CN203415931U - Anti-water-accumulation strain clamp - Google Patents
Anti-water-accumulation strain clamp Download PDFInfo
- Publication number
- CN203415931U CN203415931U CN201320563067.7U CN201320563067U CN203415931U CN 203415931 U CN203415931 U CN 203415931U CN 201320563067 U CN201320563067 U CN 201320563067U CN 203415931 U CN203415931 U CN 203415931U
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- China
- Prior art keywords
- strain clamp
- aluminum pipe
- wire
- ponding
- steel
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- Expired - Lifetime
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Abstract
The utility model provides an anti-water-accumulation strain clamp which is arranged at an overhead transmission line terminal, used for anchoring a lead and maintaining electrical and mechanical performances. The anti-water-accumulation strain clamp comprises a steel anchor, an aluminum pipe and a drainage plate, wherein the steel anchor is arranged at one end of the aluminum pipe, and is connected with the lead arranged in the aluminum pipe. The anti-water-accumulation strain clamp has the following improvement: a grease injecting hole is formed in the side wall of the aluminum pipe. Compared with the prior art, the anti-water-accumulation strain clamp provided by the utility model is capable of preventing rainwater from infiltrating to avoid forming accumulated water, ensures that a transmission line safely and stably runs, is good in anti-water-accumulation effect, simple in structure, easy to install and operate, and good in economic performance, and is suitable for large-scale popularization and use.
Description
Technical field
The utility model relates to a kind of strain clamp, is specifically related to the anti-ponding strain clamp that a kind of overhead transmission line is used.
Background technology
In recent years, being accompanied by China Power developing steps constantly accelerates, China Power Grids is also developed rapidly, network system working voltage grade improves constantly, network size also constantly expands, power grid construction has become the main direction of China's power construction at present, to the year two thousand twenty, will build up strong intelligent grid comprehensively, the preliminary target of building world-class electrical network that realizes.
Strain clamp is used for wire or lightning conducter to be fixed on the strain insulator string of non-rectilinear shaft tower, plays anchorage effect, is also used for fixing the bracing wire of bracing wire shaft tower, is the important gold utensil in transmission line.
Current transmission line wire adopts steel reinforced aluminium conductor mostly, and big across also usually adopts steel core aluminum alloy stranded wire, and when wire and strain clamp crimping, steel core is incompressible, has gap between steel core, easily forms penetrating passage.There is step-like ledge strain clamp steel anchor end, and end aluminum pipe is directly pressed on steel anchor tube, and comparatively closely knit after crimping, strain clamp draw ring side end is closely knit.Strain insulator-string when reversal of the natural order of things strain clamp place wire has compared with big-elevation, after long-play, rainwater along penetrating passage to wire clamp cavity (not nip) locate to infiltrate.Because strain clamp end is closely knit, ponding cannot flow out, and therefore can cause wire clamp cavity ponding.When temperature drops to freezing point, ponding freezing and expansion, thus cause aluminium hydraulic pressed connecting pipe cavity place wire clamp aluminum pipe to occur longitudinal crack or bulge.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of anti-ponding strain clamp, prevents that rainwater from penetrating into strain clamp, guarantees the normal operation of transmission line.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of anti-ponding strain clamp that the utility model provides, described strain clamp is arranged on overhead transmission line terminal, for anchoring wire, and keeps its electric, mechanical performance, comprising: steel anchor, aluminum pipe and drainage plate; Described steel anchor is arranged on one end of described aluminum pipe, and is connected with the wire in being arranged on described aluminum pipe; Its improvements are, the sidewall of described aluminum pipe is provided with greasing hole.
Wherein, described aluminum pipe is cylinder, and outside, one end is provided with pulls out slightly.
Wherein, described drainage plate is arranged on the outer wall of described aluminum pipe, and the other end is connected with conduction wire clamp.
Wherein, one end of described steel anchor is annulus or circular hole, and the other end is stepped cylinder, in the cylinder of distal-most end, along axis direction, is provided with hole, and in the middle of described steel anchor, outside is provided with the fin matching with described aluminum pipe.
Wherein, described wire is steel reinforced aluminium conductor, steel core aluminum alloy stranded wire, steel-cored shaped aluminium stranded conductor or steel-cored shaped aluminum alloy stranded wire, comprises steel core and conductor; Described steel core is arranged in the hole of described steel anchor, and described steel core and steel anchor are integrated by crimping.
Wherein, described wire or be aluminum stranded wire of aluminum alloy core, aluminium alloy core moulding aluminium stranded conductor, comprises aluminium alloy core and aluminum steel; Described aluminium alloy core is arranged in the hole of described steel anchor, and described aluminium alloy core and steel anchor are integrated by crimping.
Wherein, described aluminum pipe and wire are integrated by crimping.
Wherein, the quantity in described greasing hole is at least one, is arranged on the crimping district of described aluminum pipe, and described greasing hole is provided with aluminium lid.
Wherein, electric power fat is arranged in the cavity of described steel anchor, aluminum pipe and wire formation by described greasing hole.
Compared with prior art, the beneficial effect that the utility model reaches is:
1, the anti-ponding strain clamp that the utility model provides, can prevent that rainwater from infiltrating strain clamp and forming ponding, guarantees the safe and stable operation of transmission line.
2, the anti-ponding strain clamp that the utility model provides, anti-ponding is effective, simple in structure, is easy to install, operate.
3, the anti-ponding strain clamp that the utility model provides, economic performance is good, and suitable large-scale promotion is used.
4, the anti-ponding strain clamp that the utility model provides, adopts fluid pressure type crimping, technical maturity, and crimp quality is easily protected, and has overcome the crimping problem of wire.
5, the anti-ponding strain clamp that the utility model provides, by the aluminium alloy core of steel anchor and wire or the direct crimping of steel core, greatly improves effective, stable that steel anchor grips wire.
6, the anti-ponding strain clamp that the utility model provides, the aluminum pipe of employing, also can be as the good conduction current of electric conductor except effectively bearing the pulling force of wire.
7, the anti-ponding strain clamp that the utility model provides, the electric power fat of employing has conductivity, conduction current that can be good.
Accompanying drawing explanation
Fig. 1 is: the anti-ponding strain clamp structural representation that the utility model provides;
Wherein: 1, steel anchor; 2, aluminum pipe; 3, drainage plate; 4, greasing hole.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The present embodiment is in case ponding strain clamp is example, and as shown in Figure 1, the anti-ponding strain clamp that the utility model embodiment provides comprises: steel anchor 1, aluminum pipe 2, drainage plate 3 and greasing hole 4; The steel core of steel anchor 1 and wire or aluminium alloy core crimping are integrated, and are arranged in aluminum pipe 2; After steel anchor 1 and aluminum pipe 2 are threaded connection, and crimping is integrated; Aluminum steel or the aluminium alloy wire of aluminum pipe 2 and wire are integrated by crimping; Drainage plate 3 is welded on the outer wall of aluminum pipe 2, and links together with conduction wire clamp; The crimping district that is positioned at aluminum pipe 2 is provided with greasing hole 4, and the quantity in greasing hole 4 is at least one.
Before crimping aluminum pipe 2, by greasing hole 4, to the interior injection electric power of aluminum pipe 2 fat, make electric power fat fill up the cavity that steel anchor 1, aluminum pipe 2 and wire form, then with aluminium lid, block greasing hole 4, the aluminium molded line of steel anchor 1 and aluminum pipe 2, aluminum pipe 2 and wire is carried out respectively to crimping.
After crimping, the not nip that electric power fat fills up aluminum pipe 2 is cavity, can prevent that rainwater from injecting aluminum pipe 2, and at the interior formation ponding of aluminum pipe 2, thereby can avoid the ponding frost heave of freezing, guarantee that crack or bulge do not appear in strain clamp, thereby guarantee the safe and stable operation of transmission line.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. an anti-ponding strain clamp, described strain clamp is arranged on overhead transmission line terminal, for anchoring wire, and keeps its electric, mechanical performance, comprising: steel anchor, aluminum pipe and drainage plate; Described steel anchor is arranged on one end of described aluminum pipe, and is connected with the wire in being arranged on described aluminum pipe; It is characterized in that, the sidewall of described aluminum pipe is provided with greasing hole.
2. anti-ponding strain clamp as claimed in claim 1, is characterized in that, described aluminum pipe is cylinder, and outside, one end is provided with pulls out slightly.
3. anti-ponding strain clamp as claimed in claim 1, is characterized in that, described drainage plate is arranged on the outer wall of described aluminum pipe, and the other end is connected with conduction wire clamp.
4. anti-ponding strain clamp as claimed in claim 1, it is characterized in that, one end of described steel anchor is annulus or circular hole, and the other end is stepped cylinder, in the cylinder of distal-most end, along axis direction, be provided with hole, in the middle of described steel anchor, outside is provided with the fin matching with described aluminum pipe.
5. anti-ponding strain clamp as claimed in claim 4, is characterized in that, described wire is steel reinforced aluminium conductor, steel core aluminum alloy stranded wire, steel-cored shaped aluminium stranded conductor or steel-cored shaped aluminum alloy stranded wire, comprises steel core and conductor; Described steel core is arranged in the hole of described steel anchor, and described steel core and steel anchor are integrated by crimping.
6. anti-ponding strain clamp as claimed in claim 5, is characterized in that, described wire or be aluminum stranded wire of aluminum alloy core, aluminium alloy core moulding aluminium stranded conductor comprises aluminium alloy core and aluminum steel; Described aluminium alloy core is arranged in the hole of described steel anchor, and described aluminium alloy core and steel anchor are integrated by crimping.
7. anti-ponding strain clamp as claimed in claim 1, is characterized in that, described aluminum pipe and wire are integrated by crimping.
8. anti-ponding strain clamp as claimed in claim 7, is characterized in that, the quantity in described greasing hole is at least one, is arranged on the crimping district of described aluminum pipe, and described greasing hole is provided with aluminium lid.
9. anti-ponding strain clamp as claimed in claim 8, is characterized in that, electric power fat is arranged in the cavity of described steel anchor, aluminum pipe and wire formation by described greasing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563067.7U CN203415931U (en) | 2013-09-11 | 2013-09-11 | Anti-water-accumulation strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563067.7U CN203415931U (en) | 2013-09-11 | 2013-09-11 | Anti-water-accumulation strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415931U true CN203415931U (en) | 2014-01-29 |
Family
ID=49978790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563067.7U Expired - Lifetime CN203415931U (en) | 2013-09-11 | 2013-09-11 | Anti-water-accumulation strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415931U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490359A (en) * | 2013-09-11 | 2014-01-01 | 国家电网公司 | Anti-waterlogging strain clamp |
| CN104332921A (en) * | 2014-10-31 | 2015-02-04 | 国家电网公司 | Forged integrated strain clamp applied to aluminum alloy stranded conductor |
| CN104348123A (en) * | 2014-10-31 | 2015-02-11 | 国家电网公司 | Forging integrated type oiling strain clamp for aluminum alloy stranded wire |
| CN106934099A (en) * | 2017-02-10 | 2017-07-07 | 华南理工大学 | A kind of method for determining strain clamp current-carrying capacity and distribution of three-dimensional temperature |
| AT16006U1 (en) * | 2017-06-30 | 2018-10-15 | Mosdorfer Gmbh | Press clamp connection for aluminum ropes with suspension core |
| CN109994962A (en) * | 2019-03-11 | 2019-07-09 | 国核电力规划设计研究院有限公司 | The fixed device of strain clamp greasing and application method |
| CN110449321A (en) * | 2019-08-09 | 2019-11-15 | 浙江华电器材检测研究所有限公司 | A kind of strain clamp infuses the device of conductive grease automatically |
-
2013
- 2013-09-11 CN CN201320563067.7U patent/CN203415931U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490359A (en) * | 2013-09-11 | 2014-01-01 | 国家电网公司 | Anti-waterlogging strain clamp |
| CN103490359B (en) * | 2013-09-11 | 2016-08-10 | 国家电网公司 | A kind of anti-waterlogging strain clamp |
| CN104332921A (en) * | 2014-10-31 | 2015-02-04 | 国家电网公司 | Forged integrated strain clamp applied to aluminum alloy stranded conductor |
| CN104348123A (en) * | 2014-10-31 | 2015-02-11 | 国家电网公司 | Forging integrated type oiling strain clamp for aluminum alloy stranded wire |
| CN106934099A (en) * | 2017-02-10 | 2017-07-07 | 华南理工大学 | A kind of method for determining strain clamp current-carrying capacity and distribution of three-dimensional temperature |
| AT16006U1 (en) * | 2017-06-30 | 2018-10-15 | Mosdorfer Gmbh | Press clamp connection for aluminum ropes with suspension core |
| CN109994962A (en) * | 2019-03-11 | 2019-07-09 | 国核电力规划设计研究院有限公司 | The fixed device of strain clamp greasing and application method |
| CN110449321A (en) * | 2019-08-09 | 2019-11-15 | 浙江华电器材检测研究所有限公司 | A kind of strain clamp infuses the device of conductive grease automatically |
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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 |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |