CN102360970A - Mechanical latching mechanism of explosion-proof switching box - Google Patents
Mechanical latching mechanism of explosion-proof switching box Download PDFInfo
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- CN102360970A CN102360970A CN2011102865430A CN201110286543A CN102360970A CN 102360970 A CN102360970 A CN 102360970A CN 2011102865430 A CN2011102865430 A CN 2011102865430A CN 201110286543 A CN201110286543 A CN 201110286543A CN 102360970 A CN102360970 A CN 102360970A
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- door
- right door
- latching
- locking
- inboard
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Abstract
The invention relates to a mechanical latching mechanism of an explosion-proof switching box. Mechanical latching mechanisms are arranged at an inner side of a left door, an inner side of a right door and an inner side of a box body between the left door and the right door. A rotating shaft, a latching limit disk, a right-door latching lever, and a right-door latching axle seat are arranged at the inner side of the right door. A latching backing plate, an intermediate axle seat, an intermediate pin, a latching board guiding axle and a latching board are arranged at the inner side of the box body. Besides, a left-door latching hammer base is arranged at the inner side of the box body; and a left-door latching hammer is rotatably installed at the left-door latching hammer base. Moreover, a left-door latching base is arranged at the inner side of the left door, wherein the position of the left-door latching base is corresponded to that of the left-door latching hammer base; and an intermediate pin hole that is corresponded to the intermediate pin is arranged on the left-door latching base. According to the invention, latching mechanisms are utilized to control breaking of an isolating switch, so that misoperation of operation personnel and maintenance personnel can be prevented and construction safety can be ensured; and therefore, possibilities of gas and dust explosion in a coal mine can be eliminated, wherein the gas and dust explosion may be caused by the misoperation.
Description
Technical field
The present invention relates to a kind of flame-proof type switch-box safety guard, the blocking mechanism of the inboard of casing between the right door of the inboard of particularly a kind of inboard that is arranged at the switch-box left-hand door, right door and left-hand door.
Background technology
The underground equipment work under bad environment in the colliery breaks down and must open the switch-box left and right door during time between overhauls(TBO) to regulation and overhaul at equipment.Existing switch-box structure, industry can be opened left and right door when isolating switch is charged, very easily causes maintainer's misoperation, electric shock accidents takes place, even cause the gas and dust explosion accident.Adopt the electromechanical combination locking in the middle of the prior art mostly; Exist functional reliability not high, the problem of having damaged, as: the patent No. is: 200720016697.7; Patent name is: the patent of invention of " the explosion-proof control cabinet of electromechanical combination locking " discloses a kind of locking device of explosion-proof control cabinet of mining air compressor machine use; But the critical component of this locking device is button, spanner, switch, spiral screw rod and limiting plate, the closedown structure complicated operation of this structure; Damage easily, security reliability is not high.
Summary of the invention
The objective of the invention is to the shortcoming to prior art, provide that a kind of processing technology is simple, reliable operation, effectively eliminate major safety risks safety guard.
Technical scheme of the present invention is: a kind of flame-proof type switch-box mechanical lock; Be arranged at the inboard of casing between inboard and the right door of left-hand door of the inboard of left-hand door, right door; The inboard of described right door is provided with rotating shaft, locking position-arresting disk, right door deadlock lever and right door locking axle bed; Described rotating shaft is rotatable to be installed on the right door, and the action bars on the isolating switch of rotating shaft in You Men closes back and casing is connected, and the locking position-arresting disk is set to have the plate-like of eccentric structure and is installed in the rotating shaft; Right door locking axle bed is installed on the right door; Right door deadlock lever is installed on the right door locking axle bed, an end and the sliding contact of locking position-arresting disk of right door deadlock lever, and right door deadlock lever is provided with back-moving spring and circlip; The inboard of described casing is provided with locking backing plate, middle axle bed, middle bearing pin, the latch plate axis of guide and latch plate; Axle bed is installed on the locking backing plate in the middle of described, on the axle bed, is set with back-moving spring and circlip on the middle bearing pin in the middle of middle bearing pin is installed on; One end and the latch plate of middle bearing pin install; Latch plate is set on the latch plate axis of guide, is set with back-moving spring on the latch plate axis of guide, and latch plate is connected with the other end of right door deadlock lever; The inboard of described casing is provided with left-hand door locking hammer seat; Left-hand door locking hammer is rotatable to be installed on the left-hand door locking hammer seat; The inboard of left-hand door is provided with left-hand door locking hammer seat and puts corresponding left-hand door latch receptacles, and the left-hand door latch receptacles is provided with the intermediate pin axis hole corresponding with middle bearing pin.
Preferably: described rotating shaft is provided with groove, and action bars is provided with the convexity corresponding with groove.
Preferably: the end that described right door deadlock lever contacts with the locking position-arresting disk is set to groove, and the locking position-arresting disk is flush-mounted in the groove.
Preferably: described right door is provided with locking position-arresting disk limited post, and described locking position-arresting disk is provided with stopper slot.
Preferably: be connected to operating grip in the described rotating shaft.
Beneficial effect of the present invention is: reasonable in design of the present invention, utilize cut-offfing of blocking mechanism control isolating switch, and have only isolating switch to be positioned at left-hand door and You Men that switch-box can be opened in disjunction position (power failure position); Have only left-hand door and the right door simultaneously can closed isolating switch (sending) behind the door-closing in-place, if only shut Yishanmen or appoint a Yishanmen to close not in place, isolating switch can't send.Can prevent operation and maintenance personal's misoperation, guarantee construction safety, stop to cause thus the possibility of coal mine gas coal-dust explosion.
Description of drawings
The structural representation that Fig. 1 combines with left and right door for the present invention
Fig. 2 is a structure diagram of the present invention
Embodiment
Below in conjunction with description of drawings embodiment of the present invention:
A kind of flame-proof type switch-box mechanical lock; Be arranged at the inboard of casing between inboard and the left-hand door 19 right doors 20 of the inboard of left-hand door 19, right door 20; The inboard of described right door 20 is provided with rotating shaft 12, locking position-arresting disk 1, right door deadlock lever 13 and right door locking axle bed 14; Described rotating shaft 12 rotatable being installed on the right door 20, the action bars 11 on the isolating switch 10 of rotating shaft 12 in right door 20 is closed back and casing is connected, and is connected to operating grip in the rotating shaft 12; Operating state through operating grip may command isolating switch 10; Locking position-arresting disk 1 is set to have the plate-like of eccentric structure and is installed in the rotating shaft 12, and the rotation of locking position-arresting disk 1 can drive the move left and right of right door deadlock lever 13, thus the folding of control blocking mechanism; Right door locking axle bed 14 is installed on the right door 20, and right door deadlock lever 13 is installed on the right door locking axle bed 14, an end and 1 sliding contact of locking position-arresting disk of right door deadlock lever 13, and right door deadlock lever 13 is provided with back-moving spring 15 and circlip 9; The inboard of described casing is provided with locking backing plate 16, middle axle bed 17, middle bearing pin 7, the latch plate axis of guide 2 and latch plate 4; Axle bed 17 is installed on the locking backing plate 16 in the middle of described; Middle bearing pin 7 is installed on the middle axle bed 17; Be set with back-moving spring 8 and circlip 9 on the middle bearing pin 7, an end and the latch plate 4 of middle bearing pin 7 install, and latch plate 4 is set on the latch plate axis of guide 2; Be set with back-moving spring 3 on the latch plate axis of guide 2, latch plate 4 is connected with the other end of right door deadlock lever 13; The inboard of described casing is provided with left-hand door locking hammer seat 5; 6 rotatable being installed on the left-hand door locking hammer seat 5 are hammered in the left-hand door locking into shape; The inboard of left-hand door 19 is provided with and the corresponding left-hand door latch receptacles 18 in left-hand door locking hammer seat 5 positions, and left-hand door latch receptacles 18 is provided with the intermediate pin axis hole corresponding with middle bearing pin 7.
Described rotating shaft 12 is provided with groove, and action bars 11 is provided with the convexity corresponding with groove.After cooperating, the two can control the operating state of guilty isolating switch 10.
The end that described right door deadlock lever 13 contacts with locking position-arresting disk 1 is set to groove, and locking position-arresting disk 1 is flush-mounted in the groove, has guaranteed the stability of blocking mechanism work.
Described right door 12 is provided with locking position-arresting disk limited post 21, and described locking position-arresting disk 1 is provided with stopper slot, can limit the rotating range of locking position-arresting disk 1, thereby guarantees the accuracy of blocking mechanism work.
Described.
