CN208796902U - A kind of permanent-magnet operating mechanism - Google Patents
A kind of permanent-magnet operating mechanism Download PDFInfo
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- CN208796902U CN208796902U CN201821555135.4U CN201821555135U CN208796902U CN 208796902 U CN208796902 U CN 208796902U CN 201821555135 U CN201821555135 U CN 201821555135U CN 208796902 U CN208796902 U CN 208796902U
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- connecting lever
- magnetic force
- iron core
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Abstract
The utility model relates to field of circuit breakers, in particular to a kind of permanent-magnet operating mechanism, solves permanent-magnet operating mechanism in the prior art, when electromagnetic drive structures break down, permanent-magnet operating mechanism is difficult to realize separating brake, the thus poor problem of reliability, its key points of the technical solution are that a kind of permanent-magnet operating mechanism, including mounting bracket, electromagnetic drive structures, crank arm structure, output rod and separating brake structure, electromagnetic drive structures include shell, permanent magnets, magnetic force iron core, and separating brake structure includes secondary spring component and cam pack.In manual brake separating, cam pack drives magnetic force iron core mobile to the direction far from permanent magnet, after magnetic force iron core is separated with permanent magnet, attraction between magnetic force iron core and permanent magnet is reduced rapidly, further mobile to the direction far from permanent magnet under the auxiliary of secondary spring component, and successively drive drive rod, crank arm structure, output rod movement, to realize separating brake, and under the auxiliary of secondary spring component, gate-dividing state is kept.
Description
Technical field
The utility model relates to field of circuit breakers, in particular to a kind of permanent-magnet operating mechanism.
Background technique
Permanent magnetic vacuum breaker has moving component few compared with traditional breaker, the de-, locker without machinery,
The advantages that structure is simple, high reliablity and high mechanical life, thus obtained extensive utilization.
Permanent-magnet operating mechanism is component part important in permanent magnetic vacuum breaker, and permanent-magnet operating mechanism is protected using permanent magnetism
It holds, a kind of operating mechanism of electromagnetic drive.It is with good stability using permanent magnetism holding, electromagnetic drive, it can effectively prevent
Unexpected combined floodgate and separating brake.
However during actual use, when electromagnetic drive structures break down, permanent-magnet operating mechanism is difficult to realize
Separating brake, thus reliability is poor, to lose the control to high voltage power supply, be easy to cause danger.
Utility model content
The purpose of the utility model is to provide a kind of permanent-magnet operating mechanisms, it is advantageous that, may be implemented automatic closing with
The effect of automatic/hand separating brake, security reliability.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of permanent-magnet operating mechanism, including mounting bracket, the electromagnetic drive structures being set in the mounting bracket, by institute
State electromagnetic drive structures driving crank arm structure, by crank arm structure drive and with the mounting bracket rotation connection output rod and
For the separating brake structure of manual brake separating, the electromagnetic drive structures include shell, the permanent magnets for being mounted on shell side and have
The magnetic force iron core of drive rod, the separating brake structure include the secondary spring component being installed on output rod and the promotion magnetic force iron
The cam pack that core is separated with permanent magnets.
By using above-mentioned technical proposal, by being powered for the coil on magnetic force iron core, so that magnetic force iron core direction
The side of permanent magnet and the side of permanent magnet towards magnetic force iron core attract each other with opposite pole, and magnetic force iron core is to close to permanent magnetism
The direction of body is mobile, and drives drive rod mobile, and then drives crank arm structure mobile, and crank arm structure drives output rod rotation, from
And it realizes and closes a floodgate, and magnetic force iron core keeps stable "on" position under the attraction of permanent magnet.
In automatic brake separating, lead to reverse current for magnetic force iron core, so that side and permanent magnetism of the magnetic force iron core towards permanent magnet
Body is mutually exclusive with like pole towards the side of magnetic force iron core, and magnetic force iron core is mobile to the direction far from permanent magnet, and band
Dynamic drive rod is mobile, and then drives crank arm structure mobile, and crank arm structure drives output rod rotation, to realize separating brake, and auxiliary
It helps under the auxiliary of spring assembly, keeps gate-dividing state.
In manual brake separating, cam pack drives magnetic force iron core mobile to the direction far from permanent magnet, when magnetic force iron core with
After permanent magnet separates, the attraction between magnetic force iron core and permanent magnet is reduced rapidly, under the auxiliary of secondary spring component, further
It is mobile to the direction far from permanent magnet, and drive drive rod mobile, and then drive crank arm structure mobile, crank arm structure drives output
Bar rotation keeps gate-dividing state to realize separating brake, and under the auxiliary of secondary spring component.
Preferably, cam pack include with the mounting bracket rotation connection first rotating shaft and with the first rotating shaft
It is fixedly connected with separating brake cam.
It by using above-mentioned technical proposal, is rotatablely connected by first rotating shaft and mounting bracket, connects separating brake cam and the
One shaft is fixedly connected, to ensure that the stability of cam pack structure.
Preferably, the secondary spring component includes the first connecting lever being fixedly connected with the output rod and with described
One connecting lever is connected and the auxiliary pressure spring for driving the output rod rotation.
By using above-mentioned technical proposal, when carrying out separating brake, by the setting of the first connecting lever, the straight line of pressure spring will be assisted
Movement is converted to the circular movement of output rod to realize the rotation of output rod, drives separating brake；After separating brake, to output
Rotating backward for bar is limited, and pull operation mechanism is made to keep stable gate-dividing state.
Preferably, the crank arm structure includes the second shaft and described second with mounting bracket rotation connection
Shaft is fixedly connected and second connecting lever hinged with the drive rod, be fixedly connected with second shaft third connecting lever, one
The other end of the end connection bar assembly hinged with the third connecting lever and the connection bar assembly is hinged and solid with the output rod
Surely the 4th connecting lever connected.
By using above-mentioned technical proposal, drive rod drives the second connecting lever to be rotated, and the second shaft is driven to rotate, and second
Rotation axis drives third connecting lever to be rotated, and third connecting lever drives connection bar assembly mobile, and connection bar assembly drives the 4th connecting lever
It is moved, the 4th connecting lever drives output rod rotation, to realize separating brake and close a floodgate.
Preferably, the connection bar assembly includes the link block being hinged with the third connecting lever and turns with the described 4th
The connecting rod that arm is hinged and is connected with the link block.
Third connecting lever and the 4th connecting lever are facilitated by the setting of link block and connecting rod by using above-mentioned technical proposal
Connection, by adjusting the length of link block and connecting rod, thus facilitate adjustment the distance between third connecting lever and the 4th connecting lever,
To be adjusted to the angle of output rod.
Preferably, offering connecting hole on the link block, the connecting rod is connected through a screw thread with the connecting hole.
By using above-mentioned technical proposal, by the threaded connection of connecting rod and connecting hole, without replacing link block
With connecting rod, only need to be rotatablely connected bar can be adjusted the distance between third connecting lever and the 4th connecting lever, easy to use.
Preferably, be also equipped with the third shaft for driving first rotating shaft rotation in the mounting bracket, described the
Link assembly is provided between one shaft and the third shaft, the third shaft is stretched out from the side of the mounting bracket.
By using above-mentioned technical proposal, by the setting of third shaft and link assembly, since third shaft is from described
The side of mounting bracket is stretched out, to manipulate outside mounting bracket to permanent-magnet operating mechanism.
Preferably, the link assembly includes the 5th connecting lever being fixedly connected with first rotating shaft and the third shaft
The 6th connecting lever being fixedly connected and one end and the connecting rod that the 5th connecting lever is hinged and the other end and the 6th connecting lever are hinged.
Closing by hand is being carried out by the setting of the 5th connecting lever, the 6th connecting lever and connecting rod by using above-mentioned technical proposal
When, third shaft drives the rotation of the 6th connecting lever, and the 6th connecting lever drives connecting rod mobile, and connecting rod drives the rotation of the 5th connecting lever, and the 5th turns
Armband is moved first rotating shaft and is rotated, to realize the synchronous rotation of the second shaft and first rotating shaft.
It is opened up at the cam pack side, the center of the permanent magnets preferably, the permanent magnets are installed on
There is the relief hole worn for the drive rod.
By using above-mentioned technical proposal, by the setting of relief hole, drive rod wear in relief hole, relief hole it is interior
Wall limits drive rod, to improve the flexible stability of drive rod.
Preferably, the shell include two pieces of two pieces of support plates disposed in parallel, be mounted on it is several between support plate
Dagger and the mounting cup to match with the permanent magnets and magnetic force iron core.
By using above-mentioned technical proposal, support plate protects mounting cup, improves two pieces of support plates by support column
The structural strength of installation, mounting cup protect permanent magnets and magnetic force iron core, prevent extraneous dust or contaminating erosion permanent magnetism
Block and magnetic force iron core.
In conclusion the utility model has the following beneficial effects:
1, by being powered for the coil on magnetic force iron core, so that side and permanent magnet of the magnetic force iron core towards permanent magnet
It attracts each other towards the side of magnetic force iron core with opposite pole, the direction of magnetic force iron core to close permanent magnet is mobile, and drives
Drive rod is mobile, and then drives crank arm structure mobile, and crank arm structure drives output rod rotation, to realize combined floodgate, and magnetic force iron
Core keeps stable "on" position under the attraction of permanent magnet.
2, in automatic brake separating, for magnetic force iron core lead to reverse current so that magnetic force iron core towards permanent magnet side with forever
Magnet is mutually exclusive with like pole towards the side of magnetic force iron core, and magnetic force iron core is mobile to the direction far from permanent magnet, and
It driving drive rod mobile, and then drives crank arm structure mobile, crank arm structure drives output rod rotation, thus realize separating brake, and
Under the auxiliary of secondary spring component, gate-dividing state is kept.
3, in manual brake separating, cam pack drives magnetic force iron core mobile to the direction far from permanent magnet, when magnetic force iron core
After separating with permanent magnet, the attraction between magnetic force iron core and permanent magnet is reduced rapidly, under the auxiliary of secondary spring component, into one
It walks to the direction movement far from permanent magnet, and drives drive rod mobile, and then drive crank arm structure mobile, crank arm structure drives defeated
Rod rotation keeps gate-dividing state to realize separating brake, and under the auxiliary of secondary spring component.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of permanent-magnet operating mechanism；
Fig. 2 is the inner side elevational view of permanent-magnet operating mechanism；
Fig. 3 is the longitudinal sectional view of permanent-magnet operating mechanism；
Fig. 4 is the structural schematic diagram for assisting spring assembly；
Fig. 5 is the structural schematic diagram of crank arm structure, link assembly；
Fig. 6 is the structural schematic diagram for connecting bar assembly.
In figure: 1, mounting bracket；11, mounting plate；12, support rod；2, electromagnetic drive structures；21, shell；211, it supports
Plate；212, support column；213, mounting cup；22, permanent magnets；221, relief hole；23, magnetic force iron core；24, drive rod；3, connecting lever knot
Structure；31, the second shaft；32, the second connecting lever；33, third connecting lever；34, bar assembly is connected；341, link block；342, connecting rod；
343, connecting hole；35, the 4th connecting lever；4, output rod；5, separating brake structure；51, cam pack；511, first rotating shaft；512, separating brake
Cam；52, secondary spring component；521, the first connecting lever；522, pressure spring is assisted；6, third shaft；7, link assembly；71, the 5th
Connecting lever；72, the 6th connecting lever；73, connecting rod.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
With reference to attached drawing 1 and attached drawing 2, a kind of permanent-magnet operating mechanism, including mounting bracket 1, the electricity being set in mounting bracket 1
Magnetic driving structure 2, the crank arm structure 3 driven by electromagnetic drive structures 2 are driven by crank arm structure 3 and rotate company with mounting bracket 1
The output rod 4 connect and the separating brake structure 5 for manual brake separating.Separating brake structure 5 includes cam pack 51 and is installed on output rod 4
Secondary spring component 52(refer to attached drawing 4).
Mounting bracket 1 includes two pieces of mounting plates 11 and several support rods 12 being installed between two mounting plates 11, support rod
12 pairs of mounting plates 11 are supported connection.
With reference to attached drawing 3 and attached drawing 4, electromagnetic drive structures 2 include shell 21, and shell 21 includes two pieces of supports disposed in parallel
Plate 211, four support columns 212 being welded between two support plates 211 and mounting cup 213.Permanent magnets are installed in mounting cup 213
22 and magnetic force iron core 23, magnetic force iron core 23 be fixedly connected with a drive rod 24.Electromagnetic drive structures 2 pass through drive rod 24 and driving
Crank arm structure 3 moves.
Permanent magnets 22, which are installed on, offers relief hole 221 at the side of cam pack 51, the center of permanent magnets 22, allows
Position hole 221 is a through-hole, and aperture and the drive rod 24 of relief hole 221 match, and drive rod 24 is slidably connected with relief hole 221.
Cam pack 51 includes the first rotating shaft 511 being rotatablely connected with mounting bracket 1 and is fixedly connected with first rotating shaft 511
Separating brake cam 512, when be in "on" position when, drive rod 24 is in elongation state, the end of separating brake cam 512 and drive rod 24
Portion abuts against.
Secondary spring component 52 includes the first connecting lever 521 being fixedly connected with output rod 4 and is connected with the first connecting lever 521
Auxiliary pressure spring 522, auxiliary pressure spring 522 drive output rod 4 to separating brake direction rotate.
With reference to attached drawing 5, crank arm structure 3 includes that the second shaft 31 being rotatablely connected with mounting bracket 1 and the second shaft 31 are solid
Fixed connection and second connecting lever 32 hinged with drive rod 24, the third connecting lever 33 being fixedly connected with the second shaft 31, one end and the
The hinged connection bar assembly 34 of three connecting levers 33, the hingedly and with output rod 4 be fixedly connected with the other end for connecting bar assembly 34
Four connecting levers 35.
Drive rod 24 drives the second connecting lever 32 to be rotated, and drives the rotation of the second shaft 31, and the second rotation axis drives third
Connecting lever 33 is rotated, and third connecting lever 33 drives connection bar assembly 34 mobile, and connection bar assembly 34 drives the 4th connecting lever 35 to carry out
Mobile, the 4th connecting lever 35 drives output rod 4 to rotate, to realize separating brake and close a floodgate.
With reference to attached drawing 6, connect bar assembly 34 include the link block 341 being hinged with third connecting lever 33 and with the 4th connecting lever 35
The connecting rod 342 being hinged.The side of link block 341 towards connecting rod 342 offers connecting hole 343, connecting rod 342 with connect
Hole 343 is connected through a screw thread.Without replacement link block 341 and connecting rod 342, need to only be rotatablely connected bar 342 can be to the
The distance between three connecting levers 33 and the 4th connecting lever 35 are adjusted, easy to use.
The third shaft 6 for driving shaft rotation is additionally provided in mounting bracket 1, third shaft 6 and mounting bracket 1 rotate
Connection, third shaft 6 stretch out from the side of mounting bracket 1 and (refer to attached drawing 1).Pass through company between first rotating shaft 511 and third shaft 6
Bar assembly 7 is connected transmission, link assembly 7 include the 5th connecting lever 71 being welded and fixed with first rotating shaft 511, with third shaft 6
The 6th connecting lever 72 being welded and fixed and the connecting rod 73 being connected between the 5th connecting lever 71 and the 6th connecting lever 72, one end of connecting rod 73 with
5th connecting lever 71 is hinged, and the other end of connecting rod 73 is hinged with the 6th connecting lever 72.
Working principle:
By being powered for the coil on magnetic force iron core 23, so that side and permanent magnetism of the magnetic force iron core 23 towards permanent magnet
The side of body towards magnetic force iron core 23 attracts each other with opposite pole, and the direction of magnetic force iron core 23 to close permanent magnet is mobile,
And driving drive rod 24 mobile, and then drive crank arm structure 3 mobile, crank arm structure 3 drives output rod 4 to rotate, to realize conjunction
Lock, and magnetic force iron core 23 keeps stable "on" position under the attraction of permanent magnet.
In automatic brake separating, lead to reverse current for magnetic force iron core 23 so that magnetic force iron core 23 towards permanent magnet side with
Permanent magnet is mutually exclusive with like pole towards the side of magnetic force iron core 23, and magnetic force iron core 23 is moved to the direction far from permanent magnet
It is dynamic, and drive drive rod 24 mobile, and then drive crank arm structure 3 mobile, crank arm structure 3 drives output rod 4 to rotate, to realize
Separating brake, and under the auxiliary of secondary spring component 52, keep gate-dividing state.
In manual brake separating, cam pack 51 drives magnetic force iron core 23 mobile to the direction far from permanent magnet, when magnetic force iron
After core 23 is separated with permanent magnet, the attraction between magnetic force iron core 23 and permanent magnet is reduced rapidly, in the auxiliary of secondary spring component 52
It helps down, it is further mobile to the direction far from permanent magnet, and drive drive rod 24 mobile, and then drive crank arm structure 3 mobile, it turns
Arm configuration 3 drives output rod 4 to rotate, to realize separating brake, and under the auxiliary of secondary spring component 52, keeps gate-dividing state.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of permanent-magnet operating mechanism, which is characterized in that including mounting bracket (1), the electricity being set on the mounting bracket (1)
Magnetic driving structure (2), by the electromagnetic drive structures (2) driving crank arm structure (3), by crank arm structure (3) drive and with institute
State the output rod (4) of mounting bracket (1) rotation connection and the separating brake structure (5) for manual brake separating, the electromagnetic drive structures
(2) include shell (21), be mounted on the permanent magnets (22) of shell (21) side and have the magnetic force iron core of drive rod (24)
(23), the separating brake structure (5) includes the secondary spring component (52) being installed on output rod (4) and the promotion magnetic force iron core
(23) cam pack (51) separated with permanent magnets (22).
2. a kind of permanent-magnet operating mechanism according to claim 1, which is characterized in that cam pack (51) includes and the peace
The first rotating shaft (511) and be fixedly connected with separating brake cam (512) with the first rotating shaft (511) that dress bracket (1) is rotatablely connected.
3. a kind of permanent-magnet operating mechanism according to claim 1, which is characterized in that the secondary spring component (52) includes
The first connecting lever (521) for being fixedly connected with the output rod (4) and it is connected with first connecting lever (521) and for driving institute
State the auxiliary pressure spring (522) of output rod (4) rotation.
4. a kind of permanent-magnet operating mechanism according to claim 2, which is characterized in that the crank arm structure (3) includes and institute
State the second shaft (31) of mounting bracket (1) rotation connection, be fixedly connected with second shaft (31) and with the drive rod
(24) hinged the second connecting lever (32), the third connecting lever (33) being fixedly connected with second shaft (31), one end and described the
The hinged connection bar assembly (34) of three connecting levers (33), it is hinged with the other end of connection bar assembly (34) and with the output rod
(4) the 4th connecting lever (35) being fixedly connected.
5. a kind of permanent-magnet operating mechanism according to claim 4, which is characterized in that the connection bar assembly (34) include with
Link block (341) that the third connecting lever (33) is hinged and be hinged with the 4th connecting lever (35) and with the link block
(341) connecting rod (342) being connected.
6. a kind of permanent-magnet operating mechanism according to claim 5, which is characterized in that offered on the link block (341)
Connecting hole (343), the connecting rod (342) are connected through a screw thread with the connecting hole (343).
7. a kind of permanent-magnet operating mechanism according to claim 6, which is characterized in that also installed on the mounting bracket (1)
Have a third shaft (6) for driving the first rotating shaft (511) rotation, the first rotating shaft (511) and the third shaft (6) it
Between be provided with link assembly (7), the third shaft (6) from the side of the mounting bracket (1) stretch out.
8. a kind of permanent-magnet operating mechanism according to claim 7, which is characterized in that the link assembly (7) includes and
The 5th connecting lever (71) that one shaft (511) is fixedly connected, the 6th connecting lever (72) and one being fixedly connected with the third shaft (6)
The connecting rod (73) for holding and the other end and sixth connecting lever (72) hinged with the 5th connecting lever (71) to be hinged.
9. a kind of permanent-magnet operating mechanism according to claim 1, which is characterized in that the permanent magnets (22) are installed on close
Cam pack (51) side offers the relief hole worn for the drive rod (24) at the center of the permanent magnets (22)
(221).
10. a kind of permanent-magnet operating mechanism according to claim 1, which is characterized in that the shell (21) includes two pieces flat
Two pieces of support plates (211) of row setting, several support columns (212) for being mounted between support plate (211) and with the permanent magnets
(22) and the mounting cup (213) that matches of magnetic force iron core (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555135.4U CN208796902U (en) | 2018-09-21 | 2018-09-21 | A kind of permanent-magnet operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555135.4U CN208796902U (en) | 2018-09-21 | 2018-09-21 | A kind of permanent-magnet operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208796902U true CN208796902U (en) | 2019-04-26 |
Family
ID=66210550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555135.4U Active CN208796902U (en) | 2018-09-21 | 2018-09-21 | A kind of permanent-magnet operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208796902U (en) |
-
2018
- 2018-09-21 CN CN201821555135.4U patent/CN208796902U/en active Active
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