CN212114716U

CN212114716U - Anti-galloping binary-splitting spacer

Info

Publication number: CN212114716U
Application number: CN202021005398.5U
Authority: CN
Inventors: 冷档定; 朱恺; 丁晓亮
Original assignee: Jiangsu Jk Electrical Equipment Co ltd
Current assignee: Jiangsu Jk Electrical Equipment Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-12-08
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a prevent waving binary fission conductor spacer. This prevent waving binary fission conductor spacer includes the V type frame that two V template locks formed, the articulated damping fastener of bolt is passed through respectively at V type frame both ends, the bolt outside cover as the articulated shaft has rotary damping, both ends are contradicted two V template inboardly respectively about the rotary damping, rotary damping is including buffering the body, buffering body is global to be equipped with the straight face of a spline at least, straight face interval is equipped with and is used for absorbing buffering strip, buffering strip and bolt axis coplane and parallel, buffering strip and buffering body integrated into one piece, the damping fastener is equipped with the hole with rotary damping complex, the hole is equipped with the straight flange of contradicting with buffering strip. The utility model provides a two split conductor spacer frame receive the fragile problem of wire galloping effort with fastener revolute joint.

Description

Anti-galloping binary-splitting spacer

Technical Field

The utility model relates to an electric power transmission technical field especially relates to a prevent waving binary fission conductor spacer.

Background

In 220Kv bipartition alternating current transmission lines in China, a bipartition spacer is installed in each span at a distance of 40-100 meters for keeping the distance between two wires and inhibiting breeze vibration and sublevel vibration so as to ensure the safe operation of the transmission lines.

The two division conductor spacers of hinge formula in advance that present publication number is CN206211475U, as shown in figure 1, "through online arm lock 2 end be equipped with dog 5, dog 5 can swing in spacing groove 6, effective damping wire vibration reduces the wearing and tearing to the wire to the life of wire and conductor spacer has been prolonged," the upper end of clamp plate 3 is connected through round pin axle 7 with the end of clamp arm 2, and round pin axle 7 department does not have rotary damping as the freely movable joint of conductor spacer, does not restrain the effort that the conductor waved and produces, and the effort that bears is huge, not only easy wearing and tearing, and it is not good to the effect of preventing waving of wire moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping effect is good, long service life's anti-galloping binary fission conductor spacer.

In order to achieve the purpose, the utility model discloses the technical scheme that anti-galloping binary fission conductor spacer adopted is:

the utility model provides a prevent waving binary fission conductor spacer, V type frame that forms including two V template locks, the articulated damping fastener of bolt is passed through respectively at V type frame both ends, the bolt outside cover as the articulated shaft has rotary damping, both ends are contradicted two V template inboards respectively about the rotary damping, rotary damping is including buffering body, buffering body is global to be equipped with the straight face of a spline at least, straight face interval is equipped with and is used for absorbing buffering strip, buffering strip and bolt axis coplane and parallel, buffering strip and buffering body integrated into one piece, the damping fastener is equipped with the hole with rotary damping complex, the hole is equipped with the straight flange of contradicting with buffering strip. The wire is met breeze vibration, power is passed through the damping fastener and is transmitted for rotary damping, the buffering strip lifting surface area on the rotary damping is global little, poor in strength, yielding, and then the buffering strip is compressed under the extrusion effect of damping fastener, produce one section buffer stroke because of the compression of buffering strip between damping fastener and the rotary damping promptly, rotary damping's effort has been reduced, the bolt of wearing in rotary damping has been protected, the shock attenuation effect of articulated department has been improved, the life of extension conductor spacer, also restrain the rotation of damping fastener simultaneously, effectively prevent that the wire from waving.

Preferentially, the buffering strip gradually draws in to the outside by the buffering body and forms sharp portion, sharp portion cross section is isosceles trapezoid or isosceles triangle. The point portion of buffering strip has reduced the area of contact and the intensity of self that the buffering strip begins to press from both sides with the damping, lets the buffering strip warp more easily, and then furthest increases the compression stroke, reduces the effort of damping fastener.

Preferably, this internal nylon skeleton that is equipped with of buffering, the nylon skeleton center is equipped with the through-hole that the bolt passed, and both ends respectively are equipped with at least one circular arc card foot about the nylon skeleton, and the circular arc card foot is coaxial with the through-hole, and the V template is equipped with the circular arc hole with circular arc card foot complex, and the circular arc card foot can be in circular arc downthehole rotation. The nylon skeleton has increased the intensity of buffering body, and the life of extension rotary damping establishes the card foot on the nylon skeleton can be at the circular arc downthehole rotation of V template, and the protection circular arc card foot can not be because of the huge torsion rupture of hindering the transmission of nylon fastener.

Preferentially, one end of the damping wire clamp extending into the V-shaped frame is provided with a stop lever, the V-shaped plate is provided with an oval limiting groove, and the stop lever moves in the oval limiting groove. The vibration of the lead is effectively damped, and the wear to the lead is reduced, so that the service lives of the lead and the spacer are prolonged.

Preferably, the V-shaped plate is provided with an inner arc surface and an outer arc surface, and the curvature of the inner arc surface is smaller than that of the outer arc surface. The stress of the V-shaped frame formed by the V-shaped plates is reasonably arranged, the service life of the V-shaped frame is ensured, and the arc surface is prevented from generating corona.

Compared with the prior art, the utility model, have following advantage:

1. a buffer stroke is generated between the damping wire clamp and the rotary damper due to the compression of the buffer strip, so that the acting force on the rotary damper is reduced, a bolt penetrating through the rotary damper is protected, the damping effect of a hinged part is improved, the service life of the spacer is prolonged, the rotation of the damping wire clamp is inhibited, and the conductor is effectively prevented from waving;

2. the nylon skeleton has increased the intensity of buffering body, prolongs rotary damping's life, establishes the card foot on the nylon skeleton can be at the circular arc downthehole internal rotation of V template, and the protection circular arc card foot can not be because of the huge torsion rupture of hindering the transmission of nylon fastener to rotary damping's life has been prolonged.

3. The stop lever moves in the oval spacing groove, effectively damps the vibration of the lead, reduces the abrasion to the lead, and prolongs the service life of the lead and the spacer.

The V-shaped plate is provided with an inner arc surface and an outer arc surface, the curvature of the inner arc surface is smaller than that of the outer arc surface, the stress of a V-shaped frame formed by the V-shaped plate is reasonably set, the service life of the V-shaped frame is guaranteed, and the arc surface prevents corona.

Drawings

FIG. 1 is a schematic structural view of a pre-hinged two-split spacer;

FIG. 2 is a schematic structural view of a galloping-preventing binary-splitting spacer;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the structure of the rotational damper;

fig. 5 is an axial view of fig. 4.

The clamp comprises a 2V clamp arm, a 3V clamp plate, a 5 stop, a 6 limit groove, a 7 pin shaft, a 10V-shaped frame, a 111V-shaped plate, an 1111 inner arc surface, a 1112 outer arc surface, a 1113 arc-shaped hole, a 1114 oval limit groove, a 12 bolt, a 13 damping clamp, a 131 hole, a 132 straight edge, a 133 stop lever, 14 rotary damping, a 141 buffer body, a 142 nylon skeleton, a 143 through hole, a 144 arc clamping foot, a 145 straight surface, a 146 buffer strip and a 1461 tip part.

Detailed Description

The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.

As shown in fig. 2 to 5, the anti-galloping two-splitting spacer comprises a V-shaped frame 10 formed by buckling two V-shaped plates 111, wherein the inner side of the V-shaped plate 111 is an inner arc surface 1111, the outer side of the V-shaped plate 111 is an outer arc surface 1112, the curvature of the inner arc surface 1111 is smaller than that of the outer arc surface 1112, the stress of the V-shaped frame 10 formed by the V-shaped plates 111 is reasonably set, the service life of the V-shaped frame 10 is ensured, the arc surfaces prevent corona generation, two ends of the V-shaped frame 10 are respectively hinged with a damping clamp 13 through bolts 12, the outer side of the bolts 12 serving as hinging shafts is sleeved with a rotary damper 14, the rotary damper 14 comprises a buffer body 141, the buffer body 141 is coated with a nylon framework 142, the nylon framework 142 increases the strength of the buffer body 141, the service life of the rotary damper 14 is prolonged, through holes 143 through which the bolts penetrate are formed in the centers of the, the V-shaped plate 111 is provided with an arc hole 1113 matched with the clamping pin, the arc clamping pin 144 can rotate in the arc hole 1113 to protect the arc clamping pin 144 from being broken by huge torsion transmitted by the damping wire clamp 13, so that the service life of the rotary damper 14 is prolonged, two rotation-stopping straight surfaces 145 are arranged on the peripheral surface of the buffer body 141 in parallel, the straight surfaces 145 are distributed at intervals to form damping strips 146 for damping, the damping strips are gradually folded from the buffer body to the outside to form a tip portion 1461, the cross section of the tip portion 1461 is isosceles trapezoid, the buffer strips 146 are coplanar and parallel with the axis of the bolt 12, the buffer strips 146 and the buffer body 141 are integrally formed, the damping wire clamp 13 is provided with a hole 131 matched with the rotary damper 14, straight edges 132 on two sides of the hole are abutted against the tip 1461 of the buffer strips, one end of the damping wire clamp 13 extending into the V-shaped frame 10 is provided with a stop lever 133, the V-shaped plate 111, the vibration of the lead is effectively damped, and the wear to the lead is reduced, so that the service lives of the lead and the spacer are prolonged.

The utility model discloses a concrete working process and principle: the wire is met breeze vibration, power is passed through damping fastener 13 and is transmitted for rotary damping 14, buffer strip point portion 1461 lifting surface area on the rotary damping 14 global is little, poor in strength, yielding, and then buffer strip 146 is compressed under damping fastener 13's squeezing action, produce one section buffer stroke because of buffer strip 146's compression between damping fastener 13 and the rotary damping 14 promptly, the effort to rotary damping 14 has been reduced, bolt 12 in rotary damping has been protected to wear, the shock attenuation effect of articulated department has been improved, the life of extension conductor spacer, also restrain the rotation of damping fastener simultaneously, effectively prevent that the wire from waving.

Claims

1. The utility model provides a prevent waving binary fission conductor spacer which characterized in that: including the V type frame that two V template locks formed, the articulated damping fastener of bolt is passed through respectively at V type frame both ends, the bolt outside cover as the articulated shaft has rotary damping, both ends are contradicted two V template inboards respectively about the rotary damping, rotary damping is including buffering body, it is global to be equipped with the straight face of a spline at least to cushion the body, straight face interval is equipped with and is used for absorbing buffering strip, buffering strip and bolt axis coplane and parallel, buffering strip and buffering body integrated into one piece, the damping fastener is equipped with the hole with rotary damping complex, the hole is equipped with the straight flange of contradicting with buffering strip.

2. The anti-galloping binary-splitting spacer of claim 1, wherein: the buffering strip is gradually drawn in to the outside by the buffering body and is formed sharp portion, sharp portion cross section is isosceles trapezoid or isosceles triangle.

3. The anti-galloping binary-splitting spacer of claim 1, wherein: this internal nylon skeleton that is equipped with of buffering, the nylon skeleton center is equipped with the through-hole that the bolt passed, and both ends respectively are equipped with at least one circular arc card foot about the nylon skeleton, and the circular arc card foot is coaxial with the through-hole, and the V template is equipped with the circular arc hole with circular arc card foot complex, and circular arc card foot can be at circular arc downthehole rotation.

4. The anti-galloping binary-splitting spacer of claim 1, wherein: one end of the damping wire clamp extending into the V-shaped frame is provided with a stop lever, the V-shaped plate is provided with an oval limiting groove, and the stop lever moves in the oval limiting groove.

5. The anti-galloping binary-splitting spacer according to any one of claims 1, 3 and 4, wherein: the V-shaped plate is provided with an inner arc surface and an outer arc surface, and the curvature of the inner arc surface is smaller than that of the outer arc surface.