30results about How to "Avoid electric injury" patented technology

The invention discloses a protection mechanism for protecting an umbrella skirt of an electric porcelain arrester. The protection mechanism comprises a truncated cone-shaped inner frame and a rectangular outer frame, wherein an upper ring frame of the truncated cone-shaped inner frame is connected with corner angles on the rectangular outer frame through support rods; a lower ring frame of the truncated cone-shaped inner frame is fixedly arranged on lower edge bars of the rectangular outer frame through flange seats; the upper ring frame is connected with the lower ring frame through ring rods; the inner side of the upper ring frame is connected with semi-circular arc frame plates through telescopic poles; the middles of the ring rods are connected with an umbrella skirt protection ring plate through clamping plate seats; hoisting ring frames are arranged on middle edge bars on the left side surface and the right side surface of the rectangular outer frame; support corner brackets arearranged at four corners of a bottom frame plate of the rectangular outer frame; a fixed bottom plate is arranged at the bottom of each support corner bracket; a fixed bolt is arranged in a threaded hole in each fixed bottom plate; and a bird-repellent ribbon is arranged on the outer surface of the rectangular outer frame, so that collision of the outside world and the umbrella skirt can be reduced.

The invention discloses a butt-welding machine for producing K-gold products. The butt-welding machine comprises a butt-welding machine supporting platform and feeding guide rails; positive electrodeplates are installed on an insulating workbench, a rotating bracket is arranged on the insulating workbench and rotatably connected with a pressing plate through a rotating shaft, and negative electrode plates are fixed to the portions, located over the positive electrode plates, of the pressing plate; the propelling rails are arranged on the portion, located on the two sides of the pressing plate, of the insulating workbench, propelling grooves penetrating through the propelling rails are formed in the front end faces and the back end faces of the propelling rails, a clamping and moving guiding groove is formed in the upper end face of each propelling rail, the propelling grooves are slidably connected with sliding plates, a clamping block is fixed to the upper portion of each sliding plate, and the clamping blocks are rotatably connected with clamping plates through hinges; and a pressing arm is fixed to the right end of each clamping plate, a spring is fixed between each pressing arm and the corresponding sliding plate, and a feeding grip is fixed to one end of each sliding plate. Through cooperation of the clamping plates, the sliding plates and propelling rods, a welding partis fed to the welding position to be welded, handheld welding is replaced, and the safety is improved.

The invention provides a method for switching secondary current loops of CTs operated by bypass switches instead of transformers. is the target object; the main transformer protection device exits the protection state; short-circuit and ground the differential protection function connecting piece in the target object, and disconnect the connection between the target object and the main transformer protection device; remove the four differential protection devices in the switching object Short-circuit between the functional connecting pieces and connect with the main transformer protection device, and further detect the abnormality of the connection; after the detection is normal, put the main transformer protection device into the protection state, so that the switching object and the main transformer protection device are connected to realize The switching object changes from open circuit to conduction, and the target object changes from conduction to open circuit. The implementation of the invention can overcome the existing problems before and after switching of the existing CT secondary current loop, and discover hidden dangers in time.

The invention discloses an automatic pressure-resistant capacitance testing machine for capacitor cores, which includes a detection system, a PLC control system, a host computer, an executive mechanism and an alarm mechanism; the detection system includes a scanning gun, a core position sensor, a machine origin sensor and The origin sensor of the product; the actuator includes a transmission device, core clamping equipment, cylinder drive group, test module, servo motor, withstand voltage machine and capacitance tester; guide rails are set on both sides of the transmission device; the servo motor drives the test module in the Move on the guide rail; the machine origin sensor and the product origin sensor are installed on the test module; the withstand voltage machine and the capacitance tester are respectively connected with the test module and the PLC control system; the test module is used to test the preset position of the capacitor core withstand voltage and capacitance value. This testing machine replaces the manual testing of the capacitor core to test the capacitance of the capacitor core by pressure test, which is safe in operation, precise in control and high in production efficiency.

The invention relates to an orthopedic reset and positioning robot, which solves the technical problem of low reset accuracy when the existing orthopedic surgery robot performs surgery. It includes a reset robot, a navigation robot and a positioning robot. The reset robot includes a reset platform, a distal fixator and The distal reference frame, the distal reference frame is fixed on the distal fixer; the distal fixer includes a connection base plate, a movable connection plate, a locker 1, a reference frame, a connection side plate 1, a connection side plate 2, and a fixing sleeve 1 , Fixing sleeve two, fixing plate, fixing pin one, fixing pin two, fixing sleeve three, fixing sleeve four, fixing pin three, fixing pin four. The invention is widely used in orthopedic surgery.

The invention relates to a connection and fixation device for a reset robot, which solves the technical problems of complicated use, poor stability and poor flexibility of the leg support device in the existing orthopedic surgery reset robot. , the movable connecting plate is connected with the connecting base plate, and the first locking device is used to lock the movable connecting plate. The present invention is widely used in orthopedic surgery.

The invention discloses an environment-friendly insect killer. The environment-friendly insect killer comprises a lamp holder and an insect killing lamp. The bottom end of the lamp holder is connected with a conical base. A storage battery is arranged in the middle of the lamp holder. The top end of the lamp holder is connected with a solar power generating device through a first support. The solar power generating device is connected with the storage battery. A temperature sensor, a photosensitive sensor and a humidity sensor are all connected with a switch assembly of the storage battery. The insect killing lamp is connected with the storage battery so that the work state of the insect killing lamp can be adjusted according to change of the environment by the insect killer, and therefore energy is saved; meanwhile, the service life of the insect killing lamp is long, and an electric shock preventing protective device is arranged. The environment-friendly insect killer has the advantages of being reasonable in structural design and long in service life.

The invention provides an overhead line coiling and uncoiling device of a charge connecting line, and belongs to the field of a charge gun connecting line protection device. The device comprises a charging pile, wherein the charging pile is arranged on the bottom surface of a ceiling of a charging station; the bottom surface of the ceiling of the charging station is provided with connecting rods; the connecting rods are positioned on the two sides of the charging pile; transverse tracks are connected with the ceiling of the charging station by the connecting rods; certain ends of the transverse tracks are provided with a line outlet; the transverse tracks are provided with a line inlet corresponding to the position of the charging pile; a slide block is arranged on the transverse tracks; the charge gun connecting line leads in from the line inlet, bypasses the slide block and gets out from the line outlet; a spring is arranged between the slide block and the end face at one end of the transverse track, so the charge gun connecting line does not trail on the ground, the service life of the charge gun connecting line is prolonged, the charge gun connecting line is not stepped on or crushed by an electric vehicle, and insulating skin is prevented from being damaged to prevent unexpected situations.