46results about "Switchgear with vertical withdrawal" patented technology

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 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.

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 relates to the technical field of power distribution cabinets, in particular to a wall-mounted protective power distribution cabinet for outdoor use, including an external module and an electrical module, the external module is fixedly connected with a connection module and a fixed module, and the external module includes a top plate , the top surface of the top plate is fixedly connected with a top shield, the two short sides of the bottom surface of the top plate are fixedly connected with side plates, the two ends of the long side of the bottom surface of the top plate are fixedly connected with shaft blocks, and the two shaft blocks The opposite surface is fixedly connected with a fixed rod. In the present invention, the L-shaped plate can be moved downwards out of the external module through the fixed connection between the L-shaped plate and the connecting block. Both sides and the top of the upper circuit will not be blocked, maintenance personnel have a large operating space to overhaul the circuit, and the power distribution cabinet can be installed at a higher position, and personnel can pass under the power distribution cabinet, which is more economical space.

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.

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.

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 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.

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 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.