49 results about "Subsoiler" patented technology

The invention discloses a low-resistance deep-scarification fertilizer spreader for saline-alkali soil based on self-adaptive control, and provides an innovative scheme aiming at the problems of soil hardening, non-uniform application of a modifier, low operation efficiency and the like. The whole machine comprises a rack, a modifier box, a double-row shovel, a multi-leaf discharger and an intelligent control system. A front row of shovels and a rear row of shovels are designed, a front triangular shovel reduces tillage resistance through wedge-shaped splitting, a rear subsoiler cuts off soil capillary tubes, a discharging pipe is arranged in the rear subsoiler, and deep and accurate throwing of an improver is achieved; 2, PID parameters are optimized based on an improved genetic algorithm, closed-loop control and low-pass filtering noise reduction are combined, a self-adaptive control system is constructed, and the discharging amount and the advancing speed are dynamically matched; the soil pressing roller and the shovel are designed cooperatively, the whole process of soil breaking, deep scarification, agent applying and pressing is completed at a time, and efficiency is improved. Through a low-resistance structure, intelligent control and integrated operation, the equipment breaks a hardened layer, inhibits salt from moving upwards, improves the utilization rate of an improver, has the characteristics of high efficiency, low consumption and ecological protection, and meets the treatment requirements of saline-alkali soil.

The invention relates to a profiling two-section subsoiler for hilly and mountainous areas, and belongs to the field of agricultural mechanical equipment. The deep scarification device comprises a three-point suspension device, a first-stage profiling device, a second-stage profiling device, a first-stage deep scarification device, a second-stage deep scarification device, a rear soil crushing device, a rack and a stop dog, the first-stage deep scarification device is located at the front end of the rack, the second-stage deep scarification device is located behind the first-stage deep scarification device, the soil penetrating depth of the first-stage deep scarification device is small, and the soil penetrating depth of the second-stage deep scarification device is small. The secondary deep scarification device is deep in soil, the primary deep scarification device and the secondary deep scarification device are matched to complete deep scarification operation of cultivated land, the primary deep scarification device is installed on the primary profiling device, the secondary deep scarification device is installed on the secondary profiling device, the rear soil crushing device crushes deep scarified soil, and follow-up cultivation operation is facilitated. The subsoiler solves the problems of low terrain flatness of cultivated land in mountainous areas and hills, low operation matching horsepower of the subsoiler, large subsoiling operation resistance, poor effect and difficulty in breaking a plow pan, so that the subsoiling operation of the cultivated land in the hilly areas is efficient and rapid.

The present invention relates to an assembly or kit for adjusting agricultural machinery for deep soil conditioning or soil decompaction processes with a variable depth setting, suitable for being incorporated into new or existing agricultural machinery, such as decompactors, subsoilers, chisel ploughs, paratill ploughs, weeders and the like, which is characterised in that it comprises a hydraulic control device interposed in the hydraulic circuit of said agricultural machinery, usually between the hydraulic fluid pressure pump and the actuators, which are usually hydraulic; and a programmable control device, which contains stored information about the ground to be worked, such as moisture, compaction level and other parameters of interest for the task, and which is programmed to determine the depth of penetration of the agricultural implement of the machinery into the soil based on said parameters.

The invention relates to agricultural farming machinery, in particular to a bionic anti-drag subsoiler based on the contour curve of the second toe of the forefoot of a mole cricket. According to the bionic anti-drag subsoiler based on the contour curve of the second toe of the forefoot of the mole cricket, the bionic anti-drag subsoiler is designed through the contour curve of the second toe of the forefoot of the mole cricket, so that the tillage resistance of the subsoiler is reduced, and oil consumption of subsoiling operation is reduced. According to the technical scheme, the bionic anti-drag subsoiler based on the contour curve of the second toe of the forefoot of the mole cricket is characterized in that a bionic shovel handle comprises a shovel handle straight handle section and an arc-shaped shovel handle bionic section, wherein the upper end of the shovel handle bionic section is smoothly connected with the shovel handle straight handle section into a whole; the longitudinal section contour line of the soil contact side of the shovel handle bionic section is based on the inner contour line of the longitudinal section of the second toe of the forefoot of the mole cricket, and the longitudinal section contour line of the soil separation side of the shovel handle bionic section is based on the outer contour line of the longitudinal section of the second toe of the forefoot of the mole cricket; the left contour line and the right contour line of the bionic shovel point are based on the left contour line of the second toe of the forefoot of the mole cricket.

This invention relates to an overload protection device and method for a subsoiler shovel based on hydraulic control. The overload protection device for the subsoiler shovel includes a four-bar linkage, a subsoiler unit, a hydraulic actuator, an adjustable dynamic damping buffer mechanism, a control system, and a hydraulic and power supply system. The hydraulic and power supply system includes a multi-channel hydraulic output port for the power machinery and an on-board battery. The hydraulic actuator includes a hydraulic cylinder, a pressure holding module, an overload unloading module, and an oil tank. Two adjustable dynamic damping buffer mechanisms are provided on the left and right sides of the hydraulic cylinder. Each adjustable dynamic damping buffer mechanism includes a first telescopic rod, a second telescopic rod, a first connecting piece, a second connecting piece, a nut, a spring seat, a spring, a first threaded rod, a second threaded rod, and a support plate. The control system includes a data acquisition unit and a control unit. This invention can control the subsoiler shovel to move quickly and accurately, the overload protection critical resistance value is easily adjustable, and the shovel quickly returns to its working state after overload protection.

The utility model provides a hook structure of a subsoiler, and belongs to the technical field of subsoilers. Comprising a mounting frame and a hook mechanism, a supporting frame is fixedly mounted at the top of the mounting frame, the hook mechanism comprises a mounting plate, the mounting plate is fixedly mounted at the top of the supporting frame, a positioning plate is slidably mounted on the upper surface of the mounting plate, a positioning hole is formed in one side face of the positioning plate, and a vertical rod is fixedly mounted outside the positioning plate; a connecting frame is slidably mounted in the vertical rod, a sliding groove is formed in the upper surface of the mounting plate, a thin groove is formed in the inner wall of the sliding groove, and a sliding block is arranged in the sliding groove. By arranging the movable positioning plate on the upper surface of the mounting plate, the positioning plate can be controlled to move, and positioning holes in the positioning plate correspond to holes in mounting equipment on a tractor in position, so that the mounting frame is fixedly mounted on the tractor, the position of the positioning plate can be effectively adjusted instead of a movable tractor or a movable subsoiler, time is saved, and the working efficiency is improved. The mounting efficiency is improved.

The utility model provides a vibration subsoiler driven by a hydraulic motor, which comprises a main frame, a lower suspension bracket, an upper suspension bracket, a subsoiling shovel mounting seat, an eccentric wheel, a press wheel, a vibration connecting rod, a subsoiling shovel handle, a subsoiling shovel tip, a driving hydraulic motor, a shovel tip vibration central shaft, a shovel tip and vibration connecting rod articulated shaft and an eccentric shaft, according to the vibration subsoiler driven by the hydraulic motor, the subsoiler tip is driven by the hydraulic motor to vibrate, a plough layer is not disturbed, soil is loosened, excessive transmission parts are not arranged, the structure is compact and light, the amplitude can be adjusted according to the actual operation soil specific resistance, and the vibration subsoiler is well suitable for subsoiling operation of different land parcels.

The utility model discloses a scraping mechanism for a power subsoiler cutter, which comprises a rack, a subsoiling component is arranged at the bottom of the rack, the subsoiling component comprises a vertical loosening plate, the top of the vertical loosening plate is fixedly connected with a positioning shaft and a movable shaft, and the top ends of the positioning shaft and the movable shaft are respectively and rotatably connected with a fixed frame and a movable frame. By means of the deep scarification assembly, in the process that the cultivator drives the device to advance, the motor is started to drive the crank to rotate, the shifting rod drives the movable frame to move back and forth in a reciprocating mode, at the moment, the parallel vertical loosening plates swing back and forth along with the deep scarification assembly, and the deep scarification effect is achieved. By means of the structure, soil on the two sides of the loosening plate in the width direction can be fluctuated back and forth while the vertical loosening plate rips the soil, the deep loosening effect on the two sides of the vertical loosening plate in the width direction is improved, more vertical loosening plates are prevented from being installed, and the flexibility of the device is improved.

The application discloses an intelligent deep scarification spade, a ploughing layer resistance continuous sensing method and a ploughing depth intelligent regulation and control system. The intelligent deep scarification spade comprises a connecting frame and a spade handle. The lower end of the spade handle is provided with a spade tip. A plurality of soil breaking blocks are mounted on the front side of the spade handle. Each soil breaking block is connected with the spade handle through a strain pressure sensor. The strain pressure sensor comprises a connecting block and a first strain gauge. A total soil breaking force detection sensor is connected between the spade handle and the connecting frame. The connecting block comprises a narrow body part and a wide body part. The narrow body part is provided with a connecting end and a neck part. The neck part is provided with a first through hole. The first strain gauge is mounted on the outer wall of the neck part. The wide body part is provided with a notch. The wide body part has two forked parts. The end parts of the two forked parts are connected with the soil breaking blocks. In the two adjacent strain pressure sensors, the corresponding narrow body part of one is embedded in the notch of the connecting block of the other. Except that the connecting end directly contacts with the front side of the spade handle, there is a gap between the other parts of the connecting block and the spade handle.

The present invention relates to a method for improving the growth environment of greenhouse crops, in which soil around crops or around places in which the crops are to be planted is finely crushed by a subsoiler in a state in which the crops are planted in the soil or before the crops are planted, a plurality of through-holes deeper than the root depth of the crops are formed at regular intervals around the crops or around the places in which the crops are to be planted by using a through-hole drilling tool or an air supply pipe of the subsoiler, and water pipes connected to a water tank are inserted into the through-holes so as to reach the ground, and then supplied with water so that the water flows out from the bottom of the through-holes to form a wide water retention layer under the roots. The method can provide not only stable growth of the crops but also sufficient water, oxygen, and nutrients, and minimizes the humidity in indoor air, thereby creating the most suitable environment for crop growth.

The application provides a subsoiler for monitoring dynamic changes of soil in real time, and relates to the technical field of intelligent subsoiling, which comprises a rack, a speed sensor, a subsoiling device, a traction device and a soil morphology monitoring device; the speed sensor is installed on the rack and used for detecting the moving speed of the subsoiler in real time; the traction device is fixedly connected with the rack; the subsoiling device comprises a subsoiling shovel and is used for subsoiling soil; the soil morphology monitoring device is installed behind the subsoiling device and comprises a line laser emitter, a binocular camera and an upper computer; the line laser emitter emits line laser behind the subsoiling shovel; the binocular camera is installed directly above the light; the binocular camera sends the line laser picture to the upper computer in real time, and the upper computer processes the picture to generate soil point cloud data at each moment. The subsoiler can monitor the soil morphology changes in the whole subsoiling process, realize the visualization of the whole subsoiling process and reduce the amount of manpower used during work.

The invention discloses an adjustable disc cutting loosening-layering flexible chain type deep scarification all-in-one machine for a shallow layer of saline-alkali soil, and belongs to the technical field of agricultural machinery. The machine tool comprises a rack, a transmission system, and a shallow soil loosening device, a narrow-handle flexible chain type deep scarification device, an interval break shovel steel wire rope device and a soil ventilation mouse channel generation device which are sequentially arranged on the transmission system. The shallow soil loosening device is positioned at the front part of the machine tool, adopts a spirally-arranged inclination-angle-adjustable cutter head and is used for cutting and crushing a hardened layer on the earth surface; the narrow-handle flexible chain type deep scarification device is provided with a vibration mechanism, high-frequency vibration deep scarification is achieved through a narrow-section shovel handle, and soil penetrating resistance is effectively reduced; according to the spaced break shovel steel wire rope device, a plurality of high-strength steel wire ropes are fixedly connected to the lower portions of shovel handles of the adjacent subsoiling shovels, and large hardened soil obtained after subsoiling is subjected to secondary collision and crushing; and the soil ventilation rat channel generation device is arranged behind the subsoiler and is used for extruding at the bottom of the subsoiling ditch to form a stable ventilation channel. The device integrates the functions of shallow-layer soil crushing, deep-layer vibration deep scarification, flexible soil crushing and rat channel ventilation, multiple working procedures of saline-alkali soil improvement can be completed through one-time operation, the traction resistance is remarkably reduced, the soil crushing efficiency and the soil breathability are improved, and the device is suitable for mechanical improvement operation of moderate and severe saline-alkali soil.

The invention discloses a stubble wind tunnel type hydrogen-rich gasification combustion insecticidal steam extinguishing deep plougher, which comprises a deep plougher and a stubble wind tunnel type hydrogen-rich gasification furnace installed on the deep plougher, wherein the stubble wind tunnel type hydrogen-rich gasification furnace comprises a furnace body (42) for burning stubble, a wind gathering device (21) for introducing external airflow into the furnace body (42), an airflow distributor (22) for distributing the introduced airflow, a drip irrigation device (24) for dripping water into the airflow distributor (22), and a water vapor reforming catalytic reburning chamber (16) and a water vapor reforming catalytic reaction chamber (17) which are sequentially connected in the bottom of the furnace body (42), and a group of flame nozzles for burning and killing soil are arranged on the water vapor reforming catalytic reaction chamber (17). The invention has the advantages that the biomass energy pyrolysis technology and the wind energy physical technology of "funnel effect" are coupled to ensure safe natural air distribution, self-control furnace partition, series-parallel lock heat supply, machine external fire source self-extinguishing, and the burning, killing and fire extinguishing are integrated.

The application discloses a subsoiler state monitoring and grading early warning method based on multi-modal information fusion, and belongs to the technical field of agricultural machinery fault diagnosis. A sensor network is formed by arranging vibration, resistance and energy consumption sensors at key positions of a subsoiler, multi-source signals are collected, and an adaptive variational modal decomposition combined with an improved wavelet threshold algorithm is used for filtering and noise reduction. The core scheme is as follows: after the features of each modal signal are extracted and quantized, the multi-modal fusion diagnosis model is input, and the fault type and severity level are synchronously output; the system runs in parallel with a single modal diagnosis channel, and an intelligent arbitration mechanism is introduced; when the multi-modal fusion result has high confidence and conflicts with the single modal result, the multi-modal result is adopted to suppress false positives; and the sensor position mapping and feature contribution degree analysis are combined to realize preliminary fault positioning. The application significantly improves the accuracy and reliability of fault diagnosis, and realizes systematic technical upgrading from abnormal early warning to accurate positioning.

The present application relates to the trajectory generation and synthesis field of six-bar subsoiling mechanism for hilly farmland. The purpose is to map the mole forefoot soil digging trajectory to the bionic subsoiling trajectory based on the bionics principle of animal soil digging, and to improve the trajectory combined with the subsoiling agronomy requirements. The improved bionic subsoiling trajectory is used as the target trajectory, and a creation method of six-bar subsoiling mechanism with reproducible target trajectory is provided. The technical scheme is: a creation method of six-bar subsoiling mechanism for hilly farmland based on mole and agronomy; comprising: 1 mapping the mole forefoot soil digging trajectory to the bionic subsoiling trajectory; 2 combining the subsoiling agronomy requirements to improve the bionic subsoiling trajectory to disturb the shallow soil as small as possible, and using the improved bionic subsoiling trajectory as the target trajectory; 3 selecting 16 type value points to discretize the continuous target trajectory as target trajectory points; 4 taking the Stephenson III type six-bar mechanism as an example, the position function of the trajectory generating point is written.

The invention provides a hydraulic drive strip tillage and deep scarification soil preparation machine, and belongs to the technical field of soil preparation machines. The hydraulic drive strip tillage and deep scarification soil preparation machine comprises a traction support, a traction cross beam is arranged at the top of the traction support, single main plates are arranged on the two sides of the traction support, fixing frames are arranged on the front sides of the single main plates, stubble cutting discs are arranged on the rear sides of the bottoms of the single main plates, and the stubble cutting discs are connected with the traction cross beam. A first stubble shifting disc and a second stubble shifting disc are arranged on the opposite sides of the single main plates respectively. By arranging the hydraulic motor and combining the hydraulic work station, the deep scarification soil preparation machine is a compound operation machine integrating multiple functions of deep scarification, stubble cutting, straw distribution, soil crushing, pressing and the like, the passive mode that a traditional machine tool depends on ground friction force to drive working parts is abandoned, and a set of independent hydraulic work station system is adopted; power is provided for an active rotating part, and the defects that a traditional passive machine tool is poor in operation effect and low in efficiency under the low-speed or complex working condition are overcome to a certain degree.

The utility model provides a strip tillage machine. Comprising a straw pulverizer rack, a main gear box, a transmission shaft, a lower suspension bracket, an upper suspension bracket, a side box transmission shaft, a strip tillage depth adjusting hydraulic cylinder, a strip tillage depth sensor, a press roller bracket, a press roller driving hydraulic motor, a press roller, a strip tillage rack, a strip tillage machine driving hydraulic motor, a strip tillage machine knife roller, a front disc harrow, a side box bearing seat and a side box, a straw crusher flail knife roller, a grass dividing baffle, a straw crusher flail knife roller height sensor, a straw crusher flail knife roller height adjusting hydraulic cylinder, a strip tillage rack adjusting connecting rod, a disc harrow seat, a rear disc harrow, a subsoiler, a fertilizer box, a disc harrow fertilization pipe, a subsoiler fertilization pipe, a bent flail knife, a straight flail knife, a strip tillage 7-shaped knife and a straw crusher fixed knife. Straw is crushed at the front part, then deep scarification is carried out, a shallow soil layer is broken through a disc harrow, and meanwhile, base fertilizer deep application and full plough layer mixed fertilization are carried out, so that the emergence rate is guaranteed.

The utility model relates to agricultural technology field discloses an agricultural planting and seeding subsoiler, including frame, the top fixedly connected with mounting panel of frame, the middle part mounting of mounting panel has lifting mechanism, the outside of frame is equipped with mounting block no.

The application discloses a layered low-disturbance deep loosening device suitable for soil hardness, and relates to the technical field of agricultural machinery. The layered low-disturbance deep loosening device suitable for soil hardness is characterized by the cooperation of a deep loosening main shovel and extension shovels. The deep loosening main shovel can improve the deep loosening range through the multiple extension shovels connected to the outer side during the deep loosening process. When deep loosening treatment is needed for soil at different depths, the height position of the extension shovels can be adjusted by rotating the extension shovels and sliding them along the limiting shaft rods to the corresponding positioning columns, thereby realizing layered deep loosening, ensuring the deep loosening effect, improving the use convenience and deep loosening range of the equipment, and more easily breaking the plough pan.

The application provides a dynamic coupling bionic resistance-reducing layered deep loosening machine based on a wood bee ovipositor, which comprises a deep loosening support, a transmission mechanism and a plurality of deep loosening mechanisms, the transmission mechanism and the plurality of deep loosening mechanisms are arranged on the deep loosening support, and the transmission mechanism is connected with a power mechanism of a front tractor; all the deep loosening mechanisms can move synchronously under the action of the transmission mechanism, each deep loosening mechanism comprises a differential assembly and two front and rear arranged deep loosening shovels connected with the differential assembly, the end of the shovels with the shovel tips is the front end, and the two deep loosening shovels in each deep loosening mechanism can realize differential motion through the differential assembly. The deep loosening machine has the characteristics of low working resistance, low oil consumption and strong adaptability.

A coupling bionic low-disturbance and resistance-reducing subsoiler based on a halftone mantidis larva mouthpart is composed of a bionic subsoiler handle and a bionic subsoiler tip. The bionic subsoiling shovel handle is formed by connecting a rack connecting section, a working section and a shovel tip connecting section, wherein a shovel handle cutting edge contour line, a shovel handle working section inner directrix and a shovel handle working outer directrix are all designed according to an inner contour curve of a halitosis of a halitosis of a halitosis of the halitosis of the halitosis of the halitosis of the halitosis of the halitosis; and the soil contact working surface of the bionic shovel tip and the left and right resistance reduction surfaces of the shovel tip are formed by the outer contour curve of the mouthpart of the halita straightella larva. A curvilinear equation is obtained through reverse engineering, through optimization design, inner and outer contour curves of the mouthparts of the halitosis straighteiensis larvae are applied to the design of the subsoiling shovel handle and the subsoiling shovel tip, the specific bionic structure of the subsoiling shovel reduces the operation resistance by 20.71% in the subsoiling operation process, the earth surface undulation degree coefficient of soil can be reduced by 25.19%, and the subsoiling shovel has a good resistance reduction effect; the surface undulation degree can be further reduced, the surface flatness is improved, a good seedbed condition is provided for subsequent seeding, and the uniformity of the seeding depth is improved.

The invention belongs to the technical field of Baijiang soil treatment equipment, and particularly relates to a layered application device of a Baijiang soil improvement fungicide, which comprises a rack, a fertilization vertical pipe, a fertilization transverse pipe and a receiving box, a subsoiler with a transverse groove is mounted on the lower side of the rack, and a shovel wing with a vertical groove is mounted on the outer side of the subsoiler; an air supply mechanism and a material storage box are mounted on the upper side; the supporting pipe is fixed on the rack and is aligned with the vertical groove; the upper end of the storage bin is communicated with the storage bin, and a control bin is mounted outside the storage bin; the fertilization vertical pipe is rotationally connected with the rack and is aligned with the vertical groove; a rotating joint is arranged at the upper end of the rotating shaft and is communicated with a storage box and an air supply mechanism through a tee joint; when the discharge opening of the receiving box is aligned with the strip-shaped hole of the fertilization transverse pipe, the improved fungicide in the receiving box is scattered into the transverse groove under the action of gravity; meanwhile, the outer wall of the receiving box can block the outlet of the fertilization vertical pipe, at the moment, the flow of air entering the receiving box is small, and the improved fungicide in the transverse groove cannot be blown away.

The utility model provides an auxiliary device of a subsoiler, and belongs to the technical field of agricultural machinery. The subsoiler auxiliary device comprises a first support, a sleeve rod, a soil loosening plough and a fertilization assembly, the surface of the first support is slidably sleeved with a plurality of sliding sleeves, the sleeve rod is fixedly installed on the lower portions of the sliding sleeves, a telescopic rod is slidably installed in an inner cavity of the sleeve rod, and the soil loosening plough is fixedly installed on the lower portion of the telescopic rod. And the fertilizing assembly comprises a second bracket, a bulk material box and a separation blade. By arranging the fertilizing assembly, fertilizer is poured into the material storage box, and the wheels are in contact with the ground, so that when the device moves, the wheels drive the first belt pulley to rotate and drive the second belt pulley to synchronously rotate so as to drive the first rotating shaft to rotate, and the fertilizer falls between the two adjacent separation blades through the channel and rotates along with the rotation of the first rotating shaft; fertilizer between the separation leaves is sprayed to the surface of the material guide plate and evenly falls on the ground, auxiliary fertilization is achieved, and the farming efficiency is improved.

The utility model provides a profiling foldable type strip tillage machine with multiple strips. Comprising a foldable main machine frame, a strip tillage machine unit, a fertilizer box, a main beam I, a lower suspension frame, an upper suspension frame, a hydraulic cylinder base, a main beam II, a small folding shaft, a ridge distance adjusting hydraulic cylinder, a four-connecting-rod profiling mechanism, a folding hydraulic cylinder, a folding hydraulic cylinder supporting plate, a strip tillage machine unit machine frame, an adjustable depth limiting land wheel, a subsoiling shovel fertilization pipe, a subsoiling shovel, a disc harrow and a four-connecting-rod profiling mechanism chaining base. The subsoiler comprises a subsoiler base, a disc harrow base, a U-shaped clip, a pressing roller bracket, a pressing roller driving hydraulic motor, a pressing roller, a strip tillage knife roller driving hydraulic motor, a strip tillage knife roller and a disc harrow fertilization pipe.

The invention provides a dinting machine hydraulic control system integrating crushing and impact rotary drilling, and belongs to the technical field of hydraulic control systems. Comprising a variable pump, a pilot oil source control valve group, a proportional multi-way valve I, a drilling machine pilot handle group, an impact rotary drilling machine, a bidirectional hydraulic lock, a drilling machine feeding oil cylinder, a breaking hammer pilot handle, a pedal pilot valve I, a pedal pilot valve II, a roller control protection valve, a right walking driving motor, a left walking driving motor, a breaking hammer control valve and a proportional multi-way valve II. The dinting machine hydraulic control system integrating crushing and impact rotary drilling can be suitable for an underground coal mine fully mechanized coal mining face dinting machine to perform impact drilling when floor heave maintenance, side wall and top anchor rod supplementary driving or wall surface maintenance is performed, and when an impact rotary drilling machine works, the dinting machine cannot walk and the crushing hammer cannot work, so that the impact rotary drilling machine cannot work. Therefore, the safety performance of the whole dinting machine in operation is ensured.

The utility model relates to a blade for high-efficiency reclamation of a subsoiler, which comprises a blade body, the blade body consists of a cutting board and a cutting head, one side surface of the cutting board is provided with the long-strip-shaped cutting head, the length of the cutting head is the same as that of the cutting board, a hard alloy layer and a hard welding rod wear-resistant layer are respectively welded on the cutting head, and the hard welding rod wear-resistant layer is welded on the cutting head. The cutter head is used for improving the overall strength and abrasion resistance of the cutter head, at least one bolt through hole with a protection device is formed in the side body of the cutter plate, the side face, adjacent to the cutter head, of the cutter plate extends outwards to form a positioning plate with a plurality of positioning through holes, and the positioning through holes of the positioning plate are clamped into corresponding positioning columns of the subsoiler. And bolts are inserted into the bolt through holes, so that the blade body and the subsoiler are mounted and fixed. 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 discloses a subsoiler for saline-alkali soil improvement, and relates to the technical field of saline-alkali soil improvement. According to the subsoiler for improving the saline-alkali soil, by arranging a variable-pitch groove plate, a first sliding groove, a second sliding groove, a third sliding groove, a fourth sliding groove, a connecting plate, a mounting plate, a connecting column, tilling cutters, a second fixing plate, a lead screw, a third fixing plate, a rotating disc, a rotating shaft, a threaded sleeve, a first bevel gear and a second bevel gear, the function of adjusting the distance between the tilling cutters is achieved; an operator can flexibly adjust the distance between the tilling cutters according to the actual hardening degree and soil characteristics of the saline-alkali soil, so that the optimal soil loosening effect is achieved; by arranging a third fixing plate, a clamping hole, a rotating disc, a fixing block, a bolt, a clamping block, an inclined groove, an ejector rod, a first spring, a second spring and a limiting plate, the function of fixing the adjusted tilling cutters is achieved, rotation of the rotating disc is limited through cooperation of the clamping block and the clamping hole, and meanwhile the positions of the multiple sets of tilling cutters are fixed.

The utility model discloses a slow release fertilizer seeding machine which comprises a machine frame, a first vertical rod and a second vertical rod which are distributed and fixedly erected below the machine frame in a front-back mode, and a fertilizer box and a seed box which are arranged behind the first vertical rod and the second vertical rod respectively. A fertilizer distribution assembly is assembled on the back face of the subsoiling shovel, a seeding shovel is fixedly installed at the bottom of the second vertical rod, and the output end of the fertilizer box and the output end of the seed box are in butt joint with the rear portion of the fertilizer distribution assembly and the rear portion of the seeding shovel through material guide pipes respectively. According to the slow-release fertilizer seeder, the subsoiler is erected on the front portion of the rack, effective penetration of a plow pan can be achieved, the limitation of the plow pan on soil permeability and water storage and soil moisture conservation capacity is broken through, favorable conditions are created for downward pricking of crop roots and deep absorption of nutrients, meanwhile, the fertilizer distribution assembly assembled on the back face of the subsoiler is matched, and the fertilizer distribution efficiency is improved. The fertilizer can be uniformly applied into the deep soil.

The utility model relates to the technical field of rotary tillage deep plowing machines, in particular to a soil rotary tillage deep plowing machine which comprises a fixing seat, a plurality of connecting rods are symmetrically embedded in the upper portions of the two sides of the fixing seat in an array sliding mode, side plates are fixedly connected to the adjacent connecting rods, fixing plates are arranged between the side plates and the fixing seat, and the fixing plates are fixedly connected with the connecting rods. Supports are fixedly arranged at the bottom ends of the fixing base and the fixing plate, a first rotating rod is rotationally embedded in the support located on the fixing base in a penetrating mode, a second rotating rod is rotationally embedded in the support located on the fixing plate in a penetrating mode, and the first rotating rod and the second rotating rod are fixedly sleeved with a plurality of rotary blades in an array mode. The width of the device can be adjusted according to the actual condition of the land, so that the device can be suitable for being used in different lands, meanwhile, the rotary tillage efficiency of the device is guaranteed, and the practicability and applicability of the device are effectively improved.

The utility model provides a soil loosening depth adjusting device for a subsoiler, and belongs to the technical field of subsoilers. The scarification depth adjusting device for the subsoiler comprises a scarification rack and an adjusting mechanism, a plow arm is installed on the front face of the scarification rack, an installation frame is installed at the top of the scarification rack, a cutter is installed at the top of the plow arm, an installation cutter frame is installed at the top of the cutter, a fixing frame is installed at the top of the plow arm, and a threaded pin is located at the top of the fixing frame. The bottom of the threaded pin penetrates into the fixing frame and is connected with the top of the mounting tool rest, and the threaded pin is in threaded connection with the fixing frame. The soil loosening depth of the cutter can be conveniently adjusted after the height of the cutter is adjusted, and the cutter can be driven to adjust the soil loosening depth, so that the phenomenon that some cutters of different models are frequently reserved when the subsoiler is used can be avoided, and the practicability of the subsoiler is improved.