CN202258889U - Mechanical interlocking device of dual-power inflation cabinet - Google Patents
Mechanical interlocking device of dual-power inflation cabinet Download PDFInfo
- Publication number
- CN202258889U CN202258889U CN2011204103526U CN201120410352U CN202258889U CN 202258889 U CN202258889 U CN 202258889U CN 2011204103526 U CN2011204103526 U CN 2011204103526U CN 201120410352 U CN201120410352 U CN 201120410352U CN 202258889 U CN202258889 U CN 202258889U
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- slide plate
- divide
- lock
- main shaft
- shut brake
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- Expired - Fee Related
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Abstract
The utility model relates to a mechanical interlocking device of a dual-power inflation cabinet. The mechanical interlocking device consists of two sets of load switches which are the same and are arranged side by side. Each set of load switch is connected with a power supply system. Each set of load switch comprises a mounting plate. An application lock and a switching-on and switching-off spindle are arranged on each mounting plate. A key of each application lock can be taken out when a lock cylinder extends out. A fixed ring is arranged on each switching-on and switching-off spindle. A baffle is arranged on each fixed ring. A sliding plate is arranged on the mounting plate between each application lock and the corresponding switching-on and switching-off spindle. A spring is arranged at one end of each sliding plate. The upper end of each sliding plate is contacted with the lock cylinder of the corresponding application lock, so that the sliding plate is linked with the application lock. When each lock cylinder extends out, the corresponding switching-on and switching-off spindle is partly shielded by the upper end of the corresponding sliding plate. A forced interlocking function is realized through the mechanical interlocking device, and the mechanical interlocking device is safe, reliable, convenient and durable, and is also simple to manufacture and install and low in cost.
Description
Technical field
The utility model relates to the safety device of switchgear, promptly a kind of mechanical interlock of duplicate supply inflation cabinet.
Background technology
According to GB3906-2006 3.6KV-40.5KV ac metal closing switch gear and control appliance standard; Metal enclosed switchgear " five is anti-" function is carried out the requirement of mandatory locking; Switchgear to being designed with the duplicate supply scheme should be installed interlock, to prevent misoperation.Double power-supply load swith wherein has one in the separating brake position, and another switch could be operated.In order to prevent misoperation, and must be designed with mechanical interlock, adopt the reliable mechanical procedure lock to carry out locking each other between two switching mechanisms, mandatoryly stop two possibilities that on-load switch closes a floodgate simultaneously.Be a kind of safety guarantee that users use this equipment, its purpose of design is the mandatory generation that stops the person and device security accident with effect.
The mechanical interlocked safety device design defect of duplicate supply in the past mainly shows when a switch is in "on" position, and key can take out.Do not realize mandatory interlocking, reliability is not high.In a single day misoperation appears in the user, makes two road service entrance switchs close a floodgate charged simultaneously and causes short circuit, causes the serious accident of equipment burnout.This is to cause owing to lacking the mechanical interlocked safety device with mandatory about means in operation.Therefore, the mechanical interlocked safety device of present domestic like product also fails to reach the requirement that prevents the mandatory interlocking of duplicate supply.
Summary of the invention
The purpose of the utility model is to overcome traditional incomplete shortcoming of all insulation metal enclosed switchgear duplicate supply interlock safety function, provides a kind of ability mandatory mechanical interlocked safety device.
The mechanical interlock of this duplicate supply inflation cabinet is made up of two covers on-load switch identical, that install side by side, and every cover on-load switch all links to each other with a power-supply system; Every cover on-load switch all comprises mounting panel, procedure lock, retainer ring, spring and slide plate, it is characterized in that, procedure lock and divide-shut brake main shaft are installed on the mounting panel; The key of procedure lock only could take out when lock core stretches out; On the divide-shut brake main shaft, retainer ring is housed, baffle plate is housed on the retainer ring, on the mounting panel in the middle of procedure lock and the divide-shut brake main shaft, slide plate is arranged; At slide plate one end spring is installed; The slide plate upper end contacts with the lock core of procedure lock, makes it and the procedure lock interlock, and the divide-shut brake main shaft portion is blocked in the slide plate upper end when lock core stretches out.
In the mounting panel outside panel is housed; With the two identical corresponding procedure locks of on-load switch of cover and the position of divide-shut brake main shaft two circular holes are arranged respectively on the panel; Be procedure lock handle hole and divide-shut brake main shaft handle hole, an elongated hole also respectively arranged, i.e. the slide plate slides hole; Slide plate is inserted in the slide plate slides hole, also has switch deciliter state indicator hole and electrification display installing hole.
The closing operation process is following: when two on-load switches are under the gate-dividing state simultaneously; The procedure lock key is inserted in the procedure lock lockhole of an on-load switch wherein; The procedure lock key turns clockwise; The procedure lock lock core is regained, and slide plate is opened divide-shut brake main shaft handle hole under the effect of spring simultaneously.The operator inserts divide-shut brake main shaft operating grip on the divide-shut brake main shaft, and dextrorotation turn 90 degrees.The main switch energized.The baffle plate of the protrusion on the retainer ring is keeping off slide plate slides at this moment, has stoped the procedure lock lock core to stretch out, thereby can't take out the procedure lock key.This moment, on-load switch was in "on" position.Because key does not take out, and can't operate another on-load switch, thereby reach the purpose of forcing interlocking.As shown in Figure 2.
The sub-switching operation process is following: the operator inserts divide-shut brake main shaft operating grip on the divide-shut brake main shaft, is rotated counterclockwise 90 degree.The on-load switch main contact separately.The baffle plate of the protrusion on the retainer ring also revolves with the same direction of divide-shut brake main shaft and turn 90 degrees at this moment; After the operator extracts divide-shut brake main shaft operating grip out; Turn procedure lock key 180 is spent counterclockwise; Make the procedure lock lock core promote slide plate and slide, operating grip can't be inserted on the divide-shut brake main shaft, thus also can't operational load switch divide-shut brake.Switch will be in gate-dividing state, and the procedure lock key takes out.As shown in Figure 1.
The interlock of the utility model has been realized mandatory interlock function, and is safe and reliable, and convenient durable, fabrication and installation simultaneously are simple, and cost is lower.
Description of drawings
Fig. 1 is the utility model bowline structure gate-dividing state sketch map.
Fig. 2 is the utility model bowline structure "on" position sketch map.
Fig. 3 is the utility model Portuguese bowline structure structural representation
Among the figure: 1, mounting panel, 2, procedure lock, 3, spring, 4, slide plate; 5, retainer ring, 6, the procedure lock key, 7, the divide-shut brake main shaft, 8, lock core; 9, baffle plate, 10, panel, 11, the procedure lock handle hole, 12, divide-shut brake main shaft handle hole; 13, slide plate slides hole, 14, switch deciliter state indicator hole, 15, the electrification display installing hole.
Embodiment
Below in conjunction with figure, the embodiment of the utility model is described in detail as follows:
In Fig. 1 and Fig. 2, the mechanical interlock of this duplicate supply inflation cabinet is made up of two covers on-load switch identical, that install side by side; Every cover on-load switch all links to each other with a power-supply system, and every cover on-load switch all comprises mounting panel 1, procedure lock 2, retainer ring 5, spring 3 and slide plate 4, and procedure lock 2 and divide-shut brake main shaft 7 are installed on the mounting panel 1; The key of procedure lock 2 only could take out when lock core 8 stretches out; Retainer ring 5 is housed on divide-shut brake main shaft 7, baffle plate 9 is housed on the retainer ring 5, on the mounting panel 1 in the middle of procedure lock 2 and the divide-shut brake main shaft 7, slide plate 4 is arranged; At slide plate 4 one ends spring 3 is installed; Slide plate 4 upper ends contact with the lock core 8 of procedure lock, make it and procedure lock 2 interlocks, and slide plate 4 upper ends are with divide-shut brake main shaft 7 partial occlusions when lock core 8 stretches out.
Among Fig. 3; In mounting panel 1 outside panel 10 is housed, with the position of divide-shut brake main shaft two circular holes is arranged respectively with the identical corresponding procedure lock of on-load switch of two covers on the panel 10, i.e. procedure lock handle hole 11 and divide-shut brake main shaft handle hole 12; An elongated hole is also respectively arranged; Be slide plate slides hole 13, slide plate 4 is inserted in the slide plate slides hole 13, also has switch deciliter state indicator hole 14 and electrification display installing hole 15.
