CN206850040U

CN206850040U - A kind of power distribution line maintenance earthing or grounding means

Info

Publication number: CN206850040U
Application number: CN201720750434.2U
Authority: CN
Inventors: 秦毅; 李晓; 石庆红; 王明惠; 王猛
Original assignee: State Grid Corp of China SGCC; Chizhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Chizhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2017-06-26
Filing date: 2017-06-26
Publication date: 2018-01-05
Anticipated expiration: 2027-06-26

Abstract

The utility model discloses a kind of power distribution line maintenance earthing or grounding means, it is to set that either-rotation motor and conductive cam are installed in seal box, the outer surface of conductive cam is provided with fixing groove, and conductive plate is provided with below conductive cam, and conductive plate is connected by cable with conducting block；The side of seal box is fixed with spring groove, and the pull bar with spring is provided with spring groove, and pull bar is fixedly arranged at the front end with fixed block, and the rear of fixed block is provided with switch, and the outer surface of seal box is provided with controller and is connected to either-rotation motor by circuit.The utility model can carry out ground protection to repair apparatus, so as to ensure the security of power distribution line maintenance operation.

Description

A kind of power distribution line maintenance earthing or grounding means

Technical field

Technical field of electric power is the utility model is related to, specially a kind of power distribution line maintenance earthing or grounding means.

Background technology

Worldwide, it is necessary to which distribution line is periodically safeguarded and overhauled, to protect due to various The steady safe operation of distribution line is demonstrate,proved, prevents irremediable accident.In general distribution line is mostly high-tension line, right When the circuit of failure is overhauled, it is required for carrying out repair apparatus ground protection, traditional grounding apparatus is mostly just Take formula, it is necessary to the later stage carries out line ground connection, but can not determine whether equipment is powered, if electrical verification is directly carried out, due to setting It is standby be in high-voltage operation state, easily cause electrode and puncture, so as to lead to a disaster, so, ground connection work during power distribution line maintenance It there is very big potential safety hazard.

Utility model content

In place of the utility model is in order to solve the deficiencies in the prior art, there is provided a kind of power distribution line maintenance earthing or grounding means, with Phase can carry out ground protection to repair apparatus, so as to ensure the security of power distribution line maintenance operation.

To achieve the above object, the utility model provides following technical scheme：

A kind of power distribution line maintenance earthing or grounding means of the utility model is structurally characterized in that：

One seal box is set；Either-rotation motor is fixedly installed by base in the seal box；The either-rotation motor leads to Crossing its axis connection has conductive cam；The both sides of the conductive cam are respectively equipped with fixing groove；Set below the conductive cam It is equipped with conductive plate；The conductive plate is connected by cable with being embedded in the conducting block of underground；

Spring groove is provided with the both sides of the seal box are one high and one low respectively；It is provided with and is set with the spring groove The pull bar of spring；One end of the pull bar is in the seal box, and end set has fixed block；The fixed block can with it is described Fixing groove is engaged；The other end of the pull bar extends to the outside of the spring groove；

Switch is provided with the seal box side wall at the fixed block rear；

Be fixed with controller on the outside of the seal box, the controller by circuit respectively with the either-rotation motor and Switch is connected.

The design feature of power distribution line maintenance earthing or grounding means described in the utility model is lain also in：In the upper of the seal box End face and lower surface are respectively arranged with fixed plate, a pair of fixing holes are provided with the fixed plate, in the pair of fixing hole Slidable U-shaped card is provided with, the front end of the U-shaped card is helicitic texture, and is engaged with nut, for fixing the sealing Case.

The fixed block uses plastic material.

Compared with prior art, the beneficial effects of the utility model are：

The utility model power distribution line maintenance earthing or grounding means is by being fixedly installed on running device, in normally open, Can be directly grounded in the state of electric part is not exposed to, avoid danger during electrical verification, and by motor come half from It is grounded and cuts off dynamicly, operation is more convenient, not only increases operating efficiency, also effectively ensure that staff and equipment Safety.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is the sectional view of seal box of the present utility model；

Fig. 3 is the schematic diagram of U-shaped card of the present utility model.

Label in figure：1 seal box, 11 fixed plates, 12 fixing holes, 13 bases, 14 motors, 15 conductive plates, 16 cables, 17 are led Electric block, 2 conductive cams, 21 left fixing grooves, 22 right fixing grooves, 3 right fixed blocks, 31 right pull bars, 32 right springs, 33 right spring grooves, 34 right switches, 4 controllers, 5 left fixed blocks, 51 left levers, 52 left springs, 53 left spring grooves, 54 left-handed openings, 6U types card, 61 spiral shells Line structure, 62 nuts.

Embodiment

In the present embodiment, as shown in figure 1, a kind of power distribution line maintenance earthing or grounding means is：

One seal box 1 is set；Base 13 is fixed with the inner side of seal box 1；It is fixedly installed in the upper surface of base 13 There is either-rotation motor 14；Either-rotation motor 14 has conductive cam 2 by its axis connection and drives the conductive left-right rotation of cam 2；Conductive stud The both sides of wheel 2 are respectively equipped with fixing groove, including left fixing groove 21 and right fixing groove 22；In the lower section of conductive cam 2, i.e. seal box 1 inner bottom surface is provided with conductive plate 15；Conductive plate 15 is connected by cable 16 with being embedded in the conducting block 17 of underground；Conducting block 17 Locate below ground level, facilitate device to be grounded

Spring groove, including left spring groove 53 and right spring groove 33 are provided with the both sides of seal box 1 are one high and one low respectively；This In embodiment, left spring groove 53 is not higher than right spring groove 33；The pull bar for being set with spring, including suit are provided with spring groove There is the left lever 51 of left spring 52 and be set with the right pull bar 31 of right spring 32；One end of pull bar is in seal box 1, and end is set The fixed block using plastic material, including left fixed block 5 and right fixed block 3 are equipped with, and left fixed block 5 is less than right fixed block 3, energy Enough ensure that conductive cam 2 is working and can be in the lock state under off working state；Fixed block made of plastics can be protected Protect the safety of staff；Left fixed block 5 can be engaged with left fixing groove 21, right fixed block 3 can be engaged with right fixing groove 22； The other end of pull bar extends to the outside of spring groove；

Left-handed opening 54 and right switch 34 are respectively arranged with the seal box side wall at left fixed block 5 and the rear of right fixed block 3；

Controller 4 is fixed with the outside of seal box 1, controller 4 is opened with either-rotation motor 14 and a left side respectively by circuit 54 are closed with right switch 34 to be connected.

In specific implementation, as shown in Fig. 2 fixed plate 11 is respectively arranged with the upper surface of seal box 1 and lower surface, solid Fixed board 11 is provided with a pair of fixing holes 12, slidable U-shaped card 6 is provided with a pair of fixing holes 12, U-shaped card 6 has two, such as Shown in Fig. 3, the front end of U-shaped card 6 is helicitic texture 61, and is engaged with four nuts 62, for fixing seal case 1.

Operation principle of the present utility model is：When earthing or grounding means does not work, right fixed block 3 inserts the right internal lock of fixing groove 21 Determine conductive cam 2, now conductive cam 2 departs from conductive plate 15, and device is in normally open, when device needs ground connection, draws Right pull bar 31 is moved, right fixed block 3 departs from fixing groove 21 and touches right switch 34, rotated to the signal control motor 14 of controller 4, Conductive cam 2 contacts with conductive plate 15, and now right fixed block 5 inserts fixing groove 21 and conductive cam 2 is locked, and has been grounded Into, and securely and reliably, eliminate the work of electrical verification wiring, improve operating efficiency, reduce danger, when work is completed not When needing to be grounded again, left lever 51 is pulled, the block 5 that fixes departs from fixing groove 21 and touches left-handed opening 54, and the reversion of motor 14 drives Conductive cam 2 departs from conductive plate 15 and resetted, and right fixed block 3 inserts fixing groove 21, completes ground connection and removes work, operation is very It is convenient, also improve security.

Claims

1. A grounding device for maintenance of distribution lines, characterized in that:

A sealed box (1) is set; a bidirectional motor (14) is fixedly provided with a base (13) in the sealed box (1); the bidirectional motor (14) is connected with a conductive cam (2) through its shaft; the Both sides of the conductive cam (2) are respectively provided with fixing grooves; a conductive plate (15) is arranged under the conductive cam (2); The conductive block (17) is connected;

Spring grooves are arranged on both sides of the sealed box (1), one high and the other low; a pull rod fitted with a spring is arranged in the spring groove; one end of the pull rod is placed in the sealed box (1), and The end is provided with a fixed block; the fixed block can be matched with the fixed groove; the other end of the pull rod extends to the outside of the spring groove;

A switch is arranged on the side wall of the sealed box behind the fixed block;

A controller (4) is fixed outside the sealed box (1), and the controller (4) is respectively connected to the bidirectional motor (14) and the switch through a circuit.

2. The grounding device for distribution line maintenance according to claim 1, characterized in that: a fixing plate (11) is respectively arranged on the upper end surface and the lower end surface of the sealing box (1), and the fixing plate (11) ) is provided with a pair of fixing holes (12), and a slidable U-shaped card (6) is arranged in the pair of fixing holes (12), and the front end of the U-shaped card (6) is a threaded structure (61) , and cooperate with the nut (62) for fixing the sealed box (1).

3. The grounding device for maintenance of distribution lines according to claim 1, wherein the fixing block is made of plastic.