1090results about How to "Won't slip" patented technology

The present invention is the production process of environment protecting water and air permeable brick in roller kiln. The brick is produced with waste and has excellent noise absorbing performance, excellent water and air permeability, high safety and technological performance.

The invention discloses a physical similar simulation test device and a physical similar simulation test method for tilted stratums. The physical similar simulation test device comprises an external framework, a tiltable rack, a front baffle, a rear baffle, a hydraulic supporting device and a hanging hoisting device, a similar simulation test is performed on stratums with different tilt angles by adopting the device and the method, physical mechanical performances of stress distribution, displacement change and the like inside the stratums under the action of external disturbance, ground stress, external force application and the like can be measured to obtain related technical indexes and parameters so as to research the rule of the true stratums in the process, and the effective struts can be facilitated during the construction of the stratums, thus providing a guarantee for the safety construction of the stratums.

The invention provides an electrical park brake (EPB) system and a park control method. The EPB system integrates a temporary brake function in the driving process with a long-term brake function after park, an EPB technology integrated with front and rear brake calipers is adopted, the system has a manual park brake function and an automatic park brake function simultaneously, the manual park brake function comprises the conventional basic park control function and emergency park brake function, and the automatic park brake function comprises a ramp departure control function, an automatic park control function and a slip reclamp control function, so that park, brake, start, departure and the like are performed under the direct instruction and automatic control of the EPB system through the functions, park brake is more safely and reliably performed, and the system is more simply, conveniently and intelligently operated.

The invention provides a method for producing fine chinlon 6 fully drawn yarn with high strength which includes steps as follows: (1) chinlon 6 slice enters into a screw extruder with electrical heating function through a storage hopper that makes slice showing melt shape; (2) the melt material is pressed in a spinning subassembly through a metering pump quantificationally, and is spout by a spout plate for forming filament bundle in a spining box body; (3) the filament bundle is cooled by side wind through the spinning box body and is cooled further through a corridor; (4) the cooled filament bundle is oiled by an oil roll; (5) oil in the filament bundle is more uniform and has high amplexus degree through confounding; (6) the filament bundle passes through a first group filament guide roll and a second group filament guide roll for drafting forming, then passes through a third filament guide roll to reel. A grade product produced by the method has average more than or equal to 6.0cN / dtex rupture strength that is higher 22% than the product produced by normal method, and has better transparent sense and visual effect, the produced clothes has better flexible sense and handle sense for wearing cosily.

The invention relates to a weeding robot with the adjustable center of gravity for paddy fields. The weeding robot comprises a hub driving type caterpillar track device, a caterpillar track lifting device, an extension movement device and a slider balance device. The hub driving type caterpillar track device is used for driving a hub through a hub motor, thereby driving caterpillar tracks to run, enabling the robot to walk between rice seedling lines, pressing weeds into mud and even cutting off or pulling out weeds; the caterpillar track lifting device and the extension movement device are used for realizing the lifting and extension of the caterpillar track device so that line changing walking and field ridge crossing walking can be carried out; the slider balance device is matched with the caterpillar track lifting device and the extension movement device and is used for adjusting the center of gravity of the robot and realizing the self balance of the whole body of the robot in the line changing process and the field ridge crossing process and the self-restoring function after the robot sinks into a pit in a paddy field environment with pits; and the weeding robot has the advantages of simple structure, small volume, light weight, convenience in carrying and high universality.

The invention belongs to the technical field of robots and particularly relates to a novel universal rolling magnet-wheel device for a magnetic adsorption climbing robot. The novel universal rolling magnet-wheel device comprises an annular permanent magnet, all-dimensional wheels are arranged on two sides of the annular permanent magnet, and each all-dimensional wheel comprises a first hub, rollers, a sleeve, a roller shaft and a second hub which are sequentially arranged. The structure of the all-dimensional wheels is that the rollers capable of rotating around self axles are arranged on the peripheries of the hubs, the rollers are evenly distributed on the peripheries of the hubs, the axles of the rollers are orthogonal to axles of the hubs, and the all-dimensional wheels on the two sides are arranged in stagger to enable axial projection of the rollers of the all-dimensional wheel on one side to be located in the middle of the two rollers of the all-dimensional wheel on the other side. The novel universal rolling magnet-wheel device has the advantages that when wheels have axial movement trends along the wheels, the rollers of the all-dimensional wheels on the two sides are contacted with the ground and rotate around the self axles to enable the wheel to keep in a pure rolling state and improve flexibility of movement of the wheels.

The invention discloses a reeling machine which comprises a rack assembly, an unreeling mechanism, a reeling mechanism, a feeding mechanism, a rubberizing device and a tension control mechanism, wherein the tension control mechanism comprises a pole piece deviation correcting device and a driving device which are arranged between the unreeling mechanism and the reeling mechanism; a reeling needle of the reeling mechanism performs a cam motion; the driving device is used for driving a pole piece to be synchronous with the traction of the reeling needle performing the cam motion to the pole piece and simultaneously preventing the unreeling of the pole piece and an deviation correcting operation from influencing the tension of the pole piece. According to the reeling machine, the stable tension control is effectively realized.

The invention relates to the technical field of edible oil production and discloses a method for producing an edible camellia oleosa seed oil and the edible camellia oleosa seed oil. The method for producing the edible camellia oleosa seed oil provided by the invention comprises the steps of fruit selection, camellia oleosa seed drying, unshelling, low-temperature cold pressing, filtering, and degreasing and dewaxing, and abandons the complicated refining processes including degumming, deacidification, decoloration, deodorization and the like. The key process of the method for producing the edible camellia oleosa seed oil is optimized and improved creatively so that the integrated production process of the edible camellia oleosa seed oil which is obviously different from the prior art is obtained; the process is greatly simplified and the losses of the nutritional ingredients in the camellia oleosa seed oil and the finished product oil are also avoided; as a result, the nutritional and functional ingredients such as flavonoids, polyphenols, sterol and carotenoid in the camellia oleosa seed oil are guaranteed to an utmost extent; and the first-grade edible camellia oleosa seed oil is obtained simply and feasibly.

The invention discloses a pallet with an improved structure, and belongs to the technical field of stacking and packaging materials. The pallet comprises a pallet body consisting of a first pallet disc and a second pallet disc. Pallet support legs are formed at the two sides and the middle position of the second pallet disc. The pallet is characterized in that a group of lower bearing longitudinal cavities and reinforcing cavities are formed in the second pallet disc; a group of upper bearing longitudinal cavities and reinforcing cavities are formed in the first pallet disc; the tops of the lower bearing longitudinal cavities are integrally combined with the bottoms of the upper bearing longitudinal cavities; lower bearing transverse cavities and reinforcing cavities are formed in the second pallet disc; upper bearing transverse cavities and reinforcing cavities are formed in the first pallet disc; the tops of the lower bearing transverse cavities are integrally combined with the bottoms of the upper bearing transverse cavities; the tops of the lower bearing transverse reinforcing cavities are integrally combined with the bottoms of the upper bearing transverse reinforcing cavities; the cross sections of a pair of shovel arm cavities are n-shaped. According to the pallet, goods can be prevented from sliding off from the pallet body; the pallet body can be prevented from being deformed; lasting using effects are ensured; an ideal load bearing effect is achieved; the service life is ensured.

The invention discloses a driving roller. The driving roller comprises an outer cylinder and an inner cylinder arranged inside the outer cylinder, a motor is fixedly arranged inside the inner cylinder, the output shaft of the motor sleeves with a first rotating piece, and the outer peripheral surface of the first rotating piece is fixedly connected with the inner wall of the outer cylinder in a sealing mode; and the other end of the inner cylinder is provided with a second connecting piece, and the inner cylinder and the outer cylinder are rotationally connected together through the second connecting piece, wherein the second connecting piece is hermetically connected with the inner cylinder and the outer cylinder correspondingly. The driving roller has the beneficial effects that the motor is fixedly arranged inside the inner cylinder in a sealing mode, so that the waterproof performance is good; the inner cylinder and the outer cylinder are enabled to be connected rotationally through the first connecting piece and the second connecting piece, the outer cylinder is sleeved with the shell with spiral blades, when the roller of the robot is in contact with the inner wall or the sludge of the pipeline, friction is carried out by rotating of a spiral roller to the inner wall of the pipeline or the sludge to drive the pipeline robot to move forward, so that the contact area is large, and slipping is avoided; and when the roller of the robot is suspended in water, the spiral roller is equivalent to a propeller, the spiral roller rotates to be drained away water backwards and drives the pipeline robot to move forwards.

The invention discloses a friction roller suitable for a conical bobbin. The friction roller suitable for the conical bobbin comprises a friction roller body (1), a rubber sheet (2) and a jackscrew (3). The friction roller suitable for the conical bobbin is characterized in that the friction roller body is a cylinder with the side face protruded and is provided with a rubber sheet shallow groove (6) which surrounds the friction roller body (1) for a circle and is arranged in the side deviating the centerline of the side face of the friction roller, the rubber sheet (2) is in a ring shape with a certain width, and the rubber (2) is arranged on the side face of the friction roller body (1) along the periphery in a sleeved mode. According to the friction roller suitable for the conical bobbin, an irregular cylindrical friction roller is changed to the friction roller with the protruded side face, the conical bobbin can not be distorted or twisted in the process of winding, a maximum outside diameter part is moved to the rubber sheet (2), and crimp is guaranteed and slipping can not happen when the rubber sheet and the conical bobbin (7) is in complete contact. The friction roller suitable for the conical bobbin has the advantages of being simple in structure, stable in working and the like.

There is provided a block for building a toy, including a body, a case provided in the body, a holder with a sliding-prevention part, provided movably and rotatably within the case, and a magnet with south and north pole faces, installed in the holder. The blocks, each with this construction, can connect to each other to build a toy, without sliding off relative to each other.

The invention relates to a central-positioned type switch chassis overhaul device, which comprises a lifting device, a moving device, a lifting platform, a rotating work platform, shovel teeth and pin shafts, wherein the moving device is provided with the lifting device and the lifting platform, the rotating work platform is arranged on the lifting platform, and the shovel teeth are arranged on the lifting device. Since the lifting device is a hydraulic lifting mechanism in a form of a electric-power-driven structure, central-positioned type switches can be more easily and stably elevated; due to the arrangement of the lifting platform, the switches can be adjusted to the most suitable overhaul heights according to the height of an overhaul worker; due to the arrangement of the rotating work platform, circumferential overhaul of the switches can be realized when the overhaul worker stands on one position; since a guide groove and a tilting preventing device are arranged, the switches can be conveniently and accurately positioned on a work platform surface after being pulled out and cannot slip down; and because the central-positioned type switch chassis overhaul device is reasonable in structure and convenient to use and operate, the central-positioned type switch chassis overhaul device has great practical and popularization value.

The invention discloses a sub-pixel microlens liquid lens array structure, wherein microlens subgraphs are arranged once again by taking red, green and blue sub-pixels as viewpoints, and a lens is prepared via arranging the sub-pixels once again; the individual lens in the microlens array structure is rectangular, and rows can be staggered. The physical structure of each lens comprises a bottom substrate, a cavity structure is built on the substrate, and a solidified liquid is in the cavity structure. The upper surface of the side wall of each cavity structure comprises a drainage zone; the drainage zone has physical property repelling the liquid to ensure the liquid in the cavities not to slide onto the side walls. The invention further provides a manufacturing process of the sub-pixel microlens liquid lens array structure, and the structure is easy to implement, is low in manufacturing cost, and has very strong practicability.

The invention discloses a self-moving type marking machine for road marked lines, comprising a power system, a moving system, a spattering system and a feeding system, wherein the power system comprises a fuel engine; the self-moving type marking machine for road marked lines is also provided with a control system and a mixing system; the mixing system consists of a hopper, a stirring shaft, a hydraulic motor II and an electromagnetic valve; the feeding system consists of a main component feeding system and a curing agent feeding system; the spattering system consists of a hydraulic motor I and a centrifugal stick connected with the hydraulic motor I. By utilizing the self-moving type marking machine for road marked lines, a road marked line with convex points on the surface can be made, which has very strong draining capability; the road marked line with convex points can also increase friction force, so as to ensure that vehicles cannot slip on the road marked line in rainy weather; as the mixture of paint is carried out on site in spraying process, resources are saved to the utmost extent, and the utilization ratio of paint is raised.

It is the producing method of multi-hole Al2O3 form board and the related device. It is about a kind of hard form board. The invention has simplified prior period's treatment, easy operation during the experiment, easily-got device and solvent, short time of producing and small amount of drug. The device has electrolyzing cell, capping, the positive pole and its leading-out wire, the negative pole and its leading-out wire and the magnetic stirring apparatus. The cell wall's structure is hollow with double layer, and on the wall set the water-entry hole and water-exiting hole, which are linked with the hollow internal cavity. The capping is set atop the electrolyzing cell, and meanwhile the positive pole and the negative one are set in the electrolyte. The positive pole is Al flake, and the negative one is Pt flake. Firstly, the Al foil should be burnished, the burnishing casket heated by water. After burnished, the Al foil is put into the electrolyzing cell, which is set in the temperature below the room-temperature. After oxidized, the Al foil is immersed in the saturated HgCl2 solution. Then wash off the Al2O3 thin coat which has leaved the Al base. At last, immerse it in the H3PO4 until the interlock is formed.

The invention belongs to the technical field of display devices, and in particular relates to a display device convenient for dust removal used for computer hardware development. Aiming at the problems that the structure is excessively simple, the degree of freedom is insufficient, meanwhile, the display angle can not be adjusted, a dust removal device is not available, moreover, a temperature adjusting device is not available, and the burglary prevention coefficient is low, the following technical scheme is adopted: the display device comprises a base, wherein a hydraulic cylinder and a universal wheel are fixed to each of four corners of the bottom of the base through bolts, a support block is welded to one end of an extension rod of each of the four hydraulic cylinders, an anti-vibration cushion is welded to the outer wall of the top of each of the four universal wheels, a display box is fixed to the outer wall of the top of the base through bolts, a first mounting groove is formedin the outer wall of the bottom of the display box, and a semiconductor chilling plate is fixed to the inner wall of the first mounting groove through bolts. For the display device provided by the invention, the degree of freedom of the device is improved, the display angle of the device is widened, so that the display from each angle of the computer hardware is facilitated, the burglary prevention of the computer hardware is promoted, and thus the practicability of the device is improved.

The invention discloses a vehicle-mounted mobile terminal wireless charging system and a using method thereof. The vehicle-mounted mobile terminal wireless charging system comprises a vehicle-mounted wireless charging emission device and a wireless receiving device of a mobile terminal, wherein the vehicle-mounted wireless charging emission device comprises a power management circuit, a communication and control circuit, a high frequency oscillation circuit, a power amplifier, a wireless transmitting coil, a coil current sampling circuit and a wireless receiving circuit; the wireless receiving device of the mobile terminal comprises a wireless transceiving circuit, a rectification filter circuit and a communication control circuit. It can be confirmed that the mobile terminal can emit charging energy after charging in a wireless communication mode, and safety and energy conservation are guaranteed. The vehicle-mounted mobile terminal wireless charging system can be directly used in a vehicle.

The invention discloses a three-jaw automatic book taking device for a library. The three-jaw automatic book taking device comprises an AGV, a carrying table, a searching machine, a movable rotary Z-axis slide rail, a movable rotary X-axis slide rail, a three-jaw book taking mechanism and a controller, wherein the carrying table and the searching machine are both arranged at one side of the top ofthe vehicle base of the AGV, the movable rotary Z-axis slide rail is arranged at the other side of the top of the vehicle base, the movable rotary X-axis slide rail is horizontally arranged at one side of the lower part of the movable rotary Z-axis slide rail, and the three-jaw book taking mechanism is installed at the outer end of the movable rotary X-axis slide rail; and the output end of the controller is connected with the input end of the controller, and the output end of the controller is connected with a vehicle drive motor of the AGV through a first driver, and the controller is arranged at the top of the vehicle base and controls the action of the movable rotary Z-axis slide rail, the movable rotary X-axis slide rail and the three-jaw book taking mechanism. The three-jaw automatic book taking device disclosed by the invention realizes the functions of automatically identifying books and taking books in the library, reduces the labor intensity of librarians, and increases theworking efficiency.

The invention discloses a steel-mesh separation wall and relates to a wall body for a building, in particular to integral seismic resistant wall bodies inside and outside the building. The steel-mesh separation wall comprises construction columns and one or more mesh pieces; the mesh pieces are connected to form a whole by using the construction columns; steel mesh surfaces and frameworks form the mesh pieces; foam concrete is arranged in the mesh pieces; the steel mesh surfaces are positioned on the outer surfaces of the frameworks; stressed surface ribs, stressed ribs and support frames form the frameworks; the support frames are of a continuous W shape; the top ends of the W shape are inwards concaved; the mutually-parallel stressed ribs are respectively positioned in the inner concaves of the continuous W shape and are fixedly connected with the support frames; the stressed surface ribs are mutually perpendicular to the stressed ribs; one side of each stressed surface rib is fixedly connected with the corresponding steel mesh surface; and the other side of each stressed surface rib is fixedly connected with the corresponding stressed rib. The stell-mesh separation wall disclosed by the invention has the advantages of convenience for mounting, simpleness for construction and strong seismic resistant capability.

The invention belongs to the technical field of heat treatment for steel tubes, particularly, relates to an intermediate frequency induction heat treatment device for steel tubes, and a heat treatment method of the same. In the intermediate frequency induction heat treatment device, at least 7 pairs of bearing pedestals are mounted on a long steel bracket, one shaft lever is fixed on each pair ofbearing pedestals, one end of each shaft lever is provided with a bipyramidal carrier roller, and a preheating furnace, a cooling box, a heating furnace, the cooling box, a tempering furnace and the cooling box are orderly arranged between each two bipyramidal carrier rollers; the other end of each shaft lever is provided with a gear, and the gear is connected with the gear at the output end of areduction box through a leading chain, and drives other gears through the leading chain; the reduction box is connected with a motor via a coupling; a quenching transformer is connected with the preheating furnace, the heating surface and the tempering furnace, and a master control device is connected with the motor. The intermediate frequency induction online heat treatment device provided by the invention takes the intermediate frequency induction power as the heat source for heating and takes the electric energy as the heating energy, has high heating speed, and is simple and convenient tooperate and easy to use.

The invention discloses a water body bottom mud sampler. A sealing head is arranged at the upper end of a sampler bracket; a sampling pipe which is placed vertically is arranged at the lower end of the sealing head; a one-way valve is arranged at the upper end of the sealing head; the one-way valve is communicated with the sampling pipe; a control switch is arranged at the position, corresponding to the lower part of the sampling pipe, of the sample bracket; the control switch is provided with a bottom plug; an elastic rope bracket is arranged on the sampler bracket which is above the control switch; the elastic rope bracket extends downwards to the lower end of the sampling pipe; positioning holes which are located at the two sides of the sampling pipe are formed in the terminal end of the elastic rope bracket, respectively; elastic ropes which are located at the two sides of the sampling pipe are arranged on the elastic rope bracket respectively; the other end of each elastic rope penetrates the corresponding positioning hole to be fixed on the bottom plug; the lower end of the sampler bracket projects out from the terminal end of the sampling pipe for a section of distance. According to the water body bottom mud sampler, mud column in the sampling pipe is protected against falling, the sampling pipe is guaranteed to be above the water level, and the mud column still can persist in the sampling pipe completely at the presence of pressure unbalance.

The invention discloses an AGV driving mechanism which comprises a driving mechanism base and fixing plates arranged at the two ends of the driving mechanism base. Driving devices are arranged on the fixing plates. An adjusting mechanism is arranged in the position of each driving device. A driving shaft buffer device is arranged on the driving mechanism base. The AGV driving mechanism comprises the two independent driving devices, through a method of reducing the distance between two wheels, the differential speed of the two wheels with the long distance is divided into the differential speed of a plurality of sets of wheels with the small distance between every two wheels, and the vehicle steering speed problem and the miniaturization problem of the value R of the distance between every two wheels of a vehicle are fundamentally solved.

The invention discloses a displacement mechanical arm for glass processing. The arm comprises a base, a rotary table is arranged at the upper end of the base, and a control box is arranged at the upper end of the rotary table; a control panel is arranged on the surface of the control box, a supporting column is arranged at the upper end of the control box, and a first lifting cylinder is arrangedin the supporting column; a lifting rod is arranged at the upper end of the first lifting cylinder, a hydraulic cylinder is arranged at one side of the supporting column, and a horizontal arm is arranged at the upper end of the supporting column; a rotation shaft is arranged between the supporting column and the horizontal arm; a retractable arm is arranged at one end of the horizontal arm, a hanging arm is arranged at the lower end of the retractable arm, and an air pressure pump is arranged at the upper end in the hanging arm; a second lifting cylinder is arranged at the lower end of the airpressure pump, a suction cup is arranged at the lower end of the hanging arm, an air pressure adjustment disc is arranged in the suction cup, and air pressure adjustment holes are formed in the surface of the air pressure adjustment disc. The displacement mechanical arm for glass processing is simple in structure, easy and convenient to operate, good in overall flexibility, large in movement range and high in applicability and grabs weights fully firmly, the weights cannot slide down, and the safety is high.

The invention discloses a pipe robot. The pipe robot comprises a bracket, at least two driving devices rotationally arranged on the bracket, and a controller fixedly arranged on the bracket; each driving device is divided into three sections in the length direction, and comprises a driving drum and driving rollers arranged at the two ends of the driving drum; the driving rollers arranged at one ends of the driving drums are Mecanum wheels, and the driving rollers arranged at the other ends of the driving drums are Mecanum wheels or wheels; the driving drums comprise inner cylinders, outer cylinders rotationally sleeving the inner cylinders, and shells fixedly arranged at the externals of the outer cylinders; spiral blades are fixedly arranged on the outer peripheral surfaces of the shellsin the length directions; motors are fixedly arranged in the inner cylinders; and at the lower ends of the driving devices, the lower edges of the spiral blades are higher than the edges of the Mecanum wheels and the wheels. The motors are fixedly sealed in the inner cylinders to achieve good waterproof performance; the inner cylinders and the outer cylinders are rotationally connected through first connecting pieces and second connecting pieces; and the shells with the spiral blades sleeve the outer cylinders.

A wind power generator 10 comprising a frame 11, an impeller 12 supported rotatably by the frame, power generators 34 driven to rotate by the impeller, and a controller 40 for selecting some ones from among transmission wires 36, 37 led from the power generators 34 by connect / disconnect them. The impeller 12 is supported by a vertically extending shaft 22, to which a main gear 31 is connected. The frame 11 has rotatable sub gears 32meshed with the main gear 31, and the shafts 34 of the sub gears 32 are connected to the power generators 34. The controller 40 has a rotation sensor 41 for sensing the wind velocity or the rotational speed of the impeller, and disconnects the transmission wires 36,37 when the rotational speed decreases, thereby reducing the number of power generators 34 being operating.

The invention discloses a waterproof and dustproof sealing structure for an illuminating lamp. The waterproof and dustproof sealing structure comprises a lamp tube (1), wherein end covers (2) are mounted at two ends of the lamp tube (1); seal rings (3) are arranged between the end covers (2) and the lamp tube (1); U-shaped grooves are formed on the seal rings (3) and sleeved at the end parts of the lamp tube (1) and wrap the inner wall and the outer wall of the lamp tube (1); anti-slip and sealing ring-shaped bulges (31) are formed on the inner surface and the outer surface of the sides of the seal rings (3) positioned on the outer wall of the lamp tube (1); grooves are formed in the end covers (2); the grooves on the end covers (2) wrap the seal rings (3); the ring-shaped bulges (31) on the seal rings (3) are clung to the inner wall of the end covers (2); and the seal rings (3) are made of silica gel.

The invention relates to a stepwise gun-wiping robot and a use method, belongs to mechanical engineering and military science technical field, and is characterized in that the invention is a robot, of which driving force is provided by a stepper motor, a screw and an internal threaded sleeve move forward or backward in pace, an impacted arm and a road wheel train support realize walking in a gun tube, and the advance of the robot and the control of the gun-wiping action without skidding are realized by a programmable logic controller (PLC). The invention provides a technical proposal of a stepwise gun-wiping robot by which residual copper stains and nylon stains left on the inner face of a canal of various artilleries after being fired can be cleared and maintained, and the weapon life and the fire accuracy can be prolonged and improved.

The invention discloses a soil sampler for biological soil enzyme activity determination. The soil sampler comprises a handheld rod and a limiting frame; the lower end of the handheld rod is fixedly connected with the limiting frame; a movable sleeve is fixedly connected to the middle of the limiting frame; the lower end of the handheld rod is symmetrically connected with one ends of two telescopic rods; when a motor rotates, a rotating shaft can be driven to rotate, so that a sampling cylinder is driven to move downwards; the sampling cylinder can move downwards better due to the existence ofa spiral blade, so that the sampling can be performed better, the manual sampling is facilitated, and the labor force is reduced; the lower end of the spiral blade and the lower end of the sampling cylinder adopt conical structures, and in the sampling process, the sampling cylinder can enter the soil more easily, so that the sampling efficiency is improved; after the sampling is finished, in theprocess that a scraping plate moves downwards, a soil sample is pushed downwards, so that the soil sample is pushed out; and meanwhile, the inner side wall of the sampling cylinder is scraped by thescraping plate so as to ensure that the next sampling can be very smooth.