CN202978118U - Quadruple strain composite insulator string replace tool of extra-high voltage circuit - Google Patents
Quadruple strain composite insulator string replace tool of extra-high voltage circuit Download PDFInfo
- Publication number
- CN202978118U CN202978118U CN 201220711359 CN201220711359U CN202978118U CN 202978118 U CN202978118 U CN 202978118U CN 201220711359 CN201220711359 CN 201220711359 CN 201220711359 U CN201220711359 U CN 201220711359U CN 202978118 U CN202978118 U CN 202978118U
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- China
- Prior art keywords
- insulator string
- high voltage
- card
- machete
- composite insulator
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- 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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- 239000012212 insulator Substances 0.000 title claims abstract description 66
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 241001063191 Elops affinis Species 0.000 claims description 29
- 235000002756 Erythrina berteroana Nutrition 0.000 claims description 29
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims description 29
- 238000012546 transfer Methods 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Abstract
The utility model discloses a quadruple strain composite insulator string replace tool of an extra-high voltage circuit. The quadruple strain composite insulator string replace tool comprises two broadsword clips, wherein the lower ends of the two broadsword clips are connected through a take-up mechanism; the take-up mechanism comprises a combined hydraulic screw rod and an insulating draw bar; and two ends of the insulating draw bar are respectively connected with the lower ends of the two broadsword clips through a set of combined hydraulic screw rod. The quadruple strain composite insulator string replace tool is matched with the two broadsword clips to use through two sets of take-up mechanisms; the load on the insulator string can be simply and conveniently transferred to the replace tool, so that the insulator string is in a loosen state, and conveniently overhauled and replaced; the quadruple strain composite insulator string replace tool is simple in structure, convenient and safe to use, and suitable for maintenance and repair of transmission equipment in upper air and the extra-high voltage circuit.
Description
Technical field
The utility model relates to UHV transmission line maintenance, live working tools field, particularly relates to a kind of extra high voltage line tetrad strain composite insulator string and changes instrument.
Background technology
Before the utility model proposes, along with the develop rapidly of power industry, ultrahigh voltage alternating current transmission lines begins to adopt the technology of tetrad Anti-tension composite insulator operation.But because the transmission line equipment of hanging on the line is more, so on circuit, there is larger load at the core through screw rod place of duplex plate and two ends place, and must first lay down this load in Maintenance and Repair equipment and live line working process, the high-altitude manpower operation during again due to Maintenance and Repair equipment and live line working, and transmission line band ultra high voltage electric current, therefore existing transmission facility and maintenance utensil all can not satisfy ultra-high voltage AC transmission hotline maintenance needs.Thereby developing corresponding Maintenance and Repair equipment and live line working special tool utensil becomes the importance that guarantees the ultrahigh voltage alternating current transmission lines safe and stable operation.
The utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, to provide a kind of extra high voltage line tetrad strain composite insulator string simple, safe, laborsaving and easy to use to change instrument.
In order to realize above purpose, a kind of extra high voltage line tetrad strain composite insulator string that the utility model provides is changed instrument, comprise two machete cards, the lower end of described two machete cards is connected by take-up mechanism, described take-up mechanism comprises assembled hydraulic screw mandrel and insulated tension pole, and described insulated tension pole two ends are connected with the lower end of described two machete cards by a described assembled hydraulic screw mandrel of cover respectively.Coordinate two machete cards to use together by two cover take-up mechanisms, can be simply and easily with the load transfer on insulator string to this replacing instrument, thereby make described insulator string be in relaxed state, so as the maintenance of described insulator string and replacing, safety simple in structure and easy to use.
This replacing instrument also comprises for the pulling force transfer device that shifts the suffered tension force of insulator string link place's bolt, described pulling force transfer device comprises wing clamp, tightens up screw mandrel and end card, described wing clamp is installed on described machete card, described end card is installed on the insulator string termination of described insulator string, and the described screw mandrel two ends of tightening up are connected with the end card with described wing clamp respectively.Because the load on insulator string is transferred, insulator string is in relaxed state, and insulator string is heavier, so the deadweight meeting of insulator string produces pulling force to the bolt at insulator string link place, thereby is unfavorable for removing stage makeup and costume of bolt; The pulling force transfer device that adds can be transferred to described pulling force on described pulling force transfer device, thereby has reduced the difficulty that described bolt is removed stage makeup and costume.
In such scheme, the middle part of described wing clamp is provided with the bayonet socket that matches with described machete card, and described end card is spliced by two end fixture blocks, and the Mosaic face at described end fixture block middle part is provided with the recess that matches with described insulator string termination external diameter; The middle part of described wing clamp is installed on described machete card, and the middle part of described two end fixture blocks is installed on described insulator string termination, and described wing clamp two ends are connected with described end card two ends by a described screw mandrel that tightens up respectively.
In such scheme, described wing clamp is provided with groove, and such design has been saved raw-material consumption, and reduced the weight of instrument under the prerequisite that guarantees its intensity.
In such scheme, described end card is provided with groove, and such design has been saved raw-material consumption, and reduced the weight of instrument under the prerequisite that guarantees its intensity.
The utility model on the one hand, coordinate two machete cards to use together by two cover take-up mechanisms, can be simply and easily with the load transfer on insulator string to this replacing instrument, thereby make described insulator string be in relaxed state, so that the maintenance of described insulator string and replacing, safety simple in structure and easy to use; On the other hand, by the pulling force transfer device that adds, the pulling force at insulator string link place is transferred on described pulling force transfer device, reduced the difficulty that described bolt is removed stage makeup and costume.
The utility model is compared with the prior art, and shows that fully its superiority is: simple, safe, laborsaving and easy to use etc.
Description of drawings
Fig. 1 is the assembly structure schematic diagram after the utility model removes the pulling force transfer device;
Fig. 2 is assembly structure schematic diagram of the present utility model;
Fig. 3 is the stravismus structural representation of Fig. 2;
Fig. 4 is the structural representation of wing clamp in the utility model;
Fig. 5 is the side-looking structural representation of Fig. 4;
Fig. 6 is the structural representation of the utility model middle-end card;
Fig. 7 is the side-looking structural representation of Fig. 6.
In figure: machete card 1, take-up mechanism 2, assembled hydraulic screw mandrel 2a, insulated tension pole 2b, pulling force transfer device 3, wing clamp 3a, bayonet socket 3a1 tightens up screw mandrel 3b, end card 3c, end fixture block 3c1, recess 3c2, insulator string 4, shading ring 4a, insulator string termination 4b, bolt 5, groove 6, duplex plate 7, core through screw rod 7a.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
The present embodiment provides a kind of extra high voltage line tetrad strain composite insulator string to change instrument, comprise two machete cards 1, the lower end of described two machete cards 1 is connected by take-up mechanism 2, described take-up mechanism 2 comprises assembled hydraulic screw mandrel 2a and insulated tension pole 2b, and described insulated tension pole 2b overlaps described assembled hydraulic screw mandrel 2a by one respectively in two ends and is connected with the lower end of described two machete cards 1.Coordinate two machete cards 1 to use together by two cover take-up mechanisms 2, can be simply and easily with the load transfer on insulator string 4 to this replacing instrument, thereby make described insulator string 4 be in relaxed state, so as the maintenance of described insulator string 4 and replacing, safety simple in structure and easy to use.
This replacing instrument also comprises for the pulling force transfer device 3 that shifts insulator string 4 link place bolt 5 suffered tension force, described pulling force transfer device 3 comprises wing clamp 3a, tightens up screw mandrel 3b and end card 3c, described wing clamp 3a is installed on described machete card 1, described end card 3c is installed on the insulator string termination 4b of described insulator string 4, and the described screw mandrel 3b two ends of tightening up are connected with end card 3c with described wing clamp 3a respectively.Because the load on insulator string 4 is transferred, insulator string 4 is in relaxed state, and insulator string 4 is heavier, so the deadweight meeting of insulator string 4 produces pulling force to the bolt 5 at insulator string 4 link places, thereby is unfavorable for removing stage makeup and costume of bolt 5; The pulling force transfer device 3 that adds can be transferred to described pulling force on described pulling force transfer device 3, thereby has reduced the difficulty that described bolt 5 is removed stage makeup and costume.
The middle part of above-mentioned wing clamp 3a is provided with the bayonet socket 3a1 that matches with described machete card 1, and described end card 3c is spliced by two end fixture block 3c1, and the Mosaic face at described end fixture block 3c1 middle part is provided with the recess 3c2 that matches with described insulator string termination 4b external diameter; The middle part of described wing clamp 3a is installed on described machete card 1, and the middle part of described two end fixture block 3c1 is installed on described insulator string termination 4b, and described wing clamp 3a two ends are connected with described end card 3c two ends by a described screw mandrel 3b that tightens up respectively.Described wing clamp 3a is provided with groove 6, and such design has been saved raw-material consumption, and reduced the weight of instrument under the prerequisite that guarantees its intensity.Described end card 3c is provided with groove 6, and such design has been saved raw-material consumption, and reduced the weight of instrument under the prerequisite that guarantees its intensity.
The course of work of the present utility model is as follows:
At first, the operating personnel have a power failure or charged state under safety enter setting, the operating personnel is installed on the upper end of two machete cards 1 respectively the core through screw rod 7a place of the duplex plate 7 at insulator string 4 two ends, described machete card 1 is fulcrum with the contact point of described duplex plate 7, take described core through screw rod 7a as anti-bundle stress point; Then, upload take-up mechanism 2, with described take-up mechanism 2, described two machete card 1 lower ends are connected, and operate described assembled hydraulic screw mandrel 2a, and it is stressed that described assembled hydraulic screw mandrel 2a drives described machete card 1, and machete card 1 is divided into actuation arm and motion arm with described the both sides of naming a person for a particular job, actuation arm is take described core through screw rod 7a as application point, anti-bundle wire tension, with the load transfer on insulator string 4 to this replacing instrument, thereby make insulator string 4 lax; Then, unload shading ring 4a, wing clamp 3a and end card 3c are clamped respectively and are installed on described machete card 1 and insulator string termination 4b, and two two ends of tightening up screw mandrel 3b are connected on described wing clamp 3a and end card 3c two ends; Follow again, operate the described screw mandrel 3b that tightens up, tighten up the link of insulator string 4, take off bolt 5; At last, remove pulling force transfer device 3, old insulator string 4 is put it to be deviate from fully after vertical, and the insulator string 4 that anti-work flow more renews gets final product again.
The utility model coordinates two machete cards 1 to use together by two cover take-up mechanisms 2, can be simply and easily with the load transfer on insulator string 4 to this replacing instrument, thereby make described insulator string 4 be in relaxed state, so that the maintenance of described insulator string 4 and replacing, safety simple in structure and easy to use; By the pulling force transfer device 3 that adds, the pulling force at insulator string 4 link places is transferred on described pulling force transfer device 3, reduced the difficulty that described bolt 5 is removed stage makeup and costume.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. an extra high voltage line tetrad strain composite insulator string is changed instrument, comprise two machete cards (1), it is characterized in that: the lower end of described two machete cards (1) is connected by take-up mechanism (2), described take-up mechanism (2) comprises assembled hydraulic screw mandrel (2a) and insulated tension pole (2b), and described insulated tension pole (2b) two ends are connected with the lower end of described two machete cards (1) by a described assembled hydraulic screw mandrel of cover (2a) respectively.
2. extra high voltage line tetrad strain composite insulator string as claimed in claim 1 is changed instrument, it is characterized in that: also comprise for the pulling force transfer device (3) that shifts the suffered tension force of insulator string (4) link place bolt (5), described pulling force transfer device (3) comprises wing clamp (3a), tighten up screw mandrel (3b) and end card (3c), described wing clamp (3a) is installed on described machete card (1), described end card (3c) is installed on the insulator string termination (4b) of described insulator string (4), described screw mandrel (3b) two ends of tightening up are connected with described wing clamp (3a) and end card (3c) respectively.
3. extra high voltage line tetrad strain composite insulator string as claimed in claim 2 is changed instrument, it is characterized in that: the middle part of described wing clamp (3a) is provided with the bayonet socket (3a1) that matches with described machete card (1), described end card (3c) is spliced by two end fixture blocks (3c1), and the Mosaic face in the middle part of described end fixture block (3c1) is provided with the recess (3c2) that matches with described insulator string termination (4b) external diameter; The middle part of described wing clamp (3a) is installed on described machete card (1), the middle part of described two end fixture blocks (3c1) is installed on described insulator string termination (4b), and described wing clamp (3a) two ends are connected with described end card (3c) two ends by a described screw mandrel (3b) that tightens up respectively.
4. extra high voltage line tetrad strain composite insulator string is changed instrument as claimed in claim 2 or claim 3, and it is characterized in that: described wing clamp (3a) is provided with groove (6).
5. extra high voltage line tetrad strain composite insulator string is changed instrument as claimed in claim 2 or claim 3, and it is characterized in that: described end card (3c) is provided with groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711359 CN202978118U (en) | 2012-12-20 | 2012-12-20 | Quadruple strain composite insulator string replace tool of extra-high voltage circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711359 CN202978118U (en) | 2012-12-20 | 2012-12-20 | Quadruple strain composite insulator string replace tool of extra-high voltage circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978118U true CN202978118U (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711359 Expired - Lifetime CN202978118U (en) | 2012-12-20 | 2012-12-20 | Quadruple strain composite insulator string replace tool of extra-high voltage circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983529A (en) * | 2012-12-20 | 2013-03-20 | 湖北省电力公司检修分公司 | Replacing tool for quadruple composite tension insulator chains of ultra-high voltage lines |
-
2012
- 2012-12-20 CN CN 201220711359 patent/CN202978118U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983529A (en) * | 2012-12-20 | 2013-03-20 | 湖北省电力公司检修分公司 | Replacing tool for quadruple composite tension insulator chains of ultra-high voltage lines |
| CN102983529B (en) * | 2012-12-20 | 2015-04-08 | 国家电网公司 | Replacing tool for quadruple composite tension insulator chains of ultra-high voltage lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: MAINTENANCE BRANCH OF HUBEI ELECTRIC POWER COMPANY Effective date: 20130731 Owner name: MAINTENANCE BRANCH OF HUBEI ELECTRIC POWER COMPANY Free format text: FORMER OWNER: STATE ELECTRIC NET CROP. Effective date: 20130731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430050 WUHAN, HUBEI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130731 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Maintenance Branch of Hubei Electric Power Company Address before: Hubei city in Wuhan province 430050 maintenance wulidun Hanyang district electric power company of Hubei Province Branch Patentee before: Maintenance Branch of Hubei Electric Power Company Patentee before: State Grid Corporation of China |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |