Grain box unloading mechanism, grain box and harvester

Abstract

The utility model relates to the technical field of grain box unloading, in particular to a grain box unloading mechanism, a grain box and a harvester. The grain box unloading mechanism is arranged at a grain outlet of a grain box body and comprises a grain unloading plate assembly and a grain unloading insertion plate. An inserting groove is formed in the side wall of a grain outlet of the grain box body, and the grain unloading inserting plate can be inserted into the inserting groove so as to seal the grain outlet; the grain unloading plate assembly comprises a grain unloading plate upper section and a grain unloading plate lower section; the upper end of the grain unloading plate upper section is hinged to the rear side wall of the grain outlet, and the grain unloading plate upper section and the grain unloading plate lower section can be folded relatively; and after the grain unloading plate upper section and the grain unloading plate lower section are folded, the lower end of the grain unloading plate upper section can be fixedly connected with the side wall of the grain outlet. The grain box unloading mechanism is additionally arranged, the grain unloading height is met, the grain box unloading mechanism is suitable for receiving bags to collect grains, the grains can be directly unloaded to a grain receiving vehicle, meanwhile, interference between the grain unloading mechanism and peripheral parts in the using process is avoided, and adaptability and practicability are improved.

Description

Technical Field

[0001] This utility model relates to the field of grain unloading technology, and in particular to a grain unloading mechanism, a grain box, and a harvester. Background Technology

[0002] Corn, as a major food crop, is widely planted in all regions of my country, with a cumulative planting area of ​​approximately 35 million hectares nationwide. The husks, after being peeled, contain kernels that need to be separated using an auger or vibrating screen for recycling.

[0003] There are various existing corn harvester recovery methods, including pull-out recovery trough structures, dual-purpose kernel lifting structures, belt-driven mechanical kernel unloading structures controlled by a discharge clutch handle, and hydraulic kernel unloading structures controlled by a hydraulic motor. In comparison, the dual-purpose kernel lifting device has the advantage of being able to collect kernels separately or collect them together with the ears, and has always been favored by customers.

[0004] To facilitate grain unloading, the outlet of the grain bin must be at a certain height from the ground. If it's too low, it's inconvenient to catch the grains; if it's too high, grains may leak out during retrieval, resulting in losses. Additionally, an extended grain bin outlet may interfere with surrounding components. Utility Model Content

[0005] The purpose of this utility model is to provide a grain box unloading mechanism, a grain box, and a harvester, which can control the opening and closing of the grain outlet to ensure that the grain box does not interfere with surrounding parts during the flipping process and to guarantee the unloading height.

[0006] In the first aspect, this utility model provides a grain unloading mechanism for a grain box, which is located at the grain outlet of the grain box body and includes a grain unloading plate assembly and a grain unloading insert plate.

[0007] A slot is provided on the side wall of the grain outlet of the grain box body, and the unloading plate can be inserted into the slot to close the grain outlet;

[0008] The unloading plate assembly includes an upper section and a lower section; the upper end of the upper section is hinged to the rear side wall of the grain outlet, and the upper section and the lower section can be stacked and folded up; after the upper section and the lower section are stacked and folded up, the lower end of the upper section can be fixedly connected to the side wall of the grain outlet.

[0009] In a preferred embodiment, the lower end of the upper section of the unloading plate and the upper end of the lower section of the unloading plate are connected by a hinge, so that the lower section of the unloading plate can rotate around the hinge.

[0010] In a preferred embodiment, vertical baffles are provided on both sides of the lower section of the unloading plate, and a gap is provided at the corresponding position of the upper section of the unloading plate to allow the baffles to pass through.

[0011] In a preferred embodiment, a limiting element is provided on the rear side wall of the grain outlet of the grain box body to limit the maximum rotation angle of the upper part of the unloading plate.

[0012] In a preferred embodiment, the lower end of the upper section of the unloading plate is provided with a pin hole on the left or right side wall of the grain outlet. After the unloading plate assembly is retracted, the upper section of the unloading plate is fixedly connected to the front side wall of the grain outlet by an elastic pin assembly.

[0013] In a preferred embodiment, the elastic pin assembly includes a pin, a U-shaped seat, and a spring;

[0014] The U-shaped seat is fixedly installed on the left or right side wall of the grain outlet, and the pin is inserted into the U-shaped seat;

[0015] A stop pin is provided at the front end of the pin shaft;

[0016] The spring is disposed inside the U-shaped seat, with one end of the spring abutting against the rear wall of the U-shaped seat and the other end abutting against one side of the pressure ring;

[0017] The other side of the pressure ring abuts against the stop pin.

[0018] In a preferred embodiment, a groove is provided on one of the upper section and the lower section of the unloading plate, and a slider is provided at the corresponding position of the other, so that the lower section of the unloading plate can perform a pulling motion relative to the upper section of the unloading plate.

[0019] In a preferred embodiment, a handle is provided on the outer side of the unloading plate.

[0020] Secondly, this utility model provides a grain box, including a grain box body, a base, a hydraulic cylinder, a limiting mechanism, and the grain box unloading mechanism.

[0021] The grain box body is mounted on the base, and the two ends of the hydraulic cylinder are respectively connected to the grain box body and the base, so that the grain box body can rotate relative to the base;

[0022] One end of the limiting mechanism is hinged to the base, and the other end is slidably connected to the grain box body. The limiting mechanism can limit the rotation angle of the grain box body relative to the base.

[0023] The grain unloading mechanism of the grain box is located at the grain outlet of the grain box body.

[0024] Thirdly, this utility model provides a harvester, including the aforementioned grain bin.

[0025] This utility model has the following beneficial effects:

[0026] By adding a grain unloading mechanism to the grain bin, the unloading height is met, making it suitable for collecting grains in bags, and it can also be directly unloaded into the grain receiving vehicle. At the same time, it avoids interference between the unloading mechanism and surrounding parts during use, thus improving adaptability and practicality. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the grain unloading mechanism of the grain box in the fully open state provided in this embodiment of the utility model;

[0029] Figure 2 A schematic diagram showing the grain unloading mechanism of the grain box when the unloading plate is open and the unloading insert plate is closed, as provided in this embodiment of the utility model.

[0030] Figure 3 A first-view schematic diagram of the grain unloading mechanism of the grain box in the closed state according to an embodiment of the present utility model;

[0031] Figure 4 A second-view schematic diagram of the grain unloading mechanism of the grain box in the closed state according to an embodiment of the present utility model;

[0032] Figure 5 for Figure 4 Central longitudinal section sectional view;

[0033] Figure 6 A partially enlarged schematic diagram of the first angle of the elastic pin assembly of the grain box unloading mechanism provided in an embodiment of this utility model;

[0034] Figure 7 A partially enlarged schematic diagram of the second angle of the elastic pin assembly of the grain box unloading mechanism provided in an embodiment of this utility model;

[0035] Figure 8 A schematic diagram of another unloading plate structure for the grain box unloading mechanism provided in this embodiment of the utility model;

[0036] Numbering on the map:

[0037] 1-Grain box body; 2-Limiting mechanism; 3-Base;

[0038] 4- Flexible pin assembly; 401- Pin; 402- U-shaped seat;

[0039] 403 - Spring; 404 - Stop pin; 405 - Pressure ring;

[0040] 5-Upper section of unloading plate; 6-Lower section of unloading plate; 7-Hinge;

[0041] 8-Unloading plate; 9-Rear side wall; 10-Hydraulic cylinder. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model, typically described and labeled in the accompanying drawings, can be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0044] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0045] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0046] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0047] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0048] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0049] like Figures 1 to 5 As shown, this embodiment provides a grain box, including a grain box body 1, a base 3, a limiting mechanism 2, a hydraulic cylinder 10, and a grain box unloading mechanism;

[0050] The grain box body 1 is mounted on the base 3. The two ends of the hydraulic cylinder 10 are connected to the grain box body 1 and the base 3 respectively, so that the grain box body 1 can rotate relative to the base 3.

[0051] The limiting mechanism 2 is a support rod with a sliding groove. One end of the limiting mechanism 2 is hinged to the base 3, and the other end is slidably connected to the grain box body 1. The limiting mechanism 2 can limit the rotation angle of the grain box body 1 relative to the base 3.

[0052] The grain unloading mechanism is located at the grain outlet of the grain box body 1.

[0053] The grain unloading mechanism of the grain bin includes an unloading plate assembly and an unloading insert plate 8;

[0054] A flat slot is provided on the side wall near the grain outlet of the grain box body 1, and the unloading plate 8 can be inserted into the slot to close the grain outlet.

[0055] The unloading plate assembly includes an upper section 5 and a lower section 6. The upper end of the upper section 5 is hinged to the rear side wall 9 of the grain box body 1 near the grain outlet. The upper section 5 and the lower section 6 can be stacked and folded up. After the upper section 5 and the lower section 6 are stacked and folded up, the lower end of the upper section 5 can be fixedly connected to the left or right side wall of the grain box body 1 near the grain outlet, which can also close the grain outlet and avoid taking up more space.

[0056] Pin holes are provided at the lower end of the upper section 5 of the unloading plate and on the left or right side wall of the grain box body 1 near the grain outlet. After the unloading plate assembly is retracted, the upper section 5 of the unloading plate can be fixedly connected to the front side wall of the grain box body 1 by the elastic pin assembly 4.

[0057] like Figure 6 As shown, the elastic pin assembly 4 includes a pin 401, a U-shaped seat 402 and a spring 403; the U-shaped seat 402 is fixedly installed on the left or right side wall of the grain outlet, and the pin 401 is inserted into the U-shaped seat 402.

[0058] A stop pin 404 is provided at the front end of the pin 401; a spring 403 is provided inside the U-shaped seat 402, one end of the spring 403 abuts against the rear wall of the U-shaped seat 402, and the other end abuts against one side of the pressure ring 405; the other side of the pressure ring 405 abuts against the stop pin 404.

[0059] When unlocking, pull the pin 401 outward. The stop pin 404 drives the pressure ring 405 to compress the spring 403, and the front end of the pin 401 is pulled out of the pin hole, thus releasing the grain unloading plate assembly. After releasing the pin 401, the pin 401 will spring back under the elastic force of the spring 403.

[0060] When retracting the fixed unloading plate assembly, the pin 401 is pulled outwards, the unloading plate assembly is pushed back into place, the pin 401 is released, and the pin 401 springs back into the pin hole to complete the locking.

[0061] The rear sidewall 9 near the grain outlet of the grain box body 1 is inclined. After the unloading plate assembly is unfolded, the rear end of the upper section 5 of the unloading plate can be placed on the inclined part of the rear sidewall 9, so that the rear sidewall 9 can limit the maximum rotation angle of the upper section 5 of the unloading plate, making it convenient to unload grain.

[0062] To prevent grains from spilling from the sides of the unloading plate assembly, vertical baffles are installed on both sides of the upper section 5 and the lower section 6 of the unloading plate.

[0063] In order to allow the upper section 5 and the lower section 6 of the unloading plate to be stacked and folded up relative to each other, in one embodiment, the lower end of the upper section 5 and the upper end of the lower section 6 are connected by a hinge 7, so that the lower section 6 can rotate around the hinge 7, thereby realizing the relative folding and folding up of the upper section 5 and the lower section 6 of the unloading plate.

[0064] To prevent the baffles on both sides of the lower section 6 from being blocked by the bottom plate of the upper section 5 when the lower section 6 of the unloading plate is folded relative to the upper section 5, gaps are provided on the bottom plate of the upper section 5 of the unloading plate to allow the baffles to pass through. This allows the baffles on both sides of the lower section 6 to pass through the bottom plate of the upper section 5 of the unloading plate when the lower section 6 of the unloading plate is folded relative to the upper section 5 of the unloading plate, thus achieving complete folding and reducing space occupation.

[0065] To facilitate the removal and insertion of the unloading plate 8, a handle or grip is provided on the outside of the unloading plate 8.

[0066] This embodiment adds a grain unloading mechanism to the grain box, which not only meets the unloading height requirements and is suitable for collecting grains in bags, but also allows for direct unloading onto the grain receiving vehicle. At the same time, it avoids interference between the unloading mechanism and surrounding components during use, thus improving adaptability and practicality.

[0067] In another embodiment, the unloading plate assembly can employ a different mechanism for stacking and storage. For example... Figure 7 As shown, sliding grooves are provided on both sides of the lower section 6 of the unloading plate, and sliders are provided at corresponding positions on the upper section 5 of the unloading plate, so that the lower section 6 of the unloading plate can slide through the cooperation of the sliding grooves and the sliders, thereby realizing the pulling motion of the lower section 6 of the unloading plate relative to the upper section 5 of the unloading plate.

[0068] In other embodiments, the chute can be set on the upper section 5 of the unloading plate and the slider can be set on the lower section 6 of the unloading plate, which can also achieve the pulling action of the lower section 6 of the unloading plate relative to the upper section 5 of the unloading plate.

[0069] Limiting blocks are also provided at both ends of the chute to restrict the position of the lower section 6 of the unloading plate being pulled out and extended, thus preventing the lower section 6 of the unloading plate from coming out of the upper section 5 of the unloading plate.

[0070] This embodiment also provides a harvester, characterized in that it includes the aforementioned grain bin.

[0071] Because it adopts the aforementioned grain box and grain box unloading mechanism, the harvester also possesses all the technical effects of the aforementioned grain box unloading mechanism, which will not be elaborated upon here.

[0072] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A grain unloading mechanism for a grain bin, disposed at the grain outlet of the grain bin body, characterized in that, Includes unloading plate assembly and unloading insert plate; A slot is provided on the side wall of the grain outlet of the grain box body, and the unloading plate can be inserted into the slot to close the grain outlet; The unloading plate assembly includes an upper section and a lower section; the upper end of the upper section is hinged to the rear side wall of the grain outlet, and the upper section and the lower section can be stacked and folded up; after the upper section and the lower section are stacked and folded up, the lower end of the upper section can be fixedly connected to the side wall of the grain outlet.

2. The grain unloading mechanism of the grain bin according to claim 1, characterized in that, The lower end of the upper section of the unloading plate and the upper end of the lower section of the unloading plate are connected by a hinge, allowing the lower section of the unloading plate to rotate around the hinge.

3. The grain unloading mechanism of the grain bin according to claim 2, characterized in that, The lower section of the unloading plate is provided with vertical baffles on both sides, and the upper section of the unloading plate is provided with gaps that allow the baffles to pass through.

4. The grain unloading mechanism of the grain bin according to claim 1, characterized in that, The rear side wall of the grain outlet of the grain box body is provided with a limiting component, which can limit the maximum rotation angle of the upper part of the unloading plate.

5. The grain unloading mechanism of the grain bin according to claim 1, characterized in that, The lower end of the upper section of the unloading plate is provided with a pin hole on the left or right side wall of the grain outlet. After the unloading plate assembly is retracted, the upper section of the unloading plate is fixedly connected to the front side wall of the grain outlet by an elastic pin assembly.

6. The grain unloading mechanism of the grain bin according to claim 5, characterized in that, The elastic pin assembly includes a pin, a U-shaped seat, and a spring; The U-shaped seat is fixedly installed on the left or right side wall of the grain outlet, and the pin is inserted into the U-shaped seat; A stop pin is provided at the front end of the pin shaft; The spring is disposed inside the U-shaped seat, with one end of the spring abutting against the rear wall of the U-shaped seat and the other end abutting against one side of the pressure ring; The other side of the pressure ring abuts against the stop pin.

7. The grain unloading mechanism of the grain bin according to claim 1, characterized in that, A sliding groove is provided on one of the upper section and the lower section of the unloading plate, and a slider is provided at the corresponding position of the other section, so that the lower section of the unloading plate can move in a pulling motion relative to the upper section of the unloading plate.

8. The grain unloading mechanism of the grain bin according to claim 1, characterized in that, A handle is provided on the outside of the unloading plate.

9. A grain bin, characterized in that, It includes a grain bin body, a base, a hydraulic cylinder, a limiting mechanism, and a grain bin unloading mechanism as described in any one of claims 1 to 8; The grain box body is mounted on the base, and the two ends of the hydraulic cylinder are respectively connected to the grain box body and the base, so that the grain box body can rotate relative to the base; One end of the limiting mechanism is hinged to the base, and the other end is slidably connected to the grain box body. The limiting mechanism can limit the rotation angle of the grain box body relative to the base. The grain unloading base mechanism of the grain box is located at the grain outlet of the grain box body.

10. A harvester, characterized in that, Includes the grain box as described in claim 9.

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