CN101692535B - Safe locking device for 10kV/35kV indoor circuit breaker high pressure tank - Google Patents
Safe locking device for 10kV/35kV indoor circuit breaker high pressure tank Download PDFInfo
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- CN101692535B CN101692535B CN2009100241632A CN200910024163A CN101692535B CN 101692535 B CN101692535 B CN 101692535B CN 2009100241632 A CN2009100241632 A CN 2009100241632A CN 200910024163 A CN200910024163 A CN 200910024163A CN 101692535 B CN101692535 B CN 101692535B
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- side plate
- circuit breaker
- voltage board
- high pressure
- pressure tank
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- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention relates to an indoor circuit breaker high pressure tank of a transformer substation and discloses a safe locking device for a 10kV/35kV indoor circuit breaker high pressure tank which is applicable to the security protection of the 10kV/35kV indoor circuit breaker high pressure tank during maintenances or tests. The safe locking device comprises a left side plate, a right side plate, rollers arranged on the bottom surface of the left side plate and right side plate, a crossbeam and a pin casing which are fixed between the left side plate and right side plate, a rotation axis arranged between the left side plate and right side plate, wherein the two ends of the rotation axis are provided with a left cam on the outside of the left side plate and a right cam on the outside of the right side plate, a left pin and a right pin arranged in the pin casing for locking the rotation of the left and right cams, a left slider and a right slider arranged on the outside of the left side plate and right side plate and driven by the left cam and right cam, wherein the outsides of the left slider and the right slider are separately provided with V-shaped sliding ways opening to the inside of the high pressure tank and the pin casing and the rotation axis are closer to the outside of the high pressure tank than the crossbeam.
Description
Technical field
The present invention relates to a kind of indoor circuit breaker high-voltage board of transformer station, particularly a kind of indoor 10kV/35kV circuit breaker high-voltage board safety interlock system, the safeguard protection when being applicable to indoor circuit breaker high-voltage board maintenance of 10kV/35kV or test.
Background technology
At present, the indoor 10kV/35kV circuit breaker high-voltage board that moves in the domestic 35kV/10kV transformer station is that totally-enclosed bus connects, contact contact inserted mode integral structure, and the totally-enclosed pyrocondensation of bus drainage contact in the cabinet forms a plurality of electric equipments of cabinet and connects.Such high-voltage board is provided with a central dividing plate high-voltage board is divided into front and back two parts, latter half is provided with totally-enclosed bus, first half is used to push the switch dolly, the central dividing plate back is provided with two rows three-phase contact patchhole, two rows three-phase contact patchhole correspondence is provided with upper cover plate and lower cover, is provided with the valve linkage that drives upper cover plate and lower cover keying in cabinet wall both sides.When pushing the switch dolly, the switch dolly touches the valve linkage, opens upper cover plate and lower cover; When extracting the switch dolly out, the valve linkage cuts out upper cover plate and lower cover under the elastic force effect.
In transformer station, the bus of indoor 10kV/35kV circuit breaker high-voltage board is articulated in the network system all the time, when fault concentrates on the switch dolly, extracts that the switch dolly overhauls out, test, troubleshooting, and is convenient and safe; But when high-voltage board inner member fault need be overhauled, human body contacted the valve linkage easily, and personal safety is difficult to ensure, easily sends out casualty accident; In addition, when single high-voltage board went wrong, the adjacent a plurality of high-voltage board that must be forced to stop transport just can overhaul, and can cause large-area power-cuts, influences social benefit and client's residential electricity consumption, badly influenced normal, the safe operation of system.
Summary of the invention
The objective of the invention is to a kind of indoor 10kV/35kV circuit breaker high-voltage board safety interlock system, can be when extracting switch dolly examination and repair for high-pressure cabinet inside out, the upper and lower cover plate of locking guarantees personal safety, and avoids the generation of casualty accident.
In order to achieve the above object, the present invention by the following technical solutions with to realize.
A kind of indoor 10kV/35kV circuit breaker high-voltage board safety interlock system, it is characterized in that, comprise a left side, right plate, be separately positioned on a left side, the roller of right plate bottom surface, be fixed on a left side, crossbeam between the right plate and pin sleeve pipe, be arranged on a left side, rotation axis between the right plate, the rotation axis two ends are fixed with and lay respectively at a left side, the left side in the right plate outside, right cam, be arranged on the locking left side in the pin sleeve pipe, the left side of right cam rotation, right pin, be arranged on a left side, passing through of the right plate outside is left, a right cam-actuated left side, right slide block, a left side, the right slide block outside is respectively arranged with the V-type chute of opening towards the high-voltage board the inside; Described pin sleeve pipe and rotation axis are with respect to the outside of the close high-voltage board of described crossbeam.
Further improvement of the present invention is that described crossbeam is provided with the insulating protection plate.
Indoor 10kV/35kV circuit breaker high-voltage board safety interlock system of the present invention can push by the track of switch dolly in the high-voltage board, and left and right side plate can prevent the human body contact; Simultaneously, rotation axis can drive left and right cam rotation, and left and right cam rotation promotes left and right slide block, and the V-type chute of left and right slide block can be opened the upper and lower cover plate of high-voltage board; In addition, be provided with the pin sleeve pipe, the left and right pin of the left and right cam rotation of locking in the pin sleeve pipe is opened the upper and lower cover plate of high-voltage board unintentionally and is caused personal injury in the time of can preventing to overhaul.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 looks schematic diagram for the master of the valve linkage of indoor 10kV/35kV circuit breaker high-voltage board;
Fig. 2 looks partial schematic diagram for the left side of Fig. 1;
Fig. 3 is the structural representation of a kind of indoor 10kV/35kV circuit breaker high-voltage board of the present invention with safety interlock system;
Among the figure: 1 is upper cover plate; 2 is lower cover; 3 is slideway; 4 is last handler; 5 are following handler; 6 is axis; 7 is track; 8 is lower link mechanism; 9 is last linkage; 10 is left plate; 11 is right plate; 12 is crossbeam; 13 is the pin sleeve pipe; 14 are rotating shaft; 15 is roller; 16 is right pin; 17 is right cam; 18 is right slide block; 19 is chute; 20 are the insulation backplate.
Embodiment
With reference to Fig. 1, Fig. 2, be the valve linkage of at present general indoor 10kV/35kV circuit breaker high-voltage board.Two parts before and after high-voltage board is divided into by central dividing plate, the valve linkage is positioned at the two side of the first half of high-voltage board, and symmetrically.Under the running status, by pushing the switch dolly, the switch dolly touches the valve linkage, opens upper and lower cover plate.
The central dividing plate left and right sides of high-voltage board is provided with slideway, be used for moving up and down of upper and lower cover plate led, the sidewall of high-voltage board is provided with axis, a fixing respectively end of going up linkage and lower link mechanism on the axis, the other end of last linkage connects upper cover plate, the other end of lower link mechanism connects lower cover, the outside of axis is fixed with and rotates up and down handle, rotating up and down handle driving axis rotates counterclockwise, last linkage drives loam cake and moves upward, lower link mechanism drives lower cover and moves downward, and upper and lower cover plate is opened.Axis is provided with torsion spring, can stop axis to rotate counterclockwise, and in other words, does not provide under the situation of anticlockwise moment rotating up and down handle, and the torsion spring effect is closed upper and lower cover plate.The bottom, two side of high-voltage board is provided with the track of the turnover that is used for the switch dolly.
With reference to Fig. 3, be a kind of indoor 10kV/35kV circuit breaker high-voltage board safety interlock system.Fix by crossbeam and pin sleeve pipe between the left and right side plate, crossbeam is near the high-voltage board the inside, and the pin sleeve pipe is near the high-voltage board outside.Be separately installed with roller in left and right side plate bottom surface, roller can be along the orbital motion of high-voltage board both sides.Between the left and right side plate rotation axis is installed, and near the pin sleeve pipe, the rotation axis two ends are fixed with left and right cam respectively, left and right cam is positioned at the left and right side plate outside, be provided with left and right pin in the pin sleeve pipe, left and right pin can lock left and right cam, places left and right cam rotation.Left and right side plate arranged outside has left and right slide block, offers the V-type chute of opening towards the high-voltage board the inside on the left and right slide block respectively.Open left and right sides pin, the rotation axis rotation can drive left and right cam rotation, and then the left and right slide block that drives moves towards the high-voltage board the inside, rotating up and down handle enters in the V-type chute, the tip of V-type chute is higher than the axis of axis, the effect of V-type chute rotates up and down on the handle, and axis is rotated counterclockwise, and can open upper and lower cover plate.Under the normal condition, utilize left and right sides pin to lock left and right cam, make left and right slide block away from rotating up and down handle, and block by left and right side plate and to rotate up and down handle, the people rotates up and down handle and upper and lower strut mechanism for touching when preventing to overhaul, and accident is opened upper and lower cover plate.Crossbeam is provided with the insulating protection plate, and the insulating protection plate blocks upper and lower cover plate; Like this, can guarantee further that the maintainer is carrying out work under the state safely, the accident that prevents takes place.
Claims (2)
1. indoor 10kV/35kV circuit breaker high-voltage board safety interlock system, it is characterized in that, comprise a left side, right plate, be separately positioned on a left side, the roller of right plate bottom surface, be fixed on a left side, crossbeam between the right plate and pin sleeve pipe, be arranged on a left side, rotation axis between the right plate, the rotation axis two ends are fixed with and lay respectively at a left side, the left side in the right plate outside, right cam, be arranged on the locking left side in the pin sleeve pipe, the left side of right cam rotation, right pin, be arranged on a left side, passing through of the right plate outside is left, a right cam-actuated left side, right slide block, a left side, the right slide block outside is respectively arranged with the V-type chute of opening towards the high-voltage board the inside; Described pin sleeve pipe and rotation axis are with respect to the outside of the close high-voltage board of described crossbeam.
2. a kind of indoor 10kV/35kV circuit breaker high-voltage board safety interlock system according to claim 1 is characterized in that described crossbeam is provided with the insulating protection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100241632A CN101692535B (en) | 2009-09-30 | 2009-09-30 | Safe locking device for 10kV/35kV indoor circuit breaker high pressure tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100241632A CN101692535B (en) | 2009-09-30 | 2009-09-30 | Safe locking device for 10kV/35kV indoor circuit breaker high pressure tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101692535A CN101692535A (en) | 2010-04-07 |
| CN101692535B true CN101692535B (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100241632A Active CN101692535B (en) | 2009-09-30 | 2009-09-30 | Safe locking device for 10kV/35kV indoor circuit breaker high pressure tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101692535B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612424A (en) * | 1984-10-31 | 1986-09-16 | Square D Company | Door mounted circuit breaker operating apparatus |
| CN2184977Y (en) * | 1994-02-04 | 1994-12-07 | 南海市东二电器制造厂 | Anti-wrong operation device for high voltage load stwitch cabinet |
| KR20060072697A (en) * | 2004-12-23 | 2006-06-28 | 현대중공업 주식회사 | Door and closed interlock device for vacuum circuit breaker |
-
2009
- 2009-09-30 CN CN2009100241632A patent/CN101692535B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612424A (en) * | 1984-10-31 | 1986-09-16 | Square D Company | Door mounted circuit breaker operating apparatus |
| CN2184977Y (en) * | 1994-02-04 | 1994-12-07 | 南海市东二电器制造厂 | Anti-wrong operation device for high voltage load stwitch cabinet |
| KR20060072697A (en) * | 2004-12-23 | 2006-06-28 | 현대중공업 주식회사 | Door and closed interlock device for vacuum circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101692535A (en) | 2010-04-07 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20121106 |
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Effective date of registration: 20121106 Address after: Xianyang City, Shaanxi Province, 712000 West Road No. 30 Patentee after: Xianyang Power Supply Bureau Patentee after: State Grid Corporation of China Address before: Xianyang City, Shaanxi Province, 712000 West Road No. 30 Patentee before: Xianyang Power Supply Bureau |