CN203774147U - Electric main shaft push-in-type grounding switch - Google Patents
Electric main shaft push-in-type grounding switch Download PDFInfo
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- CN203774147U CN203774147U CN201320889936.5U CN201320889936U CN203774147U CN 203774147 U CN203774147 U CN 203774147U CN 201320889936 U CN201320889936 U CN 201320889936U CN 203774147 U CN203774147 U CN 203774147U
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Abstract
The utility model discloses an electric main shaft push-in-type grounding switch comprising an operation box which comprises a shell; and a connecting rod which is arranged between the operation box and a ground knife of the grounding switch. The operation box drives a moving knife and a static knife of the ground knife to be closed and switched via enabling the connecting rod to move. The electric main shaft push-in-type grounding switch is characterized in that the operation box also comprises a screw rod mechanism and a motor. The screw rod mechanism is arranged in the shell and connected with the connecting rod via a slide nut. The motor drives the screw rod mechanism so as to enable the connecting rod to move. Compared with a hand-operated main shaft push-in-type grounding switch, a completely different controlling and interlocking conception is adopted on the moving knife by the operation box of the electric main shaft push-in-type grounding switch so that the scheme is simple, practical, reliable and high in commercial value.
Description
Technical field
The utility model relates to a kind of earthed switch, relates in particular to a kind of main shaft push-in type earthed switch.
Background technology
Earthed switch is usually installed in switch cubicle, and its basic function is separating brake in the time that cabinet door is closed, and the equipment of realizing disconnects with ground, and closes a floodgate in the time that cabinet door is opened, and realizes equipment ground, thereby ensures equipment security of operation and personal safety.
Existing earthed switch has two kinds of structures, and one is that main shaft is rotary, another kind of main shaft push-in type.
The electronic scheme of the revolving earthed switch of main shaft has two main shortcomings: while one, having making capability, mechanical endurance is not high; Two, because actuating force is large, so reducing gear more complicated, part is larger, and failure rate is higher, is not easy maintenance.
The earthed switch of main shaft push-in type does not have electronic scheme at present, because it is very complicated to realize electronic scheme, for example two motors of minimum needs could be realized electronic, and motor coordinates complicated.If it is electronic that main shaft push-in type earthed switch can be realized, more have superiority than the rotary earthed switch of main shaft so, its reason has two: one, push-in type employing screw rod transmission, more laborsaving; Two, there is simpler transmission mechanism, and easily safeguard.
Fig. 1-12 illustrate the earthed switch of the manual main shaft push-in type of prior art, and this earthed switch carrys out cutter over the ground by manual actuation screw body 10 and carries out separating brake and combined floodgate.As illustrated in fig. 1 and 2, earthed switch is arranged on the bottom of switch cubicle, is circuit breaker trolley and median septum on it.Again referring to Fig. 3 and 4, this earthed switch comprise operating case A, cutter B, insulated terminal, this operating case by screw body 10, connecting rod 8 and control leverage 9 ' over the ground the moving knife of cutter control, thereby control ground cutter platform separating brake and combined floodgate.As shown in Figure 7, this earthed switch utilizes three station change over switches 20 to be connected to control manual startup and interlocking with control leverage 9 '.Fig. 9 is the stereogram of the indicating mechanism of operating case A, and the part that illustrated right-hand member revolving meber connects is also to control leverage 9 ', and this indicating mechanism utilizes the rotation of right part cambered surface and realizes the state with symbol instruction earthed switch.Figure 10 is the stereogram of ground cutter B and insulation cross-talk.Figure 11 is the stereogram of moving knife.Figure 12 demonstrates being connected between three station change over switches 20 and screw mandrel 10 and moving knife.
Summary of the invention
The object of the utility model is to provide a kind of electronic main shaft push-in type earthed switch.
Thus, the utility model provides a kind of electronic main shaft push-in type earthed switch, comprising: operating case, comprises housing; And connecting rod between the ground of operating case and described earthed switch cutter, operating case drives the moving knife of ground cutter and quiet cutter to close a floodgate and separating brake by described connecting rod is moved, it is characterized in that, operating case also comprises screw body and a motor, this screw body is arranged in described housing and via sliding nut and is connected with described connecting rod, this motor drives screw body, thereby described connecting rod is moved.
Preferably, described operating case also comprises guidance panel, and this guidance panel is arranged in a side of described housing, and described motor is arranged on the opposite side relative with an aforementioned side of described housing.
Preferably, described screw body also comprises manual operation end, make it possible to manually operate described screw body by the guidance panel of operating case, thus the combined floodgate of cutter and separating brake manually.Described operating case also comprises manual blocking lever, this manual blocking lever comprises interlocking shaft and blocking lever baffle plate, this blocking lever baffle plate is arranged on one end of interlocking shaft regularly can shelter from the manual operation hole in the guidance panel of described operating case by rotation, this manual blocking lever is arranged in described housing, by manually rotating the described one end in the guidance panel that is arranged on described operating case of this manual blocking lever, can make this manual blocking lever around self axis rotation, and this manual blocking lever can utilize elastic component to automatically reset, after this manual blocking lever is manually rotated, the rotation of this manual blocking lever can make the included sensitive switch action of described operating case, described motor and screw body are threaded off.
Preferably, described operating case also comprises the first interlocking device, for prevent the circuit breaker of switch cubicle enter behind service position cutter can closing by hand, this first interlocking device comprises countercheck rod and applies prestressed spring to this countercheck rod.When the circuit breaker of switch cubicle is during in test position, the dolly of circuit breaker overcomes prestressing force that described spring applies and to countercheck rod described in lower compression, makes described countercheck rod self.Groove or bending can be given the groove of described interlocking shaft or the lug boss slot milling that described manual blocking lever has, thereby described manual blocking lever can be pivoted, and then described blocking lever baffle plate can allow by described manual operation hole screw body described in manual operation; And enter behind service position at the circuit breaker of switch cubicle, described countercheck rod under the prestressing force effect of described spring in a state of nature, the front end of described countercheck rod can stop the groove of described interlocking shaft or the lug boss that described interlocking shaft has, described manual blocking lever can not be manually turned, thus can prevent circuit breaker enter behind service position cutter by closing by hand.
Preferably, the guidance panel of described operating case also comprises can pin at diverse location the lock of described one end of described interlocking shaft, with manual operation or the electric operating of operating case described in locking.
Preferably, described operating case also comprises the second interlocking device, for make after the Qianmen of switch cubicle is closed cutter could separating brake, this second interlocking device comprises Qianmen constrictor and is arranged at described blocking lever stop part with it, described Qianmen constrictor has elastic component and stop part.In the time that open at described Qianmen, the prestressing force of described elastic component makes described Qianmen constrictor stretch out towards described Qianmen, thereby described stop part is controlled described stop part, described manual blocking lever can not be rotated, and then described in can not manual operation, screw body make ground cutter separating brake; After described Qianmen is closed, the prestressing force that described Qianmen overcomes described elastic component moves described Qianmen constrictor backward, make described stop part discharge described stop part, thereby described manual blocking lever can rotate, and then described in can manual operation, screw body make ground cutter separating brake.
Preferably, described operating case also comprises control leverage, and one end of this control leverage is connected with the support arm of the rotating shaft of the moving knife of described ground cutter, and rotatablely moving of described rotating shaft is converted into the linear movement in operating case.
Preferably, described operating case also comprises tri-interlocking device, be pushed into service position for the dolly that prevents the circuit breaker of switch cubicle after ground cutter closes a floodgate, this tri-interlocking device comprises and is arranged in described housing and is fixed on the barrier sheet that this control lever is fastened, along with moving knife rotates and closes a floodgate with quiet cutter, described barrier sheet moves to such ad-hoc location with this control leverage: at this ad-hoc location, described barrier sheet can match with the stop part on described dolly, is pushed into service position to stop described dolly.
Preferably, the other end of this control leverage is fixed with indicator board, with combined floodgate and the separating brake of the cutter that lands, by means of the movement of this control leverage, the symbol on this indicator board or color can represent that ground cutter is in "on" position or gate-dividing state by the opening in described guidance panel.
Preferably, described indicator board has the slotted eye of vertical direction and the slotted eye between vertical direction and horizontal direction, in described housing, be fixed with the directing pin that matches with the slotted eye of described vertical direction, the described other end of described control leverage be fixed with the directing pin that matches of the slotted eye between vertical direction and horizontal direction, make in the time that described control leverage moves, described indicator board can move by the vertical direction, to pass through symbol or the explicitly state of cutter of color on this indicator board.