The course of work is following:
1, send electricity operation: close left-hand door 19, left-hand door latch receptacles 18 around 5 rotations of left-hand door locking hammer seat and be pushed in the casing, is closed right door 20 with left-hand door locking hammer 6, and a right door deadlock lever 13 contacts with locking backing plate 16; Operating grip drives rotating shaft 12, locking position-arresting disk 1 and action bars 11 and is rotated counterclockwise 60 degree, and isolating switch 10 closures send electricity to finish, and at this moment, locking position-arresting disk 1 drives right door deadlock lever 13 and moves to left, and reaches locking backing plate 16 inboards, and the locking of right door is not opened; Latch plate 4 moves to left, and middle bearing pin 7 moves to left, and inserts in the intermediate pin axis hole of left-hand door latch receptacles 18, and left-hand door pins and do not open.
Do not put in place if appoint Yishanmen not close, isolating switch can not normally closed: (1) if right door does not close not to put in place, and rotating shaft 12 and not engagement of action bars 11 can not disconnecting switch operation; (2) if closing, left-hand door do not put in place; Left-hand door locking hammer 6 blocks centre 7 because of deadweight falls, it can not be moved to the left, thereby; Latch plate 4, right door deadlock lever 13 can not move to left, locking position-arresting disk 1 can not rotate; Because locking position-arresting disk 1 is fixed together with rotating shaft 12, thereby rotating shaft 12 can not rotate counterclockwise, therefore can not disconnecting switch operation.
When 2, isolating switch was positioned at make position (sending electric position), left-hand door and right Men Jun were lockable, and can not open; Have only operating grip 60 degree that turn clockwise, isolating switch is positioned at open position (power failure position), and middle bearing pin 7 and right door deadlock lever 13 be by spring reset, lock release, and left-hand door and right door all can be opened.
The above embodiment that lifts only uses to conveniently illustrating the present invention, and at technical scheme category according to the invention, the person of ordinary skill in the field does various simple deformation and modification, all should be included in the above claim.
Claims (5)
1. flame-proof type switch-box mechanical lock; Be arranged at the inboard of casing between inboard and the right door of left-hand door (19) (20) of inboard, right door (20) of left-hand door (19); It is characterized in that: the inboard of described right door (20) is provided with rotating shaft (12), locking position-arresting disk (1), right door deadlock lever (13) and right door locking axle bed (14); Described rotating shaft (12) is rotatable to be installed on the right door (20); Rotating shaft (12) You Men (20) close the back with casing in isolating switch (10) on action bars (11) be connected; Locking position-arresting disk (1) is set to have the plate-like of eccentric structure and is installed in the rotating shaft (12), and right door locking axle bed (14) is installed on the right door (20), and right door deadlock lever (13) is installed on the right door locking axle bed (14); One end and locking position-arresting disk (1) sliding contact of right door deadlock lever (13), right door deadlock lever (13) is provided with back-moving spring (15) and circlip (9); The inboard of described casing is provided with locking backing plate (16), middle axle bed (17), middle bearing pin (7), the latch plate axis of guide (2) and latch plate (4); Axle bed (17) is installed on the locking backing plate (16) in the middle of described; Middle bearing pin (7) is installed on the middle axle bed (17); Be set with back-moving spring (8) and circlip (9) on the middle bearing pin (7), an end of middle bearing pin (7) and latch plate (4) install, and latch plate (4) is set on the latch plate axis of guide (2); Be set with back-moving spring (3) on the latch plate axis of guide (2), latch plate (4) is connected with the other end of right door deadlock lever (13); The inboard of described casing is provided with left-hand door locking hammer seat (5); Left-hand door locking hammer (6) is rotatable to be installed on the left-hand door locking hammer seat (5); The inboard of left-hand door (19) is provided with and the corresponding left-hand door latch receptacles (18) in left-hand door locking hammer seat (5) position, and left-hand door latch receptacles (18) is provided with the intermediate pin axis hole corresponding with middle bearing pin (7).
2. flame-proof type switch-box mechanical lock as claimed in claim 1 is characterized in that: described rotating shaft (12) is provided with groove, and action bars (11) is provided with the convexity corresponding with groove.
3. flame-proof type switch-box mechanical lock as claimed in claim 1 is characterized in that: described right door deadlock lever (13) is set to groove with the end that locking position-arresting disk (1) contacts, and locking position-arresting disk (1) is flush-mounted in the groove.
4. flame-proof type switch-box mechanical lock as claimed in claim 1 is characterized in that: described right door (12) is provided with locking position-arresting disk limited post (21), and described locking position-arresting disk (1) is provided with stopper slot.
5. flame-proof type switch-box mechanical lock as claimed in claim 1 is characterized in that: described rotating shaft is connected to operating grip on (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110286543.0A CN102360970B (en) | 2011-09-26 | 2011-09-26 | Mechanical latching mechanism of explosion-proof switching box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110286543.0A CN102360970B (en) | 2011-09-26 | 2011-09-26 | Mechanical latching mechanism of explosion-proof switching box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360970A true CN102360970A (en) | 2012-02-22 |
| CN102360970B CN102360970B (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110286543.0A Active CN102360970B (en) | 2011-09-26 | 2011-09-26 | Mechanical latching mechanism of explosion-proof switching box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360970B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161333A (en) * | 2015-08-10 | 2015-12-16 | 兖州煤业股份有限公司 | Mine operation system and multi-gate electrical equipment thereof |
| CN106340821A (en) * | 2016-10-20 | 2017-01-18 | 莱福士电力电子设备（深圳）有限公司 | Switchgear interlocking mechanism and switchgear |
| CN112989442A (en) * | 2021-01-28 | 2021-06-18 | 国网浙江省电力有限公司台州市路桥区供电公司 | Illegal external connection prevention locking device for USB interface |
| CN113345739A (en) * | 2021-06-04 | 2021-09-03 | 山东拓新电气有限公司 | Mechanical interlocking device and method for electric control box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808628A (en) * | 1956-03-05 | 1959-02-11 | Revo Electric Company Ltd | Electric switches having interlocked covers |
| CN201060785Y (en) * | 2007-07-20 | 2008-05-14 | 江苏八达真空电气有限公司 | Mine anti-explosive switch dual-door locking device |
| CN201444549U (en) * | 2009-06-29 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Mid-door locking device for movable switch cabinet |
| CN202205614U (en) * | 2011-09-26 | 2012-04-25 | 青岛天迅电气有限公司 | Explosion-proof type switch box mechanical locking mechanism |
-
2011
- 2011-09-26 CN CN201110286543.0A patent/CN102360970B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808628A (en) * | 1956-03-05 | 1959-02-11 | Revo Electric Company Ltd | Electric switches having interlocked covers |
| CN201060785Y (en) * | 2007-07-20 | 2008-05-14 | 江苏八达真空电气有限公司 | Mine anti-explosive switch dual-door locking device |
| CN201444549U (en) * | 2009-06-29 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Mid-door locking device for movable switch cabinet |
| CN202205614U (en) * | 2011-09-26 | 2012-04-25 | 青岛天迅电气有限公司 | Explosion-proof type switch box mechanical locking mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161333A (en) * | 2015-08-10 | 2015-12-16 | 兖州煤业股份有限公司 | Mine operation system and multi-gate electrical equipment thereof |
| CN106340821A (en) * | 2016-10-20 | 2017-01-18 | 莱福士电力电子设备（深圳）有限公司 | Switchgear interlocking mechanism and switchgear |
| CN106340821B (en) * | 2016-10-20 | 2018-02-27 | 莱福士电力电子设备（深圳）有限公司 | Interlocking mechanism of switch cabinet and switch cubicle |
| CN112989442A (en) * | 2021-01-28 | 2021-06-18 | 国网浙江省电力有限公司台州市路桥区供电公司 | Illegal external connection prevention locking device for USB interface |
| CN113345739A (en) * | 2021-06-04 | 2021-09-03 | 山东拓新电气有限公司 | Mechanical interlocking device and method for electric control box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360970B (en) | 2014-07-09 |
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| 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: 266000 Haibin Road, Jiaonan Industrial Park, Qingdao, Shandong, China Patentee after: Long global (Qingdao) Electric Co., Ltd. Address before: 266000 No. six, 799 Haibin Road, Qingdao, Shandong, Jiaonan Patentee before: Qingdao Tianxun Electric Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 266000 Huangdao, Shandong province Qian Qian Shan Road, No. 167 Patentee after: Long global (Qingdao) Electric Co., Ltd. Address before: 266000 Haibin Road, Jiaonan Industrial Park, Qingdao, Shandong, China Patentee before: Long global (Qingdao) Electric Co., Ltd. |