CN201112578Y

CN201112578Y - Insulation conducting wire puncture connection device

Info

Publication number: CN201112578Y
Application number: CNU2007201732981U
Authority: CN
Inventors: 李陆君
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-21
Filing date: 2007-09-21
Publication date: 2008-09-10
Anticipated expiration: 2017-09-21

Abstract

The utility model belongs to insulated wire stabbing and connecting devices. For solving the high complexity and high construction cost problems of the prior stabbing and connecting device, the utility model provides an insulated wire stabbing and connecting device, allowing the connection portion of an insulated wire to be connected to have enough current-carrying capacity. The insulated wire stabbing and connecting device comprises an upper press plier and a lower press plier that are arranged in pair and a compaction structure, wherein at least two set of stabbing pointed teeth are arranged on the upper press plier, at least two set of stabbing pointed teeth are arranged on the lower press plier, each of the pointed teeth on the upper press plier is corresponding to each of the pointed teeth on the lower press plier, and the tips of each of the pointed teeth on the upper press plier are toward the tips of each of the pointed teeth on the lower press plier; the number of the upper press plier is more than 1, a plurality of upper press pliers are connected via an upper connecting shaft, and a plurality of lower press pliers are connected via a lower connecting shaft; and the compaction structure comprises the upper connecting shaft, the lower connecting shaft, a bolt for movably connecting the upper and lower connecting shafts, and a nut matched with the bolt.

Description

Insulation conducting wire puncture connection device

Technical field

The utility model relates to a kind of lead connection device, particularly a kind of insulated conductor puncture connection device.

Background technology

The original main bare conductor that uses of domestic power distribution network, as carrying out the connection between lead, the connecting portion close contact of 2 leads that only need will connect, and be fixed and get final product, along with domestic 35 kilovolts and following power distribution network use insulated conductor more and more widely, connected mode originally is inapplicable.Between insulated conductor, connect, need make the failure of insulation of wanting connecting portion, could realize that the Electricity Federation is logical, easier a kind of method is to use the penetration type binding clip of band pointed tooth, make the pointed tooth insulation-piercing by exerting pressure and be pressed into 2 thoroughly doing away with in the conductor of edge leads of to connect, make between two eradication edge leads and realize that the Electricity Federation is logical, utility model patent 200420079655.4 discloses a kind of penetration type binding clip, but the puncture tip number of teeth amount that this class penetration type binding clip contacts with the insulated conductor conductor is less, the contact area of puncture pointed tooth and insulated conductor conductor is little, ampacity and coefficient of safety for the binding clip that guarantees to puncture, often a plurality of puncture binding clips to be installed simultaneously, thereby make the work that connects insulated conductor complicated, and improved project cost.

The utility model content

In order to solve complexity height and the high problem of project cost that existing puncture binding clip exists, the utility model provides a kind of insulated conductor puncture connection device, makes the connecting portion between the insulated conductor of realizing connecting have enough big ampacity and sufficiently high reliability.

Technological thought of the present utility model is to be integrated in the insulation conducting wire puncture connection device organizing the puncture pointed tooth more, thereby has simplified operating process.

For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:

Insulation conducting wire puncture connection device comprises upper pressing tongs and lower pressing tongs and the compressing structure of paired setting, at least 2 groups puncture pointed tooth is set on the described upper pressing tongs, at least 2 groups puncture pointed tooth is set on the described lower pressing tongs, on the upper pressing tongs on every group of puncture pointed tooth and the lower pressing tongs one group of puncture pointed tooth one by one corresponding, the crown setting of the crown of the every group of pointed tooth that punctures one group of pointed tooth that punctures on lower pressing tongs on the upper pressing tongs; The quantity of described upper pressing tongs is greater than 1, some upper pressing tongs by on wear axle and connect, some lower pressing tongs by under wear axle and connect, described compressing structure comprises to be worn axle on described, wears axle and be flexibly connected and wear axle and the lower bolt of axle and the nut that matches with described bolt worn down.

Wearing axle surface on described is the plane with the nut contact portion directly or indirectly, and described lower to wear the direct or indirect and described bolt head contact portion in axle surface be the plane.

Described nut is for limiting torque nut.

Described nut and on wear to be provided with between the axle and limit the moment pad.

The technique effect that uses insulated conductor puncture connection device of the present utility model to obtain is:

Manyly can form a plurality of points of puncture at insulated conductor to arranging of upper pressing tongs and lower pressing tongs, increase the contact area of puncture pointed tooth with the insulated conductor conductor part, thereby increase the puncture current-carrying capacity of connection device of single insulating lead.This is just so that when practical application the utility model, operating personnel only need at the insulated conductor that will connect an insulation conducting wire puncture connection device to be installed and get final product, and have reduced labour intensity and complexity.Owing to needn't use a plurality of puncture binding clips simultaneously, reduced project cost simultaneously.

On wear axle surface and lower wearing arranges the plane and be convenient to nut and be crimped on bolt head bigger acting surface is arranged this moment on the axle surface, reduce the loss of the parts that contact, raising service life.

The use that limits torque nut or limit the moment pad is convenient to control the dynamics that compresses pressing tongs, avoids that thrust is excessive to cause damage to lead.

Description of drawings

Fig. 1 is to use the front view of the insulated conductor puncture connection device of 1 bolt,

Fig. 2 is the right view of Fig. 1,

Fig. 3 is to use the front view of the insulated conductor puncture connection device of many bolts,

Fig. 4 is the right view of Fig. 3.

Mark lists as follows among the figure:

1, goes up pressing tongs; 2, following pressing tongs; 3, go up pressing tongs puncture pointed tooth; 4, following pressing tongs puncture tip tooth; 5, wear axle on; 6, wear axle down; 7, bolt; 8, nut; 9, pad; 10, bolt head.

Embodiment

Below in conjunction with accompanying drawing the technical solution of the utility model is elaborated.

Embodiment 1:

Insulation conducting wire puncture connection device illustrated in figures 1 and 2 comprises upper pressing tongs 1 and lower pressing tongs 2 and the compressing structure of paired setting.Upper pressing tongs 1 respectively arranges on 1 group pressing tongs puncture pointed tooth 3 in bottom, two ends, the left and right sides, totally 2 groups, pressing tongs puncture pointed tooth 3 is made of a plurality of puncture crowns on every group.The top correspondence of lower pressing tongs 2 is provided with pressing tongs puncture tip tooth 4 under 2 groups, and pressing tongs puncture tip tooth 4 is made of a plurality of puncture crowns under every group.Pressing tongs puncture pointed tooth 3 is provided with corresponding to pressing tongs puncture tip tooth 4 under a group uniquely on one group, and the crown of last pressing tongs puncture pointed tooth 3 is towards the crown that descends pressing tongs puncture tip tooth 4, and the envelope of described crown matches with insulated conductor surface of conductors shape.Have in this example 6 pairs of upper pressing tongs 1 and lower pressing tongs 2.

Described compressing structure by on wear axle 5, wear axle 6, bolt 7 and nut 8 down and consist of.On wear the centre that axle 5 passes pressing tongs 1 on all, pressing tongs on all is linked into an integrated entity, same, wear centres that axle 6 passes all lower pressing tongs 2 down, all are pressed down clipper joint are integral.Between last pressing tongs 1, be provided with spacer sleeve, guarantee that the distance between the pressing tongs is constant on each, in like manner,, guarantee that the distance between each time pressing tongs is constant also being provided with spacer sleeve between the pressing tongs 2 down.On wear axle 5 and lower two ends of wearing axle 6 all are provided with barrier structure, prevent pressing tongs and lower pressing tongs respectively from wear axle 5 and under wear axle 6 and deviate from.In order to guarantee that the utility model is in stable status when compressing insulated conductor, except allow pressing tongs 1 around on wear axle 5 the circumferential rotation, avoid pressing tongs 1 and following pressing tongs 2 to slide, also will avoid down pressing tongs 2 when compressing lead, to wear 6 circumferentially rotates under the edge at the last axis direction of wearing axle 5 and wearing axle 6 down.Here can adopt multiple mode to realize above-mentioned purpose, example as shown in Figure 2, the cross section of wearing axle 6 and following pressing tongs 2 junctions down is a rectangle, avoided time pressing tongs 2 around under wear axle 6 and rotate, because following pressing tongs 2 is in the stable state that can not rotate, therefore, when last pressing tongs 1 is in impaction state with following pressing tongs 2, under the different situation of the conductor diameter of connected 2 eradication edge leads, last pressing tongs 1 can around on wear circumferentially rotating on a small quantity of axle 5, compress 2 insulated conductors that conductor diameter is different that will be connected so that go up pressing tongs 1 simultaneously with following pressing tongs 2, and realize that reliable Electricity Federation is logical.In like manner also can be separately with on wear axle 5 and be arranged to rectangle with the cross section of upper pressing tongs 1 junction, and make the lower pressing tongs 2 can be around the circumferential rotation of wearing down axle 6.Above-mentioned needs do upper and lower wear axle circumferentially fixing cross section also can be arranged to the shape that ellipse etc. can avoid pressing tongs 1 or lower pressing tongs 2 to rotate.

Bolt 7 perpendicular on wear axle 5 and wear the axis of axle 6 and pass and wear axle 5 and wear axle 6 down down, bolt 7 can pass axle 5 and wear down in the hole on the axle 6 and slide.In the present embodiment, owing to compressing structure only uses a bolt, therefore need to arrange and avoid wearing axle 5 and wear down the restraining structure that axle 6 rotates around bolt 7 axis.Restraining structure in the present embodiment be with bolt 7 with on wear axle 5 and the lower cross section of wearing axle 6 contact-segments is arranged to rectangle.In addition, for reduce nut 8, bolt head 10 and on wear axle 5 and wear wearing and tearing between the axle 6 down, on wear that axle 5 surfaces directly or indirectly (increase situations such as pad) and described nut 8 contact portions are the plane, wear down that axle 6 surfaces directly or indirectly (increase situations such as pad) and described bolt head 10 contact portions are the plane.This set has bigger acting surface when making nut 8 and bolt head 10 be crimped on upper and lower wear spool.

Nut 8 adopts and limits torque nut, and when the moment that screws the restriction torque nut reached predetermined value, the shell that limits torque nut can be broken, and can stop to screw this moment, avoids screwing excessive.Also can use plain nut substitute to limit torque nut at this, simultaneously with nut 8 and on wear pad between the axle 5 and use instead and limit the moment pad.Limit the pad that the moment pad is meant non-closure, and the pad curl, adopt the rubber-like material to make, limiting the moment pad when the power that is applied in reaches predetermined value deforms, for example become plate shapedly from spiral, can stop to screw this moment, can avoid equally screwing excessively.Adopt to limit torque nut or limit the moment pad and avoided overexertion when nut is screwed, to puncture pointed tooth and lead injury.

Manyly can form a plurality of points of puncture at insulated conductor to upper pressing tongs 1 and arranging of lower pressing tongs 2, increase the contact area of puncture pointed tooth with the insulated conductor conductor part, thereby increase the puncture current-carrying capacity of connection device of single insulating lead.This is just so that when practical application the utility model, operating personnel only need on insulated conductor an insulation conducting wire puncture connection device to be installed and get final product, and have reduced labour intensity and complexity.Owing to needn't use a plurality of puncture binding clips simultaneously, reduced project cost simultaneously.

The material of puncture pointed tooth is silver-plated copper of appearance or the silver-plated copper alloy of appearance.This be since the wire body that touches with the puncture tip toe joint mainly with aluminium as basic material, and copper with electrochemical reaction can take place after aluminium contact, through behind the certain hour, the reduction of the electric conductivity of contact portion.Adopt silver-plated copper of appearance or copper alloy material to make the puncture pointed tooth and can bring following benefit: under the impregnable situation of conductivity, silver because and electrochemical reaction be difficult for to take place between aluminium or the copper, therefore can guarantee that the utility model in use keeps good electrical conductivity for a long time.

The insulation conducting wire puncture connection device of present embodiment in use, what will connect 2 thoroughly does away with the edge leads and puts into respectively among the puncture pointed tooth engagement mouth of pressing tongs 1 and lower pressing tongs 2 two ends all on, block respectively 2 with pressing tongs puncture pointed tooth 3 and lower pressing tongs puncture tip tooth 4 on 2 groups on each pressing tongs and thoroughly do away with the edge leads, screw then nut, get final product until reach predetermined coupling mechanism force.

The insulation conducting wire puncture connection device outside also can be provided with the protecting sheathing of insulation, and protecting sheathing plays the effect of waterproof and dustproof for the protection of insulation conducting wire puncture connection device and itself and insulated conductor connecting portion.

Embodiment 2:

The main distinction of the insulated conductor puncture connection device shown in insulated conductor puncture connection device shown in the present embodiment and the embodiment 1 is that the logarithm of pressing tongs 1 and following pressing tongs 2 is 9, and compressing structure comprises 2 bolts 7.Wearing axle 1 on when adopting 2 or many bolts 7 and wear axle 2 down can be around the circumferential rotation of a certain bolt, thus bolt 7 with on wear axle 1 and wear axle 2 contact positions down restraining structure circumferentially is not set.

The insulation conducting wire puncture connection device of present embodiment in use, what will connect 2 thoroughly does away with the edge leads and puts into respectively among the puncture pointed tooth engagement mouth of pressing tongs 1 and lower pressing tongs 2 two ends all on, block respectively 2 with pressing tongs puncture pointed tooth 3 and lower pressing tongs puncture tip tooth 4 on 2 groups on each pressing tongs and thoroughly do away with the edge leads, screw gradually in turn then each nut, get final product until reach predetermined coupling mechanism force.

Above-described only is preferred implementation of the present utility model; should be pointed out that for a person skilled in the art, according to invention spirit of the present utility model and principle; can also make a lot of distortion and improvement, these distortion and improvement all fall into protection range of the present utility model.

Claims

1, insulation conducting wire puncture connection device comprises upper pressing tongs and lower pressing tongs and the compressing structure of paired setting, it is characterized in that: at least 2 groups puncture pointed tooth is set on the described upper pressing tongs, at least 2 groups puncture pointed tooth is set on the described lower pressing tongs, on the upper pressing tongs on every group of puncture pointed tooth and the lower pressing tongs one group of puncture pointed tooth one by one corresponding, the crown setting of the crown of the every group of pointed tooth that punctures one group of pointed tooth that punctures on lower pressing tongs on the upper pressing tongs; The quantity of described upper pressing tongs is greater than 1, some upper pressing tongs by on wear axle and connect, some lower pressing tongs by under wear axle and connect, described compressing structure comprises to be worn axle on described, wears axle and be flexibly connected and wear axle and the lower bolt of axle and the nut that matches with described bolt worn down.

2, insulation conducting wire puncture connection device according to claim 1 is characterized in that: wearing axle surface on described is the plane with the nut contact portion directly or indirectly, and described lower to wear the direct or indirect and described bolt head contact portion in axle surface be the plane.

3, insulated conductor puncture connection device according to claim 1 and 2, it is characterized in that: described nut is for limiting torque nut.

4, insulated conductor according to claim 1 and 2 puncture connection device is characterized in that: described nut with on wear and be provided with qualification moment pad between the axle.