Suspended rotary tillage, ridging, fertilization and film mulching all-in-one machine

Abstract

The utility model discloses a suspension type rotary tillage, ridging, fertilization and film mulching all-in-one machine which comprises a rack, a cultivation device, a ridging device, a fertilization device, a film mulching device and a soil covering device, wherein the cultivation device, the ridging device, the fertilization device, the film mulching device and the soil covering device are arranged on the rack. The cultivation device comprises a cutter shaft, a rotary tillage cutter and a rotary driving mechanism; the ridging device comprises a ridging cutter and a ridging piece; the fertilizing device comprises a fertilizer box and a fertilizer feeder; in the operation advancing direction, the film mulching device is arranged behind the ridging device, and the soil covering device is arranged behind the film mulching device; the film covering device comprises a mold hanging frame, a film covering roller and a film pressing wheel; and the soil covering device comprises a soil covering wheel. The suspension type rotary tillage, ridging, fertilization and film mulching all-in-one machine can achieve tilling, ridging, fertilization and film mulching work, is higher in automation degree and intelligent degree, can improve production efficiency, relieve burden of workers, improve planting efficiency and reduce labor cost, and therefore promotes the mechanization process of the whole tobacco planting process.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to a suspended rotary tillage, ridging, fertilizing and film-laying integrated machine. Background Art

[0002] Problems such as low tobacco planting efficiency and high labor costs have always restricted the development of the tobacco industry. In order to solve these problems, full mechanization of tobacco planting has become a development trend in the industry. Full mechanization covers seedling cultivation, tillage and land preparation, fertilization, film covering, transplanting, irrigation, soil cultivation, spraying, topping and branch removal, harvesting, pulling poles and drying. In order to accelerate the process of full mechanization, it is necessary to improve the technical level of key links and reduce labor intensity to solve the problem of labor shortage. Among them, the development of multifunctional all-in-one machines suitable for tobacco field preparation, ridging, fertilization and film covering will be of great significance. The multifunctional all-in-one machine improves production efficiency, reduces the burden on workers, improves planting efficiency and reduces labor costs through the improvement and integrated design of rotary tillage, ridging technology and automated fertilization and film covering devices, thereby promoting the process of full mechanization of tobacco planting. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the utility model provides a suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine, which can realize tillage, ridging, fertilizing and film-laying, and has not only a higher degree of automation and intelligence, but also can improve production efficiency, reduce the burden on workers, improve planting efficiency and reduce labor costs, thereby promoting the process of full mechanization of tobacco planting.

[0004] The technical solution of the utility model to solve the above technical problems is:

[0005] A suspended rotary tillage, ridging, fertilizing and film-laying integrated machine comprises a frame, a tillage device, a ridging device, a fertilizing device, a film covering device and a soil covering device arranged on the frame, wherein the tillage device comprises a knife shaft arranged on the frame, a rotary tillage tool arranged on the knife shaft and a rotary drive mechanism for driving the knife shaft to rotate; the ridging device comprises a ridging tool arranged on the knife shaft and a ridging piece arranged on both sides of the frame; along the working direction of travel, the ridging piece is arranged behind the knife shaft; the fertilizing device comprises a fertilizer box arranged on the frame and a fertilizer discharger arranged below the discharge port of the fertilizer box; along the working direction of travel, the film covering device is arranged behind the ridging piece, and the soil covering device is arranged behind the film covering device; wherein the film covering device comprises a hanging mold frame, a film covering roller and a film pressing wheel arranged on the frame; and the soil covering device comprises soil covering wheels arranged on both sides of the frame.

[0006] Preferably, the rotary tilling tools are in two groups, which are arranged on both sides of the tool shaft and are symmetrically arranged; wherein each group of rotary tilling tools includes multiple rotary tilling tools, which are arranged along the axial direction of the tool shaft, and two adjacent rotary tilling tools are staggered; each rotary tilling tool includes a rotary tilling tool seat and a rotary tilling tool arranged on the rotary tilling tool seat.

[0007] Preferably, the ridging tools are in two groups, which are symmetrically arranged and located on the outside of the rotary tillage tool; each group of ridging tools has multiple ridging tools, which are arranged along the axial direction of the tool shaft, and two adjacent ridging tools are staggered; each ridging tool includes a ridging tool seat and a ridging knife arranged on the ridging tool seat.

[0008] Preferably, the ridging member comprises a mounting seat, a ridging side plate and a ridging upper plate arranged on the mounting seat, wherein the mounting seat is mounted on the frame via the U-shaped bolts.

[0009] Preferably, the rotary drive mechanism includes a suspension frame, a transmission shaft arranged on the suspension frame, and a gear reversing box arranged in the middle of the transmission shaft, wherein the upper end of the suspension frame is installed in the fertilizer box, and the lower end is installed on the frame; the transmission shaft passes through the suspension frame, and both ends of the transmission shaft are rotatably connected to the frame; the input shaft in the gear reversing box is connected to the power shaft of the traction vehicle, and the output shaft is connected to the transmission shaft, or the transmission shaft constitutes the output shaft of the gear reversing box; the transmission shaft and the knife shaft are connected through the gear transmission mechanism in the transmission gear box.

[0010] Preferably, the suspension frame is a triangular structure.

[0011] Preferably, the frame is provided with a connecting ear for connecting to a traction vehicle.

[0012] Preferably, a support frame is provided on the rear side of the frame, and the frame is connected to the support frame by a first height adjustment mechanism, and the first height adjustment mechanism is used to adjust the height of the support frame. The first height adjustment mechanism consists of two groups, and the two groups of first height adjustment mechanisms are respectively arranged on both sides of the frame, including an adjustment seat, and the adjustment seat is provided with a first hinge hole and multiple groups of first adjustment holes, and the multiple groups of first adjustment holes are arranged at equal angles with the first hinge hole as the center of the circle; the support frame is provided with a second hinge hole and a second adjustment hole, and when the support frame is installed on the adjustment seat, the first hinge hole is connected to the second hinge hole and is locked by a locking piece; the second adjustment hole is connected to one group of the first adjustment holes and is locked by a locking piece.

[0013] Preferably, the coating roller is connected to the support frame via a second height adjustment mechanism, and the second height adjustment mechanism is used to adjust the height of the coating roller. The second height adjustment mechanism includes a sliding seat and a slider arranged on the sliding seat, wherein the sliding seat is provided with a slide groove, the slider is installed in the slide groove, and the lower end of the slider is connected to the coating roller; a locking hole is also provided in the sliding seat, and after the position of the slider is adjusted, the slider is tightened by passing a locking screw through the locking hole.

[0014] Preferably, a shock-absorbing mechanism is arranged between the bracket of the covering wheel and the support frame, and the shock-absorbing mechanism consists of two groups, which are symmetrically arranged on both sides of the support frame; each group of shock-absorbing mechanism comprises a mounting frame, a shock-absorbing seat and a shock-absorbing spring arranged on the shock-absorbing seat, wherein the mounting frame is mounted on the support frame through a spacing mechanism, and the spacing adjustment mechanism is used to adjust the position of the mounting frame; one end of the bracket is hinged on the mounting frame, and the other end is connected to the covering wheel; the film pressing wheel is mounted on the mounting frame; the lower end of the shock-absorbing seat is hinged on the bracket, and a support rod is arranged at the upper end, and the shock-absorbing spring is sleeved on the outside of the support rod; the mounting frame is provided with a guide groove at a position corresponding to the support rod, and the extension direction of the guide groove is perpendicular to the length direction of the support rod; the lower end of the shock-absorbing spring acts on the shock-absorbing seat, and the upper end acts on the bottom of the mounting frame.

[0015] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0016] (1) The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine of the utility model can complete the combined operations of rotary tillage, soil crushing, ridging and shaping, precise fertilization, film covering and soil covering, and film pressing at one time, with a higher degree of automation and intelligence.

[0017] (2) The suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine of the utility model has a simple structure, ingenious design, easy operation, high working efficiency, and effectively reduces the labor intensity of workers; in addition, the suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine of the utility model has a good use effect and is suitable for widespread promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1-Figure 3 The schematic diagrams are structural diagrams from three different perspectives of the suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine of the utility model.

[0019] Figure 4 for- Figure 6 Schematic diagrams of the structure of the frame, tillage device and ridging device from three different perspectives.

[0020] Figure 7It is a structural schematic diagram of the adjustment seat.

[0021] Figure 8 and Fig. 9 The diagrams are structural diagrams of the film covering device and the soil covering device from two different perspectives.

[0022] Fig.10 It is a structural diagram of the shock absorbing mechanism.

[0023] Fig.11 It is a structural schematic diagram of the second height adjustment mechanism.

[0024] Fig.12 and Fig.13 Schematic diagrams of the structures of the tillage device and the ridging device from two different perspectives.

[0025] Fig.14 It is a schematic diagram of the structure of a U-bolt.

[0026] Fig.15 It is a schematic diagram of the structure of the knife shaft, rotary tillage tool and ridging tool. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0028] See also Figure 1-Figure 15 The utility model comprises a suspended rotary tillage ridging fertilizing film-laying integrated machine including a frame 1, a tillage device 3 arranged on the frame 1, a ridging device 4, a fertilizing device 2, a film covering device 5 and a soil covering device 6, wherein the tillage device 3 comprises a knife shaft 302 arranged on the frame 1, a rotary tillage tool 301 arranged on the knife shaft 302 and a rotary driving mechanism for driving the knife shaft 302 to rotate; the ridging device 4 comprises a ridging tool 401 arranged on the knife shaft 302 and ridging members arranged on both sides of the frame 1; and the tillage device 3 comprises a rotary tillage tool 301 arranged on the knife shaft 302 and a rotary driving mechanism for driving the knife shaft 302 to rotate. direction, the ridging member is arranged behind the knife shaft 302; the fertilizing device 2 includes a fertilizer box 201 arranged on the frame 1 and a fertilizer discharger arranged below the discharge port of the fertilizer box 201; along the working direction, the film covering device 5 is arranged behind the ridging member, and the soil covering device 6 is arranged behind the film covering device 5; wherein, the film covering device 5 includes a hanging mold frame 501, a film covering roller 502 and a film pressing wheel 503 arranged on the frame 1; the soil covering device 6 includes soil covering wheels 601 arranged on both sides of the frame 1.

[0029] See also Figure 1-Figure 15The rotary tilling tools 301 are divided into two groups, and the two groups of rotary tilling tools 301 are arranged on both sides of the knife shaft 302 and are symmetrically arranged; wherein each group of rotary tilling tools 301 includes multiple rotary tilling tools 301, and the multiple rotary tilling tools 301 are arranged along the axial direction of the knife shaft 302, and two adjacent rotary tilling tools 301 are staggered; each rotary tilling tool 301 includes a rotary tilling tool seat and a rotary tilling tool arranged on the rotary tilling tool seat.

[0030] See also Figure 1-Figure 15 The ridging cutters 401 are divided into two groups, which are symmetrically arranged and located on the outside of the rotary tillage cutter 301; each group of ridging cutters 401 includes multiple ridging cutters, which are arranged along the axial direction of the cutter shaft 302, and two adjacent ridging cutters 401 are staggered; each ridging cutter 401 includes a ridging cutter seat and a ridging cutter arranged on the ridging cutter seat.

[0031] See also Figure 1-Figure 15 The ridging member includes a mounting seat 405, a ridging side plate 402 arranged on the mounting seat 405, a ridging upper plate 403 and a ridging horizontal extension plate 404, wherein the mounting seat 405 is mounted on the cross bar of the frame 1 through the U-shaped bolt 406; by adjusting the mounting position of the U-shaped bolt 406 on the cross bar, the distance between the ridging side plates 402 and the ridging upper plate 403 on both sides can be adjusted.

[0032] See also Figure 1-Figure 15 The rotary drive mechanism includes a suspension frame 13, a transmission shaft 10 arranged on the suspension frame 13, and a gear reversing box 11 arranged in the middle of the transmission shaft 10, wherein the upper end of the suspension frame 13 is installed in the fertilizer box 201, and the lower end is installed on the frame 1; the transmission shaft 10 passes through the suspension frame 13, and both ends of the transmission shaft 10 are rotatably connected to the frame 1; the input shaft 14 in the gear reversing box 11 is connected to the power shaft of the traction vehicle (such as the PTO shaft of the tractor), and the output shaft is connected to the transmission shaft 10, or the transmission shaft 10 constitutes the output shaft of the gear reversing box 11; the transmission shaft 10 is connected to the knife shaft 302 through the gear transmission mechanism in the transmission gear box.

[0033] Through the above-mentioned arrangement, when the suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine of the utility model is installed on a traction vehicle, the input shaft in the gear reversing box 11 can be connected to the power shaft of the traction vehicle (such as the PTO shaft of a tractor), and the input shaft in the gear reversing box 11 is driven to rotate, thereby driving the transmission shaft 10 to rotate. While the transmission shaft 10 rotates, the knife shaft 302 can be driven to rotate through the transmission gear box, thereby driving the rotary tillage tool 301 and the ridging tool 401 arranged on the knife shaft 302 to rotate, thereby completing the rotary tillage operation and ridging operation.

[0034] See also Figure 1-Figure 15 The suspension frame 13 is a triangular structure, which can enhance the stability of the structure.

[0035] See also Figure 1-Figure 15 The frame 1 is provided with a connecting ear 12 for connecting to a traction vehicle, and the suspended rotary tillage, ridging, fertilizing and film-laying integrated machine of the utility model is installed on the traction vehicle through the connecting ear 12; in the present embodiment, the connecting ears 12 are three groups, which are respectively arranged on the three vertices of the triangular structure of the suspension frame 13, wherein each group of connecting ears 12 is provided with a plurality of connecting holes, and the plurality of connecting holes are arranged in an arc shape, and by selecting different connecting holes, the height and angle of the suspended rotary tillage, ridging, fertilizing and film-laying integrated machine of the utility model as a whole, specifically the height and angle of the tillage device 3 and the ridging device 4, can be changed.

[0036] See also Figure 1-Figure 15 A support frame 7 is provided on the rear side of the frame 1, and the frame 1 is connected to the support frame 7 through a first height adjustment mechanism, and the first height adjustment mechanism is used to adjust the height of the support frame 7. The first height adjustment mechanism consists of two groups, and the two groups of first height adjustment mechanisms are respectively arranged on both sides of the frame 1, including an adjustment seat 9, and the adjustment seat 9 is provided with a first hinge hole 901 and multiple groups of first adjustment holes 902, and the multiple groups of first adjustment holes 902 are arranged at equal angles with the first hinge hole 901 as the center of the circle; a second hinge hole 701 and a second adjustment hole 702 are provided on the support frame 7, and when the support frame 7 is installed on the adjustment seat 9, the first hinge hole 901 is communicated with the second hinge hole 701 and locked by a locking piece; the second adjustment hole 702 is communicated with one group of the first adjustment holes 902 and locked by a locking piece; the film covering device 5 and the soil covering device 6 are both installed on the support frame 7.

[0037] When it is necessary to adjust the height and angle of the support frame 7, the second adjustment hole 702 on the support frame 7 can be adjusted to cooperate with the corresponding first adjustment hole 902 on the adjustment seat 9, and locked by a locking member (such as a bolt), so as to adjust the height and angle of the support frame 7, thereby adjusting the height and angle of the film covering device 5 and the soil covering device 6.

[0038] See also Figure 1-Figure 15The coating roller 502 is connected to the support frame 7 via a second height adjustment mechanism, and the second height adjustment mechanism is used to adjust the height of the coating roller 502. The second height adjustment mechanism includes a sliding seat 504 and a slider 505 arranged on the sliding seat 504, wherein the sliding seat 504 is provided with a slide groove, the slider 505 is installed in the slide groove, and the lower end of the slider 505 is connected to the mounting frame of the coating roller 502; the sliding seat 504 is also provided with a locking hole 506, and after the position of the slider 505 is adjusted, the slider 505 is pressed by passing the locking screw through the locking hole 506. By setting the above structure, the height of the coating roller 502 can be adjusted separately to adapt to the work of coating and covering soil for different ridge widths and ridge heights.

[0039] See also Figure 1-Figure 15 A shock absorbing mechanism is arranged between the bracket 602 of the covering wheel 601 and the support frame 7. The shock absorbing mechanism is divided into two groups, and the two groups of shock absorbing mechanisms are symmetrically arranged on both sides of the support frame 7; each group of shock absorbing mechanisms includes a mounting frame 15, a shock absorbing seat 603 and a shock absorbing spring 604 arranged on the shock absorbing seat 603, wherein the mounting frame 15 is mounted on the support frame 7 through a spacing adjustment mechanism, and the spacing adjustment mechanism can adopt the "U-shaped bolt" mentioned above, and the film pressing wheel 503 is mounted on the mounting frame 15; one end of the bracket 602 is hinged on the mounting frame 15, and the other end It is connected to the earth-covering wheel 601; the lower end of the shock-absorbing seat 603 is hinged on the bracket 602, and the upper end is provided with a support rod 605, and the shock-absorbing spring 604 is sleeved on the outside of the support rod 605; the mounting frame 15 is provided with a guide groove 703 at a position corresponding to the support rod 605, and the extension direction of the guide groove 703 is perpendicular to the length direction of the support rod 605; the lower end of the shock-absorbing spring 604 acts on the shock-absorbing seat 603, and the upper end acts on the bottom of the mounting frame 15, and the elastic force of the shock-absorbing spring 604 prompts the earth-covering wheel 601 to press the ground downward.

[0040] See also Figure 1-Figure 15 The frame 1 includes a front crossbeam, a rear crossbeam, a left baffle, a right baffle and an upper fender, wherein the suspension frame 13 and the double-funnel fertilizer box (i.e., the fertilizer box 201) are installed on the front crossbeam and the rear crossbeam; a side mounting plate is installed on the left baffle, and a transmission gear box is installed on the right baffle; the knife shaft 302 is installed between the left baffle and the right baffle, and is connected to the transmission gear box 8.

[0041] In this embodiment, the distance between the left baffle and the right baffle is 1630mm, the length of the knife shaft 302 is 1790mm, the spacing between the frame 1 and the double funnel fertilizer box is 1305mm; the width of the support frame 7 is 1340mm, and the front and rear length of the whole machine is 1700mm; the volume of the left fertilizer box in the double funnel fertilizer box is 0.251m 3 、The capacity of the fertilizer box on the right is 0.110m 3 , the total volume of the fertilizer box is 0.361m 3 , which can meet the needs of applying two different fertilizers at the same time.

[0042] Compared with the traditional ridging blade, the suspended rotary tillage ridging fertilizing film-laying integrated machine of the utility model adopts a unique design (the influence of ridging height and fertilization method on tobacco planting soil and tobacco yield quality), replacing the rotary tillage cutters 301 on both sides with ridging cutters 401. The spiral line is arranged and arranged by staggered installation method, and the parameters such as rotary tillage speed ratio and soil cutting pitch are analyzed and calculated. At the same time, the power consumption of the rotary tillage component is calculated to be 1.55KW. This design change not only successfully performs the basic function of rotary tillage and soil crushing, but also achieves the ridging effect by introducing the ridging cutter 401, thereby further reducing the workload of agricultural operations. This improvement improves the comprehensive efficiency of the suspended rotary tillage ridging fertilizing film-laying integrated machine of the utility model.

[0043] In addition, due to the introduction of the rotary tillage cutter 301, soil clods can be broken more effectively during ridge formation, making the soil smaller and more uniform. This helps to create ideal soil conditions, which has a positive impact on soil improvement and plant growth environment, helps to improve soil aeration and water permeability, and promotes the development of plant roots.

[0044] In addition, to adapt to different crops and different farming requirements, the ridging piece is designed with adjustable depth and width. This allows farmers or operators to adjust the ridging depth and width according to specific needs to achieve more flexible and customized agricultural production. The angle of the shaping plate is designed to be 55°.

[0045] See also Figure 1-Figure 15 The working principle of the suspended rotary tillage, ridging, fertilizing and film-laying integrated machine of the utility model is:

[0046] When in use, the suspended rotary tillage, ridging, fertilizing and film-laying integrated machine of the utility model is installed on a tractor through a connecting ear 12, and the power output shaft of the tractor is connected to the input shaft of the transmission gear box to realize power input; the transmission shaft 10 transmits power to the knife shaft 302, and the fertilizer discharger is connected to the vehicle battery of the tractor and is electrically driven. The fertilizer discharger is installed at the outlet at the bottom of the double-funnel fertilizer box, and the fertilizer discharger works and discharges fertilizer to the rear of the knife shaft 3022. Under the action of the rotary tillage cutter 301, the fertilizer is fully mixed with the soil, and the ridging device 4 performs ridging work. By adjusting the height of the ridging cutter 401 from the ground and the spacing between the ridging side plates 402 on both sides to meet different ridge height requirements, the ground film is installed on the film hanging frame, pressed on the ridge by the film covering roller 502, and compacted at both ends of the ground film by the film pressing wheel 503, and finally covered with soil on both sides of the ground film by the covering wheel 601 to prevent the ground film from turning up due to external force.

[0047] The suspended rotary tillage, ridging, fertilizing and film-laying all-in-one machine of the utility model improves the design of the rotary tillage tool 301 and the ridging tool 401. On the premise of meeting the requirements of rotary tillage and soil crushing, the rotary tillage tools on both sides are replaced with ridging tools, and cooperate with the adjustable ridging device to achieve excellent soil crushing effect, sufficient ridging soil volume, full ridge shape, and can meet the requirements of different ridge shapes; the double fertilizer box large-volume design of the fertilizer box 201 meets the simultaneous fertilization of different fertilizers; in addition, the utility model adjusts the height and angle of the film pressing wheel 503 and the soil covering wheel 601, so that the film covering device 6 can meet the requirements of crop film covering in various terrains, expands the scope of application of the utility model, and further realizes multifunctional integrated operation; in addition, the utility model adds a ridging tool 401 to the rotary tillage tool 301, so that rotary tillage and ridging are completed at one time, and at the same time, the ridging device 4 and the film covering device 5 are both set to be adjustable, which can meet the requirements of different ridge widths and heights, and realize ridging film covering for different crops in various terrains.

[0048] The above is a preferred implementation mode of the present invention, but the implementation mode of the present invention is not limited by the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A suspended rotary tillage, ridging, fertilizing and film-laying integrated machine, characterized in that: The invention comprises a frame, a tillage device, a ridging device, a fertilizing device, a film covering device and a soil covering device arranged on the frame, wherein the tillage device comprises a cutter shaft arranged on the frame, a rotary tillage tool arranged on the cutter shaft and a rotary drive mechanism for driving the cutter shaft to rotate; the ridging device comprises a ridging tool arranged on the cutter shaft and ridging pieces arranged on both sides of the frame; along the working direction, the ridging pieces are arranged behind the cutter shaft; the fertilizing device comprises a fertilizer box arranged on the frame and a fertilizer discharger arranged below the discharge port of the fertilizer box; along the working direction, the film covering device is arranged behind the ridging piece, and the soil covering device is arranged behind the film covering device; wherein the film covering device comprises a mold hanging frame, a film covering roller and a film pressing wheel arranged on the frame; the soil covering device comprises soil covering wheels arranged on both sides of the frame; A support frame is arranged at the rear side of the frame, and the frame and the support frame are connected by a first height adjustment mechanism, and the first height adjustment mechanism is used to adjust the height of the support frame. The first height adjustment mechanism consists of two groups, and the two groups of first height adjustment mechanisms are respectively arranged on both sides of the frame, including an adjustment seat, and the adjustment seat is provided with a first hinge hole and multiple groups of first adjustment holes, and the multiple groups of first adjustment holes are arranged at equal angles with the first hinge hole as the center of the circle; the support frame is provided with a second hinge hole and a second adjustment hole, and when the support frame is installed on the adjustment seat, the first hinge hole is connected with the second hinge hole and is locked by a locking piece; the second adjustment hole is connected with one group of the first adjustment holes and is locked by a locking piece.

2. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1 is characterized in that: The rotary tilling tools are in two groups, which are arranged on both sides of the tool shaft and are symmetrically arranged; each group of rotary tilling tools includes multiple rotary tilling tools, which are arranged along the axial direction of the tool shaft, and two adjacent rotary tilling tools are staggered; each rotary tilling tool includes a rotary tilling tool seat and a rotary tilling tool arranged on the rotary tilling tool seat.

3. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1 is characterized in that: There are two groups of ridging tools, which are symmetrically arranged and located on the outside of the rotary tillage tool; each group of ridging tools has multiple ridging tools, which are arranged along the axial direction of the tool shaft, and two adjacent ridging tools are staggered; each ridging tool includes a ridging tool seat and a ridging knife arranged on the ridging tool seat.

4. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1 is characterized in that: The ridging member comprises a mounting seat, a ridging side plate and a ridging upper plate arranged on the mounting seat, wherein the mounting seat is mounted on the frame by means of U-shaped bolts.

5. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1 is characterized in that: The rotary drive mechanism includes a suspension frame, a transmission shaft arranged on the suspension frame, and a gear reversing box arranged in the middle of the transmission shaft, wherein the upper end of the suspension frame is installed in the fertilizer box, and the lower end is installed on the frame; the transmission shaft passes through the suspension frame, and both ends of the transmission shaft are rotatably connected to the frame; the input shaft in the gear reversing box is connected to the power shaft of the traction vehicle, and the output shaft is connected to the transmission shaft, or the transmission shaft constitutes the output shaft of the gear reversing box; the transmission shaft and the knife shaft are connected through the gear transmission mechanism in the transmission gear box.

6. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 5 is characterized in that: The suspension frame is a triangular structure.

7. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1 is characterized in that: The frame is provided with a connecting ear for connecting with a traction vehicle.

8. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 1, characterized in that: The coating roller is connected to the support frame via a second height adjustment mechanism, and the second height adjustment mechanism is used to adjust the height of the coating roller. The second height adjustment mechanism includes a sliding seat and a slider arranged on the sliding seat, wherein the sliding seat is provided with a slide groove, the slider is installed in the slide groove, and the lower end of the slider is connected to the coating roller; a locking hole is also provided in the sliding seat, and after the position of the slider is adjusted, the slider is tightened by passing a locking screw through the locking hole.

9. The suspended rotary tillage, ridging, fertilizing and film-laying integrated machine according to claim 8, characterized in that: A shock-absorbing mechanism is arranged between the bracket of the covering wheel and the supporting frame, and the shock-absorbing mechanism consists of two groups, which are symmetrically arranged on both sides of the supporting frame; each group of shock-absorbing mechanism comprises a mounting frame, a shock-absorbing seat and a shock-absorbing spring arranged on the shock-absorbing seat, wherein the mounting frame is mounted on the supporting frame through a spacing adjustment mechanism, and the spacing adjustment mechanism is used to adjust the position of the mounting frame; one end of the bracket is hinged on the mounting frame, and the other end is connected to the covering wheel; the film pressing wheel is mounted on the mounting frame; the lower end of the shock-absorbing seat is hinged on the bracket, and a support rod is arranged on the upper end, and the shock-absorbing spring is sleeved on the outside of the support rod; the mounting frame is provided with a guide groove at a position corresponding to the support rod, and the extending direction of the guide groove is perpendicular to the length direction of the support rod; the lower end of the shock-absorbing spring acts on the shock-absorbing seat, and the upper end acts on the bottom of the mounting frame.

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