A multifunctional carrot planting machine

Abstract

The present invention relates to a multifunctional carrot planting machine, including a rotary tiller, a ridge dividing and pressing device, a ridge building and shaping device, a film spreading and pressing device, an automatic soil lifting device and a seed dropping device. The rotary tiller is arranged at the front end of the planting machine, a drip irrigation belt mounting frame is fixedly connected to the rear of the rotary tiller, the ridge dividing and pressing device is fixedly connected to the rear of the drip irrigation belt mounting frame, a ridge building and shaping device is fixedly connected to the rear of the ridge dividing and pressing device, a shaping wheel with the same spacing and capable of active rotation is installed on the ridge building and shaping device, a film spreading and pressing device is connected to the rear of the ridge building and shaping device, and a film roller bracket, a film pressing wheel and a soil pressing wheel are arranged thereon for covering the ground film on the ridge; and the automatic soil lifting device is arranged above the ridge building and shaping device and the ridge dividing and pressing device. The planting machine can complete the sowing work such as rotary tillage, ridge shaping, drip irrigation belt burying, seed dropping, film covering, soil covering and film pressing at one time, so as to realize the purpose of planting multiple ridges and double rows on the ridges in one time, and greatly improve the operation efficiency.

Description

Technical Field

[0001] The invention relates to mechanical equipment in the field of agricultural planting, in particular to a multifunctional carrot planting machine. Background Art

[0002] At present, in the field of carrot planting, the more common planting methods are broadcasting or row sowing. These two sowing methods waste a lot of seeds, have high planting costs, and waste a lot of manpower and material resources for subsequent manual participation in thinning. In order to improve the accuracy of carrot sowing, farmers have adopted a precision sowing method based on seed ropes. This method is to put seeds into decomposable seed ropes according to fixed spacing, and then spread the seed ropes into the field and cover them with thin soil manually or mechanically. With the continuous development of carrot planting agronomy, in order to save water and improve the emergence effect, carrot planting agronomy requires planting carrots in ridges and covering them with mulch, laying drip irrigation belts for water supply, etc. Each additional agronomic link needs to be completed in multiple processes, and the auxiliary equipment also includes many sets, which increases the labor cost and prolongs the operation cycle, seriously affecting the work efficiency of carrot planting. At present, there is no carrot planting machine that can complete the sowing processes such as rotary tillage, ridge shaping, burying drip irrigation belts, dropping seeds, covering films, covering soil and pressing films at one time. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a carrot planting machine which can complete rotary tillage, ridge forming, drip irrigation belt burying, seed dropping, film covering, soil covering and film pressing and other sowing operations at one time, and the planting machine is suitable for the carrot precision sowing method using seed ropes.

[0004] To solve the above technical problems, the present invention is implemented in the following manner: a multifunctional carrot planting machine described in the present invention includes a rotary tiller, a ridge dividing and soil pressing device, a ridge building and shaping device, a film spreading and pressing device, an automatic soil lifting device and a seed dropping device, the rotary tiller is arranged at the front end of the planting machine, and is connected to the rear suspension device of the tractor through a three-point suspension frame, the front end of the rotary tiller is provided with a rotary tillage mechanism, and the rear end is provided with an auger for gathering soil; a drip irrigation belt mounting frame is fixedly connected to the rear of the rotary tiller, and the ridge dividing and soil pressing device is fixedly connected to the rear of the drip irrigation belt mounting frame, and is used to compact the area cultivated by the rotary tiller and divide it into a plurality of independent ridges; a ridge building and shaping device is fixedly connected to the rear of the ridge dividing and soil pressing device, and the ridge building and shaping device is installed with shaping wheels with the same spacing and capable of active rotation, and the number of shaping wheels arranged is equal to the number of divided ridges. Correspondingly, the upper end of the ridge building and shaping device is fixedly connected with several disc brackets, and the front end of the shaping wheel is connected with a seed dropping device; the film spreading and pressing device is connected to the rear of the ridge building and shaping device, and is provided with a film roller bracket, a film pressing wheel and a soil pressing wheel for covering the ridge with ground film; the automatic soil lifting device is arranged above the ridge building and shaping device and the ridge dividing and soil pressing device, and the automatic soil lifting device comprises a row of several soil lifting units arranged in parallel, and the outer shape of the soil lifting unit is an inclined 7-shape, and an actively rotatable soil taking chain is arranged in the trough body at the front end of the soil lifting unit, and soil taking seed cups are evenly distributed on the soil taking chain, and the bottom of the trough body is located behind the auger of the rotary tiller, and the rear end of the soil lifting unit is a soil flow trough, and the lower end of the soil flow trough is located above the position between the film pressing wheel and the soil pressing wheel, and is used to cover the soil taken by the soil lifting unit on the edge of the ground film.

[0005] The upper end of the rotary tiller is fixedly connected with a main transmission box, which is used to drive the rotary tillage mechanism to work, and power output ends are arranged on the side and rear end of the main transmission box; the upper end of the rotary tiller is fixedly connected with a transfer box, which is arranged on the side of the main transmission box, and the transfer box and the power output end on the side of the main transmission box form a transmission connection, and the transfer box is used to drive the automatic soil lifting device to work, and the transfer box also transmits power to the transmission sprocket on the side of the drip irrigation belt mounting frame through the soil lifting drive shaft, and the transmission sprocket then transmits power to the auger to drive the auger to rotate; the power output end arranged at the rear end of the main transmission box transmits power to the shaping wheel drive box fixedly connected to the ridge building and shaping device through the transmission shaft, and the shaping wheel drive box then transmits power to the forming wheel drive boxes on both sides of the ridge building and shaping device frame through the transmission shaft, and the forming wheel drive box simultaneously drives the shaping wheel to rotate.

[0006] A row of parallel soil dividing plates with the same spacing are arranged at the front end of the frame of the ridge dividing and soil pressing device, which divides the area plowed by the rotary tiller into a number of small ridges; a soil pressing plate is fixedly connected to the rear of the soil dividing plates, and the soil pressing plate is arranged at the upper end of the rear of the soil dividing plates to flatten the top of the small ridges; a number of notches are arranged on the soil pressing plate, and the bottom of the soil lifting unit of the automatic soil lifting device passes through the notches.

[0007] The two ends of the shaping wheel are symmetrically arranged conical surfaces, with larger diameters at both ends and smaller diameters in the middle; a seed pressing wheel is fixedly connected to the middle position of the shaping wheel, and an annular groove is arranged in the middle of the seed pressing wheel. During sowing, the seed pressing wheel rolls the seeds planted in double rows on the ridge, and the drip irrigation belt placed between the double rows of seeds is located in the position of the annular groove; two groups of seed dropping devices are arranged at the front end of each shaping wheel, and the seed dropping devices are respectively located at the front ends of the cylindrical bosses on both sides of the annular groove of the seed pressing wheel; the seed disc brackets at the upper ends of the ridge building and shaping devices are respectively arranged corresponding to the seed dropping devices, and a disc-shaped seed belt is placed on the seed disc bracket, and the end of the seed belt will be laid on the top of the ridge through the corresponding seed dropping device and lightly pressed by the seed pressing wheel.

[0008] A trapezoidal scraper plate is fixedly connected to the middle position of the shaping wheel.

[0009] The two sides of the drip irrigation belt installation frame are transmission connecting plates, and the upper end of the middle position is fixedly connected with a drip irrigation bracket. The drip irrigation belt is sleeved on the drip irrigation belt bracket and can rotate on the bracket; a seat is also fixedly connected to the drip irrigation belt installation frame; the end of the drip irrigation belt passes through the lower drip irrigation belt device and is laid on the top of the ridge.

[0010] The bottom of the soil lifting unit is connected in series through a soil lifting drive shaft, and a transmission connection is formed between the transfer case and the soil lifting drive shaft; the cup mouth of the soil taking seed cup of the soil lifting unit faces upward, soil is taken from the bottom of the soil lifting unit, and the soil is lifted to the top of the soil taking chain, and the soil is turned into the soil flow trough by flipping the cup mouth.

[0011] The seed dropping device comprises a catheter support and a seed dropping catheter fixedly connected to the catheter support; the upper end of the seed dropping catheter is a straight tube, and the lower end is bent toward the shaping wheel, and the seed belt passes through the center of the seed dropping catheter.

[0012] The lower drip irrigation belt device comprises a height adjustment bracket, a lower tube barrel and a plurality of guide wheels, the height adjustment bracket is fixedly connected to the drip irrigation belt mounting frame, the lower tube barrel is plugged into the height adjustment bracket through a square tube, and can move up and down along the height adjustment bracket; the upper end of the lower tube barrel is an inlet bracket, and the inlet bracket is fixedly connected to the height adjustment bracket; the two sides of the upper end of the inlet bracket are symmetrically connected with inlet lateral guide wheels longitudinally, and the lower end is transversely provided with an inlet guide wheel; the lower tube barrel is a hollow shell, the upper end is transversely provided with a rotatable upper guide wheel, the lower end is transversely provided with a rotatable lower guide wheel, and the lowest end is the pipe outlet; the drip irrigation belt passes between the two inlet lateral guide wheels, passes through the inlet guide wheel, the upper guide wheel and the side of the lower guide wheel away from the square tube, and passes through the pipe outlet.

[0013] The film spreading and laminating device comprises a film spreading and laminating device frame, on which a plurality of film roller brackets are transversely fixedly connected, and adjacent film roller brackets are arranged at staggered positions up and down, and the ground film roller is sleeved on the film roller bracket; a film guide roller and a spiral head film guide roller are arranged behind the film roller bracket, and the spiral head film guide roller is arranged behind the film guide roller, and a fixed gap is maintained between the two. After passing through the gap, the ground film is respectively laid on the corresponding ridge top, and adjacent ground films overlap each other after being laid on the ridge top; Both ends of the spiral head film guide roller are respectively provided with spiral grooves for stretching and laying the edge of the outermost ground film; two rows of horizontal pipes are fixedly connected front and back behind the spiral head film guide roller, a horizontal row of film pressing wheels that can float up and down is sleeved on the front row of horizontal pipes, and a horizontal row of soil pressing wheels that can float up and down is sleeved on the rear row of horizontal pipes, and the film pressing wheels and the soil pressing wheels are respectively arranged in the same line along the forward direction of the machine, and the bottom of the soil flow trough at the rear end of the soil lifting unit is located above the empty space between the film pressing wheels and the soil pressing wheels arranged in the same line.

[0014] The positive effects of the present invention are as follows: the multifunctional carrot planting machine of the present invention can complete the sowing operations such as rotary tillage, ridge forming, drip irrigation tape burying, seed dropping, film covering, soil covering and film pressing at one time, achieving the purpose of planting multiple ridges and double rows on ridges in one entry, greatly improving the working efficiency, and the requirements of sowing agronomy are well guaranteed through the operating machine, the bed surface has high uniformity, the seed dropping depth is consistent, the film covering tightness is consistent, the suspension, lifting and lowering and turning are flexible, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 3It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 4 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 5 It is a structural schematic diagram of a rotary tillage and soil gathering device;

[0021] Figure 6 It is a structural schematic diagram of a ridge dividing and soil compacting device;

[0022] Figure 7 It is a structural schematic diagram of a ridge-building and shaping device;

[0023] Figure 8 It is a structural schematic diagram of an automatic soil lifting device;

[0024] Fig. 9 It is a structural schematic diagram of a seed dropping device;

[0025] Fig.10 It is a structural schematic diagram of the lower drip irrigation belt device;

[0026] Fig.11 It is a structural diagram of a drip irrigation tape installation rack;

[0027] Fig.12 It is a structural schematic diagram of the film spreading and pressing device.

[0028] In the figure, 1 is a three-point suspension frame, 2 is a rotary tiller, 3 is a ridge pressing device, 4 is a ridge shaping device, 5 is a film spreading and pressing device, 6 is an automatic soil lifting device, 7 is a seed dropping device, 8 is a film roller bracket, 9 is a seed plate, 10 is a drip irrigation bracket, 11 is a transfer box, 12 is a main transmission box, 13 is a forming wheel driving box, 14 is a soil flow trough, 15 is a drip irrigation belt, 16 is a transmission connecting plate, 17 is a lower drip irrigation belt device, 18 is a film pressing wheel, 19 is a soil pressing wheel, 20 is a film spreading and pressing device frame, 21 is a rotary tillage mechanism, 22 is a screw, 23 is a notch, 24 soil pressing plate, 25 soil dividing plate, 26 disc bracket, 27 shaping wheel, 28 seed pressing wheel, 29 soil taking chain, 30 soil lifting drive shaft, 31 soil lifting unit, 32 seed dropping catheter, 33 catheter bracket, 34 height adjustment bracket, 35 upper guide wheel, 36 lower pipe barrel, 37 pipe outlet, 38 drip irrigation belt installation frame, 39 film guide roller, 40 spiral head film guide roller, 41 lower guide wheel, 42 inlet guide wheel, 43 inlet side guide wheel, 44 inlet bracket. DETAILED DESCRIPTION

[0029] As a specific embodiment, the multifunctional carrot planting machine described in the present invention can complete the sowing tasks such as rotary tillage, ridge forming, drip irrigation tape burying, seed dropping, film covering, soil covering and film pressing at one time, and can complete the planting of 4 ridges and 8 rows of carrots in one trip.

[0030] like Figures 1 to 5As shown, the multifunctional carrot planting machine described in the present invention includes a rotary tiller 2, a ridge dividing and pressing device 3, a ridge building and shaping device 4, a film spreading and pressing device 5, an automatic soil lifting device 6 and a seed dropping device 7. The rotary tiller 2 is arranged at the front end of the planting machine, and is connected to the rear suspension device of the tractor through a three-point suspension frame 1. The front end of the rotary tiller 2 is provided with a rotary tillage mechanism 21, and the rear end is provided with a screw dragon 22 for gathering soil; the rear of the rotary tiller 2 is fixedly connected to a drip irrigation belt mounting frame 38, and the ridge dividing and pressing device 3 is fixedly connected to the rear of the drip irrigation belt mounting frame 38, and is used to compact the area cultivated by the rotary tiller 2 and divide it into four independent ridges; the rear of the ridge dividing and pressing device 3 is fixedly connected to a ridge building and shaping device 4, and the ridge building and shaping device 4 is installed with shaping wheels 27 with the same spacing and capable of active rotation, and the shaping wheels 27 are arranged in four numbers, which are used to press the divided ridges into a trapezoidal ridge shape, and the upper end of the ridge building and shaping device 4 There are several disc supports 26 fixedly connected, which may include a spare middle seed disc support, and the front end of the shaping wheel 27 is connected to a seed dropping device 7; the film spreading and pressing device 5 is connected to the rear of the ridge shaping device 4, and is provided with a film roller support 8, a film pressing wheel 18 and a soil pressing wheel 19 for covering the ridge with ground film; the automatic soil lifting device 6 is arranged above the ridge shaping device 4 and the ridge dividing and pressing device 3, and the automatic soil lifting device 6 includes a row of 5 soil lifting units arranged in parallel Element 31, the soil lifting unit 31 has an inclined 7-shape in appearance, and an actively rotatable soil-taking chain is arranged in the trough body at the front end of the soil lifting unit 31, and soil-taking seed cups are evenly distributed on the soil-taking chain, and the bottom of the trough body is located behind the auger 22 of the rotary tiller 2, and the rear end of the soil lifting unit 31 is a soil flow trough 14, and the lower end of the soil flow trough 14 is located above the position between the film pressing wheel 18 and the soil pressing wheel 19, and is used to cover the soil taken by the soil lifting unit 31 on the edge of the ground film or the overlapping junction of the ground film.

[0031] The upper end of the rotary tiller 2 is fixedly connected to a main transmission housing 12, which is used to drive the rotary tillage mechanism 21 to work, and the side and rear ends of the main transmission housing 12 are provided with power output ends; the upper end of the rotary tiller 2 is fixedly connected to a transfer housing 11, which is arranged on the side of the main transmission housing 12, and the transfer housing 11 and the power output end on the side of the main transmission housing 12 form a transmission connection, and the transfer housing 11 is used to drive the automatic soil lifting device 6 to work, and the transfer housing 11 is also driven by the soil lifting drive shaft 30 The power is transmitted to the transmission sprocket on the side of the drip irrigation tape mounting frame 38, and the transmission sprocket then transmits the power to the auger 22, driving the auger 22 to rotate; the power output end arranged at the rear end of the main transmission box 12 transmits the power to the shaping wheel driving box fixedly connected to the ridge building and shaping device 4 through the transmission shaft, and the shaping wheel driving box then transmits the power to the forming wheel driving box 13 on both sides of the frame of the ridge building and shaping device 4 through the transmission shaft, and the forming wheel driving box 13 simultaneously drives the shaping wheel 27 to rotate.

[0032] like Figure 6As shown, a row of five dividing plates 25 with the same spacing are arranged in parallel at the front end of the frame of the ridge dividing and soil pressing device 3, which divides the area cultivated by the rotary tiller 2 into four small ridges; a soil pressing plate 24 is fixedly connected to the rear of the dividing plates 25, and the soil pressing plate 24 is arranged at the upper end of the rear of the dividing plates 25, and is used to flatten the top of the small ridge; five notches 23 are arranged on the soil pressing plate 24, and the bottom of the soil lifting unit 31 of the automatic soil lifting device 6 passes through the notches 23.

[0033] like Figure 7 As shown, the two ends of the shaping wheel 27 are symmetrically arranged conical surfaces, with larger diameters at both ends and smaller diameters in the middle; a seed pressing wheel 28 is fixedly connected to the middle position of the shaping wheel 27, and an annular groove is arranged in the middle of the seed pressing wheel 28. During sowing, the seed pressing wheel 28 rolls the seeds planted in double rows on the ridge. When rolling, the seed pressing wheel 28 squeezes the soil to the position of the middle annular groove, and the drip irrigation belt placed between the double rows of seeds is in the position of the annular groove and is covered with soil to form a bulge after rolling; two groups of seed dropping devices 7 are arranged at the front end of each shaping wheel 27, and the seed dropping devices 7 are respectively located at the front ends of the cylindrical bosses on both sides of the annular groove of the seed pressing wheel 28; the seed disc bracket 26 at the upper end of the ridge building and shaping device 4 is respectively arranged corresponding to the seed dropping device 7, and a disc-shaped seed belt is placed on the seed disc bracket 26, and the end of the seed belt will be laid on the top of the ridge through the corresponding seed dropping device 7 and lightly pressed by the seed pressing wheel 28.

[0034] A trapezoidal scraper plate is fixedly connected to the middle position of the shaping wheel 27 .

[0035] like Fig.11 As shown, the two sides of the drip irrigation tape mounting frame 38 are transmission connecting plates 16, and the upper end of the middle position is fixedly connected to a drip irrigation bracket 10, and the drip irrigation tape 15 is sleeved on the drip irrigation tape bracket and can rotate on the bracket; a seat is also fixedly connected to the drip irrigation tape mounting frame 38; the end of the drip irrigation tape 15 passes through the lower drip irrigation tape device 17 and is laid on the top of the ridge.

[0036] like Figure 8 As shown, the bottom of the soil lifting unit 31 is connected in series through the soil lifting drive shaft 30, and a transmission connection is formed between the transfer case 11 and the soil lifting drive shaft 30; the cup mouth of the soil taking seed cup of the soil lifting unit 31 faces upward, soil is taken from the bottom of the soil lifting unit 31, and the soil is lifted to the top of the soil taking chain, and the soil is turned into the soil flow chute 14 by flipping the cup mouth.

[0037] like Fig. 9 As shown, the seed dropping device 7 includes a catheter support 33 and a seed dropping catheter 32 fixedly connected to the catheter support 33; the upper end of the seed dropping catheter 32 is a straight tube, and the lower end is bent toward the shaping wheel 27, and the seed belt passes through the center of the seed dropping catheter 32.

[0038] like Fig.10As shown, the lower drip irrigation belt device 17 includes a height adjustment bracket 34, a lower tube barrel 36 and a plurality of guide wheels, the height adjustment bracket 34 is fixedly connected to the drip irrigation belt mounting frame 38, the lower tube barrel 36 is plugged into the height adjustment bracket 34 through a square tube, and can move up and down along the height adjustment bracket 34; the upper end of the lower tube barrel 36 is an inlet bracket 44, and the inlet bracket 44 is fixedly connected to the height adjustment bracket 34; the upper ends of the inlet bracket 44 are symmetrically connected to inlet lateral guide wheels 43 on both sides, and the lower end is transversely provided with an inlet guide wheel 42; the lower tube barrel 36 is a hollow shell, the upper end is transversely provided with a rotatable upper guide wheel 35, the lower end is transversely provided with a rotatable lower guide wheel 41, and the lowest end is the outlet 37; the drip irrigation belt passes between the two inlet lateral guide wheels 43, passes through the inlet guide wheel 42, the upper guide wheel 35 and the lower guide wheel 41 away from the square tube, and passes through the outlet 37.

[0039] like Fig.12 As shown, the film spreading and laminating device 5 includes a film spreading and laminating device frame 20, on which four film roller brackets 8 are transversely fixedly connected, and adjacent film roller brackets 8 are arranged at upper and lower staggered positions, and the ground film roller is sleeved on the film roller bracket 8; a film guide roller 39 and a spiral head film guide roller 40 are arranged behind the film roller bracket 8, and the spiral head film guide roller 40 is arranged behind the film guide roller 39, and a fixed gap is maintained between the two. After passing through the gap, the ground film is laid flat on the corresponding ridge tops, and adjacent ground films overlap each other after being laid on the ridge tops; the Both ends of the spiral head film guide roller 40 are respectively provided with spiral grooves for stretching and laying the edge of the outermost ground film; two rows of horizontal pipes are fixedly connected to the rear of the spiral head film guide roller 40, and a horizontal row of 5 film pressing wheels 18 that can float up and down are sleeved on the front row of horizontal pipes, and a horizontal row of 5 soil pressing wheels 19 that can float up and down are sleeved on the rear row of horizontal pipes. The film pressing wheels 18 and the soil pressing wheels 19 are respectively arranged in the same line along the forward direction of the machine, and the bottom of the soil flow trough 14 at the rear end of the soil lifting unit 31 is respectively located above the empty space between the film pressing wheels 18 and the soil pressing wheels 19 arranged in the same line.

[0040] The working process of the present invention is as follows: the multifunctional carrot planting machine described in the present invention needs to hang the seed plate 9, the ground film roller, and the drip irrigation tape roller at corresponding positions respectively when working, pull the drip irrigation tape 15 out of the pipe outlet 37 of the lower pipe barrel 36 and fix it at the head of the field, pull the seed tape out from the bottom of the seed dropping guide tube 32 and place it on the ridge and fix it, pass the ground film between the film guide roller 39 and the spiral head film guide roller 40 and fix it on the ridge, pull the carrot planting machine forward by a tractor, start the power output shaft of the tractor, and the power output shaft will transmit power to the shaping wheel 27 of the ridge shaping device 4, the rotary tillage mechanism 21 and the auger 22 of the rotary tiller 2, and the soil taking chain of the soil lifting unit 31 through the main transmission box 12. The rotary tiller 2 breaks up the soil through the rotary tillage mechanism 21 and gathers the soil to the ridge forming position through the auger 22; the ridge dividing and soil pressing device 3 compacts the area cultivated by the rotary tiller 2 and divides it into four independent ridges through the soil dividing plate 25 and the soil pressing plate 24; the ridge building and shaping device 4 presses the four independent ridges into ridges with trapezoidal cross sections through four shaping wheels 27; the seed pressing wheel 28 arranged on the shaping wheel 27 only rolls the seeds planted in double rows on the ridge, and the drip irrigation belt 15 placed between the double rows of seeds will be in the position of the annular groove without being rolled; the adjacent ground films on the film spreading and pressing device 5 overlap each other after being laid on the top of the ridge, and the edge of the outermost ground film is stretched and laid through the spiral grooves arranged at both ends of the spiral head film guide roller 40, and the soil lifting unit 31 on the automatic soil lifting device 6 takes soil from the rear of the auger 22 and lays it on the overlapping ground films in the ridge ditch and on the edge of the outermost ground film through the soil flow trough 14 to press the ground film.

[0041] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "several" and "multiple" mean two or more than two, unless otherwise clearly defined. In the present application, unless otherwise clearly defined and defined, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise clearly defined and defined, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. A multifunctional carrot planting machine, characterized in that: The invention comprises a rotary tiller, a ridge dividing and soil pressing device, a ridge building and shaping device, a film spreading and pressing device, an automatic soil lifting device and a seed dropping device. The rotary tiller is arranged at the front end of the planter and is connected to the rear suspension device of the tractor through a three-point suspension frame. The front end of the rotary tiller is provided with a rotary tillage mechanism, and the rear end is provided with an auger for gathering soil. A drip irrigation belt mounting frame is fixedly connected to the rear of the rotary tiller, and the ridge dividing and soil pressing device is fixedly connected to the rear of the drip irrigation belt mounting frame, and is used for compacting the area cultivated by the rotary tiller and dividing it into a plurality of independent ridges. A ridge building and shaping device is fixedly connected to the rear of the ridge dividing and soil pressing device, and shaping wheels with the same spacing and capable of active rotation are installed on the ridge building and shaping device. The number of shaping wheels arranged corresponds to the number of divided ridges, and is used for pressing the divided ridges into trapezoidal ridges. The upper end of the ridge shaping device is fixedly connected with several disc brackets, and the front end of the shaping wheel is connected with a seed dropping device; the film spreading and pressing device is connected to the rear of the ridge shaping device, and a film roller bracket, a film pressing wheel and a soil pressing wheel are arranged on it, which are used to cover the ground film on the ridge; the automatic soil lifting device is arranged above the ridge shaping device and the ridge dividing and pressing device, and the automatic soil lifting device includes a row of several soil lifting units arranged in parallel, and the soil lifting unit has an inclined 7-shaped appearance. An actively rotatable soil taking chain is arranged in the trough body at the front end of the soil lifting unit, and soil taking seed cups are evenly distributed on the soil taking chain. The bottom of the trough body is located behind the auger of the rotary tiller, and the rear end of the soil lifting unit is a soil flow trough, and the lower end of the soil flow trough is located above the position between the film pressing wheel and the soil pressing wheel, which is used to cover the soil taken by the soil lifting unit on the edge of the ground film; The two ends of the shaping wheel are symmetrically arranged conical surfaces, with larger diameters at the two ends and smaller diameters in the middle; a seed pressing wheel is fixedly connected to the middle position of the shaping wheel, and an annular groove is arranged in the middle of the seed pressing wheel. During sowing, the seed pressing wheel rolls the seeds planted in double rows on the ridge, and the drip irrigation belt placed between the double rows of seeds is located in the position of the annular groove; two groups of seed dropping devices are arranged at the front end of each shaping wheel, and the seed dropping devices are respectively located at the front ends of the cylindrical bosses on both sides of the annular groove of the seed pressing wheel; the seed disc brackets at the upper ends of the ridge building and shaping devices are respectively arranged corresponding to the seed dropping devices, and a disc-shaped seed belt is placed on the seed disc bracket, and the end of the seed belt will be laid on the top of the ridge through the corresponding seed dropping device and lightly pressed by the seed pressing wheel; The two sides of the drip irrigation belt installation frame are transmission connection plates, and the upper end of the middle position is fixedly connected with a drip irrigation bracket, and the drip irrigation belt is rotatably arranged on the bracket; the drip irrigation belt installation frame is also fixedly connected with a seat; the end of the drip irrigation belt passes through the lower drip irrigation belt device and is laid on the top of the ridge; The lower drip irrigation belt device comprises a height adjustment bracket, a lower tube barrel and a plurality of guide wheels, the height adjustment bracket is fixedly connected to the drip irrigation belt mounting frame, the lower tube barrel is plugged into the height adjustment bracket through a square tube, and can move up and down along the height adjustment bracket; the upper end of the lower tube barrel is an inlet bracket, and the inlet bracket is fixedly connected to the height adjustment bracket; the two sides of the upper end of the inlet bracket are symmetrically connected with inlet lateral guide wheels longitudinally, and the lower end is transversely provided with an inlet guide wheel; the lower tube barrel is a hollow shell, the upper end is transversely provided with a rotatable upper guide wheel, the lower end is transversely provided with a rotatable lower guide wheel, and the lowest end is the pipe outlet; the drip irrigation belt passes between the two inlet lateral guide wheels, passes through the inlet guide wheel, the upper guide wheel and the side of the lower guide wheel away from the square tube, and passes through the pipe outlet.

2. A multifunctional carrot planting machine according to claim 1, characterized in that: The upper end of the rotary tiller is fixedly connected with a main transmission box, which is used to drive the rotary tillage mechanism to work, and power output ends are arranged on the side and rear end of the main transmission box; the upper end of the rotary tiller is fixedly connected with a transfer box, which is arranged on the side of the main transmission box, and the transfer box and the power output end on the side of the main transmission box form a transmission connection, and the transfer box is used to drive the automatic soil lifting device to work, and the transfer box also transmits power to the transmission sprocket on the side of the drip irrigation belt mounting frame through the soil lifting drive shaft, and the transmission sprocket then transmits power to the auger to drive the auger to rotate; the power output end arranged at the rear end of the main transmission box transmits power to the shaping wheel drive box fixedly connected to the ridge building and shaping device through the transmission shaft, and the shaping wheel drive box then transmits power to the forming wheel drive boxes on both sides of the ridge building and shaping device frame through the transmission shaft, and the forming wheel drive box simultaneously drives the shaping wheel to rotate.

3. The multifunctional carrot planting machine according to claim 1, characterized in that: A row of parallel soil dividing plates with the same spacing are arranged at the front end of the frame of the ridge dividing and soil pressing device, which divides the area plowed by the rotary tiller into a number of small ridges; a soil pressing plate is fixedly connected to the rear of the soil dividing plates, and the soil pressing plate is arranged at the upper end of the rear of the soil dividing plates to flatten the top of the small ridges; a number of notches are arranged on the soil pressing plate, and the bottom of the soil lifting unit of the automatic soil lifting device passes through the notches.

4. The multifunctional carrot planting machine according to claim 1, characterized in that: A trapezoidal scraper plate is fixedly connected to the middle position of the shaping wheel.

5. The multifunctional carrot planting machine according to claim 1, characterized in that: The bottom of the soil lifting unit is connected in series through a soil lifting drive shaft, and a transmission connection is formed between the transfer case and the soil lifting drive shaft; the cup mouth of the soil taking seed cup of the soil lifting unit faces upward, soil is taken from the bottom of the soil lifting unit, and the soil is lifted to the top of the soil taking chain, and the soil is turned into the soil flow trough by flipping the cup mouth.

6. The multifunctional carrot planting machine according to claim 1, characterized in that: The seed dropping device comprises a catheter support and a seed dropping catheter fixedly connected to the catheter support; the upper end of the seed dropping catheter is a straight tube, and the lower end is bent toward the shaping wheel, and the seed belt passes through the center of the seed dropping catheter.

7. The multifunctional carrot planting machine according to claim 1, characterized in that: The film spreading and laminating device comprises a film spreading and laminating device frame, on which a plurality of film roller brackets are transversely fixedly connected, and adjacent film roller brackets are arranged at staggered positions up and down, and the ground film roller is sleeved on the film roller bracket; a film guide roller and a spiral head film guide roller are arranged behind the film roller bracket, and the spiral head film guide roller is arranged behind the film guide roller, and a fixed gap is maintained between the two. After passing through the gap, the ground film is respectively laid on the corresponding ridge top, and adjacent ground films overlap each other after being laid on the ridge top; Both ends of the spiral head film guide roller are respectively provided with spiral grooves for stretching and laying the edge of the outermost ground film; two rows of horizontal pipes are fixedly connected front and back behind the spiral head film guide roller, a horizontal row of film pressing wheels that can float up and down is sleeved on the front row of horizontal pipes, and a horizontal row of soil pressing wheels that can float up and down is sleeved on the rear row of horizontal pipes, and the film pressing wheels and the soil pressing wheels are respectively arranged in the same line along the forward direction of the machine, and the bottom of the soil flow trough at the rear end of the soil lifting unit is located above the empty space between the film pressing wheels and the soil pressing wheels arranged in the same line.

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