158results about How to "Easy to pull up" patented technology

The invention provides a spiral flow-based silencing drainage pipeline convenient for cleaning, and relates to the technical field of drainage pipelines. The spiral flow-based silencing drainage pipeline convenient for cleaning comprises a water inlet pipe, wherein a spiral pipe is fixedly arranged at the bottom end of the water inlet pipe, a drainage pipe is fixedly arranged at the bottom end ofthe spiral pipe, a fixed leakage plate is fixedly connected to the interior of the water inlet pipe, a rotary leakage plate is rotationally connected above the fixed leakage plate inside the water inlet pipe, and leakage holes are formed in the fixed leakage plate and the rotary leakage plate. According to the spiral flow-based silencing drainage pipeline convenient for cleaning, sewage keeps spiral flow in the drainage pipe so that the sewage can be attached to the wall of the drainage pipe, the impact of the sewage on the pipe wall at an elbow during vertical falling is avoided, the noise during drainage is greatly reduced, the living quality of residents is improved, dirt accumulated on the inner wall of the water inlet pipe can be scraped, and the drainage efficiency of the drainage pipeline is guaranteed.

The invention relates to the technical field of rice planting, particularly to a method for raising rice seedlings in dryland substrates. The method comprises the following steps: (1) selecting rice seeding beds and preparing seedbeds; (2) preparing substrates; (3) soaking seeds for accelerating germination; (4) sowing and performing seedling management. According tothe technical scheme provided bythe invention, as the seedbeds are compact layers with the thickness of 4-5 cm, the roots of the rice cannot penetrate through the compact layers in the process of growth, and all the roots grow in the substrates, so that when seedlings are pulled, the rice seedlings are easily pulled up, and the problem that the roots of plenty of rice seedlings are damaged during seedling pullingbecause the roots are rooted in deep layers in the traditional method of raising rice seedlings is solved. The compact layers are in the density range of 1.3-1.4 g / cm-3g / cm, so that most of the roots of the rice seedlings are not easy to penetrate through the compact layers to root deep soil, but water, oxygen and nutrient elements can move freely, the normal growth of the rice seedlings is ensured, damage to the roots when the seedlings are pulled is extremely small, the seedlings are easy to survive after transplantation, and the effects of early germination andgrowth and high efficiency are achieved.

The invention discloses a seed soaking device for agricultural seedling culture, and belongs to the field of agriculture. The seed soaking device comprises a seed soaking box, a water inlet pipe is arranged on the side wall of the seed soaking box, a telescopic rod is arranged on the lower surface of a horizontal plate, the bottom end of the telescopic rod is connected with a fixed circular ring,a seed soaking mesh basket is detachably arranged on the fixed circular ring, an ultraviolet sterilizing lamp is mounted on the inner wall of the seed soaking box, an inclined guide plate is arrangedat the bottom end of the seed soaking box, a water discharging pipe is arranged at the lowest end of the inclined guide plate, a heater is mounted on the inclined guide plate, a pesticide adding pipeis arranged on the seed soaking box, one end of a spraying pipe is connected with the water inlet pipe, a plastic hose is arranged at the other end of the spraying pipe, and a spraying disk is arranged on the plastic hose. According to the seed soaking device, agricultural seeds are soaked underwater and cannot be floated on the water surface, proper water temperature and water flowing are ensuredin the seed soaking process, seed soaking efficiency and effect is improved, breeding and propagating of harmful bacteria on the seeds are avoided, eggs on the seeds are killed, safe seedling cultureof the seeds can be ensured, the germination rate of the seeds is increased, and growth of the seeds is facilitated.

The invention belongs to the field of agricultural tools, and discloses a cassava pulling tool. The cassava pulling tool comprises a first clamping arm and a second clamping arm, the end of the first clamping arm and the end of the second clamping arm are hinged, and two arc-shaped clamping portions are arranged on the inner side faces of the two clamping arms respectively. A first connecting rod and a second connecting rod are hinged to the first clamping arm and the second clamping arm respectively, and the other ends of the two connecting rods are hinged to each other. A first connecting portion is arranged at the hinged position of the first clamping arm and the second clamping arm, and a second connecting portion is arranged at the hinged portion of the first connecting rod and the second connecting rod. The cassava pulling tool can be used for easily pulling up and putting down tuberous roots of cassava, and is easy and convenient to operate, and labor is saved. The cassava pulling tool can be used in cooperation with clubs, and can be mounted on a large machine for use, labor intensity can be greatly lowered, and production efficiency can be greatly improved.

An upright lever-type self-locked clamping peanut plant pulling device comprises a walking support, a lever lifting mechanism and a self-locked clamping mechanism. The walking support surrounds the lever lifting mechanism and the self-locked clamping mechanism, and the self-locked clamping mechanism is arranged uprightly. The lever lifting mechanism is characterized by taking a supporting point fixed to a frame as a pivot point, taking a force applied to pedals from feet as power, and taking a force for lifting a lift bar as resistance, thereby forming a lever mechanism for realizing pulling of peanut plants. The self-locked clamping mechanism is characterized in that a screw is utilized to drive two first cross plates so that the included angle of the two cross plates is changed, and the peanut plant is clamped closely by self-locking effect of the screw, which is favorable for pulling of the whole peanut plant. The upright lever-type self-locked clamping peanut plant pulling device is simple and practical, reduces labor intensity of farmers, and meets requirement for most pulling operation of peanut plants.

The invention relates to the technical field of medical equipment and discloses a spiral micro-needle wrinkle removal device. The device comprises hollow spiral micro-needles, wherein the spiral micro-needles are of a spiral manner and are arranged on a needle seat; each spiral micro-needle has the injection dose of less than 0.0042ml and the injection depth being 0.3mm or larger. The invention further discloses a method for removing wrinkles by using the device. The device disclosed by the invention is high in safety of wrinkle removal process, simple to operate and low in cost.

The invention discloses an automatic thin film replacing machine for plastic bag production. The automatic thin film replacing machine comprises a frame, upper and lower unrolling devices and upper and lower storage devices are arranged on the frame, the upper and lower unrolling devices enable automatic erection of upper and lower thin film rolls at operating positions, and the upper and lower storage devices are used for storing upper and lower thin films released from the upper and lower unrolling devices. A fixing device is arranged between each unrolling device and the corresponding storage device and capable of fixedly clamping a thin film between the two devices to prevent the thin film from moving forwards. When each fixing device fixedly clamps the thin film, the corresponding storage device continuously conveys the thin film stored in the storage device to realize plastic bag production. A cutting device for cutting off the film is arranged between each fixing device and thecorresponding unrolling device, a welding device is arranged between each cutting device and the corresponding fixing device and used for hot-melting pressing and welding of thin films of two adjacentthin film rolls, and in a replacing process, the thin film stored in each storage device is continuously conveyed outwards to realize continuous uninterrupted production.

The invention discloses an intelligent manufacturing shop experiment platform for a mechanical manufacturing system. The platform comprises a base, two sliding cavities are formed in the base in a bilateral symmetry manner, two telescopic columns are symmetrically and vertically arranged on the upper end face of the base, the upper ends of the two telescopic columns are jointly connected with a bottom plate, and the upper end face of the bottom plate is provided with an annular ball groove. A controller controls a servo motor to be started so as to drive a worm gear to rotate, threaded columns rotate, threaded tubes are driven to move up and down, the height of the bottom plate is adjusted, a worker can conveniently do the experiment, the two telescopic columns on the bottom end face of the bottom plate stretch out and draw back along with lifting of the bottom plate, meanwhile, the phenomenon that in the rotating process of the threaded tubes, the bottom plate rotates is avoided, a stepping motor is fixedly connected with the inner ring of a fixed ring through connection of a rotating shaft, the platform can be driven to rotate, a test instrument in the platform can be subjected to multi-angle adjusting conveniently, and a worker experiment can be facilitated carried out.

Disclosed is an ejection type window breaking device which is high in starting speed, high in window breaking success rate, not easy to lose, small in occupied space and safe and stable. The ejection type window breaking device is characterized in that a ball handle is hinged to the upper end of a screw through threads; the screw is connected with the front end of a rotating arm through threads in a rotating mode; a nut sleeves the screw and is located between the rotating arm and the ball handle; a rivet is embedded at the lower end of the screw; a pointed end of the rivet abuts against the glass surface of an automobile window; the rear end of the rotating arm and a support are fixed through a pin; the pin penetrates the support, a torsional spring and the rotating arm; a safety pin penetrates the support and the rotating arm; an upper supporting leg of the torsional spring is clamped on the inner wall of the rotating arm; a lower supporting leg of the torsional spring is clamped in a groove formed in the support; the lower end of the support is fixed on a triangular base; a socket head cap screw is connected with the support and the triangular base through threads; the bottom of the socket head cap screw is in contact with the rotating arm; the triangular base is fixed on an automatic window frame through screws.

The invention relates to a waste telegraph pole removing machine, and relates to the technical field of power construction equipment. A U-type groove is adopted so that a waste telegraph pole can be removed by the waste telegraph pole removing machine conveniently; pin roll connection is adopted, and therefore all components are more flexible; as a traction frame is adopted, maneuverability of the waste telegraph pole removing machine can be greatly improved to facilitate transportation; a motor and a roller are adopted, and therefore more time and labor are saved when the telegraph pole can be lifted by the waste telegraph pole removing machine; as a tire support is adopted, tires of the waste telegraph pole removing machine can be installed and replaced more safely and reliably; as a control cabinet is adopted, the waste telegraph pole removing machine is more convenient to operate, safe and reliable; as springs are adopted, a pulling-up device can hold the telegraph pole more easily; as sawtooth-shaped protrusions are arranged in a holding ring A and a holding ring B, the telegraph pole can be pulled out more easily by the waste telegraph pole removing machine; as a steel wire sleeve is adopted, the telegraph pole can be lifted more easily by the waste telegraph pole removing machine.

The invention relates to a film pasting machine which comprises a film supply frame, a film pasting assembly and a carrying assembly. A film supply roller and a film pulling part are oppositely arranged on the film supply frame, a film is wound on the film supply roller, and a film cutting area is formed between the film pulling part and the film supply roller. The film pasting assembly comprises a driving part, a pressing block and two film cutting blades. The carrying assembly comprises a base, a moving frame and a plurality of holding blocks. The film pulling part comprises a telescopic base body, an adsorption portion and two clamping strips, wherein the telescopic base body is arranged on the film supply frame, the adsorption portion is arranged at one end of the telescopic base body, the two clamping strips are arranged on the two sides of the adsorption portion correspondingly, and the length direction of the two clamping strips is perpendicular to the telescopic direction of the telescopic base body. The film pasting machine can easily pull the film, and the film is not prone to being torn.

The invention belongs to the technical field of tags and particularly relates to a tag with a handle. The tag comprises a tag body and the handle, wherein the handle serves as one part of the tag body and can be separated from the tag body. The bonding strength of viscose on the back surface of the tag body is stronger than that of the viscose on the back surface of the handle. Compared with the prior art, the tag is provided with the handle, namely the handle is one part of the tag body, and therefore no additional handle is needed, materials can be saved, and the assembly processes can be reduced. Furthermore, cost is reduced, the assembly operation is ensured to be simple and accessible, and rework maintenance convenience is also ensured.

The invention discloses a new-energy automobile charging pile protection device which comprises a waterproof shell, a base, installation boards, sealing boards, protection boards and iron sheets. Thewaterproof shell is installed on the base. The sealing boards are installed on the installation boards. The iron sheets are installed at the tops of the protection boards. The device is scientific andreasonable in structure and safe and convenient to use, the base and the waterproof shell are arranged, the base is installed at the bottom of a charging pile, the waterproof shell is installed on the base, the whole device is installed conveniently, and the problem that the physical power of a user is consumed excessively in the installation and detachment processes of an existing charging pileprotection device is solved; a flashing board and a diversion trench are arranged, so that charging plugs on the sides of the charging pile and a control panel on the front portion of the charging pile are prevented from being corroded by rainwater, and the phenomenon that an electric appliance is dampened and damaged is avoided; and the sealing boards and first windows are arranged, so that the charging plugs of the charging pile are conveniently taken out from the first windows, when the charging plugs are not used, the first windows are sealed through the sealing boards, and moisture corrosion of the inside of the waterproof shell is reduced.

The invention relates to the technical field of high-rise operation, in particular to a conveying device used for a high-rise building. The aim is to solve the problem that the height of a building elevator is limited, and as a result long materials are inconvenient to convey. The conveying device used for the high-rise building comprises two supporting frames, baffles are fixedly connected to thetops of the two supporting frames respectively, a bottom plate is fixedly connected to one end of one supporting frame and one end of the other supporting frame, a first installing block is fixedly connected to the middle of the top of each baffle, a first hanging ring is fixedly connected to the top of each first installing block, and an adjusting device is hung on each first hanging ring. One end of each supporting frame is fixed inside the building through an expansion bolt, the other end of each supporting frame, the baffles and the bottom plate are located on the outer side of the building, in this way, building materials which are inconvenient to convey through the building elevator can be put on the bottom plate through a tower crane, and construction of the high-rise building is convenient.

In order to solve the technical problem, the invention provides a fixed window breaking escape device which is high in starting speed, high in window breaking success rate, not easy to lose, small in floor area, safe and stable. The device is characterized in that a spherical handle is rotationally connected with the upper end of a screw rod via screw threads; the screw rod is rotationally connected with the front end of a rotating arm via screw threads, and sleeved with a nut; the nut is located between the rotating arm and the spherical handle; a rivet is embedded into the lower end of the screw rod; the tip of the rivet pushes against a window glass surface; the rear end of the rotating arm is fixed with a support via a pin; the pin penetrates through the support, a torsional spring and the rotating arm; a safety pin penetrates through the support and the rotating arm; an upper supporting leg of the torsional spring is clamped on an inner wall of the rotating arm; a lower supporting leg of the torsional spring is clamped in a groove in the support; the lower end of the support is fixed on a rectangular base; an inner hexagon screw is connected with the support and the rectangular base via screw threads; the bottom of the inner hexagon screw is contacted with the rotating arm; and the rectangular base is fixed on a window frame via screws.

The invention discloses a pull-up device for a spinning bobbin. The pull-up device comprises a support, a spiral pipe in threaded connection with the support and a spiral rod installed in the spiral pipe, wherein the spiral pipe is connected with the spiral rod through a bearing, one end of the spiral rod is provided with threads and stretches out of the spiral pipe by a certain distance, and a locking device is arranged at the other end of the spiral rod and used for locking the spiral rod and the spiral pipe together or separating the spiral rod from the spiral pipe. The spiral rod and the spiral pipe are locked together by the locking device, and the end of the descending spiral rod is screwed into a screw hole in the top of the bobbin; the spiral rod and the spiral pipe are separated from each other by the locking device, and the spiral pipe is screwed and ascends; under the action of the bearing, the spiral rod drives the spiral pipe to ascend. By means of the pull-up device, the bobbin can be conveniently pulled up, the labor intensity of operators is lowered, and the working efficiency is improved.

The invention discloses a hard disk frame fixing structure. The hard disk frame fixing structure comprises a case and a hard disk frame, the hard disk frame is mounted in the case; wherein the two connecting pieces and the handle are installed on the two sides of the hard disk frame. Rotating shafts are arranged on the two sides of the hard disk frame; sliding grooves are formed in the two side walls of the case, clamping hooks are installed on one sides of the sliding grooves in the side walls of the case, the clamping hooks are matched with rotating shafts on the hard disk frame, the inner side of the handle is matched with the hard disk frame, the outer side of the handle is matched with the sliding grooves in the inner wall of the case, and the server comprises the hard disk frame fixing structure. The step nails on the handle are matched with the sliding grooves in the side wall of the case, the straight nails on the handle are matched with the sliding ways on the connecting pieces, the hard disk frame is reset slowly, and the safety of the hard disk module is guaranteed.

The invention belongs to the field of automobile components and provides a hidden type outer door handle structure with a lock-up function. The hidden type outer door handle structure comprises a base and a handle. The middle portion of the handle is hinged to the base. The portions, on the two sides of the hinge position, of the handle are a press end and a pull end. A lock-up block is rotationally arranged on the side face of the press end. Rest springs are correspondingly arranged between the lock-up block and the side face of the handle and on the hinged position of the handle and the base. A stop piece is arranged at the end of the side face of the press end. In the initial state, one end of the lock-up block abuts against the stop piece under the action of the reset springs, and the side, away from the stop piece, of the lock-up block is provided with a gap; a sliding rod is arranged on the base, one end of the sliding rod abuts against the outer edge of the lock-up block, the other end of the sliding rod is slidably connected with the base, and a reset spring is arranged between the base and the sliding rod; and a protruding end for unlocking is arranged at the press end. According to the hidden type outer door handle structure with the lock-up function, a manual press opening and holding structure is designed, the handle can be kept in the non-reset state after being pressed, and a door can be opened conveniently.

The invention discloses a novel multifunctional combined cabinet. The novel multifunctional combined cabinet comprises a cabinet body and wheels arranged under the cabinet body. The cabinet body is a double-face cabinet body, is divided into an upper layer and a lower layer, and comprises a top plate, side plates, a bottom plate, a partition plate in the middle, upper cabinet doors and lower cabinet doors. The upper cabinet doors and the lower cabinet doors are arranged on the front face and the reverse face of the cabinet body. The upper cabinet doors on the front face and the reverse face of the cabinet body are movably connected with the top plate through supporting parts. The left sides of the lower cabinet doors on the front face and the reverse face of the cabinet body are movably connected with the left side plate through connectors. Invisible handles are arranged at the lower right corners of the upper cabinet doors. The novel multifunctional combined cabinet can serve as a cabinet or a desk, meets more requirements through different combinations, and is diverse in function and ingenious in design.

The invention discloses a portable food detection method, which comprises the following steps: S1, putting food to be detected into a mixing barrel on a rotating frame, and adding an extracting solution into the mixing barrel at the same time; s2, stirring the extracting solution and the food sample through a driving and mallet pounding mechanism, so that the food is fully dissolved in the extracting solution; and s3, discharging the stirred solution into a filter cartridge through a stalling discharging mechanism for storage. The portable food detection method is scientific and reasonable in structure and safe and convenient to use, the driving and mallet pounding mechanism is arranged, a driving motor and a guide wheel are matched to drive the mixing barrel to rotate, an extracting solution and food in the mixing barrel are rotationally stirred, the mixing effect is improved, the food is conveniently dissolved in the extracting solution, sampling is convenient, meanwhile, through the cooperation of a driving gear and a driven gear, in the rotating process of the mixing barrel, a screw rod is driven to rotate, a reciprocating plate ascends along the screw rod to be attached to a top plate, a travel switch is started, and a driving motor rotates reversely.

The invention provides an electromechanical self-locking clamping peanut pulling-up device. The device is characterized in that a walking support encircles a lifting mechanism and a self-locking clamping mechanism; the walking support is connected together with the lifting mechanism via bearings; the lifting mechanism is connected together with the self-locking clamping mechanism via bolts and a first motor; in the self-locking clamping mechanism, a first screw is utilized to drive two first scissors fork plates so that the included angle formed by the first scissors fork plates changes, and clamp blocks can clamp peanut pods and tightly clamp the peanut pods under the self-locking action of the screw at the same time to clamp the peanut pods; by utilizing connection action of a second screw and a thread on a first baffle, the lifting mechanism can carry out lifting motion on a predetermined track to pull up peanuts. The device can satisfy most peanut pulling-up operations and has the effect of reducing the labor intensity of farmers.

Disclosed is a glass bead broadcasting device used for a ruling machine. The glass bead broadcasting device includes a box body, side plates, a mounting bracket, a width adjusting mechanism and a flowadjusting mechanism. A broadcasting room is defined by the two side plates and the inner surface of the box body. A plurality of threaded holes are formed in a discharging plate in the left-right horizontal direction at intervals. A discharging long hole is formed between the bottom of the discharging plate and the upper surface of a horizontal structure. The width adjusting mechanism includes aplurality of baffles which are arranged on the front side of the discharging plate side by side in the left-right horizontal direction. Each baffle is provided with at least one elastic structure usedfor fixing or releasing the corresponding baffle. The flow adjusting mechanism is located on the front side of the discharging long hole and mounted on the rotating connecting parts of the side plates. The mounting bracket is fixedly connected to a bracket connecting part. According to the glass bead broadcasting device, the box body structure meets flow characteristics of glass beads, the box body is avoided from rusting, the broadcasting quantity of the glass beads can be adjusted through the flow adjusting mechanism, the construction demand of different width line marking is met simultaneously through the width adjusting mechanism, resources are saved, and operation is convenient.

The invention provides an exercise recovery device for orthopedics department, and relates to the technical field of rehabilitation instruments. The exercise recovery device comprises a bottom frame body mechanism, the bottom frame body mechanism comprises a bottom supporting plate, one end of the upper side face of the bottom supporting plate is fixedly connected with a rotating connecting frame, and the rotating connecting frame is rotationally connected with a transmission touch plate mechanism; a first guide pulley block is fixedly installed on the lower side face of the bottom frame body mechanism, and a second guide pulley block is fixedly installed at the position, corresponding to the upper side face of the bottom supporting plate, of the side, away from the first guide pulley block, of the rotating connecting frame. Meanwhile, push-pull training can be carried out on the arms of a patient, the practicability and the application range of the device in use are greatly improved. The device is novel in structure, small and exquisite and convenient to carry, the device can be used only by adsorbing and fixing one end of the device to the ground through a rubber fixing suction cup in use, carrying and mounting are convenient, and the use convenience of the device is greatly improved.

The invention discloses a lifter and relates to the field of carrying lifting mechanical equipment. The lifter comprises a rack, a lifting platform slidably connected to the rack, a transmission mechanism controlling the lifting platform to slide vertically and a lifting motor providing power for the transmission mechanism. At least two parallel rollers are arranged on the lifting platform. The rollers are used for supporting an object to be hoisted. The lifting platform comprises bases and suspension arms. The bases are slidably connected to the rack. The rollers are arranged on the suspension arms. A carrying frame is arranged on the suspension arms. The carrying frame is a rectangular frame. One end of the carrying frame is an opening end for loading and unloading the object. By using the lifter, when the object is transported to a target plane height, a worker can save more effort when taking down the object.

The invention discloses a lifting platform for building construction. The lifting platform comprises a lifting-platform support plate, universal wheels, first air cylinders and support plates, whereinthe universal wheels are fixedly arranged at the bottom of the lifting-platform support plate; the first air cylinders are arranged on one sides of the universal wheels; the support plates are fixedly arranged at the bottoms of the first air cylinders; the top of the lifting-platform support plate is fixedly connected with second air cylinders; the tops of the second air cylinders are fixedly connected with a lifting basket; and the top of the lifting basket is fixedly connected with a protective device. According to the lifting platform, the provided protective device comprises support rodsfixed at the top of the lifting basket, buffer plates and springs of the protective device help block and cushion a weight when the weight falls, and the impact force of the weight is converted into the deformation forces of the springs, thus effectively preventing the lifting platform from toppling and protecting workers from being injured; and sliding chutes and sliding blocks of a descending structure facilitate the raising and lowering of a first descending elevator, a second descending elevator and a third descending elevator, and in case of sudden power failure, the descending structurecan be lowered to provide convenience for workers to get down.

The invention discloses an unmanned aerial vehicle for detecting power cable faults. Rollers are arranged at the end parts of vehicle arms, so that the unmanned aerial vehicle can be limited between high-voltage cables through the rollers, the weight of the unmanned aerial vehicle is shared through the high-voltage cables, the rotating speed of blades of the unmanned aerial vehicle is reduced, andthe cruising ability of the unmanned aerial vehicle is effectively improved; the unmanned aerial vehicle ascends and descends through the blades and then is in rolling connection with a high-voltageline through the rolling wheels, and the inspection efficiency is effectively improved; meanwhile, a folding and unfolding device is arranged in the machine body to fold and unfold the multiple machine arms on the machine body, so that the folding and unfolding areas of the machine arms are adjusted to adapt to roller walking on high-voltage cables with different intervals; by adjusting folding and unfolding of the vehicle arms, when the unmanned aerial vehicle goes uphill and downhill from the high-voltage cable from high to low, the unfolding width of the vehicle arms can be controlled through the folding and unfolding device to increase the friction force between the rolling wheels and the high-voltage cable so as to reduce the downhill speed, and the problem of downhill diving of the unmanned aerial vehicle in the walking process is effectively solved.

The invention belongs to the technical field of agricultural production, particularly relates to a weeding device for agricultural production and an application method of the weeding device. Accordingto the problem that an existing weeding device is incomplete and insufficient in weeding, the following scheme is provided, wherein the weeding device comprises two clamping plates, the outer walls of one sides of the two clamping plates are connected with the same second supporting plate through bolts, the outer wall of the middle of the space between the two clamping plates is connected with the same rotating roller through bearings, electric guide rails are fixedly mounted on the outer walls of the top and the bottom of the rotating roller, and electric sliding blocks are slidably connected to the outer walls of the two electric guide rails. According to the weeding device for agricultural production and the application method of the weeding device, a supporting top plate is arranged,clamping blocks and cutting wheels are arranged at the bottom of the supporting top plate, in the soil turning and weeding process, turned soil and weeds can be cut through the cutting wheels, the situation that the device is blocked by the weeds and the soil, and consequently the device is difficult to move is avoided, and the use smoothness of the device is improved.

The invention discloses a pulling-up tool for a bobbin. The pulling-up tool comprises a support capable of covering the bobbin, a spiral pipe connected with the support in a threaded mode and a screw rod installed in the spiral pipe. A hole is formed in the bottom of the spiral pipe. The screw rod is provided with a limiting block, one end of the screw rod can extend out of the spiral pipe by a certain distance through the hole and is provided with a thread matched with a screw hole in the top of the bobbin, and the other end of the screw rod extends out of the spiral pipe by a certain distance. According to the pulling-up tool, one end of the screw rod is connected with the screw hole in the top of the bobbin in a threaded mode, the spiral pipe can drive the screw rod and the bobbin to lift through the limiting block, the bobbin of a textile machine can be pulled up conveniently, and therefore the labor intensity of operating personnel is lowered, and the work efficiency is improved.