CN207166006U - Longitudinal withdraw-type breaker middle-placed switch cabinet - Google Patents
Longitudinal withdraw-type breaker middle-placed switch cabinet Download PDFInfo
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- CN207166006U CN207166006U CN201721066420.5U CN201721066420U CN207166006U CN 207166006 U CN207166006 U CN 207166006U CN 201721066420 U CN201721066420 U CN 201721066420U CN 207166006 U CN207166006 U CN 207166006U
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- moving contact
- disconnecting switch
- breaker
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Abstract
Longitudinal withdraw-type breaker middle-placed switch cabinet is the utility model is related to, by bus-bar room setting up and down, breaker chamber and cable vault, the push-and-pull of circuit breaker cart longitudinal direction is realized and goes out breaker chamber；The relatively each fixed contact pedestal group of the circuit breaker cart, one is set by the synchronously driven upper disconnecting switch moving contact of linkage and lower disconnecting switch moving contact；By driving the linkage, disconnecting switch moving contact and lower disconnecting switch moving contact reverse movement on this, to insert the upper static contact seat in bus-bar room and the lower static contact seat in cable vault respectively, so it is achieved that isolation knife and lower isolation knife while closes a floodgate；Handcart circuit breaker closing operation is finally carried out, completes power transmission.
Description
Technical field
The utility model belongs to technical field of electric equipment, and in particular to a kind of longitudinal withdraw-type breaker middle-placed switch cabinet.
Background technology
Present withdraw-type switch cabinet A, B, C three-phase contact is typically arranged using horizontal middle, defines relative operator
Member, breaker A, B, C three-phase contact after, in, front direction arrangement be longitudinal direction, breaker A, B, C three-phase contact is along left, center, right
Direction arrangement is laterally.
As KYN28 intermediate switchgear cabinets, its primary cut-out three-phase major loop used are horizontal linear using left, center, right
Arrangement, operated by breaker bottom chassis car, breaker can be promoted along switch cubicle fore-and-aft direction (i.e. longitudinal direction), reach work
During position, major loop realizes conducting by dynamic/static contact grafting.
Its shortcoming is that primary cut-out three-phase major loop lateral arrangement causes cabinet wide larger, and handcart moves forward and backward needs one
Determine stroke, so as to cause cabinet deeper, therefore floor space is very big；Its other main bus-bar and branch bus length are larger, are processed into
This is higher, and is used as main heating former in using, and causes energy loss and influences equipment job security.
The content of the invention
The utility model aims to provide a kind of longitudinal withdraw-type breaker middle-placed switch cabinet, and three-phase major loop is longitudinally arranged, with reality
The now width for reducing middle-placed switch cabinet by a relatively large margin, and phase spacing is constant, so without adding insulating barrier and insulating wrapped etc.
Traditional method.
Concrete scheme is as follows：Longitudinal withdraw-type breaker middle-placed switch cabinet, including a cabinet, the cabinet pass through gold setting up and down
Category upper spacer and metal lower clapboard are separated into bus-bar room, breaker chamber, cable vault from top to bottom；Open circuit is provided with the breaker chamber
Device handcart, the circuit breaker cart can be pulled out or promoted in the breaker chamber；Also include fixed contact pedestal group, the fixed contact pedestal group includes
A upper static contact seat and a lower static contact seat in the cable vault in the bus-bar room；It is right on the circuit breaker cart
Should fixed contact pedestal group be provided with a combined floodgate component, the combined floodgate component include upper disconnecting switch moving contact, lower disconnecting switch moving contact,
Linkage and circuit breaker polar；Disconnecting switch moving contact and lower disconnecting switch moving contact are located at the circuit breaker polar on this
On, and by the linkage, synchronously driving moves backward, and to be each passed through the upper spacer and lower clapboard, and inserts stationary contact on this
Headstock and the lower static contact seat；The moving conduit that disconnecting switch moving contact should be gone up on the upper spacer is provided with upper through hole；Likewise,
To disconnecting switch moving contact moving conduit should be descended to be provided with lower through-hole on the lower clapboard.
Further, be provided with left and right guide rail in the breaker chamber, on the circuit breaker cart to should left and right guide rail position
Install and be equipped with roller, to be movably installed in by the roller on the left and right guide rail, and can be slided along the left and right guide rail, to pull out
Or promote the breaker chamber；The roller is located at the bottom of the circuit breaker cart, and the left and right guide rail is somebody's turn to do on the lower clapboard
Left and right guide rail is horizontally disposed with, so that the circuit breaker cart is horizontal to pull out or promote the breaker chamber.
Further, the fixed contact pedestal group has three groups, and corresponding, the circuit breaker cart is provided with three combination gate assemblies；Three
The group fixed contact pedestal group is arranged successively along the circuit breaker cart moving direction, and then makes the circuit breaker cart with respect to the fixed contact pedestal
Group longitudinal direction is pulled out or promoted in the breaker chamber；A drive mechanism is additionally provided with the circuit breaker cart, drive mechanism transmission connects
It is connected on the linkage of the three combinations gate assembly, to drive the upper disconnecting switch moving contact of the three combinations gate assembly and lower isolation
Switch movable contact reversely links up and down, until with all the upper static contact seats and lower static contact seat synchroswitching of fixed contact pedestal group or
Separating brake.
Further, the drive mechanism includes an isolation axle, and corresponding to each linkage on the circuit breaker polar is pivoted
There is a driving crank, the both ends of the driving crank are connected on the linkage and the isolation axle, rotated to pass through respectively
The isolation axle, realizes the driving of linkage.
Further, the cable vault is separated into rear cable vault and preceding electricity by the metallic cable being disposed vertically a room dividing plate
Cable room；Be provided with threephase cable terminal in the rear cable vault, three lower static contact seats in the rear cable vault and after, in, it is preceding
Longitudinal arrangement mode is connected to the threephase cable terminal；The threephase cable terminal has in the preceding cable vault and a left side, in,
Right lateral arrangement threephase cable connection-peg, and then realize that three-phase major loop arrangement is changed.
Further, the circuit breaker polar is provided with the installation slideway of a both ends open, the two-port difference of the installation slideway
The upper static contact seat and lower static contact seat of the fixed contact pedestal group of face one；Disconnecting switch moving contact and lower disconnecting switch are dynamic tactile on this
Head can slide in the installation slideway, and disconnecting switch moving contact and lower disconnecting switch moving contact are respectively arranged on the installation on this
The both ends of slideway；The linkage includes upper the moving contact driver plate and lower moving contact driver plate that are mutually pivotally connected, moves on this and touches
The free end of head driver plate and lower moving contact driver plate is also articulated in disconnecting switch moving contact and lower disconnecting switch on this and moved respectively
On contact；The drive mechanism is connected with moving contact driver plate on this and/or lower moving contact driver plate, to pass through the connecting rod machine
Structure drives upper disconnecting switch moving contact and lower disconnecting switch, and along the installation slideway, reversely linkage is moved.
Further, a directive slide track for being approximately perpendicular to the installation slideway is additionally provided with the circuit breaker polar, is moved on this
Drive-connecting shaft between contact driver plate and lower moving contact driver plate is slidable to be installed in the directive slide track, and then is made on this
Moving contact driver plate and the lower moving contact driver plate are into " V " font structure.
It is of the present utility model further technical scheme be：Cladding one is respectively provided with the upper spacer and lower clapboard
The upper contact head box and lower contact box of the upper static contact seat and lower static contact seat；And the upper contact head box and lower contact box are opened
Mouth end is each passed through through hole and lower through-hole on this, to be conducted in the breaker chamber；The upper contact head box and lower contact box
Mobilizable upper contact head box valve and lower contact box valve are installed in openend respectively, the upper contact head box valve and lower contact box valve
The normally closed openend for being covered in the upper contact head box and lower contact box respectively；Use is further respectively had on the upper spacer and lower clapboard
Upper drive mechanism in driving upper contact head box valve and lower drive mechanism for driving lower contact box valve, driving machine on this
Structure and lower drive mechanism have a drive division in the breaker chamber respectively；Corresponding two drive divisions on the circuit breaker cart
It is respectively equipped with a trigger unit；The circuit breaker cart is pushed into during the breaker chamber, and two trigger units are respectively acting on two drives
Dynamic portion, to drive upper contact head box valve and lower contact box valve respectively by the upper drive mechanism and lower drive mechanism, to open
The openend of the upper contact head box and lower contact box.
Further, the upper drive mechanism include one approximately along circuit breaker cart push-in direction extension upper rotating bar and
One is approximately perpendicular to the upper drive rod in circuit breaker cart push-in direction, and drive rod passes through a bevel gear machine with rotating bar on this on this
Structure is connected, and the upper contact head box valve is articulated on the upper contact head box, and is connected with rotating bar on this, by the rotating bar
Driving upset fastens or opened the openend of the upper contact head box；The drive division of the upper drive mechanism is to be connected to drive rod on this
Upper crank element, it is an overhead gage to the trigger unit that should go up crank element on the circuit breaker cart；Circuit breaker cart push-in open circuit
During device room, the overhead gage contradicts and promotes crank element on this, to drive drive rod on this to rotate, and then opens the upper contact head
The openend of box.
Further, a contact box observation window is respectively equipped with the side wall of the upper contact head box and lower contact box, directly to see
Examine isolation knife opening and closing state.
The utility model is realized in circuit breaker cart and put by bus-bar room setting up and down, breaker chamber, cable vault；
The relatively each fixed contact pedestal group of the circuit breaker cart, setting one is by the synchronously driven upper disconnecting switch moving contact of linkage with
Disconnecting switch moving contact；By driving the linkage, disconnecting switch moving contact and lower disconnecting switch moving contact reversely move on this
It is dynamic, to insert the upper static contact seat in bus-bar room and the lower static contact seat in cable vault respectively, thus realize
Upper isolation knife and lower isolation knife are closed a floodgate simultaneously；Handcart circuit breaker closing operation is finally carried out, completes power transmission.
The technical solution of the utility model, because the upper disconnecting switch moving contact using activity and lower disconnecting switch are dynamic tactile
Head, so circuit breaker cart can along breaker cabinet three-phase contact arragement direction, i.e., longitudinal direction, promote or release breaker chamber,
Solve the problems, such as that the switch cabinet of existing lateral arrangement is wide larger；Further, this kind of plan of establishment maximumlly reduces
The length of main bus-bar and branch bus, while saving material, pyrotoxin is greatly reduced, device security significantly increases.
Brief description of the drawings
Fig. 1 show the utility model embodiment (the upper contact head box of one group of fixed contact pedestal group with lower contact box removed) every
From knife "on" position structural representation；
Fig. 2 shows Fig. 1 isolation knife gate-dividing state structural representations；
Fig. 3 shows schematic diagram when circuit breaker cart isolation knife is closed a floodgate；
Fig. 4 shows that Fig. 3 removes the structural representation after a combined floodgate component；
Fig. 5 shows structural representation during circuit breaker cart isolation knife separating brake；
Fig. 6 shows that Fig. 5 removes the structural representation after a combined floodgate component；
Fig. 7 shows the structural representation of upper contact head box observation window；
Fig. 8 shows upper spacer (upper contact head box valve closure) structural representation；
Fig. 9 shows upper spacer (upper contact head box valve opening) structural representation；
Figure 10 shows lower clapboard structural representation.
Figure 11 shows the structural representation of threephase cable terminal.
Embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to shown in Fig. 1 and Fig. 2, the embodiment provides a kind of longitudinal withdraw-type breaker middle-placed switch cabinet, including a cabinet 10,
The cabinet 10 is in rectangular-shape, and the upper spacer 11 and lower clapboard 12 of metal material are vertically disposed with it, and the cabinet 10 passes through
The upper spacer 11 and lower clapboard 12 are separated into bus-bar room 101, breaker chamber 103 and cable vault, cable vault bag from top to bottom
Kuo Youhou cable vaults 102, preceding cable vault 104.There is cable vault's dividing plate 13 centre of the lower end of cabinet 10, for separating cable vault.
In conjunction with Fig. 3, a circuit breaker cart 3 is provided with the breaker chamber 103, the circuit breaker cart 3 can be pulled out or promoted
In the breaker chamber 103.Specifically, it is provided with left and right guide rail, in this embodiment, the left and right guide rail in the breaker chamber 103
Located at the lower clapboard 12, the arranged on left and right sides of the bottom surface of breaker chamber 103 is arranged in.To should on the bottom of the circuit breaker cart 3
Left and right guide rail position is provided with roller 37, specifically, the roller 37 has four, it is located at the bottom of the circuit breaker cart 3；
It is movably installed in by the roller 37 on the left and right guide rail, the circuit breaker cart 3 is slided along the left and right guide rail, pulls out
Or promote in the breaker chamber 103；Preferably, in this embodiment, lower clapboard 12 is horizontally disposed, and then makes the left and right guide rail
Vertical equity is set, so that the horizontal longitudinal direction of the energy of circuit breaker cart 3 is moved and pulls out or promote the breaker chamber 103.
Three groups of fixed contact pedestal groups 2 are additionally provided with the cabinet 10, three groups of fixed contact pedestal groups 2 move along the circuit breaker cart 3
Direction is arranged successively, and then the circuit breaker cart 3 is longitudinally pulled out or promote the breaker chamber 103 with respect to the fixed contact pedestal group
It is interior.
The upper static contact seat 21 and one that each fixed contact pedestal group 2 is included in the bus-bar room 101 is located at
Lower static contact seat 22 in the rear cable vault 102；In the horizontal direction, three groups of fixed contact pedestal groups 2 move along circuit breaker cart 3
Direction is intervally arranged successively, and in the vertical direction, and the upper static contact seat 21 of each fixed contact pedestal group 2 is located at lower static contact seat
22 vertical tops；It is corresponding, each fixed contact pedestal group 2 is corresponded on the circuit breaker cart 3 and is equipped with a combined floodgate component 30.
With reference to shown in Fig. 3 to Fig. 6, the combined floodgate component 30 include a circuit breaker polar 35, one on disconnecting switch moving contact 31,
The linkage 33 of disconnecting switch moving contact 32 and one once.
Specifically, the circuit breaker polar 35 is provided with the installation slideway 351 of a both ends open, the installation slideway 351 is set vertically
Put, its two-port is set to be open, and the upper static contact seat 21 and lower static contact seat 22 of face fixed contact pedestal group 2 respectively；Should
Upper disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 is slidable is installed in the installation slideway 351, and on this
Disconnecting switch moving contact 31 is located at the upper end of the installation slideway 351, and the lower disconnecting switch moving contact 32 is located at the installation slideway 351
Lower end.
The linkage 33 includes upper the moving contact driver plate 331 and lower moving contact driver plate 332 being mutually pivotally connected, and
Afterwards, free end of moving contact driver plate 331 and lower moving contact driver plate 332 is also articulated on this that disconnecting switch is dynamic to be touched respectively on this
First 31 and lower disconnecting switch moving contact 32 on, to realize that synchronization to the two drives.It is further preferred that to realize that driving is stable
Property, a directive slide track 352 for being approximately perpendicular to the installation slideway 351 is additionally provided with the side of the circuit breaker polar 35, is moved on this
Drive-connecting shaft between contact driver plate 331 and lower moving contact driver plate 332 is inserted in the directive slide track 352, to be led along this
Slided to slide rail 352, realize moving contact driver plate 331 and the single-degree-of-freedom of lower moving contact driver plate 332 on this and limit, driving
During the linkage 33, disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 have a motion state determined on this.
Preferably, a drive mechanism 34 is additionally provided with the circuit breaker cart 3, the drive mechanism 34 includes an isolation axle 341
An and driving crank 342.The intermediate region of driving crank 342 is pivotally mounted in the side wall of the circuit breaker polar 35, and
The both ends of the driving crank 342 are connected on the linkage 33 and the isolation axle 341 respectively afterwards：Specifically, the transmission
The both ends of crank 342 are respectively provided with a slip slot, and the upper moving contact driver plate 331 of the linkage 33 is provided with a latch, should
Latch is inserted in the slip slot of the one end of driving crank 342；An oscillating rod is connected with the isolation axle 341, the oscillating rod
It is inserted in by a latch in another slip slot of the driving crank 342, and then by rotating the isolation axle 341, realization pair
The driving of linkage 33.
It should be understood that each combined floodgate component 30 is respectively provided with the linkage 33 of two mirror images setting, the drive mechanism 34
Be connected in this three combination gate assembly 30 linkage 33 on, to drive disconnecting switch moving contact and lower isolation on this three groups
Switch movable contact moves up and down respectively, until synchronous with all the upper static contact seats 21 and lower static contact seat 22 of fixed contact pedestal group 2
Combined floodgate or separating brake.
Upper through hole is provided with to the moving conduit that should go up disconnecting switch moving contact 31 on the upper spacer 11；Likewise, under this
To the moving conduit of disconnecting switch moving contact 32 should be descended to be provided with lower through-hole on dividing plate 12.
With reference to Fig. 1, Fig. 3 and Fig. 4, upper disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 are located at the connecting rod
In mechanism 33, and all linkages 33 are promoted to move to deploy by the way that drive mechanism 34 is synchronous, so that upper disconnecting switch is moved
Contact 31 and lower disconnecting switch moving contact 32 inversely slide along the installation slideway 351, and make its free end be each passed through on this every
Plate 11 and lower clapboard 12, and insert the corresponding upper static contact seat 21 and the lower static contact seat 22.
In conjunction with the isolation axle 341 shown in Fig. 2, Fig. 5 and Fig. 6, is rotated clockwise, drawn to the right by driving crank 342
The linkage 33 is moved, isolation moving contact 31 is down retracted into centre, enough electric clearances is kept with upper contact head seat 21,
And the lower isolation upward retraction of moving contact 32 keeps enough electric clearances with lower contact base 33, realizes separating brake to centre.
In conjunction with Fig. 7 to Figure 10, corresponded on the upper spacer 11 and lower clapboard 12 each upper static contact seat 21 and under it is quiet
Contact base 22 is respectively equipped with upper contact head box 210 and lower contact box 220.The upper contact head box 210 and lower contact box 220 are one end open
Closing, for a cladding one upper static contact seat 21 and lower static contact seat 22, and the upper contact head box 210 and lower touch
The openend of head cartridge 220 is each passed through the lower through-hole of the upper through hole and lower clapboard 12 of the upper spacer 11, to be conducted to the open circuit
In device room 103.
The openend of the upper contact head box 210 and lower contact box 220 is separately installed with mobilizable upper contact head box valve
211 and lower contact box valve 221, the upper contact head box valve 211 and lower contact box valve 221 are respectively by a torsion spring part (in figure
It is not shown) the normally closed openend for being covered in the upper contact head box 210 and lower contact box 220, to realize to the He of upper static contact seat 21
The closing of lower static contact seat 22.
The upper drive mechanism for driving upper contact head box valve 211 is further respectively had on the upper spacer 11 and lower clapboard 12
5 and for driving the lower drive mechanism 6 of lower contact box valve 221.
By taking the upper drive mechanism 5 as an example, the upper drive mechanism 5 includes one and is pushed into direction extension approximately along circuit breaker cart 3
Upper rotating bar 51 and one be approximately perpendicular to circuit breaker cart 3 be pushed into direction upper drive rod 52, on this drive rod 52 with should
Upper rotating bar 51 is connected by a bevel gear mechanism driving.The upper contact head box valve 211 is articulated on the upper contact head box 210, and
It is connected with rotating bar on this 51, to drive upset fastening by rotating bar 51 or open the openend of the upper contact head box 210.
The upper drive mechanism 5 has a upper crank element 53 for being connected to drive rod 52 on this, and the crank element 53 is as on this
The drive division of drive mechanism 5；It is corresponding, to crank element 53 should be gone up provided with an overhead gage 36 (see figure on the circuit breaker cart 3
6), the overhead gage 36 is used as trigger unit.During the circuit breaker cart 3 is pushed into breaker chamber 103, the overhead gage 36 contradicts simultaneously
Crank element 53 on this are promoted, to drive drive rod 52 on this to rotate, and then open the openend of the upper contact head box 210.To reduce
Friction, crank element 53 is provided with a scroll wheel on this, to contact at overhead gage 36 by the scroll wheel.
The lower drive mechanism 6 and the structure of upper drive mechanism 5 are essentially identical.The upper drive mechanism 5 and lower drive mechanism 6 are distinguished
Drive division with one in the breaker chamber 103；Corresponding two drive divisions are respectively equipped with a triggering on the circuit breaker cart 3
Portion, and then realize the circuit breaker cart 3 and be pushed into during the breaker chamber 103, two trigger units are respectively acting on two drives
Dynamic portion, to drive upper contact head box valve 211 and lower contact box valve respectively by the upper drive mechanism 5 and lower drive mechanism 6
221, to open the openend of the upper contact head box 210 and lower contact box 220；After circuit breaker cart 3 removes, the upper contact head box is lived
Door 211 and the lower elastic reset of contact box valve 221.
Further, a contact box observation window 2101 is additionally provided with the side wall of the upper contact head box 210, likewise, this is lower tactile
A contact box observation window (not shown) also is provided with the side wall of head cartridge 220, directly to observe isolation knife opening and closing state.
In conjunction with Fig. 2 and Figure 11, in this embodiment, the cabinet 10 is rectangular-shape structure, and operating personnel are located at should
10 narrow side of cabinet operates the breaker cabinet, to adapt to the custom that assigned personnel operate three-phase electricity left, center, right wiring, the rear cable
Threephase cable terminal 7 is additionally provided with room 102：The threephase cable terminal 7 has three groups of cables, and each group of cable has one to connect
Connect end and a cable connector first 71, the first 71 composition threephase cable connection-peg of three groups of cable connectors, and left, center, right transverse direction cloth
Put, through cable vault's dividing plate 13 to protrude out in preceding cable vault 104.
The threephase cable terminal also has the copper insert 72 that three groups of bendings are L shapes, and each one end of copper insert 72 is connected to
On one group of cable, then the other end has an installation region 720 for installing a lower static contact 22, and then realizes
Afterwards, in, three lower static contacts 22 of preceding longitudinal arrangement be connected to the threephase cable terminal 7, and the threephase cable of threephase cable terminal 7
The left, center, right of connection-peg 71 are changed, and then realize that three-phase major loop arrangement is changed.
Meanwhile as seen from Figure 11, the right-hand member of cable terminal 7, the i.e. side away from three copper inserts 72, provided with breach, with
For installing earthing, its structure is more compact.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (10)
1. longitudinal withdraw-type breaker middle-placed switch cabinet, including a cabinet, the cabinet pass through metal upper spacer setting up and down and metal
Lower clapboard is separated into bus-bar room, breaker chamber, cable vault from top to bottom；Circuit breaker cart, the open circuit are provided with the breaker chamber
Device handcart can be pulled out or promoted in the breaker chamber；It is characterized in that：
Also include fixed contact pedestal group, the fixed contact pedestal group is located at including the upper static contact seat in the bus-bar room and one should
Lower static contact seat in cable vault；
On the circuit breaker cart to should fixed contact pedestal group be provided with a combined floodgate component, the combined floodgate component includes that upper disconnecting switch is dynamic to be touched
Head, lower disconnecting switch moving contact, linkage and circuit breaker polar；
Disconnecting switch moving contact and lower disconnecting switch moving contact are on the circuit breaker polar, and pass through the linkage on this
Synchronous driving reverse movement, to be each passed through the upper spacer and lower clapboard, and inserts the upper static contact seat and the lower static contact seat；
The moving conduit that disconnecting switch moving contact should be gone up on the upper spacer is provided with upper through hole；It is likewise, corresponding on the lower clapboard
The lower disconnecting switch moving contact moving conduit is provided with lower through-hole.
2. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 1, it is characterised in that：It is provided with the breaker chamber
Left and right guide rail, on the circuit breaker cart to should the position of left and right guide rail be provided with roller, to pass through roller activity installation
In on the left and right guide rail, and it can be slided along the left and right guide rail, to pull out or promote the breaker chamber；The roller is located at the open circuit
The bottom of device handcart, the left and right guide rail is on the lower clapboard, and the left and right guide rail is horizontally disposed with, so that the circuit breaker cart
Level pulls out or promoted the breaker chamber.
3. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 1, it is characterised in that：The fixed contact pedestal group has three
Group, corresponding, the circuit breaker cart is provided with three combination gate assemblies；Three groups of fixed contact pedestal groups are along the circuit breaker cart side of movement
To arranging successively, and then the circuit breaker cart is set longitudinally to pull out or promote in the breaker chamber with respect to the fixed contact pedestal group；
A drive mechanism is additionally provided with the circuit breaker cart, the drive mechanism is connected in the connecting rod machine of the three combinations gate assembly
On structure, to drive the upper disconnecting switch moving contact of the three combinations gate assembly and lower disconnecting switch moving contact reversely to link up and down, directly
To all the upper static contact seats and lower static contact seat synchroswitching or separating brake with fixed contact pedestal group.
4. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 3, it is characterised in that：The drive mechanism include one every
Off axis, each linkage is corresponded on the circuit breaker polar and is pivoted with a driving crank, the both ends of the driving crank pass respectively
It is dynamic to be connected on the linkage and the isolation axle, by rotating the isolation axle, to realize the driving of linkage.
5. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 3, it is characterised in that:The cable vault is vertical by one
The metallic cable room dividing plate of placement is separated into rear cable vault and preceding cable vault；Threephase cable terminal is provided with the rear cable vault,
Three lower static contact seats in the rear cable vault, and afterwards, in, preceding longitudinal arrangement be connected to the threephase cable terminal；This three
Phase cable terminal has in the preceding cable vault and left, center, right lateral arrangement threephase cable connection-peg, and then realizes three-phase master
Loop arrangement conversion.
6. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 3, it is characterised in that：The circuit breaker polar is provided with one
The installation slideway of both ends open, the installation slideway two-port difference the fixed contact pedestal group of face one upper static contact seat and under it is quiet
Contact base；
Disconnecting switch moving contact and lower disconnecting switch moving contact can slide in the installation slideway on this, and disconnecting switch on this
Moving contact and lower disconnecting switch moving contact are respectively arranged on the both ends of the installation slideway；
The linkage includes upper the moving contact driver plate and lower moving contact driver plate being mutually pivotally connected, moving contact driver plate on this
Also it is articulated in respectively on this on disconnecting switch moving contact and lower disconnecting switch moving contact with the free end of lower moving contact driver plate；
The drive mechanism is connected with moving contact driver plate on this and/or lower moving contact driver plate, to pass through the linkage
Reversely linkage is moved along the installation slideway for disconnecting switch moving contact and lower disconnecting switch in drive.
7. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 6, it is characterised in that：Also set on the circuit breaker polar
There are a directive slide track for being approximately perpendicular to the installation slideway, the pivot on this between moving contact driver plate and lower moving contact driver plate
Spindle is slidable to be installed in the directive slide track, and then makes on this moving contact driver plate and the lower moving contact driver plate into " V "
Font structure.
8. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 1-7 any claims, it is characterised in that：On this
The upper contact head box of one upper static contact seat of cladding and a lower static contact seat is respectively provided with dividing plate and lower clapboard
With lower contact box；And the openend of the upper contact head box and lower contact box is each passed through through hole and lower through-hole on this, to be conducted to
In the breaker chamber；
Mobilizable upper contact head box valve and lower contact box valve are installed in the openend of the upper contact head box and lower contact box respectively,
The upper contact head box valve and lower contact box the valve normally closed openend for being covered in the upper contact head box and lower contact box respectively；
Upper drive mechanism for driving upper contact head box valve is further respectively had on the upper spacer and lower clapboard and for driving
The lower drive mechanism of dynamic lower contact box valve, the upper drive mechanism and lower drive mechanism have one in the breaker chamber respectively
Drive division；
Corresponding two drive divisions are respectively equipped with a trigger unit on the circuit breaker cart；The circuit breaker cart is pushed into the breaker chamber mistake
Cheng Zhong, two trigger units are respectively acting on two drive divisions, to be driven respectively by the upper drive mechanism and lower drive mechanism
Contact box valve and lower contact box valve, to open the openend of the upper contact head box and lower contact box.
9. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 8, it is characterised in that：The upper drive mechanism includes one
Upper rotating bar and one approximately along the direction extension of circuit breaker cart push-in are approximately perpendicular to the upper of circuit breaker cart push-in direction
Drive rod, drive rod is connected with rotating bar on this by a bevel gear mechanism driving on this, and the upper contact head box valve is articulated in this
On upper contact head box, and it is connected with rotating bar on this, drives upset to fasten or open opening for the upper contact head box by the rotating bar
Mouth end；
The drive division of the upper drive mechanism is the upper crank element for being connected to drive rod on this, to that should go up song on the circuit breaker cart
The trigger unit of shank member is an overhead gage；During circuit breaker cart push-in breaker chamber, the overhead gage is contradicted and promoted on this
Crank element, to drive drive rod on this to rotate, and then open the openend of the upper contact head box.
10. longitudinal withdraw-type breaker middle-placed switch cabinet according to claim 8, it is characterised in that：The upper contact head box and it is lower touch
A contact box observation window is respectively equipped with the side wall of head cartridge, directly to observe isolation knife opening and closing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066420.5U CN207166006U (en) | 2017-08-24 | 2017-08-24 | Longitudinal withdraw-type breaker middle-placed switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293982A (en) * | 2017-08-24 | 2017-10-24 | 协成科技股份有限公司 | Longitudinal withdraw-type breaker middle-placed switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293982A (en) * | 2017-08-24 | 2017-10-24 | 协成科技股份有限公司 | Longitudinal withdraw-type breaker middle-placed switch cabinet |
| CN107293982B (en) * | 2017-08-24 | 2023-09-26 | 协成科技股份有限公司 | Centrally installed switchgear of longitudinally movable circuit breaker |
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