CN114976997A - High-voltage drainage wire clamp and special electrified mounting tool thereof - Google Patents

Abstract

The invention discloses a high-voltage drainage wire clamp and a special electrified installation tool thereof, wherein the high-voltage drainage wire clamp comprises a wire clamping base, a pressing block, a tightening rotating shaft, a column spring, a tightening rotating shaft cap, a limiting lock pin and a fixing screw; the special electrified installation tool comprises a wire clamp supporting rod, a ratchet socket wrench and a wrench operating rod, wherein the wire clamp supporting rod and the wrench operating rod are arranged oppositely, and the wire clamp supporting rod and the wrench operating rod are connected through the ratchet socket wrench. The high-voltage drainage wire clamp and the special electrified installation tool thereof change the situation that the existing high-voltage drainage wire clamp mostly adopts a bottom pull ring vertical tightening mode, adopts horizontal tightening, is matched with the special electrified installation tool, have the characteristics of convenient wire hanging, difficult falling of the tightened wire, easy and effortless wire pressing puncture and the like, are accurate in installation position determination by using the installation tool, do not depend on the force of hooking the overhead wire in the process of tightening the high-voltage drainage wire clamp, and have small influence on a circuit.

Description

A high-voltage drain wire clip and its special live installation tool

technical field

The invention relates to a high-voltage drain wire clip and a special live installation tool thereof.

Background technique

In the 10kV distribution line, the overhead line in the urban area has been basically insulated. In the case of equipment access, line maintenance, etc., or strip the insulated wire to expose the inner core wire and connect it (power failure maintenance and hanging ground wire), or Use direct puncture for lap joints (installation of lightning protection equipment, etc.).

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

If the drain wire clamp clamps the stripped part of the bare wire or the insulated wire, it can be effectively contacted, but for the unstripped insulated wire, the lower end pull ring drives the rotating rod to tighten the compression block, and it also needs to be punctured and inserted, which seems a little laborious. And it's unreliable and unreliable.

Moreover, the various drainage wire clips in the prior art do not have special live installation tools, and the lower end of the rotating rod 2' is provided with a pull ring 1'. In use, it is easy to loosen during the lifting process. In the process of tightening the wire, it is necessary to hang the wire downward. Otherwise, the wire clip will easily fall off during the tightening process by hooking the pull ring, posing a safety hazard.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the defects of the prior art, and to provide a high-voltage drain wire clip and a dedicated live installation tool. , Easy to install and reliable to use.

The technical solution for achieving the above purpose is: a high-voltage drainage wire clamp, comprising a wire 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 wire clamping base is provided with a wire clamping slot; the front and rear sides of the upper part of the wire clamping base are respectively provided with installation tool connecting blocks, and the front side of the wire clamping base is longitudinally provided with a limit lock pin hole ; The left side of the wire clamping base is provided with a pressing block groove, and the inner groove wall of the pressing block groove is laterally provided with a pressing block guide groove; the upper part of the right side of the wire clamping base is provided with A transversely arranged through hole of the tightening shaft, the limit lock pin hole is communicated with the through hole of the tightening shaft; the lower part of the right side of the wire clamping base is provided with a laterally arranged fixing screw thread hole; The bottom end of the wire base is provided with a vertically arranged lead screw hole, and the lead screw hole is communicated with the fixing screw screw hole;

The pressing block includes a pressing block tightening column and a wire pressing groove arranged at the bottom end thereof, the pressing block tightening column is arranged laterally, and a pressing force is laterally arranged on the outer side wall of the pressing block tightening column. block guide strip, the middle part of the tightening column of the pressure block is provided with a screw hole for tightening the rotating shaft through the left and right; the pressure block is arranged in the groove of the pressure block, and the guide strip of the pressure block is inserted 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 is connected to the tightening shaft cap after passing through the column spring, the tightening shaft through hole of the clamping wire base and the tightening shaft threaded hole of the compression block in sequence; The other end of the shaft is a hexagonal head;

The column spring is located between the hexagonal head of the tightening shaft and the right side of the wire 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 wire clamping base, and the tightening shaft is locked in place to ensure that the tightening shaft is not released by the reverse elastic force of the column spring, ensuring that all The tightening shaft only rotates without displacement during installation;

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

In the above-mentioned high-voltage drainage wire clip, a puncture needle installation hole is opened on the inner groove wall of the wire clamping groove of the wire clamping base, and a puncture needle is connected to the puncture needle installation hole.

In the above-mentioned high-voltage drainage wire clip, a high-voltage lead wire is threadedly connected in the lead screw hole of the wire clamping base, and the end of the high-voltage lead wire is pressed and fixed by the end of the fixing screw.

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

The wire clip support rod includes an F-type wire clip connection block, a sleeve left support plate, a sleeve right support plate, a support base and an insulating support rod. The F-type wire clamp connection 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; side F-shaped plate and right U-shaped plate, and the right U-shaped plate is closed at the right end openings of the front side F-shaped plate and the rear side F-shaped plate; the left support plate of the sleeve and the right side of the sleeve are Sleeve mounting holes are respectively provided 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 in the form of a hollow cylinder, 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. 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 wire clamp support rod and the wrench operating rod are arranged oppositely, and the two ends of the ratchet sleeve head are sleeved into the sleeve installation holes on the sleeve left support plate and the sleeve right support plate in a one-to-one correspondence; The wrench operating ring is located in the U-shaped bracket and is sleeved on the wrench cylindrical pin.

In the above-mentioned special live installation tool for a high-voltage drain clamp, the insulating support rod and the insulating operating rod are respectively a telescopic rod with adjustable length or a multi-section rod that can be spliced in multiple sections.

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

The high-voltage drainage wire clip and its dedicated live installation tool of the present invention, the high-voltage drainage wire clip is tightened in the horizontal direction, matched with the special live installation tool, and has the advantages of convenient hanging of wires, not easy to drop the tightened wires, and easy and effortless pressure line puncture. and other characteristics, and the installation tool is used to determine the precise installation position. In the process of tightening the high-voltage drainage wire clamp, it does not depend on the force of hooking the overhead wire, and has little impact on the line.

Description of drawings

Fig. 1 is the structural representation of a kind of drainage wire clip in the prior art;

Fig. 2 is the structural representation of another kind of drainage wire clip in the prior art;

Fig. 3 is the structural representation of the third type of drainage wire clip in the prior art;

Fig. 4 is the three-dimensional structure diagram of the high-voltage drainage wire clip of the present invention;

Fig. 5 is the three-dimensional structure view (front view direction) of the clamping wire base of the high-voltage drainage wire clip of the present invention;

Fig. 6 is the structural representation (looking up direction) of the clamping wire base of the high-voltage drainage wire clip of the present invention;

Fig. 7 is the structural representation of the pressing block of the high-voltage drainage wire clip of the present invention;

Fig. 8 is the structural representation of the special-purpose live installation tool of the high-voltage drain wire clip of the present invention;

Fig. 9 is the structural representation of the wire clip support rod of the special-purpose live installation tool of the high-voltage drainage wire clip of the present invention;

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

11 is a schematic structural diagram of a wrench operating rod of a dedicated live installation tool for a high-voltage drain clip of the present invention;

12 is a state diagram of the high-voltage drain wire clip of the present invention and its dedicated live installation tool.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the specific embodiments thereof will be described in detail below with reference to the accompanying drawings:

Please refer to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, an embodiment of the present invention, a high-voltage drainage wire clamp, comprising a wire clamping base 1, a pressing block 7, a tightening shaft 3, a column spring 2, a 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 connecting blocks 11, and the front side of the wire clamping base 1 is longitudinally provided with a limit lock pin hole 12 The left side of the card wire base 1 is provided with a pressing block groove 16, and the inner groove wall of the pressing block groove 16 is laterally provided with a pressing block guide groove 17; the upper part of the right side of the card wire base 1 is provided with a horizontal The provided 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 wire clamping base 1 is provided with a horizontally arranged fixing screw threaded hole 19; the wire clamping base 1 The bottom end is provided with a vertically arranged lead screw hole 14, and the lead screw hole 14 communicates with the fixing screw screw hole 19.

The pressing block 7 includes a pressing block tightening column 71 and a wire pressing groove 74 arranged at the bottom end thereof. The pressing block tightening column 71 is arranged laterally, and a pressing block is laterally arranged on the outer side wall of the pressing block tightening column 71 In the guide bar 72, the middle part of the compression block tightening column 71 is laterally provided with a left and right through tightening shaft screw hole 73; the compression block 71 is arranged in the compression block groove 16, and the compression block guide bar 72 is inserted in the compression block. In this way, the pressing block 71 can move left and right along the pressing block guide groove 17 , and the tightening shaft threaded hole 73 communicates 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 wire clamping base 1 and the tightening shaft threaded hole 73 of the pressing block 7 in sequence, and then connected to 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 wire 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 wire clamping base 1; the column spring 2 In a certain compressed state, the limit lock pin 4 is inserted into the limit lock pin hole 12 of the cable base 1, and the clamping position tightens the rotating shaft 3 to ensure that the tightening rotating shaft 3 is not released by the reverse elastic force of the column spring 2, ensuring that The tightening shaft 3 only rotates without displacement during installation, so that the tightening shaft 3 drives the pressing block 7 to slide in the pressing block guide groove 17 of the wire clamping base 1 during the rotation process.

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

In the high-voltage drainage wire clip of the present invention, a puncture needle 6 can be added as required, and two puncture needle installation holes 13 are formed on the inner groove wall of the wire clamping groove 15 of the wire clamping base 1, and the puncture needle 6 is installed in the puncture needle 6. The pin mounting hole 13 can be used for unstripped wiring of insulated wires. If a puncture method is not used or a bare wire is used, the puncture needle 6 may not be installed.

Please refer to FIGS. 8 , 9 , 10 and 11 , an embodiment of the present invention, a dedicated live installation tool for a high-voltage drain clamp, includes a clamp support rod 9 , a ratchet socket wrench 10 and a wrench operating rod 20 .

The clamp support rod 9 includes an F-type clamp connection 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 clamp connection block 92, and a sleeve left support plate. 92 and the sleeve right support plate 93 are sequentially arranged on the top of the support base 94 from left to right, and the bottom end of the support base 94 is fixed on the top of the insulating support rod 95; The rear side F-type plate and the right side U-type plate, and the right side U-type plate is closed at the right end opening of the front side F-type plate and the rear side F-type plate; the sleeve left support plate 92 and the sleeve right support plate Sleeve mounting holes are respectively provided 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 in the form of a hollow cylinder, and one end of the insulating handle 102 is connected to the ratchet socket head 101 through an elastic cylindrical pin 104. The other end of 102 is connected to the wrench operating ring 103 through elastic cylindrical pins 104 .

The wrench operating rod 20 includes an operating base 203 , an insulating operating rod 204 , a U-shaped bracket 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 bracket 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 a one-to-one correspondence.

The wire clamp support rod 9 and the wrench operating rod 20 are arranged opposite to each other, and the wire clamp support rod 9 and the wrench operating rod 20 are connected by the ratchet socket wrench 10. The sleeve mounting holes on the left support plate 92 of the sleeve and the right support plate 93 of the sleeve; the wrench operating ring 103 is located in the U-shaped bracket 202 and is sleeved on the wrench cylindrical pin 201 . 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 drain clamp is integrated in actual use and cannot be disassembled temporarily. The insulating support rod 95 and the insulating operating rod 204 are respectively 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. When using the high-voltage drain wire clip and its dedicated live installation tool of the present invention, firstly screw the high-voltage lead wire into the lead wire threaded hole 14 of the wire clip base 1 through the thread, and then screw the fixing screw thread after tightening it. The fixing screw 5 in the hole 19 is tightened and fixed; then the installation tool connecting blocks 11 on the front and rear sides of the card wire base 1 of the high-voltage drainage wire clip are inserted into the front of the F-type wire clip connecting block 91 in one-to-one correspondence. In the side F-type plate and the rear side F-type plate, the hexagonal head of the tightening shaft 3 of the high-voltage drainage clamp 1 passes through the right U-type plate of the F-type clamp connecting block 91 and then is sleeved into the ratchet sleeve head 101 .

The special live installation tool, after being inserted through the above cooperation, use the insulating support rod 95 to slowly hang the high-voltage drainage wire clip into the overhead wire through the wire clamping slot 15. The ratchet sleeve head 101 rotates to tighten the 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 is fastened in the wire clamping groove 15 of the wire clamping base 1 and the wire pressing groove 74 of the compression block 7, and the puncture The needle 6 is then submerged into the insulated wire insulation.

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 in the horizontal direction.

To sum up, the high-voltage drain wire clip of the present invention and its special live installation tool, which are used to change the current high-voltage drain wire clip, mostly adopt the bottom pulling ring to tighten vertically and tighten in the horizontal direction, and match the special live installation tool. It is convenient to hang the wire, not easy to drop when tightening the wire, and easy and effortless for crimping and puncturing, and the installation tool is used to determine the precise installation position. In the process of tightening the high-voltage drainage clip, it does not depend on the force of hooking the overhead wire. , the impact on the line is small.

The invention provides a reliable product basis and tool basis 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 installing the lightning protection device without power failure, and reduce the work of adjusting the operation mode of the power grid and the operation of changing the state of the equipment. , which can greatly improve the reality that there are few lightning protection measures for key lines due to inability to power outages.

Those skilled in the art should realize that the above embodiments are only used to illustrate the present invention, but not to limit the present invention. Changes and modifications will fall within the scope of the claims of the present invention.

Claims (6)

1. A high-voltage drainage wire clamp, characterized in that it comprises a wire-tightening 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 wire clamping base is provided with a wire clamping slot; the front and rear sides of the upper part of the wire clamping base are respectively provided with installation tool connecting blocks, and the front side of the wire clamping base is longitudinally provided with a limit lock pin hole ; The left side of the wire clamping base is provided with a pressing block groove, and the inner groove wall of the pressing block groove is laterally provided with a pressing block guide groove; the upper part of the right side of the wire clamping base is provided with A transversely arranged through hole of the tightening shaft, the limit lock pin hole is communicated with the through hole of the tightening shaft; the lower part of the right side of the wire clamping base is provided with a laterally arranged fixing screw thread hole; The bottom end of the wire base is provided with a vertically arranged lead screw hole, and the lead screw hole is communicated with the fixing screw screw hole; The pressing block includes a pressing block tightening column and a wire pressing groove arranged at the bottom end thereof, the pressing block tightening column is arranged laterally, and a pressing force is laterally arranged on the outer side wall of the pressing block tightening column. block guide strip, the middle part of the tightening column of the pressure block is provided with a screw hole for tightening the rotating shaft through the left and right; the pressure block is arranged in the groove of the pressure block, and the guide strip of the pressure block is inserted 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 is connected to the tightening shaft cap after passing through the column spring, the tightening shaft through hole of the clamping wire base and the tightening shaft threaded hole of the compression block in sequence; The other end of the shaft is a hexagonal head; The column spring is located between the hexagonal head of the tightening shaft and the right side of the wire 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 wire clamping base to lock the tightening shaft; The fixing screw is screwed into the fixing screw threaded hole of the wire clamping base. 2 . The high-voltage drainage wire clip according to claim 1 , wherein a puncture needle mounting hole is provided on the inner groove wall of the wire clipping groove of the wire clipping base, and the puncture needle mounting hole is provided with a puncture needle. A puncture needle is attached. 3 . The high-voltage drain clamp according to claim 1 , wherein a high-voltage lead is threaded in the lead screw hole of the wire clamping base, and the end of the high-voltage lead passes through the fixing screw. 4 . The end is pressed and fixed. 4. a special-purpose live installation tool of a high-voltage drainage wire clamp as claimed in claim 1, is characterized in that, comprises wire clamp support rod, ratchet socket wrench and wrench operating rod, wherein: The wire clip support rod includes an F-type wire clip connection block, a sleeve left support plate, a sleeve right support plate, a support base and an insulating support rod. The F-type wire clamp connection 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; side F-shaped plate and right U-shaped plate, and the right U-shaped plate is closed at the right end openings of the front side F-shaped plate and the rear side F-shaped plate; the left support plate of the sleeve and the right side of the sleeve are Sleeve mounting holes are respectively provided 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 in the form of a hollow cylinder, 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. 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 wire clamp support rod and the wrench operating rod are arranged oppositely, and the two ends of the ratchet sleeve head are sleeved into the sleeve installation holes on the sleeve left support plate and the sleeve right support plate in a one-to-one correspondence; The wrench operating ring is located in the U-shaped bracket and is sleeved on the wrench cylindrical pin. 5. The special-purpose live installation tool of a high-voltage drain clip according to claim 4, wherein the insulating support rod and the insulating operating rod are respectively a telescopic rod with adjustable length or a multi-section rod that can be spliced in multiple sections. . 6. The special-purpose live installation tool of a high-voltage drainage wire clip according to claim 4, wherein the installation tool connecting blocks on the front and rear sides of the clip base of the high-voltage drainage wire clip correspond one-to-one The hexagonal head of the tightening shaft of the high-voltage drainage wire clip passes through the right side of the F-type wire clip connecting block. The side U-shaped plate is then sleeved into the ratchet sleeve head.

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