1977results about "Contact driving mechanisms" patented technology

The utility model relates to the technical field of energy storage equipment, and particularly discloses a dual-motor operation module, a fusion switch and an energy storage system, and the dual-motor operation module comprises an operation housing, and a main loop operation mechanism and a pre-charging loop operation mechanism which are disposed in the operation housing. A first opening and a second opening are formed in the operation shell, the first opening is provided with a first output piece linked with a main loop operation mechanism, and the second opening is provided with a second output piece linked with a pre-charging loop operation mechanism; and the main loop operating mechanism and the pre-charging loop operating mechanism can respectively drive the fusion switch to be switched on and switched off through the corresponding first output piece and the second output piece. The reliability of the fusion switch can be effectively improved through the main loop operation mechanism and the pre-charging loop operation mechanism, and stable control over the energy storage system is achieved.

The present application discloses a microswitch automatic assembly apparatus, microswitch, and assembly method, the microswitch automatic assembly apparatus comprises a base, a material carrying rotary table and an installation disc that are provided on the base, a base loading mechanism, a support installation mechanism, a swing rod installation mechanism, and a tension spring installation mechanism are sequentially provided along a rotation direction of the material carrying rotary table, the tension spring installation mechanism comprises a tension spring pre-installation platform, a tension spring position detection platform, a tension spring installation platform, and a tension spring elasticity detection platform.

The invention discloses an electrified railway anti-misoperation outdoor high-voltage combined electric appliance device, which comprises an anti-misoperation spring energy storage device, an isolating switch linkage mechanism and a circuit breaker linkage mechanism, and is characterized in that the anti-misoperation spring energy storage device consists of an energy storage shaft, an energy storage spring and an energy storage transmission connecting rod; the anti-misoperation spring energy storage device is further provided with an energy storage limiting mechanism for preventing the energy storage shaft from rotating mistakenly after the energy storage spring stores energy, and an opening and closing trigger mechanism for tripping the energy storage limiting mechanism. The integrated spring energy storage transmission device has a mechanical interlocking function and can prevent misoperation, the integrated switch structure ensures firmness and mechanical reliability, connecting wires among equipment during dispersed installation are eliminated, the occupied area is reduced by more than 40% compared with traditional discrete arrangement, centralized maintenance is convenient, and the integrated switch structure is simple in structure and convenient to operate. And the overhaul and maintenance work efficiency is improved.

The present disclosure provides a dial illumination lamp, including a housing, a light source assembly, and an adjustment assembly connected to the light source assembly. The light source assembly includes a light source plate and a light source. The adjustment assembly includes a dial member and a contact member. The dial member has one end hinged to the light source plate; connecting contacts are provided on the light source plate; the contact member is capable of being in contact with the connecting contacts; the dial member is capable of swinging around a position where the light source plate is hinged to the dial member; and the dial member in swinging drives the contact member to slide between the different connecting contacts. The present disclosure is small in volume and simple in structure, saves space, and facilitates the achievement of miniaturization and integration of lamps.

The invention relates to the technical field of power equipment, in particular to an intelligent circuit breaker electric operation mechanism integrating multi-parameter detection and an intelligent monitoring system.The intelligent circuit breaker electric operation mechanism comprises a basic mechanism unit, a detection unit, an intelligent control unit and a communication unit, and the basic mechanism unit comprises a double-layer sliding block compensation system and a transmission mechanism; the double-layer sliding block compensation system is composed of a first sliding block, a second sliding block and a spring set, and a thin film pressure sensor is integrated on the bottom face of the second sliding block. According to the intelligent circuit breaker electric operation mechanism integrated with multi-parameter detection and the intelligent monitoring system, the health state and fault assessment system achieves fault assessment through data receiving, feature fusion, health modeling and fuzzy reasoning, and the intelligent monitoring system comprises a remote monitoring platform. And data display, fault early warning, remote control and reference model optimization are supported, intelligent control and multi-dimensional state monitoring of the circuit breaker are realized, and the fault diagnosis accuracy and the reliability of a power system are improved.

