Height adjusting device of hybrid power sugarcane tip cutter
By adopting a hybrid adjustment device in the sugarcane cutter, combined with a hydraulic cylinder and a telescopic arm driven by the motor, the fast and precise adjustment of the height of the sugarcane cutter is achieved, and the problem of improper cutting position caused by slow movement speed in the prior art is solved, and the cutting effect and resource utilization rate are improved.
Patent Information
- Application Number
- CN202421451219.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The existing sugar cane cutting device swings up and down through the hydraulic cylinder drive connection arm to adjust the height. The action speed is slow and the height cannot be adjusted quickly, resulting in the sugar cane cutting position being too high or too low, affecting the cutting effect and resource utilization.
The hybrid adjustment device is adopted, combining the connecting arm to adjust the cutter plate height greatly and the bracket to adjust the cutter plate height slightly, and the telescopic arm driven by the hydraulic cylinder and the motor can achieve rapid height adjustment.
The cutting plate height is achieved quickly and accurately adjusted, avoiding the situation where the sugarcane cutting position is too high or too low, and improving the cutting effect and resource utilization rate.
Smart Images
Figure CN222840118U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sugarcane harvesting machinery, in particular to a hybrid power sugarcane cutter height adjustment device. Background Art
[0002] A sugarcane harvester is an agricultural machine specially used for harvesting sugarcane. It can improve the efficiency of sugarcane harvesting and reduce the labor intensity of farmers. The tip cutter is an important component of the sugarcane harvester, which is mainly responsible for cutting off the tip of the sugarcane. At present, the tip cutter is installed on the front side of the sugarcane harvester body through a connecting arm. The connecting arm can swing up and down, and a hydraulic cylinder is provided between the connecting arm and the body. The height of the tip cutter is adjusted by driving the connecting arm up and down by the hydraulic cylinder. The method of driving the connecting arm to swing up and down by the hydraulic cylinder has a slow movement speed and is difficult to meet the requirements of rapid height adjustment of the tip cutter. When the speed of the connecting arm swinging up and down is slow, many sugarcanes may be cut too high and fail to achieve the effect of cutting; or many sugarcanes may be cut too low, wasting resources, etc., which is not conducive to the automatic control of the tip cutter height. Utility Model Content
[0003] The utility model aims to provide a hybrid power sugarcane cutter height adjustment device, so as to overcome the disadvantages that the existing cutter can only adjust the height by swinging the connecting arm up and down, the action speed is slow, and the height cannot be adjusted quickly. When the action speed of the connecting arm swinging up and down is slow, many sugarcanes may be cut at too high a position, and the cutting effect cannot be achieved; or many sugarcanes may be cut at too low a position, which wastes resources.
[0004] To achieve the above-mentioned purpose, the utility model provides a hybrid power sugarcane cutter height adjustment device, comprising: a connecting arm, a rear end of which is hinged to a vehicle body support in a manner that allows it to swing up and down, and the connecting arm is driven to swing up and down by a first swinging mechanism; a bracket, a rear end of which is hinged to a front end of the connecting arm in a manner that allows it to swing up and down, and the bracket is driven to swing up and down by a second swinging mechanism; a gathering rod, a rear end of which is connected to the bracket, and the gathering rod is in a V shape with the wide mouth facing forward; and a knife disc, an upper end of which is rotatably mounted on the front end of the bracket, and the knife disc is driven to rotate by a rotating mechanism; the knife disc is located above and rearward of the gathering rod; the knife disc is provided with a plurality of evenly distributed blades along its circumferential direction.
[0005] Preferably, in the above technical solution, the first swing mechanism includes a hydraulic cylinder, the upper end of the hydraulic cylinder is hinged to the middle part of the connecting arm, and the lower end of the hydraulic cylinder is hinged to the vehicle body support.
[0006] Preferably, in the above technical solution, the second swing mechanism includes: a telescopic arm, a front end of which is hinged to the rear end of the bracket, the rear end of the telescopic arm is hinged to the vehicle body support, and the telescopic arm is located above the connecting arm; wherein the telescopic arm can be telescoped forward and backward to drive the bracket to swing up and down; and a telescopic mechanism, which is used to drive the telescopic arm to telescope.
[0007] Preferably, in the above technical solution, the telescopic arm includes a rear telescopic arm and a front telescopic arm, the rear end of the rear telescopic arm is hinged to the vehicle body support, and a telescopic cavity with a front end opening is provided in the rear telescopic arm; the front end of the front telescopic arm is hinged to the bracket, and the rear end of the front telescopic arm is provided with a telescopic portion movably mounted with the telescopic cavity; wherein the telescopic mechanism includes: a screw rod, which is rotatably mounted on the rear telescopic arm, and the length of the screw rod is distributed along the length direction of the telescopic arm; a motor, which is mounted on the rear telescopic arm and is used to drive the screw rod to rotate; and a nut, which is threadedly connected to the screw rod, and the nut is fixedly mounted on the front telescopic arm.
[0008] Preferably, in the above technical solution, an L-shaped groove is provided on the lower side of the rear end of the front telescopic arm, and a protrusion that matches the L-shaped groove is protruded forward on the lower side of the front end of the rear telescopic arm; the number of the screw rods is two, and the two screw rods are installed on the left and right sides of the rear telescopic arm; the motor is connected to the screw rods one by one; a slider is provided at the rear end of the front telescopic arm at a position corresponding to each screw rod, and each slider is provided with a nut threadedly connected to the corresponding screw rod; the protrusion is provided with a guide rail whose length is distributed along the length direction of the telescopic arm at the position corresponding to each slider, and the protrusion can slide back and forth along the corresponding guide rail.
[0009] Preferably, in the above technical solution, the rotating mechanism comprises a tip cutting motor, and the tip cutting motor is mounted on the bracket and connected to the rotating shaft of the cutter disc.
[0010] Preferably, the above technical solution further comprises a baffle, wherein one baffle is provided on the left and right sides of the rear end of the bracket respectively, and the two baffles are in a V shape with the opening facing backwards.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The adjusting device of the utility model adopts a combination of a connecting arm to adjust the height of the cutter disc by a large margin and a bracket to adjust the height of the cutter disc by a small margin, so that the height of the cutter disc can be adjusted efficiently. In the same sugarcane field, the height of the sugarcanes is similar, and when harvesting, it is often only necessary to adjust the height of the cutter disc by a small margin. When the bracket is used to adjust the height of the cutter disc by a small margin, the action speed is faster, and the height can be adjusted quickly, so as to avoid the situation where the cutting positions of multiple sugarcanes are too high or too low, thereby improving the cutting effect and saving resources.
[0013] 2. The second swing mechanism of the utility model adopts a telescopic arm structure, and the telescopic arm is extended and retracted by a motor. The motor-driven overload capacity is strong, the instantaneous starting performance is better, and the response time is shorter, which can further improve the height adjustment speed of the cutter disc, thereby further improving the cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a schematic structural diagram of a hybrid power sugarcane cutter height adjustment device.
[0015] Figure 2 It is a schematic diagram of the connection structure of the telescopic arm and the telescopic mechanism according to the utility model.
[0016] Description of main reference numerals:
[0017] 1-collecting rod, 2-cutting motor, 3-cutter disc, 4-blade, 5-bracket, 6-baffle, 7-first pin, 8-second pin, 9-third pin, 10-fourth pin, 11-front telescopic arm, 12-connecting arm, 13-hydraulic cylinder, 14-body support, 15-rear telescopic arm, 16-motor, 17-motor frame, 18-telescopic part, 19-slider, 20-nut, 21-screw, 22-guide rail. DETAILED DESCRIPTION
[0018] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.
[0019] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.
[0020] Figure 1 and Figure 2 A schematic structural diagram of a hybrid power sugarcane cutter height adjustment device according to a preferred embodiment of the utility model is shown. The adjustment device includes a connecting arm 12, a bracket 5, a collecting rod 1 and a cutter disc 3.
[0021] refer to Figure 1 and Figure 2 The rear end of the connecting arm 12 is hinged to the vehicle body support 14 through the fourth pin 10 in a manner that it can swing up and down, and the connecting arm 12 is driven by the first swing mechanism to swing up and down to adjust the height of the front end of the connecting arm 12. The rear end of the bracket 5 is hinged to the front end of the connecting arm 12 through the second pin 8 in a manner that it can swing up and down, and the bracket 5 is driven by the second swing mechanism to swing up and down to adjust the height of the front end of the bracket 5. The rear end of the collecting rod 1 is connected to the bracket 5, and the collecting rod 1 is in a V shape with the large mouth facing forward. In the process of the vehicle body moving forward, the sugarcane can be collected at the bracket 5 for easy cutting. The upper end of the knife disc 3 is rotatably mounted on the front end of the bracket 5, and the knife disc 3 is driven to rotate by the rotating mechanism. The knife disc 3 is located at the rear and upper part of the collecting rod 1 to facilitate cutting the collected sugarcane. The knife disc 3 is provided with a plurality of evenly distributed blades 4 along its circumferential direction for cutting the sugarcane. The adjustment device uses a combination of the connecting arm 12 to adjust the height of the cutter disc 3 in a large range, and the bracket 5 to adjust the height of the cutter disc 3 in a small range, which can efficiently adjust the height of the cutter disc 3. In the same sugarcane field, the height of the sugarcanes is similar, and when harvesting, it is often only necessary to adjust the height of the cutter disc 3 in a small range. When the bracket 5 is used to adjust the height of the cutter disc 3 in a small range, the action speed is fast, and the height can be adjusted quickly, avoiding the situation where the cutting position of multiple sugarcanes is too high or too low, improving the cutting effect, and saving resources.
[0022] refer to Figure 1 and Figure 2 The first swing mechanism can be a structure such as a telescopic rod or a hydraulic cylinder 13. Preferably, the first swing mechanism includes a hydraulic cylinder 13, the upper end of the hydraulic cylinder 13 is hinged to the middle of the connecting arm 12, and the lower end of the hydraulic cylinder 13 is hinged to the vehicle body support 14. By extending and retracting the telescopic cylinder, the connecting arm 12 can be driven to swing up and down to greatly adjust the height of the cutter head 3.
[0023] refer to Figure 1 and Figure 2 , the second swing mechanism can be a structure such as a motor, a telescopic rod or a hydraulic cylinder. Preferably, the second swing mechanism includes a telescopic arm and a telescopic mechanism, the front end of the telescopic arm is hinged to the rear end of the bracket 5 through the first pin 7, the rear end of the telescopic arm is hinged to the vehicle body support 14 through the third pin 9, and the telescopic arm is located above the connecting arm 12. The first pin 7 is located above the second pin 8, and the third pin 9 is located above the fourth pin 10. Among them, the telescopic arm can be telescoped forward and backward to drive the bracket 5 to swing up and down. The telescopic mechanism is used to drive the telescopic arm to telescope so as to adjust the height of the cutter head 3.
[0024] refer to Figure 1 and Figure 2, the telescopic mechanism can be a structure such as a hydraulic cylinder or a screw nut. Preferably, the telescopic arm includes a rear telescopic arm 15 and a front telescopic arm 11, the rear end of the rear telescopic arm 15 is hinged with the vehicle body support 14, and a telescopic cavity with a front end opening is provided in the rear telescopic arm 15. The front end of the front telescopic arm 11 is hinged with the bracket 5, and the rear end of the front telescopic arm 11 is provided with a telescopic portion 18 that is movably mounted with the telescopic cavity, and the diameter of the telescopic portion 18 is smaller than the diameter of the front telescopic arm 11. The length of the telescopic arm can be adjusted by sliding the telescopic portion 18 in the telescopic cavity. Among them, the telescopic mechanism includes a screw 21, a motor 16 and a nut 20. The screw 21 is mounted on the rear telescopic arm 15 in a rotatable manner, and the length of the screw 21 is distributed along the length direction of the telescopic arm. The motor 16 is mounted on the rear telescopic arm 15 through the motor frame 17, and is used to drive the screw 21 to rotate. The nut 20 is threadedly connected to the screw 21, and the nut 20 is fixedly mounted on the front telescopic arm 11. By driving the motor 16 forward and reverse, the nut 20 can be driven to move forward and backward along the screw rod 21, thereby driving the telescopic part 18 to slide forward and backward in the telescopic cavity, adjusting the length of the telescopic arm, and then driving the bracket 5 to swing up and down, quickly adjusting the height of the cutter disc 3.
[0025] refer to Figure 1 and Figure 2 Preferably, an L-shaped groove is provided at the lower side of the rear end of the front telescopic arm 11, and a protrusion that matches the L-shaped groove is provided at the lower side of the front end of the rear telescopic arm 15. There are two screw rods 21, which are installed on the left and right sides of the rear telescopic arm 15 to improve the stability of driving the front telescopic arm 11 to move forward and backward. The motor 16 is connected to the screw rods 21 one by one, and is used to synchronously drive the two screw rods 21 to rotate. A slider 19 is provided at the rear end of the front telescopic arm 11 at a position corresponding to each screw rod 21, and the slider 19 is fixed on the front telescopic arm 11. Each slider 19 is provided with a nut 20 threadedly connected to the corresponding screw rod 21. The protrusion is provided with a guide rail 22 whose length is distributed along the length direction of the telescopic arm at a position corresponding to each slider 19, and the protrusion can slide forward and backward along the corresponding guide rail 22. The motor 16 drives the screw rod 21 to rotate forward and reverse, driving the nut 20 to move forward and backward, thereby driving the slider 19 to slide forward and backward along the guide rail 22, driving the telescopic arm to extend and retract, and adjusting the height of the cutter head.
[0026] refer to Figure 1 and Figure 2 The rotating mechanism can be a motor or a motor. Preferably, the rotating mechanism includes a cutting motor 2, which is mounted on the bracket 5 and connected to the rotating shaft of the cutter disc 3, and is used to drive the cutter disc 3 to rotate and cut the sugarcane.
[0027] refer to Figure 1 and Figure 2The regulating device also includes a baffle 6. A baffle 6 is respectively provided on the left and right sides of the rear end of the bracket 5. The two baffles 6 are in a V-shape with the opening facing backwards to prevent the cut sugarcane leaves and sugarcane fragments from flying backwards toward the cab.
[0028] When in use, observe the height of the sugarcane in the sugarcane field, drive the hydraulic cylinder 13 to extend and retract, swing the connecting arm 12 up and down, and adjust the bracket 5 to a central height of the sugarcane tip; then drive the telescopic arm to extend and retract through the motor 16, swing the bracket 5 up and down, and adjust the cutter disc 3 to a suitable position. In the process of cutting the sugarcane tip, in most cases, it is only necessary to swing the bracket 5 up and down and adjust the position of the cutter disc 3 slightly. The action speed is fast, and the height can be adjusted quickly to avoid the situation where the cutting positions of multiple sugarcanes are too high or too low, improve the cutting effect, and save resources; at the height that the bracket 5 cannot adjust, the height of the cutter disc 3 is adjusted by swinging the connecting arm 12 up and down; the combination of the connecting arm 12 and the bracket 5 can organically combine the speed of adjustment, the large range of height adjustment, and the small range of height adjustment to adapt to various situations.
[0029] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.
Claims
1. A hybrid power sugarcane cutter height adjustment device, characterized in that: include: A connecting arm, the rear end of which is hinged to the vehicle body support in a manner capable of swinging up and down, and the connecting arm is driven by a first swing mechanism to swing up and down; A bracket, the rear end of which is hinged to the front end of the connecting arm in a manner capable of swinging up and down, and the bracket is driven to swing up and down by a second swing mechanism; A collecting rod, the rear end of which is connected to the bracket, and the collecting rod is in a V shape with the wide opening facing forward; and The upper end of the cutter disc is rotatably mounted on the front end of the bracket, and the cutter disc is driven to rotate by a rotating mechanism; the cutter disc is located above and behind the collecting rod; and the cutter disc is provided with a plurality of evenly distributed blades along its circumferential direction.
2. The hybrid sugarcane cutter height adjustment device according to claim 1, characterized in that: The first swing mechanism comprises a hydraulic cylinder, the upper end of the hydraulic cylinder is hinged to the middle part of the connecting arm, and the lower end of the hydraulic cylinder is hinged to the vehicle body support.
3. The hybrid sugarcane cutter height adjustment device according to claim 1, characterized in that: The second swing mechanism comprises: A telescopic arm, the front end of which is hinged to the rear end of the bracket, the rear end of the telescopic arm is hinged to the vehicle body support, and the telescopic arm is located above the connecting arm; wherein the telescopic arm can be extended forward and backward to drive the bracket to swing up and down; and The telescopic mechanism is used to drive the telescopic arm to extend and retract.
4. The hybrid sugarcane cutter height adjustment device according to claim 3 is characterized in that: The telescopic arm comprises a rear telescopic arm and a front telescopic arm, the rear end of the rear telescopic arm is hinged to the vehicle body support, and a telescopic cavity with a front end opening is provided in the rear telescopic arm; the front end of the front telescopic arm is hinged to the bracket, and a telescopic portion movably sleeved with the telescopic cavity is provided at the rear end of the front telescopic arm; wherein the telescopic mechanism comprises: A screw rod is rotatably mounted on the rear telescopic arm, and the length of the screw rod is distributed along the length direction of the telescopic arm; a motor, mounted on the rear telescopic arm, for driving the screw to rotate; and A nut is threadably connected to the lead screw and is fixedly mounted on the front telescopic arm.
5. The hybrid power sugarcane cutter height adjustment device according to claim 4, characterized in that: An L-shaped groove is provided on the lower side of the rear end of the front telescopic arm, and a protrusion is protruded forward on the lower side of the front end of the rear telescopic arm and matches the L-shaped groove; there are two screw rods, and the two screw rods are installed on the left and right sides of the rear telescopic arm; the motor is connected to the screw rods one by one; a slider is provided at the rear end of the front telescopic arm at a position corresponding to each screw rod, and each slider is provided with a nut threadedly connected to the corresponding screw rod; the protrusion is provided with a guide rail whose length is distributed along the length direction of the telescopic arm at the position corresponding to each slider, and the protrusion can slide back and forth along the corresponding guide rail.
6. The hybrid sugarcane cutter height adjustment device according to claim 1, characterized in that: The rotating mechanism comprises a cutting motor, which is mounted on the bracket and connected to the rotating shaft of the cutter disc.
7. The hybrid sugarcane cutter height adjustment device according to claim 1, characterized in that: It also includes a baffle, and a baffle is respectively provided on the left and right sides of the rear end of the bracket, and the two baffles are in a V shape with the opening facing backwards.