CN220341906U - 10 kilovolt circuit broken strand live bypass repair safe operation fastening device - Google Patents

Abstract

The utility model discloses a safe operation fastening device for repairing a 10 kilovolt line broken strand live bypass, which comprises a fixed static end, a fixed traction moving end, a tractor and a bypass current conducting structure, wherein the fixed static end and the fixed traction moving end both comprise a fixed base and a conductive fixed pressing plate; the retractor comprises an insulating traction nylon belt and a rolling curtain type traction assembly, and the bypass current conducting structure comprises a bypass conductive insulating cable and a fastening pressing plate; the utility model provides a safe protection device for repairing broken strand and scattered strand live line of a power supply line, which prevents secondary breakage from further loss expansion caused by external repairing force in the repairing process by arranging a tractor, prevents danger from further breakage in the repairing process, solves the problem of influence of temperature rise on the repairing process caused by reduction of the conductive area of broken strand and scattered strand based on the arrangement of a bypass conductive insulating cable, and also prevents the problem of thorough disconnection and power failure of the line caused by breakage in the repairing process.

Description

10 kilovolt circuit broken strand live bypass repair safe operation fastening device

Technical Field

The utility model relates to the technical field of power maintenance equipment, in particular to a safety operation fastening device for repairing a broken strand live bypass of a 10 kilovolt line.

Background

Broken strands of the high-voltage transmission line ground lead are common defects in operation and maintenance, and the broken strands can influence the current-carrying capacity of the line, cause corona and reduce the mechanical properties of the line. The broken wire of the ground wire is a serious fault which still occurs at present, and at present, the mode generally adopted is rush repair after power failure, but the maintenance difficulty is high and the power failure time is long. Therefore, in the case where there is a possibility, an operation mode of live repair also occurs.

In the live repair process of broken strands and scattered strands of high-voltage wires in the prior art, the personal safety of live operators is seriously jeopardized under the condition that the number of the residual strands of the cable at the broken strands is small, deformation cracks are easy to occur in the number of the residual strands, the broken strands also mean that the conductive area is seriously reduced, so that the broken strands and the scattered strands can generate high temperature under the electrified state, meanwhile, the cable can be inevitably subjected to external force action in the repair process, once the cable is completely disconnected due to the influence of the external force, mechanical injury and electric shock are caused to the personnel due to irregular bouncing when the electric wires are disconnected, arc light is likely to be generated based on high voltage, the common arc light high temperature exceeds 1000, and the personal safety of the live operators is seriously jeopardized.

Disclosure of Invention

Based on the above problems, the present utility model aims to provide a protection device capable of protecting measures such as secondary bypass fastening and electric conduction of a cable to be repaired in live repair operation of broken strands and loose strands of a power supply cable, so as to ensure the safety of operators.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the safe operation fastening device for repairing the broken strand live bypass of the 10 kilovolt line comprises a fixed static end, a fixed traction moving end, a tractor and a bypass current conducting structure, wherein the fixed static end and the fixed traction moving end both comprise a fixed base and a conductive fixed pressing plate; the tractor comprises an insulating traction nylon belt and a rolling curtain type traction assembly, and the bypass current conducting structure comprises a bypass conductive insulating cable and a fastening pressing plate.

As a further setting of above-mentioned scheme, fixed quiet end and fixed traction move the end through electrically conductive fixed clamp plate is fixed with unable adjustment base to the centre gripping of power supply cable, and both centre gripping are fixed respectively in the both sides of the broken strand of power supply cable loose.

As a further arrangement of the scheme, the bypass conductive insulating cable and the power supply cable are electrically connected and conducted through the single-side fixed base, and the bypass conductive insulating cable and the power supply cable are connected and conducted through the fixed base bypass of the fixed static end and the fixed traction end, which are respectively connected with the two ends of the bypass conductive insulating cable, to form two-side circuits with broken strands.

As a further setting of above-mentioned scheme, electrically conductive fixed clamp plate and fastening clamp plate pass through the bolt fastening on unable adjustment base, unable adjustment base corresponds the department and still is provided with the line ball recess.

As a further arrangement of the scheme, the roller shutter type traction assembly comprises a nylon belt shaft and a tightening swing handle with a unidirectional ratchet wheel, and the length of the insulating traction nylon belt is longer than that of the bypass conductive insulating cable.

