CN102751127B - Isolating/grounding switch transmission device - Google Patents
Isolating/grounding switch transmission device Download PDFInfo
- Publication number
- CN102751127B CN102751127B CN201210232170.3A CN201210232170A CN102751127B CN 102751127 B CN102751127 B CN 102751127B CN 201210232170 A CN201210232170 A CN 201210232170A CN 102751127 B CN102751127 B CN 102751127B
- Authority
- CN
- China
- Prior art keywords
- isolating
- drive system
- grounding switch
- crank arm
- phase drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an isolating/grounding switch transmission device, which comprises a secondary input shaft, an outer crank arm, an inner crank arm and a tertiary output shaft, wherein the secondary input shaft is fixedly connected with one end of the outer crank arm; the other end of the outer crank arm is connected with one end of the inner crank arm through a pin; the other end of the inner crank arm is fixedly connected with the tertiary output shaft; the tertiary output shaft and the secondary input shaft are arranged parallel to each other and are not coaxial with each other; the distance between the central line of the secondary input shaft and the central line of the pin is greater than the distance between the central line of the tertiary output shaft and the central line of the pin; and the tertiary output shaft is fixedly connected with an isolating/grounding moving contact of a corresponding isolating/grounding switch. According to two crank arms with different lengths, a 60-degree output angle of an operating mechanism is converted into a 90-degree functional angle of the isolating/grounding switch, so that three-phase mechanical linkage of the isolating/grounding switch can be realized by using one operating mechanism; and moreover, the isolating/grounding switch transmission device is simple in structure, easy to implement and reliable in performance, so that the structure of the product is optimized further.
Description
[technical field]
Patent of the present invention belongs to high voltage electric switch field, particularly a kind of gas insulated metal enclosed swit chgear high_voltage isolation/earthed switch transmission device.
[background technology]
At present, gas insulated metal enclosed swit chgear isolating/grounding switch transmission device has two kinds of structures, and a kind of is be the rectilinear motion of isolating/grounding switch moving contact by the convert rotational motion of motor output shaft; A kind of is the rotary motion of motor output shaft directly transmitted or be indirectly transferred to the rotary motion of isolating/grounding switch moving contact.In the structure of rear a kind of isolating/grounding switch transmission device, normally each phase of A, B, C three-phase isolating/grounding switch is respectively with an operating mechanism, three operating mechanisms realize three-phase ganged by electrical connection, the isolating/grounding switch angle completed needed for function is the output angle of operating mechanism, add the weight of product on the one hand, too increase the cost of product on the other hand.
[summary of the invention]
The object of the present invention is to provide a kind of isolating/grounding switch transmission device, on operating mechanism is arranged on combined electrical apparatus B isolated/earthed switch, the output angle 60 ° of operating mechanism is converted to isolating/grounding switch functional perspective 90 °, other two-phase transmission crank arm is connected again by pull bar between product three-phase, can realize the three phase mechanical linkage realizing isolating/grounding switch with an operating mechanism, this structure is simple, is easy to realize, dependable performance, thus product structure is optimized further.
To achieve these goals, the present invention adopts following technical scheme:
A kind of isolating/grounding switch transmission device, comprise first-phase drive system, described first-phase drive system comprises secondary power shaft, outer connecting lever, interior connecting lever and three grades of output shafts; Secondary power shaft is fixedly connected with one end of outer connecting lever, and the other end of outer connecting lever connects one end of interior connecting lever by pin, the other end of interior connecting lever is fixedly connected with three grades of output shafts; Three grades of output shafts and secondary power shaft be arranged in parallel, but disalignment; Spacing between secondary power shaft center line and pin center line is greater than the spacing between three grades of output shaft center lines and pin center line; Three grades of output shafts are fixedly connected with the isolation/ground connection moving contact of corresponding isolated/earthed switch; Static contact isolation switch and static contact of grounding switch is furnished with in the circumference that isolation/ground connection moving contact (8) rotates.
The present invention further improves and is: static contact isolation switch and static contact of grounding switch are arranged vertically mutually.
The present invention further improves and is: described transmission device also comprises one-level output shaft and the first transmission crank arm; One-level output shaft one end is connected with motor, and the other end connects in the middle part of the first transmission crank arm; Secondary power shaft and one-level output shaft are coaxially arranged, and secondary power shaft is connected with one-level output shaft by the hexagonal hole of the first transmission crank arm.
The present invention further improves and is: described isolating/grounding switch transmission device also comprises second-phase drive system, third phase drive system, two the second transmission crank arm and two shackle rods; Second-phase drive system is identical with first-phase drive system structure with third phase drive system; Two the second transmission crank arm are fixedly connected with the secondary power shaft of third phase drive system with second-phase drive system respectively, and two the second transmission crank arm connect the two ends of the first transmission crank arm by two shackle rods.
The present invention further improves and is: first-phase driveline arrangement is between second-phase drive system and third phase drive system.
The present invention further improves and is: secondary power shaft drives outer connecting lever to rotate 60 degree around secondary power shaft, and interior connecting lever drives three grades of output shaft 90-degree rotations.
Compared with prior art, beneficial effect of the present invention is: the present invention passes through two different connecting levers of length, and the output angle 60 ° of operating mechanism is converted into isolating/grounding switch functional perspective 90 °.Thus an operating mechanism can be used to realize isolating/grounding switch three phase mechanical linkage, this invention structure is simple, is easy to realize, and dependable performance, makes product structure optimize further.
[accompanying drawing explanation]
Fig. 1 is the structural representation of three phase mechanical linkage isolating/grounding switch;
Fig. 2 be the B cut open along A-A line in Fig. 1 isolated/earthed switch transmission structures schematic diagram;
Fig. 3 is isolating/grounding switch transmission structures schematic diagram;
Fig. 4 a is that isolating/grounding switch is in isolation point, ground connection divides position view; Fig. 4 b is that isolating/grounding switch is in every clutch position schematic diagram; Fig. 4 c is that isolating/grounding switch is in ground connection conjunction position view.
[embodiment]
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Refer to shown in Fig. 1 to Fig. 4, a kind of isolating/grounding switch transmission device of the present invention, comprises one-level output shaft 1, first transmission crank arm 2, secondary power shaft 3, outer connecting lever 4, interior connecting lever 5, three grades of output shafts 6, static contact isolation switch 7, isolation/ground connection moving contact 8, second transmission crank arm 9, shackle rod 10, static contact of grounding switch 11.
Refer to shown in Fig. 1 and Fig. 2, operating mechanism is arranged in middle B phase (first-phase drive system), and one-level output shaft 1 one end is connected with motor, and the other end connects in the middle part of the first transmission crank arm 2; Secondary power shaft 3 one end is connected with operating mechanism one-level output shaft 1 by the hexagonal hole of the first transmission crank arm 2, the other end is directly connected by hexagonal hole one end with outer connecting lever 4, the other end of outer connecting lever 4 connects one end of interior connecting lever 5 by pin, the other end of interior connecting lever 5 is fixedly connected with three grades of output shafts 6.Operating mechanism one-level output shaft 1 rotational angle is 60 °, and secondary power shaft 3 rotational angle and outer connecting lever 4 rotational angle are 60 °.As shown in Figures 2 and 3, three grades of output shafts 6 be arranged in parallel with secondary power shaft 3, but disalignment; Spacing between secondary power shaft 3 center line and pin center line is greater than the spacing between three grades of output shaft 6 center lines and pin center line; Make when outer connecting lever 4 rotates 60 ° like this, interior connecting lever 5 half-twist.As shown in Figure 2, three grades of output shaft 6 one end are directly connected with interior connecting lever 5 by hexagonal hole, three grades of output shaft 6 other ends connect isolation/ground connection moving contact 8, three grades of output shafts 6 rotarily drive isolation/ground connection moving contact 8 and have rotated required function, as isolating switch combined floodgate, earthed switch close a floodgate and separating brake.
A phase (second-phase drive system), C phase (third phase drive system) are identical with B phase structure; It is provided with equally secondary power shaft 3, outer connecting lever 4, interior connecting lever 5, three grades of output shafts 6, static contact isolation switch 7, isolation/ground connection moving contact 8, static contact of grounding switchs 11; Its connect and arrangement form identical with B phase.The second transmission crank arm 9 that the secondary power shaft 3 of A phase and C phase is all fixedly connected with the second transmission crank arm 9, A phase and C phase is connected the two ends of the first transmission crank arm 2 by shackle rod 10.When one-level output shaft 1 rotates, rotated by the first transmission crank arm 2, and then pull shackle rod 10 to promote or to pull the second transmission crank arm 9 synchronous rotary of A phase and C phase, and then drive the secondary power shaft 3 of A phase and C phase, outer connecting lever 4, interior connecting lever 5, three grades of output shafts 6 to rotate, to complete required function, as isolating switch combined floodgate, earthed switch close a floodgate and separating brake.
Compared with prior art, beneficial effect of the present invention is: the present invention passes through different two connecting levers (4,5) of length, and the output angle 60 ° of operating mechanism is converted into isolating/grounding switch functional perspective 90 °.Thus an operating mechanism can be used to realize isolating/grounding switch three phase mechanical linkage, this invention structure is simple, is easy to realize, and dependable performance, makes product structure optimize further.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the present invention by submitted to claims determination scope of patent protection.
Claims (5)
1. an isolating/grounding switch transmission device, it is characterized in that, comprise first-phase drive system, described first-phase drive system comprises secondary power shaft (3), outer connecting lever (4), interior connecting lever (5) and three grades of output shafts (6); Secondary power shaft (3) is fixedly connected with in vertical manner with one end of outer connecting lever (4), the other end of outer connecting lever (4) connects one end of interior connecting lever (5) by pin, the other end of interior connecting lever (5) is fixedly connected with three grades of output shafts (6) in vertical manner; Three grades of output shafts (6) be arranged in parallel with secondary power shaft (3), but disalignment; Spacing between secondary power shaft (3) center line and pin center line is greater than the spacing between three grades of output shaft (6) center lines and pin center line; Three grades of output shafts (6) are fixedly connected with the isolation/ground connection moving contact (8) of corresponding isolated/earthed switch; Static contact isolation switch (7) and static contact of grounding switch (11) is furnished with in the circumference that isolation/ground connection moving contact (8) rotates;
Described transmission device also comprises one-level output shaft (1) and the first transmission crank arm (2); One-level output shaft (1) one end is connected with motor, and the other end connects the first transmission crank arm (2) middle part; Secondary power shaft (3) and the one-level output shaft (1) of first-phase drive system are coaxially arranged, and the secondary power shaft (3) of first-phase drive system is connected with one-level output shaft (1) by the hexagonal hole of the first transmission crank arm (2).
2. a kind of isolating/grounding switch transmission device according to claim 1, is characterized in that, static contact isolation switch (7) and static contact of grounding switch (11) are arranged vertically mutually.
3. a kind of isolating/grounding switch transmission device as claimed in claim 1, it is characterized in that, described isolating/grounding switch transmission device also comprises second-phase drive system, third phase drive system, two the second transmission crank arm (9) and two shackle rods (10); Second-phase drive system is identical with first-phase drive system structure with third phase drive system; Two the second transmission crank arm (9) are fixedly connected with the secondary power shaft (3) of third phase drive system with second-phase drive system respectively, and two the second transmission crank arm (9) connect the two ends of the first transmission crank arm (2) by two shackle rods (10).
4. a kind of isolating/grounding switch transmission device as claimed in claim 3, it is characterized in that, first-phase driveline arrangement is between second-phase drive system and third phase drive system.
5. a kind of isolating/grounding switch transmission device as claimed in claim 1, it is characterized in that, secondary power shaft (3) drives outer connecting lever (4) to rotate 60 degree around secondary power shaft (3), and simultaneously, connecting lever (5) drives three grades of output shaft (6) 90-degree rotations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232170.3A CN102751127B (en) | 2012-07-06 | 2012-07-06 | Isolating/grounding switch transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232170.3A CN102751127B (en) | 2012-07-06 | 2012-07-06 | Isolating/grounding switch transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102751127A CN102751127A (en) | 2012-10-24 |
| CN102751127B true CN102751127B (en) | 2014-12-24 |
Family
ID=47031217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210232170.3A Active CN102751127B (en) | 2012-07-06 | 2012-07-06 | Isolating/grounding switch transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102751127B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783289B (en) * | 2016-12-30 | 2018-11-02 | 平高集团有限公司 | A kind of switching device |
| CN111276348B (en) * | 2019-12-31 | 2022-07-05 | 平高集团有限公司 | Motor operating mechanism, isolation grounding switch and isolation grounding switch control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107486A (en) * | 1976-06-30 | 1978-08-15 | S & C Electric Company | Switch operating mechanisms for high voltage switches |
| CN1030844A (en) * | 1987-07-10 | 1989-02-01 | 株式会社日立制作所 | Switch operation device |
| CN201360109Y (en) * | 2009-02-20 | 2009-12-09 | 国电博纳（北京）电力设备有限公司 | 126KV composite type combined electrical appliance |
-
2012
- 2012-07-06 CN CN201210232170.3A patent/CN102751127B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107486A (en) * | 1976-06-30 | 1978-08-15 | S & C Electric Company | Switch operating mechanisms for high voltage switches |
| CN1030844A (en) * | 1987-07-10 | 1989-02-01 | 株式会社日立制作所 | Switch operation device |
| CN201360109Y (en) * | 2009-02-20 | 2009-12-09 | 国电博纳（北京）电力设备有限公司 | 126KV composite type combined electrical appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102751127A (en) | 2012-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205230913U (en) | Three -position isolation grounding switch | |
| CN205863076U (en) | A kind of three station spring interrupters | |
| CN101964271B (en) | High-voltage switch transfer current device | |
| CN102751127B (en) | Isolating/grounding switch transmission device | |
| CN202076662U (en) | Detachable ground wire converter | |
| CN202454478U (en) | Three-position switch | |
| CN204348602U (en) | A kind of novel breaker drive mechanism | |
| CN204596693U (en) | A kind of isolating switch | |
| CN102832074B (en) | Earthing switch for direct current valve hall | |
| CN202721073U (en) | Grounding switch used for direct current valve hall | |
| CN204375634U (en) | Outdoor AC high-voltage three-phase linkage isolating switch | |
| CN202796701U (en) | Connecting rod transmission device of gas insulated switchgear (GIS) disconnecting switch breaking-closing action | |
| CN203038815U (en) | Isolation grounding switch for solid insulation switch cabinet | |
| CN201845692U (en) | Transmission device of 252kVGIS (gas insulated switchgear) isolating or grounding switch | |
| CN202230934U (en) | Electric operating mechanism of three-position isolating switch | |
| CN202549688U (en) | Three-phase transmission mechanism for 550kV isolating switch | |
| CN203103195U (en) | Single-arm vertical stretchable four-bar-linkage transmission main switch blade | |
| CN201886951U (en) | Grounding switch and rear door interlocking device for high-voltage switch cabinet | |
| CN204927160U (en) | Rotating -structure of electronic mechanism of outdoor disconnector for railway | |
| CN204088098U (en) | Drive system in a kind of insulated switching installation | |
| CN202796789U (en) | Drive device of rotary auxiliary switch | |
| CN204480952U (en) | A kind of outdoor AC high-voltage isolating switch | |
| CN204480951U (en) | A kind of outdoor AC high-voltage isolating switch | |
| CN204117939U (en) | Ice-melt switch with ground | |
| CN202454453U (en) | Novel manual opening operating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |