CN210111467U

CN210111467U - Suspended type uninterrupted power conductor sectionalizer

Info

Publication number: CN210111467U
Application number: CN201920399492.4U
Authority: CN
Inventors: 何宝龙; 王惠莲; 朱跃华; 苏伟; 何忠良
Original assignee: Shanghai Van Yang Electric Power Technology Development Co Ltd; SHANGHAI SOUTH ELECTRIC POWER ENGINEERING Co Ltd
Current assignee: Shanghai Van Yang Electric Power Technology Development Co Ltd; SHANGHAI SOUTH ELECTRIC POWER ENGINEERING Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-02-21
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a suspension type does not shut off electricity conductor sectionalizer carries out the position through the cable of fastener to conductor sectionalizer both sides and fixes, then through operating the universal joint device, drives the screw rod and returns to the loop bar internal contraction, realizes the tractive to the cable at conductor sectionalizer both ends for the cable in the conductor sectionalizer outside is tightened, and the inboard cable of conductor sectionalizer is lax, so that constructor carries out the disconnection operation to the cable, carries out spacing fixed to the cable after the disconnection simultaneously. The whole operation process adopts the insulating short rod to operate, and the constructor is prevented from directly contacting the wire sectionalizer, so that operation accidents are prevented.

Description

Suspended type uninterrupted power conductor sectionalizer

Technical Field

The utility model relates to a suspension type does not shut off lead sectionalizer for electric power engineering construction field.

Background

With the economic development and the improvement of the living standard of people, the requirement of users on the power supply reliability is higher and higher. To improve the reliability of power supply, the number of power failures must be reduced, and the development of power distribution uninterrupted operation is the most direct and effective measure for improving the reliability of power supply, and the mode of power distribution operation is changed from power failure operation to the mode of mainly power failure operation and additionally carrying out hot-line operation to uninterrupted operation. In the nineties of the last century, japan first proposed an uninterruptible operation technology using a bypass of a power distribution system and an uninterruptible operation technology device using the bypass. The bypass uninterrupted operation technical equipment comprises a bypass flexible power cable, a self-shrinking quick plug-in power cable, a separable connector, a bypass composite switch and the like, and the technology can be used for quickly assembling a power line on a construction site and bridging a to-be-overhauled and fault line section. The technical aim is to ensure that a user in a non-fault section is in a non-power-off state when line maintenance is carried out, and reduce the influence of the line maintenance on the user. In order to ensure the safety of the maintenance of the fault line section in the uninterrupted state, the original line power supply needs to be disconnected, so that the maintenance operation is performed on the fault section in the power failure state. It is a major goal of the skilled person to develop a safe line disconnection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, provide a suspension type does not shut off line sectionalizer, it can be convenient the efficient to the operation of cutting off the cable for the cable of maintenance section carries out the operation under the outage condition and guarantees operation safety, makes the cable of non-maintenance section keep the state that does not have the power failure simultaneously.

One technical scheme for achieving the above purpose is as follows: a suspended type uninterruptible power lead sectionalizer comprises a rod body and a wire clamp;

the rod body comprises a loop bar and screw rods, the middle part of the loop bar is provided with a universal joint, the two screw rods are respectively in threaded connection with two ends of the loop bar and are connected with the universal joint, and the bottom of the universal joint is provided with a spiral driving rod;

the wire clamps are respectively arranged at two ends of the two screw rods.

Furthermore, a plurality of hooks are symmetrically arranged on the loop bar relative to the universal joint.

Further, still include the insulating short rod that is used for operating spiral drive pole with spiral tightening rod, the top of insulating short rod is equipped with insulating grapple structure.

The utility model discloses a suspension type does not have power failure wire sectionalizer carries out the position through the cable of fastener to wire sectionalizer both sides and fixes, then through operating the universal joint device, drive the screw rod and return to the loop bar internal contraction, realize the tractive to the cable at wire sectionalizer both ends for the cable in the wire sectionalizer outside is tightened, and the inboard cable of wire sectionalizer is lax, so that constructor carries out the disconnection operation to the cable, carries out spacing fixed to the cable after the disconnection simultaneously. The whole operation process adopts the insulating short rod to operate, and the constructor is prevented from directly contacting the wire sectionalizer, so that operation accidents are prevented.

Drawings

Fig. 1 is a schematic structural diagram of a suspended type uninterruptible power supply conductor sectionalizer of the present invention;

fig. 2 is a schematic structural view of an insulating short rod of a suspended type uninterruptible power supply conductor sectionalizer of the present invention;

fig. 3 is the use the utility model discloses a schematic diagram that suspended type does not have a power failure wire sectionalizer carries out the operation that the bypass does not have a power failure.

Detailed Description

In order to better understand the technical solution of the present invention, the following detailed description is made by specific embodiments with reference to the accompanying drawings:

referring to fig. 1 and 2, a suspended type non-power-outage conductor sectionalizer of the present invention includes a rod body 1, a wire clamp 2 and an insulating short rod 3.

The rod body 1 comprises a loop bar 11 and screw rods 12, a universal joint 13 is arranged in the middle of the loop bar 11, the two screw rods 12 are respectively in threaded connection with two ends of the loop bar 11 and are connected with the universal joint 13, and a spiral driving rod 14 is arranged at the bottom of the universal joint 13. When the screw driving rod 14 is rotated, the universal joint 13 drives the two screws 12 to rotate synchronously, so that the screws 12 generate extending or retracting movement.

The wire clamps 2 are respectively arranged at two ends of the two screw rods 12, and the bottom of the wire clamp 2 is provided with a bolt tightening rod 21 for clamping or loosening the wire clamp 2.

A plurality of hooks 15 are symmetrically arranged on the loop bar 11 about the universal joint 13 to hang the bar body 1 on a cable, so that the bar body 1 does not need to be lifted or supported during operation. In this embodiment, a set of two hooks 15 is symmetrically arranged on the rod body 1. An appropriate amount of hooks 15 can be installed according to the length of the rod body 1.

In order to ensure that no operator is required to directly contact the equipment in the whole process of arranging the suspended uninterrupted power line sectionalizer and carrying out the cut-off operation, the uninterrupted power line sectionalizer is operated by adopting the short insulating rod 3. Referring to fig. 2, the top of the short insulating rod 3 is provided with a grapple structure 31. The top of the short insulating rod 3 is coated with an insulating protective sheath.

Please refer to fig. 3. When the fault section 4 of the distribution network line needs to be overhauled without power outage, firstly, the fault section 4 is bypassed through the bypass line 5, the two bypass lines 5 are connected through the quick cable connector 51, and the bypass line is controlled to be opened and closed through the bypass load switch 52. The bypass load switch 52 is then closed so that the bypass line 5 is closed. Use subsequently the utility model discloses a suspension type does not have a power failure wire sectionalizer carries out the disconnection operation to both sides A point and the B point of trouble section 4 to safety when guaranteeing to overhaul. The disconnection operation for an arbitrary point is divided into the following steps:

1. the insulating short rod 3 is used for hanging the hook 15 on the cable at the disconnection point.

2. The wire clamps 2 on both sides are respectively installed on the cable, and the bolt tightening rod 21 is tightened using the insulating short rod 3, so that the wire clamps 2 are fixed with the cable.

3. The screw driving rod 14 is driven by the short insulating rod 3, so that the screw 12 retracts to drive the wire clamp 12 to move, thereby tightening the outer side wire and loosening the inner side wire.

4. The inside cable is cut by an insulating clamp.

5. The two ends of the broken cable are separated and a sufficient safety distance is maintained.

The same disconnection operation is then performed for the other disconnection points. And after all the disconnection points are disconnected, the equipment is subjected to power failure maintenance or replacement. And after the overhaul is finished, the disconnected lead is connected by using a quick lead crimping method. After the connection is finished, the bypass line 5 is disconnected, and each bypass device is withdrawn, so that the line is recovered to normal operation.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a suspension type does not have a power failure wire sectionalizer, includes the body of rod and fastener, its characterized in that:

the wire clamps are respectively arranged at two ends of the two screw rods, and bolt tightening rods are arranged at the bottoms of the wire clamps.

2. The suspended uninterruptible power conductor sectionalizer as claimed in claim 1, wherein a plurality of hooks are symmetrically arranged on the loop bar with respect to the universal joint.

3. The suspended uninterruptible power supply conductor sectionalizer according to claim 1, further comprising an insulating short rod for operating the screw driving rod and the bolt tightening rod, wherein a grapple structure subjected to insulation treatment is arranged at the top of the insulating short rod.