Seeding furrow opener

Abstract

The utility model relates to the technical field of agricultural mechanical equipment, in particular to a seeding furrow opener, a traction frame comprises an upper frame and a lower frame, a traction mechanism is fixedly arranged in the middle of one side of the upper frame, and connecting components are symmetrically arranged on one side of the lower frame; a plurality of ditching assemblies are arranged on one side of the lower frame at intervals, a plurality of ditching assemblies are arranged on the other side of the lower frame at intervals, and the ditching assemblies on the two sides of the lower frame are arranged in a staggered mode. Moving mechanisms are arranged at the two ends of the traction frame, each moving mechanism comprises a fixed square pipe, an adjusting rod, a moving wheel assembly and a locking assembly, the fixed square pipes are fixedly arranged on the traction frame, the adjusting rods are arranged in the fixed square pipes in a sleeved mode, the lower ends of the adjusting rods are connected with the moving wheel assemblies, and the locking assemblies are arranged on the outer sides of the fixed square pipes. According to the furrow opener, furrows can be flexibly and efficiently formed, the depth of the formed furrows can be conveniently adjusted, and meanwhile the distance between the adjacent furrows can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and equipment, in particular to a seeding furrow opener. Background Art

[0002] Furrow opening refers to the process of using tools such as hoes to draw ridge furrows during seed sowing. In agricultural scientific research work, when agricultural technicians carry out outdoor field experiments, they need to open ridge furrows with a certain depth and width according to agricultural technical requirements. Among them, the traditional method of using a hoe to open furrows cannot well control the depth of the ridge furrows, resulting in inconsistent sowing depths, affecting the accuracy of test results, being time-consuming and laborious, and the widths between the ridge furrows are also inconsistent; therefore, currently, a furrow opener is mostly used to achieve the purpose of furrow opening. The tractor pulls the furrow opener through a pulling arm to achieve the effect of furrow opening. Although the furrow opener in the prior art can open ridge furrows with a certain depth and width, it is inconvenient to adjust the depth of the opened ridge furrows and the spacing between adjacent ridge furrows, and it cannot be applied to the furrow opening for sowing different types of seeds. Summary of the Invention

[0003] In order to solve the problem that the prior furrow opener is inconvenient to adjust the depth of the ridge furrows and the spacing between adjacent ridge furrows, the utility model provides a seeding furrow opener, which can not only flexibly and efficiently open ridge furrows, but also is convenient to adjust the depth of the opened ridge furrows, and at the same time is convenient to adjust the spacing between adjacent ridge furrows, and can be applied to the furrow opening for sowing different types of seeds.

[0004] In order to achieve the above purpose, the technical solution of the utility model is: a seeding furrow opener, including a towing frame, the towing frame includes an upper frame and a lower frame, a towing mechanism is fixedly arranged in the middle of one side of the upper frame, and connecting components are symmetrically arranged on one side of the lower frame. The towing mechanism and the connecting components can be connected to the pulling arm connected to the tractor, so that the tractor can pull the furrow opener to move through the pulling arm, thereby achieving the purpose of furrow opening.

[0005] A plurality of furrow opening components are arranged at intervals on one side of the lower frame, and a plurality of furrow opening components are arranged at intervals on the other side of the lower frame. The furrow opening components on both sides of the lower frame are arranged in a staggered manner, and the furrow opening components are detachably connected to the lower frame. The purpose of opening ridge furrows is achieved through the furrow opening components, and at the same time, the furrow opening components are detachably installed on the lower frame, which is convenient to adjust the position of the furrow opening components on the lower frame, thereby achieving the effect of being convenient to adjust the spacing between adjacent ridge furrows.

[0006] Both ends of the traction frame are provided with moving mechanisms. Each moving mechanism includes a fixed square tube, an adjusting rod, a moving wheel assembly, and a locking assembly. The fixed square tube is fixedly arranged on the traction frame. The adjusting rod is sleeved inside the fixed square tube, and its lower end is connected to the moving wheel assembly. The locking assembly is arranged on the outside of the fixed square tube. The moving wheel assembly facilitates the movement of the ditch opener, and through the cooperation of the locking assembly with the fixed square tube and the adjusting rod, the height of the moving wheel assembly can be adjusted, thereby achieving the effect of adjusting the depth of the ridge ditch opened by the ditch opening assembly.

