CN210866547U - A grounding protection device for overhead lines - Google Patents

Abstract

The utility model discloses a grounding protection device for overhead lines, which comprises a rotating wheel, a conductive end, a conductive connecting rod and a detector; the utility model discloses a circuit connection port, including electrically conductive end, rotating wheel, electrically conductive connecting rod, electrically conductive end, rotating gear, dwang, the end of electrically conductive connecting rod has the stiff end, and the side-mounting of stiff end has the line connection port. The device has the puncture in the electrically conductive end, can contact in with the overhead line, can detect whether have the signal of telecommunication in the overhead line through the controller, and is safe effective.

Description

A grounding protection device for overhead lines

technical field

The utility model belongs to the technical field of electric power, and relates to a grounding protection device for overhead lines.

Background technique

At present, most of the distribution network lines in the power system use overhead insulated wires, and the way of hanging the grounding wire adopts the method of installing the grounding ring on the insulated wire and then hanging the grounding method. There are three major problems: 1. The installation position of the grounding ring is limited, and the Each construction point can be configured in place, and cannot be grounded according to the actual situation. 2. Temporarily adding a grounding ring, and it is impossible to conduct electricity inspection, there is a safety risk. Failure to install a grounding wire is a type of violation. 3. There are too many grounding rings installed on the insulated wire, which is very unsightly. At the same time, there are too many exposed points on the line, which affects the insulation level and poses a safety hazard. The development of a puncture grounding wire can solve the above problem, which is of great significance to the safe operation of the power grid.

Utility model content

In order to solve the above problems, the utility model is a grounding protection device for overhead lines. The conductive end of the device has a puncture, which can be in contact with the overhead line. The controller can detect whether there is an electrical signal in the overhead line, which is safe. efficient.

The utility model provides a grounding protection device for overhead lines, comprising a rotating wheel, a conductive end, a conductive connecting rod and a detector; the rotating wheel is installed on the conductive end, and the conductive connecting rod is installed under the conductive end A rotating gear is installed in the conductive end, a rotating rod is installed in the conductive connecting rod, the end of the conductive connecting rod has a fixed end, and a line connection port is installed on the side of the fixed end.

Further, the detector includes an incoming line end, an outgoing line end, a controller, a conductive rod and a current alarm, the incoming line end is installed on the left side of the detector, and the outgoing line end is installed on the right side of the detector, so The conductive rod is installed in the detector, the incoming wire end and the outgoing wire end are connected by the conductive rod, the current alarm is installed on the conductive rod; the controller is installed on the detector.

Further, the controller includes a display, a central processing unit, an internal alarm horn, a power input port and an analog input port, the display is connected to the central processing unit, and the internal alarm horn is connected to the signal output of the central processing unit through a connecting line. The signal input end of the central processing unit is connected to the analog input port, the power input port is connected to the 220V AC power supply, and the analog input port is connected to the current alarm through the connecting line.

Further, the rotating wheel is arc-shaped and is installed in the conductive end. The outer side of the rotating wheel has clamping teeth, and the clamping teeth are engaged with the clamping teeth on the rotating gear in the conductive end. The inner side of the rotating wheel has teeth. Spike.

Further, the conductive end has an arc-shaped through hole, a rotating gear is installed in the conductive end, and the right side of the conductive end has a circular convex metal object, and the metal object has a spike.

Further, the fixed end is mounted on the lower end of the conductive connecting rod, and the fixed end has a circular through hole in it, and the inner side of the circular through hole has an inner thread.

Further, the conductive connecting rod has a circular through hole inside, a rotating rod is installed in the circular through hole, and one end of the rotating rod has a threaded clamping gear, and the clamping gear is engaged with the clamping teeth of the rotating gear, A knob is installed at the other end of the rotating rod, and the rotating rod at the knob has an external thread, which is engaged with the internal thread on the fixed end.

Description of drawings

1 is a schematic diagram of the internal structure of a grounding protection device for overhead lines of the utility model;

Fig. 2 is the external schematic diagram of a grounding protection device detector for overhead lines of the utility model;

FIG. 3 is a schematic diagram of the interior of a grounding protection device detector for overhead lines of the utility model.

In the figure: 1. Rotating wheel; 2. Conductive end; 3. Rotating gear; 4. Rotating rod; 5. Conductive connecting rod; 6. Fixed end; 7. Line connection port; 8. Incoming line end; 9. Outgoing line end ; 10. Controller; 11. Conductive rod; 12. Current alarm.

Detailed ways

The specific embodiments of a grounding protection device for overhead lines of the utility model will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , the present utility model provides a grounding protection device for overhead lines, comprising a rotating wheel 1 , a conductive end 2 , a conductive connecting rod 5 and a detector; the rotating wheel 1 is installed on the conductive end 2 , the conductive connecting rod 5 is installed on the lower side of the conductive end 2, the rotating gear 3 is installed in the conductive end 2, the rotating rod 4 is installed in the conductive connecting rod 5, and the end of the conductive connecting rod 5 has Fixed end 6, a line connection port 7 is installed on the side of the fixed end 6. The device rotates the rotating rod 4 to drive the rotating gear 3, thereby driving the rotation of the rotating wheel 1, and the overhead line is clamped in the rotating wheel 1 and the conductive end 2, and then the line connection port 7 on the conductive connecting rod 5 is connected with the conductive wire. detector is connected.

