CN108346532A - Switchgear flexible interlock system - Google Patents
Switchgear flexible interlock system Download PDFInfo
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- CN108346532A CN108346532A CN201810403574.1A CN201810403574A CN108346532A CN 108346532 A CN108346532 A CN 108346532A CN 201810403574 A CN201810403574 A CN 201810403574A CN 108346532 A CN108346532 A CN 108346532A
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- China
- Prior art keywords
- drag
- line
- breaker
- collision block
- fixed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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Abstract
The present invention relates to a kind of switchgear interlock systems, specifically switchgear flexible interlock system, belong to switch cabinet structure technical field.It includes the first drag-line, the second drag-line, third drag-line, the 4th drag-line, the 5th drag-line, breaker interlocking mechanism, hoisting mechanism, cabinet door interlocking mechanism, earthing switch divide-shut brake interlocking mechanism, collision block mechanism and earthing switch operating mechanism, the drag-line set of the first drag-line, the second drag-line, third drag-line and the 4th drag-line driven end is fixed in fixing bracket upper end, the first drag-line, the second drag-line, third drag-line and the 4th drag-line driven end drag-line line be commonly connected to lifting plate upper end.The present invention is distributed in breaker interlocking mechanism, hoisting mechanism, cabinet door interlocking mechanism, earthing switch close/open machine, collision block mechanism and earthing switch operating mechanism in switchgear using flexible cable connection, and maloperation function is prevented with realize switchgear.
Description
Technical field
The present invention relates to a kind of switchgear interlock systems, specifically switchgear flexible interlock system, belong to switchgear
Technical field of structures.
Background technology
The interlock system of traditional switch cabinet mostly uses rigid parts, the switchgear connection based on rigid parts
Lock system, complicated, high failure rate, or even field distribution and safe distance can be influenced.It is invented based on this reason a kind of
Flexible interlock system, with overcome the deficiencies of the prior art and provide it is a kind of using flexible cable it is small, convenient for bending turning, hold
The features such as malleable direction, realizes the interlock system that multiparty control is needed in the three dimensions of switchgear.
Invention content
It is an object of the present invention to overcome the above deficiencies, to provide a kind of switchgear flexible interlock system, utilizes
Flexible cable couples the breaker interlocking mechanism being distributed in switchgear, hoisting mechanism, cabinet door interlocking mechanism, earthing switch division
Lock, collision block and earthing switch operation, maloperation function is prevented with realize switchgear.
According to technical solution provided by the invention, switchgear flexible interlock system includes the first drag-line, the second drag-line, third
Drag-line, the 4th drag-line, the 5th drag-line, breaker interlocking mechanism, hoisting mechanism, cabinet door interlocking mechanism, earthing switch divide-shut brake connection
Latch mechanism, collision block mechanism and earthing switch operating mechanism, it is characterized in that：Hoisting mechanism include lifting plate, fixing bracket, partition board,
Worm shaft and stop screw connect lifting plate by multiple stop screws on fixing bracket, are set at lifting plate connection stop screw
There are the lifting hole of strip, lifting plate to realize the up and down motion for being relatively fixed holder by lifting hole；Lifting plate, which is equipped with, to be promoted
Handle hole promotes handle hole side and is equipped with worm shaft, do not pulling the first drag-line, the second drag-line, third drag-line and the 4th drag-line
In the case of, it promotes handle hole and exposes worm shaft；Appoint pulling the first drag-line, the second drag-line, third drag-line and the 4th drag-line
Meaning one when, promoted handle hole move up, lifting plate blocks worm shaft；The first drag-line, the second drag-line, are fixed in fixing bracket upper end
The drag-line set of three drag-lines and the 4th drag-line driven end, the driven end drawing of the first drag-line, the second drag-line, third drag-line and the 4th drag-line
Bands is commonly connected to lifting plate upper end；
The driving end connection breaker interlocking mechanism of first drag-line, when breaker becomes "on" position from gate-dividing state, by disconnected
Road device interlocking mechanism pulls the first drag-line to send out mechanical order signal；The driving end connection earthing switch divide-shut brake connection of second drag-line
Latch mechanism when earthing switch becomes "on" position from gate-dividing state, pulls second to draw by earthing switch divide-shut brake interlocking mechanism
Rope sends out mechanical order signal；The breaker chamber front door of the driving end connecting cabinet door interlocking mechanism of third drag-line, the 4th drag-line
The cable vault front door of end connecting cabinet door interlocking mechanism is driven to join by cabinet door when breaker chamber front door and cable vault front door are opened
Latch mechanism pulls third drag-line and the 4th drag-line to send out mechanical order signal；The worm shaft of hoisting mechanism passes through turbine and worm mechanism
Collision block mechanism is connected, worm shaft realizes that the conversion of circuit-breaker testing position and operating position, collision block mechanism carry for breaker
For position signal；5th drag-line drives end connection collision block mechanism, the 5th drag-line driven end to connect earthing switch operating mechanism,
Collision block mechanism by the 5th cable control earthing switch operating mechanism ground connection handle hole opening and closing, to be grounded
Switch breaking-closing operating.
Further, breaker interlocking mechanism includes breaker slide plate, breaker fixed plate, breaker linkage board, first
Drag-line fastening assembly, breaker caging bolt, breaker main shaft, crank of circuit breaker and connecting lever axis pin lead in breaker fixed plate
Breaker caging bolt connection breaker slide plate is crossed, connection breaker limits the sliding that Luo Chu is equipped with strip on breaker slide plate
Hole, breaker slide plate can be slided up and down with respect to breaker fixed plate, and the first drag-line driving end is fixed in breaker fixed plate
The drag-line line of drag-line set, the first drag-line driving end is fixed on by the first drag-line fastening assembly on breaker slide plate, breaker master
Crank of circuit breaker is clamped on axis, crank of circuit breaker front end is rotatablely connected connecting lever axis pin, and breaker linkage is fixed on breaker slide plate
Plate, breaker linkage board are located on the rotation path of connecting lever axis pin.
Further, earthing switch divide-shut brake interlocking mechanism includes earthing switch operating shaft, operating shaft connecting lever, hits spiral shell
Bolt, swing arm, the second drag-line fastening assembly, stop screw and supporting rack are connected by operating shaft connecting lever in earthing switch operating shaft
Bolt is hit, is fixed on supporting rack by axis pin rotation connection swing arm, the drag-line set at the second drag-line driving end on supporting rack, the
The drag-line line at two drag-lines driving end is fixed on by the second drag-line fastening assembly in swing arm, and swing arm, which is located at, hits bolt rotation path
On.
Further, collision block mechanism includes that collision block fixed frame, collision block sliding panel, collision block, auxiliary switch and the 5th drag-line are tight
Gu component connects collision block sliding panel on collision block fixed frame by the 5th drag-line fastening assembly, simultaneously by the on collision block sliding panel
Five drag-line fastening assemblies connect the drag-line line at the 5th drag-line driving end, and the drag-line set at the 5th drag-line driving end is fixed on collision block and fixes
The sliding eye that strip is equipped at the 5th drag-line fastening assembly is connected on frame, on collision block fixed frame, the setting of sliding eye to hit
Block sliding panel can be slided up and down along collision block fixed frame, fixing collision block on collision block sliding panel, be close to that whirlpool is arranged right over collision block
Two auxiliary switches are fixed on collision block fixed frame by worm and gear mechanism, and two auxiliary switches are located at collision block upper and lower side.
Further, earthing switch operating mechanism includes operation fixed plate, operation sliding panel, operation caging bolt, operation
Spring and earthing switch axis handle hole operate in fixed plate by operating caging bolt attended operation sliding panel, operate sliding panel
The sliding eye of strip is equipped at upper attended operation caging bolt, operation sliding panel can be slided up and down along operation fixed plate,
It operating and is equipped with operation spring between sliding panel lower end and operation fixed plate, operation sliding panel is equipped with earthing switch axis handle hole,
The drag-line set of 5th drag-line driven end is fixed in fixed plate, and the zipper line of the 5th drag-line driven end is fixed on operation sliding panel
On.
Further, cabinet door interlocking mechanism includes breaker chamber front door, cable vault front door, upper latch hook, upper swivel plate, upper rolling
Wheel, third drag-line fastening assembly, upper piston axis, upper spring, Upper shaft sleeve, lower latch hook, lower swivel plate, bottom roller, the 4th drag-line are tight
Gu component, lower piston axis, Lower shaft sleeve and cabinet door fixed frame, cabinet door fixed frame upper and lower side is rotatablely connected by axis pin respectively to be rotated
Plate and lower swivel plate, upper swivel plate one end connect the drag-line line that third drag-line drives end, third by third drag-line fastening assembly
The drag-line set at drag-line driving end is fixed on cabinet door fixed frame, and the upper swivel plate other end is rotatablely connected upper roller, cabinet by axis pin
Upper shaft sleeve is fixed on door fixed frame, be slidably connected upper piston axis in Upper shaft sleeve, is covered on upper piston axis and loads onto spring, above and below upper spring
End contacts upper piston axis respectively and upper roller is close in Upper shaft sleeve, upper piston axis upper surface, and lower swivel plate one end passes through the 4th drag-line
Fastening assembly connects the zipper line at the 4th drag-line driving end, and the drag-line set at the 4th drag-line driving end is fixed on cabinet door fixed frame,
The lower swivel plate other end is rotatablely connected bottom roller by axis pin, fixes Lower shaft sleeve on cabinet door fixed frame, is slidably connected in Lower shaft sleeve
Lower piston axis, set loads spring on lower piston axis, and bottom roller is close in lower piston axis lower face, and breaker chamber passes through bolt on front door
Latch hook in connection, upper latch hook are located on upper swivel plate rotation path, and lower latch hook, lower latch hook are bolted on cable vault front door
On lower swivel plate rotation path.
Compared with the prior art the present invention has the following advantages：
The invention has the advantages of simple structure, compactness and reasonable structure, and flexible cable is small, turns convenient for bending, is easy to change direction, is easy cloth
It sets；Couple the breaker interlocking mechanism being distributed in switchgear, hoisting mechanism, cabinet door interlocking mechanism, ground connection using flexible cable
Close/open machine, collision block mechanism and earthing switch operating mechanism are switched, maloperation function is prevented with realize switchgear.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is breaker interlocking mechanism structural schematic diagram.
Fig. 3 is hoisting mechanism structural schematic diagram.
Fig. 4 is cabinet door interlocking mechanism structural schematic diagram.
Fig. 5 is earthing switch close/open machine structural schematic diagram.
Fig. 6 is collision block mechanism structure schematic diagram.
Fig. 7 is earthing switch operating mechanism structural schematic diagram.
Reference sign：The first drag-lines of 1-, the second drag-lines of 2-, 3- thirds drag-line, the 4th drag-lines of 4-, the 5th drag-lines of 5-,
6- breakers interlocking mechanism, 6.1- breakers slide plate, 6.2- breakers fixed plate, 6.3- breakers linkage board, 6.4- first are drawn
Rope fastening assembly, 6.5- breakers caging bolt, 6.6- breaker main shafts, 6.7- crank of circuit breaker, 6.8- connecting levers axis pin, 7- are carried
It rises mechanism, 7.1- lifting plates, 7.2- fixing brackets, 7.3- partition boards, 7.4- worm shafts, 7.5- and promotes flat spring, 7.6- limit spiral shells
Nail, 7.7- lifting holes, 7.8- promoted handle hole, 8- cabinet doors interlocking mechanism, 8.1- breaker chambers front door, the cable vaults 8.2- front door,
The upper latch hooks of 8.3-, the upper swivel plates of 8.4-, 8.5- upper rollers, 8.6- third drag-lines fastening assembly, 8.7- upper pistons axis, the upper bullets of 8.8-
Swivel plate under latch hook, 8.11- under spring, 8.9- Upper shaft sleeves, 8.10-, 8.12- bottom rollers, the 4th drag-line fastening assemblies of 8.13-,
8.14- lower pistons axis, 8.15- Lower shaft sleeves, 8.16- cabinet doors fixed frame, 9- earthing switch divide-shut brakes interlocking mechanism, 9.1- ground connection are opened
It closes operating shaft, 9.2- operating shafts connecting lever, 9.3- and hits bolt, 9.4- swing arms, the second drag-lines of 9.5- fastening assembly, 9.6- limit spiral shells
Nail, 9.7- supporting racks, 10- collision blocks mechanism, 10.1- collision blocks fixed frame, 10.2- collision blocks sliding panel, 10.3- collision blocks, 10.4- auxiliary
Switch, the 5th drag-line fastening assemblies of 10.5-, 11- earthing switch operating mechanisms, 11.1- operation fixed plate, 11.2- operation slidings
Plate, 11.3- operations caging bolt, 11.4- operations spring, 11.5- earthing switch axis handle holes.
Specific implementation mode
The present invention will be further described in conjunction with the embodiment in attached drawing below：
As shown in Fig. 1 ~ 7, the invention mainly comprises the first drag-line 1, the second drag-line 2, third drag-line 3, the 4th drag-lines the 4, the 5th to draw
Rope 5, breaker interlocking mechanism 6, hoisting mechanism 7, cabinet door interlocking mechanism 8, earthing switch divide-shut brake interlocking mechanism 9, collision block mechanism
10 and earthing switch operating mechanism 11.
As shown in Fig. 2, hoisting mechanism 7 includes lifting plate 7.1, fixing bracket 7.2, partition board 7.3, worm shaft 7.4 and limit
Screw 7.6 passes through multiple stop screws 7.6 on fixing bracket 7.2 and connects lifting plate 7.1, and lifting plate 7.1 connects stop screw
The lifting hole 7.7 of strip is equipped at 7.6, lifting plate 7.1 realizes the fortune up and down for being relatively fixed holder 7.2 by lifting hole 7.1
It is dynamic.
Lifting plate 7.1, which is equipped with, promotes handle hole 7.8, promotes 7.8 side of handle hole and is equipped with worm shaft 7.4, is not pulling
In the case of first drag-line 1, the second drag-line 2, third drag-line 3 and the 4th drag-line 4, promotes handle hole 7.8 and expose worm shaft
7.4；Pull the first drag-line 1, the second drag-line 2, third drag-line 3 and the 4th drag-line 4 any one when, promoted on handle hole 7.8
It moves, lifting plate 7.1 blocks worm shaft 7.4.
The drawing of the first drag-line 1, the second drag-line 2,4 driven end of third drag-line 3 and the 4th drag-line is fixed in 7.2 upper end of fixing bracket
Noose, the first drag-line 1, the second drag-line 2, third drag-line 3 and the 4th drag-line 4 driven end drag-line line be commonly connected to lifting plate
7.1 upper end.
The driving end connection breaker interlocking mechanism 6 of first drag-line 1, when breaker becomes "on" position from gate-dividing state,
The first drag-line 1 is pulled to send out mechanical order signal by breaker interlocking mechanism 6.
As shown in Fig. 2, the breaker interlocking mechanism 6 includes breaker slide plate 6.1, breaker fixed plate 6.2, breaker
Linkage board 6.3, the first drag-line fastening assembly 6.4, breaker caging bolt 6.5, breaker main shaft 6.6,6.7 and of crank of circuit breaker
Connecting lever axis pin 6.8 passes through breaker caging bolt 6.5 in breaker fixed plate 6.2 and connects breaker slide plate 6.1, and breaker is slided
The sliding eye for being equipped with strip at breaker caging bolt 6.5 is connected on plate 6.1, passes through the setting of sliding eye, breaker slide plate
6.1 can slide up and down with respect to breaker fixed plate 6.2.The drag-line at the first drag-line 1 driving end is fixed in breaker fixed plate 6.2
The drag-line line of set, the first drag-line 1 driving end is fixed on by the first drag-line fastening assembly 6.4 on breaker slide plate 6.1.Breaker
Crank of circuit breaker 6.7 is clamped on main shaft 6.6,6.7 front end of crank of circuit breaker is rotatablely connected connecting lever axis pin 6.8.Breaker slide plate 6.1
Upper fixed breaker linkage board 6.3, breaker linkage board 6.3 are located on the rotation path of connecting lever axis pin 6.8.Work as breaker main shaft
When separating brake, crank of circuit breaker is driven to turn to lower end position, the connecting lever pivot pin on crank of circuit breaker pushes breaker slide plate to glide,
It drives the first drag-line to move down, mechanical order signal is sent out to hoisting mechanism.
The driving end connection earthing switch divide-shut brake interlocking mechanism 9 of second drag-line 2, earthing switch becomes closing from gate-dividing state
When lock state, the second drag-line 2 is pulled to send out mechanical order signal by earthing switch divide-shut brake interlocking mechanism 9.
As shown in figure 5, earthing switch divide-shut brake interlocking mechanism 9 includes earthing switch operating shaft 9.1, operating shaft connecting lever
9.2, bolt 9.3, swing arm 9.4, the second drag-line fastening assembly 9.5, stop screw 9.6 and supporting rack 9.7, earthing switch behaviour are hit
Make to connect by operating shaft connecting lever 9.2 on axis 9.1 and hits bolt 9.3.Swing arm 9.4 is rotatablely connected by axis pin on supporting rack 9.7.
The drag-line set at the second drag-line 2 driving end is fixed on supporting rack 9.7, and the drag-line line at the second drag-line 2 driving end passes through the second drag-line
Fastening assembly 9.5 is fixed in swing arm 9.4, and swing arm 9.4, which is located at, hits on 9.3 rotation path of bolt.Earthing switch does combined floodgate fortune
When dynamic, earthing switch operating shaft rotates clockwise, and connecting lever mounted thereto hits bolt together with and rotates to swing arm is hit, and connects
Ground switch, which closes a floodgate, to be finished.Meanwhile hitting bolt and swing arm is pushed into back-end location, at this point, swing arm pulls back the second drag-line, to carrying
It rises mechanism and sends out mechanical order signal.
The breaker chamber front door 8.1 of the driving end connecting cabinet door interlocking mechanism 8 of third drag-line 3, the driving end of the 4th drag-line 4
When the cable vault front door 8.2 of connecting cabinet door interlocking mechanism 8, breaker chamber front door and cable vault front door are opened, interlocked by cabinet door
Mechanism 8 pulls third drag-line 3 and the 4th drag-line 4 to send out mechanical order signal.
As shown in figure 4, the cabinet door interlocking mechanism 8 includes breaker chamber front door 8.1, cable vault front door 8.2, upper latch hook
8.3, upper swivel plate 8.4, upper roller 8.5, third drag-line fastening assembly 8.6, upper piston axis 8.7, upper spring 8.8, Upper shaft sleeve
8.9, lower latch hook 8.10, lower swivel plate 8.11, bottom roller 8.12, the 4th drag-line fastening assembly 8.13, lower piston axis 8.14, lower axle
Set 8.15 and cabinet door fixed frame 8.16.
8.16 upper and lower side of cabinet door fixed frame is rotatablely connected upper swivel plate 8.4 and lower swivel plate 8.11 by axis pin respectively, on
8.4 one end of swivel plate connects the drag-line line that third drag-line 3 drives end by third drag-line fastening assembly 8.6, and third drag-line 3 drives
The drag-line set at end is fixed on cabinet door fixed frame 8.16, and 8.4 other end of upper swivel plate is rotatablely connected upper roller 8.5 by axis pin.
Upper shaft sleeve 8.9 is fixed on cabinet door fixed frame 8.16, be slidably connected upper piston axis 8.7 in Upper shaft sleeve 8.9, is covered on upper piston axis 8.7
Spring 8.8 is loaded onto, 8.8 upper and lower side of upper spring contacts upper piston axis 8.7 and Upper shaft sleeve 8.9 respectively.8.7 upper surface of upper piston axis is tight
Stick idler wheel 8.5.
Lower 8.11 one end of swivel plate connects the zipper line that the 4th drag-line 4 drives end by the 4th drag-line fastening assembly 8.13,
The drag-line set at the 4th drag-line 4 driving end is fixed on cabinet door fixed frame 8.16, and lower 8.11 other end of swivel plate is rotated by axis pin
Connect bottom roller 8.12.Lower shaft sleeve 8.15 is fixed on cabinet door fixed frame 8.16, be slidably connected lower piston axis in Lower shaft sleeve 8.15
8.14, set loads spring on lower piston axis 8.14.It is close to bottom roller 8.12 in 8.14 lower face of lower piston axis.Breaker chamber front door
Latch hook 8.3 is bolted on 8.1, upper latch hook 8.3 is located on 8.4 rotation path of upper swivel plate.On cable vault front door 8.2
Lower latch hook 8.10 is bolted, lower latch hook 8.10 is located on 8.11 rotation path of lower swivel plate.
When opening movement is done at breaker chamber front door, the upper lock hook being installed on it pulls upper swivel plate to rotate clockwise, and pacifies
Upper roller on upper swivel plate oppresses upper piston axis, and upper spring-compressed is moved downward, when upper roller oppresses upper piston
After axis crosses minimum point, upper piston axis is boosted rapidly the upper lock hook on breaker chamber front door by upper piston axis under the action of upper spring
It is released, breaker chamber front door is opened；Meanwhile the third drag-line on upper swivel plate is pulled up, and is sent out to hoisting mechanism
Mechanical order signal.The unlatching at cable vault front door, closing principle, to be same as above breaker chambers front door the same.
The worm shaft 7.4 of hoisting mechanism 7 connects collision block mechanism 10 by turbine and worm mechanism, and the rotation of worm shaft 7.4 is realized
The conversion of circuit-breaker testing position and operating position, collision block mechanism 10 provide position signal for breaker.Meanwhile breaker
It is connected with earthing switch operating mechanism by the 5th drag-line when in testing position and opens earthing switch handle hole, allows to connect
Ground switch carries out splitting or integrating lock operation, and earthing switch is otherwise operated bore closure.
As shown in fig. 6, the collision block mechanism 10 include collision block fixed frame 10.1, it is collision block sliding panel 10.2, collision block 10.3, auxiliary
Switch 10.4 and the 5th drag-line fastening assembly 10.5 are helped, is connected by the 5th drag-line fastening assembly 10.5 on collision block fixed frame 10.1
Collision block sliding panel 10.2 passes through the 5th drag-line fastening assembly 10.5 on collision block sliding panel 10.2 and connects the driving of the 5th drag-line 5 simultaneously
The drag-line set of the drag-line line at end, the 5th drag-line 5 driving end is fixed on collision block fixed frame 10.1.It is connected on collision block fixed frame 10.1
It is equipped with the sliding eye of strip at 5th drag-line fastening assembly 10.5, the setting of sliding eye enables 10.2 edge of collision block sliding panel
Collision block fixed frame 10.1 to slide up and down.Fixing collision block 10.3 on collision block sliding panel 10.2,10.3 surface of collision block are close to be arranged
Turbine and worm mechanism.Two auxiliary switches 10.4 are fixed on collision block fixed frame 10.1, two auxiliary switches 10.4 are located at and hit
10.3 upper and lower side of block.
5th drag-line 5 drives end connection collision block mechanism 10, and 5 driven end of the 5th drag-line connects earthing switch operating mechanism 11,
Collision block mechanism 10 controls the opening and closing of the ground connection handle hole of earthing switch operating mechanism 11 by the 5th drag-line 5, thus into
Row earthing switch breaking-closing operating.
As shown in fig. 7, the earthing switch operating mechanism 11 includes operation fixed plate 11.1, operation sliding panel 11.2, behaviour
Make caging bolt 11.3, operation spring 11.4 and earthing switch axis handle hole 11.5, operates and limited in fixed plate 11.1 by operating
Position 11.3 attended operation sliding panel 11.2 of bolt, operates and is equipped with strip on sliding panel 11.2 at attended operation caging bolt 11.3
Sliding eye, operation sliding panel 11.2 can along operation fixed plate 11.1 slide up and down.Operate 11.2 lower end of sliding panel and behaviour
Make to be equipped with operation spring 11.4 between fixed plate 11.1.It operates sliding panel 11.2 and is equipped with earthing switch axis handle hole 11.5, connect
Switch shaft handle hole 11.5 side in ground is equipped with earthing switch axis, when the 5th drag-line 5 pulls, operates 11.2 uplink of sliding panel, connects
Ground switch shaft is blocked by operation sliding panel 11.2.The drag-line set of 5th drag-line, 5 driven end is fixed in fixed plate 11.1, and the 5th draws
The zipper line of 5 driven end of rope is fixed on operation sliding panel 11.2.When breaker leaves testing position, the 5th drag-line discharges, Gu
The spring being scheduled on operation slide plate is pulled down and is blocked earthing switch handle hole.
The invention has the advantages of simple structure, compactness and reasonable structure, and flexible cable is small, turns convenient for bending, is easy to change direction, holds
Easily arrangement；Using flexible cable connection be distributed in breaker interlocking mechanism in switchgear, hoisting mechanism, cabinet door interlocking mechanism,
Earthing switch close/open machine, collision block mechanism and earthing switch operating mechanism prevent maloperation function with realize switchgear.
Claims (6)
1. a kind of switchgear flexible interlock system, including the first drag-line（1）, the second drag-line（2）, third drag-line（3）, the 4th drag-line
（4）, the 5th drag-line（5）, breaker interlocking mechanism（6）, hoisting mechanism（7）, cabinet door interlocking mechanism（8）, earthing switch divide-shut brake
Interlocking mechanism（9）, collision block mechanism（10）And earthing switch operating mechanism（11）, it is characterized in that：Hoisting mechanism（7）Including lifting plate
（7.1）, fixing bracket（7.2）, partition board（7.3）, worm shaft（7.4）And stop screw（7.6）, fixing bracket（7.2）On pass through
Multiple stop screws（7.6）Connect lifting plate（7.1）, lifting plate（7.1）Connect stop screw（7.6）Place's carrying equipped with strip
Rise hole（7.7）, lifting plate（7.1）Pass through lifting hole（7.1）Realization is relatively fixed holder（7.2）Up and down motion；Lifting plate
（7.1）It is equipped with and promotes handle hole（7.8）, promote handle hole（7.8）Side is equipped with worm shaft（7.4）, do not pulling the first drawing
Rope（1）, the second drag-line（2）, third drag-line（3）With the 4th drag-line（4）In the case of, promote handle hole（7.8）Expose worm screw
Axis（7.4）；Pulling the first drag-line（1）, the second drag-line（2）, third drag-line（3）With the 4th drag-line（4）Any one when, promoted
Handle hole（7.8）It moves up, lifting plate（7.1）Block worm shaft（7.4）；Fixing bracket（7.2）The first drag-line is fixed in upper end（1）、
Second drag-line（2）, third drag-line（3）With the 4th drag-line（4）The drag-line set of driven end, the first drag-line（1）, the second drag-line（2）,
Three drag-lines（3）With the 4th drag-line（4）Driven end drag-line line be commonly connected to lifting plate（7.1）Upper end；
First drag-line（1）Driving end connection breaker interlocking mechanism（6）, when breaker becomes "on" position from gate-dividing state,
Pass through breaker interlocking mechanism（6）Pull the first drag-line（1）Send out mechanical order signal；Second drag-line（2）Driving end connection
Earthing switch divide-shut brake interlocking mechanism（9）, when earthing switch becomes "on" position from gate-dividing state, pass through earthing switch divide-shut brake
Interlocking mechanism（9）Pull the second drag-line（2）Send out mechanical order signal；Third drag-line（3）Driving end connecting cabinet door interlocking machine
Structure（8）Breaker chamber front door（8.1）, the 4th drag-line（4）Driving end connecting cabinet door interlocking mechanism（8）Cable vault front door
（8.2）, breaker chamber front door（8.1）With cable vault front door（8.2）When unlatching, pass through cabinet door interlocking mechanism（8）Third is pulled to draw
Rope（3）With the 4th drag-line（4）Send out mechanical order signal；Hoisting mechanism（7）Worm shaft（7.4）By turbine and worm, mechanism connects
Meet collision block mechanism（10）, worm shaft（7.4）The conversion of circuit-breaker testing position and operating position, collision block mechanism are realized in rotation（10）
Position signal is provided for breaker；5th drag-line（5）Drive end connection collision block mechanism（10）, the 5th drag-line（5）Driven end
Connect earthing switch operating mechanism（11）, collision block mechanism（10）Pass through the 5th drag-line（5）Control earthing switch operating mechanism（11）
Ground connection handle hole opening and closing, to carry out earthing switch breaking-closing operating.
2. switchgear flexible interlock system as described in claim 1, it is characterized in that：The breaker interlocking mechanism（6）Including
Breaker slide plate（6.1）, breaker fixed plate（6.2）, breaker linkage board（6.3）, the first drag-line fastening assembly（6.4）, it is disconnected
Road device caging bolt（6.5）, breaker main shaft（6.6）, crank of circuit breaker（6.7）With connecting lever axis pin（6.8）, breaker fixed plate
（6.2）It is upper to pass through breaker caging bolt（6.5）Connect breaker slide plate（6.1）, breaker slide plate（6.1）Upper connection breaker
Caging bolt（6.5）Sliding eye of the place equipped with strip, breaker slide plate（6.1）It can be with respect to breaker fixed plate（6.2）On
Lower slider, breaker fixed plate（6.2）On fix the first drag-line（1）Drive the drag-line set at end, the first drag-line（1）Drive the drawing at end
Bands passes through the first drag-line fastening assembly（6.4）It is fixed on breaker slide plate（6.1）On, breaker main shaft（6.6）Upper clamping is disconnected
Road device connecting lever（6.7）, crank of circuit breaker（6.7）Front end is rotatablely connected connecting lever axis pin（6.8）, breaker slide plate（6.1）Upper fixation
Breaker linkage board（6.3）, breaker linkage board（6.3）Positioned at connecting lever axis pin（6.8）Rotation path on.
3. switchgear flexible interlock system as described in claim 1, it is characterized in that：Earthing switch divide-shut brake interlocking mechanism
（9）Including earthing switch operating shaft（9.1）, operating shaft connecting lever（9.2）, hit bolt（9.3）, swing arm（9.4）, the second drag-line it is tight
Gu component（9.5）, stop screw（9.6）And supporting rack（9.7）, earthing switch operating shaft（9.1）It is upper to pass through operating shaft connecting lever
（9.2）Bolt is hit in connection（9.3）, supporting rack（9.7）It is upper that swing arm is rotatablely connected by axis pin（9.4）, the second drag-line（2）Driving
The drag-line set at end is fixed on supporting rack（9.7）On, the second drag-line（2）The drag-line line at driving end passes through the second drag-line fastening assembly
（9.5）It is fixed on swing arm（9.4）On, swing arm（9.4）Positioned at shock bolt（9.3）On rotation path.
4. switchgear flexible interlock system as described in claim 1, it is characterized in that：The collision block mechanism（10）It is solid including collision block
Determine frame（10.1）, collision block sliding panel（10.2）, collision block（10.3）, auxiliary switch（10.4）With the 5th drag-line fastening assembly
（10.5）, collision block fixed frame（10.1）It is upper to pass through the 5th drag-line fastening assembly（10.5）Connect collision block sliding panel（10.2）, collision block
Sliding panel（10.2）It is upper to pass through the 5th drag-line fastening assembly simultaneously（10.5）Connect the 5th drag-line（5）The drag-line line at end is driven, the
Five drag-lines（5）The drag-line set at driving end is fixed on collision block fixed frame（10.1）On, collision block fixed frame（10.1）Upper connection the 5th is drawn
Rope fastening assembly（10.5）Sliding eye of the place equipped with strip, the setting of sliding eye make collision block sliding panel（10.2）It can be along
Collision block fixed frame（10.1）It slides up and down, collision block sliding panel（10.2）Upper fixing collision block（10.3）, collision block（10.3）Surface is tight
It is sticked and sets turbine and worm mechanism, collision block fixed frame（10.1）On fix two auxiliary switches（10.4）, two auxiliary switches
（10.4）It is located at collision block（10.3）Upper and lower side.
5. switchgear flexible interlock system as described in claim 1, it is characterized in that：The earthing switch operating mechanism（11）Packet
Include operation fixed plate（11.1）, operation sliding panel（11.2）, operation caging bolt（11.3）, operation spring（11.4）It is opened with ground connection
Close axis handle hole（11.5）, operate fixed plate（11.1）It is upper to pass through operation caging bolt（11.3）Attended operation sliding panel
（11.2）, operate sliding panel（11.2）Upper attended operation caging bolt（11.3）Sliding eye of the place equipped with strip, operation sliding
Plate（11.2）It can be along operation fixed plate（11.1）It slides up and down, operates sliding panel（11.2）Lower end and operation fixed plate
（11.1）Between be equipped with operation spring（11.4）, operate sliding panel（11.2）It is equipped with earthing switch axis handle hole（11.5）, the
Five drag-lines（5）The drag-line set of driven end is fixed on fixed plate（11.1）On, the 5th drag-line（5）The zipper line of driven end is fixed on behaviour
Make sliding panel（11.2）On.
6. switchgear flexible interlock system as described in claim 1, it is characterized in that：The cabinet door interlocking mechanism（8）Including disconnected
The road front doors Qi Shi（8.1）, cable vault front door（8.2）, upper latch hook（8.3）, upper swivel plate（8.4）, upper roller（8.5）, third draw
Rope fastening assembly（8.6）, upper piston axis（8.7）, upper spring（8.8）, Upper shaft sleeve（8.9）, lower latch hook（8.10）, lower swivel plate
（8.11）, bottom roller（8.12）, the 4th drag-line fastening assembly（8.13）, lower piston axis（8.14）, Lower shaft sleeve（8.15）And cabinet door
Fixed frame（8.16）, cabinet door fixed frame（8.16）Upper and lower side is rotatablely connected upper swivel plate by axis pin respectively（8.4）With lower rotation
Plate（8.11）, upper swivel plate（8.4）One end passes through third drag-line fastening assembly（8.6）Connect third drag-line（3）Drive the drawing at end
Bands, third drag-line（3）The drag-line set at driving end is fixed on cabinet door fixed frame（8.16）On, upper swivel plate（8.4）The other end is logical
Cross axis pin rotation connection upper roller（8.5）, cabinet door fixed frame（8.16）Upper fixed Upper shaft sleeve（8.9）, Upper shaft sleeve（8.9）Interior sliding
Connect upper piston axis（8.7）, upper piston axis（8.7）Upper set loads onto spring（8.8）, upper spring（8.8）On upper and lower side contacts respectively
Piston shaft（8.7）And Upper shaft sleeve（8.9）, upper piston axis（8.7）It is close to upper roller in upper surface（8.5）, lower swivel plate（8.11）One
End passes through the 4th drag-line fastening assembly（8.13）Connect the 4th drag-line（4）Drive the zipper line at end, the 4th drag-line（4）Drive end
Drag-line set is fixed on cabinet door fixed frame（8.16）On, lower swivel plate（8.11）The other end is rotatablely connected bottom roller by axis pin
（8.12）, cabinet door fixed frame（8.16）Upper fixed Lower shaft sleeve（8.15）, Lower shaft sleeve（8.15）Inside be slidably connected lower piston axis
（8.14）, lower piston axis（8.14）Upper set loads spring, lower piston axis（8.14）It is close to bottom roller in lower face（8.12）, breaker
Room front door（8.1）On latch hook is bolted（8.3）, upper latch hook（8.3）Positioned at upper swivel plate（8.4）On rotation path,
Cable vault front door（8.2）On lower latch hook is bolted（8.10）, lower latch hook（8.10）Positioned at lower swivel plate（8.11）Rotation
On path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403574.1A CN108346532B (en) | 2018-04-28 | 2018-04-28 | Flexible interlocking system of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403574.1A CN108346532B (en) | 2018-04-28 | 2018-04-28 | Flexible interlocking system of switch cabinet |
Publications (2)
| Publication Number | Publication Date |
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| CN108346532A true CN108346532A (en) | 2018-07-31 |
| CN108346532B CN108346532B (en) | 2023-09-19 |
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| CN201810403574.1A Active CN108346532B (en) | 2018-04-28 | 2018-04-28 | Flexible interlocking system of switch cabinet |
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| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| US20110192707A1 (en) * | 2008-09-24 | 2011-08-11 | Soerensen Claus Hegelund | Motor operator for switchgear for mains power distribution systems |
| CN102403141A (en) * | 2011-11-24 | 2012-04-04 | 山东泰开成套电器有限公司 | Interlocking mechanism for rear door and grounding switch of switch cabinet |
| CN203013570U (en) * | 2012-12-20 | 2013-06-19 | 无锡市新一代电力电器有限公司 | Electromagnet-based flexible inhaul cable interlocking mechanism |
| CN204991542U (en) * | 2015-08-11 | 2016-01-20 | 浙江时通电气制造有限公司 | Circuit breaker and isolator's flexible interlocking device |
| CN208127065U (en) * | 2018-04-28 | 2018-11-20 | 无锡市新一代电力电器有限公司 | Switchgear flexible interlock system |
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2018
- 2018-04-28 CN CN201810403574.1A patent/CN108346532B/en active Active
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|---|---|---|---|---|
| CN200990300Y (en) * | 2006-07-07 | 2007-12-12 | 耐吉科技股份有限公司 | High-voltage switch cubicle mechanical linking flexible driving device |
| US20110192707A1 (en) * | 2008-09-24 | 2011-08-11 | Soerensen Claus Hegelund | Motor operator for switchgear for mains power distribution systems |
| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| CN102403141A (en) * | 2011-11-24 | 2012-04-04 | 山东泰开成套电器有限公司 | Interlocking mechanism for rear door and grounding switch of switch cabinet |
| CN203013570U (en) * | 2012-12-20 | 2013-06-19 | 无锡市新一代电力电器有限公司 | Electromagnet-based flexible inhaul cable interlocking mechanism |
| CN204991542U (en) * | 2015-08-11 | 2016-01-20 | 浙江时通电气制造有限公司 | Circuit breaker and isolator's flexible interlocking device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108346532B (en) | 2023-09-19 |
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