[0007] Furthermore, the traction frame further includes connecting columns. A plurality of the connecting columns are arranged between the upper frame and the lower frame. The two ends of each connecting column are respectively connected to the upper frame and the lower frame. The connecting columns cooperate with the upper frame and the lower frame to form the traction frame.

[0008] Furthermore, the traction mechanism includes a traction component and a fixing component. The traction component includes two vertical columns, a vertical plate, and a first connecting plate. The two vertical columns are both fixedly arranged on the top of the upper frame, and a reinforcing rib is arranged at the connection of the vertical column and the upper frame; the vertical plate is fixedly arranged on the top of the vertical column, and a reinforcing plate is arranged at the connection of the vertical plate and the vertical column; the first connecting plate is fixedly arranged on the inner side of the vertical plate, and a fixing pin is arranged between the two first connecting plates. The traction component is connected to the drawbar on the tractor so that the tractor drives the ditch opener to move through the drawbar.

[0009] Furthermore, the fixing component includes an intermediate shaft, a reinforcing rod, and a reinforcing tube. The intermediate shaft is fixedly arranged between the two vertical plates. The two ends of the reinforcing rod are respectively connected to the intermediate shaft and the lower frame, and the two ends of the reinforcing tube are respectively connected to the reinforcing rod and the upper frame. The fixing component plays a role in stabilizing and strengthening the traction frame.

[0010] Furthermore, the connecting component includes a connecting cross column and a second connecting plate. The connecting cross column is fixedly arranged on the top of the lower frame. The second connecting plate is fixedly arranged at one end of the connecting cross column away from the lower frame. A connecting pin is vertically arranged on the second connecting plate, and a pin hole is opened at the end of the connecting pin. The drawbar on the tractor can be connected through the connecting pin of the connecting component so that the tractor drives the ditch opener to move through the drawbar.

[0011] Furthermore, the ditch opening component includes a fixed tube and a ditch opening shovel. The lower end of the fixed tube is fixedly connected to the ditch opening shovel, and an arc-shaped plate is fixedly arranged inside the ditch opening shovel. The ditch opening shovel serves the purpose of opening a ridge ditch, and the arc-shaped plate plays a role in stabilizing and strengthening the ditch opening shovel to prevent the ditch opening shovel from deforming during the process of opening the ridge ditch.

[0012] Furthermore, a plurality of hoop assemblies for fixing the ditching assembly are arranged on the lower frame. The hoop assembly includes a fastening plate and two U-shaped rods. Both ends of the U-shaped rods are slidably sleeved on the fastening plate. The two U-shaped rods are respectively located on the upper and lower sides of the lower frame. Fastening nuts are arranged at both ends of the U-shaped rods, and the fixing pipe is sleeved inside the U-shaped rods. The cooperation between the fixing plate and the U-shaped rods is used to fix the fixing pipe. At the same time, the fixing plate can be detachably fixed to the pipe by loosening the fastening nuts, and the height of the ditching shovel can also be adjusted to achieve the effect of adjusting the depth of the ridge ditch dug by the ditching shovel.

[0013] Furthermore, the moving wheel assembly includes a lower fixing rod, a fixed cross bar and a moving wheel. The lower fixing rod is fixedly arranged at the bottom of the adjusting rod, the fixed cross bar is fixedly arranged at the bottom of the lower fixing rod, and the moving wheel is rotatably arranged at one end of the fixed cross bar. The moving wheel is used to facilitate the movement of the ditching machine.

[0014] Furthermore, the locking assembly includes a fixing nut and a tightening bolt. The fixing nut is fixedly arranged on the outer side of the fixed square pipe, the tightening bolt is threadedly connected with the fixing nut, and one end of the tightening bolt passes through the fixed square pipe and abuts against the adjusting rod. The tightening bolt is used to fix the adjusting rod, so as to achieve the effect of fixing the moving wheel assembly; after loosening the tightening bolt, the adjusting rod moves in the fixed square pipe to achieve the effect of adjusting the height of the moving wheel assembly, and further achieve the effect of adjusting the depth of the ridge ditch dug by the ditching shovel.

[0015] Through the above technical solutions, the beneficial effects of the present utility model are as follows:

[0016] The structure of the present utility model is reasonable and has good use effects. It can not only flexibly and efficiently dig ridge ditches, but also facilitate the adjustment of the depth of the dug ridge ditches. At the same time, it is also convenient to adjust the spacing between adjacent ridge ditches, and it can be applied to the ditching for sowing different types of seeds, solving the problems that the existing ditching machine is inconvenient to adjust the depth of the ridge ditch and the spacing between adjacent ridge ditches.

[0017] The present utility model is connected to the pull arm on the tractor through the connecting assembly and the traction assembly of the traction mechanism, so that the tractor can pull the traction frame through the pull arm to move, so that the ditching shovel of the ditching assembly on the lower frame can achieve the purpose of ditching.

[0018] The fixing plate and the U-shaped rod of the hoop assembly of the present utility model serve the purpose of fixing the fixing pipe. The fixing plate can be fixed or loosened through the fastening nut to achieve the purpose of disassembling and assembling the fixing pipe. At the same time, after loosening the fixing plate, the height of the ditching shovel can be adjusted to achieve the effect of adjusting the depth of the ridge ditch dug by the ditching shovel; at the same time, the position of the ditching assembly can also be changed by changing the position of the hoop assembly installed on the lower frame, so as to achieve the effect of adjusting the spacing between adjacent ridge ditches.

[0019] The mobile wheel assembly of the present utility model facilitates the movement of the ditch opener. The tightening bolt of the locking assembly serves to fix the adjusting rod, thereby achieving the effect of fixing the mobile wheel assembly. At the same time, after loosening the tightening bolt, the adjusting rod can move within the fixed square tube, enabling the adjustment of the height of the mobile wheel assembly and achieving the effect of adjusting the depth of the ridge ditch dug by the ditch shovel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural view of the seeding and ditch opening device of the present utility model Figure 1 ;

[0021] Figure 2 is a schematic structural view of the seeding and ditch opening device of the present utility model Figure 2 ;

[0022] Figure 3 is a schematic structural view of the seeding and ditch opening device of the present utility model Figure 3 ;

[0023] Figure 4 is a schematic structural view of the seeding and ditch opening device of the present utility model Figure 4 ;

[0024] Figure 5 is a schematic structural view of the ditch opening assembly of the present utility model;

[0025] Figure 6 is Figure 1 an enlarged structural view of the position A in

[0026] Figure 7 is Figure 2 an enlarged structural view of the position B in.

[0027] The reference numerals in the drawings are: 1 is the upper frame, 2 is the lower frame, 3 is the connecting column, 4 is the vertical column, 5 is the reinforcing rib, 6 is the intermediate shaft, 7 is the reinforcing rod, 8 is the reinforcing pipe, 9 is the vertical plate, 10 is the first connecting plate, 11 is the fixing pin, 12 is the reinforcing plate, 13 is the connecting cross column, 14 is the second connecting plate, 15 is the connecting pin, 16 is the pin hole, 17 is the U-shaped rod, 18 is the fastening plate, 19 is the fastening nut, 20 is the fixing pipe, 21 is the ditch shovel, 22 is the fixed square tube, 23 is the adjusting rod, 24 is the lower fixing rod, 25 is the fixed cross bar, 26 is the mobile wheel, 27 is the fixing nut, 28 is the tightening bolt, and 29 is the arc-shaped plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present utility model will be further described below in conjunction with the drawings and specific embodiments:

[0029] As Figures 1 to 7As shown in the figure, the seeding furrow opener includes a towing frame. The towing frame includes an upper frame 1 and a lower frame 2. A towing mechanism is fixedly arranged in the middle of one side of the upper frame 1, and connecting components are symmetrically arranged on one side of the lower frame 2. In this embodiment, the towing mechanism and the connecting components are located on the same side of the towing frame. The number of the connecting components is two. Both the towing mechanism and the connecting components are used to connect the draw arm at the rear end of the tractor, so that the towing frame is driven to move during the travel of the tractor.

[0030] A plurality of furrow opening components are arranged at intervals on one side of the lower frame 2, and a plurality of furrow opening components are arranged at intervals on the other side of the lower frame 2. The furrow opening components on both sides of the lower frame 2 are arranged in a staggered manner, and the furrow opening components are detachably connected to the lower frame 2. In this embodiment, the number of the furrow opening components is six, and six ridge furrows can be opened simultaneously. Among them, four furrow opening components are installed on one side of the lower frame 2 and two furrow opening components are installed on the other side. The purpose of arranging the furrow opening components on both sides of the lower frame 2 in a staggered manner is to make the distance between adjacent ridge furrows the same. The furrow opening components are detachably installed on the lower frame 2, which is convenient for adjusting the position of the furrow opening components on the lower frame 2 to achieve the purpose of adjusting the distance between adjacent ridge furrows.

[0031] Moving mechanisms are arranged at both ends of the towing frame. The moving mechanism includes a fixed square tube 22, an adjusting rod 23, a moving wheel assembly and a locking assembly. The fixed square tube 22 is fixedly arranged on the towing frame. The adjusting rod 23 is sleeved inside the fixed square tube 22, and the lower end thereof is connected to the moving wheel assembly. The locking assembly is arranged on the outside of the fixed square tube 22. In this embodiment, the moving mechanism is installed at the edge of the end of the towing frame. The moving mechanism facilitates the towing frame to follow the tractor during travel. The fixed square tube 22 is welded and fixed on the towing frame. The locking assembly plays a role in fixing the adjusting rod 23. When adjusting the depth of the ridge furrow opened by the furrow opening component, the adjusting rod 13 can be loosened through the locking assembly so that the adjusting rod 13 can move inside the fixed square tube 22. By adjusting the length of the lower end of the adjusting rod 13 extending out of the fixed square tube 22, the height of the moving wheel assembly can be adjusted, so as to achieve the effect of adjusting the depth of the ridge furrow opened by the furrow opening component.

[0032] The towing frame further includes a connecting column 3. A plurality of the connecting columns 3 are arranged between the upper frame 1 and the lower frame 2. The two ends of the connecting column 3 are respectively connected to the upper frame 1 and the lower frame 2. In this embodiment, the number of the connecting columns 3 is eight. The two ends of the connecting column 3 are respectively welded and fixed to the upper frame 1 and the lower frame 2. The towing frame is formed by the cooperation of the connecting column 3 with the upper frame 1 and the lower frame 2.

[0033] The traction mechanism includes a traction component and a fixing component. The traction component includes two vertical columns 4, a vertical plate 9, and a first connecting plate 10. The two vertical columns 4 are both fixedly arranged at the top of the upper frame 1. A reinforcing rib 5 is arranged at the connection between the vertical column 4 and the upper frame 1. The vertical plate 9 is fixedly arranged at the top of the vertical column 4. A reinforcing plate 12 is arranged at the connection between the vertical plate 9 and the vertical column 4. The first connecting plate 10 is fixedly arranged inside the vertical plate 9. A fixing pin 11 is arranged between the two first connecting plates 10. In this embodiment, the fixing pin 11 of the traction component is used to connect the drawbar at the rear end of the tractor. When the tractor pulls the traction frame forward, the drawbar at the rear end of the tractor rotates and is sleeved on the fixing pin 11 and is located between the two first connecting plates 10. Both ends of the reinforcing rib 5 are welded and fixed to the lower frame 1 and the vertical column 4, playing a role in stabilizing and strengthening the connection between the vertical column 4 and the lower frame 1. The reinforcing plate 12 is welded and fixed to the vertical plate 9 and the vertical column 4. The reinforcing plate 12 is located on one side of the vertical plate 9. The first connecting plate 10 is welded and fixed to the vertical plate 9.

[0034] The fixing component includes an intermediate shaft 6, a reinforcing rod 7, and a reinforcing tube 8. The intermediate shaft 6 is fixedly arranged between the two vertical plates 9. Both ends of the reinforcing rod 7 are respectively connected to the intermediate shaft 6 and the lower frame 2. Both ends of the reinforcing tube 8 are respectively connected to the reinforcing rod 7 and the upper frame 1. In this embodiment, the lower end of the reinforcing plate 7 is installed obliquely downward and is welded and fixed to the top of the lower frame 2. The reinforcing tube 8 is vertically installed on the reinforcing rod 7. Both ends of the reinforcing tube 8 are respectively welded and fixed to the reinforcing rod 7 and the upper frame 1. The reinforcing rod 7 and the reinforcing tube 8 play a role in stabilizing and strengthening the traction frame.

[0035] The connecting component includes a connecting cross-column 13 and a second connecting plate 14. The connecting cross-column 13 is fixedly arranged at the top of the lower frame 2. The second connecting plate 14 is fixedly arranged at one end of the connecting cross-column 13 away from the lower frame 2. A connecting pin 15 is vertically arranged on the second connecting plate 14. A pin hole 16 is opened at the end of the connecting pin 15. In this embodiment, when the tractor pulls the traction frame forward, the drawbar at the rear end of the tractor rotates and is sleeved on the connecting pin 15, and a limit pin is inserted at the pin hole 16 to prevent the drawbar from falling off the connecting pin 15.

[0036] The ditching component includes a fixed tube 20 and a ditching shovel 21. The lower end of the fixed tube 20 is fixedly connected to the ditching shovel 21. An arc-shaped plate 29 is fixedly arranged inside the ditching shovel 21. In this embodiment, the lower end of the fixed tube 20 is welded and fixed to the ditching shovel 21. The number of arc-shaped plates 29 in each ditching shovel 21 is two, and the two arc-shaped plates 29 are installed oppositely. The arc-shaped plate 29 is welded and fixed inside the ditching shovel 21, playing a role in stabilizing and strengthening the ditching shovel 21 and preventing the ditching shovel 21 from deforming during the process of opening a ridge ditch.

[0037] A plurality of hoop assemblies for fixing the ditch-opening assembly are arranged on the lower frame 2. The hoop assembly includes a fastening plate 18 and two U-shaped rods 17. Both ends of the U-shaped rod 17 are slidably sleeved on the fastening plate 18. The two U-shaped rods 17 are respectively located on the upper and lower sides of the lower frame 2. Fastening nuts 19 are arranged at both ends of the U-shaped rod 17. The fixing tube 20 is sleeved inside the U-shaped rod 17. In this embodiment, when fixing the ditch-opening assembly, the fixing tube 20 is sleeved inside the two U-shaped rods 17 of the hoop assembly, and then the U-shaped rod 17 is pulled to make the fixing tube 20 closely adhere to the lower frame 2, and then the fastening plate 18 is moved to make the fastening plate 18 closely adhere to the lower frame 2, and then the fastening nut 19 is rotated to fix the fastening plate 18, so as to achieve the purpose of locking the fixing tube 20.

[0038] The moving wheel assembly includes a lower fixing rod 24, a fixed cross bar 25 and a moving wheel 26. The lower fixing rod 24 is fixedly arranged at the bottom of the adjusting rod 23. The fixed cross bar 25 is fixedly arranged at the bottom of the lower fixing rod 24. The moving wheel 26 is rotatably arranged at one end of the fixed cross bar 25. In this embodiment, the moving wheel 26 is located outside the towing frame, and the moving wheel 26 facilitates the tractor to drive the towing frame to move.

[0039] The locking assembly includes a fixed nut 27 and a top bolt 28. The fixed nut 27 is fixedly arranged outside the fixed square tube 22. The top bolt 28 is threadedly connected with the fixed nut 27. One end of the top bolt 28 passes through the fixed square tube 22 and abuts against the adjusting rod 23. In this embodiment, the fixed nut 27 is welded and fixed outside the fixed square tube 22. When adjusting the depth of the ridge ditch opened by the ditch-opening shovel 21, the top bolt 28 is rotated to loosen the adjusting rod 23, and then the adjusting rod 23 is pulled upward or pushed downward to change the length of the lower end of the adjusting rod 23 extending out of the fixed square tube 22, so as to achieve the purpose of adjusting the height of the moving wheel 26, and further achieve the effect of adjusting the depth of the ridge ditch opened by the ditch-opening shovel 21.

[0040] When the utility model is in use, the draw arms at the rear end of the tractor are respectively rotatably sleeved on the fixing pin 11 and the two connecting pins 15, and a limit pin is inserted at the pin hole 16. Then, during the process of the tractor moving forward, the towing frame can be driven to move synchronously through the draw arms. During the process of the towing frame following the tractor moving forward, the moving wheel 26 contacts the field, and the ditch-opening shovels 21 of the six ditch-opening assemblies on the lower frame 2 open six ridge ditches, and the distance between adjacent ridge ditches is the same.

[0041] When adjusting the spacing between adjacent furrows, the position of the ditching component is adjusted through the hoop assembly on the lower frame 2. Specifically, the fastening nut 19 on the U-shaped rod 17 of the hoop assembly is rotated to loosen it, so that the two U-shaped rods 17 can slide on the lower frame 2. When the U-shaped rod 17 reaches the required position, the fastening plate 18 is moved to make the fastening plate 18 closely adhere to the lower frame 2. Then, the fastening nut 19 is rotated again to fix the fastening plate 18, thereby achieving the purpose of locking and fixing the fixed pipe 20. The positions of each hoop assembly are adjusted in sequence to achieve the purpose of adjusting the spacing between adjacent furrows.

[0042] When adjusting the depth of the furrow dug by the ditching shovel 21, the height of the ditching shovel 21 can be adjusted by adjusting the fixed pipe 20 to achieve the purpose of adjusting the depth of the furrow dug by the ditching shovel 21. That is, the fastening nut 19 on the U-shaped rod 17 of the hoop assembly is rotated to loosen it to loosen the fastening plate 18, so that the fixed pipe 20 can slide up and down within the U-shaped rod 17. Then, the fixed pipe 20 is pulled upward or pushed downward to achieve the purpose of adjusting the height of the ditching shovel 21, and further achieve the effect of adjusting the depth of the furrow dug by the ditching shovel 21. The length of the lower end of the adjusting rod 23 extending out of the fixed square pipe 22 can also be adjusted through the locking assembly to achieve the purpose of adjusting the depth of the furrow dug by the ditching shovel 21. Specifically, the tightening bolt 28 is rotated to loosen the tightening bolt 28 from the adjusting rod 23. Then, the adjusting rod 23 is pulled upward or pushed downward to change the length of the lower end of the adjusting rod 23 extending out of the fixed square pipe 22, achieving the purpose of adjusting the height of the moving wheel 26, and further achieving the effect of adjusting the depth of the furrow dug by the ditching shovel 21.

[0043] The above-described embodiments are only the preferred embodiments of the utility model, and do not limit the scope of implementation of the utility model. Therefore, any equivalent changes or modifications made to the technical solutions described within the scope of the utility model patent should be included within the scope of the utility model patent application.

Claims

1. A sowing furrow opener, comprising a traction frame, characterized in that: The traction frame comprises an upper frame (1) and a lower frame (2); a traction mechanism is fixedly arranged in the middle of one side of the upper frame (1); and a connection assembly is symmetrically arranged on one side of the lower frame (2); A plurality of trenching assemblies are arranged at intervals on one side of the lower frame (2), and a plurality of trenching assemblies are arranged at intervals on the other side of the lower frame (2). The trenching assemblies on both sides of the lower frame (2) are arranged in a staggered manner, and the trenching assemblies are detachably connected to the lower frame (2); Both ends of the traction frame are provided with a moving mechanism, the moving mechanism comprising a fixed square tube (22), an adjusting rod (23), a moving wheel assembly and a locking assembly, the fixed square tube (22) is fixedly arranged on the traction frame, the adjusting rod (23) is sleeved inside the fixed square tube (22) and the lower end is connected to the moving wheel assembly, and the locking assembly is arranged outside the fixed square tube (22).

2. The sowing furrow opener according to claim 1, characterized in that: The traction frame further comprises a connecting column (3), a plurality of the connecting columns (3) are arranged between the upper frame (1) and the lower frame (2), and two ends of the connecting column (3) are respectively connected to the upper frame (1) and the lower frame (2).

3. The sowing furrow opener according to claim 1, characterized in that: The traction mechanism comprises a traction component and a fixing component, wherein the traction component comprises two vertical columns (4), a vertical plate (9) and a connecting plate 1 (10), wherein the two vertical columns (4) are fixedly arranged on the top of the upper frame (1), and a reinforcing rib (5) is arranged at the connection between the vertical columns (4) and the upper frame (1); the vertical plate (9) is fixedly arranged on the top of the vertical column (4), and a reinforcing plate (12) is arranged at the connection between the vertical plate (9) and the vertical column (4); the connecting plate 1 (10) is fixedly arranged on the inner side of the vertical plate (9), and a fixing pin (11) is arranged between the two connecting plates 1 (10).

4. The sowing furrow opener according to claim 3, characterized in that: The fixing assembly comprises an intermediate shaft (6), a reinforcing rod (7) and a reinforcing tube (8); the intermediate shaft (6) is fixedly arranged between the two vertical plates (9); the two ends of the reinforcing rod (7) are respectively connected to the intermediate shaft (6) and the lower frame (2); and the two ends of the reinforcing tube (8) are respectively connected to the reinforcing rod (7) and the upper frame (1).

5. The sowing furrow opener according to claim 1, characterized in that: The connecting assembly comprises a connecting cross column (13) and a second connecting plate (14), wherein the connecting cross column (13) is fixedly arranged on the top of the lower frame (2), and the second connecting plate (14) is fixedly arranged on an end of the connecting cross column (13) away from the lower frame (2), and a connecting pin (15) is vertically arranged on the second connecting plate (14), and a pin hole (16) is formed at the end of the connecting pin (15).

6. The sowing furrow opener according to claim 1, characterized in that: The trenching assembly comprises a fixed pipe (20) and a trenching shovel (21); the lower end of the fixed pipe (20) is fixedly connected to the trenching shovel (21); and an arc-shaped plate (29) is fixedly arranged inside the trenching shovel (21).

7. The sowing furrow opener according to claim 6, characterized in that: A plurality of clamp assemblies for fixing the trenching assembly are arranged on the lower frame (2), the clamp assemblies comprising a fastening plate (18) and two U-shaped rods (17), both ends of the U-shaped rods (17) are slidably mounted on the fastening plate (18), the two U-shaped rods (17) are respectively located on the upper and lower sides of the lower frame (2), both ends of the U-shaped rods (17) are provided with fastening nuts (19), and the fixing tubes (20) are mounted inside the U-shaped rods (17).

8. The seeding furrow opener according to claim 1, characterized in that: The moving wheel assembly comprises a lower fixed rod (24), a fixed cross rod (25) and a moving wheel (26); the lower fixed rod (24) is fixedly arranged at the bottom of the adjusting rod (23); the fixed cross rod (25) is fixedly arranged at the bottom of the lower fixed rod (24); and the moving wheel (26) is rotatably arranged at one end of the fixed cross rod (25).

9. The seeding furrow opener according to claim 1, characterized in that: The locking assembly comprises a fixing nut (27) and a tightening bolt (28); the fixing nut (27) is fixedly disposed on the outside of the fixing square tube (22); the tightening bolt (28) is threadedly connected to the fixing nut (27); one end of the tightening bolt (28) passes through the fixing square tube (22) and is pressed against the adjusting rod (23).

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