CN202424088U - Socket spanner special for charged installation of arrester in ground potential - Google Patents
Socket spanner special for charged installation of arrester in ground potential Download PDFInfo
- Publication number
- CN202424088U CN202424088U CN201220001547XU CN201220001547U CN202424088U CN 202424088 U CN202424088 U CN 202424088U CN 201220001547X U CN201220001547X U CN 201220001547XU CN 201220001547 U CN201220001547 U CN 201220001547U CN 202424088 U CN202424088 U CN 202424088U
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- sleeve
- key groove
- shaped key
- plum flower
- socket spanner
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Abstract
The utility model discloses a socket spanner special for charged installation of an arrester in ground potential. The socket spanner comprises a sleeve, wherein a joint connected with an insulating operation rod is arranged on one end of the sleeve; a plum flower-shaped key groove fitting a nut is arranged on the inner side of the other end of the sleeve; the plum flower-shaped key groove is divided into two sections side by side; the aperture of the plum flower-shaped key groove located in the outer side is bigger than that of the plum flower-shaped key groove located in the inner side; the plum flower-shaped key groove located in the outer side and the plum flower-shaped key groove located in the inner side respectively correspond to a locking nut and a screw end head; in the sleeve, a pressure spring is arranged between the plum flower-shaped key groove located in the inner side and the other end of the sleeve in the sleeve; two opposite sliding grooves are arranged on the sleeve; a sliding pin is arranged in each sliding groove; two opposite sliding pin clamping grooves are arranged in the middle of the sliding grooves; the socket spanner has rational structure, and the operator can achieve fastening and locking working on the condition that the operator does not directly contact the charged body during the implementation for charged installation of the arrester in ground potential by using the socket spanner, so that safety of the operator and the device can be drastically improved, operation time is drastically shortened and manpower and material resources are saved.
Description
Technical field:
The utility model relates to a kind of electric power facility apparatus for mounting, particularly relates to a kind of at earth potential live installation lightning arrester special sleeve spanner.
Background technology:
Chengde electrical network is located in many Leishans district, because the power grid accident that thunder and lightning causes is increasing, the power grid accident that the minimizing damage to crops caused by thunder of adopting an effective measure causes is particularly important.It is one of effective technology means of current power transmission circuit reduction tripping rate with lightning strike that leakage conductor is installed.Charged installation lightning arrester has improved power supply reliability, has avoided interruption maintenance and causes and send electric weight less.Also strengthen simultaneously maintenance scheduling property, after the employing hotline maintenance method, can keep the operational mode of system constant, guaranteed the safe operation of electrical network, reduced equipment and personal injury.Compare the equipment and the personal injury that greatly reduce fault rod climbing tower, mistakenly entering charged chamber, misoperation and cause because of formalities such as power failure repeatedly, electrical verification, hanging earthing conductors with the power failure operation.Live line working is meant the operation that high voltage electric equipment and facility are not had a power failure.The live line working method is divided into three kinds: (1) equal potential working: refer to that operating personnel and electrified body are in the operation of same current potential, equipotential electrician gets into current potential generally will use instruments such as flat ladder or rope ladder; (2) earth potential working: the operating personnel is in earth potential (standing on the shaft tower) state when referring to live line working, utilizes the operation of insulating tool indirect contact high-voltage charged body; (3) medial potential working: the operating personnel is in the operation on the current potential between electrified body current potential and the earth potential when referring to live line working.At present; China is in charged installation lightning arrester operation process, and the method for work of use all is the equal potential working method, and the equal potential working method needs the equal potential working electrician to climb rope ladder or flat ladder gets into current potential; Multiple insulation power tool need be set; And it is very loaded down with trivial details that these power tools are set, and task difficulty is big, and labour intensity is big.Through the activity duration of charged installation lightning arrester is added up, adopt the equal potential working method that the activity duration average out to 28 minutes of a lightning arrester is installed, and equal potential working require very high to electrician's physical efficiency, technical ability.Simultaneously the equal potential working method can only be confined in the part shaft tower that safe distance such as combinational gap meets the demands, and some little spacing shaft towers are owing to receive the restriction of air gap can not carry out charged installation lightning arrester to work.In order to address this problem, the operating personnel has designed a kind of wire clamp, and this wire clamp is provided with lifting hole(eyelet), utilizes insulating bar can wire clamp be suspended on the lead through lifting hole(eyelet); And then carry out fasteningly through screw end head, in order to guarantee fastening effect, a locking nut is set on the screw rod; Screw rod is fastening put in place after, lock through locking nut again, like this; Need use the fastened tools of two kinds of specifications instead, make operation loaded down with trivial details, prolong the activity duration.
The utility model content:
The utility model provides a kind of and at earth potential live the lightning arrester special sleeve spanner is installed to the deficiency of prior art, and this new structure is reasonable; Easy to use, time saving and energy saving, the utility model technical problem to be solved is to use same instrument; Can realize fastening and the locking operation, the technical scheme that the utility model is taked is following: the utility model comprises sleeve pipe, and an end of its middle sleeve is provided with the joint that is connected with insulating bar; Other end inboard is provided with the plum blossom shape keyway that cooperates with nut; It is characterized in that plum blossom shape keyway is provided with two sections side by side, wherein the aperture of the plum blossom shape keyway in the outside is bigger than inboard plum blossom shape keyway aperture, respectively corresponding locking nut and screw end head; In sleeve pipe, between the plum blossom shape keyway of inboard and the sleeve pipe other end, be provided with stage clip; And on sleeve pipe, be provided with two relative chutes, and being provided with sliding pin in the chute, the middle part of chute is provided with two relative sliding pin draw-in grooves.
The method for using of the utility model is following:
Operating personnel's earth potential place uses the insulating bar of band hook that wire clamp is provoked and is suspended on the lead that lightning arrester is installed, and box spanner is fixed on the insulating bar again, and make sliding pin not compress spring this moment; Because the screw end head diameter is less than the aperture of the plum blossom shape keyway of outside of sleeve; So can be directly cooperate with the inboard plum blossom shape keyway of sleeve pipe, tighten screw rod after, compress spring through sliding pin; And the rotation sliding pin snaps in the sliding pin draw-in groove it; Form one section dead band this moment between inboard plum blossom shape keyway of sleeve pipe and sliding pin, just can continue to advance socket wrench, makes screw end head entering dead band; The plum blossom shape keyway of outside of sleeve is cooperated with locking nut, realize the locking operation.
Compared with prior art; The utlity model has rational in infrastructure; In the operation of implementing earth potential installation lightning arrester, make the operating personnel directly not realize fastening and the locking operation under the situation of contact electrification body, the fail safe of personnel, equipment improves greatly; Activity duration shortens greatly, has saved manpower and materials.
Description of drawings:
Accompanying drawing 1 is the utility model front view,
Accompanying drawing 2 is the utility model vertical views,
Accompanying drawing 3 is the A-A views in the accompanying drawing 1,
Accompanying drawing 4 is the B-B views in the accompanying drawing 1.
Embodiment:
The utility model comprises sleeve pipe 3, and an end of its middle sleeve is provided with the joint 6 that is connected with insulating bar, between this joint and the insulating bar for being rigidly connected; Also can connect through a universal joint, to adapt to different operation angles, the other end inboard of sleeve pipe is provided with the plum blossom shape keyway that cooperates with nut; Plum blossom shape keyway is provided with two sections side by side; Wherein the aperture of the plum blossom shape keyway 2 in the outside is bigger than inboard plum blossom shape keyway 1 aperture, and corresponding locking nut and screw end head respectively are in sleeve pipe, be provided with stage clip 5 between the plum blossom shape keyway of inboard and the sleeve pipe other end; And on sleeve pipe, be provided with two relative chutes 7; Just at a distance of 180 °, be provided with sliding pin 4 in the chute, the middle part of chute is provided with two relative sliding pin draw-in grooves 8; Also be at a distance of 180 °, formed dead band distance should guarantee that locking nut is tightened behind the sliding pin compression spring.
Claims (1)
1. at earth potential live the lightning arrester special sleeve spanner is installed for one kind, is comprised sleeve pipe, an end of its middle sleeve is provided with the joint that is connected with insulating bar; Other end inboard is provided with the plum blossom shape keyway that cooperates with nut; It is characterized in that plum blossom shape keyway is provided with two sections side by side, wherein the aperture of the plum blossom shape keyway in the outside is bigger than inboard plum blossom shape keyway aperture, respectively corresponding locking nut and screw end head; In sleeve pipe, between the plum blossom shape keyway of inboard and the sleeve pipe other end, be provided with stage clip; And on sleeve pipe, be provided with two relative chutes, and being provided with sliding pin in the chute, the middle part of chute is provided with two relative sliding pin draw-in grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220001547XU CN202424088U (en) | 2012-01-01 | 2012-01-01 | Socket spanner special for charged installation of arrester in ground potential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220001547XU CN202424088U (en) | 2012-01-01 | 2012-01-01 | Socket spanner special for charged installation of arrester in ground potential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424088U true CN202424088U (en) | 2012-09-05 |
Family
ID=46748814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220001547XU Expired - Fee Related CN202424088U (en) | 2012-01-01 | 2012-01-01 | Socket spanner special for charged installation of arrester in ground potential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269037A (en) * | 2013-05-28 | 2013-08-28 | 国家电网公司 | Line arrestor replacing device |
| CN104767166A (en) * | 2015-04-15 | 2015-07-08 | 国家电网公司 | Ground potential installation tool for line arrester |
-
2012
- 2012-01-01 CN CN201220001547XU patent/CN202424088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269037A (en) * | 2013-05-28 | 2013-08-28 | 国家电网公司 | Line arrestor replacing device |
| CN104767166A (en) * | 2015-04-15 | 2015-07-08 | 国家电网公司 | Ground potential installation tool for line arrester |
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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: CHENGDE POWER SUPPLY COMPANY JIBEI POWER CO., LTD. Effective date: 20130819 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: CHENGDE POWER SUPPLY COMPANY JIBEI POWER CO., LTD. Effective date: 20130819 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDE POWER SUPPLY COMPANY JIBEI POWER CO., LTD. Free format text: FORMER NAME: CHENGDE POWER SUPPLY CO., LTD. OF NORTH CHINA GRID CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 067000 CHENGDE, HEBEI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP03 | Change of name, title or address |
Address after: 067000 No. 10 Xinhua North Road, Shuangqiao District, Hebei, Chengde, Chengde Patentee after: Chengde Power Supply Company of Jibei Electric Power Co.,Ltd. Address before: 067000 Xinhua Road, 10, Hebei, Chengde Patentee before: Chengde Power Supply Company of North China Grid Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130819 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Chengde Power Supply Company of Jibei Electric Power Co.,Ltd. Address before: 067000 No. 10 Xinhua North Road, Shuangqiao District, Hebei, Chengde, Chengde Patentee before: Chengde Power Supply Company of Jibei Electric Power Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20200101 |