CN105244791A - Mechanical interlocking apparatus of movable central-positioned switch cabinet - Google Patents
Mechanical interlocking apparatus of movable central-positioned switch cabinet Download PDFInfo
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- CN105244791A CN105244791A CN201410280980.5A CN201410280980A CN105244791A CN 105244791 A CN105244791 A CN 105244791A CN 201410280980 A CN201410280980 A CN 201410280980A CN 105244791 A CN105244791 A CN 105244791A
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- connecting lever
- cabinet
- lock pin
- slide bar
- valve
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Abstract
The invention relates to a mechanical interlocking apparatus of a movable central-positioned switch cabinet, wherein the anti-error mechanical interlocking apparatus of the movable central-positioned switch cabinet is simple in structure, convenient to operate and capable of ensuring the operation security. The switch cabinet comprises a cabinet body and a moving handcart, wherein the cabinet body is provided with an upper valve and a lower valve, and the moving handcart is movably arranged in the cabinet body. The mechanical interlocking apparatus comprises a pair of interlocking assemblies, wherein the interlocking assemblies are respectively arranged at two sides of the moving handcart. The mechanical interlocking apparatus effectively prevents the staff from mistakenly touching an electrified part, thereby eliminating potential safety hazards, and being safe and reliable.
Description
Technical field
The present invention relates to the safety device of switch cubicle, particularly relate to and remove the anti-error mechanical interlocks of intermediate switchgear cabinet.
Background technology
At present, removing intermediate switchgear cabinet is use comparatively general power supply unit, but in normal device maintenance (inspection) or prerun process, because mobile handcart needs to move to test position by service position, again by outer maintenance (inspection) and prerun circuit breaker being carried out to relevant item of mobile handcart pull-out cabinet, although on, protection isolation plate washer (valve) is housed before lower stationary contact head-room, isolation plate washer and mobile handcart realize mechanical linkage, but be only equipped with mechanical linkage to quite a few switch middle-placed switch cabinet of the in-service operation of current electrical network with the circuit breaker cart of joining, there is no mechanical interlocks, particularly move on after handcart pull-out cabinet, before lower stationary contact head-room, protection isolation plate washer still can move up and down and arbitrarily open, be easy to form staff and surprisingly touch charged position (fixed contact) by mistake, cause personnel's electric shock accidents, thus be difficult to the personal safety ensureing staff.
Summary of the invention
The present invention is directed to above problem, provide a kind of structure simple, handled easily, what ensure handling safety removes the anti-error mechanical interlocks of intermediate switchgear cabinet.
Technical scheme of the present invention is: described switch cubicle comprises cabinet and mobile handcart, and described cabinet has upper valve and lower valve, and described mobile handcart is actively installed in described cabinet; Described mechanical interlocks comprises a pair interlock assembly, described a pair interlock assembly is located at the both sides of described mobile handcart respectively, described interlock assembly comprises valve connecting lever, upper valve lock pin, lower valve connecting lever, lower valve lock pin, lock pin fixed head, slide bar one, slide bar two, a pair spring, sliding panel, sliding panel push rod, slider plate push rod baffle plate, slider bracket, valve mention guide plate, a pair valve guide rod
Described upper valve connecting lever and lower valve connecting lever have lockpin hole respectively, and described upper valve connecting lever and lower valve connecting lever are movably connected on the inwall of described cabinet respectively,
Described upper valve lock pin and lower valve lock pin are connected on described lock pin fixed head, and the lockpin hole of upper valve connecting lever and lower valve connecting lever described in one_to_one corresponding distinguished by described upper valve lock pin and lower valve lock pin;
Described valve mentions the side that guide plate is located at described mobile handcart, and described slider bracket is located at the inwall of described cabinet, and described slider plate push rod baffle plate is located in described slider bracket, and described valve is mentioned guide plate and driven the action of described slider plate push rod baffle plate,
Described slider plate push rod baffle plate connects described sliding panel push rod, and described sliding panel push rod connects described sliding panel, and described slide bar one and slide bar two are connected on described sliding panel,
Described lock pin fixed head to be connected on described slide bar one and slide bar two and between described sliding panel and cabinet, and described a pair spring to be connected on described slide bar one and slide bar two and between described lock pin fixed head and cabinet,
Described a pair valve guide rod is connected between described upper valve connecting lever and upper valve, between described lower valve connecting lever and lower valve.
Described upper valve connecting lever and lower valve connecting lever are located at the both sides of described sliding panel respectively.
Also comprise fixed head, described fixed head is located at the inwall of described cabinet, and described slide bar one and slide bar two are connected on described fixed head.
Mechanical interlocks in the present invention is not affecting on the basis of original function, when ensureing that mobile handcart pushes cabinet, and its mechanical interlocking automatic unlocking; When handcart releases cabinet, its mechanical interlocking automatically locks.If desired open valve, application specific instrument could remove mechanical interlocking.In work, successively by slider plate push rod baffle plate, sliding panel push rod, sliding panel, slide bar one, slide bar two, lock pin fixed head and a pair spring action, the lock pin controlled on lock pin fixed head is connected to the lockpin hole of valve connecting lever and lower valve connecting lever, realize connecting, upper and lower valve action is controlled by valve guide rod again by upper and lower valve connecting lever, operation is simple and reliable, avoids anti-misoperation.
The present invention prevents staff from touching charged position effectively by mistake, eliminates potential safety hazard, safe and reliable.
Accompanying drawing explanation
Fig. 1 is 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 is slider brackets, and 3 is lower valve connecting levers, and 4 is lower valve lock pins, 5 is sliding panels, and 6 is springs, and 7 is slide bars one, and 8 is upper valve connecting levers, 9 is slide bars two, and 10 is upper valve lock pins, and 11 is lock pin fixed heads, 12 is sliding panel push rods, and 13 is cabinets, and 14 is that valve mentions guide plate, 15 is mobile handcart guide rails, and 16 is slider plate push rod baffle plates, and 17 is upper valve, 18 is lower valve, and 19 is fixed heads, and 20 is valve guide rods.
Embodiment
The present invention as shown in Figure 1-2, described switch cubicle comprises cabinet 13 and mobile handcart 1, described cabinet 13 has upper valve 17 and lower valve 18, and described mobile handcart 1 is actively installed in described cabinet 13 (be provided with mobile handcart guide rail 15 in cabinet, be convenient to mobile handcart and move); Described mechanical interlocks comprises a pair interlock assembly, described a pair interlock assembly is located at the both sides of described mobile handcart 1 respectively, described interlock assembly comprises valve connecting lever 8, upper valve lock pin 10, lower valve connecting lever 3, lower valve lock pin 4, lock pin fixed head 11, slide bar 1, slide bar 29, a pair spring 6, sliding panel 5, sliding panel push rod 12, slider plate push rod baffle plate 16, slider bracket 2, valve mention guide plate 14, a pair valve guide rod 20
Described upper valve connecting lever 8 and lower valve connecting lever 3 have lockpin hole respectively, and described upper valve connecting lever 8 and lower valve connecting lever 3 are movably connected on the inwall of described cabinet 13 respectively, and both are movably connected in the inwall of cabinet by same rotating shaft;
Described upper valve lock pin 10 and lower valve lock pin 4 are connected on described lock pin fixed head 11, and the lockpin hole of upper valve connecting lever and lower valve connecting lever described in one_to_one corresponding distinguished by described upper valve lock pin 10 and lower valve lock pin 4;
Described valve mentions the side that guide plate 14 is located at described mobile handcart 1, described slider bracket 2 is located at the inwall of described cabinet, described slider plate push rod baffle plate 16 is located in described slider bracket 2, described valve is mentioned guide plate 14 and is driven the action of described slider plate push rod baffle plate 16, and described slider plate push rod baffle plate, sliding panel push rod, sliding panel, slide bar one, slide bar two, lock pin fixed head, a pair spring are located between mobile handcart and cabinet inwall successively; In work, described valve mentions guide plate can be arranged to wedge, by wedge structure, slider plate push rod baffle plate is moved, handled easily; The contact-making surface that valve is mentioned between guide plate and slider plate push rod baffle plate is arranged to inclined-plane, and the movement of mentioning guide plate by activity realizes the movement of slider plate push rod baffle plate, and both planar move in 90 ° of directions.
Described slider plate push rod baffle plate 16 connects described sliding panel push rod 12, and described sliding panel push rod 12 connects described sliding panel 5, and described slide bar 1 and slide bar 29 are connected on described sliding panel 5,
Described lock pin fixed head 11 to be connected on described slide bar 1 and slide bar 29 and to be positioned between described sliding panel and cabinet (inwall), described a pair spring 6 to be connected on described slide bar 1 and slide bar 29 and to be positioned between described lock pin fixed head and cabinet (inwall)
Described a pair valve guide rod 20 is connected between described upper valve connecting lever 8 and upper valve 17, between described lower valve connecting lever 3 and lower valve 18.
Described upper valve connecting lever and lower valve connecting lever are located at the both sides of described sliding panel respectively, Appropriate application space, improve the reliability of operation.
Also comprise fixed head 19, described fixed head 19 is located at the inwall of described cabinet 13, and described slide bar 1 and slide bar 29 are connected on described fixed head 19, improve the reliability of connection.
The course of work of the present invention is:
1, mobile handcart is released outside cabinet: mobile handcart is released in cabinet, lock pin fixed head 11, under the effect of spring 6, drives lock pin movement, makes lock pin insert in upper valve connecting lever 8 and lower valve connecting lever 3, valve connecting lever is locked can not move, and in guarantee, valve 17 and lower valve 18 are opened.
2, mobile handcart enters in cabinet: mobile handcart pushes in cabinet (moving to test position), valve is mentioned guide plate 14 and is with movable slider push rod baffle plate 16 to move, slide block push rod baffle plate 16 is pushed down sliding panel push rod 12 and is moved, pusher 12 is with pendulum lock pin fixed head 11 to move by slide bar one, two, lock pin moves with lock pin fixed head 11, make lock pin exit lockpin hole, upper and lower valve connecting lever can be movable.
Claims (3)
1. remove an intermediate switchgear cabinet mechanical interlocks, described switch cubicle comprises cabinet and mobile handcart, and described cabinet has upper valve and lower valve, and described mobile handcart is actively installed in described cabinet; It is characterized in that, described mechanical interlocks comprises a pair interlock assembly, described a pair interlock assembly is located at the both sides of described mobile handcart respectively, described interlock assembly comprises valve connecting lever, upper valve lock pin, lower valve connecting lever, lower valve lock pin, lock pin fixed head, slide bar one, slide bar two, a pair spring, sliding panel, sliding panel push rod, slider plate push rod baffle plate, slider bracket, valve mention guide plate, a pair valve guide rod
Described upper valve connecting lever and lower valve connecting lever have lockpin hole respectively, and described upper valve connecting lever and lower valve connecting lever are movably connected on the inwall of described cabinet respectively,
Described upper valve lock pin and lower valve lock pin are connected on described lock pin fixed head, and the lockpin hole of upper valve connecting lever and lower valve connecting lever described in one_to_one corresponding distinguished by described upper valve lock pin and lower valve lock pin;
Described valve mentions the side that guide plate is located at described mobile handcart, and described slider bracket is located at the inwall of described cabinet, and described slider plate push rod baffle plate is located in described slider bracket, and described valve is mentioned guide plate and driven the action of described slider plate push rod baffle plate,
Described slider plate push rod baffle plate connects described sliding panel push rod, and described sliding panel push rod connects described sliding panel, and described slide bar one and slide bar two are connected on described sliding panel,
Described lock pin fixed head to be connected on described slide bar one and slide bar two and between described sliding panel and cabinet, and described a pair spring to be connected on described slide bar one and slide bar two and between described lock pin fixed head and cabinet,
Described a pair valve guide rod is connected between described upper valve connecting lever and upper valve, between described lower valve connecting lever and lower valve.
2. one according to claim 1 removes intermediate switchgear cabinet mechanical interlocks, it is characterized in that, described upper valve connecting lever and lower valve connecting lever are located at the both sides of described sliding panel respectively.
3. one according to claim 1 removes intermediate switchgear cabinet mechanical interlocks, it is characterized in that, also comprises fixed head, and described fixed head is located at the inwall of described cabinet, and described slide bar one and slide bar two are connected on described fixed head.
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 true CN105244791A (en) | 2016-01-13 |
| CN105244791B CN105244791B (en) | 2017-12-29 |
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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 |
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| Country | Link |
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| CN (1) | CN105244791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848900A (en) * | 2017-03-06 | 2017-06-13 | 天津平高智能电气有限公司 | Front door of switch cabinet locking device and the switch cubicle using the locking device |
Citations (6)
| 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 |
| US20110309641A1 (en) * | 2009-03-27 | 2011-12-22 | Juha Raatikainen | Lower lock of the passive door blade of a double door |
| 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 |
-
2014
- 2014-06-20 CN CN201410280980.5A patent/CN105244791B/en active Active
Patent Citations (6)
| 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 |
| US20110309641A1 (en) * | 2009-03-27 | 2011-12-22 | Juha Raatikainen | Lower lock of the passive door blade of a double door |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848900A (en) * | 2017-03-06 | 2017-06-13 | 天津平高智能电气有限公司 | Front door of switch cabinet locking device and the switch cubicle using the locking device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244791B (en) | 2017-12-29 |
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