158results about How to "Simple working principle" patented technology

The invention relates to a detecting device and a detecting method for surface evenness of a gate. The detecting device comprises two longitudinal slideways symmetrically arranged on two sides of the upstream surface of the gate, the two longitudinal slideways are both internally provided with movable plates, a horizontal rail is arranged between the movable plates, the horizontal rail is provided with an elastic pressure-sensitive box, the elastic pressure-sensitive box is internally provided with a steel ball which abuts against the gate, a spring is squeezed by the steel ball, the spring is connected with a pressure sensor., and the pressure sensor is connected with a data meter through a data line. The detecting method for the surface evenness of the gate comprises the following steps that 1 the detecting device for the surface evenness of the gate is installed; 2 a coordinate system is established; 3 the surface of the gate is detected; 4 data processing is conducted. The adaptability for environment is high, the mechanical automation degree is high, locating is accurate, the cost is low, and the device and method are easy to achieve.

The invention provides a light valve element and a control method thereof and a display device, and belongs to the technical field of display. The problems that an existing light valve element is complex in structure, difficult to prepare, large in power consumption and high in cost can be solved. The light valve element comprises a first substrate and a second substrate which are oppositely arranged in parallel, the space between the first substrate and the second substrate are divided into multiple chambers, and first electrodes and second electrodes are arranged in each chamber, are insulated from each other and are perpendicular to each other; each chamber is filled with an electrophoretic buffer solution containing charged reflection particles, and the reflection particles can be adsorbed to the surfaces of the first electrodes or the surfaces of the second electrodes. The light valve element is simple in working principle, easy to prepare, little in power consumption, low in cost and convenient and efficient to control.

The invention discloses a cleaning device for adhesions on the inner wall of a pipeline. The cleaning device comprises a small-sized servo motor, a shift ring, at least two long handles and short handles, wherein an extending shaft of the small-sized servo motor is provided with threads; the shift ring is provided with balls; the balls slide in a threaded groove of the extending shaft of the small-sized servo motor; one end of each long handle is connected onto the shift ring, and the other end of each long handle extends; a scraper is arranged at the extending end; a polyester fabric covers the outer sides of the long handles; the number of the short handles is identical with that of the long handles; the short handles are used for supporting the corresponding long handles; and an illuminating lamp, a camera, a control device and a push-pull tube are arranged on the small-sized servo motor. According to the cleaning device disclosed by the invention, the device is mounted into the pipeline by the push-pull tube; the adhesions are found by pushing and pulling the push-pull tube; the small-sized servo motor is started, the long handles drive the polyester fabric to be opened, and the adhesions on the inner wall of the pipeline are scratched by outer ends of the long handles; and the scratched adhesions are collected in the hopper-like polyester fabric, and the push-pull tube is drawn to withdraw from the pipeline. According to the cleaning device disclosed by the invention, the adhesions on the inner wall of the pipeline are removed by adopting a physical method, so greenness and environmental protection are realized; and working efficiency and economic benefits of pipeline maintenance departments or enterprises are improved.

The double spherical shock absorbing and insulating bearer for railroad bridge includes an upper bearing plate, a middle bearing plate and a lower bearing plate superposed successively and sliding teflon plates set between bearing plates. The lower bearing plate has fixed shearing force member. The middle bearing plate has an upper spherical surface in small curvature radium for connection to the upper bearing plate through spherical spin friction, and a lower spherical surface in great curvature radium for connection to the lower bearing plate through spherical sliding friction. In addition, there are also a top basin on the upper bearing plate and a sliding teflon plate in between. the present invention has obvious shock absorbing and insulating effect, easy control and regulation, capacity of ensuring structural safety and lowering engineering cost, and other features.

The invention discloses a flying saucer and two smoke- and fire-free engines. The flying saucer is composed of a cabin and a disk which rotates round the cabin. The disk includes a disk-shaped wing and a rotary engine. The cabin includes a driving cabin, a passenger cabin and a device cabin. The rotary engine sucks air which is mixed with water, and then the mixture is jetted out horizontally through jet tubes installed on the edge of the disk according to the sprayer principle, so that a generated reactive force enables the disk to rotate at a high speed, thereby generating an upward raising force on the disk. Four fixing wings are installed outside the device cabin to eliminate reverse rotation of the cabin. A vector engine and a diesel power generating set are installed in the device cabin under the disk. The vector engine sucks large amount of air through an air inlet duct in the passenger cabin to form vacuum above the passenger cabin, which enables air pressure difference between an upper surface and a lower surface of the disk to be increased, thereby generating a huge raising force. The sucked air is compressed to form high-pressure gas which is discharged into vector jet tubes and is jetted out, wherein the directions and the angles of the vector jet tubes are adjustable to generate pushing forces in different directions, thereby achieving maneuvering flight of the flying saucer.

There is disclosed an automatic vegetable grafting machine for vegetable grafting. Its stake clamp, which is on the operating platform, is aligned with the center of the graft clamp. The graft clamp's two explorators positions can be adjusted according to the sprout size; one leaf of stake sprout is relied to the exploratory, and scion stalk is relied to the exploratory and is a little bent. The stake and the graft incision fold automatically because of the two knives relative positions on knife-carrier slide and the graft scion bending. Wherein, compression lever and support swing link are separately joined with frame by means of gemels; the stake clamp swing link and the graft clamp swing link are contacted with cam and are joined with the support by means of gemels, and control opening or shutting of the stake and the graft incision and up-or-down movement of the lifter and the knife carrier. After cutting, the stake and the graft incision ascend along the stake and the scion until the graft stalk is unbend and automatically fold with the stake sprout incision, then the stake clamp and the graft clamp open and graft is completed. The machine has simple structure and high work efficiency of 600 trees per hour.

The present invention relates to a charging progress indicating device and operational method of mobile device. The device includes a CPU, each functional modules, a charging inducting processing module, a LED controlling module and a LED array; the charging inducting processing module is connected with the CPU, and is connected with the LED array by the LED controlling module. The method includes the steps as follows: starting to charge, starting the charging inducting processing module, acquiring voltage value of the charging battery to make the area judgment, sending the section display controlling instruction to the LED controlling module according to the judgment result, starting up the LED array to lighten and display, then charging process is finished. The charging progress indicating device and method at the mobile device can easily get the detailed information of the current charging progress and the charging quantity, to form the best vision effect, so the present invention is beautiful and practicable; the operation principle is simple, and the using is convenient and quick, the operation progress is stable and accurate, so the present invention is suitable for a wider using range, to bring the greater convenience for using the mobile device.

The invention discloses a full-automatic paint spraying production line. The full-automatic paint spraying production line comprises a feeding region, a drying region, an automatic primer/ colored paint spraying region, a primer leveling and drying region, a pre-spraying region, an automatic UV paint spraying region, a UV leveling and curing region, a discharging region, a master control machine and a slave control machine. The drying region comprises a heating and dehumidifying device. The automatic primer/colored paint spraying region and the automatic UV paint spraying region are completely the same in structure. The full-automatic paint spraying production line comprises automatic paint spraying equipment. The primer leveling and drying region comprises a leveling and drying machine. The UV leveling and curing region comprises a leveling and curing machine. After being fed from the feeding region and dried in the drying region by means of the conveying chain, helmets to be sprayed with paint are subjected to primer/colored paint spraying, leveling and drying, UV paint spraying and leveling and curing and are finally discharged from the discharging region by means of the conveying chain. The full-automatic paint spraying production line is simple in principle and high in automation degree, production cost is saved, labor intensity is reduced, production efficiency is improved, and the enterprise market competitiveness is improved.

The invention relates to a polarized antenna with wave guiding cavity-backed lines integrated on a rectangular substrate. The traditional polarized antenna has the disadvantages of low performance of single radiation unit, large bulk, complex structure and high manufacturing cost. The dielectric substrate of the invention is plated with metallic layers on two sides; the upper metallic layer is etched with a microstrip line for feeding and a plurality of coplanar wave guiding transmission lines; the coplanar wave guiding transmission lines are grounded coplanar wave guiding structure, wherein, the metallic strip in the middle is extended outwards to form the microstrip line. A plurality of metallized through holes, which are arrayed as a square, are penetrated through the upper metallic layer, the medium substrate and the lower metallic layer to form the cavity; the coplanar wave guiding transmission lines are extended into the cavity. An elongated radiation slit is etched on the lower metallic layer corresponding to the cavity. The invention has the advantages that: by adopting the general PCB technology, the production cost is notablely decreased and the invention can be integrated with the microstrip circuit without seam, the integrity of the system is improved; compared with the exact machining of the traditional cavity-backed antennas, the manufacture speed is high and the cost is low.

The invention relates to an adjustable rotating axle mechanism, which is installed between the seat body and the cover body of an electronic product. The adjustable rotating shaft mechanism comprises a fixing part, a rotating part and an elastic element arranged between the fixing part and the rotating part, wherein, the fixing part and the rotating part can be rotationally assembled into a whole through the elastic element, a groove is arranged on the rotating part, a limiting groove is arranged on the fixing part, and the free end of the elastic element extends into the groove from the limiting groove, and can move in the groove and the limiting groove. During the expanding process of the cover body, the elastic element is taken as the rotating part to promote an auxiliary part rotationally, during the trimming process, the rotating angle of the trimming is controlled through the width of the groove, and simultaneously, the relative rotational speed of the both is controlled through a cushioning mechanism during the trimming. The rotating axle mechanism utilizes the different position relations of the elastic element during the action process to realize the trimming of the expanding angle between the cover body and the seat body after the cover body is expanded, thereby to realize the trimming of the photographing visual angle of a camera, and through expanding the expand e photographing visual angle, images or pictures at the broader angle are obtained.

The invention discloses a method for simulation foundation pit excavation inner supporting experiments on the basis of a simple soil engineering centrifugal machine and a special clamp thereof. The method comprises the steps of vertically excavating left soil mass layer by layer in a layered mode, adjusting a supporting mechanism layer by layer so that the supporting mechanism can abut against a supporting plate, utilizing a displacement detection device placed on a next stage soil mass layer to collect displacement of the supporting plate, starting a centrifugal machine experiment, stopping the experiment until displacement is stabilized, and taking out a model box; excavating a second layer of soil mass, and performing a centrifugal machine experiment after excavation of the second layer of soil mass; and repeating the operation until a final layer of soil mass is excavated. Lateral movement of every working condition stage in the foundation pit excavation process can be accurately measured, and the measurement can be used for guiding actual foundation pit excavation. The simulation foundation pit excavation working conditions are the same as actual working conditions, and simulation experiment accuracy is guaranteed; a working principle is simple, a device is simple, the method has convenience in installing operation, and the clamp with different inner supporting screw welding positions can be manufactured according to different model box sizes and different engineering projects.

The invention discloses a light source and a setting method thereof, and an optical detection method and system. The method comprises the following steps: acquiring image gray level distribution characteristic data of a standard sample in a camera view field range; adjusting the light-emitting intensity distribution of a light source according to the image gray level distribution characteristic data, wherein the light source is an area array light-emitting device, and the area array light-emitting device comprises a light-emitting unit with controllable light-emitting intensity; and using an adjusted light source to illuminate a detected product, adjusting the luminous intensity distribution of an area array illumination light source, feeding back the compensated brightness distribution to the light source, and carrying out illumination for compensating the brightness distribution. Image saturation of a high-reflection area is avoided, and meanwhile the image brightness of a low-reflection area is improved. Therefore, the detection precision of the detected object irradiated by the light source is improved.

The invention relates to a manually switched multi-mode steering hydraulic control system and a wheeled crane; the multi-mode steering hydraulic control system comprises a full hydraulic steering gear, a first hydraulically controlled reversing valve, a second hydraulically controlled reversing valve, a first flow shunting and collection valve, a second flow shunting and collection valve, a third hydraulically controlled reversing valve, a fourth hydraulically controlled reversing valve, a first handle control reversing valve and a second handle control reversing valve. According to the multi-mode steering hydraulic control system, the handle control reversing valves are adopted to form a multi-mode selector valve; the turning direction of the corresponding mode is selected by switching the combination of valve positions through a handle, a multi-mode switching valve which is formed by the flow shunting and collection valves and the hydraulically controlled reversing valves is used for controlling, the flow shunting and collection valves shunt a hydraulic source and supply energy to the steering system, the hydraulically controlled reversing valves is used for controlling the flowing direction of a hydraulic oil way, so that the steering oil cylinders of a front shaft and a rear shaft work according to the set requirements, wheels are driven to rotate according to the operation intention of a driver, and multi-mode steering is realized.

The invention provides a gas separating device which comprises a separating box, an automatic water draining device and a manual water draining device. The separating box is provided with an air inlet pipe which is used for gas which is to be separated and is mixed with water to enter. An air discharging pipe which is used for separated gas to be discharged is arranged on the upper portion of the separating box. The manual water draining device and the automatic water draining device are respectively connected to the bottom of the separating box. A gas recycling pipe used for recycling gas is connected between the automatic water draining device and the separating box. The invention further provides a gas separating method. Gas and water are separated at the source, gas separating effect is improved, and construction quality and safety are guaranteed.

The invention discloses a safety rod driving system of a liquid heavy metal cooling reactor, which belongs to the field of nuclear reactor equipment. The system comprises a motor (1), a rod position indicator (2), a transmission rod (30), a movable damper (4), a gripping device (5), an electromagnet (7), a moving rod guide tube (10), a moving rod (12), a control rod baffle plate (13), another gripping device (15) and a shell (6). According to the safety rod driving system, the safety rod is positioned at the lower end of a reactor core in power operation on the basis of the characteristics that a liquid heavy metal solution is large in density and an object bears large buoyancy in the liquid heavy metal solution; and under an emergency working condition, the safety rod is inserted into the reactor core by virtue of the buoyancy, and the safe reactor shutdown is realized. The safety rod driving system meets the requirements on shutdown of the nuclear reactor, and is simple in structure, reliable and convenient to repair.

The invention discloses a magnesium and magnesium-alloy quantitative casting furnace which comprises a large-capacity crucible that is externally provided with a first electrical heating component; the large-capacity crucible is communicated with a quantitative furnace which is externally provided with a third electrical heating component by a discharge pipe that is externally provided with a second electrical heating component; the large-capacity crucible is provided with a metal cover plate which is assembled in a sealing way, and the metal cover plate passes through a one-way air inlet control device; and a sealing furnace cover of the metal cover plate is provided with an air outlet control pressure release valve. The magnesium and magnesium-alloy quantitative casting furnace and a horizontal cold chamber die casting machine are arranged in a horizontal way, and quantitative casting of molten metal can be completed by filling inert gas by utilizing air pressure principle. A bigger and a smaller furnace bodies play the different roles, and the bigger furnace body is used for heating and insulating molten metal and maintaining the gas pressure, is sealed in the whole process, is not contacted with the outside, and ensures the metal quality; and meanwhile, the arranged pressure release valve has the functions of convenient cleaning and convenient feeding. The smaller furnace body is used for storing unit molten metal needed to be treated by quantitative casting, and can accurately heat the molten metal to the best temperature due to the small volume, thus ensuring the quality of castings.

The invention discloses a detection system of ground automatic passing split-phase locomotive position. The detection system comprises a contact screen with two subsection neutral sections, current transformers, a high-voltage breaker, an automatic passing split-phase protection measuring and control device, a communication management device, an AC/DC (Alternating Current/Direct Current) power supply and an outdoor switch station box body, wherein the contact screen with the two subsection neutral sections is provided with three anchoring section joints, and each neutral section is provided with the independent current transformer. The invention discloses a detection method of the ground automatic passing split-phase locomotive position. The detection method comprises the steps of detecting that whether the locomotive current is normal or not through the current transformers on the two neutral sections, judging the actual position of the neutral section where a locomotive is located, and using the actual position as the basis of separating and combining operations of an automatic passing split-phase breaker. According to the detection device and the detection method, which are disclosed by the invention, the working principle is simple, the judging is accurate, the detection is not affected by single-locomotive or multi-locomotive traction and can also not be affected by running speed of the locomotive, the detection device and the detection method are suitable for a passenger and freight mixing line and are also suitable for a normal-speed or high-speed railway, and the application is very wide.

The invention discloses an external force damage prevention early warning system of an underground power cable based on an optical fiber vibration sensing technology. The system comprises an optical fiber vibration sensor assembly, a temperature and humidity sensor, a noise sensor, a sensing signal acquisition unit, a signal transmission unit and a monitoring and early warning platform, wherein the temperature and humidity sensor and the noise sensor are respectively connected with the signal transmission unit through the sensing signal acquisition unit; the optical fiber vibration sensor assembly is connected with the signal transmission unit; the signal transmission unit is connected with a microprocessor; and the microprocessor is connected with the monitoring and early warning platformthrough a wireless transmission module. The system also comprises an alarm unit, a comparison unit and a storage unit, wherein the alarm unit, the comparison unit and the storage unit are respectively connected with the microprocessor. The system has the advantages that the working principle is simple, the underground power cable can be monitored in real time, an alarm signal is sent immediatelybefore damage, and in addition, a damage position also can be positioned.

The invention relates to a digital distribution tightening pliers directed at the connection of hardware of a digital distribution system. The pliers comprise five function structures of pliers handles, a fixing shaft, pliers heads, elbows and a circular jaw. The pliers handles are in a splayed arc shape, of the pliers heads and the pliers handles are opposite in moving directions and connected through the fixing shaft. The pliers heads are connected with the elbows, and the circular jaw is formed in the elbows. The pliers are used for helping completing mounting and dismounting of 2M cables and 2M connection rings on a digital distribution frame. By adding the elbows, the jaw direction is changed, and the jaw shape is changed, so that the jaw can be tightly snapped with a 2M head conveniently.

The invention relates to steel-aluminum rail welding line equipment and belongs to production equipment of rail transit power supply parts. The steel-aluminum rail welding line equipment comprises a roller bed conveyor frame, a side positioning rack, a welding unit, a motor assembly, a transmission chain, a control operating table, a welding torch holder, a main bench and a roller transmission unit. The steel-aluminum rail welding line equipment has the advantages that operation is simple, production speed is high, welds are uniform, and pass rate of products is high.

The invention discloses a pipe feeding and discharging device suitable for pipes of different diameters and a working method. The pipe feeding and discharging device includes a feeding unit, a discharging unit, a pipe transfer and conveying unit and the pipes. The pipe transfer and conveying unit is located between the feeding unit and the discharging unit, the feeding unit can place the pipes atone end of the pipe transfer and conveying unit, the pipe transfer and conveying unit can transfer the pipes, and the discharging unit can take the pipes from the end, away from the feeding unit, of the pipe transfer and conveying unit; and the feeding unit includes a machine frame, an oblique-direction adjustable device I, an oblique-direction adjustable device II, a V-shaped feeding push rod assembly, a feeding driving device, a V-shaped wide material fixing block I and a V-shaped wide material fixing block II. The working method of the pipe feeding and discharging device suitable for the pipes of different diameters is simple and easy to operate in working principle, high in degree of automation of the working process and less in required manpower, the production efficiency is improved,and the pipe feeding and discharging device and the working method are suitable for large-scale industrial applications.

The invention discloses an intelligent girder segment matching installation control system. The intelligent girder segment matching installation control system comprises an angle sensor and a central control unit, wherein the angle sensor is arranged at the front end of a girder segment to be installed and is used for collecting the data of the included angle between the girder segment to be installed and an installed girder segment; the central control unit is in communication connection with the angle sensor so as to receive the included angle data of the girder segment to be installed and convert the included angle data into altitude data xi of an installation point of the angle sensor; and the central control unit judges whether the height difference of the altitude data xi of the installation point and the theoretical installation height h1 of the girder segment to be installed at the position of the installation point is larger than 2 mm or not, and if yes, the central control unit sends a starting signal to a bridge floor crane. According to the intelligent girder segment matching installation control system, by setting the position relation between the angle sensor and the girder segment and measuring the relative included angle between the girder segments, errors caused by steel girder vibration is avoided, the procedures of the whole girder segment matching process are simplified, informationized and intelligentialized, the control precision is fundamentally guaranteed, and meanwhile the labor cost is also reduced.

The invention discloses a full-automatic rotor shaft core press-in production line and a working method thereof, and belong to the technical field of manufacturing equipment such as lifting transportation equipment and material handling equipment using automatic control, computer information management and other technical equipment. The full-automatic rotor shaft core press-in production line comprises a production line platform, a rotor shaft clamping manipulator, a rotor clamping manipulator, a press-in workbench, a rotating workbench, a rotor shaft core press-in assembly, a rotor rotating assembly, a rotor shaft conveying assembly and a rotor conveying assembly. The rotor shaft clamping manipulator can clamp rotor shafts on the rotor shaft conveying assembly to the rotor shaft core press-in assembly, and the rotor clamping manipulator can clamp rotors on the rotor conveying assembly to the rotor rotating assembly. The full-automatic rotor shaft core press-in production line is simple structure and reasonable in design, and is easy for production. According to the working method, the working principles are simple and easy to operate, the degree of automation in the working process is high, less manpower is required, the production efficiency is improved, and the working method is suitable for large-scale industrial application.

The invention discloses a tool provided with double tracks to conduct pushing, accumulating and slipping and a construction method thereof. The tool comprises a pushing, accumulating and slipping joint, a slipping structure main body position locating joint and a steel strand pulling and arranging joint. The pushing, accumulating and slipping joint comprises a V-shaped column hemisphere supporting seat, compound section shoulder pole beams, steel slipping boots and a pushing device. The slipping structure main body position locating joint comprises upper brackets, jacks and lower brackets. The construction methods comprises the steps that (a) the lower brackets are manufactured and mounted; (b) the pushing, accumulating and slipping joint is manufactured and mounted; (c) the upper brackets are manufactured and mounted; (d) the pushing, accumulating and slipping joint is welded to a slipping structure main body; (e) prestressed steel strands are tensioned; (f) the pushing device and the steel slipping boots are mounted; (g) pushing and slipping construction is conducted; and (h) the slipping structure main body is located. According to the tool and the construction method thereof, the problems that the deflection of a single beam and a single track is large, the force of a slipping structure is uneven, and slipping is difficult are solved, and meanwhile the problem that the slipping structure main body is difficult to locate after slipping is completed is solved.

The invention discloses an all-optical logic gate device based on nanowire waveguides of a multislot silicon substrate, which is characterized by comprising two input waveguides, two output waveguides, first mode converters (51), a nonlinear directional coupler (6) and second mode converters (52). The input waveguides include a first input waveguide (1) and a second input waveguide (2) and are used for inputting signal optical pulses and controlling the optical pulses, the output waveguides include a first output waveguide (3) and a second output waveguide (4), the first input waveguide (1) and the second input waveguide (2) are respectively connected with the nonlinear directional coupler (6) by the first mode converters (51), and the nonlinear directional coupler (6) is respectively connected with the first output waveguide (3) and the second output waveguide (4) by the second mode converters (52). The all-optical logic gate device has the advantages of easiness in implementation, fast working speed, low power consumption, compact structure, cheap price and the like.

The invention discloses a method and device for taming a rubidium clock by combining common view and one-way time service of a Beidou satellite. The device comprises a host provided with a display screen. A main control board is installed in the host, and is provided with a Beidou and time signal measurement module, a data collection processing and display control module, a power module, and a phase locking and rubidium clock module. According to the method, the working principle is simple, the problem that a traditional Beidou cannot trace the UTC time during rubidium clock taming and the time service deviation is large is solved, and meanwhile the problems that the taming period of taming a rubidium clock through a Beidou common-view method is too long, common-view equipment breaks down or a communication link is abnormal, and time difference cannot be obtained for taming are solved.

The invention provides an oil head of a Kaplan turbine and the Kaplan turbine with the oil head. The oil head comprises a movable ring (10) connected with a main shaft (8), a fixed ring (11) rotationally connected with the movable ring (10) through two bearings (13), a first oil pipe (2), a second oil pipe (3), a third oil pipe (4), a first oil cavity, a second oil cavity, a third oil cavity, a first operation oil pipe (7), a second operation oil pipe (6) and a third operation oil pipe (5). The first oil pipe (2), the second oil pipe (3) and the third oil pipe (4) are connected with the fixed ring (11). The first oil cavity, the second oil cavity and the third oil cavity are located between the movable ring (10) and the fixed ring (11) and communicate with the first oil pipe (2), the second oil pipe (3) and the third oil pipe (4) correspondingly. The first operation oil pipe (7), the second operation oil pipe (6) and the third operation oil pipe (5) are located in the movable ring (10) and communicate with the first oil cavity, the second oil cavity and the third oil cavity correspondingly. The first operation oil pipe (7), the second operation oil pipe (6) and the third operation oil pipe (5) communicate with a closing cavity, a pressure keeping cavity and an opening cavity of the oil head correspondingly.

A fully-automatic bag making, filling and sealing machine filling a non-polyvinyl chloride (PVC) membrane transfusion soft bag from a shoulder comprises a frame (3), and a bag making device and a filling and sealing device which are arranged on the frame (3). The fully-automatic bag making, filling and sealing machine is characterized in that the filling and sealing device comprises a second annular transmission component (16), and a filling and sealing mechanism (12), a sealing mechanism (13), a cooling mechanism (14) and a bag output mechanism (15) which are connected sequentially from right to left by the second annular transmission component (16); clamps for fixing the bag and driving the bag to move are uniformly distributed on both a first annular transmission component (8) of the bag making device and the second annular transmission component (16) of the filling and sealing device; a transfer mechanism (11) is arranged between the first annular transmission component (8) and the second annular transmission component (16); and a notch is formed in a welding mechanism (9), so that a shoulder opening (40) is reserved on the shoulder of the bag which is welded. The equipment has the advantages of compact structure and no solid particle mixed in liquid medicine in the production process.

The invention relates to a low profile cavity backed integrated antenna with a widened frequency band. A metal backed cavity of the traditional antenna has a large volume and high processing cost and is difficult to process. The low profile cavity backed integrated antenna with the widened frequency band comprises a dielectric substrate, an upper metal layer which is coated on the upper surface of the dielectric substrate, and a lower metal layer which is coated on the lower surface of the dielectric substrate. A plurality of electric interconnection units which pass through the upper metal layer, the dielectric substrate and the lower metal layer are arranged in sequence to form an electric interconnection array; an area which is surrounded by the upper metal layer, the lower metal layer and the electric interconnection array forms a cavity body; a feed unit stretches into the cavity body; and a linear type gap is formed on the metal layer inside the cavity body. The volume of the cavity backed antenna is reduced greatly, and an operation bandwidth of the low profile antenna of the type is reduced obviously at the same time; manufacturing cost is reduced remarkably; and seamless integration between the low profile cavity backed integrated antenna and a planar circuit can be realized.

The invention discloses an in-plane modal circumferential traveling wave rotary type ultrasonic motor belonging to the technical field of ultrasonic motors. The in-plane modal circumferential traveling wave rotary type ultrasonic motor comprises a vibrator and a rotor, wherein the rotor is arranged on the inner side of the vibrator; a pre-tightening mechanism which can adjust pre-tightening forceis arranged between the vibrator and the rotor; the vibrator comprises a piezoelectric ceramic ring and a metal elastic body, wherein the metal elastic body is arranged at the inner side of the piezoelectric ceramic ring and is in the shape of a thin round platform, and the contact area of the vibrator and the rotor is in the shape of a round platform. The invention has large output torque, smallaxial volume and reliable work.