CN217036053U

CN217036053U - System for improving personal safety of power failure maintenance

Info

Publication number: CN217036053U
Application number: CN202220452116.9U
Authority: CN
Inventors: 林潮雄; 王火莲; 聂国勇; 邓晔; 占述文; 程华新; 邓陈杰; 张科柏; 吴国文
Original assignee: State Grid Fujian Electric Power Co Ltd Zhangping Power Supply Co; State Grid Fujian Electric Power Co Ltd
Current assignee: State Grid Fujian Electric Power Co Ltd Zhangping Power Supply Co; State Grid Fujian Electric Power Co Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-22
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to a system for improving the personal safety of power failure maintenance, belonging to the technical field of safety auxiliary equipment. The electric pole comprises an electric pole, a cross arm is arranged on the electric pole and used for supporting a cable, the electric pole further comprises an equipotential line, the two ends of the equipotential line are respectively and electrically connected with a U-shaped clamp, the middle part of the equipotential line is electrically connected with a conductive clamp, leading-out steel bars are arranged in the electric pole, the two ends of the leading-out steel bars are respectively penetrated out of the electric pole, the U-shaped clamps are respectively used for clamping the electric pole and the cable, and the conductive clamps are used for clamping the cross arm. The utility model solves the problem that the grounding wire in the prior art cannot play a short-circuit protection role during single-phase power-on and the like.

Description

System for improving personal safety of power failure maintenance

Technical Field

The utility model relates to a system for improving the personal safety of power failure maintenance, belonging to the technical field of safety auxiliary equipment.

Background

At present, in the power grid power failure maintenance operation, the technical measures adopted are as follows: the grounding is one of the most important measures for ensuring that an operator does not get an electric shock, can release residual charges and induced charges in power grid equipment, plays a role in short-circuit protection when the power grid suddenly calls, protects the personal safety of the operator, and is a life line of the operator.

Under most conditions, safety measures such as power failure, grounding and the like are taken, so that the working personnel can be ensured not to get an electric shock; when the power failure maintenance line is powered on, the grounding wire can not play a role in short circuit protection when only one phase of power is suddenly supplied, and large current can not be generated on the line, so that the voltage drop generated on the line is very small, the grounding wire can not play a role in short circuit protection when a higher residual voltage is formed in the protection range of the grounding wire, and the personal safety of power failure maintenance workers can not be reliably protected.

The ground wire in the prior art cannot play a role in short-circuit protection during single-phase power-on, and the like, so the utility model provides a system for improving the personal safety of power failure maintenance, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the conventional grounding wire cannot play a role in short-circuit protection and the like during single-phase power supply, the utility model designs a system for improving the personal safety of power failure maintenance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an improve system that has a power failure and overhauls personal safety, include the pole be provided with the cross arm on the pole, the cross arm is used for the supporting cable, still includes the equipotential line, equipotential line both ends electricity respectively are connected with the U-shaped clamp, equipotential line middle part electricity is connected with electrically conductive clamp, be provided with the extraction reinforcing bar in the pole, the pole is worn out respectively at extraction reinforcing bar both ends, the U-shaped clamp is used for pressing from both sides tight pole and cable respectively, electrically conductive clamp is used for pressing from both sides tight cross arm.

And a layer of zinc is plated outside the leading-out steel bar.

The U-shaped clamp comprises a U-shaped head, a pair of line pressing tongues are arranged between two side arms of the U-shaped head, the line pressing tongues are arranged in a bilateral symmetry mode and are electrically connected with the U-shaped clamp, the top ends of the line pressing tongues are rotatably connected with the U-shaped head, recesses are formed in the bottom ends of the line pressing tongues, spring pieces are arranged on one sides of the line pressing tongues close to the U-shaped head, and the two ends of each spring piece are respectively connected with the line pressing tongues and the U-shaped head; and a handle rod is fixedly arranged at the bottom end of the U-shaped head.

The wire pressing tongues are connected with connecting wires and are electrically connected with the U-shaped heads through the connecting wires; a graphite layer is arranged on the lower concave.

The handle rod comprises a vertical rod and an insulating sleeve, the vertical rod is fixedly connected to the bottom end of the U-shaped head, and the insulating sleeve is sleeved outside the vertical rod.

And a bolt is connected to one side of the U-shaped head in a threaded manner and used for pressing the equipotential lines, and the number of the bolts is at least two.

Compared with the prior art, the utility model has the following characteristics and beneficial effects: according to the utility model, through the arrangement of the leading-out steel bars, the equipotential lines, the U-shaped clamps and the conductive clamps, when a single-phase incoming call is received, the electric poles, the cross arms and the overhaul lines have the equipotential and have no potential difference, so that the safety of constructors is ensured;

according to the utility model, through the structural arrangement of the U-shaped clamp, the cable and the leading-out steel bar can be clamped more simply and conveniently, the mounting and dismounting efficiency is accelerated, and the construction efficiency is increased;

according to the utility model, the lead-out steel bar is subjected to zinc plating treatment, so that the conductivity of the lead-out steel bar is increased.

Drawings

FIG. 1 is a schematic view of the connection structure of the present invention;

FIG. 2 is a schematic diagram of the connection structure of equipotential lines of the present invention;

fig. 3 is a partial enlarged view of a in fig. 2 according to the present invention.

Wherein the reference numerals are: 1. an electric pole; 2. a cross arm; 3. a cable; 10. leading out steel bars; 20. an equipotential line; 21. a U-shaped clamp; 211. a U-shaped head; 212. pressing the line tongue; 2121. sinking; 2122. a connecting wire; 2123. a graphite layer; 213. a spring plate; 214. a bolt; 215. a handle bar; 2151. erecting a rod; 2152. an insulating sleeve; 22. a conductive clip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-3, the system for improving the personal safety of power failure overhaul of the present embodiment includes an electric pole 1, a cross arm 2 is disposed on the electric pole 1, the cross arm 2 is used for supporting a cable 3, and further includes an equipotential line 20, two ends of the equipotential line 20 are electrically connected to a U-shaped clamp 21 respectively, a conductive clamp 22 is electrically connected to a middle portion of the equipotential line 20, a leading-out steel bar 10 is disposed in the electric pole 1, two ends of the leading-out steel bar 10 penetrate out of the electric pole 1 respectively, the U-shaped clamp 21 is used for clamping the electric pole 1 and the cable 3 respectively, and the conductive clamp 22 is used for clamping the cross arm 2.

Further, a layer of zinc is plated outside the leading-out reinforcing steel bars 10.

Further, the U-shaped clip 21 comprises a U-shaped head 211, a pair of line pressing tongues 212 are arranged between two side arms of the U-shaped head 211, the line pressing tongues 212 are arranged in a left-right symmetry manner and are electrically connected with the U-shaped clip 21, the top ends of the line pressing tongues 212 are rotatably connected with the U-shaped head 211, the bottom ends of the line pressing tongues 212 are provided with recesses 2121, one side of each line pressing tongue 212 close to the U-shaped head 211 is provided with a spring piece 213, and two ends of each spring piece 213 are respectively connected with the line pressing tongues 212 and the U-shaped head 211; the bottom end of the U-shaped head 211 is fixedly provided with a handle rod 215.

Furthermore, the wire pressing tongues 212 are connected with connecting wires 2122, and the wire pressing tongues 212 are electrically connected with the U-shaped heads 211 through the connecting wires 2122, so that the reliability of the electrical connection between the wire pressing tongues 212 and the U-shaped heads 211 is ensured; graphite layers 2123 are arranged on the concave recesses 2121, and the conductivity of the pressing line tongues 212 is increased by the graphite layers 2123.

Further, the handle bar 215 comprises a vertical rod 2151 and an insulating sleeve 2152, the vertical rod 2151 is fixedly connected to the bottom end of the U-shaped head 211, the insulating sleeve 2152 is sleeved outside the vertical rod 2151, the handle bar 215 is convenient to operate on the U-shaped head 211, and meanwhile the insulating sleeve 2152 increases the operation safety.

Furthermore, a bolt 214 is connected to one side of the U-shaped head 211 in a threaded manner, the bolt 214 is used for pressing the equipotential lines 20, the number of the bolts 214 is at least two, and the bolt 214 reinforces the connection between the equipotential lines 20 and the U-shaped head 211, so that the electrical connection between the U-shaped head 211 and the equipotential lines 20 is more reliable.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

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

Claims

1. The utility model provides an improve system that has a power failure and overhauls personal safety, include pole (1) be provided with cross arm (2) on pole (1), cross arm (2) are used for supporting cable (3), its characterized in that: the cable is characterized by further comprising an equipotential line (20), wherein two ends of the equipotential line (20) are respectively and electrically connected with a U-shaped clamp (21), the middle of the equipotential line (20) is electrically connected with a conductive clamp (22), leading-out steel bars (10) are arranged in the electric pole (1), two ends of the leading-out steel bars (10) respectively penetrate out of the electric pole (1), the U-shaped clamps (21) are respectively used for clamping the electric pole (1) and a cable (3), and the conductive clamps (22) are used for clamping a cross arm (2).

2. The system for improving personal safety in blackout maintenance according to claim 1, wherein: and a layer of zinc is plated outside the leading-out reinforcing steel bars (10).

3. The system for improving personal safety in blackout maintenance according to claim 1, wherein: the U-shaped clamp (21) comprises a U-shaped head (211), a pair of line pressing tongues (212) is arranged between two side arms of the U-shaped head (211), the line pressing tongues (212) are arranged in a bilateral symmetry mode and are electrically connected with the U-shaped clamp (21), the top ends of the line pressing tongues (212) are rotatably connected with the U-shaped head (211), recesses (2121) are formed in the bottom ends of the line pressing tongues (212), spring pieces (213) are arranged on one sides, close to the U-shaped head (211), of the line pressing tongues (212), and two ends of each spring piece (213) are respectively connected with the line pressing tongues (212) and the U-shaped head (211); the bottom end of the U-shaped head (211) is fixedly provided with a handle rod (215).

4. The system for improving personal safety in blackout maintenance according to claim 3, wherein: the wire pressing tongues (212) are connected with connecting wires (2122), and the wire pressing tongues (212) are electrically connected with the U-shaped heads (211) through the connecting wires (2122); and a graphite layer (2123) is arranged on the lower recess (2121).

5. The system for improving personal safety in blackout maintenance according to claim 3, wherein: the handle rod (215) comprises a vertical rod (2151) and an insulating sleeve (2152), the vertical rod (2151) is fixedly connected to the bottom end of the U-shaped head (211), and the insulating sleeve (2152) is sleeved outside the vertical rod (2151).

6. The system for improving personnel safety in blackout maintenance according to claim 5, wherein: one side of the U-shaped head (211) is in threaded connection with a bolt (214), the bolt (214) is used for pressing the equipotential lines (20), and the number of the bolts (214) is at least two.