Grain lifting structure and harvester

Abstract

The utility model provides a grain lifting structure and a harvester, the grain lifting structure comprises a horizontal pusher shell and a chain harrow type lifter shell, the outlet end of the horizontal pusher shell is provided with a transition shell, an auger shaft is arranged in the horizontal pusher shell, and the shaft head of the auger shaft extends out of the transition shell; the lower end of the chain harrow type elevator shell is located on one side of the auger shaft and connected with the transition shell, a power input shaft is arranged at the lower end of the chain harrow type elevator shell, and the power input shaft extends out of the transition shell. And the power input shaft is in transmission connection with the auger shaft through a chain. According to the utility model, the lower end of the chain harrow type elevator shell and the auger shaft are horizontally staggered, so that the volume of the grain recovery box is increased conveniently, the height of the whole vehicle does not need to be increased, and the compact layout of the whole vehicle is not influenced; in addition, the power input shaft and the auger shaft are in chain transmission, so that the rotating speed difference between the power input shaft and the auger shaft is variable, and material accumulation and blockage are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of harvester grain elevators, in particular to a grain elevator structure and a harvester. Background Art

[0002] Some existing harvester models are equipped with a horizontal push auger and a chain rake type grain elevator. The lower end of the chain rake type grain elevator is its inlet, and the outlet of the horizontal push auger extends into the lower end shell of the grain elevator and is coaxially arranged with the transmission sprocket at the lower end of the grain elevator. When working, the horizontal push auger is driven by the drive device of the harvester, and the transmission sprocket at the lower end of the grain elevator is driven at the same time, so that the horizontal push auger and the grain elevator rotate at the same speed, and the horizontal push auger transfers the grains to the shell at the inlet end of the grain elevator, and the grain elevator lifts the grains and sends them to the grain recovery box.

[0003] However, due to the compact layout of the vehicle, one side of the grain recovery box is a horizontal push auger and the other side is a grain box. Since the input shaft of the grain elevator is coaxial with the horizontal push auger, the grain elevator limits the width of the grain recovery box, and thus limits the volume of the grain recovery box. If the volume of the grain recovery box is to be increased, the height of the vehicle can only be increased. Due to the height limitation of the vehicle, some models cannot be equipped with this type of grain lifting structure. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to increase the volume of the grain recovery box while avoiding increasing the height of the whole vehicle.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] The utility model provides a grain lifting structure, including a horizontal pusher shell and a chain rake elevator shell, the outlet end of the horizontal pusher shell is provided with a transition shell, the horizontal pusher shell is provided with an auger shaft, and the shaft head of the auger shaft extends out of the transition shell; the lower end of the chain rake elevator shell is located on one side of the auger shaft and is connected to the transition shell, the lower end of the chain rake elevator shell is provided with a power input shaft, and the power input shaft extends out of the transition shell; the power input shaft and the auger shaft are connected by chain transmission.

[0007] The beneficial effects of the utility model are:

[0008] By adopting the utility model, the lower end of the chain rake type elevator shell is horizontally staggered from the auger shaft, so that the lower end of the chain rake type elevator shell retreats part of the space in the direction away from the grain recovery box, which is convenient for increasing the volume of the grain recovery box. At the same time, there is no need to increase the height of the whole vehicle, and the compact layout of the whole vehicle is not affected. In addition, the power input shaft and the auger shaft are driven by a chain, so that the speed difference between the power input shaft and the auger shaft is variable, avoiding the hidden danger of material accumulation and blockage at the entrance of the chain rake type elevator shell.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the height of the power input shaft is lower than the height of the auger shaft, and the bottom of the transition shell is inclined downward from the auger shaft to the power input shaft.

[0011] When the material enters the transition shell, it slides toward the chain rake elevator shell under its own gravity, which facilitates the lifting of the material and avoids blockage.

[0012] Furthermore, a scraper is provided on the auger shaft at a position located inside the transition shell.

[0013] The scraper rotates with the auger shaft, which makes it easy to scrape the materials in the transition shell to the chain rake elevator shell, improve the material lifting efficiency and avoid blockage.

[0014] Furthermore, the free end of the scraper extends radially along the auger shaft.

[0015] Easy to install and strong.

[0016] Furthermore, a material guide rack is provided at the bottom of the transition shell and between the auger shaft and the power input shaft, and the upper surface of the material guide rack is inclined downward from the auger shaft to the power input shaft.

[0017] When the scraper scrapes up the material, the material falls on the guide frame and slides along the upper surface of the guide frame to the entrance of the chain rake elevator housing, preventing the area between the auger shaft and the power input shaft from being blocked by material accumulation.

[0018] Furthermore, the material guide frame includes a material guide plate, an arc plate and a bottom plate, which are connected to each other in sequence, and the bottom plate is attached to the bottom of the transition shell. The material guide plate is inclined downward from the auger shaft to the power input shaft, and the arc plate is opposite to the auger shaft.

[0019] The guide plate, the curved plate and the bottom plate are connected in sequence to form a triangular structure with good stability, which avoids the accumulation of materials at the bottom of the transition shell; the curved plate fits the circular arc path of the rotation of the free end of the scraper, so that the scraper can drive the material to rise along the curved plate to the top of the guide frame, ensuring that the material slides down along the guide plate and improving the conveying efficiency.

[0020] Furthermore, the arc-shaped plate is tangent to the bottom of the transition shell.

[0021] It is convenient for smooth transition, so that the free end of the scraper can move smoothly from the bottom of the transition shell to the curved plate.

[0022] Furthermore, one end of the auger shaft away from the transition shell extends out of the horizontal thruster shell, and a driving sprocket is provided at one end of the auger shaft away from the transition shell.

[0023] The driving sprocket can be used to connect to a driving device such as an engine to input power, so as to drive the horizontal pusher housing to operate.

[0024] The utility model also provides a harvester, including a grain recovery box and the above-mentioned grain lifting structure, the grain recovery box is located on one side of the horizontal pusher shell, and the auger shaft is located between the power input shaft and the grain recovery box, the upper end of the chain rake type elevator shell is inclined toward the grain recovery box, and the upper end of the chain rake type elevator shell is provided with a grain outlet, and the grain outlet is located above the grain recovery box.

[0025] The chain rake elevator shell is arranged at an angle, thereby reducing the height of the vehicle without affecting the compact layout of the vehicle; the power input shaft and the auger shaft are driven by a chain, so that the speed difference between the power input shaft and the auger shaft can be changed, avoiding the hidden danger of material accumulation and blockage at the entrance of the chain rake elevator shell.

[0026] Furthermore, a cleaning fan is provided on the top of the grain outlet, and the inlet of the cleaning fan is connected to the inside of the grain outlet.

[0027] It is convenient to remove stem and leaf impurities from the seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the utility model.

[0029] Figure 2 for Figure 1 Detail of Part A.

[0030] Figure 3 for Figure 1 Top view of (rotated right).

[0031] Figure 4 It is a structural schematic diagram of the harvester of the utility model.

[0032] In the accompanying drawings, the technical features represented by the reference numerals are as follows:

[0033] 1-horizontal pusher housing; 2-auger shaft; 3-chain rake elevator housing; 4-transition housing; 5-power input shaft; 6-scraper; 7-material guide rack; 8-material guide plate; 9-arc plate; 10-bottom plate; 11-grain recovery box; 12-grain outlet; 13-cleaning fan; 14-driving sprocket. DETAILED DESCRIPTION

[0034] 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.

[0035] This utility model refers to Figure 1-4 .

[0036] Embodiment 1, as Figure 1-3 As shown:

[0037] The utility model provides a grain lifting structure, including a horizontal pusher shell 1 and a chain rake elevator shell 3. The outlet end of the horizontal pusher shell 1 is provided with a transition shell 4, and the horizontal pusher shell 1 is provided with an auger shaft 2, and the shaft head of the auger shaft 2 extends out of the transition shell 4; the lower end of the chain rake elevator shell 3 is located on one side of the auger shaft 2 and is connected to the transition shell 4, and the lower end of the chain rake elevator shell 3 is provided with a power input shaft 5, and the power input shaft 5 extends out of the transition shell 4; the power input shaft 5 is connected to the auger shaft 2 through a chain transmission.

[0038] principle:

[0039] The horizontal pusher housing 1 and the chain rake type elevator housing 3 are both prior art. The power input shaft 5 is the original structure on the chain rake type elevator housing 3, which is used to transmit power to the chain rake. A sprocket is provided at the end of the auger shaft 2 away from the transition housing 4, which can be used to connect to the engine and other power equipment on the harvester. The power equipment drives the auger shaft 2 to rotate, and the auger shaft 2 rotates to transport materials to the transition housing 4. At the same time, the auger shaft 2 transmits power to the power input shaft 5 of the chain rake type elevator housing 3. The power input shaft 5 is provided with a chain rake sprocket. The chain rake of the chain rake type elevator housing 3 is connected to the chain rake sprocket, so that the power input shaft 5 drives the chain rake to rotate, and the chain rake can transport materials upward when it rotates.

[0040] The lower end of the chain-rake type elevator housing 3 extends into the transition housing 4 and is located on one side of the auger shaft 2, so that the lower end of the chain-rake type elevator housing 3 is horizontally staggered with the auger shaft 2, so that the lower end of the chain-rake type elevator housing 3 retreats part of the space in the direction away from the grain recovery box 11, and the lower part of the grain recovery box 11 can be formed into a convex shape in the direction of the chain-rake type elevator housing 3, thereby increasing the volume of the grain recovery box 11. At the same time, the power input shaft 5 is connected to the auger shaft 2 through a chain drive, and the speed difference between the horizontal pusher housing 1 and the chain-rake type elevator housing 3 can be adjusted by adjusting the sprocket transmission ratio. When there are more materials, the speed of the chain-rake type elevator housing 3 can be increased, avoiding the hidden danger of material accumulation and blockage at the entrance of the chain-rake type elevator housing 3.

[0041] In summary, by adopting the utility model, the lower end of the chain rake type elevator shell 3 is horizontally staggered from the auger shaft 2, so that the lower end of the chain rake type elevator shell 3 retreats part of the space in the direction away from the grain recovery box 11, which is convenient for increasing the volume of the grain recovery box 11, and at the same time, there is no need to increase the height of the whole vehicle, and does not affect the compact layout of the whole vehicle; in addition, the power input shaft 5 and the auger shaft 2 are driven by a chain, so that the speed difference between the power input shaft 5 and the auger shaft 2 is variable, thereby avoiding the hidden danger of material accumulation and blockage at the entrance of the chain rake type elevator shell 3.

[0042] Furthermore, the height of the power input shaft 5 is lower than the height of the auger shaft 2 , and the bottom of the transition housing 4 is inclined downward from the auger shaft 2 to the power input shaft 5 .

[0043] When the material enters the transition housing 4, it slides toward the chain rake type elevator housing 3 under its own gravity, which facilitates the lifting of the material and avoids blockage.

[0044] Furthermore, a scraper 6 is provided on the auger shaft 2 and at a position located inside the transition housing 4 .

[0045] The scraper 6 rotates with the auger shaft 2, so as to scrape the materials in the transition housing 4 to the chain rake type elevator housing 3, thereby improving the material lifting efficiency and avoiding blockage.

[0046] Furthermore, the free end of the scraper 6 extends along the radial direction of the auger shaft 2 .

[0047] Note: The end of the scraper 6 connected to the auger shaft 2 is the fixed end, and the end extending from the auger shaft 2 is the free end.

[0048] Easy to install and strong.

[0049] Furthermore, a material guide rack 7 is provided at the bottom of the transition housing 4 and between the auger shaft 2 and the power input shaft 5 , and the upper surface of the material guide rack 7 is inclined downward from the auger shaft 2 to the power input shaft 5 .

[0050] Note: The chain rake rotates on the power input shaft 5 to form a circular profile, and the scraper 6 rotates on the auger shaft 2 to form a circular profile. A triangular area is formed between the two circular profiles at the bottom of the transition housing 4. When there is no guide rack 7, materials are easily accumulated in this area, which may cause blockage. If the bottom of the transition housing 4 has a large inclination, the material can slide spontaneously in the direction of the chain rake elevator housing 3, and there is no need to set the guide rack 7.

[0051] When the scraper 6 scrapes up the material, the material falls on the guide frame 7 and slides along the upper surface of the guide frame 7 to the entrance of the chain rake elevator housing 3, preventing the area between the auger shaft 2 and the power input shaft 5 from accumulating materials and causing blockage.

[0052] Furthermore, the material guide frame 7 includes a material guide plate 8, an arc plate 9 and a bottom plate 10. The material guide plate 8, the arc plate 9 and the bottom plate 10 are connected in sequence. The bottom plate 10 is attached to the bottom of the transition shell 4. The material guide plate 8 is inclined downward from the auger shaft 2 to the power input shaft 5, and the arc plate 9 is opposite to the auger shaft 2.

[0053] The guide plate 8, the arc plate 9 and the bottom plate 10 are connected in sequence to form an approximately triangular structure with good stability, which avoids the accumulation of materials at the bottom of the transition shell 4; the arc plate 9 matches the circular arc path of the rotation of the free end of the scraper 6, so that the scraper 6 can drive the material to rise along the arc plate 9 to the top of the guide frame 7, ensuring that the material slides down along the guide plate 8 and improving the conveying efficiency.

[0054] Furthermore, the arc plate 9 is tangent to the bottom of the transition shell 4 .

[0055] This facilitates a smooth transition, so that the free end of the scraper 6 can move smoothly from the bottom of the transition housing 4 to the arc-shaped plate 9.

[0056] Furthermore, one end of the auger shaft 2 away from the transition housing 4 extends out of the horizontal conveyor housing 1, and a driving sprocket 14 is provided at one end of the auger shaft 2 away from the transition housing 4.

[0057] The driving sprocket 14 can be used to connect to a driving device such as an engine to input power, thereby driving the horizontal pusher housing 1 to operate.

[0058] Embodiment 2, as Figure 4 As shown:

[0059] The utility model also provides a harvester, including a grain recovery box 11 and the above-mentioned grain lifting structure, the grain recovery box 11 is located on one side of the horizontal pusher housing 1, and the auger shaft 2 is located between the power input shaft 5 and the grain recovery box 11, the upper end of the chain rake type elevator housing 3 is inclined toward the grain recovery box 11, and the upper end of the chain rake type elevator housing 3 is provided with a grain outlet 12, and the grain outlet 12 is located above the grain recovery box 11.

[0060] The chain rake type elevator housing 3 is arranged at an angle, thereby reducing the height of the entire vehicle without affecting the compact layout of the entire vehicle; the power input shaft 5 and the auger shaft 2 are driven by a chain, so that the speed difference between the power input shaft 5 and the auger shaft 2 is variable, avoiding the hidden danger of material accumulation and blockage at the entrance of the chain rake type elevator housing 3.

[0061] Furthermore, a cleaning fan 13 is provided on the top of the grain outlet 12 , and an inlet of the cleaning fan 13 is connected to the inside of the grain outlet 12 .

[0062] It is convenient to remove stem and leaf impurities from the seeds.

[0063] In the description of the present invention, it should be understood that if there are descriptive terms indicating orientation, direction or positional relationship, such as: "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated in this specification is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of understanding the present invention and simplifying the description, and does not indicate or imply that the referred part, element or whole must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0064] In the present utility model, if the terms describing the relative functional relationship of the structures are used, such as "install", "connect", "connect", "fix", etc., they should be understood in a broad sense unless otherwise clearly specified and limited. For example, "install", "connect", "connect", etc. can be a fixed connection, a detachable connection, or an integrated one; can be a mechanical connection or an electrical connection; can be a direct connection or an indirect connection through an intermediate medium, can be the internal connection of two elements or the interaction relationship between two elements; "fix" can be an integrated fixation or a detachable fixation through fasteners; can be a direct fixation or a fixation through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above-mentioned descriptive terms in the present utility model can be understood according to the specific circumstances, the context, the coherence of the context, etc.

[0065] In the present invention, if there are descriptive terms with subsidiary or connecting meanings, for example, a first feature is "on" or "below" a second feature, unless otherwise clearly specified and limited, it should not be understood in a restrictive manner. For example, "on" or "below" may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above descriptive terms in the present invention can be understood according to the specific circumstances, the context, the coherence of the context, etc.

[0066] Furthermore, the first feature being “above”, “above”, and “above” the 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. The first feature being “below”, “below”, and “below” the 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.

[0067] 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 representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments, examples and features of the different embodiments and examples described in this specification without contradiction, and these combinations or combinations shall all fall within the scope summarized by the utility model.

[0068] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. A person skilled in the art can change, modify, replace and modify the above embodiments within the scope of information available from public channels and in combination with the technical inspiration provided by the present application documents.

Claims

1. A grain lifting structure, characterized in that: It comprises a horizontal pusher housing (1) and a chain rake elevator housing (3); a transition housing (4) is provided at the outlet end of the horizontal pusher housing (1); an auger shaft (2) is provided inside the horizontal pusher housing (1); the shaft head of the auger shaft (2) extends out of the transition housing (4); the lower end of the chain rake elevator housing (3) is located on one side of the auger shaft (2) and is connected to the transition housing (4); a power input shaft (5) is provided at the lower end of the chain rake elevator housing (3); the power input shaft (5) extends out of the transition housing (4); the power input shaft (5) is connected to the auger shaft (2) through a chain transmission.

2. The grain lifting structure according to claim 1, characterized in that: The height of the power input shaft (5) is lower than the height of the auger shaft (2), and the bottom of the transition housing (4) is inclined downward from the auger shaft (2) to the power input shaft (5).

3. The grain lifting structure according to claim 2, characterized in that: A scraper (6) is provided on the auger shaft (2) at a location inside the transition housing (4).

4. The grain lifting structure according to claim 3, characterized in that: The free end of the scraper (6) extends along the radial direction of the auger shaft (2).

5. The grain lifting structure according to claim 3, characterized in that: A material guide frame (7) is provided at the bottom of the transition housing (4) and between the auger shaft (2) and the power input shaft (5), and the upper surface of the material guide frame (7) is inclined downward from the auger shaft (2) to the power input shaft (5).

6. The grain lifting structure according to claim 5, characterized in that: The material guide frame (7) comprises a material guide plate (8), an arc plate (9) and a bottom plate (10), wherein the material guide plate (8), the arc plate (9) and the bottom plate (10) are connected to each other in sequence, and the bottom plate (10) is attached to the bottom of the transition shell (4). The material guide plate (8) is inclined downward from the auger shaft (2) to the power input shaft (5), and the arc plate (9) is directly opposite to the auger shaft (2).

7. The grain lifting structure according to claim 6, characterized in that: The arc-shaped plate (9) is tangent to the bottom of the transition shell (4).

8. The grain lifting structure according to claim 1, characterized in that: One end of the auger shaft (2) away from the transition housing (4) extends out of the horizontal augers housing (1), and a driving sprocket (14) is provided at one end of the auger shaft (2) away from the transition housing (4).

9. A harvester, comprising a grain recovery box (11) and a grain lifting structure according to any one of claims 1 to 8, wherein the grain recovery box (11) is located on one side of the horizontal pusher housing (1), and the augers shaft (2) is located between the power input shaft (5) and the grain recovery box (11), the upper end of the chain rake type elevator housing (3) is inclined toward the grain recovery box (11), and the upper end of the chain rake type elevator housing (3) is provided with a grain outlet (12), and the grain outlet (12) is located above the grain recovery box (11).

10. The harvester according to claim 9, characterized in that: A cleaning fan (13) is also provided at the top of the seed outlet (12), and the inlet of the cleaning fan (13) is communicated with the inside of the seed outlet (12).

Images