In Fig. 2; The closing operation process is following: when two on-load switches are under the gate-dividing state simultaneously; The key of procedure lock 2 is inserted in the procedure lock lockhole of an on-load switch wherein, the procedure lock key that turns clockwise is regained procedure lock lock core 8; Slide plate 4 is opened divide-shut brake main shaft handle hole 12 under the effect of spring 3 simultaneously.The operator inserts divide-shut brake main shaft operating grip on divide-shut brake main shaft 7, and dextrorotation turn 90 degrees.The main switch energized.The baffle plate 9 of the protrusion on the retainer ring 5 is keeping off slide plate 4 and is sliding at this moment, has stoped procedure lock lock core 8 to stretch out, thereby can't take out the procedure lock key.This moment, on-load switch was in "on" position.Because key does not take out, and can't operate another on-load switch, thereby reach the purpose of forcing interlocking.
In Fig. 1, the sub-switching operation process is following: the operator inserts divide-shut brake main shaft operating grip on the divide-shut brake main shaft 7, is rotated counterclockwise 90 degree.The on-load switch main contact separately.The baffle plate 9 of the protrusion on the retainer ring 5 also revolves with divide-shut brake main shaft 7 same directions and turn 90 degrees at this moment; After the operator extracts divide-shut brake main shaft operating grip out; Turn procedure lock 2 keys 180 are spent counterclockwise; Make the procedure lock lock core promote slide plate 4 and slide, operating grip can't be inserted on the divide-shut brake main shaft 7, thus also can't operational load switch divide-shut brake.Switch will be in gate-dividing state, and the procedure lock key takes out.
Claims (2)
1. the mechanical interlock of a duplicate supply inflation cabinet is made up of two covers on-load switch identical, that install side by side, and every cover on-load switch all links to each other with a power-supply system; Every cover on-load switch all comprises mounting panel, procedure lock, retainer ring, spring and slide plate, it is characterized in that, procedure lock and divide-shut brake main shaft are installed on the mounting panel; The key of procedure lock only could take out when lock core stretches out; On the divide-shut brake main shaft, retainer ring is housed, baffle plate is housed on the retainer ring, on the mounting panel in the middle of procedure lock and the divide-shut brake main shaft, slide plate is arranged; At slide plate one end spring is installed; The slide plate upper end contacts with the lock core of procedure lock, makes it and the procedure lock interlock, and the divide-shut brake main shaft portion is blocked in the slide plate upper end when lock core stretches out.
2. the mechanical interlock of a kind of duplicate supply inflation cabinet according to claim 1 is characterized in that, in the mounting panel outside panel is housed; With the two identical corresponding procedure locks of on-load switch of cover and the position of divide-shut brake main shaft two circular holes are arranged respectively on the panel; Be procedure lock handle hole and divide-shut brake main shaft handle hole, an elongated hole also respectively arranged, i.e. the slide plate slides hole; Slide plate is inserted in the slide plate slides hole, also has switch deciliter state indicator hole and electrification display installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204103526U CN202258889U (en) | 2011-10-25 | 2011-10-25 | Mechanical interlocking device of dual-power inflation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204103526U CN202258889U (en) | 2011-10-25 | 2011-10-25 | Mechanical interlocking device of dual-power inflation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258889U true CN202258889U (en) | 2012-05-30 |
Family
ID=46120095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204103526U Expired - Fee Related CN202258889U (en) | 2011-10-25 | 2011-10-25 | Mechanical interlocking device of dual-power inflation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258889U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456532A (en) * | 2013-08-15 | 2013-12-18 | 国家电网公司 | Low-voltage knife switch locking device in low-voltage screen |
| CN105374593A (en) * | 2015-11-27 | 2016-03-02 | 浙江容大电力设备制造有限公司 | Mechanical locking device between 10KV looped network cabinet and centrally installed cabinet |
| CN106158454A (en) * | 2016-08-26 | 2016-11-23 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of interlock for high-tension switch cabinet |
| CN107680851A (en) * | 2017-11-24 | 2018-02-09 | 彭显刚 | A kind of ring main unit procedure lock interlock |
-
2011
- 2011-10-25 CN CN2011204103526U patent/CN202258889U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456532A (en) * | 2013-08-15 | 2013-12-18 | 国家电网公司 | Low-voltage knife switch locking device in low-voltage screen |
| CN105374593A (en) * | 2015-11-27 | 2016-03-02 | 浙江容大电力设备制造有限公司 | Mechanical locking device between 10KV looped network cabinet and centrally installed cabinet |
| CN106158454A (en) * | 2016-08-26 | 2016-11-23 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of interlock for high-tension switch cabinet |
| CN107680851A (en) * | 2017-11-24 | 2018-02-09 | 彭显刚 | A kind of ring main unit procedure lock interlock |
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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: 20120530 Termination date: 20161025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |