30results about How to "Flexible speed" patented technology

The invention provides a mechanical spiral door bolt mechanism for a safe box and cabinet. The mechanical spiral door bolt mechanism is formed in a way that a gear which is provided with a pulling sheet and is arranged on the handle is engaged with a sliding rack, the sliding rack is matched with a main shaft seat provided with a main shaft, the rack is matched with the rack seat and the pulling sheet, the rack is engaged with the main shaft, the sliding rack is fixedly arranged on a connecting rod, and the handle, the main shaft seat and the rack seat are fixedly arranged on a door plate. The middle links and excessive parts are reduced and omitted, the structure is compact, the size is small, driving and transmission elements are directly and fixedly arranged on the handle, the main shaft seat and the rack seat of the door plate, the transmission interference is avoided, and all parts can be easily manufactured and assembled. The gear and the sliding rack are engaged, the main shaft is driven to move through the connecting rod, the gear drives the double-groove rack to move through the pulling sheet, inclined teeth arranged on the double-groove rack are engaged with the long rack arranged on the main shaft for driving the main shaft to rotate, the connection between the main shaft and a screw sleeve fixedly arranged on the side door frame is firm and reliable, the prying is not easy, the anti-theft performance is good, and safety and reliability in use are realized. The mechanism is arranged on the handle seat and is arranged around the handle seat, the handle is directly held for operation, middle parts do not exist, and the operation is comfortable, easy and labor-saving.

The invention discloses a symmetric cone rolling part. Cone revolving roller pressure heads are adopted. The symmetric cone rolling part comprises a rotating pressure body and the roller pressure heads. The rotating pressure body comprises a retainer, a supporting shaft, a shaft sleeve, a shaft pin, a connecting fixture block, a rolling tool body, a spring and a hinged bolt; and each of the roller pressure heads is integrally molded and is arranged in a caulking groove of the rotating pressure body, and the appearance of each of the roller pressure heads is formed by splicing two conical rollers with the same size on a bottom surface. The invention also discloses a symmetric cone rolling device comprising the rolling part. According to the symmetric cone rolling device, the rotating pressure body drives the revolving roller pressure heads nested in the rotating pressure body to roll a metal surface in a reciprocated way at high speed, and a strain strengthening effect is generated on the metal surface, so that the metal surface is strengthened; a cone revolving roller is divided into a supporting surface and a working surface, the supporting surface is used for transferring the positive pressure of the pressure body to the working surface, approximately pure rolling is remained between the working surface and a test piece, and the contact friction between the working surface and the test piece is avoided due to the existence of a reserved gap between the working surface and the pressure body, so that the service life of a die can be effectively prolonged.

The invention belongs to the technical field of freeze-drying machine structure, and in particular relates to a structure for cleaning and collecting internal impurities of a freeze-drying machine. The invention achieves the effect of dust cleaning on the material shelf and recovery of leftover products by arranging an L-shaped pipe body, a rotating seat unit, a material receiving frame unit, an elastic pulling unit and a water spray nozzle unit in the freeze-drying chamber. The invention has a simple and effective L-shaped pipe body reciprocating swing type rotary water spray structure, fast and convenient swing operation, no need for additional input power, flexible and adjustable swing strength and speed, high stability of the overall cleaning and collection structure, moderate difficulty in disassembly and maintenance, and Each material rack has the advantage of good recovery effect of waste water and leftover products after targeted cleaning.

The invention discloses an equal-tooth adjustment positioning device for an iron plate of a metal decorating machine. The equal-tooth adjustment positioning device comprises a tooth engaging shaft which movably penetrates through the inner sides of the outer edges of the two axial ends of an impression cylinder. A plurality of pairs of auxiliary tooth engaging positioning mechanisms are positioned and evenly distributed in the axial direction of the tooth engaging shaft at intervals. Equal-tooth electric adjustment positioning mechanisms are arranged on the tooth engaging shaft and located between every two pairs of the adjacent auxiliary tooth engaging positioning mechanisms. The equal-tooth electric adjustment positioning mechanisms comprise front guide bases, front guide supports, supports, brackets, front guide tongues, engaging teeth, worms, turbines, proximity switches and stepping motors, wherein the supports, the brackets, the front guide tongues, the engaging teeth, the worms, the turbines, the proximity switches and the stepping motors are arranged on the corresponding front guide bases. The position of the iron plate entering a printing point can be determined by debugging the front guide position at the lower side of a tooth engaging plate on an equal-tooth electric adjustment device, the front guide movement amount can be controlled in a unified mode through a stepping motor drive device, then the equal-tooth electric adjustment device and tooth engaging plates on other auxiliary positioning devices are used for engaging the in-site iron plate after the longitudinal position of the iron plate is determined, the purposes of synchronously and accurately positioning the iron plate and reducing the early-stage adjusting registration number of times of the metal decorating machine and the proof printing iron plate number can be achieved, and the percent of pass of printing products is increased.

The application provides an intrinsic safety circuit spark test device and speed regulation method. The method includes determining a position of a 90-degree separation point on a moving trajectory of tungsten filaments and a groove, calculating angles of a copper electrode and a cadmium disc electrode turning from initial positions when the tungsten filaments and a groove edge of the cadmium disc electrode separate just at the 90-degree separation point to obtain the periodical change law of the turning angles; and according to the periodical change law, utilizing a first stepping motor and a second stepping motor to control the rotating speed of a rotary electrode holder and the cadmium disc electrode, so that four tungsten filaments and the edge of the groove separate just at the 90-degree separation point at a specified angle interval and time interval. By use of the embodiments of the application, the detection sensitivity and detection efficiency of the spark test device can be effectively improved.

A submersible dredging vehicle relates to an underwater dredging technology. The submersible dredging vehicle is provided with a vehicle body, wherein a submersible sewage pump is arranged on the vehicle body, a drain pipe is arranged on a liquid outlet of the submersible sewage pump, four spiral propeller type driving wheels are arranged on the two sides of the vehicle body, spiral directions of the adjacent two driving wheels are opposite, a water retaining cover plate is arranged on the vehicle body, the vehicle body is provided with four driving motors connected with the four driving wheels and is further provided with a water storehouse and a draining pump, the draining pump is provided with a check pump, the water storehouse is provided with a water inlet pipe and a gas identification rod, an electric valve is arranged on the water inlet pipe, and the electric valve, the submersible sewage pump and the four driving motors are connected with a controller. The submersible dredging vehicle can move forwards and backwards, carry out translation, turn around by taking any one driving wheel as a circle center and by taking the center of the vehicle body as the circle center, move and the like through the turning matching of the four driving wheels. The submersible dredging vehicle disclosed by the invention has the advantages of high locomotive maneuverability, simplicity and convenience in position change, easy handling, no dead corner during working, more thorough cleaning, high dredging efficiency and strong subsidence and sliding capabilities.

The invention discloses a wake-up robot and a wake-up system comprising the same. The wake-up robot comprises a body, a flying unit, a signal receiving unit, a detecting unit, an execution unit and apower supply unit, wherein the flying unit, the signal receiving unit, the detecting unit, the execution unit and the power supply unit are arranged on the body; the signal receiving unit is configured to receive a control signal from the terminal, and transmit the control signal to the flying unit, the detecting unit and the execution unit, the flying unit performs a flying action according to the control signal, the detecting unit detects a user position according to the control signal, and the execution unit performs a wake-up action according to the control signal. The wake-up robot and the wake-up system combine a flapping wing type flying structure with the execution unit performing the wake-up action, and has the advantages of high speed, flexibility, long-time flight ability with few energy, no loud sound production and the like.

The present invention provides a signal-controlled intersection vehicle speed guidance system based on vehicle-road coordination, including an information communication module; an information collection and processing module, which obtains the vehicle information of the vehicle through the combined collection and processing of GPS and INS, and collects the vehicle information of the preceding vehicle through the information communication module and the signal state information of the signal; the vehicle speed guidance suggestion module, when the vehicle enters the guidance range, according to the vehicle information of the vehicle within the guidance range and the signal state information of the signal machine, it is judged whether the vehicle is within the range of the road section where lane change is allowed, and the vehicle speed is provided. Guidance suggestions and driving lane suggestions; the vehicle safety warning module calculates the safety margin value between the two vehicles according to the vehicle information of the own vehicle and the vehicle in front, and judges the collision risk state according to the safety margin value. The invention fully considers the real-time position, real-time speed of the vehicle and the mutual influence between the vehicles, so that the vehicle can reduce the parking delay when passing the signal-controlled intersection, so as to improve the traffic efficiency of the road and reduce environmental pollution.

The invention discloses a nondestructive conveying device and a working method thereof. The nondestructive conveying device comprises a box feeding device, a bracket assembly, a Z-axis lifting assembly, an X-axis moving assembly and a detecting and positioning device. The box feeding device is arranged at one end of a conveying line and comprises a material storage box, a pushing plate and a material blocking device. The bracket assembly comprises a base arranged at the bottom of the conveying device, a bracket group fixedly arranged on the base and an electric cabinet arranged on the base. The Z-axis lifting assembly comprises four transmission shafts arranged on a bracket group, transmission gear groups arranged at two ends of the transmission shafts, four closed transmission chains which sleeve the transmission gear groups and a bearing plate arranged on the chains. The X-axis moving assembly comprises an X-axis slide rail frame arranged on the bracket assembly and a limiting slideblock fixedly arranged on the slide rail frame. The detecting and positioning device comprises an infrared scanning device and a weight sensor. According to the nondestructive conveying device and theworking method thereof, the Z-axis lifting assembly and the X-axis moving assembly are adopted to rapidly and flexibly complete four steps of box feeding, lifting, box discharging and return.

The invention relates to physical exercise equipment, in particular to a badminton racket and a manufacturing method thereof. The badminton racket comprises a racket frame, racket strings, string protecting nails, a racket rod, an end cap, a front sleeve, a racket handle, handle leather and a rear sleeve. The end cap is mounted in the tee joint position where the racket frame and the racket rod are connected, the racket frame, the front end of the racket rod and the end cap are connected together tightly, the front sleeve and the racket handle are mounted at the rear end of the racket rod, the handle leather is wound on the racket handle, the rear sleeve is mounted on the rear portion of the racket handle, and the racket strings are arranged on the racket frame through the string protecting nails in a penetrating mode. An end cap upper end face, an end cap side face and an end cap lower end face are provided, a blind hole is formed in the middle of the end cap lower end face of the end cap, and the racket rod stretches in the racket frame through the joint of the outer surface of the upper end of the racket rod and the inner surface of the blind hole of the end cap. Light non-woven shock-absorption fiber cloth is arranged in the racket frame, one side of the light non-woven shock-absorption fiber cloth is coated with a foam resin layer, the foam resin layer fills the inner cavity of the racket frame after swelled, and the light non-woven shock-absorption fiber cloth is fit with the inner surface of the outer frame of the racket frame.

The invention provides a mechanical spiral door bolt mechanism for a safe box and cabinet. The mechanical spiral door bolt mechanism is formed in a way that a gear which is provided with a pulling sheet and is arranged on the handle is engaged with a sliding rack, the sliding rack is matched with a main shaft seat provided with a main shaft, the rack is matched with the rack seat and the pulling sheet, the rack is engaged with the main shaft, the sliding rack is fixedly arranged on a connecting rod, and the handle, the main shaft seat and the rack seat are fixedly arranged on a door plate. The middle links and excessive parts are reduced and omitted, the structure is compact, the size is small, driving and transmission elements are directly and fixedly arranged on the handle, the main shaft seat and the rack seat of the door plate, the transmission interference is avoided, and all parts can be easily manufactured and assembled. The gear and the sliding rack are engaged, the main shaft is driven to move through the connecting rod, the gear drives the double-groove rack to move through the pulling sheet, inclined teeth arranged on the double-groove rack are engaged with the long rack arranged on the main shaft for driving the main shaft to rotate, the connection between the main shaft and a screw sleeve fixedly arranged on the side door frame is firm and reliable, the prying is not easy, the anti-theft performance is good, and safety and reliability in use are realized. The mechanism is arranged on the handle seat and is arranged around the handle seat, the handle is directly held for operation, middle parts do not exist, and the operation is comfortable, easy and labor-saving.