Header reliable in transmission

Abstract

The utility model provides a header reliable in transmission. Comprising a header frame body, an auger conveying device, an ear picking device, a rear protective cover device, a front protective cover device, a grain lifting device, a left side baffle, a right side baffle, an outer protective cover, an outer supporting rod, a smashing shaft, a middle shaft, an ear picking shaft, a smashing machine, an upper input shaft, a supporting device, a front grain pulling chain, a grain pulling chain, a gearbox, a stem pulling roller, a wheel set, feeding rake teeth, an ear picking plate, a first adjusting mechanism, a second adjusting mechanism and a front grass removing cutter. The device comprises a front grass removing knife, a rear grass removing knife, a front tensioning mechanism, an ear picking frame body, a rear tensioning mechanism, a reel, a right middle ear picking frame assembly, a left middle ear picking frame assembly and a belt transmission device, the device has the advantages that the noise and the failure rate are greatly reduced through belt transmission, and the maintenance cost is reduced; the design of the detachable shield supports various harvesting modes and adapts to different planting conditions; the unequal-distance seedling pulling chain is matched with the trapezoidal tooth stem pulling cutter, so that stem blockage is reduced, and the harvesting quality is improved; the space utilization rate is optimized through the split-level design and the reverse spiral blades, and the harmony of the whole machine is improved.

Description

Technical Field

[0001] This utility model relates to the field of harvester headers, specifically to a header with reliable transmission. Background Technology

[0002] Most existing harvester headers use chain drives to power mechanisms for ear picking and conveying. However, chain drives have the following significant drawbacks:

[0003] High transmission noise: Mechanical collision noise is easily generated when the chain and sprocket mesh, which affects the operating environment;

[0004] High failure rate: The chain is prone to wear and stretching, which can lead to asynchronous transmission, causing interference with the ear-picking device, or even the entire machine to stop.

[0005] High maintenance costs: Frequent lubrication and chain tension adjustments are required, increasing the workload.

[0006] In addition, the protective cover of the traditional harvesting platform is fixed and cannot be removed, which cannot adapt to the harvesting needs of crops with different planting row spacings; the spacing of the picking chain of the ear-picking device is uniform, which can easily lead to stalk entanglement; the layout of the left and right ear-picking frame assemblies is unreasonable, which can easily cause interference. Utility Model Content

[0007] The purpose of this invention is to overcome the shortcomings of the above-mentioned traditional technologies and provide a cutting table with reliable transmission. By replacing chain transmission with belt transmission, the harvesting, conveying and protection structures are optimized, thereby improving work efficiency and safety.

[0008] The purpose of this utility model is achieved through the following technical measures: a reliable cutting platform, comprising a cutting platform frame, an auger conveyor, a picking device, a rear protective cover, a front protective cover, a stalk lifting device, left and right side baffles, an outer protective cover, an outer support rod, a crushing shaft, a middle shaft, a picking shaft, a crusher, an upper input shaft, a support device, a front stalk pulling chain, a stalk pulling chain, a gearbox, a stalk pulling roller, a wheel set, feeding rake teeth, a picking plate, an adjustment mechanism one, an adjustment mechanism two, a front weeding knife, a rear weeding knife, a front tensioning mechanism, a picking frame, a rear tensioning mechanism, a stalk pulling wheel, a right-middle picking frame assembly, a left-middle picking frame assembly, and a belt drive device; the belt drive device is connected to the upper input shaft, and the middle shaft, the picking shaft, and the auger conveyor are driven by chains.

[0009] As a preferred embodiment: the front cover device and the rear cover device are detachably connected, and both ends of the rear cover device are detachably connected to the ear-picking device. After the front end of the rear cover device is disassembled, it is fixed by a support device for easy inspection and maintenance. Removing the front cover device forms an open structure to adapt to non-row harvesting operations.

[0010] As a preferred embodiment: the stalk pulling chain is equipped with a plurality of pawls, the pawls on the stalk pulling chain are spaced apart in an unequal manner, and the surface of the stalk pulling roller is provided with trapezoidal toothed stalk pulling blades.

[0011] As a preferred embodiment, the auger conveyor includes helical blades rotating in opposite directions, and the feeding rake teeth are positioned above the middle of the two types of helical blades.

[0012] As a preferred embodiment: the right-center ear-picking frame assembly and the left-center ear-picking frame assembly are arranged in a staggered structure. The right-center ear-picking frame assembly is equipped with a right-center ear-picking claw, and the left-center ear-picking frame assembly is equipped with a left-center ear-picking claw. The right-center ear-picking claw of the right-center ear-picking frame assembly and the left-center ear-picking claw of the left-center ear-picking frame assembly 32 partially overlap during operation but do not interfere with each other.

[0013] As a preferred embodiment, the outer cover completely encloses the belt drive and gearbox, forming a closed protective structure to prevent the transmission components from being exposed.

[0014] As a preferred embodiment: the front part of the ear-picking frame is provided with a front reaping chain and a wheel set, the rear part of the ear-picking frame is connected to a gearbox and a stalk-pulling roller, and the two sides of the ear-picking frame are respectively provided with adjustment mechanism one and adjustment mechanism two, which are linked with the ear-picking plate.

[0015] As a preferred embodiment: the belt drive device includes multiple sets of pulleys and a tensioning mechanism. The tensioning mechanism includes a front tensioning mechanism and a rear tensioning mechanism, which are respectively located at the front and rear ends of the ear-picking frame and are used to adjust the tension of the drive belt.

[0016] Due to the adoption of the above technical solution, the advantages of this utility model compared with the prior art are:

[0017] Improved transmission reliability: Belt drives significantly reduce noise and failure rate, and reduce maintenance costs;

[0018] Enhanced operational adaptability: The detachable cover design supports multiple harvesting modes and adapts to different planting conditions;

[0019] Optimized ear-picking efficiency: The unequal-pitched rice-picking chain, combined with the trapezoidal toothed stalk-pulling knife, reduces stalk blockage and improves harvest quality;

[0020] Structural safety upgrade: The enclosed outer protective cover prevents transmission components from being exposed, reducing operational risks;

[0021] Reasonable spatial layout: The staggered design and reverse spiral blades optimize space utilization and improve the overall coordination of the machine.

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0023] Appendix Figure 1 This is a schematic diagram of the overall structure of a reliable transmission cutting table according to this utility model.

[0024] Appendix Figure 2 This is a schematic diagram of the rear cover device of this utility model after disassembly.

[0025] Appendix Figure 3 This is a structural schematic diagram of the crushing shaft, intermediate shaft, ear-picking shaft, crusher, and upper input shaft of this utility model.

[0026] Appendix Figure 4 This is a schematic diagram showing the position of the support device of this utility model.

[0027] Appendix Figure 5 This is a schematic diagram of the structure of the front reeling chain, reeling chain, gearbox, stalk pulling roller and wheel assembly of this utility model.

[0028] Appendix Figure 6 This is a schematic diagram of the structure of the stem-pulling roller, the front weed-removing blade, the rear weed-removing blade, and the front tensioning mechanism of this utility model.

[0029] Appendix Figure 7 This is a structural schematic diagram of the right-center ear-picking frame assembly and the left-center ear-picking frame assembly of this utility model.

[0030] Appendix Figure 8 This is a schematic diagram of the structure of the present invention, which includes a right-center ear-picking claw and a left-center ear-picking claw. Detailed Implementation

[0031] Example: As attached Figure 1 To be continued Figure 8 As shown, a reliable header includes a header frame 1, an auger conveyor 2, a picking device 3, a rear guard device 4, a front guard device 5, a stalk lifting device 6, left and right side baffles 7, an outer guard 8, an outer support rod 9, a crushing shaft 10, an intermediate shaft 11, a picking shaft 12, a crusher 13, an upper input shaft 14, a support device 15, a front stalk lifting chain 16, a stalk lifting chain 17, a gearbox 18, a stalk pulling roller 19, a wheel set 20, and feeding rake teeth 21. The components include: a picking plate 22, an adjustment mechanism 1 23, an adjustment mechanism 24, a front weeding knife 25, a rear weeding knife 26, a front tensioning mechanism 27, a picking frame 28, a rear tensioning mechanism 29, a reel 30, a right-middle picking frame assembly 31, a left-middle picking frame assembly 32, and a belt drive device 33; the belt drive device 33 is connected to the upper input shaft 14, and the intermediate shaft 11, the picking shaft 12, and the auger conveyor 2 are driven by chains or belts.

[0032] The front protective cover device 5 and the rear protective cover device 4 are detachably connected. Both the front and rear ends of the rear protective cover device 4 are detachably connected to the ear-picking device 3. After the front end of the rear protective cover device 4 is removed, it is fixed by the support device 15 for easy inspection and maintenance. Removing the front protective cover device 5 forms an open structure to adapt to non-row harvesting operations.

[0033] The ear-picking device 3 includes a threshing chain 17 and a stalk-pulling roller 19. The threshing chain 17 is equipped with a plurality of claws, and the spacing between the claws on the threshing chain 17 is set to an unequal structure. The surface of the stalk-pulling roller 19 is provided with trapezoidal toothed stalk-pulling blades.

[0034] The auger conveyor 2 includes spiral blades rotating in opposite directions, and the feeding rake tooth 21 is positioned above the middle of the two spiral blades.

[0035] The right-center ear-picking frame assembly 31 and the left-center ear-picking frame assembly 32 are arranged in a staggered structure. The right-center ear-picking frame assembly 31 is equipped with a right-center ear-picking claw 31.1, and the left-center ear-picking frame assembly 32 is equipped with a left-center ear-picking claw 32.1. The right-center ear-picking claw 31.1 of the right-center ear-picking frame assembly 31 and the left-center ear-picking claw 32.1 of the left-center ear-picking frame assembly 32 partially overlap during operation but do not interfere with each other.

[0036] The outer cover 8 completely encloses the belt drive device 33 and gearbox 18, forming a closed protective structure to prevent the transmission components from being exposed.

[0037] The front part of the ear-picking frame 28 is provided with a front reaping chain 16 and a wheel set 20. The rear part of the ear-picking frame 28 is connected to a gearbox 18 and a stalk-pulling roller 19. The two sides of the ear-picking frame 28 are respectively provided with an adjustment mechanism 1 23 and an adjustment mechanism 24. The adjustment mechanism 1 23 and the adjustment mechanism 24 are linked with the ear-picking plate 22.

[0038] The belt drive device 33 includes multiple sets of pulleys and a tensioning mechanism. The tensioning mechanism includes a front tensioning mechanism 27 and a rear tensioning mechanism 29. The front tensioning mechanism 27 and the rear tensioning mechanism 29 are respectively located at the front and rear ends of the ear-picking frame 28 and are used to adjust the tension of the drive belt.

[0039] This application features four plant channels, each channel as follows: Figure 5 and Figure 6The upper part of the ear-picking frame 28 is equipped with a reeling chain 17, a wheel set 20, a feeding rake tooth 21, an ear-picking plate 22, and a front tensioning mechanism 27; the front part of the ear-picking frame 28 is equipped with a front reeling chain 16 and a wheel set 20; the rear part of the ear-picking frame 28 is equipped with a gearbox 18, which is connected to a stalk-pulling roller 19, and the stalk-pulling roller 19 is equipped with a rear weed-removing blade 26 and a front tensioning mechanism 27 on its side; the lower part of the ear-picking frame 28 is equipped with a stalk-pulling roller 19, a front weed-removing blade 25, a rear weed-removing blade 26, and a front tensioning mechanism 7; adjustment mechanism one 23 and adjustment mechanism two 24 are located on both sides of the ear-picking frame 28, and adjustment mechanism one 23 and adjustment mechanism two 24 are connected to the ear-picking plate 22; the front tensioning mechanism 27 is connected to the reeling wheel 30.

[0040] The front shield device 5 is connected to the rear shield device 4. If necessary, the rear shield device 4 can be detached. After detachment, as follows: Figure 2 When the front protective cover device 5 is connected to the rear protective cover device 4, it improves the ability to harvest along rows. When the front protective cover device 5 is removed, harvesting without rows can be achieved.

Claims

1. A cutting table with reliable transmission, characterized in that: The device includes a header frame (1), an auger conveyor (2), a picking device (3), a rear protective cover device (4), a front protective cover device (5), a stalk lifting device (6), left and right side baffles (7), an outer protective cover (8), an outer support rod (9), a crushing shaft (10), an intermediate shaft (11), a picking shaft (12), a crusher (13), an upper input shaft (14), a support device (15), a front stalk reeling chain (16), a stalk reeling chain (17), a gearbox (18), a stalk pulling roller (19), a wheel set (20), and feeding rake teeth (21). The components include a picking board (22), an adjustment mechanism one (23), an adjustment mechanism two (24), a front weeding knife (25), a rear weeding knife (26), a front tensioning mechanism (27), a picking frame body (28), a rear tensioning mechanism (29), a reel (30), a right-middle picking frame assembly (31), a left-middle picking frame assembly (32), and a belt drive device (33). The belt drive device (33) is connected to the upper input shaft (14), and the intermediate shaft (11), the picking shaft (12), and the auger conveyor device (2) are driven by chains.

2. The reliable cutting table according to claim 1, characterized in that: The front protective cover device (5) and the rear protective cover device (4) are detachably connected. Both the front and rear ends of the rear protective cover device (4) are detachably connected to the ear-picking device (3). After the front end of the rear protective cover device (4) is disassembled, it is fixed by the support device (15) for easy inspection and maintenance. The front protective cover device (5) is removed to form an open structure to adapt to non-row harvesting operations.

3. A reliable cutting table according to claim 1, characterized in that: The stalk pulling chain (17) is equipped with a number of claws, and the spacing between the claws on the stalk pulling chain (17) is set to an unequal structure. The surface of the stalk pulling roller (19) is provided with trapezoidal toothed stalk pulling blades.

4. A reliable cutting table according to claim 1, characterized in that: The auger conveyor (2) includes spiral blades rotating in opposite directions, and the feeding rake tooth (21) is positioned above the middle of the two spiral blades.

5. A reliable cutting table according to claim 1, characterized in that: The right-center ear-picking frame assembly (31) and the left-center ear-picking frame assembly (32) are arranged in a staggered structure. The right-center ear-picking frame assembly (31) is equipped with a right-center ear-picking claw (31.1), and the left-center ear-picking frame assembly (32) is equipped with a left-center ear-picking claw (32.1). The right-center ear-picking claw (31.1) of the right-center ear-picking frame assembly (31) and the left-center ear-picking claw (32.1) of the left-center ear-picking frame assembly (32) partially overlap during operation but do not interfere with each other.

6. A reliable cutting table according to any one of claims 1 to 5, characterized in that: The outer cover (8) completely covers the belt drive device (33) and gearbox (18), forming a closed protective structure to prevent the transmission components from being exposed.

7. A reliable cutting table according to claim 1, characterized in that: The front part of the ear-picking frame (28) is provided with a front reaping chain (16) and a wheel set (20). The rear part of the ear-picking frame (28) is connected to a gearbox (18) and a stalk-pulling roller (19). The two sides of the ear-picking frame (28) are respectively provided with adjustment mechanism one (23) and adjustment mechanism two (24). The adjustment mechanism one (23) and adjustment mechanism two (24) are linked with the ear-picking plate (22).

8. A reliable cutting table according to claim 7, characterized in that: The belt drive device (33) includes multiple sets of pulleys and a tensioning mechanism. The tensioning mechanism includes a front tensioning mechanism (27) and a rear tensioning mechanism (29). The front tensioning mechanism (27) and the rear tensioning mechanism (29) are respectively located at the front and rear ends of the ear-picking frame (28) and are used to adjust the tension of the drive belt.

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