54results about "Switchgear with vertical withdrawal" patented technology

The invention discloses a floor type circuit breaker electric propulsion mechanism, which comprises a gear box fixed on a floor type circuit breaker, a lead screw which passes through the center of the gear box and a clutch box which is fixed on the static car fixed frame and penetrated by the lower end of the lead screw, wherein the gear box is provided with a gear nut which forms a trapezoidal thread screw assembly with the lead screw, and a motor gear is meshed with the gear nut in the gear box; a chuck plate is provided in a clutch box port; the center of the chuck plate is provided with a rotating keyhole; the lower part of the lead screw in turn passes through the top of the clutch box, the rotating keyhole at the center of the chuck plate and the static car fixed frame; the lead screw which is arranged in the clutch box is matched with a limit sleeve; the lead screw at the position in which a kidney-shaped hole is formed in the lead screw is glidingly arranged with a cam. A spring is connected between the top of the cam and the limit sleeve; the cam can be clamped in the rotating keyhole at the center of the chuck plate under the action of the spring. The floor type circuit breaker electric propulsion mechanism meets the requirements of modern power grids such as miniaturization, automation, intelligence and high reliability on switchgears.

The invention discloses a switch cabinet and an incoming and outgoing line function module thereof. The incoming and outgoing line function module comprises a conducting core with an axis extending linearly and a core-penetrating type mutual inductor sleeved on the periphery of the conducting core, the front end and the rear end of the conducting core are respectively provided with a first connection structure and a second connection structure which are serially connected on a main loop of the switch cabinet, the conducting core and the mutual inductor are solidified into a whole through an insulator casted on the outsides thereof, and the surface of the insulator is provided with adaptation holes which are corresponding to the first connection structure and second connection structure respectively and used for leading in an external conductor for conducting electricity and leading out an external conductor for conducting electricity. The core-penetrating type mutual inductor with the conducting core penetrating from the center is adopted in the incoming and outgoing line function module, and is casted into a whole through epoxy resin to form the incoming and outgoing line function module with a CT, space of a cabinet body is effectively utilized by the arrangement, and height of the cabinet body is decreased.

The invention discloses a perpendicular lifting type entirety type double-power-source power supply device. The device comprises a support provided with a vertical beam in the middle, a busbar integral insulating contact case fixedly arranged at one side of the top of the support, lifting mechanisms arranged at the two sides of the vertical beam of the support and a hand cart arranged on the support plate and borne with multiple side output linear poles and an execution mechanism. According to the perpendicular lifting type entirety type double-power-source power supply device, the inside of an insulator is covered with the entirety of a busbar, positioning and insulation of the busbar are achieved through the insulator, the using safety is improved, the busbar is directly connected to a wire inlet end and a wire outlet end, for example, the busbar is integrally formed with the wire inlet end and the wire outlet end, or the busbar is in welding connection with the wire inlet end and the wire outlet end, thread connection is reduced, the insulation processing difficulty at the junction is lowered, particularly the busbar is poured after being connected to the wire inlet end and the wire outlet end, the junction is naturally shielded, the later processing difficulty is reduced, and the reliability is improved.

The invention aims to provide a high-voltage switch cabinet which is safe to use. The high-voltage switch cabinet comprises a switch cabinet body and the switch cabinet body is internally provided with a worktable for fixing a high-voltage circuit breaker; the high-voltage switch cabinet is characterized in that the switch cabinet body is internally provided with a slide rail and a chain is arranged at the side part of the slide rail; the worktable is erected on the slide rail in a sliding manner; the worktable is provided with a motor; and the motor is connected with a gear matched with the chain through a transmission mechanism. When the high-voltage circuit breaker needs to be pushed in or moved out, an operator can remotely control the work of the motor; the motor drives the gear to rotate through the transmission mechanism and wheel teeth of the gear are inserted into the chain; and the chain is fixed and the gear rotates to push the worktable to move on the slide rail, so as to push in or move out the high-voltage circuit breaker. In an operation process, a worker is far away from the high-voltage circuit breaker, so that the electric shock danger does not exist and the use is safe and reliable.

A support assembly is for an electrical system. The electrical system includes a network protector and a number of disconnect switches coupled to the network protector. The support assembly includes: an insulative mounting member coupled to each of the disconnect switches; a number of base assemblies each including a housing assembly and a stand assembly disposed on the housing assembly, the housing assembly being coupled to the insulative mounting member; and a lifting apparatus disposed on each of the base assemblies. The lifting apparatus moves each of the insulative mounting member and the housing assembly in a direction transverse to the stand assembly.

The present invention discloses a high-voltage enclosed switch cabinet. The high-voltage enclosed switch cabinet comprises a cabinet body, a breaker observation window is arranged at the door of the cabinet body, and upper and lower contact boxes are arranged in the cabinet body; a breaker with an isolation switch is arranged between the upper contact box and the lower contact box, the structures of the upper contact box and the lower contact box are same, and the upper contact box and the lower contact box are internally provided with fixed contacts; and the breaker is controlled to switch on or off by the operation mechanism of the breaker, upper and lower isolation switch moving contacts capable of vertically moving are arranged on the breaker, and the breaker controls the on state with the fixed contact through vertical telescoping to realize the mutual locking with the isolation switch. The switch cabinet is configured to directly install a valve on a contact box, the valve is directly pushed to open by a moving contact, and the transmission mode is simple and feasible, any extra transmission mechanisms are not needed, and the operation is convenient; and a breaker with an isolation switch is used to reduce the occupied space to a great extent, greatly decrease the size of a device and facilitate transportation and installation, and an observation window is arranged on the cabinet body, so that the running condition of portions such as a breaker and the like may be timely observed, and the safety of the device is ensured.

The invention relates to a lower door interlocking device of a two-hole operating mechanism. The lower door interlocking device comprises a main body, a lower door and a driving gear arranged on the main body, wherein the lower door is correspondingly arranged below the main body; an interlocking assembly is arranged below the driving gear, and comprises a transmission gear, a support plate, a locating pin and an interlocking slide plate; the support plate is fixed on the main body; an arc strip-type hole is formed in the support plate; the transmission gear is engaged with the driving gear; the locating pin is arranged on one side of the center of the transmission gear, and is perpendicular to the transmission gear; a travelling strip-type hole which can be matched with the locating pin to allow the interlocking slide plate to move up and down is formed in the interlocking slide plate; and a bolt is arranged at the lower part of the interlocking slide plate. According to the lower door interlocking device of the two-hole operating mechanism, the transmission gear drives the locating pin to form an eccentric wheel, and rotation of the transmission gear drives the interlocking slide plate to move up and down, so that the lower door interlocking device is ingenious in overall structure design, simple to mount and realize, low in manufacturing cost, safe and reliable, and is suitable for popularization and application.

The present invention relates to the technical field of explosion-proof electrical equipment for mines, and the present invention discloses an explosion-proof permanent magnetic vacuum high-voltage power distribution device for mines, which comprises a cabinet, an isolation oil pool, a lifting platform and a permanent magnetic vacuum circuit breaker. The cabinet is hollow, an explosion-proof cabinet door is hinged on one side, a plurality of vertically extending guide rods are arranged around the inner periphery, the lifting platform is slidably connected to the guide rod, the isolation oil pool is arranged at the bottom center of the cabinet, the interface of the permanent magnetic vacuum circuit breaker is slid downwardly arranged on the lifting platform, the three-phase wiring copper bar is arranged in the isolation oil pool, and the circuit breaker interface is arranged on the top. Compared with the prior art, the present invention has the advantages that the interface of the permanent magnetic vacuum circuit breaker and the connected copper bar are immersed in the oily liquid pool to achieve isolation from the external air, and when the permanent magnetic vacuum circuit breaker is replaced, the interface can also be placed below the oily liquid level, which can avoid contact with external flammable and explosive gases, and ensure the explosion-proof and flameproof effect of the device.

The present invention relates to a plug connection frame for an electrical plug-in switching device, in particular a plug-in circuit breaker. The plug connection frame is provided with a position sensor for determining the position of the plug-in switching device in the plug connection frame, and is provided with at least two switch actuators (60, 61, 62) which are cooperated and connected with the position sensor. When the position sensor (15) determines that the plug-in switching device is at a connection position, the first switch actuator (60) operates a display device (50) in a manner that the display device is moved to the connection position (VE) for display, and when the position sensor (15) determines that the plug-in switching device is at a non-connection position, the second switch actuator (62) operates the display device (50) in a manner that the display device is moved to the non-connection position (NV) for display.

The invention discloses a mining vacuum feeder switch device with isolating fractures. The mining vacuum feeder switch device comprises an anti-explosion shell, an intelligent vacuum contactor arranged in the anti-explosion shell and a conductive mechanism electrically connected with the vacuum contactor, and is characterized in that a displacement mechanism used for driving the intelligent vacuum contactor to reciprocate is further arranged in the anti-explosion shell; the intelligent vacuum contactor is provided with inserted connection type power-side electric columns, and the conductive mechanism is provided with inserted connection type power-side electric sleeves; under the driving of the displacement mechanism, the intelligent vacuum contactor drives the power-side electric columns on the intelligent vacuum contactor to be inserted into or moved out of the corresponding power-side electric sleeves in the conductive mechanism, and the isolating fractures are formed by the power-side electric columns and the corresponding power-side electric sleeves after the power-side electric columns are moved out; a transparent observing window used for observing the isolating fractures is arranged in the anti-explosion shell. According to the mining vacuum feeder switch device, as the visible isolating fractures are formed, the safety performance is greatly improved.

A metal-clad compliant grounding / earthing switch device configured for use within conventional switchgear is described. The device is equipped with adequate and compliant insulation of all bus connections, and is configured to close during maintenance outages grounding the live parts of the circuit feed by a particular breaker. The device enables electricians to perform maintenance and repairs in the event of an outage safely, and without the need to manually install a temporary Ground-and-Test Device. An insulated clam shell is present to limit fault propagation from live components until components are confirmed as grounded prior to maintenance of the switchgear.

The invention discloses a perpendicular lifting type high safety double-power-source power supply device. The device comprises a support provided with a vertical beam in the middle, lifting mechanisms arranged at the two sides of the vertical beam of the support and a hand cart arranged on the support plate and borne with multiple side output linear poles and an execution mechanism. According to the perpendicular lifting type high safety double-power-source power supply device, the execution mechanism is arranged on the support plate which can be lifted and descended, the height space is made full use of, and the motion mechanism is simplified; a front door plate and a rear door plate which homodromously move and is arranged in a front-rear spaced mode are adopted, and a front-rear stacking form is adopted, the design space of a movable door is effectively saved, the miniaturization of the drive mechanism is achieved, the structure is reasonable, the front door plate and the rear door plate are utilized through motion control over intermittent drive translation of the hand cart, overlapping or staggering corresponding to through holes is achieved, the safety is effectively guaranteed, the achievement is simple, and the motion is reliable.

The present invention discloses a high-voltage switch cabinet. The high-voltage switch cabinet includes a cabinet body and a jacking type vacuum circuit breaker, wherein the jacking type vacuum circuit breaker comprises a side-mounted vacuum circuit breaker and a jacking device, wherein the side-mounted vacuum circuit breaker comprises a vacuum circuit breaker body and a base, wherein the bottom of the vacuum circuit breaker body is arranged in the base, the vacuum circuit breaker body comprises three phases of electrode columns and a side-mounted type operation mechanism, wherein the side-mounted operation mechanism comprises an operation panel arranged on the cabinet body of the switch cabinet, and an executing mechanism used for driving three vacuum switch tubes to be switched on and switched off synchronously. The high-voltage switch cabinet is characterized in that the top ends of the electrode columns are provided with insulation protection bowls, wherein each of the insulation protection bowls has a tapered cavity; the top of each of static contacts is provided with a plum blossom type contact seat, wherein the plum blossom type contact seat is located at the center of the bottom of the corresponding insulation protection bowl; and the tops of the plum blossom type contact seats are lower than the top ends of the insulation protection bowls. The overall width of the high-voltage switch cabinet of the present invention can be reduced, and electrical insulation between phases can be enhanced.

The invention provides a longitudinal-rotating removable-type indoor AC metal-enclosed switchgear. According to the structure, a guard plate, a wall-through bushing, a sensor, a current transformer and a ground switch are arranged on cabinet body; a main bus and an upper contact of an isolation switch are arranged on the wall-through bushing; a lower contact of the isolation switch is arranged on the sensor; the lower contact of the isolation switch is connected with an incoming line at the upper end of the current transformer by using a copper bar; and an outgoing line at the lower end of the current transformer is connected with a contact of the ground switch by using the copper bar and the outgoing line is prolonged for installation as a cable. The longitudinal-rotating removable-type indoor AC metal-enclosed switchgear has the advantages that the structure of a switch cabinet is simple, a switch unit is in a longitudinal-rotating removable form, product maintenance is facilitated, the production efficiency of a product is improved, the guarantee of the product quality is improved, no harmful gas is generated, all parts can be recovered after the service life is reached, the environmental protection property of the product is greatly improved and the longitudinal-rotating removable-type indoor AC metal-enclosed switchgear adapts to the environmental protection requirements.

Disclosed is a high-secure and dual-power supply device. The high-secure and dual-power supply device comprises a support, an integrated insulation contact box which is steadily set up at a busbar at the top side of the support, several terminal posts in lateral outlet line type and an actuator which are set up on a supporting plate, a retractable and mobile valve of the high-voltage insulation, as well as a mechanical interlocking device. The actuator is set up at the lifting supporting plate for making full use of the height space and simplifying the action device. A front door plank and a rear door plank moving around are adopted and set up in interval. The front door plank and the rear door plank are stacked one after another for effectively saving the design space of the valve and realizing the miniaturization of a driving device and a reasonable structure. Controlling a motion of the intermittent handcart-driven translation of the front door plank and the rear door plank can realize corresponding overlap or stagger of the hole for effectively guaranteeing the security and implementing a concise and reliable motion.

The invention discloses a vertical lifting-type high-security double-power supply device, which comprises a bracket, busbar-integrated insulating contact boxes, lifting mechanisms and a handcart, wherein a vertical beam is arranged in the middle of the bracket; the busbar-integrated insulating contact boxes are fixedly arranged at one side of the top of the bracket; the lifting mechanisms are arranged at two sides of the vertical beam of the bracket; and the handcart is arranged on a support plate and bears a plurality of side outlet pole posts and execution mechanisms. Busbars are integrally coated with an insulator, and location and insulation of the busbars are achieved by using the insulator, so that the use security is improved; the busbars are directly connected with an inlet end and an outlet end, for example, the inlet end and the outlet end and the busbars are in integral formation or welded connection, so that threaded connection is reduced and the insulating treatment difficulty of the connected part is reduced; especially, the busbars are connected with the inlet end and the outlet end and then cast, and the connected part is naturally shielded, so that the after-treatment difficulty is reduced and the reliability is improved.

The invention relates to a longitudinal movable-type circuit breaker centrally installed switchgear, a circuit breaker truck can be longitudinally pushed or pulled from a circuit breaker chamber is realized through arranging a busbar chamber, the circuit breaker chamber and a cable chamber from top to bottom; an upper disconnecting switch moving contact and a lower disconnecting switch moving contact which are synchronously driven by a link mechanism are arranged on the circuit breaker truck relative to each fixed contact seat group; the upper disconnecting switch moving contact and the lower disconnecting switch moving contact move in reverse direction through driving the link mechanism to respectively insert to an upper fixed contact seat in the busbar chamber and a lower fixed contact seat in the cable chamber, then an upper disconnecting knife and a lower disconnecting knife are synchronously closed; and truck circuit breaker closing operation is performed finally, and power transmission is completed.

A metal-clad compliant grounding / earthing switch device configured for use within conventional switchgear is described. The device is equipped with adequate and compliant insulation of all bus connections, and is configured to close during maintenance outages grounding the live parts of the circuit feed by a particular breaker. The device enables electricians to perform maintenance and repairs in the event of an outage safely, and without the need to manually install a temporary Ground-and-Test Device. An insulated clam shell is present to limit fault propagation from live components until components are confirmed as grounded prior to maintenance of the switchgear.

The invention discloses a high-voltage switch cabinet handcart switch guide rail. The high-voltage switch cabinet handcart switch guide rail comprises a guide rail structure, a bracket mechanism and apull rod; the bracket structure is installed in the middle of the guide rail structure, rollers are installed at the bottom of the bracket structure, and the pull rod is arranged at the handle end ofthe bracket structure. A worker can lift the guide rail structure off the ground by only operating the handle end; after the guide rail structure leaves the ground, the entire device only has the rollers at the bottom of the bracket structure in contact with the ground; so that the high-voltage switch cabinet handcart switch guide rail changes the sliding friction generated by the relative movement between the guide rail and the ground in the prior art to rolling friction; therefore, the friction is effectively reduced, and the work difficulty and risk are reduced.

The invention discloses a new type of miniaturized switch cabinet, which includes a cabinet body. A chassis car is detachably installed in the cabinet body, and a circuit breaker is installed on the chassis car through a lifting mechanism. The circuit breaker is placed on the chassis through the lifting mechanism. The vehicle moves up and down so that the circuit breaker is in the test or working position. In this way, the technical solution reduces the depth of the cabinet due to the up and down movement of the circuit breaker, greatly reduces the occupied area, reduces the loss of energy, and also The reliability is improved, and the engineering cost is also reduced at the same time, the user experience is good, and the application prospect is wide, thereby enhancing the market competitiveness of the manufacturer.

Disclosed is a high-secure and dual-power supply device. The high-secure and dual-power supply device comprises a support, an integrated insulation contact box which is steadily set up at a busbar at the top side of the support, several terminal posts in lateral outlet line type and an actuator which are set up on a supporting plate, a retractable and mobile valve of the high-voltage insulation, as well as a mechanical interlocking device. The actuator is set up at the lifting supporting plate for making full use of the height space and simplifying the action device. A front door plank and a rear door plank moving around are adopted and set up in interval. The front door plank and the rear door plank are stacked one after another for effectively saving the design space of the valve and realizing the miniaturization of a driving device and a reasonable structure. Controlling a motion of the intermittent handcart-driven translation of the front door plank and the rear door plank can realize corresponding overlap or stagger of the hole for effectively guaranteeing the security and implementing a concise and reliable motion.

An electrical connection is provided. An electrical connection apparatus includes a mechanism to transport a switch between a retracted position and an extended position. The mechanism includes multiple scissor arms. The mechanism includes a drive configured to receive power from a power source. The drive uses the power to extend the scissor arms to transport the switch to the extended position and retract the scissor arms to transport the switch to the retracted position.

The invention relates to the technical field of power distribution switch control equipment manufacturing and in particular discloses a lifting device of a side-mounted circuit breaker. The lifting device comprises a screw rod, a first sliding block, a second sliding block, a first connecting rod, a second connecting rod, a first linear guide track and a second linear guide track which are all positioned on a same side of a bottom disc, wherein the screw rod is positioned on the right disc surface of the bottom disc; outer threads are formed in the screw rod; the screw rod is sleeved by the first sliding block and the second sliding block; inner threads are formed in the first sliding block and the second sliding block; a driving mechanism is positioned at one end of the screw rod; one endof the first connecting rod is connected with the first sliding block; the other end of the first connecting rod is connected with the bottom of the circuit breaker; one end of the second connectingrod is connected with the second sliding block; the other end of the second connecting rod is connected with the bottom of the circuit breaker; one end of each of the first linear guide track and thesecond linear guide track is fixed on the right disc surface of the bottom disc; the other ends of the first linear guide track and the second linear guide track are connected with the bottom of the circuit breaker. By adopting the lifting device of the side-mounted circuit breaker, switching of working positions and testing positions of the circuit breaker can be achieved in an up and down movement mode.

The present invention provides a medium-voltage switch cabinet low-voltage secondary distribution room with a pull-down frame, and relates to the field of medium-voltage switch cabinet low-voltage secondary distribution room. The pull-down frame of the low-voltage distribution room includes a medium-voltage cabinet body and an operating door installed on the upper part of the medium-voltage cabinet body. The inner wall of the medium-voltage cabinet body is hinged with a spring rod assembly, and the other end of the spring rod assembly is hinged with a straight plate for tilting. The straight plate is provided with a straight groove inside, and a positioning block is slidably connected inside the straight groove. When the pull-down frame of the low-voltage distribution room is opened, the operating door does not need to use other tools, which is more convenient. When opened, the operating door can lower the position of the operating door, which is easy to operate, and can keep a safe distance between the operating door and the medium-voltage cabinet body. When closing the operating door, it only needs to lift the operating door upward. When the straight plate and the positioning block are in a horizontal state, the operating door is automatically closed, which saves time and effort. The slow movement of the operating door during the closing process can avoid damage.

A mounting frame for an electrical plug-in switchgear, in particular a plug-in circuit breaker, comprising an adapter base for electrically connecting the plug-in switchgear to a power supply, a spindle for lowering and raising the plug-in switchgear relative to the mounting frame, a crank (1) for actuating the spindle, a first side wall (2) for laterally holding and / or guiding the plug-in switchgear in the mounting frame, wherein the first side wall (2) has a crank opening (4) on its front side (3) for passing the crank (1) through the first side wall (2) to the spindle, wherein the first side wall (2) has a guide (8) extending to the front side (3) on the side (7) facing the plug-in switchgear, in which the plug-in switchgear can be guided.that a first shut-off device (20) is provided for releasing or at least partially covering the crank opening (4) and for releasing or covering the guide (8), wherein the first shut-off device (20) can be actuated manually or by the insertion switch, characterized in that a second shut-off device (30) is provided for releasing or at least partially covering the crank opening (4), wherein the second shut-off device (30) can be actuated by a closing slide (5).

A support assembly is for an electrical system. The electrical system includes a network protector and a number of disconnect switches coupled to the network protector. The support assembly includes: an insulative mounting member coupled to each of the disconnect switches; a number of base assemblies each including a housing assembly and a stand assembly disposed on the housing assembly, the housing assembly being coupled to the insulative mounting member; and a lifting apparatus disposed on each of the base assemblies. The lifting apparatus moves each of the insulative mounting member and the housing assembly in a direction transverse to the stand assembly.

The present invention relates to a switchgear or control gear, comprising at least one first compartment, at plurality of removable modules, a plurality of main switchgear or control gear components,and a plurality of auxiliary switchgear or control gear components. The plurality of main switchgear or control gear components comprises at least one main busbar system, at least one three position linear or rotational movement disconnector, at least one circuit breaker, and at least one cable connection. The plurality of auxiliary switchgear or control gear components comprises at least one disconnector drive and at least one circuit breaker drive. The plurality of removable modules are configured to be mounted horizontally within the at least one first compartment at a plurality of horizontal locations. The plurality of main switchgear or control gear components are configured to be housed in the at least one first compartment. The plurality of auxiliary switchgear or control gear components are housed in or associated with the plurality of removable modules. Each of the removable modules is configured to be moved vertically from its horizontal location. Movement of a removable module from its horizontal location, the movement comprising a vertical movement, is configured to move the one or more auxiliary components housed in or associated with that removable module.

The invention relates to a switchgear or controlgear comprising at least one first compartment, a plurality of removable modules, a plurality of main switchgear or controlgear assemblies, and a plurality of auxiliary switchgear or controlgear assemblies. The plurality of main switchgear or control gear assemblies includes at least one main busbar system, at least one three-position linear or rotary travel disconnect switch, at least one circuit breaker, and at least one cable connection. The plurality of auxiliary switchgear or control gear assemblies includes at least one disconnect switch driver and at least one circuit breaker driver. A plurality of removable modules are configured to be mounted horizontally at a plurality of horizontal positions within the at least one first compartment. A plurality of main switchgear or control gear assemblies are configured to be accommodated in at least one first compartment. A number of auxiliary switchgear or control device assemblies are housed in or associated with the number of removable modules. Each removable module is configured to move vertically from its horizontal position.