CN215342476U - Manual switching-off mechanism of permanent magnet circuit breaker - Google Patents
Manual switching-off mechanism of permanent magnet circuit breaker Download PDFInfo
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- CN215342476U CN215342476U CN202121500765.3U CN202121500765U CN215342476U CN 215342476 U CN215342476 U CN 215342476U CN 202121500765 U CN202121500765 U CN 202121500765U CN 215342476 U CN215342476 U CN 215342476U
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- circuit breaker
- permanent magnet
- magnet circuit
- synchronizing shaft
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Abstract
A manual separating brake mechanism of a permanent magnet circuit breaker comprises: mechanism synchronizing shaft, interlocking upper arm, hand branch cover and auxiliary switch, mechanism synchronizing shaft are connected to permanent magnet circuit breaker's main shaft, are equipped with the cam on the mechanism synchronizing shaft, and the auxiliary switch setting is in one side of cam, the front end of mechanism synchronizing shaft has cup jointed the hand and has divided the cover, and the last still fixed mounting of mechanism synchronizing shaft has the hand to divide and overlaps limit screw, and the end that the hand divides the cover still is provided with the hand and divides the spacing arm of cover, and the hand divides the spacing arm of cover and closes a floodgate spacing bolt cooperation, and interlocking upper arm is through linking locking arm and mechanism synchronizing shaft cooperation. The manual opening and closing mechanism of the permanent magnet circuit breaker is connected with the internal operation main shaft of the permanent magnet circuit breaker through movable fit, so that manual opening and closing under emergency conditions are realized, manual closing is forbidden, the requirement of operation logic is met, two opening and closing indicating functions of electronic type and mechanical type are provided, the authenticity of opening and closing states is ensured, and the integration of the functionality and performance of primary equipment is realized.
Description
Technical Field
The utility model relates to the technical field of power generation, power transformation or power distribution, in particular to a manual opening mechanism of a permanent magnet circuit breaker.
Background
At present, two manual opening mechanisms of the permanent magnet circuit breaker are mainly used, one is an external manual opening mechanism for installing the opening mechanism outside a switch cabinet, and the defects of the manual opening mechanism are that the manual opening mechanism is complicated to be butted with an internal circuit breaker, the installation and debugging are difficult, and the interchangeability and the reliability are poor; the other type is that the manual opening mechanism and the breaker switch are integrated into a whole, but the manual opening mechanism is only suitable for one breaker switch and is poor in universality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a manual opening mechanism of a permanent magnet circuit breaker.
The utility model adopts the following technical scheme:
a manual separating brake mechanism of a permanent magnet circuit breaker comprises: the mechanism comprises a mechanism synchronizing shaft, an interlocking upper arm, a hand separating sleeve and an auxiliary switch, wherein the mechanism synchronizing shaft is connected to a main shaft of a permanent magnet circuit breaker, a cam is assembled on the mechanism synchronizing shaft, the auxiliary switch is arranged on one side of the cam, so that the auxiliary switch is driven to be separated and combined when the cam rotates, the hand separating sleeve is sleeved at the front end of the mechanism synchronizing shaft, a hand separating sleeve limiting screw is fixedly installed on the mechanism synchronizing shaft, a long waist hole is formed in the hand separating sleeve, the hand separating sleeve is limited by the hand separating sleeve limiting screw to rotate a preset angle around the mechanism synchronizing shaft, the end of the hand separating sleeve is further provided with a hand separating sleeve limiting arm, the hand separating sleeve limiting arm is matched with a closing limiting bolt, and the interlocking upper arm is matched with the mechanism synchronizing shaft through a connecting arm.
Preferably, the mechanism synchronizing shaft is connected to the main shaft of the permanent magnet circuit breaker through a synchronizing bushing so that the mechanism synchronizing shaft and the main shaft of the permanent magnet circuit breaker can rotate synchronously.
Preferably, the hand sleeve and the hand sleeve limiting arm are fixedly connected without relative rotation.
Preferably, when the hand sleeve separating limiting arm is in contact with the closing limiting bolt, the closing limiting bolt prevents the hand sleeve separating limiting arm and the hand sleeve from continuing to rotate.
Preferably, the connecting and locking arm is fixedly connected with the mechanism synchronizing shaft without relative rotation.
Preferably, the connecting lock arm and the interlocking upper arm are fixedly connected for relative rotation.
Preferably, when the mechanism synchronizing shaft rotates, the interlocking arm drives the interlocking upper arm to move up and down.
Preferably, the interlocking upper arm is provided with an opening and closing indication mark for indicating the opening and closing state of the permanent magnet circuit breaker in a mechanical mode.
Preferably, the auxiliary switch is further provided with an electronic indicating device for indicating the on-off state of the permanent magnet circuit breaker in an electronic manner.
Preferably, the manual opening mechanism further comprises a mechanism back plate.
Preferably, the mechanism back plate is mounted on the switch cabinet air box outer side plate through a hexagonal stud, so that the manual opening mechanism is connected with the switch cabinet air box.
Preferably, the manual opening mechanism further comprises a mechanism front plate.
Preferably, the mechanism front plate is connected with the mechanism back plate through supporting pins.
Preferably, the mechanism synchronizing shaft penetrates through the mechanism front plate and is connected with the synchronizing shaft sleeve through the mechanism back plate.
Preferably, the interlocking upper arm, the hand separating sleeve and the closing limiting bolt are arranged on the other side of the mechanism front plate.
Preferably, the cam and the auxiliary switch are mounted between the mechanism back plate and the mechanism front plate.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a manual opening and closing mechanism of a permanent magnet circuit breaker, which is connected with an internal operation main shaft of the permanent magnet circuit breaker through movable fit, so that the manual opening and closing under emergency conditions are realized, the manual closing is forbidden, the requirement of operation logic is met, two opening and closing indicating functions of an electronic type and a mechanical type are provided, the authenticity of the opening and closing state is ensured, and the integration of the functionality and the performance of primary equipment is realized. In addition, the external part of the device is matched with a general operating handle to realize the opening operation, and the device has strong interchangeability.
Drawings
FIG. 1 is a schematic structural diagram of a manual opening mechanism of a permanent magnet circuit breaker according to the present invention;
FIG. 2 is a front view of the structure of a manual opening mechanism of the permanent magnet circuit breaker;
fig. 3 is an overall assembly view of a manual opening mechanism of a permanent magnet circuit breaker of the present invention;
FIG. 4 is a closing state diagram of a manual opening mechanism of a permanent magnet circuit breaker according to the present invention;
fig. 5 is a switching-off state diagram of the manual switching-off mechanism of the permanent magnet circuit breaker.
The reference numbers in the figures illustrate: 1-mechanism synchronizing shaft; 2-a cam; 3-linking the arm; 4-linkage upper arm; 5-sleeving a limit bolt by hands; 6-separating the hands; 7-sleeving a limiting arm by hands; 8-an auxiliary switch; 9-closing limit bolt; 10-synchronous shaft sleeve; 11-a hexagonal stud; 12-a mechanism backplane; 13-mechanism front plate; 14-supporting pins.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
The manual opening mechanism of the permanent magnet circuit breaker is shown in fig. 1, fig. 2 and fig. 3, and mainly comprises a mechanism synchronizing shaft 1, an interlocking upper arm 4, a hand sleeve 6 and an auxiliary switch 8.
The mechanism synchronizing shaft 1 is connected to a main shaft of the permanent magnet circuit breaker through a synchronizing shaft sleeve 10, so that the mechanism synchronizing shaft 1 and the main shaft of the permanent magnet circuit breaker can rotate synchronously, and the on-off state of the permanent magnet circuit breaker is transmitted. The fit between the synchronization sleeve 10 and the main shaft of the permanent magnet circuit breaker is preferably a loose fit.
Still be equipped with cam 2 on the mechanism synchronizing shaft 1, auxiliary switch 8 then sets up the one side at cam 2 for drive auxiliary switch 8 deciliter when cam 2 rotates, simultaneously, still be provided with electronic indicating device on the auxiliary switch 8, be used for instructing the deciliter state of permanent magnetism circuit breaker through the mode of electron.
The front end of the synchronizing mechanism shaft 1 is sleeved with a hand sleeve 6, and a hand sleeve limiting screw 5 is fixedly mounted on the synchronizing mechanism shaft 1. The hand sleeve 6 is provided with a long waist hole, and the hand sleeve 6 is limited by the hand sleeve limiting screw 5 to rotate only for a preset angle of idle stroke around the mechanism synchronizing shaft 1, so that the manual opening of the permanent magnet circuit breaker is realized.
The tail end of the hand sleeve 6 is also provided with a hand sleeve limiting arm 7, preferably, the hand sleeve 6 is fixedly connected with the hand sleeve limiting arm 7 without relative rotation, and more preferably, the hand sleeve 6 is welded with the hand sleeve limiting arm 7.
The hand sleeve separating limiting arm 7 is matched with the closing limiting bolt 9, when the hand sleeve separating limiting arm 7 is in contact with the closing limiting bolt 9, the closing limiting bolt 9 organizes the hand sleeve separating limiting arm 7 and the hand sleeve 6 to continue rotating, and therefore the function that manual closing can only be forbidden to the permanent magnet circuit breaker through emergency manual opening is achieved.
The other end of the hand separating sleeve 6 is a universal operating handle, so that the working personnel can conveniently operate the opening of the permanent magnet circuit breaker.
The interlocking upper arm 4 is matched with the mechanism synchronizing shaft 1 through the interlocking arm 3. The connecting and locking arm 3 is fixedly connected with the mechanism synchronizing shaft 1 without relative rotation; the connecting lock arm 3 and the interlocking upper arm 4 are fixedly connected for generating relative rotation. When the mechanism synchronizing shaft 1 rotates, the interlocking arm 3 drives the interlocking upper arm 4 to move up and down so as to realize mechanical interlocking of other mechanisms of the switch cabinet when the permanent magnet circuit breaker is opened and closed.
The interlocking upper arm 4 is provided with an opening and closing indication mark for indicating the opening and closing state of the permanent magnet circuit breaker in a mechanical mode.
The manual brake separating mechanism further comprises a mechanism back plate 12, and the mechanism back plate 12 is installed on an outer side plate of the switch cabinet air box through a hexagonal stud 11, so that the manual brake separating mechanism is connected with the switch cabinet air box.
The manual brake separating mechanism further comprises a mechanism front plate 13, and the mechanism front plate 13 is connected with the mechanism back plate 12 through a supporting pin 14.
The mechanism synchronizing shaft 1 penetrates through a mechanism front plate 13 and is connected with a synchronizing shaft sleeve 10 through a mechanism back plate 12, and the interlocking upper arm 4, the hand separating sleeve 6 and the closing limiting bolt 9 are installed on the other side of the mechanism front plate 13.
The cam 2 and the auxiliary switch 8 are installed between the mechanism back plate 12 and the mechanism front plate 13.
The utility model discloses a permanent magnet circuit breaker manual opening mechanism, which has the following operation logic requirements: when the permanent magnet circuit breaker is in a closing state, the external operating handle rotates the hand separating sleeve to open the circuit breaker; when the permanent magnet circuit breaker is in a switching-off state, the external operating handle rotates the hand sleeve to switch off the circuit breaker. The following describes the manual opening and closing process of the manual opening and closing mechanism of the permanent magnet circuit breaker in detail with reference to fig. 4 and 5.
And (3) manual brake opening process: as shown in fig. 4, the permanent magnet circuit breaker is in a closing state, and when the hand sleeve 6 is rotated clockwise by the external operating handle, the hand sleeve limiting bolt 5 which passes through the long waist hole of the hand sleeve 6 and is assembled on the mechanism synchronizing shaft 1 transmits the rotation to the mechanism synchronizing shaft 1, so that the opening operation of the permanent magnet circuit breaker is realized. Meanwhile, the interlocking upper arm 4 moves upwards by clockwise rotation of the interlocking arm 3, so that unlocking of the interlocking upper arm 4 on other mechanisms of the switch cabinet is realized, and the opening state of the permanent magnet circuit breaker is indicated mechanically. In addition, the rotation of the mechanism synchronizing shaft 1 drives the cam 2 to rotate clockwise, so that the contacts of the auxiliary switch 8 are separated, and the opening state of the permanent magnet circuit breaker is indicated in an electronic mode.
Manual switching-on process: as shown in fig. 5, the permanent magnet circuit breaker is in a switching-off state, when the hand sleeve 6 is rotated counterclockwise by the external operating handle, the hand sleeve limiting arm 7 welded at the tail end of the hand sleeve 6 is limited by the switching-on limiting bolt 9, so that the hand sleeve 6 can not continue to rotate counterclockwise, the mechanism synchronizing shaft 1 can not transmit the counterclockwise rotation state of the hand sleeve 6 through the hand sleeve limiting bolt 5, and the manual switching-on operation of the permanent magnet circuit breaker can not be realized
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a manual opening and closing mechanism of a permanent magnet circuit breaker, which is connected with an internal operation main shaft of the permanent magnet circuit breaker through movable fit, so that the manual opening and closing under emergency conditions are realized, the manual closing is forbidden, the requirement of operation logic is met, two opening and closing indicating functions of an electronic type and a mechanical type are provided, the authenticity of the opening and closing state is ensured, and the integration of the functionality and the performance of primary equipment is realized. In addition, the external part of the device is matched with a general operating handle to realize the opening operation, and the device has strong interchangeability.
The applicant has described and illustrated embodiments of the present invention in detail with reference to the drawings attached hereto, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A manual separating brake mechanism of a permanent magnet circuit breaker comprises: mechanism synchronizing shaft (1), chain upper arm (4), hand branch cover (6) and auxiliary switch (8), its characterized in that:
the mechanism synchronizing shaft (1) is connected to the main shaft of the permanent magnet circuit breaker,
a cam (2) is assembled on the mechanism synchronizing shaft (1),
the auxiliary switch (8) is arranged on one side of the cam (2) so as to drive the auxiliary switch (8) to be switched on and off when the cam (2) rotates,
the front end of the mechanism synchronizing shaft (1) is sleeved with a hand sleeve (6), a hand sleeve limiting screw (5) is fixedly arranged on the mechanism synchronizing shaft (1),
the hand sleeve (6) is provided with a long waist hole, the hand sleeve (6) is limited by the hand sleeve limiting screw rod (5) to rotate only for a predetermined angle of idle stroke around the mechanism synchronizing shaft (1),
the tail end of the hand sleeve (6) is also provided with a hand sleeve limiting arm (7),
the hand sleeve separating limiting arm (7) is matched with the closing limiting bolt (9),
the interlocking upper arm (4) is matched with the mechanism synchronizing shaft (1) through the interlocking arm (3).
2. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
the mechanism synchronizing shaft (1) is connected to a main shaft of the permanent magnet circuit breaker through a synchronizing shaft sleeve (10), so that the mechanism synchronizing shaft (1) and the main shaft of the permanent magnet circuit breaker can rotate synchronously.
3. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
the hand sleeve (6) is fixedly connected with the hand sleeve limiting arm (7) without relative rotation,
when the hand sleeve separating limiting arm (7) is in contact with the closing limiting bolt (9), the closing limiting bolt (9) prevents the hand sleeve separating limiting arm (7) and the hand sleeve separating (6) from continuing to rotate.
4. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
the connecting and locking arm (3) is fixedly connected with the mechanism synchronizing shaft (1) without relative rotation,
the connecting locking arm (3) and the interlocking upper arm (4) are fixedly connected for generating relative rotation,
when the mechanism synchronizing shaft (1) rotates, the interlocking upper arm (4) is driven to move up and down through the interlocking arm (3).
5. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
and the interlocking upper arm (4) is provided with a switching-on/off indicating mark for indicating the switching-on/off state of the permanent magnet circuit breaker in a mechanical mode.
6. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
and the auxiliary switch (8) is also provided with an electronic indicating device for indicating the on-off state of the permanent magnet circuit breaker in an electronic mode.
7. The manual opening mechanism of the permanent magnet circuit breaker according to claim 1, characterized in that:
the manual brake separating mechanism also comprises a mechanism back plate (12),
the mechanism back plate (12) is installed on an outer side plate of the switch cabinet air box through a hexagonal stud (11), so that the manual brake separating mechanism is connected with the switch cabinet air box.
8. The manual opening mechanism of the permanent magnet circuit breaker according to claim 7, characterized in that:
the manual brake separating mechanism also comprises a mechanism front plate (13),
the mechanism front plate (13) is connected with the mechanism back plate (12) through supporting pins (14).
9. The manual opening mechanism of the permanent magnet circuit breaker according to claim 8, wherein:
the mechanism synchronizing shaft (1) passes through a mechanism front plate (13) and is connected with a synchronizing shaft sleeve (10) through a mechanism back plate (12),
the interlocking upper arm (4), the hand separating sleeve (6) and the closing limiting bolt (9) are arranged on the other side of the mechanism front plate (13).
10. The manual opening mechanism of the permanent magnet circuit breaker according to claim 8, wherein:
the cam (2) and the auxiliary switch (8) are arranged between the mechanism back plate (12) and the mechanism front plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500765.3U CN215342476U (en) | 2021-07-02 | 2021-07-02 | Manual switching-off mechanism of permanent magnet circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500765.3U CN215342476U (en) | 2021-07-02 | 2021-07-02 | Manual switching-off mechanism of permanent magnet circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215342476U true CN215342476U (en) | 2021-12-28 |
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ID=79564409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121500765.3U Active CN215342476U (en) | 2021-07-02 | 2021-07-02 | Manual switching-off mechanism of permanent magnet circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215342476U (en) |
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2021
- 2021-07-02 CN CN202121500765.3U patent/CN215342476U/en active Active
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