CN217984278U - A high-voltage drainage clamp and its special live installation tool - Google Patents

Abstract

The utility model discloses a high-voltage drainage wire clamp and a special live installation tool thereof. The high-voltage drainage wire clamp includes a clamping base, a pressing block, a tightening shaft, a column spring, a tightening shaft cap, a limit lock pin and Fix the screw; the special live installation tool includes a wire clamp support rod, a ratchet socket wrench and a wrench operating rod. The wire clamp support rod and the wrench operating rod are arranged oppositely. connected. The utility model's high-voltage drainage wire clamp and its special live installation tool change the existing high-voltage drainage wire clamp to adopt the vertical tightening method of the bottom pull ring, adopt the horizontal direction tightening, match the special live installation tool, and have the convenience of hanging the wire , tightening the wire is not easy to fall, and it is easy and effortless to puncture the wire, and the installation tool is used to determine the installation position is accurate. In the process of tightening the high-voltage drainage wire clip, it does not depend on the force of hooking the overhead wire, which will affect the line smaller.

Description

A high-voltage drainage clamp and its special live installation tool

technical field

The utility model relates to a high-voltage drainage clamp and a special live installation tool thereof.

Background technique

Among the 10kV power distribution lines, the overhead lines in the urban area have been basically insulated. In the case of equipment access, line maintenance, etc., the insulated wires may be stripped to expose the inner core wires for lapping (power outage maintenance and hanging ground wires), or The direct puncture method is used for lap joints (installation of lightning protection equipment, etc.).

Please refer to Fig. 1, Fig. 2 and Fig. 3. In the prior art, the drainage clamps used for lap joints are mostly tightened in the vertical direction, and pressed upward by the rotating rod 2' with the pull ring 1' at the lower end. The tightening block 3' is a method of pressing the wire into the pressing groove 4' for tightening.

Drainage clamps can effectively contact the bare wire or the stripped part of the insulated wire if it is clamped, but for the unstripped insulated wire, it is a bit laborious to drive the rotating rod through the lower end pull ring to tighten the compression block, and to puncture and insert it. And it's weak and unreliable.

Moreover, the various drainage clamps in the prior art do not have special live installation tools, and the lower end of the rotating rod 2' has a draw ring 1'. During use, it is easy to loosen during the lifting process. In the process of tightening the wire, it is necessary to hang down the wire tightly. Otherwise, it is easy to cause the wire clip to fall during the tightening process of hooking the pull ring, which poses a safety hazard.

Utility model content

The purpose of this utility model is to overcome the defects of the prior art, and provide a high-voltage drainage wire clip and its special live installation tool. tool, easy to install and reliable to use.

The technical solution to achieve the above purpose is: a high-voltage drainage clamp, including a clamping base, a pressing block, a tightening shaft, a column spring, a tightening shaft cap, a limit lock pin and a fixing screw, wherein:

The lower part of the clamping base is provided with a wire clamping groove; the front and rear sides of the upper part of the clamping base are respectively provided with connecting blocks for installation tools, and the front side of the clamping base is longitudinally provided with a limit locking pin hole ; The left side of the clamping base is provided with a compression block groove, and the inner side of the compression block groove is provided with a compression block guide groove horizontally; the upper part of the right side of the clamping base is provided with a The through hole of the tightening shaft arranged horizontally, the limit lock pin hole communicates with the through hole of the tightened shaft; the lower part of the right side of the clamping base is provided with a fixed screw threaded hole arranged horizontally; The bottom end of the wire base is provided with a vertically arranged threaded hole for the lead wire, and the threaded hole for the lead wire communicates with the threaded hole of the fixing screw;

The compression block includes a compression block tightening column and a crimping groove arranged at the bottom end thereof, the compression block tightening column is arranged horizontally, and a compression block is arranged laterally on the outer wall of the compression block tightening column. Block guide bar, the middle part of the tightening column of the pressing block is provided with a left and right through tightening shaft threaded hole; the pressing block is arranged in the pressing block groove, and the pressing block guiding bar is inserted into the In the guide groove of the pressing block, the threaded hole of the tightening shaft communicates with the through hole of the tightening shaft;

One end of the tightening shaft passes through the column spring, the through hole of the tightening shaft of the clamping base and the threaded hole of the tightening shaft of the compression block in sequence, and is connected with the tightening shaft cap; The other end of the rotating shaft is a hexagonal head;

The column spring is located between the hexagonal head of the tightening shaft and the right side of the clamping base, and the column spring is always in a compressed state;

The limit lock pin is inserted into the limit lock pin hole of the clamping base, and the tightening shaft is clamped to ensure that the tightening shaft is not released from the reverse elastic force of the column spring, ensuring that all The above-mentioned tightening shaft only rotates during installation without displacement;

The fixing screw is screwed into the fixing screw threaded hole of the clamping base.

The above-mentioned high-voltage drainage clamp, wherein a puncture needle installation hole is opened on the inner side of the wire clamp groove of the wire clamp base, and a puncture needle is connected to the puncture needle installation hole.

The above-mentioned high-voltage drainage clamp, wherein the threaded hole of the clamp base is internally threaded with a high-voltage lead, and the end of the high-voltage lead is pressed and fixed by the end of the fixing screw.

A special live installation tool for the above-mentioned high-voltage drainage clamp, including a clamp support rod, a ratchet socket wrench and a wrench operating lever, wherein:

The wire clamp support rod includes an F-type wire clamp connecting block, a sleeve left support plate, a sleeve right support plate, a support base and an insulating support rod, and the F-type wire clamp connecting block, the sleeve left support plate and the sleeve The right support plate is sequentially arranged on the top of the support base from left to right, and the bottom end of the support base is fixed on the top of the insulating support rod; The side F-shaped plate and the right U-shaped plate, and the right U-shaped plate is blocked at the right end opening of the front F-shaped plate and the rear F-shaped plate; the left support plate of the sleeve and the right side of the sleeve Sleeve installation holes are respectively set on the support plate;

The ratchet socket wrench includes an insulating handle, a ratchet socket head and a wrench operating ring. The insulating handle is hollow cylindrical, and one end of the insulating handle is connected to the ratchet socket head through an elastic cylindrical pin. The other end of the insulating handle is connected with the wrench operating ring through an elastic cylindrical pin;

The wrench operating rod includes an operating base, an insulating operating rod, a U-shaped bracket and a wrench cylindrical pin, the operating base is fixed on the top of the insulating operating rod, and the bottom end of the U-shaped bracket is fixed on the bottom of the operating base. At the top, the two ends of the cylindrical pin of the wrench are connected with the two ends of the U-shaped bracket in a one-to-one correspondence;

The clamp support rod and the wrench operating rod are arranged oppositely, and the two ends of the ratchet sleeve head are inserted into the sleeve installation holes on the left support plate and the right support plate of the sleeve in one-to-one correspondence; The wrench operating ring is located in the U-shaped bracket, and is sleeved on the wrench cylindrical pin.

The above-mentioned special live installation tool for high-voltage drainage clamps, wherein, the insulating support rod and the insulating operating rod respectively adopt length-adjustable telescopic rods or multi-section rods that can be spliced in multiple segments.

The above-mentioned special live installation tool for high-voltage drainage clamps, wherein the connecting blocks of the installation tool on the front and rear sides of the clamping base of the high-voltage drainage clamps are plugged into the F-shaped clamps in a one-to-one correspondence. In the front F-shaped plate and the rear F-shaped plate of the connecting block, the hexagonal head of the tightening shaft of the high-voltage drainage clamp passes through the right U-shaped plate of the F-shaped clamp connecting block and is inserted into the Inside the ratchet socket head.

The high-voltage drainage clamp and its special live installation tool of the utility model, the high-voltage drainage clamp is tightened in the horizontal direction, matched with the special live installation tool, it is convenient to hang the wire, the wire is not easy to fall when tightened, and it is easy to puncture with the pressure wire. It is laborious and other characteristics, and the installation position is determined accurately by using the installation tool. In the process of tightening the high-voltage drainage clamp, it does not depend on the force of hooking the overhead wire, and has little influence on the line.

Description of drawings

Fig. 1 is a schematic structural view of a drainage clip in the prior art;

Fig. 2 is a structural schematic diagram of another drainage clip in the prior art;

Fig. 3 is a schematic structural diagram of a third drainage clip in the prior art;

Fig. 4 is the three-dimensional structural diagram of the high-voltage drainage clamp of the present invention;

Fig. 5 is the three-dimensional structural diagram (front view direction) of the clamping base of the high-voltage drainage clamp of the present invention;

Fig. 6 is a schematic structural view (looking up) of the clamping base of the high-voltage drainage clamp of the present invention;

Fig. 7 is a schematic structural view of the compression block of the high-voltage drainage clamp of the present invention;

Fig. 8 is a structural schematic diagram of a special live installation tool for a high-voltage drainage clamp of the present invention;

Fig. 9 is a schematic structural view of the clamp support rod of the special live installation tool for the high-voltage drainage clamp of the present invention;

Fig. 10 is a structural schematic diagram of the ratchet socket wrench of the special live installation tool of the high-voltage drainage clamp of the present invention;

Fig. 11 is a schematic structural view of the wrench operating lever of the special live installation tool of the high-voltage drainage clamp of the present invention;

Fig. 12 is a diagram of the usage status of the high-voltage drainage clamp and its special live installation tool of the present invention.

detailed description

In order to enable those skilled in the art to better understand the technical solution of the present utility model, its specific implementation will be described in detail below in conjunction with the accompanying drawings:

Please refer to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, an embodiment of the utility model, a high-voltage drainage clamp, including a clamping base 1, a pressing block 7, a tightening shaft 3, a column spring 2, Tighten the shaft cap 8, the limit lock pin 4 and the fixing screw 5.

The lower part of the wire clamping base 1 is provided with a wire clamping slot 15; the front and rear sides of the upper part of the wire clamping base 1 are respectively provided with installation tool joint blocks 11, and the front side of the wire clamping base 1 is provided with a limit lock pin hole 12 longitudinally. The left side of the clamping base 1 is provided with a compression block groove 16, and the inner side wall of the compression block groove 16 is horizontally provided with a compression block guide groove 17; the top of the right side of the clamping base 1 is provided with a lateral The set tightening shaft through hole 18, the limit lock pin hole 12 communicates with the tightening shaft through hole 18; the lower part of the right side of the clamping base 1 is provided with a fixed screw threaded hole 19 arranged horizontally; the clamping base 1 The bottom end of the bottom is provided with a lead wire threaded hole 14 arranged vertically, and the lead wire threaded hole 14 communicates with the fixing screw threaded hole 19.

The compression block 7 comprises a compression block tightening column 71 and a crimping groove 74 arranged at its bottom, the compression block tightening column 71 is arranged laterally, and a compression block is arranged laterally on the outer side wall of the compression block tightening column 71 Guide strip 72, the middle part of compacting block tightening column 71 is horizontally provided with the tightening rotating shaft threaded hole 73 that runs through left and right; In the block guide groove 17, like this, the compression block 71 can move left and right along the compression block guide groove 17, and the tightening shaft threaded hole 73 is communicated with the tightening shaft through hole 18.

One end of the tightening shaft 3 passes through the column spring 2, the tightening shaft through hole 18 of the clamping base 1 and the tightening shaft threaded hole 73 of the compression block 7, and is connected with the tightening shaft cap 8; the tightening shaft The other end of 3 is a hexagonal head 31. The limit lock pin 4 is inserted into the limit lock pin hole 12 of the clamping base 1, and the column spring 2 is located between the hexagonal head 31 of the tightening shaft 3 and the right side of the clamp base 1; the column spring 2 It is in a certain compressed state, and the limit lock pin 4 penetrates the limit lock pin hole 12 of the clamping base 1, and the clamping position tightens the rotating shaft 3, ensuring that the tightening rotating shaft 3 is not released from the reverse elastic force of the column spring 2, ensuring The tightening shaft 3 only rotates during installation without displacement; so that the tightening shaft 3 drives the compression block 7 to slide in the compression block guide groove 17 of the clamping base 1 during the rotation process.

The fixing screw 5 is screwed into the fixing screw threaded hole 19 of the clamping base 1 . The fixing screw 5 is used for penetrating and locking fixing of the high-voltage lead wire. The high-voltage lead wire is screwed into the lead wire threaded hole 14 of the clamping base 1 through threads. After tightening, the end of the high-voltage lead wire is tightened and fixed by the fixing screw 5 in the fixing screw threaded hole 19.

The high-voltage drainage clamp of the present utility model can be equipped with a puncture needle 6 according to needs, and two puncture needle mounting holes 13 are provided on the inner groove wall of the wire clamping groove 15 of the clamping base 1, and the puncture needle 6 is installed on the On the puncture needle mounting hole 13, it can be used for non-stripping wiring of insulated wires. If do not adopt puncture mode or bare wire, can not install puncture needle 6.

Please refer to Fig. 8, Fig. 9, Fig. 10 and Fig. 11, an embodiment of the present utility model, a special live installation tool for a high-voltage drain wire clamp, including a wire clamp support rod 9, a ratchet socket wrench 10 and a wrench operating rod 20 .

The wire clamp support rod 9 includes an F-type wire clamp connecting block 91, a sleeve left support plate 92, a sleeve right support plate 93, a support base 94 and an insulating support rod 95, an F-type wire clamp connecting block 92, and a sleeve left support plate 92 and sleeve right support plate 93 are arranged on the top of support base 94 successively from left to right, and the bottom end of support base 94 is fixed on the top of insulating support bar 95; The rear F-shaped plate and the right U-shaped plate, and the right U-shaped plate is blocked at the right end opening of the front F-shaped plate and the rear F-shaped plate; the sleeve left support plate 92 and the sleeve right support plate Offer sleeve mounting holes respectively on 93.

The ratchet socket wrench 10 includes an insulating handle 102, a ratchet socket head 101 and a wrench operating ring 103. The insulating handle 102 is hollow cylindrical, and one end of the insulating handle 102 is connected to the ratchet socket head 101 through an elastic cylindrical pin 104. The insulating handle The other end of 102 links to each other with wrench operation ring 103 by elastic cylindrical pin 104.

The wrench operating rod 20 comprises an operating base 203, an insulating operating rod 204, a U-shaped support 202 and a wrench cylindrical pin 201. The operating base 203 is fixed on the top of the insulating operating rod 204, and the bottom end of the U-shaped support 202 is fixed on the top of the operating base 203. , the two ends of the wrench cylindrical pin 201 are connected with the two ends of the U-shaped bracket 202 in one-to-one correspondence.

The wire clamp support rod 9 and the wrench operating rod 20 are arranged oppositely, and the wire clamp support rod 9 and the wrench operating rod 20 are connected through the ratchet sleeve wrench 10. Specifically, the two ends of the ratchet sleeve head 101 are inserted into the sleeve one by one The sleeve installation holes on the left support plate 92 of the barrel and the right support plate 93 of the sleeve; By pulling the insulating operating rod 204 up and down, the ratchet sleeve head 101 can be driven to rotate.

The special live installation tool for the high-voltage drainage clamp is integrated in actual use and cannot be disassembled temporarily. The insulating support rod 95 and the insulating operating rod 204 respectively adopt a telescopic rod with adjustable length or a multi-section rod that can be spliced in multiple sections. The length can be adjusted according to the actual usage.

Please refer to Fig. 12, the high-voltage drainage clamp and its special live installation tool of the present utility model, when in use, firstly screw the high-voltage lead wire into the lead wire threaded hole 14 of the clip base 1 through threads, and then fasten it with the fixing screw The fixing screw 5 in the threaded hole 19 is screwed and fixed; then the installation tool connecting blocks 11 on the front and rear sides of the clamping base 1 of the high-voltage drainage clamp are inserted one by one into the connecting block 91 of the F-shaped clamp. In the front F-shaped plate and the rear F-shaped plate, the hexagonal head of the tightening shaft 3 of the high-voltage drainage clamp 1 passes through the right U-shaped plate of the F-shaped clamp connecting block 91 and then is inserted into the ratchet sleeve head 101 .

After the special live installation tool is inserted through the above cooperation, use the insulating support rod 95 to slowly hang the high-voltage drainage wire clip through the wire clamping groove 15 into the overhead wire. The ratchet sleeve head 101 rotates to tighten the rotating shaft 3 . During the process of rotating and tightening the rotating shaft 3, the pressing block 9 will be tightened accordingly, and finally the overhead wire will be fastened in the wire clamping groove 15 of the clamping base 1 and the wire pressing groove 74 of the pressing block 7, and the puncture Needle 6 sinks into insulated wire insulation thereupon.

When it is obvious that the insulating operating rod 204 cannot be pulled up and down, the high-voltage drainage wire clamp is tightened in place, and the live installation tool can be withdrawn horizontally.

To sum up, the high-voltage drainage clamp and its special live installation tool of the present utility model change the existing high-voltage drainage clamp to adopt the vertical tightening method of the bottom pull ring, and use the horizontal direction to tighten, matching the special live installation tool, It has the characteristics of being convenient to hang the wires, tightening the wires is not easy to fall, and pressing the wires easily and effortlessly, and using the installation tool to confirm the installation position is accurate. In the process of tightening the high-voltage drainage clamp, it does not depend on the hooking of the overhead wires. The force has little influence on the line.

The utility model provides a reliable product foundation and a tool foundation for the installation and access system of the ground potential on the pole of the new lightning protection device, which can meet the requirements of non-stop installation of the lightning protection device, and reduces the operation mode adjustment of the power grid and the installation and replacement of equipment status. Work can greatly improve the reality that there are few lightning protection measures for key lines due to the inability to cut off power.

Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above-mentioned The changes and modifications of the embodiments will all fall within the scope of the claims of the present utility model.

Claims (6)

1. A high-voltage drainage clamp, characterized in that it includes a clamping base, a compression block, a tightening shaft, a column spring, a tightening shaft cap, a limit lock pin and a fixing screw, wherein: The lower part of the clamping base is provided with a wire clamping groove; the front and rear sides of the upper part of the clamping base are respectively provided with connecting blocks for installation tools, and the front side of the clamping base is longitudinally provided with a limit locking pin hole ; The left side of the clamping base is provided with a compression block groove, and the inner side of the compression block groove is provided with a compression block guide groove horizontally; the upper part of the right side of the clamping base is provided with a The through hole of the tightening shaft arranged horizontally, the limit lock pin hole communicates with the through hole of the tightened shaft; the lower part of the right side of the clamping base is provided with a fixed screw threaded hole arranged horizontally; The bottom end of the wire base is provided with a vertically arranged threaded hole for the lead wire, and the threaded hole for the lead wire communicates with the threaded hole of the fixing screw; The compression block includes a compression block tightening column and a crimping groove arranged at the bottom end thereof, the compression block tightening column is arranged horizontally, and a compression block is arranged laterally on the outer wall of the compression block tightening column. Block guide bar, the middle part of the tightening column of the pressing block is provided with a left and right through tightening shaft threaded hole; the pressing block is arranged in the pressing block groove, and the pressing block guiding bar is inserted into the In the guide groove of the pressing block, the threaded hole of the tightening shaft communicates with the through hole of the tightening shaft; One end of the tightening shaft passes through the column spring, the through hole of the tightening shaft of the clamping base and the threaded hole of the tightening shaft of the compression block in sequence, and is connected with the tightening shaft cap; The other end of the rotating shaft is a hexagonal head; The column spring is located between the hexagonal head of the tightening shaft and the right side of the clamping base, and the column spring is in a compressed state; The limit lock pin is inserted into the limit lock pin hole of the clamping base, and clamps the tightening shaft; The fixing screw is screwed into the fixing screw threaded hole of the clamping base. 2. A high-voltage drainage clamp according to claim 1, wherein a puncture needle mounting hole is provided on the inner side of the wire clamping groove of the wire clamping base, and a puncture needle mounting hole is provided on the puncture needle mounting hole. A puncture needle is attached. 3. A high-voltage drainage clamp according to claim 1, characterized in that, a high-voltage lead wire is threaded in the lead wire threaded hole of the clamping base, and the end of the high-voltage lead wire passes through the fixing screw The end of the clamp is fixed. 4. A special live installation tool for high-voltage drainage clamps according to claim 1, characterized in that it includes a clamp support rod, a ratchet socket wrench and a wrench operating lever, wherein: The wire clamp support rod includes an F-type wire clamp connecting block, a sleeve left support plate, a sleeve right support plate, a support base and an insulating support rod, and the F-type wire clamp connecting block, the sleeve left support plate and the sleeve The right support plate is sequentially arranged on the top of the support base from left to right, and the bottom end of the support base is fixed on the top of the insulating support rod; The side F-shaped plate and the right U-shaped plate, and the right U-shaped plate is blocked at the right end opening of the front F-shaped plate and the rear F-shaped plate; the left support plate of the sleeve and the right side of the sleeve Sleeve installation holes are respectively set on the support plate; The ratchet socket wrench includes an insulating handle, a ratchet socket head and a wrench operating ring. The insulating handle is hollow cylindrical, and one end of the insulating handle is connected to the ratchet socket head through an elastic cylindrical pin. The other end of the insulating handle is connected with the wrench operating ring through an elastic cylindrical pin; The wrench operating rod includes an operating base, an insulating operating rod, a U-shaped bracket and a wrench cylindrical pin, the operating base is fixed on the top of the insulating operating rod, and the bottom end of the U-shaped bracket is fixed on the bottom of the operating base. At the top, the two ends of the cylindrical pin of the wrench are connected with the two ends of the U-shaped bracket in a one-to-one correspondence; The clamp support rod and the wrench operating rod are arranged oppositely, and the two ends of the ratchet sleeve head are inserted into the sleeve installation holes on the left support plate and the right support plate of the sleeve in one-to-one correspondence; The wrench operating ring is located in the U-shaped bracket, and is sleeved on the wrench cylindrical pin. 5. A special live installation tool for high-voltage drainage clamp according to claim 4, characterized in that, the insulating support rod and the insulating operating rod respectively adopt a telescopic rod with adjustable length or a multi-section rod that can be spliced in multiple sections . 6. A special live installation tool for a high-voltage drainage clamp according to claim 4, characterized in that the connecting blocks of the installation tool on the front and rear sides of the clamping base of the high-voltage drainage clamp correspond one-to-one It is plugged into the front F-shaped plate and the rear F-shaped plate of the F-shaped cable clamp connecting block, and the hexagonal head of the tightening shaft of the high-voltage drainage clamp passes through the right side of the F-shaped cable clamp connecting block. The side U-shaped plate is inserted into the ratchet sleeve head behind.

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