Screen printing machine

The invention relates to a printing machine, and provides a screen printing machine. The screen printing machine mainly comprises a machine frame, a plurality of automatically operating air-suction platforms arranged on the machine frame in a movable manner, a plurality of printing devices installed on the machine frame, ink curing and drying devices which are installed on the machine frame and are arranged behind the printing devices, screen printing plate carrying devices which are installed on the machine frame and are arranged opposite to the positions of the printing devices, a turning device installed on the machine frame, a lifting device installed on the machine frame, automatic feeding and reclaiming devices respectively installed at the front and back of the machine frame, a power transmission device used on the automatically operating platforms and an automatic control system for the automatic control in the printing process. By respectively arranging one ink curing and drying ...

Distribution network automation terminal pole-climbing-free operation and maintenance device

The invention discloses a distribution network automation terminal pole-climbing-free operation and maintenance device, and the device comprises a mechanical claw mechanism which comprises a clamping assembly, a tension assembly disposed at one end of the clamping assembly, and a tensioning assembly connected with the tension assembly; the adjusting mechanism comprises a sliding rod assembly connected with the tensioning assembly, a sliding control assembly arranged on one side of the sliding rod assembly, a fixing assembly arranged in the sliding rod assembly, a sliding shell connected with the sliding rod assembly and a handle assembly connected with the sliding shell. Operation and maintenance workers can adjust the height of the climbing-free rod according to actual conditions, the mechanical claw mechanism can be controlled to be opened by pressing a pressure handle through the handheld end, meanwhile, the telescopic mechanism is locked, the high-altitude operation frequency is reduced ...

Method for regeneration of used vulcanized rubber-isobutylene by electron beam

An electron beam process for regenerating waste vulcanized butyl rubber includes cutting, coarse breaking, fine breaking, pulverization, pressing sheets, and degradation by electron beam radiation, and features stable quality of product, and no pollution of radioactive source.

Multi-scene detachable pole-climbing climber anti-skid device

The invention discloses a multi-scene detachable climb pole and climber anti-skid device which comprises a first pedal and a second pedal, the first pedal and the second pedal are connected through a first telescopic mechanism, the side edge of the first pedal is connected with a fixing block through a second telescopic mechanism, and an arc-shaped outer buckle ring is fixed to the fixing block; the cross section of the outer buckling ring is in a C shape, a plurality of second threaded holes are formed in the side edge of the outer buckling ring, and an arc-shaped clamping block is connected into the outer buckling ring in a sleeved mode. The device is firm and reliable in connection, does not fall off, and is good in safety; adjustment can be carried out according to use requirements, the operation comfort is improved, the contact with the ice surface can be effectively enhanced through the arranged second ice breaking cone, the anti-skid effect is improved, safety is good, and falling ...

Screen printing machine

Video code rate adaptive adjustment method and system based on DASH

The invention discloses a video code rate self-adaptive adjustment method and system based on DASH, and relates to the field of video transmission, and the method comprises the following steps: according to the mean value of the code rate of a video block requested by a client, the total time length of client jamming, and the code rate switching frequency and the code rate switching amplitude of the video block requested by the client, determining the code rate of the video block; constructing a quality of experience function of the user; according to the experience quality function of the user, establishing a target function by taking the experience quality maximization of the user as a target; determining a constraint condition of the target function according to an MPD file requested from a server by a client before the video is played; and solving the target function by applying an MPC method according to the constraint condition, and determining the optimal request sequence and code ...

Method for regeneration of used vulcanized butyl rubber by electron beam

电离辐射法灭活小麦中检疫类真菌

Wheat added to feed bin is passed through conveyor equipment. An ionizing radiation source is installed above radiation zone, which is a portion of conveyor equipment. Passing through radiation zone and radiation in 3-6kGy being taken, the wheat from a blanking measuring implement enters barn stored. The said ionizing radiation source is ª™ray released from Co-60 or X ray from electron accelerator. Advantages of the invention are: easy of implement and operation, reliable, inactivating fungus of medical inspection family in wheat and industrial treating procedure.

Experimental measurement device for geological soil in alpine region

The invention discloses an experimental measurement device for geological soil in an alpine region, and relates to the technical field of soil detection devices. The sampling device comprises a connecting base, a discharging groove is formed in the inner bottom of the connecting base, and the bottom of the connecting base is detachably connected with a sampling bottle communicated with the discharging groove; the mounting frame comprises a plurality of connecting rods mounted on the connecting seat in a penetrating manner, one ends of the connecting rods are fixedly connected with a front frame, and the other ends of the connecting rods are fixedly connected with a rear frame; and the rotating pipe is rotationally mounted on the rear frame, and the other end of the rotating pipe rotationally penetrates through the connecting seat and the front frame. According to the device, the drill pipe is used for drilling a soil layer in an alpine region, the device is more labor-saving and efficient ...

Observation device for ecological hydrological response of plateau wetland

The invention discloses an observation device for ecological hydrological response of a plateau wetland, and relates to the technical field of hydrological observation. The device comprises a bearing seat and a mounting rod mounted on the bearing seat, a connecting frame is mounted on the mounting rod, an observation instrument is mounted on the connecting frame, a solar panel is mounted on the connecting frame, a winding wheel disc is rotatably mounted on the connecting frame, a steel wire rope is wound on the winding wheel disc, and the steel wire rope is wound on the connecting frame. A mounting cylinder is mounted at the free end of the steel wire rope, a plurality of water storage assemblies are mounted at the bottom of the mounting cylinder, water inlet parts are arranged on the water storage assemblies, driving parts acting on the water storage assemblies are mounted in the mounting cylinder, and water enters the corresponding water inlet parts through the driving parts. Compared ...