CN201478144U - Earthing switch electrical operating mechanism - Google Patents
Earthing switch electrical operating mechanism Download PDFInfo
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- CN201478144U CN201478144U CN2009203063365U CN200920306336U CN201478144U CN 201478144 U CN201478144 U CN 201478144U CN 2009203063365 U CN2009203063365 U CN 2009203063365U CN 200920306336 U CN200920306336 U CN 200920306336U CN 201478144 U CN201478144 U CN 201478144U
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Abstract
The utility model discloses an earthing switch electrical operating mechanism which mainly comprises a base, and an operating shaft component and a pressing control panel that are rotatablely arranged on the base, as well as a microstroke switch, an electrical operating component and an elastic limit component that are fixedly arranged on the base, wherein the operating shaft component comprises a hexagonal operating shaft; the electrical operating component comprises a motor provided with a power output shaft and a transmission mechanism, wherein the transmission mechanism is a gear transmission mechanism with mechanical force overload protection and is connected between the power output shaft and the hexagonal operating shaft; the microstroke switch and the electrical operating component are respectively connected with a control circuit; and the transmission mechanism is driven by the power output shaft of the motor when the motor rotates, the hexagonal operating shaft is driven to rotate by the transmission mechanism, an earthing switch is controlled to be switched on or off by the rotation of the hexagonal operating shaft, and the operating shaft component, the pressing control panel, the microstroke switch and the elastic limit component are movably connected with the control circuit to control the process of switching on or off.
Description
Technical field
The utility model relates to a kind of motor-operating mechanism that is used for the switch cubicle earthed switch.
Background technology
Along with the progress of power equipment manufacturing process, the power supply quality of power equipment is more and more stable, in order further to improve the automaticity of power industry, and the transformer station's unattended transformation that has been in full swing of power supply industry constituent parts.
In existing various high-tension switch cabinets, earthed switch is combined floodgate or the separating brake that rotates the control earthed switch by one six side's operating axis.When the equipment such as vacuum circuit-breaker in the switch cubicle are overhauled, the chassis car that generally will carry vacuum circuit-breaker is withdrawed to test position by the service position, need operate six side's operating axis manually and rotate control earthed switch combined floodgate, under the premise that security is guaranteed equipment be overhauled.After maintenance finishes, operate six side's operating axis more manually and rotate control earthed switch separating brake, then the chassis car is pushed into the service position from test position.This mode of operation for earthed switch is too single, and this mode of operation does not meet the automation requirement of power industry, the staff need reach the spot and by six side's operating axis earthed switch be operated, and is more frequent for the operation of the electric power system of 10kV; And owing to need staff's manual operation, thereby there is potential safety hazard.
Chinese patent literature CN201237977Y discloses a kind of electric operating structure of earthed switch, this motor-operating mechanism comprises a pedestal, this pedestal is provided with six side's operating axis, a motor, a two-way clutch and an intermediate transmission mechanism, its six sides operating axis is connected with intermediate transmission mechanism, and bidirectional clutch is connected between the power output shaft and intermediate transmission mechanism of motor.The power output shaft of motor rotates and by bidirectional clutch interlock intermediate transmission mechanism like this, and the intermediate transmission mechanism six side's operating axis that link can rotate control six side's operating axis by the positive and negative rotation of control motor.The electric operating structure of this earthed switch can realize the combined floodgate or the separating brake of far-end control earthed switch; but its volume is bigger; need consider the size that it takes up room during installation; and its bidirectional clutch does not possess overload protection function; if certain part generation clamping stagnation fault in the electric operation process; most probably whole motor-operating mechanism is caused bigger infringement, thus the potential safety hazard of bringing.
The utility model content
Technical problem to be solved in the utility model provides a kind of fail safe earthed switch motor-operating mechanism preferably.
The technical scheme that realizes the utility model purpose is: a kind of earthed switch motor-operating mechanism is provided, comprises pedestal, operating axis assembly, push control board, micro limit switch, electric operating assembly and elasticity limit assembly.The electric operating assembly comprises motor and transmission mechanism.The motor and the transmission mechanism of operating axis assembly, electric operating assembly all are arranged on the pedestal.
The operating axis assembly comprises six side's operating axis and shifting parts.Shifting part is enclosed within on six side's operating axis, and both are upwards spacing mutually in week.Micro limit switch comprises shell and roller type elasticity pressing key, two signal output parts that are electrically connected with control circuit when also being provided with two power ends and use.Micro limit switch is fixed on the pedestal by its shell.Six side's operating axis of pushing control board and operating axis assembly are rotationally connected, and are dynamically connected with the shifting part of operating axis assembly, and rolling with the roller type elasticity pressing key of micro limit switch contacts.The elasticity limit assembly is fixedlyed connected with pedestal, and with push the control board elastic damping and be dynamically connected.The transmission mechanism of electric operating assembly comprises preceding gear stage, back gear stage and permanent thrust clutch, and permanent thrust clutch is arranged between preceding gear stage and the back gear stage.Back gear stage comprises the power output, and this power output is fixedlyed connected with six side's operating axis.
Pedestal comprises front shoe, rear fixed plate, the 3rd copper sheathing, the 4th copper sheathing, four connecting bolts, four attaching nuts and four support sets.Front shoe and rear fixed plate are arranged in parallel.After each connecting bolt passes a corresponding fixing hole on a corresponding fixing hole of front shoe, a corresponding support set and the rear fixed plate successively, screw afterbody by a corresponding attaching nut again at connecting bolt, thereby constitute the main body of pedestal, wherein each support set is supported between front shoe and the rear fixed plate.The 3rd copper sheathing is in the middle part installing hole of front shoe, and mutual interference fit.The 4th copper sheathing is in the middle part installing hole of rear fixed plate, and mutual interference fit.
The transmission mechanism of electric operating assembly is the gear drive of mechanical force overload protection, and permanent thrust clutch wherein comprises electromagnet apparatus, inserted link, compression spring, three steel balls, backstay, gear shaft and second gears.
The basic configuration of inserted link is a bullet shape, comprises cylinder and the Rotary-table that is connected the cylinder front end.The middle part of inserted link and anterior being provided with the axis are the medium pore of center line.
Gear shaft is a hollow shaft.Gear shaft comprise opening backward centre bore, three steel ball holes that are disposed radially and are centrosymmetric that communicate with centre bore are set vertically, around the cannelure of axis body periphery setting be opened in keyway on the axis body outer surface.The folded angle of the axis of adjacent steel ball hole is 120 degree.The diameter of the centre bore of gear shaft matches with the cylindrical diameter of inserted link, thereby is slidingly connected before and after both.
The compression spring is stretched in the medium pore of inserted link by its rear end, backstay is stretched in the compression spring by its rear end, according to forward by backstay, with backstay compress spring and inserted link by after stretch into forward in the centre bore of gear shaft, thereby make being slidingly connected between inserted link and the gear shaft be connected for Elastic Sliding.
Each steel ball is arranged in the corresponding steel ball hole of gear shaft, and contacts with the Rotary-table of inserted link.
The front end of gear shaft stretches in the 3rd copper sheathing, and the rear end of gear shaft is stretched in the 4th copper sheathing, and gear shaft and the 3rd copper sheathing and the 4th copper sheathing articulate simultaneously.
Electromagnet apparatus comprises shell, moving iron core, fixed core and coil, and electromagnet apparatus is fixed on the rear fixed plate of pedestal from the rear by its shell.The front end of the moving iron core of electromagnet apparatus is relative with the rear end face of inserted link.
Have three axial semicircle grooves on the wall of the medium pore of second gear.These three grooves are 120 degree and distribute.Second gear rotation is automatically connected on the gear shaft, and second gear is enclosed within on the shaft part that is provided with steel ball hole of gear shaft by its central hole wall.
When the moving iron core of electromagnet apparatus promotes inserted link forward and the elastic force that overcomes the compression spring when making that inserted link is in front position, each steel ball is embedded in the rotation of second gear in the corresponding semicircle groove of second gear by half spheroid that it is in the outside, thereby makes permanent thrust clutch be in engagement.When electromagnet apparatus is cancelled its moving forward thrust unshakable in one's determination, when under the elastic force effect of compression spring, making that inserted link moves to back-end location backward, second gear is each steel ball of compressing in rotation then, and makes in its withdrawal gear shaft, thereby makes permanent thrust clutch be in from state.
Said base also comprises the 5th copper sheathing and the 6th copper sheathing.The 5th copper sheathing place is gone in the bottom installing hole of front shoe, and mutual interference fit.The 6th copper sheathing is in the bottom installing hole of rear fixed plate, and mutual interference fit.
The aforesaid operations shaft assembly also comprises first copper sheathing and second copper sheathing.The profile of first copper sheathing and the second copper sheathing all profile with cylinder is identical, and its endoporus separately is the hexagon hole.
First copper sheathing is in the top installing hole of front shoe and with front shoe and is rotationally connected.Second copper sheathing is in the top installing hole of rear fixed plate and with rear fixed plate and is rotationally connected.Six side's operating axis pass the hexagon hole of first copper sheathing and second copper sheathing, and six side's operating axis and first copper sheathing and second copper sheathing are upwards spacing mutually in week, thereby six side's operating axis are rotationally connected by first copper sheathing and second copper sheathing and pedestal.
The preceding gear stage of above-mentioned electric operating assembly comprises first flat key, first gear and first separation sleeve, also comprises second gear that belongs to permanent thrust clutch simultaneously.The back gear stage of electric operating assembly comprises shaft block ring, second flat key, the 3rd gear, the 4th gear and second separation sleeve, also comprises the gear shaft that belongs to permanent thrust clutch simultaneously, and wherein the 4th gear is the power output of back gear stage.
The power output shaft of motor is provided with keyway, and this power output shaft passes the 5th copper sheathing and the 6th copper sheathing, and is rotationally connected with the 5th copper sheathing and the 6th copper sheathing.
Have keyway on the medium pore of first gear of preceding gear stage.First geared sleeve is in the front portion of the power output shaft of motor, first flat key is arranged between the keyway of the keyway of power output shaft and first gear, make the gear of winning upwards limited in week, first separation sleeve is enclosed within the rear portion of the power output shaft of motor, makes the gear of winning limited in the axial direction.Second gear is meshed with first gear.
The shaft block ring of back gear stage is enclosed within on the cannelure of gear shaft, thereby carries out spacing to second gear in the axial direction.
Have keyway on the wall of the medium pore of the 3rd gear.The 3rd geared sleeve is at the rear portion of gear shaft, is arranged on by second flat key between the keyway of the keyway of gear shaft and the 3rd gear, thus upwards spacing mutually in week.
The medium pore of the 4th gear is the hexagon hole.Second separation sleeve and the 4th gear are enclosed within on six side's operating axis from front to back successively, and are between front shoe and the rear fixed plate, and the 4th gear is upwards spacing mutually with six side's operating axis in week, and the 4th gear is spacing by second separation sleeve in the axial direction.The 4th gear and the 3rd gears engaged.
Above-mentioned elasticity limit assembly comprises 2 caging bolts, 2 locking nuts, 2 compressions spring, 2 plain cushions and 2 cushion covers.Push first deep-slotted chip breaker that each side has a vertical setting of control board, the centre has a circular mounting hole, and the top in circular mounting hole has second deep-slotted chip breaker of a horizontally set, and the lower end of pushing control board is provided with a protuberance.
The shifting part of operating axis assembly comprises rotor plate and stirs pin.The middle part of rotor plate has the six side's installing holes that match with six side's operating axis, and what the right part of rotor plate had a circle stirs the pin installing hole.Stir the rear end of pin and stretch into stirring in the pin installing hole of rotor plate, and be weldingly fixed on the rotor plate.
Rotor plate is enclosed within on six side's operating axis by its six sides installing hole, and is positioned at the place ahead of front shoe, and both are upwards spacing mutually in week.Push control board and pass through its circular mounting borehole jack on six side's operating axis, be positioned at the place ahead of rotor plate, and pass second deep-slotted chip breaker of rotor plate by the front end of stirring pin forward.Each caging bolt of elasticity limit assembly pass successively the compression spring, a corresponding plain cushion, push corresponding one first deep-slotted chip breaker and a corresponding cushion cover of control board after, screw upper locking nut, screw on a corresponding elastic spacing one screw of front shoe by its bolt tail again, thereby make caging bolt elasticity push down and push control board, also make and push control board and elasticity limit assembly elastic damping is dynamically connected.Pushing control board is contacted with the roller type elasticity pressing key rolling of the micro limit switch of below by its protuberance.
Above-mentioned earthed switch motor-operating mechanism also comprises pressing plate.Micro limit switch also comprises connector, first circuit and second circuit.When roller type elasticity pressing key is in depressing position, make connector connect first circuit.Roller type elasticity pressing key is in when lifting the position, makes connector connect second circuit.
Above-mentioned earthed switch motor-operating mechanism also comprises supporting bracket and cover plate.The upper and lower of front shoe and rear fixed plate respectively has a horizontal supporting bracket installing hole.The middle part respectively has a vertical supporting bracket installing hole, and is positioned at left.
Supporting bracket has 3, and the both sides of the front end of every supporting bracket are equipped with the breach of a rectangle, and the both sides of the rear end of every supporting bracket are equipped with the breach of a rectangle, thereby has formed the connection-peg at the two ends of supporting bracket.The position, middle of every supporting bracket is provided with a screwed hole.
Cover plate comprises upper plate, lower plate and left plate, and upper plate is identical with lower plate horizontally set and shape, and left plate vertically is provided with, and the left end of upper plate and lower plate horizontal welding respectively is connected on the both sides up and down of left plate.Be equipped with a fixing hole on upper plate, left plate and the lower plate.
2 supporting brackets are plugged on front shoe and rear fixed plate up and down in the supporting bracket installing hole of both sides by separately 2 connection-pegs respectively, and another piece supporting bracket is plugged on by its 2 connection-pegs on the vertical supporting bracket installing hole at middle part of front shoe and rear fixed plate.
Screw on the screwed hole of a corresponding supporting bracket pass the corresponding fixing hole of cover plate respectively by 3 bolts after, thereby cover plate is fixed on the piece supporting bracket, and between front shoe and rear fixed plate.
The utlity model has positive effect:
(1) the permanent thrust clutch appliance of earthed switch motor-operating mechanism of the present utility model has the mechanical force overload protection function; earthed switch is being implemented in the electrically operated engineering, during as if appearance overload phenomenon, permanent thrust clutch is disengagement automatically; make motor idle running, effectively protected motor.
(2) micro limit switch of the use of earthed switch motor-operating mechanism of the present utility model can not only be controlled the making process of earthed switch but also control the separating brake process, economizes on resources.
(3) useful life of earthed switch motor-operating mechanism of the present utility model longer, can effectively use more than 2000 times, stability better.
(4) the electronic and manual operation of earthed switch motor-operating mechanism of the present utility model switching is very convenient, only needs that control is implemented in the power supply supply of motor and electromagnet and gets final product.
(5) volume of earthed switch motor-operating mechanism of the present utility model is less, and its width 67mm only is very convenient during installation in one embodiment, and because volume is less, so versatility is stronger, is applicable to all kinds of switch cubicles.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 looks schematic diagram for the left side of Fig. 1.
Fig. 3 looks schematic diagram for the right side of Fig. 1.
Fig. 4 is the schematic top plan view of Fig. 1.
Fig. 5 is the A-A face cutaway view of Fig. 1.
Fig. 6 is the front shoe among Fig. 1 or the structural representation of rear fixed plate.
Fig. 7 be from the D of Fig. 1 to structural representation from each supporting bracket of C when observing of Fig. 2.
Fig. 8 is from the B of Fig. 3 wherein structure of cover plate schematic diagram when observing.
Fig. 9 is the structural representation of pushing control board among Fig. 1.
Figure 10 is from the B of Fig. 3 wherein the structural representation of rotor plate when observing.
Figure 11 is the part enlarged drawing of the permanent thrust clutch among Fig. 5.
Figure 12 is the structural representation of inserted link among Figure 11.
Figure 13 is the schematic top plan view of the gear shaft among Figure 11.
Figure 14 is the structural representation from B second gear when observing of Fig. 3.
Figure 15 is the schematic diagram after six side's operating axis among Fig. 1 rotate counterclockwise 180 degree.
Figure 16 continues to rotate counterclockwise schematic diagram when earthed switch is in the separating brake position for six side's operating axis among Figure 15.
Mark in the above-mentioned accompanying drawing is as follows:
Pedestal 1, front shoe 11, fixing hole 11-1, top installing hole 11-2, middle part installing hole 11-3, bottom installing hole 11-4, threading pore 11-5, supporting bracket installing hole 11-6, installing hole 11-7, push control board screw 11-8, micro limit switch screw 11-9, motor installing hole 11-10, electromagnet is installed screw 11-11, rear fixed plate 12, supporting bracket 13, screwed hole 13-1, cover plate 14, fixing hole 14-1, the 3rd copper sheathing 15, the 4th copper sheathing 16, the five copper sheathings 17, the six copper sheathings 18, connecting bolt 19-1, nut 19-2, support set 19-3
Operating axis assembly 2, six side's operating axis 20, the first copper sheathings 21, the second copper sheathings 22, rotor plate 23, six side's installing hole 23-1 stir pin installing hole 23-2, stir pin 24,
Push control board 3, the first deep-slotted chip breakers 31, circular mounting hole 32, the second deep-slotted chip breakers 33, protuberance 34, micro limit switch 4, shell 41, roller type elasticity pressing key 42,
Electric operating assembly 5, motor 51, power output shaft 51-1, the first gear 52-1, the second gear 52-2, the 3rd gear 52-3, the 4th gear 52-4,
Inserted link 53-1, compression spring 53-2, steel ball 53-3, backstay 53-4, gear shaft 53-5, medium pore 53-6, centre bore 53-7, steel ball hole 53-8, cannelure 53-9, keyway 53-10, groove 53-11,
The first flat key 55-1, the second flat key 55-2, the first separation sleeve 56-1, the second separation sleeve 56-2, shaft block ring 57,
Elasticity limit assembly 6, caging bolt 61, locking nut 62, compression spring 63, plain cushion 64, cushion cover 65,
Pressing plate 71, penetration pipe 72, construction bolt 73.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 5, a kind of earthed switch motor-operating mechanism in the utility model comprises pedestal 1, operating axis assembly 2, pushes control board 3, micro limit switch 4, electric operating assembly 5, elasticity limit assembly 6, pressing plate 71, penetration pipe 72 and construction bolt 73.
Still see Fig. 1 to Fig. 5, pedestal 1 comprises front shoe 11, rear fixed plate 12, supporting bracket 13, cover plate 14, the 3rd copper sheathing 15, the 4th copper sheathing 16, the 5th copper sheathing 17,18,4 connecting bolt 19-1 of the 6th copper sheathing, 4 attaching nut 19-2 and 4 support set 19-3.
See Fig. 1 to Fig. 6, front shoe 11 and rear fixed plate 12 are essentially identical 2 fixed heads of structure, and front and back are provided with, and are parallel to each other.All have 4 fixing hole 11-1 on 2 fixed heads, and be positioned on 4 angles of hypothetical rectangle, and this hypothetical rectangle is positioned at the middle and upper part of front shoe 11 and rear fixed plate 12.The centre of this hypothetical rectangle has top installing hole 11-2, middle part installing hole 11-3, bottom installing hole 11-4 totally 3 circular parts installing holes from top to bottom successively, and be equipped with 1 copper sheathing on each parts installing hole, all have several bolt mounting holes on every side, the upper right side of its middle and lower part installing hole 11-4 is provided with threading pore 11-5.The upper and lower of 2 fixed heads respectively has 1 horizontal supporting bracket installing hole 11-6; The middle part has 1 vertical supporting bracket installing hole 11-6, and is positioned at left.The right lower quadrant of 2 fixed heads all has about 2 installing hole 11-7 side by side, and is positioned at the top of the supporting bracket installing hole 11-6 of bottom.1 installing hole 11-7 among 2 installing hole 11-7 is standby installing hole.
Also be provided with 2 on the front shoe 11 and push control board screw 11-8,2 micro limit switch screw 11-9 and 4 motor installing hole 11-10, push the left and right sides that control board screw 11-9 is positioned at top installing hole 11-2 for 2.2 micro limit switch screw 11-9 are positioned at the both sides of middle part installing hole 11-3, and 4 motor installing hole 11-10 are symmetrical arranged around the center of bottom installing hole 11-4.Also be provided with 4 electromagnet on the rear fixed plate 12 screw 11-11 is installed, 4 electromagnet are installed screw 11-11 and are symmetrical arranged around installing hole 11-3 center, middle part.
