CN201708442U - Five-prevention interlock device for enclosed switch cabinet - Google Patents
Five-prevention interlock device for enclosed switch cabinet Download PDFInfo
- Publication number
- CN201708442U CN201708442U CN2010201608878U CN201020160887U CN201708442U CN 201708442 U CN201708442 U CN 201708442U CN 2010201608878 U CN2010201608878 U CN 2010201608878U CN 201020160887 U CN201020160887 U CN 201020160887U CN 201708442 U CN201708442 U CN 201708442U
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- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- circuit breaker
- switch cabinet
- universal driving
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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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Abstract
The utility model discloses a five-prevention interlock device for an enclosed switch cabinet, which is characterized in that the five-prevention interlock device comprises a handle, a transmission shaft, a link mechanism arranged between the handle and the transmission shaft, a transmission mechanism arranged between the transmission shaft and the switching curved plate of a circuit breaker, and an operating mechanism; the operating mechanism comprises a panel, an universal driving shaft arranged on the panel and an operating piece hinged on the panel and used for the reciprocation of the universal driving shaft in the axial direction; the handle is arranged on the operating mechanism and is connected with operating piece. The end of the universal driving shaft extending out of the panel is a working end, and a position switch is arranged corresponding to the working end. The five-prevention interlock device with the advantages of simple structure and stable work enables the position switch to cut off the switching circuit by closing the normally-closed position switch, thereby avoiding the circuit breaker from being burned due to the continuous electrification of the switching coil caused by the incomplete switching of the circuit breaker, and meeting the five-prevention requirements.
Description
Technical field
The utility model relates to a kind of interlock, particularly relates to a kind of five-prevention interlocking device of closed switch cabinet.
Background technology
Closed switch cabinet mainly comprises control room, breaker chamber, bus-bar room and cable vault.Carry out the inside maintenance at this class switch cubicle, when checking,, therefore between isolating switch and circuit breaker, need to be provided with mechanical interlocks, realize " five is anti-" interlocking of switch cubicle, that is: prevent that mistake from dividing, mistake is closed circuit breaker in order to prevent operating personnel's mistakenly entering into charged chamber; Prevent the on-load branch, close isolating switch; Prevent charged extension (closing) earth connection (earthed switch); Prevent to be with earth connection (switch) to close a floodgate; Prevent mistakenly entering charged chamber.Being used for enclosed switch interlock cashier's office in a shop mainly includes handle, power transmission shaft, is located at the transmission mechanism between the combined floodgate bent plate of link gear between handle and the power transmission shaft and power transmission shaft and circuit breaker, and in present interlock, when circuit breaker is in "on" position, if firmly pull handle, the handle that is in the service position also can be pulled to disjunction locking or maintenance position, be located at the situation that the link gear between handle and the power transmission shaft then can be distorted and be out of shape, cause the damage of link gear, operating personnel's safety is threatened; In addition, because after the dropout semiaxis in its transmission mechanism rotates and realizes threading off, operating personnel just close a floodgate or separating brake in disconnecting switch operation, if this moment, operating breaker closed a floodgate, because the dropout semiaxis is threaded off, circuit breaker can not be finished combined floodgate, at this moment, closing coil also can can't satisfy " five is anti-" requirement because of long-term energising burns out.
The utility model content
(1) technical problem that will solve
At the deficiency that prior art exists, a kind of simple in structure, working stability is provided, satisfies the interlock of the closed switch cabinet that " five is anti-" require.
(2) technical scheme
In order to solve the problems of the technologies described above, the technical solution of the utility model provides a kind of five-prevention interlocking device of closed switch cabinet, it is characterized in that, comprising: handle, power transmission shaft, be located at transmission mechanism and operating mechanism between the combined floodgate bent plate of link gear, power transmission shaft and circuit breaker between handle and the power transmission shaft; Described operating mechanism comprises panel, be located at universal driving shaft on the panel and hinged and be used for the operating sheet that universal driving shaft axially moves back and forth with panel; Described handle is arranged on the operating mechanism, and is connected with operating sheet; Described link gear comprises support, long connecting plate, is located at the guide vane end stop on the long connecting plate, on described support, the corresponding part that blocks of conflicting and cooperating that is provided with guide vane end stop with its gap, one end of long connecting plate is connected with operating sheet, the other end is connected with power transmission shaft, so that power transmission shaft is suitable, is rotated counterclockwise; Described transmission mechanism comprises swing arm and the arm-tie that is connected with the combined floodgate bent plate of circuit breaker, an end of swing arm and power transmission shaft socket, and the other end is connected with arm-tie.
Wherein, described support is the U type, it comprise vertical setting long slab and with the vertically disposed short slab of long slab, the long slab of support be provided with long connecting plate on the corresponding elongate slots of guide vane end stop, the described part that blocks inserts in the elongate slots, blocks part and is connected with the circuit breaker main shaft.
Wherein, described operating sheet is provided with two extension blocks: fork piece and projection; Described fork piece is connected with universal driving shaft, and described projection is connected with long connecting plate; Described universal driving shaft be provided with corresponding with fork piece on the operating sheet and with fork piece upper shed adaptive bearing pin.
Wherein, the end that described universal driving shaft extends panel is the working end, is provided with travel switch with the corresponding position of described working end.
Wherein, be connected by swing arm between described long connecting plate and the power transmission shaft.
Wherein, the elongated end of described arm-tie is provided with interlocking transmission bent plate, and it is connected with the combined floodgate bent plate of circuit breaker.
(3) beneficial effect
The five-prevention interlocking device of closed switch cabinet provided by the utility model, simple in structure, working stability, by with normally closed travel switch closure, make travel switch cut off closing circuit, prevent that breaker closing is incomplete, cause closing coil to keep energising to be burnt out always, satisfied " five is anti-" requirement.
Description of drawings
Fig. 1 is the structural representation of the five-prevention interlocking device of the utility model closed switch cabinet;
Fig. 2 is the A-A cutaway view of the five-prevention interlocking device of closed switch cabinet among Fig. 1;
Fig. 3 is the left-hand view of the five-prevention interlocking device of closed switch cabinet among Fig. 1.
Wherein, 1: handle; 2: power transmission shaft; 21: swing arm; 3: link gear; 31: long connecting plate; 32: guide vane end stop; 33: support; 34: block part; 331: long slab; 332: short slab; 3311: elongate slots; 4: the combined floodgate bent plate; 5: transmission mechanism; 51: swing arm; 52: arm-tie; 521: interlocking transmission bent plate; 6: operating mechanism; 61: panel; 62: universal driving shaft; 63: operating sheet; 621: bearing pin; 631: the fork piece; 632: projection; 7: the circuit breaker main shaft; 8: travel switch.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As Fig. 1, the interlock of Fig. 2 and a kind of closed switch cabinet shown in Figure 3, include handle 1, power transmission shaft 2, be located at the transmission mechanism 5 between the combined floodgate bent plate 4 of link gear 3 between handle 1 and the power transmission shaft 2 and power transmission shaft 2 and circuit breaker, described handle 1 is located on the operating mechanism 6, this operating mechanism 6 includes panel 61, the universal driving shaft of being located on the panel 61 62 reaches with panel 61 hinged, and constitute the operating sheet 63 that universal driving shaft 62 axially moves back and forth, described handle 1 is connected with operating sheet 63, described link gear 3 includes support 33, long connecting plate 31, be located at the guide vane end stop 32 on the long connecting plate 31, the corresponding position that is positioned at guide vane end stop 32 on the support 33 be provided with in guide vane end stop violate be intermittence conflict cooperate block part 34, described support 33 is " U " shape substantially, this support 33 includes the long slab 331 that is the vertical configuration setting and reaches and long slab 331 vertically disposed short slabs 332 formations, the long slab 331 of support 33 is provided with elongate slots 3311 with the corresponding position of long connecting plate 31 upper limit position blocks 32, the described part 34 that blocks is inserted in this elongate slots 3311, and this blocks part 34 and is connected with circuit breaker main shaft 7; One end of long connecting plate 31 is connected with operating sheet 63, the other end is connected with power transmission shaft 2 and constitutes power transmission shaft 2 and is suitable, is rotated counterclockwise, the arm-tie 52 that described transmission mechanism 5 includes swing arm 51 and is connected with the combined floodgate bent plate 4 of circuit breaker, one end of swing arm 51 and power transmission shaft 2 sockets, the other end is connected with arm-tie 52.When circuit breaker is "on" position, handle 1 is in the service position, blocking part 34 on guide vane end stop criminal on the long connecting plate 31 and the support 33 conflicts, driven by circuit breaker main shaft 7 and block part 34, stopped that so long connecting plate 31 moves down, external force also just can't be pulled handle 1 to the disjunction locked position of coupler from the service position, isolating switch just can't be operated, make operating personnel obtain prompting, can the mistakenly entering into charged chamber, guaranteed operating personnel's personal safety; And after circuit breaker was gate-dividing state, the part 34 that blocks on the support 33 was just removed conflict with long connecting plate 31 upper limit position blocks criminal, after the conflict of long connecting plate 31 is released, just can pull handle 1, and it is pulled to the disjunction locked position of coupler, and is simple in structure, and working stability.
In the utility model embodiment, operating sheet 63 is provided with two extension blocks, wherein the extension block that is connected with universal driving shaft is fork piece 631, another extension block is a side of being located at operating sheet 63, and the projection 632 that is connected with long connecting plate 31, the corresponding position of fork piece 631 is provided with and pitches the adaptive bearing pin 621 of piece 631 upper sheds on described universal driving shaft 62 and the operating sheet 63, the end that universal driving shaft 62 extends panel 61 is the working end, be provided with travel switch 8 with the corresponding position of this working end, be connected by swing arm 21 between described long connecting plate 31 and the power transmission shaft 2, arm-tie 52 in the transmission mechanism 5 extends an interlocking transmission bent plate 521 and is connected with the combined floodgate bent plate 4 of circuit breaker, cooperation compactness between above-mentioned each parts, the setting of travel switch 8 is for when the vacuum circuit-breaker separating brake, pull handle 1 to the disjunction locked position of coupler, handle 1 drives power transmission shaft 2 rotations by long connecting plate 31, power transmission shaft 2 interlock arm-ties 52, interlocking transmission bent plate 521 on the arm-tie 52 just can move up, block combined floodgate bent plate 4, the fork piece 631 driving universal driving shafts 62 of handle 1 driving operating sheet 63 move simultaneously, the working end of universal driving shaft 62 is with normally closed travel switch 8 closures, make travel switch 8 cut off closing circuit, prevent that breaker closing is incomplete, cause closing coil to keep energising to be burnt out always, satisfied " five is anti-" requirement.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection range of the present utility model.
Claims (6)
1. the five-prevention interlocking device of a closed switch cabinet, it is characterized in that, comprising: handle (1), power transmission shaft (2), be located at transmission mechanism (5) and operating mechanism (6) between the combined floodgate bent plate (4) of link gear (3), power transmission shaft (2) and circuit breaker between handle (1) and the power transmission shaft (2); Described operating mechanism (6) comprises panel (61), be located at universal driving shaft (62) on the panel (61) and hinged and be used for the operating sheet (63) that universal driving shaft (62) axially moves back and forth with panel (61); Described handle (1) is arranged on the operating mechanism (6), and is connected with operating sheet (63); Described link gear (3) comprises support (33), long connecting plate (31) and is located at guide vane end stop (32) on the long connecting plate (31), go up at described support (33), corresponding with guide vane end stop (32) be provided with cooperate with its gap conflict block part (34), one end of described long connecting plate (31) is connected with operating sheet (63), the other end is connected with power transmission shaft (2), so that power transmission shaft (2) is suitable, is rotated counterclockwise; Described transmission mechanism (5) comprises swing arm (51) and the arm-tie (52) that is connected with the combined floodgate bent plate (4) of circuit breaker, an end of swing arm (51) and power transmission shaft (2) socket, and the other end is connected with arm-tie (52).
2. the five-prevention interlocking device of closed switch cabinet as claimed in claim 1, it is characterized in that, described support (33) is the U type, it long slab (331) that comprises vertical setting reaches and the vertically disposed short slab of long slab (331) (332), the long slab (331) of support (33) be provided with long connecting plate (31) on the corresponding elongate slots of guide vane end stop (32) (3311), the described part (34) that blocks inserts in the elongate slots (3311), blocks part (34) and is connected with circuit breaker main shaft (7).
3. the five-prevention interlocking device of closed switch cabinet as claimed in claim 1 is characterized in that, described operating sheet (63) is provided with two extension blocks: fork piece (631) and projection (632); Described fork piece (631) is connected with universal driving shaft (62), and described projection (632) is connected with long connecting plate (31); Described universal driving shaft (62) be provided with operating sheet (63) go up fork piece (631) corresponding and with the adaptive bearing pin (621) of fork piece (631) upper shed.
4. the five-prevention interlocking device of closed switch cabinet as claimed in claim 1 is characterized in that, the end that described universal driving shaft (62) extends panel (61) is the working end, is provided with travel switch (8) with the corresponding position of described working end.
5. the five-prevention interlocking device of closed switch cabinet as claimed in claim 1 is characterized in that, is connected by swing arm (21) between described long connecting plate (31) and the power transmission shaft (2).
6. the five-prevention interlocking device of closed switch cabinet as claimed in claim 1 is characterized in that, the elongated end of described arm-tie (52) is provided with interlocking transmission bent plate (521), and it is connected with the combined floodgate bent plate (4) of circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201608878U CN201708442U (en) | 2010-04-16 | 2010-04-16 | Five-prevention interlock device for enclosed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201608878U CN201708442U (en) | 2010-04-16 | 2010-04-16 | Five-prevention interlock device for enclosed switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708442U true CN201708442U (en) | 2011-01-12 |
Family
ID=43445593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201608878U Expired - Lifetime CN201708442U (en) | 2010-04-16 | 2010-04-16 | Five-prevention interlock device for enclosed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785196A (en) * | 2017-11-07 | 2018-03-09 | 河南森源电气股份有限公司 | The interlocking mechanism of switch cubicle and its disconnecting switch and breaker |
-
2010
- 2010-04-16 CN CN2010201608878U patent/CN201708442U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785196A (en) * | 2017-11-07 | 2018-03-09 | 河南森源电气股份有限公司 | The interlocking mechanism of switch cubicle and its disconnecting switch and breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 203, room 19 (Park), No. 100044 West Fourth Ring Road South, Beijing, Fengtai District Patentee after: Huadian Ruitong Power Engineering Corporation Address before: 100044, Beijing Haidian District Zhongguancun South Street, No. 56, building 12 square radius Patentee before: Huadian Ruitong Power Engineering Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
|
| CX01 | Expiry of patent term |