47results about How to "With adjustable" patented technology

The invention provides a polarization-independent ultra-narrow multiband tunable perfect absorber, and belongs to the field of metamaterials. The absorber comprises a metal layer, a dielectric layer and a periodic metal nanostructure array layer; the metal layer as a reflection layer is arranged on a bottom layer; the dielectric layer is positioned between the metal layer and the periodic metal nanostructure array layer; and the periodic metal nanostructure array layer is formed by periodically arranging metal cylinders with air holes etched in the middles. According to the absorber, ultra-narrow multiband perfect absorption can be realized, and the perfect absorption is insensitive to polarization state change under normal incident light. The maximum absorption of the absorber reaches 99.9%; the maximum bandwidth does not exceed 30 nm; and the sensing sensitivity reaches 325 nm/RIU.

The invention discloses a weighting comparison method for motion-blur iris recognition. The weighting comparison method comprises the steps as follows: S1, collecting and building a training set which comprises sharp and artificially-blurred iris images, obtaining ROIs (regions of interest) through preprocessing the training set, switching the ROIs under polar coordinate systems, performing feature extraction on the ROIs, comparing paired sharp and artificially-blurred iris images, obtaining general reliability maps of codes of motion-blur iris images, and normalizing the reliability maps to obtain weighting matching templates for motion blurs; and S2, obtaining the ROIs through preprocessing the iris images to be recognized, meanwhile, judging lengths and directions of the motion blurs, switching the ROIs to the polar coordinate systems, performing feature extraction on the ROIs, and adaptively performing weighting comparison on the weighting matching templates for the motion blurs obtained in the S1 and samples in a registry according to the lengths and the directions of the motion blurs of the iris images. According to the weighting comparison method, adverse effects caused by the motion-blur iris images on system recognition performance can be effectively reduced, and the system robustness can be improved.

The invention relates to a cam plotting instrument. Because of the large size and the arrangement of a laboratory, the conventional cam plotting instrument is not suitable for teachers to carry out demonstration in class, and has few functions, cannot demonstrate outline regulations of multiple cams, and thus has limited teaching effect, only has a function of demonstrating the motion regulation, cannot design the outline of a cam in an inversed direction. The cam plotting instrument comprises a base plate, a first rotating shaft, a second rotating shaft and a third rotating shaft penetrate through the base plate and are distributed in an inverted triangular shape; a transmission device is arranged on one side of the base plate; a plotting device is arranged on the other side of the base plate; the transmission device and the plotting device are connected through the first rotating shaft, the second rotating shaft and the third rotating shaft. The cam plotting instrument is simple and reliable in structure, light in weight, simple and convenient to operate, can help students to master the knowledge easily and can be used for a long time.

The invention discloses a pediatric jaundice treatment device for pediatric clinicians. The pediatric jaundice treatment device comprises a movable device, a fixed rack is fixedly connected at the topof the movable device, an adjusting mechanism is arranged in an inner cavity of the fixed rack, a placement box is arranged in an inner cavity of the adjusting mechanism, the placement box is a sealed box body, and an openable seal cover is arranged at the top of the placement box. By arrangement of the adjusting mechanism, a white-light treatment lamp and a blue-light treatment light with different colors and brightness are arranged on the surface of a rotating rack separately, so that the adjusting mechanism can be operated to drive the rotating rack to rotate, and the white-light treatmentlamp and the blue-light treatment light can be adjusted and selected; and by arrangement of a limit mechanism, the rotating rack is limited, so that the rotating rack can be stable without rotation after selection to ensure stability of the white-light treatment lamp and the blue-light treatment light. The pediatric jaundice treatment device for pediatric clinicians has the advantage that the light color can be adjusted.

The invention relates to a self-priming burner which comprises a burner body, a fuel gas connecting pipe, a valve, a fuel gas spraying pipe and a burner nozzle. The valve is installed between the fuel gas connecting pipe and the fuel gas spraying pipe. A through injection chamber is formed in the burner body. The burner nozzle is installed at the tail end of the burner body. The self-priming burner is characterized in that a fuel gas adjusting base with a fuel gas preliminary mixing chamber is installed at the starting end of the burner body, two air induction openings communicated with the fuel gas preliminary mixing chamber are symmetrically formed in a base body, the fuel gas spraying pipe is installed on a spraying pipe installation piece of the fuel gas adjusting base, and a nozzle of the fuel gas spraying pipe stretches into the fuel gas preliminary mixing chamber; three spiral-flow-type mixing blades are arranged in the injection chamber; the end of the burner nozzle is provided with a central gas outlet communicated with a gas outlet chamber, a plurality of parallel gas outlets and an annular gas outlet groove. The self-priming burner has the advantages of being capable of saving energy, adjustable, high in burning efficiency, low in fuel gas inlet pressure requirement and wide in gas application range. The self-priming burner is particularly suitable for natural gas.

The invention discloses an adjustable rigidity suspension cushion device which comprises a first stage conical elastic body (6) and a second stage conical elastic body (10) of two stages of variable cross sections; a connecting plate (4), the first stage conical elastic body (6), a connecting plate (9), the second stage conical elastic body (10) and a connecting plate (11) are connected in sequence; a stretching screw (1) passes through a central hole of the connecting plate (9), a central hole of the first stage conical elastic body (6), and a screw hole of the connecting plate (4), and is locked through a nut (2); the centre of the lower part of the first stage conical elastic body (6) is a first regulating cavity body (7); auxiliary regulating cavity bodies (5) are arranged on the first stage conical elastic body (6) and the second stage conical elastic body (10) and consist of a plurality of holes from outside to inside; the cavity body of the auxiliary regulating cavity body (5) can be hollow or filled with lubricant fillers with low elasticity; and an auxiliary regulating rod is applied in coordination with the auxiliary regulating cavity bodies (5).

The invention relates to the technical field of chain conveyor belts, in particular to an adjustable chain storage conveyor belt. The adjustable chain storage conveyor belt comprises a conveying linerack, a positioning mechanism and a control cabinet, wherein at least two parallel and width-adjustable conveying mechanisms are installed on the conveying line rack, and the width-adjustable conveying mechanism comprises a conveying chain motor assembly; and the positioning mechanism is installed at the tail end of the conveying line rack, the control cabinet is installed in the conveying line rack, and the control cabinet is in control connection with the conveying chain motor assembly and the positioning mechanism. According to the adjustable chain storage conveyor belt, the positioning precision and the occupied area are small, the positioning mechanism and the chain conveyor belt (the conveying mechanism) are combined into a whole, the overall occupied area of space is reduced, the positioning is more accurate, and adjustable chain storage conveyor belt can be suitable for diverse products and convenient to adjust; and by means of cooperation of hand wheels, T-shaped lead screws and T-shaped nuts, two tracks can be controlled at the same time, adjustment of the width of the two tracks is more convenient, the precision is higher, and the practicability is higher.

The embodiment of the invention discloses a software configurable reset device and method, which are used for resetting a chip. The reset device comprises a configurable reset state machine and a configurable reset condition register. The reset state machine is configured to perform state jump according to a sequence specified by the configurable reset condition register, and when a reset condition is satisfied, the reset device generates reset output in a corresponding state according to the state jump sequence, and controls modules in the chip to complete reset operation in sequence. According to the invention, different reset sequences and functions can be realized by configuring the reset device. The reset device has the characteristics of configurability, expandability and adjustability, and overcomes the defects that in the chip reset design, the conditions of switching of a reset source, a reset state and a reset state only can be designed specifically and cannot be flexibly configured by software according to needs.

The invention relates to a nonlinear coupling resonance unit and a nonlinear acoustic meta-material cellular structure. The nonlinear coupling resonance unit comprises a vibrator, a spring, a base, a sleeve and a support bar, wherein a center hole is formed in the middle of the vibrator, and the support bar penetrates through the center hole of the vibrator; the vibrator and the support bar are coaxially arranged; the support bar takes the vibrator as a midpoint, and two ends of the support bar are symmetrical and sleeved in the sleeve; the base is arranged at the end, away from the vibrator, of the sleeve, and the two ends of the vibrator are fixedly connected to the base through the spring; and gaps are arranged between the end face of the vibrator and the end face of the sleeve and between the center hole of the vibrator and the support bar. The unit has the characteristics of compact structure, adjustability and the like; and by applying the unit and based on a typical plate shell structure, a super-nonlinear material structure is designed, a nonlinear local resonance band gap and a chaotic band can be generated, and a low-frequency broadband vibration suppression effect is generated under small additional mass.

The invention discloses a clamping device for mechanical fitting production. The clamping device comprises an extension module, a worktable, an extension cylinder and a connecting shaft; a base is arranged at the bottom end of the worktable; the extension module is arranged between the base and the worktable; the extension module comprises an inner pipe, and an outer pipe sleeving the outer end ofthe inner pipe; the bottom end surface of the outer pipe is fixedly connected to the center position of the upper surface of the base; the top end surface of the inner pipe is fixedly connected withthe bottom end surface of the worktable; a driving motor is mounted in the base; an output shaft of the driving motor is connected with a connecting shaft; the upper end of the connecting shaft is vertically and fixedly connected with a thread rod; the thread rod is in threaded connection with the bottom end surface of the inner pipe; four sets of clamping plates are arranged on the upper surfaceof the worktable in a rectangular array mode; a pull plate is mounted in the worktable; and the inner pipe is slidingly connected with the outer pipe. The clamping device for mechanical fitting production is reasonable in structure, has the characteristics of adjustability and facilitation of use, and can be widely applied.

The invention discloses a light supplementing lamp device suitable for a portable terminal and provided with an adjusting knob switch. The device structurally comprises LED lamp tubes, a PCB, a power terminal base and a cable. The LED lamp tubes are arranged on the PCB and connected to the power terminal base through the cable. The PCB is provided with lamp panel fixing holes. When used, the light supplementing lamp device is embedded into portable self-service terminal equipment. The light supplementing lamp device is applied to the portable self-service terminal equipment, the method that light supplementing is carried out through equipment and a light source is replaced, and the equipment distributing space is saved; in addition, due to the characteristic of the small size, the structural layout is facilitated, cost is low, applicability is high, and the integration level and the attractiveness of the device are improved; and due to a manual adjustment knob, luminance can be continuously adjusted, and a light supplementing lamp can be controlled to be switched off.

The invention discloses a cabinet drawer for furniture (1). The cabinet drawer is in particular intended for kitchen cabinet furniture, having telescopic rail profiles (4) which are fastened to opposite furniture side walls (2, 3) and on which a furnishing part (6) of the cabinet drawer (5) can be supported, the cabinet drawer (5) having side profiles (9) for supporting the furnishing part (6) of the cabinet drawer (5), and the side profiles (9) of the cabinet drawer (5), which side profiles can be supported on the telescopic rail profiles (4), having a receptacle for a spacer strip (32) for furnishing parts (6) of different heights.

The invention discloses a lifting tool for lifting with an adjustable transmission shaft. The tool comprises movable plates, clamping plates, a torsion spring, a connecting hoop, a buffer layer, a cavity, a guide rod, a connecting block, hanging bases, hanging plates and hanging through holes, wherein the movable plate is two vertical plates which are parallel to each other, the V-shaped clampingplates are arranged on the movable plate, the torsion spring is arranged between the clamping plates, and the semicircular connecting hoop is fixedly connected below the movable plate; the buffer layer is arranged on the inner layer of the connecting hoop, the cavity is formed in the tail end of the buffer layer and located on the connecting hoop, and the arc-shaped guide rod is slidably connectedin the cavity; the outer end of the guide rod is fixedly connected with the connecting block, and the hanging bases are further arranged on the two sides of the top end of the movable plate; and thevertical hanging plates are fixedly arranged on the hanging bases, the hanging through holes are formed in the hanging plates. In general, the lifting tool for lifting with the adjustable transmissionshaft has the advantages of being adjustable, high in adaptability, high in grasping force, good in balance performance and stable in hoisting.

The invention provides an axial limiting device and method for a planet carrier of a rotary type planetary gearbox. A limiting ring is installed in a clamping groove machined in the left side of upper teeth of a machine body. Inner teeth of the limiting ring are meshed with outer teeth of the machine body. The machine body is meshed with the planet carrier. The tooth thickness and the tooth space center line of the limiting ring are both aligned with the tooth thickness and the tooth space center line of the machine body. The limiting ring and the planet carrier are combined and then connected through bolts. The planet carrier is clamped in the middle of the groove of the fixed machine body through the limiting ring with the inner teeth. The teeth of the limiting ring are arranged into the clamping groove along the tooth spaces of the machine body, the inner teeth of the limiting ring are circumferentially rotated by an angle relative to the outer teeth of the machine body, the teeth of the limiting ring are stopped by the outer teeth of the machine body, the limiting ring and the planet carrier of the low-speed level are connected through the bolts, and therefore the planet carrier of the low-speed level is axially limited. The axial limiting device has the advantages of being adjustable, good in floating stability and disassembly and assembly usability and the like. The axial limiting device is simple in structure, easy to machine, convenient to install, economical and convenient to use.

A gas-liquid driven cleaning device comprises a gas power unit, wherein a gas buffer is connected with the gas power unit; an air filter is arranged between the gas power unit and the gas buffer; a gas-liquid indicator is arranged on the gas buffer; a gas flow controller is connected with the rear end of the gas buffer, and comprises an automatic liquid balancing device and a flow control valve; alower cavity of the automatic liquid balancing device is connected with a torque amplifier through the flow control valve; a gas noise reducer is arranged at a gas exhaust port of the torque amplifier; the torque amplifier is connected with a liquid-operated reciprocating supercharger through a synchronous driver; a liquid inlet of the liquid-operated reciprocating supercharger is connected witha water source through a water pipe; a liquid outlet of the liquid-operated reciprocating supercharger is connected with an upper cavity of the automatic liquid balancing device through one end of a tee; a liquid-operated pressure water drum is connected with the other end of the tee; the tail end of the liquid-operated pressure water drum is connected with a high-pressure injector; the high-pressure injector is equipped with an injector switch plate and a spray head; and the nozzle angle of the spray head is adjustable. The gas-liquid driven cleaning device is very high in operability, safety, economy and applicability.

The invention provides a method and device for dynamically updating a calorie ranking list, and the method comprises the steps: the real-time calorie consumption of each user is calculated by receiving parameters uploaded by each user according to the fitness course by using sports equipment and according to the parameters and preset rules; according to the real-time calorie consumption of all the users, the calorie ranking list is dynamically updated, the calorie consumption of the users is calculated and sorted, and the ranking of the users and other users can be dynamically seen, so that the interestingness and the mutual competitiveness of the users are motivated to a greater extent, boring exercises are reduced, healthier exercise and fitness can be carried out through the calculated calorie, reasonable diet is matched, higher efficiency and better effect are achieved, many injuries caused by nonstandard exercise are reduced, the exercise is adjustable, and the exercise experience of a user is improved to a higher degree.

The invention relates to an on-satellite autonomous playback method of satellite digital transmission X delay link data. The method comprises the following steps: S1, calculating whether a satellite passes through a criterion latitude line; S2, judging whether digital transmission program control is allowed; S3, judging whether playback is performed on a present orbit of the satellite at the criterion latitude, and setting ground station playback parameters; S4, judging whether playback is performed on the present orbit of the satellite; S5, calculating a played back ground station record andcount at a current moment t; and S6, preforming delay data playback control. The on-satellite autonomous playback method provided by the invention has the characteristics that the on-satellite independent playback judgment is simple and is easy to implement, the on-satellite adjustment with high degrees of freedom of the satellite playback ground station parameters, satellite data playback areas,continuous playback orbit numbers and other parameters is achieved, and the special situation in which the interval between the playback areas is discontinuous in a satellite playback process can be handled.

The invention belongs to the field of electric power, and relates to a metal melt processing technology. The cooling molding device for a metal melt applied to a fuse comprises two opposite L-shaped bases, a cooling mechanism arranged between the L-shaped bases, and a movement mechanism which is arranged at the bottom of the L-shaped base. The cooling molding device provided by the invention has the characteristics of being adjustable, fast and comprehensive cooling, easy movement, low noise, high reliability and high practicality, and is suitable for a wide range of promotion.

The invention discloses a slide type hand-operated safety chuck convenient for placing, clamping and taking out extended and retracted roll materials. The slide type hand-operated safety chuck comprises a supporting end safety chuck and a power end safety chuck, wherein a reel mandrel is blocked and matched between a short shaft groove block of the supporting end safety chuck and a long shaft groove of the power end safety chuck through an insert; a long shaft and a short shaft can be adjusted, so that mounting and using errors can be compensated, and therefore, mandrels of different lengths are adapted; the slide type hand-operated safety chuck is great in bearing capacity, is manufactured from high-quality steel, greatly increases bearing weight through a special structure, is long in use time, is simple in maintenance, adopts blocking hole high-frequency quenching treatment, is convenient in maintenance as parts can be interchanged for use, is high in using precision, enables partsto be wear-resistant by chromium plating, blackening and quenching, is high in part precision, is strong in anti-deforming capability, is small in circular run-out, is high in safety, is dustproof andprevents clamp injury as a circular disc is equipped with a rubber ring, is prevented from dropping as a blocking hole is equipped with an axial positioning ring, is strong in applicability, adopts adetachable blocking hole, replaces different types, and is suitable for a precise high-rotation-speed occasion.

The invention discloses a side car of a side-car motor bicycle, comprising a side car body with a cavity, a frame, side wheels, a connecting frame and a fixed rod, wherein the side car body is fixedlyarranged on the frame; the connecting frame and the fixed rod are hinged with the frame through regulating rods; the upper end of the fixed rod is hinged with a fixing structure for fixing the fixedrod; a hinged part and a retainer ring are arranged on the frame; the side wheels are hinged with the hinged part and are equipped with damping mechanisms; the connecting frame is connected to the frame through the regulating rod, and the fixed frame is connected to the frame through the regulating rod. The side car of the side-car motor bicycle has the characteristics of being adjustable and goodin adaptability; and the damping mechanisms arranged on the side wheels improve taking comfort of the side car of the side-car motor bicycle.