Header and harvester

Abstract

The utility model belongs to the technical field of agricultural machinery, and discloses a header and a harvester, in the header, a first transmission shaft extends along a first direction, and the first transmission shaft is rotatably arranged on a rack and used for being connected with a driving source; the first ear picking device is arranged on the rack and is in transmission connection with the first transmission shaft; the second transmission shaft can slide relative to the first transmission shaft in the first direction and can rotate synchronously with the first transmission shaft. The second ear picking device is slidably arranged on the rack in the first direction and is in transmission connection with the second transmission shaft, and the second ear picking device and the second transmission shaft synchronously move in the first direction; the header drives the first ear picking device to work through the first transmission shaft, power is transmitted through synchronous rotation connection of the first transmission shaft and the second transmission shaft, the second ear picking device is driven to work through the second transmission shaft, a long hexagonal shaft does not need to be arranged, and machining and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a cutting platform and a harvester. Background Art

[0002] A corn harvester is used to automatically harvest corn, and generally includes an ear picking device. The ear picking device as a whole can rotate relative to the harvester body to pull the corn stalks and peel the corn.

[0003] Since there is a large difference in the row spacing of corn planting between different regions, in order to adapt to different row spacings of corn planting, the prior art provides a corn cutting platform with adjustable row spacing, which includes a fixed ear picking device and two sliding ear picking devices arranged on one side of the fixed ear picking device, and the two sliding ear picking devices are both slidably arranged on a hexagonal shaft, and the fixed ear picking device is fixedly connected to the hexagonal shaft, so as to realize the sliding of the sliding ear picking device relative to the fixed ear picking device to adapt to corn planting areas with different row spacings. In addition, the hexagonal shaft can be driven to rotate to simultaneously drive the stem pulling rollers of multiple ear picking devices to rotate. However, the hexagonal shaft needs to pass through the fixed ear picking device and the two sliding ear picking devices in sequence, so a longer hexagonal shaft is required. On the one hand, the straightness of the hexagonal shaft is difficult to ensure, the processing difficulty is high, and the replacement cost is high, and the maintenance is inconvenient; on the other hand, the hexagonal shaft is prone to deformation during use. Utility Model Content

[0004] According to one aspect of the utility model, the utility model provides a cutting table to solve the problems in the prior art that the straightness of the hexagonal shaft is difficult to ensure, the processing is difficult, the replacement cost is high, the maintenance is inconvenient, and the hexagonal shaft is prone to deformation during use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] Header, including:

[0007] frame;

[0008] A first transmission shaft extending along a first direction, the first transmission shaft being rotatably disposed on the frame and used for connecting to a driving source;

[0009] A first ear picking device is arranged on the frame and is drivingly connected to the first transmission shaft;

[0010] A sliding ear picking component, the sliding ear picking component comprising:

[0011] a second transmission shaft, capable of sliding relative to the first transmission shaft in a first direction and capable of rotating synchronously with the first transmission shaft;

[0012] The second ear picking device is slidably arranged on the frame along the first direction and is transmission-connected to the second transmission shaft. The second ear picking device is configured to move synchronously with the second transmission shaft along the first direction.

[0013] As a preferred solution of the cutting platform, it also includes a connecting shaft, a first end of which is connected to the first transmission shaft, the cross-section of the connecting shaft is polygonal, and the second transmission shaft is slidably mounted on the second end of the connecting shaft and fits against the outer wall of the connecting shaft.

[0014] As a preferred solution of the header, the cross section of the connecting shaft is a regular hexagon.

[0015] As a preferred solution of the harvesting platform, the first transmission shaft is fixedly arranged on the frame, and the first end of the connecting shaft is fixedly arranged on the first transmission shaft.

[0016] As a preferred embodiment of the cutting table, the sliding ear picking assembly also includes a sliding gear box, the box body of the sliding gear box is slidably arranged on the frame along a first direction, the second ear picking device is connected to the box body of the sliding gear box, a gear is arranged inside the sliding gear box, the second transmission shaft is transmission connected to the gear, and the gear is transmission connected to the second ear picking device.

[0017] As a preferred solution of the harvesting platform, the sliding ear picking assembly includes two second transmission shafts, two second ear picking devices and two sliding gear boxes, the two sliding gear boxes are arranged on the two second transmission shafts in a one-to-one correspondence, and the two second ear picking devices are fixedly connected to the box bodies of the two sliding gear boxes in a one-to-one correspondence;

[0018] The two second transmission shafts are coaxial and fixedly connected; or the two second transmission shafts are connected via a coupling.

[0019] As a preferred solution of the harvesting platform, the harvesting platform further includes a sliding drive member, and the sliding drive member is used to drive the sliding gear box or the second ear picking device to slide relative to the frame.

[0020] As a preferred solution of the harvesting platform, the frame is further fixedly provided with a crossbeam extending along the first direction, and the box body of the sliding gear box or the second ear picking device is slidably arranged on the crossbeam.

[0021] As a preferred solution for the harvesting table, two of the sliding ear-picking components and two of the first transmission shafts are provided, the two first transmission shafts are spaced apart along the first direction, the two sliding ear-picking components are arranged in one-to-one correspondence with the two first transmission shafts, and the two first transmission shafts are located between the two sliding ear-picking components.

[0022] According to another aspect of the utility model, a harvester is provided, comprising the above-mentioned cutting table and a harvester body, wherein the frame is fixedly arranged on the harvester body.

[0023] The beneficial effects of the utility model are:

[0024] The utility model provides a harvesting platform, including a frame, a first transmission shaft, a first ear picking device and a sliding ear picking assembly, wherein the first transmission shaft extends along a first direction, the first transmission shaft is rotatably arranged on the frame, and is used to connect a driving source; the first ear picking device is arranged on the frame, and is connected to the first transmission shaft by transmission, so that the first transmission shaft can drive the first ear picking device to work, so as to complete the harvesting of crops. The sliding ear picking assembly includes a second transmission shaft and a second ear picking device, the second transmission shaft can slide relative to the first transmission shaft along the first direction, and can rotate synchronously with the first transmission shaft to transmit power. The second ear picking device is slidably arranged on the frame along the first direction, and is connected to the second transmission shaft by transmission, so that the second transmission shaft can drive the second ear picking device to work, so as to complete the harvesting of crops. The second ear picking device is configured to move synchronously with the second transmission shaft along the first direction, so that the sliding ear picking assembly as a whole can slide relative to the frame along the first direction, thereby changing the distance between the sliding ear picking assembly and the first ear picking device to adapt to crop planting areas with different row spacings. In addition, the harvesting table drives the first ear picking device through the first transmission shaft, transmits power through the synchronous rotation connection between the first transmission shaft and the second transmission shaft, and drives the second ear picking device through the second transmission shaft. There is no need to set up a longer hexagonal shaft, which is convenient for processing and maintenance.

[0025] The utility model also provides a harvester, including the above-mentioned cutting table and a harvester body, wherein the frame is fixedly arranged on the harvester body. The cutting table drives the first ear picking device to work through the first transmission shaft, transmits power through the synchronous rotation connection between the first transmission shaft and the second transmission shaft, and drives the second ear picking device to work through the second transmission shaft, and does not need to set a long hexagonal shaft, which is convenient for processing and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The structure diagram of the cutting platform in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0027] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0028] Figure 3 The structure diagram of the cutting platform in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0029] Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0030] In the figure:

[0031] 1. Frame; 11. Crossbeam;

[0032] 2. first transmission shaft; 21. rotating driving member; 22. bolt;

[0033] 3. The first ear picking device;

[0034] 4. Second transmission shaft; 41. Extension rod; 42. Connecting plate;

[0035] 5. The second ear picking device;

[0036] 6. Connecting shaft;

[0037] 7. Sliding gear box; 71. Sliding base;

[0038] 8. Sliding drive member; 81. Fixed end; 82. Telescopic end;

[0039] 9. Fix the gear box. DETAILED DESCRIPTION

[0040] 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.

[0041] 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.

[0042] 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.

[0043] In the description of this embodiment, the terms "upper", "lower", "left", "right" 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.

[0044] Since there is a large difference in the row spacing of corn planting between different regions, in order to adapt to different row spacings of corn planting, the prior art provides a corn cutting platform with adjustable row spacing, which includes a fixed ear picking device and two sliding ear picking devices arranged on one side of the fixed ear picking device, and the two sliding ear picking devices are both slidably arranged on a hexagonal shaft, and the fixed ear picking device is fixedly connected to the hexagonal shaft, so as to realize the sliding of the sliding ear picking device relative to the fixed ear picking device to adapt to corn planting areas with different row spacings. In addition, the hexagonal shaft can be driven to rotate to simultaneously drive the stem pulling rollers of multiple ear picking devices to rotate. However, the hexagonal shaft needs to pass through the fixed ear picking device and the two sliding ear picking devices in sequence, so a longer hexagonal shaft is required. On the one hand, the straightness of the hexagonal shaft is difficult to ensure, the processing difficulty is high, and the replacement cost is high, and the maintenance is inconvenient; on the other hand, the hexagonal shaft is prone to deformation during use.

[0045] In response to the above problems, this embodiment provides a cutting table to solve the problems in the prior art that the straightness of the hexagonal shaft is difficult to ensure, the processing is difficult, the replacement cost is high, the maintenance is inconvenient, and the hexagonal shaft is prone to deformation during use. The cutting table can be used in the field of agricultural machinery technology, specifically in harvesters.

[0046] Reference Figure 1-Figure 4The harvesting station includes a frame 1, a first transmission shaft 2, a first ear picking device 3 and a sliding ear picking assembly. The first transmission shaft 2 extends along a first direction, and the first transmission shaft 2 is rotatably arranged on the frame 1 and used to connect a driving source. The first ear picking device 3 is arranged on the frame 1 and is connected to the first transmission shaft 2 by transmission, so that the first transmission shaft 2 can drive the first ear picking device 3 to work to complete the harvesting of crops. The sliding ear picking assembly includes a second transmission shaft 4 and a second ear picking device 5. The second transmission shaft 4 can slide along the first direction relative to the first transmission shaft 2 and can rotate synchronously with the first transmission shaft 2 to transmit power. The second ear picking device 5 is slidably arranged on the frame 1 along the first direction and is connected to the second transmission shaft 4 by transmission, so that the second transmission shaft 4 can drive the second ear picking device 5 to work to complete the harvesting of crops. The second ear picking device 5 is configured to move synchronously with the second transmission shaft 4 along the first direction, so that the sliding ear picking assembly as a whole can slide relative to the frame 1 along the first direction, thereby changing the distance between the sliding ear picking assembly and the first ear picking device 3 to adapt to crop planting areas with different row spacings. In addition, the harvesting table drives the first ear picking device 3 through the first transmission shaft 2, transmits power through the synchronous rotation connection between the first transmission shaft 2 and the second transmission shaft 4, and drives the second ear picking device 5 through the second transmission shaft 4. There is no need to set up a longer hexagonal shaft, which is convenient for processing and maintenance.

[0047] Optionally, the driving source connected to the first transmission shaft 2 is a rotating driving member 21 disposed on the frame 1 , and the rotating driving member 21 may specifically be a driving member such as an electric motor or a hydraulic motor.

[0048] The first ear-picking device 3 includes structures such as a stem-pulling roller, a reed-pulling chain, and a bottom knife. The stem-pulling roller, the reed-pulling chain, and the bottom knife are directly or indirectly connected to the first transmission shaft 2. The first transmission shaft 2 transmits power to the stem-pulling roller, the reed-pulling chain, and the bottom knife, and the harvesting of crops such as corn is completed through the stem-pulling roller, the reed-pulling chain, and the bottom knife. The second ear-picking device 5 can also be a stem-pulling roller, a reed-pulling chain, and a bottom knife. The stem-pulling roller, the reed-pulling chain, and the bottom knife are directly or indirectly connected to the second transmission shaft 4. The second transmission shaft 4 transmits power to the stem-pulling roller, the reed-pulling chain, and the bottom knife, and the harvesting of crops such as corn is completed through the stem-pulling roller, the reed-pulling chain, and the bottom knife.

[0049] Continue to refer to Figure 1-Figure 4The header also includes a connecting shaft 6, a first end of which is connected to the first transmission shaft 2, and the cross section of the connecting shaft 6 is a polygon, and the second transmission shaft 4 is slidably sleeved on the second end of the connecting shaft 6 and fits with the outer wall of the connecting shaft 6, so that the second transmission shaft 4 and the connecting shaft 6 are slidably connected, and the two can rotate synchronously to transmit power. Compared with the hexagonal shaft in the prior art, the connecting shaft 6 of this embodiment only needs to be slidably plugged into the second transmission shaft 4, and the connecting shaft 6 will not be separated from the second transmission shaft 4 to complete the transmission of power, so the first transmission shaft 2, the connecting shaft 6, and the second transmission shaft 4 are in the form of sections, each section is shorter, has stronger torque resistance, is not easy to deform, and has low processing and replacement costs, and is easy to maintain.

[0050] In this embodiment, the cross section of the connecting shaft 6 is a regular hexagon, which is convenient for processing and makes the force more balanced when the connecting shaft 6 transmits power to the second transmission shaft 4. In other embodiments, the cross section of the connecting shaft 6 can also be a triangle, a square, a regular octagon, a D-shape, a racetrack shape, or a T-shape.

[0051] Continue to refer to Figure 1-Figure 4 In this embodiment, the first transmission shaft 2 is fixedly disposed on the frame 1, and the first end of the connecting shaft 6 is fixedly disposed on the first transmission shaft 2, so that the first transmission shaft 2 and the connecting shaft 6 are both fixed relative to the frame 1, so that the position of the first ear-picking device 3 on the frame 1 remains fixed, specifically, the connection is fixed by bolts 22, and the bolts 22 pass through the first transmission shaft 2 and the connecting shaft 6 in sequence. In other embodiments, the first transmission shaft 2 is slidably mounted on the connecting shaft 6, and the first ear-picking device 3 can slide relative to the frame 1 along the first direction, and the first transmission shaft 2 and the first ear-picking device 3 can move synchronously along the first direction, so that the first transmission shaft 2 and the first ear-picking device 3 can also slide relative to the frame 1.

[0052] Continue to refer to Figure 1-Figure 4 The sliding ear picking assembly also includes a sliding gear box 7, the housing of the sliding gear box 7 is slidably arranged on the frame 1 along the first direction, the second ear picking device 5 is connected to the housing of the sliding gear box 7, a gear is arranged inside the sliding gear box 7, the second transmission shaft 4 is connected to the gear, and the gear is connected to the second ear picking device 5, that is, the second transmission shaft 4 and the second ear picking device 5 are connected through the gear transmission. In addition, the second ear picking device 5, the housing of the sliding gear box 7 and the first transmission shaft 2 can move synchronously along the first direction.

[0053] Optionally, the cutting platform further includes a fixed gear box 9, the housing of the fixed gear box 9 is fixedly arranged on the frame 1, the first ear picking device 3 is connected to the housing of the fixed gear box 9, a transmission gear is arranged inside the fixed gear box 9, and the transmission gear is connected to the first ear picking device 3, that is, the first transmission shaft 2 and the first ear picking device 3 are connected by gear transmission. Among them, the housing of the fixed gear box 9 is fixedly arranged on the frame 1.

[0054] Continue to refer to Figure 1-Figure 4 The sliding ear picking assembly includes two second transmission shafts 4, two second ear picking devices 5 and two sliding gear boxes 7. The two sliding gear boxes 7 are arranged on the two second transmission shafts 4 in a one-to-one correspondence. The two second ear picking devices 5 are fixedly connected to the box bodies of the two sliding gear boxes 7 in a one-to-one correspondence. One of the second transmission shafts 4 is sleeved on the connecting shaft 6 to realize power transmission. The two second transmission shafts 4 are coaxial and fixedly connected; or the two second transmission shafts 4 are connected by a coupling. In this embodiment, an extension rod 41 is provided at one end of the two second transmission shafts 4 that are close to each other. The extension rod 41 is connected to a connecting plate 42. The two connecting plates 42 are fixedly connected by structures such as connecting bolts, thereby realizing the fixation between the two transmission shafts 4 and facilitating disassembly and assembly.

[0055] Optionally, in the present embodiment, two first ear-picking devices 3 and two fixed gear boxes 9 are also provided, and the two first ear-picking devices 3 are fixedly connected to the housings of the two fixed gear boxes 9 in a one-to-one correspondence.

[0056] Continue to refer to Figure 1-Figure 4 , the cutting table also includes a sliding drive member 8, and the sliding drive member 8 is used to drive the sliding gear box 7 or the second ear picking device 5 to slide relative to the frame 1. In this embodiment, a sliding base 71 is specifically connected between the two sliding gear boxes 7, and the sliding drive member 8 is used to drive the sliding base 71 to slide relative to the frame 1, so that the sliding gear box 7 and the second ear picking device 5 slide relative to the frame 1. In other embodiments, the sliding drive member 8 can also be connected to the sliding gear box 7 or the second ear picking device 5 to drive the sliding gear box 7 and the second ear picking device 5 to slide relative to the frame 1. Specifically, the sliding drive member 8 includes a fixed end 81 connected to the frame 1 and a telescopic end 82 connected to the sliding base 71, and the telescopic end 82 can reciprocate along a first direction relative to the fixed end 81, thereby driving the sliding base 31 to slide.

[0057] Continue to refer to Figure 1-Figure 4 The frame 1 is also fixedly provided with a crossbeam 11 extending along the first direction. The box body of the sliding gear box 7 or the second ear picking device 5 is slidably set on the crossbeam 11, thereby providing support for the sliding ear picking assembly. In this embodiment, the sliding base 71 is specifically slidably set on the crossbeam 11.

[0058] Continue to refer to Figure 1-Figure 4There are two sliding ear-picking components and two first transmission shafts 2, the two first transmission shafts 2 are spaced apart along the first direction, the two sliding ear-picking components are arranged one-to-one with the two first transmission shafts 2, and the two first transmission shafts 2 are located between the two sliding ear-picking components. At the same time, there are two corresponding connecting shafts 6, and the two connecting shafts 6 are respectively fixedly connected with the two first transmission shafts 2 one-to-one, and are used to transmit power to the second transmission shafts 4 of the two sliding ear-picking components respectively.

[0059] As an alternative, two sliding ear picking assemblies are provided, and only one first transmission shaft 2 is provided, the first transmission shaft 2 passes through the housing of the two fixed gear boxes 9, and the two connecting shafts 6 are respectively fixedly connected to the two ends of the first transmission shaft 2. Such a configuration facilitates the rotation drive member 21 to transmit power to the first transmission shaft 2, but the length of the first transmission shaft 2 will be increased.

[0060] The present embodiment also provides a harvester, which may be a corn harvester or a sorghum harvester. The harvester includes the above-mentioned header and a harvester body, and a frame 1 is fixedly arranged on the harvester body. The header drives a first ear picking device 3 to work through a first transmission shaft 2, transmits power through the synchronous rotation connection of the first transmission shaft 2 and the second transmission shaft 4, and drives a second ear picking device 5 to work through the second transmission shaft 4, without the need to set a long hexagonal shaft, which is convenient for processing and maintenance.

[0061] 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 header, characterized in that: include: Rack (1); A first transmission shaft (2) extending along a first direction, the first transmission shaft (2) being rotatably disposed on the frame (1) and being used to connect to a driving source; A first ear picking device (3) is arranged on the frame (1) and is drivingly connected to the first transmission shaft (2); A sliding ear picking component, the sliding ear picking component comprising: a second transmission shaft (4) capable of sliding relative to the first transmission shaft (2) along a first direction and capable of rotating synchronously with the first transmission shaft (2); The second ear picking device (5) is slidably arranged on the frame (1) along the first direction and is transmission-connected to the second transmission shaft (4). The second ear picking device (5) is configured to move synchronously with the second transmission shaft (4) along the first direction.

2. The header according to claim 1, characterized in that: It also includes a connecting shaft (6), the first end of which is connected to the first transmission shaft (2), the cross-section of the connecting shaft (6) is polygonal, and the second transmission shaft (4) is slidably mounted on the second end of the connecting shaft (6) and fits against the outer wall of the connecting shaft (6).

3. The header according to claim 2, characterized in that: The cross section of the connecting shaft (6) is a regular hexagon.

4. The header according to claim 2, characterized in that: The first transmission shaft (2) is fixedly arranged on the frame (1), and the first end of the connecting shaft (6) is fixedly arranged on the first transmission shaft (2).

5. The header according to claim 1, characterized in that: The sliding ear picking assembly also includes a sliding gear box (7), the box body of the sliding gear box (7) is slidably arranged on the frame (1) along a first direction, the second ear picking device (5) is connected to the box body of the sliding gear box (7), a gear is arranged inside the sliding gear box (7), the second transmission shaft (4) is transmission-connected to the gear, and the gear is transmission-connected to the second ear picking device (5).

6. The header according to claim 5, characterized in that: The sliding ear picking assembly comprises two second transmission shafts (4), two second ear picking devices (5) and two sliding gear boxes (7), the two sliding gear boxes (7) being arranged on the two second transmission shafts (4) in a one-to-one correspondence, and the two second ear picking devices (5) being fixedly connected to the box bodies of the two sliding gear boxes (7) in a one-to-one correspondence; The two second transmission shafts (4) are coaxial and fixedly connected; or the two second transmission shafts (4) are connected via a coupling.

7. The header according to claim 5, characterized in that: The cutting platform further comprises a sliding drive member (8), and the sliding drive member (8) is used to drive the sliding gear box (7) or the second ear picking device (5) to slide relative to the frame (1).

8. The header according to claim 5, characterized in that: The frame (1) is also fixedly provided with a crossbeam (11) extending along a first direction, and the box body of the sliding gear box (7) or the second ear picking device (5) is slidably arranged on the crossbeam (11).

9. The header according to claim 1, characterized in that: The two sliding ear-picking components and the two first transmission shafts (2) are both provided with two, the two first transmission shafts (2) are arranged at intervals along the first direction, the two sliding ear-picking components are arranged in a one-to-one correspondence with the two first transmission shafts (2), and the two first transmission shafts (2) are both located between the two sliding ear-picking components.

10. A harvester, characterized in that: It comprises the harvesting platform as described in any one of claims 1 to 9, and also comprises a harvester body, and the frame (1) is fixedly arranged on the harvester body.

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