CN105244791B - One kind removes intermediate switchgear cabinet mechanical interlocks - Google Patents
One kind removes intermediate switchgear cabinet mechanical interlocks Download PDFInfo
- Publication number
- CN105244791B CN105244791B CN201410280980.5A CN201410280980A CN105244791B CN 105244791 B CN105244791 B CN 105244791B CN 201410280980 A CN201410280980 A CN 201410280980A CN 105244791 B CN105244791 B CN 105244791B
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- Prior art keywords
- cabinet
- connecting lever
- lock pin
- slide bar
- valve
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- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
One kind removes intermediate switchgear cabinet mechanical interlocks.It is simple in construction to provide one kind, convenient operation, ensure safe operation removes the anti-error mechanical interlocks of intermediate switchgear cabinet.The switch cubicle includes cabinet and mobile handcart, and the cabinet has upper valve and lower valve, and the mobile handcart is actively installed in the cabinet；The mechanical interlocks includes a pair of interlock assemblies, and the pair of interlock assembly is respectively provided at the both sides of the mobile handcart.The present invention effectively prevents staff from touching powered position by mistake, eliminates potential safety hazard, securely and reliably.
Description
Technical field
The present invention relates to the safety device of switch cubicle, more particularly to remove the anti-error mechanical interlocking dress of intermediate switchgear cabinet
Put.
Background technology
At present, it is to use more universal power supply unit to remove intermediate switchgear cabinet, but is overhauled in normal device（Check）
Or during prerun, because mobile handcart needs to be moved to testing position by operating position, then will be right outside mobile handcart pull-out cabinet
Breaker carries out the maintenance of relevant item（Check）And prerun, although equipped with protection isolation plate washer before upper and lower stationary contact head-room（It is living
Door）, isolation plate washer realizes mechanical linkage with mobile handcart, but quite a few to the in-service operation of current power network switchs middle-placed switch cabinet
Mechanical linkage is only equipped with the circuit breaker cart matched somebody with somebody, has no mechanical interlocks, handcart is particularly moved and pulls out cabinet
Protection isolation plate washer still can move up and down random opening before upper and lower stationary contact head-room after body, it is easy to form staff's meaning
It is outer to touch powered position by mistake（Static contact）, personnel's electric shock accidents is caused, so as to be difficult to ensure that the personal safety of staff.
The content of the invention
The present invention be directed to problem above, there is provided and it is a kind of simple in construction, it is convenient to operate, ensure to put in the removing of safe operation
The anti-error mechanical interlocks of formula switch cubicle.
The technical scheme is that：The switch cubicle includes cabinet and mobile handcart, the cabinet have upper valve and
Lower valve, the mobile handcart are actively installed in the cabinet；The mechanical interlocks includes a pair of interlock assemblies, and described one
Be respectively provided at the both sides of the mobile handcart to interlock assembly, the interlock assembly include upper valve connecting lever, upper valve lock pin, under
Valve connecting lever, lower valve lock pin, lock pin fixed plate, slide bar one, slide bar two, a pair of springs, sliding panel, sliding panel push rod, sliding block
Plate push rod baffle plate, slider bracket, valve lift guide plate, a pair of valve guide rods,
The upper valve connecting lever and lower valve connecting lever have lockpin hole, the upper valve connecting lever and lower valve connecting lever point respectively
It is not movably connected on the inwall of the cabinet,
The upper valve lock pin and lower valve lock pin are connected in the lock pin fixed plate, the upper valve lock pin and
Lower valve lock pin corresponds the lockpin hole of the upper valve connecting lever and lower valve connecting lever respectively；
The valve lifts the side that guide plate is located at the mobile handcart, and the slider bracket is located at the interior of the cabinet
Wall, the slider plate push rod baffle plate are located in the slider bracket, and the valve lifts guide plate and drives the slider plate push rod gear
Plate acts,
The slider plate push rod baffle plate connects the sliding panel push rod, and the sliding panel push rod connects the sliding panel, institute
State slide bar one and slide bar two be connected on the sliding panel,
The lock pin fixed plate is connected on the slide bar one and slide bar two and between the sliding panel and cabinet,
The pair of spring is connected on the slide bar one and slide bar two and between the lock pin fixed plate and cabinet,
The pair of valve guide rod is connected between the upper valve connecting lever and upper valve, the lower valve connecting lever and
Between lower valve.
The upper valve connecting lever and lower valve connecting lever are respectively provided at the both sides of the sliding panel.
Also include fixed plate, the fixed plate is located at the inwall of the cabinet, and the slide bar one and slide bar two connect respectively
In the fixed plate.
Mechanical interlocks in the present invention ensures mobile handcart push-in cabinet on the basis of original function is not influenceed
When, its mechanical interlocking automatic unlocking；When handcart releases cabinet, its mechanical interlocking locks automatically.If desired valve is opened, using special
Mechanical interlocking could be released with instrument.In work, slider plate push rod baffle plate, sliding panel push rod, sliding panel, slide bar are passed sequentially through
First, slide bar two, lock pin fixed plate and a pair of spring actions, the lock pin in lock pin fixed plate is controlled to be connected to valve connecting lever with
The lockpin hole of valve connecting lever, connection is realized, then upper and lower valve action, behaviour are controlled by valve guide rod by upper and lower valve connecting lever
Make simple and reliable, avoid anti-misoperation.
The present invention effectively prevents staff from touching powered position by mistake, eliminates potential safety hazard, securely and reliably.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the structural representation of interlock assembly in the present invention；
Fig. 1 is mobile handcart, and 2 be slider bracket, and 3 be lower valve connecting lever, and 4 be lower valve lock pin, and 5 be sliding panel, and 6 be bullet
Spring, 7 be slide bar one, and 8 be upper valve connecting lever, and 9 be slide bar two, and 10 be upper valve lock pin, and 11 be lock pin fixed plate, and 12 be sliding panel
Push rod, 13 be cabinet, and 14 be that valve lifts guide plate, and 15 be mobile handcart guide rail, and 16 be slider plate push rod baffle plate, and 17 be upper work
Door, 18 be lower valve, and 19 be fixed plate, and 20 be valve guide rod.
Embodiment
As shown in Figure 1-2, the switch cubicle includes cabinet 13 and mobile handcart 1 to the present invention, and the cabinet 13 has upper work
Door 17 and lower valve 18, the mobile handcart 1 are actively installed in the cabinet 13（Mobile handcart guide rail 15 is provided with cabinet, just
In mobile handcart movement）；The mechanical interlocks includes a pair of interlock assemblies, and the pair of interlock assembly is respectively provided at described
The both sides of mobile handcart 1, the interlock assembly include upper valve connecting lever 8, upper valve lock pin 10, lower valve connecting lever 3, lower valve lock
Pin 4, lock pin fixed plate 11, slide bar 1, slide bar 29, a pair of springs 6, sliding panel 5, sliding panel push rod 12, slider plate push rod gear
Plate 16, slider bracket 2, valve lift guide plate 14, a pair of valve guide rods 20,
The upper valve connecting lever 8 and lower valve connecting lever 3 have lockpin hole respectively, and the upper valve connecting lever 8 and lower valve turn
Arm 3 is respectively and movably connected on the inwall of the cabinet 13, and both are movably connected in the inwall of cabinet by same rotating shaft；
The upper valve lock pin 10 and lower valve lock pin 4 are connected in the lock pin fixed plate 11, the upper valve
Lock pin 10 and lower valve lock pin 4 correspond the lockpin hole of the upper valve connecting lever and lower valve connecting lever respectively；
The valve lifts the side that guide plate 14 is located at the mobile handcart 1, and the slider bracket 2 is located at the cabinet
Inwall, the slider plate push rod baffle plate 16 are located in the slider bracket 2, and the valve lifts guide plate 14 and drives the slider plate
Push rod baffle plate 16 acts, the slider plate push rod baffle plate, sliding panel push rod, sliding panel, slide bar one, slide bar two, lock pin fixed plate,
A pair of springs are sequentially arranged between mobile handcart and cabinet inwall；In work, the valve lifts guide plate and can be set to wedge, leads to
Crossing wedge structure causes slider plate push rod baffle plate to move, convenient operation；Valve lifts between guide plate and slider plate push rod baffle plate
Contact surface is arranged to inclined-plane, the movement of slider plate push rod baffle plate is realized by the movable movement for lifting guide plate, both are planar
Moved in 90 ° of directions.
The slider plate push rod baffle plate 16 connects the sliding panel push rod 12, and the sliding panel push rod 12 connects the slip
Plate 5, the slide bar 1 and slide bar 29 are connected on the sliding panel 5,
The lock pin fixed plate 11 is connected on the slide bar 1 and slide bar 29 and is located at the sliding panel and cabinet
（Inwall）Between, the pair of spring 6 is connected on the slide bar 1 and slide bar 29 and is located at the lock pin fixed plate
And cabinet（Inwall）Between,
The pair of valve guide rod 20 is connected between the upper valve connecting lever 8 and upper valve 17, the lower valve
Between connecting lever 3 and lower valve 18.
The upper valve connecting lever and lower valve connecting lever are respectively provided at the both sides of the sliding panel, reasonable utilization space, improve
The reliability of operation.
Also include fixed plate 19, the fixed plate 19 is located at the inwall of the cabinet 13, the slide bar 1 and slide bar 29
It is connected in the fixed plate 19, improves the reliability of connection.
The present invention the course of work be：
1st, mobile handcart is released outside cabinet：Mobile handcart is released out of cabinet, effect of the lock pin fixed plate 11 in spring 6
Under, lock pin movement is driven, is made in the upper valve connecting lever 8 of lock pin insertion and lower valve connecting lever 3, valve connecting lever is locked out moving,
Valve 17 and lower valve 18 are opened in guarantee.
2nd, mobile handcart enters in cabinet：In mobile handcart push-in cabinet（It is moved to testing position）, valve lifts guide plate
14 band movable slider push rod baffle plates 16 move, and sliding block push rod baffle plate 16 is pushed down sliding panel push rod 12 and moved, and pusher 12 passes through cunning
The band pendulum lock pin of bar one, two fixed plate 11 moves, and lock pin moves with lock pin fixed plate 11, lock pin is exited lockpin hole, upper and lower valve
Connecting lever can activity.
Claims (3)
1. one kind removes intermediate switchgear cabinet mechanical interlocks, the switch cubicle includes cabinet and mobile handcart, the cabinet
With upper valve and lower valve, the mobile handcart is actively installed in the cabinet；Characterized in that, the mechanical interlocks
Including a pair of interlock assemblies, the pair of interlock assembly is respectively provided at the both sides of the mobile handcart, and the interlock assembly includes
Upper valve connecting lever, upper valve lock pin, lower valve connecting lever, lower valve lock pin, lock pin fixed plate, slide bar one, slide bar two, a pair of bullets
Spring, sliding panel, sliding panel push rod, slider plate push rod baffle plate, slider bracket, valve lift guide plate, a pair of valve guide rods,
The upper valve connecting lever and lower valve connecting lever have lockpin hole respectively, and the upper valve connecting lever and lower valve connecting lever are lived respectively
It is dynamic to be connected on the inwall of the cabinet,
The upper valve lock pin and lower valve lock pin are connected in the lock pin fixed plate, the upper valve lock pin and lower work
Door catch corresponds the lockpin hole of the upper valve connecting lever and lower valve connecting lever respectively；
The valve lifts the side that guide plate is located at the mobile handcart, and the slider bracket is located at the inwall of the cabinet, institute
State slider plate push rod baffle plate to be located in the slider bracket, the valve lifts guide plate and drives the slider plate push rod baffle plate to move
Make,
The slider plate push rod baffle plate connects the sliding panel push rod, and the sliding panel push rod connects the sliding panel, the cunning
Bar one and slide bar two are connected on the sliding panel,
The lock pin fixed plate is connected on the slide bar one and slide bar two and between the sliding panel and cabinet, described
A pair of springs are connected on the slide bar one and slide bar two and between the lock pin fixed plate and cabinet,
The pair of valve guide rod is connected between the upper valve connecting lever and upper valve, the lower valve connecting lever and lower work
Between door.
2. one kind according to claim 1 removes intermediate switchgear cabinet mechanical interlocks, it is characterised in that the upper work
Door connecting lever and lower valve connecting lever are respectively provided at the both sides of the sliding panel.
3. one kind according to claim 1 removes intermediate switchgear cabinet mechanical interlocks, it is characterised in that also includes solid
Fixed board, the fixed plate are located at the inwall of the cabinet, and the slide bar one and slide bar two are connected in the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280980.5A CN105244791B (en) | 2014-06-20 | 2014-06-20 | One kind removes intermediate switchgear cabinet mechanical interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280980.5A CN105244791B (en) | 2014-06-20 | 2014-06-20 | One kind removes intermediate switchgear cabinet mechanical interlocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105244791A CN105244791A (en) | 2016-01-13 |
| CN105244791B true CN105244791B (en) | 2017-12-29 |
Family
ID=55042327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410280980.5A Active CN105244791B (en) | 2014-06-20 | 2014-06-20 | One kind removes intermediate switchgear cabinet mechanical interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244791B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848900B (en) * | 2017-03-06 | 2019-03-08 | 天津平高智能电气有限公司 | Front door of switch cabinet locking device and the switchgear for using the locking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959489Y (en) * | 2006-04-30 | 2007-10-10 | 上海中科电气(集团)有限公司 | Safety flexible-gate mechanical interlocking device of high-voltage switch cabinet |
| CN201594708U (en) * | 2009-12-28 | 2010-09-29 | 广州白云电器设备股份有限公司 | Front-gate interlocking structure for central AC metal-enclosed switchgear |
| CN202564845U (en) * | 2012-05-18 | 2012-11-28 | 成都航利电气有限公司 | 40.5kV metal armoured withdrawable central-positioned high-tension switch cabinet |
| CN103050901A (en) * | 2013-01-06 | 2013-04-17 | 杭州恒信电气有限公司 | Locking devices of valves in armoured movable-type metal-enclosed switchgear |
| CN203932773U (en) * | 2014-06-20 | 2014-11-05 | 国家电网公司 | Remove intermediate switchgear cabinet mechanical interlocks |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI122438B (en) * | 2009-03-27 | 2012-01-31 | Abloy Oy | Lower lock for a passive door leaf to a pair door |
-
2014
- 2014-06-20 CN CN201410280980.5A patent/CN105244791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959489Y (en) * | 2006-04-30 | 2007-10-10 | 上海中科电气(集团)有限公司 | Safety flexible-gate mechanical interlocking device of high-voltage switch cabinet |
| CN201594708U (en) * | 2009-12-28 | 2010-09-29 | 广州白云电器设备股份有限公司 | Front-gate interlocking structure for central AC metal-enclosed switchgear |
| CN202564845U (en) * | 2012-05-18 | 2012-11-28 | 成都航利电气有限公司 | 40.5kV metal armoured withdrawable central-positioned high-tension switch cabinet |
| CN103050901A (en) * | 2013-01-06 | 2013-04-17 | 杭州恒信电气有限公司 | Locking devices of valves in armoured movable-type metal-enclosed switchgear |
| CN203932773U (en) * | 2014-06-20 | 2014-11-05 | 国家电网公司 | Remove intermediate switchgear cabinet mechanical interlocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244791A (en) | 2016-01-13 |
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