CN105244207B - A kind of switchgear interlock and the interlocked switchgear cabinet with it - Google Patents
A kind of switchgear interlock and the interlocked switchgear cabinet with it Download PDFInfo
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- CN105244207B CN105244207B CN201510679110.XA CN201510679110A CN105244207B CN 105244207 B CN105244207 B CN 105244207B CN 201510679110 A CN201510679110 A CN 201510679110A CN 105244207 B CN105244207 B CN 105244207B
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- Prior art keywords
- breaker
- mandril
- blocking portion
- switchgear
- stopper
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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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- Electromagnetism (AREA)
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Abstract
The present invention provides a kind of switchgear interlock and the interlocked switchgear cabinet with it, wherein switchgear interlock is suitable for being arranged between the first breaker and the second breaker being mounted side by side, it specifically includes: mandril, mounting structure for being axially displaceably mounted on mandril on switchgear, and it is fixed at the first stopper on the first breaker, and the second stopper being fixed on the second breaker.Switchgear interlock of the invention is not only simple in structure, it is easy for installation, and when in use, push any one breaker closing, mandril can all be installed in the promotion of the stopper on the breaker, be moved on the combined floodgate path of another breaker, to be automatically prevented from another breaker closing, securely and reliably, thus use is also very convenient.
Description
Technical field
The present invention relates to switchgear interlock and interlocked switchgear cabinet technical fields, and in particular to a kind of switchgear interlocking knot
Structure and interlocked switchgear cabinet with it.
Background technique
In secondary distribution network, dual power supply (i.e. common power supply and backup power source) using more and more extensive.In order to protect
Each card is at most load supplying only with a power supply, and people start that interlock, interlock is arranged in inside switch cabinet
Effect be: when common power supply be load supplying when, interlock limit backup power source closing operation, make backup power source only
It can be in gate-dividing state, cannot be load supplying；When backup power source is load supplying, interlock limits the conjunction of common power supply
Lock operation makes common power supply that can only be in gate-dividing state, cannot be load supplying.
Chinese patent literature CN2472327Y discloses the mechanical interlocks between a kind of adjacent switch cabinet, as shown in Figure 1,
The left and right cabinet body 02,014 of breaker is respectively arranged in cabinet body, the left and right intracorporal breaker of two cabinets is controlled by mechanical interlocks,
Mechanical interlocks includes the shaft 017 of fixed setting, and the linking lever 018 being rotatably set in shaft 017 is fixed to set
The supporting plate 03,015 at 018 both ends of linking lever is set, is respectively provided on supporting plate 03,015 for the insertion of blocking lever 07,012
Through-hole, blocking lever 07,012 are threaded through on guide sleeve 05,010 and can move up and down in its inner cavity, on blocking lever 07,012
Equipped with the blocking portion 021 being located above through-hole, slipped downwards for preventing, guide sleeve 05,010 is separately fixed at left 02 and of cabinet body
On right cabinet body 014, spring 04 and spring 013, linking lever are further respectively had between blocking portion 021 and guide sleeve 05,010 bottom
018 both ends are also fixed with driving plate 08,09 by shaft 01,016 respectively.When needing to lock the breaker in right cabinet door,
It operates handcart (not shown) and pushes driving plate 08, and then push linkage lever 018 to make its 017 rotation around the shaft, spring 04
It upholds, spring 013 compresses, and then is pierced by blocking lever 012 upwards from 010 inside of fixing sleeve, by right cabinet door forward operation axis 011
Locking, so that the breaker in right cabinet door be made to cannot be introduced into operating position；When needing to lock the breaker in left cabinet door, behaviour
Make handcart (not shown) and push driving plate 09, and then push linkage lever 018 to make its 017 rotation around the shaft, spring 013 stretches
, spring 04 compresses, and then is pierced by blocking lever 07 upwards from 05 inside of fixing sleeve, right cabinet door forward operation axis 06 is locked,
To make the breaker in right cabinet door cannot be introduced into operating position.
Mechanical interlocks in above patent document can respectively lock the breaker in left cabinet door or right cabinet door, make
It cannot be introduced into operating position, to guarantee an at most only breaker closing job, however know it by above-mentioned introduction
Structure is complicated, uses and install inconvenience, and installs above-mentioned interlock in the cabinet door of middle-placed switch cabinet and also result in cabinet door knot
Structure is complicated.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome in the prior art interlock structure it is complicated, using with
Inconvenient technological deficiency is installed, to provide, a kind of structure is simple, using with switchgear interlock easy for installation.
The present invention also provides a kind of interlocked switchgear cabinets with above-mentioned interlock.
For this purpose, the present invention provides a kind of switchgear interlock, suitable for the first breaker being mounted side by side and is arranged in
Between two breakers, include:
Mandril has main part, and the first blocking portion and the second blocking portion positioned at the main part axial ends；
Mounting structure for the mandril to be mounted on switchgear, and enables the mandril along the main part axis
To moving back and forth；
First stopper can follow opening for first breaker suitable for being fixed on first breaker
Feed motion and move back and forth, and have first blocking surface opposite with first blocking portion；
Second stopper can follow opening for second breaker suitable for being fixed on second breaker
Feed motion and move back and forth, and have second blocking surface opposite with second blocking portion；
When first breaker is in closing position, the mandril is in first position, at this time first blocking portion
It is resisted against on first blocking surface, second blocking portion is extend out on the combined floodgate path of second stopper, passes through resistance
Only second stopper is mobile and then second breaker is prevented to be moved to closing position；
When second breaker is in closing position, the mandril is in the second position, at this time second blocking portion
It is resisted against on second blocking surface, first blocking portion is extend out on the combined floodgate path of first stopper, passes through resistance
Only first stopper is mobile and then first breaker is prevented to be moved to closing position.
As a preferred embodiment, first stopper has the first inclined-plane or the first cambered surface, in first open circuit
When device closes a floodgate, first inclined-plane or the first cambered surface contact with first blocking portion and gradually push the mandril to described the
Two blocking portion directions are mobile, and guide first blocking portion to described first when first breaker closing finishes
Blocking surface is connected；And/or
Second stopper has the second inclined-plane or the second cambered surface, in second breaker closing, described second
Inclined-plane or the second cambered surface contact with second blocking portion and gradually push the mandril mobile to first blocking portion direction,
And second blocking portion is guided to second blocking surface when second breaker closing finishes and is connected.
As a preferred embodiment, first blocking portion has the first arc contact surface, closes in first breaker
When lock, first stopper gradually pushes the mandril to described under the guiding function of first arc contact surface
Two blocking portion directions are mobile, and make first arc contact surface and first resistance when first breaker closing finishes
Block face is connected；And/or
Second blocking portion has the second arc contact surface, and in second breaker closing, described second stops
Block and the second arc contact face contact push the mandril mobile to first blocking portion direction, and disconnected described second
Second arc contact surface is guided to second blocking surface when finishing and is connected by road device combined floodgate.
It as a preferred embodiment, further include the elastic connection structure for connecting the mounting structure and the mandril；It is described
In a free state, the mandril is in the first position and perhaps the second position or is located at elastic connection structure
The third place between the first position and the second position.
As a preferred embodiment, the elastic connection structure includes the elastic component being set on the main part, and institute
State one end of elastic component against or be fixed on the mounting structure, the other end against or be fixed on the mandril.
As a preferred embodiment, the mounting structure includes the fixing sleeve being set on the main part, and by institute
State the fixed structure that fixing sleeve is fixedly mounted on the switchgear.
As a preferred embodiment, the fixed structure includes being arranged on the switchgear to pass through suitable for the fixing sleeve
Fixed hole, the external screw thread on the fixing sleeve lateral wall is set, and is spirally connected from the both ends of the fixing sleeve, by institute
State two fixture nuts that fixing sleeve is fixed on the switchgear.
As a preferred embodiment, be equipped with annular flange inside the fixing sleeve, described one end of the elastic component against
In the annular flange.
It as a preferred embodiment, further include the threaded hole being arranged on the main part, it is opposite with the threaded hole to set
Set long through-hole on the fixing sleeve and axially extending along the main part, and pass through after the long through-hole with the screw thread
Hole is spirally connected, thus the caging bolt limited to the movement of the main part；The other end of the elastic component is resisted against
On the caging bolt.
The present invention also provides a kind of interlocked switchgear cabinet, including being equipped with the first switch cabinet of the first breaker, and it is equipped with
The second switch cabinet of second breaker is equipped with above-mentioned switch on the first switch cabinet and/or the second switch cabinet
Cabinet interlock.
Switchgear interlock provided by the invention and interlocked switchgear cabinet, have the advantage that
1. switchgear interlock of the invention, mandril can be mounted on switch with moving back and forth along axial direction by mounting structure
On cabinet, the first stopper, which is mounted on, on the first breaker and can follow the switching of the first breaker to act and move, the second resistance
Block, which is mounted on, on the second breaker and can follow the switching of the second breaker to act and move, and be in and close in the first breaker
When gate position, mandril is in first position, and the first blocking portion is resisted against on the first blocking surface at this time, and the second blocking portion extend out to
On the combined floodgate path of two stoppers, at this time if taking closing operation to the second breaker, the second blocking portion can be hindered second
Block is stopped, and makes the second breaker that can not close a floodgate；Likewise, mandril is in when the second breaker is in closing position
The second position, the second blocking portion is resisted against on the second blocking surface at this time, and the first blocking portion extend out to the combined floodgate road of the first stopper
On diameter, at this time if taking closing operation to the first breaker, the first blocking portion can stop the first stopper, make
One breaker can not close a floodgate；Therefore, switchgear interlock of the invention can not only guarantee that at most only a breaker closes
Lock work, and structure is simple, it is easy for installation；
When in use, any one breaker closing is pushed, the stopper that mandril can be all installed on the breaker pushes away
It is dynamic, it is moved on the combined floodgate path of another breaker, to be automatically prevented from another breaker closing, securely and reliably, therefore
It is very easy to use.
2. switchgear interlock of the invention, there is the first inclined-plane or the first cambered surface on the first stopper, it is disconnected first
When road device closes a floodgate, the first inclined-plane or the first cambered surface contact with the first blocking portion and gradually push mandril to one sidesway of the second blocking portion
It is dynamic, and so that the first blocking portion is connected with the first blocking surface when the first breaker closing finishes, stretch out the second blocking portion
To the combined floodgate path of the second stopper, since the second blocking portion at this time cannot be mobile to the first blocking portion side, thus energy
Enough the second breaker closings of prevention；The setting of first inclined-plane or the first cambered surface is so that the first stopper is gentle to the promotion of mandril
It is smooth；The effect that the second inclined-plane or the second cambered surface are arranged on the second stopper is similar.
3. switchgear interlock of the invention, there is the first arc contact surface, in the first breaker on the first blocking portion
When combined floodgate, the first stopper gradually pushes mandril to one sidesway of the second blocking portion under the guiding function of the first arc contact surface
It is dynamic, and so that the first arc contact surface is connected with the first blocking surface when the first breaker closing finishes, make the second blocking portion
It extend out on the combined floodgate path of the second stopper, since the second blocking portion at this time cannot be mobile to the first blocking portion side, because
And the second breaker closing can be prevented well；The effect that the second arc contact surface is arranged on the second blocking portion is similar.
4. switchgear interlock of the invention further includes the elastic connection structure for connecting mandril and mounting structure, in bullet
Property connection structure in a free state, so that mandril is in first position or the second position, or be located at first position and second
The third place between setting；It is advantageous in that, if the first breaker control is common power supply, at elastic connection structure
When free state, mandril is made to be in first position, then the switching operation of the first breaker will not all drive the left and right of mandril
It is mobile, and only can just drive mandril mobile when controlling the second breaker switching of backup power source, it can be avoided top in this way
The frequent movement of bar, advantageously reduces the probability for run-time error occur, and be conducive to extend service life.
5. switchgear interlock of the invention, elastic component are set on main part, restore after elastic component compression to certainly
When by state, it can axially be moved along main part to move mandril, avoid deviating.
6. switchgear interlock of the invention, mounting structure includes the fixing sleeve being set on main part, and will be consolidated
Cover the fixed structure being mounted on switchgear calmly, fixing sleeve can not only based on fixed installation effect is provided, moreover it is possible to be it
Guiding, can move back and forth along axial direction.
7. switchgear interlock of the invention, fixed structure includes being located to be suitable for the fixation that fixing sleeve passes through on switchgear
Through-hole is arranged in the external screw thread on fixing sleeve lateral wall, and is spirally connected from the both ends of fixing sleeve, so that fixing sleeve is fixed on out
Close two fixture nuts on cabinet；Fixing sleeve easily can be fixed on switchgear side wall or door-plate by this kind of fixed structure
On, and when needing for fixing sleeve to be fixed on two adjacent switchgears, it can be on the adjacent wall of two switchgears
Above-mentioned fixed hole is opened up simultaneously, is installed simple and convenient.
8 switchgear interlocks of the invention, main part are equipped with threaded hole, and fixing sleeve is equipped with axially to be prolonged along main part
The long through-hole stretched is equipped with caging bolt with screw hole across long through-hole, the part-structure can movement to mandril into
Row limit, can not only prevent it from rotating by shaft of own axes, moreover it is possible to which auxiliary guiding enables mandril along main part axial direction
Accurate movement.
9. the present invention also provides a kind of interlocked switchgear cabinet, the first switch cabinet including being equipped with the first breaker, and installation
There is the second switch cabinet of the second breaker, above-mentioned switchgear interlocking is installed on first switch cabinet and/or second switch cabinet
Structure since interlocked switchgear cabinet provided by the invention is equipped with above-mentioned interlock, thus has because installing above-mentioned interlocking knot
All advantages brought by structure.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the prior art or the specific embodiment of the invention, below to existing skill
Attached drawing used in art or specific embodiment description is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of adjacent switch cabinet room machine interlock in the prior art.
When Fig. 2 is that mandril is in first position in embodiment 1, the overall structure of first switch cabinet and second switch cabinet is illustrated
Figure.
Fig. 3 is the A-A direction view of Fig. 2.
Fig. 4 is the structure enlargement diagram of part A in Fig. 3.
Fig. 5 is the assembled relation figure of mandril, fixing sleeve, elastic component, fixture nut and caging bolt.
When Fig. 6 is that mandril is in the second position in embodiment 1, the overall structure of first switch cabinet and second switch cabinet is illustrated
Figure.
Fig. 7 is the B-B direction view of Fig. 6.
Fig. 8 is the structure enlargement diagram of part B in Fig. 7.
When Fig. 9 is that mandril is in the third place in embodiment 1, the overall structure of first switch cabinet and second switch cabinet is illustrated
Figure.
Figure 10 is the C-C direction view of Fig. 9.
Figure 11 is the structure enlargement diagram of C portion in Figure 10.
Appended drawing reference: 01- shaft, the left cabinet body of 02-, 03- supporting plate, 04- spring, 05- guide sleeve, 06- operating shaft, 07- connection
Locking bar, 08- driving plate, 09- driving plate, 010- guide sleeve, 011- operating shaft, 012- blocking lever, 013- spring, the right cabinet of 014-
Body, 015- supporting plate, 016- shaft, 017- shaft, 018- linking lever, 021- blocking portion；
The first breaker of 1-, 10- first switch cabinet, the first stopper of 11-, the first blocking surface of 12-, the second breaker of 2-,
20- second switch cabinet, the second stopper of 21-, the second blocking surface of 22-, the second inclined-plane 23-, 3- mandril, 30- main part, 31-
One blocking portion, the second blocking portion of 32-, the first arc contact surface of 33-, 34- threaded hole, 4- elastic component, 5- fixing sleeve, 51- are fixed
Through-hole, 52- external screw thread, 53- fixture nut, 54- annular flange, 55- long through-hole, 6- caging bolt.
Specific embodiment
Technical solution of the present invention is described with reference to the accompanying drawings of the specification, it is clear that following embodiments is not this
Invent whole embodiments.Based on embodiment described in the invention, those of ordinary skill in the art are not making other wounds
Every other embodiment obtained under the premise of the property made labour, belongs to protection scope of the present invention.
It should be noted that in the description of the present invention, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.In addition, technology involved in invention described below different embodiments
Feature can be combined with each other as long as they do not conflict with each other.
Embodiment 1
The present embodiment provides a kind of switchgear interlocks.As shown in Figure 2-5, the first breaker 1 is mounted on first switch
In cabinet 10, the second breaker 2 is mounted in second switch cabinet 20, and the first breaker 1 and the second breaker 2 are in the horizontal direction
It is mounted side by side.
