CN212874144U - Waterproof and rat-proof 500KV polyethylene insulated power cable - Google Patents

Abstract

The utility model discloses a waterproof protection against rodents type 500KV polyethylene insulation power cable, including polyvinyl chloride inner sheath and solid fixed ring, the internally mounted of polyvinyl chloride inner sheath has the zero line, and the internally mounted of polyvinyl chloride inner sheath has main heart yearn to the outer wall of main heart yearn is fixed with the polyvinyl chloride insulating layer, and it has the filling rope to fill in the polyvinyl chloride inner sheath moreover, and the outer fixed surface of polyvinyl chloride inner sheath is connected with the steel band inoxidizing coating simultaneously. This waterproof protection against rodents type 500KV polyethylene insulation power cable, be provided with waterproof layer and multilayer structure, and place the rodenticide in hollow block, make the waterproof protection against rodents effect of this cable better, polyethylene insulation power cable buries underground usually, waterproof effect is good can prevent that the inside of cable from intaking, thereby prevent that internals from damaging, the problem of the cable electric leakage that leads to the fact is electrically conducted in the chance of also not taking place, the cable that protection against rodents effect is better is not gnawed by the mouse, be favorable to maintaining the integrality of cable.

Description

Waterproof and rat-proof 500KV polyethylene insulated power cable

Technical Field

The utility model relates to the technical field of cables, specifically be a waterproof protection against rodents type 500KV polyethylene insulation power cable.

Background

The polyethylene insulated power cable is suitable for fixedly laying in power frequency rated voltage 0.6/1kV and following distribution networks or industrial devices, is a cable suitable for the fields of distribution networks and the like, has the incomparable advantages of PVC insulated cables, has simple structure, light weight, good heat resistance, strong load capacity, no melting, chemical corrosion resistance and high mechanical strength, but the existing polyethylene insulated power cable has certain defects, such as:

1. the general waterproof protection against rodents effect of current polyethylene insulation power cable is not good, and polyethylene insulation power cable buries underground usually, and waterproof effect is not good can lead to the inside intaking of cable, causes the internals to damage, and water is the conductor in addition, meets the electric conductance and can lead to the cable electric leakage, and protection against rodents effect is not good can lead to the cable to be gnawed by the mouse, leads to the cable damaged.

2. The existing polyethylene insulated power cable is generally poor in fixing effect, the cable laid underground is possibly distorted due to improper fixing, even the cable is damaged, once the cable is damaged, the repairing process is complex, the repairing time of people is wasted, and unnecessary resource waste is caused.

In order to solve the problems, innovative design is urgently needed on the basis of the original polyethylene insulated power cable structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof protection against rodents type 500KV polyethylene insulation power cable, it is not good with the waterproof protection against rodents effect of proposing in solving above-mentioned background art, polyethylene insulation power cable buries underground usually, waterproof effect is not good can lead to the inside intaking of cable, cause the internals to damage, in addition water is the conductor, meet the electric conduction and probably cause the cable electric leakage, protection against rodents effect is not good can lead to the cable to be gnawed by the mouse, lead to the cable damaged, and fixed effect is not good, lay in underground cable probably because fixed improper emergence distortion, cause the cable to damage even, the cable is in case the damage repair process is comparatively complicated, extravagant people's repair time, cause the extravagant problem of unnecessary resource.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof and rat-proof 500KV polyethylene insulated power cable, which comprises a polyvinyl chloride inner protective layer and a fixed ring, a zero line is arranged inside the polyvinyl chloride inner protection layer, a main core wire is arranged inside the polyvinyl chloride inner protection layer, and the outer wall of the main core wire is fixed with a polyvinyl chloride insulating layer, and the inner polyvinyl chloride protective layer is filled with a filling rope, meanwhile, the outer surface of the polyvinyl chloride inner protective layer is fixedly connected with a steel belt protective layer, the outer wall of the steel belt protective layer is provided with a polyvinyl chloride sheath, the outer surface of the polyvinyl chloride sheath is plated with a waterproof layer, a hollow block is fixed on the outer surface of the waterproof layer, a round hole is arranged on the surface of the hollow block, raticide is arranged in the hollow block, an anti-abrasion gasket is arranged on the inner surface of the fixing ring, and the outer surface of the fixing ring is fixed with a supporting leg, and the top of the supporting leg is movably connected with a bolt.

Preferably, the main core wire is arranged around the zero line as a center, and a gap between the main core wire and the zero line is filled with the filling rope.

Preferably, the main core wire is arranged on the periphery of the zero line in a surrounding mode by taking the zero line as a center, the gap between the main core wire and the zero line is filled with a steel strip protective layer by a filling rope and is located between a polyvinyl chloride inner protective layer and a polyvinyl chloride sheath, the inner surface of the steel strip protective layer is completely attached to the outer surface of the polyvinyl chloride inner protective layer, and the outer surface of the steel strip protective layer is completely attached to the inner surface of the polyvinyl chloride sheath.

Preferably, the inner surface of the anti-abrasion gasket is attached to the outer surface of the waterproof layer, and the shape and size of the anti-abrasion gasket are matched with those of the waterproof layer.

Preferably, the fixed ring forms a supporting structure through supporting legs and bolts, and the supporting legs are symmetrically arranged at the bottom of the fixed ring.

Preferably, one end of the bolt penetrates through the top of the supporting leg and extends to the bottom of the supporting leg, and the supporting leg is fixed underground through the bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the waterproof and rat-proof 500KV polyethylene insulated power cable;

1. the cable is provided with the waterproof layer and the multilayer structure, and the rodenticide is placed in the hollow block, so that the waterproof and ratproof effects of the cable are good, the polyethylene insulated power cable is usually buried underground, the waterproof effect is good, water can be prevented from entering the cable, the damage of internal parts is prevented, the problem of cable leakage caused by electric conduction when water meets electricity is avoided, the cable with the good ratproof effect is not easy to be gnawed by rats, and the integrity of the cable is favorably maintained;

2. be provided with solid fixed ring, supporting leg and bolt, made things convenient for the fixed of cable for this cable is better at the fixed effect of underground, lays the cable in the underground and can not reduce the possibility of cable damage because fixed improper emergence distortion again, and the cable is in case the damage repair process is comparatively complicated, and people's repair time has been practiced thrift to fixed effectual cable, has reduced the unnecessary wasting of resources.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the hollow block of the present invention;

FIG. 3 is a schematic view showing the structural connection between the hollow block and the rodenticide;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a polyvinyl chloride inner protective layer; 2. a zero line; 3. a main core wire; 4. a polyvinyl chloride insulating layer; 5. filling a rope; 6. a steel belt protective layer; 7. a polyvinyl chloride sheath; 8. a waterproof layer; 9. a hollow block; 10. a circular hole; 11. raticide; 12. a fixing ring; 13. an anti-wear washer; 14. supporting legs; 15. and (4) bolts.

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. 1-4, the present invention provides a technical solution: a waterproof and rat-proof 500KV polyethylene insulated power cable comprises a polyvinyl chloride inner protection layer 1, a zero line 2, a main core wire 3, a polyvinyl chloride insulating layer 4, a filling rope 5, a steel strip protection layer 6, a polyvinyl chloride sheath 7, a waterproof layer 8, a hollow block 9, a round hole 10, a rodenticide 11, a fixing ring 12, an anti-abrasion washer 13, a supporting leg 14 and a bolt 15, wherein the zero line 2 is installed inside the polyvinyl chloride inner protection layer 1, the main core wire 3 is installed inside the polyvinyl chloride inner protection layer 1, the polyvinyl chloride insulating layer 4 is fixed on the outer wall of the main core wire 3, the filling rope 5 is filled in the polyvinyl chloride inner protection layer 1, the steel strip protection layer 6 is fixedly connected to the outer surface of the polyvinyl chloride inner protection layer 1, the polyvinyl chloride sheath 7 is arranged on the outer wall of the steel strip protection layer 6, the waterproof layer 8 is plated on the outer surface of the polyvinyl chloride sheath 7, and the, and the surface of hollow block 9 has seted up round hole 10 to be provided with rodenticide 11 in the hollow block 9, the internal surface mounting of solid fixed ring 12 has abrasionproof packing ring 13, and the external surface of solid fixed ring 12 is fixed with supporting leg 14, and the top swing joint of supporting leg 14 has bolt 15.

The main core wire 3 is arranged around the zero line 2 by taking the zero line 2 as a center, a gap between the main core wire 3 and the zero line 2 is filled with the filling rope 5, and the gap of the polyvinyl chloride inner protection layer 1 is filled through the arranged filling rope 5, so that the main core wire 3 and the zero line 2 are protected;

the steel belt protective layer 6 is positioned between the polyvinyl chloride inner protective layer 1 and the polyvinyl chloride sheath 7, the inner surface of the steel belt protective layer 6 is completely attached to the outer surface of the polyvinyl chloride inner protective layer 1, the outer surface of the steel belt protective layer 6 is completely attached to the inner surface of the polyvinyl chloride sheath 7, and a supporting frame in the cable is formed through the arranged steel belt protective layer 6;

the inner surface of the anti-abrasion gasket 13 is attached to the outer surface of the waterproof layer 8, the shape and the size of the anti-abrasion gasket 13 are matched with those of the waterproof layer 8, and the cable can be prevented from being abraded by the fixing ring 12 through the arranged anti-abrasion gasket 13;

the fixing ring 12 forms a supporting structure through supporting legs 14 and bolts 15, the supporting legs 14 are symmetrically arranged at the bottom of the fixing ring 12, and the supporting effect on the fixing ring 12 is better through the symmetrically arranged supporting legs 14;

one end of the bolt 15 penetrates through the top of the supporting leg 14 and extends to the bottom of the supporting leg 14, the supporting leg 14 is fixed underground through the bolt 15, and the fixing of the supporting leg 14 is facilitated through the arranged bolt 15.

The working principle is as follows: when the waterproof and rat-proof 500KV polyethylene insulated power cable is used, according to the figures 1, 2, 3 and 4, the polyvinyl chloride inner protection layer 1, the steel strip protection layer 6 and the polyvinyl chloride sheath 7 are made of materials which have certain waterproof property, and the waterproof layer 8 is specially plated outside the cable, so that the cable has good waterproof property, a hollow block 9 is arranged at a certain distance, rat poison 11 is arranged in the hollow block 9, and odor is emitted through a round hole 10 formed in the surface of the hollow block 9, so that the purpose of rat proofing is achieved;

according to fig. 1 and 4, a fixing ring 12 is provided at the bottom of the cable, and the fixing ring 12 is fixed by means of support legs 14 and bolts 15, enhancing the fixing effect of the cable.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a waterproof protection against rodents type 500KV polyethylene insulation power cable, includes polyvinyl chloride inner sheath (1) and solid fixed ring (12), its characterized in that: the utility model discloses a PVC waterproof ring, including polyvinyl chloride inner sheath layer (1), the internally mounted of polyvinyl chloride inner sheath layer (1) has zero line (2), and the internally mounted of polyvinyl chloride inner sheath layer (1) has main heart yearn (3), and the outer wall of main heart yearn (3) is fixed with polyvinyl chloride insulating layer (4), and it has filling rope (5) to fill in polyvinyl chloride inner sheath layer (1), and the fixed surface of polyvinyl chloride inner sheath layer (1) is connected with steel band inoxidizing coating (6) simultaneously, the outer wall of steel band inoxidizing coating (6) is provided with polyvinyl chloride sheath (7), and the surface of polyvinyl chloride sheath (7) has plated waterproof layer (8), and the fixed surface of waterproof layer (8) has hollow block (9), and round hole (10) have been seted up on the surface of hollow block (9) to be provided with rodenticide (11) in hollow block, and the outer surface of the fixed ring (12) is fixed with a supporting leg (14), and the top of the supporting leg (14) is movably connected with a bolt (15).

2. The waterproof and rat-proof 500KV polyethylene insulated power cable according to claim 1, characterized in that: the main core wire (3) is arranged around the zero wire (2) by taking the zero wire (2) as a center, and a gap between the main core wire (3) and the zero wire (2) is filled by a filling rope (5).

3. The waterproof and rat-proof 500KV polyethylene insulated power cable according to claim 1, characterized in that: the steel strip protective layer (6) is located between the polyvinyl chloride inner protective layer (1) and the polyvinyl chloride sheath (7), the inner surface of the steel strip protective layer (6) is completely attached to the outer surface of the polyvinyl chloride inner protective layer (1), and the outer surface of the steel strip protective layer (6) is completely attached to the inner surface of the polyvinyl chloride sheath (7).

4. The waterproof and rat-proof 500KV polyethylene insulated power cable according to claim 1, characterized in that: the inner surface of the anti-abrasion gasket (13) is attached to the outer surface of the waterproof layer (8), and the shape and the size of the anti-abrasion gasket (13) are matched with those of the waterproof layer (8).

5. The waterproof and rat-proof 500KV polyethylene insulated power cable according to claim 1, characterized in that: the fixing ring (12) forms a supporting structure through supporting legs (14) and bolts (15), and the supporting legs (14) are symmetrically arranged at the bottom of the fixing ring (12).

6. The waterproof and rat-proof 500KV polyethylene insulated power cable according to claim 1, characterized in that: one end of the bolt (15) penetrates through the top of the supporting leg (14) and extends to the bottom of the supporting leg (14), and the supporting leg (14) is fixed underground through the bolt (15).

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