CN208722827U - A kind of breaker closing blocking device - Google Patents
A kind of breaker closing blocking device Download PDFInfo
- Publication number
- CN208722827U CN208722827U CN201821619894.2U CN201821619894U CN208722827U CN 208722827 U CN208722827 U CN 208722827U CN 201821619894 U CN201821619894 U CN 201821619894U CN 208722827 U CN208722827 U CN 208722827U
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- China
- Prior art keywords
- closing
- electromagnet
- connecting lever
- breaker
- iron core
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Abstract
A kind of breaker closing blocking device, belong to breaker technical field, the breaker closing blocking device, including mounting rack, switching electromagnet is provided on mounting rack, latching electromagnet, closing pawl and closing cam, be additionally provided on mounting rack make latching electromagnet not it is electric when closing pawl and closing cam against press cooperate, and closing pawl is detached from the driving mechanism of closing cam when latching electromagnet being made to obtain electric, driving mechanism is set as by connecting lever, connecting rod and closing pawl are hinged and connected the four-bar mechanism of composition, the utility model has the beneficial effects that, the closing locking device overall structure simple and stable, it is small in size, high reliablity, can guarantee breaker control loop not it is electric in the case where can not carry out closing operation, the false switching of breaker is prevented to operate, it ensure that the normal work of breaker.
Description
Technical field
The utility model relates to breaker technical field more particularly to a kind of breaker closing blocking devices.
Background technique
There is control loop inside existing middle pressure vacuum circuit breaker comprising combined floodgate electric loop and separating brake electrically return
Road, for controlling the divide-shut brake of breaker itself.This control loop is just able to achieve only in the case where obtaining electric to open circuit
The control of device on/off switch movement, and in the case where control loop is without electricity, by the way that the switch knob of breaker is manually operated, together
The closing operation to breaker may be implemented in sample.Once but closing by hand, when breaker circuit breaks down, due to not having
The protection of control loop, also just to the load in circuit can not protect thus there are security risks, may cause safe thing
Therefore.The false switching of breaker in order to prevent, is generally arranged blocking device in breaker closing structure, and traditional blocking device is big
Mostly electric blocking or mechanical latching mode, the reliability of electric blocking is lower, and the structural volume of mechanical latching entirety is bigger,
Structure is complicated, installs more troublesome.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of breaker closing blocking device, mainly solves
Breaker control loop not it is electric in the case where closing by hand will cause safety accident the problem of, it is therefore intended that, by setting
Count a kind of simple, small in size, high reliablity the blocking device of structure, can guarantee breaker control loop not electric situation
Under can not carry out closing operation, it is therefore prevented that the false switching of breaker operates, and ensure that the normal work of breaker.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows: the breaker
Closing locking device, which is characterized in that including mounting rack, switching electromagnet, latching electromagnet, conjunction are provided on the mounting rack
The sincere son of lock and closing cam, be additionally provided on the mounting rack make latching electromagnet not it is electric when closing pawl supported with closing cam
Closing pawl is detached from the driving mechanism of closing cam when cooperating by press, and latching electromagnet being made to obtain electric, and the driving mechanism is set
It is set to and the four-bar mechanism constituted is hinged and connected by connecting lever, connecting rod and closing pawl.
Further, the connecting lever is set as L shape rod piece, and the bending part of the connecting lever is rotatedly connected with the mounting rack,
One end of the connecting lever is contradicted with the dynamic iron core extension end of the latching electromagnet to be connected, and the other end of the connecting lever passes through connecting rod
It is hinged and connected with one end of the closing pawl.
Further, the switching electromagnet, latching electromagnet and connecting lever are arranged in the same plane, the combined floodgate electromagnetism
Iron and latching electromagnet are fixed on the mounting rack, and the top of switching electromagnet is arranged in the latching electromagnet, described to close
The dynamic iron core extension end for locking electromagnet and one end of the connecting lever are inconsistent, the dynamic iron core extension end setting of the switching electromagnet
In one end close to the connecting lever.
Further, the latching electromagnet inclination is fixed on the mounting rack, and the dynamic iron core of latching electromagnet is stretched
Outlet is arranged diagonally downward, and the downside of the dynamic iron core extension end of the latching electromagnet and one end of the connecting lever are inconsistent.
Further, the inconsistent end in the dynamic iron core extension end of the connecting lever and the latching electromagnet is provided with crotch
Structure is provided with the first arc guide barrel with face contact on the downside of the dynamic iron core of the latching electromagnet in the crotch structure.
Further, the latching electromagnet is fixed on vertically on the mounting rack, and the dynamic iron core of latching electromagnet is stretched
Outlet is arranged straight down, and the left side of the dynamic iron core extension end of the latching electromagnet and the side of the connecting lever are inconsistent, institute
The side for stating connecting lever is provided with the second arc guide barrel cooperated with the left side of the dynamic iron core extension end of latching electromagnet.
Further, the closing pawl is set as L shaped plate part, and the bending part of the closing pawl is fixed by support shaft
On mounting rack, one end of the closing pawl is hinged and connected with the connecting rod, and the other end and combined floodgate of the closing pawl are convex
Wheel cooperation is connected.
Further, it is provided with energy storage on the free end of the closing cam and keeps idler wheel, the end of the closing pawl
Idler wheel is kept to cooperate against press with the energy storage.
Further, the bending part of the closing pawl, which is provided with, makes the end of closing pawl be connected with closing cam reset
Reset spring.
The beneficial effects of the utility model are:
1, the closing locking device is obtained by obtaining electric and power loss situation according to latching electromagnet in control switching electromagnet
While electricity is attracted, by be hinged and connected by connecting lever, connecting rod and closing pawl the four-bar mechanism that constitutes drive closing pawl with
The disengaging of closing cam and against cooperation, ensure that when latching electromagnet it is electric when breaker control loop obtain electric, close a floodgate
Sincere son can be just detached from closing cam, then so that closing cam is driven the main shaft rotation of breaker, closing operation is realized, when closing
Lock electromagnet it is not electric when breaker control loop not it is electric, closing operation will not be completed, it is therefore prevented that the false switching behaviour of breaker
Make, ensure that the normal work of breaker.
2, further, switching electromagnet therein, latching electromagnet and connecting lever setting in the same plane, then with driving
Mechanism also is located in same plane, reduces the blocking device overall volume, and structure is simple, easy for installation；And latching electromagnet
The top of switching electromagnet, including two kinds of structures are set, and one is latching electromagnet inclinations to be fixed on mounting rack, locking electricity
The dynamic iron core extension end of magnet is inconsistent with one end of connecting lever diagonally downward；Another kind is that latching electromagnet is fixed on installation vertically
On frame, and the dynamic iron core extension end of latching electromagnet is straight down, and one end of one side and connecting lever is inconsistent, both structures peace
It fills more convenient, and is not limited by space, realize that the principle of locking is, originally when beginning and end blocking, be latched electromagnetism
Iron is in non-attracting state, and the dynamic iron core extension end of latching electromagnet and one end of connecting lever are inconsistent, when operation switching electromagnet
It when being attracted its energization, since the dynamic iron core that connecting lever is blocked electromagnet stops, is not able to rotate, thus is unable to drive link and conjunction
The sincere sub- movement of lock, closing pawl and closing cam cannot be such that closing cam rotates, cannot complete closing operation against press, when
When in work blocking, latching electromagnet, which is powered, to be attracted, and the dynamic iron core of latching electromagnet is made to be detached from connecting lever, when operation is closed a floodgate
When electromagnet is attracted its energization, connecting lever rotation drives connecting rod and closing pawl movement, and closing pawl is detached from closing cam, then
So that closing cam is driven the main shaft rotation of breaker, realizes closing operation.
3, further, in the mounting structure that latching electromagnet inclination is fixed on mounting rack, connecting lever and latching electromagnet
The inconsistent end in dynamic iron core extension end be equipped with crotch structure, crotch structure be equipped with and the dynamic iron core of latching electromagnet on the downside of
First arc guide barrel of face contact, in the mounting structure that latching electromagnet is fixed on mounting rack vertically, the side of connecting lever is arranged
There is the second arc guide barrel with the cooperation of the left side of the dynamic iron core extension end of latching electromagnet, the first arc guide barrel and the second arc are led
Slot makes the dynamic iron core retractable of latching electromagnet, plays certain support and guiding role, it is therefore prevented that dynamic iron core is touched
It hits, improves the structural stability of latching electromagnet.
To sum up, the closing locking device overall structure simple and stable, small in size, high reliablity, can guarantee that breaker exists
Control loop not it is electric in the case where can not carry out closing operation, it is therefore prevented that the false switching of breaker operates, and ensure that breaker
Normal work.
Detailed description of the invention
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Label in above-mentioned figure is equal are as follows: 1. mounting racks, 2. switching electromagnets, 3. latching electromagnets, 4. closing pawls, 5. close
Brake cam, 6. connecting levers, 61. crotch structures, 611. first arc guide barrels, 62. second arc guide barrels, 7. connecting rods, 8. support shafts, 9.
Energy storage keeps idler wheel, 10. reset springs.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this
Utility model, but be not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
The utility model specific embodiment are as follows: as depicted in figs. 1 and 2, a kind of breaker closing blocking device, including
Mounting rack 1, the mounting rack 1 are a mounting plate, are provided with switching electromagnet 2, latching electromagnet 3, closing pawl on the mounting rack 1
4 and closing cam 5, be additionally provided on mounting rack 1 make latching electromagnet 3 not it is electric when closing pawl 4 and closing cam 5 against top
Press-fit, and make latching electromagnet 3 it is electric when closing pawl 4 be detached from closing cam 5 driving mechanism, driving mechanism be set as by
Connecting lever 6, connecting rod 7 and closing pawl 4 are hinged and connected the four-bar mechanism of composition.The closing locking device passes through according to locking electromagnetism
Iron 3 obtains electric and power loss situation, while control switching electromagnet 2 obtains electric actuation, passes through the four-bar mechanism and drives combined floodgate
Sincere sub 4 with the disengaging of closing cam 5 and against cooperation, ensure that the control loop of breaker when obtaining electric when latching electromagnet 3
Must be electric, closing pawl 4 can be just detached from closing cam 5, then so that closing cam 5 is driven the main shaft rotation of breaker, realize
Closing operation, when latching electromagnet 3 not it is electric when breaker control loop not it is electric, closing operation will not be completed, it is therefore prevented that
The false switching of breaker operates, and ensure that the normal work of breaker.
Specifically, connecting lever 6 is set as L shape rod piece, and bending part and the mounting rack 1 of connecting lever 6 are rotatedly connected, i.e., by shaft with
Mounting rack 1 is hinged, when latching electromagnet 3 not it is electric when, one end of connecting lever 6 and the dynamic iron core extension end conflict of latching electromagnet 3
Be connected, when latching electromagnet 3 it is electric when, the dynamic iron core of latching electromagnet 3 is shunk to be detached from one end of connecting lever 6, connecting lever 6 it is another
End is hinged and connected by connecting rod 7 and one end of closing pawl 4.Specifically, switching electromagnet 2, latching electromagnet 3 and connecting lever 6 are set
It sets in the same plane, also then is located in same plane with driving mechanism, reduce the blocking device overall volume, structure letter
It is single, easy for installation；Switching electromagnet 2 and latching electromagnet 3 are fixed on mounting rack 1, and latching electromagnet 3 is arranged in combined floodgate electromagnetism
The top of iron 2, the dynamic iron core extension end of latching electromagnet 3 and one end of connecting lever 6 are inconsistent, and the dynamic iron core of switching electromagnet 2 is stretched
Outlet is positioned close to one end of connecting lever 6, when latching electromagnet 3 must not electricity when, the dynamic iron core extension end of latching electromagnet 3 with turn
One end of arm 6 is inconsistent, will not complete closing operation, and when switching electromagnet 2 must be electric, the dynamic iron core of latching electromagnet 3 is shunk
It is detached from one end of connecting lever 6, the dynamic iron core of switching electromagnet 2 is stretched out, and driving connecting lever 6 rotates, to drive connecting rod 7, combined floodgate sincere
Son 4 rotates, and so that the other end of closing pawl 4 is detached from closing cam 5, completes closing operation.
Specifically, closing pawl 4 is set as L shaped plate part, and the bending part of closing pawl 4 is fixed on installation by support shaft 8
On frame 1, one end and the connecting rod 7 of closing pawl 4 are hinged and connected, and the other end of closing pawl 4 is connected with the cooperation of closing cam 5, are had
Body structure be provided on the free end of closing cam 5 energy storage keep idler wheel 9, latching electromagnet 3 not it is electric when, combined floodgate it is sincere
Sub 4 end and energy storage keep idler wheel 9 to cooperate against press, keep it logical when latching electromagnet 3 obtains electric and operation switching electromagnet 2
When electricity is attracted, the rotation of closing pawl 4 makes the end of closing pawl 4 keep idler wheel 9 to separate with energy storage, to carry out closing operation.
Optimally, in order to reset the blocking device after the completion of closing operation, in order to closing operation next time, closing pawl 4
Bending part, which is provided with, makes the end of closing pawl 4 reset the reset spring 10 being connected with closing cam 5, this reset spring 10 can be set
It is set to torsional spring, one end of torsional spring is fixed on closing pawl 4, and the other end is connected on mounting rack 1.
The mounting structure of latching electromagnet 3 includes two kinds, a kind of structure for embodiment 1 as shown in Figure 1, latching electromagnet
3 inclinations are fixed on mounting rack 1, and the dynamic iron core extension end of latching electromagnet 3 is arranged diagonally downward, and latching electromagnet 3 moves
The downside of iron core extension end and one end of connecting lever 6 are inconsistent；Optimally, in order to stretch the dynamic iron core of latching electromagnet 3 can freely
Contracting prevents the collision of dynamic iron core, improves the structural stability of latching electromagnet 3, connecting lever 6 and the dynamic iron core of latching electromagnet 3 are stretched
The inconsistent end of outlet is provided with crotch structure 61, is provided in crotch structure 61 and the dynamic iron core of latching electromagnet 3 downside
First arc guide barrel 611 of face contact, the first arc guide barrel 611 also act certain support and guiding role.Another kind is
The structure of embodiment 2 as shown in Figure 2, latching electromagnet 3 is fixed on vertically on mounting rack 1, and the dynamic iron core of latching electromagnet 3 is stretched
Outlet is arranged straight down, and the left side of the dynamic iron core extension end of latching electromagnet 3 and the side of connecting lever 6 are inconsistent, and the one of connecting lever 6
Side is provided with the second arc guide barrel 62 with the cooperation of the left side of the dynamic iron core extension end of latching electromagnet 3.The installation of both structures
It is more convenient, and do not limited by space, realize that the principle of locking is, originally when beginning and end blocking, latching electromagnet 3
In non-attracting state, the dynamic iron core extension end of latching electromagnet 3 and one end of connecting lever 6 are inconsistent, when operation switching electromagnet 2
It when being attracted its energization, since the dynamic iron core that connecting lever 6 is blocked electromagnet 3 stops, is not able to rotate, thus is unable to drive link 7
It is moved with closing pawl 4, closing pawl 4 and closing cam 5 cannot be such that closing cam 5 rotates, cannot complete to close a floodgate against press
Operation；When being in work blocking, latching electromagnet 3, which is powered, to be attracted, and the dynamic iron core of latching electromagnet 3 is made to be detached from connecting lever 6,
When operating switching electromagnet 2 and making it be powered to be attracted, the rotation of connecting lever 6 drives connecting rod 7 and closing pawl 4 to move, closing pawl 4 with
Closing cam 5 is detached from, then so that closing cam 5 is driven the main shaft rotation of breaker, realize closing operation.
To sum up, the closing locking device overall structure simple and stable, small in size, high reliablity, can guarantee that breaker exists
Control loop not it is electric in the case where can not carry out closing operation, it is therefore prevented that the false switching of breaker operates, and ensure that breaker
Normal work.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this is practical
It is novel to be confined in the shown specific structure and the scope of application, thus it is all it is all may be utilized accordingly modify and wait
Jljl belongs to the applied the scope of the patents of the utility model.
Claims (9)
1. a kind of breaker closing blocking device, which is characterized in that including mounting rack (1), be provided with conjunction on the mounting rack (1)
Lock electromagnet (2), latching electromagnet (3), closing pawl (4) and closing cam (5), being additionally provided on the mounting rack (1) makes
Latching electromagnet (3) not it is electric when closing pawl (4) and closing cam (5) cooperate against press, and make latching electromagnet (3)
Closing pawl (4) is detached from the driving mechanism of closing cam (5) when electric, and the driving mechanism is set as by connecting lever (6), connecting rod (7)
The four-bar mechanism of composition is hinged and connected with closing pawl (4).
2. breaker closing blocking device according to claim 1, it is characterised in that: the connecting lever (6) is set as L shape bar
Part, bending part and the mounting rack (1) of the connecting lever (6) are rotatedly connected, one end of the connecting lever (6) and the locking electromagnetism
The dynamic iron core extension end of iron (3), which contradicts, to be connected, and the other end of the connecting lever (6) passes through connecting rod (7) and the closing pawl (4)
One end is hinged and connected.
3. breaker closing blocking device according to claim 2, it is characterised in that: the switching electromagnet (2), locking
Electromagnet (3) and connecting lever (6) setting in the same plane, described in the switching electromagnet (2) and latching electromagnet (3) are fixed on
On mounting rack (1), latching electromagnet (3) setting is moved in the top of switching electromagnet (2), the latching electromagnet (3)
Iron core extension end and the one end of the connecting lever (6) are inconsistent, and the dynamic iron core extension end of the switching electromagnet (2) is positioned close to
One end of the connecting lever (6).
4. breaker closing blocking device according to claim 3, it is characterised in that: latching electromagnet (3) inclination
It is fixed on the mounting rack (1), and the dynamic iron core extension end of latching electromagnet (3) is arranged diagonally downward, the locking electromagnetism
The downside of the dynamic iron core extension end of iron (3) and one end of the connecting lever (6) are inconsistent.
5. breaker closing blocking device according to claim 4, it is characterised in that: the connecting lever (6) and the locking
The inconsistent end in the dynamic iron core extension end of electromagnet (3) is provided with crotch structure (61), is arranged on the crotch structure (61)
There is the first arc guide barrel (611) with face contact on the downside of the dynamic iron core of the latching electromagnet (3).
6. breaker closing blocking device according to claim 3, it is characterised in that: the latching electromagnet (3) is vertical
It is fixed on the mounting rack (1), and the dynamic iron core extension end of latching electromagnet (3) is arranged straight down, the locking electromagnetism
The left side of the dynamic iron core extension end of iron (3) and the side of the connecting lever (6) are inconsistent, the side of the connecting lever (6) be provided with
The second arc guide barrel (62) of the left side cooperation of the dynamic iron core extension end of latching electromagnet (3).
7. breaker closing blocking device described in any one according to claim 1~6, it is characterised in that: the combined floodgate is sincere
Sub (4) are set as L shaped plate part, and the bending part of the closing pawl (4) is fixed on mounting rack (1) by support shaft (8), described
One end of closing pawl (4) is hinged and connected with the connecting rod (7), and the other end and the closing cam (5) of the closing pawl (4) are matched
It closes and is connected.
8. breaker closing blocking device according to claim 7, it is characterised in that: the freedom of the closing cam (5)
It is provided with energy storage on end and keeps idler wheel (9), the end of the closing pawl (4) and the energy storage keep idler wheel (9) against press
Cooperation.
9. breaker closing blocking device according to claim 7, it is characterised in that: the bending of the closing pawl (4)
Place, which is provided with, makes the end of closing pawl (4) reset the reset spring (10) being connected with closing cam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619894.2U CN208722827U (en) | 2018-09-30 | 2018-09-30 | A kind of breaker closing blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619894.2U CN208722827U (en) | 2018-09-30 | 2018-09-30 | A kind of breaker closing blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722827U true CN208722827U (en) | 2019-04-09 |
Family
ID=65983117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821619894.2U Expired - Fee Related CN208722827U (en) | 2018-09-30 | 2018-09-30 | A kind of breaker closing blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722827U (en) |
-
2018
- 2018-09-30 CN CN201821619894.2U patent/CN208722827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200930 |