Seeding machine capable of cutting film and breaking belt

Abstract

The utility model discloses a seeding machine capable of cutting films and breaking strips, which comprises a central rack and a plurality of unit seeding machines, the upper end and the lower end of the central rack are respectively and fixedly connected with an upper suspension point and a lower suspension point which are connected with a tractor, and the two ends of the central rack are respectively provided with a first stretching and lifting oil cylinder and a second stretching and lifting oil cylinder. Cross beams are arranged at the two ends of the central rack, first four-connecting-rod mechanisms are arranged between the central rack and the two cross beams, second four-connecting-rod mechanisms are arranged at the two ends of the multiple unit seeding machines, and connecting clamps are arranged between the multiple second four-connecting-rod mechanisms and the central rack and between the multiple second four-connecting-rod mechanisms and the two cross beams; and the first stretching and lifting oil cylinder and the second stretching and lifting oil cylinder are respectively controlled by adopting independent hydraulic oil ways. According to the utility model, through the control of the two independent hydraulic oil paths, the independent lifting of the left and right seeding machine units can be realized, the transportation and the obstacle avoidance during operation are facilitated, and the functionality and the high efficiency of the seeding machine are improved.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to seeding machine technical field, concretely is a kind of film cutting and belt breaking seeding machine. BACKGROUND

[0002] In the process of agricultural production towards modernization, large-scale, high-standard farmland gradually becomes the mainstream of cultivation mode. This kind of farmland creates favorable conditions for large-scale, high-efficiency agricultural operation with its land leveling, centralized and complete supporting facilities. High-power tractor is widely used in high-standard farmland with its powerful power output and high operating speed, and becomes the key equipment to improve agricultural production efficiency.

[0003] Traditional seeding machine faces severe challenges in transportation process. Due to lack of flexibility in structural design, the overall width is fixed and large, and in road transportation, it is easily restricted by width limit, height limit and road conditions, etc. The transportation difficulty is greatly increased, and the transportation cost is also rising. When facing obstacles such as electric poles and trees, or operating in narrow areas, due to lack of effective obstacle avoidance mechanism and flexible operation mode adjustment ability, traditional seeding machine is difficult to accurately complete seeding task, which seriously affects operation efficiency and operation range. UTILITARIAN CONTENT

[0004] The utility model aims at solving the problem of lack of large-power tractor supporting operation of large-scale compound seeding machine in high-standard farmland, and proposes a film cutting and belt breaking seeding machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A film cutting and belt breaking seeding machine, comprising a central frame and a plurality of unit seeding machines, the upper and lower ends of the central frame are respectively fixedly connected with an upper suspension point and a lower suspension point connected with a tractor, the two ends of the central frame are respectively provided with a first lifting oil cylinder and a second lifting oil cylinder, the ends of the first lifting oil cylinder and the second lifting oil cylinder close to each other are respectively hinged to the two ends of the central frame, the two ends of the central frame are both provided with a cross beam, the central frame and the two cross beams are both provided with a first four-bar linkage mechanism, the piston rods of the first lifting oil cylinder and the second lifting oil cylinder are respectively hinged to the two cross beams, the two ends of the plurality of unit seeding machines are both provided with a second four-bar linkage mechanism, the plurality of second four-bar linkage mechanisms and the central frame and the two cross beams are both provided with a connecting card, and the first lifting oil cylinder and the second lifting oil cylinder are respectively controlled by independent hydraulic oil circuit.

[0007] As a further description of the above technical scheme, the unit seeding machine comprises a film cutting device, the film cutting device comprises a film cutting device fixing frame and two cutting knives, both of which are rotatably installed on the film cutting device fixing frame, both ends of the unit seeding machine are rotatably installed with two film cutting device oil cylinders arranged in symmetry, and the piston rods of the two film cutting device oil cylinders are hingedly connected with the two cutting knives.

[0008] As a further description of the above technical scheme, the first lifting oil cylinder is fixedly installed with a first lifting oil cylinder oil inlet and a first lifting oil cylinder oil outlet, the second lifting oil cylinder is fixedly installed with a second lifting oil cylinder oil inlet and a second lifting oil cylinder oil outlet, and the plurality of film cutting device oil cylinders are fixedly installed with a plurality of film cutting device oil inlets and a plurality of film cutting device oil outlets.

[0009] As a further description of the above technical scheme, the unit seeding machine further comprises two seeding machine racks, the film cutting device fixing frame is fixedly installed between the two seeding machine racks, one end of the two seeding machine racks away from the central rack is fixedly connected with a hill drop device, the central rack is fixedly installed with an air pump, and the air outlet of the air pump and the air inlet of the hill drop device are fixedly installed with an air pipe.

[0010] As a further description of the above technical scheme, the two seeding machine racks are fixedly installed with a fertilizer box above the film cutting device fixing frame, one end of the two seeding machine racks away from the hill drop device is rotatably installed with a roller, the fertilizer box is provided with a fertilizer discharging device, and the output end of the roller and the fertilizer discharging device are provided with a fertilizer application transmission shaft.

[0011] As a further description of the above technical scheme, the two seeding machine racks are fixedly installed with a drip irrigation belt fixing frame near the fertilizer box, the two seeding machine racks are provided with a mulching film fixing frame near the roller, one end of the two seeding machine racks near the mulching film fixing frame is fixedly installed with a furrowing shovel, both ends of the mulching film fixing frame are installed with film pressing wheels through height-adjustable mounting seats, the two seeding machine racks are provided with a soil covering device soil shovel near the furrowing shovel, the two seeding machine racks are installed with a film surface soil covering device through a rotating shaft, and the film surface soil covering device is arranged below the drip irrigation belt fixing frame.

[0012] Compared with the prior art, the unit seeding machine has the following beneficial effects:

[0013] The utility model discloses, because the independent hydraulic oil way control is adopted on the first lift oil cylinder and the second lift oil cylinder respectively, can control the left and right two unit seeding machines independent lifting through operating the first lift oil cylinder and the second lift oil cylinder respectively, when transporting, the driver can control the lift oil cylinder, and let unit seeding machine rise to the central frame part above, effectively reduce the transportation width, overcome the road transportation restriction, in the operation, face the pole, narrow field block etc. Obstacles, can control unit seeding machine lifting obstacle -avoiding flexibly, can also switch a variety of operation modes according to the terrain and planting demand, and the function of cooperation with the profiled seeding, automatic cutting film breaks the belt etc. All -round improvement seeding machine functionality, significantly improve the operation efficiency, satisfy the demand of high -standard farmland to large -power tractor matching large -scale compound seeding machine. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the side view of the overall structure of the utility model;

[0016] Figure 3 It is the structure schematic diagram on unit seeding machine of the utility model;

[0017] Figure 4 It is the structure schematic diagram on cutting film device of the utility model;

[0018] Figure 5 It is the structure schematic diagram on cutting film device fixing frame of the utility model.

[0019] Sign: 100, central frame;101, upper suspension point;102, connecting card;103, lower suspension point;104, first lift oil cylinder;105, second lift oil cylinder;106, first lift oil cylinder oil inlet;107, first lift oil cylinder oil outlet;108, second lift oil cylinder oil inlet;109, second lift oil cylinder oil outlet;110, air pump;111, air pipe;112, crossbeam;113, first four connecting rod mechanism;

[0020] 200, unit seeding machine;201, second four connecting rod mechanism;202, seeding machine frame;203, press roller;204, fertilization transmission shaft;205, fertilizer box;206, drip irrigation tape fixing frame;207, film surface soil covering device;208, cutter;209, hole seeder;210, furrower;211, film pressing wheel;212, cutting film device oil cylinder;213, soil covering device top soil shovel;214, mulching film fixing frame;215, cutting film oil cylinder oil inlet;216, cutting film oil cylinder oil outlet;217, cutting film device fixing frame. DETAILED DESCRIPTION

[0021] For the convenience of understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and the drawings show several embodiments of the utility model, but the utility model can be realized through different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0022] Please refer to the drawings Figures 1-5 The utility model provides a kind of technical scheme: a kind of film cutting strip seeding machine, including central rack 100 and multiple unit seeding machines 200, the upper and lower ends of central rack 100 are fixedly connected with the upper suspension point 101 and the lower suspension point 103 connected with tractor, the two ends of central rack 100 are equipped with first lift cylinder 104 and second lift cylinder 105, the end of first lift cylinder 104 and second lift cylinder 105 mutually close is respectively hinged with the two ends of central rack 100, the two ends of central rack 100 are equipped with crossbeam 112, first four-bar linkage mechanism 113 is equipped between central rack 100 and two crossbeams 112, the piston rod of first lift cylinder 104 and second lift cylinder 105 is respectively hinged with two crossbeams 112, multiple unit seeding machines 200 two ends are equipped with second four-bar linkage mechanism 201, multiple second four-bar linkage mechanisms 201 and central rack 100 and two crossbeams 112 between are equipped with connecting card 102, first lift cylinder 104 and second lift cylinder 105 are controlled using independent hydraulic oil circuit respectively, by respectively operating first lift cylinder 104 and second lift cylinder 105, left and right two unit seeding machines 200 independent lifting can be controlled, to adapt to different operation scene and transport demand.

[0023] In an embodiment of the utility model, as Figure 2 、 Figure 4 and Figure 5 As shown in the drawings, the unit seeding machine 200 includes film cutting device, film cutting device includes film cutting device fixing frame 217 and two cutting knives 208, two cutting knives 208 are rotatably installed on film cutting device fixing frame 217, two ends of unit seeding machine 200 are rotatably installed with two symmetrical film cutting device oil cylinders 212, the piston rod of two film cutting device oil cylinders 212 is hinged with two cutting knives 208 respectively, when tractor hydraulic system supplies oil to film cutting device oil cylinder 212, film cutting device oil cylinder 212 piston rod extends or retracts, because piston rod is hinged with cutting knife 208, the linear motion of piston rod is converted into the rotary motion of cutting knife 208 around its rotation point on film cutting device fixing frame 217, so that two cutting knives 208 can cut off mulching film or drip irrigation belt, realize automatic film cutting, greatly improve the operation efficiency, reduce the labor intensity of manual film cutting.

[0024] In an embodiment of the utility model, as Figure 1 、Figure 2 and Figure 3 As shown in the first lifting cylinder 104 fixedly installed with the first lifting cylinder inlet 106 and the first lifting cylinder outlet 107, the second lifting cylinder 105 is fixedly installed with the second lifting cylinder inlet 108 and the second lifting cylinder outlet 109, and the plurality of film cutting device oil cylinders 212 are fixedly installed with the film cutting oil cylinder inlet 215 and the film cutting oil cylinder outlet 216, and the plurality of film cutting oil cylinder inlets 215 and the plurality of film cutting oil cylinder outlets 216 are connected by oil pipes.

[0025] Specifically, the plurality of film cutting oil cylinder inlets 215 and the film cutting oil cylinder outlets 216 are connected by oil pipes, when the tractor provides pressure oil, each film cutting device oil cylinder 212 can simultaneously and equally obtain hydraulic oil supply, which enables the piston rod of each film cutting device oil cylinder 212 to be synchronized to extend or retract, thereby driving the corresponding cutter 208 to be synchronized, when the film cutting operation is performed, the plurality of cutters 208 can simultaneously cut the mulch film and the drip irrigation tape, ensuring the consistency and coordination of the film cutting and tape cutting operation, improving the operation efficiency and quality.

[0026] In an embodiment of the utility model, as shown in Figure 1 and Figure 2 The unit seeder 200 further comprises two seeder frames 202, the film cutting device fixing frame 217 is fixedly installed between the two seeder frames 202, and the two seeder frames 202 are fixedly connected with the hill drop seeders 209 away from the central frame 100, the central frame 100 is fixedly installed with the air pump 110, the air pipe 111 is fixedly installed between the air outlet of the air pump 110 and the air inlet of the hill drop seeder 209, and the air pump 110 is driven by the tractor rear output shaft, and the negative pressure generated by the air pump 110 is transmitted to the hill drop seeder 209 through the air pipe 111, so that the hill drop seeder 209 can use the negative pressure to adsorb seeds, realizing the air suction type seeding mode, and the air suction type seeding has the advantages of high seeding precision, uniform seed distribution and the like, can meet the seeding requirements of different crops, and improves the seeding quality and efficiency.

[0027] In an embodiment of the utility model, as shown in Figure 1 , Figure 2 and Figure 3 The two seeder frames 202 are fixedly installed with the fertilizer boxes 205 above the film cutting device fixing frame 217, and the two seeder frames 202 are rotatably installed with the roller compactors 203 away from the hill drop seeders 209 on the lower side, the fertilizer boxes 205 are provided with fertilizer discharge devices, and the roller compactors 203 are provided with fertilizer transmission shafts 204 between the output ends and the fertilizer discharge devices.

[0028] In detail, the fertilizer box 205 is installed on the seeder frame 202 to provide fertilizer storage for the fertilization link in the seeding process, the fertilizer discharging device is located in the fertilizer box 205 and is responsible for discharging fertilizer quantitatively, the roller 203 is rotatably installed on the lower side of the end of the seeder frame 202 away from the hole seeder 209, when the seeder is moving forward, the roller 203 is used to roll the seedbed by its gravity, thereby playing a role of leveling and compacting the soil, creating a good seedbed environment for the seeds, being conducive to the close contact between the seeds and the soil, promoting the germination of the seeds and the growth of the roots, the fertilizer transmission shaft 204 is connected with the output end of the roller 203 and the fertilizer discharging device, and the fertilizer transmission shaft 204 is used to transmit the power generated by the rotation of the roller 203 to the fertilizer discharging device, so that the fertilizer discharging device is driven to rotate by the fertilizer transmission shaft 204 while the roller 203 is working, thereby realizing the cooperation of the two key operation links of rolling and fertilization, and improving the continuity and efficiency of the seeding operation.

[0029] In an embodiment of the utility model, as shown in Figure 2 and Figure 3 Two seeder frames 202 are fixedly installed with drip irrigation belt fixing frames 206 on the side close to the fertilizer box 205, the two seeder frames 202 are provided with mulch film fixing frames 214 on the side close to the roller 203, the two seeder frames 202 are fixedly installed with furrowing shovels 210 on the end close to the mulch film fixing frames 214, the two ends of the mulch film fixing frame 214 are both installed with film pressing wheels 211 through adjustable height mounting seats, the two seeder frames 202 are provided with earth covering devices upper soil shovels 213 close to the furrowing shovels 210, the two seeder frames 202 are installed with film surface earth covering devices 207 through rotating shafts, and the film surface earth covering devices 207 are arranged below the drip irrigation belt fixing frames 206.

[0030] Specifically, three independent oil circuits are designed in the seeding machine, namely, the first lifting oil cylinder 104 for controlling the central frame 100 and the cross beam 112, the second lifting oil cylinder 105 for controlling the central frame 100 and the cross beam 112, and the oil circuit for controlling the film cutting device oil cylinder 212 on each unit seeding machine 200. Before the machine tool is operated, the upper and lower suspension points 101 and 103 are connected with the upper and lower pull rods of the tractor, and the three oil circuits are connected with the hydraulic system of the tractor. When the machine tool needs to be transported or transferred, in order to reduce the width and improve the road passing performance, the driver controls the left and right lifting oil cylinders, i.e. the first lifting oil cylinder 104 and the second lifting oil cylinder 105, through the hydraulic system, and the left and right unit seeding machines 200 are lifted upwards to the central frame 100, so that the machine tool width can be adjusted, and the problem of road transportation and transfer under the condition of machine tool overwidth is solved. When the machine tool enters the working land, the driver controls the left and right unit seeding machines 200 to be lowered through the hydraulic system, and the machine tool is adjusted for operation. The machine tool has the functions of one-time completion of pressing, fertilizing, laying drip irrigation belt, laying film, covering and pressing film, cutting film, hole planting and the like. Generally, the tractor should be equipped with a Beidou navigation auxiliary driving system to plan the whole field, so as to help the seeding operation to be carried out neatly, accurately and efficiently. When the machine tool is moving forward, the pressing roller 203 rolls the seedbed under the gravity of the seeding machine itself, so as to play a role of leveling and pressing. The fertilizing transmission shaft 204 rotates the torque to the fertilizer box 205, and the fertilizing process is completed through the driving outer groove wheel. The unit seeding machine 200 is connected with the central frame 100 through the second four-bar linkage mechanism 201, so that when the present land surface is uneven, the unit seeding machine 200 can achieve a certain profiling effect, and the problem of uneven seeding depth under the condition of large operation width can be avoided. The drip irrigation belt fixing frame 206 is provided with a drip irrigation belt roll, and as the machine tool moves forward, the drip irrigation belt will be inserted into the soil along the ditching shovel 210 and other auxiliary parts on the machine tool. The film fixing frame 214 is provided with a film roll of a certain specification, and the fixing frame is provided with springs, guide rods and other auxiliary parts, which can keep the film roll at a certain height and pre-tightening force, so as to ensure the flatness of the film and close to the ground. When the film is laid, there are the ditching shovel 210 in front and the height-adjustable film pressing wheel 211, and the soil covering device soil shovel 213 behind, which can press and flatten the film edge, and the soil shovel 213 of the soil covering device not only has the function of covering soil to the film edge, but also has the function of conveying part of the soil to the film surface covering device 207. The purpose is to let the film surface covering device 207 send part of the soil to the middle through the built-in spiral blade during rotation, so as to form a film pressing soil belt, further compact the film, and then realize automatic film cutting through the oil cylinder at the end of the film cutting device, and finally complete the seeding process through the hole planter 209.

[0031] The utility model has carried out the exemplary description to the utility model in the above-mentioned combination drawing, obviously the utility model concrete realization is not limited by above-mentioned mode, only if the method conception and technical scheme of the utility model have been used to carry out this kind of non-essential improvement, or the conception and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A film-cutting and belt-seeding machine comprising a central frame (100) and a plurality of unit seeding machines (200), characterized in that, The upper and lower ends of the central frame (100) are fixedly connected with an upper suspension point (101) and a lower suspension point (103) connected with a tractor, the two ends of the central frame (100) are respectively provided with a first lifting oil cylinder (104) and a second lifting oil cylinder (105), the ends of the first lifting oil cylinder (104) and the second lifting oil cylinder (105) close to each other are respectively hinged to the two ends of the central frame (100), the two ends of the central frame (100) are both provided with a cross beam (112), the central frame (100) and the two cross beams (112) are both provided with a first four-bar linkage mechanism (113), the piston rods of the first lifting oil cylinder (104) and the second lifting oil cylinder (105) are respectively hinged to the two cross beams (112), the two ends of each of the plurality of unit seeders (200) are provided with a second four-bar linkage mechanism (201), the plurality of second four-bar linkage mechanisms (201) and the central frame (100) and the two cross beams (112) are both provided with a connecting clamp (102), and the first lifting oil cylinder (104) and the second lifting oil cylinder (105) are respectively controlled by independent hydraulic oil paths.

2. A film-cutting and belt-seeding machine according to claim 1, characterized in that, The unit seeder (200) comprises a film cutting device, the film cutting device comprises a film cutting device fixing frame (217) and two cutters (208), the two cutters (208) are both rotatably installed on the film cutting device fixing frame (217), and the two ends of the unit seeder (200) are respectively rotatably provided with two film cutting device oil cylinders (212) arranged in a symmetrical manner, and the piston rods of the two film cutting device oil cylinders (212) are respectively hinged to the two cutters (208).

3. A film-cutting and belt-seeding machine according to claim 2, characterized in that, The first lifting oil cylinder (104) is fixedly provided with a first lifting oil cylinder oil inlet (106) and a first lifting oil cylinder oil outlet (107), the second lifting oil cylinder (105) is fixedly provided with a second lifting oil cylinder oil inlet (108) and a second lifting oil cylinder oil outlet (109), each of the plurality of film cutting device oil cylinders (212) is fixedly provided with a film cutting oil cylinder oil inlet (215) and a film cutting oil cylinder oil outlet (216), and the plurality of film cutting oil cylinder oil inlets (215) and the plurality of film cutting oil cylinder oil outlets (216) are respectively and parallelly arranged by an oil pipe.

4. The film-cutting and belt-seeding machine according to claim 2, wherein The unit seeder (200) further comprises two seeder frames (202), the film cutting device fixing frame (217) is fixedly installed between the two seeder frames (202), one end of each of the two seeder frames (202) away from the central frame (100) is fixedly connected with a hill-drop planter (209), the central frame (100) is fixedly provided with an air pump (110), and the air outlet of the air pump (110) and the air inlet of the hill-drop planter (209) are fixedly provided with an air pipe (111).

5. A film-cutting and belt-seeding machine according to claim 4, characterized in that, Two seeding machine frames (202) are fixedly installed with fertilizer boxes (205) above the film cutting device fixing frame (217), and the lower side of the end of the two seeding machine frames (202) away from the hiller (209) is rotatably installed with a roller (203), the fertilizer box (205) is internally provided with a fertilizer discharging device, and the output end of the roller (203) is provided with a fertilizer discharging transmission shaft (204) between the fertilizer discharging device.

6. A film-cutting and belt-seeding machine according to claim 5, characterized in that, The side of the two seeding machine frames (202) close to the fertilizer boxes (205) is fixedly installed with drip irrigation tape fixing frames (206), the side of the two seeding machine frames (202) close to the roller (203) is provided with a mulch film fixing frame (214), the end of the two seeding machine frames (202) close to the mulch film fixing frame (214) is fixedly installed with a furrowing shovel (210), the two ends of the mulch film fixing frame (214) are both installed with film pressing wheels (211) through height-adjustable mounting seats, the place close to the furrowing shovel (210) of the two seeding machine frames (202) is provided with a soil covering device soil shovel (213), and the two seeding machine frames (202) are installed with film surface soil covering devices (207) through rotating shafts, and the film surface soil covering devices (207) are arranged below the drip irrigation tape fixing frames (206).

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