CN203552983U - nterlock grounding switch operation aperture and interlocking device of cable chamber room - Google Patents
nterlock grounding switch operation aperture and interlocking device of cable chamber room Download PDFInfo
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- CN203552983U CN203552983U CN201320634315.2U CN201320634315U CN203552983U CN 203552983 U CN203552983 U CN 203552983U CN 201320634315 U CN201320634315 U CN 201320634315U CN 203552983 U CN203552983 U CN 203552983U
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- interlock
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- chamber door
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- 238000005452 bending Methods 0.000 claims description 6
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Abstract
This utility model discloses an interlock grounding switch operation aperture (1) and an interlocking device (3) of a cable chamber door (3). The interlocking device comprises a cover plate (4), a connecting rod and a resetting device (6). The cover plate is pivotally positioned on a mechanism front support plate (2) and can rotate between a closing position closing the grounding switch operation aperture and an opening position opening the grounding switch operation aperture. The connecting rod is arranged on the mechanism front support plate in a sliding manner and is provided with a sliding connection terminal (51) which is in sliding connection with the cover plate (4) and a buckled end which is used for buckling with a pulling buckle (31) of the cable chamber door (3). The resetting device is fixedly positioned on the mechanism front support plate and connected to the connecting rod to enable the connecting rod to move through the resetting operation. The cover plate, the connecting rod, the resetting device and the pulling buckle of the cable chamber door cooperate to close and open the grounding switch operation aperture along the opening and closing the door of the cable chamber door.
Description
Technical field
The utility model relates to a kind of interlock, more particularly, relates to a kind of earthed switch handle hole of ring main unit and interlock of cable chamber door of pressing for interlocking.
Background technology
The cable vault of middle pressure ring main unit (SM6) is Maintenance and Repair personnel's touched compartment.Cable chamber door only just can be opened after earthed switch closes a floodgate, to guarantee attendant's safety.But after cable chamber door is opened, operating personnel can also exist potential safety hazard again grounding switch tripping, do not meet the requirement of Electricity Department standard DL404 to interlocking simultaneously yet.
DL404 requires: only have isolating switch when open position, its earthed switch could close a floodgate, and the Men Caineng of compartment opens (at present, pressing ring main unit to meet).Otherwise after only having the door of compartment to close, earthed switch in closing position could separating brake (current middle pressure ring main unit does not meet).
Fig. 1 is the schematic diagram of the middle pressure ring main unit of prior art, and the interlocking of pressing ring main unit to exist in this is: when earthed switch closes a floodgate, cable chamber door 3 just can be opened.But after cable chamber door is opened, earthed switch can also be by separating brake.When grounding switch tripping, it is unsafe that attendant enters cable vault.In Electricity Department standard, also expressly provide, after only having the cable chamber door of compartment to close, the earthed switch in closing position could separating brake.
In order to meet the 5.11st of Electricity Department standard DL404, need a kind of earthed switch handle hole of ring main unit and interlock of cable chamber door of pressing for interlocking, by this interlock, after cable chamber door is opened, earthed switch can not operate, after only having cable chamber door to be shut, earthed switch is just allowed to operation.
Utility model content
The utility model is to make in view of the problem of above-mentioned prior art, and the purpose of this utility model is to provide a kind of reliable and effective interlock.The utility model is mainly to press the earthed switch handle hole of ring main unit and the interlocking of cable chamber door in realizing by a kind of mechanical interlocks that comprises cover plate, connecting rod and resetting means, thereby when cable chamber door is opened, make earthed switch in "on" position, thereby guaranteed attendant's safety.Because interlock of the present utility model makes after cable chamber door is opened described earthed switch in "on" position, therefore when cable chamber door is opened, attendant needn't go to confirm that whether earthed switch is in "on" position again, not only guaranteed attendant's safety, and having improved their operating efficiency, the product that will make thus to have this technology is more competitive.
The utility model provides a kind of safe and reliable interlock by a kind of mechanical structure that can keep earthed switch can make earthed switch can carry out breaking-closing operating when cable chamber door is closed again in "on" position when cable chamber door is opened being provided in middle pressure ring main unit.
The purpose of this utility model is by a kind of earthed switch handle hole of ring main unit and interlock of cable chamber door of pressing for interlocking is provided, described earthed switch handle hole is arranged on mechanism's front end panel of described pressure ring main unit, described interlock comprises: cover plate, and this cover plate is arranged on pivotly on described mechanism front end panel and can is closing the off-position of described earthed switch handle hole and open between the open position of described earthed switch handle hole and rotate; Connecting rod, this connecting rod is slidably disposed on described mechanism front end panel, and this connecting rod is provided be slidably connected end and the buckling end that fastens for the pulling buckle with described cable chamber door for being slidably connected with described cover plate; Resetting means, this resetting means is fixedly installed on described mechanism front end panel and with described connecting rod and is connected to make described link motion by its reset operation, the pulling buckle of wherein said cover plate, connecting rod, resetting means and described cable chamber door cooperates mutually, so that along with the opening or closing of described cable chamber door, described earthed switch handle hole can be closed or open to described cover plate.
Of the present utility model preferred embodiment in, described cover plate is arranged on described mechanism front end panel pivotly by the pivot outwards arranging perpendicular to described mechanism front end panel.
Of the present utility model preferred embodiment in, described cover plate is provided with the sliding pin that can slide in the end that is slidably connected of described connecting rod, so that described cover plate can make described cover plate rotate between described off-position and described open position around described pivot in the described slip being slidably connected in end by described sliding pin.
Of the present utility model preferred embodiment in, described cover plate comprises connecting portion and the handle hole covering part of cover plate main body, bending, wherein said cover plate main body is fan shape, the first end of described cover plate main body is pivotably connected on described pivot, one side of the close described connecting rod of the second end of described cover plate main body is provided with the sliding pin extending perpendicular to this cover plate main body, and described handle hole covering part is connected to the side away from described connecting rod of the second end of described cover plate main body by the connecting portion of bending.
Of the present utility model preferred embodiment in, the end that is slidably connected of described connecting rod is provided with the sliding tray near the level of described pivot one side opening, for described sliding pin is slided at this sliding tray.
Of the present utility model preferred embodiment in, described connecting rod has the link body part being slidably connected between end and described buckling end described, the shape and size of this link body part be configured to so that described in when described buckling end is fastened in the pulling buckle of described cable chamber door cover plate be positioned at described open position and be positioned at described off-position when described buckling end described cover plate from the pulling buckle disengagement of described cable chamber door.
Of the present utility model preferred embodiment in, this link body partly comprises first connecting rod part and second connecting rod part, described first connecting rod partly comprises first connecting rod section and second connecting rod section, described first connecting rod section perpendicular to described be slidably connected to hold and be parallel to described mechanism front end panel extend straight down, described second connecting rod section extends internally perpendicular to described first connecting rod section and described mechanism front end panel, described second connecting rod partly comprises third connecting rod section and the 4th connecting rod section, described third connecting rod section is along vertical described buckling end and be parallel to described mechanism front end panel and extend straight up, described the 4th connecting rod section stretches out perpendicular to described third connecting rod section and described mechanism front end panel, described second connecting rod section is fixedly connected with described the 4th connecting rod section.
Of the present utility model preferred embodiment in, it is vertically the microscler chute perpendicular to described mechanism front end panel direction opening that described first connecting rod section is provided with at least one, in each chute, be provided with steady pin, this steady pin is fixed on from the outstanding edge of described mechanism front end panel, be used for making described connecting rod vertical motion, so that the bottom that each steady pin is positioned at the top of each chute and each steady pin is positioned at each chute when described cover plate is positioned at described off-position when described cover plate is positioned at described open position.
Of the present utility model preferred embodiment in, described the 4th connecting rod section is provided with the slide opening of vertical openings.
Of the present utility model preferred embodiment in, described resetting means is positioned at the vertical below of described the 4th connecting rod section, this resetting means comprises the support lug of level, on this support lug, be fixed with the slide bar of vertical setting, this slide bar is upward through described slide opening and extends the distance of the vertical extension that is greater than described chute.
Of the present utility model preferred embodiment in, described resetting means comprises and being set on described slide bar and the spring between described the 4th connecting rod section and described support lug compressiblely.
Of the present utility model preferred embodiment in, when described buckling end is thrown off from described pulling buckle, the spring being compressed between described the 4th connecting rod section and described support lug upwards promotes described connecting rod so that described cover plate turns to described off-position from described open position, to close described earthed switch handle hole.
Of the present utility model preferred embodiment in, when the pulling buckle of described cable chamber door fastens described buckling end, the spring being arranged between described the 4th connecting rod section and described support lug turns to described open position by the compressed and described cover plate of moving downward of connecting rod from described off-position, to open described earthed switch handle hole.
Utilization is according to interlock of the present utility model, owing to having realized the interlocking of cable chamber door and earthed switch handle hole, therefore when cable chamber door is opened, earthed switch can not be operated, thereby make earthed switch reliably in contact of earth position, guaranteed attendant's safety, and after cable chamber door is closed, earthed switch can carry out breaking-closing operating again, and does not affect the normal running of earthed switch.
Accompanying drawing explanation
Other objects of the present utility model, feature and industry and technical significance are by by below in conjunction with accompanying drawing, the detailed description of embodiment of the present utility model being become and is easier to understand, in figure:
Fig. 1 is the schematic diagram of middle pressure ring main unit of the prior art;
Fig. 2 is the perspective view having according to the middle pressure ring main unit of interlock of the present utility model, wherein shows by described interlock, and when cable chamber door is closed, the in an open position and earthed switch handle hole of cover plate is in open mode;
Fig. 3 is the enlarged perspective of the interlock shown in Fig. 2;
Fig. 4 is the front view of the interlock shown in Fig. 2;
Fig. 5 is the perspective view having according to the middle pressure ring main unit of interlock of the present utility model, wherein shows by described interlock, and after cable chamber door is opened, the in the closed position and earthed switch handle hole of cover plate is in closed condition;
Fig. 6 is the front view of the interlock shown in Fig. 5; And
Fig. 7 is the in an open position and cover plate of ground connection handle hole in open mode of the cover plate shown in Fig. 2, the local enlarged perspective of connecting rod.
Embodiment
Describe with reference to the accompanying drawings preferred implementation of the present utility model in detail.
Fig. 2 is the schematic perspective view having according to the middle pressure ring main unit of interlock of the present utility model, wherein show by according to interlock of the present utility model, when cable chamber door 3 is closed, the in an open position and earthed switch handle hole 1 of cover plate 4 is in open mode.Fig. 3 is the enlarged perspective of the interlock shown in Fig. 2.Fig. 4 is the front view of the interlock shown in Fig. 2.Fig. 5 is the perspective view having according to the middle pressure ring main unit of interlock of the present utility model, wherein shows by described interlock, and after cable chamber door is opened, the in the closed position and earthed switch handle hole of cover plate is in closed condition.Fig. 6 is the front view of the interlock shown in Fig. 5.Fig. 7 is the in an open position and cover plate 4 of ground connection handle hole in open mode of the cover plate shown in Fig. 2, the local enlarged perspective of connecting rod 5.According to Fig. 3 and 7, at length introduce for interlocking and press the concrete structure of the earthed switch handle hole 1 of ring main unit and the interlock of cable chamber door 3 below.
As Fig. 3 can be more clearly visible, earthed switch handle hole 1 is arranged on mechanism's front end panel 2 of pressure ring main unit, interlock comprises a cover plate 4, this cover plate is positioned near earthed switch handle hole 1, be used for closing and open described earthed switch handle hole 1, this cover plate 4 is arranged on described mechanism front end panel 2 pivotly by the pivot 21 outwards arranging perpendicular to described mechanism front end panel 2, this pivot 21 can be any pivot form of the prior art, as long as can make cover plate 4 rotate about it, such as pivot of hinge-type etc.Described cover plate 4 can closed the off-position of described earthed switch handle hole 1 and open and between the open position of described earthed switch handle hole 1, rotate (referring to Fig. 7).Described cover plate 4 is provided with the sliding pin 41 that can slide in the end 51 that is slidably connected of described connecting rod 5, so that described cover plate 4 can make described cover plate 4 rotate between described off-position and described open position around described pivot 21 in the described slip being slidably connected in end 51 by described sliding pin 41.The shape and size of cover plate 4 are made into and make can cover described earthed switch handle hole 1 when cover plate 4 is in the closed position, thereby make the described earthed switch can not be again by separating brake.In the present embodiment, described cover plate 4 comprises connecting portion 43 and the handle hole covering part 44 of cover plate main body 42, bending, wherein said cover plate main body 42 is for being similar to fan-shaped shape, the first end of cover plate main body 42 is pivotably connected on described pivot 21, one side of the close connecting rod 5 of the second end of cover plate main body 42 is provided with the sliding pin 41 extending perpendicular to this cover plate main body 42, and handle hole covering part 44 is connected to the side away from described connecting rod 5 of the second end of described cover plate main body 42 by the connecting portion 43 of bending.In the present embodiment, although show concrete shape and the structure of cover plate 4, but the concrete shape that the utility model is not limited to provide and structure, those skilled in the art can design the shape of cover plate 4 as the case may be, as long as can realize its technical purpose.
As shown in Figure 3, described interlock further comprises connecting rod 5, this connecting rod is slidably disposed on described mechanism front end panel 2, and this connecting rod 5 is provided be slidably connected end 51 and the buckling end 55 that fastens for the pulling buckle 31 with described cable chamber door 3 for being slidably connected with described cover plate 4.The end 51 that is slidably connected of described connecting rod 5 is provided with the sliding tray 511 near the level of pivot 21 1 side openings, for described sliding pin 41 is slided at this sliding tray 511.Described connecting rod 5 has the link body part being slidably connected between end 51 and described buckling end 55 described, the shape and size of this link body part be configured to so that described in when described buckling end 55 is fastened in the pulling buckle 31 of described cable chamber door 3 cover plate 4 be positioned at described open position and be positioned at described off-position when described buckling end 55 described cover plate 4 from pulling buckle 31 disengagements of described cable chamber door 3.This link body partly comprises first connecting rod part 521 and second connecting rod part 522, described first connecting rod part 521 comprises first connecting rod section and second connecting rod section, described first connecting rod section is perpendicular to the described end 51 be parallel to described mechanism front end panel 2 and extend straight down of being slidably connected, described second connecting rod section extends internally perpendicular to described first connecting rod section and described mechanism front end panel 2, described second connecting rod part 522 comprises third connecting rod section and the 4th connecting rod section, described third connecting rod section is along vertical described buckling end 55 and be parallel to described mechanism front end panel 2 and extend straight up, described the 4th connecting rod section stretches out perpendicular to described third connecting rod section and described mechanism front end panel 2, described second connecting rod section is fixedly connected with described the 4th connecting rod section.In the present embodiment, although together with first connecting rod part 521 is fixedly connected at second connecting rod part 522, those skilled in the art also can be as required set to integral type by first connecting rod part 521 and second connecting rod part 522.It is vertically the microscler chute 53 perpendicular to described mechanism front end panel 2 direction openings that described first connecting rod section is provided with at least one, in each chute 53, be provided with steady pin 22, this steady pin 22 is fixed on from the outstanding edge of described mechanism front end panel 2, be used for making described connecting rod 5 vertical motions, so that the bottom that each steady pin 22 is positioned at the top of each chute 53 and each steady pin 22 is positioned at each chute 53 when described cover plate 4 is positioned at described off-position when described cover plate 4 is positioned at described open position.In the present embodiment, although described first connecting rod section has been shown in Fig. 3, be provided with two chutes 53, a chute or a plurality of chute can be set as required, as long as chute coordinates and can guarantee described connecting rod 5 vertical motions with steady pin 22 wherein.Described the 4th connecting rod section is provided with the slide opening 54 of vertical openings.
As shown in Figure 3, described interlock further comprises resetting means 6, and this resetting means is fixedly installed on described mechanism front end panel 2 and with described connecting rod 5 and is connected by its reset operation, to make described connecting rod 5 motions.Described resetting means 6 is positioned at the vertical below of described the 4th connecting rod section, this resetting means 6 comprises the support lug 61 of level, on this support lug, be fixed with the slide bar 62 of vertical setting, this slide bar is upward through described slide opening 54 and extends the distance of the vertical extension that is greater than described chute 53.Described resetting means 6 comprises and being set on described slide bar 62 and the spring 63 between described the 4th connecting rod section and described support lug 61 compressiblely.When described buckling end 55 is thrown off from described pulling buckle 31, the spring 63 being compressed between described the 4th connecting rod section and described support lug 61 upwards promotes described connecting rod 5 so that described cover plate 4 turns to described off-position from described open position, to close described earthed switch handle hole 1.When the pulling buckle 31 of described cable chamber door 3 fastens described buckling end 55, the spring 63 being arranged between described the 4th connecting rod section and described support lug 61 turns to described open position by the compressed and described cover plate 4 of moving downward of connecting rod 5 from described off-position, to open described earthed switch handle hole 1.
The pulling buckle 31 of described cover plate 4, connecting rod 5, resetting means 6 and described cable chamber door 3 cooperates mutually, so that along with the opening or closing of described cable chamber door 3, described earthed switch handle hole 1 can be closed or open to described cover plate 4.
Below in conjunction with Fig. 2-7, explain according to the operation principle of interlock of the present utility model:
First, when cable chamber door 3 starts to open (now, described steady pin 22 is positioned at the top of the chute 53 of described connecting rod 5, and cover plate 4 is in opening the open position of described earthed switch handle hole 1), the pulling buckle 31 of described cable chamber door 3 is thrown off with the buckling end of described connecting rod 5 55.Then, being compressed in the 4th connecting rod section of described connecting rod 5 and the spring 63 between the support lug 61 of described resetting means 6 moves straight up along slide bar 62, promote described connecting rod 5, this connecting rod 5 makes the also motion straight up of described connecting rod 5 by the chute 53 being arranged on wherein with the coordinating of steady pin 22 of being fixed on described mechanism front end panel 2.Now, the sliding pin 41 being arranged on cover plate 4 correspondingly slides to the left in the sliding tray 511 of the end 51 that is slidably connected of connecting rod 5, thereby cover plate 4 is rotated counterclockwise around the pivot 21 being arranged on described mechanism front end panel 2.Along with the further motion straight up of connecting rod 5, when steady pin 22 is positioned at the bottom of chute 53 of connecting rod 5, the motion straight up of connecting rod 5 is prevented from, and now cover plate 4 just in time turns to the off-position of closing described earthed switch handle hole 1 around pivot 21.Like this, after cable chamber door 3 is opened, earthed switch handle hole 1 is covered, and earthed switch can not be by separating brake.
Next, when cable chamber door 3 starts to close (now, described steady pin 22 is positioned at the bottom of the chute 53 of connecting rod 5, and cover plate 4 is in closing the off-position of described earthed switch handle hole 1), the pulling buckle 31 of cable chamber door 3 fastens with the buckling end of described connecting rod 5 55.Along with further closing of cable chamber door 3, the buckling end 55 of connecting rod 5 can be pulled straight down by the pulling buckle 31 of cable chamber door 3, thereby drivening rod 5 moves straight down and the spring of resetting means 6 63 is compressed between the 4th connecting rod section and the support lug 61 of resetting means 6 of connecting rod 5, now, the sliding pin 41 being arranged on cover plate 4 correspondingly slides to the right in the sliding tray 511 of the end 51 that is slidably connected of connecting rod 5, thereby cover plate 4 is clockwise rotated around the pivot 21 being arranged on described mechanism front end panel 2.Further motion straight down along with connecting rod 5, when steady pin 22 is positioned at the top of chute 53 of connecting rod 5, the motion straight down of connecting rod 5 is prevented from, now, cable chamber door 3 is just in time fully closed, and cover plate 4 is also just in time in opening the open position of described earthed switch handle hole 1.Like this, after cable chamber door 3 is closed, earthed switch handle hole 1 is opened, and earthed switch can be by divide-shut brake.
By the above, by described cover plate 4, connecting rod 5, resetting means 6, cooperate mutually with the pulling buckle 31 of cable chamber door 3, just realized the interlocking of cable chamber door 3 with earthed switch handle hole 1.
Although describe the utility model in detail with reference to preferred implementation of the present utility model in the above, but the utility model is not limited to above-mentioned embodiment, for example, in the above-described embodiment, although resetting means 6 is arranged on connecting rod 5 belows and moves straight up to promote described connecting rod 5 by Compress Spring 63, resetting means 6 also can be arranged on connecting rod 5 tops to pull described connecting rod 5 to move straight up by extension spring.In addition, in the above-described embodiment, although cover plate 4 is rotation formula, those skilled in the art also can adopt other forms of cover plate, as long as can open and close described earthed switch handle hole 1.Therefore, scope of the present utility model is only limited by appending claims and equivalent thereof.
Claims (13)
1. for interlocking, press the earthed switch handle hole (1) of ring main unit and the interlock of cable chamber door (3) for one kind, described earthed switch handle hole (1) is arranged on mechanism's front end panel (2) of described pressure ring main unit, it is characterized in that, described interlock comprises:
Cover plate (4), it is upper and can close the off-position of described earthed switch handle hole (1) and open between the open position of described earthed switch handle hole (1) and rotate that this cover plate is arranged on described mechanism front end panel (2) pivotly;
Connecting rod (5), it is upper that this connecting rod is slidably disposed on described mechanism front end panel (2), and this connecting rod (5) is provided with the buckling end (55) that is slidably connected end (51) and fastens for the pulling buckle with described cable chamber door (3) (31) for being slidably connected with described cover plate (4);
Resetting means (6), this resetting means is fixedly installed on described mechanism front end panel (2) above and is connected by its reset operation, to make described connecting rod (5) motion with described connecting rod (5),
The pulling buckle (31) of wherein said cover plate (4), connecting rod (5), resetting means (6) and described cable chamber door (3) cooperates mutually, so that along with the opening or closing of described cable chamber door (3), described earthed switch handle hole (1) can be closed or open to described cover plate (4).
2. interlock as claimed in claim 1, is characterized in that, described cover plate (4) is arranged on described mechanism front end panel (2) pivotly by the pivot (21) outwards arranging perpendicular to described mechanism front end panel (2).
3. interlock as claimed in claim 2, it is characterized in that, described cover plate (4) is provided with the sliding pin (41) that can slide in the end (51) that is slidably connected of described connecting rod (5), so that described cover plate (4) can make described cover plate (4) rotate between described off-position and described open position around described pivot (21) in the described slip being slidably connected in end (51) by described sliding pin (41).
4. interlock as claimed in claim 3, it is characterized in that, described cover plate (4) comprises cover plate main body (42), connecting portion (43) and the handle hole covering part (44) of bending, wherein said cover plate main body (42) is fan shape, the first end of described cover plate main body (42) is pivotably connected on described pivot (21), one side of the close described connecting rod (5) of the second end of described cover plate main body (42) is provided with the sliding pin (41) extending perpendicular to this cover plate main body (42), described handle hole covering part (44) is connected to the side away from described connecting rod (5) of the second end of described cover plate main body (42) by the connecting portion (43) of bending.
5. the interlock as described in any one in claim 1-4, it is characterized in that, the end (51) that is slidably connected of described connecting rod (5) is provided with the sliding tray (511) near the level of described pivot (21) one side openings, for described sliding pin (41) is slided at this sliding tray (511).
6. interlock as claimed in claim 5, it is characterized in that, described connecting rod (5) has the link body part being slidably connected between end (51) and described buckling end (55) described in being positioned at, the shape and size of this link body part be configured to so that described in when described buckling end (55) is fastened in the pulling buckle (31) of described cable chamber door (3) cover plate (4) be positioned at described open position and be positioned at described off-position when described buckling end (55) described cover plate (4) from pulling buckle (31) disengagement of described cable chamber door (3).
7. interlock as claimed in claim 6, it is characterized in that, this link body partly comprises first connecting rod part (521) and second connecting rod part (522), described first connecting rod part (521) comprises first connecting rod section and second connecting rod section, described first connecting rod section is perpendicular to the described end (51) be parallel to described mechanism front end panel (2) and extend straight down of being slidably connected, described second connecting rod section extends internally perpendicular to described first connecting rod section and described mechanism front end panel (2), described second connecting rod part (522) comprises third connecting rod section and the 4th connecting rod section, described third connecting rod section is along vertical described buckling end (55) and be parallel to described mechanism front end panel (2) and extend straight up, described the 4th connecting rod section stretches out perpendicular to described third connecting rod section and described mechanism front end panel (2), described second connecting rod section is fixedly connected with described the 4th connecting rod section.
8. interlock as claimed in claim 7, it is characterized in that, it is vertically the microscler chute (53) perpendicular to described mechanism front end panel (2) direction opening that described first connecting rod section is provided with at least one, in each chute (53), be provided with steady pin (22), this steady pin (22) is fixed on from the outstanding edge of described mechanism front end panel (2), be used for making described connecting rod (5) vertical motion, so that the bottom that each steady pin (22) is positioned at the top of each chute (53) and each steady pin (22) is positioned at each chute (53) when described cover plate (4) is positioned at described off-position when described cover plate (4) is positioned at described open position.
9. interlock as claimed in claim 7 or 8, is characterized in that, described the 4th connecting rod section is provided with the slide opening (54) of vertical openings.
10. interlock as claimed in claim 9, it is characterized in that, described resetting means (6) is positioned at the vertical below of described the 4th connecting rod section, this resetting means (6) comprises the support lug (61) of level, on this support lug, be fixed with the slide bar (62) of vertical setting, this slide bar is upward through described slide opening (54) and extends the distance of the vertical extension that is greater than described chute (53).
11. interlock as claimed in claim 10, is characterized in that, described resetting means (6) comprises that be set in described slide bar (62) is above also positioned at the spring (63) between described the 4th connecting rod section and described support lug (61) compressiblely.
12. interlocks as claimed in claim 11, it is characterized in that, when described buckling end (55) is thrown off from described pulling buckle (31), the spring (63) being compressed between described the 4th connecting rod section and described support lug (61) upwards promotes described connecting rod (5) so that described cover plate (4) turns to described off-position from described open position, to close described earthed switch handle hole (1).
13. interlocks as claimed in claim 11, it is characterized in that, when the pulling buckle (31) of described cable chamber door (3) fastens described buckling end (55), the spring (63) being arranged between described the 4th connecting rod section and described support lug (61) turns to described open position by the compressed and described cover plate of moving downward of connecting rod (5) (4) from described off-position, to open described earthed switch handle hole (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634315.2U CN203552983U (en) | 2013-10-15 | 2013-10-15 | nterlock grounding switch operation aperture and interlocking device of cable chamber room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634315.2U CN203552983U (en) | 2013-10-15 | 2013-10-15 | nterlock grounding switch operation aperture and interlocking device of cable chamber room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552983U true CN203552983U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320634315.2U Expired - Lifetime CN203552983U (en) | 2013-10-15 | 2013-10-15 | nterlock grounding switch operation aperture and interlocking device of cable chamber room |
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| CN (1) | CN203552983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3118875A1 (en) * | 2015-07-14 | 2017-01-18 | LSIS Co., Ltd. | Interlock device of ring main unit |
| EP3188205A1 (en) * | 2015-12-30 | 2017-07-05 | LSIS Co., Ltd. | Interlock apparatus of ring main unit |
-
2013
- 2013-10-15 CN CN201320634315.2U patent/CN203552983U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3118875A1 (en) * | 2015-07-14 | 2017-01-18 | LSIS Co., Ltd. | Interlock device of ring main unit |
| CN106356755A (en) * | 2015-07-14 | 2017-01-25 | Ls产电株式会社 | Interlock device of ring main unit |
| US10526826B2 (en) | 2015-07-14 | 2020-01-07 | Lsis Co., Ltd. | Interlock device of ring main unit |
| EP3188205A1 (en) * | 2015-12-30 | 2017-07-05 | LSIS Co., Ltd. | Interlock apparatus of ring main unit |
| CN106935448A (en) * | 2015-12-30 | 2017-07-07 | Ls 产电株式会社 | The interlock of ring main unit |
| US9865407B2 (en) | 2015-12-30 | 2018-01-09 | Lsis Co., Ltd. | Interlock apparatus of ring main unit |
| CN106935448B (en) * | 2015-12-30 | 2019-03-22 | Ls 产电株式会社 | The interlock of ring network cabinet |
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