A kind of lower door interlocking mechanism of switch cubicle
Technical field
The utility model relates to the release mechanism of cabinet door, is specially a kind of lower door interlocking mechanism of switch cubicle.
Background technology
The interlocking device of high-voltage switch gear is the important measures ensureing power network safe operation, guarantee equipment and personal safety, prevent misoperation.At present, on market, high-tension switch cabinet type is a lot, and great majority have more perfect interlock method, but existing mechanical interlock mechanism structure is comparatively complicated, and service behaviour is unreliable.
Utility model content
The purpose of this utility model is to provide a kind of interlocking device being applicable to hinge rotary switch door, has the advantage that structure is simple, reliable and stable, easy to maintenance.
The technical scheme realizing above-mentioned purpose is: a kind of lower door interlocking mechanism of switch cubicle, comprise cabinet, be arranged on visiting and Xiamen and isolating switch combined floodgate main shaft, isolating switch combined floodgate main shaft being provided with handle hole for the Manual operation handle that is connected, by rotating the divide-shut brake of isolating switch combined floodgate Spindle control isolating switch on cabinet;
Isolating switch combined floodgate main shaft connects the first sprocket wheel, cabinet is provided with the second sprocket wheel by rotating shaft, by chain drive between the first sprocket wheel and the second sprocket wheel, described second sprocket wheel is fixed with the cam rotated with one heart with the second sprocket wheel; The right side of cam is provided with spring detent assembly, spring block assembly and connecting rod;
Spring detent assembly is all connected with cabinet with spring block assembly, described spring block assembly comprises the first take-up housing, the first chute is provided with in first take-up housing, the first slide block being provided with the first spring in first chute and sliding up and down along the first chute, one end of first spring is connected with the lower end of the first slide block, the other end is connected with the first take-up housing, connecting rod is connected with the first slide block by the first bolt, the lower end of connecting rod is connected with the connecting rod that diameter is less than connecting rod, and the lower end of connecting rod is fixed with briquetting;
Spring detent assembly is arranged between cam and spring block assembly, spring detent assembly comprises the second take-up housing, the second chute is provided with in second take-up housing, the second slide block being provided with the second spring in second chute and horizontally slipping along the second chute, one end of second spring is connected with the right-hand member of the second slide block, the other end is connected with the second take-up housing, the spacer pin horizontally slipped with the second slide block is provided with above described second slide block, spacer pin is connected by the second bolt with the second slide block, one end and the cam contact formula of spacer pin are arranged, the upper and lower displacement moving horizontally control link of spacer pin is driven by the rotation of cam, the back side of described Xiamen is provided with C shape buckle, described C shape buckle comprises vertical fixed head, be connected to the pinch plate of fixed head upper end and be connected to the pressing plate of fixed head lower end, described pressing plate tilts upward setting, described pinch plate and pressing plate are respectively arranged with draw-in groove, the lower end of connecting rod is equipped with in draw-in groove, the notch of the draw-in groove on described pinch plate reduces from inside to outside gradually, the diameter that on pinch plate, the external port of draw-in groove is greater than connecting rod is less than the diameter of connecting rod, and on pinch plate, the inner port of draw-in groove is greater than the diameter of connecting rod.
Described connecting rod has placed fairlead, and described fairlead is fixed on cabinet, and fairlead is used for the guiding of connecting rod upper and lower displacement.
Described connecting rod is connected with handle hole baffle plate, handle hole baffle plate is used for when isolating switch is in open position, shelters from the handle hole of isolating switch combined floodgate main shaft, avoids personnel's manually operating grip closing by hand.
The course of work of the present utility model:
The course of work of closing a floodgate: the Xiamen of closing upper wardrobe body, the briquetting drivening rod that C shape buckle surface thereof pressing plate upwards presses down connecting rod lower end is gradually descending, and connecting rod is descending is simultaneously equipped with in the draw-in groove of pinch plate.The handle hole baffle plate be connected on connecting rod is descending together, expose the handle hole of isolating switch combined floodgate main shaft, manually operating grip rotates the handle hole realization combined floodgate of isolating switch combined floodgate main shaft, rotated by chain belt moving cam simultaneously, the spacer pin of cam promotion spring detent assembly is placed in the upper end of connecting rod, avoids connecting rod up.
The course of work of separating brake: manually the handle hole of operating grip rotation isolating switch combined floodgate main shaft realizes separating brake, rotated by chain belt moving cam simultaneously, the spacer pin that cam promotes spring detent assembly is retracted, first slide block of rod spring slide block assembly is up under the effect of the first spring, drivening rod is up, connecting rod is equipped with in the draw-in groove of pinch plate, makes the Xiamen energy smooth opening of switch cubicle.
The utility model effectively prevent switch cabinet electrified and opens the door, and swift and convenient to operate, and structure is simple, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model "on" position;
Fig. 2 is the end view of the utility model "on" position;
Fig. 3 is the structural representation of the utility model gate-dividing state;
Fig. 4 is the end view of the utility model gate-dividing state;
Fig. 5 is the structural representation of spring block assembly of the present utility model;
Fig. 6 is the structural representation of spring detent assembly of the present utility model;
Fig. 7 is the structural representation of C shape buckle of the present utility model;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the upward view of Fig. 7.
Embodiment
As shown in Fig. 1-9, the utility model comprises being arranged on, and cabinet visits 2 and Xiamen 3 and isolating switch combined floodgate main shaft 4, isolating switch combined floodgate main shaft 4 is provided with handle hole 5 for the Manual operation handle that is connected, controls the divide-shut brake of isolating switch by rotating isolating switch combined floodgate main shaft 4.
The first sprocket wheel 6 that isolating switch combined floodgate main shaft 4 connects, by the second sprocket wheel 8 that rotating shaft 7 is provided with on cabinet 1, one end and the cabinet of rotating shaft 7 are fixed, the other end of rotating shaft 7 is installed can the second sprocket wheel 8 of rotating of phase countershaft 7, by chain 9 transmission between first sprocket wheel 6 and the second sprocket wheel 8, described second sprocket wheel 8 is fixed with the cam 10 rotated with one heart with the second sprocket wheel 8; The right side of cam 10 is provided with spring block assembly 11, spring detent assembly 12 and connecting rod 13.
Spring block assembly 11 is all connected with cabinet with spring detent assembly 12, described spring block assembly 11 comprises the first take-up housing 14, the first chute 15 is provided with in first take-up housing 14, the first slide block 17 being provided with the first spring 16 in first chute 15 and sliding up and down along the first chute 15, one end of first spring 16 is connected with the lower end of the first slide block 17, and the other end is connected with the first slide block 17.
Connecting rod 13 is connected with the first slide block 17 by the first bolt 18, connecting rod 13 places fairlead 30, fairlead 30 is fixed on cabinet, the lower end of connecting rod 13 is connected with the connecting rod 18 that diameter is less than connecting rod 13, the lower end of connecting rod 18 is fixed with briquetting 19, described connecting rod 13 is connected with handle hole baffle plate 31, and handle hole baffle plate 31, for when isolating switch is in open position, to shelter from, the handle hole 5 of isolating switch combined floodgate main shaft 4.
Spring detent assembly 12 is arranged between cam 10 and spring block assembly 11, spring detent assembly 12 comprises the second take-up housing 20, the second chute 21 is provided with in second take-up housing 20, the second slide block 23 being provided with the second spring 22 in second chute 21 and horizontally slipping along the second chute 21, one end of second spring 22 is connected with the right-hand member of the second slide block 23, the other end is connected with the second take-up housing 20, the spacer pin 24 horizontally slipped with the second slide block 23 is provided with above described second slide block 23, spacer pin 24 is connected by the second bolt 25 with the second slide block 23, one end and cam 10 contact of spacer pin 24 are arranged, the upper and lower displacement moving horizontally control link 13 of spacer pin 24 is driven by the rotation of cam 10.
The back side of described Xiamen 3 is provided with C shape buckle 25, C shape buckle 25 comprises vertical fixed head 26, be connected to the pinch plate 27 of fixed head 26 upper end and be connected to the pressing plate 28 of fixed head 26 lower end, described pressing plate 28 tilts upward setting, described pinch plate 27 and pressing plate 28 are respectively arranged with draw-in groove 29, the lower end of connecting rod 13 is equipped with in the draw-in groove 29 of pinch plate 27 and pressing plate 28, the notch of the draw-in groove 29 on described pinch plate 27 reduces from inside to outside gradually, the diameter that on pinch plate 27, the external port of draw-in groove 29 is greater than connecting rod 18 is less than the diameter of connecting rod 13, on pinch plate 27, the inner port of draw-in groove 29 is greater than the diameter of connecting rod 13.
The course of work of closing a floodgate: closing Xiamen 3, the C shape buckle 25 surface thereof pressing plate 28 upwards of upper wardrobe body, to press down briquetting 19 drivening rod 13 of connecting rod 18 lower end gradually descending, and connecting rod 13 is descending is simultaneously equipped with in the draw-in groove 29 of pinch plate 27.The handle hole baffle plate 31 be connected on connecting rod 18 is descending together, expose the handle hole 5 of isolating switch combined floodgate main shaft 4, manually operating grip rotates the handle hole 5 realization combined floodgate of isolating switch combined floodgate main shaft 4, rotated by chain 9 driving-belt moving cam 10 simultaneously, the spacer pin 24 that cam 10 promotes spring detent assembly 12 is placed in the upper end of connecting rod 13, avoids connecting rod 13 up.
The course of work of separating brake: manually the handle hole 5 of operating grip rotation isolating switch combined floodgate main shaft 4 realizes separating brake, rotated by chain 9 driving-belt moving cam 10 simultaneously, the spacer pin 24 that cam 10 promotes spring detent assembly 12 is retracted, first slide block 17 of rod spring slide block assembly 11 is up under the effect of the first spring 16, drivening rod 13 is up, connecting rod 18 is equipped with in the draw-in groove 29 of pinch plate 27, makes the Xiamen 3 energy smooth opening of switch cubicle.