CN2212258Y

CN2212258Y - High voltage isolating switch

Info

Publication number: CN2212258Y
Application number: CN 94230296
Authority: CN
Inventors: 王若柏
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-26
Filing date: 1994-09-26
Publication date: 1995-11-08
Anticipated expiration: 2004-09-26

Abstract

The utility model relates to a high voltage isolating switch, which belongs to outdoor high-tension electrical equipment. The utility model is composed of an isolating switch and an operating mechanism. Lubrication equipment is added on a rolling position to overcome the defects of the easy rustiness and the ineffective operation of an outdoor electric appliance. Mechanical and electronic mistake proof equipment is added on the rolling position to effectively avoid the casualty accident of the human body, improve the connection of a touch finger and the seat of the touch finger, and overcome the phenomenon of the burning loss of the touch finger.

Description

High voltage isolating switch

The utility model relates to a kind of high voltage isolator, belongs to high-voltage electrical equipment, carries out changing-over for high-tension line under the no-load situation, and the usefulness of electric equipment such as the high voltage bus that overhauled, circuit breaker and charged high-tension line being carried out electrical isolation.

High voltage isolator is made up of isolating switch and operating mechanism two parts, isolating switch comprises base, post insulator, junction block, contact and transmission case, operating mechanism comprises casing, power transmission shaft, auxiliary switch, connecting terminal block and procedure lock, because high voltage isolator is outdoor electric equipment, stand to expose to the sun and rain throughout the year, corrosion very easily takes place in its rotary part, causes operation ineffective, even operates motionless; The contact part is also normal to cause loose contact owing to action is not in place, causes the fingertip scaling loss; Because energy is not concentrated or the carelessness abuse then can cause serious human casualty accident, should take anti-error measure various machineries or electronics to prevent that misoperation from taking place during work.

The purpose of this utility model is at the problems referred to above, and a kind of flexible operation, safe and reliable high voltage isolator are provided.

High voltage isolator of the present utility model is made up of isolating switch and operating mechanism, described isolating switch comprises base, post insulator, junction block, contact and transmission case, and described operating mechanism comprises casing, case lid, power transmission shaft, auxiliary switch, connecting terminal block and procedure lock.It is characterized in that having increased insulating sleeve between the conducting rod of described its junction block of isolating switch and the fixed cover, to prevent that oxidation and corrosion take place between copper conducting rod and ferropexy cover or copper conductor bar and the aluminium fixed cover; Increase sealing ring between the bearing pedestal lower surface of its transmission case and the bearing inner sleeve end face, run off to prevent the lubricating oil in the bearing, be processed with oil leab in the bearing pedestal and pump nozzle is housed, realizing not decomposing transmission case also can repairing in bearing; The fingertip of its contact is communicated with soft conductive strips with the fingertip seat, guarantee under any circumstance all to have reliable galvanic circle, be processed with the positive stop lug boss that can limit the fingertip position on the fingertip seat, when plush copper and fingertip bumped, positive stop lug boss can stop that fingertip runs off anchor point.Be processed with oil duct and pump nozzle is housed on its power transmission shaft of described operating mechanism; Its procedure lock is installed in the casing, and dead bolt can inject respectively in two lockholes of power transmission shaft, and the angle of two lockholes and branch, combined floodgate angle are identical; Be provided with the ground line socket in its casing and prevent the switching on earth wire device by what lever and jam plate were formed, the lever middle part is hinged on transmission shafts and puts, its two ends then respectively with power transmission shaft, jam plate is hinged, when power transmission shaft rotates, lever can drive in the slideway of jam plate under the ground line socket and slide, jack on the jam plate is overlapped with ground wire jack or stagger, when isolating switch during in the separating brake position, jack on the jam plate overlaps with ground wire jack, and this moment, ground wire plug can insert, and available trip bolt is fixed, after ground wire plug inserts, jam plate can not move, and power transmission shaft can not turn to closing position, so can prevent switching on earth wire; Also be provided with the electronics error-proof device of forming by voice integrated package, rectifier power source, loud speaker and sensitive switch in its casing, sensitive switch be respectively case lid switch, procedure lock switch, wiretap, remind operator's " switch close the position mustn't the broaching tool lock ", " ground wire do not remove mustn't broaching tool lock " etc.

The utility model has the advantages that the corrosion problem that has solved outdoor electric equipment, guaranteed flexible operation, reduced maintenance capacity; Increase machinery and electronics error-proof device, make electric equipment safety, reliable, prevented the human casualty accident generation.

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is the end view of Fig. 1.

Fig. 3 is the junction block structural representation of isolating switch.

Fig. 4 is the transmission case bearing pedestal and the bearing arrangement schematic diagram of isolating switch.

Fig. 5 is the structure of contact terminal schematic diagram of isolating switch.

Fig. 6 is the operating mechanism structural representation.

Fig. 7 is the A-A profile of Fig. 6.

Fig. 8 is the B-B profile of Fig. 6.

Embodiment: referring to Fig. 1-8, the utility model is made up of isolating switch and operating mechanism 5.Isolating switch comprises base 3, post insulator 2, junction block 1, contact 6 and transmission case 4, between the conducting rod 7 of junction block 1 and the fixed cover 9 teflon insulation axle sleeve 8(such as Fig. 3 are arranged), between the cover end face " O " shape sealing ring 11 is arranged in bearing pedestal 12 lower surfaces of transmission case 4 and the bearing 10, bearing pedestal 12 also is processed with oil leab, and pump nozzle 13(such as Fig. 4 be housed), the fingertip 14 of contact 6 is communicated with soft conductive strips 15 with fingertip seat 16, be processed with positive stop lug boss 38 on the fingertip seat 16, can prevent that two fingertips 14 from running off anchor point (as Fig. 5).Operating mechanism 5 comprises casing 24, case lid 35, power transmission shaft 17, auxiliary switch 22, connecting terminal block 23 and procedure lock 27, be processed with oil leab on the power transmission shaft 17, and pump nozzle 18 is housed, procedure lock 27 is installed in the casing 24, it is 180 ° two radially in the lockhole that dead bolt 28 can inject processing angle on power transmission shaft 17, ground line socket 20 is installed in the casing 24, jam plate 19 is driven and can be slided in the chute of ground wire socket bottom by lever 33, make the jack of processing on the jam plate 19, overlap with ground wire jack or stagger, lever 33 two ends respectively with jam plate 19, rotating disk 30 on the power transmission shaft 17 is hinged, its middle part is hinged with the pin that is fixed on the propeller shaft tube 36, when power transmission shaft 17 rotates, lever 33 swings, can drive jam plate 19 moves, the electronics error-proof device comprises voice integrated package 25, rectifier power source 26, loud speaker 34 and case lid switch 31, ground wiretap 32, procedure lock switch 37, when case lid 35 is closed, case lid switch 31 disconnects, when case lid 35 is opened, case lid switch 31 closures, switch 37 closures when procedure lock 27 is unblanked, when ground wire is connected, switch 32 closures, work as circuit breaker, isolating switch is when closing, if open procedure lock 27, switch 37 is closed immediately, the voice integrated package sends the voice reminder operator of " switch is closing the position; mustn't the broaching tool lock ", when ground wire is not removed, if open procedure lock 27 operations, the voice integrated package then can send the language of " ground wire is not removed, and mustn't close a floodgate ".21 is the ground wire trip bolt, and 29 are case lid lock (as Fig. 6,7,8).

Claims

1, a kind of high voltage isolator, form by isolating switch and operating mechanism 5 two parts, described isolating switch comprises base 3, post insulator 2, junction block 1, contact 6 and transmission case 4, described operating mechanism 5 comprises casing 24, case lid 35, power transmission shaft 17, auxiliary switch 22, connecting terminal block 23 and procedure lock 27, it is characterized in that described isolating switch, increased insulating sleeve 8 between the conducting rod 7 of its junction block 1 and the fixed cover 9, increased sealing ring 11 between the cover end face in bearing pedestal 12 lower surfaces of its transmission case 4 and the bearing 10, be processed with oil leab in the bearing pedestal 12 and pump nozzle 13 is housed, the fingertip 14 of its contact 6 is communicated with soft conductive strips 15 with fingertip seat 16, is processed with the positive stop lug boss 38 that can limit the fingertip position on the fingertip seat 16; Be processed with oil duct and pump nozzle 18 is housed on described operating mechanism 5 its power transmission shafts 17, its procedure lock 27 is installed in the casing 24, dead bolt 28 can inject respectively in two lockholes of power transmission shaft 17, the angle of two lockholes and branch, the combined floodgate angle is identical, be provided with ground line socket 20 in its casing 24 and prevent the switching on earth wire device by what lever 33 and jam plate 19 constituted, lever 33 middle parts are hinged on the propeller shaft tube 36, its two ends respectively with power transmission shaft 17, jam plate 19 is hinged, lever 33 can drive jam plate 19 and slide in the chute of ground line socket 20 bottoms, jack on the jam plate 19 is overlapped with jack on the ground line socket 20 or stagger, also be provided with by voice integrated package 25 in its casing 24, rectifier power source 26, the electronics error-proof device that loud speaker 34 and sensitive switch are formed, described 1 sensitive switch is respectively case lid switch 31, ground wiretap 32 and procedure lock switch 37.