Fresh corn header with split type reel output shaft

Abstract

The utility model relates to the technical field of corn harvesters, in particular to a fresh corn header with a split type reel output shaft. The device comprises a plurality of box bodies fixed on a header, wherein the adjacent box bodies are connected through a transmission shaft penetrating through the box bodies; two seedling pulling output shafts are arranged in each box body in a split mode, angular contact ball bearings are arranged between the two ends of a transmission shaft and the box bodies, and two sets of bevel gears I are arranged in the middle of the transmission shaft. A bevel gear II matched with the bevel gear I is arranged at the lower end of the reel output shaft, a deep groove ball bearing is arranged between the middle of the reel output shaft and the box body, and the upper end of the reel output shaft is connected with a reel chain mechanism. The transmission mode between the transmission shaft and the reel output shafts is improved, the reel output shafts are arranged in a split mode, and each reel output shaft is a relatively independent module, so that when a certain reel output shaft is maintained or installed, other parts do not need to be influenced, the assembly process is simplified, maintenance is convenient, and the cost is reduced. The device is especially suitable for fresh corn harvesters.

Description

TECHNICAL FIELD

[0001] The utility model relates to corn harvester technical field, concretely relates to a kind of fresh corn header of split type of prong output shaft. BACKGROUND

[0002] When the traditional corn harvester header harvests fresh corn, the crop density and height difference often lead to low prong efficiency and complex maintenance. To solve these problems, technicians have made many attempts. For example, Chinese patent CN214800858U discloses a narrow row spacing corn header ear picking transmission box, which uses an integrated prong output shaft structure that rotates relative to each other. However, this solution still has shortcomings: the integrated prong mechanism is complex, not only increasing assembly and maintenance costs, but also requiring the entire transmission system to be disassembled when repairing individual prong components, which severely affects work efficiency. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a fresh corn header with split prong output shafts. By improving the transmission structure, the split prong output shafts simplify the assembly process, improve maintenance convenience, and meet the special needs of fresh corn harvesting.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A fresh corn header with split prong output shafts includes multiple boxes fixed to the header, and adjacent boxes are connected by a transmission shaft that passes through them. Each box has two split prong output shafts inside, where:

[0006] The transmission shaft has angular contact ball bearings between its two ends and the boxes, and two sets of bevel gears I are arranged on the transmission shaft;

[0007] The prong output shaft has bevel gears II at its lower end that cooperate with the bevel gears I, deep groove ball bearings between its middle part and the box, and a prong chain mechanism connected to its upper end;

[0008] Then, the split prong output shafts drive the prong chain mechanism to perform pronging operations under the drive of the transmission shaft.

[0009] The technical scheme improves the transmission mode between the transmission shaft and the sweeping output shaft, simplifies the assembly process and is convenient to maintain, and is particularly suitable for fresh corn harvesting machines. Specifically, adjacent boxes are connected through the transmission shaft penetrating therein to form a continuous transmission chain, ensuring efficient transmission of power from the engine to each sweeping output shaft; the sweeping output shaft is arranged in a split type, and each sweeping output shaft is a relatively independent module, so that when a sweeping output shaft is repaired or installed, other parts do not need to be affected, improving the convenience and efficiency of maintenance; the meshing between the bevel gear I and the bevel gear II not only realizes power transmission, but also increases the stability of transmission through gear meshing; the upper end of the sweeping output shaft is connected with the sweeping chain mechanism, and the split type driving mode not only improves the flexibility of sweeping, but also enables the header to adapt to corn crops of different densities and heights.

[0010] In addition, the fresh corn header with the split type sweeping output shaft according to the above-mentioned technical scheme of the utility model can have the following additional technical features:

[0011] According to one embodiment of the utility model, the input end of the transmission shaft is connected with the output shaft of the engine, and the output end is connected with the adjacent box.

[0012] In the technical scheme, the engine serves as a power source, and the torque and speed output by the engine are transmitted through the transmission shaft to drive a plurality of connected boxes.

[0013] According to one embodiment of the utility model, the sweeping output shafts are located on the same side of the box, and the sweeping output shafts are arranged in parallel and at intervals.

[0014] In the technical scheme, the sweeping output shafts located on the same side facilitate the installation and maintenance of the sweeping chain mechanism.

[0015] According to one embodiment of the utility model, the gear ratio of the bevel gear I and the bevel gear II is 17:23.

[0016] In the technical scheme, the speed of the bevel gear II is faster than that of the bevel gear I, the speed is increased, the output torque is correspondingly reduced, and the sweeping chain mechanism can adapt to corn crops of different densities and heights.

[0017] According to one embodiment of the utility model, the type of the angular contact ball bearing is GB / T292-7010C ball bearing.

[0018] In the technical scheme, the contact angle of the GB / T 292-7010C type is 15°, the contact area is small, which helps to reduce friction and heat generation; two or more angular contact ball bearings are installed in pairs to form a fixed or adjustable pre-tightening combination, and the angular contact ball bearing can improve the rigidity of the transmission shaft through pre-tightening.

[0019] According to one embodiment of the present application, the deep groove ball bearing is of the model GB / T276-6305-2RSTFP-ball bearing.

[0020] In the technical solution, the GB / T276-6305-2RSTFP is of medium width, the inner diameter size is 25 mm, the bearing is provided with sealing rings on both sides and filled with lubricating grease or protective coating, which prevents external pollutants from entering the bearing and reduces the loss of lubricant, thereby prolonging the service life of the bearing.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] By improving the transmission mode between the transmission shaft and the hay output shaft, the hay output shaft is arranged in a split type, and each hay output shaft is a relatively independent module, so that when a certain hay output shaft is repaired or installed, other parts do not need to be affected, the assembly process is simplified and maintenance is facilitated, and the present application is particularly suitable for fresh corn harvester. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a sectional view of the present application.

[0024] Figure 2 is a perspective view of the present application.

[0025] In the drawing: 1, box; 2, transmission shaft; 3, angular contact ball bearing; 4, bevel gear I; 5, bevel gear II; 6, hay output shaft; 7, deep groove ball bearing. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment 1

[0028] As shown in Figure 1 and Figure 2 , the present embodiment provides a split type fresh corn header, which comprises a plurality of boxes 1 fixed on the header, adjacent boxes 1 are connected through a transmission shaft 2 penetrating therein; each box 1 is split type provided with two hay output shafts 6, wherein:

[0029] The transmission shaft 2 is provided with angular contact ball bearings 3 between the two ends and the box 1, and part of which is respectively provided with two groups of bevel gears I 4;

[0030] The lower end of the raking output shaft 6 is provided with a bevel gear II 5 matched with the bevel gear I 4, the middle part is provided with a deep groove ball bearing 7 between the box body 1, and the upper end is connected with the raking chain mechanism;

[0031] Therefore, the split type raking output shaft 6 drives the raking chain mechanism to perform the raking operation under the driving of the transmission shaft 2.

[0032] As shown in Figure 1 and Figure 2 The technical scheme improves the transmission mode between the transmission shaft 2 and the raking output shaft 6, simplifies the assembly process and is convenient for maintenance, and is particularly suitable for fresh corn harvester. Specifically, adjacent box bodies 1 are connected through the transmission shaft 2 penetrating therein to form a continuous transmission chain, ensuring efficient transmission of power from the engine to each raking output shaft 6; the raking output shaft 6 is split type, each raking output shaft 6 is a relatively independent module, so that when repairing or installing a raking output shaft 6, other parts do not need to be affected, improving the convenience and efficiency of maintenance; the meshing between the bevel gear I 4 and the bevel gear II 5 not only realizes the transmission of power, but also increases the stability of transmission through gear meshing; the upper end of the raking output shaft 6 is connected with the raking chain mechanism, the split type driving mode not only improves the flexibility of raking, but also enables the header to adapt to corn crops of different densities and heights.

[0033] In addition, according to the above-mentioned split type fresh corn header of the raking output shaft 6 of the utility model, the following additional technical features can also be provided:

[0034] According to an embodiment of the utility model, the input end of the transmission shaft 2 is connected with the output shaft of the engine, and the output end is connected with the adjacent box body 1.

[0035] In the technical scheme, the engine serves as a power source, and the torque and speed output by the engine are transmitted through the transmission shaft 2 to drive a plurality of serially connected box bodies 1.

[0036] According to an embodiment of the utility model, the raking output shafts 6 are located on the same side of the box body 1, and the raking output shafts 6 are arranged in parallel and spaced apart.

[0037] In the technical scheme, the raking output shafts 6 located on the same side facilitate the installation and maintenance of the raking chain mechanism.

[0038] According to an embodiment of the utility model, the gear ratio of the bevel gear I 4 and the bevel gear II 5 is 17:23.

[0039] In the technical scheme, the speed of the bevel gear II 5 is faster than that of the bevel gear I 4, the speed is increased, and the output torque is correspondingly reduced, so that the raking chain mechanism can adapt to corn crops of different densities and heights.

[0040] According to one embodiment of the present application, the angular contact ball bearing 3 is of the type GB / T292-7010C.

[0041] In the present technical solution, the contact angle of the GB / T 292-7010C type is 15°, and the contact area is small, which helps to reduce friction and heat generation; two or more angular contact ball bearings 3 are paired and installed to form a fixed or adjustable pre-tightening combination, and the angular contact ball bearing 3 can improve the rigidity of the transmission shaft 2 through pre-tightening.

[0042] According to one embodiment of the present application, the deep groove ball bearing 7 is of the type GB / T276-6305-2RSTFP.

[0043] In the present technical solution, GB / T276-6305-2RSTFP is of medium width, the inner diameter size is 25mm, both sides of the bearing are provided with sealing rings and filled with lubricating grease or protective coating to prevent external pollutants from entering the bearing interior, while reducing the loss of lubricant, thereby prolonging the service life of the bearing.

[0044] The use process of the above embodiment is as follows:

[0045] As shown in Figure 1 and Figure 2 , during operation, the engine power is transmitted through the transmission shaft 2 to drive the two bevel gears I 4 on it to rotate, and then drive the bevel gears II 5 and the two harrowing output shafts 6 to rotate; the two harrowing output shafts 6 drive the harrowing chain mechanism to perform harrowing operation; the split type setting not only simplifies assembly, but also facilitates later maintenance, and improves the working efficiency and flexibility of the cutting platform.

[0046] In addition, the plurality of boxes 1 fixed on the cutting platform are connected through the transmission shaft 2 to form a continuous transmission path; the transmission shaft 2 is supported at both ends by the angular contact ball bearing 3 to ensure smooth operation; the middle part of the harrowing output shaft 6 is supported by the deep groove ball bearing 7, and the upper end is connected to the harrowing chain mechanism; the angular contact ball bearing 3 (GB / T292-7010C) and the deep groove ball bearing 7 (GB / T276-6305-2RSTFP) are respectively designed through pre-tightening and sealing to improve the rigidity of transmission and the service life of the bearing, and to ensure efficient operation of the cutting platform in corn crops of different densities and heights.

[0047] Although the utility model is described in detail by referring to the drawings and in conjunction with the preferred embodiments, the utility model is not limited thereto. Without departing from the spirit and essence of the utility model, those skilled in the art can make various equivalent modifications or replacements to the embodiments of the utility model, and these modifications or replacements should be within the scope of the utility model. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, and these changes or replacements should be within the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A split type fresh corn header with a separate output shaft for the swaths, characterized in that, The utility model relates to a kind of box (1) for cutting platform, adjacent box (1) is connected by transmission shaft (2) through it inside;Two pronging output shafts (6) are separately provided in each box (1), wherein: Transmission shaft (2), its both ends are provided with angular contact ball bearing (3) between box (1), wherein two groups of conical gear I (4) are respectively provided with; Pronging output shaft (6), its lower end is provided with conical gear II (5) with conical gear I (4) cooperation, its middle part is provided with deep groove ball bearing (7) between box (1), its upper end is connected with pronging chain mechanism; Then, the pronging output shaft (6) of split type is driven pronging chain mechanism and carries out pronging operation under the drive of transmission shaft (2).

2. The split-shaft fresh market corn header of claim 1, wherein: The input end of the transmission shaft (2) is connected with the output shaft of the engine, and the output end is connected with the adjacent box (1).

3. The split-shaft fresh market corn header of claim 1, wherein: The pronging output shaft (6) is located on the same side of the box (1), and the pronging output shafts (6) are arranged in parallel and spaced apart.

4. The split-shaft fresh market corn header of claim 1, wherein: The gear ratio of the conical gear I (4) and the conical gear II (5) is 17:

23.

5. The split-shaft fresh market corn header of claim 1, wherein: The angular contact ball bearing (3) is model GB / T292-7010C ball bearing.

6. The split-shaft, fresh market corn header of claim 1, wherein: The deep groove ball bearing (7) is model GB / T276-6305-2RSTFP-ball bearing.

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