CN203774121U - Bi-guardian interlocking device used for explosion-proof box and provided with lock - Google Patents
Bi-guardian interlocking device used for explosion-proof box and provided with lock Download PDFInfo
- Publication number
- CN203774121U CN203774121U CN201320882559.2U CN201320882559U CN203774121U CN 203774121 U CN203774121 U CN 203774121U CN 201320882559 U CN201320882559 U CN 201320882559U CN 203774121 U CN203774121 U CN 203774121U
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- CN
- China
- Prior art keywords
- screw mandrel
- lock shaft
- shaft screw
- interlocking
- explosion
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Abstract
The utility model discloses a bi-guardian interlocking device used for an explosion-proof box and provided with a lock, and solves a problem that an accident is liable to be caused due to the fact that an existing isolation switch can be arbitrarily operated in the power-off state. The bi-guardian interlocking device comprises an explosion-proof box door (2) capable of being opened upwardly and downwardly and an isolation handle (4) which are arranged on an explosion-proof box body (1). A bi-guardian interlocking installation base (6) is provided with a pin shaft sleeve (7) with internal threads. A pin shaft screw rod (8) is connected in the pin shaft sleeve with the internal threads in a threaded way. The position, which is corresponding to the isolation handle (4), on the right end of the pin shaft screw rod is provided with an isolation handle interlocking hole (5). The explosion-proof box door (2) arranged below the left side of the isolation handle (4) is provided with a box door opening interlocking block (3). The side panel of the explosion-proof box body below the bi-guardian interlocking installation base is provided with a lock shaft screw rod sleeve (11) with the internal threads. A lock shaft screw rod (10) is connected in the lock shaft screw rod sleeve with the internal threads in the threaded way. Bi-guardian objectives that arbitrary power delivery and arbitrary door opening and operation are effectively prevented are achieved.
Description
Technical field
The utility model relates to the mechanical interlocks on a kind of underground explosion-proof electric appliance box, can be used for the electromechanical interlock in Flameproof intrinsically safe high-voltage vacuum distribution equipment and other mineral electrical apparatus for coal mine downhole mine.
Background technology
Isolating switch on existing downhole coal mine equipment is all with electromechanical interlocking device, and isolating switch can not be opened the door of equipment after closing a floodgate, and door is opened rear isolating switch and can not be closed a floodgate.There is a problem in these interlocks, under isolating switch off-position, just can arbitrarily operate, and lost the function of interlocking, when after power transmission again, and the generation very easily causing the accident.
Summary of the invention
The utility model provides two locking prevention interlocking devices for a kind of Flameproof box, has solved existing isolating switch and can arbitrarily operate the technical problem of the generation very easily causing the accident under off-position.
The utility model is to solve by the following technical programs above technical problem:
Two locking prevention interlocking devices for a kind of Flameproof box, comprise flameproof cabinet, on flameproof cabinet, be provided with the flame proof chamber door of opening up and down, on the side panel of flameproof cabinet, be provided with isolation handle, on the side panel of flameproof cabinet in the left side of isolation handle, be provided with two anti-interlocking mount pads, on two anti-interlocking mount pads, be provided with tapped pin sleeve, bearing pin screw mandrel is screwed onto in tapped pin sleeve, the edge of a knife is controlled in the rotation that is provided with bearing pin screw mandrel on the left side of bearing pin screw mandrel, on the corresponding isolation handle of right-hand member of bearing pin screw mandrel, be provided with isolation handle interlocking hole, bearing pin screw mandrel and movable cooperation of isolation handle interlocking hole, on flame proof chamber door below the left side of isolation handle, be provided with chamber door and open interlocking segment, at the middle part of bearing pin screw mandrel, be provided with positioning and locking cannelure, on the side panel of the flameproof cabinet below two anti-interlocking mount pads, be provided with tapped lock shaft screw rod bushing, lock shaft screw mandrel is screwed onto in tapped lock shaft screw rod bushing.
In the lower end of lock shaft screw mandrel, be provided with the rotation of lock shaft screw mandrel and control trigonocephalia, lock shaft screw mandrel rotation control movable cooperation of trigonocephalia that lock shaft screw mandrel key arranges with the lower end of lock shaft screw mandrel.
The utlity model has its distinctive reliable lock function, can not opposite house in the situation that there is no private key and isolation handle operate, reached the two anti-objects that effectively prevent power transmission without authorization and prevent from opening the door without authorization operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
Two locking prevention interlocking devices for a kind of Flameproof box, comprise flameproof cabinet 1, on flameproof cabinet 1, be provided with the flame proof chamber door 2 of opening up and down, on the side panel of flameproof cabinet 1, be provided with isolation handle 4, on the side panel of flameproof cabinet 1 in the left side of isolation handle 4, be provided with two anti-interlocking mount pads 6, on two anti-interlocking mount pads 6, be provided with tapped pin sleeve 7, bearing pin screw mandrel 8 is screwed onto in tapped pin sleeve 7, the edge of a knife 14 is controlled in the rotation that is provided with bearing pin screw mandrel on the left side of bearing pin screw mandrel 8, on the corresponding isolation handle 4 of right-hand member of bearing pin screw mandrel 8, be provided with isolation handle interlocking hole 5, bearing pin screw mandrel 8 joins movable cooperation of trivial hole 5 with isolation handle, rotary pin shaft screw mandrel 8 to the right, make its head enter into isolation handle and join trivial hole 5, at this moment bearing pin screw mandrel 8 rotates to latched position, with lock shaft screw mandrel key 13, lock shaft screw mandrel 10 is rotated up, in the positioning and locking cannelure 9 that the middle part that makes lock shaft screw mandrel 10 withstand on bearing pin screw mandrel 8 arranges, cause chamber door to open, and cannot move isolation handle 4 by plate, do not having in lock shaft screw mandrel key 13 situations, can not arbitrarily open the door, make reliable locked can not arbitrarily operation of electric equipment quilt in case, on flame proof chamber door 2 below the left side of isolation handle 4, be provided with chamber door and open interlocking segment 3, at the middle part of bearing pin screw mandrel 8, be provided with positioning and locking cannelure 9, on two anti-interlocking mount pads 6, be provided with tapped lock shaft screw rod bushing 11, lock shaft screw mandrel 10 is screwed onto in tapped lock shaft screw rod bushing 11.When with lock shaft screw mandrel key 13, lock shaft screw mandrel 10 being rotated down, the positioning and locking cannelure 9 that the middle part that makes lock shaft screw mandrel 10 depart from bearing pin screw mandrel 8 arranges, rotary pin shaft screw mandrel 8 left, make its head depart from isolation handle and join trivial hole 5, at this moment the left end of bearing pin screw mandrel 8 moves to chamber door and opens interlocking segment 3 tops, causes chamber door to open, and is not having in lock shaft screw mandrel key 13 situations, cannot open chamber door, make trouble free service under state that the electric equipment in case reliably cuts out at chamber door.
In the lower end of lock shaft screw mandrel 10, be provided with the rotation of lock shaft screw mandrel and control trigonocephalia 12,12 movable cooperations of lock shaft screw mandrel rotation control trigonocephalia that lock shaft screw mandrel key 13 arranges with the lower end of lock shaft screw mandrel 10, accomplished the object that private key is opened dedicated lock.
Claims (2)
1. two locking prevention interlocking devices for Flameproof box, comprise flameproof cabinet (1), on flameproof cabinet (1), be provided with the flame proof chamber door (2) of opening up and down, on the side panel of flameproof cabinet (1), be provided with isolation handle (4), it is characterized in that, on the side panel of flameproof cabinet (1) in the left side of isolation handle (4), be provided with two anti-interlocking mount pads (6), on two anti-interlocking mount pads (6), be provided with tapped pin sleeve (7), bearing pin screw mandrel (8) is screwed onto in tapped pin sleeve (7), the edge of a knife (14) is controlled in the rotation that is provided with bearing pin screw mandrel on the left side of bearing pin screw mandrel (8), on the corresponding isolation handle of right-hand member (4) of bearing pin screw mandrel (8), be provided with isolation handle interlocking hole (5), bearing pin screw mandrel (8) coordinates with isolation handle interlocking hole (5) is movable, on flame proof chamber door (2) below the left side of isolation handle (4), be provided with chamber door and open interlocking segment (3), at the middle part of bearing pin screw mandrel (8), be provided with positioning and locking cannelure (9), on the side panel of the flameproof cabinet (1) of the below of two anti-interlocking mount pads (6), be provided with tapped lock shaft screw rod bushing (11), lock shaft screw mandrel (10) is screwed onto in tapped lock shaft screw rod bushing (11).
2. two locking prevention interlocking devices for a kind of Flameproof box according to claim 1, it is characterized in that, in the lower end of lock shaft screw mandrel (10), be provided with the rotation of lock shaft screw mandrel and control trigonocephalia (12), the movable cooperation of lock shaft screw mandrel rotation control trigonocephalia (12) that lock shaft screw mandrel key (13) arranges with the lower end of lock shaft screw mandrel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882559.2U CN203774121U (en) | 2013-12-31 | 2013-12-31 | Bi-guardian interlocking device used for explosion-proof box and provided with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882559.2U CN203774121U (en) | 2013-12-31 | 2013-12-31 | Bi-guardian interlocking device used for explosion-proof box and provided with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774121U true CN203774121U (en) | 2014-08-13 |
Family
ID=51291279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882559.2U Expired - Fee Related CN203774121U (en) | 2013-12-31 | 2013-12-31 | Bi-guardian interlocking device used for explosion-proof box and provided with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779099A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Multi-electromechanical-interlocking mechanism of explosion-proof electrical box of underground coal mine |
-
2013
- 2013-12-31 CN CN201320882559.2U patent/CN203774121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779099A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Multi-electromechanical-interlocking mechanism of explosion-proof electrical box of underground coal mine |
| CN104779099B (en) * | 2015-04-13 | 2016-12-07 | 山西汾西机电有限公司 | The multiple electromechanical interlock mechanism of underground coal mine explosion-proof electrical appliance case |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20191231 |