Corn stalk pulling and feeding device

By designing a corn stalk lifting and feeding device, which uses a supporting component and guide rod to lift up the lodged corn stalks, the problem of lodged corn being difficult to harvest is solved, and harvesting efficiency and mechanization level are improved.

CN223872863UActive Publication Date: 2026-02-06HENAN SHANGYI MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520442947.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-06
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing corn harvester feeding devices are unable to effectively handle lodged corn, resulting in low harvesting efficiency, high labor intensity, and hindering the promotion and development of agricultural automation.

Method used

A corn stalk feeding device was designed, including a stalk lifting component, a stalk pulling component, and a guide rod. The device lifts the fallen corn stalks with a chain and toothed plate, and then smoothly feeds the corn stalks into the harvester using the stalk lifting component and the guide rod.

Benefits of technology

This has enabled efficient harvesting of lodged corn, reduced manual labor, increased harvesting efficiency, reduced labor intensity, and promoted the development of agricultural mechanization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a corn stalk pulling and feeding device, and belongs to the technical field of corn harvesting equipment. A corn stalk pulling and feeding device comprises a plurality of transmission boxes fixed to the surface of a header rack, two ear picking plates are fixed to the surfaces of the transmission boxes, stalk pulling assemblies are arranged below the ear picking plates, and grain lifting assemblies are arranged on the lower surfaces of the tail ends of the ear picking plates respectively. The grain lifting assembly comprises two double-row chain wheels rotationally connected to the surface of the mounting frame and two chains in transmission connection to the surfaces of the two double-row chain wheels, and a plurality of toothed plates are arranged on the surfaces of the two chains at intervals; according to the utility model, the grain lifting assembly is arranged, and the two chains synchronously drive the plurality of toothed plates to roll upwards, so that lodging corn stalks can be conveniently lifted up in the vertical direction, the corn stalks can smoothly enter a gap between the two ear picking plates, and the corn stalks can be conveniently fed into the harvester through the grain pulling assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to corn harvesting equipment technical field especially relates to a corn stalk pole prying and feeding device. BACKGROUND

[0002] Corn is the crop that is widely planted in our country and the world, along with the development of agricultural machinery, corn harvester gradually popular, but in the corn harvesting time, often due to weather, corn often will occur lodging phenomenon, in the weather is not good area, lodging phenomenon is more serious.

[0003] The feeding device of the existing corn harvester is designed for normal growth corn, and the lodged corn cannot be normally harvested, and still needs manpower to harvest in advance, and if the existing equipment is used, it will cause the corn to be crushed and damaged or missed in the picking process, and the above problems lead to that the existing corn harvesting work is not only low in efficiency, but also greatly increases the labor intensity of the farmer friends, and greatly influences the promotion and development of agricultural automation. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of inconvenient harvesting of lodged corn in the prior art and provides a corn stalk pole prying and feeding device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme.

[0006] A corn stalk pole prying and feeding device, comprising a plurality of transmission boxes fixed on the surface of the cutterbar frame, two ear picking plates are fixed on the surface of the transmission box, a stalk pulling assembly is arranged below the ear picking plate, a stalk supporting assembly is arranged on the lower surface of the tail end of the ear picking plate respectively.

[0007] The stalk supporting assembly comprises two double-row sprockets rotatably connected to the surface of the mounting bracket and two chains rotatably connected to the surface of the two double-row sprockets, and a plurality of toothed plates are arranged on the surface of the two chains.

[0008] A guide rod is arranged between the two chains.

[0009] In some embodiments, the mounting bracket is fixed obliquely on the lower surface of the tail end of the ear picking plate, the lower end of the mounting bracket is directed away from the transmission box, and the double-row sprocket at the high position is rotatably connected to the tail end of the stalk pulling roller through the transmission assembly.

[0010] In some embodiments, a protective cover is fixed on the upper surface of the plurality of ear picking plates, the tail end of the protective cover is conical, the guide rod is fixed at the conical tip of the tail end of the protective cover, and the guide rod is arranged obliquely and directed away from the transmission box.

[0011] In some embodiments, the stem pulling assembly comprises a double bevel gear fixedly assembled on the surface of the transmission shaft, and two stem pulling rollers rotationally connected on the surface of the transmission box, and the two stem pulling rollers are respectively fixed with a first bevel gear at one end inside the transmission box, and the two first bevel gears are respectively engaged with the two sides of the double bevel gear.

[0012] In some embodiments, the upper surfaces of the two ear picking plates are respectively provided with a straw poking assembly, the straw poking assembly comprises two straw poking wheels rotationally arranged on the upper surface of the transmission box and the tail end of the ear picking plate, and the surfaces of the two straw poking wheels are transmissionally connected with a straw poking chain, and the straw poking chain is provided with a plurality of straw poking teeth at intervals.

[0013] In some embodiments, the tail ends of the plurality of stem pulling rollers for providing power for the double-row chain wheels are fixed with a tapered head.

[0014] Compared with the prior art, the corn stem poking and feeding device has the following beneficial effects.

[0015] 1、The corn stalks can be easily lifted to the vertical direction, and the corn stalks can be smoothly fed into the gap between the two ear picking plates, so that the corn stalks can be fed into the harvester through the straw poking assembly.

[0016] 2、The corn stalks can be transported to the surface of the guide rod when the chain and the toothed plate lift the corn stalks, and the corn stalks can be more smoothly fed between the two ear picking plates through the guide rod, so that the material is not blocked.

[0017] Other advantages, objects and features of the present application will be apparent from the following detailed description of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an axial structure schematic view of the present application.

[0019] Figure 2 It is a bottom view structure schematic view of the present application.

[0020] Figure 3 It is an enlarged structure schematic view of A in the present application. Figure 2

[0021] Figure 4 It is an enlarged structure schematic view of B in the present application. Figure 1

[0022] Figure 5 ​​The utility model discloses Figure 2 Amplification structure schematic diagram at C.

[0023] Figure 6 The utility model discloses an axial structure schematic diagram after the protection cover of the utility model is removed.

[0024] Figure 7 The utility model discloses a side view cross section structure schematic diagram.

[0025] Figure 8 The utility model discloses a cross section structure schematic diagram of transmission case in the utility model.

[0026] In the drawing,

[0027] 1, transmission case;2, ear plate;3, header frame;4, transmission shaft;5, pull stalk component;501, double face bevel gear;502, pull stalk roller;503, first bevel gear;6, support component;601, mounting frame;602, double row sprocket;603, chain;604, toothed plate;7, guide rod;8, protection cover;9, transmission component;901, synchronous wheel;902, synchronous belt;903, first connecting shaft;904, straight tooth gear;905, second connecting shaft;906, second bevel gear;907, fixed plate;10, taper head;11, sweep component;1101, sweep wheel;1102, third bevel gear;1103, sweep chain;1104, sweep tooth. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] Referring to Figures 1-8 A corn stalk sweep feeding device, including multiple transmission cases 1 fixed on the surface of header frame 3, two ear plates 2 are fixed on the surface of transmission case 1, and a gap for making corn stalks fall is arranged between the two ear plates 2, a transmission shaft 4 is horizontally rotatable on the surface of transmission case 1, a pull stalk component 5 is arranged below ear plate 2, and the pull stalk component 5 includes double face bevel gear 501 fixedly assembled on the surface of transmission shaft and two pull stalk rollers 502 rotatably connected on the surface of transmission case 1, one end of two pull stalk rollers 502 inside transmission case 1 is respectively fixed with first bevel gear 503, two first bevel gears 503 are respectively engaged with both sides of double face bevel gear 501, and multiple toothed plates 604 are respectively fixed on the surface of two pull stalk rollers 502, and the multiple toothed plates 604 are relatively connected in the rotating process, and the connecting position of toothed plate 604 is directly below the gap between two ear plates 2;

[0030] The upper surfaces of the two ear picking plates 2 are respectively provided with a weeding assembly 11, the weeding assembly 11 comprises two weeding wheels 1101 rotating on the upper surface of the transmission box 1 and the tail end of the ear picking plate 2 respectively, the lower end of the weeding wheel 1101 located on the upper surface of the transmission box 1 is fixed with a third bevel gear 1102, the third bevel gear 1102 is arranged in the transmission box 1, another third bevel gear 1102 is fixedly arranged on the surface of the transmission shaft 4, the two third bevel gears 1102 are in meshing relationship, and the two third bevel gears 1102 are located on the side surface of the double-sided bevel gear 501; the surfaces of the two weeding wheels 1101 are transmissionally connected with a weeding chain 1103, the surface of the weeding chain 1103 is provided with a plurality of weeding teeth 1104 at intervals, the transmission box 1 has a plurality of groups and is arranged side by side on the surface of the cutting table frame 3, and the plurality of transmission shafts 4 are transmissionally connected through the shaft coupling.

[0031] It can be understood that the third bevel gear 1102 is driven to rotate by the transmission shaft 4, the weeding wheel 1101 is driven to rotate under the meshing relationship of the two third bevel gears 1102, the adjacent two weeding chains 1103 are rolled, the corn stalks are fed into the harvester through the weeding teeth 1104, at the same time, the double-sided bevel gear 501 is driven to rotate while the transmission shaft 4 rotates, the two stalk pulling rollers 502 are driven to rotate in opposite directions under the meshing relationship of the double-sided bevel gear 501 and the two first bevel gears 503, the corn stalks are pulled downward through the butt joint and rotary motion of the toothed plates 604, and the corn on the surface of the corn stalks is separated through the two ear picking plates 2 during the downward falling of the corn stalks between the two ear picking plates 2.

[0032] Specifically, the tail end lower surfaces of the plurality of ear picking plates 2 are respectively provided with a weeding assembly 6, the weeding assembly 6 comprises two double-row sprockets 602 rotationally connected to the surface of the mounting frame 601 and two chains 603 transmissionally connected to the surfaces of the two double-row sprockets 602, the surfaces of the two chains 603 are provided with a plurality of toothed plates 604 at intervals, the mounting frame 601 is fixed obliquely to the tail end lower surface of the ear picking plate 2, the lower end of the mounting frame 601 faces away from the transmission box 1, and the double-row sprocket 602 located at a high position is transmissionally connected to the tail end of the stalk pulling roller 502 through the transmission assembly 9.

[0033] It can be understood that the two double-row sprockets 602 are driven to rotate through the transmission assembly 9, so that the two chains 603 synchronously drive the plurality of toothed plates 604 to roll upward, so as to facilitate the fallen corn stalks to be lifted in the vertical direction, so that the corn stalks smoothly enter the gap between the two ear picking plates 2, and the corn stalks are fed into the harvester through the weeding assembly 11.

[0034] Specifically, the transmission assembly 9 comprises two synchronous wheels 901 fixedly assembled at the tail end of the stalk pulling roller 502 and the surface of the first connecting shaft 903, the two synchronous wheels 901 are drivingly connected through a synchronous belt 902, the end of the first connecting shaft 903 away from the synchronous wheel 901 is rotatably provided with a fixed plate 907, the fixed plate 907 is fixed to the lower surface of the tail end of the ear picking plate 2, the surface of the fixed plate 907 is rotatably provided with a second connecting shaft 905, the surfaces of the first connecting shaft 903 and the second connecting shaft 905 are respectively fixedly provided with spur gears 904, the two spur gears 904 are in meshing relationship, the end of the second connecting shaft 905 away from the spur gear 904 is fixedly provided with a second bevel gear 906, the surface of the double-row sprocket 602 at a high position is fixedly provided with another second bevel gear 906, the two second bevel gears 906 are in meshing relationship.

[0035] It can be understood that, by arranging the synchronous wheel 901 and the synchronous belt 902, the stalk pulling roller 502 drives the first connecting shaft 903 to rotate, under the meshing relationship of the two spur gears 904, the second connecting shaft 905 is driven to rotate, under the action of the two second bevel gears 906, the double-row sprocket 602 is driven to rotate, at the same time, the rotating direction of the two chains 603 and the toothed plate 604 is ensured to be upward by changing the rotating direction of the two spur gears 904, so that the fallen corn stalks are lifted up.

[0036] Specifically, the upper surfaces of the plurality of ear picking plates 2 are fixedly provided with protective covers 8, the tail end of the protective cover 8 is conical, the conical tip of the tail end of the protective cover 8 is fixedly provided with a guide rod 7, the guide rod 7 is arranged obliquely, and the lower end is directed away from the transmission box 1, the lower end of the guide rod 7 is arranged between the two chains 603.

[0037] It can be understood that, by arranging the guide rod 7, the corn stalks are conveyed to the surface of the guide rod 7 when the chains 603 and the toothed plate 604 lift up the corn stalks, the guide rod 7 is forwardly moved by the harvester through the relay of the guide rod 7, under the conical effect of the tail end of the protective cover 8, the corn stalks are more smoothly fed between the two ear picking plates 2, so that the material blocking is avoided.

[0038] Specifically, the tail end of the plurality of stalk pulling rollers 502 for providing power for the double-row sprocket 602 is fixedly provided with a tapered head 10, the maximum diameter of the tapered head 10 is greater than the diameter of the synchronous wheel 901.

[0039] It can be understood that, by arranging the tapered head 10, the synchronous wheel 901 is shielded, so that the corn stalks are prevented from being wound on the surface of the synchronous wheel 901 when passing through the synchronous wheel 901, and the synchronous wheel 901 is prevented from being blocked.

[0040] The utility model discloses, through the transmission shaft 4 drive third bevel gear 1102 carries out rotation to make adjacent two chain 1103 carry out rolling, through the corn stalk of corn stalk tooth 1104 is fed into to the harvester, simultaneously, with the rotation of transmission shaft 4, drive double-sided bevel gear 501 carries out rotation, makes two stem roller 502 simultaneously rotate to opposite direction, through the butt joint and rotation of toothed plate 604 corn stalk is pulled down, the corn stalk falls down between two earing plate 2, through two earing plate 2 corn on the surface of corn stalk is separated, simultaneously, through stem roller 502 drive first connecting shaft 903 and second connecting shaft 905 carry out rotation, drive two double row sprocket wheel 602 carry out rotation, make two chain 603 synchronous belt 902 drive a plurality of toothed plate 604 roll up, thereby convenient for the corn stalk of downed corn stalk stem is transported to the surface of guide rod 7, is continued to drive guide rod 7 to move in harvester, under the conical effect of guide rod 7 and protective cover 8 tail end, corn stalk is fed into between two earing plate 2 more smoothly, avoids material blockage.

[0041] The above merely describes a preferred embodiment of the present application, and the scope of protection of the present application is not limited thereto. Any person skilled in the art, within the technical scope disclosed by the present application, can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application, and all of them shall be covered within the scope of protection of the present application.

[0042] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0043] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A corn stalk poking and feeding device, comprising a plurality of transmission boxes (1) fixed on the surface of a header frame (3), the surface of the transmission box (1) is fixed with two ear picking plates (2), characterized in that, The stem pulling assembly (5) is arranged below the ear picking plate (2), and the supporting and straightening assemblies (6) are arranged on the lower surface of the tail end of the ear picking plate (2) respectively. The supporting and straightening assembly (6) comprises two double-row chain wheels (602) rotatably connected to the surface of a mounting rack (601) and two chains (603) drivingly connected to the surface of the double-row chain wheels (602), and a plurality of toothed plates (604) are arranged on the surface of the two chains (603) at intervals. The guide rod (7) is arranged between the two chains (603).

2. A corn stalk poking and feeding device according to claim 1, characterized in that, The mounting rack (601) is fixed obliquely on the lower surface of the tail end of the ear picking plate (2), the lower end of the mounting rack (601) is directed away from the transmission box (1), and the double-row chain wheel (602) located at the high position is drivingly connected to the tail end of the stem pulling roller (502) through the transmission assembly (9).

3. A corn stalk poking and feeding device according to claim 1, wherein The protective cover (8) is fixed on the upper surface of the ear picking plate (2), the tail end of the protective cover (8) is tapered, the guide rod (7) is fixed on the tapered tip of the tail end of the protective cover (8), and the guide rod (7) is arranged obliquely and directed away from the transmission box (1) at the lower end.

4. A corn stalk poking and feeding device according to claim 1, wherein The stem pulling assembly (5) comprises a double-sided bevel gear (501) fixedly assembled on the surface of a transmission shaft and two stem pulling rollers (502) rotatably connected to the surface of the transmission box (1), one end of each of the two stem pulling rollers (502) located inside the transmission box (1) is fixedly provided with a first bevel gear (503), and the two first bevel gears (503) are respectively engaged with the two sides of the double-sided bevel gear (501).

5. A corn stalk poking and feeding device according to claim 1, wherein The ear picking plate (2) is arranged on the upper surface of the ear picking plate (2) respectively.

6. A corn stalk poking and feeding device according to claim 1, wherein The tail end of the stem pulling roller (502) for providing power for the double-row chain wheel (602) is fixedly provided with a tapered head (10).