Anti-breaking insulated overhead cable

Abstract

The utility model discloses an anti-snapping insulation overhead cable, comprising a wire core, the outer side of the wire core is sleeved with a neck bush, the outer side of the neck bush is provided with an anti-snapping mechanism, the anti-snapping mechanism comprises a wire mesh grid, a mica tape, a rubber sleeve, a lantern ring, a traction rope, a groove, an outer bush and an elastic tube, the outer side of the neck bush is sleeved with the wire mesh grid, and the mica tape is sleeved with the rubber sleeve. According to the utility model, the structure is scientific and reasonable, the use is safe and convenient, the anti-snapping mechanism is arranged, and through the cooperation of the iron gauze grids and the mica tape, the interior of the cable is further reinforced and filled, the strength of the overhead cable is enhanced, and the cable is more stable in performance. According to the cable, the outer lining is arranged, the outer lining is supported through the lantern ring, meanwhile, the outer lining is limited and fixed through cooperation of the groove and the elastic pipe, and in addition, the tensile failure resistance of the cable is improved through cooperation of the traction rope and the elastic pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to overhead cable technical field, concretely is an insulation overhead cable of preventing breakage. BACKGROUND

[0002] Overhead cable is an overhead conductor with insulation layer and protective sheath, which is manufactured by a production process similar to cross-linked cable and is a new power transmission method between overhead conductor and underground cable. Overhead cable is single-core and can be divided into hard aluminum wire structure, hard drawn copper wire structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure and self-supporting three-core structure according to different structures.

[0003] However, the existing overhead cable has poor stretchability, which is inconvenient to stretch, and when stretched, the anti-break effect is poor, which is prone to breakage, affecting power transmission. Therefore, it is necessary to provide an insulation overhead cable to overcome the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model provides an insulation overhead cable of preventing breakage, which can effectively solve the problem of inconvenient stretching, poor anti-break effect and breakage during stretching, and affect power transmission.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an insulation overhead cable of preventing breakage, comprising a core, an inner sleeve is sleeved outside the core, an anti-break mechanism is arranged outside the inner sleeve, the anti-break mechanism comprises a wire mesh, a mica tape, a rubber sleeve, a sleeve ring, a traction rope, a groove, an outer sleeve and an elastic tube.

[0006] The inner sleeve is sleeved with a wire mesh outside, the wire mesh is wound with a mica tape outside, the mica tape is sleeved with a rubber sleeve outside, the rubber sleeve is equidistantly connected with a sleeve ring outside, and the sleeve ring is equidistantly connected with a traction rope inside, and the sleeve ring is provided with a groove between the two adjacent traction ropes outside.

[0007] The sleeve ring is sleeved with an outer sleeve outside, and the elastic tube is equidistantly connected with the groove inside the outer sleeve inner wall.

[0008] Preferably, the outer sleeve is provided with a bending reinforcement and reinforcement mechanism outside, and the bending reinforcement and reinforcement mechanism comprises a corrugated expansion sleeve, a wear-resistant layer, an arc-shaped elastic plate, a corrosion-resistant sleeve, a reinforcing plate, an elastic rope and a bending groove.

[0009] The outer bush is sleeved with a corrugated telescopic sleeve, the corrugated telescopic sleeve is sleeved with a wear-resistant layer, arc-shaped elastic plates are clamped on the inner wall of the wear-resistant layer at positions corresponding to the inside of the corrugated telescopic sleeve, the wear-resistant layer is sleeved with a corrosion-resistant sleeve, the corrosion-resistant sleeve is fixedly sleeved with reinforcing plates at equal intervals on the outside, and elastic ropes are embedded in the inside of the reinforcing plates.

[0010] Preferably, the elastic tubes and the traction ropes are staggered, and the outside of the elastic tubes is attached to the inner wall of the groove.

[0011] Preferably, the inner wall of the arc-shaped elastic plate is attached to the outside of the corrugated telescopic sleeve, and the ends of the reinforcing plates are provided with inclined surfaces.

[0012] Preferably, the outside of the core is sleeved with an insulating sleeve, the insulating sleeve and the inner bush are filled with a fire-retardant layer, and the fire-retardant layer is clamped with elastic rubber strips at equal intervals on the outside and the inner wall.

[0013] Preferably, the elastic rubber strips are arc-shaped, and the fire-retardant layer is filled with rock wool.

[0014] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, and the utility model is safe and convenient to use.

[0015] 1. The anti-breaking mechanism is arranged, the cable inside is further reinforced and filled through the cooperation of the wire mesh and the mica tape, the strength of the overhead cable is enhanced, the outer bush is supported through the sleeve ring, the position of the outer bush is limited through the cooperation of the groove and the elastic tube, the position of the outer bush is fixed, the cable inside is pulled through the cooperation of the traction rope and the elastic tube, the cable stretching is facilitated, and the anti-breaking performance of the cable is improved.

