CN203871254U - Operating mechanism of three-station isolation switch - Google Patents
Operating mechanism of three-station isolation switch Download PDFInfo
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- CN203871254U CN203871254U CN201420279667.5U CN201420279667U CN203871254U CN 203871254 U CN203871254 U CN 203871254U CN 201420279667 U CN201420279667 U CN 201420279667U CN 203871254 U CN203871254 U CN 203871254U
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- 238000002955 isolation Methods 0.000 title claims abstract description 26
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- 230000005283 ground state Effects 0.000 claims description 10
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an operating mechanism of a three-station isolation switch. The operating mechanism comprises a housing body. The housing body is pivoted with a first operation shaft and a second operation shaft which are mutually parallel. The first operation shaft is fixedly connected with a rotation shaft of the isolation switch. The first operation shaft is fixedly connected with a first gear and an isolation limitation plate. A first positioning pin shaft passes through the isolation limitation plate. The two ends of the first positioning pin shaft are connected with the first operation shaft through two tension springs. The housing is provided with a closing groove, a separating groove and a grounding groove which are matched with the first positioning pin. The second operation shaft is fixedly connected with a second gear and a crank arm, wherein the crank arm is connected to the housing body through a second positioning pin shaft and a pressure spring. The housing body is provided with a second arc-shaped hole matched with the second positioning pin shaft. The whole peripheral surface of the first gear is uniformly provided with engagement teeth; a part of the peripheral surface of the second gear is provided with engagement teeth; and the second gear and the first gear are not matched when in the closing and separating states and are matched when in the grounding state. The operating mechanism is simple in structure, reliable in action and easy to realize electric operation.
Description
Technical field
The utility model relates to tri-station isolating switch manufacturing technology field, especially a kind of operating mechanism of tri-station isolating switch.
Background technology
Three operating states of existing tri-station isolating switch i.e. combined floodgate, separating brake and ground connection normally rotarily drive disconnecting link by a rotating shaft and complete, and rotating shaft will realize and rotates three positions and need to be completed by operating mechanism; Traditional operation mechanism adopts manual operation conventionally, is difficult to realize circuit operation, and Reliability of Microprocessor is poor.
Application number 201110439906.X of announcement on 07 04th, 2012, name are called the patent application of " a kind of operating mechanism of three-station ", it can be realized manually and electric operating, but it need to use the parts such as electromagnetic clutch, lead screw transmission mechanism, gear drive, structure is comparatively complicated, manufacturing cost is higher, because parts are more, the reliability of action needs further to be improved simultaneously.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of operating mechanism of tri-station isolating switch, simple in structure, and manufacturing cost is lower, and reliable in action, conveniently realizes electric operating.
For achieving the above object, the technical solution of the utility model is: a kind of operating mechanism of tri-station isolating switch, comprise housing, on housing, be articulated with the first operating axis and the second operating axis that are parallel to each other, the rotating shaft Joint of the first operating axis and tri-station isolating switch;
Affixed the first gear and an isolation limiting plate on the first operating axis, isolation limiting plate is provided with along the radially-arranged strip through hole of the first operating axis, on strip through hole, be installed with the first alignment pin, the two ends of the first alignment pin are connected with one end of two extension springs respectively, the other end of two extension springs is connected on the first operating axis, on housing, be provided with the first arcuate socket, on the first arcuate socket, be disposed with combined floodgate groove, separating brake groove and ground connection groove and match with the first alignment pin being through on isolation limiting plate strip through hole;
On the second operating axis affixed the second gear and with one end Joint of a connecting lever, the connecting lever other end connects one end of a Compress Spring by the second alignment pin, the other end of Compress Spring is connected on housing, is also provided with the second arcuate socket and matches with the second alignment pin on housing;
The first gear is evenly equipped with engaging tooth on whole outer peripheral face, the second gear arranges engaging tooth on part outer peripheral face, the disconnecting link of isolating switch is when combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear and the first gear does not match, the disconnecting link of isolating switch is when ground state, and the engaging tooth of the second gear just matches with the engaging tooth of the first gear.
Further improve, described connecting lever and the affixed one end of the second operating axis outer surface are provided with a ground connection spacing preiection, be also provided with spacing preiection and match with the ground connection spacing preiection of connecting lever on described isolation limiting plate.When the first operating axis clockwise rotates open position, limited can not the continuation of ground connection spacing preiection that touches connecting lever due to the spacing preiection on isolation limiting plate clockwise rotates, and therefore operating the first operating axis can not be grounded, and prevents misoperation.
Further improve, an affixed driving cam also on described the first operating axis, housing is equipped with a drive plate that can move left and right, on drive plate, be connected with the first interlock plate moving up and down that matches with circuit breaker operation mechanism, when the first operating axis turns to closing position, driving cam moves to left drive plate, and drive plate moves down the first interlock plate, and the first interlock plate can close a floodgate circuit breaker operation mechanism; When the first operating axis turns to separating brake or earthing position, driving cam departs from drive plate, and drive plate moves to right and promotes and moves on the first interlock plate under action of reset spring, the first interlock plate locking circuit breaker operation mechanism.This operating mechanism can be interlocked with circuit breaker operation mechanism, further improve safety in utilization.
Further improve again, before described the first operating axis, be provided with the first baffle plate, the first baffle plate is connected with one end of second interlock plate, the other end of the second interlock plate is connected on circuit breaker operation mechanism, circuit breaker is when "on" position, the second interlock plate drives the first baffle plate to block the front end of the first operating axis, and circuit breaker is when gate-dividing state, and the second interlock plate drives the first baffle plate to shift out the front end of the first operating axis.To guarantee that circuit breaker is when the "on" position, isolating switch can not carry out separating brake.
Further improve again, described the second operating axis be provided with second baffle above, when the first operating axis turns to separating brake or earthing position, described driving cam drives second baffle to shift out the front end of the second operating axis; When the first operating axis turns to closing position, described driving cam departs from second baffle, and second baffle resets and blocks the front end of the second operating axis.Further prevent misoperation.
Further improve, the interlocking connecting lever of an affixed cabinet door also on described the second operating axis, when the second operating axis turns to earthing position, described interlocking connecting lever switch cabinet door is carried out release, when the second operating axis turns to ungrounded position, described interlocking connecting lever latch switch cabinet door.This operating mechanism can be interlocked with cabinet door, further improve safety in utilization.
Further improve, the first motor and the second motor are housed on described housing, on the first operating axis, be also connected with the first sprocket wheel, the first motor is connected the first sprocket wheel by a drive sprocket with a chain, on the second operating axis, be also connected with the second sprocket wheel, the second motor is also connected the second sprocket wheel by a drive sprocket with a chain;
On housing, be equipped with that switch knob, opening button, ground connection close button, ground connection is divided button and the first sensitive switch, the second sensitive switch, the 3rd sensitive switch and the 4th sensitive switch;
The first alignment pin is touched the first sensitive switch when combined floodgate groove on the first arcuate socket matches, the first alignment pin is touched the second sensitive switch when ground connection groove on the first arcuate socket matches, and the first alignment pin is touched the 3rd sensitive switch when separating brake groove on the first arcuate socket matches; During the bottom of the second alignment pin in described the second arcuate socket, touch the 4th sensitive switch;
At gate-dividing state, press switch knob, switch knob starts the first motor reversal by the first relay, the first motor drives the first operating axis to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel, the first alignment pin is touched the first sensitive switch at closing position, the first sensitive switch normally-closed contact disconnects and cuts off the first motor reversal ring current, and the 3rd sensitive switch departs from the first closed forward loop of connecting the first motor of alignment pin control normally-closed contact simultaneously;
In "on" position, press opening button, opening button starts the first motor forward by the second relay K 2, the first motor drives the first operating axis to clockwise rotate by drive sprocket, chain, the first sprocket wheel, the first alignment pin is at open position touching the 3rd sensitive switch, the 3rd sensitive switch normally-closed contact disconnects and cuts off the first motor forward ring current, and the first sensitive switch departs from the first closed reversion loop of connecting the first motor of alignment pin control normally-closed contact simultaneously;
In "on" position, press ground connection and close button, ground connection is closed button and is started the second motor reversal by the 3rd relay, the second motor drives the second operating axis to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel, the first alignment pin is touched the second sensitive switch at earthing position, the normally-closed contact of the second sensitive switch disconnects and cuts off the second motor reversal ring current, and the 4th sensitive switch departs from the second closed forward loop of connecting the second motor of alignment pin control normally-closed contact simultaneously;
At ground state, press ground connection and divide button, ground connection divides button to pass through the 4th relay to start the second motor forward, the second motor passes through drive sprocket, chain, the second sprocket wheel drives the second operating axis to clockwise rotate, the second alignment pin is at closing position touching the 4th sensitive switch, the normally-closed contact of the 4th sensitive switch disconnects and cuts off the second motor forward ring current, the second sensitive switch departs from the first alignment pin and controls the closed reversion loop of connecting the second motor of normally-closed contact, the first alignment pin is touched the first sensitive switch at closing position simultaneously, the normally-closed contact of the first sensitive switch disconnects and cuts off the first motor reversal loop.By these mechanisms, arrange, make this operating mechanism can be compared with simple realization electric operating.
Further improve, described the 3rd sensitive switch is by the 5th Control the second motor power again, and the 3rd sensitive switch normally-closed contact cuts off the second motor power while disconnecting.To prevent misoperation.
Further improve, described the 4th sensitive switch is with a normally opened contact again, and described normally opened contact is serially connected in the electric power loop of the first motor, when described normally opened contact is closed, could connect the first motor power.To prevent misoperation.
Further improve, described the first alignment pin is touched the 3rd sensitive switch by a rocking bar when separating brake groove on the first arcuate socket matches again.Facilitate installation, the layout of the 3rd sensitive switch.
The utility model is owing to being articulated with the first operating axis and the second operating axis being parallel to each other on housing, the rotating shaft Joint of the first operating axis and tri-station isolating switch, the operation of employing twin shaft, affixed the first gear and an isolation limiting plate on the first operating axis, on the strip through hole of isolation limiting plate, be installed with the first alignment pin, the two ends of the first alignment pin connect on the first operating axis by two extension springs, on housing, be provided with the first arcuate socket, on the first arcuate socket, be disposed with combined floodgate groove, separating brake groove and ground connection groove match with the first alignment pin being through on isolation limiting plate strip through hole, affixed the second gear and connecting lever on the second operating axis, connecting lever connects one end of a Compress Spring by the second alignment pin, and the other end of Compress Spring is connected to housing, and the second alignment pin matches with the second arcuate socket on housing, the first gear is evenly equipped with engaging tooth on whole outer peripheral face simultaneously, the second gear arranges engaging tooth on part outer peripheral face, the disconnecting link of isolating switch is when combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear and the first gear does not match, the disconnecting link of isolating switch is when ground state, and the engaging tooth of the second gear just matches with the engaging tooth of the first gear.Separating brake and combined floodgate can utilize the first operating axis to complete like this, and ground connection and combined floodgate can utilize the second operating axis to complete, and structure is comparatively simple, low cost of manufacture; Spacing to the second operating axis to the spacing of the first operating axis and the second arcuate socket by combined floodgate groove, separating brake groove and ground connection groove on the first arcuate socket in addition, move comparatively reliably, guarantee to realize combined floodgate, separating brake and the touchdown accuracy of isolating switch.
On the other hand, because adopting twin shaft operation, by being set on housing, two motors drive respectively the first operating axis and the second operating axis to move, and can simple realization electric operating.The utility model also further solves the electric operating problem of operating mechanism.
Accompanying drawing explanation
Fig. 1 is that the utility model is applied in the stereogram on tri-station isolating switch;
Fig. 2 is the vertical view of the utility model hidden parts housing
Fig. 3 is that Fig. 2 is in the A-A of "on" position cutaway view;
Fig. 4 is that Fig. 2 is in the A-A of gate-dividing state cutaway view;
Fig. 5 is that Fig. 2 is in the A-A of ground state cutaway view;
Fig. 6 is the rearview of Fig. 2;
Fig. 7 is the utility model the first circuit for controlling motor figure;
Fig. 8 is the utility model the second circuit for controlling motor figure.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 6, a kind of operating mechanism of tri-station isolating switch, comprises housing 1, is articulated with rotating shaft 100 Joints of the first operating axis 2 of being parallel to each other and the second operating axis 3, the first operating axis 2 and tri-station isolating switch on housing 1;
Affixed the first gear 21 and an isolation limiting plate 22 on the first operating axis 2, isolation limiting plate 22 is provided with along the radially-arranged strip through hole 221 of the first operating axis 2, the first alignment pin 4 is housed on strip through hole 221, the two ends of the first alignment pin 4 are connected with one end of two extension springs 41 respectively, the other end of two extension springs 41 is connected on the first operating axis 2, on housing 1, be provided with the first arcuate socket 11, on the first arcuate socket 11, be disposed with combined floodgate groove 111, separating brake groove 112 and ground connection groove 113 match with the first alignment pin 4 being through on isolation limiting plate 22 strip through holes 221,
On the second operating axis 3 affixed the second gear 31 and with one end Joint of a connecting lever 32, connecting lever 32 other ends connect one end of a Compress Spring 6 by the second alignment pin 5, the other end of Compress Spring 6 is connected on housing 1, is provided with the second arcuate socket 12 and matches with the second alignment pin 5 on housing 1;
Connecting lever 32 and the second affixed one end of operating axis 3 outer surface are provided with a ground connection spacing preiection 321, be also provided with spacing preiection 222 and match with the ground connection spacing preiection 321 of connecting lever 32 on described isolation limiting plate 22;
Fig. 3 to Fig. 5 further shows, the first gear 21 is evenly equipped with engaging tooth on whole outer peripheral face, the second gear 31 arranges engaging tooth on part outer peripheral face, the disconnecting link 200 of isolating switch is when combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear 31 and the first gear 21 does not match, the disconnecting link 200 of isolating switch is when ground state, and the engaging tooth of the second gear 31 just matches with the engaging tooth of the first gear 21.
An affixed driving cam 7 also on described the first operating axis 2, housing 1 is equipped with a drive plate that can move left and right 8, on drive plate 8, be connected with the first interlock plate 81 moving up and down that matches with circuit breaker operation mechanism, when the first operating axis 2 turns to closing position, driving cam 7 moves to left drive plate 8, drive plate 8 moves down the first interlock plate 81, and the first interlock plate 81 can close a floodgate circuit breaker operation mechanism; When the first operating axis 2 turns to separating brake or earthing position, driving cam 7 departs from drive plate 8, and drive plate 8 moves to right and promotes and moves on the first interlock plate 81 under action of reset spring, the first interlock plate 81 locking circuit breaker operation mechanisms.At isolating switch circuit breaker under "on" position, could close a floodgate guaranteeing.
Before described the first operating axis 2, be provided with the first baffle plate 9, the first baffle plate 9 is connected with one end of second interlock plate 91, the other end of the second interlock plate 91 is connected on circuit breaker operation mechanism, circuit breaker is when "on" position, the second interlock plate 91 drives the first baffle plate 9 to block the front end of the first operating axis 2, circuit breaker is when gate-dividing state, and the second interlock plate 91 drives the first baffle plate 9 to shift out the front end of the first operating axis 2.To guarantee that circuit breaker is when the "on" position, isolating switch can not carry out separating brake.
During being above provided with second baffle 10, the first operating axis 2 and turning to separating brake or earthing position of described the second operating axis 3, described driving cam 7 drives second baffles 10 to shift out the front end of the second operating axis 3; When the first operating axis 2 turns to closing position, described driving cam 7 departs from second baffle 10, and second baffle 10 resets and blocks the front end of the second operating axis 3.Further prevent misoperation.
The interlocking connecting lever 13 of an affixed cabinet door also on described the second operating axis 3, when the second operating axis 3 turns to earthing position, described interlocking connecting lever 13 switch cabinet door are carried out release, when the second operating axis 3 turns to ungrounded position, and described interlocking connecting lever 13 latch switch cabinet doors.Guarantee just can open cabinet door at ground state.
The first motor 14 and the second motor 15 are housed on described housing 1, on the first operating axis 2, be also connected with the first sprocket wheel 23, the first motor 14 is connected the first sprocket wheel 23 with a chain by a drive sprocket, on the second operating axis 3, be also connected with the second sprocket wheel 33, the second motors 15 and also by a drive sprocket, be connected the second sprocket wheel 33 with a chain;
On housing 1, be equipped with that switch knob SB1, opening button SB2, ground connection are closed button SB3, ground connection is divided button SB4 and the first sensitive switch S1, the second sensitive switch S2, the 3rd sensitive switch S3 and the 4th sensitive switch S4;
The first alignment pin 4 is touched the first sensitive switch S1 when combined floodgate groove 111 on the first arcuate socket 11 matches, the first alignment pin 4 is touched the second sensitive switch S2 when ground connection groove 113 on the first arcuate socket 11 matches, the first alignment pin 4 when separating brake groove 112 on the first arcuate socket 11 matches by rocking bar 42 touching the 3rd sensitive switch S3; The second alignment pin 5 is touched the 4th sensitive switch S4 when the bottom in described the second arcuate socket 12;
Shown in the circuit diagram of Fig. 7, Fig. 8, at gate-dividing state, press switch knob SB1, switch knob SB1 starts the first motor 14 reversions by the first relay K 1, the first motor 14 drives the first operating axis 2 to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel 23, the first alignment pin 4 is touched the first sensitive switch S1 at closing position and is cut off the first motor 14 reversion ring currents, and the 3rd sensitive switch S3 departs from the forward loop that the first alignment pin 4 is controlled the closed connection of normally-closed contact the first motor 14 simultaneously;
In "on" position, press opening button SB2, opening button SB2 starts the first motor 14 forwards by the second relay K 2, the first motor 14 drives the first operating axis 2 to clockwise rotate by drive sprocket, chain, the first sprocket wheel 23, the first alignment pin 4 is at open position touching the 3rd sensitive switch S3, the 3rd sensitive switch S3 normally-closed contact disconnects and cuts off the first motor 14 forward ring currents, and the first sensitive switch S1 departs from the first alignment pin 4 closed reversion loops of connecting the first motor 14 of control normally-closed contact simultaneously;
In "on" position, press ground connection and close button SB3, ground connection is closed button SB3 and is controlled the second motor 15 reversions by the 3rd relay K 3, the second motor 15 drives the second operating axis 3 to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel 33, the first alignment pin 4 is touched the second sensitive switch S2 at earthing position, the second sensitive switch S2 normally-closed contact disconnects and cuts off the second motor 15 reversion ring currents, and the 4th sensitive switch S4 departs from the second alignment pin 5 closed forward loops of connecting the second motor 15 of control normally-closed contact simultaneously;
At ground state, press ground connection and divide button SB4, ground connection divides button SB4 to control the second motor 15 forwards by the 4th relay K 4, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to clockwise rotate, the second alignment pin 5 is at closing position touching the 4th sensitive switch S4, the normally-closed contact of the 4th sensitive switch S4 disconnects and cuts off the second motor 15 forward ring currents, the second sensitive switch S2 departs from the first alignment pin 4 and controls the closed reversion loop of connecting the second motor 15 of normally-closed contact, the first alignment pin 4 is touched the first sensitive switch S1 at closing position simultaneously, the normally-closed contact of the first sensitive switch S1 disconnects and cuts off the first motor 14 reversion loops.
Described the 3rd sensitive switch S3 controls the second motor 15 power supplys by the 5th relay K 5, and the 3rd sensitive switch S3 normally-closed contact cuts off the second motor 15 power supplys while disconnecting.Guarantee under gate-dividing state, to start the second motor 15, avoid separating brake mistiming ground connection.
Described the 4th sensitive switch S4 is with a normally opened contact, and described normally opened contact S4 is serially connected in the electric power loop of the first motor 14, and described normally opened contact S4 could connect the power supply of the first motor 14 when closed.Guarantee to prevent misoperation separating brake and combined floodgate when ground state.
Described driving cam 7 also connects isolating switch operating state indicator board 16 by a connecting rod.
Operation principle of the present utility model is as follows:
One, during manual operation state:
Shown in Fig. 3, Fig. 2, the disconnecting link 200 of isolating switch is in "on" position, the second alignment pin 5 that now connects connecting lever 32 and Compress Spring 6 matches with the bottom of the second arcuate socket 12 on housing 1, and the second operating axis 3, connecting lever 32 are positioned under Compress Spring 6 compression force; Two extension springs 41 are simultaneously held the first alignment pin 4 and are engaged on the combined floodgate groove 111 on the first arcuate socket 11, isolation limiting plate 22 is positioned on closing position, the first operating axis 2 is also and then positioned, the first operating axis 2 drives rotating shaft 100 location of tri-station isolating switch, and rotating shaft 100 drives the disconnecting link 200 of isolating switch to turn to closing position;
In the time of now if isolating switch disconnecting link 200 need to being turned to open position from closing position, as shown in Figure 4, can utilize handle to entangle the first operating axis 2 and clockwise rotate the first operating axis 2, while arriving open position, two extension springs 41 are held again the first alignment pin 4 and are engaged on the separating brake groove 112 on the first arcuate socket 11, isolation limiting plate 22 is positioned on open position, equally, the first operating axis 2 is also and then positioned, the first operating axis 2 drives rotating shaft 100 location of tri-station isolating switch, and rotating shaft 100 drives the disconnecting link 200 of isolating switch to turn to open position; In addition, due under gate-dividing state, spacing preiection 222 tops on isolation limiting plate 22 are limited to ground connection spacing preiection 321, the first operating axis 2 of connecting lever 32, cannot continue to clockwise rotate again, can not carry out ground connection operation;
In the time of if isolating switch disconnecting link 200 need to being turned to earthing position from open position, as shown in Figure 5, can utilize handle to entangle the second operating axis 3 rotates counterclockwise the second operating axis 3 and passes through connecting lever 32, the second alignment pin 5 extruding Compress Springs 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 rotates counterclockwise fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to clockwise rotate fast, while arriving earthing position, two extension springs 41 are held again the first alignment pin 4 and are engaged on the ground connection groove 113 on the first arcuate socket 11, isolation limiting plate 22 is positioned on earthing position, the first operating axis 2 drives the rotating shaft 100 of tri-station isolating switch to clockwise rotate rapidly simultaneously, rotating shaft 100 drives the disconnecting link 200 of isolating switch to clockwise rotate rapidly on the earthing contact 300 that joins isolating switch to, isolating switch disconnecting link 200 is just in earthing position,
In the time of if isolating switch disconnecting link 200 need to being switched to closing position again from earthing position, can utilize handle to entangle the second operating axis 3 clockwise rotates the second operating axis 3 and passes through connecting lever 32, the second alignment pin 5 extruding Compress Springs 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 clockwise rotates fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to rotate counterclockwise fast, the first operating axis 2 drives the rotating shaft 100 of tri-station isolating switch to rotate counterclockwise rapidly, rotating shaft 100 drives the disconnecting link 200 of isolating switch to rotate counterclockwise rapidly closing position, now two extension springs 41 are held the first alignment pin 4 and are engaged on the combined floodgate groove 111 on the first arcuate socket 11, isolation limiting plate 22 is positioned on closing position, get back to Fig. 3 "on" position.
Two, during electric operating state:
As shown in Fig. 6, Fig. 7, Fig. 8, isolating switch disconnecting link 200 is when "on" position, first alignment pin 4 touching the first sensitive switch S1, the normally-closed contact of the first sensitive switch S1 disconnects, the second alignment pin 5 touching the 4th sensitive switch S4, the normally-closed contact of the 4th sensitive switch S4 disconnects, normally opened contact is connected the first motor 14 can be operated, and the second sensitive switch S2 and the 3rd sensitive switch S3 depart from the first alignment pin 4 controls simultaneously, and normally-closed contact is closed;
Now as isolating switch disconnecting link 200 need to be turned to open position from closing position time, press opening button SB2, the second relay K 2 obtains electric startup the first motor 14 forwards, the first motor 14 passes through drive sprocket, chain, the first sprocket wheel 23 drives the first operating axis 2 to clockwise rotate, the first operating axis 2 just can drive the disconnecting link 200 of isolating switch to turn to open position by the rotating shaft 100 of tri-station isolating switch, now the first alignment pin 4 departs from the first sensitive switch S1, the closed reversion loop of connecting the first motor 14 of normally-closed contact of the first sensitive switch S1, the first alignment pin 4 is by rocking bar 42 touching the 3rd sensitive switch S3 simultaneously, the normally-closed contact of the 3rd sensitive switch S3 disconnects the power supply that cuts off the first motor 14, the 3rd sensitive switch S3 makes the 5th relay K 5 dead electricity cut off the second motor 15 power supplys simultaneously, prevent grounding misoperation,
Now as will be again closed a floodgate, as long as press switch knob SB1, the first relay K 1 obtains electric, start the first motor 14 reversions, the first motor 14 passes through drive sprocket, chain, the first sprocket wheel 23 drives the first operating axis 2 to rotate counterclockwise, the first operating axis 2 just drives the disconnecting link 200 of isolating switch to turn to again closing position by the rotating shaft 100 of tri-station isolating switch, the first alignment pin 4 is touched again the first sensitive switch S1, the normally-closed contact of the first sensitive switch S1 disconnects and cuts off the first motor 14 power supplys, the first alignment pin 4 departs from after the 3rd sensitive switch S3 simultaneously, the 3rd sensitive switch S3 normally-closed contact is closed, by the 5th relay K 5, the second motor 15 can be operated,
Now as isolating switch disconnecting link 200 need to be turned to earthing position from closing position time, press ground connection and close button SB3, the 3rd relay K 3 obtains electric startup the second motor 15 reversions, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to rotate counterclockwise, the second operating axis 3 is by connecting lever 32, the second alignment pin 5 extruding Compress Springs 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 rotates counterclockwise fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to clockwise rotate fast, the first operating axis 2 drives the rotating shaft 100 of tri-station isolating switch to clockwise rotate rapidly, rotating shaft 100 drives the disconnecting link 200 of isolating switch to clockwise rotate rapidly on the earthing contact 300 that joins isolating switch to, isolating switch disconnecting link 200 is just in earthing position, now the second alignment pin 5 departs from the 4th sensitive switch S4, the closed forward loop of connecting the second motor of normally-closed contact of S4, and the normally opened contact of S4 disconnects and cuts off the first motor 14 power supplys simultaneously, prevents misoperation.Now the first alignment pin 4 is touched the second sensitive switch S2, and the second sensitive switch S2 normally-closed contact disconnects and cuts off the second motor 15 power supplys.
When needs are switched to closing position isolating switch disconnecting link 200 again from earthing position, press ground connection and divide button SB4, the 4th relay K 4 obtains electric startup the second motor 15 forwards, the second motor 15 passes through drive sprocket, chain, the second sprocket wheel 33 drives the second operating axis 3 to clockwise rotate, the second operating axis 3 is by connecting lever 32, the second alignment pin 5 extruding Compress Springs 6, when Compress Spring 6 is crossed after flex point, Compress Spring 6 discharges rapidly and promotes the second operating axis 3, the second gear 31 clockwise rotates fast, the second gear 31 just drives the first gear 21 and the first operating axis 2 to rotate counterclockwise fast, the first operating axis 2 drives the rotating shaft 100 of tri-station isolating switch to rotate counterclockwise rapidly, rotating shaft 100 just drives the disconnecting link 200 of tri-station isolating switch to close a floodgate rapidly.Now the second alignment pin 5 is touched the 4th sensitive switch S4, the normally-closed contact of S4 disconnects cut-out the second motor 15 power supplys, normally opened contact closure can operate the first motor 14, the first alignment pin 4 is touched the first sensitive switch S1 simultaneously, and the normally-closed contact of the first sensitive switch S1 disconnects the reversion loop that cuts off the first motor 14.Guarantee handling safety.
The combined floodgate of tri-station isolating switch, separating brake and three kinds of operating states of ground connection can be by described indicator board 16 indications.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection range of this case.
Claims (10)
1. an operating mechanism for tri-station isolating switch, comprises housing, it is characterized in that:
On housing, be articulated with the first operating axis and the second operating axis that are parallel to each other, the rotating shaft Joint of the first operating axis and tri-station isolating switch;
Affixed the first gear and an isolation limiting plate on the first operating axis, isolation limiting plate is provided with along the radially-arranged strip through hole of the first operating axis, on strip through hole, be installed with the first alignment pin, the two ends of the first alignment pin are connected with one end of two extension springs respectively, the other end of two extension springs is connected on the first operating axis, on housing, be provided with the first arcuate socket, on the first arcuate socket, be disposed with combined floodgate groove, separating brake groove and ground connection groove and match with the first alignment pin being through on isolation limiting plate strip through hole;
On the second operating axis affixed the second gear and with one end Joint of a connecting lever, the connecting lever other end connects one end of a Compress Spring by the second alignment pin, the other end of Compress Spring is connected on housing, is also provided with the second arcuate socket and matches with the second alignment pin on housing;
The first gear is evenly equipped with engaging tooth on whole outer peripheral face, the second gear arranges engaging tooth on part outer peripheral face, the disconnecting link of isolating switch is when combined floodgate and gate-dividing state, the engaging tooth of the engaging tooth of the second gear and the first gear does not match, the disconnecting link of isolating switch is when ground state, and the engaging tooth of the second gear just matches with the engaging tooth of the first gear.
2. the operating mechanism of a kind of tri-station isolating switch according to claim 1, it is characterized in that: described connecting lever and the affixed one end of the second operating axis outer surface are provided with a ground connection spacing preiection, on described isolation limiting plate, be also provided with spacing preiection and match with the ground connection spacing preiection of connecting lever.
3. the operating mechanism of a kind of tri-station isolating switch according to claim 1, it is characterized in that: an affixed driving cam also on described the first operating axis, housing is equipped with a drive plate that can move left and right, on drive plate, be connected with the first interlock plate moving up and down that matches with circuit breaker operation mechanism, when the first operating axis turns to closing position, driving cam moves to left drive plate, and drive plate moves down the first interlock plate, and the first interlock plate can close a floodgate circuit breaker operation mechanism; When the first operating axis turns to separating brake or earthing position, driving cam departs from drive plate, and drive plate moves to right and promotes and moves on the first interlock plate under action of reset spring, the first interlock plate locking circuit breaker operation mechanism.
4. the operating mechanism of a kind of tri-station isolating switch according to claim 3, it is characterized in that: before described the first operating axis, be provided with the first baffle plate, the first baffle plate is connected with one end of second interlock plate, the other end of the second interlock plate is connected on circuit breaker operation mechanism, circuit breaker is when "on" position, the second interlock plate drives the first baffle plate to block the front end of the first operating axis, circuit breaker is when gate-dividing state, and the second interlock plate drives the first baffle plate to shift out the front end of the first operating axis.
5. the operating mechanism of a kind of tri-station isolating switch according to claim 3, it is characterized in that: before described the second operating axis, be provided with second baffle, when the first operating axis turns to separating brake or earthing position, described driving cam drives second baffle to shift out the front end of the second operating axis; When the first operating axis turns to closing position, described driving cam departs from second baffle, and second baffle resets and blocks the front end of the second operating axis.
6. the operating mechanism of a kind of tri-station isolating switch according to claim 1, it is characterized in that: the interlocking connecting lever of an affixed cabinet door also on described the second operating axis, when the second operating axis turns to earthing position, described interlocking connecting lever switch cabinet door is carried out release, when the second operating axis turns to ungrounded position, described interlocking connecting lever latch switch cabinet door.
7. according to the operating mechanism of a kind of tri-station isolating switch described in claim 1 to 6 any one, it is characterized in that: the first motor and the second motor are housed on described housing, on the first operating axis, be also connected with the first sprocket wheel, the first motor is connected the first sprocket wheel by a drive sprocket with a chain, on the second operating axis, be also connected with the second sprocket wheel, the second motor is also connected the second sprocket wheel by a drive sprocket with a chain;
On housing, be equipped with that switch knob, opening button, ground connection close button, ground connection is divided button and the first sensitive switch, the second sensitive switch, the 3rd sensitive switch and the 4th sensitive switch;
The first alignment pin is touched the first sensitive switch when combined floodgate groove on the first arcuate socket matches, the first alignment pin is touched the second sensitive switch when ground connection groove on the first arcuate socket matches, and the first alignment pin is touched the 3rd sensitive switch when separating brake groove on the first arcuate socket matches; During the bottom of the second alignment pin in described the second arcuate socket, touch the 4th sensitive switch;
At gate-dividing state, press switch knob, switch knob starts the first motor reversal by the first relay, the first motor drives the first operating axis to rotate counterclockwise by drive sprocket, chain, the first sprocket wheel, the first alignment pin is touched the first sensitive switch at closing position, the first sensitive switch normally-closed contact disconnects and cuts off the first motor reversal ring current, and the 3rd sensitive switch departs from the first closed forward loop of connecting the first motor of alignment pin control normally-closed contact simultaneously;
In "on" position, press opening button, opening button starts the first motor forward by the second relay K 2, the first motor drives the first operating axis to clockwise rotate by drive sprocket, chain, the first sprocket wheel, the first alignment pin is at open position touching the 3rd sensitive switch, the 3rd sensitive switch normally-closed contact disconnects and cuts off the first motor forward ring current, and the first sensitive switch departs from the first closed reversion loop of connecting the first motor of alignment pin control normally-closed contact simultaneously;
In "on" position, press ground connection and close button, ground connection is closed button and is started the second motor reversal by the 3rd relay, the second motor drives the second operating axis to rotate counterclockwise by drive sprocket, chain, the second sprocket wheel, the first alignment pin is touched the second sensitive switch at earthing position, the normally-closed contact of the second sensitive switch disconnects and cuts off the second motor reversal ring current, and the 4th sensitive switch departs from the second closed forward loop of connecting the second motor of alignment pin control normally-closed contact simultaneously;
At ground state, press ground connection and divide button, ground connection divides button to pass through the 4th relay to start the second motor forward, the second motor passes through drive sprocket, chain, the second sprocket wheel drives the second operating axis to clockwise rotate, the second alignment pin is at closing position touching the 4th sensitive switch, the normally-closed contact of the 4th sensitive switch disconnects and cuts off the second motor forward ring current, the second sensitive switch departs from the first alignment pin and controls the closed reversion loop of connecting the second motor of normally-closed contact, the first alignment pin is touched the first sensitive switch at closing position simultaneously, the normally-closed contact of the first sensitive switch disconnects and cuts off the first motor reversal loop.
8. the operating mechanism of a kind of tri-station isolating switch according to claim 7, is characterized in that: described the 3rd sensitive switch is by the 5th Control the second motor power, and the 3rd sensitive switch normally-closed contact cuts off the second motor power while disconnecting.
9. the operating mechanism of a kind of tri-station isolating switch according to claim 7, it is characterized in that: described the 4th sensitive switch is with a normally opened contact, described normally opened contact is serially connected in the electric power loop of the first motor, when described normally opened contact is closed, could connect the first motor power.
10. the operating mechanism of a kind of tri-station isolating switch according to claim 7, is characterized in that: described the first alignment pin when separating brake groove on the first arcuate socket matches by rocking bar touching the 3rd sensitive switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279667.5U CN203871254U (en) | 2014-05-29 | 2014-05-29 | Operating mechanism of three-station isolation switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279667.5U CN203871254U (en) | 2014-05-29 | 2014-05-29 | Operating mechanism of three-station isolation switch |
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| CN203871254U true CN203871254U (en) | 2014-10-08 |
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| CN201420279667.5U Expired - Lifetime CN203871254U (en) | 2014-05-29 | 2014-05-29 | Operating mechanism of three-station isolation switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105206442A (en) * | 2015-10-21 | 2015-12-30 | 福州大学 | Three-station switch release mechanism and method |
| CN104658805B (en) * | 2015-02-04 | 2016-10-05 | 宁波舜利高压开关科技有限公司 | The most rotary three position mechanism of dual operation axle |
| CN106328423A (en) * | 2016-08-31 | 2017-01-11 | 中国西电电气股份有限公司 | Three-position isolation switch operating mechanism |
| CN106783358A (en) * | 2015-11-20 | 2017-05-31 | 常州阿斯博开关有限公司 | A kind of isolation knife interlocking operation mechanism |
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| CN108364819A (en) * | 2018-04-26 | 2018-08-03 | 浙江华仪电器科技有限公司 | A kind of isolator operation device and the disconnecting switch with it |
| CN109216095A (en) * | 2018-10-24 | 2019-01-15 | 深圳市英豪电力科技有限公司 | A kind of operating mechanism of three-station |
| CN113867248A (en) * | 2021-09-18 | 2021-12-31 | 北京理工大学 | Multistage interlocking circuit based on multistage cam interlocking structure |
| CN114068229A (en) * | 2021-11-19 | 2022-02-18 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for circuit breaker for switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104658805B (en) * | 2015-02-04 | 2016-10-05 | 宁波舜利高压开关科技有限公司 | The most rotary three position mechanism of dual operation axle |
| CN105206442A (en) * | 2015-10-21 | 2015-12-30 | 福州大学 | Three-station switch release mechanism and method |
| CN106783358A (en) * | 2015-11-20 | 2017-05-31 | 常州阿斯博开关有限公司 | A kind of isolation knife interlocking operation mechanism |
| CN107403704A (en) * | 2016-05-19 | 2017-11-28 | 通用电器技术有限公司 | Mutual interlocking gear for the earthed switch of gas insulated transformer substation |
| CN106328423A (en) * | 2016-08-31 | 2017-01-11 | 中国西电电气股份有限公司 | Three-position isolation switch operating mechanism |
| CN108364819A (en) * | 2018-04-26 | 2018-08-03 | 浙江华仪电器科技有限公司 | A kind of isolator operation device and the disconnecting switch with it |
| CN108364819B (en) * | 2018-04-26 | 2023-11-24 | 浙江华仪电器科技有限公司 | Isolating switch operating device and isolating switch with same |
| CN109216095A (en) * | 2018-10-24 | 2019-01-15 | 深圳市英豪电力科技有限公司 | A kind of operating mechanism of three-station |
| CN113867248A (en) * | 2021-09-18 | 2021-12-31 | 北京理工大学 | Multistage interlocking circuit based on multistage cam interlocking structure |
| CN113867248B (en) * | 2021-09-18 | 2023-10-17 | 北京理工大学 | Multistage interlocking circuit based on multistage cam interlocking structure |
| CN114068229A (en) * | 2021-11-19 | 2022-02-18 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for circuit breaker for switch cabinet |
| CN114068229B (en) * | 2021-11-19 | 2024-01-02 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for breaker for switch cabinet |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Operation mechanism of isolating switches at three positions Effective date of registration: 20180530 Granted publication date: 20141008 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: XIAMEN XEC ELECTRIC Co.,Ltd. Registration number: 2018990000420 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200120 Granted publication date: 20141008 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: XIAMEN XEC ELECTRIC Co.,Ltd. Registration number: 2018990000420 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |