CN102543551B - Operating mechanism of three-station switch - Google Patents
Operating mechanism of three-station switch Download PDFInfo
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- CN102543551B CN102543551B CN201110439906.XA CN201110439906A CN102543551B CN 102543551 B CN102543551 B CN 102543551B CN 201110439906 A CN201110439906 A CN 201110439906A CN 102543551 B CN102543551 B CN 102543551B
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Abstract
The invention relates to an operating mechanism of a three-station switch, which overcomes the problems of the existing operating mechanism that three-station switch overshoot can be caused, the failure rate of a state indication device is high, the position of the three-position switch is easy to change and misoperation is easy to cause. The operating mechanism of the three-station switch is characterized in that an electric driving part consists of an electromotor, an electromagnetic clutch and an electric output gear, and a manual driving part consists of a manual selection disk assembling component, a padlock component, a display rotary rod device, a nut assembling component, an inner core assembling component, a lead screw main shaft assembling component and a mechanical clutch. The operating mechanism has the beneficial effects that the three-station switch overshoot and the misoperation can be effectively prevented, and the position change of the three-station switch is avoided; and a mechanism state display device is matched with a switch state sign set on an operation panel to accurately display the position of the three-station switch in real time, the display is visual and convenient, and a complex reduction gearbox structure is omitted.
Description
Technical field
The invention belongs to equipment for power transmission and distribution technical field, particularly a kind of operating mechanism of the three-station carrying out deciliter for high-voltage switch equipment three-station.
Background technology
In prior art, for the operating mechanism of the three-station of gas-insulated metal enclosed switchgear, have spring mechanism and gear drive, mainly motor, drive disk assembly and functional unit, consist of, the technical problem of existence is:
(1), due to the measure that does not have setting operation to put in place to force to stop, if control loop breaks down during electric operating, motor can not put in place and stop, and can cause three-station overshoot, causes operating mechanism to damage;
(2) because state indicating device need can be realized by gear reduction, thereby complex structure, failure rate is high;
(3) owing to there is no limiting locking structure, when not carrying out any operation, outer power rotary output axis may make three-station position change;
(4) due to shared one of the manual operation hole of isolation deciliter and ground connection deciliter, easily cause misoperation.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiencies in the prior art part, provide a kind of and be provided with operation and put in place and force the measure stop, there is limiting locking structure, and state indicating device is simple in structure, handling safety, reliable in action and three-position switch operation mechanism easy to use.
The technical solution used in the present invention comprises mechanism's casing, by comprising motor, the motorized motions parts that electromagnetic clutch and electronic output gear form, by comprising the load module of manual operation selective pan, padlock assembly, show swing arm device, screw load module, the load module of inner core top, inner core load module, leading screw spindle mounted assembly is with mechanical clutch and mechanism's output shaft, the manual operation driver part that mechanism's output gear forms, described inner core load module has 1 curved frid of inner core, a side at the curved frid of inner core is processed with isolation co-bit notch and isolation minute position notch, at the opposite side of the curved frid of inner core, be processed with ground connection and divide a notch and ground connection co-bit notch, on the curved frid of inner core, be separately installed with front end panel, middle supporting bracket and rear bearing sheet, at front end panel, leading screw spindle mounted assembly is installed on middle supporting bracket and rear bearing sheet, described leading screw spindle mounted assembly has a leading screw main shaft, at leading screw front-end of spindle, manual operation gear is installed, in leading screw rear-end of spindle, the second idler gear and the 3rd idler gear are installed, between middle supporting bracket and rear bearing sheet, by bearing pin, left sincere son and right sincere son are installed, ratchet and rear ratchet before being provided with between middle supporting bracket and rear bearing sheet on leading screw main shaft, in the outside of rear bearing sheet, the first idler gear is installed, on front end panel, by spring bearing, isolated operation gear and ground connection operation gear are installed, screw load module is installed on leading screw main shaft, the load module of manual operation selective pan is installed on the bearing outside of leading screw front-end of spindle, on front end panel, be installed with header board, latching electromagnet is installed on header board, quick-action switch and padlock assembly, in the curved frid of inner core, upper left side is provided with by the first connecting lever plate, the left linkage that short connecting plate and the first bent plate form, on in the curved frid of inner core, right side is provided with by the second connecting lever plate, the right connecting rod mechanism that long connecting plate and the second bent plate form, on the first connecting lever plate of left linkage, left fore-set is installed, on the second connecting lever plate of right connecting rod mechanism, right fore-set is installed, isolation co-bit ejector pin and isolation co-bit top cover are installed in the first bent plate one side, on the first bent plate opposite side, ground connection is installed and divides an ejector pin, ground connection co-bit ejector pin and ground connection co-bit top cover are installed in the second bent plate one side, isolation minute position ejector pin is installed on the second bent plate opposite side, the top load module of described inner core has a switch as inner core top load module skeleton that bent plate is installed, on the left and right sides of switch installation bent plate, be processed with the second fairlead gathering sill moving therein for screw load module, at switch, install on bent plate and be provided with altogether and play 9 electrical trip switch that electric signal effect is provided in relevant position, at switch, install on bent plate and be also provided with and isolate auxiliary switch and ground connection auxiliary switch and isolation auxiliary switch shift fork and ground connection auxiliary switch shift fork, at switch, install on bent plate ground connection co-bit travel switch pressing plate is also installed, isolation co-bit travel switch pressing plate, isolation minute position travel switch pressing plate and ground connection are divided a travel switch pressing plate.
Described mechanism casing comprises guidance panel, upper cover, rear plate and the bottom bent plate that is connected as a single entity and is formed by left plate, right plate and base plate, is provided with isolation symbol, ground connection symbol, isolated operation hole, ground connection handle hole and on off state symbol and manual operation and selects handle gathering sill on guidance panel.
The load module of described manual operation selective pan has a manual operation selective pan, manual operation selective pan is connected with bent plate by rotation bent plate, on rotation bent plate, be processed with the first fairlead gathering sill, rear end at bent plate is provided with bearing, in manual operation selective pan one side, briquetting is installed, on manual operation selective pan, be installed with pressing plate, by pressing plate, manual operation is installed and selects handle load module, described manual operation selects handle load module to have a manual operation to select handle, in manual operation, selecting the middle part of handle to be processed with can the operation on guidance panel select manual operation mobile in handle gathering sill to select handle groove, manual operation selects handle to be embedded in sleeve, in handle is selected in manual operation, Compress Spring is housed, the pressing plate that dog screw is housed is selected handle by screw by manual operation, sleeve and Compress Spring are fixed on manual operation selective pan.
Described padlock assembly includes circular lock nose, this circle lock nose is fixed on the guidance panel of mechanism's casing with circlip for shaft, lock shaft is equipped with in circular lock nose inside, lock shaft is through padlock fairlead can moving in padlock fairlead, lock shaft front end by circlip for hole fix, padlock spring is installed at middle part, rear portion is provided with adjustment screw.
Described demonstration swing arm device comprises swing arm axle, is processed with rotary steering groove on swing arm axle, at swing arm axle front end, display panel is installed, and display panel is provided with display panel sign, and plastic bearing is also installed on swing arm axle, and swing arm shaft end is processed with the little axle of swing arm end.
Described screw load module comprises ejector pin briquetting, ejector pin briquetting is arranged on screw by circlip, described ejector pin briquetting and screw are matched in clearance, can relatively rotate, above ejector pin briquetting, press strip is installed, in the middle of press strip, by threaded and at threaded, the first fairlead is installed, the left and right sides of screw is provided with the axis of guide, the second fairlead is installed on the axis of guide, and screw top is provided with backing pin by backing pin bent plate.
Describedly on switch is installed bent plate, be provided with altogether and play 9 electrical trip switch that electric signal effect is provided in relevant position, be respectively 2 isolation co-bit travel switches and divide a travel switch and 1 electric operating to lock travel switch with 2 ground connection co-bit travel switches, 2 isolation minute position travel switches and 2 ground connection.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention has added isolation co-bit top cover, when mechanism carries out electric operating, ejector pin briquetting, in the curved frid of inner core outside, is in horizontal level, and when isolation combined floodgate puts in place, ejector pin briquetting promotes isolation co-bit top cover, by linkage, sincere son is moved down and withstand ratchet, leading screw main shaft can not be rotated further, and enforement mechanism stops output, simultaneously by linkage driving isolation co-bit travel switch, cut off electronic loop, stop motor output; In like manner, the present invention has added ground connection co-bit top cover, forces shut-down mechanism output when earthed switch electric switch-on is put in place; In addition, coordinate the motor with electromagnetic clutch, if electric loop breaks down during electric operating, motor can not stop when switch puts in place, and under the effect of ground connection co-bit top cover, mechanism stops output, electromagnetic clutch skids, and can effectively prevent three-station overshoot; The present invention also arranges two manual operation holes that are respectively used to operational grounding switch and isolating switch on guidance panel, select at ordinary times handle to be positioned at centre position, handle hole is closed, left rotation and right rotation by selection handle while needing manual operation is opened corresponding operating hole, select handle can rotate the restriction that is subject to latching electromagnet, latching electromagnet and circuit breaker are interlocked, and in the time of can preventing circuit breaker co-bit thus, three-station are operated; If mistake is shaken handle instead during manual operation, by the effect of ejector pin, linkage and sincere son, force leading screw main shaft to stop operating, can effectively prevent the generation of misoperation; Manual or electronic proper operation, after desired location, forces leading screw to stop by the effect of ejector pin, linkage and sincere son equally, controls three-station contact and is parked in accurate location.
(2) the present invention has designed the curved frid of inner core, the ejector pin briquetting being assemblied in manual operation process on screw mandrel main shaft moves forward and backward in the curved frid of inner core, only have ejector pin briquetting after operation puts in place to shift out at the notch of the curved frid of inner core, manually select handle to reset, can avoid three-station manual operating not in place;
(3) the present invention has added unidirectional mechanical clutch on mechanism's output shaft, the operation of mechanism can only be transmitted to output shaft one direction as the used time, the rotation that is output shaft can only be transmitted to three-station by mechanism, to mechanism, to the power transmission shaft between three-station, can play the effect of check, when mechanism's shut-down operation, mechanism to the power transmission shaft between three-station can be because external force rotates, thereby avoided the position of three-station to change;
(4) the present invention is provided with mechanism's, demonstration swing arm device comprising the swivelling chute of swing arm axle side processing circular, when isolating or during the breaking-closing operating of earthed switch, rotation along with leading screw main shaft, before and after being arranged on 2 axis of guides in screw load module, do rectilinear motion, one end of the axis of guide is linear slide in the swivelling chute that shows swing arm device, by swing arm axle, change into the rotation of display panel, in the whole stroke of three-station between ground connection co-bit and isolation co-bit, many revolutions of leading screw main shaft change 1/4 revolution of display panel into, be engaged in the on off state symbol arranging on guidance panel and can accurately show in real time the residing position of three-station, intuitive display, convenient, saved complicated gearbox structure.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention,
Fig. 2 is front view of the present invention,
Fig. 3 is the A-A cutaway view of Fig. 2,
Fig. 4 is inner core load module schematic diagram of the present invention,
Fig. 5 is the left view of Fig. 4,
Fig. 6 is the right view of Fig. 4,
Fig. 7 is the vertical view of Fig. 4,
Fig. 8 is the D-D cutaway view of Fig. 6,
Fig. 9 is the B-B cutaway view of Fig. 2,
Figure 10 is the C-C cutaway view of Fig. 2,
Figure 11 is manual operation selective pan load module structural representation of the present invention,
Figure 12 is that the scheme of installation of handle on guidance panel selected in manual operation of the present invention,
Figure 13 is padlock modular construction schematic diagram of the present invention,
Figure 14 is that the present invention shows swing arm apparatus structure schematic diagram,
Figure 15 is screw load module structural representation of the present invention,
Figure 16 is the E-E cutaway view of Figure 15.
In figure:
1. mechanism's casing,
1.1. guidance panel, 1.2 upper covers,
1.3 rear plates, 1.4 bottom bent plates;
1.1.1 isolate symbol, 1.1.2 ground connection symbol,
1.1.3 isolated operation hole, 1.1.4 ground connection handle hole,
1.1.5 on off state symbol, handle gathering sill is selected in 1.1.6 manual operation,
2. manual operation selective pan load module,
2.1 manual operation selective pans, 2.2 quick-action switch briquettings,
Handle load module is selected in 2.3 manual operations, 2.4 pressing plates,
2.5 rotation bent plates, 2.6 bent plates,
2.7 bearing holder (housing, cover)s, 2.8 bearings;
2.3.1 handle is selected in manual operation, 2.3.2 Compress Spring,
2.3.3 sleeve, 2.3.4 dog screw,
2.3.5 handle groove is selected in manual operation, 2.5.1 the first fairlead gathering sill,
3. padlock assembly,
3.1 circular lock noses, 3.2 lock shafts,
3.3 padlock springs, 3.4 padlock fairleads, 3.5 adjust screw;
4. show swing arm device,
4.1 display panel signs, 4.2 display panels,
4.3 plastic bearings, 4.4 swing arm axles,
4.4.1 swivelling chute, the little axle of 4.4.2 swing arm end;
5. screw load module,
5.1 screws, 5.2 axis of guides, 5.3 backing pins,
5.4 ejector pin briquettings, 5.5 first fairleads, 5.6 press strips,
5.7 threadeds, 5.8 second fairleads, 5.9. backing pin bent plate;
6. inner core top load module,
6.1 switches are installed bent plate, 6.1.1 the second fairlead gathering sill,
6.2 isolation auxiliary switches, 6.3 ground connection auxiliary switches,
6.4 isolation co-bit travel switches, 6.5 ground connection co-bit travel switches,
6.61 ground connection co-bit travel switch pressing plates, 6.62 isolation co-bit travel switch pressing plates,
6.7 isolation minute position travel switch, 6.8 ground connection are divided a travel switch,
6.91 ground connection are divided a travel switch pressing plate, 6.92 isolation minute position travel switch pressing plate
6.10 ground connection auxiliary switch shift forks, 6.11 isolation auxiliary switch shift forks,
6.12 electric operating locking travel switches;
7 header boards,
8. latching electromagnet,
9. quick-action switch,
10. motor,
11. electromagnetic clutchs,
12. inner core load modules,
The curved frid of 12.1 inner core,
12.1.1 isolate co-bit notch, 12.1.2 isolation minute position notch,
12.1.3 ground connection is divided a notch, 12.1.4 ground connection co-bit notch,
12.21 left fore-sets, 12.22 right fore-sets,
12.31 first connecting lever plates, 12.32 second connecting lever plates,
12.41 short connecting plates, 12.42 long connecting plates
12.51 first bent plates, 12.52 second bent plates,
12.61 isolation co-bit ejector pins, 12.62 ground connection co-bit ejector pins,
12.71 isolation co-bit top covers, 12.72 ground connection co-bit top covers,
12.81 ground connection are divided an ejector pin, 12.82 isolation minute position ejector pin,
12.91 front end panels, 12.92 rear bearing sheets, supporting bracket in 12.93,
13 leading screw spindle mounted assemblies,
13.1 leading screw main shafts, 13.2. manual operation gear,
13.3. the second idler gear, 13.4. the 3rd idler gear
14. electronic output gears,
15. left sincere sons, 16. front ratchets,
17. right sincere sons, 18 rear ratchets,
19. mechanical clutches, 20. mechanism's output shafts,
21. mechanism's output gears, 22 first idler gears,
23 isolated operation gears, 24 ground connection operation gears.
Embodiment
The present invention includes mechanism's casing 1, by the motorized motions parts that comprise that motor 10, electromagnetic clutch 11 and electronic output gear 14 form, by comprising manual operation selective pan load module 2, padlock assembly 3, showing the manual operation driver part that swing arm device 4, screw load module 5, inner core top load module 6, inner core load module 12, leading screw spindle mounted assembly 13 and mechanical clutch 19He mechanism output shaft 20 form.
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1, the present invention includes mechanism's casing 1, described mechanism casing 1 comprises guidance panel 1.1, upper cover 1.2, rear plate 1.3 and the bottom bent plate 1.4 that is connected as a single entity and is formed by left plate, right plate and base plate;
As shown in Figure 2, on guidance panel 1.1, be provided with isolation symbol 1.1.1, ground connection symbol 1.1.2, isolated operation hole 1.1.3, ground connection handle hole 1.1.4 and on off state symbol 1.1.5 and manual operation and select handle gathering sill 1.1.6;
As Fig. 3, Fig. 4, shown in Fig. 6 and Figure 11 and Figure 12, described manual operation selective pan load module 2 has a manual operation selective pan 2.1, manual operation selective pan 2.1 is connected with bent plate 2.6 use screws by rotation bent plate 2.5, on rotation bent plate 2.5, be processed with the first fairlead gathering sill 2.5.1, in the rear end of bent plate 2.6, bearing holder (housing, cover) 2.7 is installed, bearing 2.8 is arranged on bearing holder (housing, cover) 2.7 inside, in manual operation selective pan 2.1 1 sides, briquetting 2.2 is installed, on manual operation selective pan 2.1, be installed with pressing plate 2.4, by pressing plate 2.4, manual operation is installed and selects handle load module 2.3, described manual operation selects handle load module 2.3 to have a manual operation to select handle 2.3.1, in manual operation, selecting the middle part of handle 2.3.1 to be processed with can the operation on guidance panel 1 select manual operation mobile in handle gathering sill 1.1.6 to select handle groove 2.3.5, this manual operation selects handle 2.3.1 to be embedded in sleeve 2.3.3, in handle 2.3.1 is selected in manual operation, Compress Spring 2.3.2 is housed, the pressing plate 2.4 that dog screw 2.3.4 is housed is selected handle 2.3.1 by screw by manual operation, sleeve 2.3.3 and Compress Spring 2.3.2 are fixed on manual operation selective pan 2.1, dog screw 2.3.4 plays the positioning action to Compress Spring 2.3.2, manual operation selects handle 2.3.1 the manual operation on guidance panel 1 to select to slide in handle gathering sill 1.1.6, realize isolated operation, the selection of intermediate reset state and three positions of ground connection operation,
As Fig. 3, Fig. 4, shown in Fig. 6 and Figure 13, described padlock assembly 3 includes circular lock nose 3.1, these circle lock nose 3.1 use circlips for shaft are fixed on the guidance panel 1.1 of mechanism's casing 1, lock shaft 3.2 is equipped with in circular lock nose 3.1 inside, lock shaft 3.2 also can be in the interior movement of padlock fairlead 3.4 through padlock fairlead 3.4, lock shaft 3.2 front ends are fixed by circlip for hole, padlock spring 3.3 is installed at middle part, rear portion is provided with adjusts screw 3.5, after the first fairlead gathering sill 2.5.1 that this padlock assembly 3 passes on manual operation selective pan 2.1, by padlock fairlead 3.4, be arranged on header board 7,
As shown in Fig. 6 and Figure 14, described demonstration swing arm device 4 comprises swing arm axle 4.4, on swing arm axle 4.4, be processed with swivelling chute 4.4.1, at swing arm axle 4.4 front ends, display panel 4.2 is installed, display panel 4.2 is provided with display panel sign 4.1, and plastic bearing 4.3 is also installed on swing arm axle 4.4, and this plastic bearing 4.3 is arranged on front end panel 12.91, swing arm axle 4.4 ends are processed with the little axle 4.4.2 of swing arm end, and by this swing arm end, little axle 4.4.2 is arranged on intermediate support plate 12.93;
As Fig. 3, shown in Fig. 4 and Figure 15 and Figure 16, described screw load module 5 comprises the ejector pin briquetting 5.4 that steel material is made, ejector pin briquetting 5.4 is arranged on the screw 5.1 of copper material making by circlip, both are matched in clearance for ejector pin briquetting 5.4 and screw 5.1, can relatively rotate, ejector pin briquetting 5.4 is installed and is processed with the press strip 5.6 of through hole and fixes by screw above, the first fairlead 5.5 is installed by threaded 5.7 and on threaded 5.7 in the middle of press strip 5.6, the first fairlead 5.5 moves in the first fairlead gathering sill 2.5.1 of the rotation bent plate 2.5 in manual operation selective pan load module 2, and along with rotating the rotation of bent plate 2.5, drive 5.4 rotations of ejector pin briquetting, the left and right sides of screw 5.1 is provided with the axis of guide 5.2, the second fairlead 5.8 is installed on the axis of guide 5.2, the second fairlead 5.8 is stuck in the second fairlead gathering sill 6.1.1 on switch installation bent plate 6.1 as shown in Figure 9 and slides, in swivelling chute 4.4.1 in the demonstration swing arm device 4 that the axis of guide 5.2 on screw 5.1 right sides inserts as shown in figure 14, drive and show that swing arm device 4 rotates, screw 5.1 tops are provided with backing pin 5.3 by backing pin bent plate 5.9, when screw 5.1 moves forward and backward, ground connection auxiliary switch shift fork 6.10 and isolation auxiliary switch shift fork 6.11 that backing pin 5.3 promotes as shown in figure 10 make its rotation, thereby drive isolation auxiliary switch or ground connection auxiliary switch to rotate to relevant position,
As shown in Fig. 3 and Fig. 9 and Figure 10, described inner core top load module 6 has a switch as core top load module skeleton that bent plate 6.1 is installed, the left and right sides of bent plate 6.1 being installed at switch is processed with for 2 the second fairleads 5.8 of screw load module 5 mobile the second fairlead gathering sill 6.1.1 therein, at switch, install on bent plate 6.1 and be provided with altogether and play 9 electrical trip switch that electric signal effect is provided in relevant position, be respectively and be arranged on 2 isolation co-bit travel switches 6.4 and 2 the ground connection co-bit travel switches 6.5 that switch is installed bent plate 6.1 outer left side, 2 isolation minute position travel switch 6.7 and 2 ground connection that are arranged on switch installation bent plate 6.1 outside right sides are divided a travel switch 6.8, and 1 the electric operating locking travel switch 6.12 that is arranged on switch installation bent plate 6.1 inside left, the upper left-hand that bent plate 6.1 is installed at switch is provided with isolation auxiliary switch 6.2 and ground connection auxiliary switch 6.3, at switch, bent plate 6.1 right sides are installed isolation auxiliary switch shift fork 6.11 and ground connection auxiliary switch shift fork 6.10 are installed, the outer left side front portion that bent plate 6.1 is installed at switch is also provided with ground connection co-bit travel switch pressing plate 6.61, the outer left side rear portion that bent plate 6.1 is installed at switch is provided with isolation co-bit travel switch pressing plate 6.62, the external right upper lateral part that bent plate 6.1 is installed at switch is provided with isolation minute position travel switch pressing plate 6.92, the external right side lower part of switch installation bent plate 6.1 is provided with ground connection and divides a travel switch pressing plate 6.91,
Fig. 3, Fig. 4, Fig. 6, shown in Fig. 7 and Fig. 8, described inner core load module 12 has 1 curved frid 12.1 of inner core, a side at the curved frid 12.1 of inner core is processed with isolation co-bit notch 12.1.1 and isolation minute position notch 12.1.2, at the opposite side of the curved frid 12.1 of inner core, be processed with ground connection and divide a notch 12.1.3 and ground connection co-bit notch 12.1.4, on the curved frid 12.1 of inner core, be separately installed with front end panel 12.91, middle supporting bracket 12.93 and rear bearing sheet 12.92, at front end panel 12.91, on middle supporting bracket 12.93 and rear bearing sheet 12.92, by bearing, leading screw spindle mounted assembly 13 is installed, described leading screw spindle assemblies 13 has a leading screw main shaft 13.1, at leading screw main shaft 13.1 front ends, manual operation gear 13.2 is installed, the second idler gear 13.3 and the 3rd idler gear 13.4 are installed in leading screw main shaft 13.1 rear ends, in the middle of middle supporting bracket 12.93 and rear bearing sheet 12.92, by bearing pin, install left sincere sub 15 and right sincere sub 17, ratchet 16 and rear ratchet 18 before position on leading screw main shaft 13.1 between middle supporting bracket 12.93 and rear bearing sheet 12.92 is provided with, screw load module 5 is installed on leading screw main shaft 13.1, manual operation selective pan load module 2 is installed on the bearing outside of leading screw main shaft 13.1 front ends, and with screw-driving, on front end panel 12.91, be installed with header board 7, latching electromagnet 8 and 2 quick-action switches 9 are installed on header board 7, padlock assembly 3 is installed on header board 7, at the interior upper left side of the curved frid 12.1 of inner core, be provided with by the first connecting lever plate 12.31, the left linkage that short connecting plate 12.41 and the first bent plate 12.51 form, on the curved frid 12.1 of inner core is interior, right side is provided with by the second connecting lever plate 12.32, the right connecting rod mechanism that long connecting plate 12.42 and the second bent plate 12.52 form, on the first connecting lever plate 12.31 of left linkage, left fore-set 12.21 is installed, on the second connecting lever plate 12.32 of right connecting rod mechanism, right fore-set 12.22 is installed, in the first bent plate 12.51 one sides, isolation co-bit ejector pin 12.61 and isolation co-bit top cover 12.71 are installed, at the first bent plate 12.51 opposite sides, ground connection is installed and divides an ejector pin 12.81, in the second bent plate 12.52 one sides, ground connection co-bit ejector pin 12.62 and ground connection co-bit top cover 12.72 are installed, at the second bent plate 12.52 opposite sides, isolation minute position ejector pin 12.82 is installed,
As Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the present invention is by comprising motor 10, electromagnetic clutch 11 and electronic output gear 14 form motorized motions parts, wherein, motor 10, electromagnetic clutch 11 and electronic output gear 14 are connected in series and are arranged on rear bearing sheet 12.92, the first idler gear 22 is installed in the outside of rear bearing sheet 12.92, the second idler gear 13.3 engagements on the leading screw 13.1 of the first idler gear 22 and leading screw spindle assemblies 13, drive the 3rd idler gear 13.4 synchronous rotaries on leading screw 13.1, be transferred on mechanism's output gear 21, driving mechanical clutch 19He mechanism output shaft 20 is realized electric operating driving simultaneously, this path is electronic output drive path, on front end panel 12.91, by spring bearing, isolated operation gear 23 and ground connection operation gear 24 are installed, by isolated operation gear 23, ground connection operation gear 24, the manual operation gear 13.2 of leading screw 13.1 front ends and leading screw 13.1, the second idler gear 13.3 of leading screw rear end, the common manual operation drive path that forms of the 3rd idler gear 13.4 and mechanism's output gear 21, during manual operation, although the second idler gear 13.3 also can drive the first idler gear 22 and electronic output gear 14 to rotate, but because the dropout effect of the electromagnetic clutch 11 that motor 10 connects, and can not rotate by driving electric machine 10.
During work, under normal condition, manual operation is selected handle 2.3.1 to be positioned at manual operation and is selected handle gathering sill 1.1.6 centre position, isolated operation hole 1.1.3 and ground connection handle hole 1.1.4 are all in closed condition, isolated operation handle and the ground connection operating grip of joining outward all can not insert, now can carry out electric operating, in the time of need carrying out manual operation, if be isolated in open position, by breaker open operation state-driven latching electromagnet 8, be subject to electric adhesive, now can press manual operation and select handle 2.3.1, Compress Spring 2.3.2 is compressed, the manual operation that manual operation selects the groove on handle 2.3.1 can enter in guidance panel 1 is selected in handle gathering sill 1.1.6, and can move left and right therein, when the load module 2 of manual operation selective pan selects handle 2.3.1 to move in handle gathering sill 1.1.6 is selected in manual operation with manual operation, be movable to that isolation symbol 1.1.1 direction is opened isolator operation hole 1.1.3 or ground connection symbol 1.1.2 direction is opened earthed switch handle hole 1.1.4, when moving to isolation symbol 1.1.1 direction, by the first fairlead 5.5, drive ejector pin briquetting 5.4 wrapping wire mothers 5.1 to be rotated counterclockwise certain angle simultaneously, now insert outer isolated operation handle of joining, clockwise rotate, by manual operation gear 13.2, leading screw main shaft 13.1, the 3rd idler gear 13.4, mechanism's output gear 21 is transferred to mechanism's output shaft 20 through mechanical clutch 19, isolating switch is closed a floodgate, if misoperation, being about to outer isolated operation handle of joining rotates counterclockwise, leading screw main shaft 13.1 rotarily drives ejector pin briquetting 5.4 and to ground connection, closes direction and move, by isolation, divide position ejector pin 12.82 to drive the second bent plate 12.52, long connecting plate 12.42 and the second connecting lever plate 12.32 motions, thereby drive right fore-set 12.22 to move down, make right sincere sub 17 to move down, withstand the rear ratchet 18 on leading screw main shaft 13.1, make leading screw main shaft 13.1 can not continue rotation, therefore force isolated operation handle to isolate and to close direction rotation in the direction of the clock, effectively prevented misoperation, this interlocking has also played position-limiting action when isolating switch separating brake puts in place simultaneously, be leading screw main shaft 13.1 by isolation co-bit to isolation minute position rotation to isolation during minute position, ejector pin briquetting 5.4 divides position ejector pin 12.82 finally to make sincere sub 17 to withstand ratchet 18 by isolation, leading screw main shaft 13.1 can not be rotated further.When isolated operation handle turns clockwise by correct direction, while arriving isolation co-bit, leading screw main shaft 13.1 drives ejector pin briquetting 5.4 to move forward, by isolation co-bit ejector pin 12.61, drive the first bent plate 12.51, short connecting plate 12.41 and the first connecting lever plate 12.31 motions, thereby drive left fore-set 12.21 to move down, make left sincere sub 15 to move down, withstand front ratchet 16 and make outer isolated operation handle of joining forbid being rotated further, sign isolation is closed a floodgate and is put in place; While in like manner inserting outer ground connection operating grip operational grounding switch of joining, the direction of rotation of the ground connection operating grip of joining outward can be limited in earthed switch and close direction, when ground connection puts in place, by sincere son, withstand ratchet and make outer operating grip of joining can not continue operation, the principle of ground connection sub-switching operation interlocking is with isolation sub-switching operation.
When carrying out above-mentioned isolating switch closing operation, ejector pin briquetting 5.4 selects the rotation of handle 2.3.1 to divide position notch 12.1.2 to enter the curved frid of inner core 12.1 the insides by isolation with manual operation, then along with isolation closing operation ejector pin briquetting 5.4 moves to isolation co-bit in the curved frid of inner core 12.1 the insides, if now close a floodgate and do not put in place, restriction because of the curved frid 12.1 of inner core, ejector pin briquetting 5.4 can not rotate, thereby manual operation selects handle 2.3.1 can not be reset to middle initial position, ejector pin briquetting 5.4 must can rotate by isolation co-bit notch 12.1.1 when isolation combined floodgate puts in place, extract outer isolator operation handle of joining, manual operation selects handle 2.3.1 can reset to centre position, by quick-action switch 9, electric signal is passed to relative breaker simultaneously, notice relative breaker can be carried out closing operation, while avoiding isolation not to be incorporated into completely, carry out relative breaker closing operation, the same restriction due to the curved frid 12.1 of inner core, ejector pin briquetting 5.4 must can divide a notch 12.1.2 to turn to the curved frid of inner core 12.1 the insides by isolation in mediate the i.e. isolation in position minute, the position divided of ground connection of three-station, effectively prevents when three-station is in ground connection co-bit isolating switch to operate.Above-mentioned is the interlocking of isolated operation part, and the structure of ground connection operation part in like manner.Only after manual operation puts in place, when manual operation selects handle 2.3.1 to reset to centre position, by quick-action switch 9 output electric signals, electric operating loop is connected simultaneously, now can be carried out electric operating.
Claims (7)
1. the operating mechanism of a three-station, comprise mechanism's casing (1), by comprising motor (10), the motorized motions parts that electromagnetic clutch (11) and electronic output gear (14) form, by comprising manual operation selective pan load module (2), padlock assembly (3), show swing arm device (4), screw load module (5), inner core top load module (6), inner core load module (12), leading screw spindle mounted assembly (13), mechanical clutch (19), mechanism's output shaft (20), the manual operation driver part that mechanism's output gear (21) forms, it is characterized in that, described inner core load module (12) has 1 curved frid of inner core (12.1), a side at the curved frid of inner core (12.1) is processed with isolation co-bit notch (12.1.1) and isolation minute position notch (12.1.2), at the opposite side of the curved frid of inner core (12.1), be processed with ground connection and divide a notch (12.1.3) and ground connection co-bit notch (12.1.4), on the curved frid of inner core (12.1), be separately installed with front end panel (12.91), middle supporting bracket (12.93) and rear bearing sheet (12.92), in front end panel (12.91), the upper leading screw spindle mounted assembly (13) of installing of middle supporting bracket (12.93) and rear bearing sheet (12.92), described leading screw spindle mounted assembly (13) has a leading screw main shaft (13.1), at leading screw main shaft (13.1) front end, manual operation gear (13.2) is installed, the second idler gear (13.3) and the 3rd idler gear (13.4) are installed in leading screw main shaft (13.1) rear end, between middle supporting bracket (12.93) and rear bearing sheet (12.92), by bearing pin, left sincere son (15) and right sincere son (17) are installed, at upper front ratchet (16) and the rear ratchet (1 8) of being provided with between middle supporting bracket (12.93) and rear bearing sheet (12.92) of leading screw main shaft (13.1), in the outside of rear bearing sheet (12.92), the first idler gear (22) is installed, at front end panel (12.91), above by spring bearing, isolated operation gear (23) and ground connection operation gear (24) are installed, in the upper installation of leading screw main shaft (13.1) screw load module (5), manual operation selective pan load module (2) is installed on the bearing outside of leading screw main shaft (13.1) front end, on front end panel (12.91), be installed with header board (7), latching electromagnet (8) is installed on header board (7), quick-action switch (9) and padlock assembly (3), in the curved frid of inner core (12.1), upper left side is provided with by the first connecting lever plate (12.31), the left linkage that short connecting plate (12.41) and the first bent plate (12.51) form, in the curved frid of inner core (12.1), upper right side is provided with by the second connecting lever plate (12.32), the right connecting rod mechanism that long connecting plate (12.42) and the second bent plate (12.52) form, the upper left fore-set (12.21) of installing of the first connecting lever plate (12.31) at left linkage, the upper right fore-set (12.22) of installing of the second connecting lever plate (12.32) in right connecting rod mechanism, isolation co-bit ejector pin (12.61) and isolation co-bit top cover (12.71) are installed in the first bent plate (12.51) one sides, on the first bent plate (12.51) opposite side, ground connection is installed and divides an ejector pin (12.81), in the second bent plate (12.52) one sides, ground connection co-bit ejector pin (12.62) and ground connection co-bit top cover (12.72) are installed, isolation minute position ejector pin (12.82) is installed on the second bent plate (12.52) opposite side, described inner core top load module (6) has a switch as inner core top load module skeleton that bent plate (6.1) is installed, on the left and right sides of switch installation bent plate (6.1), be processed with the second fairlead gathering sill (6.1.1) moving therein for screw load module (5), at switch, install on bent plate (6.1) and be provided with altogether and play 9 electrical trip switch that electric signal effect is provided in relevant position, at switch, install on bent plate (6.1) and be also provided with and isolate auxiliary switch (6.2) and ground connection auxiliary switch (6.3) and isolation auxiliary switch shift fork (6.11) and ground connection auxiliary switch shift fork (6.10), at switch, install on bent plate (6.1) ground connection co-bit travel switch pressing plate (6.61) is also installed, isolation co-bit travel switch pressing plate (6.62), isolation minute position travel switch pressing plate (6.92) and ground connection are divided a travel switch pressing plate (6.91).
2. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, described mechanism casing (1) comprises guidance panel (1.1), upper cover (1.2), rear plate (1.3) and the bottom bent plate (1.4) that is connected as a single entity and is formed by left plate, right plate and base plate, is provided with isolation symbol (1.1.1), ground connection symbol (1.1.2), isolated operation hole (1.1.3), ground connection handle hole (1.1.4) and on off state symbol (1.1.5) and manual operation and selects handle gathering sill (1.1.6) on guidance panel (1.1).
3. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, described manual operation selective pan load module (2) has a manual operation selective pan (2.1), manual operation selective pan (2.1) is connected with bent plate (2.6) by rotation bent plate (2.5), on rotation bent plate (2.5), be processed with the first fairlead gathering sill (2.5.1), in the rear end of bent plate (2.6), bearing (2.8) is installed, in manual operation selective pan (2.1) one sides, briquetting (2.2) is installed, on manual operation selective pan (2.1), be installed with pressing plate (2.4), by pressing plate (2.4), manual operation is installed and selects handle load module (2.3), described manual operation selects handle load module (2.3) to have a manual operation to select handle (2.3.1), in manual operation, selecting the middle part of handle (2.3.1) to be processed with can the operation on guidance panel (1) select manual operation mobile in handle gathering sill (1.1.6) to select handle groove (2.3.5), manual operation selects handle (2.3.1) to be embedded in sleeve (2.3.3), in handle (2.3.1) is selected in manual operation, Compress Spring (2.3.2) is housed, the pressing plate (2.4) that dog screw (2.3.4) is housed is selected handle (2.3.1) by screw by manual operation, sleeve (2.3.3) and Compress Spring (2.3.2) are fixed on manual operation selective pan (2.1).
4. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, described padlock assembly (3) includes circular lock nose (3.1), this circle lock nose (3.1) is fixed on the guidance panel (1.1) of mechanism's casing (1) with circlip for shaft, lock shaft (3.2) is equipped with in circular lock nose (3.1) inside, lock shaft (3.2) also can move through padlock fairlead (3.4) in padlock fairlead (3.4), lock shaft (3.2) front end is fixed by circlip for hole, padlock spring (3.3) is installed at middle part, rear portion is provided with adjusts screw (3.5).
5. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, described demonstration swing arm device (4) comprises swing arm axle (4.4), on swing arm axle (4.4), be processed with rotary steering groove (4.4.1), at swing arm axle (4.4) front end, display panel (4.2) is installed, display panel (4.2) is provided with display panel sign (4.1), plastic bearing (4.3) is also installed on swing arm axle (4.4), and swing arm axle (4.4) end is processed with the little axle of swing arm end (4.4.2).
6. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, described screw load module (5) comprises ejector pin briquetting (5.4), ejector pin briquetting (5.4) is arranged on screw (5.1) by circlip, both are matched in clearance for described ejector pin briquetting (5.4) and screw (5.1), can relatively rotate, ejector pin briquetting (5.4) is installed press strip (5.6) above, in the middle of press strip (5.6), by threaded (5.7) and at threaded (on 5.7), the first fairlead (5.5) is installed, the left and right sides of screw (5.1) is provided with the axis of guide (5.2), at upper the second fairlead (5.8) of installing of the axis of guide (5.2), screw (5.1) top is provided with backing pin (5.3) by backing pin bent plate (5.9).
7. a kind of operating mechanism of three-station according to claim 1, it is characterized in that, describedly at switch, install on bent plate (6.1) and be provided with altogether and play 9 electrical trip switch that electric signal effect is provided in relevant position, be respectively 2 isolation co-bit travel switches (6.4) and divide a travel switch (6.8) and 1 electric operating to lock travel switch (6.12) with 2 ground connection co-bit travel switches (6.5), 2 isolation minute position travel switches (6.7) with 2 ground connection.
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| CN201110439906.XA CN102543551B (en) | 2011-12-26 | 2011-12-26 | Operating mechanism of three-station switch |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103280345A (en) * | 2013-06-14 | 2013-09-04 | 苏州达宏电子科技有限公司 | Electric operating mechanism for earthing switch |
| CN103325588A (en) * | 2013-07-01 | 2013-09-25 | 北京电研华源电力技术有限公司 | Three-station insulation earthing switch |
| CN103985591B (en) * | 2014-05-29 | 2016-02-10 | 厦门兴厦控电气有限公司 | A kind of tri-station isolating switch |
| CN107068447B (en) * | 2017-04-28 | 2019-11-26 | 爱启（厦门）电气技术有限公司 | A kind of manual and electric module three position mechanism and interlocking |
| CN107887204B (en) * | 2017-05-08 | 2019-12-06 | 泰安泰山高压开关有限公司 | Speed reducer type three-station slow-speed operating mechanism |
| CN112289620B (en) * | 2019-07-23 | 2023-12-05 | 武汉倍诺德开关有限公司 | Three-station isolating switch |
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| CN200986884Y (en) * | 2006-12-14 | 2007-12-05 | 广东省顺德开关厂有限公司 | Three-position isolation switch mechanical interlock |
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