CN212304661U

CN212304661U - Temporary wiring clamp for bypass cable

Info

Publication number: CN212304661U
Application number: CN202020678798.6U
Authority: CN
Inventors: 叶健波; 陈金祥; 李传进; 罗小增; 冯文伟; 刘杰朋; 陈绍龙
Original assignee: Guangzhou South Dian'an Technology Co ltd
Current assignee: Guangzhou South Dian'an Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-05
Anticipated expiration: 2030-04-28

Abstract

The invention discloses a temporary jointing clamp for bypass cables, which comprises a jointing clamp body, wherein the jointing clamp body comprises a wire clamp groove, a clamping device arranged in the wire clamp groove and an insulating operating rod fixedly connected with the clamping device, the wire clamp groove comprises an upper groove plate, a lower groove plate and side groove plates positioned on one sides of the upper groove plate and the lower groove plate, an arc-shaped groove protruding upwards is arranged on the inner surface of the upper groove plate, the clamping device comprises a clamping block with a groove arranged on the surface and a screw rod fixed at the bottom end of the clamping block, the groove is opposite to the arc-shaped groove on the lower surface of the upper groove plate, and the screw rod penetrates through the lower groove plate and is fixedly connected with the insulating operating rod; the situation that the three-phase cable is possibly short-circuited after being connected is avoided, the temporary jointing clamp is simple to connect and operate, and the safety factor is higher.

Description

Temporary wiring clamp for bypass cable

Technical Field

The utility model relates to a circuit operation field, more specifically say and relate to an interim binding clip of bypass cable.

Background

When an existing used cable breaks down or an existing cable is overhauled during bypassing of the cable, the cable for supplying power to the power outage area is temporarily connected. When the bypass cable is accessed, the bypass cable needs to be fixed firstly, a corresponding access point is found, and the bypass cable is accessed to the corresponding access point after the experience is successful. When the 10KV overhead line bypass cable access work is carried out in the past, the bypass cable is mainly used for temporarily fixing the insulating cross arm, the three-phase cables are respectively hung on the insulating cross arm, and then the insulating cross arm is fixed to the bypass cable access position. However, the bypass cable is easily dropped by fixing the bypass cable by using the insulating cross arm, so that the three-phase cable is easily contacted under the action of wind power for fixing the three-phase cable on the same horizontal point, the interphase short circuit risk of the three-phase cable is easily caused after power transmission, and the cables are respectively unfolded and released to be connected into a line after the phase sequence is checked, so that the operation intensity and the interphase and relatively short circuit risk are increased.

Therefore, a bypass cable temporary wiring fixing device with higher safety factor and simpler operation is needed, so that the problem existing when the insulating cross arm is used is solved, the operation difficulty is reduced on the premise of ensuring safety, and the working efficiency is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bypass cable temporary connection clamp solves the technical problem who exists among the above-mentioned background art.

The utility model provides a temporary binding clip of bypass cable, including the binding clip body, the binding clip body includes the wire clamp groove, set up the clamping device in the wire clamp groove and with clamping device fixed connection's insulating bar, the wire clamp groove includes frid, lower frid and the side frid that is located frid and frid one side down, it is provided with the bellied arc wall that makes progress to go up the frid internal surface, insulating bar drives clamping device and keeps away from or lean on the frid.

Preferably, the clamping device comprises a clamping block with a groove formed in the surface and a screw rod fixed at the bottom end of the clamping block, the groove is opposite to the arc-shaped groove in the lower surface of the upper groove plate, and the screw rod penetrates through the lower groove plate and is fixedly connected with the insulating operating rod.

Preferably, the screw rod is fixed with the insulating bar through fixed subassembly, fixed subassembly is including fixing the first fixed block in the screw rod bottom and fixing the second fixed block that suits with first fixed block size on the insulating bar top, the interval is provided with the first arch of a plurality of on the first fixed block, the interval is provided with the second of a plurality of arch on the second fixed block, first arch and second arch block respectively in the interval department of second fixed block and first fixed block.

Preferably, screw holes are formed in the middle of the first fixing block and the middle of the second fixing block, and the first fixing block and the second fixing block are fixed through screws.

Preferably, a copper wiring rod is welded on one side of the lower groove plate, one end of the copper wiring rod is welded with the side face of the lower groove plate, and the other end of the copper wiring rod extends outwards along the horizontal axis of the lower groove plate.

Preferably, the lower groove plate is fixed with an insulating hook on one side far away from the copper wiring rod, the insulating hook is vertically arranged upwards, and the length of the insulating hook is longer than that of the wiring groove.

Preferably, the side groove plate is provided with a round hole.

The utility model discloses technical scheme's beneficial effect is:

1. providing a temporary suspension point for the bypass cable: the operating personnel connect the bypass cable outdoor terminal clamp with the temporary jointing clamp in advance, and then respectively hang the insulation hooks of the three-phase temporary jointing clamp on the three-phase wires to be connected.

2. The operation safety and reliability of the access work of the bypass cable are improved: use the work of this interim binding clip of bypass cable, can prevent effectively that the condition that old fastener was not screwed up from taking place to through the operation of insulating bar, more effectively stop the danger that prevents personnel's electric shock.

3. Providing an electricity testing and phase checking point of the bypass cable: the operating personnel arranges the bypass cable along the line as required and connects to after experimental the qualification, at the opposite side (power supply side) of bypass cable through load switch power transmission to interim binding clip, the operating personnel just can test the electricity to three-phase bypass cable respectively in the position of interim binding clip, and whether the connection of inspection cable is good, later directly check the phase place work between interim binding clip position respectively and the wire.

4. Avoid three-phase cable contact short circuit: the three-phase cable is independently fixed, and the short circuit risk caused by mutual contact is reduced.

Drawings

FIG. 1 is a schematic overall view of a bypass cable temporary splice holder;

FIG. 2 is a view of the bypass cable temporary splice holder and cable attachment;

fig. 3 is a view of the screw and the insulating operating rod being fixed.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

As shown in fig. 1, the utility model provides a temporary binding clip of bypass cable, including the binding clip body, the binding clip body includes wire clamp groove 13, set up the clamping device in wire clamp groove 13 and with clamping device fixed connection's insulating bar 8, wire clamp groove 13 includes slotted plate 11, lower slotted plate 5 and the side slotted plate 3 that is located slotted plate 11 and lower slotted plate 5 one side, it is provided with upwards bellied arc 1 to go up slotted plate 11 internal surface, clamping device includes clamp splice 12 that the surface is provided with recess 2 and fixes the screw rod 6 in clamp splice 12 bottom, recess 2 is relative with the arc 1 position of last slotted plate 11 lower surface, screw rod 6 passes lower slotted plate 5 and insulating bar 8 fixed connection.

Based on above-mentioned technical scheme, the clamp splice passes through screw rod 6 and insulating bar 8 is fixed, is provided with the screw hole that runs through and upper and lower surface on the frid 5 down, when using, with the cable card in online clamp groove 13, then handheld insulating bar 8 and rotate, can drive clamp splice 12 rebound at rotatory in-process screw rod 6 to with the cable card between the recess 2 on the arc wall 1 of last frid 11 and clamp splice 12. The cable is more firmly fixed, the falling-off phenomenon cannot occur in the using process, and meanwhile, the three-phase cables are respectively fixed through different temporary jointing clamps, so that the short circuit risk caused by mutual contact is reduced; the binding clip is made by the aluminum alloy, and the trade personnel arrange the bypass cable along the line as required to be connected to after the bypass cable is qualified through the experiment, at the opposite side (the power supply side) of bypass cable through load switch power transmission to interim binding clip, the operation personnel just can test the electricity respectively to three-phase bypass cable in the position of interim binding clip, and whether the connection of inspection cable is good has simplified operation flow.

As shown in fig. 1 and 3, the screw rod 6 and the insulating operating rod 8 are fixed by a fixing assembly 9, the fixing assembly includes a first fixing block 91 fixed at the bottom end of the screw rod 6 and a second fixing block 92 fixed at the top end of the insulating operating rod 8 and matched with the first fixing block 91 in size, a plurality of first protrusions 93 are arranged on the first fixing block 91 at intervals, a plurality of second protrusions 94 are arranged on the second fixing block 92 at intervals, and the first protrusions 93 and the second protrusions 94 are respectively clamped at the intervals between the second fixing block 92 and the first fixing block 91.

Based on the above technical solution, when the insulating operating rod 8 and the screw 6 are fixed, the first protrusion 93 on the first fixing block 91 and the second protrusion 94 on the second fixing block 92 are aligned to the interval between the second protrusion 94 and the first protrusion 93, respectively, so that the first fixing block 91 and the second fixing block 92 are closed. The first projection 91 and the second projection 92 are fixed through clamping, so that the screw 6 and the insulating operating rod 8 are fixed more firmly, the insulating operating rod 8 is prevented from inclining in the using process, and the operating risk is reduced.

As shown in fig. 3, screw holes are formed in the middle portions of the first fixing block 91 and the second fixing block 92, and the first fixing block 91 and the second fixing block are fixed by screws 7. Bolts 71 are inserted through screw holes of the first fixing block 91 and the second fixing block 92, and fixed by screws 72. The first fixing block 91 and the second fixing block 92 are more tightly attached, and the first fixing block 91 and the second fixing block 92 are prevented from being loosened from each other.

As shown in fig. 1 and 2, a copper wire connecting rod 4 is welded on one side of the lower groove plate 5, one end of the copper wire connecting rod 4 is welded with the side surface of the lower groove plate 5, and the other end extends outwards along the horizontal axis of the lower groove plate 5. The copper wiring rod is cylindrical, when a bypass cable is clamped with the temporary wiring rod, the bypass cable fixing tube 14 is fixed on the copper wiring rod 4 through the fixing end 16, and a bolt is arranged at one end of the bypass cable fixing tube 14 and used for fixing the bypass cable in the bypass cable fixing tube 14. The fixed end 16 is made of aluminum alloy, and electricity can be conducted to the copper connecting rod 4 through the fixed end 16 after the bypass cable is electrified.

As shown in fig. 1, an insulating hook 10 is fixed on one side of the lower slot plate 5, which is far away from the copper wire connecting rod 4, the insulating hook 10 is vertically arranged upwards, and the length of the insulating hook 10 is longer than that of the wire connecting slot 13. Before the bypass cable is accessed, the temporary wiring clamp is hung to a corresponding access point through the insulating hook 10, so that subsequent access work is facilitated.

As shown in fig. 2, the side groove plate 5 is provided with a circular hole 17 to facilitate the connection of an indoor wire clamp.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A bypass cable temporary jointing clamp is characterized in that: including the binding clip body, the binding clip body includes the wire clamp groove, sets up clamping device in the wire clamp inslot and with clamping device fixed connection's insulating bar, the wire clamp groove includes frid, frid and the side frid that is located frid and frid one side down, it is provided with the bellied arc wall that makes progress to go up frid internal surface, insulating bar drives clamping device and keeps away from or leans on the frid.

2. A bypass cable temporary connection clamp according to claim 1, wherein: the clamping device comprises a clamping block with a groove formed in the surface and a screw rod fixed at the bottom end of the clamping block, the groove is opposite to the arc-shaped groove of the lower surface of the upper groove plate, and the screw rod penetrates through the lower groove plate and is fixedly connected with the insulating operating rod.

3. A bypass cable temporary connection clamp according to claim 2, wherein: preferably, the screw rod is fixed with the insulating bar through fixed subassembly, fixed subassembly is including fixing the first fixed block in the screw rod bottom and fixing the second fixed block that suits with first fixed block size on the insulating bar top, the interval is provided with the first arch of a plurality of on the first fixed block, the interval is provided with the second of a plurality of arch on the second fixed block, first arch and second arch block respectively in the interval department of second fixed block and first fixed block.

4. A bypass cable temporary connection clamp according to claim 3, wherein: screw holes are formed in the middle of the first fixing block and the middle of the second fixing block, and the first fixing block and the second fixing block are fixed through screws.

5. A bypass cable temporary connection clamp according to claim 1, wherein: and one side of the lower groove plate is welded with a copper wiring rod, one end of the copper wiring rod is welded with the side surface of the lower groove plate, and the other end of the copper wiring rod extends outwards along the horizontal axis of the lower groove plate.

6. A bypass cable temporary connection clamp according to claim 1, wherein: and one side of the lower groove plate, which is far away from the copper wiring rod, is fixedly provided with an insulating hook, the insulating hook is vertically arranged upwards, and the length of the insulating hook is longer than that of the wiring groove.

7. A bypass cable temporary connection clamp according to claim 1, wherein: and the side groove plate is provided with a round hole.