Multi-scene seeder

Abstract

The multi-scene seeder comprises a walking rack, a ditching mechanism is arranged on the front end side of the walking rack in the walking direction, and a seeding mechanism, a drip irrigation mechanism and a soil pressing mechanism are arranged on the rear end side of the walking rack in the walking direction; under hydraulic drive and automatic control of all the mechanisms, ditching, seeding, soil filling, irrigation and other procedures in the seeding process are integrated into an integrated mechanism, and ditching operation with the adjustable depth is sequentially achieved, it is guaranteed that seeds accurately fall into seeding grooves, the seeds are evenly distributed, soil is backfilled into the seeding grooves, soil pressing operation is conducted, and the seeds are covered. According to the invention, all the steps and necessary drip irrigation operation are sequentially completed under the synergistic effect of machinery, so that the efficient operation flow of seeding operation is finally realized, the production operation efficiency is greatly improved, and the method has good market application and popularization prospects.

Description

Technical Field

[0001] The present invention relates to the technical field of planting equipment, and in particular to a multi-scene seeder. Background Art

[0002] With the increase in global population and the acceleration of urbanization, the demand for agricultural products continues to increase, and agricultural production is facing higher production pressure. Traditional agricultural production methods face multiple challenges such as limited land resources, rising labor costs, and climate change. More effective solutions are needed to improve yield and quality.

[0003] Among them, sowing technology is a key link, which not only includes the selection and processing of seeds, but also involves the precise control of parameters such as sowing time, density, and depth. Modern greenhouse sowing technology usually uses automated equipment and precision agriculture technology to ensure that seeds grow under optimal conditions and improve the success rate of sowing and crop yields. However, during the sowing operation, current equipment can only use the same sowing method for different plant types and cannot adjust the sowing method according to the requirements of the plants. In addition, due to the different geographical conditions for plant sowing, sowing equipment is also required to adapt to different terrain and environmental characteristics to ensure smooth sowing operations. In view of this situation, it is necessary to design a seeder suitable for multiple scenarios. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-scenario seeder that solves the above-mentioned technical problems.

[0005] To this end, the technical solution of the present invention is as follows:

[0006] A multi-scenario seeder includes a furrowing mechanism, a sowing mechanism, a drip irrigation mechanism and a soil pressing mechanism arranged on a walking frame; wherein:

[0007] The walking frame includes a frame, inside which a movable platform is horizontally arranged; a translation mechanism is arranged at the bottom of the movable platform, so that the movable platform can move horizontally in the walking direction of the walking frame through the translation mechanism; a lifting mechanism is arranged at the bottom of the translation mechanism, so that the movable platform can move up and down through the lifting mechanism; a walking mechanism is arranged at each of the four top corners on the bottom side of the frame to drive the frame to walk;

[0008] There are two trenching mechanisms, which are symmetrically arranged at the front end side of the walking frame in the walking direction; the trenching mechanism includes a vertically arranged trenching arm, the top end of which is fixed on the bottom surface of the movable platform extending to the outside of the frame, and the bottom end of which is connected to a trenching shovel; the trenching shovel is obliquely arranged on the front side of the trenching arm with the shovel face facing forward, and the back of the bucket is fixed to the bottom end of the trenching arm through a horizontal connecting beam;

[0009] The sowing mechanism is arranged at the rear end side of the walking frame in the walking direction, and includes a seed storage box and a sowing box, which are arranged at intervals up and down and fixed on the frame; an auger is rotatably arranged in the sowing box, and a servo motor is arranged on the outside, and the middle part of the auger is connected to the output shaft of the servo motor through a turbine worm mechanism, so as to drive the auger to rotate through the servo motor; two upper connecting pipes are symmetrically arranged, and the top ends of the two are connected to the seed storage box, and the bottom ends of the two are connected to the sowing box; two lower connecting pipes are symmetrically arranged, and the top ends of the two are connected to the sowing box, and the bottom ends of the two are corresponding to the two sowing grooves opened by the two furrowing mechanisms;

[0010] The soil pressing mechanism is arranged at the bottom side of the rear end of the walking frame in the walking direction and is located at the rear side below the sowing box. It includes two soil pressing devices, and the horizontal spacing between the two soil pressing devices is adapted to the horizontal spacing between the two furrowing mechanisms, so as to backfill the soil beside the two sowing furrows into the sowing furrows.

[0011] The drip irrigation mechanism includes a water tank, a water storage box and two sets of drip irrigation control mechanisms; the water tank is fixed on the top surface of the movable platform, one side of the water storage box is fixed on the movable platform located at the rear end side of the walking direction of the walking frame, and is connected to the water tank through a pipeline; the two sets of drip irrigation control mechanisms are symmetrically arranged on the other side of the water storage box; each set of drip irrigation control mechanisms includes a second hydraulic push rod, a water pumping cylinder and a reversing valve arranged in sequence from top to bottom; the second hydraulic push rod is arranged in a vertical downward manner; the water pumping cylinder includes a cylinder barrel and a piston built in the cylinder barrel, and the piston is connected to the movable part of the second hydraulic push rod through a screw rod The push rod is connected; the top port of the reversing valve is connected with the bottom end of the cylinder, the side port is connected with the bottom port of the water storage box through the water supply pipe, and the bottom port is connected with the water inlet port of the drip irrigation nozzle through the water outlet pipe and forms a connection; a third hydraulic push rod is arranged laterally on the adjacent side of the water supply pipe, the cylinder of which is hingedly connected to the outer wall of the water storage box, and the rod end of the movable push rod is hingedly connected with a swing arm, and the other end of the swing arm is hingedly connected to the valve stem rod end of the reversing valve, so as to extend or shorten the movable push rod through the third hydraulic push rod, drive the valve stem to swing to the right to connect the water supply pipe and the cylinder, or to swing to the left to connect the cylinder and the water outlet pipe.

[0012] Furthermore, the translation mechanism includes two linear guide slides, which are symmetrically arranged on the top side surface of the lifting mechanism along the walking direction of the walking frame; each linear guide slide is fixed to the bottom surface of the movable platform through its upper slider, and the movable platform slides in the two guide rails along with the two sliders through the servo.

[0013] Furthermore, the lifting mechanism includes a lifting platform, a lifting drive mechanism and a guide mechanism; the lifting platform is horizontally fixed on the top of the lifting drive mechanism to drive the lifting platform to move up and down through the lifting drive mechanism; the guide mechanism includes four optical axes, which are vertically penetrated at the four top corners of the movable platform respectively, and each optical axis is connected to the movable platform through a linear bearing, and its top and bottom ends are respectively fixed on the top and bottom of the frame.

[0014] Furthermore, the walking mechanism includes a first bracket plate, a second bracket plate, a connecting arm, walking wheels and a shock-absorbing motor; the first bracket plate and the second bracket plate have the same structure, and both are plates with connecting parts extending vertically at the four top corners of one side plate surface; the first bracket plate is vertically fixed to the bottom outer wall of the frame, and the second bracket plate is arranged in a manner that the connecting parts of the two are opposite, and four connecting arms are arranged in parallel and spaced apart between the two bracket plates, and the two ends of each connecting arm are hingedly connected to the connecting parts of the two bracket plates, so that the two bracket plates can be displaced and moved in the upper and lower directions of the frame through the four connecting arms; the shock-absorbing motor is fixed to the second bracket plate, and its output shaft is horizontally passed through the outside of the second bracket plate; the walking wheel is fixed to the output shaft end of the shock-absorbing motor.

[0015] Furthermore, a hanging spring shock absorber is arranged between the first bracket plate and the second bracket plate, and two ends of the hanging spring shock absorber are respectively hingedly connected to the plate surfaces of the two bracket plates.

[0016] Furthermore, in the sowing mechanism, the bottom ends of the two lower connecting pipes are each connected with a corrugated pipe, and the length of the corrugated pipe is adapted to the distance from the lower connecting pipe to the ground, so that the bottom ends of the two corrugated pipes can extend into the two sowing grooves.

[0017] Furthermore, the top end of the screw is connected to the movable push rod end of the second hydraulic push rod through a connecting piece; the connecting piece is a cylindrical structure, a top plate with a screw hole in the center is fixed to the top end of the cylinder, and a threaded sleeve is sleeved and fixed to the movable push rod end of the second hydraulic push rod, and the threaded sleeve cooperates with the screw hole on the top plate, so that the movable push rod end is threadedly connected and fixed to the connecting piece through the threaded sleeve; a bottom plate with a screw hole in the center is fixed to the bottom end of the cylinder, so that the top end of the screw is threadedly connected and fixed to the connecting piece.

[0018] Furthermore, a pressurizing motor is installed at the pressurizing end of the drip irrigation nozzle.

[0019] Furthermore, the soil compacting mechanism is arranged on the bottom side of the rear end of the walking frame in the walking direction, and includes a fixed shaft and two soil compactors; the fixed shaft is horizontally fixed on the bottom side of the frame, and the two soil compactors are symmetrically arranged on the fixed shaft, and the horizontal spacing between the two is adapted to the horizontal spacing between the two trenching mechanisms; the soil compactor includes a soil compacting connecting rod, a soil compacting shovel and a limit spring, one end of the soil compacting connecting rod is hingedly connected to the fixed shaft, and the other end is hingedly connected to the top of the soil compacting shovel; the soil compacting shovel is arranged in a manner that its concave shovel surface is inclined downward, and the soil compacting shovel is connected to the fixed shaft by a limit spring, so that the angle formed between the concave shovel surface of the soil compacting shovel and the soil compacting connecting rod is kept at an obtuse angle.

[0020] Compared with the existing technology, the multi-scenario seeder consists of a trenching mechanism, a sowing mechanism, a drip irrigation mechanism and a soil compacting mechanism arranged on a walking frame. Under hydraulic drive and automatic control, each mechanism integrates the trenching, sowing, soil filling, irrigation and other processes realized in the sowing process into an integrated mechanism, and realizes the trenching operation with adjustable depth in turn, ensuring that the seeds fall into the sowing groove accurately and the seeds are evenly distributed, the soil compacting operation of backfilling the sowing groove, covering the seeds, and the necessary drip irrigation operation, so that each step is completed in sequence under the coordinated action of the machinery, and finally realizes the efficient operation process of the sowing operation, greatly improves the production operation efficiency, and has a good market application and promotion prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a side view of the multi-scene seed drill of the present invention;

[0022] Figure 2 A top view of the multi-scenario seed drill of the present invention;

[0023] Figure 3 for Figure 1 The enlarged structural diagram of the soil compacting mechanism in the middle A part;

[0024] Figure 4 It is a side view of the walking frame (without the walking mechanism installed) of the multi-scenario seed drill of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the furrowing mechanism of the multi-scenario seeder of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the sowing mechanism of the multi-scenario seeder of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the drip irrigation control mechanism of the multi-scenario seeding machine of the present invention;

[0028] Figure 8 It is a structural schematic diagram of a multi-scenario seed drill of the present invention having four walking mechanisms arranged on the frame;

[0029] Fig. 9 for Figure 8 The enlarged structural diagram of the walking mechanism of the middle part B;

[0030] Fig.10 It is a structural schematic diagram of the two bracket plates in the walking mechanism of the multi-scenario seed drill of the present invention in the up and down dislocation state through the connecting arm. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments are by no means intended to limit the present invention in any way.

[0032] See also Figure 1 and Figure 2 The multi-scenario seeder includes a water tank 3, a water storage box 5, a ditching mechanism, a drip irrigation mechanism, a sowing mechanism and a soil pressing mechanism which are arranged on a walking frame.

[0033] See also Figure 1 and Figure 2 The walking frame includes a frame 1, which is specifically a cubic frame; a movable platform 2 is horizontally arranged in the frame 1, a lifting mechanism is arranged below the movable platform 2, and the lifting mechanism is connected to the movable platform 2 through a translation mechanism to realize the lifting and lowering movement and horizontal reciprocating movement of the movable platform 2.

[0034] The lifting mechanism is arranged at the bottom of the frame 1, and includes a lifting platform 4, a lifting drive mechanism and a guide mechanism; wherein the lifting platform 4 is horizontally fixed on the top side of the lifting drive mechanism to connect the translation mechanism and the movable platform 2 on the lifting mechanism; the guide mechanism cooperates with the lifting drive mechanism to keep the movable platform 2 moving back and forth in the vertical direction.

[0035] See also Figure 4 In this embodiment, the lifting drive mechanism includes two lifting brackets and a first hydraulic push rod 10; specifically, the two lifting brackets are symmetrically arranged, and each lifting bracket is composed of two connecting rod groups arranged up and down; each connecting rod group is composed of a first connecting rod 8 and a second connecting rod 9 arranged crosswise, and the middle parts of the two are hingedly connected by a first pin; in each lifting bracket, the bottom ends of the two connecting rods in the lower connecting rod group are respectively hingedly connected to the bottom frame of the frame 1 through a second pin and vertically fixed to the strip connecting member, the top ends of the two connecting rods in the lower connecting rod group are respectively hingedly connected to the bottom ends of the two connecting rods in the upper connecting rod group through a third pin, and the top ends of the two connecting rods in the upper connecting rod group are respectively hingedly connected to the bottom surface of the lifting platform 4 through a fourth pin and vertically fixed to the strip connecting member; wherein the second pin, the third pin and the fourth pin are all through-through the two lifting brackets. The first hydraulic push rod 10 is arranged between the two lifting brackets in a way that its movable push rod is inclined upward, and the bottom end of its cylinder is hingedly connected to the middle part of a second pin shaft, and the rod end of its movable push rod is hingedly connected to the middle part of a third pin shaft; in actual application, by controlling the movable push rod of the first hydraulic push rod 10 to perform telescopic movement, so as to drive the connecting rod group on the two lifting brackets to perform opening and closing movement, the height of the two lifting brackets is adjusted, that is, the lifting and lowering of the lifting platform 4 is driven; the guide mechanism includes four optical axes 45, which are respectively vertically penetrated at the four top corners of the movable platform 2, and each optical axis 45 is connected to the movable platform 2 by a linear bearing sleeve, and the top and bottom ends are respectively fixed to the top and bottom of the frame body of the frame 1, so that the movable platform 2 is lifted and lowered in the vertical direction synchronously with the lifting and lowering of the lifting platform 4 under the guiding action of the four optical axes 45.

[0036] The translation mechanism includes two linear guide slides 6, which are symmetrically fixed on both sides of the lifting platform 4 along the walking direction of the walking frame, and fixed to the bottom surface of the movable platform 2 through the sliders 7 thereon; in actual application, the linear guide slides 6 adopt commercially available products, which synchronously drive and control the servo motors on the two linear guide slides 6 so that the two sliders thereon slide synchronously slide in the same direction, thereby driving the movable platform 2 to move horizontally in the walking direction of the walking frame;

[0037] See also Figure 8 A walking mechanism is provided at each of the four top corners of the bottom side of the frame 1 to drive the frame 1 to move in a specified direction; see Fig. 9 , each walking mechanism includes a first bracket plate 40a, a second bracket plate 40b, four connecting arms 41, a walking wheel 43 and a shock-absorbing motor 42; specifically, the first bracket plate 40a and the second bracket plate 40b have the same structure, both of which are plates with connecting parts extending vertically at the four top corners of one side plate surface; the first bracket plate 40a is vertically fixed to the outer wall of the bottom side of the frame 1 through its other side plate surface, so that the side plate surface with the connecting part faces the outside of the frame 1, and the second bracket plate 40b is arranged in a manner that the two connecting parts are opposite; the four connecting arms 41 are arranged in parallel and arranged between the two bracket plates in the circumferential direction, and the two ends of each connecting arm 41 are hingedly connected to the connecting parts of the two bracket plates, so that the two bracket plates can be displaced and moved in the up and down directions of the frame 1 through the four connecting arms 41; since the first bracket plate 40a is fixed on the frame 1, in actual application, the second bracket plate 40b is displaced and moved up and down relative to the first bracket plate 40a, see Fig.10 The damping motor 42 is fixed on the second bracket plate 40b with its output shaft facing outward horizontally, and its output shaft is passed through the through hole provided on the second bracket plate 40b to the outside of the second bracket plate 40b; the walking wheel 43 is sleeved through its central through hole and fixed on the output shaft end of the damping motor 42. In specific applications, the sowing road surface is up and down, and the walking wheel 43 can adjust the wheel body height relative to the frame 1 during walking according to the ups and downs of the road surface height during walking, ensuring smooth walking.

[0038] As a preferred technical solution of this embodiment, a hanging spring shock absorber 44 is further arranged between the first bracket plate 40a and the second bracket plate 40b, and its two ends are respectively hingedly connected to the plate surfaces of the two bracket plates to increase the flexible connection strength of the structure between the two bracket plates and add a buffering and shock-absorbing function.

[0039] See also Figure 1 and Figure 2 There are two trenching mechanisms, which are symmetrically arranged at the front end side of the walking frame in the walking direction; specifically, see Figure 5Each trenching mechanism includes a trenching arm and a trenching shovel 38; the trenching arm is composed of an inner connecting rod 35 and an outer connecting rod 37 arranged in parallel and at intervals, the top ends of which are fixed to the bottom surface of the movable platform 2 extending to the outside of the frame 1 through a second connecting block 34, and the bottom ends of the two are connected and fixed with a first connecting block 36; in actual application, according to the trenching depth requirement, the lifting height of the movable platform 2 is adjusted, that is, the trenching shovel 38 is adaptively adjusted to the trenching depth of the ground soil layer; the trenching shovel 38 is obliquely arranged with the bucket shovel facing forward, and the back of the bucket is fixed to the first connecting block 36 through a horizontally arranged connecting beam and is located in front of the trenching arm; in the process of the walking frame moving forward, the trenching shovel 38 will separate the soil layer to both sides to form a trench-shaped channel for sowing.

[0040] See also Figure 1 and Figure 2 The sowing mechanism is arranged at the front end side of the walking frame in the walking direction, and includes a seed storage box 24, a pipeline 25, a sowing box 26, a servo motor 27 and an auger 28; see Figure 6 ,

[0041] The seed storage box 24 is fixed on the top side of the frame 1, and its inner cavity is used to hold seeds; the sowing box 26 is arranged below the seed storage box 24 at intervals and is also fixed on the frame 1; the sowing box 26 is a horizontally arranged cylindrical barrel structure; the size of the auger 28 is adapted to the size of the inner cavity of the sowing box 26, and is laterally arranged in the center of the sowing box 26, and the two ends of the auger 28 are rotatably arranged on the end walls of the sowing box 26 through rotating bearings, so that the auger 28 can rotate freely in the sowing box 26; the middle part of the auger 28 is a light rod, and a worm gear is set and fixed on the light rod; the servo motor 27 is fixed at On the seeding box 26, its output shaft is inserted into the seeding box 26, and the output shaft end is fixed with a worm that can mesh with the worm gear through a coupling; the pipeline 25 is composed of two upper connecting pipes and two lower connecting pipes; the two upper connecting pipes are vertically arranged and symmetrically arranged between the seed storage box 24 and the seeding box 26, the top ends of the two are connected and communicated with the seed storage box 24, and the bottom ends of the two are connected and communicated with the seeding box 26; the two lower connecting pipes are vertically arranged and symmetrically arranged below the seeding box 26, the top ends of the two are connected and communicated with the seeding box 26, and the bottom ends of the two are each connected with a corrugated pipe 29;

[0042] In actual application, the servo motor 27 drives the worm to drive the turbine to rotate, and the auger 28 then rotates synchronously with the turbine, so that the seeds in the seed storage box 24 are drawn into the sowing box 26 and tumble in the sowing box 26 with the auger; by controlling the rotation speed of the servo motor 27, the seeds in the sowing box 26 enter the two lower connecting pipes at intervals under the rotation of the auger 28, and then fall into the two sowing grooves opened by the two furrowing mechanisms through the two corrugated pipes 29; under the coordinated action of the rotation speed of the auger 28 and the walking speed of the walking frame, the seeds falling into the sowing grooves The spacing distance between the two lower connecting pipes is adjustable; wherein, the horizontal spacing between the two lower connecting pipes is adapted to the spacing between the two furrowing mechanisms, so that the bottom ends of the two corrugated pipes 29 correspond to the sowing furrows opened by the two furrowing mechanisms; the lengths of the two corrugated pipes are adapted to the distances from the two lower connecting pipes to the ground, so that the bottom ends of the two corrugated pipes 29 can be built into the sowing furrows opened by the two furrowing mechanisms; at the same time, the two corrugated pipes 29 have good flexibility, and the two can be bent according to the depth of the sowing furrow, ensuring that the bottom ends of the corrugated pipes 29 are always built into the sowing furrows, and sowing is carried out.

[0043] See also Figure 1 and Figure 2 The soil pressing mechanism is arranged at the bottom side of the rear end of the walking frame in the walking direction and is located at the rear side below the sowing box (26), that is, the rear side of the two corrugated pipes 29, so as to ensure that the soil is pressed after sowing; the soil pressing mechanism is specifically arranged on the outer wall of the bottom end of the frame 1 located below the water storage box 5; the soil pressing mechanism includes a fixed shaft 30 and two soil pressers; specifically, see Figure 4 Two connecting ear plates 34 are symmetrically arranged on the outer wall of the bottom end of the frame 1 below the water storage box 5. The two connecting ear plates 34 are arranged vertically, and a mounting hole is opened at the center of the plate body; the fixed shaft 30 is arranged horizontally, and its two ends are passed through and fixed in the mounting holes of the two connecting ear plates 34; two soil compactors are symmetrically arranged on the fixed shaft 30, and the horizontal spacing between the two is adapted to the horizontal spacing of the two furrowing mechanisms, so that the soil beside the two sowing furrows can be backfilled into the sowing furrows through the two soil compactors; see Figure 3The soil compactor includes a soil compacting link 31, a soil compacting shovel 32 and two limit springs 33; one end of the soil compacting link 31 is sleeved on the fixed shaft 30 through a through hole opened thereon, so that the soil compacting link 31 can rotate freely relative to the fixed shaft 30, and the other end of the soil compacting link 31 is hingedly connected to the top of the soil compacting shovel 32; in order to prevent the soil compacting link 31 from shifting, a limit sleeve is sleeved and fixed on the fixed shaft 30 on both sides of the soil compacting link 31; the soil compacting shovel 32 is a bucket with a concave shovel surface on one side, and is arranged in a manner that the concave shovel surface is inclined downward; on the end walls on both sides of the bucket, two second connecting ear plates are extended along the setting direction of the soil compacting link 31 and formed, and the two ends of the two limit springs 33 are respectively connected to the second connecting ear plate and the fixed shaft 30; the length of the limit spring 33 is adapted to the length of the soil compacting link 31, so that the angle formed between the concave shovel surface of the soil compacting shovel 32 and the soil compacting link 31 is an obtuse angle, preferably 120°.

[0044] See also Figure 1 and Figure 2 The drip irrigation mechanism includes a water tank 3, a water storage box 5 and two sets of drip irrigation control mechanisms; wherein the water tank 3 is fixed on the movable platform 2; the water storage box 5 and the drip irrigation control mechanism are arranged on the rear end side of the walking frame in the walking direction; specifically, see Figure 7 ,

[0045] The water storage box 5 is a hollow box body with an opening at the top and a conical port at the bottom. One side of the water storage box 5 is fixed to the rear end side wall of the movable platform 2, and the other side of the water storage box 5 is fixed to a vertically arranged mounting plate 11. The water inlet end of the water storage box 5 is connected to the water outlet end of the water tank 3 through a water pipe and forms a connection. Since the water storage box 5 is fixed on the movable platform 2, in actual application, by controlling the movable platform 2 to move forward and backward in the walking direction of the walking frame, the horizontal spacing distance between the drip irrigation mechanism and the sowing mechanism is adjusted according to the walking speed of the walking frame, so that during the walking process of the walking frame, after the sowing mechanism sows in the sowing groove, the drip irrigation mechanism immediately performs drip irrigation at the sowing position.

[0046] Two sets of drip irrigation control mechanisms are symmetrically arranged on the left and right sides of the mounting plate 11; see Figure 7 Each set of drip irrigation mechanism includes a second hydraulic push rod 13, a pumping cylinder, a pressurizing motor 19, a drip irrigation nozzle 20, a reversing valve 21 and a third hydraulic push rod 22; wherein,

[0047] The second hydraulic push rod 13 is fixed on the upper side of the mounting plate 11, and is arranged in a manner that the movable push rod is vertically downward; the pumping cylinder is arranged below the second hydraulic push rod 13 and fixed on the lower side of the mounting plate 11, and the pumping cylinder includes a cylinder barrel 12 and a piston 16 built into the cylinder barrel 12, and the piston 16 divides the inner cavity of the cylinder 12 into an upper chamber and a lower chamber; a screw rod 15 is vertically arranged above the piston 16, the bottom end of the screw rod 15 is fixed on the piston 16, and the top end is connected to the movable push rod end of the second hydraulic push rod 13 through a connecting piece 14, so as to utilize the second hydraulic push rod 13 to drive the piston 16 in the cylinder barrel 1 2 moves up and down; in this embodiment, the connecting member 14 is a cylinder structure, a top plate with a screw hole in the center is fixed to the top of the cylinder, a threaded sleeve is set and fixed on the rod end of the movable push rod of the second hydraulic push rod 13, and the threaded sleeve matches the screw hole on the top plate, so that the rod end of the movable push rod is threadedly connected and fixed on the connecting member 14 through the threaded sleeve; a bottom plate with a screw hole in the center is fixed to the bottom end of the cylinder, so that the top end of the screw 15 is threadedly connected and fixed on the connecting member 14; the use of the connecting member 14 to connect the movable push rod and the second hydraulic push rod 13 can increase the stability and connection strength of the connection between the two;

[0048] The reversing valve 21 is arranged below the water pumping cylinder, and its top end port is connected to the bottom end of the cylinder barrel 12 to form a communication, its side end port is connected to the bottom end port of the water storage box 5 through the water supply pipe 18 to form a communication, and its bottom end port is connected to the water inlet port of the drip irrigation nozzle 20 through the water outlet pipe 17 to form a communication; the third hydraulic push rod 22 is arranged on the adjacent side of the water supply pipe 18, which is used to drive the swing arm handle on the reversing valve 21 to move, so as to change the pipeline connection state in the reversing valve 21; wherein, the third hydraulic cylinder 22 is transversely arranged at the bottom end opening of the water storage box 5, and its cylinder barrel is hingedly connected to the bottom end outer wall of the water storage box 5, and its movable push rod rod end is connected to the valve stem of the reversing valve 21 through the swing arm 23; wherein, the swing arm 23 is a short rod, one end of the short rod is hingedly connected to the movable push rod rod end of the third hydraulic cylinder 22, and the other end is hingedly connected to the valve stem rod end of the reversing valve 21; in actual application In the embodiment, the swing arm 23 is synchronously extended outward or retracted inward by driving the movable push rod of the third hydraulic cylinder 22, so as to synchronously pull the valve stem of the reversing valve 21 to swing rightward or leftward, so as to drive the reversing valve 21 to change the communication channel; when the valve stem of the reversing valve 21 swings to the right, the lower chamber of the cylinder 12 is connected with the water supply pipe 18, and the water in the water storage box 5 is sucked into the lower chamber of the cylinder 12 through the upward movement of the piston 16 in the cylinder 12; and when the valve stem of the reversing valve 21 swings to the left, the lower chamber of the cylinder 12 is connected with the water outlet pipe 17, and the water in the lower chamber of the cylinder 12 is transported to the drip irrigation nozzle through the downward movement of the piston 16 in the cylinder 12, so as to perform drip irrigation operation outward; preferably, a pressurizing motor 19 is installed at the pressurizing end of the drip irrigation nozzle 20, so as to pressurize the water in the drip irrigation nozzle 20 with the pressurizing motor 19 to drip irrigation, so as to achieve the purpose of adjusting the drip irrigation water volume.

[0049] The multi-scenario seeder also includes a hydraulic pump station and a control system arranged in the frame 1; wherein,

[0050] The hydraulic pump station is connected to the cylinders of the first hydraulic push rod 10, the second hydraulic push rod 13 and the third hydraulic push rod 22 through hydraulic pipelines, and hydraulically drives the movable push rods on each hydraulic push rod to perform telescopic movement; an electric control valve is respectively provided on each hydraulic pipeline;

[0051] The control system is respectively connected to the electric control valves on each hydraulic pipeline, and the lifting range of the movable platform 2 is adjusted through the first hydraulic push rod 10 to adjust the furrowing depth of the furrowing mechanism, the water absorption amount of the pumping cylinder is controlled through the second hydraulic push rod 13, and the pipeline connection state of the drip irrigation mechanism is adjusted through the third hydraulic push rod 22; the control system is also respectively connected to the servo motor of the translation mechanism and the shock-absorbing motor of each walking mechanism to adjust the setting distance between the drip irrigation mechanism and the sowing mechanism by controlling the horizontal movement displacement of the translation mechanism, and the walking state of the walking frame is adjusted by controlling the rotation direction and rotation speed of the four shock-absorbing motors; the control system is also connected to the servo motor 27 of the sowing mechanism to control the sowing state of the seeds in the sowing box 26; the control system is also connected to the pressurizing motor 19 of the drip irrigation mechanism to control the drip irrigation water volume of the drip irrigation nozzle.

[0052] See also Figure 1 ,The specific working process and working principle of the multi-scenario seeder are as follows:

[0053] S1, furrowing: the multi-scenario seeder is moved to a designated sowing position, and the first hydraulic cylinder 10 is started, and the lifting height of the movable platform 2 is adjusted through the lifting mechanism, so that the furrowing depth of the furrowing shovels 38 of the two furrowing mechanisms is adapted to the sowing depth requirement of the seeds; then, as the traveling frame travels, the two furrowing mechanisms open two sowing furrows on the ground;

[0054] S2, sowing: start the servo motor 27 to drive the auger 28 to rotate; by controlling the rotation speed of the servo motor 27, the speed and interval distance of the seeds falling into the two sowing grooves are controlled; then, as the walking frame moves, the seeds fall in intervals along the opening direction of the sowing grooves;

[0055] S3, soil compaction: Since the soil compaction mechanism is located at the rear side of the sowing mechanism, when the seeds fall into the sowing groove, the subsequent soil compaction mechanism, under the action of the soil compaction shovel 32, backfills the soil excavated by the trenching mechanism to both sides of the sowing groove into the sowing groove and compacts it;

[0056] S4, drip irrigation: after the above-mentioned furrowing, sowing and soil compacting operations, the third hydraulic push rod 22 is controlled to drive the valve stem of the reversing valve 21 to rotate, so that the cylinder 12 is first connected with the water supply pipe 18, and under the action of the second hydraulic push rod 13, the water used for drip irrigation is pumped from the water storage box 5 to the lower chamber of the cylinder 12; then the third hydraulic push rod 22 is controlled to drive the valve stem of the reversing valve 21 to rotate, so that the cylinder 12 is first connected with the water outlet pipe 17, and with the assistance of the booster motor 19, the drip irrigation nozzle is used to spray drip irrigation water to perform irrigation operations.

Claims

1. A multi-scenario seed drill, characterized in that: The invention comprises a furrowing mechanism, a sowing mechanism, a drip irrigation mechanism and a soil compacting mechanism arranged on a walking frame; wherein the walking frame comprises a frame (1), on the inner side of which a movable platform (2) is arranged horizontally; a translation mechanism is arranged at the bottom of the movable platform (2), so that the movable platform (2) can move horizontally in the walking direction of the walking frame through the translation mechanism; a lifting mechanism is arranged at the bottom of the translation mechanism, so that the movable platform (2) can move up and down through the lifting mechanism; a walking mechanism is arranged at each of the four top corners on the bottom side of the frame (1) to drive the frame (1) to travel; two furrowing mechanisms are arranged, and the two furrowing mechanisms are symmetrically arranged at the front end side of the walking frame in the walking direction; the furrowing mechanism comprises a furrowing arm arranged vertically, the top end of which is fixed to a movable arm extending to the outside of the frame (1); A trenching shovel (38) is connected to the bottom end of the platform (2); the trenching shovel (38) is obliquely arranged on the front side of the trenching arm with the shovel face facing forward, and the back of the shovel is fixed to the bottom end of the trenching arm through a horizontal connecting beam; the sowing mechanism is arranged on the rear end side of the walking frame in the walking direction, and includes a seed storage box (24) and a sowing box (26), which are arranged with an interval up and down and fixed on the frame (1); an auger (28) is rotatably arranged inside the sowing box (26), and a servo motor (27) is arranged outside the sowing box (26), and the middle part of the auger (28) is connected to the output shaft of the servo motor (27) through a turbine worm mechanism, so that the auger (28) is driven to rotate by the servo motor (27); two upper connecting pipes are symmetrically arranged, and the top ends of the two are connected to the seed storage box (24), and the two upper connecting pipes are connected to the seed storage box (24). The bottom end of the two lower connecting pipes is connected to the seeding box (26); the two lower connecting pipes are symmetrically arranged, the top ends of the two lower connecting pipes are connected to the seeding box (26), and the bottom ends of the two lower connecting pipes correspond to the two seeding grooves opened by the two furrowing mechanisms; the soil pressing mechanism is arranged at the bottom side of the rear end of the walking frame in the walking direction and is located at the rear side below the seeding box (26), and includes two soil pressing devices, and the horizontal spacing between the two soil pressing devices is adapted to the horizontal spacing between the two furrowing mechanisms, so as to backfill the soil beside the two seeding grooves into the seeding grooves; the drip irrigation mechanism includes a water tank (3), a water storage box (5) and two sets of drip irrigation control mechanisms; the water tank (3) is fixed on the top surface of the movable platform (2), one side of the water storage box (5) is fixed on the movable platform (2) located at the rear end side of the walking frame in the walking direction, and is connected to the water tank through a pipeline. (3) connected; two groups of drip irrigation control mechanisms are symmetrically arranged on the other side of the water storage box (5); each group of drip irrigation control mechanisms comprises a second hydraulic push rod (13), a water pumping cylinder and a reversing valve (21) arranged in sequence from top to bottom; the second hydraulic push rod (13) is arranged in a manner that the movable push rod is vertically downward; the water pumping cylinder comprises a cylinder barrel (12) and a piston (16) built into the cylinder barrel (12), and the piston (16) is connected to the movable push rod of the second hydraulic push rod (13) through a screw rod (15); the top end port of the reversing valve (21) is connected to the bottom end of the cylinder barrel (12), the side end port is connected to the bottom end port of the water storage box (5) through a water supply pipe (18), and the bottom end port is connected to the water inlet port of the drip irrigation nozzle (20) through a water outlet pipe (17) and forms a connection;A third hydraulic push rod (22) is disposed laterally adjacent to the water supply pipe (18), the cylinder of which is hingedly connected to the outer wall of the water storage box (5), the end of the movable push rod is hingedly connected to a swing arm (23), the other end of the swing arm (23) is hingedly connected to the end of the valve stem of the reversing valve (21), so that the movable push rod can be extended or shortened by the third hydraulic push rod (22) to drive the valve stem to swing rightward to connect the water supply pipe (18) and the cylinder (12), or to swing leftward to connect the cylinder (12) and the water outlet pipe (17).

2. The multi-scenario seeder according to claim 1, characterized in that: The translation mechanism comprises two linear guide rail slides (6), which are symmetrically arranged on the top side surface of the lifting mechanism along the walking direction of the walking frame; each linear guide rail slide (6) is fixed to the bottom surface of the movable platform (2) through its upper slider (7), and the movable platform (2) slides along the two sliders (7) in the two guide rails (6) through the servo.

3. The multi-scenario seeder according to claim 1, characterized in that: The lifting mechanism comprises a lifting platform (4), a lifting drive mechanism and a guide mechanism; the lifting platform (4) is horizontally fixed on the top of the lifting drive mechanism so as to drive the lifting platform to move up and down through the lifting drive mechanism; the guide mechanism comprises four optical axes (45), which are respectively vertically arranged at four top corners of the movable platform (2); each optical axis (45) is sleeved with the movable platform (2) through a linear bearing, and the top end and the bottom end are respectively fixed to the top and bottom ends of the frame body of the frame (1).

4. The multi-scenario seeder according to claim 1, characterized in that: The walking mechanism comprises a first bracket plate (40a), a second bracket plate (40b), a connecting arm (41), a walking wheel (43) and a shock-absorbing motor (42); the first bracket plate (40a) and the second bracket plate (40b) have the same structure, and both are plates with connecting parts extending vertically at four top corners of a side plate surface; the first bracket plate (40a) is vertically fixed on the outer wall of the bottom side of the frame (1), and the second bracket plate (40b) is arranged in a manner that the connecting parts of the two are opposite to each other, four connecting arms (41) are arranged in parallel and spaced apart between the two bracket plates, and the two ends of each connecting arm (41) are hingedly connected to the connecting parts of the two bracket plates, so that the two bracket plates can be displaced and moved in the upper and lower directions of the frame (1) through the four connecting arms (41); the shock-absorbing motor (42) is fixed on the second bracket plate (40b), and its output shaft is horizontally penetrated to the outside of the second bracket plate (40b); the walking wheel (43) is fixed to the output shaft end of the shock-absorbing motor (42).

5. The multi-scenario seeder according to claim 4, characterized in that: A hanging spring shock absorber (44) is also arranged between the first bracket plate (40a) and the second bracket plate (40b), and its two ends are respectively hingedly connected to the plate surfaces of the two bracket plates.

6. The multi-scenario seeder according to claim 1, characterized in that: In the sowing mechanism, the bottom ends of the two lower connecting pipes are respectively connected with a corrugated pipe (29), and the length of the corrugated pipe (29) is adapted to the distance between the lower connecting pipe and the ground, so that the bottom ends of the two corrugated pipes (29) can extend into the two sowing grooves.

7. The multi-scenario seeder according to claim 1, characterized in that: The top end of the screw rod (15) is connected to the movable push rod end of the second hydraulic push rod (13) through a connecting piece (14); the connecting piece (14) is a cylinder structure, a top plate with a screw hole in the center is fixed to the top end of the cylinder, and a threaded sleeve is sleeved and fixed to the movable push rod end of the second hydraulic push rod (13), and the threaded sleeve cooperates with the screw hole on the top plate, so that the movable push rod end is threadedly connected and fixed to the connecting piece (14) through the threaded sleeve; a bottom plate with a screw hole in the center is fixed to the bottom end of the cylinder, so that the top end of the screw rod (15) is threadedly connected and fixed to the connecting piece (14).

8. The multi-scenario seeder according to claim 1, characterized in that: A pressurizing motor (19) is also installed at the pressurizing end of the drip irrigation nozzle (20).

9. The multi-scenario seeder according to claim 1, characterized in that: The soil compacting mechanism is arranged at the bottom side of the rear end of the traveling frame in the traveling direction, and comprises a fixed shaft (30) and two soil compactors; the fixed shaft (30) is horizontally fixed at the bottom side of the frame (1), and the two soil compactors are symmetrically arranged on the fixed shaft (30), and the horizontal spacing between the two is adapted to the horizontal spacing between the two trenching mechanisms; the soil compactor comprises a soil compacting connecting rod (31), a soil compacting shovel (32) and a limit spring (33); one end of the soil compacting connecting rod (31) is hingedly connected to the fixed shaft (30), and the other end is hingedly connected to the top of the soil compacting shovel (32); the soil compacting shovel (32) is arranged in a manner that its inner concave shovel surface is inclined downward, and the soil compacting shovel (32) is connected to the fixed shaft (30) via a limit spring (33), so that the angle formed between the inner concave shovel surface of the soil compacting shovel (32) and the soil compacting connecting rod (31) is maintained at an obtuse angle.

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