Handheld electric rice transplanter

Abstract

The utility model discloses a handheld electric rice transplanter, which relates to the technical field of agricultural machinery and comprises a driving motor, a handrail, a transmission shaft, a frame, a seedling box, a transplanting mechanism, a floating plate and a transmission shaft shell. The floating plate is hinged to the front lower portion of the lower end of the rack, the transplanting mechanism is arranged on the right side of the rack, the seedling box is arranged in the middle of the rack, the transmission shaft is arranged in the transmission shaft shell, the driving motor is fixedly connected with the transmission shaft shell, and the output end of the driving motor is connected with the input end of the transmission shaft. The handrail is connected with the transmission shaft shell through a hoop. The utility model provides a handheld electric rice transplanter, which is suitable for special terrains such as a hand-held rice transplanter, a field blind area where a riding type rice transplanter is difficult to transplant, a hilly terrace and the like, and overcomes the defect that the rice transplanter in the region cannot enter to carry out mechanical transplanting operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially relates to a hand -held electric rice transplanter. BACKGROUND

[0002] How to ensure the sustainable and stable growth of rice yield becomes an important issue of agricultural development. In China, due to the scarcity of land resources, it is not advisable to increase the rice yield by increasing the cultivated land area, and the use of improved varieties and new agricultural methods to increase the yield per unit will be an effective means to increase the total yield.

[0003] Rice has two planting methods: direct seeding and transplanting. Compared with direct seeding, transplanting has many advantages, such as less affected by birds, insects, climate, etc., not prone to lodging, no shading effect, low harvesting cost, and greatly improving the yield per unit, etc. Transplanting technology is one of the effective means to greatly improve the yield of rice.

[0004] Transplanting can be divided into manual transplanting and mechanical transplanting. The traditional manual transplanting requires a large amount of labor and has low production efficiency. Due to the transfer of agricultural labor, the full mechanization of transplanting has become an increasingly urgent requirement for rice production. The transplanting mechanism is the core component of the transplanting machine, and a high-speed, stable and adaptable transplanting mechanism will be one of the key ways to improve the transplanting efficiency and the key to improve the yield of rice.

[0005] Most of the transplanting machines on the market are hand-held or seat-type transplanter, and the machine body is large, which is difficult to meet the needs of farmers in the field, mountainous terraces, hilly terraces and small plots in special terrain for transplanting operation, and also difficult to meet the needs of small farmers for small transplanting machines. SUMMARY

[0006] In view of the deficiencies in the prior art, the utility model provides a hand -held electric rice transplanter, adopts non -circular gear train transplanting mechanism can reduce the vibration, reduces the maintenance cost, is applicable to the transplanting of rice blanket seedling, the utility model can be used for the hillside, hilly terrace and other special terrain for transplanting operation that seat -type transplanting machine is difficult to operate.

[0007] The utility model realizes the above technical purpose through the following technical scheme.

[0008] A hand -held electric rice transplanter, including drive motor, handrail, transmission assembly, frame, seedling box, transplanting mechanism, floating plate and transmission shaft casing, the floating plate is hinged in the lower end front lower of frame, and the transplanting mechanism is arranged at the right side of frame, and the seedling box is arranged in the middle part of frame, and the transmission assembly is arranged in the inside of transmission shaft casing, and the drive motor is fixedly connected with transmission shaft casing, and the drive motor output end is connected with transmission assembly input end, and the handrail is connected with transmission shaft casing using the clamp.

[0009] In the scheme, the transmission assembly comprises a transmission shaft, a double helical screw rod, a secondary transmission shaft, a chain and a transplanter transmission shaft; the transmission shaft and the secondary transmission shaft are integrated structures, and the transmission shaft and the secondary transmission shaft are provided with the double helical screw rod and the transplanter transmission shaft; wherein the double helical screw rod and the transplanter transmission shaft are provided with sprockets, and the sprockets and the chain form a chain transmission, wherein the transplanter transmission shaft is provided with a transplanter, and the double helical screw rod is provided with a sliding block, and the sliding block is provided with a seedling box.

[0010] In the scheme, the transplanter is a single degree of freedom open chain configuration, and the transplanter comprises a planet carrier, a non-circular planetary gear train and a transplanter arm; the planet carrier is a driving member, and the transplanter arm is fixedly connected with the non-circular planetary gear train.

[0011] In the scheme, the non-circular gear train comprises a non-circular sun gear, a non-circular intermediate gear and a non-circular planetary gear; the non-circular intermediate gear is meshed with the non-circular sun gear and the non-circular planetary gear respectively, and the transplanter arm is fixedly connected with the non-circular planetary gear; the planet carrier transmits power to the non-circular planetary gear, and the variable-speed rotation of the non-circular planetary gear and the constant-speed rotation of the planet carrier are combined to form a transplanter trajectory and posture of the transplanter arm.

[0012] In the scheme, the non-circular sun gear and the non-circular planetary gear have the same gear parameters.

[0013] In the scheme, the transplanter arm is fixedly connected with the non-circular planetary gear.

[0014] In the scheme, the transplanter arm comprises a transplanter arm shell, a seedling needle, a seedling pushing rod, a nut and a seedling pushing device; the seedling pushing rod is arranged on the transplanter arm shell, one end of the seedling needle is arranged on the transplanter arm shell, and the other end is provided with a notch, and the notch is in contact with the seedling pushing device.

[0015] In the scheme, the seedling pushing rod is provided with a thread, the seedling pushing device is arranged on the seedling pushing rod and positioned on both sides by the nut; the distance between the notch on the seedling needle and the seedling pushing device is adjusted by adjusting the position of the seedling pushing device on the seedling pushing rod, so that the seedling pushing distance is adjusted.

[0016] In the scheme, one end of the seedling pushing rod is connected with one end of a shift fork, the shift fork is in an L-shaped structure, a middle segment of the shift fork is hingedly connected with the planet carrier, the other end of the shift fork is matched with a cam, the cam is fixedly connected with the planet carrier through a cam shaft, and the seedling pushing rod is provided with a spring at a matched end of the shift fork, and the spring is used for resetting the seedling pushing rod.

[0017] Compared with the prior art, the utility model discloses the following technical effects:

[0018] 1. The utility model provides a handheld electric rice transplanter has the advantages of light, simple and other small mechanical advantages, simultaneously adopts non -circular gear train transplanting mechanism can reduce vibration, reduce labor intensity. The utility model is applicable to the field edge, mountainous land, hilly terrace and small field piece special terrain of hand -held type rice transplanter, riding type rice transplanter is difficult to transplant operation.

[0019] 2. The traditional rice transplanter adopts connecting rod type split mechanism, and the vibration caused by dynamic load is big, which causes the parts to be easily damaged, and the control is difficult, the utility model adopts non -circular gear train transplanting mechanism, and the transmission is stable, and the vibration is small, and the part strength is big.

[0020] 3. The utility model provides a handheld electric rice transplanter is applicable to the field edge blind area, hilly terrace and other special terrain of hand -held type rice transplanter, riding type rice transplanter is difficult to transplant, overcome the shortcoming that rice transplanter cannot enter the mechanical transplanting operation in the above -mentioned area.

[0021] 4. The utility model provides a handheld electric rice transplanter uses battery to drive motor to generate power, does not use fuel engine to drive to can realize the strategy of energy -conserving and emission -reducing. DRAWINGS

[0022] Figure 1 It is a handheld electric rice transplanter structure schematic view according to the utility model relates to one kind;

[0023] Figure 2 It is Figure 1 a handheld electric rice transplanter structure schematic view;

[0024] Figure 3 It is Figure 1 a transplanting mechanism shaft structure schematic view relating to the utility model;

[0025] Figure 4 It is Figure 1 a transplanting mechanism structure diagram relating to the utility model;

[0026] Figure 5 It is Figure 1 a non -circular planetary gear train structure schematic view relating to the utility model;

[0027] Figure 6 It is Figure 1 a transplanting arm structure schematic view relating to the utility model;

[0028] Figure 7 It is Figure 1 a transmission schematic view relating to the utility model;

[0029] Figure 8 It is Figure 1 a internal structure schematic view of transplanting mechanism relating to the utility model.

[0030] Reference signs:

[0031] 1-driving motor; 2-handrail; 3-transmission assembly; 4-frame; 5-tray; 6-transplanting mechanism; 7-floating plate; 8-transmission shaft housing; 60-carrier; 61-non-circular planetary gear train; 62-transplanting arm; 610-non-circular planetary gear; 611-non-circular intermediate gear; 612-non-circular sun gear; 620-transplanting arm housing; 621-tray needle; 622-tray pushing rod; 623-nut; 624-tray pusher; 625-shifting fork; 30-transmission shaft; 31-double screw rod; 32-secondary transmission shaft; 33-chain; 34-transplanting mechanism transmission shaft. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0033] In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] A handheld electric rice transplanter is provided to achieve the field side seedling and terrace transplanting with less labor. The handheld electric rice transplanter comprises a driving motor 1, a handrail 2, a transmission assembly 3, a frame 4, a seedling box 5, a transplanting mechanism 6, a floating plate 7 and a transmission shaft housing 8. The floating plate 7 is hinged below the front of the handheld electric rice transplanter, the transplanting mechanism 6 is fixed to the right side of the frame 4, the seedling box 5 is arranged in the middle of the frame, the transmission assembly 3 is arranged inside the transmission shaft housing 8, the driving motor 1 is arranged at the top of the transplanter, the driving motor 1 is fixed to the transmission shaft housing 8, and the handrail 2 is connected to the transmission shaft housing 8 by a clamp.

[0036] The transplanting mechanism 6 is a single degree of freedom open chain configuration, comprising a non-circular planetary gear train 61, a planet carrier 60 and a transplanting arm 62. The planet carrier 60 is a driving member, and the transplanting arm 62 is fixed to the non-circular planetary gear 610. The planet carrier 60 transmits power to the non-circular planetary gear 610, and the variable speed rotation of the non-circular planetary gear 610 and the constant speed rotation of the planet carrier 60 are combined to form the transplanting trajectory and posture of the transplanting arm 62.

[0037] The non-circular planetary gear train 61 comprises a non-circular sun gear 612, a non-circular intermediate gear 611 and a non-circular planetary gear 610. The non-circular intermediate gear 611 is in mesh with the non-circular sun gear 612 and the non-circular planetary gear 610, respectively.

[0038] The non-circular sun gear 612 and the non-circular planetary gear 610 have the same gear parameters.

[0039] The seedling pushing device 624 at the front end of the transplanting arm 62 is clamped on the seedling pushing rod 622 by two nuts 623, and the distance between the seedling pushing device 624 and the seedling needle tip point 621 is adjustable, so that the seedling pushing distance can be adjusted.

[0040] The frame is also provided with the driving motor 1, and the motor transmits power to the seedling box 5 and the transplanting mechanism 6 through the transmission system.

[0041] The motor transmits power to the secondary transmission shaft 32 inside the frame through the long transmission shaft 30, and then transmits power to the transplanting mechanism 6 located on one side of the secondary transmission shaft 32 inside the frame for rotary motion. The other side of the frame transmission shaft transmits power to the lead screw shaft 31 through chain transmission, and drives the seedling box 5 connected to the lead screw shaft through the crescent pin to move left and right reciprocally.

[0042] During operation, the angle and height of the floating plate relative to the ground are adjusted to meet the requirements of transplanting depth; the motor is started, and the transmission system transmits power to the seedling box and the transplanting mechanism; the seedlings are transplanted to the rice field by the transplanting arm in the transplanting mechanism.

[0043] The cam is fixed with the camshaft, the camshaft is fixed with the planet carrier 60, and the cam is static and immovable relative to the planet carrier 60. The 'L' type is a yoke, the yoke is hinged with the planet carrier 60, and relative rotation can be achieved; the yoke has a 'U' type notch above, the notch clamps the seedling pushing rod 622, the seedling pushing rod 622 has a spring behind, the spring always pushes the seedling pushing rod 622 forward; under the action of the spring, the seedling pushing rod 622 moves forward, the lower end of the yoke is always in contact with the cam, and under the action of the cam stroke, the forward and backward reciprocating movement of the seedling pushing rod is realized.

[0044] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application without departing from the principles and spirits of the present application.

Claims

1. A handheld electric rice transplanter, characterized in that, The device includes a drive motor (1), a handrail (2), a transmission assembly (3), a frame (4), a seedling box (5), a transplanting mechanism (6), a float (7), and a transmission shaft housing (8); characterized in that the float (7) is hinged to the lower front of the frame (4), the transplanting mechanism (6) is located on the right side of the frame (4), the seedling box (5) is arranged in the middle of the frame (4), the transmission assembly (3) is arranged inside the transmission shaft housing (8), the drive motor (1) is fixedly connected to the transmission shaft housing (8), and the output end of the drive motor (1) is connected to the input end of the transmission assembly (3); the handrail (2) is connected to the transmission shaft housing (8) using a clamp.

2. The handheld electric rice transplanter according to claim 1, characterized in that, The transmission assembly (3) includes a transmission shaft (30), a double helical screw (31), a secondary transmission shaft (32), a chain (33), and a transplanting mechanism transmission shaft (34). The transmission shaft (30) and the secondary transmission shaft (32) are an integrated structure. The transmission shaft (30) and the secondary transmission shaft (32) are provided with a double helical screw (31) and a transplanting mechanism transmission shaft (34). The double helical screw (31) and the transplanting mechanism transmission shaft (34) are provided with sprockets. The sprockets and the chain (33) form a chain drive. The transplanting mechanism transmission shaft (34) is provided with a transplanting mechanism (6). The double helical screw (31) is provided with a slider. The slider is provided with a seedling box (5).

3. The handheld electric rice transplanter according to claim 1, characterized in that, The transplanting mechanism (6) is a single-degree-of-freedom open-chain configuration. The transplanting mechanism (6) includes a planetary carrier (60), a non-circular planetary gear train (61), and a transplanting arm (62). The planetary carrier (60) is the active component, and the transplanting arm (62) is fixedly connected to the non-circular planetary gear train (61).

4. The handheld electric rice transplanter according to claim 3, characterized in that, The non-circular planetary gear train (61) includes a non-circular sun gear (612), a non-circular intermediate gear (611), and a non-circular planetary gear (610). The non-circular intermediate gear (611) meshes with the non-circular sun gear (612) and the non-circular planetary gear (610) respectively, and the transplanting arm (62) is fixedly connected to the non-circular planetary gear (610). The planetary carrier (60) transmits power to the non-circular planetary gear (610), and the variable speed rotation of the non-circular planetary gear (610) and the constant speed rotation of the planetary carrier (60) combine to form the transplanting trajectory and posture of the transplanting arm (62).

5. The handheld electric rice transplanter according to claim 4, characterized in that, The non-circular sun gear (612) and the non-circular planet gear (610) have the same gear parameters.

6. The handheld electric rice transplanter according to claim 4, characterized in that, The transplanting arm (62) is fixedly connected to the non-circular planetary gear (610).

7. The handheld electric rice transplanter according to claim 3, characterized in that, The transplanting arm (62) includes a transplanting arm housing (620), a seedling needle (621), a seedling pusher (622), a nut (623), and a seedling pusher (624); the seedling pusher (622) is provided on the transplanting arm housing (620), one end of the seedling needle (621) is provided on the transplanting arm housing (620), and the other end has a notch that contacts the seedling pusher (624).

8. The handheld electric rice transplanter according to claim 7, characterized in that, The seedling pusher (622) has threads, and the seedling pusher (624) is set on the seedling pusher (622) and positioned on both sides by nuts (623); the position of the seedling pusher (624) on the seedling pusher (622) is adjusted to adjust the distance between the notch on the seedling needle (621) and the seedling pusher (624), thereby adjusting the seedling pushing distance.

9. The handheld electric rice transplanter according to claim 7, characterized in that, One end of the pusher rod (622) is connected to one end of the fork (625). The fork (625) has an L-shaped structure. The middle section of the fork (625) is hinged to the planetary frame. The other end of the fork is engaged with a cam. The cam is fixed to the planetary frame through a camshaft. A spring is provided at the end of the pusher rod (622) that engages with the fork. The spring is used to reset the pusher rod (622).

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