Rear-mounted folding preparation seedling rack and rice transplanter

Abstract

The rear-mounted folding preparation seedling rack comprises a mounting support and seedling trays, the mounting support is of a rectangular frame structure and comprises transverse rods arranged transversely, the seedling trays are rotatably connected to the transverse rods, first positioning holes are formed in the seedling trays, fixing pieces are connected to the mounting support, and the fixing pieces are connected to the mounting support. The fixing piece is provided with at least two second positioning holes which are not coaxial, and the first positioning hole is connected with one of the second positioning holes through a positioning pin. By adopting the scheme, the seedling tray can rotate around the cross rod, so that the seedling tray can be rotationally adjusted according to a required state; the seedling tray is provided with the first positioning holes, the mounting bracket is provided with the fixing piece and the second positioning holes, and the plurality of second positioning holes are arranged, so that different second positioning holes can be connected with the first positioning holes through the positioning pins by rotating and adjusting the seedling tray, the fixing angle of the seedling tray is adjusted, the adjusting mode of the seedling tray is simplified, and the seedling tray is convenient to use. The adjusting efficiency of the seedling tray is improved.

Description

Technical Field

[0001] The utility model relates to a rice transplanter, in particular to a rear-mounted folding preparatory rice seedling frame and a rice transplanter. Background Art

[0002] The seedling stand is an important carrier for storing seedling trays when the rice transplanter is working in the field. The convenience and safety of taking seedlings in the field need to be paid special attention. The seedling tray needs to be unfolded when in use and folded when not in use. However, the position adjustment structure of the existing seedling tray is relatively complicated, which makes it inconvenient to adjust the seedling tray. Utility Model Content

[0003] The utility model aims to solve the problem in the prior art that the adjustment structure of the seedling tray is complicated, which leads to inconvenience in adjusting the seedling tray, and provides a rear-mounted foldable seedling preparation frame and a rice transplanter which are convenient to adjust.

[0004] The utility model solves the above-mentioned technical problem through the following technical solution: a rear-mounted folding seedling preparation rack, comprising a mounting bracket and a seedling tray, the mounting bracket being a rectangular frame structure and comprising transversely arranged cross bars, the seedling tray being rotatably connected to the cross bars, the seedling tray being provided with a first positioning hole, the mounting bracket being connected with a fixing piece, the fixing piece being provided with at least two second positioning holes of different axes, the first positioning hole and one of the second positioning holes being connected by a positioning pin.

[0005] The beneficial effects of the utility model are as follows: the seedling tray can rotate around the cross bar, so that the seedling tray can be rotated and adjusted according to the required state; a first positioning hole is provided on the seedling tray, and a fixing piece and a second positioning hole are provided on the mounting bracket. Since a plurality of second positioning holes are provided, the seedling tray can be rotated and adjusted, and different second positioning holes can be connected to the first positioning holes through positioning pins, so as to adjust the fixing angle of the seedling tray, simplifying the adjustment method of the seedling tray and improving the adjustment efficiency of the seedling tray.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, two connecting plates extend from the bottom of the seedling tray and are rotatably connected to the crossbar through the connecting plates, and the first positioning hole is arranged on the connecting plate; the fixing piece is located between the two connecting plates.

[0008] The beneficial effect of adopting the above further solution is that two connecting plates are provided at the bottom of the seedling tray, and the fixing member is provided between the two connecting plates, thereby improving the stability of the seedling tray.

[0009] Furthermore, the fixing member includes a supporting portion extending laterally in the middle and two connecting portions fixedly connected to both ends of the supporting portion, and at least two pairs of coaxial third positioning holes are correspondingly opened on the two connecting portions, and each pair of third positioning holes constitutes a second positioning hole.

[0010] The beneficial effect of adopting the above further scheme is that a support part is provided to support the seedling tray when it is turned horizontally, and to prevent the seedling tray from falling when the positioning pin falls off, thereby protecting the items placed on the seedling tray.

[0011] Furthermore, coaxial first positioning holes are provided on the two connecting parts, and the positioning pins are in the shape of long strips and can pass through the fixing member and the two connecting plates at the same time.

[0012] The beneficial effect of adopting the above further solution is that a long strip-shaped positioning pin is provided, and one positioning pin can be used to pass through the fixing member and the two connecting plates at the same time to fix the position of the seedling tray.

[0013] Furthermore, the seedling tray includes a main body and two connecting plates, and the two connecting plates are L-shaped and are respectively connected to the bottom of the main body by bolts.

[0014] The beneficial effect of adopting the above further solution is that a connecting plate is provided to connect the seedling tray to the mounting bracket, which has the effect of fixing the seedling tray and at the same time improves the stability of the seedling tray.