See Fig. 7, supporting bracket 13 has 3, and the both sides of the front end of every supporting bracket 13 are equipped with the breach of a rectangle, and the both sides of the rear end of every supporting bracket 13 are equipped with the breach of a rectangle, thereby has formed the connection-peg at the two ends of supporting bracket 13.The position, middle of every supporting bracket 13 is provided with a screwed hole 13-1.
See Fig. 8, cover plate 14 comprises upper plate, lower plate and left plate, and upper plate is identical with lower plate horizontally set and shape, and left plate vertically is provided with, and the left end of upper plate and lower plate horizontal welding respectively is connected on the both sides up and down of left plate.Be equipped with a fixing hole 14-1 on upper plate, left plate and the lower plate.
See Fig. 2 to Fig. 5,2 supporting brackets 13 are plugged among the supporting bracket installing hole 11-6 of front shoe 11 and rear fixed plate both sides about in the of 12 by separately 2 connection-pegs respectively, another piece supporting bracket 13 is plugged on by its 2 connection-pegs on the vertical supporting bracket installing hole 11-6 at middle part of front shoe 11 and rear fixed plate 12, thereby front shoe 11 and rear fixed plate 12 are supported by 3 supporting brackets 13.
After passing a corresponding fixing hole 11-1 on the corresponding 11-1 of fixing hole one by one of front shoe 11, a corresponding support set 19-3 and the rear fixed plate 12 respectively successively by 4 connecting bolt 19-1, screw afterbody by the corresponding 19-2 of attaching nut one by one again at connecting bolt 19-1.Screw on the screwed hole 13-1 of a corresponding supporting bracket 13 pass the corresponding fixing hole 14-1 of cover plate 14 respectively by 3 bolts after, thereby cover plate 14 is fixed on 3 supporting brackets, and between front shoe 11 and rear fixed plate 12.
The 3rd copper sheathing 15 is fixed among the middle part installing hole 11-3 of front shoe 11, and mutual interference fit.The 4th copper sheathing 16 is fixed among the middle part installing hole 11-3 of rear fixed plate 12, and mutual interference fit.The 5th copper sheathing 17 is fixed among the bottom installing hole 11-4 of front shoe 11, and mutual interference fit.The 6th copper sheathing 18 is fixed among the bottom installing hole 11-4 of rear fixed plate 12, and mutual interference fit.
See Fig. 1 to Fig. 5, operating axis assembly 2 comprises six side's operating axis 20, shifting part, first copper sheathing 21 and second copper sheathing 22.
The profile of first copper sheathing 21 and the second copper sheathing 22 all profile with cylinder is identical, and its endoporus separately is the hexagon hole.First copper sheathing 21 is among the top installing hole 11-2 of front shoe 11 and with front shoe 11 and is rotationally connected.Second copper sheathing 22 is among the top installing hole 11-2 of rear fixed plate 12 and with rear fixed plate 12 and is rotationally connected.Six side's operating axis 20 pass the hexagon hole of first copper sheathing 21 and second copper sheathing 22, and the six side's operating axis 20 and first copper sheathing 21 and second copper sheathing 22 are upwards spacing mutually in week, thereby six side's operating axis 20 are rotationally connected with pedestal 1 by first copper sheathing 21 and second copper sheathing 22.
Shifting part comprises rotor plate 23 and stirs pin 24.See Figure 10, the middle part of rotor plate 23 has the six side's installing hole 23-1 that match with six side's operating axis 20, and what the right part of rotor plate 23 had a circle stirs pin installing hole 23-2.Stir the rear end of pin 24 and stretch into stirring among the pin installing hole 23-2 of rotor plate 23, and be weldingly fixed on the rotor plate 23.
See Fig. 9, push first deep-slotted chip breaker 31 that each side has 1 vertical setting of control board 3, the centre has a circular mounting hole 32, and the top in circular mounting hole 32 has second deep-slotted chip breaker 33 of a horizontally set, and the lower end of pushing control board 3 is provided with a protuberance 34.Still see Fig. 1 to Fig. 5, push control board 3 and be enclosed within on six side's operating axis 20, be positioned at the place ahead of rotor plate 23, and pass second deep-slotted chip breaker 33 of rotor plate 23 by the front end of stirring pin 24 forward by its circular mounting hole 32.
See Fig. 1 to Fig. 5, micro limit switch 4 comprises housing 41, roller type elasticity pressing key 42, connector, first circuit and second circuit.2 signal output parts that are electrically connected with control circuit when being provided with 2 power ends and use.When roller type elasticity pressing key 42 is in depressing position, make connector connect first circuit; Roller type elasticity pressing key 42 is in when lifting the position, makes connector connect second circuit.First circuit and second circuit of micro limit switch 4 all are electrically connected with control circuit.The housing 41 of micro limit switch 4 each side be provided with 1 fixing hole.
Still see Fig. 1 to Fig. 5, be provided with 3 bolt mounting holes in left, center, right on the pressing plate 71 from left to right successively, and the distance between two fixing holes on the housing 41 of the distance between its middle part bolt mounting holes, right part bolt mounting holes and micro limit switch 4 equates.Behind the fixing hole by housing 41 left sides of the middle part installing hole of 1 screw bolt passes pressing plate and micro limit switch 4, screw upper locking nut; After passing the left part installing hole of pressing plate by the 2nd bolt, screw upper locking nut, screw on the micro limit switch screw 11-9 of the left part of front shoe 11 by its bolt tail again; Behind the fixing hole by the right part installing hole of the 3rd screw bolt passes pressing plate 71 and housing 41 right sides, screw upper locking nut, screw on the micro limit switch screw 11-9 of the right part of front shoe 11 by its bolt tail again; Thereby the housing 41 of micro limit switch 4 is fixed on the front shoe 11.The model of micro limit switch 4 is LXW22, and the roller of its roller type elasticity pressing key 42 rolls with the protuberance of the lower end of pushing control board 3 34 and contacts.
See Fig. 1, Fig. 4 and Fig. 5, electric operating assembly 5 comprises motor 51 and transmission mechanism.The transmission mechanism of electric operating assembly 5 is the gear drive of mechanical force overload protection, comprises preceding gear stage, back gear stage and permanent thrust clutch, and permanent thrust clutch is arranged between preceding gear stage and the back gear stage.
See Fig. 5, by 4 bolts from screwing after the rear side of front shoe 11 passes a corresponding motor installing hole 11-10 on the installation screw of the motor cabinet of motor 51, thereby make motor 51 be fixed on the front shoe 11 by its motor cabinet.The power output shaft 51-1 of motor 51 is provided with keyway, and this power output shaft 51-1 passes the 5th copper sheathing 17 and the 6th copper sheathing 18, and is rotationally connected with the 5th copper sheathing 17 and the 6th copper sheathing 18.
