CN107546059B - A kind of operating method of disconnecting switch anti-error closing - Google Patents
A kind of operating method of disconnecting switch anti-error closing Download PDFInfo
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- CN107546059B CN107546059B CN201610850019.4A CN201610850019A CN107546059B CN 107546059 B CN107546059 B CN 107546059B CN 201610850019 A CN201610850019 A CN 201610850019A CN 107546059 B CN107546059 B CN 107546059B
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- closing
- pull rod
- disconnecting
- disconnecting switch
- static contact
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Abstract
The present invention provides a kind of operating methods of disconnecting switch anti-error closing, it includes the following device for realizing this method, described device includes pedestal, the moving contact being mounted on the pedestal, static contact and disconnecting link, described disconnecting link one end and the moving contact are hinged, the disconnecting link other end is provided with insulation breaking-closing operating bar, the pedestal is located at the static contact side and is provided with slideway, sliding shoe is slidably equipped in the slideway, described insulation breaking-closing operating bar one end is hinged on the top of the sliding shoe, the pedestal is vertically provided with hydraulic push-pull rod, the telescopic rod of the hydraulic push-pull rod is fixedly connected with the insulation breaking-closing operating bar.A kind of operating method of disconnecting switch anti-error closing has the advantages that design science, practical, structurally reasonable, easy to operate and anti-error closing effect are good.
Description
Technical field
The present invention relates to a kind of disconnecting switch closing switch methods, specifically, relate to a kind of disconnecting switch anti-error closing
Operating method.
Background technique
Important composition of the disconnecting switch as transmission line of electricity is mainly used for the on-off transmission lines of electricity such as cooperation breaker,
So that apparent cut-off point occurs in transmission line of electricity, guarantee the safety of maintenance personal and equipment with this.However existing disconnecting switch
Be made of sound contact and disconnecting link, with the increase of divide-shut brake number, disconnecting link and movable contact it is hinged it is easy loosen, this time-division
Easily occurs the problem of disconnecting link touches stationary contact after lock, and then there are the risks of disconnecting switch false switching.How knife is avoided after separating brake
It is people's urgent problem to be solved that lock is contacted with static contact.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of design science, practical, structure is closed
Reason, the operating method for the disconnecting switch anti-error closing that easy to operate and anti-error closing effect is good.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of operation of disconnecting switch anti-error closing
Method, including the following device for realizing this method, described device include pedestal, the moving contact being mounted on the pedestal,
Static contact and disconnecting link, described disconnecting link one end and the moving contact are hinged, and the disconnecting link other end is provided with insulation breaking-closing operating
Bar, the pedestal are located at the static contact side and are provided with slideway, and sliding shoe, the insulation divide-shut brake are slidably equipped in the slideway
Operating stick one end is hinged on the top of the sliding shoe, and the pedestal corresponds to vertically arranged in the middle part of the insulation breaking-closing operating bar
There is hydraulic push-pull rod, the telescopic rod of the hydraulic push-pull rod is fixedly connected with the insulation breaking-closing operating bar, the sliding shoe
Side is provided with push rod, and protective cover plate is fixed on front side of the push rod, and the protective cover plate is slidably installed in the slideway and is located at
Above the static contact；
The operating method the following steps are included:
Step 1, initial verification, carry out current acquisition for the two sides of the disconnecting switch respectively, operate the hydraulic thrust
Pull rod makes the disconnecting link carry out divide-shut brake, and whether current information detection and isolation switch when according to divide-shut brake is normal；
Step 2 is closed a floodgate, and is acquired the electric current of the disconnecting switch two sides first, is determined that disconnecting switch is normal, and institute is secondly arranged
The combined floodgate stroke of hydraulic push-pull rod is stated, the hydraulic push-pull rod is operated and the insulation breaking-closing operating bar is moved along the slideway
Dynamic, the sliding shoe drives the protective cover plate to move backward at this time, the masking of the static contact is opened with this, by the disconnecting link
It is closed into the static contact, acquires the electric current of the disconnecting switch two sides again at this time, being closed a floodgate according to curent change judgement is
It is no in place, otherwise close a floodgate again；
Step 3, separating brake acquire the electric current of the disconnecting switch two sides first, determine that disconnecting switch is normal, and institute is secondly arranged
The separating brake stroke of hydraulic push-pull rod is stated, the hydraulic push-pull rod is operated and the insulation breaking-closing operating bar is moved along the slideway
It is dynamic, the disconnecting link is left into the static contact, the sliding shoe drives the protective cover plate to move forward at this time, with this shelter
Static contact is stated, acquires the electric current of the disconnecting switch two sides again at this time, judges separating brake whether in place according to curent change.
Based on above-mentioned, the insulation breaking-closing operating bar and the disconnecting link junction are provided with rain-proof shutter.
Based on above-mentioned, the slideway is arranged on the outside of the static contact, and the bottom of the slideway offers hatchway, described
Translation sliding slot is provided in the middle part of push rod, the telescopic rod of the hydraulic push-pull rod passes through the hatchway and is arranged in the translation sliding slot
It is interior.
Based on above-mentioned, it further includes the controller for opening and closing the hydraulic push-pull rod, is provided with a pair in the slideway
Limit switch, a pair of limit switch interval setting, the controller connect the limit switch and are used for according to collected
Signal judges whether to open and close the hydraulic push-pull rod.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, specifically, in the present invention
The disconnecting link other end is provided with insulation breaking-closing operating bar, and the divide-shut brake of disconnecting link, separating brake are realized by the hydraulic push-pull rod
Shi Suoshu insulation breaking-closing operating bar pulls the sliding shoe, so that the sliding shoe pushes the protective cover plate to cover institute
Static contact is stated, prevents the disconnecting link after separating brake from contacting the static contact with this, efficiently avoids the contactless caused wind of the two
Danger；It has the advantages that design science, practical, structurally reasonable, easy to operate and anti-error closing effect are good.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1. pedestals；2. disconnecting link；3. insulate breaking-closing operating bar；4. slideway；5. sliding shoe；6. protective cover
Plate；7. hydraulic push-pull rod；11. moving contact；12. static contact；51. push rod；71. telescopic rod.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
As shown in Figure 1, a kind of operating method of disconnecting switch anti-error closing, including the following dress for realizing this method
It sets, described device includes pedestal 1, the moving contact 11 being mounted on the pedestal 1, static contact 12 and disconnecting link 2, is constituted isolation with this
The main body of switch, entire switch are mounted in transmission line of electricity by the pedestal 1.Described 2 one end of disconnecting link and the moving contact 11
Hingedly, 2 other end of disconnecting link is provided with insulation breaking-closing operating bar 3, carries out the knife using the insulation breaking-closing operating bar 3
The breaking-closing operating of lock 2 improves the safety of breaking-closing operating.
The pedestal 1 is located at 12 side of static contact and is provided with slideway 4, and sliding shoe 5, institute are slidably equipped in the slideway 4
The top that insulation 3 one end of breaking-closing operating bar is hinged on the sliding shoe 4 is stated, point of the insulation breaking-closing operating bar 3 is utilized
Combined floodgate stroke drives the sliding shoe 5；It is vertically provided in the middle part of the corresponding insulation breaking-closing operating bar 3 of the pedestal 1 hydraulic
Push-pull rod 7, the telescopic rod 71 of the hydraulic push-pull rod 7 is fixedly connected with the insulation breaking-closing operating bar 3, using described hydraulic
Push-pull rod 7 realizes automatic divide-shut brake function；5 side of sliding shoe is provided with push rod 51, is fixed on front side of the push rod 51 anti-
Protecting cover plate 6, the protective cover plate 6 are slidably installed in the slideway 4 and are located at 12 top of static contact, due to the cunning when separating brake
The sliding of motion block 5, and then the protective cover plate 6 is pushed to cover the static contact 12.
The operating method the following steps are included:
Step 1, initial verification, carry out current acquisition for the two sides of the disconnecting switch respectively, operate the hydraulic thrust
Pull rod 7 makes the disconnecting link 2 carry out divide-shut brake, and whether current information detection and isolation switch when according to divide-shut brake is normal；According to
Disconnecting switch state and the current information of acquisition analyze and determine whether the disconnecting switch is normal.
Step 2 is closed a floodgate, and is acquired the electric current of the disconnecting switch two sides first, is determined that disconnecting switch is normal, and institute is secondly arranged
It states the combined floodgate stroke of hydraulic push-pull rod 7, operates the hydraulic push-pull rod 7 and make the insulation breaking-closing operating bar 3 along the cunning
Road 4 is mobile, and the sliding shoe 5 drives the protective cover plate 6 to move backward at this time, and the masking of the static contact 12 is opened with this,
The disconnecting link 2 is closed into the static contact 12, the electric current of the disconnecting switch two sides is acquired again at this time, is become according to electric current
In place whether change judge to close a floodgate, otherwise closes a floodgate again；The Stability and veracity for ensuring to close a floodgate with this.
Step 3, separating brake acquire the electric current of the disconnecting switch two sides first, determine that disconnecting switch is normal, and institute is secondly arranged
It states the separating brake stroke of hydraulic push-pull rod 7, operates the hydraulic push-pull rod 7 and make the insulation breaking-closing operating bar 3 along the cunning
Road 4 is mobile, and the disconnecting link 2 is left the static contact 12, and the sliding shoe 5 drives the protective cover plate 6 to move forward at this time,
The static contact 12 is covered with this, the electric current of the disconnecting switch two sides is acquired again at this time, separating brake is judged according to curent change
Whether in place；Separating brake covers the static contact 12 using the protective cover plate 6 afterwards in place, prevents false switching from operating.
Whole device is after separating brake, since the effect of the insulation breaking-closing operating bar 3 is so that the sliding shoe 5 drives institute
It is mobile to state protective cover plate sliding 6, and then makes the static contact 12 shielded after separating brake, effectively protects static contact, prevents
After separating brake, the disconnecting link 2 contacts by mistake with the static contact 12.
For the contact position of Protection during Closing disconnecting link and static contact, the insulation breaking-closing operating bar 3 and the disconnecting link 2 connect
The place of connecing is provided with rain-proof shutter, is able to carry out rain cover after combined floodgate.
In order to guarantee the work well of hydraulic push-pull rod and push rod, the setting of slideway 4 is in 12 outside of static contact, institute
The bottom for stating slideway 4 offers hatchway, and translation sliding slot is provided in the middle part of the push rod 51, and the hydraulic push-pull rod 7 stretches
Bar 71 passes through the hatchway and is arranged in the translation sliding slot, so that the vertical lifting of the hydraulic push-pull rod 7 and described pushing away
The transverse shifting complementation of bar 51 influences.
In order to realize automation divide-shut brake, described device further includes the controller for opening and closing the hydraulic push-pull rod 7, institute
It states and is provided with a pair of of limit switch in slideway 4, a pair of limit switch interval setting, the controller connection limit is opened
It closes for being judged whether to open and close the hydraulic push-pull rod according to collected signal, carries out breaking-closing operating using controller, point
After order of closing a floodgate issues, the hydraulic push-pull rod 7 starts to go up and down accordingly, when touching limit switch, the hydraulic push-and-pull
Bar 7 is automatically stopped work.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (4)
1. a kind of operating method of disconnecting switch anti-error closing, including the following device for realizing this method, described device packet
Include pedestal, the moving contact being mounted on the pedestal, static contact and disconnecting link, it is characterised in that: move with described described disconnecting link one end
Contact is hinged, and the disconnecting link other end is provided with insulation breaking-closing operating bar, and the pedestal is located at static contact side setting
There is slideway, sliding shoe is slidably equipped in the slideway, described insulation breaking-closing operating bar one end is hinged on the top of the sliding shoe,
The pedestal corresponds to and is vertically provided with hydraulic push-pull rod in the middle part of the insulation breaking-closing operating bar, and the hydraulic push-pull rod stretches
Bar is fixedly connected with the insulation breaking-closing operating bar, and the sliding shoe side is provided with push rod, is fixed on front side of the push rod
Protective cover plate, the protective cover plate are slidably installed in the slideway and are located above the static contact；
The operating method the following steps are included:
Step 1, initial verification carry out current acquisition for the two sides of the disconnecting switch respectively, operate the hydraulic push-pull rod
So that the disconnecting link carries out divide-shut brake, whether current information detection and isolation switch when according to divide-shut brake is normal；
Step 2 is closed a floodgate, and is acquired the electric current of the disconnecting switch two sides first, is determined that disconnecting switch is normal, secondly the setting liquid
The combined floodgate stroke of push-pull rod is pressed, the hydraulic push-pull rod is operated and the insulation breaking-closing operating bar is moved along the slideway,
The sliding shoe drives the protective cover plate to move backward at this time, and the masking of the static contact is opened with this, the disconnecting link is closed
It closes and enters the static contact, acquire the electric current of the disconnecting switch two sides again at this time, judge whether close a floodgate according to curent change
In place, it otherwise closes a floodgate again；
Step 3, separating brake acquire the electric current of the disconnecting switch two sides first, determine that disconnecting switch is normal, secondly the setting liquid
The separating brake stroke of push-pull rod is pressed, the hydraulic push-pull rod is operated and the insulation breaking-closing operating bar is moved along the slideway,
The disconnecting link is left into the static contact, the sliding shoe drives the protective cover plate to move forward at this time, covers with this described
In place whether static contact acquires the electric current of the disconnecting switch two sides again at this time, judge separating brake according to curent change.
2. a kind of operating method of disconnecting switch anti-error closing according to claim 1, it is characterised in that: the insulation point
Closing operation bar and the disconnecting link junction are provided with rain-proof shutter.
3. a kind of operating method of disconnecting switch anti-error closing according to claim 1 or 2, it is characterised in that: the cunning
Road is arranged on the outside of the static contact, and the bottom of the slideway offers hatchway, is provided with translation sliding slot in the middle part of the push rod,
The telescopic rod of the hydraulic push-pull rod passes through the hatchway and is arranged in the translation sliding slot.
4. a kind of operating method of disconnecting switch anti-error closing according to claim 3, it is characterised in that: it further includes using
In being provided with a pair of of limit switch in the controller for opening and closing the hydraulic push-pull rod, the slideway, between a pair of limit switch
Every setting, the controller connects the limit switch for judging whether to open and close the hydraulic push-and-pull according to collected signal
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850019.4A CN107546059B (en) | 2016-09-27 | 2016-09-27 | A kind of operating method of disconnecting switch anti-error closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850019.4A CN107546059B (en) | 2016-09-27 | 2016-09-27 | A kind of operating method of disconnecting switch anti-error closing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107546059A CN107546059A (en) | 2018-01-05 |
| CN107546059B true CN107546059B (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610850019.4A Active CN107546059B (en) | 2016-09-27 | 2016-09-27 | A kind of operating method of disconnecting switch anti-error closing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610825B (en) * | 2019-09-04 | 2021-09-24 | 山东鲁能力源电器设备有限公司 | Pressure-prompting disconnecting link for power system |
| CN113539713B (en) * | 2021-06-11 | 2023-07-07 | 华能伊敏煤电有限责任公司 | Method for improving overheat of exciting knife switch or high-power knife switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4917628B2 (en) * | 2009-04-27 | 2012-04-18 | ハル子 網矢 | Knife switch |
| CN202373504U (en) * | 2011-12-19 | 2012-08-08 | 黄文平 | Protective knife switch |
| CN205542538U (en) * | 2016-03-04 | 2016-08-31 | 泉州亿兴电力有限公司 | Safe doublethrow switch |
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2016
- 2016-09-27 CN CN201610850019.4A patent/CN107546059B/en active Active
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| CN107546059A (en) | 2018-01-05 |
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