L-type transmission structure of a rotary seeding and ditching integrated operation machine

Abstract

The present application relates to the technical field of rotary tillage seeding equipment, and specifically discloses an L-shaped transmission structure of a rotary seeding and ditching integrated operation machine, which includes a front frame and a rear frame. Two pressing wheels are provided on the rear frame. A ditching disc and a seeding machine located between the two pressing wheels are also provided on the rear frame. An L-shaped frame is provided on the rear frame. A transmission assembly is provided in the L-shaped frame, and the transmission assembly in the L-shaped frame is in transmission connection with the rotary tillage equipment on the front frame through a transmission rotating shaft. The transmission assembly is also in transmission connection with the two pressing wheels and the ditching disc. During use, through the transmission of the transmission rotating shaft and the transmission assembly in the L-shaped frame, the two pressing wheels and the ditching disc rotate synchronously with the rotary tillage equipment on the front frame. By using the speed difference, the mud sticking situation on the pressing wheels can be reduced, making the soil on the ground smooth after being pressed, neither sticking mud nor grass, and improving the pressing effect of the pressing wheels.

Description

Technical Field

[0001] The present application relates to the technical field of rotary tillage and seeding equipment, and in particular to an L-shaped transmission structure of a rotary tillage, seeding and ditching integrated operation machine. Background Art

[0002] A rotary tillage, seeding and ditching integrated operation machine is an agricultural machine integrating multiple functions such as rotary tillage, seeding and ditching. It mainly consists of a frame part, a transmission device, a rotary tillage device, a ditching device, a seeder and a pressing device, etc. When the tractor drives the universal joint to rotate, the rotary tillage cutter shaft is driven to rotate through the transmission gearbox, and the rotary tillage cutter starts to cut the soil for rotary tillage operation. The ditching device opens a trench, the seeder sows seeds, and the pressing wheel compacts the soil, which can significantly improve agricultural production efficiency and reduce labor intensity.

[0003] However, when the existing rotary tillage, seeding and ditching integrated operation machine is in use, the pressing wheel rotates with the rotation of the tractor, and the pressing effect is achieved by the friction between the pressing wheel and the ground. This pressing method will cause the pressing wheel to stick with mud, and drive the soil and weeds on the ground together, which will affect the subsequent pressing effect of the pressing wheel. Summary of the Invention

[0004] The present application provides an L-shaped transmission structure of a rotary tillage, seeding and ditching integrated operation machine, which has the advantages that the pressing wheel is not easy to stick with mud and grass, and is used to solve the technical problem that the pressing wheel of the existing rotary tillage, seeding and ditching integrated operation machine is easy to stick with mud and grass during operation.

[0005] To achieve the above object, the present application adopts the following technical solution: An L-shaped transmission structure of a rotary tillage, seeding and ditching integrated operation machine, including a front frame and a rear frame. Two pressing wheels are provided on the rear frame. A ditching disc and a seeder are also provided on the rear frame between the two pressing wheels. An L-shaped frame is provided on the rear frame. A transmission component is provided in the L-shaped frame, and the transmission component in the L-shaped frame is in transmission connection with the rotary tillage equipment on the front frame through a transmission rotating shaft. The transmission component is also in transmission connection with the two pressing wheels and the ditching disc.

[0006] During use, through the transmission of the transmission rotating shaft and the transmission component in the L-shaped frame, the two pressing wheels and the ditching disc rotate synchronously with the rotary tillage equipment on the front frame.

[0007] Further, the transmission assembly includes a pressing wheel rotating shaft I and a pressing wheel rotating shaft II respectively arranged at the two transverse ends of the L-shaped frame. The two pressing wheels are respectively fixedly installed on the pressing wheel rotating shaft I and the pressing wheel rotating shaft II. A positioning gear I located inside the L-shaped frame is fixedly installed on the pressing wheel rotating shaft I, and a positioning gear II located inside the L-shaped frame is fixedly installed on the pressing wheel rotating shaft II. A middle rotating shaft is movably sleeved in the middle section of the transverse part of the L-shaped frame. A middle gear located inside the L-shaped frame is fixedly installed on the middle rotating shaft. The top end of the longitudinal part of the L-shaped frame is movably sleeved with an input rotating shaft through a bearing. An inclined gear located inside the L-shaped frame is fixedly installed at one end of the input rotating shaft. The inclined gear is in transmission connection with the transmission rotating shaft. An input gear is fixedly installed on the input rotating shaft. The input gear is in transmission connection with the middle gear, the positioning gear I, and the positioning gear II.

[0008] Further, several transmission gears are arranged inside the L-shaped frame. The positioning gear I and the middle gear, the middle gear and the positioning gear II, and the positioning gear II and the input gear are respectively in meshing transmission connection through the transmission gears.

[0009] Further, the number of the L-shaped frames is set to two. The two L-shaped frames are respectively arranged on both sides of the rear frame. The inclined gear on the input rotating shaft in one of the L-shaped frames is in transmission connection with one end of the transmission rotating shaft. The L-shaped frame is inclinedly arranged on the rear frame. The distances between the pressing wheel rotating shaft I and the pressing wheel rotating shaft II and the middle rotating shaft are adjustable.

[0010] Further, chute I located on both sides of the middle rotating shaft is opened in the transverse part of the L-shaped frame. The pressing wheel rotating shaft I and the pressing wheel rotating shaft II respectively penetrate through the two chute I. Sliding sleeves movably sleeved with the chute I are respectively arranged on the pressing wheel rotating shaft I and the pressing wheel rotating shaft II. The sliding sleeves are movably sleeved with the pressing wheel rotating shaft I and the pressing wheel rotating shaft II through bearings. Baffles located on both sides of the L-shaped frame are respectively arranged on the pressing wheel rotating shaft I and the pressing wheel rotating shaft II.

[0011] Furthermore, a limiting plate located between the positioning gear II and the baffle is fixedly mounted on the pressure wheel shaft II, and limiting gears are arranged on the limiting plate on both sides of the positioning gear II. A guide shaft I located below the input shaft is movably mounted on the L-shaped frame through a bearing, and the guide shaft I is located on the horizontal side of the pressure wheel shaft II. A guide gear I located on the horizontal side of the limiting gear is fixedly mounted on the guide shaft I. A slide groove II located between the input shaft and the guide shaft I is provided at the beginning of the longitudinal portion of the L-shaped frame. A passive shaft is movably mounted in the slide groove II, and the passive shaft A slide groove II is also provided between the shaft and the slide groove II, and the slide groove II is movably connected to the passive rotating shaft through a bearing. A passive gear located above the guide gear I is fixedly installed on the passive rotating shaft, and a guide rotating shaft II located obliquely above the guide rotating shaft I is fixedly installed on the L-shaped frame. A guide gear II is fixedly installed on the guide rotating shaft II, and the centers of the positioning gear I, two limiting gears, positioning gear II, guide gear I and the passive gear are located on the same plane, and the positioning gear I, two limiting gears, positioning gear II, guide gear I and the passive gear are connected through a chain I transmission.

[0012] Furthermore, a guide gear located between the guide gear I and the L-shaped frame is fixedly installed on the guide shaft I, and a guide gear II located between the guide gear II and the L-shaped frame is fixedly installed on the guide shaft II. The centers of the intermediate gear, the guide gear, the input gear and the guide gear II are located on the same plane, and the intermediate gear, the guide gear, the input gear and the guide gear II are connected through a chain II transmission.

[0013] Furthermore, the inner wall of the L-shaped frame is fixedly installed with limit strips located on the upper and lower sides of the slide groove I, and the limit strip is provided with a plurality of limit holes arranged at equal intervals. A limit plate is fixedly installed on the pressure wheel shaft I, and at least one limit screw shaft is threadedly sleeved on the upper and lower sides of the limit plate, and the limit screw shaft is clamped in the limit hole.

[0014] Furthermore, the passive rotating shaft is fixedly sleeved with a stopper located on both sides of the L-shaped frame, and protrusions are respectively provided on both sides of the stopper. L-shaped fixing plates located on the upper and lower sides of the passive gear are fixedly installed on the inner wall of the L-shaped frame, and a threaded rod is fixedly installed between the two L-shaped fixing plates. The two threaded rods are movably sleeved with the two L-shaped fixing plates on both sides of the passive gear respectively, and two adjusting nuts are threadedly sleeved on the threaded rod, and the two adjusting nuts are respectively arranged on the upper and lower sides of the protrusion.

[0015] Beneficial effects of the present invention:

[0016] 1. The L-shaped transmission structure of the rotary seeding and ditching integrated operation machine provided by the present application, when the rotary tillage equipment on the front frame performs rotary tillage operations, through the transmission of the transmission rotating shaft and the transmission components in the L-shaped frame, the two press wheels and the ditching disc rotate synchronously with the rotary tillage equipment on the front frame. Then, the two press wheels on the rear frame rotate rapidly at the same time. Compared with the existing rotary seeder, where the rotation of the press wheel is driven by the tractor and the compaction effect is achieved through the friction between the press wheel and the ground, by driving the press wheel to rotate rapidly, the rolling speed of the press wheel exceeds the traveling speed of the driving device. Using the speed difference, the situation of mud sticking to the press wheel can be reduced, making the soil on the ground compacted smoothly, neither sticking mud nor grass, and improving the compaction effect of the press wheel.

[0017] 2. Through the transmission of the transmission components in the L-shaped frame, while the two press wheels and the ditching disc rotate synchronously with the rotary tillage equipment on the front frame, the adjustable settings of the distances between the press wheel rotating shaft I and the press wheel rotating shaft II and the intermediate rotating shaft are also utilized. Thus, by respectively adjusting the distances between the press wheel rotating shaft I and the intermediate rotating shaft, and between the press wheel rotating shaft II and the intermediate rotating shaft, and in cooperation with the inclined setting of the L-shaped frame, the height differences of the press wheels on the press wheel rotating shaft I and the press wheel rotating shaft II can be respectively controlled. That is, according to the requirements of the compaction degree of the seeds on the soil, the heights of the intermediate rotating shaft in front of the ditching disc and the seeder and the intermediate rotating shaft behind the ditching disc and the seeder can be respectively adjusted. The intermediate rotating shaft in the front can be used to initially compact the soil, facilitating the ditching operation of the ditching disc and the seeding operation of the seeder, and adapting to the rotary seeding operations of different seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings forming a part of the specification depict the embodiments disclosed in the present application and, together with the specification, are used to explain the principles disclosed in the present application.

[0019] Referring to the drawings, the present application can be more clearly understood according to the following detailed description, where:

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is Figure 1 the front view of

[0022] Figure 3 is the internal structural diagram of the L-shaped frame in Embodiment 1;

[0023] Figure 4 is the internal structural diagram of the L-shaped frame in Embodiment 2;

[0024] Figure 5 is Figure 4 the front view of

[0025] Figure 6 is Figure 4Schematic diagram of the right - view three - dimensional structure;

[0026] Figure 7 is Figure 6 Schematic diagram of the partially enlarged structure at position A of;

[0027] Figure 8 is Figure 4 Schematic diagram of the inner wall structure of the L - shaped frame in.

[0028] In the figure:

[0029] 1. L - shaped frame; 101. Slide groove Ⅰ; 102. Sliding sleeve; 103. Slide groove Ⅱ; 2. Pressing wheel rotating shaft Ⅰ; 201. Positioning gear Ⅰ; 3. Pressing wheel rotating shaft Ⅱ; 301. Positioning gear Ⅱ; 4. Pressing wheel; 5. Intermediate rotating shaft; 501. Intermediate gear; 6. Ditching disc; 7. Input rotating shaft; 701. Input gear; 8. Transmission rotating shaft; 9. Transmission gear; 10. Baffle; 11. Limiting plate; 12. Limiting gear; 13. Guide rotating shaft Ⅰ; 14. Guide gear Ⅰ; 15. Driven rotating shaft; 16. Driven gear; 17. Guide rotating shaft Ⅱ; 18. Guide gear Ⅱ; 19. Chain Ⅰ; 20. Guide gear; 21. Guide gear Ⅱ; 22. Chain Ⅱ; 23. Limit strip; 231. Limit hole; 24. Limiting disc; 25. Limiting screw shaft; 26. Block; 261. Convex block; 27. L - shaped fixing plate; 28. Threaded rod; 29. Adjusting nut. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a 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 of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0031] Embodiment 1

[0032] Please refer to Figures 1-3, an L-shaped transmission structure of a rotary seeding and ditching integrated operation machine, comprising a front frame and a rear frame. A rotary tillage device is installed on the front frame, and the soil is turned over by the rotary blades on the rotary tillage device. On one side of the rear frame, an L-shaped frame 1 is installed. At both ends of the transverse part of the L-shaped frame 1, a press wheel rotating shaft I 2 and a press wheel rotating shaft II 3 are respectively movably sleeved through bearings. The other ends of the press wheel rotating shaft I 2 and the press wheel rotating shaft II 3 are movably sleeved with the other side of the rear frame through bearings. Pressing wheels 4 are respectively fixedly installed on the press wheel rotating shaft I 2 and the press wheel rotating shaft II 3. In the middle of the transverse part of the L-shaped frame 1, an intermediate rotating shaft 5 is movably sleeved through a bearing. One end of the intermediate rotating shaft 5 is movably sleeved with the other side of the rear frame through a bearing. The rear frame is provided with a ditching disc 6 located between the two pressing wheels 4. The number of the ditching discs 6 is at least one, and the ditching disc 6 is fixedly installed on the intermediate rotating shaft 5. A seeder is provided on the rear frame directly behind the intermediate rotating shaft 5. By controlling the rotation of the intermediate rotating shaft 5, the ditching disc 6 is driven to rotate for ditching operations so as to perform seeding operations during the seeding period.

[0033] At the top of the longitudinal part of the L-shaped frame 1, an input rotating shaft 7 is movably sleeved through a bearing. At one end of the input rotating shaft 7, a bevel gear located inside the L-shaped frame 1 is fixedly installed. A transmission rotating shaft 8 is arranged between the front frame and the bevel gear for transmission. Through the transmission rotating shaft 8, the bevel gear at one end of the input rotating shaft 7 is in transmission connection with the rotary tillage device on the front frame, so that while the front frame performs rotary tillage operations, the input rotating shaft 7 can be driven to rotate through the transmission rotating shaft 8. At the other end of the input rotating shaft 7, an input gear 701 located inside the L-shaped frame 1 is fixedly installed. At the end of the press wheel rotating shaft I 2 away from the pressing wheel 4, a positioning gear I 201 located inside the L-shaped frame 1 is fixedly installed. At the end of the press wheel rotating shaft II 3 away from the pressing wheel 4, a positioning gear II 301 located inside the L-shaped frame 1 is fixedly installed. At the other end of the intermediate rotating shaft 5, an intermediate gear 501 located inside the L-shaped frame 1 is fixedly installed. A number of transmission gears 9 are arranged inside the L-shaped frame 1. And between the positioning gear I 201 and the intermediate gear 501, between the intermediate gear 501 and the positioning gear II 301, and between the positioning gear II 301 and the input gear 701, they are respectively in transmission connection through the meshing with the transmission gears 9. Through the transmission components composed of the input rotating shaft 7, the input gear 701, the press wheel rotating shaft II 3, the positioning gear II 301, the intermediate rotating shaft 5, the intermediate gear 501, the press wheel rotating shaft I 2, the positioning gear I 201 and the transmission gears 9 inside the L-shaped frame 1, when the rotary tillage device on the front frame performs rotary tillage operations, by means of the transmission of the transmission rotating shaft 8 and the transmission components inside the L-shaped frame 1, the two pressing wheels on the rear frame can also be driven to rotate rapidly at the same time. Compared with the existing rotary seeder in which the rotation of the pressing wheel is driven by the tractor and the pressing effect is achieved through the friction between the pressing wheel and the ground, by driving the pressing wheel to rotate rapidly so that the rolling speed of the pressing wheel exceeds the traveling speed of the driving device, using the speed difference, the situation of mud sticking on the pressing wheel can be reduced, and the soil on the ground can be pressed very smoothly, neither sticking mud nor sticking grass, thus improving the pressing effect of the pressing wheel.

[0034] Embodiment 2

[0035] Please refer to Figures 4-7 , on the basis of Embodiment 1, the number of L-shaped frames 1 is set to two, and the two L-shaped frames 1 are respectively arranged on both sides of the rear frame. The helical gear on the input rotating shaft 7 in one of the L-shaped frames 1 is drivingly connected to one end of the transmission rotating shaft 8, and the L-shaped frame 1 is obliquely arranged on the rear frame. The difference between the transmission components in the L-shaped frame 1 and those in Embodiment 1 is that the distances between the pressing wheel rotating shaft Ⅰ2 and the intermediate rotating shaft 5 and between the pressing wheel rotating shaft Ⅱ3 and the intermediate rotating shaft 5 are adjustable. Thus, by respectively adjusting the distances between the pressing wheel rotating shaft Ⅰ2 and the intermediate rotating shaft 5 and between the pressing wheel rotating shaft Ⅱ3 and the intermediate rotating shaft 5, and in cooperation with the oblique arrangement of the L-shaped frame 1, the height difference between the pressing wheels 4 on the pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3 can be respectively controlled. That is, according to the requirement of the degree of soil compaction for the seeds, the heights of the middle rotating shaft 5 in front of the furrow opening disc 6 and the seeder and the middle rotating shaft 5 behind the furrow opening disc 6 and the seeder are respectively adjusted. The middle rotating shaft 5 in the front can be used to initially compact the soil, facilitating the furrow opening operation of the furrow opening disc 6 and the seeding of the seeder. The height setting of the middle rotating shaft 5 behind the furrow opening disc 6 and the seeder is set according to the type of seeds. For example, when the seeder sows corn seeds, since corn seeds generally require a relatively deep sowing depth during sowing, and during compaction, it is necessary to ensure that the soil is not overly compacted during the compaction process while providing sufficient compaction force. When the seeder sows soybean seeds, since soybean seeds generally require a relatively shallow sowing depth during sowing, and during compaction, attention should be paid to avoiding overly compacting the soil so as not to affect the respiration and growth of soybeans. After setting the height values of the seeder and the furrow opening disc 6 on the rear frame for the sowing of different seeds, the height values of the two pressing wheels 4 can be further specifically set to adapt to the rotary seeding operation of different seeds.

[0036] The transverse part of the L-shaped frame 1 is provided with sliding grooves Ⅰ101 on both sides of the intermediate rotating shaft 5. The pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3 respectively penetrate through the two sliding grooves Ⅰ101, and sliding sleeves 102 that are movably sleeved with the sliding grooves Ⅰ101 are respectively arranged on the pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3. The sliding sleeves 102 are movably sleeved with the pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3 through bearings, and baffles 10 are arranged on both sides of the L-shaped frame 1 on the pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3. Through the limiting action of the baffles 10, in cooperation with the movement of the sliding sleeves 102 sleeved on the pressing wheel rotating shaft Ⅰ2 and the pressing wheel rotating shaft Ⅱ3 in the sliding grooves Ⅰ101, it is convenient to adjust the positions of the pressing wheel rotating shaft Ⅰ2, the positioning gear Ⅰ201, the pressing wheel rotating shaft Ⅱ3, and the positioning gear Ⅱ301, and at the same time, it does not affect the rotation of the pressing wheel rotating shaft Ⅰ2 driven by the positioning gear Ⅰ201 and the rotation of the pressing wheel rotating shaft Ⅱ3 driven by the positioning gear Ⅱ301.

[0037] A limiting plate 11 located between the positioning gear II 301 and the baffle 10 is fixedly mounted on the pressure roller shaft II 3, and limiting gears 12 located on both sides of the positioning gear II 301 are arranged on the limiting plate 11. A guide shaft I 13 located below the input shaft 7 is movably mounted on the L-shaped frame 1 through a bearing, and the guide shaft I 13 is located on the horizontal side of the pressure roller shaft II 3. A guide gear I 14 located on the horizontal side of the limiting gear 12 is fixedly mounted on the guide shaft I 13. A slide groove II 103 located between the input shaft 7 and the guide shaft I 13 is provided at the beginning of the longitudinal portion of the L-shaped frame 1. A passive shaft 15 is movably mounted in the slide groove II 103, and a slide groove II 103 is also provided between the passive shaft 15 and the slide groove II 103. The slide groove II 103 is movably connected with the passive shaft 15 through a bearing. A passive gear 16 located above the guide gear I 14 is fixedly installed on the passive shaft 15. A guide shaft II 17 located obliquely above the guide shaft I 13 is fixedly installed on the L-shaped frame 1. The guide shaft II 17 is close to the inner angle of the L-shaped frame 1, and a guide gear II 18 is fixedly installed on the guide shaft II 17. The centers of the positioning gear I 201, the two limiting gears 12, the positioning gear II 301, the guide gear I 14 and the passive gear 16 are located on the same plane, and the positioning gear I 201, the two limiting gears 12, the positioning gear II 301, the guide gear I 14 and the passive gear 16 are connected through a chain I 19.

[0038] A guide gear 20 located between the guide gear Ⅰ14 and the L-shaped frame 1 is also fixedly installed on the guide shaft Ⅰ13, and a guide gear Ⅱ21 located between the guide gear Ⅱ18 and the L-shaped frame 1 is also fixedly installed on the guide shaft Ⅱ17. The centers of the intermediate gear 501, the guide gear 20, the input gear 701 and the guide gear Ⅱ21 are located on the same plane, and the intermediate gear 501, the guide gear 20, the input gear 701 and the guide gear Ⅱ21 are connected through a chain Ⅱ22.

[0039] Through the transmission connection of chain II 22, the input gear 701 can drive the guide gear 20 and the intermediate gear 501 to rotate, and then drive the trenching disc 6 installed on the intermediate gear 501 to rotate for trenching operations. At the same time, the guide gear 20 drives the guide shaft I13 and the guide gear I14 to rotate, and then through the transmission of chain I19, drives the passive gear 16, the limiting gear 12, the positioning gear II301 and the positioning gear I201 to rotate together. The setting of the two limiting gears 12 ensures that the contact angle between the chain I19 and the positioning gear II301 is sufficient to prevent the positioning gear II301 from slipping.

[0040] When the position of the press wheel 4 on the press wheel rotating shaft I 2 is required, that is, the position of the positioning gear I 201 is synchronously adjusted. For example, when it is necessary to move the positioning gear I 201 to the upper left, the corresponding passive gear 16 moves downward, which can ensure that the chain I 19 between the passive gear 16 and the positioning gear I 201 remains in a tensioned state, so that after the positioning gear I 201 adjusts its position, it can still rotate under the drive of the chain I 19, and then the press wheel 4 installed on the press wheel rotating shaft I 2 rotates accordingly. When the position of the press wheel 4 on the press wheel rotating shaft II 3 is required to be adjusted, that is, the position of the positioning gear II 301 is synchronously adjusted, and the positioning gear I 201 and the passive gear 16 remain fixed, and only the movement of the positioning gear II 301 needs to be controlled.

[0041] Limit strips 23 are fixedly installed on the inner wall of the L-shaped frame 1 on both sides of the sliding groove I 101. A number of equally spaced limit holes 231 are provided on the limit strips 23. A limiting disk 24 is fixedly installed on the press wheel rotating shaft I 2. At least one limiting screw shaft 25 is threadedly sleeved on the upper and lower sides of the limiting disk 24 and the limiting plate 11 respectively. By engaging the limiting screw shaft 25 on the limiting disk 24 with the limit holes 231 on the limit strips 23, the positioning gear I 201 and the positioning gear II 301 are respectively fixed, and then the press wheel rotating shaft I 2 and the press wheel rotating shaft II 3 are fixed, so that the press wheel 4 after adjusting its position is fixed.

[0042] Blocking blocks 26 are fixedly sleeved on the passive rotating shaft 15 on both sides of the L-shaped frame 1. The two blocking blocks 26 limit the passive rotating shaft 15 to ensure that the passive rotating shaft 15 only moves longitudinally along the sliding sleeve 102. Convex blocks 261 are respectively provided on both sides of the blocking blocks 26. L-shaped fixing plates 27 are fixedly installed on the inner wall of the L-shaped frame 1 on both sides of the passive gear 16. A threaded rod 28 is fixedly installed between the two L-shaped fixing plates 27. The two threaded rods 28 are respectively movably sleeved with the two L-shaped fixing plates 27 on both sides of the passive gear 16. Two adjusting nuts 29 are threadedly sleeved on the threaded rod 28. The two adjusting nuts 29 are respectively arranged on the upper and lower sides of the convex block 261. By setting the adjusting nuts 29 on the upper and lower sides of the convex block 261, the whole of the convex block 261, the blocking block 26, the passive rotating shaft 15 and the passive gear 16 can be fixed, so that while the position of the passive gear 16 is adjustable, it can also be stably fixed.

Claims

1. An L-shaped transmission structure of a rotary seeding and furrowing integrated machine, comprising a front frame and a rear frame, wherein the rear frame is provided with two pressing wheels (4), and the rear frame is also provided with a furrowing disc (6) and a seed drill located between the two pressing wheels (4), characterized in that: An L-shaped frame (1) is provided on the rear frame, a transmission assembly is provided in the L-shaped frame (1), and the transmission assembly in the L-shaped frame (1) is connected to the rotary tillage equipment on the front frame via a transmission shaft (8), and the transmission assembly is also connected to the two pressing wheels (4) and the furrowing disc (6); When in use, the two pressing wheels (4) and the furrowing disc (6) rotate synchronously with the rotary tillage equipment on the front frame through the transmission of the transmission shaft (8) and the transmission assembly in the L-shaped frame (1); The transmission assembly comprises a pressure wheel shaft I (2) and a pressure wheel shaft II (3) respectively arranged at two lateral ends of the L-shaped frame (1); the two pressure wheels (4) are respectively fixedly mounted on the pressure wheel shaft I (2) and the pressure wheel shaft II (3); the pressure wheel shaft I (2) is fixedly mounted with a positioning gear I (201) located in the L-shaped frame (1); the pressure wheel shaft II (3) is fixedly mounted with a positioning gear II (301) located in the L-shaped frame (1); the middle section of the lateral part of the L-shaped frame (1) is movably sleeved with an intermediate shaft (5); the intermediate shaft (5) is fixedly mounted with an intermediate gear (501) located in the L-shaped frame (1); the longitudinal top end of the L-shaped frame (1) is movably sleeved with an input shaft (7) through a bearing; one end of the input shaft (7) is fixedly mounted with a helical gear located inside the L-shaped frame (1); the helical gear is transmission-connected to the transmission shaft (8); the input shaft (7) is fixedly mounted with an input gear (701); The number of the L-shaped frames (1) is set to two, and the two L-shaped frames (1) are arranged on both sides of the rear frame. The bevel gear on the input shaft (7) in one of the L-shaped frames (1) is transmission-connected to one end of the transmission shaft (8), and the L-shaped frame (1) is tilted on the rear frame. The spacing between the pressure roller shaft I (2) and the pressure roller shaft II (3) and the intermediate shaft (5) can be adjusted, and the positioning gear I (201) and the positioning gear II (301) are transmission-connected via a chain I (19).

2. The L-shaped transmission structure of the rotary seeding and furrowing integrated machine according to claim 1, characterized in that: The transverse portion of the L-shaped frame (1) is provided with a slide groove I (101) located on both sides of the middle rotating shaft (5); the pressure roller rotating shaft I (2) and the pressure roller rotating shaft II (3) respectively penetrate the two slide grooves I (101); and the pressure roller rotating shaft I (2) and the pressure roller rotating shaft II (3) are respectively provided with a sliding sleeve (102) movably sleeved with the slide groove I (101); the sliding sleeve (102) is movably sleeved with the pressure roller rotating shaft I (2) and the pressure roller rotating shaft II (3) via a bearing; and the pressure roller rotating shaft I (2) and the pressure roller rotating shaft II (3) are both provided with a baffle (10) located on both sides of the L-shaped frame (1).

3. The L-shaped transmission structure of the rotary seeding and furrowing integrated machine according to claim 2, characterized in that: The pressure roller shaft II (3) is fixedly sleeved with a limiting plate (11) located between the positioning gear II (301) and the baffle (10), and the limiting plate (11) is provided with limiting gears (12) located on both sides of the positioning gear II (301). The L-shaped frame (1) is movably sleeved with a guide shaft I (13) located below the input shaft (7) through a bearing, and the guide shaft I (13) is located on the horizontal side of the pressure roller shaft II (3). The guide shaft I (13) is fixedly mounted with a guide gear I (14) located on the horizontal side of the limiting gear (12). The longitudinal portion of the L-shaped frame (1) begins with a slide groove II (103) located between the input shaft (7) and the guide shaft I (13), and a passive shaft (15) is movably sleeved in the slide groove II (103), and the passive shaft (15) is rotatably connected to the slide groove II (103). 3) is also provided with a slide groove II (103), the slide groove II (103) and the passive shaft (15) are movably sleeved through a bearing, a passive gear (16) located above the guide gear I (14) is fixedly mounted on the passive shaft (15), a guide shaft II (17) located obliquely above the guide shaft I (13) is fixedly mounted on the L-shaped frame (1), a guide gear II (18) is fixedly mounted on the guide shaft II (17), the centers of the positioning gear I (201), the two limiting gears (12), the positioning gear II (301), the guide gear I (14) and the passive gear (16) are located on the same plane, and the positioning gear I (201), the two limiting gears (12), the positioning gear II (301), the guide gear I (14) and the passive gear (16) are connected by a chain I (19) for transmission.

4. The L-shaped transmission structure of the rotary seeding and furrowing integrated machine according to claim 3, characterized in that: The guide shaft I (13) is also fixedly mounted with a guide gear (20) located between the guide gear I (14) and the L-shaped frame (1); the guide shaft II (17) is also fixedly mounted with a guide gear II (21) located between the guide gear II (18) and the L-shaped frame (1); the centers of the intermediate gear (501), the guide gear (20), the input gear (701) and the guide gear II (21) are located on the same plane, and the intermediate gear (501), the guide gear (20), the input gear (701) and the guide gear II (21) are connected by a chain II (22).

5. The L-shaped transmission structure of the rotary seeding and furrowing integrated machine according to claim 4, characterized in that: The inner wall of the L-shaped frame (1) is fixedly provided with a limit strip (23) located at the upper and lower sides of the slide groove I (101), and the limit strip (23) is provided with a plurality of limit holes (231) arranged at equal intervals. A limit plate (24) is fixedly provided on the pressure wheel shaft I (2), and at least one limit screw shaft (25) is respectively threadedly sleeved on the upper and lower sides of the limit plate (24) and the limit plate (11), and the limit screw shaft (25) is clamped with the limit hole (231).

6. The L-shaped transmission structure of the rotary seeding and furrowing integrated machine according to claim 5, characterized in that: The passive rotating shaft (15) is fixedly sleeved with a stopper (26) located on both sides of the L-shaped frame (1), and convex blocks (261) are respectively provided on both sides of the stopper (26). An L-shaped fixing plate (27) located on the upper and lower sides of the passive gear (16) is fixedly installed on the inner wall of the L-shaped frame (1), and a threaded rod (28) is fixedly installed between the two L-shaped fixing plates (27). The two threaded rods (28) are movably sleeved with the two L-shaped fixing plates (27) on both sides of the passive gear (16), and two adjusting nuts (29) are respectively sleeved on the threaded rod (28), and the two adjusting nuts (29) are respectively arranged on the upper and lower sides of the convex block (261).

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