Preferably, described operating case comprises the sensitive switch of the stroke for controlling described motor, described sensitive switch comprises combined floodgate sensitive switch and separating brake sensitive switch, described control lever frenulum has sensitive switch to touch part, when local cutter closes a floodgate, along with the movement of described control leverage, described sensitive switch touches part and touches described combined floodgate sensitive switch and make described motor stalling, and when local cutter separating brake, along with the movement of described control leverage, described sensitive switch touches part and touches described separating brake sensitive switch and make described motor stalling.
Preferably, described operating case also comprises tetrad latch mechanism, can open for preventing the Qianmen of switch cubicle after ground cutter separating brake, this tetrad latch mechanism comprises swingle, the rotating shaft of this swingle is arranged on described housing, and one end of this swingle is connected actively with the sliding nut of described screw body, thus, along with described sliding nut moves and makes described ground cutter separating brake, the other end of this swingle rotates and hooks described Qianmen around described rotating shaft, and described Qianmen after ground cutter separating brake can not be opened.
Preferably, described operating case is integrated in the median septum of switch cubicle.
By the deep research to main shaft push-in type earthed switch, inventor of the present utility model has proposed the electronic main shaft push-in type earthed switch that scheme is simple, practical and reliable, commercial value is high.Compared with manual main shaft push-in type earthed switch, the operating case of electronic main shaft push-in type earthed switch of the present utility model has adopted diverse control and interlocking design to moving knife.The utility model has obtained following technique effect.
1. electronic all laborsaving than on market, rotating torque is less than 25Nm, and electric device can share with chassis vehicle the motor of same model.
2. type of drive is simple in structure, thereby reliability is high, and cost is low.
3. operating case compact size, can be integrated in median septum, thereby can be widely applied to KYN switch cubicle.
4. operating case has brand-new interlocking device, has following advantage:
1) prevent from being strayed into dolly, grounding switch main shaft master closes point position directly and circuit breaker cart contacts, than simple by three station change over switches before;
2) prevent from opening by mistake Qianmen, Active Locking Qianmen, than three stations are direct before;
3) manual and electric switches, and does not increase any part, and the pressing of long-life design, and operating case does not before have this function;
4) can hang many locks, and can lock electronicly, there is no this function before;
5) prevent that circuit breaker from shaking the fashionable earthed switch that closes, simpler than interlocking before, because circuit breaker before also will have special three stations to coordinate, on circuit breaker, do not need whatever to do now;
6) the mechanical deixis directly driving, indicates part still less than machinery before, than preventing before interior arcing.
Brief description of the drawings
Fig. 1 is the stereogram of the switch cubicle of prior art.
Fig. 2 is the end view of the switch cubicle of prior art.
Fig. 3 is the vertical view of the manual main shaft push-in type earthed switch of prior art.
Fig. 4 is the end view of the manual main shaft push-in type earthed switch of prior art.
Fig. 5 is the left side view of the operating case of the manual main shaft push-in type earthed switch of prior art.
Fig. 6 is the right side view of the operating case of the manual main shaft push-in type earthed switch of prior art.
Fig. 7 is the stereogram of the operating case housing with three station change over switches of prior art.
Fig. 8 is the stereogram of the screw mandrel of the operating case of prior art.
Fig. 9 is the stereogram of the indicating mechanism of the operating case of prior art.
Figure 10 is the ground cutter of manual main shaft push-in type earthed switch and the stereogram of insulation cross-talk of prior art.
Figure 11 is the stereogram of the moving knife of the manual main shaft push-in type earthed switch of prior art.
Figure 12 is stereogram, being connected between three station change over switches of the manual main shaft push-in type earthed switch of demonstration prior art and screw mandrel and moving knife.
Figure 13 is the stereogram according to switch cubicle of the present utility model, and it is provided with according to electronic main shaft push-in type earthed switch of the present utility model.
Figure 14 is the amplification view of the operating case panel of the main shaft push-in type earthed switch shown in Figure 13.
Figure 15 be mounted on median septum according to the end view of electronic main shaft push-in type earthed switch of the present utility model.
Figure 16 is the stereogram of median septum.
Figure 17 is according to the end view of electronic main shaft push-in type earthed switch of the present utility model.
Figure 18 is according to the vertical view of electronic main shaft push-in type earthed switch of the present utility model.
Figure 19 is the stereogram according to operating case of the present utility model.
Figure 20 is the end view according to operating case of the present utility model.
Figure 21 is according to the plane graph of operating case panel of the present utility model.
Figure 22 is the vertical view according to operating case of the present utility model.
Figure 23 is according to the stereogram of screw body of the present utility model and motor.
Figure 24 is according to the stereogram of manual blocking lever of the present utility model and screw body.
Figure 25 is according to the stereogram of the first interlocking device of the present utility model.
Figure 26 is according to the plane graph of tetrad latch mechanism of the present utility model.
Figure 27 is according to the stereogram of the second interlocking device of the present utility model.
Figure 28 shows according to the stereogram of the cooperation between manual blocking lever and the sensitive switch being arranged on housing of the present utility model.
Figure 29 is according to the stereogram of tri-interlocking device of the present utility model.
Figure 30 is stereogram, show according to being connected between control leverage of the present utility model and moving knife, wherein at the other end of this control leverage with indicator board.
Figure 31 is end view, show according to being connected between control leverage of the present utility model and moving knife, wherein at the other end of this control leverage with indicator board.
Figure 32 is partial perspective view, shows according to of the present utility model and pins and control leverage with lock.
Embodiment
The embodiment of electronic main shaft push-in type earthed switch of the present utility model is described hereinafter, with reference to the accompanying drawings.
Being specific embodiment of the present utility model at the embodiment of this record, for design of the present utility model is described, is all explanatory and exemplary, should not be construed as the restriction to the utility model execution mode and the utility model scope.Except the embodiment of this record, those skilled in the art can also adopt apparent other technical scheme based on the application's claims and the disclosed content of specification, and these technical schemes comprise the technical scheme of making any apparent substitutions and modifications adopting the embodiment in this record.
The accompanying drawing of this specification is schematic diagram, and aid illustration design of the present utility model schematically shows shape and the correlation thereof of each several part.Identical reference marker is for part like representation class.
The utility model is the electronic main shaft push-in type earthed switch of brand-new design.As previously mentioned, prior art is not also developed electronic main shaft push-in type earthed switch.Compared with the manual main shaft push-in type earthed switch of prior art, the utility model has adopted diverse control and interlocking design, has obtained the electronic main shaft push-in type earthed switch simple, practical and reliable, commercial value is high.But, the mechanical structure of electronic main shaft push-in type earthed switch of the present utility model has following components can adopt the similar structure of prior art, therefore for simplicity's sake, describes in detail for the concrete structure portion of following components again:
(1) cutter B and insulator part;
(2) screw mandrel and sliding nut;
(3) connecting rod 8 between operating case A and ground cutter B;
(4) rotatablely moving of the rotating shaft of moving knife is converted into the control leverage 9 ' of the linear movement in operating case A.
Figure 13 is the stereogram according to switch cubicle of the present utility model, and it is provided with according to electronic main shaft push-in type earthed switch of the present utility model.Further, Figure 15 illustrate be arranged on median septum 30 according to the end view of electronic main shaft push-in type earthed switch of the present utility model, Figure 15 is the stereogram of median septum 30.Compared with prior art, the operating case A compact size that the utility model is electronic, can be integrated in median septum 30, thus, the electronic main shaft push-in type earthed switch of the utility model can be integrated in the median septum 30 of switch cubicle, thereby is conducive to be widely applied to KYN switch cubicle.
Figure 16 is according to the end view of electronic main shaft push-in type earthed switch of the present utility model, and Figure 17 is according to the vertical view of electronic main shaft push-in type earthed switch of the present utility model.Figure 19 is according to the stereogram of operating case A of the present utility model, and Figure 20 is according to the end view of operating case A of the present utility model, and Figure 21 is according to the plane graph of operating case panel of the present utility model, and Figure 22 is according to the vertical view of operating case A of the present utility model.Figure 14 is the amplification view of operating case panel.
As seen from the figure, electronic main shaft push-in type earthed switch of the present utility model, comprising: operating case A, comprises housing; And, the connecting rod 8 between the ground of operating case A and described earthed switch cutter B, operating case A drives the moving knife of ground cutter B and quiet cutter to close a floodgate and separating brake by described connecting rod 8 is moved.Operating case A also comprises screw body 10 and a motor 40, and this screw body 10 is arranged in described housing and via sliding nut and is connected with described connecting rod 8, and this motor 40 drives screw body 10, thereby described connecting rod 8 is moved.
Motor 40 can be direct current machine, can be also alternating current machine.This motor 40 adopts for example 110V, 220V voltage all can.For example, this motor 40 can be magneto.As long as the model of motor 40 can meet electric switch-on and separating brake, but be preferably miniaturization, be of value to like this various aspects of manufacture.In addition, motor 40 can adopt the model same with circuit breaker trolley, to reduce the part numbers of switch cubicle.
Operating case A also comprises guidance panel, and this guidance panel is arranged in a side of described housing, and described motor 40 is arranged on the opposite side relative with an aforementioned side of described housing.
Screw body 10 also comprises manual operation end, makes it possible to manually operate described screw body 10 by the guidance panel of operating case A, thus the combined floodgate of cutter B and separating brake manually.Figure 23 illustrates the stereogram of screw body 10 and motor 40.
Again referring to Figure 30 and 31, it illustrates respectively according between control leverage 9 of the present utility model and moving knife being stereogram and end view.One end of this control leverage 9 is connected with the support arm of the rotating shaft of the moving knife of described ground cutter B, and rotatablely moving of described rotating shaft is converted into the linear movement in operating case A.This control leverage 9 and the difference of the control leverage 9 ' of prior art are that the parts that are connected at the other end are different, and the control being play and interlocking effect different.What the other end of the control leverage 9 ' of prior art connected is three station change over switches 20, and as seen from the figure, the parts that the other end of control leverage 9 of the present utility model connects are completely different, and the control of playing and interlocking effect have the difference of essence, the parts that also can connect the other end of control leverage 9 of the present utility model below and the control being play and interlocking effect describe.
Figure 24 illustrates the stereogram of manual blocking lever 5 and screw body 10.As shown in figure 24, operating case A also comprises manual blocking lever 5, this manual blocking lever 5 comprises interlocking shaft 51 and blocking lever baffle plate 52, this blocking lever baffle plate 52 is arranged on one end of interlocking shaft 51 regularly can shelter from the manual operation hole in the guidance panel of described operating case A by rotation, this manual blocking lever 5 is arranged in described housing, by manually rotating the described one end in the guidance panel of the described operating case A of being arranged on of this manual blocking lever 5, can make this manual blocking lever 5 around self axis rotation, and this manual blocking lever 5 can utilize elastic component 54 to automatically reset, this elastic component 54 is for example torsionspring.As shown in figure 28, after this manual blocking lever 5 is manually rotated, the rotation of this manual blocking lever 5 can make the included sensitive switch 6 of described operating case A move, and described motor 40 and screw body 10 are threaded off.
Referring to Figure 20, in attended operation box A, be provided with the sensitive switch 7 of the stroke for controlling described motor 40, described sensitive switch 7 comprises the combined floodgate sensitive switch and the separating brake sensitive switch that are respectively in both sides.Described control leverage 9 touches part with sensitive switch, and this sensitive switch touches part and touches sensitive switch 7 along the movement of both direction in these two contrary directions respectively along with controlling leverage 9.When local cutter B closes a floodgate, along with the movement of described control leverage 9, described sensitive switch 7 touches part and touches described combined floodgate sensitive switch and make described motor 40 stalls; And when local cutter B separating brake, along with the movement of described control leverage 9, the part that touches of described sensitive switch 7 touches described separating brake sensitive switch and makes described motor 40 stalls.
Figure 25 illustrates the stereogram of the first interlocking device 1 of the present utility model.As shown in the figure, the first interlocking device 1 for prevent the circuit breaker of switch cubicle enter behind service position cutter B can closing by hand, this first interlocking device 1 comprises countercheck rod 11 and applies prestressed spring 12 to this countercheck rod 11.
When the circuit breaker of switch cubicle is during in test position, the dolly of circuit breaker overcomes prestressing force that spring 12 applies and to countercheck rod described in lower compression 11, make described countercheck rod 11 self groove 13 or bending can be to the groove 53 of described interlocking shaft 51 or the lug boss slot milling that described manual blocking lever 5 has, thereby described manual blocking lever 5 can be pivoted, and then described blocking lever baffle plate 52 can allow by described manual operation hole screw body 10 described in manual operation.
On the other hand, enter behind service position at the circuit breaker of switch cubicle, described countercheck rod 11 under the prestressing force effect of spring 12 in a state of nature, the front end of described countercheck rod 11 can stop the groove 53 of described interlocking shaft 51 or the lug boss that described interlocking shaft 51 has, described manual blocking lever 5 can not be manually turned, thus can prevent circuit breaker enter behind service position cutter B by closing by hand.
Figure 27 is the stereogram of the second interlocking device 2 of the present utility model.As shown in the figure, the second interlocking device 2 for make after the Qianmen of switch cubicle is closed cutter B could separating brake, this second interlocking device 2 comprises Qianmen constrictor 21 and is arranged at the stop part on described interlocking shaft 51, and described Qianmen constrictor 21 has elastic component 24 and stop part 22.
In the time that open at described Qianmen, the prestressing force of described elastic component makes described Qianmen constrictor 21 stretch out towards described Qianmen, thereby described stop part is controlled on the top 24 of described stop part 22, described manual blocking lever 5 can not be rotated, and then described in can not manual operation, screw body 10 make ground cutter B separating brake.
On the other hand, after Qianmen is closed, the prestressing force that Qianmen overcomes elastic component moves described Qianmen constrictor 21 backward, makes the top 24 of described stop part 22 discharge described stop part, thereby described manual blocking lever 5 can rotate, and then described in can manual operation, screw body 10 makes ground cutter B separating brake.
Figure 29 is according to the stereogram of tri-interlocking device 3 of the present utility model.As shown in the figure, tri-interlocking device 3 is pushed into service position for the dolly that prevents the circuit breaker of switch cubicle after ground cutter B closes a floodgate.This tri-interlocking device 3 comprises and is arranged in described housing and is fixed on the barrier sheet 31 on this control leverage 9, along with moving knife rotates and closes a floodgate with quiet cutter, barrier sheet 31 moves to such ad-hoc location with this control leverage 9: at this ad-hoc location, barrier sheet 31 can match with the stop part on described dolly, is pushed into service position to stop described dolly.
Figure 26 is according to the plane graph of tetrad latch mechanism 4 of the present utility model.As shown in the figure, tetrad latch mechanism 4 can be opened for the Qianmen that prevents switch cubicle after ground cutter B separating brake.This tetrad latch mechanism 4 comprises swingle 41, and the rotating shaft 42 of this swingle 41 is arranged on described housing, and one end of this swingle 41 is connected actively with the sliding nut of described screw body 10.Thus, along with described sliding nut moves and makes described ground cutter B separating brake, the other end 43 of this swingle 41 rotate and hook described Qianmen around described rotating shaft 42, described Qianmen after ground cutter B separating brake can not be opened.Preferably, swingle 41 is with applying prestressed spring 44.
In addition, referring to Figure 30 and 31, at the other end of this control leverage 9 with indicator board 50.As shown in the figure, the described other end of this control leverage 9 is fixed with indicator board 50, with combined floodgate and the separating brake of the cutter B that lands, by means of the movement of this control leverage 9, the symbol on this indicator board 50 or color can represent that ground cutter B is in "on" position or gate-dividing state by the opening in described guidance panel.Especially, represent respectively to close a floodgate and separating brake with the horizontal line on indicator board 50 and vertical line.
The utility model is different from the principle of the indicating mechanism of the operating case A of the prior art shown in Fig. 9.As shown in figure 30, indicator board 50 of the present utility model has the slotted eye 51 of vertical direction and the slotted eye 52 between vertical direction and horizontal direction, in described housing, be fixed with the directing pin that matches with the slotted eye 51 of described vertical direction, the described other end of described control leverage 9 be fixed with the directing pin that matches of the slotted eye 52 between vertical direction and horizontal direction, make in the time that described control leverage 9 moves, described indicator board 50 can move by the vertical direction, to pass through symbol or the explicitly state of cutter B of color on this indicator board 50.
Also, referring to the partial perspective view of Figure 32, it shows according to of the present utility model with lock pinning control lever.The guidance panel of operating case A comprises can pin at diverse location the lock of described one end of described interlocking shaft 51, with manual operation or the electric operating of operating case A described in locking.Specifically latch design how, those skilled in the art can design as required based on explanation of the present utility model.
Above the execution mode of electronic main shaft push-in type earthed switch of the present utility model is illustrated.Carry out specific design for the specific features of electronic main shaft push-in type earthed switch of the present utility model as the effect of feature that shape, size and position can above-mentioned disclosures, these designs are all that those skilled in the art can realize.And, each technical characterictic of above-mentioned disclosure that be not limited to disclose with combination further feature, those skilled in the art also can carry out other combination between each technical characterictic according to the object of invention, are as the criterion with the object that realizes the utility model.
Claims (13)
1. an electronic main shaft push-in type earthed switch, comprising:
Operating case, comprises housing; With
Connecting rod between the ground of operating case and described earthed switch cutter, operating case drives the moving knife of ground cutter and quiet cutter to close a floodgate and separating brake by described connecting rod is moved,
It is characterized in that, operating case also comprises screw body and a motor, and this screw body is arranged in described housing and via sliding nut and is connected with described connecting rod, and this motor drives screw body, thereby described connecting rod is moved.
2. electronic main shaft push-in type earthed switch as claimed in claim 1, it is characterized in that, described operating case also comprises guidance panel, and this guidance panel is arranged in a side of described housing, and described motor is arranged on the opposite side relative with an aforementioned side of described housing.
3. electronic main shaft push-in type earthed switch as claimed in claim 1, is characterized in that,
Described screw body also comprises manual operation end, makes it possible to manually operate described screw body by the guidance panel of operating case, thus the combined floodgate of cutter and separating brake manually;
Described operating case also comprises manual blocking lever, this manual blocking lever comprises interlocking shaft and blocking lever baffle plate, this blocking lever baffle plate is arranged on one end of interlocking shaft regularly can shelter from the manual operation hole in the guidance panel of described operating case by rotation, this manual blocking lever is arranged in described housing, by manually rotating the described one end in the guidance panel that is arranged on described operating case of this manual blocking lever, can make this manual blocking lever around self axis rotation, and this manual blocking lever can utilize elastic component to automatically reset, after this manual blocking lever is manually rotated, the rotation of this manual blocking lever can make the included sensitive switch action of described operating case, described motor and screw body are threaded off.
4. electronic main shaft push-in type earthed switch as claimed in claim 3, it is characterized in that, described operating case also comprises the first interlocking device, for prevent the circuit breaker of switch cubicle enter behind service position cutter can closing by hand, this first interlocking device comprises countercheck rod and applies prestressed spring to this countercheck rod
When the circuit breaker of switch cubicle is during in test position, the dolly of circuit breaker overcomes prestressing force that described spring applies and to countercheck rod described in lower compression, make described countercheck rod self groove or bending can be to the groove of described interlocking shaft or the lug boss slot milling that described manual blocking lever has, thereby described manual blocking lever can be pivoted, and then described blocking lever baffle plate can allow by described manual operation hole screw body described in manual operation
And enter behind service position at the circuit breaker of switch cubicle, described countercheck rod under the prestressing force effect of described spring in a state of nature, the front end of described countercheck rod can stop the groove of described interlocking shaft or the lug boss that described interlocking shaft has, described manual blocking lever can not be manually turned, thus can prevent circuit breaker enter behind service position cutter by closing by hand.
5. electronic main shaft push-in type earthed switch as claimed in claim 3, it is characterized in that, the guidance panel of described operating case also comprises can pin at diverse location the lock of described one end of described interlocking shaft, with manual operation or the electric operating of operating case described in locking.
6. electronic main shaft push-in type earthed switch as claimed in claim 3, it is characterized in that, described operating case also comprises the second interlocking device, for make after the Qianmen of switch cubicle is closed cutter could separating brake, this second interlocking device comprises Qianmen constrictor and is arranged at described blocking lever stop part with it, described Qianmen constrictor has elastic component and stop part
In the time that open at described Qianmen, the prestressing force of described elastic component makes described Qianmen constrictor stretch out towards described Qianmen, thereby described stop part is controlled described stop part, and described manual blocking lever can not be rotated, and then described in can not manual operation, screw body makes ground cutter separating brake
After described Qianmen is closed, the prestressing force that described Qianmen overcomes described elastic component moves described Qianmen constrictor backward, make described stop part discharge described stop part, thereby described manual blocking lever can rotate, and then described in can manual operation, screw body make ground cutter separating brake.
7. electronic main shaft push-in type earthed switch as claimed in claim 1, it is characterized in that, described operating case also comprises control leverage, one end of this control leverage is connected with the support arm of the rotating shaft of the moving knife of described ground cutter, and rotatablely moving of described rotating shaft is converted into the linear movement in operating case.
8. electronic main shaft push-in type earthed switch as claimed in claim 7, it is characterized in that, described operating case also comprises tri-interlocking device, be pushed into service position for the dolly that prevents the circuit breaker of switch cubicle after ground cutter closes a floodgate, this tri-interlocking device comprises and is arranged in described housing and is fixed on the barrier sheet that this control lever is fastened, along with moving knife rotates and closes a floodgate with quiet cutter, described barrier sheet moves to such position with this control leverage: in this position, described barrier sheet can match with the stop part on described dolly, be pushed into service position to stop described dolly.
9. electronic main shaft push-in type earthed switch as claimed in claim 7, it is characterized in that, the other end of this control leverage is fixed with indicator board, with combined floodgate and the separating brake of the cutter that lands, by means of the movement of this control leverage, the symbol on this indicator board or color can represent that ground cutter is in "on" position or gate-dividing state by the opening in described guidance panel.
10. electronic main shaft push-in type earthed switch as claimed in claim 9, it is characterized in that, described indicator board has the slotted eye of vertical direction and the slotted eye between vertical direction and horizontal direction, in described housing, be fixed with the directing pin that matches with the slotted eye of described vertical direction, the described other end of described control leverage be fixed with the directing pin that matches of the slotted eye between vertical direction and horizontal direction, make in the time that described control leverage moves, described indicator board can move by the vertical direction, to pass through symbol or the explicitly state of cutter of color on this indicator board.
11. electronic main shaft push-in type earthed switches as claimed in claim 7, it is characterized in that, described operating case comprises the sensitive switch of the stroke for controlling described motor, described sensitive switch comprises combined floodgate sensitive switch and separating brake sensitive switch, described control lever frenulum has sensitive switch to touch part, when local cutter closes a floodgate, along with the movement of described control leverage, described sensitive switch touches part and touches described combined floodgate sensitive switch and make described motor stalling, and when local cutter separating brake, along with the movement of described control leverage, described sensitive switch touches part and touches described separating brake sensitive switch and make described motor stalling.
12. electronic main shaft push-in type earthed switches as claimed in claim 1, it is characterized in that, described operating case also comprises tetrad latch mechanism, can open for preventing the Qianmen of switch cubicle after ground cutter separating brake, this tetrad latch mechanism comprises swingle, the rotating shaft of this swingle is arranged on described housing, and one end of this swingle is connected actively with the sliding nut of described screw body, thus, along with described sliding nut moves and makes described ground cutter separating brake, the other end of this swingle hooks described Qianmen around described rotating shaft rotation, described Qianmen after ground cutter separating brake can not be opened.
13. electronic main shaft push-in type earthed switches as described in any one in claim 1-12, is characterized in that, described electronic main shaft push-in type earthed switch is integrated on the median septum of switch cubicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889936.5U CN203774147U (en) | 2013-12-31 | 2013-12-31 | Electric main shaft push-in-type grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889936.5U CN203774147U (en) | 2013-12-31 | 2013-12-31 | Electric main shaft push-in-type grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774147U true CN203774147U (en) | 2014-08-13 |
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ID=51291305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889936.5U Expired - Lifetime CN203774147U (en) | 2013-12-31 | 2013-12-31 | Electric main shaft push-in-type grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273311A (en) * | 2017-07-18 | 2019-01-25 | 平高集团有限公司 | A kind of high-tension switch gear and its operating mechanism |
| CN117060264A (en) * | 2023-10-12 | 2023-11-14 | 广东正超电气有限公司 | Triple locking structure of chassis truck and grounding switch of movable switch cabinet |
-
2013
- 2013-12-31 CN CN201320889936.5U patent/CN203774147U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273311A (en) * | 2017-07-18 | 2019-01-25 | 平高集团有限公司 | A kind of high-tension switch gear and its operating mechanism |
| CN117060264A (en) * | 2023-10-12 | 2023-11-14 | 广东正超电气有限公司 | Triple locking structure of chassis truck and grounding switch of movable switch cabinet |
| CN117060264B (en) * | 2023-10-12 | 2024-01-05 | 广东正超电气有限公司 | Triple locking structure of chassis truck and grounding switch of movable switch cabinet |
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Granted publication date: 20140813 |