CN100423150C - Earthing device for mistaken-locking preventing system - Google Patents
Earthing device for mistaken-locking preventing system Download PDFInfo
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- CN100423150C CN100423150C CNB200510101050XA CN200510101050A CN100423150C CN 100423150 C CN100423150 C CN 100423150C CN B200510101050X A CNB200510101050X A CN B200510101050XA CN 200510101050 A CN200510101050 A CN 200510101050A CN 100423150 C CN100423150 C CN 100423150C
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- lock body
- upper lock
- ground wire
- action bars
- spring
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Abstract
The present invention relates to the technical field of mistaken locking prevention, particularly to an idling preventing grounding device in a mistaken locking preventing system, which comprises an upper lock body and a lower lock body, wherein the outer surface of the upper lock body has two encoding heads and two lock holes; both sides inside the upper lock body are respectively provided with a right and a left operating rods; an operating rod spring is installed on one end of each of the two operating rods; clamping slots are opened on the middle parts of the two operating rods; the lower part of each of the clamping slot has an orienting pin, which can slide in a slide way on the upper lock body corresponding to the position of the orienting pin; a detection block return spring is arranged on the inner side of each of two detection slide blocks; a right and a left bolts, together with a right and a left locking pins, are installed on the lower parts of the right and the left operating rods; the inner sides of the right and the left bolts are connected with the upper lock body through bolt springs; the lower parts of the right and the left bolts respectively have a lock knob; a locking pin spring is respectively sleeved on each of the right and the left locking pins; one end of the locking pin spring is clamped on the middle part of the locking pin, and the other end is clamped on the upper lock body; a ground wire slot is opened on the middle part of the upper lock body. The idling preventing grounding device in a mistaken locking preventing system of the present invention improves system safety to some extent.
Description
Technical field
The present invention relates to electric power system anti-misoperation locking technical field, the particularly a kind of dispensing power plant earthing device of station such as power plant or power station that are applied to for preventing that misoperation from using.
Background technology
At present, dispensing power plant uses very extensive in the station error proof locking system of microcomputer in power plant or power station etc., development also relatively rapidly, though the product of each producer respectively has its characteristic, but the technological means of basic principle and employing is roughly the same, and device mainly is made up of artificial intelligence screen, industrial computer, computer key and various lockset (combination padlock).Installing for interim ground wire generally is to adopt the fixing point mode at present, installs ground stud according to the needs of operating experience or maintenance in the appointed place in advance.But the mode of on-the-spot operation is Protean, sometimes need be at special place hanging earthing conductor (doing safety measure), these places often do not have default ground stud, the management of this interim ground wire just can not prevent misoperation, safety to entire power plant or power station all causes a hidden trouble like this, therefore also just need a kind of device of locking ground wire, but present ground wire all only has locking function, also can operate for this device under the situation of not inserting ground wire, like this operation site staff also be had certain potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is, a kind of antiaircraft earthing device that can't operate under no ground wire situation is provided.
Technical problem to be solved by this invention is achieved by the following technical solution: the antiaircraft earthing device in a kind of anti-error locking system, and it comprises a upper lock body, a down lock body, this upper lock body outer surface has two coding heads and two lockholes; The inner both sides of this upper lock body are equipped with left and right action bars respectively, a two action bars end separately are equipped with the action bars spring, two action bars middle part separately have draw-in groove, directed pin is arranged at the draw-in groove bottom, this orientation pin can slide in the slideway of position correspondence with it on upper lock body, and when lockset was opened, two action bars inboards respectively had a detection slide block to snap in above-mentioned draw-in groove, two detection slide block inboards respectively have one to detect the block reset spring, and the back-moving spring other end is stuck on the upper lock body; Left and right action bars below vertical direction with it is equipped with left and right dead bolt and left and right stop pin respectively, left and right dead bolt inboard all is connected with upper lock body by latch bolt spring, one cage knob is respectively arranged at left and right dead bolt bottom, and this left and right cage knob rotation can drive left and right dead bolt respectively and move along vertical operation bar direction; Respectively be with a stop pin spring on the left and right stop pin, this stop pin spring one end is stuck in the stop pin middle part, and the other end is stuck in upper lock body; The upper lock body middle part has a ground wire casing parallel with action bars, ground wire casing one end is equipped with the ground wire detection contact, between this ground wire detection contact and the upper lock body ground wire detection springs is housed, one cross section is that the ground wire detection baffle plate of L type is loaded in the chute of upper lock body on one side, the upper end of this ground wire detection baffle plate is vertical corresponding with left stop pin, and the ground wire detection contact is fixed in the lower end.
Antiaircraft earthing device in the anti-error locking system of the present invention is provided with two the common locking of lock ground wires, one of them lock also is used to avoid anti-do-nothing operation, the ground wire detection contact was in original position when no ground wire inserted, connected ground wire detects the baffle plate bottom shelves is lived left stop pin, thereby left action bars can't be operated, realize antiaircraft function, improved security of system to a certain extent.
Description of drawings
Fig. 1 takes the stereogram of the antiaircraft earthing device in the anti-error locking system for the present invention;
Fig. 2 is the vertical view after the antiaircraft earthing device in the anti-error locking system of the present invention removes base;
Fig. 3 is that the A-A of Fig. 2 is to view;
Fig. 4 is that the B-B of Fig. 2 is to view;
Fig. 5 is the partial sectional view of ground wire connector in the antiaircraft earthing device in the anti-error locking system of the present invention.
Embodiment
Referring to Fig. 1 to Fig. 5, the antiaircraft earthing device in a kind of anti-error locking system, it comprises a upper lock body 2, a down lock body 1, these upper lock body 2 outer surfaces have two codings, 100,200 and two lockholes (not sign); These upper lock body 2 inner both sides are equipped with left and right action bars 22,13 respectively, two action bars 22,13 end separately all are equipped with action bars spring 12, two action bars 22,13 middle part separately have draw-in groove 23, directed pin 18 is arranged at the draw-in groove bottom, this orientation pin 18 can slide in the slideway of position correspondence with it on upper lock body 2, when lockset is opened, two action bars, 22,13 inboards respectively have a detection slide block 14 to snap in above-mentioned draw-in groove 23, two detection slide block 14 inboards respectively have one to detect block reset spring 19, and back-moving spring 19 other ends are stuck on the upper lock body 2; Left and right action bars 22,13 belows vertical direction with it are equipped with left and right dead bolt 6,11 and left and right stop pin 7,10 respectively, left and right dead bolt 6,11 inboards all are connected with upper lock body 2 by latch bolt spring 8, one cage knob 3,4 is respectively arranged at left and right dead bolt 6,11 bottoms, and these left and right cage knob 3,4 rotations can drive left and right dead bolt 6,11 respectively and move along vertical operation bar direction; Respectively be with a stop pin spring 9 on the left and right stop pin 7,10, these stop pin spring 9 one ends are stuck in stop pin 7,10 middle parts, and the other end is stuck in upper lock body 2; Upper lock body 2 middle parts have a ground wire casing 24 parallel with action bars 22,13, ground wire casing 24 1 ends are equipped with ground wire detection contact 16, between this ground wire detection contact 16 and the upper lock body 2 ground wire detection springs 17 is housed, one cross section is that the ground wire detection baffle plate 20 of L type is loaded in the chute of upper lock body on one side, the upper end that this ground wire detects baffle plate 20 is vertical corresponding with left stop pin 7, and ground wire detection contact 16 is fixed in the lower end.
The antiaircraft earthing device course of work in this anti-error locking system is as follows:
One, earth connection
1, insert coding 100 pairing lock and an operation with computer key, right cage knob 4 rotations, right dead bolt 11 is moved to the left, decontrol the right action bars, the right action bars outwards ejects under spring 12 effects, and this moment, right stop pin 10 moved right under spring 9 effects, and this locks unlatching;
2, ground wire connector 21 is inserted in the ground wire casings 24 and be in place, ground wire inspection this moment baffle plate 20, ground wire detection contact 16 move to 1. direction;
3, promote action bars 13 to 2. direction, dead bolt 6,11 pins action bars under spring 8 effects, and stop pin 7,10 is operated bar and promotes to the centre simultaneously, and inserts the through hole 25 on the ground wire connector, and ground wire is lockable.
Two, disconnected ground wire
1, with computer key two locks are opened, two action bars 22,13 are ejected by spring 12, and stop pin 7,10 resets under the effect of spring 9;
2, extract ground wire connector 21, ground wire detection contact 16, ground wire detect baffle plate 20 and reset under spring 17 effects, and left stop pin 7 portals and is blocked, left side action bars 22 can be operated among the figure at this moment, when preventing from not have earth connection, be lockable after the action of left side action bars, the coding head of corresponding lock can read.
3, the right action bars 13 is pressed, under the effect of spring 8, right dead bolt pins action bars 13.
4, read coding 100, carry out next step operation.
Antiaircraft earthing device in the anti-error locking system of the present invention is provided with two the common locking of lock ground wires, one of them lock also is used to avoid anti-do-nothing operation, the ground wire detection contact was in original position when no ground wire inserted, connected ground wire detects the baffle plate bottom will block left stop pin, thereby left action bars can't be operated, realize antiaircraft function, improved security of system to a certain extent.
The present invention also has some other distortion or improvement.If those skilled in the art are subjected to the change or the improvement of the conspicuous unsubstantiality that inspiration of the present invention makes, all belong to the protection range of claims of the present invention.
Claims (3)
1. the antiaircraft earthing device in the anti-error locking system is characterized in that it comprises a upper lock body, a down lock body, and this upper lock body outer surface has two coding heads and two lockholes; The inner both sides of this upper lock body are equipped with left and right action bars respectively, a two action bars end separately are equipped with the action bars spring, two action bars middle part separately have draw-in groove, directed pin is arranged at the draw-in groove bottom, this orientation pin can slide in the slideway of position correspondence with it on upper lock body, and when lockset was opened, two action bars inboards respectively had a detection slide block to snap in above-mentioned draw-in groove, two detection slide block inboards respectively have one to detect the block reset spring, detect the block reset spring other end and are stuck on the upper lock body; Left and right action bars below vertical direction with it is equipped with left and right dead bolt and left and right stop pin respectively, left and right dead bolt inboard all is connected with upper lock body by latch bolt spring, one cage knob is respectively arranged at left and right dead bolt bottom, and this left and right cage knob rotation can drive left and right dead bolt respectively and move along vertical operation bar direction; Respectively be with a stop pin spring on the left and right stop pin, this stop pin spring one end is stuck in the stop pin middle part, and the other end is stuck in upper lock body; The upper lock body middle part has a ground wire casing parallel with action bars, ground wire casing one end is equipped with the ground wire detection contact, between this ground wire detection contact and the upper lock body ground wire detection springs is housed, one cross section is that the ground wire detection baffle plate of L type is loaded in the chute of upper lock body on one side, the upper end of this ground wire detection baffle plate is vertical corresponding with left stop pin, the ground wire detection contact is fixed in the lower end, and this air defense earthing device also comprises a firm banking.
2. antiaircraft earthing device according to claim 1 is characterized in that, described antiaircraft earthing device also comprises a rain cover.
3. antiaircraft earthing device according to claim 1 is characterized in that, described antiaircraft earthing device also comprises a ground wire connector, and there is the through hole that cooperates with left and right stop pin at this ground wire connector middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510101050XA CN100423150C (en) | 2005-11-07 | 2005-11-07 | Earthing device for mistaken-locking preventing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510101050XA CN100423150C (en) | 2005-11-07 | 2005-11-07 | Earthing device for mistaken-locking preventing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1838353A CN1838353A (en) | 2006-09-27 |
| CN100423150C true CN100423150C (en) | 2008-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510101050XA Active CN100423150C (en) | 2005-11-07 | 2005-11-07 | Earthing device for mistaken-locking preventing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100423150C (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344859Y (en) * | 1998-03-03 | 1999-10-20 | 宁波天安（集团）股份有限公司 | Five protection operating interlocking mechanism |
-
2005
- 2005-11-07 CN CNB200510101050XA patent/CN100423150C/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344859Y (en) * | 1998-03-03 | 1999-10-20 | 宁波天安（集团）股份有限公司 | Five protection operating interlocking mechanism |
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| Publication number | Publication date |
|---|---|
| CN1838353A (en) | 2006-09-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Science and Technology Innovation Coast, three hi tech Zone, Guangdong, Zhuhai Province, No. six, No. 11, A Patentee after: Zhuhai Contron Power Safety Technology Co., Ltd. Address before: Guangdong city of Zhuhai province Gongbei Zhujiang Road No. 25 south building six floor Patentee before: Gongchuang Co., Ltd., Zhuhai City |
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| C56 | Change in the name or address of the patentee |
Owner name: ZHUHAI GONGCHUANG POWER SAFETY TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHUHAI CITY GONGCHUANG CO., LTD. |