CN209374298U - A kind of series connection linkage cam mechanism - Google Patents
A kind of series connection linkage cam mechanism Download PDFInfo
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- CN209374298U CN209374298U CN201920329732.3U CN201920329732U CN209374298U CN 209374298 U CN209374298 U CN 209374298U CN 201920329732 U CN201920329732 U CN 201920329732U CN 209374298 U CN209374298 U CN 209374298U
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- isolation
- breaker
- cam
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- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 115
- 238000010586 diagram Methods 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a kind of series connection linkage cam mechanisms.The center of the isolation grooved cam is provided with square shaft mouth I, annular isolation slot is provided on the isolation grooved cam, isolation channel cylinder is set on the annular isolation slot, isolation channel support arm is connected on the isolation channel cylinder, the one end of the isolation channel support arm by the connection isolation connecting lever of shaft I, the other end connection isolation axis of the isolation connecting lever.The utility model for disconnecting switch connect with killer switch link cam mechanism.
Description
Technical field
The utility model relates to field of circuit breakers more particularly to a kind of series connection linkage cam mechanisms.
Background technique
" vacuum circuit breaker " dielectric of contact gap after its arc-extinguishing medium and arc extinguishing is gained the name due to being all high vacuum；Its
Have the advantages that it is small in size, light-weight, be suitable for frequent operation, arc extinguishing does not have to maintenance, using more universal in power distribution network.Very
Empty breaker is usually 3~10kV, the indoor distribution in 50Hz three-phase alternating current system, for industrial and mining enterprises, power plant, change
It is used in power station as the protection of electrical equipment and control, especially suitable for requiring making for non-oil ultra high vacuum system, few maintenance and frequent operation
With place, breaker is configurable on middle-placed switch cabinet, double-layer cabinet, fixes in cabinet and use as control and protection high voltage electric equipment.
The drive shaft control vacuum bubbles of breaker close, and due to vacuum interrupter arc quenching characteristic, electric current is in non-zero passage
It is cut-off, especially when cut-offfing inductance current or capacity current, generating recovery voltage leads to the contact of oneself disconnection of vacuum interrupter
Between repeated breakdown, electric arc re-ignition, breaker failure of interruption, that is, the overvoltage being commonly called as.
Normal ON circuit is by manually or mechanically closing disconnecting switch and killer switch respectively, and will generate can not
The time difference of control, therefore it is extremely easy to produce overvoltage, the vacuum bubbles of disconnecting switch and killer switch can be caused to damage.
Utility model content
The purpose of the utility model is to provide a kind of series connection linkage cam mechanism, two cam synchronous rotaries realize open circuit
Device switch with the linkage of connecting of disconnecting switch, prevent overvoltage.
Above-mentioned purpose is realized by following technical scheme:
The center of a kind of series connection linkage cam mechanism, isolation grooved cam 1 is provided with square shaft mouth I 2, the isolation grooved cam
It is provided with annular isolation slot 3 on 1, isolation channel cylinder 4 is set on the annular isolation slot 3, is connected on the isolation channel cylinder 4
One end of connecting lever 7 is isolated by the connection of shaft I 6 for isolation channel support arm 5, the isolation channel support arm 5, the isolation connecting lever 7
Other end connection isolation axis 8,
Square shaft 9 is passed through on the square shaft mouth I 2, the square shaft 9 also extends through the square shaft of breaker cam 10
Mouthfuls II 11, annular break tank 12 is provided on the breaker cam 10, and open circuit is set on the annular break tank 12
Device cylinder 13, breaker support arm I 14 is connected on the breaker cylinder 13, and the breaker support arm I 14 passes through shaft II
One end of 15 connection breaker driving connecting levers 16, the other end of the breaker driving connecting lever 16 connect breaker drive shaft
17, the isolation grooved cam 1 and breaker cam 10 are coaxial, the isolation grooved cam 1 and the equal up time of breaker cam 10
When needle rotation, the isolation grooved cam 1 and breaker cam 10 rotate 0 degree, the isolation channel cylinder 4 being isolated on grooved cam 1 exists
The distal shaft point or paraxial point of annular isolation slot 3, the breaker cylinder 13 on breaker cam 10 is in the close of annular break tank 12
Axis point or distal shaft point；
When the isolation grooved cam 1 and breaker cam 10 rotates clockwise 180 degree, the isolation on grooved cam 1 is isolated
Slot cylinder 4 is in the paraxial point or distal shaft point of annular isolation slot 3, and the breaker cylinder 13 on breaker cam 10 is in annular break device
The distal shaft point or paraxial point of slot 12.
Further, when the isolation grooved cam 1 and breaker cam 10 are rotated by 90 °, be isolated on grooved cam 1 every
From breaker cylinder 13 of the slot cylinder 4 on 1 point of the axis of annular isolation slot 3 or 1 point of axis, breaker cam 10 in annular
1 point of the axis of breaking tank 12 or 1 point of axis；
When the isolation grooved cam 1 and breaker cam 10 rotates 270 degree, the isolation channel cylinder 4 on grooved cam 1 is isolated
Breaker cylinder 13 on 1 point of the axis of annular isolation slot 3 or 1 point of axis, breaker cam 10 is in annular break tank 12
1 point of axis or 1 point of axis；
When the isolation grooved cam 1 and breaker cam 10 is rotated by 360 °, it is reset to 0 degree.
Further, the tail end of the isolation connecting lever 7 and breaker driving connecting lever 16 is disposed opposite to each other, the isolation channel
Support arm 5 is identical as I 14 length of breaker support arm.The annular isolation slot 3 is different from 12 shape of annular break tank.
The utility model has the advantages that
Due to isolation grooved cam 1 with breaker cam 10 be it is coaxial, when closing operation, square shaft 9 rotates clockwise 90 degree,
Isolation axis 8, which rotates clockwise, makes isolator close a floodgate, and breaker drive shaft 17 does not turn breaker and is in gate-dividing state.Square shaft 9 is revolved
Turnback, isolation axis 8 do not rotate at this time, and isolator is in "on" position, and breaker drive shaft 17 rotates clockwise, and breaks
Road device completes feed motion.
Square shaft 9 further rotates clockwise 270 degree, and isolation axis 8 does not rotate, and isolator is in "on" position, breaker
Drive shaft 17 rotates counterclockwise, breaker open operation, i.e., vacuum bubbles 21 and insulated pull rod 23 disconnect at this time, the wind for having overvoltage to occur
Danger.When square shaft 9 rotates clockwise 360 degree, isolation axis 8 rotates counterclockwise, and isolator is disconnected, i.e., before and after the closing of two switches
Sequence is obvious, and it is small to close the time difference.
The utility model series connection linked switch, after vacuum bubbles (also known as breaker vacuum arc-chutes) are cut-off, isolator
It then turns off, arcing can not be generated between the big fracture of isolator by restoring voltage, and two fractures of isolator make vacuum bubbles (again
Claim vacuum interrupter) also can not re-ignition, also avoid restore voltage influence.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the isolator cam separating brake structural schematic diagram of the utility model.
Attached drawing 3 is the breaker cam separating brake structural schematic diagram of the utility model.
Attached drawing 4 is that the isolator cam of the utility model turn 90 degrees structural schematic diagram.
Attached drawing 5 is that the breaker cam of the utility model turn 90 degrees structural schematic diagram.
Attached drawing 6 is the isolator cam turnback structural schematic diagram of the utility model.
Attached drawing 7 is the breaker cam turnback structural schematic diagram of the utility model.
Attached drawing 8 is that the isolator cam of the utility model turns 270 degree of structural schematic diagrams.
Attached drawing 9 is that the breaker cam of the utility model turns 270 degree of structural schematic diagrams.
Attached drawing 10 is the isolator cam three-sixth turn structural schematic diagram of the utility model.
Attached drawing 11 is the breaker cam three-sixth turn structural schematic diagram of the utility model.
Attached drawing 12 is the top view of attached drawing 1.
Attached drawing 13 is the linked switch structure schematic diagram of the utility model.
Specific embodiment
The center of a kind of series connection linkage cam mechanism, isolation grooved cam 1 is provided with square shaft mouth I 2, the isolation grooved cam
It is provided with annular isolation slot 3 on 1, isolation channel cylinder 4 is set on the annular isolation slot 3, is connected on the isolation channel cylinder 4
One end of connecting lever 7 is isolated by the connection of shaft I 6 for isolation channel support arm 5, the isolation channel support arm 5, the isolation connecting lever 7
Other end rotation connection isolation axis 8, isolation axis 8 is fixed,
One end diameter for connecting the isolation connecting lever 7 of shaft I 6 is less than the other end that the isolation connecting lever 7 of axis 8 is isolated in connection, such as
Shown in Fig. 2；
Square shaft 9 is passed through on the square shaft mouth I 2, the square shaft 9 also extends through the square shaft of breaker cam 10
Mouthfuls II 11, annular break tank 12 is provided on the breaker cam 10, and open circuit is set on the annular break tank 12
Device cylinder 13, breaker support arm I 14 is connected on the breaker cylinder 13, and the breaker support arm I 14 passes through shaft II
One end of 15 connection breaker driving connecting levers 16, the other end rotation connection breaker driving of the breaker driving connecting lever 16
Axis 17；Breaker drive shaft 17 is fixed, and the isolation grooved cam 1 and breaker cam 10 is coaxial,
One end diameter for connecting the breaker driving connecting lever 16 of shaft II 15 is less than the open circuit of connection breaker drive shaft 17
Device drives the other end of connecting lever 16, as shown in Figure 3.
Further, the tail end of the isolation connecting lever 7 and breaker driving connecting lever 16 is disposed opposite to each other, the isolation channel
Support arm 5 is identical as I 14 length of breaker support arm.The annular isolation slot 3 is different from 12 shape of annular break tank.
Grooved cam 1 is isolated and breaker cam 10 is coaxial, front and back setting.
Main connecting lever 27 is isolated by the connection of shaft IV 28 in the tache motorice of conductive component 20, and the main connecting lever 27 of the isolation rotates
It is connected on isolation axis 8；Isolation axis 8 rotates clockwise, and pushes conductive component to move upwards by the way that main connecting lever 27 is isolated, realize every
It closes a floodgate from device.
It is rotatablely connected breaker in the breaker drive shaft 17 and drives connecting lever 24, the breaker drives main connecting lever
24 connect breaker support arm II 26 by shaft III 25, and the breaker support arm II 26 is rotatablely connected lower connecting lever 22, described
Lower connecting lever 22 pushes insulated pull rod 23 to move upwards, and insulated pull rod 23 is made to connect vacuum bubbles 21, i.e. breaker is completed to close a floodgate.
The axis of the distal shaft point, paraxial point said below is square shaft 9:
Attached drawing 2 and the coaxial use of attached drawing 3, are isolated the isolation channel cylinder 4 on grooved cam 1 in the distal shaft point of annular isolation slot 3
Or paraxial point, breaker cylinder 13 on breaker cam 10 annular break tank 12 paraxial point or distal shaft point, breaker,
Isolator is gate-dividing state,
Attached drawing 4 and the coaxial use of attached drawing 5, since isolation grooved cam 1 rotates clockwise, isolation channel cylinder 4 is in annular isolation
1 point of the axis (paraxial point is when upper) or 1 point of axis (when paraxial point is under) of slot 3, the breaker cylinder on breaker cam 10
13 annular break tank 12 1 point of axis (when paraxial point is under) or 1 point of axis (paraxial point is when upper), be isolated grooved cam 1
For breaker is motionless, isolator "on" position when rotating clockwise 90 degree with breaker cam 10；
Attached drawing 6 and the coaxial use of attached drawing 7, since isolation grooved cam 1 rotates clockwise, isolation channel cylinder 4 is in annular isolation
Grooved cam 1 is isolated in the distal shaft point of annular break tank 12 in the paraxial point of slot 3, the breaker cylinder 13 on breaker cam 10
It is breaker when rotating clockwise 180 degree with breaker cam 10, isolator is "on" position；
Attached drawing 8 and the coaxial use of attached drawing 9, since isolation grooved cam 1 rotates clockwise, isolation channel cylinder 4 is in annular isolation
1 point of the axis (paraxial point is when lower upper) or 1 point of axis (paraxial point is when upper) of slot 3, the breaker circle on breaker cam 10
Geosynclinal convex was isolated in 1 point of the axis (paraxial point is when upper) or 1 point of axis (when paraxial point is under) of annular break tank 12 in column 13
Wheel 1 is breaker open operation, isolator "on" position when rotating clockwise 270 degree with breaker cam 10；Breaker and vacuum bubbles
Connection,
The isolation on grooved cam 1 is isolated since isolation grooved cam 1 rotates clockwise with the coaxial use of attached drawing 11 in attached drawing 10
Slot cylinder 4 is in the distal shaft point or paraxial point of annular isolation slot 3, and the breaker cylinder 13 on breaker cam 10 is in annular break device
The paraxial point or distal shaft point of slot 12, isolation grooved cam 1 are breaker when rotating clockwise 360 degree with breaker cam 10, are isolated
Device is gate-dividing state (reset).
Rotation is the rotation according to initial position.
Due to two cams be it is coaxial, when combined floodgate, square shaft 9 is rotated by 90 °, and isolation grooved cam 1 and breaker cam 10 are same
90 degree of Shi Yundong, isolation is closed a floodgate, and breaker is in gate-dividing state and does not rotate, and will not generate overvoltage,
Square shaft 9 rotates 180 degree, and isolation grooved cam 1 and breaker cam 10 move 180 degree simultaneously, and isolation axis does not rotate,
Isolation or "on" position, breaker close a floodgate at this time, complete feed motion, will not generate overvoltage.
Square shaft further rotates 270 degree, and isolation grooved cam 1 and breaker cam 10 move 270 degree simultaneously, and isolation axis is not
Turning, disconnecting switch is "on" position, killer switch separating brake, i.e., vacuum bubbles disconnect at this time, the case where having overvoltage generation, but
When being that square shaft is rotated by 360 °, every off-axis rotation, disconnecting switch is disconnected, i.e., the closing tandem of two switches is obvious, when closing
Between difference it is small, so as to avoid the generation of overvoltage.5
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (3)
1. a kind of series connection linkage cam mechanism, it is characterized in that: the center of isolation grooved cam (1) is provided with square shaft mouth I (2), it is described
Isolation grooved cam (1) on be provided with annular isolation slot (3), on the annular isolation slot (3) be arranged isolation channel cylinder (4), institute
Isolation channel support arm (5) are connected on the isolation channel cylinder (4) stated, the isolation channel support arm (5) passes through shaft I (6) connection isolation
One end of connecting lever (7), other end connection isolation axis (8) of the isolation connecting lever (7),
Across square shaft (9) on the square shaft mouth I (2), the square shaft (9) also extends through the side of breaker cam (10)
Shape axis mouth II (11) is provided with annular break tank (12) on the breaker cam (10), the annular break tank
(12) breaker cylinder (13) are set on, connect breaker support arm I (14) on the breaker cylinder (13), the open circuit
Device support arm I (14) connects one end of breaker driving connecting lever (16) by shaft II (15), and the breaker drives connecting lever
(16) the other end connects breaker drive shaft (17),
The isolation grooved cam (1) and breaker cam (10) coaxially, the isolation grooved cam (1) and breaker cam
(10) it rotates clockwise, when the isolation grooved cam (1) and breaker cam (10) rotate 0 degree, in isolation grooved cam (1)
Distal shaft point or paraxial point of the isolation channel cylinder (4) in annular isolation slot (3), breaker cylinder on breaker cam (10)
(13) in the paraxial point of annular break tank (12) or distal shaft point；
When the isolation grooved cam (1) and breaker cam (10) rotate clockwise 180 degree, in isolation grooved cam (1) every
From slot cylinder (4) in the paraxial point or distal shaft point of annular isolation slot (3), the breaker cylinder (13) on breaker cam (10) exists
The distal shaft point or paraxial point of annular break tank (12).
2. a kind of series connection linkage cam mechanism according to claim 1, it is characterized in that: the isolation grooved cam (1) with
When breaker cam (10) is rotated by 90 °, the isolation channel cylinder (4) on grooved cam (1) is isolated in the axis I of annular isolation slot (3)
Point or 1 point of axis, breaker cylinder (13) on breaker cam (10) annular break tank (12) 1 point of axis or in
1 point of axis；
Isolation channel circle when the isolation grooved cam (1) and breaker cam (10) rotates 270 degree, in isolation grooved cam (1)
Breaker cylinder (13) of the column (4) on 1 point of the axis of annular isolation slot (3) or 1 point of axis, breaker cam (10) is in ring
1 point of the axis of shape open circuit tank (12) or 1 point of axis；
When the isolation grooved cam (1) and breaker cam (10) is rotated by 360 °, it is reset to 0 degree.
3. a kind of series connection linkage cam mechanism according to claim 1, it is characterized in that: the isolation connecting lever (7) and disconnected
The tail end of road device driving connecting lever (16) is disposed opposite to each other, and the isolation channel support arm (5) is identical as breaker support arm I (14) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329732.3U CN209374298U (en) | 2019-03-15 | 2019-03-15 | A kind of series connection linkage cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329732.3U CN209374298U (en) | 2019-03-15 | 2019-03-15 | A kind of series connection linkage cam mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374298U true CN209374298U (en) | 2019-09-10 |
Family
ID=67824166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329732.3U Expired - Fee Related CN209374298U (en) | 2019-03-15 | 2019-03-15 | A kind of series connection linkage cam mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374298U (en) |
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2019
- 2019-03-15 CN CN201920329732.3U patent/CN209374298U/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: 20190910 |