CN203398000U - Suspension type permanent magnet vacuum circuit breaker - Google Patents
Suspension type permanent magnet vacuum circuit breaker Download PDFInfo
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- CN203398000U CN203398000U CN201320443603.XU CN201320443603U CN203398000U CN 203398000 U CN203398000 U CN 203398000U CN 201320443603 U CN201320443603 U CN 201320443603U CN 203398000 U CN203398000 U CN 203398000U
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Abstract
The utility model discloses a suspension type permanent magnet vacuum circuit breaker. The suspension type permanent magnet vacuum circuit breaker comprises a device frame, a transmission assembly and an external connection type connecting lever. One end of the device frame is provided with a cross beam. A first coaxial through hole is arranged under the device frame. The transmission assembly is arranged in the device frame and between the cross beam and the first coaxial through hole. A transmission pull rod of the transmission assembly is hinged with one end of the external connection type connecting lever. The suspension type permanent magnet vacuum circuit breaker is characterized in that the suspension type permanent magnet vacuum circuit breaker further comprises a vacuum circuit breaking mechanism and a permanent magnet operating mechanism, wherein the vacuum circuit breaking mechanism is arranged in the device frame and fixedly connected with the cross beam, the main shaft of the vacuum circuit breaking mechanism is fixedly connected with the external connection type connecting lever; the permanent magnet operating mechanism is arranged outside the device frame which is opposite to the cross beam and fixedly connected with the device frame, and one end of a connecting lever output shaft of the permanent magnet operating mechanism passes through the first coaxial through hole and is fixedly connected with a transmission shaft of the transmission assembly. During utilization, a driving rod of the permanent magnet operating mechanism is used to drive the rotation of the main shaft through the transmission assembly, and then used to drive the vacuum circuit breaking mechanism to make the vacuum circuit breaking mechanism moved up and down to perform closing and opening operations through a transmission device, an insulating pull rod and a stroke exceeding indicating rod.
Description
Technical field
The utility model relates to the switchgear of electric power system, is a kind of suspension type permanent magnetic vacuum breaker.
Background technology
Power distribution equipment before the eighties is in the majority with suspension type oil-minimum breaker, and this type of oil-minimum breaker exists the problems such as short, maintenance difficulty of time between overhauls(TBO), contaminated environment, the mechanical properties that exists in service, insulating oil rear, the inflammable and hidden peril of explosion that goes bad.After the eighties, electric power system has also been installed vacuum circuit-breaker in new distribution system, but be in operation, find that this type of circuit breaker exists the shortcoming that maintenance is difficult, operating mechanism cannot meet the requirement of frequent actuating, operating mechanism spoilage is larger in addition, changes cost high.Be subject to various condition restriction, above equipment still has a great deal of in operation, address the above problem the most effectively, economy fast way to be the controller switching equipment that carries out same pattern non-maintaining without oiling, operating mechanism, a series of transformations of meeting the requirement of on-the-spot frequent actuating.
Summary of the invention
Technical problem to be solved in the utility model is: the shortcoming that overcomes prior art, a kind of oil-minimum breaker that can substitute suspended electromagnetic actuating or spring mechanism actuating is provided, thereby realizes without oiling, the non-maintaining suspension type permanent magnetic vacuum breaker of operating mechanism.
The scheme of the utility model technical solution problem is: a kind of suspension type permanent magnetic vacuum breaker, it comprises device framework, transmission component and outreach transmission crank arm, one end of described device framework arranges the some crossbeams that are fixed with one, the two ends of device framework, crossbeam below arranges the first coaxial through-hole, the axis of the first coaxial through-hole and beam vertical, with the rolling bearing that is connected in first coaxial through-hole of crossbeam with end, transmission component is placed in device framework, between crossbeam and the first coaxial through-hole, the shackle rod of transmission component is hinged with the one end that outreaches transmission crank arm, one end of the power transmission shaft of transmission component is connected by built-in rolling bearing and the device framework of the first coaxial through-hole of the device framework that installs, it is characterized in that: also comprise vacuum circuit breaker mechanism and permanent-magnet manipulating mechanism, described vacuum circuit breaker mechanism is placed in the inside of device framework, the crossbeam arranging with device framework one end is connected, the main shaft of vacuum circuit breaker mechanism is connected with the other end that outreaches transmission crank arm, permanent-magnet manipulating mechanism is placed in the outside of the device framework on crossbeam opposite, is connected with device framework, and one end of the connecting lever output shaft of permanent-magnet manipulating mechanism is placed in device framework, is connected with the other end of the power transmission shaft of transmission component through the first coaxial through-hole of device framework setting.
The structure of described vacuum circuit breaker mechanism is: it comprises support frame, main shaft, B phase main conductive circuit, A phase main conductive circuit and C phase main conductive circuit, described support frame comprises underframe, the two ends of underframe arrange the end face frame being fixed with one, the both sides of underframe arrange the lateral frame being fixed with one, the top surface frame that end face setting is fixed with one, in the centre of support frame, several supporting seats are set, supporting seat arranges axis second coaxial through-hole parallel with end face frame, hinged axle sleeve in the second coaxial through-hole, below supporting seat, in support frame, be arranged side by side three groups of bearings, every group of bearing all arranges axis three coaxial through-hole parallel with the second coaxial through-hole axis of supporting seat, above supporting seat, with the inside of the support frame of one end, holder is set with bearing, above holder, with the inside of the support frame of one end, cantilever is set with holder, main shaft is installed in the built-in axle sleeve of the second coaxial through-hole of supporting seat and is connected with axle sleeve, top and the cantilever of B phase main conductive circuit are connected, and the bottom of B phase main conductive circuit and one group of bearing are hinged, and centre and the main shaft of B phase main conductive circuit are connected, A phase main conductive circuit has respectively structure, position and the connected mode identical with B phase main conductive circuit with C phase main conductive circuit.
The structure of described B phase main conductive circuit is: it comprises insulating cover, the final controlling element that opens circuit, transmission device, insulated tension pole, overtravel indicating arm, the gentle device that rushes of minute brake control device, described insulating cover is placed in cantilever and is connected with the outside of the support frame of one end, end face and support frame, and the final controlling element that opens circuit is connected in the inside of insulating cover; One end and the main shaft of transmission device is connected, the bottom of the other end and insulated tension pole is hinged, the centre of the main connecting lever of transmission device is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges, the bottom of the top of insulated tension pole and overtravel indicating arm is connected, and the final controlling element that opens circuit that the top of overtravel indicating arm and insulating cover are built-in is connected; Divide one end and the cantilever of brake control device to be connected, the other end and the main shaft of minute brake control device are connected, and buffer is connected on the holder arranging in support frame.
The structure of the described final controlling element that opens circuit is: it comprises outlet board, lower outlet board, vacuum interrupter, determine conducting rod, moving conductive rod and conductive clip, described upper outlet board is placed in the inside of insulating cover, be connected in the top of insulating cover, lower outlet board is placed in the inside of insulating cover, be connected in the bottom of insulating cover, vacuum interrupter is placed between outlet board and lower outlet board, the lower end of determining conducting rod is placed in the inside of vacuum interrupter, upper end and insulating cover are connected, the upper end of moving conductive rod is placed in the inside of vacuum interrupter, the other end of the lower end of moving conductive rod and overtravel indicating arm is connected, conductive clip is placed between vacuum interrupter and overtravel indicating arm, be connected on moving conductive rod, conductive clip is electrically connected to by flexible cord with lower outlet board, determine between conducting rod and upper outlet board, between moving conductive rod and lower outlet board, insulating case is set respectively.
The structure of described transmission device is: it comprises transmission crank arm, connecting plate and main connecting lever, one end and the main shaft of described transmission crank arm are connected, the other end of transmission crank arm and one end of connecting plate are connected, the other end of connecting plate and one end of main connecting lever are connected, the other end of main connecting lever and the bottom of insulated tension pole are connected, and the centre of main connecting lever is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges.
The structure of described minute brake control device is: it comprises little connecting lever, spring base, spring and connector, one end and the main shaft of described little connecting lever are connected, the other end and the spring base of little connecting lever are hinged, one end and the spring base of spring is connected, the other end and connector are connected, and the cantilever of connector and support frame is connected.
The structure of described permanent-magnet manipulating mechanism is: it comprises installing rack, permanent magnet mechanism, drive rod, pallet, connecting lever output shaft, friction pulley, back-moving spring, separating brake handle and connecting rod, described installing rack arranges the 4th coaxial through-hole, the support set that is connected in the 4th coaxial through-hole, one end below the 4th coaxial through-hole of installing rack arranges the handle set being fixed with one, permanent magnet mechanism be placed in installing rack below, be connected with installing rack, the bottom of drive rod is placed in permanent magnet mechanism, be slidably connected with permanent magnet mechanism, the top of drive rod is placed in installing rack, the top of drive rod is fixed with pallet, and connecting lever output shaft is installed in the built-in support set of the 4th coaxial through-hole of installing rack and is connected with support set, and stretch out outside the installing rack on handle set opposite one end of connecting lever output shaft, the first coaxial through-hole arranging through device framework, be placed in device framework with the other end of the power transmission shaft of transmission component and be connected, below the connecting lever output shaft in installing rack, with pallet correspondence position, friction pulley is set, friction pulley and connecting lever output shaft fixed connection, back-moving spring is placed in installing rack, be socketed between the support set and friction pulley on connecting lever output shaft, one end and the handle set of separating brake handle are hinged, and one end and the drive rod of connecting rod are hinged, the other end and separating brake handle are connected.
The utility model suspension type permanent magnetic vacuum breaker, the drive rod of permanent-magnet manipulating mechanism drives connecting lever output shaft rotation when driving friction pulley to rotate by moving up and down of pallet, connecting lever output shaft outreaches transmission crank arm by the transmission component driving being connected and main shaft rotates, the main shaft rotating passes through transmission device, and the insulated tension pole being connected by transmission device and overtravel indicating arm drive the moving conductive rod of the final controlling element that opens circuit to move up and down, realized minute operation of closing of suspension type permanent magnetic vacuum breaker, the permanent magnet mechanism of permanent-magnet manipulating mechanism can stable state keep the final controlling element that opens circuit of vacuum circuit breaker mechanism in closing a floodgate or open position, transmission component can be delivered to vacuum circuit breaker mechanism by the electromagnetic force of permanent-magnet manipulating mechanism output, divide brake control device can guarantee the reliable and stable of sub-switching operation, buffer can reduce separating brake tip speed and be that separating brake is spacing.During use, in the time of need to closing a floodgate, the drive rod of permanent-magnet manipulating mechanism moves upward under the effect of electromagnetic force, drive rod drives friction pulley and connecting lever output shaft rotation by moving upward of pallet, connecting lever output shaft is driven and is outreached transmission crank arm and main shaft rotates by transmission component, and the main shaft of rotation drives the moving conductive rod of the final controlling element that opens circuit to move upward by transmission device the insulated tension pole being connected by transmission device and overtravel indicating arm and closes a floodgate.While needing separating brake, pull separating brake handle, the connecting rod being connected with separating brake handle drives the drive rod of permanent-magnet manipulating mechanism to move downward, drive rod departs from by moving downward with friction pulley of pallet, friction pulley and connecting lever output shaft rotate backward, connecting lever output shaft is driven and is outreached transmission crank arm and main shaft rotates by transmission component, and the main shaft of rotation drives the moving conductive rod of the final controlling element that opens circuit to move downward by transmission device the insulated tension pole being connected by transmission device and overtravel indicating arm to carry out separating brake.Have advantages of that equipment is non-maintaining without oiling, operating mechanism.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model suspension type permanent magnetic vacuum breaker looks schematic diagram;
Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;
Fig. 3 is the A – A generalized section of Fig. 1;
Fig. 4 is the structural representation of permanent-magnet manipulating mechanism.
In figure: 1 support frame, 2 insulating covers, outlet board on 3, 4 vacuum interrupters, 5 conductive clips, 6 flexible cords, 7 times outlet boards, 8 overtravel indicating arms, 9 insulated tension poles, 10 B phase main conductive circuits, 11 main connecting levers, 12 connecting plates, 13 transmission crank arm, 14 main shafts, 15 springs, 16 buffers, 17 outreach transmission crank arm, 18 shackle rods, 19 device frameworks, 20 vacuum circuit breaker mechanisms, 21 power transmission shafts, 22 transmission components, 23 permanent magnet mechanisms, 24 pallets, 25 installing racks, 26 connecting lever output shafts, 27 drive rods, 28 connecting rods, 29 separating brake handles, 30 permanent-magnet manipulating mechanisms, 31 final controlling elements that open circuit, 32 little connecting levers.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1～Fig. 4, a kind of suspension type permanent magnetic vacuum breaker of the utility model, it comprises device framework 19, transmission component 22 and outreach transmission crank arm 17, described device framework 19 one end arranges the some crossbeams that are fixed with one, device framework 19 two ends, crossbeam below arranges the first coaxial through-hole, the axis of the first coaxial through-hole and beam vertical, with the rolling bearing that is connected in first coaxial through-hole of crossbeam with end, transmission component 22 is placed in device framework 19, between crossbeam and the first coaxial through-hole, the shackle rod 18 of transmission component 22 is with to outreach transmission crank arm 17 one end hinged, power transmission shaft 21 one end of transmission component 22 is connected by built-in rolling bearing and the device framework 19 of the first coaxial through-hole of the device framework 19 that installs, also comprise vacuum circuit breaker mechanism 20 and permanent-magnet manipulating mechanism 30, described vacuum circuit breaker mechanism 20 is placed in the inside of device framework 19, the crossbeam arranging with device framework 19 one end is connected, the main shaft 14 of vacuum circuit breaker mechanism 20 is connected with the other end that outreaches transmission crank arm 17, permanent-magnet manipulating mechanism 30 is placed in the outside of the device framework 19 on crossbeam opposite, is connected with device framework 19, and the first coaxial through-hole that connecting lever output shaft 26 one end of permanent-magnet manipulating mechanism 30 arranges through device framework 19 is placed in device framework 19, be connected with the other end of the power transmission shaft 21 of transmission component 22.The structure of described vacuum circuit breaker mechanism 20 is: it comprises support frame 1, main shaft 14, B phase main conductive circuit 10, A phase main conductive circuit and C phase main conductive circuit, described support frame 1 comprises underframe, the two ends of underframe arrange the end face frame being fixed with one, the both sides of underframe arrange the lateral frame being fixed with one, the top surface frame that end face setting is fixed with one, in the centre of support frame 1, several supporting seats are set, supporting seat arranges axis second coaxial through-hole parallel with end face frame, hinged axle sleeve in the second coaxial through-hole, below supporting seat, in support frame 1, be arranged side by side three groups of bearings, every group of bearing all arranges axis three coaxial through-hole parallel with the second coaxial through-hole axis of supporting seat, above supporting seat, with the inside of the support frame 1 of one end, holder is set with bearing, above holder, with the inside of the support frame 1 of one end, cantilever is set with holder, main shaft 14 is installed in the built-in axle sleeve of the second coaxial through-hole of supporting seat and is connected with axle sleeve, B phase main conductive circuit 10 top and cantilever are connected, and B phase main conductive circuit 10 bottom and one group of bearing are hinged, and centre and the main shaft 14 of B phase main conductive circuit 10 are connected, A phase main conductive circuit and C phase main conductive circuit have respectively structure, position and the connected mode identical with B phase main conductive circuit 10.The structure of described B phase main conductive circuit 10 is: it comprises insulating cover 2, the final controlling element 31 that opens circuit, transmission device, insulated tension pole 9, overtravel indicating arm 8, the gentle device 16 that rushes of minute brake control device, described insulating cover 2 is placed in cantilever and is connected with the outside of the support frame 1 of one end, end face and support frame 1, and the final controlling element 31 that opens circuit is connected in the inside of insulating cover 2; One end of transmission device and main shaft 14 are connected, the bottom of the other end and insulated tension pole 9 is hinged, the centre of the main connecting lever 11 of transmission device is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges, the bottom of the top of insulated tension pole 9 and overtravel indicating arm 8 is connected, and the final controlling element 31 that opens circuit that the top of overtravel indicating arm 8 and insulating cover 2 are built-in is connected; Divide one end and the cantilever of brake control device to be connected, the other end and the main shaft 14 of minute brake control device are connected, and buffer 16 is connected on the holder of support frame 1 interior setting.The described structure that opens circuit final controlling element 31 is: it comprises outlet board 3, lower outlet board 7, vacuum interrupter 4, determine conducting rod, moving conductive rod and conductive clip 5, described upper outlet board 3 is placed in the inside of insulating cover 2, be connected in the top of insulating cover 2, lower outlet board 7 is placed in the inside of insulating cover 2, be connected in the bottom of insulating cover 2, vacuum interrupter 4 is placed between outlet board 3 and lower outlet board 7, the lower end of determining conducting rod is placed in the inside of vacuum interrupter 4, upper end and insulating cover 2 are connected, the upper end of moving conductive rod is placed in the inside of vacuum interrupter 4, the other end of the lower end of moving conductive rod and overtravel indicating arm 8 is connected, conductive clip 5 is placed between vacuum interrupter 4 and overtravel indicating arm 8, be connected on moving conductive rod, conductive clip 5 is electrically connected to by flexible cord 6 with lower outlet board 7, determine between conducting rod and upper outlet board 3, between moving conductive rod and lower outlet board 7, insulating case is set respectively.The structure of described transmission device is: it comprises transmission crank arm 13, connecting plate 12 and main connecting lever 11, described transmission crank arm 13 one end and main shaft 14 are connected, the other end of transmission crank arm 13 and connecting plate 12 one end are connected, the other end of connecting plate 12 and main connecting lever 11 one end are connected, the bottom of the other end of main connecting lever 11 and insulated tension pole 9 is connected, and the centre of main connecting lever 11 is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges.The structure of described minute brake control device is: it comprises little connecting lever 32, spring base, spring 15 and connector, described little connecting lever 32 one end and main shaft 14 are connected, the other end and the spring base of little connecting lever 32 are hinged, spring 15 one end and spring base are connected, the other end and connector are connected, and the cantilever of connector and support frame 1 is connected.The structure of described permanent-magnet manipulating mechanism 30 is: it comprises installing rack 25, permanent magnet mechanism 23, drive rod 27, pallet 24, connecting lever output shaft 26, friction pulley, back-moving spring, separating brake handle 29 and connecting rod 28, described installing rack 25 arranges the 4th coaxial through-hole, the support set that is connected in the 4th coaxial through-hole, one end below the 4th coaxial through-hole of installing rack 25 arranges the handle set being fixed with one, permanent magnet mechanism 23 be placed in installing rack 25 below, be connected with installing rack 25, drive rod 27 bottom is placed in permanent magnet mechanism 23, be slidably connected with permanent magnet mechanism 23, drive rod 27 top is placed in installing rack 25, drive rod 27 top is fixed with pallet 24, connecting lever output shaft 26 is installed in the built-in support set of the 4th coaxial through-hole of installing rack 25 and is connected with support set, and connecting lever output shaft 26 stretches out one end outside the installing rack 25 on handle set opposite, the first coaxial through-hole arranging through device framework 19, be placed in device framework 19 with the other end of the power transmission shaft 21 of transmission component 22 and be connected, below the connecting lever output shaft 26 in installing rack 25, with pallet 24 correspondence positions, friction pulley is set, friction pulley and connecting lever output shaft 26 are connected, and back-moving spring is placed in installing rack 25, be socketed between the support set and friction pulley on connecting lever output shaft 26, separating brake handle 29 one end and handle set are hinged, and connecting rod 28 one end and drive rod 27 are hinged, the other end and separating brake handle 29 are connected.Described main shaft 14 is spline joint with axle sleeve.The built-in support set of described the 4th coaxial through-hole is rolling bearing.
The utility model suspension type permanent magnetic vacuum breaker, the drive rod 27 of permanent-magnet manipulating mechanism 30 drives connecting lever output shaft 26 to rotate when driving friction pulley to rotate by moving up and down of pallet 24, connecting lever output shaft 26 is driven and is outreached transmission crank arm 17 and main shaft 14 rotations by the transmission component 22 being connected, the main shaft 14 rotating passes through transmission device, and the insulated tension pole 9 being connected by transmission device and overtravel indicating arm 8 drives the moving conductive rod of the final controlling element 31 that opens circuit to move up and down, realized minute operation of closing of suspension type permanent magnetic vacuum breaker, the permanent magnet mechanism 23 of permanent-magnet manipulating mechanism 30 can stable state keep the final controlling element 31 that opens circuit of vacuum circuit breaker mechanism 20 in closing a floodgate or open position, transmission component 22 can be delivered to vacuum circuit breaker mechanism 20 by the electromagnetic force of permanent-magnet manipulating mechanism 30 outputs, divide brake control device can guarantee the reliable and stable of sub-switching operation, buffer 16 can reduce separating brake tip speed and be that separating brake is spacing.
Embodiment 1: the device framework 19 of embodiment 1 of the present utility model arranges two crossbeams that are fixed with one, support frame 1 adopts L-type structure, insulating cover 2 and the actuator that opens circuit thereof are placed in the empty place of the underframe top of L-type support frame 1, outreach the left end that transmission crank arm 17 is positioned at vacuum circuit breaker mechanism 20, back-moving spring adopts torsion spring, and buffer 16 bottom surface is corresponding with the end face of spring base.During use, in the time of need to closing a floodgate, the drive rod 27 of permanent-magnet manipulating mechanism 30 moves upward under the effect of electromagnetic force, drive rod 27 drives friction pulley and connecting lever output shaft 26 to rotate by moving upward of pallet 24, connecting lever output shaft 26 is driven and is outreached transmission crank arm 17 and main shaft 14 rotates by transmission component 22, and the main shaft 14 of rotation drives the moving conductive rod of the final controlling element 31 that opens circuit to move upward by transmission device the insulated tension pole 9 being connected by transmission device and overtravel indicating arm 8 and closes a floodgate.While needing separating brake, pull separating brake handle 29, the connecting rod 28 being connected with separating brake handle 29 drives the drive rod 27 of permanent-magnet manipulating mechanism 30 to move downward, drive rod 27 departs from by moving downward with friction pulley of pallet 24, friction pulley and connecting lever output shaft 26 rotate backward, connecting lever output shaft 26 is driven and is outreached transmission crank arm 17 and main shaft 14 rotates by transmission component 22, and the main shaft 14 of rotation drives the moving conductive rod of the final controlling element 31 that opens circuit to move downward by transmission device the insulated tension pole 9 being connected by transmission device and overtravel indicating arm 8 to carry out separating brake.
Embodiment 2: embodiment 2 of the present utility model is basic identical with structure, connected mode and the course of action of embodiment 1, difference is: the main connecting lever of transmission device of vacuum circuit breaker mechanism with the termination linkage counter of insulated tension pole with one end, in order to record minute number of operations that closes of vacuum circuit breaker mechanism.
Claims (7)
1. a suspension type permanent magnetic vacuum breaker, it comprises device framework, transmission component and outreach transmission crank arm, one end of described device framework arranges the some crossbeams that are fixed with one, the two ends of device framework, crossbeam below arranges the first coaxial through-hole, the axis of the first coaxial through-hole and beam vertical, with the rolling bearing that is connected in first coaxial through-hole of crossbeam with end, transmission component is placed in device framework, between crossbeam and the first coaxial through-hole, the shackle rod of transmission component is hinged with the one end that outreaches transmission crank arm, one end of the power transmission shaft of transmission component is connected by built-in rolling bearing and the device framework of the first coaxial through-hole of the device framework that installs, it is characterized in that: also comprise vacuum circuit breaker mechanism and permanent-magnet manipulating mechanism, described vacuum circuit breaker mechanism is placed in the inside of device framework, the crossbeam arranging with device framework one end is connected, the main shaft of vacuum circuit breaker mechanism is connected with the other end that outreaches transmission crank arm, permanent-magnet manipulating mechanism is placed in the outside of the device framework on crossbeam opposite, is connected with device framework, and one end of the connecting lever output shaft of permanent-magnet manipulating mechanism is placed in device framework, is connected with the other end of the power transmission shaft of transmission component through the first coaxial through-hole of device framework setting.
2. suspension type permanent magnetic vacuum breaker as claimed in claim 1, it is characterized in that: the structure of described vacuum circuit breaker mechanism is: it comprises support frame, main shaft, B phase main conductive circuit, A phase main conductive circuit and C phase main conductive circuit, described support frame comprises underframe, the two ends of underframe arrange the end face frame being fixed with one, the both sides of underframe arrange the lateral frame being fixed with one, the top surface frame that end face setting is fixed with one, in the centre of support frame, several supporting seats are set, supporting seat arranges axis second coaxial through-hole parallel with end face frame, hinged axle sleeve in the second coaxial through-hole, below supporting seat, in support frame, be arranged side by side three groups of bearings, every group of bearing all arranges axis three coaxial through-hole parallel with the second coaxial through-hole axis of supporting seat, above supporting seat, with the inside of the support frame of one end, holder is set with bearing, above holder, with the inside of the support frame of one end, cantilever is set with holder, main shaft is installed in the built-in axle sleeve of the second coaxial through-hole of supporting seat and is connected with axle sleeve, top and the cantilever of B phase main conductive circuit are connected, and the bottom of B phase main conductive circuit and one group of bearing are hinged, and centre and the main shaft of B phase main conductive circuit are connected, A phase main conductive circuit has respectively structure, position and the connected mode identical with B phase main conductive circuit with C phase main conductive circuit.
3. suspension type permanent magnetic vacuum breaker as claimed in claim 2, it is characterized in that: the structure of described B phase main conductive circuit is: it comprises insulating cover, the final controlling element that opens circuit, transmission device, insulated tension pole, overtravel indicating arm, the gentle device that rushes of minute brake control device, described insulating cover is placed in cantilever and is connected with the outside of the support frame of one end, end face and support frame, and the final controlling element that opens circuit is connected in the inside of insulating cover; One end and the main shaft of transmission device is connected, the bottom of the other end and insulated tension pole is hinged, the centre of the main connecting lever of transmission device is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges, the bottom of the top of insulated tension pole and overtravel indicating arm is connected, and the final controlling element that opens circuit that the top of overtravel indicating arm and insulating cover are built-in is connected; Divide one end and the cantilever of brake control device to be connected, the other end and the main shaft of minute brake control device are connected, and buffer is connected on the holder arranging in support frame.
4. suspension type permanent magnetic vacuum breaker as claimed in claim 3, it is characterized in that: described in the open circuit structure of final controlling element be: it comprises outlet board, lower outlet board, vacuum interrupter, determine conducting rod, moving conductive rod and conductive clip, described upper outlet board is placed in the inside of insulating cover, be connected in the top of insulating cover, lower outlet board is placed in the inside of insulating cover, be connected in the bottom of insulating cover, vacuum interrupter is placed between outlet board and lower outlet board, the lower end of determining conducting rod is placed in the inside of vacuum interrupter, upper end and insulating cover are connected, the upper end of moving conductive rod is placed in the inside of vacuum interrupter, the other end of the lower end of moving conductive rod and overtravel indicating arm is connected, conductive clip is placed between vacuum interrupter and overtravel indicating arm, be connected on moving conductive rod, conductive clip is electrically connected to by flexible cord with lower outlet board, determine between conducting rod and upper outlet board, between moving conductive rod and lower outlet board, insulating case is set respectively.
5. suspension type permanent magnetic vacuum breaker as claimed in claim 3, it is characterized in that: the structure of described transmission device is: it comprises transmission crank arm, connecting plate and main connecting lever, one end and the main shaft of described transmission crank arm are connected, the other end of transmission crank arm and one end of connecting plate are connected, the other end of connecting plate and one end of main connecting lever are connected, the other end of main connecting lever and the bottom of insulated tension pole are connected, and the centre of main connecting lever is hinged by bearing pin and one group of bearing in the 3rd coaxial through-hole that is installed on one group of bearing and arranges.
6. suspension type permanent magnetic vacuum breaker as claimed in claim 3, it is characterized in that: the structure of described minute brake control device is: it comprises little connecting lever, spring base, spring and connector, one end and the main shaft of described little connecting lever are connected, the other end and the spring base of little connecting lever are hinged, one end and the spring base of spring is connected, the other end and connector are connected, and the cantilever of connector and support frame is connected.
7. suspension type permanent magnetic vacuum breaker as claimed in claim 1, is characterized in that: the structure of described permanent-magnet manipulating mechanism is: it comprises installing rack, permanent magnet mechanism, drive rod, pallet, connecting lever output shaft, friction pulley, back-moving spring, separating brake handle and connecting rod, described installing rack arranges the 4th coaxial through-hole, the support set that is connected in the 4th coaxial through-hole, one end below the 4th coaxial through-hole of installing rack arranges the handle set being fixed with one, permanent magnet mechanism be placed in installing rack below, be connected with installing rack, the bottom of drive rod is placed in permanent magnet mechanism, be slidably connected with permanent magnet mechanism, the top of drive rod is placed in installing rack, the top of drive rod is fixed with pallet, and connecting lever output shaft is installed in the built-in support set of the 4th coaxial through-hole of installing rack and is connected with support set, and stretch out outside the installing rack on handle set opposite one end of connecting lever output shaft, the first coaxial through-hole arranging through device framework, be placed in device framework with the other end of the power transmission shaft of transmission component and be connected, below the connecting lever output shaft in installing rack, with pallet correspondence position, friction pulley is set, friction pulley and connecting lever output shaft fixed connection, back-moving spring is placed in installing rack, be socketed between the support set and friction pulley on connecting lever output shaft, one end and the handle set of separating brake handle are hinged, and one end and the drive rod of connecting rod are hinged, the other end and separating brake handle are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443603.XU CN203398000U (en) | 2013-07-25 | 2013-07-25 | Suspension type permanent magnet vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443603.XU CN203398000U (en) | 2013-07-25 | 2013-07-25 | Suspension type permanent magnet vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398000U true CN203398000U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443603.XU Expired - Fee Related CN203398000U (en) | 2013-07-25 | 2013-07-25 | Suspension type permanent magnet vacuum circuit breaker |
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| CN (1) | CN203398000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400038A (en) * | 2018-04-08 | 2018-08-14 | 舍恩高电气有限责任公司 | A kind of miniature circuit breaker |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400038A (en) * | 2018-04-08 | 2018-08-14 | 舍恩高电气有限责任公司 | A kind of miniature circuit breaker |
| CN108400038B (en) * | 2018-04-08 | 2023-08-25 | 舍恩高电气有限责任公司 | Small-sized circuit breaker |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20200725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |