62results about How to "Big change" patented technology

In order to provide a speed change transmission system which can be obtained compactly, while obtaining output at steplessly varied speeds over a large speed change range only by carrying out a simple shifting operation, the speed change transmission system has a hydrostatic stepless transmission to which engine drive is inputted. A planetary transmission device (P) has a plurality of planetary transmission mechanisms, for combining output of the stepless transmission and engine drive not undergoing speed change action by the hydrostatic stepless transmission. A plurality of transmission shafts are provided with a plurality of speed range setting clutches switchable for converting the combined driving force from the planetary transmission device (P) to a driving force in a plurality speed ranges, and transmitting it to an output rotary member. The plurality of transmission shafts are juxtaposed and arranged in parallel.

The invention relates to an artificial wetland high-efficiency pre-aeration sewage treatment system, which comprises a bar screen, a primary sedimentation tank, a venturi, a splash board and an artificial wetland connected in turn, wherein the bar screen is positioned in the front of the primary sedimentation tank; the inlet of the gradually reducing part of the venturi is connected with the upper part of the primary sedimentation tank through a high-pressure pump, the throat part is connected with the atmosphere through an air inlet pipe, and the outlet of the gradually expanding part is provided with a jet pipe extending forwards; and the splash board is positioned above the artificial wetland in front of the jet pipe. The artificial wetland adopts a horizontal baffling structure, the water outlet is provided with a water storage tank, and the water storage tank is provided with a backflow pipe connected with the water inlet end of the artificial wetland. The artificial wetland high-efficiency pre-aeration sewage treatment system has a simple structure and reasonable process, and through the high-efficiency aeration of the venturi and the splash board, the artificial wetland high-efficiency pre-aeration sewage treatment system improves the biochemical reaction types and the reaction speed in the artificial wetland, improves the surrounding environment, and is helpful to improve the purification degree of the yielding water of the artificial wetland. The artificial wetland high-efficiency pre-aeration sewage treatment system has the advantages of simple structure, convenient operation and good adaptability, allows the sewage quantity to have large range of variation, and is mainly adapted to the treatment of domestic sewage.

The invention relates to an artificial wetland sewage treatment system adopting rotational flow active sludge method pretreatment, which comprises a primary sedimentation tank, a venturi, a rotational flow active sludge pool, a secondary sedimentation tank and an artificial wetland, wherein a bar screen is positioned in the front of the primary sedimentation tank; the inlet of the gradually reducing part of the venturi is connected with the upper part of the primary sedimentation tank through a high-pressure pump, the throat part is connected with the atmosphere through an air inlet pipe, and the outlet of the gradually expanding part is provided with a jet pipe extending forwards; the jet pipe is tangentially connected with the lower part of the rotational flow active sludge pool, and the shape of the cross section of the rotational flow active sludge pool is round; the yielding water of the rotational flow active sludge pool is connected into the secondary sedimentation tank, and the yielding water of the secondary sedimentation tank is connected into the artificial wetland; and the artificial wetland adopts a horizontal baffling structure, and the water outlet is provided with a water storage tank. The artificial wetland sewage treatment system has the advantages of simple structure, convenient operation, good adaptability, high oxygen content in the sewage and good purification effect, and is mainly adapted to the treatment of domestic sewage.

The invention discloses a continuous rigid frame bridge suitable for a high-waterline impoundment reservoir area. The pile type continuous rigid frame bridge can meet the requirements for strength and flexibility without a common pier. The pile type continuous rigid frame bridge comprises a girder, two girder connecting parts and a pile group foundation, wherein the two girder connecting parts stride the girder, the pile group foundation is composed of a set of filling piles, and the filling piles are in rigid connection with the girder connecting parts. The filling piles comprise upper columns and lower columns, wherein the upper columns are connected with the girder connecting parts, and the lower columns are poured into a bed rock. Longitudinal steel bars are arranged on the upper columns after the following carrying capacity limiting condition calculation and the normal using limiting condition calculation are carried out. Longitudinal steel bars are arranged on the lower columns according to the file foundation requirement. Pile transition sections are arranged between the lower columns and the upper columns, and the longitudinal steel bars in the pile transition sections are the same as longitudinal reinforcing bars of the upper columns. The invention further provides a construction method for the pile type continuous rigid frame bridge. The pile type continuous rigid frame bridge has the advantages that the anti-seismic requirement is met, construction is convenient, construction cost is saved, and the construction period is shortened.

A variable inductor includes: a first coil; a second coil which emanates a magnetic flux in a cancelling direction with respect to the magnetic flux generated in the first coil; a plate-shaped movable core positioned between the first coil and the second coil for carrying out opening & closing operation; and first and second magnetic cores, having a closed magnetic-path structure which involves the first coil, the second coil and the movable core. The first magnetic core includes a first center-core portion around which the first coil is wound and the second magnetic core includes a second center-core portion around which the second coil is wound.

The invention relates to a high-efficiency pre-aeration aerobic biochemical sewage treatment system, which comprises a bar screen, a primary sedimentation tank, a venturi, a splash board, an aerobic tank and a secondary sedimentation tank connected in turn, wherein the bar screen is positioned in the front of the primary sedimentation tank; the inlet of the gradually reducing part of the venturi is connected with the upper part of the primary sedimentation tank through a high-pressure pump, the throat part is connected with the atmosphere through an air inlet pipe, and the outlet of the gradually expanding part is provided with a jet pipe extending forwards; the splash board is positioned in the front of the jet pipe and above the aerobic tank; a fixed packed bed is arranged in the aerobic tank; and the secondary sedimentation tank is positioned behind the aerobic tank and is connected with the water outlet of the aerobic tank. The high-efficiency pre-aeration aerobic biochemical sewage treatment system has the advantages of simple structure, convenient operation, good adaptability, high oxygen content in the sewage and good purification effect, and is mainly adapted to the treatment of domestic sewage.

The invention provides a wirecord fabric detection and calibration device and method, the detection and calibration device comprises a detection mechanism, a bearing mechanism and a lifting mechanism, the detection mechanism comprises a magnetic sensor module, the magnetic sensor module comprises a substrate, a plurality of magnetic sensitive elements, a processing unit and a back magnetic unit, and the magnetic sensor module is used for acquiring a detection signal and a calibration signal; the bearing mechanism comprises a plurality of rollers which are arranged below the wirecord fabric and distributed on the two sides of the detection mechanism and is used for bearing the wirecord fabric, and the lifting mechanism is used for adjusting the distance between the breadth of the wirecord fabric and the magnetic sensor module. The wirecord fabric detection and calibration device provided by the invention can eliminate the influence of wirecord fabric on the calibration process, is particularly suitable for a large-format wirecord fabric production line, is convenient to operate and easy to implement under the conditions that the field space is limited and the detection device cannot slide out of the workbench, can meet the requirements of calibration and scanning precision, and is suitable for large-format wirecord fabric production lines. The application range is wide.

The invention provides an active pay-off system with variable thread speed and constant tension. The active pay-off system with variable thread speed and constant tension comprises a platform, a thread tray, a motor drive device, a thread pressing rod, a double-guide-wheel thread tightener, a shaft angle sensor, a guide wheel, a tension controller, a thread guiding rod and a pay-off tension control system. The motor drives the device to drive the thread tray to rotate, a silk thread is wound on the thread tray, the silk thread drawn from the thread tray passes through the thread pressing rod so as to form a wrap angle and enters the double-guide-wheel thread tightener, the silk thread is drawn from the double-guide-wheel thread tightener and then passes through the guide wheel so as to enter the tension controller, and the silk thread passing through the tension controller is drawn through the thread guiding rod. According to the active pay-off system with variable thread speed and constant tension provided by the invention, through the joint action of the motor drive device, the double-guide-wheel thread tightener and the shaft angle sensor, the closed-loop control of the pay-offspeed can be realized. Compared with a passive pay-off system characterized by fixing the thread tray on a non-driving device, active pay-off can be realized, and the control system controls the drivedevice to actively adjust the pay-off speed according to an angle value detected by the shaft angle sensor, so that the occurrence of thread breaking or silk thread loosening can be prevented.

The present invention relates to an intelligent management system for push information, comprising: a push setting device, which is set in a tablet computer, and is used to set whether to allow push related information for each APP installed on the tablet computer. For any APP, If it is set to allow push related information, then the push identification of the APP is set to 1, if it is set to not allow push related information, then the push identification of the APP is set to 0; TF storage device is used to save the tablet computer Each push identification corresponding to each APP that has been installed on the tablet; the APP detection device is used to detect the preset number of APPs that are most frequently used on the tablet computer within the latest preset time period. The invention also relates to a push information intelligent management method. Through the present invention, the APP information is pushed only when the owner of the machine is verified, thereby preventing the owner's privacy from being leaked.

The invention discloses an interference jet printing method in variable dot printing of an inkjet printer. A variable dot spray nozzle of the inkjet printer provides interference jetting dot during evenly distributing dots for printing, that is, size of the dots at the original evenly distributed dot positions is changed, the average total value of the changed jetting dots is the same as that of the dots before the change so that color depth are identical.