sheet B; 62. a clamping block B; 7. a rotating shaft; 8. a bolt; 9. a nut; 10. a sacrificial anode; 11. a rain gutter; 12. cable steel strand wires; 13. and (5) filling the layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, a sacrificial anode protection cable anticorrosion device using rainwater for conducting electricity includes a cable body 1 and a hoop structure, the hoop structure is sleeved outside the cable body 1, the hoop structure includes a hoop a5 and a hoop B6, a rotating shaft 7 is disposed on one side of the hoop a5 and the hoop B6, so that the hoop can rotate freely around the hoop, the hoop a5 and the hoop B6 are tightly attached to the cable body 1 through a bolt 8 and a nut 9 on the other side, the hoop a5 and the hoop B6 are made of PTFE (polytetrafluoroethylene) materials, and the sacrificial anode protection cable anticorrosion device has the advantages of insulation and corrosion resistance;
a plurality of sacrificial anodes 10 which are uniformly distributed are arranged between the inner side wall of the hoop structure and the cable body 1, the sacrificial anodes 10 are made of zinc alloy, and a plurality of rain tanks 11 are formed between the sacrificial anodes 10 and the cable body 1;
two fixing pieces A51 are arranged on the right side of the hoop A5, a fixing piece B61 is arranged on the right side of the hoop B6 corresponding to the fixing piece A51, and the fixing piece A51 and the fixing piece B61 are fixed through a bolt 8 and a nut 9;
two clamping blocks A52 are arranged on the left side of the hoop A5, a clamping groove is formed in each clamping block A52, a clamping block B62 is arranged on the right side of the hoop B6 corresponding to the clamping block A52, the clamping block B62 is located in the clamping groove, and the clamping block A52 is connected with the clamping block B62 through a rotating shaft 7;
the cable body 1 comprises an insulating sheath 2 and a cable steel strand 12, the insulating sheath 2 is wrapped outside the cable steel strand 12, a filling layer 13 is filled between the cable steel strand 12 and the insulating sheath 2, and the filling layer 13 can be a PP belt;
the insulating sheath 2 comprises an outer insulating layer 21 and an inner insulating layer 22, a water absorbing layer 23 is arranged on the inner side wall of the outer insulating layer 21, the water absorbing layer 23 can be made of sponge, and a plurality of metal strips 24 are arranged between the water absorbing layer 23 and the inner insulating layer 22.
When raining, the rainwater 4 slides down along the cable body 1 to serve as electrolyte solution, the rainwater 4 flows through the cable at the damaged part 3 of the sheath and the rainwater tank 11 in the corrosion protection device, wherein the rainwater tank 11 and the sacrificial anode 10 are arranged at intervals, so that the contact area between the sacrificial anode 10 and the rainwater 4 is larger;
the sacrificial anode 10 and the cable steel strand 12 at the sheath damage part 3 form a primary battery structure, and when electrochemical corrosion occurs, zinc alloy with more active chemical properties is corroded, so that the cable is protected;
meanwhile, the hoop A5 and the hoop B6 are fixed by the bolts 8 and the nuts 9, the insulation effect is better due to the fact that the two insulation layers (the outer insulation layer 21 and the inner insulation layer 22) in the insulation sheath 2 are arranged, meanwhile, the water absorption layer 23 can absorb water, rainwater 4 is rapidly removed, corrosion is reduced, meanwhile, the metal strip 24 can be arranged to form a primary battery structure with the external sacrificial anode 10, and the internal cable steel strand 12 is further protected.
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 (7)
1. The sacrificial anode protection cable anticorrosion device utilizing rainwater to conduct electricity comprises a cable body (1) and a hoop structure, and is characterized in that the hoop structure is sleeved on the outer side of the cable body (1) and comprises a hoop A (5) and a hoop B (6), a rotating shaft (7) is arranged on one side of the hoop A (5) and one side of the hoop B (6) to enable the hoop to rotate freely around the hoop, and the hoop A (5) and the hoop B (6) are tightly attached to the cable body (1) through a bolt (8) and a nut (9) on the other side of the hoop A (5) and the hoop B (6);
a plurality of sacrificial anodes (10) which are uniformly distributed are arranged between the inner side wall of the hoop structure and the cable body (1), and a plurality of rain grooves (11) are formed between the sacrificial anodes (10) and the cable body (1);
the cable body (1) comprises an insulating sheath (2) and a cable steel strand (12), the insulating sheath (2) is wrapped outside the cable steel strand (12), and a filling layer (13) is filled between the cable steel strand (12) and the insulating sheath (2).
2. The sacrificial anode protection cable corrosion prevention device utilizing rainwater to conduct electricity as claimed in claim 1, wherein the cuff A (5) and the cuff B (6) are made of PTFE material.
3. The sacrificial anode protection cable corrosion prevention device using rainwater to conduct electricity according to claim 1, wherein two fixing pieces A (51) are provided on the right side of the cuff A (5), a fixing piece B (61) is provided on the right side of the cuff B (6) corresponding to the fixing piece A (51), and the fixing piece A (51) and the fixing piece B (61) are fixed by a bolt (8) and a nut (9).
4. The sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater as claimed in claim 1, wherein two blocks A (52) are arranged at the left side of the hoop A (5), a clamping groove is arranged in each block A (52), a block B (62) is arranged at the right side of the hoop B (6) corresponding to each block A (52), each block B (62) is positioned in each clamping groove, and each block A (52) and each block B (62) are connected through the rotating shaft (7).
5. The sacrificial anode protection cable corrosion prevention device using rainwater to conduct electricity as claimed in claim 1, wherein the sacrificial anode (10) is zinc alloy.
6. Sacrificial anode protection cable corrosion protection device using rainwater conduction according to claim 1, characterized in that the filling layer (13) is made of PP tape.
7. The sacrificial anode protection cable corrosion prevention device utilizing rainwater to conduct electricity according to claim 1, wherein the insulation sheath (2) comprises an outer insulation layer (21) and an inner insulation layer (22), the inner side wall of the outer insulation layer (21) is provided with a water absorption layer (23), the water absorption layer (23) can be made of sponge, and a plurality of metal strips (24) are arranged between the water absorption layer (23) and the inner insulation layer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921978153.8U CN210916261U (en) | 2019-11-15 | 2019-11-15 | Sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921978153.8U CN210916261U (en) | 2019-11-15 | 2019-11-15 | Sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210916261U true CN210916261U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921978153.8U Expired - Fee Related CN210916261U (en) | 2019-11-15 | 2019-11-15 | Sacrificial anode protection cable corrosion prevention device conducting electricity by utilizing rainwater |
Country Status (1)
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|---|---|
| CN (1) | CN210916261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016038A (en) * | 2021-10-28 | 2022-02-08 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method utilizing rainwater to conduct electricity |
| CN115466961A (en) * | 2022-10-17 | 2022-12-13 | 东南大学 | Cathode protection anti-corrosion device for sacrificial anode of flexible photovoltaic support |
-
2019
- 2019-11-15 CN CN201921978153.8U patent/CN210916261U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016038A (en) * | 2021-10-28 | 2022-02-08 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method utilizing rainwater to conduct electricity |
| CN114016038B (en) * | 2021-10-28 | 2023-08-29 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method using rainwater for conduction |
| CN115466961A (en) * | 2022-10-17 | 2022-12-13 | 东南大学 | Cathode protection anti-corrosion device for sacrificial anode of flexible photovoltaic support |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201115 |