See Fig. 3 and Fig. 5, the preceding gear stage of transmission mechanism comprises the first flat key 55-1, the first gear 52-1, the first separation sleeve 56-1 and the second gear 52-2.
Have keyway on the medium pore of the first gear 52-1.The first gear 52-1 is enclosed within the front portion of the power output shaft 51-1 of motor 51, the first flat key 55-1 is arranged between the keyway of the keyway of power output shaft 51-1 and the first gear 52-1, make the gear 52 of winning upwards limited in week, the first separation sleeve 56-1 is enclosed within the rear portion of the power output shaft of motor 51, makes the gear 52 of winning limited in the axial direction.
See Fig. 5 and Figure 11, permanent thrust clutch comprises inserted link 53-1, compression spring 53-2,3 steel ball 53-3, backstay 53-4, gear shaft 53-5 and electromagnet apparatus 54, also comprises the second gear 52-2 of the preceding gear stage that belongs to transmission mechanism simultaneously.
See Figure 12, the basic configuration of inserted link 53-1 is a bullet shape, comprises cylinder and the Rotary-table that is connected the cylinder front end.The middle part of inserted link 53-1 and anterior being provided with the axis are the medium pore 53-6 of center line.
See Fig. 5 and Figure 13, gear shaft 53-5 is a hollow shaft.Gear shaft 53-5 comprise opening backward centre bore 53-7,3 steel ball hole 53-8 that are disposed radially and are centrosymmetric that communicate with centre bore 53-7 are set vertically, around the cannelure 53-9 of axis body periphery setting be opened in keyway 53-10 on the axis body outer surface.The folded angle of the axis of adjacent steel ball hole 53-8 is 120 degree.The diameter of the centre bore 53-7 of gear shaft 53-5 matches with the cylindrical diameter of inserted link 53-1, thereby is slidingly connected before and after both.
The front end of gear shaft 53-5 stretches in the 3rd copper sheathing 15, and the rear end of gear shaft 53-5 is stretched in the 4th copper sheathing 16, and gear shaft 53-5 and the 3rd copper sheathing 15 and the 4th copper sheathing 16 articulate simultaneously.
See Fig. 5 and Figure 11, compression spring 53-2 is stretched into by its rear end among the medium pore 53-6 of inserted link 53-1, and backstay 53-4 is stretched among the compression spring 53-2 by its rear end, thereby forms an assembly.This assembly according to backstay 53-4 forward, with its by after stretch into forward among the centre bore 53-7 of gear shaft 53-5, thereby make being slidingly connected between inserted link 531 and the gear shaft 535 be connected for Elastic Sliding.
Each steel ball 53-3 is arranged in the corresponding steel ball hole 53-8 of gear shaft 53-5, and contacts with the Rotary-table of inserted link 53-1.
See Fig. 2 to Fig. 5, electromagnet apparatus 54 comprises shell 54-1, moving iron core, fixed core and coil, pass to screw behind the shell 54-1 by 4 bolts and install on the screw 11-11 at the electromagnet of rear fixed plate 12, and shell 54-1 is fixed on the rear fixed plate 12, and be positioned at the rear of rear fixed plate 12, the front end of the moving iron core of electromagnet apparatus 54 is relative with the rear end face of inserted link 53-1.
See Figure 14, have 3 axial semicircle groove 53-11 on the wall of the medium pore of the second gear 52-2; These 3 groove 53-11 are 120 degree distributions.See Fig. 3, Fig. 5 and Figure 13, the second gear 52-2 is rotatably connected on the gear shaft 53-5, and the second gear 52-2 is enclosed within on the shaft part that is provided with steel ball hole 53-8 of gear shaft 53-5 by its central hole wall, and is meshed with the first gear 52-1.
See Fig. 3 and Fig. 5, back gear stage comprises shaft block ring 57, the second flat key 55-2, the 3rd gear 52-3, the 4th gear 52-4 and the second separation sleeve 56-2, also comprises the gear shaft 53-5 that belongs to permanent thrust clutch simultaneously; Shaft block ring 57 is enclosed within on the cannelure 53-9 of gear shaft 53-5, thereby in the axial direction the second gear 52-2 is positioned.
See Fig. 5, have keyway on the wall of the medium pore of the 3rd gear 52 3.The 3rd gear 52-3 is enclosed within the rear portion of gear shaft 53-5, is arranged on by the second flat key 55-2 between the keyway of the keyway of gear shaft 53-5 and the 3rd gear 52-3, thus upwards spacing mutually in week.
The medium pore of the 4th gear 52-4 is the hexagon hole.The second separation sleeve 56-2 and the 4th gear 52-4 are enclosed within on six side's operating axis 20 from front to back successively, and be between front shoe 11 and the rear fixed plate 12, the 4th gear 52-4 is upwards spacing mutually with six side's operating axis 20 in week, the 4th gear 52-4 is spacing by the second separation sleeve 56-2 in the axial direction, the 4th gear 52-4 and the 3rd gear 52-3 engagement.
See Fig. 1 to Fig. 5, elasticity limit assembly 6 comprises 61,2 locking nuts of 2 caging bolts, 62,2 compressions, 63,2 plain cushions 64 of spring and 2 cushion covers 65.
Each caging bolt 61 of elasticity limit assembly 6 pass successively the compression spring 63, a corresponding plain cushion 64, push corresponding one first deep-slotted chip breaker 31 and a corresponding cushion cover 65 of control board 3 after, screw upper locking nut 62, screw on a corresponding elastic spacing one screw 11-8 of front shoe 11 by its bolt tail again, thereby make caging bolt 61 elasticity push down and push control board 3, make that also pushing control board 3 is dynamically connected with elasticity limit assembly 6 elastic dampings.
See Fig. 1 and Fig. 3, penetration pipe 72 between the threading pore 11-5 of front shoe 11 and rear fixed plate 12, and is positioned at the upper right side of the first gear 52-1 by clamping.
See Fig. 1 to Fig. 5, construction bolt 73 is used for whole earthed switch motor-operating mechanism is fixedly mounted on switch cubicle by passing a corresponding installing hole 11-7 and the installation spacer on an installing hole 11-7 on the front shoe 11, a corresponding support set, the rear fixed plate 12 successively.
The earthed switch motor-operating mechanism of present embodiment is by the control circuit control of far-end control centre.Motor 51, electromagnet apparatus 54 all are electrically connected with this control circuit.As shown in Figure 1, six side's operating axis, the 20 residing positions of the motor-operating mechanism of the earthed switch of present embodiment, make the earthed switch of switch cubicle be in closing position, this moment is if implement the separating brake electric operating to earthed switch, the then control by control circuit, starter motor 51 along with the rotation of the power output shaft 51-1 of motor 51, then drives the first gear 52-1 and the second gear 52-2 successively and rotates.Meanwhile, control by control circuit, two ends at electromagnet 54 add voltage, then the moving iron core of electromagnet 54 also claims thimble to promote inserted link 53-1 forward and the elastic force that overcomes compression spring 53-2 makes when inserted link 53-1 is in front position, each steel ball 53-3 is embedded in the rotation of the second gear 52-2 among the corresponding semicircle groove 53-11 of the second gear 52-2 by half spheroid that it is in the outside, thereby make permanent thrust clutch be in engagement, then the power output shaft 51-1 of motor 51 drives the first gear 52-1 successively, the second gear 52-2, gear shaft 53-5, the 3rd gear 52-3, the 4th gear 52-4, and six side's operating axis, 20 rotations.
The rotation of six side's operating axis 20, then driving rotor plate 23 rotates counterclockwise, when rotor plate 23 is rotated counterclockwise 180 degree and arrived position shown in Figure 15 by position shown in Figure 1, stir 24 state diagrams 1 of touching of pin and move to and the contacted state of its left bottom (Figure 15) along this second deep-slotted chip breaker 33 by right side bottom connection with second deep-slotted chip breaker 33 of pushing control board 3.Along with being rotated further of motor 51, six side's operating axis 20 make earthed switch become gate-dividing state by "on" position, begin to drive by shifting part simultaneously and push control board 3 and rotate counterclockwise, roll with 42 one side of roller type elasticity pressing key of the protuberance 34 contacted micro limit switch 4 of pushing control board 3 edge along protuberance 34, on the other hand then under the effect of spring, lift gradually, make the connector and first circuit disengage earlier, along with further lifting of roller type elasticity pressing key, then make connector that second circuit is connected (Figure 16), push control board 3 this moment and rotate counterclockwise 30 degree, after control circuit obtains the signal of second circuit connection, stop the power supply to motor 51 and electromagnet 54, motor 51 and electromagnet 54 quit work like this, and the separating brake process of earthed switch finishes.
If in the time of will making the earthed switch of switch cubicle close again, only need press the control button on the control circuit, rightabout when making motor 51 according to separating brake rotates and makes electromagnet 54 get, and obtain at control circuit that second circuit disconnects, after first circuit is connected the signal that device connects, control stops to carry power supplys to electromagnet 54 and motor 51.
When earthed switch is implemented electric operating; when if the load of six side's operating axis 20 surpasses proper working load; permanent thrust clutch steel ball 53-3 overcomes the permanent thrust of inserted link 53-1; move backward and make inserted link 53-1 overcome moving magnetic force unshakable in one's determination; thereby make a steel ball 53-3 withdrawal part to the steel ball hole 53-8 of gear shaft 53-5; and skid with the second gear 52-2; then motor 51 drives the first gear 52-1 and second gear 52-2 idle running; thereby effectively protected the motor 51 can be because of overload does not burn out, permanent thrust clutch have played the effect of mechanical force overload protection.
Also be provided with detachable handle on six side's operating axis 20, when earthed switch is implemented manual operation, only need stop power supply to motor 51 and electromagnet apparatus 54, then electromagnet apparatus 54 is cancelled it to moving forward thrust unshakable in one's determination, inserted link 53-1 moves to back-end location backward owing to compress the elastic force effect of spring 53-2, therefore during manual operation six side's operating axis 20, six side's operating axis 20 drive the 4th gear 52-4, the 3rd gear 52-3 and the second gear 52-2 rotate, the second gear 52-2 oppresses in rotation in the steel ball hole 53-8 that each steel ball 53-3 is retracted to gear shaft 53-5, thereby make permanent thrust clutch be in from state, the second gear 52-2 and gear shaft 53-5 recover the relation of being rotationally connected, the then second gear 52-2, the first gear 52-1 and motor 51 can not rotate with the rotation of six side's operating axis 20.Along with turning handle, six side's operating axis 20 can be changed between the position that position second circuit of the position first circuit on-position of controlling the earthed switch combined floodgate and control earthed switch separating brake is connected.
Claims (6)
1. an earthed switch motor-operating mechanism comprises pedestal (1), operating axis assembly (2) and electric operating assembly (5); Electric operating assembly (5) comprises motor (51) and transmission mechanism; The motor (51) of operating axis assembly (2), electric operating assembly (5) and transmission mechanism all are arranged on the pedestal (1); It is characterized in that: also comprise and push control board (3), micro limit switch (4) and elasticity limit assembly (6);
Operating axis assembly (2) comprises six side's operating axis (20) and shifting parts; Shifting part is enclosed within on six side's operating axis (20), and both are upwards spacing mutually in week; Micro limit switch (4) comprises shell (41) and roller type elasticity pressing key (42), 2 signal output parts that are electrically connected with control circuit when also being provided with 2 power ends and use; Micro limit switch (4) is fixed on the pedestal (1) by its shell (41); Six side's operating axis (20) of pushing control board (3) and operating axis assembly (2) are rotationally connected, and are dynamically connected with the shifting part of operating axis assembly (2), and rolling with the roller type elasticity pressing key (42) of micro limit switch (4) contacts; Elasticity limit assembly (6) is fixedlyed connected with pedestal (1), and with push control board (3) elastic damping and be dynamically connected; The transmission mechanism of electric operating assembly (5) comprises preceding gear stage, back gear stage and permanent thrust clutch, and permanent thrust clutch is arranged between preceding gear stage and the back gear stage; Back gear stage comprises the power output, and this power output is fixedlyed connected with six side's operating axis (20).
2. a kind of earthed switch motor-operating mechanism according to claim 1, it is characterized in that: pedestal (1) comprises front shoe (11), rear fixed plate (12), the 3rd copper sheathing (15), the 4th copper sheathing (16), 4 connecting bolts (19-1), 4 attaching nuts (19-2) and 4 support sets (19-3); Front shoe (11) and rear fixed plate (12) are arranged in parallel; Each connecting bolt (19-1) passes a corresponding fixing hole (11-1) back on a corresponding fixing hole (11-1), a corresponding support set (19-3) and the rear fixed plate (12) of front shoe (11) successively, screws afterbody at connecting bolt (19-1) by a corresponding attaching nut (19-2) again, thereby constitute the main body of pedestal (1), wherein each support set (19-3) is supported between front shoe (11) and the rear fixed plate (12); The 3rd copper sheathing (15) is in the middle part installing hole (11-3) of front shoe (11), and mutual interference fit; The 4th copper sheathing (16) is in the middle part installing hole (11-3) of rear fixed plate (12), and mutual interference fit;
The transmission mechanism of electric operating assembly (5) is the gear drive of mechanical force overload protection, and permanent thrust clutch wherein comprises electromagnet apparatus (54), inserted link (53-1), compression spring (53-2), 3 steel balls (53-3), backstay (53-4), gear shaft (53-5) and second gear (52-2);
The basic configuration of inserted link (53-1) is a bullet shape, comprises cylinder and the Rotary-table that is connected the cylinder front end; The middle part of inserted link (53-1) and anterior being provided with the axis are the medium pore (53-6) of center line;
Gear shaft (53-5) is a hollow shaft; Gear shaft (53-5) comprise opening backward the cannelure (53-9) that centre bore (53-7), 3 steel ball holes that are disposed radially and are centrosymmetric (53-8) that communicate with centre bore (53-7) is set vertically, is provided with around the axis body periphery and be opened in keyway (53-10) on the axis body outer surface; The folded angle of axis of adjacent steel ball hole (53-8) is 120 degree; The diameter of the centre bore (53-7) of gear shaft (53-5) matches with the cylindrical diameter of inserted link (53-1), thereby is slidingly connected before and after both;
Compression spring (53-2) is stretched in the medium pore (53-6) of inserted link (53-1) by its rear end, backstay (53-4) is stretched in the compression spring (53-2) by its rear end, according to forward by backstay (53-4), with backstay (53-4) compression spring (53-2) and inserted link (53-1) by after stretch into forward in the centre bore (53-7) of gear shaft (53-5), thereby make being slidingly connected between inserted link (53-1) and the gear shaft (53-5) be connected for Elastic Sliding;
Each steel ball (53-3) is arranged in the corresponding steel ball hole (53-8) of gear shaft (53-5), and contacts with the Rotary-table of inserted link (53-1);
The front end of gear shaft (53-5) stretches in the 3rd copper sheathing (15), and the rear end of gear shaft (53-5) is stretched in the 4th copper sheathing (16), and gear shaft (53-5) articulates simultaneously with the 3rd copper sheathing (15) and the 4th copper sheathing (16);
Electromagnet apparatus (54) comprises shell (54-1), moving iron core, fixed core and coil, and electromagnet apparatus (54) is fixed on the rear fixed plate (12) of pedestal (1) by its shell (54-1) from the rear; The front end of the moving iron core of electromagnet apparatus (54) is relative with the rear end face of inserted link (53-1);
Have 3 axial semicircle grooves (53-11) on the wall of the medium pore of second gear (52-2); These 3 grooves (53-11) are 120 degree and distribute; Second gear (52-2) is rotatably connected on the gear shaft (53-5), and second gear (52-2) is enclosed within on the shaft part that is provided with steel ball hole (53-8) of gear shaft (53-5) by its central hole wall;
When the moving iron core of electromagnet apparatus (54) promotes inserted link (53-1) forward and the elastic force that overcomes compression spring (53-2) makes inserted link (53-1) when being in front position, each steel ball (53-3) is embedded in the rotation of second gear (52-2) in the corresponding semicircle groove (53-11) of second gear (52-2) by half spheroid that it is in the outside, thereby makes permanent thrust clutch be in engagement; When electromagnet apparatus (54) is cancelled its moving forward thrust unshakable in one's determination, under the elastic force effect of compression spring (53-2), make inserted link (53-1) when moving to back-end location backward, second gear (52-2) is compressing each steel ball (53-3) in rotation then, and make in its withdrawal gear shaft (53-5), thereby make permanent thrust clutch be in from state.
3. a kind of earthed switch motor-operating mechanism according to claim 2 is characterized in that: described pedestal (1) also comprises the 5th copper sheathing (17) and the 6th copper sheathing (18); The 5th copper sheathing (17) is located in the bottom installing hole (11-4) of front shoe (11), and mutual interference fit; The 6th copper sheathing (18) is in the bottom installing hole (11-4) of rear fixed plate (12), and mutual interference fit;
Described operating axis assembly (2) also comprises first copper sheathing (21) and second copper sheathing (22); All the profile with cylinder is identical for the profile of first copper sheathing (21) and second copper sheathing (22), and its endoporus separately is the hexagon hole;
First copper sheathing (21) is in the top installing hole (11-2) of front shoe (11) and with front shoe (11) and is rotationally connected; Second copper sheathing (22) is in the top installing hole (11-2) of rear fixed plate (12) and with rear fixed plate (12) and is rotationally connected; Six side's operating axis (20) pass the hexagon hole of first copper sheathing (21) and second copper sheathing (22), and six side's operating axis (20) are upwards spacing mutually in week with first copper sheathing (21) and second copper sheathing (22), thereby six side's operating axis (20) are rotationally connected with pedestal (1) by first copper sheathing (21) and second copper sheathing (22);
The preceding gear stage of described electric operating assembly (5) comprises first flat key (55-1), first gear (52-1) and first separation sleeve (56-1), also comprises second gear (52-2) that belongs to permanent thrust clutch simultaneously; The back gear stage of electric operating assembly (5) comprises shaft block ring (57), second flat key (55-2), the 3rd gear (52-3), the 4th gear (52-4) and second separation sleeve (56-2), also comprise the gear shaft (53-5) that belongs to permanent thrust clutch simultaneously, wherein the 4th gear (52-4) is the power output of back gear stage;
The power output shaft (51-1) of motor (51) is provided with keyway, and this power output shaft (51-1) passes the 5th copper sheathing (17) and the 6th copper sheathing (18), and is rotationally connected with the 5th copper sheathing (17) and the 6th copper sheathing (18);
Have keyway on the medium pore of first gear (52-1) of preceding gear stage; First gear (52-1) is enclosed within the front portion of the power output shaft (51-1) of motor (51), first flat key (55-1) is arranged between the keyway of the keyway of power output shaft (51-1) and first gear (52-1), make the gear of winning (52) upwards limited in week, first separation sleeve (56-1) is enclosed within the rear portion of the power output shaft of motor (51), makes the gear of winning (52) limited in the axial direction; Second gear (52-2) is meshed with first gear (52-1);
The shaft block ring of back gear stage (57) is enclosed within on the cannelure (53-9) of gear shaft (53-5), thereby carries out spacing to second gear (52-2) in the axial direction;
Have keyway on the wall of the medium pore of the 3rd gear (52-3); The 3rd gear (52-3) is enclosed within the rear portion of gear shaft (53-5), is arranged on by second flat key (55-2) between the keyway of the keyway of gear shaft (53-5) and the 3rd gear (52-3), thus upwards spacing mutually in week;
The medium pore of the 4th gear (52-4) is the hexagon hole; Second separation sleeve (56-2) and the 4th gear (52-4) are enclosed within on six side's operating axis (20) from front to back successively, and be between front shoe (11) and the rear fixed plate (12), the 4th gear (52-4) is upwards spacing mutually with six side's operating axis (20) in week, and the 4th gear (52-4) is spacing by second separation sleeve (56-2) in the axial direction; The 4th gear (52-4) and the 3rd gear (52-3) engagement.
4. a kind of earthed switch motor-operating mechanism according to claim 2 is characterized in that: described elasticity limit assembly (6) comprises 2 caging bolts (61), 2 locking nuts (62), 2 compressions spring (63), 2 plain cushions (64) and 2 cushion covers (65); Push first deep-slotted chip breaker (31) that each side has 1 vertical setting of control board (3), the centre has a circular mounting hole (32), the top in circular mounting hole (32) has second deep-slotted chip breaker (33) of a horizontally set, and the lower end of pushing control board (3) is provided with a protuberance (34);
The shifting part of operating axis assembly (2) comprises rotor plate (23) and stirs pin (24); The middle part of rotor plate (23) has the six side's installing holes (23-1) that match with six side's operating axis (20), and what the right part of rotor plate (23) had a circle stirs pin installing hole (23-2); Stir the rear end of pin (24) and stretch into stirring in the pin installing hole (23-2) of rotor plate (23), and be weldingly fixed on the rotor plate (23);
Rotor plate (23) is enclosed within on six side's operating axis (20) by its six sides installing hole (23-1), and is positioned at the place ahead of front shoe (11), and both are upwards spacing mutually in week; Push control board (3) and be enclosed within on six side's operating axis (20), be positioned at the place ahead of rotor plate (23), and pass second deep-slotted chip breaker (33) of rotor plate (23) by the front end of stirring pin (24) forward by its circular mounting hole (32); Each caging bolt (61) of elasticity limit assembly (6) pass successively the compression spring (63), a corresponding plain cushion (64), push corresponding one first deep-slotted chip breaker (31) and a corresponding cushion cover (65) of control board (3) after, screw upper locking nut (62), screw on a corresponding elastic spacing one screw (11-8) of front shoe (11) by its bolt tail again, thereby make caging bolt (61) elasticity push down and push control board (3), make that also pushing control board (3) is dynamically connected with elasticity limit assembly (6) elastic damping; Pushing control board (3) is contacted with the roller type elasticity pressing key rolling of the micro limit switch (4) of below by its protuberance (34).
5. a kind of earthed switch motor-operating mechanism according to claim 4 is characterized in that: also comprise pressing plate (71); Micro limit switch (4) also comprises connector, first circuit and second circuit; Roller type elasticity pressing key (42) makes connector connect first circuit when being in depressing position; Roller type elasticity pressing key (42) is in when lifting the position, makes connector connect second circuit.
6. a kind of earthed switch motor-operating mechanism according to claim 2 is characterized in that: also comprise supporting bracket (13) and cover plate (14); The upper and lower of front shoe (11) and rear fixed plate (12) respectively has 1 horizontal supporting bracket installing hole (11-6); The middle part respectively has 1 vertical supporting bracket installing hole (11-6), and is positioned at left;
Supporting bracket (13) has 3, and the both sides of the front end of every supporting bracket (13) are equipped with the breach of a rectangle, and the both sides of the rear end of every supporting bracket (13) are equipped with the breach of a rectangle, thereby has formed the connection-peg at the two ends of supporting bracket (13); The position, middle of every supporting bracket (13) is provided with a screwed hole (13-1);
Cover plate (14) comprises upper plate, lower plate and left plate, and upper plate is identical with lower plate horizontally set and shape, and left plate vertically is provided with, and the left end of upper plate and lower plate horizontal welding respectively is connected on the both sides up and down of left plate; Be equipped with a fixing hole (14-1) on upper plate, left plate and the lower plate;
2 supporting brackets (13) are plugged on front shoe (11) and rear fixed plate (12) up and down in the supporting bracket installing hole (11-6) of both sides by separately 2 connection-pegs respectively, and another piece supporting bracket (13) is plugged on by its 2 connection-pegs on the vertical supporting bracket installing hole (11-6) at middle part of front shoe (11) and rear fixed plate (12);
Screw on the screwed hole (13-1) of a corresponding supporting bracket (13) pass the corresponding fixing hole (14-1) of cover plate (14) respectively by 3 bolts after, thereby cover plate (14) is fixed on 3 supporting brackets, and is positioned between front shoe (11) and the rear fixed plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203063365U CN201478144U (en) | 2009-07-17 | 2009-07-17 | Earthing switch electrical operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203063365U CN201478144U (en) | 2009-07-17 | 2009-07-17 | Earthing switch electrical operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478144U true CN201478144U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203063365U Expired - Fee Related CN201478144U (en) | 2009-07-17 | 2009-07-17 | Earthing switch electrical operating mechanism |
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| Country | Link |
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| CN (1) | CN201478144U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637704A (en) * | 2013-11-13 | 2015-05-20 | 江山市电器技术开发有限公司 | Motor shutdown control mechanism for earthing switches |
| CN105840744A (en) * | 2015-01-12 | 2016-08-10 | 广东德昌电机有限公司 | Gear actuator |
| CN106409547A (en) * | 2015-07-31 | 2017-02-15 | 伊顿电力设备有限公司 | Ground switch operating device |
| CN108956270A (en) * | 2018-07-25 | 2018-12-07 | 黄传道 | It is a kind of to stretch detection device using the anti-rubber strip for pushing away reduction effect of inertia |
| CN109244687A (en) * | 2018-09-21 | 2019-01-18 | 国网山东省电力公司龙口市供电公司 | A kind of carbon fiber earthing or grounding means |
| CN110211822A (en) * | 2019-04-25 | 2019-09-06 | 河南平高电气股份有限公司 | Electric switch operating mechanism and electric switch |
| CN110571087A (en) * | 2019-08-21 | 2019-12-13 | 兴机电器有限公司 | Electric operating device and grounding switch operating cabinet |
| CN112927980A (en) * | 2021-01-28 | 2021-06-08 | 江苏洛凯电气有限公司 | Breaker switch |
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2009
- 2009-07-17 CN CN2009203063365U patent/CN201478144U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637704A (en) * | 2013-11-13 | 2015-05-20 | 江山市电器技术开发有限公司 | Motor shutdown control mechanism for earthing switches |
| CN105840744A (en) * | 2015-01-12 | 2016-08-10 | 广东德昌电机有限公司 | Gear actuator |
| CN105840744B (en) * | 2015-01-12 | 2019-12-31 | 广东德昌电机有限公司 | Gear transmission device |
| CN106409547A (en) * | 2015-07-31 | 2017-02-15 | 伊顿电力设备有限公司 | Ground switch operating device |
| CN106409547B (en) * | 2015-07-31 | 2018-12-21 | 伊顿电力设备有限公司 | Grounding switch operating device |
| CN108956270A (en) * | 2018-07-25 | 2018-12-07 | 黄传道 | It is a kind of to stretch detection device using the anti-rubber strip for pushing away reduction effect of inertia |
| CN109244687A (en) * | 2018-09-21 | 2019-01-18 | 国网山东省电力公司龙口市供电公司 | A kind of carbon fiber earthing or grounding means |
| CN110211822A (en) * | 2019-04-25 | 2019-09-06 | 河南平高电气股份有限公司 | Electric switch operating mechanism and electric switch |
| CN110571087A (en) * | 2019-08-21 | 2019-12-13 | 兴机电器有限公司 | Electric operating device and grounding switch operating cabinet |
| CN112927980A (en) * | 2021-01-28 | 2021-06-08 | 江苏洛凯电气有限公司 | Breaker switch |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120717 |