CN103456531A - Interlocking device special for switch cabinet - Google Patents
Interlocking device special for switch cabinet Download PDFInfo
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- CN103456531A CN103456531A CN2013101731917A CN201310173191A CN103456531A CN 103456531 A CN103456531 A CN 103456531A CN 2013101731917 A CN2013101731917 A CN 2013101731917A CN 201310173191 A CN201310173191 A CN 201310173191A CN 103456531 A CN103456531 A CN 103456531A
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- hinged
- pin
- socket
- grounding shaft
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Abstract
An interlocking device special for a KYN10-35kV switch cabinet comprises a grounding shaft and two door leaves, wherein the grounding shaft is arranged on the lower portion of one side of the inner cavity of a cabinet body and can carry out rotary movement, and the door leaves are hinged to the two side walls of a cable chamber on the back portion of the cabinet body respectively. The interlocking device is characterized in that a connecting lever is arranged at the inner end of the grounding shaft, the other end of the connecting lever is hinged to a connecting rod, and the other end of the connecting rod is connected with a plug through a hinge component; the end portion of the plug can carry out reciprocating movement relative to pin holes in a socket, and movable block sheets are arranged on the pin holes of the socket; the inner walls of the two door leaves are respectively provided with a locating sheet with a through hole, and when the two door leaves are closed, the locating sheets push the movable block sheets open to enter the socket, and the through holes are made to coincide with the pin holes. A set of interlocking device is additionally arranged at the inner end of the existing grounding shaft, and the interlocking function of the switching-on and switching-off state of a breaker and the opening and closing state of the cable chamber is achieved through shaft body rotation needed by switching-on and switching-off of the grounding shaft.
Description
[technical field]
The present invention relates to a kind of electric switch equipment, especially belong to the special-purpose interlock of a kind of KYN10-35kV switch cubicle.
[background technology]
Before the present invention makes, for preventing mistakenly entering charged chamber, the vacuum circuit-breaker in the KYN10-40.5 high-tension switch cabinet is when combined floodgate work, and its dish cabinet back adopts closing plate structure, to meet " five is anti-" requirement, guarantees safety.Yet this enters cable vault to the maintenance personal, carry out the operations such as daily emergency maintenance, cable connection and brought many troubles, therefore, the user appeals to change cable vault's closing plate structure into door meeting under " five is anti-" condition.But, because this cabinet grounding shaft (earthing operating axis) is positioned at the bottom of cabinet one side, there is particularity on structure, make and also there is no so far a set of interlock that is applicable to its installation, thereby can't meet customer requirements all the time, brought inconvenience to the user.
[summary of the invention]
The problems referred to above that exist for solving prior art, the present invention aims to provide the special-purpose interlock of a kind of KYN10-35kV switch cubicle, rely on this device to require under situation satisfied " five is anti-", change cable vault's closing plate structure into the cable chamber door structure, thereby the convenient for maintaining personnel enter cable vault's operation of being correlated with normally.
For achieving the above object, the present invention has adopted following technical proposals: the structure of the special-purpose interlock of this KYN10-35kV switch cubicle, comprise the grounding shaft that is arranged on cabinet inner chamber one side lower part and can rotates, be hinged on Shang two sides, two side, cable vault, cabinet back door leaf respectively, it is characterized in that: be provided with a connecting lever on the inner of described grounding shaft, the other end of this connecting lever and a connecting rod are hinged, and the other end of this connecting rod is connected with a latch through hinge assembly; Pin-and-hole on the relative socket of end energy of described latch is reciprocating, on this pin-and-hole, is provided with active blade; Be respectively equipped with a spacer with through hole on the inwall of described two fan door leafs, when this two fans door leaf cuts out, described spacer backs down described active blade and enters in described socket, and described through hole and described pin-and-hole are coincided.
During as preferred concrete enforcement, described hinge assembly consists of rotary corner plate and the connecting plate be fixed on the shelves of back door, and described connecting rod and this rotary corner plate are hinged, and described connecting plate is hinged on the other end of this rotary corner plate, and the other end of this connecting plate and described latch are hinged.
During as preferred concrete enforcement, described socket consists of two spill pieces that have pin-and-hole that are fixedly installed on side by side shelves below, back door; Hanging an active blade in the recess of every spill piece, this active blade, without External Force Acting the time, just in time blocks the entrance of described pin-and-hole.
Beneficial effect: after the present invention sets up a set of interlock on the inner of existing grounding shaft, utilize grounding shaft divide, close a floodgate needed axle body to rotate, realized that circuit breaker divides, the interlock of "on" position and cable chamber door open and-shut mode, that is: only at cable chamber door under closed condition, the operating grip of grounding shaft just can carry out sub-switching operation, and handcart just can be pushed into cupboard; Perhaps, while only having handcart to be moved out of cabinet, the earthing maintenance personal that closes just can open cable chamber door, thus effectively stopped misoperation fault generation, eliminated potential safety hazard, facilitated the maintenance personal to pass in and out the practical problem of cable vault's operation.
For deepening the understanding of the present invention, below in conjunction with accompanying drawing, by embodiment, be described in further detail.
[accompanying drawing explanation]
The perspective view that Fig. 1 is the one embodiment of the invention cabinet.
Fig. 2 is that Fig. 1 opens the structural representation of facing under double-open type cable chamber door state, for convenience of description, has only drawn the structure of back door shelves and this interlock in figure.
The structure for amplifying schematic diagram that Fig. 3 is A section in Fig. 2.
In figure: cable chamber door B, grounding shaft 1, connecting lever 2, connecting rod 3, rotary corner plate 4, supporting member 1, connecting plate 6, supporting member 27, latch 8, back door shelves 9, socket 10, fixed axis 101, active blade 102, supporting member 3 11.
[embodiment]
Referring to Fig. 1.The cabinet of existing KYN10-35kV switch cubicle, from Fig. 1 K to shown in Qianmen to cable chamber door B the distance be about 2.2 meters, and be provided with dividing plate between the cup of cable vault and the portable handcart of receiving, therefore, set up interlock on cable chamber door after, extremely be conducive to the maintenance personal and pass in and out cable vault, the operation of being correlated with.
Referring to Fig. 2, and in conjunction with Fig. 3.The interlock structure of the present embodiment, comprise being arranged on cabinet inner chamber one side lower part and can making the grounding shaft 1 of rotation campaign, be hinged on two on outer, two side, cable vault, cabinet back side fan door leaf B(respectively and see Fig. 1).Be provided with a connecting lever 2 on the inner of described grounding shaft 1, the other end of this connecting lever 2 and a connecting rod 3 are hinged, and the other end of this connecting rod 3 is connected with a latch 8 through hinge assembly; Pin-and-hole on the relative socket 10 of end energy of described latch 8 is made horizontal reciprocating movement, is provided with active blade 102 on this pin-and-hole; Be respectively equipped with a spacer with through hole on the inwall of described two fan door leaf B, when this two fans door leaf B closes, described spacer backs down described active blade 102 and enters in described socket 10, and described through hole and described pin-and-hole are coincided.Wherein, grounding shaft 1 is the prior art parts, and it is arranged on the below in cabinet inner chamber left side, and the operating side of this axle 1 is exposed in a hole of cup sidewall, and after handcart enters cup, the handcart panel, can block this hole, can't operate operating grip.Be 90 degree and be connected with latch 8 after being folded in order to make connecting rod 3 extend back door shelves 9 belows, in the corner of back door shelves 9, hinge assembly is set.This hinge assembly consists of rotary corner plate 4 and a connecting plate 6, and rotary corner plate 4 is positioned at by supporting member 1 on the diapire of back door shelves 9 (described back door is cable chamber door B).Connecting rod 3 is close to the cabinet inwall and is extended straight up, and its upper end and rotary corner plate 4 one ends are hinged.One end of the other end of rotary corner plate 4 and connecting plate 6 is hinged, and the other end of this connecting plate 6 is hinged with latch 8.The shaft level of latch 8 is to the through hole through being fixed on two supporting members 27 on back door shelves 9 diapires, and its shaft end is towards socket 10 pin-and-holes.
In conjunction with Fig. 3.Described socket 10, through supporting member 3 11, is hung the below of the back door shelves 9 of the door gap both sides that are fixedly installed on two fan cable chamber door B.Socket 10 consists of two spill pieces that are arranged side by side, and on this spill piece, has the horizontal direction pin-and-hole.Described pin-and-hole just in time is positioned on the movement locus of latch 8.In the recess of every spill piece, through fixed axis 101 suspension active catch 102, this active blade 102 utilizes deadweight to block pin-and-hole, realizes stopping that latch 8 axially inserts the purpose of pin-and-hole.Cable chamber door B two the fan door leafs inwall on be respectively equipped with a spacer with through hole, when this two fans door leaf B closes, described spacer just in time backs down active blade 102, and enter in the recess of spill piece of described socket 10, now, active blade 102 turns over and leaves recess on fixed axis 101.After spacer puts in place, its through hole just in time is on same axis with described pin-and-hole, and both coincide, in order to radially receive latch 8.The purpose of two spill pieces is set, and is the corresponding spacer on two fan door leafs that is located at respectively.
