CN104064973A - Maintaining device for fixed contact of isolating switch - Google Patents
Maintaining device for fixed contact of isolating switch Download PDFInfo
- Publication number
- CN104064973A CN104064973A CN201410274119.8A CN201410274119A CN104064973A CN 104064973 A CN104064973 A CN 104064973A CN 201410274119 A CN201410274119 A CN 201410274119A CN 104064973 A CN104064973 A CN 104064973A
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- CN
- China
- Prior art keywords
- frame plate
- static contact
- isolation switch
- purge block
- contact isolation
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a maintaining device for a fixed contact of an isolating switch. The maintaining device aims to solve all the problems existing in the prior art and is convenient to use. The maintaining device comprises a frame board. The upper end of the frame board is provided with a hanging ring and a fixing portion used for fixing a rainproof cap of the isolating switch. A cuboid cleaning block is arranged below the front end of the frame board. The rear end of the cleaning block is connected with a reset spring and a guide rod, wherein the reset spring is used for resetting the cleaning block to an original place and the guide rod is used for driving the cleaning block to move. A guide board is arranged at the lower end of the frame board. A guide hole is formed in the lower end of the guide board. The guide rod is fixed through the guide hole in the horizontal direction. The rear end of the guide rod is connected with an insulation pull rope. The lower end of the frame board is connected with a supporting portion used for supporting the insulation pull rope and converting the insulation pull rope from a horizontal movement state to a vertical movement state. After the maintaining device is fixed to the fixed contact of the isolating switch due to the fact that the hanging ring is supported b an insulation rod, an operator can pull the insulation pull rope from the ground, so that the fixed contact of the isolating switch is cleaned and maintained, the device does not need to be stopped, the operator does not need to climb high for operation, and the safety and work efficiency are improved.
Description
Technical field
The present invention relates to power domain, be specifically related to a kind of static contact isolation switch attending device
Background technology
GW4, GW7 type isolating switch are widely used in 110kV and 220kV electric pressure transformer station, are most popular a kind of isolating switches.GW4, GW7 type isolating switch is in running, due to the thermal effect of electric current, it is overheated in the time that contact resistance is excessive, will to occur, static contact isolation switch rotating part bite, the defects such as divide-shut brake is not in place also happen occasionally, find after testing, plug-in strip dynamic/static contact and inner transmission auxiliary dust stratification are very serious, and there is corrosion in various degree in fingertip spring, fingertip spring corrosion meeting dies down its elastic deformation ability, add the frictional resistance that upper static contact transmission auxiliary dust stratification causes, when entering in fixed contact process, switch on of moving contact need larger rotating torque to overcome rotary resistance, existing processing fixed contact step is that equipment is had a power failure, adopt the mode of manual maintenance to process contact-making surface, its surface appearance is improved, reduce contact resistance, this processing method must be stopped equipment labour, power supply reliability reduces, and manual maintenance relates to ascend operation, loop wheel machine operation, the charged Other Risk Factors that waits of adjacent spaces.
Summary of the invention
The object of the invention is to solve existing existing problem, find a kind of static contact isolation switch attending device easy to use.
In order to realize described object, a kind of static contact isolation switch attending device of the present invention, comprise frame plate, described frame plate upper end be provided with suspension ring and for the fixing fixed part of isolating switch rainhat, described frame plate front end below is provided with cuboid purge block, described purge block rear end is connected with for purge block being returned to the back-moving spring of original position and the guide rod for driving purge block to move, described frame plate lower end is provided with guide plate, described guide plate lower end is provided with pilot hole, described guide rod is fixed in the horizontal direction by pilot hole, described guide rod rear end is connected with insulation stay cord, described frame plate lower end be connected with for supports insulative stay cord and by insulation stay cord by moving horizontally the support portion that is transformed into vertical movement.
Preferably, described fixed part is opening U-shaped stay hook forward, and described U-shaped stay hook top is provided with the dog screw of downward protrusion.Adopt U-shaped stay hook to come to fix with isolation switch contact rainhat, adopt self gravitation and the combination realization of U-shaped stay hook and being connected of rainhat, and coordinate with isolation switch contact rainhat lug boss upwards by dog screw, prevent that clean and maintenance timer and rainhat from departing from, such structure is not only convenient to device to be stably fixed on rainhat, and be convenient to device to take off, greatly improve the operating efficiency of device.
Preferably, described support portion comprises two stators that are parallel to each other that are connected with frame plate and is located at the fixed pulley that two two ends between stator are connected with stator respectively.Such structure, the stay cord of being convenient to insulate moves, and has reduced the resistance to insulation stay cord, more laborsaving when work.
Preferably, described support portion comprises two stators that are parallel to each other that are connected with frame plate and is connected to two metal connecting rods on stator.Such structure, without labyrinth, saves cost.
Preferably, described support portion is the support chip being fixed on frame plate, and described support chip lower end is provided with supported hole.
Preferably, the torque spring that described back-moving spring is oblique setting, described torque spring one end is connected with rear end, purge block middle part, and the other end is connected with frame plate.The torque spring of oblique setting, not only can provide clear portion to be returned to the active force of original position, and can there is active force upwards to cleaning part, cleaning part upper end and isolation switch contact rainhat are adjacent to, not only improve cleaning performance, and made device be connected more stable with isolation switch contact rainhat.
Preferably, described back-moving spring is horizontally disposed Compress Spring, and described Compress Spring one end is connected with purge block rear end, the other end be connected from its nearest guide plate.Such structure, install more convenient, due to spring horizontal setting, consistent with purge block moving direction, thus make reset effect better.
Preferably, described purge block comprises cuboid metal derby and the cuboid scouring pad that is located at metal derby front end.Cuboid metal derby coordinates with scouring pad, can ensure that purge block can move stably can reach again good cleaning performance.
Can obtain following useful technique effect by implementing the present invention: use insulating bar to support suspension ring this device is fixed to after static contact isolation switch, operating personnel can pull from ground insulation stay cord, realize the clean and maintenance of corresponding static contact isolation switch, stop labour without equipment, without the operation of ascending a height, fail safe and operating efficiency are improved again.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment, the present invention is further illustrated:
As shown in Figure 1, a kind of static contact isolation switch attending device, comprise frame plate 1, frame plate 1 upper end be provided with suspension ring 2 and for the fixing fixed part 3 of isolating switch rainhat, frame plate 1 front end below is provided with cuboid purge block 4, purge block 4 rear ends are connected with for purge block 4 being returned to the back-moving spring 5 of original position and the guide rod 6 for driving purge block 4 to move, frame plate 1 lower end is provided with guide plate 7, guide plate 7 lower ends are provided with pilot hole 8, guide rod 6 is fixing in the horizontal direction by pilot hole 8, guide rod 6 rear ends are connected with insulation stay cord 9, frame plate 1 lower end be connected with for supports insulative stay cord 9 and by insulation stay cord 9 by moving horizontally the support portion 10 that is transformed into vertical movement, support portion 10 comprises two stators that are parallel to each other that are connected with frame plate 1 and is located at the fixed pulley that two two ends between stator are connected with stator respectively, the torque spring that back-moving spring 5 is oblique setting, torque spring one end is connected with purge block 4 rear ends, middle part, the other end is connected with frame plate 1, purge block 4 comprises cuboid metal derby 401 and is located at the cuboid scouring pad 402 of metal derby 401 front ends, fixed part 3 is opening U-shaped stay hook 301 forward, U-shaped stay hook 301 front end tops are provided with the dog screw 302 of downward protrusion.
When use, live suspension ring 2 by they sup-port, static contact isolation switch attending device is articulated on the rainhat of static contact isolation switch by U-shaped stay hook 301, then support bar is shifted out to suspension ring 2.Stay cord 9 pulled down that will insulate, are become and are moved horizontally from vertical movement by the fixed pulley stay cord 9 that makes to insulate, thereby drive purge block 4 to move backward, move to after certain position, by back-moving spring 5, purge block 4 are moved to original position; Repeat above step, if add cleaning fluid in purge block 4, can play cleaning performance, if add vaseline, can play rust cleaning, lubricant effect, in concrete use, the general insulation cleaning liquid that first adds in purge block 4, then static contact isolation switch is cleaned, after cleaning up, in purge block 4, add vaseline again, then static contact isolation switch is smeared to vaseline, and then complete the maintenance work of static contact isolation switch, in actual use, in order to make operation easier, adopt insulation cleaning liquid.
Device is articulated on the rainhat of static contact isolation switch by U-shaped stay hook 301, and above U-shaped stay hook 301 front ends, be provided with the dog screw 302 of downward protrusion, coordinate with defence cap front end lug boss upwards by dog screw 302, make can static contact isolation switch rainhat and this device in conjunction with more firm, and this device is need to pull down time, only suspension ring 2 up need be carried, make device run-off the straight, and then the bossing that makes dog screw 302 and defence cap front end from, thereby can very easily device be taken off, device can also pass through rotational positioning screw 302, regulate the length of protruding end, and then can adapt to different rainhats.This device not only disconnects conveniently with rainhat, and with defence cap fixing-stable, operating efficiency is high, use procedure safety.
Two stators that are parallel to each other that the structure of support portion 10 can be connected for frame plate 1 and be connected to two metal connecting rods on stator, also can be provided with for being fixed on lower end on frame plate 1 support chip of supported hole; Back-moving spring 5 can be also horizontally disposed Compress Spring, and Compress Spring one end is connected with purge block 4 rear ends, the other end be connected from its nearest guide plate 7.
Can obtain following useful technique effect by implementing the present invention: use insulating bar to support suspension ring 2 this device is fixed to after static contact isolation switch, operating personnel can pull from ground insulation stay cord 9, realize the clean and maintenance of corresponding static contact isolation switch, stop labour without equipment, without the operation of ascending a height, fail safe and operating efficiency are improved again.
The foregoing is only specific embodiments of the invention, but technical characterictic of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification are all encompassed among the scope of the claims of the present invention.
Claims (8)
1. a static contact isolation switch attending device, it is characterized in that: comprise frame plate (1), described frame plate (1) upper end be provided with suspension ring (2) and for the fixing fixed part (3) of isolating switch rainhat, described frame plate (1) front end below is provided with cuboid purge block (4), described purge block (4) rear end is connected with for purge block (4) being returned to the back-moving spring (5) of original position and the guide rod (6) for driving purge block (4) to move, described frame plate (1) lower end is provided with guide plate (7), described guide plate (7) lower end is provided with pilot hole (8), described guide rod (6) is fixing in the horizontal direction by pilot hole (8), described guide rod (6) rear end is connected with insulation stay cord (9), described frame plate (1) lower end is connected with for supports insulative stay cord (9) and will insulate stay cord (9) by moving horizontally the support portion (10) that is transformed into vertical movement.
2. a kind of static contact isolation switch attending device as claimed in claim 1, it is characterized in that: described fixed part (3) is opening U-shaped stay hook (301) forward, described U-shaped stay hook (301) top is provided with the dog screw (302) of downward protrusion.
3. a kind of static contact isolation switch attending device as claimed in claim 1, is characterized in that: described support portion (10) comprise two stators that are parallel to each other that are connected with frame plate (1) and are located at the fixed pulley that two two ends between stator are connected with stator respectively.
4. a kind of static contact isolation switch attending device as claimed in claim 1, is characterized in that: described support portion (10) comprise two stators that are parallel to each other that are connected with frame plate (1) and are connected to two metal connecting rods on stator.
5. a kind of static contact isolation switch attending device as claimed in claim 1, is characterized in that: described support portion (10), for being fixed on the support chip on frame plate (1), described support chip lower end is provided with supported hole.
6. as a kind of static contact isolation switch attending device of claim 1～5 as described in any one, it is characterized in that: the torque spring that described back-moving spring (5) is oblique setting, described torque spring one end is connected with rear end, purge block (4) middle part, and the other end is connected with frame plate (1).
7. as a kind of static contact isolation switch attending device of claim 1～5 as described in any one, it is characterized in that: described back-moving spring (5) is horizontally disposed Compress Spring, described Compress Spring one end is connected with purge block (4) rear end, the other end be connected from its nearest guide plate (7).
8. a kind of static contact isolation switch attending device as claimed in claim 1, is characterized in that: described purge block (4) comprises cuboid metal derby (401) and is located at the cuboid scouring pad (402) of metal derby front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274119.8A CN104064973B (en) | 2014-06-18 | 2014-06-18 | A kind of static contact isolation switch attending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274119.8A CN104064973B (en) | 2014-06-18 | 2014-06-18 | A kind of static contact isolation switch attending device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104064973A true CN104064973A (en) | 2014-09-24 |
| CN104064973B CN104064973B (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410274119.8A Active CN104064973B (en) | 2014-06-18 | 2014-06-18 | A kind of static contact isolation switch attending device |
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| Country | Link |
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| CN (1) | CN104064973B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839329A (en) * | 2021-10-25 | 2021-12-24 | 国网河南省电力公司宜阳县供电公司 | Moving contact dismounting fixture of high-voltage isolating switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201579219U (en) * | 2009-12-03 | 2010-09-15 | 保定供电公司 | High-voltage disconnecting switch contact cleaner |
| CN202356333U (en) * | 2011-12-05 | 2012-08-01 | 河南省电力公司洛阳供电公司 | Electrified clearing and wiping tool of contact surface of isolation switch contact |
| DE102011080111B3 (en) * | 2011-07-29 | 2012-12-06 | Infracor Gmbh | Tool i.e. hand-held wire brush, for cleaning contact surfaces of busbars of busbar package, has shaft whose proximate end is designed as tongue that is inserted into thrust-movable tool receiver of hand-guided machine |
| CN203911307U (en) * | 2014-06-18 | 2014-10-29 | 国家电网公司 | Static contact maintenance device of isolating switch |
-
2014
- 2014-06-18 CN CN201410274119.8A patent/CN104064973B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201579219U (en) * | 2009-12-03 | 2010-09-15 | 保定供电公司 | High-voltage disconnecting switch contact cleaner |
| DE102011080111B3 (en) * | 2011-07-29 | 2012-12-06 | Infracor Gmbh | Tool i.e. hand-held wire brush, for cleaning contact surfaces of busbars of busbar package, has shaft whose proximate end is designed as tongue that is inserted into thrust-movable tool receiver of hand-guided machine |
| CN202356333U (en) * | 2011-12-05 | 2012-08-01 | 河南省电力公司洛阳供电公司 | Electrified clearing and wiping tool of contact surface of isolation switch contact |
| CN203911307U (en) * | 2014-06-18 | 2014-10-29 | 国家电网公司 | Static contact maintenance device of isolating switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839329A (en) * | 2021-10-25 | 2021-12-24 | 国网河南省电力公司宜阳县供电公司 | Moving contact dismounting fixture of high-voltage isolating switch |
| CN113839329B (en) * | 2021-10-25 | 2023-04-28 | 国网河南省电力公司宜阳县供电公司 | High-voltage isolating switch moving contact dismounting clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104064973B (en) | 2015-12-30 |
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