CN213693097U - Strain clamp with protector - Google Patents

Abstract

The utility model discloses a strain clamp with a protector, which comprises a clamp main body, a U-shaped bolt positioning block, a connecting band, an upper protector unit, a lower protector unit, a wire pressing unit, a traction anti-drop unit and a connecting band bending groove; the tail of the wire clamp main body is provided with a traction hole, two sides of the lower part of the wire clamp main body are respectively fixedly connected with two U-shaped bolt positioning blocks, and the U-shaped bolt positioning blocks are provided with through holes; an upper protector unit: contain protector, recess, buckle and buckle bending groove, it cup joints in the outside of fastener main part to go up the protector, it has seted up the half slot to go up the protector at the income line mouth that corresponds with the fastener main part and the mouth department of being qualified for the next round of competitions, it has seted up the groove in the traction hole department that corresponds with the fastener main part to go up the protector, the outside of going up the protector is seted up flutedly, can prevent that live working personnel from touching by mistake and producing the danger of electrocuteeing, can protect the strain clamp not corroded by external material such as rain, snow, frost.

Description

Strain clamp with protector

Technical Field

The utility model relates to a strain clamp technical field specifically is a take strain clamp of protector.

Background

The strain clamp is used for fixing a wire so as to bear the tension of the wire and hang the wire to a strain insulator-string group or a hardware fitting on a tower, and the strain clamp can be divided into two types, the first type, according to the difference of the structure and the installation condition: the strain clamp is required to bear all tensile force of the lead or the lightning conductor, the clamp gripping force is not less than ninety percent of rated tensile force of the installed lead or the lightning conductor, but the strain clamp is not used as an electric conductor; the second type: the strain clamp not only bears all tensile force of a lead or a lightning conductor, but also serves as an electric conductor, in the prior art, the strain clamp is exposed outside a distribution line, the second type of charged strain clamp is easy to generate electric shock danger when a live-line operator mistakenly touches the strain clamp, and the exposed strain clamp is easy to corrode by external substances such as rain, snow, frost and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a take strain clamp of protector, can prevent that live working personnel from touching by mistake and produce the danger of electric shock, can protect strain clamp not corroded by external materials such as rain, snow, frost, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a strain clamp with a protector comprises a clamp main body, a U-shaped bolt positioning block, a connecting belt, an upper protector unit, a lower protector unit, a lead pressing unit, a traction anti-dropping unit and a connecting belt bending groove;

the tail of the wire clamp main body is provided with a traction hole, two sides of the lower part of the wire clamp main body are respectively fixedly connected with two U-shaped bolt positioning blocks, and the U-shaped bolt positioning blocks are provided with through holes;

an upper protector unit: the cable clamp comprises an upper protector, a groove, buckles and buckle bending grooves, wherein the upper protector is sleeved on the outer side of a cable clamp main body, semicircular grooves are formed in a cable inlet and a cable outlet corresponding to the cable clamp main body of the upper protector, the groove is formed in a traction hole corresponding to the cable clamp main body of the upper protector, the groove is formed in the outer side of the upper protector, the three buckles are fixedly connected to the periphery of the upper protector, and the buckle bending grooves are formed in the upper side of the buckles;

the lower protector unit comprises clamping blocks, a lower protector, positioning rods and a boss, wherein three clamping blocks are fixed around the lower protector, the lower protector is sleeved on the other side of the wire clamp main body, semicircular grooves are formed in a wire inlet and a wire outlet of the lower protector corresponding to the wire clamp main body, a groove is formed in a traction hole corresponding to the wire clamp main body of the lower protector, the outer side of the lower protector is fixedly connected with the lower side of the boss, and seven positioning rods are fixedly connected to the upper surface of the inner side of the lower protector around the wire clamp main body;

a wire pressing unit: the U-shaped bolt positioning block is arranged on the U-shaped bolt positioning block;

a traction anti-drop unit: is arranged in a traction hole arranged at the tail part of the wire clamp main body;

connecting a belt: one end of each of the two connecting bands is fixedly connected with an upper protector, the other end of each of the two connecting bands is fixedly connected with a lower protector, and a connecting band bending groove is formed in the middle of each of the two connecting bands;

the outer sides of the upper protector and the lower protector are closely attached, the groove is movably clamped with the boss, and the buckle is movably clamped with the clamping block.

The protector cover is in one side of fastener main part down, makes the fastener main part be located between seven locating levers, then will go up the protector and buckle through the connecting band bending groove on the connecting band and come, makes recess and boss agree with, then buckle the buckle through buckle bending groove and come with the fixture block joint, fixes last protector and lower protector, protects the fastener main part, prevents that the staff from electrocuteeing.

Further, the wire pressing unit comprises a first nut, a gasket, a wire protection tube, a wire pressing block and a U-shaped bolt, the U-shaped bolt is slidably connected in a hole formed in a U-shaped bolt positioning block, the first nut is in threaded connection with the end of the U-shaped bolt, the gasket is sleeved on the U-shaped bolt and located below the first nut, the pressing block is located on the inner side of the wire clamp main body, and the wire protection tube is located between the pressing block and the inner side of the wire clamp main body. Pass the wire protection tube with the wire, then place the wire briquetting under U type bolt, use the spanner to tighten nut one, make the briquetting compress tightly the wire protection tube, wire protection tube atress deformation and wire laminating, the wire protection tube provides the protection to the wire, prevents that the briquetting from directly compressing tightly the wire and causing irreversible harm to the wire.

Further, pull anticreep unit and contain bolt, nut two, pin and ring, the bolt passes the traction hole that fastener main part afterbody was seted up and sliding connection with it, the through-hole has been seted up to the lower extreme of bolt, nut two and bolt threaded connection, the through-hole sliding connection that the lower extreme of pin and bolt was seted up, the end swing joint of ring and pin. Place the anchorage between the towing hole of fastener main part afterbody both sides, then pass the ring of towing hole and anchorage with the bolt, tighten nut two, then insert the pin in the through-hole of bolt tip, rotate the afterbody of pin with the ring, prevent that nut two from droing the bolt.

Furthermore, still include sealing washer and rubber strip, the sealing washer has four and respectively fixed connection at the semi-circular groove outside of seting up on last protector and lower protector, rubber strip fixed connection is in the one end of sealing washer. The rubber strip provides protection for the wire, and the sealing ring enables no gap to be formed between the wire and the upper protector and between the wire and the lower protector.

Further, still including the department fixed block of being qualified for the next round of competitions and income line department fixed block, the through-hole has been seted up on the department fixed block of being qualified for the next round of competitions, it has four and fixed connection in last protector and the both sides of protector department of being qualified for the next round of competitions to go out the line department fixed block, it has four and fixed connection in last protector and the both sides of protector income line department down to go out the line department fixed block. And the plastic binding belt penetrates through the through hole of the fixing block at the wire outlet position to tighten the binding belt, the sealing ring at the wire outlet position is tightly attached to the lead, and then the plastic binding belt penetrates through the through hole of the fixing block at the wire inlet position to tighten the binding belt, so that the sealing ring at the wire inlet position is tightly attached to the lead.

Compared with the prior art, the beneficial effects of the utility model are that: this take strain clamp of protector has following benefit:

1. the strain clamp with the protector is provided with an upper protector unit and a lower protector unit, the lower protector is sleeved on one side of a clamp main body, the clamp main body is positioned between seven positioning rods, then the upper protector is bent through a connecting band bending groove on a connecting band, a groove and a boss are matched, then a buckle is bent through a buckle bending groove and clamped with a clamping block, the upper protector and the lower protector are fixed, and the upper protector and the lower protector made of insulating materials can prevent operators from electric shock and can also protect the clamp main body;

2. the strain clamp with the protector is provided with the wire pressing unit for enabling the wire to penetrate through the wire protection tube, then the wire pressing block is placed under the U-shaped bolt, the nut is tightened by using the wrench, the pressing block presses the wire protection tube, the wire protection tube is stressed and deformed to be attached to the wire, and the wire protection tube can prevent the pressing block from damaging the wire;

3. this take strain clamp of protector has set up and has pull between the traction hole that anticreep unit anchor placed fastener main part afterbody both sides, then passes the ring of traction hole and anchor with the bolt, and nut two is tightened, then inserts the pin in the through-hole of bolt tip, rotates the afterbody of pin with the ring, prevents that nut two from droing the bolt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic view of the local bottom view structure of the present invention.

In the figure: 1 fastener main part, 2U type bolt locating piece, 3 connecting bands, 4 protector units, 41 protectors, 42 recesses, 43 buckles, 44 buckle bending grooves, 5 protector units down, 51 fixture blocks, 52 protectors down, 53 locating rods, 54 bosses, 6 wire pressing units, 61 nut I, 62 washers, 63 wire protection tubes, 64 wire pressing blocks, 65U type bolts, 7 traction anti-drop units, 71 bolts, 72 nut II, 73 pins, 74 rings, 8 connecting band bending grooves, 9 sealing rings, 10 rubber strips, 11 fixed blocks at outgoing lines, 12 fixed blocks at incoming lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a strain clamp with a protector comprises a clamp main body 1, a U-shaped bolt positioning block 2, a connecting belt 3, an upper protector unit 4, a lower protector unit 5, a lead pressing unit 6, a traction anti-drop unit 7 and a connecting belt bending groove 8;

the tail of the wire clamp main body 1 is provided with a traction hole, two sides of the lower part of the wire clamp main body 1 are respectively fixedly connected with two U-shaped bolt positioning blocks 2, and the U-shaped bolt positioning blocks 2 are provided with through holes; the wire clamp main body 1 is made of gray cast iron,

upper protector unit 4: the cable clamp comprises an upper protector 41, a groove 42, buckles 43 and buckle bending grooves 44, wherein the upper protector 41 is sleeved on the outer side of a cable clamp main body 1, the upper protector 41 is provided with semicircular grooves at a cable inlet and a cable outlet corresponding to the cable clamp main body 1, the upper protector 41 is provided with a groove at a traction hole corresponding to the cable clamp main body 1, the outer side of the upper protector 41 is provided with the groove 42, the periphery of the upper protector 41 is fixedly connected with the three buckles 43, and the upper side of each buckle 43 is provided with the buckle bending groove 44; the upper protector 41 is made of insulating flame-retardant plastic.

The lower protector unit 5 comprises fixture blocks 51, a lower protector 52, positioning rods 53 and bosses 54, three fixture blocks 51 are fixed around the lower protector 52, the lower protector 52 is sleeved on the other side of the wire clamp main body 1, semicircular grooves are formed in the wire inlet and the wire outlet of the lower protector 52 corresponding to the wire clamp main body 1, grooves are formed in the traction hole of the lower protector 52 corresponding to the wire clamp main body 1, the outer side of the lower protector 52 is fixedly connected with the lower side of the bosses 54, and seven positioning rods 53 are fixedly connected to the upper surface of the inner side of the lower protector 52 around the wire clamp main body 1; the material of the lower protector 52 is insulating flame retardant plastic. The lower protector 52 is sleeved on one side of the wire clamp body 1, the wire clamp body 1 is located between seven positioning rods 53, then the upper protector 41 is bent through the connecting belt bending groove 8 on the connecting belt 3, the groove 42 and the boss 54 are matched, then the buckle 43 is bent through the buckle bending groove 44 to be clamped with the clamping block 51, and the upper protector 41 and the lower protector 52 are fixed.

Wire pressing unit 6: is arranged on the U-shaped bolt positioning block 2; wire compressing unit 6 contains nut 61, packing ring 62, wire protection tube 63, wire briquetting 64 and U type bolt 65, and U type bolt 65 sliding connection is downthehole in the offering on U type bolt locating piece 2, and nut 61 and U type bolt 65's tip threaded connection, and packing ring 62 cup joints on U type bolt 65 and is located the below of nut 61, and briquetting 64 is located the inboard of fastener main part 1, and wire protection tube 63 is located between briquetting 64 and the fastener main part 1 inboard. The lower protector 52 is sleeved on one side of the wire clamp body 1, the wire clamp body 1 is located between seven positioning rods 53, then the upper protector 41 is bent through the connecting belt bending groove 8 on the connecting belt 3, the groove 42 and the boss 54 are matched, then the buckle 43 is bent through the buckle bending groove 44 to be clamped with the clamping block 51, and the upper protector 41 and the lower protector 52 are fixed.

Traction anti-drop unit 7: is arranged in a traction hole arranged at the tail part of the wire clamp main body 1; the traction anti-drop unit 7 comprises a bolt 71, a second nut 72, a pin 73 and a ring 74, the bolt 71 penetrates through a traction hole formed in the tail of the wire clamp body 1 and is in sliding connection with the traction hole, a through hole is formed in the lower end of the bolt 71, the second nut 72 is in threaded connection with the bolt 71, the pin 73 is in sliding connection with the through hole formed in the lower end of the bolt 71, and the ring 74 is movably connected with the end portion of the pin 73. The fixing anchor is placed between the drawing holes on the two sides of the tail of the wire clamp body 1, then the bolt 71 penetrates through the drawing holes and the ring of the fixing anchor, the second nut 72 is tightened, then the pin 73 is inserted into the through hole in the end of the bolt 71, and the ring 74 is rotated to the tail of the pin 73 to prevent the second nut 72 from falling off the bolt 71.

Connecting the belt 3: one end of each of the two connecting bands 3 is fixedly connected with the upper protector 41, the other end of each of the two connecting bands 3 is fixedly connected with the lower protector 52, and the middle parts of the two connecting bands 3 are provided with connecting band bending grooves 8; the connecting band 3 connects the upper protector 41 and the lower protector 52 together, and the connecting band bending groove 8 facilitates the bending of the connecting band 3.

The protector further comprises four sealing rings 9 and four rubber strips 10, the four sealing rings 9 are respectively and fixedly connected to the outer sides of the semicircular grooves formed in the upper protector 41 and the lower protector 52, and the rubber strips 10 are fixedly connected to one ends of the sealing rings 9. The wire outlet protection device further comprises a wire outlet fixing block 11 and a wire inlet fixing block 12, a through hole is formed in the wire outlet fixing block 11, a through hole is formed in the wire inlet fixing block 12, the wire outlet fixing block 11 is provided with four sides fixedly connected to the wire outlet positions of the upper protector 41 and the lower protector 52, and the wire inlet fixing block 12 is provided with four sides fixedly connected to the wire inlet positions of the upper protector 41 and the lower protector 52. And the plastic binding belt penetrates through the through hole of the fixing block 11 at the wire outlet position to tighten the binding belt, so that the sealing ring 9 at the wire outlet position is tightly attached to the wire, and the plastic binding belt penetrates through the through hole of the fixing block 12 at the wire inlet position to tighten the binding belt, so that the sealing ring 8 at the wire inlet position is tightly attached to the wire.

Wherein, the outer sides of the upper protector 41 and the lower protector 52 are closely attached, the groove 42 is movably clamped with the boss 54, and the buckle 43 is movably clamped with the fixture block 51.

When in use:

a lead penetrates through a lead protection pipe 63, a lead pressing block 64 is placed under a U-shaped bolt 65, a wrench is used for tightening a first nut 61, the pressing block 54 is enabled to press the lead protection pipe 63 tightly, the lead protection pipe 63 is stressed and deformed to be attached to the lead, a fixing anchor is placed between traction holes on two sides of the tail of a wire clamp body 1, a bolt 71 penetrates through the traction holes and a ring of the fixing anchor, a second nut 72 is tightened, a pin 73 is inserted into a through hole in the end portion of the bolt 71, a ring 74 is rotated to the tail portion of the pin 73 to prevent the second nut 72 from falling off the bolt 71, a lower protector 52 is sleeved on one side of the wire clamp body 1 to enable the wire clamp body 1 to be located between seven positioning rods 53, then an upper protector 41 is bent through a connecting belt bending groove 8 on a connecting belt 3 to enable a groove 42 to be matched with a boss 54, and then a buckle 43 is bent through a, the upper protector 41 and the lower protector 52 are fixed, then a plastic binding belt penetrates through a through hole of the wire outlet fixing block 11, the binding belt is tensioned, the sealing ring 9 at the wire outlet is attached to a lead, and then the plastic binding belt penetrates through a through hole of the wire inlet fixing block 12, the binding belt is tensioned, and the sealing ring 8 at the wire inlet is attached to the lead.

It should be noted that, in this embodiment, the wire clamp body 1 is made of gray cast iron, and is integrally cast and molded by using a mold, the upper protector 41 and the lower protector 52 are made of insulating flame retardant plastic, and are integrally injection-molded by using an injection molding machine, and because the toughness of the insulating flame retardant plastic is low, the connecting band 3 and the buckle 43 are not easily bent for many times, or are easily broken.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a take strain clamp of protector which characterized in that: the wire clamp comprises a wire clamp main body (1), a U-shaped bolt positioning block (2), a connecting belt (3), an upper protector unit (4), a lower protector unit (5), a wire pressing unit (6), a traction anti-dropping unit (7) and a connecting belt bending groove (8);

the tail of the wire clamp main body (1) is provided with a traction hole, two sides of the lower part of the wire clamp main body (1) are respectively and fixedly connected with two U-shaped bolt positioning blocks (2), and the U-shaped bolt positioning blocks (2) are provided with through holes;

upper protector unit (4): the cable clamp comprises an upper protector (41), a groove (42), buckles (43) and buckle bending grooves (44), wherein the upper protector (41) is sleeved on the outer side of a cable clamp main body (1), semicircular grooves are formed in the positions, corresponding to the cable clamp main body (1), of a cable inlet and a cable outlet of the upper protector (41), grooves are formed in the positions, corresponding to the cable clamp main body (1), of traction holes of the upper protector (41), the groove (42) is formed in the outer side of the upper protector (41), three buckles (43) are fixedly connected to the periphery of the upper protector (41), and the buckle bending grooves (44) are formed in the upper side of the buckles (43);

the lower protector unit (5) comprises clamping blocks (51), a lower protector (52), positioning rods (53) and bosses (54), the three clamping blocks (51) are fixed on the periphery of the lower protector (52), the lower protector (52) is sleeved on the other side of the wire clamp main body (1), semicircular grooves are formed in wire inlet and wire outlet positions of the lower protector (52) corresponding to the wire clamp main body (1), grooves are formed in traction holes of the lower protector (52) corresponding to the wire clamp main body (1), the outer side of the lower protector (52) is fixedly connected with the lower side of the bosses (54), and seven positioning rods (53) are fixedly connected to the upper surface of the inner side of the lower protector (52) around the wire clamp main body (1);

wire pressing unit (6): is arranged on the U-shaped bolt positioning block (2);

traction anti-drop unit (7): is arranged in a traction hole arranged at the tail part of the wire clamp main body (1);

connecting band (3): one end of each of the two connecting bands (3) is fixedly connected with an upper protector (41), the other end of each of the two connecting bands (3) is fixedly connected with a lower protector (52), and a connecting band bending groove (8) is formed in the middle of each of the two connecting bands (3);

the outer sides of the upper protector (41) and the lower protector (52) are closely attached, the groove (42) is movably clamped with the boss (54), and the clamp block (43) is movably clamped with the clamp block (51).

2. The strain clamp with the protector of claim 1, wherein: wire compresses tightly unit (6) and contains nut (61), packing ring (62), wire protection tube (63), wire briquetting (64) and U type bolt (65), U type bolt (65) sliding connection is downthehole in offering on U type bolt locating piece (2), the tip threaded connection of nut (61) and U type bolt (65), packing ring (62) cup joint on U type bolt (65) and are located the below of nut (61), briquetting (64) are located the inboard of fastener main part (1), wire protection tube (63) are located between briquetting (64) and fastener main part (1) inboard.

3. The strain clamp with the protector of claim 1, wherein: pull anticreep unit (7) and contain bolt (71), nut two (72), pin (73) and ring (74), traction hole that fastener main part (1) afterbody was seted up is passed in bolt (71) with it sliding connection, the through-hole has been seted up to the lower extreme of bolt (71), nut two (72) and bolt (71) threaded connection, the through-hole sliding connection that the lower extreme of pin (73) and bolt (71) was seted up, the tip swing joint of ring (74) and pin (73).

4. The strain clamp with the protector of claim 1, wherein: still include sealing washer (9) and rubber strip (10), sealing washer (9) have four and respectively fixed connection at last protector (41) and the semi-circular slot outside of seting up on protector (52) down, rubber strip (10) fixed connection is in the one end of sealing washer (9).

5. The strain clamp with the protector of claim 1, wherein: still including the department fixed block of being qualified for the next round of competitions (11) and income line department fixed block (12), the through-hole has been seted up on the department fixed block of being qualified for the next round of competitions (11), the through-hole has been seted up on the department fixed block of being qualified for the next round of competitions (12), it has four and fixed connection in last protector (41) and protector (52) both sides of being qualified for the next round of competitions department fixed block (11) to be qualified for the next round of competitions, it has four and fixed connection in last protector (41) and protector (52) both sides of being qualified.

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