[0016] 2. The bending reinforcing and reinforcing mechanism is arranged, the cable is facilitated to bend and elongate through the cooperation of the corrugated telescopic sleeve and the arc-shaped elastic plate, the adaptability and the stretchability are improved, the corrosion and wear resistance of the cable are improved through the cooperation of the corrosion-resistant sleeve and the wear-resistant layer, the service life is increased, the cable outside is reinforced through the cooperation of the reinforcing plate and the elastic rope, the breaking phenomenon is prevented, the bending grooves are arranged on the outside of the reinforcing plate at equal intervals, the bending effect is guaranteed, the ends of the reinforcing plate are provided with inclined surfaces on the outside, the inclined area of the cable top end is reduced, snow is more easily slid off, and the accumulation of snow is reduced.

[0017] 3. The insulating sleeve, the fire-retardant layer and the elastic rubber strips are arranged, the inner bush and the core are filled through the cooperation of the insulating sleeve and the fire-retardant layer, the insulation effect is improved, the fire-retardant performance of the cable is increased, the flame spreading is reduced in case of fire, the loss is reduced, and the strength of the fire-retardant layer is guaranteed through the elastic rubber strips. Attached Figure Description

[0018] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0019] In the attached diagram:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the tensile fracture resistance mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the bending reinforcement and strengthening mechanism of this utility model;

[0023] Figure 4 This is a schematic diagram of the installation structure of the elastic rubber strip of this utility model;

[0024] The diagram labels are: 1. Core wire; 2. Inner sheath.

[0025] 3. Tensile strength mechanism; 301. Wire mesh; 302. Mica tape; 303. Rubber sleeve; 304. Collar; 305. Traction rope; 306. Groove; 307. Outer bushing; 308. Elastic tube;

[0026] 4. Bending reinforcement and strengthening mechanism; 401. Corrugated telescopic sleeve; 402. Wear-resistant layer; 403. Arc-shaped elastic plate; 404. Anti-corrosion sleeve; 405. Reinforcing plate; 406. Elastic rope; 407. Bending groove;

[0027] 5. Insulating sleeve; 6. Flame retardant layer; 7. Elastic rubber strip. Detailed Implementation

[0028] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0029] Example: Figures 1-4 As shown, this utility model provides a technical solution: an anti-breakage insulated overhead cable, including a core 1, an inner sleeve 2 sleeved on the outside of the core 1, and an anti-breakage mechanism 3 provided on the outside of the inner sleeve 2. The anti-breakage mechanism 3 includes a wire mesh 301, a mica tape 302, a rubber sleeve 303, a collar 304, a traction rope 305, a groove 306, an outer sleeve 307, and an elastic tube 308.

[0030] The inner sleeve 2 is sleeved with a wire mesh 301, the wire mesh 301 is wound with a mica tape 302, the mica tape 302 is sleeved with a rubber sleeve 303, the rubber sleeve 303 is equidistantly clamped with a sleeve ring 304, the sleeve ring 304 is equidistantly clamped with a traction rope 305 inside, and the sleeve ring 304 is provided with a groove 306 between the adjacent two traction ropes 305;

[0031] The sleeve ring 304 is sleeved with an outer sleeve 307, the outer sleeve 307 is equidistantly clamped with an elastic tube 308 at the position corresponding to the inside of the groove 306, in order to improve the elastic expansion capacity of the cable, the elastic tube 308 and the traction rope 305 are staggered, and the elastic tube 308 is attached to the inner wall of the groove 306;

[0032] The outer sleeve 307 is provided with a bending enhancement and reinforcement mechanism 4, the bending enhancement and reinforcement mechanism 4 comprises a corrugated telescopic sleeve 401, a wear-resistant layer 402, an arc-shaped elastic plate 403, a corrosion-resistant sleeve 404, a reinforcing plate 405, an elastic rope 406 and a bending groove 407;

[0033] The outer sleeve 307 is sleeved with the corrugated telescopic sleeve 401, the corrugated telescopic sleeve 401 is sleeved with the wear-resistant layer 402, the arc-shaped elastic plate 403 is clamped on the inner wall of the wear-resistant layer 402 at the position corresponding to the inside of the corrugated telescopic sleeve 401, the wear-resistant layer 402 is sleeved with the corrosion-resistant sleeve 404, the corrosion-resistant sleeve 404 is equidistantly fixedly sleeved with the reinforcing plate 405, the elastic rope 406 is embedded and installed in the reinforcing plate 405, the reinforcing plate 405 is equidistantly provided with the bending groove 407 on the outer side, in order to improve the elastic expansion capacity of the cable, the elastic tube 308 and the traction rope 305 are staggered, the elastic tube 308 is attached to the inner wall of the groove 306, in order to facilitate the limiting of the corrugated telescopic sleeve 401, the arc-shaped elastic plate 403 is attached to the outer side of the corrugated telescopic sleeve 401, and the reinforcing plate 405 is provided with an inclined surface at both ends;

[0034] The outer side of the wire core 1 is sleeved with an insulating sleeve 5, the insulating sleeve 5 and the inner sleeve 2 are filled with a flame-retardant layer 6, and the outer side and the inner wall of the flame-retardant layer 6 are equidistantly clamped with an elastic rubber strip 7, in order to reinforce the flame-retardant layer 6, the elastic rubber strip 7 is arc-shaped, and the flame-retardant layer 6 is filled with rock wool.

[0035] The working principle and use process of the utility model are as follows: firstly, the inner sleeve 2 and the wire core 1 are filled through the cooperation of the insulating sleeve 5 and the flame-retardant layer 6, the insulating effect is improved, the flame-retardant performance of the cable is increased, the spread of fire can be reduced in case of fire, the loss is reduced, the flame-retardant layer 6 is reinforced and filled through the elastic rubber strip 7, and the strength of the flame-retardant layer 6 is guaranteed;

[0036] Then, through the cooperation of the wire mesh 301 and the mica tape 302, the inside of the cable is further reinforced and filled, the strength of the overhead cable is enhanced, the outer bushing 307 is supported through the sleeve ring 304, the position of the outer bushing 307 is limited through the cooperation of the groove 306 and the elastic tube 308, the position of the outer bushing 307 is fixed, in addition, the inside of the cable is pulled through the cooperation of the traction rope 305 and the elastic tube 308, the cable stretching is facilitated, and the cable breaking resistance is improved;

[0037] Finally, through the cooperation of the corrugated expansion sleeve 401 and the arc-shaped elastic plate 403, the cable is facilitated to bend and stretch, the adaptability and stretchability are improved, in addition, through the cooperation of the corrosion-resistant sleeve 404 and the wear-resistant layer 402, the corrosion resistance and wear resistance of the cable are improved, the service life is increased, at the same time, through the cooperation of the reinforcing plate 405 outside the corrosion-resistant sleeve 404 and the elastic rope 406, the outside of the cable is reinforced to prevent the phenomenon of breaking, and the bending groove 407 is equidistantly arranged on the outside of the reinforcing plate 405, the cable is facilitated to bend, in addition, the reinforcing plate 405 is provided with inclined surfaces at both ends, the inclined area of the top end of the cable is reduced, and the accumulated snow is more easily slid off, and the accumulation of snow is reduced.

[0038] Finally, it should be noted that: the above only for the preferred examples of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An anti-breakage insulated overhead cable comprising a core (1), characterized in that: The inner sleeve (2) is sleeved outside the wire core (1), the anti-breaking mechanism (3) is arranged outside the inner sleeve (2), the anti-breaking mechanism (3) comprises a wire mesh (301), a mica tape (302), a rubber sleeve (303), a sleeve ring (304), a traction rope (305), a groove (306), an outer sleeve (307) and an elastic tube (308); The wire mesh (301) is sleeved outside the inner sleeve (2), the mica tape (302) is wound outside the wire mesh (301), the rubber sleeve (303) is sleeved outside the mica tape (302), the sleeve ring (304) is equidistantly clamped outside the rubber sleeve (303), the traction rope (305) is equidistantly clamped inside the sleeve ring (304), and the groove (306) is arranged outside the sleeve ring (304) and corresponds to two adjacent traction ropes (305). The outer sleeve (307) is sleeved outside the sleeve ring (304), and the elastic tube (308) is equidistantly clamped at the inner wall of the outer sleeve (307) and corresponds to the groove (306).

2. A kink resistant insulated aerial cable according to claim 1, characterized in that: The outer sleeve (307) is provided with the bending enhancement and reinforcement mechanism (4), and the bending enhancement and reinforcement mechanism (4) comprises a corrugated telescopic sleeve (401), a wear-resistant layer (402), an arc-shaped elastic plate (403), a corrosion-resistant sleeve (404), a reinforcing plate (405), an elastic rope (406) and a bending groove (407). The corrugated telescopic sleeve (401) is sleeved outside the outer sleeve (307), the wear-resistant layer (402) is sleeved outside the corrugated telescopic sleeve (401), the arc-shaped elastic plate (403) is clamped at the inner wall of the wear-resistant layer (402) and corresponds to the inner position of the corrugated telescopic sleeve (401), the corrosion-resistant sleeve (404) is sleeved outside the wear-resistant layer (402), the reinforcing plate (405) is equidistantly fixedly sleeved outside the corrosion-resistant sleeve (404), the elastic rope (406) is embedded and installed in the reinforcing plate (405), and the bending groove (407) is equidistantly arranged outside the reinforcing plate (405).

3. A non-stretching insulating overhead cable according to claim 1, characterized in that: The elastic tube (308) and the traction rope (305) are staggered, and the outer side of the elastic tube (308) is fitted with the inner wall of the groove (306).

4. A kink resistant insulated aerial cable according to claim 2, characterized in that: The inner wall of the arc-shaped elastic plate (403) is fitted with the outer side of the corrugated telescopic sleeve (401), and the reinforcing plate (405) is provided with an inclined surface at both ends.

5. A kink resistant insulated aerial cable according to claim 1, characterized in that: The wire core (1) is sleeved with an insulating sleeve (5), the insulating sleeve (5) and the inner sleeve (2) are filled with a flame-retardant layer (6), and the outer side and the inner wall of the flame-retardant layer (6) are equidistantly clamped with elastic rubber strips (7).

6. A kink resistant insulated aerial cable according to claim 5, characterized in that: The elastic rubber strip (7) is arc-shaped, and the flame-retardant layer (6) is filled with rock wool.

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