Harvester capable of automatically following ground to adjust header
By installing tilt sensors and drive cylinders on the harvester, combined with a tapered plate support structure, the tilt angle of the header is automatically adjusted, solving the problem that the header cannot be level on uneven ground, thus achieving consistency in crop stubble height and ease of operation.
Patent Information
- Application Number
- CN202422646664.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
When harvesters operate on uneven ground, the header cannot remain level, resulting in inconsistent crop stubble heights and potentially damaging the header.
Design a harvester that automatically adjusts the header to follow the ground. Using tilt sensors and drive cylinders, the header tilts by sensing the ground tilt. Combined with a tapered plate support structure, this ensures the header is level and maintains a consistent crop stubble height.
It enables automatic adjustment of the header when harvesting on uneven terrain, ensuring consistent crop stubble height and reducing operational complexity and the risk of header damage.
Smart Images

Figure CN223437424U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of agricultural machinery, concretely relates to a harvester with automatic ground-following adjustment of header. BACKGROUND
[0002] When the harvester is in the harvesting operation process, the work plot can be uneven or biased, which can make the whole vehicle be in a skew state, and the header can also be unable to harvest the crops on both sides to the same height due to the uneven plot, resulting in that the crops can be harvested at one end of the header and cannot be harvested at the other end, and even the longer header model can be damaged.
[0003] The previous solution is that the harvester re-adjusts the position to harvest crops, but the driver needs to back and forth, which is very cumbersome.
[0004] In view of the above problems, the utility model designs and manufactures a harvester with automatic ground-following adjustment of header to overcome the above defects. UTILITY MODEL CONTENTS
[0005] For the problems existing in the prior art, the harvester with automatic ground-following adjustment of header can realize the inclination adjustment of the header by the header that can swing and the horizontal value sensed by the header when harvesting uneven plots, so as to ensure the consistency of the crop stubble height.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a harvester with automatic ground-following adjustment of header, comprising a head, a rotating shaft is arranged above the center position of the front end face of the head, and a header is rotatably connected to the rotating shaft;
[0007] The front end of the head is provided with a taper plate, the rear upper end of the header is provided with a rearward extending plate, and when the header is installed on the head through the rotating shaft, the plate can be arranged at the highest point of the taper plate;
[0008] A drive cylinder is connected between one end of the header and the head, and the drive cylinder can drive the header to rotate around the rotating shaft;
[0009] An inclination sensor is fixed on the head corresponding to the other end of the header, the inclination sensor is connected to the header through a connecting rod assembly, the connecting rod assembly comprises a first connecting rod, the first connecting rod is connected to the output shaft of the inclination sensor, a second connecting rod is hingedly connected to the other end of the first connecting rod, and the other end of the second connecting rod is fixed on the header, and the rotation of the header around the rotating shaft can be fed back to the inclination sensor through the connecting rod assembly.
[0010] Preferably, a wear-resistant pad is arranged between the rear end face of the header and the front end face of the head.
[0011] Preferably, the driving cylinder can drive the header to tilt 0°-30° relative to the machine body.
[0012] Preferably, the length of the second connecting rod is adjustable.
[0013] Preferably, the driving cylinder is arranged at the bottom of the taper plate, and the taper plate is provided with an opening, and the driving cylinder is hinged to the header through the opening.
[0014] Preferably, the tilt angle sensor is arranged at the bottom of the taper plate.
[0015] Preferably, the machine body is further provided, the header is connected to the front end of the machine body, and the header can swing up and down relative to the machine body.
[0016] An angle sensor is connected between the rear end of the machine body and the header, and the angle sensor can detect the swing angle of the header relative to the machine body.
[0017] Preferably, the bottom of the machine body and the bottom of the header are connected through a telescopic cylinder, and the telescopic cylinder can drive the header to swing up and down relative to the machine body.
[0018] The utility model has the advantages of:
[0019] 1. The utility model utilizes the tilt angle sensor on the header to judge the tilt angle when the machine body walks on uneven ground, so that the header is driven to rotate around the rotation shaft through the driving cylinder, so that the header can be horizontal relative to crops, and the height of the crop stubble during harvesting is consistent.
[0020] 2. The utility model utilizes the rotation shaft at the front end of the header to support the header, and further utilizes the taper plate top end to support the header, which not only ensures sufficient support strength of the header, but also avoids interference when the header swings by utilizing the taper surfaces on both sides of the taper plate.
[0021] 3. The utility model sets the driving cylinder and the tilt angle sensor at both ends of the header respectively, which is reasonable in layout and avoids interference during installation and use. DRAWINGS
[0022] Figure 1 It is a front side view structure diagram of an automatic following ground adjusting header;
[0023] Figure 2 It is a rear side view structure diagram of an automatic following ground adjusting header;
[0024] Figure 3 It is an enlarged schematic view of the position A of the utility model;
[0025] Figure 4 It is an enlarged schematic view of the position B of the utility model;
[0026] Figure 5 It is the schematic view of front side angle of the machine head and the cutting platform of the utility model;
[0027] Figure 6 It is the schematic view of rear side angle of the machine head and the cutting platform of the utility model;
[0028] Figure 7 It is the enlarged schematic view of C of the utility model.
[0029] In the drawing: 1 - fuselage, 2 - machine head, 3 - cutting platform, 11 - telescopic cylinder, 12 - angle sensor, 21 - pivot, 22 - drive cylinder, 23 - taper plate, 24 - inclination sensor, 25 - first connecting rod, 26 - second connecting rod, 31 - carrying plate. DETAILED DESCRIPTION
[0030] In order to facilitate the person skilled in the art to understand, the utility model is further explained below in combination with the drawings.
[0031] As Figures 1 to 7 Indicated, a kind of harvesting machine of automatically following ground adjustment cutting platform, including machine head 2, the upper side of the center position of machine head 2 front end face is equipped with pivot 21, pivot 21 is rotatably connected with cutting platform 3, and cutting platform 3 front end is equipped with cutter, feeding auger etc.;
[0032] The upper side of machine head 2 front end is equipped as taper plate 23, and cutting platform 3 rear upper end is equipped with the carrying plate 31 extending rearward, when cutting platform 3 is installed on machine head 2 by pivot 21, carrying plate 31 can be equipped at the highest point of taper plate 23, the utility model uses pivot 21 of machine head 2 front end to support cutting platform 3, then cutting platform 3 is supported by the top end of taper plate 23, not only guarantee the sufficient support strength of cutting platform 3, while just by the taper surface of taper plate 23 two sides avoids interference when cutting platform 3 swings.
[0033] The utility model is connected with drive cylinder 22 between cutting platform 3 one end and machine head 2, and drive cylinder 22 telescopic can drive cutting platform 3 to rotate around pivot 21, specifically, drive cylinder 22 can drive cutting platform 3 to be inclined 0 °-30 ° relative to machine head 2. Corresponding machine head 2 on cutting platform 3 other end is fixed with inclination sensor 24, and inclination sensor 24 is connected with cutting platform 3 by connecting rod assembly, and connecting rod assembly includes first connecting rod 25, and first connecting rod 25 is connected with the output shaft of inclination sensor 24, and first connecting rod 25 other end is hinged with second connecting rod 26, and the length of second connecting rod 26 is adjustable, and second connecting rod 26 other end is fixed on cutting platform 3, and cutting platform 3 rotates around pivot 21 can be fed back to inclination sensor 24 by connecting rod assembly.
[0034] The inclination sensor 24 on the machine head 2 is used to determine the inclination angle when the machine body 1 is running on uneven ground, so that the cutting platform 3 is rotated around the rotating shaft 21 by driving the cylinder 22 to extend or retract, so that the cutting platform 3 can be horizontal to the crops, and the cutting height of the crops during harvesting is consistent.
[0035] The rear end face of the cutting platform 3 and the front end face of the machine head 2 are preferably provided with wear-resistant pads to prevent wear.
[0036] The driving cylinder 22 is arranged at the bottom of the taper plate 23, the taper plate 23 is provided with an opening, and the driving cylinder 22 is hinged to the cutting platform 3 through the opening. Similarly, the inclination sensor 24 is also arranged at the bottom of the taper plate 23, so as to protect the driving cylinder 22 and the inclination sensor 24.
[0037] The utility model also includes machine body 1, machine head 2 is connected in machine body 1 front end, machine head 2 can swing up and down relative to machine body 1, and the rear end of machine body 1 is connected with angle sensor 12 between machine head 2, and angle sensor 12 can detect the swing angle of machine head 2 relative to machine body 1. The bottom of machine body 1 and the bottom of machine head 2 are connected by telescopic cylinder 11, and the telescopic cylinder 11 can drive the machine head 2 to swing up and down relative to the machine body 1. The design of the above structure is due to the need to adjust the machine head 2 according to the harvesting height during harvesting different crops. The traditional way is that the driver manually adjusts the height of the cutting platform 3 by visual observation or harvesting experience. After the angle sensor 12 is set, the corresponding cutting platform 3 height adjustment can be directly set by the console with the cooperation of the angle sensor 12, which greatly reduces the operation steps and difficulty of the driver.
[0038] It should be understood that the use of these embodiments is only for the purpose of illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various modifications, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.
Claims
1. A harvester that automatically adjusts its header according to the ground, characterized in that: It includes a machine head, wherein a rotating shaft is provided above the center of the front end surface of the machine head, and a cutting platform is rotatably connected to the rotating shaft; A tapered plate is provided above the front end of the machine head, and a carrying plate extending backward is provided at the rear upper end of the cutting platform. When the cutting platform is mounted on the machine head through a rotating shaft, the carrying plate can be placed at the highest point of the tapered plate. A drive cylinder is connected between one end of the cutting platform and the machine head, and the extension of the drive cylinder can drive the cutting platform to rotate around the rotating shaft; An inclination sensor is fixed on the nose corresponding to the other end of the cutting platform, and the inclination sensor is connected to the cutting platform through a connecting rod assembly. The connecting rod assembly includes a first connecting rod, which is connected to the output shaft of the inclination sensor. The other end of the first connecting rod is hinged with a second connecting rod, and the other end of the second connecting rod is fixed on the cutting platform. The rotation of the cutting platform around the rotating shaft can be fed back to the inclination sensor through the connecting rod assembly.
2. A harvester with a header that automatically adjusts to the ground according to claim 1, characterized in that: A wear-resistant pad is provided between the rear end surface of the cutting platform and the front end surface of the machine head.
3. The harvester with a header that automatically adjusts following the ground according to claim 1, characterized in that: The driving cylinder can drive the cutting platform to tilt 0°-30° relative to the machine head.
4. The harvester with a header that automatically adjusts to follow the ground according to claim 1, characterized in that: The length of the second connecting rod is adjustable.
5. The harvester with a header that automatically adjusts to follow the ground according to claim 1, characterized in that: The driving cylinder is arranged at the bottom of the tapered plate. An opening is provided on the tapered plate. The driving cylinder is hinged to the cutting platform after passing through the opening.
6. The harvester with a header that automatically adjusts following the ground according to claim 1, characterized in that: The inclination sensor is arranged at the bottom of the tapered plate.
7. The harvester with a header that automatically adjusts to follow the ground according to claim 1, characterized in that: The machine head is connected to the front end of the machine body, and the machine head can swing up and down relative to the machine body; An angle sensor is connected between the rear end of the fuselage and the nose, and the angle sensor can detect the swing angle of the nose relative to the fuselage.
8. The harvester with a header that automatically adjusts following the ground according to claim 7, characterized in that: The bottom of the fuselage and the bottom of the head are connected via a telescopic cylinder, and the telescopic cylinder can be extended and retracted to drive the head to swing up and down relative to the fuselage.