CN102611024A - Handcart for electricity checking and grounding of main bus and feed line branch - Google Patents
Handcart for electricity checking and grounding of main bus and feed line branch Download PDFInfo
- Publication number
- CN102611024A CN102611024A CN2011100257746A CN201110025774A CN102611024A CN 102611024 A CN102611024 A CN 102611024A CN 2011100257746 A CN2011100257746 A CN 2011100257746A CN 201110025774 A CN201110025774 A CN 201110025774A CN 102611024 A CN102611024 A CN 102611024A
- Authority
- CN
- China
- Prior art keywords
- handcart
- ground connection
- electrical verification
- support
- main bus
- 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.)
- Pending
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The invention discloses a handcart for electricity checking and grounding of a main bus and a feed line branch. The handcart comprises a chassis, a roller below the chassis, a support and a panel on the chassis, a live display on the panel, and an upper electricity checking contact arm, a lower electricity checking contact arm and a high-voltage sensor fixed on the support, wherein a grounding interlock mechanism is arranged on the support. The breaker handcart has the integrated functions of electricity checking and grounding function, and is practical and convenient in operation. The three-phase live display mounted on the panel of the handcart facilitates the direct observation of live or non-live state. The grounding interlock is arranged between the grounding switch and the roller of the handcart, and the roller can be locked when the grounding switch is in the close position, so that the handcart can not be pushed to a switch cabinet, thereby meeting the requirement for mechanical five preventions. The handcart provided by the invention is suitable for electricity checking and grounding of the main bus terminal and the feed line branch terminal of the switch cabinet.
Description
Technical field
The present invention relates to a kind of electric switch cart device cashier's office in a shop, relate in particular to a kind of main bus bar and feeder line branch electrical verification ground connection handcart.
Background technology
Switch cubicle need be to turnover line and main busbar electrical verification and ground connection, to guarantee maintainer's personal safety during repair and maintenance.In the past methods that adopt the electrical verification of electrical verification rod, hanging earthing conductor more.Because it is charged fixed contact is the place ahead that exposes the operator, difficult to ensure the personal safety of operating personnel in the electrical verification process.In addition, because the restriction of structure space in the switch cubicle, the mode of direct hanging earthing conductor ground connection is not easy to operate on main bus bar.While ground connection car ground connection is hanging earthing conductor in addition, bring inconvenience also can for on-the-spot ground connection operation.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of simple to operation, safe main bus bar and feeder line branch electrical verification ground connection handcart are provided.
Technical scheme of the present invention is achieved in that a kind of main bus bar and feeder line branch electrical verification ground connection handcart; Comprise base; Being roller below the base, is support and panel above the base, is fixing electrical verification contact arm, following electrical verification contact arm and high pressure sensor on the support; It is characterized in that: electrification display is arranged on panel, ground connection interlocking device is set on support.
Described ground connection interlocking gear comprises that one is fixed on the operation disk on the support through rotating shaft, operation disk outside fixing operation handle; A pilot hole is set on the base, gear-stopping bar is installed in the pilot hole, the upper end of gear-stopping bar is connected with the operation disk is inboard with bearing pin through connector; The position that the ground connection tool rest is corresponding on the support of operation disk upside is through the fixing ground connection cutter head of bearing pin, and through the fixing pull bar of bearing pin, the upper end of pull bar is connected with the ground connection cutter head through bearing pin at operation disk upside; The voltage extracting terminal of the high voltage variable light current on described electrification display and the high pressure sensor is electrically connected, and one pair of normally closed node is arranged in the electrification display, and the handle electromagnetic locking mechanism of setting on normally closed node and the panel is electrically connected.
Described handle electromagnetic locking mechanism comprises lock hole, the location hole on the operation disk and the electromagnetic lock of lock handle on the handle.
At base location handgrip and alignment pin are set, behind the handcart push-on switch cabinet, handcart are pinned through location handgrip and alignment pin.
The present invention compared with prior art has following advantage: 1, integrate electrical verification, grounding function, operate practical and convenient; 2, the three-phase electrification display is installed on the handcart panel, electricity is arranged, do not have electricity to observe intuitively; 3, behind the handcart push-on switch cabinet, the electrical verification Mume flower contact closely contacts good reliability with the interior fixed contact of switch cubicle; 4, be provided with ground connection interlocking between earthed switch and the handcart roller, when earthed switch is in when closing, roller is stuck, can't the push-on switch cabinet, satisfy machinery five anti-requirements; 5, panel is provided with the earthed switch operating grip, rapid operation, convenience; 6, behind the handcart push-on switch cabinet, handcart is pinned electrical verification, ground connection robust through location handgrip and alignment pin; 7 handcarts are applicable to the electrical verification and the ground connection of switch cubicle main bus bar and feeder line branch end.
Description of drawings
Fig. 1 is main bus bar of the present invention and feeder line branch electrical verification ground connection handcart sketch map.
Fig. 2 is a handle electromagnetic locking mechanism sketch map;
Fig. 3 is the location hole sketch map on operation disk and the operation disk;
Fig. 4 is the lock hole sketch map on handle and the handle.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; A kind of main bus bar and feeder line branch electrical verification ground connection handcart comprise base 17, are rollers 11 below the base 17; Above the base 17 support 18 and panel 14; Fixing electrical verification contact arm 19, following electrical verification contact arm 20 and high pressure sensor 1 on the support 18, electrification display 13 is arranged on panel 14, ground connection interlocking device is set on support 18.Described ground connection interlocking gear comprises that one is fixed on the operation disk 8 on the support through rotating shaft, operation disk 8 outside fixing operation handles 3; A pilot hole 10 is set on the base 17, gear-stopping bar 12 is installed in the pilot hole 10, the upper end of gear-stopping bar 12 is through connector 9 and bearing pin and 8 inboard connections of operation disk; A ground connection cutter head 2 is fixed through bearing pin in ground connection tool rest 6 corresponding positions on the support 18 of operation disk 8 upsides, and through the fixing pull bar 7 of bearing pin, the upper end of pull bar 7 is connected with ground connection cutter head 2 through bearing pin at operation disk 8 upsides; The voltage extracting terminal of the high voltage variable light current on described electrification display 13 and the high pressure sensor 1 is electrically connected, and one pair of normally closed node is arranged in the electrification display 13, and the handle electromagnetic locking mechanism of setting on normally closed node and the panel is electrically connected.Described handle electromagnetic locking mechanism comprises lock hole 5, the location hole 21 on the operation disk and the electromagnetic lock 4 of lock handle on the handle.At base 17 location handgrip 16 and alignment pin 15 are set.
When being used for main bus bar electrical verification, ground connection, following electrical verification contact arm 20 unloads; When being used for the electrical verification of feeder line branch end, ground connection, last electrical verification contact arm 19 unloads.
Mechanical interlocking operation principle: when operating grip 3 pushes away from bottom to top, drive pull bar 7 through operation disk 8 and move upward, connect through ground connection cutter head 2 and ground connection tool rest 6.While disk operating mechanism 8 also drives gear-stopping bar 12 and moves downward through pilot hole 10, is inserted on the switch cubicle body ground connection interlocking hole.Thereby the handcart roller can't travel forward when making earthed switch close, effectively prevents charged mistake splice grafting ground switch.At this moment, earthed switch is in ground state, and electricity is arranged again in the switch cubicle, should be strictly on guard against in the electrical verification ground connection car push-on switch cabinet, causes the serious consequence of charged splice grafting ground switch.
The electrical interlock operation principle: the voltage extracting terminal of a high voltage variable light current is arranged on the high pressure sensor 1, go between to high-voltage charge display device 13, this electrification display is mounted on the handcart panel, and height is pressed with; Then electrification display is lighted, and is very directly perceived, 13 interior one pair of normally closed node in addition; Go between to electromagnetic lock 4, when high pressure did not have electricity, this node was connected; Make the turn left limit withdrawal of electromagnetism lock core, the lock hole 5 on the release lever, operating grip 3 allows operation.When height was pressed with electricity, this node became battle, and the electromagnetism lock core ejects to the right because of losing electromagnetic force, and the lock hole 5 that inserts on the handle makes its locking, and operating grip 3 can't rotate, thereby reaches the electrical interlock purpose.At this moment, after earthed switch is opened, but electrical verification in the handcart push-on switch cabinet when electricity, should be forbidden splice grafting ground switch.
Claims (4)
1. main bus bar and feeder line branch electrical verification ground connection handcart; Comprise base (17); Being roller (11) below the base (17), is support (18) and panel (14) above the base (17), goes up fixing electrical verification contact arm (19), following electrical verification contact arm (20) and the high pressure sensor (1) gone up at support (18); It is characterized in that: electrification display (13) is arranged on panel (14), on support (18), ground connection interlocking device is set.
2. according to described main bus bar of claim 1 and feeder line branch electrical verification ground connection handcart, it is characterized in that: described ground connection interlocking gear comprises that one is fixed on the operation disk (8) on the support through rotating shaft, operation disk (8) outside fixing operation handle (3); A pilot hole (10) is set on the base (17), gear-stopping bar (12) is installed in the pilot hole (10), the upper end of gear-stopping bar (12) is connected with bearing pin and operation disk (8) are inboard through connector (9); Go up the corresponding position of ground connection tool rest (6) through the fixing ground connection cutter head (2) of bearing pin at the support (18) of operation disk (8) upside, through the fixing pull bar (7) of bearing pin, the upper end of pull bar (7) is connected with ground connection cutter head (2) through bearing pin at operation disk (8) upside; The voltage extracting terminal of the high voltage variable light current on described electrification display (13) and the high pressure sensor (1) is electrically connected, and one pair of normally closed node is arranged in the electrification display (13), and normally closed node is gone up the handle electromagnetic locking mechanism of setting with panel (14) and is electrically connected.
3. according to claim 1 or 2 described main bus bars and feeder line branch electrical verification ground connection handcart, it is characterized in that: described handle electromagnetic locking mechanism comprises lock hole (5), the location hole (21) on the operation disk and the electromagnetic lock (4) of lock handle on the handle.
4. according to claim 1 or 2 described main bus bars and feeder line branch electrical verification ground connection handcart, it is characterized in that: location handgrip (16) and alignment pin (15) are set at base (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100257746A CN102611024A (en) | 2011-01-24 | 2011-01-24 | Handcart for electricity checking and grounding of main bus and feed line branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100257746A CN102611024A (en) | 2011-01-24 | 2011-01-24 | Handcart for electricity checking and grounding of main bus and feed line branch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102611024A true CN102611024A (en) | 2012-07-25 |
Family
ID=46528250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100257746A Pending CN102611024A (en) | 2011-01-24 | 2011-01-24 | Handcart for electricity checking and grounding of main bus and feed line branch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102611024A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167683A (en) * | 2014-08-18 | 2014-11-26 | 国家电网公司 | Armor-middle-mounted type metal sealed switch cabinet grounding device |
| CN104715978A (en) * | 2013-12-16 | 2015-06-17 | Ls产电株式会社 | Withdrawable-type circuit breaker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010288344A (en) * | 2009-06-10 | 2010-12-24 | Japan Ae Power Systems Corp | Breaker drawer device |
| CN201813096U (en) * | 2010-06-03 | 2011-04-27 | 上海华通企业集团有限公司 | Main bus and feeder line branch electricity testing and grounding handcart |
-
2011
- 2011-01-24 CN CN2011100257746A patent/CN102611024A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010288344A (en) * | 2009-06-10 | 2010-12-24 | Japan Ae Power Systems Corp | Breaker drawer device |
| CN201813096U (en) * | 2010-06-03 | 2011-04-27 | 上海华通企业集团有限公司 | Main bus and feeder line branch electricity testing and grounding handcart |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715978A (en) * | 2013-12-16 | 2015-06-17 | Ls产电株式会社 | Withdrawable-type circuit breaker |
| US9425590B2 (en) | 2013-12-16 | 2016-08-23 | Lsis Co., Ltd. | Withdrawable-type circuit breaker |
| CN104715978B (en) * | 2013-12-16 | 2017-04-12 | Ls产电株式会社 | Withdrawable-type circuit breaker |
| CN104167683A (en) * | 2014-08-18 | 2014-11-26 | 国家电网公司 | Armor-middle-mounted type metal sealed switch cabinet grounding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103748746B (en) | Power-feed connector | |
| CN101197494B (en) | Draw-out power cell disconnect and isolation mechanism with rack-out guide tray | |
| CN102110545B (en) | Interlock apparatus of ground switch for vacuum circuit breaker | |
| CN102237649B (en) | Plug interlock device for vacuum circuit breaker | |
| CN104269766B (en) | Miniaturized switch cabinet of handcart type | |
| CN101937799A (en) | Device for preventing withdrawing and inserting of a circuit breaker | |
| EP3035469A1 (en) | Recessed movable jaws for connecting a plug-in unit to a busway | |
| KR101099420B1 (en) | Cubicle with interlock unit for door | |
| CN102611023A (en) | Upper incoming line electricity checking and grounding handcart | |
| CN105720413A (en) | Interface apparatus and method for connecting plug-in units to a busway | |
| CN102270813A (en) | Electricity testing and earthing handcart for main bus and feeder branch | |
| CN105514851A (en) | Interlocking structure and drawer cabinet provided with interlocking structure | |
| CN201805169U (en) | Hand cart for electricity test and grounding of leading-in wire on switch cabinet | |
| CN103682994B (en) | The hot-plug method of power electronic equipment, power electronic system and power cell | |
| CN102611024A (en) | Handcart for electricity checking and grounding of main bus and feed line branch | |
| JP2011078273A (en) | Working carriage for switchboard, and switchboard | |
| CN201359953Y (en) | High-voltage grounding switch | |
| CN201813096U (en) | Main bus and feeder line branch electricity testing and grounding handcart | |
| CN102270814A (en) | Electricity testing and earthing handcart for upper incoming line | |
| CN105932587A (en) | DC fast circuit breaker trunk | |
| CN201601411U (en) | Central cabinet major loop ground handcart | |
| JP2016123178A (en) | Cable connection device | |
| KR101809822B1 (en) | Arc Eliminator | |
| EP2302748B1 (en) | Medium or high voltage switchgear apparatus and method of earthing | |
| CN105610076A (en) | Novel grounding car for 10kV bus PT cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |