472results about How to "Low driving power" patented technology

A sheet-shaped medium processing apparatus including a pair of arranging members. The arranging members have both an arranging function for arranging paper piled on a tray after being discharged in a discharge direction from a paper discharge roller at a fixed position, and a sorting / arranging function for arranging the papers grouped together at a different position in a direction perpendicular to the discharge direction for grouping together a predetermined number of papers. The apparatus arranges and sorts using low drive power and arranges the paper with high precision regardless of the amount of paper on the tray.

The invention discloses a robot for lower limb joint rehabilitation training, and belongs to the field of medical equipment. The robot comprises an ankle joint device, a knee joint device, a hip joint device, a mechanical leg thigh adjustment device, a mechanical leg shank adjustment device, a leg motion prediction device and a rack. The ankle joint device is directly driven by a motor and under bevel gear drive, and pressure sensors are installed on a pedal and can detect insole pressure to predict motion intentions of an ankle joint; a knee joint and a hip joint are driven by means of a high-speed synchronous belt and a low-speed gear, the mechanical leg thigh adjustment device and the mechanical leg shank adjustment device respectively use a swinging push rod sliding block mechanism composed by an electric push rod and a linear sliding rail, and accordingly the length of a mechanical leg can be adjusted so as to be suitable for patients of different heights; the leg motion prediction device is provided with a pressure sensor which can directly judge motion trends of the hip joint and the knee joint and can predict motion intentions of a lower limb of a human body by being combined with the pressure sensors arranged on the pedal, and accordingly flexible auxiliary rehabilitation training is finished.

The invention discloses an automatic packaging box stacking machine capable of achieving selective stacking, and belongs to the technical field of stacking. The machine comprises an arranging and steering mechanism, a grouping pushing mechanism, a door type stacking mechanism and a matched tray storage supply mechanism which are sequentially arranged on a rack in the packaging box conveying direction. The arranging and steering mechanism comprises a feeding conveying device and a steering device arranged on one side of the feeding conveying device; the machine is characterized in that the steering device comprises a pre-steering baffle and a strengthening check block which are arranged at an interval in the feeding conveying direction, the pre-steering baffle is hinged to a pre-steering air cylinder on the rack through a bending rod and is hinged to the rack to form a swing stretching-out blocking and reset releasing structure, the strengthening check block is connected with a strengthening air cylinder on the rack, and forms a strengthening and resetting releasing structure by means of guidance of a sliding rail and sliding block pair perpendicular to the feeding conveying direction, a packaging box, required to be subject to steering, in the conveying process is subject to rotating and pre-steering operation around the blocked angle by means of blocking of the pre-steering baffle, and pressing strengthening of the blockage angle can be achieved by means of the strengthening check block.

The invention discloses a method and a device for measuring the speed and frequency of ultrasonic traveling wave in a liquid. The method comprises the following steps that a monochromatic parallel light beam is vertical to an ultrasonic transmission direction and radiates a dynamic ultrasonic grating that the ultrasonic wave forms in the liquid; the dynamic ultrasonic grating penetrates through a lens and the diffraction spectrum of a traveling wave ultrasonic phase grating is formed; the spectrum is processed and imaged through an amplitude filter and an imaging lens, and a spectrum image of the ultrasonic traveling wave grating is obtained; the spacing of two adjacent spectral lines on the spectrum image is measured, and the wavelength of the ultrasonic wave in the liquid is calculated; the change of an electrical signal after the previous level of spectrum and zero level spectrum of the spectrum image are mixed is detected or recorded, and the frequency of the ultrasonic wave is worked out; the speed of the ultrasonic wave in the liquid is worked out through the wavelength and the frequency. The device for realizing the method comprises a light source, a transparent sink, a lens I, the amplitude filter, the imaging lens and the measuring device which are sequentially connected, and a sound-absorbing medium and the ultrasonic transducer are arranged in the transparent sink and are respectively arranged on both sides.

The invention discloses high-precision vegetable and fruit quick intelligent selecting equipment. The high-precision vegetable and fruit quick intelligent selecting equipment comprises a feeding conveying device, a horizontal conveying device and a pneumatic mechanism, wherein a horizontal conveyer belt comprising rollers is arranged on the horizontal conveying device; one or more groups of screening and discharging mechanisms which are opposite to the pneumatic mechanism in an up and down manner are arranged above the horizontal conveying belt; each screening and discharging mechanism comprises a discharging platform which is fixedly arranged above the horizontal conveying device; anti-falling baffles are respectively arranged on the front side and the rear side of each discharging platform; a rotational flow cover is arranged on each discharging platform; the side edge of each rotational flow cover is arc-shaped; a substandard product blowing-out opening is formed by two side edges of each rotational flow cover and two side edges of the corresponding discharging platform; each substandard product blowing-out opening is in up-and-down correspondence with air jet holes of the pneumatic mechanism. According to the high-precision vegetable and fruit quick intelligent selecting equipment disclosed by the invention, the screening and discharging mechanisms adopting special structures, a feeding and conveying device and rollers in the horizontal conveying device are arranged, the effects of positioning and precise photographing of vegetables and fruits are increased in an omnidirectional manner, and the screening efficiency is also greatly improved.

The invention relates to disk-type DC motors, particularly to a disk-type coreless permanent-magnetic brushless DC motor. The technical scheme comprises that the disk-type coreless permanent-magnetic brushless DC motor comprises two housings which are connected in a sealed mode, two end covers correspondingly arranged on the housings, and two bearings correspondingly arranged on the end covers. Each end cover is provided with a stop flange which extends to the end surface of the corresponding bearing, and an O-shaped seal ring is arranged between each stop flange and the end surface of the corresponding bearing. The disk-type coreless permanent-magnetic brushless DC motor also comprises an armature winding, the armature winding is in a ring shape and comprises an arc-shaped first part away from the a shaft, an arc-shaped second part close to the shaft, and arc-shaped third parts connected between both ends of the first part and the corresponding ends of the second part; the connection line of the centers of the first part and the second part is disposed in the middle section of the armature winding; the inner diameter of the first part is 1.5-2 times as large as that of the second part. The disk-type coreless permanent-magnetic brushless DC motor has good sealing performance and a high magneto-electricity conversion rate.

The present invention belongs to an underdrive rotary table intermitting mechanism. It includes machine table plate supported by more than two shafts, table seat on one shaft and rotary table. It is characterized by that between undersurface of the rotary table and upper surface of table seat a closed drive mechanism is set, said drive mechanism includes ratchet wheel, click fixing seat, click and spring. Besides, said invention also provides the working principle of said intermitting mechanism and its operation method.

The present invention relates to cutting equipment and is especially one computerized efficient and high-precision wire electrode cutting machine. The cutting machine consists of frame, winding cylinder driven by one DC motor to rotate in either right direction or reverse direction, Z-axis bench, Y-axis bench, tension mechanism with one pair of tension wheels controlled by one pair of micro cylinders to support the cutting wire, oscillating mechanism with one pair of oscillating support wheels and fixture. The cutting machine is used mainly for cutting silicon wafer, quartz glass, ceramic, jewel, magnesia and other hard and fragile material.

The invention relates to an automatic sun tracking device, and belongs to the technical field of solar utilization. The device comprises a condensation module array, a drive mechanism, a tracking control circuit, a sensor and the like. A set of control and drive mechanism controls and drives hundreds of to tens of thousands of sunlight receiving devices to track the sun; and the receiving devices comprise a condensation or non-condensation photovoltaic cell assembly, a heat energy receiving device, a sunlight reflector, a sunlight refractor and the like and are used for photovoltaic power generation or heat energy application and used for reflecting or refracting the sunlight to a receiver on a tower for photovoltaic power generation or heat energy application and the like. The device has simple structure, is not easy to deform, has good wind resistance, high tracking precision and low cost, and can be used for various solar utilization systems.

The invention discloses a low-power-consumption polymer thermo-optical switch with an air isolating groove structure and a manufacturing method of the low-power-consumption polymer thermo-optical switch and belongs to the technical field of manufacturing of polymer thermo-optical switches. The low-power-consumption polymer thermo-optical switch is composed of five portions including a substrate (1), a SiO2 lower coating (2), a waveguide core layer (3), a waveguide upper coating (4) and micro heating electrodes (5) from bottom to top, the micro heating electrodes (5) are positioned on a waveguide arm of a waveguide interaction area (103), the waveguide core layer (3) is of a Mach-Zehnder interferometer (MZI) type structure, and the waveguide upper coating (4) of the waveguide interaction area (103) is etched to be of the air isolating groove (9) structure by taking the micro heating electrodes (5) as covering films. Redesigning of structures and sizes of a waveguide and the electrode is avoided, and only a dry etching technology is needed to perform one-step etching operation on a device, in other words, power consumption of the device can be effectively lowered. Power consumption of the manufactured thermo-optical switch can be lowered to 6.5mW and is lowered by 45% than that of the device without adopting the air isolating groove structure.

A system and method for reducing visible speckle in images displayed using coherent light. In an embodiment, a system for displaying images includes a light source to produce coherent light, an array of light modulators optically coupled to the light source and positioned in a light path of the light source after the light source, and a controller electronically coupled to the array of light modulators and to the light source. The light source includes a coherent light source, and a first digital micromirror device (DMD) having a first plurality of micromirrors. The first DMD is optically coupled to the coherent light source and positioned in a light path of the coherent light source after the coherent light source. The first DMD directs coherent light by moving the micromirrors of the first plurality of micromirrors through a first range of tilt angles substantially continuously.

The invention discloses an azimuth-pitch movement two-shaft seat rack which is provided with a circular rail. The vertical axis of a vertical column is at the center of the circular rail, and the vertical column is connected to a rotation platform through the first rotation pair with a horizontal axis and is connected to a rack or ground through a second rotation pair with a vertical axis. The upper ends of two connection rods are connected to the rotation platform through hookjoints, and a sliding mechanism and the lower end of the connection rod are connected by using a composite hinge with three degrees of rotation freedom. According to the azimuth-pitch movement two-shaft seat rack, 0-degree to 90-degree pitch movement and -180-degree to 180-degree azimuth movement can be realized, external equipment can be a radar antenna, an astronomy radio camera, a camera, a sunlight reflector, and a solar energy sailboard. The structure is simple, the operation is convenient, and the problems of a heavy structure, a large driving power, and driving joint error accumulation of a traditional series connection type azimuth-pitch seat frame for large-scale apparatus equipment with a large quality are solved.

The invention discloses an optical fiber amplifier dynamic gain slope equalizer and a manufacturing technology thereof. The equalizer comprises an MEMS optical micro mirror driver chip and a double-optical fiber collimator through optical package; the MEMS optical micro mirror driver chip comprises an first optical micro reflecting mirror, a second optical micro reflecting mirror and a micro displacement regulating unit; the micro displacement regulating unit is used for controlling micro displacement motion of the first optical micro reflecting mirror and / or the second optical micro reflecting mirror in the horizontal direction or / and vertical direction, MZI splitting ratio and interference arm phase tuning can be realized, and spectral slope with inputted WDM optical signals can be dynamically controlled. The dynamic gain slope equalizer provided by the invention is manufactured by adopting the MEMS technology, has the advantages of low insertion loss, wide equalized range, small size, quick tuning speed, micro driving power and the like, can be directly integrated in the EDFA for realizing dynamic gain slope equalization, and can also be applied to the problem that signal power in the DWDM channel is not equalized due to transmission optical fiber, an optical fiber dispersion compensation module, optical fiber SRS effect and the like.

The invention belongs to the technical field of metallurgy, and discloses an electric furnace charging and preheating device, comprising a steel scrap conveying chute (1) which is arranged aslant with the horizontal plane; the high end of the steel scrap conveying chute (1) is provided with an inclined pull-type material receiving conveyor (B), and the low end of the steel scrap conveying chute (1) extends into an electric furnace (A) from a pore on the side wall of the electric furnace (A); the upper part of the steel scrap conveying chute (1) is provided with a seal cover which forms a steel scrap and smoke path with the steel scrap conveying chute (1). The electric furnace charging and preheating device of the invention has the advantages of small electric energy consumption, small equipment abrasion, large steel scrap conveying amount and small total length of equipment and is a new energy-saving and environment-protection technology with promotional value in electric furnaces or other production processes.

The invention relates to a laser cutting machine and a working method thereof. Like a small-breadth laser cutting machine, the laser cutting machine of the invention has high cutting quality, high efficiency and high accuracy, and the consumed power of a driving system in the cutting process is smaller. The laser cutting machine comprises a stand provided with an X lead rail, a main beam provided with a Y lead rail and a laser head seat, wherein the main beam is movably connected with the X lead rail on the stand; the laser cutting machine also comprises a cantilever beam for a laser head to realize short-distance movement in the X direction; the cantilever beam is provided with an X short lead rail; the root of the cantilever beam is movably connected with the Y lead rail on the main beam to enable the cantilever beam to make Y-direction movement; and the laser head seat is movably connected with the X short lead rail. The working method comprises the following steps: 1. installing a buffer area on the short lead rail; 2. according to different processing requirements, calculating by different steps respectively; and 3. starting the laser cutting machine according to the calculating to manufacture. In the invention, a vector control principle is adopted to synthetize VX minor-axis speed, VX long-axis speed and VY speed so as to effectively control the speed in processing to ensure the processing quality.

The invention relates to an inter-section phase-shift asymmetry six-phase permanent-magnetic straight servo motor, wherein it comprises two unit motors serially or parallel connected; the initial magnetic circuits of said two motors are independent; the section are distanced via non-conductive material; the relative windings or relative second axles of two unit motors are distanced via 2k pi+-90degree, while k is integer; the windings are asymmetry six-phase structure; their initial stages are mounted on movable platform and above the second stage of permanent magnet. The invention can restrain winding harmonic wave of synchronous straight motor, reduce driving power of each phase, and improve the stability of servo controller.

A triangle device of computer knitting machine comprises a triangle bottom plate, and a needle triangle, a couple of needle selecting pin return triangles, and a couple of needle selectors which are respectively fixed on the triangle bottom plate, and a needle triangle, a turnover triangle, and a couple of needle selecting triangles respectively arranged on the triangle bottom plate, and a couple of density triangles on the triangle bottom plate. The invention is characterized in that the invention also comprises a herring triangle, a raising triangle and a couple of needle collecting triangles, wherein the herring triangle and the raising triangle are respectively fixed on upper and lower parts of the triangle bottom plate and at the middle, the needle collecting triangles are contacted at two sides of the raising triangle. The invention has the advantages that the inventive triangle device has simple structure, easy installment, and small volume or the like, while the operation resistance of knitting needle is reduced significantly and the machine head is driven flexibly, with low driving power and low cost.

The invention relates to the field of engines, in particular to an adjustable cooling system of an engine. The system comprises a cooling main circulating pipeline. The cooling main circulating pipeline comprises a main path thermostat, an engine radiator, a main path water pump, a machine oil cooler, an engine cylinder body and a cylinder cover, which are communicated in sequence; a cooling circulating branch is arranged on the main circulating pipeline; one end of the cooling circulating branch is connected with the main path thermostat, and the other end of the cooling circulating branch is connected with one end of a water outlet of the engine radiator; and the main path thermostat can distribute the flows of cooling water in the cooling main circulating pipeline and the cooling circulating branch in real time according to the temperature of the cooling water. The adjustable cooling system can reasonably distribute the cooling water to precisely perform the real-time heat management for a whole vehicle, and can realize quick vehicle heating in a cold state of the engine when the engine reaches the normal working temperature as quickly as possible, so that the mechanical efficiency of the engine is improved, and the purposes of energy conservation and emission reduction are achieved.

The invention discloses an aluminium base built-in raceway roller guide pair. The aluminium base built-in raceway roller guide pair is provided with an aluminium base guide rail and an aluminium base sliding block, wherein a guide rail part is composed of a guide rail base body 1 and two high hardness steel raceways 2 inlaid on the two sides of an internal groove of the guide rail base body; a sliding block part comprises a sliding block base body 3, a fixed roller group 4 and an adjusting roller group 5, and the fixed idler wheel group 4 is fixed after installation; the adjusting roller group 5 is provided with an eccentric shaft 7, the operation gap or pretightening force of idler wheels can be adjusted, and a hold-down nut 8 in an upper part counterbore B3 is locked after adjustment; and the structure of the sliding block part is simple, the sliding block base body 3 is made of an aluminium alloy material, only the roller groups 4 and 5 are made of steel material, the weight of the whole sliding block part is light, and a slide guide base body 2 has larger sectional area and good lateral stiffness. The aluminium base built-in raceway roller guide pair provided by the invention has the characteristics of light weight, small inertia, low cost, rapid speed, low noise, operation stability and the like, and is suitable for a high speed straight-line motion device in various complex environments.

An impact device includes a frame to which a tool is connectible, and a stress element that is supported on the frame and disposed between the frame and the tool. A hydraulic control system leads pressurized hydraulic fluid into and out of a hydraulic fluid space such that the stress element causes a stress pulse in the tool. The hydraulic control system includes a rotatingly installed control valve that has control openings for intermittently leading the hydraulic fluid out from the hydraulic fluid space.

The invention relates to a multifunctional crane excavator which has both the hoisting function and the excavating function. By using a chassis of a crawler excavator as an excavator body, the multifunctional crane excavator is provided with a main arm, an auxiliary arm, a balance arm, a supporting seat, a derricking hydraulic cylinder, a main hydraulic winch, an auxiliary hydraulic winch and a balance weight. A gravitational moment which is generated when the multifunctional crane excavator carries out lifting and excavating operations is balanced by a gravitational moment of the balance arm at the other end of the supporting seat; the gravitational moment which is generated during lifting and excavation does not act on the body of the multifunctional crane excavator fully, the roll-over action on the multifunctional crane excavator is very small, therefore, the safety under the condition of the same lifting and excavating capability is improved. Accordingly, the invention is quite suitable for application in special lifting sites and special excavating operations.

The invention discloses a movable work table comprising a machine seat, a linear guide pair, a work table, a linear rack, a driving mechanism and a first travel switch. The machine seat comprises two guide grooves which are arranged on two sides of the machine seat in the fore-and-aft direction and a rack groove which is arranged in the middle of the machine seat in the fore-and-aft direction. Two linear guide pairs are provided and each linear guide pair comprises a guide and all the sliding blocks contacting with the guide in a rolling manner. The work table comprises a driving table and a positioning table which are connected, and a first baffle block. The driving mechanism comprises a motor, a reducer and a gear box. The linear rack is arranged in the rack groove, and the output gear of the gear box is meshed with the linear rack. The movable work table arranges a positioning pin on the positioning table, and can precisely position a palletized fixture onto the positioning table by matching with a positioning hole at the bottom of the palletized fixture so that a three dimensional measuring device can be adopted to precisely measure the workpiece clamped by the palletized fixture.

The invention relates to a carbon fiber bilayer plastic wrapped steel rope specially used for an elevator and belongs to the technical field of elevators. The carbon fiber bilayer plastic wrapped steel rope specially used for the elevator is provided with a carbon fiber rope core, wherein a synthetic plastic inner protective layer is wrapped outside the carbon fiber rope core; a suction disc which is densely covered by ranks of micro ridges and slots is wrapped outside the inner protective layer; a braided steel wire rope is arranged outside the suction disc, and a synthetic plastic shell is extruded and wrapped outside the steel wire rope. The carbon fiber bilayer plastic wrapped steel rope disclosed by the invention has a scientific and reasonable structure; an intermediate sizing rope core adopts a carbon fiber plastic wrapped rope; a plastic wrapped surface imitates the mode of the suction disc of a wall gecko, and the suction disc which is densely covered by ranks of micro ridges and slots is arranged, so as to enhance the binding ability of the carbon fiber bilayer plastic wrapped steel rope with other materials; the shell is wrapped by the synthetic plastic; and the tensile strength of the carbon fiber resin composite material is 3500MPa or above and is 7-9 times that of a steel wire while the weight of the carbon fiber resin composite material is one fourth of the weight of the steel wire of the same class, thus the carbon fiber bilayer plastic wrapped steel rope disclosed by the invention has a prospect in application of the elevator and is a replacement product of an elevator hoisting rope.

An advertising system and an advertising sign are provided in which the address on the advertising sign can be actively used, the advertising sign can directly serve as a buying and selling device, there is no interference in the advertising sign between the data transmitted simultaneously from a plurality of wireless devices, and the transmission direction of the electromagnetic waves or sound waves transmitted to the advertising sign is clear. The wireless device transmits a terminal address that indicates the address of the terminal to the sign apparatus, the sign apparatus receives the terminal address transmitted from the wireless device and transmits the received terminal address to the advertising server via a public network or the Internet, and the advertising server receives the terminal address transmitted from the sign apparatus and transmits the advertising data to the terminal having the address indicated by the received terminal address.

The invention discloses a sampling device of a deep-space asteroid sample collection detector; the structure is characterized in that the device comprises an ejection port, a housing, an ejection ball storage tube, a driving motor, an air valve housing, a piston, a cam, a trigger, a trigger return spring, a pedestal extension bar, a pedestal piston connector, a pedestal, a valve body, a valve core control spring, a valve core, a stopping block, ejection balls, an arch bar, a piston O-shaped sealing ring, and the like. The invention is characterized in that: the driving part controls the starting of the piston; the piston controls the on and off of compressed air by pushing the valve core of the air valve; the ejection balls are ejected out of the pipeline orifice with certain kinetic energy by pushing of the high-pressure air; and the sampling purpose is reached by soil sputtering caused by bumping with the asteroid surface. The invention is a surface trace sample collection device which is small in mass, simple and reliable in structure, and convenient for automatic operation, and overcomes the influence of 'zero-gravity' environment by a diffusion principle.

A combustion type power tool having an arrangement avoiding direct striking of a drive shaft against a cylinder head when combustion pressure is exerted. A motor is disposed at the cylinder head and includes a motor body and a drive shaft extending in an axial direction and protruding into a combustion chamber. A fan is connected to the drive shaft to be rotatable within the combustion chamber. A buffer piece made from an elastic material is supported to the cylinder head. The buffer piece is movable relative to the cylinder head in a direction substantially perpendicular to the axial direction. The buffer piece is formed with a through-hole through which the drive shaft extends.

The invention discloses a method for automatically adjusting belt conveyor speed. The method comprises the steps of S1, collection, S2, material weight determination, and S3, belt conveyor speed adjustment. In S1, the real-time operation speed of the belt conveyor and the material information of the belt conveyor are collected by cameras located at two sides of the belt conveyor, wherein the material information comprises the material height information and material width information. In S2, the material size is calculated based on the material information, and the material weight information is obtained based on the material size and a preset material density. In S3, a target operation speed of the belt conveyor is calculated based on the material weight information, and the operation speed of the belt conveyor is calculated based on the target operation speed and the real-time operation speed. According to the method and device for automatically adjusting the belt conveyor speed, the goal of saving energy and reducing emission is achieved through the real-time adjustment of the operation speed of the belt conveyor and reduction of the drive power of the belt conveyor.

The invention provides a switching power supply, and provides a buck-boost converter of an H bridge type having a function for initially charging a smoothing output capacitor without a relay and a rush current preventing resistance. In the prior art, the resistance and the relay for preventing current shock is not removed required by the switching power supply. In addition, in AC1000V, since buck-boos of the PFC converter is high, efficiency is low and fever is large, thereby blocking minitype thinning of the power supply. The PFC converter is changed into a current critical H bridge type, realizing initial charging function of the smoothing capacitor of the circuit.

The invention discloses a working platform for a composite closed type hydrostatic guide rail. An axial supporting device comprises an axial upper thrust plate fixedly connected with a turntable; the lower part of the axial upper thrust plate is provided with an axial hydrostatic support fixedly connected with a lathe bed; the lower part of the axial hydrostatic support is provided with an axial lower thrust plate fixedly connected with the axial upper thrust plate; the lower part of the axial upper thrust plate is provided with a guide rail soft belt layer which is connected with the axial hydrostatic support; and oil cavities are arranged between the soft belt layer and the axial hydrostatic support, and between the axial hydrostatic support and the axial lower thrust plate respectively. A radial supporting device comprises a radial bearing liner fixedly connected with the turntable; the outside of the radial bearing liner is connected with a radial hydrostatic support; and an oil cavity is arranged between the radial bearing liner and the radial hydrostatic support. A driving device is a motor, and the oil cavity is communicated with an oil supply system through a restrictor. The working platform is suitable to serve as a rotary working platform for a digital control machine tool with complex functions.

The invention discloses a mixing-uniformity detecting device for water-containing materials. The mixing-uniformity detecting device comprises a working-position shifting and discharging system and a microwave fast-drying system, wherein the microwave fast-drying system is arranged above the working-position shifting and discharging system and consists of a microwave generator box body and a microwave drying box which are partitioned by a partitioning plate; microwave transmission holes are arranged on the partitioning plate, and the microwave fast-drying system is communicated with the working-position shifting and discharging system at the lower part by a microwave stopping pipe as a sample lifting channel, wherein the working-position shifting and discharging system is provided with three working positions, namely a feeding position, a microwave drying position and a discharging position, a rotating mechanism of the working-position shifting and discharging system rotates or revolves in operation, so that a sample container rotates from one working position to another working position; and a feeding hopper is arranged at the top part of the working-position shifting and discharging system and is positioned above the feeding position; the inclined angle of the three working positions is 120 degrees.