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661results about "Switchgear details" patented technology

Switch cabinet drawer side lock hand-pull propulsion mechanism

The invention discloses a switch cabinet drawer side lock hand-pull pushing mechanism which is used for a drawer to enter and exit into a switch cabinet, the switch cabinet comprises a bottom supporting plate, and the drawer is arranged on the bottom supporting plate; the locking assembly comprises an unlocking piece and a locking rod which are arranged on the drawer, and a positioning plate which is arranged on the bottom supporting plate. The locking assemblies arranged on the drawer and the bottom supporting plate respectively are adopted, a plurality of locking point positions are arranged, the position of the drawer can be accurately locked in the push-in and pull-out actions of the drawer, the locking assemblies are independent of a connecting structure between the drawer and the switch cabinet, the locking assemblies are not affected by the large dead weight of the drawer, the service life is effectively guaranteed, and the service life of the switch cabinet is prolonged. According to the drawer locking device, the accurate locking position is ensured, the microswitch and the telescopic position display assembly which are accurately and correspondingly arranged are matched, the position state is accurately identified when any point of the drawer is locked, a user can clearly obtain current position information, and user experience is friendly.
Owner:WECOME GRP

Switch cabinet with stroke measurement function

The invention belongs to the technical field of power switch cabinets, and particularly provides a switch cabinet with a stroke measurement function, which comprises a cabinet body, a handcart, a stroke measurement assembly and an attitude detection assembly, and is characterized in that the stroke measurement assembly comprises a first range finder and a current detector, the first range finder is arranged on the handcart, and the current detector is arranged on the handcart; and the current detector is connected between the moving contact mechanism and the bus. And the handcart is pushed forwards until the current detector is electrified, and the distance S1 measured by the first range finder is recorded. The handcart continues to be pushed until the handcart reaches a preset working position, the distance S2 measured by the first distance meter is recorded, and the difference between the two distances is the contact stroke of the contact. According to the invention, the stroke measurement assembly can measure the contact stroke of the contact, and the attitude detection assembly can detect the position attitude of the moving contact mechanism, so that the problem of poor contact of the contact can be found and processed in time, the frequency and cost of equipment overhaul and maintenance can be reduced, and the operation stability of a power grid can be improved.
Owner:HENGSHUI ELECTRIC POWER DESIGN CO LTD +2

Low-voltage draw-out type switch cabinet

The utility model discloses a low-voltage draw-out type switch cabinet. The low-voltage draw-out type switch cabinet comprises a draw-out type switch cabinet mechanism and a movement limiting and fixing assembly, the draw-out type switch cabinet mechanism comprises a switch cabinet body, a moving groove is formed in the switch cabinet body, and a moving rod is connected into the moving groove in a penetrating mode; the drawer cabinet is ensured not to fall off accidentally even if the drawer cabinet is moved out from the interior of the switch cabinet body, so that internal devices are prevented from being damaged due to falling off, the safety of the whole operation process is improved, the drawer cabinet can be kept stable in a drawn-out state, secondary damage caused by instability is prevented, and the service life of the drawer cabinet is prolonged. The drawer cabinet can be prevented from being separated from the switch cabinet body and falling on the ground, and various devices in the drawer cabinet are prevented from being damaged.
Owner:SHIJIAZHUANG QIHANG ELECTRIC POWER EQUIPMENT TECHNOLOGY CO LTD

Low-voltage complete switch cabinet with long service life

The invention relates to a high-service-life low-voltage complete switch cabinet applied to the field of power distribution, a feedback assembly is arranged on a movable mounting plate, a plurality of butt joint grooves with different diameters corresponding to the feedback assembly are formed in a static mounting plate, and in the closing process of a drawer body, the position accuracy of the drawer body can be monitored and fed back in real time through the feedback assembly; when the position of the drawer body deviates, movement of the drawer body can be stopped immediately and early warning can be carried out, so that the movable contact and the static contact are not prone to butt joint dislocation, damage of the movable contact and the static contact is reduced, the service life of the device is prolonged, meanwhile, the position deviation degree of the drawer body can be effectively judged through comparison of actual monitoring data and initial data of the feedback assembly, and the accuracy of the device is improved. Besides, through the arrangement of the image acquisition assembly, image acquisition is performed on the state of the feedback assembly, the position condition of each long rod is obtained, the position deviation degree of the drawer body is further visually and accurately judged, and a more effective data supporting effect is achieved for subsequent inspection of the drawer body.
Owner:HUNAN TAINENG ELECTRIC POWER CONSTRUCTION CO LTD

Propelling device and switch cabinet handcart

The invention relates to the field of switch cabinets, and provides a propulsion device and a switch cabinet handcart, and the propulsion device is installed on a handcart frame and comprises a supporting member, a screw rod, a nut seat and a pivot head. The pivoting head is installed in the middle of the supporting piece, and the lead screw is connected with the pivoting head; the nut seat is in threaded connection with the screw rod and is externally connected to a handcart type circuit breaker; the device further comprises a supporting locking piece, a bearing seat, a circuit breaker locking piece and a linkage piece. The support locking piece is connected with the support piece and is provided with a pivoting end and a clamping end; and the pivoting end is pivotally connected with the pivoting head, slides or rotates along the pivoting head, penetrates through the supporting piece and is arranged outside the screw rod in a sleeving manner. The connecting structure has the effect of improving the connecting stability through multiple locking.
Owner:XIAMEN HEAVY POWER EQUIPMENT CO LTD

A low voltage distribution cabinet

The invention discloses a low-voltage power distribution cabinet, which relates to the technical field of electric power and electrical equipment, and comprises a cabinet and a power distribution shell. The interior of the cabinet is provided with an installation device, a withdrawal device and a heat dissipation device. When the interior of the power distribution shell needs to be inspected, the power distribution shell cannot be taken out by directly moving it, and it must be taken out after the circuit breaker cuts off the internal power supply through a handle, an arc rod and a switch, so as to prevent electric shock accidents caused by misoperation or unexpected situations. The power distribution shell can be taken out through a latch, a trigger rod, a trigger block, a slide plate, a locking plate and a limit plate. By quickly withdrawing and sliding the power distribution shell, each drawer unit can be used as an independent functional module, which is convenient for installation, maintenance and replacement. This design also makes system expansion easier, and the growing power demand can be met by simply adding drawer units.
Owner:HEBEI HONGKUN ENG CO LTD

Draw-out type power distribution cabinet and use method thereof

The invention relates to the technical field of power distribution cabinets, in particular to a draw-out type power distribution cabinet and a using method thereof.The draw-out type power distribution cabinet comprises a main cabinet body, a guide rod and a drawer box, and a clamping mechanism, a transmission mechanism and a reset mechanism are installed at the bottom of the drawer box. In the process that the drawer box is taken out of the containing cavity of the main cabinet body, two sets of pop-up clamping blocks in the clamping assembly move towards the two sides and are clamped and locked with the two corresponding sets of guide rods, the drawer box is supported and fixed in the vertical direction, after the drawer box is overall taken out of the containing cavity, the drawer box can be unlocked and moved in the vertical direction, and therefore the drawer box can be conveniently taken out. According to the drawer cabinet, the two groups of pop-up clamping blocks in the clamping assembly can be driven by the reset mechanism to be reset and stored at the bottom of the drawer box, so that the two groups of pop-up clamping blocks are separated from the two groups of guide rods, and the drawer box can be disassembled, so that the problem that an existing drawer cabinet has high operation requirements on workers in the drawing and carrying processes due to the fact that the weight of the drawer cabinet is large is solved.
Owner:SHENZHEN JIDIAN ELECTRIC POWER TECH CO LTD

Intelligent safety protection device for switch cabinet

The invention relates to the technical field of safety protection of power system equipment, in particular to an intelligent safety protection device for a switch cabinet, which comprises a cabinet body, the cabinet body is divided into a four-chamber structure, the upper part of the cabinet body is a bus chamber and is internally provided with a wire row template, the middle part of the cabinet body is a circuit breaker chamber and is connected with the bus chamber through a bus joint end plate, and the lower part of the cabinet body comprises two chambers. The independent sealing structure of the four chambers of the cabinet body is combined with condensation and drying circulation processing of the circulation collection assembly on moisture, moisture permeation among the chambers is effectively avoided, and the risk of insulation degradation is reduced. A humidity sensor monitors humidity distribution of each chamber in real time, triggers a generator to drive fan blades to accelerate airflow circulation and prevent local condensation, and triggers a sound-light alarm when the water level of a collecting pipe exceeds the limit to avoid short circuit caused by overflow of condensate water; the environment sealing assembly is in linkage with the traction rod through the limiting guide frame, an opening of the heat dissipation cover can be rapidly closed when external dust or humidity is too high, an internal circulation mode is switched, external pollution is isolated, and the operation safety of the device is improved.
Owner:HEBEI KECHAO ELECTRICAL EQUIP CO LTD

High-protection low-voltage draw-out type switch cabinet and protection method thereof

The invention discloses a high-protection low-voltage draw-out type switch cabinet and a protection method thereof, and relates to the technical field of electrical equipment.The high-protection low-voltage draw-out type switch cabinet comprises a cold-roll steel sheet outer shielding layer, a double-layer shielding assembly is connected to the inner side of the cold-roll steel sheet outer shielding layer, and connecting grooves are symmetrically formed in the inner side of the double-layer shielding assembly; a draw-out type element mounting assembly is mounted in the connecting groove, the draw-out type element mounting assembly comprises a connecting bottom plate mounted in the connecting groove, a metal shielding cover is mounted at the top of the connecting bottom plate, and a first sliding groove and a second sliding groove which are symmetrically formed are formed in the side wall and the bottom wall of the metal shielding cover correspondingly; sliding plates are installed in the first sliding grooves, a fixing plate is installed between the two sets of sliding plates, and a ball guide rail is installed at the bottom of the fixing plate. By arranging the double-layer shielding assembly on the inner side of the cold-roll steel sheet outer shielding layer, the problems that an existing switch cabinet is poor in adaptability in a complex electromagnetic environment, and element faults and signal distortion are easily caused by electromagnetic interference can be solved.
Owner:NAN TONG HUAWEI POWER EQUIP CO LTD

Draw-out type switch cabinet

The invention discloses a draw-out type switch cabinet, and particularly relates to the technical field of switch cabinets, the draw-out type switch cabinet comprises a cabinet body, a plurality of drawer chambers distributed at intervals up and down are arranged in the cabinet body, the rear end of each drawer chamber is provided with a static contact mounting substrate, a drawer is slidably connected in each drawer chamber, and the rear end of each drawer is provided with a moving contact mounting substrate. Through the arrangement of the drawing assembly, on one hand, when the drawer is inserted into the drawer chamber, repulsive force is generated between the second electromagnetic part and the permanent magnet part, a buffering effect on insertion of the drawer is achieved, the drawer is prevented from colliding with the cabinet body, meanwhile, too large force generated when the contacts are inserted can be avoided, and abrasion between the contacts is reduced; and when the drawer is drawn out of the drawer chamber, the extrusion block can be synchronously drawn out of the limiting sliding groove, so that the second electromagnetic part gradually moves upwards in the limiting sliding groove under the springback effect of the second elastic piece, repulsive force is generated again corresponding to the position of the permanent magnet part, and the power assisting effect is achieved on drawing of the drawer.
Owner:JIANGSHAN YUANGUANG ILLUMINATING CO LTD

Intelligent grounding switch equipment for offshore wind plant

The invention provides an intelligent grounding switch device for an offshore wind plant, and belongs to the technical field of electrical control, the intelligent grounding switch device comprises a protection module, an installation module and a conductive module, the protection module comprises a first protection shell and a second protection shell, the first protection shell is internally provided with a first installation cavity, and the second protection shell is internally provided with a second installation cavity; a second mounting cavity is formed in the second protective shell, and the first protective shell is arranged at the front end of the second protective shell; and the mounting module comprises a first fixing plate slidably connected to the bottom of the first mounting cavity and a second fixing plate slidably connected to the bottom of the second mounting cavity, side baffles are symmetrically mounted on the left side and the right side of the first fixing plate, a rotating rod is arranged between the two side baffles, and a poke rod is fixedly mounted at the rear end of the rotating rod. According to the invention, the problems of insufficient corrosion resistance, tedious maintenance and short service life of the offshore wind power plant grounding switch equipment in a severe environment are solved.
Owner:NANJING SWITCHGEAR FACTORY

Method and device for evaluating contact state of high-voltage switch cabinet wrench contact and terminal equipment

The application is suitable for the electrical engineering technical field, and provides a high-voltage switch cabinet plum blossom contact contact state evaluation method, device and terminal equipment, the high-voltage switch cabinet plum blossom contact contact state evaluation method comprises the following steps: calculating the temperature rise limit value of the plum blossom contact under the current operating condition according to the equipment operating parameter of the high-voltage switch cabinet;Determine the minimum limit value of the contact pressure of the single contact finger of the plum blossom contact;Calculate the maximum limit value of the contact pressure of the single contact finger of the plum blossom contact;Based on the temperature rise limit value, the minimum limit value and the maximum limit value of the contact pressure of the plum blossom contact, the plum blossom contact contact state evaluation criterion is established.The application utilizes the contact state evaluation criterion, can effectively guide the equipment operation and maintenance personnel to carry out equipment operation and maintenance, and ensures the safe and good operation of the plum blossom contact.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +1

Draw-out type low-voltage switch cabinet and operation method

The invention relates to the technical field of switch cabinets, in particular to a draw-out type low-voltage switch cabinet and an operation method.The draw-out type low-voltage switch cabinet comprises a cabinet body, a plurality of containing cavities are evenly formed in the cabinet body, two connecting sliding rails are symmetrically arranged in the containing cavities, a drawer is connected between the two connecting sliding rails, and a locking mechanism is arranged on the drawer; the locking mechanism comprises a first locking assembly and a second locking assembly. According to the invention, through arrangement of a second locking assembly, a locking bar can be driven to move up and down through movement of a sliding block and a locking rod, when an electric appliance element needs to be replaced, the locking rod is withdrawn, the locking bar is inserted into a limiting notch at the moment, the drawer does not turn over when being pulled out, and after the drawer is completely pulled out, the locking bar moves upwards, so that the electric appliance element is replaced. When the drawer is locked, the drawer is unlocked and turned to be in a vertical state, then the locking strip is moved downwards, the drawer is locked again, at the moment, all the electrical components in the drawer are exposed, and replacement is convenient.
Owner:HUANENG JINING YUNHE POWER GENERATION CO LTD

Switch cabinet five-prevention system based on digital real-time monitoring and monitoring method

The invention discloses a switch cabinet five-prevention system based on digital real-time monitoring. The switch cabinet five-prevention system comprises a state signal monitoring module, an anti-error logic verification module, a locking driving module, a man-machine interaction module and a communication module. The invention further provides a monitoring method of the switch cabinet five-prevention system based on digital real-time monitoring. The monitoring method comprises the following steps: (1) comprehensive digital sensing; (2) performing real-time logic verification; (3) accurate locking; (4) intelligent prompting; and (5) sharing external data. The five-prevention function is realized by adopting the digital technology, the work division is clear, the cooperative work is realized, the accuracy is high, and the reliability and the stability of the five-prevention system are improved.
Owner:广东正超电气有限公司

GIS switch cabinet with stable safety device

The invention relates to the technical field of GIS switch cabinets, and discloses a GIS switch cabinet with a stable safety device, the GIS switch cabinet comprises a switch cabinet, the inner cavity of the switch cabinet is provided with a circuit breaker mounting bin, the inner cavity of the switch cabinet is also provided with a static contact, and the bottom of the circuit breaker mounting bin is fixedly provided with a slide rail component. And a slidable handcart component is arranged on the inner wall of the slide rail component. A second fixing plate, a rotating frame, a rotating wheel and a pull rod are wrapped through a protection plate, so that personnel cannot directly make contact with the structure, and the problem that when no circuit breaker body exists in the circuit breaker installation bin, personnel can open and close a valve assembly at will, and consequently electric shock accidents are increased is solved. By limiting the two groups of rotating frames, the two groups of rotating frames are kept in a locked state, so that the problem that the two groups of rotating frames relatively move due to external force when the top of the track does not bear the circuit breaker main body through the handcart component is solved, and the safety of the valve component is further improved.
Owner:CCCC MECHANICAL & ELECTRICAL ENG

A trolley mechanism for handling interphase short circuit in dual power supply system

The present invention discloses a trolley mechanism for processing interphase short circuit of a dual power supply system, including a trolley seat, on which a first switch group, a second switch group and a third switch group are arranged in layers, wherein the first switch group includes three first single-phase switches arranged in the same layer, and the three first single-phase switches include a first static contact and a first moving contact arranged horizontally; the second switch group includes two second single-phase switches arranged in the same layer, and the two second single-phase switches include a second static contact and a second moving contact arranged vertically; the third switch group includes two third single-phase switches arranged in the same layer, and the two third single-phase switches include a third static contact and a third moving contact arranged horizontally. The trolley mechanism can realize the conduction of a fault phase and make the other fault phase connected to the earth or a common wire at either end of the cut-off point, and the device has a simple structure, is suitable for use with a screen cabinet, and has promotion value.
Owner:BAODING YUXIN ELECTRICAL TECH

A make-and-break mechanism for handling phase-to-phase faults

The application discloses a kind of on-off mechanism for processing phase-to-phase fault, including two single-pole double-throw switches and a third switch, single-pole double-throw switch includes first arc chamber and second arc chamber, first fixed contact is provided in first arc chamber, second fixed contact is provided in second arc chamber, first composite movable contact is provided between first arc chamber and second arc chamber, first composite movable contact one end is located in first arc chamber, first composite movable contact other end is located in second arc chamber, first composite movable contact is connected with first fixed contact when then is disconnected with second fixed contact, first composite movable contact is connected with second fixed contact when then is disconnected with first fixed contact;Third switch includes third arc chamber, third fixed contact and third movable contact are provided in third arc chamber.The on-off mechanism structure is simple, can realize one fault phase conduction and make another fault phase connect ground or public wire, and it is convenient to be used with existing screen cabinet, with important practical value.
Owner:BAODING YUXIN ELECTRICAL TECH

Power distribution module for switchgear and switchgear

Embodiments of the present disclosure provide a power distribution module for a switchgear and a switchgear. The power distribution module comprises a body adapted to be slidably connected to a fixed base plate of the switchgear in an installation direction to switch between at least an operation position, a test position and a disconnection position; a wire incoming end arranged on a connection side of the body toward a junction box of the switchgear and adapted to be electrically connected to an output end of the junction box after the body reaches the operation position; and a wire connection end arranged at intervals from the wire incoming end on the connection side and adapted to be electrically connected to an adapter end of the junction box after the body reaches the operation position or the test position. Accordingly, the mounting density of the power distribution modules in the switchgear can be increased, and the arrangement flexibility of the power distribution modules in the switchgear is improved.
Owner:SCHNEIDER ELECTRIC (CHINA) CO LTD

Connector device

Connector device used for a drawer of a control cabinet, wherein the drawer has three position states, namely a disconnect position, a test position and an operating position, characterized in that it comprises: a first support (1), wherein the first support (1) comprises a first support body (11), a first locking hole (12) provided in the first support body (11), and first guide holes (13), wherein the first guide holes (13) are arranged in a diagonal direction, and wherein the first support (1) is mounted on a cabinet body of the control cabinet; a second support (2), wherein the second support (2) comprises a second support body (21), a second detent hole (22) provided in the second support body (21), and first guide rods (23) that fit the first guide holes (13); and a third support (3), wherein a damping mechanism is provided between the third support (3) and the second support (2) for the purpose of enabling movement of the third support (3) relative to the second support (2), wherein the third support (3) is mounted in the drawer of the control cabinet, wherein During the movement of the drawer from the separation position to the operating position, the first guide rods (23) penetrate the first guide holes (13) and can move along the first guide holes (13), so that the first support (1) is connected to the second support (2), wherein the second support (2) together with the third support (3) follows the movement of the drawer and first reaches the test position, and wherein with the further movement of the drawer towards the cabinet body the damping mechanism is elastically deformed by compression, so that the third support (3) moves relative to the second support (2) and finally reaches the operating position.
Owner:PHOENIX ASIAN PACIFIC ELECTRIC NANJING

Vertical copper bar structure with good heat dissipation effect and low-voltage drawer cabinet

The invention belongs to the technical field of low-voltage drawer cabinets, and discloses a vertical copper bar structure with a good heat dissipation effect and a low-voltage drawer cabinet, the vertical copper bar structure with the good heat dissipation effect comprises a plurality of heat dissipation copper bars which are vertically installed in a U shape, the plurality of heat dissipation copper bars form a plurality of heat dissipation channels, and heat dissipation coil pipes are installed on the outer walls of the heat dissipation copper bars. By arranging the heat dissipation copper bars and forming the heat dissipation channels, the heat dissipation efficiency of the drawer cabinet is improved, the internal temperature of the drawer cabinet is prevented from being too high, and the heat dissipation effect of the device is improved.
Owner:SHANGHAI NEW UNION ELECTRIC

Valve drive mechanism, valve mechanism and switch cabinet for trolley-type circuit breaker

The utility model provides a valve driving mechanism, a valve mechanism and a switch cabinet for a trolley-type circuit breaker. The switch cabinet comprises a contact box, the contact box comprises a positioning plate and a box body corresponding to each phase, the box body is fixed to the positioning plate, the valve driving mechanism comprises a driving assembly corresponding to one valve, the edge of the positioning plate is provided with a slide groove, the driving assembly comprises: a sliding bracket, which is used to be fixed to the valve, and the sliding bracket is used to be movably arranged on the positioning plate and can slide along the slide groove, the sliding bracket can move between a first position and a second position, when the sliding bracket is located at the first position, the valve is in a closed state, and when the sliding bracket is located at the second position, the valve is in an open state; a driving rod, which is rotatably connected to the sliding bracket, and the driving rod can be rotated to drive the sliding bracket to slide.
Owner:SIEMENS SWITCHGEAR LTD SHANGHAI

Cold and hot standby switching remote control device for high-voltage switch cabinet circuit breaker

The invention relates to the technical field of electrical equipment maintenance and management, in particular to a high-voltage switch cabinet circuit breaker cold and hot standby switching remote control device which comprises a chassis base slidably connected to the interior of a cabinet body and used for bearing a circuit breaker trolley and a screw in threaded connection with the chassis base. The control cabinet body can drive the breaker trolley to move, the transmission assembly comprises a first gear installed on the screw rod and a driving motor installed in the control cabinet body, and the driving motor drives the breaker trolley to move. According to the invention, the servo motor and the control unit are combined to form the remote control device for the breaker trolley of the high-voltage switch cabinet, so that an operator can operate at a safe position far away from high-voltage equipment, and the opportunity of directly contacting dangerous equipment is reduced; and personal injury accidents caused by inter-phase short circuit and grounding of equipment due to defects of the equipment, non-standard operation and the like in the process of shaking the trolley can be solved.
Owner:ZUNYI HAIHUI NEW MATERIALS CO LTD

Clamping device for a withdrawable low-voltage circuit breaker unit

A slide-in clamping device for removably connecting a first electrical terminal of a withdrawable low-voltage circuit breaker to a corresponding second electrical terminal of a respective stationary base in a withdrawable low-voltage circuit breaker unit includes at least one pair of first clamping fingers facing each other and at least partially laterally delimiting a first clamping seat for one of said first and second electrical terminals; at least one pair of second clamping fingers facing each other and at least partially laterally delimiting a second clamping seat for the other of said first and second electrical terminals; and bias elastic mechanism acting on said at least one pair of first clamping fingers and said at least one pair of second clamping fingers.
Owner:ABB SPA

High-voltage and high-current laminated bus line and preparation method thereof

A high-voltage and high-current laminated bus line and a preparation method thereof are provided. The preparation method includes the following steps: winding a positive bus line and a negative bus line by using a glass cloth tape to form an insulated positive bus line and an insulated negative bus line, twining the insulated positive bus line, a metal isolation plate and the insulated negative bus line by using the glass cloth tape to form a laminated bus line sample, and heating and curing the laminated bus line sample to obtain the high-voltage and high-current laminated bus line. The laminated bus line has low self-generated impedance and small installation space requirement, and is suitable for high-power electrical equipment with a current exceeding 30 kA and a total voltage exceeding 20 kV.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

A kind of electric testing and grounding trolley device for medium voltage switchgear

The present invention relates to the field of grounding trolley devices, and discloses an electrical testing grounding trolley device for medium-voltage switchgear, comprising a trolley frame, a support frame is fixed to the front side of the trolley frame, a U-shaped frame is connected to the top surface of the support frame by bolts, a plurality of support insulator sensors are fixed to the front side of the U-shaped frame, a plurality of support insulator sensors are detachably provided with contact arms on the front sides, a first grounding busbar is connected to two second grounding busbars by bolts on the front side, and a third grounding busbar is connected to the front side of the two second grounding busbars by bolts. In the present invention, the device has integrated electrical testing and grounding functions, reduces the operation steps and potential risk points, reduces the risk of electric shock to operators, facilitates users to safely and reliably operate and realize busbar electrical testing and grounding, and makes the live state of the busbar clear at a glance through the intuitive display of the electric display device, effectively avoiding safety accidents caused by misjudgment.
Owner:CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD +1

Circuit breaker position confirmation device of electric circuit breaker handcart

The utility model discloses a circuit breaker position confirmation device of an electric circuit breaker handcart. The circuit breaker position confirmation device is characterized by comprising a vertical plate, a first contact switch, a second contact switch, a first trigger linkage mechanism and a second trigger linkage mechanism, the vertical plate is provided with a working station where the circuit breaker reaches the working position and an overhauling station where the circuit breaker reaches the overhauling position, the working station and the overhauling station are located on the same horizontal plane, and the working station is located on the inner side of the overhauling station; the first contact switch is installed on the vertical plate and located on a working station, the fixed end of the first trigger linkage mechanism is installed on the vertical plate in a hinged mode, and the movable end of the first trigger linkage mechanism is located below the first contact switch and correspondingly matched with the first contact switch; the second contact switch is installed on the vertical plate and located on the maintenance station, the fixed end of the second trigger linkage mechanism is installed on the vertical plate in a hinged mode, and the movable end of the second trigger linkage mechanism is located below the second contact switch and correspondingly matched with the second contact switch.
Owner:广东正超电气有限公司

Integrated installation structure and high and low voltage switch cabinet

The present invention discloses an integrated installation structure and a high and low voltage switch cabinet, which relate to the field of electric power equipment and include a trolley room, wherein a circuit breaker is arranged in the trolley room, and a quick-moving mechanism for moving the circuit breaker is arranged in the trolley room. The present invention completes the installation of the circuit breaker in the trolley room through the quick-moving mechanism, and can realize that the circuit breaker can be moved quickly in the trolley room, thereby improving the speed of the circuit breaker in the electrical plug-in process, which is beneficial to reducing the damage of the arc phenomenon to components, and also reduces the potential safety hazards, thereby improving the safety of the entire operation process.
Owner:ZHEJIANG NANKAI ELECTRIC CO LTD

High-safety high-voltage switch cabinet and use method thereof

The invention relates to the technical field of switch cabinets, in particular to a high-safety high-voltage switch cabinet and a using method thereof. The power-off part comprises an intelligent lock rotationally arranged on the opening and closing door, a protruding block is arranged at the end, arranged in the cabinet body, of the intelligent lock, a power plug board and an assembly frame located beside the power plug board are arranged on the side face, facing the interior of the cabinet body, of the closing plate, and a power plug-in connected with the power plug board is slidably arranged in the assembly frame. The power plug-in unit is further provided with a contact frame in contact fit with the protruding block, and the closing plate is further provided with a vertical plate located between the power plug board and the power plug-in unit. Through the arrangement of the power-off part, the connection or disconnection between the power supply plug-in and the power supply plugboard is controlled by remotely controlling the rotation of the intelligent lock, so that remote power-off operation is realized, the switch cabinet is ensured to be subjected to power-off treatment before maintenance, and the occurrence of personal electric shock accidents caused by misoperation such as electrified closing of a grounding knife switch is prevented; and the personal safety of workers is ensured.
Owner:HEILONGJIANG HEIDA INTELLIGENT TECH CO LTD

Drawer type switch cabinet auxiliary guiding device

The utility model relates to the equipment cabinet installation field, and discloses a drawer type switch cabinet auxiliary guiding device comprising a pedestal, the upper part of the pedestal is fixedly connected with a cabinet body, the right side of the upper part of the pedestal is fixedly connected with an oil storage tank, the left side of the upper part of the cabinet body is provided with an oil conveying assembly, and the interior of the cabinet body is provided with a plurality of oil guiding grooves. A drawer body is slidably connected to the interior of the cabinet body, rollers are fixedly connected to the periphery of the lower portion of the drawer body, oil baffles are fixedly connected to the left side and the right side of the front side of the lower portion of the drawer body, a handle is fixedly connected to the front side of the drawer body, and a plurality of buffer assemblies are evenly arranged on the rear side of the interior of the cabinet body. According to the drawer type switch cabinet, through cooperation of the oil delivery pump, the oil pumping pipe, the oil delivery pipe, the liquid guide pipe and other structures, the auxiliary guide device can greatly improve the opening and closing efficiency of the switch cabinet drawer by reducing friction force, the opening and closing operation difficulty is reduced, and the service life of the drawer type switch cabinet is prolonged.
Owner:HANGZHOU SHIBANG ELECTRIC TECH CO LTD