A kind of high-voltage switch gear and mechanical operating mechanism thereof
Technical field
The utility model relates to high-voltage switch gear field, has particularly related to a kind of high-voltage switch gear and mechanical operating mechanism thereof.
Background technology
Along with state's high-voltage switch gear market competition is growing more intense, high-voltage switch gear product is gradually to future developments such as miniaturization, low cost, low operating work, high reliability.
Along with above-mentioned development trend, high-voltage switch gear drive technology has traditional oscillating rod type progressively by technical substitution such as rack-and-pinion, worm drive formulas.Along with the update of drive technology, realize Switch main body machinery stop bit device simple, reliably also become the necessary technology means realizing drive mechanism miniaturization.And existing high-voltage switch gear stop bit device adopts single machinery firmly to contact stop bit, cause that product moving end noise is high, vibration is large, to body and match mechanism equivalent damage more serious.
Summary of the invention
The purpose of this utility model is to provide a kind of high-voltage switch gear, with solve existing high-voltage switch gear moving end noise high, vibrate large problem.
Meanwhile, the purpose of this utility model is also the mechanical operating mechanism providing above-mentioned high-voltage switch gear.
In order to solve the problem, high-voltage switch gear is by the following technical solutions: high-voltage switch gear, the mechanical operating mechanism comprising Switch main body and be in transmission connection with Switch main body, machinery operating mechanism comprises power output shaft, described power output shaft is provided with at least one pair of reverse volute spring, volute spring is divided into tripping spring and switching-in spring, and when the contact of Switch main body is positioned at mid-ranges, tripping spring and switching-in spring are all in free state; When the contact of Switch main body is positioned at open position, tripping spring is in the state of rolling tightly, and switching-in spring is in loose winding state; When the contact of Switch main body is positioned at closing position, tripping spring is in loose winding state, and switching-in spring is in the state of rolling tightly.
Described power output shaft is connected with power input shaft by gear spindle drive, one end of described gear shaft is provided with for arrive when the contact of Switch main body point, closing position time by the lockable mechanism that puts in place locked for gear shaft.
The described lockable mechanism that puts in place comprise spin-ended be assemblied in gear shaft respective end with turntable and for the latching parts with turntable described in locking, latching parts are connected with drive unit.
Described is pin with turntable, pin and gear shaft cross assembly.
Described drive unit is electromagnet driving device.
The mechanical operating mechanism of high-voltage switch gear is by the following technical solutions: the mechanical operating mechanism of high-voltage switch gear, comprise the power output shaft for being in transmission connection with Switch main body, described power output shaft is provided with at least one pair of reverse volute spring, volute spring is divided into tripping spring and switching-in spring, when the contact of respective switch body is positioned at mid-ranges, tripping spring and switching-in spring are all in free state; When the contact of Switch main body is positioned at open position, tripping spring is in the state of rolling tightly, and switching-in spring is in loose winding state; When the contact of Switch main body is positioned at closing position, tripping spring is in loose winding state, and switching-in spring is in the state of rolling tightly.
Described power output shaft is connected with power input shaft by gear spindle drive, one end of described gear shaft is provided with for arrive when the contact of Switch main body point, closing position time by the lockable mechanism that puts in place locked for gear shaft.
The described lockable mechanism that puts in place comprise spin-ended be assemblied in gear shaft respective end with turntable and for the latching parts with turntable described in locking, latching parts are connected with drive unit.
Described is pin with turntable, pin and gear shaft cross assembly.
Described drive unit is electromagnet driving device.
Power output shaft due to the mechanical operating mechanism of high-voltage switch gear of the present utility model is provided with at least one pair of reverse volute spring, volute spring is divided into tripping spring and switching-in spring, when the contact of Switch main body is positioned at mid-ranges, tripping spring and switching-in spring are all in free state; When the contact of Switch main body is positioned at open position, tripping spring is in the state of rolling tightly, and switching-in spring is in loose winding state; When the contact of Switch main body is positioned at closing position, tripping spring is in loose winding state, switching-in spring is in the state of rolling tightly, therefore, in the process of Switch main body divide-shut brake, volute spring can provide power-assisted for the action of Switch main body, in the action later stage at the action initial stage, volute spring then can play deceleration buffer effect, efficiently solve existing high-voltage switch gear moving end noise high, vibrate large problem.
Further, the lockable mechanism that puts in place can realize Switch main body action put in place after locking, the reliability of high-voltage switch gear can be ensured further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of high-voltage switch gear machinery operating mechanism;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the C-C cutaway view of Fig. 1;
Fig. 4 is the A direction view of Fig. 1.
Embodiment
The embodiment of the mechanical operating mechanism of high-voltage switch gear, as shown in Figure 1, this mechanical operating mechanism comprises power output shaft 11, gear shaft 12, power input shaft 13 and the lockable mechanism that puts in place.
Power output shaft 11 is in transmission connection by gear shaft 12 and power input shaft 13, in the present embodiment, gear shaft 12 there are input gear 14 and output gear 15, power output shaft 11, gear shaft 12 and power input shaft 13 all parallel to each other, gears meshing set on input gear wherein on gear shaft 12 14 and power input shaft 13, gears meshing set on output gear 15 and power output shaft 11, power input shaft 13 is also connected with rotating driving device, in the present embodiment, what rotating driving device specifically adopted is motor 16, the rotary power that motor 16 work produces is successively through power input shaft 13, gear shaft 12 and power output shaft 11 may be output on corresponding Switch main body later.
Power output shaft 11 is also provided with buffer unit, what buffer unit specifically adopted is reverse volute spring 17, in the present embodiment, reverse volute spring has a pair, one in a pair volute spring is tripping spring, and another is switching-in spring, certainly, in other embodiments, the quantity of reverse volute spring is all can for more than a pair as required.Reverse volute spring is fixedly assemblied on power output shaft 11, and after power output shaft 11 is connected with corresponding Switch main body, when the contact of Switch main body is positioned at mid-ranges, tripping spring and switching-in spring are all in free state; When the contact of Switch main body is positioned at open position, tripping spring is in the state of rolling tightly, and switching-in spring is in loose winding state; When the contact of Switch main body is positioned at closing position, tripping spring is in loose winding state, and switching-in spring is in the state of rolling tightly.
The lockable mechanism that puts in place is located at one end place of gear shaft 12, its for Switch main body contact arrive point, closing position time gear shaft is locked, in the present embodiment, the lockable mechanism that puts in place comprise spin-ended be assemblied in gear shaft respective end with turntable and for the latching parts 18 with turntable described in locking, latching parts are connected with drive unit, be wherein pin 19 with turntable, pin 19 and gear shaft 12 intersect, and (being square crossing in the present embodiment) assembles, and drive unit is electromagnet driving device 20.
The embodiment of high-voltage switch gear, comprises Switch main body and mechanical operating mechanism, and the structure of mechanical operating mechanism is identical with the structure of the embodiment of above-mentioned mechanical operating mechanism, and it will not go into details herein.