CN211456631U

CN211456631U - Conductor spacer

Info

Publication number: CN211456631U
Application number: CN202020171623.6U
Authority: CN
Inventors: 唐荣
Original assignee: Zigong Shusheng Power Equipment Co ltd
Current assignee: Sichuan Shusheng Power Equipment Co.,Ltd.
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-09-08
Anticipated expiration: 2030-02-15

Abstract

The utility model discloses a wire conductor spacer, including fixed frame, damping rod, damping piston, extrusion damping subassembly and wire centre gripping subassembly, the last damping chamber that is equipped with of fixed frame, be equipped with antifreeze in the damping chamber, the last slide bar passageway that is equipped with of fixed frame, slide bar passageway and damping chamber intercommunication, the damping rod slidable is located in the slide bar passageway, damping rod one end and slidable are located in the damping chamber are located to the damping piston, on the damping piston is located to the extrusion damping subassembly, the damping rod other end is located to wire centre gripping subassembly. The utility model relates to an electric power fitting technical field specifically provides an easy to assemble and dismantlement, but the wire conductor spacer of abundant absorbed wire vibration energy simultaneously.

Description

Conductor spacer

Technical Field

The utility model relates to an electric power fitting technical field specifically indicates a wire conductor spacer.

Background

Each phase of wire of the long-distance and large-capacity ultrahigh voltage power transmission line adopts two, four or more split wires. At present, two split conductors are adopted for 220KV and 330KV transmission lines, and three split and four split conductors are adopted for 500KV transmission lines. In order to ensure that the distance between the split conductor harnesses is kept constant to meet the electrical performance, reduce the surface potential gradient and avoid electromagnetic force between the conductor harnesses to cause mutual attraction collision under the condition of short circuit or cause instant attraction collision, but the normal state can be recovered after the accident is eliminated, so that the spacing rods are arranged in the span at a certain distance. Traditional conductor spacer fixes the distance between the steerable wire of back between the wire and prevents that the wire from waving, nevertheless because when meetting comparatively abominable environment such as strong wind, torrential rain, often can be not enough because the absorption vibrations ability of conductor spacer to make the wire can take place to wave the phenomenon, and further lead to the wire to easily take place fatigue damage. The existing spacer is troublesome to install and brings inconvenience to subsequent replacement and maintenance.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an easy to assemble and dismantlement can fully absorb wire vibration energy's wire conductor spacer simultaneously.

The utility model adopts the following technical scheme: the utility model relates to a wire spacer, including fixed frame, damping rod, damping piston, extrusion damping subassembly and wire clamping component, be equipped with the damping chamber on the fixed frame, be equipped with antifreeze in the damping chamber, be equipped with the slide bar passageway on the fixed frame, the slide bar passageway communicates with the damping chamber, the damping rod can be slided and locate in the slide bar passageway, the damping piston is located damping rod one end and can be slided and locate in the damping chamber, the extrusion damping subassembly is located on the damping piston, the wire clamping component is located the damping rod other end; the extrusion damping subassembly includes trapezoidal sealing plug, slide bar, spacing piece and spacing spring, be equipped with trapezoidal draw-in groove on the damping piston, trapezoidal sealing plug block is located in the trapezoidal draw-in groove, be equipped with slide channel and spacing passageway on the damping piston, slide channel and trapezoidal draw-in groove intercommunication, spacing passageway and slide channel intercommunication, spacing passageway coincides with slide channel's axis, the cross-sectional area of spacing passageway is greater than slide channel's cross-sectional area, the slide bar is located on the trapezoidal sealing plug and slidable locates in the spacing passageway, spacing piece cup joints on locating the slide bar and slidable locates in the spacing sealing plug passageway, spacing spring slidable cup joints on locating the slide bar and locates in the spacing passageway, spacing spring locates between spacing piece and the trapezoidal.

Further, wire centre gripping subassembly includes fixed holder, activity holder, positioning spring and location slider, fixed holder is located on the damping rod, activity holder one end is articulated to be located on the fixed holder, be equipped with on the fixed holder and return the passageway, the other end of activity holder is equipped with the location passageway, the positioning spring is located and is returned in the passageway, the positioning slider is located on the positioning spring and slidable locates and return passageway and positioning channel, and during the installation wire, arrange the wire in between fixed holder and the activity holder, then the expansion end of closed fixed holder and activity holder, the positioning slider is in the positioning channel from returning the card income of return passageway under positioning spring's promotion, realizes fixing fixed holder and activity holder.

Furthermore, a diversion hole is formed in the limiting piece, the cross sectional area of the sliding channel is larger than that of the sliding rod, when the vibration reduction piston extrudes the anti-freezing solution far away from one side of the trapezoidal sealing plug, the anti-freezing solution enters the trapezoidal clamping groove through the diversion hole through a gap between the sliding channel and the sliding rod to push the trapezoidal sealing plug, the limiting spring is compressed under the action of pushing force, the trapezoidal sealing plug is far away from the trapezoidal clamping groove, so that the anti-freezing solution flows from one side of the vibration reduction piston to the other side, and the vibration energy of the vibration reduction piston is absorbed by the flowing of the anti-freezing solution.

Further, be equipped with the spout that resets on the fixed holder, the spout that resets with return the passageway intercommunication of contracting, but the slidable is equipped with manual reset rod in the spout that resets, manual reset rod runs through the spout that resets and is connected with the location slider, when needing to change or maintain wire conductor spacer, can break away from the location slider to return to the passageway that contracts to contracting in from the location passageway through promoting manual reset rod to keeping away from one side movement of activity holder, realize the separation of fixed holder and activity holder.

Further, a sealing gasket is arranged in the sliding rod channel.

Furthermore, a through hole is formed in the positioning sliding block, a fastening screw is arranged on the movable clamping piece, and the fastening screw penetrates through the through hole.

Furthermore, the extrusion vibration damping assemblies are arranged in an axisymmetric manner by taking the horizontal central axis of the vibration damping piston as an axis, and the symmetrically arranged extrusion vibration damping assemblies can realize bidirectional flow of the antifreeze solution.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the scheme is simple and convenient to operate, the vibration damping assembly is extruded to be matched with the anti-freezing solution, and the vibration energy of the vibration damping piston is fully absorbed by utilizing the flowing of the anti-freezing solution, so that the vibration damping effect is realized; when the wire spacing rod needs to be replaced or maintained, the positioning slide block can be separated from the positioning channel and retracted to the retraction channel by pushing the manual reset rod to move towards one side far away from the movable clamping piece, so that the fixed clamping piece and the movable clamping piece are separated, and the labor intensity of maintenance personnel is greatly reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a conductor spacer of the present invention;

fig. 2 is a partial enlarged view of a portion a of a conductor spacer according to the present invention;

FIG. 3 is a partial enlarged view of part B of the conductor spacer of the present invention

Fig. 4 is a side view of the wire spacer wire clamping assembly of the present invention.

The device comprises a fixed frame 1, a fixed frame 2, a damping rod 3, a damping piston 4, an extrusion damping component 5, a wire clamping component 6, a damping cavity 7, a trapezoidal sealing plug 8, a sliding rod 9, a limiting sheet 10, a limiting spring 11, a trapezoidal clamping groove 12, a sliding channel 13, a limiting channel 14, a fixed clamping piece 15, a movable clamping piece 16, a positioning spring 17, a positioning sliding block 18, a retraction channel 19, a positioning channel 20, a reset sliding groove 21, a manual reset rod 22, a sealing pad 23, antifreeze solution 24 and a fastening screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-4, the utility model relates to a conductor spacer, including fixed frame 1, damping rod 2, damping piston 3, extrusion damping subassembly 4 and conductor clamping subassembly 5, be equipped with damping chamber 6 on the fixed frame 1, be equipped with antifreeze 23 in the damping chamber 6, be equipped with the slide bar passageway on the fixed frame 1, the slide bar passageway is with damping chamber 6 intercommunication, damping rod 2 is slidable to be located in the slide bar passageway, damping piston 3 is located damping rod 2 one end and slidable to be located damping chamber 6, extrusion damping subassembly 4 is located damping piston 3, conductor clamping subassembly 5 is located the other end of damping rod 2; the extrusion vibration reduction component 4 comprises a trapezoidal sealing plug 7, a slide rod 8, a limiting sheet 9 and a limiting spring 10, the damping piston 3 is provided with a trapezoidal clamping groove 11, the trapezoidal sealing plug 7 is clamped in the trapezoidal clamping groove 11, the damping piston 3 is provided with a sliding channel 12 and a limiting channel 13, the sliding channel 12 is communicated with the trapezoidal clamping groove 11, the limiting channel 13 is communicated with the sliding channel 12, the central axis of the limiting channel 13 is overlapped with that of the sliding channel 12, the cross section area of the limit channel 13 is larger than that of the sliding channel 12, the sliding rod 8 is arranged on the trapezoidal sealing plug 7 and can be arranged in the limit channel 13 in a sliding way, the limiting piece 9 is sleeved on the sliding rod 8 and can be slidably arranged in the limiting channel 13, the limiting spring 10 is slidably sleeved on the sliding rod 8 and can be arranged in the limiting channel 13, and the limiting spring 10 is arranged between the limiting piece 9 and the trapezoidal sealing plug 7.

Wire clamping component 5 includes fixed holder 14, activity holder 15, positioning spring 16 and location slider 17, fixed holder 14 is located on damping rod 2, the articulated fixed holder 14 that locates of activity holder 15 one end is last, be equipped with on the fixed holder 14 and return passageway 18, the other end of activity holder 15 is equipped with location passageway 19, positioning spring 16 locates and returns in the passageway 18, positioning slider 17 is located on positioning spring 16 and slidable locates and returns in passageway 18 and the location passageway 19. The limiting piece 9 is provided with a flow guide hole, and the cross sectional area of the sliding channel 12 is larger than that of the sliding rod 8. The fixed clamping piece 14 is provided with a reset sliding groove 20, the reset sliding groove 20 is communicated with the retraction channel 18, a manual reset rod 21 is slidably arranged in the reset sliding groove 20, and the manual reset rod 21 penetrates through the reset sliding groove 20 and is connected with the positioning sliding block 17. A sealing gasket 22 is arranged in the slide rod channel. The positioning slide block 17 is provided with a through hole, the movable clamping piece 15 is provided with a fastening screw, and the fastening screw 24 is arranged in the through hole in a penetrating manner. The extrusion damping assembly 4 is arranged in an axisymmetric manner by taking a horizontal central axis of the damping piston 3 as an axis.

When the conductor is used, the conductor is placed between the fixed clamping piece 14 and the movable clamping piece 15, then the movable ends of the fixed clamping piece 14 and the movable clamping piece 15 are closed, the positioning slide block 17 is clamped into the positioning channel 19 from the retraction channel 18 under the pushing of the positioning spring 16, then the fastening screw 24 penetrates through the through hole to fix the fixed clamping piece 14 and the movable clamping piece 15, when the conductor swings, the conductor drives the damping piston 3 to move through the damping rod 2, the damping piston 3 extrudes the antifreeze 23 on one side far away from the trapezoid sealing plug 7, the antifreeze 23 enters the trapezoid clamping groove 11 through the gap between the sliding channel 12 and the slide rod 8 through the flow guiding hole to extrude the trapezoid 7, the limiting spring 10 is compressed under the action of the extrusion, the trapezoid sealing plug 7 is far away from the trapezoid clamping groove 11, so that the antifreeze 23 flows from one side of the damping piston 3 to the other side, the vibration energy of the damping piston 3 is absorbed by the flow of the antifreeze solution 23.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A conductor spacer characterized in that: the anti-freezing device comprises a fixed frame, a damping rod, a damping piston, an extrusion damping assembly and a wire clamping assembly, wherein a damping cavity is arranged on the fixed frame, anti-freezing liquid is arranged in the damping cavity, a sliding rod channel is arranged on the fixed frame and is communicated with the damping cavity, the damping rod is slidably arranged in the sliding rod channel, the damping piston is arranged at one end of the damping rod and is slidably arranged in the damping cavity, the extrusion damping assembly is arranged on the damping piston, and the wire clamping assembly is arranged at the other end of the damping rod; the extrusion damping subassembly includes trapezoidal sealing plug, slide bar, spacing piece and spacing spring, be equipped with trapezoidal draw-in groove on the damping piston, trapezoidal sealing plug block is located in the trapezoidal draw-in groove, be equipped with slide channel and spacing passageway on the damping piston, slide channel and trapezoidal draw-in groove intercommunication, spacing passageway and slide channel intercommunication, spacing passageway coincides with slide channel's axis, the cross-sectional area of spacing passageway is greater than slide channel's cross-sectional area, the slide bar is located on the trapezoidal sealing plug and slidable locates in the spacing passageway, spacing piece cup joints on locating the slide bar and slidable locates in the spacing sealing plug passageway, spacing spring slidable cup joints on locating the slide bar and locates in the spacing passageway, spacing spring locates between spacing piece and the trapezoidal.

2. A conductor spacer as claimed in claim 1, wherein: the wire clamping assembly comprises a fixed clamping piece, a movable clamping piece, a positioning spring and a positioning sliding block, wherein the fixed clamping piece is arranged on the damping rod, one end of the movable clamping piece is hinged to the fixed clamping piece, a retraction channel is arranged on the fixed clamping piece, the other end of the movable clamping piece is provided with the positioning channel, the positioning spring is arranged in the retraction channel, and the positioning sliding block is arranged on the positioning spring and can be slidably arranged in the retraction channel and the positioning channel.

3. A conductor spacer as claimed in claim 1, wherein: the limiting piece is provided with a flow guide hole, and the cross sectional area of the sliding channel is larger than that of the sliding rod.

4. A conductor spacer as claimed in claim 2, wherein: the fixed clamping piece is provided with a reset sliding groove, the reset sliding groove is communicated with a retraction channel, a manual reset rod is slidably arranged in the reset sliding groove, and the manual reset rod penetrates through the reset sliding groove and is connected with the positioning sliding block.

5. A conductor spacer as claimed in claim 1, wherein: and a sealing gasket is arranged in the slide rod channel.

6. A conductor spacer as claimed in claim 4, wherein: the positioning slide block is provided with a through hole, the movable clamping piece is provided with a fastening screw, and the fastening screw penetrates through the through hole.

7. A conductor spacer as claimed in claim 1, wherein: the extrusion vibration reduction assembly is arranged in an axisymmetric mode by taking a horizontal central axis of the vibration reduction piston as an axis.