During work, 1, at handcart, be moved out of under the state of cabinet, rotation grounding shaft (earthing closes) maintenance personal just can open cable chamber door B, enters cable vault's operation of being correlated with.Now, if other people want because active blade 102 has blocked pin-and-hole, to cause latch 8 not insert, and then grounding shaft 1 can not be rotated with operating grip turn grounding shaft 1, thereby stopped mistake separating brake earthing operation purpose.2, at handcart, be positioned under the state of cabinet cup, because the operating side of grounding shaft 1 front portion is blocked by the handcart panel, can not use operating grip turn grounding shaft 1, and latch 8 is positioned at the pin-and-hole of socket 10, pinned spacer, therefore, the maintenance personal can not open cable chamber door B, thereby realizes minute, the interlock of "on" position and cable chamber door open and-shut mode.
Above-described embodiment is only for explaining mentality of designing of the present invention, and any simple deformation structure of having done under the present embodiment mentality of designing inspires, all should be subject to the protection of patent of the present invention.
Claims (3)
1. the special-purpose interlock of a KYN10-35kV switch cubicle, comprise the grounding shaft (1) that is arranged on cabinet inner chamber one side lower part and can rotates, be hinged on two side, cable vault, cabinet back Shang two sides door leaf (B) respectively, it is characterized in that: be provided with a connecting lever (2) on the inner of described grounding shaft (1), the other end of this connecting lever (2) and a connecting rod (3) are hinged, and the other end of this connecting rod (3) is connected with a latch (8) through hinge assembly; Pin-and-hole on the end relative socket of energy (10) of described latch (8) is reciprocating, is provided with active blade (102) on this pin-and-hole; Be respectively equipped with a spacer with through hole on the inwall of described two fan door leafs (B), when this two fan door leaf (B) while closing, described spacer backs down described active blade (102) and enters in described socket (10), and described through hole and described pin-and-hole are coincided.
2. special-purpose interlock as claimed in claim 1, it is characterized in that: described hinge assembly consists of rotary corner plate (4) and the connecting plate (6) be fixed on back door shelves (9), described connecting rod (3) is hinged with this rotary corner plate (4), described connecting plate (6) is hinged on the other end of this rotary corner plate (4), and the other end of this connecting plate (6) and described latch (8) are hinged.
3. special-purpose interlock as claimed in claim 1 is characterized in that: described socket (10) consists of two that are fixedly installed on side by side back door shelves (9) the below spill pieces that have pin-and-hole; Hanging an active blade (102) in the recess of every spill piece, this active blade 102) without External Force Acting the time, just in time block the entrance of described pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101731917A CN103456531A (en) | 2013-05-13 | 2013-05-13 | Interlocking device special for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101731917A CN103456531A (en) | 2013-05-13 | 2013-05-13 | Interlocking device special for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103456531A true CN103456531A (en) | 2013-12-18 |
Family
ID=49738788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101731917A Pending CN103456531A (en) | 2013-05-13 | 2013-05-13 | Interlocking device special for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456531A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285719A (en) * | 2018-10-19 | 2019-01-29 | 四川行之知识产权运营服务有限公司 | A kind of hanging-connecting cable chamber door and earthing switch interlocking mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10061783C1 (en) * | 2000-12-12 | 2002-06-06 | Moeller Gmbh | Interlocking device for electrical switching devices incorporates safety function preventing incorrect operation upon contact welding |
| CN202121241U (en) * | 2011-07-11 | 2012-01-18 | 厦门明翰电气股份有限公司 | Anti-misoperation locking device for electric grounding knifeswitch of medium voltage switchgear |
| CN202534578U (en) * | 2012-01-13 | 2012-11-14 | 昆明东控电器成套设备有限公司 | Switch cabinet isolating switch and grounding switch interlocking device |
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN203232822U (en) * | 2013-05-13 | 2013-10-09 | 江山市开关厂有限公司 | Interlocking device special for KYN 10-35 kV switch cabinet |
-
2013
- 2013-05-13 CN CN2013101731917A patent/CN103456531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10061783C1 (en) * | 2000-12-12 | 2002-06-06 | Moeller Gmbh | Interlocking device for electrical switching devices incorporates safety function preventing incorrect operation upon contact welding |
| CN202121241U (en) * | 2011-07-11 | 2012-01-18 | 厦门明翰电气股份有限公司 | Anti-misoperation locking device for electric grounding knifeswitch of medium voltage switchgear |
| CN202534578U (en) * | 2012-01-13 | 2012-11-14 | 昆明东控电器成套设备有限公司 | Switch cabinet isolating switch and grounding switch interlocking device |
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN203232822U (en) * | 2013-05-13 | 2013-10-09 | 江山市开关厂有限公司 | Interlocking device special for KYN 10-35 kV switch cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285719A (en) * | 2018-10-19 | 2019-01-29 | 四川行之知识产权运营服务有限公司 | A kind of hanging-connecting cable chamber door and earthing switch interlocking mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |