34results about How to "Improve the effect of rotary tillage" patented technology

The invention relates to the technical field of agricultural machinery and particularly relates to a rotary tiller. The rotary tiller comprises a vehicle frame, a power traction device and a rotary tillage device, wherein the power traction device is arranged in the front of the vehicle frame, and the rotary tillage device is arranged in the back of the vehicle frame; and the rotary tillage device comprises a transmission frame, a transmission mechanism, a rotary knife assembly and a protective hood, the transmission frame is fixedly connected onto the vehicle frame, the transmission mechanism is arranged in the transmission frame and drives the rotary knife assembly to rotate, the rotary knife assembly comprises a knife shaft and rotary knives rotating along with the knife shaft, cutting knives are arranged in the protective hood, each cutting knife is arranged between every two adjacent rotary knives, one end of each cutting knife is connected with a reciprocating push mechanism, the other end of each cutting knife is pointed to the axis of the knife shaft, and the reciprocating push mechanisms are arranged at the outer side of the protective hood and drive the cutting knives to reciprocate along the radial direction of the knife shaft. According to the rotary tiller, soil blocks or weeds attached to the rotary knives can be effectively stripped or chopped, so that the hacking performance and rotary tillage effect are improved; and the depth of soil piercing of the rotary knives can be adjusted, so that the resistance to the soil piercing of the rotary knives is low, and the power consumption of cutting and soil crushing of the rotary knives is lowered.

The invention discloses an easy-to-install rotary cultivator cutter shaft assembly comprising a shaft pipe. Two ends of the shaft pipe are provided with a pipe through hole; internal baffle blocks are evenly welded on the peripheral inner wall of the pipe through hole; thread holes are formed on the peripheral outer wall of the pipe through hole; an external ring sleeve and a fixing column are vertically welded in the center of the other side wall of a connection welding member; internal baffle grooves are evenly formed in the side wall of the fixing column; the internal baffle blocks are placed in the internal baffle grooves; and an end port of a bolt passes through the thread hole and extends to the through hole. A pipe orifice is right clamped in the annular groove, so weeds cannot enter a seam between the shaft head and the shaft pipe; weed winding can be avoided and service life of the cutter shaft can be prolonged; the shaft pipe is in a threaded connection with the shaft head; the structure can be conveniently assembled and disassembled and low manufacturing cost is achieved; a loose problem can be prevented; the internal baffle blocks are embedded into the internal baffle grooves; the rotary cutters are staggered, so soil-penetrating resistance of blades can be reduced; and the soil after the rotary cultivation cannot knot, so rotary cultivation effect can be greatly improved.

The invention provides a multifunctional rotary cultivator which comprises a rack, a turnplate and a guide frame. The guide frame comprises a first guide frame, a second guide frame, a guide wheel, an armrest frame, a first rotating shaft, a connecting frame component, a second rotating shaft, a driving wheel, a first rotary cultivation blade, a second rotary cultivation blade and a motor. The first rotating shaft penetrates the rack, two ends of the first rotating shaft are connected with the armrest frame and the second guide frame respectively, the first rotary cultivation blade comprises a first body portion, a first blade and a second blade, the second rotary cultivation blade comprises a second body portion, a third blade and a fourth blade, the first blade and the fourth blade form a first rotary cultivation structure, and the second blade and the fourth blade form a second rotary cultivation structure. The multifunctional rotary cultivator solves the technical problems of low flexibility and low rotary cultivation efficiency in related art.

The invention discloses a bilateral-rotation crawler-type protective combined tillage machine. The bilateral-rotation crawler-type protective combined tillage machine comprises a rack, a crawler mechanism, an engine on the rack, a cab on the rack, a rotary tillage support at one end of the rack, rotary blade rollers and a rotary tillage speed change box connected with the rotary blade rollers, wherein the crawler mechanism is arranged on the rack and used for walking, and the rotary blade rollers are arranged on the rotary tillage support and used for rotary tillage. The bilateral-rotation crawler-type protective combined tillage machine further comprises a middle speed change box, and the middle speed change box is connected with the engine and the rotary tillage speed change box at the same time and used for controlling the rotary blade rollers to rotate forwardly or reversely in the rotary tillage process. The bilateral-rotation crawler-type protective combined tillage machine is simple in structure and easy to manufacture, a rotary cultivator can carry out forward rotary tillage or reverse rotary tillage according to actual needs, the function of burying and covering green manure and straw stubbles is achieved in the reverse rotating process, the rotary tillage effect is good, and work efficiency is high.

The invention relates to the technical field of agricultural machinery and particularly relates to a rotary tillage device of a rotary tiller. The rotary tillage device comprises a transmission frame, a transmission mechanism, a rotary knife assembly and a protective hood, wherein the transmission frame is fixedly connected onto a vehicle frame, the transmission mechanism is arranged in the transmission frame and drives the rotary knife assembly to rotate, the rotary knife assembly comprises a knife shaft and rotary knives rotating along with the knife shaft, cutting knives are arranged in the protective hood, each cutting knife is arranged between every two adjacent rotary knives, and saw teeth are arranged on the cutting knives and are obliquely arranged on the cutting knives; and one end of each cutting knife is connected with a reciprocating push mechanism, the other end of each cutting knife is pointed to the axis of the knife shaft, and the reciprocating push mechanisms are arranged at the outer side of the protective hood and drive the cutting knives to reciprocate along the radial direction of the knife shaft. According to the rotary tillage device of the rotary tiller, soil blocks or weeds attached to the rotary knives can be effectively stripped or chopped, so that the hacking performance and rotary tillage effect are improved; and the depth of soil piercing of the rotary knives can be adjusted, so that the resistance to the soil piercing of the rotary knives is low, and the power consumption of cutting and soil crushing of the rotary knives is lowered.

The invention relates to a rotary tiller blade shaft assembly, and belongs to the technical field of agricultural machine components. The rotary tiller blade shaft assembly comprises a blade shaft, rotary blade bases, rotary blades and grass-preventing rings, wherein assembly discs are fixedly installed on the blade shaft at intervals, the rotary blade bases are welded between the circumferences of the assembly discs, rotary blades are welded to the rotary blade bases, and the grass-preventing rings are arranged at the two ends of the blade shaft respectively; corner blades and grass cutting blades are evenly distributed on the circumferences of the assembly discs close to the grass-preventing rings, the rotary blade bases of the rotary tiller blade shaft assembly are installed on the blade shaft in a staggered mode, and the rotary blades are oppositely installed on the adjacent rotary blade bases. Soil penetration resistance of the blades is small, soil does not harden after rotary tillage, and the rotary tillage effect is greatly improved. The rotary tiller blade shaft assembly is adaptable to rotary tillage operation on upland fields and paddy fields, and reduces cost of investment in agricultural machines by farmers. The rotary blades are pentagonal, abrasion can be effectively reduced, and the service life can be prolonged.

The invention belongs to the technical field of agricultural machinery, in particular to a rotary tiller with anti-breakage, anti-grass wrapping and high soil turning efficiency, comprising a rotary tiller handle, the upper part of the rotary tiller handle is provided with a fixing hole, and the rotary tiller A rotary tiller is arranged under the handle of the knife, and an anti-grass device is also arranged between the rotary tiller and the handle of the rotary tiller. The rotary tiller includes a cutting portion, an entry point, and an expanding portion. A soil-turning structure is provided, and the purpose of effectively preventing weeds from entangling the rotary cultivator is achieved by the anti-grass device arranged on the rotary tiller blade. The good purpose is to achieve better strength and better rotary tillage effect without increasing the material consumption by setting the appropriate angle between the rotary tiller handle and the cutting part, the cutting part and the expanding part, saving The cost is reduced, and the hidden dangers of safety are reduced at the same time, and it has high application value and promotion.

The invention relates to the technical field of crop planting, in particular to a soil-covering sowing device for crop planting, comprising a soil-covering module, the soil-covering module is fixedly connected with a leveling soil module and a seeding module, the soil-covering module includes a support shell, and the bottom surface of the support shell One side is fixedly connected with a side plate, and the side of the side plate is rotatably connected with a first rolling bar and a second rolling bar, and the sides of the first rolling bar and the second rolling bar are fixedly connected with a plurality of rotary knives. In the present invention, the first rolling rod and the second rolling rod are connected through the rotation of the side plate, and the transmission rod can drive the rotating rod to rotate through the first gear and the second gear, thereby driving the first rolling rod and the second rolling rod to rotate, and the rotation directions of the two are opposite , when the rotary knives on the first roller and the second roller are rotated, the soil and straw will first pass under the first roller and then be thrown from the top of the second roller to the rear of the second roller, so that the soil, straw and weeds can be removed from the top. Falling down onto the seed legs, soil, stalks and weeds will not easily block the seed legs.

The invention relates to the technical field of agricultural machinery and specifically relates to a sowing machine. The sowing machine comprises a frame, wherein a power draft gear, a rotary tillage device, a flat caking device and a sowing device are successively arranged on the frame along a driving direction; the rotary tillage device comprises a gear frame, a transmission mechanism, a rotary blade component and a protecting cover; the sowing device comprises a seed storage box, a fertilizer storage box, a seed conveying channel, a fertilizer conveying channel, a discharging channel, a seed rotary dialing piece and a fertilizer rotary dialing piece; the seed conveying channel is used for conveying seeds; the fertilizer conveying channel is used for conveying the fertilizer; the discharging channel is used for conveying the mixture of the seeds and fertilizers; the seed rotary dialing piece is arranged at an inlet of the seed conveying channel; the fertilizer rotary dialing piece is arranged at the inlet of the fertilizer conveying channel; the outlet of the seed conveying channel and the outlet of the fertilizer conveying channel are both communicated with the discharging channel; a valve is arranged on the discharging channel. The sowing machine can be used for rotary tillage, leveling, sowing and fertilization; the labor intensity of the peasant is relieved; the production efficiency is increased; the rotary tillage effect is excellent; the hack and weeding effects are excellent; the fertilization is uniform; the fertilizer utilization ratio is high; the survival rate of seeds is high.

The invention discloses an easy-adjustable multi-rotation general-purpose rotary cultivator, which includes a frame, a gearbox and a knife roller; the frame adopts a front and rear symmetrical structure, and can be connected to a tractor from the front or rear for operation; the variable speed The box includes a gearbox housing, a bevel gear train and a spur gear train; the bevel gear train includes two small bevel gears and two large bevel gears; each small bevel gear meshes with two large bevel gears at the same time, each large bevel gear The bevel gear meshes with two small bevel gears at the same time; the spur gear train includes a small spur gear, a large spur gear and an output spur gear, and the three are meshed sequentially from top to bottom; the small spur gear is set on the two large bevel gears In the cavity surrounded by the two small bevel gears, a first clutch and a second clutch are respectively arranged between the two ends of the small spur gear shaft and the two large bevel gears, and both clutches are provided with operating mechanisms. The invention adopts a symmetrical frame and a reversible gearbox to realize forward and reverse operation and forward and backward reversing operation, and improves the efficiency of rotary tillage operation.