CN204834469U - Transformer neutal point earthing protection device's transmission operating device - Google Patents
Transformer neutal point earthing protection device's transmission operating device Download PDFInfo
- Publication number
- CN204834469U CN204834469U CN201520560696.3U CN201520560696U CN204834469U CN 204834469 U CN204834469 U CN 204834469U CN 201520560696 U CN201520560696 U CN 201520560696U CN 204834469 U CN204834469 U CN 204834469U
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- China
- Prior art keywords
- transmission operation
- base
- gear
- protection device
- transmission
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- Expired - Fee Related
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Abstract
The utility model discloses a transformer neutal point earthing protection device's transmission operating device, the base is installed on the steel bracket top, install the flange base on the base, install the isolator insulator on the flange base, transmission operation bottom plate fixed mounting is on the flange base, fixed mounting has the gear base on transmission operation bottom plate, install drive gear on the gear base, the contact connection pole is moved to last being connected with of drive gear, the transmission curb plate is installed on transmission operation bottom plate, the rack constitutes gear drive with drive gear, the lower extreme of rack is connected with the slide bar, the slide bar passes the hole on the transmission operation bottom plate, the slide bar lower extreme is connected with the insulator spindle, the insulator spindle bottom is connected with the action bars. This operating device can be convenient to the operation of opening and shutting of transformer neutal point earthing protection device, the operation process convenient and fast that opens and shuts, safe and reliable.
Description
Technical field
The utility model relates to transformer safety operating means technical field, particularly relates to the transmission operation mechanism of transformer neutral point earth protection device.
Background technology
At present, operation transmission mechanism during the earthing isolator deciliter of general neutral point of main transformer protective device adopts connecting lever transmission, isolation switch contact deciliter time need a horizontal force to be closed by moving contact or disconnect, and when using connecting lever transmission, during rotation, driving torque has horizontal and vertical two components, along with the change of the anglec of rotation, two components also constantly change, when moving contact deciliter, just its horizontal component reaches minimum, adopt when to carry out in this way deciliter, very large strength is needed even sometimes to be difficult to separately, the situation that frequent appearance cannot separate, therefore need the transmission operation mechanism of development and Design protective device thus well solve the problem.
Utility model content
The purpose of this utility model provides the transmission operation mechanism of transformer neutral point earth protection device; this operating mechanism can carry out switching action to transformer neutral point earth protection device easily; switching action process is convenient and swift; safe and reliable; and labour-saving object can be reached; ensure that Contact Breaking/Making Operations is timely and effective smoothly, make the advantages such as equipment operating coefficient of safety is high, good stability.
In order to realize above-mentioned technical characteristic, the purpose of this utility model is achieved in that the transmission operation mechanism of transformer neutral point earth protection device, it comprises steel bracket, steel bracket top is provided with base, base is provided with flange base, flange base is provided with isolation switch insulation, transmission operation base plate is fixedly mounted on flange base, transmission operation base plate is installed with gear base, gear base is provided with travelling gear, travelling gear is connected with moving contact connecting rod, transmission side plate is arranged on transmission operation base plate, tooth bar and travelling gear form gear drive, the lower end of tooth bar is connected with sliding bar, sliding bar is through the hole on transmission operation base plate, sliding bar lower end is connected with insulating bar, action bars is connected with bottom insulating bar.
Described travelling gear is half gear, can rotate under the engaged transmission effect of tooth bar.
Described insulating bar adopts insulating rubber material to make.
Described sliding bar can slide on transmission operation base plate.
Described moving contact connecting rod and isolation switch insulation match realize isolating switch deciliter.
The utility model has following beneficial effect:
First transmission operation base plate is arranged on flange base in use, then travelling gear to be arranged on gear base and to be fixed on transmission operation base plate, tooth bar is matched with travelling gear, nutating gear just can be with around central axis by sliding up and down tooth bar, and then drive the moving contact connecting rod be arranged on travelling gear to rotate, turn to certain angle moving contact connecting rod to contact with isolation switch insulation, and then isolating switch is connected, when needs are by switch timesharing, only need to pass through pull joystick, action bars just can drive insulating bar, sliding bar and tooth bar move down, the travelling gear be meshed with tooth bar rotates, and then drive moving contact connecting rod to be separated with isolation switch insulation, realize separating of isolating switch.
Adopt said structure can make the closed and separately more laborsaving convenient of isolating switch, and improved by the coefficient of safety that insulating bar can be operating process, ensure that the fail safe of operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the utility model overall structure schematic diagram.
In figure: isolation switch insulation 1, moving contact connecting rod 2, tooth bar 3, transmission side plate 4, flange base 5, transmission operation base plate 6, travelling gear 7, gear base 8, sliding bar 9, insulating bar 10, action bars 11, base 12, steel bracket 13.
Embodiment
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further.
As shown in Figure 1, the transmission operation mechanism of transformer neutral point earth protection device, it comprises steel bracket 13, steel bracket 13 top is provided with base 12, base 12 is provided with flange base 5, flange base 5 is provided with isolation switch insulation 1, transmission operation base plate 6 is fixedly mounted on flange base 5, transmission operation base plate 6 is installed with gear base 8, gear base 8 is provided with travelling gear 7, travelling gear 7 is connected with moving contact connecting rod 2, transmission side plate 4 is arranged on transmission operation base plate 6, tooth bar 3 and travelling gear 7 form gear drive, the lower end of tooth bar 3 is connected with sliding bar 9, sliding bar 9 is through the hole on transmission operation base plate 6, sliding bar 9 lower end is connected with insulating bar 10, action bars 11 is connected with bottom insulating bar 10.
Further, described travelling gear 7 is half gear, can rotate under the engaged transmission effect of tooth bar 3.Can be limited the driving angle of travelling gear 7 by half gear structure, play spacing effect.
Further, described insulating bar 10 adopts insulating rubber material to make.Adopt insulating bar 10 action bars 11 and tooth bar 3 to be separated by leave, ensure that fail safe, prevent the danger of getting an electric shock.
Further, described sliding bar 9 can slide on transmission operation base plate 6.The engaged transmission between tooth bar 3 and travelling gear 7 can be ensured by being slidably matched, travelling gear 7 is rotated, and then drive the rotation of moving contact connecting rod 2, realize the folding of itself and isolation switch insulation 1.
Further, described moving contact connecting rod 2 match with isolation switch insulation 1 realize isolating switch deciliter.
The course of work of the present utility model and principle are:
First transmission operation base plate 6 is arranged on flange base 5 in use, then travelling gear 7 to be arranged on gear base 8 and to be fixed on transmission operation base plate 6, tooth bar 3 is matched with travelling gear 7, when needs carry out closed procedure, manual promotion action bars 11, and then band carry-over bar 3 upward sliding, tooth bar 3 just can be with nutating gear 7 around central axis, and then drive the moving contact connecting rod 2 be arranged on travelling gear 7 to rotate, turn to certain angle moving contact connecting rod 2 to contact with isolation switch insulation 1, and then isolating switch is connected.
When needs are by switch timesharing, only need by pull joystick 11, action bars 11 just can drive insulating bar 10, sliding bar 9 and tooth bar 3 to move down, the travelling gear 7 be meshed with tooth bar 3 rotates, and then drive moving contact connecting rod 2 to be separated with isolation switch insulation 1, realize separating of isolating switch.
Adopt said structure can make the closed and separately more laborsaving convenient of isolating switch, and improved by the coefficient of safety that insulating bar 10 can be operating process, ensure that the fail safe of operation.
Above-described embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection range of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection range of the present utility model.
Claims (5)
1. the transmission operation mechanism of transformer neutral point earth protection device, it comprises steel bracket (13), steel bracket (13) top is provided with base (12), base (12) is provided with flange base (5), flange base (5) is provided with isolation switch insulation (1), it is characterized in that: transmission operation base plate (6) is fixedly mounted on flange base (5), transmission operation base plate (6) is installed with gear base (8), gear base (8) is provided with travelling gear (7), travelling gear (7) is connected with moving contact connecting rod (2), transmission side plate (4) is arranged on transmission operation base plate (6), tooth bar (3) and travelling gear (7) form gear drive, the lower end of tooth bar (3) is connected with sliding bar (9), sliding bar (9) is through the hole on transmission operation base plate (6), sliding bar (9) lower end is connected with insulating bar (10), insulating bar (10) bottom is connected with action bars (11).
2. the transmission operation mechanism of transformer neutral point earth protection device according to claim 1, is characterized in that: described travelling gear (7) is half gear, can rotate under the engaged transmission effect of tooth bar (3).
3. the transmission operation mechanism of transformer neutral point earth protection device according to claim 1, is characterized in that: described insulating bar (10) adopts insulating rubber material to make.
4. the transmission operation mechanism of transformer neutral point earth protection device according to claim 1, is characterized in that: described sliding bar (9) can in the upper slip of transmission operation base plate (6).
5. the transmission operation mechanism of transformer neutral point earth protection device according to claim 1, is characterized in that: described moving contact connecting rod (2) match with isolation switch insulation (1) realize isolating switch deciliter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560696.3U CN204834469U (en) | 2015-07-30 | 2015-07-30 | Transformer neutal point earthing protection device's transmission operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560696.3U CN204834469U (en) | 2015-07-30 | 2015-07-30 | Transformer neutal point earthing protection device's transmission operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834469U true CN204834469U (en) | 2015-12-02 |
Family
ID=54692040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560696.3U Expired - Fee Related CN204834469U (en) | 2015-07-30 | 2015-07-30 | Transformer neutal point earthing protection device's transmission operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834469U (en) |
-
2015
- 2015-07-30 CN CN201520560696.3U patent/CN204834469U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151202 Termination date: 20200730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |