CN203760366U - High-voltage switch cabinet operation interlocking mechanism - Google Patents
High-voltage switch cabinet operation interlocking mechanism Download PDFInfo
- Publication number
- CN203760366U CN203760366U CN201420042083.6U CN201420042083U CN203760366U CN 203760366 U CN203760366 U CN 203760366U CN 201420042083 U CN201420042083 U CN 201420042083U CN 203760366 U CN203760366 U CN 203760366U
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- China
- Prior art keywords
- main shaft
- panel
- switch main
- tie
- hole
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- Expired - Fee Related
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Abstract
The utility model belongs to the high-voltage switch cabinet operation interlocking mechanism technical field, and relates to an interlocking mechanism of a disconnecting switch, a circuit breaker, a grounding switch and a cabinet door. The high-voltage switch cabinet operation interlocking mechanism provided by the utility model is convenient to operate and can satisfy five-prevention locking requirements. The high-voltage switch cabinet operation interlocking mechanism of the utility model is characterized in through holes which are corresponding to a disconnecting switch main shaft and a grounding switch main shaft are formed in a panel; the panel is provided with a pin shaft; the pin shaft is provided with a baffle; the baffle is corresponding to the through holes; the baffle is provided with a first reset spring; the disconnecting switch main shaft is provided with a first semicircle shaft; the grounding switch main shaft is provided with a second semicircle shaft; the first semicircle shaft and the second semicircle shaft are different from each other by 90 degrees in direction; the inner side of the panel is provided with a pull plate; blocking holes which are corresponding to the through holes are formed in the pull plate; the panel is provided with a second reset spring which is connected with the pull plate and is located in the direction of a restoring force; the panel is provided with a vertical sliding groove; and the vertical sliding groove is corresponding to the pull plate.
Description
Technical field
The utility model belongs to high-tension switch cabinet operation interlocking mechanism technology field, is specifically related to the interlocking device of a kind of isolating switch, circuit breaker, earthed switch and cabinet door.
Background technology
High-tension switch cabinet operation interlocking mechanism, need to meet standard GB/T 3906 " 3～35KV ac metal closing switch gear ", IEC60298 " ac metal closing switch gear and control appliance " and DL/T402, DL/T404 standard, reach " five is anti-" locking requirement.Five anti-functions are: prevent on-load deciliter isolating switch; Prevent from dividing and closing circuit breaker by mistake by mistake; Prevent mistakenly entering charged chamber; Prevent the charged earthed switch that closes; Prevent that cutter with ground from closing a floodgate.
On market, existing high-tension switch cabinet operation interlocking mechanism, cannot be installed to isolating switch, side-mounted circuit breaker, earthed switch in small high voltage switch cubicle; Therefore, can not meet the requirement of this type cabinet interlocking device.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of easy and simple to handle, can meet the high-tension switch cabinet operation interlocking mechanism that " five is anti-" locking requires.
For realizing above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises isolating switch main shaft and the grounding switch main shaft all with connecting lever, and panel, it is characterized in that: on panel, be provided with through hole corresponding to isolating switch main shaft and grounding switch main shaft; Side corresponding to the line of centres of isolating switch main shaft and grounding switch main shaft on panel is provided with bearing pin, is provided with baffle plate on bearing pin; The two ends up and down of baffle plate are corresponding with described through hole respectively; It is away from axial the first back-moving spring of isolated switch main that the upper end of described baffle plate is provided with restoring force direction; On described isolating switch main shaft, be provided with the first half circular shafts corresponding to the upper end of baffle plate, on described grounding switch main shaft, be provided with the second half circular shafts corresponding to the lower end of baffle plate; Between described the first half circular shafts and the second half circular shafts, differ 90 ° of angles; Described panel inner side is provided with arm-tie, is provided with the gear hole corresponding with described through hole on arm-tie; On described panel, be provided with the connected restoring force direction of same arm-tie the second back-moving spring upwards; On described panel, be provided with vertical chute, vertical chute is corresponding with described arm-tie.
As a kind of preferred version of the present utility model, on described grounding switch main shaft, be provided with locking bar.
As another kind of preferred version of the present utility model, described faceplate is provided with indicator hole in the side of through hole, on described arm-tie, is provided with cue mark corresponding to indicator hole.
The beneficial effects of the utility model: (1) the utility model is rational in infrastructure, have solved the problem that isolating switch, side-mounted circuit breaker, earthed switch cannot configure in small high voltage switch cubicle.
(2) the utility model is pure mechanical structure, failure rate is low, basic Maintenance free.
(3) the utility model is simple in structure, and low production cost is installed easily.
Brief description of the drawings
Fig. 1 is use state diagram of the present utility model.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the structural representation of the utility model power failure (separating brake) state.
Fig. 5 is the structural representation of the utility model power failure (separating brake) state.
Fig. 6 is the structural representation of the utility model power transmission (combined floodgate) state.
In accompanying drawing 1 for earthed switch, 2 for circuit breaker, 3 for grounding switch main shaft, 4 for isolating switch main shaft, 5 for isolating switch, 6 for middle cabinet door, 7 for lower cabinet door, 8 for connecting lever, 9 be the second back-moving spring, 10 be the second half circular shafts, 11 be the first back-moving spring, 12 for bearing pin, 13 for baffle plate, 14 for gear hole, 15 for arm-tie, 16 for indicator hole, 17 be the first half circular shafts, 18 for vertical chute, 19 for accessory plate, 20 for locking bar, 21 for panel, 22 for through hole, 23 be cue mark.
Embodiment
The utility model comprises isolating switch main shaft 4 and the grounding switch main shaft 3 all with connecting lever 8, and panel 21, it is characterized in that: on panel 21, be provided with through hole 22 corresponding to isolating switch main shaft 4 and grounding switch main shaft 3; Side corresponding to the line of centres of isolating switch main shaft 4 and grounding switch main shaft 3 on panel 21 is provided with bearing pin 12, is provided with baffle plate 13 on bearing pin 12; The two ends up and down of baffle plate 13 are corresponding with described through hole 22 respectively; It is the first back-moving spring 11 away from isolating switch main shaft 4 directions that the upper end of described baffle plate 13 is provided with restoring force direction; On described isolating switch main shaft 4, be provided with the first half circular shafts 17 corresponding to the upper end of baffle plate 13, on described grounding switch main shaft 4, be provided with the second half circular shafts 10 corresponding to the lower end of baffle plate 13; Between described the first half circular shafts 17 and the second half circular shafts 10, differ 90 ° of angles; Described panel 21 inner sides are provided with arm-tie 15, are provided with the gear hole 14 corresponding with described through hole 22 on arm-tie 15; On described panel 21, be provided with the connected restoring force direction of same arm-tie 15 the second back-moving spring 9 upwards; On described panel 21, be provided with vertical chute 18, vertical chute 18 is corresponding with described arm-tie 15.
As a kind of preferred version of the present utility model, on described grounding switch main shaft 4, be provided with locking bar 20.
As another kind of preferred version of the present utility model, the side that is positioned at through hole 22 on described panel 21 is provided with indicator hole 16, on described arm-tie 15, is provided with cue mark 23 corresponding to indicator hole 16.
On described arm-tie 15, be provided with accessory plate 19; Described the second back-moving spring 9 is connected with arm-tie 15, and described chute is corresponding with accessory plate 19.
Operational motion process below in conjunction with brief description of the drawings the utility model mechanism:
Interlocking mechanism of switch cabinet operating sequence is as follows, power transmission operating sequence:
(1) shut lower cabinet door 7, the lower door lock of locking; Central Shanxi Plain cabinet door 6 again, door lock (see figure 5) in locking; Middle door is upper is provided with triangular plate (not shown) corresponding to vertical chute 18, and triangular plate inserts in chute, can make arm-tie 15 move downward, and now the gear hole 14 of arm-tie 15 and the through hole 22 of panel 21 are corresponding; Position as shown in Figure 5.
(2) operating grip is inserted in the through hole 22 of panel 21 belows, grounding switch main shaft 4 is turned clockwise to 90 °; The second half circular shafts 10 of grounding switch main shaft 4 ends rotate, and baffle plate 13 is no longer stressed, under the first back-moving spring 11 effects, reset, this hour locking lever 20 is downward, gusset on middle cabinet door 6 inserts in vertical chute (not shown), and as shown in Figure 6, middle cabinet door 6 and lower cabinet door 7 cannot be opened;
(3) operating grip is inserted in the through hole of panel 21 tops, isolating switch main shaft 4 turns clockwise 90 °, the first half circular shafts 17 of isolating switch main shaft 4 ends rotate, cam will withstand baffle plate 13, drive isolating switch 5 to isolating switch 5 closing positions by the connecting lever 8 on isolating switch main shaft 4; As shown in Figure 6;
(4) close circuit breaker 2, circuit breaker 2 is connected by blocking lever (not shown) with arm-tie 15, and blocking lever moves downward, and power transmission is complete.
Now, baffle plate 13 is blocked earthed switch 1 handle hole, while closing circuit breaker 2, arm-tie 15 moves downward under the effect of the second reset tension spring, the upper lower through-hole 22 of panel 21 is blocked to (seeing Fig. 6), and operating grip cannot be inserted into line operate, realizes forced blocking function.
Power failure operating sequence:
(1) separate circuit breaker 2; Blocking lever (not shown) between circuit breaker 2 and arm-tie 15 moves upward, arm-tie 15 move upward under the effect of the second reset tension spring (seeing Fig. 5).
(2) the through hole 22 of operating grip insertion panel 21 tops, isolating switch main shaft 4 is rotated counterclockwise to 90 °, drives isolating switch 5 to open position by connecting lever 8.
(3) the through hole 22 of operating grip insertion panel 21 belows, grounding switch main shaft 4 is rotated counterclockwise to 90 °, to the right, as shown in Figure 5, earthed switch 1 is in "on" position for this hour locking lever 20.
(4) confirm without after electricity, open middle cabinet door 6, open lower cabinet door 7 (seeing Fig. 4), maintenance.
Now, baffle plate 13 is blocked the through hole 22 of panel 21 tops, and while dividing circuit breaker 2, arm-tie 15 moves upward under the effect of the second back-moving spring 9, and the upper and lower through hole 22 of panel 21 is all blocked, operating grip cannot insert that the upper and lower through hole of panel 21 22 divides, closing operation, as shown in Figure 4.Avoid malfunction operating mechanism under power-off condition.
Described in this mechanism, panel 21, arm-tie 15, accessory plate 19 all adopt galvanized sheet 2.5mm to make above, grounding switch main shaft 3 and isolating switch main shaft 4 adopt 45# steel to process, after surface treatment, install again, mechanism's antiseptic property, mechanical performance are ensured, its machining accuracy is guaranteed in the processing of Digit Control Machine Tool, and overall structure is formed by connecting with high-strength bolt, has ensured mechanism's required impact strength of enough dividing, close a floodgate.
Claims (4)
1. high-tension switch cabinet operation interlocking mechanism, comprise isolating switch main shaft (4) and the grounding switch main shaft (3) all with connecting lever (8), and panel (21), it is characterized in that: panel (21) is upper is provided with through hole (22) corresponding to isolating switch main shaft (4) and grounding switch main shaft (3); The side of the upper line of centres corresponding to isolating switch main shaft (4) and grounding switch main shaft (3) of panel (21) is provided with bearing pin (12), is provided with baffle plate (13) on bearing pin (12); The two ends up and down of baffle plate (13) are corresponding with described through hole (22) respectively; The upper end of described baffle plate (13) is provided with restoring force direction for the first back-moving spring (11) away from isolating switch main shaft (4) direction; Described isolating switch main shaft (4) is upper is provided with the first half circular shafts (17) corresponding to the upper end of baffle plate (13), and described grounding switch main shaft (4) is upper is provided with the second half circular shafts (10) corresponding to the lower end of baffle plate (13); Between described the first half circular shafts (17) and the second half circular shafts (10), differ 90 ° of angles; Described panel (21) inner side is provided with arm-tie (15), is provided with the gear hole (14) corresponding with described through hole (22) on arm-tie (15); On described panel (21), be provided with the connected restoring force direction of same arm-tie (15) the second back-moving spring (9) upwards; On described panel (21), be provided with vertical chute (18), vertical chute (18) is corresponding with described arm-tie (15).
2. high-tension switch cabinet operation interlocking according to claim 1 mechanism, is characterized in that: on described grounding switch main shaft (4), be provided with locking bar (20).
3. high-tension switch cabinet operation interlocking according to claim 1 mechanism, it is characterized in that: the side that is positioned at through hole (22) on described panel (21) is provided with indicator hole (16), described arm-tie (15) is upper is provided with cue mark (23) corresponding to indicator hole (16).
4. high-tension switch cabinet operation interlocking according to claim 1 mechanism, is characterized in that: on described arm-tie (15), be provided with accessory plate (19); The same arm-tie of described the second back-moving spring (9) (15) is connected, and the same accessory plate of described chute (19) is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042083.6U CN203760366U (en) | 2014-01-23 | 2014-01-23 | High-voltage switch cabinet operation interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042083.6U CN203760366U (en) | 2014-01-23 | 2014-01-23 | High-voltage switch cabinet operation interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760366U true CN203760366U (en) | 2014-08-06 |
Family
ID=51255611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042083.6U Expired - Fee Related CN203760366U (en) | 2014-01-23 | 2014-01-23 | High-voltage switch cabinet operation interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288562A (en) * | 2018-02-08 | 2018-07-17 | 南京乾鑫电器设备有限公司 | A kind of high-pressure inflating cabinet and high-pressure inflating cabinet mechanical interlocks |
| CN108630483A (en) * | 2018-06-28 | 2018-10-09 | 董佃平 | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch |
| CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
-
2014
- 2014-01-23 CN CN201420042083.6U patent/CN203760366U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288562A (en) * | 2018-02-08 | 2018-07-17 | 南京乾鑫电器设备有限公司 | A kind of high-pressure inflating cabinet and high-pressure inflating cabinet mechanical interlocks |
| CN108288562B (en) * | 2018-02-08 | 2024-04-02 | 南京乾鑫电器设备有限公司 | High-pressure inflating cabinet and mechanical interlocking device thereof |
| CN108630483A (en) * | 2018-06-28 | 2018-10-09 | 董佃平 | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch |
| CN108630483B (en) * | 2018-06-28 | 2024-03-26 | 董佃平 | Five-prevention interlocking operating mechanism of medium-high voltage switch cabinet |
| CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20200123 |