CN2151528Y - Electromechanic linkage locking apparatus - Google Patents
Electromechanic linkage locking apparatus Download PDFInfo
- Publication number
- CN2151528Y CN2151528Y CN 93208912 CN93208912U CN2151528Y CN 2151528 Y CN2151528 Y CN 2151528Y CN 93208912 CN93208912 CN 93208912 CN 93208912 U CN93208912 U CN 93208912U CN 2151528 Y CN2151528 Y CN 2151528Y
- Authority
- CN
- China
- Prior art keywords
- linkage locking
- operating mechanism
- baffle plate
- fanning strip
- door
- 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
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Abstract
The utility model relates to an electromechanical linkage locking apparatus which belongs to the safety device of an explosion suppression electric appliance for coal mine, and the electromechanical linkage locking apparatus is especially suitable for the mechanical electric linkage locking control of an explosion suppression electric box. The electromechanical linkage locking apparatus comprises a door opening mechanism, an operation mechanism for an isolating switch, an operating mechanism for an emergency stop button, and a linkage locking mechanism comprising a baffle plate and a fan-shaped plate. An existing single linkage locking structure is changed to a double linkage locking structure. The electromechanical linkage locking apparatus has the advantages of simple structure and reliable motion. The electromechanical linkage locking is carried out following normal operation procedures, so that false operation is avoided.
Description
The utility model belongs to a kind of mechanical interlocks of flame proof electric box, is specially adapted to the safeguard protection of colliery electric equipment.
At present, the colliery is with the outage of the flame proof electric box circle door safety interlock for overhead of uncapping, and mainly is made up of the outage interlocking device of opening the door, when keeping in repair, isolating switch disconnects, interlocking is removed, and door closure can be opened, owing to do not establish interlocking between scram button and the isolating switch, if the maintenance personal does not press scram button because of carelessness this moment, the isolating switch end of incoming cables still has electricity, still have the hidden danger that has an accident, and this does not meet " safety regulations in coal mine " at the colliery subsurface environment.
The purpose of this utility model is to improve existing colliery flame proof electric interlocking installation, installing one interlocking device between door-opening mechanism, isolator operating mechanism and scram button operating mechanism, to form dual interlock, the restriction operating personnel can only operate by the program that designs, when opening the door, be in off-position in the electric box to guarantee to keep in repair.
Design of the present utility model is: the interlocking device that installing is made up of baffle plate and fanning strip between isolator operating mechanism and scram button operating mechanism.Fanning strip links together with the annular slab in circle cover and the former flame proof electrical interlocking frame structure, and is fixed on the setting stick axle by pin, has a breach on the fanning strip.One end of baffle plate is fixed on the push button shaft by back-up ring, and the other end of baffle plate may be stuck in the breach on the fanning strip, makes by baffle plate to form interlocking between push-botton operation mechanism and the isolator operating mechanism; If will open door, must press earlier scram button shutoff stroke switch, deenergization.Promptly press scram button and drive baffle plate, make the breach in the baffle plate disengaging fanning strip, at this moment could open the door by the disconnecting switch operation operating mechanism.
The utility model has been owing to installed interlocking device between isolator operating mechanism and scram button operating mechanism, thereby can guarantee safety operation, and it is simple in structure, and reliable in action is easy to operate.
Fig. 1. the schematic diagram of mechanical electric interlock.
Fig. 2. the A of Fig. 1 is to view.
Fig. 3. the B of Fig. 1 is to view.
The utility model is further described with embodiment below in conjunction with accompanying drawing:
The mechanical electric interlock that the utility model proposes comprises door-opening mechanism, isolator operating mechanism, is used to disconnect the scram button operating mechanism of preceding level power supply and the interlocking device that is made of baffle plate (5) and fanning strip (12), as Fig. 1, Fig. 2, shown in Figure 3.Door-opening mechanism is formed by the handgrip that opens the door (7) of tooth (2a) engagement by circle door (2) with the circle door.Isolator operating mechanism comprise adjustable push rod (1) on the circle door, with the separable gib head pull bar (3) that contacts of adjustable push rod, arc setting stick (6), the handle (6a) that connects with the setting stick activity, and the affixed setting stick axle (6b) of setting stick, setting stick axle (6b) end connects cam (10), annular slab (12b) and isolating switch (15) successively, and the shift fork two ends of isolating switch (15) connect shift bar (16) and annular slab (12b) respectively.Suddenly stopping operating mechanism is made up of push button shaft (4a), the button (4) and the travel switch (8) that connect with push button shaft (4a) activity.Between isolator operating mechanism and scram button operating mechanism, installed the interlocking device that forms by baffle plate (5) and fanning strip (12); Fanning strip (12) is linked together by the annular slab (12b) in circle cover (12a) and the former flame proof electrical interlocking frame structure, and is fixed on the setting stick axle (6b) by pin (13), also has a breach (12c) on the fanning strip (12); One end of baffle plate (5) is enclosed within on the push button shaft (4a) by back-up ring (9), promptly forms interlocking in the other end of baffle plate (5) is stuck in breach (12c) on the fanning strip (12).
Adjustable push rod (1) in the mechanical electric interlock is fixed on the circle door (2), and withstand an end of gib head pull bar (3), gib head pull bar (3) can upward freely rotate at the axle (3a) that is fixed on the casing, spring (3b) acts between gib head pull bar and the casing, after door is opened, adjustable push rod (1) breaks away from gib head pull bar (3), under the tension of spring (3b), the gib head of gib head pull bar (3) is hooked in the breach of cam (10), button (4) and push button shaft (4a) loose joint, one end of baffle plate (5) is enclosed within on the push button shaft (4a) with back-up ring (9), the other end is stuck in the breach (12c) of fanning strip (12), fanning strip (12) and circle cover (12a), annular slab (12b) is fixed together and is fixed on the setting stick axle (6b) with pin (13), cam (10) is fixed on the setting stick axle (6b) with pin (11), setting stick (6) and setting stick axle (6b) are affixed, and and handle (6a) pass through a bearing pin (6c) loose joint.
The handle (7) that opens the door is movably connected with the axle (7a) that is fixed on the casing, and meshes together with the tooth (2a) that is fixed on the circle door (2).
Travel switch (8) is fixed on the casing.
One end parts of shift fork (14) is affixed with an end of pin (14a), axle (14b) respectively, the other end of pin (14a) is actively socketed in the slotted hole of annular slab (12b), the other end of axle (14b) is actively socketed on casing and is fixed in the bearing (17), and the other end of shift fork (14) is stuck on the shift bar (16) in the isolating switch (15) that is fixed on the casing.
Mechanism shown in the Figure of description is in blocking, and at this moment door can not be opened.
If will open door, necessary first shutoff stroke switch (8), level power supply before disconnecting, promptly press scram button (4) and drive baffle plate (5), make the breach (12c) in baffle plate (5) the disengaging fanning strip, but just actuating handle (6a) at this moment, make it to turn an angle, drive annular slab (12b), shift fork (14), isolating switch handle (16) disconnect isolating switch (15), and at this moment the arc notch of setting stick (6) pushes the position of the handgrip tip motions track that opens the door, and the handgrip that opens the door just can be operated door is opened; Men Kaihou, gib head pull bar (3) breaks away from adjustable push rod (1), and under spring (3b) effect, gib head is hooked in the breach of cam (10), makes it locking, and handle (6) just can not arbitrarily be operated.Because the breach (12c) of fanning strip (12) had forwarded the another location to when door was opened, baffle plate (5) is blocked by fanning strip (12), can not reset, and promptly button (4) is inactive, and travel switch (8) can not be opened, and whole electric box can not be switched on.
Under the situation that circle door (2) is opened, connect preceding level power supply if open travel switch (8), the necessary general utility tool special operational of using can, otherwise door can only be shut, only open the door handgrip (7) when returning to the origin-location, the ability operating grip, drive isolator operating mechanism and open isolating switch (15), at this moment the breach (12c) on the fanning strip (12) also returns to the home position, baffle plate (5) can freely be stuck in the breach (12c) of fanning strip (12), scram button (4) just can reset, travel switch (8) closure, energized.
Claims (1)
1, a kind of mechanical electric interlock comprises door-opening mechanism, isolator operating mechanism and scram button operating mechanism, it is characterized in that:
The interlocking device that installing is made up of baffle plate (5) and fanning strip (12) between isolator operating mechanism and scram button operating mechanism; Fanning strip (12) links together with the annular slab (12b) in circle cover (12a) and the former flame proof electrical interlocking frame structure, and is fixed on the setting stick axle (6b) by pin (13), also has a breach (12c) on the fanning strip (12); One end of baffle plate (5) is fixed on the push button shaft (4a) by back-up ring (9), promptly forms interlocking in the other end of baffle plate (5) is stuck in breach (12c) on the fanning strip (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208912 CN2151528Y (en) | 1993-04-12 | 1993-04-12 | Electromechanic linkage locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208912 CN2151528Y (en) | 1993-04-12 | 1993-04-12 | Electromechanic linkage locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151528Y true CN2151528Y (en) | 1993-12-29 |
Family
ID=33791251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93208912 Expired - Fee Related CN2151528Y (en) | 1993-04-12 | 1993-04-12 | Electromechanic linkage locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151528Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263570B (en) * | 2005-09-13 | 2011-12-07 | 阿雷瓦T&D股份有限公司 | Mechanism for controlling a current distributing cell and tumbler therefor |
| CN103177889A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Electrical interlocking mechanism |
| CN115313191A (en) * | 2022-08-27 | 2022-11-08 | 浙江中能工程设计有限公司 | Power engineering power distribution cabinet with protection function and protection method thereof |
-
1993
- 1993-04-12 CN CN 93208912 patent/CN2151528Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263570B (en) * | 2005-09-13 | 2011-12-07 | 阿雷瓦T&D股份有限公司 | Mechanism for controlling a current distributing cell and tumbler therefor |
| CN103177889A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Electrical interlocking mechanism |
| CN103177889B (en) * | 2012-12-24 | 2016-08-03 | 宁波优维电力科技有限公司 | A kind of electrical interlocking mechanism |
| CN115313191A (en) * | 2022-08-27 | 2022-11-08 | 浙江中能工程设计有限公司 | Power engineering power distribution cabinet with protection function and protection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |