CN202373474U - Electric isolating operating mechanism and switch cabinet - Google Patents
Electric isolating operating mechanism and switch cabinet Download PDFInfo
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- CN202373474U CN202373474U CN2011205492894U CN201120549289U CN202373474U CN 202373474 U CN202373474 U CN 202373474U CN 2011205492894 U CN2011205492894 U CN 2011205492894U CN 201120549289 U CN201120549289 U CN 201120549289U CN 202373474 U CN202373474 U CN 202373474U
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Abstract
The utility model provides an electric isolating operating mechanism composed of a support, a motor fixed on the support, a transmission shaft rotatablely fixed on the support, a trigger mechanism and a shift lever. A rocker arm is arranged at one end the transmission shaft, the motor drives the transmission shaft, an opening travel switch and a closing travel switch through an electromagnetic clutch, the opening travel switch and the closing travel switch are arranged oppositely on the rack, the trigger mechanism comprises an oscillating bar and a stabilizing spring, one end of the oscillating bar is hinged on the support, the other end of the oscillating bar is a contact which triggers the opening travel switch and the closing travel switch respectively at two extreme positions, one end of the stabilizing spring is fixed on the support, the other end of the stabilizing spring is arranged on the oscillating bar, the shift lever is fixed on the transmission shaft and is used for shifting the contact along with running of the transmission shaft, and a manual operation portion is arranged at the other end of the transmission shaft. According to the structure of the electric isolating operating mechanism, a mechanical structure and the electromagnetic clutch are combined, therefore high response speed and accurate control of closing and opening positions of a high-voltage disconnector are achieved. The electric isolating operating mechanism is provided with the manual operation portion, and free shift between electric and manual operation is facilitated.
Description
Technical field
The utility model relates to electric power system equipment for power transmission and distribution technical field, especially a kind of switch cubicle that is used for the electronic isolated operation mechanism of operate high pressure isolating switch and is equipped with this electronic isolated operation mechanism.
Background technology
When high-tension switch cabinet overhauls; In order to ensure maintainer's personal safety; Answer the operate high pressure isolating switch to be in gate-dividing state; So the functional reliability of high voltage isolator in switch cubicle can not be ignored, hope then to reach that response speed is fast, accurately control is closed, the branch position, conveniently realized electronic and manually operated requirement such as freely switches as the operating mechanism of control high voltage isolator, thus the fail safe of assurance high voltage isolator reliable, lifting high-tension switch cabinet.
Summary of the invention
The purpose of the utility model provides fast, the convenient electronic isolated operation mechanism that is used for the operate high pressure isolating switch that realizes electronic and the free switching of manual operation of a kind of response speed;
Another purpose of the utility model provides the switch cubicle with higher-security.
To achieve these goals, the electronic isolated operation mechanism that the utility model provides comprises support, is fixed on the motor on the support; Rotatably be fixed on the power transmission shaft on the said support, an end of power transmission shaft is provided with rocking arm, and motor drives power transmission shaft through electromagnetic clutch; Separating brake travel switch and combined floodgate travel switch, separating brake travel switch and combined floodgate travel switch relatively are arranged on the support, trigger mechanism; Trigger mechanism comprises a fork and a stabilizing spring, and fork one end is hinged on the support, and the other end is for triggering the contact of separating brake travel switch and combined floodgate travel switch respectively at two limit positions; Stabilizing spring one end is fixed on the support, and the other end places on the fork, driving lever; Driving lever is fixed on the power transmission shaft, stirs contact when being used for rotating with power transmission shaft, and the other end of power transmission shaft is provided with manual operation unit.Can know by above structure; Electronic isolated operation mechanism combines through mechanical structure and electromagnetic clutch; Realize that response speed soon, is accurately controlled the closing of high voltage isolator, branch position, electronic isolated operation mechanism also has manual operation unit, also convenient the realization electronicly freely switched with manual operation.
Particularly; Electromagnetic clutch comprises that the magnetic that coil is housed is gripped, baffle plate, armature, magnetic are gripped ring gear, armature ring gear, connection, spring leaf and gear wheel; Magnetic is gripped ring gear has the identical end face tooth of parameter with the armature ring gear, and magnetic is gripped by deep groove ball bearing and supported, and armature and armature ring gear are fastenedly connected; Baffle plate and magnetic are gripped ring gear and are fastenedly connected, and the involute external tooth of connection can be along the involute internal tooth of armature ring gear in axial free slippage; Connecting with gear wheel adopts screw fastening; Key is connected between the axis hole of baffle plate and the power transmission shaft.Electromagnetic clutch is installed on the power transmission shaft through key, and is simple in structure.
Particularly, driving lever is the bar of two L types, and the radial symmetric setting of power transmission shaft relatively.Be convenient to driving lever control trigger mechanism.
The switch cubicle that the utility model provides comprises: high voltage isolator, and high voltage isolator has isolation knife; Electronic isolated operation mechanism, electronic isolated operation mechanism comprises support, is fixed on the motor on the support; Rotatably be fixed on the power transmission shaft on the support, an end of power transmission shaft is provided with rocking arm, and motor drives power transmission shaft through electromagnetic clutch; Separating brake travel switch and combined floodgate travel switch, separating brake travel switch and combined floodgate travel switch relatively are arranged on the support, trigger mechanism; Trigger mechanism comprises a fork and a stabilizing spring, and fork one end is hinged on the support, and the other end is for triggering the contact of separating brake travel switch and combined floodgate travel switch respectively at two limit positions; Stabilizing spring one end is fixed on the support, and the other end places on the fork, driving lever; Driving lever is fixed on the power transmission shaft, stirs contact when being used for rotating with said power transmission shaft, and the other end of power transmission shaft is provided with manual operation unit; Adaptor, adaptor are used for the circular motion of rocking arm is converted into the rectilinear motion of isolation knife.Can know by above structure; Electronic isolated operation mechanism combines through mechanical structure and electromagnetic clutch; Realize that response speed soon, is accurately controlled the closing of high voltage isolator, branch position, electronic isolated operation mechanism also has manual operation unit, also convenient the realization electronicly freely switched with manual operation.
Particularly; Electromagnetic clutch comprises that the magnetic that coil is housed is gripped, baffle plate, armature, magnetic are gripped ring gear, armature ring gear, connection, spring leaf and gear wheel; Magnetic is gripped ring gear has the identical end face tooth of parameter with the armature ring gear, and magnetic is gripped by deep groove ball bearing and supported, and armature and armature ring gear are fastenedly connected; Baffle plate and magnetic are gripped ring gear and are fastenedly connected, and the involute external tooth of connection can be along the involute internal tooth of armature ring gear in axial free slippage; Connecting with gear wheel adopts screw fastening; Key is connected between the axis hole of baffle plate and the power transmission shaft.Electromagnetic clutch is installed on the power transmission shaft through key, and is simple in structure.
Particularly, driving lever is the bar of two L types, and the radial symmetric setting of power transmission shaft relatively.Be convenient to separating brake driving lever control trigger mechanism.
Particularly, adaptor is the plate of a L type, and an end of plate is fastenedly connected an end of isolation knife; The other end of plate has the elongated bullport, rotates with power transmission shaft, and said rocking arm slides along said elongated bullport in rotation, drives the upper and lower motion of adaptor, thus the closing of control isolation knife, separating brake.
Description of drawings
Fig. 1 is the stereogram of the utility model switch cubicle;
Fig. 2 is the front view of the utility model switch cubicle internal structure, has removed outside framework;
Fig. 3 is the cutaway view of the utility model switch cubicle outlet ring main unit;
Fig. 4 is the A partial enlarged drawing of Fig. 3;
Fig. 5 is the cutaway view of the band of the utility model switch cubicle pole of isolating;
Fig. 6 is that the vacuum load switch realization of the utility model switch cubicle is closed, the motor-operating mechanism view of separating brake;
Fig. 7 is the stereogram of the utility model switch cubicle dynamic seal;
Fig. 8 is the cutaway view of the utility model switch cubicle dynamic seal;
Fig. 9 is the C partial enlarged drawing of Fig. 8;
Figure 10 is the B partial enlarged drawing of Fig. 6;
The three-dimensional cutaway view of the pole that the band of Figure 11 the utility model switch cubicle is isolated, high voltage isolator is in the position of combined floodgate;
The three-dimensional cutaway view of the pole that the band of Figure 12 the utility model switch cubicle is isolated, high voltage isolator is in the position of separating brake;
Figure 13 is the front view of the utility model switch cubicle internal structure, has removed casing and fuse unit;
The end view of Figure 14 the utility model switch cubicle inlet wire ring main unit, A, B, three bus connectors of C spatially carry out 45 degree and arrange;
Figure 15 is the D broken section enlarged drawing of Figure 13;
Figure 16 is the electronic interrupter view of the utility model switch cubicle, and electronic interrupter is in the separating brake position;
Figure 17 is the electronic interrupter end view of the utility model switch cubicle, and electronic interrupter is in the separating brake position;
Figure 18 is the electromagnetic clutch cutaway view of the utility model switch cubicle;
Figure 19 is the electronic interrupter stereogram of the utility model switch cubicle, and electronic interrupter is in closing position;
Figure 20 is the end view of the electronic interrupter of the utility model switch cubicle, and electronic interrupter is in closing position;
Figure 21 is the stereogram of the electronic interrupter control isolation knife of the utility model switch cubicle, and isolation knife is in the position of separating brake;
Figure 22 is the stereogram of the electronic interrupter control isolation knife of the utility model switch cubicle, and isolation knife is in the position of combined floodgate.
Below in conjunction with accompanying drawing, the utility model is further described through embodiment.
Embodiment
Referring to Fig. 1 and Fig. 2, Fig. 2 is the front view of the utility model switch cubicle internal structure, has removed outside framework 11.Switch cubicle 1 comprises 2 road inlet wire ring main units 12 and 1 tunnel outlet ring main unit 13, is equipped with fuse unit 2 in the outlet ring main unit 13, and inlet wire ring main unit 12 is equipped with cable connector 41 (referring to Figure 14) summation current transformer 42 (referring to Figure 14).The A, B, the C three phase bus system that connect inlet wire ring main unit 12 and outlet ring main unit 13 in addition.
Referring to Fig. 3, switch cubicle 1 comprises the pole 3 that fuse unit 2 and band are isolated.Fuse unit 2 comprises having uncovered housing 23 and cover this uncovered lid 28, adopts rubber sleeve 27 sealings between this uncovered and lid 28.Be provided with fuse 21 in the housing 23, a electric conductor 24, b electric conductor 25, conducting strip 26, transducer 231 and ground connection vacuum interrupter 22.Ground connection vacuum interrupter 22 is provided with earth terminal 221, and fuse unit 2 is provided with leading-out terminal 251.Ground connection vacuum interrupter 22 is meant that the ground connection cutter is placed in the vacuum environment, closes ground connection, timesharing all is in vacuum state, and its insulation property are not affected by the external environment, and grounding safety is reliable.Transducer 231 is processed by semi-conducting material, and whether charged, signal is passed to the charged display unit of switch cubicle 1 if being used to respond to fuse unit 2.
Referring to Fig. 5, the pole 3 that band is isolated comprises body 31.Be provided with c electric conductor 36 in the body 31, insulated tension pole 35, vacuum load switch 32, high voltage isolator 33 is with 34 with being flexible coupling.High voltage isolator 33 comprises isolation knife 331, connection contact 332 and fixed contact 333, and the top insulation of isolation knife 331, the bottom conduction, isolation knife 331 upper and lower motions are controlled as pull bar in top.Isolation knife 331 moves through upper and lower between connection contact 332 and fixed contact 333 and accomplishes the closing of high voltage isolator 33, separating brake.Vacuum load switch 32 comprises upper contact head 321 and following contact 322.Insulated tension pole 35 control upper contact heads 321 are realized the closing of vacuum load switchs 32, separating brake, and upper contact head 321 is with 34 to be connected with connection contact 332 through being flexible coupling, and then being electrically connected of realization and high voltage isolator 33.
The pole 3 that band is isolated is provided with leading-out terminal 311 below vacuum load switch 32, be used for being connected with the link 29 of fuse unit 2, and referring to Fig. 4, Fig. 4 is the A partial enlarged drawing of Fig. 3, has shown the annexation of leading-out terminal 311 with link 29.Leading-out terminal 311 adopts rubber sleeve 4 with the junction of link 29, and double threaded screw 52 seals, is connected with insulation plug 5.Leading-out terminal 311 is the upper and lower opening tubular structure.The upper/lower terminal inboard of leading-out terminal 311 is provided with rubber sleeve 4, and when link 29 was connected with leading-out terminal 311, link 29 inserted the under shed of leading-out terminal 311; Push the rubber sleeve 4 of this end; Double threaded screw 52 1 ends insert from the upper shed of leading-out terminal 311, pass the installing hole of c electric conductor 36, are connected with the internal thread of a electric conductor 24; Insulation plug 5 inside are installed with inserts nut 51; Insulation plug 5 inserts from the upper shed of leading-out terminal 311, and extruding is positioned at the rubber sleeve 4 of this end, and nut 51 is fastenedly connected with the other end of double threaded screw 52.Thereby realization leading-out terminal 311 is electrically connected with link 29, has also guaranteed junction and extraneous electric insulation.The pole 3 that band is isolated is provided with end of incoming cables 313 at the lower position of high voltage isolator 33, supplies to connect A phase bus or B phase bus or C phase bus (referring to Fig. 1) and uses.
Referring to Fig. 6, the pole 3 that band is isolated adopts screw to be installed on the framework 65, and dynamic seal 6 is installed between insulated tension pole 35 and the framework 65, the pole 3 that the realization band is isolated and the sealing of insulated tension pole 35 junctions.
Referring to Fig. 7,8 and 9, dynamic seal 6 is that the lower end is uncovered, upper end closed and silicon rubber spare with whole consistent wall thickness of connecting through hole 612, and its wall thickness is 2mm.Dynamic seal 6 comprises the corrugated part 63 of connecting portion 61, following connecting portion 62 and tubular.Connecting through hole 612 is arranged on the connecting portion 61, has been uniformly distributed with a plurality of installation through holes 611 on the upper and lower connecting portion 61,62; 621, the inner surface of upper and lower connecting portion 61,62 is provided with two concentric ring packing fins 613; 622; Installation through holes 611 is between the sealing fin 613 of two annulars, and installation through holes 621 is between the sealing fin 622 of two annulars, and sealing fin 613 and 622 has improved the sealing effectiveness of dynamic seal 6.The span of the outer ripple minimum profile curvature radius R of corrugated part 63 is: 2mm ≦ R ≦ 4mm.The dynamic seal 6 of the utility model adopts flexible good silicon rubber manufacturing, and because the design of the corrugated part 63 of tubular, therefore can improve the sport life span of dynamic seal 6, reduce production costs, and volume is littler.
Referring to Figure 10; Insulated tension pole 35 comprises forced section 352 and support portion 353; Dynamic seal 6 is enclosed within the periphery of insulated tension pole 35; Forced section 352 passes connecting through hole 612, and last connecting portion 61 passes installation through holes 611 through screw and is installed on the support portion 353, and following connecting portion 62 passes installation through holes 621 through screw and is installed on the framework 65.
Referring to Fig. 6; Fig. 6 is that vacuum load switch 32 realizations of the utility model solid insulation switch cabinet are closed, the motor-operating mechanism view of separating brake, and its course of work is following: motor 648 or worm screw 647 drive pinions 646 rotations, and pinion 646 drives gear wheels 645 and rotates to be cam 644 energy storage; Cam 644 drives output toggle arm 643 and rotates; Output toggle arm 643 drives main shaft connecting lever 641 through connecting rod 642 and rotates, and main shaft connecting lever 641 drives forced section 352 and does upper and lower motion, thereby makes insulated tension pole 35 upper and lower motions; Thereby realize that vacuum load switch closes, the separating brake process, dynamic seal 6 plays the movable sealing effect for insulated tension pole 35 in above motion process.
Referring to Figure 13, switch cubicle 1 comprises A, B, C three phase bus system.Referring to Figure 14, the inlet wire ring main unit 12 of switch cubicle 1 is equipped with cable connector 41 summation current transformers 42, and inlet wire ring main unit 12 does not have fuse unit 2.
The structure of every phase bus of A, B, C three phase bus system is the same, and existing is example with C phase bus, and referring to Figure 15, Figure 15 is the partial sectional view of C phase bus, has shown the internal structure of C phase bus.C phase bus comprises 7,3 bus connectors 75 of 2 buses, screw mandrel 71, rubber sleeve 74 and insulation plug 76.Bus 7 comprises tubulose bus-bars conductor 72 and valve jacket 73.Valve jacket 73 is the insulators that formed by the cast of used for epoxy resin APG (Automatic Pressure Gelation Process) forming technique, and tubulose bus-bars conductor 72 is cast in the valve jacket 73.Bus connector 75 comprises d electric conductor 751 and the shell 752 with column through hole connecting portion; The insulator that shell 752 is formed by the cast of used for epoxy resin APG (Automatic Pressure Gelation Process) forming technique, d electric conductor 751 is cast in the shell 752.One end of d electric conductor 751 has a connecting hole 7511 (referring to Figure 11), is used for being connected with screw mandrel 71.Screw mandrel 71 connects the column through hole connecting portion of the bus connector 75 of 2 buses 7 in the middle of being arranged in; Seal with extruding rubber sleeve 74 in the junction; In the column through hole connecting portion of the bus connector 75 of both sides except sealing with extruding rubber sleeve 74, the end through insulation plug 76 shutoff buses 7 also.The inside of insulation plug 76 is installed with inserts nut 77, and it is fastening with inserts nut 77 that screw mandrel 71 passes connecting hole 7511 (referring to Figure 11), thereby makes bus 7 lockings.Bus connector 75 is threaded with the end of incoming cables 313 (referring to Figure 12) of the pole 3 that band is isolated, and the d electric conductor 751 of bus connector 75 is electrically connected with high voltage isolator 33, thereby realizes C phase bus and be with being electrically connected of pole 3 of isolation.
Three bus connectors 75 of C phase bus are positioned on the same plane basically and laterally arrange, and they all have central axis c (referring to Figure 11 and Figure 14), correspondingly A mutually with B mutually three bus connectors of bus also be positioned on the same plane basically and laterally arrange; They also have central axis a and b (referring to Figure 14) respectively; From looking up perpendicular to bus 7 axial sides, bus is adjacent mutually with B for A phase bus, and bus is adjacent mutually with C for B phase bus; Bus is non-conterminous mutually with C for A phase bus; Central axis a and b in angle of 45 degrees, central axis b and c in angle of 45 degrees, that is: the connector of A, B, C three-phase bus carries out 45 degree with bus and arranges; Rationally distributed, practiced thrift the space.
When the solid insulation switch cabinet that is used for when A, B, C three phase bus system included only 1 road inlet wire ring main unit and 1 tunnel outlet ring main unit, every phase bus needed two bus connectors 75 and a bus 7.When the solid insulation switch cabinet that is used for when A, B, C three phase bus system comprised inlet wire ring main unit and 1 tunnel outlet ring main unit more than 2 tunnel, bus 7 quantity of every phase bus were more than 2, and the quantity of bus connector 75 is Duoed 1 than the quantity of bus 7.
Referring to Figure 16 and Figure 17, Figure 16 and 17 is views of the electronic isolated operation mechanism of the utility model switch cubicle, and electronic isolated operation mechanism 9 is used for branch, the combined floodgate of operate high pressure isolating switch 33.Electronic isolated operation mechanism 9 comprises support 99, is fixed on the motor 94 on the support 99, power transmission shaft 96, electromagnetic clutch 8, separating brake travel switch 92, combined floodgate travel switch 93, trigger mechanism 91 and pinion 95 (seeing Figure 21).Power transmission shaft 96 rotatably is fixed on the support 99, and an end of power transmission shaft 96 is provided with rocking arm 961, and the other end of power transmission shaft is provided with manual operation unit 963.Motor 94 drives power transmission shaft 99 through electromagnetic clutch 8.Separating brake travel switch 92 relatively is arranged on the support 99 with combined floodgate travel switch 93.Trigger mechanism 91 comprises a fork and a stabilizing spring; Fork one end is hinged on the support 99; The other end is for triggering the contact of separating brake travel switch 92 and combined floodgate travel switch 93 respectively at two limit positions, stabilizing spring one end is fixed on the support 99, and the other end places on the fork.Driving lever 962 is fixed on the power transmission shaft 96, stirs contact when being used for power transmission shaft 96 rotations.Driving lever 962 comprises two bars that are roughly the L type, and the radial symmetric setting of power transmission shaft 96 relatively.
Referring to Figure 18, Figure 18 is the electromagnetic clutch view of the utility model solid insulation switch cabinet.Electromagnetic clutch 8 comprises that the magnetic that coil 852 is housed grips 85, baffle plate 84, armature 83, magnetic are gripped ring gear 841, armature ring gear 831, connect 82, spring leaf 821 and gear wheel 81.Magnetic is gripped ring gear 841 has the identical end face tooth of parameter with armature ring gear 831.Magnetic grips 85 by deep groove ball bearing 851 supports.Armature 83 adopts pin 832 to be fastenedly connected with armature ring gear 831.Baffle plate 84 is gripped ring gear 841 with magnetic and is adopted pin 842 to be fastenedly connected.Connect 82 the involute external tooth involute internal tooth slippage in the axial direction of armature ring gear 831 relatively, connection 82 adopts screws fastening with adjacent gear wheel 81.The axis hole of baffle plate 84 and power transmission shaft 96 usefulness keys 843 link.
The operating process of electromagnetic clutch 8 is following: when coil 852 energisings; Produce electromagnetic force 831 suctions of armature ring gear are gripped ring gear 841 to magnetic; Both end face teeth are meshed, and moment just is delivered to from gear wheel 81 and connects 82, is delivered to magnetic by connection 82 drive armature ring gears 831 and grips ring gear 841; Thereby make power transmission shaft 96 rotations, realize electric operating.Behind coil blackout, electromagnetic force disappears, and armature ring gear 831 is just gripped ring gear 841 by the restoring force of the axial thrust of end face tooth and spring leaf 821 with magnetic and separated, and armature ring gear 831 is thrown off with the end face tooth that magnetic is gripped ring gear 841 mutually, has just stopped the transmission of moment.
Referring to Figure 16 and Figure 17, the separating brake course of work of electronic isolated operation mechanism 9 is following: when the sub-gate signal of switch cubicle 1 started, the armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually; Motor 94 is just changeing drive pinion 95 (seeing Figure 21) rotation, and pinion 95 drives gear wheels 81 (seeing Figure 21) rotation, makes power transmission shaft 96 be rotated clockwise to the separating brake position; Driving lever 962 was stirred mid point with trigger mechanism 91 simultaneously; The contact of trigger mechanism 91 is depressed separating brake travel switch 92, and electromagnetic clutch 8 cuts off the power supply at once, and armature ring gear 831 is gripped ring gear 841 with magnetic and is separated; Power transmission shaft 96 stops operating, and this moment, electronic isolated operation mechanism 9 was in the separating brake position.
Referring to Figure 19 and 20, Figure 19 and 20 is views of the electronic isolated operation mechanism of the utility model solid insulation switch cabinet, and electronic isolated operation mechanism is in closing position.The combined floodgate course of work of electronic isolated operation mechanism 9 is following: when the switching signal of switch cubicle 1 started, armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and motor 94 counter-rotatings drive pinions 95 and rotate; Pinion 95 drives gear wheel 81 rotations; Make power transmission shaft 96 be rotated counterclockwise closing position, driving lever 962 was stirred mid point with trigger mechanism 91 simultaneously, and the contact of trigger mechanism 91 is depressed combined floodgate travel switch 93; Electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating, and this moment, electronic isolated operation mechanism 9 was in closing position.
Electronic isolated operation mechanism 9 is in branch, the closing position except that but electric operating makes it, but also manual operation realizes.When electromagnetic clutch cut off the power supply, yoke ring gear 841 broke off with armature ring gear 831, when the time comes can be through an instrument and manual operation unit 963 to cooperating manual rotating drive shaft 96 to realize the closing of electronic isolated operation mechanism 9, separating brake.
The energising of coil 852, outage are through trigger mechanism 91, and separating brake travel switch 92 is realized accurately control with 93 actings in conjunction of combined floodgate travel switch.
Referring to Figure 21, Figure 21 is the view of the electronic isolated operation mechanism 9 control isolation knife 331 of the utility model switch cubicle, and isolation knife 331 is in the position of separating brake.Switch cubicle 1 is provided with an adaptor 97, and adaptor 97 is used for the circular motion of rocking arm 961 is converted into the rectilinear motion of isolation knife 331.Adaptor 97 is the plate of a L type; One end of said plate is fastenedly connected an end of isolation knife 331; The other end of plate has elongated bullport 98, and along with the rotation of power transmission shaft 96, rocking arm 961 slides along said elongated bullport in rotation; Drive the upper and lower motion of said adaptor, thus control the closing of isolation knife 331, separating brake.
The separating brake process of high voltage isolator 33 is following: when the sub-gate signal of switch cubicle 1 started, the armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and motor 94 is just changeing 95 rotations of drive pinion; Pinion 95 drives gear wheel 81 rotations, and power transmission shaft 96 is turned clockwise, and the rocking arm 961 drive adaptors 97 that are fastenedly connected with power transmission shaft 96 move upward; Be in the separating brake position up to isolation knife 331; Driving lever 962 was stirred mid point with trigger mechanism 91 simultaneously, and the contact of trigger mechanism 91 is depressed separating brake travel switch 92, and electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating.
Referring to Figure 22, Figure 22 is the view of the electronic isolated operation mechanism 9 control isolation knife 331 of the utility model solid insulation switch cabinet, and isolation knife 331 is in the position of combined floodgate.The making process of high voltage isolator 33 is following: when the switching signal of switch cubicle 1 started, the armature ring gear 831 and the magnetic of electromagnetic clutch 8 was gripped ring gear 841 adhesive mutually, and motor 94 counter-rotatings drive pinion 95 rotations; Pinion 95 drives gear wheel 81 rotations, and power transmission shaft 96 is rotated counterclockwise, and the rocking arm 961 drive adaptors 97 that are fastenedly connected with power transmission shaft 96 move downward; Be in closing position up to isolation knife 331; Driving lever 962 was stirred mid point with trigger mechanism 91 simultaneously, and the contact of trigger mechanism 91 is depressed combined floodgate travel switch 93, and electromagnetic clutch 8 cuts off the power supply at once; Armature ring gear 831 is gripped ring gear 841 with magnetic and is separated, and power transmission shaft 96 stops operating.
It is emphasized that above at last only is explanation rather than the restriction to the utility model for example, and the protection range of the utility model is as the criterion with the content of claim.As the common engineers and technicians of this area, any inventive spirit and equivalence techniques conversion of making based on the utility model is all within the protection range of the utility model.
Claims (7)
1. electronic isolated operation mechanism comprises
Support;
Motor, said motor are fixed on the said support;
Power transmission shaft, said power transmission shaft rotatably are fixed on the said support, and an end of said power transmission shaft is provided with rocking arm;
Electromagnetic clutch, said motor drives said power transmission shaft through said electromagnetic clutch;
It is characterized in that:
Separating brake travel switch and combined floodgate travel switch, said separating brake travel switch and said combined floodgate travel switch relatively are arranged on the said support;
Trigger mechanism; Said trigger mechanism comprises a fork and a stabilizing spring; Said fork one end is hinged on the said support; The other end is for triggering the contact of said separating brake travel switch and said combined floodgate travel switch respectively at two limit positions, said stabilizing spring one end is fixed on the said support, and the other end places on the said fork;
Driving lever, said driving lever is fixed on the said power transmission shaft, stirs said contact when being used for rotating with said power transmission shaft;
The other end of said power transmission shaft is provided with manual operation unit.
2. electronic isolated operation according to claim 1 mechanism is characterized in that:
Said electromagnetic clutch comprises that the magnetic that coil is housed is gripped, baffle plate, armature, magnetic are gripped ring gear, armature ring gear, connection, spring leaf and gear wheel;
Said magnetic is gripped ring gear has the identical end face tooth of parameter with said armature ring gear;
Said magnetic is gripped by deep groove ball bearing and is supported;
Said armature and said armature ring gear are fastenedly connected;
Said baffle plate and said magnetic are gripped ring gear and are fastenedly connected;
The involute external tooth of said connection can be along the involute internal tooth of said armature ring gear in axial free slippage;
Said connection and said gear wheel adopt screw fastening;
Key is connected between the axis hole of said baffle plate and the said power transmission shaft.
3. electronic isolated operation according to claim 1 mechanism is characterized in that:
Said driving lever is the bar of two L types, and the radial symmetric setting of said relatively power transmission shaft.
4. switch cubicle comprises
High voltage isolator, said high voltage isolator has isolation knife;
Electronic isolated operation mechanism; Said electronic isolated operation mechanism comprises support, is fixed on the motor on the said support, rotatably is fixed on the power transmission shaft on the said support; One end of said power transmission shaft is provided with rocking arm, and said motor drives said power transmission shaft through electromagnetic clutch;
It is characterized in that:
Separating brake travel switch and combined floodgate travel switch, said separating brake travel switch and said combined floodgate travel switch relatively are arranged on the said support;
Trigger mechanism; Said trigger mechanism comprises a fork and a stabilizing spring; Said fork one end is hinged on the said support; The other end is for triggering the contact of said separating brake travel switch and said combined floodgate travel switch respectively at two limit positions, said stabilizing spring one end is fixed on the said support, and the other end places on the said fork;
Driving lever, said driving lever is fixed on the said power transmission shaft, stirs said contact when being used for rotating with said power transmission shaft;
The other end of said power transmission shaft is provided with manual operation unit;
Adaptor, said adaptor is used for the circular motion of said rocking arm is converted into the rectilinear motion of said isolation knife.
5. switch cubicle according to claim 4 is characterized in that:
Said electromagnetic clutch comprises that the magnetic that coil is housed is gripped, baffle plate, armature, magnetic are gripped ring gear, armature ring gear, connection, spring leaf and gear wheel;
Said magnetic is gripped ring gear has the identical end face tooth of parameter with said armature ring gear;
Said magnetic is gripped by deep groove ball bearing and is supported;
Said armature and said armature ring gear are fastenedly connected;
Said baffle plate and said magnetic are gripped ring gear and are fastenedly connected;
The involute external tooth of said connection can be along the involute internal tooth of said armature ring gear in axial free slippage;
Said connection and said gear wheel adopt screw fastening;
Key is connected between the axis hole of said baffle plate and the said power transmission shaft.
6. switch cubicle according to claim 4 is characterized in that:
Said driving lever is the bar of two L types, and the radial symmetric setting of said relatively power transmission shaft.
7. switch cubicle according to claim 4 is characterized in that:
Said adaptor is the plate of a L type, and an end of said plate is fastenedly connected an end of said isolation knife; The other end of said plate has the elongated bullport, rotates with said power transmission shaft, and said rocking arm slides along said elongated bullport in rotation, drives the upper and lower motion of said adaptor, thereby controls the closing of said isolation knife, separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205492894U CN202373474U (en) | 2011-12-23 | 2011-12-23 | Electric isolating operating mechanism and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205492894U CN202373474U (en) | 2011-12-23 | 2011-12-23 | Electric isolating operating mechanism and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202373474U true CN202373474U (en) | 2012-08-08 |
Family
ID=46597168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205492894U Expired - Fee Related CN202373474U (en) | 2011-12-23 | 2011-12-23 | Electric isolating operating mechanism and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202373474U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806781A (en) * | 2012-11-15 | 2014-05-21 | 国家电网公司 | Control device for switch cabinet valve |
| CN108767683A (en) * | 2018-07-18 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of high-tension switch cabinet |
| CN108832522A (en) * | 2018-07-10 | 2018-11-16 | 成都中工电气工程有限公司 | Contact net online switchboard assembly |
-
2011
- 2011-12-23 CN CN2011205492894U patent/CN202373474U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806781A (en) * | 2012-11-15 | 2014-05-21 | 国家电网公司 | Control device for switch cabinet valve |
| CN103806781B (en) * | 2012-11-15 | 2016-01-20 | 国家电网公司 | The control device of switch cabinet shutter |
| CN108832522A (en) * | 2018-07-10 | 2018-11-16 | 成都中工电气工程有限公司 | Contact net online switchboard assembly |
| CN108767683A (en) * | 2018-07-18 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of high-tension switch cabinet |
| CN108767683B (en) * | 2018-07-18 | 2024-01-19 | 河南森源电气股份有限公司 | High-voltage switch cabinet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20151223 |
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| EXPY | Termination of patent right or utility model |