CN-118099789-B - Grounding device and grounding wire hanging and detaching method

Abstract

The invention discloses a grounding device and a grounding wire hanging and dismantling method, the grounding device comprises a grounding wire hanging and detaching mechanism, a hoisting mechanism and a locking mechanism. The grounding hanging and detaching mechanism is used for being connected to the grounding wire, the grounding hanging and detaching mechanism is used for being close to and clamped on a corresponding overhead line so that the overhead line and the grounding wire are electrically conducted through the grounding hanging and detaching mechanism, the winding mechanism is used for connecting and pulling or unwinding an insulating rope hung on the overhead line so as to drive the grounding device to be wholly close to or far away from the overhead line along the vertical direction, the locking mechanism is arranged on the grounding hanging and detaching mechanism or the winding mechanism, and the locking mechanism can automatically lock or unlock the grounding hanging and detaching mechanism and the winding mechanism. When the grounding wire is hung on the overhead line, the grounding device can prevent the overhead line from being in a state of hanging heavy objects with large weight for a long time, and further prevent the overhead line from being additionally damaged due to excessive pulling.

Inventors

• GUO XINGYUAN
• XIE JIASHENG
• Yao Diji
• XIONG XINXIN
• HUANG SHUO
• ZHANG SULI
• HUANG YONGDONG
• LIN JIAFAN
• LIN JIJIE
• XU DONGYANG
• Liu Paihong
• WU WEIDONG
• Chen Liansi
• LI RONG
• ZHENG XUQI
• XU JIE
• CHEN XIAOBIN
• XING LINHUA
• CHEN CHUANGJI
• HUANG JIADONG
• LIN HONG

Assignees

• 广东电网有限责任公司
• 广东电网有限责任公司揭阳供电局

Dates

Publication Date

20260505

Application Date

20240311

Claims (7)

1. 1. A grounding device, comprising: The ground wire hanging and detaching mechanism is used for being connected with a ground wire, and the ground wire hanging and detaching mechanism is used for being close to and clamped on a corresponding overhead line so as to enable the overhead line and the ground wire to be electrically conducted through the ground wire hanging and detaching mechanism; The winding mechanism is used for connecting, pulling or unreeling an insulating rope hung on the overhead line so as to drive the whole grounding device to be close to or far away from the overhead line along the vertical direction, and The locking mechanism is arranged on the ground wire hanging and detaching mechanism or the hoisting mechanism and can automatically lock or unlock the ground wire hanging and detaching mechanism and the hoisting mechanism; The locking mechanism comprises a first driving structure and a locking piece which are connected, the first driving structure is arranged on the ground wire hanging and detaching mechanism or the hoisting mechanism, and the first driving structure can automatically drive the locking piece to move so that the locking piece locks or unlocks the ground wire hanging and detaching mechanism and the hoisting mechanism; the overhead line comprises a three-phase wire, the three-phase wire comprises a first wire and two second wires, the two second wires are respectively positioned on two opposite sides of the first wire along the horizontal direction, and the insulating rope is hung on the first wire; The grounding wire hanging and detaching mechanism comprises a mechanism main body and two grounding mechanical arms, wherein the mechanism main body is provided with a first grounding chuck, the first grounding chuck is used for being connected with a first grounding wire, the first grounding chuck is used for being close to and clamped on the first conducting wire along the vertical direction so as to enable the first conducting wire and the first grounding wire to be electrically conducted through the first grounding chuck, the two grounding mechanical arms are arranged on the mechanism main body at intervals, the grounding mechanical arms comprise a mechanical arm main body, a second grounding chuck and a second driving structure, the mechanical arm main body is connected between the second grounding chuck and the mechanism main body, the second grounding chuck is used for being connected with a second grounding wire, and the second driving structure can drive the mechanical arm main body to move relative to the mechanism main body so as to drive the second grounding chuck to be close to and clamped on the corresponding second conducting wire, and enable the corresponding second conducting wire and the second grounding chuck to be electrically conducted through the second grounding chuck; The two mechanical arm bodies are respectively positioned at two opposite sides of the mechanism body along the first direction, one ends of the two mechanical arm bodies, which are connected with the mechanism body, are respectively positioned at two opposite sides of the first grounding chuck along the second direction, and when the grounding mechanical arm is in a storage state, projections of the two mechanical arm bodies on the same plane along the first direction are intersected; The first direction and the second direction are perpendicular to the vertical direction in pairs.
2. 2. The grounding device of claim 1, wherein the grounding wire hanging and detaching mechanism is provided with a first inserting structure, the first inserting structure is provided with a first inserting hole, the winding mechanism is provided with a second inserting structure corresponding to the first inserting structure, the second inserting structure and the first inserting structure can be inserted and pulled out along the vertical direction, the second inserting structure is provided with a second inserting hole corresponding to the first inserting hole, and the locking piece can be sequentially inserted into the first inserting hole and the second inserting hole to lock the first inserting structure and the second inserting structure, or The ground wire hanging and detaching mechanism and the hoisting mechanism are both provided with locking columns, one of the locking mechanisms is not provided with a locking groove, the periphery of each locking column is provided with a locking groove, the locking mechanism comprises two locking pieces, and the first driving structure can drive the two locking pieces to be close to each other so that the two locking pieces enter the locking grooves and are abutted against two opposite sides of each locking column.
3. 3. The grounding device of claim 1, wherein the second drive structure comprises a first drive module and a second drive module, the mechanical arm body comprises a first portion and a second portion, the first drive module is connected between the first portion and the mechanism body, the second drive module is connected between the first portion and the second portion, and the second grounding clip is connected to an end of the second portion remote from the first portion; the first driving module can drive the first part to rotate relative to the mechanism main body so as to drive the second grounding clamp to correspond to the corresponding second lead, and the second driving module can drive the second part to stretch and retract relative to the first part so as to drive the second grounding clamp to be close to and clamped on the corresponding second lead.
4. 4. An earth wire hanging and detaching method, characterized in that an automatic hanging and detaching operation of an earth wire is performed on an overhead line by using the earth device according to any one of claims 1-3, an insulating rope is hung on the overhead line, and the earth wire hanging and detaching method comprises: S1, pulling the insulating rope through a hoisting mechanism, driving a ground wire hanging and detaching mechanism connected with the ground wire in a hanging mode to be close to the overhead line so that the ground wire hanging and detaching mechanism is clamped on the overhead line, unlocking the ground wire hanging and detaching mechanism and the hoisting mechanism through a locking mechanism, and loosening the insulating rope through the hoisting mechanism to recycle the hoisting mechanism; S2, pulling the insulating rope through the hoisting mechanism to enable the hoisting mechanism to be close to the grounding wire hanging and detaching mechanism, then enabling the grounding wire hanging and detaching mechanism to be locked with the hoisting mechanism through the locking mechanism, and enabling the hoisting mechanism to unwind the insulating rope so as to detach the grounding wire and integrally recycle the grounding device.
5. 5. The method according to claim 4, wherein the step S1 includes: step S10, providing the grounding device with the grounding wire hanging and detaching mechanism and the winding mechanism locked by the locking mechanism, wherein an operator connects one end of the insulating rope naturally hanging down to the winding mechanism, and connects the grounding wire to the grounding wire hanging and detaching mechanism; s11, starting the hoisting mechanism to enable the hoisting mechanism to pull the insulating rope so as to drive the whole grounding device to be close to the overhead line along the vertical direction until the grounding wire hanging and detaching mechanism is clamped on the overhead line, so that the grounding wire is electrically conducted on the overhead line through the grounding wire hanging and detaching mechanism; Step S12, starting the locking mechanism to unlock the grounding wire hanging and detaching mechanism and the hoisting mechanism; Step S13, starting the hoisting mechanism, so that the hoisting mechanism unwinds the insulating rope to drive the hoisting mechanism to be far away from the overhead line and the grounding wire hanging and detaching mechanism along the vertical direction until the hoisting mechanism is positioned at a position capable of being recovered by the operator; S14, the worker separates the hoisting mechanism from the insulating rope to recover the hoisting mechanism; the step S2 includes: Step S20, connecting one end of the insulating rope naturally hung by the operator to the hoisting mechanism; S21, starting the hoisting mechanism, so that the hoisting mechanism pulls the insulating rope to drive the whole hoisting mechanism to be close to the overhead line and the grounding wire hanging and detaching mechanism along the vertical direction until the hoisting mechanism is connected with the grounding wire hanging and detaching mechanism; s22, starting the locking mechanism to lock the grounding wire hanging and detaching mechanism and the hoisting mechanism; Step S23, starting the winding mechanism to enable the winding mechanism to unwind the insulating rope so as to drive the whole grounding device to be far away from the overhead line along the vertical direction, and enabling the grounding wire hanging and detaching mechanism to be separated from the overhead line, so that the grounding wire is detached from the overhead line; And step S24, closing the hoisting mechanism when the grounding device is at a position which can be recovered by the operator, and detaching the hoisting mechanism from the insulating rope by the operator so as to recover the grounding device and the grounding wire.
6. 6. The method according to claim 5, wherein the step S10 includes: Step S101, providing the grounding device with the grounding wire hanging and detaching mechanism and the winding mechanism locked by the locking mechanism, wherein an operator connects one end of the insulating rope naturally hanging down to the winding mechanism, connects a first grounding wire to a first grounding chuck, and connects a second grounding wire to a second grounding chuck; The step S11 includes: Step S111, starting the hoisting mechanism, enabling the hoisting mechanism to pull the insulating rope so as to drive the whole grounding device to be close to a first wire along the vertical direction until the first grounding clamp is clamped on the first wire, and enabling the first grounding wire to be electrically conducted on the first wire through the first grounding clamp; step S112, starting a second driving structure, and enabling the second driving structure to drive the mechanical arm main body to move relative to the mechanical main body until the mechanical arm main body drives the second grounding chuck to be close to and clamped on a second lead, so that the second grounding wire is electrically conducted on the second lead through the second grounding chuck; After the step S22, before the step S23, the ground wire attaching/detaching method further includes: Step S230, starting the second driving structure to enable the mechanical arm main body to drive the second grounding chuck to be separated from the second lead, so as to detach the second grounding wire from the second lead; The step S23 includes: Step S231, starting the winding mechanism to enable the winding mechanism to unwind the insulating rope so as to drive the grounding device to be wholly away from the first lead in the vertical direction, and enabling the first grounding chuck to be separated from the first lead to detach the first grounding wire from the first lead.
7. 7. The method according to claim 5 or 6, wherein the step S11 includes: step S11a, starting the hoisting mechanism, so that the hoisting mechanism pulls the insulating rope to drive the whole grounding device to approach the overhead line along the vertical direction until the electricity testing contact is abutted to the overhead line; Step S11b, detecting whether the overhead line abutted by the electricity testing contact is electrified or not through an electroscope; And step S11c, if the overhead line is not electrified, starting the hoisting mechanism continuously until the grounding wire hanging and detaching mechanism is clamped on the overhead line, so that the grounding wire is electrically conducted on the overhead line through the grounding wire hanging and detaching mechanism.

