CN201336539Y - Rotary wire clamp - Google Patents
Rotary wire clamp Download PDFInfo
- Publication number
- CN201336539Y CN201336539Y CNU2008201243354U CN200820124335U CN201336539Y CN 201336539 Y CN201336539 Y CN 201336539Y CN U2008201243354 U CNU2008201243354 U CN U2008201243354U CN 200820124335 U CN200820124335 U CN 200820124335U CN 201336539 Y CN201336539 Y CN 201336539Y
- Authority
- CN
- China
- Prior art keywords
- wire clamp
- outer wire
- rotary
- clamp
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a rotary wire clamp which comprises an outer wire clamp and an inner wire clamp. The outer wire clamp comprises an outer wire clamp main body and a semicircular outer wire clamp gland bush; one end of the outer wire clamp main body is a connecting part fixedly connected with a conductor spacer and the other end is a semicircular clamping part; the outer wire clamp gland bush is buckled and connected with the semicircular clamping part to form a binding hole; a sliding groove is arranged along the circumference on the inner wall of the binding hole; the inner wire clamp is arranged in the binding hole of the outer wire clamp; a clamping hole is arranged on the inner wire clamp along the axial direction of the binding hole; and a flange type track slidingly arranged in the sliding groove is arranged on the outer wall of the inner wire clamp. Adopting the structure design of integrally wrapping the inner wire clamp through the outer wire clamp to enable the relatively rotating sliding groove and the flange type track of the inner wire clamp and the outer wire clamp to be sealed and not exposed, the rotary wire clamp is capable of effectively avoiding the nonflexible rotation of the rotating parts due to contamination.
Description
Technical Field
The utility model relates to an electric power fitting especially relates to a rotation fastener.
Background
Various accidents may occur to the overhead transmission line due to the action of natural conditions in the operation process, wherein galloping of the transmission line is one of serious hazards. The harm caused by the galloping of the power transmission line is various, light people generate flashover and tripping, heavy people cause hardware and insulators to be damaged, and the damage to strands of wires, the breakage of the wires, the looseness and the falling of tower bolts and even tower falling can be caused, so that major power grid accidents are caused. China is a dancing country, the dancing problem becomes one of the most main factors threatening the safe operation of the transmission line in China from the statistics and analysis data of accidents of the overhead transmission line in recent years, and along with the development of the construction of the power grid in China, the transmission line has the characteristics and the trend of easy dancing induction such as large section of a lead, more split numbers, compact structure and the like, and the situation of line anti-galloping is more severe. It is generally considered that the generation of the transmission line galloping mainly depends on three elements, namely 'uneven ice coating on the surface of a wire', 'proper wind excitation' and 'easily-galloped line structure parameters'; among them, "uneven ice coating" is a necessary condition for line waving and is also one of the most important conditions. Thus, it is clearly advantageous to prevent the wire from being unevenly iced or to effectively reduce the uneven icing degree of the wire. The inventor designs a rotary wire clamp, and the rotary wire clamp is arranged on a spacer to form a rotary spacer, so that uneven ice coating of a lead is prevented to prevent the transmission line from galloping.
The conventional rotary wire clamp (as shown in fig. 5) comprises a wire clamp support 91 and a swinging wire clamp body 92, wherein the wire clamp support 91 is fixedly connected to the spacer, and the swinging wire clamp body 92 is slidably disposed on the wire clamp support 91 and can swing around its own rotation center; the swinging wire clamp body 92 comprises a wire clamp body 921 and a wire clamp gland 922, the wire clamp body 921 and the wire clamp gland 922 are connected into a whole by a pin shaft and form a cylinder, and a clamping hole 923 for fixedly holding a wire is formed in the center of the cylindrical swinging wire clamp body 92; a continuous arc-shaped sliding rail 9211 is arranged on the cylindrical surface of the wire clamp body 921 along the circumferential direction; the tip of fastener supporter 91 is equipped with slider 911, slider 911 cunning is located in the arc slide rail 9211. However, the existing rotary wire clamp has at least the following defects in use:
1. the arc slide rail sets up on the surface of fastener body, gets into some dust and sand or other impurity very easily, when the slider slided in this arc slide rail, can influence gliding smooth and easy nature because of impurity.
2. The arc-shaped sliding rail has a certain angle, so that the swinging wire clamp body can only swing relative to the wire clamp supporting body within a certain angle range, and cannot rotate in a whole circle.
3. The wire clamp body, the sliding block and other components are all formed by casting aluminum materials, and aluminum scraps are easily generated when the wire clamp body and the sliding block slide relative to each other to influence the smoothness of sliding; moreover, the aluminum material has a large friction coefficient, which is not favorable for the relative sliding of the aluminum material and the aluminum material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotation fastener adopts the whole structural design who wraps the interior fastener of outer line clamp, makes the rotation position that interior, outer line pressed from both sides relative gyration be in and seal and not exerted state to effectively prevent to rotate the position and cause the inflexible condition of gyration to take place because of the pollution.
Another object of the present invention is to provide a rotary cable clamp, wherein the stainless steel sheet is embedded at the relative rotation position of the inner and outer cable clamps to solve the problem of abrasion of the rotary cable clamp.
The utility model aims at realizing the purpose, and discloses a rotary wire clamp, which comprises an outer wire clamp and an inner wire clamp; the outer wire clamp is composed of an outer wire clamp body and a semicircular outer wire clamp pressing cover, one end of the outer wire clamp body is a connecting part fixedly connected with the spacer, the other end of the outer wire clamp body is a semicircular clamping part, and the outer wire clamp pressing cover is connected to the semicircular clamping part in a buckling mode to form a combining hole; the inner wall of the combining hole is provided with a sliding groove along the circumferential direction; the inner wire clamp is arranged in a combination hole of the outer wire clamp, a clamping hole is axially formed in the inner wire clamp along the combination hole, and a flange type track which is slidably arranged in the sliding groove is arranged on the outer wall of the inner wire clamp.
In a preferred embodiment of the present invention, one end of the outer wire clamping cap is connected to the semicircular clamping portion by a pin, and the other end of the outer wire clamping cap is fixedly connected to the semicircular clamping portion by a bolt.
In a preferred embodiment of the present invention, the inner wire clamp is composed of two symmetrical half clamps, and the two symmetrical half clamps are fixedly connected by a pin.
In a preferred embodiment of the present invention, a rubber pad for holding the wire is disposed in the clamping hole of the inner clip.
In a preferred embodiment of the present invention, the inner and outer clips are made by casting.
In a preferred embodiment of the present invention, the sliding groove of the outer clip is provided with a stainless steel sheet on the surface.
In a preferred embodiment of the present invention, the flange-type rail of the inner clip is provided with a stainless steel sheet on the surface thereof.
In a preferred embodiment of the present invention, the stainless steel sheet is integrally cast with the inner and outer wire clips, respectively.
From top to the utility model discloses the interior line clamp of rotation fastener rotationally sets up in the joint hole of outer fastener, it has the split conductor to grip in the centre gripping hole of interior line clamp, when having eccentric icing on the wire, the wire can twist reverse along with interior line clamp is automatic relatively outer fastener under the eccentric force effect to can't form eccentric icing, consequently, can avoid transmission line to take place to wave. Further, because the utility model discloses in adopt the whole structural design who wraps the inner wire clamp of outer wire clamp, make the relative pivoted slip recess of inside and outside wire clamp and flange formula track be in and seal and not exposed state, so, can effectively prevent to rotate the position and cause the inflexible condition of gyration to take place because of the pollution.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
FIG. 1: do the utility model discloses a spatial structure schematic diagram.
FIG. 2A: is the front structure schematic diagram of the utility model.
FIG. 2B: is a schematic right view of fig. 1A.
FIG. 3A: do the utility model discloses the structural schematic diagram of china and foreign wire clamp body.
FIG. 3B: is a schematic right view of fig. 3A.
FIG. 3C: do the utility model discloses the structural schematic of china and foreign wire clamp gland.
FIG. 3D: is a schematic right view of fig. 3C.
FIG. 3E: do the utility model discloses the structure schematic diagram of china and foreign fastener body and outer fastener gland lock.
FIG. 4A: does the utility model discloses the structure schematic diagram of a half clamp body of well inner clamp.
FIG. 4B: is a right-side view of the schematic diagram of fig. 4A.
FIG. 4C: is a schematic cross-sectional view of K-K in FIG. 4A.
FIG. 4D: do the utility model discloses the structure schematic diagram that two half clamp bodies of well inner clamp combine.
FIG. 5: the prior structure is schematically shown.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 4D, a rotary type wire clamp includes an outer wire clamp 1 and an inner wire clamp 2; the external wire clamp 1 comprises an external wire clamp body 11 and a semicircular external wire clamp pressing cover 12, wherein one end of the external wire clamp body 11 is a connecting part 111 fixedly connected with a spacer (not shown in the figure), the other end of the external wire clamp body is a semicircular clamping part 112, and the external wire clamp pressing cover 12 is connected to the semicircular clamping part 112 in a buckling manner to form a combining hole 13 (shown in fig. 3E); the inner wall of the coupling hole 13 is provided with a continuous sliding groove 14 along the circumferential direction thereof (in the present embodiment, the sliding groove 14 is provided on the semicircular clamping portion 112 and the inner wall surface of the outer wire clamp cover 12); the inner clip 2 is disposed in the coupling hole 13 of the outer clip 1, the inner clip 2 is provided with a clamping hole 22 (as shown in fig. 4D) along the axial direction of the coupling hole 13, and the outer wall of the inner clip 2 is provided with a flange-type rail 23 slidably disposed in the sliding groove 14.
From top to the utility model discloses the interior line of rotation fastener presss from both sides 2 and rotationally sets up in the combination hole 13 of outer fastener 1, grip split conductor (not shown in the figure) in the centre gripping hole 22 that the interior line pressed from both sides 2, when having the eccentric icing on the wire, the wire can press from both sides 1 autotorsion along with the relative outside line of interior line fastener 2 under the eccentric force effect to can't form eccentric icing, consequently, can avoid transmission line to take place to wave. Further, because the utility model discloses in adopt outer fastener 1 to wholly wrap the structural design of inner fastener 2, make the slip recess 14 and the flange formula track 23 that inside and outside wire pressed from both sides the relative gyration be in and seal and not exposed state, so, can effectively prevent to rotate the position and cause the inflexible condition of gyration to take place because of the pollution.
In the present embodiment, the inner wire clamp 2 and the outer wire clamp 1 are made by a casting method; the surface of the sliding groove 14 of the outer wire clamp 1 is provided with a stainless steel sheet 15; the surface of the flanged rail 23 of the inner clip 2 is also provided with a stainless steel sheet 25. The stainless steel sheets 15 and 25 are respectively cast with the outer wire clamp 1 and the inner wire clamp 2 integrally (i.e. the stainless steel sheets are arranged at corresponding positions in a casting mould, and then the subsequent casting process is carried out).
Because the friction coefficient of stainless steel material is less than the friction coefficient of aluminum product, therefore, the utility model discloses in including, outside press from both sides relative rotation position (namely: sliding groove 14 and flange formula track 23 on the surface) integrative casting has stainless steel sheet 15 and 25, not only can reduce both relative sliding resistance, can also avoid producing the aluminium bits easily in the current structure and influence gliding defect, so, the utility model discloses can improve inside, outside press from both sides relative gliding smoothness nature.
Further, in the present embodiment, the inner clip 2 is formed by two symmetrical half clip bodies 21, and the two symmetrical half clip bodies 21 are fixedly connected together by the pin shafts 211 and 212. When a wire is clamped, one ends of the two half clamp bodies 21 are connected through the pin shaft 211, the wire enters the clamping hole 22 through the other ends of the two half clamp bodies 21 which are not connected, and then the other ends of the wire are connected through the pin shaft 212, so that the operation is simple and rapid.
A rubber pad 3 for holding the wire is also arranged in the clamping hole 22 of the inner wire clamp 2, and the rubber pad 3 is directly contacted with the wire so as to clamp the wire.
In this embodiment, one end of the outer clamp pressing cover 12 is connected to the semicircular clamping portion 112 by a pin 121, and the other end is fixedly connected to the semicircular clamping portion 112 by a bolt 122.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a rotation fastener which characterized in that: the rotary wire clamp comprises an outer wire clamp and an inner wire clamp; the outer wire clamp is composed of an outer wire clamp body and a semicircular outer wire clamp pressing cover, one end of the outer wire clamp body is a connecting part fixedly connected with the spacer, the other end of the outer wire clamp body is a semicircular clamping part, and the outer wire clamp pressing cover is connected to the semicircular clamping part in a buckling mode to form a combining hole; the inner wall of the combining hole is provided with a sliding groove along the circumferential direction; the inner wire clamp is arranged in a combination hole of the outer wire clamp, a clamping hole is axially formed in the inner wire clamp along the combination hole, and a flange type track which is slidably arranged in the sliding groove is arranged on the outer wall of the inner wire clamp.
2. The rotary wire clamp of claim 1, wherein: one end of the outer wire clamp gland is connected with the semicircular clamping part through a pin shaft, and the other end of the outer wire clamp gland is fixedly connected with the semicircular clamping part through a bolt.
3. The rotary wire clamp of claim 1, wherein: the inner wire clamp is composed of two symmetrical half clamp bodies which are fixedly connected through a pin shaft.
4. The rotary wire clamp of claim 1, wherein: and a rubber pad for holding the wire is arranged in the clamping hole of the inner wire clamp.
5. The rotary wire clamp of claim 1, wherein: the inner and outer wire clamps are made by casting.
6. The rotary wire clamp of claim 5, wherein: and the surface of the sliding groove of the outer wire clamp is provided with a stainless steel sheet.
7. The rotary wire clamp of claim 5, wherein: and a stainless steel sheet is arranged on the surface of the flange type track of the inner wire clamp.
8. The rotary wire clamp of claim 6 or 7, wherein: the stainless steel sheet is respectively cast with the inner wire clamp and the outer wire clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201243354U CN201336539Y (en) | 2008-12-09 | 2008-12-09 | Rotary wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201243354U CN201336539Y (en) | 2008-12-09 | 2008-12-09 | Rotary wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336539Y true CN201336539Y (en) | 2009-10-28 |
Family
ID=41288201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201243354U Expired - Lifetime CN201336539Y (en) | 2008-12-09 | 2008-12-09 | Rotary wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201336539Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013652A (en) * | 2010-11-01 | 2011-04-13 | 江苏天南电力器材有限公司 | Rotating clamp splice for turnable wire clamp of conductor spacer |
| CN101741039B (en) * | 2009-11-04 | 2011-12-28 | 中国电力科学研究院 | Rotating wire clamp for spacer of overhead transmission lines |
| CN102684125A (en) * | 2012-05-31 | 2012-09-19 | 江苏双汇电力发展股份有限公司 | Preformed armour rod rotation chuck-type shockproof hammer |
| CN103208768A (en) * | 2012-03-28 | 2013-07-17 | 国家电网公司 | Method for suppressing waving of extra-high voltage bundled conductor |
| CN103997006A (en) * | 2014-05-21 | 2014-08-20 | 江东金具设备有限公司 | Slewing spaced bar wire clamp |
| CN110011254A (en) * | 2019-04-29 | 2019-07-12 | 华北电力科学研究院有限责任公司 | A kind of rotatable suspension clamp of conducting wire |
| CN110048358A (en) * | 2019-04-29 | 2019-07-23 | 华北电力科学研究院有限责任公司 | A kind of revolution wire clamp of the conductor spacer of weak rotary resistance |
| CN111210980A (en) * | 2020-03-19 | 2020-05-29 | 未彬 | Transformer lead mounting structure |
| CN111682487A (en) * | 2020-06-02 | 2020-09-18 | 安徽省含山县兴建铸造厂 | Vibration damper with convenient replacement structure and machining process thereof |
-
2008
- 2008-12-09 CN CNU2008201243354U patent/CN201336539Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741039B (en) * | 2009-11-04 | 2011-12-28 | 中国电力科学研究院 | Rotating wire clamp for spacer of overhead transmission lines |
| CN102013652A (en) * | 2010-11-01 | 2011-04-13 | 江苏天南电力器材有限公司 | Rotating clamp splice for turnable wire clamp of conductor spacer |
| CN103208768A (en) * | 2012-03-28 | 2013-07-17 | 国家电网公司 | Method for suppressing waving of extra-high voltage bundled conductor |
| CN102684125A (en) * | 2012-05-31 | 2012-09-19 | 江苏双汇电力发展股份有限公司 | Preformed armour rod rotation chuck-type shockproof hammer |
| CN103997006A (en) * | 2014-05-21 | 2014-08-20 | 江东金具设备有限公司 | Slewing spaced bar wire clamp |
| CN110011254A (en) * | 2019-04-29 | 2019-07-12 | 华北电力科学研究院有限责任公司 | A kind of rotatable suspension clamp of conducting wire |
| CN110048358A (en) * | 2019-04-29 | 2019-07-23 | 华北电力科学研究院有限责任公司 | A kind of revolution wire clamp of the conductor spacer of weak rotary resistance |
| CN110048358B (en) * | 2019-04-29 | 2024-06-07 | 华北电力科学研究院有限责任公司 | Rotary wire clamp of spacer with weak rotation resistance |
| CN111210980A (en) * | 2020-03-19 | 2020-05-29 | 未彬 | Transformer lead mounting structure |
| CN111682487A (en) * | 2020-06-02 | 2020-09-18 | 安徽省含山县兴建铸造厂 | Vibration damper with convenient replacement structure and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091028 |