CN106024453A - Misoperation-preventing interlocking apparatus - Google Patents
Misoperation-preventing interlocking apparatus Download PDFInfo
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- CN106024453A CN106024453A CN201610458078.7A CN201610458078A CN106024453A CN 106024453 A CN106024453 A CN 106024453A CN 201610458078 A CN201610458078 A CN 201610458078A CN 106024453 A CN106024453 A CN 106024453A
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- rotating shaft
- bent plate
- interlocking
- switch
- cam
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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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a misoperation-preventing interlocking apparatus. A grounding switch is connected with a grounding switch rotary shaft through a grounding switch connecting lever; a main bent plate is arranged in the cabinet body; the main bent plate moves up and down to drive an interlocking rotary shaft to rotate; the main bent plate is provided with a grounding switch rotary shaft baffle; when the main bent plate is positioned at the upper position, the front end part of the grounding switch rotary shaft is blocked by the grounding switch rotary shaft baffle; when the main bent plate is positioned at the lower position, the front end part of the grounding switch rotary shaft is exposed; the interlocking rotary shaft is equipped with an interlocking baffle and an interlocking propping plate which rotate along with the interlocking rotary shaft; and a handcart of a circuit breaker is provided with a handcart interlocking bent plate and a handcart limiting tongue-shaped plate. The misoperation-preventing interlocking apparatus provided by the invention is high in integration function, less in parts, compact in structure, and small in occupied space; the interlocking schemes are well arranged and closely linked, so that the interlocking reliability is high; and in addition, the ''five preventions'' interlocking requirement of the switch equipment is fully satisfied, so that the interlocking apparatus is high in safety in use.
Description
Technical field
The present invention relates to interlocking mechanism's technical field of switchgear, particularly relate to a kind of interlocking preventing maloperation and fill
Put.
Background technology
High-tension switch cabinet is electrical network for the conventional electrical equipment of electrical domain, and high-tension switch cabinet should possess and prevents by mistake point, closes
Chopper, prevents on-load from dividing, closes disconnecting switch (or stab contact), prevent disconnecting link with ground (or earth lead)
Power transmission, prevents " five prevent " functions such as charged co-grounding switch (or hanging earthing conductor).At present, it is common to use height
Pressure power supply mating switch is handcart type vacuum circuit breaker, and this Series Circuit Breakers is and metal armored withdrawal-type switching device
Matching used.
Mostly current interlock is to arrange two sets respectively and is connected with switch cabinet grounding switch and isolator operating mechanism
Mechanical driving, one of which realizes linking breaker open operation, and another set is used for stoping manual operation open circuit
Device closes a floodgate.Traditional interlock structure is complicated, and parts are many, takes up room big, the easy and part of mechanism self
Interfere, cause the maloperations such as electrical ground, can not meet the requirement of " five prevent ".
Summary of the invention
The technical assignment of the technical problem to be solved and proposition is to improve prior art, it is provided that one
Planting the interlock preventing maloperation, solve interlock structure traditional in current technology complicated, parts are many, account for
Big with space, easily the part with mechanism self interferes, the problem causing the maloperations such as electrical ground.
For solving above technical problem, the technical scheme is that
A kind of interlock preventing maloperation, including earthed switch connecting lever and ground switch rotating shaft, it is characterised in that
Described earthed switch connecting lever one end is connected with earthed switch, the other end and device ground switch rotating shaft in cabinet
Connect, drive earthed switch connecting lever to rotate when ground switch rotating shaft rotates and control earthed switch, be provided with in cabinet
Main bent plate, main bent plate is connected with interlocking rotating shaft by interlocking connecting lever assembly, and main bent plate moves up and down drive interlocking rotating shaft
Rotate, main bent plate is provided with the ground switch rotating shaft baffle plate being positioned at side, ground switch rotating shaft leading section, main bent plate
When being in position, ground switch rotating shaft baffle lives the leading section of ground switch rotating shaft, and main bent plate is in lower position
Time ground switch rotating shaft leading section expose, interlocking rotating shaft is provided with the interlocking interlocking baffle plate of axis of rotation and interlocking
Follow block, the handcart of chopper arranges handcart interlocking bent plate and the spacing hyoplastron of handcart, and earthed switch is in open position
And when circuit breaker cart is in operating position and closes a floodgate, handcart interlocking bent plate (23) props up interlocking baffle plate (19)
Preventing rotating shaft (18) rotation of interlocking, thus main bent plate (8) can not move down, ground switch rotating shaft (12) is grounded
Switch shaft baffle plate (81) blocks, it is impossible to operate earthed switch；Circuit breaker cart separating brake also retreats to test
During position, handcart interlocking bent plate (23) restriction cancellation to linkage block plate (19), move down main bent plate (8)
Exposing ground switch rotating shaft (12), the most main bent plate (8) drives interlocking rotating shaft (18) to rotate, interlocking baffle plate (19)
Rotate with the axis with interlocking follow block (20) to stretch out and stop that circuit breaker cart is again introduced into, prevent conjunction chopper with ground.
Of the present invention prevent the interlock of maloperation when circuit breaker cart is in operating position and closes a floodgate, have
Effect prevents the maloperation when breaker closing state from causing earthed switch to close position；And exit at breaker open operation handcart
Behind operating position, moving down main bent plate and expose ground switch rotating shaft, the most operable rotation ground switch rotating shaft makes
Obtaining earthed switch connecting lever to rotate to earthed switch conjunction position, with interlocking axis of rotation, interlocking baffle plate extremely stops that handcart joins simultaneously
The position of lock bent plate, stops circuit breaker cart to be again introduced into operating position, thus effectively prevents conjunction chopper with ground,
Improve safety in utilization, meet the demand of " five prevent ".
Further, described ground switch rotating shaft arranges the first cam, in place in the first cam institute on main bent plate
The place of putting is provided with the first cam rib, and main bent plate moves down and ground switch rotating shaft rotates to earthed switch conjunction position state
Time the first cam protruding parts rotate to the surface of the first cam rib and prevent from moving on main bent plate, the present invention uses
This kind of structure guarantees when earthed switch closes position state, and it is curved that interlocking rotating shaft is in interlocking baffle handcart interlocking all the time
The state of plate, it is impossible to baffle plate of interlocking by forcing rotation interlocking rotating shaft to make avoids handcart interlocking bent plate, thus effectively
Prevent circuit breaker cart from entering operating position, realize preventing the function of conjunction chopper with ground further.
Further, described ground switch rotating shaft also sets up the second cam, at the second cam place on main bent plate
Position is provided with the second cam rib, and when main bent plate is in position, the second cam bending edges stops the second cam rotation
Turn and prevent ground switch rotating shaft from surprisingly rotating to earthed switch conjunction position state, only when main bent plate moves to lower position,
Second cam bending edges increases with the spacing of ground switch rotating shaft, and the second cam just can be rotated through, so that
When chopper is in "on" position, ground switch rotating shaft does not haves the rotation without subjectivity operation, it is to avoid ground connection is opened
Closing rotating shaft unintentional rotation causes earthed switch to close position, prevents the situation of electrical ground.
Further, described ground switch rotating shaft also setting up the 3rd cam, the lower section of the 3rd cam is provided with lock
Bar, locking bar is provided with back-moving spring, and jam plate one end is fixedly connected on the Qianmen of cabinet, and the other end of jam plate is U
Shape draw-in groove, and the opening part width of U-shaped draw-in groove is less than the slot bottom width of U-shaped draw-in groove, locking bar is provided with connected
Wide section and thin diameter section, the U-shaped draw-in groove of jam plate is connected on locking bar, U-shaped when back-moving spring is in reset state
Draw-in groove is stuck in the wide section of locking bar, and the diameter of wide section is more than the opening part width of U-shaped draw-in groove, when earthed switch closes
During position, the 3rd cam rotates with ground switch rotating shaft and makes the ledge of the 3rd cam promote locking bar compression reset bullet
Spring so that the thin diameter section of locking bar enters in the U-shaped draw-in groove of jam plate, and the diameter of thin diameter section is less than the opening of U-shaped draw-in groove
Place's width.This kind of structure of the present invention makes the Qianmen only ability when earthed switch closes position of cabinet
Can open, so that it is guaranteed that equipment is in ground state when cabinet in-vivo device safeguarded by needs, it is ensured that the peace of attended operation
Quan Xing.
Further, described locking bar is offered porose, unlock action bars and be connected on the hole of locking bar also by latch
Mounting or dismounting flexibly, convenient driving locking bar downward actuation unlocks.
Further, in described cabinet, it is additionally provided with unblock bent plate, unlocks bent plate and pass through pin shaft device in cabinet
And rotate around bearing pin, unlock on bent plate and be provided with pin, device spring on bearing pin, when front door closure state,
Jam plate leans unblock bent plate makes it rotate the mobile route driving pin to avoid main bent plate along bearing pin, is at main bent plate
When lower position and Qianmen are opened, the reset response lower stop lever at spring turns to the mobile route of main bent plate and stops main
Move on bent plate, when this kind of structure of the present invention makes the state of door before opening, even if earthed switch is turned
Axle rotates and divides position to earthed switch, and pin also can effectively stop shifting on main bent plate so that the linkage block in interlocking rotating shaft
Plate is still within stopping the state of handcart interlocking bent plate, thus avoids occurring that chopper closes under the situation of door before opening
The situation of lock, improves safety in utilization further.
Further, the leading section of described ground switch rotating shaft installs earthed switch operating rocker handle additional when exposing state,
Make earthed switch point, closing operation convenient and strength-saving.
Further, described ground switch rotating shaft is additionally provided with the 4th cam, in the 4th cam correspondence position in cabinet
Install auxiliary switch, and be provided with auxiliary switch pressing plate between the 4th cam and auxiliary switch, when ground connection is opened
When closing, the ledge of the 4th cam promotes auxiliary switch platen presses auxiliary switch to indicate earthed switch state
Outwards output so that can grasp ground state intuitively, improves safety in utilization.
Further, the rearward end of described ground switch rotating shaft is provided with latch hook, and the back door of cabinet is provided with waist
Hole, latch hook is positioned at waist hole, and latch hook rotates with ground switch rotating shaft, a door-plate quilt at back door when earthed switch divides
Latch hook clasps, and when earthed switch closes position, whole latch hook rotates to the aperture in waist hole and can deviate from from waist hole, opens
Back door is safeguarded in carrying out cabinet so that only could carry out plant maintenance in open back door entrance cabinet under ground state,
Avoid the occurrence of the unsafe condition of power-on serving, improve safety.
Further, described cabinet is provided with rectangular indentation on the tank bracket at back door, and ground switch rotating shaft sets
Putting the square toes mated with rectangular indentation, during the open mode of back door, square toes entrance rectangular indentation prevents ground switch rotating shaft from revolving
Turning, when back door is closed, square toes are released rectangular indentation and are made ground switch rotating shaft rotatable by back door, it is to avoid open at back door
Open ground switch rotating shaft under situation to rotate to earthed switch point position, and then avoid occurring that chopper closes when opening at back door
The situation of lock, improves safety.
Compared with prior art, the invention has the advantages that:
The interlock integrated functionality preventing maloperation of the present invention is strong, and parts are few, compact conformation, take
Space is little, and crosslinking lock scheme is well arranged, all linked with one another, and Interlock Reliability is high, fully meets " the five of switchgear
Anti-" interlock requirement, safe to use, ensure that switchgear the most normally works, it is to avoid staff is safeguarding
Electric shock accidents occurs during equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of earthed switch point position；
Fig. 2 is the right side view of earthed switch interlocking rotating shaft when dividing；
Fig. 3 is the partial structurtes schematic diagram that in Fig. 1, left side regards A1；
Fig. 4 is the section B1-B1 schematic diagram that in Fig. 1, locking bar is connected with jam plate；
Fig. 5 is the structural representation that earthed switch closes position；
Fig. 6 is the right side view of interlocking rotating shaft during earthed switch conjunction position；
Fig. 7 is the partial structurtes schematic diagram that in Fig. 5, left side regards A2；
Fig. 8 is the section B2-B2 schematic diagram that in Fig. 5, locking bar is connected with jam plate.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole realities
Execute example.Based on the embodiment in the present invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
A kind of interlock preventing maloperation disclosed in the embodiment of the present invention, integrated functionality is strong, and amount of parts is few,
Compact conformation, good stability of interlocking, meet " five prevent " interlock requirement of switchgear.
As shown in Figures 1 to 8, a kind of interlock preventing maloperation, including earthed switch connecting lever 1 and ground connection
Switch shaft 12, described earthed switch connecting lever 1 one end is connected with earthed switch, and the other end and device are in cabinet
Ground switch rotating shaft 12 connect, when ground switch rotating shaft 12 rotates drive earthed switch connecting lever 1 rotate control
Earthed switch, is provided with main bent plate 8 in cabinet, main bent plate 8 is by interlocking connecting lever assembly 17 and interlocking rotating shaft 18
Connecting, main bent plate 8 moves up and down drive interlocking rotating shaft 18 and rotates, and main bent plate 8 is provided with and is positioned at earthed switch and turns
The ground switch rotating shaft baffle plate 81 of side, axle 12 leading section, ground switch rotating shaft gear when main bent plate 8 is in position
Plate 81 stops the leading section of ground switch rotating shaft 12, ground switch rotating shaft 12 when main bent plate 8 is in lower position
Leading section is exposed, and interlocking rotating shaft 18 is provided with the interlocking baffle plate 19 rotated with interlocking rotating shaft 18 and interlocking follow block
20, the handcart of chopper arranges handcart interlocking bent plate 23 and the spacing hyoplastron of handcart 24, earthed switch is in separating brake
When position and circuit breaker cart are in operating position and close a floodgate, handcart interlocking bent plate 23 props up interlocking baffle plate 19 to be prevented
Only interlocking rotating shaft 18 rotates, thus main bent plate 8 can not move down, and ground switch rotating shaft 12 is grounded switch shaft gear
Plate 81 blocks, it is impossible to operate earthed switch；Circuit breaker cart separating brake when retreating to testing position, handcart joins
The lock bent plate 23 restriction cancellation to linkage block plate 19, moves down main bent plate 8 and exposes ground switch rotating shaft 12, with
Time main bent plate 8 drive interlocking rotating shaft 18 to rotate, interlocking baffle plate 19 and interlocking follow block 20 rotate with the axis, and to stretch out stop disconnected
Road device handcart is again introduced into, and prevents conjunction chopper with ground.
Ground switch rotating shaft 12 is arranged along direction before and after cabinet, and the Qianmen 10 of cabinet is provided with action pane,
Main bent plate 8 realizes the opening and closing of action pane up and down through ground switch rotating shaft baffle plate 81, when main bent plate 8 is in
During lower position, the leading section of ground switch rotating shaft 12 is exposed, by action pane before ground switch rotating shaft 12
End installs earthed switch operating rocker handle 11 additional, rotates ground switch rotating shaft 12 by earthed switch operating rocker handle 11
It is grounded switch point, closing operation, operates more laborsaving convenience.
Meanwhile, the rearward end at ground switch rotating shaft 12 is provided with latch hook 21, and the back door 22 of cabinet is provided with waist
Hole, waist hole is vertical elongate holes, and latch hook 21 is positioned at waist hole, and latch hook 21 rotates with ground switch rotating shaft 12,
When earthed switch divides, latch hook 21 is in lateral attitude, and the door-plate at back door 22 is clasped by latch hook 21, ground connection
Switch close position time, latch hook 21 rotates to vertical position, whole latch hook 21 be positioned at waist hole aperture and can be from waist hole
Abjection, safeguards such that it is able to open in back door 22 carries out cabinet, it is ensured that only just can open when earthed switch closes position
Open back door；And it is provided with rectangular indentation on the tank bracket 25 that cabinet is at back door 22, ground switch rotating shaft 12 sets
Put the square toes 26 mated with rectangular indentation, ground switch rotating shaft 12 is provided with resetting means square toes 26 are inserted
Rectangular indentation, during 22 open mode of back door, square toes 26 are positioned at rectangular indentation and prevent ground switch rotating shaft 12 from rotating,
When back door 22 is closed, back door 22 promotes square toes 26 to make it exit rectangular indentation, so that ground switch rotating shaft 12
Rotatable, thus only under the closed mode of back door 22, earthed switch just can carry out separating brake, improves use further
Safety, effectively protects the personnel of attended operation.
The first cam 13, second has been set gradually along Qianmen to direction, back door convex on the axostylus axostyle of ground switch rotating shaft 12
Wheel the 14, the 3rd cam 15 and the 4th cam 16, main bent plate 8 is provided with at the first cam 13 position the
One cam rib 82, when main bent plate 8 moves down and ground switch rotating shaft 12 rotates to earthed switch conjunction position state,
The protruding parts rotation of the first cam 13 prevents from moving on main bent plate 8 to the surface of the first cam rib 82, prevents
Earthed switch closes breaker closing under the state of position.
Being provided with the second cam rib 83 on main bent plate 8 at the second cam 14 position, main bent plate 8 is in
During upper position, the second cam bending edges 83 stops the second cam 14 rotation to prevent the unexpected rotation of ground switch rotating shaft 12 extremely
Earthed switch closes position state, prevents occurring during breaker closing state that earthed switch closes position.
It is provided with locking bar 4 in cabinet below the 3rd cam 15, locking bar 4 is provided with back-moving spring, jam plate 9
One end is fixedly connected on the Qianmen 10 of cabinet, and the other end of jam plate 9 is U-shaped draw-in groove, and the opening of U-shaped draw-in groove
At Kou, width is less than the slot bottom width of U-shaped draw-in groove, and locking bar 4 is provided with connected wide section and thin diameter section, jam plate
The U-shaped draw-in groove of 9 is connected on locking bar 4, and when back-moving spring is in reset state, U-shaped draw-in groove is stuck in the thick of locking bar 4
Footpath section, the diameter of wide section is more than the opening part width of U-shaped draw-in groove, the 3rd cam 15 when earthed switch closes position
Rotate with ground switch rotating shaft 12 and make the ledge of the 3rd cam 15 promote locking bar 4 compression reseting spring, make
Obtaining in the U-shaped draw-in groove of thin diameter section entrance jam plate 9 of locking bar 4, the diameter of thin diameter section is less than the opening part of U-shaped draw-in groove
Width so that Qianmen 10 only could be opened when earthed switch closes position, locking bar 4 is offered porose, solves
Latching operation bar 5 is connected on the hole of locking bar by latch and mounting or dismounting flexibly；Unblock bent plate 7 it is additionally provided with in cabinet,
Unlock bent plate 7 and in cabinet and in bearing pin rotation, unblock bent plate 7, be provided with pin 6 by pin shaft device,
Device spring on bearing pin, when Qianmen 10 closed mode, jam plate 9 leans unblock bent plate 7 makes it rotate along bearing pin
Pin 6 is driven to avoid the mobile route of main bent plate 8, when main bent plate 8 is in lower position and Qianmen 10 is opened,
Reset response lower stop lever 6 at spring turns to the mobile route of main bent plate 8 and stops shifting on main bent plate 8.
In cabinet, auxiliary switch 3 is set at the 4th cam 16 correspondence position, and opens with auxiliary at the 4th cam 16
Closing and be provided with auxiliary switch pressing plate 2 between 3, when earthed switch closes position, the ledge of the 4th cam 16 promotes auxiliary
Helping switch press plate 2 to press auxiliary switch 3 and indicate earthed switch state, grasp ground state intuitively, raising makes
Use safety.
The interlock preventing maloperation of the present invention is all linked with one another, greatly improves the use of switchgear
Safety, effectively protection equipment and the safety of staff, fully meet " five prevent " interlock requirement.
Below it is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred implementation is not construed as
Limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For this skill
For the those of ordinary skill in art field, without departing from the spirit and scope of the present invention, it is also possible to make some changing
Entering and retouch, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. prevent an interlock for maloperation, including earthed switch connecting lever (1) and ground switch rotating shaft (12),
It is characterized in that, described earthed switch connecting lever (1) one end is connected with earthed switch, and the other end and device are at cabinet
Interior ground switch rotating shaft (12) connects, and drives earthed switch connecting lever (1) when ground switch rotating shaft (12) rotates
Rotating and control earthed switch, be provided with main bent plate (8) in cabinet, main bent plate (8) is by interlocking connecting lever assembly
(17) being connected with interlocking rotating shaft (18), main bent plate (8) moves up and down drive interlocking rotating shaft (18) and rotates, main
The ground switch rotating shaft baffle plate (81) being positioned at ground switch rotating shaft (12) side, leading section it is provided with on bent plate (8),
Before when main bent plate (8) is in position, ground switch rotating shaft baffle plate (81) stops ground switch rotating shaft (12)
End, when main bent plate (8) is in lower position, ground switch rotating shaft (12) leading section is exposed, interlocking rotating shaft (18)
On be provided with interlocking rotating shaft (18) the interlocking baffle plate (19) that rotates and follow block (20) of interlocking, the hands of chopper
Handcart interlocking bent plate (23) and the spacing hyoplastron of handcart (24) is set on car, earthed switch be in open position and
When circuit breaker cart is in operating position and closes a floodgate, handcart interlocking bent plate (23) props up interlocking baffle plate (19) and prevents
Interlocking rotating shaft (18) rotates, thus main bent plate (8) can not move down, and ground switch rotating shaft (12) is grounded switch
Rotating shaft baffle plate (81) blocks, it is impossible to operate earthed switch；Circuit breaker cart separating brake also retreats to testing position
Time, handcart interlocking bent plate (23) restriction cancellation to linkage block plate (19), move down main bent plate (8) and expose
Ground switch rotating shaft (12), the most main bent plate (8) drives interlocking rotating shaft (18) to rotate, interlocking baffle plate (19)
Rotate with the axis with interlocking follow block (20) to stretch out and stop that circuit breaker cart is again introduced into, prevent conjunction chopper with ground.
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
Close, in rotating shaft (12), the first cam (13) is set, on main bent plate (8) at the first cam (13) position
Being provided with the first cam rib (82), main bent plate (8) moves down and ground switch rotating shaft (12) rotates to ground connection
When switch closes position state, the protruding parts of the first cam (13) rotates to the surface of the first cam rib (82) anti-
Only main bent plate (8) is upper moves.
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
Close and also set up the second cam (14), in the second cam (14) position on main bent plate (8) in rotating shaft (12)
Place is provided with the second cam rib (83), the second cam bending edges (83) resistance when main bent plate (8) is in position
Only the second cam (14) rotates and prevents the unexpected rotation of ground switch rotating shaft (12) from closing position state to earthed switch.
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
Closing and also set up the 3rd cam (15) in rotating shaft (12), the lower section of the 3rd cam (15) is provided with locking bar (4),
Being provided with back-moving spring on locking bar (4), jam plate (9) one end is fixedly connected on the Qianmen (10) of cabinet, jam plate
(9) the other end is U-shaped draw-in groove, and the opening part width of U-shaped draw-in groove is less than the slot bottom width of U-shaped draw-in groove,
Being provided with connected wide section and thin diameter section on locking bar (4), the U-shaped draw-in groove of jam plate (9) is connected to locking bar (4)
On, when back-moving spring is in reset state, U-shaped draw-in groove is stuck in the wide section of locking bar (4), and the diameter of wide section is big
In the opening part width of U-shaped draw-in groove, when earthed switch closes position, the 3rd cam (15) is with ground switch rotating shaft (12)
Rotation makes the ledge of the 3rd cam (15) promote locking bar (4) compression reseting spring so that locking bar (4)
Thin diameter section enter in the U-shaped draw-in groove of jam plate (9), the diameter of thin diameter section is less than the opening part width of U-shaped draw-in groove.
The interlock preventing maloperation the most according to claim 4, it is characterised in that described locking bar (4)
On offer porose, unlock action bars (5) and be connected on the hole of locking bar by latch and the most flexible mounting or dismounting.
The interlock preventing maloperation the most according to claim 4, it is characterised in that in described cabinet
It is additionally provided with unblock bent plate (7), unlocks bent plate (7) by pin shaft device in cabinet and around bearing pin rotation,
Unlock and be provided with pin (6) on bent plate (7), device spring on bearing pin, when Qianmen (10) closed mode,
Jam plate (9) leans unblock bent plate (7) makes it rotate the shifting driving pin (6) to avoid main bent plate (8) along bearing pin
Dynamic path, when main bent plate (8) is in lower position and Qianmen (10) open, in the reset response lower block of spring
Bar (6) turns to the mobile route of main bent plate (8) and stops the upper shifting of main bent plate (8).
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
The leading section closing rotating shaft (12) installs earthed switch operating rocker handle (11) additional when exposing state.
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
Close rotating shaft (12) and be additionally provided with the 4th cam (16), arrange auxiliary at the 4th cam (16) correspondence position in cabinet
Help switch (3), and be provided with auxiliary switch pressing plate (2) between the 4th cam (16) and auxiliary switch (3),
When earthed switch closes position, the ledge of the 4th cam (16) promotes auxiliary switch pressing plate (2) pressing auxiliary switch
(3) earthed switch state is indicated.
The interlock preventing maloperation the most according to claim 1, it is characterised in that described ground connection is opened
The rearward end closing rotating shaft (12) is provided with latch hook (21), and the back door (22) of cabinet is provided with waist hole, latch hook
(21) being positioned at waist hole, latch hook (21) rotates with ground switch rotating shaft (12), when earthed switch divides after
The door-plate of door (22) is clasped by latch hook (21), and when earthed switch closes position, whole latch hook (21) rotates to waist hole
Aperture in and can deviate from from waist hole, open back door (22) and carry out safeguarding in cabinet.
The interlock preventing maloperation the most according to claim 9, it is characterised in that described cabinet
Being provided with rectangular indentation on the tank bracket (25) at back door (22) place, ground switch rotating shaft (12) is upper to be arranged and square
The square toes (26) of v notch v coupling, during back door (22) open mode, square toes (26) entrance rectangular indentation prevents from connecing
Ground switch shaft (12) rotates, and when back door (22) are closed, square toes (26) are released rectangular indentation by back door (22)
Make ground switch rotating shaft (12) rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458078.7A CN106024453B (en) | 2016-06-22 | 2016-06-22 | A kind of interlock for preventing maloperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458078.7A CN106024453B (en) | 2016-06-22 | 2016-06-22 | A kind of interlock for preventing maloperation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024453A true CN106024453A (en) | 2016-10-12 |
| CN106024453B CN106024453B (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458078.7A Active CN106024453B (en) | 2016-06-22 | 2016-06-22 | A kind of interlock for preventing maloperation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783277A (en) * | 2017-01-20 | 2017-05-31 | 浙江临高电气实业有限公司 | A kind of auxiliary switch control structure and the switch cubicle with it |
| CN108847605A (en) * | 2018-09-06 | 2018-11-20 | 华仪电气股份有限公司 | A kind of five-prevention interlocking device and the hands injured with it |
| CN109066439A (en) * | 2018-09-06 | 2018-12-21 | 华仪电气股份有限公司 | A kind of handcart interlocking mechanism of five-prevention interlocking device |
| CN109449025A (en) * | 2019-01-02 | 2019-03-08 | 厦门市恒源新电力设备有限公司 | A kind of interlocking mechanism of handcart-type contactor |
| CN112736749A (en) * | 2021-01-22 | 2021-04-30 | 福建船政交通职业学院 | KYN high tension switchgear intelligence control system |
| CN113013771A (en) * | 2021-03-05 | 2021-06-22 | 四川秦巴电气有限责任公司 | Interlocking mechanism of switch equipment |
| CN113302809A (en) * | 2019-01-17 | 2021-08-24 | Ls电气株式会社 | Grounding module of air insulation distribution board |
| US11476647B1 (en) * | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
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| CN106783277B (en) * | 2017-01-20 | 2019-02-19 | 浙江临高电气实业有限公司 | A kind of auxiliary switch control structure and the switchgear with it |
| CN108847605A (en) * | 2018-09-06 | 2018-11-20 | 华仪电气股份有限公司 | A kind of five-prevention interlocking device and the hands injured with it |
| CN109066439A (en) * | 2018-09-06 | 2018-12-21 | 华仪电气股份有限公司 | A kind of handcart interlocking mechanism of five-prevention interlocking device |
| CN108847605B (en) * | 2018-09-06 | 2024-05-31 | 华仪电气股份有限公司 | Five-prevention interlocking device and handcart cabinet with same |
| CN109066439B (en) * | 2018-09-06 | 2023-11-21 | 华仪电气股份有限公司 | Handcart interlocking mechanism of five-prevention interlocking device |
| CN109449025A (en) * | 2019-01-02 | 2019-03-08 | 厦门市恒源新电力设备有限公司 | A kind of interlocking mechanism of handcart-type contactor |
| CN109449025B (en) * | 2019-01-02 | 2024-03-19 | 厦门市恒源新电力设备有限公司 | Interlocking mechanism of handcart type contactor |
| CN113302809B (en) * | 2019-01-17 | 2023-09-19 | Ls电气株式会社 | Grounding module of air insulation distribution board |
| CN113302809A (en) * | 2019-01-17 | 2021-08-24 | Ls电气株式会社 | Grounding module of air insulation distribution board |
| CN112736749B (en) * | 2021-01-22 | 2023-04-04 | 福建船政交通职业学院 | KYN high tension switchgear intelligence control system |
| CN112736749A (en) * | 2021-01-22 | 2021-04-30 | 福建船政交通职业学院 | KYN high tension switchgear intelligence control system |
| CN113013771B (en) * | 2021-03-05 | 2023-02-21 | 四川秦巴电气有限责任公司 | Interlocking mechanism of switch equipment |
| CN113013771A (en) * | 2021-03-05 | 2021-06-22 | 四川秦巴电气有限责任公司 | Interlocking mechanism of switch equipment |
| US20220344913A1 (en) * | 2021-04-22 | 2022-10-27 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
| US11476647B1 (en) * | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
| US11984289B2 (en) | 2021-04-22 | 2024-05-14 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
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