CN204303650U - A kind of ground cutter of high pressure fixed switchgear and back door interlocking device - Google Patents
A kind of ground cutter of high pressure fixed switchgear and back door interlocking device Download PDFInfo
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- CN204303650U CN204303650U CN201420839990.3U CN201420839990U CN204303650U CN 204303650 U CN204303650 U CN 204303650U CN 201420839990 U CN201420839990 U CN 201420839990U CN 204303650 U CN204303650 U CN 204303650U
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- back door
- high pressure
- ground
- pressure fixed
- interlocking device
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Abstract
The utility model provides a kind of ground cutter and back door interlocking device of high pressure fixed switchgear, comprise in switch cubicle and be provided with ground knife-like switch operating axis, it is characterized in that: one end is fixedly connected on the connecting lever on ground knife-like switch operating axis, its other end connects the upper end of a connecting rod, connecting rod like this can rotate with connecting lever and move up and down, the lower end of connecting rod is hinged with one end of a horizontal anomalous movement bar, the other end of motion bar is provided with a latch hook, the middle part of motion bar is hinged on a support member also can rotate around support member, the back door of described high pressure fixed switchgear is provided with a locked groove coordinated with latch hook.The utility model adopts the latch hook be connected with ground knife-like switch operating axis to block back door when back door makes ground knife-like switch separating brake and can not be opened by toward external, and when local knife-like switch closes a floodgate, back door can be pulled open outward, thus realize back door and the interlocking of room machine of cutter.
Description
Technical field
The utility model relates to a kind of ground cutter and back door interlocking device of high pressure fixed switchgear.
Background technology
High pressure fixed switchgear belongs to high voltage distribution installation, be mainly used in power plant, the power transmission of medium and small generator, powered, the power transmission of power system secondary substation, the distribution of industrial and mineral enterprises and institutions, and the starting etc. of Large-scale High-Pressure motor, be widely used important controller switching equipment in power system.But the high-voltage fixing cabinet produced at present, if lower ground cutter does not close a floodgate, when back door is opened, if line side is charged, operating personnel just have the danger of mistakenly entering charged chamber.And cutter and back door can only realize mechanical interlocking by steel cord structure at present, steel wire rope is more or occur touching and scrape at number of operations, easily causes fracture, thus makes interlock fault.
Utility model content
Technical problem to be solved in the utility model, is just to provide a kind of ground cutter and back door interlocking device of high pressure fixed switchgear, can realize safely realizing mechanical interlocking between back door and ground cutter.
Solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of ground cutter of high pressure fixed switchgear and back door interlocking device, ground knife-like switch operating axis is provided with in described switch cubicle, it is characterized in that: one end is fixedly connected on the connecting lever on ground knife-like switch operating axis, its other end connects the upper end of a connecting rod, connecting rod like this can rotate with connecting lever and move up and down, the lower end of connecting rod is hinged with one end of a horizontal anomalous movement bar, the other end of motion bar is provided with a latch hook, the middle part of motion bar is hinged on a support member also can rotate around support member, and the back door of described high pressure fixed switchgear is provided with a locked groove coordinated with latch hook.
During use, when local cutter is in gate-dividing state, motion bar is in level, and latch hook and locked groove close, and back door is fastened by motion bar, and back door can not be opened outward, and operating personnel can not enter switch cubicle; When local cutter closes a floodgate, ground knife-like switch operating axis rotates, connecting lever is followed the knife-like switch operating axis that lands and is turned an angle, and at this moment connecting rod moves down, motion bar and the hinged one end of connecting rod are connected bar and drive and sink, owing to being connected with support member in the middle part of motion bar as fulcrum, at this moment motion bar with one end of latch hook toward upwarping, liberation back door, back door can be pulled open outward.
The structure that the middle part of described motion bar is hinged on a support member is: one is fixed on gripper shoe on switch cubicle side plate and one end is vertically fixed on connecting axle in gripper shoe, the other end of described connecting axle and the middle part of motion bar hinged.
Described latch hook be one with horizontal anomalous movement bar crotch vertically downward.Described locked groove is be fixed on intermediate projections on back door to leave the orifice plate that crotch inserts space.
Described orifice plate adopts set bolt to be fixed on back door.
Compared with prior art, the utility model instrument has the following advantages:
The utility model adopts the latch hook be connected with ground knife-like switch operating axis to block back door when back door makes ground knife-like switch separating brake and can not be opened by toward external, and when local knife-like switch closes a floodgate, back door can be pulled open outward, thus realize back door and the interlocking of room machine of cutter.
Accompanying drawing explanation
Schematic perspective view when Fig. 1 is use of the present utility model;
Front view when Fig. 2 is use of the present utility model;
Right view when Fig. 3 is use of the present utility model;
Left view when Fig. 4 is use of the present utility model;
Cutter combined floodgate schematic diagram in ground when Fig. 5 is use of the present utility model;
Cutter separating brake schematic diagram in ground when Fig. 6 is use of the present utility model.
In figure: 1-back door, 2-ground cutter, 3-switching manipulation axle, 4-side plate, 5-connecting lever, 6-connecting rod, 7-motion bar, 8-gripper shoe, 9-locked groove, 10-connecting axle.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
As Fig. 1, 2, 3, 4, 5, shown in 6, a kind of ground cutter of high pressure fixed switchgear and back door interlocking device, ground knife-like switch operating axis 3 is provided with in described switch cubicle, one end is fixedly connected on the connecting lever 5 on ground knife-like switch operating axis 3, its other end connects the upper end of a connecting rod 6, connecting rod 6 like this can rotate with connecting lever 5 and moves up and down, the lower end of connecting rod 6 is hinged with one end of a horizontal anomalous movement bar 7, the other end of motion bar 7 is provided with a latch hook, the middle part of motion bar 7 is hinged on a support member also can rotate around support member, the back door of described high pressure fixed switchgear is provided with a locked groove coordinated with latch hook 9.
During use, when local cutter 2 is in gate-dividing state, motion bar is in level, and latch hook and locked groove close, and back door is fastened by motion bar, and back door can not be opened outward, and operating personnel can not enter switch cubicle; When local cutter closes a floodgate, ground knife-like switch operating axis rotates, connecting lever is followed the knife-like switch operating axis that lands and is turned an angle, and at this moment connecting rod moves down, motion bar and the hinged one end of connecting rod are connected bar and drive and sink, owing to being connected with support member in the middle part of motion bar as fulcrum, at this moment motion bar with one end of latch hook toward upwarping, liberation back door, back door can be pulled open outward.
The structure that the middle part of described motion bar 7 is hinged on a support member is: support member comprises one and is fixed on gripper shoe 8 on switch cubicle side plate 4 and one end and is vertically fixed on connecting axle 10 in gripper shoe, the other end of described connecting axle 10 and the middle part of motion bar 7 hinged.Thus motion bar can take connecting axle as fulcrum.
Described latch hook be one with horizontal anomalous movement bar 7 crotch vertically downward.Described locked groove 9 leaves for being fixed on intermediate projections on back door 1 orifice plate that crotch inserts space.When switch is in gate-dividing state, crotch injects locked groove thus blocks back door; When switch is in "on" position, crotch is transferred to from locked groove along with the rotation of motion bar, and the state of blocking is untied at back door, and back door can be pulled open outward.
Described orifice plate adopts set bolt to be fixed on back door.When catching phenomenon appears in interlock, by unloading the set bolt on orifice plate, emergency release function can be realized.
Claims (5)
1. the ground cutter of a high pressure fixed switchgear and back door interlocking device, comprise in switch cubicle and be provided with ground knife-like switch operating axis, it is characterized in that: one end is fixedly connected on the connecting lever on ground knife-like switch operating axis, its other end connects the upper end of a connecting rod, the lower end of connecting rod is hinged with one end of a horizontal anomalous movement bar, the other end of motion bar is provided with a latch hook, and the middle part of motion bar is hinged on a support member also can rotate around support member;
The back door of described high pressure fixed switchgear is provided with a locked groove coordinated with latch hook.
2. the ground cutter of high pressure fixed switchgear according to claim 1 and back door interlocking device, it is characterized in that: described supporting piece structure is one be fixed on gripper shoe on switch cubicle side plate and one end and be vertically fixed on connecting axle in gripper shoe, the other end of described connecting axle and the middle part of motion bar hinged.
3. the ground cutter of high pressure fixed switchgear according to claim 2 and back door interlocking device, is characterized in that: described latch hook be one with horizontal anomalous movement bar crotch vertically downward.
4. the ground cutter of high pressure fixed switchgear according to claim 3 and back door interlocking device, is characterized in that: described locked groove is be fixed on intermediate projections on back door to leave the orifice plate that crotch inserts space.
5. the ground cutter of high pressure fixed switchgear according to claim 4 and back door interlocking device, is characterized in that: described orifice plate adopts set bolt to be fixed on back door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839990.3U CN204303650U (en) | 2014-12-26 | 2014-12-26 | A kind of ground cutter of high pressure fixed switchgear and back door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839990.3U CN204303650U (en) | 2014-12-26 | 2014-12-26 | A kind of ground cutter of high pressure fixed switchgear and back door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303650U true CN204303650U (en) | 2015-04-29 |
Family
ID=53109172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420839990.3U Active CN204303650U (en) | 2014-12-26 | 2014-12-26 | A kind of ground cutter of high pressure fixed switchgear and back door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303650U (en) |
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2014
- 2014-12-26 CN CN201420839990.3U patent/CN204303650U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |