Cotton cultivator

Abstract

The utility model discloses a cotton cultivator which comprises a traction frame, an auxiliary wheel assembly, a rotary tillage device and a fertilizing device, a large square beam is fixedly arranged on the rear side of the traction frame, and connecting frames are arranged at the two ends of the large square beam respectively. The rotary tillage device comprises two rotary tillage boxes, a rotary tillage mechanism and a power transmission mechanism, the two rotary tillage boxes are installed on the lower portion of the connecting frame through rotating arms, and the rotary tillage mechanism is arranged in the rotary tillage boxes; the fertilizer applying device comprises a fertilizer box, a fertilizer discharging pipe, fertilizer discharging devices, a first soil loosening plough and a driving device, the fertilizer box is mounted on the rear side of the large square beam through an extension frame, and a plurality of fertilizer discharging devices are arranged at the bottom of the fertilizer box; the rear side of the connecting frame is provided with a connecting arm, one end of the connecting arm is provided with a first soil loosening plough, the outlet of each fertilizer feeder is connected with a corresponding hollow pipe through a fertilizer feeding pipe, and the bottom of each hollow pipe is provided with a plough foot and a fertilizer feeding hole. According to the rotary tillage device, too deep rotary tillage can be prevented, soil is smashed, then fertilizer is applied to the interior of the soil, and the fertilizer applying efficiency and the fertilizer utilization rate are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, and particularly relates to a cotton intertiller. Background Art

[0002] Cotton is an important cash crop with wide uses. It not only occupies a core position in the textile industry, but also plays an important role in many fields such as decoration and food. The cotton intertillage period is an important stage in the growth process of cotton, and the main purpose is to regulate the soil environment and promote the healthy growth of cotton. Intertillage not only includes loosening the soil, but also includes regulating soil temperature, air, moisture and nutrients, which is extremely important for developing strong roots and seedlings. There are few existing machines for the cotton intertillage period and their functions are relatively single. The intertillage link is generally carried out manually. Therefore, a cotton intertiller is designed. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a cotton intertiller.

[0004] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0005] A cotton intertiller includes a traction frame, an auxiliary wheel assembly, a rotary tillage device and a fertilizing device. The traction frame includes two main traction frame plates, a small square beam and a connecting plate. The connecting plates are respectively installed between the upper and lower ends of the two main traction frame plates through the small square beam.

[0006] A large square beam is fixedly installed at the rear side of the traction frame, and connecting frames are respectively arranged at the lower parts of both ends of the large square beam.

[0007] There are two sets of the auxiliary wheel assemblies. Each set includes an auxiliary wheel, a wheel frame and a wheel frame column. The auxiliary wheel is installed at the bottom of the wheel frame column through the wheel frame, and the wheel frame column is installed at the front side of the connecting frame through a height adjusting device.

[0008] The rotary tillage device includes two rotary tillage boxes, a rotary tillage mechanism and a power transmission mechanism for driving the rotary tillage mechanism to work. The two rotary tillage boxes are respectively installed at the lower part of the connecting frame through rotating arms. A rotary tillage mechanism is arranged in the rotary tillage box. The rotary tillage mechanism includes a rotary tillage shaft and rotary tillage blades installed on the rotary tillage shaft.

[0009] The fertilizing device includes a fertilizer box, a fertilizer discharging pipe, a fertilizer discharger, a first soil loosening plow and a driving device for driving the fertilizer discharger to work. The fertilizer box is installed at the rear side of the large square beam through an extension frame, and a plurality of fertilizer dischargers are arranged at the bottom of the fertilizer box. A connecting arm is arranged at the rear side of the connecting frame, and a plurality of first soil loosening plows are installed at one end of the connecting arm. The first soil loosening plow includes a hollow pipe and a plow foot. The outlets of the fertilizer dischargers are respectively connected to the corresponding hollow pipes through the fertilizer discharging pipes. The bottom of the hollow pipe is provided with a plow foot and a fertilizer discharging hole.

[0010] Furthermore, the power transmission mechanism includes a transmission box and two rotary tillage drive shafts. The transmission box is connected to external power and has two output shafts. The two output shafts are respectively connected to the corresponding rotary tillage drive shafts through universal couplings, and each rotary tillage drive shaft is connected to the corresponding rotary tillage shaft through a sprocket and chain drive method.

[0011] Furthermore, the driving device includes a motor, a fertilizer discharging drive shaft, a driving gear and a driven gear. The motor is installed on one side of the fertilizer tank, the fertilizer discharging drive shaft is installed at the lower part of the fertilizer tank, a driving gear is provided at the output end of the motor, a driven gear meshing with the driving gear is provided at one end of the fertilizer discharging drive shaft, and the fertilizer discharging drive shaft penetrates through each fertilizer discharger and is connected to a fertilizer discharging grooved wheel in the fertilizer discharger.

[0012] Furthermore, adjacent hollow tubes are connected by a synchronous rod, and the synchronous rod is connected to the connecting arm through a height adjusting device.

[0013] Furthermore, a second soil loosening plow is also provided in the rotary tillage device, and the second soil loosening plow is arranged before the rotary tillage mechanism.

[0014] Furthermore, a first installation groove is provided on one side of the main board of the traction frame, and the large square beam is fitted with the first installation groove and fixed to the main board of the traction frame through a U-shaped bolt.

[0015] Furthermore, a second installation groove cooperating with the large square beam is provided at the upper part of the connecting frame.

[0016] Furthermore, a shock absorption structure is provided among the rotary tillage box, the rotating arm and the connecting arm. The shock absorption structure includes a mounting plate, a second connecting bar, a first connecting bar, a shock absorption column, a limit pin, a spring, a hinge and a limit block. A mounting plate is provided on the connecting frame. Springs and limit blocks are sleeved at both ends of the shock absorption column passing through the mounting plate. The upper end of the shock absorption column is limited by a limit pin, and the lower end of the shock absorption column is hinged to the first connecting bar through a hinge. The first connecting bar is also hinged to the second connecting bar. The first connecting bar is fixed to the rear side of the rotating arm, and the second connecting bar is fixed to the rotary tillage box.

[0017] Furthermore, a flexible soil retaining plate is provided at the rear side of the rotary tillage box, and the flexible soil retaining plate is made of rubber.

[0018] Furthermore, a ditch plow is also provided at the rear side of the large square beam. Beneficial effects

[0019] 1. The utility model can prevent the rotary tillage blades from tilling too deep by setting two sets of auxiliary wheel sets, making the rotary tillage box parallel to the ground. The rotary tillage mechanism can break up the soil, and the fertilizing device can extend into the soil for fertilization, avoiding the volatilization caused by the direct exposure of chemical fertilizers on the ground surface, reducing nutrient loss, and improving the fertilization efficiency and fertilizer utilization rate. The utility model can be used for post-seedling intertillage, weeding, ditch cleaning, and topdressing in the whole-process mechanized cotton planting process, and is a cotton field management machine integrating multiple functions.

[0020] 2. The fertilizer discharge drive shaft penetrates through each fertilizer discharger and is connected to the fertilizer discharge groove wheel in the fertilizer discharger. By driving the fertilizer discharge drive shaft with a motor, the fertilizer discharge groove wheels in each fertilizer discharger can be driven to rotate simultaneously, realizing synchronous fertilizer discharge.

[0021] 3. The heights of the auxiliary wheels and the first soil loosening plow can be adjusted. The auxiliary wheels can prevent the rotary tillage blades from tilling too deep, making the rotary tillage box parallel to the ground, playing a role in limiting and leveling. By adjusting the height adjustment structure, the depth of the plow feet inserted into the soil can be adjusted to control the fertilization depth. Preferably, the fertilization depth is controlled at 8 - 15 cm.

[0022] 4. By setting the second soil loosening plow, the soil can be turned over first so that the rotary tillage mechanism can break up the turned soil.

[0023] 5. By setting the first installation groove and the second installation groove, it is convenient for assembly and positioning, avoiding loosening during assembly and making the structure more stable.

[0024] 6. By setting the shock absorption structure, equipment damage caused by uneven force or vibration during rotary tillage can be avoided.

[0025] 7. By setting the flexible soil baffle, on the one hand, it can play a role in blocking soil during rotary tillage, and on the other hand, it can level the rotary-tilled soil. Description of the Drawings

[0026] Figure 1 is a schematic structural diagram of a preferred embodiment of the utility model;

[0027] Figure 2 is a transmission schematic diagram of the rotary tillage device and the fertilizing device;

[0028] Figure 3 is Figure 1 a partial enlarged view of;

[0029] Figure 4 is a schematic diagram of the cooperation between the large square beam and the connecting frame;

[0030] In the figure: drawbar 1, large square beam 2, auxiliary wheel assembly 3, extension frame 4, fertilizer tank 5, fertilizer discharging pipe 6, connecting frame 7, rotary tillage box 8, rotating arm 9, connecting arm 10, height adjusting device 11, flexible soil retaining plate 12, first subsoiler 13, shock absorption structure 14, second subsoiler 15, rotary tillage mechanism 16, fertilizer discharging fluted wheel 17, fertilizer discharger 18, motor 19, fertilizer discharging drive shaft 20, transmission box 21, universal coupling 22, rotary tillage drive shaft 23, auxiliary wheel 31, wheel frame 32, wheel frame column 33, second installation groove 71, mounting plate 72, second connecting bar 81, first connecting bar 91, drawbar main board 101, small square beam 102, connecting plate 103, first installation groove 111, hollow pipe 131, plow foot 132, rotary tillage shaft 161, rotary tillage blade 162, driving gear 191, driven gear 201, shock absorption column 141, limit pin 142, spring 143, hinge 144, limit block 145. Detailed implementation mode

[0031] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation modes.

[0032] Example 1: Please refer to Figures 1 to 4As shown in the figure, it includes a traction frame 1, an auxiliary wheel assembly 3, a rotary tillage device and a fertilizing device. The traction frame 1 includes two traction frame main boards 101, a small square beam 102 and a connecting plate 103. The connecting plate 103 is installed between the upper and lower ends of the two traction frame main boards 101 through the small square beam 102 respectively; a large square beam 2 is fixedly installed at the rear side of the traction frame 1, and connecting frames 7 are respectively arranged at the lower parts of both ends of the large square beam 2; there are two sets of auxiliary wheel assemblies 3, and each set includes an auxiliary wheel 31, a wheel frame 32 and a wheel frame column 33. The auxiliary wheel 31 is installed at the bottom of the wheel frame column 33 through the wheel frame 32, and the wheel frame column 33 is installed at the front side of the connecting frame 7 through a height adjusting device 11; the rotary tillage device includes two rotary tillage boxes 8, a rotary tillage mechanism 16 and a power transmission mechanism for driving the rotary tillage mechanism to work. The two rotary tillage boxes 8 are respectively installed at the lower part of the connecting frame 7 through a rotating arm 9. The rotary tillage box 8 is internally provided with the rotary tillage mechanism 16, and the rotary tillage mechanism 16 includes a rotary tillage shaft 161 and rotary tillage blades 162 installed on the rotary tillage shaft 161; the fertilizing device includes a fertilizer box 5, a fertilizer discharging pipe 6, a fertilizer discharger 18, a first soil loosening plow 13 and a driving device for driving the fertilizer discharger 18 to work. The fertilizer box 5 is installed at the rear side of the large square beam 2 through an extension frame 4, and four fertilizer dischargers 18 are arranged at the bottom of the fertilizer box 5; a connecting arm 10 is arranged at the rear side of the connecting frame 7, and two first soil loosening plows 13 are installed at one end of the connecting arm 10. The first soil loosening plow 13 includes a hollow pipe 131 and a plow foot 132. The outlets of the respective fertilizer dischargers 18 are respectively connected to the corresponding hollow pipes 131 through the fertilizer discharging pipes 6, and the plow foot 132 and fertilizer discharging holes are arranged at the bottom of the hollow pipe 131. The height adjusting structure in the present utility model is prior art, and its structure will not be described in detail here. By arranging two sets of auxiliary wheel assemblies 3 in the present utility model, the rotary tillage blades 162 can be prevented from tilling too deep, making the rotary tillage box 8 parallel to the ground. By arranging the rotary tillage mechanism, weeds can be removed and the soil can be broken. By arranging the fertilizing device, fertilization can be carried out deep into the soil, avoiding volatilization caused by direct exposure of chemical fertilizers on the ground surface, reducing nutrient loss, and improving the fertilization efficiency and fertilizer utilization rate.

[0033] In this embodiment, the power transmission mechanism includes a transmission box 21 and two rotary tillage drive shafts 23. The transmission box 21 is connected to external power. The transmission box 21 has two output shafts, and the two output shafts are respectively connected to the corresponding rotary tillage drive shafts 23 through universal couplings 22. Each rotary tillage drive shaft 23 is respectively connected to the corresponding rotary tillage shaft 161 through a sprocket and chain transmission method. By driving the two rotary tillage drive shafts 23 simultaneously through the transmission box 21, the two rotary tillage drive shafts 23 can respectively transmit power to the corresponding rotary tillage shafts 161, so as to drive the corresponding rotary tillage blades 162 to work.

[0034] In this embodiment, the driving device includes a motor 19, a fertilizer discharging drive shaft 20, a driving gear 191 and a driven gear 201. The motor 19 is installed on one side of the fertilizer tank 5, and the fertilizer discharging drive shaft 20 is installed at the lower part of the fertilizer tank 5. The output end of the motor 19 is provided with the driving gear 191, and one end of the fertilizer discharging drive shaft 20 is provided with the driven gear 201 meshing with the driving gear 191. The fertilizer discharging drive shaft 20 penetrates through each fertilizer discharger 18 and is connected to the fertilizer discharging grooved wheel 17 in the fertilizer discharger 18. By driving the fertilizer discharging drive shaft 20 with the motor 19, the fertilizer discharging grooved wheels 17 in each fertilizer discharger 18 can be driven to rotate simultaneously, realizing synchronous fertilizer discharging.

[0035] In this embodiment, the two hollow tubes 131 are connected by a synchronous rod 24, and the synchronous rod 24 is connected to the connecting arm 10 through a height adjusting device 11. By adjusting the height adjusting structure, the depth of the plow foot 132 inserted into the soil can be adjusted, thereby controlling the fertilizing depth.

[0036] In this embodiment, a second soil loosening plow 15 is further provided in the rotary tillage device. The second soil loosening plow 15 is arranged before the rotary tillage mechanism 16. By providing the second soil loosening plow 15, the soil can be turned over first so that the rotary tillage mechanism 16 can break up the turned-over soil.

[0037] In this embodiment, a first installation groove 111 is provided on one side of the main board 101 of the towing frame. The large square beam 2 is matched with the first installation groove 111 and fixed to the main board 101 of the towing frame through a U-shaped bolt. The upper part of the connecting frame 7 is provided with a second installation groove 71 matched with the large square beam 2. By providing the first installation groove 111 and the second installation groove 71, it is convenient for assembly and positioning, avoiding loosening during assembly and making the structure more stable.

[0038] In this embodiment, a shock absorption structure 14 is provided among the rotary tillage box 8, the rotating arm 9 and the connecting arm 10. The shock absorption structure 14 includes a mounting plate 72, a second connecting bar 81, a first connecting bar 91, a shock absorption column 141, a limit pin 142, a spring 143, a hinge 144 and a limit block 145. The mounting plate 72 is provided on the connecting frame 7. The shock absorption column 141 passes through the mounting plate 72, and the spring 143 and the limit block 145 are sleeved at both ends. The upper end of the shock absorption column 141 is limited by the limit pin 142, and the lower end of the shock absorption column 141 is hinged to the first connecting bar 91 through the hinge 144. The first connecting bar 91 is also hinged to the second connecting bar 81. The first connecting bar 91 is fixed to the rear side of the rotating arm 9, and the second connecting bar 81 is fixed to the rotary tillage box 8. By providing the shock absorption structure 14, equipment damage caused by uneven force or vibration during rotary tillage can be avoided.

[0039] In this embodiment, a flexible soil retaining plate 12 is provided at the rear side of the rotary tillage box 8. The flexible soil retaining plate 12 is made of rubber. By providing the flexible soil retaining plate 12, on the one hand, it can play a role in retaining soil during rotary tillage, and on the other hand, it can level the soil tilled by rotary tillage.

[0040] When the utility model works, the traction frame 1 is connected to the tractor through the connecting plate 103, and the transmission box 21 is connected to the power output shaft of the tractor. When the tractor moves forward, it drives the whole machine to move forward. During the forward process, the second soil loosening plow 15 first turns over the soil, then the rotary tillage mechanism 16 breaks the turned soil, and then the first soil loosening plow 13 inserts into the soil for fertilization.

[0041] Specifically, when the tractor moves forward, the power is transmitted into the transmission box 21. The transmission box 21 drives the rotary tillage drive shaft 23 to rotate, and the rotary tillage drive shaft 23 drives the rotary tillage shaft 161 to rotate, thereby driving the rotary tillage blades 162 to work. When fertilizing, the motor 19 is started. The motor 19 drives the fertilizer discharging drive shaft 20 to rotate through the way of gear meshing. The fertilizer discharging drive shaft 20 drives the fertilizer discharging groove wheel 17 in the fertilizer discharger 18 to rotate. The fertilizer enters the hollow pipe 131 through the fertilizer discharging groove wheel 17 and enters the interior of the soil through the fertilizer discharging holes at the bottom of the hollow pipe 131 or the plow feet 132.

[0042] Embodiment 2: On the basis of Embodiment 1, a furrowing plow (not shown in the figure) is further provided at the rear side of the large square beam 2. By setting the furrowing plow, weeding and reshaping of the bed surface can be achieved.

[0043] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0044] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cotton cultivator, characterized in that: The invention comprises a traction frame (1), an auxiliary wheel assembly (3), a rotary tillage device and a fertilizing device, wherein the traction frame (1) comprises two traction frame main boards (101), a small square beam (102) and a connecting plate (103), and the connecting plate (103) is respectively installed between the upper and lower ends of the two traction frame main boards (101) through the small square beam (102); A large square beam (2) is fixedly arranged on the rear side of the traction frame (1), and connecting frames (7) are respectively arranged at the lower parts of both ends of the large square beam (2); The auxiliary wheel assembly (3) has two sets, each set includes an auxiliary wheel (31), a wheel frame (32) and a wheel frame column (33), the auxiliary wheel (31) is installed at the bottom of the wheel frame column (33) through the wheel frame (32), and the wheel frame column (33) is installed on the front side of the connecting frame (7) through a height adjustment device (11); The rotary tillage device comprises two rotary tillage boxes (8), a rotary tillage mechanism (16) and a power transmission mechanism for driving the rotary tillage mechanism to work. The two rotary tillage boxes (8) are respectively mounted on the lower part of the connecting frame (7) through rotating arms (9). The rotary tillage box (8) is provided with a rotary tillage mechanism (16). The rotary tillage mechanism (16) comprises a rotary tillage shaft (161) and a rotary tillage blade (162) mounted on the rotary tillage shaft (161). The fertilizing device comprises a fertilizer box (5), a fertilizer discharge pipe (6), a fertilizer discharger (18), a first soil loosening plow (13) and a driving device for driving the fertilizer discharger (18) to work. The fertilizer box (5) is installed on the rear side of the large square beam (2) through an extension frame (4). A plurality of fertilizer dischargers (18) are arranged at the bottom of the fertilizer box (5); a connecting arm (10) is arranged at the rear side of the connecting frame (7), and a plurality of first soil loosening plows (13) are installed at one end of the connecting arm (10). The first soil loosening plow (13) comprises a hollow tube (131) and a plow foot (132). The outlet of each fertilizer discharger (18) is connected to the corresponding hollow tube (131) through the fertilizer discharge pipe (6), and a plow foot (132) and a fertilizer discharge hole are arranged at the bottom of the hollow tube (131).

2. A cotton cultivator according to claim 1, characterized in that: The power transmission mechanism comprises a transmission box (21) and two rotary tillage drive shafts (23); the transmission box (21) is connected to an external power source; the transmission box (21) has two output shafts; the two output shafts are respectively connected to corresponding rotary tillage drive shafts (23) via universal couplings (22); and each rotary tillage drive shaft (23) is respectively connected to a corresponding rotary tillage shaft (161) via a sprocket chain transmission method.

3. A cotton cultivator according to claim 1, characterized in that: The driving device comprises a motor (19), a fertilizer discharge driving shaft (20), a driving gear (191) and a driven gear (201); the motor (19) is mounted on one side of the fertilizer box (5); the fertilizer discharge driving shaft (20) is mounted on the lower part of the fertilizer box (5); the output end of the motor (19) is provided with a driving gear (191); one end of the fertilizer discharge driving shaft (20) is provided with a driven gear (201) meshing with the driving gear (191); the fertilizer discharge driving shaft (20) passes through each fertilizer discharger (18) and is connected to a fertilizer discharge groove wheel (17) in the fertilizer discharger (18).

4. A cotton cultivator according to claim 1, characterized in that: Adjacent hollow tubes (131) are connected via a synchronization rod (24), and the synchronization rod (24) is connected to the connection arm (10) via a height adjustment device (11).

5. A cotton cultivator according to claim 1, characterized in that: A second soil loosening plow (15) is also provided in the rotary tillage device, and the second soil loosening plow (15) is arranged before the rotary tillage mechanism (16).

6. A cotton cultivator according to claim 1, characterized in that: A first installation groove (111) is provided on one side of the traction frame main board (101), and the large square beam (2) cooperates with the first installation groove (111) and is fixed to the traction frame main board (101) via U-shaped bolts.

7. A cotton cultivator according to claim 1, characterized in that: The upper part of the connecting frame (7) is provided with a second installation groove (71) matched with the large square beam (2).

8. The cotton cultivator according to claim 1, characterized in that: A shock absorbing structure (14) is provided between the rotary tillage box (8), the rotating arm (9) and the connecting arm (10), wherein the shock absorbing structure (14) comprises a mounting plate (72), a second connecting bar (81), a first connecting bar (91), a shock absorbing column (141), a limit pin (142), a spring (143), a hinge (144) and a limit block (145); a mounting plate (72) is provided on the connecting frame (7); and the shock absorbing column (141) passes through the mounting plate Springs (143) and limit blocks (145) are mounted on both ends of the plate (72); the upper end of the shock-absorbing column (141) is limited by a limit pin (142); the lower end of the shock-absorbing column (141) is hinged to a first connecting bar (91) by a hinge (144); the first connecting bar (91) is also hinged to a second connecting bar (81); the first connecting bar (91) is fixed to the rear side of the rotating arm (9); and the second connecting bar (81) is fixed to the rotary tillage box (8).

9. The cotton cultivator according to claim 1, characterized in that: A flexible soil retaining plate (12) is provided on the rear side of the rotary tillage box (8), and the flexible soil retaining plate (12) is made of rubber.

10. The cotton cultivator according to claim 1, characterized in that: A furrowing plow is also provided on the rear side of the large square beam (2).

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