Novel middle protective cover combined structure of corn harvester
By designing the combined structure of the shield in the corn harvester and adopting a detachable thickness adjustment component, the problem that the shield in the prior art cannot be adjusted is solved, and the flexibility and efficiency of adapting to corn planting at different row spacings is achieved.
Patent Information
- Application Number
- CN202421359723.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The size of the shield in the existing corn harvester is fixed and cannot be adjusted, so it cannot adapt to the needs of corn planting at different row spacings, resulting in a long development cycle, high cost and poor adaptability.
A new type of middle shield combination structure of corn harvester is designed, including a front shield and a rear shield. The rear shield can widen or narrow the overall structure through a removable thickness adjustment component to adapt to corn harvesting of different planting row spacings.
Through the use of thickness adjustment components, the width of the rear shield can be flexibly adjusted, which is suitable for corn harvesting with different planting spacings, improving application range and adaptability, and reducing development costs and cycles.
Smart Images
Figure CN222548070U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of corn harvesting, in particular to a novel middle guard assembly structure of a corn harvester. Background Art
[0002] The corn harvesting header is an agricultural machine used to pick and collect corn ears. It uses the middle shield combination at the front end of the header to separate the corn stalks, allowing the corn stalks to enter the ear picking device in a certain order for ear picking to play a role in mechanized corn harvesting.
[0003] Due to regional differences, the row spacing of corn planting varies greatly. Customers will make various requirements for corn harvesters according to the corn varieties they grow. The external dimensions of the existing corn harvester center shield are fixed according to a certain row spacing and cannot be adjusted. They cannot meet the needs of users. When customers have needs, we can only develop new center shields, which results in a long development cycle, high costs, and poor adaptability. Utility Model Content
[0004] The utility model aims to provide a novel middle guard assembly structure of a corn harvester, which can be suitable for harvesting corns with different row spacings.
[0005] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts a specific technical solution: a new type of middle guard shield combination structure of a corn harvester, including a front guard shield and a rear guard shield, the front guard shield is rotatably set on the rear guard shield, the rear guard shield includes a main guard body and a thickness adjustment component, and the thickness adjustment component is detachably set on both sides of the main guard body.
[0006] When the utility model is actually used, the overall structure of the rear shield can be widened or narrowed through the thickness adjustment component, and can adapt to the harvesting of corns with different planting row spacings.
[0007] Furthermore, the thickness adjustment assembly includes a plurality of thickness adjustment plates with different thicknesses, and the thickness adjustment plates are detachably arranged on both sides of the main cover body.
[0008] By adopting the above technical solution, by replacing and installing thickness adjustment plates of different thicknesses on the main cover body, the overall structure of the rear guard can be widened or narrowed. The adjustment method is simple and can be suitable for corn harvesting with different planting row spacings.
[0009] Furthermore, a plurality of connection holes are formed on the thickness adjustment plate, and the thickness adjustment plate is detachably connected to the main cover body via fasteners, and the fasteners are inserted into the connection holes.
[0010] By adopting the above technical solution, the connection hole is convenient for fasteners to be inserted, and the thickness adjustment plate is convenient for installation on the main cover body.
[0011] Further, the thickness adjustment plate includes a plurality of thick adjustment plates and a plurality of thin adjustment plates, the plurality of thick adjustment plates are detachably arranged on both sides of the main cover body, and the plurality of thin adjustment plates are detachably arranged on both sides of the main cover body.
[0012] By adopting the above technical scheme, the width of the rear guard can be adjusted by replacing the thick adjustment plate and the thin adjustment plate. The thick adjustment plate and the thin adjustment plate can be installed separately with the main cover body, or they can be freely mixed and installed on the main cover body through the thick adjustment plate and the thin adjustment plate. Rear guards of different widths can be combined, which can be suitable for corn harvesting with different planting row spacings, thereby increasing the scope of application. The width of the rear guard can be slightly increased by the thin adjustment plate, and can be greatly increased by the thick adjustment plate, and the adjustment method is more flexible.
[0013] Furthermore, a rotating support frame is rotatably provided at one end of the main cover body close to the front guard, and the rotating support frame is located below the front guard, and the rotating support frame supports the front guard.
[0014] By adopting the above technical solution, the rotating support frame is used to support the front shield, thereby improving the stability of the front shield on the rear shield.
[0015] Furthermore, a limiting support rod is provided on the rotating support frame, and a limiting column is provided on the main cover body, and one end of the limiting support rod close to the main cover body is in contact with the limiting column.
[0016] By adopting the above technical solution, the limiting column plays a role of limiting support for the limiting support rod.
[0017] Furthermore, the front shield includes a movable shield body, an anti-collision bracket and two anti-collision plates. The movable shield body and the rear shield are rotatably connected. The anti-collision bracket is fixed to one end of the movable shield body away from the rear shield. The end of the anti-collision bracket away from the movable shield body is arc-shaped. The two anti-collision plates are respectively fixed on both sides of the movable shield body.
[0018] By adopting the above technical solution, the anti-collision plate can protect both sides of the movable cover body, and the anti-collision bracket protects the front end of the movable cover body.
[0019] Furthermore, the rear shield also includes a support plate, and the support plate is fixed to the bottom of the main shield body.
[0020] By adopting the above technical solution, the support plate can improve the stability of the overall structure of the rear shield.
[0021] Furthermore, the material of the front shield and the rear shield is LLDPE.
[0022] By adopting the above technical solution, the LLDPE material has higher tensile strength, penetration resistance and tear resistance, and improves the impact resistance and wear resistance of the overall structure.
[0023] Compared with the prior art, the beneficial effects of the utility model are:
[0024] 1. The utility model can realize widening or narrowing of the overall structure of the rear shield by detachably installing thickness adjustment plates of different thicknesses on both sides of the main shield body, and can adapt to corn harvesting with different planting row spacings.
[0025] 2. The thickness adjustment plate of the utility model includes multiple thick adjustment plates and multiple thin adjustment plates. The width of the rear guard can be adjusted by replacing the thick adjustment plates and the thin adjustment plates. The thick adjustment plates and the thin adjustment plates can be installed on the main cover body separately, or they can be freely mixed and installed on the main cover body through the thick adjustment plates and the thin adjustment plates. Rear guards of different widths can be combined, which can be suitable for corn harvesting with different planting row spacings.
[0026] 3. The utility model provides an anti-collision bracket at the front end of the movable cover body and anti-collision plates at both sides of the movable cover body, thereby protecting the front end and both sides of the movable cover body and extending the service life of the movable cover body. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0028] Figure 1 It is a schematic diagram of a novel middle shield assembly structure of a corn harvester according to an embodiment of the utility model.
[0029] Figure 2 It is a top view of the rear shield structure of an embodiment of the utility model.
[0030] Figure 3 It is a front view of the rear shield structure of an embodiment of the utility model.
[0031] Figure 4 It is a schematic diagram of the thickness adjustment plate structure of an embodiment of the utility model.
[0032] Figure 5 It is a schematic diagram of the thin adjustment plate structure of an embodiment of the utility model.
[0033] Among them, the figure markings are: 1. front shield; 11. movable shield body; 12. anti-collision bracket; 13. anti-collision plate; 2. rear shield; 21. main shield body; 22. thickness adjustment assembly; 221. thickness adjustment plate; 2211. thick adjustment plate; 2212. thin adjustment plate; 23. support plate; 3. fixing bolt; 4. connecting hole; 5. fastener; 51. connecting bolt; 6. rotating support frame; 7. limiting support rod; 8. limiting column. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. Of course, the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0035] Reference Figures 1 to 3 A novel middle shield assembly structure of a corn harvester includes a front shield 1 and a rear shield 2. The front shield 1 is rotatably mounted on the rear shield 2 by means of fixing bolts 3. In a natural state, the front shield 1 and the rear shield 2 are in a horizontal state. In this embodiment, the rear shield 2 can rotate within a range of 75° in a clockwise direction with the fixing bolts 3 as the axis. When foreign objects collide during corn harvesting, the front shield 1 will automatically rotate to reduce the impact on the rear shield 2, thereby protecting the rear shield 2. The material of the front shield 1 and the rear shield 2 is LLDPE. The LLDPE material has higher tensile strength, penetration resistance, and tear resistance, which improves the impact resistance and wear resistance of the overall structure.
[0036] Reference Figure 2 and Figure 3 The rear shield 2 includes a main shield body 21, a thickness adjustment assembly 22 and a support plate 23. The support plate 23 is fixed to the bottom of the main shield body 21. The support plate 23 can improve the stability of the overall structure of the rear shield 2. The thickness adjustment assembly 22 includes a plurality of thickness adjustment plates 221 of different thicknesses. The thickness adjustment plates 221 are detachably arranged on the left and right sides of the main shield body 21. The thickness adjustment assembly 22 can be used to widen or narrow the overall structure of the rear shield 2, and can adapt to corn harvesting with different planting row spacings. A plurality of connecting holes 4 are provided on the thickness adjustment plate 221. The thickness adjustment plate 221 is detachably connected to the main shield body 21 through a fastener 5. The fastener 5 is inserted into the connecting hole 4. Specifically, the fastener 5 is a connecting bolt 51.
[0037] Reference Figures 2 to 5In this embodiment, the thickness adjustment plate 221 has two specifications. The thickness adjustment plate 221 includes a plurality of thick adjustment plates 2211 and a plurality of thin adjustment plates 2212. The connection holes 4 on the thick adjustment plates 2211 and the connection holes 4 on the thin adjustment plates 2212 are provided at the same position for easy disassembly and assembly. The thickness of the thick adjustment plate 2211 is 5-10 times the thickness of the thin adjustment plate 2212. The plurality of thick adjustment plates 2211 are detachably arranged on both sides of the main cover body 21, and the plurality of thin adjustment plates 2212 are detachably arranged on both sides of the main cover body 21. The width of the rear guard 2 can be adjusted by replacing the thick adjustment plate 2211 and the thin adjustment plate 2212. The thick adjustment plate 2211 and the thin adjustment plate 2212 can be installed separately with the main cover body 21, or they can be freely mixed and installed on the main cover body 21 through the thick adjustment plate 2211 and the thin adjustment plate 2212. Rear guards 2 of different widths can be combined and can be suitable for corn harvesting with different planting row spacings, thereby increasing the scope of application. The width of the rear guard 2 can be slightly increased by the thin adjustment plate 2212, and can be greatly increased by the thick adjustment plate 2211, so the adjustment method is more flexible.
[0038] Reference Figure 2 and Figure 3 The main cover body 21 is rotatably mounted with a rotating support frame 6 at one end close to the front shield 1. The rotating support frame 6 is located below the front shield 1 and supports the front shield 1. The rotating support frame 6 is located below the front shield 1 and supports the front shield 1, thereby improving the stability of the front shield 1 on the rear shield 2. A limiting support rod 7 is fixed on the rotating support frame 6, and a limiting column 8 is fixed on the bottom of the main cover body 21. The end of the limiting support rod 7 close to the main cover body 21 abuts against the limiting column 8, and the limiting column 8 plays a role of limiting support for the limiting support rod 7.
[0039] The front shield 1 includes a movable shield body 11, an anti-collision bracket 12 and two anti-collision plates 13. The movable shield body 11 and the main shield body 21 are rotatably connected by fixing bolts 3. The anti-collision bracket 12 is fixed to the end of the movable shield body 11 away from the rear shield 2. The end of the anti-collision bracket 12 away from the movable shield body 11 is in an arc shape. This structure is not easy to wear. The two anti-collision plates 13 are respectively fixed on both sides of the movable shield body 11. The anti-collision plates 13 can protect both sides of the movable shield body 11, and the anti-collision bracket 12 protects the front end of the movable shield body 11.
[0040] The implementation principle of a new middle guard assembly structure of a corn harvester in an embodiment of the present invention is as follows: the width of the rear guard 2 can be adjusted by replacing the thick adjustment plate 2211 and the thin adjustment plate 2212; the thick adjustment plate 2211 and the thin adjustment plate 2212 can be installed separately with the main guard body 21, or they can be freely mixed and installed on the main guard body 21 through the thick adjustment plate 2211 and the thin adjustment plate 2212; rear guards 2 of different widths can be combined, which can be suitable for harvesting corn with different planting row spacings, thereby increasing the scope of application; the width of the rear guard 2 can be slightly increased through the thin adjustment plate 2212, and the width of the rear guard 2 can be greatly increased through the thick adjustment plate 2211, and the adjustment method is more flexible.
[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel middle shield assembly structure for a corn harvester, characterized in that: The invention comprises a front shield (1) and a rear shield (2), wherein the front shield (1) is rotatably arranged on the rear shield (2), and the rear shield (2) comprises a main shield body (21) and a thickness adjustment component (22), wherein the thickness adjustment component (22) is detachably arranged on both sides of the main shield body (21).
2. The novel middle shield assembly structure of a corn harvester according to claim 1 is characterized in that: The thickness adjustment component (22) comprises a plurality of thickness adjustment plates (221) of different thicknesses, and the thickness adjustment plates (221) are detachably arranged on both sides of the main cover body (21).
3. The novel middle shield assembly structure of a corn harvester according to claim 2 is characterized in that: The thickness adjustment plate (221) is provided with a plurality of connection holes (4); the thickness adjustment plate (221) is detachably connected to the main cover body (21) via a fastener (5); and the fastener (5) is inserted into the connection hole (4).
4. The novel middle shield assembly structure of a corn harvester according to claim 2 is characterized in that: The thickness adjustment plate (221) comprises a plurality of thick adjustment plates (2211) and a plurality of thin adjustment plates (2212); the plurality of thick adjustment plates (2211) are detachably arranged on both sides of the main cover body (21); and the plurality of thin adjustment plates (2212) are detachably arranged on both sides of the main cover body (21).
5. The novel middle shield assembly structure of a corn harvester according to claim 1 is characterized in that: A rotating support frame (6) is rotatably provided at one end of the main cover body (21) close to the front guard cover (1); the rotating support frame (6) is located below the front guard cover (1); and the rotating support frame (6) supports the front guard cover (1).
6. The novel middle shield assembly structure of a corn harvester according to claim 5 is characterized in that: A limiting support rod (7) is arranged on the rotating support frame (6), and a limiting column (8) is arranged on the main cover body (21); one end of the limiting support rod (7) close to the main cover body (21) abuts against the limiting column (8).
7. The novel middle shield assembly structure of a corn harvester according to claim 1 is characterized in that: The front shield (1) comprises a movable shield body (11), an anti-collision bracket (12) and two anti-collision plates (13); the movable shield body (11) and the rear shield (2) are rotatably connected; the anti-collision bracket (12) is fixed to one end of the movable shield body (11) away from the rear shield (2); one end of the anti-collision bracket (12) away from the movable shield body (11) is in an arc shape; and the two anti-collision plates (13) are respectively fixed to two sides of the movable shield body (11).
8. The novel middle shield assembly structure of a corn harvester according to claim 1 is characterized in that: The rear shield (2) further comprises a support plate (23), wherein the support plate (23) is fixed to the bottom of the main shield body (21).
9. A novel middle shield assembly structure for a corn harvester according to any one of claims 1 to 8, characterized in that: The material of the front shield (1) and the rear shield (2) is LLDPE.