CN109479463B - Three-dimensional three-linkage cycle stepping mechanism driven in one way - Google Patents
Three-dimensional three-linkage cycle stepping mechanism driven in one way Download PDFInfo
- Publication number
- CN109479463B CN109479463B CN201811449072.9A CN201811449072A CN109479463B CN 109479463 B CN109479463 B CN 109479463B CN 201811449072 A CN201811449072 A CN 201811449072A CN 109479463 B CN109479463 B CN 109479463B
- Authority
- CN
- China
- Prior art keywords
- seedling
- pushing
- grid
- driving
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a three-dimensional three-linkage cycle stepping mechanism driven in one direction, which comprises a seedling-pushing needle assembly, a telescopic driving mechanism, a moving driving mechanism, a stepping descending driving mechanism and a total power mechanism, wherein the seedling-pushing needle assembly comprises a plurality of seedling-pushing needles and a fixing piece; the telescopic driving mechanism comprises a first reciprocating driving frame, a first incomplete gear and a first gear shaft; the movable driving mechanism comprises a first pushing piece, a second reciprocating driving frame, a second incomplete gear and a second gear shaft; the step-down driving mechanism comprises a blocking rod assembly and a movable mechanism. The unidirectional-driven three-dimensional three-linkage periodic stepping mechanism not only can solve the problems of large driving force and inflexibility of the seedling-lifting needle driving mechanism in driving, but also can solve the problem of top leakage in the descending motion of the grid seedling tray, and can realize the driving of each seedling-lifting needle assembly and related assemblies by only one driving mechanism, thereby having the advantage of high driving efficiency.
Description
Technical Field
The invention relates to a seedling planter, in particular to a unidirectional-drive three-dimensional three-linkage cycle stepping mechanism of the seedling planter.
Background
Currently, known rice planting machines are mainly divided into two categories: 1. a traditional transplanter for transplanting blanket-shaped seedling roots in separate pockets based on tearing and cutting of a mechanical arm (seedling claw); 2. novel seedling transplanting machine based on pot seedling raising disc with soil; the first rice planting machine is mature in technology, high planting efficiency is achieved through high-frequency driving of an engine, roots are damaged, seedlings need to be in a longer green-returning period after planting, power required by tearing and cutting the seedlings and transplanting the seedlings into mud is high, requirements on mechanical material strength are high, and the machine is heavy, consumed materials and energy costs are high, and the machine is inconvenient to operate in hilly rice areas. The second rice planting machine has the advantages of pre-carrying soil, no reviving period after planting, accurate and controllable seedling number per pocket, suitability for planting more seedlings (such as Chang Guidao) and less seedlings (such as hybrid rice), and suitability for planting rice seedlings with soil, in particular for operation in hilly rice areas.
For the second kind of rice planting machine, the invention patent with the authorized bulletin number of CN 104620740B discloses a linkage mechanism of an array rice seedling sowing machine, wherein the linkage mechanism comprises a seedling sowing mechanism, the seedling sowing mechanism comprises a seedling ejecting needle, a seedling ejecting needle bracket, a seedling ejecting needle driving mechanism, a seedling ejecting needle bracket driving mechanism and a total power mechanism, wherein: the seedling lifting needle is horizontally arranged on the seedling lifting needle bracket, and the working end part of the seedling lifting needle is opposite to the seedling grid in the grid seedling tray; the seedling ejecting needle driving mechanism comprises a seedling ejecting mechanism for pushing the seedling ejecting needle to move towards the grid seedling tray and a reset mechanism for pushing the seedling ejecting needle to reset, wherein the seedling ejecting mechanism consists of a cam shaft capable of continuously rotating; the reset mechanism comprises a guide cylinder and a reset spring which are arranged on the seedling-pushing needle support, wherein the seedling-pushing needle is arranged in the guide cylinder in a penetrating way, the reset spring is sleeved on the seedling-pushing needle, one end of the reset spring acts on the guide cylinder, the other end of the reset spring acts on the seedling-pushing needle, and the elastic force of the reset spring normally drives one end, opposite to the working end, of the seedling-pushing needle to be always abutted against the cam shaft. When the seedling lifting device works, under the normal state, the end part of the seedling lifting needle is abutted against the cam shaft, and as the cam shaft rotates, the seedling lifting needle can be driven to axially reciprocate in the guide cylinder due to the fact that the surface of the cam shaft is of a variable diameter structure, wherein when the long diameter part of the cam shaft is contacted with the seedling lifting needle, the seedling lifting needle moves to the farthest end to finish the ejection of seedlings in the grid seedling tray, and when the short diameter part of the cam shaft is contacted with the seedling lifting needle, the seedling lifting needle is reset to the nearest end; when the cam shaft rotates periodically and continuously, the seedling pushing needle also extends and resets periodically, so that the periodical seedling pushing action is realized.
However, the seedling-pushing needle driving mechanism has the following defects in actual operation:
1. because the seedling ejecting needle is used for ejecting seedling and simultaneously needs to compress and store energy for the reset spring to realize the reset of the follow-up seedling ejecting needle, the load of the camshaft during rotation can be increased in the process, and because a plurality of seedling ejecting needles are distributed on two sides of the camshaft along the axial direction of the camshaft, the plurality of seedling ejecting needles are driven by the camshaft simultaneously, and the load of the camshaft during rotation can be greatly increased. In actual operation, as the total power of the whole seedling planter is derived from the rotary table, the large increase of the load of the cam shaft can lead to the increase of the driving power of the rotary table and the increase of the energy consumption, thereby reducing the service performance of the product.
2. The telescopic movement stroke of the seedling pushing needle is determined by the diameter difference of the cam shafts, so that the diameter of the whole cam shaft is required to be increased in order to increase the telescopic movement stroke of the seedling pushing needle, but the increase of the diameter of the whole cam shaft directly causes the driving load and the mass of the whole device to be obviously increased due to the longer length of the whole cam shaft, so that the device is heavy and inflexible.
3. The telescopic movement of the seedling pushing needle is obtained by the radial dimension change generated when the cam shaft rotates, and the radial dimension change amount in unit time is relatively small, so that the telescopic movement speed of the seedling pushing needle is slower; especially in the resetting process, the seedling pushing needle also needs to retract by the elasticity of the spring, and is not directly driven by the cam shaft, so that the retracting speed is slower; the telescopic movement speed of the seedling pushing needle is slow, and the seedling sowing efficiency is affected.
In addition, as the descending movement of the grid seedling tray is controlled by the blocking rod and the movement of the blocking rod is realized by pushing the seedling-pushing needle bracket, the linkage relationship exists between the descending movement of the grid seedling tray and the movement of the seedling-pushing needle bracket. The linkage relation makes the seedling planter not need to separately provide power for the blocking rod, reduces a driving source, and simultaneously makes each row of seedling grids on the grid seedling tray have the problem of seedling top leakage. Specifically, after the seedling-lifting needle completes the seedling-lifting needle task of the penultimate seedling grid in the same row, in the process of transferring from the penultimate seedling grid to the penultimate seedling grid (target seedling grid), the seedling-lifting needle support pushes the seedling-lifting needle to move and simultaneously pushes the blocking rod to move, namely to carry out linkage movement, so that the moved seedling-lifting needle moves to the corresponding position of the last seedling grid according to a plan, and meanwhile, the target seedling grid also moves directly to the lower part of the seedling-lifting needle due to the whole downward movement of the grid seedling tray, so that the seedling-lifting needle cannot carry out seedling-lifting operation on the target seedling grid, roof leakage occurs, and the seedling-lifting problem exists when the seedling-lifting task of the last seedling grid in each row of grid seedling tray is carried out, and the seedling utilization rate in the grid seedling tray is reduced. In addition, when the same layer of seedling grids are provided with n groups of seedling ejection needles and n groups of seedling ejection movements are carried out at the same time, each layer has the problem that n seedling grids leak from the top, so that the utilization rate of the seedling grids is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a three-dimensional three-linkage cycle stepping mechanism driven in one direction, which can solve the problems of low speed, large driving force and inflexibility of a seedling ejection needle driving mechanism in driving and can solve the problem of roof leakage in the descending motion of a grid seedling tray, and meanwhile, the driving of each seedling ejection needle assembly and related assemblies thereof can be realized by only one driving mechanism in working, so that the three-dimensional three-linkage cycle stepping mechanism has the advantage of high driving efficiency.
The technical scheme for solving the technical problems is as follows:
the three-dimensional three-linkage cycle stepping mechanism comprises two groups of seedling ejection needle assemblies, a telescopic driving mechanism for driving the seedling ejection needle assemblies to perform telescopic seedling ejection tasks, a movable driving mechanism for driving the seedling ejection needle assemblies to perform horizontal switching movement among different seedling grids, a stepping descending driving mechanism for driving the grid seedling trays to perform integral descending movement and a total power mechanism, wherein the two groups of seedling ejection needle assemblies are arranged on seedling ejection needle supports back to back, each group of seedling ejection needle assemblies comprises a plurality of seedling ejection needles and a fixing piece for fixing the seedling ejection needles, the seedling ejection needles are arranged on the fixing piece in a straight line equidistant manner, when one seedling ejection needle faces one seedling grid in the grid seedling trays, the other seedling ejection needles face the corresponding seedling grid, one end of each seedling ejection needle is a fixed end for being connected with the fixing piece, the other end is a free end for ejecting seedlings, and the fixing piece is connected with the seedling ejection needle supports through a sliding structure;
The telescopic driving mechanism comprises a first reciprocating driving frame, a first incomplete gear and a first gear shaft for driving the first incomplete gear to rotate, wherein the first reciprocating driving frame comprises an upper rack and a lower rack which are arranged in parallel, the upper rack and the lower rack are connected together through a connecting piece, the first reciprocating driving frame is divided into two groups, and the two groups of first reciprocating driving frames are connected with the two groups of fixing pieces one to one; the two first incomplete gears are respectively arranged between an upper rack and a lower rack of the corresponding first reciprocating driving frame;
the movable driving mechanism comprises a first pushing piece connected with the seedling pushing needle bracket, a second reciprocating driving frame connected with the first pushing piece, a second incomplete gear and a second gear shaft for driving the second incomplete gear to rotate, wherein the second reciprocating driving frame comprises an upper rack and a lower rack which are arranged in parallel, the upper rack and the lower rack are connected together through a connecting piece, and the second incomplete gear is arranged between the upper rack and the lower rack of the second reciprocating driving frame;
the stepping descending driving mechanism comprises two blocking rod assemblies and a movable mechanism for pushing the blocking rod assemblies to horizontally move, wherein the two blocking rod assemblies are arranged back to back, each blocking rod assembly comprises two blocking rods, the two blocking rods are respectively arranged in one-to-one correspondence with comb-shaped blocking strips on two vertical sides of the grid seedling tray, and the two blocking rods are connected together; the movable mechanism comprises a second pushing piece connected with the blocking rod, a third reciprocating driving frame connected with the second pushing piece and a third incomplete gear, wherein the third incomplete gear is arranged between an upper rack and a lower rack of the third reciprocating driving frame, and the third incomplete gear is arranged on the second gear shaft;
The total power mechanism comprises a turntable shaft, the turntable shaft is vertically arranged, a first conical tooth and a second conical tooth are respectively arranged on the turntable shaft, and the first conical tooth is an incomplete conical tooth; a third bevel gear is arranged on the second gear shaft and meshed with the first bevel gear; the first gear shaft is provided with a fourth bevel gear, a transmission shaft is further arranged between the first gear shaft and the turntable shaft, two ends of the transmission shaft are respectively provided with a fifth bevel gear and a sixth bevel gear, the fourth bevel gear is meshed with the fifth bevel gear, and the second bevel gear is meshed with the sixth bevel gear.
Preferably, the sliding structure is composed of a sliding guide rail pair, the sliding guide rail pair comprises a sliding block and a guide rail, the guide rail is arranged on the seedling pushing needle moving frame and is perpendicular to the grid seedling tray, and the two groups of fixing pieces are respectively arranged on the sliding block. The sliding structure formed by the sliding guide rail pair has the advantages that friction in the moving process of the seedling pushing needle can be greatly reduced, and the seedling pushing movement is smoother.
Preferably, the sliding guide rail pairs are two groups, and the two groups of sliding guide rail pairs are respectively arranged at two ends of the fixing piece. When the seedling lifting mechanism works, the two groups of sliding guide rail pairs can support the fixing piece in a front-back mode, so that the stability of seedling lifting movement of the seedling lifting needle is improved.
Preferably, the seedling-pushing needle is composed of a cylindrical rod, and one end of the cylindrical rod is locked on the fixing piece through a thread structure. The seedling pushing needle formed by the cylindrical rod shape has the advantages of simple structure and convenient processing. When the device works, one end of the blocking rod is arranged on the bearing and can rotate along with the inner ring of the bearing, so that when the driving mechanism drives the blocking rod to do horizontal switching motion, the blocking rod advances on the comb-shaped blocking strip in a rolling mode, and the rolling mode can reduce the friction force in the motion of the blocking rod, simultaneously increase the flexibility of the blocking rod and reduce the collision with the comb-shaped blocking strip during switching.
Preferably, the connecting pieces are in a long strip shape, two long strip-shaped connecting pieces are connected in series with the upper rack and the lower rack to form a rectangular reciprocating driving frame. When the reciprocating type driving frame works, the reciprocating type driving frame needs to be meshed with the incomplete gear and is driven by the incomplete gear, so that the reciprocating type driving frame has higher stability requirement; after the reciprocating driving frame is subjected to rectangular arrangement, the firmness and the stability of the reciprocating driving frame can be obviously enhanced, so that the requirement on the stability in the motion is met.
Preferably, the fixing piece is composed of a section bar, a plurality of sliding pieces are arranged in a sliding groove of the section bar, threaded holes are tapped at the end parts of the seedling pushing pins, the seedling pushing pins are tightly screwed and matched with the T-shaped screws embedded in the T-shaped grooves of the section bar to be locked at equally spaced positions, and a clamping ring for fixing the seedling pushing pins is further arranged between the seedling pushing pins and the section bar. During operation, the sliding part is moved in the chute, so that the position of the seedling-pushing needle on the fixing part can be changed, the position of the seedling-pushing needle and the distance between the seedling-pushing needles can be adjusted according to requirements, and after the adjustment is completed, the clamping ring is used for fixing the seedling-pushing needle.
Preferably, the first reciprocating driving frame is connected with the section bar through a U-shaped connecting piece, wherein the bottom plate of the U-shaped connecting piece is arranged on the top surface of the section bar, and the vertical plate of the U-shaped connecting piece is fixedly connected with the side surface of the lower rack. When the seedling lifting mechanism works, the U-shaped connecting piece has the function of connecting and also has the function of lifting the reciprocating driving frame, so that a certain distance exists between the bottom surface of the lower rack and the top surface of the section bar, and the reciprocating driving frame is ensured not to interfere with the section bar in the other group of seedling lifting needle assemblies in the movement process.
Preferably, the two groups of seedling-lifting needle assemblies arranged back to back are a pair of seedling-lifting needle assembly working groups, and the gear shaft is provided with a plurality of pairs of seedling-lifting needle assembly working groups. When the seedling lifting mechanism works, only one gear shaft is required to rotate to drive the working groups of the seedling lifting needle assemblies to work simultaneously, so that the seedling lifting mechanism has the advantages of simple and compact driving structure and high driving efficiency.
Preferably, the blocking rod is installed on the frame through a fixing seat, a through hole is formed in a pair of side faces of the fixing seat, a bearing is arranged in the through hole, and one end of the blocking rod is sleeved on the bearing.
Preferably, the fixing seat is composed of an ear seat, the ear seat is connected with the sliding block through a mounting plate, a plate center hole for mounting the ear seat is formed in the plate center of the mounting plate, and fixing holes for being connected with the sliding block through screws are distributed around the mounting plate. The advantage that sets up like this lies in, on the one hand, can increase the area of contact between ear seat and slider through addding the mounting panel after, on the other hand, with the mounting panel and slider between through a plurality of screw connection of distribution at the mounting panel all around, can make the ear seat more firmly fix on the mounting panel to can prevent that the ear seat from taking place to tip over under receiving the great moment of torsion effect of blocking the pole.
The working principle of the invention is as follows:
when the seedling lifting mechanism works, the rotary table shaft is driven to continuously rotate in one lattice in the same direction in a manual or motor driving mode, and after the rotary table shaft rotates, the telescopic driving mechanism, the moving driving mechanism and the stepping descending driving mechanism are driven to act in a coordinated mode through the meshing of the first bevel gear and the third bevel gear, the meshing of the second bevel gear and the sixth bevel gear and the meshing of the fourth bevel gear and the fifth bevel gear, so that the seedling lifting task of the whole grid seedling tray is completed jointly.
The seedling ejecting action of the seedlings on the same grid seedling tray layer is performed in a circulating and reciprocating mode in a mode that the telescopic driving mechanism drives the seedling ejecting needle to stretch and retract once to eject the seedlings, the movable driving mechanism drives the seedling ejecting needle to move one grid to the adjacent seedling grid position, the telescopic driving mechanism continues to drive the seedling ejecting needle to stretch and retract once to eject the seedlings, and the movable driving mechanism drives the seedling ejecting needle to move one grid again to the adjacent seedling grid position; after the seedling-lifting needle completes the seedling-lifting task of the last seedling in the grid seedling tray (namely the seedling grid at the end of the grid seedling tray), the stepping-down driving mechanism drives the grid seedling tray to move down one row integrally, so that the seedling to be lifted at the upper layer of the grid seedling tray moves to the same layer as the seedling-lifting needle to continue the seedling-lifting task, and the seedling-lifting motion of the seedling-lifting needle after switching is performed in the opposite direction to that before switching, unlike the seedling-lifting motion; after the seedling-lifting task of the switching layer is completed, the stepping-down driving mechanism drives the grid seedling trays to move downwards for one row, and the seedling-lifting needles perform the seedling-lifting task after switching in opposite seedling-lifting directions, so that the seedling-lifting needles complete the seedling-lifting tasks of seedlings in all grid seedling trays in a reciprocating staggered mode through the switching of different grid seedling tray layers and the adjacent grid seedling trays.
Specifically, the working principle of the telescopic driving mechanism is as follows: the gear shaft rotates to drive a first incomplete gear (hereinafter referred to as an incomplete gear) thereon to synchronously rotate, and in the rotating process, the two incomplete gears sequentially drive the first reciprocating driving frame, the seedling-pushing needle bracket and the seedling-pushing needle to move in a mode of meshing with a corresponding first reciprocating driving frame (hereinafter referred to as a reciprocating driving frame). Wherein, because the steering of the two incomplete gears is the same, and in any state, the motion of the two incomplete gears satisfies: when one of the incomplete gears is meshed with the upper rack of the corresponding reciprocating driving frame, the other of the incomplete gears is meshed with the lower rack of the corresponding reciprocating driving frame, and when one of the incomplete gears is meshed with the lower rack of the corresponding reciprocating driving frame, the other of the incomplete gears is meshed with the upper rack of the corresponding reciprocating driving frame, so that in motion, when one of the incomplete gears drives the reciprocating driving frame to move leftwards, the other of the incomplete gears necessarily drives the reciprocating driving frame to move rightwards, and when one of the incomplete gears drives the reciprocating driving frame to move rightwards, the other of the incomplete gears necessarily drives the reciprocating driving frame to move leftwards, namely the movement directions of the two reciprocating driving frames are opposite in any state, or do mutual approaching movement or mutual distancing movement; and for any one incomplete gear, the incomplete gear is not meshed with the upper rack and the lower rack of the corresponding reciprocating driving frame at the same time, that is, after each incomplete gear drives the reciprocating driving frame to move to the end point in one direction, the reciprocating driving frame is reversely driven to move in the other moving direction. By applying the principle, when the seedling-lifting task is carried out, when the two reciprocating driving frames drive the seedling-lifting needles to move away from each other, the two groups of seedling-lifting needles gradually extend into the corresponding net tray seedling grids to carry out the seedling-lifting task, when the two reciprocating driving frames drive the seedling-lifting needles to move close to each other, the two groups of seedling-lifting needles are respectively withdrawn from the net seedling trays, so that the seedling-lifting task of seedlings in the seedling grid is completed (the description is that, as the third conical tooth is matched with the tooth-missing section of the first conical tooth in the process, the second gear shaft is not driven to rotate, namely, the seedling-lifting needle bracket and the blocking rod are kept stationary);
The working principle of the movable driving mechanism is as follows: along with the continuous rotation of the turntable shaft, the third bevel gear is meshed with the gear section of the first bevel gear, and the second incomplete gear of the movable driving mechanism is driven to rotate in the meshing process, so that the second reciprocating driving frame, the first pushing piece and the seedling supporting needle support are driven to integrally and horizontally move by one grid in a mode of being meshed with the upper rack or the lower rack, and two groups of seedling supporting needles are moved from the current seedling grid to the adjacent seedling grid (the fact that the third incomplete gear is not meshed with the upper rack and the lower rack of the second reciprocating driving frame in the process, so that the second reciprocating driving frame is not driven to move, namely the blocking rod is kept still), and the next seedling supporting task is carried out.
The working principle of the stepping down driving mechanism is as follows: when the seedling pushing needle completes the seedling pushing task of the same grid seedling tray layer, the teeth on the third incomplete gear are meshed with the upper rack or the lower rack of the third reciprocating driving frame along with the continuous rotation of the turntable shaft, the third reciprocating driving frame and the blocking rods are driven to horizontally move in the meshing process, the blocking rods are separated from the current comb-shaped blocking rod group firstly and move to the other staggered comb-shaped blocking rod group, in the process, when the two blocking rods move to the tail end of the working comb-shaped blocking rod, the grid seedling tray falls downwards under the action of gravity due to the loss of support, then the other group of comb-shaped blocking rods above the working comb-shaped blocking rod are contacted with the blocking rods, the support of the grid seedling tray is realized again, at the moment, the grid seedling tray downwards moves by a lattice, the moving distance is equal to the distance between the upper comb-shaped blocking rods and the lower adjacent comb-shaped blocking rods, namely the height of one seedling grid in the grid seedling tray, so that the downward movement switching task of the grid seedling tray is realized (the first incomplete gear and the upper rack and the lower rack on the second reciprocating driving frame are not meshed in the process, and the second comb-shaped blocking rod is required to be described, and the seedling pushing needle is in a static state).
Compared with the prior art, the invention has the following beneficial effects:
1. the unidirectional-driven three-dimensional three-linkage periodic stepping mechanism can realize the common driving of the telescopic driving mechanism, the movable driving mechanism and the stepping descending driving mechanism only by driving the turntable shaft to rotate, and realizes the three-dimensional three-linkage driving effect, so that the unidirectional-driven three-dimensional three-linkage periodic stepping mechanism has the advantages of few driving sources, good linkage performance, simple and compact structure and the like.
2. The unidirectional-driven three-dimensional three-linkage periodic stepping mechanism can directly carry out seedling lifting tasks under the drive of the telescopic driving mechanism on the basis of three-dimensional three-linkage without overcoming the elastic force of the spring to do additional work on the spring, so that the driving force in the movement process of a seedling lifting needle can be greatly reduced, and the unidirectional-driven three-dimensional three-linkage periodic stepping mechanism has the advantage of labor saving in operation; in addition, because the telescopic movement stroke of the seedling pushing needle is determined by the lengths of the upper rack and the lower rack in the reciprocating driving frame and the length of the circumferential line of the toothed part of the incomplete gear, when the telescopic movement stroke of the seedling pushing needle needs to be increased, only the lengths of the upper rack, the lower rack and the circumferential line of the toothed part of the incomplete gear need to be directly increased, and the diameter of the whole cam shaft does not need to be increased, so that the seedling pushing needle is convenient to regulate and has strong practicability.
3. The unidirectional-driven three-dimensional three-linkage periodic stepping mechanism solves the problem of seedling top leakage in the existing seedling planter on the basis of the three-dimensional three-linkage movement effect, simultaneously, through ingenious design, the seedling lifting needle automatically performs the downward movement switching movement of the whole grid seedling tray after completing the seedling lifting task of the seedlings in the same grid seedling tray layer, and the seedlings in the original upper layer of seedling grid seedlings are placed in the current seedling lifting layer to perform the seedling lifting task, so that the seedling lifting task of the seedlings in the whole grid tray seedling grid can be continuously performed; in addition, the reciprocating movement of the seedling ejecting needle is driven by utilizing the mode that the incomplete gears are matched with the reciprocating driving frame, on the basis, the two groups of incomplete gears are arranged, and the coordinated movement of the whole downward movement of the grid seedling tray and the horizontal movement of the seedling ejecting needle is realized by the mode that the two groups of incomplete gears are in complementary engagement with the reciprocating driving frame, so that the whole downward movement of the grid seedling tray is automatically controlled at the optimal moment, the seedling ejecting task of seedlings in the whole grid seedling tray can be continuously carried out, and the movement effect is obtained by being optimized again on the basis of a preferred scheme, so that the design is extremely ingenious.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a three-dimensional three-linkage cycle stepping mechanism driven in one direction according to the present invention.
Fig. 2 is a schematic perspective view of a seedling planter using a three-dimensional three-linkage cycle stepping mechanism driven in one direction.
Fig. 3 is a schematic structural diagram of a telescopic driving mechanism in the three-dimensional three-linkage cycle stepping mechanism driven in one direction shown in fig. 1.
Fig. 4 is a schematic structural diagram of a step-down driving mechanism in the three-dimensional three-linkage cycle stepping mechanism driven in one direction shown in fig. 1.
Fig. 5 is a schematic structural diagram of a step-down driving mechanism and a moving driving mechanism in the three-dimensional three-linkage cycle stepping mechanism driven in one direction shown in fig. 1.
The seedling-pushing needle assembly 1, the telescopic driving mechanism 2, the moving driving mechanism 3, the stepping-down driving mechanism 4, the seedling-pushing needle 5, the fixing piece 6, the first reciprocating driving frame 7, the first incomplete gear 8, the first gear shaft 9, the frame 10, the first pushing piece 11, the second reciprocating driving frame 12, the second incomplete gear 13, the second gear shaft 14, the pushing blocking rod 15, the comb-shaped blocking strip 16, the second pushing piece 17, the third reciprocating driving frame 18, the third incomplete gear 19, the turntable shaft 20, the first conical tooth 21, the second conical tooth 22, the third conical tooth 23, the fourth conical tooth 24, the transmission shaft 25, the fifth conical tooth 26, the sixth conical tooth 27, the grid seedling tray 28, the sliding guide rail pair 29, the fixing seat 30 and the turntable 31.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Referring to fig. 1 and 2, the three-dimensional three-linkage cycle stepping mechanism driven in one direction of the present invention comprises a seedling-pushing needle assembly 1 arranged on a frame 10, a telescopic driving mechanism 2 for driving the seedling-pushing needle assembly 1 to perform telescopic seedling-pushing tasks, a moving driving mechanism 3 for driving the seedling-pushing needle assembly 1 to perform horizontal switching movement between different seedling grids, a stepping descending driving mechanism 4 for driving a grid seedling tray 28 to perform integral descending movement, and a total power mechanism, wherein the seedling-pushing needle assembly 1 is two groups, the two groups of seedling-pushing needle assemblies 1 are arranged on seedling-pushing needle brackets back to back, each group of seedling-pushing needle assemblies 1 comprises a plurality of seedling-pushing needles 5 and a fixing piece 6 for fixing the seedling-pushing needles 5, the plurality of seedling-pushing needles 5 are arranged on the fixing piece 6 in a straight line at equal intervals, when one seedling-pushing needles 5 face one seedling grid in the grid tray 28, the other seedling grid is opposite to the corresponding seedling grid, a plurality of seedling grids are usually spaced apart from each other seedling-pushing needle 5 by a plurality of seedling arrays, a specific distance is determined according to a sowing skill requirement, and each seedling-pushing needle assembly is connected with one end of the fixing piece 6 through a free sliding structure.
Referring to fig. 2 and 3, the telescopic driving mechanism 2 includes a first reciprocating driving frame 7, a first incomplete gear 8, and a first gear shaft 9 for driving the first incomplete gear 8 to rotate, where the first reciprocating driving frame 7 includes an upper rack and a lower rack that are disposed in parallel, and are connected together by a connecting piece, the first reciprocating driving frame 7 includes two groups, and the two groups of first reciprocating driving frames 7 are connected one-to-one with the two groups of fixing pieces 6; the number of the first incomplete gears 8 is two, and the first incomplete gears are respectively arranged between the upper racks and the lower racks of the corresponding first reciprocating driving frame 7.
Referring to fig. 3-5, the moving driving mechanism 3 includes a first pushing member 11 connected with the seedling supporting frame, a second reciprocating driving frame 12 connected with the first pushing member 11, a second incomplete gear 13, and a second gear shaft 14 for driving the second incomplete gear 13 to rotate, wherein the second reciprocating driving frame 12 includes an upper rack and a lower rack which are arranged in parallel, the upper rack and the lower rack are connected together through a connecting member, and the second incomplete gear 13 is arranged between the upper rack and the lower rack; the step-down driving mechanism 4 comprises two blocking rod 15 assemblies and a movable mechanism for pushing the blocking rod 15 assemblies to horizontally move, wherein the two blocking rod 15 assemblies are arranged back to back, each blocking rod 15 assembly comprises two blocking rods 15, the two blocking rods 15 are respectively arranged in one-to-one correspondence with comb-shaped blocking strips 16 on two vertical sides of the grid seedling tray 28, and the two blocking rods 15 are connected together; the movable mechanism comprises a second pushing piece 17 connected with the blocking rod 15, a third reciprocating driving frame 18 connected with the second pushing piece 17 and a third incomplete gear 19, wherein the third incomplete gear 19 is arranged between an upper rack and a lower rack of the third reciprocating driving frame 18, and the third incomplete gear 19 is arranged on the second gear shaft 14.
Referring to fig. 1 and 2, the total power mechanism includes a turntable shaft 20, the turntable shaft 20 is vertically arranged, a first conical tooth 21 and a second conical tooth 22 are respectively arranged on the turntable shaft 20, and the first conical tooth 21 is an incomplete conical tooth; the second gear shaft 14 is provided with a third bevel gear 23, and the third bevel gear 23 is meshed with the first bevel gear 21; the first gear shaft 9 is provided with a fourth bevel gear 24, a transmission shaft 25 is further arranged between the first gear shaft 9 and the turntable shaft 20, two ends of the transmission shaft are respectively provided with a fifth bevel gear 26 and a sixth bevel gear 27, the second bevel gear 22 is meshed with the sixth bevel gear 27, and the fourth bevel gear 24 is meshed with the fifth bevel gear 26.
Referring to fig. 3, the sliding structure is composed of a sliding guide rail pair 29, the sliding guide rail pair 29 comprises a sliding block and a guide rail, wherein the guide rail is arranged on a movable frame of the seedling pushing needle 5 and is perpendicular to the grid seedling tray, and the two groups of fixing pieces 6 are respectively arranged on the sliding block. The advantage of this arrangement is that the sliding structure formed by the sliding guide rail pair 29 can greatly reduce friction in the process of moving the seedling pushing needle 5, so that the seedling pushing movement is smoother. As a preferable mode, the sliding guide pairs 29 are two groups, and the two groups of sliding guide pairs 29 are respectively arranged at two ends of the fixing piece 6. When the seedling lifting mechanism works, the two groups of sliding guide rail pairs 29 can support the fixing piece 6 in tandem, so that the stability of the seedling lifting needle 5 in seedling lifting movement is improved.
Referring to fig. 2, the seedling-pushing needle 5 is formed of a cylindrical rod, one end of which is locked to the fixing member 6 by a screw structure. The seedling-pushing needle 5 formed by the cylindrical rod shape has the advantages of simple structure and convenient processing. In operation, since one end of the blocking rod 15 is mounted on the bearing and can rotate along with the inner ring of the bearing, when the driving mechanism drives the blocking rod 15 to perform horizontal switching motion, the blocking rod 15 advances on the comb-shaped blocking strip in a rolling mode, and the rolling mode can reduce friction force in the motion of the blocking rod 15, increase the flexibility of the blocking rod 15 and reduce collision with the comb-shaped blocking strip 26 during switching. The connecting pieces are in a strip shape, two strip-shaped connecting pieces are connected in series with the upper rack and the lower rack to form a rectangular reciprocating driving frame. When the reciprocating type driving frame works, the reciprocating type driving frame needs to be meshed with the incomplete gear and is driven by the incomplete gear, so that the reciprocating type driving frame has higher stability requirement; after the reciprocating driving frame is subjected to rectangular arrangement, the firmness and the stability of the reciprocating driving frame can be obviously enhanced, so that the requirement on the stability in the motion is met. The fixing piece 6 is composed of a section bar, a plurality of sliding pieces are arranged in a sliding groove of the section bar, threaded holes are tapped at the end parts of the seedling pushing needles 5, the seedling pushing needles 5 are tightly screwed and matched with the T-shaped screws embedded in the T-shaped grooves of the section bar to be locked at equally spaced positions, and a clamping ring for fixing the seedling pushing needles 5 is further arranged between the seedling pushing needles 5 and the section bar. During operation, the position of the seedling-lifting needle 5 on the fixing piece 6 can be changed by moving the sliding piece in the chute, so that the position of the seedling-lifting needle 5 and the distance between the seedling-lifting needles 5 are adjusted according to requirements, and after the adjustment is finished, the clamping ring is used for fixing the seedling-lifting needle 5. The first reciprocating driving frame is connected with the section bar through a U-shaped connecting piece, wherein the bottom plate of the U-shaped connecting piece is arranged on the top surface of the section bar, and the vertical plate of the U-shaped connecting piece is fixedly connected with the side surface of the lower rack. When the seedling lifting mechanism works, the U-shaped connecting piece has the function of connecting and also has the function of lifting the reciprocating driving frame, so that a certain distance exists between the bottom surface of the lower rack and the top surface of the section bar, and the reciprocating driving frame is ensured not to interfere with the section bar in the other group of seedling lifting needle assemblies 1 in the movement process.
Referring to fig. 2, the two groups of seedling-lifting needle assemblies arranged back to back are a pair of seedling-lifting needle assembly 1 working groups, and a plurality of pairs of seedling-lifting needle assembly working groups are arranged on the gear shaft. When the seedling lifting mechanism works, only one gear shaft is required to rotate to drive the working groups of the seedling lifting needle assemblies to work simultaneously, so that the seedling lifting mechanism has the advantages of simple and compact driving structure and high driving efficiency.
Referring to fig. 4 and 5, the blocking rod 15 is mounted on the frame 10 through a fixing seat 30, a pair of sides of the fixing seat 30 are provided with through holes, a bearing is arranged in the through holes, and one end of the blocking rod is sleeved on the bearing. The fixing seat 30 is composed of an ear seat, the ear seat is connected with the sliding block through a mounting plate, a plate center hole for mounting the ear seat is formed in the plate center of the mounting plate, and fixing holes for being connected with the sliding block through screws are distributed around the mounting plate. The advantage that sets up like this lies in, on the one hand, can increase the area of contact between ear seat and slider through addding the mounting panel after, on the other hand, with the mounting panel with the slider between through a plurality of screw connections of distribution around the mounting panel, can make the ear seat more firmly fix on the mounting panel to can prevent that the ear seat from overturning under the great moment of torsion effect that receives blocking lever 15.
Referring to fig. 1 to 5, the working principle of the invention is:
when the seedling lifting mechanism works, the turntable 31 is rotated manually or in a motor driving mode to drive the turntable shaft 20 to continuously rotate in one lattice in one direction, and after the turntable shaft 20 rotates, the first conical tooth 21 is meshed with the third conical tooth 23, the second conical tooth 22 is meshed with the sixth conical tooth 27, and the fourth conical tooth 24 is meshed with the fifth conical tooth 26 to drive the telescopic driving mechanism 2, the movable driving mechanism 3 and the stepping-down driving mechanism 4 to act in a coordinated mode, so that the seedling lifting task of the whole grid seedling tray 28 is completed.
The seedling ejecting action of the seedlings of the same grid seedling tray 28 layer is performed in a circulating way in a mode that the telescopic driving mechanism 2 drives the seedling ejecting needle 5 to perform telescopic action once to eject the seedlings, the movable driving mechanism 3 drives the seedling ejecting needle 5 to move one grid to the adjacent seedling grid position, the telescopic driving mechanism 2 continues to drive the seedling ejecting needle 5 to perform telescopic action once to eject the seedlings, the movable driving mechanism 3 drives the seedling ejecting needle 5 to move one grid again to the adjacent seedling grid position; after the seedling-lifting needle 5 completes the seedling-lifting task of the last seedling in the grid seedling tray 28 (namely, the seedling grid at the end of the grid seedling tray 28), the stepping-down driving mechanism 4 drives the grid seedling tray 28 to move down one row as a whole to complete the switching task of different grid seedling trays 28, then the seedling-lifting needle 5 repeats the seedling-lifting action of the same grid seedling tray 28 to complete the seedling-lifting task of the seedlings in the grid seedling tray 28 after the switching, and then the seedling-lifting task of lifting the seedlings in all the grid seedling trays 28 is completed according to the same principle.
Specifically, the telescopic driving mechanism 2 operates on the principle that: the gear shaft rotates to drive the two first incomplete gears 8 thereon to synchronously rotate, and in the rotation process, the two first incomplete gears 8 sequentially drive the first reciprocating driving frame 7, the seedling-pushing needle bracket and the seedling-pushing needle 5 to move in a manner of meshing with the corresponding first reciprocating driving frame 7 (hereinafter referred to as a reciprocating driving frame). Wherein, since the steering of the two first incomplete gears 8 is the same, and in any state, the movement of the two first incomplete gears 8 satisfies: when one of the first incomplete gears 8 is meshed with the upper rack of its corresponding first reciprocating drive frame 7, the other first incomplete gear 8 is meshed with the lower rack of its corresponding first reciprocating drive frame 7, when one of the first incomplete gears 8 is meshed with the lower rack of its corresponding first reciprocating drive frame 7, the other first incomplete gear 8 is meshed with the upper rack of its corresponding first reciprocating drive frame 7, so that in motion, when one of the first incomplete gears 8 drives the first reciprocating drive frame 7 to move leftwards, the other first incomplete gear 8 necessarily drives the first reciprocating drive frame 7 to move rightwards, and when one of the first incomplete gears 8 drives the first reciprocating drive frame 7 to move rightwards, the other first incomplete gear 8 necessarily drives the first reciprocating drive frame 7 to move leftwards, i.e. the moving directions of the two first reciprocating drive frames 7 are opposite in any state, or do mutual approaching movement or mutual moving away from each other; and for any one of the first incomplete gears 8, the upper rack and the lower rack of the corresponding first reciprocating driving frame 7 are not meshed at the same time, that is, after each first incomplete gear 8 drives the first reciprocating driving frame 7 to move to the end point in one direction, the first reciprocating driving frame 7 is reversely driven to move in the other moving direction. When the seedling-lifting task is carried out, when the two first reciprocating driving frames 7 drive the seedling-lifting needles 5 to move away from each other, the two groups of seedling-lifting needles 5 gradually extend into the corresponding net tray seedling grids to perform the seedling-lifting task, when the two first reciprocating driving frames 7 drive the seedling-lifting needles 5 to move close to each other, the two groups of seedling-lifting needles 5 are respectively removed from the net seedling trays 28, so that the seedling-lifting task of seedlings in the seedling grid is completed (the description is that, as the third conical teeth 23 are matched with the tooth-missing sections of the first conical teeth 21 in the process, the second gear shaft 14 is not driven to rotate, namely, the seedling-lifting needle support and the blocking rod 15 remain stationary);
The working principle of the mobile driving mechanism 3 is as follows: along with the rotation of the turntable shaft 20, the third bevel gear 23 is meshed with the gear section of the first bevel gear 21, and drives the second incomplete gear 13 of the movable driving mechanism 3 to rotate during the meshing process, so that the second reciprocating driving frame 12, the first pushing member 11 and the seedling supporting frame are driven to integrally and horizontally move by one grid in a manner of being meshed with the upper rack or the lower rack, so that the two groups of seedling supporting needles 5 are moved from the current seedling grid to the adjacent seedling grid (it is to be noted that the third incomplete gear 19 is not meshed with the upper rack and the lower rack of the second reciprocating driving frame 12 in the process, so that the second reciprocating driving frame 12 is not driven to move, namely the blocking rod 15 is kept still), and the next seedling supporting task is performed.
The principle of the stepping-down driving mechanism 4 is as follows: after the seedling-pushing needle 5 completes the seedling-pushing task of the same grid seedling tray 28 layer, along with the continuous rotation of the turntable shaft 20, the teeth on the third incomplete gear 19 are meshed with the upper rack or the lower rack of the third reciprocating driving frame 18, the third reciprocating driving frame 18 and the blocking rods 15 are driven to move horizontally in the meshing process, the blocking rods 15 are separated from the current comb-shaped blocking rod group firstly in the moving process and move to the staggered comb-shaped blocking rod group, in the process, when the two blocking rods 15 move to the tail ends of the working comb-shaped blocking rods 16, the grid seedling tray 28 falls downwards under the action of gravity due to the loss of support, then the other group of comb-shaped blocking rods 16 positioned above the working comb-shaped blocking rods 16 are contacted with the blocking rods 15, the support of the grid seedling tray 28 is realized again, at the moment, the grid seedling tray 28 moves downwards by a distance equal to the distance between the upper and lower adjacent grid-shaped blocking rods 16, namely equal to the height of one seedling in the grid seedling tray 28, so that the downward movement switching task of the grid seedling tray 28 is realized (the first incomplete gear 8 and the second reciprocating seedling tray 12 are required to be meshed with the upper rack 12 and the second reciprocating seedling tray 12 in the moving state, and the upper frame 12 is not meshed with the second reciprocating seedling tray 5 in the rotating state).
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made therein without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The three-dimensional three-linkage cycle stepping mechanism is characterized by comprising two groups of seedling-pushing needle assemblies, a telescopic driving mechanism for driving the seedling-pushing needle assemblies to perform telescopic seedling-pushing tasks, a movable driving mechanism for driving the seedling-pushing needle assemblies to perform horizontal switching movement among different seedling grids, a stepping descending driving mechanism for driving a grid seedling tray to perform integral descending movement and a total power mechanism, wherein the two groups of seedling-pushing needle assemblies are arranged on a seedling-pushing needle bracket back to back, each group of seedling-pushing needle assemblies comprises a plurality of seedling-pushing needles and a fixing piece for fixing the seedling-pushing needles, the seedling-pushing needles are arranged on the fixing piece in a straight line equidistant manner, when one seedling-pushing needle faces one seedling grid in the grid seedling tray, the other seedling-pushing needles face the corresponding seedling grid, one end of each seedling-pushing needle is a fixed end for being connected with the fixing piece, and the other end of each seedling-pushing needle is a free end for the seedling-pushing, and the fixing piece is connected with the seedling-pushing needle bracket through a sliding structure;
The telescopic driving mechanism comprises a first reciprocating driving frame, a first incomplete gear and a first gear shaft for driving the first incomplete gear to rotate, wherein the first reciprocating driving frame comprises an upper rack and a lower rack which are arranged in parallel, the upper rack and the lower rack are connected together through a connecting piece, the first reciprocating driving frame is divided into two groups, and the two groups of first reciprocating driving frames are connected with the two groups of fixing pieces one by one; the two first incomplete gears are respectively arranged between an upper rack and a lower rack of the corresponding first reciprocating driving frame;
the movable driving mechanism comprises a first pushing piece connected with the seedling pushing needle bracket, a second reciprocating driving frame connected with the first pushing piece, a second incomplete gear and a second gear shaft for driving the second incomplete gear to rotate, wherein the second reciprocating driving frame comprises an upper rack and a lower rack which are arranged in parallel, the upper rack and the lower rack are connected together through a connecting piece, and the second incomplete gear is arranged between the upper rack and the lower rack of the second reciprocating driving frame;
the stepping descending driving mechanism comprises two blocking rod assemblies and a movable mechanism for pushing the blocking rod assemblies to horizontally move, wherein the two blocking rod assemblies are arranged back to back, each blocking rod assembly comprises two blocking rods, the two blocking rods are respectively arranged in one-to-one correspondence with comb-shaped blocking strips on two vertical sides of the grid seedling tray, and the two blocking rods are connected together; the movable mechanism comprises a second pushing piece connected with the blocking rod, a third reciprocating driving frame connected with the second pushing piece and a third incomplete gear, wherein the third incomplete gear is arranged between an upper rack and a lower rack of the third reciprocating driving frame, and the third incomplete gear is arranged on the second gear shaft;
The total power mechanism comprises a turntable shaft, the turntable shaft is vertically arranged, a first conical tooth and a second conical tooth are respectively arranged on the turntable shaft, and the first conical tooth is an incomplete conical tooth; a third bevel gear is arranged on the second gear shaft and meshed with the first bevel gear; a fourth bevel gear is arranged on the first gear shaft, a transmission shaft is arranged between the first gear shaft and the turntable shaft, a fifth bevel gear and a sixth bevel gear are respectively arranged at two ends of the transmission shaft, the fourth bevel gear is meshed with the fifth bevel gear, and the second bevel gear is meshed with the sixth bevel gear;
when the seedling-lifting task is carried out, when the two first reciprocating driving frames drive the seedling-lifting needles to move away from each other, the two groups of seedling-lifting needles gradually extend into the corresponding grid tray seedling grids to carry out the seedling-lifting task, and when the two first reciprocating driving frames drive the seedling-lifting needles to move close to each other, the two groups of seedling-lifting needles are respectively withdrawn from the grid seedling trays, so that the seedling-lifting task of seedlings in the seedling grid is completed.
2. The three-dimensional three-linkage cycle stepping mechanism driven in one direction according to claim 1, wherein the seedling ejecting needle is composed of a cylindrical rod, and one end of the cylindrical rod is locked on the fixing member through a thread structure.
3. The unidirectional-driven three-dimensional three-linkage cycle stepping mechanism according to claim 2, wherein the fixing piece is composed of a section bar, a plurality of sliding pieces are arranged in a sliding groove of the section bar, threaded holes are tapped at the end parts of the seedling pushing needles, the seedling pushing needles are tightly screwed and matched with the threaded holes through T-shaped screws embedded in T-shaped grooves of the section bar to be locked at equally-spaced positions, and a clamping ring for fixing the seedling pushing needles is further arranged between the seedling pushing needles and the section bar.
4. A three-dimensional three-way linkage cycle stepping mechanism driven in one direction according to claim 3, wherein the connecting members are in a long strip shape, the number of the long strip connecting members is two, and the two long strip connecting members form a rectangular first reciprocating driving frame in a mode of being connected with the upper rack and the lower rack in series.
5. The three-dimensional three-linkage cycle stepping mechanism driven in one direction according to claim 4, wherein the first reciprocating driving frame is connected with the profile through a U-shaped connecting piece, wherein the bottom plate of the U-shaped connecting piece is arranged on the top surface of the profile, and the vertical plate of the U-shaped connecting piece is fixedly connected with the side surface of the lower rack.
6. The three-dimensional three-way linkage cycle stepping mechanism of any one of claims 1-5, wherein the sliding structure is composed of a sliding guide rail pair comprising a slider and a guide rail, wherein the guide rail is mounted on a seedling-pushing needle moving frame, the guide rail is perpendicular to a grid seedling tray, and two sets of fixing pieces are respectively mounted on the slider.
7. The unidirectional-driven three-dimensional three-linkage cycle stepping mechanism of claim 6, wherein the sliding guide rail pairs are two groups, and the two groups of sliding guide rail pairs are respectively arranged at two ends of the fixing piece.
8. The unidirectional three-dimensional three-way linkage cycle stepping mechanism of any one of claims 1-5, wherein the two pairs of seedling-pushing needle assemblies arranged back to back are a pair of seedling-pushing needle assembly working groups, and the gear shaft is provided with a plurality of pairs of seedling-pushing needle assembly working groups.
9. The three-dimensional three-linkage cycle stepping mechanism driven in one direction according to claim 6, wherein the blocking rod is mounted on the frame through a fixing seat, through holes are formed in a pair of side surfaces of the fixing seat, bearings are arranged in the through holes, and one end of the blocking rod is sleeved on the bearings.
10. The unidirectional-driven three-dimensional three-linkage cycle stepping mechanism of claim 9, wherein the fixing seat is composed of an ear seat, the ear seat is connected with the sliding block through a mounting plate, a plate center hole for mounting the ear seat is formed in a plate center of the mounting plate, and fixing holes for being connected with the sliding block through screws are distributed around the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449072.9A CN109479463B (en) | 2018-11-29 | 2018-11-29 | Three-dimensional three-linkage cycle stepping mechanism driven in one way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449072.9A CN109479463B (en) | 2018-11-29 | 2018-11-29 | Three-dimensional three-linkage cycle stepping mechanism driven in one way |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109479463A CN109479463A (en) | 2019-03-19 |
| CN109479463B true CN109479463B (en) | 2023-06-20 |
Family
ID=65698750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811449072.9A Active CN109479463B (en) | 2018-11-29 | 2018-11-29 | Three-dimensional three-linkage cycle stepping mechanism driven in one way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109479463B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892084A (en) * | 2019-04-17 | 2019-06-18 | 湖南农业大学 | Seedling taking machine for bottomless seedling disk |
| CN111745804B (en) * | 2020-07-06 | 2021-09-10 | 山东创伟外墙保温材料集团有限公司 | Reciprocating type panel maintenance frame |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2027634A1 (en) * | 1990-10-15 | 1992-04-16 | Nils E. Sjoberg | Seedling extraction method and apparatus |
| CN101044813A (en) * | 2006-03-31 | 2007-10-03 | 株式会社久保田 | Swing controlling device for working machine |
| CN104620741A (en) * | 2015-01-23 | 2015-05-20 | 华南农业大学 | Array type rice transplanter |
| CN107980298A (en) * | 2017-12-22 | 2018-05-04 | 山东建筑大学 | It is automatic to mend rice seedling distribution mechanism and the high-speed transplanter with the automatic benefit rice seedling distribution mechanism |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2705188B1 (en) * | 1993-05-14 | 1995-08-11 | Const Metalliques Floren | System for positioning and guiding a tray holder on a transplanting machine for plants grown in clods in trays. |
| JP3412253B2 (en) * | 1994-05-09 | 2003-06-03 | 井関農機株式会社 | Seedling machine |
| JP4716482B2 (en) * | 2004-11-22 | 2011-07-06 | ヤンマー株式会社 | Rotary seedling planting mechanism in rice transplanter |
| CN102577924B (en) * | 2012-03-22 | 2013-05-22 | 刘辉 | Sea grass automatic planting machine |
| CN104620740B (en) * | 2015-01-23 | 2016-05-18 | 华南农业大学 | A kind of link gear of array paddy rice rice planter |
| CN104798511B (en) * | 2015-04-22 | 2016-08-24 | 浙江理工大学 | Compound pulley stepless displacement thin planting moves alms bowl device |
| CN105493719B (en) * | 2016-01-08 | 2017-06-06 | 农业部南京农业机械化研究所 | A kind of full-automatic pot seedling transplanter shift mechanism |
| CN205611229U (en) * | 2016-04-25 | 2016-10-05 | 石河子大学 | Remote control transplanter end effector |
| CN206251613U (en) * | 2016-12-13 | 2017-06-16 | 重庆市神女药业股份有限公司 | Chinese medicine seedling transplanter |
| CN107690904B (en) * | 2017-11-14 | 2022-12-30 | 钦州学院 | Vertical disc type automatic seedling planter |
| CN108184394B (en) * | 2018-01-24 | 2024-03-01 | 河北农业大学 | Plug placing machine |
| CN209358988U (en) * | 2018-11-29 | 2019-09-10 | 华南农业大学 | A kind of linkage mechanism of rice planter |
-
2018
- 2018-11-29 CN CN201811449072.9A patent/CN109479463B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2027634A1 (en) * | 1990-10-15 | 1992-04-16 | Nils E. Sjoberg | Seedling extraction method and apparatus |
| CN101044813A (en) * | 2006-03-31 | 2007-10-03 | 株式会社久保田 | Swing controlling device for working machine |
| CN104620741A (en) * | 2015-01-23 | 2015-05-20 | 华南农业大学 | Array type rice transplanter |
| CN107980298A (en) * | 2017-12-22 | 2018-05-04 | 山东建筑大学 | It is automatic to mend rice seedling distribution mechanism and the high-speed transplanter with the automatic benefit rice seedling distribution mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 罗正祥.多用育秧模.湖南农机.1999,(04),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109479463A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109362295B (en) | Improved light and simple array seedling planter | |
| CN109601079B (en) | Unidirectional-drive bidirectional synchronous telescopic linkage mechanism | |
| CN109463082B (en) | Linkage control mechanism capable of traversing vertical plane | |
| CN109479463B (en) | Three-dimensional three-linkage cycle stepping mechanism driven in one way | |
| CN106334684B (en) | A kind of cleaning equipment of photovoltaic panel | |
| CN209358989U (en) | A kind of bi-directional synchronization of rice planter discloses rice seedling distribution mechanism | |
| CN209358986U (en) | A kind of seedling disk of rice planter moves down control mechanism | |
| CN103688632B (en) | Potted seedling lifting and rotating device | |
| CN209358988U (en) | A kind of linkage mechanism of rice planter | |
| CN110651574B (en) | Rice seedling sowing machine | |
| CN209358987U (en) | A kind of modified array rice planter | |
| CN104429240A (en) | Dual-drive springing-limiting variable-pitch pot shifting mechanical hand | |
| CN108049441B (en) | Trench construction and slotting device for agricultural irrigation | |
| CN219258857U (en) | Automatic support placing device of wonton machine | |
| CN211240789U (en) | Improved generation rice seedling planting machine | |
| CN211128953U (en) | Improved seedling tray displacement linkage mechanism | |
| CN211128954U (en) | Seedling sowing driving device | |
| CN216262042U (en) | A intelligent fruit machine of selecting for persimmon is selected | |
| CN211240790U (en) | Reciprocating displacement driving mechanism of rice seedling planter | |
| CN110663322B (en) | Seedling sowing linkage device of rice seedling sowing machine | |
| CN110848351A (en) | Unidirectional rotation accurate drive reciprocating displacement's link gear | |
| CN219781121U (en) | Multi-freedom-degree controllable movable fruiting shed frame | |
| CN204251840U (en) | A kind of feeding travel mechanism of pattern sewing machine | |
| CN207331206U (en) | Guide bar shogging device | |
| CN110651575B (en) | Seedling tray driving device of rice seedling planter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |