CN201797245U - Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch - Google Patents
Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch Download PDFInfo
- Publication number
- CN201797245U CN201797245U CN2010205119739U CN201020511973U CN201797245U CN 201797245 U CN201797245 U CN 201797245U CN 2010205119739 U CN2010205119739 U CN 2010205119739U CN 201020511973 U CN201020511973 U CN 201020511973U CN 201797245 U CN201797245 U CN 201797245U
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- China
- Prior art keywords
- isolating switch
- alternating current
- fingertip
- voltage alternating
- current isolating
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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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- 238000007373 indentation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a replacing tool for a finger touch pull spring of a high-voltage alternating current isolating switch. The replacing tool comprises a base and a force applying loop bar, wherein the base comprises a bottom plate and a gantry bracket which is fixedly arranged on the bottom plate; and the force applying loop bar comprises a finger touch sleeve and a force applying rod which is fixedly arranged on the finger touch sleeve. In the replacing tool for the finger touch pull spring of the high-voltage alternating current isolating switch, a touch finger of the isolating switch can be fixed by the base and the force applying loop bar can apply thrust force to the touch finger by a lever principle, so that one worker can stretch the finger touch pull spring of the high-voltage alternating current isolating switch and finish replacing the finger touch pull spring. Therefore, labor force can be saved and working efficiency is improved; moreover, a supporting plate of the base is in surface contact with the touch finger all the time, so that indentations are prevented from being formed on the touch finger and damaging the touch finger.
Description
Technical field
The utility model relates to a kind of high-voltage alternating current isolating switch maintenance tool, and instrument is changed in particularly a kind of high-voltage alternating current isolating switch fingertip extension spring.
Background technology
High-voltage alternating current isolating switch is an important device for switching in power plant and the transformer station's electrical system, and its major function is: guarantee High-Voltage Electrical Appliances and the safety of device when service work, play isolation voltage.
The high-voltage alternating current isolating switch primary structure comprises the fingertip, stationary contact headstock of two bendings and fingertip is fixed to extension spring on the stationary contact headstock.Wherein extension spring is the force application part in the switch, the easy fatigue damage of under long-term stress, working, thereby be easily worn part in the high-voltage alternating current isolating switch, often need to change.
Existing high-voltage alternating current isolating switch extension spring is changed in the operation, in having changed the high-voltage alternating current isolating switch component-assembled process of extension spring, the movable contact that needs to be fixed on the extension spring two ends refers to open, and the stationary contact headstock is put between two movable contacts refer to, this process need overcomes the pulling force of extension spring; Because tension spring tension is very big, the people of work who struts extension spring in the prior art can't finish, thereby usually needs many people to cooperate jointly just to finish the assembly working of high-voltage alternating current isolating switch, and time-consuming longer.
Therefore need a kind of high-voltage alternating current isolating switch fingertip extension spring to change instrument, can satisfy a staff and can finish and wholely more change jobs,, heighten operating efficiency with saving manpower and maintenance time.
The utility model content
In view of this, the purpose of this utility model provides a kind of high-voltage alternating current isolating switch fingertip extension spring and changes instrument, can satisfy the personnel that do under and can finish the extension spring of high-voltage alternating current isolating switch fingertip fast and more change jobs.
Instrument is changed in the extension spring of the utility model high-voltage alternating current isolating switch fingertip, comprises base and is used for fixing fingertip and to the afterburning loop bar of its applied thrust, and described base comprises base plate and is fixedly installed on gantry shape support on the base plate.
Further, described afterburning loop bar comprises the fingertip cover and is fixedly installed on the boosting-rod that fingertip puts;
Further, the crossbeam of described gantry shape support is cylindrical, and described cylindrical beam is can be with the supporting bracket with parallel axes outside the mode of its rotational;
Further, described crossbeam and supporting bracket are that two groups of edges vertically are set up in parallel;
Further, described fingertip cover is the waist shape barrel structure of waist shape for cross section;
Further, described fingertip cover is the U-shaped piece of U-shaped for the longitudinal section.
The beneficial effects of the utility model: instrument is changed in the extension spring of the utility model high-voltage alternating current isolating switch fingertip, base is the fingertip of isolating switch fixedly, afterburning loop bar can utilize lever principle to the fingertip applied thrust, a staff can open high-voltage alternating current isolating switch fingertip extension spring stretch-draw, finish more changing jobs to the fingertip extension spring, can save the staff, and the height of increasing work efficiency, and contacting between the supporting bracket of base and fingertip is always the face contact, can not cause impression, damage fingertip fingertip.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model understructure schematic diagram;
Fig. 2 is the afterburning loop bar structural representation of the utility model band waist shape tube-in-tube structure fingertip cover;
Fig. 3 is the afterburning loop bar structural representation of the utility model band U-shaped piece fingertip cover;
Fig. 4 is that the tool operation schematic diagram is changed in the extension spring of high-voltage alternating current isolating switch fingertip.
Embodiment
Fig. 1 is the utility model understructure schematic diagram; Fig. 2 is the afterburning loop bar structural representation of the utility model band waist shape tube-in-tube structure fingertip cover; Fig. 3 is the afterburning loop bar structural representation of the utility model band U-shaped piece fingertip cover; Fig. 4 is that the tool operation schematic diagram is changed in the extension spring of high-voltage alternating current isolating switch fingertip.
Instrument is changed in the extension spring of the utility model high-voltage alternating current isolating switch fingertip as shown in the figure, comprise base and be used for fixing fingertip and the afterburning loop bar of its applied thrust, described base comprises base plate 1 and gantry shape support 2 that is fixedly installed on the base plate 1, and described afterburning loop bar comprises that cross section is the waist shape barrel structure fingertip cover 3 and the boosting-rod 4 that is fixedly installed on the fingertip cover 3 of waist shape; Certainly in different execution modes, fingertip cover 3 also can be made the U-shaped piece that the longitudinal section is a U-shaped.
The difficult point that operation is changed in the extension spring of high-voltage alternating current isolating switch fingertip is how extension spring 7 is drawn back, and the stationary contact headstock 6 of isolating switch is placed between two fingertips 5; When this high-voltage alternating current isolating switch fingertip extension spring replacing instrument uses, gantry shape support 2 of base can block one of them fingertip, the fingertip cover 3 of afterburning loop bar entangles another fingertip, can utilize lever principle to being entangled the fingertip applied thrust, a staff can open extension spring 7 easily, stationary contact headstock 6 is put between two fingertips 5, finished more changing jobs of extension spring 7; Simple and quick, operating personnel are few, high efficiency.
In the present embodiment: the crossbeam 2a of described gantry shape support 2 is cylindrical, and described cylindrical beam 2a is can be with the supporting bracket 2b that parallels to the axis outside the mode of its rotational; When reinforcing cover pole pair fingertip applied thrust, supporting bracket 2b can rotate along with fingertip, guarantees between fingertip and supporting bracket can to avoid fingertip was caused impression deeply the damage fingertip for face contact.
In the present embodiment: the crossbeam 2a and the supporting bracket 2b of described gantry shape support 2 are two groups, and the distance between two crossbeam 2a can satisfy two crossbeam 2a can just be put between two fingertips 5, and more favourable and fixing fingertip 5 prevents that fingertip 5 from sliding in loading process.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. instrument is changed in a high-voltage alternating current isolating switch fingertip extension spring, it is characterized in that: comprise base and be used for fixing fingertip and to the afterburning loop bar of its applied thrust that described base comprises base plate (1) and is fixedly installed on gantry shape support (2) on the base plate (1).
2. instrument is changed in high-voltage alternating current isolating switch fingertip extension spring according to claim 1, it is characterized in that: described afterburning loop bar comprises fingertip cover (3) and is fixedly installed on boosting-rod (4) on the fingertip cover (3).
3. instrument is changed in high-voltage alternating current isolating switch fingertip extension spring according to claim 2, it is characterized in that: the crossbeam (2a) of described gantry shape support (2) is for cylindrical, and described cylindrical beam (2a) is can be with the supporting bracket (2b) with parallel axes outside the mode of its rotational.
4. instrument is changed in high-voltage alternating current isolating switch fingertip extension spring according to claim 3, it is characterized in that: described crossbeam (2a) and supporting bracket (2b) are that two groups of edges vertically are set up in parallel.
5. instrument is changed in high-voltage alternating current isolating switch fingertip extension spring according to claim 4, and it is characterized in that: described fingertip cover (3) is the waist shape barrel structure of waist shape for cross section.
6. instrument is changed in high-voltage alternating current isolating switch fingertip extension spring according to claim 4, and it is characterized in that: described fingertip cover (3) is the U-shaped piece of U-shaped for the longitudinal section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205119739U CN201797245U (en) | 2010-08-31 | 2010-08-31 | Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205119739U CN201797245U (en) | 2010-08-31 | 2010-08-31 | Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201797245U true CN201797245U (en) | 2011-04-13 |
Family
ID=43852144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205119739U Expired - Lifetime CN201797245U (en) | 2010-08-31 | 2010-08-31 | Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201797245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779672A (en) * | 2012-07-30 | 2012-11-14 | 湖南省电力公司超高压管理局 | Tool special for assembling and disassembling contact finger of disconnecting switch |
| CN105810490A (en) * | 2016-04-18 | 2016-07-27 | 贵州电网有限责任公司安顺供电局 | Isolation switch capable of on-live contact replacement and special tool for contact replacement |
| CN107634469A (en) * | 2015-01-23 | 2018-01-26 | 中国电力科学研究院 | Lower-cost switch touching thrum spring changes specific purpose tool |
| CN109378752A (en) * | 2018-10-26 | 2019-02-22 | 国网河南省电力公司新乡供电公司 | GW5 Series Switch-disconnector fingertip installation special tool |
-
2010
- 2010-08-31 CN CN2010205119739U patent/CN201797245U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779672A (en) * | 2012-07-30 | 2012-11-14 | 湖南省电力公司超高压管理局 | Tool special for assembling and disassembling contact finger of disconnecting switch |
| CN102779672B (en) * | 2012-07-30 | 2015-05-13 | 湖南省电力公司超高压管理局 | Tool special for assembling and disassembling contact finger of disconnecting switch |
| CN107634469A (en) * | 2015-01-23 | 2018-01-26 | 中国电力科学研究院 | Lower-cost switch touching thrum spring changes specific purpose tool |
| CN107634469B (en) * | 2015-01-23 | 2019-03-15 | 中国电力科学研究院 | Lower-cost switch touching thrum spring replaces specific purpose tool |
| CN105810490A (en) * | 2016-04-18 | 2016-07-27 | 贵州电网有限责任公司安顺供电局 | Isolation switch capable of on-live contact replacement and special tool for contact replacement |
| CN105810490B (en) * | 2016-04-18 | 2019-01-15 | 贵州电网有限责任公司安顺供电局 | Can charged for replacement contact disconnecting switch and specific purpose tool for replacing contact |
| CN109378752A (en) * | 2018-10-26 | 2019-02-22 | 国网河南省电力公司新乡供电公司 | GW5 Series Switch-disconnector fingertip installation special tool |
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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 GRID CORPORATION OF CHINA Effective date: 20121206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121206 Address after: Shuanglong road 401420 Chongqing city Qijiang County Gunan town No. 51 Patentee after: Qinan Power Supply Bureau of Chongqing Power Co. Patentee after: State Grid Corporation of China Address before: Shuanglong road 401420 Chongqing city Qijiang County Gunan town No. 51 Patentee before: Qinan Power Supply Bureau of Chongqing Power Co. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |