CN219203987U

CN219203987U - Corrosion-resistant cable protection tube

Info

Publication number: CN219203987U
Application number: CN202223327174.8U
Authority: CN
Inventors: 宋荣
Original assignee: Guangxi Chongzuo Donghong Technology Co ltd
Current assignee: Guangxi Chongzuo Donghong Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-16
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a corrosion-resistant cable protection tube, which relates to the field of protection tubes and comprises a main tube, wherein a first fixing block is fixed on the outer side of the main tube, a first fixing hole is formed in the first fixing block, a first moving groove is formed in the inner side of a mounting sleeve, a first chute is formed in the inner side of the mounting sleeve, and a second fixing hole is formed in the first chute. According to the utility model, the main pipe, the mounting sleeve, the first fixing block and the second fixing hole are arranged, the first fixing block is matched with the first chute, the second fixing block is matched with the second chute, the two cable protection pipes are fixed and are not easy to loosen due to vibration, the first fixing hole and the second fixing hole are connected by the reinforcement of bolts, the connecting structure is arranged on the mounting sleeve, the two cable protection pipes are connected and fixed, and the first fixing block and the second fixing block enter the first chute and the second chute through the first moving groove and the second moving groove.

Description

Corrosion-resistant cable protection tube

Technical Field

The utility model relates to the field of protection pipes, in particular to a corrosion-resistant cable protection pipe.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and the wires for transmitting electric power or information from one place to another place are characterized by internal electrification and external insulation, and are different from overhead high-voltage lines, and the cable is often laid in a cable trench, a tunnel, a pipeline or a room. After entering a modern society, underground cable power transmission modes are commonly adopted in large cities due to the fact that urban land is tense, traffic pressure is high, urban capacity is built and the like.

In power engineering, the status of a cable protection tube is not neglected, and the cable protection tube is an electric insulation tube which is most commonly used for protecting wires and cables, and cable duct corrosion is mainly divided into internal corrosion and external corrosion: the external corrosion is mainly caused by connection of pipeline materials with corrosive media such as soil, seawater, atmosphere and the like, and the internal corrosion is different according to the properties of fluid in the pipeline and comprises acid corrosion, chloride ion induced corrosion, microbial corrosion, stress corrosion, welding corrosion and the like.

The existing cable protection tube is a galvanized steel tube, the tube orifice is in a horn shape, the galvanized steel tube has good corrosion resistance, but for a cable without a plastic sheath, when a potential difference exists between a cable metal sheath and the steel tube, the cable is easy to fail due to corrosion, and is easy to wear and deform due to the influence of earth and stones, the tube orifice is also easy to loosen due to the influence of external environment, and then water and gas enter the cable to corrode the cable.

Disclosure of Invention

Based on the problems, the utility model aims to provide a corrosion-resistant cable protection tube so as to solve the technical problems that a galvanized steel tube is easily affected by earth and stone to be worn and deformed and a tube orifice is easily loosened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a corrosion-resistant cable protection tube, includes the person in charge, be fixed with first fixed block in the person in charge outside, be fixed with the second fixed block in charge outside, first fixed orifices has been seted up on the first fixed block, first removal groove has been seted up to the installation cover inboard, the second removal groove has been seted up to the installation cover inboard, first chute has been seted up to the installation cover inboard, the second fixed orifices has been seted up in the first chute.

Through adopting above-mentioned technical scheme, utilize first fixed block and first chute cooperation, second fixed block and second chute cooperation, it is fixed with two cable protection tubes, be difficult for taking off because of the vibration, from first fixed orifices and second fixed orifices by the bolt fastening connection again, through seting up connection structure on the installation is sheathe in, connect two cable protection tubes of fixed, first fixed block and second fixed block get into first chute and second chute through first movable slot and second movable slot.

The utility model further provides that the main pipe consists of a wear-resistant layer, a galvanized layer and an insulating layer.

Through adopting above-mentioned technical scheme, the wearing layer prevents galvanized layer and external environment direct contact, avoids the wearing and tearing of galvanized layer, improves the life of galvanized layer, and the galvanized layer oxidation resistance is good, and corrosion resistance is strong, effectively improves the life of cable protection tube, and the insulating layer prevents to form the potential difference between cable metal sheath and the steel pipe, then leads to the cable to break down because of the corruption.

The utility model is further characterized in that the two sides of the first fixed block and the second fixed block are obliquely arranged, and the sealing ring is arranged on the mounting sleeve.

Through adopting above-mentioned technical scheme, utilize the inclination to make fixed block and chute form a screw thread fixed effect, extrude the sealing washer then, make mouth of pipe department reach sealed effect, prevent that the aqueous vapor in the external environment from getting into, corrode the cable.

The utility model is further arranged that the first fixing hole is arranged as a threaded hole, and the second fixing hole is arranged as a countersunk hole.

Through adopting above-mentioned technical scheme, utilize the bolt to fix second fixed orifices and first fixed orifices, prevent that the cable protection tube from rotating not hard up, make the sealing washer be in the sticis state always, sealed effectual.

The utility model further provides that the mounting sleeve is fixed with the main pipe.

Through adopting above-mentioned technical scheme, the fixed an organic whole of installation cover and person in charge, and the internal diameter size of installation cover is the same with the external diameter size of person in charge, in the one end of person in charge can stretch into the installation cover.

In summary, the utility model has the following advantages:

1. according to the utility model, the main pipe, the mounting sleeve, the first fixing block and the second fixing hole are arranged, the first fixing block is matched with the first chute, the second fixing block is matched with the second chute, the two cable protection pipes are fixed and are not easy to loosen due to vibration, the first fixing hole and the second fixing hole are connected by the reinforcement of bolts, the connecting structure is arranged on the mounting sleeve, the two cable protection pipes are connected and fixed, and the first fixing block and the second fixing block enter the first chute and the second chute through the first moving groove and the second moving groove.

2. According to the utility model, the wear-resistant layer, the galvanized layer and the insulating layer are arranged, so that the wear-resistant layer is prevented from being in direct contact with the external environment, the abrasion of the galvanized layer is avoided, the service life of the galvanized layer is prolonged, the galvanized layer has good oxidation resistance and strong corrosion resistance, the service life of the cable protection tube is effectively prolonged, the insulating layer is used for preventing potential difference between the cable metal sheath and the steel tube, and then the cable is failed due to corrosion.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the main pipe of the present utility model;

FIG. 3 is a partially enlarged block diagram of the present utility model;

fig. 4 is a partial cross-sectional structural view of the present utility model.

In the figure: 1. a main pipe; 2. a mounting sleeve; 3. a first fixed block; 4. a second fixed block; 5. a first fixing hole; 6. a second fixing hole; 7. a wear-resistant layer; 8. a zinc plating layer; 9. an insulating layer; 10. a first moving groove; 11. a second moving groove; 12. a first chute; 13. a second chute; 14. and (3) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

As shown in fig. 1-4, a first fixing block 3 is fixed on the outer side of a main pipe 1, a second fixing block 4 is fixed on the outer side of the main pipe 1, a first fixing hole 5 is formed in the first fixing block 3, a first moving groove 10 is formed in the inner side of a mounting sleeve 2, a second moving groove 11 is formed in the inner side of the mounting sleeve 2, a first chute 12 is formed in the inner side of the mounting sleeve 2, a second chute 13 is formed in the inner side of the mounting sleeve 2, a second fixing hole 6 is formed in the first chute 12, the first fixing block 3 is matched with the first chute 12, the second fixing block 4 is matched with the second chute 13, two cable protection pipes are fixed and are not prone to loosening due to vibration, the first fixing hole 5 and the second fixing hole 6 are connected through bolt reinforcement, two cable protection pipes are connected and fixed through a connecting structure formed in the mounting sleeve 2, and the first fixing block 3 and the second fixing block 4 enter the first chute 12 and the second chute 13 through the first moving groove 10 and the second moving groove 11.

Referring to fig. 2, in the above embodiment, the main pipe 1 is composed of the wear-resistant layer 7, the galvanized layer 8 and the insulating layer 9, the wear-resistant layer 7 prevents the galvanized layer 8 from directly contacting with the external environment, wear of the galvanized layer 8 is avoided, the service life of the galvanized layer 8 is prolonged, the galvanized layer 8 has good oxidation resistance and strong corrosion resistance, the service life of the cable protection pipe is effectively prolonged, the insulating layer 9 prevents potential difference between the cable metal sheath and the steel pipe, and then the cable is failed due to corrosion.

Referring to fig. 1, 3 and 4, in the above embodiment, the two sides of the first fixing block 3 and the second fixing block 4 are obliquely arranged, the slopes of the two sides of the first chute 12 and the second chute 13 are consistent with the two sides of the first fixing block 3 and the second fixing block 4, the sealing ring 14 is placed on the installation sleeve 2, the fixing blocks and the chute form a screw thread fixing effect by using the slopes, and then the sealing ring 14 is extruded, so that the sealing effect is achieved at the pipe orifice, moisture in the external environment is prevented from entering, and the cable is corroded.

Referring to fig. 1, 3 and 4, in the above embodiment, the first fixing hole 5 is provided as a threaded hole, the second fixing hole 6 is provided as a countersunk hole, and the second fixing hole 6 and the first fixing hole 5 are fixed by bolts, so that the cable protection tube is prevented from rotating loose, the sealing ring 14 is always in a compressed state, and the sealing effect is good.

Referring to fig. 1, in the above embodiment, the installation sleeve 2 is integrally fixed with the main pipe 1, and the inner diameter of the installation sleeve 2 is the same as the outer diameter of the main pipe 1, and one end of the main pipe 1 may extend into the installation sleeve 2.

The working principle of the utility model is as follows: the first fixing block 3 is aligned with the first moving groove 10, the second fixing block 4 is aligned with the second moving groove 11, the main pipe 1 of the first cable protection pipe is pushed to enter the mounting sleeve 2 of the second cable protection pipe, after reaching the bottoms of the first moving groove 10 and the second moving groove 11, the second cable protection pipe is rotated clockwise, the first fixing block 3 enters the first chute 12, the second fixing block 4 enters the second chute 13, after reaching the bottoms of the first chute 12 and the second chute 13, the second fixing block 4 enters from the second fixing hole 6 by using bolts and is fixed with the threads of the first fixing hole 5, and the sealing ring 14 is in a compression state.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a corrosion-resistant cable protection tube, includes main pipe (1) and installation cover (2), its characterized in that: the novel automatic fixing device is characterized in that a first fixing block (3) is fixed on the outer side of the main pipe (1), a second fixing block (4) is fixed on the outer side of the main pipe (1), a first fixing hole (5) is formed in the first fixing block (3), a first moving groove (10) is formed in the inner side of the installation sleeve (2), a second moving groove (11) is formed in the inner side of the installation sleeve (2), a first chute (12) is formed in the inner side of the installation sleeve (2), a second chute (13) is formed in the inner side of the installation sleeve (2), and a second fixing hole (6) is formed in the first chute (12).

2. A corrosion resistant cable protection as claimed in claim 1, wherein: the main pipe (1) consists of a wear-resistant layer (7), a galvanized layer (8) and an insulating layer (9).

3. A corrosion resistant cable protection as claimed in claim 1, wherein: the two sides of the first fixed block (3) and the second fixed block (4) are obliquely arranged, and the sealing ring (14) is arranged on the mounting sleeve (2).

4. A corrosion resistant cable protection as claimed in claim 1, wherein: the first fixing holes (5) are threaded holes, and the second fixing holes (6) are countersunk holes.

5. A corrosion resistant cable protection as claimed in claim 1, wherein: the mounting sleeve (2) is fixed with the main pipe (1) into a whole.