The switchgear interlock of the present embodiment is suitable for being arranged between above-mentioned first breaker 1 and the second breaker 2, tool
Body includes: mandril 3, has main part 30, and stop positioned at the first blocking portion 31 and second of 30 axial ends of main part
Portion 32；Mounting structure for the mandril 3 to be mounted on first switch cabinet 10 and second switch cabinet 20, and makes the mandril 3
Can axially it move back and forth along the main part 30；First stopper 11, suitable for being fixed on first breaker 1,
The switching of first breaker 1 can be followed to act and move back and forth (Fig. 4, which shows, to be moved up and down), and had and described first
The first opposite blocking surface 12 of blocking portion 31；Second stopper 21 can suitable for being fixed on second breaker 2
It follows the switching of second breaker 2 to act and move back and forth (Fig. 4, which shows, to be moved up and down), and has and stop with described second
The second opposite blocking surface 22 of portion 32.
As shown in figure 4, the mandril 3 is in first position, at this time institute when first breaker 1 is in closing position
It states the first blocking portion 31 to be resisted against on first blocking surface 12, second blocking portion 32 extend out to second stopper 21
Combined floodgate path on, by preventing second stopper 21 movement that second breaker 2 is prevented to be moved to closing position
It sets.
As shown in figs 6-8, when second breaker 2 is in closing position, the mandril 3 is in the second position, at this time
Second blocking portion 32 is resisted against on second blocking surface 22, and first blocking portion 31 extend out to first stopper
On 1 combined floodgate path, by preventing the movement of the first stopper 11 that first breaker 1 is prevented to be moved to closing position
It sets.
The switchgear interlock of the present embodiment, when the first breaker 1 is in closing position, mandril 3 is in first
It sets, the first blocking portion 31 is resisted against on the first blocking surface 12 at this time, and the second blocking portion 32 extend out to the combined floodgate of the second stopper 21
It, can be since the second blocking portion 32 be for the second stopper 21 at this time if taking closing operation to the second breaker 2 on path
Blocking, and make the second breaker 2 that can not close a floodgate (as shown in Figure 4)；Likewise, when the second breaker 2 is in closing position,
Mandril 3 is in the second position, and the second blocking portion 32 is resisted against on the second blocking surface 22 at this time, and the first blocking portion 31 extend out to first
It, can be right due to the first blocking portion 31 at this time if taking closing operation to the first breaker 1 on the combined floodgate path of stopper 11
In the blocking of the first stopper 11, make the first breaker 1 that can not close a floodgate (as shown in Figure 8)；Therefore, the switchgear connection of the present embodiment
Lock construction can guarantee an at most only breaker closing job, and structure is simple, easy for installation.
When in use, any one breaker closing is pushed, the stopper that mandril 3 can be all installed on the breaker pushes away
It is dynamic, it is moved on the combined floodgate path of another breaker, to be automatically prevented from another breaker closing, securely and reliably, therefore
It is very easy to use.
It should be pointed out that the switchgear interlock in the present embodiment, when the first breaker 1 and the second breaker 2 are pacified
When mounted in the same inside switch cabinet, interlock is fixedly mounted on the switchgear；When the first breaker 1 and the second breaker
2 when being separately mounted to different inside switch cabinets, and interlock is mounted on simultaneously on two switchgears.
As shown in Figure 4 and Figure 8, the second stopper 21 has the second inclined-plane 23, and when the second breaker 2 closes a floodgate, second tiltedly
Face 23 contacts with the second blocking portion 32 and gradually pushes mandril 3 mobile to 31 direction of the first blocking portion, and closes in the second breaker 2
The guidance of the second blocking portion 32 is extremely connected with second blocking surface 22 when lock finishes.The setting on the second inclined-plane 23 is so that
Two stoppers 21 are gently smooth for the promotion of mandril 3.Second inclined-plane 23 can also be designed to arc surfaced, be equally reached
State purpose.
As a kind of deformation scheme, first inclined-plane is set on the first stopper 11, it may have similar advantage, it may be assumed that the
One stopper 11 has the first inclined-plane, and when the first breaker 1 closes a floodgate, the first inclined-plane is contacted with the first blocking portion 31 and gradually pushed away
Dynamic mandril 3 is mobile to 32 direction of the second blocking portion, and when the first breaker 1 combined floodgate is finished by the guidance of the first blocking portion 31 to
First blocking surface 12 is connected；Likewise, the first inclined-plane can also be designed to arc surfaced.
As shown in Figure 4 and Figure 8, the first blocking portion 31 has the first arc contact surface 33, when the first breaker 1 closes a floodgate,
First stopper 11 gradually pushes mandril 3 to move to 32 direction of the second blocking portion under the guiding function of the first arc contact surface 33
It is dynamic, and so that the first arc contact surface 33 is connected with the first blocking surface 12 when the first breaker 1 combined floodgate finishes.First circular arc
The setting of contact surface 33 can equally make the first stopper 11 for the promotion smooth of mandril 3.
As a kind of deformation scheme, arc-shaped contact surface can also be set on the second blocking portion 32, it may be assumed that the second blocking portion
32 have the second arc contact surface, and when the second breaker 2 closes a floodgate, the second stopper 21 and the second arc contact face contact are pushed
Mandril 3 is mobile to 31 direction of the first blocking portion, and when the second breaker 2 combined floodgate is finished by the second arc contact surface guide to
Second blocking surface 22 is connected.The setting of second arc contact surface can equally make the second pushing away for mandril 3 of stopper 21
Dynamic smooth.
As shown in figure 4, mounting structure includes the fixing sleeve 5 being set on main part 30, and fixing sleeve 5 is fixedly mounted
Fixed structure on the switchgear.The fixed structure includes while being arranged in first switch cabinet 10 and second switch cabinet 20
The upper fixed hole 51 passed through suitable for fixing sleeve 5, is arranged in the external screw thread 52 on 5 lateral wall of fixing sleeve, and from fixing sleeve 5
Both ends are spirally connected, two fixture nuts 53 fixing sleeve 5 being fixed on first switch cabinet 10 and second switch cabinet 20.
As illustrated in figures 4-5, further include the threaded hole 34 being arranged on main part 30, be oppositely arranged on fixation with threaded hole 34
On set 5 and the long through-hole 55 axially extending along main part 30, and it is spirally connected after long through-hole 55 with threaded hole 34, thus to master
The caging bolt 6 that the movement in body portion 30 is limited.
It further include the elastic connection structure for being connected and fixed set 5 and mandril 3, elastic connection structure includes being set in the main body
Elastic component 4 in portion 30, annular flange 54 is equipped with inside the fixing sleeve 5, and described one end of the elastic component 4 is resisted against described
In annular flange 54, the other end is resisted against on the caging bolt 6.
In the present embodiment, as shown in figs. 9-11, elastic component 4 in a free state, mandril 3 be in first position and
The third place (as shown in figure 11) between the second position.
Those skilled in the art can according to need adjustment, so that working as elastic connection structure in a free state, make
Mandril 3 is in first position or the second position, is advantageous in that, if the control of the first breaker 1 is common power supply, works as bullet
Property connection structure in a free state, so that mandril 3 is in first position, then the first breaker 1 switching operation all will not
Driving mandril 3 moves left and right, and only can just drive mandril 3 to move when controlling the second 3 switching of breaker of backup power source
It is dynamic, it can be avoided the frequent movement of mandril 3 in this way, advantageously reduce the probability for run-time error occur, and be conducive to extend use
Service life.
The mistake that the first breaker 1 and the second breaker 2 are interlocked using the switchgear interlock in the present embodiment
Journey is as follows:
It is in when opening a sluice gate state in the first breaker 1 and the second breaker 2, i.e., shown in diagram 9-11, at this time at mandril 3
In the third place.
When pushing the first breaker 1 to close a floodgate, as in Figure 2-4, the first stopper 11 follows the first breaker 1 along Fig. 4
The top shown is mobile, and in moving process, the first stopper 11 is contacted with the first arc-shaped contact surface 33, and gradually pushes mandril
3 is mobile to 32 side of the second blocking portion, and when the first breaker 1 combined floodgate finishes, the first arc-shaped contact surface 33 is just resisted against the
On one blocking surface 12, the second blocking portion 32 is placed exactly on the combined floodgate path of the second stopper 21, is limited the second breaker 2, is made
It cannot close a floodgate；In the process, mandril 3 is moved to first position by the third place.
When pushing the second breaker 1 to close a floodgate, as shown in figs 6-8, the second stopper 21 follows the second breaker 2 along Fig. 8
The top shown is mobile, and in moving process, the second inclined-plane 23 of the second stopper 21 is contacted with the second blocking portion 32, and is gradually pushed away
Dynamic mandril 3 is mobile to 31 side of the first blocking portion, and when the second breaker 2 combined floodgate finishes, the second blocking portion 32 is just resisted against the
On two blocking surfaces 22, the first blocking portion 31 is placed exactly on the combined floodgate path of the first stopper 11, is limited the first breaker 1, is made
It cannot close a floodgate；In the process, mandril 3 is moved to the second position by the third place.
Embodiment 2
The present embodiment provides a kind of interlocked switchgear cabinets, the first switch cabinet 10 including being equipped with the first breaker 1, and installation
There is the second switch cabinet 20 of the second breaker 2, is equipped on first switch cabinet 10 and second switch cabinet 20 as in embodiment 1
Switchgear interlock.
Since interlocked switchgear cabinet provided in this embodiment is equipped with above-mentioned interlock, thus have above-mentioned because installing
All advantages brought by lock construction.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (5)
1. a kind of switchgear interlock, suitable for be arranged in the first breaker (1) being mounted side by side and the second breaker (2) it
Between, it is characterised in that: including
Mandril (3) has main part (30), and is located at first blocking portion (31) and second of the main part (30) axial ends
Blocking portion (32)；
Mounting structure for the mandril (3) to be mounted on switchgear, and makes the mandril (3) can be along the main part
(30) axial to move back and forth；
First stopper (11) can follow first breaker suitable for being fixed on first breaker (1)
(1) switching acts and moves back and forth, and has first blocking surface (12) opposite with first blocking portion (31)；
Second stopper (21) can follow second breaker suitable for being fixed on second breaker (2)
(2) switching acts and moves back and forth, and has second blocking surface (22) opposite with second blocking portion (32)；
When first breaker (1) is in closing position, the mandril (3) is in first position, and described first stops at this time
Portion (31) is resisted against on first blocking surface (12), and second blocking portion (32) extend out to second stopper (21)
On combined floodgate path, by preventing the second stopper (21) movement that second breaker (2) is prevented to be moved to combined floodgate
Position；
When second breaker (2) is in closing position, the mandril (3) is in the second position, and described second stops at this time
Portion (32) is resisted against on second blocking surface (22), and first blocking portion (31) extend out to first stopper (11)
On combined floodgate path, by preventing the first stopper (11) movement that first breaker (1) is prevented to be moved to combined floodgate
Position；
It further include the elastic connection structure for connecting the mounting structure and the mandril (3)；First breaker (1) control is normal
With power supply, in a free state, the mandril (3) is in the first position to the elastic connection structure, then the first open circuit
The switching operation of device (1) does not drive moving left and right for mandril (3), only in the second breaker (2) folding of control backup power source
Just driving mandril (3) is mobile when lock, thus avoids the frequent movement of mandril (3)；
The elastic connection structure includes the elastic component (4) that is set on the main part (30), and the one of the elastic component (4)
End against or be fixed on the mounting structure, the other end against or be fixed on the mandril (3)；
The mounting structure includes the fixing sleeve (5) being set on the main part (30), and the fixing sleeve (5) are fixed
The fixed structure being mounted on the switchgear；
Annular flange (54) are equipped with inside the fixing sleeve (5), described one end of the elastic component (4) is resisted against the convex annular
On edge (54)；
Further include the threaded hole (34) being arranged on the main part (30), is oppositely arranged on the threaded hole (34) described solid
On fixed set (5) and the long through-hole (55) axially extending along the main part (30), and pass through the long through-hole (55) afterwards and institute
It states threaded hole (34) to be spirally connected, thus the caging bolt (6) for limiting the movement of the main part (30)；The elastic component
(4) the other end is resisted against on the caging bolt (6).
2. switchgear interlock according to claim 1, it is characterised in that:
First stopper (11) has the first inclined-plane or the first cambered surface, when first breaker (1) is closed a floodgate, described the
One inclined-plane or the first cambered surface contact with first blocking portion (31) and gradually push the mandril (3) to second blocking portion
(32) direction is mobile, and when first breaker (1) is closed a floodgate and is finished will first blocking portion (31) guidance extremely with it is described
First blocking surface (12) is connected；And/or
Second stopper (21) has the second inclined-plane (23) or the second cambered surface, when second breaker (2) is closed a floodgate, institute
The second inclined-plane (23) or the second cambered surface is stated to contact with second blocking portion (32) and gradually push the mandril (3) to described
One blocking portion (31) direction is mobile, and guides second blocking portion (32) when second breaker (2) is closed a floodgate and finished
Extremely it is connected with second blocking surface (22).
3. switchgear interlock according to claim 1, it is characterised in that:
First blocking portion (31) has the first arc contact surface (33), when first breaker (1) is closed a floodgate, described the
One stopper (11) gradually pushes the mandril (3) to described under the guiding function of first arc contact surface (33)
Two blocking portions (32) direction is mobile, and makes first arc contact surface (33) when first breaker (1) is closed a floodgate and finished
It is connected with first blocking surface (12)；And/or
Second blocking portion (32) has the second arc contact surface, when second breaker (2) is closed a floodgate, second resistance
Block (21) and the second arc contact face contact push the mandril (3) mobile to the first blocking portion (31) direction,
And second breaker (2) close a floodgate finish when by second arc contact surface guide to second blocking surface (22)
It is connected.
4. switchgear interlock according to claim 1, it is characterised in that: the fixed structure includes being arranged described
It is suitable for the fixed hole (51) that the fixing sleeve (5) pass through, the outer spiral shell being arranged on the fixing sleeve (5) lateral wall on switchgear
Line (52), and be spirally connected from the both ends of the fixing sleeve (5), two fixing sleeve (5) is fixed on the switchgear
A fixture nut (53).
5. a kind of interlocked switchgear cabinet, including being equipped with the first switch cabinet (10) of the first breaker (1), and the second open circuit is installed
The second switch cabinet (20) of device (2), it is characterised in that: in the first switch cabinet (10) and/or the second switch cabinet (20)
Upper installation is just like switchgear interlock of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679110.XA CN105244207B (en) | 2015-10-19 | 2015-10-19 | A kind of switchgear interlock and the interlocked switchgear cabinet with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679110.XA CN105244207B (en) | 2015-10-19 | 2015-10-19 | A kind of switchgear interlock and the interlocked switchgear cabinet with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105244207A CN105244207A (en) | 2016-01-13 |
| CN105244207B true CN105244207B (en) | 2019-01-08 |
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ID=55041808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510679110.XA Active CN105244207B (en) | 2015-10-19 | 2015-10-19 | A kind of switchgear interlock and the interlocked switchgear cabinet with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244207B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200962394Y (en) * | 2006-10-25 | 2007-10-17 | 遵义长征电器开关设备有限责任公司 | Dual power switching mechanical interlock device of middle voltage shift on switch case |
| CN104409252A (en) * | 2014-10-30 | 2015-03-11 | 向荣集团有限公司 | Interlocking device for interlocking mechanism of switch cabinet circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009020140A1 (en) * | 2009-05-04 | 2010-11-11 | Siemens Aktiengesellschaft | Device for mutual locking of two switches, in particular circuit breaker |
| CN102856098A (en) * | 2012-06-29 | 2013-01-02 | 遵义长征电器防爆设备有限责任公司 | Mechanical interlocking device for medium voltage switchgear |
| CN205069434U (en) * | 2015-10-19 | 2016-03-02 | 浙江临高电气实业有限公司 | Cubical switchboard interlock and have its interlocking switch cabinet |
-
2015
- 2015-10-19 CN CN201510679110.XA patent/CN105244207B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200962394Y (en) * | 2006-10-25 | 2007-10-17 | 遵义长征电器开关设备有限责任公司 | Dual power switching mechanical interlock device of middle voltage shift on switch case |
| CN104409252A (en) * | 2014-10-30 | 2015-03-11 | 向荣集团有限公司 | Interlocking device for interlocking mechanism of switch cabinet circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244207A (en) | 2016-01-13 |
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Denomination of invention: The utility model relates to a switch cabinet interlocking structure and an interlocking switch cabinet with the same Effective date of registration: 20210630 Granted publication date: 20190108 Pledgee: Industrial and Commercial Bank of China Limited Linhai Branch Pledgor: ZHEJIANG LINGAO ELECTRICAL INDUSTRIAL Co.,Ltd. Registration number: Y2021330000763 |
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