9results about How to "Quick power off" patented technology

The utility model discloses a transmission protection device of a center transmission mud scraper, which relates to the technical field of transmission protection and comprises a support frame, a transmission shaft is arranged in the middle of the lower surface of the support frame in a penetrating manner through a bearing, a transmission disc is fixedly arranged at the top end of the transmission shaft, and a power disc is arranged on the upper surface of the transmission disc. The supporting frame is arranged, the transmission shaft is arranged in the middle of the supporting frame, the transmission disc and the power disc are arranged above the transmission shaft, the transmission disc and the power disc are connected through the clamping block, one side of the clamping block is of an inclined structure, and the power disc is tightly pressed above the transmission disc through the supporting spring, so that the transmission effect is achieved; when the driving motor is powered off, the transmission disc stops rotating, the power disc continues rotating and is separated from the power disc, the power disc can start the touch switch at the moment, rapid power off of the driving motor is achieved, and therefore the effect of protecting the driving motor is achieved.

The invention belongs to the technical field of power wire harnesses, and particularly relates to a flexible shielding type power wire harness which comprises a wire core structure, a shielding structure is arranged on the outer surface of the wire core structure, an adjusting structure is arranged at one end of the shielding structure, and the wire core structure comprises a plurality of metal bodies; the shielding structure comprises an elastic sleeve, a shielding woven mesh is arranged on the outer surface of the elastic sleeve, and a grounding wire is arranged on one side of the shielding woven mesh; the adjusting structure comprises an end ring, a plurality of side grooves are uniformly formed in the side, close to the grounding wire, of the end ring, two check blocks are symmetrically arranged at the end of the inner wall of each side groove, a plurality of heat dissipation holes are uniformly formed in each check block, a sliding block is slidably connected to the interior of each side groove, and a transfer hole is formed in each sliding block; the flexible shielding type power wire harness is high in power-on efficiency, high in power-on stability, good in flexibility, capable of meeting different working environment requirements, high in shielding performance on external electromagnetic waves and capable of guaranteeing continuous and stable work of the inner wire core structure.

The utility model discloses an electric tool adaptive to European Union standards and provided with a rapid power-off protection device, and relates to the technical field of electric tools. The front end of the body is detachably provided with a tool head, the body is internally and detachably provided with a battery, the battery is connected with a driving motor through a control panel, the driving motor is connected with the tool head through a transmission mechanism, the outer side of the body is further provided with a switch connected with the control panel in a matched mode, and one end of the battery is fixedly connected with an electrode plate B; the other end of the electrode plate B abuts against the electrode plate A. The electrode plate A and the electrode plate B are both connected with the control panel. The battery and the electrode plate A are designed to be separable, so that a user can quickly separate the battery from the electrode plate A to realize power failure; the tool head is detachably mounted, so that a user can select a proper tool head for mounting conveniently, the equipment can adapt to various different working environments and requirements, multiple tools do not need to be carried, and the convenience is improved; and a limiting bead is arranged, so that the tool head is limited, and the use safety is improved.

The utility model discloses an aluminum alloy lamp cup convenient to install, which belongs to the field of lamp cups and is characterized by comprising an installation plate and a lamp cup body, the lamp cup body is integrally formed by a cup base and an umbrella-shaped lamp cup body, a first cavity and a second cavity are formed in the cup base and communicated, a vertical plate is installed in the second cavity, and the vertical plate is connected with the lamp cup body. A micro motor is installed in the first cavity, a first bevel gear is arranged at the output end of the micro motor, a first lead screw and a second lead screw are rotationally installed between the two vertical plates respectively, and a second bevel gear and a third bevel gear are fixed to one end of the first lead screw and one end of the second lead screw respectively and meshed with the first bevel gear. The first lead screw and the second lead screw are connected with a first fixing plate and a second fixing plate in a threaded mode, a round hole is formed in one surface of the installation plate, two rectangular grooves are formed in the installation plate, a limiting mechanism for limiting the first fixing plate and the second fixing plate is arranged on the upper surface of the second cavity, and the installation structure has the effect of being convenient to install.

The utility model belongs to the technical field of distribution box, concretely relates to a kind of overhaul power supply box intelligent control power transmission device, including total power supply control box and several overhaul power supply boxes, and the incoming line end inside total power supply control box is provided with power supply total air switch, and the input end of each overhaul power supply box is respectively connected to the output end of power supply total air switch by branch air switch, and multiple feeder circuits are provided in each overhaul power supply box, and the outgoing line end of each feeder circuit is correspondingly connected with one power socket for inserting temporary power plug during overhaul, and the leakage protection switch with leakage and overload protection function is respectively arranged on each feeder circuit, and the control contactor that can be remotely controlled to attract / close is connected with secondary line control circuit.The device can realize remote power transmission and timing power-off of overhaul power supply box through mobile phone APP, which can effectively reduce the trouble and safety risk caused by frequent connection and disconnection of temporary power line in overhaul work and stop power transmission operation.

The utility model provides an electric stirring cup which comprises a base assembly, the base assembly comprises a base shell, the base shell is internally provided with a containing space for containing a power source assembly, and the base shell is provided with a first magnetic attraction piece; the cup body assembly comprises a power part, the power part is provided with a motor, the cup body assembly is provided with a second magnetic attraction piece, and the base assembly and the cup body assembly can be in magnetic attraction connection through the first magnetic attraction piece and the second magnetic attraction piece; when the base assembly and the cup body assembly are in a connected state, the motor and the power supply assembly can be electrified; and when the base assembly and the cup body assembly are in a separated state, the motor and the power supply assembly are powered off. The power supply assembly can be independently disassembled for charging, the power supply assembly further has a replacement adaptation attribute, connection of the cup body and the motor can be met, the cup body motor and the power supply can be detachably separated, disassembly is in a magnetic attraction mode, and convenience and rapidness are achieved.

The present invention relates to the technical field of battery packs, specifically a battery negative electrode structure, including a negative electrode sheet and a negative electrode seat, the negative electrode seat including an inner electrode seat and an outer electrode seat, the negative electrode sheet is installed on the inner electrode seat, an inner lead is connected to the negative electrode sheet, and a center seat is embedded in the middle of the outer electrode seat, the center seat is connected to an outer lead, the inner electrode seat is closed and arranged at the end of the battery, and a plug tube is arranged on the inner electrode seat, a drainage seat is connected to the outer electrode seat, and a plug with an inclined groove is installed on the drainage seat, the plug is connected to the plug tube, and a drainage structure is arranged on the drainage seat, and a cavity is arranged in the drainage seat and the inner electrode seat, and a first heat sink is arranged on the inner electrode seat; a lithium ion battery pack is also disclosed, the lithium ion battery pack is composed of a combination of lithium ion single cells, and the lithium ion single cells adopt the above-mentioned battery negative electrode structure. The present invention can achieve the purpose of automatic disconnection, interruption of thermal runaway, and avoidance of battery explosion.

The invention belongs to the technical field of aluminum electrolysis cells, and particularly relates to an aluminum electrolysis cell cathode current distribution adjusting device and an adjusting method thereof.The aluminum electrolysis cell cathode current distribution adjusting device comprises a shell assembly, a plurality of anode assemblies are evenly arranged above the shell assembly, and a plurality of cathode assemblies are evenly arranged in the shell assembly; an electrolysis cavity is formed in the bottom shell, and a support is arranged above the bottom shell; the anode assembly comprises a plurality of anode rods, the bottom of each anode rod is provided with an anode carbon block through a clamping jaw, one side of each anode rod is provided with an electrifying plate, and the cathode assembly comprises a plurality of cathode carbon blocks; the device is high in adjusting precision, high in adjusting efficiency, easy to operate, safe, stable, high in adaptability and high in stability, the requirement for accurate and efficient adjustment of cathode current distribution of the aluminum electrolysis cell is met, the electrolysis quality and the electrolysis efficiency of electrolyte are effectively improved, and it is guaranteed that obtained molten aluminum meets the actual machining and production requirements.

The utility model provides a magnetic attraction conductive assembly and a magnetic attraction conductive stirring cup thereof, the magnetic attraction conductive assembly comprises an accommodating space for accommodating a power supply assembly, and a base shell is provided with a first magnetic attraction piece; the cup body assembly comprises a power part, the power part is provided with a motor, the cup body assembly is provided with a second magnetic attraction piece, and the base assembly and the cup body assembly can be in magnetic attraction connection through the first magnetic attraction piece and the second magnetic attraction piece; when the base assembly and the cup body assembly are in a connected state, the motor and the power supply assembly can be electrified; and when the base assembly and the cup body assembly are in a separated state, the motor and the power supply assembly are powered off. The power supply assembly can be independently disassembled for charging, the power supply assembly further has a replacement adaptation attribute, connection of the cup body and the motor can be met, the cup body motor and the power supply can be detachably separated, disassembly is in a magnetic attraction mode, and convenience and rapidness are achieved.