CN204189667U - For pressing the mechanical interlocking device of the cable chamber door of ring main unit in two stations - Google Patents
For pressing the mechanical interlocking device of the cable chamber door of ring main unit in two stations Download PDFInfo
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- CN204189667U CN204189667U CN201420629692.1U CN201420629692U CN204189667U CN 204189667 U CN204189667 U CN 204189667U CN 201420629692 U CN201420629692 U CN 201420629692U CN 204189667 U CN204189667 U CN 204189667U
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Abstract
The utility model discloses a kind of for pressing the mechanical interlocking device (2) opened or closed of the cable chamber door of ring main unit (1) in controlling, this mechanical interlocking device comprises: the chain pedestal of door (24), cam member (21), link component (22) and locking component (23), wherein when cam member is in open position (A), locking component is in its unlocked position (C), and locking component is in its latched position (D) when cam member is in closing position (B), wherein, the chain pedestal of door, cam member, link component and locking component cooperate mutually, so that along with separating brake or the combined floodgate of moving contact (5) and fixed contact (6), cable chamber door (1) can open or close.
Description
Technical field
The utility model relates to a kind of mechanical interlocking device, more particularly, relates to a kind of for controlling to press in two stations the mechanical interlocking device opened or closed of the cable chamber door of ring main unit.
Background technology
The cable vault of middle pressure ring main unit (SM6) is the touched compartment of Maintenance and Repair personnel.Middle pressure ring main unit of the prior art is three stations, i.e. these three stations of separating brake, combined floodgate and ground connection.In the case, ring main unit is when ground connection station, and the door just opening cable vault carries out repair and maintenance.This operating sequence is ensured by the mechanical chain of ring main unit.
But in order to avoid busbar grounding causes short circuit, ring main unit does not allow ground connection, so only need separating brake, combined floodgate two stations.
Fig. 1 is the schematic diagram of the part of the cable chamber door 1 of the middle pressure ring main unit of prior art, ring main unit is pressed to have two work in this, the implementation of two stations of this ring main unit is: block ground connection handle hole, to remove ground connection station, remove the mechanical chain (mechanical chain of three station ring main units originally, only when ground connection, cable chamber door can be opened) of cable chamber door, and screw 12 is loaded onto on the door top board 11 of cable chamber door, stick warning sign 13.Warning client, can removable screw 13 only after confirmation separating brake, opens cable chamber door 1.This method ensureing handling safety by warning sign 12, client more and more can not accept.
Because two station ring main units of prior art do not have mechanical interlocking device, therefore need a kind of for controlling to press in two stations the mechanical interlocking device opened or closed of the cable chamber door of ring main unit, by this mechanical interlocking device, only have when separating brake, cable chamber door can be opened, and when closing a floodgate, cable chamber door can not be opened, to guarantee processing safety.
Utility model content
The utility model is made in view of the problem of above-mentioned prior art, and the purpose of this utility model is the mechanical interlocking device providing a kind of reliable and effective two stations.The utility model presses the chain of the separating brake of ring main unit, combined floodgate and cable chamber door in mainly being realized by a kind of mechanical interlocking device comprising the chain pedestal of cam member, link component, locking component and door, thus guarantee that only cable chamber door just can be opened when separating brake, and cable chamber door can not be opened when closing a floodgate, thus facilitate operation that cable chamber door opens and ensure that the safety of attendant, which thereby enhance their operating efficiency, the product having this technology will be made thus more competitive.
The utility model by be provided in middle pressure ring main unit only when separating brake cable chamber door to be just opened and the mechanical structure that cable chamber door can not be opened when closing a floodgate provides a kind of safe and reliable mechanical interlocking device.
The purpose of this utility model in controlling, presses the mechanical interlocking device opened or closed of the cable chamber door of ring main unit to be achieved by providing a kind of, described interlock comprises: the chain pedestal of door, on the base supports plate that this chain pedestal is arranged on described middle pressure ring main unit and with described cable chamber door
Door top board connect slidably, cam member, the main shaft that this cam member is arranged on moving contact place rotates between the closing position that engages with fixed contact of the open position that can separate at moving contact and fixed contact along with the rotation of described main shaft and moving contact, link component, this link component is provided with the first hub switch side be connected with described cam member pivotable and the rotatable end be arranged on rotationally on the chain pedestal of described door, and locking component, this locking component to be fixed on described rotatable end and can to unlock between the unlocked position of described cable chamber door and the latched position locking described cable chamber door at it and rotates, wherein when described cam member is in described open position, described locking component is in its unlocked position, and described locking component is in its latched position when described cam member is in described closing position, wherein, the chain pedestal of described door, cam member, link component and locking component cooperate mutually, so that along with separating brake or the combined floodgate of described moving contact and described fixed contact, described cable chamber door can open or close.
Of the present utility model preferred embodiment in, described cam member comprises spindle hole and pivot section, the center that described spindle hole is positioned at described cam member is to make described cam member to be fixedly connected with described main shaft by this spindle hole and perpendicular to this main shaft, and described pivot section to be configured to be positioned at when described cam member is in described open position below described spindle hole and spaced apart with described spindle hole, described cam member is connected with the first hub switch side pivotable of described link component by described pivot section.
Of the present utility model preferred embodiment in, described link component comprises first connecting rod, second connecting rod and third connecting rod, described first connecting rod is parallel to the setting of described cam member and its first end is described first hub switch side, described first connecting rod also comprises the second hub switch side, this second hub switch side is connected with the first end pivotable of described second connecting rod, described second connecting rod from its first end relative to described first connecting rod towards described third connecting rod and be parallel to described cam member extend, second end of described second connecting rod is fixedly connected with the first end of described third connecting rod, described third connecting rod is perpendicular to described second connecting rod and be parallel to described main shaft and extend forward, second end of described third connecting rod is described rotatable end.
Of the present utility model preferred embodiment in, the length of described first connecting rod, second connecting rod is configured to make the described first connecting rod when described cam member is in described open position to be vertical and described second connecting rod is level.
Of the present utility model preferred embodiment in, described third connecting rod is configured to be rotatably supported at the first end place of this third connecting rod.
Of the present utility model preferred embodiment in, described locking component comprises tongue, this tongue is arranged perpendicular to described rotatable end, this tongue is fixed to described rotatable end in the left-hand end of its root, and the end of this tongue is configured to can lock described cable chamber door when described cam member is in described closing position and can open described cable chamber door when described cam member is in described open position.
Of the present utility model preferred embodiment in, described locking component also comprises and described tongue arranged parallel and separate the strip board at an interval, one end of this strip board is fixed to described rotatable end, and the right-hand end of the root of the other end and described tongue is fixed together by a fixture with fixing described tongue and described strip board.
Of the present utility model preferred embodiment in, the chain pedestal of described door comprises: the horizontally disposed microscler base plate that the door top board of described cable chamber door is placed on it, along described base plate back edge straight up and be parallel to described locking component extend rear plate, the cross section of this rear plate and described base plate is formed as " L " shape, described rear plate is fixed on described base supports plate, on the mid portion of described base plate, from left side to right side, be wherein provided with the starting stave of the certain distance that is spaced apart from each other extending to forward the leading edge of described base plate perpendicular to described rear plate and base plate, second riser, this starting stave, second riser and the leading edge along described base plate are straight up and be parallel to the column that the 3rd riser that described rear plate extends forms hollow, described 3rd riser is provided with "T"-shaped opening or inverted "L" shaped opening.
Of the present utility model preferred embodiment in, the chain pedestal of described door also comprises: in the part of its left-hand end, be provided with and four riser of equal altitudes parallel with described starting stave at described base plate; Top board opposing upper and lower with a part for described base plate, this top board and described starting stave, the second riser, the 3rd riser and the 4th riser link together; The part of the close described column of the right part of wherein said rear plate has the projection upwards extended from the top of this rear plate, this projection is provided with circular through hole, described rotatable end can rotate through this through hole, and this projection with this through hole is arranged in described interval.
Of the present utility model preferred embodiment in, the door top board of described cable chamber door comprises for holding the first opening of described 4th riser and the second opening for holding described column, be provided with in this second opening bottom it towards the slider part which that described rear plate extends, this slider part which can be buckled in described column through the horizontal opening of described "T"-shaped opening or inverted "L" shaped opening, slides up and down along the vertical opening of described "T"-shaped opening or inverted "L" shaped opening for enabling this slider part which.
Of the present utility model preferred embodiment in, the vertical opening of described "T"-shaped opening or inverted "L" shaped opening is formed to make the slider part which of the door top board of the described cable chamber door when described locking component is in its unlocked position can along the position that described vertical opening is lifted to the position of described horizontal opening and the slider part which of the door top board of described cable chamber door is merely able to the bottom being positioned at described vertical opening when described locking component is in its latched position.
Of the present utility model preferred embodiment in, described slider part which is configured to be similar to " T " shape.
Of the present utility model preferred embodiment in, the door top board of described cable chamber door also comprises and to be positioned on the right side of described second opening and the locking projection be positioned at below described tongue, and this locking projection is configured to the end of the described tongue when described tongue is positioned at its latched position against this locking projection.
Utilize according to mechanical interlocking device of the present utility model, due to achieve cable chamber door and separating brake, combined floodgate chain, when therefore closing a floodgate, cable chamber door can not be opened, when only having separating brake, cable chamber door can be opened, convenient and ensure that the safety of attendant.
Accompanying drawing explanation
The industry of other objects of the present utility model, characteristic sum and technical significance are easier to understand by becoming the detailed description of embodiment of the present utility model below in conjunction with accompanying drawing, in figure:
Fig. 1 is of the prior art locked by screw in press the schematic diagram of ring main unit cable chamber door;
Fig. 2 has the perspective view according to pressing ring main unit in mechanical interlocking device of the present utility model, and illustrated therein is the situation of mechanical interlocking device under gate-dividing state, now cable chamber door can be opened;
Fig. 3 is the mechanical interlocking device shown in Fig. 2 and moving contact and the perspective view of fixed contact under gate-dividing state;
Fig. 4 is the mechanical interlocking device shown in Fig. 3 and moving contact and the front view of fixed contact under gate-dividing state;
Fig. 5 has the perspective view according to pressing ring main unit in mechanical interlocking device of the present utility model, and illustrated therein is the situation of mechanical interlocking device under "on" position, now cable chamber door can not be opened;
Fig. 6 is the mechanical interlocking device shown in Fig. 5 and moving contact and the perspective view of fixed contact under "on" position;
Fig. 7 is the mechanical interlocking device shown in Fig. 6 and moving contact and the front view of fixed contact under "on" position;
Fig. 8 is the enlarged perspective of each part according to mechanical interlocking device of the present utility model;
Fig. 9 is the perspective view of the structure according to cable chamber door of the present utility model and door top board thereof.
Embodiment
Describe preferred implementation of the present utility model with reference to the accompanying drawings in detail.
Fig. 2 and Fig. 5 has the perspective view according to pressing ring main unit in mechanical interlocking device 2 of the present utility model, which show respectively the situation of mechanical interlocking device under gate-dividing state and "on" position.Fig. 3 and Fig. 4 is the perspective view of mechanical interlocking device 2 under gate-dividing state and front view respectively.Fig. 6 and Fig. 7 is the perspective view of mechanical interlocking device 2 under "on" position and front view respectively.Fig. 8 is the perspective view of each part of mechanical interlocking device 2.Fig. 9 is the perspective view of the structure of cable chamber door 1 and door top board 11 thereof.The concrete structure of the mechanical interlocking device opened or closed of the cable chamber door according to the middle pressure ring main unit for controlling two stations (separating brake, combined floodgate two stations) of the present utility model is introduced in detail below in conjunction with Fig. 2-9.
As Fig. 2-8 can be more clearly visible, mainly comprise the chain pedestal 24 of door, cam member 21, link component 22 and locking component 23 according to mechanical interlocking device 2 of the present utility model.
Wherein the chain pedestal of door 24 be arranged on middle pressure ring main unit by traditional approachs such as screws base supports plate 4 on and be connected slidably with the door top board 11 of cable chamber door 1 (it can specifically describe below in the drawings and be not represented for clarity).
Cam member 21 offers spindle hole 211 and is provided with pivot section 212.The center that spindle hole 211 is positioned at cam member 21 to make cam member 21 to be fixedly connected with main shaft 3 by spindle hole 211 and perpendicular to this main shaft 3 so that cam member 21 can rotate along with the rotation of main shaft 3.In theory, pivot section 212 can be arranged on any position also distance spindle hole certain distance at the edge of cam member 21, but in the utility model, in order to make described mechanical interlocking device work more reliable, preferably, but not necessarily, pivot section 212 is configured to be positioned at below spindle hole when cam member 21 is in the open position A of moving contact 5 and fixed contact 6, preferably, as shown in Figure 4.Cam member 21 is connected with the first hub switch side 2211 pivotable of described link component 22 by pivot section 212, pivot section 212 can be set up the form of pore-forming thus, the form with pin can be arranged in described first hub switch side 2211, so that the pivotable forming pin-hole connects, certain pivot section can be arranged to the form with pin, form with holes can be arranged in first hub switch side 2211 of link component 22, in addition, also other the pivotable connected mode that person in the art knows can be adopted, as long as the object that the pivotable of the present utility model that can realize connects.
Main shaft 3 being provided with multiple moving contact 5, for contacting with corresponding multiple upper and lower static contacts 6, realizing dynamic/static contact 5, the separating brake of 6 and combined floodgate.Rotate between the open position A that cam member can separate at moving contact and fixed contact along with the rotation of main shaft and the closing position B that moving contact engages with fixed contact.
Briefly, link component 22 is provided with the first hub switch side 2211 be connected with cam member 21 pivotable and the rotatable end 2231 be arranged on rotationally on the chain pedestal of described door.Particularly, link component comprises first connecting rod 221, second connecting rod 222 and third connecting rod 223.First connecting rod 221 is parallel to cam member 21 and arranges and its first end is described first hub switch side 2211, described first connecting rod 221 also comprises the second hub switch side 2212, this second hub switch side is connected with the first end pivotable of described second connecting rod 222, and this pivotable connected mode can adopt mode as above or other modes well known in the art.Second connecting rod 222 is parallel to cam member 21 and extends relative to first connecting rod 221 from its first end towards third connecting rod 223, second end of second connecting rod 222 is fixedly connected with the first end of third connecting rod 223, the mode of being fixedly connected with can adopt any known mode in this area, as long as be fixedly connected with both realizing.Third connecting rod 223 is perpendicular to second connecting rod 222 and be parallel to main shaft 3 and extend forward, and the second end of third connecting rod 223 is described rotatable end 2231.Preferably, first connecting rod 221 and second connecting rod 222 are set up tabular, preferably straight tabular, but also can be set to shaft-like, preferably straight shaft-like, third connecting rod 223 be set to column can rotate.Although in the utility model, first connecting rod 221 and second connecting rod 222 are set to single straight shaft-like, but for baroque ring main unit, first connecting rod 221 and second connecting rod 222 also can be arranged as required, and are not limited to shown structure.Preferably, the length of first connecting rod 221, second connecting rod 222 is configured to make the first connecting rod when cam member 21 is in open position A be vertical and second connecting rod is level, certainly this neither be required, other modes also can, as long as the purpose of this utility model that can realize.In addition, although do not illustrate that in accompanying drawing of the present utility model the first end of third connecting rod 223 is rotatably supported, preferably, the first end of third connecting rod can be configured to be rotatably supported.
Locking component 23 to be fixed on described rotatable end 2231 and can to unlock between the unlocked position C of cable chamber door and the latched position D of lock cable room door at it and rotates, wherein when cam member 21 is in open position A, locking component is in its unlocked position C, and locking component is in its latched position D when cam member 21 is in closing position B.Locking component 23 comprises the tongue 231 arranged perpendicular to described rotatable end, this tongue is fixed to the rotatable end 2231 of described third connecting rod 223 in the left-hand end of its root, and the end 2311 of this tongue is configured to can lock cable room door and can open cable chamber door 1 when cam member 21 is in open position A when cam member 21 is in closing position B.Preferably, locking component 23 also comprises and described tongue 231 arranged parallel and separate the strip board 232 at an interval, one end of this strip board is fixed to the rotatable end 2231 of described third connecting rod 223, the right-hand end of the root of the other end and described tongue is fixed together by a fixture with fixing tongue 231 and strip board 232, and described fixture can be any fixtures known in the art such as pin, screw, bolt.
As shown in Figure 8, the chain pedestal of door 24 roughly comprises base plate 241 and rear plate 242.Wherein base plate 241 be set to level and it is placed the part of door top board 11 of cable chamber door 1.Rear plate 242 along base plate back edge straight up and be parallel to locking component 23 and extend, the cross section of this rear plate and base plate is formed as roughly " L " shape, and described rear plate 242 is fixed on described base supports plate 4.Described base plate and rear plate can be bent by sheet material together and form, two sheet materials that also can be welding or link together, described base plate and described rear plate are elongated along the length direction of door top board 11 and slightly can be placed on it with side door top board wider than this top board, can arrange as required in this area.Further, the mid portion of base plate 241 is provided with from left side L to right side R starting stave 243, second riser 244 extending to forward the certain distance that is spaced apart from each other of the leading edge of described base plate perpendicular to described rear plate 242 and base plate 241, this starting stave, the second riser and the leading edge along base plate straight up and be parallel to the column that the 3rd riser 245 that rear plate extends forms hollow, the 3rd riser 245 are provided with "T"-shaped opening 2451 or inverted "L" shaped opening.Although in the utility model, the opening that the 3rd riser 245 is arranged is described "T"-shaped, and it also can be arranged to inverted "L" shaped formula, also can adopt other form, as long as can realize technical purpose of the present utility model.
Preferably, the chain pedestal 24 of door also comprises the 4th riser 246 and top board 247.4th riser 246 is arranged on the parallel with starting stave and be equal altitudes in the part of its left-hand end of described base plate 241.Top board 247 is relative up and down with a part for base plate 241, this top board 247 links together with starting stave 243, second riser 244, the 3rd riser 245 and the 4th riser 246, to make more door chain pedestal 24 more solid, simultaneously more reliable with the joint of door top board 11.Although only illustrate the 4th side plate and a column at this, those skilled in the art can arrange multiple 4th side plates and multiple column according to actual needs, or only arrange column, do not arrange the 4th side plate or top board.
Further, the part of the close described column of the right part of described rear plate 242 has the projection upwards extended from the top of this rear plate, this projection is provided with circular through hole 2421, the rotatable end 2231 of described third connecting rod 223 can rotate through this through hole 2421, and in the interval of this projection with this through hole between described tongue 231 and described strip board 232.
In order to the chain pedestal 24 of the door top board 11 of cable chamber door 1 and door be made to coordinate, the door top board 11 of cable chamber door 1 is provided with the first opening 111 of the 4th riser for holding the chain pedestal of door 24 and the second opening 112 for the column that holds the chain pedestal of door, this can be clear that from accompanying drawing 9.Be provided with in the second opening 112 on the door top board of cable chamber door bottom it towards the slider part which 113 that rear plate 242 extends, this slider part which can be buckled in described column through the horizontal opening of "T"-shaped opening or inverted "L" shaped opening, slides up and down along the vertical opening of described "T"-shaped opening or inverted "L" shaped opening for enabling slider part which.
Further, the vertical opening of described "T"-shaped opening or inverted "L" shaped opening is formed to make the slider part which 113 of the door top board of the cable chamber door when locking component 23 is in its unlocked position C can be lifted to the position of described horizontal opening along described vertical opening and the slider part which 113 of the door top board of cable chamber door is merely able to along described vertical opening by the position lifted below described horizontal opening when locking component 23 is in its latched position D, preferably, the position of the bottom of described vertical opening is positioned at.Preferably, described slider part which 113 is configured to be similar to " T " shape, certainly be formed as other forms of, as long as can be buckled in described column through the horizontal opening on the 3rd riser 245 of the chain pedestal of door 24 and can slide up and down along described vertical opening.
Further, as shown in Figure 9, the door top board 11 of described cable chamber door also comprise be positioned at described door top board the second opening on the right side of and the locking projection 114 be positioned at below described tongue, this locking projection is configured to the end 2311 of the described tongue when tongue 231 is positioned at its latched position D against this locking projection 114.
The chain pedestal 24 of described door, cam member 21, link component 22 and locking component 23 can cooperate mutually, so that along with the separating brake of described moving contact 5 and described fixed contact 6 or combined floodgate, described cable chamber door 1 can open or close.
The foregoing describe the concrete structure of the door top board 11 according to mechanical interlocking device 2 of the present utility model and cable chamber door 1, simply introduce the operating process of described mechanical interlocking device 2 below in conjunction with Fig. 2-7.
After separating brake, moving contact 5 and fixed contact 6 are in open position, as in Figure 2-4, the end 2311 of the tongue 231 of described locking component 23 lifts and the horizontal opening of "T"-shaped opening higher than the chain pedestal of described door 24, the door top board 11 of cable chamber door can be lifted thus, described cable chamber door is by the vertical opening upward sliding of the slider part which 113 of the first opening 111 in door top board along the 4th riser 246 and in its second opening along described "T"-shaped opening, when described slider part which 113 upward sliding is to the position of the horizontal opening of described "T"-shaped opening, because the end 2311 of the tongue 231 of locking component 23 is higher than the horizontal opening of the "T"-shaped opening of the chain pedestal of described door 24, therefore the slider part which 113 in door top board 11 can pull out from the horizontal opening of described "T"-shaped opening, thus achieve opening of cable chamber door 1.
When closing a floodgate, when main shaft 3 rotates counterclockwise from described moving contact 5 is in the position of open position A with fixed contact 6, now rotating counterclockwise of main shaft 3 also drives rotating counterclockwise of moving contact 5 and cam member 21, rotating counterclockwise of cam member 21 drives the first connecting rod 221 be connected with its pivotable to promote counterclockwise, the counterclockwise lifting of this first connecting rod drives second connecting rod 222 to rotate clockwise around third connecting rod 223, second connecting rod 222 rotating clockwise thus the third connecting rod 223 be fixedly connected with this second connecting rod 222 rotated around its axis both clockwise around third connecting rod 223, rotating clockwise of this third connecting rod 223 drives the end 2311 of the tongue 232 of the locking component 23 be fixedly connected with it to start to decline further, when described moving contact 5 turns to the closing position B contacted with fixed contact 6, as illustrated in figs. 5-7, the end 2311 of described tongue 231 starts to be reduced to the locking projection 114 against described door top board 11, now cable chamber door 1 contacts with the end 2311 of described tongue 231 due to the locking projection 114 of its top board, therefore can not upwards be lifted, thus achieve the locking of cable chamber door 1.
Mechanical interlocking device 2, does not repeat them here from combined floodgate to the operating process of separating brake with just in time contrary to the operating process of closing a floodgate from separating brake.
Although describing the utility model in detail above with reference to preferred implementation of the present utility model, but the utility model is not limited to above-mentioned embodiment, but be to be understood that, when not departing from the utility model scope defined in claim, art personnel can make multiple change and the alternative wherein Various Components of multiple equivalent.And, the combination of the technical characteristic herein between various aspects, element and/or function and collocation are clear distinct, therefore according to the content disclosed in these, technical characteristic, element and/or function that art personnel can understand in embodiment can optionally be incorporated in another aspect, unless foregoing has other description.In addition, according to instruction of the present utility model, do not depart from the scope of the utility model essence, adapt to special situation or material can make many changes.Therefore, the utility model is not limited to accompanying drawing institute graphic other specific embodiment, and the specific embodiment as the preferred forms at present contemplated by enforcement the utility model described in specification, and the utility model intention comprises all execution modes fallen in above-mentioned specification and appended right.
Claims (13)
1. one kind for pressing the mechanical interlocking device (2) opened or closed of the cable chamber door of ring main unit (1) in controlling, and it is characterized in that, this mechanical interlocking device comprises:
The chain pedestal of door (24), the base supports plate (4) that this chain pedestal is arranged on described middle pressure ring main unit is gone up and is connected slidably with the door top board (11) of described cable chamber door (1);
Cam member (21), this cam member is arranged between closing position (B) that the main shaft (3) at moving contact (5) place upper and the open position (A) that can separate at moving contact (5) and fixed contact (6) along with the rotation of described main shaft and moving contact (5) engage with fixed contact (6) and rotates;
Link component (22), this link component is provided with the first hub switch side (2211) be connected with described cam member pivotable and the rotatable end (2231) be arranged on rotationally on the chain pedestal of described door; And
Locking component (23), this locking component to be fixed on described rotatable end and can to unlock between the unlocked position (C) of described cable chamber door (1) and the latched position (D) of the described cable chamber door of locking (1) at it and rotates, wherein when described cam member (21) is in described open position (A), described locking component (23) is in its unlocked position (C), and described locking component is in its latched position (D) when described cam member is in described closing position (B)
Wherein, the chain pedestal of described door, cam member, link component and locking component cooperate mutually, so that along with the separating brake of described moving contact and described fixed contact or combined floodgate, described cable chamber door (1) can open or close.
2. mechanical interlocking device (2) as claimed in claim 1, it is characterized in that, described cam member (21) comprises spindle hole (211) and pivot section (212), the center that described spindle hole is positioned at described cam member is to make described cam member to be fixedly connected with described main shaft (3) by this spindle hole and perpendicular to this main shaft, and described pivot section (212) is configured to be positioned at when described cam member (21) is in described open position (A) described spindle hole (211) below and spaced apart with described spindle hole, described cam member (21) is connected with the first hub switch side (2211) pivotable of described link component by described pivot section (212).
3. mechanical interlocking device (2) as claimed in claim 2, it is characterized in that, described link component (22) comprises first connecting rod (221), second connecting rod (222) and third connecting rod (223), described first connecting rod is parallel to described cam member (21) setting and its first end is described first hub switch side (2211), described first connecting rod also comprises the second hub switch side (2212), this second hub switch side is connected with the first end pivotable of described second connecting rod (222), described second connecting rod from its first end relative to described first connecting rod towards described third connecting rod and be parallel to described cam member (21) extend, second end of described second connecting rod is fixedly connected with the first end of described third connecting rod, described third connecting rod is perpendicular to described second connecting rod and be parallel to described main shaft (3) and extend forward, second end of described third connecting rod (223) is described rotatable end (2231).
4. mechanical interlocking device (2) as claimed in claim 3, it is characterized in that, the length of described first connecting rod (221), second connecting rod (222) is configured to make the described first connecting rod when described cam member is in described open position (A) to be vertical and described second connecting rod is level.
5. mechanical interlocking device (2) as claimed in claim 3, it is characterized in that, described third connecting rod (223) is configured to be rotatably supported at the first end place of this third connecting rod.
6. the mechanical interlocking device (2) as described in any one in claim 1-5, it is characterized in that, described locking component (23) comprises tongue (231), this tongue is arranged perpendicular to described rotatable end (2231), this tongue is fixed to described rotatable end (2231) in the left-hand end of its root, the end (2311) of this tongue is configured to can lock described cable chamber door (1) when described cam member (21) is in described closing position (B) and can open described cable chamber door (1) when described cam member is in described open position (A).
7. mechanical interlocking device (2) as claimed in claim 6, it is characterized in that, described locking component (23) also comprises and described tongue arranged parallel and separate the strip board (232) at an interval, one end of this strip board is fixed to described rotatable end (2231), and the right-hand end of the root of the other end and described tongue is fixed together by a fixture with fixing described tongue and described strip board.
8. mechanical interlocking device (2) as claimed in claim 7, it is characterized in that, the chain pedestal of described door (24) comprising:
The horizontally disposed microscler base plate (241) that the door top board (11) of described cable chamber door (1) is placed on it;
Along described base plate back edge straight up and be parallel to the rear plate (242) that described locking component (23) extends, the cross section of this rear plate and described base plate is formed as " L " shape, described rear plate is fixed on described base supports plate (4), wherein on the mid portion of described base plate, from left side (L) to right side (R) is provided with the starting stave (243) extending to forward the certain distance that is spaced apart from each other of the leading edge of described base plate perpendicular to described rear plate and base plate, second riser (244), this starting stave, second riser and the leading edge along described base plate are straight up and be parallel to the column that the 3rd riser (245) that described rear plate extends forms hollow, described 3rd riser is provided with "T"-shaped opening (2451) or inverted "L" shaped opening.
9. mechanical interlocking device (2) as claimed in claim 8, it is characterized in that, the chain pedestal of described door (24) also comprises:
In the part of its left-hand end, and four riser (246) of equal altitudes parallel with described starting stave (243) is provided with at described base plate (241);
With the part top board opposing upper and lower (247) of described base plate (241), this top board and described starting stave (243), the second riser (244), the 3rd riser (245) and the 4th riser (246) link together;
The part of the close described column of the right part of wherein said rear plate (242) has the projection upwards extended from the top of this rear plate, this projection is provided with circular through hole (2421), described rotatable end (2231) can be rotated through this through hole, and this projection with this through hole is arranged in described interval.
10. mechanical interlocking device (2) as claimed in claim 9, it is characterized in that, the door top board (11) of described cable chamber door (1) comprises the first opening (111) for holding described 4th riser and the second opening (112) for holding described column, be provided with in this second opening bottom it towards the slider part which (113) that described rear plate extends, this slider part which can be buckled in described column through the horizontal opening of described "T"-shaped opening (2451) or inverted "L" shaped opening, can slide up and down along the vertical opening of described "T"-shaped opening or inverted "L" shaped opening for making this slider part which (113).
11. mechanical interlocking devices (2) as claimed in claim 10, it is characterized in that, the vertical opening of described "T"-shaped opening or inverted "L" shaped opening is formed to make the slider part which (113) of the door top board (11) of the described cable chamber door (1) when described locking component (23) is in its unlocked position (C) can along the position that described vertical opening is lifted to the position of described horizontal opening and the slider part which (113) of the door top board (11) of described cable chamber door (1) is positioned at the bottom of described vertical opening when described locking component (23) is in its latched position (D).
12. mechanical interlocking devices (2) as claimed in claim 11, is characterized in that, described slider part which (113) is configured to be similar to " T " shape.
13. mechanical interlocking devices (2) as described in any one in claim 10-12, it is characterized in that, the door top board (11) of described cable chamber door (1) also comprise be positioned at described second opening (112) right side (R) and be positioned at described tongue (231) below locking projection (114), this locking projection is configured to the end (2311) of the described tongue when described tongue (231) is positioned at its latched position (D) against this locking projection (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629692.1U CN204189667U (en) | 2014-10-28 | 2014-10-28 | For pressing the mechanical interlocking device of the cable chamber door of ring main unit in two stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629692.1U CN204189667U (en) | 2014-10-28 | 2014-10-28 | For pressing the mechanical interlocking device of the cable chamber door of ring main unit in two stations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189667U true CN204189667U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420629692.1U Active CN204189667U (en) | 2014-10-28 | 2014-10-28 | For pressing the mechanical interlocking device of the cable chamber door of ring main unit in two stations |
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| Country | Link |
|---|---|
| CN (1) | CN204189667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429870A (en) * | 2019-09-09 | 2019-11-08 | 苏州艾克威尔科技有限公司 | A kind of high pressure soft starting device |
| CN110931286A (en) * | 2019-11-05 | 2020-03-27 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
-
2014
- 2014-10-28 CN CN201420629692.1U patent/CN204189667U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429870A (en) * | 2019-09-09 | 2019-11-08 | 苏州艾克威尔科技有限公司 | A kind of high pressure soft starting device |
| CN110931286A (en) * | 2019-11-05 | 2020-03-27 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
| CN110931286B (en) * | 2019-11-05 | 2021-10-22 | 许继集团有限公司 | Switchgear and three-position switch and circuit breaker interlocking device thereof |
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