CN116530291A - Seedling harvester is cut to astragalus seedling - Google Patents

Abstract

The invention discloses a radix astragali seedling cutting harvester, which comprises: the cutting mechanism is arranged at the front end of the vehicle body, the cutting mechanism can cut the astragalus seedlings, the soil loosening mechanism comprises a first rotating motor and a plurality of soil loosening shovels, each soil loosening shovel is provided with a plurality of soil loosening blades which are uniformly arranged at intervals, each digging shovel is arranged in the accommodating cavity, a discharging hole is formed in the position, close to the top, of each digging shovel and penetrates through the front surface and the rear surface, and the soil removing mechanism corresponds to the position of the discharging hole and can separate astragalus roots from soil blocks and separate the astragalus roots from seedlings; the soil loosening step is added after the seedlings are cut and before the astragalus roots are unearthed, the soil around the astragalus roots is loosened by utilizing the soil loosening mechanism, the soil loosening blade is provided with a tip, the soil loosening difficulty is far smaller than that of directly adopting a digging shovel to dig, the soil clearance around the astragalus roots after the soil loosening is increased, the pressure on the astragalus roots is reduced, and the soil loosening difficulty of the astragalus roots and the work load of the digging shovel can be greatly reduced.

Description

Seedling harvester is cut to astragalus seedling

Technical Field

The invention belongs to the technical field of astragalus harvesting equipment, and particularly relates to a astragalus seedling cutting harvester.

Background

Astragalus mongholicus is root of Astragalus mongholicus or Astragalus membranaceus of Leguminosae, and has effects of invigorating spleen, strengthening yang, relieving sinking, invigorating defenses, consolidating exterior, promoting urination, removing toxic substances, and promoting granulation. It is indicated for spleen qi deficiency, lung qi deficiency, spontaneous perspiration due to qi deficiency, qi and blood deficiency, and sores and ulcers, or chronic ulcer. The astragalus seedlings generally form seedlings above soil, astragalus roots (namely astragalus roots in the meaning of traditional Chinese medicines) are formed below the soil, the root length of the astragalus seedlings is about 50-75cm, the length of the astragalus seedlings is related to soil conditions, planting areas and the like, and when the astragalus seedlings grow to a certain degree, seedling lifting and transplanting are needed.

At present, in the aspect of astragalus harvesting, a manual harvesting method is generally adopted, seedlings are removed by a hoe or a sickle, then the astragalus is dug out from soil by deep digging downwards, and mud is removed by hand. For this reason, patent CN104380907B discloses a radix astragali seedling cutting harvester which can realize the effects of automatic seedling cutting, digging, soil removing and the like, but has the following drawbacks:

1. after the seedlings are cut, adopting a recovery bag with a downward opening and a fan in the bag to perform wind power adsorption collection on the seedlings, wherein the seedlings cannot be adsorbed through the fan when the weight of the seedlings is large; when the collection amount of seedlings is large, the seedlings can block the air inlet of the fan to cause adsorption failure; and the fan is easy to be blocked to cause accidents when the seedlings rise to the position of the fan along the recovery bag. In summary, this patent has shortcomings in cutting and handling seedlings.

2. The patent adopts the digging shovel to collect the astragalus root with soil, as the content mentioned above, the astragalus root has longer length, the digging shovel can extend into the soil, but the difficulty is great for the digging shovel to keep the depth all the time and travel along with the tractor, and the load on the digging shovel is extremely high, so that the fracture accident can easily occur.

3. The device that removes soil adopts the shale shaker and the shale shaker slope setting that are connected with eccentric connecting rod, and the amplitude is great when removing soil, on the one hand easily damages the radix astragali, on the other hand also falls the radix astragali outside the shale shaker with the belladoutting easily.

In view of the above, it is a urgent need of the art to provide a radix astragali seedling cutting harvester capable of solving the above technical problems in whole or in part.

Disclosure of Invention

The invention aims to provide a radix astragali seedling cutting harvester, which aims to solve the problems and achieve the purposes of reasonably treating seedlings, separating radix astragali from soil blocks and improving equipment stability.

In order to achieve the above object, the present invention provides the following solutions: a radix astragali seedling cutting harvester, comprising: a body defining a receiving cavity therein; the cutting mechanism is arranged at the front end of the vehicle body and can cut the seedlings of the astragalus; the soil loosening mechanism comprises a first rotating motor and a plurality of soil loosening shovels, the first rotating motor is connected with the side wall and/or the bottom surface of the accommodating cavity, and the plurality of soil loosening shovels are fixedly connected with the output shaft of the first rotating motor and are uniformly arranged along the circumferential direction of the output shaft; the soil loosening shovel is provided with a plurality of soil loosening blades which are uniformly arranged at intervals, each soil loosening blade is provided with a tip, and the distance between two adjacent soil loosening blades is larger than the outer diameter of astragalus roots; a first passage is formed in the position, corresponding to the soil loosening blade, of the vehicle body, penetrating through the bottom surface, and the soil loosening blade extends from the first passage to the position below the vehicle body and can extend 78-83cm below the ground; the digging shovel is arranged in the accommodating cavity, a second channel is formed in the position, corresponding to the digging shovel, of the vehicle body, the second channel penetrates through the bottom surface, and the bottom end of the digging shovel extends from the second channel to the position below the vehicle body and can extend 78-83cm below the ground; the digging shovel penetrates through the front surface and the rear surface near the top of the digging shovel and is provided with a discharge hole; the soil removing mechanism corresponds to the position of the discharge hole and can divide astragalus roots and soil blocks and separate astragalus roots from seedlings, a third channel is formed in the position of the vehicle body, corresponding to the soil removing mechanism, penetrating through the bottom of the vehicle body, and separated soil blocks and seedlings can be discharged from the third channel.

The beneficial effects of the invention are as follows:

1. the soil loosening step is added after the seedlings are cut and before the astragalus roots are unearthed, the soil around the astragalus roots is loosened by utilizing a soil loosening mechanism, and the soil loosening blade is provided with a tip, so that the soil loosening difficulty is far less than that of directly adopting a digging shovel for digging; the peripheral soil gap of the radix astragali is increased after the soil is loosened, the pressure on the radix astragali is reduced, and the difficulty of the soil emergence of the radix astragali and the workload of a digging shovel can be greatly reduced.

2. The soil loosening depth and the digging depth exceed the maximum depth of the astragalus root, so that good soil loosening effect can be ensured, the bottom of the digging shovel is ensured to be positioned below the astragalus root during digging, and the astragalus root cannot be damaged; the depth is not too deep, which can cause excessive soil blocks to be excavated along with the astragalus root, and the workload of the excavating shovel can be increased, so the depth is controlled to be 78-83cm.

3. The soil loosening is followed the accessible digger blade is light collect the seedling that mixes in root of astragalus, soil piece and the soil piece in the digger blade and discharge to the soil removing mechanism from the discharge gate in the lump, and soil removing mechanism can be simultaneously with soil piece and seedling and root of astragalus separation, and soil piece and seedling after the separation are discharged from the third passageway, have realized root of astragalus and have unearthed, integrated operation of removing soil.

Preferably, the spacing between two adjacent soil loosening blades is the spacing between planting ridges of astragalus.

This application need not the cutting edge that loosens the soil and astragalus root laminating when carrying out the soil to the peripheral soil of astragalus root through the cutting edge that loosens the soil, for the rationality that improves work efficiency and structure, can plant the ridge interval with the interval setting of cutting edge that loosens the soil to the astragalus root, can loosen the soil to the both sides soil of each ridge astragalus root simultaneously during operation, improves work efficiency and effect of loosening the soil greatly.

Further, the cutting mechanism includes: the support plate is fixedly connected with the front end of the vehicle body and is horizontally arranged; the first telescopic motor is fixedly arranged on the upper surface of the supporting plate, and a telescopic rod of the first telescopic motor penetrates through the supporting plate and extends to the lower side of the supporting plate; the second rotating motor is fixedly connected with the telescopic rod of the first telescopic motor; the cutting blades are multiple, and the multiple cutting blades are fixedly connected with the output shaft of the second rotating motor and are uniformly arranged along the circumferential direction of the output shaft.

The utility model provides a but through first flexible motor flexible adjustment cutting edge's ground height, make cutting edge can cut the seedling at suitable height, improve equipment's flexibility and application scope.

Further, the telescopic device further comprises a second telescopic motor, the second telescopic motor corresponds to the first rotary motor in position, the second telescopic motor is fixedly connected with the top surface of the accommodating cavity, and the telescopic rod of the second telescopic motor is fixedly connected with the first rotary motor.

According to the method, the working depth of the soil loosening blade can be adjusted through the second telescopic motor, and different working depths can be adjusted for different varieties of astragalus mongholicus; meanwhile, after the soil loosening work is finished, the soil loosening blade can be recovered into the storage box, so that the safety and convenience are improved.

Further, the method further comprises the following steps: the top of the first fixing plate is fixedly connected with the top surface of the accommodating cavity, and the bottom of the first fixing plate is hinged with the top of the excavating shovel; the third flexible motor, third flexible motor one end is articulated with first fixed plate through first articulated seat, the other end through the second articulated seat with the side of shovel articulates, first articulated seat is fixed to be set up on the first fixed plate, the second articulated seat is fixed to be set up on the side of shovel.

In this application, the synergism of first fixed plate, the flexible motor of third, first articulated seat and the flexible motor of second is similar with the flexible motor of second, and its effect lies in adjusting the working depth of shovel and in retrieving the shovel to the containing box after finishing the excavation work. The first fixed plate is adopted because the load of the excavator in working is far greater than the scarification blade, the telescopic rod of the telescopic motor is only adopted to be connected with a certain potential safety hazard, and the first fixed plate has sufficient strength and bearing capacity compared with the telescopic rod of the telescopic motor, so that the safety and stability of the excavator in working can be greatly improved.

Further the soil removing mechanism comprises: the vibrating conveyor belt is horizontally arranged, the feeding end of the vibrating conveyor belt corresponds to the position of the discharging hole, a plurality of strip-shaped through holes are formed in the upper surface and the lower surface of the vibrating conveyor belt in a penetrating mode, the length of each through hole is 42-50cm, the width of each through hole does not exceed the outer diameter of astragalus root, and the through holes are communicated with the third channels and correspond to the positions of the astragalus root.

Because the application adopts the mode of cutting seedlings and then harvesting astragalus roots, the seedlings are inevitably mixed when the astragalus roots are excavated and shoveled. The outer diameter of the astragalus root is far greater than the outer diameter and length of the seedling and is longer than the length of the seedling, and the through hole with the length of 42-50cm is adopted in the method, so that soil blocks and the seedling can fall into a third channel from the through hole and then fall onto the ground in the vibration transmission process, the astragalus root moves along with the vibration transmission belt, and the technical effect of separating the astragalus root from the seedling and the soil blocks is achieved; in addition, this application adopts the vibration type conveyer belt that the level set up, and the amplitude is less, does not have the damage basically to astragalus root.

Preferably, the soil removing mechanism further comprises: the feeding end of the roller conveyor belt is connected with the discharging end of the vibrating conveyor belt, the roller conveyor belt is provided with a plurality of rollers, the outer surfaces of the rollers are provided with soft brushes, gaps which do not exceed the outer diameter of astragalus roots are arranged between two adjacent rollers, and the gaps are communicated with the third channel and correspond to the third channel in position; the discharge end of the roller conveyor belt is communicated with a material receiving box; the high-pressure air gun is fixedly arranged in the mounting holes; connecting rod, connecting rod one end with hold the top surface fixed connection in chamber, the other end with mounting panel fixed connection, the connecting rod with the junction of mounting panel with the mounting hole interval sets up.

The vibrating conveyor belt can remove big piece of soil, but some piece of soil exists that viscidity is big, granule is little, be difficult for screening out (the intractable piece of soil for short below) the condition, therefore this application links up at the tail end of vibrating conveyor belt and has set up the gyro wheel conveyer belt, the brush is equipped with to the gyro wheel outward, the in-process that the root of astragalus spring onion gyro wheel conveyer belt removed, the brush can sweep the intractable piece of soil, the high-pressure air gun at in-process top sprays high pressure, high-speed wind to the root of astragalus, strengthen the cleaning performance to the intractable piece of soil, still can blow the intractable piece of soil that drops to the third passageway in and then discharge from the clearance between the gyro wheel simultaneously, further improve the separation effect of root of astragalus and piece of soil. In the conveying process of the vibrating conveyor belt, all seedlings mixed in astragalus roots can basically fall from the through holes, so that the roller conveyor belt basically only removes stubborn soil blocks; even if some seedlings can reach the roller conveyor belt, the high-pressure air gun can blow into the third passage from the gap between the rollers, and of course, the gap should be wider than the width of the seedlings, and the seedlings can smoothly fall from the gap.

Further, a door body is arranged at the position of the vehicle body corresponding to the material receiving box. When enough radix astragali is collected in the material collecting box, the door body can be opened to take out the radix astragali and shallot from the material collecting box or directly and better collect the material box.

Further, the seedling collecting shovel comprises a collecting shovel body, the collecting shovel body is arranged at the tail end of the vehicle body and is provided with a plurality of clamping teeth, and the collecting shovel body can extend into the ground and clamp seedlings between the clamping teeth.

After cutting mechanism cuts, digs the shovel and excavates and go soil mechanism to go soil work, subaerial remaining soft soil, mix into the seedling in the soil, seedling basic distribution is at soil upper surface this moment, very clear away easily, this application separates seedling and soil through collecting the shovel, makes the seedling card remove along with the automobile body in the lump between the latch, when collecting the seedling in the shovel too much, dials it from collecting the shovel and puts the both sides to automobile body travel route temporarily by operating personnel, unified processing later can. Compared with the prior art, the application provides another efficient and easy seedling treatment and collection device, which has no safety influence on the whole equipment and has higher safety.

Further, the method further comprises the following steps: one end of the second fixing plate is fixedly connected with the tail end of the vehicle body, and the other end of the second fixing plate is hinged with the collecting shovel; the fourth telescopic motor, fourth telescopic motor one end is articulated with the second fixed plate through the third articulated seat, the other end through the fourth articulated seat with collect the side of shovel articulated, the fixed setting of third articulated seat is in on the second fixed plate, the fixed setting of fourth articulated seat is in collect the side of shovel.

The second fixed plate, the fourth telescopic motor, the third hinging seat and the fourth hinging seat are used for adjusting the height of the collecting shovel and adjusting the collecting shovel to a height which does not influence the normal running of the vehicle body after the seedling collecting work is finished.

Drawings

For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the exterior structure of the vehicle body;

FIG. 3 is a schematic view of the vehicle body bottom structure;

FIG. 4 is a schematic view of a cutting mechanism;

FIG. 5 is a schematic view of a scarification mechanism;

FIG. 6 is a schematic diagram of a vibrating conveyor belt;

FIG. 7 is a schematic view of the upper surface structure of a vibrating conveyor belt;

FIG. 8 is a schematic view of a roller conveyor belt;

FIG. 9 is a top view of the mounting plate;

FIG. 10 is a schematic view of a collection shovel;

FIG. 11 is a schematic view of the mating structure of the shovel with the first fixed plate;

FIG. 12 is a schematic view of a split construction of the shovel and the first fixed plate;

the device comprises a 1-car body, a 101-accommodating cavity, a 102-first channel, a 103-second channel, a 104-third channel, a 105-door body, a 106-ladder, a 2-cab, a 3-first rotating motor, a 4-scarifier, a 401-scarifier blade, a 5-digger blade, a 501-discharge outlet, a 6-supporting plate, a 7-first telescopic motor, a 8-second rotating motor, a 9-cutting blade, a 10-second telescopic motor, a 11-first fixed plate, a 12-third telescopic motor, a 13-first hinging seat, a 14-second hinging seat, a 15-vibrating conveyor belt, 1501-through holes, a 16-roller conveyor belt, 17-rollers, 18-soft brushes, a 19-high-pressure air gun, a 20-mounting plate, 2001-mounting holes, 2002-filter screens, 21-connecting rods, 22-collecting blades, 2201-clamping teeth, 23-second fixed plates, 24-fourth telescopic motors, 25-third hinging seats and 26-fourth hinging seats.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

The embodiment provides a radix astragali seedling cutting harvester, comprising: a vehicle body 1, the vehicle body 1 defining a housing chamber 101 therein; the cutting mechanism is arranged at the front end of the vehicle body 1 and can cut the astragalus seedlings; the soil loosening mechanism comprises a first rotating motor 3 and a plurality of soil loosening shovels 4, the first rotating motor 3 is connected with the bottom surface of the accommodating cavity 101, and the plurality of soil loosening shovels 4 are fixedly connected with an output shaft of the first rotating motor 3 and are uniformly arranged along the circumferential direction of the output shaft; the scarifier 4 is provided with a plurality of scarifier blades 401 which are uniformly arranged at intervals, each scarifier blade 401 is provided with a tip, and the interval between every two adjacent scarifier blades 401 is the planting ridge interval of astragalus mongholicus; the position of the vehicle body 1 corresponding to the soil loosening blade 401 penetrates through the bottom surface to form a first channel 102, and the soil loosening blade 401 extends from the first channel 102 to the lower part of the vehicle body 1 and can extend 78-83cm below the ground; the digging shovel 5 is arranged in the accommodating cavity 101, a second channel 103 is formed in the position, corresponding to the digging shovel 5, of the vehicle body 1, the bottom end of the digging shovel 5 extends from the second channel 103 to the position below the vehicle body 1 and can extend 78-83cm below the ground; the digging shovel 5 is provided with a discharge hole 501 near the top and penetrating through the front and rear surfaces; the soil removing mechanism corresponds to the position of the discharge hole 501, the radix astragali root and the soil blocks can be separated, the radix astragali root and the seedlings can be separated, the position of the vehicle body 1, corresponding to the soil removing mechanism, penetrates through the bottom and is provided with the third channel 104, and the separated soil blocks and seedlings can be discharged from the third channel 104.

In this embodiment, the cutting mechanism includes: the support plate 6 is fixedly connected with the front end of the vehicle body 1, and the support plate 6 is horizontally arranged; the first telescopic motor 7 is fixedly arranged on the upper surface of the supporting plate 6, and a telescopic rod of the first telescopic motor 7 penetrates through the supporting plate 6 and extends to the lower side of the supporting plate 6; the second rotating motor 8 is fixedly connected with the telescopic rod of the first telescopic motor 7; the cutting blades 9, the cutting blades 9 have a plurality of, a plurality of cutting blades 9 and the output shaft fixed connection of second rotating electrical machines 8 and evenly set up along its circumference. The first telescopic motor 7 can be arranged in a plurality of parallel along the length direction of the supporting plate 6, and the corresponding second rotary motor 8 and the corresponding cutting blade 9 can be correspondingly provided with a plurality of groups, so that the seedling cutting speed is improved, and the overall working efficiency is improved.

In this embodiment, the telescopic device further comprises a second telescopic motor 10, the second telescopic motor 10 corresponds to the first rotary motor 3 in position, the second telescopic motor 10 is fixedly connected with the top surface of the accommodating cavity 101, and the telescopic rod of the second telescopic motor 10 is fixedly connected with the first rotary motor 3. Because the second telescopic motor 10 is located near the top of the vehicle body 1, and the first rotary motor 3 is located near the bottom of the vehicle body 1, the distance between the two is larger, if the length of the telescopic rod of the second telescopic motor 10 is insufficient, an extension rod can be welded at the lower end of the telescopic rod of the second telescopic motor 10, the upper end of the extension rod is welded with the telescopic rod of the second telescopic motor 10, and the lower end of the extension rod is welded with the first rotary motor 3. The length of the soil loosening blade 401 is sufficient, and the width of the first passage 102 is sufficient, so that the soil loosening blade 401 can operate normally even if the first rotary electric machine 3 is located in the housing chamber 101.

In this embodiment, further comprising: the top of the first fixed plate 11 is fixedly connected with the top surface of the accommodating cavity 101, the bottom of the first fixed plate 11 is hinged with the top of the digging shovel 5, a hinged rod is arranged at the bottom of the first fixed plate 11, and a hinged seat matched with the hinged rod is arranged at the top of the digging shovel 5; the third flexible motor 12, the one end of the third flexible motor 12 is articulated with the first fixed plate 11 through the first articulated seat 13, and the other end is articulated with the side of the shovel 5 through the second articulated seat 14, and the first articulated seat 13 is fixed to be set up on the first fixed plate 11, and the second articulated seat 14 is fixed to be set up on the side of the shovel 5. When the shovel 5 rotates to an included angle of 30 degrees with the horizontal direction, the shovel can extend into the ground by about 80cm, and the rotation range of the shovel 5 is 0-90 degrees with the horizontal direction.

In this embodiment, the soil removing mechanism includes: the vibration conveyer belt 15, vibration conveyer belt 15 level sets up, and its feed end corresponds with discharge gate 501 position, and vibration conveyer belt 15 runs through upper and lower surface and is provided with a plurality of rectangular through-holes 1501, and the length of through-hole 1501 is 42-50cm, and the width does not exceed the external diameter of radix astragali root, and through-hole 1501 and third passageway 104 intercommunication and position correspond, and vibration conveyer belt 15's below is provided with damping spring. The soil removing mechanism further comprises: the feeding end of the roller conveyor belt 16 is connected with the discharging end of the vibrating conveyor belt 15, the roller conveyor belt 16 is provided with a plurality of rollers 17, the outer surfaces of the rollers 17 are provided with soft brushes 18, a gap which does not exceed the outer diameter of astragalus roots is arranged between every two adjacent rollers 17, and the gap is communicated with the third channel 104 and corresponds to the position; the discharge end of the roller conveyor belt 16 is communicated with a material receiving box; a high-pressure air gun 19, a mounting plate 20 is arranged above the roller conveyor belt 16, a plurality of mounting holes 2001 are formed in the mounting plate 20, and the high-pressure air gun 19 is fixedly arranged in the mounting holes 2001; and a connecting rod 21, one end of the connecting rod 21 is fixedly connected with the top surface of the accommodating cavity 101, the other end of the connecting rod 21 is fixedly connected with the mounting plate 20, and the connecting part of the connecting rod 21 and the mounting plate 20 is arranged at intervals with the mounting hole 2001. In this embodiment, the mounting hole 2001 penetrates the upper and lower surfaces of the mounting plate 20, the upper end is an air inlet, the lower end is an air outlet, and the air inlet is provided with a filter screen 2002 to avoid blocking the air inlet due to overlarge dust.

In the present embodiment, the vehicle body 1 is provided with a door body 105 at a position corresponding to the receiving box. When enough radix astragali is collected in the material collecting box, the door 105 can be opened to take out the radix astragali and shallot from the material collecting box or directly better material collecting box. In this embodiment, a cab 2 is provided, the cab 2 is located above the vehicle body 1 near the front end of the vehicle body 1, and a ladder 106 or a foot rest is provided at the front end of the vehicle body 1 to assist an operator in climbing from the ground into the cab 2.

In this embodiment, the seedling collecting device further comprises a collecting shovel 22, the collecting shovel 22 is arranged at the tail end of the vehicle body 1, the collecting shovel 22 is provided with a plurality of clamping teeth 2201, and the collecting shovel 22 can extend into the ground and clamp seedlings between the clamping teeth 2201. Further comprises: one end of the second fixing plate 23 is fixedly connected with the tail end of the vehicle body 1, and the other end of the second fixing plate 23 is hinged with the collecting shovel 22; and one end of the fourth telescopic motor 24 is hinged with the second fixing plate 23 through a third hinging seat 25, the other end of the fourth telescopic motor 24 is hinged with the side edge of the collecting shovel 22 through a fourth hinging seat 26, the third hinging seat 25 is fixedly arranged on the second fixing plate 23, and the fourth hinging seat 26 is fixedly arranged on the side edge of the collecting shovel 22. The latch 2201 has a structure similar to that of the soil loosening blade 401, but a tip is not required, so long as the latch 2201 can clamp seedlings, and the structure is similar to that of a rake.

The specific working process is as follows:

1. preparation work

The vehicle body 1 is opened to the astragalus harvesting area, and the vehicle head faces the length direction of the ridge of the astragalus so that the soil loosening blade 401 is positioned between the ridges. The first telescopic motor 7 is started, the cutting blade 9 is moved down to a proper height, the first telescopic motor 7 is started, the scarification blade 401 is moved down to a proper depth below the ground, the third telescopic motor 12 is started, the digging shovel 5 is moved down to a proper depth below the ground, the fourth telescopic motor 24 is started, and the collecting shovel 22 is moved down to a proper depth below the ground. Before starting each telescopic motor, the area below the vehicle body 1 is pre-turned, so that the soil loosening blade 401, the digging shovel 5 and the collecting shovel 22 smoothly enter the ground, and the soil loosening blade 401 automatically loosens the soil after the vehicle body 1 runs. The vibrating conveyor 15, the roller conveyor 16 and the high-pressure air gun 19 are started.

2. Seedling cutting

Starting the vehicle body 1, and simultaneously starting the first rotating motor 3, the second rotating motor 8, the vibrating conveyor 15 and the roller conveyor 16; when the cutting blade 9 contacts the seedlings, the seedlings are cut, and the cut seedlings are directly poured to the ground.

3. Soil loosening

The vehicle body 1 moves forwards, the soil loosening blades 401 start to loosen the soil between the astragalus ridges (namely, the areas on two sides of the astragalus roots), the soil clearance around the astragalus roots is increased, the pressure of the soil on the astragalus roots is reduced, the astragalus roots are inserted into the soil in a loose state, seedlings can be rolled up by the soil loosening blades 401 in the soil loosening process, and finally, the seedlings can fall from the soil loosening blades 401 and are mixed on the surface of the soil after the soil loosening.

4. Astragalus membranaceus goes out of soil

The vehicle body 1 continues to move forward, the digging shovel 5 receives the radix astragali, the soil blocks and part of seedlings (hereinafter referred to as mixed materials) into the digging shovel 5 together, and as the mixed materials received into the digging shovel 5 gradually increase, the mixed materials move upwards along the digging shovel 5 and finally fall onto the vibrating conveyor belt 15 from the discharge hole 501.

5. Radix astragali one-time soil removal

After the mixed materials fall into the vibrating conveyor belt 15, the mixed materials move while vibrating on the vibrating conveyor belt 15, in the process, large soil blocks are vibrated and discharged from the through holes 1501, seedlings are also vibrated and discharged from the through holes 1501, finally, the large soil blocks and the seedlings return to the ground from the third channel 104, and astragalus roots continue to move along the vibrating conveyor belt 15.

6. Secondary soil removing for astragalus root

Astragalus root falls onto roller conveyer 16 from the discharge end of vibrating conveyer 15 and moves along roller conveyer 16, soft brush 18 outside roller 17 in the moving process sweeps the Astragalus root, sweeps the stubborn soil block off from the Astragalus root, high-pressure air gun 19 above roller conveyer 16 continuously sprays high-pressure high-speed air, blows the stubborn soil block that sweeps off and a small part of residual seedlings into third channel 104 from the gap of roller 17, and returns to the ground (the high-pressure high-speed air blown by air gun 19 should satisfy the requirement that stubborn soil block and seedlings can be blown off but the transmission of Astragalus root along roller conveyer 16 is not affected).

7. Seedling collection

The vehicle body 1 continues to move forward, at this time, only the loosened soil and seedlings are in the soil in front of the collecting shovel 22, the seedlings are basically located on the surface of the soil, the seedlings are clamped between the clamping teeth 2201 and move forward along with the vehicle body 1 in the forward moving process of the collecting shovel 22, the soil passes through the clamping teeth 2201, and at this time, the astragalus harvesting is finished, and only the loosened soil is left. Along with the increase of the seedling collection amount, the collection shovel 22 is filled with more seedlings, at this time, the seedlings in the collection shovel 22 need to be stopped and cleaned, and then are piled on two sides of the travelling direction of the vehicle body 1, and the seedlings are treated uniformly. When harvesting of all astragalus roots is finished, the cutting blade 9 and the collecting shovel 22 are moved upwards to a position which does not affect the movement of the vehicle body 1, and the soil loosening blade 401 and the digging shovel 5 are recovered into the accommodating cavity 101.

The invention provides a radix astragali seedling cutting harvester, which is characterized in that a soil loosening step is added after cutting seedlings and before the radix astragali root is unearthed, soil around the radix astragali root is loosened by utilizing a soil loosening mechanism, a soil loosening blade is provided with a tip, and the soil loosening difficulty is far less than that of directly digging by adopting a digging shovel; the peripheral soil gap of the radix astragali is increased after the soil is loosened, the pressure on the radix astragali is reduced, and the difficulty of the soil emergence of the radix astragali and the workload of a digging shovel can be greatly reduced. The soil loosening depth and the digging depth exceed the maximum depth of the astragalus root, so that good soil loosening effect can be ensured, the bottom of the digging shovel is ensured to be positioned below the astragalus root during digging, and the astragalus root cannot be damaged; the depth is not too deep, which can cause excessive soil blocks to be excavated along with the astragalus root, and the workload of the excavating shovel can be increased, so the depth is controlled to be 78-83cm. The soil loosening is followed the accessible digger blade is light collect the seedling that mixes in root of astragalus, soil piece and the soil piece in the digger blade and discharge to the soil removing mechanism from the discharge gate in the lump, and soil removing mechanism can be simultaneously with soil piece and seedling and root of astragalus separation, and soil piece and seedling after the separation are discharged from the third passageway, have realized root of astragalus and have unearthed, integrated operation of removing soil. The spacing of the soil loosening blades is set to be the spacing of the astragalus planting ridges, and soil loosening can be carried out on the soil on two sides of each ridge of astragalus simultaneously during working, so that the working efficiency and the soil loosening effect are greatly improved. The distance to ground of cutting blade can be adjusted in a flexible way through first flexible motor, the working depth of cutting blade that loosens the soil can be adjusted through the flexible motor of second, can also end the work of loosening the soil again simultaneously in will loosening the soil the cutting blade retrieve the containing box, improve security and convenience. The vibration type conveyor belt with the through holes of 42-50cm is adopted, so that soil blocks and seedlings fall into a third channel from the through holes in the vibration conveying process and then fall onto the ground, and radix astragali moves along with the vibration type conveyor belt, so that the technical effect of separating the radix astragali from the seedlings and the soil blocks is realized; the belt feeding is horizontally arranged, the amplitude is smaller, and the astragalus root is basically not damaged. The tail end of the vibration type conveyor belt is connected with the roller conveyor belt, the soft brush is arranged outside the roller, the roller conveyor belt moves in the process of the radix astragali and shallot, the soft brush can sweep the stubborn soil blocks, the high-pressure air gun at the top of the process sprays high-pressure and high-speed air to the radix astragali, the cleaning effect on the stubborn soil blocks is enhanced, meanwhile, the falling stubborn soil blocks can be blown into the third channel from the gap between the rollers and then discharged, and the separating effect of the radix astragali and the soil blocks is further improved. In the conveying process of the vibrating conveyor belt, all seedlings mixed in astragalus roots can basically fall from the through holes, so that the roller conveyor belt basically only removes stubborn soil blocks; even if some seedlings can reach the roller conveyor belt, the high-pressure air gun can blow into the third passage from the gap between the rollers, and of course, the gap should be wider than the width of the seedlings, and the seedlings can smoothly fall from the gap. The working depth of the excavating shovel is adjusted through the first fixing plate, the third telescopic motor, the first hinging seat and the second hinging seat, and the excavating shovel is recovered into the storage box after the excavating work is finished. The seedling is separated from the soil through the collecting shovel, so that the seedling is clamped between the clamping teeth and moves along with the vehicle body, when the seedlings in the collecting shovel are too much, the seedlings are pulled away from the collecting shovel by an operator and temporarily placed on two sides of a moving route of the vehicle body, and then the seedlings are uniformly processed, so that another efficient and easy seedling processing and collecting device is provided, and the seedling processing and collecting device has no safety influence on the whole equipment and has higher safety.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (10)

1. A radix astragali seedling cutting harvester, characterized by comprising:

a vehicle body (1), wherein a containing cavity (101) is defined in the vehicle body (1);

the cutting mechanism is arranged at the front end of the vehicle body (1) and can cut the seedlings of the astragalus mongholicus;

the soil loosening mechanism comprises a first rotating motor (3) and a plurality of soil loosening shovels (4), wherein the first rotating motor (3) is connected with the side wall and/or the bottom surface of the accommodating cavity (101), and the plurality of soil loosening shovels (4) are fixedly connected with an output shaft of the first rotating motor (3) and are uniformly arranged along the circumferential direction of the output shaft; the scarifier blade (4) is provided with a plurality of scarifying blades (401) which are uniformly arranged at intervals, the scarifying blades (401) are provided with tips, and the interval between two adjacent scarifying blades (401) is larger than the outer diameter of astragalus roots; a first passage (102) is formed in the vehicle body (1) corresponding to the position of the soil loosening blade (401) through the bottom surface, and the soil loosening blade (401) extends from the first passage (102) to the position below the vehicle body (1) and can extend into 78-83cm below the ground;

the digging shovel (5) is arranged in the accommodating cavity (101), a second channel (103) is formed in the position, corresponding to the digging shovel (5), of the vehicle body (1) in a penetrating manner, and the bottom end of the digging shovel (5) extends from the second channel (103) to the position below the vehicle body (1) and can extend into 78-83cm below the ground; the digging shovel (5) is provided with a discharge hole (501) near the top of the digging shovel and penetrates through the front surface and the rear surface;

the soil removing mechanism corresponds to the position of the discharging hole (501), the radix astragali root and the soil blocks can be separated, the radix astragali root and the seedlings can be separated, a third channel (104) is formed in the position of the vehicle body (1), corresponding to the soil removing mechanism, penetrating through the bottom, and the separated soil blocks and seedlings can be discharged from the third channel (104).

2. The radix astragali seedling cutting harvester according to claim 1, wherein the distance between two adjacent soil loosening blades (401) is the planting ridge distance of radix astragali.

3. The astragalus seedling cutting harvester of claim 1, wherein the cutting mechanism comprises:

the support plate (6), the said support plate (6) is fixedly connected with front end of the said car body (1), the said support plate (6) is set up horizontally;

the first telescopic motor (7) is fixedly arranged on the upper surface of the supporting plate (6), and a telescopic rod of the first telescopic motor (7) penetrates through the supporting plate (6) and extends to the lower side of the supporting plate (6);

the second rotating motor (8) is fixedly connected with the telescopic rod of the first telescopic motor (7);

the cutting blades (9) are multiple, and the cutting blades (9) are fixedly connected with the output shaft of the second rotating motor (8) and are uniformly arranged along the circumferential direction of the output shaft.

4. The radix astragali seedling cutting harvester according to claim 1, further comprising a second telescopic motor (10), wherein the second telescopic motor (10) corresponds to the first rotary motor (3), the second telescopic motor (10) is fixedly connected with the top surface of the accommodating cavity (101), and a telescopic rod of the second telescopic motor is fixedly connected with the first rotary motor (3).

5. The astragalus seedling cutting harvester of claim 1, further comprising:

the top of the first fixing plate (11) is fixedly connected with the top surface of the accommodating cavity (101), and the bottom of the first fixing plate is hinged with the top of the digging shovel (5);

the third telescopic motor (12), flexible motor (12) one end of third is articulated with first fixed plate (11) through first articulated seat (13), and the other end is articulated with the side of shovel (5) through second articulated seat (14), first articulated seat (13) are fixed to be set up on first fixed plate (11), second articulated seat (14) are fixed to be set up on the side of shovel (5).

6. The astragalus seedling cutting harvester of claim 1, wherein the soil removing mechanism comprises: the vibrating conveyor belt (15), vibrating conveyor belt (15) level sets up, its feed end with discharge gate (501) position corresponds, vibrating conveyor belt (15) run through upper and lower surface and are provided with a plurality of rectangular through-holes (1501), the length of through-hole (1501) is 42-50cm, and the width does not exceed the external diameter of astragalus root, through-hole (1501) with third passageway (104) intercommunication and position correspond.

7. The astragalus seedling cutting harvester of claim 6, wherein the soil removing mechanism further comprises:

the feeding end of the roller driving belt (16) is connected with the discharging end of the vibrating conveyor belt (15), the roller driving belt (16) is provided with a plurality of rollers (17), the outer surfaces of the rollers (17) are provided with soft brushes (18), gaps which do not exceed the outer diameter of astragalus roots are arranged between two adjacent rollers (17), and the gaps are communicated with the third channel (104) and correspond to the positions; the discharge end of the roller driving belt (16) is communicated with a material receiving box;

a high-pressure air gun (19), wherein a mounting plate (20) is arranged above the roller driving belt (16), a plurality of mounting holes (2001) are formed in the mounting plate (20), and the high-pressure air gun (19) is fixedly arranged in the mounting holes (2001);

connecting rod (21), connecting rod (21) one end with hold top surface fixed connection in chamber (101), the other end with mounting panel (20) fixed connection, connecting rod (21) with the junction of mounting panel (20) with mounting hole (2001) interval sets up.

8. The radix astragali seedling cutting harvester according to claim 7, wherein a door body (105) is arranged at a position of the vehicle body (1) corresponding to the material receiving box.

9. The radix astragali seedling cutting harvester as set forth in claim 1, further comprising a collecting shovel (22), wherein the collecting shovel (22) is disposed at a tail end of the vehicle body (1), the collecting shovel (22) has a plurality of latches (2201), and the collecting shovel (22) can extend into the ground and clamp seedlings between the latches (2201).

10. The astragalus seedling cutting harvester of claim 9, further comprising:

one end of the second fixing plate (23) is fixedly connected with the tail end of the vehicle body (1), and the other end of the second fixing plate is hinged with the collecting shovel (22);

the fourth flexible motor (24), fourth flexible motor (24) one end is articulated with second fixed plate (23) through third articulated seat (25), and the other end is articulated through fourth articulated seat (26) with collect the side of shovel (22), third articulated seat (25) are fixed to be set up on second fixed plate (23), fourth articulated seat (26) are fixed to be set up collect on the side of shovel (22).