Description

Grounding device and grounding wire hanging and detaching method Technical Field The invention relates to the technical field of electric power construction, in particular to a grounding device and a grounding wire hanging and detaching method. Background When a power grid is subjected to power outage maintenance, in order to prevent a power grid line from suddenly coming into charge or generating induced voltage adjacent to high-voltage electrified equipment to cause harm to constructors, it is generally required to test the power of the line before construction and hang a grounding wire on the power grid line, and in the construction process, the grounding wire is kept in a state of being hung on the power grid line, wherein the power grid line is usually an overhead line. In the related art, in order to reduce the labor intensity and the operation risk of the operator, an automatic grounding device may be used to perform the automatic grounding and dismounting operations of the grounding wire. Specifically, the automatic grounding device generally comprises a grounding wire hanging and detaching mechanism and a hoisting mechanism which are fixed with each other, and an insulating rope hung on an overhead line is pulled by the hoisting mechanism, so that the hoisting mechanism can drive the whole automatic grounding device to climb to be close to the overhead line along the insulating rope, and the grounding wire hanging and detaching mechanism can hang and detach the grounding wire on the overhead line. However, since the hoisting mechanism and the grounding wire hanging and detaching mechanism integrally comprise a large number of parts and have large weight, and in order to ensure construction safety, in the whole power failure maintenance process, the automatic grounding device needs to keep the grounding wire hanging on the overhead line, so that the overhead line is in a state of hanging heavy objects with large weight for a long time, excessive pulling can be caused on the overhead line, and the overhead line is easy to be damaged additionally. Disclosure of Invention The invention aims to provide a grounding device, which can prevent the overhead line from being in a state of hanging heavy objects for a long time when the grounding wire is hung on the overhead line, and further prevent the overhead line from being additionally damaged due to excessive pulling. The invention further aims to provide a grounding wire hanging and detaching method which can be used for automatically hanging and detaching the grounding wire on the overhead line and avoid the overhead line from being excessively pulled to cause additional damage in the process of power failure maintenance. In order to achieve the purpose, the invention adopts the following technical scheme: in a first aspect, there is provided a grounding device comprising: The ground wire hanging and detaching mechanism is used for being connected with a ground wire, and the ground wire hanging and detaching mechanism is used for being close to and clamped on a corresponding overhead line so as to enable the overhead line and the ground wire to be electrically conducted through the ground wire hanging and detaching mechanism; The winding mechanism is used for connecting, pulling or unreeling an insulating rope hung on the overhead line so as to drive the whole grounding device to be close to or far away from the overhead line along the vertical direction, and The locking mechanism is arranged on the ground wire hanging and detaching mechanism or the hoisting mechanism, and can automatically lock or unlock the ground wire hanging and detaching mechanism and the hoisting mechanism. As a preferable technical scheme of the grounding device, the locking mechanism comprises a first driving structure and a locking piece, wherein the first driving structure is connected with the grounding wire hanging and dismantling mechanism or the winding mechanism, and the first driving structure can automatically drive the locking piece to move so that the locking piece locks or unlocks the grounding wire hanging and dismantling mechanism and the winding mechanism. As a preferable technical scheme of the grounding device, the grounding wire hanging and detaching mechanism is provided with a first inserting structure, the first inserting structure is provided with a first inserting hole, the winding mechanism is provided with a second inserting structure corresponding to the first inserting structure, the second inserting structure and the first inserting structure can be inserted and pulled out along the vertical direction, the second inserting structure is provided with a second inserting hole corresponding to the first inserting hole, and the locking piece can be sequentially inserted into the first inserting hole and the second inserting hole to lock the first inserting structure and the second inserting structure, or The ground wire hanging and detaching mechanism and