As a further arrangement of the scheme, the fixed base is arranged in an L shape or a T shape, and at least two groups of retractors are arranged on the T-shaped fixed base.

The beneficial effects are that: according to the power supply line broken strand and scattered strand live-line repair safety protection device, the traction on two sides of the cable to be repaired is achieved through the traction device, the problem that the line is thoroughly disconnected and powered off due to the fact that the broken strand is broken in the repair process is solved, the problem that the broken strand and scattered strand is reduced in conductive area and the temperature rises and affects the repair process is solved, the problem that the line is thoroughly disconnected and powered off due to the fact that the repair process is broken is solved, the problem that a bypass current conducting structure is adopted due to fastening measures of the cable to be repaired, and accidents in the repair process and potential safety hazards of live-line operators are avoided.

Drawings

Fig. 1 is a schematic view of the structure of the device of the present utility model.

Fig. 2 is a schematic view of the retractor of the present embodiment.

Reference numerals: 1. fixing the static end; 11. a fixed base; 12. a conductive fixed platen; 13. a wire pressing groove; 14. a bolt; 2. fixing a traction end; 21. fastening the pressing plate; 3. a bypass current conducting structure; 31. bypass conductive insulated cable; 4. a retractor; 41. an insulating traction nylon belt; 42. a roller shutter type traction assembly; 44. a nylon belt shaft; 45. tightening the swing handle; 48. a one-way ratchet; 9. and a power supply cable.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present application and the features in the embodiments may be combined with each other without conflicting with each other.

The safety operation fastening device for repairing the 10 kilovolt line broken strand live bypass comprises a fixed static end 1, a fixed traction moving end 2, a tractor 4 and a bypass current conducting structure 3, wherein the fixed static end 1 and the fixed traction moving end 2 comprise a fixed base 11 and a conductive fixed pressing plate 12; the retractor 4 comprises an insulating traction nylon belt 41 and a rolling curtain type traction assembly 42, and the bypass current conducting structure 3 comprises a bypass conductive insulating cable 31 and a fastening pressing plate 21.

As a further arrangement of the above scheme, the fixed stationary end 1 and the fixed traction end 2 are fixed to the power supply cable 9 by the clamping of the conductive fixed pressing plate 12 and the fixed base 11, and the fixed stationary end and the fixed traction end are respectively clamped and fixed on two sides of the power supply cable 9 with broken strands.

As a further arrangement of the above scheme, the bypass conductive insulating cable 31 and the power supply cable 9 are electrically connected and conducted through the single-side fixed base 11, and the bypass conductive insulating cable 31 is connected with the fixed base 11 of the fixed stationary end 1 and the fixed traction end 2 respectively, so as to bypass and conduct the circuits on two sides of the broken strand of the power supply cable 9.

As a further arrangement of the above scheme, the conductive fixed pressing plate 12 and the fastening pressing plate 21 are fixed on the fixed base 11 through bolts 14, and a wire pressing groove 13 is further arranged at a corresponding position of the fixed base 11.

As a further arrangement of the above, the roller blind pulling assembly 42 includes a nylon strap shaft 44, a tightening swing 45 with a one-way ratchet 48, and the insulating pulling nylon strap 41 is longer than the bypass conductive insulated cable 31.

As a further arrangement of the above solution, the fixing base 11 is configured in an L-shape or a T-shape, and at least two sets of retractors 4 are provided on the T-shaped fixing base 11.

According to the protection device, in the live working process of cable strand breakage and strand breakage repair, the existing cables are further broken, the problem that personnel safety of maintenance repair staff is threatened is solved, the fixed static end 1 and the fixed traction movable end 2 which are arranged on two sides of the cable to be repaired are adopted, the distance to be repaired is adjusted based on the movable arrangement of the fixed traction movable end 2 relative to the fixed static end 1, further, the traction device 4 is arranged on the fixed static end 1 and the fixed traction movable end 2, in the repair process, once the repair part is thoroughly broken, the traction device 4 can continuously provide traction force, the problem that the cables on two sides fall from high altitude after being broken is avoided, and then the bypass current conducting structure 3 which is simultaneously arranged with the traction device 4 can ensure that current is still normally conducted after the cable is broken, the problem that the broken line and the power is interrupted is not generated is avoided, the problem that the cable is instantaneously current is changed is solved, in addition, the problem that the traction device 4 is arranged on the basis of the design scheme of the figure 1 of the embodiment is further, the traction device is further considered, namely, the traction device 4 is arranged on the fixed static end 1 is arranged on the basis of the two sides, namely, the traction device is in the middle of the traction device is further, the traction device is in the middle of the fixed end 2, and the traction device is in the state is further, the power supply is in the state is easy, and the traction device is further is in the middle of the fixed end 2, and the traction device is in the state is easy to be arranged, and the traction device is in the middle, and the state is in the state is the traction device is the fixed, and is the device is in the state 2.

Further, the present embodiment is further characterized in that, considering that the broken strands scatter strands to cause the influence of the conductive area, after the setting of the present embodiment is completed, the bypass conductive insulation cable 31 conducts through the fixed static end 1 and the fixed traction end 2, so that the bypass conduction is conducted to the to-be-repaired place, therefore, no matter in the process of further breaking or repairing the broken strands, the influence caused by the broken strands can be reduced, and it is worth noting that after the conductive fixed pressing plate 12 and the fastening pressing plate 21 fixedly connect the power supply cable 9 or the bypass conductive insulation cable 31 on the fixed static end 1 and the fixed traction end 2 through the bolts 14, the circuits of the fixed static end 1 and the fixed traction end 2 are conducted, that is, the fixed static end 1 and the fixed traction end 2 also adopt the conductive design, and the built-in conductive module can be connected with the cable through the puncture or the wire clamping mode, or the built-in conductive module can be directly contacted with the cable core by adopting the metal conductive material.

Further, the retractor 4 of this embodiment includes an insulation traction nylon belt 41 for drawing up, pulling both sides, i.e. fixing the static end 1 and fixing the traction end 2, the insulation traction nylon belt 41 is adopted to avoid forming secondary parallel connection, and based on the insulation skin layer of the bypass conductive insulation cable 31, the insulation traction nylon belt 41 and the bypass conductive insulation cable 31 can be used as an insulation safety zone for carrying out live repair of the cable, the retractor 4 is further provided with a rolling curtain type traction assembly 42, and the purpose of setting the rolling curtain type traction assembly 42 is mainly to control the length of the insulation traction nylon belt 41 relative to the power supply cable 9, and the ratchet tightening device purchased in the market in the prior art is referred to.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. A10 kilovolt line broken strand live bypass repair safe operation fastening device is characterized in that: the electric power generation device comprises a fixed static end (1), a fixed traction moving end (2), a tractor (4) and a bypass current conducting structure (3), wherein the fixed static end (1) and the fixed traction moving end (2) comprise a fixed base (11) and a conductive fixed pressing plate (12); the tractor (4) comprises an insulating traction nylon belt (41) and a rolling curtain type traction assembly (42), and the bypass current conduction structure (3) comprises a bypass conductive insulating cable (31) and a fastening pressing plate (21).

2. The apparatus according to claim 1, wherein: the fixed static end (1) and the fixed traction end (2) are fixed to the power supply cable (9) through the clamping of the conductive fixed pressing plate (12) and the fixed base (11), and the fixed static end and the fixed traction end are respectively clamped and fixed on two sides of the scattered strand breakage of the power supply cable (9).

3. The apparatus according to claim 2, wherein: the bypass conductive insulating cable (31) and the power supply cable (9) are electrically connected and conducted through the single-side fixed base (11), and bypass conduction is conducted on two side circuits of the scattered strand breakage of the power supply cable (9) through the fixed static end (1) and the fixed base (11) of the fixed traction end (2) which are respectively connected at two ends of the bypass conductive insulating cable (31).

4. The apparatus according to claim 1, wherein: the conductive fixing pressing plate (12) and the fastening pressing plate (21) are fixed on the fixing base (11) through bolts (14), and a pressing line groove (13) is further formed in the corresponding position of the fixing base (11).

5. The apparatus according to claim 1, wherein: the roller shutter type traction assembly (42) comprises a nylon belt shaft (44) and a tightening swing handle (45) with a unidirectional ratchet wheel (48), and the length of the insulating traction nylon belt (41) is larger than that of the bypass conductive insulating cable (31).

6. The apparatus according to claim 1, wherein: the fixed base (11) is L-shaped or T-shaped, and at least two groups of retractors (4) are arranged on the T-shaped fixed base (11).