CN201541106U - Anti-oscillation damping spacer rod - Google Patents

Abstract

The embodiment of the utility model discloses an anti-oscillation damping spacer rod, which comprises a body frame and a wire clamp connected onto the body frame. The wire clamp at least includes a rotary wire clamp; the rotary wire clamp consists of an outer wire clamp and an inner wire clamp; the outer wire clamp is connected with the body frame; the inner wire clamp is wrapped inside the outer wire clamp and provided with chloroprene rubber on the inner side; and the inner wire clamp is axially fixed inside the outer wire clamp and freely rotates by adopting an center axis of the outer wire clamp as an axle. The anti-oscillation damping spacer rod has the advantages that by adopting the structure that the inner wire clamp is axially fixed inside the outer wire clamp and rotates freely in circumferential manner, a lead wire is enabled to rotate more freely and flexibly and more effectively prevent oscillation; and rotating portion is also enabled not to easily affected by environment to have failure, thereby ensuring work reliability of the damping spacer rod, accordant connection method of the wire clamp and the frame with a method frequently used in China, and needing no special tools for installation.

Description

A kind of bouncing-prevention damping spacing rod

Technical field

The utility model relates to transmission line equipment, particularly a kind of bouncing-prevention damping spacing rod.

Background technology

Transmission line wire is waved and is meant transmission line under certain climatic condition, and ice coating wire is at asymmetric icing and be subjected under the beam wind effect the significantly low-frequency vibration phenomenon that causes.Waving of transmission line wire is the key factor that threatens the ultra-high-tension power transmission line safe operation.Wave and cause alternate sudden strain of a muscle to iron tripping operation, electric arc burn the destruction of transmission line, and make lead itself, link and iron tower all bear bigger dynamic loads owing to wave, when load has surpassed certain limit, lead, iron tower, insulator string and link all will occur badly damaged.All took place in China various places to cause the transmission line short circuit, to fall the large area blackout that tower, broken string cause because of conductor galloping.

The means that present topmost solution transmission line wire is waved are to install the equipment with anti-dance function in line design or operation phase additional to there being the track section of waving possibility, prevent trouble before it happens.

For suppressing corona discharge and minimizing electromagnetic effect, need to adopt bundle conductor on the existing high-tension line to environment.The damping conductor spacer of the routine that adopts on the bundle conductor comprises body frame, is connected in the wire clamp on the body frame, and the neoprene of wire clamp inboard etc.Wire clamp is clamped lead by neoprene, keeps the lead splitted construction, to satisfy the requirement of electric property, prevents damage wires simultaneously.But conductor spacer makes the lead can not FREE TORSION, easily forms inhomogeneous icing, and the probability that bundle conductor is waved than conventional single conductor increases greatly.

For solving existing problem, need take certain measure, make conductor spacer except that having prior function, also have the function that prevents conductor galloping.

The utility model content

In view of this, the purpose of this utility model is to provide a kind of bouncing-prevention damping spacing rod, can realize that the freedom and flexibility of lead are rotated, and prevents the generation of waving.

For achieving the above object, the utility model provides following technical scheme:

A kind of bouncing-prevention damping spacing rod comprises: body frame and the wire clamp that is connected on the described body frame, and described wire clamp comprises at least:

Rotate wire clamp, described rotational line presss from both sides and comprises the outer wire clamp that links to each other with body frame and wrap in the inner and inboard interior wire clamp that neoprene is arranged of described outer wire clamp, and described interior lines are clipped in the described outer wire clamp, axial restraint, and the wire clamp central axis is that axle freely rotates in addition.

Preferably, the interior wire clamp in the described rotation wire clamp is made up of two semicylinders.

Preferably, described interior lines are clipped in the described outer wire clamp and do not limit angle to rotate freely.

Preferably, described body frame is veneer or double-plate structure.

Preferably, described conductor spacer can be used for two divisions and above any multiple fission conductor.

Preferably, described body frame is a regular polygon.

Preferably, described conductor spacer comprises the wire clamp that equates with described regular polygon limit number.

Preferably, described wire clamp is installed in described polygon end points.

Preferably, described wire clamp comprises rotation wire clamp and common wire clamp.

Preferably, described rotation wire clamp is installed on the windward side of described body frame.

This special utility model can freely rotate the lead in the wire clamp by the wire clamp of improvement conductor spacer and the type of attachment of lead.When lead during at the windward side icing, lead makes the relative homogenizing of icing of lead in the action of gravity deflect of inhomogeneous icing, avoids producing lifting power upwards, waves thereby prevent.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the conductor spacer assembly drawing of the disclosed six-multiple conductor of the utility model embodiment;

Fig. 2 is the rotatable wire clamp schematic diagram on the disclosed conductor spacer of the utility model embodiment;

Fig. 3 is the conductor spacer assembly drawing of the disclosed conductors on quad bundled of the utility model embodiment.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

The utility model embodiment discloses a kind of bouncing-prevention damping spacing rod, can realize the freedom and flexibility rotation of lead, prevents the generation of waving.

Embodiment one

Figure 1 shows that the assembling schematic diagram of the disclosed damping conductor spacer of the utility model in the six-multiple conductor transmission line.

The bouncing-prevention damping spacing rod that provides in the utility model comprises: turnable wire clamp 1, common wire clamp 2, double-plate body frame 3.Comprise 1, three common wire clamp 2 of three rotatable wire clamps in the device, be evenly distributed on six end points of hexagon body frame 3.Rotatable wire clamp 1 is positioned on the hexagon end points of windward side, and common wire clamp 2 is positioned on the hexagon end points of leeward side.Rotatable wire clamp 1 is identical with the coupling part of body frame 3 and the coupling part of common wire clamp 2 and body frame 3.

Compare with existing conductor spacer, the bouncing-prevention damping spacing rod that the utility model provides is not done change on the type of attachment of wire clamp and body frame, but realizes the rotation of lead by rotatable wire clamp 1.So do not need special instrument when mounted, installment work is simple.

The concrete structure of the rotatable wire clamp on the bouncing-prevention damping spacing rod that provides of the utility model as seen from Figure 2, described wire clamp is made up of outer wire clamp 11, interior wire clamp 12 and neoprene 13 etc.Interior wire clamp 12 wire clamp 11 outside is inner but unfixing, and interior wire clamp 12 is combined by two semicylinders.Cylinder freely rotates in the wire clamp 11 outside.The cylinder interior of wire clamp 12 has neoprene 13 in forming, and neoprene 13 is directly clamped lead.

Because outer wire clamp 11 is with interior wire clamp 12 axial restraint only, but interior wire clamp 12 relative to outside wire clamp 11 hoops freely rotate and volume less, in light weight, when wire icing, the icing position is under the action of gravity of inhomogeneous icing, and lead is easy to just can drive the deflection of wire clamp 11 interior freedom and flexibility outside of interior wire clamp 12.Make the icing homogenizing on the lead, suppress the generation of waving.It can also be seen that by Fig. 2 interior wire clamp 12 wraps in outer wire clamp 11 the insides and do not expose, and can better protect rotating part not to be affected by the external environment, prevent because of freeze can not deflection problem, the anti-dance action that guarantees damping conductor spacer is with not being affected.

Embodiment two

As shown in Figure 3, the assembling schematic diagram of the disclosed damping conductor spacer of the utility model in the conductors on quad bundled transmission line.

The bouncing-prevention damping spacing rod that provides in the present embodiment comprises: turnable wire clamp 1, double-plate body frame 2.Comprise four rotatable wire clamps 1 in the device, be evenly distributed on four end points of square body frame 2.

Rotatable wire clamp in the present embodiment is identical with rotatable wire clamp structure among the embodiment one, no longer describes at this.Compare with embodiment one, all wire clamps are rotatable wire clamp in the present embodiment, the generation that can better suppress to wave.

Need to prove that present embodiment does not limit the range of application of the disclosed bouncing-prevention damping spacing rod of the utility model, binary fission and above phase bundle conductor can adopt.Secondly present embodiment does not limit the number and the installation site of common wire clamp and rotatable wire clamp in the actual application yet, as long as the conductor spacer after the installation can play the effect of waving of preventing.Present embodiment does not limit the pattern of body frame yet once more, can be other forms for double-plate, as long as can guarantee the operate as normal of conductor spacer yet.

The disclosed bouncing-prevention damping spacing rod of embodiment of the present utility model as can be seen has the following advantages:

1) adopt rotatable interior lines to be clipped in outer wire clamp inner shaft to fixing, the rotating structure of hoop makes the lead deflection of freedom and flexibility more better to prevent the generation of waving;

2) rotatable interior lines are clipped in outer wire clamp inside, and the influence that makes rotary part not be vulnerable to environment is broken down, thereby has guaranteed the reliability of damping conductor spacer work;

3) because the type of attachment of wire clamp and framework on wire clamp, is not changed in the position of rotating in the utility model, do not need special instrument and means during installation, so easy for installation;

4) the rotatable wire clamp on the conductor spacer is clipped on the volume and weight than ordinary lines just slightly increases, and has avoided the negative effect that produces.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (10)

1. bouncing-prevention damping spacing rod comprises: body frame and be connected wire clamp on the described body frame is characterized in that described wire clamp comprises at least:

Rotate wire clamp, described rotational line folder comprises the outer wire clamp that links to each other with body frame and wraps in the inner and inboard interior wire clamp that neoprene is arranged of described outer wire clamp, and described interior lines are clipped in the interior axial restraint of described outer wire clamp, and the wire clamp central axis is spool freely to rotate in addition.

2. conductor spacer according to claim 1 is characterized in that, the interior wire clamp in the described rotation wire clamp is made up of two semicylinders.

3. conductor spacer according to claim 1 is characterized in that, described interior lines are clipped in the described outer wire clamp does not limit angle to rotate freely.

4. conductor spacer according to claim 1 is characterized in that, described body frame is veneer or double-plate structure.

5. according to any described conductor spacer in the claim 1～4, it is characterized in that described conductor spacer can be used for two divisions and above any multiple fission conductor.

6. conductor spacer according to claim 5 is characterized in that, described body frame is a regular polygon.

7. conductor spacer according to claim 6 is characterized in that, described conductor spacer comprises the wire clamp that equates with described regular polygon limit number.

8. conductor spacer according to claim 7 is characterized in that, described wire clamp is installed in described polygon end points.

9. conductor spacer according to claim 8 is characterized in that, described wire clamp comprises rotation wire clamp and common wire clamp.

10. conductor spacer according to claim 9 is characterized in that, described rotation wire clamp is installed on the windward side of described body frame.

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