Multifunctional paper chain tobacco seedling transplanting machine

Abstract

The application relates to a multifunctional paper chain tobacco seedling transplanting machine which comprises a pair of seedling carrying and recycling devices arranged on a rack, one end of the seedling carrying and recycling device is provided with a second non-powered conveyor, and the radial side of the second non-powered conveyor is provided with a fertilizing device; wherein the second non-powered conveyor is arranged in a downward inclination mode, a third roller is arranged in the second non-powered conveyor, the third roller divides the second non-powered conveyor into upper and lower layer conveying structures, the upper layer conveying structure is connected with the seedling carrying and recycling device, the lower layer conveying structure is connected with the fertilizing device through a fertilizer conveying hose, and the end of the second non-powered conveyor far from the seedling carrying and recycling device is provided with a transplanting and soil covering device for sending tobacco seedlings and fertilizers into soil. The paper chain tobacco seedlings are transplanted and fertilized through the double-layer non-powered conveyor, so that the fertilizing operation can be synchronously conducted in the process of seedling throwing, thereby avoiding the problem of labor increase caused by manual auxiliary fertilizing after the seedling throwing is completed.

Description

Technical Field

[0001] The present application relates to the technical field of transplanting equipment, and in particular to a multifunctional paper chain tobacco seedling transplanter. Background Art

[0002] In order to better ensure the survival rate of seedlings, the transplanting process usually includes multiple operations such as seedling transplanting, watering, and fertilizing.

[0003] Chinese patent number CN110447361A discloses a chain-type paper pot transplanter and its use method, belonging to the field of agricultural machinery. The machine comprises a frame, a soil preparation unit, an upper seedling pot transplanting unit, and a lower seedling pot transplanting unit. It eliminates the separation and feeding of seedlings, employing a slide system, resulting in a simple structure and flexible and diverse combinations. It can be coupled with a rotary tiller for joint operation. By flexibly configuring parameters such as the slide frame's mounting beam, the seedling pot support bracket, the soil preparation unit, and the seedling pot transplanting unit's height, number, and spacing, it can meet the requirements of transplanting operations under different planting modes, such as flat, ridge, and furrow cultivation. Seedlings raised in specialized chain-type paper pots can be quickly transplanted into farmland, achieving high operational efficiency and making it ideal for large-scale transplanting operations in large fields.

[0004] However, during the process of conceiving and realizing the above application, the inventors discovered that in actual use, after the seedlings were planted, manual fertilization was required, which increased the workload. Summary of the Invention

[0005] In order to solve or partially solve the problems existing in the related art, the present application provides a multifunctional paper chain tobacco seedling transplanter.

[0006] To achieve the above objectives, this application is implemented through the following technical solutions:

[0007] A multifunctional paper chain tobacco seedling transplanter includes a chassis and a frame, a traveling device is installed below the chassis, and the multifunctional paper chain tobacco seedling transplanter also includes:

[0008] A pair of seedling carrying and recovery devices are provided on the frame, one end of the seedling carrying and recovery device is provided with a second unpowered conveyor, and a fertilizing device is provided on a radial side of the second unpowered conveyor;

[0009] Among them, the second unpowered conveyor is tilted downward, and a third roller is installed inside it. The third roller separates the second unpowered conveyor into upper and lower conveying structures. The upper conveying structure is connected to the seedling recovery device, and the lower conveying structure is connected to the fertilization device through a fertilizer hose. The end of the second unpowered conveyor away from the seedling recovery device is provided with a transplanting and covering device for delivering tobacco seedlings and fertilizers into the soil.

[0010] Optionally, the fertilizing device includes:

[0011] The support frame is provided with a fertilizer box with a top wide and a bottom narrow at the top of the support frame, and a fertilizer outlet is formed in the bottom of the fertilizer box, the lower end of the fertilizer outlet is slidably connected with a sealing plate, a through hole matched with the inner diameter of the fertilizer outlet is formed in the sealing plate, the lower end of the sealing plate is slidably connected with a guide pipe, and the inner diameter of the guide pipe is matched with the inner diameter of the through hole.

[0012] The lower end of the guide pipe is connected with one end of a fertilizer conveying hose.

[0013] Optionally, the outer side of the sealing plate is provided with a rack through a shaft, the lower end of the rack is engaged with an adjusting gear, the adjusting gear is installed on the outer wall of the guide pipe, and the gear shaft of the adjusting gear is provided with a knob away from one end of the guide pipe.

[0014] The sealing plate, the shaft, the rack, the guide pipe and the adjusting gear are sealed by a valve shell, and one end of the gear shaft of the adjusting gear penetrates through the valve shell and is connected with the knob.

[0015] Optionally, the seedling loading and recycling device comprises:

[0016] A first non-powered conveyor is installed on the rack through the leaf plate and the triangular support, and a seedling tray placing rack is arranged above the first non-powered conveyor.

[0017] The first non-powered conveyor is internally provided with a first roller and a second roller with perpendicular moving directions, one side of the second roller is provided with a T-shaped recycling box, and the T-shaped recycling box is fixed to the rack through a first support plate.

[0018] Optionally, the multifunctional paper chain tobacco seedling transplanting machine further comprises a traction device and a rotary tillage and ridging device, and the traction device comprises:

[0019] Three traction frames are fixed to the bottom plate and located below the second non-powered conveyor, the three traction frames are arranged in a triangular shape, one traction frame located at the top is connected with a middle pull rod through a traction pin, two traction frames located at the bottom are connected with swing arms through rear suspension pull rods, and the middle pull rod and the swing arms are installed on the shell of the rotary tillage and ridging device away from the traction frames.

[0020] Optionally, the rotary tillage and ridging device comprises a rotary tillage mechanism, and the rotary tillage mechanism comprises:

[0021] A first transmission shaft, one end of which is connected to the engine, and the other end is connected to a first universal joint, the first universal joint is connected to a second universal joint via a first cross shaft, one end of the second universal joint is connected to a second transmission shaft, one end of the second transmission shaft is connected to a third universal joint, the third universal joint is connected to a fourth universal joint via a second cross shaft, one end of the fourth universal joint is connected to a third transmission shaft, an end portion of the third transmission shaft is sleeved with a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, and the middle portion of the second bevel gear is connected to the fourth transmission shaft;

[0022] The first bevel gear and the second bevel gear are respectively installed in the protective shell through the first bearing and the second bearing.

[0023] Optionally, a first gear is provided at one end of the fourth transmission shaft away from the second bevel gear, a second gear is meshed with the lower side of the first gear, a third gear is meshed with the lower side of the second gear, a rotating shaft is connected to the middle of the third gear, and a bidirectional spiral cutter is installed on the rotating shaft;

[0024] The first gear, the second gear and the third gear are installed on the side of the shell, and the rotating shaft runs across between the two side parts of the shell.

[0025] Optionally, the rotary tillage and ridging device further includes a pair of adjustable ridging mechanisms, and the adjustable ridging mechanisms include:

[0026] A pair of screw rods with upper ends fixed to the rear end of the shell, the upper ends of the screw rods are threadedly connected to the first nut, and the first nut is rotated to drive the screw rod to perform lifting movement, the lower end of the screw rod is provided with an upper scraper, and movable baffles are provided on both sides of the upper scraper, and the movable baffle includes a back plate and a side plate, the back plate is connected to a hanging plate by bolts, the upper end of the hanging plate is fixed to the rear end of the shell, and the side plate is connected to the upper scraper through a connecting plate;

[0027] The back plate and the side plates are movably connected, a vertical straight slot is provided on the hanging plate, a horizontal straight slot is provided on the movable baffle, and the overlap of the vertical straight slot and the horizontal straight slot forms a square hole for installing bolts;

[0028] One end of the connecting plate is connected to the side plate, and a horizontal straight slot is also provided on the connecting plate. A circular hole is provided on the scraper plate, and the overlapping portion of the circular hole and the horizontal straight slot on the connecting plate constitutes a circular hole for installing bolts.

[0029] Optionally, the transplanting and covering device includes:

[0030] A guide vehicle having an inclined section and a horizontal section, wherein the upper end surface of the guide vehicle is provided with a trumpet-shaped guide groove, the trumpet-shaped opening of the guide groove is located on the inclined section, and an end of the upper conveying structure away from the seedling recovery device extends into the opening;

[0031] The inclined section is provided with a connecting plate near one end of the third roller, a pair of traction rods are arranged on the upper end of the connecting plate, the lower end surface of the inclined section is provided with a U-shaped plate, one end of the U-shaped plate near the connecting plate is communicated with one end of the lower layer conveying structure away from the seedling carrying and recycling device, and the end of the U-shaped plate away from the connecting plate is provided with a punching column;

[0032] The horizontal section is provided with a long strip-shaped through hole matched with the size of the tobacco seedlings, and the end of the horizontal section away from the inclined section is provided with an arc-shaped soil covering plate and a soil pressing wheel.

[0033] Optionally, the traveling device is connected with the output shaft of the engine, the traveling device comprises two pairs of traveling wheels arranged on both sides of the chassis, and a light shielding plate is arranged above the seedling tray placing rack.

[0034] The application has the beneficial effect that the double-layer non-powered conveyor is used to transplant and fertilize the paper chain tobacco seedlings, so that the fertilization operation can be performed synchronously in the process of seedling planting, thereby avoiding the problem of increased labor amount caused by manual fertilization after the seedling planting is completed.

[0035] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory and are not restrictive of the application. BRIEF DESCRIPTION OF DRAWINGS

[0036] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and in which:

[0037] Figure 1 is a structural schematic view of a multifunctional paper chain tobacco seedling transplanting machine shown in the embodiment of the application;

[0038] Figure 2 is a structural schematic view of a fertilizing device shown in the embodiment of the application;

[0039] Figure 3 is a partial enlarged view of the internal structure of the fertilizing mechanism shown in the embodiment of the application;

[0040] Figure 4 is a structural schematic view of a seedling carrying and recycling device shown in the embodiment of the application;

[0041] Figure 5 is a structural schematic view of a traction device shown in the embodiment of the application;

[0042] Figure 6 is a structural schematic view of a rotary tillage mechanism shown in the embodiment of the application;

[0043] Figure 7 is a top view of the multifunctional paper chain tobacco seedling transplanting machine shown in the embodiment of the application;

[0044] Figure 8 is a structural schematic diagram of the adjustable furrow opening mechanism shown in the embodiments of the present application;

[0045] Figure 9 is a partial enlarged view of the adjustable furrow opening mechanism shown in the embodiments of the present application;

[0046] Figure 10 is a structural schematic diagram of the transplanting and soil covering device shown in the embodiments of the present application;

[0047] Figure 11 is a bottom view of the transplanting and soil covering device shown in the embodiments of the present application.

[0048] Reference signs: 1, traveling wheel; 2, chassis; 3, frame; 4, seedling carrying and recycling device; 5, seedling tray placing rack; 6, first roller; 7, first non-powered conveyor; 8, T-shaped recycling box; 9, second roller; 10, leaf plate; 11, first support plate; 12, triangular support; 13, traction frame; 14, rear suspension pull rod; 15, traction pin; 16, middle pull rod; 17, swing arm; 18, traction device; 19, rotary tillage and furrow opening device; 20, protective shell; 21, second non-powered conveyor; 22, third roller; 23, transplanting and soil covering device; 24, shell; 25, second support plate; 26, movable baffle; 27, upper scraping plate; 28, adjustable furrow opening mechanism; 29, lead screw; 30, first nut; 31, fertilizing device; 32, bolt; 33, second nut; 34, hanging plate; 35, first transmission shaft; 36, first universal joint; 37, first cross shaft; 38, second universal joint; 39, second transmission shaft; 40, third universal joint; 41, second cross shaft; 42, fourth universal joint; 43, third transmission shaft; 44, first bearing; 45, first bevel gear; 46, second bevel gear; 47, second bearing; 48, fourth transmission shaft; 49, first gear; 50, second gear; 51, third gear; 52, spiral knife; 53, first flange; 54, third bearing; 55, traction rod; 56, connecting plate; 57, U-shaped plate; 58, guide vehicle; 59, ponding column; 60, soil covering plate; 61, soil pressing wheel; 62, fertilizer box; 63, valve housing; 64, knob; 65, support frame; 66, fertilizer feeding hose; 67, shaft; 68, second flange; 69, adjusting gear; 70, rack; 71, guide pipe; 72, sealing plate; 73, rotary tillage mechanism; 74, light shielding plate; 75, traveling device; 76, horizontal straight slot; 77, vertical straight slot. DETAILED DESCRIPTION

[0049] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0050] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated thereby. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0051] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood as the specific situation.

[0052] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0053] In the present disclosure, the terms "one embodiment", "some embodiments", "an example", "specific examples" or "some examples" mean including at least one feature, structure, material, or characteristic described in connection with the embodiment or example. Exemplary expressions of the above terms in the specification are not necessarily directed to the same embodiment or example. Also, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, different embodiments or examples described in the specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0054] Although the embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and cannot be construed as limiting the present disclosure, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present disclosure.

[0055] The above is only an optional embodiment of the present application, and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0056] In order to make the purposes, technical solutions and beneficial effects of the present application more clear, the preferred embodiments of the present application will be described in detail below with reference to the drawings, so as to facilitate the understanding of the skilled in the art.

[0057] Embodiment one:

[0058] Referring to Figure 1 and Figure 5 A multifunctional paper chain tobacco seedling transplanting machine, comprising a chassis 2 and a frame 3, an advancing device 75 is installed below the chassis 2, and the multifunctional paper chain tobacco seedling transplanting machine further comprises:

[0059] A pair of seedling carrying and recycling devices 4 are arranged on the frame 3, one end of the seedling carrying and recycling device 4 is provided with a second unpowered conveyor 21, and a fertilizing device 31 is arranged on one side of the second unpowered conveyor 21 in the radial direction;

[0060] The second unpowered conveyor 21 is arranged in a downward inclined manner, a third roller 22 is arranged in the second unpowered conveyor 21, the third roller 22 divides the second unpowered conveyor 21 into upper and lower conveying structures, the upper conveying structure is connected with the seedling carrying and recycling device 4, the lower conveying structure is connected with the fertilizing device 31 through a fertilizer conveying hose 66, and the end of the second unpowered conveyor 21 away from the seedling carrying and recycling device 4 is provided with a transplanting and soil covering device 23 for sending tobacco seedlings and fertilizers into the soil.

[0061] Specifically, the traveling device 75 and the frame 3 are both mounted on the chassis 2, the traveling device 75 is used to drive the whole device to move, the seedling carrying and recycling device 4 is fixed on the frame 3, the seedling carrying and recycling device 4 is placed with the seedling raising tray carrying the paper chain tobacco seedlings, the paper chain is connected end to end, which is used to ensure the continuity of tobacco seedling planting, so as to facilitate the conveying; the second unpowered conveyor 21 is arranged in a downward inclined manner, the inclination angle thereof is self-set according to the requirement, the third roller 22 is provided with a plurality of third rollers 22, the lower end surface of the third roller 22 and the bottom plate and the side wall of the second unpowered conveyor 21 form a lower conveying structure, the upper end surface of the third roller 22 and the side wall of the second unpowered conveyor 21 form an upper conveying structure, the side wall of the third roller 22 is provided with a hole for mounting the fertilizer conveying hose 66, the lower conveying structure is connected with the fertilizing device 31 through the fertilizer conveying hose 66, one end of the upper conveying structure is connected with the seedling carrying and recycling device 4, and the other end is connected with the transplanting and covering device 23;

[0062] The unpowered conveying roller utilizes the gravity and the friction force to automatically convey the material along the conveying line without the external power or driving device, in the working process, the paper chain tobacco seedlings in the seedling carrying and recycling device 4 are conveyed to the transplanting and covering device 23 through the third roller 22, the tobacco seedlings are guided into the seedling pit through the transplanting and covering device 23, at the same time, the fertilizing device 31 containing the fertilizer is started, the fertilizer is guided into the lower conveying structure through the fertilizer conveying hose 66, and is slid to the transplanting and covering device 23 through the gravity and is guided into the seedling pit through the transplanting and covering device 23, in the above process, the traveling device 75 drives the whole device to move, so that the sowing of the tobacco seedlings and the fertilizer is continuously carried out.

[0063] In the embodiment, the paper chain tobacco seedlings are transplanted and fertilized by using the double-layer unpowered conveyor, so that the fertilizing operation can be simultaneously carried out in the process of seedling throwing, thereby avoiding the problem of labor increase caused by manual auxiliary fertilizing after the seedling throwing is completed;

[0064] Meanwhile, the transplanting vehicle is combined with the paper chain transplanting technology, the paper chain tobacco seedlings are transplanted and fertilized by using the double-layer unpowered conveyor, the structure is simple, the mechanical damage to the tobacco seedling roots in the transplanting process is reduced, and the transplanting efficiency and quality of the tobacco seedlings are improved;

[0065] In addition, the transplanting and fertilizing processes of the present application do not need too much energy input, and the ecological concept of energy saving and environmental protection is realized.

[0066] Embodiment two:

[0067] Referring to Figures 1 to 3 Based on the embodiment one, optionally, the fertilizing device 31 comprises:

[0068] The support frame 65 is provided with a fertilizer box 62 with a wide top and a narrow bottom. A bottom of the fertilizer box 62 is provided with a fertilizer outlet. A lower end of the fertilizer outlet is slidably connected with a sealing plate 72. The sealing plate 72 is provided with a through hole matching an inner diameter of the fertilizer outlet. A lower end of the sealing plate 72 is slidably connected with a guide pipe 71. An inner diameter of the guide pipe 71 matches the inner diameter of the through hole.

[0069] The lower end of the guide pipe 71 is connected with one end of a fertilizer conveying hose 66.

[0070] Specifically, the support frame 65 is provided with three layers from top to bottom. The top layer is used for placing the fertilizer box 62. The bottom of the fertilizer box 62 extends to the second layer of the support frame 65. The fertilizer box 62 has a funnel shape with a wide top and a narrow bottom to facilitate material falling. The inner diameter of the fertilizer outlet matches the inner diameter of the through hole in the sealing plate 72. The outer diameter of the fertilizer outlet is larger than the inner diameter of the through hole, so that the fertilizer outlet cannot be embedded in the through hole. The upper end of the sealing plate 72 is slidably connected with the lower end of the fertilizer outlet. The inner diameter of the guide pipe 71 matches the inner diameter of the through hole, i.e., the inner diameter of the guide pipe 71 is consistent with the inner diameter of the fertilizer outlet. The outer diameter of the guide pipe 71 is larger than the inner diameter of the through hole, so that the guide pipe 71 cannot be embedded in the through hole. The upper end of the guide pipe 71 is slidably connected with the lower end of the sealing plate 72. The lower end of the guide pipe 71 is connected with one end of the fertilizer conveying hose 66. In this way, by moving the sealing plate 72, the fertilizer outlet, the through hole in the sealing plate 72, and the guide pipe 71 are one-to-one corresponding, so as to open the fertilizer outlet, and then the fertilizer in the fertilizer box 62 enters the fertilizer conveying hose 66 by gravity. By moving the sealing plate 72, the fertilizer outlet and the through hole in the sealing plate 72 are staggered, so as to close the fertilizer outlet, and then the fertilizer conveying is cut off.

[0071] Optionally, an outer side of the sealing plate 72 is provided with a rack 70 through a shaft 67. A lower end of the rack 70 is engaged with an adjusting gear 69. The adjusting gear 69 is installed on an outer wall of the guide pipe 71. One end of a gear shaft of the adjusting gear 69 away from the guide pipe 71 is provided with a knob 64.

[0072] The sealing plate 72, the shaft 67, the rack 70, the guide pipe 71, and the adjusting gear 69 are sealed by a valve housing 63. One end of the gear shaft of the adjusting gear 69 penetrates the valve housing 63 and is connected with the knob 64.

[0073] Specifically, the valve shell 63 is installed on the fertilizer tank 62, the upper, lower, front and left and right sides of the valve shell 63 are provided with through holes, the upper and lower through holes provided on the valve shell 63 are matched with the inner diameter of the fertilizer outlet, one end of the gear shaft of the adjusting gear 69 is connected with the knob 64 through the circular hole at the front end of the valve shell 63, the long hole for installing the shaft 67 is provided on the rack 70, the rack 70 is installed on the shaft 67 through the long hole, and the sealing plate 72 is fixed with the rack 70, the two ends of the shaft 67 penetrate through the through holes at the left and right sides of the valve shell 63 and are installed on the valve shell 63 through the second flange 68;

[0074] When starting to fertilize, the knob 64 is rotated clockwise to drive the adjusting gear 69 to rotate, so that the rack 70 drives the sealing plate 72 to move to the left side, at this time, the through holes of the valve shell 63, the sealing plate 72 and the guide pipe 71 are aligned, and the fertilizer outlet is opened; the knob 64 is rotated counterclockwise to drive the adjusting gear 69 to rotate, so that the rack 70 drives the sealing plate 72 to move to the right side, the through holes of the valve shell 63, the sealing plate 72 and the guide pipe 71 are misaligned, and the sealing plate 72 blocks the fertilizer outlet, so that the fertilizer outlet is closed.

[0075] Example three:

[0076] Referring to Figure 1 and Figure 4 , based on the above examples, optionally, the seedling carrying and recycling device 4 comprises:

[0077] The first non-powered conveyor 7 is installed on the rack 3 through the leaf plate 10 and the triangular support 12, and the seedling tray placing rack 5 is arranged above the first non-powered conveyor 7.

[0078] The first non-powered conveyor 7 is internally provided with the first roller 6 and the second roller 9 with perpendicular moving directions, and the T-shaped recycling box 8 is arranged on one side of the second roller 9.

[0079] Specifically, the leaf plate 10 and the triangular support 12 are both fixed on the rack 3, the leaf plate 10 is used to support the first roller 6 part of the first non-powered conveyor 7, the triangular support 12 is used to support the second roller 9 part of the first non-powered conveyor 7, the first roller 6 is longitudinally arranged and serves as a waiting area, and the second roller 9 is transversely arranged and serves as a working area; the first support plate 11 is fixed on the rack 3 and located on one side of the leaf plate 10, and the T-shaped recycling box 8 is fixed on the first support plate 11.

[0080] Before transplanting, two seedling trays with paper chain seedlings are taken out from the seedling tray placing rack 5, one is placed on the first roller 6 in the left waiting area of the first non-powered conveyor 7, and the other is placed on the second roller 9 in the working area on the right side of the first non-powered conveyor 7, and the tail of the paper chain in the working area of the seedling tray is connected with the head of the paper chain in the waiting area to ensure the continuity of the seedling transplanting, then the paper chain with seedlings is pulled out from the seedling tray on the second roller 9, passes through the tail of the transplanting and covering device 23 on the upper side of the third roller 22 installed in the second non-powered conveyor 21, and is inserted into the soil, and then the transplanting work starts, when all the seedlings in the seedling tray on the second roller 9 are transplanted, the empty seedling tray is pushed into the T-shaped recycling box 8 through the second roller 9, then the seedling tray with seedlings on the first roller 6 is moved to the second roller 9 through the first roller 6, and another seedling tray with paper chain seedlings is taken out from the seedling tray placing rack 5 and placed on the first roller 6, and the above operation is repeated until all the seedlings are transplanted;

[0081] The first roller 6 installed in the left waiting area of the first non-powered conveyor 7 is longitudinally distributed in a horizontal direction, which facilitates the transverse pushing of the seedling tray in the left waiting area to the right working area, and the second roller 9 installed in the right working area is transversely distributed in a horizontal direction, which facilitates the longitudinal pushing of the seedling tray in the right working area to the T-shaped recycling box 8.

[0082] Embodiment Four:

[0083] Referring to Figures 5 to 7 Based on the above embodiment, optionally, the multifunctional paper chain seedling transplanting machine further comprises a traction device 18 and a rotary tillage and ridge forming device 19, the traction device 18 comprises:

[0084] Three traction frames 13 are fixed to the bottom plate 2 and located below the second non-powered conveyor 21, the three traction frames 13 are arranged in a triangular shape, the upper traction frame 13 is connected with a middle pull rod 16 through a traction pin 15, and the lower two traction frames 13 are connected with a swing arm 17 through a rear suspension pull rod 14, and one end of the middle pull rod 16 and the swing arm 17 away from the traction frame 13 is installed on the shell 24 of the rotary tillage and ridge forming device 19.

[0085] Specifically, one end of the rear suspension pull rod 14 is installed on the bottom plate 2 through the traction frame 13, and the other end is installed on the swing arm 17, and by arranging the traction frame 13, the rear suspension pull rod 14, the traction pin 15, the middle pull rod 16 and the swing arm 17, the rotary tillage and ridge forming device 19 at the rear of the transplanting vehicle is tractionally connected with the bottom plate 2, so as to realize power transmission, and the driving force is provided by the hydraulic cylinder (not shown in the figure) installed in the bottom plate 2 to control the height of the rotary tillage mechanism 73 of the rotary tillage and ridge forming device 19 to control the rotary tillage depth;

[0086] When the transplanting vehicle advances to work, the rotary tillage and ridging device 19 is pulled forward by the swing arm 17 and the middle pull rod 16 under the action of the traction force to perform the rotary tillage and ridging work, and the height of the rotary tillage and ridging device 19 is adjusted by the rear suspension pull rod 14 to control the height of the rotary tillage and ridging device 19 and ensure the stability of the subsequent work.

[0087] In addition, it should be noted that the traction frame 13 and the swing arm 17 are symmetrically arranged, and the swing arm 17 and the middle pull rod 16 are connected in the same way.

[0088] Optionally, the rotary tillage and ridging device 19 comprises a rotary tillage mechanism 73, and the rotary tillage mechanism 73 comprises:

[0089] The first transmission shaft 35 is connected with the engine at one end and connected with the first universal joint 36 at the other end. The first universal joint 36 is connected with the second universal joint 38 through the first cross shaft 37. One end of the second universal joint 38 is connected with the second transmission shaft 39. One end of the second transmission shaft 39 is connected with the third universal joint 40. The third universal joint 40 is connected with the fourth universal joint 42 through the second cross shaft 41. One end of the fourth universal joint 42 is connected with the third transmission shaft 43. The end of the third transmission shaft 43 is sleeved with the first bevel gear 45. One side of the first bevel gear 45 is engaged with the second bevel gear 46. The middle of the second bevel gear 46 is connected with the fourth transmission shaft 48.

[0090] Among them, the first bevel gear 45 and the second bevel gear 46 are respectively installed in the protective shell 20 through the first bearing 44 and the second bearing 47.

[0091] Specifically, the first universal joint 36, the first cross shaft 37, the second universal joint 38, the second cross shaft 41, the third universal joint 40, the second cross shaft 41 and the fourth universal joint 42 constitute a cross shaft type universal coupling. The first transmission shaft 35, the second transmission shaft 39 and the third transmission shaft 43 are connected through the cross shaft type universal coupling. The cross shaft type universal coupling can continuously rotate the second transmission shaft 39 and the third transmission shaft 43 at the same angle speed, and reliably transmit torque and motion. The first bearing 44 is installed at the front opening of the protective shell 20, and the second bearing 47 is installed at the left opening of the protective shell 20. By arranging the first bearing 44 and the second bearing 47, the third transmission shaft 43 and the fourth transmission shaft 48 can rotate without affecting the protective shell 20. The protective shell 20 limits the first bevel gear 45, the second bevel gear 46, the first bearing 44 and the second bearing 47 in a closed space to protect them from dust and other impurities, thereby ensuring the performance of the gear transmission.

[0092] The power of the engine is transmitted to the second transmission shaft 39 and the third transmission shaft 43 through the first transmission shaft 35, so as to drive the first bevel gear 45 to rotate, and the first bevel gear 45 transmits the power to the fourth transmission shaft 48 through meshing with the second bevel gear 46, so as to realize the rotation of the fourth transmission shaft 48.

[0093] Optionally, the fourth transmission shaft 48 is provided with the first gear 49 at one end away from the second bevel gear 46, the lower side of the first gear 49 is meshed with the second gear 50, the lower side of the second gear 50 is meshed with the third gear 51, the middle part of the third gear 51 is connected with a rotating shaft, and the rotating shaft is provided with the bidirectional spiral knife 52.

[0094] Among them, the first gear 49, the second gear 50 and the third gear 51 are installed on the side of the shell 24, and the rotating shaft traverses between the two sides of the shell 24.

[0095] Specifically, one end of the rotating shaft is installed on one side of the shell 24 through the third gear 51, the other end of the rotating shaft is sleeved with the third bearing 54, the outer ring of the third bearing 54 is fixed with the first flange 53, the first flange 53 is fixed with the shell 24 through the flange bolt, so that the other end of the rotating shaft is installed on the other side of the shell 24; the bidirectional spiral knife 52 is divided into two parts by the middle part of the rotating shaft, the spiral blades on both sides are symmetrically arranged and are all outwardly rotating, which are used for turning over the soil during rotary tillage.

[0096] When the fourth transmission shaft 48 rotates, the first gear 49 rotates synchronously, the first gear 49 transmits the power to the second gear 50 through meshing, the second gear 50 transmits the power to the third gear 51 through meshing, the third gear 51 drives the rotating shaft to rotate synchronously, so as to drive the spiral knife 52 to work.

[0097] In addition, it should be noted that the supporting frame 65 of the fertilizing device 31 is fixed on the shell 24 of the rotary tillage and furrow device 19, and the shell 24 provides support for the fertilizing device 31.

[0098] Example five:

[0099] Referring to Figure 8 and Figure 9 based on the above examples, the rotary tillage and furrow device 19 further comprises a pair of adjustable furrow forming mechanisms 28, and the adjustable furrow forming mechanism 28 comprises:

[0100] A pair of screw rods 29 are fixed to the rear end of the shell 24, the upper end of the screw rod 29 is threadedly connected with a first nut 30, rotating the first nut 30 drives the screw rod 29 to move up and down, the lower end of the screw rod 29 is provided with an upper scraper 27, the two sides of the upper scraper 27 are provided with movable baffles 26, the movable baffles 26 include a back plate and a side plate, the back plate is connected with a hanging plate 34 through a bolt 32, the upper end of the hanging plate 34 is fixed to the rear end of the shell 24, the side plate is connected with the upper scraper 27 through a connecting plate;

[0101] The back plate and the side plate are movably connected, a vertical straight slot 77 is formed in the hanging plate 34, a horizontal straight slot 76 is formed in the movable baffle 26, the coinciding position of the vertical straight slot 77 and the horizontal straight slot 76 forms a square hole for mounting the bolt 32;

[0102] One end of the connecting plate is connected with the side plate, the connecting plate is also provided with a horizontal straight slot 76, a round hole is formed in the upper scraper 27, the coinciding position of the round hole and the horizontal straight slot 76 of the connecting plate forms a round hole for mounting the bolt 32.

[0103] Specifically, the rear end of the shell 24 is fixed with a second support plate 25, the middle part of the second support plate 25 is provided with a hole for mounting the screw rod 29, the upper and lower end faces of the second support plate 25 are both provided with a first nut 30, the first nut 30 is threadedly connected with the screw rod 29, the first nut 30 located on the upper end face of the second support plate 25 is used for adjusting the height of the screw rod 29, and the first nut 30 located on the lower end face of the second support plate 25 is used for preventing loosening;

[0104] The coinciding position of the vertical straight slot 77 and the horizontal straight slot 76 forms a square hole for mounting the bolt 32, after the bolt is mounted in the square hole, the movable baffle 26 is locked or loosened through the second nut 33; the upper scraper 27 includes a back plate and a bottom plate, the back plate is welded and mounted at the lower end of the screw rod 29, the bottom plate is provided with a round hole, the coinciding position of the round hole and the horizontal straight slot 76 of the connecting plate forms a round hole for mounting the bolt 32, after the bolt 32 is mounted in the round hole, the connecting plate is locked or loosened through the second nut 33;

[0105] When adjusting the width, all the second nuts 33 on the connecting plate are loosened, at this time the bolts 32 and the second nuts 33 pass through the round holes and remain stationary, the connecting plate is driven to move back and forth along the horizontal straight slot 76 to drive the side plate to move, so as to adjust the width of the movable baffle 26, then the second nuts 33 are tightened to fix them; when adjusting the height, the first nuts 30 on the lower end surface of the second supporting plate 25 and the second nuts 33 on the back plate are loosened, the second nuts 33 on the connecting plate remain stationary, the first nuts 30 on the upper end surface of the second supporting plate 25 are turned to make the screw rod 29 move up and down through the threaded transmission, so as to drive the upper scraper 27 to move up and down, at this time the movable baffle 26, the bolts 32 and the second nuts 33 on the hanging plate 34 move up and down along the vertical straight slot 77 on the hanging plate 34, then the second nuts 33 on the hanging plate 34 and the first nuts 30 on the lower end surface of the second supporting plate 25 are tightened to fix them.

[0106] Among them, the adjustable furrow opening mechanism 28 is used in the furrow opening stage after rotary tillage, which is beneficial to the development of the root system of tobacco seedlings after planting by raising the soil, and the width and height of the furrow opening are adjusted by adjusting the positions of the movable baffle 26 and the upper scraper 27 to achieve suitable conditions for transplanting tobacco seedlings;

[0107] It should be noted that the bottom plate of the upper scraper 27 passes through the middle part of the side plate of the movable baffle 26 and is movably connected with the side plate, and the side plate and the back plate of the movable baffle 26 can be movably connected through hinging.

[0108] Embodiment six:

[0109] Referring to Figure 10 and Figure 11 , based on the above embodiments, optionally, the transplanting and covering device 23 comprises:

[0110] The guide vehicle 58 has an inclined section and a horizontal section, the upper end surface of the guide vehicle 58 is provided with a horn-shaped guide groove, the horn-shaped opening of the guide groove is located on the inclined section, and the end of the upper conveying structure away from the seedling carrying and recovering device 4 extends into the opening;

[0111] The end of the inclined section close to the third roller 22 is provided with a connecting plate 56, the upper end of the connecting plate 56 is provided with a pair of traction rods 55, the lower end surface of the inclined section is provided with a U-shaped plate 57, the end of the U-shaped plate 57 close to the connecting plate 56 is in communication with the end of the lower conveying structure away from the seedling carrying and recovering device 4, and the end of the U-shaped plate 57 away from the connecting plate 56 is provided with a ditching column 59;

[0112] The horizontal section is provided with a long strip-shaped through hole matched with the size of the tobacco seedlings, and the end of the horizontal section away from the inclined section is provided with an arc-shaped covering plate 60 and a soil pressing wheel 61.

[0113] Specifically, the inclined section and the horizontal section are fixedly connected, the upper conveying structure of the second unpowered conveyor 21 extends to the opening and is fixed to the inclined section away from one end of the seedling carrying and recycling device 4, the lower conveying structure extends to the U-shaped plate 57 away from one end of the seedling carrying and recycling device 4, and a long strip-shaped through hole matching the size of the tobacco seedlings is formed in the horizontal section;

[0114] When working, the guide vehicle 58 moves forward under the traction of the traction rod 55, and the forward thrust makes the furrowing column 59 furrow the soil, so that the subsequent fertilizer and tobacco seedlings can fall into the furrow.

[0115] The inclined section of the guide vehicle 58 is used to complete the guiding task of the tobacco seedlings conveyed by the second unpowered conveyor 21, the horizontal section of the guide vehicle 58 is parallel to the land, and the long strip-shaped through hole matching the size of the tobacco seedlings formed in the horizontal section is used to make the paper chain tobacco seedlings fall into the furrow.

[0116] When transplanting and covering soil, the paper chain tobacco seedlings enter the inclined section and the horizontal section of the guide vehicle 58 from the third roller 22 of the second unpowered conveyor 21, then fall into the furrow made by the furrowing column 59 along the long strip-shaped through hole formed in the horizontal section, then the soil around the tobacco seedlings is wrapped by the covering plate 60, and finally the soil is compacted by the soil pressing wheel 61 to complete the transplanting and soil covering work.

[0117] Referring to Figure 1 Optionally, the traveling device 75 is connected with the output shaft of the engine, the traveling device 75 includes two pairs of traveling wheels 1 installed on both sides of the chassis 2, and the upper portion of the seedling tray placing rack 5 is provided with a light shielding plate 74.

[0118] Specifically, the light shielding plate 74 is used to block the sunlight above the seedling tray placing rack 5, so as to avoid the direct sunlight on the tobacco seedlings in the seedling tray placing rack 5, thereby protecting the tobacco seedlings; and the traveling wheels 1 are driven to rotate by the engine, so that the whole device can move.

[0119] In addition, compared with the prior art, the application also has the following effects:

[0120] 1. The transplanting vehicle integrates the functions of rotary tillage, furrowing, furrowing, fertilization, transplanting and soil covering, can realize the high integration of multiple operation functions according to the normal planting sequence, reduces the replacement frequency and operation time of agricultural machinery, and reduces the labor cost;

[0121] 2. The transplanting vehicle can realize double-row transplanting at the same time, improves the planting efficiency, and reduces the planting time;

[0122] 3、The transplanting vehicle adopts adjustable furrow opening mechanism, which can flexibly adjust the height and width of furrow opening according to different soil conditions, so as to ensure that the row distance, plant distance and planting depth of tobacco seedlings meet the requirements of transplanting, and promote the development of root system of tobacco seedlings after transplanting.

[0123] It should be noted that the structure and / or installation method not described in detail in the present application can be known by those skilled in the art in combination with common knowledge and / or prior art, and is not the focus of the disclosure in the present application, and will not be described further.

[0124] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application; the sizes of the drawings are not related to the specific objects, and the sizes of the objects can be arbitrarily changed.

Claims

1. A multifunctional paper chain tobacco seedling transplanter, characterized in that: It comprises a chassis (2) and a frame (3), a traveling device (75) is installed below the chassis (2), and the multifunctional paper chain tobacco seedling transplanter also includes: A pair of seedling carrying and recovery devices (4) are provided on the frame (3), a second unpowered conveyor (21) is provided at one end of the seedling carrying and recovery device (4), and a fertilizer device (31) is provided on a radial side of the second unpowered conveyor (21); The second unpowered conveyor (21) is tilted downward, and a third roller (22) is installed therein. The third roller (22) separates the second unpowered conveyor (21) into an upper and lower conveying structure. The upper conveying structure is connected to the seedling recovery device (4), and the lower conveying structure is connected to the fertilizing device (31) via a fertilizer hose (66). A transplanting and covering device (23) for delivering tobacco seedlings and fertilizer to the soil is provided at one end of the second unpowered conveyor (21) away from the seedling recovery device (4). The fertilizing device (31) comprises: A support frame (65) is provided on the top of the support frame (65), and a fertilizer box (62) having a width at the top and a width at the bottom is provided. A fertilizer outlet is provided at the bottom of the fertilizer box (62), and a sealing plate (72) is slidably connected to the lower end of the fertilizer outlet. A through hole matching the inner diameter of the fertilizer outlet is provided on the sealing plate (72). A guide tube (71) is slidably connected to the lower end of the sealing plate (72), and the inner diameter of the guide tube (71) matches the inner diameter of the through hole. Wherein, the lower end of the guide tube (71) is connected to one end of the fertilizer delivery hose (66); A rack (70) is mounted on the outer side of the sealing plate (72) via a shaft (67), an adjusting gear (69) is meshed with the lower end of the rack (70), and the adjusting gear (69) is mounted on the outer wall of the guide tube (71), and a knob (64) is provided on the end of the gear shaft of the adjusting gear (69) away from the guide tube (71); The sealing plate (72), the shaft (67), the rack (70), the guide tube (71) and the regulating gear (69) are sealed by the valve housing (63), and one end of the gear shaft of the regulating gear (69) passes through the valve housing (63) and is connected to the knob (64); The transplanting and soil covering device (23) comprises: A guide vehicle (58) having an inclined section and a horizontal section, wherein the upper end surface of the guide vehicle (58) is provided with a trumpet-shaped guide groove, the trumpet-shaped opening of the guide groove is located on the inclined section, and an end of the upper conveying structure away from the seedling recovery device (4) extends into the opening; The end of the inclined section close to the third roller (22) is provided with a connecting plate (56), the upper end of the connecting plate (56) is provided with a pair of traction rods (55), the lower end surface of the inclined section is provided with a U-shaped plate (57), the end of the U-shaped plate (57) close to the connecting plate (56) is connected to the end of the lower conveying structure away from the seedling recovery device (4), and the end of the U-shaped plate (57) away from the connecting plate (56) is provided with a pond column (59); The horizontal section is provided with a long strip-shaped through hole that matches the size of the tobacco seedlings, and an arc-shaped covering plate (60) and a soil pressing wheel (61) are installed at one end of the horizontal section away from the inclined section.

2. The multifunctional paper chain tobacco seedling transplanter according to claim 1, characterized in that: The seedling recovery device (4) comprises: A first unpowered conveyor (7) is mounted on the frame (3) via a leaf plate (10) and a triangular bracket (12), and a seedling tray placement rack (5) is provided above the first unpowered conveyor (7); A first roller (6) and a second roller (9) are installed inside the first unpowered conveyor (7), whose movement directions are perpendicular to each other. A T-shaped recovery box (8) is provided on one side of the second roller (9), and the T-shaped recovery box (8) is fixed to the frame (3) through a first support plate (11).

3. The multifunctional paper chain tobacco seedling transplanter according to claim 1, characterized in that: The multifunctional paper chain tobacco seedling transplanter further comprises a traction device (18) and a rotary tillage and ridging device (19), wherein the traction device (18) comprises: Three traction frames (13) are fixed on the chassis (2) and located below the second unpowered conveyor (21). The three traction frames (13) are arranged in a triangle. The upper traction frame (13) is connected to a middle pull rod (16) via a traction pin (15), and the two lower traction frames (13) are connected to a swing arm (17) via a rear suspension pull rod (14). The ends of the middle pull rod (16) and the swing arm (17) away from the traction frame (13) are installed on the housing (24) of the rotary tillage and ridging device (19).

4. The multifunctional paper chain tobacco seedling transplanter according to claim 3, characterized in that: The rotary tillage and ridging device (19) comprises a rotary tillage mechanism (73), and the rotary tillage mechanism (73) comprises: A first transmission shaft (35) is connected to the engine at one end and is connected to a first universal joint (36) at the other end. The first universal joint (36) is connected to a second universal joint (38) via a first cross shaft (37). One end of the second universal joint (38) is connected to a second transmission shaft (39). One end of the second transmission shaft (39) is connected to a third universal joint (40). The third universal joint (40) is connected to a fourth universal joint (42) via a second cross shaft (41). One end of the fourth universal joint (42) is connected to a third transmission shaft (43). An end of the third transmission shaft (43) is sleeved with a first bevel gear (45). One side of the first bevel gear (45) is meshed with a second bevel gear (46). The middle of the second bevel gear (46) is connected to the fourth transmission shaft (48). The first bevel gear (45) and the second bevel gear (46) are respectively mounted in the protective shell (20) via a first bearing (44) and a second bearing (47).

5. The multifunctional paper chain tobacco seedling transplanter according to claim 4, characterized in that: A first gear (49) is provided at one end of the fourth transmission shaft (48) away from the second bevel gear (46), a second gear (50) is meshed with the lower side of the first gear (49), a third gear (51) is meshed with the lower side of the second gear (50), a rotating shaft is connected to the middle of the third gear (51), and a bidirectional spiral cutter (52) is mounted on the rotating shaft; The first gear (49), the second gear (50) and the third gear (51) are mounted on the side of the housing (24), and the rotating shaft runs across between the two side portions of the housing (24).

6. The multifunctional paper chain tobacco seedling transplanter according to claim 5, characterized in that: The rotary tillage and ridging device (19) further includes a pair of adjustable ridging mechanisms (28), wherein the adjustable ridging mechanisms (28) include: A pair of screw rods (29) with upper ends fixed to the rear end of the housing (24), the upper ends of the screw rods (29) are threadedly connected to the first nut (30), and the first nut (30) is rotated to drive the screw rod (29) to perform a lifting motion, and an upper scraper (27) is provided at the lower end of the screw rod (29), and movable baffles (26) are provided on both sides of the upper scraper (27), and the movable baffles (26) include a back plate and a side plate, and the back plate is connected to a hanging plate (34) by bolts (32), and the upper end of the hanging plate (34) is fixed to the rear end of the housing (24), and the side plate is connected to the upper scraper (27) by a connecting plate; The back plate and the side plate are movably connected, a vertical straight slot (77) is provided on the hanging plate (34), a horizontal straight slot (76) is provided on the movable baffle (26), and the overlap of the vertical straight slot (77) and the horizontal straight slot (76) forms a square hole for installing a bolt (32); One end of the connecting plate is connected to the side plate, and a horizontal straight slot (76) is also provided on the connecting plate. A circular hole is provided on the upper scraper (27), and the overlapping portion of the circular hole and the horizontal straight slot (76) on the connecting plate constitutes a circular hole for installing a bolt (32).

7. The multifunctional paper chain tobacco seedling transplanter according to claim 1, characterized in that: The traveling device (75) is connected to the output shaft of the engine. The traveling device (75) includes two pairs of traveling wheels (1) installed on both sides of the chassis (2). A light shielding plate (74) is provided above the seedling tray placement rack (5).

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