CN102360980B - Three-working-position isolation switch - Google Patents
Three-working-position isolation switch Download PDFInfo
- Publication number
- CN102360980B CN102360980B CN201110296686XA CN201110296686A CN102360980B CN 102360980 B CN102360980 B CN 102360980B CN 201110296686X A CN201110296686X A CN 201110296686XA CN 201110296686 A CN201110296686 A CN 201110296686A CN 102360980 B CN102360980 B CN 102360980B
- Authority
- CN
- China
- Prior art keywords
- cutting blade
- fixed contact
- aeration tank
- bolt
- power transmission
- 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
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a three-working-position isolation switch used in a flame-proof electric appliance product controlled by an automatic complete equipment control system in a coal mine industry. The switch is a frameless vertical installation structure which is parallel to a bus. A main conductor is a copper knife shape structure. According to the invention, a manually operation mechanism is employed to carry out operation transmission, the operation mechanism is provided with locking devices at connection, isolation and grounding positions, positioning is carried out at each corresponding working position, and connection, isolation and grounding functions of the isolation switch are realized.
Description
Technical field
The present invention relates to the explosion-proof electrical appliance product that controlled by automation complete set of equipments control system for the colliery industry, the tri-station isolating switch that particularly this explosion-proof electrical appliance product is used.
Background technology
Isolating switch is for flame-proof mine malleation high-voltage feedback power device, as the use of the connection of high pressure inlet wire bus, isolation, feeder equipment ground connection.It need to have following three position of function: isolating switch is connected (combined floodgate), makes feeder equipment be connected and be subject to electricity with bus; Isolating switch isolation (separating brake), make feeder equipment disconnect and separating with bus; Isolating switch ground connection (earth terminal combined floodgate), do not having in loaded situation feeder equipment, and earth terminal combined floodgate reliable ground guarantees that feed fills load side safety and maintenance personal's safety.
Existing isolating switch is two station disconnecting switchs, by isolating switch, realizes combined floodgate, separating brake (isolation), by earthed switch, is grounded (earth terminal combined floodgate), and isolating switch and earthed switch are operated respectively.Isolating switch is tower structure, and mounting means is that level is installed, and current-carrying part is the knife-edge structure, with bus, connects.Isolating switch is comprised of fixed frame, leading electronic blade, power transmission shaft, insulated tension pole porcelain vase, fixed contact, porcelain insulator, transmission crank arm.The porcelain insulator of isolating switch porcelain vase when the impact that is subject to external force is easily broken, the dielectric strength of porcelain insulator is reduced greatly, have a strong impact on the electric property of isolating switch, isolating switch can only be used the use as the isolation of power supply at the air insualtion high voltage electric equipment in addition.
Summary of the invention
For the above-mentioned shortcoming of existing isolating switch, the applicant, through Improvement, provides a kind of tri-station isolating switch.
Technical scheme of the present invention is as follows:
A kind of tri-station isolating switch, comprise the power transmission shaft be vertically mounted in aeration tank, bearing pedestal is arranged on described power transmission shaft lower end fixing with the aeration tank bottom, the power transmission shaft upper end joins and fixes with straight pin by axle sleeve and connecting axle, the rotating shaft dynamic seal is arranged on described connecting axle upper end and fixes with aeration tank top, connecting axle is connected with transmission crank arm from stretch out on aeration tank top, after described transmission crank arm is connected with shackle rod, with operating mechanism, is connected; Also comprise the static contact and insulation part be arranged on the aeration tank inwall, on described static contact and insulation part, the cutting blade bearing is installed, the first cutting blade, the second cutting blade and driver plate are installed on respectively both sides and the centre of described cutting blade bearing by the 3rd screw bolt and nut; Described the first cutting blade and the second cutting blade are connected with driver plate by the second screw bolt and nut, and described the first cutting blade and the second cutting blade interconnect by the first screw bolt and nut; Described the first bolt coat has the first lining, and described the second bolt coat has the second lining; Described the first cutting blade and the second cutting blade outside are equipped with spring pressuring plate and butterfly spring; Also comprise insulated tension pole, the two ends of described insulated tension pole are equipped with the first pull bar link and the second pull bar links, and described the first pull bar link is arranged on the connecting lever be connected with power transmission shaft, and described the second pull bar links and is connected with driver plate; Also comprise fixed contact, described fixed contact is fixed on main busbar; Also comprise the earth terminal fixed contact, described earth terminal fixed contact is fixed on grounding static contact and props up on part.
Useful technique effect of the present invention is:
One, the present invention and aeration tank organically combine, and the electric product as being subject to electricity combined floodgate, separating brake (isolation), ground connection (earth terminal combined floodgate), play the function with three service positions.
Two, with existing isolating switch, compare, realize on same power transmission shaft combined floodgate of the present invention, separating brake (isolation), three service positions of ground connection (earth terminal combined floodgate), easy to operate.
Three, the present invention adopts dynamic sealing technology to power transmission shaft, makes power transmission shaft when rotating, keep gas in aeration tank not leak.
Four, the conduction contact part of fixed contact and earth terminal fixed contact is designed to fillet, to eliminate the inhomogeneous situation of most advanced and sophisticated electric field.
Five, insulated tension pole adopts organic material, can guarantee electric insulation intensity, cracky not under the impact that is subject to external force.
The accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is "on" position figure of the present invention.
Fig. 4 is gate-dividing state figure of the present invention.
Fig. 5 is ground state figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the present invention is arranged in aeration tank 32, comprises the power transmission shaft 4 be vertically mounted in aeration tank 32.Power transmission shaft 4 lower ends are equipped with bearing pedestal 23, and bearing pedestal 23 use nuts are fixed on aeration tank 32 bottoms.Power transmission shaft 4 upper ends join with axle sleeve 6 and connecting axle 3, and with straight pin 7 fixed conveyor axles 4 and connecting axles 3.Rotating shaft dynamic seal 2 is assemblied in connecting axle 3 upper ends, and rotating shaft dynamic seal 2 use nuts are fixed on aeration tank 32 tops.Bearing pedestal 23 and rotating shaft dynamic seal 2 make power transmission shaft 4 when rotating, keep gas in aeration tank not leak.Connecting axle 3 is connected and fixes with straight pin with transmission crank arm 1 from stretch out on aeration tank 32 tops, and attended operation mechanism after transmission crank arm 1 is connected with shackle rod 30, realize the operation of operating mechanism.
As shown in Figure 1, in static contact and insulation part 29(the present embodiment, have three groups) be arranged on the inwall of aeration tank 32, cutting blade bearing 24 is arranged on static contact and insulation part 29 and fixes with bolt.The first cutting blade 10, the second cutting blade 18 and driver plate 13 use the 3rd bolt 21 and nut are installed on respectively both sides and the centre of cutting blade bearing 24.The first cutting blade 10 and the second cutting blade 18 are connected with driver plate 13 with nut by the second bolt 12, and the first cutting blade 10 and the second cutting blade 18 interconnect by the first bolt 16 and nut 17.The first bolt 16 overcoats have the first lining 5, the second bolt 12 overcoats that the second lining 11 is arranged.Spring pressuring plate 9 and butterfly spring 22 are installed on the first cutting blade 10 and second cutting blade 18 outsides, guarantee the first cutting blade 10 and the second cutting blade 18 contact in working order.Wherein the first cutting blade 10 and the second cutting blade 18 are copper.
As shown in Figure 2, fixed contact 8 use bolts 14 are fixed on main busbar 15, and earth terminal fixed contact 27 use bolts 14 ' are fixed on grounding static contact and prop up on part 28.The conduction contact part of fixed contact 8 and earth terminal fixed contact 27 is designed to fillet, to eliminate the inhomogeneous situation of most advanced and sophisticated electric field.
As shown in Figure 2, insulated tension pole 26 is organic material, can guarantee electric insulation intensity, cracky not under the impact that is subject to external force.The two ends of insulated tension pole 26 are equipped with first pull bar link 20 and second pull bar link 20 ', the first pull bar link the 20 and second pull bar link 20 ' and are fixed on insulated tension pole 26 with nut 25.The other end of the first pull bar link 20 is assemblied in straight pin 19 on the connecting lever 31 be connected with power transmission shaft 4 (sees the isolating switch of first group of perspective in Fig. 1), the other end of the second pull bar link 20 is assemblied on driver plate 13 with straight pin 19 ', be combined into complete isolating switch, reach three station duties and leave the function of closing combined floodgate, isolation, ground connection.
The present invention is frameless phase with vertical installation, with bus at parallel position, main electric conductor is copper knife-edge structure, the present invention adopts manual-operating mechanism to be operated transmission, operating mechanism is provided with locking device in connection (Fig. 3), isolation (Fig. 4), three service positions of ground connection (Fig. 5), the present invention service position corresponding at each positioned, reach the function of isolating switch connection, isolation, ground connection.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive without departing from the basic idea of the present invention or associate, within all should thinking and being included in protection scope of the present invention.
Claims (3)
1. a tri-station isolating switch, it is characterized in that: comprise the power transmission shaft (4) be vertically mounted in aeration tank (32), bearing pedestal (23) is arranged on described power transmission shaft (4) lower end fixing with aeration tank (32) bottom, power transmission shaft (4) upper end joins by axle sleeve (6) and connecting axle (3) and uses straight pin (7) fixing, rotating shaft dynamic seal (2) is arranged on described connecting axle (3) upper end and fixes with aeration tank (32) top, connecting axle (3) is connected with transmission crank arm (1) from stretch out on aeration tank (32) top, after being connected with shackle rod (30), described transmission crank arm (1) is connected with operating mechanism,
Also comprise the static contact and insulation part (29) be arranged on aeration tank (32) inwall, cutting blade bearing (24) is installed on described static contact and insulation part (29), and the first cutting blade (10), the second cutting blade (18) and driver plate (13) are installed on respectively both sides and the centre of described cutting blade bearing (24) by the 3rd bolt (21) and nut; Described the first cutting blade (10) and the second cutting blade (18) are connected with driver plate (13) with nut by the second bolt (12), and described the first cutting blade (10) and the second cutting blade (18) interconnect by the first bolt (16) and nut (17); Described the first bolt (16) overcoat has the first lining (5), and described the second bolt (12) overcoat has the second lining (11); Described the first cutting blade (10) and the second cutting blade (18) outside all are equipped with spring pressuring plate (9) and butterfly spring (22); The length of described driver plate (13) is less than the length of the first cutting blade (10), the second cutting blade (18);
Also comprise insulated tension pole (26), the two ends of described insulated tension pole (26) are equipped with the first pull bar and link (20) and the second pull bar link (20 '), it is upper that described the first pull bar link (20) is arranged on the connecting lever (31) be connected with power transmission shaft (4), and described the second pull bar links (20) and is connected with driver plate (13);
Also comprise fixed contact (8), described fixed contact (8) is fixed on main busbar (15); Also comprise earth terminal fixed contact (27), described earth terminal fixed contact (27) is fixed on grounding static contact and props up on part (28); When fixed contact (8) or earth terminal fixed contact (27) and the first cutting blade (10), with the second cutting blade (18) while contacting, fixed contact (8) or earth terminal fixed contact (27) are positioned between the first cutting blade (10) and the second cutting blade (18).
2. tri-station isolating switch according to claim 1, it is characterized in that: described the first cutting blade (10) and the second cutting blade (18) are for copper.
3. tri-station isolating switch according to claim 1, it is characterized in that: described insulated tension pole (26) is organic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296686XA CN102360980B (en) | 2011-09-30 | 2011-09-30 | Three-working-position isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296686XA CN102360980B (en) | 2011-09-30 | 2011-09-30 | Three-working-position isolation switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360980A CN102360980A (en) | 2012-02-22 |
| CN102360980B true CN102360980B (en) | 2013-12-04 |
Family
ID=45586265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110296686XA Active CN102360980B (en) | 2011-09-30 | 2011-09-30 | Three-working-position isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360980B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810825B (en) * | 2012-07-31 | 2014-07-23 | 金杰实业集团有限公司 | Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270388Y (en) * | 2008-08-01 | 2009-07-08 | 丹阳信德电气设备有限公司 | 10kV SF6 full insulation full sealing compact loop network switch device |
| CN201527924U (en) * | 2009-09-15 | 2010-07-14 | 杨巍 | Power outdoor single-pole isolating switch |
| CN201656328U (en) * | 2010-04-26 | 2010-11-24 | 常州市申宏电力设备有限公司 | Dynamic sealing structure of air charging cabinet |
| CN202258972U (en) * | 2011-09-30 | 2012-05-30 | 无锡中科电气设备有限公司 | Three-post disconnecting switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4934506B2 (en) * | 2007-05-30 | 2012-05-16 | 株式会社日本Ａｅパワーシステムズ | Phase adjusting equipment with switch for power system |
-
2011
- 2011-09-30 CN CN201110296686XA patent/CN102360980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270388Y (en) * | 2008-08-01 | 2009-07-08 | 丹阳信德电气设备有限公司 | 10kV SF6 full insulation full sealing compact loop network switch device |
| CN201527924U (en) * | 2009-09-15 | 2010-07-14 | 杨巍 | Power outdoor single-pole isolating switch |
| CN201656328U (en) * | 2010-04-26 | 2010-11-24 | 常州市申宏电力设备有限公司 | Dynamic sealing structure of air charging cabinet |
| CN202258972U (en) * | 2011-09-30 | 2012-05-30 | 无锡中科电气设备有限公司 | Three-post disconnecting switch |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-301586A 2008.12.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360980A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205230913U (en) | Three -position isolation grounding switch | |
| CN102360980B (en) | Three-working-position isolation switch | |
| CN202258972U (en) | Three-post disconnecting switch | |
| CN201174536Y (en) | Dual air chamber air insulated metal sealed switch apparatus | |
| CN201673841U (en) | Outdoor quadrupolar linkage disconnector | |
| CN201018197Y (en) | High-voltage switch cabinet | |
| CN202205634U (en) | Novel disconnecting switch contact structure | |
| CN202307657U (en) | 126 kV outdoor AC high-voltage isolation switch | |
| CN205230922U (en) | Pressure -operated load switch | |
| CN204361550U (en) | A kind of solid all-insulated switch | |
| CN208970415U (en) | A kind of breaker of external isolation | |
| CN105846339B (en) | A kind of motor train unit load switch equipment | |
| CN204596695U (en) | Combined high pressure isolating switch | |
| CN110768109A (en) | Detachable isolated fracture bus | |
| CN204349312U (en) | A kind of solid insulation vacuum switch cabinet with cable incoming-outgoing wire system | |
| CN202550300U (en) | Mounting and fixing structure of lightning arrestor of KYN high-current interconnection switch cabinet | |
| CN204349313U (en) | A kind of solid insulation vacuum switch cabinet with isolating switch | |
| CN201975319U (en) | Outdoor high voltage AC (alternating current) isolating switch | |
| CN202502955U (en) | Circuit breaker device | |
| CN202996681U (en) | High-voltage isolation switch for electric locomotive | |
| CN203242948U (en) | High-pressure wattless automatic compensation apparatus | |
| CN103198968A (en) | High-voltage switch and switch cabinet comprising same | |
| CN203134678U (en) | High-tension switch and switch cabinet including same | |
| CN207183911U (en) | Net side cabinet and rail traffic vehicles between a kind of machinery | |
| CN203119374U (en) | Miniaturized split solid insulation ring main unit |
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 |