CN106848900A - Front door of switch cabinet locking device and the switch cubicle using the locking device - Google Patents
Front door of switch cabinet locking device and the switch cubicle using the locking device Download PDFInfo
- Publication number
- CN106848900A CN106848900A CN201710128328.5A CN201710128328A CN106848900A CN 106848900 A CN106848900 A CN 106848900A CN 201710128328 A CN201710128328 A CN 201710128328A CN 106848900 A CN106848900 A CN 106848900A
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- Prior art keywords
- stroke
- arm
- unlocking
- locking
- cabinet
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to a kind of front door of switch cabinet locking device and the switch cubicle using the locking device, switch cubicle includes cabinet and front door, being provided with cabinet can be back into cabinet and the breaker that can be exited from cabinet forward, switch cubicle also includes the locking device for carrying out locking to front door, locking device includes the lock being arranged on front door and the locking unlocking mechanism being arranged in cabinet, locking unlocking mechanism is assemblied in the dead bolt in cabinet including reciprocating movement, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, dead bolt is relied on the positive activity of the elastic acting force of gravity and/or elastic mechanism applying on its positive locking stroke and is coordinated with hook corresponding with the lock, dead bolt drives reverse activity to disengage unblock with the lock on its reversely unblock stroke by the breaker for moving from back to front.Due to carrying out locking not against breaker, locking unlocking mechanism need not be made thin big, take up room smaller, simple structure.
Description
Technical field
The present invention relates to a kind of front door of switch cabinet locking device and the switch cubicle using the locking device.
Background technology
According to the anti-requirement of Medium voltage switch or circuit breaker cabinet equipment five, mistakenly entering charged chamber is prevented, 35kV medium voltage switchgear equipments are metal armour
Dress enclosed construction, it is necessary to control the removable interlocked control for opening part of cabinet in the running of switch cubicle, in switch cubicle
When breaker is in operating position, breaker chamber forms conducting loop, in this state, if opening circuit breaker chamber door, deposits
In the danger of mistakenly entering charged chamber.
In the high-tension switch cabinet of current industry, do not design mostly when breaker is in the displacement of testing position Yu operating position
, there is the risk for opening by mistake and opening in the structure being controlled to the switching manipulation of front door of switch cabinet during conversion.There are a small number of manufacturers pair
The design of mistakenly entering into charged breaker chamber is using switch cabinet shutter interlock, in breaker and the row of valve interlocking mechanism
Enter on stroke to install additional interlocking, realize the interlocked control to front door of switch cabinet, this set interlock with valve interlock integrally, is tied
Structure is complicated, and two sets of interlocks have transmission restricting relation, and reliability is not high, exists and influences each other, meanwhile, this set interlock
Inside cabinet, emergency release cannot be realized on the outside of cabinet.
A kind of handcart switch cabinet is disclosed in Authorization Notice No. is for the Chinese utility model patent of CN201887366U
Breaker and front door interlocking mechanism, including the lock for being arranged on front door and the fixation for being arranged in cabinet
Block, is rotatably equipped with hook on fixed block, hook has for the gib head with the corresponding grafting of lock, has straight bar section on hook,
Straight bar section is used to coordinate with breaker, when breaker moves into operating position from the front to the back, the upward top pressure straight-bar of breaker
Section, forces hook to rotate so that the gib head inserting corresponding with the lock on front door of hook front end, realizes the locking to front door, and
When breaker is moved from the front to the back, the no longer upward pushing tow straight bar section of breaker, under straight bar section self gravitation effect, hook is anti-
To gib head and lock disengagement is rotated such that, unblock is realized.
This interlocking mechanism is relatively simple, but must rely on breaker top pressure as the hook ability of locking-tripper
Locking is realized, this is accomplished by being configured as according to breaker operating position hook structure, the length of locking-tripper, protected
Demonstrate,prove the locking to linking up with.Due to breaker enter cabinet in operating position it is more inner, this cause hook needs be designed to compared with
Long, in 600mm or so, rotation, rotation space is larger as 35kV switch cubicle strokes, is easily interfered, and makes hook straight
It is dynamic carry out locking, unblock if, it is necessary to configure rotating drive mechanism in addition to realize locking, unblock to linking up with, cause whole
Individual locking-tripper structure can be more complicated.
The content of the invention
The present invention provides a kind of front door of switch cabinet locking device, must be by open circuit to solve interlock in the prior art
Device top pressure could realize the technical problem of locking as the hook of locking-tripper；Meanwhile, the present invention also provides one kind and uses
The switch cubicle of above-mentioned locking device.
The technical scheme of front door of switch cabinet locking device provided by the present invention is：A kind of front door of switch cabinet locking device,
Locking-unlocking mechanism including the lock for being arranged on cabinet front door and for being arranged in switch cubicle, the locking-solution
Latch mechanism includes the dead bolt being assemblied in for reciprocating movement in switch cubicle, and the reciprocating movement stroke of dead bolt includes positive locking stroke
With reversely unblock stroke, dead bolt is relied on its positive locking stroke gravity and/or elastic mechanism applying elastic acting force just
Coordinated with hook corresponding with the lock to activity, dead bolt is moved from back to front in being used for by switch cubicle on its reversely unblock stroke
Dynamic breaker drives reverse activity to disengage unblock with the lock.
Locking-the unlocking mechanism includes being used for unlocking arm of the rolling assembling in switch cubicle, the reciprocating rotation of unlocking arm
Stroke includes the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, unlocking arm have it is facing forward for by
The breaker pushing tow in access switch cabinet avoids face with the preceding pushing tow for forcing unlocking arm swing backward from front to back, and unlocking arm also has
Have backwards for by the breaker pushing tow for moving from back to front to force unlocking arm to swing forward and then drive the dead bolt to exist
The rear pushing tow solution locking face for reversely being moved on unblock stroke.
Locking-the unlocking mechanism also includes being used for intermediate transmission arm of the rolling assembling in switch cubicle, intermediate transmission arm
With the drive division that the dead bolt reciprocating movement is driven during its reciprocating rotation, intermediate transmission arm is rotated forward with by institute
State drive division and drive dead bolt activity on positive locking stroke, intermediate transmission arm is rotated backward and drives institute with by the drive division
State dead bolt activity on reversely unblock stroke, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, unidirectionally from
Close transmission mechanism drives intermediate transmission arm anti-in engagement state when unlocking arm is located on reverse pushing tow stroke with by unlocking arm
To rotation, one-way clutch transmission mechanism is in disengaged condition when unlocking arm is located at positive avoidance on stroke.
The center of rotation axis of the intermediate transmission arm is coaxial with the center of rotation axis of unlocking arm, and the one-way clutch is passed
Motivation structure includes the transmission pushing tow face of the direction unlocking arm that the intermediate transmission arm is provided with, and the unlocking arm has in solution
Hammerlock is in pushing tow when on reverse pushing tow stroke and is driven pushing tow face to drive intermediate transmission arm to rotate backward, in unlocking arm in just
Avoid the transmission pushing tow face when on stroke to cause that one-way clutch transmission mechanism is in the unidirectional pushing tow of disengaged condition to avoiding
Portion.
Front door of switch cabinet locking device also include for the rear pushing tow unblock emaciated face in breaker and the unlocking arm from when
Drive the counter-rotational emergent unlocking structure of intermediate transmission arm.
The dead bolt is the limiting plate being assemblied in for guiding movement along the vertical direction in switch cubicle, and the limiting plate is provided with
Vertically extending and drive division inserting with the intermediate transmission arm is causing the drive division of limiting plate and intermediate transmission arm
Form the guide chute of crank block slider structure.
The technical scheme of the switch cubicle using above-mentioned locking device provided by the present invention is：A kind of switch cubicle, including cabinet
Body and front door, being provided with cabinet can be back into cabinet and the breaker that can be exited from cabinet forward, and switch cubicle also includes
Locking device for carrying out locking to front door, locking device includes the lock being arranged on front door and the lock being arranged in cabinet
Only-unlocking mechanism, the locking-unlocking mechanism is assemblied in the dead bolt in cabinet, the reciprocating movement row of dead bolt including reciprocating movement
Journey includes positive locking stroke and reversely unblock stroke, and dead bolt relies on gravity and/or elastic mechanism on its positive locking stroke
The positive activity of the elastic acting force of applying is coordinated with hook corresponding with the lock, and dead bolt reverse is unlocked on stroke by from rear at it
The breaker of forward movement drives reverse activity to disengage unblock with the lock.
Locking-the unlocking mechanism includes unlocking arm of the rolling assembling in cabinet, the reciprocating rotation stroke bag of unlocking arm
Include the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, unlocking arm has facing forward for laggard
The preceding pushing tow for entering the breaker pushing tow in cabinet to force unlocking arm swing backward avoids face, and unlocking arm also has being used for backwards
By the breaker pushing tow for moving from back to front with force unlocking arm swing forward so that drive the dead bolt reversely unblock stroke
The rear pushing tow solution locking face of upper movement.
Locking-the unlocking mechanism also includes intermediate transmission arm of the rolling assembling in cabinet, and intermediate transmission arm has
The drive division of the dead bolt reciprocating movement, intermediate transmission arm is driven to rotate forward with by the driving during its reciprocating rotation
Portion drives dead bolt activity on positive locking stroke, and intermediate transmission arm is rotated backward and drives the dead bolt with by the drive division
The activity on reversely unblock stroke, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, one-way clutch transmission
Mechanism drives intermediate transmission arm to rotate backward in engagement state when unlocking arm is located on reverse pushing tow stroke with by unlocking arm,
One-way clutch transmission mechanism is in disengaged condition when unlocking arm is located at positive avoidance on stroke.
The locking device also include for the rear pushing tow of breaker and unlocking arm unblock emaciated face from when drive
Between the counter-rotational emergent unlocking structure of transmission arm.
The beneficial effects of the invention are as follows：In front door of switch cabinet locking device provided by the present invention, locking-unlocking mechanism
Dead bolt coordinates by the elastic reaction hook corresponding with lock of gravity and/or elastic mechanism, realizes locking, is moved back by breaker
When dynamic, dead bolt can be driven to be moved on its reversely unblock stroke and to be disengaged with lock, realize unblock.Due to can by gravity and/
Or the elastic acting force that elastic mechanism is provided realizes locking, it is not necessary to carry out locking to locking-unlocking mechanism by breaker, this
Sample, is arranged in the breaker operating position at the deep place of cabinet inside, will not cause unexpected influence to locking-unlocking mechanism,
Locking-unlocking mechanism need not be made thin big or very complicated, take up room relatively small, and structure is also by a relatively simple.
Further, locking-unlocking mechanism include unlocking arm of the rolling assembling in switch cabinet body, unlocking arm it is reciprocal
Rotational travel includes the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, the breaker in switch cubicle to
Move afterwards and avoid face to enter preceding pushing tow when in cabinet on pushing tow unlocking arm, force unlocking arm swing backward to enter positive avoidance
Stroke, and when breaker is moved from the front to the back, the rear pushing tow solution locking face that breaker can be on pushing tow unlocking arm, force unlocking arm to
Before swing into reverse pushing tow stroke, by unlocking arm drive dead bolt reversely unblock stroke on reverse activity with realize unblock, knot
Structure is relatively simple, easy to use.
Further, locking-unlocking mechanism also includes intermediate transmission arm, and the intermediate transmission arm for rotating forward is passed by middle
Drive division on swing arm drives dead bolt activity on positive locking stroke, and counter-rotational intermediate transmission arm passes through intermediate transmission arm
On drive division drive keyed activity on reversely unblock stroke, correspondence intermediate transmission arm sets elastic mechanism, by elastic mechanism
To the active force that intermediate transmission arm applies to force it to rotate forward, to ensure dead bolt and the effective locking of lock, one-way clutch transmission
Mechanism goes back on the premise of the breaker for ensureing to move forward can force dead bolt normal release by unlocking arm, intermediate transmission arm
So that breaker only needs to overcome by the rotation of unlocking arm in the cabinet of access switch cabinet, resistance is smaller, convenient to enter.
Further, the drive division of limiting plate and intermediate transmission arm forms crank block slider structure, can reduce intermediate transmission arm
Rotational angle being unlocked, when locking is operated, reduces the space that locking-unlocking mechanism takes.
Further, locking is carried out to it because locking-unlocking mechanism does not need breaker, can so utilizes and be arranged on
Emergency unlocking mechanism on cabinet drives intermediate transmission arm to rotate backward to drive dead bolt to disengage unblock with lock, improves whole lock
Determine the security of device.
Further, because the hinge that front door is generally arranged using side realizes folding, because front door is heavier, easily occur
The problem that arrisdefect is moved down, due in fixed plate in dead bolt arranged beneath cross-brace plate section, also, lock towards in cabinet
The one end in portion has lead-in chamfered, and so, before being turned off during door, even the problem that arrisdefect is moved down occurs in front door, and also may be used
Using the cooperation of lead-in chamfered and cross-brace plate section, lock is lifted up together with front door using cross-brace plate section, it is ensured that
The normal switching-off at front door.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of switch cubicle provided by the present invention（Breaker is in operating position,
Front door locking device is in the locked position）；
Fig. 2 is schematic diagram when breaker in switch cubicle shown in Fig. 1 is in testing position（Front door locking device is in solution lock-bit
Put）；
Fig. 3 is the stereogram of front door locking device in Fig. 1；
Fig. 4 is the structural representation of the unlocking arm in Fig. 3；
Fig. 5 is the structural representation of intermediate transmission arm in Fig. 3；
Fig. 6 is the variable condition figure of unlocking arm and intermediate transmission arm in breaker access switch cabinet from the front to the back in Fig. 3（In figure
Dotted line represents that unlocking arm is located in positive avoidance stroke）；
Fig. 7 is that unlocking arm and intermediate transmission arm move to drive what locking-unlocking mechanism was unlocked from the front to the back in breaker in Fig. 3
Variable condition figure（Dotted line represents that unlocking arm is introduced into reversely unlocking the schematic diagram of stroke in figure）；
Arrow show breaker moving direction in corresponding figure in figure.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment of switch cubicle provided by the present invention, the switch cubicle in the embodiment as shown in Figures 1 to 7, including cabinet
Body 3 and front door 1, the hinge mounted of front door 1 are also filled at the front opening of cabinet 3 including the locking for carrying out locking to front door
Put, locking device includes the lock 5 being arranged on cabinet front door 1 herein, lock 5 is specially the plate with latch hook structure, currently
After door is closed, lock 5 is moved into place, and the locking realized to front door is coordinated by the block to latch hook structure stroke.
Be provided with fixed plate 7 in cabinet, locking device also include dead bolt 6 in fixed plate 7, intermediate transmission arm 9 and
Unlocking arm 11, specially guiding movement is assemblied in the limiting plate in fixed plate 7 to dead bolt 6 herein along the vertical direction, and dead bolt 6 is along upper
Lower section is assemblied in fixed plate to moving back and forth, and the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock row
Journey, dead bolt rely on its positive locking stroke the positive activity of elastic acting force that gravity and elastic mechanism apply with lock on
Latch hook correspondence hook coordinate, dead bolt its reversely unblock stroke on be used for by the breaker for moving from back to front in switch cubicle
Reverse activity is driven to disengage unblock with the buckle structure on lock, for this case, it is positive activity, lock that dead bolt is moved down
It is reverse activity that tongue is moved up.
In fact, lock 5 latch hook structure towards the end on the inside of cabinet be provided with incline extend forwardly into top
Pushing tow inclined-plane, when front door is closed, the lock being moved rearwards by is regular upwards by dead bolt 6 using pushing tow inclined-plane, realizes locking to facilitate
Tongue coordinates with the normal hook of lock.
In the present embodiment, two sets of locking-unlocking mechanisms are provided with fixed plate, often covering locking-unlocking mechanism is included together
An intermediate transmission arm 9 and a unlocking arm 11 of the axle rolling assembling in fixed plate 7, both center of rotation axis are coaxial,
When using, by the reciprocating rotation of intermediate transmission arm 9 to drive dead bolt moving back and forth in the vertical direction, so as to realize locking
And unblock, intermediate transmission arm 9 has the drive division 91 that dead bolt reciprocating movement is driven during its reciprocating rotation, corresponding,
Dead bolt 6 is provided with vertically extending guide chute 61, with so that dead bolt 6 is with the insertion guide chute 61 of drive division 91
Between transmission arm drive division 91 formed crank block slider structure, facilitate intermediate transmission arm to be driven by drive division 91 when rotating forward
The activity on positive locking stroke of dead bolt 6, i.e. intermediate transmission arm drive dead bolt 6 to moving down when rotating forward using drive division 91
It is dynamic, facilitate intermediate transmission arm to pass through drive division 91 when rotating backward and drive the activity on reversely unblock stroke of dead bolt 6, i.e., it is middle
Transmission arm drives dead bolt 6 to move up when rotating backward using drive division 91.
In the present embodiment, for unlocking arm 11, the reciprocating rotation stroke of unlocking arm 11 includes the forward direction of swing backward
Stroke and the reverse pushing tow stroke for swinging forward are avoided, unlocking arm 11 is with facing forward for by entering in cabinet 3 from front to back
The pushing tow of breaker 2 with force unlocking arm swing backward preceding pushing tow avoid face 111, unlocking arm 11 also have backwards for by
The pushing tow of breaker 2 for moving from back to front with force unlocking arm swing forward so that drive dead bolt 6 reversely unblock stroke on move
Dynamic rear pushing tow solution locking face 112.
In fact, unlocking arm 11 is connected by one-way clutch transmission mechanism with intermediate transmission arm 9, one-way clutch herein is passed
Motivation structure drives intermediate transmission arm reverse in engagement state when unlocking arm 11 is located on reverse pushing tow stroke with by unlocking arm
Rotate, one-way clutch transmission mechanism is in disengaged condition when unlocking arm 11 is located at positive avoidance on stroke, in other words, in solution
Hammerlock is in when on reverse pushing tow stroke, and one-way clutch transmission mechanism is in engagement state, and the unlocking arm for swinging forward is in
Between transmission arm rotate backward, intermediate transmission arm is then moved up by drive division 91 with dead bolt 6, realize unblock；In unlocking arm
Avoided when on stroke in forward direction, one-way clutch transmission mechanism is in disengaged condition, and the unlocking arm of swing backward can not be in
Between transmission arm rotated, so, be effectively reduced breaker entrance resistance.
One-way clutch transmission mechanism herein specifically includes the transmission top towards unlocking arm 11 that intermediate transmission arm 9 is provided with
There is pushing surface 92, unlocking arm 11 pushing tow when unlocking arm is on reverse pushing tow stroke to be driven pushing tow face to drive intermediate transmission arm
9 rotate backward, transmission pushing tow face 92 are avoided when unlocking arm 11 is in positive avoidance on stroke to cause one-way clutch driver
Structure is in the unidirectional pushing part 113 of disengaged condition, and the front end of unidirectional pushing part 113 has planar end surface 114, and rear end face then has circle
Arc angle 115.
As shown in fig. 6, when breaker 2 is back into cabinet, the pushing tow unlocking arm 11 of breaker 2 force unlocking arm 11 to
After swing, unlocking arm is rotated counterclockwise, and the arc chord angle of unidirectional pushing part 113 is swung up, due to the avoidance of arc chord angle so that single
Transmission pushing tow face 92 from pushing tow intermediate transmission arm 9 to pushing part 113 that will not be on, intermediate transmission arm will not follow unlocking arm together to turn
It is dynamic.
As shown in fig. 7, when breaker 2 is to front door movement is forwardly toward, the pushing tow unlocking arm 11 of breaker 2 forces unblock
Arm 11 swings forward, i.e. clockwise direction in figure, the planar end surface 11 of unidirectional pushing part 113 be swung up and with intermediate transmission arm
On transmission pushing tow face 92 pushing tow coordinate, now, intermediate transmission arm can follow unlocking arm together to rotate clockwise, in fact, this
The rotation of place's intermediate transmission arm is to order about rotating backward for dead bolt unblock.
In fact, in the present embodiment, correspondence intermediate transmission arm 9 is provided with torsion spring 8, and torsion spring 8 is as elastic mechanism to centre
Transmission arm 9 applies the elastic acting force for forcing it to rotate forward, and for this case, torsion spring 8 causes the drive division of intermediate transmission arm 9
91 push dead bolt 6, that is to say, that in the present embodiment, and the elastic acting force that dead bolt elastic mechanism applies is with positive locking row
Activity in journey, realizes the locking to front door.
In addition, in the present embodiment, front door locking device is also included for the rear pushing tow solution in breaker 2 and unlocking arm 11
Drive the counter-rotational emergent unlocking structure of intermediate transmission arm 9 when locking face 112 departs from, the emergent unlocking structure is specially to be worn shape and exist
Trip lever 4 on cabinet 3, what trip lever 4 herein was oriented to is assemblied in the solution lockhole that cabinet 3 is provided with, tight when needing to carry out
During anxious unblock, pressure trip lever 4 is pressed downwards and is coordinated with the rear pushing tow of solution lock end 93 with intermediate transmission arm 9, can drive intermediate transmission arm 9
Rotate backward, and then drive dead bolt 6 to be moved on reversely unblock stroke, realize emergency release.
And, the lock on front door 1 includes the latch hook structure being folded upward at, and the trailing flank of lock front end is provided with before being tilted towards
The pushing tow inclined-plane 51 on top is extended to, before being turned off during door, latching 5 can be by the upward jack-up of dead bolt 6 to realize lock and dead bolt 6
Normal hook coordinate.In addition, when lock is moved into place, latching 5 and the lower end support limit of fixed plate 7, cabinet door is prevented
The problem of arrisdefect.
In addition, in the present embodiment, the cross-brace plate section for supporting lock 5 is provided with the lower section of dead bolt 6 in fixed plate 7
71, lock 5 towards the one end inside cabinet have be used for when front door is closed with cross-brace plate section pushing tow coordinate with will lock
Lead-in chamfered 52 above button guiding to cross-brace plate section.Because the hinge that front door is generally arranged using side realizes folding,
Because front door is heavier, easily there is the problem that arrisdefect is moved down, using the guiding of cross-brace plate section 71 and lock in fixed plate 7
The cooperation on inclined-plane 52, before being turned off during door, even there is the problem that arrisdefect is moved down in front door, and lead-in chamfered and transverse direction can also be used
, together with front door be lifted up lock using cross-brace plate section, it is ensured that the normal switching-off at front door by the cooperation of supporting plate section.
It should be noted that in specific design, to reduce the resistance of closing the door at front door, can be by the cross-brace plate of fixed plate
The position of section design more on the lower, does not occur in the case that arrisdefect moves down at front door, and as depicted in figs. 1 and 2, the guiding of lock is oblique
Face can not also be contacted with cross-brace plate section, only exist in the case that arrisdefect moves down at front door, and cross-brace plate section is just played
Corresponding thrusting action.
When using, when needing to be fitted into handcart type breaker in switch cubicle, it is possible to use the top pressure intermediate transmission of trip lever 4
Arm 9 is rotated backward to realize unblock operation, opens front door 1, during the breaker 2 of handcart-type pushed into cabinet 3, now, breaker 2
The swing backward of pushing tow unlocking arm 11, because the one-way clutch transmission mechanism being arranged between unlocking arm 11 and intermediate transmission arm is only capable of
Intermediate transmission arm 9 is driven to be rotated backward, so, intermediate transmission arm 9 will not cause any resistance to rotating forward for breaker
Power, breaker 2 can easily in access switch cabinet, also, after breaker 2 crosses unlocking arm 11, unlocking arm 11 is made in gravity
With lower automatic swing to unlocked position is treated, herein treat unlocked position for vertical position, to treat the breaker for moving from the front to the back
Top pressure is unlocked.
And, when breaker 2 moves past unlocking arm 11 towards operating position, in the torsion spring 8 as elastic mechanism
In the presence of, the forward direction of intermediate transmission arm 9 forces dead bolt 6 to move down and hooks cooperation with lock 5, to realize the lock to front door
Only.
When breaker 2 from the front to the back when being moved towards testing position by operating position, pushing tow unlocking arm 11 swings forward,
Unlocking arm 11 drives intermediate transmission arm 9 to rotate backward, and driven by intermediate transmission arm 9 moved on limiting plate with front door on lock
5 disengage, and realize unblock operation.
When breaker needs emergency release in operating position, pressure trip lever 4 can be pressed, centre is driven by trip lever 4
Transmission arm is rotated backward, and moved and realization unblock on limiting plate with being driven.
In the present embodiment, locking-unlocking mechanism includes unlocking arm, intermediate transmission arm and the limiting plate as dead bolt, at it
In his embodiment, locking-unlocking mechanism can also include the L-type connecting lever of one, and L-type connecting lever has vertically extending indulging
To connecting lever and the horizontal connecting lever that extends transversely, longitudinal connecting lever equivalent to unlocking arm, horizontal connecting lever equivalent to intermediate transmission arm and
Dead bolt, dead bolt herein can be directly integrally disposed upon on horizontal connecting lever, and L-type connecting lever herein can be assembled back and forth along the vertical direction
Two pushing tow inclined-planes can be set in cabinet, on longitudinal connecting lever, and utilize the self gravitation realization of L-type connecting lever to the lock at front door
Only, when breaker is moved from the front to the back, breaker by corresponding pushing tow inclined-plane can pushing tow L-type connecting lever move up to realize keeping away
Allow, after breaker crosses L-type connecting lever, under gravity, L-type connecting lever fall to realize locking, when breaker from the front to the back
When mobile, breaker can push away L-type connecting lever and move up to realize unblock by corresponding pushing tow sloped roof.
In the present embodiment, dead bolt is set with the split of intermediate transmission arm, and in other embodiments, dead bolt can also be passed with centre
Swing arm is wholely set.
In the present embodiment, rely primarily on elastic mechanism and drive intermediate transmission arm to rotate forward to carry out locking, in other realities
In applying example, it is also possible to which the weight-driven intermediate transmission arm for only relying on locking-unlocking mechanism rotates forward to carry out locking, Huo Zheli
Together drive intermediate transmission to rotate forward with gravity and elastic mechanism to force dead bolt to be on positive locking stroke.
The present invention also provides a kind of embodiment of front door of switch cabinet locking device, the front door locking device in the embodiment
Structure is identical with the structure of the front door locking device in above-mentioned switch cubicle embodiment, will not be repeated here.
Claims (10)
1. a kind of front door of switch cabinet locking device, including for the lock being arranged on cabinet front door and for being arranged on switch cubicle
In locking-unlocking mechanism, it is characterised in that：Locking-the unlocking mechanism includes being assemblied in switch cubicle for reciprocating movement
Dead bolt, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, and dead bolt is in its positive locking stroke
The positive activity of elastic acting force that upper dependence gravity and/or elastic mechanism apply hooks cooperation, dead bolt with corresponding with the lock
On its reversely unblock stroke for the breaker moved from back to front in by switch cubicle drive reverse activity with the lock
Disengage unblock.
2. front door of switch cabinet locking device according to claim 1, it is characterised in that：Locking-the unlocking mechanism includes
Unlocking arm for rolling assembling in switch cubicle, the reciprocating rotation stroke of unlocking arm includes that the positive of swing backward avoids stroke
The reverse pushing tow stroke for swinging forward, unlocking arm has facing forward for by the breaker top in access switch cabinet from front to back
Push away to force the preceding pushing tow of unlocking arm swing backward to avoid face, unlocking arm is also with backwards for disconnected by what is moved from back to front
Road device pushing tow swings forward and then drives the rear pushing tow unblock that the dead bolt is moved on reversely unblock stroke to force unlocking arm
Face.
3. front door of switch cabinet locking device according to claim 2, it is characterised in that：Locking-the unlocking mechanism is also wrapped
The intermediate transmission arm in switch cubicle for rolling assembling is included, intermediate transmission arm has the driving during its reciprocating rotation described
The drive division of dead bolt reciprocating movement, intermediate transmission arm is rotated forward and drives dead bolt in positive locking stroke with by the drive division
Upper activity, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, and intermediate transmission arm is rotated backward with by institute
State drive division and drive dead bolt activity on reversely unblock stroke, one-way clutch transmission mechanism is located at reverse pushing tow in unlocking arm
Intermediate transmission arm is driven to rotate backward with by unlocking arm in engagement state when on stroke, one-way clutch transmission mechanism is in unlocking arm
Disengaged condition is in when being avoided on stroke positioned at forward direction.
4. front door of switch cabinet locking device according to claim 3, it is characterised in that：In the rotation of the intermediate transmission arm
Heart axis is coaxial with the center of rotation axis of unlocking arm, and the one-way clutch transmission mechanism is provided with including the intermediate transmission arm
The direction unlocking arm transmission pushing tow face, the unlocking arm have unlocking arm be in reverse pushing tow stroke on when pushing tow pass
Dynamic pushing tow face avoids the transmission pushing tow to drive intermediate transmission arm to rotate backward, when unlocking arm is in positive avoidance on stroke
Face is with so that one-way clutch transmission mechanism is in the unidirectional pushing part of disengaged condition.
5. front door of switch cabinet locking device according to claim 3, it is characterised in that；Front door of switch cabinet locking device also includes
For the rear pushing tow unblock emaciated face in breaker and the unlocking arm from when drive the counter-rotational emergency release of intermediate transmission arm
Structure.
6. the front door of switch cabinet locking device according to claim 3 or 4 or 5, it is characterised in that：The dead bolt is for edge
Above-below direction guiding movement is assemblied in the limiting plate in switch cubicle, the limiting plate be provided with it is vertically extending and with it is described in
Between the drive division inserting of transmission arm slided with the guiding that the drive division for causing limiting plate and intermediate transmission arm forms crank block slider structure
Groove.
7. a kind of switch cubicle, including cabinet and front door, being provided with cabinet can be back into can move back in cabinet and from cabinet forward
The breaker for going out, switch cubicle also includes the locking device for carrying out locking to front door, and locking device includes being arranged on front door
Lock and locking-unlocking mechanism for being arranged in cabinet, it is characterised in that：Locking-the unlocking mechanism includes reciprocating movement
The dead bolt in cabinet is assemblied in, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, and dead bolt is at it
Relied on positive locking stroke the positive activity of elastic acting force that gravity and/or elastic mechanism apply with the corresponding hook of the lock
Hang and coordinate, dead bolt drives reverse activity with de- with the lock on its reversely unblock stroke by the breaker for moving from back to front
Unwind lock.
8. switch cubicle according to claim 7, it is characterised in that：Locking-the unlocking mechanism includes rolling assembling in cabinet
Unlocking arm in body, the reciprocating rotation stroke of unlocking arm includes the positive reverse top for avoiding stroke and swinging forward of swing backward
Carry out journey, unlocking arm have it is facing forward for by back into the breaker pushing tow in cabinet to force unlocking arm swing backward
Preceding pushing tow avoids face, unlocking arm also have backwards for by the breaker pushing tow for moving from back to front to force unlocking arm forward
The rear pushing tow solution locking face for swinging and then driving the dead bolt to be moved on reversely unblock stroke.
9. switch cubicle according to claim 8, it is characterised in that：Locking-the unlocking mechanism also exists including rolling assembling
Intermediate transmission arm in cabinet, intermediate transmission arm has the driving that the dead bolt reciprocating movement is driven during its reciprocating rotation
Portion, intermediate transmission arm is rotated forward and drives dead bolt activity, intermediate transmission arm on positive locking stroke with by the drive division
Rotate backward and drive dead bolt activity on reversely unblock stroke with by the drive division, unlocking arm is passed by one-way clutch
Motivation structure is connected with intermediate transmission arm, and one-way clutch transmission mechanism is in joint shape when unlocking arm is located on reverse pushing tow stroke
State drives intermediate transmission arm to rotate backward with by unlocking arm, and one-way clutch transmission mechanism is located at positive avoidance on stroke in unlocking arm
When be in disengaged condition.
10. the switch cubicle according to claim 7 or 8 or 9, it is characterised in that：Fixed plate, the lock are provided with the cabinet
Only-unlocking mechanism is arranged in the fixed plate, and movement is assemblied in fixed plate to the dead bolt of locking-unlocking mechanism along the vertical direction
On, be provided with the cross-brace plate section for supporting the lock in dead bolt lower section in fixed plate, the lock towards cabinet
The one end in portion has for being guided to cross-brace with by lock with the section pushing tow cooperation of cross-brace plate when front door is closed in vivo
Lead-in chamfered above plate section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128328.5A CN106848900B (en) | 2017-03-06 | 2017-03-06 | Front door of switch cabinet locking device and the switchgear for using the locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128328.5A CN106848900B (en) | 2017-03-06 | 2017-03-06 | Front door of switch cabinet locking device and the switchgear for using the locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848900A true CN106848900A (en) | 2017-06-13 |
| CN106848900B CN106848900B (en) | 2019-03-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128328.5A Active CN106848900B (en) | 2017-03-06 | 2017-03-06 | Front door of switch cabinet locking device and the switchgear for using the locking device |
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| Country | Link |
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| CN (1) | CN106848900B (en) |
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| CN108012484A (en) * | 2017-12-22 | 2018-05-08 | 重庆酋创科技有限公司 | A kind of communication machine box |
| CN108092173A (en) * | 2018-01-24 | 2018-05-29 | 广东友源电气有限公司 | A kind of switchgear duplex Bidirectional interlocking mechanism |
| CN109160140A (en) * | 2018-09-29 | 2019-01-08 | 徐州徐工环境技术有限公司 | Valve system and refuse compaction equipment |
| CN114084031A (en) * | 2017-12-29 | 2022-02-25 | 上海电巴新能源科技有限公司 | Lock assembly |
| WO2023273261A1 (en) * | 2021-06-29 | 2023-01-05 | 合肥美的电冰箱有限公司 | Locking assembly, drawer assembly and storage cabinet |
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| WO2023273261A1 (en) * | 2021-06-29 | 2023-01-05 | 合肥美的电冰箱有限公司 | Locking assembly, drawer assembly and storage cabinet |
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