CN201829404U - Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears - Google Patents
Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears Download PDFInfo
- Publication number
- CN201829404U CN201829404U CN2010205646667U CN201020564666U CN201829404U CN 201829404 U CN201829404 U CN 201829404U CN 2010205646667 U CN2010205646667 U CN 2010205646667U CN 201020564666 U CN201020564666 U CN 201020564666U CN 201829404 U CN201829404 U CN 201829404U
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- China
- Prior art keywords
- shaft
- interlocking
- main shaft
- interlocking shaft
- mechanism case
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Abstract
The utility model discloses a three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears, which comprises a mechanism case (2), a spindle (1) and an interlocking mechanism; the spindle (1) is driven by a motor (15); the interlocking mechanism is connected with the spindle (1), and comprises a first interlocking shaft (4), an auxiliary interlocking shaft (9) and a second interlocking shaft (11); and the three-position operation and interlocking of the three-position operation and interlocking unit is formed by the spindle (1), the first interlocking shaft (4), the auxiliary interlocking shaft (9) and the second interlocking shaft (11). The utility model has the advantages of simple and compact structure, less parts, complete functions, high reliability, low cost, small size and light weight, and is convenient to repair.
Description
Technical field
The utility model relates to a kind of isolating switch with operating and interlock particularly a kind of Cubicle Gas-Insulated Switchgear three station manipulations and interlock.
Background technology
A large amount of three station manipulations and interlocks of using in the switchgear, the gas-insulated high-voltage switchgear assembly three-station that uses advances with all employing levels of operating mechanism at present, connects with the sprocket wheel chain between phase and phase, volume is big, complex structure needs very big operational power, and reliability is lower.
The utility model content
Technical problem to be solved in the utility model provides a kind of Cubicle Gas-Insulated Switchgear simple in structure, easy to maintenance three station manipulations and interlock.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of Cubicle Gas-Insulated Switchgear three station manipulations and interlock, it comprises the main shaft of mechanism case and driven by motor, main shaft is installed on the mechanism case, the end of main shaft is connected with mechanism case connecting lever outward, connecting lever is connected with isolating switch, realizes the divide-shut brake of isolating switch.
Mechanism case above the main shaft is provided with first interlocking shaft, and the head end of the described first chain axle is connected with mechanism case baffle plate outward, and described baffle plate covers the head end of main shaft when plumbness; Be provided with movable frid between first interlocking shaft and main shaft, movable frid one end is connected with main shaft, and the both sides of first interlocking shaft flexibly connect by the groove of axle with movable frid; Also be provided with first line shaft parallel in the both sides of first interlocking shaft with first interlocking shaft.
Below first interlocking shaft, be provided with auxiliary chain axle, described auxiliary chain axle two ends are arranged on the mechanism case and are vertical with first interlocking shaft, side on auxiliary interlocking shaft is provided with second line shaft parallel with assisting interlocking shaft, and described second line shaft contacts with first interlocking shaft, first line shaft under the level.
Above-mentioned first interlocking shaft, auxiliary chain axle are realized interlocking.
Also be provided with second interlocking shaft on the mechanism case above the main shaft, described second interlocking shaft is connected with main shaft by connecting rod.Second interlocking shaft is connected with auxiliary switch, by the control of the signal of telecommunication, realizes interlocking.
Be respectively arranged with spring between described first interlocking shaft, auxiliary chain axle and the second chain axle and the mechanism case.Make and possess restorable ability after above-mentioned each motion.
Machine operation when preventing manual operation, be provided with travel switch on the first interlocking shaft limit, want the manual operation main shaft, need be with the baffle plate shift position on first interlocking shaft, even the first chain axle is rotated in the position of moving stop, this moment, first interlocking shaft produced signal to travel switch, the running of control motor.
General main shaft is in three positions of ground connection, isolation and connection, for the angle that prevents the walking of driven by motor main shaft goes beyond the scope, also is provided with travel switch on described main shaft limit, and the rotational angle that main shaft drives connecting lever is promptly further controlled in the running of control motor.
Motor is the rotating direct current machine in the utility model.
The utility model all can be realized the full bi-directional locking in connection, ground connection and isolated location.Can make three-station finish the operation of its " ground connection-isolation " and " isolation-connection ".And three positions indication with connection, isolation, ground connection.Be mainly used in metal enclosed the opening of the edge of drawing last breath of rated current 630-2500A.
The utility model is simple in structure, compact, and parts are few, and is multiple functional, the reliability height, and cost is low, and volume is little, and is in light weight, easy to maintenance.This mechanism can be complementary with any one circuit breaker operation mechanism, mechanism's integral replacing maintenance also can be carried out repair and replacement to parts on three-station during maintenance.
The utility model has realized that isolating switch is in shared operating mechanism of earthed switch and drive system, make overall dimensions significantly reduce, this operating mechanism is all made locking by oneself in each position, can not change the position of the switch because of the collision of other external force, and product is reliable so significantly improve.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a vertical view of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, a kind of Cubicle Gas-Insulated Switchgear three station manipulations and interlock, it comprises the main shaft 1 of mechanism case 2 and driven by motor, main shaft 1 is installed on the mechanism case 2, the end of main shaft 1 is connected with mechanism case 2 connecting lever 3 outward, connecting lever 3 is connected with isolating switch, realizes the divide-shut brake of isolating switch.
Mechanism case 2 above the main shaft 1 is provided with first interlocking shaft 4, and the head end of the described first chain axle 4 is connected with mechanism case 2 baffle plate 5 outward, and described baffle plate 5 covers the head end of main shaft 1 when plumbness; 1 on first interlocking shaft 4 and main shaft are provided with movable frid 6, and movable frid 6 one ends are connected with main shaft 1, and the both sides of first interlocking shaft 4 flexibly connect by the groove 7 of axle with movable frid 6; Also be provided with first line shaft 8 parallel with first interlocking shaft 4 in the both sides of first interlocking shaft 4.
Below first interlocking shaft 4, be provided with auxiliary chain axle 9, described auxiliary chain axle 9 two ends are arranged on the mechanism case 2 and are vertical with first interlocking shaft 4, side on auxiliary interlocking shaft 9 is provided with second line shaft 10 parallel with assisting interlocking shaft 9, and described second line shaft 10 contacts with first interlocking shaft 4, first line shaft 8 under the level.
Above-mentioned first interlocking shaft 4, auxiliary chain axle 9 are realized interlocking.
Also be provided with second interlocking shaft 11 on the mechanism case above the main shaft 12, described second interlocking shaft 11 is connected with main shaft 1 by connecting rod 12.Second interlocking shaft 11 is connected with auxiliary switch, by the control of the signal of telecommunication, realizes interlocking.
Be respectively arranged with spring 13 between described first interlocking shaft 4, auxiliary chain the axle 9 and second chain axle 11 and the mechanism case 2.Make and possess restorable ability after above-mentioned each motion.
Machine operation when preventing manual operation, be provided with travel switch 14 on first interlocking shaft, 4 limits, want manual operation main shaft 1, need be with 4 baffle plate 5 shift positions on first interlocking shaft, even the first chain axle 4 is rotated in the position of moving stop 5,4 pairs of travel switches of first interlocking shaft this moment 14 produce signal, the running of control motor 15 or other the signal of telecommunication.
General main shaft 1 is in three positions of ground connection, isolation and connection, for the angle that prevents 1 walking of motor 15 drive main shafts goes beyond the scope.
The 1 electronic isolator operation that closes
Begin to clockwise rotate after tri-station isolating switch is received signal, motor 15 drives main shaft 1 and rotates by the reducing gear speed change, and main shaft 1 half-twist connects tri-station isolating switch by the connecting lever on the main shaft 13, finishes connection.
After tri-station isolating switch was received commutation signal, the driven by motor main shaft began to rotate counterclockwise, and finishes isolation.
After tri-station isolating switch was received ground connection instruction, motor 15 drove main shafts 1 and continues to rotate counterclockwise and finish ground connection.
On reductor support shaft or the main shaft 1 cam and travel switch are housed, 360 ° of rear motors of revolution cut off the power supply automatically.The rotational angle that main shaft 1 drives connecting lever 3 is promptly further controlled in the running of control motor 15.
2 manual operations
Connection, opening operation:
Baffle plate 5 inserts the three-station closing operation handle that is used with main shaft 1 head end on main shaft 1 after anticlockwise, can switch on and off operation.
Disconnect the ground connection operation:
Baffle plate 5 inserts three station ground connection handles after right rotation, both can disconnect with ground connection and having operated.
Mechanical interlocking:
Mechanical interlocking under the condition of determining, is realized by the manual actuating main shaft 1 of tri-station isolating switch only.When circuit breaker is in "on" position, auxiliary chain axle 9 is connected with the breaker operator structure, the position of auxiliary chain axle 9 is fixed, the manual actuating of three position mechanism is locking, second line shaft 10 tightly is close to first chain axle 4 and first line shaft 8, the first chain axle 4 can't rotate, and the plate washer 5 on the first chain axle 4 can't move, and can't operate main shaft 1.
After having only breaker open operation, manual operation baffle plate 5 just can be opened, this moment, auxiliary chain axle 9 was movable, first line shaft 8 of the first chain axle 4 can be oppressed 10 activities of second line shaft, could use operating grip that main shaft 1 is operated this moment, promptly to isolating switch or earthed switch operation, when baffle plate 5 was opened, circuit breaker electrical equipment still was that machinery all can't be operated.
The foregoing description limits the utility model never in any form, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in the protection range of the present utility model.
Claims (2)
1. Cubicle Gas-Insulated Switchgear three station manipulations and interlock, it is characterized in that comprising the main shaft (1) of mechanism case (2) and motor (15) drive, main shaft (1) is installed on the mechanism case (2), and the end of main shaft (1) is connected with mechanism case (2) connecting lever (3) outward;
The mechanism case (2) of main shaft (1) top is provided with first interlocking shaft (4), and the head end of the described first chain axle (4) is connected with mechanism case (2) baffle plate (5) outward, and described baffle plate (5) covers the head end of main shaft (1) when plumbness; Be provided with movable frid (6) between first interlocking shaft (4) and main shaft (1), movable frid (6) one ends are connected with main shaft (1), and the both sides of first interlocking shaft (4) flexibly connect by the groove (7) of axle with movable frid (6); Also be provided with first line shaft (8) parallel with first interlocking shaft (4) in the both sides of first interlocking shaft (4);
Be provided with auxiliary chain axle (9) in the below of first interlocking shaft (), it is last and vertical with first interlocking shaft (4) that described auxiliary chain axle (9) two ends are arranged on mechanism case (2), side on auxiliary interlocking shaft (9) is provided with second line shaft (10) parallel with assisting interlocking shaft (9), and described second line shaft (10) contacts with first interlocking shaft (4), first line shaft (8) under the level;
Also be provided with second interlocking shaft (11) on the mechanism case (2) of main shaft (1) top, described second interlocking shaft (11) is connected with main shaft (1) by connecting rod (12);
Be respectively arranged with spring (13) between described first interlocking shaft (4), auxiliary chain axle (9) and the second chain axle (11) and the mechanism case (2).
2. Cubicle Gas-Insulated Switchgear three station manipulations according to claim 1 and interlock is characterized in that: be provided with travel switch (14) at described main shaft (1) and first interlocking shaft (4) limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205646667U CN201829404U (en) | 2010-10-15 | 2010-10-15 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205646667U CN201829404U (en) | 2010-10-15 | 2010-10-15 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829404U true CN201829404U (en) | 2011-05-11 |
Family
ID=43967924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205646667U Expired - Lifetime CN201829404U (en) | 2010-10-15 | 2010-10-15 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201829404U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426969A (en) * | 2011-11-27 | 2012-04-25 | 天水长城开关厂有限公司 | Three-station isolating switch three-position interlocking device |
| CN103208397A (en) * | 2013-05-06 | 2013-07-17 | 浙江华仪电器科技有限公司 | Three-station operating mechanism for vacuum disconnecting switch |
| CN105679591A (en) * | 2016-02-29 | 2016-06-15 | 上海天灵开关厂有限公司 | Switch cabinet, three-position isolation switching mechanism and mistake switching prevention grounding interlocking device of three-position isolation switching mechanism |
| CN106531537A (en) * | 2016-11-25 | 2017-03-22 | 江苏省如高高压电器有限公司 | Isolating circuit breaker locking device |
-
2010
- 2010-10-15 CN CN2010205646667U patent/CN201829404U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426969A (en) * | 2011-11-27 | 2012-04-25 | 天水长城开关厂有限公司 | Three-station isolating switch three-position interlocking device |
| CN102426969B (en) * | 2011-11-27 | 2014-04-30 | 天水长城开关厂有限公司 | Three-station isolating switch three-position interlocking device |
| CN103208397A (en) * | 2013-05-06 | 2013-07-17 | 浙江华仪电器科技有限公司 | Three-station operating mechanism for vacuum disconnecting switch |
| CN103208397B (en) * | 2013-05-06 | 2014-12-03 | 浙江华仪电器科技有限公司 | Three-station operating mechanism for vacuum disconnecting switch |
| CN105679591A (en) * | 2016-02-29 | 2016-06-15 | 上海天灵开关厂有限公司 | Switch cabinet, three-position isolation switching mechanism and mistake switching prevention grounding interlocking device of three-position isolation switching mechanism |
| CN106531537A (en) * | 2016-11-25 | 2017-03-22 | 江苏省如高高压电器有限公司 | Isolating circuit breaker locking device |
| CN106531537B (en) * | 2016-11-25 | 2018-08-10 | 江苏省如高高压电器有限公司 | A kind of isolation circuit breakers close locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |