35results about How to "Reduce Tillage Resistance" patented technology

The invention provides a straw shredding and deep-burying and returning machine for improving a soil plough layer structure. The returning machine comprises a rack, a suspension device, a gearbox, a transmission mechanism, a fertilizer apparatus, a ditching device, a hammer shredding device, a screw conveying device and a stubble cleaning device. The screw conveying device comprises a screw conveying cylinder and a screw conveying roller. After shredded by the hammer shredding device, straw is beaten by a hammer to scatter into the screw conveying roller, and at the same time, fertilizer in the fertilizer apparatus is discharged into the screw conveying cylinder. The fertilizer and the straw are stirred by a left screw auger steel sheet and a right screw auger steel sheet which are located on the screw conveying roller, evenly mixed and jointly discharged into furrows made by the ditching device, so that the straw decomposition is accelerated, humification is conducted, and the soil structure is improved. According to the straw shredding and deep-burying and returning machine for improving the soil plough layer structure, one-time operation can finish the work of ditching, straw shredding, rotary tillage, fertilization, straw deep-burying, earthing and stubble cleaning, so that the labor intensity is reduced, the working efficiency is improved, and the production cost is reduced.

The invention belongs to the field of agricultural machines, and relates to a combined excavation type low-resistance long-tuber medicine harvester. The harvester comprises an excavating device, a separating device, a soil pulverizing device and a shaking device. The excavating device adopts the combination mode and comprises a rotating hoe excavating device and a rear tipping container tooth-typeframe digger blade. The separating device is a rod-type lifting transporting chain and is located behind the excavating device and distributed in the rear upward-inclined mode. The shaking device isinstalled inside the middle of the separating device. During harvesting, upper layer soil cuts throwing soil behind the rotating hoe excavating device, the soil throwing direction of the rotating hoeis opposite to the machine advancing direction, no resistance of the untilled land on the hoe is borne, the problem that the machine resistance is excessively large due to the deep large tillage can be effectively reduced, and lower layer soil is excavated by the rear tipping container tooth-type frame digger blade. The harvester can achieve low-resistance mechanical harvesting of long-tuber medicine.

The invention relates to a soil structure conditioner used for shajiang black soil. The soil structure conditioner is prepared from raw materials of biomass charcoal particles with particular diameter being 1-3mm, humic acid and / or humic acid salty powder which accounts for 2-5% of the weight of the biomass charcoal particles, ferric oxide powder which accounts for 2-5% of the weight of the biomass charcoal particles and water which accounts for 20-40% of the weight of the biomass charcoal particles. By adopting the soil structure conditioner to improve the shajiang black soil, the number of the macro aggregate of the soil can be improved, the permeability of the soil can be improved, the viscidity of the soil can be reduced, the tillage resistance can be reduced, the suitable tilling period can be prolonged, the specific retention of the soil can be increased, the fertility of the soil can be improved, and the crop yield can be increased; the number of carbon sequestration of the soil can also be increased. Meanwhile, the method is simple and easy to do, the cost is low, the effect is obvious and lasting, and the soil structure conditioner is easy to apply in a large area.

The invention relates to a united pneumatic deep-scarification soil-preparation fertilizer applying machine, and belongs to the field of agricultural machinery. The united pneumatic deep-scarification soil-preparation fertilizer applying machine comprises a front-part deep scarification device, a rear-part deep scarification device, an air generating device, gas fertilizer applying devices, gas-gas connecting devices, a soil crushing and soil leveling device, a depth adjusting device, a traction device and a machine frame, wherein the front-part deep scarification device is arranged on the front lower side of the machine frame; the rear-part deep scarification device is arranged on the rear lower side of the machine frame; the air generating device is arranged on the front upper side of the machine frame; the gas fertilizer applying devices are arranged on the middle and upper side of the machine frame; the gas-gas connecting devices are fixedly connected to a rear beam 3 of the machine frame; the soil crushing and soil leveling device is arranged behind the machine frame; the depth adjusting device is arranged on two sides of the front part of the machine frame; and the traction device is arranged at the front part of the machine frame and is connected with a connecting device of a tractor. According to the united pneumatic deep-scarification soil-preparation fertilizer applying machine disclosed by the invention, layered deep scarification, soil preparation and fertilizer application not only can be separately performed but also can be performed at the same time, so that traction resistance on machinery can be effectively reduced, the energy consumption is reduced, and soil is scarification.

An anti-drag low-soil-disturbance bionic subsoiler belongs to the technical field of agricultural machinery and is characterized in that 10-25 triangular prisms I evenly distributed are fixedly and symmetrically connected to two sides of a base from bottom to top within the total height, the triangular prisms I in operating state are arranged with vertical axes parallel to the horizontal direction, and the lowermost triangular prism I is 10-30 mm away from the bottom end of the base; 3-10 triangular prisms II evenly distributed are fixedly and symmetrically fixed to the upper surfaces of leftand right wings of a dual-wing tip; length 110 of the triangular prisms II and I varies with lengths of the left wing 4 and right wing 6 of the dual-wing tip B; the cross section of each of the two types of triangular prism is in isosceles triangle shape; a ratio of spacing of every two triangular prisms to their height is 0.5-0.6; included angle beta 1 between a slant of the front end of each triangular prism and the horizontal plane is 15-30 degrees. The anti-drag low-soil-disturbance bionic subsoiler has the advantages that tilling drag can be reduced, economic benefit of conservation tillage is increased, soil disturbance coefficient occurred is very small, the soil structure is good for growths of roots, and stress tolerance of crops can be improved.

The invention relates to the field of agricultural machinery and relates to an anti-drag subsoiling and intertilling device allowing quick replacement of subsoiling and intertilling shovel points. The device comprises an anti-drag unit (1) and a quick replacement unit (2), wherein the anti-drag unit (1) comprises a first fixed seat (11), a second fixed seat (12), a spring assembly body (13) and a connecting plate (14); the quick replacement unit (2) comprises a shovel shaft (21), a transfer assembly body (22) and the intertilling shovel point (23) or subsoiling shovel point (24); one end of the spring assembly body (13) and the first fixed seat (11) form rotational connection through a hinge pin; the connecting plate (14), the other end of the spring assembly body (13) and the second fixed seat (12) form rotational connection through a hinge pin, and the connecting plate (14) is fixedly connected with the upper part of the shovel shaft (21); the transfer assembly body (22) is fixedly connected to the lower part of the shovel shaft (21); the subsoiling and intertilling shovel points are quickly replaced by the aid of the transfer assembly body (22). The device is time-saving, the machine utilization rate is high, the cultivation drag is decreased, and the power consumption is reduced.

The invention relates to a sweet potato harvesting method and a sweet potato harvester. The sweet potato harvesting method comprises the following steps of: (1) pressing and loosening ridges and cutting potato vines; (2) gathering the cut potato vines at the middle parts of the ridges; (3) loosening the ridges and lifting upturned soil by using a digging shovel set; (4) clamping the potato vines and continuously lifting the potato vines; (5) picking off the potatoes by using a fruit picking plate when the potato vines and the potatoes are conveyed backwards; and (6) crushing the potato vines which are continuously conveyed backwards by using a crushing roll. The sweet potato harvester comprises a frame, wherein the rear end at the bottom of the frame is provided with supporting and conveying wheels; the bottom of the frame is provided with two working sets; each working set comprises a pressing wheel, a disc cutter, an offset rotary harrow, a vibrating digging shovel set, the fruit picking plate and the crushing roll; the top of the frame is provided with a gearbox which is connected with a truck tractor; and the gearbox is in transmission connection with a clamping and conveying chain controlled by an opening and closing control wheel. The method and the harvester can greatly reduce the power consumption for separating the potatoes from soil and can be widely applied to harvesting of various potato crops.

The invention discloses a self-excited vibration type arc layering subsoiler comprising a self-excited vibrator, an arc layering subsoiler, and a subsoiler fixing device; the self-excited vibrator comprises a spring fixing plate, a screw rod, a spring end cover fixing nut, a spring end cover, a spring, a spring sleeve, and a vibration plate; the arc layering subsoiler comprises a spade point fixing bolt, a lower subsoiler point, an upper subsoiler point, and an arc laying subsoiler handle; the subsoiler fixing device comprises a subsoiler fixing rack and a pin; the arc layering subsoiler is connected with a frame through the subsoiler fixing device; in work, the upper subsoiler point is in a plowing layer; the lower subsoiler point is in a plow pan and below the plow pan, thus doing layering subsoilling for the farmland; in addition, the subsoiler and the self-excited vibrator interacts, so the subsoiler can vibrate back and forth in a -3 degree-3 degree scope. The self-excited vibration type arc layering subsoiler is suitable for farmland subsoilling work, can save energy and reduce resistance, and can improve soil water storage moisture reservation capacity.

The invention relates to an agricultural machine, in particular to a vibrating grass-cutting slotted machine which is used by matching with a tractor. The invention aims at providing the vibrating grass-cutting slotted machine, which can reduce the plowing resistance under the action of a vibrating system and can shut the slot under the action of a soil-rolling system, thus facilitating the vibrating grass-cutting slotted machine to expand the operational span for protecting the slot. The vibrating grass-cutting slotted machine comprises a gearbox (1) and a stander(3), and is characterized in that a cutting system which comprises a cutting disc (5) is fixed on a falsework (7); the vibrating system comprises a crank connecting rod component (2) fixed on the stander (3); the front end of the falsework (7) is fixed on the front end of the stander (3) by an axis pin (3), and the rear end of the falsework (7) is connected with the crank connecting rod component (2); the gearbox(1) is connected with the vibrating system for distributing power; a soil-rolling adjusting system comprises a supporting wheel (9) fixed on the stander (3) and a soil-rolling wheel (4).

The invention discloses a hydraulic excitation and overload protection subsoiling device with a controllable penetrating angle. An upper suspension plate is welded to a rack, and a lower suspension plate is welded to the rack; one end of a connecting rack is fixedly connected with the rack, and the other end of the connecting rack is hinged with a four-bar mechanism; one end of a hydraulic cylinder is hinged with the upper suspension plate, and the other end of the hydraulic cylinder is hinged with the four-bar mechanism; the four-bar mechanism is hinged with a subsoiling shovel, and a hydraulic oil passage is connected with an electromagnetic proportional reversing valve; a pin shaft sensor is arranged at a hinge joint of the hydraulic cylinder and the four-bar mechanism, and a connectingrack angle sensor is fixedly arranged on the connecting rack; a subsoiling shovel shaft angle sensor is fixedly arranged on the subsoiling shovel, and the hydraulic oil passage is connected with a hydraulic output port of a tractor; a shaft pin sensor, a rack angle sensor, a subsoiling shovel angle sensor, and a three-position four-way electromagnetic proportional reversing valve are respectivelyconnected with a controller. The hydraulic excitation and overload protection subsoiling device with the controllable penetrating angle disclosed by the invention can effectively solve the wide-rangeadjustment problem of the penetrating angle in the subsoiling shovel operation process, realize the hydraulic self-excitation of the subsoiling shovel, and can also play a role of overload protection.

The invention relates to the field of agricultural machinery and relates to an anti-drag subsoiling and intertilling device allowing quick replacement of subsoiling and intertilling shovel points. The device comprises an anti-drag unit (1) and a quick replacement unit (2), wherein the anti-drag unit (1) comprises a first fixed seat (11), a second fixed seat (12), a spring assembly body (13) and a connecting plate (14); the quick replacement unit (2) comprises a shovel shaft (21), a transfer assembly body (22) and the intertilling shovel point (23) or subsoiling shovel point (24); one end of the spring assembly body (13) and the first fixed seat (11) form rotational connection through a hinge pin; the connecting plate (14), the other end of the spring assembly body (13) and the second fixed seat (12) form rotational connection through a hinge pin, and the connecting plate (14) is fixedly connected with the upper part of the shovel shaft (21); the transfer assembly body (22) is fixedly connected to the lower part of the shovel shaft (21); the subsoiling and intertilling shovel points are quickly replaced by the aid of the transfer assembly body (22). The device is time-saving, the machine utilization rate is high, the cultivation drag is decreased, and the power consumption is reduced.

The invention relates to a self-excited vibration drag-reduction intertillage hiller, and belongs to the field of agricultural machinery. The hiller comprises a shovel tip, a shovel chest, a connecting plate, a fixing plate, a shovel handle, a hilling plate, a positioning block and a self-excited vibration device, wherein the fixing plate is arranged in the middle of the shovel handle; the hillingplate is installed on the fixing plate; the connecting plate is hinged to the shovel handle below the fixing plate; the positioning block is installed at the lower end of the shovel handle; the shovel tip is connected with the self-excited vibration device capable of driving the shovel tip to vibrate; the self-excited vibration device is hinged to the positioning block; and the shovel chest is arranged on the upper end face of the shovel tip. During intertillage hilling, the interaction force between the self-excited vibration device and the shovel tip is continuously changed, so that the shovel tip vibrates within a certain range, more favorable cutting conditions and a more favorable stress state for soil crushing are generated, self-excited vibration can be generated without applying additional exciting force, the tillage resistance in the intertillage hilling operation process is effectively reduced, the power consumption in the intertillage hilling process is reduced, and the effects of saving energy and protecting the environment are achieved.

The invention discloses a plough capable of achieving surface ploughing and deep digging and belongs to the technical field of agricultural machinery. According to the technical scheme, the plough capable of achieving surface ploughing and deep digging includes a main plough body, a traction rack, an overturning oil cylinder, supports, a large beam and depth limiting wheels; the supports are installed on the large beam at intervals, the main plough body is symmetrically installed on the large beam through the supports, the traction rack is installed at the front end of the large beam, the overturning oil cylinder is installed on the large beam and is close to the traction rack, and the depth limiting wheels are symmetrically arranged on the two sides of the large beam. The plough has the advantages that the structure is simple, ploughing resistance and power consumption of a tractor are reduced, a hard ploughing bottom layer is broken thoroughly, a sponge area of a ploughing layer is formed, the capability of soil to store water and preserve moisture is enhanced, the area where crop roots freely grow is expanded, and the yield of crops is increased.

The invention relates to a sweet potato harvesting method and a sweet potato harvester. The sweet potato harvesting method comprises the following steps of: (1) pressing and loosening ridges and cutting potato vines; (2) gathering the cut potato vines at the middle parts of the ridges; (3) loosening the ridges and lifting upturned soil by using a digging shovel set; (4) clamping the potato vines and continuously lifting the potato vines; (5) picking off the potatoes by using a fruit picking plate when the potato vines and the potatoes are conveyed backwards; and (6) crushing the potato vines which are continuously conveyed backwards by using a crushing roll. The sweet potato harvester comprises a frame, wherein the rear end at the bottom of the frame is provided with supporting and conveying wheels; the bottom of the frame is provided with two working sets; each working set comprises a pressing wheel, a disc cutter, an offset rotary harrow, a vibrating digging shovel set, the fruit picking plate and the crushing roll; the top of the frame is provided with a gearbox which is connected with a truck tractor; and the gearbox is in transmission connection with a clamping and conveying chain controlled by an opening and closing control wheel. The method and the harvester can greatly reduce the power consumption for separating the potatoes from soil and can be widely applied to harvesting of various potato crops.

The invention relates to a high-pressure gas desorption visbreaking rotary tillage cutter which comprises a pneumatic sliding ring, a hollow tool shaft, a cavity tool rest and a hollow tool. The hollow tool shaft is rotatably connected with a machine frame, the pneumatic sliding ring is mounted between the hollow tool shaft and the machine frame, the cavity tool rest is mounted on the hollow toolshaft, the hollow tool is mounted on the cavity tool rest, cavities are formed in the pneumatic sliding ring, the hollow tool shaft, the cavity tool rest and the hollow tool, the cavities of the pneumatic sliding ring, the hollow tool shaft, the cavity tool rest and the hollow tool are sequentially communicated, a gas pipe joint is arranged on the pneumatic sliding ring, and a plurality of uniformly distributed gas outlet holes are formed in a soil-engaging component of the hollow tool. The invention further relates to a rotary tiller and a rotary tillage method thereof, and belongs to the technical field of agricultural equipment. High-pressure gas is blown out from the gas outlet holes of the hollow tool, soil is directly blown away, and adhesion is decreased. Along with high-speed rotation of the rotary tillage cutter, the high-pressure gas forms an air isolation film between the rotary tillage cutter and the soil, and soil adhesion is decreased.

The invention relates to a sub-soiling shovel. The sub-soiling shovel consists of a shovel handle, a shovel tip fixed at the bottom of the shovel handle and a pair of wing shovels symmetrically arranged on the left and right sides of the shovel tip; the front end face of the shovel handle is designed with a farming drag reduction structure which is a soil guiding plate fixed on the front end faceof the shovel handle, and the two sides on the front end face of the soil guiding plate are inclined; the upper surfaces of the wing shovels are also designed with the farming drag reduction structures, the drag reduction structures are six wavy strips that are different in length, are fixed on the surfaces of the wing shovels and are equidistantly distributed along the length directions of the wing shovels, and the tops of the wavy strips are in arc shapes; the surface of the shovel tip is designed with the farming drag reduction structure as well, the farming drag reduction structure imitates the body surface geometrical features of soil cave animals and aquatic scallops and is designed as ribs equidistantly distributed on the surface of the shovel tip, and bumps are uniformly distributed on the surfaces of the ribs so as to further play the role of crushing and removing soil to achieve drag reduction effects; the edges of the wing shovels are in S shapes; and the bottom surface of the shovel tip is an arc-shaped curved surface, so that high-to-low smooth transition from the front end to the rear end of the shovel tip can be realized. The related sub-soiling shovel is small in cultivation resistance, so that soil can be easily loosened and broken, and the sub-soiling quality of the soil can be enhanced.

The invention discloses a bionic drag-reduction subsoiler with low soil disturbance, belonging to the technical field of agricultural machinery. According to the invention, a shovel handle is fixedlyconnected with and arranged at the upper end of a base body and is perpendicular to the horizontal plane; a shovel blade is fixedly connected with and arranged at the front surface of the base body; ashovel tip is fixedly connected with and arranged at the front end of the base body; 40-44 convex prisms of left and right convex prism groups are uniformly distributed and fixedly connected with theleft and right sides of the base body; the convex prisms are parallel to the horizontal plane; the rear end surfaces of the left and right convex prisms are on the same vertical plane; and the crosssections of the convex prisms are isosceles trapezoids with fillets. In the working process of the bionic drag-reduction subsoiler, gaps can be formed when convex prism structures make contact with soil, and a generated normal adhesive force is far larger than a tangential adhesive force, so adhesion of an interface is damaged, and resistance is reduced. The bionic drag-reduction subsoiler provided by the invention is small in operation resistance, low in energy consumption, high in working efficiency, small in soil disturbance coefficient and capable of improving economic benefits of protective cultivation.

The invention belongs to the technical field of agricultural soil fertilizing, and particularly relates to a soil structure improving agent for heavy soil. The soil structure improving agent is prepared by mixing the following raw materials: biomass charcoal particles with particle size of 1 to 3mm, humic acid and / or humate powder, and water, wherein the weight of the humic acid and / or humate powder is equivalent to 4 to 6% of the weight of biomass charcoal particle, and the weight of the water is equivalent to 5 to 35% of the weight of biomass charcoal particle. The soil structure improving agent provided by the invention has the advantages that the heavy soil is improved, the number of soil large aggregates is increased, the soil permeability is improved, the soil viscosity is reduced, the tillage drag is reduced, the proper tillage period is prolonged, the soil water retaining rate is improved, the soil fertility is improved, the crop output is increased, and the number of carbon sequestration by soil is increased; the method is simple, the implementing is easy, the cost is low, the effect is obvious and lasting, and the soil structure improving agent is suitable for large-area popularizing and applying.

The invention provides a farming machine capable of realizing laminated cutting, which comprises a suspension hanger frame, a front-row cross beam, a front-row clamping plate, a back-row cross beam, a back-row clamping plate, a transverse straining beam, a transverse clamping plate, sharp-bending beams, a land-wheel vertical bracket, a land wheel, a pull head oscillating shaft, a transverse bracket of the land wheel, a depth adjusting screw rod of the land wheel, a land wheel adjusting support, a square clamp, a crank arm of the transverse straining beam, a telescopic rod, a spring, an adjusting support, straining seats of the sharp-bending beams, pull heads of the sharp-bending beams, plough columns, plough shares, a soil separating plate, a plough heel and a bracket of the plough heel and is characterized in that the front-row cross beam and the back-row cross beam are connected with the transverse straining beam; the sharp-bending beams are respectively fixed and connected with the front-row cross beam and the back-row cross beam through the pull heads of the sharp-bending beams and the clamping plates; a plurality of plough columns are uniformly fixed on the straining seats of the sharp-bending beams; the plough shares are fixed at the lower ends of all the plough columns; and the lateral dimensions of the plough shares sequentially narrow down from front to back, and the heights of the plough shares are gradually reduced from front to back, so that the plough shares form the laminated cutting. The farming machine has the following beneficial effects that as the farming method of gradually deepening and laminated cutting by the plurality of plough shares is adopted, the ideal farming depth and the ideal clod breaking effect can be achieved, the farming resistance is obviously reduced, repeated operations such as turning up the soil, deeply loosening the soil, ridging, rotary tillage, seeding, fertilizing and the like can be completed at one time; therefore.

The invention relates to a high-pressure gas desorption visbreaking rotary tillage cutter which comprises a pneumatic sliding ring, a hollow tool shaft, a cavity tool rest and a hollow tool. The hollow tool shaft is rotatably connected with a machine frame, the pneumatic sliding ring is mounted between the hollow tool shaft and the machine frame, the cavity tool rest is mounted on the hollow toolshaft, the hollow tool is mounted on the cavity tool rest, cavities are formed in the pneumatic sliding ring, the hollow tool shaft, the cavity tool rest and the hollow tool, the cavities of the pneumatic sliding ring, the hollow tool shaft, the cavity tool rest and the hollow tool are sequentially communicated, a gas pipe joint is arranged on the pneumatic sliding ring, and a plurality of uniformly distributed gas outlet holes are formed in a soil-engaging component of the hollow tool. The invention further relates to a rotary tiller and a rotary tillage method thereof, and belongs to the technical field of agricultural equipment. High-pressure gas is blown out from the gas outlet holes of the hollow tool, soil is directly blown away, and adhesion is decreased. Along with high-speed rotation of the rotary tillage cutter, the high-pressure gas forms an air isolation film between the rotary tillage cutter and the soil, and soil adhesion is decreased.

A resistance-decreasing bionic shovel shaft for loosening soil deeply is composed of a connection segment for connecting machine frame, working segment and shovel tip connecting segment. It features that the ratio of the forwad extended quantity of shovel shaft to the loosened depth is 0.68-0.95, the equation for determining the internal and external reference curves of said working segment is disclosed, and the resistance is decreased by 3-8%.

The invention belongs to agricultural land cultivating machinery and particularly relates to a vibrating subsoiler with adjustable spring pre-tightening force. The vibrating subsoiler with the adjustable spring pre-tightening force comprises a machine frame (1), depth wheel assemblies (2), self-excited vibration units (4) and a three-point linkage device (8), wherein the three-point linkage device (8) is arranged on the machine frame (1), and the vibrating subsoiler with the adjustable spring pre-tightening force is connected with a tractor through the three-point linkage device (8); the depth wheel assemblies (2) are fixed to the two sides of the machine frame (1) through U-shaped bolts (3); the self-excited vibration units (4) are fixed to the machine frame (1). The vibrating subsoiler with the adjustable spring pre-tightening force can reduce cultivation resistance thereto and power consumption of the tractor, adapt to soil in different regions and enhance universality of application regions.

The invention relates to a high-efficiency energy-saving bidirectional double-furrow plough without a regulating wheel, relating to a tilting double-furrow plough without a regulating wheel, comprising a main beam, a front furrow plough, a rear furrow plough, a rotating shaft, a control lever, longitudinal frame plates and an adjusting plate. The rotating shaft is sleeved at the back of the main beam, the front furrow plough and the rear furrow plough are mounted at both gradient lower sides of the rotating shaft, the control lever is fixed above the front of the rotating shaft and matched with a baffle frame arranged on the main beam, the longitudinal frame plates are fixed at both sides of the front end of the main beam through a transversal frame plate and provided with longitudinal adjusting holes, the adjusting plate is fixedly connected with the longitudinal frame plates through adjusting shafts, adjusting screws of the adjusting plate are arranged in the adjusting holes, and the front part of the adjusting plate is connected with a tractor. The invention has the advantages of omitting adjusting wheel, lifting plough legs, saving materials, having less tilting resistance, reducing oil consumption, decreasing the operation cost, avoiding straw winding and improving the directional tilting efficiency, operates stably, has stable operation, high tilting quality, good effect on covering crop stubble and straw and facilitates subsequent field operation.

The invention discloses a triangular arc-shaped shovel handle based chisel-shaped sub-soiling shovel with wings. The sub-soiling shovel is characterized in that the sub-soiling shovel includes a triangular arc-shaped shovel handle, a fixing bolt, a chisel-shaped shovel tip, shovel wings and fixing nuts; the chisel-shaped shovel tip and the shovel wings form a sub-soiling shovel body, and the sub-soiling shovel body is installed on a sub-soiling shovel handle through the fixing bolt in a hexagonal flower-shaped countersunk head threaded hole; the cross section of the soil-cutting part of the shovel handle is in a triangle shape, so that the soil-cutting angle is small, and tillage resistance can be reduced; a straight rectangular shovel handle is provided with equidistant installation pin holes, and tillage depths can be adjusted through the relative positions of a connecting plate and the installation pin holes. The purpose for providing the chisel-shaped sub-soiling shovel with wingsis realized, and the chisel-shaped is small in soil-cutting angle and convenient in soil cutting and can reduce tillage resistance can be realized; and therefore, sub-soiling operation requirements for reducing tillage resistance and enhancing surface smoothness can be met.

The invention relates to a sliding-cutting type resistance-reducing deep loosening shovel in the field of agricultural ploughing and soil preparation machinery. The sliding-cutting type resistance-reducing deep loosening shovel comprises a shovel handle and a copy shovel point connected to the shovel handle through bolts, and is characterized in that: an included angle (alpha) between a shovel point mounted plane (RC) of a shovel point connecting section and the horizontal plane is 20-24 degrees; a sliding-cutting angle (beta) formed between a tangent line of an internal directrix (BC) of a hook-shaped working section at an upper end point (B) and the vertical plane is 30-40 degrees; and the internal directrix (BC) of the hook-shaped working section is a curve formed according to a polynomial equation. Compared with the conventional other types of deep loosening shovels in the market, the sliding-cutting type resistance-reducing deep loosening shovel has the advantages that: the farming resistance is reduced, and the working resistance is obviously reduced particularly when the deep loosening depth and the operating speed are increased, so that energy is saved; meanwhile, large soil blocks and large gaps formed on the earth's surface after deep loosening operation are reduced, so that the earth's surface is flat and the loss of soil and water is prevented.

The invention relates to a vibration deep loosening mechanism. The vibration deep loosening mechanism is characterized by consisting of a cam mechanism, a locking mechanism and a deep loosening device; the cam mechanism consists of a straight gear with a projection, a conversion cam, a gear shaft and a guide rod; the locking mechanism consists of a locking shaft, a bearing I, a locking outer ring, a locking inner ring, a cylinder, a sleeve, a locking switch and a bearing II; and the deep loosening device consists of a shovel handle, a shovel tip and a shovel wing. The vibration deep loosening mechanism adopts the cam mechanism to convert rotation of the gear shaft to up-down linear movement of the deep loosening device, improves the energy utilization rate, is excellent in soil loosening effect and uniform in cultivation, relieves wear of the shovel tip, can realize two cultivation modes (selected according to plant plantation modes and requirements) of the deep loosening shovel by the locking mechanism, can realize resistance reduction and consumption reduction through vibration, can finish intertillage, and achieves excellent cultivation effect.