Stubble cutting height adjusting mechanism of agricultural machine
By designing a telescopic rod and a synchronous wheel transmission system on the agricultural machinery to adjust the height of the cutting disc, the problem of crop residue caused by a fixed cutting disc was solved, and the cutting disc was flexibly adjusted, improving the applicability of the agricultural machinery and the growth quality of crops.
Patent Information
- Application Number
- CN202520234967.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing agricultural machinery, due to its fixed cutting disc height, cannot meet the stubble requirements of different crops or the same crop at different growth stages, resulting in excessive or insufficient crop residue, which affects soil fertility, crop yield and quality.
A stubble height adjustment mechanism for agricultural machinery was designed. By installing a telescopic rod and an adjustment frame on the mounting frame, and combining them with a transmission system of a synchronous wheel and a spline shaft, the height of the cutting disc can be adjusted. A servo motor drives the synchronous wheel to rotate the spline shaft, thereby realizing the rotation and height adjustment of the cutting disc.
It enables flexible adjustment of the cutting disc height to adapt to the stubble cutting needs of different crops or the same crop at different growth stages, thereby improving soil fertility and yield, and enhancing the applicability and efficiency of agricultural machinery.
Smart Images
Figure CN223899795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to adjusting mechanism technical field, concretely is a kind of agricultural machine stubble height adjusting mechanism. BACKGROUND
[0002] In agricultural production, the stubble operation of agricultural machine has a crucial influence on the subsequent growth of crops and harvesting efficiency. However, many existing agricultural machines have obvious defects in stubble, especially the lack of cutting disc height adjustment function, which greatly limits their application in different agricultural production scenarios.
[0003] Based on the above, the present inventor found that the existing agricultural machine, due to its fixed cutting disc height, cannot meet the diversified needs. When facing the stubble requirements of different crops or the same crop at different growth stages, farmers often have to passively accept the fixed stubble height of the agricultural machine, which may cause too much or too little stubble of crops, affecting soil fertility, crop yield and quality.
[0004] Therefore, in view of the above, the existing structure and defects are improved, and an agricultural machine stubble height adjusting mechanism is provided to achieve a more practical value. INVENTION CONTENTS
[0005] The utility model is aimed at providing an agricultural machine stubble height adjusting mechanism to solve the problems raised in the background.
[0006] By adopting the above technical scheme, the agricultural machine stubble height can be adjusted to adapt to the stubble operation of crops at different stages.
[0007] In view of the above problems, the technical scheme proposed by the utility model is:
[0008] An agricultural machine stubble height adjusting mechanism includes a main body and a cutting mechanism. The main body includes a mounting bracket, two telescopic rods are inserted into the upper ends of both sides of the mounting bracket, a connecting bracket is fixedly installed on one side of the mounting bracket, a connecting seat is fixedly installed between a pair of connecting brackets, the cutting mechanism includes an adjusting bracket, the bottom ends of a pair of telescopic rods are connected to the upper ends of both sides of the adjusting bracket respectively, a pair of bearing seats are fixedly installed on both sides of the upper end face of the adjusting bracket, a connecting shaft is sleeved in the inside of the bearing seat, the bottom end of the connecting shaft extends to the bottom through the adjusting bracket, and a cutting disc is sleeved.
[0009] Further, a pair of first retaining frames are fixedly installed on one side of the inside of the mounting bracket, and a first synchronous wheel is rotatably sleeved on the upper end of the first retaining frame.
[0010] The beneficial effect of the further scheme is that the first synchronous wheel is installed conveniently through the first retainer.
[0011] Further, the other side of the inside of the mounting frame is fixedly installed with a pair of second retainers, and the upper end of each second retainer is rotatably sleeved with a second synchronous wheel.
[0012] The beneficial effect of the further scheme is that the second synchronous wheel is installed conveniently through the second retainer.
[0013] Further, the first synchronous wheels are connected through a first synchronous belt, and the pair of second synchronous wheels are connected through a second synchronous belt.
[0014] The beneficial effect of the further scheme is that the pair of first synchronous wheels can rotate synchronously through the first synchronous belt, and the pair of second synchronous wheels can rotate synchronously through the second synchronous belt.
[0015] Further, the center of each first synchronous wheel is slidably inserted with a first spline shaft, the first spline shaft is spline-connected with the inner ring of the first synchronous wheel, the center of each second synchronous wheel is slidably inserted with a second spline shaft, the second spline shaft is spline-connected with the inner ring of the second synchronous wheel, and the bottom end of each first and second spline shaft is connected with the top end of a pair of connecting shafts.
[0016] The beneficial effect of the further scheme is that the first synchronous wheel is spline-connected with the first spline shaft, the second synchronous wheel is spline-connected with the second spline shaft, and the bottom end of each first and second spline shaft is connected with the connecting shaft, so that when the first and second synchronous wheels rotate, the first and second spline shafts can be driven to rotate, thereby driving the connecting shaft to rotate, so that the cutting disc rotates to cut crops, and when the adjusting frame moves up and down, the first and second spline shafts can slide in the first and second synchronous wheels without affecting the transmission, thereby facilitating the user to adjust the height of the cutting disc.
[0017] Further, one side of the inside of the mounting frame is fixedly installed with a third retainer, the upper end of the third retainer is rotatably sleeved with a third synchronous wheel, and the inner ring of the third synchronous wheel is spline-connected with one of the first spline shafts.
[0018] The beneficial effect of the further scheme is that the third synchronous wheel is installed and spline-connected with one of the first spline shafts, so that when the third synchronous wheel rotates, one of the first spline shafts can be driven to rotate.
[0019] Further, the fourth retaining frame is arranged on one side of the third retaining frame in the interior of the mounting frame, and a fourth synchronous wheel is rotatably sleeved at the upper end of the fourth retaining frame, and the inner ring of the fourth synchronous wheel is in spline connection with one of the second spline shafts.
[0020] The beneficial effect of the further scheme is that the fourth synchronous wheel is installed and in spline connection with one of the second spline shafts, and when the fourth synchronous wheel rotates, one of the second spline shafts can be driven to rotate.
[0021] Further, a servo motor is fixedly arranged on one side of the mounting frame, a pair of fifth synchronous wheels are sleeved at the output end of the servo motor, and the pair of fifth synchronous wheels are respectively in transmission connection with the third synchronous wheel and the fourth synchronous wheel through a third synchronous belt.
[0022] The beneficial effect of the further scheme is that the servo motor is installed and can drive a pair of fifth synchronous wheels to rotate when working, and the pair of fifth synchronous wheels are respectively in transmission connection with the third synchronous wheel and the fourth synchronous wheel through a third synchronous belt, so that the servo motor can drive the first spline shaft and the second spline shaft to rotate, and then the cutting disc is rotated to cut.
[0023] The beneficial effect of the utility model is: the utility model discloses a kind of height adjustment mechanism of agricultural machine stubble, the height adjustment mechanism of agricultural machine stubble, by installing telescopic link on the upper end of mounting frame two sides, its bottom end is connected with the upper end of adjusting frame, when telescopic link works, it can drive adjusting frame to move up and down, adjusting frame upper end is installed with two pairs of bearing seat, its interior is sleeved with connecting shaft, the bottom end of connecting shaft is sleeved with cutting disc, by adjusting the height of adjusting frame, the height of cutting disc can be adjusted, it is convenient for user to carry out stubble operation to plant of different production stages, by spline connection between first synchronous wheel and first spline shaft, second synchronous wheel and second spline shaft, and make the bottom end of first spline shaft and second spline shaft with connecting shaft connection, when first synchronous wheel and second synchronous wheel rotate, first spline shaft and second spline shaft can be driven to rotate, and then connecting shaft connected with it is rotated, so that cutting disc is rotated, and crop is cut, when adjusting frame moves up and down, first spline shaft and second spline shaft can slide in the interior of first synchronous wheel and second synchronous wheel, and do not affect transmission, it is convenient for user to adjust the height of cutting disc. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 For the three-dimensional structure of the height adjustment mechanism of agricultural machine stubble disclosed in the utility model embodiment Figure 1 ;
[0025] Figure 2 For the three-dimensional structure of the height adjustment mechanism of agricultural machine stubble disclosed in the utility model embodimentFigure 2 ;
[0026] Figure 3 The utility model discloses a front view schematic drawing of agricultural machine stub height adjusting mechanism is disclosed for the embodiment of the utility model;
[0027] Figure 4 The utility model discloses the adjusting frame three -dimensional structure schematic diagram of agricultural machine stub height adjusting mechanism is disclosed for the embodiment of the utility model;
[0028] Figure 5 The utility model discloses the A structure amplification schematic diagram of agricultural machine stub height adjusting mechanism is disclosed for the embodiment of the utility model. Figure 4 The utility model discloses the A structure amplification schematic diagram of agricultural machine stub height adjusting mechanism is disclosed for the embodiment of the utility model.
[0029] In the drawing: 100, main body;1001, mounting frame;1002, telescopic link;1003, connecting frame;1004, connecting seat;1005, first retainer;1006, first spline shaft;1007, second spline shaft;1008, fourth synchronous wheel;1009, fifth synchronous wheel;1010, second retainer;1011, third synchronous wheel;1012, servo motor;1013, first synchronous wheel;1014, third retainer;1015, fourth retainer;1016, second synchronous wheel;200, cutting mechanism;2001, adjusting frame;2002, bearing seat;2003, connecting shaft;2004, cutting disc. Specific implementation
[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0031] Please refer to Figure 1 - Figure 5The utility model provides a technical scheme: a kind of agricultural machine stubble height adjusting mechanism, including main body 100 and cutting mechanism 200, main body 100 includes mounting bracket 1001, the upper end both sides of mounting bracket 1001 are inserted with telescopic link 1002, the side fixed mounting of mounting bracket 1001 has connecting frame 1003, a pair of connecting frame 1003 are fixedly installed between connecting seat 1004, cutting mechanism 200 includes adjusting frame 2001, the upper end both sides of adjusting frame 2001 are respectively connected with the bottom end of a pair of telescopic link 1002, the upper end face both sides of adjusting frame 2001 are fixedly installed with a pair of bearing seat 2002, the inside of bearing seat 2002 is all sleeved with connecting shaft 2003, the bottom end of connecting shaft 2003 is extended to bottom and is sleeved with cutting disc 2004 by penetrating adjusting frame 2001, by installing telescopic link 1002 in the upper end both sides of mounting bracket 1001, its bottom end is connected with the upper end of adjusting frame 2001, when telescopic link 1002 works, it can drive adjusting frame 2001 to move up and down, two pairs of bearing seat 2002 are installed on the upper end of adjusting frame 2001, its inside is sleeved with connecting shaft 2003, the bottom end of connecting shaft 2003 is sleeved with cutting disc 2004, by adjusting the height of adjusting frame 2001, the height of cutting disc 2004 can be adjusted, it is convenient for user to carry out stubble operation to different production stage plant.
[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0033] Please refer to Figure 1 - Figure 5The inner side of the mounting frame 1001 is fixedly installed with a pair of first retaining frames 1005, the upper end of the first retaining frame 1005 is rotatably sleeved with a first synchronous wheel 1013, the inner side of the mounting frame 1001 is fixedly installed with a pair of second retaining frames 1010, the upper end of the second retaining frame 1010 is rotatably sleeved with a second synchronous wheel 1016, a pair of first synchronous wheels 1013 are transmissionally connected through a first synchronous belt, a pair of second synchronous wheels 1016 are transmissionally connected through a second synchronous belt, the center of a pair of first synchronous wheels 1013 is slidably inserted with a first spline shaft 1006, the first spline shaft 1006 is spline-connected with the inner ring of the first synchronous wheel 1013, the center of a pair of second synchronous wheels 1016 is slidably inserted with a second spline shaft 1007, the second spline shaft 1007 is spline-connected with the inner ring of the second synchronous wheel 1016, the bottom end of the first spline shaft 1006 and the second spline shaft 1007 is connected with the top end of the two pairs of connecting shafts 2003, the first retaining frame 1005 is installed, the first synchronous wheel 1013 is conveniently installed, the second retaining frame 1010 is installed, the second synchronous wheel 1016 is conveniently installed, the first synchronous belt is arranged, a pair of first synchronous wheels 1013 can synchronously rotate, the second synchronous belt is arranged, a pair of second synchronous wheels 1016 can synchronously rotate, the first synchronous wheel 1013 is spline-connected with the first spline shaft 1006, the second synchronous wheel 1016 is spline-connected with the second spline shaft 1007, and the bottom end of the first spline shaft 1006 and the second spline shaft 1007 is connected with the connecting shaft 2003, when the first synchronous wheel 1013 and the second synchronous wheel 1016 rotate, the first spline shaft 1006 and the second spline shaft 1007 can be driven to rotate, and then the connecting shaft 2003 connected with the first spline shaft 1006 and the second spline shaft 1007 is rotated, so that the cutting disc 2004 rotates to cut crops, when the adjusting frame 2001 moves up and down, the first spline shaft 1006 and the second spline shaft 1007 can slide in the first synchronous wheel 1013 and the second synchronous wheel 1016, and do not affect the transmission, so that the user can conveniently adjust the height of the cutting disc 2004.
[0034] 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 of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0035] Please refer to Figure 1 - Figure 5The inner side of the mounting frame 1001 is fixedly provided with a third retainer 1014, the upper end of the third retainer 1014 is rotatably sleeved with a third synchronous wheel 1011, the inner ring of the third synchronous wheel 1011 is in spline connection with one of the first spline shafts 1006, the inner side of the mounting frame 1001 located at one side of the third retainer 1014 is provided with a fourth retainer 1015, the upper end of the fourth retainer 1015 is rotatably sleeved with a fourth synchronous wheel 1008, the inner ring of the fourth synchronous wheel 1008 is in spline connection with one of the second spline shafts 1007, one side of the mounting frame 1001 is fixedly provided with a servo motor 1012, the output end of the servo motor 1012 is sleeved with a pair of fifth synchronous wheels 1009, the pair of fifth synchronous wheels 1009 are respectively in transmission connection with the third synchronous wheel 1011 and the fourth synchronous wheel 1008 through a third synchronous belt, by installing the third synchronous wheel 1011 and making it in spline connection with one of the first spline shafts 1006, when the third synchronous wheel 1011 rotates, one of the first spline shafts 1006 can be driven to rotate, by installing the fourth synchronous wheel 1008 and making it in spline connection with one of the second spline shafts 1007, when the fourth synchronous wheel 1008 rotates, one of the second spline shafts 1007 can be driven to rotate, by installing the servo motor 1012, when it works, a pair of fifth synchronous wheels 1009 can be driven to rotate, the pair of fifth synchronous wheels 1009 are respectively in transmission connection with the third synchronous wheel 1011 and the fourth synchronous wheel 1008 through a third synchronous belt, so that the servo motor 1012 can drive the first spline shaft 1006 and the second spline shaft 1007 to rotate, and then the cutting disc 2004 is rotated and cut.
[0036] Specifically, the working principle of the stubble height adjusting mechanism is as follows: before the operation of the agricultural machine, the required stubble height is determined according to the type and growth stage of the crops, the telescopic rod 1002 is controlled to work, the telescopic rod 1002 is elongated or shortened to drive the adjusting frame 2001 to move up and down along the mounting frame 1001, since the cutting disc 2004 is connected with the adjusting frame 2001 through the connecting shaft 2003, the movement of the adjusting frame 2001 realizes the adjustment of the height of the cutting disc 2004, so that the cutting disc 2004 is at the appropriate stubble height position, then the servo motor 1012 is started, the servo motor 1012 drives a pair of fifth synchronous wheels 1009 at the output end to rotate, through the transmission of the third synchronous belt, the fifth synchronous wheels 1009 transmit power to the third synchronous wheels 1011 and the fourth synchronous wheels 1008 respectively, when the third synchronous wheels 1011 rotate, since the inner ring is connected with one of the first spline shafts 1006 through spline connection, the first spline shaft 1006 is driven to rotate, at the same time, the fourth synchronous wheels 1008 are rotated to drive one of the second spline shafts 1007 connected through spline connection to rotate, each pair of first spline shafts 1006 and second spline shafts 1007 are connected with first synchronous wheels 1013 and second synchronous wheels 1016 through spline connection, each pair of first synchronous wheels 1013 and second synchronous wheels 1016 are connected through first synchronous belts and second synchronous belts respectively, so that the first spline shafts 1006 and the second spline shafts 1007 rotate synchronously, the bottom ends of the first spline shafts 1006 and the second spline shafts 1007 are connected with the connecting shaft 2003, thereby driving the connecting shaft 2003 to rotate, finally the cutting disc 2004 is rotated to perform stubble operation on the crops, during the cutting process, if it is necessary to adjust the height of the cutting disc 2004 again, the telescopic rod 1002 can be controlled to work at any time, due to the characteristics of the spline connection, the first spline shafts 1006 and the second spline shafts 1007 can slide in the synchronous wheels, which does not affect the power transmission, and ensures that the cutting disc 2004 can be stably cut at different heights.
Claims
1. A stubble height adjustment mechanism for agricultural machinery, characterized in that, The device includes a main body (100) and a cutting mechanism (200). The main body (100) includes a mounting frame (1001). Telescopic rods (1002) are inserted into both sides of the upper end of the mounting frame (1001). A connecting frame (1003) is fixedly installed on one side of the mounting frame (1001). A connecting seat (1004) is fixedly installed between a pair of connecting frames (1003). The cutting mechanism (200) includes an adjusting frame (2001). The upper ends of the adjusting frame (2001) are respectively connected to the bottom ends of a pair of telescopic rods (1002). A pair of bearing seats (2002) are fixedly installed on both sides of the upper end face of the adjusting frame (2001). A connecting shaft (2003) is sleeved inside each bearing seat (2002). The bottom end of the connecting shaft (2003) extends through the adjusting frame (2001) to the bottom and is sleeved with a cutting disc (2004).
2. The agricultural machinery stubble height adjustment mechanism according to claim 1, characterized in that, A pair of first retainers (1005) are fixedly installed on one side of the inner side of the mounting bracket (1001), and a first synchronous wheel (1013) is rotatably sleeved on the upper end of each of the first retainers (1005).
3. The agricultural machinery stubble height adjustment mechanism according to claim 2, characterized in that, A pair of second retainers (1010) are fixedly installed on the other side of the interior of the mounting bracket (1001), and the upper end of each of the second retainers (1010) is rotatably fitted with a second synchronous wheel (1016).
4. The agricultural machinery stubble height adjustment mechanism according to claim 3, characterized in that, A pair of first synchronous pulleys (1013) are connected by a first synchronous belt drive, and a pair of second synchronous pulleys (1016) are connected by a second synchronous belt drive.
5. The agricultural machinery stubble height adjustment mechanism according to claim 4, characterized in that, A first spline shaft (1006) is slidably inserted at the center of each pair of first synchronous pulleys (1013). The first spline shaft (1006) is connected to the inner spline of the first synchronous pulley (1013). A second spline shaft (1007) is slidably inserted at the center of each pair of second synchronous pulleys (1016). The second spline shaft (1007) is connected to the inner spline of the second synchronous pulley (1016). The bottom ends of the first spline shaft (1006) and the second spline shaft (1007) are respectively connected to the top ends of two pairs of connecting shafts (2003).
6. The stubble height adjustment mechanism for agricultural machinery according to claim 5, characterized in that, A third retainer (1014) is fixedly installed on one side of the inner side of the mounting bracket (1001). A third synchronous wheel (1011) is rotatably sleeved on the upper end of the third retainer (1014). The inner ring of the third synchronous wheel (1011) is splinedly connected to one of the first spline shafts (1006).
7. The agricultural machinery stubble height adjustment mechanism according to claim 6, characterized in that, The mounting bracket (1001) has a fourth retainer (1015) installed inside on one side of the third retainer (1014). The upper end of the fourth retainer (1015) is rotatably fitted with a fourth synchronous wheel (1008). The inner ring of the fourth synchronous wheel (1008) is splinedly connected to one of the second spline shafts (1007).
8. The agricultural machinery stubble height adjustment mechanism according to claim 7, characterized in that, A servo motor (1012) is fixedly installed on one side of the mounting bracket (1001). A pair of fifth synchronous pulleys (1009) are sleeved on the output end of the servo motor (1012). The pair of fifth synchronous pulleys (1009) are respectively connected to the third synchronous pulley (1011) and the fourth synchronous pulley (1008) by a third synchronous belt drive.