CN-116619287-B - Electrified installation mechanism of insulating guard shield suitable for voltage transformer

CN116619287BCN 116619287 BCN116619287 BCN 116619287BCN-116619287-B

Abstract

The invention relates to an insulation shield electrified installation mechanism suitable for a voltage transformer, which comprises an insulation shield and an operation rod, wherein the insulation shield comprises a fixed shell, two sides of the fixed shell are respectively provided with an openable or closable movable plate, when the two movable plates are closed, the two movable plates are enclosed with the fixed shell to form a cavity capable of sleeving the voltage transformer, a rebound structure is arranged on the fixed shell and connected with the movable plates and used for driving the movable plates to be elastically closed, the top of the operation rod is provided with a shield sliding mechanism, two sides of the shield sliding mechanism are respectively provided with sliding grooves, and the two sliding grooves are respectively connected with the two openable movable plates of the insulation shield in a sliding manner. According to the invention, the shield sliding mechanism at the upper end of the operating rod is utilized to grasp and operate the insulation shield, only one operator is required to operate to complete the installation and the disassembly, the cooperation of multiple persons is not required, the live installation can be realized without the assistance of a live working vehicle, the operation is simple, the efficiency is high, and no additional requirement is provided for the construction environment.

Inventors

HE JINGKANG
WU XUJING
TANG JIEBIN
LIU JIANHUI
GAO YILONG
CHEN JIANBIN
WANG YONGQIN
LI FANG

Assignees

广东电网有限责任公司广州供电局

Dates

Publication Date: 20260508
Application Date: 20230525

Claims (8)

1. The insulation shield electrified installation mechanism suitable for the voltage transformer is characterized by comprising an insulation shield and an operating rod; The insulation shield comprises a fixed shell, wherein two sides of the fixed shell are respectively provided with an openable or closable movable plate, and the two movable plates are enclosed with the fixed shell to form a cavity capable of sleeving the voltage transformer when being closed; The top of the operating rod is provided with a shield sliding mechanism, two sides of the shield sliding mechanism are respectively provided with a chute, and the two chutes are respectively connected with two open movable plates of the insulation shield in a sliding way; The movable plate comprises a concave plate and an arc-shaped plate, wherein the concave plate is clamped in the chute, is linear and has certain toughness; The shield sliding mechanism comprises a supporting grab, two supporting feet are arranged at intervals of the supporting grab, and the sliding groove is arranged at the side part of the supporting feet; the sliding groove is provided with an anti-slip structure for preventing the movable plate from sliding out of the sliding groove under the action of no external force, the anti-slip structure comprises a sliding groove concave arranged in the middle of the sliding groove, the sliding groove concave is in a blunt angle shape or a circular arc shape, the sliding groove is divided into two parts by taking the sliding groove concave as the center, and the whole body of the sliding groove is in an obtuse angle shape or a circular arc shape; When the shield sliding mechanism is required to be connected with the insulation shield, the concave plate is firstly slid into the front half part of the sliding groove, then the sliding groove is forced to be pushed by force when the concave plate is sunken through the sliding groove, so that the concave plate enters into the rear half part of the sliding groove, and when the shield sliding mechanism is required to be separated from the insulation shield, the shield sliding mechanism is forced to be separated from the insulation shield.
2. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, which is characterized in that the operation rod comprises a rotation adjusting mechanism, a first elevation angle adjusting mechanism and a connecting rod, one end of the first elevation angle adjusting mechanism is connected with the connecting rod and used for adjusting the elevation angle of the supporting grab, and two ends of the rotation adjusting mechanism are respectively connected with the other end of the first elevation angle adjusting mechanism and the supporting grab and used for adjusting the circumferential rotation angle of the supporting grab.
3. The electrified installation mechanism of the insulation shield suitable for the voltage transformer is characterized in that the first elevation angle adjusting mechanism comprises a first installation seat and a first rotating seat which are correspondingly and fixedly installed, the first installation seat is connected with the connecting rod, a first flange is arranged on the side portion of the first installation seat, a first concave ring groove is arranged on the corresponding side of the first rotating seat, the first flange is rotatably connected with the first concave ring groove, and the rotation adjusting mechanism is connected with the first rotating seat.
4. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, which is characterized in that the rotation adjusting mechanism is provided with a third installation seat, the third installation seat is fixedly connected with the first rotating seat, the support grab is provided with a third rotating seat which is fixedly installed corresponding to the third installation seat, the third installation seat is provided with a third flange, the third rotating seat is provided with a third concave ring groove, and the third flange is rotationally connected with the third concave ring groove.
5. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, as set forth in claim 2, wherein the operation rod further comprises a fixing mechanism and a supporting rod, two ends of the connecting rod are respectively connected with the first elevation angle adjusting mechanism and the fixing mechanism, and the supporting rod is arranged on the fixing mechanism in a penetrating manner.
6. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, as set forth in claim 5, wherein the fixing mechanism comprises a second elevation angle adjusting mechanism and a clamp assembly, the second elevation angle adjusting mechanism is connected with the connecting rod, the side part of the second elevation angle adjusting mechanism is fixedly connected with the clamp assembly and used for adjusting the elevation angle of the supporting grab, and the supporting rod penetrates through the clamp assembly.
7. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, wherein the second elevation angle adjusting mechanism comprises a second installation seat and a second rotating seat, the second installation seat is connected to the connecting rod, a plurality of limiting protrusions are uniformly arranged on the side portion of the second installation seat around the circumference of the second installation seat, a plurality of limiting grooves are uniformly arranged on the corresponding side of the second rotating seat around the circumference of the second installation seat, the limiting protrusions are clamped in the corresponding limiting grooves, and the clamp assembly is connected to the second rotating seat.
8. The electrified installation mechanism of the insulation shield suitable for the voltage transformer, as set forth in claim 7, wherein the clamp assembly comprises a first semicircular clamp and a second semicircular clamp, the first semicircular clamp is fixedly connected to the side portion of the second rotating seat, and the first semicircular clamp and the second semicircular clamp are surrounded and sleeved on the supporting rod.

Description

Electrified installation mechanism of insulating guard shield suitable for voltage transformer Technical Field The invention relates to the technical field of insulation protection of power equipment, in particular to an insulation shield electrified installation mechanism suitable for a voltage transformer. Background The voltage transformer is a transformation voltage transformer used for protecting valuable equipment, motors and transformers in a distribution line when the distribution line fails, and also used for measuring the voltage, power and electric energy of the line. On the distribution line of the electric network, the voltage transformer is an indispensable electrical appliance, and because the distribution line passes through mountain areas and residential buildings, the tree hidden danger and the building hidden danger are layered endlessly, partial faults of the distribution line are easy to occur, and in order to ensure that the voltage transformer on the distribution line can play a role, an insulation shield is required to be installed for the exposed voltage transformer, and the insulation shield can effectively prevent power failure and electric shock accidents of exposed power equipment caused by artificial touch or small animals and the like. At present, two modes of power failure installation and live installation are arranged on the insulation shield, because the number of users involved in the whole distribution line is large, in order to improve the power supply reliability and reduce the number of users in power failure as much as possible, live installation is required, and the live installation insulation shield can be used for selecting a live installation tool or a live working vehicle to enter a construction site, but the construction environments of most mountainous regions and residential buildings cannot meet the requirement of the live working vehicle, and in this case, the live installation tool is required to be selected to ensure that uninterrupted installation can be realized. The prior art discloses an insulating shield live installation tool, the insulating shield comprises two shells which are oppositely covered on a wiring terminal and a connecting piece which is detachably connected with the shells, the installation tool comprises a dismantling assembly and an installation assembly, the dismantling assembly comprises a first insulating rod and an operation hook which is connected to the first insulating rod, the operation hook can extend into the space between the two shells and drive the connecting piece to move so as to enable the connecting piece to be separated from one of the shells, the installation assembly comprises a second insulating rod and a clamping assembly which is connected to the second insulating rod, the clamping assembly can clamp the two shells and can drive the connecting piece to be connected to the two shells, the clamping assembly can be clamped to one end of the insulating shield, and the operation hook can extend into the other end of the insulating shield so that the connecting piece is separated from one of the shells, and then the operation hook moves the two shells out of the wiring terminal. Which reduces the area required for installation and thus enables the installation tool to be used in areas where the vehicle cannot pass. The technical problems are as follows: When the insulation shield is installed, two operators are needed to hold the dismantling assembly and the installation assembly respectively, the insulation shield is clamped to a designated position by the installation assembly, the auxiliary positioning is carried out by the dismantling assembly, and then the installation of the insulation shield is realized. Disclosure of Invention Aiming at the problems in the prior art, the invention aims to provide the insulation shield live-line installation mechanism suitable for the voltage transformer, which can realize live-line installation operation, can be installed and disassembled by one person without the cooperation of multiple persons, and has simple operation and high efficiency. In order to achieve the above purpose, the invention adopts the following technical scheme: The invention relates to an insulation shield electrified installation mechanism suitable for a voltage transformer, which comprises an insulation shield and an operating rod; The insulation shield comprises a fixed shell, wherein two sides of the fixed shell are respectively provided with an openable or closable movable plate, and the two movable plates are enclosed with the fixed shell to form a cavity capable of sleeving the voltage transformer when being closed; the top of the operating rod is provided with a shield sliding mechanism, two sides of the shield sliding mechanism are respectively provided with a sliding groove, and the two sliding grooves are respectively connected with two open movable plates of the insulation shield in a sliding