CN203179780U - Position-restricted and separating mechanism of single motor three station mechanism - Google Patents

Position-restricted and separating mechanism of single motor three station mechanism Download PDF

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Publication number
CN203179780U
CN203179780U CN 201320104507 CN201320104507U CN203179780U CN 203179780 U CN203179780 U CN 203179780U CN 201320104507 CN201320104507 CN 201320104507 CN 201320104507 U CN201320104507 U CN 201320104507U CN 203179780 U CN203179780 U CN 203179780U
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lever
levers
separating
motor
spacer pin
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Chinese (zh)
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廖柱成
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Yuyao Huayu Electric Co., Ltd.
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廖明厚
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Abstract

The utility model discloses a position-restricted and separating mechanism of a single motor three station mechanism installed on a frame of a three station mechanism and used for cooperating with a spacer pin installed on a driving mechanism worm wheel of the three station mechanism. The characteristics are that the position-restricted and separating mechanism comprises two inclined rocker arms symmetrically arranged and two inclined connecting levers also symmetrically arranged; lower ends of the rocker arms are in rotation connection with an intermediate part of the connecting levers on corresponding sides; upper ends of the connecting levers are rotatingly connected to the inner of the frame; a position-restricted shaft is arranged between lower ends of the two connecting levers; releasing plates and half shafts in angle connection are arranged between each connecting levers and the position-restricted shaft and are capable of rotating around connecting parts; the connecting part between the rocker arms and the connecting levers, the connecting part between the releasing plates and the half shafts and the connecting part between the upper ends of the connecting levers and the frame are respectively provided with a torsional spring used for keeping the components and possessing a trend of rotating upwards; the sides of the connecting levers are provided with electromagnets used for promoting the releasing plates to rotate downwards.

Description

Spacing and the separating mechanism of single motor three position mechanism
Technical field
The utility model relates to a kind of switch operating mechanism, especially a kind of spacing and separating mechanism that is applicable to single motor three position mechanism of operation isolating/grounding switch sub-assembly.
Background technology
The high voltage power distribution switching device generally is divided into following three kinds: first kind is air-insulated conventional distribution switchgear, is called for short AIS, and its bus is exposed directly to be contacted with air, and circuit breaker can be with porcelain knob or pot type; Second kind is hybrid distribution switchgear, is called for short H-GIS, and bus adopts open type; The third is sulfur hexafluoride gas-insulating and fully-enclosed distribution switchgear, is called for short GIS.
Wherein above-mentioned employing SF6 gas is little, in light weight as the novel GIS floor space of dielectric, easily realizes standardization.And along with technical development, people merge into an isolating/grounding switch three station composition elements with the isolating switch among the GIS and two independent components of earthed switch again.Because both combine, and are contained in the air chamber, have dwindled the GIS size greatly, make it more miniaturization.After both combinations, operating mechanism is by two station mechanisms of former independent operation isolating switch or earthed switch, become one can disconnecting switch operation also can the operational grounding switch three position mechanism.So-called three stations refer to three service positions: 1, the closing position connected of isolated switch main fracture, 2, the isolated location that separates of main fracture, 3, the earthing position of ground connection side.Three-station is exactly the function of having integrated isolating switch and earthed switch in fact, and is finished by a cutter, so just can realize mechanical latching, prevents the charged ground cutter that closes of major loop, has avoided the possibility of misoperation.
Have now at the three position mechanism that uses and roughly be divided into two kinds, a kind of is by the synthetic output of crank pit wheel construction with two motors, two cover drive units, be commonly called as the bi-motor three position mechanism, this three position mechanism is owing to there are two cover drive units, and complex structure, volume are too huge, cost is higher, difficult in maintenance.Another kind is directly single motor three position mechanism of output of a motor one cover drive unit, and the three position mechanism of single motor is simple in structure, is more suitable for the requirement of common case GIS than bi-motor three position mechanism from the aspects such as maintenance of profile, production cost, product.
In Machine Design, the machinery of same position location is a pair of paradox with separating.In the separating brake position of single motor three position mechanism, four kinds of motion modes are arranged in the motion process: the location that isolates separating brake; Go to isolate the separation of combined floodgate separating brake position; The location of ground connection separating brake; Go the separation of contact of earth separating brake position.Four kinds of motion mode contradictions save as one, increased difficulty for the single motor three position mechanism of design.Existing most of single motor three position mechanisms directly save this link of separating brake machinery location, simple electrical appliance control mechanism the location of separating brake position with separate.The three position mechanism that does not have the separating brake mechanical position limitation in actual applications, it is necessary, necessary that the often generation accident because of the damage of control apparatus, so single motor three position mechanism sub-gate position is equipped with mechanical position limitation.
The utility model content
Technical problem to be solved in the utility model provides a kind of spacing and separating mechanism of single motor three position mechanism of simple in structure, dependable performance.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of spacing and separating mechanism of single motor three position mechanism, be installed on the frame of three position mechanism, the spacer pin that is used on the worm gear with the drive unit that is installed in three position mechanism matches, it is characterized in that, comprise and be symmetrical arranged two rocking arms that are inclination and be symmetrical arranged two connecting levers that are inclination equally, the lower end of described rocking arm is rotatably connected on the middle part of respective side connecting lever, the upper end of described connecting lever is rotatably connected in the described frame, be provided with limit shaft between the bottom of two described connecting levers, the dropout plate and the semiaxis that are provided with angled connection between each described connecting lever and the limit shaft and can rotate around the junction, the junction of described rocking arm and connecting lever, the junction of described dropout plate and semiaxis and the upper end of connecting lever and described frame junction are respectively arranged with the torsion spring that keeps above-mentioned parts to have the trend of rotating up; And described spacer pin only is one, and under gate-dividing state, described spacer pin is between the upper end of two described rocking arms and have the gap, is provided with for promoting the electromagnet that each described dropout plate is rotated down in each described connecting lever side simultaneously.
Both sides, described worm gear top are respectively equipped with the combined floodgate guide vane end stop for the described spacer pin of backstop, and described connecting lever top is provided with the braking roll of the described connecting lever of backstop.When spacer pin turned to the top to the combined floodgate guide vane end stop, combined floodgate put in place, and travel switch disconnects, and the motor dead electricity shuts down; Be not subjected under the external force effect, rocking arm and connecting lever can only move to correct position toward the motion of torsion direction under the twisting force of torsion spring I, be stopped axle and withstand, and prepare for separating brake is spacing.
Compared with prior art, advantage of the present utility model is: spacer pin only arranges one, when separating brake between the upper end of two rocking arms, come the spacing of controlling organization separating brake position and separate with semiaxis with two cover rocking arms, connecting lever, simple in structure, part is few, the spacing performance of separating brake is more reliable, is fit to very much the GIS switch to the requirement of three position mechanism; Gapped between the rocking arm of spacing and separating mechanism and the spacer pin, can compensate the loss that causes because of the angle transmission, thereby guarantee overlapping of switch isolation separating brake and ground connection separating brake.
Description of drawings
Fig. 1 is the assembling schematic diagram of three position mechanism of the present utility model;
Fig. 2 is three position mechanism upward view of the present utility model;
Fig. 3 is three position mechanism end view of the present utility model;
Fig. 4-1 is spacing and separating mechanism gate-dividing state schematic diagram of the present utility model;
Fig. 4-2 is spacing and separating mechanism combined floodgate initial state schematic diagram of the present utility model;
Fig. 4-3 is spacing and separating mechanism "on" position schematic diagram of the present utility model;
Fig. 4-4 is the spacing and separating mechanism separating brake of the present utility model preceding view that puts in place;
Fig. 5-1 is interlocking of the present utility model, indication and auxiliary switch structure gate-dividing state upward view;
Fig. 5-2 is interlocking of the present utility model, indication and auxiliary switch structure gate-dividing state schematic diagram;
Fig. 5-3 is that the A-A of Fig. 5-2 is to cutaway view;
Fig. 6-1 is interlocking of the present utility model, indication and the auxiliary switch structure upward view that closes a floodgate clockwise;
Fig. 6-2 is interlocking of the present utility model, indication and the auxiliary switch structure schematic diagram that closes a floodgate clockwise;
Fig. 6-3 is that the B-B of Fig. 6-2 is to cutaway view;
Fig. 7-1 is interlocking of the present utility model, indication and the auxiliary switch structure structure upward view that closes a floodgate counterclockwise;
Fig. 7-2 is interlocking of the present utility model, indication and the auxiliary switch structure schematic diagram that closes a floodgate counterclockwise;
Fig. 7-3 is that the C-C of Fig. 7-2 is to cutaway view.
Embodiment
Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.
Referring to Fig. 1-Fig. 3, a kind of switch is with single motor three position mechanism, be applicable to operation GIS, H-GIS, PASS (PIug And Switch System plug-in type switching device) isolating/grounding switch sub-assembly, especially be suitable for operating the GIS isolation/ground connection unit switch of 126KV.The profile of three position mechanism is pancake, is fit to very much the requirement of case GIS altogether.
Above-mentioned three position mechanism comprises frame 1, be provided with drive unit 2 and conventional electrical control gear in the frame 1, for the ease of cabling, the auxiliary relay 3 in the electrical control gear and temperature/humidity control device 4 are arranged in the left side in the frame 1, stagger with drive unit 2.
Drive unit 2 includes and comprises motor 21, worm screw 22 worm gears, 26 pairs and clutch, wherein motor 21 is fixed in the frame 1 by motor fixing plate, motor output shaft 211 is provided with gear I 212, the two ends of worm screw 22 respectively are equiped with a bearing 23, are installed between the header board 11 and back plate 12 that arranges in the frame 1 by bearing pedestal respectively.Above-mentioned clutch is torsion clutch 25, this torsion clutch 25 is arranged on the end of worm screw 22, and prop up the gear II 221 that is installed on worm screw 22 these ends, said gear I 212 and the 221 engagement pairings of gear II, the rotation with motor 21 is delivered to worm screw 22 thus.The middle part of worm screw 22 and worm gear 26 engagements, worm gear 26 is parallel with back plate 12 with header board 11, and worm screw 22 can drive worm gear 26 rotations after being driven rotation by motor 21.
The front surface of worm gear 26 is provided with a spacer pin 261, rotates along with the rotation of worm gear 26, is used for cooperating with the spacing and separating mechanism 5 that is positioned at worm gear 26 belows, and this is spacing will to be described in detail below with separating mechanism 5.Moment of torsion is transmitted in worm screw 22 and worm gear 26 retarded motions, and moment of torsion is by exporting with the output shaft 27 of worm gear 26 interlocks.In the present embodiment, be meshed with driven gear 29 on being installed in output shaft 27 with 28 of worm gear 26 coaxial mounted driving gears, by changing the number of teeth of driving and driven gear, can regulate output angle easily, with output shaft 27 corresponding positions, offer interior rectangular spline 13 on the installed surface of frame 1, making switch shaft (being the output shaft of switch) can extend in the frame 1 is connected with output shaft 27, and the drive system of mechanism does not expose, and both has been conducive to sealing, makes switch elegant in appearance again.The secondary connection of three position mechanism is by industrial coupling 14 outputs at frame 1 top, and industrial coupling 14 is conventional connector formula structure, makes things convenient for three position mechanism to connect with the electric of switch.
The both sides of worm gear 26 are respectively arranged with 6, two on manual axle and manually pair are connected with the two ends of worm screw 22 by bevel gear respectively the upper end of axle 6.Three position mechanism also comprises interlocking, indication and auxiliary switch structure 7, will be described in detail below.
Referring to Fig. 4-1, spacing and separating mechanism 5 comprises and is symmetrical arranged two Rocker arm 5s 1 that are inclination, and is symmetrical arranged two connecting levers 52 that are inclination equally, and when gate-dividing state, spacer pin 261 is between the upper end of two Rocker arm 5s 1 and butt, referring to Fig. 4-1.The bottom of Rocker arm 51 is connected the middle part of respective side connecting lever 52 by pin 54, and the junction is provided with torsion spring I 53.The upper end of connecting lever 52 is rotated and is arranged on the locating shaft 55, and be provided with torsion spring III 63, be provided with limit shaft 56 between the bottom of two connecting levers 52, be provided with between each connecting lever 52 and the limit shaft 56 dropout plate 57 and with its by the torsion spring II 58 angled semiaxis that are connected 59, semiaxis 59 and limit shaft 56 all be located at header board 11 and the back plate 12 between, preferably, during gate-dividing state, dropout plate 57 is vertically, and 59 of semiaxis are level, this moment, semiaxis 59 offseted with connecting lever 52, rotated to prevent connecting lever 52.This dropout plate 57 and semiaxis 59 rotate around both junctions, the motion before and after can not doing.Also comprise the electromagnet that push rod can move horizontally, magnet spool 60 is loaded on each connecting lever 52 side, is connected with header board 11 by bent plate, when the push rod of electromagnet moves to connecting lever 52 opposed inside, can push up dropout plate 57.Each connecting lever 52 top also is respectively equipped with braking roll 61, be not subjected under the external force effect, Rocker arm 51 and connecting lever 52 can only move to correct position toward the motion of torsion direction under the twisting force of torsion spring I 53 and torsion spring III 63, be stopped axle 61 and withstand, prepare for separating brake is spacing.Toward torsion direction motion, the limited axle of the motion of semiaxis 59 56 is spacing when moving to correct position under the twisting force of torsion spring II 58 for semiaxis 59.Both sides, worm gear 26 top are respectively equipped with combined floodgate guide vane end stop 62, make when spacer pin 261 turns to this position, by combined floodgate guide vane end stop 62 backstops, stop motion.
Referring to Fig. 7-1-Fig. 7-3, interlocking, indication and auxiliary switch structure 7 comprise and worm gear 26 coaxial mounted gear III 71, are hexagonal square shaft by an end face and realize being synchronized with the movement with worm gear 26.Gear III 71 belows are provided with tooth bar interlock plate 72, and the upper end of tooth bar interlock plate 72 is provided with sawtooth 721, be used for and 71 engagements of gear III, thus can be so that tooth bar interlock plate 72 be done the movement of horizontal direction when gear III 71 is rotated.The top of tooth bar interlock plate 72 offers horizontal long slot bore 722, and the bearing pin of fixing with back plate 12 15 is inserted in the long slot bore 722, thereby defines tooth bar interlock plate 72 position in vertical direction.When tooth bar interlock plate 72 moved horizontally, bearing pin 15 slided in long slot bore 722.Offer rectangle breach 724 on the tooth bar interlock plate 72, be used for cooperating with the manual axle 6 of both sides, thereby open or block manual axle 6.Each manually is provided with an auxiliary switch 73 in the outside of axle 6, at this, two auxiliary switches 73 symmetric arrangement centered by worm gear is fixed on the plate 12 of back with fixed head respectively, be provided with cubic bar 731 in the middle of the auxiliary switch 73, be arranged with transmission crank arm 732 at cubic bar 731.The both sides, lower end of tooth bar interlock plate 72 are respectively equipped with trundle 723, cooperate with transmission crank arm 732, are used for keeping and rotation auxiliary switch 73.The middle part of transmission crank arm 732 offers elongated slot 7321, trundle 723 can be pushed in the elongated slot 7321, transmission crank arm 732 also has from elongated slot 7321 outward extending straight line planes 7322, and straight line plane 7322 is level during gate-dividing state, extends to the transmission crank arm 732 of opposite side.Four directions bar 731 extends downwards outside the frame 1, and its end has indicating device 74 with bolt, shows and close a floodgate or separating brake that auxiliary switch 73 and the indicating device 74 of same side are synchronized with the movement.
The bottom also is provided with the moving interlocking switch 8 of conventional torch in frame 1, is used for allowing or the operation of pinning manual/electric.Whole three position mechanism is symmetrically arranged centered by output shaft 27, and is both compact, attractive in appearance again.
The operation principle of three position mechanism of the present utility model is:
Isolation/contact of earth operation: Fig. 4-1 is the gate-dividing state schematic diagram, in the present embodiment, when worm gear 26 clockwise rotates from Fig. 4-1 position, is to isolate closing operation; When worm gear 26 rotates counterclockwise from Fig. 4-1 position, be the contact of earth operation.Because principle is identical, direction of rotation only, now beginning to isolate closing operation with Fig. 4-1 position is that example is illustrated, after motor 21 energisings, be transferred to worm screw 22 by gear I 212, the rotation of worm screw 22 makes worm gear 26 drive output shaft 27 and rotates that in addition, the rotation of worm gear 26 also makes the spacer pin 261 on it rotate from the separating brake position toward isolating closing position.Simultaneously, referring to Fig. 4-2 and Fig. 4-3, right side magnet spool 60, the push rod of this electromagnet is mobile to the inside, the push rod of electromagnet promotes the dropout plate 57 of this side, because dropout plate 57 is fixed together with semiaxis 59, makes semiaxis 59 rotate 28 ° after dropout plate 57 is promoted by the push rod of electromagnet, in opened condition, abdicate and connecting lever 52 between breach.At this moment, spacer pin 261 withstands Rocker arm 51.Because Rocker arm 51 is an eccentric part, when spacer pin 261 continues motion, can promote Rocker arm 51 and connecting lever 52 is rotated down.Because semiaxis 59 has rotated, no longer carries out spacing to connecting lever 52.The more past isolation closing position rotation of spacer pin 261, the just more down rotation of Rocker arm 51 and connecting lever 52 no longer contacts with Rocker arm 51 until spacer pin 261, and separating action is finished.After separating action was finished, Rocker arm 51 and connecting lever 52 had lost the pressure of spacer pin 261 to them, and under the reset force effect of torsion spring I 53 and torsion spring III 63, the breach of abdicating from semiaxis 59 comes out, and returned to the spacing original state of separating brake.Semiaxis 59 resistances disappear, and also recover the spacing original state of separating brake.When spacer pin 261 turned to the combined floodgate guide vane end stop 62 that pushes up the left side, combined floodgate put in place.Meanwhile, gear III 71 also clockwise rotates, and tooth bar interlock plate 72 is moved horizontally, left shown in Fig. 7-1,7-2,7-3, when isolating combined floodgate, by cooperating of the elongated slot 7321 in trundle 723 and the transmission crank arm 732, promote cubic bar 731 and rotate, auxiliary switch 73 corresponding contacts are disconnected, motor 21 dead electricity, shut down, the indicating device 74 on right side shows the sign of isolating combined floodgate simultaneously, and the indicating device 74 in left side shows the sign of ground connection separating brakes.Isolate in the process of closing a floodgate at this, damage or motor 21 overshoots as auxiliary switch 73, the resistance of switching load, Rocker arm 51, connecting lever 52 and combined floodgate guide vane end stop 62 surpasses the specified slipping torque of torsion clutch 25, motor 21 rotations, and worm screw 22 and worm gear 26 transmission devices are motionless, thereby have avoided the damage that causes because of overload.
Isolation/ground connection sub-switching operation: Fig. 4-3 in the present embodiment, when worm gear 26 rotates counterclockwise from Fig. 4-3 position, is to isolate sub-switching operation for isolating the "on" position schematic diagram; When the combined floodgate guide vane end stop 62 on spacer pin among Fig. 4-3 261 and right side offsets, be the contact of earth view, then be ground connection sub-switching operation if worm gear 26 clockwise rotates this moment.Because principle is identical, direction of rotation only, now beginning to isolate sub-switching operation with Fig. 4-3 is that example is illustrated, when motor 21 electric after, be transferred to worm screw 22 by gear I 212, the counter-rotating of worm screw 22 makes worm gear 26 drive output shaft 27 and rotates counterclockwise that in addition, the counter-rotating of worm gear 26 also makes the spacer pin 261 on it rotate toward the separating brake position from isolating closing position.When spacer pin 261 arrives position shown in Fig. 4-4, worm gear 26 continues to rotate counterclockwise, spacer pin 261 overcomes the active force of torsion spring I 53, and the Rocker arm 51 in compressing left side clockwise rotates around pin 54, after spacer pin 261 is crossed this Rocker arm 51, spacer pin 261 has arrived centre position (namely isolate separating brake and overlap the position with the ground connection separating brake); Rocker arm 51 withstands spacer pin 261; this moment, semiaxis 59 restored to the original state; connecting lever 52 is played position-limiting action; rotatablely moving of worm gear 26 is prevented from, spacing finishing, output shaft 27 stop motions.In this process, gear III 71 also rotates counterclockwise, tooth bar interlock plate 72 is moved right to the intermediateness shown in Fig. 5-2, shown in Fig. 5-1,5-2,5-3, when isolating separating brake by Fig. 7-2, by cooperating of the elongated slot 7321 in trundle 723 and the transmission crank arm 732, promote cubic bar 731 backward rotation, make auxiliary switch 73 corresponding contacts disconnect motor 21 dead electricity, shut down, separating brake puts in place.The indicating device 74 on right side shows the sign of isolating separating brake simultaneously, and the indicating device 74 in left side still shows the sign of ground connection separating brake.Isolate in the process of separating brake at this, damage or motor 21 overshoots as auxiliary switch 73, the resistance of switching load, Rocker arm 51, connecting lever 52 and dropout plate 57 and semiaxis 59 surpasses the specified slipping torque of torsion clutch 25, motor 21 rotations, and worm screw 22 and worm gear 26 transmission devices are motionless, thereby have avoided the damage that causes because of overload.
The manual and electric operation interlocking: when manual operation makes the switch on/off switch, open frame 1, electromotive power source is cut off.Insert handle and manually spools 6 be connected from the isolated operation mouth 81 of frame 1 bottom or ground connection gathering hole 82 (these two gathering holes are corresponding with rectangle breach 724 on the tooth bar interlock plate 72), manually shake handle and drive worm screw 22, thereby make output shaft 27 and worm gear 26 rotations, make three position mechanism isolate combined floodgate, separating brake as required respectively, contact of earth or sub-switching operation, itself and electronic difference are that the rotation of the rotation of worm gear 26, dropout plate 57 and semiaxis 59 is by manually finishing.Three position mechanism is when the separating brake position, but the manual operation three position mechanism is isolated combined floodgate or contact of earth; Three stations give mechanism when isolating closing position, and its ground connection gathering hole 82 is blocked by tooth bar interlock plate 72, can not operate three position mechanism and go contact of earth; Three position mechanism is when the contact of earth position, and its isolated operation mouth 81 is blocked by tooth bar interlock plate 72, can not operate three position mechanism and remove to isolate combined floodgate.
To Fig. 5-3, during the state that mediates (gate-dividing state), tooth bar interlock plate 72 is in the centre position referring to Fig. 5-1, and manual operation this moment handle both can insert in the isolated operation mouth 81 in left side, can insert again in the ground connection gathering hole 82 on right side.The auxiliary switch of both sides, transmission crank arm 732 are in initial position, and auxiliary switch 73 is at gate-dividing state, and left and right two indicating devices 74 are all indicated separating brake.
Referring to Fig. 6-1 and Fig. 6-2, have only when being in gate-dividing state tooth bar interlock plate 72 and not blocking arbitrary gathering hole, just can carry out manual operation, when carrying out manual operation as inserting in from the rectangle breach 724 of the ground connection gathering hole 82 on right side and tooth bar interlock plate 72, the manual axle 6 on operation right side is done motion (also can be that motor 21 moves clockwise) clockwise, driven gear III 71 is done rotation counterclockwise, also drives tooth bar interlock plate 72 and moves right.Moving right of tooth bar interlock plate 72, its trundle 723 on the right side enter transmission crank arm 732 rotations that promote the right side in the elongated slot of transmission crank arm 732 on right side, and the auxiliary switch 73 on right side and indicating device 74 rotate synchronously.Simultaneously, the trundle 723 that is positioned at tooth bar interlock plate 72 left sides is moving linearly to the right also, does parallel motion with the straight line plane contact of the transmission crank arm 732 in left side, and keeping auxiliary switch 73 and the indicating device 74 in left side is original state.The right side contact of earth puts in place, the manual axle 6 in left side is blocked, and the manual operation handle can not operate on it, and the auxiliary switch 73 on right side closes a floodgate and connects, the indicating device 74 on right side shows contacts of earth, and the auxiliary switch 73 in left side and indicating device 74 still still are gate-dividing state.At this moment can only operate the outside right side state that shows to the switch on right side.Do motion (also can be that motor 21 moves counterclockwise) counterclockwise when the manual axle 6 on operation right side, driven gear III 71 is done fortune rotation clockwise, also drives tooth bar interlock plate 72 rectilinear motion left.Tooth bar interlock plate 72 is to left movement, and its trundle 723 on the right side enters the transmission crank arm 732 that the elongated slot 7321 of the transmission crank arm 732 on right side promotes right sides and back rotates, and the auxiliary switch 73 on right side and indicating device 74 rotate synchronously.Simultaneously, the trundle 723 that is positioned at tooth bar interlock plate 72 left sides is moving linearly left also, contacts with the straight line plane 7322 of the transmission crank arm 732 in left side and does parallel motion, and keeping auxiliary switch 73 and the indicating device 74 in left side is original state.When the ground connection separating brake puts in place, the manual axle 6 in left side is exposed, and the manual operation handle can both carry out manual operation to both sides, and the auxiliary switch 73 of both sides is all at separating brake, two indicating devices, 74 indication separating brakes.Referring to Fig. 6-3, similarly just direction was opposite in 6 o'clock for the manual axle in operation left side.
The above only is preferred implementation of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection range of the present utility model.

Claims (2)

1. the spacing and separating mechanism of a single motor three position mechanism, be installed on the frame (1) of three position mechanism, the spacer pin (261) that is used on the worm gear (26) with the drive unit that is installed in three position mechanism (2) matches, it is characterized in that, comprise and be symmetrical arranged two rocking arms (51) that are inclination and be symmetrical arranged two connecting levers (52) that are inclination equally, the lower end of described rocking arm (51) is rotatably connected on the middle part of respective side connecting lever (52), the upper end of described connecting lever (52) is rotatably connected in the described frame (1), be provided with limit shaft (56) between the bottom of two described connecting levers (52), the dropout plate (57) and the semiaxis (59) that are provided with angled connection between each described connecting lever (52) and the limit shaft (56) and can rotate around the junction, the junction of described rocking arm (51) and connecting lever (52), the upper end of the junction of described dropout plate (57) and semiaxis (59) and connecting lever (52) and described frame (1) junction are respectively arranged with the torsion spring that keeps above-mentioned parts to have the trend of rotating up; And described spacer pin (261) only is one, under gate-dividing state, described spacer pin (261) is positioned between the upper end of two described rocking arms (51) and has the gap, is provided with for promoting the electromagnet that each described dropout plate (57) is rotated down in each described connecting lever (52) side simultaneously.
2. the spacing and separating mechanism of single motor three position mechanism as claimed in claim 1, it is characterized in that, described worm gear (26) both sides, top are respectively equipped with the combined floodgate guide vane end stop (62) for the described spacer pin of backstop (261), and described connecting lever (52) top is provided with the braking roll (61) of the described connecting lever of backstop (52).
CN 201320104507 2013-03-07 2013-03-07 Position-restricted and separating mechanism of single motor three station mechanism Active CN203179780U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105551873A (en) * 2016-02-29 2016-05-04 上海天灵开关厂有限公司 Switch cabinet, three-position isolation switch mechanism and interlocking device thereof
CN106328429A (en) * 2016-08-30 2017-01-11 中国西电电气股份有限公司 Single-motor three-station mechanism with mechanical interlocking and unlocking functions of DS and ES
CN107068435A (en) * 2017-06-09 2017-08-18 河南润蒲电力科技有限公司 A kind of three-station electric operating mechanism used for high-voltage switch
CN107170595A (en) * 2017-06-05 2017-09-15 河南平高电气股份有限公司 A kind of mechanical position limitation mechanism and three station operating mechanisms using the mechanism
CN107833770A (en) * 2017-12-12 2018-03-23 博耳(无锡)电力成套有限公司 A kind of interlock control apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105551873A (en) * 2016-02-29 2016-05-04 上海天灵开关厂有限公司 Switch cabinet, three-position isolation switch mechanism and interlocking device thereof
CN106328429A (en) * 2016-08-30 2017-01-11 中国西电电气股份有限公司 Single-motor three-station mechanism with mechanical interlocking and unlocking functions of DS and ES
CN107170595A (en) * 2017-06-05 2017-09-15 河南平高电气股份有限公司 A kind of mechanical position limitation mechanism and three station operating mechanisms using the mechanism
CN107068435A (en) * 2017-06-09 2017-08-18 河南润蒲电力科技有限公司 A kind of three-station electric operating mechanism used for high-voltage switch
CN107833770A (en) * 2017-12-12 2018-03-23 博耳(无锡)电力成套有限公司 A kind of interlock control apparatus
CN107833770B (en) * 2017-12-12 2020-01-17 博耳(无锡)电力成套有限公司 Interlocking control device

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Address after: 315400, No. 20 Hing Tung Road, Ma Ma, Yuyao, Zhejiang

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Address before: 315400 Yuyao Huayu Electric Appliance Co., Ltd., 20, Zhen Xing Dong Road, Ma Qiao, Yuyao, Zhejiang

Patentee before: Liao Minghou