CN212656641U - 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof - Google Patents
10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof Download PDFInfo
- Publication number
- CN212656641U CN212656641U CN202021064451.9U CN202021064451U CN212656641U CN 212656641 U CN212656641 U CN 212656641U CN 202021064451 U CN202021064451 U CN 202021064451U CN 212656641 U CN212656641 U CN 212656641U
- Authority
- CN
- China
- Prior art keywords
- cross arm
- arm body
- cross
- composite insulating
- half arc
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof, wherein 10kV composite insulation cross arm include the cross arm body of being made by composite insulation material, the cross arm body is rectangular form, the cross section top of cross arm body is to the epirelief in order to be the middle high both sides low first half arc convex part, the cross section bottom of cross arm body is to the downdraw in order to be the middle low both sides high lower half arc convex part, all inwards sunken formation half arc concave part in the middle of the both sides of the cross section of cross arm body, convex concave part respectively with first half arc convex part, lower half arc convex part smooth transition connection. The utility model has the advantages of reasonable design, effectively promote material utilization ratio under the condition that satisfies the load requirement, the top cambered surface, but the accumulation of sleet, foreign matter etc. less greatly provides powerful guarantee for the safe operation of circuit. The difficulty of bird nest building is increased, and the problem of alternate and phase ground short circuit caused by bird nest building is reduced.
Description
Technical Field
The utility model particularly relates to a 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof.
Background
The cross arm is a support piece transversely fixed on the top of the telegraph pole, and is provided with a porcelain bottle for supporting the overhead electric wire. The cross arm is an important component in a tower and is used for installing insulators and hardware fittings so as to support a conducting wire and a lightning conductor and keep a certain safety distance according to regulations. The cross arm can be divided into: an iron cross arm; a porcelain cross arm; and synthesizing the insulating cross arm. The iron cross arm is made of galvanized angle steel, is easy to corrode, has conductivity and is low in lightning resistance level. Past insulated crossarms were square insulated crossarms. Generally, a solid core body with a rectangular cross section is adopted, the utilization rate of a square insulating cross arm material is low, and due to the fact that the upper surface of the square insulating cross arm is horizontal, dirt, rain, snow and the like are prone to being accumulated to cause flashover, or birds are prone to nesting on the surface of the cross arm to cause alternate and phase short circuits.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model aims to solve the technical problem that a 10KV composite insulation cross arm and 10kV composite insulation cross arm device that structural design is reasonable is provided.
In order to solve the technical problem, the utility model discloses a technical scheme is: the 10kV composite insulating cross arm comprises a cross arm body made of a composite insulating material, wherein the cross arm body is long, the top of the cross section of the cross arm body protrudes upwards to form an upper half arc-shaped convex part with a high middle and two low sides, the bottom of the cross section of the cross arm body protrudes downwards to form a lower half arc-shaped convex part with a low middle and two high sides, the middle of each of two sides of the cross section of the cross arm body is inwards sunken to form a half arc-shaped concave part, and the half arc-shaped concave parts are respectively in smooth transition connection with the upper half arc-shaped convex part and the lower half arc-shaped convex part.
Preferably, the cross-section of the cross arm body is wide at the top and narrow at the bottom.
Preferably, the outer surface of the middle part of the cross arm body is wrapped with a rubber sheath which is made of silicon sulfide.
Preferably, a plurality of sheds are arranged on the rubber sheath, and the sheds are arranged on the outer wall of the rubber sheath at intervals along the length direction of the cross arm body.
Preferably, one end of the cross arm body is provided with a wire hanging terminal, and the top of the wire hanging terminal is in a semi-arc shape with a high middle and two low sides; the other end of the cross arm body is provided with a fixing device.
Preferably, a groove is formed in the middle of the top of the wire hanging terminal, and the bottom surface of the groove is in a semi-arc shape with a high middle and two low sides.
Preferably, the middle of the wire hanging terminal is provided with a wire threading hole.
Preferably, the fixing device comprises two fixing channel steels, the two fixing channel steels are vertically fixed on the cross arm body respectively, a fastening connecting piece is fixed between the two fixing channel steels, and the fixing channel steels are provided with mounting holes.
Preferably, the other end of the cross arm body is wrapped with an insulating outer layer.
In order to solve the technical problem, the utility model discloses a technical scheme is: a10 kV composite insulating cross arm device comprises two 10kV composite insulating cross arms, wherein one ends of the two 10kV composite insulating cross arms are connected in series through a fixing device.
Compared with the prior art, the utility model discloses following beneficial effect has: this 10kV composite insulation cross arm adopts the plug similar to the triangle-shaped of falling as the cross arm body to at the outside parcel vulcanized silicone rubber sheath of cross arm body, effectively promote material utilization under the condition that satisfies the load requirement, the top cambered surface, but the accumulation of rain and snow, foreign matter etc. less greatly provides powerful the guarantee for the safe operation of circuit. The difficulty of bird nest building is increased, and the problem of alternate and phase ground short circuit caused by bird nest building is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
The labels in the figure are: 1. a cross arm body; 2. an upper half arc-shaped convex part; 3. a lower semi-circular arc-shaped convex part; 4. a semi-circular arc-shaped concave portion; 5. a rubber sheath; 6. an umbrella skirt; 7. a wire hanging terminal; 8. a fixing device; 9. a groove; 10. threading holes; 11. fixing channel steel; 12. fastening a connecting piece; 13. and (7) installing holes.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows: as shown in fig. 1-2, a 10kV composite insulating cross arm comprises a cross arm body 1 made of a composite insulating material, wherein the cross arm body 1 is in a long strip shape, the top of the cross section of the cross arm body 1 protrudes upwards to form an upper half arc-shaped convex part 2 with a high middle and two low sides, the bottom of the cross section of the cross arm body 1 protrudes downwards to form a lower half arc-shaped convex part 3 with a low middle and two high sides, the middle of each side of the cross section of the cross arm body 1 is recessed inwards to form a half arc-shaped concave part 4, and the half arc-shaped concave parts 4 are respectively in smooth transition connection with the upper half arc-shaped convex part 2 and the lower half arc-.
In the first embodiment, the cross-section of the cross-arm body 1 is wide at the top and narrow at the bottom.
In the first embodiment, the outer surface of the middle part of the cross arm body 1 is wrapped with a rubber sheath 5, and the rubber sheath 5 is made of silicon sulfide.
In the first embodiment, the rubber sheath 5 is provided with a plurality of sheds 6, and the sheds 6 are provided on the outer wall of the rubber sheath 5 at intervals along the longitudinal direction of the cross arm body 1.
In the first embodiment, one end of the cross arm body 1 is provided with a wire hanging terminal 7, and the top of the wire hanging terminal 7 is in a semi-arc shape with a high middle and two low sides; the other end of the cross arm body 1 is provided with a fixing device 8.
In the first embodiment, a groove 9 is formed in the middle of the top of the wire hanging terminal 7, and the bottom surface of the groove 9 is in a semi-arc shape with a high middle and two low sides.
In the first embodiment, the middle of the wire hanging terminal 7 is provided with a wire threading hole 10.
In the first embodiment, the fixing device 8 includes two fixing channel steels 11, the two fixing channel steels 11 are vertically fixed on the cross arm body 1 respectively, the fixing channel steels 11 can be fixed on the cross arm body 1 by welding or the like, a fastening connector 12 is fixed between the two fixing channel steels 11, and a mounting hole 13 is formed in the fixing channel steel 11.
In the first embodiment, the other end of the cross arm body 1 is wrapped with an insulating outer layer.
Example two: as shown in fig. 3, a 10kV composite insulating cross arm device comprises two 10kV composite insulating cross arms, wherein one ends of the two 10kV composite insulating cross arms are connected in series through a fixing device 8.
The utility model discloses a core similar to inverted triangle-shaped is as cross arm body 1, and the core adopts acidproof core, pultrusion technology shaping to at cross arm body 1's outside parcel vulcanized silicone rubber sheath 5, effectively promote material utilization ratio under the condition that satisfies the load requirement, the top cambered surface, but piling up of sleet, foreign matter etc. greatly less provides powerful guarantee for the safe operation of circuit. Increasing the difficulty of bird nest and reducing the problem of alternate and phase ground short circuit caused by bird nest
The rated bending load of the cross arm of the utility model is more than or equal to 5kN, and the maximum designed bending load is more than or equal to 2.5 kN; the rated bending load of the composite insulating cross arm with the square interface is more than or equal to 4.5kN, and the maximum design bending load is more than or equal to 2 kN. Compared with the prior art, the utility model discloses a load bearing capacity will be stronger.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a 10kV composite insulation cross arm which characterized in that: the cross arm comprises a cross arm body made of a composite insulating material, wherein the cross arm body is in a long strip shape, the top of the cross section of the cross arm body protrudes upwards to form an upper half arc-shaped convex part with a high middle and two low sides, the bottom of the cross section of the cross arm body protrudes downwards to form a lower half arc-shaped convex part with a low middle and two high sides, the middle of each of two sides of the cross section of the cross arm body is inwards sunken to form a half arc-shaped concave part, and the half arc-shaped concave parts are respectively in smooth transition connection with the upper half arc-shaped convex part and.
2. The 10kV composite insulating cross arm of claim 1, wherein: the cross section of the cross arm body is wide at the top and narrow at the bottom.
3. The 10kV composite insulating cross arm of claim 1, wherein: the outer surface of the middle part of the cross arm body is wrapped with a rubber sheath which is made of silicon sulfide.
4. The 10kV composite insulating cross arm of claim 3, wherein: the rubber sheath is provided with a plurality of sheds, and the sheds are arranged on the outer wall of the rubber sheath at intervals along the length direction of the cross arm body.
5. The 10kV composite insulating cross arm of claim 1, wherein: one end of the cross arm body is provided with a wire hanging terminal, and the top of the wire hanging terminal is in a semi-arc shape with a high middle and two low sides; the other end of the cross arm body is provided with a fixing device.
6. The 10kV composite insulating cross arm of claim 5, wherein: the middle of the top of the wire hanging terminal is provided with a groove, and the bottom of the groove is in a semi-arc shape with a high middle and two low sides.
7. The 10kV composite insulating cross arm of claim 5, wherein: and a threading hole is formed in the middle of the threading terminal.
8. The 10kV composite insulating cross arm of claim 5, wherein: the fixing device comprises two fixing channel steels, the two fixing channel steels are vertically fixed on the cross arm body respectively, a fastening connecting piece is fixed between the two fixing channel steels, and mounting holes are formed in the fixing channel steels.
9. The 10kV composite insulating cross arm of claim 5, wherein: the other end of the cross arm body is wrapped with an insulating outer layer.
10. The utility model provides a 10kV composite insulation cross arm device which characterized in that: the 10kV composite insulating cross arm comprises two 10kV composite insulating cross arms as claimed in claim 1, wherein one ends of the two 10kV composite insulating cross arms are connected in series through a fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064451.9U CN212656641U (en) | 2020-06-11 | 2020-06-11 | 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064451.9U CN212656641U (en) | 2020-06-11 | 2020-06-11 | 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212656641U true CN212656641U (en) | 2021-03-05 |
Family
ID=74754275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021064451.9U Active CN212656641U (en) | 2020-06-11 | 2020-06-11 | 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212656641U (en) |
-
2020
- 2020-06-11 CN CN202021064451.9U patent/CN212656641U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8895861B2 (en) | Structural insulator | |
| CN101672124B (en) | Compound material pole tower | |
| CN201474359U (en) | Inverted F-shaped insulated tower used for electric network power transmission line | |
| CN105155907A (en) | Strain tower | |
| CN212656641U (en) | 10kV composite insulation cross arm and 10kV composite insulation cross arm device thereof | |
| CN203260976U (en) | Cable termination tower | |
| CN214402981U (en) | Transmission line single loop wine glass tower | |
| CN115313278A (en) | Straight line tower | |
| CN211647529U (en) | Double-loop tower | |
| CN203808590U (en) | Tangent tower for 60-millimeter heavily iced area of +/-800-kilovolt ultrahigh-voltage direct current line | |
| CN208618905U (en) | A kind of insulation electric pole of 10kV high-tension line | |
| CN201251961Y (en) | Composite insulator | |
| CN203165582U (en) | Super /extra high tension AC composite insulator umbrella shape structure | |
| CN217822123U (en) | Insulating drainage wire suitable for single drainage string insulator | |
| CN216720867U (en) | Bypass cable insulation fixing frame | |
| CN220395332U (en) | Steel pipe pole for pi connection of power transmission line | |
| CN209492414U (en) | Contact net additive wire suspension arrangement and catenary mast device | |
| CN217824162U (en) | Insulated drainage wire prepared from insulated cable and suitable for double drainage strings | |
| CN212062038U (en) | Outdoor rod-shaped post insulator | |
| CN217182921U (en) | Join in marriage net linear type T and connect insulating cross arm | |
| CN211319845U (en) | Straight-path chain type insulating suspension device | |
| CN209358149U (en) | The V string structure of more hanging points | |
| CN214402980U (en) | Extra-high voltage direct current circuit corner tower | |
| CN208690904U (en) | The split type and compound cross-arm in entire body formula T-type section of distribution network overhead line | |
| CN211530688U (en) | Suspension type circuit structure based on high-voltage transmission tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |