30results about How to "Meet the agronomic requirements for transplanting" patented technology

The invention discloses a transplanting mechanism capable of implementing continuous perpendicular planting. The translating mechanism comprises a transmission box, a planting arm assembly, a planter and a cam starting mechanism, wherein the transmission box is fixed on a stander; three output shafts, an input shaft and two hanging shafts are arranged on the transmission box; the first output shaft, the second output shaft and the two hanging shafts are arranged on one side of the transmission box and are used for hanging the planting arm assembly and driving the planting arm assembly; the third output shaft and the input shaft are arranged on the other side of the transmission box; the third output shaft is used for mounting and driving the cam starting mechanism; the input shaft is connected with an output shaft of a planter handpiece; the planting arm assembly consists of a four-rod mechanism, a five-rod mechanism and two parallel mechanisms; the planter is hung on the planting arm assembly through a square shaft. The transplanting mechanism disclosed by the invention is compact in structure, has the advantages of low seedling injury rate, low seedling leakage rate, low seedling burying rate, low seedling exposure rate and high seedling growth rate and can completely meet an agriculture requirement on oilseed rape transplanting.

The invention discloses a rotary transplanting device of a pot seedling transplanting machine. Power is output by a sprocket shaft and transferred to a left planetary carrier system transplanting device and a right planetary carrier system transplanting device. A planetary carrier is driven by the sprocket shaft, a non-circular sun gear is fixedly connected with a sprocket box and is stationary in work, and a middle non-circular gear and a planetary non-circular gear are symmetrically arranged at both sides of the non-circular sun gear. The extending end of a planetary axle is upwards articulated with an inner half transplanting nozzle and an outer half transplanting nozzle which are respectively provided with a groove and a pin for realizing the centering opening of the transplanting nozzles. The transplanting nozzles are opened by the relative rotation of a roller on the inner half transplanting nozzle and an end surface cam fixed on the planetary carrier and closed by springs mounted on the inner half transplanting nozzle and the outer half transplanting nozzle. By a non-circular gear planetary system, the uniform rotation of the sprocket shaft is turned into the swinging absolute motion of the planetary axle to form an orbit and a stance which are needed by the transplanting nozzles on the planetary axle and satisfy the agricultural requirement of pot seedling transplantation.

The invention discloses a design method for forming a flower transplanting track by a two-stage non-circular gear five-bar driving mechanism. An existing transplanting mechanism track is not suitable for flower transplantation. The design method specifically comprises the following steps: firstly, constructing a two-stage non-circular gear five-bar driving mechanism, and establishing a free end point of a second connecting rod, so as to form a mathematical model of a double-buckle track; then reversely determining angular velocity change rules of a first crank and a second crank through the established mathematical model, designing a two-stage non-circular gear, and verifying whether the two-stage non-circular gear five-bar driving mechanism satisfies existence conditions of the double cranks. According to the design method, the angular velocity ratio of the first crank to the second crank is changed by adopting the two-stage non-circular gear five-bar driving mechanism, the double-buckle track is realized, so as to realize seedling taking and planting motions, the flower transplanting track can be realized, and full automatic transplantation of various crops such as fruits and vegetables can be realized.

The invention discloses a combined incompletely eccentrically circular and non-circular gear planetary train vegetable seedling pick-up mechanism. An existing pick-up mechanism gains a wide-range variation in a transmission ratio of a pick-up trajectory through a locking arc and has high transmission impact. In the mechanism, a center shaft and a planet carrier are fixed; a central incompletely eccentrically circular gear is fixed to a frame, a central incompletely non-circular gear is fixed to the central incompletely eccentrically circular gear, and both the two gears loosely sleeve the center shaft; a first middle non-circular gear is connected with a first middle shaft through splines, and a first middle incompletely non-circular gear is fixed to a first middle non-circular gear; a second middle non-circular gear is connected with a second middle shaft through splines, and a second middle incompletely non-circular gear is fixed to the second middle non-circular gear; a first planet non-circular gear is connected with a first planet shaft through splines, and a second planet non-circular gear is connected with a second planet shaft through splines; both one end of a first planet shaft and one end of the second planet shaft are fixed to a shell of a pick-up claw. This mechanism has stable transmission and low impact.

The invention discloses a cam-crank-rocker combined flower transplanting mechanism and a design method thereof. A planetary gear transplanting mechanism is limited in flexibility of realizing a trajectory; and a rod mechanism with a double-ring-buckle trajectory is difficult in design and parameter regulation. According to the mechanism provided by the invention, one ends of a cam and a crank are both hinged with a frame through a camshaft; the other end of the crank is hinged with the central part of a second connecting rod; a forked swing rod comprises a bottom-end-welded oscillating rod and a cam swing rod; two ends of a spring are separately connected with the forked swing rod and the frame; a roller is hinged with the top end of the cam swing rod and constitutes a cam pair with the cam; the top end of the oscillating rod is hinged with one end of a first connecting rod; and the other end of the first connecting rod is hinged with one end of the second connecting rod. The design method provided by the invention is as follows: the cam is reversely solved with a mathematical model of a single-ring-button trajectory formed by the terminal point of the free end of the second connecting rod, a coordinate of the hinge joint of the forked swing rod and the frame, and known conditions of rod lengths. According to the invention, through changing of the profile of the cam to control the movement law of a rocker, the single-ring-buckle trajectory is realized, and the mechanism is simple.

The invention discloses a coaxial double rod ejection type elliptical-incomplete non-circular and circular gear planetary system seedling slinging mechanism. The mechanism comprises a planet carrier, wherein a central incomplete non-circular gear, a central incomplete circular gear, a first middle elliptical gear, a first middle incomplete circular gear, a second middle elliptical gear, a second middle incomplete circular gear, a first planet elliptical gear, a second planet elliptical gear and two seedling slinging transplanting arms are supported on the planet carrier; each of the seedling slinging transplanting arms comprises a transplanting arm housing, a hollow loop bar is slidably arranged in the transplanting arm housing, and a solid push rod is slidably arranged in the hollow loop bar; a first limiting plate, a second limiting plate and an opening and closing mechanism are arranged on the hollow loop bar; and a double outline cam, a shifting fork and a trigger are hinged in the transplanting arm housing. By adopting a layout plan of the two transplanting arms, planet carrier rotates once to fetch the seedlings and eject twice, so that the work efficiency is high; and the mechanism can be suitable for seedling slinging operations of a seedling slinging machine in a paddy field and a dry land at any rotating speeds.

The invention discloses a cotton nutrition pot transplanting mechanism, comprising a hydraulic system, a primary pot feeding device, a secondary pot feeding device, a seedling planting device and the like. The core technology is that a manual direction control valve in the hydraulic system is utilized for controlling stretching of a hydraulic cylinder, so as to drive the primary pot feeding device hinged with the right end of the hydraulic cylinder to carry out right and left reciprocating motion; lower pot seedlings in a pot seedling plate are orderly fed to a vertical seedling guide tube of the secondary pot feeding device from right to left when the primary pot feeding device moves towards right; meanwhile, upper pot seedlings on the pot seedling plate orderly fall into the lower layer of the pot seedling plate from right to left; the lower pot seedlings on the pot seedling plate are orderly fed to the vertical seedling guide tube of the secondary pot feeding device from left to right when the primary pot feeding device moves towards left. The mechanism has the characteristics of being novel in structure, simple and convenient to adjust, and good in transplanting quality and the like, and has a broad application prospect.

The invention discloses a conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism and a designing method thereof. A planet gear system transplanting mechanism is limited in realizing track flexibility, and a rod mechanism with double stirrup tracks is difficult in parameter designing and adjusting. The conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism is characterized in that one ends of a first conjugate cam, a second conjugate cam and a crank are all hinged to a rack through a cam shaft, the other end of the crank is hinged to the middle of a second connecting rod, a first cam swing rod, a second cam swing rod and a swing rod are fixedly connected, the first cam swing rod is connected with the first conjugate cam through a first roller, the second cam swing rod is connected with the second conjugate cam through a second roller, and the swing rod is hinged to the second connecting rod through a first connecting rod. The designing method includes: reversely solving the conjugate cams through a mathematic model of single stirrup tracks formed by an end point of the free end of the second connecting rod, coordinates of a hinged point of a fork-shaped swing rod and the rack and known rod length conditions. The single stirrup tracks are realized by changing profile of the conjugate cams to control movement laws of a rocker rod, and the conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism is simple.

The invention discloses a tooth bar-incomplete non-circular-elliptical gear planetary system vegetable seedling-taking mechanism. The existing seedling-taking mechanism utilizes a locking arc to realize long-range change of a transmission ratio of a seedling-taking locus so that mechanism transmission impact is large. According to the tooth bar-incomplete non-circular-elliptical gear planetary system vegetable seedling-taking mechanism, a center shaft and a planetary carrier are fixed, a central incomplete non-circular gear and a frame are fixed, a central rack and the central incomplete non-circular gear are fixed, the central incomplete non-circular gear and the central rack sleeve the center shaft without key joint, a first middle elliptical gear is in a splined connection relationship with a first middle shaft, a first middle incomplete non-circular gear and the first middle elliptical gear are fixed, a second middle elliptical gear is connected to a second middle shaft by a spline, a second middle incomplete non-circular gear and the second middle elliptical gear are fixed, a first planetary elliptical gear and a first planetary gear shaft are connected by a spline, a second planetary elliptical gear and a second planetary gear shaft are connected by a spline, and one end of each one of the first planetary gear shaft and the second planetary gear shaft stretches out of the planetary carrier and then is fixed to the housing of a seedling-taking claw. The tooth bar-incomplete non-circular-elliptical gear planetary system vegetable seedling-taking mechanism has the advantages of stable transmission and small impact.