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917results about "Switchgear with withdrawable carriage" patented technology

Side line outgoing type vacuum post terminal and handcart type side-mounted circuit breaker

The invention discloses a side line outgoing type vacuum post terminal which comprises an insulation barrel with a vacuum arc-extinguishing chamber inside, an upper line outgoing conductor and a lower line outgoing conductor. The upper line outgoing conductor and the lower line outgoing conductor are electrically connected with the vacuum arc-extinguishing chamber respectively. The upper line outgoing conductor is arranged in the axial direction of the insulation barrel. The lower line outgoing conductor comprises an inclined section and a vertical section, wherein the inclined section keeps an included angle with the axial direction of the insulation barrel, and the vertical section is parallel to the axial direction of the insulation barrel. The high-medium pressure side outgoing type vacuum post terminal is simple in overall structure and safe and reliable in operation, the arrangement way of the lower line outgoing conductor is changed, the overall size is smaller so that the side line outgoing type vacuum post terminal can be applicable to a side-mounted circuit breaker, meanwhile, handcart operation can be achieved, and the advantages of the side-mounted circuit breaker are brought into full play.
Owner:天津市先智电气设备有限公司

Safe cabinet-split type switch cabinet and using method thereof

The invention relates to a safe cabinet-split type switch cabinet and a using method thereof. The safe cabinet-split type switch cabinet comprises a cabinet body. The cabinet body is internally provided with a plurality of independent drawer units. Each drawer unit is provided with a plurality of wiring interfaces. Grooves for wires to be installed are formed in the side wall of the cabinet body. A plurality of fans are arranged on the side wall of the cabinet body. A fire extinguisher is arranged outside the side wall of the cabinet body. The spraying port of the fire extinguisher is communicated with the top of the cabinet body. An electromagnetic attraction mechanism controlling opening and closing of a safety pin of the fire extinguisher is arranged in the outlet of the fire extinguisher. The cabinet body is internally provided with a smoke detector, a temperature sensor and a heating device. A control device and an alarm device are arranged on the top of the cabinet body. The control device receives signals of the smoke detector and signals of the temperature sensor and controls operation of the fans, the heating device, the electromagnetic attraction mechanism and the alarm device. The safe cabinet-split type switch cabinet is installed and maintained conveniently, the temperature inside the switch cabinet can be effectively controlled, an alarm can be given when open fire occurs in the switch cabinet, and the open fire in the switch cabinet can be put out.
Owner:STATE GRID CORP OF CHINA +2

A low pressure drawer type driving mechanism applied for switchboard drawer

InactiveCN101217229APromote labor savingGuaranteed operational protection levelSwitchgear with withdrawable carriagePrecessionLow voltage
The invention relates to a low-voltage draw-out switch gear, in particular to a propulsion mechanism for a drawer of a low-voltage draw-out switch cabinet, including a precession mechanism and a three-position locking mechanism, wherein, the precession mechanism includes a transmission spiral which is arranged on a bottom board of the drawer by a support and a groove-shaped locating piece which is inosculated with the transmission spiral and pushes the drawer to move forward and backward and is arranged on a layer board of a cabinet body; the positioning with the linear movement of the drawer is carried out by a spiral protrusion of the transmission spiral and a chute of the groove-shaped locating piece, so as to ensure the drawer not to be skewed and generate a mechanical movement dead point when the drawer receives the reverse withdrawal force. The invention adopts the multi-ring effort-saving propulsion principle of the transmission spiral to ensure the effort-saving propulsion of the drawer, creatively utilizes the spiral protrusion of the transmission spiral and the chute of the groove-shaped locating piece to effectively control the balanced movement of the drawer and fully controls the drawer to be balanced absolutely and not be skewed when the drawer receives the reverse withdrawal force, the operation is flexible and easy, and the operating mechanical faults can be eliminated.
Owner:常州新苑星电器有限公司

High-voltage centrally-installed switchgear with automatically-controlled drawing-out unit part

The invention discloses a high-voltage centrally-installed switchgear with an automatically-controlled drawing-out unit part. The high-voltage centrally-installed switchgear comprises a cabinet body, wherein a bottom plate is arranged inside the cabinet body and is used for placing a drawing-out unit, a cabinet door is further arranged outside the cabinet body, first power-driven telescopic rods are separately and movably arranged at the two inner sides of the cabinet body, an output end of each first power-driven telescopic rod is movably connected with one side of the cabinet door, a sliding rail is arranged at each of the two sides of the bottom plate, four corners at the lower part of the drawing-out unit are separately and movably connected with the sliding rails at the two sides of the bottom plates through a group of sliding blocks, a connection block is further arranged at the middle position of the lower part of the drawing-out unit, a second power-driven telescopic rod is arranged on the inner wall of the cabinet body at the lower rear part of the drawing-out unit, and an output end of the second power-driven telescopic rod is connected with the connection block under the drawing-out unit. The centrally-installed switchgear can be automatically drawn out, the drawing-out unit also can be supported without any external support element, and the repair work of a maintainer is greatly facilitated.
Owner:ANHUI FUHUANG ELECTRIC CONTROL EQUIP

Switch cabinet handcart positioning device and application equipment thereof

The invention provides a switch cabinet handcart positioning device, a switch cabinet circuit breaker handcart matched with the handcart positioning device and a switch cabinet assembled on the handcart positioning device. The positioning device comprises a main body; the main body has a strip-shaped structure; a track groove is formed in the middle of the main body in the length direction; and a test position lock hole and a work position lock hole are formed in one side of the track groove at an interval. The switch cabinet circuit breaker handcart comprises a handcart body; positioning plates are respectively arranged on the two sides of the handcart body; and guide pulleys matched with the track groove of the handcart positioning device and elastic locking levers matched with the test position lock hole and the work position lock hole are arranged on the positioning plates. The switch cabinet handcart positioning device has the beneficial effects that a handcart can be accurately guided and transversely limited and can also be stably positioned under different position states; the applied moment generated by electric force can be effectively reduced, and further, the larger electric force can be overcome; and the switch cabinet handcart positioning device can be used for a handcart type switch cabinet of which the short-circuit current reaches 63 kA.
Owner:CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD

Indoor high-voltage switch cabinet

The invention discloses an indoor high-voltage switch cabinet. A cabinet body adopts an assembled structure, and is divided into a bus chamber, a handcart chamber, a cable chamber and a relay instrument chamber through a horizontally assembled baffle and a vertically assembled baffle, which are connected with one another through bolts, nuts and riveting nuts; the bus chamber, the cable chamber and the handcart chamber are respectively provided with pressure release devices; the bus chamber is provided with a branch small bus, a bus sleeve, a main bus, a fixed contact device, a fixed contact box and a current transformer; the cable chamber is provided with a grounding switch, a cable feed line, a lightning arrester and a grounding bus; the relay instrument chamber is provided with relay protection elements, an instrument, high voltage presence indicating device and a control small bus; and the handcart chamber is provided with a secondary plug, a heating device, a breaker handcart and a screw rod mechanism. The indoor high-voltage switch cabinet has the advantages that the assembled structure has high strength, the outer appearance is artistic, the shape of an electrode is optimized, the structure is compact, the occupied space is small, the accuracy is high, the interchangeability is good, the oxidation resistance is good, the heat dissipation is good, large current can be transmitted, the voltage is high, all switches and rear cabinet doors have against incorrect operation and mechanical interlocking functions, and the five-prevention functions are complete.
Owner:遵义长征电器设备有限责任公司

Propulsion interlocking mechanism for hand-operated three-position positioning drawer

The invention relates to a low pressure extraction type switch device, in particular to a pushing-interlocking mechanism of a crank three-position locating drawer which comprises a pushing mechanism and a three-position locating mechanism; the pushing mechanism pushes the drawer by a transmission screw and a slot-shaped locating piece; the three-position locating mechanism is a spring pressure locating device and comprises a three-position locating disk, a top locating rod, the elastic ejection mechanism of the top locating rod, and a transmission mechanism; the pushing mechanism drives the three-position locating disk to rotate by the transmission mechanism; a three-position locating slot is arranged on the three-position locating disk; when the three-position locating disk rotates to a corresponding position, the elastic ejection mechanism ejects the top locating rod so as to lead the top locating rod to be embedded into the three-position locating slot for locating the three positions of the pushing mechanism in turn. After the spring pressure device is adopted for locating the three positions of the pushing-interlocking mechanism of the drawer, a light handle resistance indicates an operator, thus clearly locating; compared with the prior locating mechanism, the operation is simplified and meets the safety requirements better.
Owner:莫耀焕

Drawer push interlocking mechanism

The invention relates to a drawer push interlocking mechanism, comprising a push mechanism, a main driving wheel, a transmission locating mechanism and a locking mechanism, wherein the interlocking mechanism comprises a locating locking bar, a force transfer mechanism and a position locking notch; the position lock notch is installed on the outer peripheral surface of a transmission worm rod; when the locating mechanism is at working position, the position locking notch is towards the inserting direction of the locating locking bar; the force transfer mechanism is connected with a rotating part assembled on a front bracket, and drives the locating locking bar to radially insert in the position locking notch to enter the locking position or enter the unlocking position far from the position locking notch. The position locking notch on the transmission worm rod is towards the inserting direction of the locating locking bar when the equipment is located at working position; therefore, the potential safety hazard caused by faulty operation of gate closing is prevented when the equipment is located at non-working position. Moreover, when the operation handle is located at gate closing position, the locating locking bar directly locks the transmission worm rod to prevent faulty operation of gate closing, thereby improving the mechanism safety.
Owner:渭南汇德电气有限公司

Draw-out device

ActiveCN101626148AThe force point is reasonableAvoid overturning momentSwitchgear with withdrawable carriageToothed gearingsGear driveGear wheel
The invention discloses a draw-out device, which comprises a pair of side plates, a rotating shaft, two sets of gear drive mechanisms having the same structure, two pairs of fixed guide plates, a pair of sliding guide plates and a pair of supports, wherein the rotating shaft is arranged on the side plates; the gear drive mechanisms comprise a pair of driving gear wheels, a pair of intermediate gears and a pair of sector-gear cams having cam slideways, and the driving gears are fixed on the two ends of the rotating shaft and drive the sector-gear cams through the intermediate gears; the upper and lower fixed guide plates are arranged on the inner sides of the side plates, the outer front lower ends of the lower fixed guide plates are fixed with elastic stop pins and a slideway is formed between the upper rand lower fixed guide plates; the sliding guide plates are in front and back sliding connection with the inner sides of the lower fixed guide plates and limiting grooves are arranged in front and at back of the bottom ends of the sliding guide plates; and the supports are fixed on the two sides of an underframe of the body of the breaker and are fixed with upper rollers matched with the cam slideways and lower rollers rolling in the slideway. The device can ensure the reasonable stress, smooth movement and small operating force of the breaker body during the access to a drawer and is safe and reliable in structure.
Owner:BEIJING PEOPLES ELECTRIC PLANT
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