CN204130391U - A kind of grounding interlocking device - Google Patents
A kind of grounding interlocking device Download PDFInfo
- Publication number
- CN204130391U CN204130391U CN201420407046.0U CN201420407046U CN204130391U CN 204130391 U CN204130391 U CN 204130391U CN 201420407046 U CN201420407046 U CN 201420407046U CN 204130391 U CN204130391 U CN 204130391U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- locking part
- crank arm
- interlocking device
- transmission crank
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a kind of grounding interlocking device, is arranged on the cabinet of switch cubicle, comprises Qianmen locking part and ground connection locking part; The operating axis end of described Qianmen locking part is provided with connecting lever, and described connecting lever is connected with described ground connection locking part by link rod; Described ground connection locking part comprises earthed switch assembly and the rotating shaft through described earthed switch assembly; One end of described rotating shaft is connected with described link rod by transmission crank arm, and the other end of described rotating shaft is provided with locking hook, and described locking hook is connected with the female locking support of described cabinet Rear Door, to realize the switch control rule to described cabinet back door.Beneficial effect is: Qianmen locking part is connected with ground connection locking part, achieves interlocking interlock, safe and reliable; The unique design of transmission crank arm, rotating shaft and connector, interlock is operated extremely simple, safety, Qianmen and back door can be opened simultaneously, are convenient to maintenance maintenance.
Description
Technical field
The utility model relates to interlock technical field, especially relates to a kind of grounding interlocking device.
Background technology
In high pressure assembled electric equipment, the safeguard protection custom for isolating switch, vacuum contactor, vacuum circuit-breaker, metering handcart, cabinet door is called that five prevent.As everyone knows, major loop is made up of isolating switch, vacuum contactor and high-voltage load, in primary heat transport system, cabinet door, vacuum contactor and isolating switch must be carried out interlocking and could embody above-mentioned five and prevent.The five concrete intensions of preventing are: one, prevent on-load separating brake or combined floodgate; Two, prevent from dividing by mistake, closing isolating switch; False switching when three, preventing earthed switch from closing; Four, prevent charged mistiming from closing earthed switch; Five, mistakenly entering into charged gap is prevented.And five will be realized anti-must to ensure: one, first disconnect vacuum contactor, then disconnect isolating switch, cause high-voltage arc short circuit to prevent on-load disjunction isolating switch; Two, only have disconnection isolating switch and just will can open the cabinet door in hyperbaric chamber after carrying ground, preventing staff be strayed into electrification in high voltage gap and cause the accident; Three, when cabinet door open mode, do not allow to close isolating switch, avoid the introducing of high pressure and jeopardize personal safety.
Therefore, a kind of structure is simple, and the grounding interlocking device that can realize above-mentioned functions occurs necessary.
Utility model content
The utility model provides the grounding interlocking device that a kind of structure is simple, easy and simple to handle, protective is good, reliability is high.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of grounding interlocking device, is arranged on the cabinet of switch cubicle, comprises Qianmen locking part and ground connection locking part; The operating axis end of described Qianmen locking part is provided with connecting lever, and described connecting lever is connected with described ground connection locking part by link rod; Described ground connection locking part comprises earthed switch assembly and the rotating shaft through described earthed switch assembly; One end of described rotating shaft is connected with described link rod by transmission crank arm, and the other end of described rotating shaft is provided with locking hook, and described locking hook is connected with the female locking support of described cabinet Rear Door, to realize the switch control rule to described cabinet back door.
As preferred technical scheme, the cylindrical structure of described rotating shaft, runs through on the surface of described rotating shaft and has " V " connected in star.
As preferred technical scheme, described locking hook is fixedly connected with described rotating shaft by connector, the cavity with hollow of described connector, described rotating shaft to be penetrated in this cavity and is fixed by the securing member be arranged on described connector sidewall, ensure that the interlock of described connector and rotating shaft, described locking hook is fixed on the end of described connector by clamp nut, to ensure the interlock of described locking hook and rotating shaft.
As preferred technical scheme, described transmission crank arm is the cylinder of a hollow, is provided with down " V " shape protruding, " V " groove match on described projection and described rotating shaft surface at the inwall of described transmission crank arm, when described transmission crank arm is rotated, ensure that the linkage of described rotating shaft.
As preferred technical scheme, the sidewall of described transmission crank arm is provided with fixing hole, a fastening bolt through this fixing hole and described rotating shaft surface inconsistent, to ensure that described rotating shaft can not come off and rotate.
As preferred technical scheme, between described transmission crank arm and link rod, be also provided with arc connecting lever, so that adjust the keying of described locking hook.
During use, the connecting lever of the operating axis end of described Qianmen locking part is connected with described ground connection locking part by link rod, when rotating described operating axis, further drive link rod moves, rotating shaft is driven to rotate by transmission crank arm, owing to being provided with locking hitch gear at described shaft end, and then achieve the unblock at back door, so easy to maintenance.
The beneficial effect that the utility model has is: (1) Qianmen locking part is connected with ground connection locking part, achieves interlocking interlock, safe and reliable; Operation is extremely simple, safety;
(2) unique design of transmission crank arm, rotating shaft and connector, makes interlock operate extremely simple, safety;
(3) Qianmen and back door can be opened simultaneously, are convenient to maintenance maintenance.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model: a kind of structural representation of grounding interlocking device;
Fig. 2 is the utility model: a kind of structural representation of rotating shaft of grounding interlocking device;
Fig. 3 is the utility model: a kind of structural representation of connector of grounding interlocking device;
Fig. 4 is the utility model: a kind of structural representation of transmission crank arm of grounding interlocking device.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
With reference to shown in Fig. 1-2, a kind of grounding interlocking device, is arranged on the cabinet of switch cubicle, comprises Qianmen locking part 1 and ground connection locking part 2; The operating axis end of described Qianmen locking part 1 is provided with connecting lever 11, and described connecting lever 11 is connected with described ground connection locking part 2 by link rod 3; Described ground connection locking part 2 comprises earthed switch assembly 21 and the rotating shaft 22 through described earthed switch assembly 21; One end of described rotating shaft 22 is connected with described link rod 3 by transmission crank arm 23, the other end of described rotating shaft 22 is provided with locking hook 24, described locking hook 24 is connected with the female locking support 4 of described cabinet Rear Door, to realize the switch control rule to described cabinet back door.Wherein, between described transmission crank arm 23 and link rod 3, be also provided with arc connecting lever 28, so that adjust the keying of described locking hook 24.
With reference to shown in Fig. 2, the cylindrical structure of described rotating shaft 22, runs through on the surface of described rotating shaft and has " V " connected in star 221.
With reference to shown in Fig. 3, described locking hook 24 is fixedly connected with described rotating shaft 22 by connector 25, the cavity with hollow of described connector 25, it is interior and fixing by the securing member 26 be arranged on described connector 25 sidewall that described rotating shaft 22 penetrates this cavity, ensure that the interlock of described connector 25 and rotating shaft 22, described locking hook 24 is fixed on the end of described connector 25 by clamp nut 27, to ensure the interlock of described locking hook 24 and rotating shaft 22.
With reference to shown in Fig. 4, described transmission crank arm 23 is the cylinder of a hollow, " V " shape projection 231 is provided with down at the inwall of described transmission crank arm 23, described protruding 231 match with " V " groove 221 on described rotating shaft 22 surface, when described transmission crank arm 23 is rotated, ensure that the linkage of described rotating shaft 22.
Further, the sidewall of described transmission crank arm 23 is provided with fixing hole 232, and a fastening bolt 233 is inconsistent with described rotating shaft 22 surface through this fixing hole 232, to ensure that described rotating shaft 22 can not come off and rotate.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a grounding interlocking device, is arranged on the cabinet of switch cubicle, it is characterized in that, comprises Qianmen locking part and ground connection locking part; The operating axis end of described Qianmen locking part is provided with connecting lever, and described connecting lever is connected with described ground connection locking part by link rod; Described ground connection locking part comprises earthed switch assembly and the rotating shaft through described earthed switch assembly; One end of described rotating shaft is connected with described link rod by transmission crank arm, and the other end of described rotating shaft is provided with locking hook, and described locking hook is connected with the female locking support of described cabinet Rear Door, to realize the switch control rule to described cabinet back door.
2. a kind of grounding interlocking device according to claim 1, is characterized in that, the cylindrical structure of described rotating shaft, and running through on the surface of described rotating shaft has " V " connected in star.
3. a kind of grounding interlocking device according to claim 1, it is characterized in that, described locking hook is fixedly connected with described rotating shaft by connector, the cavity with hollow of described connector, described rotating shaft to be penetrated in this cavity and is fixed by the securing member be arranged on described connector sidewall, ensure that the interlock of described connector and rotating shaft, described locking hook is fixed on the end of described connector by clamp nut
To ensure the interlock of described locking hook and rotating shaft.
4. a kind of grounding interlocking device according to claim 1 and 2, it is characterized in that, described transmission crank arm is the cylinder of a hollow, " V " shape is provided with down protruding at the inwall of described transmission crank arm, " V " groove match on described projection and described rotating shaft surface, when described transmission crank arm is rotated, ensure that the linkage of described rotating shaft.
5. a kind of grounding interlocking device according to claim 1, is characterized in that, the sidewall of described transmission crank arm is provided with fixing hole, a fastening bolt through this fixing hole and described rotating shaft surface inconsistent, to ensure that described rotating shaft can not come off and rotate.
6. a kind of grounding interlocking device according to claim 1, is characterized in that, is also provided with arc connecting lever between described transmission crank arm and link rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407046.0U CN204130391U (en) | 2014-07-22 | 2014-07-22 | A kind of grounding interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407046.0U CN204130391U (en) | 2014-07-22 | 2014-07-22 | A kind of grounding interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130391U true CN204130391U (en) | 2015-01-28 |
Family
ID=52386721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420407046.0U Expired - Fee Related CN204130391U (en) | 2014-07-22 | 2014-07-22 | A kind of grounding interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204130391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047452A (en) * | 2015-05-13 | 2015-11-11 | 浙江临高电气实业有限公司 | Switch cabinet grounding interlocking apparatus |
| CN105355480A (en) * | 2015-10-30 | 2016-02-24 | 上海纳杰电气成套有限公司 | Grounding switch opening locking mechanism |
-
2014
- 2014-07-22 CN CN201420407046.0U patent/CN204130391U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047452A (en) * | 2015-05-13 | 2015-11-11 | 浙江临高电气实业有限公司 | Switch cabinet grounding interlocking apparatus |
| CN105355480A (en) * | 2015-10-30 | 2016-02-24 | 上海纳杰电气成套有限公司 | Grounding switch opening locking mechanism |
| CN105355480B (en) * | 2015-10-30 | 2020-02-18 | 上海纳杰电气成套有限公司 | Grounding switch opening locking mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105406386A (en) | Interlocking device of valve and grounding switch | |
| CN204130391U (en) | A kind of grounding interlocking device | |
| CN203205260U (en) | Emergency tripping device outside high-voltage breaker cabinet | |
| CN207602432U (en) | For the mechanical interlocks between disconnecting switch and earthing switch | |
| CN105932587A (en) | DC fast circuit breaker trunk | |
| CN203521990U (en) | Interlock mechanism of chassis truck and switchgear door | |
| CN204614722U (en) | A kind of high-tension switch cabinet heavy current disconnecting switches is manual, electrical interlocking mechanism | |
| CN106783291A (en) | Breaker and isolator operation interlocking mechanism | |
| CN203277141U (en) | Door open to power-off blocking device of composite mining flame-proof switch | |
| CN204179568U (en) | Live line working prevents wire dropping backup protection equipment | |
| CN203850693U (en) | Five-fault preventing interlocked control circuit for maintaining grounded vehicle | |
| CN204315994U (en) | Intelligent anti-explosive cabinet grounding system | |
| CN103489693B (en) | High voltage power distributing cabinet operating axis safety interlock for overhead | |
| CN207663967U (en) | It is a kind of to realize interlocking fuse assembly | |
| CN203607282U (en) | Manual interlocking mechanism of locking device of disconnector used for high voltage switch cabinet | |
| CN203150980U (en) | Heavy current generator outlet breaker handcart secondary plug interlock mechanism | |
| CN204130942U (en) | A kind of switch cubicle with ground connection interlocking | |
| CN104465162A (en) | Electric load disconnection earthing knife-switch interlocking device | |
| CN202333572U (en) | Separated position locking structure | |
| CN204067867U (en) | A kind of voltage transformer cabinet | |
| CN204215921U (en) | The interlocking device each other of a kind of Medium Voltage Switchgear earthed switch and cable chamber door | |
| CN203367080U (en) | Mechanical interlocking operating device of cable branch box | |
| CN103268836A (en) | Anti-misoperation demarcating load switch with disconnecting link | |
| CN204155796U (en) | A kind of low voltage switchgear safe lock mechanism | |
| CN203456365U (en) | Safety interlocking mechanism of high-voltage power distribution cabinet operation shaft |
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: 20150128 Termination date: 20210722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |