CN110459998B - Wire support fitting - Google Patents

Wire support fitting Download PDF

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Publication number
CN110459998B
CN110459998B CN201910672794.9A CN201910672794A CN110459998B CN 110459998 B CN110459998 B CN 110459998B CN 201910672794 A CN201910672794 A CN 201910672794A CN 110459998 B CN110459998 B CN 110459998B
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CN
China
Prior art keywords
wire
annular
fixed base
frame
supporting frame
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Application number
CN201910672794.9A
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Chinese (zh)
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CN110459998A (en
Inventor
王文豪
赵重阳
张力方
张跃
付江浩
王晶
王旭辉
张盼
陈铁钢
白海冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Pinggao Group Co Ltd
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
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Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910672794.9A priority Critical patent/CN110459998B/en
Publication of CN110459998A publication Critical patent/CN110459998A/en
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Publication of CN110459998B publication Critical patent/CN110459998B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/05Suspension arrangements or devices for electric cables or lines

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  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention relates to a wire support fitting. The wire support hardware fitting comprises a fixed base, an annular support frame and wire clamping blocks arranged in groups, wherein the fixed base is used for being fixedly connected to the insulating support columns; the annular supporting frame is integrally arranged on the fixed base; each group of wire clamping blocks is provided with more than two wire clamping blocks which are arranged around the axis of the annular supporting frame, the wire clamping blocks are fixedly connected to the supporting frame through threaded connecting pieces, a threading channel for a wire to pass through along the axial direction of the annular supporting frame is formed between the wire clamping blocks and the annular supporting frame, and when the threaded connecting pieces are screwed, the wire can be clamped and fixed through the wire clamping blocks. The annular support frame in the wire support hardware fitting is integrally arranged on the fixed base, so that all parts are not required to be fixed through bolts, the structure is simple, and the assembly is convenient; and the fixed base and the annular supporting frame that the an organic whole set up have higher bulk strength, are difficult for taking place to damage, have improved the reliability.

Description

Wire support fitting
Technical Field
The invention relates to a wire support fitting.
Background
Connect with the split conductor between equipment among the extra-high voltage direct current transmission engineering, when the wire is too long, for the atress condition that improves the equipment terminal, can increase post insulator between two equipment, then support the gold utensil through the flexible conductor and improve the atress condition of both ends equipment terminal, current flexible conductor supports the gold utensil and all supports two wire conductor spacers on the bottom plate with bolt and pillar, each part of this kind of gold utensil passes through bolted connection or welding together, the structure is complicated, the assembly is inconvenient, and intensity is lower, the gold utensil is easy to take place to damage when meetting extreme operating modes such as extreme weather or earthquake, influence the reliable operation of electric wire netting.
Disclosure of Invention
The invention aims to provide a wire support fitting which is simple in structure, convenient to assemble and high in strength.
In order to achieve the purpose, the technical scheme of the wire support fitting is as follows:
the wire support hardware fitting comprises a fixed base, a support frame and wire clamping blocks arranged in groups, wherein the fixed base is used for being fixedly connected to the insulating support; the supporting frame is integrally arranged on the fixed base; more than two lead clamping blocks are arranged in each group; the supporting frame is provided with at least one installation position which forms a circumferential arrangement, and each wire clamping block of the same group is correspondingly arranged at each installation position of the same group; the wire clamping block is fixedly connected to the support frame through the threaded connecting piece, a threading channel for the wire to pass through along the axial direction of the circumference of the same group of installation positions is formed between the wire clamping block and the support frame, and when the threaded connecting piece is screwed, the wire can be clamped and fixed through the wire clamping block.
The wire support fitting has the beneficial effects that: the annular support frame in the wire support hardware fitting is integrally arranged on the fixed base, so that all parts are not required to be fixed through bolts, the structure is simple, and the assembly is convenient; and the fixed base and the annular supporting frame that the an organic whole set up have higher bulk strength, are difficult for taking place to damage, have improved the reliability.
Furthermore, the support frame is an annular support frame. The annular frame structure is stable and not easy to damage.
Furthermore, the fixed base is disc-shaped, a fixed connecting hole is formed in the fixed base, and the axis of the annular supporting frame is parallel to the plane where the disc-shaped fixed base is located. The fixed base is disc-shaped, the stress is uniform and stable after the fixed base is fixed, the axis of the annular supporting frame is parallel to the plane of the fixed base, and the wire extends along the axis of the annular supporting frame during installation and cannot interfere with the fixed base.
Furthermore, the annular supporting frame is positioned in the middle of the disc-shaped fixed base, so that the stress is uniform in all directions, and the supporting effect is good.
Furthermore, the fixed base and the support frame are integrated through casting molding, so that the processing and manufacturing are convenient, and the cast strength is higher.
Furthermore, more than two groups of wire clamping blocks are arranged, and each group of wire clamping blocks corresponds to the annular supporting frame in the axial direction. Because the split conductor usually adopts the form of stranded wires, the cross-sectional shapes of all parts are different, when the annular supporting frame is larger along the axial dimension, the conductor clamping blocks are not influenced when the conductor is clamped through the plurality of conductor clamping blocks, and the split conductor is more stable in fixation compared with the split conductor which adopts a longer conductor clamping block.
Furthermore, the annular supporting frame is a regular polygon ring frame, and the wire clamping blocks are arranged on the edges of the regular polygon ring frame. The clamping of the wire on the plane or the processing of the structure for fixing the wire clamping block is convenient.
Furthermore, two adjacent wire clamping blocks in the same group are spaced by one side of the regular polygon. The wires are distributed more uniformly, and the space between the wires is ensured.
Further, the wire clamping block is arranged on the outer side face of the annular supporting frame. It is easier to fix the wires on the outside.
Furthermore, a counter bore is formed in the wire clamping block, and the threaded connecting piece penetrates through the counter bore to be fixedly connected with the annular supporting frame. The nut part of the counter bore bolt can sink below the outer surface of the wire clamping block, so that the corona prevention effect is improved.
Drawings
Fig. 1 is a front view of a specific embodiment of a wire support fitting of the present invention;
fig. 2 is a left side view of the embodiment of the wire support fitting of the present invention;
fig. 3 is a top view of an embodiment of the wire support fitting of the present invention;
description of reference numerals: 1-an annular support frame; 2-fixing the base; 21-waist-shaped hole; 3-a wire clamping block; 31-a counter bore; 4-threading channel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the wire support fitting of the present invention, as shown in fig. 1, four split wires need to be supported by the wire support fitting, the wire support fitting includes a fixing base 2, an annular support frame 1 and a wire clamping block 3 disposed outside the annular support frame 1, each split wire is clamped and fixed between the wire clamping block 3 and the annular support frame 1, and the fixing base 2 and the annular support frame 1 are molded into a whole by casting to simplify the assembly process and enhance the structural strength of the wire support fitting.
Specifically, as shown in fig. 1-3, in this embodiment, the annular supporting frame 1 is a regular polygon ring frame, the wire clamping block 3 is installed on an edge of the regular polygon ring frame, two counter bores 31 are provided on the wire clamping block 3, two through holes are correspondingly provided on an edge for fixing a wire on the annular supporting frame 1, the wire clamping block 3 is fixed after passing through the through holes and the counter bores 31 through bolts, and through the counter bores 31, a nut portion of the bolts can sink below an outer surface of the wire clamping block 3, so that an anti-corona effect of the wire supporting frame is improved. The outer surface of the edge of the annular supporting frame 1 on which the split conductor needs to be installed is provided with an arc-shaped groove extending along the axial direction of the annular supporting frame 1, the side surface of the conductor clamping block 3 facing the annular supporting frame 1 is also provided with a corresponding arc-shaped groove, the two arc-shaped grooves are buckled to form a threading channel 4 for the split conductor to pass through, and the split conductor passes through the two arc-shaped grooves and then is tightly clamped with the annular supporting frame 1 through screwing a bolt, so that the split conductor is fixed. In other embodiments, the split conductor may be mounted on the inside of the annular support frame, and the conductor clamping block is correspondingly mounted on the inside surface of the annular support frame. In other embodiments, instead of a counter bore, a straight bore may be provided in the wire clamp block, with the nut portion of the bolt being located outside the outer surface of the wire clamp block.
In order to enhance the strength of the wire support frame, the size of the wire support frame along the axial direction needs to be increased, so three groups of wire clamping blocks 3 are commonly arranged in this embodiment, each group of wire clamping blocks 3 is four, and corresponds to four split wires respectively, and the three groups of wires correspond to each other in the axial direction of the wire support frame, that is, the three wire clamping blocks 3 for fixing the same split wire are arranged along the axial direction of the annular support frame 1. Because the split conductor usually adopts the form of stranded conductor, the cross-sectional shape is different everywhere, when annular braced frame 1 along axial dimension great through a plurality of wire clamp splice 3 to the wire when pressing from both sides dress, each wire clamp splice 3 is not influenced between, compare in adopting a longer wire clamp splice 3 fixed more stable. In other embodiments, two or more sets of wire clamp blocks may be provided to secure the split wires. In other embodiments, only one set of wire clamp blocks may be provided, but the wire clamp blocks have a larger dimension in the axial direction of the ring-shaped support frame.
Because four split conductors need to be supported, the annular support frame 1 in the embodiment is a regular octagon, and one side of a regular polygon is arranged between two adjacent split conductors in the same group of the conductor clamping blocks 3, so that the split conductors are distributed more uniformly, and the distance between the split conductors is ensured. In other embodiments, the annular support frame may also be a regular quadrilateral, and four wire clamping blocks in each group are correspondingly mounted on four sides. In other embodiments, the annular support frame may also be circular, and the wire clamping blocks are uniformly arranged on the outer surface of the annular support frame. In other embodiments, the supporting frame may also be radial and radiate from a central point to the periphery in a plane, each mounting location is connected with the central point through a rod-shaped structure, and the central point is connected with the fixed base through a rod-shaped structure. In other embodiments, the annular supporting frame may also be a rectangular frame with the long sides arranged horizontally and the short sides arranged vertically, and the four wire clamping blocks of each group are respectively and correspondingly arranged at the positions of the long sides close to the two ends. In other embodiments, reinforcing ribs for added structural strength may also be provided within the annular support frame.
In this embodiment, the fixing base 2 and the annular supporting frame 1 are integrally formed by casting, the fixing base 2 is a disc shape, and is provided with fixing connection holes, the fixing connection holes are waist-shaped holes 21 and are uniformly arranged along the circumferential direction of the disc, and the bolts penetrate through the waist-shaped holes 21 and then are fixed with the insulating support columns. The axis of the annular supporting frame 1 is parallel to the plane of the disc-shaped fixed base 2, one edge of the annular supporting frame 1, which is not provided with the wire clamping block 3, faces the fixed base 2 and is connected with the fixed base 2 into a whole, and the annular supporting frame 1 is positioned in the middle of the disc-shaped fixed base 2. Fixed baseplate 2 sets to the disc, and annular braced frame 1 sets up behind fixed baseplate 2 middle part annular braced frame 1 receive fixed baseplate 2 support more even to the center is located the middle part, also is more stable after installing wire support gold utensil on insulating pillar. The axis of the annular supporting frame 1 is parallel to the plane of the fixed base 2, so that the split conductor can not interfere with the fixed base 2. In other embodiments, the fixing base may be a regular polygon, such as a square, or a regular hexagon. In other embodiments, the annular support frame may also be disposed at a position offset from the center of the disc-shaped fixed base. In other embodiments, the stationary base and the annular support frame may be machined as a single piece.
In this embodiment, fixed baseplate 2 and annular braced frame 1 integrated casting shaping, only need install the split conductor on annular braced frame 1 through wire clamp splice 3 when the installation, correspond fixed baseplate 2 install on insulating pillar can, no longer need connect fixedly between annular braced frame 1 and the fixed baseplate 2, the assembly process that the wire supported the gold utensil has been simplified, the installation effectiveness is improved, and fixed baseplate and annular braced frame bulk strength after the integrated casting shaping are higher, and is not fragile, the reliability that the wire supported the gold utensil has been improved.

Claims (6)

1. A wire support fitting, comprising:
the fixed base is used for being fixedly connected to the insulating support;
the supporting frame is integrally arranged on the fixed base;
the wire clamping blocks are arranged in groups, and more than two wire clamping blocks are arranged in each group;
more than two groups of circumferentially arranged mounting positions are arranged on the supporting frame, and each wire clamping block of the same group is correspondingly arranged at each mounting position of the same group;
the wire clamping block is fixedly connected to the support frame through a threaded connecting piece, a threading channel for a wire to pass through along the axial direction of the circumference of the same group of installation positions is formed between the wire clamping block and the support frame, and the wire can be clamped and fixed through the wire clamping block when the threaded connecting piece is screwed;
the support frame is an annular support frame;
the fixed base is disc-shaped, a fixed connecting hole is formed in the fixed base, the axis of the annular supporting frame is parallel to the plane of the disc-shaped fixed base, and the annular supporting frame is positioned in the middle of the disc-shaped fixed base;
the wire clamping blocks are arranged in more than two groups, and each group of the wire clamping blocks corresponds to each other in the axial direction of the annular supporting frame.
2. The wire support fitting of claim 1, wherein the fixing base and the support frame are integrally formed by casting.
3. The wire support fitting of claim 1, wherein the annular support frame is a regular polygon ring frame, and the wire clamp blocks are mounted on the sides of the regular polygon ring frame.
4. The wire support fitting of claim 3, wherein adjacent ones of the wire clamp blocks of a same group are spaced apart by a side of the regular polygon.
5. The wire support fitting of claim 1, wherein the wire clamp block is mounted to an outer side of the annular support frame.
6. The wire support fitting of claim 1, wherein the wire clamp block is provided with a counter bore, and the threaded connector is inserted into the counter bore to be fixedly connected with the annular support frame.
CN201910672794.9A 2019-07-24 2019-07-24 Wire support fitting Active CN110459998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910672794.9A CN110459998B (en) 2019-07-24 2019-07-24 Wire support fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910672794.9A CN110459998B (en) 2019-07-24 2019-07-24 Wire support fitting

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CN110459998A CN110459998A (en) 2019-11-15
CN110459998B true CN110459998B (en) 2021-08-20

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448641A (en) * 2004-04-30 2008-10-22 Preformed Line Products Co Clamp arm housing and frame.
KR20110047866A (en) * 2009-10-30 2011-05-09 한국전력공사 Spacer damper
CN201846042U (en) * 2010-11-02 2011-05-25 南京线路器材厂 UHVDC jumper spacer for multiple-splitting conductor
CN104362444A (en) * 2014-10-31 2015-02-18 平高集团有限公司 Divided conductor clamp fitting for EHV (Extra-High Voltage) DC (Direct Current) convertor station and branch clamps thereof
CN204905815U (en) * 2015-06-30 2015-12-23 平高集团有限公司 Wire supports fixed gold utensil and conductor spacer support thereof
CN106786287A (en) * 2016-11-17 2017-05-31 平高集团有限公司 A kind of split conductor supports gold utensil
CN108565805A (en) * 2018-04-27 2018-09-21 上海永固电力器材有限公司 A kind of new structural pipe bus bar fixing hardware of substation
CN109586230A (en) * 2018-12-18 2019-04-05 平高集团有限公司 A kind of fixed fitting of split conductor support

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448641A (en) * 2004-04-30 2008-10-22 Preformed Line Products Co Clamp arm housing and frame.
KR20110047866A (en) * 2009-10-30 2011-05-09 한국전력공사 Spacer damper
CN201846042U (en) * 2010-11-02 2011-05-25 南京线路器材厂 UHVDC jumper spacer for multiple-splitting conductor
CN104362444A (en) * 2014-10-31 2015-02-18 平高集团有限公司 Divided conductor clamp fitting for EHV (Extra-High Voltage) DC (Direct Current) convertor station and branch clamps thereof
CN204905815U (en) * 2015-06-30 2015-12-23 平高集团有限公司 Wire supports fixed gold utensil and conductor spacer support thereof
CN106786287A (en) * 2016-11-17 2017-05-31 平高集团有限公司 A kind of split conductor supports gold utensil
CN108565805A (en) * 2018-04-27 2018-09-21 上海永固电力器材有限公司 A kind of new structural pipe bus bar fixing hardware of substation
CN109586230A (en) * 2018-12-18 2019-04-05 平高集团有限公司 A kind of fixed fitting of split conductor support

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