94results about How to "Increase transmission strength" patented technology

A welding-type device has a wireless communication unit to transmit wireless signals comprising at least identification information or location information. The information may be transmitted either automatically or in response to request signals. Such a welding-type device may be configured to communicate with other welding-type devices, a monitoring device, or both. A wireless communication system has at least one welding-type device, at least one wireless communication assembly, and at least one monitoring device and is capable of assisting a user in locating particular welding-type devices, monitoring inventory, preventing theft of welding-type devices, and scheduling preventive maintenance.

An improved antenna arrangement is distinguished by the following features: at least two antenna element systems are provided and each has at least one antenna element, which are arranged offset with respect to one another, at least in the horizontal direction, the at least two antenna element systems transmit and receive at least in one common polarization plane, a network is provided, via which the at least two antenna element systems can be supplied with a signal (A_in1, A_in2) with an intensity or amplitude which can be set differently or which can be adjusted relative to one another and preferably with a different phase angle.

The invention discloses a mechanical sealing device of a high-pressure water injection pump. A shaft sleeve is provided with a step, a movable ring assembly is fixed on the outer wall of the shaft sleeve, one end of the movable ring assembly is abutted against the step, an elastic compensation assembly comprises a stationary ring seat, a stationary ring which is embedded on the stationary ring seat, an anti-rotation pin which is arranged on the stationary ring seat and a plurality of small springs, a sealing gland bush is provided with an axial accommodating hole, a plurality of spring holes are uniformly distributed on the circumference, the anti-rotation pin is plugged into the accommodating hole and can float in the axial direction, the small springs are arranged inside the spring holes, one end of each small spring is abutted against the stationary ring seat, the tail end of the stationary ring seat stretches out of the sealing gland bush, the tail end of the stationary ring seat is provided with a clamping spring, the elastic compensation assembly is pre-installed on the sealing bland bush, the inner wall of the sealing gland bush is fixedly provided with a distribution ring, and a plurality of injection holes are uniformly distributed on the distribution ring. The elastic compensation assembly is installed in a stationary manner and free from the influence of centrifugal force, the small springs which are uniformly distributed can result in good floatability, the elastic compensation assembly is pre-installed in the sealing gland bush through the clamping ring, and the injection holes which are uniformly distributed can realize multipoint washing, so that uniformity in cooling can be realized.

The invention relates to a motor specially used for a miniature circuit breaker. The motor comprises a permanent magnet motor and a reduction gearbox connected to the permanent magnet motor, wherein a motor gear is fixedly connected to a motor shaft of the permanent magnet motor, and meshed with an input gear of the reduction gearbox, the gear shaft of the input gear is fixedly connected to a box body of the reduction gearbox, the input gear is meshed with an output gear, the output gear is fixedly connected to an output gear shaft, and the output gear shaft can be rotatably fixed on the box body of the reduction gearbox. As the permanent magnet motor in the invention is provided with the motor gear which is provided with the input gear of the reduction gearbox, and the gear shaft of the reduction gearbox is directly fixed on the box body, therefore, the structure is compact, the whole volume of the motor is reduced, and the cost is reduced.

An embodiment of the invention provides a white laser generating device comprising an infrared laser source, a first optical fiber, a frequency doubling crystal, a second optical fiber and a spectrum widening module which are arranged sequentially. The infrared laser source is used for generating infrared laser, the frequency doubling crystal is used for utilizing frequency doubling effect to convert the infrared laser into visible laser, and the spectrum widening module is used for widening the visible laser to obtain white laser. The infrared laser source passes through the frequency doubling crystal for laser frequency doubling, efficient ultrashort pulse frequency doubling is realized, the visible laser of certain wavelength is output and then enters a nonlinear medium through coupling by the second optical fiber, and high-power broadband visible laser outputting is realized. At the moment, spectra can cover wavebands of 450-760 nm, and high-power white laser can be generated.

A transmission belt comprising a belt body and a cord. The belt body is made of a rubber composition. The cord is comprised of poly-p-phenylene benzobisoxazole fiber. The cord is embedded in the belt body. The belt body and the cord are formed into an integral whole by vulcanizing the rubber composition. The surface of the cord is subjected to a primary treatment involving coating a mixture of an epoxy compound and latex and heat treating, and a secondary treatment involving coating a resorcinol-formalin-latex adhesive and heat treating.

The invention discloses involute tooth-thickness variable non-circular gear transmission. The device comprises an involute tooth-thickness variable non-circular gear I and an involute tooth-thickness variable non-circular gear II, which are meshed with each other, wherein the axes of the involute tooth-thickness variable non-circular gear I and the involute tooth-thickness variable non-circular gear II are parallel in a plane or intersected in the plane, or the axes of the involute tooth-thickness variable non-circular gear I and the involute tooth-thickness variable non-circular gear II are spatially crossed. As the axes of the involute tooth-thickness variable non-circular gear I and the involute tooth-thickness variable non-circular gear II are parallel or intersected in the plane or spatially crossed, the involute tooth-thickness variable non-circular gear transmission can be utilized to realize spatial transmission, which not only inherits the advantages of high strength, good rigidity, convenience for manufacturing and processing and high reliability of involute tooth-thickness variable gear transmission of spatial parallel axes, concurrent axes and alternating axes, but also meets the requirement of gear ratio transmission.

The invention belongs to the technical field of carton packaging machinery, and particularly relates to a film covering packaging device for carton green production. The film covering packaging devicefor the carton green production comprises a laminating machine, a stacking machine and a manipulator for transferring products between the laminating machine and the stacking machine. The film covering packaging device is further provided with a control system through which the laminating machine, the manipulator and the stacking machine work cooperatively. According to the film covering packaging device for the carton green production, the film covering and packaging work of the printing products can be completed quickly, so that the overall production efficiency of the printing products isimproved while the manpower investment is reduced, and the production capacity is increased.

The invention discloses a coupling comprising a first half coupling body, a second half coupling body and middle connecting pieces. One end of the first half coupling body is provided with at least one pair of protruding teeth, two pairs of sliding contact faces are arranged on the two protruding teeth belonging to the same pair respectively, the inclination directions of the sliding contact faces are opposite, and the included angles between the sliding contact faces and the radial plane are equal. The second half coupling body is provided with an end section which is staggered with the protruding teeth. The middle connecting pieces are connected to the end section in a sliding mode and can only move freely in the axial direction, inclined sliding grooves are formed to be matched with the protruding teeth, and the second half coupling body can be connected to the protruding teeth in a mode that the second half coupling body can move freely in all directions of the sliding contact faces. Meanwhile, each protruding tooth is at least matched with one middle connecting piece, the mass of the middle connecting pieces matched with the two protruding teeth belonging to the same pair is equal, and the common mass center of all the middle connecting pieces matched with the protruding teeth in the pair is arranged on a rotating shaft of the second half coupling body. Therefore, radial deviation and axial deviation between the two shafts can be compensated, and dynamic loads generated by the middle connecting pieces can be mutually counteracted inside to achieve balance.

The invention discloses a wireless Bluetooth headset. A left headset/right headset of the wireless Bluetooth headset comprises a headset body, a battery, a PCB and an antenna module are installed in the headset body, the wireless Bluetooth headset further comprises a metal wire core arranged at the outside of the headset body, and the metal wire core is in ground connection with the PCB in the headset body. In the wireless Bluetooth headset disclosed by the invention, the wire core in an ear hook component is made of a metal material and is in ground connection with the PCB, so that the ear hook component extends the ground plane length and the area of the PCB, greatly improves the signal transmission efficiency and the signal radiation field intensity of the antenna ad effectively enhances the creeping wave transmission strength behind the brain, thereby ensuring the stability of a communication stability between the left headset and the right headset and finally improving the audio playing effect of the Bluetooth headset; and moreover, in view of the communication distance of an actually measured product, the communication distance between the left headset and the right headset is improved by more than 100%.

The invention relates to the technical field of planetary gear transmission, in particular to a planetary gear carrier. The planetary gear carrier comprises a front planetary carrier body and a rear planetary carrier body. A connecting column connected with the rear planetary carrier body is arranged on the front planetary carrier body. A corresponding groove connected with the connecting column is formed in the rear planetary carrier body. Brazing holes are formed in the surface of the groove. The front planetary carrier body and the rear planetary carrier body are integrally connected through sintering and brazing. A transmission spline is arranged on the front planetary carrier body and is an outer spline. Island-shaped protrusion reinforcing structures are further arranged at the groove of the rear planetary carrier body and located at the two ends, in the circumferential direction, of the rear planetary carrier body. The planetary gear carrier has the advantages of being high in transmission strength, good in transmission stability, long in service life and the like.

The embodiment of the invention provides a screen protection film and electronic equipment. The screen protection film is used for fitting a display screen module; one side, facing away from the screen protection film, of the display screen module is provided with an ultrasonic fingerprint module; the screen protection film can penetrate ultrasonic waves emitted by the ultrasonic fingerprint module; the screen protection film is provided with a resonance layer; the resonance layer is provided with a first surface adjacent to the ultrasonic fingerprint module and a second surface opposite to the first surface; the resonance layer can enable ultrasonic waves emitted from the first surface towards the second surface and ultrasonic waves reflected from the second surface towards the first surface to be superimposed so as to generate resonance. The thickness of the screen protection film does not need to be compressed to reduce ultrasonic attenuation, so that the ultrasonic penetration property, fitting property and mechanical property of the screen protection film can be achieved.

The invention relates to an intelligent anti-theft well lid. The intelligent anti-theft well lid comprises a well lid bottom seat, a well lid and a downhole sensor, wherein the well lid is installed in the well lid bottom seat, a positioning device is arranged on a connection position of the well lid and the well lid bottom seat, an observation window is arranged in the well lid, a mounting frameis arranged on the observation window, the positioning device comprises a positioning groove formed in the periphery of the well lid bottom seat, a fixing device is arrange at the bottom of the well lid, a rotation mechanism is arranged in the fixing device, the rotation mechanism is movably connected in the positioning groove, an abnormal movement reminder device is arranged at the bottom of thefixing device, the abnormal movement reminder device is connected with the downhole sensor, the downhole sensor is connected with the mounting frame, and a transmitting antenna is arranged on the downhole sensor. The intelligent anti-theft well lid can be obtained by performing integrated anti-theft refit on a traditional well lid, and simultaneously by installing a wireless signal transmission device, the intelligent anti-theft well lid enhances signal intensity so as to guarantee signal transmission of heating equipment.

The invention provides a helmet safety experience device, which can simulate the feeling of a human body in case of a safety accident and ensures that builders can experience the importance of a helmet in building production activities. The helmet safety experience device comprises a master control system and further comprises a housing, as well as a mounting support, a knocking rod lifting mechanism, a knocking slider component and a knocking rod release component which are arranged in the housing, wherein a chute in the vertical direction is formed in the housing; the knocking rod lifting mechanism is arranged on the mounting support; the knocking slider component is positioned above a lifting support block; and the knocking rod release component is positioned above the knocking slider component. As the knocking rod lifting mechanism and the knocking rod release component are arranged, a knocking rod can be lifted to a certain height and then falls onto the helmet worn on the head of an experiencer in the manner of a freely falling body, and accordingly, the knocking safety experience of the helmet is realized.

The invention discloses a processing method of spiral bevel gears for main reducers of axle housings. The processing method comprises the processing methods of driving bevel gears, driven bevel gears and a motor coupling. Wherein the structural design of the driving bevel gears and the driven bevel gears is characterized in that the teeth number ratio of the driving bevel gears and the driven bevel gears is 47 to 11, the module is 4.65, the average pressure angle is 20 degrees and the midpoint helical angle is 35 degrees; and the teeth numbers of the meshed splines of a main teeth engagement sleeve,a main teeth connection sleeve and a motor engagement sleeve of the motor coupling are the same. According to the processing method disclosed by the invention, the structure of the driving bevel gears and the driven bevel gears is designed and the manufacturing procedures of gear milling and gear grinding are adopted to process the driving bevel gears and the driven bevel gears respectively, so that the processing operation is simple. In addition, the precision of the processed gears and the motor coupling is high, the engagement effect is good, the high strength of the gears is ensured and the noise of the gears in transmission is lowered.

The invention discloses an electroplating solution filtering device. The electroplating solution filtering device comprises a bottom plate, a barrel body is arranged at the top of the left side of thebottom plate, the surface of the barrel body is fixedly connected to the top of the bottom plate through a connecting frame, a sealing cover is fixedly mounted at the top of the barrel body through abolt, and a concave-shaped filtering barrel located in the barrel body is fixedly mounted at the bottom of the sealing cover through a bolt. According to the electroplating solution filtering device,a scraping mechanism is driven by a transmission mechanism through a rotary rod to scrap the inner wall of the barrel body to a certain degree, then water in a water tank is injected into the barrelbody through a cleaning mechanism to clean, thus crud is discharged through a discharging pipe, the advantage that the inner wall of a fixing barrel is conveniently cleaned is achieved, and the problem that a fixing barrel of an existing filtering device is not provided with a certain cleaning mechanism, consequently the inner wall of the fixing barrel is prone to being tainted with much impurities after a long time using, cleaning is conducted by a user with a hand tool after a cover is opened, and the cleaning efficiency is lowered is solved.