CN101819901B - Driving device for two-step action type ground switch - Google Patents
Driving device for two-step action type ground switch Download PDFInfo
- Publication number
- CN101819901B CN101819901B CN2010101635973A CN201010163597A CN101819901B CN 101819901 B CN101819901 B CN 101819901B CN 2010101635973 A CN2010101635973 A CN 2010101635973A CN 201010163597 A CN201010163597 A CN 201010163597A CN 101819901 B CN101819901 B CN 101819901B
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- clamping plate
- connecting lever
- horizontal axis
- slide block
- contact tube
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Abstract
The invention discloses a driving device for a two-step action type ground switch. A sector plate is embedded in a groove of a sliding block and is for guiding actions; when a cross arm shaft rotates, the sliding block fixed on a clamping plate can slide on a round edge of the sector plate through the linkage of a connecting lever I and a connecting lever II so that a contact tube of the ground switch performs rotary motions by taking the cross arm shaft as a rotating center in a vertical plane first; after the contact tube rotates for 90 degrees, the sliding block slides upward on a straight line edge of the sector plate so that the contact tube of the ground switch performs straight line ascending motions in the vertical plane; a contact head is inserted in a sensing finger; and when the switch is switched on in place, the contact tube of the ground switch stops moving, and the switching off process is in the other way round. The driving device can ensure that two-step actions of the two-step action type ground switch smooth and reliable and have small switching on and off impacts, and has the advantages of simple structure, convenient operation, flexible transmission, safety and durability.
Description
Technical field
The present invention relates to a kind of transmission device of earthed switch.
Background technology
Development along with domestic power technology; The increase of net capacity; The use amount of isolating switch is increasing, be 2～4 times of circuit breaker approximately, so the consumption of earthed switch is also very big; And take up an area of in order to reduce the transmission of electricity corridor, adopt same tower double back transmission line to become the development trend of China's trunk rack.Same tower double back transmission line is when one backhauls another time of row maintenance; Because Electrostatic Coupling and electromagnetic coupled effect between two back transmission lines; In the maintenance loop, will produce induced voltage and induced current, operating personnel's personal safety and the equipment that is overhauling will be worked the mischief.During maintenance in order to ensure maintainer's safety; High-voltage electrical equipments such as high voltage bus, circuit breaker, instrument transformer, isolating switch need carry out reliable ground; Requirement to earthed switch is more rigorous; Problems such as divide-shut brake is unreliable, impacts greatly, and structural design is unreasonable become the hidden danger that influences the earthed switch safe handling.
Two-step action type ground switch can be rotated motion and rectilinear motion two-step action; Have reliable, the little characteristics of impact of closing a floodgate of stable action; Therefore use two-step action type ground switch can satisfy the requirement of high-voltage electrical equipment to earthed switch; And the completion of the two-step action of two-step action type ground switch needs special-purpose transmission mechanism to realize.
Summary of the invention
The objective of the invention is for two-step action type ground switch provides a kind of transmission performance good, anti-corrosion capability is strong, the transmission device of long service life, and for realizing above-mentioned purpose, the technical scheme that the present invention adopted is:
This transmission device comprises slide block, fanning strip, axle bed I, horizontal axis tam, axle sleeve, connecting lever I, clamping plate I, connecting lever II and clamping plate II, and axle sleeve is enclosed within on the horizontal axis tam and with axle bed I and fixes, and axle bed I is fixed on the base mounting panel of earthed switch; Fanning strip is fixed on the axle sleeve; And the covering of the fan of fanning strip is vertical with the cambered surface of axle sleeve, and the clamping plate I that is fixed together is corresponding with clamping plate II position and form mezzanine space, and they are positioned at the contact tube and the fixed connection of the earthed switch that is fixedly clamped between the inner plate surface of same end and have strong market potential; Fixing slide block on the outer plate surface of the clamping plate I other end; The plate face edge of fanning strip is embedded in the groove on the slide block, has corresponding slotted hole in the centre position of clamping plate I and clamping plate II along the long direction of plate, and an end of horizontal axis tam passes slotted hole; The other end of horizontal axis tam is fixedly connected quadric chain; Connecting lever I and connecting lever II are located in the mezzanine space of clamping plate I and clamping plate II and their end is hinged, and the other end of connecting lever I is fixed on the horizontal axis tam, on the other end of connecting lever II is enclosed within and has strong market potential.
This transmission device also comprises cushion block and axle bed II, and wherein cushion block is fixed between the outer plate surface and slide block of clamping plate I, and axle bed II socket horizontal axis tam also is fixed on the base mounting panel of earthed switch.
The fanning strip of this transmission device is embedded in the groove of slide block, and the guiding that is used to move realizes rotatablely moving and vertical motion two-step action mode of switch.When horizontal axis tam rotates,, the slide block that is fixed on the clamping plate is slided in the circular edge of fanning strip through the interlock of connecting lever I and connecting lever II; Thereby making ground connection cutter contact tube is that pivot rotates with the horizontal axis tam in perpendicular earlier; After half-twist, slide block upwards slides in the straight line edge of fanning strip, thereby makes ground connection cutter contact tube in perpendicular, do the straight line ascending motion; Contact inserts among the fingertip; Wait to close a floodgate when putting in place, the stop motion of ground connection cutter contact tube, the separating brake process is in contrast.
Therefore the present invention can make the two-step action of two-step action type ground switch steadily reliable, and divide-shut brake impacts little, has the characteristics of simple in structure, easy to operate, ensuring smooth transmission, safety durable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Structural representation when Fig. 2 rotates when earthed switch closes a floodgate for slide block of the present invention;
Fig. 3 is slide block of the present invention structural representation during moving linearly when earthed switch closes a floodgate;
Structural representation when Fig. 4 rotates when the earthed switch separating brake for slide block of the present invention;
Fig. 5 is slide block of the present invention structural representation during moving linearly when the earthed switch separating brake.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to further describe:
As depicted in figs. 1 and 2, axle sleeve 7 is enclosed within on the horizontal axis tam 6 and with axle bed I4 and fixes, and axle bed I4 and axle bed II5 socket horizontal axis tam 6 also are fixed on the base mounting panel 13 of earthed switch.Fanning strip 3 is fixed on the axle sleeve 7, and the covering of the fan of fanning strip 3 is vertical with the cambered surface of axle sleeve 7, and the covering of the fan angle of fanning strip 3 is 90 °, and promptly circular 1/4th.The clamping plate I9 that is fixed together and formation mezzanine space corresponding with clamping plate II11 position; They are positioned at the contact tube 12 of the earthed switch that is fixedly clamped between the inner plate surface of same end and are fixedly connected has strong market potential 16; Pass through fixedly slide block 2 of cushion block 1 on the outer plate surface of the clamping plate I9 other end; Around slide block 2, have continuous groove on the sidewall, the plate face edge of fanning strip 3 is embedded in the groove on the slide block 2.The long direction of upper edge, centre position plate of clamping plate I9 and clamping plate II11 has big or small corresponding slotted hole 17, and an end of horizontal axis tam 6 passes slotted hole 17, and its other end is fixedly connected quadric chain 14.Connecting lever I8 and connecting lever II10 are located in the mezzanine space of clamping plate I9 and clamping plate II11, and their end is hinged through pin 15, and the other end of connecting lever I8 is fixed on the horizontal axis tam 6, and the other end of connecting lever II 10 is enclosed within has strong market potential on 16.
As shown in Figures 2 and 3; When two-step action type ground switch closes a floodgate; At first the motor operating mechanism drives horizontal axis tam 6 rotations through the rotation of vertical drive link 18 and base four connecting rods 14 successively, and horizontal axis tam 6 rotations drive connecting lever I8 and rotate, thus connecting lever I8 transmission crank arm II10; Drive clamping plate I9 and clamping plate II11 rotation through connecting lever II10; And then drive slide block 2 and rotate around horizontal axis tam 6 along the circular edge of fanning strip 3, therefore make clamping plate I9 and clamping plate II11 can not along horizontal axis tam 6 do straight line and move because fanning strip 3 circular edges are withstood the groove of slide block 2 this moment; This moment, horizontal axis tam 6 was positioned at the tip position of slotted hole 17, and ground connection cutter contact tube 12 also rotates in perpendicular in the time of slide block 2 rotations.When slide block 2 when an end of the circular edges of fanning strip 3 forwards the other end to; Both behind the half-twist; Through the transmission of connecting lever I8 and connecting lever II10, because fanning strip 3 no longer withstands the groove of slide block 2 this moment, so clamping plate I9 and clamping plate II11 begin to do rectilinear motion straight up along the straight line edge of fanning strip 3; This moment, horizontal axis tam 6 moved down from the tip position that is positioned at slotted hole 17; Slide block 2 makes ground connection cutter contact tube 12 carry out rectilinear motion straight up when moving upward, thereby moving contact is inserted in the fixed contact, accomplishes feed motion.
Like Fig. 4 and shown in Figure 5, when the two-step action type ground switch separating brake, opposite when operating process and combined floodgate; At first the motor operating mechanism drives horizontal axis tam 6 reverse rotations through the rotation of vertical drive link 18 and base four connecting rods 14 successively;, horizontal axis tam 6 rotations drive connecting lever I8 and rotate, thus connecting lever I8 transmission crank arm II10; Driving slide block 2 through connecting lever II10 moves downward along the straight line along fanning strip 3; And then ground connection cutter contact tube 12 does rectilinear motion straight down earlier under the drive of slide block 2, and this moment, horizontal axis tam 6 moved to the tip position of slotted hole 17, and then made moving contact withdraw from fixed contact.Move to the straight line root edge of fanning strip 3 when slide block 2; This is engraved under the transmission of connecting lever I8 and connecting lever II10, and slide block 2 can be transformed into fanning strip 3 circular edges and move in a circle, and this moment, horizontal axis tam 6 moved to the tip position of slotted hole 17; Therefore ground connection cutter contact tube 12 is no longer moved down; But in perpendicular, move in a circle, get back to horizontal separating brake position behind the half-twist, form apparent vertical fracture with the ground connection fixed contact of top.
Claims (2)
1. transmission device that is used for two-step action type ground switch; Comprise slide block (2), fanning strip (3), axle bed I (4), horizontal axis tam (6), axle sleeve (7), connecting lever I (8), clamping plate I (9), connecting lever II (10) and clamping plate II (11); It is characterized in that: axle sleeve (7) is enclosed within horizontal axis tam (6) and upward and with axle bed I (4) fixes; Axle bed I (4) is fixed on the base mounting panel (13) of earthed switch, and fanning strip (3) is fixed on the axle sleeve (7), and the covering of the fan of fanning strip (3) is vertical with the cambered surface of axle sleeve (7); The clamping plate I (9) that is fixed together and formation mezzanine space corresponding with clamping plate II (11) position; They are positioned at the contact tube (12) of the earthed switch that is fixedly clamped between the inner plate surface of same end and are fixedly connected has strong market potential (16), fixing slide block (2) on the outer plate surface of clamping plate I (9) other end, and the plate face edge of fanning strip (3) is embedded in the groove on the slide block (2); Centre position at clamping plate I (9) and clamping plate II (11) has corresponding slotted hole (17) along the long direction of plate; One end of horizontal axis tam (6) passes slotted hole (17), and the other end of horizontal axis tam (6) is fixedly connected quadric chain (14), and connecting lever I (8) and connecting lever II (10) are located at interior and their end of the mezzanine space of clamping plate I (9) and clamping plate II (11) and are hinged; The other end of connecting lever I (8) is fixed on the horizontal axis tam (6), and the other end of connecting lever II (10) is enclosed within on have strong market potential (16); When earthed switch carries out closing operation, when horizontal axis tam (6) rotates, through the interlock of connecting lever I (8) and connecting lever II (10); Slide block (2) is slided in the circular edge of fanning strip (3), is that pivot rotates with horizontal axis tam (6) in perpendicular earlier thereby make contact tube (12), after half-twist; Slide block (2) upwards slides in the straight line edge of fanning strip (3); Thereby make contact tube (12) in perpendicular, do the straight line ascending motion, contact inserts among the fingertip, waits to close a floodgate when putting in place; Contact tube (12) stop motion, the separating brake process in contrast.
2. a kind of transmission device that is used for two-step action type ground switch according to claim 1; It is characterized in that: this transmission device also comprises cushion block (1) and axle bed II (5); Wherein cushion block (1) is fixed between the outer plate surface and slide block (2) of clamping plate I (9), and axle bed II (5) socket horizontal axis tam (6) also is fixed on the base mounting panel (13) of earthed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101635973A CN101819901B (en) | 2010-04-28 | 2010-04-28 | Driving device for two-step action type ground switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101635973A CN101819901B (en) | 2010-04-28 | 2010-04-28 | Driving device for two-step action type ground switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101819901A CN101819901A (en) | 2010-09-01 |
| CN101819901B true CN101819901B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101635973A Expired - Fee Related CN101819901B (en) | 2010-04-28 | 2010-04-28 | Driving device for two-step action type ground switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101819901B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124096B (en) * | 2013-04-24 | 2017-02-08 | 湖北湖开电气有限公司 | Transmission structure-based grounding switch |
| CN103560024A (en) * | 2013-11-11 | 2014-02-05 | 大连高压开关电器有限公司 | High-voltage grounding switch two-step action transmission mechanism |
| CN106655503B (en) * | 2016-11-24 | 2023-08-15 | 国网浙江省电力公司温州供电公司 | Bluetooth function switch on post that opens and shuts |
| JP6599400B2 (en) * | 2017-06-02 | 2019-10-30 | 矢崎総業株式会社 | Power circuit breaker |
| CN108648948B (en) * | 2018-07-23 | 2023-05-16 | 西安航空学院 | Heavy current grounding device |
| CN110158357B (en) * | 2019-04-26 | 2021-10-01 | 华邦古楼新材料有限公司 | Double-sided coating device for producing high-performance thermal sublimation base paper and paper preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217916A (en) * | 1988-04-19 | 1989-11-01 | Mitsubishi Electric Corp | Electric switch assembly |
| CN201075352Y (en) * | 2007-07-05 | 2008-06-18 | 大全集团有限公司 | Operation mechanism for isolation switch |
| CN201222449Y (en) * | 2008-07-11 | 2009-04-15 | 江苏镇安电力设备有限公司 | Grounding switch operation mechanism |
| CN201402771Y (en) * | 2009-04-08 | 2010-02-10 | 山东泰开隔离开关有限公司 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
| CN201655640U (en) * | 2010-04-28 | 2010-11-24 | 山东泰开隔离开关有限公司 | Transmission device for two-action type grounding switch |
-
2010
- 2010-04-28 CN CN2010101635973A patent/CN101819901B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217916A (en) * | 1988-04-19 | 1989-11-01 | Mitsubishi Electric Corp | Electric switch assembly |
| CN201075352Y (en) * | 2007-07-05 | 2008-06-18 | 大全集团有限公司 | Operation mechanism for isolation switch |
| CN201222449Y (en) * | 2008-07-11 | 2009-04-15 | 江苏镇安电力设备有限公司 | Grounding switch operation mechanism |
| CN201402771Y (en) * | 2009-04-08 | 2010-02-10 | 山东泰开隔离开关有限公司 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
| CN201655640U (en) * | 2010-04-28 | 2010-11-24 | 山东泰开隔离开关有限公司 | Transmission device for two-action type grounding switch |
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| Publication number | Publication date |
|---|---|
| CN101819901A (en) | 2010-09-01 |
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