Header of full-hydraulic corn harvester

Through the combination of transverse movement, rotation and tensioning devices, the problem that the existing corn harvester's cutting table cannot adjust the angle of the straw divider and the distance of the straw stripping chain is solved, the adaptability and stability to corn stalks of different sowing widths are achieved, and the production efficiency of the corn harvester is improved.

CN223437427UActive Publication Date: 2025-10-17WEIFANG RUIYI AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202423010571.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-17
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing fully hydraulic corn harvester header cannot adjust the angle of the straw divider tip and the relative distance of the straw stripping chain, making it difficult to adapt to corn stalks of different sowing widths, resulting in two stalks entering the cutting area at the same time.

Method used

It adopts a transverse movement device, a rotating device and a tensioning device. The transverse movement device is used to adjust the equipment to adapt to corn stalks of different diameters. The rotating device adjusts the opening and closing angle of the input tip. The driving device gathers the straw and keeps it in a tensioned state, thereby improving the adaptability and practicality of the equipment.

Benefits of technology

It reduces the situation where two straws enter the cutting area at the same time, improves the adaptability and practicality of the device to fields with different sowing widths, and enhances the stability and production efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of corn harvesters, in particular to a full-hydraulic corn harvester header which drives equipment to be self-adjusted through a transverse moving device, so that the equipment can adapt to corn straws with different diameters, the situation that double straws enter a cutting area at the same time in the collecting process is reduced, and the working efficiency is improved. The rotary device drives the equipment to adjust the opening and closing angle of the input tip end, so that the corn straw harvester is suitable for fields with different sowing width intervals, and the practicability of the corn straw harvester is improved; the driving device is kept in a self-tensioning state in the adjusting process along with the transverse moving device and the rotating device through the tensioning device, so that the practicability of the device is improved; the full-hydraulic corn harvester header comprises a transverse moving device, a rotating device, a driving device and a tensioning device, the rotating device is installed on the transverse moving device, the driving device is installed on the transverse moving device, and the tensioning device is installed on the transverse moving device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of corn harvester, especially to a full hydraulic corn harvester header. BACKGROUND

[0002] The corn harvester is the working machine tool that is used for completing the stalk cutting, ear picking, peeling, straw processing and post-harvest rotary tillage of the land and other production links of the corn according to the planting mode and the agronomic requirements when the corn is mature.

[0003] The prior art CN201720292623.X relates to a full hydraulic corn harvester header, which comprises an oil tank, a hydraulic master pump, a check valve, a manual reversing valve, a pressure reducing valve, a cutter oil cylinder, a drive motor and a safety valve, etc.

[0004] However, the above-mentioned device does not have the ability to adjust the tip angle of the divider, and does not have the ability to adjust the distance between the two groups of stripping chains that are relatively matched, so it is difficult to adapt to different sowing width corn stalks. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a full hydraulic corn harvester header, which is self-adjusted by a horizontal moving device, can adapt to different diameter corn stalks, reduces the situation that double stalks enter the cutting area at the same time during the collection process, adjusts the opening and closing angle of the input tip by a rotating device, adapts to fields with different sowing width intervals, improves the practicability of the device, and enters the subsequent cutting area after the corn stalks are gathered by a driving device, keeps the driving device in a tensioned state during the adjustment process of following the horizontal moving device and the rotating device by a tensioning device, and improves the practicability of the device.

[0006] The full hydraulic corn harvester header of the utility model comprises a horizontal moving device, a rotating device, a driving device and a tensioning device, the rotating device is installed on the horizontal moving device, the driving device is installed on the horizontal moving device, and the tensioning device is installed on the horizontal moving device.

[0007] Preferably, the transverse movement device includes a main arm plate, a transverse movement limit rod, a limit extension block, a transverse movement adjustment plate and a transverse movement cylinder, and multiple groups of transverse movement limit rods are evenly arranged on the inner side of the upper end surface of the main arm plate, the transverse movement adjustment plate is located on the upper side of the main arm plate, and multiple groups of limit extension blocks are arranged on the outer surface of the transverse movement adjustment plate corresponding to the positions of the multiple groups of transverse movement limit rods, and circular through holes are provided on the outer surface of the limit extension block and are connected to the transverse movement limit rods at corresponding positions, and a group of transverse movement cylinders are respectively provided at the front and rear outer sides of the upper end surface of the main arm plate, and the moving end of the transverse movement cylinder is connected to the outer side surface of the transverse movement adjustment plate; by controlling the elongation of the transverse movement cylinder, the position of the transverse movement adjustment plate on the main arm plate is adjusted, and then the effective action distance of the two groups of equipment on the straw is adjusted, to adapt to straws of different diameters, and to reduce the situation where two to three straws enter the cutting area at the same time, and the transverse movement process of the transverse movement adjustment plate is limited by the transverse movement limit rod and the limit extension block, thereby improving the stability and practicality of the device.

[0008] Preferably, the rotating device includes a rotating arm, a bearing, a support frame, a first bearing seat, a rotating cylinder and a second bearing seat. The front of the main arm plate is connected to the rotating arm through a bearing. A support frame is provided on the outer front of the main arm plate. The front of the support frame is connected to the fixed end of the rotating cylinder through the first bearing seat, and the movable end of the rotating cylinder is connected to the middle of the rotating arm through the second bearing seat; by controlling the elongation of the rotating cylinder, the rotating arm is driven to rotate around the front of the main arm plate, thereby changing the angle of action on the corn straw income area, adapting to corn fields with different planting widths, and improving the adaptability and practicality of the device.

[0009] Preferably, the driving device includes a front stem pulling roller, a rear stem pulling roller, a middle stem pulling roller, a reducer, an electric motor and a straw stripping chain. The front end face of the rotating arm is provided with a front stem pulling roller, the rear end face of the transverse adjustment plate is provided with a rear stem pulling roller, the upper end face of the transverse adjustment plate is provided with a middle stem pulling roller, and the rear end face of the transverse adjustment plate is provided with a reducer. The output end of the reducer is connected to the rear stem pulling roller, and the electric motor is installed on the reducer. The straw stripping chain is mounted on the rear stem pulling roller, the middle stem pulling roller and the front stem pulling roller; turning on the electric motor transmits power to the rear stem pulling roller through the reducer to drive the rear stem pulling roller. The corn stalks are gathered to the middle part through the stripping chain in the area between the front and middle stem rollers, and pushed backwards through the stripping chain between the rear and middle stem rollers. The distance between the stripping chains on the two adjacent matching sets of equipment is adjusted in coordination with the adjustment of the transverse device to adapt to corn stalks of different diameters. The angle of the stripping chains on the two adjacent matching sets of equipment at the front is changed by adjusting the rotating device, and corn stalks with different planting widths are gathered, thereby improving the practicality of the device.

[0010] Preferably, the tensioning device comprises a tensioning oil cylinder, a transverse sliding block and limiting slide rails, the front part of the rotating arm is provided with a strip-shaped cavity, a rectangular hole is arranged on the upper end face of the cavity and communicates with the upper end face of the rotating arm, the tensioning oil cylinder is installed at the middle part of the rotating arm, the moving end of the tensioning oil cylinder extends into the strip-shaped cavity of the front part of the rotating arm and is connected with the transverse sliding block, the front pulling stem roller is installed on the upper end face of the transverse sliding block through a bearing, a group of limiting slide rails are arranged on the left and right side faces of the strip-shaped cavity respectively, and sliding limiting grooves are arranged on the left and right side faces of the transverse sliding block at positions corresponding to the limiting slide rails; the position of the transverse sliding block in the front part of the rotating arm is changed by controlling the extension amount of the tensioning oil cylinder, so that the front pulling stem roller is driven to be finely adjusted in the front and back positions, the adjusting process of the rotating device and the transverse device is adapted, the stripping chain itself is kept in a tensioned state after the adjusting process, the front and back movement process of the transverse sliding block is limited through the limiting slide rails, the vibration amplitude of the transverse sliding block in the movement process is reduced, and the stability of the device is improved.

[0011] Preferably, the main protection box, the rotating protection box and the connecting rod are further arranged, the main arm plate is covered with the main protection box, the front part of the main protection box is connected with the rotating protection box through a bearing, and the rotating protection box is connected with the lower end face front part and the upper end face rear part of the rotating arm through the connecting rod; the upper side, the lower side and the outer side of the part, on which the main arm plate and the rotating arm are located, are covered through the main protection box and the rotating protection box, damage of the external environment to the internal structure of the equipment in the operation process is reduced, and the practicability of the device is improved.

[0012] Compared with the prior art, the device has the advantages that: the device is self-adjusted through the transverse device, so that the device can adapt to corn stalks with different diameters, the situation that double stalks enter the cutting area at the same time in the collecting process is reduced, the opening and closing angle of the input tip of the device is adjusted through the rotating device, so that the device can adapt to fields with different sowing width intervals, the practicability of the device is improved, the corn stalks are gathered and then enter the subsequent cutting area through the driving device, the driving device is kept in a tensioned state during the adjusting process of the transverse device and the rotating device through the tensioning device, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axonometric structure schematic diagram of the utility model;

[0014] Figure 2 is the first cross section structure schematic diagram of the utility model;

[0015] Figure 3 is the second cross section structure schematic diagram of the utility model;

[0016] Figure 4 is the third cross section structure schematic diagram of the utility model;

[0017] Markings in the attached figure: 1. Main arm plate; 2. Transverse limit rod; 3. Limit extension block; 4. Transverse adjustment plate; 5. Transverse cylinder; 6. Rotating arm; 7. Bearing; 8. Support frame; 9. First bearing seat; 10. Rotating cylinder; 11. Second bearing seat; 12. Front stalk roller; 13. Rear stalk roller; 14. Middle stalk roller; 15. Reducer; 16. Electric motor; 17. Peeling chain; 18. Tensioning cylinder; 19. Transverse slider; 20. Limit slide rail; 21. Main body protection box; 22. Rotating protection box; 23. Connecting rod. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0019] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, a fully hydraulic corn harvester header includes a traverse device, a rotation device, a drive device and a tensioning device. The rotation device is installed on the traverse device, the drive device is installed on the traverse device, and the tensioning device is installed on the rotation device.

[0020] The transverse movement device drives the equipment to self-adjust, so that the equipment can adapt to corn stalks of different diameters, reducing the situation where two stalks enter the cutting area at the same time during the collection process. The rotating device drives the equipment to adjust the opening and closing angle of the input tip to adapt to fields with different sowing width intervals, thereby improving the practicality of the device. The driving device drives the corn stalks to gather and enter the subsequent cutting area, and the tensioning device keeps the driving device in a tensioned state during the adjustment process of following the transverse movement device and the rotation device, thereby improving the practicality of the device.

[0021] The transverse movement device includes a main arm plate 1, a transverse movement limit rod 2, a limit extension block 3, a transverse movement adjustment plate 4 and a transverse movement cylinder 5. A plurality of transverse movement limit rods 2 are evenly arranged on the inner side of the upper end surface of the main arm plate 1. The transverse movement adjustment plate 4 is located on the upper side of the main arm plate 1. A plurality of limit extension blocks 3 are arranged on the outer side surface of the transverse movement adjustment plate 4 at positions corresponding to the plurality of transverse movement limit rods 2. A circular through hole is provided on the outer side surface of the limit extension block 3 and is connected to the transverse movement limit rod 2 at the corresponding position. A group of transverse movement cylinders 5 are respectively arranged on the front and rear outer sides of the upper end surface of the main arm plate 1. The moving end of the transverse movement cylinder 5 is connected to the outer side surface of the transverse movement adjustment plate 4.

[0022] The rotating device comprises a rotating arm 6, a bearing 7, a support frame 8, a first bearing seat 9, a rotating oil cylinder 10 and a second bearing seat 11, the front part of the main arm plate 1 is connected with the rotating arm 6 through the bearing 7, the outer front part of the main arm plate 1 is provided with the support frame 8, the front part of the support frame 8 is connected with the fixed end of the rotating oil cylinder 10 through the first bearing seat 9, and the moving end of the rotating oil cylinder 10 is connected with the middle part of the rotating arm 6 through the second bearing seat 11.

[0023] The driving device comprises a front pulling stem roller 12, a rear pulling stem roller 13, a middle pulling stem roller 14, a speed reducer 15, a motor 16 and a stripping chain 17, the upper end face front part of the rotating arm 6 is provided with the front pulling stem roller 12, the upper end face rear part of the transverse adjustment plate 4 is provided with the rear pulling stem roller 13, the upper end face front part of the transverse adjustment plate 4 is provided with the middle pulling stem roller 14, the lower end face rear part of the transverse adjustment plate 4 is provided with the speed reducer 15, the output end of the speed reducer 15 is connected with the rear pulling stem roller 13, the motor 16 is installed on the speed reducer 15, and the stripping chain 17 is sleeved on the rear pulling stem roller 13, the middle pulling stem roller 14 and the front pulling stem roller 12.

[0024] The tensioning device comprises a tensioning oil cylinder 18, a transverse sliding block 19 and a limiting sliding rail 20, the front part of the rotating arm 6 is provided with a strip-shaped cavity, a rectangular hole is arranged on the upper end face of the cavity and communicates with the upper end face of the rotating arm 6, the middle part of the rotating arm 6 is provided with the tensioning oil cylinder 18, the moving end of the tensioning oil cylinder 18 extends into the strip-shaped cavity in the front part of the rotating arm 6 and is connected with the transverse sliding block 19, the front pulling stem roller 12 is installed on the upper end face of the transverse sliding block 19 through a bearing, a group of limiting sliding rails 20 are arranged on the left and right side faces of the strip-shaped cavity respectively, and sliding limiting grooves are arranged on the left and right side faces of the transverse sliding block 19 corresponding to the positions of the limiting sliding rails 20.

[0025] The embodiment also comprises a main body protection box 21, a rotating protection box 22 and a connecting rod 23, the main arm plate 1 is covered with the main body protection box 21, the front part of the main body protection box 21 is connected with the rotating protection box 22 through a bearing, and the rotating protection box 22 is connected with the lower end face front part and the upper end face rear part of the rotating arm 6 through the connecting rod 23.

[0026] As Figures 1 to 4As shown, the full hydraulic corn harvester header of the utility model, in working, first control the extension of the horizontal moving oil cylinder 5 to adjust the position of the horizontal moving adjusting plate 4 on the main arm plate 1, then adjust the effective action distance of the relative two groups of equipment to the straw, then drive the rotating arm 6 to rotate around the front part of the main arm plate 1 by controlling the extension of the rotating oil cylinder 10, then change the action angle to the corn straw intake area, then control the extension of the tensioning oil cylinder 18 to change the position of the horizontal moving slider 19 in the front part of the rotating arm 6, so as to drive the front pulling straw roller 12 to fine tune the front and back positions, to adapt to the adjustment process of the rotating device and the horizontal moving device, make the stripping chain 17 keep the tensioning state after the adjustment process, then open the motor 16 to transmit the power to the rear pulling straw roller 13 through the speed reducer 15 to drive the rear pulling straw roller 13 to rotate, so as to drive the stripping chain 17 to rotate with the cooperation of the middle pulling straw roller 14 and the front pulling straw roller 12, the corn straw is gathered to the middle part through the stripping chain 17 between the front pulling straw roller 12 and the middle pulling straw roller 14, and the straw is pushed back through the stripping chain 17 between the rear pulling straw roller 13 and the middle pulling straw roller 14.

[0027] The horizontal moving oil cylinder 5, the speed reducer 15, the motor 16, the rotating oil cylinder 10 and the tensioning oil cylinder 18 of the full hydraulic corn harvester header of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the use instruction book attached thereto, without the technical personnel in the field paying creative labor.

[0028] The above only is the preferred implementation mode of the utility model, and it should be pointed out that, for the ordinary technical personnel in the technical field, on the premise of not departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A fully hydraulic corn harvester header, characterized in that: It includes a transverse moving device, a rotating device, a driving device and a tensioning device, wherein the rotating device is installed on the transverse moving device, the driving device is installed on the transverse moving device, and the tensioning device is installed on the transverse moving device; The transverse movement device comprises a main arm plate (1), a transverse movement limit rod (2), a limit extension block (3), a transverse movement adjustment plate (4) and a transverse movement oil cylinder (5). A plurality of transverse movement limit rods (2) are evenly arranged on the inner side of the upper end surface of the main arm plate (1). The transverse movement adjustment plate (4) is located on the upper side of the main arm plate (1). A plurality of limit extension blocks (3) are arranged on the outer side surface of the transverse movement adjustment plate (4) at positions corresponding to the plurality of transverse movement limit rods (2). A circular through hole is provided on the outer side surface of the limit extension block (3) for connecting with the transverse movement limit rods (2) at corresponding positions. A group of transverse movement oil cylinders (5) are respectively arranged on the front and rear sides of the outer side of the upper end surface of the main arm plate (1). The movable end of the transverse movement oil cylinder (5) is connected to the outer side surface of the transverse movement adjustment plate (4).

2. A fully hydraulic corn harvester header as claimed in claim 1, characterized in that: The rotating device comprises a rotating arm (6), a bearing (7), a support frame (8), a first bearing seat (9), a rotating oil cylinder (10) and a second bearing seat (11); the front portion of the main arm plate (1) is connected to the rotating arm (6) through the bearing (7); a support frame (8) is provided at the front portion of the outer side of the main arm plate (1); the front portion of the support frame (8) is connected to the fixed end of the rotating oil cylinder (10) through the first bearing seat (9); and the movable end of the rotating oil cylinder (10) is connected to the middle portion of the rotating arm (6) through the second bearing seat (11).

3. A fully hydraulic corn harvester header as claimed in claim 2, characterized in that: The driving device comprises a front stem pulling roller (12), a rear stem pulling roller (13), a middle stem pulling roller (14), a speed reducer (15), an electric motor (16) and a straw stripping chain (17); the front end face of the rotating arm (6) is provided with the front stem pulling roller (12); the rear end face of the upper end face of the transverse adjustment plate (4) is provided with the rear stem pulling roller (13); the front end face of the upper end face of the transverse adjustment plate (4) is provided with the middle stem pulling roller (14); the rear end face of the lower end face of the transverse adjustment plate (4) is provided with a speed reducer (15); the output end of the speed reducer (15) is connected to the rear stem pulling roller (13); the speed reducer (15) is provided with the electric motor (16); and the straw stripping chain (17) is sleeved on the rear stem pulling roller (13), the middle stem pulling roller (14) and the front stem pulling roller (12).

4. A fully hydraulic corn harvester header as claimed in claim 3, characterized in that: The tensioning device includes a tensioning cylinder (18), a transverse sliding block (19) and a limit slide rail (20). A strip chamber is provided at the front of the rotating arm (6). A rectangular hole is provided on the upper end surface of the strip chamber and is connected to the upper end surface of the rotating arm (6). A tensioning cylinder (18) is installed in the middle of the rotating arm (6). The movable end of the tensioning cylinder (18) extends to the strip chamber at the front of the rotating arm (6) and is connected to the transverse sliding block (19). The front pulling stem roller (12) is installed on the upper end surface of the transverse sliding block (19) through a bearing. A group of limit slide rails (20) are respectively provided on the left and right side surfaces of the strip chamber. Sliding limit grooves are provided on the left and right side surfaces of the transverse sliding block (19) at the positions corresponding to the limit slide rails (20).

5. The fully hydraulic corn harvester header according to claim 4, characterized in that: The main arm plate (1) is covered with the main body protection box (21), the front portion of the main body protection box (21) is connected to the rotation protection box (22) via a bearing, and the rotation protection box (22) is connected to the front portion of the lower end face and the rear portion of the upper end face of the rotating arm (6) via the connection rod (23).

Citation Information

Patent Citations

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