Harvester header device with adjusting function
By introducing stalk pulling components and nylon components into the harvester header device, and combining them with the adaptive adjustment of the control system, the problem of poor adaptability of existing devices has been solved, and precise control and efficient operation in the harvesting of multiple varieties of corn have been achieved.
Patent Information
- Application Number
- CN202511843953.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-01-23
AI Technical Summary
The existing corn harvester header device has poor adaptability to different corn varieties, and the adjustment relies on manual experience, which leads to blockage, broken stems, and increased ear loss. Moreover, it cannot achieve independent and precise control of key parameters.
A harvester header device including a stalk pulling assembly, a nylon assembly, and a control system was designed. The stalk pulling roller spacing and the speed of the stalk pulling belt are independently controlled by a first drive motor, a telescopic cylinder, and a third drive motor. Combined with a stalk and ear data acquisition camera, the control system performs adaptive adjustment.
It has achieved full parameter adaptive adjustment of the header device under various corn varieties, which has improved harvesting efficiency, reduced blockage and ear loss, and enhanced the automation and intelligence of the operation.
Smart Images

Figure CN121369074A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of corn harvesting device, in particular to a harvesting machine header device with adjusting function. BACKGROUND
[0002] In the existing corn combine harvester operation, the header stripping device generally has poor adaptability, and the adjustment depends on manual experience. Due to the significant differences in the physical properties of different corn varieties, such as stem diameter, ear shape, and moisture content, it is difficult to simultaneously match the optimal harvesting conditions of the variable crops with the fixed or limited adjustable stripping plate spacing, the speed of the stalk roller, and the speed of the sweeping belt. This leads to phenomena such as blockage, broken stems, and increased ear loss during operation, which not only reduces the harvesting efficiency, but also increases the load of the subsequent cleaning system. In addition, although the existing device can achieve synchronous adjustment of some parameters, it cannot independently and accurately control the key parameters such as the spacing between the stalk rollers, the speed of the sweeping belt, and the speed of the stalk roller. SUMMARY
[0003] The purpose of the present application is to provide a harvesting machine header device with adjusting function, which aims to solve or improve at least one of the above technical problems.
[0004] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides a harvesting machine header device with adjusting function, which comprises a single main frame, a pair of stalk pulling assemblies arranged on the single main frame, a pair of nylon assemblies arranged on the single main frame, and a control system. The stalk pulling assembly comprises a fixed frame arranged on the single main frame and movable transversely, a stalk roller mounted on the fixed frame, a first driving motor for driving the stalk roller to rotate, and a telescopic cylinder for driving the fixed frame to move transversely. The nylon assembly comprises a driving nylon wheel and a driven nylon wheel rotatably connected to the single main frame, a sweeping belt mounted between the driving nylon wheel and the driven nylon wheel, and a third driving motor for driving the driving nylon wheel to rotate. The control system is used to match the current crop characteristic data collected with the operation parameter database, and to control each electric appliance execution element to adaptively adjust according to the matching result.
[0005] Optionally, the side wall of the single main frame is further provided with a matching linear sliding bearing and a bearing sleeve, and the fixed frame is connected with the linear sliding bearing through a pin shaft.
[0006] Optionally, the output shaft of the first driving motor is connected with the stalk roller through a first flange plate.
[0007] Optionally, the output shaft of the third driving motor is connected with the main driving nylon wheel through a second flange plate.
[0008] Optionally, a first fixing plate for mounting the first driving motor is arranged on the fixing frame.
[0009] Optionally, a single rear fixing plate is arranged at the tail end of the single main frame, and a second fixing plate for mounting the third driving motor is arranged on the single rear fixing plate.
[0010] Optionally, a third fixing plate for mounting the telescopic cylinder is arranged on the single main frame.
[0011] Optionally, a pair of ear picking plates and a hydraulic driving member for driving the ear picking plates to move are further arranged on the single main frame.
[0012] Optionally, the control system comprises: a stalk data acquisition camera arranged at the front end of the single main frame and used for acquiring corn stalk diameter data; a ear data acquisition camera arranged at the rear end of the single main frame and used for acquiring corn ear shape size data; a controller arranged on the single main frame and used for matching current crop feature data acquired by the stalk data acquisition camera and the ear data acquisition camera with an operation parameter database, and respectively controlling each electric appliance executing element to perform adaptive adjustment according to a matching result.
[0013] Optionally, a mounting plate is arranged at the rear end of the single main frame, and the ear data acquisition camera, the controller and a display screen are mounted on the mounting plate, and the display screen is connected with the controller.
[0014] The present application discloses the following technical effects: the first driving motor, the telescopic cylinder and the third driving motor are used to realize independent control of the stalk roller spacing adjustment and the stalk roller rotation speed and the stalk roller rotation speed, break the limitation that the traditional mechanism can only be synchronously adjusted or partially hydraulically adjusted, the device has memory and recognition ability through the control system, the stalk roller spacing, the stalk roller rotation speed and the main driving nylon wheel rotation speed can be independently adjusted, and the intelligent decision mechanism is introduced, so that the full-parameter adaptive adjustment of the cutting table single body under the conditions of multiple varieties and multiple variable crops is realized. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are provided to explain the present application and should not be considered limiting of the present application. In the drawings: Fig. 1 is a schematic diagram of a three-dimensional structure of the present application; Fig. 2 is a side view of the present application; Fig. 3 is a top view of the present application; Fig. 4 is a top view of the stem pulling assembly of the present application.
[0016] In the figure: 1, stem data acquisition camera; 2, single body rear fixing plate; 3, second fixing plate; 4, third driving motor; 5, first fixing plate; 6, first driving motor; 7, second flange plate; 8, first flange plate; 9, fixing frame; 10, stem pulling roller; 11, single body main frame; 12, mounting plate; 13, cluster data acquisition camera; 14, pin shaft; 15, linear sliding bearing; 16, bearing sleeve; 17, driven nylon wheel; 18, sweeping belt; 19, driving nylon wheel; 20, controller; 21, display screen; 22, cluster picking plate; 23, third fixing plate; 24, telescopic cylinder. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 work fall within the protection scope of the present application.
[0018] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.
[0019] With reference to Figs. 1 to 4 , the present application provides a harvesting machine header device with adjusting function, comprising a single body main frame 11, a pair of stem pulling assemblies arranged on the single body main frame 11, a pair of nylon assemblies arranged on the single body main frame 11 and a control system; The stem pulling assembly comprises a fixing frame 9 arranged on the single body main frame 11 and capable of moving transversely, a stem pulling roller 10 mounted on the fixing frame 9, a first driving motor 6 for driving the stem pulling roller 10 to rotate and a telescopic cylinder 24 for driving the fixing frame 9 to move transversely; The nylon assembly comprises a driving nylon wheel 19 and a driven nylon wheel 17 rotatably connected to the single body main frame 11, a sweeping belt 18 mounted between the driving nylon wheel 19 and the driven nylon wheel 17 and a third driving motor 4 for driving the driving nylon wheel 19 to rotate; The control system is used for matching the collected current crop characteristic data with an operation parameter database, and respectively controlling each electric appliance execution element to perform self-adaptive adjustment according to the matching result.
[0020] The present application realizes independent control of the spacing adjustment of the straw pulling roller 10 and the rotation speed of the straw pulling roller 10 through the first driving motor 6, the telescopic cylinder 24 and the third driving motor 4, breaks the limitation of traditional mechanisms that can only be synchronously adjusted or partially hydraulically adjusted, and makes the device have memory and recognition capabilities through the setting of the control system.
[0021] In an embodiment of the present application, a linear sliding bearing 15 and a bearing sleeve 16 are further arranged on the side wall of the single main frame 11, and the fixing frame 9 is connected with the linear sliding bearing 15 through a pin shaft 14.
[0022] Through the cooperation of the linear sliding bearing 15 and the bearing sleeve 16, the stability and precision of the fixing frame 9 of the straw pulling roller 10 during transverse adjustment are ensured, and clamping and shaking are avoided, which is a key structure for realizing small and accurate spacing adjustment.
[0023] In an embodiment of the present application, the output shaft of the first driving motor 6 is connected with the straw pulling roller 10 through a first flange plate 8.
[0024] The first flange plate 8 is used to connect the first driving motor 6 and the straw pulling roller 10, which ensures the rigidity and coaxiality of power transmission, so that the rotation speed control response of the straw pulling roller 10 is more timely and the operation is more stable, and slipping or rotation speed fluctuation is avoided.
[0025] In an embodiment of the present application, the output shaft of the third driving motor 4 is connected with the driving nylon wheel 19 through a second flange plate 7.
[0026] The second flange plate 7 is used to connect the third driving motor 4 and the driving nylon wheel 19, which ensures the high efficiency and reliability of the driving of the straw pulling belt 18, and lays a solid mechanical foundation for realizing accurate independent control of the rotation speed of the straw pulling belt 18.
[0027] In an embodiment of the present application, a first fixing plate 5 for mounting the first driving motor 6 is arranged on the fixing frame 9.
[0028] The first fixing plate 5 is specially used for mounting the first driving motor 6, which enhances the structural rigidity and mounting stability of the first driving motor 6 under vibration conditions, prolongs the service life of the first driving motor 6, and ensures the reliability of rotation speed adjustment.
[0029] In an embodiment of the present application, a single rear fixing plate 2 is arranged at the tail end of the single main frame 11, and a second fixing plate 3 for mounting the third driving motor 4 is arranged on the single rear fixing plate 2.
[0030] Through the combined design of the single rear fixing plate 2 and the second fixing plate 3, a stable mounting base point is provided for the third driving motor 4, which ensures the persistent stability of the driving of the straw pulling belt 18.
[0031] In one embodiment of the present application, a third fixing plate 23 is arranged on the monomer main frame 11 for mounting the telescopic cylinder 24.
[0032] The telescopic cylinder 24 is mounted by the special third fixing plate 23, so that the thrust of the telescopic cylinder 24 is transmitted more directly and efficiently, the adjustment error caused by structural deformation is avoided, and the accuracy of the spacing adjustment is ensured.
[0033] In one embodiment of the present application, a pair of ear picking plates 22 are arranged on the monomer main frame 11, and a hydraulic drive member is arranged for driving the ear picking plates 22 to move.
[0034] The hydraulic drive member is introduced to control the movement of the ear picking plates 22, so that the stepless or large-range adjustment of the spacing of the ear picking plates 22 is realized, and in combination with other electric control parameters, a cooperative adjustment system covering the whole process of guiding, supporting, pulling and picking is formed. The hydraulic drive member includes a hydraulic cylinder and a hydraulic oil circuit, and the hydraulic cylinder is connected with the controller 20.
[0035] In one embodiment of the present application, the control system comprises: A stalk data acquisition camera 1 is arranged at the front end of the monomer main frame 11 for collecting corn stalk diameter data; An ear data acquisition camera 13 is arranged at the rear end of the monomer main frame 11 for collecting corn ear shape size data; A controller 20 is arranged on the monomer main frame 11 for matching the current crop feature data collected by the stalk data acquisition camera 1 and the ear data acquisition camera 13 with an operation parameter database, and respectively controlling each electric appliance execution element to perform adaptive adjustment according to the matching result.
[0036] The control system constructs an intelligent control system integrating sensing, decision-making and execution. The stalk data acquisition camera 1 and the ear data acquisition camera 13 sense the crop features in real time, the controller 20 performs data matching and decision-making, and the working parameters of the header are automatically adapted from manual presetting, which is the intelligent core of the present application.
[0037] In one embodiment of the present application, a mounting plate 12 is arranged at the rear end of the monomer main frame 11, and the ear data acquisition camera 13, the controller 20 and a display screen 21 are mounted on the mounting plate 12, and the display screen is connected with the controller.
[0038] The controller 20, the display screen 21 and the ear data acquisition camera 13 are integrated on the rear-end mounting plate 12 to form a man-machine interaction and rear-end monitoring center, which is convenient for the driver to operate and observe the system state, optimizes the layout of the wire harness, and improves the integration and reliability of the whole machine.
[0039] Further, the controller 20 is also provided with parameter recording and playback function, and can record the optimal parameter combination in the historical operation, and automatically play back the application under similar operation conditions. The real-time collected data is recorded into the controller 20, and is matched with the adjusted parameter combination on the display screen 21, to form an operation database.
[0040] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0041] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.
Claims
1. A harvesting header apparatus having a conditioning function, characterized by, The utility model relates to a corn picker, including single main frame (11), set up in a pair of pull stem subassembly of single main frame (11), set up in a pair of nylon subassembly of single main frame (11) and control system, The pull stem subassembly includes the fixed frame (9) of laterally movable setting up in single main frame (11), the pull stem roller (10) installed on fixed frame (9), the first drive motor (6) for driving pull stem roller (10) rotation and the telescopic cylinder (24) for driving fixed frame (9) lateral movement, The nylon subassembly includes the driving nylon wheel (19) and driven nylon wheel (17) of rotation connection in single main frame (11), the whip (18) installed between driving nylon wheel (19) and driven nylon wheel (17) and the third drive motor (4) for driving driving nylon wheel (19) rotation, The control system is used for matching the current crop characteristic data gathered with operation parameter database, and respectively controls each electric appliance execution element to carry out adaptive adjustment according to matching result.
2. The harvester header apparatus having a conditioning function according to claim 1, wherein, The side wall of single main frame (11) is also provided with matched linear sliding bearing (15) and bearing sleeve (16), and the fixed frame (9) is connected with the linear sliding bearing (15) through a pin shaft (14).
3. The harvester header apparatus having a conditioning function according to claim 1, wherein, The output shaft of the first drive motor (6) is connected with the pull stem roller (10) through the first flange plate (8).
4. The harvester header apparatus having a conditioning function according to claim 1, wherein, The output shaft of the third drive motor (4) is connected with the driving nylon wheel (19) through the second flange plate (7).
5. The harvester header apparatus having a conditioning function according to claim 1, wherein, The fixed frame (9) is provided with a first fixing plate (5) for mounting the first drive motor (6).
6. The harvester header apparatus having a conditioning function according to claim 1, wherein, The tail end of the single main frame (11) is provided with a single rear fixing plate (2), and the single rear fixing plate (2) is provided with a second fixing plate (3) for mounting the third drive motor (4).
7. The harvester header apparatus having a conditioning function according to claim 1, wherein, The single main frame (11) is provided with a third fixing plate (23) for mounting the telescopic cylinder (24).
8. The harvester header apparatus having a conditioning function according to claim 1, wherein, The single main frame (11) is also provided with a pair of ear picking plates (22) and a hydraulic drive for separately driving the ear picking plates (22) to move.
9. The harvester header apparatus having a conditioning function according to claim 1, wherein, The control system comprises: A stalk data acquisition camera (1) is arranged at the front end of the single main frame (11) to collect corn stalk diameter data. An ear data acquisition camera (13) is arranged at the rear end of the single main frame (11) to collect corn ear shape size data. A controller (20) is arranged on the single main frame (11) to match the current crop characteristic data collected by the stalk data acquisition camera (1) and the ear data acquisition camera (13) with an operation parameter database, and to control each electric appliance execution element to carry out adaptive adjustment according to the matching result.
10. The harvester header apparatus having a conditioning function according to claim 9, wherein, The rear end of the single main frame (11) is provided with a mounting plate (12), and the mounting plate (12) is provided with the ear data acquisition camera (13), the controller (20) and a display screen (21), and the display screen is connected with the controller.