41results about "Switchgear with withdrawable carriage" patented technology

This invention discloses a pull-out switchgear interlock and switchgear, relating to the field of electrical equipment technology. The invention includes a cabinet with several parallel support bars fixed at equal intervals on both sides of the inner wall. A limit plate is fixed at the front of the support bars of the same height. Insulating sleeves are symmetrically and continuously fixed above the rear sides of the cabinet above two support bars of the same height. A drawer body is movably connected to the outer sides of two insulating sleeves of the same height. A connecting plate is fixed to the front end of each pivot, and a fixing shell is fixed to the front side of the connecting plate. A fixing block is fixed to the outer side of the conductive post at the rear of the inner wall of each drawer body. A through-hole is formed on one side of each fixing block. An insulating locking plate is movably connected to the through-holes in two fixing blocks within the same drawer body. Connecting rod one and connecting rod two are fixed to the bottom of the insulating locking plate near the fixing shell. The advantages of this invention are: during operation, unlocking and pulling out the drawer body can be performed with double power disconnection, making the operation safer.

The utility model discloses a high -voltage switchgear trolley handle device based on universal joint, including liftable trolley base, the liftable trolley base is provided with handle device based on universal joint, handle device based on universal joint is fixedly connected with the liftable trolley base. High -voltage switchgear trolley handle device based on universal joint, through the realization lateral orientation remote operation, operating personnel need not close -range front contact switch cabinet, effectively avoided because of improper operation and caused the electric shock etc. safety accidents, greatly reduced the operation risk, guaranteed the life safety of operating personnel.

The application belongs to the technical field of power equipment maintenance and intelligent control, and discloses a handcart switch unlocking and closing device, a closed-loop regulating system is constructed through a fuzzy PID adaptive control unit and a multi-dimensional data acquisition unit, the mechanical characteristics of different models of handcart switches can be dynamically adapted, the closing / unlocking success rate is improved, the problems of mis-closing and jamming are effectively avoided; meanwhile, relying on a lightweight LSTM edge fault diagnosis unit, the device operation time sequence data can be analyzed in real time, the trend faults such as battery aging and poor relay contact can be identified in advance, predictive maintenance is realized, the device sudden failure rate is greatly reduced, the unplanned maintenance is reduced, and the service life of the device and the matched handcart switch is prolonged; the bidirectional energy recovery power supply unit realizes the conversion and recharge of mechanical energy into electrical energy through a four-switch Buck-Boost structure, the energy recovery efficiency is improved, and the device endurance time is prolonged.

The utility model relates to drawer type switch cabinet technical field, and disclose a drawer type switch cabinet anti -misoperation device with mechanical interlock, solved the problem that the current locking pin is easy to loosen, it includes support and incoming line plug operating hole, the plug operating hole is equipped with the pinhole on, the outside of support is equipped with the anti -misoperation mechanism, the anti -misoperation mechanism includes the mounting plate fixed in the outside of support, and the symmetrical fixed connection of mounting plate and support has two guide posts, and the guide plate is movably connected between the two guide posts, and the side close to the pinhole of guide plate is fixedly connected with the locking pin, the utility model discloses, the locking pin is conveniently removed and inserted into the incoming line plug operating hole or from the incoming line plug operating hole, and through the cooperation between handle, pull rod, spring, slide, L type round rod, square and square frame, can lock the sleeve plate and avoid its arbitrary rotation, thereby being convenient for the fixed locking pin and avoiding its loosening.

The embodiment of the present disclosure provides an interlocking apparatus (3) for a drawer cabinet and a drawer cabinet. The interlocking apparatus (3) comprises a locking mechanism (4) arranged within a drawer (2) of the drawer cabinet and comprising: a bracket (41); a driving plate (43) coupled to the bracket (41); and a locking plate (42) coupled to the driving plate (43) and slidably connected to the bracket (41) in a second direction, and exit a locking hole of a fixing portion of the drawer cabinet during sliding of the driving plate (43) from the locking position to the unlocking position; and a limiting mechanism (5) arranged within the drawer (2) and located between a handle (21) of the drawer (2) and the locking mechanism (4), comprising: a fixing plate (51) coupled to the drawer (2); a cam crank arm (52) coupled to the handle (21) and adapted to rotate with the handle (21) between an opening position and a closing position; and a limiting member coupled to the fixing plate (51).

The utility model relates to the technical field of electric power equipment, and discloses an armored movable switch cabinet, which comprises a centrally installed switchgear, the left and right sides of the bottom of the inner wall of the centrally installed switchgear are fixedly connected with fixing plates, the bottoms of the two fixing plates are fixedly connected with a plurality of fixing sheets, the left and right ends of the rear side of the bottom of the inner wall of the centrally installed switchgear are fixedly connected with connecting blocks, and the connecting blocks are fixedly connected with the fixing sheets. A bottom plate is arranged at the tops of the two fixing plates, first connecting columns are fixedly connected to the left end and the right end of the rear side of the bottom of the bottom plate, the outer walls of the two first connecting columns are clamped to the inner walls of the two connecting blocks, and sliding grooves are formed in the left end and the right end of the front side of the bottom of the inner wall of the centrally installed switchgear; the inner walls of the two sliding grooves are slidably connected with moving pieces. According to the utility model, the fixation of the front side of the bottom plate can be relieved by unscrewing the screw and sliding the moving sheet, and then the rear side connecting column is separated from the connecting block, so that the bottom plate can be conveniently disassembled, and the maintenance channel can be rapidly opened.

The utility model relates to drawer interlock technical field discloses a drawer interlock device of switch cabinet, including main part assembly, including switch cabinet, be provided with drawer on the switch cabinet, the drawer has panel and rear chamber, interlock component is located on the drawer, including the lock mechanism of fixed in rear chamber inner wall, the drawer is provided with switching mechanism, the utility model has the advantages that: through design cooperation piece, when the operator presses button and unlocks the drawer position, can automatically push knob rotation, the circuit inside the drawer is powered off, avoids the operator to forget to open the drawer because of the situation that the power is off due to negligence, simultaneously when the operator follows normal safety operation procedure, first rotates the knob and makes the circuit power off, the design of cooperation piece will not have the influence to the operation of subsequent button pressing and unlocking the drawer position, guarantees that the operator can use switch cabinet skillfully, improves work efficiency.

The utility model discloses a transfer trolley suitable for ABB cable room voltage mutual inductor handcart, including bottom plate and the baffle of setting in bottom plate both sides, the width of bottom plate corresponds with the width of switch board, the side of baffle away from each other is provided with gyro wheel, one end of bottom plate has the movable plate of can rotate around bottom plate, the bottom of movable plate has with the locking structure of switch board lock hole correspondence, the side of baffle close to each other still is provided with the track of voltage mutual inductor handcart of cable room power cable movement. The utility model discloses convenient operating personnel with cable room voltage mutual inductor handcart from 10kV switch board draws to transfer trolley or with cable room voltage mutual inductor handcart from transfer trolley pushes into 10kV switch board, guarantees the security of cable room voltage mutual inductor handcart in the safety of transfer process simultaneously.

The invention relates to a handle for a compartment of a low, medium or high voltage switchgear, the handle comprising: - a body part; - a hand grasping part; - a lock; wherein, the handle is configured to move from a closed position to an open position; wherein, when the handle is in the closed position it is not useable to open a door of a compartment of a switchgear; wherein, when the handle is in the open position it is useable to open the door of the compartment of the switchgear; wherein, in the open position the hand grasping part is positioned such that a human user can grasp the hand grasping part; and wherein, in the closed position a transition of an active element in the compartment of the switchgear from a quiescent state to an active or potentially active state is configured to activate the lock, and wherein activation of the lock is configured to stop the handle from moving from the closed position to the open position.

The utility model relates to a kind of handcart automatic guiding device, including handcart chassis car, switch cabinet and the middle partition plate fixed in switch cabinet, further including two parallel side guide rail assemblies fixed in switch cabinet, two side walking wheels walking on side guide rail assembly are pivotally connected on the both sides of handcart chassis car, the bottom surface of handcart chassis car is pivotally connected with two front and rear arrangement bottom guide wheels, the middle partition plate is equipped with the guide groove compatible with bottom guide wheel, the utility model is combined by using bottom guide wheel, middle partition plate, U-shaped plate fixed on middle partition plate, side guide rail assembly and so on to form handcart automatic guiding device, after pushing, in the process of swinging into handcart, strictly according to the guide groove swing into working position, no longer left and right deviation occurs, ensure the reliability of electric swing, also exit in the process of moving handcart, reduce the tension of release, after moving to transfer trolley, ensure that the inside handcart is located at center, improve the safety of transfer car.

This invention discloses a power distribution control center, relating to the field of low-voltage complete power distribution equipment technology. It includes: a drawer structure installed inside a distribution cabinet at both ends via guide rails; a plug fixedly connected to one end of the drawer structure near the contact slot, and abutment blocks located on both sides of the plug; an air outlet groove and an air inlet channel opened on the side end of the venting platform; the air outlet groove communicating with a venting cavity opened on the venting platform; the air inlet channel communicating with the venting cavity via a rotating groove opened on the venting platform; a flip plate rotatably connected to the inner wall of the air outlet groove at both ends; a partition plate at the bottom of the flip plate; the flip plate and the partition plate located on the upper and lower sides of the air outlet groove, respectively; and the partition plate fixedly connected to the inner wall of the venting cavity. Beneficial effect: When each drawer structure is installed inside the distribution cabinet, a corresponding partition plate and flip plate form an independent closed channel, ensuring that the airflow from the inner cavity of the air inlet channel contacts the drawer structure through the closed channel.

This utility model relates to the field of low-voltage switchgear technology, and in particular to a closing interlocking mechanism for a drawer unit. The closing interlocking mechanism includes a closing interlocking bracket, a closing interlocking traction plate, and a closing interlocking locking plate. The closing interlocking traction plate has operating holes for the opening and closing shafts, allowing the opening and closing shafts to be inserted and causing the closing interlocking traction plate to rotate synchronously with the inserted opening and closing shafts. The closing interlocking traction plate drives the closing interlocking locking plate downwards to perform the closing interlock. The closing interlocking traction plate has a circular boss, which is coaxial with the operating holes for the opening and closing shafts. The closing interlocking bracket has a shaft hole that mates with the circular boss, allowing the circular boss to be embedded in the shaft hole for rotational support of the closing interlocking traction plate and the opening and closing shafts. The advantages are: by using the engagement of the circular boss and the shaft hole, only the closing interlocking traction plate needs to be manufactured in different specifications to accommodate opening and closing shafts of different thicknesses, while the closing interlocking bracket can be universal, simplifying the production process and reducing costs.

The utility model relates to low -voltage switchgear field, concretely provides a double -faced switch cabinet, including cabinet, cabinet is sequentially provided with front cabinet, interval room and rear cabinet, and the front cabinet includes the front drawer room of drawer and the front wiring room of intercommunication interval room, and the rear cabinet includes the rear drawer room of drawer and the rear wiring room of intercommunication interval room, and the front drawer room is provided with the front vertical busbar, and the front vertical busbar can be placed in interval room and rear wiring room, and the rear drawer room is provided with the rear vertical busbar, and the rear vertical busbar can be placed in interval room and front wiring room, the utility model does not need to consider the depth of interval room to set up vertical busbar, can operate cabinet manufacturing when the depth of interval room is reduced according to actual conditions, and further control the whole switch cabinet depth, let switch cabinet be smaller, be more suitable for the distribution room of space shortage, can directly overhaul, maintain the front vertical busbar through rear wiring room, also can overhaul, maintain the rear vertical busbar through front wiring room.

The application provides a drawer seat and a drawer type circuit breaker, and relates to the technical field of electrical equipment. The drawer seat comprises a bottom plate, a sliding plate, a positioning lock plate, a worm and a first bearing. The sliding plate is in sliding connection with the bottom plate, and is used for cooperating with a circuit breaker body. The positioning lock plate is fixedly connected to the bottom plate, and is provided with a through hole and a first mounting hole which are in communication with each other. The first mounting hole is away from the sliding plate relative to the through hole, and the first mounting hole and the through hole have a first step surface therebetween. The worm is partially arranged in the through hole and the first mounting hole, and one end of the worm close to the sliding plate is in threaded connection with the sliding plate. The first bearing is sleeved on the worm and located in the first mounting hole. One side of the first bearing facing the sliding plate is in rolling contact with the first step surface, and the other side of the first bearing away from the sliding plate is in rolling contact with a first limiting surface. The application can reduce the torque required when the circuit breaker body is shaken out of the drawer seat.

The application relates to the technical field of electrical equipment, in particular to a green modular drawer cabinet integrated type emergency quick socket, which comprises a main body frame, a drawer assembly and a first grafting assembly, the main body frame is internally provided with a mounting assembly for butting a drawer unit, the drawer unit is provided with a second grafting assembly close to the mounting assembly, and adjusting positioning pieces for auxiliary positioning are arranged on the two sides of the second grafting assembly; through the linkage structure of the second grafting assembly, the adjusting positioning pieces and the rotating piece, automatic state switching is realized; when the drawer assembly is pulled out to a maintenance position, the adjusting positioning pieces are separated from the rotating piece, the elastic grafting piece automatically butts and supplies power, illumination and power support of detection equipment are provided for the inside of the drawer, temporary power and illumination tools do not need to be additionally carried, the troubleshooting and maintenance process under the dark scene at night or outdoors is greatly simplified, and the maintenance efficiency is improved.

The utility model discloses a spare power automatic switching and motor protection quick switching device for security section relates to security section equipment technical field. The utility model discloses utilize open contact and closed contact to realize motor controller control power supply and self -starting function detection voltage quick switching between work and standby power supply, guarantee the switch in the spare power automatic switching process and keep in the operating state, the power failure of each equipment in the section is shortened to 1 within the hour from 6 seconds to restore time. Guarantee unit safe and reliable operation, through open contact and closed contact respectively introduce this section bus voltage signal and spare section voltage signal to motor protection voltage terminal, utilize the opening and closing contact synchronous action when switching contactor action, realized this section bus voltage and spare section voltage effective isolation, prevent two section voltage loop event from happening, through the open contact of switching contactor string connection work power insurance and work position contact point, cooperate with the closed contact of spare control power that introduces, prevent two control power loop.

The utility model relates to the technical field of electrical equipment, in particular to a switch convenient to overhaul, which comprises a cabinet body, a circuit breaker connected to the cabinet body, a supporting mechanism connected to the cabinet body and a supporting plate located in the cabinet body, and is characterized in that the supporting plate is fixedly connected to the supporting mechanism; the supporting mechanism drives the supporting plate to move in the direction close to or away from the center of the cabinet body, and the circuit breaker is detachably and fixedly connected to the upper portion of the supporting plate. The switch cabinet has the advantage that a user can conveniently overhaul the switch cabinet.

This utility model discloses a power equipment transfer trolley, including a supporting body and two guide rails for carrying power equipment. The two guide rails are arranged side by side on the supporting body along a first horizontal direction, and the distance between the two guide rails is adjustable. Positioning structures are provided between each guide rail and the supporting body to position the guide rails after adjustment. This utility model allows adjustment of the working width of the transfer trolley by adjusting the distance between the two guide rails, enabling the transfer trolley to adapt to medium-voltage switchgear of various width specifications, thereby significantly reducing the frequency of manual intervention and achieving universal transfer with "one trolley for multiple uses".

This utility model discloses a drawer with a padlock that can reduce costs and facilitate standardized control. It includes a main body with a connecting hole on the front side panel. A first guide hole extending along the length of the panel is provided on the panel next to the connecting hole. The drawer also includes a padlock assembly, which includes a support member fixed to the back of the panel, a slider disposed on the support member facing away from the panel and slidable relative to the support member along the length of the panel, and a padlock. The support member has a first lug passing through the first guide hole, and a guide member is provided on the back of the support member. The slider has a second guide hole that slides and limits with the guide member, a through hole or notch corresponding to the connecting hole, a second lug passing through the first guide hole and located above the first lug on the upper part of the slider, and a connector that mates with a structural component of the cabinet on the lower part of the slider. The padlock passes through the first and second lugs and is located on the front side of the panel. An electrical distribution cabinet including the above-mentioned drawer is also disclosed.

The present disclosure provides a closing and locking apparatus for a chassis cart comprising a closing and locking unit (5). The closing and locking unit (5) comprises a support plate (501), a latching plate (502), and an extension spring (503), wherein one end of the extension spring (503) is secured on the latching plate (502), and the other end thereof is secured on the support plate (501). The support plate (501) comprises a first limiting plate (5011) and a second limiting plate (5012); the latching plate (502) is rotatably secured onto a rotation shaft (5015) and, under the action of a driving plate (4), rotates clockwise or anticlockwise about the rotation shaft (5015). When the latching plate (502) rotates to be limited by the first limiting plate (5011), the driving plate (4) is separated from the closing and locking unit (5); and when the latching plate (502) rotates to be limited by the second limiting plate (5012), the driving plate (4) comes in contact with the closing and locking unit (5). The resetting of the driving plate (4) will drive the closing and locking unit (5) to rotate, about the rotation shaft (5015), away from the second limiting plate (5012) toward the first limiting plate (5011).

The present application relates to a kind of 24kv dual power distribution cabinet, including two transmission sleeve, two groups of locking assembly, two transmission ropes and elastic reset parts.The one end of transmission sleeve is equipped with radial clamping slot, for adaptive stop rotation cooperation with driving spindle when circuit breaker trolley is pushed into working position;Transmission sleeve outer periphery is equipped with cam surface, and the other end is equipped with lock hole.Elastic reset part applies restoring torque to transmission sleeve, to keep transmission rope collection and constant slot phase during trolley movement.Locking assembly includes polygonal lock tongue and spring.When any driving spindle closes and drives corresponding transmission sleeve to rotate, transmission rope is released through cam surface, and the other side lock tongue is inserted into corresponding lock hole to implement physical dead lock under the action of compression spring.Transmission gap accumulation is eliminated, high-strength forced interlocking of spindle level is realized, and the operation safety of system is significantly improved.

The embodiment of the present disclosure provides an interlocking apparatus for a drawer cabinet and the drawer cabinet. The interlocking apparatus comprises a bracket (2) coupled to a bottom surface of the drawer (7); a driving plate (3) adapted to slide in a first direction from a locking position to an unlocking position; a locking plate (4) arranged between a fixing portion (6) and the drawer (7) and partially inserted into a fixing hole (61) of the fixing portion (6), the locking plate (4) being slidably connected to the bracket (2) and adapted to slide along a second direction under pushing of the driving plate (3); and a blocking plate (5) coupled to the bracket (2) and shielding a handle insertion hole (71) of a rocker mechanism of the drawer cabinet, the blocking plate (5) being adapted to slide in a third direction under the pushing of the driving plate (3) during the sliding of the driving plate (3) from the locking position to the unlocking position.

This utility model discloses a low-voltage distribution cabinet busbar grounding device, which includes a pull-out base, an operating handle, an indicating mechanism, and voltage testing terminals. The pull-out base is detachably connected to the distribution cabinet, with its second end adjacent to the cabinet. A busbar connector and a switch are disposed within the pull-out base. The busbar connector is located at the second end of the pull-out base, with its first end connected to the busbar of the distribution cabinet and its second end connected to the first end of the switch. The second end of the switch is connected to the ground wire of the distribution cabinet. The operating handle is located at the first end of the pull-out base and is kinetically connected to the switch to drive the switch to connect or disconnect the path between the busbar connector and the ground wire. The indicating mechanism includes a circuit conversion unit and an indicator light. The circuit conversion unit is arranged within the pull-out base, and the indicator light is arranged at the first end of the pull-out base. The low-voltage distribution cabinet busbar grounding device provided by this utility model has the advantages of convenient operation and good safety.

The application discloses a heat dissipation type low-voltage draw-out switch cabinet and belongs to the field of switch cabinets. The technical scheme points of the application comprise a cabinet body and a drawer. The cabinet body is provided with an air inlet and an air outlet. The rear part of the drawer is provided with an air guide opening. The side part of the drawer is provided with an overflow opening. The cabinet body is provided with a dustproof cooling device. The air outlet end of the dustproof cooling device is provided with an air guide main pipe and a heat dissipation main pipe. The air guide main pipe is provided with an air guide auxiliary pipe. The air guide auxiliary pipe is provided with a compression cooling device. The air outlet and the overflow opening are provided with air guide fans. The cabinet body is internally provided with a plurality of heat dissipation pieces and compression cooling devices. The cabinet body and the drawer are provided with temperature sensors. The cabinet body is provided with a controller. The application can monitor the internal temperature of the cabinet body and the drawer at any time. When the internal temperature of the cabinet body and the drawer is too high, the temperature can be reduced through the compression of flowing air. The internal temperature of the cabinet body and the drawer can be reduced through the compressed cold air, so that the intelligent control and efficient cooling effect are achieved.

The utility model discloses a switchgear drawer hand -operated three position locking propulsion mechanism, including the baffle and the mechanism bottom plate on the baffle movement, the mechanism bottom plate is movable and is provided with the side lock board along the set direction, the movement of side lock board includes the locking position and the unlocking position for locking and unlocking drawer respectively, a plurality of top blocks are provided on the side lock board along the drawer movement direction. The utility model sets up hand -operated screw rod on the basis of the drawer in -out action to switchgear, realizes the drive of hand -operated screw rod to drawer through the locking limit of lock nut on the baffle to the locking limit of drawer, guarantees the controllable of drawer swing -in rate, stability when saving the effort of screw drive, so that the user can more stable, accurate, fast swing drawer to the required position.

Embodiments of this disclosure provide a drawer-type circuit breaker and its drawer and safety baffle device. The safety baffle device includes: a base including a support surface and a mounting groove; a pair of baffles supported by the support surface, including two baffles stacked together and slidable relative to each other in a predetermined direction; a pressing member elastically and telescopically disposed in the mounting groove and used to drive the two baffles to slide relative to each other; and a limiting member including: a connecting portion connected to the support surface and spaced a predetermined distance from the mounting groove in a direction perpendicular to the predetermined direction; and a limiting portion extending from the connecting portion to form a space between itself and the support surface to accommodate the two baffles.

This utility model belongs to the field of low-voltage power distribution technology, specifically relating to a temporary power supply device for low-voltage switchgear in nuclear power plants. The device includes a power supply drawer, a distribution drawer, and a temporary power supply cable. The power supply drawer is located in the power supply switchgear, and the distribution drawer is located in the power outage switchgear. Both the power supply drawer and the distribution drawer are equipped with space plugs. The temporary power supply cable connects the space plugs of the power supply drawer and the distribution drawer, and the power supply drawer supplies power to the distribution drawer through the temporary power supply cable. This device has low operational risk, eliminating the need for maintenance personnel to disconnect or reconnect cables in the energized cable compartment of the switchgear, thus eliminating the risk of electric shock. Users only need to perform simple switchgear drawer operations and cable connector connections to achieve temporary power supply to the load.

The application discloses a width-adjustable handcart switch pushing type transfer device, which comprises a transfer trolley and a platform assembly for carrying handcart type switch equipment, a foot-pedal type hydraulic cylinder is fixedly connected to one end of the transfer trolley away from the platform assembly, chain wheel assemblies are installed at the top of both ends of the power end of the foot-pedal type hydraulic cylinder, and the foot-pedal type hydraulic cylinder is connected with the platform assembly through the chain wheel assemblies. Two adjustable carrying plates are arranged in the inverted U-shaped support frame and matched with reverse lead screws and transmission nuts, flexible adjustment of the width of the carrying platform from 400 mm to 800 mm is realized, the device can be adapted to various specifications of handcart type switch equipment commonly used in power systems, and an operator only needs to step on the foot-pedal control part of the hydraulic cylinder, so that the platform assembly is driven to synchronously and stably ascend and descend along the guide rod of the transfer trolley through the fixed pulley type transmission of the chain wheel assemblies, and the platform inclination problem caused by the complicated adjustment of the traditional multiple support feet and the inconsistent height is fundamentally solved.