CN212967517U

CN212967517U - High-voltage board earthing switch anti-misoperation structure

Info

Publication number: CN212967517U
Application number: CN202021998037.5U
Authority: CN
Inventors: 欧启相; 卞坚禄; 潘东锋; 范继南; 黄莉; 何家有; 刘秋榕; 欧阳杰; 卞丽雪; 刘斌
Original assignee: Fujian Nanping Minyan Electric Power Construction Co ltd Electric Equipment Branch; Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Fujian Nanping Minyan Electric Power Construction Co ltd Electric Equipment Branch; Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-13
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to a high-voltage board earthing switch prevents mistake structure, including the high-voltage board with install in the operating axis that is used for controlling earthing switch of high-voltage board inside wall, the operating hole that corresponds with the operating axis front position is openly seted up to the high-voltage board, be provided with the hole door plant of opening and close through upper and lower sliding control operating hole in the operating hole, hole door plant lower extreme is provided with the folded plate of inwards 90 buckles, install in the high-voltage board and be located operating axis front end below and gliding universal driving shaft around can, fixedly connected with is pushing up the limiting plate of folded plate rear end in order to restrict its downstream on the universal driving shaft, the universal driving shaft front end is worn out and can be removed restriction folded plate downstream by its inside top so that the limiting plate inwardly move when the cabinet door is closed before and preceding from high-voltage board front side wall. The utility model discloses high-voltage board earthing switch prevents mistake structure and has increased preceding cabinet door interlocking measure, can avoid the staff just to miss when not closing preceding cabinet door and switch earthing switch to the separating brake state, and the security is high.

Description

High-voltage board earthing switch anti-misoperation structure

Technical Field

The utility model relates to a high-voltage board earthing switch prevents mistake structure.

Background

When the high-voltage cabinet is maintained and the grounding switch needs to be switched to a switching-off state, the front cabinet door of the high-voltage cabinet needs to be in a closed state, so that the safety of workers and equipment can be ensured; in the actual operation process, workers often paralysis and mistakenly switch the grounding switch to the opening state when the front cabinet door of the cable chamber is not closed, so that the danger is extremely high, and the life safety of the workers is seriously threatened.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel structure, the practicality is strong, and high-voltage board earthing switch prevents mistake structure of security, avoids the staff just to miss when not closing the preceding cabinet door and switches earthing switch to the separating brake state.

The utility model discloses a following scheme realizes: the utility model provides a high-voltage board earthing switch prevents mistake structure, includes the high-voltage board and installs in the operating axis that is used for controlling earthing switch of high-voltage board inside wall, and the high-voltage board openly sets up the handle hole that corresponds with operating axis front end position, be provided with the aperture door plant that opens and close through upper and lower slide control handle hole in the handle hole, aperture door plant lower extreme is provided with the folded plate of inside 90 buckles, install in the high-voltage board and be located operating axis front end below and gliding universal driving shaft around can, fixedly connected with pushes up the limiting plate of folded plate rear end in order to restrict its downstream on the universal driving shaft, the universal driving shaft front end is worn out and can be relieved restriction folded plate downstream by its inside top when the cabinet door is closed before the high-voltage board from the high-voltage board preceding lateral wall.

Furthermore, universal driving shaft rear end sliding connection is on a fixing base, fixing base fixed connection is on the high-voltage board inside wall, and the cover is equipped with the first spring of clamp between fixing base and limiting plate on the universal driving shaft.

Furthermore, a pair of guide shafts for guiding the hole door plate to slide up and down are arranged on the folded plate in a penetrating mode, and a second spring for upwards pushing the hole door plate is sleeved on the guide shaft below the folded plate.

Furthermore, a through hole for the linkage shaft to penetrate forwards is formed in the high-voltage cabinet, a sliding groove parallel to the axis of the linkage shaft is formed in the inner side wall of the through hole, and a convex rail matched with the sliding groove in the through hole is formed in the side part of the linkage shaft.

Furthermore, the upper part of the hole door plate is provided with a shifting sheet which penetrates out of the operation hole forwards, the front surface of the high-voltage cabinet is fixedly connected with a fixing plate which is positioned on the upper side of the operation hole, and the fixing plate and the shifting sheet are provided with through holes which are used for connecting a lockset to lock the fixing plate and the shifting sheet together.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses high-voltage board earthing switch prevents mistake structural design rationally, convenient to use, the practicality is strong, has increased preceding cabinet door interlocking measure, can avoid the staff just to miss when not closing the preceding cabinet door and switch earthing switch to the separating brake state, and the security is high, reduces the risk of staff's maloperation, guarantees staff's personal safety.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

the reference numbers in the figures illustrate: 100-high-voltage board, 110-operation hole, 120-hole door board, 121-folded plate, 122-plectrum, 130-linkage shaft, 131-limiting plate, 132-first spring, 133-convex rail, 140-fixing seat, 150-guide shaft, 151-second spring, 160-through hole, 161-sliding groove, 170-lockset, 180-front cabinet door, 190-fixing plate, 200-grounding switch and 300-operation shaft.

Detailed Description

As shown in fig. 1-2, an anti-misoperation structure for a grounding switch of a high-voltage cabinet comprises the high-voltage cabinet 100 and an operating shaft 300 which is installed on the inner side wall of the high-voltage cabinet 100 and used for controlling a grounding switch 200, wherein the front surface of the high-voltage cabinet 100 is provided with an operating hole 110 corresponding to the front end of the operating shaft, an aperture door plate 120 which controls the opening and closing of the operating hole through up-and-down sliding is arranged in the operating hole 110, a folded plate 121 which is bent inward by 90 degrees is arranged at the lower end of the aperture door plate 120, a linkage shaft 130 which is positioned below the front end of the operating shaft 300 and can slide back and forth is installed in the high-voltage cabinet 100, a limiting plate 131 which abuts against the rear end of the folded plate 121 to limit the downward movement of the linkage shaft 130 is fixedly connected to the linkage shaft 130, the front end of the linkage shaft 130 penetrates out of the front side; when the preceding cabinet door is for closing, universal driving shaft 130 stretches out forward, limiting plate 131 is in folded plate 121 down the route on, with restriction folded plate 121 downstream, the hole door board 120 of operating hole department just also can't open, operating personnel just also can't handle the operating shaft, only when closing preceding cabinet door, the universal driving shaft is pushed away by preceding cabinet door inside, make spacing axial backward move leave the down route of folded plate 121, the hole door board just can slide downwards and open the operating hole, the staff just can insert the spanner and handle, thereby can avoid the staff to switch earthing switch to the separating brake state under the condition that the preceding cabinet door was not closed, guarantee staff's personal safety.

In this embodiment, linkage shaft 130 rear end sliding connection is on a fixing base 140, fixing base fixed connection is on the high-voltage board inside wall, and the cover is equipped with the first spring 132 of clamp between fixing base 140 and limiting plate 131 on the linkage shaft 130, and when the cabinet door was opened in the front, first spring 132 promoted the automatic forward slip of linkage shaft and openly stretches out from the high-voltage board, makes the unable downward slip of hole door plant open simple structure, convenient to use.

In this embodiment, a pair of guide shafts 150 for guiding the aperture door panel to slide up and down are disposed on the folding plate 121, a second spring 151 for pushing the aperture door panel upwards is sleeved on the guide shaft below the folding plate, the second spring 151 is used for pushing the aperture door panel to slide upwards for resetting, and the aperture door panel is in a closed state by default without manual operation.

In this embodiment, the high voltage cabinet 100 is provided with a through hole 160 through which the linkage shaft 130 passes, a sliding groove 161 parallel to the axis of the through hole 160 is disposed on an inner side wall of the through hole 160, a protruding rail 133 engaged with the sliding groove in the through hole is disposed on a side portion of the linkage shaft 130, and the protruding rail 133 is engaged with the sliding groove 161 to limit the linkage shaft to only slide back and forth and not rotate.

In this embodiment, the upper portion of the hole door 120 has a pull tab 122 penetrating the operation hole forward, the front of the high-voltage board is fixedly connected with a fixing plate 190 located at the upper side of the operation hole, and the fixing plate and the pull tab are provided with through holes for connecting the lock 170 to lock the two together; the plectrum passes through the tool to lock with the fixed plate and is in the same place, acts on another mistake prevention measure, and the staff will open the hole door plant, need open the tool to lock with the key earlier, can give the security officer's management with the key that opens the tool to lock, and the staff applies for to the security officer when needing to open the tool to lock, waits to open the tool to lock after security officer's inspection confirms there is not the mistake.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a high-voltage board earthing switch prevents mistake structure, includes the high-voltage board and installs in the operating axis that is used for controlling earthing switch of high-voltage board inside wall, the operating hole that corresponds with operating axis front position, its characterized in that are openly seted up to the high-voltage board: be provided with the hole door plant that opens and close through upper and lower sliding control operation hole in the operation hole, hole door plant lower extreme is provided with the folded plate of inside 90 buckles, install in the high-voltage board and be located operation axle front end below and gliding universal driving shaft around the ability, fixedly connected with pushes up the limiting plate of folded plate rear end in order to restrict its downstream on the universal driving shaft, the universal driving shaft front end is worn out and can be pushed away so that the limiting plate inwards removes restriction folded plate downstream by its inside top when the cabinet door is closed before and from high-voltage board front side wall.

2. The anti-misoperation structure of the high-voltage cabinet grounding switch, according to claim 1, is characterized in that: linkage shaft rear end sliding connection is on a fixing base, fixing base fixed connection is on the high-voltage board inside wall, and the cover is equipped with the first spring of clamp between fixing base and limiting plate on the linkage shaft.

3. The anti-misoperation structure of the high-voltage cabinet grounding switch according to claim 2, wherein: the folded plate is provided with a pair of guide shafts for guiding the hole door plate in a vertical sliding manner in a penetrating manner, and the guide shafts below the folded plate are sleeved with second springs for upwards pushing the hole door plate.

4. The anti-misoperation structure of the high-voltage cabinet grounding switch according to claim 2, wherein: the high-voltage cabinet is provided with a through hole for the linkage shaft to penetrate out forwards, the inner side wall of the through hole is provided with a sliding groove parallel to the axial lead of the through hole, and the side part of the linkage shaft is provided with a convex rail matched with the sliding groove in the through hole.

5. The anti-misoperation structure of the high-voltage cabinet grounding switch, according to claim 1, is characterized in that: the upper portion of the hole door plate is provided with a shifting piece which penetrates out of the operation hole forwards, the front face of the high-voltage cabinet is fixedly connected with a fixing plate located on the upper side of the operation hole, and through holes used for being connected with a lockset to lock the fixing plate and the shifting piece together are formed in the fixing plate and the shifting piece.