Harvesting mechanism and harvester
By designing a harvesting mechanism including a rack, a fixed harvesting assembly, a movable harvesting assembly, a first drive device and a second drive device, the problem of improper cutting width of the existing corn harvester is solved, and effective adaptation and efficient harvesting are achieved in the case of uneven planting or different row spacing.
Patent Information
- Application Number
- CN202421418430.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The cutting width of existing corn harvesters is unadjustable, making it difficult to adapt to uneven planting or different row spacing, resulting in low harvesting efficiency and poor adaptability.
A harvesting mechanism is designed, including a rack, a fixed harvesting assembly, a movable harvesting assembly, a first drive device and a second drive device. The first drive device adjusts the spacing between the movable harvesting assembly and the fixed harvesting assembly to achieve overall cutting width adjustment; then, the spacing between adjacent movable harvesting devices is carefully adjusted through the second drive device to adapt to different planting conditions.
The cutting width adjustment process is simplified, the adaptability and efficiency of the harvester are improved, and it can effectively deal with uneven planting or different row spacing.
Smart Images

Figure CN222722030U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to a harvesting mechanism and a harvester. Background Art
[0002] When harvesting crops such as corn, harvesters are needed to save manpower and improve harvesting efficiency. Current corn harvesters generally have fixed cutting widths and cannot achieve the goal of harvesting crops with multiple row spacings and multiple cutting widths. During the harvesting process, it is difficult to achieve one-time harvesting when the planting is uneven or the planting row spacing is different, resulting in low harvesting efficiency and poor adaptability.
[0003] In the harvester with adjustable cutting width proposed in the prior art, a driving assembly corresponding to the ear picking device is generally arranged on the frame, and the output end of the driving assembly extends along the arrangement direction of the ear picking device to drive the change of the position of the ear picking device, thereby realizing the adjustment of the distance between adjacent ear picking devices, thereby achieving the goal of adjustable cutting width.
[0004] However, in the above-mentioned harvester with adjustable cutting width, the movement of each ear picking device needs to be adjusted separately, and the adjustment process is relatively cumbersome.
[0005] Therefore, there is an urgent need for a harvesting mechanism and a harvester to solve the above problems. Utility Model Content
[0006] According to one aspect of the utility model, the purpose is to provide a harvesting mechanism, which can simplify the process of cutting width adjustment. After the overall cutting width is adjusted, it can also be finely adjusted according to the actual planting situation to meet the harvesting conditions in the case of uneven planting or different planting row spacing.
[0007] To achieve this purpose, the utility model adopts the following technical solutions:
[0008] Harvesting agencies, including:
[0009] frame;
[0010] A fixed harvesting assembly, disposed on the frame and configured to harvest crops;
[0011] A movable harvesting assembly is arranged on the side of the fixed harvesting assembly, the movable harvesting assembly comprises a plurality of movable harvesting devices, and the movable harvesting devices are configured to harvest crops;
[0012] A first driving device is disposed between the movable harvesting assembly and the fixed harvesting assembly, and is capable of adjusting the distance between the movable harvesting assembly and the fixed harvesting assembly;
[0013] The second driving device is arranged between adjacent movable harvesting devices and can adjust the distance between adjacent movable harvesting devices.
[0014] As a preferred solution of the harvesting mechanism provided by the utility model, the fixed harvesting assembly is fixedly arranged at the center position of the frame, and the movable harvesting assemblies are movably arranged on both sides of the fixed harvesting assembly.
[0015] As a preferred solution of the harvesting mechanism provided by the utility model, the driving end of the first driving device is connected to the fixed harvesting assembly, the output end of the first driving device is connected to the movable harvesting assembly, and the output end of the first driving device can be extended relative to the driving end of the first driving device; and / or,
[0016] The driving end of the second driving device and the output end of the second driving device are respectively connected to two adjacent movable harvesting devices, and the output end of the second driving device can be extended and retracted relative to the driving end of the second driving device.
[0017] As a preferred solution of the harvesting mechanism provided by the utility model, the frame is provided with a slide rail, and a plurality of the movable harvesting devices are sequentially arranged side by side along the extension direction of the slide rail;
[0018] The movable harvesting device is provided with a sliding member, and the sliding member is slidably connected to the slide rail.
[0019] As a preferred solution of the harvesting mechanism provided by the utility model, the sliding member is provided with a sliding groove on one side facing the sliding rail, the sliding rail is arranged in the sliding groove, and the sliding rail can slide relative to the sliding groove.
[0020] As a preferred solution of the harvesting mechanism provided by the utility model, a lubricating member is provided between the slide rail and the groove wall of the slide groove.
[0021] As a preferred solution of the harvesting mechanism provided by the utility model, the second driving device is connected between the sliding members of the adjacent movable harvesting devices.
[0022] As a preferred solution of the harvesting mechanism provided by the utility model, the frame is provided with a first connecting member at a position corresponding to the side of the fixed harvesting assembly or at the side of the fixed harvesting assembly, and the first connecting member is connected to the first driving device; and / or,
[0023] A second connecting member is provided on the side of the movable harvesting device, and the second connecting member is connected to the first driving device or the second driving device.
[0024] As a preferred solution of the harvesting mechanism provided by the utility model, the first connecting member includes two first ear plates which are parallel to each other and spaced apart, the driving end of the first driving device is provided with a first connecting plate, and the first connecting plate is clamped and connected between the two first ear plates; and / or,
[0025] The second connecting member comprises two second ear plates which are parallel to each other and spaced apart, the output end of the first driving device is provided with a second connecting plate, and the second connecting plate is sandwiched and connected between the two second ear plates of one of the second connecting members; and / or,
[0026] A third connecting plate is provided at the driving end of the second driving device, and a fourth connecting plate is provided at the output end of the second driving device. The third connecting plate is clamped and connected between the two second ear plates of one second connecting member, and the fourth connecting plate is clamped and connected between the two second ear plates of another second connecting member.
[0027] As a preferred solution of the harvesting mechanism provided by the utility model, the fixed harvesting assembly includes a plurality of fixed harvesting devices, and the plurality of fixed harvesting devices are arranged side by side.
[0028] As a preferred solution of the harvesting mechanism provided by the utility model, a plurality of locking devices are arranged on the frame, and the locking devices correspond one-to-one to the movable harvesting devices and / or the fixed harvesting devices; the locking devices can lock the installation position of the movable harvesting devices and / or the fixed harvesting devices on the frame; the locking devices can also unlock the frame and the movable harvesting devices and / or unlock the frame and the fixed harvesting devices.
[0029] According to another aspect of the utility model, an object is to provide a harvester, wherein the harvester comprises a harvesting mechanism as described in any one of the above methods.
[0030] Beneficial effects of the utility model:
[0031] The harvesting mechanism provided by the utility model includes a frame, a fixed harvesting assembly, a movable harvesting assembly, a first driving device and a second driving device. The fixed harvesting assembly is arranged on the frame and is configured to harvest crops; the movable harvesting assembly is arranged on the side of the fixed harvesting assembly, and the movable harvesting assembly includes a plurality of movable harvesting devices, and the movable harvesting devices are configured to harvest crops. The first driving device is arranged between the movable harvesting assembly and the fixed harvesting assembly, and can adjust the distance between the movable harvesting assembly and the fixed harvesting assembly. The second driving device is arranged between adjacent movable harvesting devices, and can adjust the distance between adjacent movable harvesting devices. In other words, through the first driving device, the position of the movable harvesting assembly can be adjusted on the frame with the fixed harvesting assembly as a reference, so as to adjust the cutting width of the harvester in a large range as a whole, thereby simplifying the process of adjusting the cutting width. After the overall cutting width is adjusted, the second driving device is used to finely adjust the specific positions of multiple active harvesting devices, so as to finely adjust the cutting width of the harvester according to actual uneven planting or different planting row spacings, so as to further meet the harvesting conditions in cases of uneven planting or different planting row spacings. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 This is a partial structural diagram of the harvesting mechanism provided by the embodiment of the utility model. Figure 1 ;
[0033] Figure 2 yes Figure 1 A partial enlarged view of the structure marked as A;
[0034] Figure 3 This is a partial structural diagram of the harvesting mechanism provided by the embodiment of the utility model. Figure 2 .
[0035] In the figure:
[0036] 100, rack; 110, slide rail; 120, lubricating member; 130, first connecting member; 131, first ear plate;
[0037] 200. Fixed harvesting assembly; 210. Fixed harvesting device;
[0038] 300, movable harvesting assembly; 310, movable harvesting device; 320, sliding member; 330, second connecting member; 331, second ear plate;
[0039] 400, a first driving device;
[0040] 500. Second driving device. DETAILED DESCRIPTION
[0041] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0042] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0044] In the description of this embodiment, the terms "upper", "lower", "right", "left" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0045] This embodiment provides a harvester and a harvesting mechanism. The harvester includes the harvesting mechanism provided in this embodiment to harvest crops such as corn.
[0046] Figure 1 A schematic diagram showing a partial structure of the harvesting mechanism provided by an embodiment of the utility model Figure 1 , Figure 2 Show Figure 1 A partial enlarged view of the structure marked as A. Figure 1 and Figure 2The harvesting mechanism provided in this embodiment includes a frame 100, a fixed harvesting assembly 200, a movable harvesting assembly 300, a first driving device 400 and a second driving device 500.
[0047] Specifically, the fixed harvesting assembly 200 is arranged on the frame 100 and is configured to harvest crops. The movable harvesting assembly 300 is arranged on the side of the fixed harvesting assembly 200, and the movable harvesting assembly 300 includes a plurality of movable harvesting devices 310, and the movable harvesting devices 310 are configured to harvest crops. The first driving device 400 is arranged between the movable harvesting assembly 300 and the fixed harvesting assembly 200, and can adjust the distance between the movable harvesting assembly 300 and the fixed harvesting assembly 200. The second driving device 500 is arranged between adjacent movable harvesting devices 310, and can adjust the distance between adjacent movable harvesting devices 310. In other words, through the first driving device 400, the position of the movable harvesting assembly 300 can be adjusted on the frame 100 with the fixed harvesting assembly 200 as a reference, so as to adjust the cutting width of the harvesting mechanism in a large range as a whole, thereby simplifying the process of adjusting the cutting width. After the overall cutting width is adjusted, the second driving device 500 is used to finely adjust the specific positions of the multiple active harvesting devices 310, so as to finely adjust the cutting width of the harvesting mechanism according to the actual uneven planting or different planting row spacing, so as to further meet the harvesting conditions of uneven planting or different planting row spacing. In this embodiment, the harvesting mechanism is specifically a corn harvesting mechanism, and the active harvesting device 310 can be specifically selected as an ear picking device in the prior art, and its structure and principle are not described in detail in this embodiment.
[0048] More specifically, the fixed harvesting assembly 200 includes a plurality of fixed harvesting devices 210, and the plurality of fixed harvesting devices 210 are arranged side by side along the width direction of the frame 100. Through the above arrangement, the uniformity and efficiency of harvesting can be improved. In the present embodiment, there are specifically two fixed harvesting devices 210. In other embodiments, the fixed harvesting devices 210 can also be set to more than two according to actual conditions, and the specific number thereof is not limited in this embodiment. The above-mentioned fixed harvesting device 210 can also select an ear picking device in the prior art, and its structure and principle are not described in detail in this embodiment.
[0049] More specifically, the fixed harvesting assembly 200 can be fixedly arranged at the center position of the frame 100, and the movable harvesting assembly 300 can be movably arranged on both sides of the fixed harvesting assembly 200. Through the above arrangement, the fixed harvesting assembly 200, which serves as the reference for adjusting the cutting width, is arranged at the center, and the positions of the two movable harvesting assemblies 300 on both sides thereof are adjusted simultaneously, which can improve the uniformity of the distribution of the fixed harvesting assembly 200 and the movable harvesting assembly 300 on the frame 100, ensure the uniformity of the load on the frame 100, and prevent the problem of the frame 100 being skewed due to the poor uniformity of the distribution of the fixed harvesting assembly 200 and the movable harvesting assembly 300. In this embodiment, each fixed harvesting assembly 200 includes two fixed harvesting devices 210 arranged side by side.
[0050] Continue to refer to Figure 1 and Figure 2 , the driving end of the first driving device 400 is connected to the fixed harvesting assembly 200, the output end of the first driving device 400 is connected to the movable harvesting assembly 300, and the output end of the first driving device 400 can be telescopic relative to the driving end of the first driving device 400; and / or, the driving end of the second driving device 500 and the output end of the second driving device 500 are respectively connected to two adjacent movable harvesting devices 310, and the output end of the second driving device 500 can be telescopic relative to the driving end of the second driving device 500. In this embodiment, the first driving device 400 and the second driving device 500 can both be hydraulic telescopic devices in the prior art, the driving end of the first driving device 400 and the driving end of the second driving device 500 can both be oil cylinders, and the output end of the first driving device 400 and the output end of the second driving device 500 can both be telescopic rods. In other embodiments, the first driving device 400 and the second driving device 500 may also select pneumatic telescopic devices in the prior art. This embodiment does not limit the specific types of the first driving device 400 and the second driving device 500.
[0051] Reference Figure 2 The frame 100 is provided with a first connecting member 130 at a position corresponding to the side of the fixed harvesting assembly 200 or the side of the fixed harvesting assembly 200, and the first connecting member 130 is connected to the first driving device 400; and / or, a second connecting member 330 is provided on the side of the movable harvesting device 310, and the second connecting member 330 is connected to the first driving device 400 or the second driving device 500.
[0052] Specifically, the frame 100 is provided with a first connecting member 130 at a position corresponding to the side of the fixed harvesting assembly 200, and the driving end of the first driving device 400 is connected to the first connecting member 130. The movable harvesting device 310 is provided with a second connecting member 330, and the output end of the first driving device 400 is connected to the second connecting member 330 of one of the movable harvesting devices 310. The driving end of the second driving device 500 and the output end of the second driving device 500 are respectively connected to the second connecting members 330 of two adjacent movable harvesting devices 310.
[0053] To be more specific, in this embodiment, first connecting members 130 are respectively provided on the left and right sides corresponding to the two fixed harvesting devices 210. The driving end of one first driving device 400 is connected to one first connecting member 130, and the driving end of another first driving device 400 is connected to another first connecting member 130. The second connecting member 330 on a movable harvesting device 310 close to the fixed harvesting assembly 200 in the same movable harvesting assembly 300 is used to connect the output end of the first driving device 400 and the driving end of a second driving device 500. The second connecting member 330 on a movable harvesting device 310 far from the fixed harvesting assembly 200 in the same movable harvesting assembly 300 is used to connect the output end of a second driving device 500 and the driving end of another second driving device 500.
[0054] Specifically, the first connecting member 130 includes two first ear plates 131 that are parallel to each other and spaced apart, and the driving end of the first driving device 400 is provided with a first connecting plate, which is clamped between the two first ear plates 131 and connected by a first connecting bolt. The second connecting member 330 includes two second ear plates 331 that are parallel to each other and spaced apart. The output end of the first driving device 400 is provided with a second connecting plate, which is clamped between the two second ear plates 331 of the second connecting member 330 of a movable harvesting device 310 close to the fixed harvesting assembly 200, and is connected by a second connecting bolt. The driving end of the second driving device 500 is provided with a third connecting plate, which is clamped between the two second ear plates 331 of the second connecting member 330 of a movable harvesting device 310 close to the fixed harvesting assembly 200, and is connected by a second connecting bolt. The output end of the second driving device 500 is provided with a fourth connecting plate, which is clamped between the two second ear plates 331 of the second connecting member 330 of a movable harvesting device 310 away from the fixed harvesting assembly 200, and is penetrated and connected by a third connecting bolt. Through the above arrangement, the connection reliability of the first connecting member 130 and the second connecting member 330 can be improved.
[0055] Figure 3A schematic diagram showing a partial structure of the harvesting mechanism provided by an embodiment of the utility model Figure 2 . Reference Figure 3 The frame 100 is provided with a slide rail 110 along its width direction, and a plurality of the movable harvesting devices 310 are arranged in a straight line in a direction along which the slide rail 110 extends. The movable harvesting devices 310 are provided with a sliding member 320, and the sliding member 320 is slidably connected to the slide rail 110 to drive the movable harvesting devices 310 to move along the direction in which the slide rail 110 extends.
[0056] Specifically, the second driving device 500 is connected between the sliding members 320 of the adjacent movable harvesting devices 310. That is, the second connecting member 330 is fixedly arranged on the sliding member 320. Through the above arrangement, the problem of insufficient stress concentration strength caused by arranging the second connecting member 330 on the body of the movable harvesting device 310 can be avoided.
[0057] More specifically, the sliding member 320 is in an “n”-shaped structure, and a sliding groove is provided on one side of the sliding member 320 facing the sliding rail 110 . The sliding rail 110 is disposed in the sliding groove, and the sliding rail 110 can slide relative to the sliding groove.
[0058] More specifically, a plurality of lubricating members 120 are disposed between the slide rail 110 and the groove wall of the slide groove, and the plurality of lubricating members 120 are spaced apart from each other and disposed along the extension direction of the slide rail 110. In this embodiment, the lubricating members 120 may be nylon washers, and the above arrangement can improve the smoothness of the relative sliding of the slide member 320 and the slide rail 110.
[0059] It should be noted that the frame 100 is provided with a plurality of locking devices, and the movable harvesting device 310 and the fixed harvesting device 210 are respectively slidably arranged on the frame 100. The locking device corresponds to the movable harvesting device 310 and / or the fixed harvesting device 210 one by one. The locking device can lock the installation position of the movable harvesting device 310 and / or the fixed harvesting device 210 on the frame 100. The locking device can also unlock the frame 100 and the movable harvesting device 310 and / or unlock the frame 100 and the fixed harvesting device 210. Through the above arrangement, the flexibility of the harvesting mechanism can be further improved, and it is convenient to finely adjust the cutting width according to the specific planting situation; and the stability of the fixed harvesting device 210 and the movable harvesting device 310 can be ensured, and the harvesting effect can be improved. The locking device can select any device in the prior art that can realize rigid connection locking and unlocking, and its specific type is not limited in this embodiment.
[0060] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.
Claims
1. A harvesting mechanism, characterized in that: include: Rack(100); A fixed harvesting assembly (200), disposed on the frame (100), configured to harvest crops; A movable harvesting assembly (300) is arranged on a side of the fixed harvesting assembly (200), wherein the movable harvesting assembly (300) comprises a plurality of movable harvesting devices (310), and the movable harvesting devices (310) are configured to harvest crops; A first driving device (400) is arranged between the movable harvesting assembly (300) and the fixed harvesting assembly (200), and is capable of adjusting the distance between the movable harvesting assembly (300) and the fixed harvesting assembly (200); The second driving device (500) is arranged between adjacent movable harvesting devices (310) and is capable of adjusting the distance between adjacent movable harvesting devices (310).
2. The harvesting mechanism according to claim 1, characterized in that: The fixed harvesting assembly (200) is fixedly arranged at the center position of the frame (100), and the movable harvesting assemblies (300) are movably arranged on both sides of the fixed harvesting assembly (200).
3. The harvesting mechanism according to claim 1, characterized in that: The driving end of the first driving device (400) is connected to the fixed harvesting assembly (200), the output end of the first driving device (400) is connected to the movable harvesting assembly (300), and the output end of the first driving device (400) is capable of extending and retracting relative to the driving end of the first driving device (400); and / or, The driving end of the second driving device (500) and the output end of the second driving device (500) are respectively connected to two adjacent movable harvesting devices (310), and the output end of the second driving device (500) can be extended and retracted relative to the driving end of the second driving device (500).
4. The harvesting mechanism according to claim 1, characterized in that: The frame (100) is provided with a slide rail (110), and a plurality of movable harvesting devices (310) are sequentially arranged side by side along the extension direction of the slide rail (110); The movable harvesting device (310) is provided with a sliding member (320), and the sliding member (320) is slidably connected to the slide rail (110).
5. The harvesting mechanism according to claim 4, characterized in that: The sliding member (320) has a sliding groove on one side facing the sliding rail (110), the sliding rail (110) is arranged in the sliding groove, and the sliding rail (110) can slide relative to the sliding groove.
6. The harvesting mechanism according to claim 5, characterized in that: A lubricating member (120) is provided between the slide rail (110) and the groove wall of the slide groove.
7. The harvesting mechanism according to claim 4, characterized in that: The second driving device (500) is connected between the sliding members (320) of adjacent movable harvesting devices (310).
8. The harvesting mechanism according to claim 1, characterized in that: The frame (100) is provided with a first connecting member (130) at a position corresponding to the side of the fixed harvesting assembly (200) or at the side of the fixed harvesting assembly (200), and the first connecting member (130) is connected to the first driving device (400); and / or, A second connecting member (330) is provided on the side of the movable harvesting device (310), and the second connecting member (330) is connected to the first driving device (400) or the second driving device (500).
9. The harvesting mechanism according to claim 8, characterized in that: The first connecting member (130) comprises two first ear plates (131) which are parallel to each other and spaced apart, the first driving device (400) is provided with a first connecting plate, and the first connecting plate is sandwiched and connected between the two first ear plates (131); and / or, The second connecting member (330) comprises two second ear plates (331) which are parallel to each other and spaced apart, the output end of the first driving device (400) is provided with a second connecting plate, and the second connecting plate is sandwiched and connected between the two second ear plates (331) of one of the second connecting members (330); and / or, A third connecting plate is provided at the driving end of the second driving device (500), and a fourth connecting plate is provided at the output end of the second driving device (500); the third connecting plate is clamped and connected between the two second ear plates (331) of one second connecting member (330), and the fourth connecting plate is clamped and connected between the two second ear plates (331) of another second connecting member (330).
10. The harvesting mechanism according to any one of claims 1 to 9, characterized in that: The fixed harvesting assembly (200) comprises a plurality of fixed harvesting devices (210), and the plurality of fixed harvesting devices (210) are arranged side by side.
11. The harvesting mechanism according to claim 10, characterized in that: The frame (100) is provided with a plurality of locking devices, and the locking devices correspond to the movable harvesting devices (310) and / or the fixed harvesting devices (210) one by one; the locking devices are capable of locking the installation positions of the movable harvesting devices (310) and / or the fixed harvesting devices (210) on the frame (100); the locking devices are also capable of unlocking the frame (100) and the movable harvesting devices (310) and / or unlocking the frame (100) and the fixed harvesting devices (210).
12. A harvester, characterized in that: It comprises a harvesting mechanism as described in any one of claims 1-11.