[0015] Furthermore, the main body is a plastic part, and the middle part of the main body is a hollow mesh structure.

[0016] The beneficial effect of adopting the above further solution is that it facilitates drainage and avoids water accumulation at the bottom of the seedling tray.

[0017] Furthermore, a U-shaped reinforcing rib is provided at the bottom of the main body, and the reinforcing rib is connected to the main body by bolts.

[0018] The beneficial effect of adopting the above further scheme is that the reinforcing ribs effectively improve the structural strength of the bottom of the seedling tray and increase the seedling load of the entire vehicle.

[0019] Furthermore, the second positioning hole is arranged at the edge of the fixing piece, and the second positioning hole is an open semicircular hole; the first positioning hole is an elongated hole.

[0020] The beneficial effect of adopting the above further scheme is that the second positioning hole is an open semicircular hole, which is convenient for removing and inserting the positioning pin; the first positioning hole is an elongated hole, which reduces the processing accuracy of the first positioning hole and facilitates the insertion of the positioning pin after the seedling tray rotates.

[0021] Furthermore, the mounting bracket is provided with at least two cross bars, and each cross bar is connected to a seedling tray.

[0022] The beneficial effect of adopting the above further solution is that the number of seedling trays on the mounting bracket is increased, thereby increasing the seedling loading capacity of the entire vehicle.

[0023] Another technical solution of the utility model to solve the above technical problems is as follows:

[0024] A rice transplanter comprises a main machine and two of the above-mentioned rear-mounted folding preparatory seedling racks, wherein mounting brackets of the two rear-mounted folding preparatory seedling racks are respectively mounted on the left and right sides of the main machine and are located behind the main machine.

[0025] The beneficial effect of adopting the above further solution is that two mounting brackets are provided to effectively increase the seedling carrying capacity of the whole vehicle of the rice transplanter. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the rear-mounted folding seedling preparation rack of the utility model;

[0027] Figure 2 for Figure 1 Sectional view at AA in the middle;

[0028] Figure 3 for Figure 2 The enlarged view of point B in the middle;

[0029] Figure 4 for Figure 1 Schematic diagram from another perspective;

[0030] Figure 5 for Figure 4 Enlarged view of point C in the middle;

[0031] Figure 6 is a schematic diagram of a rice transplanter;

[0032] Figure 7 for Figure 6 Side view of.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 10 mounting bracket; 11 cross bar;

[0035] 20 seedling tray; 21 first positioning hole; 22 connecting plate; 23 main body; 24 reinforcing rib;

[0036] 30 fixing member; 31 second positioning hole; 32 connecting portion; 33 supporting portion;

[0037] 40 positioning pins;

[0038] 50 hosts. DETAILED DESCRIPTION

[0039] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0040] Example 1

[0041] like Figure 1-Figure 3A rear-mounted folding seedling preparation rack includes a mounting bracket 10 and a seedling tray 20. The mounting bracket 10 is a rectangular frame structure and includes a transversely arranged cross bar 11. The seedling tray 20 is rotatably connected to the cross bar 11. The seedling tray 20 is provided with a first positioning hole 21. A fixing member 30 is connected to the mounting bracket 10. The fixing member 30 is provided with at least two second positioning holes 31 of different axes. The first positioning hole 21 and one of the second positioning holes 31 are connected by a positioning pin 40.

[0042] The beneficial effects of this embodiment are as follows: the seedling tray 20 can rotate around the cross bar 11, so that the seedling tray 20 can be rotated and adjusted according to the required state; a first positioning hole 21 is provided on the seedling tray 20, and a fixing member 30 is provided on the mounting bracket 10 and a second positioning hole 31 is provided. Since a plurality of second positioning holes 31 are provided, the seedling tray 20 can be rotated and adjusted, and different second positioning holes 31 can be connected to the first positioning hole 21 through the positioning pin 40, so as to adjust the fixing angle of the seedling tray 20, simplify the adjustment method of the seedling tray 20, and improve the adjustment efficiency of the seedling tray 20.

[0043] like Figure 3 On the basis of the above embodiment, there are multiple second positioning holes 31, and at least two of the second positioning holes 31 correspond to the two states of the lateral expansion and vertical retraction of the seedling tray 20. A fixing member 30 can be provided on each side of the seedling tray 20, or the fixing member 30 can be provided in the middle of the seedling tray 20 and only one fixing member 30 is provided; the fixing member 30 is welded to the crossbar 11.

[0044] Example 2

[0045] Preferably, based on Example 1, two connecting plates 22 extend from the bottom of the seedling tray 20 and are rotatably connected to the cross bar 11 through the connecting plates 22 , and the first positioning hole 21 is provided on the connecting plate 22 ; the fixing member 30 is located between the two connecting plates 22 .

[0046] The beneficial effect of adopting the preferred solution in the above embodiment is that two connecting plates 22 are provided at the bottom of the seedling tray 20, and the fixing member 30 is provided between the two connecting plates 22, thereby improving the stability of the seedling tray 20.

[0047] Example 3

[0048] like Figure 4 and Figure 5 Preferably, on the basis of Example 2, the fixing member 30 includes a supporting portion 33 extending laterally in the middle and two connecting portions 32 respectively fixedly connected to both ends of the supporting portion 33, and at least two pairs of coaxial third positioning holes are correspondingly opened on the two connecting portions 32, and each pair of third positioning holes constitutes a second positioning hole 31.

[0049] The beneficial effect of adopting the preferred solution in the above embodiment is that the support part 33 is provided to support the seedling tray 20 when it is turned horizontally, and to prevent the seedling tray 20 from falling when the positioning pin 40 falls off, thereby protecting the items placed on the seedling tray 20.

[0050] On the basis of the above embodiment, coaxial first positioning holes 21 are formed on the two connecting parts 32 , and the supporting part 33 is plate-shaped and has two ends connected to the connecting parts 32 respectively.

[0051] Example 4

[0052] like Figure 5 Preferably, on the basis of Embodiment 3, coaxial first positioning holes 21 are provided on the two connecting portions 32 , and the positioning pin 40 is in the shape of an elongated strip and can pass through the fixing member 30 and the two connecting plates 22 at the same time.

[0053] The beneficial effect of adopting the preferred solution in the above embodiment is that a long strip-shaped positioning pin 40 is provided, and one positioning pin 40 can be used to simultaneously pass through the fixing member 30 and the two connecting plates 22 to fix the position of the seedling tray 20.

[0054] Example 5

[0055] like Figure 1 and Figure 4 Preferably, based on Embodiments 2-4, the seedling tray 20 includes a main body 23 and two connecting plates 22, and the two connecting plates 22 are L-shaped and are connected to the bottom of the main body 23 by bolts.

[0056] The beneficial effect of adopting the preferred solution in the above embodiment is that a connecting plate 22 is provided to connect the seedling tray 20 to the mounting bracket 10 , thereby fixing the seedling tray 20 and improving the stability of the seedling tray 20 .

[0057] On the basis of the above embodiment, the connecting plate 22 is a bent thin plate structure.

[0058] Example 6

[0059] Preferably, on the basis of Embodiment 5, the main body 23 is a plastic part, and the middle part of the main body 23 is a hollow mesh structure.

[0060] The beneficial effect of adopting the preferred solution in the above embodiment is that it facilitates drainage and avoids water accumulation at the bottom of the seedling tray 20.

[0061] Example 7

[0062] Preferably, on the basis of Embodiments 5-6, a U-shaped reinforcing rib 24 is further provided at the bottom of the main body 23, and the reinforcing rib 24 is connected to the main body 23 by bolts.

[0063] The beneficial effect of adopting the preferred solution in the above embodiment is that the reinforcing ribs 24 effectively improve the structural strength of the bottom of the seedling tray 20 and increase the seedling loading capacity of the entire vehicle.

[0064] Based on the above embodiment, a receiving groove matching the shape of the reinforcing rib 24 is provided at the bottom of the seedling tray 20, and the reinforcing rib 24 is fixed in the receiving groove. A fixing hole is provided next to the receiving groove, and a bolt passes through the fixing hole and tightens the reinforcing rib 24 through the nut of the bolt.

[0065] Example 8

[0066] Preferably, on the basis of embodiments 1-7, the second positioning hole 31 is provided at the edge of the fixing member 30, and the second positioning hole 31 is an open semicircular hole; and the first positioning hole 21 is an elongated hole.

[0067] The beneficial effect of adopting the preferred scheme in the above embodiment is that the second positioning hole 31 is an open semicircular hole, which is convenient for removing and inserting the positioning pin 40; the first positioning hole 21 is a long hole, which reduces the processing accuracy of the first positioning hole 21 and facilitates the insertion of the positioning pin 40 after the seedling tray 20 rotates.

[0068] Example 9

[0069] Preferably, on the basis of embodiments 1-8, the mounting bracket 10 is provided with at least two cross bars 11 , and each cross bar 11 is connected to a seedling tray 20 .

[0070] The beneficial effect of adopting the preferred solution in the above embodiment is that the number of seedling trays 20 on the mounting bracket 10 is increased, thereby increasing the seedling loading capacity of the entire vehicle.

[0071] Example 10

[0072] like Figure 6 Preferably, on the basis of embodiments 1-9, a rice transplanter is provided, comprising a main machine 50, and also comprising two of the above-mentioned rear-mounted folding preparatory seedling racks, wherein the mounting brackets 10 of the two rear-mounted folding preparatory seedling racks are respectively mounted on the left and right sides of the main machine 50 and are located behind the main machine 50.

[0073] The beneficial effect of adopting the preferred solution in the above embodiment is that two mounting brackets 10 are provided to effectively increase the seedling loading capacity of the whole vehicle of the rice transplanter.

[0074] like Figure 6 and Figure 7 When the mounting bracket 10 is placed in the front, the seedling tray 20 is too far away from the personnel who are loading the seedlings on the rear row, which makes it inconvenient to take the seedlings and takes a long time, affecting the efficiency of field operations. In addition, there is a safety risk of people falling from the vehicle when walking to take the seedlings. Therefore, the present application places the mounting bracket 10 in the rear, which can reduce the distance for taking the seedlings, effectively improve the efficiency of field operations, reduce the walking distance of personnel, and improve the safety of personnel during operation.

[0075] The usage of the rear-mounted folding preparatory seedling rack of the present application is as follows: when the seedling tray 20 is unfolded, the positioning pin 40 is stuck in the second positioning hole 31 near the bottom of the fixing piece 30 and passes through the first positioning hole 21. At this time, the preparatory seedling tray 20 is in a horizontal state; when the seedling tray 20 needs to be folded, the positioning pin 40 is manually removed from the second positioning hole 31 and the first positioning hole 21, and the seedling tray 20 is rotated to a vertical position. The long pin of the positioning pin 40 is stuck in the second positioning hole 31 near the top of the fixing piece 30 and passes through the first positioning hole 21. At this time, the seedling tray 20 is in a folded and stowed state.

[0076] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0077] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0078] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0079] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean 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, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0080] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0081] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A rear-mounted folding seedling preparation rack, characterized in that: The invention comprises a mounting bracket (10) and a seedling tray (20), wherein the mounting bracket (10) is a rectangular frame structure and comprises a transversely arranged cross bar (11), the seedling tray (20) is rotatably connected to the cross bar (11), a first positioning hole (21) is provided on the seedling tray (20), a fixing member (30) is connected to the mounting bracket (10), at least two second positioning holes (31) of different axes are provided on the fixing member (30), and the first positioning hole (21) and one of the second positioning holes (31) are connected by a positioning pin (40).

2. A rear-mounted folding seedling preparation rack according to claim 1, characterized in that: Two connecting plates (22) extend from the bottom of the seedling tray (20) and are rotatably connected to the crossbar (11) via the connecting plates (22); the first positioning hole (21) is provided on the connecting plate (22); and the fixing member (30) is located between the two connecting plates (22).

3. A rear-mounted folding seedling preparation rack according to claim 2, characterized in that: The fixing member (30) comprises a supporting portion (33) extending laterally in the middle and two connecting portions (32) respectively fixedly connected to both ends of the supporting portion (33). ， At least two pairs of coaxial third positioning holes are correspondingly opened on the two connecting parts (32), and each pair of the third positioning holes constitutes one second positioning hole (31).

4. A rear-mounted folding seedling preparation rack according to claim 3, characterized in that: The positioning pin (40) is in the shape of an elongated strip and can pass through the fixing member (30) and the two connecting plates (22) at the same time.

5. The rear-mounted folding seedling preparation rack according to claim 2, characterized in that: The seedling tray (20) comprises a main body (23) and two connecting plates (22), and the two connecting plates (22) are both L-shaped and are respectively connected to the bottom of the main body (23) by bolts.

6. A rear-mounted folding seedling preparation rack according to claim 5, characterized in that: The main body (23) is a plastic part, and the middle part of the main body (23) is a hollow mesh structure.

7. The rear-mounted folding seedling preparation rack according to claim 5, characterized in that: A U-shaped reinforcing rib (24) is also provided at the bottom of the main body (23), and the reinforcing rib (24) is connected to the main body (23) by bolts.

8. The rear-mounted folding seedling preparation rack according to claim 1, characterized in that: The second positioning hole (31) is arranged at the edge of the fixing member (30), and the second positioning hole (31) is an open semicircular hole; the first positioning hole (21) is an elongated hole.

9. A rear-mounted folding seedling preparation rack according to any one of claims 1 to 8, characterized in that: The mounting bracket (10) is provided with at least two cross bars (11), and each cross bar (11) is connected to a seedling tray (20).

10. A rice transplanter, comprising a main machine (50), characterized in that: It also comprises two rear-mounted folding standby seedling racks as described in any one of claims 1 to 9, and the mounting brackets (10) of the two rear-mounted folding standby seedling racks are respectively mounted on the left and right sides of the main machine (50) and are located behind the main machine (50).

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