CN204178969U - Back door of high-tension switch cubicle blocking mechanism - Google Patents
Back door of high-tension switch cubicle blocking mechanism Download PDFInfo
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- CN204178969U CN204178969U CN201420577923.9U CN201420577923U CN204178969U CN 204178969 U CN204178969 U CN 204178969U CN 201420577923 U CN201420577923 U CN 201420577923U CN 204178969 U CN204178969 U CN 204178969U
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- back door
- connecting rod
- latch plate
- switch
- transmission
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000000903 blocking effect Effects 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a kind of back door of high-tension switch cubicle blocking mechanism, comprise cabinet, operating room and driving mechanism, driving mechanism is provided with transmission main shaft and drive, by drive transmission back door locking and auxiliary switch transmission mechanism, operating means drives transmission main shaft to rotate through transmission mechanism, the sheave device driving isolation linked with transmission main shaft, earthed switch, operation board is arranged in cabinet through fixed axis, back door blocking mechanism is provided with latch plate, connecting rod and the spring that latch plate is resetted, latch plate there is alignment pin, connecting rod one end is connected with latch plate, its other end controls the opening and closing of catch in back door lock, drive is provided with breach, and latch plate is provided with the projection matched with breach, and when drive rotates, breach drives latch plate motion through projection, drives back door block action.The utility model solves the problem that tandem in operating process is made mistakes, and reaches " five prevent " highly reliable requirement, decreases misoperation and occur, and structure is simple, mechanical flexibly, rapid operation.
Description
Technical field
The utility model relates to the back door blocking mechanism in electrical equipment complete switch technical equipment field, particularly a kind of fixed high-voltage switch cubicle.
Background technology
In high pressure assembled electric equipment, in order to the personal safety of the reliability service and operator that ensure metal enclosed switchgear, the operation of the isolating switch of high-tension switch cabinet, circuit breaker, earthed switch, cabinet door must meet " five prevent " interlock requirement according to national regulation: 1, prevent by mistake point and falsely close circuit breaker; 2, prevent on-load from dividing, close insulating contact; 3, live connection of ground wire is prevented; 4, prevent band ground wire from closing isolating switch; 5, mistakenly entering charged chamber is prevented.Traditional high-tension switch cabinet, the anti-misoperation of its isolating switch and conjuncted vacuum short-circuiting device generally adopts movable procedure lock, but this movable procedure lock is because mobile process parts people for a change can become unreliable, and have multiple hole to insert with the selectivity of pin to coordinate, also easy clamping stagnation and unreliable; Also because movable part displacement sometimes, its clamping stagnation etc. is caused to cause using inconvenience.
Have installation high-voltage electrification display on cabinet door, door installs electromagnetic lock, when having high pressure like this in cabinet, display is bright, reminds and has electricity, and cabinet door electromagnetic lock is blocked simultaneously, and cabinet door cannot be opened.The shortcoming of this design be required element costly, hole for installing electrification display and electromagnetic lock must be offered on cabinet door, especially when cabinet door is in opening, because electromagnetic lock is inoperative, also must take to pin isolating switch and not allow its measure of closing a floodgate; Another kind be exactly vacuum contactor point, close adopt change over switch, the LWR change over switch generally known as adopted industry, program control is carried out with procedure lock, this design can not use push-botton operation vacuum contactor, and on cabinet door, need perforate to lock with installation procedure, whole complex operation, cost is also higher.
The operation board of employing four transverse arrangement of turbo also had, operation board connects upper and lower isolating switch by connecting rod, upper and lower earthed switch, handle hole is directly arranged on operation board, radical occlusion device do not established by handle hole, itself and circuit breaker are interlocked complexity, and this mechanism causes switch cubicle lateral dimension large and high especially to operation requirements, also easy misoperation; Some operating mechanisms adopt passive type positive lock four operating axis to realize upper and lower isolating switch in switch cubicle, upper and lower earthed switch, the interlocking of circuit breaker; Easily operating mechanism is damaged during this passive type interlocking device operation.Also have handle hole to stop and adopt multichip connection form, connect fulcrum many, parts are many, high with switch cubicle installation difficulty, poor reliability, and likely misoperation.
Utility model content
The utility model object overcomes the deficiencies in the prior art, provides good and safe and reliable, the simple to operate volume of a kind of linkage little, can meet the fixed high-voltage switch cubicle back door blocking mechanism of " five prevent " interlock requirement.
The utility model proposes following technical scheme: a kind of back door of high-tension switch cubicle blocking mechanism, comprise cabinet, the bottom of cabinet and sidepiece setting operation room and link case respectively, be provided with the driving mechanism be connected with the operating means in operating room in cabinet, control end is for controlling the connecting and disconnecting of Qianmen locking, back door locking transmission mechanism and circuit breaker, operation board in operating means is provided with gathering hole, it is characterized in that: driving mechanism is provided with transmission main shaft and is placed in the drive on transmission main shaft, by drive transmission back door locking transmission mechanism and auxiliary switch transmission mechanism, operating means drives transmission main shaft to rotate through transmission mechanism, transmission main shaft interlock sheave device be used for driving isolation switch, earthed switch, operation board is arranged in cabinet through fixed axis, back door locking transmission mechanism is provided with latch plate, connecting rod and the spring for making latch plate reset, latch plate is equipped with alignment pin, connecting rod one end is connected with latch plate, the opening and closing of catch in the other end connection control back door lock of connecting rod, drive is provided with breach, and latch plate is provided with the projection matched with breach, and when drive rotates, breach drives latch plate motion, to realize the driving to back door locking through protruding.
Described auxiliary switch transmission mechanism comprises first connecting rod, second connecting rod, first connecting rod is mutually vertical with the link of second connecting rod, described drive is provided with crank slot, first connecting rod one end is placed in crank slot, the other end is connected with second connecting rod, and drive rotates and drives the driving of second connecting rod motion formation to auxiliary switch station through first connecting rod.
Described sheave device is arranged on swivelling chute arm by fixed axis, groove arm is provided with the driving groove with trundle corresponding matching, driving groove is double airfoil type symmetrically, be arranged on the sheave on transmission main shaft and trundle is installed, trundle is parallel to fixed axis direction and arranges, and sheave rotates and drives groove arm to rotate the driving realized isolating switch, earthed switch station through trundle.
The utility model solves the problem that tandem in operating process is made mistakes, thus ensure that operating process meets operational procedure, reach " five prevent " highly reliable requirement, farthest decrease the generation of misoperation, operate simpler, laborsaving, farthest improve the fail safe that power supply unit is safeguarded, the stability of operation and reliability.Its remarkable result is: 1, isolating switch, circuit breaker, earthed switch can interactively be interlocked, and make interlocking device naturally realize following functions in operation: operation sequence is correct, successful operation, and operation sequence is incorrect, operates unsuccessful; 2, structure is simple, machinery is flexible, reliable in function; 3, part processing is simple, can use in the multiple cabinet type machines such as incoming line cabinet, outgoing line cabinet, PT cabinet.
Accompanying drawing explanation
Fig. 1 is this operating mechanism for high voltage switch cabinet schematic diagram.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is switch cubicle transmission mechanism schematic diagram.
The locking of Fig. 4 back door and auxiliary switch driving mechanism schematic diagram.
Embodiment
As shown in Figure 1 and Figure 2, the utility model has the high-tension switch cabinet of modular operation mechanism, comprise cabinet 1, the bottom of cabinet and sidepiece setting operation room and link case respectively, the driving mechanism 14 be connected with the operating means 3 in operating room is provided with in cabinet 1, control end 2 is for controlling the connecting and disconnecting of Qianmen locking, back door locking transmission mechanism 28 and circuit breaker, gate interlock handle 4 before the control port coordinated signals be communicated with by control end 2; Operation board 10 in operating means 3 is provided with gathering hole, the drive 16 that driving mechanism 14 is provided with transmission main shaft 15 and is placed on transmission main shaft 15, operating means 3 drives transmission main shaft 15 to rotate through transmission mechanism 22, the sheave device 19 be in transmission connection with transmission main shaft 15 is for driving isolation switch, earthed switch, driving mechanism 14 also comprise the driving auxiliary switch 5 of setting auxiliary switch transmission mechanism 24 and for driving the back door locking transmission mechanism 28 of back door locking, by drive 16 transmission auxiliary switch transmission mechanism 24 and back door locking transmission mechanism 28.
Shown in Fig. 3 and Fig. 4, transmission main shaft 15 is radially equipped with drive 16, the sheave device 19 be in transmission connection with transmission main shaft 15 is for driving isolation switch, earthed switch, and described operating means 3 drives transmission main shaft 15 to rotate through transmission mechanism 22; Operation board 10 is arranged in cabinet 1 shell through fixed axis 9, fixed axis 9 and transmission main shaft 15 and connecting axle 13 perpendicular, first bevel gear 12 of transmission device 22 is meshed with the second bevel gear 20, is located at the first spur gear 21 on connecting axle 13 and the second spur gear 23 be located on transmission main shaft 15 is meshed; Between first bevel gear 12 and operation board 10, axially adapter sleeve 11 is set, adapter sleeve 11 sidewall is set to planar end surface.
The upper and lower isolating switch of sheave device 19 drived control that transmission main shaft 15 links and upper and lower earthed switch; Sheave device 19 is arranged on (see Fig. 1) on swivelling chute arm 8 by fixed axis 6, groove arm 8 is provided with the driving groove 7 with trundle 18 corresponding matching, driving groove 7 symmetrically double airfoil type, be arranged on the sheave 17 on transmission main shaft 15 and trundle 18 is installed, trundle 18 is parallel to fixed axis 6 direction and arranges, and sheave 17 rotates and drives groove arm 8 to rotate the driving realized isolating switch, earthed switch station through trundle 18.Be located at the groove arm 8 in sheave device 19, sheave 17 and fixed axis 6 and be respectively two, each fixed axis 6 is arranged a groove arm 8, when transmission main shaft 15 rotates, groove arm 8 is driven to move by sheave 17 one by one by isolating switch, earthed switch splitting or integrating order, realize the control to upper isolating switch, lower isolating switch, upper earthed switch, lower earthed switch, and there will not be same point, with closing phenomenon.
As shown in Figure 4, isolating switch in back door locking and auxiliary switch driving mechanism is divided into isolating switch and lower isolating switch, earthed switch is divided into earthed switch and lower earthed switch, back door locking transmission mechanism 28 is provided with latch plate 34, connecting rod 31 and the spring 35 for making latch plate 34 reset, alignment pin 33 latch plate 34 is equipped with, connecting rod 31 one end is connected with latch plate 34 by connecting rod cap 30, the opening and closing of catch in the other end connection control back door lock of connecting rod 31; Drive 16 is provided with breach 26, and latch plate 34 is provided with the projection 27 matched with breach 26, and when drive 16 rotates, breach 26 drives latch plate 34 to move, to realize the driving to back door locking through protruding 27.First connecting rod 32 is provided with at auxiliary switch transmission mechanism 24, second connecting rod 29, first connecting rod 32 is mutually vertical with the link of second connecting rod 29, drive 16 is provided with crank slot 25, described first connecting rod 32 one end is placed in crank slot 25, the other end is connected with second connecting rod 29, and the rotation of described drive 16 drives second connecting rod 29 to move through first connecting rod 32 and then realizes the driving to auxiliary switch station.
The power transmission step of this high-tension switch cabinet: Xian Guan back door, then close Qianmen, when control port rotates to high-tension switch cabinet mode of operation, the handle hole now on operation board is opened, and operation board can rotate; As back door or Qianmen are not closed, Qianmen handle hole cannot be opened; Divide circuit breaker, before handle hole is unlocked, circuit breaker is forced separating brake, and transmission shaft driven leaves the dead ahead of isolator operation end, and earthed switch operating grip is rotated grounding switch tripping; Close upper and lower isolating switch and close circuit breaker and power transmission complete, cannot disconnecting switch operation before breaker open operation, prevent bringing onto load deciliter isolating switch.
Claims (3)
1. a back door of high-tension switch cubicle blocking mechanism, comprise cabinet (1), the bottom of cabinet and sidepiece setting operation room and link case respectively, be provided with the driving mechanism (14) be connected with operating means in operating room (3) in cabinet, control end (2) is for controlling the connecting and disconnecting of Qianmen locking, back door locking transmission mechanism and circuit breaker, operation board (10) in operating means (3) is provided with gathering hole, it is characterized in that: the drive that driving mechanism is provided with transmission main shaft (15) and is placed on transmission main shaft, by drive (16) transmission back door locking transmission mechanism (28) and auxiliary switch transmission mechanism (24), operating means drives transmission main shaft to rotate through transmission mechanism (22), transmission main shaft interlock sheave device (19) for driving isolation switch, earthed switch, operation board (10) is arranged in cabinet through fixed axis (9), back door locking transmission mechanism (28) is provided with latch plate (34), connecting rod (31) and the spring (35) for making latch plate reset, alignment pin (33) latch plate is equipped with, connecting rod one end is connected with latch plate, the opening and closing of catch in the other end connection control back door lock of connecting rod (31), drive (16) is provided with breach (26), and latch plate is provided with the projection (27) matched with breach, and when drive rotates, breach drives latch plate motion, to realize the driving to back door locking through protruding.
2. back door of high-tension switch cubicle blocking mechanism according to claim 1, it is characterized in that: described auxiliary switch transmission mechanism (24) comprises first connecting rod (32), second connecting rod (29), first connecting rod is mutually vertical with the link of second connecting rod, described drive (16) is provided with crank slot (25), first connecting rod one end is placed in crank slot, the other end is connected with second connecting rod, and drive rotates and drives the driving of second connecting rod motion formation to auxiliary switch station through first connecting rod.
3. back door of high-tension switch cubicle blocking mechanism according to claim 1, it is characterized in that: described sheave device (19) is arranged on swivelling chute arm (8) by fixed axis (6), groove arm is provided with the driving groove (7) with trundle (18) corresponding matching, driving groove is double airfoil type symmetrically, be arranged on the sheave (17) on transmission main shaft and trundle (18) is installed, trundle is parallel to fixed axis direction and arranges, and sheave rotates and drives groove arm (8) to rotate the driving realized isolating switch, earthed switch station through trundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577923.9U CN204178969U (en) | 2014-09-27 | 2014-09-27 | Back door of high-tension switch cubicle blocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577923.9U CN204178969U (en) | 2014-09-27 | 2014-09-27 | Back door of high-tension switch cubicle blocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178969U true CN204178969U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577923.9U Expired - Fee Related CN204178969U (en) | 2014-09-27 | 2014-09-27 | Back door of high-tension switch cubicle blocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204178969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823207A (en) * | 2022-03-18 | 2022-07-29 | 珠海优特电力科技股份有限公司 | Operating device of three-position disconnecting link switch and three-position disconnecting link switch |
-
2014
- 2014-09-27 CN CN201420577923.9U patent/CN204178969U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823207A (en) * | 2022-03-18 | 2022-07-29 | 珠海优特电力科技股份有限公司 | Operating device of three-position disconnecting link switch and three-position disconnecting link switch |
| CN114823207B (en) * | 2022-03-18 | 2023-06-09 | 珠海优特电力科技股份有限公司 | Operating device of three-station disconnecting link switch and three-station disconnecting link switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 122000 Chaoyang City Longcheng Industrial Park, cultural road, Liaoning Patentee after: LIAONING DANGKAI ELECTRIC POWER CO.,LTD. Address before: 122000 Chaoyang City Longcheng Industrial Park, cultural road, Liaoning Patentee before: Chaoyang Dangkai Electric Power Switch Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |