CN207819413U - A kind of arrester mounting device - Google Patents

Abstract

The utility model provides a lightning arrester installation device, which is used to detachably install the lightning arrester between the cross arm of the electric pole and the high-voltage wire. The upper connecting mechanism and the lower connecting mechanism, the upside-down mechanism which is arranged on the support so that the lower connecting mechanism can hang upside down on the support, and the insulating rod with the first hook at the end, and the two ends of the arrester are respectively fixed on the upper and lower connecting mechanisms , the upper connecting mechanism is electrically connected with the high-voltage wire, and the lower connecting mechanism is grounded. The utility model realizes uninterrupted power supply replacement of the lightning arrester, does not require staff to work on the pole, ensures the safety of the staff, and is convenient to operate, high in work efficiency and strong in versatility.

Description

A lightning arrester installation device

technical field

The utility model relates to a lightning arrester installation device.

Background technique

At present, the lightning arrester of 10kV distribution line is fixedly installed on the cross arm at the top of the pole. The upper end of the arrester is directly connected to the high-voltage live wire, and the lower end is fixed on the cross arm by bolts and grounded through the lead wire. In the event of a lightning strike, the large lightning current can quickly lead the lightning to the ground through the arrester and the grounding lead. However, when the lightning arrester is damaged, because the lightning arrester is fixedly installed on the cross arm at the top of the pole and is directly connected to the high-voltage line, the safety distance is too short, and personnel need to climb the pole to replace it after the power failure, resulting in a long power outage and increasing the number of people climbing the pole. security risks.

Utility model content

The purpose of this utility model is to propose a lightning arrester installation device for the deficiencies of the prior art, which realizes the continuous replacement of the lightning arrester without the need for staff to work on the pole, and ensures the safety of the staff.

The utility model is realized through the following technical solutions:

A lightning arrester installation device, used to detachably install the lightning arrester between the cross arm of the electric pole and the high-voltage wire, including a bracket fixed vertically on the cross arm, and an upper connection detachably arranged on the bracket at intervals The mechanism and the lower connection mechanism, the upside-down mechanism that is arranged on the bracket so that the lower connection mechanism can hang upside down on the bracket, and the insulating rod with the first hook at the end to apply force to the upper and lower connection mechanisms, and the two ends of the arrester are respectively fixed on the upper and lower On the lower connection mechanism, the upper connection mechanism is electrically connected with the high-voltage wire, and the lower connection mechanism is grounded.

Further, the bracket includes a base substantially vertically fixed on the cross arm, an upper insulating support rod and a lower insulating support rod arranged at intervals on the base, and an upper connecting row vertically arranged on the upper and lower insulating support rods respectively. and the lower connection row, the upper end of the upper connection row is connected to the high-voltage wire, the lower end has a first bending part extending laterally, the upper end of the lower connection row has a second bending part extending laterally, and the lower end is grounded, and the upside-down mechanism is arranged on the lower connection plate row, and the upper and lower connecting mechanisms are respectively detachably arranged on the upper and lower connecting rows.

Further, the upper connecting mechanism includes a first connecting frame having an opening and in contact with both sides of the upper connecting row, a first connecting rod arranged between the first connecting frames on both sides of the opening, and a first connecting rod fixed on the first connecting frame. A first fixed plate with a first through hole on the rod, a first movable plate rotatably arranged on the first fixed plate and a return spring arranged between the first fixed plate and the first movable plate, the second A fixed plate is provided with an upwardly protruding block, and the end of the first movable plate is provided with an upward second hook, and the first bending part is provided with a first relief for the second hook to pass through. hole.

Further, the lower connecting mechanism includes a second connecting frame having an opening and in contact with both sides of the lower connecting row, a first screw and a second connecting rod arranged at intervals between the second connecting frames on both sides of the opening, and The pull ring arranged on the second connecting rod.

Further, the first movable plate includes a first horizontal plate, a first vertical plate arranged at one end of the first horizontal plate, and a rotating shaft, the second hook is arranged on the other end of the first horizontal plate, the other end of the first vertical plate is provided with a third horizontal bending portion, and the return spring is arranged on the first fixing plate and the first vertical plate between.

Further, the upside-down mechanism includes two side plates arranged at intervals and a second horizontal plate arranged between the lower ends of the two side plates and fixed on the lower connecting row, and a side plate close to the second bending part is provided with a The barb with the opening upwards is used to catch the first screw rod during installation, and the barb is used to hook the first screw rod after the upper connection mechanism is detached from the upper connection plate during disassembly.

Further, the opening of the first connection frame is provided with a second screw for adjusting the width of the opening.

Further, the first and second connecting frames are both horseshoe-shaped.

Further, two elongated second relief holes extending along the length direction of the base are spaced apart on the base, and the upper and lower insulating support rods are respectively fixed on the on the base.

Further, the upper and lower insulating support rods are composite insulators.

The utility model has the following beneficial effects:

1. The upper and lower connecting mechanisms of the utility model can be detachably arranged on the bracket, and the bracket is roughly vertically fixed on the cross arm. After it breaks away from the bracket, the lower connecting mechanism rotates downwards through the upside-down mechanism together with the lightning arrester and the upper connecting mechanism and hangs upside down on the bracket. The staff then uses an insulating rod to apply upward force to the lower connecting mechanism to separate the lower connecting mechanism from the bracket, thereby Remove the arrester together with the upper and lower connection mechanisms from the bracket, and then use tools such as screwdrivers to separate the faulty arrester from the upper and lower connection mechanisms. After replacing the new arrester, the staff use insulating rods on the ground to hang the lower connection mechanism upside down After being mounted on the bracket, the upper connecting mechanism is fixed on the bracket by using insulating rods, that is, the replacement of the lightning arrester can be completed without interruption of power supply, and the staff does not need to climb the pole to ensure the safety of the staff.

2. The first movable plate of the utility model is arranged on the first fixed plate so as to be rotatable downward, a return spring is arranged between the first fixed plate and the first movable plate, and an upward protrusion is arranged on the first fixed plate The end of the first movable plate is provided with an upward second hook. When installing, the first hook of the insulating rod passes through the first through hole and applies a downward force to the first movable plate to make the first movable plate move. The plate is turned downwards, and the upper connecting mechanism is used to move the upper connecting mechanism to the upper connecting plate until the second hook passes through the first relief hole of the first bending part, and the upper connecting mechanism can be moved through the second hook and the block. The connection mechanism is fixed on the upper connection row. When dismounting, the first hook of the insulating rod passes through the first through hole and applies a downward force to the first movable plate to rotate the first movable plate downward, and the insulating rod is used to The upper connection mechanism is moved away from the upper connection plate, and the second crotch is separated from the first relief hole. The return spring is used to reset the first movable plate, which is simple and convenient to operate and high in work efficiency.

3. The second connection frame of the lower connection mechanism of the utility model is provided with a first screw rod and a pull ring, and an upside-down mechanism with barbs is provided on the lower connection plate. When installing, use an insulating rod to snap the first screw rod into the upside-down In the hook, make the lower connection mechanism hang upside down on the upside-down mechanism with the lightning arrester and the upper connection mechanism, and then install the upper connection mechanism on the upper connection row. The upper connecting mechanism is hung upside down on the lower connecting row. The first hook of the insulating rod passes through the pull ring and applies a force along the opening direction of the barb, so that the first screw rod is detached from the barb. The operation is simple and convenient, and the work efficiency is high.

4. The first connecting frame and the second connecting frame of the utility model are respectively provided with a second screw and a first screw. When the opening of the first connecting frame or the second connecting frame is deformed after a long period of use, the first screw can be used to Or the second screw adjusts the width of the opening to ensure good contact between the first connecting frame and the upper connecting row, and between the second connecting frame and the lower connecting row.

5. The first and second connecting frames of the utility model are both horseshoe-shaped to facilitate disassembly and assembly of the lightning arrester and improve work efficiency.

6. The base of the utility model is provided with two elongated second relief holes at intervals, so that the distance between the two insulating support rods can adapt to the length of arresters of different models and manufacturers, and enhance the versatility.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the present utility model (after lightning arrester is installed).

Fig. 2 is a schematic structural view of the upper connection row of the present invention.

Fig. 3 is a structural schematic diagram of the lower connecting row of the present invention.

Fig. 4 is a structural schematic diagram of the upper connection mechanism of the utility model.

Fig. 5 is a structural schematic diagram of the utility model in which the lower connection mechanism hangs upside down on the lower connection row.

Detailed ways

As shown in Figures 1 to 5, the lightning arrester installation device is used to detachably install the lightning arrester 5 between the pole cross arm and the high-voltage wire, including a bracket 1 fixed vertically on the cross arm, spaced and detachable The upper connection mechanism 2 and the lower connection mechanism 3 that are arranged on the support 1, the upside-down mechanism 4 that is arranged on the support 1 and can make the lower connection mechanism 3 hang upside down on the support 1 and the insulating rod with the first crotch at the end (in the figure Not shown), the two ends of the lightning arrester 5 are respectively fixed on the upper connection mechanism 2 and the lower connection mechanism 3, the upper connection mechanism 2 is electrically connected with the high-voltage wire, and the lower connection mechanism 3 is grounded.

The bracket 1 includes a base 11 substantially vertically fixed on the cross arm and made of galvanized iron, two strip-shaped second relief holes 111 spaced apart on the base 11 and extending along the length direction of the base 11, and spaced apart on the base 11. The upper insulating support rod 12 and the lower insulating supporting rod 13 on the base 11, the upper connecting row 14 and the lower connecting row 15 respectively vertically extending on the upper insulating supporting rod 12 and the lower insulating supporting rod 13, and the upper connecting row 14 The upper end is connected to the high-voltage wire, the lower end has a first bending portion 16 extending laterally, the upper end of the lower connecting row 15 has a second bending portion 17 extending laterally, and the lower end is grounded. The rod 12 and the lower insulating support rod 13 are respectively fixed on the base 11 by bolts passing through the two second relief holes 111. A washer 112 is arranged on the back of the second relief hole 111, and the nut and the washer 112 are locked on the bolt. superior.

The upper connecting mechanism 2 includes a first connecting frame 21 having an upward opening and contacting both sides of the first bending portion 16 of the upper connecting row 14, and two second connecting frames 21 arranged at intervals between the first connecting frames 21 on both sides of the opening. A connecting rod 22, a first fixed plate 24 that is fixed on the two first connecting rods 22 and has a first through hole 23, a first movable plate 25 that is rotatably arranged on the first fixed plate 24 and is arranged on the The return spring 26 between the first fixed plate 24 and the first movable plate 25 and the second screw rod 27 arranged at the opening of the first connecting frame 21 to adjust the width of the opening. The first fixing plate 24 is a rectangular plate, one side of the rectangular plate is fixed on the two first connecting rods 22 , and an upwardly protruding locking block 28 is provided on the upper side of the rectangular plate. The first movable plate 25 includes a first horizontal plate 251, a first vertical plate 252 arranged at one end of the first horizontal plate 251, a second hook 253 arranged at the other end of the first horizontal plate 251, the first horizontal plate 251 and the second horizontal plate 251 A rotating shaft 29 is provided between the joint of the two vertical plates 252 and the first fixed plate 24, and the other end of the first vertical plate 252 is provided with a third lateral bending portion 254, and the first crotch of the insulating rod can move the third The bending part 254 is used as a force application point, and the return spring 26 is arranged between the first fixing plate 24 and the first vertical plate 252. The first bending part 16 is provided with a first relief hole for the second hook 253 to pass through. 18.

The lower connecting mechanism 3 includes a second connecting frame 31 with a downward opening and in contact with both sides of the second bent portion 17 of the lower connecting row 15, and a first screw rod arranged between the second connecting frames 31 on both sides of the opening. 32 and two second connecting rods 33 and the pull rings 34 arranged on the two second connecting rods 33, the first screw rod 32 is located at the opening of the second connecting frame 31, and the opening width can be adjusted. In this embodiment, the pull rings 34 The structure includes a rectangular fixed plate fixed on two second connecting rods 33 and having a first through hole, and a second movable plate rotatably arranged on the rectangular fixed plate downward.

The upside-down mechanism 4 includes two side plates 41 arranged at intervals and a second horizontal plate 42 fixed between the lower ends of the two side plates 41 and fixed on the lower connecting row 15. The side plate 41 is provided with an opening on one side close to the second bending portion 17 and faces upward. A swan-shaped barb 43, when installed, the barb 43 is used to block the first screw rod 32, when disassembled, the barb 43 is used to hook the first screw rod 32 after the upper connecting mechanism 2 is separated from the upper connecting row 14, so as to Make the lower connecting mechanism 3 hang upside down on the lower connecting row 15.

The upper end of the lightning arrester 5 is fixed to the bottom of the first connection frame 21 by bolts, and the lower end is fixed to the top of the second connection frame 31 by bolts.

In this embodiment, both the upper insulating support rod 12 and the lower insulating supporting rod 13 are composite insulators. Both the first connection frame 21 and the second connection frame 31 are horseshoe-shaped. Both the first connecting rod 22 and the second connecting rod 33 are screw rods.

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited with this, that is, equivalent changes and modifications made according to the patent scope of the utility model and the content of the specification should still be carried out. It belongs to the scope covered by the utility model patent.

Claims (10)

1. a kind of arrester mounting device, between arrester is removably mounted on the cross-arm and high-voltage conducting wires of electric pole, It is characterized in that：Including the roughly vertical holder being fixed on cross-arm, the upper connection for being spaced and being removably disposed on holder Mechanism and lower bindiny mechanism are arranged and hang upside down projecting mechanism on holder in holder Shang Keshixia bindiny mechanisms and end has the The insulating bar that one crotch is exerted a force with up and down bindiny mechanism, arrester both ends are separately fixed in upper and lower bindiny mechanism, upper company Connection mechanism is electrically connected with high-voltage conducting wires, lower bindiny mechanism's ground connection.

2. a kind of arrester mounting device according to claim 1, it is characterised in that：The holder includes roughly vertical solid The pedestal that is scheduled on cross-arm, the upper insulating support rod being arranged at intervals on pedestal and lower insulating support rod are vertically arranged in respectively Upper connection row on upper and lower insulating support rod and lower connection row, upper connection row upper end is connect with high-voltage conducting wires, lower end has laterally There is the second bending part being laterally extended, lower end ground connection, the projecting mechanism to set for the first bending part extended, lower connection row upper end It sets and is arranged in lower connecting plate, the upper and lower bindiny mechanism is removably disposed in respectively on upper and lower connection row.

3. a kind of arrester mounting device according to claim 2, it is characterised in that：The upper bindiny mechanism includes having Opening and with it is described it is upper connection row two side contacts first connection frame, be arranged opening both sides first connection frame between first Connecting rod, is arranged and consolidates first the first fixed plate for being fixed on head rod and having first through hole in which can rotate down The first movable plate on fixed board and the resetting spring being arranged between the first fixed plate and the first movable plate are set in the first fixed plate It is equipped with the fixture block to raise up, the first movable plate end set has the second upward crotch, offered on first bending part The first relief hole passed through for the second crotch.

4. a kind of arrester mounting device according to claim 3, it is characterised in that：The lower bindiny mechanism includes having Opening and with it is described it is lower connection row two side contacts second connection frame, be arranged at intervals on opening both sides second connection frame between First screw rod and the second connecting rod and the draw ring being arranged in the second connecting rod.

5. a kind of arrester mounting device according to claim 3 or 4, it is characterised in that：First movable plate includes Starting stave in first transverse slat one end, the junction and the first fixed plate of the first transverse slat and starting stave is arranged in first transverse slat Between be provided with rotation axis, second crotch is arranged in the first transverse slat other end, and the starting stave other end is provided with cross To third bending part, the resetting spring is arranged between the first fixed plate and starting stave.

6. a kind of arrester mounting device according to claim 4, it is characterised in that：The projecting mechanism includes that interval is set Two side plates set and the second transverse slat for being arranged between two side plate lower ends and being fixed on the lower connection row, side plate is close to described The barb for offering opening upwards on one side of second bending part, when installation, barb is for blocking first screw rod, when dismounting, Barb is used to hook the first screw rod after the upper bindiny mechanism is detached from upper junction plate.

7. a kind of arrester mounting device according to claim 3 or 4, it is characterised in that：The first connection frame opening Place is provided with the second screw rod for adjusting opening width.

8. a kind of arrester mounting device according to claim 4, it is characterised in that：The first, second connection frame is equal In the shape of a hoof.

9. a kind of arrester mounting device according to Claims 2 or 3 or 4, it is characterised in that：It is spaced apart on the pedestal If there are two the second relief hole of the strip extended along base length direction, the upper and lower insulating support rod is respectively by wearing The bolt for crossing two second relief holes is fixed on the base.

10. a kind of arrester mounting device according to Claims 2 or 3 or 4, it is characterised in that：The upper and lower insulation branch Strut is compound type insulating.