137 results about "Plowshare" patented technology

The utility model discloses a turnover plow capable of adjusting the plowing width in a partitioned mode. The turnover plow comprises a plowshare assembly, a turnover block, a turnover block clamping plate, a supporting wheel assembly, a girder, a head ploughshare and a plurality of tail ploughshares. The middle part of the plowshare assembly is connected with an overturning block through a bearing; the overturning block is 7-shaped; the tail end of the overturning block is hinged to the front end of the girder; an adjusting screw rod is arranged between the overturning block and the girder; overturning block clamping plates are arranged on the upper surface and the lower surface of the overturning block; the overturning block clamping plate is connected with a head ploughshare through a head ploughshare adjusting plate; the plurality of tail ploughshares are sequentially arranged on the girder; the supporting wheel assembly is arranged in the middle of the girder; a plurality of groups of head ploughshare adjusting holes are formed in the overturning block clamping plate and are connected with adjusting plate positioning holes in the head ploughshare adjusting plate through pins. The distance between the head ploughshare and the tractor wheel can be rapidly adjusted through the pin, and the situation that the head ploughshare is not matched with the ploughing width of the tractor wheel is avoided so as to adapt to different tractor wheel tracks.

The invention belongs to the technical field of agricultural machinery, and particularly discloses a geological modifier spraying device for agricultural planting, comprising a support frame, a pesticide box, a water pump, a nozzle and a soil turning mechanism, the water pump is connected to the pesticide box, and the nozzle is connected to the water pump through a water pipe; the soil turning mechanism comprises a plowshare, and the spray head is fixedly connected right behind the plowshare and synchronously enters the position below the soil layer along with the plowshare; the nozzle comprises a nozzle body and an inner core which are sleeved with each other, the inner core is rotationally connected with the nozzle body, an elastic reset mechanism is arranged between the inner core and the nozzle body, a first spraying opening is formed in the end of the nozzle body, and a second spraying opening is formed in the end of the inner core; in an initial state, the first spraying opening and the second spraying opening are staggered; when the water pressure reaches a preset threshold value, the water pressure overcomes the elastic reset mechanism to force the inner core to rotate, and the second spraying opening and the first spraying opening coincide to enter a spraying state. The device has the advantages of avoiding long-distance transmission of the modifier in the air, reducing interference of environmental factors, improving the penetration efficiency of deep soil and preventing the spray head from being blocked.

This utility model relates to the technical field of windbreak and sand-fixing vehicles, and discloses a windbreak and sand-fixing vehicle, including a sand-fixing vehicle, a plow frame, and a plow head, and further includes: a mounting base, which is fixedly installed at the bottom of the plow frame, and a connecting shaft is rotatably installed on one side of the mounting base; in this embodiment of the utility model, by rotating the handwheel at the end of the connecting shaft, the mounting frame on the connecting shaft can be rotated in a circular motion, so that the three sets of plow heads arranged in a triangle at the end of the mounting frame can be rotated and adjusted in position. The plow head adjusted to the lowest position can be used for sand-fixing operations such as plowing the roots or filling ditches. By rotating the handwheels at the top of the two sets of fastening screws, the bottom end of the fastening screw can penetrate into the corresponding positioning through hole. The bottom end of the fastening screw has an anti-slip rubber sleeve to achieve an anti-slip fastening effect with the positioning through hole, thus securing the connected shaft after rotation and adjustment.

This utility model relates to the field of grinding technology, specifically to a hydraulic vertical pressure plate grinding mill. It includes a base and a housing mounted on the base. A lower grinding disc is rotatably supported within the housing, and an upper grinding disc is positioned above it. Grinding balls are placed between the lower and upper grinding discs. Annular grooves are provided on the contact surfaces of both the lower and upper grinding discs opposite the grinding balls. A pressure plate is positioned above the upper grinding disc. A hydraulic mechanism for applying pressure to the pressure plate is provided on the housing. A turntable is positioned below the lower grinding disc. The turntable and lower grinding disc are positioned and fitted together, ensuring that the lower grinding disc rotates with the turntable. The turntable is rotatably supported by a transmission assembly, which includes a main shaft. The top end of the main shaft is fixedly connected to the turntable, and the main shaft is mounted on a positioning support assembly. An analyzer is located at the top of the housing. This hydraulic vertical pressure plate grinding mill has the advantages of compact structure, stable operation, and high grinding efficiency, and is suitable for grinding various materials.

The utility model relates to an agricultural machine plowshare with agricultural machine operation teeth, which comprises a blocky agricultural machine plowshare body, two ends of the agricultural machine plowshare body incline upwards to respectively form a turnup head part and a turnup tail part, a working head is arranged on the head part, and the working teeth are arranged on the working head. Hard alloy layers matched with the working head and the head portion are welded to the upper surfaces and the two side edges of the working head and the head portion correspondingly and used for improving the overall strength of the working head and the head portion, at least one assembly hole vertically penetrating through the tooth head body is formed in the tail portion, and a protection device is arranged at each assembly hole. The agricultural machine plowshare body and an agricultural machine are installed and fixed by installing bolts in the assembly holes. The utility model has the advantages of reasonable structure, stable assembly, good firmness, convenient installation and disassembly, high hardness and high wear resistance, greatly improved working efficiency, prolonged service life and the like.

The utility model relates to a heavy metal contaminated soil remediation agent spraying device, which comprises a frame, a front wheel and a rear wheel are respectively arranged on the frame, and the heavy metal contaminated soil remediation agent spraying device is characterized in that a soil turning device and a spraying device are respectively arranged on the frame; wherein the soil turning device comprises a mounting frame rotationally arranged on the lower side of the frame and a driving component for driving the mounting frame to swing and turn over, and a plurality of plowshares are arranged on the mounting frame at intervals in the direction from the front wheels to the rear wheels. The plowshares located on the mounting frame swing along with the mounting frame to form soil turning depths of different horizontal depths relative to the frame, so that the soil turning depths of the plowshares are controlled, the plowshares are arranged in a step-shaped progressive increase mode, layered soil turning is achieved, soil resistance is reduced, a repairing agent is sprayed to the turned soil in cooperation with the spraying device, and the soil turning efficiency is improved. Therefore, the remediation agent can be quickly and uniformly dispersed to remedy the soil.

The utility model relates to the technical field of discharging equipment, and one embodiment of the utility model provides a self-adaptive adjustment discharging coulter mechanism which comprises a first base plate and a second base plate. One end of the first guide plate is arranged on the first substrate in a swinging manner; one end of the second guide plate is arranged on the second substrate in a swinging manner; the first moldboard is movably arranged on the first guide plate; the second moldboard is movably arranged on the second guide plate; one end of the first moldboard and one end of the second moldboard are mutually connected and arranged at an included angle to form a coulter head, and the bottom of the first moldboard is flush with the bottom of the second moldboard. By means of the technical scheme, the technical problems that in the prior art, the position of the main plowshare is usually fixedly arranged, flexibility is lacked, and the optimal discharging effect is difficult to achieve are solved.

The utility model relates to a short knife type structure plowshare used on a seeding machine, which comprises a plowshare body with a short knife type structure, the plowshare body with the short knife type structure is composed of a working part with a front sheet structure and a connecting part with a rear knife handle structure, the diameter of the working part is larger than that of the connecting part, and when the connecting part is inserted into the seeding machine, the working part is inserted into the seeding machine. The working portion of the plowing device abuts against a seeder to conduct plowing operation, an assembling hole and an assembling groove are formed in the connecting portion, and a working head is arranged on the working portion. The utility model has the advantages of reasonable structure, convenience in mounting and dismounting, long service life, high hardness, high wear resistance and the like, and the working efficiency is greatly improved.

The utility model discloses a hydraulic amplitude modulation deep ploughing ridging plough which comprises a three-point type connecting part connected with an external main machine, the connecting part comprises a large swing sliding sleeve and a sliding lever, and the large swing sliding sleeve can slide on the sliding lever; a hydraulic oil cylinder is rotationally connected to the upper side of the large swing sliding sleeve, a plough body main beam is rotationally connected to the lower side of the large swing sliding sleeve, and the output end of the hydraulic oil cylinder is rotationally connected to the upper side of the plough body main beam. A group of connecting plates are rotationally connected to the plough body main beam, a plough body clamping seat is rotationally connected to each group of connecting plates, a distance adjusting oil cylinder is arranged between every two adjacent plough body clamping seats, the two ends of each distance adjusting oil cylinder are rotationally connected to the corresponding adjacent plough body clamping seat, a plowshare is installed on each plough body clamping seat, and each plowshare comprises an adjusting pull rod, a ploughshare plate, a ploughshare point and a soil dividing plate. According to the hydraulic amplitude-modulation deep ploughing ridging plough, the plough head can be flexibly adjusted to control the accurate ploughing depth and ridge spacing, and the operation efficiency and the operation quality can be effectively improved. The split plowshare realizes accurate adjustment of the soil entering angle, the plowshare point is easy to replace, and the material cost can be effectively reduced.

The utility model discloses a turnover plow capable of automatically adjusting a head ploughshare. The middle part of a plowshare assembly is connected with a turnover block through a bearing; the overturning block is arranged in the middle of the sliding block; the tail end of the sliding block is connected to the front end of the girder; an adjusting screw rod is arranged between one side of the sliding block and the girder; sliding block clamping plates are arranged on the upper and lower surfaces of the sliding block; a hydraulic cylinder is transversely fixed in the sliding block; the hydraulic cylinder is connected with the overturning block through a hydraulic rod; an extension block is arranged on the overturning block; the sliding block and the sliding block clamping plate are correspondingly provided with long-strip-shaped limiting holes. The pin penetrates through the limiting hole and is fixed to the overturning block and the extending block. The sliding block clamping plate is connected with a head ploughshare; the supporting wheel assembly is arranged in the middle of the girder. The distance between the first ploughshare and the wheels of the tractor can be quickly and automatically adjusted through the hydraulic cylinder, the phenomena of missing ploughing and over ploughing are effectively prevented, meanwhile, the device can adapt to the ploughing resistance under different ground conditions, the device is compatible with tractors with various wheel tracks, and the ploughing efficiency and quality are remarkably improved.

The utility model discloses an improved bilateral pneumatic pear-type discharger, which belongs to the field of dischargers and comprises a discharging box, a conveying belt and a discharging mechanism. The discharging mechanism comprises a plowshare assembling frame, a piston rod, an assembling ring, a first air cylinder, a hinge seat, a lifting assembling frame, an assembling plate, a supporting connecting rod, a supporting seat, a supporting roller, a coulter, an upper plowshare, a first linkage rod, a lower plowshare and a second linkage rod. The bracket can be driven to rise synchronously through the linkage rod and the hinge structure, the carrier roller at the top of the bracket can abut against the conveying belt body to ensure that the conveying belt body is in a flat state, meanwhile, the plowshare can be connected with the top of the conveying belt to conduct flow guide discharging, extrusion of the plowshare to the conveying belt can be reduced, abrasion and the failure rate of the conveying belt are reduced, and the service life of the conveying belt is prolonged. Meanwhile, the plowshare is combined with the discharging boxes on the two sides, the materials can be guided to the two sides to be discharged, the discharging efficiency is improved, and discharging abrasion is shared.

The utility model provides a ploughing and soil turning structure for an agricultural machine, which comprises a fixed frame, a fixed frame, a soil turning device, a soil turning device and a soil turning device, wherein a mounting frame for mounting is mounted on the left side of the fixed frame; the soil turning plowshare is fixedly mounted on the surface of the bottom side of the fixing frame; the crushing mechanism is mounted on the surface of the bottom side of the fixing frame, and the crushing mechanism is used for crushing the turned soil; and the leveling mechanism is mounted at the right end of the fixing frame. Turned soil is crushed through the crushing mechanism, large soil blocks are effectively crushed into small soil, the soil turning effect of the soil is guaranteed, after the soil is crushed, under the action of the leveling mechanism, the turned and crushed soil is effectively stirred left and right, the soil at the high position is conveniently stirred, and the soil turning effect is improved. The unevenness of the soil surface is reduced, the flatness of the soil surface is improved, the resistance and abrasion of an agricultural implement in the farming process are reduced, and the service life of the agricultural implement is prolonged.

The plowshare adjusting structure for the no-tillage corn planter comprises a plurality of plowshare assemblies installed on a planter steel frame, each plowshare assembly comprises a square frame, an inner cavity of each square frame is connected with a movable rod in a sliding mode, the bottom of each movable rod extends to the bottom of the corresponding square frame and is provided with a plowshare body in a welded mode, and the plowshare bodies are connected with the movable rods in a sliding mode. A rectangular through groove is formed in the movable rod, and an inner cavity of the rectangular through groove is slidably connected with a movable plate. By pushing the U-shaped rod, the U-shaped rod is separated from the inner cavity of the locking groove and enters the inner cavity of the long groove, and then the U-shaped rod is pushed up and down to slide in the inner cavity of the long groove, so that the movable rod slides up and down in the inner cavity of the square frame, the height of the plowshare body is adjusted, and after the plowshare body is adjusted to a proper height, the plowshare body is fixed. And the U-shaped rod enters the inner cavity of the locking groove at the proper position to lock the height of the plowshare body at the moment, so that the purposes that the soil penetrating depth of the plowshare can be conveniently adjusted, and the applicability is high can be achieved.

The application provides a belt conveyor plow device, which comprises a plow main frame, a plow head body connected to one end of the plow main frame through a plurality of plow head bolts, a plurality of replacement plows arranged on both sides of the plow head body respectively, first plow sliding grooves symmetrically arranged on both sides of the other end of the plow main frame, and a plow feeding mechanism symmetrically arranged on both sides of the upper part of the plow main frame. The plow head body with a streamlined cross section is scientifically calculated. The streamlined cross section is convenient for distributing materials, reduces the impact of the materials on the plow, and prolongs the service life of the plow. The plow feeding mechanism cooperates with the plurality of replacement plows. The plow feeding mechanism can use all the plows, replenish the consumed plows without stopping the machine, adjust the force of the plow adhering to the belt, facilitate maintenance, save materials, improve the production efficiency, and reduce the production cost.

The invention discloses a vegetable planting film pressing device which comprises a walking vehicle, sliding frames are slidably connected to the left side and the right side of the front end of the inner wall of the walking vehicle and between the front ends of the left side and the right side of the inner wall in a matched mode, first electric push rods are installed between the left side and the right side of the walking vehicle and the lower ends of the sliding frames in a matched mode, and plowshares are arranged on the left side and the right side of the front end of the bottom of each sliding frame. A soil loosening assembly, a soil digging plate, a guiding assembly and a film pressing assembly are sequentially arranged at the bottom of the sliding frame and located behind the plowshare, second electric push rods are installed on the left side and the right side of the rear end of the inner wall of the walking vehicle correspondingly, and a mounting frame is arranged between the upper ends of the two second electric push rods in a matched mode; film pressing wheels, soil covering plates and soil pressing wheels are sequentially mounted on the left side and the right side of the mounting frame from front to back, and a conveying mechanism and a driving assembly are arranged in the mounting frame. According to the device, the sub-film force can be adjusted according to the variety of planted vegetables and the material of the mulching film, and the soil can be properly leveled during film pressing, so that the mulching film can be attached to the soil surface.

The utility model belongs to the technical field of coulter mixing machines, and particularly relates to a double-shaft coulter mixing machine which comprises a mixing box, two parallel stirring cavities are arranged in the mixing box, the stirring cavities are circular, and the stirring cavities are horizontally arranged and communicated with each other to form a combined cavity; the ratio of the length to the width of the combined chamber is 0.75 to 0.85; the stirring assembly comprises a pair of stirring shafts, the stirring shafts are rotationally arranged in the stirring cavity, and coulter bodies are spirally arranged on the side walls of the stirring shafts so as to mix the materials in the combined cavity; in short, the two stirring cavities are spliced to form the combined cavity, the volume of the stirring cavity is increased by increasing the width of the stirring cavity, a stirring shaft is independently arranged in each stirring cavity to be responsible for stirring and mixing materials, and further, the ratio of the length to the width of the combined cavity is controlled within the range of 0.75-0.85. Therefore, the load of a single stirring shaft is not too large.

The invention discloses a coulter shaft test-teaching-free welding system with an automatic size correction function, and relates to the technical field of welding, the coulter shaft test-teaching-free welding system comprises a rack, a robot welding system, a clamp system, a three-axis feeding robot and an automatic equipment maintenance stage, and an upper computer control unit is in communication connection with an upper computer and a parameterization input terminal; a parameterization programming module and an image processing module are arranged in the upper computer and used for receiving input parameters and automatically compiling and generating robot executable programs and welding parameter configuration files, and a multi-specification product welding parameter database is arranged in the parameterization programming module carried by the upper computer; various product and process parameters such as cutter shaft diameter and welding current can be received, path planning and interference and reachability self-verification are automatically completed according to standardized logics such as a product and process information input step and a key path point location table generation step, a robot executable program is generated, manual teaching and manual programming are not needed, and the production efficiency is improved. And the requirement on the professional ability of operators is greatly reduced.

A discharging system comprises a discharging plough and a plurality of independent feeding pipelines. A feeding port of each feeding pipeline is connected with a discharging port of the discharging plough, and a discharging port of each feeding pipeline is connected with a feeding port of the granary. A discharging plowshare of the discharging plough comprises a plowshare frame, a striker plate and a plough frame connecting mechanism. The left striker plate and the right striker plate are in mirror symmetry and are respectively a left striker plate and a right striker plate, the left striker plate and the right striker plate are respectively and rotatably connected to the plowshare frame, and the rotating axes are on mirror surfaces in mirror symmetry of the left striker plate and the right striker plate. A plurality of unloading ploughs can be arranged on the same conveying belt according to the number and the positions of granaries on site, and the requirement for multi-way unloading is met.

This invention relates to the field of seeder technology, and more particularly to a combined corn and soybean seeding device, comprising a mounting frame, which is bolted to an agricultural machine. A switching mechanism is mounted on the front of the mounting frame, and several plowshares are mounted from left to right on the bottom of the switching mechanism. These plowshares create planting furrows when plowing the land. A planting mechanism is mounted on the front of the switching mechanism. The switching mechanism adjusts the distance between the plowshares and the planting mechanism, thereby changing the planting row spacing to simultaneously meet the planting needs of corn and soybeans. Several covering mechanisms are mounted from left to right on the outer wall of the planting mechanism. This device eliminates the need for multiple dedicated seeders, effectively reducing equipment purchase and transportation costs, and significantly improving the convenience and efficiency of field operations. It automatically adapts to the different seed sizes and sowing quantities required for corn and soybeans, precisely controlling the number of seeds sown per hill, avoiding the problems of over-sowing requiring thinning or under-sowing requiring re-sowing, thus improving sowing accuracy and seedling uniformity.

The utility model belongs to the technical field of tobacco planting machinery, and discloses ditching equipment, which comprises a traction frame, a ditching plough and rollers, the traction frame is provided with a mounting beam, and two ends of the mounting beam are connected with ridging plates; the furrow plough comprises a connecting piece, a plowshare and two furrow opening plates, the plowshare is hinged to the connecting piece, the connecting piece is provided with a first adjusting piece, the first adjusting piece controls the plowshare to rotate, the two furrow opening plates are hinged to the plowshare, the plowshare is provided with a supporting part, the supporting part is provided with a second adjusting piece, and the second adjusting piece controls the furrow opening plates to rotate; the roller is installed on the supporting part which is provided with a third adjusting piece, and the third adjusting piece controls the roller to move up and down. The ditching equipment integrates ridging and ditching functions, can adapt to different terrains and quickly adjust the sizes of ditches, optimizes the layout of all parts in a furrow plough, improves the space utilization rate of the furrow plough, and reduces the size of the furrow plough.

The invention discloses a split linkage type filling coal mining hydraulic support and an operation method thereof.The hydraulic support comprises a filling support body, the filling support body comprises a top beam, a base, at least two pairs of hydraulic stand columns and a four-bar mechanism, the at least two pairs of hydraulic stand columns and the four-bar mechanism are connected between the top beam and the base, and the hydraulic support body further comprises a blanking system and a hydraulic control system, the filling device is arranged on the rear end side of the filling bracket, is connected with the filling bracket through a linkage mechanism, and comprises a conveyor configured to be used for conveying filling materials; the plow discharger is movably arranged on the upper end side of the conveyor, and the plow discharger is configured to be capable of discharging filling materials into a goaf; wherein the blanking system is moved to a preset position of a mining area under the traction action of the linkage mechanism.

The utility model relates to hydraulic turnover plough technical field discloses a hydraulic turnover plough frame suitable for electric tractor, including main girder and reinforcing structure, the outside installation of main girder has reinforcing structure, reinforcing structure, reinforcing structure includes connecting clamp, middle pull plate and baffle, the right side installation of main girder has connecting clamp, the left side installation of connecting clamp below has plough beam bracing, install middle pull plate between plough beam bracing and baffle, the right side installation of connecting clamp below has baffle, the right side installation of baffle has connecting beam, the outside installation of connecting beam has hydraulic turnover mechanism, the outside of hydraulic turnover mechanism is connected with plough head assembly through pivot, the below installation of connecting beam has traction arm, the utility model whole high strength, structure light weight, and prolong the service life of agricultural machinery.

The utility model relates to a fertilizer plough structure of a peanut rotary tillage seeder, and belongs to the technical field of peanut seeding machinery. According to the technical scheme, a fertilizer apparatus (4) is arranged on a fertilizer funnel (6), an outlet in the bottom of the fertilizer funnel (6) is directly communicated with a fertilizer plough (5), and a fertilizer box (2), the fertilizer apparatus (4), the fertilizer funnel (6) and the fertilizer plough (5) are located on the same vertical line; the fertilizer plow (5) is formed by welding a square tube (9) and a right-angle fan-shaped plowshare (10); and the plow tip of the right-angle fan-shaped plowshare (10) faces the back of the rotary cultivator. And a ridging side plate (8) is arranged between the rotary cultivator (3) and the fertilizer plough (5). The utility model has the beneficial effects that the plough tip of the fertilizer plough is prevented from colliding with the front rotary cultivator, ridging and water retention are carried out in time, the center line of the fertilizer plough corresponds to the center line of the peanut ridge surface, the fertilizer application is balanced, the fertilizer demand in the peanut growth process is ensured, the seeding quality is ensured, the fertilizer discharge channel and the fertilizer plough are on the same vertical line, the fertilizer path is smooth, and the blockage is avoided.

The seeding unit comprises a ditching assembly and a seed uniformizing assembly, the ditching assembly comprises a plowshare and a ditch protecting shell, the plowshare is connected with the ditch protecting shell, the plowshare is located on the front side of the forward direction of the seeding unit relative to the ditch protecting shell, and the seed uniformizing assembly is located in the ditch protecting shell. The seeding component comprises a seeding shell and a plurality of flow dividing components, the seeding shell is provided with an inlet and a plurality of outlets, the inlet is suitable for being communicated with the seed box, the outlets are uniformly arranged at intervals in the width direction of the seeding shell, and the flow dividing components are distributed in the seeding shell so as to disperse seed flow entering through the inlet of the seeding shell to the outlets. According to the seeding unit, the seed distribution uniformity and the seeding uniformity can be improved.

The utility model discloses a split type angle-adjustable ploughing assembly which comprises a connecting square pipe connected with an external main machine, and two positioning plates are arranged on the connecting square pipe. The upper end of the plow column is in bolted connection with the positioning plate through the first mounting hole, and meanwhile, after a safety bolt penetrates through the second mounting hole, the plow column is fixed between the square tube and the safety bolt; a plowshare is mounted at the lower end of the plow column, and a ploughshare head is arranged at the front end of the plowshare; the adjusting plate is welded to the bottom side of the ploughshare head, the middle of the adjusting plate is rotationally connected to the plow pole, the rear end of the adjusting plate is rotationally connected with the adjusting pull rod, and the adjusting pull rod is movably connected to the plow pole through a nut. The soil dividing plate is fixed on the upper side of the ploughshare head through bolts; the ploughshare plate and the ploughshare point are connected to the front end of the ploughshare head through bolts. According to the split type angle-adjustable ploughing assembly, modular design is adopted, adjustment of the penetrating angle of the ploughshare head is achieved by adjusting the relative position of the pull rod and the plough column, meanwhile, the ploughshare point, the ploughshare plate and other easily-lost webs can be replaced, the consumable cost can be effectively reduced, the split type angle-adjustable ploughing assembly adapts to complex ridging operation conditions, and the operation quality is improved.

The utility model discloses a ridging mechanism of greenhouse big shed ridging and mulching machine relates to ridging mechanism technical field, including installation frame, the two plough heads of symmetry of installation frame below are provided with, be provided with interval adjusting mechanism between installation frame and plough head, the front and back of installation frame are provided with respectively and depth adjusting mechanism and smoothing mechanism, interval adjusting mechanism includes the first motor of fixed mounting in installation frame right -hand member, and the output shaft of first motor extends to the inside of installation frame and is fixedly connected with two -way screw rod. The utility model discloses through the setting of interval adjusting mechanism, when needing to adjust the width of ridging, the operation of first motor drives two -way screw rod to rotate, under the guidance of guide slide, make two thread blocks can through the rotation of two -way screw rod respectively drive two plough heads to move relatively or oppositely, to make this ridging mechanism can according to the need of ridging width to adjust the interval of two plough heads, has improved its practicality.

The utility model relates to a ridging and ditching device for sweet potato planting, which belongs to the technical field of sweet potato planting and comprises a device support, a connecting frame is arranged at the upper end of the device support, a traction frame is arranged at the upper end of the connecting frame, and a ridging plowshare is arranged at the bottom of the device support. According to the ridging and ditching device for sweet potato planting, when position adjustment is carried out between ridging plowshares on the two sides and a ridging plowshare in the middle, a first transmission rod and a second transmission rod can be driven to rotate along the interior of an adjusting base through driving of a driving motor, so that the ridging plowshares on the outer sides are close to the ridging plowshare in the middle, and the ridging plowshares on the outer sides are close to the ridging plowshare in the middle; when the ridging plowshare on the outer side needs to be far away from the ridging plowshare in the middle, operation can be carried out by controlling the output end of the driving motor to rotate reversely through the control box, so that bolt positioning does not need to be manually adjusted, the ditching and ridging distance is automatically adjusted, the labor intensity is reduced, and the service life of equipment is prolonged.

The invention relates to the technical field of forest land ecological restoration, and discloses a forest land soil pore regulation and control and slow release fertilizer deep application synergistic device which comprises a U-shaped mounting frame mounted on an agricultural machine, a rotary blade group, a regulation and control module, a deep application module and a detection module, the deep application module is used for deeply applying a slow-release fertilizer into forest land soil and comprises a plowshare and a fertilization nozzle; the detection module comprises a probe used for detecting forest land soil pores. The forest land soil pore regulation and control and slow-release fertilizer deep application synergistic device integrates four core functions of rotary tillage crushing, pore detection, pore regulation and control and slow-release fertilizer deep application, and the same U-shaped mounting frame is matched with an agricultural machine, so that multiple procedures are completed through one-time operation. The rotary blade group firstly completes crushing of surface hardened soil and synchronous driving of linkage work of the detection module and the regulation and control module, and finally the deep fertilization module performs follow-up fertilization, so that repeated back-and-forth operation is not needed, the forest land soil improvement period is greatly shortened, the manpower and agricultural machine energy consumption cost is reduced, and the requirement for large-scale forest land management is met.

This invention discloses a detachable plow and harrow multi-purpose tillage device, relating to the field of agricultural machinery technology. It includes a support plate with a diversion component at the top and multiple tillage components at the bottom. Each tillage component includes a plowshare that is movably connected to the support plate. The plowshare has a connecting groove inside, with a discharge port below for conveying high-temperature gas, fertilizer, and seeds. The connecting groove contains a guide block and a material-blocking strip. The plowshare has exhaust holes and soil-blocking strips on both sides, respectively achieving gas guidance, material limiting, soil disinfection, and anti-clogging. Through the coordinated operation of the diversion component, tillage components, and intermittent components, the diversion component evenly distributes materials and gas, the tillage components precisely deliver materials, and the intermittent components precisely control materials. This device integrates tillage, disinfection, fertilization, and sowing functions, solving the problems of existing devices with limited functionality, multiple devices operating in separate steps, and low efficiency. It achieves the effects of reducing operational steps, lowering labor intensity, and improving tillage efficiency.

The invention discloses a method for preventing a ring type coal feeder from scattering and leaking coal, and relates to the technical field of fuel conveying of thermal power plants. The method comprises a sealing improvement step and an unloading cleaning step. In the sealing improvement step, a first anti-overflow apron board and a second anti-overflow apron board are arranged on the inner side and the outer side of a sealing cover correspondingly, and multiple sealing combining static state and dynamic state is formed. In the discharging and cleaning step, a plurality of auxiliary ploughs are arranged behind a plough head of a plough discharger, a multi-stage intercepting, capturing and cleaning mechanism is formed, and missing coal particles are guided back to a coal bearing disc. The problem of coal spilling and leaking of the coal feeder can be remarkably solved, material loss and environmental pollution are reduced, the operation safety of equipment is improved, and the service life of the equipment is prolonged.