Strip seedbed preparation tillage device of no-tillage planter

Abstract

The utility model provides a strip seedbed preparation tillage device of a no-tillage planter, and relates to the technical field of agricultural machinery. A strip seedbed preparation tillage device of a no-tillage planter comprises a machine frame, a stubble breaking and soil cutting knife tackle, a lifting adjusting mechanism and a power transmission mechanism, the machine frame comprises a supporting machine position plate and a lifting adjusting fixed support, and the supporting machine position plate is fixedly connected with a lifting adjusting movable support and a knife tackle frame. The lifting adjusting fixed support is installed on a forward traction beam of the no-tillage machine through bolts. The device is assembled on a forward traction beam of a no-tillage planter, a rear power output shaft of a tractor is used as a power source, the cutter shaft is driven to rotate under the action of a power transmission mechanism, the functions of dynamic stubble breaking, soil loosening and ditching are completed through an L-shaped stubble breaking cutter on a strip tillage cutter disc, and active strip type tillage and seeding integrated operation is achieved. The stubble soil block crushing machine has the characteristics of small power consumption and good stubble soil block crushing effect, has the remarkable advantages of improving the ground temperature and ensuring the emergence rate, and achieves the goals of saving cost and improving efficiency.

Description

Technical Field

[0001] The utility model relates to a tillage device, in particular to a strip seed bed preparation tillage device for a no-till seeder, belonging to the technical field of agricultural machinery. Background Art

[0002] No-till seeding and reduced-till seeding are an important part of conservation tillage technology. Their supporting machinery is suitable for seeding operations in my country's northern dryland agricultural areas. Strip seeding, as a new form of conservation tillage, has become a major operation method of conservation tillage in spring and autumn in developed countries such as Europe and the United States. The soil disturbance does not exceed 1 / 3, and the rows of corn are covered with straw and stubble during the growing season, which is suitable for the no-till seeding operation needs in arid areas and ensures the operation quality of the seeding machine.

[0003] Most of the existing anti-blocking technologies for no-till machines are passive, and there is a problem of blocking the sowing unit, resulting in the fertilization and sowing depth not reaching the required depth for the operation. At the same time, soil compaction caused by years of no-till operation is also a major problem, which is a technical difficulty that causes poor operation quality of the seeder. Therefore, it is necessary to perform power tillage on the straw, root stubble, and compacted soil blocks on the surface before no-till sowing operation to create suitable sowing conditions and complete the seed bed preparation operation for subsequent fertilization, sowing, and soil covering and compaction. To this end, the utility model provides a strip seed bed preparation tillage device for a no-till seeder. Utility Model Content

[0004] The purpose of the present invention is to provide a no-till seeder strip seed bed preparation tillage device in order to solve the above problems, so as to solve the problems of the prior art.

[0005] The utility model is realized through the following technical solutions: a strip seed bed preparation tillage device of a no-till seeder, comprising a frame, a stubble cutting knife group, a lifting and adjusting mechanism, and a power transmission mechanism, wherein the frame comprises a supporting machine position plate and a lifting and adjusting fixed bracket, the supporting machine position plate is fixedly connected with a lifting and adjusting movable bracket and a knife group frame, the lifting and adjusting fixed bracket is installed on the no-till machine traction beam by bolts, the lifting and adjusting mechanism is installed between the lifting and adjusting movable bracket and the lifting and adjusting fixed bracket, the stubble cutting knife group comprises a knife shaft and a soil guide cover rotatably connected to the knife group frame, the outer surface of the knife shaft is fixedly connected with a strip tillage knife disc, the outer side surface of the strip tillage knife disc is installed with an L-shaped stubble cutting knife, and the power transmission mechanism is connected to the knife shaft through a sprocket assembly.

[0006] Preferably, the strip-tillage cutter disc includes a fixed cutter disc and a connecting square sleeve, the connecting square sleeve is fixedly connected to the inside of the fixed cutter disc, and the connecting square sleeve is fixedly connected to the outer surface of the cutter shaft, and the fixed cutter disc and the connecting square sleeve are combined to form a strip-tillage cutter disc.

[0007] Preferably, the lifting and adjusting mechanism includes a hydraulic cylinder and a quick limiting mechanism. The fixed end of the hydraulic cylinder is hinged to the lifting and adjusting movable bracket through a pin shaft, and the telescopic end of the hydraulic cylinder is hinged to the lifting and adjusting fixed bracket through a pin shaft. The device is pushed up and down on the traction beam of the no-till machine by starting.

[0008] Preferably, the quick limiting mechanism includes a limiting frame fixed on the supporting machine position plate, a positioning pin is inserted at the bottom of the limiting frame, a base plate is provided at one end of the positioning pin, the positioning pin is arranged on both sides of the traction beam of the no-till machine, and the base plate is arranged directly below the traction beam of the no-till machine. The positioning pin, base plate and limiting frame are provided to ensure the stability and safety of the whole machine operation.

[0009] Preferably, the power transmission mechanism includes a T-type differential gear transmission box fixed on the support plate, the sprocket assembly includes a sprocket and a chain, the sprocket is fixed on the power output shaft and the cutter shaft at both ends of the T-type differential gear transmission box, the chain drive is connected between the two sprockets, the rear power output shaft of the tractor is the power source, which is connected to the input shaft of the T-type differential gear transmission box, and drives the cutter shaft to rotate through the sprocket assembly.

[0010] Preferably, each of the strip-tillage cutter discs is provided with two fixed cutter discs, and five L-shaped stubble chopping knives are evenly mounted on each fixed cutter disc through bolts. The L-shaped stubble chopping knives can be easily replaced by removing the bolts at one end of the L-shaped stubble chopping knives.

[0011] Preferably, one end of the soil guide cover is rotatably connected to a side surface of the cutter group frame.

[0012] The utility model provides a strip seed bed preparation tillage device for a no-till seeder, which has the following beneficial effects:

[0013] The device is installed on the traction beam of the no-till seeder, with the rear power output shaft of the tractor as the power source. Under the action of the power transmission mechanism, it drives the cutter shaft to rotate, and through the L-shaped stubble breaking knife on the strip tillage disc, it completes the functions of dynamic stubble breaking, loosening soil and furrowing, realizing active strip tillage and sowing combined operation. It has the characteristics of low power consumption and good root stubble soil block crushing effect, can increase ground temperature, ensure the significant advantage of seedling emergence rate, and achieve the goal of saving cost and increasing efficiency.

[0014] The device is equipped with a lifting and adjusting mechanism to drive the entire device to be raised and lowered on the traction beam of the no-till machine to meet the different stubble breaking, loosening, and ditching operation depths and working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the frame structure of the knife assembly of the present invention;

[0017] Figure 3 This is a three-dimensional diagram of the strip tillage cutter disc structure of the present utility model;

[0018] Figure 4 This is a three-dimensional diagram of the installation of the stubble cutting and soil cutting knife group of the utility model;

[0019] Figure 5 This is a three-dimensional diagram of the installation of the quick limiting mechanism of the utility model.

[0020] Explanation of the main component symbols: 1. Support plate; 2. Fixed bracket for lifting and adjustment; 3. Moving bracket for lifting and adjustment; 4. Cutter group frame; 5. Cutter shaft; 6. Strip tillage disc; 7. Soil guide cover; 8. Fixed disc; 9. Connecting square sleeve; 10. L-shaped stubble cutter; 11. Hydraulic cylinder; 12. Quick limit mechanism; 13. T-type differential gear transmission box; 14. Bottom plate; 15. Positioning pin shaft. DETAILED DESCRIPTION

[0021] The embodiment of the utility model provides a strip seed bed preparation tillage device for a no-till seeder.

[0022] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The strip seed bed preparation and tillage device of the no-till seeder includes a frame, a stubble cutting knife group, a lifting and adjusting mechanism, and a power transmission mechanism. The frame includes a supporting machine plate 1 and a lifting and adjusting fixed bracket 2. The supporting machine plate 1 is fixedly connected with a lifting and adjusting movable bracket 3 and a knife group frame 4. The lifting and adjusting fixed bracket 2 is installed on the traction beam of the no-till seeder by bolts. The lifting and adjusting movable bracket 3 is welded on the supporting machine plate 1, and the knife group frame 4 is fixedly installed on the supporting machine plate 1 by bolts.

[0023] Please refer again Figure 1 and Figure 5 The lifting and adjusting mechanism is installed between the lifting and adjusting movable bracket 3 and the lifting and adjusting fixed bracket 2. The lifting and adjusting mechanism includes a hydraulic cylinder 11 and a quick limiting mechanism 12. The fixed end of the hydraulic cylinder 11 is hinged to the lifting and adjusting movable bracket 3 through a pin shaft, and the telescopic end of the hydraulic cylinder 11 is hinged to the lifting and adjusting fixed bracket 2 through a pin shaft. The hydraulic cylinder 11 is pushed to be telescoped by the tractor hydraulic system to drive the entire device to be lifted and lowered on the traction beam of the no-till machine.

[0024] Please refer again Figure 1 and Figure 5The quick limiting mechanism 12 includes a limiting frame fixed on the supporting machine plate 1, and a positioning pin 15 is inserted at the bottom of the limiting frame. A bottom plate 14 is provided at one end of the positioning pin 15. The positioning pin 15 is provided on both sides of the traction beam of the no-till machine. The bottom plate 14 is provided directly below the traction beam of the no-till machine. By arranging the bottom plate 14 and the positioning pin 15, the device is stably installed on the traction beam of the no-till machine. One end of the positioning pin 15 is provided with an external thread. The bottom plate 14 is inserted into the positioning pin 15 and is placed directly below the traction beam of the no-till machine. The position of the bottom plate 14 is fixed by a nut.

[0025] Please refer again Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The stubble cutting knife group includes a knife shaft 5 and a soil guide cover 7 which are rotatably connected to the knife group frame 4. One end of the soil guide cover 7 is rotatably connected to a side surface of the knife group frame 4. The outer surface of the knife shaft 5 is fixedly connected to a strip tillage knife disc 6. The outer side surface of the strip tillage knife disc 6 is installed with an L-shaped stubble cutting knife 10, which is rotated by driving the knife shaft 5.

[0026] Please refer again Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The strip tillage cutter disc 6 includes a fixed cutter disc 8 and a connecting square sleeve 9. The connecting square sleeve 9 is fixedly connected to the inside of the fixed cutter disc 8. The connecting square sleeve 9 is fixedly connected to the outer surface of the cutter shaft 5. Each strip tillage cutter disc 6 is provided with two fixed cutter discs 8. Five L-shaped stubble breaking knives 10 are evenly installed on each fixed cutter disc 8 by bolts. The stubble breaking and soil cutting knife group is a symmetrical strip-type stubble breaking device. The spacing between the fixed cutter discs 8 is designed to be 140 mm.

[0027] Please refer again Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The power transmission mechanism is connected to the cutter shaft 5 through a sprocket assembly. The power transmission mechanism includes a T-type differential gear transmission box 13 fixed on the support plate 1. The sprocket assembly includes a sprocket and a chain. The sprocket is fixed to the power output shaft and the cutter shaft 5 at both ends of the T-type differential gear transmission box 13. The chain drive is connected between the two sprockets. The T-type differential gear transmission box 13 is fixed to the upper support plate 1 of the frame by bolts. The rear power output shaft of the tractor is used as the power source. It is connected to the input shaft of the T-type differential gear transmission box 13 and drives the cutter shaft 5 to rotate under the action of the sprocket and chain.

[0028] Working principle: The lifting and adjusting fixed bracket 2 of the device is installed on the traction beam of the no-tillage machine through bolts, the hydraulic cylinder 11 is connected to the hydraulic system of the tractor, and the rear power output shaft of the tractor is used as the power source, which is connected to the input shaft of the T-type differential gear transmission box 13. By installing the bottom plate 14 at the bottom of the positioning pin shaft 15, it is placed just below the traction beam of the no-tillage machine, and the position of the bottom plate 14 is fixed by the nut. The sprocket assembly is driven to rotate by the T-type differential gear transmission box 13, and then the knife shaft 5 and the strip tillage knife disc 6 can be driven to rotate at the rated speed to complete the dynamic stubble breaking, loosening and ditching functions. The active strip tillage and sowing combined operation is now carried out to create a strip seed bed suitable for sowing environment for no-till sowing. The device can drive the entire device to rise and fall on the traction beam of the no-till machine by pushing the hydraulic cylinder 11 through the tractor hydraulic system according to the root stubble and soil compaction conditions of the cultivated land. The overall lifting of the stubble breaking and soil cutting knife group can meet the different stubble breaking, loosening and ditching operation depths and working conditions. At the same time, with the function of the limit frame, bottom plate 14 and positioning pin shaft 15, mechanical forced operation depth can be achieved and accidental falling during transportation can be prevented from causing damage to device components, thereby ensuring the stability and safety of the entire machine operation.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A strip seedbed preparation and tillage device for a no-till planter, comprising a frame, a stubble-chopping and soil-cutting knife group, a lifting and adjusting mechanism, and a power transmission mechanism, characterized in that: The frame comprises a support plate (1) and a lifting and adjusting fixed bracket (2); a lifting and adjusting movable bracket (3) and a knife group frame (4) are fixedly connected to the support plate (1); the lifting and adjusting fixed bracket (2) is mounted on the traction beam of the no-tillage machine by bolts; and a lifting and adjusting mechanism is mounted between the lifting and adjusting movable bracket (3) and the lifting and adjusting fixed bracket (2); The stubble-chopping and soil-cutting knife group comprises a knife shaft (5) and a soil guide cover (7) rotatably connected to a knife group frame (4); the outer surface of the knife shaft (5) is fixedly connected to a tillage knife disc (6); an L-shaped stubble-chopping knife (10) is installed on the outer side surface of the tillage knife disc (6); and a power transmission mechanism is connected to the knife shaft (5) via a sprocket assembly.

2. The strip seed bed preparation tillage device for a no-till seeder according to claim 1, characterized in that: The strip-tillage blade disc (6) comprises a fixed blade disc (8) and a connecting square sleeve (9), wherein the connecting square sleeve (9) is fixedly connected to the interior of the fixed blade disc (8), and the connecting square sleeve (9) is fixedly connected to the outer surface of the blade shaft (5).

3. The strip seed bed preparation tillage device for a no-till seeder according to claim 1, characterized in that: The lifting and adjusting mechanism comprises a hydraulic cylinder (11) and a quick limiting mechanism (12); the fixed end of the hydraulic cylinder (11) is hinged to the lifting and adjusting movable bracket (3) via a pin shaft, and the telescopic end of the hydraulic cylinder (11) is hinged to the lifting and adjusting fixed bracket (2) via a pin shaft.

4. The strip seed bed preparation tillage device for a no-till seeder according to claim 3, characterized in that: The quick limiting mechanism (12) comprises a limiting frame fixed on the supporting machine plate (1), a positioning pin (15) is inserted at the bottom of the limiting frame, one end of the positioning pin (15) is provided with a bottom plate (14), the positioning pin (15) is provided on both sides of the traction beam of the no-tillage machine, and the bottom plate (14) is provided directly below the traction beam of the no-tillage machine.

5. The strip seed bed preparation tillage device for a no-till seeder according to claim 1, characterized in that: The power transmission mechanism comprises a T-type differential gear transmission box (13) fixed on the support plate (1); a sprocket assembly comprises a sprocket and a chain; the sprockets are fixed on the power output shaft and the knife shaft (5) at both ends of the T-type differential gear transmission box (13); and the chain drive is connected between the two sprockets.

6. The strip seed bed preparation tillage device for a no-till seeder according to claim 2, characterized in that: Each of the strip-tillage blade discs (6) is provided with two fixed blade discs (8), and each fixed blade disc (8) is evenly mounted with five L-shaped stubble breaking knives (10) via bolts.

7. The strip seed bed preparation tillage device for a no-till seeder according to claim 1, characterized in that: One end of the soil guide cover (7) is rotatably connected to a side surface of the cutter group frame (4).

Images