CN104022449A - Low-voltage live operation protecting shield - Google Patents
Low-voltage live operation protecting shield Download PDFInfo
- Publication number
- CN104022449A CN104022449A CN201410224201.XA CN201410224201A CN104022449A CN 104022449 A CN104022449 A CN 104022449A CN 201410224201 A CN201410224201 A CN 201410224201A CN 104022449 A CN104022449 A CN 104022449A
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- CN
- China
- Prior art keywords
- low
- baffle plate
- voltage live
- fixed claw
- baffle board
- 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.)
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- Insulating Bodies (AREA)
Abstract
The invention relates to a protecting device, and particularly to a low-voltage live operation protecting shield. The low-voltage live operation protecting shield comprises the components of: a baffle board with fixing pawls, flanges, hanging rods, and rotatable pawls with locking rings. The rotatable pawls are mounted at the lower end of the baffle board through the flanges. The middle part of the baffle board is provided with a handle. The baffle board is provided with hooks in parallel. One end of each hanging rod is arranged on the locking ring, and the other end is matched with and connected with the hook. According to the low-voltage live operation protecting shield, insulating fixing pawls are adopted; when a live upper bus is detached, the fixing pawls can fix the upper bus; and even the upper bus loosens, a live line is bound to the insulating baffle board, thereby effectively preventing an electric shock risk.
Description
Technical field
The present invention relates to a kind of protector, be specifically related to a kind of low-voltage live line work protective cover.
Background technology
In high voltage substation, low-voltage AC is the fundamental power supply of the important loads such as circuit breaker action and illumination heating.Chinese patent discloses " a kind of Telescopic protective cover for low-voltage switch ", and (publication number is: 202084811U), be only applicable to low pressure when maintenance electrocution-proof protection, and can not accomplish effective protection when changing switch.
At present, in transformer station, supply power mode is the power supply of power supply box radiant type, but in a power supply box, all mains switches are all connected on same bus, due to summer high-temperature, the loosening heating of wiring or the aging heating of mains switch cause switch to burn, charged for replacement mains switch in time, but in case, other loads can not have a power failure, its power line that is connected to bus suitable for reading is charged all the time, when changing, must two operating personnel carefully coordinate, personnel are responsible for taking out stitches, personnel are responsible for taking line, yet in narrow space, hold line, and can not mutually touch between electric wire by mistake, operating personnel can not encounter casing, must send veteran operating personnel to carry out this work, difficulty is very large and have certain danger.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple to operate, can safe securing electric lines and can prevent from touching electric low-voltage live line work protective cover by mistake.
The present invention adopts following technical scheme: the present invention includes and be provided with baffle plate, hinge, the peg of fixed claw and the rotary pawl that is provided with lock ring; Described rotary pawl is arranged on baffle plate lower end by hinge, and described baffle plate middle part is provided with handle, is provided with side by side hook on described baffle plate, and described peg one end is arranged on lock ring, and the other end and hook are connected.
Described fixed claw is vertically set on baffle plate, the number of described fixed claw be 2 or more than.
The rectangular bending in described rotary pawl longitudinal section, the number of described rotary pawl and hook is consistent with the number of described fixed claw.
The material of described fixed claw, baffle plate, rotary pawl, peg, hinge and handle is plastics or rubber.
Good effect of the present invention is as follows: the present invention adopts insulation fixed claw, and when the charged Up Highway UHW of dismounting, fixed claw can make Up Highway UHW fix, even if Up Highway UHW is moved, charged the end of a thread also can launch on insulation barrier, and this has just effectively been avoided the risk of getting an electric shock; When dismounting Down Highway, because Up Highway UHW is dismantled, now Down Highway is not charged, has dismantled while changing new switch, and Down Highway is first installed, and peg is taken off, rotary pawl presses Down Highway, installs successively, and this has just been avoided circuit chaotic, standard operation, greatly avoided the possibility of by mistake touching; Complete equipment small volume of the present invention, simple in structure, conveniently deposits and uses, greatly the reduction personnel risk of getting an electric shock.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is baffle arrangement schematic diagram of the present invention;
Fig. 3 is hinge structure schematic diagram of the present invention;
Fig. 4 is hook rail structure schematic diagram of the present invention;
In the drawings: 1 fixed claw, 2 baffle plates, 2-1 handle, 2-2 hook, 3 rotary pawls, 3-1 lock ring, 4 hinges, 5 pegs.
Embodiment
As shown in Figure 1,2,3, 4, the present invention includes and be provided with baffle plate 2, hinge 4, the peg 5 of fixed claw 1 and the rotary pawl 3 that is provided with lock ring 3-1; Described rotary pawl 3 is arranged on baffle plate 2 lower ends by hinge 4, and described baffle plate 2 middle parts are provided with handle 2-1, is provided with side by side hook 2-2 on described baffle plate 2, and it is upper that described peg 5 one end are arranged on lock ring 3-1, and the other end is connected with hook 2-2.Described fixed claw 1 is vertically set on baffle plate 2, the number of described fixed claw 1 be 2 or more than.The described rotary pawl 3 rectangular bendings in longitudinal section, the number of described rotary pawl 3 and hook 2-2 is consistent with the number of described fixed claw 1.The material of described fixed claw 1, baffle plate 2, rotary pawl 3, peg 5, hinge 4 and handle 2-1 is plastics or rubber.
When changing switch, first dismantle Up Highway UHW, then, at dismounting Down Highway, take off subsequently old switch, new switch is installed, Down Highway and Up Highway UHW are finally installed successively.
Use when of the present invention, first dismantle charged Up Highway UHW, hand-held handle 2-1, makes fixed claw 1 fix Up Highway UHW to good position, even if Up Highway UHW is moved, charged the end of a thread also can launch on insulation barrier 2, has effectively avoided the risk of getting an electric shock; When dismounting Down Highway, because Up Highway UHW is dismantled, now Down Highway is not charged, after having dismantled Down Highway, change new switch, Down Highway is first installed, and peg 5 is taken off from hook 2-2, under the effect of gravity, rotary pawl 3 presses Down Highway, repeat above installation of having moved Down Highway, avoided circuit chaotic, standard operation, greatly avoided the possibility of by mistake touching, because be fixed pawl 1 of Up Highway UHW is fixing, can complete easily the installation of Up Highway UHW.
The above execution mode is only the preferred embodiments of the present invention, and is not the exhaustive of the feasible enforcement of the present invention.For persons skilled in the art, any apparent change of under the prerequisite that does not deviate from the principle of the invention and spirit, it having been done, within all should being contemplated as falling with claim protection range of the present invention.
Claims (4)
1. a low-voltage live line work protective cover, is characterized in that: it comprises and is provided with baffle plate (2), hinge (4), the peg (5) of fixed claw (1) and the rotary pawl (3) that is provided with lock ring (3-1);
Described rotary pawl (3) is arranged on baffle plate (2) lower end by hinge (4), described baffle plate (2) middle part is provided with handle (2-1), on described baffle plate (2), be provided with side by side hook (2-2), it is upper that described peg (5) one end is arranged on lock ring (3-1), and the other end and hook (2-2) are connected.
2. a kind of low-voltage live line work protective cover according to claim 1, is characterized in that: it is upper that described fixed claw (1) is vertically set on baffle plate (2), the number of described fixed claw (1) be 2 or more than.
3. a kind of low-voltage live line work protective cover according to claim 1 and 2, is characterized in that: the rectangular bending in described rotary pawl (3) longitudinal section, the number of described rotary pawl (3) and hook (2-2) is consistent with the number of described fixed claw (1).
4. a kind of low-voltage live line work protective cover according to claim 3, is characterized in that: the material of described fixed claw (1), baffle plate (2), rotary pawl (3), peg (5), hinge (4) and handle (2-1) is plastics or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224201.XA CN104022449B (en) | 2014-05-26 | 2014-05-26 | A kind of low-voltage live line work protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224201.XA CN104022449B (en) | 2014-05-26 | 2014-05-26 | A kind of low-voltage live line work protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104022449A true CN104022449A (en) | 2014-09-03 |
| CN104022449B CN104022449B (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224201.XA Active CN104022449B (en) | 2014-05-26 | 2014-05-26 | A kind of low-voltage live line work protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022449B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05273261A (en) * | 1992-03-25 | 1993-10-22 | Mitsubishi Electric Corp | Voltage detection apparatus |
| CN202084812U (en) * | 2011-06-17 | 2011-12-21 | 上海市电力公司 | Low-voltage switch shielding cover |
| CN202888687U (en) * | 2012-11-29 | 2013-04-17 | 安徽省电力公司滁州供电公司 | Protective cover special for transformer substation QK handle |
| CN203850688U (en) * | 2014-05-26 | 2014-09-24 | 国家电网公司 | Low-voltage live-line operation protective cover |
-
2014
- 2014-05-26 CN CN201410224201.XA patent/CN104022449B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05273261A (en) * | 1992-03-25 | 1993-10-22 | Mitsubishi Electric Corp | Voltage detection apparatus |
| CN202084812U (en) * | 2011-06-17 | 2011-12-21 | 上海市电力公司 | Low-voltage switch shielding cover |
| CN202888687U (en) * | 2012-11-29 | 2013-04-17 | 安徽省电力公司滁州供电公司 | Protective cover special for transformer substation QK handle |
| CN203850688U (en) * | 2014-05-26 | 2014-09-24 | 国家电网公司 | Low-voltage live-line operation protective cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104022449B (en) | 2017-01-04 |
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