CN204118549U - A kind of middle-placed switch cabinet maintenance protection against electric shock handcart - Google Patents
A kind of middle-placed switch cabinet maintenance protection against electric shock handcart Download PDFInfo
- Publication number
- CN204118549U CN204118549U CN201420688620.4U CN201420688620U CN204118549U CN 204118549 U CN204118549 U CN 204118549U CN 201420688620 U CN201420688620 U CN 201420688620U CN 204118549 U CN204118549 U CN 204118549U
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- Prior art keywords
- electric shock
- switch cabinet
- protection against
- handcart
- placed switch
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- 238000012423 maintenance Methods 0.000 title claims abstract description 37
- 230000004888 barrier function Effects 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
This practical shielding device relating to central cabinet circuit breaker room, disclose a kind of middle-placed switch cabinet maintenance protection against electric shock handcart, the breaker chamber inner space of its size and middle-placed switch cabinet matches, and comprises base plate and protective frame, is connected through the hinge bottom protective frame with base plate front end.Described base plate rear end both sides are respectively equipped with the spring reset lock pin mutually mated with the location hole of breaker chamber inside, and two, left and right reset lock pin is provided with operating handle, are equiped with an iron roller below base plate.Described protective frame is provided with front two rows dividing plate guide groove, and dividing plate guide groove is provided with dividing plate, and upper contact head box and lower contact box can cover by insulating barrier just completely.The potential safety hazard that active clapboard (valve) before the utility model eliminates the upper and lower contact box in central cabinet circuit breaker room exists, easy access personnel are to equipment repair and maintenance in cabinet.
Description
Technical field
Basis is practical relates to a kind of shielding device, particularly relates to a kind of middle-placed switch cabinet maintenance protection against electric shock handcart, can be used as the safety shelter during maintenance of 10kV central cabinet circuit breaker room.
Background technology
Along with the development of electrical network, 35kV and following equipment adopt the armoured removable type alternating (abbreviation middle-placed switch cabinet) that compact conformation, floor space are few in a large number.Although current middle-placed switch cabinet is functional, but also there is potential safety hazard: subordinate's electrification in high voltage object before upper contact head box and lower contact box in cabinet, although be provided with active clapboard (valve), play certain protection against electric shock effect, the regional area of active clapboard itself is still charged; Maintainer overhauls equipment in cabinet, when safeguarding, likely touch charged position, cause casualties.Protection against electric shock facility demand special when therefore market being overhauled central cabinet circuit breaker room is more and more stronger,
Domestic more existing bibliographical informations about breaker chamber maintenance protection against electric shock facility:
Such as: [autograph] middle-placed switch cabinet line-outgoing equipment maintenance protection against electric shock dolly, [periodical] electric equipment, [unit] Xiang Tan power administration, have a power failure for the outlet of 10kV intermediate switchgear cabinet, the design defect of contact box, the first-class annex maintenance of stationary contact cannot be carried out, the protection against electric shock dolly of development middle-placed switch cabinet line-outgoing equipment maintenance.By operation dolly, transmission crank arm is bent and stretched, lightweight material baffle plate closes middle-placed switch cabinet bus bar side contact, opens outgoing line side contact dividing plate, and leaves space for maintenance, facilitate operations staff's electrical verification, and maintainer overhauls all equipment of outgoing line side.The perfect maintenance function of middle-placed switch cabinet, improves the operating efficiency of operations staff, has ensured the personal safety of maintainer, thus shortens interruption duration, improves power supply reliability.But described baffle plate can not adjust up and down, do not meet the requirement of shelter of different size breaker chamber; Secondly, the setting of single baffle plate is only confined to enclosed busbar side contact (upper contact head box), does not close buffer action to lower contact box.
Such as: [patent No.] CN200920259595.7, [title] middle-placed switch cabinet line-outgoing equipment maintenance anti-electric shock apparatus [day for announcing] 2012.12.19, comprise base member case, base member case is provided with symmetrical connecting lever, connecting lever comprises connecting lever and lower connecting lever, upper connecting lever and lower connecting lever hinged, the upper connecting lever in two, left and right is hinged on the two ends, left and right of a baffle plate, and the lower connecting lever in two, left and right is hinged with the transmission component be installed in base member case; The right and left on the top panel of described base member case is provided with slurcam; By transmission component control two the lower connecting levers in left and right from base member case surface parallel rotation to vertical with base member case surface, make rise with two, the left and right baffle plate that above connecting lever is hinged and block the bus-bar room in central cabinet circuit breaker handcart room.This utility model is novel, and production cost is low, and installation and maintenance are convenient, but the setting of single baffle plate is only confined to enclosed busbar side contact (upper contact head box), does not close buffer action to lower contact box.
Such as: [patent No.] CN201320528896.1, [title] high pressure car switch anti-electric shock apparatus, [day for announcing] 2014.03.05, provides a kind of and can effectively warn and stop the high pressure car switch anti-electric shock apparatus that staff enters cable box rashly; The technical scheme adopted is: high pressure car switch anti-electric shock apparatus, comprise: casing and be arranged at two tracks of box house bottom surface, described box house is also provided with warning baffle plate, described warning baffle plate is between described track, and described warning baffle plate is perpendicular to described track, the lower end of described warning baffle plate is hinged on described box house bottom surface, and the hinged place, lower end of described warning baffle plate is provided with back-moving spring to make described warning baffle plate in its natural state in vertically placing; The utility model is applicable to power department, but this dependence warning mode prevents the limited efficiency of electric shock.
Therefore, needing the active clapboard (valve) before for the upper and lower contact box in central cabinet circuit breaker room to there is security hidden trouble, study a kind of new safety shelter device, for isolating original valve in cabinet, conscientiously ensureing the life safety of maintainer.
Summary of the invention
The purpose of this utility model is that the active clapboard (valve) before eliminating the upper and lower contact box in central cabinet circuit breaker room exists potential safety hazard, charged position in the completely isolated cabinet of energy, easy access personnel are to the middle-placed switch cabinet maintenance protection against electric shock handcart of equipment repair and maintenance in cabinet again.
Middle-placed switch cabinet maintenance protection against electric shock handcart of the present utility model, the breaker chamber inner space of its size and middle-placed switch cabinet matches, comprise base plate and protective frame, be connected through the hinge with base plate front end bottom protective frame, adopt pull bar as angular definitions mechanism between the two, limiting angle is 0 ° or 90 °, and this angle of handcart operating state is 90 °, non operating state not 0 °.Described base plate rear end both sides are respectively equipped with the spring reset lock pin mutually mated with the location hole of breaker chamber inside, and two, left and right reset lock pin is provided with operating handle, are equiped with an iron roller below base plate.Described protective frame is provided with front two rows dividing plate guide groove, before and after the position of dividing plate guide groove corresponding with the upper contact head box of breaker chamber inside and lower contact box position respectively, front and back dividing plate guide groove is provided with insulating barrier and lower insulating barrier respectively actively, and during work, upper contact head box and lower contact box can cover by upper and lower two pieces of insulating barriers just completely.
Further illustrate as to of the present utility model, described base plate front end and protective frame top are provided with interlocking snap close accordingly, protection against electric shock handcart finish using folding regain to fasten by this snap close move up and down dividing plate, easy to carry and store.
Further illustrate as to of the present utility model, described dividing plate guide groove is provided with the adjustment pin of adjustable, insulating partition position, can according to the particular location of contact box upper and lower in cabinet in use procedure, mobile adjustment pin, and then adjustment insulating barrier position, make it close charged position completely.
Further illustrate as to of the present utility model, can according to different service work task, poly (methyl methacrylate) plate selected by upper isolated listrium, and lower isolated listrium selects poly (methyl methacrylate) plate or common insulation board.
Further illustrate as to of the present utility model, described upper insulating barrier adopts adjustment pin and bolt to fix simultaneously, because upper contact head box has more danger, needs the probability opening maintenance relatively less, therefore adopt adjustment pin and the fixing upper insulating barrier of bolt two kinds of modes, to guarantee safety simultaneously.
Further illustrate as to of the present utility model, described reset lock pin position can left and right adjusting, and the position after adjustment adopts alignment pin to fix, to make protection against electric shock handcart can be effectively fixing in different size breaker chamber.
Of the present utility modelly pneumaticly renovate the shortcoming and defect that access door solves prior art, compared with prior art there is following progress:
1, adopt middle-placed switch cabinet protection against electric shock handcart, when service work, meet State Grid's safety work order regulation, ensure maintainer's safety, avoid middle-placed switch cabinet maintenance breaker chamber guide rail and maintenance under contact box (outlet contact box) time, cause touch by mistake, error shock phenomenon
2, adopt middle-placed switch cabinet protection against electric shock handcart, improve operating efficiency, decrease repair and maintenance personnel, also shorten the repair time afterwards simultaneously, reduce customer outage hours high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is middle-placed switch cabinet of the present utility model maintenance protection against electric shock handcart front view.
Fig. 2 is middle-placed switch cabinet of the present utility model maintenance protection against electric shock handcart left view.
Fig. 3 is the using state schematic diagram of middle-placed switch cabinet of the present utility model maintenance protection against electric shock handcart.
In figure, 1-base plate; 2-protective frame; The upper insulating barrier of 3-; 4-dividing plate guide groove; Insulating barrier under 5-; 6-hinge; 7-roller; 8-reset lock pin; 9-operating handle; 10-interlocks snap close; 11-pull bar; 12-adjustment pin; 13-breaker chamber; 14-upper contact head box; Contact box under 15-; 16-location hole; 17-guide rail.
Embodiment
Middle-placed switch cabinet maintenance protection against electric shock handcart of the present utility model, comprise base plate 1 and protective frame 2, base plate outside framework length is 630mm, width is 600mm, be connected by hinge 6 with base plate front end bottom protective frame, adopt pull bar 11 as angular definitions mechanism between the two, limiting angle is 0 ° or 90 ° (as shown in Figure 1 and Figure 2); Described base plate rear end both sides are respectively equipped with the spring reset lock pin 8 mutually mated with the location hole 16 (as shown in Figure 3) of breaker chamber 13 inside, two the reset lock pins in left and right are provided with operating handle 9,4 iron rollers 7 are equiped with, roller height 30mm below base plate.Described protective frame is provided with front two rows dividing plate guide groove 4, before and after the position of dividing plate guide groove corresponding with the upper contact head box 14 of breaker chamber 13 inside and lower contact box 15 position respectively, front and back dividing plate guide groove is provided with insulating barrier 3 and lower insulating barrier 5 respectively actively, and during work, upper contact head box and lower contact box can cover by upper and lower two pieces of insulating barriers just completely.
Described base plate 1 front end and protective frame 2 top are provided with accordingly and interlock snap close 10.Described dividing plate guide groove 4 is provided with the adjustment pin 12 of adjustable, insulating partition position.Described upper isolated listrium 3 is poly (methyl methacrylate) plate.Described upper insulating barrier 3 adopts adjustment pin and bolt to fix simultaneously.The position of described reset lock pin 8 can left and right adjusting, and the position after adjustment adopts alignment pin to fix, to make protection against electric shock handcart can be effectively fixing in different size breaker chamber.Above material, component market are on sale.
Specific operation process is as follows: when needing maintenance, is taken out by indoor for central cabinet circuit breaker original power-off handcart; (as shown in Figure 3), before again middle-placed switch cabinet maintenance protection against electric shock handcart of the present utility model being moved on to breaker chamber, launch protection against electric shock handcart and make angle between base plate 1 and protective frame 2 in 90 °.Maintainer, according to overhauled cabinet breaker room 13 specification, regulates reset lock pin 8, meets the alignment pin of fastening reset lock pin 8 after protection against electric shock handcart turnover cabinet size.Adjust exhausted dividing plate according to maintenance task, if maintenance below contact box 15, upper insulating barrier 3 can be adjusted to the position of upper contact head box 14, more lower insulating barrier 5 is adjusted to upper insulating barrier 3 position, protection against electric shock handcart is pushed breaker chamber 13.Both hands pin operating handle 9 to the inside, during car body in-position, unclamp operation handle 9, the reset lock pin 8 of the right and left inserts in the location hole 16 on breaker chamber both sides before cabinet respectively, now protection against electric shock handcart is fixed on breaker chamber inside, can implement service work.If drive disk assemblies such as maintenance breaker chamber 13 liang of side rails 17 and up and down valve rollers, only the insulating barrier 3 on protection against electric shock handcart and lower insulating barrier 5 need be adjusted to and the upper contact head box 14 in breaker chamber 13 and lower contact box 15 equivalent locations, enter car method of operation the same, can maintenance work be carried out.Overhaul complete, equally with the hands pin operating handle 9 to the inside, the reset lock pin 8 of the right and left is made to depart from the location hole 16 of breaker chamber 13 before cabinet, now can outside mobile protection against electric shock handcart, after shifting out cabinet, folding protection against electric shock handcart, angle between base plate 1 and protective frame 2 is made to become 0 °, interlocking snap close fastens naturally, is deposited by protection against electric shock handcart to treat that next time uses, and completes whole operating procedure.
Claims (6)
1. a middle-placed switch cabinet maintenance protection against electric shock handcart, breaker chamber (13) inner space of its size and middle-placed switch cabinet matches, comprise base plate (1) and protective frame (2), be connected by hinge (6) with base plate front end bottom protective frame, adopt pull bar (11) as angular definitions mechanism between the two, limiting angle is 0 ° or 90 °; Described base plate rear end both sides are respectively equipped with the spring reset lock pin (8) that the location hole (16) inner with breaker chamber (13) mates mutually, two the reset lock pins in left and right are provided with operating handle (9), are equiped with 4 iron rollers (7) below base plate; It is characterized in that: described protective frame is provided with front two rows dividing plate guide groove (4), before and after inner with breaker chamber (13) the respectively upper contact head box (14) in the position of dividing plate guide groove and lower contact box (15) position corresponding, front and back dividing plate guide groove is provided with insulating barrier (3) and lower insulating barrier (5) respectively actively, and during work, upper contact head box and lower contact box can cover by upper and lower two pieces of insulating barriers just completely.
2. middle-placed switch cabinet maintenance protection against electric shock handcart according to claim 1, is characterized in that: described base plate (1) front end and protective frame (2) top are provided with accordingly and interlock snap close (10).
3., according to claim 1 or 2 arbitrary described middle-placed switch cabinet maintenance protection against electric shock handcart, it is characterized in that: described dividing plate guide groove (4) is provided with the adjustment pin (12) of adjustable, insulating partition position.
4. middle-placed switch cabinet maintenance protection against electric shock handcart according to claim 3, is characterized in that: described upper isolated listrium (3) is poly (methyl methacrylate) plate.
5. middle-placed switch cabinet maintenance protection against electric shock handcart according to claim 4, is characterized in that: described upper insulating barrier (3) adopts adjustment pin and bolt to fix simultaneously.
6. middle-placed switch cabinet according to claim 5 maintenance protection against electric shock handcart, is characterized in that: described reset lock pin (8) position can left and right adjusting, and the position after adjustment adopts alignment pin to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420688620.4U CN204118549U (en) | 2014-11-18 | 2014-11-18 | A kind of middle-placed switch cabinet maintenance protection against electric shock handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420688620.4U CN204118549U (en) | 2014-11-18 | 2014-11-18 | A kind of middle-placed switch cabinet maintenance protection against electric shock handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118549U true CN204118549U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420688620.4U Expired - Fee Related CN204118549U (en) | 2014-11-18 | 2014-11-18 | A kind of middle-placed switch cabinet maintenance protection against electric shock handcart |
Country Status (1)
| Country | Link |
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| CN (1) | CN204118549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870813A (en) * | 2016-03-30 | 2016-08-17 | 国网浙江省电力公司岱山县供电公司 | Overhaul handcart used for 35kV centrally installed switchgear |
| CN113381330A (en) * | 2021-05-11 | 2021-09-10 | 国网浙江省电力有限公司台州市路桥区供电公司 | Electric shock prevention device for maintenance of middle handcart type switch cabinet circuit breaker compartment |
-
2014
- 2014-11-18 CN CN201420688620.4U patent/CN204118549U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870813A (en) * | 2016-03-30 | 2016-08-17 | 国网浙江省电力公司岱山县供电公司 | Overhaul handcart used for 35kV centrally installed switchgear |
| CN113381330A (en) * | 2021-05-11 | 2021-09-10 | 国网浙江省电力有限公司台州市路桥区供电公司 | Electric shock prevention device for maintenance of middle handcart type switch cabinet circuit breaker compartment |
| CN113381330B (en) * | 2021-05-11 | 2024-06-25 | 国网浙江省电力有限公司台州市路桥区供电公司 | Electric shock preventing device for overhauling compartment of breaker of centrally-mounted handcart type switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |