CN210692809U

CN210692809U - Overhead line grounding device

Info

Publication number: CN210692809U
Application number: CN201922022123.6U
Authority: CN
Inventors: 林忠喜; 曾国忠; 游晓瑛; 陈振勇; 许泽军; 陈东临; 柯金豪; 郑智先; 庄小东
Original assignee: State Grid Fujian Electric Power Co Ltd; Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: State Grid Fujian Electric Power Co Ltd; Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-05
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an overhead line grounding device, which is provided with a hanging part, a clamping ring and an incoming call alarm device, wherein the hanging part is hung and matched with the grounding ring in the overhead line, the clamping ring is positioned at the bottom end of the grounding line, and the incoming call alarm device is positioned at the side surface of the grounding line; the operating rod is provided with a clamping hook which is in rotating fit with the operating rod and a transmission mechanism which is in transmission connection with the clamping hook, the clamping hook is in clamping fit with the clamping ring, and the clamping hook rotates between a position for clamping the clamping ring and a position for loosening the clamping ring; the grounding electrode is provided with a grounding inserted bar, and the grounding inserted bar is provided with a limiting disc; and one end of the grounding wire is connected with the grounding inserted bar, the other end of the grounding wire is connected with the grounding wire clamp, and the grounding wire is wound on the grounding wire coil. Because three earth clamp is hung and is put on overhead line and not be connected with the action bars for operating personnel is difficult to touch the action bars, and then is difficult to touch the earth connection, has guaranteed safety.

Description

Overhead line grounding device

Technical Field

The utility model relates to an overhead line earthing device.

Background

At present, when an overhead line of a power distribution network of a power system is overhauled in a power failure mode, the short circuit grounding device consists of an insulating operating rod, a hook and a grounding copper wire, the insulating rod is fixedly connected with the hook, and the grounding copper wire is connected to the tail of the hook through screws. When the line is overhauled, the hook is hung on the overhead line, the operating rod and the grounding copper wire are tightly attached to the bottom surface of the vertical line under the action of gravity, the grounding copper wire is easily contacted with the body of an operator, and potential safety hazards exist. Secondly, during the operation of earthing at night, the operator can't see the concrete position of ground ring clearly, leads to unable and ground ring to articulate fast. And, at present more and more adoption insulated wire of distribution network, earthing device can only hang and establish on testing electric ground loop, because it is generally far away from the pole to test electric ground loop, when hanging and establishing earthing device, operating personnel can only slant operation insulator spindle on the pole, but when dismantling, because the operating rod is far away from the pole, operating personnel is difficult to take off earthing device fast, can only draw the operating rod to the pole with the help of other objects, and this kind of operation has the potential safety hazard equally.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overhead line earthing device, it has overcome the not enough that the background art exists. The utility model provides a technical scheme that its technical problem adopted is:

an overhead line grounding device comprising:

the grounding wire clamp is provided with a hanging part, a clamping ring and an incoming call alarm device, the hanging part is in hanging fit with the grounding ring in the overhead line, the clamping ring is positioned at the bottom end of the grounding wire clamp, and the incoming call alarm device is positioned on the side surface of the grounding wire clamp;

the operating rod is provided with a clamping hook which is in rotating fit with the operating rod and a transmission mechanism which is in transmission connection with the clamping hook, the clamping hook is in clamping fit with the clamping ring, and the clamping hook rotates between a position for clamping the clamping ring and a position for loosening the clamping ring;

the grounding electrode is provided with a grounding inserted bar, and the grounding inserted bar is provided with a limiting disc;

earth connection and ground connection drum, earth connection one end is connected with the ground connection inserted bar, and the earth connection other end is connected with the earth clamp, and the earth connection is on the ground connection drum in the winding.

In a preferred embodiment: the operating rod is also provided with a lighting device.

In a preferred embodiment: the operating rod is provided with a plurality of operating rods, and the length of each operating rod is different.

In a preferred embodiment: the limiting disc comprises a limiting disc body and a limiting boss fixedly connected to the bottom surface of the limiting disc body.

In a preferred embodiment: the distance between the limiting disc body and the bottom end of the grounding inserted rod is 0.5-0.7 m.

In a preferred embodiment: the distance between the limiting disc body and the bottom end of the grounding inserted bar is 0.6 m.

In a preferred embodiment: the transmission mechanism comprises a transmission rod, the clamping hook is hinged to the top end of the operating rod, the transmission rod is movably sleeved in the operating rod, and the top end of the transmission rod is fixedly connected with the clamping hook.

Compared with the background technology, the technical scheme has the following advantages:

1. the device is used as follows: because overhead line adopts three-phase voltage, need hang and put three earth connection, consequently, need an action bars, three earth clamp, three earth connection, three ground wire coil, three earthing pole:

firstly, one of the grounding electrodes is grounded, one end of a grounding wire on one of the wiring disks is connected with the grounding electrode, the other end of the grounding wire is connected with one of the grounding wire clamps, then, the clamping hook is clamped on the clamping ring through the transmission mechanism so as to relatively fix the operating rod and the grounding wire clamp, then, the grounding wire clamp is hung on one of the grounding rings of the overhead line, the transmission mechanism is controlled so as to separate the clamping hook from the clamping ring, so that the operating rod is separated from the grounding wire clamp, and the grounding operation of one phase of circuit is completed;

and then, repeating the steps, hanging the other two grounding wire clamps with the grounding ring through the same operating rod, and finally separating and taking down the operating rod from the grounding wire clamps. At the moment, the three grounding wire clamps are hung on the overhead line and are not connected with the operating rod, so that an operator is not easy to touch the operating rod, and further is not easy to touch the grounding wire, and the safety is ensured. And moreover, an operator does not need to hold the three operating rods and the three grounding wire clamps for operation, and the load weight of the operator is greatly reduced.

2. The operating rod is also provided with a lighting device, so that an operator can conveniently operate at night, and the specific position of the grounding ring can be quickly seen.

3. The operating rod is equipped with many and every length inequality, and the operator can select the operating rod of suitable length to use according to the overhead line of co-altitude not, and it is more convenient to use.

4. Spacing dish includes spacing disk body and the spacing boss of rigid coupling in spacing disk body bottom surface, inserts the degree of depth on ground that the ground in-process accessible learns to insert when the ground connection inserted bar to press from both sides tightly subaerial in order to fix the ground pole through spacing boss.

5. The distance between the limiting disc and the bottom end of the grounding inserted bar is 0.5-0.7 m, which is the better length for the grounding inserted bar to be inserted into the ground.

6. The distance between the limiting disc and the bottom end of the grounding inserted bar is 0.6 m, which is the optimal length for the grounding inserted bar to be inserted into the ground

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a ground clip.

Fig. 2 is a schematic structural view of the operation rod.

FIG. 3 is a schematic diagram of a structure of a ground electrode.

Fig. 4 is a schematic diagram showing the structure of the ground wire coil.

Detailed Description

Referring to fig. 1 to 4, a preferred embodiment of an overhead wire grounding device includes a ground clip 10, an operating rod 20, a ground electrode 30, a ground wire (not shown), and a ground wire coil 40.

The ground clamp 10 is provided with a hanging part 11, a clamping ring 12 and an incoming call alarm device 13, the hanging part 11 is matched with a ground ring in an overhead line in a hanging mode, the clamping ring 12 is located at the bottom end of the ground clamp 10, and the incoming call alarm device 13 is located on the side face of the ground clamp 10.

As shown in fig. 1, the hanging portion 11 is in a hook shape, two elastic clamping arms 111 are oppositely arranged in the hanging portion 11, and the ground clip 10 is hung on the ground ring by clamping the two elastic clamping arms 111 on two sides of the ground ring respectively. Moreover, the incoming call alarm device 13 may adopt the prior art, and is not described in detail.

The operating rod 20 is provided with a clamping hook 21 which is in running fit with the operating rod 20 and a transmission mechanism which is in transmission connection with the clamping hook 21, the clamping hook 21 is in clamping fit with the clamping ring 12, and the clamping hook 21 rotates between a position for clamping the clamping ring 12 and a position for loosening the clamping ring 12.

In this embodiment, the transmission mechanism includes a transmission rod 22, the clamping hook 21 is hinged to the top end of the operation rod 20, the transmission rod 22 is movably sleeved in the operation rod 20, and the top end of the transmission rod is fixedly connected with the clamping hook 21. According to the requirement, a limiting mechanism can be arranged at the operating rod 20 to limit the state of the transmission rod 22, and the limiting mechanism can be, for example, a snap fit of a buckle and a clamping groove, or a pin joint fit of a pin and a pin hole, and the like. The structure of the transmission mechanism is not limited to this, and other structural modes can also be adopted.

In this embodiment, the operating rod 20 is further provided with an illuminating device 23. The illumination device 23 may include an illumination lamp, illumination circuitry and a power source, similar to a compact flashlight configuration, with a replaceable power source. The lighting structure may also be a patch type lighting structure, but not limited thereto.

In this embodiment, the operating rod 20 is provided with a plurality of operating rods, and each operating rod has different length.

The grounding electrode 30 is provided with a grounding inserted bar 31, and a limiting disc is arranged on the grounding inserted bar 31. One end of the grounding wire is connected with the grounding inserted bar 31, the other end of the grounding wire is connected with the grounding wire clamp 10, and the grounding wire is wound on the grounding wire coil 40.

In this embodiment, the limiting plate includes a limiting plate body 32 and a limiting boss 33 fixedly connected to the bottom surface of the limiting plate body 32.

In this embodiment, the distance from the limiting disc body 32 to the bottom end of the grounding insertion rod 31 is 0.5-0.7 m.

Preferably, the distance between the limiting disc body 32 and the bottom end of the grounding inserted rod 31 is 0.6 m.

As shown in fig. 3, the grounding rod 31 has a connecting portion 34 at the top end thereof, and the connecting portion 34 is used for connecting with a grounding wire. The fixing can be realized by adopting a screw locking mode.

The device is used as follows: because overhead line adopts three-phase voltage, need hang and put three earth connection, consequently, need an action bars 20, three earth clamp 10, three earth connection, three ground connection drum 40, three earthing pole 30:

one of the grounding electrodes 30 is inserted into the ground for grounding until the limiting boss 33 is clamped on the ground, so that the grounding electrode 30 is fixed with the ground; then, one end of a grounding wire on one of the grounding wire coils 40 is connected with the grounding electrode 30, the other end of the grounding wire is connected with one of the grounding wire clamps 10, then, the clamping hook 21 at the position of loosening the clamping ring 12 passes through the clamping ring 12, the clamping hook 21 is rotated to the position of clamping the clamping ring 12 through a transmission mechanism so as to relatively fix the operating rod 20 and the grounding wire clamp 10, then, the grounding wire clamp 10 is hung on one of the grounding rings of the overhead line, the transmission mechanism is controlled so as to separate the clamping hook 21 from the clamping ring 12, so that the operating rod 20 is separated from the grounding wire clamp 10, and the grounding operation of one phase of circuit is completed;

then, the above steps are repeated, and another two ground clamps 10 are hooked with the ground ring by the same operating rod 20, and finally the operating rod 20 is separated from the ground clamps 10 and taken down. At this moment, three ground clamps 10 hang and put on the overhead line and do not be connected with action bars 20 for operating personnel is difficult to touch action bars 20, and then is difficult to touch the earth connection, has guaranteed safety.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. An overhead line grounding device, characterized in that: it includes:

2. An overhead line grounding device according to claim 1, wherein: the operating rod is also provided with a lighting device.

3. An overhead line grounding device according to claim 2, wherein: the operating rod is provided with a plurality of operating rods, and the length of each operating rod is different.

4. An overhead line grounding device according to claim 2, wherein: the limiting disc comprises a limiting disc body and a limiting boss fixedly connected to the bottom surface of the limiting disc body.

5. An overhead line grounding device as claimed in claim 4, wherein: the distance between the limiting disc body and the bottom end of the grounding inserted rod is 0.5-0.7 m.

6. An overhead line grounding device as claimed in claim 5, wherein: the distance between the limiting disc body and the bottom end of the grounding inserted bar is 0.6 m.

7. An overhead line grounding device according to claim 1, wherein: the transmission mechanism comprises a transmission rod, the clamping hook is hinged to the top end of the operating rod, the transmission rod is movably sleeved in the operating rod, and the top end of the transmission rod is fixedly connected with the clamping hook.