The invention belongs to the field of low-voltage switches, and particularly relates to a kick structure of an isolating switch and the isolating switch, and the kick structure comprises a shell assembly, a kick piece, a linkage piece, an energy-gathering elastic piece, a closing limiting piece and an opening limiting piece. Different from rotary motion of a kick piece and a linkage piece in an existing conventional kick mechanism, the kick piece and the linkage piece of the kick mechanism do linear motion, the energy-gathering elastic piece adopts a pressure spring limited between the kick piece and the linkage piece, and the energy-gathering elastic piece can only do telescopic motion in the first direction X to store / release energy; the opening limiting piece or the closing limiting piece limits the kick piece so that the kick piece can not move to the opening position or the closing position, and the linkage piece moves relative to the kick piece to drive the energy-gathering elastic piece to compress and store energy and moves until the linkage piece pushes the opening limiting piece or the closing limiting piece to unlock. The kick piece quickly acts to the opening position or the closing position under the energy release of the energy-gathered elastic piece, the action is reliable, and the overall size is small.

An ignition device includes an igniter that accommodates an ignition charge to be ignited by energization, and a holder that includes an insertion port for inserting the igniter, and is integrated with the igniter by fitting the igniter from the insertion port and press-fitting a tube body into a press-fitting portion. An end portion of the tube body is fitted into an annular groove formed in a bore, and a labyrinth structure is formed by an inner wall portion, an end surface portion, and an outer wall portion of the end portion, and the annular groove.

The invention belongs to the technical field of industrial temperature controllers, and particularly relates to a full-automatic intelligent temperature controller, which comprises a wiring bottom box and an integrated top box, and is characterized in that the wiring bottom box comprises a bottom cover; the integrated top box comprises a top cover, and a temperature acquisition plate is mounted on the top cover; a movable wiring terminal and a fixed wiring terminal are installed in the bottom cover, and the movable wiring terminal and the fixed wiring terminal are respectively connected with the temperature acquisition board. When an electric appliance is short-circuited, the stepping motor drives the rotating disc and the sliding head to rotate, the insulating rod is separated from the moving contact, the moving contact is disconnected from the fixed contact under the action of the spring, then the electromagnet is reversely electrified, the electromagnet and the permanent magnet on the air cylinder repel each other, and the sliding head is separated from the rotating disc; when the temperature of the circuit drops, the stepping motor drives the turntable to rotate through the belt, and the sliding head is separated from the turntable, so that the temperature controller is in a disconnected state when the turntable rotates, and secondary damage of the electric appliance caused by automatic connection of the temperature controller after the temperature drops is avoided.

The spring operating device comprises a front plate, a middle plate and a rear plate which are sequentially arranged from outside to inside, a first cavity is defined by the front plate and the middle plate, a second cavity is defined by the middle plate and the rear plate, and the spring operating device comprises an electric-manual energy storage mechanism fixedly installed on the front plate; the energy storage shaft penetrates through the front plate and the middle plate; the energy storage clutch mechanism is positioned in the first cavity; and the output shaft penetrates through the first cavity and the second cavity, and when the cam of the energy storage shaft drives the cam roller to act, the output shaft rotates to enable the mechanism output connecting rod to actuate the circuit breaker to be closed and enable the opening spring on the opening spring guide rod to store energy. Compared with the prior art, the spring operating device for the circuit breaker has the advantages of simplified assembly and high function integration level.

Provided in the present application are an electric switch and a power distribution system. The switch comprises an insulating housing and an internal element; the insulating housing comprises a first cavity and second cavities for accommodating a switch system; connection ends of the switch are arranged at two ends of the second cavities respectively; the first cavity and the multiple second cavities are arranged in a vertically stacked mode; the vertical axes or central axes of connection devices of the connection ends corresponding to different phases or poles are coaxial or non-coaxial; a moving contact is driven by a control mechanism to rotate or / and move.

An operating mechanism and a fusion switch relate to the low-voltage electrical field. The operating mechanism comprises a driving assembly, the driving assembly comprises a rotating shaft, a main loop driving gear and a pre-charging driving gear, and the main loop driving gear and the pre-charging driving gear are arranged on the rotating shaft in a penetrating mode. The main loop driving gear rotates by a first angle and drives the main loop energy storage part to rotate for energy storage, and the pre-charging driving gear rotates by a second angle and drives the pre-charging loop energy storage part to rotate for energy storage; when rotating to a preset position, the main loop energy storage part releases energy and drives the main loop switch body to be switched on; when rotating to a preset position, the pre-charging loop energy storage part releases energy and drives the pre-charging loop switch body to be switched on; the second angle is larger than the first angle, so that the pre-charging loop energy storage part rotates to a preset position before the main loop energy storage part. According to the operating mechanism, the radius ratio of the main loop driving gear to the pre-charging driving gear can be adjusted so as to be matched with the corresponding rotation angles of the main loop switch body and the pre-charging loop switch body during closing, and the flexibility of the overall layout is improved.

The invention discloses an electric power engineering isolation switch device, and particularly relates to the technical field of isolation switches, the electric power engineering isolation switch device comprises an equipment main body, the equipment main body comprises a mounting seat, mounting holes are formed in four corners of the mounting seat, the equipment main body further comprises a switch part and a driving part, and the switch part comprises three first insulators and three second insulators; the top of the first insulator and the top of the second insulator are provided with a first power connection plate and a second power connection plate respectively, the first power connection plate and the second power connection plate are provided with a rotating mechanism and a bearing mechanism respectively, the driving part comprises a rotating shaft, the rotating shaft is provided with three swing rods, the swing rods are hinged to third insulators, and the third insulators are hinged to the rotating mechanism. The spherical curved surface is arranged on the fixed plate, the end part of the brake blade is in close fit with the spherical curved surface, and the inclined plate and the elastic plate are also arranged, so that the contact area between the brake blade and the first power connection plate and the contact area between the brake blade and the second power connection plate are increased, heat generated when current passes through can be effectively dispersed, and the heat productivity of the isolating switch is remarkably reduced.

The utility model discloses a wake-up conduction structure used on a key switch, comprising a guide core, a moving plate which is arranged on the side edge of the guide core and is elastically bent downwards as a whole, and a static plate arranged below the moving plate, at least one convex edge is formed on the side edge of the guide core, the moving plate comprises at least one moving plate support arm which transversely extends towards the convex edge, and the static plate is arranged below the moving plate. The movable piece support arm is driven by the protruding edge to be in contact with or separated from the static piece under the acting force that the guide core is pressed by external force, and the movable piece and the static piece are electrically connected with an external circuit. The device can be applied to shaft bodies such as a Hall magnetic shaft and an optical axis, the application range is wide, the conduction structures of the shaft bodies such as the Hall magnetic shaft and the optical axis are awakened to realize signal transmission when the device is pressed, the conduction structures of the shaft bodies such as the Hall magnetic shaft and the optical axis are not interfered when the device is not pressed, and the shaft bodies such as the Hall magnetic shaft and the optical axis enter dormancy; therefore, the purpose of saving the electric quantity of the wireless keyboard is achieved, power consumption is reduced, the service life of the wireless keyboard is prolonged, and people can use the wireless keyboard conveniently.

The invention relates to the technical field of motor controllers, and discloses an active circuit breaker, a motor controller, an electric assembly and a vehicle, the active circuit breaker comprises a conducting strip assembly, the conducting strip assembly comprises a first conducting strip and a second conducting strip, and the first conducting strip and the second conducting strip are arranged at an interval in the width direction of the first conducting strip; the detonating device is arranged between the first conducting strip and the second conducting strip, the detonating device is provided with a conducting pin, the extending direction of the conducting pin is parallel to the thickness direction of the first conducting strip, the detonating device is provided with a first firing pin and a second firing pin, the first firing pin is used for impacting the first weak part, and the second firing pin is used for impacting the second weak part. According to the active circuit breaker disclosed by the invention, the space in the thickness direction of the first conducting strip can be utilized for mounting the conducting pin, so that the space in the width and length directions of the first conducting strip can be more redundant, other structures of the motor controller are convenient to mount, and the internal space of the motor controller is optimized.

The utility model provides a current-limiting tripping device and a fusion switch, and relates to the low-voltage electrical field. The current-limiting tripping device comprises an operating mechanism, the operating mechanism comprises an energy storage module and a tripping module, and when a pre-charging loop switch body and a main loop switch body of the fusion switch are switched on through manual or electric operation, the energy storage module can store energy and is locked with the tripping module; the tripping module is connected with the main loop switch body, the main loop switch body comprises a magnetic induction coil, the magnetic induction coil is electrically connected with the tripping module through the circuit board, and the magnetic induction coil is used for sampling current of a main loop of the fusion switch and driving the tripping module and the energy storage module to release limitation through the circuit board when the current of the main loop is larger than a preset value. The energy storage module releases energy so that the main loop switch body is tripped and opened. According to the current-limiting tripping device, tripping and opening can be rapidly carried out when large current appears in a main loop, the fusion switch is protected in time, and the reliability and the safety are improved.

The invention discloses a rapid switching-on mechanism and a circuit breaker, and relates to the technical field of circuit breakers, the rapid switching-on mechanism comprises a static contact and a moving contact, and the moving contact is pre-tightened in the direction away from the static contact through a first elastic piece. The transmission rod is arranged on the side, away from the moving contact, of the static contact and comprises a first abutting part and a bearing part, the first abutting part is used for abutting against the moving contact and compressing the first elastic piece, and the bearing part is provided with an avoiding groove. The clamping plate is provided with a first transmission part and a second transmission part which are connected with each other. The sliding block is arranged on the clamping plate in a sliding mode and connected with the second transmission piece, and a guide face is arranged on the sliding block. The locking block is arranged on the clamping plate in a sliding mode and comprises a contact end and a second abutting part, the contact end is in sliding fit with the guide face, and the second abutting part abuts against the bearing part. According to the rapid closing mechanism and the circuit breaker, the closing process can be accelerated, and the influence of electric arcs generated in the closing process on all parts of the circuit breaker is reduced.

The utility model provides a gear transmission mechanism of an off-circuit tap-changer. The gear transmission mechanism comprises a shell, a horizontal input shaft, a vertical output shaft, a large spiral gear, a supporting plate, a hollow sleeve shaft, a small spiral gear, a slot shifting piece, a small gear shaft, a small gear, a grooved wheel shaft, a grooved wheel and a large gear, the large spiral gear is fixed on the horizontal input shaft; the supporting plate is fixed in the shell; the hollow sleeve shaft is rotationally mounted in the shell; the small spiral gear is fixed on the hollow sleeve shaft and is meshed with the large spiral gear; the slot shifting piece is fixed on the hollow sleeve shaft; the pinion shaft is movably sleeved in the hollow sleeve shaft and is in transmission fit with the upper end of the vertical output shaft; the pinion is fixed on the pinion shaft; the grooved wheel shaft is rotationally installed in the shell. The grooved wheel is fixed on the grooved wheel shaft; and the bull gear is fixed on the grooved wheel shaft and is meshed with the pinion. The gear transmission mechanism is normalized in assembly requirement, convenient to produce in batches, stable and reliable in performance and not prone to being stuck, and the comprehensive performance of products is effectively improved.

The present invention relates to the technical field of disconnectors, and discloses an electric operating device for a high-voltage disconnector, comprising a switch assembly, a support seat, a rotating rod rotatably connected in the support seat, a drive sleeve fixed at the end of the rotating rod, and a drive plate fixed on the surface of the drive sleeve; an operating assembly, arranged on one side of the drive plate, comprising a separation and combination member, a support shell arranged on one side of the drive plate, and a screw rod rotatably connected in the support shell. The beneficial effects of the present invention are as follows: 1. The first spring is compressed or stretched by the screw rod, and the drive plate is driven to move quickly by the spring reset elastic force, so as to realize the rapid separation and closing of the knife switch, reduce the generation of arc, reduce the wear of the contacts, and extend the service life of the equipment; 2. An emergency disconnect mechanism composed of a reset member and an electromagnet is provided. When a circuit fails, the electromagnet drives the limit release, and the tension of the seventh spring prompts the reset block to push the moving seat, quickly opening the knife switch, avoiding the expansion of the fault, and ensuring the safety of the power system.

The invention discloses an ultrahigh-voltage circuit breaker operating mechanism, which relates to the technical field of circuit breakers and comprises a rigid connecting rod, a permanent magnet holding module, a holding block, a static opening coil, a static closing coil, a repulsive force disc and a dynamic power module, the retaining block and the repulsive force disc are fixedly arranged on the rigid connecting rod in a sleeving manner, the retaining block is arranged in a first moving channel between the permanent magnet retaining module and the static opening coil, the repulsive force disc is arranged in a second moving channel between the static opening coil and the static closing coil, and the dynamic power module is fixedly arranged outside the second moving channel in a sleeving manner; the permanent magnet holding module can provide upward suction force for the holding block; the static opening coil is electrified to provide downward repulsive force for the repulsive force disc; the static closing coil is electrified to provide upward repulsive force for the repulsive force disc; the dynamic power module is electrified to provide downward repulsive force or upward repulsive force for the repulsive force disc; the mechanism is compact in structure, quick and stable in opening and closing actions, excellent in reliability and long in service life, and meets the quick operation requirement of the ultrahigh-voltage circuit breaker.

The invention provides a 35kV isolation switch opening and closing device. The 35kV isolation switch opening and closing device comprises a substrate, a contact unit, a transmission assembly and a driving unit. The substrate is provided with two composite post insulators which are arranged at an interval; the contact unit comprises a first connecting part and a second connecting part, the first connecting part is connected with one composite post insulator, and the second connecting part can be connected with the other composite post insulator; the transmission assembly is arranged in the vertical direction, and the top end is connected with the second connecting part. The driving unit is connected with the bottom end of the transmission assembly and used for driving the transmission assembly to move in the vertical direction, and the transmission assembly drives the second connecting part to move; wherein the driving unit drives the transmission assembly to move, and the transmission assembly drives the second connecting part to be in contact with or disconnected from the corresponding composite post insulator, so that switching-on or switching-off is realized. The invention provides a 35kV isolation knife switch opening and closing device, and aims to solve the problem of poor safety caused by manual close-range opening and closing of an isolation knife switch in the prior art.

The present invention relates to a quick-break circuit breaker, which includes a main shaft, a spring operating mechanism, a permanent magnet operating mechanism and a closing and opening holding mechanism. The main shaft is respectively connected to three insulating tie rods of the circuit breaker through three sets of triangular link plates arranged in the same direction; the spring operating mechanism includes a closing assembly connected to the main shaft, and a closing spring arranged on one side of the closing assembly. The closing assembly can store energy in the closing spring to drive the circuit breaker to close; the action rod of the permanent magnet operating mechanism is connected to the main shaft through a connecting plate to drive the circuit breaker to open; the closing and opening holding mechanism includes a holding spring, and the torque of the holding spring is balanced with the torque generated by the main shaft to maintain the closing or opening state of the circuit breaker. In the present invention, the spring operating mechanism and the permanent magnet operating mechanism are independent of each other, not restricted by time and position, reducing the possibility of the circuit breaker's no-load operation and improving the stability, reliability and rapidity of the action.

The invention discloses an outdoor high-voltage isolation switch mechanism and device, and belongs to the technical field of electrical equipment, the outdoor high-voltage isolation switch mechanism comprises two movable contact pieces, a first static contact piece, a second static contact piece and an elastic closing assembly, the elastic closing assembly comprises a first spring, a locking structure, two groups of pin shafts, two rotating cylinders and two pull wires, the group of pin shafts comprises three pin shafts which are arranged at intervals along the length direction of the movable contact pieces, the movable contact pieces are provided with mounting holes for the pin shafts to penetrate in a sliding manner, one end of each pin shaft is fixedly provided with a limiting block, the other end of each pin shaft is sleeved with a first sliding ring and a second sliding ring in a sliding manner, and the first sliding rings and the limiting blocks abut against the opposite surfaces of the two movable contact pieces respectively; the two ends of the first spring abut against the opposite end faces of the first sliding ring and the second sliding ring respectively. The locking structure is used for transmitting torque to the rotating drums, the rotating directions of the two rotating drums are opposite, and the locking structure is further used for enabling the two rotating drums to be relatively fixed. According to the invention, the convenience of tightening the moving contact can be improved.

The invention relates to the field of low-voltage electric appliances, in particular to an operating mechanism and a switching device, the operating mechanism comprises an opening assisting structure, the opening assisting structure can apply opening assisting force to a rotating shaft of the operating mechanism before, when or after a main spring of the operating mechanism starts to release energy, and the opening assisting force enables the rotating shaft to rotate towards an opening position. Therefore, the operation mechanism and the switching device can be ensured to successfully carry out opening operation.

The present invention discloses an operating mechanism of a multi-connection conversion switch, comprising a rotating handle, a central operating shaft and a transmission operating shaft, wherein a driving crank arm is provided on the central operating shaft, the driving crank arm is provided with a driving part, a driven crank arm is provided on the transmission operating shaft, the driving part and the driven crank arm are provided with a transmission structure, and the transmission structure comprises a motion guide groove and a push block structure, during the rotation process, the driving part on the driving crank arm drives the driven crank arm and the transmission operating shaft to rotate simultaneously through the cooperation of the motion guide groove and the push block structure, so that the rotating handle can drive the central operating shaft and the transmission operating shaft to rotate together, and multiple groups of universal conversion switches execute closing or opening actions at the same time. The advantage of such a design is that the customer can disperse the multiple groups of circuits that need to be controlled on the multiple groups of universal conversion switches, thereby avoiding the problem of the universal conversion switches being too long, the transmission distance of the central operating shaft and the transmission operating shaft is small, the structural strength is high, the transmission is reliable, and the action consistency is good.

The excitation fuse comprises a shell provided with a cavity, a conducting bar is arranged in the shell in a penetrating mode in a sealed mode, a piston and an ignition device are arranged in the cavity of the shell on one side of the conducting bar, and a displacement channel for the impact end of the piston to penetrate through is arranged at the position, needing to be disconnected, of the conducting bar. A sealing plate is arranged at the end, facing the piston, of the displacement channel and makes close contact with the shell on the periphery of the displacement channel, and a sealing structure is arranged between the sealing plate and the shell on the periphery of the displacement channel. The sealing plate is provided with a profiling through hole corresponding to the displacement channel, the profiling through hole allows the impact end of the piston to penetrate through and imitates the peripheral size and shape of the impact end of the piston, arc extinguishing chambers are arranged on the shell on the other side, away from the piston, of the conducting bar, and when the number of the arc extinguishing chambers is multiple, the arc extinguishing chambers are independently arranged. According to the invention, by arranging the sealing plate with the profiling through hole and the sealing structure, the sealing performance and the breaking reliability of the product are improved.

The invention belongs to the technical field of disconnecting switches, and relates to an operating mechanism of a disconnecting switch, which comprises a shell internally provided with a cavity, a second gear rotationally arranged in the cavity, a top operating wheel used for driving the second gear to rotate, a clamping plate coaxially and rotationally arranged with the second gear, an output driven piece in transmission connection with the clamping plate, and a spring assembly, one end of the spring assembly is connected with the second gear and eccentrically arranged relative to a rotating shaft of the second gear, and the other end of the spring assembly is connected with the outer end of the clamping plate, so that when the input driving part drives the second gear to rotate forwards, the spring assembly is compressed until the eccentrically arranged end crosses a connecting line of the other end and the rotating shaft of the second gear; and then the spring assembly releases elastic potential energy and pushes the clamping plate to drive the output follower to reversely rotate together. Compared with the prior art, flexible transmission is adopted between the input driving part and the output driven part, so that the switching-on and switching-off speed of the mechanism does not depend on manual operation, and the switching-on and switching-off speed is increased.

A spring operating mechanism switch driving device comprises a rack, a ratchet wheel transmission assembly and a closing spring energy storage mechanism are connected to the rack, the ratchet wheel transmission assembly is provided with a ratchet wheel shaft, one end of the ratchet wheel transmission assembly is fixedly connected with a ratchet wheel, the ratchet wheel is driven by a motor through a transmission device to rotate, and the lower portion of the ratchet wheel is connected with and drives the closing spring energy storage mechanism to act; the other end of the ratchet shaft is fixedly connected with a cam, and a pressing flange is arranged on the peripheral contour of the cam; one side of the cam is connected with a travel switch assembly, the travel switch assembly is located on the side opposite to the pressing flange, and the cam can be driven by the ratchet shaft to rotate and trigger the travel switch to be closed through the pressing flange. And the power-off state of the spring operating mechanism of the circuit breaker is realized by pressing and closing the cam structure.

The invention discloses a high-voltage isolating switch operating mechanism which comprises a bottom plate for installing parts, an operating motor and a gear are arranged on the bottom plate, the operating motor drives the gear to rotate, a closing pawl and an opening pawl are arranged on one side face of the gear, and the closing pawl and the opening pawl are arranged on the other side face of the gear. The outer side of the gear is provided with a switching-on position tip and a switching-off position tip which are respectively corresponding to the switching-on pawl and the switching-off pawl. The gear is sleeved on the main shaft, a driving wheel is coaxially fixed on the main shaft, and a driving wheel closing convex edge and a driving wheel opening convex edge which respectively correspond to the closing pawl and the opening pawl are arranged on the driving wheel and are positioned between the closing pawl and the opening pawl. A two-way clutch and a motor controller are omitted, and the purposes of being simple in structure, low in cost, stable in performance and easy to operate are achieved.

The utility model provides a transmission mechanism and an isolating switch, and belongs to the technical field of electrical equipment. The transmission mechanism is applied to the disconnecting switch, the disconnecting switch comprises a moving contact assembly, and the transmission mechanism comprises a support, a swing lever, a connecting rod assembly and an energy storage part. The swing lever is rotationally connected to the support. The first part of the connecting rod assembly is rotatably connected to the support, and the second part of the connecting rod assembly is connected with the moving contact assembly. The first end of the energy storage piece is connected to the swing lever, and the second end of the energy storage piece is connected to the third part of the connecting rod assembly. The energy storage piece is located on the first side of the connecting rod assembly, and when the swing lever swings relative to the support, the energy storage piece swings along with the swing lever and stores energy. When the energy storage part swings from the first side of the connecting rod assembly to the second side of the connecting rod assembly, the energy storage part releases energy to drive the connecting rod assembly to act to drive the moving contact assembly to rotate. The connecting rod assembly is combined with the moving contact assembly, so that the probability that the contact assembly of the disconnecting switch cannot be disconnected or closed is reduced.

The present disclosure discloses a ring main unit (RMU) comprising a gas box, a fixing frame fixed to the inner side wall of the gas box, and a circuit breaker switch located within the gas box. The circuit breaker switch includes a circuit breaker body. The circuit breaker body includes an insulating housing and a first end and a second end located at opposite ends of the insulating housing. The first end is provided with a first fixing seat, and the second end is provided with a second fixing seat. The first and second fixing seats are both metal members and each encloses a shielding space to cover the conductive members provided on the first and second ends. The first fixing seat is fixed to the fixing frame via an insulator, and the second fixing seat is fixed to the fixing frame via another insulator.