CN202677990U - Connecting device for composite insulator of overhead power transmission line - Google Patents
Connecting device for composite insulator of overhead power transmission line Download PDFInfo
- Publication number
- CN202677990U CN202677990U CN 201220122665 CN201220122665U CN202677990U CN 202677990 U CN202677990 U CN 202677990U CN 201220122665 CN201220122665 CN 201220122665 CN 201220122665 U CN201220122665 U CN 201220122665U CN 202677990 U CN202677990 U CN 202677990U
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- China
- Prior art keywords
- cone ring
- branch sleeve
- wedge
- sleeve
- wedged
- 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
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 title claims abstract description 9
- 239000012212 insulator Substances 0.000 title abstract description 9
- 239000003989 dielectric material Substances 0.000 claims description 13
- 241000272165 Charadriidae Species 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a connecting device for a composite insulator of an overhead power transmission line, and solves the problem that a traditional composite insulator core rod easily generates brittle failure accidents. The connecting device comprises an outer wedged barrel (2) with a conical inner hole and a connecting sleeve (6); a top cone ring fixing platform (5) is fixedly arranged at the center of the inner barrel wall of the connecting sleeve (6); a top cone ring (4) is arranged on the top cone ring fixing platform (5); a conical inner wedged tube (3) is arranged on the top cone ring (4) and is movably matched with the conical inner hole of the outer wedged barrel (2) in a wedged way; a composite insulator core rod (1) sequentially penetrates through a top inlet of the outer wedged barrel (2), the conical inner wedged tube (3), a central hole of the top cone ring (4), a lower inner hole of the connecting sleeve (6) and a bottom outlet of the connecting sleeve (6) from top to bottom; external threads are formed on the outer side wall of the outer wedged barrel (2); and the outer wedged barrel (2) is screwed with the connecting sleeve (6) together. The connecting device disclosed by the utility model is simple in structure and is convenient in mounting.
Description
Technical field
The present invention relates to a kind of built on stilts electric power transmission line compound inslation sub-connecting device.
Background technology
The advantages such as that composite insulator has is lightweight, good antifouling effect and operation maintenance workload are few are in the construction of electrical network with in servicely obtain a large amount of uses.But along with the sharp increase of composite insulator usage quantity, its fault and rate of failure also increase increasingly, composite electric insulator core bar Fragile Split especially, though probability of happening is little, consequence is serious, even may cause the generation of electrical network serious accident.
Summary of the invention
The invention provides a kind of built on stilts electric power transmission line compound inslation sub-connecting device, solved existing composite electric insulator core bar is connected not firm and easy generation Fragile Split with sleeve technical problem.
A kind of built on stilts electric power transmission line compound inslation sub-connecting device, comprise composite electric insulator core bar, outer wedge cylinder and branch sleeve with cone-shaped inner hole, platform in the outlet at bottom place of branch sleeve is provided with the annular of stretching out to sleeve central axis, inner tube wall centre at branch sleeve is fixedly installed addendum cone ring fixed station, be provided with the addendum cone ring at addendum cone ring fixed station, be provided with wedge pipe in the taper at the addendum cone ring, the wedge pipe cooperates with the cone-shaped inner hole wedge shape activity of outer wedge cylinder in the taper, composite electric insulator core bar is the top entrance that passes successively from top to bottom outer wedge cylinder, wedge pipe in the taper, the medium pore of addendum cone ring, the bottom endoporus of branch sleeve and the outlet at bottom of branch sleeve, be provided with external screw thread on the lateral wall of wedge cylinder outside, endoporus top at branch sleeve is provided with internal thread, outer wedge cylinder is screwed onto with branch sleeve, be fixedly installed anti-breaking sleeve in the bottom of composite electric insulator core bar, be provided with overhanging annular edge at anti-breaking sleeve, overhanging annular is along the top of platform in the annular that is arranged on the outlet at bottom place setting in the branch sleeve.
The tapering of wedge pipe is 3 degree in the tapering of the cone-shaped inner hole of described outer wedge cylinder and the taper.
The present invention is simple in structure, and is easy to implement, and safety easy for installation can prevent effectively because of serious accident and dysgenic generations such as the wire that causes after the composite electric insulator core bar brittle failure land.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of wedge pipe 3 in the taper of the present invention;
Fig. 3 is the structural representation of addendum cone ring 4 of the present invention.
Embodiment
A kind of built on stilts electric power transmission line compound inslation sub-connecting device, comprise composite electric insulator core bar 1, outer wedge cylinder 2 and branch sleeve 6 with cone-shaped inner hole, platform 8 in the outlet at bottom place of branch sleeve 6 is provided with the annular of stretching out to sleeve central axis, inner tube wall centre at branch sleeve 6 is fixedly installed addendum cone ring fixed station 5, be provided with addendum cone ring 4 at addendum cone ring fixed station 5, be provided with wedge pipe 3 in the taper at addendum cone ring 4, wedge pipe 3 cooperates with the cone-shaped inner hole wedge shape activity of outer wedge cylinder 2 in the taper, composite electric insulator core bar 1 is the top entrance that passes successively from top to bottom outer wedge cylinder 2, wedge pipe 3 in the taper, the medium pore of addendum cone ring 4, the bottom endoporus of branch sleeve 6 and the outlet at bottom of branch sleeve 6, be provided with external screw thread on the lateral wall of wedge cylinder 2 outside, endoporus top at branch sleeve 6 is provided with internal thread, outer wedge cylinder 2 is screwed onto with branch sleeve 6, be fixedly installed anti-breaking sleeve 9 in the bottom of composite electric insulator core bar 1, be provided with overhanging annular along 7 at anti-breaking sleeve 9, overhanging annular is along 7 tops that are arranged on platform 8 in the annular that the outlet at bottom places in the branch sleeve 6 arrange.
The tapering of wedge pipe 3 is 3 degree in the tapering of the cone-shaped inner hole of described outer wedge cylinder 2 and the taper.
The invention solves the brittle failure of single string composite insulator and fall the accident potential of string, can guarantee not fall string after the composite insulator brittle failure, namely wire can not land, and stops the generation of accident fully, and caused serious consequence after reduction is fallen to go here and there is guaranteed the safe operation of circuit.This device also can be avoided the string accident owing to what end part of composite insulator gold utensil crimp quality caused simultaneously.
Be provided with the connection external screw thread on the lateral surface of the outer wedge cylinder 2 of the cone-shaped inner hole that the present invention has, be provided with wedge pipe 3 in the taper in the branch sleeve 6, wedge pipe 3 bottoms withstand on the end face of addendum cone ring 4 in the taper; The outer wedge cylinder of taper links to each other with branch sleeve, and branch sleeve 6 madial walls are provided with internal thread.In the taper wedge pipe 3 with outer wedge cylinder 2 tighten and stressed, addendum cone ring 4 under the effect of pressure with taper in wedge pipe 3 tops in outer wedge cylinder 2, make composite electric insulator core bar bear mechanical pressure, thereby firmly fix.
Claims (2)
1. built on stilts electric power transmission line compound inslation sub-connecting device, comprise composite electric insulator core bar (1), outer wedge cylinder (2) and branch sleeve (6) with cone-shaped inner hole, it is characterized in that, platform (8) in the outlet at bottom place of branch sleeve (6) is provided with the annular of stretching out to sleeve central axis, inner tube wall centre at branch sleeve (6) is fixedly installed addendum cone ring fixed station (5), be provided with addendum cone ring (4) at addendum cone ring fixed station (5), be provided with wedge pipe (3) in the taper at addendum cone ring (4), wedge pipe (3) cooperates with the cone-shaped inner hole wedge shape activity of outer wedge cylinder (2) in the taper, composite electric insulator core bar (1) is the top entrance that passes successively from top to bottom outer wedge cylinder (2), wedge pipe (3) in the taper, the medium pore of addendum cone ring (4), the outlet at bottom of the bottom endoporus of branch sleeve (6) and branch sleeve (6), be provided with external screw thread on the lateral wall of wedge cylinder (2) outside, endoporus top at branch sleeve (6) is provided with internal thread, outer wedge cylinder (2) is screwed onto with branch sleeve (6), be fixedly installed anti-breaking sleeve (9) in the bottom of composite electric insulator core bar (1), be provided with overhanging annular edge (7) at anti-breaking sleeve (9), the overhanging annular top that is arranged on the annular interior platform (8) of the outlet at bottom place setting in the branch sleeve (6) along (7).
2. a kind of built on stilts electric power transmission line compound inslation sub-connecting device according to claim 1 is characterized in that, the tapering of wedge pipe (3) is 3 degree in the tapering of the cone-shaped inner hole of described outer wedge cylinder (2) and the taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220122665 CN202677990U (en) | 2012-03-28 | 2012-03-28 | Connecting device for composite insulator of overhead power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220122665 CN202677990U (en) | 2012-03-28 | 2012-03-28 | Connecting device for composite insulator of overhead power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677990U true CN202677990U (en) | 2013-01-16 |
Family
ID=47498876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220122665 Expired - Lifetime CN202677990U (en) | 2012-03-28 | 2012-03-28 | Connecting device for composite insulator of overhead power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610338A (en) * | 2012-03-28 | 2012-07-25 | 山西省电力公司晋城供电分公司 | Connecting device for composite insulator of overhead power transmission line |
-
2012
- 2012-03-28 CN CN 201220122665 patent/CN202677990U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610338A (en) * | 2012-03-28 | 2012-07-25 | 山西省电力公司晋城供电分公司 | Connecting device for composite insulator of overhead power transmission line |
| CN102610338B (en) * | 2012-03-28 | 2013-06-19 | 山西省电力公司晋城供电分公司 | Connecting device for composite insulator of overhead power transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |