Cover plate for grain lifter
By designing a guide fine-tuning component and a rice divider on the cover plate of the rice lifter, the problem of rice tipping caused by the fixed spacing of the cover plate was solved. This enabled the adjustment of spacing and row guidance according to the rice density, improving the efficiency and safety of the harvester.
Patent Information
- Application Number
- CN202422925558.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing rice-lifting device has a fixed spacing between the cover plates, which makes it difficult for sparse rice to come into contact with the rice-lifting wheel, resulting in tipping and waste.
Design a cover plate structure including a rice-supporting guide plate, a guide fine-tuning component, and a rice divider. The spacing between the cover plates is adjusted by the guide fine-tuning component, and the rice divider guides the rice rows, thereby enhancing support and stability.
This technology allows for adjusting the spacing of the cover plates according to the rice density, preventing the rice from tipping over, improving harvesting efficiency and safety, and reducing waste.
Smart Images

Figure CN223568150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of the straw support, specifically a cover plate for straw support. BACKGROUND
[0002] The straw support is one of the main components of the harvester, which is mainly composed of a straw support frame, a straw star wheel, a cover plate, a spring, a star wheel shaft and a anti-winding cover. When the harvester is working, it can support and guide the cut crops such as rice to enter the harvester to realize the separation work. The cover plate is located at the top of the straw star wheel. When the straw star wheel rotates, it can make the rice move along the side edge of the cover plate and enter the harvester. The distance between the existing cover plates of the straw support is the same. When the rice is normally harvested, the rice moves along the gap between the adjacent two cover plates of the straw support. When the rice is planted sparsely, the cover plates of the straw support arranged at equal intervals have the following shortcomings: the distance between the adjacent two cover plates of the straw support is large, and the sparse rice is difficult to fully contact with the straw star wheel, which leads to the fact that part of the rice will be cut off and fall over, and it is difficult to enter the harvester smoothly, thereby causing waste and poor use effect. Therefore, the present application provides a cover plate for straw support. SUMMARY
[0003] In view of the above problems, the present application provides a cover plate for straw support, which can effectively solve the problem that the existing cover plate of the straw support cannot be adjusted.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cover plate for straw support, which comprises a cover plate body, the cover plate body is composed of a straw guide plate, a guide fine adjustment assembly and a straw divider, the guide fine adjustment assembly is connected to one end of the side edge of the straw guide plate, the straw divider is riveted to one end of the straw guide plate away from the guide fine adjustment assembly, a strip-shaped installation slot one and a strip-shaped installation slot two matched with the guide fine adjustment assembly are formed in the side of the top end of the straw guide plate close to the guide fine adjustment assembly, the guide fine adjustment assembly is composed of a guide fine adjustment plate, a first screw rod and a second screw rod, the first screw rod and the second screw rod are both fixedly connected to the top end of the guide fine adjustment plate, the first screw rod and the second screw rod are respectively inserted into the strip-shaped installation slot one and the strip-shaped installation slot two, and a locking knob matched with the straw guide plate is sleeved on the first screw rod and the second screw rod.
[0005] Preferably, one side of the guide fine adjustment plate is provided with an arc-shaped guide edge.
[0006] Preferably, the first screw rod and the second screw rod are both welded to the guide fine adjustment plate.
[0007] Preferably, one end of the straw guide plate close to the straw divider is a conical structure, and a bolt installation hole is formed in the straw guide plate.
[0008] Preferably, the divider is composed of a divider sleeve, a side wing plate one and a side wing plate two, the side wing plate one and the side wing plate two are fixedly connected to the two sides of the bottom end of the divider sleeve respectively, the divider sleeve is sleeved on one end of the guide plate, the divider sleeve, the side wing plate one and the side wing plate two are in an integrated structure, the divider sleeve and one end of the side wing plate one and the side wing plate two form a tapered structure, and an installation inner hole matched with the guide plate is formed in the inside of the divider sleeve.
[0009] Preferably, the bottom end of the side wing plate one and the side wing plate two is provided with an arc-shaped thickened bottom beam, the cross section of the arc-shaped thickened bottom beam is a circular structure, and an X-shaped reinforcing frame is welded between the side wing plate one and the side wing plate two.
[0010] Preferably, a chamfer sleeve is welded at one end of the divider sleeve, and a riveting hole is formed at the top end of the divider sleeve.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] (1) In the working, the interval between the adjacent two cover plates of the supporting reed is fine adjusted through the strip-shaped installation groove one, the strip-shaped installation groove two and the guide fine adjustment assembly composed of the guide fine adjustment plate, the first screw rod and the second screw rod, so that the harvesting work of the rice with different planting densities is adapted, when the rice is planted sparsely or the rice is sparse due to natural disasters, the rice can be fully contacted with the supporting reed star wheel in the harvesting process, and the waste caused by the falling of the rice is avoided.
[0013] (2) The divider composed of the divider sleeve, the side wing plate one and the side wing plate two can realize the row division of the rice, so that all the rice can smoothly enter the inside of the harvester, the divider sleeve can be assisted and supported through the side wing plate one and the side wing plate two, so that the divider sleeve is prevented from drilling into the ground and being damaged, the safety in use is effectively improved, the side wing plate one and the side wing plate two can be reinforced and limited through the X-shaped reinforcing frame, and the overall stability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model.
[0015] In the drawings:
[0016] Figure 1 It is a cover plate structure schematic view one for the supporting reed of the utility model;
[0017] Figure 2 It is a cover plate structure schematic view two for the supporting reed of the utility model;
[0018] Figure 3 Figure 3 is a schematic view of the cover plate structure of the utility model for the wheat supporting device;
[0019] Figure 4 Figure 4 is a schematic view of the guide fine adjustment assembly structure of the utility model;
[0020] Figure 5 Figure 5 is a schematic view of the wheat divider structure of the utility model;
[0021] Figure 6 Figure 6 is a schematic view of the wheat divider structure of the utility model;
[0022] In the figure: 1, cover plate body; 2, wheat supporting guide plate; 3, guide fine adjustment assembly; 4, wheat divider; 5, strip-shaped installation slot one; 6, strip-shaped installation slot two; 7, guide fine adjustment plate; 8, first screw rod; 9, second screw rod; 10, locking knob; 11, arc-shaped guide edge; 12, bolt installation hole; 13, wheat divider sleeve; 14, side wing plate one; 15, side wing plate two; 16, installation inner hole; 17, arc-shaped thickened bottom beam; 18, X-shaped reinforcing frame; 19, chamfered sleeve; 20, riveting hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] By Figures 1 to 4 The utility model discloses a cover plate for wheat supporting device, including cover plate body 1, the cover plate body 1 is by wheat supporting guide plate 2, guide fine adjustment assembly 3 and wheat divider 4 constitutes, guide fine adjustment assembly 3 is connected in the one end of the side of wheat supporting guide plate 2, the riveting of wheat divider 4 is in the one end of the side of wheat supporting guide plate 2 away from guide fine adjustment assembly 3, the top of wheat supporting guide plate 2 is close to the side of guide fine adjustment assembly 3 and is provided with with guide fine adjustment assembly 3 matching strip-shaped installation slot one 5 and strip-shaped installation slot two 6, guide fine adjustment assembly 3 is by guide fine adjustment plate 7, first screw rod 8 and second screw rod 9 constitute, first screw rod 8 and second screw rod 9 are all fixedly connected to the top of guide fine adjustment plate 7, first screw rod 8 and second screw rod 9 are respectively inserted in strip-shaped installation slot one 5 and strip-shaped installation slot two 6, and first screw rod 8 and second screw rod 9 are all set with with wheat supporting guide plate 2 matching locking knob 10;
[0025] The guide fine-tuning component 3 is fine-tuned according to the rice planting density. If the rice planting density is high, the guide fine-tuning component 3 is completely hidden at the bottom of the cover plate body 1. At this time, the distance between two adjacent cover plate bodies 1 is the largest, which allows more rice to enter the harvester. If the rice planting density is low, the guide fine-tuning component 3 is moved to the side of the cover plate body 1 to reduce the distance between two adjacent cover plate bodies 1, so that the rice can fully contact the rice-supporting star wheel and avoid the rice from falling to the ground and causing waste. When adjusting, loosen the locking knob 10 so that the first screw 8 and the second screw 9 can move inside the strip mounting groove 1 5 and the strip mounting groove 2 6.
[0026] Depend on Figures 2 to 4 As shown, an arc-shaped guide edge 11 is provided on one side of the guide fine adjustment plate 7, and the first screw 8 and the second screw 9 are both welded to the guide fine adjustment plate 7. The end of the rice-lifting guide plate 2 near the rice divider 4 is a tapered structure, and bolt mounting holes 12 are provided on the rice-lifting guide plate 2.
[0027] The arc-shaped guide edge 11 can guide the rice, and the bolt mounting hole 12 can facilitate the installation and fixing of the guide fine adjustment plate 7;
[0028] Depend on Figure 2 , Figure 5 and Figure 6 As shown, the divider 4 consists of a divider sleeve 13, a first side plate 14, and a second side plate 15. The first side plate 14 and the second side plate 15 are fixedly connected to both sides of the bottom end of the divider sleeve 13. The divider sleeve 13 is fitted onto one end of the rice-supporting guide plate 2. The divider sleeve 13, the first side plate 14, and the second side plate 15 are an integral structure. One end of the divider sleeve 13 and the first side plate 14 and the second side plate 15 form a conical structure. The inside of the divider sleeve 13 is provided with an installation inner hole 16 that matches the guide plate 2. The bottom ends of the first side plate 14 and the second side plate 15 are provided with an arc-shaped thickened bottom beam 17. The cross section of the arc-shaped thickened bottom beam 17 is circular. An X-shaped reinforcing frame 18 is welded between the first side plate 14 and the second side plate 15. A chamfered sleeve 19 is welded to one end of the divider sleeve 13. A riveting hole 20 is provided at the top of the divider sleeve 13.
[0029] When the harvester is close to the ground, or the ground has protruding soil piles, the side wing plate one 14 and the side wing plate two 15 can realize auxiliary support to the divider sleeve 13, avoid the divider sleeve 13 inserted into the ground and damaged, the divider sleeve 13 can fully separate the rice, so that all the rice can enter the inside of the harvester, the arc thickened bottom beam 17 can improve the strength of the side wing plate one 14 and the side wing plate two 15, and can also play a better guiding role, avoid inserting into the ground, the X-shaped reinforcing frame 18 can realize auxiliary reinforcement to the side wing plate one 14 and the side wing plate two 15, improve its strength, the riveting hole 20 can realize the installation of the divider sleeve 13, and the chamfer sleeve 19 can improve the fit with the supporting and guiding plate 2, avoid large gaps.
[0030] In work, by setting the strip-shaped installation slot one, the strip-shaped installation slot two and the guide fine adjustment assembly composed of the guide fine adjustment plate, the first screw rod and the second screw rod, the spacing between the two adjacent supporting device cover plates can be fine adjusted, which is suitable for different planting density of rice harvesting work. When the rice is planted sparsely, or the rice is sparse due to natural disasters, the rice can be fully contacted with the supporting star wheel during the harvesting process, so as to avoid the waste caused by the rice falling down. By setting the divider composed of the divider sleeve, the side wing plate one and the side wing plate two, the rice can be divided into rows, so that all the rice can smoothly enter the inside of the harvester. By setting the side wing plate one and the side wing plate two, the divider sleeve can be assisted and supported, so as to avoid the divider sleeve from drilling into the ground and being damaged, effectively improving the safety in use. By the X-shaped reinforcing frame, the side wing plate one and the side wing plate two can be reinforced and limited, improving the overall stability.
Claims
1. A cover for a straw guard, comprising a cover body (1), characterized in that: The cover plate body (1) is composed of a supporting and guiding plate (2), a guiding and fine adjusting assembly (3) and a divider (4), the guiding and fine adjusting assembly (3) is connected to one end of the side edge of the supporting and guiding plate (2), the divider (4) is riveted to one end of the supporting and guiding plate (2) away from the guiding and fine adjusting assembly (3), a strip-shaped installation slot one (5) and a strip-shaped installation slot two (6) matched with the guiding and fine adjusting assembly (3) are formed in the top end of the side edge of the supporting and guiding plate (2) close to the guiding and fine adjusting assembly (3), the guiding and fine adjusting assembly (3) is composed of a guiding and fine adjusting plate (7), a first screw rod (8) and a second screw rod (9), the first screw rod (8) and the second screw rod (9) are fixedly connected to the top end of the guiding and fine adjusting plate (7), the first screw rod (8) and the second screw rod (9) are respectively inserted into the strip-shaped installation slot one (5) and the strip-shaped installation slot two (6), and the first screw rod (8) and the second screw rod (9) are both sleeved with locking knobs (10) matched with the supporting and guiding plate (2).
2. A cover plate for a grain guard as claimed in claim 1, characterised in that: An arc-shaped guiding edge (11) is arranged on one side of the guiding and fine adjusting plate (7).
3. A cover plate for a grain guard as claimed in claim 1, wherein: The first screw rod (8) and the second screw rod (9) are both welded to the guiding and fine adjusting plate (7).
4. A cover plate for a grain guard as claimed in claim 1, wherein: The end of the supporting and guiding plate (2) close to the divider (4) is of a conical structure, and bolt installation holes (12) are formed in the supporting and guiding plate (2).
5. A cover plate for a grain guard as defined in claim 1, wherein: The divider (4) is composed of a divider sleeve (13), a side wing plate one (14) and a side wing plate two (15), the side wing plate one (14) and the side wing plate two (15) are fixedly connected to the two sides of the bottom end of the divider sleeve (13), the divider sleeve (13) is sleeved on one end of the supporting and guiding plate (2), the divider sleeve (13) and the side wing plate one (14) and the side wing plate two (15) are of an integral structure, the divider sleeve (13) and one end of the side wing plate one (14) and the side wing plate two (15) are of a conical structure, and an installation inner hole (16) matched with the supporting and guiding plate (2) is formed in the divider sleeve (13).
6. A cover plate for a grain guard as claimed in claim 5, characterised in that: Arc-shaped thickened bottom beams (17) are arranged at the bottom ends of the side wing plate one (14) and the side wing plate two (15), the cross section of the arc-shaped thickened bottom beam (17) is of a circular structure, and an X-shaped reinforcing frame (18) is welded between the side wing plate one (14) and the side wing plate two (15).
7. A cover plate for a grain guard as claimed in claim 5, wherein: A chamfered sleeve (19) is welded on one end of the divider sleeve (13), and a riveting hole (20) is formed in the top end of the divider sleeve (13).