A kind of switch cabinet shutter device
Technical field
The utility model relates to medium-voltage distribution technical field, is specifically related to a kind of switch cabinet shutter device.
Background technology
Switch cubicle is the equipment often using in medium-voltage distribution technical field, and valve arrangement is to be arranged at portable function handcart safety insulating device together with between main circuit contact box in switch cubicle, the structure of valve arrangement generally comprises the valve plate up and down that is positioned at contact box the place ahead, valve plate is opened driving mechanism, handcart compressive-shear knife plate etc.
When function handcart that can withdraw-type is during in normal operating condition, main circuit is connected.When needs power-off or while keeping in repair, functional part disengaging is connected with main circuit contact box, retreat to outside test position or switch cubicle, the former upper and lower valve of opening of valve mechanism is closed automatically, main circuit contact box sealing isolation by charged, enters the safety of carrying out the maintenance personal of maintenance work in cabinet to ensure.
Current switch cubicle, the mode that mostly adopts steel wire rope to pull upper and lower valve plate to open, at function handcart, shift out outside cabinet or during interruption maintenance, all exist manual push-and-pull valve still can open the hidden danger of valve plate, once staff, there is similar misoperation, easily encounter still charged main circuit contact box, cause great electric shock accidents.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of unlatching automatically or locking, switch cabinet shutter device that security reliability is high.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of switch cabinet shutter device, comprise valve, lower valve and a pair of flipper guide, described upper valve and lower valve are arranged between flipper guide, the side that described flipper guide deviates from opposite side guide plate is provided with in driving, lower valve is opened or closed lever driving device, described flipper guide is provided with position and goes up valve chute and lower valve chute accordingly with upper valve and lower valve respectively, described upper valve chute and lower valve chute are strip, described lever driving device comprises the first pull bar and drives the first pull bar to make the live cover push-rod pumping, one end handing-over of the first described pull bar has the first lever, one end of the first described lever is rotated and is arranged on described flipper guide, the other end of the first lever is hinged with lower valve connecting rod, described lower valve connecting rod is provided with the lower connecting pin that can move reciprocatingly along lower valve chute away from one end of the first lever, described lower connecting pin is connected with described lower valve, on the first described lever, be hinged with the second pull bar, the second described pull bar is hinged with one second lever away from one end of the first lever, the middle part of the second lever is rotated and is arranged on described flipper guide, the second described lever is hinged with upper valve connecting rod away from one end of the second pull bar, described upper valve connecting rod is provided with away from one end of the second lever can be along the reciprocating upper connecting pin of upper valve chute, described upper connecting pin is connected with described upper valve, described upper valve one side is rotated and is arranged on flipper guide, one side of described lower valve is rotated and is arranged on flipper guide.
As preferably, described upper valve comprises on first valve plate on valve plate and second, on described first, valve plate is provided with upper valve rotational pin with the relative side of valve plate on described second, and valve plate is connected and is formed by upper valve rotational pin with valve on described second and relatively rotates cooperation on described first.Adopt after above-mentioned preferred version, the unlatching of upper valve is more flexible, can clamping stagnation.
As preferably, on described first, valve plate is provided with upper valve rotating shaft away from a side of upper valve rotational pin, the two ends of described upper valve rotating shaft are fixed on described flipper guide, on described first, valve plate is rotated and is arranged on described flipper guide by upper valve rotating shaft, and valve plate is connected with described upper connecting pin away from the two ends of a side of upper valve rotational pin on described second.Adopt after above-mentioned preferred version, the unlatching of upper valve is more flexible, can clamping stagnation.
As preferably, described lower valve comprises first time valve plate and second time valve plate, described first time valve plate side relative with second time described valve plate is provided with lower valve rotational pin, and first time described valve plate is connected and formed by lower valve rotational pin with second time described valve and relatively rotate cooperation.Adopt after above-mentioned preferred version, the unlatching of lower valve is more flexible, can clamping stagnation.
As preferably, first time described valve plate is provided with lower valve rotating shaft away from a side of lower valve plate rotational pin, the two ends of described lower valve rotating shaft are fixed on described flipper guide, first time described valve plate rotated and is arranged on described flipper guide by described lower valve rotating shaft, and second time described valve plate is connected with described lower connecting pin away from the two ends of a side of lower valve rotational pin.Adopt after above-mentioned preferred version, the unlatching of lower valve is more flexible, can clamping stagnation.
As preferably, the hinged setting in end of the middle part of the first described lever and the first described pull bar, one end that the first described lever and flipper guide are rotatably assorted is provided with the first rotating shaft, and the rotation that the first described lever forms above-mentioned the first lever by the first rotating shaft arranges.Adopt after above-mentioned preferred version, the arm of force of the first lever both sides arranges rationally, can play more effective leverage.
As preferably, the second described pull bar and the first lever hinged place are between described the first pull bar and the first rotating shaft, and the first described lever deviates from one end of rotating shaft and the end of described lower valve connecting rod is hinged.Adopt after above-mentioned preferred version, the arm of force of the first lever both sides arranges rationally, can play more effective leverage.
As preferably, the below of described flipper guide is provided with valve locking device, described valve locking device is provided with locking connecting rod, the first described pull bar is hinged by locking connecting rod and described valve locking device, the lower end of one end of described live cover push-rod and the first pull bar is articulated with respectively on described valve locking device, and the first described lever is articulated with one end that the first described pull bar coordinates with valve locking device away from it.Adopt after above-mentioned preferred version, valve locking device is more smooth and easy with being connected of the first pull bar.
As preferably, the first described pull bar and the live cover push-rod cooperation place that offsets is provided with the first pull bar step, and described live cover push-rod forms described above offseting with the first pull bar step and coordinates.Adopt after above-mentioned preferred version, live cover push-rod drives the better effects if of the first pull bar.
Switch cabinet shutter device of the present utility model is provided with the first lever and the second lever, by the first lever, the second lever, coordinate with other parts, realized lever principle, multistage transmission, design ingeniously, reliability is high, simultaneously by set up valve locking device on valve mechanism, reduce the possibility of misoperation, improved the reliability of Electrical Safety and life safety.
Accompanying drawing explanation
Fig. 1 is structural representation when valve and lower valve are closed on the utility model embodiment;
Fig. 2 is side structure schematic diagram when valve and lower valve are closed on the utility model embodiment;
Fig. 3 is perspective view when valve and lower valve are closed on the utility model embodiment;
Fig. 4 is structural representation when valve and lower valve are opened on the utility model embodiment;
Fig. 5 is side schematic view when valve and lower valve are opened on the utility model embodiment;
Fig. 6 is perspective view when valve and lower valve are opened on the utility model embodiment.
Embodiment
As shown in Fig. 1-Fig. 6, embodiment of the present utility model is a kind of switch cabinet shutter device specifically, comprises the flipper guide 3 of valve 1, lower valve 2 and a pair of vertical setting.Upper valve 1 and lower valve 2 are arranged between flipper guide 3.The side that flipper guide 3 deviates from opposite side guide plate 3 is provided with the upper valve 1 of driving, lower valve 2 is opened or closed lever driving device 4, the below of flipper guide 3 is provided with valve locking device 5, and flipper guide 3 is provided with position and goes up accordingly valve chute 31 and lower valve chutes 32 with upper valve 1 and lower valve 2 respectively.Upper valve chute 31 and lower valve chute 32 are strip, and upper valve chute 31 and lower valve chute 32 are slightly obliquely installed, and the movement locus when degree that both are obliquely installed and upper valve 1 and lower valve 2 are opened is suitable.Lever driving device 4 comprises live cover push-rod 41 and the first pull bar 42, and the lower end of one end of live cover push-rod 41 and the first pull bar 42 is articulated with respectively on valve locking device 5, and the middle part of live cover push-rod 41 offsets and coordinates with the bottom of the first pull bar 42.The first pull bar 42 is hinged with the first lever 43 away from the hinged one end of itself and valve locking device 5, one end of the first lever 43 is rotated and is arranged on flipper guide 3, the other end of the first lever 43 is hinged with lower valve connecting rod 44, and lower valve connecting rod 44 is provided with the lower connecting pin 441 that can move reciprocatingly along lower valve chute 32 away from one end of the first lever 43.Lower connecting pin 441 is connected with lower valve 2, on the first lever 43, be hinged with the second pull bar 45, the second pull bar 45 is hinged with one second lever 46 away from one end of the first lever 43, the middle part of the second lever 46 is rotated and is arranged on flipper guide 3, the second lever 46 is hinged with upper valve connecting rod 47 away from one end of the second pull bar 45, upper valve connecting rod 47 is provided with away from one end of the second lever 46 can be along the reciprocating upper connecting pin 471 of upper valve chute 31, upper connecting pin 441 is connected with upper valve 1, upper valve 1 one sides are rotated and are arranged on flipper guide 3, one side of lower valve 2 is rotated and is arranged on flipper guide 3.
Upper valve 1 comprises on first valve plate 12 on valve plate 11 and second, the side that on first, valve plate 11 is relative with valve plate on second 12 is provided with on upper valve rotational pin 13, the first valve plate 11 and is connected and is formed by upper valve rotational pin 13 with valve on second 12 and relatively rotate cooperation.On first, valve plate 11 is provided with upper valve rotating shaft 14 away from a side of upper valve rotational pin 13, the two ends of upper valve rotating shaft 14 are fixed on flipper guide 3, on first, valve plate 11 is rotated and is arranged on flipper guide 3 by upper valve rotating shaft 14, and valve plate 12 is connected with upper connecting pin 471 away from the two ends of a side of upper valve rotational pin 13 on second.
Lower valve 2 comprises first time valve plate 21 and second time valve plate 22, first time valve plate 21 and second time relative side of valve plate 22 are provided with 23, the first times valve plates 21 of lower valve rotational pin and are connected and are formed by lower valve rotational pin 23 with second time valve plate 22 and relatively rotate cooperation.First time valve plate 21 is provided with lower valve rotating shaft 24 away from a side of lower valve rotational pin 23, and the two ends of lower valve rotating shaft 24 are fixed on flipper guide 3.First time valve plate 21 is rotated and is arranged on flipper guide 3 by lower valve rotating shaft 24.Second time valve plate 22 is connected with lower connecting pin 441 away from the two ends of a side of lower valve rotational pin 23.
The hinged setting in end of the middle part of the first lever 43 and the first pull bar 42, one end that the first lever 43 and flipper guide 3 are rotatably assorted is provided with the rotation that the first rotating shaft 431, the first levers 43 form the first above-mentioned lever 43 by the first rotating shaft 431 and arranges.The second pull bar 45 and the first lever 43 hinged places are between the first pull bar 42 and the first rotating shaft 431, and the first lever 43 is hinged away from one end of the first rotating shaft 431 and the end of lower valve connecting rod 44.
It is hinged by locking connecting rod 51 and valve locking device 51 that valve locking device 5 is provided with locking connecting rod 51, the first pull bars 42.The first pull bar 42 and live cover push-rod 41 cooperation place that offsets is provided with the first pull bar step 421, and live cover push-rod 41 coordinates with above-mentioned the offseting of the first pull bar step 421 formation.Valve locking device 5 is provided with separates locking plate 52
Enter car release valve opening process as follows: function handcart enters in cabinet, function handcart driving wheel 6 promotes valve locking device 5, and the solution locking plate 52 of valve locking device 5 moves downward release.Handcart moves on, and function handcart driving wheel 6 promotes live cover push-rods 41 and does spinning movement to front lower.Drive the first pull bar 42 to move downward, the first pull bar 42 drives the first lever 43 to move downward around the first rotating shaft 431.Strength is broken down into two parts herein; A part is delivered to lower valve 2 by the first lever 43 by lower valve connecting rod 44, and lower valve 2 moves downward; Another strength is given second lever 46 by the second pull bar 45 strength transmission by the first sub lever 43, the second lever 46 rotates around itself and flipper guide 3 places of being rotationally connected, the second lever 46 by upper valve connecting rod 47 by strength transmission to upper valve 1, upper valve 1 moves upward.Function handcart driving wheel 3 continues slowly to advance, and upper valve 1, lower valve 2 are slowly opened, until live cover push-rod 41 is depressed into level, upper valve 1 and lower valve plate 2 just can be fully opened.Moving back car valve automatic closing lock, to determine process as follows: car is moved back in the disjunction of function handcart, and function handcart driving wheel 3 moves outside cabinet, generally upper valve 1 use iron can be made lower valve 2 use aluminums, and because upper valve 1 valve 2 under anharmonic ratio is large.On live cover push-rod 41, lift reset, upper valve 1, lower valve 2 from the method for double differences in the transmittance process of lever driving device 4, upper valve 1 and lower valve 2 are slowly closed.Function handcart exits to cabinet, and valve locking device 5 inside are provided with back-moving spring, and back-moving spring does not show in the drawings, under the effect of back-moving spring, locks, and so far, upper valve 1 and lower valve 2 are closed and automatically by self-locking.