As shown in Figure 2-3, the detector includes an incoming line end 8, an outgoing line end 9, a controller 10, a conductive rod 11 and a current alarm 12. The incoming line end 8 is installed on the left side of the detector, so The outgoing line end 9 is installed on the right side of the detector, the conductive rod 11 is installed in the detector, the incoming line end 8 and the outgoing line end 9 are connected through the conductive rod 11, and the current alarm 12 is installed on the conductive rod 11. ; The controller 10 is installed on the detector. The incoming end 8 of the detector is connected to the conductive connecting rod 5, the outgoing end 9 of the detector is connected to the ground through a wire, and the conductive bar 11 can be connected to both sides of the incoming end 8 and the outgoing end 9. When there is current on the overhead line When , the conductive rod 11 transmits the current to the ground, and the current alarm 12 can detect the current signal.

Further, the controller 10 includes a display, a central processing unit, an internal alarm horn, a power input port and an analog input port, the display is connected to the central processing unit, and the internal alarm horn is connected to the signal of the central processing unit through a connecting line. The output end is connected, the signal input end of the central processing unit is connected with the analog input port, the power input port is connected to the 220V AC power supply, and the analog input port is connected with the current alarm 12 through the connecting line. The upper limit value of the current can be set on the display. When there is current in the overhead line; when the current alarm 12 in the detector detects that the current reaches the upper limit value of the current set by the display, the internal alarm horn will alarm and notify the Staff to evacuate safely.

Further, the rotating wheel 1 is arc-shaped, and is installed in the conductive end 2. The outer side of the rotating wheel 1 has locking teeth, and the locking teeth engage with the locking teeth on the rotating gear 3 in the conductive end 2. The inner side of the rotating wheel 1 has spikes. The rotating wheel 1 meshes with the rotating gear 3 through the outer teeth to control the rotation of the rotating wheel 1. The spikes on the inner side of the rotating wheel 1 can fully contact the overhead line, and can also prevent the overhead line from falling off in the rotating wheel 1.

Further, the conductive end 2 has an arc-shaped through hole, a rotating gear 3 is installed in the conductive end 2, and the right side of the conductive end 2 has a circular convex metal object with a spike on the metal object. The thorns of the convex metal objects can be combined with the thorns on the rotating wheel 1 to prevent the overhead wire from falling off in the device

Further, the fixed end 6 is installed on the lower end of the conductive connecting rod 5, and the fixed end 6 has a circular through hole in it, and the inner side of the circular through hole has an inner thread. The internal thread in the circular through hole engages with the rotating rod 4 .

Further, the conductive connecting rod 5 has a circular through hole inside, and the rotating rod 4 is installed in the circular through hole. The teeth engage, and a knob is installed at the other end of the rotating rod 4 . The knob controls the rotation of the rotating rod 4 through the circular through hole under the fixed end 6 and the rotation of the threaded card gear, so as to drive the rotation of the rotating wheel 1 .

Finally, it should be noted that the technical solutions of the present utility model are only described in conjunction with the above embodiments, but not limited thereto. Those skilled in the art should understand that those skilled in the art can modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes are all within the protection scope of the pending claims.

Claims (7)

1. A grounding protection device for an overhead line is characterized by comprising a rotating wheel, a conductive end, a conductive connecting rod and a detector; the utility model discloses a circuit connection port, including electrically conductive end, rotating wheel, electrically conductive connecting rod, electrically conductive end, rotating gear, dwang, the end of electrically conductive connecting rod has the stiff end, and the side-mounting of stiff end has the line connection port.

2. The ground protection device for the overhead line according to claim 1, wherein the detector comprises an incoming line end, an outgoing line end, a controller, a conducting rod and a current alarm, the incoming line end is installed on the left side of the detector, the outgoing line end is installed on the right side of the detector, the conducting rod is installed in the detector, the incoming line end and the outgoing line end are connected through the conducting rod, and the current alarm is installed on the conducting rod; the controller is mounted on the detector.

3. The ground protection device for the overhead line of claim 2, wherein the controller comprises a display, a central processing unit, an internal alarm horn, a power input port and an analog input port, the display is connected with the central processing unit, the internal alarm horn is connected with a signal output end of the central processing unit through a connecting wire, the signal input end of the central processing unit is connected with the analog input port, the power input port is connected with a 220V alternating current power supply, and the analog input port is connected with the current alarm through a connecting wire.

4. The ground protection device for the overhead line of claim 1, wherein the rotating wheel is arc-shaped and is installed in the conductive end, the outer side of the rotating wheel is provided with a latch, the latch is engaged with the latch on the rotating gear in the conductive end, and the inner side of the rotating wheel is provided with a spike.

5. The ground protection device for the overhead line of claim 1, wherein the conductive end has a circular arc through hole, a rotating gear is installed in the conductive end, and a circular convex metal object is provided on the right side of the conductive end and provided with spikes.

6. The ground protection device for overhead lines of claim 1, wherein said fixing end is mounted on the lower end of the conductive connecting rod, and has a circular through hole with an internal thread inside.

7. The ground protection device for the overhead line of claim 1, wherein the conductive connection rod has a circular through hole inside, a rotation rod is installed in the circular through hole, one end of the rotation rod has a thread-shaped latch gear engaged with the latch of the rotation gear, and the other end of the rotation rod has a knob installed thereon, the rotation rod at the knob has an external thread engaged with the internal thread at the fixed end.

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